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gnu / gcc / 70ee703c479081ac2ea67eb67041551216e66783 / . / gcc / ChangeLog
blob: 2c5a27b8868ce214371bb0dbc90955784ad42423 [file] [log] [blame]
2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
PR bootstrap/101574
* diagnostic-spec.c (warning_suppressed_at, copy_warning): Handle
'RESERVED_LOCATION_P' locations.
* warning-control.cc (get_nowarn_spec, suppress_warning)
(copy_warning): Likewise.
2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
* diagnostic-spec.h (typedef xint_hash_t): Use 'location_t' instead of...
(typedef key_type_t): ... this. Remove.
(nowarn_map): Document.
* diagnostic-spec.c (nowarn_map): Likewise.
* warning-control.cc (convert_to_key): Evolve functions into...
(get_location): ... these. Adjust all users.
2021-09-13 Thomas Schwinge <thomas@codesourcery.com>
* warning-control.cc (copy_warning): Remove 'nowarn_map' setup.
2021-09-13 Jason Merrill <jason@redhat.com>
* params.opt: Add destructive-interference-size and
constructive-interference-size.
* doc/invoke.texi: Document them.
* config/aarch64/aarch64.c (aarch64_override_options_internal):
Set them.
* config/arm/arm.c (arm_option_override): Set them.
* config/i386/i386-options.c (ix86_option_override_internal):
Set them.
2021-09-13 Martin Liska <mliska@suse.cz>
H.J. Lu <hjl.tools@gmail.com>
PR target/101696
* common/config/i386/cpuinfo.h (cpu_indicator_init): Add support
for x86-64 micro levels for __builtin_cpu_supports.
* common/config/i386/i386-cpuinfo.h (enum feature_priority):
Add priorities for the micro-arch levels.
(enum processor_features): Add new features.
* common/config/i386/i386-isas.h: Add micro-arch features.
* config/i386/i386-builtins.c (get_builtin_code_for_version):
Support the micro-arch levels by callsing
__builtin_cpu_supports.
* doc/extend.texi: Document that the levels are support by
__builtin_cpu_supports.
2021-09-13 Andrew Pinski <apinski@marvell.com>
PR target/95969
* config/aarch64/aarch64-builtins.c (aarch64_fold_builtin_lane_check):
New function.
(aarch64_general_fold_builtin): Handle AARCH64_SIMD_BUILTIN_LANE_CHECK.
(aarch64_general_gimple_fold_builtin): Likewise.
2021-09-13 Andrew Pinski <apinski@marvell.com>
* config.gcc: Add m32r-*-linux* and m32rle-*-linux*
to the Unsupported targets list.
Remove support for m32r-*-linux* and m32rle-*-linux*.
* config/m32r/linux.h: Removed.
* config/m32r/t-linux: Removed.
2021-09-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
PR target/102252
* config/aarch64/aarch64.c (aarch64_classify_address): Don't allow
register index for SVE predicate modes.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c
(back_threader_profitability::profitable_path_p): Remove FSM
references.
(back_threader_registry::register_path): Same.
* tree-ssa-threadedge.c
(jump_threader::simplify_control_stmt_condition): Same.
* tree-ssa-threadupdate.c (jt_path_registry::jt_path_registry):
Add backedge_threads argument.
(fwd_jt_path_registry::fwd_jt_path_registry): Pass
backedge_threads argument.
(back_jt_path_registry::back_jt_path_registry): Same.
(dump_jump_thread_path): Adjust for FSM removal.
(back_jt_path_registry::rewire_first_differing_edge): Same.
(back_jt_path_registry::adjust_paths_after_duplication): Same.
(back_jt_path_registry::update_cfg): Same.
(jt_path_registry::register_jump_thread): Same.
* tree-ssa-threadupdate.h (enum jump_thread_edge_type): Remove
EDGE_FSM_THREAD.
(class back_jt_path_registry): Add backedge_threads to
constructor.
2021-09-13 Martin Liska <mliska@suse.cz>
PR c++/101331
* asan.h (sanitize_coverage_p): Handle when fn == NULL.
2021-09-13 H.J. Lu <hjl.tools@gmail.com>
PR target/101935
* config/i386/i386.h (TARGET_AVX256_MOVE_BY_PIECES): New.
(TARGET_AVX256_STORE_BY_PIECES): Likewise.
(MOVE_MAX): Check TARGET_AVX256_MOVE_BY_PIECES and
TARGET_AVX256_STORE_BY_PIECES instead of
TARGET_AVX256_SPLIT_UNALIGNED_LOAD and
TARGET_AVX256_SPLIT_UNALIGNED_STORE.
(STORE_MAX_PIECES): Check TARGET_AVX256_STORE_BY_PIECES instead
of TARGET_AVX256_SPLIT_UNALIGNED_STORE.
* config/i386/x86-tune.def (X86_TUNE_AVX256_MOVE_BY_PIECES): New.
(X86_TUNE_AVX256_STORE_BY_PIECES): Likewise.
2021-09-13 liuhongt <hongtao.liu@intel.com>
PR bootstrap/102302
* expmed.c (extract_bit_field_using_extv): Use
gen_lowpart_if_possible instead of gen_lowpart to avoid ICE.
2021-09-13 Aldy Hernandez <aldyh@redhat.com>
* Makefile.in (OBJS): Add value-pointer-equiv.o.
* gimple-ssa-evrp.c (class ssa_equiv_stack): Move to
value-pointer-equiv.*.
(ssa_equiv_stack::ssa_equiv_stack): Same.
(ssa_equiv_stack::enter): Same.
(ssa_equiv_stack::leave): Same.
(ssa_equiv_stack::push_replacement): Same.
(ssa_equiv_stack::get_replacement): Same.
(is_pointer_ssa): Same.
(class pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::~pointer_equiv_analyzer): Same.
(pointer_equiv_analyzer::set_global_equiv): Same.
(pointer_equiv_analyzer::set_cond_equiv): Same.
(pointer_equiv_analyzer::get_equiv): Same.
(pointer_equiv_analyzer::enter): Same.
(pointer_equiv_analyzer::leave): Same.
(pointer_equiv_analyzer::get_equiv_expr): Same.
(pta_valueize): Same.
(pointer_equiv_analyzer::visit_stmt): Same.
(pointer_equiv_analyzer::visit_edge): Same.
(hybrid_folder::value_of_expr): Same.
(hybrid_folder::value_on_edge): Same.
* value-pointer-equiv.cc: New file.
* value-pointer-equiv.h: New file.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* gimple-fold.c (gimple_fold_builtin_memory_op): Allow folding
memcpy if the size is not more than MOVE_MAX * MOVE_RATIO.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* config/arm/arm.md (movmisaligndi): New define_expand.
* config/arm/vec-common.md (movmisalign<mode>): Iterate over VDQ mode.
2021-09-13 Richard Earnshaw <rearnsha@arm.com>
PR target/102125
* emit-rtl.c (gen_highpart): Use adjust_address to handle
MEM rather than calling simplify_gen_subreg.
2021-09-13 Jan-Benedict Glaw <jbglaw@ług-owl.de>
* config/alpha/vms.h (INIT_CUMULATIVE_ARGS): Wrap multi-statment
define into a block.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/darwin.h (DARWIN_PREFER_DWARF): Do not define.
* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Do not
change based on DARWIN_PREFER_DWARF not being defined.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/i386/lynx.h: Remove undef of PREFERRED_DEBUGGING_TYPE
to inherit from elfos.h
2021-09-13 Richard Biener <rguenther@suse.de>
* config.gcc: Add cr16-*-* to the list of obsoleted targets.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/avr/elf.h (PREFERRED_DEBUGGING_TYPE): Remove
override, pick up DWARF2_DEBUG define from elfos.h
2021-09-13 Richard Biener <rguenther@suse.de>
* config/rx/rx.h (PREFERRED_DEBUGGING_TYPE): Always define to
DWARF2_DEBUG.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/alpha/vms.h (PREFERRED_DEBUGGING_TYPE): Define to
DWARF2_DEBUG.
2021-09-13 Richard Biener <rguenther@suse.de>
* config/i386/cygming.h: Always default to DWARF2 debugging.
Do not define DBX_DEBUGGING_INFO, that's done via dbxcoff.h
already.
* doc/install.texi: Document binutils 2.16 as minimum
requirement for mingw.
2021-09-13 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (struct rs6000_cost_data): New members
nstmts, nloads and extra_ctor_cost.
(rs6000_density_test): Add load density related heuristics. Do
extra costing on vector construction statements if need.
(rs6000_init_cost): Init new members.
(rs6000_update_target_cost_per_stmt): New function.
(rs6000_add_stmt_cost): Factor vect_nonmem hunk out to function
rs6000_update_target_cost_per_stmt and call it.
2021-09-13 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (struct rs6000_cost_data): Remove typedef.
(rs6000_init_cost): Adjust.
2021-09-13 liuhongt <hongtao.liu@intel.com>
* config/i386/i386.md: (UNSPEC_COPYSIGN): Remove.
(UNSPEC_XORSIGN): Ditto.
2021-09-12 Roger Sayle <roger@nextmovesoftware.com>
* expr.c (convert_move): Preserve SUBREG_PROMOTED_VAR_P when
creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
subreg.
2021-09-11 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c (class back_threader_registry): Use
back_jt_path_registry.
* tree-ssa-threadedge.c (jump_threader::jump_threader): Use
fwd_jt_path_registry.
* tree-ssa-threadedge.h (class jump_threader): Same..
* tree-ssa-threadupdate.c
(jump_thread_path_registry::jump_thread_path_registry): Rename...
(jt_path_registry::jt_path_registry): ...to this.
(jump_thread_path_registry::~jump_thread_path_registry): Rename...
(jt_path_registry::~jt_path_registry): ...this.
(fwd_jt_path_registry::fwd_jt_path_registry): New.
(fwd_jt_path_registry::~fwd_jt_path_registry): New.
(jump_thread_path_registry::allocate_thread_edge): Rename...
(jt_path_registry::allocate_thread_edge): ...to this.
(jump_thread_path_registry::allocate_thread_path): Rename...
(jt_path_registry::allocate_thread_path): ...to this.
(jump_thread_path_registry::lookup_redirection_data): Rename...
(fwd_jt_path_registry::lookup_redirection_data): ...to this.
(jump_thread_path_registry::thread_block_1): Rename...
(fwd_jt_path_registry::thread_block_1): ...to this.
(jump_thread_path_registry::thread_block): Rename...
(fwd_jt_path_registry::thread_block): ...to this.
(jt_path_registry::thread_through_loop_header): Rename...
(fwd_jt_path_registry::thread_through_loop_header): ...to this.
(jump_thread_path_registry::mark_threaded_blocks): Rename...
(fwd_jt_path_registry::mark_threaded_blocks): ...to this.
(jump_thread_path_registry::debug_path): Rename...
(jt_path_registry::debug_path): ...to this.
(jump_thread_path_registry::dump): Rename...
(jt_path_registry::debug): ...to this.
(jump_thread_path_registry::rewire_first_differing_edge): Rename...
(back_jt_path_registry::rewire_first_differing_edge): ...to this.
(jump_thread_path_registry::adjust_paths_after_duplication): Rename...
(back_jt_path_registry::adjust_paths_after_duplication): ...to this.
(jump_thread_path_registry::duplicate_thread_path): Rename...
(back_jt_path_registry::duplicate_thread_path): ...to this. Also,
drop ill-formed candidates.
(jump_thread_path_registry::remove_jump_threads_including): Rename...
(fwd_jt_path_registry::remove_jump_threads_including): ...to this.
(jt_path_registry::thread_through_all_blocks): New.
(back_jt_path_registry::update_cfg): New.
(fwd_jt_path_registry::update_cfg): New.
(jump_thread_path_registry::register_jump_thread): Rename...
(jt_path_registry::register_jump_thread): ...to this.
* tree-ssa-threadupdate.h (class jump_thread_path_registry):
Abstract to...
(class jt_path_registry): ...here.
(class fwd_jt_path_registry): New.
(class back_jt_path_registry): New.
2021-09-10 liuhongt <hongtao.liu@intel.com>
Revert:
2021-09-01 liuhongt <hongtao.liu@intel.com>
* emit-rtl.c (validate_subreg): Get rid of all float-int
special cases.
2021-09-10 Jakub Jelinek <jakub@redhat.com>
* tree-core.h (enum omp_memory_order): Add OMP_MEMORY_ORDER_MASK,
OMP_FAIL_MEMORY_ORDER_UNSPECIFIED, OMP_FAIL_MEMORY_ORDER_RELAXED,
OMP_FAIL_MEMORY_ORDER_ACQUIRE, OMP_FAIL_MEMORY_ORDER_RELEASE,
OMP_FAIL_MEMORY_ORDER_ACQ_REL, OMP_FAIL_MEMORY_ORDER_SEQ_CST and
OMP_FAIL_MEMORY_ORDER_MASK enumerators.
(OMP_FAIL_MEMORY_ORDER_SHIFT): Define.
* gimple-pretty-print.c (dump_gimple_omp_atomic_load,
dump_gimple_omp_atomic_store): Print [weak] for weak atomic
load/store.
* gimple.h (enum gf_mask): Change GF_OMP_ATOMIC_MEMORY_ORDER
to 6-bit mask, adjust GF_OMP_ATOMIC_NEED_VALUE value and add
GF_OMP_ATOMIC_WEAK.
(gimple_omp_atomic_weak_p, gimple_omp_atomic_set_weak): New inline
functions.
* tree.h (OMP_ATOMIC_WEAK): Define.
* tree-pretty-print.c (dump_omp_atomic_memory_order): Adjust for
fail memory order being encoded in the same enum and also print
fail clause if present.
(dump_generic_node): Print weak clause if OMP_ATOMIC_WEAK.
* gimplify.c (goa_stabilize_expr): Add target_expr and rhs arguments,
handle pre_p == NULL case as a test mode that only returns value
but doesn't change gimplify nor change anything otherwise, adjust
recursive calls, add MODIFY_EXPR, ADDR_EXPR, COND_EXPR, TARGET_EXPR
and CALL_EXPR handling, adjust COMPOUND_EXPR handling for
__builtin_clear_padding calls, for !rhs gimplify as lvalue rather
than rvalue.
(gimplify_omp_atomic): Adjust goa_stabilize_expr caller. Handle
COND_EXPR rhs. Set weak flag on gimple load/store for
OMP_ATOMIC_WEAK.
* omp-expand.c (omp_memory_order_to_fail_memmodel): New function.
(omp_memory_order_to_memmodel): Adjust for fail clause encoded
in the same enum.
(expand_omp_atomic_cas): New function.
(expand_omp_atomic_pipeline): Use omp_memory_order_to_fail_memmodel
function.
(expand_omp_atomic): Attempt to optimize atomic compare and exchange
using expand_omp_atomic_cas.
2021-09-10 Aldy Hernandez <aldyh@redhat.com>
Michael Matz <matz@suse.de>
* tree-pass.h (PROP_loop_opts_done): New.
* gimple-range-path.cc (path_range_query::internal_range_of_expr):
Intersect with global range.
* tree-ssa-loop.c (tree_ssa_loop_done): Set PROP_loop_opts_done.
* tree-ssa-threadbackward.c
(back_threader_profitability::profitable_path_p): Disable
threading through latches until after loop optimizations have run.
2021-09-10 David Faust <david.faust@oracle.com>
* doc/invoke.texi: Document BPF -mcpu, -mjmpext, -mjmp32 and -malu32
options.
2021-09-10 David Faust <david.faust@oracle.com>
* config/bpf/bpf-opts.h (bpf_isa_version): New enum.
* config/bpf/bpf-protos.h (bpf_expand_cbranch): New.
* config/bpf/bpf.c (bpf_option_override): Handle -mcpu option.
(bpf_expand_cbranch): New function.
* config/bpf/bpf.md (AM mode iterator): Conditionalize support for SI
mode.
(zero_extendsidi2): Only use mov32 instruction if it is available.
(SIM mode iterator): Conditionalize support for SI mode.
(JM mode iterator): New.
(cbranchdi4): Update name, use new JM iterator. Use bpf_expand_cbranch.
(*branch_on_di): Update name, use new JM iterator.
* config/bpf/bpf.opt: (mjmpext): New option.
(malu32): Likewise.
(mjmp32): Likewise.
(mcpu): Likewise.
(bpf_isa): New enum.
2021-09-10 David Faust <david.faust@oracle.com>
* config/bpf/bpf.md (zero_extendhidi2): Add new output template
for register-to-register extensions.
(zero_extendqidi2): Likewise.
2021-09-10 Richard Biener <rguenther@suse.de>
PR middle-end/102273
* internal-fn.c (expand_DEFERRED_INIT): Always expand non-SSA vars.
2021-09-10 Richard Biener <rguenther@suse.de>
PR middle-end/102269
* gimplify.c (is_var_need_auto_init): Empty types do not need
initialization.
2021-09-10 Richard Biener <rguenther@suse.de>
* configure.ac (--with-stabs): Remove.
* configure: Regenerate.
* doc/install.texi: Remove --with-stabs documentation.
2021-09-10 liuhongt <hongtao.liu@intel.com>
* config/i386/avx512fp16intrin.h: (_mm512_cmp_ph_mask):
New intrinsic.
