2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-13  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_indirection_name): Rework the
	function to emit linker-visible symbols only for indirections
	in the data section.  Clean up the code and update comments.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-09  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (darwin_override_options): Make the check for
	Objective-C ABI version more specific for 64bit code.

	Backport from mainline
	2019-10-06  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (darwin_override_options): Adjust objective-c
	ABI version error messages to avoid punctuation and contracted
	negations.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-07-03  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.h (REAL_LIBGCC_SPEC): Adjust for earlier Darwin.
	(STARTFILE_SPEC): Split crt3 into a separate spec.
	(DARWIN_EXTRA_SPECS): Add crt2 and crt3 spec.
	(DARWIN_CRT2_SPEC): New.
	(DARWIN_CRT3_SPEC): New.
	(MIN_LD64_OMIT_STUBS): Revise to 62.1.
	* config/rs6000/darwin.h (DARWIN_CRT2_SPEC): Revise conditions.
	(DARWIN_CRT3_SPEC): New.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/darwin.h (ENDFILE_SPEC): Correct whitespace in the
	spec.

	Backport from mainline
	2019-06-25  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/darwin.h (ENDFILE_SPEC): New.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (darwin_emit_unwind_label): New default to false.
	(darwin_override_options): Set darwin_emit_unwind_label as needed.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-08-13 Iain Sandoe <iain@sandoe.co.uk>

	* config/darwin.c (machopic_indirect_call_target): Rename symbol stub
	flag.
	(darwin_override_options): Likewise.
	* config/darwin.h: Likewise.
	* config/darwin.opt: Likewise.
	* config/i386/i386.c (output_pic_addr_const): Likewise.
	* config/rs6000/darwin.h: Likewise.
	* config/rs6000/rs6000.c (rs6000_call_darwin_1): Likewise.
	* config/i386/darwin.h (TARGET_MACHO_PICSYM_STUBS): Rename to ...
	... this TARGET_MACHO_SYMBOL_STUBS.
	(FUNCTION_PROFILER):Likewise.
	* config/i386/i386.h: Likewise.

	Backport from mainline
	2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_indirect_call_target): Use renamed
	darwin_picsymbol_stubs to decide on output.
	(darwin_override_options): Handle darwin_picsymbol_stubs.
	* config/darwin.h (MIN_LD64_OMIT_STUBS): New.
	(LD64_VERSION): Revise default.
	* config/darwin.opt: (mpic-symbol-stubs): New option.
	(darwin_picsymbol_stubs): New variable.
	* config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
	rename to TARGET_MACHO_PICSYM_STUBS.
	* config/i386/i386.c (output_pic_addr_const): Likewise.
	* config/i386/i386.h Likewise.
	* config/rs6000/darwin.h: Likewise.
	* config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
	darwin_picsymbol_stubs.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-28  Iain Sandoe  <iain@sandoe.co.uk>

	* config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Remove
	override on extra_headers.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/rs6000.c (darwin_rs6000_override_options): Honour
	user-specified float mode choice for kernel mode code.

2019-11-01  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/darwin.h: Handle GCC target pragma.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-17  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/65342
	* config/rs6000/darwin.md (movdi_low, movsi_low_st): Delete.
	(movdi_low_st): Delete.
	* config/rs6000/rs6000.c
	(darwin_rs6000_legitimate_lo_sum_const_p): New.
	(mem_operand_gpr): Validate Mach-O LO_SUM cases separately.
	* config/rs6000/rs6000.md (movsi_low): Delete.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-12  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/67183
	* config/darwin.c (machopic_indirection): New field to flag
	non-lazy-symbol-pointers in the data section.
	(machopic_indirection_name): Compute if an indirection should
	appear in the data section.
	(machopic_output_data_section_indirection): New callback split
	from machopic_output_indirection.
	(machopic_output_stub_indirection): Likewise.
	(machopic_output_indirection): Retain the code for non-lazy
	symbol pointers in their regular section.
	(machopic_finish): Use the new callbacks to order the indirection
	output.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-12  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin-protos.h (machopic_finish): Delete.
	* config/darwin.c (machopic_finish): Make static.

	Backport from mainline
	2019-10-09  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_indirect_data_reference): Set flag to
	indicate that the new symbol is an indirection.
	(machopic_indirect_call_target): Likewise.
	* config/darwin.h (MACHO_SYMBOL_FLAG_INDIRECTION): New.
	(MACHO_SYMBOL_INDIRECTION_P): New.
	(MACHO_SYMBOL_FLAG_STATIC): Adjust bit number.

	Backport from mainline
	2019-10-08  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_indirect_data_reference): Check for
	required indirections before making direct access to defined
	values.
	(machopic_output_indirection): Place the indirected pointes for
	required indirections into the non-lazy symbol pointers section.
	(darwin_encode_section_info):
	* config/darwin.h (MACHO_SYMBOL_FLAG_MUST_INDIRECT): New.
	(MACHO_SYMBOL_MUST_INDIRECT_P): New.

	Backport from mainline
	2019-10-07  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_output_indirection): Don't put
	hidden symbol indirections into the .data section, use the
	non-lazy symbol pointers section as normal.
	(darwin_encode_section_info): Record if a symbol is hidden.
	* config/darwin.h (MACHO_SYMBOL_FLAG_HIDDEN_VIS): New.
	(MACHO_SYMBOL_HIDDEN_VIS_P): New.

	Backport from mainline
	2019-10-07  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_symbol_defined_p): Use symbol flag
	predicates instead of accessing bits directly.
	(machopic_indirect_call_target): Likewise.
	(machopic_output_indirection): Likewise.
	(darwin_encode_section_info): Improve description.  Use renamed
	symbol flags.  Use predicate macros for variables and functions.
	* config/darwin.h:
	Rename MACHO_SYMBOL_VARIABLE to MACHO_SYMBOL_FLAG_VARIABLE.
	Rename MACHO_SYMBOL_DEFINED to MACHO_SYMBOL_FLAG_DEFINED.
	Rename MACHO_SYMBOL_STATIC to MACHO_SYMBOL_FLAG_STATIC.
	(MACHO_SYMBOL_VARIABLE_P): New.
	(MACHO_SYMBOL_DEFINED_P):New.
	(MACHO_SYMBOL_STATIC_P): New.
	* config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Delete.
	(SYMBOL_FLAG_SUBT_DEP): New.
	* config/rs6000/darwin.h (SYMBOL_FLAG_SUBT_DEP): New.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-05  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/59888
	* config/darwin.c (darwin_rodata_section): Add relocation flag,
	choose const_data section for constants with relocations.
	(machopic_select_section): Pass relocation flag to
	darwin_rodata_section ().

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-09-21  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (machopic_legitimize_pic_address): Check
	for lra, rather than reload.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-10-03  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/87243
	* config/darwin-driver.c (maybe_get_sysroot_from_sdkroot): New.
	(darwin_driver_init): Use the sysroot provided by SDKROOT when that
	is available and the user has not set one on the command line.

2019-10-29  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-07-03  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.h (DRIVER_SELF_SPECS): Remove the linker cases.
	(RDYNAMIC): Rename to, DARWIN_RDYNAMIC.
	(DARWIN_PIE_SPEC, DARWIN_NOPIE_SPEC): Adjust to remove the Xlinker
	clauses.
	(LINK_COMMAND_SPEC_A): Add DARWIN_RDYNAMIC, DARWIN_PIE_SPEC and
	DARWIN_NOPIE_SPEC.

	Backport from mainline
	2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC
	and DARWIN_NOPIE_SPEC.
	(RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC.
	(DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h.
	(DARWIN_NOPIE_SPEC): Collate from darwin10.h.
	(DARWIN_NOCOMPACT_UNWIND): New from darwin10.h
	(DARWIN_EXPORT_DYNAMIC): Delete.
	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind
	and pie options processing to  darwin.h.
	* config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h

2019-10-25  Richard Earnshaw  <rearnsha@arm.com>

	Backport from mainline
	2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
	    Richard Earnshaw  <rearnsha@arm.com>
	PR target/88167
	* config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
	function.
	(thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
	(thumb1_compute_save_core_reg_mask): Don't force a spare work
	register if both the epilogue and prologue can use call-clobbered
	regs.
	(thumb1_unexpanded_epilogue): Use
	thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
	picking temporaries for restoring high regs to match that of the
	prologue where possible.
	(thumb1_expand_prologue): Add any usable call-clobbered low registers to
	the list of work registers.  Detect if the return address is still live
	at the end of the prologue and avoid using it for a work register if so.
	If the return address is not live, add LR to the list of pushable regs
	after the first pass.

2019-10-24  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-10-17  Richard Biener  <rguenther@suse.de>

	PR debug/91887
	* dwarf2out.c (gen_formal_parameter_die): Also try to match
	context_die against a DW_TAG_GNU_formal_parameter_pack parent.

	2019-09-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91812
	* tree-ssa-phiprop.c (propagate_with_phi): Do not replace
	volatile loads.

2019-10-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/92131
	* tree-vrp.c (extract_range_from_plus_minus_expr): If the resulting
	range would be symbolic, drop to varying for any explicit overflow
	in the constant part or if neither range is a singleton.

2019-10-18  Georg-Johann Lay  <avr@gjlay.de>

	Backport from trunk
	2019-10-18  Georg-Johann Lay  <avr@gjlay.de>

	PR target/86040
	* config/avr/avr.c (avr_out_lpm): Do not shortcut-return.

2019-10-17  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/89721
	* lra-constraints (invariant_p): Return false if side_effects_p holds.

2019-10-17  Richard Earnshaw  <rearnsha@arm.com>

	Backport from mainline
	2019-05-03  Richard Earnshaw  <rearnsha@arm.com>

	PR target/89400
	* config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
	Restrict 'all' variant to 32-bit configurations.
	(unaligned_loadhiu): Likewise.
	(unaligned_storehi): Likewise.
	(unaligned_storesi): Likewise.
	(unaligned_loadhis): Disable when compiling for thumb1.

2019-10-16  Peter Bergner  <bergner@linux.ibm.com>

	Backport from mainline
	2019-10-08  Tulio Magno Quites Machado Filho  <tuliom@linux.ibm.com>

	* config.gcc: Move -L usage from LINK_OS_EXTRA_SPEC32 and
	LINK_OS_EXTRA_SPEC64 to MD_STARTFILE_PREFIX and
	MD_STARTFILE_PREFIX_1 when using --with-advance-toolchain.

2019-10-11  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2019-10-10  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/88630
	* config/sh/sh.h (TARGET_FPU_SH4_300): New macro.
	* config/sh/sh.c (sh_option_override): Enable fsca and fsrra insns
	also for TARGET_FPU_SH4_300.
	(sh_emit_mode_set): Check for TARGET_FPU_SH4_300 instead of
	TARGET_SH4_300.
	* config/sh/sh.md (toggle_pr): Add TARGET_FPU_SH4_300 condition.
	(negsf2): Expand to either negsf2_fpscr or negsf2_no_fpscr.
	(*negsf2_i): Split into ...
	(negsf2_fpscr, negsf2_no_fpscr): ... these new patterns.
	(abssf2): Expand to either abssf2_fpsc or abssf2_no_fpsc.
	(**abssf2_i): Split into ...
	(abssf2_fpscr, abssf2_no_fpscr): ... these new patterns.
	(negdf2): Expand to either negdf2_fpscr or negdf2_no_fpscr.
	(*negdf2_i): Split into ...
	(negdf2_fpscr, negdf2_no_fpscr): ... these new patterns.
	(absdf2): Expand to either absdf2_fpscr or absdf2_no_fpsc.
	(**abssf2_i): Split into ...
	(absdf2_fpscr, absdf2_no_fpscr): ... these new patterns.

2019-10-07  Bill Schmidt  <wschmidt@linux.ibm.com>

	Backport from mainline
	2019-10-01  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR target/91275
	* config/rs6000/rs6000.c (rtx_is_swappable_p): Don't swap
	vpmsumd.

2019-10-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline

	2019-10-01  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/88562
	* config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use
	sh_check_add_incdec_notes to preserve REG_INC notes when replacing
	a memory access insn.

2019-09-28  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline.
	2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/82920
	* config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
	Darwin.

2019-09-28  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline.
	2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/82920
	* config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
	(ix86_output_indirect_branch_via_reg): Use output mechanism
	accounting for __USER_LABEL_PREFIX__.
	(ix86_output_indirect_branch_via_push): Likewise.
	(ix86_output_function_return): Likewise.
	(ix86_output_indirect_function_return): Likewise.

2019-09-28  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2019-09-28  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/80672
	* config/sh/sh.c (parse_validate_atomic_model_option): Use
	std::string::compare instead of std::string::find.

2019-09-28  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2018-07-15  Jeff Law  <law@redhat.com>

	PR target/85993
	* config/sh/sh.c (output_mi_thunk): Remove dead conditional
	block.

2019-09-27  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.opt (prebind, noprebind, seglinkedit,
	noseglinkedit): Add RejectNegative.

	Backport from mainline
	2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.opt: Add RejectNegative where needed, reorder
	and add minimal functional descriptions.

2019-09-23  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2019-06-18  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
	pointer adjustment for the case of no callee-saved registers and
	stack frame bigger than 128 bytes.

2019-09-20  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.c (pa_trampoline_init): Remove spurious extended
	characters.

2019-09-20  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>

	PR rtl-optimization/88751
	* ira.c (ira): Use the number of the actually referenced registers
	when calculating the threshold.

2019-09-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/89795
	* rtlanal.c (nonzero_bits1) <SUBREG>: Do not propagate results from
	inner REGs to paradoxical SUBREGs if WORD_REGISTER_OPERATIONS is set.

2019-09-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/87853
	* config/i386/emmintrin.h (_mm_cmpeq_epi8): Use casts to __v16qi
	instead of __v16qs.

	PR target/91704
	* config/i386/avxintrin.h (__v32qs): New typedef.
	* config/i386/avx2intrin.h (_mm256_cmpgt_epi8): Use casts to __v32qs
	instead of __v32qi.

2019-09-08  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-12-23  Iain Sandoe  <iain@sandoe.co.uk>

	* config/i386/darwin.h (TARGET_ASM_OUTPUT_IDENT): New.

2019-08-22  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>

	* config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.

2019-09-05  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-08-18  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Add asserts
	for cpu and machine.  Factor 64/32b builtins.

	Backport from mainline
	2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/darwin.h: (__PPC__, __PPC64__): New.

2019-09-05  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-08-23  Iain Sandoe  <iain@sandoe.co.uk>

	PR pch/61250
	* ggc-page.c (ggc_pch_read): Read the ggc_pch_ondisk structure
	and issue any diagnostics needed before collecting the pre-PCH
	state.

2019-09-05  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-07-24  Iain Sandoe  <iain@sandoe.co.uk>

	PR bootstrap/87030
	* config/i386/darwin.h (REAL_LIBGCC_SPEC): Revert change from r273749.

	PR bootstrap/87030
	* config/i386/darwin.h (REAL_LIBGCC_SPEC): Move from here...
	* config/i386/darwin32-biarch.h .. to here.
	* config/i386/darwin64-biarch.h: Adjust comments.
	* config/rs6000/darwin32-biarch.h: Likewise.
	* config/rs6000/darwin64-biarch.h: Likewise.
	* config.gcc: Missed commit from r273746
	(*-*-darwin*): Don't include CPU t-darwin here.
	(i[34567]86-*-darwin*): Adjust to use biarch files. Produce
	an error message if i686-darwin configuration is attempted for
	Darwin >= 18.

	Backport from mainline
	2019-07-23  Iain Sandoe  <iain@sandoe.co.uk>

	PR bootstrap/87030
	* config.gcc (*-*-darwin*): Don't include CPU t-darwin here.
	(i[34567]86-*-darwin*): Adjust to use biarch files. Produce
	an error message if i686-darwin configuration is attempted for
	Darwin >= 18.
	(x86_64-*-darwin*): Switch to single multilib for Darwin >= 18.
	(powerpc-*-darwin*): Use biarch files where needed.
	(powerpc64-*-darwin*): Likewise.
	* config/i386/darwin.h (REAL_LIBGCC_SPEC): Move to new biarch file.
	(DARWIN_ARCH_SPEC, DARWIN_SUBARCH_SPEC): Revise for default single
	arch case.
	* config/i386/darwin32-biarch.h: New.
	* config/i386/darwin64.h: Rename.
	* gcc/config/i386/darwin64-biarch.h: To this.
	* config/i386/t-darwin: Rename.
	* gcc/config/i386/t-darwin32-biarch: To this.
	* config/i386/t-darwin64: Rename.
	* gcc/config/i386/t-darwin64-biarch: To this.
	* config/rs6000/darwin32-biarch.h: New.
	* config/rs6000/darwin64.h: Rename.
	* config/rs6000/darwin64-biarch.h: To this.
	(DARWIN_ARCH_SPEC, DARWIN_SUBARCH_SPEC): Revise for default single
	arch case.
	* config/rs6000/t-darwin8: Rename.
	* config/rs6000/t-darwin32-biarch: To this.
	* config/rs6000/t-darwin64 Rename.
	* config/rs6000/t-darwin64-biarch: To this.

2019-09-05  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (LTO_minor_version): Bump.

	Backport from mainline
	2019-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90328
	* tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
	* tree-data-ref.c (dr_may_alias_p): Check whether the clique
	is valid in the loop nest before using it.
	(initialize_data_dependence_relation): Adjust.
	* graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
	loop as loop-nest to dr_may_alias_p.

	2019-03-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/89578
	* cfgloop.h (struct loop): Add owned_clique field.
	* cfgloopmanip.c (copy_loop_info): Copy it.
	* tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
	cliques.
	* tree-inline.c (copy_loops): Remap owned_clique.
	* lto-streamer-in.c (input_cfg): Stream owned_clique.
	* lto-streamer-out.c (output_cfg): Likewise.

	2019-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87609
	* tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.

	2019-02-22  Richard Biener  <rguenther@suse.de>

	PR middle-end/87609
	* cfghooks.h (dependence_hash): New typedef.
	(struct copy_bb_data): New type.
	(cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
	(duplicate_block): Likewise.
	* cfghooks.c (duplicate_block): Pass down copy_bb_data.
	(copy_bbs): Create and pass down copy_bb_data.
	* cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
	(rtl_duplicate_bb): Likewise.
	* tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
	remap dependence info.

	2019-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87609
	* tree-core.h (tree_base): Document special clique values.
	* tree-inline.c (remap_dependence_clique): Do not use the
	special clique value of one.
	(maybe_set_dependence_info): Use clique one.
	(clear_dependence_clique): New callback.
	(compute_dependence_clique): Clear clique one from all refs
	before assigning it (again).

2019-08-27  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-07-07  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (darwin_override_options): Make a final check on PIC
	options.

2019-09-04  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-07-07  Iain Sandoe  <iain@sandoe.co.uk>
	* config/darwin.c (darwin_override_options): Don't jam symbol stubs
	on for kernel code.

2019-09-04  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-27  Iain Sandoe  <iain@sandoe.co.uk>

	* config/rs6000/rs6000.c (darwin_rs6000_override_options): Do not
	use longcall for 64b code.

2019-09-04  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors
	in computing the number of options to be moved.

	Backport from mainline
	2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin-driver.c (validate_macosx_version_min): New.
	(darwin_default_min_version): Cleanup and validate supplied version.
	(darwin_driver_init): Likewise and push cleaned version into opts.

2019-09-04  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>

	PR tree-optimization/81740
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
	In case of outer loop vectorization, check for backward dependence
	at the inner loop if outer loop dependence is reversed.

2019-09-04  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-11-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88149
	* tree-vect-slp.c (vect_slp_analyze_node_operations): Detect
	the case where there are two different def types for the
	same operand at different operand position in the same stmt.

2019-09-04  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>

	* tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
	use gimple_expr_type for load and store calls.  Skip over the
	condition argument in a conditional internal function.
	Protect use of TREE_INT_CST_LOW.

	2019-04-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90006
	* tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
	calls like lrint.

	2019-03-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/89698
	* fold-const.c (operand_equal_p): For INDIRECT_REF check
	that the access types are similar.

	2019-01-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88903
	* tree-vect-stmts.c (vectorizable_shift): Verify we see all
	scalar stmts a SLP shift amount is composed of when detecting
	shifts by scalars.

	2018-12-11  Richard Biener  <rguenther@suse.de>

	PR middle-end/88448
	PR middle-end/88415
	* tree-complex.c (update_complex_assignment): Properly transfer
	or clean EH info around gimple_assign_set_rhs_with_ops.

	2018-11-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88030
	* tree-complex.c (need_eh_cleanup): New global.
	(update_complex_assignment): Mark blocks that need EH update.
	(expand_complex_comparison): Likewise.
	(tree_lower_complex): Allocate and deallocate need_eh_cleanup,
	perform EH cleanup and schedule CFG cleanup if that did anything.

	2018-11-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87929
	* tree-complex.c (expand_complex_comparison): Clean EH.

	2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
	to update EH info here.

2019-09-03  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin-c.c (darwin_register_objc_includes): Do not
	prepend the sysroot when building gnu-runtime header search
	paths.

2019-09-03  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c (darwin_file_end): Use switch_to_section ()
	instead of direct output of the asm.

2019-09-03  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-08-22 Iain Sandoe <iain@sandoe.co.uk>

	* config/darwin.h (LINK_COMMAND_SPEC_A): Update lto options
	to match gcc/gcc.c.

2019-09-02  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89710
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
	safe_dyn_cast.

	2019-03-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/89572
	* tree-scalar-evolution.c (get_loop_exit_condition): Use
	safe_dyn_cast.
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
	Use gimple_location_safe.

	2019-02-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89296
	* tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
	of no-warning flag to cases that might emit the bogus warning.

	2019-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89135
	* tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
	with abnormal preds.

2019-09-02  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-07-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91200
	* tree-ssa-phiopt.c (cond_store_replacement): Check we have
	no PHI nodes in middle-bb.

	2019-07-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/91162
	* tree-cfg.c (move_block_to_fn): When releasing a virtual PHI
	node make sure to replace all uses with something valid.

	2019-07-11  Richard Biener  <rguenther@suse.de>

	PR middle-end/91131
	* gimplify.c (gimplify_compound_literal_expr): Force a temporary
	when the object is volatile and we have not cleared it even though
	there are no nonzero elements.

	2019-07-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91126
	* tree-ssa-sccvn.c (n_walk_cb_data::push_partial_def): Adjust
	native encoding offset for BYTES_BIG_ENDIAN.
	(vn_reference_lookup_3): Likewise.

	2019-07-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91126
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Adjust
	native encoding offset for BYTES_BIG_ENDIAN.

	2019-04-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90278
	* tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
	EH on comparison simplification.

	2019-04-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90020
	* tree-ssa-sccvn.c (vn_reference_may_trap): New function.
	* tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
	* tree-ssa-pre.c (compute_avail): Use it to not put
	possibly trapping references after a call that might not
	return into EXP_GEN.
	* gcse.c (compute_hash_table_work): Do not elide
	marking a block containing a call if the call might not
	return.

2019-09-02  Bin Cheng  <bin.linux@linux.alibaba.com>

	Backport from mainline
	2019-07-18  Bin Cheng  <bin.linux@linux.alibaba.com>

	PR tree-optimization/91137
	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field.
	(tree_ssa_iv_optimize_init, alloc_iv, tree_ssa_iv_optimize_finalize):
	Init, use and fini the above new field.
	(determine_base_object_1): New function.
	(determine_base_object): Reimplement using walk_tree.

2019-08-30  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-05-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90637
	* tree-ssa-sink.c (statement_sink_location): Honor the
	computed sink location for single-uses.

	* gcc.dg/gomp/pr90637.c: New testcase.

	2019-06-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90930
	* tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
	flag on new stmts to avoid re-processing them.

	2019-04-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/90194
	* match.pd: Add pattern to simplify view-conversion of an
	empty constructor.

	2019-04-24  Richard Biener  <rguenther@suse.de>

	PR middle-end/90213
	* gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
	by size and BITS_PER_UNIT on poly-wide-ints.

	2019-04-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90071
	* tree-ssa-reassoc.c (init_range_entry): Do not pick up
	abnormal operands from def stmts.

	2019-03-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/89677
	* tree-scalar-evolution.c (simplify_peeled_chrec): Do not
	throw FP expressions at tree-affine.

2019-08-30  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2019-08-22  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/91481
	* config/rs6000/rs6000.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32,
	and UNSPEC_DARN_RAW.
	(unspecv): New enumerator values UNSPECV_DARN, UNSPECV_DARN_32, and
	UNSPECV_DARN_RAW.
	(darn_32): Use an unspec_volatile, and UNSPECV_DARN_32.
	(darn_raw): Use an unspec_volatile, and UNSPECV_DARN_RAW.
	(darn): Use an unspec_volatile, and UNSPECV_DARN.

2019-08-30  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2019-08-22  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/altivec.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32,
	UNSPEC_DARN_RAW, UNSPEC_CMPRB, UNSPEC_CMPRB2, UNSPEC_CMPEQB; move to...
	* config/rs6000/rs6000.md (unspec): ... here.
	* config/rs6000/altivec.md (darn_32, darn_raw, darn, cmprb,
	*cmprb_internal, setb_signed, setb_unsigned, cmprb2, *cmprb2_internal,
	cmpeqb, *cmpeqb_internal): Delete, move to...
	* config/rs6000/rs6000.md (darn_32, darn_raw, darn, cmprb,
	*cmprb_internal, setb_signed, setb_unsigned, cmprb2, *cmprb2_internal,
	cmpeqb, *cmpeqb_internal): ... here.

2019-08-30  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2019-07-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/91150
	* config/i386/i386.c (expand_vec_perm_blend): Change mask type
	from unsigned to unsigned HOST_WIDE_INT.  For E_V64QImode cast
	comparison to unsigned HOST_WIDE_INT before shifting it left.

	2019-07-04  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/78884
	* gimplify.c (struct gimplify_omp_ctx): Add add_safelen1 member.
	(gimplify_bind_expr): If seeing TREE_ADDRESSABLE VLA inside of simd
	loop body, set ctx->add_safelen1 instead of making it GOVD_PRIVATE.
	(gimplify_adjust_omp_clauses): Add safelen (1) clause if
	ctx->add_safelen1 is set.

	PR rtl-optimization/90756
	* explow.c (promote_ssa_mode): Always use TYPE_MODE, don't bypass it
	for VECTOR_TYPE_P.

	2019-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/90760
	* symtab.c (symtab_node::set_section): Allow being called on aliases
	as long as they aren't analyzed yet.

	2019-04-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/90139
	* tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
	assign_temp instead of gen_reg_rtx.

	2019-06-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/90811
	* config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
	instead of and.u%d.

	2019-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/90329
	* lto-streamer.h (LTO_minor_version): Bump to 1.

	2019-05-16  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/90329
	* tree-core.h (struct tree_decl_common): Document
	decl_nonshareable_flag for PARM_DECLs.
	* tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
	* calls.c (expand_call): Don't try tail call if caller
	has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
	passed on the stack and callee needs to pass any arguments on the
	stack.
	* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
	else if instead of series of mutually exclusive ifs.  Handle
	DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
	* tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.

	2019-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/90187
	* config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
	a register if both if_true and if_false are MEMs.

	PR tree-optimization/90208
	* tree-cfg.c (remove_bb): Move forced labels from removed bbs
	after labels of new_bb, not before them.

	2019-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/90082
	* dce.c (can_delete_call): New function.
	(deletable_insn_p, mark_insn): Use it.

	PR tree-optimization/90090
	* tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
	throw internally.

	2019-04-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89998
	* gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
	instead of integer_type_node if possible, don't add ranges if return
	type is not compatible with int.
	* gimple-fold.c (gimple_fold_builtin_sprintf,
	gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
	integer_type_node.

	2019-03-29  Jakub Jelinek  <jakub@redhat.com>

	PR c/89872
	* gimplify.c (gimplify_compound_literal_expr): Don't optimize a
	non-addressable complit into its initializer if it is volatile.

	2019-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89621
	* tree-inline.h (struct copy_body_data): Add
	dont_remap_vla_if_no_change flag.
	* tree-inline.c (remap_type_3, remap_type_2): New functions.
	(remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
	and remap_type_2 returns false.
	* omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.

	2019-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/89752
	* lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
	update this_alternative nor this_alternative_set.

	2019-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89768
	* loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
	instead of GEN_INT.
	(unroll_loop_runtime_iterations): Likewise.

	PR target/89752
	* gimplify.c (gimplify_asm_expr): For output argument with
	TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
	diagnose error.

	PR target/89726
	* config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
	compensation use x2 += 1 instead of x2 -= -1 and when honoring
	signed zeros, do another copysign after the compensation.

	2019-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR debug/89704
	* dwarf2out.c (add_const_value_attribute): Return false for MINUS,
	SIGN_EXTEND and ZERO_EXTEND.

	2019-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89679
	* expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
	would contain a paradoxical SUBREG.

	PR tree-optimization/89703
	* tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
	aren't compatible also with builtin_decl_explicit.  Check pure
	or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
	and BUILT_IN_STPNCPY{,_CHK}.

	2019-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/88588
	* omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
	(ipa_simd_modify_function_body): Handle PHIs.

	2019-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89663
	* builtins.c (expand_builtin_int_roundingfn,
	expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
	gcc_unreachable if validate_arglist fails.

	2019-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/88568
	* tree.c (handle_dll_attribute): Don't clear TREE_STATIC for
	dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.

	2019-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/89587
	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
	if_multiarch.

	PR middle-end/89590
	* builtins.c (maybe_emit_free_warning): Punt if free doesn't have
	exactly one argument.

	2019-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR c/89520
	* convert.c (convert_to_real_1, convert_to_integer_1): Punt for
	builtins if they don't have a single scalar floating point argument.
	Formatting fixes.

	2019-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89412
	* expr.c (expand_assignment): If result is a MEM, use change_address
	instead of simplify_gen_subreg.

	2019-02-20  Jakub Jelinek  <jakub@redhat.com>
		    David Malcolm  <dmalcolm@redhat.com>

	PR middle-end/89091
	* fold-const.c (decode_field_reference): Return NULL_TREE if
	lang_hooks.types.type_for_size returns NULL.  Check it before
	overwriting *exp_.  Use return NULL_TREE instead of return 0.

	2019-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/88074
	PR middle-end/89415
	* toplev.c (do_compile): Double the emin/emax exponents to workaround
	buggy mpc_norm.

	2019-02-19  Richard Biener  <rguenther@suse.de>

	PR middle-end/88074
	* toplev.c (do_compile): Initialize mpfr's exponent range
	based on available float modes.

	2019-02-18  Jakub Jelinek  <jakub@redhat.com>
 
	PR target/89361
	* config/s390/s390.c (s390_indirect_branch_attrvalue,
	s390_indirect_branch_settings): Define unconditionally.
	(s390_set_current_function): Likewise, but guard the whole body except
	the s390_indirect_branch_settings call with
	#if S390_USE_TARGET_ATTRIBUTE.
	(TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.

	2019-02-15  Richard Biener  <rguenther@suse.de>
		    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89278
	* tree-loop-distribution.c: Include tree-eh.h.
	(generate_memset_builtin, generate_memcpy_builtin): Call
	rewrite_to_non_trapping_overflow on builtin->size before passing it
	to force_gimple_operand_gsi.

	2019-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR other/89342
	* optc-save-gen.awk: Handle optimize_fast like optimize_size or
	optimize_debug.
	* opth-gen.awk: Likewise.

	2019-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89354
	* combine.c (make_extraction): Punt if extraction_mode is narrower
	than len bits.

	PR tree-optimization/89314
	* fold-const.c (fold_binary_loc): Cast strlen argument to
	const char * before dereferencing it.  Formatting fixes.

	2019-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89303
	* tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
	into pt->vars_contains_escaped_heap instead of setting
	pt->vars_contains_escaped_heap to it.

	PR middle-end/89281
	* optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
	INTVAL (size), compare it to GET_MODE_MASK instead of
	1 << GET_MODE_BITSIZE.

	2019-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89246
	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
	If !node->definition and TYPE_ARG_TYPES is non-NULL, use
	TYPE_ARG_TYPES instead of DECL_ARGUMENTS.

	2019-01-16  David Malcolm  <dmalcolm@redhat.com>

	PR target/88861
	* combine.c (delete_noop_moves): Convert to "bool" return,
	returning true if any edges are eliminated.
	(combine_instructions): Also return true if delete_noop_moves
	returns true.

	2019-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89234
	* except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
	is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
	(copy_reg_eh_region_note_backward): Likewise.

	2019-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/89188
	* dce.c (delete_unmarked_insns): Don't remove no-op moves if they
	can throw, non-call exceptions are enabled and we can't delete
	dead exceptions or alter cfg.  Set must_clean if
	delete_insn_and_edges returns true, don't set it blindly for calls.

	PR rtl-optimization/89195
	* combine.c (make_extraction): For MEMs, don't extract bytes outside
	of the original MEM.

	PR target/89186
	* optabs.c (prepare_cmp_insn): Pass x and y to
	emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).

	2019-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/87887
	* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
	Punt with warning on aggregate return or argument types.  Ignore
	type/mode checking for uniform arguments.

	2019-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/88107
	* tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
	instead of assertion that eh_region_outermost is non-NULL, if it
	is NULL, set *ALL to true and return NULL.
	(move_sese_region_to_fn): Adjust caller, if all is set, call
	duplicate_eh_regions with NULL region.

	2019-01-29  Jakub Jelinek  <jakub@redhat.com>

	PR c++/66676
	PR ipa/89104
	* omp-simd-clone.c (simd_clone_clauses_extract)
	<case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
	OMP_CLAUSE_ALIGNED_ALIGNMENT.

	2019-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89002
	* gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
	for lastprivate/linear IV, push gimplify context around gimplify_assign
	and, if it needed any temporaries, pop it into a gimple bind around the
	sequence.

	2019-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/87214
	* config/i386/sse.md
	(<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
	avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
	first constants in pairs are multiples of 2.  Formatting fixes.
	(avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
	avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
	first constants in each quadruple are multiples of 4.  Formatting fixes.

	2019-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/49429
	PR target/49454
	PR rtl-optimization/86334
	PR target/88906
	* expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
	addressable from here...
	(emit_block_op_via_libcall): ... to here.

	2019-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/88870
	* dce.c (deletable_insn_p): Never delete const/pure calls that can
	throw if we can't alter the cfg or delete dead exceptions.
	(mark_insn): Don't call find_call_stack_args for such calls.

	2019-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/88568
	* tree.c (handle_dll_attribute): Clear TREE_STATIC after setting
	DECL_EXTERNAL.

	2019-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/82564
	PR target/88620
	* expr.c (expand_assignment): For calls returning VLA structures
	if to_rtx is not a MEM, force it into a stack temporary.

	2019-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/88594
	* config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
	of GET_MODE (opN) as modes of the libcall arguments.

	2019-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/88644
	* dwarf2out.c (modified_type_die): If type is equal to sizetype,
	change it to qualified_type.

	2018-12-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/85594
	PR middle-end/88553
	* omp-expand.c (extract_omp_for_update_vars): Regimplify the condition
	if needed.
	(expand_omp_for_generic): Don't clobber t temporary for ordered loops.

	PR rtl-optimization/88563
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Swap innermode
	and mode arguments to convert_modes.  Likewise swap mode and word_mode
	arguments.  Handle both arguments with VOIDmode before convert_modes
	of one of them.  Formatting fixes.

	2018-12-13  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/88470
	* cfgcleanup.c (outgoing_edges_match): If the function is
	shrink-wrapped and bb1 ends with a JUMP_INSN with a single fake
	edge to EXIT, return false.

	PR rtl-optimization/88416
	* valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify
	even if !AUTO_INC_DEC.

	2018-12-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/85593
	* final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage
	for functions with naked attribute.

	2018-11-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/87895
	* omp-simd-clone.c (ipa_simd_modify_function_body): When removing
	or replacing GIMPLE_RETURN, set EDGE_FALLTHRU on the edge to EXIT.
	(simd_clone_adjust): Don't set EDGE_FALLTHRU here. In a loop that
	redirects edges to EXIT to edges to incr_bb, iterate while EXIT
	has any preds and always use EDGE_PRED (, 0).

	2018-10-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/87647
	* varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR.

	2018-10-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/85488
	PR middle-end/87649
	* omp-low.c (check_omp_nesting_restrictions): Diagnose ordered without
	depend closely nested inside of loop with ordered clause with
	a parameter.

2019-08-25  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/91533
	Backport from mainline
	2019-06-30  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (ssse3_abs<mode>2): Rename from abs<mode>2.
	* config/i386/i386-builtin.def (__builtin_ia32_pabsb):
	Use CODE_FOR_ssse3_absv8qi2.
	(__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2.
	(__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2.

2019-08-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91510
	Backport from mainline
	2017-09-26  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (compare_access_positions): Put integral types first,
	stabilize sorting of integral types, remove conditions putting
	non-full-precision integers last.
	(sort_and_splice_var_accesses): Disable scalarization if a
	non-integert would be represented by a non-full-precision integer.

2019-08-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/91347
	* dse.c (scan_insn): Call add_wild_read for non-const/memset tail calls
	before reload if HARD_FRAME_POINTER_IS_ARG_POINTER.

2019-07-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2019-07-22  Martin Liska  <mliska@suse.cz>

	PR driver/91172
	* opts-common.c (decode_cmdline_option): Decode
	argument of -Werror and check it for a wrong language.
	* opts-global.c (complain_wrong_lang): Remove such case.

2019-07-16  Wilco Dijkstra  <wdijkstr@arm.com>

	Backport from mainline
	2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>

	PR target/89222
	* config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
	to decide when to split off a non-zero offset from a symbol.
	* config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
	in function symbols.

2019-07-15  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/vector.md: Fix shift count operand printing.

2019-07-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/91136
	* df-core.c (ACCESSING REFS): Fix typos in comment.
	* resource.c (mark_target_live_reg): Add artificial defs that occur at
	the beginning of the block to the initial set of live registers.

2019-06-28  Jeff Law  <law@redhat.com>

	Backport from mainline
	2019-06-21  Jeff Law  <law@redhat.com>

	PR tree-optimization/90949
	* tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info.
	* tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state.

2019-06-27  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2019-06-25  Martin Jambor  <mjambor@suse.cz>

	PR ipa/90939
	* ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert.

2019-06-16  John David Anglin  <danglin@gcc.gnu.org>

	PR middle-end/64242
	* config/pa/pa.md (nonlocal_goto): Restore frame pointer last.  Add
	frame clobbers and schedule block.
	(builtin_longjmp): Likewise.

2019-05-24  John David Anglin  <danglin@gcc.gnu.org>

	PR target/90530
	* config/pa/pa.c (pa_cannot_change_mode_class): Accept mode changes
	from DImode to SImode in floating-point registers on 64-bit target.
	* config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
	register_operand in xmpyu patterns.

2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>

	Backported from mainline
	2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (__cpuid): For 32bit targets, zero
	%ebx and %ecx bafore calling cpuid with leaf 1 or
	non-constant leaf argument.

	2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/90547
	* config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
	Avoid calling gen_lowpart with CONST operand.

2019-05-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from mainline.
	2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/89765
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
	to compute vector element selector for both constant and variable
	operands.

2019-01-03  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/86215
	Backport from mainline
	2017-09-25  Iain Sandoe  <iain@codesourcery.com>

	PR target/80556
	* config/i386/darwin.h (REAL_LIB_SPEC): New; put libSystem ahead
	of libgcc_eh for m64.
	* config/i386/darwin64.h: Likewise.

2019-05-15  David Edelsohn  <dje.gcc@gmail.com>

	Backport from mainline
	2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
	* xcoffout.h (xcoff_private_rodata_section_name): Declare.
	* xcoffout.c (xcoff_private_rodata_section_name): Define.
	* config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
	read_only_private_data_section using coff_private_rodata_section_name.
	(rs6000_xcoff_file_start): Generate coff_private_rodata_section_name.

	2018-12-04  David Edelsohn  <dje.gcc@gmail.com>
	2018-12-13  David Edelsohn  <dje.gcc@gmail.com>
	PR target/61976
	* config/rs6000/rs6000.c (rs6000_function_arg): Don't pass aggregates
	in FPRs on AIX. Ensure type is non-NULL.
	(rs6000_arg_partial_bytes): Same.

2019-05-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/t-rtems: Replace -march=armv7-m multilibs with
	-mcpu=cortex-m3 and -mcpu=cortex-m4 multilibs.

2019-05-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from mainline.
	2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/89424
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
	handling of V1TImode.

2019-05-07  Richard Sandiford  <richard.sandiford@arm.com>

	Backport from mainline:
	2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>

	PR middle-end/89037
	* varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
	instead of accessing TREE_INT_CST_ELT directly.

2019-05-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Backport from mainline.
	2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	PR target/86538
	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
	Define __ARM_FEATURE_ATOMICS

2019-04-30  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	PR target/90075
	* config/aarch64/iterators.md (V_INT_EQUIV): Add mode for
	integer equivalent of floating point values.

	Backport from mainline
	2018-12-11  Richard Earnshaw  <Richard.Earnshaw@arm.com>
	PR target/37369
	* config/aarch64/iterators.md (sizem1): Add sizes for
	SFmode and DFmode.
	(Vbtype): Add SFmode mapping.
	* config/aarch64/aarch64.md (copysigndf3, copysignsf3): Delete.
	(copysign<GPF:mode>3): New expand pattern.
	(copysign<GPF:mode>3_insn): New insn pattern.

2019-04-22  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from mainline
	2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/87532
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	When handling vec_extract, use modular arithmetic to allow
	constant selectors greater than vector length.
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
	V1TImode vectors to have constant selector values greater than 0.
	Use modular arithmetic to compute vector index.
	(rs6000_split_vec_extract_var): Use modular arithmetic to compute
	index for in-memory vectors.  Correct code generation for
	in-register vectors.  Use inner mode of vector rather than mode of
	destination for move instruction.
	(altivec_expand_vec_ext_builtin): Use modular arithmetic to
	compute index.

	2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/87532
	* config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
	Use QI inner mode with V16QI vector mode.

2019-04-19  Xiong Hu Luo  <luoxhu@linux.ibm.com>

	Backport from trunk
	2018-05-23  Segher Boessenkool  <segher@kernel.crashing.org>

	* doc/sourcebuild.texi (Endianness): New subsubsection.

2019-04-11  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2019-03-08  Martin Liska  <mliska@suse.cz>

	PR target/86952
	* config/i386/i386.c (ix86_option_override_internal): Disable
	jump tables when retpolines are used.

2019-04-10  Matthew Malcomson  <matthew.malcomson@arm.com>

	PR target/90024
	* config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
	* config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
	into three.
	* config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
	differences directly.
	(*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.

2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/89945
	* config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
	Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.

2019-04-06  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>

	* rtlanal.c (get_initial_register_offset): Fall back to the estimate
	as long as the epilogue isn't completed.

2019-04-03  Richard Biener  <rguenther@suse.de>

	PR lto/89896
	* lto-wrapper.c (run_gcc): Avoid implicit rules making
	the all target phony.

2019-04-02  Xiong Hu Luo <luoxhu@linux.ibm.com>

	Backport from trunk r250477.

	2017-07-24  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c.c: Add support for built-in functions
	vector float vec_extract_fp32_from_shorth (vector unsigned short);
	vector float vec_extract_fp32_from_shortl (vector unsigned short);
	* config/rs6000/altivec.h (vec_extract_fp_from_shorth,
	vec_extract_fp_from_shortl): Add defines for the two builtins.
	* config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
	VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
	new builtins.
	* config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
	(vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
	* doc/extend.texi: Update the built-in documentation file for the
	new built-in function.

	Backport from trunk r255555.

	2017-12-11  Carl Love  <cel@us.ibm.com>

	* config/rs6000/altivec.h (vec_extract_fp32_from_shorth,
	vec_extract_fp32_from_shortl]): Add #defines.
	* config/rs6000/rs6000-builtin.def (VSLDOI_2DI): Add macro expansion.
	* config/rs6000/rs6000-c.c (ALTIVEC_BUILTIN_VEC_UNPACKH,
	ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VEC_AND,
	ALTIVEC_BUILTIN_VEC_SLD, ALTIVEC_BUILTIN_VEC_SRL,
	ALTIVEC_BUILTIN_VEC_SRO, ALTIVEC_BUILTIN_VEC_SLD,
	ALTIVEC_BUILTIN_VEC_SLL): Add expansions.
	* doc/extend.texi: Add documentation for the added builtins.

2019-03-28  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-11-05  Martin Liska  <mliska@suse.cz>

	PR web/87829
	* doc/invoke.texi: Remove options that are
	not disabled with -Os.

2019-02-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-02-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89253
	* tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
	duplicate the loop.

	2019-02-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/89223
	* tree-data-ref.c (initialize_matrix_A): Fail if constant
	doesn't fit in HWI.
	(analyze_subscript_affine_affine): Handle failure from
	initialize_matrix_A.

	2019-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/88739
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
	BIT_FIELD_REFs of non-mode-precision integral operands.

2019-03-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-01-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/86554
	* tree-ssa-sccvn.c (visit_nary_op): When value-numbering to
	expressions with different overflow behavior make sure there's an
	available expression on the path.

	2018-11-20  Richard Biener  <rguenther@suse.de>
 
	PR tree-optimization/88105
	* tree-ssa-dom.c (pass_dominator::execute): Do not walk
	backedges.

	2018-03-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/84552
	* tree-scalar-evolution.c: Include tree-into-ssa.h.
	(follow_copies_to_constant): Do not follow SSA names registered
	for update.

2019-03-21  Bill Schmidt  <wschmidt@linux.ibm.com>

	* config/rs6000/rs6000.c (rs6000_analyze_swaps): Rebuild
	ud- and du-chains between phases.

2019-03-21  Matthias Klose  <doko@ubuntu.com>

	Backport from mainline
	2019-02-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89505
	* tree-ssa-structalias.c (compute_dependence_clique): Make sure
	to handle restrict pointed-to vars with multiple subvars
	correctly.

2019-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/89523
	* config/i386/i386.c (ix86_print_operand): Handle 'M' to add
	addr32 prefix to VSIB address for X32.
	* config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
	"%M2" to opcode.
	(*avx512pf_gatherpf<mode>df_mask): Likewise.
	(*avx512pf_scatterpf<mode>sf_mask): Likewise.
	(*avx512pf_scatterpf<mode>df_mask): Likewise.
	(*avx2_gathersi<mode>): Prepend "%M3" to opcode.
	(*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
	(*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
	(*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
	(*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
	(*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
	(*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
	(*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
	(*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
	(*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
	(*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
	(*avx512f_scatterdi<mode>): Likewise.

2019-03-14  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2019-03-07  Martin Jambor  <mjambor@suse.cz>

	PR lto/87525
	* ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
	for extern inline functions.

2019-03-14  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-02-16  Jakub Jelinek  <jakub@redhat.com>
 
	PR target/84272
	* config/aarch64/cortex-a57-fma-steering.c (fma_forest::merge_forest):
	Use ++iter rather than iter++ for std::list iterators.
	(func_fma_steering::dfs): Likewise.  Don't delete nodes right away,
	defer deleting them until all nodes in the forest are processed.  Do
	free even leaf nodes.  Change to_process into auto_vec.

2019-03-13  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backport from mainline
	2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
	requirement.

2019-03-11  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2019-02-11  David Malcolm  <dmalcolm@redhat.com>

	PR lto/88147
	* input.c (selftest::test_line_offset_overflow): New selftest.
	(selftest::input_c_tests): Call it.

2019-03-07  Xiong Hu Luo  <luoxhu@linux.ibm.com>

	Backport of r268834 from mainline to gcc-7-branch.
	2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
	vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
	* config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
	(crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
	* config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
	(VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
	New BU_CRYPTO_2.
	* config/rs6000/rs6000.c (builtin_function_type)
	<CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
	CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
	CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
	* doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
	vec_ncipher_be, vec_ncipherlast_be): New builtin functions.

2019-02-27  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/89397
	* config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
	TARGET_SSE in addition to TARGET_SSE_MATH.

	(ix86_excess_precision): Ditto.
	(ix86_float_exceptions_rounding_supported_p): Ditto.
	(use_rsqrt_p): Ditto.
	* config/i386/sse.md (rsqrt<mode>2): Ditto.

2019-02-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2019-02-14  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/89242
	* dce.c (delete_unmarked_insns): Call free_dominance_info we
	process a transformation.

2019-02-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2019-02-11  Martin Liska  <mliska@suse.cz>

	PR ipa/89009
	* ipa-cp.c (build_toporder_info): Remove usage of a param.
	* ipa-inline.c (inline_small_functions): Likewise.
	* ipa-pure-const.c (propagate_pure_const): Likewise.
	(propagate_nothrow): Likewise.
	* ipa-reference.c (propagate): Likewise.
	* ipa-utils.c (struct searchc_env): Remove unused field.
	(searchc): Always search across AVAIL_INTERPOSABLE.
	(ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
	the only called IPA pure const can properly not propagate
	across interposable boundary.
	* ipa-utils.h (ipa_reduced_postorder): Remove param.

2019-02-11  Stefan Agner  <stefan@agner.ch>

	Backport from mainline.
	2019-01-10  Stefan Agner  <stefan@agner.ch>

	PR target/88648
	* config/arm/arm.c (arm_option_override_internal): Force
	opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.

2019-02-09  Alan Modra  <amodra@gmail.com>

	PR target/88343
	* config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Match
	logic in rs6000_emit_prologue emitting pic_offset_table setup.

2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2018-06-11  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/85755
	* config/rs6000/rs6000.md (*movdi_internal32): Put constraint modifiers
	on the correct operand.
	(*movdi_internal64): Ditto.

2019-02-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from mainline.
	2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
	* config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
	Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
	type of vector element when vec_extract is implemented by direct
	move.

2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
	after restoring registers saved to allocate the frame on Windows.

2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>

	PR target/88856
	* config/s390/s390.md: Remove load and test FP splitter.

2019-02-04  Bill Schmidt  <wshmidt@linux.ibm.com>

	PR target/87064
	Backport from mainline

	2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR target/87064
	* config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
	Disable for little-endian.

	2019-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR target/87064
	* config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
	Disable for little endian.

2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>

	Backport from mainline
	2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/89008
	* gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
	process anything of the form X * 0.

2019-01-31  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-01-31  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/89115
	* lra.c (lra_rtx_hash): Properly hash CONST_INT values.

	2019-01-30  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/89115
	* opts.c (default_options_optimization): Reduce
	PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
	Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
	to the default.

2019-01-30  Kewen Lin  <linkw@gcc.gnu.org>

	Backport from mainline.
	2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>

	* doc/extend.texi: Add four new prototypes for vec_ld and seven new
	prototypes for vec_st.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
	for scalar address type variants of altivec_vec_ld/altivec_vec_st,
	mainly on signed/unsigned long long and double.

2019-01-27  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/88948
	* rtl.h (prepare_copy_insn): New prototype.
	* gcse.c (prepare_copy_insn): New function, split out from
	process_insert_insn.
	(process_insert_insn): Use prepare_copy_insn.
	* store-motion.c (replace_store_insn): Use prepare_copy_insn
	instead of gen_move_insn.

2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/88998
	* config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
	Disparage MMX alternative.
	(sse2_cvtpd2pi): Ditto.
	(sse2_cvttpd2pi): Ditto.

2019-01-24  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89008
	* tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
	not leave another stray operand.

2019-01-22  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/88938
	* config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
	case IX86_BUILTIN_BEXTRI64]: Sanitize operands.

2019-01-18  Uroš Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_gimplify_va_arg):
	Handle split indirect COMPLEX_TYPE arguments.

2019-01-16  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline
	2018-12-10  Martin Jambor  <mjambor@suse.cz>

	PR ipa/88214
	* ipa-prop.c (determine_locally_known_aggregate_parts): Make sure
	we check pointers against pointers.

2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
	    James Clarke  <jrtc27@jrtc27.com>

	PR target/84010
	* config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
	consistently in TLS address generation and adjust code to the renaming
	of patterns.  Mark calls to __tls_get_addr as const.
	* config/sparc/sparc.md (tgd_hi22): Turn into...
	(tgd_hi22<P:mode>): ...this and use Pmode throughout.
	(tgd_lo10): Turn into...
	(tgd_lo10<P:mode>): ...this and use Pmode throughout.
	(tgd_add32): Merge into...
	(tgd_add64): Likewise.
	(tgd_add<P:mode>): ...this and use Pmode throughout.
	(tldm_hi22): Turn into...
	(tldm_hi22<P:mode>): ...this and use Pmode throughout.
	(tldm_lo10): Turn into...
	(tldm_lo10<P:mode>): ...this and use Pmode throughout.
	(tldm_add32): Merge into...
	(tldm_add64): Likewise.
	(tldm_add<P:mode>): ...this and use Pmode throughout.
	(tldm_call32): Merge into...
	(tldm_call64): Likewise.
	(tldm_call<P:mode>): ...this and use Pmode throughout.
	(tldo_hix22): Turn into...
	(tldo_hix22<P:mode>): ...this and use Pmode throughout.
	(tldo_lox10): Turn into...
	(tldo_lox10<P:mode>): ...this and use Pmode throughout.
	(tldo_add32): Merge into...
	(tldo_add64): Likewise.
	(tldo_add<P:mode>): ...this and use Pmode throughout.
	(tie_hi22): Turn into...
	(tie_hi22<P:mode>): ...this and use Pmode throughout.
	(tie_lo10): Turn into...
	(tie_lo10<P:mode>): ...this and use Pmode throughout.
	(tie_ld64): Use DImode throughout.
	(tie_add32): Merge into...
	(tie_add64): Likewise.
	(tie_add<P:mode>): ...this and use Pmode throughout.
	(tle_hix22_sp32): Merge into...
	(tle_hix22_sp64): Likewise.
	(tle_hix22<P:mode>): ...this and use Pmode throughout.
	(tle_lox22_sp32): Merge into...
	(tle_lox22_sp64): Likewise.
	(tle_lox22<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub_sp32): Merge into...
	(*tldo_ldub_sp64): Likewise.
	(*tldo_ldub<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub1_sp32): Merge into...
	(*tldo_ldub1_sp64): Likewise.
	(*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub2_sp32): Merge into...
	(*tldo_ldub2_sp64): Likewise.
	(*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsb1_sp32): Merge into...
	(*tldo_ldsb1_sp64): Likewise.
	(*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsb2_sp32): Merge into...
	(*tldo_ldsb2_sp64): Likewise.
	(*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldub3_sp64): Use DImode throughout.
	(*tldo_ldsb3_sp64): Likewise.
	(*tldo_lduh_sp32): Merge into...
	(*tldo_lduh_sp64): Likewise.
	(*tldo_lduh<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduh1_sp32): Merge into...
	(*tldo_lduh1_sp64): Likewise.
	(*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
	(*tldo_ldsh1_sp32): Merge into...
	(*tldo_ldsh1_sp64): Likewise.
	(*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduh2_sp64): Use DImode throughout.
	(*tldo_ldsh2_sp64): Likewise.
	(*tldo_lduw_sp32): Merge into...
	(*tldo_lduw_sp64): Likewise.
	(*tldo_lduw<P:mode>): ...this and use Pmode throughout.
	(*tldo_lduw1_sp64): Use DImode throughout.
	(*tldo_ldsw1_sp64): Likewise.
	(*tldo_ldx_sp64): Likewise.
	(*tldo_stb_sp32): Merge into...
	(*tldo_stb_sp64): Likewise.
	(*tldo_stb<P:mode>): ...this and use Pmode throughout.
	(*tldo_sth_sp32): Merge into...
	(*tldo_sth_sp64): Likewise.
	(*tldo_sth<P:mode>): ...this and use Pmode throughout.
	(*tldo_stw_sp32): Merge into...
	(*tldo_stw_sp64): Likewise.
	(*tldo_stw<P:mode>): ...this and use Pmode throughout.
	(*tldo_stx_sp64): Use DImode throughout.

2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (-Os): Add reference to -finline-functions.
	(-finline-small-functions): Add references to -O3 and -Os.
	(-findirect-inlining): Likewise.
	(-finline-functions): Add references to -Os, -fprofile-use and
	-fauto-profile.

2019-01-03  Iain Sandoe  <iain@sandoe.co.uk>

	revert:
	2018-12-30  Iain Sandoe  <iain@sandoe.co.uk>

	backport from mainline.
	2018-12-12 Segher Boessenkool  <segher@kernel.crashing.org>
		   Iain Sandoe  <iain@sandoe.co.uk>

	PR target/88343
	* config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg
	unless it has been used.
	(first_reg_to_save): Remove dead code.

2019-01-02  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2018-12-06  Segher Boessenkool  <segher@kernel.crashing.org>

	PR inline-asm/55681
	* doc/extend.texi (Basic Asm): Update grammar.
	(Extended Asm): Update grammar.

	Backport from trunk
	2018-12-06  Segher Boessenkool  <segher@kernel.crashing.org>

	* doc/extend.texi (Using Assembly Language with C): Document asm inline.
	(Size of an asm): Fix typo.  Document asm inline.
	* gimple-pretty-print.c (dump_gimple_asm): Handle asm inline.
	* gimple.h (enum gf_mask): Add GF_ASM_INLINE.
	(gimple_asm_set_volatile): Fix typo.
	(gimple_asm_inline_p): New.
	(gimple_asm_set_inline): New.
	* gimplify.c (gimplify_asm_expr): Propagate the asm inline flag from
	tree to gimple.
	* ipa-icf-gimple.c (func_checker::compare_gimple_asm): Compare the
	gimple_asm_inline_p flag, too.
	* tree-core.h (tree_base): Document that protected_flag is ASM_INLINE_P
	in an ASM_EXPR.
	* tree-inline.c (estimate_num_insns): If gimple_asm_inline_p return
	a minimum size for an asm.
	* tree.h (ASM_INLINE_P): New.

