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GCC Administrator 2023-11-14 12:23:39 +00:00
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29
ChangeLog
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@ -1,3 +1,32 @@
2023-11-13 Arsen Arsenović <arsen@aarsen.me>
PR bootstrap/12596
* .gitignore: Add '/gettext*'.
* configure.ac (host_libs): Replace intl with gettext.
(hbaseargs, bbaseargs, baseargs): Split baseargs into
{h,b}baseargs.
(skip_barg): New flag. Skips appending current flag to
bbaseargs.
<library exemptions>: Exempt --with-libintl-{type,prefix} from
target and build machine argument passing.
* configure: Regenerate.
* Makefile.def (host_modules): Replace intl module with gettext
module.
(configure-ld): Depend on configure-gettext.
* Makefile.in: Regenerate.
2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* intl/*: Remove.
2023-11-09 Jivan Hakobyan <jivanhakobyan9@gmail.com>
* MAINTAINERS: Add myself.
2023-11-09 YunQiang Su <yunqiang.su@cipunited.com>
* MAINTAINERS: Update my email address.
2023-11-06 Carl Love <cel@linux.ibm.com>
* MAINTAINERS: Update my email address.

8
config/ChangeLog
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2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* intlmacosx.m4: Import from gettext-0.22 (serial 8).
* gettext.m4: Sync with gettext-0.22 (serial 77).
* gettext-sister.m4 (ZW_GNU_GETTEXT_SISTER_DIR): Load gettext's
uninstalled-config.sh, or call AM_GNU_GETTEXT if missing.
* iconv.m4: Sync with gettext-0.22 (serial 26).
2023-09-15 Yang Yujie <yangyujie@loongson.cn>
* mt-loongarch-mlib: New file. Pass -fmultiflags when building

11
contrib/ChangeLog
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2023-11-14 Jakub Jelinek <jakub@redhat.com>
* gcc-changelog/git_update_version.py: Add
040e5b0edbca861196d9e2ea2af5e805769c8d5d to ignored commits.
2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* prerequisites.sha512: Add gettext.
* prerequisites.md5: Add gettext.
* download_prerequisites: Add gettext.
2023-10-05 Andrea Corallo <andrea.corallo@arm.com>
* mdcompact/mdcompact-testsuite.el: New file.