(_mm512_mask_cmp_ph_mask): Likewise.
(_mm512_cmp_round_ph_mask): Likewise.
(_mm512_mask_cmp_round_ph_mask): Likewise.
(_mm_cmp_sh_mask): Likewise.
(_mm_mask_cmp_sh_mask): Likewise.
(_mm_cmp_round_sh_mask): Likewise.
(_mm_mask_cmp_round_sh_mask): Likewise.
(_mm_comieq_sh): Likewise.
(_mm_comilt_sh): Likewise.
(_mm_comile_sh): Likewise.
(_mm_comigt_sh): Likewise.
(_mm_comige_sh): Likewise.
(_mm_comineq_sh): Likewise.
(_mm_ucomieq_sh): Likewise.
(_mm_ucomilt_sh): Likewise.
(_mm_ucomile_sh): Likewise.
(_mm_ucomigt_sh): Likewise.
(_mm_ucomige_sh): Likewise.
(_mm_ucomineq_sh): Likewise.
(_mm_comi_round_sh): Likewise.
(_mm_comi_sh): Likewise.
* config/i386/avx512fp16vlintrin.h (_mm_cmp_ph_mask): New intrinsic.
(_mm_mask_cmp_ph_mask): Likewise.
(_mm256_cmp_ph_mask): Likewise.
(_mm256_mask_cmp_ph_mask): Likewise.
* config/i386/i386-builtin-types.def: Add corresponding builtin types.
* config/i386/i386-builtin.def: Add corresponding new builtins.
* config/i386/i386-expand.c
(ix86_expand_args_builtin): Handle new builtin types.
(ix86_expand_round_builtin): Ditto.
* config/i386/i386.md (ssevecmode): Add HF mode.
(MODEFH): New mode iterator.
* config/i386/sse.md
(V48H_AVX512VL): New mode iterator to support HF vector modes.
Ajdust corresponding description.
(ssecmpintprefix): New.
(VI12_AVX512VL): Adjust to support HF vector modes.
(cmp_imm_predicate): Likewise.
(<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>):
Likewise.
(avx512f_vmcmp<mode>3<round_saeonly_name>): Likewise.
(avx512f_vmcmp<mode>3_mask<round_saeonly_name>): Likewise.
(<sse>_<unord>comi<round_saeonly_name>): Likewise.
2021-09-10 liuhongt <hongtao.liu@intel.com>
* config/i386/avx512fp16intrin.h: (_mm512_max_ph): New intrinsic.
(_mm512_mask_max_ph): Likewise.
(_mm512_maskz_max_ph): Likewise.
(_mm512_min_ph): Likewise.
(_mm512_mask_min_ph): Likewise.
(_mm512_maskz_min_ph): Likewise.
(_mm512_max_round_ph): Likewise.
(_mm512_mask_max_round_ph): Likewise.
(_mm512_maskz_max_round_ph): Likewise.
(_mm512_min_round_ph): Likewise.
(_mm512_mask_min_round_ph): Likewise.
(_mm512_maskz_min_round_ph): Likewise.
(_mm_max_sh): Likewise.
(_mm_mask_max_sh): Likewise.
(_mm_maskz_max_sh): Likewise.
(_mm_min_sh): Likewise.
(_mm_mask_min_sh): Likewise.
(_mm_maskz_min_sh): Likewise.
(_mm_max_round_sh): Likewise.
(_mm_mask_max_round_sh): Likewise.
(_mm_maskz_max_round_sh): Likewise.
(_mm_min_round_sh): Likewise.
(_mm_mask_min_round_sh): Likewise.
(_mm_maskz_min_round_sh): Likewise.
* config/i386/avx512fp16vlintrin.h (_mm_max_ph): New intrinsic.
(_mm256_max_ph): Likewise.
(_mm_mask_max_ph): Likewise.
(_mm256_mask_max_ph): Likewise.
(_mm_maskz_max_ph): Likewise.
(_mm256_maskz_max_ph): Likewise.
(_mm_min_ph): Likewise.
(_mm256_min_ph): Likewise.
(_mm_mask_min_ph): Likewise.
(_mm256_mask_min_ph): Likewise.
(_mm_maskz_min_ph): Likewise.
(_mm256_maskz_min_ph): Likewise.
* config/i386/i386-builtin-types.def: Add corresponding builtin types.
* config/i386/i386-builtin.def: Add corresponding new builtins.
* config/i386/i386-expand.c
(ix86_expand_args_builtin): Handle new builtin types.
* config/i386/sse.md
(<code><mode>3<mask_name><round_saeonly_name>): Adjust to
support HF vector modes.
(*<code><mode>3<mask_name><round_saeonly_name>): Likewise.
(ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
Likewise.
(<sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name>):
Likewise.
* config/i386/subst.md (round_saeonly_mode512bit_condition):
Adjust for HF vector modes.
2021-09-10 Liu, Hongtao <hongtao.liu@intel.com>
* config/i386/avx512fp16intrin.h (_mm_add_sh): New intrinsic.
(_mm_mask_add_sh): Likewise.
(_mm_maskz_add_sh): Likewise.
(_mm_sub_sh): Likewise.
(_mm_mask_sub_sh): Likewise.
(_mm_maskz_sub_sh): Likewise.
(_mm_mul_sh): Likewise.
(_mm_mask_mul_sh): Likewise.
(_mm_maskz_mul_sh): Likewise.
(_mm_div_sh): Likewise.
(_mm_mask_div_sh): Likewise.
(_mm_maskz_div_sh): Likewise.
(_mm_add_round_sh): Likewise.
(_mm_mask_add_round_sh): Likewise.
(_mm_maskz_add_round_sh): Likewise.
(_mm_sub_round_sh): Likewise.
(_mm_mask_sub_round_sh): Likewise.
(_mm_maskz_sub_round_sh): Likewise.
(_mm_mul_round_sh): Likewise.
(_mm_mask_mul_round_sh): Likewise.
(_mm_maskz_mul_round_sh): Likewise.
(_mm_div_round_sh): Likewise.
(_mm_mask_div_round_sh): Likewise.
(_mm_maskz_div_round_sh): Likewise.
* config/i386/i386-builtin-types.def: Add corresponding builtin types.
* config/i386/i386-builtin.def: Add corresponding new builtins.
* config/i386/i386-expand.c
(ix86_expand_round_builtin): Handle new builtins.
* config/i386/sse.md (VF_128): Change description.
(<sse>_vm<plusminus_insn><mode>3<mask_scalar_name><round_scalar_name>):
Adjust to support HF vector modes.
(<sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name><round_scalar_name>):
Likewise.
2021-09-10 H.J. Lu <hjl.tools@gmail.com>
* config/i386/i386-expand.c
(ix86_avx256_split_vector_move_misalign): Handle V16HF mode.
* config/i386/i386.c
(ix86_preferred_simd_mode): Handle HF mode.
* config/i386/sse.md (V_256H): New mode iterator.
(avx_vextractf128<mode>): Use it.
(VEC_INIT_MODE): Align vector HFmode condition to vector
HImodes since there're no real HF instruction used.
(VEC_INIT_HALF_MODE): Ditto.
(VIHF): Ditto.
(VIHF_AVX512BW): Ditto.
(*vec_extracthf): Ditto.
(VEC_EXTRACT_MODE): Ditto.
2021-09-10 Richard Biener <rguenther@suse.de>
PR target/102255
* config/dbx.h: Remove.
* config/dbxcoff.h: Do not define PREFERRED_DEBUGGING_TYPE.
* config/lynx.h: Likewise.
2021-09-10 liuhongt <hongtao.liu@intel.com>
* config/i386/i386-expand.c (ix86_expand_copysign): Expand
right into ANDNOT + AND + IOR, using paradoxical subregs.
(ix86_split_copysign_const): Remove.
(ix86_split_copysign_var): Ditto.
* config/i386/i386-protos.h (ix86_split_copysign_const): Dotto.
(ix86_split_copysign_var): Ditto.
* config/i386/i386.md (@copysign<mode>3_const): Ditto.
(@copysign<mode>3_var): Ditto.
2021-09-09 qing zhao <qing.zhao@oracle.com>
* builtins.c (expand_builtin_memset): Make external visible.
* builtins.h (expand_builtin_memset): Declare extern.
* common.opt (ftrivial-auto-var-init=): New option.
* doc/extend.texi: Document the uninitialized attribute.
* doc/invoke.texi: Document -ftrivial-auto-var-init.
* flag-types.h (enum auto_init_type): New enumerated type
auto_init_type.
* gimple-fold.c (clear_padding_type): Add one new parameter.
(clear_padding_union): Likewise.
(clear_padding_emit_loop): Likewise.
(clear_type_padding_in_mask): Likewise.
(gimple_fold_builtin_clear_padding): Handle this new parameter.
* gimplify.c (gimple_add_init_for_auto_var): New function.
(gimple_add_padding_init_for_auto_var): New function.
(is_var_need_auto_init): New function.
(gimplify_decl_expr): Add initialization to automatic variables per
users' requests.
(gimplify_call_expr): Add one new parameter for call to
__builtin_clear_padding.
(gimplify_init_constructor): Add padding initialization in the end.
* internal-fn.c (INIT_PATTERN_VALUE): New macro.
(expand_DEFERRED_INIT): New function.
* internal-fn.def (DEFERRED_INIT): New internal function.
* tree-cfg.c (verify_gimple_call): Verify calls to .DEFERRED_INIT.
* tree-sra.c (generate_subtree_deferred_init): New function.
(scan_function): Avoid setting cannot_scalarize_away_bitmap for
calls to .DEFERRED_INIT.
(sra_modify_deferred_init): New function.
(sra_modify_function_body): Handle calls to DEFERRED_INIT specially.
* tree-ssa-structalias.c (find_func_aliases_for_call): Likewise.
* tree-ssa-uninit.c (warn_uninit): Handle calls to DEFERRED_INIT
specially.
(check_defs): Likewise.
(warn_uninitialized_vars): Likewise.
* tree-ssa.c (ssa_undefined_value_p): Likewise.
* tree.c (build_common_builtin_nodes): Build tree node for
BUILT_IN_CLEAR_PADDING when needed.
2021-09-09 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-im.c (fill_always_executed_in_1): Walk
into all subloops.
2021-09-09 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-im.c (fill_always_executed_in_1): Integrate
DOM walk from get_loop_body_in_dom_order using a worklist
approach.
2021-09-09 liuhongt <hongtao.liu@intel.com>
* config.gcc: Add avx512fp16vlintrin.h.
* config/i386/avx512fp16intrin.h: (_mm512_add_ph): New intrinsic.
(_mm512_mask_add_ph): Likewise.
(_mm512_maskz_add_ph): Likewise.
(_mm512_sub_ph): Likewise.
(_mm512_mask_sub_ph): Likewise.
(_mm512_maskz_sub_ph): Likewise.
(_mm512_mul_ph): Likewise.
(_mm512_mask_mul_ph): Likewise.
(_mm512_maskz_mul_ph): Likewise.
(_mm512_div_ph): Likewise.
(_mm512_mask_div_ph): Likewise.
(_mm512_maskz_div_ph): Likewise.
(_mm512_add_round_ph): Likewise.
(_mm512_mask_add_round_ph): Likewise.
(_mm512_maskz_add_round_ph): Likewise.
(_mm512_sub_round_ph): Likewise.
(_mm512_mask_sub_round_ph): Likewise.
(_mm512_maskz_sub_round_ph): Likewise.
(_mm512_mul_round_ph): Likewise.
(_mm512_mask_mul_round_ph): Likewise.
(_mm512_maskz_mul_round_ph): Likewise.
(_mm512_div_round_ph): Likewise.
(_mm512_mask_div_round_ph): Likewise.
(_mm512_maskz_div_round_ph): Likewise.
* config/i386/avx512fp16vlintrin.h: New header.
* config/i386/i386-builtin-types.def (V16HF, V8HF, V32HF):
Add new builtin types.
* config/i386/i386-builtin.def: Add corresponding builtins.
* config/i386/i386-expand.c
(ix86_expand_args_builtin): Handle new builtin types.
(ix86_expand_round_builtin): Likewise.
* config/i386/immintrin.h: Include avx512fp16vlintrin.h
* config/i386/sse.md (VFH): New mode_iterator.
(VF2H): Likewise.
(avx512fmaskmode): Add HF vector modes.
(avx512fmaskhalfmode): Likewise.
(<plusminus_insn><mode>3<mask_name><round_name>): Adjust to for
HF vector modes.
(*<plusminus_insn><mode>3<mask_name><round_name>): Likewise.
(mul<mode>3<mask_name><round_name>): Likewise.
(*mul<mode>3<mask_name><round_name>): Likewise.
(div<mode>3): Likewise.
(<sse>_div<mode>3<mask_name><round_name>): Likewise.
* config/i386/subst.md (SUBST_V): Add HF vector modes.
(SUBST_A): Likewise.
(round_mode512bit_condition): Adjust for V32HFmode.
2021-09-09 liuhongt <hongtao.liu@intel.com>
PR target/101059
* config/i386/sse.md (reduc_plus_scal_<mode>): Split to ..
(reduc_plus_scal_v4sf): .. this, New define_expand.
(reduc_plus_scal_v2df): .. and this, New define_expand.
2021-09-09 liuhongt <hongtao.liu@intel.com>
PR target/91103
* config/i386/sse.md (*vec_extract<mode><ssescalarmodelower>_valign):
New define_insn.
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.
2021-09-08 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.
2021-09-08 Jakub Jelinek <jakub@redhat.com>
liuhongt <hongtao.liu@intel.com>
PR target/89984
* config/i386/i386.md (@xorsign<mode>3_1): Remove.
* config/i386/i386-expand.c (ix86_expand_xorsign): Expand right away
into AND with mask and XOR, using paradoxical subregs.
(ix86_split_xorsign): Remove.
* config/i386/i386-protos.h (ix86_split_xorsign): Remove.
2021-09-08 Di Zhao <dizhao@os.amperecomputing.com>
* tree-ssa-sccvn.c (vn_nary_op_insert_into): fix result compare
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-clobbers for output operand, enable
first alternative even for avx, add another alternative with
=&Yv <- 0, Yv, Yvm constraints.
* config/i386/i386-expand.c (ix86_split_xorsign): If op0 is equal
to op1, emit vpandn instead.
2021-09-08 liuhongt <hongtao.liu@intel.com>
* config/i386/avx512fp16intrin.h (_mm_set_ph): New intrinsic.
(_mm256_set_ph): Likewise.
(_mm512_set_ph): Likewise.
(_mm_setr_ph): Likewise.
(_mm256_setr_ph): Likewise.
(_mm512_setr_ph): Likewise.
(_mm_set1_ph): Likewise.
(_mm256_set1_ph): Likewise.
(_mm512_set1_ph): Likewise.
(_mm_setzero_ph): Likewise.
(_mm256_setzero_ph): Likewise.
(_mm512_setzero_ph): Likewise.
(_mm_set_sh): Likewise.
(_mm_load_sh): Likewise.
(_mm_store_sh): Likewise.
* config/i386/i386-builtin-types.def (V8HF): New type.
(DEF_FUNCTION_TYPE (V8HF, V8HI)): New builtin function type
* config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
Support vector HFmodes.
(ix86_expand_vector_init_one_nonzero): Likewise.
(ix86_expand_vector_init_one_var): Likewise.
(ix86_expand_vector_init_interleave): Likewise.
(ix86_expand_vector_init_general): Likewise.
(ix86_expand_vector_set): Likewise.
(ix86_expand_vector_extract): Likewise.
(ix86_expand_vector_init_concat): Likewise.
(ix86_expand_sse_movcc): Handle vector HFmodes.
(ix86_expand_vector_set_var): Ditto.
* config/i386/i386-modes.def: Add HF vector modes in comment.
* config/i386/i386.c (classify_argument): Add HF vector modes.
(ix86_hard_regno_mode_ok): Allow HF vector modes for AVX512FP16.
(ix86_vector_mode_supported_p): Likewise.
(ix86_set_reg_reg_cost): Handle vector HFmode.
(ix86_get_ssemov): Handle vector HFmode.
(function_arg_advance_64): Pass unamed V16HFmode and V32HFmode
by stack.
(function_arg_advance_32): Pass V8HF/V16HF/V32HF by sse reg for 32bit
mode.
(function_arg_advance_32): Ditto.
* config/i386/i386.h (VALID_AVX512FP16_REG_MODE): New.
(VALID_AVX256_REG_OR_OI_MODE): Rename to ..
(VALID_AVX256_REG_OR_OI_VHF_MODE): .. this, and add V16HF.
(VALID_SSE2_REG_VHF_MODE): New.
(VALID_AVX512VL_128_REG_MODE): Add V8HF and TImode.
(SSE_REG_MODE_P): Add vector HFmode.
* config/i386/i386.md (mode): Add HF vector modes.
(MODE_SIZE): Likewise.
(ssemodesuffix): Add ph suffix for HF vector modes.
* config/i386/sse.md (VFH_128): New mode iterator.
(VMOVE): Adjust for HF vector modes.
(V): Likewise.
(V_256_512): Likewise.
(avx512): Likewise.
