2025-04-27 H.J. Lu PR c/48274 PR middle-end/112877 PR middle-end/118288 * gimple.cc (gimple_builtin_call_types_compatible_p): Remove the targetm.calls.promote_prototypes call. * tree.cc (tree_builtin_call_types_compatible_p): Likewise. 2025-04-27 H.J. Lu PR middle-end/112877 * calls.cc (initialize_argument_information): Promote small integer arguments if TARGET_PROMOTE_PROTOTYPES returns true. 2025-04-27 Pan Li * config/riscv/riscv-v.cc (expand_const_vector): Extract const vector stepped into separated func. (expand_const_vector_single_step_npatterns): Add new func to take care of single step. (expand_const_vector_interleaved_stepped_npatterns): Add new func to take care of interleaved step. (expand_const_vector_stepped): Add new func to take care of const vector stepped. 2025-04-27 Pan Li * config/riscv/riscv-v.cc (expand_const_vector_duplicate_repeating): Add new func to take care of vector duplicate with repeating. (expand_const_vector_duplicate_default): Add new func to take care of default const vector duplicate. (expand_const_vector_duplicate): Add new func to take care of all const vector duplicate. (expand_const_vector): Extract const vector duplicate into separated function. 2025-04-27 Pan Li * config/riscv/riscv-v.cc (expand_const_vec_series): Add new func to take care of the const vec_series. (expand_const_vector): Extract const vec_series into separated function. 2025-04-27 Pan Li * config/riscv/riscv-v.cc (expand_const_vector): Extract const vec_duplicate into separated function. (expand_const_vec_duplicate): Add new func to take care of the const vec_duplicate. 2025-04-27 liuhongt PR target/119549 * common/config/i386/i386-common.cc (ix86_handle_option): Refactor msse4 and mno-sse4. * config/i386/i386.opt (msse4): Remove RejectNegative. (mno-sse4): Remove the entry. * config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p): Remove special code which handles mno-sse4. 2025-04-26 Jan Hubicka PR target/105275 * config/i386/i386.cc (ix86_vector_costs::add_stmt_cost): Fix cost of FP scalar MAX_EXPR and MIN_EXPR 2025-04-26 Iain Buclaw * config.gcc (LIST): --enable-obsolete for m32c-elf. 2025-04-26 Andrew Pinski * simplify-rtx.cc (simplify_context::simplify_unary_operation_1) : Add simplifcation for and with a constant. 2025-04-25 Dimitar Dimitrov * doc/sourcebuild.texi: Document variadic_mi_thunk effective target check. 2025-04-25 Dimitar Dimitrov * doc/sourcebuild.texi: Document effective target using_sjlj_exceptions. 2025-04-25 Andrew Pinski * match.pd: Move `(cmp (cond @0 @1 @2) @3)` simplifcation after the bool comparison simplifications. 2025-04-25 Andrew Pinski * gimple.h (gimple_cond_make_false): Fix comment. (gimple_cond_make_true): Likewise. (gimple_cond_true_p): Fix spello for statement in comment. 2025-04-25 Jason Merrill * common.opt: Add ABI v21. 2025-04-25 Andrew Pinski * ipa-icf.cc (sem_function::sem_function): Remove the obstack argument version one. (sem_variable::sem_variable): Likewise. * ipa-icf.h (sem_function): Remove ctor for obstack argument only one. (sem_variable): Likewise. 2025-04-25 Andrew Pinski * ipa-icf.cc (sem_function::init): Remove assignment of node from itself. 2025-04-25 Andrew Pinski PR tree-optimization/119811 * tree-ssa-phiopt.cc: Remove calls.h include. 2025-04-25 Andre Vieira PR rtl-optimization/116479 * modulo-sched.cc (doloop_register_get): Reject conditions with decrements that are not 1. 2025-04-25 Jakub Jelinek PR target/119873 * config/s390/s390.cc (s390_call_saved_register_used): Don't return true if default definition of PARM_DECL SSA_NAME of the same register is passed in call saved register in the PARALLEL case either. 2025-04-25 Andrew Pinski Thomas Schwinge PR target/119737 * config/gcn/gcn.cc (gcn_hsa_declare_function_name): Properly switch sections. 2025-04-25 Yuriy Kolerov PR target/119122 * common/config/riscv/riscv-common.cc (riscv_implied_info): Add a rule for Zca to C implication. 2025-04-24 Jakub Jelinek Stefan Schulze Frielinghaus PR target/119873 * config/s390/s390.cc (s390_call_saved_register_used): Don't return true if default definition of PARM_DECL SSA_NAME of the same register is passed in call saved register. (s390_function_ok_for_sibcall): Adjust comment. 2025-04-24 Jan Hubicka PR target/119919 * config/i386/i386.cc (ix86_vector_costs::add_stmt_cost): Account correctly cond_expr and min/max when one of operands is 0 or -1. 2025-04-24 Jan Hubicka PR ipa/119924 * ipa-cp.cc (update_counts_for_self_gen_clones): Use nonzero_p. (update_profiling_info): Likewise. (update_specialized_profile): Likewise. 2025-04-24 Richard Sandiford PR target/119610 * config/aarch64/aarch64.cc (aarch64_allocate_and_probe_stack_space): Add a bytes_below_sp parameter and use it to calculate the CFA offsets. Attach the first SVE CFA note to the move into the associated temporary register. (aarch64_allocate_and_probe_stack_space): Update calls accordingly. Start out with bytes_per_sp set to the frame size and decrement it after each allocation. 2025-04-24 Kyrylo Tkachov * opts.cc (validate_ipa_reorder_locality_lto_partition): Check opts instead of opts_set for x_flag_ipa_reorder_for_locality. (finish_options): Update call site. 2025-04-24 Kyrylo Tkachov * common.opt (LTO_PARTITION_DEFAULT): Delete. (flto-partition=): Change default back to balanced. * flag-types.h (lto_partition_model): Remove LTO_PARTITION_DEFAULT. * opts.cc (validate_ipa_reorder_locality_lto_partition): Check opts_set->x_flag_lto_partition instead of LTO_PARTITION_DEFAULT. (finish_options): Remove handling of LTO_PARTITION_DEFAULT. 2025-04-24 Jakub Jelinek PR debug/119711 * dwarf2out.h (struct dw_val_node): Add u member. (struct dw_loc_descr_node): Remove dw_loc_opc, dtprel, frame_offset_rel and dw_loc_addr members. (dw_loc_opc, dw_loc_dtprel, dw_loc_frame_offset_rel, dw_loc_addr): Define. (struct dw_attr_struct): Remove dw_attr member. (dw_attr): Define. * dwarf2out.cc (loc_descr_equal_p_1): Use dw_loc_dtprel instead of dtprel. (output_loc_operands, new_addr_loc_descr, loc_checksum, loc_checksum_ordered): Likewise. (resolve_args_picking_1): Use dw_loc_frame_offset_rel instead of frame_offset_rel. (loc_list_from_tree_1): Likewise. (resolve_addr_in_expr): Use dw_loc_dtprel instead of dtprel. (copy_deref_exprloc): Copy val_class, val_entry and v members instead of whole dw_loc_oprnd1 and dw_loc_oprnd2. (optimize_string_length): Copy val_class, val_entry and v members instead of whole dw_attr_val. (hash_loc_operands): Use dw_loc_dtprel instead of dtprel. (compare_loc_operands, compare_locs): Likewise. 2025-04-24 liuhongt PR target/103750 * config/i386/sse.md (*_cmp3_and15): New define_insn. (*_ucmp3_and15): Ditto. (*_cmp3_and3): Ditto. (*avx512vl_ucmpv2di3_and3): Ditto. (*_cmp3_zero_extend): Change operands[3] predicate to . (*_cmp3_zero_extend_2): Ditto. (*_cmp3): Add GET_MODE_NUNITS (mode) >= 8 to the condition. (*_ucmp3): Ditto. (V48_AVX512VL_4): New mode iterator. (VI48_AVX512VL_4): Ditto. (V8_AVX512VL_2): Ditto. 2025-04-23 Jan Hubicka * ipa-cp.cc (base_count): Remove. (struct caller_statistics): Rename n_hot_calls to n_interesting_calls; add called_without_ipa_profile. (init_caller_stats): Update. (cs_interesting_for_ipcp_p): New function. (gather_caller_stats): collect n_interesting_calls and called_without_profile. (ipcp_cloning_candidate_p): Use n_interesting-calls rather then hot. (good_cloning_opportunity_p): Rewrite heuristics when IPA profile is present (estimate_local_effects): Update. (value_topo_info::propagate_effects): Update. (compare_edge_profile_counts): Remove. (ipcp_propagate_stage): Do not collect base_count. (get_info_about_necessary_edges): Record whether function is called without profile. (decide_about_value): Update. (ipa_cp_cc_finalize): Do not initialie base_count. * profile-count.cc (profile_count::operator*): New. (profile_count::operator*=): New. * profile-count.h (profile_count::operator*): Declare (profile_count::operator*=): Declare. * params.opt: Remove ipa-cp-profile-count-base. * doc/invoke.texi: Likewise. 2025-04-23 Jan Hubicka * config/i386/i386.cc (ix86_vector_costs::add_stmt_cost): Cost truth_value exprs. 2025-04-23 liuhongt * config/i386/predicates.md (vector_or_0_or_1s_operand): New predicate. (nonimm_or_0_or_1s_operand): Ditto. * config/i386/sse.md (vcond_mask_): Extend the predicate of operands1 to accept 0 or allones operands. (vcond_mask_): Ditto. (vcond_mask_v1tiv1ti): Ditto. (vcond_mask_): Ditto. * config/i386/i386.md (movcc): Ditto for operands[2] and operands[3]. * config/i386/i386-expand.cc (ix86_expand_sse_fp_minmax): Force immediate_operand to register. 2025-04-22 Jan Hubicka * config/i386/i386.cc (ix86_vector_costs::add_stmt_cost): Add special cases for COND_EXPR; make MIN_EXPR, MAX_EXPR, ABS_EXPR and ABSU_EXPR more realistic. 2025-04-22 Jakub Jelinek PR target/119327 * config/rs6000/rs6000.cc (rs6000_can_inline_p): Ignore also OPTION_MASK_SAVE_TOC_INDIRECT differences. 2025-04-22 Richard Sandiford * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Define __ARM_FEATURE_FAMINMAX. 2025-04-22 Spencer Abson * tree-vect-loop.cc (vectorizable_induction): Add target support checks for vectorized MULT_EXPR and FLOAT_EXPR where necessary for scalable types. Prefer target_supports_op_p over directly_supports_p for these tree codes. (vectorizable_nonlinear_induction): Fix a doc comment while I'm here. 2025-04-22 Spencer Abson * config/aarch64/aarch64.md: Update cbranch, cstore, fcmp and fcmpe to use the GPF_F16 iterator for floating-point modes. 