Google Git
Sign in
gnu / gcc / f450e21133974ec05fada3741eb91934f6371af4 / . / gcc / ChangeLog
blob: 3e3f7d5258320da9d7b8ae928fb0d393fd0f5dc8 [file] [log] [blame]
2022-06-24 Iain Buclaw <ibuclaw@gdcproject.org>
Backported from master:
2022-06-24 Iain Buclaw <ibuclaw@gdcproject.org>
* config/tilepro/gen-mul-tables.cc (tilegx_emit): Adjust loop
condition to avoid overflow.
2022-06-20 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2022-06-17 Uroš Bizjak <ubizjak@gmail.com>
PR target/105209
* config/alpha/alpha-protos.h (alpha_store_data_bypass_p): New.
* config/alpha/alpha.c (alpha_store_data_bypass_p): New function.
(alpha_store_data_bypass_p_1): Ditto.
* config/alpha/ev4.md: Use alpha_store_data_bypass_p instead
of generic store_data_bypass_p.
(ev4_ist_c): Remove insn reservation.
2022-06-20 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2022-06-17 Uroš Bizjak <ubizjak@gmail.com>
PR target/105970
* config/i386/i386.c (ix86_function_arg): Assert that
the mode of pointer argumet is equal to ptr_mode, not Pmode.
2022-06-20 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
2022-03-12 Segher Boessenkool <segher@kernel.crashing.org>
PR target/104829
* config/rs6000/rs6000.c (rs6000_machine_from_flags): Don't output
"ppc" and "ppc64" based on rs6000_cpu.
2022-06-20 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
2022-03-04 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.c (rs6000_machine_from_flags): Restructure a
bit. Handle most older CPUs.
2022-06-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-06-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/105998
* varasm.c (narrowing_initializer_constant_valid_p): Check
SCALAR_INT_MODE_P instead of INTEGRAL_MODE_P, also break on
! INTEGRAL_TYPE_P and do the same check also on op{0,1}'s type.
2022-06-20 Jan Hubicka <jh@suse.cz>
Backported from master:
2022-06-14 Jan Hubicka <hubicka@ucw.cz>
PR ipa/105739
* ipa-prop.c (ipa_load_from_parm_agg): Punt on volatile loads.
2022-06-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-05-27 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/105729
* fold-const.c (fold_unary_loc): Don't optimize (X &) ((Y *) z + w)
to (X &) z + w if -fsanitize=null during GENERIC folding.
2022-06-16 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2022-06-15 Richard Earnshaw <rearnsha@arm.com>
PR target/105981
* config/arm/arm.c (gen_cpymem_ldrd_strd): Rename low_reg and hi_reg
to first_reg and second_reg respectively. Initialize them correctly
when generating big-endian code.
2022-06-15 Simon Wright <simon@pushface.org>
Backported from master:
2022-06-12 Simon Wright <simon@pushface.org>
PR target/104871
* config/darwin-driver.c (darwin_find_version_from_kernel): If the OS
version is darwin20 (macOS 11) or greater, truncate the version to the
major number.
2022-06-15 Mark Mentovai <mark@mentovai.com>
Backported from master:
2022-06-12 Mark Mentovai <mark@mentovai.com>
* config/darwin-c.c: Make -mmacosx-version-min more future-proof.
2022-06-15 Richard Biener <rguenther@suse.de>
Backported from master:
2022-05-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/105726
* gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset):
Constrain array-of-flexarray case more.
2022-06-14 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/104637
* lra-assigns.c (lra_split_hard_reg_for): Split hard regs as many
as possible on one subpass.
2022-06-13 Marek Polacek <polacek@redhat.com>
Backported from master:
2022-03-08 Marek Polacek <polacek@redhat.com>
PR rtl-optimization/104777
* rtl.c (classify_insn): For ASM_OPERANDS, return JUMP_INSN only if
ASM_OPERANDS_LABEL_VEC has at least one element.
2022-06-09 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
* Makefile.in: Remove variables related to applying no-PIE
to the exes on $build.
* configure: Regenerate.
* configure.ac: Remove configuration related to applying
no-PIE to the exes on $build.
2022-06-06 Alan Modra <amodra@gmail.com>
Backported from master:
2020-10-24 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c (rs6000_legitimate_address_p): Limit
AND addressing to just lvx/stvx style addresses.
2022-05-31 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin-sections.def (objc2_class_names_section,
objc2_method_names_section, objc2_method_types_section): New
* config/darwin.c (output_objc_section_asm_op): Output new
sections. (darwin_objc2_section): Select new sections where
used.
(darwin_label_is_anonymous_local_objc_name): Make
protocol class methods linker-visible.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-11-15 Iain Sandoe <iain@sandoe.co.uk>
PR fortran/102992
* config/darwin.h (TARGET_DTORS_FROM_CXA_ATEXIT): New.
* doc/tm.texi: Regenerated.
* doc/tm.texi.in: Add TARGET_DTORS_FROM_CXA_ATEXIT hook.
* ipa.c (cgraph_build_static_cdtor_1): Return the built
function decl.
(build_cxa_atexit_decl): New.
(build_dso_handle_decl): New.
(build_cxa_dtor_registrations): New.
(compare_cdtor_tu_order): New.
(build_cxa_atexit_fns): New.
(ipa_cdtor_merge): If dtors_from_cxa_atexit is set,
process the DTORs/CTORs accordingly.
(pass_ipa_cdtor_merge::gate): Also run if
dtors_from_cxa_atexit is set.
* target.def (dtors_from_cxa_atexit): New hook.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
PR target/100152
* config/i386/i386-expand.c (ix86_expand_call): If a call is
to a non-local-binding, or local but to a public symbol, then
assume that it might be indirected via the lazy symbol binder.
Mark R10 and R10 as clobbered in that case.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Vladimir Makarov <vmakarov@redhat.com>
PR target/104117
* config/rs6000/rs6000.c (darwin_rs6000_legitimate_lo_sum_const_p):
Check for UNSPEC_MACHOPIC_OFFSET wrappers on symbolic addresses when
emitting PIC code.
(legitimate_lo_sum_address_p): Likewise.
(rs6000_legitimize_address): Do not apply the TLS processing to
Darwin.
* config/rs6000/darwin.md (@machopic_high_<mode>): New.
(@machopic_low_<mode>): New.
* config/rs6000/predicates.md (macho_pic_address): New.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
PR target/80556
* config/darwin-driver.c (darwin_driver_init): Handle exported
symbols and symbol lists (suppress automatic export of the TLS
symbols).
* config/darwin.c (darwin_rename_builtins): Remove workaround.
* config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
(REAL_LIBGCC_SPEC): Handle revised library uses.
* config/darwin.opt (nodefaultexport): New.
* config/i386/darwin.h (PR80556_WORKAROUND): Remove.
* config/i386/darwin32-biarch.h (PR80556_WORKAROUND): Likewise.
* config/i386/darwin64-biarch.h (PR80556_WORKAROUND): Likewise.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin-driver.c (darwin_driver_init): Revise comments, handle
filelist and framework options in specs instead of code. Exit from the
option handling early if the command line is definitely enpty.
* config/darwin.h (SUBTARGET_DRIVER_SELF_SPECS): Update to handle link
specs that are really driver ones. Remove setting for the default content
of weak_reference_mismatches
(DARWIN_CC1_SPEC): Likewise.
(CPP_SPEC): Likewise.
(SYSROOT_SPEC): Append space.
(LINK_SYSROOT_SPEC): Remove most driver link specs.
(STANDARD_STARTFILE_PREFIX_2): Update link-related specs.
(STARTFILE_SPEC): Likewise.
(ASM_MMACOSX_VERSION_MIN_SPEC): Fix line wrap.
(ASM_SPEC): Update driver-related specs.
(ASM_FINAL_SPEC): Likewise.
(LINK_COMMAND_SPEC_A): Update 'r' handling to skip gomp and itm when r
or nodefaultlibs is given.
(DSYMUTIL_SPEC): Do not call dsymutil for '-r' link lines.
Update ordering of exclusions, remove duplicate 'v' addition
(collect2 will add this from the main command line).
* config/darwin.opt: Remove now unused option aliases.
* config/i386/darwin.h (EXTRA_ASM_OPTS): Ensure space after opt.
(ASM_SPEC): Update driver-related specs.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-09-19 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (LINK_COMMAND_SPEC_A): Use Darwin10
unwinder shim as a convenience library.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-10-13 Iain Sandoe <iain@sandoe.co.uk>
* collect2.c (is_lto_object_file): Release simple-object
resources, close files.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-11-05 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Add LTRAMP
to the list of symbol prefixes that must be made linker-
visible.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (finalize_ctors): Add a section-start linker-
visible symbol.
(finalize_dtors): Likewise.
* config/darwin.h (MIN_LD64_INIT_TERM_START_LABELS): New.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_file_end): Reset and reclaim the
section names table at the end of compile.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
Amend handling for LD64_VERSION fallback defaults.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
* configure.ac: Handle --with-dsymutil in the same way as we
do for the assembler and linker. (DEFAULT_DSYMUTIL): New.
Extract the type and version for the dsymutil configured or
found by the default searches.
* config.in: Regenerated.
* configure: Regenerated.
* collect2.c (do_dsymutil): Handle locating dsymutil in the
same way as for the assembler and linker.
* config/darwin.h (DSYMUTIL): Delete.
* gcc.c: Report a configured dsymutil correctly.
* exec-tool.in: Allow for dsymutil.
* doc/install.texi: Document --with-dsymutil.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-09-28 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/darwin.h (FIXED_R13): Add for PPC64.
(FIRST_SAVED_GP_REGNO): Save from R13 even when it is one
of the fixed regs.
2022-05-29 François-Xavier Coudert <fxcoudert@gcc.gnu.org>
Backported from master:
2021-12-18 François-Xavier Coudert <fxcoudert@gcc.gnu.org>
* config/darwin-driver.c: Make version code more future-proof.
* config.gcc: Homogeneize darwin versions.
* configure.ac: Homogeneize darwin versions.
* configure: Regenerate.
2022-05-29 Saagar Jha <saagar@saagarjha.com>
Backported from master:
2021-10-27 Saagar Jha <saagar@saagarjha.com>
* config.gcc: Adjust for Darwin21.
* config/darwin-c.c (macosx_version_as_macro): Likewise.
* config/darwin-driver.c (validate_macosx_version_min):
Likewise.
(darwin_find_version_from_kernel): Likewise.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-08-17 Iain Sandoe <iain@sandoe.co.uk>
PR target/100340
* config.in: Regenerate.
* config/i386/darwin.h (EXTRA_ASM_OPTS): New
(ASM_SPEC): Pass options to disable branch shortening where
needed.
* configure: Regenerate.
* configure.ac: Detect versions of 'as' that support the
optimisation which has the bug.
2022-05-29 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2022-03-04 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_fold_builtin): Make fcode an int to
avoid a mismatch with DECL_MD_FUNCTION_CODE().
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/105250
* fold-const.c (fold_convertible_p): Revert
r12-7979-geaaf77dd85c333, instead check for size equality
of the vector types involved.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-04 Richard Biener <rguenther@suse.de>
PR middle-end/105140
* fold-const.c (fold_convertible_p): Allow a TYPE_P arg.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/105163
* tree-ssa-reassoc.c (repropagate_negates): Avoid propagating
negated abnormals.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/105173
* tree-ssa-reassoc.c (find_insert_point): Get extra
insert_before output argument and compute it.
(insert_stmt_before_use): Adjust.
(rewrite_expr_tree): Likewise.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/105431
* tree-ssa-math-opts.c (powi_as_mults_1): Make n unsigned.
(powi_as_mults): Use absu_hwi.
(gimple_expand_builtin_powi): Remove now pointless n != -n
check.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/105368
* tree-ssa-math-opts.c (powi_cost): Use absu_hwi.
2022-05-27 Richard Biener <rguenther@suse.de>
Backported from master:
2022-05-11 Richard Biener <rguenther@suse.de>
PR rtl-optimization/105559
* cfgrtl.c (delete_insn_and_edges): Only perform search to BB_END
for non-debug insns.
2022-05-23 Paul A. Clarke <pc@us.ibm.com>
PR target/104257
* config/rs6000/bmi2intrin.h: Uglify local variables.
* config/rs6000/emmintrin.h: Likewise.
* config/rs6000/mm_malloc.h: Likewise.
* config/rs6000/mmintrin.h: Likewise.
* config/rs6000/pmmintrin.h: Likewise.
* config/rs6000/tmmintrin.h: Likewise.
* config/rs6000/xmmintrin.h: Likewise.
2022-05-16 Sebastian Pop <spop@amazon.com>
PR target/105162
* config/aarch64/aarch64-protos.h (atomic_ool_names): Increase dimension
of str array.
* config/aarch64/aarch64.c (aarch64_atomic_ool_func): Call
memmodel_from_int and handle MEMMODEL_SYNC_*.
(DEF0): Add __aarch64_*_sync functions.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-27 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/105396
* asan.c (asan_redzone_buffer::emit_redzone_byte): Handle the case
where offset is bigger than off but smaller than m_prev_offset + 32
bits by pushing one or more 0 bytes. Sink the
m_shadow_bytes.safe_push (value); flush_if_full (); statements from
all cases to the end of the function.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-22 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/105333
* rtlanal.c (replace_rtx): Use simplify_subreg or
simplify_unary_operation if CONST_SCALAR_INT_P rather than just
CONST_INT_P.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-19 Jakub Jelinek <jakub@redhat.com>
PR target/105257
* config/sparc/sparc.c (epilogue_renumber): If ORIGINAL_REGNO,
use gen_raw_REG instead of gen_rtx_REG and copy over also
ORIGINAL_REGNO. Use return 0; instead of /* fallthrough */.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-12 Jakub Jelinek <jakub@redhat.com>
PR target/105214
* config/i386/i386-expand.c (ix86_emit_i387_log1p): Call
do_pending_stack_adjust.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-12 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/105211
* builtins.c (expand_builtin_int_roundingfn_2): If mathfn_built_in_1
fails for TREE_TYPE (arg), retry it with
TREE_VALUE (TYPE_ARG_TYPES (TREE_TYPE (fndecl))) and if even that
fails, emit call normally.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/105189
* fold-const.c (make_range_step): Fix up handling of
(unsigned) x +[low, -] ranges for signed x if low fits into
typeof (x).