903
gcc/ChangeLog
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2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR target/112523
PR ada/112514
* config/i386/i386.md (<insn><dwi>3_doubleword_lowpart): Move
operands[1] aka low part of input rather than operands[3] aka high
part of input to output if not the same register.
2023-11-14 Andreas Krebbel <krebbel@linux.ibm.com>
* config.gcc: Add s390-gen-builtins.h to target_gtfiles.
* config/s390/s390-builtins.h (s390_builtin_types)
(s390_builtin_fn_types, s390_builtin_decls): Add GTY marker.
* config/s390/t-s390 (EXTRA_GTYPE_DEPS): Add s390-gen-builtins.h.
Add build rule for s390-gen-builtins.h.
2023-11-14 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390-c.cc (s390_fn_types_compatible): Add a check
for error_mark_node.
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR c/111309
* builtins.def (BUILT_IN_CLZG, BUILT_IN_CTZG, BUILT_IN_CLRSBG,
BUILT_IN_FFSG, BUILT_IN_PARITYG, BUILT_IN_POPCOUNTG): New
builtins.
* builtins.cc (fold_builtin_bit_query): New function.
(fold_builtin_1): Use it for
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
(fold_builtin_2): Use it for BUILT_IN_{CLZ,CTZ}G.
* fold-const-call.cc: Fix comment typo on tm.h inclusion.
(fold_const_call_ss): Handle
CFN_BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
(fold_const_call_sss): New function.
(fold_const_call_1): Call it for 2 argument functions returning
scalar when passed 2 INTEGER_CSTs.
* genmatch.cc (cmp_operand): For function calls also compare
number of arguments.
(fns_cmp): New function.
(dt_node::gen_kids): Sort fns and generic_fns.
(dt_node::gen_kids_1): Handle fns with the same id but different
number of arguments.
* match.pd (CLZ simplifications): Drop checks for defined behavior
at zero. Add variant of simplifications for IFN_CLZ with 2 arguments.
(CTZ simplifications): Drop checks for defined behavior at zero,
don't optimize precisions above MAX_FIXED_MODE_SIZE. Add variant of
simplifications for IFN_CTZ with 2 arguments.
(a != 0 ? CLZ(a) : CST -> .CLZ(a)): Use TREE_TYPE (@3) instead of
type, add BITINT_TYPE handling, create 2 argument IFN_CLZ rather than
one argument. Add variant for matching CLZ with 2 arguments.
(a != 0 ? CTZ(a) : CST -> .CTZ(a)): Similarly.
* gimple-lower-bitint.cc (bitint_large_huge::lower_bit_query): New
method.
(bitint_large_huge::lower_call): Use it for IFN_{CLZ,CTZ,CLRSB,FFS}
and IFN_{PARITY,POPCOUNT} calls.
* gimple-range-op.cc (cfn_clz::fold_range): Don't check
CLZ_DEFINED_VALUE_AT_ZERO for m_gimple_call_internal_p, instead
assume defined value at zero if the call has 2 arguments and use
second argument value for that case.
(cfn_ctz::fold_range): Similarly.
(gimple_range_op_handler::maybe_builtin_call): Use op_cfn_clz_internal
or op_cfn_ctz_internal only if internal fn call has 2 arguments and
set m_op2 in that case.
* tree-vect-patterns.cc (vect_recog_ctz_ffs_pattern,
vect_recog_popcount_clz_ctz_ffs_pattern): For value defined at zero
use second argument of calls if present, otherwise assume UB at zero,
create 2 argument .CLZ/.CTZ calls if needed.
* tree-vect-stmts.cc (vectorizable_call): Handle 2 argument .CLZ/.CTZ
calls.
* tree-ssa-loop-niter.cc (build_cltz_expr): Create 2 argument
.CLZ/.CTZ calls if needed.
* tree-ssa-forwprop.cc (simplify_count_trailing_zeroes): Create 2
argument .CTZ calls if needed.
* tree-ssa-phiopt.cc (cond_removal_in_builtin_zero_pattern): Handle
2 argument .CLZ/.CTZ calls, handle BITINT_TYPE, create 2 argument
.CLZ/.CTZ calls.
* doc/extend.texi (__builtin_clzg, __builtin_ctzg, __builtin_clrsbg,
__builtin_ffsg, __builtin_parityg, __builtin_popcountg): Document.
2023-11-14 Xi Ruoyao <xry111@xry111.site>
PR target/112330
* config/loongarch/genopts/loongarch.opt.in: Add
-m[no]-pass-relax-to-as. Change the default of -m[no]-relax to
account conditional branch relaxation support status.
* config/loongarch/loongarch.opt: Regenerate.
* configure.ac (gcc_cv_as_loongarch_cond_branch_relax): Check if
the assembler supports conditional branch relaxation.
* configure: Regenerate.
* config.in: Regenerate. Note that there are some unrelated
changes introduced by r14-5424 (which does not contain a
config.in regeneration).
* config/loongarch/loongarch-opts.h
(HAVE_AS_COND_BRANCH_RELAXATION): Define to 0 if not defined.
* config/loongarch/loongarch-driver.h (ASM_MRELAX_DEFAULT):
Define.
(ASM_MRELAX_SPEC): Define.
(ASM_SPEC): Use ASM_MRELAX_SPEC instead of "%{mno-relax}".
* config/loongarch/loongarch.cc: Take the setting of
-m[no-]relax into account when determining the default of
-mexplicit-relocs=.
* doc/invoke.texi: Document -m[no-]relax and
-m[no-]pass-mrelax-to-as for LoongArch. Update the default
value of -mexplicit-relocs=.
2023-11-14 liuhongt <hongtao.liu@intel.com>
PR tree-optimization/112496
* tree-vect-loop.cc (vectorizable_nonlinear_induction): Return
false when !tree_nop_conversion_p (TREE_TYPE (vectype),
TREE_TYPE (init_expr)).
2023-11-14 Xi Ruoyao <xry111@xry111.site>
* config/loongarch/sync.md (mem_thread_fence): Remove redundant
check.
(mem_thread_fence_1): Emit finer-grained DBAR hints for
different memory models, instead of 0.
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR middle-end/112511
* tree.cc (type_contains_placeholder_1): Handle BITINT_TYPE like
INTEGER_TYPE.
2023-11-14 Jakub Jelinek <jakub@redhat.com>
Hu, Lin1 <lin1.hu@intel.com>
PR target/112435
* config/i386/sse.md (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>): Add
alternative with just x instead of v constraints and xjm instead of
vm and use vblendps as optimization only with that alternative.
2023-11-14 liuhongt <hongtao.liu@intel.com>
PR tree-optimization/105735
PR tree-optimization/111972
* tree-scalar-evolution.cc
(analyze_and_compute_bitop_with_inv_effect): Handle bitop with
INTEGER_CST.
2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* configure: Regenerate.
* aclocal.m4: Regenerate.
* Makefile.in (LIBDEPS): Remove (potential) ./ prefix from
LIBINTL_DEP.
* doc/install.texi: Document new (notable) flags added by the
optional gettext tree and by AM_GNU_GETTEXT. Document libintl/libc
with gettext dependency.
2023-11-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386-expand.h (gen_pushfl): New prototype.
(gen_popfl): Ditto.
* config/i386/i386-expand.cc (ix86_expand_builtin)
[case IX86_BUILTIN_READ_FLAGS]: Use gen_pushfl.
[case IX86_BUILTIN_WRITE_FLAGS]: Use gen_popfl.
* config/i386/i386.cc (gen_pushfl): New function.
(gen_popfl): Ditto.
* config/i386/i386.md (unspec): Add UNSPEC_PUSHFL and UNSPEC_POPFL.
(@pushfl<mode>2): Rename from *pushfl<mode>2.
Rewrite as unspec using UNSPEC_PUSHFL.
(@popfl<mode>1): Rename from *popfl<mode>1.
Rewrite as unspec using UNSPEC_POPFL.
2023-11-13 Uros Bizjak <ubizjak@gmail.com>
PR target/112494
* config/i386/i386.cc (ix86_cc_mode) [default]: Return CCmode.
2023-11-13 Robin Dapp <rdapp@ventanamicro.com>
* config/riscv/riscv-vsetvl.cc (source_equal_p): Use pointer
equality for REG_EQUAL.
2023-11-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/112495
* tree-data-ref.cc (runtime_alias_check_p): Reject checks
between different address spaces.
2023-11-13 Richard Biener <rguenther@suse.de>
PR middle-end/112487
* tree-inline.cc (setup_one_parameter): When the parameter
is unused only insert a debug bind when there's not a gross
mismatch in value and declared parameter type. Do not assert
there effectively isn't.
2023-11-13 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv-v.cc
(rvv_builder::combine_sequence_use_merge_profitable_p): New function.
(expand_vector_init_merge_combine_sequence): Ditto.
(expand_vec_init): Adapt for new optimization.
2023-11-13 liuhongt <hongtao.liu@intel.com>
* config/i386/i386-expand.cc
(ix86_expand_vector_init_duplicate): Handle V4HF/V4BF and
V2HF/V2BF.
(ix86_expand_vector_init_one_nonzero): Ditto.
(ix86_expand_vector_init_one_var): Ditto.
(ix86_expand_vector_init_general): Ditto.
(ix86_expand_vector_set_var): Ditto.
(ix86_expand_vector_set): Ditto.
(ix86_expand_vector_extract): Ditto.
* config/i386/mmx.md
(mmxdoublevecmode): Extend to V4HF/V4BF/V2HF/V2BF.