2018-12-30  Iain Sandoe  <iain@sandoe.co.uk>

	backport from mainline.
	2018-12-12 Segher Boessenkool  <segher@kernel.crashing.org>
		   Iain Sandoe  <iain@sandoe.co.uk>

	PR target/88343
	* config/rs6000/rs6000.c (save_reg_p): Do not save the picbase reg
	unless it has been used.
	(first_reg_to_save): Remove dead code.

2018-12-24  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>

	PR c++/87380
	* config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC) Remove, use the
	default.
	* config/rs6000/darwin7.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New.

2018-12-24  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/78444
	* config/i386/darwin.h (STACK_BOUNDARY): Remove macro.
	* config/i386/i386.c (ix86_compute_frame_layout): Ensure at least 128b
	stack alignment in non-leaf functions.

2018-12-24  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/81685
	* config/darwin.h: (DEBUG_STR_OFFSETS_SECTION, DEBUG_LOCLISTS_SECTION,
	DEBUG_RNGLISTS_SECTION) new macros.  (DEBUG_PUBNAMES_SECTION,
	DEBUG_PUBTYPES_SECTION) update to include GNU variant.

2018-12-21  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-12-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/88418
	* config/i386/i386.c (ix86_expand_sse_cmp): For vector modes,
	check operand 1 with vector_operand predicate.
	(ix86_expand_sse_movcc): For vector modes, check op_true with
	vector_operand, not nonimmediate_operand.

2018-12-19  Bill Schmidt  <wschmidt@linux.ibm.com>

	Backport from mainline
	2018-12-18  Bill Schmidt  <wschmidt@linux.ibm.com>

	* doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
	Describe when a typedef name can be used as the type specifier for
	a vector type, and when it cannot.

2018-12-19  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2018-12-19  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/88213
	* config/rs6000/vsx.md (*vsx_extract_<P:mode>_<VSX_D:mode>_load):
	Require TARGET_POWERPC64.

2018-12-17  Senthil Kumar Selvaraj  <senthilkumar.selvaraj@microchip.com>

	Backport from trunk
	2018-12-17  Senthil Kumar Selvaraj  <senthilkumar.selvaraj@microchip.com>

	PR rtl-optimization/88253
	* combine.c (combine_simplify_rtx): Test for side-effects before
	substituting by zero.

2018-12-15  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2018-12-14  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/88001
	* function.c (match_asm_constraints_1): Don't invalidly share RTL.

2018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtins.def (s390_vec_double_s64): Map to
	s390_vec_double_s64 instead of s390_vcdgb.
	(s390_vec_double_u64): Map to s390_vec_double_u64 instead of
	s390_vcdlgb.

2018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-12-13  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/vx-builtins.md ("vec_ctd_s64", "vec_ctd_u64")
	("vec_ctsl", "vec_ctul"): Replace 0 with VEC_NOINEXACT.
	("vec_double_s64", "vec_double_u64"): Replace 4 with VEC_INEXACT.

2018-12-12  Peter Bergner  <bergner@linux.ibm.com>

	Backport from mainline
	2018-12-07  Peter Bergner  <bergner@linux.ibm.com>

	PR target/87496
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
	-mabi=ieeelongdouble and -mabi=ibmlongdouble without -mlong-double-128.
	Do not error for -mabi=ibmlongdouble and no ISA 2.06 support.
	* doc/invoke.texi: Document -mabi=ibmlongdouble and -mabi=ieeelongdouble
	require -mlong-double-128.

2018-12-06  Richard Biener  <rguenther@suse.de>

	* BASE-VER: Increment to 7.4.1.

2018-12-06  Release Manager

	* GCC 7.4.0 released.

2018-11-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79351
	* tree-ssa-sccvn.c (vn_reference_lookup_3): For assignments from
	empty CONSTRUCTORs ensure the store is at a constant position.

2018-11-26  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline
	2018-08-22  Iain Sandoe  <iain@sandoe.co.uk>

	PR bootstrap/81033
	PR target/81733
	PR target/52795
	* gcc/dwarf2out.c (FUNC_SECOND_SECT_LABEL): New.
	(dwarf2out_switch_text_section): Generate a local label for the second
	function sub-section and apply it as the second FDE start label.
	* gcc/final.c (final_scan_insn_1): Emit second FDE label after the
	second sub-section start.

2018-11-26  Iain Sandoe  <iain@sandoe.co.uk>

	2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>

	* config/darwin.c
	(darwin_function_switched_text_sections): Delete.
	* gcc/config/darwin.h
	(TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): Likewise.

2018-11-26  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-11-20  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md ("clztidi2"): Swap the RTX's written to the
	DImode parts of the target operand.

2018-11-26  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-11-26  Andreas Krebbel  <krebbel@linux.ibm.com>

	* doc/invoke.texi: Document z14/arch12 -march option.

2018-10-19  Richard Biener  <rguenther@suse.de>

	PR middle-end/87645
	Backport from mainline
	2018-07-12  Richard Biener  <rguenther@suse.de>

	* gimple-match-head.c (gimple_resimplify1): Apply recursion
	limit.
	(gimple_resimplify2): Likewise.
	(gimple_resimplify3): Likewise.
	(gimple_resimplify4): Likewise.

2018-11-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-10-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/87610
	* tree-ssa-structalias.c (struct vls_data): Add escaped_p member.
	(visit_loadstore): When a used restrict tag escaped verify that
	the points-to solution of "other" pointers do not include
	escaped.
	(compute_dependence_clique): If a used restrict tag escaped
	communicated that down to visit_loadstore.

	2018-10-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87665
	PR tree-optimization/87745
	* tree-vectorizer.h (get_earlier_stmt): Remove.
	(get_later_stmt): Pick up UID from the original non-pattern stmt.

	2018-10-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87665
	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Adjust
	to reflect reality.

2018-11-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-06-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/86139
	* tree-vect-generic.c (build_word_mode_vector_type): Remove
	duplicate and harmful type_hash_canon.

	2018-06-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/86076
	* tree-cfg.c (move_stmt_op): unshare invariant addresses
	before adjusting their block.

2018-11-22  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-11-16  Uros Bizjak  <ubizjak@gmail.com>

	PR target/88051
	* config/i386/sse.md (UNSPEC_MOVDI_TO_SSE): New UNSPEC.
	(movdi_to_sse): Rewrite using UNSPEC_MOVDI_TO_SSE unspec.

2018-11-22  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2017-11-19  Tom de Vries  <tom@codesourcery.com>

	PR target/82961
	* vmsdbgout.c (vmsdbgout_early_finish): New function.
	(vmsdbg_debug_hooks): Set early_finish field to vmsdbgout_early_finish.

2018-11-21  Mihail Ionescu  <mihail.ionescu@arm.com>

	PR target/87867
	Backport from mainiline
	2018-09-26  Eric Botcazou  <ebotcazou@adacore.com>

	* config/arm/arm.c (arm_reorg): Skip Thumb reorg pass for thunks.
	(arm32_output_mi_thunk): Deal with long calls.

2018-11-20  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-03-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84777
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For
	force-vectorize loops ignore whether we are optimizing for size.

	2018-01-26  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/84003
	* dse.c (record_store): Only record redundant stores when
	the earlier store aliases at least all accesses the later one does.

2018-11-20  Xuepeng Guo  <xuepeng.guo@intel.com>

	Backport from mainline
	2018-11-05  Xuepeng Guo  <xuepeng.guo@intel.com>

	PR target/87853
	* config/i386/emmintrin.h (__v16qs): New to cope with option
	-funsigned-char.
	(_mm_cmpeq_epi8): Replace __v16qi with __v16qs.
	(_mm_cmplt_epi8): Likewise.
	(_mm_cmpgt_epi8): Likewise.

2018-11-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/85925
	* rtl.h (word_register_operation_p): New predicate.
	* combine.c (record_dead_and_set_regs_1): Only apply specific handling
	for WORD_REGISTER_OPERATIONS targets to word_register_operation_p RTX.
	* rtlanal.c (nonzero_bits1): Likewise.  Adjust couple of comments.
	(num_sign_bit_copies1): Likewise.

2018-11-18  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-11-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/87928
	* config/i386/i386.h (STACK_BOUNDARY): Use TARGET_64BIT_MS_ABI
	instead of (TARGET_64BIT && ix86_abi == MS_ABI).
	* config/i386/darwin.h (STACK_BOUNDARY): Ditto.
	* config/i386/cygming.h (STACK_BOUNDARY): Remove.

2018-11-15  Nathan Sidwell  <nathan@acm.org>

	PR debug/88006
	PR debug/87462
	* dwarf2out.c (dwarf2out_finish): Apply resolve_addr to comdat
	type list.

2018-11-11  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-11-04  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/58372
	* cfgexpand.c (pass_expand::execute): Move the call to
	finish_eh_generation in front of the call to expand_stack_alignment.

2018-11-07  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2018-11-05  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0.

2018-10-26  Bill Schmidt  <wschmidt@linux.ibm.com>

	Backport from mainline
	2018-10-19  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/87473
	* gimple-ssa-strength-reduction.c (record_phi_increments): For
	phi arguments identical to the base expression of the phi
	candidate, record a phi-adjust increment of zero minus the index
	expression of the hidden basis.
	(phi_incr_cost): For phi arguments identical to the base
	expression of the phi candidate, the difference to compare against
	the increment is zero minus the index expression of the hidden
	basis, and there is no potential savings from replacing the (phi)
	statement.
	(ncd_with_phi): For phi arguments identical to the base expression
	of the phi candidate, the difference to compare against the
	increment is zero minus the index expression of the hidden basis.
	(all_phi_incrs_profitable): For phi arguments identical to the
	base expression of the phi candidate, the increment to be checked
	for profitability is zero minus the index expression of the hidden
	basis.

2018-10-19  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-10-15  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.c (s390_expand_vec_init): Force vector element
	into reg if it isn't a general operand.

2018-10-17  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/87623
	* fold-const.c (fold_truth_andor_1): If the right side is not constant,
	bail out if both sides do not have the same storage order.

2018-10-16  Wilco Dijkstra  <wdijkstr@arm.com>

	Backported from mainline
	PR target/87511
	* config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
	Use HOST_WIDE_INT_1U for shift.

2018-10-12  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2018-10-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/87550
	* config/i386/i386-builtin.def (IX86_BUILTIN_RDPMC): Move from args set
	to special_args set.

	2018-09-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/87248
	* fold-const.c (fold_ternary_loc) <case COND_EXPR>: Verify also that
	BIT_AND_EXPR's second operand is a power of two.  Formatting fix.

	2018-08-27  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/87065
	* combine.c (simplify_if_then_else): Formatting fix.
	(if_then_else_cond): Guard MULT optimization with SCALAR_INT_MODE_P
	check.
	(known_cond): Don't return const_true_rtx for vector modes.  Use
	CONST0_RTX instead of const0_rtx.  Formatting fixes.

	2018-07-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/86627
	* expmed.c (expand_divmod): Punt if d == HOST_WIDE_INT_MIN
	and size > HOST_BITS_PER_WIDE_INT.  For size > HOST_BITS_PER_WIDE_INT
	and abs_d == d, do the power of two handling if profitable.

	2018-07-17  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/86542
	* omp-low.c (create_task_copyfn): Copy over also fields corresponding
	to _looptemp_ clauses, other than the first two.

	PR middle-end/86539
	* gimplify.c (gimplify_omp_for): Ensure taskloop firstprivatized init
	and cond temporaries don't have reference type if iterator has
	pointer type.  For init use &for_pre_body instead of pre_p if
	for_pre_body is non-empty.

	2018-07-26  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/86660
	* omp-low.c (scan_sharing_clauses): Don't ignore map clauses for
	declare target to variables if they have always,{to,from,tofrom} map
	kinds.

2018-10-12  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-08-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/87024
	* tree-inline.c (copy_bb): Drop unused __builtin_va_arg_pack_len
	calls.

	2018-08-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/86505
	* tree-inline.c (copy_bb): When inlining __builtin_va_arg_pack_len ()
	across a va-arg-pack using call adjust its return value accordingly.

2018-10-09  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-09-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/87370
	* config/i386/i386.c (construct_container): Use TImode for
	BLKmode values in 2 integer registers.

2018-10-08  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-10-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/87517
	* config/i386/avx512fintrin.h (_mm512_mask_fmaddsub_round_pd):
	Defined with __builtin_ia32_vfmaddsubpd512_mask.

2018-10-05  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-10-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/87522
	* config/i386/gnu-user.h (ASM_SPEC): Don't pass -msse2avx to
	assembler for -mavx.
	* config/i386/gnu-user64.h (ASM_SPEC): Likewise.

2018-10-03  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-09-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (SSE_REGNO): Fix check for FIRST_REX_SSE_REG.
	(GET_SSE_REGNO): Rename from SSE_REGNO.  Update all uses for rename.

2018-10-03  Jonathan Wakely  <jwakely@redhat.com>

	PR other/87353
	* doc/invoke.texi (Link Options): Fix formatting and grammar.

2018-10-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	2018-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (output_move_double): Don't allow STRD instructions
	if starting source register is not even.

2018-09-29  Jakub Jelinek  <jakub@redhat.com>

	PR target/87467
	* config/i386/avx512fintrin.h (_mm512_abs_pd, _mm512_mask_abs_pd): Use
	__m512d type for __A argument rather than __m512.

2018-09-27  Michael Meissner  <meissner@linux.ibm.com>

	Backport from mainline
	2018-08-20  Michael Meissner  <meissner@linux.ibm.com>

	PR target/87033
	* config/rs6000/rs6000.md (extendsi<mode>2): Change constraints
	from 'Y' to 'YZ' to enable the LWAX instruction to be generated
	for indexed loads.

2018-09-21  Eric Botcazou  <ebotcazou@adacore.com>

	* config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Return false
	if the call takes a static chain.

2018-09-19  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.md (atomic_storeqi): Restore deleted expander.
	(atomic_storehi): Likewise.
	(atomic_storesi): Likewise.
	(atomic_loaddi): Restore compare and swap exchange loop code.

2018-09-12  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk
	2018-08-24  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/86989
	* config/rs6000/rs6000.c (toc_relative_expr_p): Check that the base is
	the TOC register.

2018-09-12  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-09-12  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390.md (PFPO_RND_MODE_DFP, PFPO_RND_MODE_BFP): New
	constants.
	("trunc<BFP:mode><DFP_ALL:mode>2")
	("trunc<DFP_ALL:mode><BFP:mode>2")
	("extend<BFP:mode><DFP_ALL:mode>2")
	("extend<DFP_ALL:mode><BFP:mode>2"): Set proper rounding mode
	according to the target operand type.

2018-09-04  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2018-09-04  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and
	XOR operations in NAND case.

2018-09-04  Jonathan Wakely  <jwakely@redhat.com>

	* doc/invoke.texi (Option Summary): Add -Waligned-new.

2018-09-03  Tom de Vries  <tdevries@suse.de>

	backport from trunk:
	2018-06-21  Tom de Vries  <tdevries@suse.de>

	PR tree-optimization/85859
	* tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call
	test with comment from bb_no_side_effects_p.

2018-08-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	Backport from mainline
	PR target/86662
	* gcc/tree.c (build_common_tree_nodes): Initialize integer_types array
	with all enabled __intN types.

	* gcc/testsuite/gcc.target/msp430/pr86662.c: New test.

2018-08-21  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/87014
	* config/i386/i386.md (eh_return): Always update EH return
	address in word_mode.

2018-08-17  John David Anglin  <danglin@gcc.gnu.org>

	Backport from mainline
	2018-08-11  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.md (UNSPEC_MEMORY_BARRIER): New unspec enum.
	Update comment for atomic instructions.
	(atomic_storeqi, atomic_storehi, atomic_storesi, atomic_storesf,
	atomic_loaddf, atomic_loaddf_1, atomic_storedf, atomic_storedf_1):
	Remove.
	(atomic_loaddi): Revise fence expansion to only emit fence prior to
	load for __ATOMIC_SEQ_CST model.
	(atomic_loaddi_1): Remove float register target.
	(atomic_storedi): Handle CONST_INT values.
	(atomic_storedi_1): Remove float register source.  Add special case
	for zero value.
	(memory_barrier): New expander and insn.

2018-08-13  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2018-05-09  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/85645
	* regrename.c (build_def_use): Also kill the chains that include the
	destination of a REG_CFA_REGISTER note.

	PR rtl-optimization/85645
	*  regcprop.c (copyprop_hardreg_forward_1): Don't propagate into an
	insn that has a REG_CFA_REGISTER note.

2018-08-10  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2018-06-19  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/86197
	* config/rs6000/rs6000.md (rs6000_discover_homogeneous_aggregate): An
	ieee128 argument takes up only one (vector) register, not two (floating
	point) registers.

2018-08-02  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	Backport from mainline
	2018-07-31  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	PR middle-end/86705
	* gcc/cfgexpand.c (set_parm_rtl): Use the alignment of Pmode when
	MAX_SUPPORTED_STACK_ALIGNMENT would otherwise be exceeded by the
	requested variable alignment.
	(expand_one_ssa_partition): Likewise.
	(expand_one_var): Likewise.

2018-08-01  Richard Biener  <rguenther@suse.de>

	PR bootstrap/86724
	* graphite.h: Include isl/id.h and isl/space.h to allow build
	with ISL 0.20.

2018-07-29  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.c (pa_output_addr_vec): Align address table.
	* config/pa/pa.h (JUMP_TABLES_IN_TEXT_SECTION): Revise comment.
	* config/pa/pa32-linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define.

2018-07-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	PR target/84168
	2017-09-28  Joseph Myers  <joseph@codesourcery.com>

	* config/aarch64/aarch64.c (aarch64_elf_asm_constructor)
	(aarch64_elf_asm_destructor): Pass SECTION_NOTYPE to get_section
	when creating .init_array and .fini_array sections with priority
	specified.

2018-07-12  Richard Biener  <rguenther@suse.de>

	PR target/84829
	* config/gnu-user.h (GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC):
	Remove -mieee-fp handling.

2018-07-10  Carl Love  <cel@us.ibm.com>

	Backport from mainline
	2017-09-07  Carl Love  <cel@us.ibm.com>

	* config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
	the sldi instruction.

2018-06-29  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* lex.c (search_line_fast): Remove illegal coercion of an
	unaligned pointer value to vector pointer type and replace with
	use of __builtin_vec_vsx_ld () built-in function, which operates
	on unaligned pointer values.

2018-06-27  David Edelsohn  <dje.gcc@gmail.com>

	2018-06-19  Tony Reix  <tony.reix@atos.com>
	    Damien Bergamini  <damien.bergamini@atos.com>
	    David Edelsohn  <dje.gcc@gmail.com>

	* collect2.c (static_obj): New variable.
	(static_libs): New variable.
	(is_in_list): Uncomment declaration.
	(main): Track AIX libraries linked statically.
	(is_in_list): Uncomment definition.
	(scan_prog_file): Don't add AIX shared libraries initializer
	to constructor list if linking statically.

2018-06-26  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backported from mainline
	2018-06-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Change
	behavior of vec_packsu (vector unsigned long long, vector unsigned
	long long) to match behavior of vec_packs with same signature.

2018-06-26  Robin Dapp  <rdapp@linux.vnet.ibm.com>

	* config/s390/s390.h (enum processor_flags): Do not use
	default tune parameter when -march was specified.

2018-06-26  Jakub Jelinek  <jakub@redhat.com>

	PR target/86314
	* config/i386/i386.md (setcc + movzbl to xor + setcc peephole2s):
	Check reg_overlap_mentioned_p in addition to reg_set_p with the same
	operands.

2018-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2018-04-17  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/85424
	* config/rs6000/rs6000.md (pack<mode>): Do not try handle a pack
	where the inputs overlap with the output.

2018-06-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/84786
	* config/i386/sse.md (vshift_count): New mode attr.
	(<shift_insn><mode>3<mask_name>): Use <vshift_count>N instead of vN
	as last operand's constraint for VI2_AVX2_AVX512BW shifts.  Use YvN
	instead of vN as last operand's constraint for VI48_AVX2 shifts.

2018-06-23  Richard Sandiford  <richard.sandiford@linaro.org>

	PR tree-optimization/85989
	* gimple-ssa-backprop.c (backprop::m_visited_phis): New member
	variable.
	(backprop::intersect_uses): Check it when deciding whether this
	is a backedge reference.
	(backprop::process_block): Add each phi to m_visited_phis
	after visiting it, then clear it at the end.

2018-06-22  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2018-06-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/86231
	* tree-vrp.c (union_ranges): For (  [  )  ] or (   )[   ] range and
	anti-range don't overwrite *vr0min before using it to compute *vr0max.

	2018-06-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/85878
	* expr.c (expand_assignment): Only call store_expr for halves if the
	mode is the same.

	2018-06-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/85945
	* lower-subreg.c (find_decomposable_subregs): Don't decompose float
	subregs of multi-word pseudos unless the float mode has word size.

	2018-06-04  Jakub Jelinek  <jakub@redhat.com>

	PR c++/86025
	* tree.c (inchash::add_expr): Handle IDENTIFIER_NODE.

	2018-05-06  Jakub Jelinek  <jakub@redhat.com>

	PR c++/85659
	* cfgexpand.c (expand_asm_stmt): Don't create a temporary if
	the type is addressable.  Don't force op into register if it has
	BLKmode.

	2018-05-01  Jakub Jelinek  <jakub@redhat.com>

	PR web/85578
	* doc/install.texi2html: Replace _002d with - and _002a with * in
	generated html files using sed.

	2018-04-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/85529
	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB
	argument.  Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE,
	rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious
	zero extension or masking of the MSB bit.
	(optimize_range_tests): Add FIRST_BB argument, pass it through
	to optimize_range_tests_var_bound.
	(maybe_optimize_range_tests, reassociate_bb): Adjust
	optimize_range_tests callers.

	2018-04-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/85446
	* match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Require
	the integral and pointer types to have the same precision.

	2018-04-18  David Malcolm  <dmalcolm@redhat.com>

	PR jit/85384
	* configure.ac (gcc-driver-name.h): Honor --with-gcc-major-version
	by using gcc_base_ver to generate a gcc_driver_version, and use
	it when generating GCC_DRIVER_NAME.
	* configure: Regenerate.

	2018-04-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/85431
	* dse.c (record_store): Ignore zero width stores.

	PR target/85430
	* config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu.

	2018-04-10  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/85300
	* combine.c (subst): Handle subst of CONST_SCALAR_INT_P new_rtx also
	into FLOAT and UNSIGNED_FLOAT like ZERO_EXTEND, return a CLOBBER if
	simplify_unary_operation fails.

	2018-04-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/85257
	* fold-const.c (native_encode_vector): If not all elts could fit
	and off is -1, return 0 rather than offset.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Pass
	(offset - offset2) / BITS_PER_UNIT as 4th argument to
	native_encode_expr.  Verify len * BITS_PER_UNIT >= maxsizei.  Don't
	adjust buffer in native_interpret_expr call.

	2018-04-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/85252
	* dwarf2out.c (rtl_for_decl_init): For STRING_CST initializer only
	build CONST_STRING if TYPE_MAX_VALUE is non-NULL and is INTEGER_CST.

	2018-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/85167
	* shrink-wrap.c (move_insn_for_shrink_wrap): Don't set bb_uses and
	bb_defs if *split_p, instead preinitialize it to NULL.

	2018-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/85095
	* config/i386/i386.md (*add<mode>3_carry_0, *addsi3_carry_zext_0,
	*sub<mode>3_carry_0, *subsi3_carry_zext_0): New patterns.

	2018-03-23  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/85022
	* emit-rtl.c (init_emit_regs): Indicate that VOIDmode MEMs don't have
	known size by default.

	PR inline-asm/85034
	* function.c (match_asm_constraints_1): Don't optimize if input
	doesn't satisfy general_operand predicate for output's mode.

	PR inline-asm/85022
	* alias.c (write_dependence_p): Don't require for x_canonicalized
	non-VOIDmode if x has VOIDmode.

	2018-03-22  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/84941
	* function.c (match_asm_constraints_1): Don't do the optimization
	if input isn't a REG, SUBREG, MEM or constant.

	PR sanitizer/85018
	* dwarf2asm.c (dw2_output_indirect_constant_1): Set
	DECL_INITIAL (decl) to decl at the end.
	* varasm.c (use_blocks_for_decl_p): Revert the 2018-03-20 change,
	adjust the comment.

	2018-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/84875
	* dce.c (delete_unmarked_insns): Don't remove frame related noop moves
	holding REG_CFA_RESTORE notes, instead turn them into a USE.

	PR c/84953
	* builtins.c (fold_builtin_strpbrk): For strpbrk(x, "") use type
	instead of TREE_TYPE (s1) for the return value.

	PR target/84990
	* dwarf2asm.c (dw2_output_indirect_constant_1): Temporarily turn off
	flag_section_anchors.
	* varasm.c (use_blocks_for_decl_p): Remove hack for
	dw2_force_const_mem.

	2018-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/78651
	* dwarf2asm.c: Include fold-const.c.
	(dw2_output_indirect_constant_1): Set DECL_INITIAL (decl) to ADDR_EXPR
	of decl rather than decl itself.

	2018-03-19  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR sanitizer/78651
	* dwarf2asm.c (dw2_output_indirect_constant_1): Disable ASan before
	calling assemble_variable.

	2018-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/84899
	* postreload.c (reload_combine_recognize_pattern): Perform
	INTVAL addition in unsigned HOST_WIDE_INT type to avoid UB and
	truncate_int_for_mode the result for the destination's mode.

	PR tree-optimization/84841
	* tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from
	1 << 3.
	(FLOAT_ONE_CONST_TYPE): Define.
	(constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0.
	(sort_by_operand_rank): Put entries with higher constant_type last
	rather than first to match comments.

	2018-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79085
	* calls.c (expand_call): For TREE_ADDRESSABLE rettype ignore alignment
	check and use address of target always.

	PR target/84860
	* optabs.c (emit_conditional_move): Pass address of cmode's copy
	rather than address of cmode as last argument to prepare_cmp_insn.

	2018-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/84834
	* match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of
	integer_pow2p@2 and test integer_pow2p in condition.
	(A < 0 ? C : 0): Similarly for @1.

	PR target/84827
	* config/i386/i386.md (round<mode>2): For 387 fancy math, disable
	pattern if -ftrapping-math -fno-fp-int-builtin-inexact.

	PR target/84786
	* config/i386/sse.md (sse2_loadhpd): Use Yv constraint rather than v
	on the last operand.

	2018-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/84772
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Mark va_arg_tmp
	temporary TREE_ADDRESSABLE before gimplification of BUILT_IN_MEMCPY.

	PR c++/84767
	* tree-inline.c (copy_tree_body_r): For INDIRECT_REF of a remapped
	decl, use remap_type if we want to use the type.

	2018-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/84739
	* tree-tailcall.c (find_tail_calls): Check call arguments against
	DECL_ARGUMENTS (current_function_decl) rather than
	DECL_ARGUMENTS (func) when checking for tail recursion.

	2018-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/84700
	* combine.c (combine_simplify_rtx): Don't try to simplify if
	if_then_else_cond returned non-NULL, but either true_rtx or false_rtx
	are equal to x.

2018-06-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backport from mainline
	2018-06-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm_cmse.h (cmse_nsfptr_create): Change typeof to
	__typeof__.
	(cmse_check_pointed_object): Likewise.

2018-06-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Backport from mainline
	2018-05-17  Jerome Lambourg  <lambourg@adacore.com>

	* config/arm/arm_cmse.h (cmse_nsfptr_create, cmse_is_nsfptr): Remove
	#include <stdint.h>.  Replace intptr_t with __INTPTR_TYPE__.

2018-06-21  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2018-06-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (riscv*-*-elf* | riscv*-*-rtems*): Use custom
	multilibs for *-*-rtems*.
	* config/riscv/t-rtems: New file.

2018-06-19  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2018-06-19  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
	constant.
	(allocate_stack, frame_blockage, *frame_blockage): New patterns.

2018-06-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_init_constructor): Really never clear for an
	incomplete constructor if CONSTRUCTOR_NO_CLEARING is set.

2018-06-18  Martin Sebor  <msebor@redhat.com>

	PR middle-end/82063
	* calls.c (alloc_max_size): Correct a logic error/typo.
	Treat excessive arguments as infinite.  Warn for invalid arguments.
	* doc/invoke.texi (-Walloc-size-larger-than): Update.

2018-06-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2018-06-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/rtems.h (STDINT_LONG32): Define.

2018-06-11  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-06-08  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/85755
	* config/rs6000/rs6000.c (mem_operand_gpr): Enable PRE_INC and PRE_DEC
	addresses.

2018-06-07  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-06-06  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/63177
	* /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9.
	Don't handle -mcpu=power8 if -mpower9-vector is also used.

2018-06-07  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-05-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/85588
	* fold-const.c (negate_expr_p): Restrict negation of operand
	zero of a division to when we know that can happen without
	overflow.
	(fold_negate_expr_1): Likewise.

	2018-05-02  Richard Biener  <rguenther@suse.de>

	PR middle-end/85567
	* gimplify.c (gimplify_save_expr): When in SSA form allow
	SAVE_EXPRs to compute to SSA vars.

	2018-05-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/85597
	* tree-vect-stmts.c (vectorizable_operation): For ternary SLP
	do not use split vect_get_vec_defs call but call vect_get_slp_defs
	directly.

2018-06-05  Andreas Krebbel  <krebbel@linux.ibm.com>

	Backport from mainline
	2018-06-05  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/s390-builtin-types.def: Add void function type.
	* config/s390/s390-builtins.def: Use the function type for the
	tbeginc builtin.

2018-06-01  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/85712
	Backport from mainline:
	2018-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/85712
	* gimple-ssa-strength-reduction.c (struct slsr_cand_d): Add
	first_interp field.
	(alloc_cand_and_find_basis): Initialize first_interp field.
	(slsr_process_mul): Modify first_interp field.
	(slsr_process_add): Likewise.
	(slsr_process_cast): Modify first_interp field for each new
	interpretation.
	(slsr_process_copy): Likewise.
	(dump_candidate): Dump first_interp field.
	(replace_mult_candidate): Process all interpretations, not just
	subsequent ones.
	(replace_rhs_if_not_dup): Likewise.
	(replace_one_candidate): Likewise.

	Backport from mainline:
	2018-05-25  Bill Schmidt  <wschmidt@linux.ibm.com>

	PR tree-optimization/85712
	* gimple-ssa-strength-reduction.c (replace_one_candidate): Skip if
	this candidate has already been replaced in-situ by a copy.

2018-05-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (cvtusi2<ssescalarmodesuffix>64<round_name>):
	Add {q} suffix to insn mnemonic.

2018-05-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/85903
	* config/i386/sse.md (movdi_to_sse): Do not generate pseudo
	when memory input operand is handled.

2018-05-21  Pat Haugen  <pthaugen@us.ibm.com>

	Backport from mainline
	2018-05-17  Pat Haugen  <pthaugen@us.ibm.com>
		    Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/85698
	* config/rs6000/rs6000.c (rs6000_output_move_128bit): Check
	dest operand.

2018-05-17  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2018-05-11  Martin Jambor  <mjambor@suse.cz>

	PR ipa/85655
	* ipa-cp.c (intersect_with_plats): Check that the lattice contains
	single const.

2018-05-01  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2018-04-16  Cesar Philippidis  <cesar@codesourcery.com>
		    Tom de Vries  <tom@codesourcery.com>

	PR middle-end/84955
	* omp-expand.c (expand_oacc_for): Add dummy false branch for
	tiled basic blocks without omp continue statements.

2018-04-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-04-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/85284
	* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
	Only use the niter constraining form of simple_iv when the exit
	is always executed.

	2018-04-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/85244
	* tree-dfa.c (get_ref_base_and_extent): Reset seen_variable_array_ref
	after seeing a component reference with an adjacent field.  Treat
	refs to arrays at struct end of external decls similar to
	refs to unconstrained commons.

	2018-04-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/85168
	* tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Avoid
	propagating abnormals.

2018-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-04-17  Martin Liska  <mliska@suse.cz>

	PR lto/85405
	* ipa-devirt.c (odr_types_equivalent_p): Remove trailing
	in message, remote space in between '_G' and '('.

2018-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-04-17  Jan Hubicka  <jh@suse.cz>

	PR lto/85405
	* ipa-devirt.c (odr_types_equivalent_p): Handle bit fields.

2018-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-03-28  Jakub Jelinek  <jakub@redhat.com>
		    Martin Liska  <mliska@suse.cz>

	PR sanitizer/85081
	* gimplify.c (asan_poison_variable): Don't do the check for
	gimplify_omp_ctxp here.
	(gimplify_decl_expr): Do it here.
	(gimplify_target_expr): Likewise.

2018-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-03-21  Martin Liska  <mliska@suse.cz>

	PR ipa/84963
	* ipa-icf.c (sem_item_optimizer::fixup_points_to_sets): Remove
	not intended return statement.

2018-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-03-13  Martin Liska  <mliska@suse.cz>

	PR ipa/84658.
	* (sem_item_optimizer::sem_item_optimizer): Initialize new
	vector.
	(sem_item_optimizer::~sem_item_optimizer): Release it.
	(sem_item_optimizer::merge_classes): Register variable aliases.
	(sem_item_optimizer::fixup_pt_set): New function.
	(sem_item_optimizer::fixup_points_to_sets): Likewise.
	* ipa-icf.h: Declare new variables and functions.

2018-04-23  Aaron Sawdey  <acsawdey@linux.ibm.com>

	Backport from mainline
	2018-04-16  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/83660
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Mark
	vec_extract expression as having side effects to make sure it gets
	a cleanup point.

2018-04-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/85496
	* expr.c (store_field): In the bitfield case, if the value comes from
	a function call and is returned in registers by means of a PARALLEL,
	do not change the mode of the temporary unless BLKmode and VOIDmode.

2018-04-20  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-03-09  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/83969
	* config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New prototype.
	Add strict argument and use it.
	(rs6000_split_multireg_move): Update for new strict argument.
	(mem_operand_gpr): Disallow all non-offsettable addresses.
	* config/rs6000/rs6000.md (*movdi_internal64): Use YZ constraint.

2018-04-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	Backport from mainline
	2018-04-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR target/85261
	* config/arm/arm-builtins.c (arm_expand_builtin): Force input operand
	into register.

2018-04-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2018-04-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_output_indirect_thunk_function): Check
	also for flag_dwarf2_cfi_asm.

2018-04-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (stack_probe_internal): Rename
	from "probe_stack".  Update all callers.

2018-04-11  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	Backport from mainline
	2018-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR target/85203
	* config/arm/arm-builtins.c (arm_expand_builtin): Change
	expansion to perform a bitwise AND of the argument followed by a
	boolean negation of the result.

2018-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	2018-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/84748
	* config/aarch64/aarch64.md (*compare_cstore<mode>_insn): Mark pattern
	as clobbering CC_REGNUM.

2018-04-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/85196
	* config/sparc/sparc.c (sparc_expand_move): Deal with symbolic operands
	based on LABEL_REF.  Remove useless assertion.
	(pic_address_needs_scratch): Fix formatting.
	(sparc_legitimize_pic_address): Minor tweaks.
	(sparc_delegitimize_address): Adjust assertion accordingly.
	* config/sparc/sparc.md (movsi_pic_label_ref): Change label_ref_operand
	into symbolic_operand.
	(movsi_high_pic_label_ref): Likewise.
	(movsi_lo_sum_pic_label_ref): Likewise.
	(movdi_pic_label_ref): Likewise.
	(movdi_high_pic_label_ref): Likewise.
	(movdi_lo_sum_pic_label_ref): Likewise.

2018-04-06  Amaan Cheval  <amaan.cheval@gmail.com>

	* config.gcc (x86_64-*-rtems*): Add rtems.h to tm_file for
	custom LIB_SPEC setup.

2018-04-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/85193
	* config/i386/i386.md (define_attr "memory"): Handle rotate1 type.

2018-04-04  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-04-04  Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/84878
	* ddg.c (add_cross_iteration_register_deps): Use DF_REF_BB to determine
	the basic block.  Assert the use reference is not artificial and that
	it has an associated insn.

2018-04-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (emit_i387_cw_initialization): Always use logic
	instructions when changing rounding bits to preserve precision bits
	in the x87 control word.

2018-04-03  Cesar Philippidis  <cesar@codesourcery.com>

	Backport from mainline
	2018-03-27  Cesar Philippidis  <cesar@codesourcery.com>

	PR target/85056
	* config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Add '[]' to
	extern array declarations.

2018-04-02  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-03-28  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/84912
	* config/rs6000/rs6000.h: Update copyright date.
	(RS6000_BTM_POWERPC64): New define.
	(RS6000_BTM_COMMON): Add RS6000_BTM_POWERPC64.
	* config/rs6000/rs6000.c: Update copyright date.
	(rs6000_builtin_mask_calculate): Add support for RS6000_BTM_POWERPC64.
	(rs6000_invalid_builtin): Add handling for RS6000_BTM_POWERPC64
	(rs6000_builtin_mask_names): Add RS6000_BTM_POWERPC64.
	* config/rs6000/rs6000-builtin.def: Update copyright date.
	(BU_P7_POWERPC64_MISC_2): New macro definition.
	(DIVDE): Use it.
	(DIVDEU): Likewise.

	Backport from mainline
	2018-03-28  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/84912
	* config/rs6000/rs6000-builtin.def (DIVWEO): Delete macro expansion.
	(DIVWEUO): Likewise.
	(DIVDEO): Likewise.
	(DIVDEUO): Likewise.
	* config/rs6000/rs6000.c (builtin_function_type): Remove support for
	DIVWEUO and DIVDEUO.
	* config/rs6000/rs6000.md: Update copyright date.
	(UNSPEC_DIVEO, UNSPEC_DIVEUO): Delete unspecs.
	(UNSPEC_DIV_EXTEND): Remove deleted unspecs.
	(div_extend): Likewise.
	* doc/extend.texi: Update copyright date.
	(__builtin_divweo): Remove documentation for deleted builtin function.
	(__builtin_divweuo): Likewise.
	(__builtin_divdeo): Likewise.
	(__builtin_divdeuo): Likewise.

2018-04-02  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-03-30  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/80546
	* config/rs6000/vsx.md (??r): New mode attribute.
	(*vsx_mov<mode>_64bit): Use it.
	(*vsx_mov<mode>_32bit): Likewise.

2018-03-29  Sebastian Peryt  <sebastian.peryt@intel.com>

	PR c++/84783
	* config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
	(_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.

2018-03-29  Sudakshina Das  <sudi.das@arm.com>

	Backport from mainline
	2018-03-22  Sudakshina Das  <sudi.das@arm.com>

	PR target/84826
	* config/arm/arm.h (machine_function): Add static_chain_stack_bytes.
	* config/arm/arm.c (arm_compute_static_chain_stack_bytes): Avoid
	re-computing once computed.
	(arm_expand_prologue): Compute machine->static_chain_stack_bytes.
	(arm_init_machine_status): Initialize
	machine->static_chain_stack_bytes.

2018-03-28  Sudakshina Das  <sudi.das@arm.com>

	2018-03-19  Sudakshina Das  <sudi.das@arm.com>
	PR target/81647

	* config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Modify
	instructions for UNLT, UNLE, UNGT, UNGE, UNEQ, UNORDERED and ORDERED.

2018-03-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	2018-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/85026
	* config/arm/arm.md (unaligned_loadhis): Remove first alternative.
	Clean up attributes.

2018-03-28  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2018-03-08  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/82411
	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Don't put
	readonly data in sdata, if that is disabled.
	* config/rs6000/sysv4.opt (mreadonly-in-sdata): New option.
	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
	-mreadonly-in-sdata option.

2018-03-27  Sudakshina Das  <sudi.das@arm.com>

	Backport from mainline:
	2018-03-20  Sudakshina Das  <sudi.das@arm.com>

	PR target/82989
	* config/arm/neon.md (ashldi3_neon): Update ?s for constraints
	to favor GPR over NEON registers.
	(<shift>di3_neon): Likewise.

2018-03-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	2018-03-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/82518
	* config/arm/arm.c (arm_array_mode_supported_p): Return false for
	BYTES_BIG_ENDIAN.

2018-03-23  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-03-20  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/83789
	* config/rs6000/altivec.md (altivec_lvx_<mode>_2op): Delete define_insn.
	(altivec_lvx_<mode>_1op): Likewise.
	(altivec_stvx_<mode>_2op): Likewise.
	(altivec_stvx_<mode>_1op): Likewise.
	(altivec_lvx_<VM2:mode>): New define_expand.
	(altivec_stvx_<VM2:mode>): Likewise.
	(altivec_lvx_<VM2:mode>_2op_<P:mptrsize>): New define_insn.
	(altivec_lvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
	(altivec_stvx_<VM2:mode>_2op_<P:mptrsize>): Likewise.
	(altivec_stvx_<VM2:mode>_1op_<P:mptrsize>): Likewise.
	* config/rs6000/rs6000.c (altivec_expand_lv_builtin): Likewise.
	(altivec_expand_stv_builtin): Likewise.
	(altivec_expand_builtin): Likewise.
	* config/rs6000/vector.md: Likewise.

2018-03-23  Carl Love  <cel@us.ibm.com>

	Backport from mainline:
	2018-03-14  Carl Love  <cel@us.ibm.com>

	* config/rs6000/r6000.c (rtx_is_swappable_p): Add case UNSPEC_VPERMXOR.

2018-03-22  Tom de Vries  <tom@codesourcery.com>

	backport from trunk:
	2018-03-22  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/84956
	* tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with
	bb_has_abnormal_pred.

2018-03-19  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-03-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/84574
	* config/i386/i386.c (indirect_thunk_needed): Update comments.
	(indirect_thunk_bnd_needed): Likewise.
	(indirect_thunks_used): Likewise.
	(indirect_thunks_bnd_used): Likewise.
	(indirect_return_needed): New.
	(indirect_return_bnd_needed): Likewise.
	(output_indirect_thunk_function): Add a bool argument for
	function return.
	(output_indirect_thunk_function): Don't generate alias for
	function return thunk.
	(ix86_code_end): Call output_indirect_thunk_function to generate
	function return thunks.
	(ix86_output_function_return): Set indirect_return_bnd_needed
	and indirect_return_needed instead of indirect_thunk_bnd_needed
	and indirect_thunk_needed.

2018-03-14  John David Anglin  <danglin@gcc.gnu.org>

	PR target/83451
	* config/pa/pa.c (pa_emit_move_sequence):  Always emit secondary reload
	insn for floating-point loads and stores.

2018-03-12  Jonathan Wakely  <jwakely@redhat.com>

	* doc/invoke.texi (-mclflushopt): Fix spelling of option.

2018-03-12  Richard Sandiford  <richard.sandiford@linaro.org>

	PR tree-optimization/84485
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Return
	true for zero dependence distances if the step might be zero,
	and if there is no metadata that guarantees correctness.
	(vect_analyze_data_ref_access): Check safelen as well as
	force_vectorize.

2018-03-11  John David Anglin  <danglin@gcc.gnu.org>

	Backport from mainline
	2018-02-14  John David Anglin  <danglin@gcc.gnu.org>

	PR target/83984
	* config/pa/pa.md: Load address of PIC label using the linkage table
	if the label is nonlocal.

	Backport from mainline
	2018-03-06  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.h (ASM_GENERATE_INTERNAL_LABEL): Revise to use
	sprint_ul.
	(ASM_OUTPUT_ADDR_VEC_ELT): Revise for above change.
	(ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
	* config/pa/pa64-hpux.h (ASM_GENERATE_INTERNAL_LABEL): Revise as above.

2018-03-09  Kugan Vivekanandarajah  <kuganv@linaro.org>

	Backport from mainline
	2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
	Disable pc relative literal load irrespective of
	TARGET_FIX_ERR_A53_84341 for default.

2018-03-06  Denis Chertykov  <chertykov@gmail.com>

	Backport from mainline
	2018-02-07  Georg-Johann Lay  <avr@gjlay.de>

	PR target/84209
	* config/avr/avr.h (GENERAL_REGNO_P, GENERAL_REG_P): New macros.
	* config/avr/avr.md: Only post-reload split REG-REG moves if
	either register is GENERAL_REG_P.

2018-03-06  Carl Love  <cel@us.ibm.com>

	Backport from mainline
	2/16/18  commit 257748  Carl Love  <cel@us.ibm.com>

	* config/rs6000/altivec.h: Remove vec_vextract4b and vec_vinsert4b.
	* config/rs6000/rs6000-builtin.def: Remove macro expansion for
	VINSERT4B_DI and VINSERT4B.
	* config/rs6000/rs6000.c: Remove case statements for
	P9V_BUILTIN_VINSERT4B, P9V_BUILTIN_VINSERT4B_DI,
	and P9V_BUILTIN_VEC_VINSERT4B.
	* config/rs6000/rs6000-c.c (altivec_expand_builtin): Remove entries for
	P9V_BUILTIN_VEC_VEXTRACT4B and P9V_BUILTIN_VEC_VINSERT4B.
	* config/rs6000/vsx.md:  Remove define_expand vinsert4b,
	define_insn *vinsert4b_internal, define_insn "*vinsert4b_di_internal.
	* doc/extend.texi: Remove vec_vextract4b, non ABI definitions for
	vec_insert4b.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-20  Martin Liska  <mliska@suse.cz>

	PR c/84310
	PR target/79747
	* final.c (shorten_branches): Build align_tab array with one
	more element.
	* opts.c (finish_options): Add alignment option limit check.
	(MAX_CODE_ALIGN): Likewise.
	(MAX_CODE_ALIGN_VALUE): Likewise.
	* doc/invoke.texi: Document maximum allowed option value for
	all -falign-* options.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-19  Martin Liska  <mliska@suse.cz>

	PR other/80589
	* doc/invoke.texi: Fix typo.
	* params.def (PARAM_MAX_LOOP_HEADER_INSNS): Likewise.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-05  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/84137
	* doc/gcov.texi: Fix typo in documentation.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-05  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/83879
	* doc/gcov.texi: Document necessity of --dynamic-list-data when
	using dlopen functionality.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-12-19  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/82675
	* loop-unroll.c (unroll_loop_constant_iterations): Allocate one
	more element in sbitmap.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-03-05  Martin Liska  <mliska@suse.cz>

	* ipa-utils.c (ipa_merge_profiles): Do not merge alias or
	a function without profile.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-21  Jan Hubicka  <hubicka@ucw.cz>

	PR c/84229
	* ipa-cp.c (determine_versionability): Do not version functions caling
	va_arg_pack.

2018-03-06  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-02-08  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/81360
	* cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare
	* symtab.c: Include builtins.h
	(symtab_node::output_to_lto_symbol_table_p): Move here
	from lto-streamer-out.c:output_symbol_p.
	* lto-streamer-out.c (write_symbol): Turn early exit to assert.
	(output_symbol_p): Move all logic to symtab.c
	(produce_symtab): Update.

2018-03-06  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2018-02-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/81572
	* lra-int.h (LRA_UNKNOWN_ALT, LRA_NON_CLOBBERED_ALT): New macros.
	* lra.c (lra_set_insn_recog_data, lra_update_insn_recog_data): Use
	LRA_UNKNOWN_ALT.
	* lra-constraints.c (curr_insn_transform): Set up
	LRA_NON_CLOBBERED_ALT for moves processed on the fast path.  Use
	LRA_UNKNOWN_ALT.
	(remove_inheritance_pseudos): Use LRA_UNKNOWN_ALT.
	* lra-eliminations.c (spill_pseudos): Ditto.
	(process_insn_for_elimination): Ditto.
	* lra-lives.c (reg_early_clobber_p): Use the new macros.
	* lra-spills.c (spill_pseudos): Use LRA_UNKNOWN_ALT and
	LRA_NON_CLOBBERED_ALT.

2018-03-06  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-03-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84486
	* tree-ssa-pre.c (create_expression_by_pieces): Remove dead code.
	When inserting a __builtin_assume_aligned call set the LHS
	SSA name alignment info accordingly.

	2018-02-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/84607
	* genmatch.c (capture_info::walk_match): Do not mark
	captured expressions without operands as expr_p given
	they act more like predicates and should be subject to
	"lost tail" side-effect preserving.

2018-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/84524
	* config/i386/sse.md (*<code><mode>3): Replace <mask_prefix3> with
	orig,vex.
	(*<plusminus_insn><mode>3): Likewise.  Remove <mask_operand3> uses.

2018-03-03  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2018-03-02  Jakub Jelinek  <jakub@redhat.com>
		    Richard Biener  <rguenther@suse.de>

	PR ipa/84628
	* expr.c (expand_expr_real_1) <case CALL_EXPR>: Don't emit diagnostics
	for error or warning attributes if CALL_FROM_THUNK_P is set.
	Formatting fixes.

	2018-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/84625
	* config/i386/i386.c (ix86_print_operand): Use conditional
	output_operand_lossage instead of gcc_assert if CONST_VECTOR is not
	zero vector.

	2018-02-23  Jakub Jelinek  <jakub@redhat.com>

	* ipa-prop.c (ipa_vr_ggc_hash_traits::hash): Hash p->min and
	p->max as pointers rather than using iterative_hash_expr.

	2017-11-10  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/82916
	* gimple-ssa-store-merging.c
	(pass_store_merging::terminate_all_aliasing_chains): For
	gimple_store_p stmts also call refs_output_dependent_p.

	2018-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR c++/84444
	* builtins.c (builtin_mathfn_code): Don't check if CALL_EXPR_FN (t)
	is ADDR_EXPR.

	2018-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/84425
	* ipa-inline.c (inline_small_functions): Fix a typo.

	2018-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/82210
	* stor-layout.c (place_field): For variable length fields, adjust
	offset_align afterwards not just based on the field's alignment,
	but also on the size.

	2018-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/83987
	* omp-low.c (maybe_remove_omp_member_access_dummy_vars,
	remove_member_access_dummy_vars): New functions.
	(lower_omp_for, lower_omp_taskreg, lower_omp_target,
	lower_omp_1, execute_lower_omp): Use them.

	PR rtl-optimization/84308
	* shrink-wrap.c (spread_components): Release todo vector.

	2018-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/84285
	* gcc.c (STATIC_LIBASAN_LIBS, STATIC_LIBTSAN_LIBS,
	STATIC_LIBLSAN_LIBS, STATIC_LIBUBSAN_LIBS): Handle -static like
	-static-lib*san.

	2018-02-09  Marek Polacek  <polacek@redhat.com>
		    Jakub Jelinek  <jakub@redhat.com>

	PR c++/83659
	* fold-const.c (fold_indirect_ref_1): Use VECTOR_TYPE_P macro.
	Formatting fixes.  Verify first that tree_fits_shwi_p (op01).
	Sync some changes from cxx_fold_indirect_ref.

	2018-02-07  Jakub Jelinek  <jakub@redhat.com>

	* tree-eh.c (operation_could_trap_helper_p): Ignore honor_trapv for
	*DIV_EXPR and *MOD_EXPR.

	2018-02-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/81661
	PR tree-optimization/84117
	* tree-eh.h (rewrite_to_non_trapping_overflow): Declare.
	* tree-eh.c: Include gimplify.h.
	(find_trapping_overflow, replace_trapping_overflow,
	rewrite_to_non_trapping_overflow): New functions.
	* tree-vect-loop.c: Include tree-eh.h.
	(vect_get_loop_niters): Use rewrite_to_non_trapping_overflow.

	2018-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/83986
	* sched-deps.c (sched_analyze_insn): For frame related insns, add anti
	dependence against last_pending_memory_flush in addition to
	pending_jump_insns.

	2018-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/84040
	* sched-deps.c (sched_macro_fuse_insns): Return immediately if
	!insn_set.

	2018-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/83977
	* tree-inline.c (tree_function_versioning): Remove "omp declare simd"
	attributes from DECL_ATTRIBUTES (new_decl) without affecting
	DECL_ATTRIBUTES (old_decl).

	2018-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/83945
	* tree-emutls.c: Include gimplify.h.
	(lower_emutls_2): New function.
	(lower_emutls_1): If ADDR_EXPR is a gimple invariant and walk_tree
	with lower_emutls_2 callback finds some TLS decl in it, unshare_expr
	it before further processing.

	PR target/83930
	* simplify-rtx.c (simplify_binary_operation_1) <case UMOD>: Use
	UINTVAL (trueop1) instead of INTVAL (op1).

	2018-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/83722
	* gcc.c (try_generate_repro): Pass
	&temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than
	&temp_stdout_files[RETRY_ICE_ATTEMPTS - 1] as last argument to
	do_report_bug.

	2018-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/83605
	* gimple-ssa-strength-reduction.c: Include tree-eh.h.
	(find_candidates_dom_walker::before_dom_children): Ignore stmts that
	can throw.

2018-03-01  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/84039
	* config/i386/constraints.md (Bs): Replace
	ix86_indirect_branch_register with
	TARGET_INDIRECT_BRANCH_REGISTER.
	(Bw): Likewise.
	* config/i386/i386.md (indirect_jump): Likewise.
	(tablejump): Likewise.
	(*sibcall_memory): Likewise.
	(*sibcall_value_memory): Likewise.
	Peepholes of indirect call and jump via memory: Likewise.
	(*sibcall_GOT_32): Disallowed for TARGET_INDIRECT_BRANCH_REGISTER.
	(*sibcall_value_GOT_32): Likewise.
	* config/i386/predicates.md (indirect_branch_operand): Likewise.
	(GOT_memory_operand): Likewise.
	(call_insn_operand): Likewise.
	(sibcall_insn_operand): Likewise.
	(GOT32_symbol_operand): Likewise.
	* config/i386/i386.h (TARGET_INDIRECT_BRANCH_REGISTER): New.

2018-03-01  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_output_indirect_jmp): Update comments.

	2018-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/84530
	* config/i386/i386-protos.h (ix86_output_indirect_jmp): Remove
	the bool argument.
	(ix86_output_indirect_function_return): New prototype.
	(ix86_split_simple_return_pop_internal): Likewise.
	* config/i386/i386.c (indirect_return_via_cx): New.
	(indirect_return_via_cx_bnd): Likewise.
	(indirect_thunk_name): Handle return va CX_REG.
	(output_indirect_thunk_function): Create alias for
	__x86_return_thunk_[re]cx and __x86_return_thunk_[re]cx_bnd.
	(ix86_output_indirect_jmp): Remove the bool argument.
	(ix86_output_indirect_function_return): New function.
	(ix86_split_simple_return_pop_internal): Likewise.
	* config/i386/i386.md (*indirect_jump): Don't pass false
	to ix86_output_indirect_jmp.
	(*tablejump_1): Likewise.
	(simple_return_pop_internal): Change it to define_insn_and_split.
	Call ix86_split_simple_return_pop_internal to split it for
	-mfunction-return=.
	(simple_return_indirect_internal): Call
	ix86_output_indirect_function_return instead of
	ix86_output_indirect_jmp.

2017-03-02  Thomas Schwinge  <thomas@codesourcery.com>

	Backport from trunk r256891:
	2018-01-19  Cesar Philippidis  <cesar@codesourcery.com>

	PR target/83790
	* config/nvptx/nvptx.c (output_init_frag): Don't use generic address
	spaces for function labels.

2018-02-26  Carl Love  <cel@us.ibm.com>

	Backport from mainline: commit 257747 on 2018-02-16.

	* config/rs6000/altivec.h: Add builtin names vec_extract4b
	vec_insert4b.
	* config/rs6000/rs6000-builtin.def: Add INSERT4B and EXTRACT4B
	definitions.
	* config/rs6000/rs6000-c.c: Add the definitions for
	P9V_BUILTIN_VEC_EXTRACT4B and P9V_BUILTIN_VEC_INSERT4B.
	* config/rs6000/rs6000.c (altivec_expand_builtin): Add
	P9V_BUILTIN_EXTRACT4B and P9V_BUILTIN_INSERT4B case statements.
	* config/rs6000/vsx.md: Add define_insn extract4b.  Add define_expand
	definition for insert4b and define insn *insert3b_internal.
	* doc/extend.texi: Add documentation for vec_extract4b.

2018-02-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/83496
	* reorg.c (steal_delay_list_from_target): Change REDUNDANT array from
	booleans to RTXes.  Call fix_reg_dead_note on every non-null element.
	(steal_delay_list_from_fallthrough): Call fix_reg_dead_note on a
	redundant insn, if any.
	(relax_delay_slots): Likewise.
	(update_reg_unused_notes): Rename REDUNDANT_INSN to OTHER_INSN.

2018-02-22  Sudakshina Das  <sudi.das@arm.com>
	    Bin Cheng  <bin.cheng@arm.com>

	Backport from mainline:
	2017-12-14  Sudakshina Das  <sudi.das@arm.com>
		    Bin Cheng  <bin.cheng@arm.com>

	PR target/81228
	* config/aarch64/aarch64.c (aarch64_select_cc_mode): Move LTGT to
	CCFPEmode.
	* config/aarch64/aarch64-simd.md (vec_cmp<mode><v_cmp_result>): Add
	LTGT.

2018-02-16  Jozef Lawrynowicz <jozefl.gcc@gmail.com>

	PR target/79242
	* machmode.def: Define a complex mode for PARTIAL_INT.
	* genmodes.c (complex_class): Return MODE_COMPLEX_INT for
	MODE_PARTIAL_INT.
	* doc/rtl.texi: Document CSPImode.
	* config/msp430/msp430.c (msp430_hard_regno_nregs): Add CPSImode
	handling.
	(msp430_hard_regno_nregs_with_padding): Likewise.