2025-04-22 Spencer Abson PR target/117013 * config/aarch64/aarch64-protos.h (aarch64_expand_fp_spaceship): Declare optab expander function for floating-point types. * config/aarch64/aarch64.cc (aarch64_expand_fp_spaceship): Define optab expansion for floating-point types (new function). * config/aarch64/aarch64.md (spaceship4): Add define_expands for spaceship4 on integer and floating-point types. 2025-04-22 Kyrylo Tkachov * config/aarch64/aarch64-cores.def (olympus): Add fp8fma, fp8dot4 explicitly. 2025-04-22 Yixuan Chen * config/riscv/riscv-cores.def (RISCV_TUNE): Add xt-c908, xt-c908v, xt-c910, xt-c910v2, xt-c920, xt-c920v2. (RISCV_CORE): Add xt-c908, xt-c908v, xt-c910, xt-c910v2, xt-c920, xt-c920v2. * doc/invoke.texi: Add xt-c908, xt-c908v, xt-c910, xt-c910v2, xt-c920, xt-c920v2. 2025-04-22 Kyrylo Tkachov * doc/invoke.texi (lto-partition-locality-frequency-cutoff, lto-partition-locality-size-cutoff, lto-max-locality-partition): Document. 2025-04-22 Alexandre Oliva PR target/118182 * config/riscv/vector.md (@pred_broadcast): Expand to _zero and _imm variants without vec_duplicate. 2025-04-21 Jan Hubicka PR target/119879 * config/i386/i386.cc (fp_conversion_stmt_cost): Inline to ... (ix86_vector_costs::add_stmt_cost): ... here; fix handling of NOP_EXPR. 2025-04-21 Matthew Fortune * config/mips/mips.cc (mips_option_override): Error out for -mmicromips -mmsa. 2025-04-21 Andrew Pinski PR middle-end/119507 * except.cc (switch_to_exception_section): Don't use the cached section if the current function is in comdat. 2025-04-21 Andrew Pinski * vec.h (array_slice::begin): Assert that the slice is valid. (array_slice::end): Likewise. 2025-04-21 hongtao.liu * config/i386/i386-expand.cc (ix86_emit_swdivsf): Generate 2 FMA instructions when TARGET_FMA. 2025-04-19 Jeff Law PR target/119865 * config/riscv/riscv.cc (parse_features_for_version): Do not explicitly free the architecture string. 2025-04-19 Jeff Law PR target/118410 * config/riscv/bitmanip.md (logical with constant argument): New splitter for cases where synthesizing ~C is cheaper than synthesizing the original constant C. 2025-04-19 Jan Hubicka * config/i386/i386.cc (vec_fp_conversion_cost): New function. (ix86_rtx_costs): Use it for SSE/AVX FP conversoins. (ix86_builtin_vectorization_cost): Fix indentation; and use vec_fp_conversion_cost in vec_promote_demote. (fp_conversion_stmt_cost): New function. (ix86_vector_costs::add_stmt_cost): Use it to cost NOP_EXPR and vec_promote_demote. * config/i386/i386.h (struct processor_costs): * config/i386/x86-tune-costs.h (struct processor_costs): 2025-04-19 Andrew Pinski PR rtl-optimization/111949 * combine.cc (find_split_point): Add a split point for `(and (not X) Y)` if not in the outer set already. 2025-04-19 Jiaxun Yang PR target/111814 * config/sh/sh-modes.def (RESET_FLOAT_FORMAT): Use mips format. (FLOAT_MODE): Use mips mode. 2025-04-19 Maciej W. Rozycki * config/alpha/alpha.cc (alpha_get_mem_rtx_alignment_and_offset): Recurse into COMPONENT_REF nodes. 2025-04-18 Jeff Law * config/riscv/bitmanip.md (*bext_mask_pos): New pattern for extracting a single bit at masked bit position. 2025-04-18 Andrew Pinski PR tree-optimization/87901 * tree-ssa-dse.cc (maybe_trim_constructor_store): Add was_integer_cst argument. Check for was_integer_cst instead of `{}` when was_integer_cst is true. (maybe_trim_partially_dead_store): Handle INTEGER_CST stores of 0 as stores of `{}`. Udpate call to maybe_trim_constructor_store for CONSTRUCTOR. 2025-04-18 Andrew Pinski PR tree-optimization/87901 * tree-ssa-dse.cc (maybe_trim_constructor_store): Strip over useless type conversions after taking the address of the MEM_REF. 2025-04-18 Andrew Pinski PR tree-optimization/118902 * fold-const.cc (tree_swap_operands_p): Place invariants in the first operand if not used with constants. 2025-04-18 Andrew Pinski PR tree-optimization/118947 * gimple-fold.cc (optimize_memcpy_to_memset): Walk back until we get a statement that may clobber the read. 2025-04-18 Andrew Pinski PR tree-optimization/78408 PR tree-optimization/118947 * gimple-fold.cc (optimize_memcpy_to_memset): Handle STRING_CST case too. 2025-04-18 Richard Braun * config/c6x/c6x.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove the DW_EH_PE_indirect flag. 2025-04-18 Richard Biener PR tree-optimization/119858 * tree-vect-loop.cc (vectorizable_live_operation): Convert pointer offset to sizetype. 2025-04-18 Hakan Candar * config.gcc: Recognize riscv*-*-gnu* targets. * config/riscv/gnu.h: New file. 2025-04-18 Alexey Merzlyakov PR middle-end/108016 PR middle-end/108016 * config/riscv/riscv.md (addv4, uaddv4, subv4, usubv4): Tunes for unnecessary sext.w elimination. 2025-04-18 kelefth PR rtl-optimization/119160 * avoid-store-forwarding.cc (process_store_forwarding): Zero-extend the value stored in the base register, in case of load-elimination, only when the mode of the destination is wider. 2025-04-18 kelefth * doc/cfg.texi: Update the exception handling section for the REG_EH_REGION notes to make it clear that the note is attached to the instruction throwing the exception. 2025-04-17 翁愷邑 * config/riscv/riscv-target-attr.cc (riscv_target_attr_parser::update_settings): Do not manually free any arch string. 2025-04-17 Eric Botcazou * tree.def (BOOLEAN_TYPE): Add more details. 2025-04-17 Sam James * doc/invoke.texi: Use "compatible types" term. Rephrase to be more precise (and correct). 2025-04-17 Tamar Christina PR tree-optimization/119351 * tree-vect-stmts.cc (vectorizable_early_exit): Mask both operands of the gcond for partial masking support. 2025-04-17 Jakub Jelinek PR target/119834 * config/s390/s390.md (define_split after *cpymem_short): Use (clobber (match_scratch N)) instead of (clobber (scratch)). Use (match_dup 4) and operands[4] instead of (match_dup 3) and operands[3] in the last of those. (define_split after *clrmem_short): Use (clobber (match_scratch N)) instead of (clobber (scratch)). (define_split after *cmpmem_short): Likewise. 2025-04-17 Thomas Schwinge * config/nvptx/nvptx.cc (TARGET_ASM_NEED_VAR_DECL_BEFORE_USE): Don't '#define'. 2025-04-17 Hans-Peter Nilsson * combine.cc: Correct comments about combine_validate_cost. 2025-04-16 Sandra Loosemore PR c/88382 * doc/extend.texi (Syntax Extensions): Adjust menu. (Raw String Literals): New section. 2025-04-16 Keith Packard * config/rx/rx.md (cmpstrnsi): Allow constant length. For static length 0, just store 0 into the output register. For dynamic zero, set C/Z appropriately. (rxcmpstrn): No longer set C/Z. 2025-04-16 Eric Botcazou * tree-ssa-phiopt.cc (factor_out_conditional_operation): Do not bypass the int_fits_type_p test for boolean types whose precision is not 1. 2025-04-16 Sandra Loosemore * common.opt.urls: Regenerated. 2025-04-16 Ard Biesheuvel PR target/119386 * config/i386/i386-options.cc: Permit -mnop-mcount when using -fpic with PLTs. 2025-04-16 Ard Biesheuvel PR target/119386 * config/i386/i386.cc (x86_print_call_or_nop): Add @PLT suffix where appropriate. (x86_function_profiler): Fall through to x86_print_call_or_nop() for PIC codegen when flag_plt is set. 2025-04-16 Sandra Loosemore PR driver/90465 * doc/invoke.texi (Overall Options): Add a @cindex for -Q in connection with --help=. (Developer Options): Point at --help= documentation for the other use of -Q. 2025-04-16 Thomas Schwinge PR target/97106 * config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls) [ACCEL_COMPILER]: Make sure to emit C++ constructor, destructor aliases. 2025-04-16 Jan Hubicka PR tree-optimization/119614 * ipa-prop.cc (ipa_write_return_summaries): New function. (ipa_record_return_value_range_1): Break out from .... (ipa_record_return_value_range): ... here. (ipa_read_return_summaries): New function. (ipa_prop_read_section): Read return summaries. (read_ipcp_transformation_info): Read return summaries. (ipcp_write_transformation_summaries): Write return summaries; do not stream stray 0. 2025-04-16 Tamar Christina PR tree-optimization/119351 * tree-vectorizer.h (LOOP_VINFO_MASK_NITERS_PFA_OFFSET, LOOP_VINFO_NON_LINEAR_IV): New. (class _loop_vec_info): Add mask_skip_niters_pfa_offset and nonlinear_iv. * tree-vect-loop.cc (_loop_vec_info::_loop_vec_info): Initialize them. (vect_analyze_scalar_cycles_1): Record non-linear inductions. (vectorizable_induction): If early break and PFA using masking create a new phi which tracks where the scalar code needs to start... (vectorizable_live_operation): ...and generate the adjustments here. (vect_use_loop_mask_for_alignment_p): Reject non-linear inductions and early break needing peeling. 2025-04-16 Jakub Jelinek PR middle-end/119808 * gimple-lower-bitint.cc (gimple_lower_bitint): Don't set m_single_use_names bits for SSA_NAMEs which have single use but their SSA_NAME_DEF_STMT is a copy from another SSA_NAME which doesn't have a single use, or single use which is such a copy etc. 2025-04-16 Jesse Huang * config/riscv/riscv.cc (riscv_file_end): Fix .p2align value. 2025-04-16 Kito Cheng * config/riscv/riscv.h (JUMP_TABLES_IN_TEXT_SECTION): Check if large code model. 2025-04-16 Tejas Belagod * config/aarch64/aarch64-sve.md (vec_extract): Fix operand order to gen_vcond_mask_*. 2025-04-16 Alice Carlotti * config/aarch64/aarch64.cc (aarch64_valid_sysreg_name_p): Remove feature check. (aarch64_retrieve_sysreg): Ditto. 2025-04-15 Sandra Loosemore PR tree-optimization/71094 * doc/invoke.texi (Optimize Options): Document that -fivopts is enabled at -O1 and higher. Add blurb about -O0 causing GCC to completely ignore most optimization options. 2025-04-15 Iain Sandoe * configure: Regenerate. * configure.ac: Recognise PROJECT:ld-mmmm.nn.aa as an identifier for Darwin's static linker. 2025-04-15 Iain Sandoe PR target/116827 * ginclude/stddef.h: Undefine __PTRDIFF_T and __SIZE_T for module- enabled c++ on Darwin/macOS platforms. 