+2021-11-17 Andrew Pinski <apinski@marvell.com>
+
+ PR tree-optimization/103228
+ PR tree-optimization/55177
+ * match.pd ((type) X bitop CST): Also do this
+ transformation for nop conversions.
+
+2021-11-17 Martin Sebor <msebor@redhat.com>
+
+ PR tree-optimization/102759
+ * gimple-array-bounds.cc (build_printable_array_type): Move...
+ * gimple-ssa-warn-access.cc (build_printable_array_type): Avoid
+ pathological function redeclarations that remove a previously
+ declared prototype.
+ Improve formatting of function arguments in informational notes.
+ * pointer-query.cc (build_printable_array_type): ...to here.
+ * pointer-query.h (build_printable_array_type): Declared.
+
+2021-11-17 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/102952
+ * config/i386/i386-opts.h (harden_sls): New enum.
+ * config/i386/i386.c (output_indirect_thunk): Mitigate against
+ SLS for function return.
+ (ix86_output_function_return): Likewise.
+ (ix86_output_jmp_thunk_or_indirect): Mitigate against indirect
+ branch.
+ (ix86_output_indirect_jmp): Likewise.
+ (ix86_output_call_insn): Likewise.
+ * config/i386/i386.opt: Add -mharden-sls=.
+ * doc/invoke.texi: Document -mharden-sls=.
+
+2021-11-17 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/103307
+ * config/i386/i386.c (ix86_code_end): Remove "%!" before ret.
+ (ix86_output_function_return): Likewise.
+ * config/i386/i386.md (simple_return_pop_internal): Likewise.
+
+2021-11-17 Jan Hubicka <hubicka@ucw.cz>
+
+ PR ipa/103246
+ * ipa-modref.c (read_modref_records): Fix streaminig in of every_access
+ flag.
+
+2021-11-17 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (indirect_thunks_used): Redefine as HARD_REG_SET.
+ (ix86_code_end): Use TEST_HARD_REG_BIT on indirect_thunks_used.
+ (ix86_output_indirect_branch_via_reg): Use SET_HARD_REG_BIT
+ on indirect_thunks_used.
+ (ix86_output_indirect_function_return): Ditto.
+
+2021-11-17 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-modref-tree.c: Include cgraph.h and tree-streamer.h.
+ (modref_access_node::stream_out): New member function.
+ (modref_access_node::stream_in): New member function.
+ * ipa-modref-tree.h (modref_access_node::stream_out,
+ modref_access_node::stream_in): Declare.
+ * ipa-modref.c (modref_summary_lto::useful_p): Free useless kills.
+ (modref_summary_lto::dump): Dump kills.
+ (analyze_store): Record kills for LTO
+ (analyze_stmt): Likewise.
+ (modref_summaries_lto::duplicate): Duplicate kills.
+ (write_modref_records): Use new stream_out member function.
+ (read_modref_records): Likewise.
+ (modref_write): Stream out kills.
+ (read_section): Stream in kills
+ (remap_kills): New function.
+ (update_signature): Use it.
+
+2021-11-17 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (LEGACY_SSE_REGNO_P): New predicate.
+ (SSE_REGNO_P): Use LEGACY_SSE_REGNO_P predicate.
+ * config/i386/i386.c (zero_all_vector_registers):
+ Use LEGACY_SSE_REGNO_P predicate.
+ (ix86_register_priority): Use REX_INT_REGNO_P, REX_SSE_REGNO_P
+ and EXT_REG_SSE_REGNO_P predicates.
+ (ix86_hard_regno_call_part_clobbered): Use REX_SSE_REGNO_P
+ and LEGACY_SSE_REGNO_P predicates.
+
+2021-11-17 Jason Merrill <jason@redhat.com>
+
+ * doc/invoke.texi (C++ Dialect Options): Document
+ -fimplicit-constexpr.
+
+2021-11-17 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
+
+ * config/aarch64/aarch64-modes.def (VECTOR_MODE): New V8DI mode.
+ * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Handle
+ V8DImode.
+ * config/aarch64/iterators.md (define_mode_attr nunits): Add entry
+ for V8DI.
+
+2021-11-17 Martin Uecker <uecker@gcc.gnu.org>
+
+ PR c/91038
+ PR c/29970
+ * gimplify.c (gimplify_var_or_parm_decl): Update comment.
+ (gimplify_compound_lval): Gimplify base expression first.
+ (gimplify_target_expr): Add comment.
+
+2021-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/103192
+ * tree-ssa-loop-im.c (move_computations_worker): Use
+ reset_flow_sensitive_info instead of manually clearing
+ SSA_NAME_RANGE_INFO and do it for all SSA_NAMEs, not just ones
+ with integral types.
+
+2021-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/103255
+ * gimple-range-fold.cc (fold_using_range::range_of_address): Return
+ range_nonzero rather than unadjusted base's range. Formatting fixes.
+
+2021-11-17 Richard Sandiford <richard.sandiford@arm.com>
+
+ * doc/md.texi (cond_fmin@var{mode}, cond_fmax@var{mode}): Document.
+ * optabs.def (cond_fmin_optab, cond_fmax_optab): New optabs.
+ * internal-fn.def (COND_FMIN, COND_FMAX): New functions.
+ * internal-fn.c (first_commutative_argument): Handle them.
+ (FOR_EACH_COND_FN_PAIR): Likewise.
+ * match.pd (UNCOND_BINARY, COND_BINARY): Likewise.
+ * config/aarch64/aarch64-sve.md (cond_<fmaxmin><mode>): New
+ pattern.
+
+2021-11-17 Kewen Lin <linkw@linux.ibm.com>
+
+ * config/i386/i386.md (*add<dwi>3_doubleword, *addv<dwi>4_doubleword,
+ *addv<dwi>4_doubleword_1, *sub<dwi>3_doubleword,
+ *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1,
+ *add<dwi>3_doubleword_cc_overflow_1, *divmodsi4_const,
+ *neg<dwi>2_doubleword, *tls_dynamic_gnu2_combine_64_<mode>): Fix split
+ condition.
+
+2021-11-17 Andrew Pinski <apinski@marvell.com>
+
+ PR tree-optimization/103288
+ * tree-ssa-phiopt.c (value_replacement): Return early if middle
+ block has more than one pred.
+
+2021-11-17 Kewen Lin <linkw@linux.ibm.com>
+
+ * config/visium/visium.md (*add<mode>3_insn, *addsi3_insn, *addi3_insn,
+ *sub<mode>3_insn, *subsi3_insn, *subdi3_insn, *neg<mode>2_insn,
+ *negdi2_insn, *and<mode>3_insn, *ior<mode>3_insn, *xor<mode>3_insn,
+ *one_cmpl<mode>2_insn, *ashl<mode>3_insn, *ashr<mode>3_insn,
+ *lshr<mode>3_insn, *trunchiqi2_insn, *truncsihi2_insn,
+ *truncdisi2_insn, *extendqihi2_insn, *extendqisi2_insn,
+ *extendhisi2_insn, *extendsidi2_insn, *zero_extendqihi2_insn,
+ *zero_extendqisi2_insn, *zero_extendsidi2_insn): Fix split condition.
+
+2021-11-17 Marek Polacek <polacek@redhat.com>
+
+ PR preprocessor/103026
+ * doc/invoke.texi: Document -Wbidi-chars.
+
+2021-11-17 Jan Hubicka <hubicka@ucw.cz>
+
+ PR ipa/103246
+ * ipa-modref.c (ipa_merge_modref_summary_after_inlining): Fix clearing
+ of to_info_lto
+
2021-11-16 Jan Hubicka <jh@suse.cz>
* ipa-modref.c (get_modref_function_summary): Declare.
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/102695
+ * region-model-impl-calls.cc (region_model::impl_call_strchr): New.
