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GCC Administrator 2021-11-18 00:16:34 +00:00
parent 3222135700
commit 280d2838c1
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166
gcc/ChangeLog
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@ -1,3 +1,169 @@
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.

2
gcc/DATESTAMP
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20211117
20211118

17
gcc/analyzer/ChangeLog
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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

13
gcc/c-family/ChangeLog
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@ -1,3 +1,16 @@
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

6
gcc/c/ChangeLog
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@ -1,3 +1,9 @@
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

117
gcc/testsuite/ChangeLog
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@ -1,3 +1,120 @@
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.

71
libcpp/ChangeLog
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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

50
libstdc++-v3/ChangeLog
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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