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-06 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/104985
* combine.c (struct undo): Add where.regno member.
(do_SUBST_MODE): Rename to ...
(subst_mode): ... this. Change first argument from rtx * into int,
operate on regno_reg_rtx[regno] and save regno into where.regno.
(SUBST_MODE): Remove.
(try_combine): Use subst_mode instead of SUBST_MODE, change first
argument from regno_reg_rtx[whatever] to whatever. For UNDO_MODE, use
regno_reg_rtx[undo->where.regno] instead of *undo->where.r.
(undo_to_marker): For UNDO_MODE, use regno_reg_rtx[undo->where.regno]
instead of *undo->where.r.
(simplify_set): Use subst_mode instead of SUBST_MODE, change first
argument from regno_reg_rtx[whatever] to whatever.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-04-03 Jakub Jelinek <jakub@redhat.com>
PR target/105123
* config/i386/i386-expand.c (ix86_expand_vector_init_general): Avoid
using word as target for expand_simple_binop when doing ASHIFT and
IOR.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-30 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/105093
* ubsan.c (instrument_object_size): If t is equal to inner and
is a decl other than global var, punt. When emitting call to
UBSAN_OBJECT_SIZE ifn, make sure base is addressable.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/105094
* gimple-ssa-store-merging.c (mem_valid_for_store_merging): Punt if
bitsize <= 0 rather than just == 0.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-19 Jakub Jelinek <jakub@redhat.com>
PR middle-end/104971
* config/i386/i386-expand.c
(ix86_expand_builtin) <case IX86_BUILTIN_READ_FLAGS>: If ignore,
don't push/pop anything and just return const0_rtx.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-16 Jakub Jelinek <jakub@redhat.com>
PR target/104910
* config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Copy
imm rtx.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-15 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/104814
* ifcvt.c (find_if_case_1, find_if_case_2): Punt if test_bb doesn't
end with onlyjump_p. Assume BB_END (test_bb) is always non-NULL.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-09 Jakub Jelinek <jakub@redhat.com>
PR c/104711
* doc/invoke.texi (-Wextra): Document that -Wshift-negative-value
is enabled by it only for C++11 to C++17 rather than for C++03 or
later.
(-Wshift-negative-value): Similarly (except here we stated
that it is enabled for C++11 or later).
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-03-07 Jakub Jelinek <jakub@redhat.com>
PR target/104775
* config/s390/s390.md (*cmp_and_trap_unsigned_int<mode>): Use
S constraint instead of T in the last alternative.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-25 Jakub Jelinek <jakub@redhat.com>
Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/104675
* match.pd (t * 2U / 2 -> t & (~0 / 2), t / 2U * 2 -> t & ~1):
Restrict simplifications to INTEGRAL_TYPE_P.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-25 Jakub Jelinek <jakub@redhat.com>
PR target/104681
* config/rs6000/vector.md (movmisalign<mode>): Use rs6000_emit_move.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-25 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/104675
* match.pd (-A - 1 -> ~A, -1 - A -> ~A): Don't simplify for
COMPLEX_TYPE.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-19 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/102656
* asan.c (instrument_derefs): If inner is a RESULT_DECL and access is
known to be within bounds, treat it like automatic variables.
If instrumenting access and inner is {VAR,PARM,RESULT}_DECL from
current function and !TREE_STATIC which is not TREE_ADDRESSABLE, mark
it addressable.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-17 Jakub Jelinek <jakub@redhat.com>
PR debug/104557
* valtrack.c (debug_lowpart_subreg): Don't call gen_rtx_raw_SUBREG
if expr has VOIDmode.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-16 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/104544
* combine.c (try_combine): When looking for insn whose links
should be updated from i3 to i2, don't stop on debug insns, instead
skip over them.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-15 Jakub Jelinek <jakub@redhat.com>
PR debug/104517
* omp-low.c (task_cpyfns): New variable.
(delete_omp_context): Don't call finalize_task_copyfn from here.
(create_task_copyfn): Push task_stmt into task_cpyfns.
(execute_lower_omp): Call finalize_task_copyfn here on entries from
task_cpyfns vector and release the vector.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-12 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/104449
* asan.c: Include tree-eh.h.
(handle_builtin_alloca): Handle the case when __builtin_alloca or
__builtin_alloca_with_align can throw.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-12 Jakub Jelinek <jakub@redhat.com>
PR target/104502
* config/i386/i386.md (cvtsd2ss splitter): If operands[1] is xmm16+
and AVX512VL isn't available, move operands[1] to operands[0] first.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-11 Jakub Jelinek <jakub@redhat.com>
PR middle-end/104446
* combine.c (subst): Don't substitute CONST_INTs into RTX_AUTOINC
operands.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-02-08 Jakub Jelinek <jakub@redhat.com>
PR target/102140
* config/rs6000/rs6000.c (vspltis_shifted): Return false also if
split1 pass has finished already.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-01-28 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/104263
* gimple-ssa-store-merging.c (get_status_for_store_merging): For
cfun->can_throw_non_call_exceptions && cfun->eh test whether
last non-debug stmt in the bb is store_valid_for_store_merging_p
rather than last stmt.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-01-21 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/102478
* optabs.c (prepare_cmp_insn): If !can_create_pseudo_p (), don't
force_reg constants and for -fnon-call-exceptions fail if copy_to_reg
would be needed.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-01-19 Jakub Jelinek <jakub@redhat.com>
PR middle-end/102860
* match.pd (x %[fl] y -> x % y): New simplification for
unsigned integral types.
* optabs-tree.c (optab_for_tree_code): Return unknown_optab
for {CEIL,FLOOR,ROUND}_{DIV,MOD}_EXPR with VECTOR_TYPE.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-01-06 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/103908
* ifcvt.c (bb_valid_for_noce_process_p): Punt on bbs ending with
asm goto.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-12-30 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/103860
* shrink-wrap.c (try_shrink_wrapping): Make sure can_get_prologue is
called on pro even if nothing further is pushed into vec.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-12-28 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/103837
* loop-invariant.c (can_move_invariant_reg): Ignore DEBUG_INSNs in
the decisions whether to return false or continue and right before
returning true reset those debug insns that previously caused
returning false.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-27 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/103435
* gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Avoid UB if
n->range - rsize == 8, just clear both *cmpnop and *cmpxchg in that
case.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/103384
* omp-general.c (omp_context_selector_matches): For ACCEL_COMPILER,
return 0 for kind(host) and continue for kind(nohost).
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/102431
* gimplify.c (replace_reduction_placeholders): Remove.
(note_no_context_vars): New function.
(gimplify_omp_loop): For OMP_PARALLEL's BIND_EXPR create a new
BLOCK. Use copy_tree_body_r with walk_tree instead of unshare_expr
and replace_reduction_placeholders for duplication of
OMP_CLAUSE_REDUCTION_{INIT,MERGE} expressions. Ensure all mentioned
automatic vars have DECL_CONTEXT set to non-NULL before doing so
and reset it afterwards for those vars and their corresponding
vars.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-17 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/103192
* tree-ssa-loop-im.c (move_computations_worker): Use
reset_flow_sensitive_info instead of manually clearing
SSA_NAME_RANGE_INFO and do it for all SSA_NAMEs, not just ones
with integral types.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-15 Jakub Jelinek <jakub@redhat.com>
PR target/103205
* config/i386/sync.md (atomic_bit_test_and_set<mode>,
atomic_bit_test_and_complement<mode>,
atomic_bit_test_and_reset<mode>): Use OPTAB_WIDEN instead of
OPTAB_DIRECT.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-11-11 Jakub Jelinek <jakub@redhat.com>
PR debug/101378
* dwarf2out.c (field_byte_offset): Do the PCC_BITFIELD_TYPE_MATTERS
handling only for DECL_BIT_FIELD_TYPE decls.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-10-10 Jakub Jelinek <jakub@redhat.com>
PR debug/102441
* var-tracking.c (add_stores): For cselib_sp_derived_value_p values
use MO_VAL_SET if loc is not sp.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-09-28 Jakub Jelinek <jakub@redhat.com>
PR target/102498
* config/i386/i386.c (standard_80387_constant_p): Don't recognize
special 80387 instruction XFmode constants if flag_rounding_math.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-09-15 Jakub Jelinek <jakub@redhat.com>
PR c++/88578
PR c++/102295
* varasm.c (output_constructor_regular_field): Instead of assertion
that array_size_for_constructor result is equal to size of
TREE_TYPE (local->val) in bytes, assert that the type size is greater
or equal to array_size_for_constructor result and use type size as
fieldsize.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-09-08 Jakub Jelinek <jakub@redhat.com>
PR target/102224
* config/i386/i386.md (xorsign<mode>3): If operands[1] is equal to
operands[2], emit abs<mode>2 instead.
(@xorsign<mode>3_1): Add early-clobber for output operand.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-08-23 Jakub Jelinek <jakub@redhat.com>
PR debug/101905
* dwarf2out.c (gen_variable_die): Add DW_AT_location for global
register variables already during early_dwarf if possible.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101624
* ubsan.c (maybe_instrument_pointer_overflow,
instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
PARM_DECLs or RESULT_DECLs.
* sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-23 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/101562
* expmed.c (store_integral_bit_field): Only use movstrict_optab
if the operand isn't paradoxical.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-21 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101535
* gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
contexts in which decl isn't privatized and for ORT_TARGET return
false if decl is mapped.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-20 Jakub Jelinek <jakub@redhat.com>
PR target/101384
* config/rs6000/rs6000.c (vspltis_constant): Accept EASY_VECTOR_MSB
only if step and copies are equal to 1.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-01 Jakub Jelinek <jakub@redhat.com>
PR middle-end/94366
* omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
use boolean_type_node instead of integer_type_node as NE_EXPR type.
(lower_reduction_clauses): Likewise.
2022-05-10 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
2021-05-04 Tobias Burnus <tobias@codesourcery.com>
* omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
&& and || with floating-point and complex arguments.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-14 Jakub Jelinek <jakub@redhat.com>
PR go/101407
* godump.c (godump_str_hash): New type.
(godump_container::pot_dummy_types): Use string_hash instead of
ptr_hash in the hash_set.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-07-01 Jakub Jelinek <jakub@redhat.com>
PR debug/101266
* dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-29 Jakub Jelinek <jakub@redhat.com>
PR c++/101210
* match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
perform the optimization in GENERIC when sanitizing and x has a
reference type.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101167
* omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-21 Jakub Jelinek <jakub@redhat.com>
PR inline-asm/100785
* cfgexpand.c (expand_asm_stmt): If errors are emitted,
remove all inputs, outputs and clobbers from the asm and
set template to "".
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101062
* stor-layout.c (finish_bitfield_layout): Don't add bitfield
representatives in QUAL_UNION_TYPE.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-16 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101062
* stor-layout.c (finish_bitfield_representative): For fields in unions
assume nextf is always NULL.
(finish_bitfield_layout): Compute bit field representatives also in
unions, but handle it as if each bitfield was the only field in the
aggregate.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-15 Jakub Jelinek <jakub@redhat.com>
PR target/101046
* expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-11 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/101008
* simplify-rtx.c (relational_result): New function.
(simplify_logical_relational_operation,
simplify_relational_operation): Use it.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-07 Jakub Jelinek <jakub@redhat.com>
PR target/100887
* fold-const.c (fold_read_from_vector): Return NULL if trying to
read from a CONSTRUCTOR with vector type elements.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-07 Jakub Jelinek <jakub@redhat.com>
PR middle-end/100898
* tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
should copy any arguments. Don't call gimple_call_num_args
on id->call_stmt or call_stmt more than once.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-06-04 Jakub Jelinek <jakub@redhat.com>
PR target/100887
* config/i386/i386-expand.c (ix86_expand_vector_init): Handle
concatenation from half-sized modes with TImode elements.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-05-18 Jakub Jelinek <jakub@redhat.com>
PR c++/100580
* function.c (push_dummy_function): Set DECL_ARTIFICIAL and
DECL_ASSEMBLER_NAME on the fn_decl.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-05-15 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/100342
* regcprop.c (copy_value): When copying a source reg in a wider
mode than it has recorded for the value, adjust recorded destination
mode too or punt if !REG_CAN_CHANGE_MODE_P.
2022-05-10 liuhongt <hongtao.liu@intel.com>
Backported from master:
2021-01-21 liuhongt <hongtao.liu@intel.com>
PR rtl-optimization/98694
* regcprop.c (copy_value): If SRC had been assigned a mode
narrower than the copy, we can't link DEST into the chain even
they have same hard_regno_nregs(i.e. HImode/SImode in i386
backend).
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-05-12 Jakub Jelinek <jakub@redhat.com>
PR middle-end/100508
* cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
type, don't reuse DECL_RTL if it has different mode, instead force
creation of a new DEBUG_EXPR.
2022-05-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-05-11 Jakub Jelinek <jakub@redhat.com>
PR middle-end/100471
* omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
is 0, bypass the reduction loop including
GOMP_taskgroup_reduction_unregister call.
2022-05-10 Eric Botcazou <ebotcazou@adacore.com>
PR target/105292
* config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Return
true only for 8-byte vector modes.
2022-05-06 Michael Meissner <meissner@linux.ibm.com>
Backported from master:
2022-05-06 Michael Meissner <meissner@linux.ibm.com>
PR target/102059
* config/rs6000/rs6000.c (rs6000_can_inline_p): Ignore -mpower8-fusion
option for inlining purposes.
2022-05-06 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/105198
* tree-predcom.c (find_looparound_phi): Check whether
the found memory location of the entry value is clobbered
inbetween the value we want to use and loop entry.