(*mmx_pinsrw): Extend to V4FI_64, add a new alternative (&x,
x, x), add a new define_split after the pattern.
(*mmx_pextrw<mode>): New define_insn.
(mmx_pshufw_1): Rename to ..
(mmx_pshufw<mode>_1): .. this, extend to V4FI_64.
(*mmx_pblendw64): Extend to V4FI_64.
(*vec_dup<mode>): New define_insn.
(vec_setv4hi): Rename to ..
(vec_set<mode>): .. this, and extend to V4FI_64
(vec_extractv4hihi): Rename to ..
(vec_extract<mode><mmxscalarmodelower>): .. this, and extend
to V4FI_64.
(vec_init<mode><mmxscalarmodelower>): New define_insn.
(*pinsrw): Extend to V2FI_32, add a new alternative (&x,
x, x), and add a new define_split after it.
(*pextrw<mode>): New define_insn.
(vec_setv2hi): Rename to ..
(vec_set<mode>): .. this, extend to V2FI_32.
(vec_extractv2hihi): Rename to ..
(vec_extract<mode><mmxscalarmodelower>): .. this, extend to
V2FI_32.
(*punpckwd): Extend to V2FI_32.
(*pshufw_1): Rename to ..
(*pshufw<mode>_1): .. this, extend to V2FI_32.
(vec_initv2hihi): Rename to ..
(vec_init<mode><mmxscalarmodelower>): .. this, and extend to
V2FI_32.
(*vec_dup<mode>): New define_insn.
* config/i386/sse.md (*vec_extract<mode>): Refine constraint
from v to Yw.
2023-11-13 Roger Sayle <roger@nextmovesoftware.com>
* config/arc/arc.md (UNSPEC_ARC_CC_NEZ): New UNSPEC that
represents the carry flag being set if the operand is non-zero.
(adc_f): New define_insn representing adc with updated flags.
(ashrdi3): New define_expand that only handles shifts by 1.
(ashrdi3_cnt1): New pre-reload define_insn_and_split.
(lshrdi3): New define_expand that only handles shifts by 1.
(lshrdi3_cnt1): New pre-reload define_insn_and_split.
(rrcsi2): New define_insn for rrc (SImode rotate right through carry).
(rrcsi2_carry): Likewise for rrc.f, as above but updating flags.
(rotldi3): New define_expand that only handles rotates by 1.
(rotldi3_cnt1): New pre-reload define_insn_and_split.
(rotrdi3): New define_expand that only handles rotates by 1.
(rotrdi3_cnt1): New pre-reload define_insn_and_split.
(lshrsi3_cnt1_carry): New define_insn for lsr.f.
(ashrsi3_cnt1_carry): New define_insn for asr.f.
(btst_0_carry): New define_insn for asr.f without result.
2023-11-13 Roger Sayle <roger@nextmovesoftware.com>
* config/arc/arc.cc (TARGET_FOLD_BUILTIN): Define to
arc_fold_builtin.
(arc_fold_builtin): New function. Convert ARC_BUILTIN_SWAP
into a rotate. Evaluate ARC_BUILTIN_NORM and
ARC_BUILTIN_NORMW of constant arguments.
* config/arc/arc.md (UNSPEC_ARC_SWAP): Delete.
(normw): Make output template/assembler whitespace consistent.
(swap): Remove define_insn, only use of SWAP UNSPEC.
* config/arc/builtins.def: Tweak indentation.
(SWAP): Expand using rotlsi2_cnt16 instead of using swap.
2023-11-13 Roger Sayle <roger@nextmovesoftware.com>
* config/i386/i386.md (<insn><dwi>3_doubleword_lowpart): New
define_insn_and_split to optimize register usage of doubleword
right shifts followed by truncation.
2023-11-13 Jakub Jelinek <jakub@redhat.com>
* config/i386/constraints.md: Remove j constraint letter from list of
unused letters.
2023-11-13 Xi Ruoyao <xry111@xry111.site>
PR rtl-optimization/112483
* simplify-rtx.cc (simplify_binary_operation_1) <case COPYSIGN>:
Fix the simplification of (fcopysign x, NEGATIVE_CONST).
2023-11-13 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/111967
* gimple-range-cache.cc (block_range_cache::set_bb_range): Grow
m_ssa_ranges to num_ssa_names rather than num_ssa_names + 1.
(block_range_cache::dump): Iterate from 1 rather than 0. Don't use
ssa_name (x) unless m_ssa_ranges[x] is non-NULL. Iterate to
m_ssa_ranges.length () rather than num_ssa_names.
2023-11-13 Xi Ruoyao <xry111@xry111.site>
* config/loongarch/loongarch.md (LD_AT_LEAST_32_BIT): New mode
iterator.
(ST_ANY): New mode iterator.
(define_peephole2): Use LD_AT_LEAST_32_BIT instead of GPR and
ST_ANY instead of QHWD for applicable patterns.
2023-11-13 Xi Ruoyao <xry111@xry111.site>
PR target/112476
* config/loongarch/loongarch.cc
(loongarch_expand_vec_cond_mask_expr): Call simplify_gen_subreg
instead of gen_rtx_SUBREG.
2023-11-13 Pan Li <pan2.li@intel.com>
* config/riscv/autovec.md: Add bridge mode to lrint and lround
pattern.
* config/riscv/riscv-protos.h (expand_vec_lrint): Add new arg
bridge machine mode.
(expand_vec_lround): Ditto.
* config/riscv/riscv-v.cc (emit_vec_widden_cvt_f_f): New helper
func impl to emit vfwcvt.f.f.
(emit_vec_rounding_to_integer): Handle the HF to DI rounding
with the bridge mode.
(expand_vec_lrint): Reorder the args.
(expand_vec_lround): Ditto.
(expand_vec_lceil): Ditto.
(expand_vec_lfloor): Ditto.
* config/riscv/vector-iterators.md: Add vector HFmode and bridge
mode for converting to DI.
2023-11-12 Jeff Law <jlaw@ventanamicro.com>
Revert:
2023-11-11 Jin Ma <jinma@linux.alibaba.com>
* haifa-sched.cc (use_or_clobber_starts_range_p): New.
(prune_ready_list): USE or CLOBBER should delay execution
if it starts a new live range.
2023-11-12 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*stack_protect_set_4s_<mode>_di):
Remove alternative 0.
2023-11-11 Eric Botcazou <ebotcazou@adacore.com>
* ipa-cp.cc (print_ipcp_constant_value): Move to...
(values_equal_for_ipcp_p): Deal with VAR_DECLs from the
constant pool.
* ipa-prop.cc (ipa_print_constant_value): ...here. Likewise.
(ipa_print_node_jump_functions_for_edge): Call the function
ipa_print_constant_value to print IPA_JF_CONST elements.
2023-11-11 Jin Ma <jinma@linux.alibaba.com>
* haifa-sched.cc (use_or_clobber_starts_range_p): New.
(prune_ready_list): USE or CLOBBER should delay execution
if it starts a new live range.
2023-11-11 Jakub Jelinek <jakub@redhat.com>
PR middle-end/112430
* tree-ssa-math-opts.cc (match_uaddc_usubc): Remove temp_stmts in the
order they were pushed rather than in reverse order. Call
release_defs after gsi_remove.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def (mode_switching.backprop): New hook.
* doc/tm.texi.in (TARGET_MODE_BACKPROP): New @hook.
* doc/tm.texi: Regenerate.
* mode-switching.cc (struct bb_info): Add single_succ.
(confluence_info): Add transp field.
(single_succ_confluence_n, single_succ_transfer): New functions.
(backprop_confluence_n, backprop_transfer): Likewise.
(optimize_mode_switching): Use them. Push mode transitions onto
a block's incoming edges, if the backprop hook requires it.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def (mode_switching.confluence): New hook.
* doc/tm.texi (TARGET_MODE_CONFLUENCE): New @hook.
* doc/tm.texi.in: Regenerate.
* mode-switching.cc (confluence_info): New variable.
(mode_confluence, forward_confluence_n, forward_transfer): New
functions.
(optimize_mode_switching): Use them to calculate mode_in when
TARGET_MODE_CONFLUENCE is defined.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (commit_mode_sets): Use 1-based edge aux values.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def (mode_switching.after): Add a regs_live parameter.
* doc/tm.texi: Regenerate.
* config/epiphany/epiphany-protos.h (epiphany_mode_after): Update
accordingly.
* config/epiphany/epiphany.cc (epiphany_mode_needed): Likewise.
(epiphany_mode_after): Likewise.
* config/i386/i386.cc (ix86_mode_after): Likewise.
* config/riscv/riscv.cc (riscv_mode_after): Likewise.
* config/sh/sh.cc (sh_mode_after): Likewise.
* mode-switching.cc (optimize_mode_switching): Likewise.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def (mode_switching.needed): Add a regs_live parameter.
* doc/tm.texi: Regenerate.
* config/epiphany/epiphany-protos.h (epiphany_mode_needed): Update
accordingly.
* config/epiphany/epiphany.cc (epiphany_mode_needed): Likewise.
* config/epiphany/mode-switch-use.cc (insert_uses): Likewise.
* config/i386/i386.cc (ix86_mode_needed): Likewise.
* config/riscv/riscv.cc (riscv_mode_needed): Likewise.
* config/sh/sh.cc (sh_mode_needed): Likewise.
* mode-switching.cc (optimize_mode_switching): Likewise.
(create_pre_exit): Likewise, using the DF simulate functions
to calculate the required information.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def (mode_switching.eh_handler): New hook.
* doc/tm.texi.in (TARGET_MODE_EH_HANDLER): New @hook.
* doc/tm.texi: Regenerate.
