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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dd805e8..b6381ed 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,174 @@ +2021-10-26 Martin Sebor <msebor@redhat.com> + + PR tree-optimization/102238 + PR tree-optimization/102919 + * gimple-ssa-sprintf.c (get_string_length): Add an argument. + (array_elt_at_offset): Move to pointer-query. + (set_aggregate_size_and_offset): New function. + (field_at_offset): Move to pointer-query. + (get_origin_and_offset): Rename... + (get_origin_and_offset_r): this. Add an argument. Make aggregate + handling more robust. + (get_origin_and_offset): New. + (alias_offset): Add an argument. + (format_string): Use subobject size determined by get_origin_and_offset. + * pointer-query.cc (field_at_offset): Move from gimple-ssa-sprintf.c. + Improve/correct handling of aggregates. + (array_elt_at_offset): Same. + * pointer-query.h (field_at_offset): Declare. + (array_elt_at_offset): Declare. + +2021-10-26 Martin Sebor <msebor@redhat.com> + + * builtins.c (check_strncat_sizes): Pass access_data ctor additional + arguments. + (expand_builtin_memcmp): Move code to gimple-ssa-warn-access.cc. + (expand_builtin_fork_or_exec): Same. + * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Pass + compute_objsize additional arguments. + (inbounds_memaccess_p): Same. + (array_bounds_checker::check_array_bounds): Add an assert. Stash + statement in a member. + (check_array_bounds_dom_walker::before_dom_children): Same. + * gimple-array-bounds.h (array_bounds_checker::m_stmt): New member. + * gimple-ssa-sprintf.c (get_destination_size): Add an argument. + (handle_printf_call): Pass a new argument. + * gimple-ssa-warn-access.cc (get_size_range): Add an argument. + (check_access): Add an argument and pass it along to callees. + (check_read_access): Make a member function. + (pass_waccess::check_strcat): Pass access_data ctor additional + arguments. + (pass_waccess::check_strncat): Same. + (pass_waccess::check_stxcpy): Same. + (pass_waccess::check_stxncpy): Same. + (pass_waccess::check_strncmp): Same. + (pass_waccess::check_read_access): Same. + (pass_waccess::check_builtin): Same. + (pass_waccess::maybe_check_access_sizes): Same. + (pass_waccess::maybe_check_dealloc_call): Same. + * gimple-ssa-warn-access.h (check_read_access): Declare a new + member function. + * pointer-query.cc (compute_objsize_r): Add an argument. + (gimple_call_return_array): Same. + (gimple_call_alloc_size): Same. + (access_ref::access_ref): Same. + (access_ref::get_ref): Same. + (pointer_query::get_ref): Same. + (handle_min_max_size): Pass an arguments to callees. + (handle_array_ref): Add an argument. + (handle_mem_ref): Same. + (compute_objsize): Same. + * pointer-query.h (struct access_ref): Adjust signatures. + (struct access_data): Same. + (gimple_call_alloc_size): Add an argument. + (gimple_parm_array_size): Same. + (compute_objsize): Same. + * tree-ssa-strlen.c (strlen_pass::adjust_last_stmt): Pass an additional + argument to compute_objsize. + (strlen_pass::maybe_warn_overflow): Same. + (maybe_diag_stxncpy_trunc): Same. + +2021-10-26 Martin Sebor <msebor@redhat.com> + + PR middle-end/102453 + * gimple-ssa-warn-access.cc (pass_waccess::check_atomic_builtin): New. + (pass_waccess::check_atomic_builtin): Call it. + +2021-10-26 Vladimir N. Makarov <vmakarov@redhat.com> + + PR rtl-optimization/102842 + * lra-constraints.c (match_reload): Ignore out in checking values + of outs. + (curr_insn_transform): Collect outputs before doing reloads of operands. + +2021-10-26 Paul A. Clarke <pc@us.ibm.com> + + PR target/102719 + * config/rs6000/x86intrin.h: Move some included headers to new + headers. Include new immintrin.h instead of those headers. + * config/rs6000/immintrin.h: New. + * config/rs6000/x86gprintrin.h: New. + * config.gcc (powerpc*-*-*): Add new headers to extra_headers. + +2021-10-26 Richard Biener <rguenther@suse.de> + + * tree-vectorizer.h (vect_create_addr_base_for_vector_ref): + Remove byte_offset parameter. + (vect_create_data_ref_ptr): Likewise. + * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): + Likewise. + (vect_create_data_ref_ptr): Likewise. + * tree-vect-stmts.c (vectorizable_store): Adjust. + (vectorizable_load): Likewise. + +2021-10-26 Richard Biener <rguenther@suse.de> + + PR tree-optimization/96109 + * tree-vectorizer.h (dr_misalignment): Add optional offset + parameter. + * tree-vect-data-refs.c (dr_misalignment): Likewise. Remove + offset applied for negative stride accesses. + (vect_enhance_data_refs_alignment): Compute negative stride + access offset and pass it to dr_misalignment. + * tree-vect-stmts.c (get_negative_load_store_type): Pass + negative offset to dr_misalignment. + (get_group_load_store_type): Likewise. + (get_load_store_type): Likewise. + (vectorizable_store): Remove asserts about alignment. + (vectorizable_load): Likewise. + +2021-10-26 Kewen Lin <linkw@linux.ibm.com> + + PR tree-optimization/102897 + * tree-ssa-forwprop.c (simplify_permutation): Remove a wrong assertion. + +2021-10-26 Richard Biener <rguenther@suse.de> + + * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): + Take offset in bytes. + (vect_create_data_ref_ptr): Likewise. + * tree-vect-loop-manip.c (get_misalign_in_elems): Multiply + offset by element size. + (vect_create_cond_for_align_checks): Likewise. + * tree-vect-stmts.c (get_negative_load_store_type): Likewise. + (vectorizable_load): Remove duplicate leftover from merge + conflict. + +2021-10-26 Roger Sayle <roger@nextmovesoftware.com> + + * config/i386/i386-expand.c (ix86_expand_v1ti_shift): New helper + function to expand V1TI mode logical shifts by integer constants. + (ix86_expand_v1ti_rotate): New helper function to expand V1TI + mode rotations by integer constants. + * config/i386/i386-protos.h (ix86_expand_v1ti_shift, + ix86_expand_v1ti_rotate): Prototype new functions here. + * config/i386/sse.md (ashlv1ti3, lshrv1ti3, rotlv1ti3, rotrv1ti3): + New TARGET_SSE2 expanders to implement V1TI shifts and rotations. + +2021-10-26 Aldy Hernandez <aldyh@redhat.com> + + * tree-ssa-threadbackward.c (back_threader::maybe_register_path): + Avoid threading circular paths. + +2021-10-26 Aldy Hernandez <aldyh@redhat.com> + + * tree-ssa-threadbackward.c (back_threader::resolve_phi): + Attempt to resolve all incoming paths to a PHI. + (back_threader::resolve_def): Always return true for PHIs. + +2021-10-26 Aldy Hernandez <aldyh@redhat.com> + + * tree-ssa-threadbackward.c (back_threader::find_paths_to_names): + Always try to resolve path without looking back. + * tree-ssa-threadupdate.c (dump_jump_thread): Indidicate whether + edge is a back edge. + +2021-10-26 Kewen Lin <linkw@linux.ibm.com> + + PR tree-optimization/102789 + * tree-vect-loop-manip.c (vect_update_inits_of_drs): Do not + update inits of simd_lane_access. + 2021-10-25 Andrew MacLeod <amacleod@redhat.com> * tree-vrp.c (vrp_simplify_cond_using_ranges): Add return type and |