Daily bump.

10 files changed, 397 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 57a049a..1ff1b6f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,193 @@
+2020-09-16  Alexandre Oliva  <oliva@adacore.com>
+
+	* config/rs6000/rs6000.c (have_compare_and_set_mask): Use
+	E_*mode in cases.
+
+2020-09-16  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/predicates.md (current_file_function_operand):
+	Remove argument from rs6000_pcrel_p call.
+	* config/rs6000/rs6000-logue.c (rs6000_decl_ok_for_sibcall):
+	Likewise.
+	(rs6000_global_entry_point_prologue_needed_p): Likewise.
+	(rs6000_output_function_prologue): Likewise.
+	* config/rs6000/rs6000-protos.h (rs6000_function_pcrel_p): New
+	prototype.
+	(rs6000_pcrel_p): Remove argument.
+	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
+	argument from rs6000_pcrel_p call.
+	(rs6000_call_template_1): Likewise.
+	(rs6000_indirect_call_template_1): Likewise.
+	(rs6000_longcall_ref): Likewise.
+	(rs6000_call_aix): Likewise.
+	(rs6000_sibcall_aix): Likewise.
+	(rs6000_function_pcrel_p): Rename from rs6000_pcrel_p.
+	(rs6000_pcrel_p): Rewrite.
+	* config/rs6000/rs6000.md (*pltseq_plt_pcrel<mode>): Remove
+	argument from rs6000_pcrel_p call.
+	(*call_local<mode>): Likewise.
+	(*call_value_local<mode>): Likewise.
+	(*call_nonlocal_aix<mode>): Likewise.
+	(*call_value_nonlocal_aix<mode>): Likewise.
+	(*call_indirect_pcrel<mode>): Likewise.
+	(*call_value_indirect_pcrel<mode>): Likewise.
+
+2020-09-16  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/96935
+	* input.c (get_substring_ranges_for_loc): Return if start.column
+	is less than 1.
+
+2020-09-16  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/96295
+	* tree-ssa-uninit.c (maybe_warn_operand): Work harder to avoid
+	warning for objects of empty structs
+
+2020-09-16  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* tree-eh.c (lower_try_finally_dup_block): Backward propagate slocs
+	to stack restore builtin calls.
+	(cleanup_all_empty_eh): Do again a post-order traversal of the EH
+	region tree.
+
+2020-09-16  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* tree-vect-loop.c (vect_need_peeling_or_partial_vectors_p): New
+	function.
+	(vect_analyze_loop_2): Make use of it not to select partial
+	vectors if no peel is required.
+	(determine_peel_for_niter): Move out some logic into
+	'vect_need_peeling_or_partial_vectors_p'.
+
+2020-09-16  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/97032
+	* cfgexpand.c (asm_clobber_reg_kind): Set sp_is_clobbered_by_asm
+	to true if the stack pointer is clobbered by asm statement.
+	* emit-rtl.h (rtl_data): Add sp_is_clobbered_by_asm.
+	* config/i386/i386.c (ix86_get_drap_rtx): Set need_drap to true
+	if the stack pointer is clobbered by asm statement.
+
+2020-09-16  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* config/s390/vector.md(*vec_tf_to_v1tf): Use "f" instead of "v"
+	  for the source operand.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config.gcc (C-SKY): Set use_gcc_stdint=wrap for elf target.
+
+2020-09-16  Richard Biener  <rguenther@suse.de>
+
+	* tree-vectorizer.h (_stmt_vec_info::num_slp_uses): Remove.
+	(STMT_VINFO_NUM_SLP_USES): Likewise.
+	(vect_free_slp_instance): Adjust.
+	(vect_update_shared_vectype): Declare.
+	* tree-vectorizer.c (vec_info::~vec_info): Adjust.
+	* tree-vect-loop.c (vect_analyze_loop_2): Likewise.
+	(vectorizable_live_operation): Use vector type from
+	SLP_TREE_REPRESENTATIVE.
+	(vect_transform_loop): Adjust.
+	* tree-vect-data-refs.c (vect_slp_analyze_node_alignment):
+	Set the shared vector type.
+	* tree-vect-slp.c (vect_free_slp_tree): Remove final_p
+	parameter, remove STMT_VINFO_NUM_SLP_USES updating.
+	(vect_free_slp_instance): Adjust.