* mode-switching.cc (optimize_mode_switching): Use eh_handler
to get the mode on entry to an exception handler.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (optimize_mode_switching): Mark the exit
block as nontransparent if it requires a specific mode.
Handle the entry and exit mode as sibling rather than nested
concepts. Remove outdated comment.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (optimize_mode_switching): Initially
compute transparency in a bit-per-block bitmap.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (seginfo): Add a prev_mode field.
(new_seginfo): Take and initialize the prev_mode.
(optimize_mode_switching): Update calls accordingly.
Use the recorded modes during the emit phase, rather than
computing one on the fly.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (add_seginfo): Replace head pointer with
a pointer to the tail pointer.
(optimize_mode_switching): Update calls accordingly.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* mode-switching.cc (optimize_mode_switching): Call
df_note_add_problem.
2023-11-11 Richard Sandiford <richard.sandiford@arm.com>
* target.def: Tweak documentation of mode-switching hooks.
* doc/tm.texi.in (OPTIMIZE_MODE_SWITCHING): Tweak documentation.
(NUM_MODES_FOR_MODE_SWITCHING): Likewise.
* doc/tm.texi: Regenerate.
2023-11-11 Martin Uecker <uecker@tugraz.at>
PR c/110815
PR c/112428
* gimple-ssa-warn-access.cc (pass_waccess::maybe_check_access_sizes):
remove warning for parameters declared with `static`.
2023-11-11 Joern Rennecke <joern.rennecke@embecosm.com>
* doc/sourcebuild.texi (Scan the assembly output): Document change.
2023-11-10 Mao <sray@live.com>
PR middle-end/110983
* doc/invoke.texi (Option Summary): Add -fpatchable-function-entry.
2023-11-10 Maciej W. Rozycki <macro@embecosm.com>
* config/riscv/riscv.md (length): Fix indentation for branch and
jump length calculation expressions.
2023-11-10 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.cc (operand_compare::operand_equal_p) <CONSTRUCTOR>:
Deal with nonempty constant CONSTRUCTORs.
(operand_compare::hash_operand) <CONSTRUCTOR>: Hash DECL_FIELD_OFFSET
and DECL_FIELD_BIT_OFFSET for FIELD_DECLs.
2023-11-10 Vladimir N. Makarov <vmakarov@redhat.com>
PR target/112337
* ira-costs.cc: (validate_autoinc_and_mem_addr_p): New function.
(equiv_can_be_consumed_p): Use it.
2023-11-10 Richard Sandiford <richard.sandiford@arm.com>
* read-rtl.cc (md_reader::read_mapping): Allow iterators to
include other iterators.
* doc/md.texi: Document the change.
* config/aarch64/iterators.md (DREG2, VQ2, TX2, DX2, SX2): Include
the iterator that is being duplicated, rather than reproducing it.
(VSTRUCT_D): Redefine using VSTRUCT_[234]D.
(VSTRUCT_Q): Likewise VSTRUCT_[234]Q.
(VSTRUCT_2QD, VSTRUCT_3QD, VSTRUCT_4QD, VSTRUCT_QD): Redefine using
the individual D and Q iterators.
2023-11-10 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (stack_protect_set_1 peephole2):
Explicitly check operand 2 for word_mode.
(stack_protect_set_1 peephole2 #2): Ditto.
(stack_protect_set_2 peephole2): Ditto.
(stack_protect_set_3 peephole2): Ditto.
(*stack_protect_set_4z_<mode>_di): New insn patter.
(*stack_protect_set_4s_<mode>_di): Ditto.
(stack_protect_set_4 peephole2): New peephole2 pattern to
substitute stack protector scratch register clear with unrelated
register initialization involving zero/sign-extend instruction.
2023-11-10 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (shift): Use SAL insted of SLL
for ashift insn mnemonic.
2023-11-10 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR tree-optimization/112438
* tree-vect-loop.cc (vectorizable_induction): Bugfix when
LOOP_VINFO_USING_SELECT_VL_P.
2023-11-10 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv-protos.h (enum insn_type): New enum.
* config/riscv/riscv-v.cc
(rvv_builder::combine_sequence_use_slideup_profitable_p): New function.
(expand_vector_init_slideup_combine_sequence): Ditto.
(expand_vec_init): Add slideup combine optimization.
2023-11-10 Robin Dapp <rdapp@ventanamicro.com>
PR tree-optimization/112464
* tree-vect-loop.cc (vectorize_fold_left_reduction): Use
vect_orig_stmt on scalar_dest_def_info.
2023-11-10 Jin Ma <jinma@linux.alibaba.com>
* config/riscv/riscv.cc (riscv_for_each_saved_reg): Place the interrupt
operation before the XTheadMemPair.
2023-11-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/110221
* tree-vect-slp.cc (vect_schedule_slp_node): When loop
masking / len is applied make sure to not schedule
intenal defs outside of the loop.
2023-11-10 Andrew Stubbs <ams@codesourcery.com>
* expr.cc (store_constructor): Add "and" operation to uniform mask
generation.
2023-11-10 Andrew Stubbs <ams@codesourcery.com>
PR target/112308
* config/gcn/gcn-valu.md (add<mode>3<exec_clobber>): Fix B constraint
and switch to the new format.
(add<mode>3_dup<exec_clobber>): Likewise.
(add<mode>3_vcc<exec_vcc>): Likewise.
(add<mode>3_vcc_dup<exec_vcc>): Likewise.
(add<mode>3_vcc_zext_dup): Likewise.
(add<mode>3_vcc_zext_dup_exec): Likewise.
(add<mode>3_vcc_zext_dup2): Likewise.
(add<mode>3_vcc_zext_dup2_exec): Likewise.
2023-11-10 Richard Biener <rguenther@suse.de>
PR middle-end/112469
* match.pd (cond ? op a : b -> .COND_op (cond, a, b)): Add
missing view_converts.
2023-11-10 Andrew Stubbs <ams@codesourcery.com>
* config/gcn/gcn.cc (gcn_expand_reduc_scalar): Add clobber to DImode
min/max instructions.
2023-11-10 Chenghui Pan <panchenghui@loongson.cn>
* config/loongarch/lsx.md: Fix instruction name typo in
lsx_vreplgr2vr_<lsxfmt_f> template.
2023-11-10 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/autovec.md (vec_init<mode><vel>): Split patterns.
2023-11-10 Pan Li <pan2.li@intel.com>
* config/riscv/riscv-v.cc (expand_vector_init_trailing_same_elem):
New fun impl to expand the insn when trailing same elements.
(expand_vec_init): Try trailing same elements when vec_init.
2023-11-10 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/autovec-opt.md (*cond_copysign<mode>): Remove.
* config/riscv/autovec.md (cond_copysign<mode>): New pattern.
2023-11-10 Pan Li <pan2.li@intel.com>
PR target/112432
* internal-fn.def (LRINT): Add FLOATN support.
(LROUND): Ditto.
(LLRINT): Ditto.
(LLROUND): Ditto.
2023-11-10 Jeff Law <jlaw@ventanamicro.com>
* config/h8300/combiner.md (single bit sign_extract): Avoid recently
added patterns for H8/SX.
(single bit zero_extract): New patterns.
2023-11-10 liuhongt <hongtao.liu@intel.com>
PR target/112443
* config/i386/sse.md (*avx2_pcmp<mode>3_4): Fix swap condition
from LT to GT since there's not in the pattern.
(*avx2_pcmp<mode>3_5): Ditto.
2023-11-10 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/bpf/bpf.cc (bpf_print_register): Accept modifier code 'W'
to force emitting register names using the wN form.
* config/bpf/bpf.md (*mulsidi3_zeroextend): Force operands to
always use wN written form in pseudo-C assembly syntax.
2023-11-09 David Malcolm <dmalcolm@redhat.com>
* diagnostic-show-locus.cc (layout::m_line_table): New field.
(compatible_locations_p): Convert to...
(layout::compatible_locations_p): ...this, replacing uses of
line_table global with m_line_table.
(layout::layout): Convert "richloc" param from a pointer to a
const reference. Initialize m_line_table member.
(layout::maybe_add_location_range): Replace uses of line_table
global with m_line_table. Pass the latter to
linemap_client_expand_location_to_spelling_point.
(layout::print_leading_fixits): Pass m_line_table to
affects_line_p.
(layout::print_trailing_fixits): Likewise.
(gcc_rich_location::add_location_if_nearby): Update for change
to layout ctor params.
(diagnostic_show_locus): Convert to...
(diagnostic_context::maybe_show_locus): ...this, converting
richloc param from a pointer to a const reference. Make "loc"
const. Split out printing part of function to...
(diagnostic_context::show_locus): ...this.
(selftest::test_offset_impl): Update for change to layout ctor
params.
(selftest::test_layout_x_offset_display_utf8): Likewise.
(selftest::test_layout_x_offset_display_tab): Likewise.
(selftest::test_tab_expansion): Likewise.
* diagnostic.h (diagnostic_context::maybe_show_locus): New decl.