2018-02-16  Sudakshina Das  <sudi.das@arm.com>

	Backport from trunk
	2018-01-10  Sudakshina Das  <sudi.das@arm.com>

	PR target/82096
	* expmed.c (emit_store_flag_force): Swap if const op0
	and change VOIDmode to mode of op0.

2018-02-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84190
	* tree-ssa.c (non_rewritable_mem_ref_base): Do not touch
	volatile accesses if the decl isn't volatile.

2018-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2018-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/84154
	* config/rs6000/rs6000.md (fix_trunc<SFDF:mode><QHI:mode>2):
	Convert from define_expand to be define_insn_and_split.  Rework
	float/double/_Float128 conversions to QI/HI/SImode to work with
	both ISA 2.07 (power8) or ISA 3.0 (power9).  Fix regression where
	conversions to QI/HImode types did a store and then a load to
	truncate the value.  For conversions to VSX registers, don't split
	the insn, instead emit the code directly.  Use the code iterator
	any_fix to combine signed and unsigned conversions.
	(fix<uns>_trunc<SFDF:mode>si2_p8): Likewise.
	(fixuns_trunc<SFDF:mode><QHI:mode>2): Likewise.
	(fix_trunc<IEEE128:mode><QHI:mode>2): Likewise.
	(fix<uns>_trunc<SFDF:mode><QHI:mode>2): Likewise.
	(fix_<mode>di2_hw): Likewise.
	(fixuns_<mode>di2_hw): Likewise.
	(fix_<mode>si2_hw): Likewise.
	(fixuns_<mode>si2_hw): Likewise.
	(fix<uns>_<IEEE128:mode><SDI:mode>2_hw): Likewise.
	(fix<uns>_trunc<IEEE128:mode><QHI:mode>2): Likewise.
	(fctiw<u>z_<mode>_smallint): Rename fctiw<u>z_<mode>_smallint to
	fix<uns>_trunc<SFDF:mode>si2_p8.
	(fix_trunc<SFDF:mode><QHI:mode>2_internal): Delete, no longer
	used.
	(fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
	(fix<uns>_<mode>_mem): Likewise.
	(fctiw<u>z_<mode>_mem): Likewise.
	(fix<uns>_<mode>_mem): Likewise.
	(fix<uns>_trunc<SFDF:mode><QHSI:mode>2_mem): On ISA 3.0, prevent
	the register allocator from doing a direct move to the GPRs to do
	a store, and instead use the ISA 3.0 store byte/half-word from
	vector register instruction.  For IEEE 128-bit floating point,
	also optimize stores of 32-bit ints.
	(fix<uns>_trunc<IEEE128:mode><QHSI:mode>2_mem): Likewise.

2018-02-15  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	Back port from mainline
	2018-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/83758
	* config/rs6000/rs6000.c (rs6000_internal_arg_pointer): Only return
	a reg rtx.

2018-02-14  Peter Bergner  <bergner@vnet.ibm.com>

	Back port from mainline
	2018-02-13  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/84279
	* config/rs6000/rs6000.c (mem_operand_gpr): Disallow altivec addresses.

2018-02-14  Martin Jambor  <mjambor@suse.cz>

	PR c++/83990
	* ipa-prop.c (ipa_modify_call_arguments): Use location of call
	statements, also set location of a load to a temporary.

2018-02-10  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.c (hppa_profile_hook): Mark SYMBOL_REF for _mcount as
	function label.

	Backport from mainline
	2018-02-01  Aldy Hernandez  <aldyh@redhat.com>

	PR target/84089
	* config/pa/predicates.md (base14_operand): Handle VOIDmode.

2018-02-09  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2018-02-08  Martin Jambor  <mjambor@suse.cz>

	* hsa-gen.c (get_symbol_for_decl): Set program allocation for
	static local variables.

2018-02-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2018-02-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/PR84295
	* config/s390/s390.c (s390_set_current_function): Invoke
	s390_indirect_branch_settings also if fndecl didn't change.

2018-02-08  Iain Sandoe  <iain@codesourcery.com>

	PR target/84113
	* config/rs6000/altivec.md (*restore_world): Remove LR use.
	* config/rs6000/predicates.md (restore_world_operation): Adjust op
	count, remove one USE.

2018-02-08  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2018-02-08  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-opts.h (enum indirect_branch): Define.
	* config/s390/s390-protos.h (s390_return_addr_from_memory)
	(s390_indirect_branch_via_thunk)
	(s390_indirect_branch_via_inline_thunk): Add function prototypes.
	(enum s390_indirect_branch_type): Define.
	* config/s390/s390.c (struct s390_frame_layout, struct
	machine_function): Remove.
	(indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask)
	(indirect_branch_table_label_no, indirect_branch_table_name):
	Define variables.
	(INDIRECT_BRANCH_NUM_OPTIONS): Define macro.
	(enum s390_indirect_branch_option): Define.
	(s390_return_addr_from_memory): New function.
	(s390_handle_string_attribute): New function.
	(s390_attribute_table): Add new attribute handler.
	(s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns.
	(s390_indirect_branch_via_thunk): New function.
	(s390_indirect_branch_via_inline_thunk): New function.
	(s390_function_ok_for_sibcall): When jumping via thunk disallow
	sibling call optimization for non z10 compiles.
	(s390_emit_call): Force indirect branch target to be a single
	register.  Add r1 clobber for non-z10 compiles.
	(s390_emit_epilogue): Emit return jump via return_use expander.
	(s390_reorg): Handle JUMP_INSNs as execute targets.
	(s390_option_override_internal): Perform validity checks for the
	new command line options.
	(s390_indirect_branch_attrvalue): New function.
	(s390_indirect_branch_settings): New function.
	(s390_set_current_function): Invoke s390_indirect_branch_settings.
	(s390_output_indirect_thunk_function):  New function.
	(s390_code_end): Implement target hook.
	(s390_case_values_threshold): Implement target hook.
	(TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target
	macros.
	* config/s390/s390.h (struct s390_frame_layout)
	(struct	machine_function): Move here from s390.c.
	(TARGET_INDIRECT_BRANCH_NOBP_RET)
	(TARGET_INDIRECT_BRANCH_NOBP_JUMP)
	(TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK)
	(TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK)
	(TARGET_INDIRECT_BRANCH_NOBP_CALL)
	(TARGET_DEFAULT_INDIRECT_BRANCH_TABLE)
	(TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL)
	(TARGET_INDIRECT_BRANCH_THUNK_NAME_EX)
	(TARGET_INDIRECT_BRANCH_TABLE): Define macros.
	* config/s390/s390.md (UNSPEC_EXECUTE_JUMP)
	(INDIRECT_BRANCH_THUNK_REGNUM): Define constants.
	(mnemonic attribute): Add values which aren't recognized
	automatically.
	("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable
	pattern for branch conversion.  Fix mnemonic attribute.
	("*c<code>", "*sibcall_br", "*sibcall_value_br", "*return"): Emit
	indirect branch via thunk if requested.
	("indirect_jump", "<code>"): Expand patterns for branch conversion.
	("*indirect_jump"): Disable for branch conversion using out of
	line thunks.
	("indirect_jump_via_thunk<mode>_z10")
	("indirect_jump_via_thunk<mode>")
	("indirect_jump_via_inlinethunk<mode>_z10")
	("indirect_jump_via_inlinethunk<mode>", "*casesi_jump")
	("casesi_jump_via_thunk<mode>_z10", "casesi_jump_via_thunk<mode>")
	("casesi_jump_via_inlinethunk<mode>_z10")
	("casesi_jump_via_inlinethunk<mode>", "*basr_via_thunk<mode>_z10")
	("*basr_via_thunk<mode>", "*basr_r_via_thunk_z10")
	("*basr_r_via_thunk", "return<mode>_prez10"): New pattern.
	("*indirect2_jump"): Disable for branch conversion.
	("casesi_jump"): Turn into expander and expand patterns for branch
	conversion.
	("return_use"): New expander.
	("*return"): Emit return via thunk and rename it to ...
	("*return<mode>"): ... this one.
	* config/s390/s390.opt: Add new options and and enum for the
	option values.

2018-02-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84233
	* tree-ssa-phiprop.c (propagate_with_phi): Use separate
	changed flag instead of boguously re-using phi_inserted.

2018-02-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2018-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal):
	Display warning message for -mno-speculate-indirect-jumps.

2018-02-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline
	2018-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/84017
	* configure.ac (gcc_cv_as_shf_merge): Disable on Solaris 10/x86.
	* configure: Regenerate.

2018-02-05  Peter Bergner  <bergner@vnet.ibm.com>

	Back port from mainline
	2018-02-01  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/56010
	PR target/83743
	* config/rs6000/driver-rs6000.c: #include "diagnostic.h".
	#include "opts.h".
	(rs6000_supported_cpu_names): New static variable.
	(linux_cpu_translation_table): Likewise.
	(elf_platform) <cpu>: Define new static variable and use it.
	Translate kernel AT_PLATFORM name to canonical name if needed.
	Error if platform name is unknown.

2018-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_output_function_return): Pass
	INVALID_REGNUM, instead of -1, as invalid register number to
	indirect_thunk_name and output_indirect_thunk.

2018-02-01  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-01-31  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/84123
	* combine.c (change_zero_ext): Check if hard register satisfies
	can_change_dest_mode before calling gen_lowpart_SUBREG.

2018-02-01  Renlin Li  <renlin.li@arm.com>

	Backport from mainline
	2018-02-01  Renlin Li  <renlin.li@arm.com>

	PR target/83370
	* config/aarch64/aarch64.c (aarch64_class_max_nregs): Handle
	TAILCALL_ADDR_REGS.
	(aarch64_register_move_cost): Likewise.
	* config/aarch64/aarch64.h (reg_class): Rename CALLER_SAVE_REGS to
	TAILCALL_ADDR_REGS.
	(REG_CLASS_NAMES): Likewise.
	(REG_CLASS_CONTENTS): Rename CALLER_SAVE_REGS to
	TAILCALL_ADDR_REGS. Remove IP registers.
	* config/aarch64/aarch64.md (Ucs): Update register constraint.

2018-02-01  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-11-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82795
	* tree-if-conv.c (predicate_mem_writes): Remove bogus assert.

2018-01-31  Richard Biener <rguenther@suse.de>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from mainline
	2018-01-29  Richard Biener <rguenther@suse.de>
		    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR bootstrap/80867
	* tree-vect-stmts.c (vectorizable_call): Don't call
	targetm.vectorize_builtin_md_vectorized_function if callee is
	NULL.

2018-01-31  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/84071
	* doc/tm.texi.in (WORD_REGISTER_OPERATIONS): Add explicit case.
	* doc/tm.texi: Regenerate.

2018-01-31  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/84071
	* combine.c (record_dead_and_set_regs_1): Record the source unmodified
	for a paradoxical SUBREG on a WORD_REGISTER_OPERATIONS target.

2018-01-29  Joseph Myers  <joseph@codesourcery.com>

	Backport from mainline
	2018-01-24  Joseph Myers  <joseph@codesourcery.com>

	PR target/68467
	* config/m68k/m68k.c (m68k_promote_function_mode): New function.
	(TARGET_PROMOTE_FUNCTION_MODE): New macro.

2018-01-29  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-01-26  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81763
	* config/i386/i386.md (*andndi3_doubleword): Add earlyclobber
	to (=&r,r,rm) alternative. Add (=r,0,rm) and (=r,r,0) alternatives.

2018-01-29  Alan Modra  <amodra@gmail.com>

	Backport from mainline
	2018-01-26  Alan Modra  <amodra@gmail.com>
	PR target/84033
	* config/rs6000/rs6000.c (rtx_is_swappable_p): Exclude
	UNSPEC_VBPERMQ.

2018-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/invoke.texi: Replace -mfunction-return==@var{choice} with
	-mfunction-return=@var{choice}.

2018-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/83905
	* config/i386/i386.c (ix86_expand_prologue): Use cost reference
	of struct ix86_frame.
	(ix86_expand_epilogue): Likewise.  Add a local variable for
	the reg_save_offset field in struct ix86_frame.

2018-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/83985
	* dce.c (deletable_insn_p): Return false for separate shrink wrapping
	REG_CFA_RESTORE insns.
	(delete_unmarked_insns): Don't ignore separate shrink wrapping
	REG_CFA_RESTORE insns here.

2018-01-25  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-01-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (indirect_thunk_name): Declare regno
	as unsigned int.  Compare regno with INVALID_REGNUM.
	(output_indirect_thunk): Ditto.
	(output_indirect_thunk_function): Ditto.
	(ix86_code_end): Declare regno as unsigned int.  Use INVALID_REGNUM
	in the call to output_indirect_thunk_function.

2018-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2018-01-22  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/83862
	* config/rs6000/rs6000-protos.h (rs6000_split_signbit): Delete,
	no longer used.
	* config/rs6000/rs6000.c (rs6000_split_signbit): Likewise.
	* config/rs6000/rs6000.md (signbit<mode>2): Change code for IEEE
	128-bit to produce an UNSPEC move to get the double word with the
	signbit and then a shift directly to do signbit.
	(signbit<mode>2_dm): Replace old IEEE 128-bit signbit
	implementation with a new version that just does either a direct
	move or a regular move.  Move memory interface to separate insns.
	Move insns so they are next to the expander.
	(signbit<mode>2_dm_mem_be): New combiner insns to combine load
	with signbit move.  Split big and little endian case.
	(signbit<mode>2_dm_mem_le): Likewise.
	(signbit<mode>2_dm_<su>ext): Delete, no longer used.
	(signbit<mode>2_dm2): Likewise.

2018-01-25  Peter Bergner  <bergner@vnet.ibm.com>

	Back port from mainline
	2018-01-10  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/83399
	* config/rs6000/rs6000.c (print_operand) <'y'>: Use
	VECTOR_MEM_ALTIVEC_OR_VSX_P.
	* config/rs6000/vsx.md (*vsx_le_perm_load_<mode> for VSX_D): Use
	indexed_or_indirect_operand predicate.
	(*vsx_le_perm_load_<mode> for VSX_W): Likewise.
	(*vsx_le_perm_load_v8hi): Likewise.
	(*vsx_le_perm_load_v16qi): Likewise.
	(*vsx_le_perm_store_<mode> for VSX_D): Likewise.
	(*vsx_le_perm_store_<mode> for VSX_W): Likewise.
	(*vsx_le_perm_store_v8hi): Likewise.
	(*vsx_le_perm_store_v16qi): Likewise.
	(eight unnamed splitters): Likewise.

2018-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2018-01-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-p8swap.c (swap_feeds_both_load_and_store):
	New function.
	(rs6000_analyze_swaps): Mark a web unoptimizable if it contains a
	swap associated with both a load and a store.

2018-01-25  Richard Biener  <rguenther@suse.de>

	* BASE-VER: Increment to 7.3.1.

2018-01-25  Release Manager

	* GCC 7.3.0 released.

2018-01-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/81443
	* rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
	from inner REGs to paradoxical SUBREGs.

2018-01-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2018-01-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
		    David Edelsohn  <dje.gcc@gmail.com>

	PR target/83946
	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
	Change "crset eq" to "crset 2".
	(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
	(*call_indirect_aix<mode>_nospec): Likewise.
	(*call_value_indirect_aix<mode>_nospec): Likewise.
	(*call_indirect_elfv2<mode>_nospec): Likewise.
	(*call_value_indirect_elfv2<mode>_nospec): Likewise.
	(*sibcall_nonlocal_sysv<mode>): Change "crset eq" to "crset 2";
	change assembly output from . to $.
	(*sibcall_value_nonlocal_sysv<mode>): Likewise.
	(indirect_jump<mode>_nospec): Change assembly output from . to $.
	(*tablejump<mode>_internal1_nospec): Likewise.

2018-01-21  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2018-01-21  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/80870
	* config/sh/sh_optimize_sett_clrt.cc:
	Use INCLUDE_ALGORITHM and INCLUDE_VECTOR instead of direct includes.

2018-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2018-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_opt_vars): Add entry for
	-mspeculate-indirect-jumps.
	* config/rs6000/rs6000.md (*call_indirect_elfv2<mode>): Disable
	for -mno-speculate-indirect-jumps.
	(*call_indirect_elfv2<mode>_nospec): New define_insn.
	(*call_value_indirect_elfv2<mode>): Disable for
	-mno-speculate-indirect-jumps.
	(*call_value_indirect_elfv2<mode>_nospec): New define_insn.
	(indirect_jump): Emit different RTL for
	-mno-speculate-indirect-jumps.
	(*indirect_jump<mode>): Disable for
	-mno-speculate-indirect-jumps.
	(*indirect_jump<mode>_nospec): New define_insn.
	(tablejump): Emit different RTL for
	-mno-speculate-indirect-jumps.
	(tablejumpsi): Disable for -mno-speculate-indirect-jumps.
	(tablejumpsi_nospec): New define_expand.
	(tablejumpdi): Disable for -mno-speculate-indirect-jumps.
	(tablejumpdi_nospec): New define_expand.
	(*tablejump<mode>_internal1): Disable for
	-mno-speculate-indirect-jumps.
	(*tablejump<mode>_internal1_nospec): New define_insn.
	* config/rs6000/rs6000.opt (mspeculate-indirect-jumps): New
	option.

	Backport from mainline
	2018-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):
	Generate different code for -mno-speculate-indirect-jumps.
	(*call_value_indirect_nonlocal_sysv<mode>): Likewise.
	(*call_indirect_aix<mode>): Disable for
	-mno-speculate-indirect-jumps.
	(*call_indirect_aix<mode>_nospec): New define_insn.
	(*call_value_indirect_aix<mode>): Disable for
	-mno-speculate-indirect-jumps.
	(*call_value_indirect_aix<mode>_nospec): New define_insn.
	(*sibcall_nonlocal_sysv<mode>): Generate different code for
	-mno-speculate-indirect-jumps.
	(*sibcall_value_nonlocal_sysv<mode>): Likewise.

2018-01-17  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-12-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81877
	* tree-ssa-loop-im.c (ref_indep_loop_p): Remove safelen parameters.
	(outermost_indep_loop): Adjust.
	(ref_indep_loop_p_1): Likewise.  Remove safelen handling again.
	(can_sm_ref_p): Adjust.

	2017-12-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/81782
	* tree-ssa-uninit.c (warn_uninitialized_vars): Properly
	handle accesses outside of zero-sized vars.

2018-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mailine
	2018-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/83687
	* config/arm/iterators.md (VF): New mode iterator.
	* config/arm/neon.md (neon_vabd<mode>_2): Use the above.
	Remove integer-related logic from pattern.
	(neon_vabd<mode>_3): Likewise.

2018-01-17  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-01-04  Martin Liska  <mliska@suse.cz>

	PR ipa/82352
	* ipa-icf.c (sem_function::merge): Do not cross comdat boundary.

2018-01-17  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2018-01-03  Martin Liska  <mliska@suse.cz>

	PR ipa/83549
	* cif-code.def (VARIADIC_THUNK): New enum value.
	* ipa-inline-analysis.c (compute_inline_parameters):
	Do not inline variadic thunks.

2018-01-17  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-12-27  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/83552
	* tree-ssa-strlen.c (fold_strstr_to_strncmp): Assign result
	of get_string_lenth to a SSA_NAME if not a GIMPLE value.

2018-01-16  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2017-12-18  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/83424
	* rtlanal.c (dead_or_set_regno_p): Handle CLOBBER just like SET.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_prologue): Don't use reference
	of struct ix86_frame.
	(ix86_expand_epilogue): Likewise.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_set_indirect_branch_type): Disallow
	-mcmodel=large with -mindirect-branch=thunk,
	-mindirect-branch=thunk-extern, -mfunction-return=thunk and
	-mfunction-return=thunk-extern.
	* doc/invoke.texi: Document -mcmodel=large is incompatible with
	-mindirect-branch=thunk, -mindirect-branch=thunk-extern,
	-mfunction-return=thunk and -mfunction-return=thunk-extern.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (print_reg): Print the name of the full
	integer register without '%'.
	(ix86_print_operand): Handle 'V'.
	 * doc/extend.texi: Document 'V' modifier.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/predicates.md (indirect_branch_operand): Rewrite
	ix86_indirect_branch_register logic.

	Backport from mainline
	2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/constraints.md (Bs): Update
	ix86_indirect_branch_register check.  Don't check
	ix86_indirect_branch_register with GOT_memory_operand.
	(Bw): Likewise.
	* config/i386/predicates.md (GOT_memory_operand): Don't check
	ix86_indirect_branch_register here.
	(GOT32_symbol_operand): Likewise.

	Backport from mainline
	2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/predicates.md (constant_call_address_operand):
	Rewrite ix86_indirect_branch_register logic.
	(sibcall_insn_operand): Likewise.

	Backport from mainline
	2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/constraints.md (Bs): Replace
	ix86_indirect_branch_thunk_register with
	ix86_indirect_branch_register.
	(Bw): Likewise.
	* config/i386/i386.md (indirect_jump): Likewise.
	(tablejump): Likewise.
	(*sibcall_memory): Likewise.
	(*sibcall_value_memory): Likewise.
	Peepholes of indirect call and jump via memory: Likewise.
	* config/i386/i386.opt: Likewise.
	* config/i386/predicates.md (indirect_branch_operand): Likewise.
	(GOT_memory_operand): Likewise.
	(call_insn_operand): Likewise.
	(sibcall_insn_operand): Likewise.
	(GOT32_symbol_operand): Likewise.

	Backport from mainline
	2018-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/constraints.md (Bs): Disallow memory operand for
	-mindirect-branch-register.
	(Bw): Likewise.
	* config/i386/predicates.md (indirect_branch_operand): Likewise.
	(GOT_memory_operand): Likewise.
	(call_insn_operand): Likewise.
	(sibcall_insn_operand): Likewise.
	(GOT32_symbol_operand): Likewise.
	* config/i386/i386.md (indirect_jump): Call convert_memory_address
	for -mindirect-branch-register.
	(tablejump): Likewise.
	(*sibcall_memory): Likewise.
	(*sibcall_value_memory): Likewise.
	Disallow peepholes of indirect call and jump via memory for
	-mindirect-branch-register.
	(*call_pop): Replace m with Bw.
	(*call_value_pop): Likewise.
	(*sibcall_pop_memory): Replace m with Bs.
	* config/i386/i386.opt (mindirect-branch-register): New option.
	* doc/invoke.texi: Document -mindirect-branch-register option.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/83839
	* config/i386/i386.c (output_indirect_thunk_function): Use
	ASM_OUTPUT_LABEL, instead of ASM_OUTPUT_DEF, for TARGET_MACHO
	for  __x86.return_thunk.

	Backport from mainline
	2018-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_output_function_return): New.
	* config/i386/i386.c (ix86_set_indirect_branch_type): Also
	set function_return_type.
	(indirect_thunk_name): Add ret_p to indicate thunk for function
	return.
	(output_indirect_thunk_function): Pass false to
	indirect_thunk_name.
	(ix86_output_indirect_branch_via_reg): Likewise.
	(ix86_output_indirect_branch_via_push): Likewise.
	(output_indirect_thunk_function): Create alias for function
	return thunk if regno < 0.
	(ix86_output_function_return): New function.
	(ix86_handle_fndecl_attribute): Handle function_return.
	(ix86_attribute_table): Add function_return.
	* config/i386/i386.h (machine_function): Add
	function_return_type.
	* config/i386/i386.md (simple_return_internal): Use
	ix86_output_function_return.
	(simple_return_internal_long): Likewise.
	* config/i386/i386.opt (mfunction-return=): New option.
	(indirect_branch): Mention -mfunction-return=.
	* doc/extend.texi: Document function_return function attribute.
	* doc/invoke.texi: Document -mfunction-return= option.

2018-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2018-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-opts.h (indirect_branch): New.
	* config/i386/i386-protos.h (ix86_output_indirect_jmp): Likewise.
	* config/i386/i386.c (ix86_using_red_zone): Disallow red-zone
	with local indirect jump when converting indirect call and jump.
	(ix86_set_indirect_branch_type): New.
	(ix86_set_current_function): Call ix86_set_indirect_branch_type.
	(indirectlabelno): New.
	(indirect_thunk_needed): Likewise.
	(indirect_thunk_bnd_needed): Likewise.
	(indirect_thunks_used): Likewise.
	(indirect_thunks_bnd_used): Likewise.
	(INDIRECT_LABEL): Likewise.
	(indirect_thunk_name): Likewise.
	(output_indirect_thunk): Likewise.
	(output_indirect_thunk_function): Likewise.
	(ix86_output_indirect_branch_via_reg): Likewise.
	(ix86_output_indirect_branch_via_push): Likewise.
	(ix86_output_indirect_branch): Likewise.
	(ix86_output_indirect_jmp): Likewise.
	(ix86_code_end): Call output_indirect_thunk_function if needed.
	(ix86_output_call_insn): Call ix86_output_indirect_branch if
	needed.
	(ix86_handle_fndecl_attribute): Handle indirect_branch.
	(ix86_attribute_table): Add indirect_branch.
	* config/i386/i386.h (machine_function): Add indirect_branch_type
	and has_local_indirect_jump.
	* config/i386/i386.md (indirect_jump): Set has_local_indirect_jump
	to true.
	(tablejump): Likewise.
	(*indirect_jump): Use ix86_output_indirect_jmp.
	(*tablejump_1): Likewise.
	(simple_return_indirect_internal): Likewise.
	* config/i386/i386.opt (mindirect-branch=): New option.
	(indirect_branch): New.
	(keep): Likewise.
	(thunk): Likewise.
	(thunk-inline): Likewise.
	(thunk-extern): Likewise.
	* doc/extend.texi: Document indirect_branch function attribute.
	* doc/invoke.texi: Document -mindirect-branch= option.

2018-01-16  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-09-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/81481
	* ira-costs.c (scan_one_insn): Don't take into account PIC equiv
	with a symbol for LRA.

2018-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2018-01-10  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/83629
	* config/rs6000/rs6000.md (load_toc_v4_PIC_2, load_toc_v4_PIC_3b,
	load_toc_v4_PIC_3c): Wrap const term in CONST RTL.

2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	PR target/83330
	* config/i386/i386.c (ix86_function_arg_advance): Set
	outgoing_args_on_stack to true if there are outgoing arguments
	on stack.
	(ix86_function_arg): Likewise.
	(ix86_compute_frame_layout): Align stack frame if argument is
	passed on stack.
	* config/i386/i386.h (machine_function): Add
	outgoing_args_on_stack.

2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	* config/i386/i386.c (ix86_expand_prologue): Use reference of
	struct ix86_frame.
	(ix86_expand_epilogue): Likewise.

2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2017-11-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_can_use_return_insn_p): Use reference
	of struct ix86_frame.
	(ix86_initial_elimination_offset): Likewise.
	(ix86_expand_split_stack_prologue): Likewise.

2018-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* config/i386/i386.c (ix86_frame): Moved to ...
	* config/i386/i386.h (ix86_frame): Here.
	(machine_function): Add frame.
	* config/i386/i386.c (ix86_compute_frame_layout): Repace the
	frame argument with &cfun->machine->frame.
	(ix86_can_use_return_insn_p): Don't pass &frame to
	ix86_compute_frame_layout.  Copy frame from cfun->machine->frame.
	(ix86_can_eliminate): Likewise.
	(ix86_expand_prologue): Likewise.
	(ix86_expand_epilogue): Likewise.
	(ix86_expand_split_stack_prologue): Likewise.

2018-01-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2018-01-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/83677
	* config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
	Reverse order of second and third operands in first alternative.
	* config/rs6000/rs6000.c (rs6000_expand_vector_set): Reverse order
	of first and second elements in UNSPEC_VPERMR vector.
	(altivec_expand_vec_perm_le): Likewise.

2018-01-14  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2018-01-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/83628
	* config/alpha/alpha.md (*saddsi_1): New insn_ans_split pattern.
	(*saddl_se_1): Ditto.
	(*ssubsi_1): Ditto.
	(*ssubl_se_1): Ditto.

	Backport from mainline
	2018-01-09  Uros Bizjak  <ubizjak@gmail.com>

	PR target/83628
	* combine.c (force_int_to_mode) <case ASHIFT>: Use mode instead of
	op_mode in the force_to_mode call.

2018-01-12  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2018-01-12  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/81819
	* config/rx/rx.c (rx_is_restricted_memory_address):
	Handle SUBREG case.

2018-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/83565
	* rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do
	not extend the result to a larger mode for rotate operations.
	(num_sign_bit_copies1): Likewise.

2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline
	2018-01-04  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/81926
	* cgraphunit.c (symbol_table::compile): Switch to text_section
	before calling assembly_start debug hook.

2018-01-11  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2018-01-11  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/81821
	* config/rx/rx.md (BW): New mode attribute.
	(sync_lock_test_and_setsi): Add mode suffix to insn output.

2018-01-09  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-01-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/83713
	* convert.c (do_narrow): Properly guard TYPE_OVERFLOW_WRAPS checks.

2018-01-08  Jim Wilson  <jimw@sifive.com>

	Backport from mainline
	2018-01-08  Monk Chiang  <sh.chiang04@gmail.com>
		    Kito Cheng  <kito.cheng@gmail.com>

	* config/riscv/riscv.c (machine_function::is_leaf): Remove field.
	(riscv_leaf_function_p): Delete.
	(riscv_function_ok_for_sibcall): Return false when TARGET_SAVE_RESTORE.

2018-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	Backport from mainline
	2017-12-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/82975
	* config/arm/arm.h (TEST_REGNO): Adjust comment as expected in r255830.

2018-01-08  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backported from mainline
	2018-01-05  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (epiphany-*-elf*): Add (epiphany-*-rtems*) configuration.
	* config/epiphany/rtems.h: New file.

2018-01-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/83628
	* config/alpha/alpha.md (*sadd<modesuffix>): Use ASHIFT
	instead of MULT rtx.  Update all corresponding splitters.
	(*saddl_se): Ditto.
	(*ssub<modesuffix>): Ditto.
	(*ssubl_se): Ditto.
	(*cmp_sadd_di): Update split patterns.
	(*cmp_sadd_si): Ditto.
	(*cmp_sadd_sidi): Ditto.
	(*cmp_ssub_di): Ditto.
	(*cmp_ssub_si): Ditto.
	(*cmp_ssub_sidi): Ditto.
	* config/alpha/predicates.md (const23_operand): New predicate.
	* config/alpha/alpha.c (alpha_rtx_costs) [PLUS, MINUS]:
	Look for ASHIFT, not MULT inner operand.
	(alpha_split_conditional_move): Update for *sadd<modesuffix> change.

2018-01-02  Andrew Waterman  <andrew@sifive.com>

	* config/riscv/linux.h (ICACHE_FLUSH_FUNC): New.
	* config/riscv/riscv.md (clear_cache): Use it.

2018-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/83608
	* expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
	convert_modes if target mode has the right side, but different mode
	class.

	PR middle-end/83609
	* expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg
	last argument when extracting from CONCAT.  If either from_real or
	from_imag is NULL, use expansion through memory.  If result is not
	a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg
	the parts directly to inner mode, if even that fails, use expansion
	through memory.

	PR middle-end/83623
	* expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
	check for bswap in mode rather than HImode and use that in expand_unop
	too.

2017-12-23  Jakub Jelinek  <jakub@redhat.com>

	PR c++/83553
	* fold-const.c (struct contains_label_data): New type.
	(contains_label_1): Return non-NULL even for CASE_LABEL_EXPR, unless
	inside of a SWITCH_BODY seen during the walk.
	(contains_label_p): Use walk_tree instead of
	walk_tree_without_duplicates, prepare data for contains_label_1 and
	provide own pset.

2017-12-22  Martin Jambor  <mjambor@suse.cz>

	PR lto/82027
	* lto-cgraph.c (output_cgraph_opt_summary_p): Also check former
	clones.

2017-12-22  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2017-12-21  Jakub Jelinek  <jakub@redhat.com>

	PR c/83448
	* gimple-ssa-sprintf.c (maybe_warn): Don't call set_caret_index
	if navail is >= dir.len.

	PR rtl-optimization/80747
	PR rtl-optimization/83512
	* cfgrtl.c (force_nonfallthru_and_redirect): When splitting
	succ edge from ENTRY, copy partition from e->dest to the newly
	created bb.
	* bb-reorder.c (reorder_basic_blocks_simple): If last_tail is
	ENTRY, use BB_PARTITION of its successor block as current_partition.
	Don't copy partition when splitting succ edge from ENTRY.

	PR tree-optimization/83523
	* tree-ssa-math-opts.c (is_widening_mult_p): Return false if
	for INTEGER_TYPE TYPE_OVERFLOW_TRAPS.
	(convert_mult_to_fma): Likewise.

	PR tree-optimization/83521
	* tree-ssa-phiopt.c (factor_out_conditional_conversion): Use
	gimple_build_assign without code on result of
	fold_build1 (VIEW_CONVERT_EXPR, ...), as it might not create
	a VIEW_CONVERT_EXPR.

	2017-12-19  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/82801
	PR ipa/83346
	* ipa-inline.c (flatten_remove_node_hook): New function.
	(ipa_inline): Keep only nodes with flatten attribute at the end of
	the array in the order from ipa_reverse_postorder, only walk that
	portion of array for flattening, if there is more than one such
	node, temporarily register a removal hook and ignore removed nodes.

2017-12-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/83467
	* config/i386/i386.md (*ashl<mode>3_mask): Add operand
	constraints to operand 2.
	(*<shift_insn><mode>3_mask): Ditto.
	(*<rotate_insn><mode>3_mask): Ditto.

2017-12-19  Bin Cheng  <bin.cheng@arm.com>

	Backport from mainline
	2017-11-15  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/82726
	PR tree-optimization/70754
	* tree-predcom.c (order_drefs_by_pos): New function.
	(combine_chains): Move code setting has_max_use_after to...
	(try_combine_chains): ...here.  New parameter.  Sort combined chains
	according to position information.
	(tree_predictive_commoning_loop): Update call to above function.
	(update_pos_for_combined_chains, pcom_stmt_dominates_stmt_p): New.

	2017-11-15  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/82726
	Revert
	2017-01-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/70754
	* tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
	(reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
	combined stmt before it if not NULL.
	(combine_chains): Process refs reversely and compute dominance point
	for root ref.

	Revert
	2017-02-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/79663
	* tree-predcom.c (combine_chains): Process refs in reverse order
	only for ZERO length chains, and add explaining comment.

2017-12-19  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-12-19  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	PR target/83387
	* config/rs6000/t-rtems (MULTILIB_REQUIRED): Remove 64-bit soft-float
	multilib.

2017-12-19  Daniel Cederman  <cederman@gaisler.com>

	Backport from mainline
	2017-12-19  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.c (sparc_do_work_around_errata): Make sure
	the jump is to a label.

2017-12-17  John David Anglin  <danglin@gcc.gnu.org>

	Backport from mainline
	2017-12-03  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.c (pa_legitimate_address_p): For scaled indexing,
	require base operand is a REG_POINTER prior to reload on targets
	with non-equivalent space registers.

2017-12-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/83269
	* fold-const.c (fold_binary_loc): Perform (-A) - B -> (-B) - A
	subtraction in arg0's type if type is signed and arg0 is unsigned.
	Formatting fix.

	Backported from mainline
	2017-12-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/83198
	* gimple-ssa-sprintf.c (format_floating): Set type solely based on
	dir.modifier, regardless of TREE_TYPE (arg).  Assume non-REAL_CST
	value if arg is a REAL_CST with incompatible type.

	2017-12-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/80631
	* tree-vect-loop.c (get_initial_def_for_reduction): Fix comment typo.
	(vect_create_epilog_for_reduction): Add INDUC_VAL argument, for
	INTEGER_INDUC_COND_REDUCTION use INDUC_VAL instead of
	hardcoding zero as the value if COND_EXPR is never true.  For
	INTEGER_INDUC_COND_REDUCTION don't emit the final COND_EXPR if
	INDUC_VAL is equal to INITIAL_DEF.
	(vectorizable_reduction): Compute INDUC_VAL for
	vect_create_epilog_for_reduction, if no value is suitable, don't
	use INTEGER_INDUC_COND_REDUCTION for now.  Formatting fixes.

	2017-12-08  Joseph Myers  <joseph@codesourcery.com>
		    Alexander Monakov  <amonakov@ispras.ru>
		    Jakub Jelinek  <jakub@redhat.com>

	PR target/81906
	* config/i386/i386.c (ix86_expand_rint): Handle flag_rounding_math.

	2017-12-02  Jakub Jelinek  <jakub@redhat.com>

	PR c++/81212
	* tree-cfg.c (pass_warn_function_return::execute): Handle
	__builtin_ubsan_handle_missing_return like __builtin_unreachable
	with BUILTINS_LOCATION.

	PR target/78643
	PR target/80583
	* expr.c (get_inner_reference): If DECL_MODE of a non-bitfield
	is BLKmode for vector field with vector raw mode, use TYPE_MODE
	instead of DECL_MODE.

	2017-11-29  Jakub Jelinek  <jakub@redhat.com>

	PR target/80819
	* config/i386/sse.md (vec_concatv2di): Remove * from (=Yr,0,*rm)
	alternative.

	2017-11-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/81553
	* combine.c (simplify_if_then_else): In (if_then_else COND (OP Z C1) Z)
	to (OP Z (mult COND (C1 * STORE_FLAG_VALUE))) optimization, if OP
	is a shift where C1 has different mode than the whole shift, use C1's
	mode for MULT rather than the shift's mode.

	2017-11-24  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/83014
	* ubsan.c (ubsan_type_descriptor): Use pp_unsigned_wide_integer
	instead of pp_printf with HOST_WIDE_INT_PRINT_DEC.  Avoid calling
	tree_to_uhwi twice.

	* tree-object-size.c (pass_through_call): Do not handle
	BUILT_IN_STPNCPY_CHK which is not a pass through call.

	2017-11-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/82253
	* expr.c (expand_assignment): For CONCAT to_rtx, complex type from and
	bitpos/bitsize covering the whole destination, use store_expr only if
	the complex mode is the same.  Otherwise, use expand_normal and if
	it returns CONCAT, subreg each part separately instead of trying to
	subreg the whole result.

	2017-11-22  Jakub Jelinek  <jakub@redhat.com>

	PR debug/83084
	* valtrack.c (propagate_for_debug_subst, propagate_for_debug): Reset
	debug insns if they would contain UNSPEC_VOLATILE or volatile asm.
	(dead_debug_insert_temp): Likewise, but also ignore even non-volatile
	asm.

	2017-11-21  James Cowgill  <James.Cowgill@imgtec.com>
		    Jakub Jelinek  <jakub@redhat.com>

	PR target/82880
	* config/mips/frame-header-opt.c (mips_register_frame_header_opt):
	Remove static keyword from f variable.

2017-12-15  Richard Biener  <rguenther@suse.de>

	PR bootstrap/83439
	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
	Adjust remaining gimple_set_modified to use the modified
	variable instead.

2017-12-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/66488
	* ggc-page.c (HOST_BITS_PER_PTR): Do not define here...
	* hwint.h (HOST_BITS_PER_PTR): ...but here instead.
	* config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Delete.

2017-12-15  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	PR tree-optimization/82060
	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
	Move devirtualization after stmt folding and before EH/AB/noreturn
	cleanup to get the stmt refs canonicalized.  Use a bool instead
	of gimple_modified_p since that doesn't work for NOPs.  Schedule
	NOPs generated by folding for removal.

2017-12-15  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-09-05  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82102
	* tree-ssa-pre.c (eliminate): Check if lhs is NULL.

	2017-09-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/82128
	* gimple-fold.c (gimple_fold_call): Update SSA name in-place to
	default-def to avoid breaking iterator update with the weird
	interaction with cgraph_update_edges_for_call_stmt_node.

2017-12-15  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-11-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82402
	* tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly
	set SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

	2017-10-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82697
	* tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
	zero for conditional load and unconditional store.

	2017-11-02  Richard Biener  <rguenther@suse.de>

	PR middle-end/82765
	* varasm.c (decode_addr_const): Make offset HOST_WIDE_INT.
	Truncate ARRAY_REF index and element size.

	2017-11-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82902
	* tree-ssa-phiprop.c (propagate_with_phi): Test proper type.

2017-12-14  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2017-10-02  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/80210
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Rewrite
	function to not use the have_cpu variable.  Do not set cpu_index,
	rs6000_cpu_index or rs6000_tune_index if we end up using TARGET_DEFAULT
	or the default cpu.
	(rs6000_valid_attribute_p): Remove duplicate initializations of
	old_optimize and func_optimize.
	(rs6000_pragma_target_parse): Call rs6000_activate_target_options ().
	(rs6000_activate_target_options): Make global.
	* config/rs6000/rs6000-protos.h (rs6000_activate_target_options): Add
	prototype.

2017-12-13  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2017-12-13  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/ppc-auxv.h (PPC_FEATURE2_HTM_NO_SUSPEND): New define.
	* config/rs6000/rs6000.c (cpu_supports_info): Use it.

2017-12-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81959
	* config/rs6000/rs6000.c (rs6000_address_for_fpconvert): Check for
	whether we can allocate pseudos before trying to fix an address.
	* config/rs6000/rs6000.md (float_<mode>si2_hw): Make sure the
	memory address is indexed or indirect.
	(floatuns_<mode>si2_hw2): Likewise.

2017-12-11  Sudakshina Das  <sudi.das@arm.com>

	Backported from trunk
	2017-12-01  Sudakshina Das  <sudi.das@arm.com>

	* config/arm/vfp.md (*movhf_vfp_fp16): Add conds attribute.

2017-12-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	Backport from trunk
	2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/80101
	* config/rs6000/power6.md: Replace store_data_bypass_p calls with
	rs6000_store_data_bypass_p in seven define_bypass directives and
	in several comments.
	* config/rs6000/rs6000-protos.h: Add prototype for
	rs6000_store_data_bypass_p function.
	* config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
	function implements slightly different (rs6000-specific) semantics
	than store_data_bypass_p, returning false rather than aborting
	with assertion error when arguments do not satisfy the
	requirements of store data bypass.
	(rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
	rs6000_store_data_bypass_p.

2017-12-06  Eric Botcazou  <ebotcazou@adacore.com>

	Revert
	2017-11-29  Martin Aberg  <maberg@gaisler.com>

	* config/sparc/sparc.md (divdf3_fix): Add NOP and adjust length
	to prevent b2bst errata sequence.
	(sqrtdf2_fix): Likewise.

2017-12-05  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2017-12-05  Max Filippov  <jcmvbkbc@gmail.com>
	* config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New
	function.
	(TARGET_ASAN_SHADOW_OFFSET): New macro definition.
	* config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): Set to 1 if
	ASAN is enabled.

2017-12-05  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
	* config/xtensa/xtensa-protos.h
	(xtensa_initial_elimination_offset): New declaration.
	* config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
	New function. Move its body from the INITIAL_ELIMINATION_OFFSET
	macro definition, add case for FRAME_POINTER_REGNUM when
	FRAME_GROWS_DOWNWARD.
	* config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro
	definition.
	(INITIAL_ELIMINATION_OFFSET): Replace body with call to
	xtensa_initial_elimination_offset.

2017-12-04  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_do_work_around_errata): Use mem_ref
	instead of MEM_P in a couple more places.  Fix formatting issues.

2017-12-04  Sebastian Peryt  <sebastian.peryt@intel.com>
	H.J. Lu  <hongjiu.lu@intel.com>

	Bakcported from trunk
	PR target/82941
	PR target/82942
	PR target/82990
	* config/i386/i386.c (pass_insert_vzeroupper): Remove
	TARGET_AVX512F check from gate condition.
	(ix86_check_avx256_register): Changed to ...
	(ix86_check_avx_upper_register): ... this. Add extra check for
	VALID_AVX512F_REG_OR_XI_MODE.
	(ix86_avx_u128_mode_needed): Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_check_avx256_stores): Changed to ...
	(ix86_check_avx_upper_stores): ... this. Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_avx_u128_mode_after): Changed
	avx_reg256_found to avx_upper_reg_found. Changed
	ix86_check_avx256_stores to ix86_check_avx_upper_stores.
	(ix86_avx_u128_mode_entry): Changed
	ix86_check_avx256_register to ix86_check_avx_upper_register.
	(ix86_avx_u128_mode_exit): Ditto.
	(ix86_option_override_internal): Set MASK_VZEROUPPER if
	neither -mzeroupper nor -mno-zeroupper is used and
	TARGET_EMIT_VZEROUPPER is set.
	* config/i386/i386.h: (host_detect_local_cpu): New define.
	(TARGET_EMIT_VZEROUPPER): New.
	* config/i386/x86-tune.def: Add X86_TUNE_EMIT_VZEROUPPER

2017-12-01  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2017-11-28  Segher Boessenkool  <segher@kernel.crashing.org>

	PR 81288/target
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Do not handle
	TARGET_ISEL && !TARGET_MFCRF differently.  Simplify code.

2017-11-30  Jim Wilson  <jimw@sifive.com>

	Backport from mainline
	2017-11-30  Jim Wilson  <jimw@sifive.com>
	* doc/invoke.texi (RISC-V Options): Delete nonexistent -mmemcpy and
	-mno-memcpy options.  For -mplt, -mfdiv, -mdiv, -msave-restore, and
	-mstrict-align, add info on default value.  Delete redundant lines for
	-mabi.  Add missing -mexplicit-relocs docs.

	Backport from mainline
	2017-11-01  Palmer Dabbelt  <palmer@dabbelt.com>
	* doc/invoke.texi (RISC-V Options): Use "@minus{}2 GB", not "-2 GB".
	* doc/invoke.texi (RISC-V Options): Explicitly name the medlow
	and medany code models, and describe what they do.

	2017-10-27  Palmer Dabbelt  <palmer@dabbelt.com>
	PR target/82717
	* doc/invoke.texi (RISC-V) <-mabi>: Correct and improve.

2017-11-29  Martin Jambor  <mjambor@suse.cz>

	PR ipa/82808
	* tree.c (expr_type_first_operand_type_p): New function.
	* tree.h (expr_type_first_operand_type_p): Declare it.
	* ipa-cp.c (ipa_get_jf_pass_through_result): Use it.

2017-11-29  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.c (sparc_do_work_around_errata): Treat the
	movsi_pic_gotdata_op instruction as a load for the UT699 errata
	workaround.

2017-11-29  Martin Aberg  <maberg@gaisler.com>

	* config/sparc/sparc.md (divdf3_fix): Add NOP and adjust length
	to prevent b2bst errata sequence.
	(sqrtdf2_fix): Likewise.

2017-11-29  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.c (fpop_reg_depend_p): New function.
	(div_sqrt_insn_p): New function.
	(sparc_do_work_around_errata): Insert NOP instructions to
	prevent sequences that could trigger the TN-0013 errata for
	certain LEON3 processors.
	(pass_work_around_errata::gate): Also test sparc_fix_lost_divsqrt.
	(sparc_option_override): Set sparc_fix_lost_divsqrt appropriately.
	* config/sparc/sparc.md (fix_lost_divsqrt): New attribute.
	(in_branch_delay): Prevent div and sqrt in delay slot if
	fix_lost_divsqrt.
	* config/sparc/sparc.opt (sparc_fix_lost_divsqrt): New variable.

2017-11-29  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.c (atomic_insn_p): New function.
	(sparc_do_work_around_errata): Insert NOP instructions to
	prevent sequences that could trigger the TN-0010 errata for
	UT700.
	* config/sparc/sync.md (atomic_compare_and_swap_leon3_1): Make
	instruction referable in atomic_insns_p.

2017-11-29  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sync.md (swapsi): 16-byte align if sparc_fix_gr712rc.
	(atomic_compare_and_swap_leon3_1): Likewise.
	(ldstub): Likewise.

2017-11-29  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.c (fpop_insn_p): New function.
	(sparc_do_work_around_errata): Insert NOP instructions to
	prevent sequences that could trigger the TN-0012 errata for
	GR712RC.
	(pass_work_around_errata::gate): Also test sparc_fix_gr712rc.
	* config/sparc/sparc.md (fix_gr712rc): New attribute.
	(in_branch_annul_delay): Prevent floating-point instructions
	in delay slot of annulled integer branch.

2017-11-28  Jim Wilson  <jimw@sifive.com>

	Backport from mainline
	2017-11-04  Andrew Waterman  <andrew@sifive.com>

	* config/riscv/riscv.c (riscv_option_override): Conditionally set
	TARGET_STRICT_ALIGN based upon -mtune argument.

	Backport from mainline
	2017-05-04  Andrew Waterman  <andrew@sifive.com>

	* config/riscv/riscv.opt (mstrict-align): New option.
	* config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
	(SLOW_UNALIGNED_ACCESS): Define.
	(riscv_slow_unaligned_access): Declare.
	* config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
	field.
	(riscv_slow_unaligned_access): New variable.
	(rocket_tune_info): Set slow_unaligned_access to true.
	(optimize_size_tune_info): Set slow_unaligned_access to false.
	(riscv_cpu_info_table): Add entry for optimize_size_tune_info.
	(riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
	(riscv_option_override): Set riscv_slow_unaligned_access.
	* doc/invoke.texi: Add -mstrict-align to RISC-V.

	Backport from mainline
	2017-11-07  Michael Clark  <michaeljclark@mac.com>

	* config/riscv/linux.h (MUSL_ABI_SUFFIX): New define.
	(MUSL_DYNAMIC_LINKER): Likewise.

2017-11-27  Jim Wilson  <jimw@sifive.com>

	Backport from mainline
	2017-10-25  Palmer Dabbelt  <palmer@dabbelt.com>

	* config/riscv/riscv.md (ZERO_EXTEND_LOAD): Define.
	* config/riscv/pic.md (local_pic_load): Rename to local_pic_load_s,
	mark as a sign-extending load.
	(local_pic_load_u): Define.

	Backport from mainline
	2017-11-03  Kito Cheng  <kito.cheng@gmail.com>

	* config/riscv/riscv.c (riscv_legitimize_move): Handle
	non-legitimate address.

2017-11-24  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2017-11-17  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/82621
	* combine.c (try_combine): Do not split PARALLELs of two SETs if the
	dest of one of those SETs is unused.

2017-11-23  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2017-11-23  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/83111
	* config/sh/sh.md (udivsi3, divsi3, sibcall_value_pcrel,
	sibcall_value_pcrel_fdpic): Use local variable instead of
	operands[3].
	(calli_tbr_rel): Add missing operand 2.
	(call_valuei_tbr_rel): Add missing operand 3.

2017-11-22  Richard Biener  <rguenther@suse.de>

	Revert
	2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-11-21  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/82044
	PR tree-optimization/82042
	* dse.c (check_mem_read_rtx): Check for overflow.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-27  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/82457
	* doc/invoke.texi: Document that one needs a non-strict ISO mode
	for fork-like functions to be properly instrumented.

2017-11-21  Pat Haugen  <pthaugen@us.ibm.com>

	Backport from mainline
	2017-11-21  Pat Haugen  <pthaugen@us.ibm.com>

	* config/rs6000/ppc-asm.h (f50, vs50): Fix values.

2017-11-21  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	Backport from mainline
	2017-11-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* config/arm/arm.c (output_return_instruction): Add comments to
	indicate requirement for cmse_nonsecure_entry return to account
	for the size of clearing instruction output here.
	(thumb_exit): Likewise.
	* config/arm/thumb2.md (thumb2_cmse_entry_return): Fix length for
	return in hardfloat mode.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-11-21  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/82044
	PR tree-optimization/82042
	* dse.c (check_mem_read_rtx): Check for overflow.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-11-08  Martin Liska  <mliska@suse.cz>

	* gimplify.c (expand_FALLTHROUGH_r): Simplify usage
	of gimple_call_internal_p.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-11-08  Martin Liska  <mliska@suse.cz>

	PR sanitizer/82792
	* gimplify.c (expand_FALLTHROUGH_r): Skip IFN_ASAN_MARK.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-31  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/82633
	* doc/gcov.texi: Document -fkeep-{static,inline}-functions and
	their interaction with GCOV infrastructure.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-19  Martin Liska  <mliska@suse.cz>

	PR driver/81829
	* file-find.c (remove_prefix): Remove.
	* file-find.h (remove_prefix): Likewise.
	* gcc-ar.c: Remove smartness of lookup.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-18  Martin Liska  <mliska@suse.cz>

	PR sanitizer/82545
	* asan.c (asan_expand_poison_ifn): Do not put gimple stmt
	on an abnormal edge.

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-11  Martin Liska  <mliska@suse.cz>

	* print-rtl.c (print_insn): Move declaration of idbuf
	to same scope as name.

2017-11-21  Claudiu Zissulescu  <claziss@synopsys.com>

	Backport from mainline
	2017-11-17  Vineet Gupta  <vgupta@synopsys.com>

	* config/arc/linux.h: GLIBC_DYNAMIC_LINKER update per glibc
	upstreaming review comments.

2017-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline
	2017-11-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc (*-*-solaris2*): Enable default_use_cxa_atexit since
	Solaris 11.  Update comment.
	* configure.ac (gcc_cv_ld_pid): Adapt comment for Solaris 12
	renaming.
	* config/sol2.h (STARTFILE_SPEC): Likewise.
	* configure: Regenerate.

2017-11-20  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2017-09-20  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/77687
	* config/rs6000/rs6000.md (stack_restore_tie): Store to a scratch
	address instead of to r1 and r11.

2017-11-17  Vineet Gupta <vgupta@synopsys.com>

	* config.gcc: Remove uclibc from arc target spec.

2017-11-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (x86_print_call_or_nop): Emit 5 byte nop
	explicitly as a stream of bytes.

2017-11-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82985
	Backport from mainline
	2017-08-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81790
	* tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
	CONSTRUCTORs from simplifying and VN.

2017-11-15  Pierre-Marie de Rodat  <derodat@adacore.com>

	Backport from mainline
	2017-09-25  Pierre-Marie de Rodat  <derodat@adacore.com>

	PR debug/82155
	* dwarf2out.c (dwarf2out_early_global_decl): Call dwarf2out_decl
	on the FUNCTION_DECL function context if it has a DIE that is a
	declaration.

2017-11-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline
	2017-10-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_ix86_xbrace_comment): Check if assembler
	supports -xbrace_comment option.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/i386/sol2.h (ASM_XBRACE_COMMENT_SPEC): Define.
	(ASM_CPU_SPEC): Use it.

2017-11-09  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from mainline
	2017-11-01  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/64682
	PR rtl-optimization/69567
	PR rtl-optimization/69737
	PR rtl-optimization/82683
	* combine.c (distribute_notes) <REG_DEAD>: If the new I2 sets the same
	register mentioned in the note, drop the note, unless it came from I3,
	in which case it should go to I3 again.

2017-11-07  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2017-10-31  Matthew Fortune  <matthew.fortune@imgtec.com>
		    Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/81803
	* lra-constraints.c (curr_insn_transform): Also reload the whole
	register for a strict subreg no wider than a word if this is for
	a WORD_REGISTER_OPERATIONS target.

2017-11-03  Wilco Dijkstra  <wdijkstr@arm.com>

	PR middle-end/60580
	* config/aarch64/aarch64.c (aarch64_frame_pointer_required)
	Check special value of flag_omit_frame_pointer.
	(aarch64_can_eliminate): Likewise.
	(aarch64_override_options_after_change_1): Simplify handling of
	-fomit-frame-pointer and -fomit-leaf-frame-pointer.

2017-11-01  Martin Jambor  <mjambor@suse.cz>

	PR c++/81702
	* gimple-fold.c (gimple_get_virt_method_for_vtable): Remove assert.

2017-10-31  Uros Bizjak  <ubizjak@gmail.com>

	PR target/82772
	* config/alpha/sync.md (fetchop_constr) <and>: Change to "rINM".

2017-10-27  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2017-10-12  Jakub Jelinek  <jakub@redhat.com>

	PR c++/82159
	* expr.c (store_field): Don't optimize away bitsize == 0 store
	from CALL_EXPR with addressable return type.

	2017-09-21  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81715
	* tree-inline.c (expand_call_inline): Emit clobber stmts for
	VAR_DECLs to which addressable non-volatile parameters are mapped
	and for id->retvar after the return value assignment, though
	for -fsanitize=kernel-address only.  Clear id->retval and id->retbnd
	after inlining.

	2017-09-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/82234
	* doc/extend.texi: Add @findex entry for __builtin_shuffle.

	2017-09-15  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/82192
	* combine.c (make_extraction): Don't look through non-paradoxical
	SUBREGs or TRUNCATE if pos + len is or might be bigger than
	inner's mode.

2017-10-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/82703
	* config/i386/i386-protos.h (maybe_get_pool_constant): Removed.
	* config/i386/i386.c (maybe_get_pool_constant): Removed.
	(ix86_split_to_parts): Use avoid_constant_pool_reference instead of
	maybe_get_pool_constant.
	* config/i386/predicates.md (zero_extended_scalar_load_operand):
	Likewise.

2017-10-24  Qing Zhao <qing.zhao@oracle.com>
	    Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* builtins.c (expand_builtin_update_setjmp_buf): Add a
	converstion to Pmode from the buf_addr.

2017-10-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82603
	* tree-if-conv.c (predicate_mem_writes): Make sure to only
	remove false predicated stores.

2017-10-20  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-10-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82436
	* tree-vect-slp.c (vect_supported_load_permutation_p): More
	conservatively choose the vectorization factor when checking
	whether we can perform the required load permutation.
	(vect_transform_slp_perm_load): Assert when we may not fail.

2017-10-19  Richard Earnshaw  <rearnsha@arm.com>

	PR target/82445
	* config/arm/arm.c (align_ok_ldrd_strd): New function.
	(mem_ok_for_ldrd_strd): New parameter align.  Extract the alignment of
	the mem into it.
	(gen_operands_ldrd_strd): Validate the alignment of the accesses.