2022-05-06 Richard Biener <rguenther@suse.de>
Backported from master:
2022-02-07 Richard Biener <rguenther@suse.de>
PR middle-end/104402
* gimple-expr.c (is_gimple_condexpr): _Complex typed
compares are not valid.
* tree-cfg.c (verify_gimple_assign_ternary): For COND_EXPR
check is_gimple_condexpr.
2022-04-27 Hongyu Wang <hongyu.wang@intel.com>
Backported from master:
2022-04-25 Hongyu Wang <hongyu.wang@intel.com>
PR target/105339
* config/i386/avx512fintrin.h (_mm512_scalef_round_pd):
Add parentheses for parameters and djust format.
(_mm512_mask_scalef_round_pd): Ditto.
(_mm512_maskz_scalef_round_pd): Ditto.
(_mm512_scalef_round_ps): Ditto.
(_mm512_mask_scalef_round_ps): Ditto.
(_mm512_maskz_scalef_round_ps): Ditto.
(_mm_scalef_round_sd): Use _mm_undefined_pd.
(_mm_scalef_round_ss): Use _mm_undefined_ps.
(_mm_mask_scalef_round_sd): New macro.
(_mm_mask_scalef_round_ss): Ditto.
(_mm_maskz_scalef_round_sd): Ditto.
(_mm_maskz_scalef_round_ss): Ditto.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2022-01-20 Richard Biener <rguenther@suse.de>
PR middle-end/100786
* gimple-fold.c (get_symbol_constant_value): Only return
values of compatible type to the symbol.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2021-11-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/103361
* gimple-loop-jam.c (adjust_unroll_factor): Use lambda_int
for the dependence distance.
* tree-data-ref.c (print_lambda_vector): Properly print a lambda_int.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2021-12-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/103596
* tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
Note we are not propagating into a PHI argument to may_propagate_copy.
* tree-ssa-propagate.h (may_propagate_copy): Add
argument specifying whether we propagate into a PHI arg.
* tree-ssa-propagate.c (may_propagate_copy): Likewise.
When not doing so we can replace an abnormal with
something else.
(may_propagate_into_stmt): Update may_propagate_copy calls.
(replace_exp_1): Move propagation checking code to
propagate_value and rename to ...
(replace_exp): ... this and elide previous wrapper.
(propagate_value): Perform checking with adjusted
may_propagate_copy call and dispatch to replace_exp.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2022-02-03 Richard Biener <rguenther@suse.de>
PR debug/104337
* tree-nrv.c (pass_nrv::execute): Remove tieing result and found
together via DECL_ABSTRACT_ORIGIN.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2022-03-09 Richard Biener <rguenther@suse.de>
PR middle-end/104786
* cfgexpand.c (expand_asm_stmt): Do not generate a copy
for VLAs without an upper size bound.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2022-04-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/105226
* tree-vect-loop-manip.c (vect_loop_versioning): Verify
we can split the exit of an outer loop we choose to version.
2022-04-21 Richard Biener <rguenther@suse.de>
Backported from master:
2022-03-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/105070
* tree-switch-conversion.h
(bit_test_cluster::hoist_edge_and_branch_if_true): Add location
argument.
* tree-switch-conversion.c
(bit_test_cluster::hoist_edge_and_branch_if_true): Annotate
cond with location.
(bit_test_cluster::emit): Annotate all generated expressions
with location.
2022-04-05 Martin Jambor <mjambor@suse.cz>
Backported from master:
2022-03-31 Martin Jambor <mjambor@suse.cz>
PR ipa/103083
* ipa-prop.h (ipa_ancestor_jf_data): New flag keep_null;
(ipa_get_jf_ancestor_keep_null): New function.
* ipa-prop.c (ipa_set_ancestor_jf): Initialize keep_null field of the
ancestor function.
(compute_complex_assign_jump_func): Pass false to keep_null
parameter of ipa_set_ancestor_jf.
(compute_complex_ancestor_jump_func): Pass true to keep_null
parameter of ipa_set_ancestor_jf.
(update_jump_functions_after_inlining): Carry over keep_null from the
original ancestor jump-function or merge them.
(ipa_write_jump_function): Stream keep_null flag.
(ipa_read_jump_function): Likewise.
(ipa_print_node_jump_functions_for_edge): Print the new flag.
* ipa-cp.c (class ipcp_bits_lattice): Make various getters const. New
member function known_nonzero_p.
(ipcp_bits_lattice::known_nonzero_p): New.
(ipcp_bits_lattice::meet_with_1): New parameter drop_all_ones,
observe it.
(ipcp_bits_lattice::meet_with): Likewise.
(propagate_bits_across_jump_function): Simplify. Pass true in
drop_all_ones when it is necessary.
(propagate_aggs_across_jump_function): Take care of keep_null
flag.
(ipa_get_jf_ancestor_result): Propagate NULL accross keep_null
jump functions.
2022-03-26 H.J. Lu <hjl.tools@gmail.com>
Backported from master:
2022-03-26 H.J. Lu <hjl.tools@gmail.com>
PR target/105052
* config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
Replace "Yv" with "x".
(ssse3_ph<plusminus_mnemonic>dv2si3): Likewise.
(ssse3_psign<mode>3): Likewise.
2022-03-18 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2022-03-04 Peter Bergner <bergner@linux.ibm.com>
PR target/87496
PR target/104208
* config/rs6000/rs6000.c (rs6000_option_override_internal): Make the
ISA 2.06 requirement for -mabi=ieeelongdouble conditional on
-mlong-double-128.
Move the -mabi=ieeelongdouble and -mabi=ibmlongdouble error checking
from here...
* common/config/rs6000/rs6000-common.c (rs6000_handle_option):
... to here.
2022-03-16 Richard Biener <rguenther@suse.de>
Backported from master:
2022-02-09 Richard Biener <rguenther@suse.de>
PR target/104453
* config/i386/i386.c (ix86_gimple_fold_builtin): Guard shift
folding for NULL LHS.
2022-03-16 Richard Biener <rguenther@suse.de>
Backported from master:
2022-02-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/104511
* tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
touching DFP <-> FP conversions.
2022-03-16 Richard Biener <rguenther@suse.de>
Backported from master:
2022-01-20 Richard Biener <rguenther@suse.de>
PR target/100784
* config/i386/i386.c (ix86_gimple_fold_builtin): Check for
LHS before folding __builtin_ia32_shufpd and friends.
2022-03-12 Michael Meissner <meissner@the-meissners.org>
PR target/99708
* config/rs6000/rs6000-c.c: Revert 2022-03-05 patch.
2022-03-06 Michael Meissner <meissner@the-meissners.org>
PR target/104253
* config/rs6000/rs6000.c (init_float128_ibm): Update the
conversion functions used to convert IFmode types. Backport
change made to the master branch on 2022-02-14.
2022-03-06 Michael Meissner <meissner@the-meissners.org>
PR target/99708
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
__SIZEOF_IBM128__ if the IBM 128-bit long double type is created.
Define __SIZEOF_FLOAT128__ if the IEEE 128-bit floating point type
is created. Backport change to master branch on 2022-02-17.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-11-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/103237
* tree-vect-loop.c (vect_is_simple_reduction): Fail for
double reductions with multiple inner loop LC PHI nodes.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-11-22 Richard Biener <rguenther@suse.de>
PR middle-end/103181
PR middle-end/103248
* tree-eh.c (operation_could_trap_helper_p): Properly
check vector constants for a zero element for integer
division. Separate floating point and integer division code.
Properly handle fixed-point RDIV_EXPR.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-11-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/102798
* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
Only copy points-to info to newly generated SSA names.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-10-15 Richard Biener <rguenther@suse.de>
PR ipa/102762
* tree-inline.c (copy_bb): Avoid underflowing nargs.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-06-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/100923
* tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
the operand vector to be valueized.
(valueize_refs): Likewise.
(valueize_shared_reference_ops_from_ref): Adjust.
(valueize_shared_reference_ops_from_call): Likewise.
(vn_reference_lookup_3): Likewise.
(vn_reference_lookup_pieces): Likewise. Re-valueize
with honoring availability when we are about to create
the ao_ref and valueized before.
(vn_reference_lookup): Likewise.
(vn_reference_insert_pieces): Adjust.
2022-02-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-06-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/101158
* tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
checking after checking for matching operation.
2022-02-15 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2022-02-07 Kewen Lin <linkw@linux.ibm.com>
PR target/103627
* config/rs6000/rs6000.c (rs6000_option_override_internal): Move the
hunk affecting VSX and ALTIVEC to appropriate place.
2022-02-15 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2022-02-07 Kewen Lin <linkw@linux.ibm.com>
PR target/103627
* config/rs6000/rs6000.c (rs6000_option_override_internal): Disable
MMA if !TARGET_VSX.
2022-02-14 Maciej W. Rozycki <macro@embecosm.com>
Backported from master:
2022-02-08 Maciej W. Rozycki <macro@embecosm.com>
* config/riscv/t-riscv (riscv-sr.o): Add $(TM_H) dependency.
2022-02-13 Alan Modra <amodra@gmail.com>
Backported from master:
2020-10-01 Alan Modra <amodra@gmail.com>
* config/rs6000/ppc-asm.h: Support __PCREL__ code.
2022-02-10 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2022-02-10 Uroš Bizjak <ubizjak@gmail.com>
PR target/104469
* config/i386/sse.md (vec_unpacks_float_lo_v4si):
Change operand 1 constraint to register_operand.
2022-02-09 Uroš Bizjak <ubizjak@gmail.com>
PR target/104458
* config/i386/i386-expand.c (ix86_split_idivmod):
Force operands[2] and operands[3] into a register..
2022-02-09 liuhongt <hongtao.liu@intel.com>
PR target/104451
* config/i386/sse.md (<insn><mode>3): lowpart_subreg
operands[2] from SImode to QImode.
2022-02-03 Sebastian Huber <sebastian.huber@embedded-brains.de>
PR target/104090
* config/rs6000/rs6000.c (rs6000_machine_from_flags): Use also
rs6000_cpu.
2022-02-02 Xi Ruoyao <xry111@mengyan1223.wang>
Backported from master:
2022-02-01 Xi Ruoyao <xry111@mengyan1223.wang>
PR middle-end/95115
* fold-const.c (const_binop): Do not fold NaN result from
non-NaN operands.
2022-01-15 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-11-16 Peter Bergner <bergner@linux.ibm.com>
PR target/102976
* config/rs6000/mma.md (*vsx_assemble_pair): Add early-clobber for
output operand.
(*mma_assemble_acc): Likewise.
2022-01-15 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/mma.md (UNSPEC_VSX_ASSEMBLE): New unspec.
(vsx_assemble_pair): Use mma_assemble_input_operand.
Expand into UNSPEC_VSX_ASSEMBLE wrapper.
(*vsx_assemble_pair): New define_insn_and_split.
* config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle
UNSPEC_VSX_ASSEMBLE.
2022-01-15 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-09-14 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/mma.md (unspecv): Add UNSPECV_MMA_XXSETACCZ.
(*movpxi): Remove 'O' alternative.
(mma_xxsetaccz): Change to define_insn. Use UNSPECV_MMA_XXSETACCZ.
Add comment.
* config/rs6000/rs6000.c (rs6000_rtx_costs): Handle UNSPEC_VOLATILE.
2022-01-14 Eric Botcazou <ebotcazou@adacore.com>
* ipa-param-manipulation.c (ipa_dump_adjusted_parameters): Dump
reverse flag as "reverse" for the sake of consistency.
* ipa-sra.c: Fix copyright year.
(ipa_sra_function_summaries::duplicate): Copy the reverse flag.
(dump_isra_access): Tweak dump line.
(isra_write_node_summary): Write the reverse flag.
(isra_read_node_info): Read it.
(pull_accesses_from_callee): Test its consistency and copy it.
2022-01-12 Richard Biener <rguenther@suse.de>
Backported from master:
2020-11-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/97953
* gimple-ssa-evrp-analyze.c
(evrp_range_analyzer::record_ranges_from_incoming_edge): Make
sure the condition post-dominates the SSA definition before
recording into SSA_NAME_RANGE_INFO.
2022-01-10 Eric Botcazou <ebotcazou@adacore.com>
PR target/103465
* coretypes.h (unwind_info_type): Swap UI_SEH and UI_TARGET.
2021-12-16 Martin Liska <mliska@suse.cz>
Backported from master:
2021-12-15 Martin Liska <mliska@suse.cz>
PR target/103661
* config/i386/i386-builtins.c (fold_builtin_cpu): Compare to 0
as API expects that non-zero values are returned (do that
it mask == 31).
For "avx512vbmi2" argument, we return now 1 << 31, which is a
negative integer value.
2021-12-15 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2021-11-30 Kewen Lin <linkw@linux.ibm.com>
PR target/102347
* config/rs6000/rs6000-call.c (rs6000_builtin_decl): Remove builtin mask
check.
2021-12-01 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-11-30 Martin Jambor <mjambor@suse.cz>
PR ipa/103267
* ipa-sra.c (scan_function): Also check ECF_LOOPING_CONST_OR_PURE flag.
2021-11-30 Eric Botcazou <ebotcazou@adacore.com>
PR target/103274
* config/i386/i386.c (ix86_output_call_insn): Beef up comment about
nops emitted with SEH.
* config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
the cold section, emit a nop before the directive if the previous
active instruction is a call.
2021-11-25 Jan Hubicka <jh@suse.cz>
Backported from master:
2021-11-20 Jan Hubicka <hubicka@ucw.cz>
PR ipa/103052
* ipa-pure-const.c (propagate_pure_const): Fix merging of loping flag.
2021-11-23 Bill Schmidt <wschmidt@linux.ibm.com>
PR target/101985
* config/rs6000/altivec.h (vec_cpsgn): Swap operand order.
2021-11-22 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
Backported from master:
2021-11-19 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/s390.md (define_peephole2): Variable insn points
to the first matched insn. Use peep2_next_insn(1) to refer to
the second matched insn.
2021-11-15 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2021-11-11 Kewen Lin <linkw@linux.ibm.com>
* doc/invoke.texi: Change references to "future cpu" to "power10",
"-mcpu=future" to "-mcpu=power10". Adjust words for float128.