(avx512fmaskmode): Likewise.
(shuffletype): Likewise.
(sseinsnmode): Likewise.
(ssedoublevecmode): Likewise.
(ssehalfvecmode): Likewise.
(ssehalfvecmodelower): Likewise.
(ssePScmode): Likewise.
(ssescalarmode): Likewise.
(ssescalarmodelower): Likewise.
(sseintprefix): Likewise.
(i128): Likewise.
(bcstscalarsuff): Likewise.
(xtg_mode): Likewise.
(VI12HF_AVX512VL): New mode_iterator.
(VF_AVX512FP16): Likewise.
(VIHF): Likewise.
(VIHF_256): Likewise.
(VIHF_AVX512BW): Likewise.
(V16_256): Likewise.
(V32_512): Likewise.
(sseintmodesuffix): New mode_attr.
(sse): Add scalar and vector HFmodes.
(ssescalarmode): Add vector HFmode mapping.
(ssescalarmodesuffix): Add sh suffix for HFmode.
(*<sse>_vm<insn><mode>3): Use VFH_128.
(*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
(*ieee_<ieee_maxmin><mode>3): Likewise.
(<avx512>_blendm<mode>): New define_insn.
(vec_setv8hf): New define_expand.
(vec_set<mode>_0): New define_insn for HF vector set.
(*avx512fp16_movsh): Likewise.
(avx512fp16_movsh): Likewise.
(vec_extract_lo_v32hi): Rename to ...
(vec_extract_lo_<mode>): ... this, and adjust to allow HF
vector modes.
(vec_extract_hi_v32hi): Likewise.
(vec_extract_hi_<mode>): Likewise.
(vec_extract_lo_v16hi): Likewise.
(vec_extract_lo_<mode>): Likewise.
(vec_extract_hi_v16hi): Likewise.
(vec_extract_hi_<mode>): Likewise.
(vec_set_hi_v16hi): Likewise.
(vec_set_hi_<mode>): Likewise.
(vec_set_lo_v16hi): Likewise.
(vec_set_lo_<mode>): Likewise.
(*vec_extract<mode>_0): New define_insn_and_split for HF
vector extract.
(*vec_extracthf): New define_insn.
(VEC_EXTRACT_MODE): Add HF vector modes.
(PINSR_MODE): Add V8HF.
(sse2p4_1): Likewise.
(pinsr_evex_isa): Likewise.
(<sse2p4_1>_pinsr<ssemodesuffix>): Adjust to support
insert for V8HFmode.
(pbroadcast_evex_isa): Add HF vector modes.
(AVX2_VEC_DUP_MODE): Likewise.
(VEC_INIT_MODE): Likewise.
(VEC_INIT_HALF_MODE): Likewise.
(avx2_pbroadcast<mode>): Adjust to support HF vector mode
broadcast.
(avx2_pbroadcast<mode>_1): Likewise.
(<avx512>_vec_dup<mode>_1): Likewise.
(<avx512>_vec_dup<mode><mask_name>): Likewise.
(<mask_codefor><avx512>_vec_dup_gpr<mode><mask_name>):
Likewise.
2021-09-08 Guo, Xuepeng <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
Liu Hongtao <hongtao.liu@intel.com>
Wang Hongyu <hongyu.wang@intel.com>
Xu Dianhong <dianhong.xu@intel.com>
* common/config/i386/cpuinfo.h (get_available_features):
Detect FEATURE_AVX512FP16.
* common/config/i386/i386-common.c
(OPTION_MASK_ISA_AVX512FP16_SET,
OPTION_MASK_ISA_AVX512FP16_UNSET,
OPTION_MASK_ISA2_AVX512FP16_SET,
OPTION_MASK_ISA2_AVX512FP16_UNSET): New.
(OPTION_MASK_ISA2_AVX512BW_UNSET,
OPTION_MASK_ISA2_AVX512BF16_UNSET): Add AVX512FP16.
(ix86_handle_option): Handle -mavx512fp16.
* common/config/i386/i386-cpuinfo.h (enum processor_features):
Add FEATURE_AVX512FP16.
* common/config/i386/i386-isas.h: Add entry for AVX512FP16.
* config.gcc: Add avx512fp16intrin.h.
* config/i386/avx512fp16intrin.h: New intrinsic header.
* config/i386/cpuid.h: Add bit_AVX512FP16.
* config/i386/i386-builtin-types.def: (FLOAT16): New primitive type.
* config/i386/i386-builtins.c: Support _Float16 type for i386
backend.
(ix86_register_float16_builtin_type): New function.
(ix86_float16_type_node): New.
* config/i386/i386-c.c (ix86_target_macros_internal): Define
__AVX512FP16__.
* config/i386/i386-expand.c (ix86_expand_branch): Support
HFmode.
(ix86_prepare_fp_compare_args): Adjust TARGET_SSE_MATH &&
SSE_FLOAT_MODE_P to SSE_FLOAT_MODE_SSEMATH_OR_HF_P.
(ix86_expand_fp_movcc): Ditto.
* config/i386/i386-isa.def: Add PTA define for AVX512FP16.
* config/i386/i386-options.c (isa2_opts): Add -mavx512fp16.
(ix86_valid_target_attribute_inner_p): Add avx512fp16 attribute.
* config/i386/i386.c (ix86_get_ssemov): Use
vmovdqu16/vmovw/vmovsh for HFmode/HImode scalar or vector.
(ix86_get_excess_precision): Use
FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 when TARGET_AVX512FP16
existed.
(sse_store_index): Use SFmode cost for HFmode cost.
(inline_memory_move_cost): Add HFmode, and perfer SSE cost over
GPR cost for HFmode.
(ix86_hard_regno_mode_ok): Allow HImode in sse register.
(ix86_mangle_type): Add manlging for _Float16 type.
(inline_secondary_memory_needed): No memory is needed for
16bit movement between gpr and sse reg under
TARGET_AVX512FP16.
(ix86_multiplication_cost): Adjust TARGET_SSE_MATH &&
SSE_FLOAT_MODE_P to SSE_FLOAT_MODE_SSEMATH_OR_HF_P.
(ix86_division_cost): Ditto.
(ix86_rtx_costs): Ditto.
(ix86_add_stmt_cost): Ditto.
(ix86_optab_supported_p): Ditto.
* config/i386/i386.h (VALID_AVX512F_SCALAR_MODE): Add HFmode.
(SSE_FLOAT_MODE_SSEMATH_OR_HF_P): Add HFmode.
(PTA_SAPPHIRERAPIDS): Add PTA_AVX512FP16.
* config/i386/i386.md (mode): Add HFmode.
(MODE_SIZE): Add HFmode.
(isa): Add avx512fp16.
(enabled): Handle avx512fp16.
(ssemodesuffix): Add sh suffix for HFmode.
(comm): Add mult, div.
(plusminusmultdiv): New code iterator.
(insn): Add mult, div.
(*movhf_internal): Adjust for avx512fp16 instruction.
(*movhi_internal): Ditto.
(*cmpi<unord>hf): New define_insn for HFmode.
(*ieee_s<ieee_maxmin>hf3): Likewise.
(extendhf<mode>2): Likewise.
(trunc<mode>hf2): Likewise.
(float<floatunssuffix><mode>hf2): Likewise.
(*<insn>hf): Likewise.
(cbranchhf4): New expander.
(movhfcc): Likewise.
(<insn>hf3): Likewise.
(mulhf3): Likewise.
(divhf3): Likewise.
* config/i386/i386.opt: Add mavx512fp16.
* config/i386/immintrin.h: Include avx512fp16intrin.h.
* doc/invoke.texi: Add mavx512fp16.
* doc/extend.texi: Add avx512fp16 Usage Notes.
2021-09-08 liuhongt <hongtao.liu@intel.com>
* common.opt: Support -fexcess-precision=16.
* config/aarch64/aarch64.c (aarch64_excess_precision): Return
FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 when
EXCESS_PRECISION_TYPE_FLOAT16.
* config/arm/arm.c (arm_excess_precision): Ditto.
* config/i386/i386.c (ix86_get_excess_precision): Ditto.
* config/m68k/m68k.c (m68k_excess_precision): Issue an error
when EXCESS_PRECISION_TYPE_FLOAT16.
* config/s390/s390.c (s390_excess_precision): Ditto.
* coretypes.h (enum excess_precision_type): Add
EXCESS_PRECISION_TYPE_FLOAT16.
* doc/tm.texi (TARGET_C_EXCESS_PRECISION): Update documents.
* doc/tm.texi.in (TARGET_C_EXCESS_PRECISION): Ditto.
* doc/extend.texi (Half-Precision): Document
-fexcess-precision=16.
* flag-types.h (enum excess_precision): Add
EXCESS_PRECISION_FLOAT16.
* target.def (excess_precision): Update document.
* tree.c (excess_precision_type): Set excess_precision_type to
EXCESS_PRECISION_FLOAT16 when -fexcess-precision=16.
2021-09-08 liuhongt <hongtao.liu@intel.com>
* doc/extend.texi: (@node Floating Types): Adjust the wording.
(@node Half-Precision): Ditto.
2021-09-07 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
PR target/102115
* config/xtensa/xtensa.c (xtensa_emit_move_sequence): Add
'CONST_INT_P (src)' to the condition of the block that tries to
eliminate literal when loading integer contant.
2021-09-07 David Faust <david.faust@oracle.com>
* doc/extend.texi (BPF Type Attributes) New node.
Document new preserve_access_index attribute.
Document new preserve_access_index builtin.
* doc/invoke.texi: Document -mco-re and -mno-co-re options.
2021-09-07 David Faust <david.faust@oracle.com>
* config/bpf/bpf.c: Adjust includes.
(bpf_handle_preserve_access_index_attribute): New function.
(bpf_attribute_table): Use it here.
(bpf_builtins): Add BPF_BUILTIN_PRESERVE_ACCESS_INDEX.
(bpf_option_override): Handle "-mco-re" option.
(bpf_asm_init_sections): New.
(TARGET_ASM_INIT_SECTIONS): Redefine.
(bpf_file_end): New.
(TARGET_ASM_FILE_END): Redefine.
(bpf_init_builtins): Add "__builtin_preserve_access_index".
(bpf_core_compute, bpf_core_get_index): New.
(is_attr_preserve_access): New.
(bpf_expand_builtin): Handle new builtins.
(bpf_core_newdecl, bpf_core_is_maybe_aggregate_access): New.
(bpf_core_walk): New.
(bpf_resolve_overloaded_builtin): New.
(TARGET_RESOLVE_OVERLOADED_BUILTIN): Redefine.
(handle_attr): New.
(pass_bpf_core_attr): New RTL pass.
* config/bpf/bpf-passes.def: New file.
* config/bpf/bpf-protos.h (make_pass_bpf_core_attr): New.
* config/bpf/coreout.c: New file.
* config/bpf/coreout.h: Likewise.
* config/bpf/t-bpf (TM_H): Add $(srcdir)/config/bpf/coreout.h.
(coreout.o): New rule.
(PASSES_EXTRA): Add $(srcdir)/config/bpf/bpf-passes.def.
* config.gcc (bpf): Add coreout.h to extra_headers.
Add coreout.o to extra_objs.
Add $(srcdir)/config/bpf/coreout.c to target_gtfiles.
2021-09-07 David Faust <david.faust@oracle.com>
* btfout.c (get_btf_id): Function is no longer static.
* ctfc.h: Expose it here.
2021-09-07 David Faust <david.faust@oracle.com>
* ctfc.c (ctf_lookup_tree_type): New function.
* ctfc.h: Likewise.
2021-09-07 David Faust <david.faust@oracle.com>
* ctfc.c (ctf_dtd_lookup): Function is no longer static.
* ctfc.h: Analogous change.
2021-09-07 David Faust <david.faust@oracle.com>
* dwarf2out.c (lookup_type_die): Function is no longer static.
* dwarf2out.h: Expose it here.
2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
* dwarf2ctf.c (ctf_debug_finalize): Make it static.
(ctf_debug_early_finish): New definition.
(ctf_debug_finish): Likewise.
* dwarf2ctf.h (ctf_debug_finalize): Remove declaration.
(ctf_debug_early_finish): New declaration.
(ctf_debug_finish): Likewise.
* dwarf2out.c (dwarf2out_finish): Invoke ctf_debug_finish.
(dwarf2out_early_finish): Invoke ctf_debug_early_finish.
2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
* config/bpf/bpf.c (bpf_option_override): For BPF backend, disable LTO
support when compiling for CO-RE.
* config/bpf/bpf.opt: Add new command line option -mco-re.
2021-09-07 Indu Bhagat <indu.bhagat@oracle.com>
* flag-types.h (enum debug_info_type): Add new enum
DINFO_TYPE_BTF_WITH_CORE.
(BTF_WITH_CORE_DEBUG): New bitmask.
* flags.h (btf_with_core_debuginfo_p): New declaration.
* opts.c (btf_with_core_debuginfo_p): New definition.
2021-09-07 Jason Merrill <jason@redhat.com>
* tree.h (error_operand_p): Change to inline function.
2021-09-07 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadedge.c (forwarder_block_p): Rename to...
(empty_block_with_phis_p): ...this.
(potentially_threadable_block): Same.
(jump_threader::thread_through_normal_block): Same.
2021-09-07 Eric Botcazou <ebotcazou@adacore.com>
PR debug/101947
* dwarf2out.c (mark_base_types): New overloaded function.
(dwarf2out_early_finish): Invoke it on the COMDAT type list as well
as the compilation unit, and call move_marked_base_types afterward.
2021-09-07 H.J. Lu <hjl.tools@gmail.com>
PR target/85819
* config/i386/i386-expand.c (ix86_expand_convert_uns_sisf_sse):
Enable FMA.
(ix86_expand_vector_convert_uns_vsivsf): Likewise.
2021-09-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/102226
* tree-vect-loop.c (vect_transform_cycle_phi): Record
the converted value for the epilogue PHI use.
2021-09-07 Martin Liska <mliska@suse.cz>
PR gcov-profile/80223
* ipa-inline.c (can_inline_edge_p): Similarly to sanitizer
options, do not inline when no_profile_instrument_function
attributes are different in early inliner. It's fine to inline
it after PGO instrumentation.
2021-09-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/101555
* tree-ssa-pre.c (translate_vuse_through_block): Do not
perform an alias walk to determine the validity of the
mem at the start of the block which is already guaranteed
by means of prune_clobbered_mems.
(phi_translate_1): Pass edge to translate_vuse_through_block.
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.
2021-09-07 YunQiang Su <yunqiang.su@cipunited.com>
* config/mips/mips.c (mips_file_start): add .module for
arch and ase.
2021-09-06 Roger Sayle <roger@nextmovesoftware.com>
* wide-int.cc (wi::clz): Reorder tests to ensure the result
is zero for all negative values.
2021-09-06 Tobias Burnus <tobias@codesourcery.com>
* doc/invoke.texi (-foffload-options): Fix @opindex.
2021-09-06 H.J. Lu <hjl.tools@gmail.com>
PR target/89984
* config/i386/i386-expand.c (ix86_split_xorsign): Use operands[2].
* config/i386/i386.md (@xorsign<mode>3_1): Add non-destructive
source alternative for AVX.
2021-09-06 liuhongt <hongtao.liu@intel.com>
PR middle-end/102182
* optabs.c (expand_fix): Add from1 to avoid from being
overwritten.
2021-09-06 Eric Botcazou <ebotcazou@adacore.com>
* dwarf2out.c (modified_type_die): Deal with all array types earlier
and use local variable consistently throughout the function.
2021-09-06 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102207
* match.pd: Don't demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
were promoted from signed to wider unsigned type.
2021-09-06 Andrew Pinski <apinski@marvell.com>
PR tree-optimization/63184
* match.pd: Add simplification of pointer_diff of two pointer_plus
with addr_expr in the first operand of each pointer_plus.
Add simplificatoin of ne/eq of two pointer_plus with addr_expr
in the first operand of each pointer_plus.
2021-09-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/102176
* tree-vect-slp.c (vect_slp_gather_vectorized_scalar_stmts):
New function.
(vect_bb_slp_scalar_cost): Use the computed set of
vectorized scalar stmts instead of relying on the out-of-date
and not accurate PURE_SLP_STMT.
(vect_bb_vectorization_profitable_p): Compute the set
of vectorized scalar stmts.
2021-09-05 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-path.cc (path_range_query::range_of_stmt): Remove
GIMPLE_COND special casing.
(path_range_query::range_defined_in_block): Use range_of_stmt
instead of calling fold_range directly.
2021-09-05 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-path.cc (path_range_query::range_of_expr): Set
m_undefined_path when appropriate.
(path_range_query::internal_range_of_expr): Copy from range_of_expr.
(path_range_query::unreachable_path_p): New.
(path_range_query::precompute_ranges): Set m_undefined_path.
* gimple-range-path.h (path_range_query::unreachable_path_p): New.
(path_range_query::internal_range_of_expr): New.
* tree-ssa-threadbackward.c (back_threader::find_taken_edge_cond):
Use unreachable_path_p.
2021-09-05 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c (back_threader::maybe_register_path):
Remove argument and call find_taken_edge.
