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4
contrib/ChangeLog
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2023-12-20 Jason Merrill <jason@redhat.com>
* gcc-git-customization.sh: Add git gcc-style alias.
2023-12-14 Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Arthur Cohen <arthur.cohen@embecosm.com>

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2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/113087
* config/riscv/riscv-v.cc (expand_select_vl): Optimize SELECT_VL.
2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/113087
* config/riscv/riscv-vsetvl.cc: Disallow fusion when VL modification pollutes non AVL use.
2023-12-20 Rimvydas Jasinskas <rimvydas.jas@gmail.com>
* doc/invoke.texi: Document the new file extensions
2023-12-20 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/111702
* cse.cc (set::mode): Move earlier.
(set::src_in_memory, set::src_volatile): Convert to bitfields.
(set::is_fake_set): New member variable.
(add_to_set): Add an is_fake_set parameter.
(find_sets_in_insn): Update calls accordingly.
(cse_insn): Do not apply REG_EQUAL notes to fake sets. Do not
try to optimize them either, or validate changes to them.
2023-12-20 Kuan-Lin Chen <rufus@andestech.com>
* config/riscv/predicates.md (move_operand): Reject symbolic operands
with a type SYMBOL_FORCE_TO_MEM.
(call_insn_operand): Support for CM_Large.
(pcrel_symbol_operand): New.
* config/riscv/riscv-c.cc (riscv_cpu_cpp_builtins): Add builtin_define
"__riscv_cmodel_large".
* config/riscv/riscv-opts.h (riscv_code_model): Add CM_LARGE.
* config/riscv/riscv-protos.h (riscv_symbol_type): Add
SYMBOL_FORCE_TO_MEM.
* config/riscv/riscv.cc (riscv_classify_symbol) Support CM_LARGE model.
(riscv_symbol_insns) Add SYMBOL_FORCE_TO_MEM.
(riscv_cannot_force_const_mem): Ditto.
(riscv_split_symbol): Ditto.
(riscv_force_address): Check pseudo reg available before force_reg.
(riscv_size_ok_for_small_data_p): Disable in CM_LARGE model.
(riscv_can_use_per_function_literal_pools_p): New.
(riscv_elf_select_rtx_section): Handle per-function literal pools.
(riscv_output_mi_thunk): Add riscv_in_thunk_func.
(riscv_option_override): Support CM_LARGE model.
(riscv_function_ok_for_sibcall): Disable sibcalls in CM_LARGE model.
(riscv_in_thunk_func): New static.
* config/riscv/riscv.md (unspec): Define UNSPEC_FORCE_FOR_MEM.
(*large_load_address): New.
* config/riscv/riscv.opt (code_model): New.
2023-12-20 Wang Pengcheng <wangpengcheng.pp@bytedance.com>
* config/riscv/riscv.cc (riscv_macro_fusion_pair_p): Fix condition.
2023-12-20 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR target/112787
* tree-vect-generic.cc (type_for_widest_vector_mode): Change function to
use original vector type and check widest vector mode has at most the
same number of elements.
(get_compute_type): Pass original vector type rather than the element
type to type_for_widest_vector_mode and remove now obsolete check for
the number of elements.
2023-12-20 Siddhesh Poyarekar <siddhesh@gotplt.org>
* tree-object-size.cc (object_size_info): Remove UNKNOWNS.
Drop all references to it.
(object_sizes_set): Move unknowns propagation code to...
(gimplify_size_expressions): ... here. Also free reexamine
bitmap.
(propagate_unknowns): New parameter UNKNOWNS. Update callers.
2023-12-20 Thomas Schwinge <thomas@codesourcery.com>
* config/gcn/gcn.h (LIBSTDCXX): Define to "gcc".
2023-12-20 Richard Biener <rguenther@suse.de>
* tree-vect-slp.cc (vect_transform_slp_perm_load_1): Also handle
CTOR and VIEW_CONVERT up to the load when performing chain DCE.
2023-12-20 Xi Ruoyao <xry111@xry111.site>
* config/loongarch/loongarch.cc
(loongarch_expand_vector_init_same): Remove "temp2" and reuse
"temp" instead.
(loongarch_expand_vector_init): Use gcc_unreachable () instead
of gcc_assert (0), and fix the comment for it.
2023-12-20 Xi Ruoyao <xry111@xry111.site>
PR target/113033
* config/loongarch/loongarch.cc
(loongarch_expand_vector_init_same): Replace gen_reg_rtx +
emit_move_insn with force_reg.
(loongarch_expand_vector_init): Likewise.
2023-12-20 Xi Ruoyao <xry111@xry111.site>
PR target/113034
* config/loongarch/lasx.md (UNSPEC_LASX_XVFCMP_*): Remove.
(lasx_xvfcmp_caf_<flasxfmt>): Remove.
(lasx_xvfcmp_cune_<FLASX:flasxfmt>): Remove.
(FSC256_UNS): Remove.
(fsc256): Remove.
(lasx_xvfcmp_<vfcond:fcc>_<FLASX:flasxfmt>): Remove.
(lasx_xvfcmp_<fsc256>_<FLASX:flasxfmt>): Remove.
* config/loongarch/lsx.md (UNSPEC_LSX_XVFCMP_*): Remove.
(lsx_vfcmp_caf_<flsxfmt>): Remove.
(lsx_vfcmp_cune_<FLSX:flsxfmt>): Remove.
(vfcond): Remove.
(fcc): Remove.
(FSC_UNS): Remove.
(fsc): Remove.
(lsx_vfcmp_<vfcond:fcc>_<FLSX:flsxfmt>): Remove.
(lsx_vfcmp_<fsc>_<FLSX:flsxfmt>): Remove.
* config/loongarch/simd.md
(fcond_simd): New define_code_iterator.
(<simd_isa>_<x>vfcmp_<fcond:fcond_simd>_<simdfmt>):
New define_insn.
(fcond_simd_rev): New define_code_iterator.
(fcond_rev_asm): New define_code_attr.
