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2016-08-12re PR c/7652 (-Wswitch-break : Warn if a switch case falls through)Marek Polacek1-1/+4
PR c/7652 gcc/ * alias.c (find_base_value): Adjust fall through comment. * cfgexpand.c (expand_debug_expr): Likewise. * combine.c (find_split_point): Likewise. (expand_compound_operation): Likewise. Add FALLTHRU. (make_compound_operation): Adjust fall through comment. (canon_reg_for_combine): Add FALLTHRU. (force_to_mode): Adjust fall through comment. (simplify_shift_const_1): Likewise. (simplify_comparison): Likewise. * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add FALLTHRU. * config/aarch64/predicates.md: Likewise. * config/i386/i386.c (function_arg_advance_32): Likewise. (ix86_gimplify_va_arg): Likewise. (print_reg): Likewise. (ix86_print_operand): Likewise. (ix86_build_const_vector): Likewise. (ix86_expand_branch): Likewise. (ix86_sched_init_global): Adjust fall through comment. (ix86_expand_args_builtin): Add FALLTHRU. (ix86_expand_builtin): Likewise. (ix86_expand_vector_init_one_var): Likewise. * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise. (rs6000_adjust_cost): Likewise. (insn_must_be_first_in_group): Likewise. * config/rs6000/rs6000.md: Likewise. Adjust fall through comment. * dbxout.c (dbxout_symbol): Adjust fall through comment. * df-scan.c (df_uses_record): Likewise. * dojump.c (do_jump): Add FALLTHRU. * dwarf2out.c (mem_loc_descriptor): Likewise. Adjust fall through comment. (resolve_args_picking_1): Adjust fall through comment. (loc_list_from_tree_1): Likewise. * expmed.c (make_tree): Likewise. * expr.c (expand_expr_real_2): Add FALLTHRU. (expand_expr_real_1): Likewise. Adjust fall through comment. * fold-const.c (const_binop): Adjust fall through comment. (fold_truth_not_expr): Likewise. (fold_cond_expr_with_comparison): Add FALLTHRU. (fold_binary_loc): Likewise. (contains_label_1): Adjust fall through comment. (multiple_of_p): Likewise. * gcov-tool.c (process_args): Add FALLTHRU. * genattrtab.c (check_attr_test): Likewise. (write_test_expr): Likewise. * genconfig.c (walk_insn_part): Likewise. * genpreds.c (validate_exp): Adjust fall through comment. (needs_variable): Likewise. * gensupport.c (get_alternatives_number): Add FALLTHRU. (subst_dup): Likewise. * gimple-pretty-print.c (dump_gimple_assign): Likewise. * gimplify.c (gimplify_addr_expr): Adjust fall through comment. (gimplify_scan_omp_clauses): Add FALLTHRU. (goa_stabilize_expr): Likewise. * graphite-isl-ast-to-gimple.c (substitute_ssa_name): Adjust fall through comment. * hsa-gen.c (get_address_from_value): Likewise. * ipa-icf.c (sem_function::hash_stmt): Likewise. * ira.c (ira_setup_alts): Add FALLTHRU. * lra-eliminations.c (lra_eliminate_regs_1): Adjust fall through comment. * lto-streamer-out.c (lto_output_tree_ref): Add FALLTHRU. * opts.c (common_handle_option): Likewise. * read-rtl.c (read_rtx_code): Likewise. * real.c (round_for_format): Likewise. * recog.c (asm_operand_ok): Likewise. * reginfo.c (reg_scan_mark_refs): Adjust fall through comment. * reload1.c (set_label_offsets): Likewise. (eliminate_regs_1): Likewise. (reload_reg_reaches_end_p): Likewise. * rtlanal.c (commutative_operand_precedence): Add FALLTHRU. (rtx_cost): Likewise. * sched-rgn.c (is_exception_free): Likewise. * simplify-rtx.c (simplify_rtx): Adjust fall through comment. * stor-layout.c (int_mode_for_mode): Likewise. * toplev.c (print_to_asm_out_file): Likewise. (print_to_stderr): Likewise. * tree-cfg.c (gimple_verify_flow_info): Likewise. * tree-chrec.c (chrec_fold_plus_1): Add FALLTHRU. (chrec_fold_multiply): Likewise. (evolution_function_is_invariant_rec_p): Likewise. (for_each_scev_op): Likewise. * tree-data-ref.c (siv_subscript_p): Likewise. (get_references_in_stmt): Likewise. * tree.c (find_placeholder_in_expr): Adjust fall through comment. (substitute_in_expr): Likewise. (type_cache_hasher::equal): Likewise. (walk_type_fields): Likewise. * var-tracking.c (adjust_mems): Add FALLTHRU. (set_dv_changed): Adjust fall through comment. * varasm.c (default_function_section): Add FALLTHRU. gcc/c-family/ * c-common.c (scalar_to_vector): Adjust fall through comment. * c-opts.c (c_common_handle_option): Likewise. * c-pragma.c (handle_pragma_pack): Add FALLTHRU. * c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust fall through comment. * cilk.c (extract_free_variables): Add FALLTHRU. gcc/c/ * c-parser.c (c_parser_external_declaration): Add FALLTHRU. (c_parser_postfix_expression): Likewise. * c-typeck.c (build_unary_op): Adjust fall through comment. (c_mark_addressable): Likewise. gcc/cp/ * call.c (add_builtin_candidate): Add FALLTHRU. (build_integral_nontype_arg_conv): Adjust fall through comment. (build_new_op_1): Add FALLTHRU. (convert_like_real): Adjust fall through comment. * class.c (fixed_type_or_null): Likewise. * constexpr.c (cxx_eval_constant_expression): Likewise. (potential_constant_expression_1): Likewise. Add FALLTHRU. * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment. (cp_fold): Add FALLTHRU. * cvt.c (build_expr_type_conversion): Adjust fall through comment. * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU. (pp_cxx_qualified_id): Likewise. (cxx_pretty_printer::constant): Adjust fall through comment. (cxx_pretty_printer::primary_expression): Add FALLTHRU. (pp_cxx_pm_expression): Adjust fall through comment. (cxx_pretty_printer::expression): Add FALLTHRU. (cxx_pretty_printer::declaration_specifiers): Reformat code. (pp_cxx_type_specifier_seq): Adjust fall through comment. (pp_cxx_ptr_operator): Likewise. Add FALLTHRU. * error.c (dump_type): Adjust fall through comment. (dump_decl): Likewise. * mangle.c (write_type): Likewise. * method.c (synthesized_method_walk): Add FALLTHRU. * name-lookup.c (arg_assoc_type): Likewise. * parser.c (cp_lexer_print_token): Adjust fall through comment. (cp_parser_primary_expression): Add FALLTHRU. (cp_parser_operator): Likewise. * pt.c (find_parameter_packs_r): Likewise. (tsubst_aggr_type): Adjust fall through comment. * semantics.c (finish_omp_clauses): Add FALLTHRU. * tree.c (lvalue_kind): Likewise. gcc/fortran/ * decl.c (match_attr_spec): Add FALLTHRU. * primary.c (match_arg_list_function): Likewise. * resolve.c (resolve_operator): Adjust fall through comment. (fixup_charlen): Add FALLTHRU. (resolve_allocate_expr): Adjust fall through comment. * trans-array.c (gfc_conv_ss_startstride): Add FALLTHRU. * trans-intrinsic.c (gfc_conv_intrinsic_len): Adjust fall through comment. gcc/java/ * expr.c (java_truthvalue_conversion): Adjust fall through comment. * jcf-io.c (verify_constant_pool): Likewise. * typeck.c (promote_type): Likewise. gcc/objc/ * objc-encoding.c (encode_type): Add FALLTHRU. libcpp/ * lex.c (search_line_fast): Add FALLTHRU. (_cpp_lex_direct): Likewise. (cpp_token_val_index): Adjust fall through comment. * macro.c (parse_params): Add FALLTHRU. * pch.c (count_defs): Adjust fall through comment. (write_defs): Likewise. libiberty/ * cp-demangle.c (d_print_mod): Add FALLTHRU. From-SVN: r239410
2016-07-13re PR tree-optimization/71104 (ICE: verify_ssa failed (with vfork / error: ↵Richard Biener1-0/+12
definition in block 3 does not dominate use in block 7 )) 2016-07-13 Richard Biener <rguenther@suse.de> PR middle-end/71104 * gimplify.c (gimplify_modify_expr): Gimplify the RHS before gimplifying the LHS. Make sure to gimplify a returning twice call LHS without using SSA names. * gcc.dg/pr71104-1.c: New testcase. * gcc.dg/pr71104-2.c: Likewise. From-SVN: r238287
2016-07-11Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG.Bernd Edlinger1-3/+2
2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de> Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG. * tree-core.h (tree_base::nothrow_flag): Adjust comment. (tree_type_common::lang_flag_7): New. (tree_type_common::spare): Reduce size. * tree.h (TYPE_ALIGN_OK): Remove. (TYPE_LANG_FLAG_7): New. (get_inner_reference): Adjust header. * print-tree.c (print_node): Adjust. * expr.c (get_inner_reference): Remove parameter keep_aligning. (get_bit_range, expand_assignment, expand_expr_addr_expr_1): Adjust calls to get_inner_reference. (expand_expr_real_1): Adjust call to get_inner_reference. Remove handling of