+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
+2021-10-26 Martin Sebor <msebor@redhat.com>
+
+ PR tree-optimization/102238
+ PR tree-optimization/102919
+ * gcc.dg/tree-ssa/builtin-sprintf-warn-23.c: Remove warnings.
+ * gcc.dg/Wrestrict-23.c: New test.
+
+2021-10-26 Martin Sebor <msebor@redhat.com>
+
+ * gcc.dg/Wstringop-overflow-22.c: Correct typos.
+ * gcc.dg/Wstringop-overflow-81.c: New test.
+
+2021-10-26 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/102453
+ * gcc.dg/Warray-bounds-90.c: New test.
+ * gcc.dg/Wstringop-overflow-77.c: New test.
+ * gcc.dg/Wstringop-overflow-78.c: New test.
+ * gcc.dg/Wstringop-overflow-79.c: New test.
+ * gcc.dg/Wstringop-overflow-80.c: New test.
+ * c-c++-common/gomp/atomic-4.c: Avoid an out-of-bounds access.
+
+2021-10-26 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/86551
+ * gfortran.dg/pr86551.f90: New test to verify that PR86551 remains
+ fixed.
+
+2021-10-26 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/102956
+ * gfortran.dg/pdt_32.f03: New test.
+
+2021-10-26 Vladimir N. Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/102842
+ * g++.target/arm/pr102842.C: New test.
+
+2021-10-26 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/102917
+ * gfortran.dg/pdt_4.f03: Adjust testcase.
+
+2021-10-26 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/102816
+ * gfortran.dg/pr102816.f90: New test.
+
+2021-10-26 Paul A. Clarke <pc@us.ibm.com>
+
+ * gcc.target/powerpc/pr78102.c: Fix dg directives to require Power8
+ vector support. Also, add -DNO_WARN_X86_INTRINSICS.
+
+2021-10-26 Marek Polacek <polacek@redhat.com>
+
+ PR c++/102617
+ * g++.dg/cpp23/init-stmt1.C: New test.
+ * g++.dg/cpp23/init-stmt2.C: New test.
+
+2021-10-26 Sandra Loosemore <sandra@codesourcery.com>
+
+ PR testsuite/102910
+ * gfortran.dg/c-interop/cf-descriptor-5-c.c: Use a static buffer
+ instead of alloca.
+
+2021-10-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR testsuite/102834
+ * gcc.target/i386/avx512f-pr96891-3.c: Add -mstv -mno-stackrealign
+ to dg-options.
+
+2021-10-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR testsuite/102835
+ * gcc.target/i386/avx512fp16-trunchf.c: Allow for %esp instead of
+ %ebp.
+
+2021-10-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR testsuite/102836
+ * gcc.target/i386/pieces-memset-1.c: Add -mno-stackrealign to
+ dg-options.
+ * gcc.target/i386/pieces-memset-4.c: Likewise.
+ * gcc.target/i386/pieces-memset-7.c: Likewise.
+ * gcc.target/i386/pieces-memset-8.c: Likewise.
+ * gcc.target/i386/pieces-memset-41.c: Likewise.
+ * gcc.target/i386/pr90773-1.c: Likewise.
+
+2021-10-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * gcc.target/i386/pr100704-1.c: Add -fomit-frame-pointer to
+ dg-options.
+ * gcc.target/i386/pr100704-2.c: Likewise.
+
+2021-10-26 Kewen Lin <linkw@linux.ibm.com>
+
+ * gcc.dg/pr102897.c: New test.
+
+2021-10-26 Tobias Burnus <tobias@codesourcery.com>
+
+ PR fortran/102885
+ * gfortran.dg/lto/bind-c-char_0.f90: New test.
+
+2021-10-26 Roger Sayle <roger@nextmovesoftware.com>
+
+ * gcc.target/i386/sse2-v1ti-shift.c: New test case.
+
+2021-10-26 Aldy Hernandez <aldyh@redhat.com>
+
+ PR testsuite/102857
+ * gcc.dg/tree-ssa/ssa-dom-thread-7.c: Add -fdump-tree-vrp2-stats.
+ Tweak for aarch64.
+
+2021-10-26 Aldy Hernandez <aldyh@redhat.com>
+
+ * gcc.dg/tree-ssa/pr21090.c: Adjust for threading.
+ * gcc.dg/tree-ssa/ssa-thread-12.c: Removed.
+
+2021-10-26 Aldy Hernandez <aldyh@redhat.com>
+
+ * gcc.dg/graphite/scop-dsyr2k-2.c: Adjust for jump threading changes.
+ * gcc.dg/graphite/scop-dsyr2k.c: Same.
+ * gcc.dg/graphite/scop-dsyrk-2.c: Same.
+ * gcc.dg/graphite/scop-dsyrk.c: Same.
+ * gcc.dg/tree-ssa/pr20701.c: Same.
+ * gcc.dg/tree-ssa/pr20702.c: Same.
+ * gcc.dg/tree-ssa/pr21086.c: Same.
+ * gcc.dg/tree-ssa/pr25382.c: Same.
+ * gcc.dg/tree-ssa/pr58480.c: Same.
+ * gcc.dg/tree-ssa/ssa-vrp-thread-1.c: Same.
+ * gcc.dg/tree-ssa/vrp08.c: Same.
+ * gcc.dg/tree-ssa/vrp55.c: Same.
+ * gcc.dg/tree-ssa/ssa-dom-thread-7.c: Same.
+ * gcc.dg/tree-ssa/ssa-dom-thread-4.c: Removed.
+ * gcc.dg/tree-ssa/ssa-thread-11.c: Removed.
+ * gcc.dg/uninit-pr89230-1.c: xfail.
+ * gcc.dg/tree-ssa/ssa-thread-backedge.c: New file.
+
2021-10-25 Andrew MacLeod <amacleod@redhat.com>
* gcc.dg/tree-ssa/vrp98.c: Disable evrp for vrp1 test.