(<simd_isa>_<x>vfcmp_<fcond:fcond_simd_rev>_<simdfmt>):
New define_insn.
(fcond_inv): New define_code_iterator.
(fcond_inv_rev): New define_code_iterator.
(fcond_inv_rev_asm): New define_code_attr.
(<simd_isa>_<x>vfcmp_<fcond_inv>_<simdfmt>): New define_insn.
(<simd_isa>_<x>vfcmp_<fcond_inv:fcond_inv_rev>_<simdfmt>):
New define_insn.
(UNSPEC_SIMD_FCMP_CAF, UNSPEC_SIMD_FCMP_SAF,
UNSPEC_SIMD_FCMP_SEQ, UNSPEC_SIMD_FCMP_SUN,
UNSPEC_SIMD_FCMP_SUEQ, UNSPEC_SIMD_FCMP_CNE,
UNSPEC_SIMD_FCMP_SOR, UNSPEC_SIMD_FCMP_SUNE): New unspecs.
(SIMD_FCMP): New define_int_iterator.
(fcond_unspec): New define_int_attr.
(<simd_isa>_<x>vfcmp_<fcond_unspec>_<simdfmt>): New define_insn.
* config/loongarch/loongarch.cc (loongarch_expand_lsx_cmp):
Remove unneeded special cases.
2023-12-20 demin.han <demin.han@starfivetech.com>
* config/riscv/riscv-vector-costs.cc (max_number_of_live_regs): Fix
max live vregs calc
(preferred_new_lmul_p): Ditto
2023-12-20 Jakub Jelinek <jakub@redhat.com>
PR target/112962
* config/i386/i386-builtins.cc (ix86_builtins): Increase by one
element.
(def_builtin): If not -fnon-call-exceptions, set TREE_NOTHROW on
the builtin FUNCTION_DECL. Add leaf attribute to DECL_ATTRIBUTES.
(ix86_add_new_builtins): Likewise.
2023-12-20 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/112941
* gimple-lower-bitint.cc (bitint_large_huge::handle_cast): If
save_cast_conditional, instead of adding assignment of t4 to
m_data[save_data_cnt + 1] before m_gsi, add phi nodes such that
t4 propagates to m_bb loop. For constant idx, use
m_data[save_data_cnt] rather than m_data[save_data_cnt + 1] if inside
of the m_bb loop.
(bitint_large_huge::lower_mergeable_stmt): Clear m_bb when no longer
expanding inside of that loop.
(bitint_large_huge::lower_comparison_stmt): Likewise.
(bitint_large_huge::lower_addsub_overflow): Likewise.
(bitint_large_huge::lower_mul_overflow): Likewise.
(bitint_large_huge::lower_bit_query): Likewise.
2023-12-20 Jakub Jelinek <jakub@redhat.com>
* doc/invoke.texi (-Walloc-size): Add to the list of
warning options, remove unnecessary line-break.
(-Wcalloc-transposed-args): Document new warning.
2023-12-20 Alex Coplan <alex.coplan@arm.com>
PR target/113062
* config/aarch64/aarch64-ldp-fusion.cc
(ldp_bb_info::track_access): Punt on accesses with invalid
register operands, move definition of mem_size closer to its
first use.
2023-12-20 Pan Li <pan2.li@intel.com>
* config/riscv/riscv-v.cc (rvv_builder::npatterns_vid_diff_repeated_p):
New function to predicate the diff to vid is repeated or not.
(expand_const_vector): Add restriction
for the vid-diff code gen and implement general one.
2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv.cc (riscv_legitimize_move): Fix ICE.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
PR middle-end/112917
* builtins.cc (expand_bultin_stack_address): Add
STACK_POINTER_OFFSET.
* doc/extend.texi (__builtin_stack_address): Adjust.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
PR rtl-optimization/113002
* cfgrtl.cc (commit_one_edge_insertion): Tolerate jumps in the
inserted sequence during expand.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
* builtins.cc (delta_type): New template class.
(set_apply_args_size, get_apply_args_size): Replace with...
(saved_apply_args_size): ... this.
(set_apply_result_size, get_apply_result_size): Replace with...
(saved_apply_result_size): ... this.
(apply_args_size, apply_result_size): Adjust.
2023-12-20 Jeff Law <jlaw@ventanamicro.com>
* config/mcore/mcore.h (CC1_SPEC): Do not set -funsigned-bitfields.
2023-12-20 Haochen Jiang <haochen.jiang@intel.com>
* config/i386/avx512bwintrin.h: Allow 64 bit mask intrin usage
for -mno-evex512.
* config/i386/i386-builtin.def: Remove OPTION_MASK_ISA2_EVEX512
for 64 bit mask builtins.
* config/i386/i386.cc (ix86_hard_regno_mode_ok): Allow 64 bit
mask register for -mno-evex512.
* config/i386/i386.md (SWI1248_AVX512BWDQ_64): Remove
TARGET_EVEX512.
(*zero_extendsidi2): Change isa attribute to avx512bw.
(kmov_isa): Ditto.
(*anddi_1): Ditto.
(*andn<mode>_1): Remove TARGET_EVEX512.
(*one_cmplsi2_1_zext): Change isa attribute to avx512bw.
(*ashl<mode>3_1): Ditto.
(*lshr<mode>3_1): Ditto.
* config/i386/sse.md (SWI1248_AVX512BWDQ): Remove TARGET_EVEX512.
(SWI1248_AVX512BW): Ditto.
(SWI1248_AVX512BWDQ2): Ditto.
(*knotsi_1_zext): Ditto.
(kunpckdi): Ditto.
(SWI24_MASK): Removed.
(vec_pack_trunc_<mode>): Change iterator from SWI24_MASK to SWI24.
(vec_unpacks_lo_di): Remove TARGET_EVEX512.
(SWI48x_MASK): Removed.
(vec_unpacks_hi_<mode>): Change iterator from SWI48x_MASK to SWI48x.
2023-12-20 Siddhesh Poyarekar <siddhesh@gotplt.org>
PR tree-optimization/113012
* tree-object-size.cc (compute_builtin_object_size): Expand
comment for dynamic object sizes.
(collect_object_sizes_for): Always set COMPUTED bitmap for
dynamic object sizes.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
* ipa-strub.cc (gsi_insert_finally_seq_after_call): Likewise.