2025-04-15 Kyrylo Tkachov * common.opt.urls: Regenerate. 2025-04-15 Jan Hubicka * config/i386/x86-tune-sched.cc (ix86_issue_rate): Set to 4 for znver5. 2025-04-15 Jan Hubicka PR target/119298 * config/i386/x86-tune-costs.h (znver5_cost): Set ADDSS cost to 3. 2025-04-15 Vineet Gupta PR target/119533 * config/riscv/riscv-vsetvl.cc (invalid_opt_bb_p): Check for EDGE_ABNOMAL. (pre_vsetvl::compute_lcm_local_properties): Initialize kill bitmap. Debug dump skipped edge. 2025-04-15 Robin Dapp PR target/119547 * config/riscv/riscv-vsetvl.cc (pre_vsetvl::earliest_fuse_vsetvl_info): Do not perform lift if block is not transparent. 2025-04-15 Kyrylo Tkachov * Makefile.in (OBJS): Add ipa-locality-cloning.o. * cgraph.h (set_new_clone_decl_and_node_flags): Declare prototype. * cgraphclones.cc (set_new_clone_decl_and_node_flags): Remove static qualifier. * common.opt (fipa-reorder-for-locality): New flag. (LTO_PARTITION_DEFAULT): Declare. (flto-partition): Change default to LTO_PARTITION_DFEAULT. * doc/invoke.texi: Document -fipa-reorder-for-locality. * flag-types.h (enum lto_locality_cloning_model): Declare. (lto_partitioning_model): Add LTO_PARTITION_DEFAULT. * lto-cgraph.cc (lto_set_symtab_encoder_in_partition): Add dumping of node and index. * opts.cc (validate_ipa_reorder_locality_lto_partition): Define. (finish_options): Handle LTO_PARTITION_DEFAULT. * params.opt (lto_locality_cloning_model): New enum. (lto-partition-locality-cloning): New param. (lto-partition-locality-frequency-cutoff): Likewise. (lto-partition-locality-size-cutoff): Likewise. (lto-max-locality-partition): Likewise. * passes.def: Register pass_ipa_locality_cloning. * timevar.def (TV_IPA_LC): New timevar. * tree-pass.h (make_pass_ipa_locality_cloning): Declare. * ipa-locality-cloning.cc: New file. * ipa-locality-cloning.h: New file. 2025-04-15 Martin Jambor Jakub Jelinek PR ipa/119803 * ipa-cp.cc (ipcp_bits_lattice::meet_with_1): Move m_value adjustmed according to m_mask below the adjustment of the latter according to cap_mask. Optimize the calculation of cap_mask a bit. (ipcp_bits_lattice::meet_with): Optimize the calculation of cap_mask a bit. 2025-04-15 Jakub Jelinek * ipa-cp.cc (ipcp_print_widest_int): Print values with all ones in bits 128+ with "0xf..f" prefix instead of "all ones folled by ". Simplify wide_int check for -1 or all ones above least significant 128 bits. 2025-04-15 Jakub Jelinek PR sanitizer/119801 * sanitizer.def (BUILT_IN_TSAN_FUNC_EXIT): Use BT_FN_VOID rather than BT_FN_VOID_PTR. * tree-tailcall.cc: Include attribs.h and asan.h. (struct tailcall): Add has_tsan_func_exit member. (empty_eh_cleanup): Add eh_has_tsan_func_exit argument, set what it points to to 1 if there is exactly one __tsan_func_exit call and ignore that call otherwise. Adjust recursive call. (find_tail_calls): Add RETRY_TSAN_FUNC_EXIT argument, pass it to recursive calls. When seeing __tsan_func_exit call with RETRY_TSAN_FUNC_EXIT 0, set it to -1. If RETRY_TSAN_FUNC_EXIT is 1, initially ignore __tsan_func_exit calls. Adjust empty_eh_cleanup caller. When looking through stmts after the call, ignore exactly one __tsan_func_exit call but remember it in t->has_tsan_func_exit. Diagnose if EH cleanups didn't have __tsan_func_exit and normal path did or vice versa. (optimize_tail_call): Emit __tsan_func_exit before the tail call or tail recursion. (tree_optimize_tail_calls_1): Adjust find_tail_calls callers. If find_tail_calls changes retry_tsan_func_exit to -1, set it to 1 and call it again with otherwise the same arguments. 2025-04-15 Sandra Loosemore PR ipa/113203 * doc/extend.texi (Common Function Attributes): Explain how to use always_inline in programs that have multiple translation units, and that LTO inlining additionally needs optimization enabled. 2025-04-15 liuhongt PR target/108134 * doc/extend.texi: Remove documents from r11-344-g0fec3f62b9bfc0. 2025-04-15 Sandra Loosemore PR target/42683 * doc/invoke.texi (x86 Options): Clarify that -march=pentiumpro doesn't include MMX. 2025-04-14 Thomas Schwinge PR target/118794 * config/gcn/gcn.opt (-mfake-exceptions): Support. * config/nvptx/nvptx.opt (-mfake-exceptions): Likewise. * config/gcn/gcn.md (define_expand "exception_receiver"): Use it. * config/nvptx/nvptx.md (define_expand "exception_receiver"): Likewise. * config/gcn/mkoffload.cc (main): Set it. * config/nvptx/mkoffload.cc (main): Likewise. * config/nvptx/nvptx.cc (nvptx_assemble_integer) : Special handling for 'SYMBOL_REF's. * except.cc (expand_dw2_landing_pad_for_region): Don't generate bogus code for (default) '#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM'. 2025-04-14 Jakub Jelinek PR rtl-optimization/119785 * expmed.cc (init_expmed): Always pass QImode rather than mode to set_src_cost passed to set_zero_cost. 2025-04-14 Jakub Jelinek PR tree-optimization/119718 * tree-pretty-print.cc (dump_generic_node) : Dump also CALL_EXPR_MUST_TAIL_CALL flag. * calls.cc (maybe_complain_about_tail_call): Emit error about CALL_EXPR_MUST_TAIL_CALL only after emitting dump message, not before it. 2025-04-14 Arthur Cohen * doc/install.texi: Add requirements for building gccrs. 2025-04-14 H.J. Lu PR target/119784 * config/i386/i386.cc (ix86_using_red_zone): Don't use red-zone with 32 GPRs and no caller-saved registers. 2025-04-14 Martin Jambor PR ipa/118097 * ipa-cp.cc (ipa_get_jf_arith_result): Require res_operand for anything except NOP_EXPR or ADDR_EXPR, document it and remove the code trying to deduce it. (ipa_value_from_jfunc): Use the stored and streamed type of arithmetic pass-through functions. (ipa_agg_value_from_jfunc): Use the stored and streamed type of arithmetic pass-through functions, convert to the type used to store the value if necessary. (get_val_across_arith_op): New parameter op_type, pass it to ipa_get_jf_arith_result. (propagate_vals_across_arith_jfunc): New parameter op_type, pass it to get_val_across_arith_op. (propagate_vals_across_pass_through): Use the stored and streamed type of arithmetic pass-through functions. (propagate_aggregate_lattice): Likewise. (push_agg_values_for_index_from_edge): Use the stored and streamed type of arithmetic pass-through functions, convert to the type used to store the value if necessary. 2025-04-14 Martin Jambor PR ipa/118785 * ipa-cp.cc (ipa_vr_intersect_with_arith_jfunc): Use the stored and streamed type of arithmetic pass-through functions. 2025-04-14 Martin Jambor * ipa-cp.cc (ipcp_print_widest_int): Also add a truncated form of dumping of widest ints which only have zeros in the lowest 128 bits. Update the comment. (ipcp_bits_lattice::print): Also dump the mask using ipcp_print_widest_int. (ipcp_store_vr_results): Likewise. 2025-04-14 Martin Jambor PR ipa/119318 * ipa-cp.cc (ipcp_bits_lattice::meet_with_1): Set all mask bits not covered by precision to one. (ipcp_bits_lattice::meet_with): Likewise. (propagate_bits_across_jump_function): Use the stored operation type to perform meet with other lattices. 2025-04-14 Martin Jambor PR ipa/118097 PR ipa/118785 PR ipa/119318 * lto-streamer.h (lto_variably_modified_type_p): Declare. * ipa-prop.h (ipa_pass_through_data): New field op_type. (ipa_get_jf_pass_through_op_type): New function. * ipa-prop.cc: Include lto-streamer.h. (ipa_dump_jump_function): Dump also pass-through operation types, if any. Dump pass-through operands only if not NULL. (ipa_set_jf_simple_pass_through): Set op_type accordingly. (compute_complex_assign_jump_func): Set op_type of arithmetic pass-through jump_functions. (analyze_agg_content_value): Update lhs when walking assighment copies. Set op_type of aggregate arithmetic pass-through jump_functions. (update_jump_functions_after_inlining): Also transfer the operation type from the source arithmentic pass-through jump function to the destination jump function. (ipa_write_jump_function): Stream also the op_type when necessary. (ipa_read_jump_function): Likewise. (ipa_agg_pass_through_jf_equivalent_p): Also compare operation types. * lto-streamer-out.cc (lto_variably_modified_type_p): Make public. 2025-04-14 Richard Biener PR tree-optimization/119757 * tree-vect-slp.cc (vect_build_slp_tree_1): Record and compare whether a stmt uses a maks. 2025-04-14 Richard Biener PR tree-optimization/119778 * tree-inline.cc (copy_edges_for_bb): Mark calls that are source of abnormal edges as altering control-flow. 2025-04-14 Gaius Mulley PR modula2/119779 * doc/gm2.texi (Interface to assembly language): Use eax rather than rax in both examples. 2025-04-14 Jakub Jelinek PR driver/119727 * configure.ac (HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE): New check. * gcc.cc: Include sys/personality.h if HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE is defined. (try_generate_repro): Call personality (personality (0xffffffffU) | ADDR_NO_RANDOMIZE) if HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE is defined. * config.in: Regenerate. * configure: Regenerate. 2025-04-13 Stefan Schulze Frielinghaus * config/s390/s390.cc: Add z17 scheduler description. * config/s390/s390.h: Ditto. * config/s390/s390.md: Ditto. * config/s390/9175.md: New file. 2025-04-13 Stefan Schulze Frielinghaus * common/config/s390/s390-common.cc: Rename arch15 to z17. * config.gcc: Add z17. * config/s390/driver-native.cc: Detect z17 machine. * config/s390/s390-builtins.def (B_VXE3): Rename arch15 to z17. * config/s390/s390-c.cc (s390_resolve_overloaded_builtin): Ditto. * config/s390/s390-opts.h (enum processor_type): Ditto. * config/s390/s390.cc: Ditto. * config/s390/s390.h: Ditto. * config/s390/s390.md: Ditto. * config/s390/s390.opt: Add z17. * doc/invoke.texi: Ditto. 