+	(vect_create_new_slp_node): Remove STMT_VINFO_NUM_SLP_USES
+	updating.
+	(vect_update_shared_vectype): Always compare with the
+	present vector type, update if NULL.
+	(vect_build_slp_tree_1): Do not update the shared vector
+	type here.
+	(vect_build_slp_tree_2): Adjust.
+	(slp_copy_subtree): Likewise.
+	(vect_attempt_slp_rearrange_stmts): Likewise.
+	(vect_analyze_slp_instance): Likewise.
+	(vect_analyze_slp): Likewise.
+	(vect_slp_analyze_node_operations_1): Update the shared
+	vector type.
+	(vect_slp_analyze_operations): Adjust.
+	(vect_slp_analyze_bb_1): Likewise.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config/csky/t-csky-linux (CSKY_MULTILIB_OSDIRNAMES): Use mfloat-abi.
+	(MULTILIB_OPTIONS): Likewise.
+	* config/csky/t-csky-elf (MULTILIB_OPTIONS): Likewise.
+	(MULTILIB_EXCEPTIONS): Likewise.
+
+2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/arm/arm.c (arm_option_restore): Comment out opts argument
+	name to avoid unused parameter warnings.
+
+2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	* optc-save-gen.awk: In cl_optimization_stream_out use
+	bp_pack_var_len_{int,unsigned} instead of bp_pack_value.  In
+	cl_optimization_stream_in use bp_unpack_var_len_{int,unsigned}
+	instead of bp_unpack_value.  Formatting fix.
+
+2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/97053
+	* gimple-ssa-store-merging.c (check_no_overlap): Add FIRST_ORDER,
+	START, FIRST_EARLIER and LAST_EARLIER arguments.  Return false if
+	any stores between FIRST_EARLIER inclusive and LAST_EARLIER exclusive
+	has order in between FIRST_ORDER and LAST_ORDER and overlaps the to
+	be merged store.
+	(imm_store_chain_info::try_coalesce_bswap): Add FIRST_EARLIER argument.
+	Adjust check_no_overlap caller.
+	(imm_store_chain_info::coalesce_immediate_stores): Add first_earlier
+	and last_earlier variables, adjust them during iterations.  Adjust
+	check_no_overlap callers, call check_no_overlap even when extending
+	overlapping stores by extra INTEGER_CST stores.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config/csky/csky-linux-elf.h (GLIBC_DYNAMIC_LINKER): Use mfloat-abi.
+
+2020-09-16  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR target/97019
+	* config/rs6000/rs6000-p8swap.c (find_alignment_op): Adjust to
+	support multiple defintions which are all AND operations with
+	the mask -16B.
+	(recombine_lvx_pattern): Adjust to handle multiple AND operations
+	from find_alignment_op.
+	(recombine_stvx_pattern): Likewise.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config/csky/csky.md (CSKY_NPARM_FREGS): New.
+	(call_value_internal_vs/d): New.
+	(untyped_call): New.
+	* config/csky/csky.h (TARGET_SINGLE_FPU): New.
+	(TARGET_DOUBLE_FPU): New.
+	(FUNCTION_VARG_REGNO_P): New.
+	(CSKY_VREG_MODE_P): New.
+	(FUNCTION_VARG_MODE_P): New.
+	(CUMULATIVE_ARGS): Add extra regs info.
+	(INIT_CUMULATIVE_ARGS): Use csky_init_cumulative_args.
+	(FUNCTION_ARG_REGNO_P): Use FUNCTION_VARG_REGNO_P.
+	* config/csky/csky-protos.h (csky_init_cumulative_args): Extern.
+	* config/csky/csky.c (csky_cpu_cpp_builtins): Support TARGET_HARD_FLOAT_ABI.
+	(csky_function_arg): Likewise.
+	(csky_num_arg_regs): Likewise.
+	(csky_function_arg_advance): Likewise.
+	(csky_function_value): Likewise.
+	(csky_libcall_value): Likewise.
+	(csky_function_value_regno_p): Likewise.
+	(csky_arg_partial_bytes): Likewise.
+	(csky_setup_incoming_varargs): Likewise.
+	(csky_init_cumulative_args): New.
+
+2020-09-16  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/rs6000-call.c (altivec_init_builtins): Fix name
+	of __builtin_altivec_xst_len_r.