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gcc/DATESTAMP
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20231220
20231221

13
gcc/c-family/ChangeLog
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2023-12-20 Florian Weimer <fweimer@redhat.com>
PR c/113050
* c-common.cc (get_atomic_generic_size): Use
OPT_Wdiscarded_qualifiers instead of
OPT_Wincompatible_pointer_types.
2023-12-20 Jakub Jelinek <jakub@redhat.com>
* c.opt (Wcalloc-transposed-args): New warning.
* c-common.h (warn_for_calloc, warn_for_alloc_size): Declare.
* c-warn.cc (warn_for_calloc, warn_for_alloc_size): New functions.
2023-12-16 Andrew Carlotti <andrew.carlotti@arm.com>
* c-attribs.cc (attr_target_exclusions): Make

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gcc/c/ChangeLog
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2023-12-20 Jakub Jelinek <jakub@redhat.com>
* c-parser.cc (c_parser_postfix_expression_after_primary): Grow
sizeof_arg and sizeof_arg_loc arrays to 6 elements. Call
warn_for_calloc if warn_calloc_transposed_args for functions with
alloc_size type attribute with 2 arguments.
(c_parser_expr_list): Use 6 instead of 3.
* c-typeck.cc (build_c_cast): Call warn_for_alloc_size for casts
of calls to functions with alloc_size type attribute.
(convert_for_assignment): Likewise.
2023-12-19 Sandra Loosemore <sandra@codesourcery.com>
* c-parser.cc (omp_construct_selectors): Delete.

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gcc/cp/ChangeLog
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2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/113088
PR c++/33799
* except.cc (maybe_splice_retval_cleanup): Handle an empty block.
2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/103185
* typeck.cc (cp_build_array_ref): Handle swapped operands.
2023-12-19 Patrick Palka <ppalka@redhat.com>
PR c++/113063

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gcc/fortran/ChangeLog
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2023-12-20 Rimvydas Jasinskas <rimvydas.jas@gmail.com>
PR fortran/81615
* lang-specs.h (F951_CPP_OPTIONS): Do not hardcode ".f90" extension
(F951_CPP_EXTENSION): Use .fi/.fii for fixed/free form sources
* options.cc (form_from_filename): Handle the new extensions
2023-12-19 Sandra Loosemore <sandra@codesourcery.com>
* gfortran.h: Include omp-selectors.h.