(diagnostic_context::show_locus): New decl.
(diagnostic_show_locus): Convert from a decl to an inline function.
* gdbinit.in (break-on-diagnostic): Update from a breakpoint
on diagnostic_show_locus to one on
diagnostic_context::maybe_show_locus.
* genmatch.cc (linemap_client_expand_location_to_spelling_point):
Add "set" param and use it in place of line_table global.
* input.cc (expand_location_1): Likewise.
(expand_location): Update for new param of expand_location_1.
(expand_location_to_spelling_point): Likewise.
(linemap_client_expand_location_to_spelling_point): Add "set"
param and use it in place of line_table global.
* tree-diagnostic-path.cc (event_range::print): Pass line_table
for new param of linemap_client_expand_location_to_spelling_point.
2023-11-09 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (@stack_protect_set_1_<PTR:mode>_<W:mode>):
Use W mode iterator instead of SWI48. Output MOV instead of XOR
for TARGET_USE_MOV0.
(stack_protect_set_1 peephole2): Use integer modes with
mode size <= word mode size for operand 3.
(stack_protect_set_1 peephole2 #2): New peephole2 pattern to
substitute stack protector scratch register clear with unrelated
register initialization, originally in front of stack
protector sequence.
(*stack_protect_set_3_<PTR:mode>_<SWI48:mode>): New insn pattern.
(stack_protect_set_1 peephole2): New peephole2 pattern to
substitute stack protector scratch register clear with unrelated
register initialization involving LEA instruction.
2023-11-09 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/110215
* ira-lives.cc: (add_conflict_from_region_landing_pads): New
function.
(process_bb_node_lives): Use it.
2023-11-09 Alexandre Oliva <oliva@adacore.com>
* config/i386/i386.cc (symbolic_base_address_p,
base_address_p): New, factored out from...
(extract_base_offset_in_addr): ... here and extended to
recognize REG+GOTOFF, as in gcc.target/i386/sse2-load-multi.c
and sse2-store-multi.c with PIE enabled by default.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* config/aarch64/aarch64-sve.md (cond_copysign<mode>): New.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* config/aarch64/aarch64.md (copysign<GPF:mode>3): Handle
copysign (x, -1).
* config/aarch64/aarch64-simd.md (copysign<mode>3): Likewise.
* config/aarch64/aarch64-sve.md (copysign<mode>3): Likewise.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* config/aarch64/aarch64.md (<optab><mode>3): Add SVE split case.
* config/aarch64/aarch64-simd.md (ior<mode>3<vczle><vczbe>): Likewise.
* config/aarch64/predicates.md(aarch64_orr_imm_sve_advsimd): New.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* config/aarch64/aarch64.md (*mov<mode>_aarch64, *movsi_aarch64,
*movdi_aarch64): Add new w -> Z case.
* config/aarch64/iterators.md (Vbtype): Add QI and HI.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* config/aarch64/aarch64-protos.h (aarch64_simd_special_constant_p,
aarch64_maybe_generate_simd_constant): New.
* config/aarch64/aarch64-simd.md (*aarch64_simd_mov<VQMOV:mode>,
*aarch64_simd_mov<VDMOV:mode>): Add new coden for special constants.
* config/aarch64/aarch64.cc (aarch64_extract_vec_duplicate_wide_int):
Take optional mode.
(aarch64_simd_special_constant_p,
aarch64_maybe_generate_simd_constant): New.
* config/aarch64/aarch64.md (*movdi_aarch64): Add new codegen for
special constants.
* config/aarch64/constraints.md (Dx): new.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* internal-fn.def (COPYSIGN): New.
* match.pd (UNCOND_BINARY, COND_BINARY): Map IFN_COPYSIGN to
IFN_COND_COPYSIGN.
* optabs.def (cond_copysign_optab, cond_len_copysign_optab): New.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* match.pd: Add new neg+abs rule, remove inverse copysign rule.
2023-11-09 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/109154
* match.pd: expand existing copysign optimizations.
2023-11-09 Tatsuyuki Ishi <ishitatsuyuki@gmail.com>
PR driver/111605
* collect2.cc (main): Do not prepend target triple to
-fuse-ld=lld,mold.
2023-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/111133
* tree-vect-stmts.cc (vect_build_scatter_store_calls):
Remove and refactor to ...
(vect_build_one_scatter_store_call): ... this new function.
(vectorizable_store): Use vect_check_scalar_mask to record
the SLP node for the mask operand. Code generate scatters
with builtin decls from the main scatter vectorization
path and prepare that for SLP.
* tree-vect-slp.cc (vect_get_operand_map): Do not look
at the VDEF to decide between scatter or gather since that
doesn't work for patterns. Use the LHS being an SSA_NAME
or not instead.
2023-11-09 Pan Li <pan2.li@intel.com>
* config/riscv/riscv.cc (riscv_frm_emit_after_bb_end): Only
perform once emit when at least one succ edge is abnormal.
2023-11-09 Richard Biener <rguenther@suse.de>
* tree-vect-loop.cc (vect_verify_full_masking_avx512):
Check we have integer mode masks as required by
vect_get_loop_mask.
2023-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/112444
* tree-ssa-sccvn.cc (visit_phi): Avoid using not visited
defs as undefined vals.
2023-11-09 YunQiang Su <yunqiang.su@cipunited.com>
* config/mips/mips.cc(mips_option_override): Set mips_abs to
2008, if mips_abs is default and mips_nan is 2008.
2023-11-09 Florian Weimer <fweimer@redhat.com>
* doc/invoke.texi (Warning Options): Document
-Wreturn-mismatch. Update -Wreturn-type documentation.
2023-11-09 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/s390.md: Remove UNSPEC_VEC_ELTSWAP.
* config/s390/vector.md (eltswapv16qi): New expander.
(*eltswapv16qi): New insn and splitter.
(eltswapv8hi): New insn and splitter.
(eltswap<mode>): New insn and splitter for modes V_HW_4 as well
as V_HW_2.
* config/s390/vx-builtins.md (eltswap<mode>): Remove.
(*eltswapv16qi): Remove.
(*eltswap<mode>): Remove.
(*eltswap<mode>_emu): Remove.
2023-11-09 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/s390.cc (expand_perm_with_rot): Remove.
(expand_perm_reverse_elements): New.
(expand_perm_with_vster): Remove.
(expand_perm_with_vstbrq): Remove.
(vectorize_vec_perm_const_1): Replace removed functions with new
one.
2023-11-09 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/s390.cc (expand_perm_with_merge): Deal with cases
where vmr{l,h} are still applicable if the operands are swapped.
(expand_perm_with_vpdi): Likewise for vpdi.
2023-11-09 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
* config/s390/s390.md (VX_CONV_INT): Remove iterator.
(gf): Add float mappings.
(TOINT, toint): New attribute.
(*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13):
Remove.
(*fixuns_trunc<mode><toint>2_z13): Add.
(*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13):
Remove.
(*fix_trunc<mode><toint>2_bfp_z13): Add.
(*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13): Remove.
(*floatuns<toint><mode>2_z13): Add.
* config/s390/vector.md (VX_VEC_CONV_INT): Remove iterator.
(float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2): Remove.
(float<tointvec><mode>2): Add.
(floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2): Remove.
(floatuns<tointvec><mode>2): Add.
(fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2):
Remove.
(fix_trunc<mode><tointvec>2): Add.
(fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2):
Remove.
(fixuns_trunc<VX_VEC_CONV_BFP:mode><tointvec>2): Add.
2023-11-09 Jakub Jelinek <jakub@redhat.com>
PR c/112339
* attribs.cc (attribute_ignored_p): Only return true for
attr_namespace_ignored_p if as is NULL.
(decl_attributes): Never add ignored attributes.
2023-11-09 Jin Ma <jinma@linux.alibaba.com>
* config/riscv/bitmanip.md: Avoid the conflict between
zbb and xtheadmemidx in patterns.
2023-11-09 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.cc (vectorizable_simd_clone_call): Record
to the correct simd_clone_info.
2023-11-09 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv-vector-costs.cc (costs::preferred_new_lmul_p): Fix ICE.
2023-11-09 Alexandre Oliva <oliva@adacore.com>
* tree-cfg.cc (assign_discriminators): Handle debug stmts.
2023-11-08 Uros Bizjak <ubizjak@gmail.com>
PR target/82524

