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GCC Administrator 2020-07-21 00:16:28 +00:00
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130
gcc/ChangeLog
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2020-07-20 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.c (mmix_expand_prologue): Calculate the total
allocated size and set current_function_static_stack_size, if
flag_stack_usage_info.
2020-07-20 Sergei Trofimovich <siarheit@google.com>
PR target/96190
* config/sparc/linux.h (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
to get crtendS.o for !no-pie mode.
* config/sparc/linux64.h (ENDFILE_SPEC): Ditto.
2020-07-20 Yang Yang <yangyang305@huawei.com>
* tree-vect-stmts.c (vectorizable_simd_clone_call): Add
VIEW_CONVERT_EXPRs if the arguments types and return type
of simd clone function are distinct with the vectype of stmt.
2020-07-20 Uroš Bizjak <ubizjak@gmail.com>
PR target/95750
* config/i386/i386.h (TARGET_AVOID_MFENCE):
Rename from TARGET_USE_XCHG_FOR_ATOMIC_STORE.
* config/i386/sync.md (mfence_sse2): Disable for TARGET_AVOID_MFENCE.
(mfence_nosse): Enable also for TARGET_AVOID_MFENCE. Emit stack
referred memory in word_mode.
(mem_thread_fence): Do not generate mfence_sse2 pattern when
TARGET_AVOID_MFENCE is true.
(atomic_store<mode>): Update for rename.
* config/i386/x86-tune.def (X86_TUNE_AVOID_MFENCE):
Rename from X86_TUNE_USE_XCHG_FOR_ATOMIC_STORE.
2020-07-20 Martin Sebor <msebor@redhat.com>
PR middle-end/95189
PR middle-end/95886
* builtins.c (inline_expand_builtin_string_cmp): Rename...
(inline_expand_builtin_bytecmp): ...to this.
(builtin_memcpy_read_str): Don't expect data to be nul-terminated.
(expand_builtin_memory_copy_args): Handle object representations
with embedded nul bytes.
(expand_builtin_memcmp): Same.
(expand_builtin_strcmp): Adjust call to naming change.
(expand_builtin_strncmp): Same.
* expr.c (string_constant): Create empty strings with nonzero size.
* fold-const.c (c_getstr): Rename locals and update comments.
* tree.c (build_string): Accept null pointer argument.
(build_string_literal): Same.
* tree.h (build_string): Provide a default.
(build_string_literal): Same.
2020-07-20 Richard Biener <rguenther@suse.de>
* cfganal.c (rev_post_order_and_mark_dfs_back_seme): Remove
write-only post array.
2020-07-20 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* gimple-fold.c (fold_const_aggregate_ref_1): For COMPONENT_REF
of a bitfield not aligned on byte boundaries try to
fold_ctor_reference DECL_BIT_FIELD_REPRESENTATIVE if any and
adjust it depending on endianity.
2020-07-20 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* fold-const.c (native_encode_initializer): Handle bit-fields.
2020-07-20 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (rs6000_option_override_internal):
Set param_vect_partial_vector_usage to 0 explicitly.
* doc/invoke.texi (vect-partial-vector-usage): Document new option.
* optabs-query.c (get_len_load_store_mode): New function.
* optabs-query.h (get_len_load_store_mode): New declare.
* params.opt (vect-partial-vector-usage): New.
* tree-vect-loop-manip.c (vect_set_loop_controls_directly): Add the
handlings for vectorization using length-based partial vectors, call
vect_gen_len for length generation, and rename some variables with
items instead of scalars.
(vect_set_loop_condition_partial_vectors): Add the handlings for
vectorization using length-based partial vectors.
(vect_do_peeling): Allow remaining eiters less than epilogue vf for
LOOP_VINFO_USING_PARTIAL_VECTORS_P.
* tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Init
epil_using_partial_vectors_p.
(_loop_vec_info::~_loop_vec_info): Call release_vec_loop_controls
for lengths destruction.
(vect_verify_loop_lens): New function.
(vect_analyze_loop): Add handlings for epilogue of loop when it's
marked to use vectorization using partial vectors.
(vect_analyze_loop_2): Add the check to allow only one vectorization
approach using partial vectorization at the same time. Check param
vect-partial-vector-usage for partial vectors decision. Mark
LOOP_VINFO_EPIL_USING_PARTIAL_VECTORS_P if the epilogue is
considerable to use partial vectors. Call release_vec_loop_controls
for lengths destruction.
(vect_estimate_min_profitable_iters): Adjust for loop vectorization
using length-based partial vectors.
(vect_record_loop_mask): Init factor to 1 for vectorization using
mask-based partial vectors.
(vect_record_loop_len): New function.
(vect_get_loop_len): Likewise.
* tree-vect-stmts.c (check_load_store_for_partial_vectors): Add
checks for vectorization using length-based partial vectors. Factor
some code to lambda function get_valid_nvectors.
(vectorizable_store): Add handlings when using length-based partial
vectors.
(vectorizable_load): Likewise.
(vect_gen_len): New function.
* tree-vectorizer.h (struct rgroup_controls): Add field factor
mainly for length-based partial vectors.
(vec_loop_lens): New typedef.
(_loop_vec_info): Add lens and epil_using_partial_vectors_p.
(LOOP_VINFO_EPIL_USING_PARTIAL_VECTORS_P): New macro.
(LOOP_VINFO_LENS): Likewise.
(LOOP_VINFO_FULLY_WITH_LENGTH_P): Likewise.
(vect_record_loop_len): New declare.
(vect_get_loop_len): Likewise.
(vect_gen_len): Likewise.
2020-07-20 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.c (mmix_option_override): Reinstate default
integer-emitting targetm.asm_out pseudos when dumping detailed
assembly-code.
(mmix_assemble_integer): Update comment.
2020-07-19 H.J. Lu <hjl.tools@gmail.com>
PR target/95973