(back_threader::resolve_phi): Do not calculate taken edge before
calling maybe_register_path.
(back_threader::find_paths_to_names): Same.
2021-09-05 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/h8300.md (QHSI2 mode iterator): New mode iterator.
* config/h8300/testcompare.md (store_c): Update name, use new
QHSI2 iterator.
(store_neg_c, store_shifted_c): New patterns.
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.
2021-09-03 Andrew Pinski <apinski@marvell.com>
* config/aarch64/aarch64-sve-builtins.cc (register_vector_type):
Handle error_mark_node as the type of the type_decl.
2021-09-03 Andrew Pinski <apinski@marvell.com>
* config/aarch64/aarch64-builtins.c (struct aarch64_simd_type_info):
Mark with GTY.
(aarch64_simd_types): Likewise.
(aarch64_simd_intOI_type_node): Likewise.
(aarch64_simd_intCI_type_node): Likewise.
(aarch64_simd_intXI_type_node): Likewise.
* config/aarch64/aarch64.h (aarch64_fp16_type_node): Likewise.
(aarch64_fp16_ptr_type_node): Likewise.
(aarch64_bf16_type_node): Likewise.
(aarch64_bf16_ptr_type_node): Likewise.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* range-op.cc (operator_minus::op1_op2_relation_effect): Abstract
out to...
(minus_op1_op2_relation_effect): ...here.
(class operator_pointer_diff): New.
(operator_pointer_diff::op1_op2_relation_effect): Call
minus_op1_op2_relation_effect.
(integral_table::integral_table): Add entry for POINTER_DIFF_EXPR.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c (back_threader::thread_through_all_blocks):
Add may_peel_loop_headers.
(back_threader_registry::thread_through_all_blocks): Same.
(try_thread_blocks): Pass may_peel_loop_headers argument.
(pass_early_thread_jumps::execute): Same.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadedge.c (has_phis_p): New.
(forwarder_block_p): New.
(potentially_threadable_block): Call forwarder_block_p.
(jump_threader::thread_around_empty_blocks): Call has_phis_p.
(jump_threader::thread_through_normal_block): Call
forwarder_block_p.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadbackward.c (back_threader::dump): New.
(back_threader::debug): New.
(back_threader_profitability::profitable_path_p): Dump blocks
even if we are bailing early.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadupdate.c (cancel_thread): New.
(jump_thread_path_registry::thread_block_1): Use cancel_thread.
(jump_thread_path_registry::mark_threaded_blocks): Same.
(jump_thread_path_registry::register_jump_thread): Same.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadedge.c (jt_state::push): Only call methods for
which objects are available.
(jt_state::pop): Same.
(jt_state::register_equiv): Same.
(jt_state::register_equivs_on_edge): Same.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadedge.c (jump_threader::thread_across_edge):
Move pop until after a thread is registered.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-threadupdate.c (debug): New.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-trace.cc (push_dump_file::push_dump_file): New.
(push_dump_file::~push_dump_file): New.
(dump_ranger): Change dump_file temporarily while dumping
ranger.
* gimple-range-trace.h (class push_dump_file): New.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-trace.cc (debug_seed_ranger): Remove static.
(dump_ranger): Dump function name.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-path.cc (path_range_query::range_defined_in_block):
Adjust for non-null.
(path_range_query::adjust_for_non_null_uses): New.
(path_range_query::precompute_ranges): Call
adjust_for_non_null_uses.
* gimple-range-path.h: Add m_non_null and
adjust_for_non_null_uses.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-path.cc (path_range_query::dump): Dump path
length.
(path_range_query::precompute_ranges): Dump entire path.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* value-relation.cc (relation_oracle::debug): New.
* value-relation.h (relation_oracle::debug): New.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-loop-ch.c: Remove unnecessary include file.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-fold.cc (fold_using_range::postfold_gcond_edges):
Skip statements with no defining BB.
* gimple-range-path.cc (path_range_query::range_defined_in_block):
Do not get confused by statements with no defining BB.
2021-09-03 Aldy Hernandez <aldyh@redhat.com>
* gimple-range-fold.cc (adjust_imagpart_expr): Move from
gimple_range_adjustment. Add support for constants.
(adjust_realpart_expr): New.
(gimple_range_adjustment): Move IMAGPART_EXPR code to
adjust_imagpart_expr.
* range-op.cc (integral_table::integral_table): Add entry for
REALPART_CST.
2021-09-03 Jakub Jelinek <jakub@redhat.com>
* omp-expand.c (expand_omp_atomic_pipeline): Use
IFN_ATOMIC_COMPARE_EXCHANGE instead of
BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_? so that memory order
can be provided.
2021-09-03 Jakub Jelinek <jakub@redhat.com>
PR target/102024
* tree.h (DECL_FIELD_ABI_IGNORED): Changed into rvalue only macro
that is false if DECL_BIT_FIELD.
(SET_DECL_FIELD_ABI_IGNORED, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD,
SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD): Define.
* tree-streamer-out.c (pack_ts_decl_common_value_fields): For
DECL_BIT_FIELD stream DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead
of DECL_FIELD_ABI_IGNORED.
* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
SET_DECL_FIELD_ABI_IGNORED instead of writing to
DECL_FIELD_ABI_IGNORED and for DECL_BIT_FIELD use
SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead.
* lto-streamer-out.c (hash_tree): For DECL_BIT_FIELD hash
DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD instead of DECL_FIELD_ABI_IGNORED.
2021-09-03 liuhongt <hongtao.liu@intel.com>
PR target/102166
* config/i386/amxbf16intrin.h : Remove macro check for __AMX_BF16__.
* config/i386/amxint8intrin.h : Remove macro check for __AMX_INT8__.
* config/i386/amxtileintrin.h : Remove macro check for __AMX_TILE__.
2021-09-02 Martin Sebor <msebor@redhat.com>
PR tree-optimization/17506
PR testsuite/37182
* tree-ssa-uninit.c (warn_uninit): Remove conditional guarding note.
2021-09-02 Richard Biener <rguenther@suse.de>
* tree-ssa-loop-im.c (fill_always_executed_in_1): Refine
fix for PR78185 and continue processing when leaving
finite inner loops.
2021-09-02 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/99591
* match.pd: Demote operands of IFN_{ADD,SUB,MUL}_OVERFLOW if they
were promoted.
2021-09-02 Richard Biener <rguenther@suse.de>
Revert:
2021-09-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/102155
* tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
over a part of the RPO array and do not recurse here.
Dump blocks marked as always executed.
(fill_always_executed_in): Walk over the RPO array and
process loops whose header we run into.
(loop_invariant_motion_in_fun): Compute the first RPO
using rev_post_order_and_mark_dfs_back_seme in iteration
order and pass that to fill_always_executed_in.
2021-09-02 liuhongt <hongtao.liu@intel.com>
* config/i386/i386-modes.def (FLOAT_MODE): Define ieee HFmode.
* config/i386/i386.c (enum x86_64_reg_class): Add
X86_64_SSEHF_CLASS.
(merge_classes): Handle X86_64_SSEHF_CLASS.
(examine_argument): Ditto.
(construct_container): Ditto.
(classify_argument): Ditto, and set HFmode/HCmode to
X86_64_SSEHF_CLASS.
(function_value_32): Return _FLoat16/Complex Float16 by
%xmm0.
(function_value_64): Return _Float16/Complex Float16 by SSE
register.
(ix86_print_operand): Handle CONST_DOUBLE HFmode.
(ix86_secondary_reload): Require gpr as intermediate register
to store _Float16 from sse register when sse4 is not
available.
(ix86_libgcc_floating_mode_supported_p): Enable _FLoat16 under
sse2.
(ix86_scalar_mode_supported_p): Ditto.
(TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Defined.
* config/i386/i386.h (VALID_SSE2_REG_MODE): Add HFmode.
(VALID_INT_MODE_P): Add HFmode and HCmode.
* config/i386/i386.md (*pushhf_rex64): New define_insn.
(*pushhf): Ditto.
(*movhf_internal): Ditto.
* doc/extend.texi (Half-Precision Floating Point): Documemt
_Float16 for x86.
2021-09-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/102155
* tree-ssa-loop-im.c (fill_always_executed_in_1): Iterate
over a part of the RPO array and do not recurse here.
Dump blocks marked as always executed.
(fill_always_executed_in): Walk over the RPO array and
process loops whose header we run into.
(loop_invariant_motion_in_fun): Compute the first RPO
using rev_post_order_and_mark_dfs_back_seme in iteration
order and pass that to fill_always_executed_in.
2021-09-02 YunQiang Su <syq@debian.org>
Revert:
2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
* config/mips/mips.c (mips_module_isa_name): New.
mips_file_start: add .module mipsREV to all asm output
2021-09-01 Jeff Law <jlaw@localhost.localdomain>
PR tree-optimization/102152
* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
comparison to a scalar comparison before calling
update_stmt_if_modified.
2021-09-01 Andrew Pinski <apinski@marvell.com>
PR target/101934
* config/aarch64/aarch64.c (aarch64_expand_setmem):
Check STRICT_ALIGNMENT before creating an overlapping
store.
2021-09-01 Martin Sebor <msebor@redhat.com>
* gimple-ssa-warn-access.cc (get_size_range): Add argument.
(check_access): Pass additional argument.
(check_memop_access): Remove template and make a member function.
(maybe_check_dealloc_call): Make a pass_waccess member function.
(class pass_waccess): Add, rename, and remove members.
(pass_waccess::pass_waccess): Adjust to name change.
(pass_waccess::~pass_waccess): Same.
(check_alloca): Make a member function.
(check_alloc_size_call): Same.
(check_strcat): Same.
(check_strncat): Same.
(check_stxcpy): Same.
(check_stxncpy): Same.
(check_strncmp): Same.
(maybe_warn_rdwr_sizes): Rename...
(pass_waccess::maybe_check_access_sizes): ...to this.
(pass_waccess::check_call): Adjust to name changes.
(pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
function.
(pass_waccess::execute): Adjust to name changes.
* gimple-ssa-warn-access.h (check_memop_access): Remove.
* pointer-query.cc (access_ref::phi): Handle null pointer.
(access_ref::inform_access): Same.
(pointer_query::put_ref): Modify a cached value, not a copy of it.
(pointer_query::dump): New function.
(compute_objsize_r): Avoid overwriting access_ref::bndrng. Cache
more results.
* pointer-query.h (pointer_query::dump): Declare.
* tree-ssa-strlen.c (get_range): Simplify. Use function query.
(dump_strlen_info): Use function query.
(printf_strlen_execute): Factor code out into pointer_query::put_ref.
2021-09-01 Thomas Schwinge <thomas@codesourcery.com>
* tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* doc/extend.texi: Document unavailable attribute.
* print-tree.c (print_node): Handle unavailable attribute.
* tree-core.h (struct tree_base): Add a bit to carry unavailability.
* tree.c (error_unavailable_use): New.
* tree.h (TREE_UNAVAILABLE): New.
(error_unavailable_use): New.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102124
* tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
MINUS_EXPR, if itype is unsigned with smaller precision than type,
add an extra cast to signed variant of itype to ensure sign-extension.
2021-09-01 Martin Liska <mliska@suse.cz>
* graph.c (draw_cfg_node_succ_edges): Do not color fallthru
edges and rather use colors for TRUE and FALSE edges.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/93491
* tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
after processing the stmt itself. Do not consider
pure functions possibly not returning. Properly avoid
adding possibly trapping calls to EXP_GEN when there's
a preceeding possibly not returning call.
* tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
not handle calls.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/102139
* tree-vectorizer.h (vec_base_alignments): Adjust hash-map
type to record a std::pair of the stmt-info and the innermost
loop behavior.
(dr_vec_info::group): New member.
* tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
(vect_compute_data_ref_alignment): Verify the recorded
base alignment can be used.
(data_ref_pair): Remove.
(dr_group_sort_cmp): Adjust.
(vect_analyze_data_ref_accesses): Store the group-ID in the
dr_vec_info and operate on a vector of dr_vec_infos.
2021-09-01 YunQiang Su <yunqiang.su@cipunited.com>
* read-md.c (md_reader::handle_enum): support value assignation.
* doc/md.texi: record define_c_enum value assignation support.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102141
* gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
argument. If false, emit stmts after gsi instead of before, and
with GSI_NEW_STMT.
(bswap_replace): Adjust callers. When converting output of bswap,
emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
of before it.
2021-09-01 liuhongt <hongtao.liu@intel.com>
* emit-rtl.c (validate_subreg): Get rid of all float-int
special cases.
2021-09-01 liuhongt <hongtao.liu@intel.com>
Revert:
2021-08-30 liuhongt <hongtao.liu@intel.com>
* expmed.c (extract_bit_field_1): Make sure we're playing with
integral modes before call extract_integral_bit_field.
(extract_integral_bit_field): Add a parameter of type
scalar_int_mode which corresponds to of tmode.
And call extract_and_convert_fixed_bit_field instead of
extract_fixed_bit_field and convert_extracted_bit_field.
(extract_and_convert_fixed_bit_field): New function, it's a
combination of extract_fixed_bit_field and
convert_extracted_bit_field.
2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
* tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
* omp-general.h (omp_is_reference): Rename to...
(omp_privatize_by_reference): ... this. Adjust all users...
* omp-general.c: ... here, ...
* gimplify.c: ... here, ...
* omp-expand.c: ... here, ...
* omp-low.c: ... here.
2021-08-31 Martin Sebor <msebor@redhat.com>
* gimple-ssa-warn-access.cc (maybe_warn_alloc_args_overflow): Test
pointer element for equality to zero, not that of the cotaining
array.
2021-08-31 Martin Sebor <msebor@redhat.com>
* gcc-rich-location.h (gcc_rich_location): Make ctor explicit.
2021-08-31 Martin Sebor <msebor@redhat.com>
* function.h (function): Add comments.
(get_range_query): Same. Add attribute returns nonnull.
2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
* expr.c (convert_modes): Don't use subreg_promoted_mode on a
SUBREG if it can't be guaranteed to a SUBREG_PROMOTED_VAR_P set.
Instead use the standard (safer) is_a <scalar_int_mode> idiom.
2021-08-31 Jeff Law <jlaw@localhost.localdomain>
* config.gcc (cris-*-elf, cris-*-none): Remove dbxelf.h from
tm_file.
(m32r-*-elf, m32rle-*-elf, m32r-*-linux): Likewise.
(mn10300-*-*, am33_2.0-*-linux*): Likewise.
(xtensa*-*-elf, xtensa*-*-linux, xtensa*-*-uclinux): Likewise.
(m32c-*-elf*, m32c-*-rtems*): Likewise.
* config/cris/cris.h (DBX_NO_XREFS): Remove.
(DBX_CONTIN_LENGTH, DBX_CONTIN_CHAR): Likewise.
* config/m32r/m32r.h (DBXOUT_SOURCE_LINE): Likewise.
(DBX_DEBUGGING_INFO, DBX_CONTIN_LENGTH): Likewise.
* config/mn10300/mn10300.h (DEFAULT_GDB_EXTENSIONS): Likewise.
* config/mn10300/linux.h (DBX_REGISTER_NAMES): Likewise.
2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
* gimplify.c (gimplify_scan_omp_clauses): Error handling. 'ancestor' only
allowed on target constructs and only with particular other clauses.
* omp-expand.c (expand_omp_target): Output of 'sorry, not supported' if
'ancestor' is used.
* omp-low.c (check_omp_nesting_restrictions): Error handling. No nested OpenMP
structs when 'ancestor' is used.
(scan_omp_1_stmt): No usage of OpenMP runtime routines in a target region when
'ancestor' is used.
* tree-pretty-print.c (dump_omp_clause): Append 'ancestor'.
* tree.h (OMP_CLAUSE_DEVICE_ANCESTOR): Define macro.
2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
* expr.c (convert_modes): Preserve SUBREG_PROMOTED_VAR_P when
creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
subreg.
* simplify-rtx.c (simplify_unary_operation_1) [SIGN_EXTEND]:
Likewise, preserve SUBREG_PROMOTED_VAR_P when creating a (wider)
partial subreg from a SUBREG_PROMOTED_VAR_P subreg. Generate
SIGN_EXTEND of the SUBREG_REG when a subreg would be paradoxical.
[ZERO_EXTEND]: Likewise, preserve SUBREG_PROMOTED_VAR_P when
creating a (wider) partial subreg from a SUBREG_PROMOTED_VAR_P
subreg. Generate ZERO_EXTEND of the SUBREG_REG when a subreg
would be paradoxical.
2021-08-31 Roger Sayle <roger@nextmovesoftware.com>
* combine.c (combine_simplify_rtx): Avoid converting an explicit
TRUNCATE into a lowpart SUBREG on !TRULY_NOOP_TRUNCATION targets.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
2021-08-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/102142
* tree-vect-slp.c (vect_bb_vectorization_profitable_p): Fix
condition under which to unset the visited flag.
2021-08-31 Richard Biener <rguenther@suse.de>
PR middle-end/102129
* tree-ssa-ter.c (find_replaceable_in_bb): Do not move
possibly trapping expressions across calls.
2021-08-31 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102134
* tree-ssa-ccp.c (bit_value_binop) <case RSHIFT_EXPR>: If sgn is
UNSIGNED and r1val | r1mask has MSB set, ensure lzcount doesn't
become negative.
