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GCC Administrator 2020-09-17 00:16:31 +00:00
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190
gcc/ChangeLog
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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

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20200916
20200917

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gcc/analyzer/ChangeLog
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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

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gcc/c-family/ChangeLog
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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

25
gcc/cp/ChangeLog
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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

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gcc/fortran/ChangeLog
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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

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gcc/testsuite/ChangeLog
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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

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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

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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

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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