[gcc r17-2962] Daily bump.
GCC Administrator via Gcc-cvs <[email protected]> Wed, 5 Aug 2026 00:17:22 +0000 (GMT)
| Newsgroups | gmane.comp.gcc.cvs |
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https://gcc.gnu.org/g:8264fa7542e20a5aabfbeb3229eac6b4ca671ea3 commit r17-2962-g8264fa7542e20a5aabfbeb3229eac6b4ca671ea3 Author: GCC Administrator <[email protected]> Date: Wed Aug 5 00:16:50 2026 +0000 Daily bump. Diff: --- ChangeLog | 13 + config/ChangeLog | 5 + contrib/ChangeLog | 6 + gcc/ChangeLog | 628 ++++++++++++++++++++++++++++++++++++++++++++++++ gcc/DATESTAMP | 2 +- gcc/analyzer/ChangeLog | 7 + gcc/cobol/ChangeLog | 5 + gcc/cp/ChangeLog | 8 + gcc/testsuite/ChangeLog | 220 +++++++++++++++++ 9 files changed, 893 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 227d84a4427d..17ccafc59c04 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2026-08-04 Kyrylo Tkachov <[email protected]> + + * Makefile.tpl ([+compare-target+]): Run object comparisons through an + invocation-specific parallel sub-make. Collect sorted failure shards + and clean temporary state on exit. + * Makefile.in: Regenerate. + * configure: Regenerate. + +2026-08-04 Jim Lin <[email protected]> + + * MAINTAINERS: Add myself. + * MAINTAINERS.yml: Regenerate. + 2026-07-25 Egas Ribeiro <[email protected]> * MAINTAINERS: Add myself. diff --git a/config/ChangeLog b/config/ChangeLog index c878c9548a1f..05be843e8caf 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,8 @@ +2026-08-04 Kyrylo Tkachov <[email protected]> + + * acx.m4 (ACX_PROG_CMP_IGNORE_INITIAL): Use process-specific temporary + files and clean them on exit. Diagnose tail failures as errors. + 2026-07-31 Pietro Monteiro <[email protected]> PR bootstrap/103459 diff --git a/contrib/ChangeLog b/contrib/ChangeLog index bc0d5dafba98..00ec26837905 100644 --- a/contrib/ChangeLog +++ b/contrib/ChangeLog @@ -1,3 +1,9 @@ +2026-08-04 Даниил Гусев <[email protected]> + + * download_prerequisites (base_url): Allow overriding via the + GCC_PREREQUISITES_BASE_URL environment variable. Document it + in --help output. + 2026-07-29 Torbjörn SVENSSON <[email protected]> * check_GNU_style_lib.py: Use visual tab size rather than diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c45c8a9de0f..fdb5f1bd5ffc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,631 @@ +2026-08-04 Robin Dapp <[email protected]> + + PR target/126550 + * config/riscv/riscv-v.cc (expand_const_vector_single_step_npatterns): + User global builder's npatterns. + +2026-08-04 Roger Sayle <[email protected]> + Richard Biener <[email protected]> + + PR tree-optimization/126242 + PR tree-optimization/126325 + * match.pd ((FTYPE) N CMP CST): Always attempt to initialize + value range information. Check undefined_p before using range + bounds. Check that icst_val hasn't overflowed, i.e. that + (FTYPE)ICST == CST, before transforming to integer comparison. + +2026-08-04 Andrea Pinski <[email protected]> + + PR tree-optimization/100173 + * fold-const.h (safe_operand_equal_p): New function. + * tree-ssa-phiopt.cc (factor_out_conditional_load): Add simple + support for TARGET_MEM_REF. + +2026-08-04 Philipp Tomsich <[email protected]> + + Revert: + 2026-08-04 Konstantinos Eleftheriou <[email protected]> + Philipp Tomsich <[email protected]> + + PR tree-optimization/107090 + * match.pd: Add atom match recognizers for long-multiply + (mul_hi, mul_lo, mul_hilo, mul_lolo, mul_hihi, mul_cross_sum, + mul_low_sum, mul_low_accum, mul_carry_cross_sum, + mul_carry_low_sum, mul_carry_low, mul_ladder_sum1, + mul_ladder_sum2, mul_ladder_sum3, mul_ladder_part_sum), the + cond_carry_add and cond_carry_add_neg recognizers for the 2-arg + PHI carry form, one per gcond polarity, and long_mul_high_chain + for the emitted chain shape. + * tree-ssa-forwprop.cc (gimple_cond_carry_add): Declare. + (gimple_cond_carry_add_neg): Likewise. + (gimple_mul_hi): Likewise. + (gimple_mul_lo): Likewise. + (gimple_mul_hilo): Likewise. + (gimple_mul_lolo): Likewise. + (gimple_mul_hihi): Likewise. + (gimple_mul_cross_sum): Likewise. + (gimple_mul_low_sum): Likewise. + (gimple_mul_low_accum): Likewise. + (gimple_mul_carry_cross_sum): Likewise. + (gimple_mul_carry_low_sum): Likewise. + (gimple_mul_carry_low): Likewise. + (gimple_mul_ladder_sum1): Likewise. + (gimple_mul_ladder_sum2): Likewise. + (gimple_mul_ladder_sum3): Likewise. + (gimple_mul_ladder_part_sum): Likewise. + (build_mul_high_seq): New, emits (N)(((2N) op1 * (2N) op2) >> N) + into a caller-supplied destination. + (long_mul_apply_extras): New, combines the preserved addends back + on top of the folded