2021-08-31 Andrew Pinski <apinski@marvell.com>
PR driver/79181
* collect-utils.c (setup_signals): New declaration.
* collect-utils.h (setup_signals): New function.
* collect2.c (handler): Delete.
(main): Instead of manually setting up the signals,
just call setup_signals.
* lto-wrapper.c (main): Likewise.
2021-08-31 Andrew Pinski <apinski@marvell.com>
PR target/56337
* config/i386/i386-protos.h (x86_output_aligned_bss):
Change align argument to unsigned type.
(x86_elf_aligned_decl_common): Likewise.
* config/i386/i386.c (x86_elf_aligned_decl_common): Likewise.
(x86_output_aligned_bss): Likewise.
2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
* config/mips/mips.c (mips_module_isa_name): New.
mips_file_start: add .module mipsREV to all asm output
2021-08-31 YunQiang Su <yunqiang.su@cipunited.com>
* config/mips/mips.h (struct mips_cpu_info): define enum mips_isa;
use enum instead of int for 'isa' member.
* config.gcc, config/mips/mips.c, config/mips/mips-cpus.def,
config/mips/netbsd.h: replace hardcoded numbers with enum.
2021-08-31 liuhongt <hongtao.liu@intel.com>
* config/i386/sse.md (*<avx512>_ucmp<mode>3_1): Change from
define_split to define_insn_and_split.
(*avx2_eq<mode>3): Removed.
(<avx512>_eq<mode>3<mask_scalar_merge_name>): Adjust pattern
(<avx512>_eq<mode>3<mask_scalar_merge_name>_1): Rename to ..
(*<avx512>_eq<mode>3<mask_scalar_merge_name>_1): .. this, and
adjust pattern.
(*avx2_gt<mode>3): Removed.
(<avx512>_gt<mode>3<mask_scalar_merge_name>): Change from
define_insn to define_expand, and adjust pattern.
(UNSPEC_MASKED_EQ, UNSPEC_MASKED_GT): Removed.
2021-08-30 David Malcolm <dmalcolm@redhat.com>
PR analyzer/99260
* Makefile.in (ANALYZER_OBJS): Add analyzer/call-info.o.
2021-08-30 Jason Merrill <jason@redhat.com>
* doc/invoke.texi: Document -Wmissing-requires.
2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove
TARGET_EXTRA_BUILTINS guard.
2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Change
initialization of V2DI_type_node and unsigned_V2DI_type_node.
2021-08-30 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Use the new
decl when new_builtins_are_live.
* config/rs6000/rs6000-builtin-new.def (__builtin_cfstring): New
built-in.
2021-08-30 Pat Haugen <pthaugen@linux.ibm.com>
* config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Add
OPTION_MASK_P10_FUSION_2STORE.
(POWERPC_MASKS): Likewise.
* config/rs6000/rs6000.c (rs6000_option_override_internal): Enable
store fusion for Power10.
(is_fusable_store): New.
(power10_sched_reorder): Likewise.
(rs6000_sched_reorder): Do Power10 specific reordering.
(rs6000_sched_reorder2): Likewise.
* config/rs6000/rs6000.opt: Add new option.
2021-08-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/102128
* tree-vect-slp.c (vect_bb_vectorization_profitable_p):
Move scanning for if-converted scalar code to the caller
and instead delay clearing the visited flag for profitable
subgraphs.
(vect_slp_region): Cost all subgraphs before scheduling.
For if-converted BB vectorization scan for scalar COND_EXPRs
and do not vectorize if any found and the cost model is
very-cheap.
2021-08-30 Richard Biener <rguenther@suse.de>
* common.opt (fexceptions): Mark
EnabledBy(fnon-call-exceptions).
* doc/invoke.texi (fnon-call-exceptions): Document this
enables -fexceptions.
2021-08-30 Sebastian Huber <sebastian.huber@embedded-brains.de>
* tsystem.h (abort): Define abort() if inhibit_libc is defined and it
is not already defined.
2021-08-30 liuhongt <hongtao.liu@intel.com>
* expmed.c (extract_bit_field_1): Make sure we're playing with
integral modes before call extract_integral_bit_field.
(extract_integral_bit_field): Add a parameter of type
scalar_int_mode which corresponds to of tmode.
And call extract_and_convert_fixed_bit_field instead of
extract_fixed_bit_field and convert_extracted_bit_field.
(extract_and_convert_fixed_bit_field): New function, it's a
combination of extract_fixed_bit_field and
convert_extracted_bit_field.
2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (darwin_libc_has_function): Do not run
the checks for x86 or modern Darwin. Make sure that there
is a value set for darwin_macosx_version_min before testing.
2021-08-29 Iain Sandoe <iain@sandoe.co.uk>
* config/i386/darwin.h (CLEAR_INSN_CACHE): New.
2021-08-28 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref-tree.h (modref_access_node::merge): Break out
logic combining offsets and logic merging ranges to ...
(modref_access_node::combined_offsets): ... here
(modref_access_node::update2): ... here
(modref_access_node::closer_pair_p): New member function.
(modref_access_node::forced_merge): New member function.
(modre_ref_node::insert): Do merging when table is full.
2021-08-28 YunQiang Su <yunqiang.su@cipunited.com>
PR target/102089
* config.gcc: MIPS: use N64 ABI by default if the triple end
with -gnuabi64, which is used by Debian since 2013.
2021-08-28 Alexandre Oliva <oliva@adacore.com>
* ipa-modref.c (analyze_function): Skip debug stmts.
* tree-inline.c (estimate_num_insn): Consider builtins even
without a cgraph_node.
2021-08-27 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/bitfield.md (cstore<mode>4): Remove expander.
* config/h8300/h8300.c (h8300_expand_branch): Remove function.
* config/h8300/h8300-protos.h (h8300_expadn_branch): Remove prototype.
* config/h8300/h8300.md (eqne): New code iterator.
(geultu, geultu_to_c): Similarly.
* config/h8300/testcompare.md (cstore<mode>4): Dummy expander.
(store_c_<mode>, store_c_i_<mode>): New define_insn_and_splits
(cmp<mode>_c): New pattern
2021-08-27 Jeff Law <jlaw@localhost.localdomain>
* tree-ssa-dom.c (reduce_vector_comparison_to_scalar_comparison): New
function.
(dom_opt_dom_walker::optimize_stmt): Use it.
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.
2021-08-27 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-call.c (rs6000-builtins.h): New #include.
(rs6000_init_builtins): Call rs6000_init_generated_builtins. Skip the
old initialization logic when new builtins are enabled.
* config/rs6000/rs6000-gen-builtins.c (write_decls): Rename
rs6000_autoinit_builtins to rs6000_init_generated_builtins.
(write_init_file): Likewise.
2021-08-27 Iain Sandoe <iain@sandoe.co.uk>
* configure.ac (darwin2[[0-9]]* | darwin19*): Alter use of
gcc_GAS_CHECK_FEATURE to remove an extraneous parameter.
(amdgcn-* | gcn-*) Likewise.
2021-08-27 Anthony Sharp <anthonysharp15@gmail.com>
* symbol-summary.h: Added missing template keyword.
2021-08-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/45178
* tree-ssa-dce.c (find_obviously_necessary_stmts): For
infinite loops without exit do not mark control dependent
edges of the latch necessary.
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
2021-08-27 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (rs6000_builtin_md_vectorized_function): Add
support for built-in functions MISC_BUILTIN_DIVWE, MISC_BUILTIN_DIVWEU,
MISC_BUILTIN_DIVDE, MISC_BUILTIN_DIVDEU, P10_BUILTIN_CFUGED,
P10_BUILTIN_CNTLZDM, P10_BUILTIN_CNTTZDM, P10_BUILTIN_PDEPD and
P10_BUILTIN_PEXTD on Power10.
2021-08-27 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000-call.c (builtin_function_type): Add unsigned
signedness for some Power10 bifs.
2021-08-27 David Edelsohn <dje.gcc@gmail.com>
PR target/102068
* config/rs6000/rs6000.c (rs6000_adjust_field_align): Use
computed alignment if the entire struct has attribute packed.
2021-08-27 liuhongt <hongtao.liu@intel.com>
PR target/98167
PR target/43147
* config/i386/i386.c (ix86_gimple_fold_builtin): Fold
IX86_BUILTIN_SHUFPD512, IX86_BUILTIN_SHUFPS512,
IX86_BUILTIN_SHUFPD256， IX86_BUILTIN_SHUFPS，
IX86_BUILTIN_SHUFPS256.
(ix86_masked_all_ones): New function.
2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*btr<mode>_1): Call force_reg unconditionally.
(conditional moves with memory inputs splitters): Ditto.
* config/i386/sse.md (one_cmpl<mode>2): Simplify.
2021-08-26 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref-tree.h (modref_access_node::try_merge_with): Restart
search after merging.
2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-overload.def: Add remaining overloads.
2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add cell stanza.
2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add ieee128-hw, dfp,
crypto, and htm stanzas.
2021-08-26 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add mma stanza.
2021-08-26 Martin Sebor <msebor@redhat.com>
* tree-ssa-uninit.c (warn_uninit): Refactor and simplify.
(warn_uninit_phi_uses): Remove argument from calls to warn_uninit.
(warn_uninitialized_vars): Same. Reduce visibility of locals.
(warn_uninitialized_phi): Same.
2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
* tree-ssa-ccp.c (get_individual_bits): Helper function to
extract the individual bits from a widest_int constant (mask).
(gray_code_bit_flips): New read-only table for effiently
enumerating permutations/combinations of bits.
(bit_value_binop) [LROTATE_EXPR, RROTATE_EXPR]: Handle rotates
by unknown counts that are guaranteed less than the target
precision and four or fewer unknown bits by enumeration.
[LSHIFT_EXPR, RSHIFT_EXPR]: Likewise, also handle shifts by
enumeration under the same conditions. Handle remaining
shifts as a mask based upon the minimum possible shift value.
2021-08-26 Roger Sayle <roger@nextmovesoftware.com>
Richard Biener <rguenther@suse.de>
* match.pd (shift transformations): Remove a redundant
!POINTER_TYPE_P check.
2021-08-26 Uroš Bizjak <ubizjak@gmail.com>
PR target/102057
* config/i386/i386.md (cmove reg-reg move elimination peephole2s):
Set all_regs to true in the call to replace_rtx.
2021-08-26 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref-tree.c (test_insert_search_collapse): Update test.
* ipa-modref-tree.h (modref_base_node::insert): Be smarter when
hiting --param modref-max-refs limit.
(modref_tree:insert_base): Be smarter when hitting
--param modref-max-bases limit. Add new parameter REF.
(modref_tree:insert): Update.
(modref_tree:merge): Update.
* ipa-modref.c (read_modref_records): Update.
2021-08-26 Jan Hubicka <hubicka@ucw.cz>
* params.opt: (modref-max-adjustments): Add full stop.
2021-08-26 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref-tree.h (modref_ref_node::verify): New member
functoin.
(modref_ref_node::insert): Use it.
(modref_ref_node::try_mere_with): Fix off by one error.
2021-08-26 Martin Liska <mliska@suse.cz>
Stefan Kneifel <stefan.kneifel@bluewin.ch>
* cgraph.h (create_version_clone_with_body): Add new parameter.
* cgraphclones.c: Likewise.
* multiple_target.c (create_dispatcher_calls): Do not use
numbered suffixes.
(create_target_clone): Likewise here.
2021-08-26 Jonathan Yong <10walls@gmail.com>
* doc/extend.texi: Add note about reserved priorities
to the constructor attribute.
2021-08-25 Martin Sebor <msebor@redhat.com>
* gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
range table header alone.
* gimple-range.cc (gimple_ranger::export_global_ranges): Same.
2021-08-25 Jan Hubicka <hubicka@ucw.cz>
* doc/invoke.texi: Document --param modref-max-adjustments.
* ipa-modref-tree.c (test_insert_search_collapse): Update.
(test_merge): Update.
* ipa-modref-tree.h (struct modref_access_node): Add adjustments;
(modref_access_node::operator==): Fix handling of access ranges.
(modref_access_node::contains): Constify parameter; handle also
mismatched parm offsets.
(modref_access_node::update): New function.
(modref_access_node::merge): New function.
(unspecified_modref_access_node): Update constructor.
(modref_ref_node::insert_access): Add record_adjustments parameter;
handle merging.
(modref_ref_node::try_merge_with): New private function.
(modref_tree::insert): New record_adjustments parameter.
(modref_tree::merge): New record_adjustments parameter.
(modref_tree::copy_from): Update.
* ipa-modref.c (dump_access): Dump adjustments field.
(get_access): Update constructor.
(record_access): Update call of insert.
(record_access_lto): Update call of insert.
(merge_call_side_effects): Add record_adjustments parameter.
(get_access_for_fnspec): Update.
(process_fnspec): Update.
(analyze_call): Update.
(analyze_function): Update.
(read_modref_records): Update.
(ipa_merge_modref_summary_after_inlining): Update.
(propagate_unknown_call): Update.
(modref_propagate_in_scc): Update.
* params.opt (param-max-modref-adjustments=): New.
2021-08-25 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/vsx.md (UNSPEC_XXSPLTIDP): Rename from
UNSPEC_XXSPLTID.
(xxspltiw_v4si): Use vecperm type attribute.
(xxspltiw_v4si_inst): Use vecperm type attribute.
(xxspltiw_v4sf_inst): Likewise.
(xxspltidp_v2df): Use vecperm type attribute. Use
UNSPEC_XXSPLTIDP instead of UNSPEC_XXSPLTID.
(xxspltidp_v2df_inst): Likewise.
(xxsplti32dx_v4si): Use vecperm type attribute.
(xxsplti32dx_v4si_inst): Likewise.
(xxsplti32dx_v4sf_inst): Likewise.
(xxblend_<mode>): Likewise.
(xxpermx): Likewise.
(xxpermx_inst): Likewise.
(xxeval): Likewise.
2021-08-25 Lewis Hyatt <lhyatt@gmail.com>
PR other/93067
* coretypes.h (typedef diagnostic_input_charset_callback): Declare.
* diagnostic.c (diagnostic_initialize_input_context): New function.
* diagnostic.h (diagnostic_initialize_input_context): Declare.
* input.c (default_charset_callback): New function.
(file_cache::initialize_input_context): New function.
(file_cache_slot::create): Added ability to convert the input
according to the input context.
(file_cache::file_cache): Initialize the new input context.
(class file_cache_slot): Added new m_alloc_offset member.
(file_cache_slot::file_cache_slot): Initialize the new member.
(file_cache_slot::~file_cache_slot): Handle potentially offset buffer.
(file_cache_slot::maybe_grow): Likewise.
(file_cache_slot::needs_read_p): Handle NULL fp, which is now possible.
(file_cache_slot::get_next_line): Likewise.
* input.h (class file_cache): Added input context member.
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.
2021-08-25 Hongyu Wang <hongyu.wang@intel.com>
PR target/101716
* config/i386/i386.c (ix86_live_on_entry): Adjust comment.
(ix86_decompose_address): Remove retval check for ASHIFT,
allow non-canonical zero extend if AND mask covers ASHIFT
count.
(ix86_legitimate_address_p): Adjust condition for decompose.
(ix86_rtx_costs): Adjust cost for lea with non-canonical
zero-extend.
Co-Authored by: Uros Bizjak <ubizjak@gmail.com>
2021-08-25 Jiufu Guo <guojiufu@linux.ibm.com>
PR tree-optimization/101145
* tree-ssa-loop-niter.c (number_of_iterations_until_wrap):
New function.
(number_of_iterations_lt): Invoke above function.
(adjust_cond_for_loop_until_wrap):
Merge to number_of_iterations_until_wrap.
(number_of_iterations_cond): Update invokes for
adjust_cond_for_loop_until_wrap and number_of_iterations_lt.
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.
2021-08-25 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/altivec.md (vec_unpacku_hi_v16qi): Remove.
(vec_unpacku_hi_v8hi): Likewise.
(vec_unpacku_lo_v16qi): Likewise.
(vec_unpacku_lo_v8hi): Likewise.
(vec_unpacku_hi_<VP_small_lc>): New define_expand.
(vec_unpacku_lo_<VP_small_lc>): Likewise.
2021-08-24 David Edelsohn <dje.gcc@gmail.com>
* config/rs6000/aix.h (SYSTEM_IMPLICIT_EXTERN_C): Delete.
* config/rs6000/aix71.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
* config/rs6000/aix72.h (SYSTEM_IMPLICIT_EXTERN_C): Define.
* config/rs6000/aix73.h (TARGET_AIX_VERSION): Increase to 73.
2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
PR middle-end/102031
* simplify-rtx.c (simplify_truncation): When comparing precisions
use "subreg_prec" variable, not "subreg_mode".
2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add power10 and power10-64
stanzas.
2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Initialize
various pointer type nodes.
* config/rs6000/rs6000.h (rs6000_builtin_type_index): Add enum
values for various pointer types.
(ptr_V16QI_type_node): New macro.
(ptr_V1TI_type_node): New macro.
(ptr_V2DI_type_node): New macro.