2017-10-18  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/82602
	* ira.c (rtx_moveable_p): Return false for volatile asm.

2017-10-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/82556
	* lra-constraints.c (curr_insn_transform): Use non-input operand
	instead of output one for matched reload.

2017-10-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/82549
	* fold-const.c (optimize_bit_field_compare, fold_truth_andor_1):
	Formatting fixes.  Instead of calling make_bit_field_ref with negative
	bitpos return 0.

2017-10-13  Jakub Jelinek  <jakub@redhat.com>

	PR target/82274
	* internal-fn.c (expand_mul_overflow): If both operands have
	the same highpart of -1 or 0 and the topmost bit of lowpart
	is different, overflow is if res <= 0 rather than res < 0.

	PR target/82524
	* config/i386/i386.md (addqi_ext_1, andqi_ext_1,
	*andqi_ext_1_cc, *<code>qi_ext_1, *xorqi_ext_1_cc): Change
	=Q constraints to +Q and into insn condition add check
	that operands[0] and operands[1] are equal.
	(*addqi_ext_2, *andqi_ext_2, *<code>qi_ext_2): Change
	=Q constraints to +Q and into insn condition add check
	that operands[0] is equal to either operands[1] or operands[2].

2017-10-10  Andreas Tobler  <andreast@gcc.gnu.org>

	Backported from mainline r253602
	2017-10-10  Andreas Tobler  <andreast@gcc.gnu.org>

	* config.gcc: (armv7*-*-freebsd*): New target.
	(armv6*-*-freebsd*): Remove obsolete TARGET_FREEBSD_ARMv6 define.

2017-10-06  Christophe Lyon  <christophe.lyon@linaro.org>

	Backport from mainline r253242.
	2017-09-27  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/71727
	* config/aarch64/aarch64.c
	(aarch64_builtin_support_vector_misalignment): Always return false
	when misalignment is unknown.

2017-10-04  Jason Merrill  <jason@redhat.com>

	PR c++/82406 - C++ error with noexcept function type
	PR c++/70029 - ICE with ref-qualifier and -flto
	* langhooks.h (struct lang_hooks_for_types): Add
	copy_lang_qualifiers.
	* attribs.c (build_type_attribute_qual_variant): Use it.
	* langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
	NULL.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
	* tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.

2017-10-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-09-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/82337
	* gimple-ssa-strength-reduction.c (find_phi_def): Don't record a
	phi definition if the PHI result appears in an abnormal PHI.
	(find_basis_for_base_expr): Don't record a basis if the LHS of the
	basis appears in an abnormal PHI.

2017-09-30  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_split_idivmod): Use mode instead of
	always SImode for DIV and MOD in REG_EQUAL notes.

	Backported from mainline
	2017-09-27  Jakub Jelinek  <jakub@redhat.com>

	PR c++/82159
	* gimplify.c (gimplify_modify_expr): Don't optimize away zero sized
	lhs from calls if the lhs has addressable type.

2017-09-29  Krister Walfridsson  <krister.walfridsson@gmail.com>

	Backport from mainline
	2017-06-29  Maya Rashish  <coypu@sdf.org>

	PR target/77480
	* config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
	objects.

2017-09-29  Krister Walfridsson  <krister.walfridsson@gmail.com>

	Backport from mainline
	2017-09-26  Krister Walfridsson  <krister.walfridsson@gmail.com>

	PR target/39570
	* gcc/config/netbsd-protos.h: New file.
	* gcc/config/netbsd.c: New file.
	* gcc/config/netbsd.h (SUBTARGET_INIT_BUILTINS): Define.
	* gcc/config/t-netbsd: New file.
	* gcc/config.gcc (tm_p_file): Add netbsd-protos.h.
	(tmake_file) Add t-netbsd.
	(extra_objs) Add netbsd.o.

2017-09-28  Krister Walfridsson  <krister.walfridsson@gmail.com>

	Backport from mainline
	2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>

	PR target/80600
	* config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.

2017-09-27  Christophe Lyon  <christophe.lyon@linaro.org>

	Backport from trunk r249639.
	2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>

	* doc/sourcebuild.texi (ARM-specific attributes): Document new
	arm_neon_ok_no_float_abi effective target.

2017-09-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-09-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82244
	* tree-vrp.c (remove_range_assertions): Do not propagate
	a constant to abnormals but replace the assert with a copy.

	2017-09-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82276
	PR tree-optimization/82244
	* tree-vrp.c (build_assert_expr_for): Set
	SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the variable we assert on
	has it set.
	(remove_range_assertions): Revert earlier change.

	2017-09-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82264
	* tree-ssa-sccvn.c (vn_phi_eq): Use safe_dyn_cast to check
	for GIMPLE_CONDs.
	(vn_phi_lookup): Likewise.
	(vn_phi_insert): Likewise.
	* is-a.h (safe_dyn_cast): New.

	2017-09-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82285
	* tree-vect-patterns.c (vect_recog_bool_pattern): Also handle
	enumeral types.

	2017-09-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82291
	* tree-if-conv.c (predicate_mem_writes): Make sure to
	remove writes in blocks predicated with false.

2017-09-21  Alan Modra  <amodra@gmail.com>

	PR target/81996
	* gcc/config/rs6000/rs6000.c (rs6000_return_addr): Use
	stack_pointer_rtx for count 0.  Update comments.  Break up
	large rtl expression.

2017-09-21  Wilco Dijkstra  <wdijkstr@arm.com>

	PR target/71951
	* config/aarch64/aarch64.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.

2017-09-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (fold_builtin_cpu): Add M_AMDFAM17H
	to processor_model and "amdfam17h" to arch_names_table.
	* doc/extend.texi (__builtin_cpu_is): Document amdfam17h CPU name.

2017-09-19  Martin Liska  <mliska@suse.cz>

	PR c++/81355
	* config/i386/i386.c (sorted_attr_string): Skip empty strings.

2017-09-19  Martin Liska  <mliska@suse.cz>

	Revert backport:
	2017-08-10  Martin Liska  <mliska@suse.cz>

	PR c++/81355
	* c-attribs.c (handle_target_attribute):
	Report warning for an empty string argument of target attribute.

2017-09-18  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-09-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82084
	* fold-const.h (can_native_encode_string_p): Declare.
	* fold-const.c (can_native_encode_string_p): Factor out from ...
	(native_encode_string): ... here.
	* tree-vect-stmts.c (vectorizable_store): Call it to avoid
	vectorizing stores from constants we later cannot handle.

	2017-09-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82108
	* tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
	for gap in the non-permutation SLP case.

2017-09-15  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2017-09-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/81325
	* cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions
	if and where to split a bb, except for splitting before debug insn
	sequences followed by non-label real insn.  Delete debug insns
	in between basic blocks.

	2017-09-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/82112
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
	ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
	on it early, rather than manual conversion late.  For
	ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
	instead of performing manual conversion.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-09-14  Martin Liska  <mliska@suse.cz>

	* gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
	Add proper printf format.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-08-30  Martin Liska  <mliska@suse.cz>

	PR inline-asm/82001
	* ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
	Rename to ...
	(func_checker::compare_asm_inputs_outputs): ... this function.
	(func_checker::compare_gimple_asm): Use the function to compare
	also ASM constrains.
	* ipa-icf-gimple.h: Rename the function.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-08-29  Martin Liska  <mliska@suse.cz>

	PR other/39851
	* gcc.c (driver_handle_option): Add new argument.
	* opts-common.c (handle_option): Pass
	target_option_override_hook.
	* opts-global.c (lang_handle_option): Add new option.
	(set_default_handlers):  Add new argument.
	(decode_options): Likewise.
	* opts.c (target_handle_option): Likewise.
	(common_handle_option): Call target_option_override_hook.
	* opts.h (struct cl_option_handler_func): Add hook for
	target option override.
	(struct cl_option_handlers): Likewise.
	(set_default_handlers): Add new argument.
	(decode_options): Likewise.
	(common_handle_option): Likewise.
	(target_handle_option): Likewise.
	* toplev.c (toplev::main): Pass targetm.target_option.override
	hook.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-08-10  Martin Liska  <mliska@suse.cz>

	PR c++/81355
	* c-attribs.c (handle_target_attribute):
	Report warning for an empty string argument of target attribute.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-08-08  Martin Liska  <mliska@suse.cz>

	PR tree-opt/81696
	* ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
	LABEL_DECLs that can be from a different function.

2017-09-15  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-06-28  Martin Liska  <mliska@suse.cz>

	PR ipa/81128
	* ipa-visibility.c (non_local_p): Handle visibility.

2017-09-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/81833
	* config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
	define_insn to a define_expand.
	(altivec_vsum2sws_direct): New define_insn.
	(altivec_vsumsws): Convert from a define_insn to a define_expand.

2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	PR target/82181
	* config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
	words of DImode object are reachable by xtensa_uimm8x4 access.

2017-09-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/80695
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
	Account for direct move costs for vec_construct of integer
	vectors.

	Backport from mainline
	2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/80695
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
	Reduce cost estimate for direct moves.

2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/81988
	* config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
	(*mulsi3_sp64): New instruction.
	(mulsi3): New expander.

2017-09-07  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2017-09-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/81768
	* omp-low.c (lower_omp_for): Recompute tree invariant if
	gimple_omp_for_initial/final is ADDR_EXPR.

	PR middle-end/81768
	* omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
	into gimple val before gimplification fo the COND_EXPR.

	2017-09-04  Jakub Jelinek  <jakub@redhat.com>

	* lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.

	2017-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81923
	* asan.c (create_odr_indicator): Strip name encoding from assembler
	name before appending it after __odr_asan_.

	2017-08-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/81687
	* omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
	LABEL_DECLs.
	* tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
	or DECL_NONLOCAL labels.
	(move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
	or DECL_NONLOCAL labels here.

	2017-08-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/81621
	* bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
	after setting changeable df flags.

	PR driver/81650
	* calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
	instead of 10??LU, perform unit multiplication in wide_int,
	don't change alloc_object_size_limit if the limit is larger
	than SSIZE_MAX.

	PR middle-end/81052
	* omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
	(pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.

2017-09-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline:
	2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/81987
	* gimple-ssa-strength-reduction.c (insert_initializers): Don't
	insert an initializer in a location not dominated by the stride
	definition.

2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
		    Jakub Jelinek  <jakub@redhat.com>
		    Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81503
	* gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
	folded constant fits in the target type; reorder tests for clarity.

2017-09-05  Pierre-Marie de Rodat  <derodat@adacore.com>

	Backport from trunk
	PR ada/79542
	* dwarf2out.c (modified_type_die): For C typedef types that have
	an ultimate origin, process the ultimate origin instead of the
	input type.
	(gen_typedef_die): Assert that input DECLs have no ultimate
	origin.
	(gen_type_die_with_usage): For typedef variants that have an
	ultimate origin, just call gen_decl_die on the original DECL.
	(process_scope_var): Avoid creating DIEs for local typedefs and
	concrete static variables.

2017-08-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/81504
	* config/rs6000/rs6000.c (find_alignment_op): Add reference
	parameter and_insn and return it.
	(recombine_lvx_pattern): Insert a copy to ensure availability of
	the base register of the copied masking operation at the point of
	the instruction replacement.
	(recombine_stvx_pattern): Likewise.

2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81593
	* config/rs6000/vsx.md (vsx_concat_<mode>_1): New combiner insns
	to recognize inserting into a vector from a double word element
	that was extracted from another vector, and eliminate extra
	XXPERMDI instructions.
	(vsx_concat_<mode>_2): Likewise.
	(vsx_concat_<mode>_3): Likewise.
	(vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
	concat to allow optimizing inserts from previous extracts.

2017-08-29  Alan Modra  <amodra@gmail.com>

	Apply from mainline
	2017-08-12  Alan Modra  <amodra@gmail.com>
	PR target/81170
	PR target/81295
	* config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
	match gnu-user.h startfile.
	(ENDFILE_LINUX_SPEC): Similarly.

	2017-08-08  Alan Modra  <amodra@gmail.com>
		    H.J. Lu  <hongjiu.lu@intel.com>
	PR target/81170
	PR target/81295
	PR driver/81523
	* gcc.c (NO_PIE_SPEC): Delete.
	(PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
	exclusion..
	(LINK_PIE_SPEC): ..to here.
	(LINK_COMMAND_SPEC): Support -no-pie.
	* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
	chain of crtbegin*.o selection, update for PIE_SPEC changes and
	format.
	(GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
	* config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
	(ENDFILE_CRTEND_SPEC): Similarly.

2017-08-29  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-08-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81977
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
	memcpy.

	2017-08-28  Richard Biener  <rguenther@suse.de>

	PR debug/81993
	* dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
	Do nothing for removed DIEs.

2017-08-28  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-06-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/81088
	* fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
	literal constants.
	(fold_binary_loc): When associating do not treat pre-existing
	TREE_OVERFLOW on literal constants as a reason to allow
	TREE_OVERFLOW on associated literal constants.

	2017-06-13  Richard Biener  <rguenther@suse.de>

	PR middle-end/81065
	* fold-const.c (extract_muldiv_1): Remove bogus distribution
	case of C * (x * C2 + C3).
	(fold_addr_of_array_ref_difference): Properly fold index difference.

	2017-06-07  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/80932
	* fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
	TYPE_OVERFLOW_WRAPS check.

2017-08-28  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-08-21  Richard Biener  <rguenther@suse.de>

	PR middle-end/81884
	* tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
	at struct end conservatively when comparing common bases.

	2017-05-04  Richard Biener  <rguenther@suse.de>

	* tree.c (array_at_struct_end_p): Handle arrays at struct
	end with flexarrays more conservatively.  Refactor and treat
	arrays of arrays or aggregates more strict.  Fix
	VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
	* tree.h (array_at_struct_end_p): Adjust prototype.
	* gimple-fold.c (get_range_strlen): Likewise.
	* tree-chkp.c (chkp_may_narrow_to_field): Likewise.

2017-08-28  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-08-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81181
	* tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
	(compute_antic): ... end of iteration here.

	2017-08-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81723
	* tree-vect-slp.c (struct bst_traits): New hash traits.
	(bst_fail): New global.
	(vect_build_slp_tree_2): New worker, split out from ...
	(vect_build_slp_tree): ... this now wrapping it with using
	bst_fail set to cache SLP tree build fails.  Properly handle
	max_tree_size.
	(vect_analyze_slp_instance): Allocate and free bst_fail.

	2017-08-24  Richard Biener  <rguenther@suse.de>

	PR target/81921
	* config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
	and ipa-inline.h.
	(ix86_can_inline_p): When ix86_fpmath flags do not match
	check whether the callee uses FP math at all.

2017-08-23  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/72804
	* config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
	operands residing in integer registers.
	(*vsx_le_perm_load_<mode>): Likewise.
	(*vsx_le_perm_store_<mode>): Likewise.
	(define_peephole2): Add peepholes to optimize the above.

2017-08-22  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/80210
	* config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
	(rs6000_set_current_function): Rewrite function to use it.

2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
	* config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
	(DOT_SYMBOLS): Likewise.
	(MINIMAL_TOC_SECTION_ASM_OP): Likewise.
	(RELOCATABLE_NEEDS_FIXUP): Likewise.
	(RS6000_ABI_NAME): Likewise.
	(TARGET_CMODEL): Likewise.
	(TOC_SECTION_ASM_OP): Likewise.
	(SET_CMODEL): New macro.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.

2017-08-22  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-08-22 trunk r251256.

	PR target/81910
	* config/avr/avr.c (avr_handle_addr_attribute): Early return if
	not VAR_P. Filter attribute warnings with OPT_Wattributes.
	(avr_attribute_table) <io, io_low, address>: Initialize
	.decl_required with true.

2017-08-21  Georg-Johann Lay  <avr@gjlay.de>

	PR target/79883
	* config/avr/avr.c (avr_set_current_function): Typo in diagnostic.

2017-08-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81894
	* doc/extend.texi (x86 Built-in Functions): Correct the name of
	__builtin_ia32_lzcnt_u16.

2017-08-17  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR target/81861
	* config/i386/i386.c (ix86_option_override_internal): Save target
	specific options after ix86_stack_protector_guard_reg was changed.

2017-08-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/81354
	* gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
	Insert on edges rather than explicitly creating landing pads.
	(analyze_candidates_and_replace): Commit edge inserts.

2017-08-15  Joseph Myers  <joseph@codesourcery.com>

	PR target/78460
	PR target/67712
	* config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
	constant count if that count is less than 32.

2017-08-14  Richard Biener  <rguenther@suse.de>

	* BASE-VER: Set to 7.2.1.

2017-08-14  Release Manager

	* GCC 7.2.0 released.

2017-08-08  Richard Biener  <rguenther@suse.de>

	PR middle-end/81766
	* function.c (thread_prologue_and_epilogue_insns): Restore
	behavior of always calling find_many_sub_basic_blocks on
	the inserted prologue.

2017-08-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79499
	* function.c (thread_prologue_and_epilogue_insns): Determine blocks
	for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
	of first NONDEBUG_INSN_P in each of the split_prologue_seq and
	prologue_seq sequences - if any.

2017-08-01  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81641
	* config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
	print "ds:" only for immediates in generic address space.

2017-08-01  Jakub Jelinek  <jakub@redhat.com>

	PR target/81622
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
	__builtin_vec_cmpne verify both arguments are compatible vectors
	before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
	verify arg1_type is a pointer or array type.  For __builtin_vec_st,
	move computation of aligned to after checking the argument types.
	Formatting fixes.

2017-08-01  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-07-26  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/81561
	* gcov.c (unblock): Make unblocking safe as we need to preserve
	index correspondence of blocks and block_lists.

2017-08-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71752
	PR tree-optimization/81633
	* tree-vect-slp.c (vect_get_slp_defs): Handle null operands
	in the original suggested way.

2017-08-01  Richard Sandiford  <richard.sandiford@linaro.org>

	PR tree-optimization/80769
	* tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
	for malloc and calloc.  Document the new invariant that all related
	strinfos have delayed lengths or none do.
	(get_next_strinfo): New function.
	(verify_related_strinfos): Move earlier in file.
	(set_endptr_and_length): New function, split out from...
	(get_string_length): ...here.  Also set the lengths of related
	strinfos.

2017-08-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/81588
	* tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
	ranges[i].in_p, invert comparison code ccode.  For >/>=,
	swap rhs1 and rhs2 and comparison code unconditionally,
	for </<= don't do that.  Don't swap rhs1/rhs2 again if
	ranges[i].in_p, instead invert comparison code ccode if
	opcode or oe->rank is BIT_IOR_EXPR.

2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config.gcc: Add z14.
	* config/s390/driver-native.c (s390_host_detect_local_cpu): Add
	CPU model numbers for z13s and z14.
	* config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
	arch12 with z14.
	* config/s390/s390-opts.h (enum processor_type): Rename
	PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
	* config/s390/s390.c (processor_table): Add field for CPU name to
	be passed to Binutils.
	(s390_asm_output_machine_for_arch): Use the new field in
	processor_table for Binutils.
	(s390_expand_builtin): Replace arch12 with z14.
	(s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
	(s390_get_sched_attrmask): Likewise.
	(s390_get_unit_mask): Likewise.
	* config/s390/s390.opt: Add z14 to processor_type enum.

2017-07-31  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81604
	* ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
	change type to the element type, instead add eltype variable and
	use it where we are interested in the element type.

2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
	(PPC_FEATURE2_SCV): Likewise.
	* config/rs6000/rs6000.c (cpu_supports_info): Use them.

2017-07-28  David Edelsohn  <dje.gcc@gmail.com>

	Backport from mainline
	2017-07-25  David Edelsohn  <dje.gcc@gmail.com>

	* dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
	character for AIX.
	* dwarf2out.c (output_macinfo): Copy debug_line_section_label
	to dl_section_ref.  On AIX, append an expression to subtract
	the size of the section length to dl_section_ref.

2017-07-28  Bin Cheng  <bin.cheng@arm.com>

	Backport from mainline r250496
	2017-07-25  Bin Cheng  <bin.cheng@arm.com>

	PR target/81414
	* config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
	instructions if no du chain is found.

2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
	rs6000/biarch64.h.
	* config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
	(CRT_CALL_STATIC_FUNCTION): Likewise.
	(ASM_DEFAULT_SPEC): New define.
	(ASM_SPEC32): Likewise.
	(ASM_SPEC64): Likewise.
	(ASM_SPEC_COMMON): Likewise.
	(ASM_SPEC): Likewise.
	(INVALID_64BIT): Likewise.
	(LINK_OS_DEFAULT_SPEC): Likewise.
	(LINK_OS_SPEC32): Likewise.
	(LINK_OS_SPEC64): Likewise.
	(POWERPC_LINUX): Likewise.
	(PTRDIFF_TYPE): Likewise.
	(RESTORE_FP_PREFIX): Likewise.
	(RESTORE_FP_SUFFIX): Likewise.
	(SAVE_FP_PREFIX): Likewise.
	(SAVE_FP_SUFFIX): Likewise.
	(SIZE_TYPE): Likewise.
	(SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(TARGET_64BIT): Likewise.
	(TARGET_64BIT): Likewise.
	(TARGET_AIX): Likewise.
	(WCHAR_TYPE_SIZE): Likewise.
	(WCHAR_TYPE): Undefine.
	(TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
	(CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
	(CPP_OS_RTEMS_SPEC): Delete.
	(SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
	asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
	link_os_spec64.
	* config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.

2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
	* config/riscv/rtems.h: New file.

2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
	earlier and only if MASK_FPU is set.  Adjust formatting.

2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/81534
	* config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
	("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
	Change s_operand to memory_operand.

2017-07-27  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/81555
	PR tree-optimization/81556
	* tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
	if true, force CHANGED for the recursive invocation.
	(reassociate_bb): Remember original length of ops array, pass
	len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.

2017-07-27  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-07-17  Martin Liska  <mliska@suse.cz>

	PR sanitizer/81302
	* opts.c (finish_options): Do not allow -fgnu-tm
	w/ -fsanitize={kernel-,}address.  Say sorry.

2017-07-27  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-07-26  Martin Liska  <mliska@suse.cz>

	PR sanitize/81186
	* function.c (expand_function_start): Make expansion of
	nonlocal_goto_save_area after parm_birth_insn.

2017-07-27  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-06-30  Martin Liska  <mliska@suse.cz>

	PR sanitizer/81021
	* tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
	before BUILT_IN_UNWIND_RESUME when ASAN is used.

2017-07-27  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-06-28  Martin Liska  <mliska@suse.cz>

	PR sanitizer/81224
	* asan.c (instrument_derefs): Bail out inner references
	that are hard register variables.

2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
	(sparc_option_override): Honour MASK_FSMULD.
	* config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
	* config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
	* config/sparc/sparc.opt (mfsmuld): New option.
	* doc/invoke.texi (mfsmuld): Document option.

2017-07-26  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-25 trunk r250499.

	PR 81487
	* hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
	* gimple-pretty-print.c (dump_probability): Same.
	* tree-ssa-structalias.c (alias_get_name): Same.

2017-07-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-06-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81410
	* tree-vect-stmts.c (vectorizable_load): Properly adjust for
	the gap in the ! slp_perm SLP case after each group.

	2017-07-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81455
	* tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
	not walk in cycles when looking for guards.

	2017-07-25  Richard Biener  <rguenther@suse.de>

	PR middle-end/81505
	* fold-const.c (fold_negate_const): TREE_OVERFLOW should be
	sticky.

	2017-06-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/81175
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
	rather than def_builtin_pure for __builtin_ia32_gatherpf*.

	2017-06-26  Richard Biener  <rguenther@suse.de>

	PR target/81175
	* config/i386/i386.c (ix86_init_mmx_sse_builtins):
	Use def_builtin_pure for all gather builtins.

	2017-06-21  Marc Glisse  <marc.glisse@inria.fr>

	* config/i386/i386.c (struct builtin_isa): New field pure_p.
	Reorder for compactness.
	(def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
	(def_builtin_pure, def_builtin_pure2): New functions.
	(ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.

2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
	from all CPU target flags enable members.

2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	PR libgcc/61152
	* config/aarch64/rtems.h: Add GCC Runtime Library Exception.
	Format changes.
	* config/arm/rtems.h: Likewise.
	* config/bfin/rtems.h: Likewise.
	* config/i386/rtemself.h: Likewise.
	* config/lm32/rtems.h: Likewise.
	* config/m32c/rtems.h: Likewise.
	* config/m68k/rtemself.h: Likewise.
	* config/microblaze/rtems.h: Likewise.
	* config/mips/rtems.h: Likewise.
	* config/moxie/rtems.h: Likewise.
	* config/nios2/rtems.h: Likewise.
	* config/rs6000/rtems.h: Likewise.
	* config/rtems.h: Likewise.
	* config/sh/rtems.h: Likewise.
	* config/sh/rtemself.h: Likewise.
	* config/sparc/rtemself.h: Likewise.

2017-07-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/81162
	* gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
	replace a negate with an add.

2017-07-25  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-12 trunk r250151.

	PR target/81407
	* config/avr/avr.c (avr_encode_section_info)
	[progmem && !TREE_READONLY]: Error if progmem object needs
	constructing.

2017-07-25  Wilco Dijkstra  <wdijkstr@arm.com>

	PR target/79041
	* config/aarch64/aarch64.c (aarch64_classify_symbol):
	Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.

2017-07-25  Georg-Johann Lay  <avr@gjlay.de>

	Backport from trunk r247719.

	2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>

	PR rtl-optimization/75964
	* simplify-rtx.c (simplify_const_relational_operation): Remove
	invalid handling of comparisons of integer ABS.

2017-07-25  Bin Cheng  <bin.cheng@arm.com>

	Backport from 2017-07-20 trunk r250384.

	PR tree-optimization/81388
	Revert r238585:
	2016-07-21  Bin Cheng  <bin.cheng@arm.com>

	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
	by removing computation of may_be_zero.

2017-07-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80569
	* config/i386/i386.c (ix86_option_override_internal): Disable
	BMI, BMI2 and TBM instructions for -m16.

2017-07-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from trunk
	2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81193
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
	provides the hardware capability bits, define the macro
	__BUILTIN_CPU_SUPPORTS__.
	* config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
	if GLIBC does not provide the hardware capability bits.  Add a
	gcc_unreachable call if the built-in cpu function is neither
	__builtin_cpu_is nor __builtin_cpu_supports.
	* doc/extend.texi (PowerPC built-in functions): Document that
	GLIBC 2.23 or newer is needed by __builtin_cpu_is and
	__builtin_cpu_supports.  Document the macros defined by GCC if the
	newer GLIBC is available.

2017-07-18  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81471
	* config/i386/i386.md (rorx_immediate_operand): New mode attribute.
	(*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
	operand 2 predicate.
	(*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
	operand 2 predicate.
	(ror,rol -> rorx splitters): Use const_int_operand as
	operand 2 predicate.

2017-07-18  Tom de Vries  <tom@codesourcery.com>

	backport from mainline:
	PR target/81069
	2017-07-17  Tom de Vries  <tom@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
	as possible.

2017-07-18  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-18 trunk r250301.

	PR target/81473
	* config/avr/avr.c (avr_optimize_casesi): Don't use
	INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.

2017-07-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/81428
	* match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
	can't be built for those types.

	PR tree-optimization/81365
	* tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
	aggregate moves onto bb predecessor edges, make sure there are no
	loads that could alias the lhs in between the start of bb and the
	loads from *phi.

	Backported from mainline
	2017-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/81225
	* config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For
	V8FI, V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
	of nonimmediate_operand and <store_mask_constraint> instead of m for
	the input operand.  For V8FI iterator, always split if input is a MEM.
	For V16FI and V8SF_256 iterators, don't test if both operands are MEM
	if <mask_applied>.  For VI4F_256 iterator, use <store_mask_predicate>
	instead of register_operand and <store_mask_constraint> instead of v for
	the input operand.  Make sure both operands aren't MEMs for if not
	<mask_applied>.

2017-07-17  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-17 trunk r250258.

	PR 80929
	* config/avr/avr.c (avr_mul_highpart_cost): New static function.
	(avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
	[LSHIFTRT, outer_code = TRUNCATE]: Same.

2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	Backport from mainline
	2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	*  gcc/config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
	conditional builtin define __FIX_LEON3FT_B2BST.

2017-07-17  Daniel Cederman  <cederman@gaisler.com>

	Backport from mainline
	2017-07-17  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
	MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
	with -mfix-ut700.

2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/81424
	* optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
	to remove potential trapping from operands if -fnon-call-exceptions.

2017-07-16  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
	to back store errata sensitive sequence from being generated.
	(sqrtdf2_fix): Likewise.

2017-07-12  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-12 trunk r250156.

	PR target/79883
	* config/avr/avr.c (avr_set_current_function): In diagnostic
	messages: Quote keywords and (parts of) identifiers.
	[WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
	"INTERRUPT".

2017-07-11  Daniel Cederman  <cederman@gaisler.com>

	* config/sparc/sparc.opt (mfix-ut700): New option.
	(mfix-gr712rc): Likewise.
	(sparc_fix_b2bst): New variable.
	* doc/invoke.texi (SPARC options): Document them.
	(ARM options): Fix warnings.
	* config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
	instructions to prevent sequences that can trigger the store-store
	errata for certain LEON3FT processors.
	(pass_work_around_errata::gate): Also test sparc_fix_b2bst.
	(sparc_option_override): Set sparc_fix_b2bst appropriately.
	* config/sparc/sparc.md (fix_b2bst): New attribute.
	(in_branch_delay): Prevent stores in delay slot if fix_b2bst.

2017-07-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81375
	* config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
	(rcpps): Ditto.
	(*rsqrtsf2_sse): Ditto.
	(rsqrtsf2): Ditto.
	(div<mode>3): Macroize insn from divdf3 and divsf3
	using MODEF mode iterator.

2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/81348
	* config/rs6000/rs6000.md (HI sign_extend splitter): Use the
	correct operand in doing the split.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/m8.md: New file.
	* config/sparc/sparc.md: Include m8.md.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/sparc.opt: New option -mvis4b.
	* config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
	(sparc_option_override): Handle VIS4B.
	(enum sparc_builtins): Define
	SPARC_BUILTIN_DICTUNPACK{8,16,32},
	SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
	SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
	SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
	SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
	(check_constant_argument): New function.
	(sparc_vis_init_builtins): Define builtins
	__builtin_vis_dictunpack{8,16,32},
	__builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
	__builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
	__builtin_vis_fpcmpde{8,16,32}shl and
	__builtin_vis_fpcmpur{8,16,32}shl.
	(sparc_expand_builtin): Check that the constant operands to
	__builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
	constant and in range.
	* config/sparc/sparc-c.c (sparc_target_macros): Handle
	TARGET_VIS4B.
	* config/sparc/sparc.h (SPARC_IMM2_P): Define.
	(SPARC_IMM5_P): Likewise.
	* config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
	(enabled): Handle vis4b.
	(UNSPEC_DICTUNPACK): New unspec.
	(UNSPEC_FPCMPSHL): Likewise.
	(UNSPEC_FPUCMPSHL): Likewise.
	(UNSPEC_FPCMPDESHL): Likewise.
	(UNSPEC_FPCMPURSHL): Likewise.
	(cpu_feature): New CPU feature `vis4b'.
	(dictunpack{8,16,32}): New insns.
	(FPCSMODE): New mode iterator.
	(fpcscond): New code iterator.
	(fpcsucond): Likewise.
	(fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
	(fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
	(fpcmpde{8,16,32}{si,di}shl): Likewise.
	(fpcmpur{8,16,32}{si,di}shl): Likewise.
	* config/sparc/constraints.md: Define constraints `q' for unsigned
	2-bit integer constants and `t' for unsigned 5-bit integer
	constants.
	* config/sparc/predicates.md (imm5_operand_dictunpack8): New
	predicate.
	(imm5_operand_dictunpack16): Likewise.
	(imm5_operand_dictunpack32): Likewise.
	(imm2_operand): Likewise.
	* doc/invoke.texi (SPARC Options): Document -mvis4b.
	* doc/extend.texi (SPARC VIS Built-in Functions): Document the
	ditunpack* and fpcmp*shl builtins.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config.gcc: Handle m8 in --with-{cpu,tune} options.
	* config.in: Add HAVE_AS_SPARC6 define.
	* config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
	M8.
	* config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
	TARGET_CPU_m8.
	(ASM_CPU32_DEFAUILT_SPEC): Likewise.
	(CPP_CPU_SPEC): Handle m8.
	(ASM_CPU_SPEC): Likewise.
	* config/sparc/sparc-opts.h (enum processor_type): Add
	PROCESSOR_M8.
	* config/sparc/sparc.c (m8_costs): New struct.
	(sparc_option_override): Handle TARGET_CPU_m8.
	(sparc32_initialize_trampoline): Likewise.
	(sparc64_initialize_trampoline): Likewise.
	(sparc_issue_rate): Likewise.
	(sparc_register_move_cost): Likewise.
	* config/sparc/sparc.h (TARGET_CPU_m8): Define.
	(CPP_CPU64_DEFAULT_SPEC): Define for M8.
	(ASM_CPU64_DEFAULT_SPEC): Likewise.
	(CPP_CPU_SPEC): Handle M8.
	(ASM_CPU_SPEC): Likewise.
	(AS_M8_FLAG): Define.
	* config/sparc/sparc.md: Add m8 to the cpu attribute.
	* config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
	* configure.ac (HAVE_AS_SPARC6): Check for assembler support for
	M8 instructions.
	* configure: Regenerate.
	* doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
	-mtune=m8.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/niagara7.md: Rework the DFA scheduler to use insn
	subtypes.
	* config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
	("*movdi_insn_sp32"): Do not set v3pipe.
	("*movsi_insn"): Likewise.
	("*movdi_insn_sp64"): Likewise.
	("*movsf_insn"): Likewise.
	("*movdf_insn_sp32"): Likewise.
	("*movdf_insn_sp64"): Likewise.
	("*zero_extendsidi2_insn_sp64"): Likewise.
	("*sign_extendsidi2_insn"): Likewise.
	("*mov<VM32:mode>_insn"): Likewise.
	("*mov<VM64:mode>_insn_sp64"): Likewise.
	("*mov<VM64:mode>_insn_sp32"): Likewise.
	("<plusminus_insn><VADDSUB:mode>3"): Likewise.
	("<vlop:code><VL:mode>3"): Likewise.
	("*not_<vlop:code><VL:mode>3"): Likewise.
	("*nand<VL:mode>_vis"): Likewise.
	("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
	("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
	("one_cmpl<VL:mode>2"): Likewise.
	("faligndata<VM64:mode>_vis"): Likewise.
	("alignaddrsi_vis"): Likewise.
	("alignaddrdi_vis"): Likweise.
	("alignaddrlsi_vis"): Likewise.
	("alignaddrldi_vis"): Likewise.
	("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
	("bmaskdi_vis"): Likewise.
	("bmasksi_vis"): Likewise.
	("bshuffle<VM64:mode>_vis"): Likewise.
	("cmask8<P:mode>_vis"): Likewise.
	("cmask16<P:mode>_vis"): Likewise.
	("cmask32<P:mode>_vis"): Likewise.
	("pdistn<P:mode>_vis"): Likewise.
	("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/sparc.md ("subtype"): New insn attribute.
	("*wrgsr_sp64"): Set insn subtype.
	("*rdgsr_sp64"): Likewise.
	("alignaddrsi_vis"): Likewise.
	("alignaddrdi_vis"): Likewise.
	("alignaddrlsi_vis"): Likewise.
	("alignaddrldi_vis"): Likewise.
	("<plusminus_insn><VADDSUB:mode>3"): Likewise.
	("fexpand_vis"): Likewise.
	("fpmerge_vis"): Likewise.
	("faligndata<VM64:mode>_vis"): Likewise.
	("bshuffle<VM64:mode>_vis"): Likewise.
	("cmask8<P:mode>_vis"): Likewise.
	("cmask16<P:mode>_vis"): Likewise.
	("cmask32<P:mode>_vis"): Likewise.
	("fchksm16_vis"): Likewise.
	("v<vis3_shift_patname><GCM:mode>3"): Likewise.
	("fmean16_vis"): Likewise.
	("fp<plusminus_insn>64_vis"): Likewise.
	("<plusminus_insn>v8qi3"): Likewise.
	("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
	("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
	("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
	("<vis3_addsub_ss_patname>v8qi3"): Likewise.
	("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
	("*movqi_insn"): Likewise.
	("*movhi_insn"): Likewise.
	("*movsi_insn"): Likewise.
	("movsi_pic_gotdata_op"): Likewise.
	("*movdi_insn_sp32"): Likewise.
	("*movdi_insn_sp64"): Likewise.
	("movdi_pic_gotdata_op"): Likewise.
	("*movsf_insn"): Likewise.
	("*movdf_insn_sp32"): Likewise.
	("*movdf_insn_sp64"): Likewise.
	("*zero_extendhisi2_insn"): Likewise.
	("*zero_extendqihi2_insn"): Likewise.
	("*zero_extendqisi2_insn"): Likewise.
	("*zero_extendqidi2_insn"): Likewise.
	("*zero_extendhidi2_insn"): Likewise.
	("*zero_extendsidi2_insn_sp64"): Likewise.
	("ldfsr"): Likewise.
	("prefetch_64"): Likewise.
	("prefetch_32"): Likewise.
	("tie_ld32"): Likewise.
	("tie_ld64"): Likewise.
	("*tldo_ldub_sp32"): Likewise.
	("*tldo_ldub1_sp32"): Likewise.
	("*tldo_ldub2_sp32"): Likewise.
	("*tldo_ldub_sp64"): Likewise.
	("*tldo_ldub1_sp64"): Likewise.
	("*tldo_ldub2_sp64"): Likewise.
	("*tldo_ldub3_sp64"): Likewise.
	("*tldo_lduh_sp32"): Likewise.
	("*tldo_lduh1_sp32"): Likewise.
	("*tldo_lduh_sp64"): Likewise.
	("*tldo_lduh1_sp64"): Likewise.
	("*tldo_lduh2_sp64"): Likewise.
	("*tldo_lduw_sp32"): Likewise.
	("*tldo_lduw_sp64"): Likewise.
	("*tldo_lduw1_sp64"): Likewise.
	("*tldo_ldx_sp64"): Likewise.
	("*mov<VM32:mode>_insn"): Likewise.
	("*mov<VM64:mode>_insn_sp64"): Likewise.
	("*mov<VM64:mode>_insn_sp32"): Likewise.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/sparc.md ("type"): New insn type viscmp.
	("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
	viscmp.
	("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
	("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
	("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
	* config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
	viscmp.
	("n7_vis_logical_11cycle"): Likewise.
	* config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
	* config/sparc/niagara2.md ("niag3_vis": Likewise.
	* config/sparc/niagara.md ("niag_vis"): Likewise.
	* config/sparc/ultra3.md ("us3_fga"): Likewise.
	* config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.

2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* config/sparc/sparc.md: New instruction type `bmask'.
	(bmaskdi_vis): Use the `bmask' type.
	(bmasksi_vis): Likewise.
	* config/sparc/ultra3.md (us3_array): Likewise.
	* config/sparc/niagara7.md (n7_array): Likewise.
	* config/sparc/niagara4.md (n4_array): Likewise.
	* config/sparc/niagara2.md (niag2_vis): Likewise.
	(niag3_vis): Likewise.
	* config/sparc/niagara.md (niag_vis): Likewise.

2017-07-05  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2017-07-05 trunk r249995.

	PR target/81305
	* config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
	Don't depend on "optimize > 0".
	(out_movhi_r_mr, out_movqi_mr_r): Same.
	(out_movhi_mr_r, out_movqi_r_mr): Same.
	(avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
	io_address_operand on "optimize > 0".

2017-07-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81300
	* config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
	Require dead FLAGS_REG at the beginning of a peephole.

2017-07-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81294
	* config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
	arguments in the call to __builtin_ia32_sbb_u32.
	(_subborrow_u64): Swap _X and _Y arguments in the call to
	__builtin_ia32_sbb_u64.

2017-07-03  Segher Boessenkool  <segher@kernel.crashing.org>

	Backport from trunk:

	2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
	of REGNO.

2017-07-03  Tom de Vries  <tom@codesourcery.com>

	backport from mainline:
	PR tree-optimization/81192
	2017-07-03  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
	BB_SAME_SUCC (bb) == NULL.

2017-06-29  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80510
	* config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
	32-bit, since indexed is not valid for DImode.
	(mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
	3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
	(define_peephole2 for Altivec d-form load): Add 32-bit support.
	(define_peephole2 for Altivec d-form store): Likewise.

	Backport from mainline
	2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79799
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
	for doing vector set of SFmode on ISA 3.0.
	* config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
	(vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
	element.
	(vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
	SFmode value into a V4SF variable that was extracted from another
	V4SF variable without converting the element to double precision
	and back to single precision vector format.
	(vsx_insert_extract_v4sf_p9_2): Likewise.

2017-06-29  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-06-19  Richard Biener  <rguenther@suse.de>

	PR ipa/81112
	* ipa-prop.c (find_constructor_constant_at_offset): Handle
	RANGE_EXPR conservatively.

2017-06-28  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-06-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/81007
	* ipa-polymorphic-call.c
	(ipa_polymorphic_call_context::restrict_to_inner_class):
	Skip FIELD_DECLs with error_mark_node type.
	* passes.def (all_lowering_passes): Run pass_build_cgraph_edges
	last again.

	2017-06-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81083
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
	as values.

2017-06-27  Segher Boessenkool  <segher@kernel.crashing.org>

	Backports from trunk:

	2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
	PR middle-end/80692
	* real.c (do_compare): Give decimal_do_compare preference over
	comparing just the signs.

	2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
	PR target/80618
	* config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
	splitter result in the canonical way.

	2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
	PR target/80966
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
	gen_add3_insn did not fail.
	* config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
	r0, construct that number in a temporary reg and add that reg to r0.
	If asked to put the result in r0 as well, fail.

	2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
	PR middle-end/80902
	* builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
	a call, force the call to not be a tail call.

2017-06-27  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81209
	* ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.

	PR middle-end/81207
	* gimple-fold.c (replace_call_with_call_and_fold): Handle
	gimple_vuse copying separately from gimple_vdef copying.

2017-06-24  Jim Wilson  <jim.wilson@linaro.org>

	* config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
	here.
	* config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
	* config/arm/arm-cpu-cdata.h: Regenerate.
	* config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
	* config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
	* config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
	* config/arm/arm.c (arm_qdf24xx_tune): Delete.
	* config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
	support.
	* config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
	support.
	* config/arm/t-rmprofile: Likewise.
	* doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.

2017-06-24  Marek Polacek  <polacek@redhat.com>

	Backport from mainline
	2017-05-04  Marek Polacek  <polacek@redhat.com>

	PR tree-optimization/80612
	* calls.c (get_size_range): Check for INTEGRAL_TYPE_P.

2017-06-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	Backport from mainline
	2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

	* config/arm/arm-builtins.c (arm_init_builtins): Rename
	__builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
	__builtin_arm_stfscr to __builtin_arm_set_fpscr.

2017-06-23  Jonathan Wakely  <jwakely@redhat.com>

	PR c++/81187
	* doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
	-Wnoexcept.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-06-19  Martin Liska  <mliska@suse.cz>

	PR sanitizer/80879
	* gimplify.c (gimplify_switch_expr):
	Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-31  Martin Liska  <mliska@suse.cz>

	PR target/79155
	* config/i386/cpuid.h: Fix typo in a comment in cpuid.h.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-30  Martin Liska  <mliska@suse.cz>

	PR other/80909
	* auto-profile.c (get_function_decl_from_block): Fix
	parenthesis.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-26  Martin Liska  <mliska@suse.cz>

	PR ipa/80663
	* params.def: Bound partial-inlining-entry-probability param.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-16  Martin Liska  <mliska@suse.cz>

	PR ipa/79849.
	PR ipa/79850.
	* ipa-devirt.c (warn_types_mismatch): Fix typo.
	(odr_types_equivalent_p): Likewise.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-15  Martin Liska  <mliska@suse.cz>

	PR driver/31468
	* gcc.c (process_command): Do not allow empty argument of -o option.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-02  Martin Liska  <mliska@suse.cz>

	* doc/gcov.texi: Add missing preposition.
	* gcov.c (function_info::function_info): Properly fill up
	all member variables.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-05-02  Martin Liska  <mliska@suse.cz>

	PR other/80589
	* common.opt: Fix typo.
	* doc/invoke.texi: Likewise.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-04-28  Martin Liska  <mliska@suse.cz>

	* doc/gcov.texi: Enhance documentation of gcov.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-04-28  Martin Liska  <mliska@suse.cz>

	* doc/gcov.texi: Sort options in alphabetic order.
	* doc/gcov-dump.texi: Likewise.
	* doc/gcov-tool.texi: Likewise.
	* gcov.c (print_usage): Likewise.
	* gcov-dump.c (print_usage): Likewise.
	* gcov-tool.c (print_merge_usage_message): Likewise.
	(print_rewrite_usage_message): Likewise.
	(print_overlap_usage_message): Likewise.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-04-28  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/53915
	* gcov.c (format_gcov): Print 'NAN %' when top > bottom.

2017-06-22  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-04-28  Martin Liska  <mliska@suse.cz>

	PR driver/56469
	* coverage.c (coverage_remove_note_file): New function.
	* coverage.h: Declare the function.
	* toplev.c (finalize): Clean if an error has been seen.

2017-06-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/81151
	* config/i386/sse.md (round<mode>2): Renumber match_dup and
	operands indexes to avoid gap between operands and match_dups.

	PR c++/81130
	* gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
	with ctors/dtors if GOVD_SHARED is set.

	Backported from mainline
	2017-06-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/81121
	* config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
	splitter): Require TARGET_SSE2 in the condition.

	PR sanitizer/81125
	* ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
	by removing enum keyword.
	(ubsan_type_descriptor): Likewise.  Formatting fix.

	2017-06-19  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81125
	* ubsan.h (enum ubsan_encode_value_phase): New.
	(ubsan_encode_value): Change second argument to
	enum ubsan_encode_value_phase with default value of
	UBSAN_ENCODE_VALUE_GENERIC.
	* ubsan.c (ubsan_encode_value): Change second argument to
	enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
	adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
	create_tmp_var_raw instead of create_tmp_var and use a
	TARGET_EXPR.
	(ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
	instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
	ubsan_encode_value callers.

	PR sanitizer/81111
	* ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
	use create_tmp_var_raw instead of create_tmp_var, mark it addressable
	just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.

2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>

	Backport from Mainline
	* config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
	feature string.

2017-06-20  Andreas Schwab  <schwab@suse.de>

	PR target/80970
	* config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
	instead of "+d".

2017-06-19  James Greenhalgh  <james.greenhalgh@arm.com>

	Backport from mainline
	2017-06-19  James Greenhalgh  <james.greenhalgh@arm.com>

	PR target/71778
	* config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
	if given a non-constant argument for an intrinsic which requires a
	constant.

2017-06-19  Alexander Monakov  <amonakov@ispras.ru>

	* doc/invoke.texi (mcx16): Rewrite.

2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/80474
	* reorg.c (update_block): Do not ignore instructions in a delay slot.

2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
	(MASK_FEATURES): New macro.
	* config/sparc/sparc.c (sparc_option_override): Remove the special
	handling of -mfpu and generalize it to all MASK_FEATURES switches.

2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.

2017-06-12  David S. Miller  <davem@davemloft.net>

	PR target/80968
	* config/sparc/sparc.md (return expander): Emit frame blockage if
	function uses alloca.

2017-06-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/81015
	Revert:
	2016-12-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/59874
	* config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
	(*clzhi2): Ditto.

2017-06-08  David Edelsohn  <dje.gcc@gmail.com>

	Backport from mainline
	2017-06-02  David Edelsohn  <dje.gcc@gmail.com>

	* dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
	(dl_section_ref): New.
	(dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
	On AIX, append an expression to subtract the size of the
	section length to dl_section_ref.

2017-06-07  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-05-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80549
	* tree-cfgcleanup.c (mfb_keep_latches): New helper.
	(cleanup_tree_cfg_noloop): Create forwarders to known loop
	headers if they do not have a preheader.

	2017-05-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80842
	* tree-ssa-ccp.c (set_lattice_value): Always meet with the old
	value.

	2017-05-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80906
	* graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
	and pass through iv_map.
	(copy_bb_and_scalar_dependences): Adjust.
	(translate_pending_phi_nodes): Likewise.
	(copy_loop_close_phi_args): Handle code-generating IVs instead
	of ICEing.

	2017-05-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80705
	* tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
	bases are not vectorizable.

2017-06-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from mainline
	2017-05-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80718
	* config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Prefer
	VSX registers over GPRs, particularly on ISA 2.07 which does not
	have the MTVSRDD instruction.

2017-06-06  David S. Miller  <davem@davemloft.net>

	PR target/80968
	* config/sparc/sparc.c (sparc_expand_prologue): Emit frame
	blockage if function uses alloca.

2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>

	* doc/invoke.texi (-Wduplicated-branches): Add to warning list.

2017-06-02  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

	Backport from mainline
	2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
		    Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

	PR target/71607
	* config/arm/arm.md (use_literal_pool): Remove.
	(64-bit immediate split): No longer takes cost into consideration
	if arm_disable_literal_pool is enabled.
	* config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
	used when arm_disable_literal_pool is enabled.
	(arm_max_const_double_inline_cost): Remove use of
	arm_disable_literal_pool.
	(push_minipool_fix): Add assert.
	(arm_reorg): Add return if arm_disable_literal_pool is enabled.
	* config/arm/vfp.md (no_literal_pool_df_immediate): New.
	(no_literal_pool_sf_immediate): New.

2017-06-02  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/80903
	* loop-doloop.c (add_test): Unshare sequence.

2017-05-31  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2017-04-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/80293
	* tree-sra.c (scalarizable_type_p): New parameter const_decl, make
	char arrays not totally scalarizable if it is false.
	(analyze_all_variable_accesses): Pass correct value in the new
	parameter.  Add a statistics counter.

2017-05-30  Max Filippov  <jcmvbkbc@gmail.com>

	Backport from mainline
	2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/xtensa.c (xtensa_emit_call): Use
	HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
	(print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
	format string.

2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/install.texi (Options specification): Restore entry of
	--enable-sjlj-exceptions.

2017-05-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80725
	* config/s390/s390.c (s390_check_qrst_address): Check incoming
	address against address_operand predicate.
	* config/s390/s390.md ("*indirect_jump"): Swap alternatives.

2017-05-28  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2017-05-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal): Remove SSE4
	alternative 18 (?r, *v).  Update insn attributes.
	(*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
	Update insn attributes.
	(*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
	Update insn attributes.
	* config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
	alternative 1 (r, v). Remove isa attribute.
	* config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
	Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
	and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.

	2017-05-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
	to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
	and (?*y,m).  Update insn attributes.

2017-05-26  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>

	Backported from mainline
	2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>

	* config/sparc/sparc.md (length): Return the correct value for -mflat
	sibcalls to match output_sibcall.

2017-05-26  Marek Polacek  <polacek@redhat.com>

	Backported from mainline
	2017-05-26  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/80875
	* fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
	can be negated.

2017-05-26  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2017-05-22  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/80809
	* omp-low.c (finish_taskreg_remap): New function.
	(finish_taskreg_scan): If unit size of ctx->record_type
	is non-constant, unshare the size expression and replace
	decls in it with possible outer var refs.

	PR middle-end/80809
	* gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
	GOVD_SHARED rather than GOVD_PRIVATE with it.
	(gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
	GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.

	PR middle-end/80853
	* omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
	as last argument to build_outer_var_ref for pointer bases of array
	section reductions.

2017-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from trunk
	2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80510
	* config/rs6000/predicates.md (simple_offsettable_mem_operand):
	New predicate.

	* config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
	(define_peephole2 for Altivec d-form load): Add peepholes to catch
	cases where the register allocator uses a move and an offsettable
	memory operation to/from a FPR register on ISA 2.06/2.07.
	(define_peephole2 for Altivec d-form store): Likewise.

	Backport from trunk
	2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/68163
	* config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
	are now unused after splitting mov{sf,sd}_hardfloat.
	(f32_lr2): Likewise.
	(f32_lm): Likewise.
	(f32_lm2): Likewise.
	(f32_li): Likewise.
	(f32_li2): Likewise.
	(f32_lv): Likewise.
	(f32_sr): Likewise.
	(f32_sr2): Likewise.
	(f32_sm): Likewise.
	(f32_sm2): Likewise.
	(f32_si): Likewise.
	(f32_si2): Likewise.
	(f32_sv): Likewise.
	(f32_dm): Likewise.
	(f32_vsx): Likewise.
	(f32_av): Likewise.
	(mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
	For movsf, order stores so the VSX stores occur before the GPR
	store which encourages the register allocator to use a traditional
	FPR instead of a GPR.  For movsd, order the stores so that the GPR
	store comes before the VSX stores to allow the power6 to work.
	This is due to the power6 not having a 32-bit integer store
	instruction from a FPR.
	(movsf_hardfloat): Likewise.
	(movsd_hardfloat): Likewise.

2017-05-25  Wilco Dijkstra  <wdijkstr@arm.com>

	Backport from mainlin
	PR rtl-optimization/80754
	* lra-remat.c (do_remat): Add overlap checks for dst_regno.

2017-05-25  Wilco Dijkstra  <wdijkstr@arm.com>

	Backport from mainline
	PR target/80671
	* config/aarch64/cortex-a57-fma-steering.c (merge_forest):
	Move member access before delete.

2017-05-23  Sheldon Lobo  <sheldon.lobo@oracle.com>

	Backport from mainline
	2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>

	* config/sparc/sparc.c (sparc_option_override): Set function
	alignment for -mcpu=niagara7 to 64 to match the I$ line.
	* config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
	latency to 1.
	* config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
	latency to 2.
	* config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.

2017-05-19  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2017-05-18  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80799
	* config/i386/mmx.md (*mov<mode>_internal): Enable
	alternatives 11, 12, 13 and 14 also for 32bit targets.
	Remove alternatives 15, 16, 17 and 18.
	* config/i386/sse.md (vec_concatv2di): Change
	alternative (!x, *y) to (x, ?!*Yn).

2017-05-14  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2017-05-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80706
	* config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
	(UNSPEC_STX_ATOMIC): Ditto.
	(loaddi_via_sse): New insn.
	(storedi_via_sse): Ditto.
	(atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
	Update corresponding peephole2 patterns.
	(atomic_storedi_fpu): Ditto.

2017-05-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
	(rs6000_init_cost): Initialize rs6000_vect_nonmem.
	(rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
	(rs6000_finish_cost): Avoid vectorizing simple copy loops with
	VF=2 that require versioning.

2017-05-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
	built-ins for vec_xl and vec_xst with short and char pointer
	arguments.

2017-05-10  John David Anglin  <danglin@gcc.gnu.org>

	PR target/80090
	* config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
	handle calling assemble_external ourself.

	PR target/79027
	* config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
	modes with zero size.  Enhance comment.

2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Back port from mainline
	2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	PR target/79202
	PR target/79203
	* config/rs6000/rs6000.md (u code attribute): Add FIX and
	UNSIGNED_FIX.
	(extendsi<mode>2): Add support for doing sign extension via
	VUPKHSW and XXPERMDI if the value is in Altivec registers and we
	don't have ISA 3.0 instructions.
	(extendsi<mode>2 splitter): Likewise.
	(fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
	generate the normal insns since SImode can now go in vector
	registers.  Disallow the special UNSPECs needed for previous
	machines to hide SImode being used.  Add new insns
	fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
	(fix_trunc<mode>si2_stfiwx): Likewise.
	(fix_trunc<mode>si2_internal): Likewise.
	(fixuns_trunc<mode>si2): Likewise.
	(fixuns_trunc<mode>si2_stfiwx): Likewise.
	(fctiw<u>z_<mode>_smallint): Likewise.
	(fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
	of floating point to 32-bit integer from doing a direct move to
	the GPR registers to do a store.
	(fctiwz_<mode>): Break long line.

2017-05-08  Tamar Christina  <tamar.christina@arm.com>

	PR middle-end/79665
	* expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
	CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.

2017-05-03  Jan Beulich  <jbeulich@suse.com>

	Backport from mainline
	2017-05-01  Jan Beulich  <jbeulich@suse.com>

	* config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
	swapping, add (x,x,m,x,n) alternative.

2017-05-03  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-04-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80453
	* tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
	* tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
	from the conditions.
	(vn_phi_eq): Pass them down.
	(vn_phi_lookup): Record them.
	(vn_phi_insert): Likewise.

	2017-04-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80492
	* alias.c (compare_base_decls): Handle registers with asm
	specification conservatively.

	2017-04-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/80539
	* tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
	being in loop-closed SSA form conservatively.
	(chrec_fold_multiply_poly_poly): Likewise.

2017-05-02  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2017-05-01  Uros Bizjak  <ubizjak@gmail.com>

	PR target/68491
	* config/i386/cpuid.h (__get_cpuid): Always return 0 when
	__get_cpuid_max returns 0.
	(__get_cpuid_count): Ditto.

2017-05-02  Jakub Jelinek <jakub@redhat.com>

	Backported from mainline
	2017-04-25 Jakub Jelinek <jakub@redhat.com>

	* Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
	environment.

2017-05-02  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 7.1.1.

2017-05-02  Release Manager

	* GCC 7.1.0 released.

2017-05-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80591
	Revert
	2017-04-10  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): Properly handle
	asm inputs.