2
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20231109
20231114

15
gcc/ada/ChangeLog
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@ -1,3 +1,18 @@
2023-11-10 Andris Pavēnis <andris.pavenis@iki.fi>
* expect.c (__gnat_waitpid): fix syntax errors
2023-11-09 Simon Wright <simon@pushface.org>
PR ada/111813
* libgnat/a-calfor.adb (Value (2)): Allow values of
parameter Elapsed_Time greater than or equal to 24 hours, by doing
the hour calculations in Natural rather than Hour_Number (0 ..
23). Calculate the result directly rather than by using Seconds_Of
(whose Hour parameter is of type Hour_Number).
If an exception occurs of type Constraint_Error, re-raise it
rather than raising a new CE.
2023-11-07 Joseph Myers <joseph@codesourcery.com>
* gcc-interface/utils.cc (flag_isoc2x): Rename to flag_isoc23.

21
gcc/c-family/ChangeLog
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@ -1,3 +1,24 @@
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR c/111309
* c-common.cc (check_builtin_function_arguments): Handle
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
* c-gimplify.cc (c_gimplify_expr): If __builtin_c[lt]zg second
argument hasn't been folded into constant yet, transform it to one
argument call inside of a COND_EXPR which for first argument 0
returns the second argument.
2023-11-11 Martin Uecker <uecker@tugraz.at>
PR c/110815
PR c/112428
* c-attribs.cc (build_attr_access_from_parms): Synthesize
nonnull attribute for parameters declared with `static`.
2023-11-09 Florian Weimer <fweimer@redhat.com>
* c.opt (Wreturn-mismatch): New.
2023-11-08 Florian Weimer <fweimer@redhat.com>
* c.opt (fpermissive): Enable for C and ObjC.

18
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@ -1,3 +1,21 @@
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR c/111309
* c-typeck.cc (convert_arguments): Don't promote first argument
of BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
2023-11-10 Martin Uecker <uecker@tugraz.at>
* c-typeck.cc (struct comptypes_data): Add anon_field flag.
(comptypes, comptypes_check_unum_int,
comptypes_check_different_types): Remove old cache.
(tagged_tu_types_compatible_p): Rewrite.
2023-11-09 Florian Weimer <fweimer@redhat.com>
* c-typeck.cc (c_finish_return): Use pedwarn with
OPT_Wreturn_mismatch for missing/extra return expressions.
2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* c-decl.cc (c_decl_attributes): Add attribute for indirect

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gcc/cp/ChangeLog
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@ -1,3 +1,37 @@
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
PR c++/111842
PR c++/112498
* call.cc (convert_like_internal): Use OPT_Wnarrowing for
pedwarns about illformed conversions involving extended
floating-point types. Clarify that ISO C++ requires these
diagnostics.
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR c/111309
* call.cc (magic_varargs_p): Return 4 for
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
(build_over_call): Don't promote first argument of
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
* cp-gimplify.cc (cp_gimplify_expr): For BUILT_IN_C{L,T}ZG use
c_gimplify_expr.
2023-11-10 Patrick Palka <ppalka@redhat.com>
PR c++/79620
* cp-tree.h (STRIP_REFERENCE_REF): Define.
* semantics.cc (outer_var_p): Assert REFERENCE_REF_P is false.
(finish_decltype_type): Look through implicit INDIRECT_REF when
deciding whether to call capture_decltype.
2023-11-10 Patrick Palka <ppalka@redhat.com>
PR c++/79378
PR c++/96917
* semantics.cc (finish_decltype_type): Handle an id-expression
naming a capture proxy specially.
2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* cp-tree.h (cp_omp_declare_target_attr): Add indirect field.

