+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
+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
+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
projects / gcc.git / commitdiff