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gcc/DATESTAMP
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20200720
20200721

10
gcc/c-family/ChangeLog
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2020-07-20 Jason Merrill <jason@redhat.com>
* c-cppbuiltin.c (c_cpp_builtins): Update
__cpp_nontype_template_args for C++20.
2020-07-20 Martin Sebor <msebor@redhat.com>
PR c/96249
* c.opt: Remove stray text.
2020-07-14 Lewis Hyatt <lhyatt@gmail.com>
PR other/86904

20
gcc/cp/ChangeLog
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2020-07-20 Jason Merrill <jason@redhat.com>
* pt.c (type_dependent_expression_p): A pseudo-dtor can be
dependent.
* semantics.c (finish_call_expr): Use build_trivial_dtor_call for
pseudo-destructor.
(finish_pseudo_destructor_expr): Leave type NULL for dependent arg.
2020-07-20 Jason Merrill <jason@redhat.com>
* mangle.c (write_base_ref): New.
(write_expression): Use it for base field COMPONENT_REFs.
* pt.c (invalid_tparm_referent_p): Canonicalize the type
of array offsets. Allow subobjects.
2020-07-20 Jason Merrill <jason@redhat.com>
* pt.c (collect_ctor_idx_types): Add 'const' when deducing from
a string constant.
2020-07-17 Marek Polacek <polacek@redhat.com>
PR c++/79815

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gcc/po/ChangeLog
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2020-07-20 Joseph Myers <joseph@codesourcery.com>
* gcc.pot: Regenerate.
2020-07-08 Joseph Myers <joseph@codesourcery.com>
* sv.po: Update.