2025-04-12 Sandra Loosemore PR target/97585 * doc/invoke.texi (x86 Options): Document list of extensions supported by -march=x86_64, according to the declaration of PTA_X86_64_BASELINE in config/i386/i386.h. 2025-04-12 Jakub Jelinek PR driver/119727 * gcc.cc (files_equal_p): Rewritten using fopen/fgets/fclose instead of open/fstat/read/close. At the start of lines, ignore lowercase hexadecimal addresses followed by space. 2025-04-12 Jakub Jelinek PR tree-optimization/119722 * gimple-lower-bitint.h (build_bitint_stmt_ssa_conflicts): Add CLEAR argument. * gimple-lower-bitint.cc (build_bitint_stmt_ssa_conflicts): Add CLEAR argument. Call clear on gimple_assign_copy_p rhs1 if lhs is large/huge bitint unless lhs is not in names. * tree-ssa-coalesce.cc (build_ssa_conflict_graph): Adjust build_bitint_stmt_ssa_conflicts caller. Move gimple_assign_copy_p handling to after the build_bitint_stmt_ssa_conflicts call. 2025-04-12 Jakub Jelinek PR tree-optimization/119718 * tree-tailcall.cc (maybe_error_musttail): Dump the GIMPLE at the end of the Cannot tail-call line rather than on the line before it. * calls.cc (maybe_complain_about_tail_call): Dump the GENERIC at the end of the ;; Cannot tail-call line rather than on the line before it. 2025-04-12 Jakub Jelinek PR tree-optimization/119718 * tree-tailcall.cc (maybe_error_musttail): Only dump into dump_file if dump_flags & TDF_DETAILS. Use "Cannot tail-call: " prefix instead of "Cannot convert: ". (find_tail_calls, tree_optimize_tail_calls_1): Formatting fixes for maybe_error_musttail calls. * calls.cc (maybe_complain_about_tail_call): Emit also a message into dump_file when dump_flags & TDF_DETAILS for CALL_EXPR_TAILCALL calls. (initialize_argument_information): Formatting fix for maybe_complain_about_tail_call calls. (can_implement_as_sibling_call_p, expand_call): Likewise. 2025-04-11 Sandra Loosemore PR c++/106618 * doc/invoke.texi (Option Summary): Remove -fargs-in-order, add -fstrong-eval-order. (C++ Dialect Options): Explicitly document that -fstrong-eval-order takes an optional argument and what the choices are. Generalize references to C++17. 2025-04-11 Sandra Loosemore PR middle-end/105548 * doc/invoke.texi (Optimize Options): Delete misleading sentence about conversions. 2025-04-11 Jakub Jelinek PR tree-optimization/119707 * gimple-lower-bitint.cc (bitint_large_huge::handle_cast): Only use m_data[save_data_cnt] instead of m_data[save_data_cnt + 1] if idx is odd and equal to low + 1. Remember tree_to_uhwi (idx) in a temporary instead of calling the function multiple times. 2025-04-11 Sandra Loosemore PR tree-optimization/87909 * common.opt.urls: Regenerate. * doc/invoke.texi (Option Summary): Add -ftree-cselim. (Optimize Options): Likewise. 2025-04-11 Sandra Loosemore PR middle-end/14708 * doc/invoke.texi (Optimize Options): List -fexcess-precision before -ffloat-store, moving some background discussion to the former from the latter. Recommend using -fexcess-precision=standard instead of -ffloat-store. 2025-04-10 Iain Sandoe * config/darwin.h (LINK_SPEC): Add support for -static-libgcobol. 2025-04-10 Richard Biener PR middle-end/119706 * gimple-expr.cc (is_gimple_mem_ref_addr): Also allow POLY_INT_CST. 2025-04-10 Richard Sandiford PR tree-optimization/119399 * tree-data-ref.cc (create_waw_or_war_checks): Use a MINUS_EXPR on two converted pointers, rather than converting a POINTER_DIFF_EXPR on the pointers. 2025-04-10 Kito Cheng * config/riscv/multilib-generator: Remove the compact code model and check large code model for RV32. 2025-04-09 Jakub Jelinek * pretty-print.cc (pretty_printer::format): Use %.Ns instead of %Ns in function comment. 2025-04-09 Jakub Jelinek PR target/119664 * config/h8300/jumpcall.md (bit test and jump define_insn_and_split): Use HSI iterator rather than QHSI. 2025-04-09 Jakub Jelinek * config/riscv/riscv-vector-builtins.cc (verify_type_context): Diagnose RVV types for a given OpenMP context. 2025-04-09 Richard Biener PR rtl-optimization/119689 PR rtl-optimization/115568 * lra-remat.cc (create_cands): Use prev_nonnote_nondebug_insn to check whether insn2 is directly before insn. 2025-04-09 Robin Dapp PR middle-end/116595 * expr.cc (categorize_ctor_elements_1): Use constant_lower_bound. 2025-04-09 Yang Yujie * config/loongarch/genopts/gen-evolution.awk: remove usage of "asort". * config/loongarch/genopts/genstr.sh: replace sed with awk. 2025-04-08 Sandra Loosemore PR c++/90468 * doc/invoke.texi (Warning Options): Clean up text describing -Wno-xxx. 2025-04-08 Jakub Jelinek PR rtl-optimization/119672 * simplify-rtx.cc (simplify_context::simplify_relational_operation_1): For POPCOUNT == 0 or != 0 optimizations use CONST0_RTX (GET_MODE (XEXP (op0, 0))) rather than const0_rtx. 2025-04-08 Tobias Burnus PR middle-end/119662 * gimplify.cc (modify_call_for_omp_dispatch): Fix GOMP_interop arg passing; add location info to function calls. 2025-04-08 Jakub Jelinek PR target/119678 * config/riscv/freebsd.h (LINK_SPEC): Use FBSD_LINK_PG_NOTE rather than non-existing FBSD_LINK_PG_NOTES. 2025-04-08 Thomas Schwinge * config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls) [!ACCEL_COMPILER]: Don't define label 'emit_ptx_alias'. 2025-04-08 Jakub Jelinek PR rtl-optimization/119594 * cse.cc (count_reg_usage): Count even x == dest regs if they have non-zero counts already and incr is positive. 2025-04-08 Jakub Jelinek PR lto/119625 * lto-opts.cc (lto_write_options): Mask of CF_SET from global_options.x_flag_cf_protection. 2025-04-08 Tejas Belagod Andrea Corallo * target.h (type_context_kind): Add new context kinds for target clauses. (omp_type_context): Query if the context is of OMP kind. * config/aarch64/aarch64-sve-builtins.cc (verify_type_context): Diagnose SVE types for a given OpenMP context. (omp_type_context): New. * gimplify.cc (omp_notice_variable): Diagnose implicitly-mapped SVE objects in OpenMP regions. (gimplify_scan_omp_clauses): Diagnose SVE types for various target clauses. 2025-04-08 Tejas Belagod * tree.h (strip_pointer_types): New. 2025-04-08 Richard Sandiford Tejas Belagod PR middle-end/101018 * poly-int.h (can_and_p): New function. * fold-const.cc (poly_int_binop): Use it to optimize BIT_AND_EXPRs involving POLY_INT_CSTs. * gimplify.cc (omp_notice_variable): Use poly_int_tree_p instead of INTEGER_CST when checking for constant-sized omp data. (gimplify_adjust_omp_clauses_1): Likewise. (gimplify_adjust_omp_clauses): Likewise. * omp-low.cc (scan_sharing_clauses): Likewise. 2025-04-08 Haochen Jiang * config/i386/i386.h (PTA_DIAMONDRAPIDS): Add PTA_AVX10_1_256. 2025-04-08 Jin Ma * config/riscv/vector.md: Disable vsext/vzext for XTheadVector. 2025-04-07 Iain Sandoe PR target/113257 * config/aarch64/aarch64-cores.def (AARCH64_CORE): Add Apple-a12, Apple-M1, Apple-M2, Apple-M3 with expanded names to allow for the LITTLE.big versions. * config/aarch64/aarch64-tune.md: Regenerate. * doc/invoke.texi: Add apple-m1,2 and 3 cores to the ones listed for arch and tune selections. 2025-04-07 Thomas Schwinge * config/nvptx/nvptx.opt (-mfake-ptx-alloca): Update. 2025-04-07 Martin Jambor PR tree-optimization/118924 * tree-sra.cc (create_total_scalarization_access): Set grp_same_access_path flag to zero. 2025-04-07 Martin Jambor PR tree-optimization/118924 * tree-ssa-alias-compare.h (types_equal_for_same_type_for_tbaa_p): Declare. * tree-ssa-alias.cc: Include ipa-utils.h. (types_equal_for_same_type_for_tbaa_p): New public overloaded variant. * tree-sra.cc: Include tree-ssa-alias-compare.h. (create_access): Initialzie grp_same_access_path to true. (build_accesses_from_assign): Detect tbaa hazards and clear grp_same_access_path fields of involved accesses when they occur. (sort_and_splice_var_accesses): Take previous values of grp_same_access_path into account. 2025-04-07 Richard Biener PR tree-optimization/119640 * tree-vect-stmts.cc (vectorizable_shift): Always insert code for one of our SLP operands before the code for the vector shift itself. 2025-04-07 Jakub Jelinek PR tree-optimization/119614 * tree-tailcall.cc (find_tail_calls): Remember edges which have been walked through if !ass_var. Perform IPA-VRP workaround even when ret_var is not TREE_CONSTANT, in that case check in a loop if it is a PHI result and in that case look at the PHI argument from corresponding edge in the edge vector. 2025-04-07 Richard Sandiford PR testsuite/116398 * params.opt (-param=max-combine-search-insns=): New param. * doc/invoke.texi: Document it. * combine.cc (insn_link::insn_count): New field. (alloc_insn_link): Initialize it. (distribute_links): Add a limit parameter. (try_combine): Use the new param to limit distribute_links when only i3 has changed. 2025-04-07 Richard Sandiford PR testsuite/116398 * combine.cc (distribute_links): Take an optional start point. (try_combine): If only i3 has changed, only distribute i3's links, not i2's. Start the search for the new use from i3 rather than from the definition instruction. Likewise start the search for the new use from i2 when distributing i2's links. 2025-04-07 Richard Sandiford PR testsuite/116398 * combine.cc (try_combine): Shortcut the split_i2i3 handling if i2 is unchanged. 2025-04-07 Richard Sandiford Richard Biener PR testsuite/116398 * combine.cc (try_combine): Reallow 2->2 combinations. Detect when only i3 has changed and restart from i3 in that case. 2025-04-07 Richard Sandiford * simplify-rtx.cc (simplify_const_relational_operation): Generalize the constant checks in the fold-via-minus path to match the INTEGRAL_MODE_P condition. 2025-04-06 Sandra Loosemore * doc/extend.texi (Boolean Type): Further clarify support for _Bool in C23 and C++. 