+ * region-model-manager.cc
+ (region_model_manager::maybe_fold_unaryop): Simplify cast to
+ pointer type of an existing pointer to a region.
+ * region-model.cc (region_model::on_call_pre): Handle
+ BUILT_IN_STRCHR and "strchr".
+ (write_to_const_diagnostic::emit): Add auto_diagnostic_group. Add
+ alternate wordings for functions and labels.
+ (write_to_const_diagnostic::describe_final_event): Add alternate
+ wordings for functions and labels.
+ (region_model::check_for_writable_region): Handle RK_FUNCTION and
+ RK_LABEL.
+ * region-model.h (region_model::impl_call_strchr): New decl.
+
2021-11-16 David Malcolm <dmalcolm@redhat.com>
PR analyzer/102662
+2021-11-17 Martin Uecker <uecker@gcc.gnu.org>
+
+ PR c/91038
+ PR c/29970
+ * c-common.c (pointer_int_sum): Make sure pointer expressions
+ are evaluated first when the size expression depends on for
+ variably-modified types.
+
+2021-11-17 Marek Polacek <polacek@redhat.com>
+
+ PR preprocessor/103026
+ * c.opt (Wbidi-chars, Wbidi-chars=): New option.
+
2021-11-16 Jason Merrill <jason@redhat.com>
* c-common.c (release_tree_vector): Only cache vecs smaller than
+2021-11-17 Martin Sebor <msebor@redhat.com>
+
+ PR c/101702
+ * c-decl.c (get_parm_array_spec): Strip casts earlier and fold array
+ bounds before deciding if they're constant.
+
2021-11-15 Jakub Jelinek <jakub@redhat.com>
* c-parser.c (OMP_TARGET_CLAUSE_MASK): Add
+2021-11-17 Andrew Pinski <apinski@marvell.com>
+
+ PR tree-optimization/103228
+ PR tree-optimization/55177
+ * gcc.dg/tree-ssa/pr103228-1.c: New test.
+ * gcc.dg/tree-ssa/pr55177-1.c: New test.
+
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR preprocessor/103026
+ * c-c++-common/Wbidi-chars-ranges.c: New test.
+
+2021-11-17 Martin Sebor <msebor@redhat.com>
+
+ PR tree-optimization/102759
+ * gcc.dg/Warray-parameter-10.c: New test.
+ * gcc.dg/Wstringop-overflow-82.c: New test.
+
+2021-11-17 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/102952
+ * gcc.target/i386/harden-sls-1.c: New test.
+ * gcc.target/i386/harden-sls-2.c: Likewise.
+ * gcc.target/i386/harden-sls-3.c: Likewise.
+ * gcc.target/i386/harden-sls-4.c: Likewise.
+ * gcc.target/i386/harden-sls-5.c: Likewise.
+
+2021-11-17 Martin Sebor <msebor@redhat.com>
+
+ PR c/101702
+ * gcc.dg/Warray-parameter-11.c: New test.
+
+2021-11-17 Jeff Law <jeffreyalaw@gmail.com>
+
+ * gcc.target/mips/frame-header-1.c (bar): Add noipa attribute.
+ * gcc.target/mips/frame-header-2.c (bar): Likewise.
+
+2021-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR preprocessor/103130
+ * c-c++-common/cpp/dir-only-9.c: New test.
+
+2021-11-17 Martin Uecker <uecker@gcc.gnu.org>
+
+ PR c/91038
+ PR c/29970
+ * gcc.dg/vla-stexp-3.c: New test.
+ * gcc.dg/vla-stexp-4.c: New test.
+ * gcc.dg/vla-stexp-5.c: New test.
+ * gcc.dg/vla-stexp-6.c: New test.
+ * gcc.dg/vla-stexp-7.c: New test.
+ * gcc.dg/vla-stexp-8.c: New test.
+ * gcc.dg/vla-stexp-9.c: New test.
+
+2021-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/103255
+ * gcc.c-torture/execute/pr103255.c: New test.