+
 2020-09-15  Ilya Leoshkevich  <iii@linux.ibm.com>
 
 	* rtlanal.c (set_noop_p): Treat subregs of registers in
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index bc812c5..fae3fa1 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200916
+20200917
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 10cecaa..5a176c7 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,50 @@
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* engine.cc (strongly_connected_components::strong_connect): Only
+	consider intraprocedural edges when creating SCCs.
+	(worklist::key_t::cmp): Add comment.  Treat call_string
+	differences as more important than differences of program_point
+	within a supernode.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* engine.cc (supernode_cluster::dump_dot): Show the SCC id
+	in the per-supernode clusters in FILENAME.eg.dot output.
+	(exploded_graph_annotator::add_node_annotations):
+	Show the SCC of the supernode in FILENAME.supernode.eg.dot output.
+	* exploded-graph.h (worklist::scc_id): New.
+	(exploded_graph::get_scc_id): New.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* engine.cc (exploded_node::dump_dot): Show STATUS_BULK_MERGED.
+	(exploded_graph::process_worklist): Call
+	maybe_process_run_of_before_supernode_enodes.
+	(exploded_graph::maybe_process_run_of_before_supernode_enodes):
+	New.
+	(exploded_graph_annotator::print_enode): Show STATUS_BULK_MERGED.
+	* exploded-graph.h (enum exploded_node::status): Add
+	STATUS_BULK_MERGED.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* engine.cc
+	(exploded_graph::process_node) <case PK_BEFORE_SUPERNODE>:
+	Simplify by using program_point::get_next.
+	* program-point.cc (program_point::get_next): New.
+	* program-point.h (program_point::get_next): New decl.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* engine.cc (exploded_graph::get_or_create_node): Show the
+	program point when issuing -Wanalyzer-too-complex due to hitting
+	the per-program-point limit.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* region-model.cc (region_model::on_call_pre): Treat getchar as
+	having no side-effects.
+
 2020-09-15  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/96650
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 7380839..12e03b3 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,13 @@
+2020-09-16  Martin Sebor  <msebor@redhat.com>
+
+	PR c/78666
+	PR c/96126
+	* c-attribs.c (validate_attr_args): New function.
+	(validate_attr_arg): Same.
+	(handle_section_attribute): Call it.  Introduce a local variable.
+	(handle_alloc_size_attribute):  Same.
+	(handle_alloc_align_attribute): Same.
+
 2020-09-14  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-attribs.c (handle_optimize_attribute): Adjust
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ee4d1b7..b60ef4c 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,28 @@
+2020-09-16  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (cp_check_omp_declare_reduction): Return bool.
+	* semantics.c (cp_check_omp_declare_reduction): Return true on for
+	success.
+	* pt.c (push_template_decl_real): OMP reductions do not get a
+	template header.
+	(tsubst_function_decl): Remove special casing for local decl omp
+	reductions.
+	(tsubst_expr): Call instantiate_body for a local omp reduction.
+	(instantiate_body): Add nested_p parm, and deal with such
+	instantiations.
+	(instantiate_decl): Reject FUNCTION_SCOPE entities, adjust
+	instantiate_body call.
+
+2020-09-16  Nathan Sidwell  <nathan@acm.org>
+
+	* pt.c (instantiate_body): Remove 'nested' var, simplify
+	push_to_top logic.
+
+2020-09-16  Nathan Sidwell  <nathan@acm.org>
+
+	* pt.c (instantiate_body): New, broken out of ..
+	(instantiate_decl): ... here.  Call it.
+
 2020-09-15  Nathan Sidwell  <nathan@acm.org>
 
 	* pt.c (push_template_decl_real): OMP reductions retain a template
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 49f5dcc..e77ee45 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-16  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/97061
+	* trans-openmp.c (gfc_trans_omp_do): Handle simd with (last)private.
+
 2020-09-15  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/96668
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9fb4f4b..068ac69 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,97 @@
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/96653
+	* gcc.dg/analyzer/loop-0-up-to-n-by-1-with-iter-obj.c: Update
+	expected number of exploded nodes.
+	* gcc.dg/analyzer/malloc-vs-local-1a.c: Update expected number
+	of exploded nodes.
+	* gcc.dg/analyzer/pr96653.c: Remove -Wno-analyzer-too-complex.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* gcc.dg/analyzer/bzip2-arg-parse-1.c: New test.