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gcc/testsuite/ChangeLog
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2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/113087
* gcc.target/riscv/rvv/autovec/pr113087-2.c: New test.
2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/113087
* gcc.target/riscv/rvv/autovec/pr113087-1.c: New test.
2023-12-20 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/111702
* gcc.dg/rtl/aarch64/pr111702.c: New test.
2023-12-20 Kuan-Lin Chen <rufus@andestech.com>
* gcc.target/riscv/large-model.c: New test.
2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/113088
PR c++/33799
* g++.dg/eh/return2.C: New test.
2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/103185
* g++.dg/cpp1z/array-prvalue2.C: New test.
* g++.dg/cpp1z/eval-order3.C: Test swapped operands.
2023-12-20 Andre Vieira <andre.simoesdiasvieira@arm.com>
* gcc.target/aarch64/pr112787.c: New test.
2023-12-20 Xi Ruoyao <xry111@xry111.site>
PR target/113033
* gcc.target/loongarch/pr113033.c: New test.
2023-12-20 Xi Ruoyao <xry111@xry111.site>
PR target/113034
* gcc.target/loongarch/vfcmp-f.c: New test.
* gcc.target/loongarch/vfcmp-d.c: New test.
* gcc.target/loongarch/xvfcmp-f.c: New test.
* gcc.target/loongarch/xvfcmp-d.c: New test.
* gcc.target/loongarch/vector/lasx/lasx-vcond-2.c: Scan for cune
instead of cne.
* gcc.target/loongarch/vector/lsx/lsx-vcond-2.c: Likewise.
2023-12-20 demin.han <demin.han@starfivetech.com>
* gcc.dg/vect/costmodel/riscv/rvv/dynamic-lmul2-7.c: Moved to...
* gcc.dg/vect/costmodel/riscv/rvv/dynamic-lmul4-10.c: ...here.
* gcc.dg/vect/costmodel/riscv/rvv/dynamic-lmul4-4.c: Moved to...
* gcc.dg/vect/costmodel/riscv/rvv/dynamic-lmul8-11.c: ...here.
2023-12-20 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/112941
* gcc.dg/bitint-55.c: New test.
2023-12-20 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/Walloc-size-4.c: New test.
* gcc.dg/Walloc-size-5.c: New test.
* gcc.dg/Wcalloc-transposed-args-1.c: New test.
2023-12-20 Alex Coplan <alex.coplan@arm.com>
PR target/113062
* gcc.dg/pr113062.c: New test.
2023-12-20 Pan Li <pan2.li@intel.com>
* gcc.target/riscv/rvv/autovec/bug-7.c: New test.
2023-12-20 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* gcc.target/riscv/rvv/autovec/bug-8.c: New test.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
PR rtl-optimization/113002
* gcc.dg/vect/pr113002.c: New.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
* gcc.dg/torture/inline-mem-cmp-1.c: Copy timeout factor from
mem-cmp-1.c.
* gcc.dg/torture/inline-mem-cpy-1.c: Likewise.
2023-12-20 Haochen Jiang <haochen.jiang@intel.com>
* gcc.target/i386/avx10_1-6.c: Remove check for errors.
* gcc.target/i386/noevex512-2.c: Diito.
2023-12-20 Siddhesh Poyarekar <siddhesh@gotplt.org>
PR tree-optimization/113012
* gcc.dg/ubsan/pr113012.c: New test case.
2023-12-19 Patrick Palka <ppalka@redhat.com>
PR c++/113063

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libgcc/ChangeLog
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2023-12-20 Alexandre Oliva <oliva@adacore.com>
PR middle-end/112917
* config.host (sparc, sparc64): Enable...
* config/sparc/t-sparc: ... this new fragment.
2023-12-20 Alexandre Oliva <oliva@adacore.com>
* strub.c (ATTRIBUTE_NOINLINE): New.

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libgomp/ChangeLog
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2023-12-20 Julian Brown <julian@codesourcery.com>
* plugin/plugin-nvptx.c (GOMP_OFFLOAD_memcpy2d): Adjust parameters to
avoid out-of-bounds array checks in CUDA runtime.
(GOMP_OFFLOAD_memcpy3d): Likewise.
* testsuite/libgomp.c-c++-common/memcpyxd-bias-1.c: New test.
2023-12-18 Jakub Jelinek <jakub@redhat.com>
* testsuite/libgomp.c/declare-variant-1.c: Restrict the test to x86,