(ptr_V2DF_type_node): New macro.
(ptr_V4SI_type_node): New macro.
(ptr_V4SF_type_node): New macro.
(ptr_V8HI_type_node): New macro.
(ptr_unsigned_V16QI_type_node): New macro.
(ptr_unsigned_V1TI_type_node): New macro.
(ptr_unsigned_V8HI_type_node): New macro.
(ptr_unsigned_V4SI_type_node): New macro.
(ptr_unsigned_V2DI_type_node): New macro.
(ptr_bool_V16QI_type_node): New macro.
(ptr_bool_V8HI_type_node): New macro.
(ptr_bool_V4SI_type_node): New macro.
(ptr_bool_V2DI_type_node): New macro.
(ptr_bool_V1TI_type_node): New macro.
(ptr_pixel_type_node): New macro.
(ptr_intQI_type_node): New macro.
(ptr_uintQI_type_node): New macro.
(ptr_intHI_type_node): New macro.
(ptr_uintHI_type_node): New macro.
(ptr_intSI_type_node): New macro.
(ptr_uintSI_type_node): New macro.
(ptr_intDI_type_node): New macro.
(ptr_uintDI_type_node): New macro.
(ptr_intTI_type_node): New macro.
(ptr_uintTI_type_node): New macro.
(ptr_long_integer_type_node): New macro.
(ptr_long_unsigned_type_node): New macro.
(ptr_float_type_node): New macro.
(ptr_double_type_node): New macro.
(ptr_long_double_type_node): New macro.
(ptr_dfloat64_type_node): New macro.
(ptr_dfloat128_type_node): New macro.
(ptr_ieee128_type_node): New macro.
(ptr_ibm128_type_node): New macro.
(ptr_vector_pair_type_node): New macro.
(ptr_vector_quad_type_node): New macro.
(ptr_long_long_integer_type_node): New macro.
(ptr_long_long_unsigned_type_node): New macro.
2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add power9-vector, power9,
and power9-64 stanzas.
2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
Tom de Vries <tdevries@suse.de>
* config.gcc (nvptx-*-*): Define {c,c++}_target_objs.
* config/nvptx/nvptx-protos.h (nvptx_cpu_cpp_builtins): Prototype.
* config/nvptx/nvptx.h (TARGET_CPU_CPP_BUILTINS): Implement with
a call to the new nvptx_cpu_cpp_builtins function in nvptx-c.c.
* config/nvptx/t-nvptx (nvptx-c.o): New rule.
* config/nvptx/nvptx-c.c: New source file.
(nvptx_cpu_cpp_builtins): Move implementation here.
2021-08-24 Martin Sebor <msebor@redhat.com>
PR middle-end/101600
PR middle-end/101977
* gimple-ssa-warn-access.cc (maybe_warn_for_bound): Tighten up
the phrasing of a warning.
(check_access): Use the remaining size after subtracting any offset
rather than the whole object size.
* pointer-query.cc (access_ref::get_ref): Clear BASE0 flag if it's
clear for any nonnull PHI argument.
(compute_objsize): Clear argument.
2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add power8-vector stanza.
2021-08-24 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add power7 and power7-64
stanzas.
2021-08-24 Andrew MacLeod <amacleod@redhat.com>
* value-relation.cc (rr_transitive_table): New.
(relation_transitive): New.
(value_relation::swap): Remove.
(value_relation::apply_transitive): New.
(relation_oracle::relation_oracle): Allocate a new tmp bitmap.
(relation_oracle::register_relation): Call register_transitives.
(relation_oracle::register_transitives): New.
* value-relation.h (relation_oracle): Add new temporary bitmap and
methods.
2021-08-24 H.J. Lu <hjl.tools@gmail.com>
PR target/102021
* config/i386/i386-expand.c (ix86_expand_vector_move): Broadcast
from integer to a pseudo vector register.
2021-08-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/100089
* tree-vectorizer.h (vect_slp_bb): Rename to ...
(vect_slp_if_converted_bb): ... this and get the original
loop as new argument.
* tree-vectorizer.c (try_vectorize_loop_1): Revert previous fix,
pass original loop to vect_slp_if_converted_bb.
* tree-vect-slp.c (vect_bb_vectorization_profitable_p):
If orig_loop was passed scan the not vectorized stmts
for COND_EXPRs and force not profitable if found.
(vect_slp_region): Pass down all SLP instances to costing
if orig_loop was specified.
(vect_slp_bbs): Pass through orig_loop.
(vect_slp_bb): Rename to ...
(vect_slp_if_converted_bb): ... this and get the original
loop as new argument.
(vect_slp_function): Adjust.
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>
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>
* config/arm/vfp.md (lazy_store_multiple_insn): Rewrite as valid RTL.
(lazy_load_multiple_insn): Likewise.
2021-08-24 liuhongt <hongtao.liu@intel.com>
PR target/101989
* config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
Enable avx512 embedded broadcast.
(*<avx512>_vternlog<mode>_all): Ditto.
(<avx512>_vternlog<mode>_mask): Ditto.
2021-08-24 liuhongt <hongtao.liu@intel.com>
PR target/101989
* config/i386/i386.c (ix86_rtx_costs): Define cost for
UNSPEC_VTERNLOG.
* config/i386/i386.h (STRIP_UNARY): New macro.
* config/i386/predicates.md (reg_or_notreg_operand): New
predicate.
* config/i386/sse.md (*<avx512>_vternlog<mode>_all): New define_insn.
(*<avx512>_vternlog<mode>_1): New pre_reload
define_insn_and_split.
(*<avx512>_vternlog<mode>_2): Ditto.
(*<avx512>_vternlog<mode>_3): Ditto.
(any_logic1,any_logic2): New code iterator.
(logic_op): New code attribute.
(ternlogsuffix): Extend to VNxDF and VNxSF.
2021-08-24 Richard Biener <rguenther@suse.de>
* doc/invoke.texi (vect-inner-loop-cost-factor): Adjust.
* params.opt (--param vect-inner-loop-cost-factor): Adjust
maximum value.
* tree-vect-loop.c (vect_analyze_loop_form): Initialize
inner_loop_cost_factor to the minimum of the estimated number
of iterations of the inner loop and vect-inner-loop-cost-factor.
2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
Richard Biener <rguenther@suse.de>
* config/i386/i386-features.c (compute_convert_gain): Provide
more accurate values for CONST_INT, when optimizing for size.
* config/i386/i386.c (COSTS_N_BYTES): Move definition from here...
* config/i386/i386.h (COSTS_N_BYTES): to here.
2021-08-24 Roger Sayle <roger@nextmovesoftware.com>
Jakub Jelinek <jakub@redhat.com>
PR middle-end/102029
* match.pd (shift transformations): Add an additional check for
!POINTER_TYPE_P in the recently added left shift transformation.
2021-08-24 liuhongt <hongtao.liu@intel.com>
PR tree-optimization/100089
* tree-vectorizer.c (try_vectorize_loop_1): Disable slp in
loop vectorizer when cost model is very-cheap.
2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-gen-builtins.c (parse_bif_entry): Don't call
asprintf, which is not available on AIX.
2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
* config.gcc (target_gtfiles): Add ./rs6000-builtins.h.
* config/rs6000/t-rs6000 (EXTRA_GTYPE_DEPS): Set.
2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
* config.gcc (powerpc*-*-*): Add rs6000-builtins.o to extra_objs.
* config/rs6000/rs6000-gen-builtins.c (main): Close init_file
last.
* config/rs6000/t-rs6000 (rs6000-gen-builtins.o): New target.
(rbtree.o): Likewise.
(rs6000-gen-builtins): Likewise.
(rs6000-builtins.c): Likewise.
(rs6000-builtins.h): Likewise.
(rs6000.o): Add dependency.
(EXTRA_HEADERS): Add rs6000-vecdefines.h.
(rs6000-vecdefines.h): New target.
(rs6000-builtins.o): Likewise.
(rs6000-call.o): Add rs6000-builtins.h as a dependency.
(rs6000-c.o): Likewise.
2021-08-23 Bill Schmidt <wschmidt@linux.ibm.com>
PR target/101830
* config/rs6000/rs6000-gen-builtins.c (consume_whitespace):
Diagnose buffer overrun.
(safe_inc_pos): Fix overrun detection.
(match_identifier): Diagnose buffer overrun.
(match_integer): Likewise.
(match_to_right_bracket): Likewise.
2021-08-23 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref-tree.h (modref_access_node::range_info_useful_p):
Improve range compare.
(modref_access_node::contains): New member function.
(modref_access_node::search): Remove.
(modref_access_node::insert): Be smarter about subaccesses.
2021-08-23 Thomas Schwinge <thomas@codesourcery.com>
* config/i386/i386-options.c (ix86_omp_device_kind_arch_isa)
<omp_device_arch> [ACCEL_COMPILER]: Match "intel_mic".
* config/i386/t-omp-device (omp-device-properties-i386) <arch>:
Add "intel_mic".
2021-08-23 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/h8300-protos.h (h8300_expand_epilogue): Add new
argument.
* config/h8300/jumpcall.md (call, call_value): Restrict to
!SIBLING_CALL_P cases.
(subcall, sibcall_value): New patterns & expanders.
* config/h8300/proepi.md (epilogue): Pass new argument to
h8300_expand_epilogue.
(sibcall_epilogue): New expander.
* config/h8300/h8300.c (h8300_expand_epilogue): Handle sibcall
epilogues too.
(h8300_ok_for_sibcall_p): New function.
(TARGET_FUNCTION_OK_FOR_SIBCALL): define.
2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
* simplify-rtx.c (simplify_unary_operation_1): [TRUNCATE]:
Handle case where the operand is already the desired mode.
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 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/101949
* ipa-modref.c (analyze_ssa_name_flags): Fix merging of
EAF_NOCLOBBER
2021-08-23 Martin Liska <mliska@suse.cz>
* doc/invoke.texi: Put the option out of -mxl-mode-app-model
table.
2021-08-23 Richard Biener <rguenther@suse.de>
* tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
Properly scale the inner loop cost only once.
2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
* tree-ssa-ccp.c (bit_value_binop) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]:
Provide bounds for unsigned (and signed with non-negative operands)
division and modulus.
2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
* simplify-rtx.c (simplify_truncation): Generalize simplification
of (truncate:A (subreg:B X)).
(simplify_unary_operation_1) [FLOAT_TRUNCATE, FLOAT_EXTEND,
SIGN_EXTEND, ZERO_EXTEND]: Handle cases where the operand
already has the desired machine mode.
(test_scalar_int_ops): Add tests that useless extensions and
truncations are optimized away.
(test_scalar_int_ext_ops): New self-test function to confirm
that truncations of extensions are correctly simplified.
(test_scalar_int_ext_ops2): New self-test function to check
truncations of truncations, extensions of extensions, and
truncations of extensions.
(test_scalar_ops): Call the above two functions with a
representative sampling of integer machine modes.
2021-08-23 Roger Sayle <roger@nextmovesoftware.com>
* match.pd (shift transformations): Change the sign of an
LSHIFT_EXPR if it reduces the number of explicit conversions.
2021-08-23 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/86723
* gimple-ssa-store-merging.c (find_bswap_or_nop_finalize): Add
cast64_to_32 argument, set *cast64_to_32 to false, unless n is
non-memory permutation of 64-bit src which only has bytes of
0 or [5..8] and n->range is 4.
(find_bswap_or_nop): Add cast64_to_32 and mask arguments, adjust
find_bswap_or_nop_finalize caller, support bswap with some bytes
zeroed, as long as at least two bytes are not zeroed.
(bswap_replace): Add mask argument and handle masking of bswap
result.
(maybe_optimize_vector_constructor): Adjust find_bswap_or_nop
caller, punt if cast64_to_32 or mask is not all ones.
(pass_optimize_bswap::execute): Adjust find_bswap_or_nop_finalize
caller, for now punt if cast64_to_32.
2021-08-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/79334
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
a type also for COMPONENT_REFs.
(vn_reference_may_trap): Check ARRAY_REF with constant index
against the array domain.
2021-08-23 liuhongt <hongtao.liu@intel.com>
PR target/102016
* config/i386/sse.md (*avx512f_pshufb_truncv8hiv8qi_1): Add
TARGET_AVX512BW to condition.
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.
2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
* config/arm/arm_mve.h: Fix __arm_vctp16q return type.
2021-08-23 Christophe Lyon <christophe.lyon@foss.st.com>
PR target/100856
* config/arm/arm.opt: Fix typo.
* config/arm/t-rmprofile: Fix typo.
2021-08-23 Jakub Jelinek <jakub@redhat.com>
* tree.h (OMP_CLAUSE_GRAINSIZE_STRICT): Define.
(OMP_CLAUSE_NUM_TASKS_STRICT): Define.
* tree-pretty-print.c (dump_omp_clause) <case OMP_CLAUSE_GRAINSIZE,
case OMP_CLAUSE_NUM_TASKS>: Print strict: modifier.
* omp-expand.c (expand_task_call): Use GOMP_TASK_FLAG_STRICT in iflags
if either grainsize or num_tasks clause has the strict modifier.
2021-08-23 Martin Liska <mliska@suse.cz>
* dbgcnt.def (DEBUG_COUNTER): New counter.
* gimple.c (gimple_call_arg_flags): Use it in IPA PTA.
2021-08-23 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref.c (analyze_ssa_name_flags): Improve handling of return slot.
2021-08-23 Xi Ruoyao <xry111@mengyan1223.wang>
PR target/101922
* config/mips/mips-protos.h (mips_msa_output_shift_immediate):
Declare.
* config/mips/mips.c (mips_msa_output_shift_immediate): New
function.
* config/mips/mips-msa.md (vashl<mode>3, vashr<mode>3,
vlshr<mode>3): Call it.
2021-08-22 Jan Hubicka <hubicka@ucw.cz>
Martin Liska <mliska@suse.cz>
PR middle-end/101949
* ipa-modref.c (analyze_ssa_name_flags): Indirect call implies
~EAF_NOCLOBBER.
2021-08-21 Dragan Mladjenovic <OT_Dragan.Mladjenovic@mediatek.com>
* config/mips/mips.c (mips_function_rodata_section,
TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
2021-08-21 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
* configure.ac (thread-local storage support): Remove tls_first_major
and tls_first_minor. Use "$conftest_s" to check support.
* configure: Regenerate.
2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
* configure.ac: Fixup formatting.
2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
* acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
* configure.ac: ... update all callers.
2021-08-20 Serge Belyshev <belyshev@depni.sinp.msu.ru>
PR target/91602
* acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
(gcc_GAS_VERSION_GTE_IFELSE): Remove.
(gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
* configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
Remove remaining checks for in-tree assembler.
* configure: Regenerate.
2021-08-20 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
by 15 bits for H8/300H and H8/S. Improve logical shifts by 12
bits for H8/S.
(shift_alg_si): Improve arithmetic right shift by 28-30 bits for
H8/300H. Improve arithmetic shift right by 15 bits for H8/S.
Improve logical shifts by 27 bits for H8/S.
(get_shift_alg): Corresponding changes.
(h8300_option_override): Revert to loops for -Os when profitable.
2021-08-20 Richard Biener <rguenther@suse.de>
* tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
BBs.
(vect_analyze_data_ref_accesses): Likewise. Assign the BB
index as group_id when dataref_groups were not computed.
* tree-vect-slp.c (vect_slp_bbs): Bump current_group when
we advace to the next BB.
2021-08-20 Jakub Jelinek <jakub@redhat.com>
* omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
builtins.
2021-08-20 Martin Liska <mliska@suse.cz>
PR gcov-profile/89961
* gcov.c (make_gcov_file_name): Rewrite using std::string.
(mangle_name): Simplify, do not used the second argument.
(strip_extention): New function.
(get_md5sum): Likewise.
(get_gcov_intermediate_filename): Handle properly -p and -x
options.
(output_gcov_file): Use string type.
(generate_results): Likewise.
(md5sum_to_hex): Remove.
2021-08-20 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
(UNSPEC_XXSPLTIW): Move to vsx.md.
(UNSPEC_XXSPLTID): Move to vsx.md.
(UNSPEC_XXSPLTI32DX): Move to vsx.md.
(UNSPEC_XXBLEND): Move to vsx.md.
(UNSPEC_XXPERMX): Move to vsx.md.
(VM3): Move to vsx.md.
(VM3_char): Move to vsx.md.
(xxspltiw_v4si): Move to vsx.md.
(xxspltiw_v4sf): Move to vsx.md.
(xxspltiw_v4sf_inst): Move to vsx.md.
(xxspltidp_v2df): Move to vsx.md.
(xxspltidp_v2df_inst): Move to vsx.md.
(xxsplti32dx_v4si_inst): Move to vsx.md.
(xxsplti32dx_v4sf): Move to vsx.md.
(xxsplti32dx_v4sf_inst): Move to vsx.md.
(xxblend_<mode>): Move to vsx.md.
(xxpermx): Move to vsx.md.
(xxpermx_inst): Move to vsx.md.
* config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
(UNSPEC_XXSPLTIW): Move from altivec.md.
(UNSPEC_XXSPLTID): Move from altivec.md.
(UNSPEC_XXSPLTI32DX): Move from altivec.md.