+
+2021-11-17 Richard Sandiford <richard.sandiford@arm.com>
+
+ * gcc.target/aarch64/sve/cond_fmaxnm_5.c: New test.
+ * gcc.target/aarch64/sve/cond_fmaxnm_5_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_6.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_6_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_7.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_7_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_8.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fmaxnm_8_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_5.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_5_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_6.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_6_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_7.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_7_run.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_8.c: Likewise.
+ * gcc.target/aarch64/sve/cond_fminnm_8_run.c: Likewise.
+
+2021-11-17 Andrew Pinski <apinski@marvell.com>
+
+ PR tree-optimization/103288
+ * gcc.c-torture/compile/pr103288-1.c: New test.
+
+2021-11-17 Marek Polacek <polacek@redhat.com>
+
+ PR preprocessor/103026
+ * c-c++-common/Wbidi-chars-1.c: New test.
+ * c-c++-common/Wbidi-chars-2.c: New test.
+ * c-c++-common/Wbidi-chars-3.c: New test.
+ * c-c++-common/Wbidi-chars-4.c: New test.
+ * c-c++-common/Wbidi-chars-5.c: New test.
+ * c-c++-common/Wbidi-chars-6.c: New test.
+ * c-c++-common/Wbidi-chars-7.c: New test.
+ * c-c++-common/Wbidi-chars-8.c: New test.
+ * c-c++-common/Wbidi-chars-9.c: New test.
+ * c-c++-common/Wbidi-chars-10.c: New test.
+ * c-c++-common/Wbidi-chars-11.c: New test.
+ * c-c++-common/Wbidi-chars-12.c: New test.
+ * c-c++-common/Wbidi-chars-13.c: New test.
+ * c-c++-common/Wbidi-chars-14.c: New test.
+ * c-c++-common/Wbidi-chars-15.c: New test.
+ * c-c++-common/Wbidi-chars-16.c: New test.
+ * c-c++-common/Wbidi-chars-17.c: New test.
+
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/102695
+ * gcc.dg/analyzer/pr102695.c: New test.
+ * gcc.dg/analyzer/strchr-1.c: New test.
+
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR analyzer/102779
+ * gcc.dg/analyzer/capacity-1.c: Add dg-require-effective-target
+ alloca. Use __builtin_alloca rather than alloca.
+ * gcc.dg/analyzer/capacity-3.c: Likewise.
+
2021-11-16 Jan Hubicka <jh@suse.cz>
* gcc.dg/tree-ssa/modref-dse-4.c: New test.
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR preprocessor/103026
+ * lex.c (struct bidi::context): New.
+ (bidi::vec): Convert to a vec of context rather than unsigned
+ char.
+ (bidi::ctx_at): Rename to...
+ (bidi::pop_kind_at): ...this and reimplement for above change.
+ (bidi::current_ctx): Update for change to vec.
+ (bidi::current_ctx_ucn_p): Likewise.
+ (bidi::current_ctx_loc): New.
+ (bidi::on_char): Update for usage of context struct. Add "loc"
+ param and pass it when pushing contexts.
+ (get_location_for_byte_range_in_cur_line): New.
+ (get_bidi_utf8): Rename to...
+ (get_bidi_utf8_1): ...this, reintroducing...
+ (get_bidi_utf8): ...as a wrapper, setting *OUT when the result is
+ not NONE.
+ (get_bidi_ucn): Rename to...
+ (get_bidi_ucn_1): ...this, reintroducing...
+ (get_bidi_ucn): ...as a wrapper, setting *OUT when the result is
+ not NONE.
+ (class unpaired_bidi_rich_location): New.
+ (maybe_warn_bidi_on_close): Use unpaired_bidi_rich_location when
+ reporting on unpaired bidi chars. Split into singular vs plural
+ spellings.
+ (maybe_warn_bidi_on_char): Pass in a location_t rather than a
+ const uchar * and use it when emitting warnings, and when calling
+ bidi::on_char.