2017-04-28  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/80531
	* cgraph.h (symtab_node::debug_symtab): No longer inline.
	* symtab.c (symtab_node::debug_symtab): Move definition here.

2017-04-27  Richard Earnshaw  <rearnsha@arm.com>

	PR target/80530
	* config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
	that the logic for permitting reciprocal estimates matches that
	in use_rsqrt_p.

2017-04-27  Jakub Jelinek  <jakub@redhat.com>

	PR c++/80534
	* tree.c (type_cache_hasher::equal): Only compare
	TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
	(build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
	non-aggregate element types.
	* tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
	about the flag on ARRAY_TYPEs in the comment, formatting fix.

	PR target/79430
	* reg-stack.c (emit_swap_insn): If i1src mentions the stack pointer,
	punt if tmp contains autoinc of stack pointer.

	PR target/77728
	* config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
	(aarch64_function_arg_alignment): Return unsigned int again, but still
	ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
	(aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
	Don't emit -Wpsabi note.
	(aarch64_function_arg_boundary): Likewise.
	(aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
	caller.

2017-04-25  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/80497
	* gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
	constants are representable in HOST_WIDE_INT.
	(parse_directive): Ditto.

2017-04-25  Marek Polacek  <polacek@redhat.com>

	2017-04-25  Marek Polacek  <polacek@redhat.com>
	Backport from mainline

	PR sanitizer/80349
	* fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
	first argument to type.

2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/77728
	* config/arm/arm.c: Include gimple.h.
	(aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
	returns negative, increment ncrn only if it returned positive.
	(arm_needs_doubleword_align): Return int instead of bool,
	ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
	members, but if there is any such non-FIELD_DECL
	> PARM_BOUNDARY aligned decl, return -1 instead of false.
	(arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
	returns negative, increment nregs only if it returned positive.
	(arm_setup_incoming_varargs): Likewise.
	(arm_function_arg_boundary): Emit -Wpsabi note if
	arm_needs_doubleword_align returns negative, return
	DOUBLEWORD_ALIGNMENT only if it returned positive.

2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>

	Backport from mainline
	PR target/80482
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
	type checks to test for compatibility instead of equality.

2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/77728
	* config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
	type.
	(aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
	struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
	the alignment computation, but return their maximum in warn_alignment.
	(aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
	Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
	is smaller.
	(aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
	(aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
	caller.

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80464
	* config/s390/vector.md: Split MEM->GPR vector moves for
	non-s_operand addresses.

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/79895
	* config/s390/predicates.md (reload_const_wide_int_operand): New
	predicate.
	* config/s390/s390.md ("movti"): Remove d/P alternative.
	("movti_bigconst"): New pattern definition.

2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	Backport from maineline
	2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	PR target/80080
	* s390-protos.h (s390_expand_cs_hqi): Removed.
	(s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
	* config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
	modes as well as CCZ1mode and CCZmode.
	(s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
	signature of s390_emit_compare_and_swap.
	(s390_expand_cs_hqi): Likewise, make static.
	(s390_expand_cs_tdsi): Generate an explicit compare before trying
	compare-and-swap, in some cases.
	(s390_expand_cs): Wrapper function.
	(s390_expand_atomic_exchange_tdsi): New backend specific expander for
	atomic_exchange.
	(s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
	* config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
	patterns for small and large integers.  Forbid symref memory operands.
	Move expander to s390.c.  Require cc register.
	("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
	("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
	("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
	("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
	symref memory operands.  Remove CC mode and call s390_match_ccmode
	instead.
	("atomic_exchange<mode>"): Allow and implement all integer modes.

2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/s390.md (define_peephole2): New peephole to help
	combining the load-and-test pattern with volatile memory.


2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
	with CCZmode for TARGET_Z196.

2017-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/80501
	* combine.c (make_compound_operation_int): Set subreg_code to SET
	even for AND with mask of the sign bit of mode.

	PR rtl-optimization/80500
	* loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
	sum's initial value.

2017-04-24  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-04-24  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/79931
	* ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.

2017-04-20  Alexander Monakov  <amonakov@ispras.ru>

	Backport from mainline
	2017-04-20  Alexander Monakov  <amonakov@ispras.ru>

	* omp-low.c (lower_lastprivate_clauses): Correct handling of linear
	and lastprivate clauses in SIMT case.

2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	Backport from mainline
	2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	* config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
	uninitialized variable warning to avoid buffer overrun.

2017-04-20  Jakub Jelinek  <jakub@redhat.com>

	* DEV-PHASE: Set to prerelease.

2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
	priority .init_array and .fini_array section with SECTION_NOTYPE
	flag.

2017-04-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/80423
	* tree.h (build_array_type): Add typeless_storage default argument.
	* tree.c (type_cache_hasher::equal): Also compare
	TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
	(build_array_type): Add typeless_storage argument, set
	TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
	recursive call.
	(build_nonshared_array_type): Adjust build_array_type_1 caller.
	(build_array_type): Likewise.  Add typeless_storage argument.

2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/80426
	* tree-vrp.c (extract_range_from_binary_expr_1): For an additive
	operation on symbolic operands, also compute the overflow for the
	invariant part when the operation degenerates into a negation.

2017-04-19  Jakub Jelinek  <jakub@redhat.com>

	PR debug/80461
	* dwarf2out.c (modified_type_die, gen_type_die_with_usage):
	Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.

	PR debug/80436
	* tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.

2017-04-19  Georg-Johann Lay  <avr@gjlay.de>

	PR target/80462
	* config/avr/avr.c (tree.h): Include it.
	(cgraph.h): Include it.
	(avr_encode_section_info): Don't warn for uninitialized progmem
	variable if it's just an alias.

2017-04-19  Richard Biener  <rguenther@suse.de>

	PR ipa/65972
	* auto-profile.c (afdo_vpt_for_early_inline): Update SSA
	when needed by AutoPGO.

2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>

	PR lto/50345
	* doc/lto.texi: Remove an extra 'that'.

2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/80429
	* ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
	are only used in debug insns.

2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
	    Vladimir Makarov  <vmakarov@redhat.com>

	* config/sparc/predicates.md (input_operand): Add comment.  Return
	true for any memory operand when LRA is in progress.
	* config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.

2017-04-18  Jeff Law  <law@redhat.com>

	PR target/74563
	* mips.md ({return,simple_return}_internal): Do not overwrite
	operands[0].

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/80443
	* tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
	instead of adding 1, subtract -1 and similarly instead of subtracting
	1 add -1.

2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>

	PR rtl-optimization/80357
	* haifa-sched.c (tmp_bitmap): New variable.
	(model_recompute): Handle duplicate use records.
	(alloc_global_sched_pressure_data): Initialize tmp_bitmap.
	(free_global_sched_pressure_data): Free it.

2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	Revert:
	2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
	* Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
	(LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
	instead of SYSTEM_HEADER_DIR.

2017-04-18  Jeff Law  <law@redhat.com>

	PR middle-end/80422
	* cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
	predecessors after walking up the insn chain.

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/80263
	* dwarf2out.c (modified_type_die): Try harder not to emit internal
	sizetype type into debug info.

2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80099
	* config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
	unneeded test for TARGET_UPPER_REGS_SF.
	* config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/80444
	* sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
	instead of gsi_after_labels.

2017-04-18  Jeff Law  <law@redhat.com>

	* regcprop.c (maybe_mode_change): Avoid creating copies of the
	stack pointer.

	Revert:
	2017-04-13  Jeff Law  <law@redhat.com>
	* config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
	in operands[1] if it is a MEM and TARGET_MIPS16 is active.

2017-04-18  Georg-Johann Lay  <avr@gjlay.de>

	PR target/79453
	* config/avr/avr.c (intl.h): Include it.
	(avr_pgm_check_var_decl) [reason]: Wrap	diagnostic snippets into _().

2017-04-18  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/78783
	* gcov-tool.c (gcov_output_files): Validate that destination
	file is either removed by the tool or by a user.

2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
	    Guy Benyei  <guybe@mellanox.com>

	* config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
	block, and do not negate it, the stored id is already negative.

2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>

	* config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.

2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/80098
	* config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
	masks of options that should be turned off if the VSX vector
	options are turned off.
	(OTHER_P8_VECTOR_MASKS): Likewise.
	(OTHER_VSX_VECTOR_MASKS): Likewise.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Call
	rs6000_disable_incompatible_switches to validate no type switches
	like -mvsx.
	(rs6000_incompatible_switch): New function to disallow turning on
	other vector options if -mno-vsx, -mno-power8-vector, or
	-mno-power9-vector are specified.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
	* config/arc/arc.c (arc_decl_pretend_args): Likewise.
	* config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
	(ARG_POINTER_CFA_OFFSET): Likewise.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (arc_mode_dependent_address_p): Relax
	conditions to take advantage of various optimizations.

2017-04-13  Jeff Law  <law@redhat.com>

	* config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
	in operands[1] if it is a MEM and TARGET_MIPS16 is active.
	(zero_extendsidi2_dext): Likewise.

2017-04-13  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/80403
	* fold-const.c (fold_ternary_loc): Revert
	use op0 instead of fold_convert_loc (loc, type, arg0) part of
	2017-04-12 change.

2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/80343
	* lra-remat.c (update_scratch_ops): Assign original hard reg to
	new scratch pseudo.

2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>

	PR sanitizer/80414
	* ubsan.c (ubsan_expand_bounds_ifn): Pass original index
	to ubsan_encode_value.

2017-04-13  Jeff Law  <law@redhat.com>

	* reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
	appearing in DEBUG_INSNs.

2017-04-13  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/80413
	* gcov-io.c (gcov_write_string): Copy to buffer just when
	allocated size is greater than zero.

2017-04-13  Jakub Jelinek  <jakub@redhat.com>

	PR debug/80321
	* dwarf2out.c (decls_for_scope): Ignore declarations of
	current_function_decl in BLOCK_NONLOCALIZED_VARS.

2017-04-12  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/69953 
	* ipa-visibility.c (non_local_p): Fix typos.
	(localize_node): When localizing symbol in same comdat group,
	dissolve the group only when we know external symbols are going
	to be privatized.
	(function_and_variable_visibility): Do not localize DECL_EXTERNAL.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79390
	* optabs.c (emit_conditional_move): If the preferred op2/op3 operand
	order does not result in usable sequence, retry with reversed operand
	order.

	PR sanitizer/80403
	PR sanitizer/80404
	PR sanitizer/80405
	* fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
	to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
	op0 instead of fold_convert_loc (loc, type, arg0).

2017-04-12  Jeff Law  <law@redhat.com>

	* genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
	has a delay slot in the generated code.

	* config/cris/cris.md (cris_preferred_reload_class): Return
	GENNONACR_REGS rather than GENERAL_REGS.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/80163
	* expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
	vs. ZERO_EXTEND based on signedness of treeop0's type rather than
	signedness of the result type.

2017-04-12  Richard Biener  <rguenther@suse.de>
	    Jeff Law  <law@redhat.com>

	PR tree-optimization/80359
	* tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
	trim stores to TARGET_MEM_REFs.

2017-04-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79390
	* gimple-ssa-split-paths.c (is_feasible_trace): Restrict
	threading case even more.

2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/80382
	* config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
	for quad_address_p for TImode, instead of just not indexed_address.

2017-04-12  Richard Biener  <rguenther@suse.de>
	    Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR middle-end/79671
	* alias.c (component_uses_parent_alias_set_from): Handle
	TYPE_TYPELESS_STORAGE.
	(get_alias_set): Likewise.
	* tree-core.h (tree_type_common): Add typeless_storage flag.
	* tree.h (TYPE_TYPELESS_STORAGE): New macro.
	* stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
	for types containing members with TYPE_TYPELESS_STORAGE.
	(place_field): Likewise.
	(layout_type): Likewise for ARRAY_TYPE.
	* lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
	* tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
	TYPE_TYPELESS_STORAGE.
	* tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/80349
	* fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
	first argument to type.

2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/80376
	PR target/80315
	* config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
	CONST0_RTX (mode) rather than const0_rtx where appropriate.
	(rs6000_expand_binop_builtin): Likewise.
	(rs6000_expand_ternop_builtin): Likewise; also add missing
	vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
	vshasigma built-ins.
	* doc/extend.texi: Document that vec_xxpermdi's third argument
	must be a constant.

2017-04-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
	Use shift_const cost parameter when calculating gain of STV shifts.

2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70478
	* lra-constraints.c (process_alt_operands): Check memory for
	disfavoring memory insn operand.

2017-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/80100
	* simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
	left shift in unsigned HOST_WIDE_INT type.

	PR rtl-optimization/80385
	* simplify-rtx.c (simplify_unary_operation_1): Don't transform
	(not (neg X)) into (plus X -1) for complex or non-integral modes.

	PR libgomp/80394
	* omp-low.c (scan_omp_task): Don't optimize away empty tasks
	if they have any depend clauses.

2017-04-11  Martin Liska  <mliska@suse.cz>

	PR ipa/80212
	* cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
	* ipa-split.c (split_function): Create a local comdat symbol
	if caller is in a comdat group.

2017-04-11  Martin Liska  <mliska@suse.cz>

	PR ipa/80212
	* ipa-cp.c (determine_versionability): Handle calls_comdat_local
	flags.

2017-04-11  Martin Sebor  <msebor@redhat.com>

	PR middle-end/80364
	* gimple-ssa-sprintf.c (get_int_range): Remove second argument and
	always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
	for INTEGER_TYPE.
	(directive::set_width, directive::set_precision, format_character):
	Adjust.
	(parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
	INTEGER_TYPE.

2017-04-11  Richard Earnshaw  <rearnsha@arm.com>

	PR target/80389
	* config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
	conflict, set target->arch_name instead of target->cpu_name.

2017-04-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80374
	* tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
	build_zero_cst, remove fold_convertible_p check again.

2017-04-11  Martin Liska  <mliska@suse.cz>

	PR sanitizer/70878
	* ubsan.c (instrument_object_size): Do not instrument register
	variables.

2017-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/80381
	* config/i386/i386-builtin-types.def
	(V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
	V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
	V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
	V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
	V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
	V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
	V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
	V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
	V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
	V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
	V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
	V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
	V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
	V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
	V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
	V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
	V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
	V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
	* config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
	__builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
	__builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
	__builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
	__builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
	__builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
	__builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
	__builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
	__builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
	__builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
	__builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
	__builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
	__builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
	__builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
	__builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
	__builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
	__builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
	__builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
	__builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
	__builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
	__builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
	__builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
	__builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
	__builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
	__builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
	__builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
	__builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
	__builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
	aliases.
	* config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
	flag to second_arg_count, handle 4 argument function type _COUNT
	aliases, handle second_arg_count on second argument rather than last.

2017-04-10  Jeff Law  <law@redhat.com>

	PR tree-optimization/80374
	* tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
	record anything if we can not convert integer_zero_node to the
	desired type.

2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/80108
	* config/rs6000/rs6000.c (rs6000_option_override_internal):
	Enhance special handling given to the TARGET_P9_MINMAX option in
	relation to certain other options.

2017-04-10  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/80153
	* tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
	remove POINTER_PLUS_EXPR's base part directly, rather than through
	aff_tree.

2017-04-10  Richard Biener  <rguenther@suse.de>
	    Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/80153
	* tree-affine.c (aff_combination_to_tree): Get base pointer from
	the first element of pointer type aff_tree.  Build result expr in
	aff_tree's type.
	(add_elt_to_tree): Convert to type unconditionally.  Remove other
	fold_convert calls.
	* tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
	(rewrite_use_nonlinear_expr): Check invariant using iv information.

2017-04-10  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): Properly handle
	asm inputs.

2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70478
	* lra-constraints.c (curr_small_class_check): New.
	(update_and_check_small_class_inputs): New.
	(process_alt_operands): Update curr_small_class_check.  Disfavor
	alternative insn memory operands.  Check available regs for small
	class operands.

2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/80057
	* config/mips/mips.opt (-mvirt): Update description.
	* doc/invoke.texi (-mvirt): Likewise.

2017-04-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/80362
	* fold-const.c (fold_binary_loc): Look at unstripped ops when
	looking for NEGATE_EXPR in -A / -B to A / B folding.

2017-04-10  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/80224
	* gcov.c (print_usage): Fix usage string.
	(get_gcov_intermediate_filename): Remove.
	(output_gcov_file): Use both for normal and intermediate format.
	(generate_results): Do not initialize special file for
	intermediate format.

2017-04-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80304
	* tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
	for safelen.

2017-04-10  Nathan Sidwell  <nathan@acm.org>

	PR target/79905
	* config/rs6000/rs6000.c (rs6000_vector_type): New.
	(rs6000_init_builtins): Use it.

2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.md (<mrc>): Add mode to SET source.
	(<mrrc>): Likewise.

2017-04-10  Richard Biener  <rguenther@suse.de>

	PR middle-end/80344
	* gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.

2017-04-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/80324
	* config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
	_mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
	_mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
	_mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
	_mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
	_mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
	_mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
	_mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
	_mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
	_mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
	_mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
	_mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
	_mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
	_mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
	_mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
	_mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
	_mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
	_mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
	_mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
	_mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
	_mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
	_mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
	_mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.

2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70478
	* lra-constraints.c: Reverse the last patch.

2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>

	* config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
	Add comment for WCHAR_T.

2017-04-08  Martin Liska  <mliska@suse.cz>

	Revert:
	2017-04-07  Martin Liska  <mliska@suse.cz>

	PR ipa/80212
	* ipa-split.c (split_function): Add function part to a same comdat
	group.

2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/80358
	* config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.

2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>

	* rs6000/rs6000.c (vec_load_pendulum): Rename...
	(vec_pairing): ...to this.
	(power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
	(rs6000_sched_init): Adjust for name change.
	(struct rs6000_sched_context): Likewise.
	(rs6000_init_sched_context): Likewise.
	(rs6000_set_sched_context): Likewise.

2017-04-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/80322
	PR target/80323
	PR target/80325
	PR target/80326
	* config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
	intrinsics.
	* config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
	_mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
	_mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.

2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>

	* config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.

2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70703
	* ira-color.c (update_conflict_hard_regno_costs): Use
	int64_t instead of HOST_WIDE_INT.

2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70478
	* lra-constraints.c (process_alt_operands): Disfavor alternative
	insn memory operands.

2017-04-07  Jeff Law  <law@redhat.com>

	* config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
	CALL and NOTE_INSN_CALL_ARG_LOCATION.

2017-04-07  Martin Liska  <mliska@suse.cz>

	PR target/79889
	* config/aarch64/aarch64.c (aarch64_process_target_attr):
	Show error message instead of an ICE.

2017-04-07  Martin Liska  <mliska@suse.cz>

	PR ipa/80212
	* ipa-split.c (split_function): Add function part to a same comdat
	group.

2017-04-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/80341
	* tree.c (get_unwidened): Also handle ! for_type case for
	INTEGER_CSTs.
	* convert.c (do_narrow): Split out from ...
	(convert_to_integer_1): ... here.  Do not pass final truncation
	type to get_unwidened for TRUNC_DIV_EXPR.

2017-04-07  Richard Biener  <rguenther@suse.de>

	* tree-affine.c (wide_int_ext_for_comb): Take type rather
	than aff_tree.
	(aff_combination_const): Adjust.
	(aff_combination_scale): Likewise.
	(aff_combination_add_elt): Likewise.
	(aff_combination_add_cst): Likewise.
	(aff_combination_convert): Likewise.
	(add_elt_to_tree): Likewise.  Remove unused argument.
	(aff_combination_to_tree): Adjust calls to add_elt_to_tree.

2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
	definition.
	* config/arm/arm.c (arm_default_short_enums): Use
	ARM_DEFAULT_SHORT_ENUMS.
	* config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.

2017-04-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/80234
	* dwarf2out.c (gen_member_die): Handle C++17 inline static data
	members with redundant out-of-class redeclaration.

2017-04-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80286
	* config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
	* config/i386/i386.md (*zero_extendsidi2):
	Add (?*x,*x) and (?*v,*v) alternatives.

2017-04-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/79733
	* config/i386/i386.c (ix86_expand_builtin)
	<case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
	mode from insn data. Convert operands to insn operand mode.
	Copy operands that don't satisfy insn predicate to a register.

2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>

	* config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
	Update comments.

2017-04-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80334
	* tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
	preserve alignment of accesses.

2017-04-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80262
	* tree-sra.c (build_ref_for_offset): Preserve address-space
	information.
	* tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
	Drop useless address-space information on MEM_REF offsets.

2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>

	* builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.

2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70703
	* ira-color.c (update_conflict_hard_regno_costs): Use
	HOST_WIDE_INT instead of long.

2017-04-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80298
	* config/i386/mmintrin.h: Add -msse target option when __SSE__ is
	not defined for x86_64 target.  Add -mmmx target option when __SSE2__
	is not defined.
	* config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
	for x86_64 target.  Handle -m3dnowa option.

2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/70703
	* ira-color.c (update_costs_from_allocno): Use the smallest mode.
	(update_conflict_hard_regno_costs): Use long instead of unsigned
	arithmetic for cost calculation.

2017-04-05  Jakub Jelinek  <jakub@redhat.com>
	    Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR sanitizer/80308
	* asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
	for big endian.

2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/78002
	* config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
	ptr_mode with Pmode throughout.
	* config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
	into probe_stack_range and use DImode.

2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	PR target/79890
	* config/s390/s390.c (s390_register_info_gprtofpr): Return if
	call_eh_return is true.

2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-c.c (s390_resolve_overloaded_builtin):
	Initialize last_match_fntype_index.

2017-04-05  Jakub Jelinek  <jakub@redhat.com>

	PR target/80310
	* tree-nvr.c: Include internal-fn.h.
	(pass_return_slot::execute): Ignore internal calls without
	direct optab.

2017-04-04  Jakub Jelinek  <jakub@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR c++/80297
	* genmatch.c (capture::gen_transform): For GENERIC unshare_expr
	captures used multiple times, except for the last use.
	* generic-match-head.c: Include gimplify.h.

2017-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79390
	* target.h (struct noce_if_info): Declare.
	* targhooks.h (default_noce_conversion_profitable_p): Declare.
	* target.def (noce_conversion_profitable_p): New target hook.
	* ifcvt.h (struct noce_if_info): New type, moved from ...
	* ifcvt.c (struct noce_if_info): ... here.
	(noce_conversion_profitable_p): Renamed to ...
	(default_noce_conversion_profitable_p): ... this.  No longer
	static nor inline.
	(noce_try_store_flag_constants, noce_try_addcc,
	noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
	noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
	instead of noce_conversion_profitable_p.
	* config/i386/i386.c: Include ifcvt.h.
	(ix86_option_override_internal): Don't override
	PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
	(ix86_noce_conversion_profitable_p): New function.
	(TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
	* config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
	* doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
	* doc/tm.texi: Regenerated.

2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
	correction.

2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR target/80307
	* config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
	instructions for small multiply cores.

2017-04-04  Jeff Law  <law@redhat.com>

	* config/mips/mips.c (mips_multi_add): Zero initialize the newly
	added member.
	(mips_expand_vec_perm_const): Initialize elements in orig_perm
	that are not set by the loop over the elements.

2017-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/80286
	* config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
	int mode, convert_modes it to mode as unsigned, otherwise use
	lowpart_subreg to mode rather than SImode.
	* config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
	ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
	Use DImode instead of SImode for the shift count operand.
	* config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
	Likewise.

2017-04-04  Richard Biener  <rguenther@suse.de>

	PR middle-end/80281
	* match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
	arithmetic done for the negate or the plus.  Simplify.
	(A - (-B) -> A + B): Likewise.
	* fold-const.c (split_tree): Make sure to not negate pointers.

2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/60818
	* simplify-rtx.c (simplify_binary_operation_1): Do not replace
	a compare of comparisons with the thing compared if this results
	in a different machine mode.

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

	* alias.c (base_alias_check): Fix typo in comment.
	* cgraph.h (class ipa_polymorphic_call_context): Likewise.
	* cgraphunit.c (symbol_table::compile): Likewise.
	* collect2.c (maybe_run_lto_and_relink): Likewise.
	* config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
	* config/avr/avr-arch.h (avr_arch_info_t): Likewise.
	* config/avr/avr.c (avr_map_op_t): Likewise.
	* config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
	* config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
	* config/epiphany/epiphany.md (movcc): Likewise.
	* config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
	* config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
	Likewise.
	* config/mips/mips.c (mips_save_restore_reg): Likewise.
	* config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
	* config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
	* config/sh/sh.c (sh_rtx_costs): Likewise.
	* fold-const.c (fold_truth_andor): Likewise.
	* genautomata.c (collapse_flag): Likewise.
	* gengtype.h (struct type::u::s): Likewise.
	* gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
	* input.c (FORMAT_AMOUNT): Likewise.
	* ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
	(known_aggs_to_agg_replacement_list): Likewise.
	* ipa-inline-analysis.c: Likewise.
	* ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
	* ipa-polymorphic-call.c
	(ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
	* loop-unroll.c (analyze_insn_to_expand_var): Likewise.
	* lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
	Likewise.
	* modulo-sched.c (apply_reg_moves): Likewise.
	* omp-expand.c (build_omp_regions_1): Likewise.
	* trans-mem.c (struct tm_wrapper_hasher): Likewise.
	* tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
	* tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
	* value-prof.c: Likewise.
	* var-tracking.c (val_reset): Likewise.

2017-04-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80275
	* fold-const.c (split_address_to_core_and_offset): Handle
	POINTER_PLUS_EXPR.

2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (get_descriptor_type): Make sure that the alignment of
	descriptors is at least equal to that of functions.

2017-04-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (movdi_to_sse): Add missing DONE.

2017-04-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80250
	* config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
	(mov<IMOD4:mode>): New expander.
	(*mov<IMOD4:mode>_internal): New insn and split pattern.

2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/79405
	* fwprop.c (propagations_left): New variable.
	(forward_propagate_into): Decrement it.
	(fwprop_init): Initialize it.
	(fw_prop): If the variable has reached zero, stop propagating.
	(fwprop_addr): Ditto.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

	PR debug/79255
	* dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
	a FUNCTION_DECL, pass it as decl instead of origin to
	process_scope_var.

2017-03-31  Alexander Monakov  <amonakov@ispras.ru>

	* config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
	string.

2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/80107
	* config/rs6000/rs6000.md (extendhi<mode>2): Add test for
	TARGET_VSX_SMALL_INTEGER.

2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* doc/extend.texi (PowerPC AltiVec Built-in Functions):	Add
	reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.

2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>

	* config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
	extraction from odd-numbered MSA register.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/80173
	* expmed.c (store_bit_field_1): Don't attempt to create
	a word subreg out of hard registers wider than word if they
	have HARD_REGNO_NREGS of 1 for their mode.

	PR middle-end/80163
	* varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
	conversions to integer types wider than word and pointer.

	PR debug/80025
	* cselib.h (rtx_equal_for_cselib_1): Add depth argument.
	(rtx_equal_for_cselib_p): Pass 0 to it.
	* cselib.c (cselib_hasher::equal): Likewise.
	(rtx_equal_for_cselib_1): Add depth argument.  If depth
	is 128, don't look up VALUE locs and punt.  Increment
	depth in recursive calls when walking VALUE locs.

2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
	(make_gcov_file_name): Use the canonical path name for generating
	the MD5 value.
	(read_line): Fix handling of files with ascii null bytes.

2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>

	* config/mips/mips.c (mips_expand_vector_init): Create a const_vector
	to initialise a vector register instead
	of using a const_int.

2017-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR translation/80189
	* gimplify.c (omp_default_clause): Use %qs instead of %s in
	diagnostic messages.

2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/80246
	* config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
	(dfp_diex_<mode>): Update mode of operand 1.
	* doc/extend.texi (dxex, dxexq): Document change to return type.
	(diex, diexq): Document change to argument type.

2017-03-30  Martin Jambor  <mjambor@suse.cz>

	PR ipa/77333
	* cgraph.h (cgraph_build_function_type_skip_args): Declare.
	* cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
	it reflects the signature changes performed at the callee side.
	* cgraphclones.c (build_function_type_skip_args): Make public, renamed
	to cgraph_build_function_type_skip_args.
	(build_function_decl_skip_args): Adjust call to the above function.

2017-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/80206
	* config/i386/sse.md
	(<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
	register as dest whenever it is a MEM not rtx_equal_p to the
	corresponding dup operand, and when forcing into reg move the
	reg into the memory afterwards.
	(<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
	Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
	for the force_reg mode.
	(avx512vl_vextractf128<mode>): Use register as dest either
	always when a MEM, or when it is a MEM not rtx_equal_p to the
	corresponding dup operand, or even not when it is a CONST_VECTOR
	depending on the mode and lo vs. hi.
	(avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
	parens.
	(avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
	(<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
	Likewise.  Require that operands[2] is even.
	(<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
	Remove extraneous parens.  Require that operands[2] is a multiple
	of 4.
	(vec_extract_lo_<mode><mask_name>): Don't bother testing if
	operands[0] is a MEM if <mask_applied>, the predicates/constraints
	disallow memory then.

2017-03-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77498
	* tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
	to non-constants over backedges.

2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/80233
	* combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
	as last_combined_insn.  Do not test for BARRIER_P separately.

2017-03-29  Andreas Schwab  <schwab@suse.de>

	PR ada/80146
	* calls.c (prepare_call_address): Convert funexp to Pmode before
	copying to temp reg.

2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80158
	* gimple-ssa-strength-reduction.c (replace_mult_candidate):
	Handle possible future case of more than one alternate
	interpretation.
	(replace_rhs_if_not_dup): Likewise.
	(replace_one_candidate): Likewise.

2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/80193
	* ira.c (ira): Do not check allocation for LRA.

2017-03-28  Alexander Monakov  <amonakov@ispras.ru>

	* config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
	(nvptx_output_simt_exit): Declare.
	* config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
	cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
	(init_softstack_frame): Move initialization of crtl->is_leaf to...
	(nvptx_declare_function_name): ...here.  Emit declaration of local
	memory space buffer for omp_simt_enter insn.
	(nvptx_output_unisimt_switch): New.
	(nvptx_output_softstack_switch): New.
	(nvptx_output_simt_enter): New.
	(nvptx_output_simt_exit): New.
	* config/nvptx/nvptx.h (struct machine_function): New fields
	has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
	* config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
	(UNSPECV_SIMT_EXIT): Ditto.
	(omp_simt_enter_insn): New insn.
	(omp_simt_enter): New expansion.
	(omp_simt_exit): New insn.
	* config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.

	* internal-fn.c (expand_GOMP_SIMT_ENTER): New.
	(expand_GOMP_SIMT_ENTER_ALLOC): New.
	(expand_GOMP_SIMT_EXIT): New.
	* internal-fn.def (GOMP_SIMT_ENTER): New internal function.
	(GOMP_SIMT_ENTER_ALLOC): Ditto.
	(GOMP_SIMT_EXIT): Ditto.
	* target-insns.def (omp_simt_enter): New insn.
	(omp_simt_exit): Ditto.
	* omp-low.c (struct omplow_simd_context): New fields simt_eargs,
	simt_dlist.
	(lower_rec_simd_input_clauses): Implement SIMT privatization.
	(lower_rec_input_clauses): Likewise.
	(lower_lastprivate_clauses): Handle SIMT privatization.

	* omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
	(ompdevlow_adjust_simt_enter): New.
	(find_simtpriv_var_op): New.
	(execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
	IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.

	* tree-inline.h (struct copy_body_data): New field dst_simt_vars.
	* tree-inline.c (expand_call_inline): Handle SIMT privatization.
	(copy_decl_for_dup_finish): Ditto.

	* tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.

2017-03-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53383
	* config/i386/i386.c (ix86_option_override_internal): Always
	allow -mpreferred-stack-boundary=3 for 64-bit targets.

2017-03-28  Bin Cheng  <bin.cheng@arm.com>

	* tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.

2017-03-28  Bin Cheng  <bin.cheng@arm.com>

	* tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
	mark new edge's irreducible flag accordign to it.
	(vect_do_peeling): Check loop preheader edge's irreducible flag
	and pass it to function slpeel_add_loop_guard.

2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>

	PR tree-optimization/80218
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Update block frequencies and counts.

2017-03-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/78644
	* tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
	of a simplification result we may not use it at all.

2017-03-28  Richard Biener  <rguenther@suse.de>

	PR ipa/80205
	* tree-inline.c (copy_phis_for_bb): Do not create PHI node
	without arguments, generate default definition of a SSA name.

2017-03-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/80222
	* gimple-fold.c (gimple_fold_indirect_ref): Do not touch
	TYPE_REF_CAN_ALIAS_ALL references.
	* fold-const.c (fold_indirect_ref_1): Likewise.

2017-03-28  Martin Liska  <mliska@suse.cz>

	PR ipa/80104
	* cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
	thunk call as DECL_GIMPLE_REG_P when vector or complex type.

2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
	    Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>

	* config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
	(EXTRA_SPECS): Define.
	(SUBTARGET_EXTRA_SPECS): Likewise.
	(SUBTARGET_CPP_SPEC): Likewise.
	* config/arc/elf.h (EXTRA_SPECS): Renamed to
	SUBTARGET_EXTRA_SPECS.
	* config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.

2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/simdext.md (vst64_insn): Update pattern.
	(vld32wh_insn): Likewise.
	(vld32wl_insn): Likewise.
	(vld64_insn): Likewise.
	(vld32_insn): Likewise.

2017-03-28  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/80067
	* fold-const.c (fold_comparison): Use protected_set_expr_location
	instead of SET_EXPR_LOCATION.

2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>

	* tree.c (add_expr): Avoid name lookup warning.

2017-03-27  Jeff Law  <law@redhat.com>

	PR tree-optimization/80216
	* tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
	function name.  Limit recursion depth.
	(record_temporary_equivalences): Corresponding changes.

2017-03-27  Jonathan Wakely  <jwakely@redhat.com>

	* doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
	covered first.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/80102
	* reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
	notes.
	* cfgcleanup.c (reg_note_cfa_p): New array.
	(insns_have_identical_cfa_notes): New function.
	(old_insns_match_p): Don't cross-jump in between /f
	and non-/f instructions.  If both i1 and i2 are frame related,
	verify all CFA notes, their order and content.

2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78543
	* config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
	HImode and SImode with zero extend to DImode to one insn.
	(bswap<mode>2_extenddi): Likewise.
	(bswapsi2_extenddi): Likewise.
	(bswaphi2_extendsi): Likewise.
	(bswaphi2): Combine bswap HImode and SImode into one insn.
	Separate memory insns from swapping register.
	(bswapsi2): Likewise.
	(bswap<mode>2): Likewise.
	(bswaphi2_internal): Delete, no longer used.
	(bswapsi2_internal): Likewise.
	(bswap<mode>2_load): Split bswap HImode/SImode into separate load,
	store, and gpr<-gpr swap insns.
	(bswap<mode>2_store): Likewise.
	(bswaphi2_reg): Register only splitter, combine with the splitter.
	(bswaphi2 splitter): Likewise.
	(bswapsi2_reg): Likewise.
	(bswapsi2 splitter): Likewise.
	(bswapdi2): If we have the LDBRX and STDBRX instructions, split
	the insns into load, store, and register/register insns.
	(bswapdi2_ldbrx): Likewise.
	(bswapdi2_load): Likewise.
	(bswapdi2_store): Likewise.
	(bswapdi2_reg): Likewise.

2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>

	* system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
	(HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.

2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/80103
	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
	add comments.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Add
	special handling for target option conflicts between dform
	options (-mpower9-dform, -mpower9-dform-vector,
	-mpower9-dform-scalar) and -mno-direct-move.

2017-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80181
	* tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/predicates.md (move_double_src_operand): Replace the
	call to move_double_src_operand with a call to address_operand.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
	* config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
	* config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/predicates.md (long_immediate_loadstore_operand):
	Consider scaled addresses cases.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (arc_epilogue_uses): BLINK should be also
	restored when in interrupt.
	* config/arc/arc.md (simple_return): ARCv2 rtie instruction
	doesn't have delay slot.

2017-03-27  Richard Biener  <rguenther@suse.de>

	PR ipa/79776
	* tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
	inlined thunk clones.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/80168
	* asan.c (instrument_derefs): Copy over last operand from
	original COMPONENT_REF to the new COMPONENT_REF with
	DECL_BIT_FIELD_REPRESENTATIVE.
	* ubsan.c (instrument_object_size): Likewise.

2017-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80170
	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
	sure DR/SCEV didnt fold in constants we do not see when looking
	at the reference base alignment.

2017-03-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/80171
	* gimple-fold.c (fold_ctor_reference): Properly guard against
	NULL return value from canonicalize_constructor_val.

2017-03-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80180
	* config/i386/i386.c (ix86_expand_builtin)
	<IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
	flags reg setting and flags reg using instructions.
	<IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
	clobbering instructions to zero extend op2.

2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Configuration) <--with-aix-soname>:
	Update link to AIX ld.

2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/80160
	PR rtl-optimization/80159
	* lra-assigns.c (must_not_spill_p): Tighten new test to also take
	reg_alternate_class into account.

2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/80148
	* lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
	to consider in curr_insn_transform.

2017-03-24  Jakub Jelinek  <jakub@redhat.com>

	* genrecog.c (validate_pattern): Add VEC_SELECT validation.
	* genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
	and emit_mode_inner.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
	argument to the overloaded builtin variants.  Use the new flag to
	deprecate certain builtin variants.
	* config/s390/s390-builtin-types.def: Add new builtin types.
	* config/s390/s390-builtins.h: Support new flags field for
	overloaded builtins.
	* config/s390/s390-c.c (OB_DEF_VAR): New flags field.
	(s390_macro_to_expand): Enable vector float data type.
	(s390_cpu_cpp_builtins_internal): Indicate support of the new
	builtins by incrementing the __VEC__ version number.
	(s390_expand_overloaded_builtin): Support expansion of vec_xl and
	vec_xst.
	(s390_resolve_overloaded_builtin): Emit error messages depending
	on the builtin flags.
	* config/s390/s390.c (s390_expand_builtin): Support additional
	flags argument.  Change error message to match the messages
	emitted in s390-c.c.
	* config/s390/s390.md: New UNSPEC_* constants.
	(op_type): Add new instruction types.
	* config/s390/vecintrin.h: Add new builtins and test data class
	constants.
	* config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
	(V_HW_4, VEC_HW, VECF_HW): New mode iterators.
	(VEC_INEXACT, VEC_NOINEXACT): New constants.
	("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
	("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
	("vec_mergel<mode>"): V_HW -> VEC_HW.

	("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
	("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
	("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
	("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.

	("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
	("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
	("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
	("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.

	("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
	("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
	("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
	("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
	("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
	("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
	("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...

	("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
	("vec_scatter_element<V_HW_4:mode>_DI")
	("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
	("vec_fpint<mode>", "vflls")
	("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
	("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
	("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
	("*vec_cmphe<mode>_cc"): ... these.

	("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
	mode constant instead of magic value.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_vec_compare): Support other
	vector floating point modes than just V2DF.
	(s390_expand_vcond): Likewise.
	(s390_hard_regno_mode_ok): Allow SFmode values in VRs.
	(s390_cannot_change_mode_class): Prevent mode changes between TF
	and V1TF in vector registers.
	* config/s390/s390.md (DF, SF): New mode attributes.
	("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
	("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
	SFmode support for VRs.
	* config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
	vector fp modes.
	(VFT, VF_HW): New mode iterators.
	(vw, sdx): New mode attributes.
	("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
	("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
	("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
	("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
	("vec_unorderedv2df"): Adjust the v2df only patterns to support
	also the new vector floating point modes.  Renaming to ...

	("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
	("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
	("abs<mode>2", "negabs<mode>2", "smax<mode>3")
	("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
	("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
	("vec_unordered<mode>"): ... these.

	("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
	("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
	("*vec_extendv2df"): New insn definitions.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
	("mulditi3_2", "*muldi3_sign"): New patterns.
	("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
	rename the pattern definition.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("indirect_jump"): Turn insn definition into
	expander.
	("*indirect_jump", "*indirect2_jump"): New pattern definitions.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_vec_init): Use vllezl
	instruction if possible.
	* config/s390/vector.md (vec_halfnumelts): New mode
	attribute.
	("*vec_vllezlf<mode>"): New pattern.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
	("popcountv4si2", "popcountv2di2"): Rename to ...
	("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
	("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
	condition.
	("popcount<mode>2_vxe"): New pattern.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* common/config/s390/s390-common.c (processor_flags_table): Add
	arch12.
	* config.gcc: Add arch12.
	* config/s390/driver-native.c (s390_host_detect_local_cpu):
	Default to arch12 for unknown CPU model numbers.
	* config/s390/s390-builtins.def: Add B_VXE builtin flag.
	* config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
	PROCESSOR_max sanity check.
	* config/s390/s390-opts.h (enum processor_type): Add
	PROCESSOR_ARCH12.
	* config/s390/s390.c (processor_table): Add arch12.
	(s390_expand_builtin): Add check for B_VXE flag.
	(s390_issue_rate): Add PROCESSOR_ARCH12.
	(s390_get_sched_attrmask): Likewise.
	(s390_get_unit_mask): Likewise.
	(s390_sched_score): Enable z13 scheduling for arch12.
	(s390_sched_reorder): Likewise.
	(s390_sched_variable_issue): Likewise.
	* config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
	PF_VXE.
	(s390_tune_attr): Use z13 scheduling also for arch12.
	(TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
	(TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
	(TARGET_VXE_P): New macros.
	* config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
	and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
	* config/s390/s390.opt: Add arch12 as processor_type.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md
	("fixuns_truncdddi2", "fixuns_trunctddi2")
	("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
	("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.

	("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
	Rename expanders to ...

	("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
	("fixuns_truncdddi2_emu"): ... these.

	("fixuns_trunc<mode>si2_emu"): New expander.

	("*fixuns_truncdfdi2_z13"): Rename to ...
	("*fixuns_truncdfdi2_vx"): ... this.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/2964.md: Remove the single element vector compare
	instructions which are no longer used.
	* config/s390/s390.c (s390_select_ccmode): Remove handling of
	vector CCmodes.
	(s390_canonicalize_comparison): Remove handling of DFmode
	compares.
	(s390_expand_vec_compare_scalar): Remove function.
	(s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
	* config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
	pattern.
	("*cmp<mode>_ccs"): Add wfcdb instruction.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
	FP zero.
	("*mov<mode>_64" DD_DF): Remove the vector instructions. These
	will anyway by matched by mov<mode>_64dfp.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
	vlef/vstef.  Add missing operand to vleif.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_vec_init): Enable vector load
	pair for all vector types with 64 bit elements.
	* config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
	* config/s390/vector.md (V_HW_64): ... here.
	(V_128_NOSINGLE): New mode iterator.
	("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
	("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
	("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
	("*vec_load_pairv2di"): Change to ...
	("*vec_load_pair<mode>"): ... this one.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/constraints.md: Add comments.
	(jKK): Reject element sizes > 8 bytes.
	* config/s390/s390.c (s390_split_ok_p): Enable splitting also for
	s_operands.
	* config/s390/s390.md: Add the s_operand checks formerly in
	s390_split_ok_p to various splitters where they are still
	required.
	* config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
	for 128 bit vectors.  Plus two splitters.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md: Rename the cpu facilty vec to vx throughout
	the file.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/79893
	* config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
	error if the boundary argument is not constant.

2017-03-24  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/80112
	* loop-doloop.c (doloop_condition_get): Don't check condition
	if cmp isn't SET with IF_THEN_ELSE src.

2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80158
	* gimple-ssa-strength-reduction.c (replace_mult_candidate): When
	replacing a candidate statement, also replace it for the
	candidate's alternate interpretation.
	(replace_rhs_if_not_dup): Likewise.
	(replace_one_candidate): Likewise.

2017-03-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80167
	* graphite-isl-ast-to-gimple.c
	(translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
	properly.
	(translate_isl_ast_to_gimple::get_rename): Likewise.

2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Change
	handling of certain combinations of target options, including the
	combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
	-mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.

2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/71436
	* config/arm/arm.md (*load_multiple): Add reload_completed to
	matching condition.

2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Richard Biener  <rguenth@suse.de>

	PR tree-optimization/79908
	PR tree-optimization/80136
	* tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
	been cast away, gimplify_and_add suffices.

2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>

	* tree-vrp.c (identify_jump_threads): Delete avail_exprs.

2017-03-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80032
	* gimplify.c (gimple_push_cleanup): Forced unconditional
	cleanups still have to go to the conditional_cleanups
	sequence.

2017-03-22  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/80072
	* tree-ssa-reassoc.c (struct operand_entry): Change id field type
	to unsigned int.
	(next_operand_entry_id): Change type to unsigned int.
	(sort_by_operand_rank): Make sure to return the right return value
	even if unsigned fields are bigger than INT_MAX.
	(struct oecount): Change cnt and id type to unsigned int.
	(oecount_hasher::equal): Formatting fix.
	(oecount_cmp): Make sure to return the right return value
	even if unsigned fields are bigger than INT_MAX.
	(undistribute_ops_list): Change next_oecount_id type to unsigned int.

	PR c++/80129
	* gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
	TREE_READONLY on result if writing it more than once.

	PR sanitizer/80110
	* doc/invoke.texi (-fsanitize=thread): Document that with
	-fnon-call-exceptions atomics are not able to throw
	exceptions.

	PR sanitizer/80110
	* tsan.c: Include tree-eh.h.
	(instrument_builtin_call): Call maybe_clean_eh_stmt or
	maybe_clean_or_replace_eh_stmt where needed.
	(instrument_memory_accesses): Add cfg_changed argument.
	Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
	if it returned true.
	(tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.

	PR rtl-optimization/63191
	* config/i386/i386.c (ix86_delegitimize_address): Turn into small
	wrapper function, moved the whole old content into ...
	(ix86_delegitimize_address_1): ... this.  New inline function.
	(ix86_find_base_term): Use ix86_delegitimize_address_1 with
	true as last argument instead of ix86_delegitimize_address.

2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/aarch64/aarch64.c (generic_branch_cost): Copy
	cortexa57_branch_cost.

2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/aarch64/aarch64.c (generic_tunings): Add AES fusion.

2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/80123
	* doc/md.texi (Constraints): Document wA constraint.
	* config/rs6000/constraints.md (wA): New.
	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
	(rs6000_init_hard_regno_mode_ok): Init wA constraint.
	* config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
	* config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.

2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>

	PR c++/80029
	* gimplify.c (is_oacc_declared): New function.
	(oacc_default_clause): Use it to set default flags for acc declared
	variables inside parallel regions.
	(gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
	declared variables.
	(gimplify_oacc_declare): Gimplify the declare clauses.  Add the
	declare attribute to any decl as necessary.

2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR target/80082
	* config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
	(ISA_ARMv7ve): Add isa_bit_lpae to the definition.
	* config/arm/arm-protos.h (arm_arch7ve): Rename into ...
	(arm_arch_lpae): This.
	* config/arm/arm.c (arm_arch7ve): Rename into ...
	(arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
	* config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
	arm_arch_lpae.

2017-03-22  Martin Liska  <mliska@suse.cz>

	PR target/79906
	* config/rs6000/rs6000.c (rs6000_inner_target_options): Show
	error message instead of an ICE.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* doc/extend.texi (6.11 Additional Floating Types): Revise.

2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
	comments.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Add
	comments.

2017-03-21  Martin Sebor  <msebor@redhat.com>

	* doc/extend.texi: Use "cannot" instead of "can't."
	* doc/hostconfig.texi: Same.
	* doc/install.texi: Same.
	* doc/invoke.texi: Same.
	* doc/loop.texi: Same.
	* doc/md.texi: Same.
	* doc/objc.texi: Same.
	* doc/rtl.texi: Same.
	* doc/tm.texi: Same.
	* doc/tm.texi.in: Same.
	* doc/trouble.texi: Same.

2017-03-21  Alexandre Oliva <aoliva@redhat.com>

	PR debug/63238
	* dwarf2out.c (struct checksum_attributes): Add at_alignment.
	(collect_checksum_attributes): Set it.
	(die_checksum_ordered): Use it.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/79908
	* tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
	change: For a VA_ARG whose LHS has been cast away, use
	force_gimple_operand to construct the side effects.

2017-03-21  David Malcolm  <dmalcolm@redhat.com>

	PR translation/80001
	* omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
	more amenable to translation.
	(oacc_loop_auto_partitions): Likewise.

2017-03-21  Marek Polacek  <polacek@redhat.com>
	    Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/80109
	* gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
	on INTEGRAL_TYPE_P.

2017-03-21  Jakub Jelinek  <jakub@redhat.com>
	    Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/80125
	* combine.c (can_combine_p): Revert the 2017-03-20 change, only
	check reg_used_between_p between insn and one of succ or succ2
	depending on if succ is artificial insn not inserted into insn
	stream.

2017-03-21  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/80081
	* Makefile.in: Add gcov-dump and fix installation of gcov-tool.
	* doc/gcc.texi: Include gcov-dump stuff.
	* doc/gcov-dump.texi: New file.

2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>

	PR rtl-optimization/79150
	* config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
	conditional jump, if the jump is the last insn of the loop.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Richard Biener  <rguenth@suse.de>

	PR tree-optimization/79908
	* tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
	been cast away, use force_gimple_operand to construct the side
	effects.

2017-03-21  Martin Liska  <mliska@suse.cz>

	PR libfortran/79956
	* simplify-rtx.c (simplify_immed_subreg): Initialize a variable
	to NULL.

2017-03-21  Brad Spengler <spender@grsecurity.net>

	PR plugins/80094
	* plugin.c (htab_hash_plugin): New function.
	(add_new_plugin): Use it and adjust.
	(parse_plugin_arg_opt): Adjust.
	(init_one_plugin): Likewise.

2017-03-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80032
	* gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
	if set force the cleanup to happen unconditionally.
	(gimplify_target_expr): Push inserted clobbers with force_uncond
	to avoid them being removed by control-dependent DCE.

2017-03-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80122
	* tree-inline.c (copy_bb): Do not expans va-arg packs or
	va_arg_pack_len when the inlined call stmt requires pack
	expansion itself.
	* tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.

2017-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/78158
	* tsan.c (instrument_builtin_call): If the memory model argument
	is not a constant, assume it is valid.

	PR c/67338
	* fold-const.c (round_up_loc): Negate divisor in unsigned type to
	avoid UB.

2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/79910
	* combine.c (can_combine_p): Do not allow combining an I0 or I1
	if its dest is used by an insn before I2 (other than the combined
	insns themselves, which are properly handled already).

2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>

	Revert:
	2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>

	* combine.c (record_used_regs): New static function.
	(try_combine): Handle situations where there is an additional
	instruction between I2 and I3 which needs to have a LOG_LINK
	updated.

	Revert:
	2017-03-17  Jim Wilson  <jim.wilson@linaro.org>

	* combine.c (try_combine): Delete redundant i1 test.  Call
	prev_nonnote_nondebug_insn instead of prev_nonnote_insn.

2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/80083
	* config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
	alternatives 13/14.

2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/80054
	* gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
	the optimization if a PHI or any of its arguments is not dominated
	by the candidate's basis.  Use gphi* rather than gimple* as
	appropriate.
	(replace_profitable_candidates): Clean up a gimple* variable that
	should be a gphi* variable.

2017-03-20  Martin Sebor  <msebor@redhat.com>

	PR c++/52477
	* doc/extend.texi (attribute constructor): Document present limitation.

2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/79963
	* config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
	__POWER9_VECTOR__ #ifdef control, change template definition to
	use Power9-specific built-in function.
	(vec_any_eq): Likewise.
	* config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
	to control outcomes from this test.
	(vector_ae_<mode>p): For VEC_F modes, likewise.

2017-03-20  Ian Lance Taylor  <iant@google.com>

	* config/i386/i386.c (ix86_function_regparm): Save an extra
	register for -fsplit-stack with DECL_STATIC_CHAIN.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>

	PR target/79912
	* config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
	(TARGET_PREFERRED_RELOAD_CLASS): Likewise.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>

	* config/riscv/riscv.c (riscv_print_operand): Use "fence
	iorw,ow".
	* config/riscv/sync.mc (mem_thread_fence_1): Use "fence
	iorw,iorw".

2017-03-20  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/80063
	* asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).

2017-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80113
	* graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
	allocate extra SSA name for PHI def.
	(add_close_phis_to_outer_loops): Likewise.
	(add_close_phis_to_merge_points): Likewise.
	(copy_loop_close_phi_args): Likewise.
	(copy_cond_phi_nodes): Likewise.

2017-03-20  Martin Liska  <mliska@suse.cz>

	PR middle-end/79753
	* tree-chkp.c (chkp_build_returned_bound): Do not build
	returned bounds for a LHS that's not a BOUNDED_P type.

2017-03-20  Martin Liska  <mliska@suse.cz>

	PR target/79769
	PR target/79770
	* tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
	COMPLEX_CST and VECTOR_CST.

2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/78857
	* config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
	target operand.  A new splitter adds the clobber statement in case
	the target operand is dead anyway.

2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
	to age-old versions of binutils and glibc.

2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>

	* doc/contrib.texi (Contributors): Remove duplicate entry for myself.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Add Segher Boessenkool.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <arm-*-eabi>: Remove old
	requirement for binutils 2.13.

2017-03-17  Jim Wilson  <jim.wilson@linaro.org>

	* combine.c (try_combine): Delete redundant i1 test.  Call
	prev_nonnote_nondebug_insn instead of prev_nonnote_insn.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com

	* doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
	riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
	contents.
	<riscv64-*-elf>: Re-arrange section
	<riscv32-*-elf>: Add a note about requiring binutils 2.28.
	<riscv32-*-linux>: Likewise.
	<riscv64-*-elf>: Likewise
	<riscv64-*-linux>: Likewise.

2017-03-17  Richard Earnshaw  <rearnsha@arm.com>

	PR target/80052
	* aarch64.opt(verbose-cost-dump): Fix typo.

2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/79951
	* config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
	for VECTOR_UNIT_VSX_P (<MODE>mode) too.

2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>

	* reload.c (find_reloads): When reloading a nonoffsettable address,
	use RELOAD_OTHER for it and its address reloads.

	PR rtl-optimization/79910
	* combine.c (record_used_regs): New static function.
	(try_combine): Handle situations where there is an additional
	instruction between I2 and I3 which needs to have a LOG_LINK
	updated.

2017-03-17  Jeff Law  <law@redhat.com>

	PR tree-optimization/71437
	* tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
	conditional in the hash table first.
	(vrp_dom_walker::before_dom_children): Extract condition from
	ASSERT_EXPR.  Record condition, its inverion and any implied
	conditions as well.

2017-03-17  Marek Polacek  <polacek@redhat.com>
	    Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR tree-optimization/80079
	* gimple-ssa-store-merging.c (class pass_store_merging): Initialize
	m_stores_head.

2017-03-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/80075
	* tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
	Properly verify the LHS before the RHS possibly claims to be
	handled.
	(stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
	do not throw.

2017-03-17  Martin Jambor  <mjambor@suse.cz>

	* doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
	(List of -O2 options): Likewise.
	(-fipa-bit-cp): Replace "ipa" with "interprocedural."
	(-fipa-vrp) New.

2017-03-17  Tom de Vries  <tom@codesourcery.com>

	* gcov-dump.c (print_usage): Print bug_report_url.

2017-03-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/80050
	* genmatch.c (parser::next): Remove pointless check for CPP_EOF.
	(parser::peek): Likewise.

2017-03-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80048
	* sese.c (free_sese_info): Properly release rename_map and
	copied_bb_map elements.

2017-03-16  Alexandre Oliva <aoliva@redhat.com>

	* gimple-ssa-store-merging.c (struct imm_store_chain_info):
	Add linked-list forward and backlinks.  Insert on
	construction, remove on destruction.
	(class pass_store_merging): Add m_stores_head field.
	(pass_store_merging::terminate_and_process_all_chains):
	Iterate over m_stores_head list.
	(pass_store_merging::terminate_all_aliasing_chains):
	Likewise.
	(pass_store_merging::execute): Check for debug stmts first.
	Push new chains onto the m_stores_head stack.

2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71294
	* config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
	SPLAT operation on ISA 2.07 64-bit systems that have direct move,
	but no MTVSRDD support, by doing MTVSRD and XXPERMDI.

2017-03-16  Jeff Law  <law@redhat.com>

	PR tree-optimization/71437
	* tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
	member function.  Implementation moved into after_dom_children
	member function and into the threader's thread_outgoing_edges
	function.
	(dom_opt_dom_walker::after_dom_children): Simplify by moving
	some code into new thread_outgoing_edges.
	* tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
	definition.  Simplify marker handling (do it here).   Assume we always
	have the available expression and the const/copies tables.
	(thread_outgoing_edges): New function extracted from tree-ssa-dom.c
	and tree-vrp.c
	* tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
	* tree-vrp.c (equiv_stack): No longer file scoped.
	(vrp_dom_walker): New class.
	(vrp_dom_walker::before_dom_children): New member function.
	(vrp_dom_walker::after_dom_children): Likewise.
	(identify_jump_threads):  Setup domwalker.  Use it rather than
	walking edges in a random order by hand.  Simplify setup/finalization.
	(finalize_jump_threads): Remove.
	(vrp_finalize): Do not call identify_jump_threads here.
	(execute_vrp): Do it here instead and call thread_through_all_blocks
	here too.

