2021-01-18 Vladimir N. Makarov PR target/97847 * ira.c (ira): Skip abnormal critical edge splitting. 2021-01-18 Jakub Jelinek PR tree-optimization/98727 * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of second .MUL_OVERFLOW operand for signed multiplication with overflow checking if the second operand of multiplication is not constant. 2021-01-18 David Edelsohn * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX defaults to version 4. 2021-01-18 David Malcolm * attribs.h (fndecl_dealloc_argno): New decl. * builtins.c (call_dealloc_argno): Split out second half of function into... (fndecl_dealloc_argno): New. * doc/extend.texi (Common Function Attributes): Document the interaction between the analyzer and the malloc attribute. * doc/invoke.texi (Static Analyzer Options): Likewise. 2021-01-17 David Edelsohn * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override dwarf_version to 4. * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same. 2021-01-17 Martin Jambor PR ipa/98222 * cgraph.c (clone_of_p): Check also former_clone_of as we climb the clone tree. 2021-01-17 Mark Wielaard * common.opt (gdwarf-): Init(5). * doc/invoke.texi (-gdwarf): Document default to 5. 2021-01-16 Kwok Cheung Yeung * builtin-types.def (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename to... (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR): ...this. Add extra argument. * gimplify.c (omp_default_clause): Ensure that event handle is firstprivate in a task region. (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH. (gimplify_adjust_omp_clauses): Likewise. * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR. * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags if detach clause specified. Add detach argument when generating call to GOMP_task. * omp-low.c (scan_sharing_clauses): Setup data environment for detach clause. (finish_taskreg_scan): Move field for variable containing the event handle to the front of the struct. * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH. Fix ordering. * tree-nested.c (convert_nonlocal_omp_clauses): Handle OMP_CLAUSE_DETACH clause. (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause. * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH. * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH. Fix ordering. (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH. Fix ordering. (walk_tree_1): Handle OMP_CLAUSE_DETACH. 2021-01-16 Sebastian Huber * config/nios2/t-rtems: Reset all MULTILIB_* variables. Shorten multilib directory names. Use MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS. Add -mhw-mul -mhw-mulx -mhw-div -mcustom-fpu-cfg=fph2 multilib. 2021-01-16 Sebastian Huber * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value. (nios2_init_fpu_configs): Provide register values for new -mcustom-fpu-cfg=fph2 option variant. * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option variant. 2021-01-16 Sebastian Huber * config/nios2/nios2.c (nios2_custom_check_insns): Remove custom instruction warnings. 2021-01-16 Jakub Jelinek PR tree-optimization/96669 * match.pd ((CST << x) & 1 -> x == 0): New simplification. 2021-01-16 Jakub Jelinek PR tree-optimization/96271 * passes.def: Pass false argument to first two pass_cd_dce instances and true to last instance. Add comment that last instance rewrites no longer addressed locals. * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and initialize it. (pass_cd_dce::set_pass_param): New method. (pass_cd_dce::execute): Return TODO_update_address_taken from last cd_dce instance. 2021-01-15 Carl Love * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod): New defines. * config/rs6000/altivec.md (VIlong): Move define to file vsx.md. * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI, DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI, DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI, MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI): Add builtin define. (MULH, DIVE, MOD): Add new BU_P10_OVERLOAD_2 definitions. * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV, VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH): New overloaded definitions. (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI, P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI, P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI, P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI, P10V_BUILTIN_MULHU_V4SI]: Add case statement for builtins. * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI. * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md. (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions. (vsx_mul_v2di): Add if TARGET_POWER10 statement. (vsx_udiv_v2di): Add if TARGET_POWER10 statement. (dives_, diveu_, div3, uvdiv3, mods_, modu_, mulhs_, mulhu_, mulv2di3): Add define_insn, mode is VIlong. * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod): Add builtin descriptions. 2021-01-15 Eric Botcazou * final.c (final_start_function_1): Reset force_source_line. 2021-01-15 Jakub Jelinek PR tree-optimization/96669 * match.pd (((1 << A) & 1) != 0 -> A == 0, ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by possibly different power of two constants and to right shift too. 2021-01-15 Jakub Jelinek PR tree-optimization/96681 * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification. ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise. ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise. ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise. 2021-01-15 Alexandre Oliva * opts.c (gen_command_line_string): Exclude -dumpbase-ext. 2021-01-15 Tamar Christina * config/aarch64/aarch64-simd.md (cml4, cmul3): New. * config/aarch64/iterators.md (UNSPEC_FCMUL, UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ, UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180, FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1, sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New. (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180. (rot_op): Renamed to conj_op. * config/aarch64/aarch64-sve.md (cml4, cmul3): New. * config/aarch64/aarch64-sve2.md (cml4, cmul3): New. 2021-01-15 David Malcolm PR bootstrap/98696 * diagnostic.c (selftest::test_print_parseable_fixits_bytes_vs_display_columns): Escape the tempfile name when constructing the expected output. 2021-01-15 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (*aarch64_mlsl_hi): Rename to... (aarch64_mlsl_hi): ... This. (aarch64_mlsl_hi): Define. (*aarch64_mlslmlsl * config/i386/i386-c.c (ix86_target_macros): Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition. 2021-01-15 Richard Sandiford PR target/88836 * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs. * Makefile.in (RTL_SSA_H): New variable. * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule. * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare. * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after pass_combine. * config/aarch64/aarch64-cc-fusion.cc: New file. 2021-01-15 Richard Sandiford * recog.h (insn_change_watermark::~insn_change_watermark): Avoid calling cancel_changes for changes that no longer exist. 2021-01-15 Richard Sandiford * rtl-ssa/functions.h (function_info::ref_defs): Rename to... (function_info::reg_defs): ...this. * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to... (function_info::reg_defs): ...this. 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Christophe Lyon Revert: 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Richard Biener PR tree-optimization/96376 * tree-vect-stmts.c (get_load_store_type): Disregard alignment for VMAT_INVARIANT. 2021-01-15 Martin Liska * doc/install.texi: Document that some tests need pytest module. * doc/sourcebuild.texi: Likewise. 2021-01-15 Christophe Lyon PR target/71233 * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New. 2021-01-15 Christophe Lyon * config/arm/mve.md (mve_vshrq_n_s_imm): New entry. (mve_vshrq_n_u_imm): Likewise. * config/arm/neon.md (vashr3, vlshr3): Move to ... * config/arm/vec-common.md: ... here. 2021-01-15 Christophe Lyon * config/arm/mve.md (mve_vshlq_): Move to vec-commond.md. * config/arm/neon.md (vashl3): Delete. * config/arm/vec-common.md (mve_vshlq_): New. (vasl3): New expander. 2021-01-15 Richard Biener PR tree-optimization/98685 * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling of vector extern defs. 2021-01-14 David Malcolm PR jit/98586 * diagnostic.c (diagnostic_kind_text): Break out this array from... (diagnostic_build_prefix): ...here. (fancy_abort): Detect when diagnostic_initialize has not yet been called and fall back to a minimal implementation of printing the ICE, rather than segfaulting in internal_error. 2021-01-14 David Malcolm * diagnostic.c (diagnostic_initialize): Eliminate parseable_fixits_p in favor of initializing extra_output_kind from GCC_EXTRA_DIAGNOSTIC_OUTPUT. (convert_column_unit): New function, split out from... (diagnostic_converted_column): ...this. (print_parseable_fixits): Add "column_unit" and "tabstop" params. Use them to call convert_column_unit on the column values. (diagnostic_report_diagnostic): Eliminate conditional on parseable_fixits_p in favor of a switch statement on extra_output_kind, passing the appropriate values to the new params of print_parseable_fixits. (selftest::test_print_parseable_fixits_none): Update for new params of print_parseable_fixits. (selftest::test_print_parseable_fixits_insert): Likewise. (selftest::test_print_parseable_fixits_remove): Likewise. (selftest::test_print_parseable_fixits_replace): Likewise. (selftest::test_print_parseable_fixits_bytes_vs_display_columns): New. (selftest::diagnostic_c_tests): Call it. * diagnostic.h (enum diagnostics_extra_output_kind): New. (diagnostic_context::parseable_fixits_p): Delete field in favor of... (diagnostic_context::extra_output_kind): ...this new field. * doc/invoke.texi (Environment Variables): Add GCC_EXTRA_DIAGNOSTIC_OUTPUT. * opts.c (common_handle_option): Update handling of OPT_fdiagnostics_parseable_fixits for change to diagnostic_context fields. 2021-01-14 Tamar Christina * tree-vect-slp-patterns.c (class complex_operations_pattern, complex_operations_pattern::matches, complex_operations_pattern::recognize, complex_operations_pattern::build): New. (slp_patterns): Use it. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New. * optabs.def (cmls_optab, cmls_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (class complex_fms_pattern, complex_fms_pattern::matches, complex_fms_pattern::recognize, complex_fms_pattern::build): New. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New. * optabs.def (cmla_optab, cmla_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (vect_match_call_p, class complex_fma_pattern, vect_slp_reset_pattern, complex_fma_pattern::matches, complex_fma_pattern::recognize, complex_fma_pattern::build): New. 2021-01-14 Tamar Christina * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New. * optabs.def (cmul_optab, cmul_conj_optab): New. * doc/md.texi: Document them. * tree-vect-slp-patterns.c (vect_match_call_complex_mla, vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication, vect_build_combine_node, class complex_mul_pattern, complex_mul_pattern::matches, complex_mul_pattern::recognize, complex_mul_pattern::build): New. 2021-01-14 Tamar Christina * tree-vect-slp.c (optimize_load_redistribution_1): New. (optimize_load_redistribution, vect_is_slp_load_node): New. (vect_match_slp_patterns): Use it. 2021-01-14 Tamar Christina * tree-vect-slp-patterns.c (complex_add_pattern::build): Elide nodes. 