+ (_cpp_skip_block_comment): Capture location when kind is not NONE
+ and pass it to maybe_warn_bidi_on_char.
+ (skip_line_comment): Likewise.
+ (forms_identifier_p): Likewise.
+ (lex_raw_string): Likewise.
+ (lex_string): Likewise.
+
+2021-11-17 David Malcolm <dmalcolm@redhat.com>
+
+ PR preprocessor/103026
+ * lex.c (maybe_warn_bidi_on_close): Use a rich_location
+ and call set_escape_on_output (true) on it.
+ (maybe_warn_bidi_on_char): Likewise.
+
+2021-11-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR preprocessor/103130
+ * lex.c (cpp_directive_only_process): Treat even \*/ as end of block
+ comment.
+
+2021-11-17 Marek Polacek <polacek@redhat.com>
+
+ PR preprocessor/103026
+ * include/cpplib.h (enum cpp_bidirectional_level): New.
+ (struct cpp_options): Add cpp_warn_bidirectional.
+ (enum cpp_warning_reason): Add CPP_W_BIDIRECTIONAL.
+ * internal.h (struct cpp_reader): Add warn_bidi_p member
+ function.
+ * init.c (cpp_create_reader): Set cpp_warn_bidirectional.
+ * lex.c (bidi): New namespace.
+ (get_bidi_utf8): New function.
+ (get_bidi_ucn): Likewise.
+ (maybe_warn_bidi_on_close): Likewise.
+ (maybe_warn_bidi_on_char): Likewise.
+ (_cpp_skip_block_comment): Implement warning about bidirectional
+ control characters.
+ (skip_line_comment): Likewise.
+ (forms_identifier_p): Likewise.
+ (lex_identifier): Likewise.
+ (lex_string): Likewise.
+ (lex_raw_string): Likewise.
+
2021-11-01 David Malcolm <dmalcolm@redhat.com>
* charset.c (convert_escape): Use encoding_rich_location when
+2021-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/experimental/internet (address): Use std::_Construct
+ to initialize union members.
+
+2021-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (_M_construct_aux): Only define
+ for C++98. Remove constexpr.
+ (_M_construct_aux_2): Likewise.
+ (_M_construct(InputIter, InputIter)): Remove.
+ (basic_string(const basic_string&)): Call _M_construct with
+ iterator category argument.
+ (basic_string(const basic_string&, size_type, const Alloc&)):
+ Likewise.
+ (basic_string(const basic_string&, size_type, size_type)):
+ Likewise.
+ (basic_string(const charT*, size_type, const Alloc&)): Likewise.
+ Check for null pointer.
+ (basic_string(const charT*, const Alloc&)): Likewise.
+ (basic_string(initializer_list<charT>, const Alloc&)): Call
+ _M_construct with iterator category argument.
+ (basic_string(const basic_string&, const Alloc&)): Likewise.
+ (basic_string(basic_string&&, const Alloc&)): Likewise.
+ (basic_string(_InputIter, _InputIter, const Alloc&)): Likewise
+ for C++11 and later, call _M_construct_aux for C++98.
+ * include/bits/basic_string.tcc
+ (_M_construct(I, I, input_iterator_tag)): Replace try-block with
+ RAII type.
+ (_M_construct(I, I, forward_iterator_tag)): Likewise. Remove
+ __is_null_pointer check.
+
+2021-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/103295
+ * include/bits/basic_string.h (_M_use_local_data()): New
+ member function to make local buffer the active member.
+ (assign(const basic_string&)): Use it.
+ * include/bits/basic_string.tcc (_M_construct, reserve()):
+ Likewise.
+
+2021-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/103240
+ * libsupc++/tinfo2.cc (type_info::before): Use unadjusted name
+ to check for the '*' prefix.
+ * testsuite/util/testsuite_shared.cc: Add type_info object for
+ use in new test.
+ * testsuite/18_support/type_info/103240.cc: New test.
+
2021-11-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h (operator<=>): Use constexpr
projects / thirdparty / gcc.git / commitdiff