	PR tree-optimization/71437
	* tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
	callers changed.
	(simplify_stmt_for_jump_threading): Add basic_block argument.  All
	callers changed.
	(lhs_of_dominating_assert): Moved from here into tree-vrp.c.
	(dom_opt_dom_walker::thread_across_edge): Remove
	handle_dominating_asserts argument.  All callers changed.
	(record_temporary_equivalences_from_stmts_at_dest): Corresponding
	changes.  Remove calls to lhs_of_dominating_assert.  Other
	uses of handle_dominating_asserts turn into unconditional code
	(simplify_control_stmt_condition_1): Likewise.
	(simplify_control_stmt_condition): Likewise.
	(thread_through_normal_block, thread_across_edge): Likewise.
	* tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
	* tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
	object if it is not an SSA_NAME.
	(simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
	before calling into the VRP specific simplifiers.
	(identify_jump_threads): Remove handle_dominating_asserts
	argument.

2017-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/79886
	* tree-diagnostic.c (default_tree_printer): No longer static.
	* tree-diagnostic.h (default_tree_printer): New prototype.

2017-03-16  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
	Change ins into fmov.

2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
	* config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
	Use h_con constraint for operand 1.
	(*aarch64_fnma4_elt_from_dup<mode>): Likewise.
	(*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.

2017-03-15  Jeff Law  <law@redhat.com>

	PR tree-optimization/71437
	* tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
	(record_temporary_equivalences): Use it.

	PR tree-optimization/71437
	* tree-ssa-dom.c (struct cond_equivalence): Moved from here into
	tree-ssa-scopedtables.
	(lookup_avail_expr, build_and_record_new_cond): Likewise.
	(record_conditions, record_cond, vuse_eq): Likewise.
	(record_edge_info): Adjust to API tweak of record_conditions.
	(simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
	(record_temporary_equivalences, optimize_stmt): Likewise.
	(eliminate_redundant_computations): Likewise.
	(record_equivalences_from_stmt): Likewise.
	* tree-ssa-scopedtables.c: Include options.h and params.h.
	(vuse_eq): New function, moved from tree-ssa-dom.c
	(build_and_record_new_cond): Likewise.
	(record_conditions): Likewise.  Accept vector of conditions rather
	than edge_equivalence structure for first argument.
	for the first argument.
	(avail_exprs_stack::lookup_avail_expr): New member function, moved
	from tree-ssa-dom.c.
	(avail_exprs_stack::record_cond): Likewise.
	* tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
	from tree-ssa-dom.c.
	(avail_exprs_stack): Add new member functions lookup_avail_expr
	and record_cond.
	(record_conditions): Declare.

2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/80017
	* lra-constraints.c (process_alt_operands): Increase reject for
	reloading an input/output operand.

2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	* config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
	insns to convert from signed/unsigned char/short to IEEE 128-bit
	floating point.
	(floatuns<QHI:mode><IEEE128:mode>2): Likewise.

2017-03-15  Uros Bizjak  <ubizjak@gmail.com>

	PR target/80019
	* config/i386/i386.c (ix86_vector_duplicate_value): Create
	subreg of inner mode for values already in registers.

2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>

	* config/c6x/c6x.c (hwloop_optimize): Handle case where the old
	iteration reg is used after the loop.

2017-03-14  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/79800
	* gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
	precision in negative-positive range.
	(format_floating): Call non-const overload with adjusted precision.

2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79947
	* config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
	-mpowerpc-gfxopt.

2017-03-14  Martin Sebor  <msebor@redhat.com>

	PR middle-end/80020
	* builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
	* builtins.def (aligned_alloc): Use it.

	PR c/79936
	* Makefile.in (GTFILES): Add calls.c.
	* calls.c: Include "gt-calls.h".

2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/79728
	* regs.h (struct target_regs): New field
	x_contains_allocatable_regs_of_mode.
	(contains_allocatable_regs_of_mode): New macro.
	* reginfo.c (init_reg_sets_1): Initialize it, and change
	contains_reg_of_mode so it includes global regs as well.
	* reload.c (push_reload): Use contains_allocatable_regs_of_mode
	rather than contains_regs_of_mode.

2017-03-14  Martin Liska  <mliska@suse.cz>

	* doc/invoke.texi: Document options that can't be combined with
	-fcheck-pointer-bounds.

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR middle-end/79831
	* doc/invoke.texi (-Wchkp): Document the option.

2017-03-14  Martin Liska  <mliska@suse.cz>

	* Makefile.in: Install gcov-dump.

2017-03-14  Martin Liska  <mliska@suse.cz>

	* multiple_target.c (expand_target_clones): Bail out for
	an invalid attribute.

2017-03-14  Richard Biener  <rguenther@suse.de>

	* alias.c (struct alias_set_entry): Pack properly.
	* cfgloop.h (struct loop): Likewise.
	* cse.c (struct set): Likewise.
	* ipa-utils.c (struct searchc_env): Likewise.
	* loop-invariant.c (struct invariant): Likewise.
	* lra-remat.c (struct cand): Likewise.
	* recog.c (struct change_t): Likewise.
	* rtl.h (struct address_info): Likewise.
	* symbol-summary.h (function_summary): Likewise.
	* tree-loop-distribution.c (struct partition): Likewise.
	* tree-object-size.c (struct object_size_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
	* tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
	* tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
	* tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
	* tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
	* tree-vectorizer.h (struct _loop_vec_info): Likewise.
	(struct _stmt_vec_info): Likewise.

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR target/79892
	* multiple_target.c (create_dispatcher_calls): Check that
	a target can create a function dispatcher.

2017-03-14  Martin Liska  <mliska@suse.cz>

	PR lto/66295
	* multiple_target.c (expand_target_clones): Drop local.local
	flag for default implementation.

2017-03-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80030
	* tree-vect-stmts.c (vectorizable_store): Plug memleak.

2017-03-13  Kito Cheng  <kito.cheng@gmail.com>

	* config/riscv/riscv.c (riscv_emit_float_compare>: Use
	gcc_fallthrough() instead of __attribute__((fallthrough));

2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/gcc.texi: Remove "up" link to (DIR).
	* doc/gccint.texi: Ditto.

2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <avr>: Remove reference to
	binutils 2.13.

2017-03-13  Jeff Law  <law@redhat.com>

	* config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
	attribute rather than comments.

	* config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
	match_scratch operand is highest.

2017-03-13  Martin Liska  <mliska@suse.cz>

	PR middle-end/78339
	* ipa-pure-const.c (warn_function_noreturn): If the declarations
	is a CHKP clone, use original declaration.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (arc_init): Use multiplier whenever we have it.
	(arc_conditional_register_usage): Use a different allocation order
	when optimizing for size.
	* common/config/arc/arc-common.c (arc_option_optimization_table):
	Section anchors default on when optimizing for size.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (*tst_bitfield_tst): Fix pattern.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (arc_output_addsi): Emit code density adds.
	* config/arc/arc.md (cpu_facility): Add cd variant.
	(*movqi_insn): Add code density variant.
	(*movhi_insn): Likewise.
	(*movqi_insn): Likewise.
	(*addsi3_mixed): Likewise.
	(subsi3_insn): Likewise.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (movsi_cond_exec): Update constraint.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
	expressions with MINUS and UNARY ops.

2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/79911
	* config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
	Rename to...
	(vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
	between vec_select and vector argument.
	(vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
	(vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
	(vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
	(vec_sel_widen_usum_lo<mode><V_half>3): ... This.
	(vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
	(vec_sel_widen_usum_hi<mode><V_half>3): ... This.

2017-03-13  Richard Biener  <rguenther@suse.de>

	PR other/79991
	* params.def (vect-max-peeling-for-alignment): Fix typo.

2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <mips-*-*>: Remove description of
	issue that only occurred with binutils below 2.18.

2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <cris-axis-elf>: No longer
	refer to binutils 2.11/2.12 minimum.

2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific) <powerpc-*-*>: Remove link to
	ftp.kernel.org and simplify binutils requirement.

2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Warning Options): Fix spelling of link-time
	optimization.
	(Optimize Options): Ditto.  Also remove redundancy.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR translation/79848
	* ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
	"%qs".
	* ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
	to G_ to avoid double translation.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR translation/79923
	* auto-profile.c (get_combined_location): Convert leading
	character of diagnostics to lower case and remove trailing period.
	(read_profile): Likewise for various diagnostics.
	* config/arm/arm.c (arm_option_override): Remove trailing period
	from various diagnostics.
	* config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
	(msp430_expand_delay_cycles): Likewise.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR target/79925
	* config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
	full command-line argument, rather than just "str".
	(aarch64_validate_march): Likewise.
	(aarch64_validate_mtune): Likewise.

2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/78911
	* lra-assigns.c (must_not_spill_p): New function.
	(spill_for): Use it.

2017-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79981
	* tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
	ATOMIC_COMPARE_EXCHANGE ifn result.
	(stmt_interesting_for_vrp, vrp_visit_stmt): Handle
	IFN_ATOMIC_COMPARE_EXCHANGE.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR driver/79875
	* opts.c (parse_sanitizer_options): Add missing question mark to
	"did you mean" message.

2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
	built-in.
	(VMULEUH_UNS): Likewise.
	(VMULOUB_UNS): Likewise.
	(VMULOUH_UNS): Likewise.
	* config/rs6000/rs6000.c (builtin_function_type): Remove
	references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR bootstrap/79952
	* read-rtl-function.c (function_reader::read_rtx_operand): Update
	x with result of extra_parsing_for_operand_code_0.
	(function_reader::extra_parsing_for_operand_code_0): Convert
	return type from void to rtx, returning x.  When reading
	SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
	larger size containing struct block_symbol.

2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
	-mfloat128-hardware without -m64.

2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>

	PR target/79941
	* config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
	entries to the case statement that marks unsigned arguments to
	overloaded functions.

2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
	two typographic errors in the handling of TARGET_UPPER_REGS_DI.

2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/79907
	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
	TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.

2017-03-10  Martin Liska  <mliska@suse.cz>

	PR target/65705
	PR target/69804
	* toplev.c (process_options): Enable MPX with LSAN and UBSAN.
	* tree-chkp.c (chkp_walk_pointer_assignments): Verify that
	FIELD != NULL.

2017-03-10  Olivier Hainque  <hainque@adacore.com>

	* tree-switch-conversion (array_value_type): Start by resetting
	candidate type to it's main variant.

2017-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79909
	* combine.c (try_combine): Use simplify_replace_rtx on individual
	CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
	of the whole CALL_INSN_FUNCTION_USAGE.

	PR tree-optimization/79972
	* gimple-ssa-warn-alloca.c (alloca_call_type): Only call
	get_range_info on SSA_NAMEs.  Formatting fixes.

2017-03-10  Richard Biener  <rguenther@suse.de>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/77975
	* tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
	edge to be constant.
	(get_val_for): For constant x return it.  Formatting fix.
	(loop_niter_by_eval): Avoid pointless looping if the next iteration
	would use the same bases as the current one.

2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
	instead of vec_select for V1TImode.
	* conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
	longer needed.
	(VSX_LE_128): Add V1TI to this mode iterator.
	(*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
	(*vsx_le_perm_store_<mode>): Likewise.
	(pre-reload splitter for VSX stores): Likewise.
	(post-reload splitter for VSX stores): Likewise.
	(*vsx_xxpermdi2_le_<mode>): Likewise.
	(*vsx_lxvd2x2_le_<mode>): Likewise.
	(*vsx_stxvd2x2_le_<mode>): Likewise.

2017-03-09  Michael Eager  <eager@eagercon.com>

	Correct failures with --enable-checking=yes,rtl.

	* config/microblaze/microblaze.c (microblaze_expand_shift):
	Replace GET_CODE test with CONST_INT_P and INTVAL test with
	test for const0_rtx.
	* config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
	lshrsi3_byone): Replace INTVAL with test for const1_rtx.

2017-03-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79977
	* graphite-scop-detection.c (scop_detection::merge_sese):
	Handle the case of extra exits to blocks dominating the entry.

2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>

	* doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
	Document rdynamic.

2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/79949
	* lra-constraints.c (process_alt_operands): Check memory when
	trying to predict a cycle.  Print about the overall increase.

2017-03-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/79971
	* gimple-expr.c (useless_type_conversion_p): Preserve
	TYPE_SATURATING for fixed-point types.

2017-03-09  Richard Biener  <rguenther@suse.de>

	PR ipa/79970
	* ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
	alignment of BLKmode params.

2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/79913
	* config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
	(VALL_NO_V2Q): Likewise.
	(VDQF_DF): Delete.
	* config/aarch64/aarch64-simd.md
	(aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
	iterator.
	(*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
	VALL_NO_V2Q mode iterator.
	(*aarch64_vgetfmulx<mode>): Use VDQF iterator.

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79631
	* tree-chkp-opt.c (chkp_is_constant_addr): Call
	tree_int_cst_sign_bit just for INTEGER constants.

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR target/65705
	PR target/69804
	* toplev.c (process_options): Disable -fcheck-pointer-bounds with
	sanitizers.

2017-03-09  Marek Polacek  <polacek@redhat.com>

	PR c++/79672
	* tree.c (inchash::add_expr): Handle TREE_VEC.

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79764
	(chkp_narrow_size_and_offset): New function.
	(chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
	(void chkp_parse_bit_field_ref): New function.
	(chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
	(chkp_process_stmt): Use chkp_parse_bit_field_ref.

2017-03-09  Martin Liska  <mliska@suse.cz>

	PR ipa/79761
	* tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
	(chkp_find_bounds_1): Remove gcc_unreachable.

2017-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/79944
	* asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
	BUILT_IN_SYNC*, determine the access type from the size suffix and
	always build a MEM_REF with that type.  Handle forgotten
	BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.

	PR target/79932
	* config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
	_mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
	_mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
	_mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
	_mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
	_mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
	_mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
	_mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
	_mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
	_mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
	_mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
	_mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
	_mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
	_mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
	_mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
	_mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
	_mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
	_mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
	_mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
	_mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
	_mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
	_mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
	_mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
	_mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
	_mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
	_mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
	_mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
	_mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
	_mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
	_mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
	definitions outside of __OPTIMIZE__ guarded section.

	PR target/79932
	* config/i386/avx512bwintrin.h (_mm512_packs_epi32,
	_mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
	_mm512_packus_epi32, _mm512_maskz_packus_epi32,
	_mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
	guarded section.

2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
	("vfenez<mode>"): Add missing constraints.

2017-03-08  Martin Sebor  <msebor@redhat.com>

	PR target/79928
	* config/nds32/nds32.c (nds32_option_override):
	Fix misspelled diagnostic.

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR c/79940
	* gimplify.c (gimplify_omp_for): Replace index var in outer
	taskloop statement with an artificial variable and add
	OMP_CLAUSE_PRIVATE clause for it.

2017-03-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79955
	* tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
	for accesses that are completely outside of the variable.

2017-03-08  Andrew Haley  <aph@redhat.com>

	PR tree-optimization/79943
	* tree-ssa-loop-split.c (compute_new_first_bound): When
	calculating the new upper bound, (END-BEG) should be added, not
	subtracted.

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

	* config/avr/avr.md (setmemhi): Make sure match_dup
	operand number comes before match_scratch.

2017-03-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79920
	* tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
	with ncopies == 1 to ...
	(vect_transform_slp_perm_load): ... here.  Properly compute
	all element loads by iterating VF times over the group.  Do
	not handle ncopies (computed in a broken way) in
	vect_create_mask_and_perm.

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/79904
	* internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
	is a uniform vector, use uniform_vector_p return value instead of
	building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.

2017-03-07  Marek Polacek  <polacek@redhat.com>

	PR middle-end/79809
	* gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
	(alloca_call_type): Likewise.

2017-03-07  Martin Liska  <mliska@suse.cz>

	* gcov.c (process_args): Put comment to correct location.

2017-03-07  Martin Liska  <mliska@suse.cz>

	PR middle-end/68270
	* tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
	Use array_at_struct_end_p instead of DECL_CHAIN (field).
	(chkp_narrow_bounds_for_field): Likewise.
	(chkp_parse_array_and_component_ref): Pass one more argument to
	call.

2017-03-07  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
	preheaders.

2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/i386/i386.c (ix86_local_alignment): Align most aggregates
	of 16 bytes and more to 16 bytes, not those of 16 bits and more.

2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR c/79855
	* params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
	to end of description.
	(PARAM_MAX_STORES_TO_MERGE): Likewise.

2017-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79901
	* config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
	...
	(*avx512f_<code><mode>3<mask_name>): ... this.
	(<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
	iterator instead of VI8_AVX2_AVX512BW.

	PR rtl-optimization/79901
	* expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
	min/max expander, expand it using expand_vec_cond_expr.

	PR sanitizer/79897
	* ubsan.c (ubsan_encode_value): Call mark_addressable on the
	temporary.

2017-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79821
	* dwarf2out.h (dw_vec_const): Change array type from unsigned char *
	to void * for PCH reasons.
	* dwarf2out.c (output_loc_operands, output_die): Cast
	v.val_vec.array to unsigned char *.

2017-03-06  John David Anglin  <danglin@gcc.gnu.org>

	PR target/77850
	* config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
	vector types.

2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/79571
	* lra-constraints.c (process_alt_operands): Calculate static
	reject and subtract it from overall when only addresses will be
	reloaded.

2017-03-06  Julia Koval  <julia.koval@intel.com>

	PR target/79793
	* config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
	incoming stack boundary to 128 for 64-bit targets.

2017-03-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79894
	* tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
	to NULL after folding it.

2017-03-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79824
	* tree-vect-stmts.c (get_group_load_store_type): Fix alignment
	check disabling peeling for gaps.

2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>

	* doc/sourcebuild.texi (Effective-Target Keywords, Environment
	attributes): Document gettimeofday.

2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_option_override_internal): Set
	PARAM_MIN_VECT_LOOP_BOUND

2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
	* config/s390/s390.md: Likewise.

2017-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/79812
	* config/i386/sse.md (VI8F_256_512): Remove mode iterator.
	(<avx2_avx512>_perm<mode>): Rename to ...
	(avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
	of VI8F_256_512.
	(<avx512>_perm<mode>_mask): Rename to ...
	(avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
	of VI8F_256_512.
	(<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
	(avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
	instead of VI8F_256_512.
	(avx512f_perm<mode>): New define_expand.
	(avx512f_perm<mode>_mask): Likewise.
	(avx512f_perm<mode>_1<mask_name>): New define_insn.
	(<avx512>_vec_dup<mode>_1): Fix up vec_select mode.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

	* config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
	msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
	if_then_else.
	(smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.

2017-03-06  Martin Liska  <mliska@suse.cz>

	PR sanitize/79783
	* asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
	when having a SSA NAME w/o VAR_DECL assigned to it.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

	* config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
	msa_dpsub_<su>_d): Fix MODE for vec_select.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

	* config/mips/mips.c (mips_gen_const_int_vector): Change type of last
	argument.
	* config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.

2017-03-06  Richard Biener  <rguenther@suse.de>

	* lto-streamer.c (lto_check_version): Use %qs in diagnostics.
	* plugin.c (register_plugin_info): Likewise.
	* tree-chkp.c (chkp_make_static_const_bounds): Likewise.

2017-03-05  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (sse_storehps, sse_storelps,
	avx_<castmode><avxsizesuffix>_<castmode>,
	avx512f_<castmode><avxsizesuffix>_<castmode>,
	avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
	in condition that at least one operand is not a MEM.

2017-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79805
	* internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
	ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
	ECF_NOTHROW.
	* gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
	gimple_call_nothrow_p flag based on whether original builtin can throw.
	If it can, emit following stmts on the fallthrough edge.
	* tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
	don't create new bb if inserting just debug stmts on the edge, try to
	insert them on the fallthru bb or just reset debug stmts.

2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>

	PR target/43763
	* config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
	restore recog_data (including the operand rtxes inside it) around
	the call to get_insn_template.

2017-03-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/79699
	* context.c (context::~context): Free MPFR caches to avoid
	a memory leak on program exit.

2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64.c (aarch64_float_const_representable_p):
	Use wide_int::ulow () instead of .elt (0).

2017-03-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
	(*pushxf): Limit oF constraint to 32bit targets and add oC
	constraint for 64bit targets.
	(pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
	(*pushdf): Change rmF constraint to rmC.

2017-03-03  Martin Liska  <mliska@suse.cz>

	* tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
	Remove unused variable.

2017-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/79807
	* config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
	is a memory operand, increase num_memory.
	(ix86_expand_args_builtin): Likewise.

2017-03-03  Jan Hubicka  <jh@suse.cz>

	PR lto/79760
	* ipa-devirt.c (maybe_record_node): Properly handle
	__cxa_pure_virtual visibility.

2017-03-03  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79803
	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
	assert.
	(pass_loop_prefetch::execute): Disabled optimization if an
	assumption about L1 cache size is not met.

2017-03-03  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/79574
	* gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
	(hash_scan_set): Likewise.
	(dump_hash_table): Likewise.
	(hoist_code): Likewise.

2017-03-03  Richard Biener  <rguenther@suse.de>

	* fixed-value.c (fixed_from_string): Restore use of elt (1)
	in place of uhigh ().
	(fixed_convert_from_real): Likewise.

2017-03-03  Uros Bizjak  <ubizjak@gmail.com>

	PR target/79514
	* config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.

2017-03-03  Richard Biener  <rguenther@suse.de>

	PR middle-end/79818
	* match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
	TYPE_OVERFLOW_UNDEFINED check.

2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
	numbers.
	(vector_ae_<mode>_p): Likewise.
	(vector_nez_<mode>_p): Likewise.
	(vector_ne_v2di_p): Likewise.
	(vector_ae_v2di_p): Likewise.
	(vector_ne_<mode>_p): Likewise.
	* config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
	numbers.
	(vsx_tsqrt<mode>2_fe): Likewise.

2017-03-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/79514
	* config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.

2017-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79780
	* cprop.c (one_cprop_pass): When second and further conditional trap
	in a single basic block is turned into an unconditional trap, turn it
	into a deleted note to avoid RTL verification failures.

2017-03-02  Richard Biener  <rguenther@suse.de>

	* fold-const.c (const_binop): Use ulow () instead of elt (0).

2017-03-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79345
	PR c++/42000
	* tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
	param and abort the walk, returning -1 if it is hit.
	(walk_aliased_vdefs): Take a limit param and pass it on.
	* tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
	defaulting to 0 and return a signed int.
	* tree-ssa-uninit.c (struct check_defs_data): New struct.
	(check_defs): New helper.
	(warn_uninitialized_vars): Use walk_aliased_vdefs to warn
	about uninitialized memory.
	* fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
	bogus uninitialized warning.
	(fixed_convert_from_real): Likewise.

2017-03-02  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/66768
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
	iv_use if base object can't be determined.

2017-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79345
	* gensupport.h (struct pattern_stats): Add min_scratch_opno field.
	* gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
	(get_pattern_stats): Initialize it.
	* genemit.c (gen_expand): Verify match_scratch numbers come after
	match_operand/match_dup numbers.
	* config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
	match_scratch numbers.
	* config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
	Likewise.
	* config/s390/s390.md (trunctdsd2): Likewise.

2017-03-02  Richard Biener  <rguenther@suse.de>

	* wide-int.h (wide_int_storage::operator=): Implement in terms
	of wi::copy.

2017-03-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79777
	* tree-ssa-pre.c (eliminate_insert): Give up if we simplify
	the to insert expression to sth existing.

2017-03-01  Martin Sebor  <msebor@redhat.com>

	PR middle-end/79692
	* gimple-ssa-sprintf.c
	(directive::known_width_and_precision): New function.
	(format_integer): Use it.
	(get_mpfr_format_length): Consider the full range of precision
	when computing %g output with the # flag.  Set the likely byte
	count to 3 rather than 1 when precision is indeterminate.
	(format_floating): Correct the lower bound of precision.

2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* doc/invoke.texi: Document default code model for 64-bit Linux.

2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/79752
	* config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
	udiv rather than div since input pattern is unsigned.

2017-03-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (print_reg): Warn for values of
	unsupported size in integer register.

2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79439
	* config/rs6000/predicates.md (current_file_function_operand): Do
	not allow self calls to be local if the function is replaceable.

2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/79395
	* config/rs6000/altivec.h (vec_ctz and others): Change the
	preprocessor macro that controls conditional compilation from
	_ARCH_PWR9 to __POWER9_VECTOR__.
	(vec_all_ne): Change parameterization of __altivec_scalar_pred
	macro expansion under preprocessor #ifdef __POWER9_VECTOR__
	control (instead of _ARCH_PWR9 control) so that template
	definition uses power9-specific function.
	(vec_any_eq): Likewise.
	(vec_all_ne): Change macro definition to use a power9-specific
	expansion under #ifdef __POWER9_VECTOR__ control (instead of
	_ARCH_PWR9 control).
	(vec_any_eq) Likewise.
	* config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
	expansion for CMPNEF to remove support for xvcmpnesp instruction.
	(CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
	support for xvcmpnedp instruction.
	(VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
	macro expansion so that Power9 implementation of vec_all_ne does
	not use the AltiVec predicate framework.
	(VCMPNEH_P): Likewise.
	(VCMPNEW_P): Likewise.
	(VCMPNED_P): Likewise.
	(VCMPNEFP_P): Likewise.
	(VCMPNEDP_P): Likewise.
	(VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
	implementation of vec_any_eq to not use AltiVec predicate
	framework.
	(VCMPAEH_P): Likewise.
	(VCMPAEW_P): Likewise.
	(VCMPAED_P): Likewise.
	(VCMPAEFP_P): Likewise.
	(VCMPAEDP_P): Likewise.
	(VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
	BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
	not use the AltiVec predicate framework.
	(VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
	of vec_any_eq to not use AltiVec predicate framework.
	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
	support for predefined __POWER9_VECTOR__ macro to indicate that
	Power9 instruction selection is enabled.
	(altivec_overloaded_builtins): Remove extraneous
	ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
	function argument types RS6000_BTI_bool_V16QI and
	RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
	entry for overloaded function argument types RS6000_BTI_bool_V4SI
	andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
	two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
	P9V_BUILTIN_CMPNEF to force use of instructions not specific to
	Power9 for implementations of vec_cmpne.  Change the signature for
	all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
	(representing vec_all_ne) to remove the previously described first
	argument of type RS6000_BTI_INTSI, as this was an artifact of
	reliance on the AltiVec predicate framework, which is no longer
	used in the implementation of these functions.  Add
	P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
	function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
	since, unlike the AltiVec predicate framework implementation, we
	do not share function descriptors between vec_alle and vec_anyeq.
	(altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
	set of modes that receive special treatment even when
	TARGET_P9_VECTOR is true.  The special treatment emits code that
	does not depend on Power9 instructions.
	* config/rs6000/vector.md (vector_ne_<mode>_p): Change this
	define_expand to not rely on AltiVec predicate framework.
	(vector_ae_<mode>p): New define_expand to represent vec_any_eq
	function.
	(vector_ne_v2di_p): Change this define_expand to not rely on
	AltiVec predicate framework.
	(vector_ae_v2di_p): New define_expand to represent vec_any_eq
	function.
	(vector_ne_<mode>_p): Change this define_expand to not rely on
	AltiVec predicate framework.
	(vector_ae_<mode>p): New define_expand to represent vec_any_eq
	function.
	* config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
	(V16QI, V8HI, V4SI), correct a typo in the code emitted for this
	define_insn pattern.
	(*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
	define_insn pattern because the xvcmpne<VSs>. instruction is not
	supported.
	(vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
	instruction is not supported.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

	* config/nvptx/nvptx.c: Include intl.h.

2017-03-01  Martin Jambor  <mjambor@suse.cz>

	PR lto/78140
	* ipa-prop.h (ipa_bits): Removed field known.
	(ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
	to pointers.  Adjusted their comments to warn about their sharing.
	(ipcp_transformation_summary): Change bits to a vector of pointers.
	(ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
	(ipa_get_ipa_bits_for_value): Declare.
	* tree-vrp.h (value_range): Mark as GTY((for_user)).
	* ipa-prop.c (ipa_bit_ggc_hash_traits): New.
	(ipa_bits_hash_table): Likewise.
	(ipa_vr_ggc_hash_traits): Likewise.
	(ipa_vr_hash_table): Likewise.
	(ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
	being pointers and vr_known being removed.
	(ipa_set_jf_unknown): Likewise.
	(ipa_get_ipa_bits_for_value): New function.
	(ipa_set_jfunc_bits): Likewise.
	(ipa_get_value_range): New overloaded functions.
	(ipa_set_jfunc_vr): Likewise.
	(ipa_compute_jump_functions_for_edge): Use the above functions to
	construct bits and vr parts of jump functions.
	(ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
	ipa_bits_hash_table and ipa_vr_hash_table if they do not already
	exist.
	(ipcp_grow_transformations_if_necessary): Also allocate
	ipa_bits_hash_table and ipa_vr_hash_table if they do not already
	exist.
	(ipa_node_params_t::duplicate): Do not copy bits, just pointers to
	them.  Fix too long lines.
	(ipa_write_jump_function): Adjust for bits and m_vr being pointers and
	vr_known being removed.
	(ipa_read_jump_function): Use new setter functions to construct bits
	and vr parts of jump functions or set them to NULL.
	(write_ipcp_transformation_info): Adjust for bits being pointers.
	(read_ipcp_transformation_info): Likewise.
	(ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
	space.
	Include gt-ipa-prop.h.
	* ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
	being pointers.
	(ipcp_store_bits_results): Likewise.
	(propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
	Do not write to existing jump functions but use a temporary instead.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79681
	* fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
	attempt to use its first operand as BIT_FIELD_REF base.

2017-03-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/79721
	* tree-chrec.c (chrec_evaluate): Perform computation of Newtons
	interpolating formula in wrapping arithmetic.
	(chrec_apply): Convert chrec_evaluate return value to wanted type.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79734
	* tree-vect-generic.c (expand_vector_condition): Optimize
	AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
	Handle VEC_COND_EXPR where comparison has different inner width from
	type's inner width.

2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
	markup, and similar issues.  Remove @opindex entries for things
	that aren't options.  Add missing -mmpy-option entries.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79737
	* gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
	a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
	tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
	instead of byte_size.  Formatting fix.
	(shift_bytes_in_array_right): Formatting fix.

2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/79749
	* config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
	condition on optimize for the leaf function test.

2017-02-28  Martin Liska  <mliska@suse.cz>

	PR lto/79625
	* read-rtl-function.c (function_reader::handle_unknown_directive):
	Bail out when one uses -flto.

2017-02-28  Martin Liska  <mliska@suse.cz>

	* common.opt: Replace space with tabular for options of <number>
	type.
	* config/i386/i386.opt: Show <number> value for
	-mlarge-data-threshold.
	* opts.c (print_filtered_help): Do not display number in hexadecimal
	format.

2017-02-28  Martin Liska  <mliska@suse.cz>

	* common.opt: Fix --help=option -Q for options which are of
	an enum type.

2017-02-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (print_reg): Error out for values
	of 8-bit size in invalid integer register.

2017-02-28  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/79691
	* passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/79729
	* config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
	gcc_unreachable with output_operand_lossage.

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79740
	* tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
	inserts.
	(visit_nary_op): Insert the nary into the hashtable if we
	pattern-matched sth.
	* tree-ssa-pre.c (eliminate_insert): Robustify.

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/79731
	* fold-const.c (decode_field_reference): Reject out-of-bound
	accesses.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c: Include intl.h.
	(ix86_option_override_internal): Use cond ? G_("...") : G_("...")
	instead of just cond ? "..." : "...".
	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
	* coverage.c (read_counts_file): Likewise.
	* omp-offload.c: Include intl.h.
	(oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
	of just cond ? "..." : "...".
	* gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
	of just cond ? "..." : "...".

2017-02-28  Richard Earnshaw  <rearnsha@arm.com>

	PR target/79742
	* config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
	entry, if present.
	* config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
	'tune for' CPU name.
	* config/arm/arm-cpu-data.h: Regenerated.

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79732
	* tree-inline.c (expand_call_inline): Do not shadow var.

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79723
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
	address-space properly.

2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>

	* doc/optinfo.texi (Optimization groups): Fix option used for
	OPTGROUP_ALL.
	* doc/invoke.texi (-fopt-info): Document "omp".
	* dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
	(OPTGROUP_ALL): Add OPTGROUP_OMP.
	* hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
	* ipa-hsa.c (pass_data_ipa_hsa): Likewise.
	* omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.

	* dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
	all users.
	* dumpfile.c (optgroup_options): Instead of "openmp", associate
	OPTGROUP_OMP with "omp".

2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/79544
	* config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
	for arithmetic shift of unsigned V2DI.

2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>

	* config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
	arc/linux.h headers.
	* config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
	(LINK_SPEC): Likewise.
	(ARC_TLS_EXTRA_START_SPEC): Likewise.
	(EXTRA_SPECS): Likewise.
	(STARTFILE_SPEC): Likewise.
	(ENDFILE_SPEC): Likewise.
	(LIB_SPEC): Likewise.
	(TARGET_SDATA_DEFAULT): Likewise.
	(TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
	(MULTILIB_DEFAULTS): Likewise.
	(DWARF2_UNWIND_INFO): Likewise.
	* config/arc/big.h: New file.
	* config/arc/elf.h: Likewise.
	* config/arc/linux.h: Likewise.
	* config/arc/t-uClibc: Remove.

2017-02-27  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/77536
	* tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
	(tree_transform_and_unroll_loop): Use above function to compute the
	estimated niter of unrolled loop and use it when scaling profile.
	Also use count info rather than frequency if it's non-zero.
	* tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
	* tree-vect-loop.c (scale_profile_for_vect_loop): New function.
	(vect_transform_loop): Call above function.

2017-02-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/45397
	* tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
	* tree-ssa-sccvn.c (valueized_wider_op): New helper.
	(visit_nary_op): Add pattern matching for CSEing sign-changed
	or truncated operations with wider ones.

2017-02-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79690
	* tree-vect-stmts.c (vectorizable_store): Use vector type
	built from the DR with address-space.

2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Optimize Options): Refine the description
	of asan-use-after-return.

2017-02-25  Alan Modra  <amodra@gmail.com>

	PR rtl-optimization/79584
	* lra-constraints.c (base_to_reg): Reload ad->base, the entire
	base, not ad->base_term, the reg within base.  Remove assertion
	that ad->base == ad->base_term.  Replace gen_int_mode using
	bogus mode with const0_rtx.

2017-02-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79396
	* tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
	FMA_EXPR like tcc_binary or tcc_unary.

	* tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.

	PR debug/77589
	* dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
	bitfield.
	(size_of_loc_descr): Handle DW_OP_GNU_variable_value.
	(output_loc_operands): Handle DW_OP_call_ref and
	DW_OP_GNU_variable_value.
	(struct variable_value_struct): New type.
	(struct variable_value_hasher): Likewise.
	(variable_value_hash): New variable.
	(string_types): Remove.
	(copy_loc_descr): New function.
	(add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
	(prepend_loc_descr_to_each): New function.
	(add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
	instead of add_loc_descr_to_each if the first argument is single
	location list and the second has multiple.
	(resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
	(loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
	when looking for variable value which doesn't have other location info.
	(loc_list_from_tree): Formatting fix.
	(gen_array_type_die): Simplify DW_AT_string_length handling.
	(adjust_string_types): Remove.
	(gen_subprogram_die): Don't call adjust_string_types nor test/set
	string_types.  Call resolve_variable_values.
	(prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
	(resolve_addr_in_expr): Likewise.  Add A argument.
	(copy_deref_exprloc): Remove deref argument.  Adjust for the
	original expression being DW_OP_GNU_variable_value with optionally
	DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
	optionally after it.
	(optimize_string_length): Rework for DW_OP_GNU_variable_value.
	(resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
	callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
	(variable_value_hasher::hash, variable_value_hasher::equal): New
	methods.
	(resolve_variable_value_in_expr, resolve_variable_value,
	resolve_variable_values, note_variable_value_in_expr,
	note_variable_value): New functions.
	(dwarf2out_early_finish): Call note_variable_value on all toplevel
	DIEs.

2017-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/79677
	* opts.h (handle_generated_option): Add GENERATED_P argument.
	* opts-common.c (handle_option): Adjust function comment.
	(handle_generated_option): Add GENERATED_P argument, pass it to
	handle_option.
	(control_warning_option): Pass false to handle_generated_option
	GENERATED_P.
	* opts.c (maybe_default_option): Pass true to handle_generated_option
	GENERATED_P.
	* optc-gen.awk: Likewise.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
	a REG, look at the REG it is a SUBREG of.
	(splitter for cmpeqsi_t): Ditto.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
	the special USEs with the pattern of the insn, not the insn itself.

2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/79473
	* doc/invoke.texi: Document -mload-store-pairs.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
	argument isn't a CONST_INT.
	(nios2_alternate_compare_const): Assert op is a CONST_INT.
	(nios2_valid_compare_const_p): Assert op is a CONST_INT.
	(nios2_validate_compare): Bypass alternate compare logic if *op2
	is not a CONST_INT.
	(ldstwm_operation_p): Return false if first_base is not a REG or
	if first_offset is not a CONST_INT.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/cris/cris.md: Use correct operand in a define_peephole2.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
	this_insn if it is an INSN or JUMP_INSN.
	(force_offsettable): Look at base, not at addr.
	* config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
	on things that aren't necessarily CONST_INTs.

2017-02-24  Uros Bizjak  <ubizjak@gmail.com>

	* doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
	-mfpmath=sse is the default also for x86-32 targets with SSE2
	instruction set when @option{-ffast-math} is enabled

2017-02-24  Jeff Law  <law@redhat.com>

	PR rtl-optimizatoin/79286
	* ira.c (update_equiv_regs): Drop may_trap_p exception to
	dominance test.

2017-02-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79389
	* gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
	debug insns.

2017-02-24  Aldy Hernandez  <aldyh@redhat.com>

	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update
	function comment to reflect reality.
	(loop_exits_before_overflow): Fix typo in function description.

2017-02-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79389
	* gimple-ssa-split-paths.c (is_feasible_trace): Verify more
	properly that a threading opportunity exists.  Detect conditional
	copy/constant propagation opportunities.

2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>

	* config/visium/visium.md (type): Add trap.
	(b): New mode attribute.
	(*btst): Rename into...
	(*btst<mode>): ...this and adjust.
	(*cbranchsi4_btst_insn): Rename into...
	(*cbranch<mode>4_btst_insn): ...this and adjust.
	(trap): New define_insn.

2017-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79389
	* ifcvt.c (struct noce_if_info): Add rev_cond field.
	(noce_reversed_cond_code): New function.
	(noce_emit_store_flag): Use rev_cond if non-NULL instead of
	reversed_comparison_code.  Formatting fix.
	(noce_try_store_flag): Test rev_cond != NULL in addition to
	reversed_comparison_code.
	(noce_try_store_flag_constants): Likewise.
	(noce_try_store_flag_mask): Likewise.
	(noce_try_addcc): Use rev_cond if non-NULL instead of
	reversed_comparison_code.
	(noce_try_cmove_arith): Likewise.  Formatting fixes.
	(noce_try_minmax, noce_try_abs): Clear rev_cond.
	(noce_find_if_block): Initialize rev_cond.
	(find_cond_trap): Call noce_get_condition with then_bb == trap_bb
	instead of false as last argument never attempt to reverse it
	afterwards.

2017-02-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/79663
	* tree-predcom.c (combine_chains): Process refs in reverse order
	only for ZERO length chains, and add explaining comment.

2017-02-23  Jeff Law  <law@redhat.com>

	PR tree-optimization/79578
	* tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
	in call to operand_equal_p.

2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/71017
	* config/i386/cpuid.h: Fix another undefined behavior.

2017-02-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79683
	* tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
	vector types for data-refs.

2017-02-23  Martin Liska  <mliska@suse.cz>

	* params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.

2017-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79665
	* internal-fn.c (get_range_pos_neg): Moved to ...
	* tree.c (get_range_pos_neg): ... here.  No longer static.
	* tree.h (get_range_pos_neg): New prototype.
	* expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
	are known to be in between 0 and signed maximum inclusive, try to
	expand both unsigned and signed divmod and use the cheaper one from
	those.

2017-02-22  Jeff Law  <law@redhat.com>

	PR tree-optimization/79578
	* tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
	to compare base operands.

2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/79211
	* config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
	gpc_reg_operand instead of fpr_reg_operand.

2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>

	* config/mips/mips.c (mips_return_in_memory): Force FP
	vector types to be returned in memory for o32 ABI.

2017-02-22  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
	instead of DW_TAG_member for static data member declarations and don't
	set no_linkage_name for static inline data members.
	(gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
	to DW_TAG_member.

2017-02-22  Martin Liska  <mliska@suse.cz>

	* doc/invoke.texi: Replace inequality signs with square brackets
	for -Wnormalized.

2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/78660
	* lra-constraints.c (simplify_operand_subreg): Handle
	WORD_REGISTER_OPERATIONS targets.

2017-02-22  Jakub Jelinek  <jakub@redhat.com>

	PR target/70465
	* reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
	and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
	elimination by swapping fld*.

2017-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79673
	* tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
	convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
	irrelevant address-space qualifiers and avoiding a
	ADDR_SPACE_CONVERT_EXPR from fold_convert.

2017-02-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79666
	* tree-vrp.c (extract_range_from_binary_expr_1): Make sure
	to not symbolically negate if that may introduce undefined
	overflow.

2017-02-22  Martin Liska  <mliska@suse.cz>

	PR lto/79587
	* data-streamer-in.c (streamer_read_gcov_count): Remove assert.
	* data-streamer-out.c (streamer_write_gcov_count_stream):
	Likewise.
	* value-prof.c (stream_out_histogram_value): Make assert more
	precise based on type of counter.

2017-02-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/79593
	* config/i386/i386.md (standard_x87sse_constant_load splitter):
	Use nonimmediate_operand instead of memory_operand for operand 1.
	(float-extend standard_x87sse_constant_load splitter): Ditto.

2017-02-21 Jeff Law  <law@redhat.com>

	PR tree-optimization/79621
	* gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
	blocks with edges to themselves.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/79633
	* tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
	is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
	Use gimple_call_builtin_p.

	PR target/79570
	* sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
	on temporarily removed DEBUG_INSNs.

	PR tree-optimization/79649
	* tree-loop-distribution.c (classify_partition): Give up on
	non-generic address space loads/stores.

2017-02-21  Aldy Hernandez  <aldyh@redhat.com>

	* doc/loop.texi (Loop manipulation): Remove nonexistent
	tree_ssa_loop_version from the documentation.
	* cfgloopmanip.c (loop_version): Document CONDITION_BB argument.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/79494
	* config/i386/i386.c (ix86_expand_split_stack_prologue): Call
	make_reg_eh_region_note_nothrow_nononlocal on call_insn.
	* config/rs6000/rs6000.c: Include except.h.
	(rs6000_expand_split_stack_prologue): Call
	make_reg_eh_region_note_nothrow_nononlocal on the call insn.

2017-02-21  Martin Jambor  <mjambor@suse.cz>

	PR lto/79579
	* ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
	have been analyzed.

2017-02-21  Martin Jambor  <mjambor@suse.cz>

	* common.opt (-fipa-cp-alignment): Mark as ignored and preserved
	for backward compatibility only.
	* doc/invoke.texi (Option Summary): Remove all references to
	-fipa-cp-alignment.

2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/78660
	Revert:
	2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	* lra-constraints.c (curr_insn_transform): Handle
	WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.

2017-02-21  Martin Liska  <mliska@suse.cz>

	* config/i386/i386.opt: Replace -masm-dialect with -masm.

2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>

	PR translation/79638
	* config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".

2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/67205
	* config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
	(arm_function_ok_for_sibcall): Return false for an indirect call by
	descriptor if all the argument registers are used.
	(arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
	alignment of the function.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/61441
	* simplify-rtx.c (simplify_const_unary_operation): For
	-fsignaling-nans and sNaN operand, return NULL_RTX rather than
	the sNaN unmodified.

2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
	(LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
	instead of SYSTEM_HEADER_DIR.

2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
	    Martin Liška  <mliska@suse.cz>

	* doc/invoke.texi (use-after-scope-direct-emission-threshold):
	Fix typos and grammar, use active voice, and clarify.

2017-02-20  Marek Polacek  <polacek@redhat.com>

	PR middle-end/79537
	* gimplify.c (gimplify_expr): Handle unused *&&L;.

	PR sanitizer/79558
	* ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.

2017-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/79568
	* config/i386/i386.c (ix86_expand_builtin): Handle
	OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
	ix86_builtins_isa[fcode].isa as a requirement of those
	flags and any other flag in the bitmask.
	(ix86_init_mmx_sse_builtins): Use 0 instead of
	~OPTION_MASK_ISA_64BIT as mask.
	* config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
	__builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
	__builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
	__builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/78012
	* lra-constraints.c (split_reg): Check requested split mode
	is supported by the register.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	* lra-constraints.c (simplify_operand_subreg): Remove early
	return false.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/78660
	* lra-constraints.c (curr_insn_transform): Tighten condition
	for converting SUBREG reloads from OP_OUT to OP_INOUT.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

	PR target/78660
	* lra-constraints.c (curr_insn_transform): Handle
	WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.

2017-02-19  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2016-05-30  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".

2017-02-19  Jonathan Wakely  <jwakely@redhat.com>

	PR c++/69523
	* doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
	description.

2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
	for FMA_EXPR.

2017-02-18  Jakub Jelinek  <jakub@redhat.com>

	* final.c (last_columnnum, override_columnnum): New variables.
	(final_start_function): Set last_columnnum, pass it to begin_prologue
	hook and pass 0 to dwarf2out_begin_prologue.
	(final_scan_insn): Update override_columnnum.  Pass last_columnnum
	to source_line debug hook.
	(notice_source_line): Compute last_columnnum and for debug_column_info
	return true on column changes.
	* debug.h (struct gcc_debug_hooks): Add column argument to
	source_line and begin_prologue hooks.
	(debug_nothing_int_charstar_int_bool): Remove prototype.
	(debug_nothing_int_int_charstar,
	debug_nothing_int_int_charstar_int_bool): New prototypes.
	(dwarf2out_begin_prologue): Add column argument.
	* debug.c (do_nothing_debug_hooks): Adjust source_line and
	begin_prologue hooks.
	(debug_nothing_int_charstar_int_bool): Remove.
	(debug_nothing_int_int_charstar,
	debug_nothing_int_int_charstar_int_bool): New functions.
	* dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
	through to dwarf2out_source_line.
	(dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
	(dwarf2out_source_line): Add column argument, emit it if requested.
	* sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
	arguments.
	* xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
	* xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
	* vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
	through to dwarf2out_begin_prologue.
	(vmsdbgout_source_line): Add column argument, pass it through to
	dwarf2out_source_line.
	* dbxout.c (dbxout_begin_prologue): Add column argument, adjust
	dbxout_source_line caller.
	(dbxout_source_line): Add column argument.

	* common.opt (gno-column-info, gcolumn-info): New options.
	* dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
	(check_die): Also test for multiple DW_AT_decl_column attributes.
	(add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
	DW_AT_decl_column if requested.
	(gen_subprogram_die): Compare and/or add also DW_AT_decl_column
	if requested.
	(gen_variable_die): Likewise.
	(add_call_src_coords_attributes): Add DW_AT_call_column if requested.
	* doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.

	PR target/79569
	* config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
	* common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
	(ix86_handle_option): Handle OPT_m3dnowa.
	* doc/invoke.texi (-m3dnowa): Document.
	* doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
	-m3dnowa instead of -m3dnow -march=athlon.

	PR target/79559
	* config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
	instead of gcc_assert for K, r and R code checks.  Formatting fixes.

2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79261
	* config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
	support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
	* config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
	generator for vsx_xxpermdi_<mode>_be.
	* config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
	force big-endian semantics.
	(vsx_xxpermdi_<mode>_be): New define_expand with same
	implementation as previous version of vsx_xxpermdi_<mode>.

2017-02-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79327
	* gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
	variable, its initialization and use.

2017-02-17  Julia Koval  <julia.koval@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
	(OPTION_MASK_ISA_PKU_UNSET): New.
	(ix86_handle_option): Handle -mrdpid.
	* config/i386/cpuid.h (bit_RDPID): New.
	* config/i386/driver-i386.c (host_detect_local_cpu):
	Detect RDPID feature.
	* config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
	* config/i386/i386-c.c (ix86_target_macros_internal):
	Handle RDPID flag.
	* config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
	(ix86_valid_target_attribute_inner_p): Add "rdpid".
	(ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
	* config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
	* config/i386/i386.md (define_insn "rdpid"): New.
	* config/i386/i386.opt Add -mrdpid.
	* config/i386/immintrin.h (_rdpid_u32): New.

2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/79541
	* lra-constraints.c (curr_insn_transform): Remove wrong asm insn
	instead of transforming it into USE.

2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
	If HONOR_SNANS (SFmode) force the input to a register.
	(*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
	(*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
	an frsp or similar insn.

2017-02-17  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/79577
	* params.def (selsched-max-sched-times): Increase minimum to 1.

2017-02-17  Martin Liska  <mliska@suse.cz>

	PR rtl-optimization/79574
	* gcse.c (want_to_gcse_p): Prevent integer overflow.

2017-02-17  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79529
	* tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
	ssa_defined_default_def_p to handle cases which are implicitly
	defined.
	* tree-ssa.c (ssa_defined_default_def_p): New function.
	(ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
	which are implicitly defined.
	* tree-ssa.h (ssa_defined_default_def_p): Declare.

2017-02-17  Richard Biener  <rguenther@suse.de>

	PR middle-end/79576
	* params.def (max-ssa-name-query-depth): Limit to 10.

2017-02-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79552
	* tree-ssa-structalias.c (visit_loadstore): Properly verify
	default defs.

2017-02-17  Richard Biener  <rguenther@suse.de>

	PR bootstrap/79567
	* genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.

2017-02-17  Marek Polacek  <polacek@redhat.com>

	PR middle-end/79536
	* fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
	(fold_negate_expr): New wrapper.

2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
	Correct terminology and de-emphasize pre-standard behavior.

2017-02-16  Alan Modra  <amodra@gmail.com>

	PR rtl-optimization/79286
	* ira.c (def_dominates_uses): New function.
	(update_equiv_regs): Don't create an equivalence for insns that
	may trap where the register def does not dominate the use.

2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/78127
	* lra.c (lra): Call lra_eliminate before finish the loop after
	lra_constraint.

2017-02-16  Richard Biener  <rguenther@suse.de>

	* graphite.h: Do not include isl/isl_val_gmp.h, instead include
	isl/isl_val.h.
	* graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
	(gcc_expression_from_isl_expr_int): Use generic isl_val interface.
	* graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
	(isl_val_int_from_wi): New function.
	(extract_affine_gmp): Rename to ...
	(extract_affine_wi): ... this, take a widest_int.
	(extract_affine_int): Just wrap extract_affine_wi.
	(add_param_constraints): Use isl_val_int_from_wi.
	(add_loop_constraints): Likewise, and extract_affine_wi.

2017-02-15 Jeff Law  <law@redhat.com>

	PR middle-end/79521
	* ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
	ira_init_register_move_cost_if_necessary.

2017-02-15  Martin Sebor  <msebor@redhat.com>

	PR middle-end/32003
	* doc/invoke.texi (-fdump-final-insns): Replace option accidentally
	removed in a prior commit.

2017-02-15  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/79347
	* tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
	counters during peeling.

2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>

	* Makefile.in (site.exp): Remove "set ISLVER".

2017-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR target/79487
	* real.c (real_from_integer): Call real_convert even for decimal.

2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	PR target/79421
	* config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.

2017-02-14  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
	cores and change the partno/implementer to be correct.
	(thunderx2t99p1): New core which replaces thunderx2t99 and still has
	the 'B" as the implementer.
	* config/aarch64/aarch64-tune.md: Regenerate.

2017-02-14  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000.c: Add case statement entry to make the
	xvcvuxdsp built-in argument unsigned.
	* config/rs6000/vsx.md: Fix the source and return operand types so they
	match the instruction definitions from the ISA document.  Fix typo
	in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
	statement.

2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/79282
	* lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
	member early_clobber_alts.
	* lra-lives.c (reg_early_clobber_p): New.
	(process_bb_lives): Use it.
	* lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
	(debug_operand_data): Initialize early_clobber_alts.
	(setup_operand_alternative): Set up early_clobber_alts.
	(collect_non_operand_hard_regs): Ditto.  Pass early clobber
	alternatives to new_insn_reg.
	(add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
	it.
	(lra_update_insn_regno_info): Pass the new arg.

2017-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79505
	* omp-offload.c (free_oacc_loop): Release loop->ifns vector.
	(new_oacc_loop_raw): Don't clear already cleared fields.

	PR target/79481
	* config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
	_mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
	_mm512_prefetch_i64gather_ps): New inline functions and macros.

2017-02-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/79495
	* config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.

2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/79498
	* config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
	the extra instruction to the right place to store 128-bit constant
	when needed.

2017-02-14  Martin Sebor  <msebor@redhat.com>

	PR middle-end/79448
	* gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
	  warning for strings of unknown length.

2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>

	* config.gcc (supported_defaults) [powerpc*-*-*]: Update.

2017-02-14 Jeff Law  <law@redhat.com>

	PR target/79404
	* ira-costs.c (scan_one_insn): Initialize register move costs
	for pseudos seen in USE/CLOBBER insns.

	PR tree-optimization/79095
	* tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
	if the numerator has the range ~[0,0] make the resultant range ~[0,0].
	(extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
	if the operands are known to be not equal, then the resulting range
	is ~[0,0].
	(intersect_ranges): If the new range is ~[0,0] and the old range is
	wide, then prefer ~[0,0].
	* tree-vrp.c (overflow_comparison_p_1): New function.
	(overflow_comparison_p): New function.
	* tree-vrp.c (register_edge_assert_for_2): Register additional asserts
	if NAME is used in an overflow test.
	(vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
	overflow check that can be expressed as an equality test, then adjust
	ops to be that equality test.

2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-builtin-types.def: Remove flags argument.
	* config/s390/s390.c (s390_init_builtins): Likewise.

2017-02-14  Martin Liska  <mliska@suse.cz>

	* tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
	vector.  Fix trailing white spaces.

2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
	HFmode.

2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR rtl-optimization/68664
	* config/arm/arm.c (arm_sched_can_speculate_insn):
	New function.  Declare prototype.
	(TARGET_SCHED_CAN_SPECULATE_INSN): Define.

2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR rtl-optimization/68664
	* config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
	New function.
	(TARGET_SCHED_CAN_SPECULATE_INSN): Define.

2017-02-14  Amit Pawar  <amit.pawar@amd.com>

	* config/i386/i386.c (znver1_cost): Fix the alignment for function and
	max skip bytes for function, loop and jump.

2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
	ABS_EXPR for gimple dump.

2017-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/79462
	* config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].

	PR tree-optimization/79408
	* tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
	case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
	(simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
	also if rhs1 is INTEGER_CST.

2017-02-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/79432
	* tree-into-ssa.c (insert_phi_nodes): When the function can
	have abnormal edges rewrite SSA names with broken use-def
	dominance out of SSA and register them for PHI insertion.

2017-02-13  Martin Sebor  <msebor@redhat.com>

	PR middle-end/79496
	* gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
	clearing info.nowrite flag when snprintf size argument is a range.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

	* cprop.c (cprop_jump): Add missing space in string literal.
	* tree-ssa-structalias.c (rewrite_constraints): Likewise.
	(get_constraint_for_component_ref): Likewise.
	* df-core.c (df_worklist_dataflow_doublequeue): Likewise.
	* tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
	* lra-constraints.c (process_alt_operands): Likewise.
	* ipa-inline.c (inline_small_functions): Likewise.
	* tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
	* cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
	* trans-mem.c (diagnose_tm_1_op): Likewise.
	* omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
	(grid_parallel_clauses_gridifiable): Likewise.

	* config/nvptx/mkoffload.c (process): Add space in between
	, and %d.

	* config/i386/i386.h (REG_CLASS_NAMES): Add , in between
	"MOD4_SSE_REGS" and "ALL_REGS".

	* spellcheck.c (test_data): Add , in between "foo" and "food".

2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/79449
	* config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
	boundary crossing check and subsequent code generation agree.

2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64.c (has_memory_op): Delete.
	(aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
	has_memory_op.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79388
	PR rtl-optimization/79450
	* combine.c (distribute_notes): When removing TEM_INSN for which
	corresponding dest has last value recorded, invalidate that last
	value.

2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
	of explicit '@'.  Add missing assembly comment marker on branch costs
	printout.

2017-02-13  Nathan Sidwell  <nathan@acm.org>

	* gengtype-lex.l (<in_struct>): Add '/'.

2017-02-13  Martin Liska  <mliska@suse.cz>

	PR c/79471
	* calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.

2017-02-13  Richard Biener  <rguenther@suse.de>

	* configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
	Remove.
	* configure: Re-generate.
	* config.in: Likewise.
	* graphite-dependences.c: Simplify as if
	HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
	* graphite-isl-ast-to-gimple.c: Likewise.
	* graphite-optimize-isl.c: Likewise.
	* graphite-poly.c: Likewise.
	* graphite-sese-to-poly.c: Likewise.
	* graphite.h: Likewise.
	* toplev.c: Include isl/version.h and use isl_version () for
	printing the ISL version.
	* doc/install.texi: Update ISL requirement.

2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi (Standards): Update reference to
	Objective-C 2.0.

2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
	
	* doc/extend.texi (Named Address Spaces): sourceware.org now
	defaults to https.
	* doc/install.texi (Binaries): Ditto.
	(Specific): Ditto.

2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/cpp.texi: Replace "stringify"/"stringification" with C 
	standard terminology "stringize"/"stringizing" throughout.
	* doc/cppinternals.texi: Likewise.

2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Fix some spelling mistakes and typos.
	* doc/invoke.texi: Likewise.

2017-02-11  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/79224
	* params.def (inline-min-speedup) Change from 10 to 8.