2021-01-14 Thomas Schwinge * config/gcn/mkoffload.c (main): Create an offload image only in 64-bit configurations. 2021-01-14 H.J. Lu PR target/98667 * config/i386/i386-options.c (ix86_option_override_internal): Issue an error for -fcf-protection with CF_BRANCH when compiling for 32-bit non-TARGET_CMOV targets. 2021-01-14 Uroš Bizjak PR target/98671 * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p): Remove declaration and initialization of shadow variable "ret". (ix86_option_override_internal): Remove delcaration of shadow variable "i". Redeclare shadowed variable to unsigned. * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned. * config/i386/i386-builtins.c (get_builtin_code_for_version): Update for redeclaration. * config/i386/i386.h (pta_size): Ditto. 2021-01-14 Richard Biener PR tree-optimization/98674 * tree-data-ref.c (base_supports_access_fn_components_p): New. (initialize_data_dependence_relation): For two bases without possible access fns resort to type size equality when determining shape compatibility. 2021-01-14 Prathamesh Kulkarni PR target/66791 * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by <=, >= operators in vcle and vcge intrinsics respectively. * config/arm/arm_neon_builtins.def: Remove entry for vcge and vcgeu. 2021-01-14 Uroš Bizjak PR target/98671 * config/i386/i386-options.c (ix86_function_specific_save): Remove redundant assignment to opts->x_ix86_branch_cost. * config/i386/i386.c (ix86_prefetch_sse): Rename from x86_prefetch_sse. Update all uses. * config/i386/i386.h: Update for rename. * config/i386/i386-options.h: Ditto. 2021-01-14 Jakub Jelinek PR target/98670 * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3, *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3): Use Bm instead of m for non-avx. Add isa attribute. 2021-01-14 Jakub Jelinek PR tree-optimization/96688 * match.pd (~(X >> Y) -> ~X >> Y): New simplification if ~X can be simplified. 2021-01-14 Richard Sandiford * tree-vect-stmts.c (vect_model_load_cost): Account for unused IFN_LOAD_LANES results. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_xtl): Define. (aarch64_xtn): Likewise. * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn): Define builtins. * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using builtin. (vmovl_s16): Likewise. (vmovl_s32): Likewise. (vmovl_u8): Likewise. (vmovl_u16): Likewise. (vmovl_u32): Likewise. (vmovn_s16): Likewise. (vmovn_s32): Likewise. (vmovn_s64): Likewise. (vmovn_u16): Likewise. (vmovn_u32): Likewise. (vmovn_u64): Likewise. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_qxtn2_le): Define. (aarch64_qxtn2_be): Likewise. (aarch64_qxtn2): Likewise. * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2): Define builtins. * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator. (su): Handle ss_truncate and us_truncate. * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using builtin. (vqmovn_high_s32): Likewise. (vqmovn_high_s64): Likewise. (vqmovn_high_u16): Likewise. (vqmovn_high_u32): Likewise. (vqmovn_high_u64): Likewise. 2021-01-14 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_xtn2_le): Define. (aarch64_xtn2_be): Likewise. (aarch64_xtn2): Likewise. * config/aarch64/aarch64-simd-builtins.def (xtn2): Define builtins. * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using builtins. (vmovn_high_s32): Likewise. (vmovn_high_s64): Likewise. (vmovn_high_u16): Likewise. (vmovn_high_u32): Likewise. (vmovn_high_u64): Likewise. 2021-01-13 Stafford Horne * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro. 2021-01-13 Stafford Horne * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro. 2021-01-13 Stafford Horne * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin define for __or1k_hard_float__. 2021-01-13 Stafford Horne * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1. (PROFILE_HOOK): Define to call _mcount. (FUNCTION_PROFILER): Change from abort to no-op. 2021-01-13 Jakub Jelinek PR tree-optimization/96691 * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C), (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if (~D ^ C) or (D ^ C) can be simplified. 2021-01-13 Richard Biener PR tree-optimization/92645 * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization until after vector lowering. 2021-01-13 Richard Sandiford * config/aarch64/aarch64-sve.md (fnma4): Extend from SVE_FULL_I to SVE_I. (@aarch64_pred_fnma, cond_fnma, *cond_fnma_2) (*cond_fnma_4, *cond_fnma_any): Likewise. 2021-01-13 Richard Sandiford * config/aarch64/aarch64-sve.md (fma4): Extend from SVE_FULL_I to SVE_I. (@aarch64_pred_fma, cond_fma, *cond_fma_2) (*cond_fma_4, *cond_fma_any): Likewise. 2021-01-13 Richard Biener PR tree-optimization/92645 * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported BIT_FIELD_REF argument. (vect_build_slp_tree_2): Record the desired vector type on the external vector def. (vectorizable_slp_permutation): Handle required punning of existing vector defs. 2021-01-13 Richard Sandiford * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results. 2021-01-13 Richard Sandiford * config/sh/sh.md (movsf_ie): Remove operands[2] test. 2021-01-13 Samuel Thibault * config.gcc [$target == *-*-gnu*]: Enable 'default_gnu_indirect_function'. 