(UNSPEC_XXBLEND): Move from altivec.md.
(UNSPEC_XXPERMX): Move from altivec.md.
(VM3): Move from altivec.md.
(VM3_char): Move from altivec.md.
(xxspltiw_v4si): Move from altivec.md.
(xxspltiw_v4sf): Move from altivec.md.
(xxspltiw_v4sf_inst): Move from altivec.md.
(xxspltidp_v2df): Move from altivec.md.
(xxspltidp_v2df_inst): Move from altivec.md.
(xxsplti32dx_v4si_inst): Move from altivec.md.
(xxsplti32dx_v4sf): Move from altivec.md.
(xxsplti32dx_v4sf_inst): Move from altivec.md.
(xxblend_<mode>): Move from altivec.md.
(xxpermx): Move from altivec.md.
(xxpermx_inst): Move from altivec.md.
2021-08-19 Roger Sayle <roger@nextmovesoftware.com>
* tree-vect-generic.c (expand_vector_operations_1): Use either
gimplify_build1 or gimplify_build2 instead of gimple_build_assign
when constructing scalar splat expressions.
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 *.
2021-08-19 Martin Sebor <msebor@redhat.com>
* gimple-range.cc: Add comments.
* gimple-range.h: Same.
2021-08-19 Martin Sebor <msebor@redhat.com>
PR middle-end/101984
* gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
disable_ranger.
2021-08-19 Jeff Law <jlaw@localhost.localdomain>
* config.gcc (h8300-*-elf*): Do not include dbxelf.h.
(h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
* config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
2021-08-19 Jakub Jelinek <jakub@redhat.com>
PR middle-end/101950
* optabs.c (expand_clrsb_using_clz): New function.
(expand_unop): Use it as another clrsb expansion fallback.
2021-08-19 liuhongt <hongtao.liu@intel.com>
Revert:
2021-07-28 liuhongt <hongtao.liu@intel.com>
PR target/99881
* config/i386/i386.h (processor_costs): Add new member
integer_to_sse.
* config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
bdver_cost, znver1_cost, znver2_cost, znver3_cost,
btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
generic_cost, core_cost): Initialize integer_to_sse same value
as sse_op.
(skylake_cost): Initialize integer_to_sse twice as much as sse_op.
* config/i386/i386.c (ix86_builtin_vectorization_cost):
Use integer_to_sse instead of sse_op to calculate the cost of
vec_construct.
2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
* config.gcc: Include rpath.opt for Darwin.
* config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
PR bootstrap/101959
* hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
Use an 'int_hash'.
2021-08-18 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
pattern and type cast.
(vld4_lane_f32): Use float RTL pattern.
(vld4q_lane_f64): Use float type cast.
2021-08-18 Jan Hubicka <hubicka@ucw.cz>
* tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
EAF_NOREAD.
2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
* hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
(test_map_of_type_with_ctor_and_dtor_expand): Add function.
(hash_map_tests_c_tests): Call it.
2021-08-18 Thomas Schwinge <thomas@codesourcery.com>
* ggc.h (enum ggc_collect): New.
(ggc_collect): Use it.
* ggc-page.c: Adjust.
* ggc-common.c: Likewise.
* ggc-tests.c: Likewise.
* read-rtl-function.c: Likewise.
* selftest-run-tests.c: Likewise.
* doc/gty.texi (Invoking the garbage collector): Likewise.
2021-08-18 liuhongt <hongtao.liu@intel.com>
PR target/97147
* config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
New macro.
* config/i386/sse.md (*sse3_haddv2df3_low): Add
TARGET_V2DF_REDUCTION_PREFER_HADDPD.
(*sse3_hsubv2df3_low): Ditto.
* config/i386/x86-tune.def
(X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
2021-08-17 Andrew MacLeod <amacleod@redhat.com>
* gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
(gori_compute::compute_operand_range): Add tracing.
(gori_compute::logical_combine): Ditto.
(gori_compute::compute_logical_operands): Ditto.
(gori_compute::compute_operand1_range): Ditto.
(gori_compute::compute_operand2_range): Ditto.
(gori_compute::outgoing_edge_range_p): Ditto.
* gimple-range-gori.h (class gori_compute): Add range_tracer.
2021-08-17 Andrew MacLeod <amacleod@redhat.com>
* flag-types.h (enum evrp_mode): Adjust evrp-mode values.
* gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
* gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
* params.opt (--param=evrp-mode): Adjust options.
2021-08-17 Andrew MacLeod <amacleod@redhat.com>
* Makefile.in (OBJS): Add gimple-range-trace.o.
* gimple-range-cache.h (enable_new_values): Remove unused prototype.
* gimple-range-fold.cc: Adjust headers.
* gimple-range-trace.cc: New.
* gimple-range-trace.h: New.
* gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
(gimple_ranger::range_of_expr): Add tracing.
(gimple_ranger::range_on_entry): Ditto.
(gimple_ranger::range_on_exit): Ditto.
(gimple_ranger::range_on_edge): Ditto.
(gimple_ranger::fold_range_internal): Ditto.
(gimple_ranger::dump_bb): Do not calculate edge range twice.
(trace_ranger::*): Remove.
(enable_ranger): Never create a trace_ranger.
(debug_seed_ranger): Move to gimple-range-trace.cc.
(dump_ranger): Ditto.
(debug_ranger): Ditto.
* gimple-range.h: Include gimple-range-trace.h.
(range_on_entry, range_on_exit): No longer virtual.
(class trace_ranger): Remove.
(DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
2021-08-17 Martin Sebor <msebor@redhat.com>
PR middle-end/101854
* builtins.c (expand_builtin_alloca): Move warning code to check_alloca
in gimple-ssa-warn-access.cc.
* calls.c (alloc_max_size): Move code to check_alloca.
(get_size_range): Move to pointer-query.cc.
(maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
(get_attr_nonstring_decl): Move to tree.c.
(fntype_argno_type): Move to gimple-ssa-warn-access.cc.
(append_attrname): Same.
(maybe_warn_rdwr_sizes): Same.
(initialize_argument_information): Move code to
gimple-ssa-warn-access.cc.
* calls.h (maybe_warn_alloc_args_overflow): Move to
gimple-ssa-warn-access.h.
(get_attr_nonstring_decl): Move to tree.h.
(maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h.
(enum size_range_flags): Move to pointer-query.h.
(get_size_range): Same.
* gimple-ssa-warn-access.cc (has_location): Remove unused overload
to avoid Clang -Wunused-function.
(get_size_range): Declare static.
(maybe_emit_free_warning): Rename...
(maybe_check_dealloc_call): ...to this for consistency.
(class pass_waccess): Add members.
(pass_waccess::~pass_waccess): Defined.
(alloc_max_size): Move here from calls.c.
(maybe_warn_alloc_args_overflow): Same.
(check_alloca): New function.
(check_alloc_size_call): New function.
(check_strncat): Handle another warning flag.
(pass_waccess::check_builtin): Handle alloca.
(fntype_argno_type): Move here from calls.c.
(append_attrname): Same.
(maybe_warn_rdwr_sizes): Same.
(pass_waccess::check_call): Define.
(check_nonstring_args): New function.
(pass_waccess::check): Call new member functions.
(pass_waccess::execute): Enable ranger.
* gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
(maybe_warn_nonstring_arg): Same.
* gimple-ssa-warn-restrict.c: Remove #include.
* pointer-query.cc (get_size_range): Move here from calls.c.
* pointer-query.h (enum size_range_flags): Same.
(get_size_range): Same.
* tree.c (get_attr_nonstring_decl): Move here from calls.c.
* tree.h (get_attr_nonstring_decl): Move here from calls.h.
2021-08-17 Thomas Schwinge <thomas@codesourcery.com>
* ggc.h (ggc_collect): Add 'force_collect' parameter.
* ggc-page.c (ggc_collect): Use that one instead of global
'ggc_force_collect'. Adjust all users.
* doc/gty.texi (Invoking the garbage collector): Update.
* ggc-internal.h (ggc_force_collect): Remove.
* ggc-common.c (ggc_force_collect): Likewise.
* selftest.h (forcibly_ggc_collect): Remove.
* ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
* read-rtl-function.c (test_loading_labels): Adjust.
* selftest-run-tests.c (run_tests): Likewise.
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.
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.
2021-08-17 Richard Biener <rguenther@suse.de>
* optabs-query.c (supports_vec_gather_load_p): Also check
for masked optabs.
(supports_vec_scatter_store_p): Likewise.
* tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
back to masked variants if non-masked are not supported.
* tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
When we need to use masked gather/scatter but do not have
a mask set up a constant true one.
* tree-vect-stmts.c (vect_check_scalar_mask): Also allow
non-SSA_NAME masks.
2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
* tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
algorithm as PLUS_EXPR to improve subtraction bit bounds.
[POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
2021-08-17 Roger Sayle <roger@nextmovesoftware.com>
* tree-ssa-ccp.c (bit_value_mult_const): New helper function to
calculate the mask-value pair result of a multiplication by an
unsigned constant.
(bit_value_binop) [MULT_EXPR]: Call it from here for
multiplications by (sparse) non-negative constants.
2021-08-17 Christophe Lyon <christophe.lyon@foss.st.com>
PR target/100896
* config.gcc (gcc_cv_initfini_array): Leave undefined for
uclinuxfdpiceabi targets.
2021-08-17 Alexandre Oliva <oliva@adacore.com>
* tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
reverse debug stmts.
2021-08-17 Alexandre Oliva <oliva@adacore.com>
* tree-cfg.c (dump_function_to_file): Use fun, not cfun.
2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
(__LD4Q_LANE_FUNC): Likewise.
(vld4_lane_u8): Define without macro.
(vld4_lane_u16): Likewise.
(vld4_lane_u32): Likewise.
(vld4_lane_u64): Likewise.
(vld4_lane_s8): Likewise.
(vld4_lane_s16): Likewise.
(vld4_lane_s32): Likewise.
(vld4_lane_s64): Likewise.
(vld4_lane_f16): Likewise.
(vld4_lane_f32): Likewise.
(vld4_lane_f64): Likewise.
(vld4_lane_p8): Likewise.
(vld4_lane_p16): Likewise.
(vld4_lane_p64): Likewise.
(vld4q_lane_u8): Likewise.
(vld4q_lane_u16): Likewise.
(vld4q_lane_u32): Likewise.
(vld4q_lane_u64): Likewise.
(vld4q_lane_s8): Likewise.
(vld4q_lane_s16): Likewise.
(vld4q_lane_s32): Likewise.
(vld4q_lane_s64): Likewise.
(vld4q_lane_f16): Likewise.
(vld4q_lane_f32): Likewise.
(vld4q_lane_f64): Likewise.
(vld4q_lane_p8): Likewise.
(vld4q_lane_p16): Likewise.
(vld4q_lane_p64): Likewise.
(vld4_lane_bf16): Likewise.
(vld4q_lane_bf16): Likewise.
2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
(__LD3Q_LANE_FUNC): Delete.
(vld3_lane_u8): Define without macro.
(vld3_lane_u16): Likewise.
(vld3_lane_u32): Likewise.
(vld3_lane_u64): Likewise.
(vld3_lane_s8): Likewise.
(vld3_lane_s16): Likewise.
(vld3_lane_s32): Likewise.
(vld3_lane_s64): Likewise.
(vld3_lane_f16): Likewise.
(vld3_lane_f32): Likewise.
(vld3_lane_f64): Likewise.
(vld3_lane_p8): Likewise.
(vld3_lane_p16): Likewise.
(vld3_lane_p64): Likewise.
(vld3q_lane_u8): Likewise.
(vld3q_lane_u16): Likewise.
(vld3q_lane_u32): Likewise.
(vld3q_lane_u64): Likewise.
(vld3q_lane_s8): Likewise.
(vld3q_lane_s16): Likewise.
(vld3q_lane_s32): Likewise.
(vld3q_lane_s64): Likewise.
(vld3q_lane_f16): Likewise.
(vld3q_lane_f32): Likewise.
(vld3q_lane_f64): Likewise.
(vld3q_lane_p8): Likewise.
(vld3q_lane_p16): Likewise.
(vld3q_lane_p64): Likewise.
(vld3_lane_bf16): Likewise.
(vld3q_lane_bf16): Likewise.
2021-08-17 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
(__LD2Q_LANE_FUNC): Likewise.
(vld2_lane_u8): Define without macro.
(vld2_lane_u16): Likewise.
(vld2_lane_u32): Likewise.
(vld2_lane_u64): Likewise.
(vld2_lane_s8): Likewise.
(vld2_lane_s16): Likewise.
(vld2_lane_s32): Likewise.
(vld2_lane_s64): Likewise.
(vld2_lane_f16): Likewise.
(vld2_lane_f32): Likewise.
(vld2_lane_f64): Likewise.
(vld2_lane_p8): Likewise.
(vld2_lane_p16): Likewise.
(vld2_lane_p64): Likewise.
(vld2q_lane_u8): Likewise.
(vld2q_lane_u16): Likewise.
(vld2q_lane_u32): Likewise.
(vld2q_lane_u64): Likewise.
(vld2q_lane_s8): Likewise.
(vld2q_lane_s16): Likewise.
(vld2q_lane_s32): Likewise.
(vld2q_lane_s64): Likewise.
(vld2q_lane_f16): Likewise.
(vld2q_lane_f32): Likewise.
(vld2q_lane_f64): Likewise.
(vld2q_lane_p8): Likewise.
(vld2q_lane_p16): Likewise.
(vld2q_lane_p64): Likewise.
(vld2_lane_bf16): Likewise.
(vld2q_lane_bf16): Likewise.
2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
* haifa-sched.c (advance_one_cycle): Output more context-synchronization
lines for diff.
2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
* haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
(rank_for_schedule): Use it.
2021-08-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
PR rtl-optimization/91598
* haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
insns after memory reads and before memory writes.
2021-08-17 Alistair_Lee <alistair.lee@arm.com>
* rtl.h (CONST_VECTOR_P): New macro.
* config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
code testing macros.
(aarch64_ptrue_all_mode): Likewise.
(aarch64_expand_mov_immediate): Likewise.
(aarch64_const_vec_all_in_range_p): Likewise.
(aarch64_rtx_costs): Likewise.
(aarch64_legitimate_constant_p): Likewise.
(aarch64_simd_valid_immediate): Likewise.
(aarch64_simd_make_constant): Likewise.
(aarch64_convert_mult_to_shift): Likewise.
(aarch64_expand_sve_vec_perm): Likewise.
(aarch64_vec_fpconst_pow_of_2): Likewise.
2021-08-17 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/101938
* range-op.cc (operator_abs::op1_range): Special case
-TYPE_MIN_VALUE for flag_wrapv.
2021-08-17 Kewen Lin <linkw@linux.ibm.com>
* tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
value extraction.
2021-08-17 Jakub Jelinek <jakub@redhat.com>
* tree.def (OMP_SCOPE): New tree code.
* tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
* tree-nested.c (convert_nonlocal_reference_stmt,
convert_local_reference_stmt, convert_gimple_call): Handle
GIMPLE_OMP_SCOPE.
* tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
* gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
* gimple.c (gimple_build_omp_scope): New function.
(gimple_copy): Handle GIMPLE_OMP_SCOPE.
* gimple.h (gimple_build_omp_scope): Declare.
(gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
(gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
gimple_omp_scope_set_clauses): New inline functions.
(CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
* gimple-pretty-print.c (dump_gimple_omp_scope): New function.
(pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
* gimple-walk.c (walk_gimple_stmt): Likewise.
* gimple-low.c (lower_stmt): Likewise.
* gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
(gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%>
allowing task reductions. Reject inscan reductions on scope.
(omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
(gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
* tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
(estimate_num_insns): Likewise.
* omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
contexts if var isn't privatized there.
(check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
(scan_omp_1_stmt): Likewise.
(maybe_add_implicit_barrier_cancel): Look through outer
scope constructs.
(lower_omp_scope): New function.
(lower_omp_task_reductions): Handle OMP_SCOPE.
(lower_omp_1): Handle GIMPLE_OMP_SCOPE.
(diagnose_sb_1, diagnose_sb_2): Likewise.
* omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
(expand_omp): Handle GIMPLE_OMP_SCOPE.
(omp_make_gimple_edges): Likewise.
* omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
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.
2021-08-17 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
shifts on the H8/S.
(h8300_option_override): Use loops on H8/S more often when optimizing
for size.
(get_shift_alg): Handle new "special" cases on H8/S. Simplify
accordingly. Handle various arithmetic right shifts with special
sequences that we couldn't handle before.
2021-08-16 Jeff Law <jlaw@localhost.localdomain>
* config.gcc (rl78-*-elf*): Do not include dbxelf.h.
2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
* config/sparc/sparc.c (sparc_gcov_type_size): New.
(TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
* coverage.c (get_gcov_type): Use targetm.gcov_type_size().
* doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
* doc/tm.texi.in: Regenerate.
* target.def (gcov_type_size): New target hook.
* targhooks.c (default_gcov_type_size): New.
* targhooks.h (default_gcov_type_size): Declare.
* tree-profile.c (gimple_gen_edge_profiler): Use precision of
gcov_type_node.
(gimple_gen_time_profiler): Likewise.