2025-04-06 Sandra Loosemore PR middle-end/78874 * doc/invoke.texi (Warning Options): Fix description of -Wno-aggressive-loop-optimizations to reflect that this turns off the warning, and the default is for it to be enabled. 2025-04-06 Sandra Loosemore PR c/81831 * doc/invoke.texi (Option Summary): Add -Wno-psabi. (Warning Options): Document -Wpsabi separately from -Wabi. Note it's enabled by default, not just implied by -Wabi. Replace the detailed example for a GCC 4.4 change for x86 (which is unlikely to be very interesting nowadays) with just a list of all targets that presently diagnose these warnings. (RS/6000 and PowerPC Options): Add cross-references for -Wno-psabi. 2025-04-05 Sandra Loosemore PR middle-end/112589 * common.opt (-fcf-protection): Add documentation string. * doc/invoke.texi (Option Summary): Add entry for -fcf-protection without argument. (Instrumentation Options): Tidy the -fcf-protection entry and and add documention for the form without an argument. 2025-04-04 Jakub Jelinek PR lto/119625 * lto-opts.cc (lto_write_options): If neither flag_pic nor flag_pie are set, check first for flag_pie and only later for flag_pic rather than the other way around, use a temporary variable. If flag_cf_protection is not set, don't append anything if flag_cf_protection is none of CF_{NONE,FULL,BRANCH,RETURN} and use a temporary variable. 2025-04-04 Jakub Jelinek PR gcov-profile/119618 * profile.cc (branch_prob): Only check for musttail calls if cfun->has_musttail. Use gsi_last_nondebug_bb instead of gsi_last_bb. 2025-04-04 Jakub Jelinek PR tree-optimization/119616 * tree-tailcall.cc (suitable_for_tail_call_opt_p): Move checking for addressable parameters from here ... (find_tail_calls): ... here. If cfun->has_musttail, don't clear opt_tailcalls for it, instead set a local flag and punt if we can't tail recurse optimize it. 2025-04-04 Jakub Jelinek PR middle-end/119613 * cfgrtl.cc (purge_dead_edges): Remove REG_EH_REGION notes from tail calls. 2025-04-04 Jakub Jelinek PR target/115910 * rtlanal.cc (pattern_cost): Return at least COSTS_N_INSNS (1) rather than just COSTS_N_INTNS (1) for cost <= 0. * config/i386/i386.cc (ix86_rtx_costs): Set *total to 1 for TARGET_64BIT x86_64_zext_immediate_operand constants. 2025-04-04 Andrew Pinski PR ipa/119599 * tree-cfg.cc (pass_warn_function_return::execute): Turn return statements always into __builtin_unreachable calls. 2025-04-04 Jakub Jelinek PR tree-optimization/119614 * tree-tailcall.cc (find_tail_calls): Handle also pointer types in the IPA-VRP workaround. 2025-04-03 Thomas Schwinge PR target/119573 * config/nvptx/nvptx.cc (nvptx_encode_section_info): Don't set 'DATA_AREA_CONST' for 'TREE_CONSTANT', or 'TREE_READONLY'. (nvptx_asm_declare_constant_name): Use '.global' instead of '.const'. 2025-04-03 Peter Bergner PR target/119308 * config/rs6000/rs6000-logue.cc (rs6000_output_function_epilogue): Handle GCC COBOL for the tbtab lang field. 2025-04-03 Sandra Loosemore * doc/extend.texi (Statement Attributes): Copy-edit the musttail attribute documentation and correct the comment in the last example. 2025-04-03 Jan Hubicka * config/i386/x86-tune-costs.h (ix86_size_cost): Fix sizes of move instructions 2025-04-03 Jakub Jelinek PR cobol/119242 * fold-const.h (native_encode_wide_int): Declare. * fold-const.cc (native_encode_wide_int): New function. (native_encode_int): Use it. 2025-04-03 Xi Ruoyao * config/loongarch/genopts/gen-evolution.awk: Avoid using gensub that FreeBSD awk lacks. 2025-04-03 Hongyu Wang PR target/119539 * config/i386/i386.md (*3_mask): Emit NF variant of rotate when APX_NF enabled, and use force_lowpart_subreg. (*3_mask_1): Likewise. 2025-04-03 Sandra Loosemore PR c/101440 * doc/extend.texi (Common Function Attributes): Clean up some confusing language in the description of the "access" attribute. 2025-04-02 Sandra Loosemore GUO Yixuan PR driver/58973 * common.opt (Werror, Werror=): Use less awkward wording in description. (pedantic-errors): Likewise. * doc/invoke.texi (Warning Options): Likewise for -Werror and -Werror= here. 2025-04-02 Robin Dapp PR target/119572 * config/riscv/autovec.md: Mask broadcast value. 2025-04-02 Jin Ma * config/riscv/bitmanip.md: The optimization can only be applied if the high bit of operands[3] is set to 1. 2025-04-02 Sandra Loosemore PR c/114957 PR c/78008 PR c++/60972 * doc/extend.texi (Structure-Layout Pragmas): Add @cindex entries and reformat the pragma descriptions to match the markup used for other pragmas. Document what #pragma pack(0) does. Add cross-references to similar attributes. 2025-04-02 Jakub Jelinek PR tree-optimization/119491 * tree-tailcall.cc (single_non_eh_succ_edge): New function. (independent_of_stmt_p): Use single_non_eh_succ_edge (bb)->dest instead of single_succ (bb). (empty_eh_cleanup): New function. (find_tail_calls): Diagnose throwing of exceptions which do not propagate only if there are no EDGE_EH successor edges. If there are and the call is musttail, use empty_eh_cleanup to find if the cleanup is not empty. If not or the call is not musttail, use different diagnostics. Set is_noreturn even if there are successor edges. Use single_non_eh_succ_edge (abb) instead of single_succ_edge (abb). Punt on internal noreturn calls. (decrease_profile): Don't assert 0 or 1 successor edges. (eliminate_tail_call): Use single_non_eh_succ_edge (gsi_bb (t->call_gsi)) instead of single_succ_edge (gsi_bb (t->call_gsi)). (tree_optimize_tail_calls_1): Also look into basic blocks with single succ edge which is EDGE_EH for noreturn musttail calls. 2025-04-02 Richard Biener PR tree-optimization/119586 * tree-vect-stmts.cc (vectorizable_load): Assume we got alignment analysis for VMAT_STRIDED_SLP wrong. (vectorizable_store): Likewise. 2025-04-02 Jakub Jelinek * doc/extend.texi (musttail statement attribute): Hint how to avoid -Wmaybe-musttail-local-addr warnings. 2025-04-02 Jakub Jelinek PR ipa/119376 * common.opt (Wmusttail-local-addr, Wmaybe-musttail-local-addr): New. * tree-tailcall.cc (suitable_for_tail_call_opt_p): Don't fail for TREE_ADDRESSABLE PARM_DECLs for musttail calls if diag_musttail. Emit -Wmusttail-local-addr warnings. (maybe_error_musttail): Use gimple_location instead of directly accessing location member. (find_tail_calls): For musttail calls if diag_musttail, don't fail if address of local could escape to the call, instead emit -Wmaybe-musttail-local-addr warnings. Emit -Wmaybe-musttail-local-addr warnings also for address taken parameters. * common.opt.urls: Regenerate. * doc/extend.texi (musttail statement attribute): Clarify local variables without non-trivial destruction are considered out of scope before the tail call instruction. * doc/invoke.texi (-Wno-musttail-local-addr, -Wmaybe-musttail-local-addr): Document. 2025-04-02 Andi Kleen PR middle-end/119482 * bitmap.cc (bitmap_set_bit): Write back value unconditionally 2025-04-02 Sandra Loosemore PR c++/118982 * doc/extend.texi (Common Function Attributes): For the constructor/destructory attribute, be more explicit about the relationship between the constructor attribute and the C++ init_priority attribute, and add a cross-reference. Also document that most targets support this. (C++ Attributes): Similarly for the init_priority attribute. 2025-04-01 Sandra Loosemore PR c/118118 * doc/extend.texi (Boolean Type): New section. 2025-04-01 Sandra Loosemore PR c/117689 * doc/extend.texi (Incomplete Enums): Rename to.... (Enum Extensions): This. Document support for specifying the underlying type of an enum as an extension in all earlier C and C++ standards. Document that a forward declaration with underlying type is not an incomplete type, and which dialects GCC supports that in. 2025-04-01 Tom Tromey * dwarf2out.cc (modified_type_die): Use mod_scope for ranged types, base types, and array types. 2025-04-01 Jakub Jelinek PR tree-optimization/119493 * tree-tailcall.cc (find_tail_calls): Don't punt on tail recusion if some arguments don't have is_gimple_reg_type, only punt if they have non-POD types, or volatile, or addressable or (for now) it is not a musttail call. Set tailr_arg_needs_copy in those cases too. (eliminate_tail_call): Copy call arguments to params if they don't have is_gimple_reg_type, use temporaries if the argument is used later. (tree_optimize_tail_calls_1): Skip !is_gimple_reg_type tailr_arg_needs_copy parameters. Formatting fix. 2025-04-01 Jakub Jelinek PR rtl-optimization/119291 * combine.cc (try_combine): For splitting of PARALLEL with 2 independent SETs into i2 and i3 sets check reg_used_between_p of the SET_DESTs rather than just modified_between_p. 2025-04-01 Richard Biener PR tree-optimization/119534 * tree-vect-stmts.cc (get_load_store_type): Reject VECTOR_BOOLEAN_TYPE_P offset vector type for emulated gathers. 2025-04-01 Martin Uecker PR c/119173 * doc/invoke.texi (Warning Options): Move to general options. 2025-04-01 Jakub Jelinek PR gcov-profile/119535 * profile.cc (branch_prob): Ignore any edges from bbs ending with musttail call, rather than only EDGE_FAKE edges from those to EXIT. 2025-04-01 Jakub Jelinek PR tree-optimization/119493 * tree-tailcall.cc (tree_optimize_tail_calls_1): Ignore tail recursion candidates which need accumulators if there is at least one musttail non-recursive call. 2025-04-01 Jakub Jelinek PR middle-end/119537 * gimplify.cc (find_used_user_labels): New function. (gimplify_call_expr): Don't remove complex assume expression at -O0 if it defines any user labels. * gimple-low.cc: Include diagnostic-core.h. (assume_labels): New variable. (diagnose_assume_labels): New function. (lower_function_body): Call it via walk_gimple_seq if assume_labels is non-NULL, then BITMAP_FREE assume_labels. (find_assumption_locals_r): Record in assume_labels uids of user labels defined in assume attribute expressions. 