2021-01-13 Jakub Jelinek PR target/95905 * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into registers before calling targetm.vectorize.vec_perm_const, only after that. * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle two argument permutation when one operand is zero vector and only after that force operands into registers. * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New define_insn_and_split pattern. (*avx512bw_zero_extendv32qiv32hi2_1): Likewise. (*avx512f_zero_extendv16hiv16si2_1): Likewise. (*avx2_zero_extendv8hiv8si2_1): Likewise. (*avx512f_zero_extendv8siv8di2_1): Likewise. (*avx2_zero_extendv4siv4di2_1): Likewise. * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands into registers. * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise. * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise. * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise. * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise. * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise. * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise. Use std::swap. 2021-01-13 Martin Liska PR tree-optimization/98455 * gimple-if-to-switch.cc (condition_info::record_phi_mapping): Record also virtual PHIs. (pass_if_to_switch::execute): Return TODO_cleanup_cfg only conditionally. 2021-01-13 Jonathan Wakely * doc/invoke.texi (C++ Modules): Fix typos. 2021-01-13 Richard Biener PR tree-optimization/98640 * tree-ssa-sccvn.c (visit_nary_op): Do not try to handle plus or minus from a truncated operand to be sign-extended. 2021-01-13 Jakub Jelinek PR target/96938 * config/i386/i386.md (*btr_1, *btr_2): New define_insn_and_split patterns. (splitter after *btr_2): New splitter. 2021-01-13 Martin Liska PR ipa/98652 * cgraphunit.c (analyze_functions): Remove dead code. 2021-01-13 Qian Jianhua * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New. * config/aarch64/aarch64.c (a64fx_addrcost_table): New. (a64fx_regmove_cost, a64fx_vector_cost): New. (a64fx_tunings): Use the new added cost tables. 2021-01-13 Jakub Jelinek PR target/95905 * config/i386/predicates.md (pmovzx_parallel): New predicate. * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New define_insn_and_split pattern. (*sse4_1_zero_extendv4hiv4si2_3): Likewise. (*sse4_1_zero_extendv2siv2di2_3): Likewise. 2021-01-13 Julian Brown * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code to fix v0 register. 2021-01-13 Julian Brown * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live on entry to a BB. 2021-01-13 Julian Brown * config/gcn/gcn-valu.md (recip2, recip2): Use unspec for reciprocal-approximation instructions. (div3): Use fused multiply-accumulate operations for reciprocal refinement and division result. * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant. 2021-01-13 Julian Brown * config/gcn/gcn-valu.md (subdf): Rename to... (subdf3): This. 2021-01-12 Martin Liska * gcov.c (source_info::debug): Fix printf format for 32-bit hosts. 2021-01-12 Andrea Corallo * function-abi.h: Fix typo. 2021-01-12 Christophe Lyon PR target/97875 PR target/97875 * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro. (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise. (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise. (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise. (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise. (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise. (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise. (ARM_HAVE_NEON_V2DI_LDST): Likewise. (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise. (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise. (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise. (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise. (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise. (ARM_HAVE_V2DI_LDST): Likewise. * config/arm/mve.md (*movmisalign_mve_store): New pattern. (*movmisalign_mve_load): New pattern. * config/arm/neon.md (movmisalign): Move to ... * config/arm/vec-common.md: ... here. 2021-01-12 Vladimir N. Makarov PR target/97969 * lra-eliminations.c (eliminate_regs_in_insn): Add transformation of pattern 'plus (plus (hard reg, const), pseudo)'. 2021-01-12 Richard Biener PR tree-optimization/98550 * tree-vect-slp.c (vect_record_max_nunits): Check whether the group size is a multiple of the vector element count. (vect_build_slp_tree_1): When we need to fail because the vector type choosen causes unrolling do so lazily without affecting matches only at the end to guide group splitting. 2021-01-12 Martin Liska PR c++/97284 * optc-save-gen.awk: Compare also n_target_save vars with strcmp. 2021-01-12 Martin Liska * gcov.c (source_info::debug): New. (print_usage): Add --debug (-D) option. (process_args): Likewise. (generate_results): Call src->debug after accumulate_line_counts. (read_graph_file): Properly assign id for EXIT_BLOCK. * profile.c (branch_prob): Dump function body before it is instrumented. 2021-01-12 Jakub Jelinek PR tree-optimization/98629 * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt unless returning non-zero. 2021-01-12 Jakub Jelinek PR tree-optimization/95731 * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z. (optimize_range_tests): Call optimize_range_tests_cmp_bitwise only after optimize_range_tests_var_bound. 2021-01-12 Jakub Jelinek * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@. * configure: Regenerated. 2021-01-12 liuhongt PR target/98612 * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS): Deleted. * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete dead code. 2021-01-12 Alexandre Oliva * ssa-iterators.h (end_imm_use_stmt_traverse): Forward declare. (auto_end_imm_use_stmt_traverse): New struct. (FOR_EACH_IMM_USE_STMT): Use it. (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove, along with uses... * gimple-ssa-strength-reduction.c: ... here, ... * graphite-scop-detection.c: ... here, ... * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ... * tree-predcom.c, tree-ssa-ccp.c: ... here, ... * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ... * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ... * tree-ssa-phiprop.c, tree-ssa.c: ... here, ... * tree-vect-slp.c: ... and here, ... * doc/tree-ssa.texi: ... and the example here. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (sdiv_pow23): Extend from SVE_FULL_I to SVE_I. Generate an UNSPEC_PRED_X. (*sdiv_pow23): New pattern. (@cond_): Extend from SVE_FULL_I to SVE_I. Wrap the ASRD in an UNSPEC_PRED_X. (*cond__2): Likewise. Replace the UNSPEC_PRED_X predicate with a constant PTRUE, if it isn't already. (*cond__z): Replace with... (*cond__any): ...this new pattern. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (*cond_bic_2): Extend from SVE_FULL_I to SVE_I. (*cond_bic_any): Likewise. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (mul3_highpart) (@aarch64_pred_): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (abd_3): Extend from SVE_FULL_I to SVE_I. (*aarch64_cond_abd_2): Likewise. (*aarch64_cond_abd_any): Likewise. (@aarch64_pred_abd): Likewise. Use UNSPEC_PRED_X for the max and min but not for the minus. (*aarch64_cond_abd_3): New pattern. 2021-01-11 Richard Sandiford * config/aarch64/iterators.md (SVE_24I): New iterator. * config/aarch64/aarch64-sve.md (*aarch64_adr_shift): Extend from SVE_FULL_SDI to SVE_24I. Use containers rather than elements. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (@cond_) (*cond__2): Extend from SVE_FULL_I to SVE_I. (*cond__3): Likewise. (*cond__any): Likewise. (*cond__2_const): Likewise. (*cond__any_const): Likewise. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (3) (@aarch64_pred_) (*post_ra_3): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Richard Sandiford * config/aarch64/aarch64-sve.md (3) (v3, @aarch64_pred_) (*post_ra_v3): Extend from SVE_FULL_I to SVE_I. 2021-01-11 Martin Liska PR jit/98615 * symtab-clones.h (clone_info::release): Release symtab::m_clones with ggc_delete as it's a GGC memory. 2021-01-11 Matthias Klose * Makefile.in (LINK_PROGRESS): Show the link target. 2021-01-11 Richard Biener PR tree-optimization/91403 * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap single-element interleaving group size at 4096 elements. 2021-01-11 Richard Biener PR tree-optimization/98526 * tree-vect-loop.c (vect_model_reduction_cost): Remove costing of the actual reduction op for the regular case. (vectorizable_reduction): Cost the stmts vect_transform_reduction produces here. 2021-01-11 Andreas Krebbel * tree-ssa-forwprop.c (simplify_vector_constructor): For big-endian, use UNPACK[_FLOAT]_HI. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (class complex_pattern, class complex_add_pattern): Add parameters to matches. (complex_add_pattern::build): Free memory. (complex_add_pattern::matches): Move validation end of match. (complex_add_pattern::recognize): Likewise. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (linear_loads_p): Fix externals. 2021-01-11 Tamar Christina * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity. 2021-01-11 Jakub Jelinek PR tree-optimization/95867 * tree-ssa-math-opts.h: New header. * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h. (powi_as_mults): No longer static. Use build_one_cst instead of build_real. Formatting fix. * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h. (attempt_builtin_powi): Handle multiplication reassociation without powi_fndecl using powi_as_mults. (reassociate_bb): For integral types don't require -funsafe-math-optimizations to call attempt_builtin_powi. 2021-01-11 Jakub Jelinek PR tree-optimization/95852 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change mul_stmts parameter type to vec &. Before cond_stmt allow in the bb any of the stmts in that vector, div_stmt and up to 3 cast stmts. (arith_cast_equal_p): New function. (arith_overflow_check_p): Add cast_stmt argument, handle signed multiply overflow checks. (match_arith_overflow): Adjust caller. Handle signed multiply overflow checks. 2021-01-11 Jakub Jelinek PR tree-optimization/95852 * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function. (uaddsub_overflow_check_p): Renamed to ... (arith_overflow_check_p): ... this. Handle also multiplication with overflow check. (match_uaddsub_overflow): Renamed to ... (match_arith_overflow): ... this. Add cfg_changed argument. Handle also multiplication with overflow check. Adjust function comment. (math_opts_dom_walker::after_dom_children): Adjust callers. Call match_arith_overflow also for MULT_EXPR. 2021-01-11 Kyrylo Tkachov * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using __builtin_convertvector. (vmovl_s16): Likewise. (vmovl_s32): Likewise. (vmovl_u8): Likewise. (vmovl_u16): Likewise. (vmovl_u32): Likewise. (vmovn_s16): Likewise. (vmovn_s32): Likewise. (vmovn_s64): Likewise. (vmovn_u16): Likewise. (vmovn_u32): Likewise. (vmovn_u64): Likewise. 2021-01-11 Martin Liska * gimple-if-to-switch.cc (struct condition_info): Use auto_var. (if_chain::is_beneficial): Delete clusters (find_conditions): Make second argument of conditions_in_bbs a pointer so that we control over it's lifetime. (pass_if_to_switch::execute): Delete them. 2021-01-11 Kewen Lin * ira.c (move_unallocated_pseudos): Check other_reg and skip if it isn't set. 2021-01-09 Maciej W. Rozycki * config/vax/vax.md (cc): Remove mode attribute. (subst_, subst_f): Rename to... (subst_, subst_f): ... these respectively. (*cbranch4_): Update for `cc' removal. (*cbranch4_): Likewise. (*branch_, *branch__reversed): Likewise. 2021-01-09 Maciej W. Rozycki * config/vax/vax.md (subst_f): Add mode to operands and `const_double_zero'. 