2021-11-09 Richard Biener <rguenther@suse.de>
Backported from master:
2021-10-13 Richard Biener <rguenther@suse.de>
PR ipa/102714
* ipa-sra.c (ptr_parm_has_nonarg_uses): Fix volatileness
check.
2021-11-09 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-19 Richard Biener <rguenther@suse.de>
PR middle-end/100672
* fold-const.c (fold_negate_expr_1): Use element_precision.
(negate_expr_p): Likewise.
2021-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/100253
* tree-vect-stmts.c (vectorizable_load): Do not assume
element alignment when DR_MISALIGNMENT is -1.
(vectorizable_store): Likewise.
2021-11-08 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2021-10-26 Kewen Lin <linkw@linux.ibm.com>
PR tree-optimization/102789
* tree-vect-loop-manip.c (vect_update_inits_of_drs): Do not
update inits of simd_lane_access.
2021-11-03 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/102842
* lra-constraints.c (match_reload): Ignore out in checking values
of outs.
(curr_insn_transform): Collect outputs before doing reloads of operands.
2021-11-02 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-10-21 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/102505
* tree-sra.c (totally_scalarize_subtree): Check that the
encountered field fits within the acces we would like to put it
in.
2021-10-28 Eric Botcazou <ebotcazou@adacore.com>
* doc/invoke.texi (%X): Remove obsolete reference to -Wl.
2021-10-27 Uroš Bizjak <ubizjak@gmail.com>
PR target/102761
* config/i386/i386.c (ix86_print_operand_address):
Error out for non-address_operand asm operands.
2021-10-26 Piotr Kubaj <pkubaj@FreeBSD.org>
Backported from master:
2021-10-16 Piotr Kubaj <pkubaj@FreeBSD.org>
* configure.ac: Treat powerpc64*-*-freebsd* the same as
powerpc64-*-freebsd*.
* configure: Regenerate.
2021-10-24 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.md: Don't use 'G' constraint in integer move patterns.
2021-10-21 H.J. Lu <hjl.tools@gmail.com>
Backported from master:
2021-10-21 H.J. Lu <hjl.tools@gmail.com>
PR target/98667
* doc/invoke.texi: Document -fcf-protection requires i686 or
new.
2021-10-15 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.md: Consistently use "rG" constraint for copy
instruction in move patterns.
2021-10-14 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.md (cbranchsf4): Disable if TARGET_SOFT_FLOAT.
(cbranchdf4): Likewise.
Add missing move patterns for TARGET_SOFT_FLOAT.
2021-10-13 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.md (muldi3): Add support for inlining 64-bit
multiplication on 32-bit PA 1.1 and 2.0 targets.
2021-10-13 Richard Biener <rguenther@suse.de>
Backported from master:
2021-08-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/102046
* tree-vect-slp.c (vect_build_slp_tree_2): Conservatively
update ->any_pattern when swapping operands.
2021-10-13 Richard Biener <rguenther@suse.de>
Backported from master:
2021-08-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/101925
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
reverse on COMPONENT_REF and ARRAY_REF according to
what reverse_storage_order_for_component_p does.
(vn_reference_eq): Compare reversed on reference ops.
(reverse_storage_order_for_component_p): New overload.
(vn_reference_lookup_3): Check reverse_storage_order_for_component_p
on the reference looked up.
2021-10-13 Richard Biener <rguenther@suse.de>
Backported from master:
2021-08-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/101373
PR tree-optimization/101868
* tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
references when the BB may not return.
2021-10-13 Richard Biener <rguenther@suse.de>
Backported from master:
2021-08-10 Richard Biener <rguenther@suse.de>
PR middle-end/101824
* tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
volatile in case the variable was.
2021-10-12 Eric Botcazou <ebotcazou@adacore.com>
PR target/102588
* config/sparc/sparc-modes.def (OI): New integer mode.
2021-10-11 Diane Meirowitz <diane.meirowitz@oracle.com>
Backported from master:
2021-10-11 Diane Meirowitz <diane.meirowitz@oracle.com>
* doc/invoke.texi: Add link to UndefinedBehaviorSanitizer
documentation, mention UBSAN_OPTIONS, similar to what is done
for AddressSanitizer.
2021-10-11 Andrew Pinski <apinski@marvell.com>
PR tree-optimization/102622
* tree-ssa-phiopt.c (conditional_replacement): Set neg
to false for one bit signed types.
2021-10-01 Eric Botcazou <ebotcazou@adacore.com>
* explow.c: Include langhooks.h.
(set_stack_check_libfunc): Build a proper function type.
2021-10-01 Eric Botcazou <ebotcazou@adacore.com>
PR c++/64697
* config/i386/i386.c (legitimate_pic_address_disp_p): For PE-COFF do
not return true for external weak function symbols in medium model.
2021-09-22 Kewen Lin <linkw@linux.ibm.com>
Backported from master:
2021-09-22 Kewen Lin <linkw@linux.ibm.com>
* ipa-fnsummary.c (inline_read_section): Unpack a dummy bit
to keep consistent with the side of streaming out.
2021-09-21 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
2021-09-08 Segher Boessenkool <segher@kernel.crashing.org>
PR target/102107
* config/rs6000/rs6000-logue.c (rs6000_emit_epilogue): For ELFv2 use
r11 instead of r12 for restoring CR.
2021-09-21 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
2021-09-03 Segher Boessenkool <segher@kernel.crashing.org>
PR target/102107
* config/rs6000/rs6000-logue.c (rs6000_emit_prologue): On ELFv2 use r11
instead of r12 for CR save, in all cases.
2021-09-17 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/102306
* combine.c (try_combine): Abort the combination if we are about to
duplicate volatile references.
2021-09-16 Daniel Cederman <cederman@gaisler.com>
* config/sparc/sparc-opts.h (enum sparc_processor_type): Add LEON5
* config/sparc/sparc.c (struct processor_costs): Add LEON5 costs
(leon5_adjust_cost): Increase cost of store with data dependency
on ALU instruction and FPU anti-dependencies.
(sparc_option_override): Add LEON5 costs
(sparc_adjust_cost): Add LEON5 cost adjustments
* config/sparc/sparc.h: Add LEON5
* config/sparc/sparc.md: Include LEON5 scheduling information
* config/sparc/sparc.opt: Add LEON5
* doc/invoke.texi: Add LEON5
* config/sparc/leon5.md: New file.
2021-09-16 Daniel Cederman <cederman@gaisler.com>
* config/sparc/sparc.md (stack_protect_setsi): Add NOP to prevent
sensitive sequence for B2BST errata workaround.
2021-09-16 Daniel Cederman <cederman@gaisler.com>
* config/sparc/sparc.c (sparc_do_work_around_errata): Do not begin
functions with atomic instruction in the UT700 errata workaround.
2021-09-16 Daniel Cederman <cederman@gaisler.com>
* config/sparc/sparc.c (next_active_non_empty_insn): New function
that returns next active non empty assembly instruction.
(sparc_do_work_around_errata): Use new function.
2021-09-16 Daniel Cederman <cederman@gaisler.com>
* config/sparc/sparc.c (store_insn_p): Add predicate for store
attributes.
(load_insn_p): Add predicate for load attributes.
(sparc_do_work_around_errata): Use new predicates.
2021-09-16 Andreas Larsson <andreas@gaisler.com>
* config/sparc/sparc.c (dump_target_flag_bits): Print bit names for
LEON and LEON3.
2021-09-14 Xionghu Luo <luoxhu@linux.ibm.com>
Backported from master:
2021-09-07 Xionghu Luo <luoxhu@linux.ibm.com>
PR target/97142
* config/rs6000/rs6000.md (fmod<mode>3): New define_expand.
(remainder<mode>3): Likewise.
2021-09-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-09-08 Jonathan Wakely <jwakely@redhat.com>
PR c++/60318
* doc/trouble.texi (Copy Assignment): Fix description of
behaviour and fix code in example.
2021-09-06 Richard Biener <rguenther@suse.de>
Backported from master:
2021-07-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/101394
* tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
copies from abnormals for a full redundancy.
2021-09-06 Richard Biener <rguenther@suse.de>
Backported from master:
2021-07-05 Richard Biener <rguenther@suse.de>
PR middle-end/101291
* cfgloopmanip.c (loop_version): Set the loop copy of the
versioned loop to the new loop.
2021-09-06 Richard Biener <rguenther@suse.de>
Backported from master:
2021-07-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/101173
PR tree-optimization/101280
* gimple-loop-interchange.cc
(tree_loop_interchange::valid_data_dependences): Properly
guard all dependence checks with DDR_REVERSED_P or its
inverse.
2021-09-06 Richard Biener <rguenther@suse.de>
Backported from master:
2021-06-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/101105
* tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
Only ignore steps when they are equal or scalar order is preserved.
2021-09-06 Richard Biener <rguenther@suse.de>
Backported from master:
2021-06-11 Richard Biener <rguenther@suse.de>
PR middle-end/101009
* tree-data-ref.c (build_classic_dist_vector_1): Make sure
to set *init_b to true when we encounter a constant equal
index pair.
(compute_affine_dependence): Also dump the actual DR_REF.
2021-09-03 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-08-19 Peter Bergner <bergner@linux.ibm.com>
PR target/101849
* config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
pointer to __vector_pair *.
2021-09-03 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-07-07 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
and VSX_BUILTIN_STXVP.
2021-09-03 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-07-02 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
New macros.
(__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
* config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
lxvp and stxvp built-ins.
(mma_init_builtins): Handle lxvp and stxvp built-ins.
(builtin_function_type): Likewise.
* doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
2021-09-03 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/rs6000-call.c (mma_init_builtins): Test for
MMA_BUILTIN_DISASSEMBLE_ACC and VSX_BUILTIN_DISASSEMBLE_PAIR.
(rs6000_gimple_fold_mma_builtin): Likewise.
2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
Backported from master:
2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
* tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
2021-08-27 konglin1 <lingling.kong@intel.com>
PR target/101472
* config/i386/sse.md: (<avx512>scattersi<mode>): Add mask operand to
UNSPEC_VSIBADDR.
(<avx512>scattersi<mode>): Likewise.
(*avx512f_scattersi<VI48F:mode>): Merge mask operand to set_dest.
(*avx512f_scatterdi<VI48F:mode>): Likewise
2021-08-25 konglin1 <lingling.kong@intel.com>
PR target/101471
* config/i386/avx512dqintrin.h (_mm512_fpclass_ps_mask): Fix
macro define in O0.
(_mm512_mask_fpclass_ps_mask): Ditto.
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
PR target/102035
* config/arm/arm.md (attribute arch): Add fix_vlldm.
(arch_enabled): Use it.
* config/arm/vfp.md (lazy_store_multiple_insn): Add alternative to
use when erratum mitigation is needed.
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
PR target/102035
* config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
* doc/invoke.texi (Arm Options): Document it.
* config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
(ALL_QUIRKS): Add quirk_vlldm.
(cortex-m33): Add quirk_vlldm.
(cortex-m35p, cortex-m55): Likewise.
* config/arm/arm.c (arm_option_override): Enable fix_vlldm if
targetting an affected CPU and not explicitly controlled on
the command line.
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-24 Richard Earnshaw <rearnsha@arm.com>
* config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
(lazy_load_multiple_insn): Likewise.
2021-08-24 Richard Biener <rguenther@suse.de>
Backported from master:
2021-08-23 Richard Biener <rguenther@suse.de>
PR ipa/97565
* tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition
in addition to has_gimple_body.
2021-08-23 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-05 Richard Earnshaw <rearnsha@arm.com>
PR target/101723
* config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
writing .cpu directive in asm output.
* config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
(arm_last_printed_arch_string): Delete.
(arm_last-printed_fpu_string): Delete.
(arm_configure_build_target): If use of floating-point/SIMD is
disabled, remove all fp/simd related features from the target ISA.
(last_arm_targ_options): New variable.
(arm_print_asm_arch_directives): Add new parameters. Change order
of emitted directives and handle all cases here.
(arm_file_start): Always call arm_print_asm_arch_directives, move
all generation of .arch/.arch_extension here.
(arm_file_end): Call arm_print_asm_arch.
(arm_declare_function_name): Call arm_print_asm_arch_directives
instead of printing .arch/.fpu directives directly.
2021-08-23 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-05 Richard Earnshaw <rearnsha@arm.com>
* config/arm/arm.c (arm_configure_build_target): Don't call
arm_option_reconfigure_globals.
(arm_option_restore): Call arm_option_reconfigure_globals after
reconfiguring the target.
* config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
2021-08-23 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-08-05 Richard Earnshaw <rearnsha@arm.com>
* config/arm/arm.c (arm_configure_build_target): Ensure the target's
arch_name is always set.
2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
Backported from master:
2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
* config/arm/arm_mve.h: Fix __arm_vctp16q return type.
2021-08-19 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-05-27 Richard Earnshaw <rearnsha@arm.com>
PR target/100767
* config/arm/arm.c (arm_configure_build_target): Remove parameter
opts_set, directly check opts parameters for being non-null.
(arm_option_restore): Update call to arm_configure_build_target.
(arm_option_override): Likewise.
(arm_can_inline_p): Likewise.
(arm_valid_target_attribute_tree): Likewise.
* config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
* config/arm/arm-protos.h (arm_configure_build_target): Adjust
prototype.
2021-08-17 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-08-03 Richard Sandiford <richard.sandiford@arm.com>
* doc/invoke.texi: Document -mtune=neoverse-512tvb and
-mcpu=neoverse-512tvb.
* config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
* config/aarch64/aarch64-tune.md: Regenerate.
2021-08-17 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-04-28 Richard Sandiford <richard.sandiford@arm.com>
PR target/100305
* config/aarch64/constraints.md (Utq): Require the address to
be valid for both the element mode and for V2DImode.
2021-08-13 Martin Liska <mliska@suse.cz>
PR gcov-profile/100788
* coverage.c (coverage_begin_function): Update function
beginning when #line macro is used.
