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GCC Administrator 2020-12-09 00:16:50 +00:00
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9
contrib/ChangeLog
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2020-12-08 Martin Liska <mliska@suse.cz>
* filter-clang-warnings.py: Filter more cases.
2020-12-08 Martin Liska <mliska@suse.cz>
* filter-clang-warnings.py: Modernize and filter 2 more
patterns.
2020-12-04 Martin Liska <mliska@suse.cz>
* check-params-in-docs.py: use flake8 and add some

87
gcc/ChangeLog
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2020-12-08 Martin Liska <mliska@suse.cz>
PR tree-optimization/98182
* gimple-if-to-switch.cc (pass_if_to_switch::execute): Request
chain linkage through false edges only.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* tree.h (DECL_ALIGN_RAW): New.
(DECL_ALIGN): Use it.
(DECL_WARN_IF_NOT_ALIGN_RAW): New.
(DECL_WARN_IF_NOT_ALIGN): Use it.
(SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
2020-12-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/66791
* config/arm/arm_neon.h: Replace calls to __builtin_vmvn* by ~
in vmvn intrinsics.
* config/arm/arm_neon_builtins.def: Remove entry for vmvn.
2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR target/94440
* config/i386/i386.opt (ix86_excess_precision,
ix86_unsafe_math_optimizations): New TargetVariables.
* config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): Use
ix86_unsafe_math_optimizations instead of
flag_unsafe_math_optimizations and ix86_excess_precision instead of
flag_excess_precision.
* config/i386/i386.c (ix86_excess_precision): Rename to ...
(ix86_get_excess_precision): ... this.
(TARGET_C_EXCESS_PRECISION): Define to ix86_get_excess_precision.
* config/i386/i386-options.c (ix86_valid_target_attribute_tree,
ix86_option_override_internal): Update ix86_unsafe_math_optimization
from flag_unsafe_math_optimizations and ix86_excess_precision
from flag_excess_precision when constructing target option nodes.
(ix86_set_current_function): If flag_unsafe_math_optimizations
or flag_excess_precision is different from the one recorded
in TARGET_OPTION_NODE, create a new target option node for the
current function and switch to that.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/98192
* tree-vect-slp.c (vect_build_slp_instance): Get scalar_stmts
by reference.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/98191
* tree-vect-slp.c (vect_slp_check_for_constructors): Do not
follow a non-SSA def chain.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/97559
* tree-ssa-sink.c (statement_sink_location): Never ignore
PHIs on sink paths in irreducible regions.
2020-12-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/97872
* gimple-isel.cc (gimple_expand_vec_cond_expr): Try to fold
x CMP y ? -1 : 0 to x CMP y.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/98180
* tree-vect-slp.c (vect_slp_check_for_constructors): Check the
first inserted value has a def.
2020-12-08 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/96344
* tree-switch-conversion.c (bit_test_cluster::emit): Compute the
range only if an entry test is necessary. Merge the entry test in
the bit test when possible. Use PREC local variable consistently.
When there is only one test, do a single gimplification at the end.
2020-12-08 Kito Cheng <kito.cheng@sifive.com>
PR target/98152
* config.gcc (riscv*-*-*): Checking python, python3 or python2
is available, and skip doing with_arch canonicalize if no python
available.
2020-12-07 Jakub Jelinek <jakub@redhat.com>
PR target/98147

2
gcc/DATESTAMP
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20201208
20201209

6
gcc/c-family/ChangeLog
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2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR c++/98187
* c-pragma.c (omp_pragmas): Remove "master".
(omp_pragmas_simd): Add "master".
2020-12-07 Marek Polacek <polacek@redhat.com>
PR c++/98126