+	* gcc.dg/analyzer/loop-n-down-to-1-by-1.c: Remove xfail.
+	* gcc.dg/analyzer/pr94851-1.c: Add xfail.
+
+2020-09-16  David Malcolm  <dmalcolm@redhat.com>
+
+	* gcc.dg/analyzer/getchar-1.c: New test.
+
+2020-09-16  Martin Sebor  <msebor@redhat.com>
+
+	PR c/78666
+	PR c/96126
+	* gcc.dg/attr-alloc_align-5.c: New test.
+	* gcc.dg/attr-alloc_size-13.c: New test.
+	* gcc.dg/attr-section.c: New test.
+	* c-c++-common/builtin-has-attribute-3.c: Add xfails due to expected
+	warnings to be cleaned up.
+
+2020-09-16  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/96935
+	* gcc.dg/format/pr96935.c: New test.
+
+2020-09-16  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/96295
+	* g++.dg/warn/Wuninitialized-11.C: New test.
+
+2020-09-16  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.dg/gomp/udr-2.C: Add additional expected error.
+
+2020-09-16  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/concat4.adb: New test.
+
+2020-09-16  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/97061
+	* gfortran.dg/gomp/openmp-simd-6.f90: New test.
+
+2020-09-16  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* gcc.target/aarch64/sve/cost_model_10.c: New test.
+	* gcc.target/aarch64/sve/clastb_8.c: Update test for new
+	vectorization strategy.
+	* gcc.target/aarch64/sve/cost_model_5.c: Likewise.
+	* gcc.target/aarch64/sve/struct_vect_14.c: Likewise.
+	* gcc.target/aarch64/sve/struct_vect_15.c: Likewise.
+	* gcc.target/aarch64/sve/struct_vect_16.c: Likewise.
+	* gcc.target/aarch64/sve/struct_vect_17.c: Likewise.
+
+2020-09-16  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/97032
+	* gcc.target/i386/pr97032.c: New test.
+
+2020-09-16  Feng Xue  <fxue@os.amperecomputing.com>
+
+	PR testsuite/97066
+	* gcc.dg/ifcvt-3.c: Modified to suppress simplification.
+	* gcc.dg/tree-ssa/20030807-10.c: Likewise.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* lib/target-supports.exp (check_profiling_available): Refine name of elf target.
+
+2020-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/97053
+	* gcc.dg/store_merging_31.c: New test.
+	* gcc.dg/store_merging_32.c: New test.
+
+2020-09-16  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR target/97019
+	* gcc.target/powerpc/pr97019.c: New test.
+
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* gcc.dg/builtin-apply2.c : Skip if CSKY.
+	* gcc.dg/torture/stackalign/builtin-apply-2.c : Likewise.
+
 2020-09-15  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/96650
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 76ff7fd..b6fbe28 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,20 @@
+2020-09-17  Ian Lance Taylor  <iant@golang.org>
+
+	PR libbacktrace/97080
+	* fileline.c (backtrace_syminfo_to_full_callback): New function.
+	(backtrace_syminfo_to_full_error_callback): New function.
+	* elf.c (elf_nodebug): Call syminfo_fn if possible.
+	* internal.h (struct backtrace_call_full): Define.
+	(backtrace_syminfo_to_full_callback): Declare.
+	(backtrace_syminfo_to_full_error_callback): Declare.
+	* mtest.c (f3): Only check all[i] if data.index permits.
+
+2020-09-16  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* macho.c (MACH_O_CPU_TYPE_PPC): New.
+	(MACH_O_CPU_TYPE_PPC64): New.
+	Add compile-tests for powerpc to the Mach-O variants.
+
 2020-09-14  Ian Lance Taylor  <iant@golang.org>
 
 	PR libbacktrace/93608
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index cc66cc4b..42585c8 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2020-09-16  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config.host (C-SKY): Enable crtbegin/crtend.o of libgcc for elf target.
+
 2020-09-09  Tom de Vries  <tdevries@suse.de>
 
 	* config/nvptx/atomic.c (__SYNC_SUBWORD_COMPARE_AND_SWAP): Fix
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 98c39c0..0e37557 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,7 @@
+2020-09-16  Nathan Sidwell  <nathan@acm.org>
+
+	* testsuite/libgomp.c++/udr-3.C: Add missing ctor.
+
 2020-09-15  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/96668