2021-07-31 Xi Ruoyao <xry111@mengyan1223.wang>
Backported from master:
2021-07-30 Xi Ruoyao <xry111@mengyan1223.wang>
PR target/94780
* config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
TARGET_EXPR instead of MODIFY_EXPR.
2021-07-28 Martin Sebor <msebor@redhat.com>
PR c/99295
* doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
property.
2021-07-20 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-07-08 Martin Jambor <mjambor@suse.cz>
PR ipa/101066
* ipa-sra.c (class isra_call_summary): New member
m_before_any_store, initialize it in the constructor.
(isra_call_summary::dump): Dump the new field.
(ipa_sra_call_summaries::duplicate): Copy it.
(process_scan_results): Set it.
(isra_write_edge_summary): Stream it.
(isra_read_edge_summary): Likewise.
(param_splitting_across_edge): Only override
safe_to_import_accesses if m_before_any_store is set.
2021-07-20 Uroš Bizjak <ubizjak@gmail.com>
PR target/100182
* config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
Remove.
(define_peephole2 atomic_loaddi_fpu): Ditto.
2021-07-19 Bill Schmidt <wschmidt@linux.ibm.com>
PR target/101129
* config/rs6000/rs6000-p8swap.c (has_part_mult): New.
(rs6000_analyze_swaps): Insns containing a subreg of a mult are
not swappable.
2021-07-19 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/99927
* combine.c (distribute_notes) [REG_UNUSED]: If the register already
is dead, just drop it.
2021-07-02 Eric Botcazou <ebotcazou@adacore.com>
* config/i386/i386.c (asm_preferred_eh_data_format): Always use the
PIC encodings for PE-COFF targets.
2021-06-24 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2021-06-23 Uroš Bizjak <ubizjak@gmail.com>
PR target/101175
* config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
(bsr): Ditto.
(*bsrhi): Remove.
(clz<mode>2): Update RTX pattern for additions.
2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Backported from master:
2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
PR target/100856
* common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
derived from arm_canon_arch.
(arm_canon_arch_option): Call it.
(arm_canon_arch_multilib_option): New function.
* config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
* config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
(CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
(MULTILIB_ARCH_CANONICAL_SPECS): New macro.
(DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
* config/arm/arm.opt (mlibarch): New option.
* config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
of march on RHS with mlibarch.
2021-06-18 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Backported from master:
2021-06-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
PR target/101016
* config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
the polymorphic variants matching code.
(__arm_vld1q_z): Likewise.
(__arm_vld2q): Likewise.
(__arm_vld4q): Likewise.
(__arm_vldrbq_gather_offset): Likewise.
(__arm_vldrbq_gather_offset_z): Likewise.
2021-06-18 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-06-14 Peter Bergner <bergner@linux.ibm.com>
PR target/100777
* config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
create_tmp_reg_or_ssa_name().
2021-06-18 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-06-10 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/rs6000-builtin.def (build_pair): New built-in.
(build_acc): Likewise.
* config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
source operands in little-endian mode.
(rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
(mma_init_builtins): Likewise.
* config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
ordering for the MMA assemble and build source operands.
* doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
Document.
(__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
documentation.
2021-06-18 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-05-31 Peter Bergner <bergner@linux.ibm.com>
PR target/99842
* config/rs6000/predicates.md(mma_assemble_input_operand): Allow
indexed form addresses.
2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
Backported from master:
2021-06-17 Marius Hillenbrand <mhillen@linux.ibm.com>
PR target/100871
* config/s390/vecintrin.h (vec_doublee): Fix to use
__builtin_s390_vflls.
(vec_floate): Fix to use __builtin_s390_vflrd.
2021-06-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-06-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/100934
* tree-ssa-dom.c (pass_dominator::execute): Properly
mark irreducible regions.
2021-06-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-28 Richard Biener <rguenther@suse.de>
PR ipa/100791
* tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
copy fntype from original call.
2021-06-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-11 Richard Biener <rguenther@suse.de>
PR ipa/100513
* ipa-param-manipulation.c
(ipa_param_body_adjustments::modify_call_stmt): Avoid
altering SSA_NAME_DEF_STMT by adjusting the calls LHS
via gimple_call_lhs_ptr.
2021-06-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-11 Richard Biener <rguenther@suse.de>
PR middle-end/100509
* gimple-fold.c (fold_gimple_assign): Only call
get_symbol_constant_value on register type symbols.
2021-06-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/100492
* tree-loop-distribution.c (find_seed_stmts_for_distribution):
Find nothing when the loop contains an irreducible region.
2021-06-04 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-05-19 Alex Coplan <alex.coplan@arm.com>
PR target/100333
* config/arm/arm.md (nonsecure_call_internal): Always ensure
callee's address is in a register.
2021-06-02 Vladimir N. Makarov <vmakarov@redhat.com>
Backported from master:
2021-01-21 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/98777
* lra-int.h (lra_pmode_pseudo): New extern.
* lra.c (lra_pmode_pseudo): New global.
(lra): Set it up.
* lra-eliminations.c (eliminate_regs_in_insn): Use it.
2021-06-02 Vladimir N. Makarov <vmakarov@redhat.com>
Backported from master:
2021-01-20 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/98722
* lra-eliminations.c (eliminate_regs_in_insn): Check that target
has no 3-op add insn to transform insns containing two pluses.
2021-06-02 Vladimir N. Makarov <vmakarov@redhat.com>
Backported from master:
2021-01-12 Vladimir N. Makarov <vmakarov@redhat.com>
PR target/97969
* lra-eliminations.c (eliminate_regs_in_insn): Add transformation
of pattern 'plus (plus (hard reg, const), pseudo)'.
2021-06-02 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2021-06-02 Uroš Bizjak <ubizjak@gmail.com>
* config/i386/sse.md (abs<MMXMODEI:mode>2):
Change define_insn to define_expand.
2021-06-01 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-05-11 Alex Coplan <alex.coplan@arm.com>
PR target/99725
* config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
Avoid emitting CFA adjusts on the sp if we have the fp.
2021-05-25 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-05-10 Alex Coplan <alex.coplan@arm.com>
PR target/99960
* config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
2021-05-20 Alex Coplan <alex.coplan@arm.com>
Christophe Lyon <christophe.lyon@linaro.org>
PR target/99977
* config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
with negative immediates: ensure we expand cbranchsi4_scratch
correctly and ensure we satisfy its constraints.
* config/arm/sync.md
(@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
attempt to tie two output operands together with constraints;
collapse two alternatives.
(@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
* config/arm/thumb1.md (cbranchsi4_neg_late): New.
2021-05-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-05-19 Jonathan Wakely <jwakely@redhat.com>
* doc/cpp.texi (Common Predefined Macros): Update documentation
for the __GXX_EXPERIMENTAL_CXX0X__ macro.
2021-05-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-28 Richard Biener <rguenther@suse.de>
PR rtl-optimization/80960
* dse.c (check_mem_read_rtx): Call get_addr on the
offsetted address.
2021-05-17 Richard Biener <rguenther@suse.de>
Backported from master:
2021-05-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/100566
* tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
allow_back for all edge queries.
2021-05-13 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Backported from master:
2021-05-11 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Joe Ramsay <joe.ramsay@arm.com>
PR target/100419
* config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
(__arm_vcmpneq): Remove duplicate definition.
(__arm_vstrwq_scatter_offset_p): Likewise.
(__arm_vmaxq_x): Likewise.
(__arm_vmlsdavaq): Likewise.
(__arm_vmlsdavaxq): Likewise.
(__arm_vmlsdavq_p): Likewise.
(__arm_vmlsdavxq_p): Likewise.
(__arm_vrmlaldavhaq): Likewise.
(__arm_vstrbq_p): Likewise.
(__arm_vstrbq_scatter_offset): Likewise.
(__arm_vstrbq_scatter_offset_p): Likewise.
(__arm_vstrdq_scatter_offset): Likewise.
(__arm_vstrdq_scatter_offset_p): Likewise.
(__arm_vstrdq_scatter_shifted_offset): Likewise.
(__arm_vstrdq_scatter_shifted_offset_p): Likewise.
2021-05-13 Richard Earnshaw <rearnsha@arm.com>
PR target/100563
* config/arm/arm.c (arm_canonicalize_comparison): Correctly
canonicalize DImode inequality comparisons against the
maximum integral value.
2021-05-12 Martin Sebor <msebor@redhat.com>
PR middle-end/100571
* calls.c (maybe_warn_rdwr_sizes): Clear object size if it can't
be determined.
2021-05-12 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-05-11 Alex Coplan <alex.coplan@arm.com>
PR target/99988
* config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
(rest_of_insert_bti): Avoid inserting duplicate bti j insns for
jump table targets.
2021-05-11 Geng Qi <gengqi@linux.alibaba.com>
Backported from master:
2021-04-30 Geng Qi <gengqi@linux.alibaba.com>
* config/riscv/riscv.opt (march=,mabi=): Negative itself.
2021-05-10 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
2021-04-20 Segher Boessenkool <segher@kernel.crashing.org>
PR target/100108
* config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
OPTION_MASK_ISEL.
2021-05-06 Roman Zhuykov <zhroma@ispras.ru>
Backported from master:
2021-04-30 Roman Zhuykov <zhroma@ispras.ru>
PR rtl-optimization/100225
PR rtl-optimization/84878
* modulo-sched.c (sms_schedule): Use note_stores to skip loops
where we have an instruction which touches (writes) any hard
register from df->regular_block_artificial_uses set.
Allow not-single-set instruction only right before basic block
tail.
2021-05-06 Andre Vieira <andre.simoesdiasvieira@arm.com>
Backported from master:
2020-09-15 Andre Vieira <andre.simoesdiasvieira@arm.com>
* config/arm/arm.c (arm_options_perform_arch_sanity_checks): Do not
check +D32 for CMSE if -mfloat-abi=soft
2021-05-06 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Backported from master:
2020-06-23 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR target/95646
* config/arm/arm.c: (cmse_nonsecure_entry_clear_before_return): Use
'callee_saved_reg_p' instead of 'calL_used_or_fixed_reg_p'.
2021-05-05 Eric Botcazou <ebotcazou@adacore.com>
PR target/100402
* config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
always return the establisher frame for __builtin_frame_address (0).
2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
Backported from master:
2021-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
PR rtl-optimization/100263
* postreload.c (move2add_valid_value_p): Ensure register can
change mode.
2021-05-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/98786
* tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
adding new uses of abnormals.
2021-05-05 Richard Biener <rguenther@suse.de>
Backported from master:
2021-04-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/100278
* tree-ssa-pre.c (compute_avail): Give up when we cannot
adjust TBAA beacuse of mismatching bases.
2021-05-04 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-05-02 Jakub Jelinek <jakub@redhat.com>
PR target/100375
* config/nvptx/nvptx.c (nvptx_sese_pseudo): Use NULL instead of 0
as first argument of pseudo_node_t constructors.
2021-05-04 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-29 Jakub Jelinek <jakub@redhat.com>
PR target/100302
* config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
absu_hwi instead of abs_hwi.
2021-05-04 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-27 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/100254
* cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
2021-05-04 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-26 Jakub Jelinek <jakub@redhat.com>
PR debug/100255
* vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
register keywords.
2021-05-04 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-04-23 Alex Coplan <alex.coplan@arm.com>
PR rtl-optimization/100230
* early-remat.c (early_remat::sort_candidates): Use delete[]
instead of delete for array allocated with new[].
2021-04-30 David Edelsohn <dje.gcc@gmail.com>
Backported from master:
2021-04-27 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
* config/rs6000/aix64.opt (m64): New.
(m32): New.
2021-04-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/96513
* tree-vect-slp.c (struct vdhs_data): New.
(vect_detect_hybrid_slp): New walker.
(vect_detect_hybrid_slp): Rewrite.
2021-04-29 Richard Earnshaw <rearnsha@arm.com>
Backported from master:
2021-04-28 Richard Earnshaw <rearnsha@arm.com>
PR target/100311
* config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
used in HImode.
2021-04-28 Uros Bizjak <ubizjak@gmail.com>
Backported from master:
2021-04-23 Uroš Bizjak <ubizjak@gmail.com>
PR target/100182
* config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
Copy operand 3 to operand 4. Use sse_reg_operand
as operand 3 predicate.
(FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
(LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
(LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
(FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
Copy operand 1 to operand 0.
(FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
(LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
(LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
2021-04-26 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-04-08 Alex Coplan <alex.coplan@arm.com>
PR target/99647
* config/arm/iterators.md (MVE_vecs): New.
(V_elem): Also handle V2DF.
* config/arm/mve.md (*mve_mov<mode>): Rename to ...
(*mve_vdup<mode>): ... this. Remove second alternative since
vec_duplicate of const_int is not canonical RTL, and we don't
want to match symbol_refs.
(*mve_vec_duplicate<mode>): Delete (pattern is redundant).
2021-04-26 Richard Biener <rguenther@suse.de>
Backported from master:
2021-04-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/100053
* tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
not use optimistic dominance queries for backedges to validate
predicated values.
(dominated_by_p_w_unex): Add parameter to ignore executable
state on backedges.
(rpo_elim::eliminate_avail): Adjust.
2021-04-26 Richard Biener <rguenther@suse.de>
Backported from master:
2021-04-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/99954
* tree-loop-distribution.c: Include tree-affine.h.
(generate_memcpy_builtin): Try using tree-affine to prove
non-overlap.
(loop_distribution::classify_builtin_ldst): Always classify
as PKIND_MEMMOVE.
2021-04-26 Richard Biener <rguenther@suse.de>
Backported from master:
2021-04-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/99880
* tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
set vectorized defs of relevant PHIs.
2021-04-24 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/96796
* lra-constraints.c (in_class_p): Add a default-false
allow_all_reload_class_changes_p parameter. Do not treat
reload moves specially when the parameter is true.
(get_reload_reg): Try to narrow the class of an existing OP_OUT
reload if we're reloading a reload pseudo in a reload instruction.