106
gcc/cp/ChangeLog
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2020-12-08 Marek Polacek <polacek@redhat.com>
PR c++/98103
* constexpr.c (cxx_eval_dynamic_cast_fn): If the evaluating of vtable
yields a null pointer, give an error and return. Use objtype.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* class.c (layout_class_type): Call set_instantiating_module.
(build_self_reference): Likewise.
* decl.c (grokfndecl): Call set_originating_module.
(grokvardecl): Likewise.
(grokdeclarator): Likewise.
* pt.c (maybe_new_partial_specialization): Call
set_instantiating_module, propagate DECL_MODULE_EXPORT_P.
(lookup_template_class_1): Likewise.
(tsubst_function_decl): Likewise.
(tsubst_decl, instantiate_template_1): Likewise.
(build_template_decl): Propagate module flags.
(tsubst_template_dcl): Likewise.
(finish_concept_definition): Call set_originating_module.
* module.cc (set_instantiating_module, set_originating_module): Stubs.
2020-12-08 Jason Merrill <jason@redhat.com>
PR c++/96299
* cp-tree.h (build_new_op): Add overload that omits some parms.
(genericize_spaceship): Add location_t parm.
* constexpr.c (cxx_eval_binary_expression): Pass it.
* cp-gimplify.c (genericize_spaceship): Pass it.
* method.c (genericize_spaceship): Handle class-type arguments.
(build_comparison_op): Fall back to op</== when appropriate.
2020-12-08 Jason Merrill <jason@redhat.com>
* call.c (build_new_op_1): Set *overload for ambiguity.
(build_new_method_call_1): Likewise.
2020-12-08 Bernd Edlinger <bernd.edlinger@hotmail.de>
* decl2.c: (is_atomic_expensive_p): New helper function.
(build_atomic_load_byte): Rename to...
(build_atomic_load_type): ... and add new parameter type.
(get_guard_cond): Skip the atomic here if that is expensive.
Use the correct type for the atomic load on certain targets.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (struct tinst_level): Add path & visible fields.
(build_cdtor_clones): Declare.
(match_mergeable_specialization): Use a spec_entry, add insert parm.
* class.c (build_cdtor_clones): Externalize.
* pt.c (push_tinst_level_loc): Clear new fields.
(match_mergeable_specialization): Adjust API.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* decl2.c (start_objects): Refactor and adjust for named module
initializers.
(finish_objects): Likewise.
(generate_ctor_or_dtor_function): Likewise.
* module.cc (module_initializer_kind)
(module_add_import_initializers): Stubs.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* Make-lang.in (MODULE_VERSION): Override when DEVPHASE not empty.
* module.cc: Comment.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (mangle_module_substitution, mangle_identifier)
(mangle_module_global_init): Declare.
* mangle.c (struct globals): Add mod field.
(mangle_module_substitution, mangle_identifier)
(mangle_module_global_init): Define.
(write_module, maybe_write_module): New.
(write_name): Call it.
(start_mangling): Clear mod field.
(finish_mangling_internal): Adjust.
* module.cc (mangle_module, mangle_module_fini)
(get_originating_module): Stubs.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (module_token_pre, module_token_cdtor)
(module_token_lang): Declare.
* lex.c: Include langhooks.
(struct module_token_filter): New.
* cp-tree.h (module_token_pre, module_token_cdtor)
(module_token_lang): Define.
* module.cc (get_module, preprocess_module, preprocessed_module):
Nop stubs.
2020-12-08 Nathan Sidwell <nathan@acm.org>
* Make-lang.in (MODULE_VERSION): Define.
* module.cc: Add includes.
2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR c++/98187
* parser.c (cp_parser_omp_parallel): For parallel master with
-fopenmp-simd only, just call cp_parser_omp_master instead of
wrapping it in OMP_PARALLEL.
2020-12-07 Marek Polacek <polacek@redhat.com>
PR c++/98043

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gcc/fortran/ChangeLog
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2020-12-08 Tobias Burnus <tobias@codesourcery.com>
* dump-parse-tree.c (show_omp_clauses, show_omp_node,
show_code_node): Handle OMP SCAN.
* gfortran.h (enum gfc_statement): Add ST_OMP_SCAN.
(enum): Add OMP_LIST_SCAN_IN and OMP_LIST_SCAN_EX.
(enum gfc_exec_op): Add EXEC_OMP_SCAN.
* match.h (gfc_match_omp_scan): New prototype.
* openmp.c (gfc_match_omp_scan): New.
(gfc_match_omp_taskgroup): Cleanup.
(resolve_omp_clauses, gfc_resolve_omp_do_blocks,
omp_code_to_statement, gfc_resolve_omp_directive): Handle 'omp scan'.
* parse.c (decode_omp_directive, next_statement,
gfc_ascii_statement): Likewise.
* resolve.c (gfc_resolve_code): Handle EXEC_OMP_SCAN.
* st.c (gfc_free_statement): Likewise.
* trans-openmp.c (gfc_trans_omp_clauses, gfc_trans_omp_do,
gfc_split_omp_clauses): Handle 'omp scan'.
2020-12-05 Paul Thomas <pault@gcc.gnu.org>
PR fortran/98016

