Daily bump.

8 files changed, 332 insertions, 1 deletions

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index d36e6f1bbcf..3cdedff6270 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2021-11-01  David Malcolm  <dmalcolm@redhat.com>
+
+	* unicode/utf8-dump.py: New file.
+
 2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
 
 	* gcc-changelog/git_commit.py (ignored_prefixes): Add libffi/.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4ff8e834f55..11d799c1e2f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,203 @@
+2021-11-01  Martin Liska  <mliska@suse.cz>
+
+	* opt-functions.awk: Add new sanity checking.
+	* optc-gen.awk: Add new argument to integer_range_info.
+	* params.opt: Update 2 params which have negative IntegerRange.
+
+2021-11-01  qing zhao  <qing.zhao@oracle.com>
+
+	* gimplify.c (gimplify_decl_expr): Do not add call to
+	__builtin_clear_padding when a variable is a gimple register
+	or it might not have padding.
+	(gimplify_init_constructor): Likewise.
+
+2021-11-01  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/arm/aarch-common-protos.h (struct vector_cost_table): Add
+	movi, dup and extract costing fields.
+	* config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs,
+	thunderx_extra_costs, thunderx2t99_extra_costs,
+	thunderx3t110_extra_costs, tsv110_extra_costs, a64fx_extra_costs): Use
+	them.
+	* config/arm/aarch-cost-tables.h (generic_extra_costs,
+	cortexa53_extra_costs, cortexa57_extra_costs, cortexa76_extra_costs,
+	exynosm1_extra_costs, xgene1_extra_costs): Likewise
+	* config/aarch64/aarch64-simd.md (aarch64_simd_dup<mode>): Add r->w dup.
+	* config/aarch64/aarch64.c (aarch64_rtx_costs): Add extra costs.
+
+2021-11-01  Tamar Christina  <tamar.christina@arm.com>
+
+	* cse.c (add_to_set): New.
+	(find_sets_in_insn): Register constants in sets.
+	(canonicalize_insn): Use auto_vec instead.
+	(cse_insn): Try materializing using vec_dup.
+	* rtl.h (simplify_context::simplify_gen_vec_select,
+	simplify_gen_vec_select): New.
+	* simplify-rtx.c (simplify_context::simplify_gen_vec_select): New.
+
+2021-11-01  David Malcolm  <dmalcolm@redhat.com>
+
+	* common.opt (fdiagnostics-escape-format=): New.
+	(diagnostics_escape_format): New enum.
+	(DIAGNOSTICS_ESCAPE_FORMAT_UNICODE): New enum value.
+	(DIAGNOSTICS_ESCAPE_FORMAT_BYTES): Likewise.
+	* diagnostic-format-json.cc (json_end_diagnostic): Add
+	"escape-source" attribute.
+	* diagnostic-show-locus.c
+	(exploc_with_display_col::exploc_with_display_col): Replace
+	"tabstop" param with a cpp_char_column_policy and add an "aspect"
+	param.  Use these to compute m_display_col accordingly.
+	(struct char_display_policy): New struct.
+	(layout::m_policy): New field.
+	(layout::m_escape_on_output): New field.
+	(def_policy): New function.
+	(make_range): Update for changes to exploc_with_display_col ctor.
+	(default_print_decoded_ch): New.
+	(width_per_escaped_byte): New.
+	(escape_as_bytes_width): New.
+	(escape_as_bytes_print): New.
+	(escape_as_unicode_width): New.
+	(escape_as_unicode_print): New.
+	(make_policy): New.
+	(layout::layout): Initialize new fields.  Update m_exploc ctor
+	call for above change to ctor.
+	(layout::maybe_add_location_range): Update for changes to
+	exploc_with_display_col ctor.
+	(layout::calculate_x_offset_display): Update for change to
+	cpp_display_width.
+	(layout::print_source_line): Pass policy
+	to cpp_display_width_computation. Capture cpp_decoded_char when
+	calling process_next_codepoint.  Move printing of source code to
+	m_policy.m_print_cb.
+	(line_label::line_label): Pass in policy rather than context.
+	(layout::print_any_labels): Update for change to line_label ctor.
+	(get_affected_range): Pass in policy rather than context, updating
+	calls to location_compute_display_column accordingly.
+	(get_printed_columns): Likewise, also for cpp_display_width.
+	(correction::correction): Pass in policy rather than tabstop.
+	(correction::compute_display_cols): Pass m_policy rather than
+	m_tabstop to cpp_display_width.
+	(correction::m_tabstop): Replace with...
+	(correction::m_policy): ...this.
+	(line_corrections::line_corrections): Pass in policy rather than
+	context.
+	(line_corrections::m_context): Replace with...
+	(line_corrections::m_policy): ...this.
+	(line_corrections::add_hint): Update to use m_policy rather than
+	m_context.
+	(line_corrections::add_hint): Likewise.
+	(layout::print_trailing_fixits): Likewise.
+	(selftest::test_display_widths): New.
+	(selftest::test_layout_x_offset_display_utf8): Update to use
+	policy rather than tabstop.