2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
Backported from master:
2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
* config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
Backported from master:
2021-04-23 YiFei Zhu <zhuyifei1999@gmail.com>
* config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/99929
* rtl.h (same_vector_encodings_p): New function.
* cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
* cselib.c (rtx_equal_for_cselib_1): Likewise.
* jump.c (rtx_renumbered_equal_p): Likewise.
* lra-constraints.c (operands_match_p): Likewise.
* reload.c (operands_match_p): Likewise.
* rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
PR target/98119
* config/aarch64/aarch64.c
(aarch64_vectorize_preferred_vector_alignment): Query the size
of the provided SVE vector; do not assume that all SVE vectors
have the same size.
2021-04-23 Bin Cheng <bin.cheng@linux.alibaba.com>
Backported from master:
2021-04-07 Bin Cheng <bin.cheng@linux.alibaba.com>
PR tree-optimization/98736
* tree-loop-distribution.c
* (loop_distribution::bb_top_order_init):
Compute RPO with programing order preserved by calling function
rev_post_order_and_mark_dfs_back_seme.
2021-04-23 Richard Biener <rguenther@suse.de>
Backported from master:
2020-07-31 Richard Biener <rguenther@suse.de>
* cfganal.h (rev_post_order_and_mark_dfs_back_seme): Adjust
prototype.
* cfganal.c (rpoamdbs_bb_data): New struct with pre BB data.
(tag_header): New helper.
(cmp_edge_dest_pre): Likewise.
(rev_post_order_and_mark_dfs_back_seme): Compute SCCs,
find SCC exits and perform a DFS walk with extra edges to
compute a RPO with adjacent SCC members when requesting an
iteration optimized order and populate the toplevel SCC array.
* tree-ssa-sccvn.c (do_rpo_vn): Remove ad-hoc computation
of max_rpo and fill it in from SCC extent info instead.
2021-04-23 Richard Biener <rguenther@suse.de>
Backported from master:
2020-07-20 Richard Biener <rguenther@suse.de>
* cfganal.c (rev_post_order_and_mark_dfs_back_seme): Remove
write-only post array.
2021-04-23 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-04-06 Alex Coplan <alex.coplan@arm.com>
PR target/99748
* config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
PCS for [su]fix_optab.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-04-14 Richard Sandiford <richard.sandiford@arm.com>
PR target/99249
* config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
New function.
(aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/97141
PR rtl-optimization/98726
* emit-rtl.c (valid_for_const_vector_p): Return true for
CONST_POLY_INT_P.
* rtx-vector-builder.h (rtx_vector_builder::step): Return a
poly_wide_int instead of a wide_int.
(rtx_vector_builder::apply_set): Take a poly_wide_int instead
of a wide_int.
* rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
* config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
false for CONST_VECTORs that cannot be forced to memory.
* config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
is too complex to force to memory, build it up from individual
elements instead.
2021-04-23 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-26 Richard Biener <rguenther@suse.de>
PR middle-end/98726
* tree.h (vector_cst_int_elt): Remove.
* tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
make static.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-03-30 Richard Sandiford <richard.sandiford@arm.com>
PR target/98136
* config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
CONST_INTs to aarch64_expand_mov_immediate when called after RA.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/98268
* gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
recompute_tree_invariant_for_addr_expr after successfully
folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
2021-04-23 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-03-31 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/99726
* tree-data-ref.c (create_intersect_range_checks_index): Bail
out if there is more than one access function SCEV for the loop
being versioned.
2021-04-22 Alex Coplan <alex.coplan@arm.com>
PR target/99216
* config/aarch64/aarch64-sve-builtins.cc
(function_builder::add_function): Add placeholder_p argument, use
placeholder decls if this is set.
(function_builder::add_unique_function): Instead of conditionally adding
direct overloads, unconditionally add either a direct overload or a
placeholder.
(function_builder::add_overloaded_function): Set placeholder_p if we're
using C++ overloads. Use the obstack for string storage instead
of relying on the tree nodes.
(function_builder::add_overloaded_functions): Don't return early for
m_direct_overloads: we need to add placeholders.
* config/aarch64/aarch64-sve-builtins.h
(function_builder::add_function): Add placeholder_p argument.
* lto-streamer.h (LTO_minor_version): Bump.
2021-04-21 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-21 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/100148
* cprop.c (constprop_register): Use next_nondebug_insn instead of
NEXT_INSN.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-16 Jakub Jelinek <jakub@redhat.com>
PR target/99767
* tree-vect-loop.c (vect_transform_loop): Don't remove just
dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
them by their last argument.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-12 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/99905
* combine.c (expand_compound_operation): If pos + len > modewidth,
perform the right shift by pos in inner_mode and then convert to mode,
instead of trying to simplify a shift of rtx with inner_mode by pos
as if it was a shift in mode.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-12 Jakub Jelinek <jakub@redhat.com>
PR debug/99830
* combine.c (simplify_and_const_int_1): Don't optimize varop
away if it has side-effects.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-10 Jakub Jelinek <jakub@redhat.com>
PR lto/99849
* expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-10 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/98601
* rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
not just for BLKmode, but also for VOIDmode. For STRICT_ALIGNMENT
unaligned_mems handle VOIDmode like BLKmode.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-04-03 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/99863
* dse.c (replace_read): Drop regs_live argument. Instead of
regs_live, use store_insn->fixed_regs_live if non-NULL,
otherwise punt if insns sequence clobbers or sets any hard
registers.
2021-04-19 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
2020-11-27 Tobias Burnus <tobias@codesourcery.com>
PR c/97880
* omp-expand.c (expand_oacc_collapse_init, expand_oacc_collapse_vars):
Use now passed diff_type.
(expand_oacc_for): Take largest type for diff_type, taking tiling
and collapsing into account.
2021-04-19 Eric Botcazou <ebotcazou@adacore.com>
* config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
frames larger than the SEH maximum frame size.
2021-04-18 Hafiz Abid Qadeer <abidh@codesourcery.com>
Backported from master:
2021-04-11 Hafiz Abid Qadeer <abidh@codesourcery.com>
PR middle-end/98088
* omp-expand.c (expand_oacc_collapse_init): Update condition in
a gcc_assert.
2021-04-16 Tamar Christina <tamar.christina@arm.com>
Backported from master:
2021-04-16 Tamar Christina <tamar.christina@arm.com>
PR target/100048
* config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
* config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
TRN optab.
* config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
2021-04-08 Richard Biener <rguenther@suse.de>
PR lto/99898
* lto-streamer.h (LTO_minor_version): Bump.
2021-04-08 Release Manager
* GCC 10.3.0 released.
2021-04-04 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-04-03 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (machopic_legitimize_pic_address): Check
that the current pic register is one of the hard reg set
before setting liveness.
2021-04-02 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-10-23 Jakub Jelinek <jakub@redhat.com>
* Makefile.in (PLUGIN_HEADERS): Add gomp-constants.h and $(EXPR_H).
(s-header-vars): Accept not just spaces but also tabs between *_H name
and =. Handle common/config/ headers similarly to config. Don't
throw away everything from first ... to last / on the remaining
string, instead skip just ... to corresponding last / without
intervening spaces and tabs.
(install-plugin): Treat common/config headers like config headers.
* config/i386/t-i386 (TM_H): Add
$(srcdir)/common/config/i386/i386-cpuinfo.h.
2021-04-01 Jakub Jelinek <jakub@redhat.com>
PR c++/98481
* common.opt (fabi-version): Default to 14.
2021-04-01 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-04-01 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/97009
* tree-sra.c (access_or_its_child_written): New function.
(propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
test.
2021-04-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/99856
* tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
precision to vector element precision.
2021-03-31 Jan Hubicka <jh@suse.cz>
Backported from master:
2021-03-31 Jan Hubicka <hubicka@ucw.cz>
PR ipa/98265
* cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
2021-03-31 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/96264
* lra-remat.c (reg_overlap_for_remat_p): Check also output insn
hard regs.
2021-03-31 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR tree-optimization/97849
* tree-if-conv.c (tree_if_conversion): Move ssa_name
replacement code from ifcvt_local_dce to this function
before calling do_rpo_vn.
2021-03-31 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-31 Jakub Jelinek <jakub@redhat.com>
Richard Sandiford <richard.sandiford@arm.com>
PR target/99813
* config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
constraints on operands[2] and similarly 0 and rk constraints
on operands[1] corresponding to that.
2021-03-31 Jan Hubicka <hubicka@ucw.cz>
* common/config/i386/i386-common.c (ARRAY_SIZE): Make pta_size signed.
2021-03-31 Martin Liska <mliska@suse.cz>
Backported from master:
2021-03-24 Martin Liska <mliska@suse.cz>
PR target/99753
* common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
error.
* config/i386/i386-options.c (ix86_option_override_internal):
Add run-time assert.
2021-03-31 Jan Hubicka <jh@suse.cz>
Backported from master:
2021-03-18 Jan Hubicka <hubicka@ucw.cz>
* config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
integer divides1.
2021-03-31 Jan Hubicka <hubicka@ucw.cz>
* config/i386/x86-tune-costs.h (struct processor_costs): Remove
mask register costs.
2021-03-31 Jan Hubicka <jh@suse.cz>
Backported from master:
2021-03-15 Jan Hubicka <hubicka@ucw.cz>
* config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
* config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
of znver2_cost.
2021-03-31 Jan Hubicka <jh@suse.cz>
* common/config/i386/i386-common.c: Add znver3.
* common/config/i386/i386-cpuinfo.h (enum processor_types): Add
AMDFAM19H
(enum processor_subtypes): Add AMDFAM19H_ZNVER3.
(processor_alias_table): Add znver3 and AMDFAM19H entry.
* common/config/i386/i386-cpuinfo.h (processor_types): Add
AMDFAM19H.
(processor_subtypes): AMDFAM19H_ZNVER3.
* config.gcc (i[34567]86-*-linux* | ...): Likewise.
* config/i386/driver-i386.c: (host_detect_local_cpu): Let
-march=native recognize znver3 processors.
* config/i386/i386-c.c (ix86_target_macros_internal): Add
znver3.
* config/i386/i386-options.c (m_znver3): New definition.
(m_ZNVER): Include m_znver3.
(processor_cost_table): Add znver3.
* config/i386/i386.c (ix86_reassociation_width): Likewise.
* config/i386/i386.h (TARGET_znver3): New definition.
(enum processor_type): Add PROCESSOR_ZNVER3.
* config/i386/i386.md (define_attr "cpu"): Add znver3.
* config/i386/x86-tune-sched.c: (ix86_issue_rate): Likewise.
(ix86_adjust_cost): Likewise.
* config/i386/x86-tune.def (X86_TUNE_AVOID_256FMA_CHAINS):
Likewise.
* config/i386/znver1.md: Add new reservations for znver3.
* doc/extend.texi: Add details about znver3.
* doc/invoke.texi: Likewise.
2021-03-31 H.J. Lu <hjl.tools@gmail.com>
Backported from master:
2020-06-24 H.J. Lu <hjl.tools@gmail.com>
PR target/95842
* common/config/i386/i386-common.c (processor_alias_table): Add
processor model and priority to each entry.
(pta_size): Updated with -6.
(num_arch_names): New.
* common/config/i386/i386-cpuinfo.h: New file.
* config/i386/i386-builtins.c (feature_priority): Removed.
(processor_model): Likewise.
(_arch_names_table): Likewise.
(arch_names_table): Likewise.
(_isa_names_table): Replace P_ZERO with P_NONE.
(get_builtin_code_for_version): Replace P_ZERO with P_NONE. Use
processor_alias_table.
(fold_builtin_cpu): Replace arch_names_table with
processor_alias_table.
* config/i386/i386.h: Include "common/config/i386/i386-cpuinfo.h".
(pta): Add model and priority.
(num_arch_names): New.
2021-03-31 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/99037
* config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
aarch64_simd_or_scalar_imm_zero to match zeroes. Remove pattern
matching const_int 0.
(move_lo_quad_internal_be_<mode>): Likewise.
(move_lo_quad_<mode>): Update for the above.
* config/aarch64/iterators.md (VQ_2E): Delete.
2021-03-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/99777
* fold-const.c (extract_muldiv_1): For conversions, punt on casts from
types other than scalar integral types.
2021-03-30 Jakub Jelinek <jakub@redhat.com>
PR debug/99334
* dwarf2out.h (struct dw_fde_node): Add rule18 member.
* dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
assignment with drap_reg active, queue reg save for hfp with offset 0
and flush queued reg saves. When handling a push with rule18,
defer queueing reg save for hfp and just assert the offset is 0.
(scan_trace): Assert that fde->rule18 is false.
2021-03-30 Jakub Jelinek <jakub@redhat.com>
PR debug/99388
* dwarf2out.c (insert_float): Change return type from void to
unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
(mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
Adjust callers.
2021-03-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/99824
* stor-layout.c (set_min_and_max_values_for_integral_type):
Assert the precision is within the bounds of
WIDE_INT_MAX_PRECISION.
* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
the outermost component ref only to lower the access size
and initialize that from the access type.
2021-03-29 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-03-22 Alex Coplan <alex.coplan@arm.com>
PR target/97252
* config/arm/arm-protos.h (neon_make_constant): Add generate
argument to guard emitting insns, default to true.
* config/arm/arm.c (arm_legitimate_constant_p_1): Reject
CONST_VECTORs which neon_make_constant can't handle.
(neon_vdup_constant): Add generate argument, avoid emitting
insns if it's not set.
(neon_make_constant): Plumb new generate argument through.
* config/arm/constraints.md (Ui): New. Use it...
* config/arm/mve.md (*mve_mov<mode>): ... here.
* config/arm/vec-common.md (movv8hf): Use neon_make_constant to
synthesize constants.
2021-03-28 David Edelsohn <dje.gcc@gmail.com>
Backported from master:
2021-03-28 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
XCOFF TLS reloc decorations.
2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
Backported from master:
2021-03-26 Iain Buclaw <ibuclaw@gdcproject.org>
PR ipa/99466
* tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
TLS declarations as public.