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gcc/testsuite/ChangeLog
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2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/98191
* gcc.dg/torture/pr98191.c: Add dg-additional-options with
-w -Wno-psabi.
2020-12-08 Marek Polacek <polacek@redhat.com>
PR c++/98103
* g++.dg/ubsan/vptr-18.C: New test.
2020-12-08 Jason Merrill <jason@redhat.com>
PR c++/96299
* g++.dg/cpp2a/spaceship-synth-neg2.C: Move error.
* g++.dg/cpp2a/spaceship-p1186.C: New test.
2020-12-08 Martin Liska <mliska@suse.cz>
PR tree-optimization/98182
* gcc.dg/tree-ssa/if-to-switch-10.c: New test.
* gcc.dg/tree-ssa/pr98182.c: New test.
2020-12-08 Tobias Burnus <tobias@codesourcery.com>
* gfortran.dg/gomp/reduction4.f90: Update; move FE some tests to ...
* gfortran.dg/gomp/reduction6.f90: ... this new test and ...
* gfortran.dg/gomp/reduction7.f90: ... this new test.
* gfortran.dg/gomp/reduction5.f90: Add dg-error.
* gfortran.dg/gomp/scan-1.f90: New test.
* gfortran.dg/gomp/scan-2.f90: New test.
* gfortran.dg/gomp/scan-3.f90: New test.
* gfortran.dg/gomp/scan-4.f90: New test.
* gfortran.dg/gomp/scan-5.f90: New test.
* gfortran.dg/gomp/scan-6.f90: New test.
* gfortran.dg/gomp/scan-7.f90: New test.
2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR target/94440
* gcc.target/i386/pr94440-1.c: New file.
* gcc.target/i386/pr94440-2.c: New file.
2020-12-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* gcc.target/i386/avx512vpopcntdq-pr97770-2.c: Require
avx512vpopcntdq support.
* gcc.target/i386/avx512vpopcntdqvl-pr97770-1.c: Require
avx512vpopcntdq, avx512vl support.
2020-12-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* gcc.target/i386/pr98100.c: Require ifunc support.
2020-12-08 Richard Biener <rguenther@suse.de>
PR testsuite/95900
* gcc.dg/vect/bb-slp-pr95866.c: Require sse2 for the
BIT_FIELD_REF match.
2020-12-08 Jakub Jelinek <jakub@redhat.com>
* gcc.target/i386/avx512dq-vandnpd-2.c (CALC): Use union
to avoid aliasing violations.
* gcc.target/i386/avx512dq-vandnps-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vandpd-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vandps-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vorpd-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vorps-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vxorpd-2.c (CALC): Likewise.
* gcc.target/i386/avx512dq-vxorps-2.c (CALC): Likewise.
2020-12-08 Jakub Jelinek <jakub@redhat.com>
PR c++/98187
* c-c++-common/gomp/pr98187.c: New test.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/98191
* gcc.dg/torture/pr98191.c: New testcase.
2020-12-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/97559
* gcc.dg/torture/pr97559-1.c: New testcase.
* gcc.dg/torture/pr97559-2.c: Likewise.
2020-12-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/97872
* gcc.target/arm/pr97872.c: New test.
2020-12-08 Eric Botcazou <ebotcazou@adacore.com>
PR target/96470
* gnat.dg/opt39.adb: Add dg-additional-options for PowerPC.
2020-12-07 Martin Uecker <muecker@gwdg.de>
PR c/97981

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libgcc/ChangeLog
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2020-12-08 Ian Lance Taylor <iant@golang.org>
* generic-morestack-thread.c (free_segments): Block signals during
thread exit.
2020-12-03 Michael Meissner <meissner@linux.ibm.com>
PR libgcc/97543

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libgomp/ChangeLog
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2020-12-08 Tobias Burnus <tobias@codesourcery.com>
* testsuite/libgomp.fortran/scan-1.f90: New test.
2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
PR target/97865

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libstdc++-v3/ChangeLog
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2020-12-08 Jason Merrill <jason@redhat.com>
PR c++/96299
* testsuite/18_support/comparisons/algorithms/partial_order.cc:
One more line needs to use VERIFY instead of static_assert.
2020-12-08 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/appendix_contributing.xml: Use consistent
indentation.
* doc/html/manual/source_code_style.html: Regenerate.
2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
PR target/97865