2021-01-09 Maciej W. Rozycki * config/pdp11/pdp11.md (PDPfp): New mode iterator. (fcc_cc, fcc_ccnz): Use it. Add mode to `const_double_zero' and operands. 2021-01-09 Maciej W. Rozycki * genemit.c (gen_exp) : Handle `const_double_zero' rtx. * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode with `const_double_zero'. * doc/rtl.texi (Constant Expression Types): Document it. 2021-01-09 Jakub Jelinek PR c++/98556 * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of POINTER_DIFF_EXPR to be any integral type. 2021-01-09 Jakub Jelinek PR rtl-optimization/98603 * function.c (instantiate_virtual_regs_in_insn): For asm goto with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL if any, set ASM_OPERANDS mode to VOIDmode and change ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX. 2021-01-09 Alexandre Oliva PR debug/97714 * final.c (notice_source_line): Narrow down the condition to skip a line-0 marker. 2021-01-08 Sergei Trofimovich * ipa-modref.c (merge_call_side_effects): Fix linebreak split by reordering two print calls. 2021-01-08 Ilya Leoshkevich * config/s390/vector.md (*tf_to_fprx2_0): Rename from "*mov_tf_to_fprx2_0" for consistency, fix constraint. (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for consistency, fix constraint. 2021-01-08 Ilya Leoshkevich * config/s390/s390-c.c (s390_def_or_undef_macro): Accept callables instead of mask values. (struct target_flag_set_p): New predicate. (s390_cpu_cpp_builtins_internal): Define or undefine __LONG_DOUBLE_VX__ macro. 2021-01-08 H.J. Lu PR target/98482 * config/i386/i386.c (x86_function_profiler): Use R10 and R11 to call mcount in large model with PIC for NO_PROFILE_COUNTERS targets. 2021-01-08 Richard Biener * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table. 2021-01-08 Richard Biener * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix. (vect_build_slp_tree): On cache hit release the matched scalar stmts vector. * tree-vect-stmts.c (vectorizable_store): Properly free vec_oprnds before possibly gathering them again. 2021-01-08 Richard Biener PR tree-optimization/98544 * tree-vect-slp.c (vect_optimize_slp): Always materialize permutes at a permute node. 2021-01-08 H.J. Lu PR target/98482 * config/i386/i386.c (x86_function_profiler): Use R10 to call mcount in large model. Sorry for large model with PIC. 2021-01-08 Jakub Jelinek PR target/98585 * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg, ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm, ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of TargetSave and initialize for variables with enum types. (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=, mstack-protector-guard-symbol=): Add Save. * config/i386/i386-options.c (ix86_function_specific_save, ix86_function_specific_restore): Don't save or restore x_ix86_cmodel, x_ix86_incoming_stack_boundary_arg, x_ix86_pmode, x_ix86_preferred_stack_boundary_arg, x_ix86_regparm, x_ix86_veclibabi_type. 2021-01-08 Richard Sandiford * config/aarch64/aarch64-sve.md (*cnot): Extend from SVE_FULL_I to SVE_I. (*cond_cnot_2, *cond_cnot_any): Likewise. 2021-01-08 Richard Sandiford * config/aarch64/aarch64-sve.md (*cond_uxt_2): Extend from SVE_FULL_I to SVE_I. (*cond_uxt_any): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/iterators.md (Vwhalf): New iterator. * config/aarch64/aarch64-simd.md (aarch64_adalp_3): Rename to... (aarch64_adalp): ... This. Make more builtin-friendly. (sadv16qi): Adjust callsite of the above. * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New builtins. * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using builtins. (vpadal_s16): Likewise. (vpadal_u8): Likewise. (vpadal_u16): Likewise. (vpadalq_s8): Likewise. (vpadalq_s16): Likewise. (vpadalq_s32): Likewise. (vpadalq_u8): Likewise. (vpadalq_u16): Likewise. (vpadalq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aarch64_abd_3): Rename to... (aarch64_abd): ... This. (sadv16qi): Adjust callsite of the above. * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define builtins. * config/aarch64/arm_neon.h (vabd_s8): Reimplement using builtin. (vabd_s16): Likewise. (vabd_s32): Likewise. (vabd_u8): Likewise. (vabd_u16): Likewise. (vabd_u32): Likewise. (vabdq_s8): Likewise. (vabdq_s16): Likewise. (vabdq_s32): Likewise. (vabdq_u8): Likewise. (vabdq_u16): Likewise. (vabdq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define builtins. * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin. (vaba_s16): Likewise. (vaba_s32): Likewise. (vaba_u8): Likewise. (vaba_u16): Likewise. (vaba_u32): Likewise. (vabaq_s8): Likewise. (vabaq_s16): Likewise. (vabaq_s32): Likewise. (vabaq_u8): Likewise. (vabaq_u16): Likewise. (vabaq_u32): Likewise. 2021-01-08 Kyrylo Tkachov * config/aarch64/aarch64-simd.md (aba_3): Rename to... (aarch64_aba): ... This. Handle uaba as well. Change RTL pattern to match. 2021-01-08 Kito Cheng * common/config/riscv/riscv-common.c (riscv_current_subset_list): New. * config/riscv/riscv-c.c (riscv-subset.h): New. (INCLUDE_STRING): Define. (riscv_cpu_cpp_builtins): Add new style architecture extension test macros. * config/riscv/riscv-subset.h (riscv_subset_list::begin): New. (riscv_subset_list::end): New. (riscv_current_subset_list): New. 2021-01-08 Kito Cheng * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION): Move to riscv-subset.h. (struct riscv_subset_t): Ditto. (class riscv_subset_list): Ditto. * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move from riscv-common.c. (struct riscv_subset_t): Ditto. (class riscv_subset_list): Ditto. * config/riscv/t-riscv ($(common_out_file)): Add file dependency. 2021-01-07 Jakub Jelinek PR target/98567 * config/i386/i386.md (*bmi_blsi__cmp, *bmi_blsi__ccno): New define_insn patterns. 