+	(selftest::test_one_liner_labels_utf8): Add test of escaping
+	source lines.
+	(selftest::test_diagnostic_show_locus_one_liner_utf8): Update to
+	use policy rather than tabstop.
+	(selftest::test_overlapped_fixit_printing): Likewise.
+	(selftest::test_overlapped_fixit_printing_utf8): Likewise.
+	(selftest::test_overlapped_fixit_printing_2): Likewise.
+	(selftest::test_tab_expansion): Likewise.
+	(selftest::test_escaping_bytes_1): New.
+	(selftest::test_escaping_bytes_2): New.
+	(selftest::diagnostic_show_locus_c_tests): Call the new tests.
+	* diagnostic.c (diagnostic_initialize): Initialize
+	context->escape_format.
+	(convert_column_unit): Update to use default character width policy.
+	(selftest::test_diagnostic_get_location_text): Likewise.
+	* diagnostic.h (enum diagnostics_escape_format): New enum.
+	(diagnostic_context::escape_format): New field.
+	* doc/invoke.texi (-fdiagnostics-escape-format=): New option.
+	(-fdiagnostics-format=): Add "escape-source" attribute to examples
+	of JSON output, and document it.
+	* input.c (location_compute_display_column): Pass in "policy"
+	rather than "tabstop", passing to
+	cpp_byte_column_to_display_column.
+	(selftest::test_cpp_utf8): Update to use cpp_char_column_policy.
+	* input.h (class cpp_char_column_policy): New forward decl.
+	(location_compute_display_column): Pass in "policy" rather than
+	"tabstop".
+	* opts.c (common_handle_option): Handle
+	OPT_fdiagnostics_escape_format_.
+	* selftest.c (temp_source_file::temp_source_file): New ctor
+	overload taking a size_t.
+	* selftest.h (temp_source_file::temp_source_file): Likewise.
+
+2021-11-01  Aldy Hernandez  <aldyh@redhat.com>
+
+	* dbgcnt.def: Add debug counter for back_thread[12] and
+	back_threadfull[12].
+	* passes.def: Pass "first" argument to each back threading pass.
+	* tree-ssa-threadbackward.c (back_threader::back_threader): Add
+	first argument.
+	(back_threader::debug_counter): New.
+	(back_threader::maybe_register_path): Call debug_counter.
+
+2021-11-01  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree-ssa-threadbackward.c (BT_NONE): New.
+	(BT_SPEED): New.
+	(BT_RESOLVE): New.
+	(back_threader::back_threader): Add flags.
+	Move loop initialization here.
+	(back_threader::~back_threader): New.
+	(back_threader::find_taken_edge_switch): Change solver and ranger
+	to pointers.
+	(back_threader::find_taken_edge_cond): Same.
+	(back_threader::find_paths_to_names): Same.
+	(back_threader::find_paths): Same.
+	(back_threader::dump): Same.
+	(try_thread_blocks): Merge into thread_blocks.
+	(back_threader::thread_blocks): New.
+	(do_early_thread_jumps): Merge into thread_blocks.
+	(do_thread_jumps): Merge into thread_blocks.
+	(back_threader::thread_through_all_blocks): Remove.
+
+2021-11-01  Andrew MacLeod  <amacleod@redhat.com>
+
+	PR tree-optimization/103003
+	* value-relation.cc (dom_oracle::register_relation): If the 2
+	ssa names are the same, don't register any relation.
+
+2021-11-01  Dan Li  <ashimida@linux.alibaba.com>
+
+	* config/aarch64/aarch64.c (aarch64_expand_epilogue): Remove
+	redundant check for calls_eh_return.
+	* config/aarch64/aarch64.md (*do_return): Likewise.
+
+2021-11-01  Xionghu Luo  <luoxhu@linux.ibm.com>
+
+	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Rename
+	duplicate_loop_to_header_edge to
+	duplicate_loop_body_to_header_edge.
+	(cfg_hook_duplicate_loop_body_to_header_edge): Likewise.
+	* cfghooks.h (struct cfg_hooks): Likewise.
+	(cfg_hook_duplicate_loop_body_to_header_edge): Likewise.
+	* cfgloopmanip.c (duplicate_loop_body_to_header_edge): Likewise.
+	(clone_loop_to_header_edge): Likewise.
+	* cfgloopmanip.h (duplicate_loop_body_to_header_edge): Likewise.
+	* cfgrtl.c (struct cfg_hooks): Likewise.
+	* doc/loop.texi: Likewise.
+	* loop-unroll.c (unroll_loop_constant_iterations): Likewise.
+	(unroll_loop_runtime_iterations): Likewise.
+	(unroll_loop_stupid): Likewise.
+	(apply_opt_in_copies): Likewise.
+	* tree-cfg.c (struct cfg_hooks): Likewise.
+	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
+	(try_peel_loop): Likewise.
+	* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
+	(gimple_duplicate_loop_body_to_header_edge): Likewise.
+	(tree_transform_and_unroll_loop): Likewise.
+	* tree-ssa-loop-manip.h (gimple_duplicate_loop_body_to_header_edge):
+	Likewise.
+
+2021-11-01  Xionghu Luo  <luoxhu@linux.ibm.com>
+
+	* cfgloopmanip.c (loop_version): Refactor loopify to
+	loop_version.  Move condition generation after loopify.
+	(loopify): Delete.
+	* cfgloopmanip.h (loopify): Delete.
+
 2021-10-31  Jan Hubicka  <hubicka@ucw.cz>
 