2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
* dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
2021-08-16 Tobias Burnus <tobias@codesourcery.com>
PR middle-end/101931
* omp-low.c (omp_runtime_api_call): Update for routines
added in the meanwhile.
2021-08-16 Martin Liska <mliska@suse.cz>
PR tree-optimization/100393
* tree-switch-conversion.c (group_cluster::dump): Use
get_comparison_count.
(jump_table_cluster::find_jump_tables): Pre-compute number of
comparisons and then decrement it. Cache also max_ratio.
(jump_table_cluster::can_be_handled): Change signature.
* tree-switch-conversion.h (get_comparison_count): New.
2021-08-16 Eric Botcazou <ebotcazou@gcc.gnu.org>
* dwarf2out.c (add_data_member_location_attribute): Use GNAT
encodings only when -fgnat-encodings=all is specified.
(add_bound_info): Likewise.
(add_byte_size_attribute): Likewise.
(gen_member_die): Likewise.
2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
* omp-oacc-neuter-broadcast.cc
(execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
* omp-oacc-neuter-broadcast.cc
(execute_omp_oacc_neuter_broadcast): Clarify memory management for
'prop_set'.
2021-08-16 Thomas Schwinge <thomas@codesourcery.com>
* omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
(execute_omp_oacc_neuter_broadcast): ... here.
(install_var_field, build_receiver_ref, build_sender_ref): Take
'field_map_t *' parameter. Adjust all users.
(worker_single_copy, neuter_worker_single): Take a
'record_field_map_t *' parameter. Adjust all users.
2021-08-16 liuhongt <hongtao.liu@intel.com>
PR target/101930
* config/i386/i386.md (ldexp<mode>3): Force operands[1] to
reg.
2021-08-16 Martin Liska <mliska@suse.cz>
PR ipa/101726
* multiple_target.c (create_dispatcher_calls): Make default
function local only if it is a definition.
2021-08-16 Martin Liska <mliska@suse.cz>
PR ipa/100600
* ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
consider equal SSA_NAMEs when one is a param.
2021-08-16 liuhongt <hongtao.liu@intel.com>
PR target/101846
* config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
Support vpermi2b for V32QI/V16QImode.
(ix86_extract_perm_from_pool_constant): New function.
(ix86_expand_vec_one_operand_perm_avx512): Support
vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
(expand_vec_perm_1): Adjust comments for upper.
* config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
New declare.
* config/i386/predicates.md (permvar_truncate_operand): New predicate.
(pshufb_truncv4siv4hi_operand): Ditto.
(pshufb_truncv8hiv8qi_operand): Ditto.
* config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
New pre_reload define_insn_and_split.
(*avx512f_permvar_truncv8siv8hi_1): Ditto.
(*avx512f_vpermvar_truncv8div8si_1): Ditto.
(*avx512f_permvar_truncv32hiv32qi_1): Ditto.
(*avx512f_permvar_truncv16hiv16qi_1): Ditto.
(*avx512f_permvar_truncv4div4si_1): Ditto.
(*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
(*avx512f_pshufb_truncv4siv4hi_1): Ditto.
(*avx512f_pshufd_truncv2div2si_1): Ditto.
2021-08-16 Kito Cheng <kito.cheng@sifive.com>
* config/riscv/multilib-generator: Support code model option for
multi-lib.
* doc/install.texi: Add document of new option for
--with-multilib-generator.
2021-08-15 Clément Chigot <clement.chigot@atos.net>
* config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
(rs6000_legitimize_tls_address_aix): Use it.
(rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
xcoff_tls_exec_model_detected is true.
2021-08-15 Jeff Law <jlaw@localhost.localdomain>
* config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
to allow a bit more code growth, saving many dozens of cycles.
(h8300_option_override): Adjus shift_alg_si if optimizing for
code size.
(get_shift_alg): Use special + inline shifts for residuals
in more cases.
2021-08-14 Stafford Horne <shorne@gmail.com>
PR target/99783
* config/or1k/or1k-opts.h: New file.
* config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
Support generating gotha relocations if -mcmodel=large is
specified.
* config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
New macros.
* config/or1k/or1k.opt (mcmodel=): New option.
* doc/invoke.texi (OpenRISC Options): Document mcmodel.
2021-08-14 Martin Sebor <msebor@redhat.com>
PR middle-end/101791
* gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
to valid_new_delete_pair_p.
* tree.c (valid_new_delete_pair_p): Add argument.
* tree.h (valid_new_delete_pair_p): Same.
2021-08-14 Jakub Jelinek <jakub@redhat.com>
PR target/101896
* config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
<case E_V64QImode>: For this mode assert
!TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
2021-08-13 Michael Meissner <meissner@linux.ibm.com>
PR target/99921
* config/rs6000/altivec.md (xxeval): Use register_predicate
instead of altivec_register_predicate.
2021-08-13 Martin Sebor <msebor@redhat.com>
PR middle-end/101734
* tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
(maybe_warn_operand): Call it.
2021-08-13 Martin Liska <mliska@suse.cz>
PR ipa/101354
* attribs.c (decl_attributes): Make naked functions "noipa"
functions.
2021-08-13 Martin Liska <mliska@suse.cz>
PR ipa/101261
* symtab.c (symtab_node::noninterposable_alias): Do not create
local aliases for target_clone functions as the clonning pass
rejects aliases.
2021-08-13 Martin Liska <mliska@suse.cz>
* opts.c (LIVE_PATCHING_OPTION): Define.
(control_options_for_live_patching): Use it in error messages.
2021-08-13 Jan Hubicka <hubicka@ucw.cz>
* ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
(implicit_const_eaf_flags, implicit_pure_eaf_flags,
ignore_stores_eaf_flags): New constants.
(remove_useless_eaf_flags): New function.
(eaf_flags_useful_p): Use it.
(deref_flags): Add EAF_NOT_RETURNED if flag is unused;
handle EAF_NOREAD.
(modref_lattice::init): Add EAF_NOREAD.
(modref_lattice::add_escape_point): Do not reacord escape point if
result is unused.
(modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
use remove_useless_eaf_flags.
(modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
(modref_lattice::merge_direct_load): Add EAF_NOREAD
(analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
(analyze_parms): Use remove_useless_eaf_flags.
(ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
(modref_merge_call_site_flags): Add caller and ecf_flags parameter;
use remove_useless_eaf_flags.
(modref_propagate_flags_in_scc): Update.
* ipa-modref.h: Turn eaf_flags_t back to char.
* tree-core.h (EAF_NOT_RETURNED): Fix.
(EAF_NOREAD): New constant
* tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
EAF_NOREAD.
* tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
(handle_pure_call): Likewise.
2021-08-12 Jakub Jelinek <jakub@redhat.com>
* tree.def (OMP_MASKED): New tree code.
* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
* tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
OMP_CLAUSE_FILTER_EXPR): Define.
* tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
(omp_clause_code_name): Likewise.
(walk_tree_1): Handle OMP_CLAUSE_FILTER.
* tree-nested.c (convert_nonlocal_omp_clauses,
convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
(convert_nonlocal_reference_stmt, convert_local_reference_stmt,
convert_gimple_call): Handle GIMPLE_OMP_MASTER.
* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
(dump_generic_node): Handle OMP_MASTER.
* gimple.def (GIMPLE_OMP_MASKED): New gimple code.
* gimple.c (gimple_build_omp_masked): New function.
(gimple_copy): Handle GIMPLE_OMP_MASKED.
* gimple.h (gimple_build_omp_masked): Declare.
(gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
(gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
gimple_omp_masked_set_clauses): New inline functions.
(CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
* gimple-pretty-print.c (dump_gimple_omp_masked): New function.
(pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
* gimple-walk.c (walk_gimple_stmt): Likewise.
* gimple-low.c (lower_stmt): Likewise.
* gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
(gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
that take one expression rather than decl or constant, force
gimplification of that into a SSA_NAME or temporary unless min
invariant.
(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
(gimplify_expr): Handle OMP_MASKED.
* tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
(estimate_num_insns): Likewise.
* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
(check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
diagnostics for existence of masked construct.
(scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
* omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
Likewise.
2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
PR target/98309
* config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
(ldexp<mode>3): Use avx512f_scalef<mode>2.
(UNSPEC_SCALEF): Move from ...
* config/i386/sse.md (UNSPEC_SCALEF): ... here.
2021-08-12 Jan Hubicka <hubicka@ucw.cz>
* ipa-split.c (consider_split): Fix condition testing void functions.
2021-08-12 Aldy Hernandez <aldyh@redhat.com>
* doc/invoke.texi: Remove docs for threader-mode param.
* flag-types.h (enum threader_mode): Remove.
* params.opt: Remove threader-mode param.
* tree-ssa-threadbackward.c (class back_threader): Remove
path_is_unreachable_p.
Make find_paths private.
Add maybe_thread and thread_through_all_blocks.
Remove reference marker for m_registry.
Remove reference marker for m_profit.
(back_threader::back_threader): Adjust for registry and profit not
being references.
(dump_path): Move down.
(debug): Move down.
(class thread_jumps): Remove.
(class back_threader_registry): Remove m_all_paths.
Remove destructor.
(thread_jumps::thread_through_all_blocks): Move to back_threader
class.
(fsm_find_thread_path): Remove
(back_threader::maybe_thread): New.
(back_threader::thread_through_all_blocks): Move from
thread_jumps.
(back_threader_registry::back_threader_registry): Remove
m_all_paths.
(back_threader_registry::~back_threader_registry): Remove.
(thread_jumps::find_taken_edge): Remove.
(thread_jumps::check_subpath_and_update_thread_path): Remove.
(thread_jumps::maybe_register_path): Remove.
(thread_jumps::handle_phi): Remove.
(handle_assignment_p): Remove.
(thread_jumps::handle_assignment): Remove.
(thread_jumps::fsm_find_control_statement_thread_paths): Remove.
(thread_jumps::find_jump_threads_backwards): Remove.
(thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
(try_thread_blocks): Rename find_jump_threads_backwards to
maybe_thread.
(pass_early_thread_jumps::execute): Same.
2021-08-12 Tobias Burnus <tobias@codesourcery.com>
* tree-core.h (omp_clause_proc_bind_kind): Add
OMP_CLAUSE_PROC_BIND_PRIMARY.
* tree-pretty-print.c (dump_omp_clause): Add TODO comment to
change 'master' to 'primary' in proc_bind for OpenMP 5.1.
2021-08-12 Claudiu Zissulescu <claziss@synopsys.com>
* common/config/arc/arc-common.c (arc_option_init_struct): Remove
fno-common reference.
* config/arc/arc.c (arc_override_options): Remove overriding of
flag_no_common.
2021-08-12 Jakub Jelinek <jakub@redhat.com>
PR target/101860
* config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
If d->testing_p, return true after performing checks instead of
actually expanding the insn.
(expand_vec_perm_broadcast_1): Handle V32HImode - assert
!TARGET_AVX512BW and return false.
2021-08-12 Eric Botcazou <ebotcazou@gcc.gnu.org>
* configure.ac (PE linker --disable-dynamicbase support): New check.
* configure: Regenerate.
* config.in: Likewise.
* config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
(LINK_SPEC): Use it.
* config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
(LINK_SPEC): Likewise.
2021-08-12 liuhongt <hongtao.liu@intel.com>
PR target/101846
* config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
post_reload define_insn_and_split.
(*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
(*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
(*avx512f_zero_extendv16hiv16si2_2): Ditto.
(*avx2_zero_extendv8hiv8si2_2): Ditto.
(*sse4_1_zero_extendv4hiv4si2_4): Ditto.
(*avx512f_zero_extendv8siv8di2_2): Ditto.
(*avx2_zero_extendv4siv4di2_2): Ditto.
(*sse4_1_zero_extendv2siv2di2_4): Ditto.
(VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
mode iterator.
2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add always, power5, and
power6 stanzas.
2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
2021-08-11 Bill Schmidt <wschmidt@linux.ibm.com>
* config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
initialization of pcvoid_type_node here...
(altivec_init_builtins): ...from here.
* config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
RS6000_BTI_const_ptr_void.
(pcvoid_type_node): New macro.
2021-08-11 Richard Biener <rguenther@suse.de>
PR target/101877
* tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
hard-register accesses.
2021-08-11 Richard Biener <rguenther@suse.de>
* tree-ssa-operands.c (operands_scanner::get_expr_operands):
Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
to determine has_volatile_ops.
2021-08-11 Eric Botcazou <ebotcazou@gcc.gnu.org>
* cfgexpand.c (expand_used_vars): Reuse attribs local variable.
2021-08-11 Jan Hubicka <hubicka@ucw.cz>
Alexandre Oliva <oliva@adacore.com>
* ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
dumping.
(modref_lattice::merge_deref): Fix handling of indirect scape points.
(update_escape_summary_1): Likewise.
(update_escape_summary): Likewise.
(ipa_merge_modref_summary_after_inlining): Likewise.
2021-08-11 Richard Biener <rguenther@suse.de>
PR middle-end/101858
* fold-const.c (fold_binary_loc): Guard simplification
of X < (cast) (1 << Y) to integer types.
2021-08-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/101861
* tree-vect-stmts.c (vectorizable_load): Fix error in
previous change with regard to gather vectorization.
2021-08-11 prathamesh.kulkarni <prathamesh.kulkarni@linaro.org>
PR target/66791
* config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
with constructor.
(vdup_n_s16): Likewise.
(vdup_n_s32): Likewise.
(vdup_n_s64): Likewise.
(vdup_n_u8): Likewise.
(vdup_n_u16): Likewise.
(vdup_n_u32): Likewise.
(vdup_n_u64): Likewise.
(vdup_n_p8): Likewise.
(vdup_n_p16): Likewise.
(vdup_n_p64): Likewise.
(vdup_n_f16): Likewise.
(vdup_n_f32): Likewise.
(vdupq_n_s8): Likewise.
(vdupq_n_s16): Likewise.
(vdupq_n_s32): Likewise.
(vdupq_n_s64): Likewise.
(vdupq_n_u8): Likewise.
(vdupq_n_u16): Likewise.
(vdupq_n_u32): Likewise.
(vdupq_n_u64): Likewise.
(vdupq_n_p8): Likewise.
(vdupq_n_p16): Likewise.
(vdupq_n_p64): Likewise.
(vdupq_n_f16): Likewise.
(vdupq_n_f32): Likewise.
(vmov_n_s8): Replace call to builtin with call to corresponding
vdup_n intrinsic.
(vmov_n_s16): Likewise.
(vmov_n_s32): Likewise.
(vmov_n_s64): Likewise.
(vmov_n_u8): Likewise.
(vmov_n_u16): Likewise.
(vmov_n_u32): Likewise.
(vmov_n_u64): Likewise.
(vmov_n_p8): Likewise.
(vmov_n_p16): Likewise.
(vmov_n_f16): Likewise.
(vmov_n_f32): Likewise.
(vmovq_n_s8): Likewise.
(vmovq_n_s16): Likewise.
(vmovq_n_s32): Likewise.
(vmovq_n_s64): Likewise.
(vmovq_n_u8): Likewise.
(vmovq_n_u16): Likewise.
(vmovq_n_u32): Likewise.
(vmovq_n_u64): Likewise.
(vmovq_n_p8): Likewise.
(vmovq_n_p16): Likewise.
(vmovq_n_f16): Likewise.
(vmovq_n_f32): Likewise.
* config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
2021-08-11 liuhongt <hongtao.liu@intel.com>
PR target/98309
* config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
when TARGET_AVX512F and TARGET_SSE_MATH.
2021-08-10 Jakub Jelinek <jakub@redhat.com>
PR target/80355
* config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
for V32HImode if !TARGET_AVX512BW.
(ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
early, but actually check the permutation.
2021-08-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/101809
* tree-vect-stmts.c (get_load_store_type): Allow emulated
gathers with offset vector nunits being a constant multiple
of the data vector nunits.
(vect_get_gather_scatter_ops): Use the appropriate nunits
for the offset vector defs.
(vectorizable_store): Adjust call to
vect_get_gather_scatter_ops.
(vectorizable_load): Likewise. Handle the case of less
offset vectors than data vectors.
2021-08-10 Jakub Jelinek <jakub@redhat.com>
PR target/80355
* config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
*avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
patterns.
2021-08-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/101801
PR tree-optimization/101819
* tree-vectorizer.h (vect_emulated_vector_p): Declare.
* tree-vect-loop.c (vect_emulated_vector_p): New function.
(vectorizable_reduction): Re-instantiate a check for emulated
operations.
* tree-vect-stmts.c (vectorizable_shift): Likewise.
(vectorizable_operation): Likewise. Cost emulated vector
operations according to the scalar sequence synthesized by
vector lowering.
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.
2021-08-10 H.J. Lu <hjl.tools@gmail.com>
PR target/101804
* config/i386/constraints.md (BC): Document for integer SSE
constant all bits set operand.
(BF): New constraint for const floating-point all bits set
vectors.
* config/i386/i386.c (standard_sse_constant_p): Likewise.
(standard_sse_constant_opcode): Likewise.
* config/i386/sse.md (sseconstm1): New mode attribute.
(mov<mode>_internal): Replace BC with <sseconstm1>.