2021-01-07 Richard Sandiford * config/aarch64/aarch64-sve.md (@cond_) (*cond__2): Extend from SVE_FULL_I to SVE_I. (*cond__any): Likewise. 2021-01-07 Richard Sandiford PR tree-optimization/98560 * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond. * internal-fn.c (vec_cond_mask_direct): Get the data mode from argument 1. (vec_cond_direct): Likewise argument 2. (vec_condu_direct, vec_condeq_direct): Delete. (expand_vect_cond_optab_fn): Rename to... (expand_vec_cond_optab_fn): ...this, replacing old macro. (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete. (expand_vect_cond_mask_optab_fn): Rename to... (expand_vec_cond_mask_optab_fn): ...this, replacing old macro. (direct_vec_cond_mask_optab_supported_p): Treat the optab as a convert optab. (direct_vec_cond_optab_supported_p): Likewise. (direct_vec_condu_optab_supported_p): Delete. (direct_vec_condeq_optab_supported_p): Delete. * gimple-isel.cc: Include internal-fn.h. (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported before using it. 2021-01-07 Richard Sandiford PR tree-optimization/98560 * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK. 2021-01-07 Uroš Bizjak * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn, rotate_insn and optab code attributes. Update all uses to merged code attribute. * config/i386/sse.md: Update all uses to merged code attribute. * config/i386/mmx.md: Update all uses to merged code attribute. 2021-01-07 Jakub Jelinek PR tree-optimization/98568 * gimple-ssa-store-merging.c (bswap_view_convert): New function. (bswap_replace): Use it. 2021-01-06 Vladimir N. Makarov PR rtl-optimization/97978 * lra-int.h (lra_hard_reg_split_p): New external. * lra.c (lra_hard_reg_split_p): New global. (lra): Set up lra_hard_reg_split_p after splitting a hard reg. * lra-assigns.c (lra_assign): Don't check allocation correctness after hard reg splitting. 2021-01-06 Martin Sebor PR c++/98305 * builtins.c (new_delete_mismatch_p): New overload. (new_delete_mismatch_p (tree, tree)): Call it. 2021-01-06 Alexandre Oliva * Makefile.in (T_GLIMITS_H): New. (stmp-int-hdrs): Depend on it, use it. * config/t-vxworks (T_GLIMITS_H): Override it. (vxw-glimits.h): New. 2021-01-06 Richard Biener PR tree-optimization/98513 * value-range.cc (intersect_ranges): Compare the upper bounds for the expected relation. 2021-01-06 Gerald Pfeifer Revert: 2020-12-28 Gerald Pfeifer * doc/standards.texi (HSAIL): Remove section. 2021-01-05 Samuel Thibault * configure: Re-generate. 2021-01-05 Jakub Jelinek * doc/invoke.texi (-std=c++20): Adjust for the publication of ISO 14882:2020 standard. * doc/standards.texi: Likewise. 2021-01-05 Jakub Jelinek PR tree-optimization/94802 * expr.h (maybe_optimize_sub_cmp_0): Declare. * expr.c: Include tree-pretty-print.h and flags.h. (maybe_optimize_sub_cmp_0): New function. (do_store_flag): Use it. * cfgexpand.c (expand_gimple_cond): Likewise. 2021-01-05 Richard Sandiford * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents. * rtlanal.c (simple_regno_set): Tweak description to clarify the RMW condition. 2021-01-05 Richard Biener PR tree-optimization/98516 * tree-vect-slp.c (vect_optimize_slp): Permute the incoming lanes when materializing on a VEC_PERM node. (vectorizable_slp_permutation): Dump the permute properly. 2021-01-05 Richard Biener * tree-vect-slp.c (vect_slp_region): Move debug counter to cover individual subgraphs. 2021-01-05 Richard Biener PR tree-optimization/98428 * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject vector lane extracts for loop vectorization. 2021-01-05 Jakub Jelinek PR tree-optimization/98514 * tree-ssa-reassoc.c (bb_rank): Change type from long * to int64_t *. (operand_rank): Change type from hash_map to hash_map. (phi_rank): Change return type from long to int64_t. (loop_carried_phi): Change block_rank variable type from long to int64_t. (propagate_rank): Change return type, rank parameter type and op_rank variable type from long to int64_t. (find_operand_rank): Change return type from long to int64_t and change slot variable type from long * to int64_t *. (insert_operand_rank): Change rank parameter type from long to int64_t. (get_rank): Change return type and rank variable type from long to int64_t. Use PRId64 instead of ld to print the rank. (init_reassoc): Change rank variable type from long to int64_t and adjust correspondingly bb_rank and operand_rank initialization. 2021-01-05 Jakub Jelinek PR tree-optimization/96928 * tree-ssa-phiopt.c (xor_replacement): New function. (tree_ssa_phiopt_worker): Call it. 2021-01-05 Jakub Jelinek PR tree-optimization/96930 * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended from narrower value which has the same type as 1 << B, perform the right shift on the narrower value followed by extension. 2021-01-05 Jakub Jelinek PR tree-optimization/96239 * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New function. (get_status_for_store_merging): Don't return BB_INVALID for blocks with potential bswap optimizable CONSTRUCTORs. (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap if possible. 2021-01-05 Richard Biener PR tree-optimization/98381 * tree.c (vector_element_bits): Properly compute bool vector element size. * tree-vect-loop.c (vectorizable_live_operation): Properly compute the last lane bit offset. 2021-01-05 Uroš Bizjak PR target/98522 * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split. Clear the top 64 bytes of the input XMM register. (sse_cvttps2pi): Ditto. 2021-01-05 Uroš Bizjak PR target/98521 * config/i386/xopintrin.h (_mm256_cmov_si256): New. 2021-01-05 H.J. Lu PR target/98495 * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned short first. 2021-01-05 Claudiu Zissulescu * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST. (umaddsidi4_split): Likewise. 