2021-03-25 Stam Markianos-Wright <stam.markianos-wright@arm.com>
PR tree-optimization/96974
* tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
with graceful exit.
2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
Backported from master:
2021-03-25 Xionghu Luo <luoxhu@linux.ibm.com>
PR target/97329
* config/rs6000/rs6000.c (power8_costs): Change l2 cache
from 256 to 512.
2021-03-24 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (output_objc_section_asm_op): Avoid extra
objective-c section switches unless the linker needs them.
* config/darwin.c (darwin_objc2_section): Allow for
values > 1 to represent the next runtime.
(darwin_objc1_section): Likewise.
* config/darwin.c (darwin_globalize_label): Add protocol
meta-data labels to the set that are global. Make a subset of
metadate symbols global.
(darwin_label_is_anonymous_local_objc_name): Make a subset of
metadata symbols linker-visible.
(darwin_override_options): Track more target OS versions, make
the next_runtime version track this (unless it's set to 0 for
GNU runtime).
* config/darwin.h (NEXT_OBJC_RUNTIME): Set the default
next runtime value to be 10.5.8.
2021-03-24 Jakub Jelinek <jakub@redhat.com>
PR target/99540
* config/aarch64/aarch64.c (aarch64_add_offset): Tell
expand_mult to perform an unsigned rather than a signed
multiplication.
2021-03-24 Richard Biener <rguenther@suse.de>
Backported from master:
2021-03-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/98834
* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
subsetting by truncating the access size.
2021-03-24 Richard Biener <rguenther@suse.de>
Backported from master:
2021-02-08 Richard Biener <rguenther@suse.de>
PR lto/96591
* tree.c (walk_tree_1): Walk VECTOR_CST elements.
2021-03-24 Richard Biener <rguenther@suse.de>
Backported from master:
2021-03-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/99694
* tree-ssa-sccvn.c (visit_phi): Ignore edges with the
PHI result.
2021-03-23 H.J. Lu <hjl.tools@gmail.com>
Backported from master:
2021-03-23 H.J. Lu <hjl.tools@gmail.com>
PR target/99704
* config/i386/cpuid.h (__cpuid): Add __volatile__.
(__cpuid_count): Likewise.
2021-03-22 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-10-10 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin-sections.def (objc2_data_section): New.
(objc2_ivar_section): New.
* config/darwin.c (darwin_objc2_section): Act on Protocol and
ivar refs.
2021-03-22 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-10-10 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin-sections.def (objc2_class_names_section,
objc2_method_names_section, objc2_method_types_section): New
* config/darwin.c (output_objc_section_asm_op): Output new
sections. (darwin_objc2_section): Select new sections where
used.
2021-03-22 David Edelsohn <dje.gcc@gmail.com>
Backported from master:
2021-01-30 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/rs6000.opt (mabi=vec-extabi): New.
(mabi=vec-default): New.
* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
__EXTABI__ for AIX Vector extended ABI.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
extabi info.
(conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
are non-volatile.
* doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
2021-03-22 Kito Cheng <kito.cheng@sifive.com>
Backported from master:
2021-03-22 Kito Cheng <kito.cheng@sifive.com>
PR target/99702
* config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
after type checking.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-03-01 Iain Sandoe <iain@sandoe.co.uk>
PR target/44107
PR target/48097
* config/darwin-protos.h (darwin_should_restore_cfa_state): New.
* config/darwin.c (darwin_should_restore_cfa_state): New.
* config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
* doc/tm.texi: Regenerated.
* doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
* dwarf2cfi.c (connect_traces): If the target requests, restore
the CFA expression after a DW_CFA_restore.
* target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
for the Darwin10 unwinder stub from here ..
* config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
here...
* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from here..
* config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
* config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
* config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
* config.gcc: Compute default version information
from the configured target. Likewise defaults for
ld64. Delete reference to the now removed darwin8.h
* config/darwin10.h: Removed.
* config/darwin12.h: Removed.
* config/darwin9.h: Removed.
* config/rs6000/darwin8.h: Removed.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2021-01-02 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
(ASM_DEBUG_SPEC):Only define if the assembler supports
stabs.
(PREFERRED_DEBUGGING_TYPE): Default to DWARF.
(DARWIN_PREFER_DWARF): Define.
* config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
(DARWIN_PREFER_DWARF): Likewise
(DSYMUTIL_SPEC): Likewise.
(COLLECT_RUN_DSYMUTIL): Likewise.
(ASM_DEBUG_SPEC): Likewise.
(ASM_DEBUG_OPTION_SPEC): Likewise.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-08-03 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.h (ASM_DECLARE_FUNCTION_NAME): UNDEF before
use.
(DEF_MIN_OSX_VERSION): Only define if there's no existing
def.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-11-22 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin-c.c (struct f_align_stack): Rename
to type from align_stack to f_align_stack.
(push_field_alignment): Likewise.
(pop_field_alignment): Likewise.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-10-10 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_emit_local_bss): Amend section names to
match system tools. (darwin_output_aligned_bss): Likewise.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-09-07 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_libc_has_function): Report sincos
available from 10.9.
2021-03-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2020-08-03 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (IN_TARGET_CODE): Remove.
(darwin_mergeable_constant_section): Handle poly-int machine modes.
(machopic_select_rtx_section): Likewise.
2021-03-20 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-16 Jakub Jelinek <jakub@redhat.com>
PR target/99563
* config/i386/i386.h (struct machine_function): Add
has_explicit_vzeroupper bitfield.
* config/i386/i386-expand.c (ix86_expand_builtin): Set
cfun->machine->has_explicit_vzeroupper when expanding
IX86_BUILTIN_VZEROUPPER.
* config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
Do the mode switching only when TARGET_VZEROUPPER, expensive
optimizations turned on and not optimizing for size.
(pass_insert_vzeroupper::gate): Enable even when
cfun->machine->has_explicit_vzeroupper is set.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-16 Jakub Jelinek <jakub@redhat.com>
PR target/99542
* config/aarch64/aarch64.c
(aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
instead of DECL_ARGUMENTS. Ignore types for uniform arguments.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-11 Jakub Jelinek <jakub@redhat.com>
PR ipa/99517
* ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
function calls with lhs fail if the lhs don't have compatible types.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-04 Jakub Jelinek <jakub@redhat.com>
PR middle-end/93235
* expmed.c (store_bit_field_using_insv): Return false of xop0 is a
SUBREG and a SUBREG to op_mode can't be created.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-03 Jakub Jelinek <jakub@redhat.com>
PR target/99085
* cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
partitions, if in non-layout mode after reorder_blocks also move
affected blocks to ensure a single partition transition.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-24 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/99225
* fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
build_int_cst (..., 1). Formatting fixes.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-23 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/99204
* fold-const.c (fold_read_from_constant_string): Check that
tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-19 Jakub Jelinek <jakub@redhat.com>
PR ipa/99034
* tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
pad or non-local label, put FORCED_LABELs from bb b after that label
rather than before it.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/99079
* match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
require both type and TREE_TYPE (@1) to be integral types and either
type having smaller or equal precision, or TREE_TYPE (@1) being
unsigned type, or type being signed type. If TREE_TYPE (@1)
doesn't have wrapping overflow, perform the subtraction of one in
unsigned type.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-10 Jakub Jelinek <jakub@redhat.com>
PR c++/99035
* varasm.c (declare_weak): For -fsyntax-only, allow even
TREE_ASM_WRITTEN function decls.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/99007
* gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
calls.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-03 Jakub Jelinek <jakub@redhat.com>
PR middle-end/97487
* ifcvt.c (noce_can_force_operand): New function.
(noce_emit_move_insn): Use it.
(noce_try_sign_mask): Likewise. Formatting fix.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-03 Jakub Jelinek <jakub@redhat.com>
PR middle-end/97971
* lra-constraints.c (process_alt_operands): For inline asm, don't call
fatal_insn, but instead return false.
2021-03-19 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-02-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/98287
* config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
for V1DImode.
2021-03-19 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/99641
* fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
array type, do the computation of the current position in sizetype.
2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
Backported from master:
2021-03-18 Sinan Lin <sinan@isrc.iscas.ac.cn>
Kito Cheng <kito.cheng@sifive.com>
* config/riscv/riscv.c (riscv_block_move_straight): Change type
to unsigned HOST_WIDE_INT for parameter and local variable with
HOST_WIDE_INT type.
(riscv_adjust_block_mem): Ditto.
(riscv_block_move_loop): Ditto.
(riscv_expand_block_move): Ditto.
2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Backported from master:
2021-03-18 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
(aarch64_override_options_internal): Use it.
(generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
tune_flags.
2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Backported from master:
2021-03-17 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
to compare against CC_REG rather than NE.
2021-03-17 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Handle
disassembling a vector pair vector by vector in little-endian mode.
2021-03-16 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-03-05 Martin Jambor <mjambor@suse.cz>
PR ipa/98078
* cgraph.c (cgraph_edge::set_call_stmt): Do not update all
corresponding speculative edges if we are about to resolve
sepculation. Make edge direct (and so resolve speculations) before
removing it from call_site_hash.
(cgraph_edge::make_direct): Relax the initial assert to allow calling
the function on speculative direct edges.
2021-03-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-02-24 Richard Biener <rguenther@suse.de>
PR c/99224
* builtins.c (fold_builtin_next_arg): Avoid NULL arg.
2021-03-16 Richard Biener <rguenther@suse.de>
Backported from master:
2021-02-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/99253
* tree-vect-loop.c (check_reduction_path): First compute
code, then verify out-of-loop uses.
2021-03-15 Tobias Burnus <tobias@codesourcery.com>
Backported from master:
2021-03-08 Tobias Burnus <tobias@codesourcery.com>
PR fortran/97927
* tree-nested.c (convert_local_reference_stmt): Avoid calling
lookup_field_for_decl for Fortran module (= namespace context).
2021-03-15 Andre Vieira <andre.simoesdiasvieira@arm.com>
Backported from master:
2021-02-22 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR rtl-optimization/98791
* ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
for unordered modes.
2021-03-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (neoversen2_tunings): Set
AARCH64_EXTRA_TUNE_PREFER_ADVSIMD_AUTOVEC tune_flags.
2021-03-11 Alex Coplan <alex.coplan@arm.com>
Backported from master:
2021-03-04 Alex Coplan <alex.coplan@arm.com>
PR target/99381
* config/aarch64/aarch64-sve-builtins.cc
(function_resolver::require_vector_type): Handle error_mark_node.
2021-03-10 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-03-08 Peter Bergner <bergner@linux.ibm.com>
PR target/98959
* config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
to ensure we do not have an Altivec style address.
* config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
an Altivec style address.
(*vsx_le_perm_store_<mode>): Likewise.
(splitters after *vsx_le_perm_store_<mode>): Likewise.
(vsx_load_<mode>): Disable special expander if passed an Altivec
style address.
(vsx_store_<mode>): Likewise.
2021-03-10 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-02-26 Peter Bergner <bergner@linux.ibm.com>
PR target/99279
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
with an "if" test.
2021-03-10 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-02-23 Peter Bergner <bergner@linux.ibm.com>
* config/rs6000/mma.md (mma_assemble_pair): Rename from this...
(vsx_assemble_pair): ...to this.
* config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
BU_COMPAT): New macros.
(mma_assemble_pair): Rename from this...
(vsx_assemble_pair): ...to this.
(mma_disassemble_pair): Rename from this...
(vsx_disassemble_pair): ...to this.
(mma_assemble_pair): New compatibility built-in.
(mma_disassemble_pair): Likewise.
* config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
(RS6000_BUILTIN_COMPAT): Define.
(bdesc_compat): New.
(rs6000_gimple_fold_mma_builtin): Use VSX_BUILTIN_ASSEMBLE_PAIR.
(rs6000_init_builtins): Register compatibility built-ins.
(mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
and VSX_BUILTIN_DISASSEMBLE_PAIR.
* doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
(__builtin_vsx_assemble_pair): ...to this.
(__builtin_mma_disassemble_pair): Rename from this...
(__builtin_vsx_disassemble_pair): ...to this.
2021-03-10 Peter Bergner <bergner@linux.ibm.com>
Backported from master:
2021-02-11 Peter Bergner <bergner@linux.ibm.com>
PR target/99041
* config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
memory addresses that are legal for quad word accesses.
2021-03-09 Eric Botcazou <ebotcazou@adacore.com>
PR c++/90448
* calls.c (initialize_argument_information): When the argument
is passed by reference, do not make a copy in a thunk only if
the argument is already in memory. Remove redundant test for
the case of callee copy.
2021-03-08 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
Define.
* config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
into a register when the above is enabled.
* config/aarch64/aarch64.c (neoversev1_tunings):
AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
(aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
2021-03-04 Jason Merrill <jason@redhat.com>
PR c++/96078
* cgraphunit.c (process_function_and_variable_attributes): Don't
warn about flatten on an alias if the target also has it.
* cgraph.h (symtab_node::get_alias_target_tree): New.
2021-03-03 Eric Botcazou <ebotcazou@adacore.com>
PR target/99234
* config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
point back the hard frame pointer to its default location when the
frame is larger than SEH_MAX_FRAME_SIZE.
2021-03-03 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/98758
* tree-data-ref.c (int_divides_p): Use lambda_int arguments.
(lambda_matrix_right_hermite): Avoid undefinedness with
signed integer abs and multiplication.
(analyze_subscript_affine_affine): Use lambda_int.
2021-03-03 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/98640
* tree-ssa-sccvn.c (visit_nary_op): Do not try to
handle plus or minus from a truncated operand to be
sign-extended.
2021-03-03 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/98526
* tree-vect-loop.c (vect_model_reduction_cost): Remove costing
of the actual reduction op for the regular case.
(vectorizable_reduction): Cost the stmts
vect_transform_reduction produces here.
2021-03-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/97897
* tree-complex.c (complex_propagate::visit_stmt): Make sure
abnormally used SSA names are VARYING.
(complex_propagate::visit_phi): Likewise.