 	* ipa-fnsummary.c: Include tree-dfa.h.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index bcf6fe0c2c6..f8892a4f3f7 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211101
+20211102
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 18ba338c591..22e3847b291 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,8 @@
+2021-11-01  David Malcolm  <dmalcolm@redhat.com>
+
+	* c-lex.c (c_lex_with_flags): When complaining about non-printable
+	CPP_OTHER tokens, set the "escape on output" flag.
+
 2021-10-27  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-omp.c (c_omp_check_loop_iv_r): Don't clear 3rd bit for
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8bc9e437eb5..148118e2fb1 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,51 @@
+2021-11-01  Martin Liska  <mliska@suse.cz>
+
+	* g++.dg/ipa/modref-1.C: Fix test-suite pattern scanning.
+
+2021-11-01  qing zhao  <qing.zhao@oracle.com>
+
+	* c-c++-common/pr102281.c: New test.
+	* gcc.target/i386/auto-init-2.c: Adjust testing case.
+	* gcc.target/i386/auto-init-4.c: Likewise.
+	* gcc.target/i386/auto-init-6.c: Likewise.
+	* gcc.target/aarch64/auto-init-6.c: Likewise.
+
+2021-11-01  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/vect-cse-codegen.c: New test.
+
+2021-11-01  Tamar Christina  <tamar.christina@arm.com>
+
+	PR testsuite/103000
+	* gcc.dg/vect/complex/fast-math-bb-slp-complex-add-double.c:
+	Force unroll.
+	* gcc.dg/vect/complex/fast-math-bb-slp-complex-add-float.c: likewise
+	* gcc.dg/vect/complex/fast-math-bb-slp-complex-add-pattern-float.c:
+	Likewise
+	* gcc.dg/vect/complex/fast-math-bb-slp-complex-add-pattern-half-float.c:
+	Likewise.
+
+2021-11-01  David Malcolm  <dmalcolm@redhat.com>
+
+	* c-c++-common/diagnostic-format-json-1.c: Add regexp to consume
+	"escape-source" attribute.
+	* c-c++-common/diagnostic-format-json-2.c: Likewise.
+	* c-c++-common/diagnostic-format-json-3.c: Likewise.
+	* c-c++-common/diagnostic-format-json-4.c: Likewise, twice.
+	* c-c++-common/diagnostic-format-json-5.c: Likewise.
+	* gcc.dg/cpp/warn-normalized-4-bytes.c: New test.
+	* gcc.dg/cpp/warn-normalized-4-unicode.c: New test.
+	* gcc.dg/encoding-issues-bytes.c: New test.
+	* gcc.dg/encoding-issues-unicode.c: New test.
+	* gfortran.dg/diagnostic-format-json-1.F90: Add regexp to consume
+	"escape-source" attribute.
+	* gfortran.dg/diagnostic-format-json-2.F90: Likewise.
+	* gfortran.dg/diagnostic-format-json-3.F90: Likewise.
+
+2021-11-01  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gcc.dg/pr103003.c: New.
+
 2021-10-31  Jan Hubicka  <hubicka@ucw.cz>
 