2025-04-01 Thomas Schwinge PR target/119369 * config/gcn/gcn-protos.h (gcn_asm_weaken_decl): Declare. * config/gcn/gcn.cc (gcn_asm_weaken_decl): New. * config/gcn/gcn-hsa.h (ASM_WEAKEN_DECL): '#define' to this. 2025-04-01 Richard Biener PR target/119549 * common/config/i386/i386-common.cc (ix86_handle_option): Assert that both OPT_msse4 and OPT_mno_sse4 are never unset. * config/i386/i386-options.cc (ix86_valid_target_attribute_inner_p): Process negated OPT_msse4 as OPT_mno_sse4. 2025-04-01 Tobias Burnus PR middle-end/119559 * gimplify.cc (modify_call_for_omp_dispatch): Reorder checks to avoid asserts and bogus diagnostic. 2025-04-01 Hu, Lin1 Hongyu Wang PR target/119473 * config/i386/sse.md (vaesdec_): Set attr "isa" as "avx,vaes_avx512vl", "type" as "sselog1", "mode" as "TI". (vaesdeclast_): Ditto. (vaesenc_): Ditto. (vaesenclast_): Ditto. 2025-04-01 Monk Chiang Kito Cheng * config/riscv/riscv-v.cc: Add restrict for insert LMUL. * config/riscv/riscv-vector-builtins-types.def: Use RVV_REQUIRE_ELEN_64 to check LMUL number. * config/riscv/riscv-vector-switch.def: Likewise. * config/riscv/vector-iterators.md: Check TARGET_VECTOR_ELEN_64 rather than "TARGET_MIN_VLEN > 32" for all iterator. 2025-04-01 Lulu Cheng * doc/invoke.texi: Corrected the position of '-mtls-dialect=opt' option. 2025-03-31 Jørgen Kvalsvik PR gcov-profile/119553 * path-coverage.cc (find_paths): Return path count, don't write to gcno, and rename to ... (instrument_prime_paths): ... this. * profile.cc (branch_prob): Write path counts to gcno. 2025-03-31 Marek Polacek PR c++/116960 PR c++/119303 * diagnostic.cc (diagnostic_context::report_diagnostic): Check for non-zero m_lock later, after checking diagnostic_enabled. 2025-03-31 Andre Simoes Dias Vieira * config/aarch64/aarch64-option-extensions.def (SME): Remove SVE2 as prerequisite and add in FCMA and F16FML. * config/aarch64/aarch64.cc (aarch64_override_options_internal): Diagnose use of SME without SVE2 and implicitly enable SVE2 when enabling SME after streaming mode diagnosis. * doc/invoke.texi (sme): Document that this can only be used with the sve2 extension. 2025-03-31 Richard Biener PR tree-optimization/119532 * tree-tailcall.cc (process_assignment): FAIL for fixed-point typed functions. 2025-03-31 Tobias Burnus PR middle-end/119541 * gimplify.cc (modify_call_for_omp_dispatch): Limit interop claues processing by the number of append_args arguments. 2025-03-31 Kyrylo Tkachov PR middle-end/119442 * expr.cc (store_constructor): Also allow element modes explicitly accepted by target vec_duplicate pattern. 2025-03-31 Richard Biener PR target/119010 * config/i386/sse.md (*vmov_constm1_pternlog_false_dep): Add mode attribute. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_mov_fp_load, znver5_sse_mov_fp_load): Also match ssemov2. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_log_evex_store, znver5_sse_log_evex_store): New reservations. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_icvt): Use sseicvt. (znver4_sse_icvt_store): Likewise. (znver5_sse_icvt_store): Likewise. (znver4_sse_icvt2): New. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_div_pd, znver4_sse_div_pd_load, znver5_sse_div_pd_load): Handle DFmode. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_cmp_avx128, znver5_sse_cmp_avx128): Handle TImode. (znver4_sse_cmp_avx256, znver5_sse_cmp_avx256): Handle OImode. (znver4_sse_cmp_avx512, znver5_sse_cmp_avx512): Handle XImode. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_test): Drop test of prefix_extra attribute. 2025-03-31 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_log1): Rename to znver4_sse_log1_store. (znver5_sse_log1): Rename to znver5_sse_log1_store. (znver4_sse_log1): New memory-less variant. 2025-03-30 Sandra Loosemore * doc/extend.texi (New/Delete Builtins): Cleanup up the text and explicitly list the builtins being documented. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (Numeric Builtins): Move Integer Overflow Builtins section here, as a subsection. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (Atomic Memory Access): New section. (__sync Builtins): Make it a subsection of the above. (Atomic Memory Access): Likewise. (x86 specific memory model extensions for transactional memory): Delete this section, incorporating the text into the discussion of __atomic builtins. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (Built-in Functions): Incorporate some text formerly in "Other Builtins" into the introduction. Adjust menu for new sections. (Library Builtins): New section, split from "Other Builtins". (Numeric Builtins): Likewise. (Stack Allocation): Likewise. (Constructing Calls): Move __builtin_call_with_static_chain here. (Object Size Checking): Minor copy-editing. (Other Builtins): Move text to new sections listed above. Delete duplicate docs for object-size checking builtins. * doc/invoke.texi (C dialect options): Update @xref for -fno-builtin. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (C Extensions): Move menu items for builtin-related sections to... (Built-in Functions): New chapter. * doc/gcc.texi (Introduction): Add menu entry for new chapter. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (Attributes): New section. (Function Attributes): Make it a subsection of the new section. (Variable Attributes): Likewise. (Type Attributes): Likewise. (Label Attributes): Likewise. (Enumerator Attributes): Likewise. (Attribute Syntax): Likewise. 2025-03-30 Sandra Loosemore PR other/42270 * doc/extend.texi (Function Attributes): Merge text from "Target Format Checks" into the main discussion of the format and format_arg attributes. (Target Format Checks): Delete section. 2025-03-30 Maciej W. Rozycki PR target/117759 * config/alpha/alpha-protos.h (alpha_expand_unaligned_store_safe_partial): New prototype. * config/alpha/alpha.cc (alpha_expand_movmisalign) (alpha_expand_block_move, alpha_expand_block_clear): Handle TARGET_SAFE_PARTIAL. (alpha_expand_unaligned_store_safe_partial) (alpha_expand_unaligned_store_words_safe_partial) (alpha_expand_clear_safe_partial_nobwx): New functions. * config/alpha/alpha.md (insvmisaligndi): Handle TARGET_SAFE_PARTIAL. * config/alpha/alpha.opt (msafe-partial): New option. * config/alpha/alpha.opt.urls: Regenerate. * doc/invoke.texi (Option Summary, DEC Alpha Options): Document the new option. 2025-03-30 Maciej W. Rozycki PR target/117759 * config/alpha/alpha-modes.def (OI): New integer mode. * config/alpha/alpha-protos.h (alpha_expand_mov_safe_bwa): New prototype. * config/alpha/alpha.cc (alpha_expand_mov_safe_bwa): New function. (alpha_secondary_reload): Handle TARGET_SAFE_BWA. * config/alpha/alpha.md (aligned_store_safe_bwa) (unaligned_store_safe_bwa, reload_out_safe_bwa) (reload_out_unaligned_safe_bwa): New expanders. (mov, movcqi, reload_out_aligned): Handle TARGET_SAFE_BWA. (reload_out): Guard against TARGET_SAFE_BWA. * config/alpha/alpha.opt (msafe-bwa): New option. * config/alpha/alpha.opt.urls: Regenerate. * doc/invoke.texi (Option Summary, DEC Alpha Options): Document the new option. 2025-03-30 Maciej W. Rozycki * function.h (struct function): Add `split_basic_blocks_after_reload' member. * lra.cc (lra): Handle it. * reload1.cc (reload): Likewise. 2025-03-30 Maciej W. Rozycki * config/alpha/alpha-protos.h (alpha_emit_unlikely_jump): New prototype. * config/alpha/alpha.cc (emit_unlikely_jump): Rename to... (alpha_emit_unlikely_jump): ... this. Return the insn emitted. (alpha_split_atomic_op, alpha_split_compare_and_swap) (alpha_split_compare_and_swap_12, alpha_split_atomic_exchange) (alpha_split_atomic_exchange_12): Update call sites accordingly. 2025-03-30 LIU Hao * config/mingw/winnt.cc (mingw_pe_file_end): Add `.p2align`. 2025-03-29 Iain Sandoe PR cobol/119283 * config.in: Regenerate. * configure: Regenerate. * configure.ac: Check for host memrchr. 2025-03-29 Lulu Cheng * doc/invoke.texi: Modify the description of '-mld-seq-sa'. 2025-03-29 Lulu Cheng * config/loongarch/loongarch-def.cc (la464_align): Add settings for labels. (la664_align): Likewise. * config/loongarch/loongarch-opts.cc (loongarch_target_option_override): Likewise. * config/loongarch/loongarch-tune.h (struct loongarch_align): Implement the function `label_`. 2025-03-28 Jakub Jelinek * common.opt.urls: Regenerate. 2025-03-28 Jakub Jelinek * Makefile.in (gcc.srcextra): Use sed to turn .../gcc/gengtype-lex.l in #line directives into just gengtype-lex.l. 2025-03-28 Andrew MacLeod * range-op.cc (operator_mult::op1_range): If the LHS does not contain zero, return non-zero. 2025-03-28 Jakub Jelinek PR tree-optimization/119483 * tree-tailcall.cc (find_tail_calls): Handle noreturn musttail calls. (eliminate_tail_call): Likewise. (tree_optimize_tail_calls_1): If cfun->has_musttail and diag_musttail, handle also basic blocks with no successors with noreturn musttail calls. * calls.cc (can_implement_as_sibling_call_p): Allow ECF_NORETURN calls if they are musttail calls. 2025-03-28 Jakub Jelinek PR ipa/119484 * ipa-sra.cc (isra_analyze_call): Don't set m_return_ignored if gimple_call_must_tail_p even if it doesn't have lhs. 2025-03-28 Richard Biener * fold-const.h (native_encode_real): Export. * fold-const.cc (native_encode_real): Change API to take mode and REAL_VALUE_TYPE. (native_encode_expr): Adjust. 2025-03-27 Uros Bizjak * config/i386/i386.cc (ix86_redzone_clobber): Use integer, not rtx as the third argument of plus_constant. 2025-03-27 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_insn_both, znver5_insn_both): New reservation for ALU ops with load and store. 