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@ -1,3 +1,7 @@
2023-11-09 Guillaume Gomez <guillaume1.gomez@gmail.com>
* libgccjit++.h:
2023-11-04 David Malcolm <dmalcolm@redhat.com>
* jit-playback.cc: Update for changes to diagnostic_context.

2502
gcc/testsuite/ChangeLog
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File diff suppressed because it is too large Load Diff

5
libatomic/ChangeLog
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@ -1,3 +1,8 @@
2023-11-10 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/host-config.h (ifunc1): Use CPUID in ifunc
selection.
2023-10-26 Thomas Schwinge <thomas@codesourcery.com>
PR testsuite/109951

26
libcpp/ChangeLog
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@ -1,3 +1,29 @@
2023-11-14 Arsen Arsenović <arsen@aarsen.me>
* config.in: Regenerate.
2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* configure: Regenerate.
* aclocal.m4: Regenerate.
2023-11-09 David Malcolm <dmalcolm@redhat.com>
* include/line-map.h (rich_location::get_expanded_location): Make
const.
(rich_location::get_line_table): New accessor.
(rich_location::m_line_table): Make the pointer be const.
(rich_location::m_have_expanded_location): Make mutable.
(rich_location::m_expanded_location): Likewise.
(fixit_hint::affects_line_p): Add const line_maps * param.
(linemap_client_expand_location_to_spelling_point): Likewise.
* line-map.cc (rich_location::get_expanded_location): Make const.
Pass m_line_table to
linemap_client_expand_location_to_spelling_point.
(rich_location::maybe_add_fixit): Likewise.
(fixit_hint::affects_line_p): Add set param and pass to
linemap_client_expand_location_to_spelling_point.
2023-11-07 Joseph Myers <joseph@codesourcery.com>
* directives.cc: Refer to C23 instead of C2X in diagnostics and

30
libgcc/ChangeLog
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2023-11-10 Keith Packard <keithp@keithp.com>
* config/m68k/lb1sf68.S (__adddf3): Properly check for non-zero denorm.
(__divdf3): Restore sign bit properly.
(__addsf3): Correct exponent check.
* config/m68k/fpgnulib.c (EXPMASK): Define.
(__extendsfdf2): Handle Inf and NaN properly.
(__truncdfsf2): Handle underflow and overflow correctly.
(__extenddfxf2): Handle underflow, denorms, Inf and NaN correctly.
(__truncxfdf2): Handle underflow and denorms correctly.
(__fixxfsi): Reimplement.
2023-11-09 Jakub Jelinek <jakub@redhat.com>
PR libgcc/65833
* config/t-softfp (softfp_bid_list): Add
{U,}TItype <-> _Decimal{32,64,128} conversions.
* soft-fp/floattisd.c: New file.
* soft-fp/floattidd.c: New file.
* soft-fp/floattitd.c: New file.
* soft-fp/floatuntisd.c: New file.
* soft-fp/floatuntidd.c: New file.
* soft-fp/floatuntitd.c: New file.
* soft-fp/fixsdti.c: New file.
* soft-fp/fixddti.c: New file.
* soft-fp/fixtdti.c: New file.
* soft-fp/fixunssdti.c: New file.
* soft-fp/fixunsddti.c: New file.
* soft-fp/fixunstdti.c: New file.
2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* offloadstuff.c (OFFLOAD_IND_FUNC_TABLE_SECTION_NAME): New.

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libgcc/config/avr/libf7/ChangeLog
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2023-11-14 Georg-Johann Lay <avr@gjlay.de>
* libf7-const.def [F7MOD_sinh_]: Add MiniMax polynomial.
* libf7.c (f7_sinh): Use it instead of (exp(x) - exp(-x)) / 2
when |x| < 0.5 to avoid loss of precision due to cancellation.
2023-11-12 Georg-Johann Lay <avr@gjlay.de>
* libf7-asm.sx (sqrt_approx): Rewrite.
* libf7.c (f7_sqrt): Use it instead of sqrt_worker.
(sqrt_worker): Remove.
2023-11-08 Georg-Johann Lay <avr@gjlay.de>
* libf7-asm.sx (mul_mant) [AVR_HAVE_MUL]: Tweak code.

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libgm2/ChangeLog
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2023-11-13 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/110779
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Remove newline.
* libm2cor/Makefile.in: Regenerate.
* libm2iso/Makefile.in: Regenerate.
* libm2log/Makefile.in: Regenerate.
* libm2min/Makefile.in: Regenerate.
* libm2pim/Makefile.in: Regenerate.
* acinclude.m4: New file.
* configure.host: New file.
2023-10-27 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/112110

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libgomp/ChangeLog
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2023-11-10 Tobias Burnus <tobias@codesourcery.com>
* libgomp.texi (OpenMP Impl. Status): Update for OpenMP TR12;
renamed section from TR11.
2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* config/linux/target-indirect.c: Move to...

8
libiberty/ChangeLog
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2023-11-10 Brendan Shanks <bshanks@codeweavers.com>
* configure.ac (AC_CHECK_HEADERS): Add spawn.h.
(checkfuncs): Add posix_spawn, posix_spawnp.
(AC_CHECK_FUNCS): Add posix_spawn, posix_spawnp.
* aclocal.m4, configure, config.in: Rebuild.
* pex-unix.c [HAVE_POSIX_SPAWN] (pex_unix_exec_child): New function.
2023-08-22 Jason Merrill <jason@redhat.com>
PR c++/109751