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gcc/testsuite/ChangeLog
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2020-07-20 Jason Merrill <jason@redhat.com>
* g++.dg/opt/flifetime-dse7.C: New test.
2020-07-20 Jason Merrill <jason@redhat.com>
* g++.dg/cpp1z/nontype2.C: No error in C++20.
* g++.dg/template/nontype25.C: No error in C++20.
* g++.dg/template/nontype8.C: No error in C++20.
* g++.dg/cpp2a/nontype-subob1.C: New test.
* g++.dg/cpp2a/nontype-subob2.C: New test.
* g++.dg/cpp1z/nontype3.C: Now C++17-only.
* g++.dg/cpp2a/feat-cxx2a.C: Adjust expected value.
2020-07-20 Jason Merrill <jason@redhat.com>
* g++.dg/cpp2a/class-deduction-aggr7.C: New test.
2020-07-20 Yang Yang <yangyang305@huawei.com>
* gcc.target/aarch64/sve/pr96195.c: New test.
2020-07-20 Uroš Bizjak <ubizjak@gmail.com>
PR target/95750
* gcc.target/i386/pr95750.c: New test.
2020-07-20 Martin Sebor <msebor@redhat.com>
PR middle-end/95189
PR middle-end/95886
* gcc.dg/memcmp-pr95189.c: New test.
* gcc.dg/strncmp-3.c: New test.
* gcc.target/i386/memcpy-pr95886.c: New test.
2020-07-20 Alex Coplan <alex.coplan@arm.com>
PR jit/69435
* jit.dg/jit.exp (fixed_host_execute): Fix regex patterns to
always explicitly match newlines.
2020-07-20 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* gcc.dg/tree-ssa/pr93121-2.c: New test.
2020-07-20 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/93121
* gcc.dg/tree-ssa/pr93121-1.c: New test.
2020-07-20 Hans-Peter Nilsson <hp@bitrange.com>
* gcc.dg/const-uniq-1.c: Adjust scanned pattern for mmix.
2020-07-20 Hans-Peter Nilsson <hp@bitrange.com>
* gcc.dg/cdce3.c: Skip for mmix.
2020-07-20 Hans-Peter Nilsson <hp@bitrange.com>
* gcc.dg/pr87485.c: Require scheduling.
2020-07-19 H.J. Lu <hjl.tools@gmail.com>
PR target/95973

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libcpp/ChangeLog
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2020-07-20 Nathan Sidwell <nathan@acm.org>
* line-map.c (linemap_add): Simplify column overflow calculation.
Add comment about range and column bit init.
(linemap_ordinary_map_lookup): Refactor for RAII
(linemap_macro_map_lookup): Likewise.
2020-07-14 Lewis Hyatt <lhyatt@gmail.com>
PR preprocessor/49973

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libcpp/po/ChangeLog
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2020-07-20 Joseph Myers <joseph@codesourcery.com>
* cpplib.pot: Regenerate.
2020-05-15 Joseph Myers <joseph@codesourcery.com>
* sv.po: Update.

33
libstdc++-v3/ChangeLog
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2020-07-20 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (libtool_VERSION): Bump version.
* config.h.in: Regenerate.
* config/abi/pre/gnu.ver: Add GLIBCXX_3.4.29 version and new
exports.
* config/os/gnu-linux/ldbl-extra.ver: Add _GLIBCXX_LDBL_3.4.29
version and new export.
* configure: Regenerate.
* configure.ac: Check for <xlocale.h> and uselocale.
* crossconfig.m4: Add macro or checks for uselocale.
* include/std/charconv (from_chars): Declare overloads for
float, double, and long double.
* src/c++17/Makefile.am: Add new file.
* src/c++17/Makefile.in: Regenerate.
* src/c++17/floating_from_chars.cc: New file.
(from_chars): Define for float, double, and long double.
* testsuite/20_util/from_chars/1_c++20_neg.cc: Prune extra
diagnostics caused by new overloads.
* testsuite/20_util/from_chars/1_neg.cc: Likewise.
* testsuite/20_util/from_chars/2.cc: Check leading '+'.
* testsuite/20_util/from_chars/4.cc: New test.
* testsuite/20_util/from_chars/5.cc: New test.
* testsuite/util/testsuite_abi.cc: Add new symbol versions.
2020-07-20 Jonathan Wakely <jwakely@redhat.com>
* include/bits/istream.tcc
(basic_istream::get(__streambuf_type&, char_type): Use unsigned
long long for counter and check if it would overflow _M_gcount.
* testsuite/27_io/basic_istream/get/char/lwg3464.cc: New test.
* testsuite/27_io/basic_istream/get/wchar_t/lwg3464.cc: New test.
2020-07-17 Iain Sandoe <iain@sandoe.co.uk>
* include/std/coroutine: Mark the methods of the