 	* g++.dg/ipa/modref-1.C: New test.
diff --git a/libcody/ChangeLog b/libcody/ChangeLog
index 1fa12d81610..3fec73f33cc 100644
--- a/libcody/ChangeLog
+++ b/libcody/ChangeLog
@@ -1,3 +1,8 @@
+2021-11-01  Martin Liska  <mliska@suse.cz>
+
+	PR other/102657
+	* Makefile.in: Add mostlyclean Makefile target.
+
 2021-10-21  Jonathan Wakely  <jwakely@redhat.com>
 
 	* netserver.cc (ListenInet6): Set pointer to null after
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 82e0ecae8bb..e0e71a40e05 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,50 @@
+2021-11-01  David Malcolm  <dmalcolm@redhat.com>
+
+	* charset.c (convert_escape): Use encoding_rich_location when
+	complaining about nonprintable unknown escape sequences.
+	(cpp_display_width_computation::::cpp_display_width_computation):
+	Pass in policy rather than tabstop.
+	(cpp_display_width_computation::process_next_codepoint): Add "out"
+	param and populate *out if non-NULL.
+	(cpp_display_width_computation::advance_display_cols): Pass NULL
+	to process_next_codepoint.
+	(cpp_byte_column_to_display_column): Pass in policy rather than
+	tabstop.  Pass NULL to process_next_codepoint.
+	(cpp_display_column_to_byte_column): Pass in policy rather than
+	tabstop.
+	* errors.c (cpp_diagnostic_get_current_location): New function,
+	splitting out the logic from...
+	(cpp_diagnostic): ...here.
+	(cpp_warning_at): New function.
+	(cpp_pedwarning_at): New function.
+	* include/cpplib.h (cpp_warning_at): New decl for rich_location.
+	(cpp_pedwarning_at): Likewise.
+	(struct cpp_decoded_char): New.
+	(struct cpp_char_column_policy): New.
+	(cpp_display_width_computation::cpp_display_width_computation):
+	Replace "tabstop" param with "policy".
+	(cpp_display_width_computation::process_next_codepoint): Add "out"
+	param.
+	(cpp_display_width_computation::m_tabstop): Replace with...
+	(cpp_display_width_computation::m_policy): ...this.
+	(cpp_byte_column_to_display_column): Replace "tabstop" param with
+	"policy".
+	(cpp_display_width): Likewise.
+	(cpp_display_column_to_byte_column): Likewise.
+	* include/line-map.h (rich_location::escape_on_output_p): New.
+	(rich_location::set_escape_on_output): New.
+	(rich_location::m_escape_on_output): New.
+	* internal.h (cpp_diagnostic_get_current_location): New decl.
+	(class encoding_rich_location): New.
+	* lex.c (skip_whitespace): Use encoding_rich_location when
+	complaining about null characters.
+	(warn_about_normalization): Generate a source range when
+	complaining about improperly normalized tokens, rather than just a
+	point, and use encoding_rich_location so that the source code
+	is escaped on printing.
+	* line-map.c (rich_location::rich_location): Initialize
+	m_escape_on_output.
+
 2021-10-29  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR c++/102409
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index e1f2d4cbd58..fc7da180035 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,25 @@
+2021-11-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/debug/stl_iterator.h (__valid_range): Add constexpr
+	for C++20. Qualify call to avoid ADL.
+	(__get_distance, __can_advance, __unsafe, __base): Likewise.
+	* testsuite/25_algorithms/move/constexpr.cc: Also check with
+	std::reverse_iterator arguments.
+
+2021-11-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/span (span(Range&&)): Reorder constraints.
+
+2021-11-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/103022
+	* include/std/valarray (begin, end): Do not dereference an empty
+	valarray. Add noexcept and [[nodiscard]].
+	* testsuite/26_numerics/valarray/range_access.cc: Check empty
+	valarray. Check iterator properties. Run as well as compiling.
+	* testsuite/26_numerics/valarray/range_access2.cc: Likewise.
+	* testsuite/26_numerics/valarray/103022.cc: New test.
+
 2021-10-29  Jonathan Wakely  <jwakely@redhat.com>
 
 	* testsuite/23_containers/stack/deduction.cc: Fix typo.