2025-03-27 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_add, znver4_sse_add_load, znver5_sse_add_load, znver4_sse_add1, znver4_sse_add1_load, znver5_sse_add1_load, znver4_sse_mul, znver4_sse_mul_load, znver5_sse_mul_load, znver4_sse_cvt, znver4_sse_cvt_load, znver5_sse_cvt_load, znver4_sse_shuf, znver5_sse_shuf, znver4_sse_shuf_load, znver5_sse_shuf_load, znver4_sse_cmp_avx128, znver5_sse_cmp_avx128, znver4_sse_cmp_avx128_load, znver5_sse_cmp_avx128_load): Also handle DFmode. (znver4_sse_muladd_load, znver5_sse_muladd_load): Use ssemuladd type. 2025-03-27 Tobias Burnus * gimplify.cc (modify_call_for_omp_dispatch): Remove sorry. 2025-03-27 Richard Earnshaw * config/arm/neon.md (3): Move pattern from here... * config/arm/vec-common.md (3): ... to here. Convert to define_expand and disable the pattern when denormal values might get truncated to zero. Iterate on VF to add V4HF and V8HF variants. 2025-03-27 Hu, Lin1 PR target/119425 * config/i386/sse.md: (vec_set_0): Set the alternative with constraint "jm"'s attribute "addr" to "gpr16". (avx512dq_shuf_64x2_1): Ditto. (avx512vl_shuf_32x4_1): Ditto. (avx2_pblendd): Ditto. (aesenc): Ditto. (aesenclast): Ditto. (aesdec): Ditto. (aesdeclast): Ditto. (vaesdec_): Ditto. (vaesdeclast_): Ditto. (vaesenc_):: Ditto. (vaesenclast_):: Ditto. (aesu8): Ditto. (*aesu8): Ditto. 2025-03-27 Lulu Cheng PR target/119408 * config/loongarch/loongarch.cc (loongarch_c_mode_for_suffix): New. (TARGET_C_MODE_FOR_SUFFIX): Define. 2025-03-26 Jørgen Kvalsvik * builtins.cc (expand_builtin_fork_or_exec): Call coverage_instrumentation_p. * ipa-inline.cc (can_early_inline_edge_p): Likewise. * passes.cc (finish_optimization_passes): Likewise. * profile.cc (coverage_instrumentation_p): New function. * profile.h (coverage_instrumentation_p): New declaration. * tree-profile.cc (tree_profiling): Call coverage_instrumentation_p. (pass_ipa_tree_profile::gate): Likewise. * value-prof.h (coverage_instrumentation_p): New declaration. 2025-03-26 Jørgen Kvalsvik * Makefile.in (OBJS): Add prime-paths.o, path-coverage.o. (GTFILES): Add prime-paths.cc, path-coverage.cc (GCOV_OBJS): Add graphds.o, prime-paths.o, bitmap.o * builtins.cc (expand_builtin_fork_or_exec): Check path_coverage_flag. * collect2.cc (main): Add -fno-path-coverage to OBSTACK. * common.opt: Add new options -fpath-coverage, -fpath-coverage-limit, -Wcoverage-too-many-paths * doc/gcov.texi: Add --prime-paths, --prime-paths-lines, --prime-paths-source documentation. * doc/invoke.texi: Add -fpath-coverage, -fpath-coverage-limit, -Wcoverage-too-many-paths documentation. * gcc.cc: Link gcov on -fpath-coverage. * gcov-counter.def (GCOV_COUNTER_PATHS): New. * gcov-io.h (GCOV_TAG_PATHS): New. (GCOV_TAG_PATHS_LENGTH): New. (GCOV_TAG_PATHS_NUM): New. * gcov.cc (class path_info): New. (struct coverage_info): Add paths, paths_covered. (find_prime_paths): New. (add_path_counts): New. (find_arc): New. (print_usage): Add -e, --prime-paths, --prime-paths-lines, --prime-paths-source. (process_args): Likewise. (json_set_prime_path_coverage): New. (output_json_intermediate_file): Call json_set_prime_path_coverage. (process_all_functions): Call find_prime_paths. (generate_results): Call add_path_counts. (read_graph_file): Read path counters. (read_count_file): Likewise. (function_summary): Print path counts. (file_summary): Likewise. (print_source_line): New. (print_prime_path_lines): New. (print_inlined_separator): New. (print_prime_path_source): New. (output_path_coverage): New. (output_lines): Print path coverage. * ipa-inline.cc (can_early_inline_edge_p): Check path_coverage_flag. * passes.cc (finish_optimization_passes): Likewise. * profile.cc (branch_prob): Likewise. * selftest-run-tests.cc (selftest::run_tests): Run path coverage tests. * selftest.h (path_coverage_cc_tests): New declaration. * tree-profile.cc (tree_profiling): Check path_coverage_flag. (pass_ipa_tree_profile::gate): Likewise. * path-coverage.cc: New file. * prime-paths.cc: New file. 2025-03-26 Jørgen Kvalsvik * gcov.cc (generate_results): Count branches, conditions. (function_summary): Output branch, calls, condition count. 2025-03-26 Thomas Schwinge PR driver/101544 * gcc.cc (driver_handle_option): Forward host '-lstdc++' to offloading compilation. * config/gcn/mkoffload.cc (main): Adjust. * config/nvptx/mkoffload.cc (main): Likewise. 2025-03-26 Jakub Jelinek PR tree-optimization/119417 * tree-ssa-math-opts.cc (convert_mult_to_widen): Before changing typeN because actual_precision/from_unsignedN differs cast rhsN to typeN if it has a different type. (convert_plusminus_to_widen): Before changing typeN because actual_precision/from_unsignedN differs cast mult_rhsN to typeN if it has a different type. 2025-03-26 Jakub Jelinek Andi Kleen PR gcov-profile/118442 * profile.cc (branch_prob): Ignore EDGE_FAKE edges from musttail calls to EXIT. 2025-03-26 Jakub Jelinek PR target/119450 * config/i386/i386.md (narrow test peephole2): Test for offsettable_memref_p in condition. 2025-03-26 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_sse_mov_fp, znver4_sse_mov_fp_load, znver5_sse_mov_fp_load, znver4_sse_mov_fp_store, znver5_sse_mov_fp_store): Also match V1SF and DF. 2025-03-26 Richard Biener PR target/119010 * config/i386/zn4zn5.md (znver4_imov_double_store, znver5_imov_double_store, znver4_imov_store, znver5_imov_store): New reservations for integer stores. 2025-03-26 Richard Biener PR middle-end/118795 * match.pd (vec_perm > -> vec_perm ): Use the appropriate check to see whether the original outer permute was supported. 2025-03-26 Hu, Lin1 * config/i386/avx10_2-512convertintrin.h (_mm512_mask_cvtx2ps_ph): Formatting fixes (_mm512_mask_cvtx_round2ps_ph): Ditto (_mm512_maskz_cvtx_round2ps_ph): Ditto (_mm512_cvtbiassph_bf8): Rename to _mm512_cvts_biasph_bf8. (_mm512_mask_cvtbiassph_bf8): Rename to _mm512_mask_cvts_biasph_bf8. (_mm512_maskz_cvtbiassph_bf8): Rename to _mm512_maskz_cvts_biasph_bf8. (_mm512_cvtbiassph_hf8): Rename to _mm512_cvts_biasph_hf8. (_mm512_mask_cvtbiassph_hf8): Rename to _mm512_mask_cvts_biasph_hf8. (_mm512_maskz_cvtbiassph_hf8): Rename to _mm512_maskz_cvts_biasph_hf8. (_mm512_cvts2ph_bf8): Rename to _mm512_cvts_2ph_bf8. (_mm512_mask_cvts2ph_bf8): Rename to _mm512_mask_cvts_2ph_bf8. (_mm512_maskz_cvts2ph_bf8): Rename to _mm512_maskz_cvts_2ph_bf8. (_mm512_cvts2ph_hf8): Rename to _mm512_cvts_2ph_hf8. (_mm512_mask_cvts2ph_hf8): Rename to _mm512_mask_cvts_2ph_hf8. (_mm512_maskz_cvts2ph_hf8): Rename to _mm512_maskz_cvts_2ph_hf8. (_mm512_cvtsph_bf8): Rename to _mm512_cvts_ph_bf8. (_mm512_mask_cvtsph_bf8): Rename to _mm512_mask_cvts_ph_bf8. (_mm512_maskz_cvtsph_bf8): Rename to _mm512_maskz_cvts_ph_bf8. (_mm512_cvtsph_hf8): Rename to _mm512_cvts_ph_hf8. (_mm512_mask_cvtsph_hf8): Rename to _mm512_mask_cvts_ph_hf8. (_mm512_maskz_cvtsph_hf8): Rename to _mm512_maskz_cvts_ph_hf8. * config/i386/avx10_2convertintrin.h (_mm_cvtbiassph_bf8): Rename to _mm_cvts_biasph_bf8. (_mm_mask_cvtbiassph_bf8): Rename to _mm_mask_cvts_biasph_bf8. (_mm_maskz_cvtbiassph_bf8): Rename to _mm_maskz_cvts_biasph_bf8. (_mm256_cvtbiassph_bf8): Rename to _mm256_cvts_biasph_bf8. (_mm256_mask_cvtbiassph_bf8): Rename to _mm256_mask_cvts_biasph_bf8. (_mm256_maskz_cvtbiassph_bf8): Rename to _mm256_maskz_cvts_biasph_bf8. (_mm_cvtbiassph_hf8): Rename to _mm_cvts_biasph_hf8. (_mm_mask_cvtbiassph_hf8): Rename to _mm_mask_cvts_biasph_hf8. (_mm_maskz_cvtbiassph_hf8): Rename to _mm_maskz_cvts_biasph_hf8. (_mm256_cvtbiassph_hf8): Rename to _mm256_cvts_biasph_hf8. (_mm256_mask_cvtbiassph_hf8): Rename to _mm256_mask_cvts_biasph_hf8. (_mm256_maskz_cvtbiassph_hf8): Rename to _mm256_maskz_cvts_biasph_hf8. (_mm_cvts2ph_bf8): Rename to _mm_cvts_2ph_bf8. (_mm_mask_cvts2ph_bf8): Rename to _mm_mask_cvts_2ph_bf8. (_mm_maskz_cvts2ph_bf8): Rename to _mm_maskz_cvts_2ph_bf8. (_mm256_cvts2ph_bf8): Rename to _mm256_cvts_2ph_bf8. (_mm256_mask_cvts2ph_bf8): Rename to _mm256_mask_cvts_2ph_bf8. (_mm256_maskz_cvts2ph_bf8): Rename to _mm256_maskz_cvts_2ph_bf8. (_mm_cvts2ph_hf8): Rename to _mm_cvts_2ph_hf8. (_mm_mask_cvts2ph_hf8): Rename to _mm_mask_cvts_2ph_hf8. (_mm_maskz_cvts2ph_hf8): Rename to _mm_maskz_cvts_2ph_hf8. (_mm256_cvts2ph_hf8): Rename to _mm256_cvts_2ph_hf8. (_mm256_mask_cvts2ph_hf8): Rename to _mm256_mask_cvts_2ph_hf8. (_mm256_maskz_cvts2ph_hf8): Rename to _mm256_maskz_cvts_2ph_hf8. (_mm_cvtsph_bf8): Rename to _mm_cvts_ph_bf8. (_mm_mask_cvtsph_bf8): Rename to _mm_mask_cvts_ph_bf8. (_mm_maskz_cvtsph_bf8): Rename to _mm_maskz_cvts_ph_bf8. (_mm256_cvtsph_bf8): Rename to _mm256_cvts_ph_bf8. (_mm256_mask_cvtsph_bf8): Rename to _mm256_mask_cvts_ph_bf8. (_mm256_maskz_cvtsph_bf8): Rename to _mm256_maskz_cvts_ph_bf8. (_mm_cvtsph_hf8): Rename to _mm_cvts_ph_hf8. (_mm_mask_cvtsph_hf8): Rename to _mm_mask_cvts_ph_hf8. (_mm_maskz_cvtsph_hf8): Rename to _mm_maskz_cvts_ph_hf8. (_mm256_cvtsph_hf8): Rename to _mm256_cvts_ph_hf8. (_mm256_mask_cvtsph_hf8): Rename to _mm256_mask_cvts_ph_hf8. (_mm256_maskz_cvtsph_hf8): Rename to _mm256_maskz_cvts_ph_hf8. 2025-03-25 Iain Sandoe * gcov.cc (get_gcov_intermediate_filename): Use lbasename(). 2025-03-25 Iain Sandoe PR other/119250 * config.in: Regenerate. * configure: Regenerate. * configure.ac: Match the configure test in libiberty when checking the basename decl. 2025-03-25 Sandra Loosemore Tobias Burnus * gimplify.cc (modify_call_for_omp_dispatch): Adjust arguments. Remove the "sorry" for the case where new interop objects must be constructed, and add code to make it work instead. (expand_variant_call_expr): Adjust arguments and call to modify_call_for_omp_dispatch. (gimplify_variant_call_expr): Simplify logic for calling expand_variant_call_expr. 2025-03-25 Jakub Jelinek PR target/96226 PR target/119428 * config/i386/i386.md (splitter after *3_mask, splitter after *3_mask_1): Revert 2020-12-05 changes. 