multiply. + (create_mul_high_seq): New, replaces the statement with the + high-part multiply plus any extras. + (create_mul_low_seq): New, likewise for the low part. + (enum long_mul_kind): New. + (enum long_mul_extract): New. + (struct long_mul_summand): New. + (long_mul_linearize_chain): New, walks the outer add/ior chain + into a multiset of leaves. + (long_mul_is_lshift_def): New. + (long_mul_set_summand): New. + (long_mul_classify_carry): New, most-specific carry atom first. + (long_mul_classify_plus_kinds): New, likewise by specificity. + (long_mul_classify_hi_extract): New. + (long_mul_classify_lo_extract): New. + (long_mul_classify_shl_extract): New. + (long_mul_classify_bare): New. + (long_mul_classify_summand): New, classify a summand via the + match.pd atoms. + (long_mul_summand_compare): New. + (struct long_mul_row): New. + (long_mul_same_ops): New. + (long_mul_is_cross_half): New. + (long_mul_hilo_orientation): New, orientation of a mul_hilo + capture relative to (op0, op1). + (long_mul_canonical_ops): New. + (long_mul_find_summand): New. + (long_mul_check_consistency): New, cross-summand consistency + check (operand pairing, half-width shifts, hilo cross-half). + (long_mul_signature_matches): New. + (long_mul_check_two_carries): New extra check, validates the + two-carry row's carry operands against the canonical (op0, op1). + (long_mul_check_low_plus_defer): New extra check, defers the + low-plus row while a GT/LT/GE/LE use shares an operand with the + PLUS. + (long_mul_hint_shared_intermediate): New, dump-file hint pointing + at a shared inner addition. + (long_mul_classify_match): New, looks a summand multiset up in + long_mul_table, runs the per-row checks, and gates the high-part + emit on optimize_widening_mul_active_p. + (long_mul_classify_chain): New, linearize plus classify plus + table lookup; sets aside leaves that classify as no summand and + takes an optional pre-classified summand. + (match_long_mul): New, top-level entry: starts only at a chain + end and dispatches to create_mul_high_seq / create_mul_low_seq + with any preserved addends. + (match_long_mul_phi): New PHI-driven entry, recognizes a + cond_carry_add(_neg) PHI and folds the long-multiply shape when + the rest of the high-part chain matches. + (pass_forwprop::execute): Call match_long_mul on PLUS_EXPR and + BIT_IOR_EXPR statements, and match_long_mul_phi on each PHI in + the degenerate-PHI walk. + * tree-ssa-math-opts.cc (can_widen_to_narrow_p): New. + (build_long_mul_partials): New, emits the four partial products + using widening or plain multiplies. + (emit_long_mul_highpart): New, the high N bits of an N-bit + product, as a longhand over (N/2)-bit partials. + (combine_long_mul_halves): New, the high N bits of a product of + two 2N-bit values given as N-bit halves. + (long_mul_op_fits_p): New, true when an operand is provably + representable in narrow_prec unsigned bits. + (long_mul_split_operand): New, splits an operand into N-bit + halves using only N-bit operations. + (long_mul_only_low_half_used_p): New. + (narrow_long_mul_low_half): New, narrow a 2N low-half-only mult + the target cannot expand to an N-bit mult. + (narrow_long_mul_operands): New, recurse into chained wide + products after a narrowing/lowering. + (gimple_long_mul_high_chain): Declare. + (lower_long_mul_high_chain): New, lowers the high-part chain to a + longhand at narrow precision, splitting each operand into N-bit + halves and combining them, then narrowing or dropping the + residual 2N mult via the helpers. + (optimize_widening_mul_active_p): New, shared gate used by + pass_optimize_widening_mul::gate and by the forwprop long-multiply + recognizer. Return false when optimize_debug. + (math_opts_dom_walker::after_dom_children): Dispatch to + lower_long_mul_high_chain on the outer convert. Run + narrow_long_mul_low_half on MULT_EXPR before the widen/fma + conversion attempts. + * tree-ssa-math-opts.h (optimize_widening_mul_active_p): Declare. + +2026-08-04 Konstantinos Eleftheriou <[email protected]> + Philipp Tomsich <[email protected]> + + PR tree-optimization/107090 + * match.pd: Add atom match recognizers for long-multiply + (mul_hi, mul_lo, mul_hilo, mul_lolo, mul_hihi, mul_cross_sum, + mul_low_sum, mul_low_accum, mul_carry_cross_sum, + mul_carry_low_sum, mul_carry_low, mul_ladder_sum1, + mul_ladder_sum2, mul_ladder_sum3, mul_ladder_part_sum), the + cond_carry_add and cond_carry_add_neg recognizers for the 2-arg + PHI carry form, one per gcond polarity, and long_mul_high_chain + for the emitted chain shape. + * tree-ssa-forwprop.cc (gimple_cond_carry_add): Declare. + (gimple_cond_carry_add_neg): Likewise. + (gimple_mul_hi): Likewise. + (gimple_mul_lo): Likewise. + (gimple_mul_hilo): Likewise. + (gimple_mul_lolo): Likewise. + (gimple_mul_hihi): Likewise. + (gimple_mul_cross_sum): Likewise. + (gimple_mul_low_sum): Likewise. + (gimple_mul_low_accum): Likewise. + (gimple_mul_carry_cross_sum): Likewise. + (gimple_mul_carry_low_sum): Likewise. + (gimple_mul_carry_low): Likewise. + (gimple_mul_ladder_sum1): Likewise. + (gimple_mul_ladder_sum2): Likewise. + (gimple_mul_ladder_sum3): Likewise. + (gimple_mul_ladder_part_sum): Likewise. + (build_mul_high_seq): New, emits (N)(((2N) op1 * (2N) op2) >> N) + into a caller-supplied destination. + (long_mul_apply_extras): New, combines the preserved addends back + on top of the folded multiply. + (create_mul_high_seq): New, replaces the statement with the + high-part multiply plus any extras. + (create_mul_low_seq): New, likewise for the low part. + (enum long_mul_kind): New. + (enum long_mul_extract): New. + (struct long_mul_summand): New. + (long_mul_linearize_chain): New, walks the outer add/ior chain + into a multiset of leaves. + (long_mul_is_lshift_def): New. + (long_mul_set_summand): New. + (long_mul_classify_carry): New, most-specific carry atom first. + (long_mul_classify_plus_kinds): New, likewise by specificity. + (long_mul_classify_hi_extract): New. + (long_mul_classify_lo_extract): New. + (long_mul_classify_shl_extract): New. + (long_mul_classify_bare): New. + (long_mul_classify_summand): New, classify a summand via the + match.pd atoms. + (long_mul_summand_compare): New. + (struct long_mul_row): New. + (long_mul_same_ops): New. + (long_mul_is_cross_half): New. + (long_mul_hilo_orientation): New, orientation of a mul_hilo + capture relative to (op0, op1). + (long_mul_canonical_ops): New. + (long_mul_find_summand): New. + (long_mul_check_consistency): New, cross-summand consistency + check (operand pairing, half-width shifts, hilo cross-half). + (long_mul_signature_matches): New. + (long_mul_check_two_carries): New extra check, validates the + two-carry row's carry operands against the canonical (op0, op1). + (long_mul_check_low_plus_defer): New extra check, defers the + low-plus row while a GT/LT/GE/LE use shares an operand with the + PLUS. + (long_mul_hint_shared_intermediate): New, dump-file hint pointing + at a shared inner addition. + (long_mul_classify_match): New, looks a summand multiset up in + long_mul_table, runs the per-row checks, and gates the high-part + emit on optimize_widening_mul_active_p. + (long_mul_classify_chain): New, linearize plus classify plus + table lookup; sets aside leaves that classify as no summand and + takes an optional pre-classified summand. + (match_long_mul): New, top-level entry: starts only at a chain + end and dispatches to create_mul_high_seq / create_mul_low_seq + with any preserved addends. + (match_long_mul_phi): New PHI-driven entry, recognizes a + cond_carry_add(_neg) PHI and folds the long-multiply shape when + the rest of the high-part chain matches. + (pass_forwprop::execute): Call match_long_mul on PLUS_EXPR and + BIT_IOR_EXPR statements, and match_long_mul_phi on each PHI in + the degenerate-PHI walk. + * tree-ssa-math-opts.cc (can_widen_to_narrow_p): New. + (build_long_mul_partials): New, emits the four partial products + using widening or plain multiplies. + (emit_long_mul_highpart): New, the high N bits of an N-bit + product, as a longhand over (N/2)-bit partials. + (combine_long_mul_halves): New, the high N bits of a product of + two 2N-bit values given as N-bit halves. + (long_mul_op_fits_p): New, true when an operand is provably + representable in narrow_prec unsigned bits. + (long_mul_split_operand): New, splits an operand into N-bit + halves using only N-bit operations. + (long_mul_only_low_half_used_p): New. + (narrow_long_mul_low_half): New, narrow a 2N low-half-only mult + the target cannot expand to an N-bit mult. + (narrow_long_mul_operands): New, recurse into chained wide + products after a narrowing/lowering. + (gimple_long_mul_high_chain): Declare. + (lower_long_mul_high_chain): New, lowers the high-part chain to a + longhand at narrow precision, splitting each operand into N-bit + halves and combining them, then narrowing or dropping the + residual 2N mult via the helpers. + (optimize_widening_mul_active_p): New, shared gate used by + pass_optimize_widening_mul::gate and by the forwprop long-multiply + recognizer. Return false when optimize_debug. + (math_opts_dom_walker::after_dom_children): Dispatch to + lower_long_mul_high_chain on the outer convert. Run + narrow_long_mul_low_half on MULT_EXPR before the widen/fma + conversion attempts. + * tree-ssa-math-opts.h (optimize_widening_mul_active_p): Declare. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * match.pd (((X + C1) & LOWMASK) ==/!= C2): New simplification. + ((X & HIGHMASK) >/<= C): Likewise. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126593 + * tree-vect-slp-patterns.cc (compatible_complex_nodes_p): Check def + stmts of real and imag pairs. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126301 + * tree-vect-loop-manip.cc (vect_use_loop_latch_condition_p): New. + (vect_set_loop_condition_partial_vectors, vect_set_loop_condition): Use + it to rewrite latch and condition. + (vect_set_loop_controls_directly): Adjust IV for do-loop conversion. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126592 + * tree-vect-slp-patterns.cc (is_linear_load_p): Rewrite using + vec_perm_indices. + +2026-08-04 Tamar Christina <[email protected]> + + PR target/126589 + * config/aarch64/aarch64-simd.md (cmul<conj_op><mode>3): Require not + honor signed zeros. + * config/aarch64/aarch64-sve.md (cmul<conj_op><mode>3): Require not + honor signed zeros. + +2026-08-04 Tamar Christina <[email protected]> + + PR target/126589 + * tree-vect-slp-patterns.cc (vect_validate_multiplication): Refactor. + (vect_validate_multiplication_commutative): New. + (complex_mul_pattern::matches, complex_fms_pattern::matches): Use it. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126602 + * match.pd: Fix constraints. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-acle-builtins.h (map_to_rtx_codes): Make + arguments default to `UNSPEC_NONE`. + (map_to_unspecs): Likewise. + * config/aarch64/aarch64-sve-builtins-functions.h + (unspec_based_function_base): Make arguments default to + `UNSPEC_NONE`. + (sme_1mode_function): Likewise. + (integer_conversion): Likewise. + (reduction): Likewise. + * config/aarch64/aarch64-sve-builtins-base.cc (svbic_impl): + Delete unnecessary `UNSPEC_NONE` arguments. + (svcmla_impl): Likewise. + (svnot_impl): Likewise. + (svsub_impl): Likewise. + * config/aarch64/aarch64-sve-builtins-sme.cc (svadd_write_za): Likewise. + (svaddha_za): Likewise. + (svbmopa_za): Likewise. + (svbmops_za): Likewise. + (svsudot_lane_za): Likewise. + (svsuvdot_lane_za): Likewise. + (svsumopa_za): Likewise. + (svsumops_za): Likewise. + (svusdot_za): Likewise. + (svusdot_lane_za): Likewise. + (svusbdot_lane_za): Likewise. + (svusmopa_za): Likewise. + (svusmops_za): Likewise. + * config/aarch64/aarch64-sve-builtins-sve2.cc (svqcadd_impl): Likewise. + (svqrshl_impl): Likewise. + (svqshl_impl): Likewise. + (svrshl_impl): Likewise. + (svuqadd_impl): Likewise. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-builtins.cc (struct + aarch64_pragma_builtins_data): Change type to `unspec`. + (aarch64_get_low_unspec): Likewise. + (aarch64_expand_fpsr_fpcr_setter): Likewise. + (aarch64_expand_tbl_tbx): Add `default` case to `switch` statement to silence warning. + * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla): Change type to `unspec`. + (unspec_fcmla): Likewise. + (unspec_cond_fcmla): Likewise. + (expand_mla_mls_lane): Likewise. + (svac_impl): Likewise. + (svbrk_binary_impl): Likewise. + (svbrk_unary_impl): Likewise. + (svclast_impl): Likewise. + (svcmla_impl): Likewise. + (svcmp_impl): Likewise. + (svcmp_wide_impl): Likewise. + (svcvt_impl): Likewise. + (svlast_impl): Likewise. + (svldxf1_impl): Likewise. + (svldxf1_extend_impl): Likewise. + (svnot_impl): Likewise. + (svpfirst_svpnext_impl): Likewise. + (svrint_impl): Likewise. + (svsel_impl): Likewise. + (svwhilelx_impl): Likewise. + * config/aarch64/aarch64-sve-builtins-functions.h(rtx_code_function_base): Likewise. + * config/aarch64/aarch64-sve-builtins-sme.cc (expand_ld1_st1): Likewise. + * config/aarch64/aarch64-sve-builtins-sve2.cc (expand_ld1_st1): Likewise. + * config/aarch64/aarch64-acle-builtins.cc (function_expander::map_to_rtx_codes): Likewise. + (function_expander::map_to_unspecs): Likewise. + * config/aarch64/aarch64-acle-builtins.h: Likewise. + * config/aarch64/aarch64.cc (aarch64_replace_reg_mode): Likewise. + (aarch64_split_sve_subreg_move): Likewise. + (aarch_pac_insn_p): Likewise. + (aarch64_evpc_hvla): Likewise. + * config/aarch64/aarch64.md: Add `UNSPEC_NONE` enum member. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-builtins.h (enum aarch64_type_qualifiers): Use shifts. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-acle-builtins.cc (VECTOR_TYPE_none): + Delete preprocessor macro. + * config/aarch64/aarch64-acle-builtins.h (VECTOR_TYPE_none): Add + enum member. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-builtins.cc (DEF_SIMD_TYPE): Reformat. + * config/aarch64/aarch64-acle-builtins.cc (vector_types): Likewise. + (mode_suffixes): Likewise. + (group_suffixes): Likewise. + (function_groups): Likewise. + (neon_sve_function_groups): Likewise. + (sme_function_groups): Likewise. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-builtins.h (DEF_SIMD_TYPE): Use + variadic arguments. + * config/aarch64/aarch64-acle-builtins.h (DEF_SVE_TYPE): Likewise. + (DEF_SVE_MODE): Likewise. + (DEF_SVE_NEON_TYPE_SUFFIX): Likewise. + (DEF_SME_ZA_SUFFIX): Likewise. + (DEF_SVE_GROUP_SUFFIX): Likewise. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-sve-builtins.def (DEF_SVE_TYPE_SUFFIX): Define + in terms of `DEF_SVE_NEON_TYPE_SUFFIX`. + * config/aarch64/aarch64-acle-builtins.cc (DEF_SVE_TYPE_SUFFIX): Delete + since it is now defined in terms of `DEF_SVE_NEON_TYPE_SUFFIX`. + (DEF_SVE_NEON_TYPE_SUFFIX): Move to be next to `DEF_SVE_TYPE_SUFFIX`. + * config/aarch64/aarch64-acle-builtins.h (DEF_SVE_TYPE_SUFFIX): Rename to ... + (DEF_SVE_NEON_TYPE_SUFFIX): ... here. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-neon-sve-bridge-builtins.def (DEF_NEON_SVE_FUNCTION): Document. + * config/aarch64/aarch64-simd-builtin-types.def (DEF_SIMD_TYPE): Likewise. + * config/aarch64/aarch64-sve-builtins-base.def (DEF_SVE_FUNCTION_GS_FPM): Likewise. + (DEF_SVE_FUNCTION_GS): Likewise. + (DEF_SVE_FUNCTION): Likewise. + * config/aarch64/aarch64-sve-builtins-sme.def (DEF_SME_FUNCTION): Likewise. + (DEF_SME_FUNCTION_GS): Likewise. + (DEF_SME_ZA_FUNCTION_GS): Likewise. + (DEF_SME_ZA_FUNCTION): Likewise. + * config/aarch64/aarch64-sve-builtins.def (DEF_SVE_MODE): Likewise. + (DEF_SVE_TYPE): Likewise. + (DEF_SVE_TYPE_SUFFIX): Likewise. + (DEF_SME_ZA_SUFFIX): Likewise. + (DEF_SVE_GROUP_SUFFIX): Likewise. + (DEF_SVE_FUNCTION_GS_FPM): Likewise. + (DEF_SVE_FUNCTION_GS): Likewise. + (DEF_SVE_NEON_TYPE_SUFFIX): Likewise. + (DEF_SVE_FUNCTION): Likewise. + +2026-08-04 Karl Meakin <[email protected]> + + * config/aarch64/aarch64-builtins.cc (ENTRY): Rename to ... + (DEF_SIMD_TYPE): Here. + * config/aarch64/aarch64-builtins.h (ENTRY): Likewise. + (DEF_SIMD_TYPE): Likewise. + * config/aarch64/aarch64-simd-builtin-types.def (ENTRY): Likewise. + (DEF_SIMD_TYPE): Likewise. + * config/aarch64/aarch64-acle-builtins.h (ENTRY): Likewise. + (DEF_SIMD_TYPE): Likewise. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126369 + * tree-vect-data-refs.cc (vect_enhance_data_refs_alignment): Move + DR_SCALAR_KNOWN_BOUNDS safe speculation check. + +2026-08-04 Aleksa Paunovic <[email protected]> + + * config/riscv/riscv.cc (riscv_subword_address): Add emit_move_insn for big-endian. + +2026-08-04 Shreya Munnangi <[email protected]> + + PR target/108031 + * config/riscv/predicates.md (riscv_atomic_memory_operand): New + predicate. + * config/riscv/sync.md (<atomic_optab><mode> pattern and expander): + Use riscv_atomic_memory_operand. + (amo_atomic_<atomic_optab><mode>): Likewise. + (lrsc_atomic_<atomic_optab><mode>): Likewise. + (atomic_fetch_<atomic_optab><mode): Likewise. + (amo_atomic_fetch_<atomic_optab><mode>): Likewise. + (lrsc_atomic_fetch_<atomic_optab><mode>): Likewise. + (subword_atomic_fetch_strong_<atomic_optab>): Likewise. + (atomic_fetch_nand<mode>): Likewise. + (subword_atomic_fetch_strong_nand): Likewise. + (zabha_atomic_fetch_<atomic_optab><mode>): Likewise. + (lrsc_atomic_fetch_<atomic_optab><mode>): Likewise. + (atomic_exchange<mode>): Likewise. + (amo_atomic_exchange<mode>): Likewise. + (amo_atomic_exchange<mode>_extended): Likewise. + (lrsc_atomic_exchange<mode>): Likewise. + (subword_atomic_exchange_strong): Likewise. + (zacas_atomic_cas_value_strong<mode>): Likewise. + (zalrsc_atomic_cas_value_strong<mode>): Likewise. + (subword_atomic_cas_strong): Likewise. + (atomic_test_and_set): Likewise. + +2026-08-04 Richard Earnshaw <[email protected]> + + PR target/124043 + * config/arm/vfp.md (thumb2_movsi_vfp): Don't hide the t->r + alternative from register preferencing. + +2026-08-04 Richard Earnshaw <[email protected]> + + * config/arm/neon.md (neon_vdup_lane<VDQW:mode>_internal): + Handle core registers as the input vector operand by splitting. + (neon_vdup_lane<VHFBF:mode>_internal): Likewise. + (neon_vdupq_lane<VQ2BF:mode>_internal): New pattern. + +2026-08-04 Aldy Hernandez <[email protected]> + + * range-op-float.cc (float_widen_lhs_range): Convert to + sub-ranges. + (range_op_float_tests): New test. + +2026-08-04 Aldy Hernandez <[email protected]> + + * range-op-float.cc (float_widen_bound): New, factored out of... + (float_widen_lhs_range): ...here. + +2026-08-04 Egas Ribeiro <[email protected]> + + PR analyzer/119697 + * langhooks.h (struct lang_hooks): Add exception_matches_type_p. + * langhooks-def.h (LANG_HOOKS_EH_MAY_CATCH_P): Define as + hook_bool_tree_tree_false. + (LANG_HOOKS_INITIALIZER): Add it. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126601 + * tree-ssa-math-opts.cc (maybe_optimize_guarding_check): Use safe_push + on mul_stmts rather than quick_push. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126564 + * tree-ssa-phiopt.cc (spaceship_replacement): Fix up condition + when to punt because of redundant cmp1 with cmp2, xor in + lhs1 == lhs2 with difference of cmp2 from cmp1 (ignoring + LT_EXPR vs. LE_EXPR and GT_EXPR vs. GE_EXPR differences) and + 1 if cond2_phi_edge is EDGE_FALSE_VALUE. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126549 + * range-op-float.cc (operator_cast::fold_range): Don't call + frange_drop_infs. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + PR middle-end/116815 + * config/aarch64/aarch64.md + (*aarch64_plus_within_<optab><mode>3_<ovf_commutate>): Add a + clobber of CC_REGNUM. + (*aarch64_minus_within_<optab><mode>3): Likewise. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * sched-int.h (struct deps_desc): Add pending_barriers. Update the + reg_last_dirty description. + (deps_reg_last): Declare. + * sched-deps.cc: Include selftest-rtl.h. + (deps_reg_last): New. + (sched_analyze_insn): Materialize pending barriers when required. + Use the lazy barrier form before reload outside selective scheduling. + Reconcile reg_last_dirty entries at barriers. + (init_deps): Initialize pending_barriers. + (free_deps): Release pending_barriers. + (selftest::observed_barrier_deps): New. + (selftest::observe_barrier_dependence): New. + (selftest::assert_insn_list): New. + (selftest::test_full_lazy_barrier): New. + (selftest::test_sparse_lazy_barrier): New. + (selftest::test_lazy_barrier_join): New. + (selftest::test_lazy_barriers): New. + (selftest::sched_deps_cc_tests): Run the lazy-barrier tests. + * sched-rgn.cc (deps_join): Combine pending and materialized barrier + state. + * sel-sched-ir.cc (has_dependence_p): Assert that selective + scheduling has no pending barriers. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * sched-deps.cc (reg_last_pool, reg_last_pool_max_reg): New. + (alloc_reg_last, release_reg_last): New. + (init_deps, init_deps_reg_last): Use alloc_reg_last. + (free_deps): Reset the list length fields and release reg_last to the + pool. + (sched_deps_finish): Release the pooled arrays. + (selftest::test_reg_last_pool): New. + (selftest::sched_deps_cc_tests): Run it. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * sched-int.h (struct deps_desc): Add reg_last_dirty. + * sched-deps.cc: Include selftest.h. + (sched_analyze_insn): Record debug-insn uses and control uses in + reg_last_dirty. + (init_deps): Initialize reg_last_dirty. + (free_deps): Merge reg_last_dirty into reg_last_in_use for teardown, + then clear it. + (selftest::test_dirty_reg_last_release): New. + (selftest::sched_deps_cc_tests): New. Provide an empty definition + when INSN_SCHEDULING is not defined. + * selftest-run-tests.cc (selftest::run_tests): Call + sched_deps_cc_tests. + * selftest.h (selftest::sched_deps_cc_tests): Declare. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * sched-deps.cc (sched_deps_finish): Reset cache_size after clearing + and freeing the dependency caches. + +2026-08-04 H.J. Lu <[email protected]> + + PR target/126320 + PR target/126450 + PR target/126529 + * config/i386/i386.cc (ix86_spill_register_argument_p): Removed. + (ix86_argument_passed_on_stack_p): Remove the second argument. + Return true if the argument's DECL_INCOMING_RTL is a memory + operand. + (ix86_update_stack_alignment): Updated. + +2026-08-04 Jin Ma <[email protected]> + + * config/riscv/riscv-sr.cc (riscv_sr_match_epilogue): Accept + SP-only stack ties. + * config/riscv/riscv.cc (riscv_emit_stack_tie): Use parameterized + generators and emit SP-only ties. + (riscv_expand_epilogue): Use SP ties without a frame pointer. + * config/riscv/riscv.md (@stack_tie<mode>): Use a parameterized name. + (@stack_tie_sp<mode>): New pattern. + +2026-08-04 Avinal Kumar <[email protected]> + + PR tree-optimization/101650 + * match.pd: Simplify (A | C) == A to (A & C) != 0 when C is + power of 2. + 2026-08-03 Jeff Law <[email protected]> * config/msp430/msp430.cc (msp430_insn_cost): Handle insns with diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP index 509e118b6738..abc8f80bb9fa 100644 --- a/gcc/DATESTAMP +++ b/gcc/DATESTAMP @@ -1 +1 @@ -20260804 +20260805 diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog index e58fff7f4f64..1a2fb1f1a89c 100644 --- a/gcc/analyzer/ChangeLog +++ b/gcc/analyzer/ChangeLog @@ -1,3 +1,10 @@ +2026-08-04 Egas Ribeiro <[email protected]> + + PR analyzer/119697 + * ops.cc: Include "langhooks.h". + (exception_matches_type_p): Use the exception_matches_type_p + langhook; fix catch/exception argument order. + 2026-07-28 Egas Ribeiro <[email protected]> PR analyzer/97114 diff --git a/gcc/cobol/ChangeLog b/gcc/cobol/ChangeLog index de1a06ec2f3d..37c6841bd5e6 100644 --- a/gcc/cobol/ChangeLog +++ b/gcc/cobol/ChangeLog @@ -1,3 +1,8 @@ +2026-08-04 Jakub Jelinek <[email protected]> + + * parse.y (selected_name): Use %<-dialect ibm%> instead of just + -dialect ibm. + 2026-08-03 James K. Lowden <[email protected]> * lexio.cc (skip_quoted_literal): New function. diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index d805f8bb4bdb..49578de021df 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,11 @@ +2026-08-04 Egas Ribeiro <[email protected]> + + PR analyzer/119697 + * except.cc (can_convert_eh): Make non-static. + * cp-tree.h (can_convert_eh): Declare. + * cp-lang.cc (LANG_HOOKS_EH_MAY_CATCH_P): Define as + can_convert_eh. + 2026-08-03 EienMiku <[email protected]> * reflect.cc (get_reflection): Add missing "to" in diagnostic. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index df9d4a414c9f..77ad254acff7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,223 @@ +2026-08-04 Robin Dapp <[email protected]> + + PR target/126550 + * gcc.target/riscv/rvv/autovec/pr126550-2.c: New test. + * gcc.target/riscv/rvv/autovec/pr126550.c: New test. + +2026-08-04 Roger Sayle <[email protected]> + Richard Biener <[email protected]> + + PR tree-optimization/126242 + PR tree-optimization/126325 + * gcc.dg/pr126325.c: New test case. + * gfortran.dg/pr126242.f90: New reduced test case. + * gfortran.dg/pr41928-2.f90: Also compile pr41928.f90 with -Ofast. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126464 + * gcc.dg/pr126464.c: Guard uses of 1e300 with + __DBL_MAX_10_EXP__ >= 301 and uses of 1e4000L with + __LDBL_MAX_10_EXP__ >= 4001. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR target/124948 + * gcc.dg/torture/bitint-100.c: Require also sync_int_long effective + target. + +2026-08-04 Andrea Pinski <[email protected]> + + PR tree-optimization/100173 + * gcc.dg/tree-ssa/factor_op_phi-load-target_mem-1.c: New test. + +2026-08-04 Philipp Tomsich <[email protected]> + + Revert: + 2026-08-04 Konstantinos Eleftheriou <[email protected]> + Philipp Tomsich <[email protected]> + + PR tree-optimization/107090 + * lib/target-supports.exp: Add check_effective_target_oi_mode, + which enumerates targets whose mode table declares OImode. + * gcc.dg/long-mul-128-Og.c: New test. + * gcc.dg/torture/long-mul-128.c: New test. + * gcc.dg/torture/long-mul-64-run.c: New test. + * gcc.dg/tree-ssa/long-mul-boundary-64.c: New test. + * gcc.dg/tree-ssa/long-mul-boundary.c: New test. + * gcc.dg/tree-ssa/long-mul-carry.c: New test. + * gcc.dg/tree-ssa/long-mul-chain-cse-128.c: New test. + * gcc.dg/tree-ssa/long-mul-chain-trunc-128.c: New test. + * gcc.dg/tree-ssa/long-mul-extra-addend.c: New test. + * gcc.dg/tree-ssa/long-mul-ladder.c: New test. + * gcc.dg/tree-ssa/long-mul-low-plus.c: New test. + * gcc.dg/tree-ssa/long-mul-partial.c: New test. + * gcc.dg/tree-ssa/long-mul-two-carry.c: New test. + * gcc.target/aarch64/long_mul.c: New test. + * gcc.target/arm/long-mul-thumb1-inline.c: New test. + * gcc.target/arm/long-mul-umull.c: New test. + * gcc.target/i386/long_mul.c: New test. + * gcc.target/i386/widen_mult_high_chain.c: New test. + +2026-08-04 Konstantinos Eleftheriou <[email protected]> + Philipp Tomsich <[email protected]> + + PR tree-optimization/107090 + * lib/target-supports.exp: Add check_effective_target_oi_mode, + which enumerates targets whose mode table declares OImode. + * gcc.dg/long-mul-128-Og.c: New test. + * gcc.dg/torture/long-mul-128.c: New test. + * gcc.dg/torture/long-mul-64-run.c: New test. + * gcc.dg/tree-ssa/long-mul-boundary-64.c: New test. + * gcc.dg/tree-ssa/long-mul-boundary.c: New test. + * gcc.dg/tree-ssa/long-mul-carry.c: New test. + * gcc.dg/tree-ssa/long-mul-chain-cse-128.c: New test. + * gcc.dg/tree-ssa/long-mul-chain-trunc-128.c: New test. + * gcc.dg/tree-ssa/long-mul-extra-addend.c: New test. + * gcc.dg/tree-ssa/long-mul-ladder.c: New test. + * gcc.dg/tree-ssa/long-mul-low-plus.c: New test. + * gcc.dg/tree-ssa/long-mul-partial.c: New test. + * gcc.dg/tree-ssa/long-mul-two-carry.c: New test. + * gcc.target/aarch64/long_mul.c: New test. + * gcc.target/arm/long-mul-thumb1-inline.c: New test. + * gcc.target/arm/long-mul-umull.c: New test. + * gcc.target/i386/long_mul.c: New test. + * gcc.target/i386/widen_mult_high_chain.c: New test. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * gcc.dg/tree-ssa/maskcmp-1.c: New test. + * gcc.dg/bic-bitmask-19.c: Anchor the comparison scan. + * gcc.dg/pr68217.c: Return the masked value. + * gcc.dg/tree-ssa/maskcmp-overflow-1.c: New test. + * gcc.dg/tree-ssa/maskcmp-overflow-2.c: New test. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126593 + * gcc.target/aarch64/pr126593.c: New test. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126301 + * gcc.target/aarch64/sve/peeled.c: New test. + * gcc.target/aarch64/sve/peeled1.c: New test. + * gcc.target/aarch64/sve/peeled1_run.c: New test. + * gcc.target/aarch64/sve/peeled2.c: New test. + * gcc.target/aarch64/sve/peeled2_run.c: New test. + * gcc.target/aarch64/sve/peeled_run.c: New test. + * gcc.target/aarch64/sve/peeled3.c: New file. + * gcc.target/aarch64/sve/peeled3_run.c: New file. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126592 + * gcc.target/aarch64/pr126592.c: New test. + +2026-08-04 Tamar Christina <[email protected]> + + PR target/126589 + * gcc.target/aarch64/sve/complex_mul_1.c: Add -fno-signed-zeros. + * gfortran.target/aarch64/pr122408_1.f90: Likewise. + * gcc.target/aarch64/pr126589.c: New test. + * gcc.target/aarch64/sve/pr126589.c: New test. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126602 + * gcc.target/aarch64/sve/pr126602.c: New test. + +2026-08-04 Tamar Christina <[email protected]> + + PR tree-optimization/126369 + * gcc.target/aarch64/sve/peeled4.c: New test. + +2026-08-04 Aleksa Paunovic <[email protected]> + + * gcc.target/riscv/amo/big-endian-subword-amo-hi.c: New test. + * gcc.target/riscv/amo/big-endian-subword-amo-qi.c: New test. + +2026-08-04 Shreya Munnangi <[email protected]> + + PR target/108031 + * gcc.target/riscv/pr108031.c: New test. + +2026-08-04 Richard Earnshaw <[email protected]> + + PR target/124043 + * gcc.target/arm/crypto-vsha1cq_u32.c: Remove xfail on vdup. + * gcc.target/arm/crypto-vsha1h_u32.c: Likewise. + * gcc.target/arm/crypto-vsha1mq_u32.c: Likewise. + * gcc.target/arm/crypto-vsha1pq_u32.c: Likewise. + +2026-08-04 Richard Earnshaw <[email protected]> + + * gcc.target/arm/crypto-vsha1cq_u32.c: Don't expect a vmov.32 in + the generated code. + * gcc.target/arm/crypto-vsha1h_u32.c: Likewise. + * gcc.target/arm/crypto-vsha1mq_u32.c: Likewise. + * gcc.target/arm/crypto-vsha1pq_u32.c: Likewise. + * gcc.target/arm/armv8_2-fp16-neon-1.c: Update expected output. + * gcc.target/arm/armv8_2-fp16-neon-2.c: Likewise. + +2026-08-04 Egas Ribeiro <[email protected]> + + PR analyzer/119697 + * g++.dg/analyzer/exception-dynamic-spec.C: Remove xfail. + * g++.dg/analyzer/exception-subclass-1.C: Remove xfail. + __analyzer_dump_path in the catch handler. + * g++.dg/analyzer/exception-subclass-2.C: Add + __analyzer_dump_path in the catch handler; + Add __analyzer_eval to interprocedural call. + * g++.dg/analyzer/exception-subclass-3.C: New test. + * g++.dg/analyzer/exception-subclass-4.C: New test. + * g++.dg/analyzer/multiple-inheritance-1.C: New test. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126601 + * gcc.dg/tree-ssa/pr126601.c: New test. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126564 + * gcc.dg/torture/pr126564.c: New test. + +2026-08-04 Jakub Jelinek <[email protected]> + + PR tree-optimization/126549 + * gcc.dg/torture/pr126549.c: New test. + * gcc.dg/torture/bitint-107.c: New test. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + PR middle-end/116815 + * gcc.target/aarch64/pr116815-4.c: New test. + +2026-08-04 Kyrylo Tkachov <[email protected]> + + * gcc.dg/sched-deps-debug-1.c: New test. + +2026-08-04 H.J. Lu <[email protected]> + + PR target/126320 + PR target/126450 + PR target/126529 + * gcc.target/i386/pr126529-1.c: New test. + * gcc.target/i386/pr126529-2.c: Likewise. + * gcc.target/i386/pr126529-3.c: Likewise. + * gcc.target/i386/pr126529-4.c: Likewise. + +2026-08-04 Jin Ma <[email protected]> + + * g++.target/riscv/stack-tie-unwind.C: New test. + * gcc.target/riscv/stack-tie-no-fp.c: New test. + +2026-08-04 Avinal Kumar <[email protected]> + + PR tree-optimization/101650 + * gcc.dg/tree-ssa/bitcmp-7.c: New test. + 2026-08-03 EienMiku <[email protected]> * g++.dg/reflect/expr9.C: Adjust expected diagnostic.