2017-02-11  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
	4.5.

2017-02-11  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/79224
	* ipa-inline-analysis.c (get_minimal_bb): New function.
	(record_modified): Use it.
	(remap_edge_change_prob): Handle also ancestor functions.

2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Remove broken link into
	the Mauve CVS repository.

2017-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79454
	* internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
	result computation whenever lhs doesn't have vector mode, not
	just when it has BLKmode.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/makefile.texi (profiledbootstrap): Refer to the
	installation instructions only in textual form.

2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/79295
	* config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): Use https for blackfin.uclinux.org.
	(Specific): Update mingw-w64 reference.
	(Binaries): Ditto.
	(Specific): Remove broken link to Renesas RX processor.

2017-02-10  Richard Biener  <rguenther@suse.de>

	* toplev.c (process_options): Do not mention obsolete graphite
	options when printing sorry message about missing graphite support.
	Mention -floop-nest-optimize.

2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
	(vtst_p16): Likewise.
	(vtstq_p8): Likewise.
	(vtstq_p16): Likewise.
	(vtst_p64): New.
	(vtstq_p64): Likewise.
	* config/arm/arm_neon.h (vgetq_lane_p64): New.
	(vset_lane_p64): New.
	(vsetq_lane_p64): New.

2017-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79411
	* tree-ssa-reassoc.c (is_reassociable_op): Return false if
	stmt operands are SSA_NAMEs used in abnormal phis.
	(can_reassociate_p): Return false if op is SSA_NAME used in abnormal
	phis.

2017-02-09  Jan Hubicka  <hubicka@ucw.cz>

	PR ipa/70795
	* cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
	flag if needed.

2017-02-09  Jan Hubicka  <hubicka@ucw.cz>

	* tree-ssa-loop-unswitch.c (hoist_guard): Update profile.

2017-02-09  Jakub Jelinek  <jakub@redhat.com>

	* omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
	to avoid warning.

	PR c/79413
	* gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
	not arbitrary TREE_CONSTANT.

	PR c/79431
	* gimplify.c (gimplify_adjust_omp_clauses): Ignore
	"omp declare target link" attribute unless is_global_var.
	* omp-offload.c (find_link_var_op): Likewise.

2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>

	* gimplify.c (gimplify_scan_omp_clauses): No special handling for
	OMP_CLAUSE_TILE.
	(gimplify_adjust_omp_clauses): Don't delete TILE.
	(gimplify_omp_for): Deal with TILE.
	* internal-fn.c (expand_GOACC_TILE): New function.
	* internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
	(GOACC_TILE): New.
	* omp-expand.c (struct oacc_collapse): Add tile and outer fields.
	(expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
	element fields.
	(expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
	avoid DIV for outermost collapse var.
	(expand_oacc_for): Insert tile element loop as needed.  Adjust.
	Remove out of date comments, fix whitespace.
	* omp-general.c (omp_extract_for_data): Deal with tiling.
	* omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
	adjust OLF_DIM_BASE value.
	(struct omp_for_data): Add tiling field.
	* omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
	(lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
	for auto loops.  Remove default auto determining, moved to
	oacc_loop_fixed_partitions.
	* omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
	stmts, add e_mask field.
	(oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
	(oacc_thread_numbers): Use oacc_dim_call.
	(oacc_xform_tile): New.
	(new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
	(finish_oacc_loop): Adjust for ifns vector.
	(oacc_loop_discover_walk): Append loop abstraction sites to list,
	add case for GOACC_TILE fns.
	(oacc_loop_xform_loop): Delete.
	(oacc_loop_process): Iterate over call list directly, and add
	handling for GOACC_TILE fns.
	(oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
	dump partitioning.
	(oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
	vector partitioning to outer loops.  Assign 2 partitions to loops
	when available. Add TILE handling.
	(oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
	(execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
	* tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
	* tree.c (omp_clause_num_ops): Adjust TILE ops.
	* tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.

2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>

	* configure.ac (ACX_BUGURL): Update.
	* configure: Regenerate.

2017-02-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69823
	* graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
	Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.

2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>

	* config/arc/arc-c.def: Add __NPS400__ definition.
	* config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
	(TARGET_NPS400): Define.

2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>

	* config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
	file.
	(arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
	pointer, arch_info.
	(arc_cpu_types): Fill the arch_info field with a pointer into the
	arc_arch_types table.
	(arc_selected_cpu): Declare.
	* config/arc/arc.c (arc_selected_cpu): Make global.
	(arc_selected_arch): Delete.
	(arc_base_cpu): Delete.
	(arc_override_options): Remove references to deleted variables,
	update access to arch information.
	(ARC_OPT): Update access to arch information.
	(ARC_OPTX): Likewise.
	* config/arc/arc.h (arc_base_cpu): Remove declaration.
	(TARGET_ARC600): Update access to arch information.
	(TARGET_ARC601): Likewise.
	(TARGET_ARC700): Likewise.
	(TARGET_EM): Likewise.
	(TARGET_HS): Likewise.
	* config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
	information.

2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/78604
	* config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
	condition/operands for integer GE/LE/GEU/LEU operations.

2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>

	PR translation/79397
	* config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
	of AltiVec.

2017-02-08  Martin Jambor  <mjambor@suse.cz>

	PR ipa/79375
	* ipa-prop.c (ipa_alloc_node_params): Make static, return bool
	whether allocation happened.
	(ipa_initialize_node_params): Do not call ipa_alloc_node_params if
	nothing was allocated.

2017-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79408
	* tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
	constant, but SSA_NAME with a known integer range, use the minimum
	of that range instead of op1 to determine if modulo can be replaced
	with its first operand.

2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.

2017-02-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71824
	* graphite-scop-detection.c (scop_detection::build_scop_breadth):
	Check all loops contained in the merged region.

2017-02-07  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64.md (popcount<mode>2): New pattern.

2017-02-07  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
	(thunderxt88): Likewise.
	(thunderxt81): Disable LSE and change v8.1 to v8.
	(thunderxt83): Likewise.

2017-02-07  Jakub Jelinek  <jakub@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR middle-end/79399
	* ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
	type from int to size_t.
	* ira-costs.c (struct_costs_size): Change type from int to size_t.

2017-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/79386
	* cprop.c (bypass_conditional_jumps): Initialize
	bypass_last_basic_block already before splitting bbs after
	unconditional traps...
	(bypass_conditional_jumps): ... rather than here.

	PR target/79299
	* config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
	(*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
	*avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
	fix -masm=intel patterns.

2017-02-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79256
	PR middle-end/79278
	* builtins.c (get_object_alignment_2): Use min_align_of_type
	to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
	and ADJUST_FIELD_ALIGN.

	* doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
	type parameter.
	* doc/tm.texi: Regenerate.
	* stor-layout.c (layout_decl): Adjust.
	(update_alignment_for_field): Likewise.
	(place_field): Likewise.
	(min_align_of_type): Likewise.
	* config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
	* config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
	* config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/frv/frv.c (frv_adjust_field_align): Likewise.
	* config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/i386/i386.c (x86_field_alignment): Likewise.
	* config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
	 Likewise.

	Revert
	2017-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79256
	* targhooks.c (default_builtin_vector_alignment_reachable): Honor
	BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
	alignment on TYPE.

2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>

	* config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
	argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
	builtins to SImode and emit a zero-extend, if necessary.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

	* docs/invoke.texi (RISC-V Options): Alphabetize.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

	* doc/invoke.texi (RISC-V Options): Use two spaces to separate
	options.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

	* config/riscv/riscv.c: New file.
	* gcc/common/config/riscv/riscv-common.c: Likewise.
	* config.gcc: Likewise.
	* config/riscv/constraints.md: Likewise.
	* config/riscv/elf.h: Likewise.
	* config/riscv/generic.md: Likewise.
	* config/riscv/linux.h: Likewise.
	* config/riscv/multilib-generator: Likewise.
	* config/riscv/peephole.md: Likewise.
	* config/riscv/pic.md: Likewise.
	* config/riscv/predicates.md: Likewise.
	* config/riscv/riscv-builtins.c: Likewise.
	* config/riscv/riscv-c.c: Likewise.
	* config/riscv/riscv-ftypes.def: Likewise.
	* config/riscv/riscv-modes.def: Likewise.
	* config/riscv/riscv-opts.h: Likewise.
	* config/riscv/riscv-protos.h: Likewise.
	* config/riscv/riscv.h: Likewise.
	* config/riscv/riscv.md: Likewise.
	* config/riscv/riscv.opt: Likewise.
	* config/riscv/sync.md: Likewise.
	* config/riscv/t-elf-multilib: Likewise.
	* config/riscv/t-linux: Likewise.
	* config/riscv/t-linux-multilib: Likewise.
	* config/riscv/t-riscv: Likewise.
	* configure.ac: Likewise.
	* doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
	Waterman as RISC-V maintainers.
	* doc/install.texi: Add RISC-V entries.
	* doc/invoke.texi: Add RISC-V options section.
	* doc/md.texi: Add RISC-V constraints section.
	* configure: Regenerated.

2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/66144
	* config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
	false values to be constant vectors with all 0 or all 1 bits set.
	(vcondu<mode><mode>): Likewise.
	* config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
	predicate.
	(fpmask_comparison_operator): Update comment.
	(vecint_comparison_operator): New predicate.
	* config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
	vector conditionals when the true and false values are constant
	vectors with all 0 bits or all 1 bits set.

2017-02-06  Martin Sebor  <msebor@redhat.com>

	PR  tree-optimization/79376
	* gimple-fold.c (get_range_strlen): Set the minimum length to zero.

2017-02-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vector modes -> vec_extract* splitter): Use
	explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
	to simplify split condition.

2017-02-06  Jakub Jelinek  <jakub@redhat.com>

	* omp-expand.c (oxpand_omp_atomic_fetch_op,
	expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
	false.

2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/68664
	* target.def (can_speculate_insn): New hook.
	* doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
	* doc/tm.texi: Regenerate.
	* sched-rgn.c (can_schedule_ready_p): Use the new hook.
	* config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
	(rs6000_sched_can_speculate_insn): New function.

2017-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79284
	* tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
	* tree-vect-stmts.c (vect_get_vec_def_for_operand,
	vectorizable_mask_load_store, vectorizable_operation,
	vect_is_simple_cond, get_same_sized_vectype): Use it instead
	of comparing TREE_CODE of a type against BOOLEAN_TYPE.
	* tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
	vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
	* tree-vect-slp.c (vect_get_constant_vectors): Likewise.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
	Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
	is_gimple_assign (stmt).  Replace another such test with
	is_gimple_assign (stmt).

2017-02-06  Georg-Johann Lay  <avr@gjlay.de>

	PR target/78883
	* config/avr/avr.c (rtl-iter.h): Include it.
	(TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
	(avr_legitimate_combined_insn): ...and implementation.

2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
	* config/s390/s390.c (s390_const_operand_ok)
	(s390_canonicalize_comparison, s390_extract_part)
	(s390_single_part, s390_contiguous_bitmask_nowrap_p)
	(s390_contiguous_bitmask_p, s390_rtx_costs)
	(legitimize_pic_address): Likewise.
	* config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
	* config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
	("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
	("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
	* config/s390/vector.md ("vec_vfenes<mode>"): Likewise.

2017-02-06  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (*addhi3_zero_extend): Add alternative where
	REGNO($0) == REGNO($1).

2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/linux.h(SIZE_TYPE): Add comment.

2017-02-06  Julian Brown  <julian@codesourcery.com>
	    Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
	    Virendra Pathak  <virendra.pathak@broadcom.com>

	* config/aarch64/aarch64-cores.def: Change the scheduler
	to Thunderx2t99.
	* config/aarch64/aarch64.md: Include thunderx2t99.md.
	* config/aarch64/thunderx2t99.md: New file.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/standards.texi (Go Language): Update link to language
	standard.

2017-02-05  Jan Hubicka  <hubicka@ucw.cz>

	* tree-eh.c (lower_resx): Sanitize profile.
	(cleanup_empty_eh_move_lp): Likewise.

2017-02-05  Jan Hubicka  <hubicka@ucw.cz>

	PR tree-ssa/79347
	* cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
	ELSE_PROB.
	* cfgloopmanip.h (loop_version): Update prototype.
	* modulo-sched.c (sms_schedule): Update call of loop_version.
	* tree-if-conv.c(version_loop_for_if_conversion): Likewise.
	* tree-parloops.c (gen_parallel_loop): Likewise.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
	* tree-ssa-loop-split.c (split_loop): Likewise.
	* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
	* tree-vect-loop-manip.c (vect_loop_versioning): Likewise.

2017-02-05  Martin Liska  <mliska@suse.cz>

	PR bootstrap/78985
	* config/s390/s390.c (s390_gimplify_va_arg): Initialize local
	variable to NULL.
	(print_operand_address): Initialize a struct to zero.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Refer to Hans Boehm's
	garbage collector only in textual form.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
	
	* doc/extend.texi (x86 specific memory model extensions for
	transactional memory): Simplify a phrase.

2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/79353
	* config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
	'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
	(atomic_storedi_1): Likewise.

2017-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79338
	* tree-parloops.c (gather_scalar_reductions): Don't call
	vect_analyze_loop_form for loop->inner before destroying loop's
	loop_vinfo.

2017-02-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/79327
	* gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
	when precision has resulted in leading zeros.
	(format_integer): Adjust the likely counter to assume an unknown
	argument that may be zero is non-zero.

2017-02-03  Jason Merrill  <jason@redhat.com>

	PR c++/78689
	* tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
	avoid copying non-taken branch.

2017-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79340
	* tree-vect-loop.c (vectorizable_reduction): Release
	vec_defs elements after safe_splicing them into other vectors.
	Formatting fixes.

	PR tree-optimization/79327
	* gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
	true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
	dirtype.
	(format_integer): Use wide_int_to_tree instead of build_int_cst
	+ to_?hwi.  If argmin is NULL, just set argmin and argmax to
	TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
	of shortest and longest sequence.

2017-02-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (dimode_scalar_chain::convert_reg):
	Use pextrd for TARGET_SSE4_1 when creating scalar copy.

2017-02-03  Walter Lee  <walt@tilera.com>

	PR target/78862
	* config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
	after initial stackframe link reg save.
	* config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.

2017-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/79354
	* config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
	wu for stxssp alternative.

2017-02-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/79352
	* gimple-fold.c (get_range_strlen): Add argument.
	(get_range_strlen): Change return type to bool.
	(get_maxval_strlen): Pass in a dummy argument.
	* gimple-fold.h (get_range_strlen): Change return type to bool.
	* gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
	* tree.h (array_at_struct_end_p): Add argument.
	* tree.c (array_at_struct_end_p): Handle it.

2017-02-03  Martin Liska  <mliska@suse.cz>

	PR lto/66295
	* multiple_target.c (create_dispatcher_calls): Redirect edge
	from a caller of a dispatcher.
	(expand_target_clones): Make the clones local.
	(ipa_target_clone): Do both target clones and resolvers.
	(ipa_dispatcher_calls): Remove the pass.
	(pass_dispatcher_calls::gate): Likewise.
	(make_pass_dispatcher_calls): Likewise.
	* passes.def (pass_target_clone): Put as very first IPA early
	pass.

2017-02-03  Martin Liska  <mliska@suse.cz>

	* symtab.c (symtab_node::binds_to_current_def_p): Bail out
	in case of a function with ifunc attribute.

2017-02-03  Martin Liska  <mliska@suse.cz>

	* cgraph.c (cgraph_node::dump): Dump function version info.
	* symtab.c (symtab_node::dump_base): Add missing new line.

2017-02-02  Jan Hubicka  <hubicka@ucw.cz>

	* tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
	(ifcombine_ifandif): Use it.

2017-02-03  Martin Liska  <mliska@suse.cz>

	* doc/invoke.texi: Document default value for
	use-after-scope-direct-emission-threshold.

2017-02-03  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79339
	* gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
	(format_floating): Likewise.

2017-02-03  Martin Liska  <mliska@suse.cz>

	PR ipa/79337
	* ipa-prop.c (ipa_node_params_t::insert): Remove current
	implementation.
	(ipa_node_params_t::remove): Likewise.
	* ipa-prop.h (ipa_node_params::ipa_node_params): Make default
	initialization from removed ipa_node_params_t::insert.
	(ipa_node_params::~ipa_node_params): Move from removed
	ipa_node_params_t::release.
	* symbol-summary.h (symbol_summary::m_released): New member.
	Do not release a summary twice.  Do not allow to call finalizer
	for types of a summary that live in GGC memory.

2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

	* config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
	cmp_branch fusion.

2017-02-02  Martin Sebor  <msebor@redhat.com>

	PR middle-end/79275
	* gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
	(format_string): Tighten up the range of output for non-constant
	strings and correct the expected range for wide non-constant strings.

2017-02-02  Martin Sebor  <msebor@redhat.com>

	* doc/invoke.texi (-maccumulate-args): Fix bad grammar.

	PR middle-end/32003
	* doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
	index.
	(-fdump-tree-@var): Add to index and document how to come up
	with pass-specific option and dump file names.
	(-fdump-passes): Clarify where to look for output.

2017-02-02  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77445
	* tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
	statistics of the analyzed path; allow threading for speed when
	any of BBs along the path are optimized for speed.

2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/78468
	* emit-rtl.c (init_emit): Add ??? comment for problematic alignment
	settings of the virtual registers.

	Revert again
	2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* explow.c (get_dynamic_stack_size): Take known alignment of stack
	pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
	needed.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
	("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.md: Add missing comments with the expanded
	mnemonics.
	* config/s390/vector.md: Likewise.
	* config/s390/vx-builtins.md: Likewise.

2017-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/79197
	* config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
	(fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
	conditions on a single line.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
	__S390_VX__ to __VX__.

2017-02-01  Andrew Pinski  <apinski@cavium.com>

	* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
	stmt_info to record_stmt_cost.
	(vect_get_known_peeling_cost): Pass stmt_info if known to
	record_stmt_cost.
	* config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
	cpu_vector_cost field into
	scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
	field into vec_int_stmt_cost and vec_fp_stmt_cost.
	* config/aarch64/aarch64.c (generic_vector_cost): Update for the
	splitting of scalar_stmt_cost and vec_stmt_cost.
	(thunderx_vector_cost): Likewise.
	(cortexa57_vector_cost): LIkewise.
	(exynosm1_vector_cost): Likewise.
	(xgene1_vector_cost): Likewise.
	(thunderx2t99_vector_cost): Improve after the splitting of the two
	fields.
	(aarch64_builtin_vectorization_cost): Update for the splitting of
	scalar_stmt_cost and vec_stmt_cost.

2017-02-01  Torvald Riegel  <triegel@redhat.com>
	    Richard Henderson  <rth@redhat.com>

	* builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
	conditional on existance of a fast atomic load.
	* optabs-query.c (can_atomic_load_p): New function.
	* optabs-query.h (can_atomic_load_p): Declare it.
	* optabs.c (expand_atomic_exchange): Always delegate to libatomic if
	no fast atomic load is available for the particular size of access.
	(expand_atomic_compare_and_swap): Likewise.
	(expand_atomic_load): Likewise.
	(expand_atomic_store): Likewise.
	(expand_atomic_fetch_op): Likewise.
	* testsuite/lib/target-supports.exp
	(check_effective_target_sync_int_128): Remove x86 because it provides
	no fast atomic load.
	(check_effective_target_sync_int_128_runtime): Likewise.

2017-02-01  Richard Biener  <rguenther@suse.de>

	* graphite.c: Include tree-vectorizer.h for find_loop_location.
	(graphite_transform_loops): Provide opt-info for optimized nests.
	* tree-parloop.c (parallelize_loops): Provide opt-info for
	parallelized loops.

2017-02-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/79315
	* tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
	was not set before.

2017-02-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71824
	* graphite-scop-detection.c (scop_detection::build_scop_breadth):
	Verify the loops are valid in the merged SESE region.
	(scop_detection::can_represent_loop_1): Check analyzing the
	evolution of the number of iterations in the region succeeds.

2017-01-31  Ian Lance Taylor  <iant@golang.org>

	* config/i386/i386.c (ix86_expand_split_stack_prologue): Add
	REG_ARGS_SIZE note to 32-bit push insns and call insn.

2017-01-31  David Malcolm  <dmalcolm@redhat.com>

	PR preprocessor/79210
	* input.c (get_substring_ranges_for_loc): Replace line_width
	assertion with error-handling.

2017-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77318
	* graphite-sese-to-poly.c (extract_affine): Fix assert.
	(create_pw_aff_from_tree): Take loop parameter.
	(add_condition_to_pbb): Pass loop of the condition to
	create_pw_aff_from_tree.

2017-01-31  Jakub Jelinek  <jakub@redhat.com>

	* config/s390/s390.c (s390_asan_shadow_offset): New function.
	(TARGET_ASAN_SHADOW_OFFSET): Redefine.

2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78597
	PR target/79038
	* config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
	no longer used.
	(convert_int_to_float128): Likewise.
	* config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
	(convert_int_to_float128): Likewise.
	* config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
	(UNSPEC_IEEE128_CONVERT): Likewise.
	(floatsi<mode>2, FLOAT128 iterator): Bypass calling
	rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
	Use local variables for IBM extended format.
	(fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
	(fix_trunc<mode>si2_fprs): Likewise.
	(fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
	(floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
	(fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
	to know that we can now have integers of all sizes in vector
	registers.
	(fix<uns>_<mode>di2_hw): Likewise.
	(float<uns>_<mode>si2_hw): Likewise.
	(fix_<mode>si2_hw): Likewise.
	(fixuns_<mode>si2_hw): Likewise.
	(float<uns>_<mode>di2_hw): Likewise.
	(float_<mode>di2_hw): Likewise.
	(float_<mode>si2_hw): Likewise.
	(floatuns_<mode>di2_hw): Likewise.
	(floatuns_<mode>si2_hw): Likewise.
	(xscvqp<su>wz_<mode>): Delete, no longer used.
	(xscvqp<su>dz_<mode>): Likewise.
	(xscv<su>dqp_<mode>): Likewise.
	(ieee128_mfvsrd_64bit): Likewise.
	(ieee128_mfvsrd_32bit): Likewise.
	(ieee128_mfvsrwz): Likewise.
	(ieee128_mtvsrw): Likewise.
	(ieee128_mtvsrd_64bit): Likewise.
	(ieee128_mtvsrd_32bit): Likewise.

2017-01-31  Martin Liska  <mliska@suse.cz>

	PR ipa/79285
	* ipa-prop.c (ipa_free_all_node_params): Call release method
	instead of ~sumbol_summary to not to trigger double times
	dtor of hash_map.

2017-01-31  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/71691
	* bitmap.h (class auto_bitmap): New.
	* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
	is_maybe_undefined instead of ssa_undefined_value_p.

2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
	__S390_ARCH_LEVEL__ to __ARCH__.

2017-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/79267
	* value-prof.c (gimple_ic): Only drop lhs for noreturn calls
	if should_remove_lhs_p is true.

2017-01-30  Alexandre Oliva <aoliva@redhat.com>

	PR debug/63238
	* dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
	(add_alignment_attribute): New.
	(base_type_die): Add alignment attribute.
	(subrange_type_die): Likewise.
	(modified_type_die): Likewise.
	(gen_array_type_die): Likewise.
	(gen_descr_array_type_die: Likewise.
	(gen_enumeration_type_die): Likewise.
	(gen_subprogram_die): Likewise.
	(gen_variable_die): Likewise.
	(gen_field_die): Likewise.
	(gen_ptr_to_mbr_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(gen_subroutine_type_die): Likewise.
	(gen_typedef_die): Likewise.
	(base_type_cmp): Compare alignment attribute.

2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

	PR target/79170
	* config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
	(setb_unsigned) New pattern for setb with CCUNS.
	* config/rs6000/rs6000.c (expand_block_compare): Use a different
	subfc./subfe sequence to avoid overflow problems.  Generate a
	shorter sequence with cmpld/setb for power9.
	* config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
	for generating subfc. instruction.
	(cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
	now uses this instruction.

2017-01-30  Ian Lance Taylor  <iant@google.com>

	PR debug/79289
	* dwarf2out.c (gen_type_die_with_usage): When picking a variant
	for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.

2017-01-30  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
	Move constant to the right of a relational operator.
	(get_mpfr_format_length, format_character, format_string): Ditto.
	(should_warn_p, maybe_warn): Same.

	* doc/invoke.texi (-Wformat-truncation=1): Fix typo.

2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR lto/79061
	* asan.c (get_translation_unit_decl): Remove function.
	(asan_add_global): Force has_dynamic_init to zero in LTO mode.

2017-01-30  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/79259
	* opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
	-fprofile-generate.

2017-01-30  Martin Liska  <mliska@suse.cz>

	PR bootstrap/78985
	* config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
	Initialize variables with NULL value.

2017-01-30  Richard Earnshaw  <rearnsh@arm.com>

	PR target/79260
	* config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
	tm_p_file.
	* arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.

2017-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79276
	* tree-vrp.c (process_assert_insertions): Properly adjust common
	when removing a duplicate.

2017-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79256
	* targhooks.c (default_builtin_vector_alignment_reachable): Honor
	BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
	alignment on TYPE.
	* tree.c (build_aligned_type): Set TYPE_USER_ALIGN.

2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	PR target/79240
	* config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
	("*r<noxa>sbg_<mode>_sll_bitmask")
	("*extzv_<mode>_srl<clobbercc_or_nocc>")
	("*extzv_<mode>_sll<clobbercc_or_nocc>"):
	Use contiguous_bitmask_nowrap_operand.

2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79268
	* config/rs6000/altivec.h (vec_xl): Revise #define.
	(vec_xst): Likewise.

2017-01-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.

2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/79194
	* cprop.c (one_cprop_pass): Move deletion of code after unconditional
	traps before call to bypass_conditional_jumps.

2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR tree-optimization/71374
	* lra-constraints.c (check_conflict_input_operands): New.
	(match_reload): Use it.

2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/79131
	* lra-assigns.c (find_hard_regno_for_1): Take endianess for into
	account to calculate conflict_set.

2017-01-27  Bin Cheng  <bin.cheng@arm.com>

	PR rtl-optimization/78559
	* combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
	other_insn in combine.

2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>

	* builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
	uint16_type_node for BT_UINT16.

2017-01-27  David Malcolm  <dmalcolm@redhat.com>

	* doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
	"RTL Tests" to menu.
	(GIMPLE Tests): New node.
	(RTL Tests): New node.

2017-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79245
	* tree-loop-distribution.c (distribute_loop): Apply cost
	modeling also to detected patterns.

2017-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71433
	* tree-vrp.c (register_new_assert_for): Revert earlier changes.
	(compare_assert_loc): New function.
	(process_assert_insertions): Sort and optimize assert locations
	to remove duplicates and push down identical assertions on
	edges to their destination block.

2017-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79244
	* tree-vrp.c (remove_range_assertions): Forcefully propagate
	out SSA names even if abnormal.

2017-01-27  Jakub Jelinek  <jakub@redhat.com>

	* realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
	* gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
	instead of MPFR_RNDN.

2017-01-27  Richard Earnshaw  <rearnsha@arm.com>

	PR target/79239
	* arm.c (arm_option_override): Don't call build_target_option_node
	until after doing all option overrides.
	(arm_valid_target_attribute_tree): Likewise.

2017-01-27  Martin Liska  <mliska@suse.cz>

	* doc/invoke.texi (-fprofile-arcs): Document profiling support
	for {cd}tors and C++ {cd}tors.

2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* config/s390/s390.md ("*setmem_long_and")
	("*setmem_long_and_31z"): Use zero_extend instead of and.

2017-01-26  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-sprintf.c (format_floating): Simplify the computation
	of precision.

2017-01-26  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
	HAVE_DFmode before using XFmode or DFmode.
	(parse_directive): Avoid using the z length modifier to avoid
	the ISO C++98 does not support the ‘z’ gnu_printf length modifier.

	PR middle-end/78703
	* gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
	to accept adjustment as an array.
	(get_int_range): New function.
	(struct directive): Make width and prec arrays.
	(directive::set_width, directive::set_precision): Call get_int_range.
	(format_integer, format_floating): Handle width and precision ranges.
	(format_string, parse_directive): Same.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR debug/79129
	* dwarf2out.c (generate_skeleton_bottom_up): For children with
	comdat_type_p set, just clone them, but keep the children in the
	original DIE.

	PR debug/78835
	* dwarf2out.c (prune_unused_types): Mark all functions with DIEs
	which have direct callers with -fvar-tracking-assignments enabled
	in the current TU.
	(resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
	inside of type units.

2017-01-26  Martin Sebor  <msebor@redhat.com>

	PR middle-end/78703
	* gimple-ssa-sprintf.c (struct result_range): Add likely and
	unlikely counters.
	(struct format_result): Replace number_chars, number_chars_min,
	and number_chars_max with a single member of struct result_range.
	Remove bounded.
	(format_result::operator+=): Adjust.
	(struct fmtresult): Remove bounded.  Handle likely and unlikely
	counters.
	(fmtresult::adjust_for_width_or_precision): New function.
	(fmtresult:type_max_digits): New function.
	(bytes_remaining): Handle likely and unlikely counters.
	(min_bytes_remaining): Remove.
	(format_percent): Simplify.
	(format_integer, format_floating): Set likely and unlikely counters.
	(get_string_length, format_character, format_string): Same.
	(format_plain, should_warn_p): New function.
	(maybe_warn): Call should_warn_p.  Update diagnostic messages
	and handle those for all directives, including plain strings.
	(format_directive): Handle likely and unlikely counters.
	Remove unnecessary quoting from diagnostics.  Add an informational
	note.
	(add_bytes): Remove.
	(pass_sprintf_length::compute_format_length): Simplify.
	(try_substitute_return_value): Handle likely and unlikely counters.

2017-01-26  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
	bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins

2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/79131
	* lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
	endianess for subregs into account.
	* lra-constraints.c (lra_constraints): Do risky transformations
	always on the first iteration.
	* lra-lives.c (check_pseudos_live_through_calls): Add arg
	last_call_used_reg_set.
	(process_bb_lives): Define and use last_call_used_reg_set.
	* lra.c (lra): Always continue after lra_constraints on the first
	iteration.

2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>

	* gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
	constant.
	* gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/avx512fintrin.h (_ktest_mask16_u8,
	_ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
	* config/i386/avx512dqintrin.h (_ktest_mask16_u8,
	_ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
	* config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
	__builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
	OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
	* config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
	(kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.

2017-01-26  Marek Polacek  <polacek@redhat.com>

	PR c/79199
	* fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
	for the third operand.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/79236
	* omp-low.c (struct omp_context): Add simt_stmt field.
	(scan_omp_for): Return omp_context *.
	(scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
	context to the _simt_ SIMD stmt.
	(lower_omp_for): For combined SIMD with sibling _simt_
	SIMD, make sure to use the same decls in _looptemp_
	clauses as in the sibling.

2017-01-26  David Sherwood  <david.sherwood@arm.com>

	PR middle-end/79212
	* gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
	all contexts.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR target/70465
	* reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
	emit fld b; fld a; if possible.

	* brig-builtins.def: Update copyright years.
	* config/arm/arm_acle_builtins.def: Update copyright years.

2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79179
	* config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
	constraint instead of o for the stxsd instruction.

2017-01-25  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
	of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.

2017-01-25  Jonathan Wakely  <jwakely@redhat.com>

	* doc/invoke.texi (C++ Dialect Options): Fix typo.

2017-01-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69264
	* target.def (vector_alignment_reachable): Improve documentation.
	* doc/tm.texi: Regenerate.
	* targhooks.c (default_builtin_vector_alignment_reachable): Simplify
	and add a comment.
	* tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
	earlier changes with respect to TYPE_USER_ALIGN.
	(vector_alignment_reachable_p): Likewise.  Improve dumping.

2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/79145
	* config/arm/arm.md (xordi3): Force constant operand into a register
	for TARGET_IWMMXT.

2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* doc/invoke.texi (-fstore-merging): Correct default optimization
	levels at which it is enabled.
	(-O): Move -fstore-merging from list to...
	(-O2): ... Here.

2017-01-25  Richard Biener  <rguenther@suse.de>

	PR debug/78363
	* omp-expand.c: Include debug.h.
	(expand_omp_taskreg): Make sure to generate early debug before
	outlining anything from a function.
	(expand_omp_target): Likewise.
	(grid_expand_target_grid_body): Likewise.

2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR lto/79061
	* asan.c (get_translation_unit_decl): New function.
	(asan_add_global): Extract modules file name from globals
	TRANSLATION_UNIT_DECL name.

2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/77439
	* config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
	for long calls with APCS frame and VFP.

2017-01-24  David Malcolm  <dmalcolm@redhat.com>

	* cfg.c (original_copy_tables_initialized_p): New function.
	* cfg.h (original_copy_tables_initialized_p): New decl.
	* cfgrtl.c (relink_block_chain): Guard the call to
	free_original_copy_tables with a call to
	original_copy_tables_initialized_p.
	* cgraph.h (symtab_node::native_rtl_p): New decl.
	* cgraphunit.c (symtab_node::native_rtl_p): New function.
	(symtab_node::needed_p): Don't assert for early assembly output
	for __RTL functions.
	(cgraph_node::finalize_function): Set "force_output" for __RTL
	functions.
	(cgraph_node::analyze): Bail out early for __RTL functions.
	(analyze_functions): Update assertion to support __RTL functions.
	(cgraph_node::expand): Bail out early for __RTL functions.
	* final.c (rest_of_clean_state): Don't call delete_tree_ssa for
	__RTL functions.
	* function.h (struct function): Update comment for field
	"pass_startwith".
	* gimple-expr.c: Include "tree-pass.h".
	(gimple_has_body_p): Return false for __RTL functions.
	* Makefile.in (OBJS): Add run-rtl-passes.o.
	* pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
	accessor.
	(gcc::pass_manager::get_clean_slate): New accessor.
	* passes.c: Include "insn-addr.h".
	(should_skip_pass_p): Add logging.  Update logic for running
	"expand" to be compatible with both __GIMPLE and __RTL.  Guard
	property-provider override so it is only done for gimple passes.
	Don't skip dfinit.
	(skip_pass): New function.
	(execute_one_pass): Call skip_pass when skipping passes.
	* read-md.c (md_reader::read_char): Support filtering
	the input to a subset of line numbers.
	(md_reader::md_reader): Initialize fields
	m_first_line and m_last_line.
	(md_reader::read_file_fragment): New function.
	* read-md.h (md_reader::read_file_fragment): New decl.
	(md_reader::m_first_line): New field.
	(md_reader::m_last_line): New field.
	* read-rtl-function.c (function_reader::create_function): Only
	create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
	curr_properties.  Set DECL_INITIAL to a dummy block.
	(read_rtl_function_body_from_file_range): New function.
	* read-rtl-function.h (read_rtl_function_body_from_file_range):
	New decl.
	* run-rtl-passes.c: New file.
	* run-rtl-passes.h: New file.

2017-01-24 Jeff Law  <law@redhat.com>

	* config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
	buffer size.

2017-01-24  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/79159
	* tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
	(record_nonwrapping_iv): Improve boundary using above function if no
	value range information.

2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
	    Martin Jambor  <mjambor@suse.cz>

	* brig-builtins.def: New file.
	* builtins.def (DEF_HSAIL_BUILTIN): New macro.
	(DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
	(DEF_HSAIL_SAT_BUILTIN): Likewise.
	(DEF_HSAIL_INTR_BUILTIN): Likewise.
	(DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
	* builtin-types.def (BT_INT8): New.
	(BT_INT16): Likewise.
	(BT_UINT8): Likewise.
	(BT_UINT16): Likewise.
	(BT_FN_ULONG): Likewise.
	(BT_FN_UINT_INT): Likewise.
	(BT_FN_UINT_ULONG): Likewise.
	(BT_FN_UINT_LONG): Likewise.
	(BT_FN_UINT_PTR): Likewise.
	(BT_FN_ULONG_PTR): Likewise.
	(BT_FN_INT8_FLOAT): Likewise.
	(BT_FN_INT16_FLOAT): Likewise.
	(BT_FN_UINT32_FLOAT): Likewise.
	(BT_FN_UINT16_FLOAT): Likewise.
	(BT_FN_UINT8_FLOAT): Likewise.
	(BT_FN_UINT64_FLOAT): Likewise.
	(BT_FN_UINT16_UINT32): Likewise.
	(BT_FN_UINT32_UINT16): Likewise.
	(BT_FN_UINT16_UINT16_UINT16): Likewise.
	(BT_FN_INT_PTR_INT): Likewise.
	(BT_FN_UINT_PTR_UINT): Likewise.
	(BT_FN_LONG_PTR_LONG): Likewise.
	(BT_FN_ULONG_PTR_ULONG): Likewise.
	(BT_FN_VOID_UINT64_UINT64): Likewise.
	(BT_FN_UINT8_UINT8_UINT8): Likewise.
	(BT_FN_INT8_INT8_INT8): Likewise.
	(BT_FN_INT16_INT16_INT16): Likewise.
	(BT_FN_INT_INT_INT): Likewise.
	(BT_FN_UINT_FLOAT_UINT): Likewise.
	(BT_FN_FLOAT_UINT_UINT): Likewise.
	(BT_FN_ULONG_UINT_UINT): Likewise.
	(BT_FN_ULONG_UINT_PTR): Likewise.
	(BT_FN_ULONG_ULONG_ULONG): Likewise.
	(BT_FN_UINT_UINT_UINT): Likewise.
	(BT_FN_VOID_UINT_PTR): Likewise.
	(BT_FN_UINT_UINT_PTR: Likewise.
	(BT_FN_UINT32_UINT64_PTR): Likewise.
	(BT_FN_INT_INT_UINT_UINT): Likewise.
	(BT_FN_UINT_UINT_UINT_UINT): Likewise.
	(BT_FN_UINT_UINT_UINT_PTR): Likewise.
	(BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
	(BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
	(BT_FN_LONG_LONG_UINT_UINT): Likewise.
	(BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
	(BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
	(BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
	(BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
	(BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
	(BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
	* doc/frontends.texi: List BRIG FE.
	* doc/install.texi (Testing): Add BRIG tesring requirements.
	* doc/invoke.texi (Overall Options): Mention BRIG.
	* doc/standards.texi (Standards): Doucment BRIG HSA version.

2017-01-24  Richard Biener  <rguenther@suse.de>

	PR translation/79208
	* ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.

2017-01-24  Martin Jambor  <mjambor@suse.cz>

	PR bootstrap/79198
	* ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
	* ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
	and known_contexts.

2017-01-24  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/79123
	* gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
	casts from signed to unsigned really don't have a range.

2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>

	* gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
	GMP_RNDx for compatiblity.

2017-01-24  Martin Liska  <mliska@suse.cz>

	PR bootstrap/79132
	* tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
	that would prevent us to call alloca with -1 as argument.

2017-01-24  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_compilation_unit_header, output_file_names):
	Avoid -Wformat-security warning.

2017-01-23  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
	cost table.

2017-01-23  Martin Sebor  <msebor@redhat.com>

	PR middle-end/78703
	* gimple-ssa-sprintf.c (warn_level): New global.
	(format_integer): Use it here and throughout the rest of the file.
	Use the same switch to compute sign as base.
	(maybe_warn): New function.
	(format_directive): Factor out warnings into maybe_warn.
	Add debugging output.  Use warn_level.
	(add_bytes): Use warn_level.
	(pass_sprintf_length::compute_format_length): Add debugging output.
	(try_substitute_return_value): Same.
	(pass_sprintf_length::handle_gimple_call): Set and use warn_level.

	PR middle-end/78703
	* gimple-ssa-sprintf.c (struct format_result): Remove constant member.
	(struct fmtresult, format_integer, format_floating): Adjust.
	(fmtresult::fmtresult): Set max correctly in two argument ctor.
	(get_string_length, format_string,format_directive): Same.
	(pass_sprintf_length::compute_format_length): Same.
	(try_substitute_return_value): Simplify slightly.

	PR middle-end/78703
	* gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
	(fmtresult::operator+=): Outlined.
	(struct fmtresult): Add ctors.
	(struct conversion_spec): Rename...
	(struct directive): ...to this.  Add and remove data members.
	(directive::set_width, directive::set_precision): New functions.
	(format_percent): Use fmtresult ctor.
	(get_width_and_precision): Remove.
	(format_integer): Make naming changes.  Avoid computing width and
	precision.
	(format_floating): Same.  Adjust indentation.
	(format_character, format_none): New functions.
	(format_string): Moved character handling to format_character.
	(format_directive): Remove arguments, change return type.
	(parse_directive): New function.
	(pass_sprintf_length::compute_format_length): Move directive
	parsing to parse_directive.

2017-01-23  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (assign_assembler_name_if_neeeded): Rename to ...
	(assign_assembler_name_if_needed): ... this.
	* tree.c (assign_assembler_name_if_neeeded): Rename to ...
	(assign_assembler_name_if_needed): ... this.
	(free_lang_data_in_cgraph): Adjust callers.
	* cgraphunit.c (cgraph_node::analyze): Likewise.
	* omp-expand.c (expand_omp_taskreg, expand_omp_target):
	Likewise.

2017-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79088
	PR tree-optimization/79188
	* tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
	resetting loop bounds after last path deletion.  Reset loop
	bounds of the target loop, make code match the comments.
	* tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
	Make sure loops need no fixups.

2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
	exponent support with double type for first argument.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
	type returned by __builtin_vec_extract_sig,
	__builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
	functions from "vector int" to "vector unsigned int" or from
	"vector long long int" to "vector unsigned long long int".
	Changed type returned by __builtin_vec_extract_exp,
	__builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
	functions from "vector int" to "vector unsigned int" or from
	"vector long long int" to "vector unsigned long long int".
	Changed return type of __builtin_vec_test_data_class,
	__builtin_vec_test_data_class_sp, and
	__builtin_vec_test_data_class_dp from "vector int" to
	"vector bool int" or from "vector long long int" to "vector bool
	long long int" and changed second argument type from "unsigned
	int" to "int".  Added new overloaded function forms "vector float
	__builtin_vec_insert_exp (vector float, vector unsigned int)" and
	"vector float __builtin_vec_insert_exp_sp (vector float, vector
	unsigned int)" and "vector double __builtin_vec_insert_exp (vector
	double, vector unsigned long long int)" and "vector double
	__builtin_vec_insert_exp_dp (vector double, vector unsigned long
	long int)".  Changed return type of
	__builtin_scalar_test_data_class and
	__builtin_scalar_test_data_class_sp and
	__builtin_scalar_test_data_class_dp from "unsigned int" to "bool
	int" and changed second argument from "unsigned int" to "int".
	Changed type returned by __builtin_scalar_test_neg,
	__builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
	from "int" to "bool int".  Added new overloaded function form
	"double __builtin_scalar_insert_exp (double, unsigned long long int)".
	* config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
	exponent double-precision with floating point first argument.
	* doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
	documentation of scalar_test_data_class, scalar_test_neg,
	scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
	vector_extract_exp, vec_extract_sig, vec_insert_exp, and
	vec_test_data_class built-in functions to reflect refinements in
	their type signatures.

2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>

	* config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
	size of buf.
	(aarch64_elf_asm_destructor): Likewise.

2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/78634
	* config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
	(TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
	* ifcvt.c (noce_try_cmove): Add missing cost check.

	PR rtl-optimization/71724
	* combine.c (if_then_else_cond): Look for situations where it is
	beneficial to undo the work of one of the recursive calls.

2017-01-23  Bin Cheng  <bin.cheng@arm.com>

	PR tree-optimization/70754
	* tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
	(reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
	combined stmt before it if not NULL.
	(combine_chains): Process refs reversely and compute dominance point
	for root ref.

2017-01-23  Martin Liska  <mliska@suse.cz>

	PR tree-optimization/79196
	* tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
	(fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
	instead of memcmp.
	(strlen_optimize_stmt): Call the renamed function.

2017-01-23  Michael Matz  <matz@suse.de>

	PR tree-optimization/78384
	* tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.

2017-01-23  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79186
	* tree-vrp.c (register_new_assert_for): Make sure we've seen
	both incoming edges before moving an assert.

2017-01-23  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (load_from_param_1): Removed.
	(load_from_unmodified_param): Bits from load_from_param_1 put back
	here.
	(load_from_param): Removed.
	(compute_complex_assign_jump_func): Removed stmt2 and just replaced it
	with stmt.  Reverted back to use of load_from_unmodified_param.

2017-01-23  Martin Jambor  <mjambor@suse.cz>

	PR ipa/79108
	* ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
	(ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
	field a pointer to garbage collected vector, mark lattices and
	ipcp_orig_node with GTY((skip)).
	(ipa_get_param_count): Adjust to descriptors being a pointer.
	(ipa_get_param): Likewise.
	(ipa_get_type): Likewise.
	(ipa_get_param_move_cost): Likewise.
	(ipa_set_param_used): Likewise.
	(ipa_get_controlled_uses): Likewise.
	(ipa_set_controlled_uses): Likewise.
	(ipa_is_param_used): Likewise.
	(ipa_node_params_t): Move into garbage collector.  New methods insert
	and remove.
	(ipa_node_params_sum): Annotate wth GTY(()).
	(ipa_check_create_node_params): Adjust to ipa_node_params_sum being
	garbage collected.
	(ipa_load_from_parm_agg): Adjust declaration.
	* ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
	* ipa-profile.c (ipa_profile): Likewise.
	* ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
	(ipa_populate_param_decls): Make descriptors parameter garbage
	collected.
	(ipa_dump_param): Adjust to descriptors being a pointer.
	(ipa_alloc_node_params): Likewise.
	(ipa_initialize_node_params): Likewise.
	(load_from_param_1): Make descriptors parameter garbage collected.
	(load_from_unmodified_param): Likewise.
	(load_from_param): Likewise.
	(ipa_load_from_parm_agg): Likewise.
	(ipa_node_params::~ipa_node_params): Removed.
	(ipa_free_all_node_params): Remove call to delete operator.
	(ipa_node_params_t::insert): New.
	(ipa_node_params_t::remove): Likewise.
	(ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
	copy known_csts and known_contexts vectors.
	(ipa_read_node_info): Adjust to descriptors being a pointer.
	(ipcp_modif_dom_walker): Make m_descriptors field garbage
	collected.
	(ipcp_transform_function): Make descriptors variable garbage
	collected.

2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>

	* config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
	* config/i386/avx512dqintrin.h: Ditto.
	* config/i386/avx512fintrin.h: Ditto.
	* gcc/config/i386/i386.c: Handle new builtins.
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/sse.md (ktest<mode>, kortest<mode>): New.
	(UNSPEC_KORTEST, UNSPEC_KTEST): New.

2017-01-23  Jakub Jelinek  <jakub@redhat.com>
	    Martin Liska  <mliska@suse.cz>

	* asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
	* asan.c (asan_expand_poison_ifn): Support stores and use
	appropriate ASAN report function.
	* internal-fn.c (expand_ASAN_POISON_USE): New function.
	* internal-fn.def (ASAN_POISON_USE): Declare.
	* tree-into-ssa.c (maybe_add_asan_poison_write): New function.
	(maybe_register_def): Create ASAN_POISON_USE when sanitizing.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
	ASAN_POISON calls w/o LHS.
	* tree-ssa.c (execute_update_addresses_taken): Create clobber
	for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
	from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
	* gimplify.c (asan_poison_variables): Add attribute
	use_after_scope_memory to variables that really needs to live
	in memory.
	* tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
	having the attribute.

2017-01-23  Martin Liska  <mliska@suse.cz>

	* asan.c (create_asan_shadow_var): New function.
	(asan_expand_poison_ifn): Likewise.
	* asan.h (asan_expand_poison_ifn): New declaration.
	* internal-fn.c (expand_ASAN_POISON): Likewise.
	* internal-fn.def (ASAN_POISON): New builtin.
	* sanopt.c (pass_sanopt::execute): Expand
	asan_expand_poison_ifn.
	* tree-inline.c (copy_decl_for_dup_finish): Make function
	external.
	* tree-inline.h (copy_decl_for_dup_finish): Likewise.
	* tree-ssa.c (is_asan_mark_p): New function.
	(execute_update_addresses_taken): Rewrite local variables
	(identified just by use-after-scope as addressable) into SSA.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): opensource.apple.com uses https
	now. Remove trailing slash.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

	* README.Portability: Remove note on an Irix compatibility issue.

2017-01-22  Dimitry Andric <dim@FreeBSD.org>

	* gcov.c (INCLUDE_ALGORITHM): Define.
	(INCLUDE_VECTOR): Define.
	No longer include <vector> and <algorithm> directly.

2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Thread-Local): Change www.akkadia.org reference
	to https.
	* doc/invoke.texi (Code Gen Options): Ditto.

2017-01-21  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/78407
	* cfg.c (update_bb_profile_for_threading): Fix updating of probablity.

2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>

	rtl-optimization/79125
	* cprop.c (local_cprop_pass): Handle cases where we make an
	unconditional trap.

2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/61729
	PR target/77850
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
	read from, for big endian.

2017-01-20  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
	register pauth builtins for LP64 only.

2017-01-20  Marek Polacek  <polacek@redhat.com>

	PR c/79152
	* gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
	non-case labels.

2017-01-20  Alexander Monakov  <amonakov@ispras.ru>

	* omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
	of safelen status.
	* omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
	* passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
	* tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.

2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/71270
	* config/arm/arm.c (neon_valid_immediate): Reject vector constants
	in big-endian mode when they are not a single duplicated value.

2017-01-20  Richard Biener  <rguenther@suse.de>

	* BASE-VER: Bump to 7.0.1.

2017-01-20  Alexander Monakov  <amonakov@ispras.ru>

	* omp-low.c (omplow_simd_context): New struct.  Use it...
	(lower_rec_simd_input_clauses): ...here and...
	(lower_rec_input_clauses): ...here to hold common data.  Adjust all
	references to idx, lane, max_vf, is_simt.

2017-01-20  Graham Markall  <graham.markall@embecosm.com>

	* config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
	mcpu=nps400.

2017-01-20  Martin Jambor  <mjambor@suse.cz>

	* hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
	* hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
	gt-hsa-common.h.
	* Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
	(GTFILES): Rename hsa.c to hsa-common.c.
	* hsa-brig.c: Change include of hsa.h to hsa-common.h.
	* hsa-dump.c: Likewise.
	* hsa-gen.c: Likewise.
	* hsa-regalloc.c: Likewise.
	* ipa-hsa.c: Likewise.
	* omp-expand.c: Likewise.
	* omp-low.c: Likewise.
	* toplev.c: Likewise.

2017-01-20  Marek Polacek  <polacek@redhat.com>

	PR c/64279
	* doc/invoke.texi: Document -Wduplicated-branches.
	* fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
	COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
	POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
	STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
	return 0 only when not OEP_LEXICOGRAPHIC.
	(fold_build_cleanup_point_expr): Use the expression
	location when building CLEANUP_POINT_EXPR.
	* tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
	* tree.c (add_expr): Handle error_mark_node.

2017-01-20  Martin Liska  <mliska@suse.cz>

	PR lto/69188
	* tree-profile.c (init_ic_make_global_vars): Do not call
	finalize_decl.
	(gimple_init_gcov_profiler): Likewise.

2017-01-20  Martin Liska  <mliska@suse.cz>

	PR ipa/71190
	* cgraph.h (maybe_create_reference): Remove argument and
	update comment.
	* cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
	argument.
	* ipa-cp.c (create_specialized_node): Likewise.
	* symtab.c (symtab_node::maybe_create_reference): Handle
	VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.

2017-01-20  Martin Liska  <mliska@suse.cz>

	* read-rtl-function.c (function_reader::create_function): Use
	build_decl instread of build_decl_stat.

2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>

	* config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
	* config/i386/avx512dqintrin.h: Ditto.
	* config/i386/avx512fintrin.h: Ditto.
	* config/i386/i386-builtin-types.def: Add new types.
	* gcc/config/i386/i386.c: Handle new types.
	* config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
	(__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
	(__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
	(__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
	(__builtin_ia32_kshiftridi): New.
	* config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.

2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/78875
	PR target/79140
	* config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
	define to rs6000_init_stack_protect_guard.
	(rs6000_init_stack_protect_guard): New function.

2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
	    Yunqiang Su  <yunqiang.su@imgtec.com>

	* config.gcc (supported_defaults): Add madd4.
	(with_madd4): Add validation.
	(all_defaults): Add madd4.
	* config/mips/mips.opt (mmadd4): New option.
	* gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
	mmadd4.
	(TARGET_CPU_CPP_BUILTINS): Add builtin_define for
	__mips_no_madd4.
	(ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
	(ISA_HAS_FUSED_MADD4): Likewise.
	* gcc/doc/invoke.texi (-mmadd4): Document the new option.
	* gcc/doc/install.texi (--with-madd4): Document the new option.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
	entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
	AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
	(aarch64_init_pauth_hint_builtins): New.
	(aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
	(aarch64_expand_builtin): Expand new builtins.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

	* reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
	* combine-stack-adj.c (no_unhandled_cfa): Handle
	REG_CFA_TOGGLE_RA_MANGLE.
	* dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
	* config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
	info for return address signing.
	(aarch64_expand_epilogue): Likewise.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
	* config/aarch64/aarch64-protos.h
	(aarch64_return_address_signing_enabled): New declaration.
	* config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
	New function.
	(aarch64_expand_prologue): Sign return address before it's pushed onto
	stack.
	(aarch64_expand_epilogue): Authenticate return address fetched from
	stack.
	(aarch64_override_options): Sanity check for ILP32 and ISA level.
	(aarch64_attributes): New function attributes for "sign-return-address".
	* config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
	UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
	("*do_return"): Generate combined instructions according to key index.
	("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
	* config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
	iterators.
	(pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
	* config/aarch64/aarch64.opt (msign-return-address=): New.
	* doc/extend.texi (AArch64 Function Attributes): Documents
	"sign-return-address=".
	* doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".

2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>

	* doc/invoke.texi: Add missing -mlxc1-sxc1 options to
	overall option summary.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
	* config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
	AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
	* doc/invoke.texi (AArch64 Options): Document "armv8.3-a".

2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
	-mpower9-minmax by default for -mcpu=power9.
	(ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
	128-bit floating point.

2017-01-20  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
	optimizing for size.

2017-01-20  Alan Modra  <amodra@gmail.com>

	PR target/79144
	* config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
	for strcmp and strncmp from corresponding builtin decl.

2017-01-19  Uros Bizjak  <ubizjak@gmail.com>

	* config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
	instead of i386/rtems-64.h.
	* config/i386/rtems-64.h: Remove.

2017-01-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/78478
	Revert:
	2013-11-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.

2017-01-19  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
	Change int to HOST_WIDE_INT.
	* config/aarch64/aarch64-protos.h
	(aarch64_simd_gen_const_vector_dup): Likewise.
	* config/aarch64/aarch64-simd.md: Add copysign<mode>3.

2017-01-19  David Malcolm  <dmalcolm@redhat.com>

	* langhooks-def.h (lhd_type_for_size): New decl.
	(LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
	* langhooks.c (lhd_type_for_size): New function, taken from
	lto_type_for_size.

2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>

	* config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
	define_bypass for CR latency.
	(power9-cracked-alu): Update bypass latency and remove power9-branch.
	(power9-alu2): Add define_bypass for CR latency.
	(power9-cmp): New.
	(power9-mul): Update insn latency.
	(power9-mul-compare): Update insn latency, bypass latency and remove
	power9-branch.

2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
	Delete.
	* config/aarch64/aarch64.md
	(aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
	aarch64_nopcrelative_literal_loads.
	(aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.

2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>

	* config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
	TARGET_LOONGSON_3A.
	(ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.

2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>

	PR target/78176
	* config.gcc (supported_defaults): Add lxc1-sxc1.
	(with_lxc1_sxc1): Add validation.
	(all_defaults): Add lxc1-sxc1.
	* config/mips/mips.opt (mlxc1-sxc1): New option.
	* gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
	mlxc1-sxc1.
	(TARGET_CPU_CPP_BUILTINS): Add builtin_define for
	__mips_no_lxc1_sxc1.
	(ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
	* gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
	* doc/install.texi (--with-lxc1-sxc1): Document the new option.

2017-01-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/72488
	* tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
	sure to restore SSA info.
	* tree-ssa.c (verify_ssa): Verify SSA info is not shared.

2017-01-19  Richard Earnshaw  <rearnsha@arm.com>

	PR rtl-optimization/79121
	* expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
	of the inner type when shifting an extended value.

2017-01-17  Jan Hubicka  <hubicka@ucw.cz>

	PR lto/78407
	* symtab.c (symtab_node::equal_address_to): Fix comparing of
	interposable aliases.

2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/78516
	* config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
	Use the evmergelohi instruction.
	(mov_si<mode>_e500_subreg4_2_le): Likewise.
	(mov_sitf_e500_subreg8_2_be): Likewise.
	(mov_sitf_e500_subreg12_2_le): Likewise.
	(mov_si<mode>_e500_subreg0_2_le): Fix constraints.
	(mov_si<mode>_e500_subreg4_2_be): Likewise.
	(mov_sitf_e500_subreg8_2_le): Likewise.
	(mov_sitf_e500_subreg12_2_be): Likewise.

2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.md (altivec_vbpermq): Change "type"
	attribute from vecsimple to vecperm.
	(altivec_vbpermq2): Likewise.

2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79040
	* config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.

2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
	* config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
	* config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
	strcmp. Fix bug where comparison didn't stop with zero byte. Fix
	case where N arg is SIZE_MAX.
	* config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
	(cmpstrsi): Add pattern.