2025-03-25 Vineet Gupta PR target/119224 * config/riscv/autovec.md: Disable abd splitter. 2025-03-25 Tobias Burnus PR middle-end/119325 * doc/install.texi (gcn): Change ROCm > 6.3.2 to >6.3.3 for generic support; mention Newlib commit that fixes a SIMD math issue. 2025-03-25 Tobias Burnus PR middle-end/118627 * omp-general.cc (omp_parse_access_method): Change to return void. (omp_parse_access_methods): Return void; remove 'if' around a function call. (omp_parse_expr): Remove 'if' around a function call. 2025-03-25 Richard Earnshaw * config/arm/arm.md (mull): Add alternatives that allow Rs to be tied to either Rdlo or Rdhi. 2025-03-25 Richard Earnshaw PR middle-end/117811 * optabs.cc (expand_binop_directly): Remove LAST as an argument, instead record the last insn on entry. Only delete insns if we need to restart and restart by calling ourself, not expand_binop. (expand_binop): Update callers to expand_binop_directly. If it fails to expand the operation, delete back to LAST. 2025-03-25 Jakub Jelinek PR ipa/119376 * tree-tailcall.cc (suitable_for_tail_opt_p): Add DIAG_MUSTTAIL argument, propagate it down to maybe_error_musttail. (suitable_for_tail_call_opt_p): Likewise. (maybe_error_musttail): Add DIAG_MUSTTAIL argument. Don't emit error for gimple_call_must_tail_p calls if it is false. (find_tail_calls): Add DIAG_MUSTTAIL argument, propagate it down to maybe_error_musttail, suitable_for_tail_opt_p, suitable_for_tail_call_opt_p and find_tail_calls calls. (tree_optimize_tail_calls_1): Add DIAG_MUSTTAIL argument, propagate it down to find_tail_calls and if set, clear cfun->has_musttail flag at the end. Rename OPT_MUSTCALL argument to OPT_MUSTTAIL. (execute_tail_calls): Pass true to DIAG_MUSTTAIL tree_optimize_tail_calls_1 argument. (pass_tail_recursion::execute): Pass false to DIAG_MUSTTAIL tree_optimize_tail_calls_1 argument. (pass_musttail::gate): Don't test flag_optimize_sibling_calls. (pass_musttail::execute): Pass true to DIAG_MUSTTAIL tree_optimize_tail_calls_1 argument. 2025-03-24 Andrew Pinski PR tree-optimization/118616 * tree-vect-generic.cc (expand_vector_conversion): Add an assert that converts vect is non empty if supportable_indirect_convert_operation returns true. 2025-03-24 Thomas Schwinge PR target/101544 * config/nvptx/nvptx.cc (nvptx_asm_output_def_from_decls) [ACCEL_COMPILER]: Special-case certain host-setup symbol aliases. * varasm.cc (do_assemble_alias) [ACCEL_COMPILER]: Adjust. 2025-03-24 Thomas Schwinge * config/nvptx/nvptx.cc (default_ptx_version_option): Default at least to '-mptx=6.3'. * doc/invoke.texi (Nvidia PTX Options): Update '-mptx=[...]'. 2025-03-24 Haochen Jiang * common/config/i386/cpuinfo.h (get_available_features): Change to FEATURE_AVX10_1. * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_AVX10_1_512_SET): Renamed to ... (OPTION_MASK_ISA2_AVX10_1_SET): ... this. (OPTION_MASK_ISA2_AVX10_2_SET): Use renamed macro. (OPTION_MASK_ISA2_AVX10_1_UNSET): Ditto. (ix86_handle_option): Ditto. (processor_alias_table): Use P_PROC_AVX10_1. * common/config/i386/i386-cpuinfo.h (enum feature_priority): Rename from AVX10_1_512 to AVX10_1. (enum processor_features): Ditto. * common/config/i386/i386-isas.h: Add avx10.1. * config/i386/driver-i386.cc (host_detect_local_cpu): Use renamed enum. * config/i386/i386-c.cc (ix86_target_macros_internal): Rename to avx10.1. * config/i386/i386-isa.def (AVX10_1_512): Rename to ... (AVX10_1): ... this. * config/i386/i386-options.cc (isa2_opts): Rename to avx10.1. (ix86_valid_target_attribute_inner_p): Add avx10.1. (ix86_option_override_internal): Rename to AVX10_1. Revise warnings to mention behavior change for option combination in GCC 16. * config/i386/i386.h (PTA_DIAMONDRAPIDS): Use AVX10_1. * config/i386/i386.opt: Add avx10.1. Add deprecate warnings for mevex512 and mavx10.1-256/512. * config/i386/i386.opt.urls: Add avx10.1. * doc/extend.texi: Ditto. * doc/sourcebuild.texi: Ditto. 2025-03-24 Haochen Jiang * common/config/i386/cpuinfo.h (get_available_features): Revise the logic AVX10 version. * common/config/i386/i386-common.cc (OPTION_MASK_ISA2_AVX10_2_256_SET): Removed. (OPTION_MASK_ISA2_AVX10_2_512_SET): Ditto. (OPTION_MASK_ISA2_AVX10_2_SET): New. (OPTION_MASK_ISA2_AMX_AVX512_SET): Use AVX10.2 macro. (OPTION_MASK_ISA2_AVX10_2_UNSET): Ditto. (ix86_handle_option): Remove avx10.2-256 part. Adjust avx10.2. * common/config/i386/i386-cpuinfo.h (enum processor_features): Remove FEATURE_AVX10_2_256 and skip the value for it. Change the name from FEATURE_AVX10_2_512 to FEATURE_AVX10_2. * common/config/i386/i386-isas.h: Remove avx10.2-256/512. * config/i386/avx10_2-512bf16intrin.h: Use avx10.2 instead of avx10.2-256/512. * config/i386/avx10_2-512convertintrin.h: Ditto. * config/i386/avx10_2-512mediaintrin.h: Ditto. * config/i386/avx10_2-512minmaxintrin.h: Ditto. * config/i386/avx10_2-512satcvtintrin.h: Ditto. * config/i386/avx10_2bf16intrin.h: Ditto. * config/i386/avx10_2convertintrin.h: Ditto. * config/i386/avx10_2mediaintrin.h: Ditto. * config/i386/avx10_2minmaxintrin.h: Ditto. * config/i386/avx10_2satcvtintrin.h: Ditto. * config/i386/movrsintrin.h: Ditto. * config/i386/sm4intrin.h: Ditto. * config/i386/cpuid.h (bit_AVX10_256): Removed. (bit_AVX10_512): Ditto. * config/i386/driver-i386.cc (host_detect_local_cpu): Adjust Diamond Rapids and -march=native condition. * config/i386/i386-builtin.def (BDESC): Use AVX10.2 macro instead of AVX10.2-256/512. * config/i386/i386-c.cc (ix86_target_macros_internal): Ditto. * config/i386/i386-expand.cc (ix86_expand_branch): Use TARGET_AVX10_2 instead of specifying vector size. (ix86_prepare_fp_compare_args): Ditto. (ix86_expand_fp_compare): Ditto. (ix86_ssecom_setcc): Ditto. (ix86_expand_sse_comi): Ditto. (ix86_expand_sse_comi_round): Ditto. (ix86_check_builtin_isa_match): Ditto. * config/i386/i386.cc (ix86_fp_compare_code_to_integer): Ditto. (ix86_get_mask_mode): Ditto. * config/i386/i386.h (SSE_FLOAT_MODE_SSEMATH_OR_HFBF_P): Ditto. * config/i386/i386.md: Ditto. * config/i386/mmx.md: Ditto. * config/i386/sse.md: Ditto. * config/i386/predicates.md: Ditto. * config/i386/i386-isa.def (AVX10_2_256): Removed. (AVX10_2_512): Removed. (AVX10_2): New. * config/i386/i386-options.cc (isa2_opts): Remove avx10.2-256/512. (ix86_valid_target_attribute_inner_p): Ditto. (PTA_DIAMONDRAPIDS): Use PTA_AVX10_2. * config/i386/i386.opt: Remove avx10.2-256/512. * config/i386/i386.opt.urls: Ditto. * doc/extend.texi: Ditto. * doc/invoke.texi: Ditto. * doc/sourcebuild.texi: Ditto. 2025-03-24 Haochen Jiang Revert: 2024-08-19 Hu, Lin1 * config.gcc: Add avx10_2roundingintrin.h. * config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE. * config/i386/i386-builtin.def (BDESC): Add new builtins. * config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle V4DF_FTYPE_V4DF_V4DF_V4DF_UQI_INT, V8SF_FTYPE_V8SF_V8SF_V8SF_UQI_INT, V16HF_FTYPE_V16HF_V16HF_V16HF_UHI_INT, UQI_FTYPE_V4DF_V4DF_INT_UQI_INT, UHI_FTYPE_V16HF_V16HF_INT_UHI_INT, UQI_FTYPE_V8SF_V8SF_INT_UQI_INT. * config/i386/immintrin.h: Include avx10_2roundingintrin.h. * config/i386/sse.md: Change subst_attr name due to renaming. * config/i386/subst.md: (): Add condition check for avx10.2 rounding control 256bit intrins and renamed to ... (): ...this. (round_saeonly_mode512bit_condition): Add condition check for avx10.2 rounding control 256 bit intris and renamed to ... (round_saeonly_mode_condition): ...this. * config/i386/avx10_2roundingintrin.h: New file. 2025-03-24 Haochen Jiang Revert: 2024-08-19 Hu, Lin1 * config/i386/avx10_2roundingintrin.h: Add new intrins. * config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE. * config/i386/i386-builtin.def (BDESC): Add new builtins. * config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle V8SF_FTYPE_V8SI_V8SF_UQI_INT, V4SF_FTYPE_V4DF_V4SF_UQI_INT, V8HF_FTYPE_V8SI_V8HF_UQI_INT, V8HF_FTYPE_V4DF_V8HF_UQI_INT. * config/i386/sse.md: (avx512fp16_vcvt2ph_): Add condition check. (avx512fp16_vcvtpd2ph_v4df_mask_round): New expand. (*avx512fp16_vcvt2ph__mask): Change name to avx512fp16_vcvt2ph__mask_1 and extend pattern to generate 256bit insns. (avx_cvtpd2ps256): Change name to avx_cvtpd2ps256 and extend pattern to generate 256bit insns. * config/i386/subst.md (round_applied): New condition. (round_suff): New iterator. (round_mode_condition): Add V32HI check for 512bit. (round_saeonly_mode_condition): Ditto. 2025-03-24 Haochen Jiang Revert: 2024-08-19 Hu, Lin1 * config/i386/avx10_2roundingintrin.h: Add new intrins. * config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE. * config/i386/i386-builtin.def (BDESC): Add new builtins. * config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle V4DI_FTYPE_V4DF_V4DI_UQI_INT, V4SI_FTYPE_V4DF_V4SI_UQI_INT. * config/i386/sse.md: (avx_cvtpd2dq256): Change name to avx_cvtpd2dq256 and extend pattern to generate 256bit insns. (fixuns_notrunc2): Add round_mode_condition. * config/i386/subst.md (round_pd2udqsuff): New iterator. 2025-03-24 Haochen Jiang Revert: 2024-08-19 Hu, Lin1 * config/i386/avx10_2roundingintrin.h: New intrins. * config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE. * config/i386/i386-builtin.def (BDESC): Add new builtins. * config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle V8SF_FTYPE_V8HF_V8SF_UQI_INT, V8SI_FTYPE_V8HF_V8SI_UQI_INT, V4DF_FTYPE_V8HF_V4DF_UQI_INT, V4DI_FTYPE_V8HF_V4DI_UQI_INT. * config/i386/sse.md: (avx512fp16_float_extend_ph2): Add condition check. (avx512fp16_vcvtph2_