2021-01-05 liuhongt PR target/98461 * config/i386/sse.md (*sse2_pmovskb_zexthisi): New define_insn_and_split for zero_extend of subreg HI of pmovskb result. (*sse2_pmovskb_zexthisi): Add new combine splitters for zero_extend of not of subreg HI of pmovskb result. 2021-01-05 Richard Sandiford PR target/97269 * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs nested in CONSTs. * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use convert_memory_address to convert symbolic immediates to ptr_mode before forcing them to memory. 2021-01-05 Richard Sandiford PR rtl-optimization/97144 * recog.c (constrain_operands): Initialize matching_operand for each alternative, rather than only doing it once. 2021-01-05 Richard Sandiford PR rtl-optimization/98403 * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain why we don't remove call clobbers. (function_info::apply_changes_to_insn): Don't attempt to add call clobbers here. 2021-01-05 Richard Sandiford PR tree-optimization/98371 * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function. (vect_analyze_loop): If an epilogue loop appears to be cheaper than the main loop, re-analyze it as a main loop before adopting it as a main loop. 2021-01-05 Rainer Orth PR c++/98316 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * aclocal.m4, configure: Regenerate. * Makefile.in (NETLIBS): Define. (BACKEND): Remove $(CODYLIB). 2021-01-05 Jakub Jelinek PR rtl-optimization/98334 * simplify-rtx.c (simplify_context::simplify_binary_operation_1): Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y. 2021-01-05 Bernd Edlinger * tree-inline.c (expand_call_inline): Restore input_location. Return result from recursive call. 2021-01-04 Richard Sandiford PR tree-optimization/95401 * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::load_store_cookie): Use bits rather than bytes for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE. * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise. * tree-vect-stmts.c (vectorizable_store): Likewise. (vectorizable_load): Likewise. 2021-01-04 Richard Biener PR tree-optimization/98308 * tree-vect-stmts.c (vectorizable_load): Set invariant mask SLP vectype. 2021-01-04 Jakub Jelinek PR tree-optimization/95771 * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types with precision smaller than int's precision and types with precision twice as large as long long. Formatting fixes. 2021-01-04 Richard Biener PR tree-optimization/98464 * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ... (vn_valueize_wrapper): ... this. Temporarily adjust vn_context_bb. (process_bb): Adjust. 2021-01-04 Matthew Malcomson PR other/98437 * doc/invoke.texi (-fsanitize=address): Fix wording describing clash with -fsanitize=hwaddress. 2021-01-04 Richard Biener PR tree-optimization/98282 * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on invariants as VN_NARY. 2021-01-04 Richard Sandiford PR target/89057 * config/aarch64/aarch64-simd.md (aarch64_combine): Accept aarch64_simd_reg_or_zero for operand 2. Use the combinez patterns to handle zero operands. 2021-01-04 Richard Sandiford * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function. (offset_6bit_unsigned_scaled_p): Fix typo in comment. (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range [-32, 31]. 2021-01-04 Richard Biener PR tree-optimization/98393 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches when hitting the limit. 2021-01-04 Richard Biener PR tree-optimization/98291 * tree-vect-loop.c (vectorizable_reduction): Bypass associativity check for SLP reductions with VF 1. 2021-01-04 Jakub Jelinek PR tree-optimization/96782 * match.pd (x == ~x -> false, x != ~x -> true): New simplifications. 2021-01-04 Bernd Edlinger * collect-utils.c (collect_execute): Check dumppfx. * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix to collect_execute. (do_link): Add new parameter atsuffix. (main): Handle -dumpdir option. Skip one argument for -o, -isystem and -B options. * gcc.c (make_at_file): New helper function. (close_at_file): Use it. 2021-01-02 Iain Sandoe * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust. Amend handling for LD64_VERSION fallback defaults. 2021-01-02 Iain Sandoe * config.gcc: Compute default version information from the configured target. Likewise defaults for ld64. * config/darwin10.h: Removed. * config/darwin12.h: Removed. * config/darwin9.h: Removed. * config/rs6000/darwin8.h: Removed. 2021-01-02 Iain Sandoe * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete. 2021-01-02 Iain Sandoe * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here.. * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here. 2021-01-02 Iain Sandoe * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from here... * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here. 2021-01-02 Iain Sandoe * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec for the Darwin10 unwinder stub from here ... * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here. 2021-01-02 Iain Sandoe * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF (ASM_DEBUG_SPEC):Only define if the assembler supports stabs. (PREFERRED_DEBUGGING_TYPE): Default to DWARF. (DARWIN_PREFER_DWARF): Define. * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove. (DARWIN_PREFER_DWARF): Likewise (DSYMUTIL_SPEC): Likewise. (COLLECT_RUN_DSYMUTIL): Likewise. (ASM_DEBUG_SPEC): Likewise. (ASM_DEBUG_OPTION_SPEC): Likewise. 2021-01-02 Jan Hubicka * cfg.c (free_block): ggc_free bb. 2021-01-01 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. 2021-01-01 Jakub Jelinek * ChangeLog-2020: Rotate ChangeLog. New file. Copyright (C) 2021 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.