2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	__builtin_vec_revb builtins.
	* config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
	built-in functions to support generation of the ISA 3.0 XXBR<x>
	vector byte reverse instructions.
	(P9V_BUILTIN_XXBRQ_V1TI): Likewise.
	(P9V_BUILTIN_XXBRD_V2DI): Likewise.
	(P9V_BUILTIN_XXBRD_V2DF): Likewise.
	(P9V_BUILTIN_XXBGW_V4SI): Likewise.
	(P9V_BUILTIN_XXBGW_V4SF): Likewise.
	(P9V_BUILTIN_XXBGH_V8HI): Likewise.
	(P9V_BUILTIN_VEC_REVB): Likewise.
	* config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
	generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
	(p9_xxbrq_v16qi): Likewise.
	(p9_xxbrd_<mode>, VSX_D iterator): Likewise.
	(p9_xxbrw_<mode>, VSX_W iterator): Likewise.
	(p9_xxbrh_v8hi): Likewise.
	* config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
	* doc/extend.texi (RS/6000 Altivec Built-ins): Document the
	vec_revb built-in functions.

2017-01-18  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/78952
	* config/i386/i386.md (any_extract): New code iterator.
	(*insvqi_2): Use any_extract for source operand.
	(*insvqi_3): Use any_shiftrt for source operand.

2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
	New function.
	(TARGET_SCHED_ADJUST_PRIORITY): Define target hook.

2017-01-18  Matthias Klose  <doko@ubuntu.com>

	* doc/install.texi: Allow default for --with-target-bdw-gc-include.

2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_bperm): Change #define.
	* config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
	(altivec_vbpermq2): New define_insn.
	(altivec_vbpermd): Likewise.
	* config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
	function interface.
	(VBPERMD): Likewise.
	(VBPERM): New polymorphic function interface.
	* config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
	Add entries for P9V_BUILTIN_VEC_VBPERM.
	* doc/extend.texi: Add interfaces for vec_bperm.

2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
	first letter of error messages.
	(s390_resolve_overloaded_builtin): Likewise.
	* config/s390/s390.c (s390_expand_builtin): Likewise.
	(s390_invalid_arg_for_unprototyped_fn): Likewise.
	(s390_valid_target_attribute_inner_p): Likewise.
	* config/s390/s390.md ("tabort"): Likewise.

2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>

	* config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
	(ISA_AVOID_DIV_HILO): New macro.
	(ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
	(ISA_HAS_DDIV): Likewise.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

	* doc/invoke.texi (fabi-version): Correct number of occurrences.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

	* doc/invoke.texi (fabi-version): Spelling fix.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR c++/70182
	* doc/invoke.texi (fabi-version): Mention mangling fix for
	operator names.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR c++/77489
	* doc/invoke.texi (fabi-version): Document discriminator mangling.

2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/78875
	* config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
	the new options.
	* config/rs6000/rs6000.md (stack_protect_set): Handle the new more
	flexible settings.
	(stack_protect_test): Ditto.
	* config/rs6000/rs6000.opt (mstack-protector-guard=,
	mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
	options.
	* doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
	Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
	-mstack-protector-guard-offset=.
	(RS/6000 and PowerPC Options): Ditto.

2017-01-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (MASK_CLASS_P): New define.
	* config/i386/i386.c (inline_secondary_memory_needed): Ensure that
	there are no registers from different register sets also when
	mask registers are used.  Update function comment.
	* config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
	to (*k/*r) and (*k/*km) alternatives.

2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
	* config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
	(EH_RETURN_HANDLER_RTX): New define.
	* config/aarch64/aarch64.c (aarch64_frame_pointer_required):
	Force frame pointer in EH return functions.
	(aarch64_expand_epilogue): Add barrier for eh_return.
	(aarch64_final_eh_return_addr): Remove.
	(aarch64_eh_return_handler_rtx): New function.
	* config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
	Remove.
	(aarch64_eh_return_handler_rtx): New prototype.

2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.h (vec_rlmi): New #define.
	(vec_vrlnm): Likewise.
	(vec_rlnm): Likewise.
	* config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
	(UNSPEC_VRLNM): Likewise.
	(VIlong): New mode iterator.
	(altivec_vrl<VI_char>mi): New define_insn.
	(altivec_vrl<VI_char>nm): Likewise.
	* config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
	function entry.
	(VRLDNM): Likewise.
	(RLNM): New polymorphic function entry.
	(VRLWMI): New monomorphic function entry.
	(VRLDMI): Likewise.
	(RLMI): New polymorphic function entry.
	* config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
	new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
	* doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
	vec_vrlnm.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR debug/78839
	* dwarf2out.c (field_byte_offset): Restore the
	PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
	and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
	(analyze_variants_discr, gen_variant_part): Use fold_build2 instead
	of build2 + fold.

2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/67205
	* config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR debug/71669
	* dwarf2out.c (add_data_member_location_attribute): For constant
	offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
	instead of DW_AT_data_member_location, DW_AT_bit_offset and
	DW_AT_byte_size attributes.

2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	* config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
	after forcing to constant memory when the code model is medium.

2017-01-17  Julia Koval  <julia.koval@intel.com>

	PR target/76731
	* config/i386/avx512fintrin.h
	(_mm512_i32gather_ps): Change __addr type to void const*.
	(_mm512_mask_i32gather_ps): Ditto.
	(_mm512_i32gather_pd): Ditto.
	(_mm512_mask_i32gather_pd): Ditto.
	(_mm512_i64gather_ps): Ditto.
	(_mm512_mask_i64gather_ps): Ditto.
	(_mm512_i64gather_pd): Ditto.
	(_mm512_mask_i64gather_pd): Ditto.
	(_mm512_i32gather_epi32): Ditto.
	(_mm512_mask_i32gather_epi32): Ditto.
	(_mm512_i32gather_epi64): Ditto.
	(_mm512_mask_i32gather_epi64): Ditto.
	(_mm512_i64gather_epi32): Ditto.
	(_mm512_mask_i64gather_epi32): Ditto.
	(_mm512_i64gather_epi64): Ditto.
	(_mm512_mask_i64gather_epi64): Ditto.
	(_mm512_i32scatter_ps): Change __addr type to void*.
	(_mm512_mask_i32scatter_ps): Ditto.
	(_mm512_i32scatter_pd): Ditto.
	(_mm512_mask_i32scatter_pd): Ditto.
	(_mm512_i64scatter_ps): Ditto.
	(_mm512_mask_i64scatter_ps): Ditto.
	(_mm512_i64scatter_pd): Ditto.
	(_mm512_mask_i64scatter_pd): Ditto.
	(_mm512_i32scatter_epi32): Ditto.
	(_mm512_mask_i32scatter_epi32): Ditto.
	(_mm512_i32scatter_epi64): Ditto.
	(_mm512_mask_i32scatter_epi64): Ditto.
	(_mm512_i64scatter_epi32): Ditto.
	(_mm512_mask_i64scatter_epi32): Ditto.
	(_mm512_i64scatter_epi64): Ditto.
	(_mm512_mask_i64scatter_epi64): Ditto.
	* config/i386/avx512pfintrin.h
	(_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
	(_mm512_mask_prefetch_i32gather_ps): Ditto.
	(_mm512_mask_prefetch_i64gather_pd): Ditto.
	(_mm512_mask_prefetch_i64gather_ps): Ditto.
	(_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
	(_mm512_prefetch_i32scatter_ps): Ditto.
	(_mm512_mask_prefetch_i32scatter_pd): Ditto.
	(_mm512_mask_prefetch_i32scatter_ps): Ditto.
	(_mm512_prefetch_i64scatter_pd): Ditto.
	(_mm512_prefetch_i64scatter_ps): Ditto.
	(_mm512_mask_prefetch_i64scatter_pd): Ditto.
	(_mm512_mask_prefetch_i64scatter_ps): Ditto.
	* config/i386/avx512vlintrin.h
	(_mm256_mmask_i32gather_ps): Change __addr type to void const*.
	(_mm_mmask_i32gather_ps): Ditto.
	(_mm256_mmask_i32gather_pd): Ditto.
	(_mm_mmask_i32gather_pd): Ditto.
	(_mm256_mmask_i64gather_ps): Ditto.
	(_mm_mmask_i64gather_ps): Ditto.
	(_mm256_mmask_i64gather_pd): Ditto.
	(_mm_mmask_i64gather_pd): Ditto.
	(_mm256_mmask_i32gather_epi32): Ditto.
	(_mm_mmask_i32gather_epi32): Ditto.
	(_mm256_mmask_i32gather_epi64): Ditto.
	(_mm_mmask_i32gather_epi64): Ditto.
	(_mm256_mmask_i64gather_epi32): Ditto.
	(_mm_mmask_i64gather_epi32): Ditto.
	(_mm256_mmask_i64gather_epi64): Ditto.
	(_mm_mmask_i64gather_epi64): Ditto.
	(_mm256_i32scatter_ps): Change __addr type to void*.
	(_mm256_mask_i32scatter_ps): Ditto.
	(_mm_i32scatter_ps): Ditto.
	(_mm_mask_i32scatter_ps): Ditto.
	(_mm256_i32scatter_pd): Ditto.
	(_mm256_mask_i32scatter_pd): Ditto.
	(_mm_i32scatter_pd): Ditto.
	(_mm_mask_i32scatter_pd): Ditto.
	(_mm256_i64scatter_ps): Ditto.
	(_mm256_mask_i64scatter_ps): Ditto.
	(_mm_i64scatter_ps): Ditto.
	(_mm_mask_i64scatter_ps): Ditto.
	(_mm256_i64scatter_pd): Ditto.
	(_mm256_mask_i64scatter_pd): Ditto.
	(_mm_i64scatter_pd): Ditto.
	(_mm_mask_i64scatter_pd): Ditto.
	(_mm256_i32scatter_epi32): Ditto.
	(_mm256_mask_i32scatter_epi32): Ditto.
	(_mm_i32scatter_epi32): Ditto.
	(_mm_mask_i32scatter_epi32): Ditto.
	(_mm256_i32scatter_epi64): Ditto.
	(_mm256_mask_i32scatter_epi64): Ditto.
	(_mm_i32scatter_epi64): Ditto.
	(_mm_mask_i32scatter_epi64): Ditto.
	(_mm256_i64scatter_epi32): Ditto.
	(_mm256_mask_i64scatter_epi32): Ditto.
	(_mm_i64scatter_epi32): Ditto.
	(_mm_mask_i64scatter_epi32): Ditto.
	(_mm256_i64scatter_epi64): Ditto.
	(_mm256_mask_i64scatter_epi64): Ditto.
	(_mm_i64scatter_epi64): Ditto.
	(_mm_mask_i64scatter_epi64): Ditto.
	* config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
	(V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
	(V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
	(V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
	(V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
	(V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
	(V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
	(V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
	(V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
	(V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
	(V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
	(V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
	(V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
	(VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
	(VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
	(VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
	(VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
	(VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
	(VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
	(VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
	(VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
	(VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
	(VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
	(VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
	(VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
	(VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
	(VOID_QI_V8DI_PCINT_INT_INT): Remove.
	(V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
	(V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
	(V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
	(V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
	(VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
	(VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
	(VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
	(VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
	(V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
	(V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
	(V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
	(V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
	(V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
	(V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
	(V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
	(V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
	(VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
	(VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
	(VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
	(VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
	(VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
	(VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
	(VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
	(VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
	(VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
	(VOID_QI_V8DI_PCVOID_INT_INT): Add.
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
	definitions accordingly.

2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
	    Kuan-Lin Chen  <kuanlinchentw@gmail.com>

	PR target/79079
	* internal-fn.c (expand_mul_overflow): Use convert_modes instead of
	gen_lowpart.

2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/79058
	* ira-conflicts.c (ira_build_conflicts): Update total conflict
	hard regs for inner regno.

2017-01-17  Martin Liska  <mliska@suse.cz>

	PR ipa/71207
	* ipa-polymorphic-call.c (contains_type_p): Fix wrong
	assumption and add comment.

2017-01-17  Nathan Sidwell  <nathan@acm.org>

	* ipa-visibility.c (localize_node): New function, broken out of ...
	(function_and_variable_visibility): ... here. Call it.

2017-01-17  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77445
	* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
	correctly set frequency of oudgoing edge.
	(duplicate_thread_path): Fix profile updating.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR other/79046
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	(CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
	(gcc.o): Depend on $(BASEVER).
	* common.opt (dumpfullversion): New option.
	* gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
	* doc/invoke.texi: Document -dumpfullversion.
	* doc/install.texi: Document --with-gcc-major-version-only.
	* configure: Regenerated.

2017-01-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71433
	* tree-vrp.c (register_new_assert_for): Merge same asserts
	on all incoming edges.
	(process_assert_insertions_for): Handle insertions at the
	beginning of BBs.

2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>

	* config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
	* config/i386/mingw32.h (LIBGCJ_SONAME): Remove.

2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/78633
	* config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
	RTL sharing.

2017-01-17  Alan Modra  <amodra@gmail.com>

	PR target/79066
	* config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
	symbolic stack limit when pic.

2017-01-16  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78608
	* gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.

2017-01-16  Jeff Law  <law@redhat.com>

	Revert:
	2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
	* Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
	for several include directories that may be relative to sysroot.
	* config/i386/x-mingw32 (gplus_includedir): Define.
	(gplus_tool_includedir, gplus_backward_include_dir): Likewise.
	(native_system_includedir): Likewise.
	* config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
	override if TARGET_SYSTEM_ROOT is defined.
	(NATIVE_SYSTEM_HEADER_DIR): Likewise.

	PR tree-optimization/79090
	PR tree-optimization/33562
	PR tree-optimization/61912
	PR tree-optimization/77485
	* tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
	and computed trims into the dump file.

2017-01-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.

2017-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR c/79089
	* gimplify.c (gimplify_init_constructor): If want_value and
	object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
	fix.

	PR target/79080
	* loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
	sequence.  Formatting fixes.
	(doloop_optimize): Formatting fixes.

	PR driver/49726
	* gcc.c (debug_level_greater_than_spec_func): New function.
	(static_spec_functions): Add debug-level-gt spec function.
	(ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
	!g0.
	* config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
	* config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
	* common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
	gpubnames, ggnu-pubnames, gno-record-gcc-switches,
	grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
	gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.

2017-01-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
	QImode fixups to general and mask registers only.

2017-01-16  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
	for built-in functions
	vector signed char vec_nabs (vector signed char)
	vector signed short vec_nabs (vector signed short)
	vector signed int vec_nabs (vector signed int)
	vector signed long long vec_nabs (vector signed long long)
	vector float vec_nabs (vector float)
	vector double vec_nabs (vector double)
	* config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
	and NABS overload.
	* config/rs6000/altivec.md: New define_expand nabs<mode>2 types
	* config/rs6000/altivec.h: New define for vec_nabs built-in function.
	* doc/extend.texi: Update the documentation file for the new built-in
	functions.

2017-01-16  Martin Sebor  <msebor@redhat.com>

	* gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
	message.

2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rtx_is_swappable_p): Change
	UNSPEC_VSX__XXSPLTD to require special splat handling.

2017-01-16  David Malcolm  <dmalcolm@redhat.com>

	PR bootstrap/78616
	* system.h: Poison strndup.

2017-01-16  Alan Modra  <amodra@gmail.com>

	PR target/79098
	* config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
	use a switch.

2017-01-16  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.

2017-01-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_legitimate_combined_insn): Do not
	call recog here.  Assert that INSN_CODE (insn) is non-negative.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/72749
	* cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
	fallthrough.
	* haifa-sched.c (dump_insn_stream): Don't crash if there is a label
	in the currently scheduled RTL fragment.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/78751
	* ifcvt.c (find_cond_trap): If we generated a non-existing insn,
	give up.

2017-01-14  Jeff Law  <law@redhat.com>

	PR tree-optimization/79090
	* tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
	variable length stores.
	(compute_trims): Delete dead assignment to *trim_tail.
	(dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
	zero length.

2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>

	PR rtl-optimization/78626
	PR rtl-optimization/78727
	* cprop.c (one_cprop_pass): Collect unconditional traps in the middle
	of a block, and split such blocks after everything else is finished.

2017-01-14  Alan Modra  <amodra@gmail.com>

	PR target/72749
	* combine.c (recog_for_combine_1): Set INSN_CODE before calling
	target legitimate_combined_insn.
	* config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
	(rs6000_legitimate_combined_insn): New function.
	* config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
	all uses.
	(ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
	(ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
	(ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.

2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/frontends.texi (G++ and GCC): Remove references to Java.

2017-01-13  Jeff Law  <law@redhat.com>

	PR tree-optimization/33562
	PR tree-optimization/61912
	PR tree-optimization/77485
	* tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
	a statement.
	(delete_dead_assignment): Likewise.
	(dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
	statement to delete_dead_call and delete_dead_assignment.

2017-01-13  David Malcolm  <dmalcolm@redhat.com>

	PR c/78304
	* substring-locations.c (format_warning_va): Strengthen case 1 so
	that both endpoints of the substring must be within the format
	range for just the substring to be printed.

2017-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
	* config/i386/i386.c (ix86_target_string): Add missing options
	to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
	isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
	flags_other and ix86_target_other to flags2_other.  Display unknown
	isa2 options.
	(ix86_valid_target_attribute_inner_p): Add missing options and
	reorder options by implied ISAs, as in ix86_target_string.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

	* hash-table.h (hash_table::too_empty_p): New function.
	(hash_table::expand): Use it.
	(hash_table::traverse): Likewise.
	(hash_table::empty_slot): Use sizeof (value_type) instead of
	sizeof (PTR) to convert bytes to elements.  Shrink the table
	if the current size is excessive for the current number of
	elements.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

	* ira-costs.c (record_reg_classes): Break from the inner loop
	early once alt_fail is known to be true.  Update outer loop
	handling accordingly.

2017-01-13  Jeff Law  <law@redhat.com>

	* tree-ssa-dse.c (decrement_count): New function.
	(increment_start_addr, maybe_trim_memstar_call): Likewise.
	(dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
	when we know the partially dead statement is a mem* function.

	PR tree-optimization/61912
	PR tree-optimization/77485
	* tree-ssa-dse.c: Include expr.h.
	(maybe_trim_constructor_store): New function.
	(maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.

	PR tree-optimization/33562
	PR tree-optimization/61912
	PR tree-optimization/77485
	* doc/invoke.texi: Document new dse-max-object-size param.
	* params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
	* tree-ssa-dse.c: Include params.h.
	(dse_store_status): New enum.
	(initialize_ao_ref_for_dse): New, partially extracted from
	dse_optimize_stmt.
	(valid_ao_ref_for_dse, normalize_ref): New.
	(setup_live_bytes_from_ref, compute_trims): Likewise.
	(clear_bytes_written_by, maybe_trim_complex_store): Likewise.
	(maybe_trim_partially_dead_store): Likewise.
	(maybe_trim_complex_store): Likewise.
	(dse_classify_store): Renamed from dse_possibly_dead_store_p.
	Track what bytes live from the original store.  Return tri-state
	for dead, partially dead or live.
	(dse_dom_walker): Add constructor, destructor and new private members.
	(delete_dead_call, delete_dead_assignment): New extracted from
	dse_optimize_stmt.
	(dse_optimize_stmt): Make a member of dse_dom_walker.
	Use initialize_ao_ref_for_dse.

	PR tree-optimization/33562
	PR tree-optimization/61912
	PR tree-optimization/77485
	* sbitmap.h (bitmap_count_bits): Prototype.
	(bitmap_clear_range, bitmap_set_range): Likewise.
	* sbitmap.c (bitmap_clear_range): New function.
	(bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.

2017-01-13  Martin Liska  <mliska@suse.cz>

	PR ipa/79043
	* function.c (set_cfun): Add new argument force.
	* function.h (set_cfun): Likewise.
	* ipa-inline-transform.c (inline_call): Use the function when
	strict alising from is dropped for function we inline to.

2017-01-13  Richard Biener  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): Fix inverted condition
	for dumping GIMPLE INTEGER_CSTs.

2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
	to 201112L since C++17.

2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR sanitizer/78887
	* asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
	if -fsanitize=kernel-address is present.

2017-01-13  Richard Biener  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
	as _Literal ( type ) number in case usual suffixes do not
	preserve all information.

2017-01-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77283
	* gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
	and ssa-iterators.h.
	(is_feasible_trace): Implement a cost model based on joiner
	PHI node uses.

2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79004
	* config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
	char or short to __float128/_Float128 directly.

2017-01-12  Martin Sebor  <msebor@redhat.com>

	to -Wformat-overflow.
	* gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
	(min_bytes_remaining): Same.
	(get_string_length): Same.
	(format_string): Same.
	(format_directive): Same.
	(add_bytes): Same.
	(pass_sprintf_length::handle_gimple_call): Same.

2017-01-12  Jakub Jelinek  <jakub@redhat.com>

	* gimple-ssa-sprintf.c (try_substitute_return_value): Remove
	info.nowrite calls with no lhs that can't throw.  Return bool
	whether gsi_remove has been called or not.
	(pass_sprintf_length::handle_gimple_call): Return bool whether
	try_substitute_return_value called gsi_remove.  Formatting fix.
	(pass_sprintf_length::execute): Don't use gsi_remove if
	handle_gimple_call returned true.

	PR bootstrap/79069
	* cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
	be removed due to side-effects, don't remove following barrier nor
	turn the successor edge into fallthru edge.

2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/79044
	* config/rs6000/rs6000.c (insn_is_swappable_p): Mark
	element-reversing loads and stores as not swappable.

2017-01-12  Nathan Sidwell  <nathan@acm.org>
	    Nicolai Stange  <nicstange@gmail.com>

	* combine.c (try_combine): Don't ignore result of overlap checking
	loop.  Combine overlap & asm check into single loop.

2017-01-12  Richard Biener  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): Provide -gimple
	variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.

2017-01-12  Richard Biener  <rguenther@suse.de>

	* tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
	and TS_TARGET_OPTION directly derive from TS_BASE.
	* tree-core.h (tree_optimization_option): Derive from tree_base.
	(tree_target_option): Likewise.

2017-01-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (memory_address_length): Increase len
	only when rip_relative_addr_p returns false.

2017-01-11  Julia Koval  <julia.koval@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
	(OPTION_MASK_ISA_SGX_SET): New.
	(ix86_handle_option): Handle OPT_msgx.
	* config.gcc: Added sgxintrin.h.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
	* config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
	* config/i386/i386.c (ix86_target_string): Add -msgx.
	(PTA_SGX): New.
	(ix86_option_override_internal): Handle new options.
	(ix86_valid_target_attribute_inner_p): Add sgx.
	* config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
	* config/i386/i386.opt: Add msgx.
	* config/i386/sgxintrin.h: New file.
	* config/i386/x86intrin.h: Add sgxintrin.h.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR c++/71537
	* fold-const.c (maybe_nonzero_address): Return 1 for function
	local objects.
	(tree_single_nonzero_warnv_p): Don't handle function local objects
	here.

	PR c++/72813
	* gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
	of c-header.

2017-01-11  David Malcolm  <dmalcolm@redhat.com>

	PR driver/78877
	* opts.c: Include "spellcheck.h"
	(struct string_fragment): New struct.
	(struct edit_distance_traits<const string_fragment &>): New
	struct.
	(get_closest_sanitizer_option): New function.
	(parse_sanitizer_options): Offer suggestions for unrecognized arguments.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
	by 12.
	(DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
	DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
	(DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
	(calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
	for initial die_offset if dwarf_split_debug_info.
	(output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
	initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
	fields.
	(output_skeleton_debug_sections): Formatting fix.  Use
	DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
	DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.

2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>

	* config/arm/cortex-a53.md: Add bypasses for
	cortex_a53_r2f_cvt.
	(cortex_a53_r2f): Only use for transfers.
	(cortex_a53_f2r): Likewise.
	(cortex_a53_r2f_cvt): Add reservation for conversions.
	(cortex_a53_f2r_cvt): Likewise.

2017-01-11  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/arm_neon.h: Add __artificial__ and gnu_inline
	to all inlined functions, change static to extern.

2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>

	PR target/78253
	* config/arm/arm.c (legitimize_pic_address): Handle reference to
	weak symbol.
	(arm_assemble_integer): Likewise.

2017-01-11  Richard Earnshaw  <rearnsha@arm.com>

	* config.gcc: Use new awk script to check CPU, FPU and architecture
	parameters for --with-... options.
	* config/arm/parsecpu.awk: New file
	* config/arm/arm-cpus.in: New file.
	* config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
	files.
	* config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
	files.
	* config/arm/t-arm: Update dependency rules.
	* common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
	of processing .def files.
	* config/arm/genopt.sh: Deleted.
	* config/arm/gentune.sh: Deleted.
	* config/arm/arm-cores.def: Deleted.
	* config/arm/arm-arches.def: Deleted.
	* config/arm/arm-fpus.def: Deleted.
	* config/arm/arm-tune.md: Regenerated.
	* config/arm/arm-tables.opt: Regenerated.
	* config/arm/arm-cpu.h: New generated file.
	* config/arm/arm-cpu-data.h: New generated file.
	* config/arm/arm-cpu-cdata.h: New generated file.

2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR lto/79042
	* lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
	bit.
	(input_varpool_node): Unpack dynamically_initialized bit.

2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/79032
	* lra-constraints.c (simplify_operand_subreg): In the MEM case, test
	the alignment of the adjusted memory reference against that of MODE,
	instead of the alignment of the original memory reference.

2017-01-11  Martin Jambor  <mjambor@suse.cz>

	* hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
	test.
	* ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
	decorated functions.

2017-01-11  Richard Biener  <rguenther@suse.de>

	* tree-vrp.c (evrp_dom_walker::before_dom_children): Also
	set range/nonnull info for PHI results.  Do not set it on
	stmts marked for removal.

2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): In the bitfield case, fetch the return value
	from the registers before applying a single big-endian adjustment.
	Always do a final load for a BLKmode value not larger than a word.

2017-01-10  David Malcolm  <dmalcolm@redhat.com>

	PR c++/77949
	* input.c (selftest::test_accessing_ordinary_linemaps): Verify
	that we correctly handle column numbers greater than
	LINE_MAP_MAX_COLUMN_NUMBER.

2017-01-10  Martin Sebor  <msebor@redhat.com>

	PR middle-end/78245
	* gimple-ssa-sprintf.c (get_destination_size): Call
	{init,fini}object_sizes.
	* tree-object-size.c (addr_object_size): Adjust.
	(pass_through_call): Adjust.
	(pass_object_sizes::execute): Adjust.
	* tree-object-size.h (fini_object_sizes): Declare.

2017-01-10  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78775
	* builtins.c (get_size_range): Move...
	* calls.c: ...to here.
	(alloc_max_size): Accept zero argument.
	(operand_signed_p): Remove.
	(maybe_warn_alloc_args_overflow): Call get_size_range.
	* calls.h (get_size_range): Declare.

2017-01-10  Joe Seymour  <joe.s@somniumtech.com>

	* config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
	from TI's devices.csv file as of September 2016.
	* config/msp430/msp430.c (msp430_mcu_data): Likewise.

2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/objc.texi: Likewise.

2017-01-10  Joshua Conner  <joshconner@google.com>

	* config/arm/fuchsia-elf.h: New file.
	* config/fuchsia.h: New file.
	* config.gcc (*-*-fuchsia*): Set native_system_header_dir.
	(aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
	targets.
	* config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.

2016-01-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79034
	* tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
	Propagate out degenerate PHIs in the joiner.

2017-01-10  Martin Liska  <mliska@suse.cz>

	* ipa-icf.c (sort_sem_items_by_decl_uid): New function.
	(sort_congruence_classes_by_decl_uid): Likewise.
	(sort_congruence_class_groups_by_decl_uid): Likewise.
	(sem_item_optimizer::merge_classes): Sort class, groups in these
	classes and members in the groups by DECL_UID of declarations.
	This would make merge operations stable.

2017-01-10  Martin Liska  <mliska@suse.cz>

	* ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
	usage of m_classes_vec.
	(sem_item_optimizer::~sem_item_optimizer):  Likewise.
	(sem_item_optimizer::get_group_by_hash): Likewise.
	(sem_item_optimizer::subdivide_classes_by_equality): Likewise.
	(sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
	(sem_item_optimizer::verify_classes): Likewise.
	(sem_item_optimizer::process_cong_reduction): Likewise.
	(sem_item_optimizer::dump_cong_classes): Likewise.
	(sem_item_optimizer::merge_classes): Likewise.
	* ipa-icf.h (congruence_class_hash): Rename from
	congruence_class_group_hash.  Remove declaration of m_classes_vec.

2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
	OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
	* config.gcc: Add avx512vpopcntdqintrin.h.
	* config/i386/avx512vpopcntdqintrin.h: New.
	* config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
	* config/i386/i386-builtin-types.def: Add new types.
	* config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
	__builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
	__builtin_ia32_vpopcountq_v8di_mask): New.
	* config/i386/i386-c.c (ix86_target_macros_internal): Define
	__AVX512VPOPCNTDQ__.
	* config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
	(PTA_AVX512VPOPCNTDQ): Define.
	* config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
	TARGET_AVX512VPOPCNTDQ_P): Define.
	* config/i386/i386.opt: Add mavx512vpopcntdq.
	* config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
	* config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_CALL): Set to 67.

2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): In the bitfield case, if the value comes from
	a function call and is of an aggregate type returned in registers, do
	not modify the field mode; extract the value in all cases if the mode
	is BLKmode and the size is not larger than a word.

2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/71017
	* config/i386/cpuid.h: Fix undefined behavior.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimization/79007
	PR tree-optimization/67955
	* tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
	conservative for pt.null when flag_non_call_exceptions is on.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR translation/79019
	PR translation/79020
	* params.def (PARAM_INLINE_MIN_SPEEDUP,
	PARAM_IPA_CP_SINGLE_CALL_PENALTY,
	PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
	in descriptions.
	* config/avr/avr.opt (maccumulate-args): Likewise.
	* config/msp430/msp430.opt (mwarn-mcu): Likewise.
	* common.opt (freport-bug): Likewise.
	* cif-code.def (CIF_FINAL_ERROR): Likewise.
	* doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
	* config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
	translatable string.
	* config/i386/i386.c (function_value_32): Likewise.
	* config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
	* config/msp430/msp430.c (msp430_option_override, msp430_attr):
	Likewise.
	* config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
	* common/config/msp430/msp430-common.c (msp430_handle_option):
	Likewise.
	* symtab.c (symtab_node::verify_base): Likewise.
	* opts.c (set_debug_level): Likewise.
	* tree.c (verify_type_variant): Likewise.  Fix typo in comment.
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
	missing whitespace to translatable strings.
	* config/avr/avr.md (bswapsi2): Fix typo in comment.
	* config/sh/superh.h: Likewise.
	* config/i386/xopintrin.h: Likewise.
	* config/i386/znver1.md: Likewise.
	* config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
	* ipa-inline-analysis.c (compute_inline_parameters): Likewise.
	* double-int.h (struct double_int): Likewise.
	* double-int.c (div_and_round_double): Likewise.
	* wide-int.cc: Likewise.
	* tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
	* cfgcleanup.c (crossjumps_occured): Renamed to ...
	(crossjumps_occurred): ... this.
	(try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
	Adjust all uses.

	PR tree-optimization/78899
	* tree-if-conv.c (version_loop_for_if_conversion): Instead of
	returning bool return struct loop *, NULL for failure and the new
	loop on success.
	(versionable_outer_loop_p): Don't version outer loop if it has
	dont_vectorized bit set.
	(tree_if_conversion): When versioning outer loop, ensure
	tree_if_conversion is performed also on the inner loop of the
	non-vectorizable outer loop copy.
	* tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
	LOOP_VECTORIZED in inner loop of the scalar outer loop and
	prevent vectorization of it.
	(vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
	the outer loop vectorization of the non-scalar version is attempted
	before vectorization of the inner loop in scalar version.  If
	outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
	vectorization of its inner loop.
	* tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
	has 2 inner loops, rename also on edges from bb whose single pred
	is outer_loop->header.  Fix typo in function comment.

2017-01-09  Martin Sebor  <msebor@redhat.com>

	PR bootstrap/79033
	* asan.c (asan_emit_stack_protection): Increase local buffer size
	to avoid snprintf truncation warning.

2017-01-09  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
	to reference thunderx2t99 for the tuning structure
	* config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
	Rename to ...
	(thunderx2t99_extra_costs): This.
	* config/aarch64/aarch64-tune.md: Regenerate.
	* config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
	(vulcan_addrcost_table): This.
	(vulcan_regmove_cost): Rename to ...
	(thunderx2t99_regmove_cost): This.
	(vulcan_vector_cost): Rename to ...
	(thunderx2t99_vector_cost): this.
	(vulcan_branch_cost): Rename to ...
	(thunderx2t99_branch_cost): This.
	(vulcan_tunings): Rename to ...
	(thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
	* doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.

2017-01-09  Martin Jambor  <mjambor@suse.cz>

	PR ipa/78365
	PR ipa/78599
	* ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
	* ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
	(propagate_vr_accross_jump_function): Use the above function for all
	value range computations for pass-through jump functions and type
	converasion from explicit value range values.
	(ipcp_propagate_stage): Do not attempt to deduce types of formal
	parameters from TYPE_ARG_TYPES.
	* ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
	(ipa_write_node_info): Stream type of the actual argument.
	(ipa_read_node_info): Likewise. Also remove trailing whitespace.

2017-01-09  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (driver_handle_option): Handle OPT_E and set have_E.
	(lookup_compiler): Do not show error message with have_E.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/78938
	* tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
	where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
	BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
	{EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
	fixes.

2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
	is const0_rtx.

2017-01-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/78997
	* tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
	name condition properly.

2017-01-09  Richard Biener  <rguenther@suse.de>

	PR debug/79000
	* dwarf2out.c (is_cxx): New overload with context.
	(is_naming_typedef_decl): Use it.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	* invoke.texi (Option Summary): Correct spacing in option lists
	and add line breaks to fix over-long lines.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	PR middle-end/17660

	* extend.texi (Common Variable Attributes): Add xref to GCC
	Internals manual to explain mode attribute keywords.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16519
	* doc/invoke.texi (Option Summary): Move -pthread to Linker Options
	and Preprocessor Options.
	(Options for Linking): Document -pthread here....
	(RS/6000 and PowerPC Options): ...not here.
	(Solaris 2 Options): ...or here.
	* doc/cppopts.texi: Document -pthread.

2017-01-08  Martin Sebor  <msebor@redhat.com>

	PR middle-end/77708
	* doc/invoke.texi (Warning Options): Document -Wformat-truncation.
	* gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
	New member functions.
	(format_directive): Used them.
	(add_bytes): Same.
	(pass_sprintf_length::handle_gimple_call): Same.
	* graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
	to avoid truncation for any argument.
	(extract_affine_mul): Same.
	* tree.c (get_file_function_name): Same.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_INDIR_CALL): Set to 86.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	PR preprocessor/54124
	* doc/cppopts.texi: Reformat -d subtable to list the full name
	of the options.  Add cross-reference to the docs for the general
	compiler -d options.
	* doc/invoke.texi (Developer Options): Add cross-reference to the
	preprocessor-specific -d option documentation.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	PR preprocessor/13498
	* doc/cpp.texi (Search Path): Rewrite to remove obsolete and
	redudant material, and reflect new command-line options.
	(System Headers): Likewise.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/cppdiropts.texi: Merge documentation of -I, -iquote,
	-isystem, and -idirafter.  Copy-edit.
	* doc/cppopts.texi: Copy-edit.  Remove contradiction about
	default for -ftrack-macro-expansion.  Delete obsolete and
	badly-formatted implementation details about -fdebug-cpp output.
	* doc/cppwarnopts.texi: Copy-edit.

2017-01-07  David Malcolm  <dmalcolm@redhat.com>

	PR c++/72803
	* input.c (selftest::test_accessing_ordinary_linemaps): Verify
	that the transition from a max line width >= 1<<10 to narrower
	lines works correctly.

2017-01-07  Alexandre Oliva <aoliva@redhat.com>

	* doc/options.texi (PerFunction): New.
	* opt-functions.awk (switch_flags): Map both Optimization and
	PerFunction to CL_OPTIMIZATION.
	* opth-gen.awk: Test for PerFunction flag along with
	Optimization.
	* optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
	it only when the latter is present.  Skip those that don't in
	the hash function generator.
	* common.opt (fvar-tracking): Mark as PerFunction instead of
	Optimization.
	(fvar-tracking-assignments): Likewise.
	(fvar-tracking-assignments-toggle): Likewise.
	(fvar-tracking-uninit): Likewise.

2017-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR translation/79018
	* params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
	the and store.

2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>

	PR target/57583
	* config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
	* config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
	TARGET_LONG_JUMP_TABLE_OFFSETS.
	* config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
	* config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
	* config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
	(ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
	* config/m68k/m68k.md (tablejump expander): Likewise.
	(*tablejump_pcrel_hi): Renamed from unnamed insn, reject
	TARGET_LONG_JUMP_TABLE_OFFSETS.
	(*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
	* doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.

2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
	    David Holsgrove <david.holsgrove@xilinx.com>

	* common/config/microblaze/microblaze-common.c
	(TARGET_EXCEPT_UNWIND_INFO): Remove.
	* config/microblaze/microblaze-protos.h (microblaze_eh_return):
	New prototype.
	* config/microblaze/microblaze.c (microblaze_must_save_register)
	(microblaze_expand_epilogue, microblaze_return_addr): Handle
	calls_eh_return.
	(microblaze_eh_return): New function.
	* config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
	(EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
	(EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
	* config/microblaze/microblaze.md (eh_return): New pattern.

2017-01-06  Jakub Jelinek  <jakub@redhat.com>

	* system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
	GCC_DIAGNOSTIC_STRINGIFY): Define.

	* read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<mcrr>): New.
	(<mrrc>): New.
	* config/arm/arm.c (arm_arch5te): New.
	(arm_option_override): Set arm_arch5te.
	(arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
	and mrrc2.
	* config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
	(arm_mcrr_qualifiers): ... this. New.
	(MRRC_QUALIFIERS): Define to...
	(arm_mrrc_qualifiers): ... this. New.
	* config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
	__arm_mrrc2): New.
	* config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
	* config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
	(MRRCI, mrrc, MRRC): New.
	* config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
	VUNSPEC_MRRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<mcr>): New.
	(<mrc>): New.
	* config/arm/arm.c (arm_coproc_builtin_available): Add
	support for mcr, mrc, mcr2 and mrc2.
	* config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
	(arm_mcr_qualifiers): ... this. New.
	(MRC_QUALIFIERS): Define to ...
	(arm_mrc_qualifiers): ... this. New.
	(MCR_QUALIFIERS): Define to ...
	(arm_mcr_qualifiers): ... this. New.
	* config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
	__arm_mrc2): New.
	* config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
	* config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
	* config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
	VUNSPEC_MRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (*ldc): New.
	(*stc): New.
	(<ldc>): New.
	(<stc>): New.
	* config/arm/arm.c (arm_coproc_builtin_available): Add
	support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
	(arm_coproc_ldc_stc_legitimate_address): New.
	* config/arm/arm-builtins.c (arm_type_qualifiers): Add
	'qualifier_const_pointer'.
	(LDC_QUALIFIERS): Define to...
	(arm_ldc_qualifiers): ... this. New.
	(STC_QUALIFIERS): Define to...
	(arm_stc_qualifiers): ... this. New.
	* config/arm/arm-protos.h
	(arm_coproc_ldc_stc_legitimate_address): New.
	* config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
	__arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
	* config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
	stc2, stcl, stc2l): New.
	* config/arm/constraints.md (Uz): New.
	* config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
	* config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
	VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
	VUNSPEC_STC2L): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm.md (<cdp>): New.
	* config/arm/arm.c (neon_const_bounds): Rename this ...
	(arm_const_bounds): ... this.
	(arm_coproc_builtin_available): New.
	* config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
	(arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
	(CDP_QUALIFIERS): Define to...
	(arm_cdp_qualifiers): ... this. New.
	(void_UP): Define.
	(arm_expand_builtin_args): Add case for 6 arguments.
	* config/arm/arm-protos.h (neon_const_bounds): Rename this ...
	(arm_const_bounds): ... this.
	(arm_coproc_builtin_available): New.
	* config/arm/arm_acle.h (__arm_cdp): New.
	(__arm_cdp2): New.
	* config/arm/arm_acle_builtins.def (cdp): New.
	(cdp2): New.
	* config/arm/iterators.md (CDPI,CDP,cdp): New.
	* config/arm/neon.md: Rename all 'neon_const_bounds' to
	'arm_const_bounds'.
	* config/arm/types.md (coproc): New.
	* config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
	* gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
	* gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
	arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
	(UBINOP_QUALIFIERS): New.
	(si_UP): Define.
	(acle_builtin_data): New. Change comment.
	(arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
	ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
	ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
	arm_acle_builtins.def.
	(ARM_BUILTIN_ACLE_PATTERN_START): Define.
	(arm_init_acle_builtins): New.
	(CRC32_BUILTIN): Remove.
	(bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
	crc32cb, crc32ch and crc32cw.
	(arm_init_crc32_builtins): Remove.
	(arm_init_builtins): Use arm_init_acle_builtins rather
	than arm_init_crc32_builtins.
	(arm_expand_acle_builtin): New.
	(arm_expand_builtin): Use 'arm_expand_acle_builtin'.
	* config/arm/arm_acle_builtins.def: New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
	(arm_builtin_datum): ... this.
	(arm_init_neon_builtin): Rename to ...
	(arm_init_builtin): ... this. Add a new parameters PREFIX
	and USE_SIG_IN_NAME.
	(arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
	'arm_init_builtin'. Replace type 'neon_builtin_datum' with
	'arm_builtin_datum'.
	(arm_init_vfp_builtins): Likewise.
	(builtin_arg): Rename enum's replacing 'NEON_ARG' with
	'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
	(arm_expand_neon_args): Rename to ...
	(arm_expand_builtin_args): ... this. Rename builtin_arg
	enum values and differentiate between ARG_BUILTIN_MEMORY
	and ARG_BUILTIN_NEON_MEMORY.
	(arm_expand_neon_builtin_1): Rename to ...
	(arm_expand_builtin_1): ... this. Rename builtin_arg enum
	values, arm_expand_builtin_args and add bool parameter NEON.
	(arm_expand_neon_builtin): Use arm_expand_builtin_1.
	(arm_expand_vfp_builtin): Likewise.
	(NEON_MAX_BUILTIN_ARGS): Remove, it was unused.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
	* predict.c (tree_estimate_probability_bb): Reverse direction of
	polymorphic call predictor.

2017-01-06  David Malcolm  <dmalcolm@redhat.com>

	* passes.c (execute_one_pass): Split out pass-skipping logic into...
	(determine_pass_name_match): ...this new function and...
	(should_skip_pass_p): ...this new function.

2017-01-06  Nathan Sidwell  <nathan@acm.org>

	* ipa-visibility.c (function_and_variable_visibility): Reformat
	comments and long lines.  Remove extrneous if.
	* symtab.c (symtab_node::make_decl_local): Fix code format.
	(symtab_node::set_section_for_node): Fix comment typo.

2017-01-06  Martin Liska  <mliska@suse.cz>

	PR bootstrap/79003
	* lra-constraints.c: Rename invariant to lra_invariant.
	* predict.c (set_even_probabilities): Initialize e to NULL.

2017-01-05  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78910
	* gimple-ssa-sprintf.c (tree_digits): Add an argument.
	(format_integer): Correct off-by-one error in the handling
	of precision with negative numbers in signed conversions..

2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/71016
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
	factor_out_conditional_conversion.  Formatting fix.
	(factor_out_conditional_conversion): Add cond_stmt argument.
	If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
	cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
	Formatting fix.

2017-01-05  David Malcolm  <dmalcolm@redhat.com>

	* Makefile.in (OBJS): Add read-md.o, read-rtl.o,
	read-rtl-function.o, and selftest-rtl.o.
	* config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
	(selftest::aarch64_test_loading_full_dump): New function.
	(selftest::aarch64_run_selftests): New function.
	(TARGET_RUN_TARGET_SELFTESTS): Wire it up to
	selftest::aarch64_run_selftests.
	* config/i386/i386.c
	(selftest::ix86_test_loading_dump_fragment_1): New function.
	(selftest::ix86_test_loading_call_insn): New function.
	(selftest::ix86_test_loading_full_dump): New function.
	(selftest::ix86_test_loading_unspec): New function.
	(selftest::ix86_run_selftests): Call the new functions.
	* emit-rtl.c (maybe_set_max_label_num): New function.
	* emit-rtl.h (maybe_set_max_label_num): New decl.
	* function.c (instantiate_decls): Guard call to
	instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
	* function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
	"static".
	* gensupport.c (gen_reader::gen_reader): Pass "false"
	for new "compact" param of rtx_reader.
	* print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
	rather than an empty string for NULL strings.
	* read-md.c: Potentially include config.h rather than bconfig.h.
	Wrap include of errors.h with #ifdef GENERATOR_FILE.
	(have_error): New global, copied from errors.c.
	(md_reader::read_name): Rename to...
	(md_reader::read_name_1): ...this, adding "out_loc" param,
	and converting "missing name or number" to returning false, rather
	than failing.
	(md_reader::read_name): Reimplement in terms of read_name_1.
	(md_reader::read_name_or_nil): New function.
	(md_reader::read_string): Handle "(nil)" by returning NULL.
	(md_reader::md_reader): Add new param "compact".
	(md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
	(md_reader::read_file): New method.
	* read-md.h (md_reader::md_reader): Add new param "compact".
	(md_reader::read_file): New method.
	(md_reader::is_compact): New accessor.
	(md_reader::read_name): Convert return type from void to file_location.
	(md_reader::read_name_or_nil): New decl.
	(md_reader::read_name_1): New decl.
	(md_reader::m_compact): New field.
	(noop_reader::noop_reader): Pass "false" for new "compact" param
	of rtx_reader.
	(rtx_reader::rtx_reader): Add new "compact" param.
	(rtx_reader::read_rtx_operand): Make virtual and convert return
	type from void to rtx.
	(rtx_reader::read_until): New decl.
	(rtx_reader::handle_any_trailing_information): New virtual function.
	(rtx_reader::postprocess): New virtual function.
	(rtx_reader::finalize_string): New virtual function.
	(rtx_reader::m_in_call_function_usage): New field.
	(rtx_reader::m_reuse_rtx_by_id): New field.
	* read-rtl-function.c: New file.
	* selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
	* selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
	(selftest::verify_three_block_rtl_cfg): New decl.
	* read-rtl-function.h: New file.
	* read-rtl.c: Potentially include config.h rather than bconfig.h.
	For host, include function.h, memmodel.h, and emit-rtl.h.
	(one_time_initialization): New function.
	(struct compact_insn_name): New struct.
	(compact_insn_names): New array.
	(find_code): Handle insn codes in compact dumps.
	(apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
	(bind_subst_iter_and_attr): Likewise.
	(add_condition_to_string): Likewise.
	(add_condition_to_rtx): Likewise.
	(apply_attribute_uses): Likewise.
	(add_current_iterators): Likewise.
	(apply_iterators): Likewise.
	(initialize_iterators): Guard usage of apply_subst_iterator with
	#ifdef GENERATOR_FILE.
	(read_conditions): Wrap with #ifdef GENERATOR_FILE.
	(md_reader::read_mapping): Likewise.
	(add_define_attr_for_define_subst): Likewise.
	(add_define_subst_attr): Likewise.
	(read_subst_mapping): Likewise.
	(check_code_iterator): Likewise.
	(rtx_reader::read_rtx): Likewise.  Move one-time initialization
	logic to...
	(one_time_initialization): New function.
	(rtx_reader::read_until): New method.
	(read_flags): New function.
	(parse_reg_note_name): New function.
	(rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
	Handle reuse_rtx ids.
	Wrap iterator lookup within #ifdef GENERATOR_FILE.
	Add parsing support for RTL dumps, mirroring the special-cases in
	print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
	values, and calling handle_any_trailing_information.
	(rtx_reader::read_rtx_operand): Convert return type from void
	to rtx, returning return_rtx.  Handle case 'e'.  Call
	finalize_string on XSTR and XTMPL fields.
	(rtx_reader::read_nested_rtx):  Handle dumps in which trailing
	 "(nil)" values were omitted.  Call the postprocess vfunc on the
	return_rtx.
	(rtx_reader::rtx_reader): Add new "compact" param and pass to base
	class ctor.  Initialize m_in_call_function_usage.  Call
	one_time_initialization.
	* rtl-tests.c (selftest::test_uncond_jump): Call
	set_new_first_and_last_insn.
	* rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
	* selftest-rtl.c: New file.
	* selftest-rtl.h (class selftest::rtl_dump_test): New class.
	(selftest::get_insn_by_uid): New decl.
	* selftest-run-tests.c (selftest::run_tests): Call
	read_rtl_function_c_tests.
	* selftest.h  (selftest::read_rtl_function_c_tests): New decl.
	* tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
	dumps.

2017-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*testqi_ext_3): No need to handle memory
	operands in a special way.  Assert that pos+len <= mode precision.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

	* common.opt (fvect-cost-model): Remove RejectNegative flag, use
	3 argument Alias with unlimited for the negative form.
	(fno-vect-cost-model): Removed.

2017-01-05  Martin Liska  <mliska@suse.cz>

	* hsa-gen.c (gen_hsa_divmod): New function.
	(gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.

2017-01-05  Martin Liska  <mliska@suse.cz>

	PR pch/78970
	* gcc.c (lookup_compiler): Reject '-' filename for a precompiled
	header.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_setmem): Unroll the loop for
	small constant length operands.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
	between loop iterations.

2017-01-05  Martin Liska  <mliska@suse.cz>

	PR sanitizer/78815
	* gimplify.c (gimplify_decl_expr): Compare to
	asan_poisoned_variables instread of checking flags.
	(gimplify_target_expr): Likewise.
	(gimplify_expr): Likewise.
	(gimplify_function_tree): Conditionally initialize
	asan_poisoned_variables.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/78812
	* rtl.h (contains_mem_rtx_p): Prototype.
	* ifcvt.c (containts_mem_rtx_p): Move from here to...
	* rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
	* gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
	and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
	through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* input.c (assert_char_at_range): Default-initialize actual_range.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* df-scan.c (df_ref_create_structure): Make regno unsigned,
	to match the caller.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* cfgexpand.c (expand_gimple_basic_block): Disregard debug
	insns after final jump in test to emit dummy move.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
	* tree-eh.c (cleanup_empty_eh): Skip more debug stmts.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

	* multiple_target.c (create_dispatcher_calls): Init e_next.
	* tree-ssa-loop-split.c (split_loop): Init border.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Init
	scalar_type.

2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/71977
	PR target/70568
	PR target/78823
	* config/rs6000/predicates.md (sf_subreg_operand): New predicate.
	(altivec_register_operand): Do not return true if the operand
	contains a SUBREG mixing SImode and SFmode.
	(vsx_register_operand): Likewise.
	(vsx_reg_sfsubreg_ok): New predicate.
	(vfloat_operand): Do not return true if the operand contains a
	SUBREG mixing SImode and SFmode.
	(vint_operand): Likewise.
	(vlogical_operand): Likewise.
	(gpc_reg_operand): Likewise.
	(int_reg_operand): Likewise.
	* config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
	* config/rs6000/rs6000.c (valid_sf_si_move): New function to
	determine if a MOVSI or MOVSF operation contains SUBREGs that mix
	SImode and SFmode.
	(rs6000_emit_move_si_sf_subreg): New helper function.
	(rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
	fixup SUBREGs involving SImode and SFmode.
	* config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
	numbers for the new peephole2 optimization.
	(peephole2 for SFmode unions): New peephole2 to optimize cases in
	the GLIBC math library that do AND/IOR/XOR operations on single
	precision floating point.
	* config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
	target macros to say whether we need to avoid SUBREGs mixing
	SImode and SFmode.
	(TARGET_ALLOW_SF_SUBREG): Likewise.
	* config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
	(UNSPEC_SI_FROM_SF): Likewise.
	(iorxor): Change spacing.
	(and_ior_xor): New iterator for AND, IOR, and XOR.
	(movsi_from_sf): New insns for SImode/SFmode SUBREG support.
	(movdi_from_sf_zero_ext): Likewise.
	(mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
	instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
	(movsf_from_si): New insn for SImode/SFmode SUBREG support.
	(fma<mode>4): Use gpc_reg_operand instead of register_operand.
	(fms<mode>4): Likewise.
	(fnma<mode>4): Likewise.
	(fnms<mode>4): Likewise.
	(nfma<mode>4): Likewise.
	(nfms<mode>4): Likewise.

2017-01-04  Marek Polacek  <polacek@redhat.com>

	PR c++/64767
	* doc/invoke.texi: Document -Wpointer-compare.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	* optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
	RejectNegative.

	* dwarf2out.c (output_loc_list): Don't throw away 64K+ location
	descriptions for -gdwarf-5 and emit them as uleb128 instead of
	2-byte data.

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/78056
	* doc/sourcebuild.texi (PowerPC-specific attributes): Add
	documentation of the powerpc_popcntb_ok attribute.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Add
	code to issue warning messages if a requested CPU configuration is
	not supported by the binary (assembler and loader) toolchain.
	(spe_init_builtins): Add two assertions to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(paired_init_builtins): Add assertion to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(altivec_init_builtins): Add comment explaining why definition
	of the DST built-in functions is not preceded by an assertion
	check.  Add assertions to prevent ICE if attempts are made to
	define an altivec predicate or an abs* built-in function that has
	been disabled.
	(htm_init_builtins): Add comment explaining why definition of the
	htm built-in functions is not preceded by an assertion check.

2017-01-04  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/67955
	* tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
	Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
	the points-to solution does not include pt_null.  Use DECL_PT_UID
	unconditionally.

2017-01-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (HI/SImode test with imm to QImode splitters):
	Use gen_int_mode instead of gen_lopwart for const_int operands.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/71563
	* match.pd: Simplify X << Y into X if Y is known to be 0 or
	out of range value - has low bits known to be zero.

2017-01-04  Alan Modra  <amodra@gmail.com>

	* Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
	* configure: Regenerate.
	* config.in: Regenerate.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/77569
	* input.c (ebcdic_execution_charset::on_error): Don't use strstr for
	a substring of the message, but strcmp with the whole message.  Ifdef
	ENABLE_NLS, translate the message first using dgettext.

2017-01-03  Jeff Law  <law@redhat.com>

	PR tree-optimizatin/78856
	* tree-ssa-threadupdate.c: Include tree-vectorizer.h.
	(mark_threaded_blocks): Remove code to truncate thread paths that
	cross multiple loop headers.  Instead invalidate the cached loop
	iteration information and handle case of a thread path walking
	into an irreducible region.

2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78900
	* config/rs6000/rs6000.c (rs6000_split_signbit): Change some
	assertions.  Add support for doing the signbit if the IEEE 128-bit
	floating point value is in a GPR.
	* config/rs6000/rs6000.md (Fsignbit): Delete.
	(signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
	Update the length attribute if the value is in a GPR.
	(signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
	the sign or zero extension instruction, since the value is always 0/1.
	(signbit<mode>2_dm2): Delete using <Fsignbit>.

	PR target/78953
	* config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
	extracting SImode to a GPR register so that we can generate a
	store, limit the vector to be in a traditional Altivec register
	for the vextuwrx instruction.

2017-01-03  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.

2017-01-03  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/78696
	* gimple-ssa-sprintf.c (format_floating): Correct handling of
	precision.  Use MPFR for %f for greater fidelity.  Correct handling
	of %g.
	(pass_sprintf_length::compute_format_length): Set width and precision
	specified by asrerisk to void_node for vararg functions.
	(try_substitute_return_value): Adjust dump output.

2017-01-03  David Edelsohn  <dje.gcc@gmail.com>

	* doc/invoke.texi (RS6000 options): LRA is enabled by default.

2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (SPARC options): Document -mlra as the default.
	* config/sparc/sparc.c (sparc_option_override): Force LRA unless
	-mlra/-mno-lra was passed to the compiler.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

	PR rtl-optimization/65618
	* emit-rtl.c (try_split): Move initialization of "before" and
	"after" to just before the call to emit_insn_after_setloc.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/md.texi (Standard Names): Remove reference to Java frontend.

2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>

	* dwarf2out.c (gen_enumeration_type_die): When
	-gno-strict-dwarf, add a DW_AT_encoding attribute.

2017-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/78965
	* gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
	Change first argument from const call_info & to call_info &.  For %n
	set info.nowrite to false.

	PR middle-end/78901
	* gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
	possibly throwing calls.

	* genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
	and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
	and fns handling, rather than in a separate case SSA_NAME.

2017-01-02  Jeff Law  <law@redhat.com>

	* config/darwin-driver.c (darwin_driver_init): Const-correctness
	fixes for first_period and second_period variables.

2017-01-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/78967
	* config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
	(*insvqi_1): New insn pattern.
	(*insvqi_1_mem_rex64): Ditto.
	(*insvqi_2): Ditto.
	(*insvqi_3): Rename from *insvqi.

	(*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cfg.texi (Edges): Remove reference to Java.
	(Maintaining the CFG): Ditto.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77674
	* symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
	transparent aliases.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/77484
	* predict.def (PRED_CALL): Update hitrate.
	(PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
	* predict.c (tree_estimate_probability_bb): Split CALL predictor
	into direct/indirect/polymorphic variants.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gcc.c (process_command): Update copyright notice dates.
	* gcov-dump.c (print_version): Ditto.
	* gcov.c (print_version): Ditto.
	* gcov-tool.c (print_version): Ditto.
	* gengtype.c (create_file): Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.

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