2021-03-03 Tom de Vries <tdevries@suse.de>
Backported from master:
2021-02-05 Tom de Vries <tdevries@suse.de>
PR debug/98656
* tree-switch-conversion.c (jump_table_cluster::emit): Add loc
argument.
(bit_test_cluster::emit): Reuse location_t for newly created
gswitch statement.
(switch_decision_tree::try_switch_expansion): Preserve
location_t.
* tree-switch-conversion.h: Change function signatures.
2021-03-02 Jan Hubicka <jh@suse.cz>
Backported from master:
2021-03-01 Jan Hubicka <jh@suse.cz>
PR ipa/98338
* ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
2021-03-02 Kito Cheng <kito.cheng@sifive.com>
Backported from master:
2020-07-09 Kito Cheng <kito.cheng@sifive.com>
* config/riscv/riscv.md (get_thread_pointer<mode>): New.
(TP_REGNUM): Ditto.
* doc/extend.texi (Target Builtins): Add RISC-V built-in section.
Document __builtin_thread_pointer.
2021-03-01 Richard Earnshaw <rearnsha@arm.com>
PR target/99271
* config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
(nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
(nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
address and disable when the FPCXT is not available.
(nonsecure_call_value_reg_thumb2): Likewise.
2021-03-01 Eric Botcazou <ebotcazou@adacore.com>
PR target/99234
* config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
point the hard frame pointer to the SSE register save area instead
of the general register save area. Perform only minimal adjustment
for small frames if it is initially not correctly aligned.
(ix86_expand_prologue): Remove early saves for a SEH target.
* config/i386/winnt.c (struct seh_frame_state): Document constraint.
2021-02-23 Qian Jianhua <qianjh@cn.fujitsu.com>
* config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
* config/aarch64/aarch64.c (a64fx_addrcost_table): New.
(a64fx_regmove_cost, a64fx_vector_cost): New.
(a64fx_tunings): Use the new added cost tables.
2021-02-22 John David Anglin <danglin@gcc.gnu.org>
PR target/85074
* config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
hook_bool_const_tree_hwi_hwi_const_tree_true.
(pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
2021-02-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64-tuning-flags.def (prefer_advsimd_autovec): Define.
* config/aarch64/aarch64.c (neoversev1_tunings): Use it.
(aarch64_override_options_internal): Adjust aarch64_autovec_preference
param when prefer_advsimd_autovec is enabled.
2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
* df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
2021-02-11 Eric Botcazou <ebotcazou@adacore.com>
* config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
the cold section, emit a nop before the directive if the previous
active instruction can throw.
2021-02-09 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/96015
* reorg.c (skip_consecutive_labels): Minor comment tweaks.
(relax_delay_slots): When deleting a jump to the next active
instruction over a barrier, first delete the barrier if the
jump is the only way to reach the target label.
2021-02-04 Vladimir N. Makarov <vmakarov@redhat.com>
PR target/97701
* lra-constraints.c (in_class_p): Don't narrow class only for REG
or MEM.
2021-02-03 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/98863
* config/i386/i386-features.c (remove_partial_avx_dependency):
Do not perform DF analysis.
(pass_data_remove_partial_avx_dependency): Remove
TODO_df_finish.
2021-02-03 Richard Biener <rguenther@suse.de>
Backported from master:
2021-02-01 Richard Biener <rguenther@suse.de>
PR rtl-optimization/98863
* config/i386/i386-features.c (convert_scalars_to_vector):
Set DF_RD_PRUNE_DEAD_DEFS.
2021-02-03 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-29 Richard Biener <rguenther@suse.de>
PR rtl-optimization/98144
* df.h (df_mir_bb_info): Add con_visited member.
* df-problems.c (df_mir_alloc): Initialize con_visited,
do not fully populate IN and OUT.
(df_mir_reset): Likewise.
(df_mir_confluence_0): Set con_visited.
(df_mir_confluence_n): Properly handle implicitely
fully populated IN and OUT as designated by con_visited
and update con_visited accordingly.
2021-02-01 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-29 Richard Biener <rguenther@suse.de>
PR rtl-optimization/98863
* gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
HOST_WIDE_INT for the memory estimate.
2021-02-01 Kito Cheng <kito.cheng@sifive.com>
Backported from master:
2020-11-06 Kito Cheng <kito.cheng@sifive.com>
PR target/96307
* toplev.c (process_options): Remove param_asan_stack checking for kasan
option checking.
2021-01-31 Eric Botcazou <ebotcazou@adacore.com>
* system.h (SIZE_MAX): Define if not already defined.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR debug/98331
* cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
a BARRIER.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR target/98853
* config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
%w0, %w1 and %2 instead of %0, %1 and %2.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR target/98681
* config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
and INTVAL (mask). Add && INTVAL (mask) > 0 condition.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR testsuite/98771
* fold-const-call.c (host_size_t_cst_p): Renamed to ...
(size_t_cst_p): ... this. Check and store unsigned HOST_WIDE_INT
value rather than host size_t.
(fold_const_call): Change type of s2 from size_t to
unsigned HOST_WIDE_INT. Use size_t_cst_p instead of
host_size_t_cst_p. For strncmp calls, pass MIN (s2, SIZE_MAX)
instead of s2 as last argument.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR testsuite/97301
* config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/90248
* match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
simplifications.
(X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
2021-01-29 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/98255
* tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
extend index - low_bound from sizetype's precision rather than index
precision.
(get_addr_base_and_unit_offset_1): Likewise.
* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
* gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
2021-01-29 Bin Cheng <bin.cheng@linux.alibaba.com>
Richard Biener <rguenther@suse.de>
PR tree-optimization/97627
* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
Do not analyze fake edges.
2021-01-27 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Backported from master:
2021-01-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR tree-optimization/98766
* tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
comparing against type size with param_avoid_fma_max_bits.
2021-01-26 Martin Liska <mliska@suse.cz>
PR gcov-profile/98739
* common.opt: Add missing equal symbol.
2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
Backported from master:
2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
(ENDFILE_SPEC): Evaluate qnolinkcmds.
2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
Backported from master:
2021-01-25 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
nostartfiles handling since this is already done by
LINK_COMMAND_SPEC. Evaluate qnolinkcmds.
(ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
is already done by LINK_COMMAND_SPEC.
(LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
this is already done by LINK_COMMAND_SPEC. Remove qnolinkcmds
evaluation.
2021-01-25 Claudiu Zissulescu <claziss@gmail.com>
Backported from master:
2020-12-11 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.md (mpyd<su_optab>_arcv2hs): New template
pattern.
(*pmpyd<su_optab>_arcv2hs): Likewise.
(*pmpyd<su_optab>_imm_arcv2hs): Likewise.
(mpyd_arcv2hs): Moved into above template.
(mpyd_imm_arcv2hs): Moved into above template.
(mpydu_arcv2hs): Likewise.
(mpydu_imm_arcv2hs): Likewise.
(su_optab): New optab prefix for sign/zero-extending operations.
2021-01-22 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-01-20 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/98535
* tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
If the high and low permutes are the same, remove the high permutes
from the working set and only continue with the low ones.
2021-01-21 Christophe Lyon <christophe.lyon@linaro.org>
* config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
2021-01-19 Martin Jambor <mjambor@suse.cz>
Backported from master:
2021-01-19 Martin Jambor <mjambor@suse.cz>
PR ipa/98690
* ipa-sra.c (ssa_name_only_returned_p): New parameter fun. Check
whether non-call exceptions allow removal of a statement.
(isra_analyze_call): Pass the appropriate function to
ssa_name_only_returned_p.
2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
Backported from master:
2021-01-19 Daniel Hellstrom <daniel@gaisler.com>
* config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
built-in define __FIX_LEON3FT_TN0018.
2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
Backported from master:
2021-01-14 Thomas Schwinge <thomas@codesourcery.com>
* config/gcn/mkoffload.c (main): Create an offload image only in
64-bit configurations.
2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
Backported from master:
2021-01-13 Samuel Thibault <samuel.thibault@ens-lyon.org>
* config.gcc [$target == *-*-gnu*]: Enable
'default_gnu_indirect_function'.
2021-01-12 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/98513
* value-range.cc (intersect_ranges): Compare the upper bounds
for the expected relation.
2021-01-12 Richard Biener <rguenther@suse.de>
Backported from master:
2021-01-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/98282
* tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
invariants as VN_NARY.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/94994
* tree-vect-data-refs.c (vect_vfa_align): Use dr_alignment.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/95401
* config/aarch64/aarch64-sve-builtins.cc
(gimple_folder::load_store_cookie): Use bits rather than bytes
for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
* gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
* tree-vect-stmts.c (vectorizable_store): Likewise.
(vectorizable_load): Likewise.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/97144
* recog.c (constrain_operands): Initialize matching_operand
for each alternative, rather than only doing it once.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/98214
* genmodes.c (emit_insn_modes_h): Emit a definition of CONST_MODE_MASK.
(emit_mode_mask): Treat mode_mask_array as non-constant if adj_nunits.
(emit_mode_adjustments): Update GET_MODE_MASK when updating
GET_MODE_NUNITS.
* machmode.h (mode_mask_array): Use CONST_MODE_MASK.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2020-12-31 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/98302
* tree-vect-patterns.c (vect_determine_precisions_from_users): Make
sure that the precision remains greater than the shift count.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-01-05 Richard Sandiford <richard.sandiford@arm.com>
PR tree-optimization/98371
* tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
(vect_analyze_loop): If an epilogue loop appears to be cheaper
than the main loop, re-analyze it as a main loop before adopting
it as a main loop.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2021-01-04 Richard Sandiford <richard.sandiford@arm.com>
PR target/89057
* config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns
to handle zero operands.
2021-01-12 Richard Sandiford <richard.sandiford@arm.com>
Backported from master:
2020-12-18 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Use
aarch64_full_sve_mode and aarch64_vq_mode directly, instead of
going via aarch64_simd_container_mode.
2021-01-12 Andreas Krebbel <krebbel@gcc.gnu.org>
Backported from master:
2021-01-11 Andreas Krebbel <krebbel@linux.ibm.com>
PR tree-optimization/98221
* tree-ssa-forwprop.c (simplify_vector_constructor): For
big-endian, use UNPACK[_FLOAT]_HI.
2021-01-11 Richard Biener <rguenther@suse.de>
Backported from master:
2020-12-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/98117
* tree-vect-loop-manip.c (vect_gen_vector_loop_niters):
Properly handle degenerate niter when setting the vector
loop IV range.
2021-01-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/97623
* tree-ssa-pre.c (insert): Move hoist insertion after PRE
insertion iteration and do not iterate it.
(create_expression_by_pieces): Guard NEW_SETS access.
(insert_into_preds_of_block): Likewise.
2021-01-11 Richard Biener <rguenther@suse.de>
Backported from master:
2020-10-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/97623
* tree-ssa-pre.c (insert): First do hoist insertion in
a backward walk.
2021-01-09 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-01-09 Jakub Jelinek <jakub@redhat.com>
PR c++/98556
* tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
POINTER_DIFF_EXPR to be any integral type.
2021-01-07 Claudiu Zissulescu <claziss@synopsys.com>
Backported from master:
2020-12-11 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (arc_scheduling_not_expected): Remove
it.
(arc_sets_cc_p): Likewise.
(arc_need_delay): Likewise.
* config/arc/arc.c (arc_sets_cc_p): Likewise.
(arc_need_delay): Likewise.
(arc_scheduling_not_expected): Likewise.
* config/arc/arc.md: Convert adc/sbc patterns to simple
instruction definitions.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-01-05 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/98514
* tree-ssa-reassoc.c (bb_rank): Change type from long * to
int64_t *.
(operand_rank): Change type from hash_map<tree, long> to
hash_map<tree, int64_t>.
(phi_rank): Change return type from long to int64_t.
(loop_carried_phi): Change block_rank variable type from long to
int64_t.
(propagate_rank): Change return type, rank parameter type and
op_rank variable type from long to int64_t.
(find_operand_rank): Change return type from long to int64_t
and change slot variable type from long * to int64_t *.
(insert_operand_rank): Change rank parameter type from long to
int64_t.
(get_rank): Change return type and rank variable type from long to
int64_t. Use PRId64 instead of ld to print the rank.
(init_reassoc): Change rank variable type from long to int64_t
and adjust correspondingly bb_rank and operand_rank initialization.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-31 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/98474
* wide-int.cc (wi::to_mpz): If wide_int has MSB set, but type
is unsigned and excess negative, append set bits after len until
precision.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-21 Jakub Jelinek <jakub@redhat.com>
PR c++/98353
* gimplify.c (gimplify_init_ctor_eval_range): Gimplify value before
storing it into cref.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-21 Jakub Jelinek <jakub@redhat.com>
PR c++/98383
* gimplify.c (struct gimplify_omp_ctx): Add in_for_exprs flag.
(gimple_add_tmp_var): For addressable temporaries appearing in
simd lb, b or incr expressions, don't add a private clause unless
it is seen also outside of those expressions in the simd body.
(omp_notice_variable): Likewise.
(gimplify_omp_for): Set and reset in_for_exprs around gimplification
of lb, b or incr expressions.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-18 Jakub Jelinek <jakub@redhat.com>
* gimplify.c (struct gimplify_omp_ctx): Add has_depend member.
(gimplify_scan_omp_clauses): Set it to true if OMP_CLAUSE_DEPEND
appears on OMP_TASK.
(gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Force
GOVD_WRITTEN on shared variables if task construct has depend clause.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-12 Jakub Jelinek <jakub@redhat.com>
PR middle-end/98183
* omp-low.c (lower_omp_target): Don't add OMP_RETURN for
data regions.
* omp-expand.c (expand_omp_target): Don't try to remove
OMP_RETURN for data regions.
(build_omp_regions_1, omp_make_gimple_edges): Don't expect
OMP_RETURN for data regions.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/98205
* omp-expand.c (expand_omp_for_generic): Fix up broken_loop handling.
2021-01-06 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR target/94440
* config/i386/i386.opt (ix86_excess_precision,
ix86_unsafe_math_optimizations): New TargetVariables.
* config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): Use