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libstdc++-v3/ChangeLog
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2023-11-13 Arsen Arsenović <arsen@aarsen.me>
* configure: Regenerate.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
* testsuite/std/time/clock/file/io.cc: Double timeout using
dg-timeout-factor.
* testsuite/std/time/clock/gps/io.cc: Likewise.
* testsuite/std/time/clock/local/io.cc: Likewise.
* testsuite/std/time/clock/system/io.cc: Likewise.
* testsuite/std/time/clock/tai/io.cc: Likewise.
* testsuite/std/time/clock/utc/io.cc: Likewise.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112480
* include/std/optional (_Optional_payload_base::_M_reset): Set
_M_engaged to false unconditionally.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112467
* include/bits/stl_bvector.h (_M_assume_normalized): Do not use
statement form of assume attribute for Clang.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view (operator==, operator<=>): Remove
redundant overloads (LWG 3950).
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/headers/complex.h/std_c++11.h: Moved to...
* testsuite/26_numerics/headers/complex.h/std_c++11.cc: ...here.
* testsuite/26_numerics/headers/complex.h/std_c++98.h: Moved to...
* testsuite/26_numerics/headers/complex.h/std_c++98.cc: ...here.
Check macro first and then #undef.
* testsuite/26_numerics/headers/complex.h/std_gnu++11.h: Moved to...
* testsuite/26_numerics/headers/complex.h/std_gnu++11.cc: ...here.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112473
* include/bits/utility.h (integer_sequence): Add static_assert.
* testsuite/20_util/integer_sequence/112473.cc: New test.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/pair/dangling_ref.cc: Add hosted effective
target for specifiers using c++17_down.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (atomic_is_lock_free)
(atomic_load_explicit, atomic_load, atomic_store_explicit)
(atomic_store, atomic_exchange_explicit, atomic_exchange)
(atomic_compare_exchange_strong, atomic_compare_exchange_weak)
(atomic_compare_exchange_strong_explicit)
(atomic_compare_exchange_weak_explicit): Add deprecated
attribute for C++20 and later.
* testsuite/20_util/shared_ptr/atomic/1.cc: Suppress deprecated
warnings.
* testsuite/20_util/shared_ptr/atomic/2.cc: Likewise.
* testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
* testsuite/29_atomics/atomic/lwg3220.cc: Likewise.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* include/bits/std_mutex.h (lock_guard): Add [[nodiscard]]
attribute to constructors.
* include/bits/unique_lock.h (unique_lock): Likewise.
* include/std/mutex (scoped_lock, scoped_lock<Mutex>): Likewise.
* testsuite/30_threads/lock_guard/cons/nodiscard.cc: New test.
* testsuite/30_threads/scoped_lock/cons/nodiscard.cc: New test.
* testsuite/30_threads/unique_lock/cons/nodiscard.cc: New test.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/span (span, as_bytes, as_writable_bytes): Add
[[nodiscard]] attribute on all non-void functions.
* testsuite/23_containers/span/back_assert_neg.cc: Suppress
nodiscard warning.
* testsuite/23_containers/span/back_neg.cc: Likewise.
* testsuite/23_containers/span/first_2_assert_neg.cc: Likewise.
* testsuite/23_containers/span/first_assert_neg.cc: Likewise.
* testsuite/23_containers/span/first_neg.cc: Likewise.
* testsuite/23_containers/span/front_assert_neg.cc: Likewise.
* testsuite/23_containers/span/front_neg.cc: Likewise.
* testsuite/23_containers/span/index_op_assert_neg.cc: Likewise.
* testsuite/23_containers/span/index_op_neg.cc: Likewise.
* testsuite/23_containers/span/last_2_assert_neg.cc: Likewise.
* testsuite/23_containers/span/last_assert_neg.cc: Likewise.
* testsuite/23_containers/span/last_neg.cc: Likewise.
* testsuite/23_containers/span/subspan_2_assert_neg.cc:
Likewise.
* testsuite/23_containers/span/subspan_3_assert_neg.cc:
Likewise.
* testsuite/23_containers/span/subspan_4_assert_neg.cc:
Likewise.
* testsuite/23_containers/span/subspan_5_assert_neg.cc:
Likewise.
* testsuite/23_containers/span/subspan_6_assert_neg.cc:
Likewise.
* testsuite/23_containers/span/subspan_assert_neg.cc: Likewise.
* testsuite/23_containers/span/subspan_neg.cc: Likewise.
* testsuite/23_containers/span/nodiscard.cc: New test.
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/111638
* config.h.in: Regenerate.
* configure: Regenerate.
* linkage.m4 (GLIBCXX_MAYBE_UNDERSCORED_FUNCS): Remove.
(GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1): Do not check for _foo.
(GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1): Likewise.
(GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2): Likewise.
(GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3): Likewise.
(GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2): Do not use
GLIBCXX_MAYBE_UNDERSCORED_FUNCS.
2023-11-11 Nathaniel Shead <nathanieloshead@gmail.com>
PR libstdc++/79700
* include/c_global/cmath (acosf, acosl, asinf, asinl, atanf)
(atanl, atan2f, atan2l, ceilf, ceill, cosf, cosl, coshf, coshl)
(expf, expl, fabsf, fabsl, floorf, floorl, fmodf, fmodl, frexpf)
(frexpl, ldexpf, ldexpl, logf, logl, log10f, log10l, modff)
(modfl, powf, powl, sinf, sinl, sinhf, sinhl, sqrtf, sqrtl, tanf)
(tanl, tanhf, tanhl): Add using-declarations in namespace std.
* testsuite/26_numerics/headers/cmath/equivalent_functions.cc:
New test.
* testsuite/26_numerics/headers/cmath/functions_std_c++17.cc:
Add checks for existence of above names.
2023-11-09 Arsen Arsenović <arsen@aarsen.me>
* testsuite/20_util/scoped_allocator/noexcept.cc: Mark as
requiring hosted.
2023-11-09 Arsen Arsenović <arsen@aarsen.me>
* include/bits/memoryfwd.h: Remove HOSTED check around allocator
and its specializations.
2023-11-09 Patrick Palka <ppalka@redhat.com>
PR libstdc++/112453
* include/std/ranges (__detail::__box<_Tp>::operator*): Define
&& overloads as well.
(__detail::__take_of_repeat_view): Forward __r when accessing
its _M_value member.
(__detail::__drop_of_repeat_view): Likewise.
* testsuite/std/ranges/repeat/1.cc (test07): New test.
2023-11-09 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h (_RehashStateGuard): New.
(_Insert_base<>::_M_insert_range(_IIt, _IIt, const _NodeGet&, false_type)):
Adapt.
* include/bits/hashtable.h (__rehash_guard_t): New.
(__rehash_state): Remove.
(_M_rehash): Remove.
(_M_rehash_aux): Rename into _M_rehash.
(_M_assign_elements, _M_insert_unique_node, _M_insert_multi_node): Adapt.
(rehash): Adapt.
2023-11-09 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h
(struct _NodePtrGuard<_HashtableAlloc, _NodePtr>): New.
(_ReuseAllocNode::operator()(_Args&&...)): Use latter to guard allocated node
pointer while constructing in place the value_type instance.
2023-11-09 Alexandre Oliva <oliva@adacore.com>
PR libstdc++/110807
* include/bits/stl_bvector.h (_Bit_iterator_base): Add
_M_assume_normalized member function. Call it in _M_bump_up,
_M_bump_down, _M_incr, operator==, operator<=>, operator<, and
operator-.
(_Bit_iterator): Also call it in operator*.
(_Bit_const_iterator): Likewise.
2023-11-07 François Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h

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maintainer-scripts/ChangeLog
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2023-11-14 Sam James <sam@gentoo.org>
* gcc_release: Cleanup whitespace.
2023-11-14 Sam James <sam@gentoo.org>
* gcc_release: Use HTTPS for links.
2023-07-07 Richard Biener <rguenther@suse.de>
* crontab: Remove entry for GCC 10.