TYPE_ALIGN_OK. * builtins.c (get_object_alignment_2): Adjust call to get_inner_reference. Remove handling of VIEW_CONVERT_EXPR. * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove handling of TYPE_ALIGN_OK. * asan.c (instrument_derefs): Adjust calls to get_inner_reference. * cfgexpand.c (expand_debug_expr): Likewise. * dbxout.c (dbxout_expand_expr): Likewise. * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref, loc_list_from_tree, fortran_common): Likewise. * fold-const.c (optimize_bit_field_compare, decode_field_reference, fold_unary_loc, fold_comparison, split_address_to_core_and_offset): Likewise. * gimple-laddress.c (execute): Likewise. * gimple-ssa-strength-reduction.c (slsr_process_ref): Likewise. * gimplify.c (gimplify_scan_omp_clauses): Likewise. * hsa-gen.c (gen_hsa_addr): Likewise. * simplifx-rtx.c (delegitimize_mem_from_attrs): Likewise. * tsan.c (instrument_expr): Likewise. * ubsan.c (instrument_bool_enum_load, instrument_object_size): Likewise. * tree.c (verify_type_variant): Remove handling of TYPE_ALIGN_OK. * tree-affine.c (tree_to_aff_combination, get_inner_reference_aff): Adjust calls to get_inner_reference. * tree-data-ref.c (split_constant_offset_1, dr_analyze_innermost): Likewise. * tree-scalar-evolution.c (interpret_rhs_expr): Likewise. * tree-sra.c (ipa_sra_check_caller): Likewise. * tree-ssa-loop-ivopts.c (split_address_cost): Likewise. * tree-ssa-math-opts.c (find_bswap_or_nop_load, bswap_replace): Likewise. * tree-vect-data-refs.c (vect_check_gather, vect_analyze_data_refs): Likewise. * config/mips/mips.c (r10k_safe_mem_expr_p): Likewise. * config/pa/pa.c (pa_emit_move_sequence): Remove handling of TYPE_ALIGN_OK. ada: 2016-07-11 Bernd Edlinger <bernd.edlinger@hotmail.de> Convert TYPE_ALIGN_OK to a TYPE_LANG_FLAG. * gcc-interface/ada-tree.h (TYPE_ALIGN_OK): Define. * gcc-interface/trans.c (Attribute_to_gnu): Adjust call to get_inner_reference. * gcc-interface/utils2.c (build_unary_op): Likewise. From-SVN: r238210
2016-07-08P0145: Refining Expression Order for C++ (assignment)Jason Merrill1-6/+31
* gimplify.c (initial_rhs_predicate_for): New. (gimplfy_modify_expr): Gimplify RHS before LHS. Co-Authored-By: Richard Biener <rguenther@suse.de> From-SVN: r238175
2016-06-16gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs with base of ↵Jakub Jelinek1-6/+49
reference to struct. * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs with base of reference to struct. * parser.c (cp_parser_omp_var_list_no_open): Call convert_from_reference before cp_parser_postfix_dot_deref_expression. * semantics.c (finish_omp_clauses): Don't ICE when processing_template_decl when checking for bitfields and unions. Look through REFERENCE_REF_P as base of COMPONENT_REF. * testsuite/libgomp.c++/target-20.C: New test. From-SVN: r237538
2016-06-13re PR middle-end/71476 (ICE in gimplify_switch_expr with -Wswitch-unreachable)Marek Polacek1-33/+69
PR middle-end/71476 * gimplify.c (maybe_warn_switch_unreachable): Factored out of gimplify_switch_expr. (warn_switch_unreachable_r): New function. * c-c++-common/Wswitch-unreachable-4.c: New test. * gcc.dg/Wswitch-unreachable-2.c: New test. * g++.dg/tm/jump1.C: Move dg-warning. From-SVN: r237367
2016-06-10[PR middle-end/71373] Handle more OMP_CLAUSE_* in nested function decompositionThomas Schwinge1-0/+6
gcc/ * gimplify.c (gimplify_adjust_omp_clauses): Discard OMP_CLAUSE_TILE. * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE. gcc/testsuite/ * c-c++-common/goacc/combined-directives.c: XFAIL tree scanning for OpenACC tile clauses. * gfortran.dg/goacc/combined-directives.f90: Likewise. gcc/ PR middle-end/71373 * tree-nested.c (convert_nonlocal_omp_clauses) (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO, OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE. gcc/testsuite/ PR middle-end/71373 * gcc.dg/goacc/nested-function-1.c: New file. * gcc.dg/goacc/nested-function-2.c: Likewise. * gcc.dg/goacc/pr71373.c: Likewise. * gfortran.dg/goacc/cray-2.f95: Likewise. * gfortran.dg/goacc/loop-1-2.f95: Likewise. * gfortran.dg/goacc/loop-3-2.f95: Likewise. * gfortran.dg/goacc/cray.f95: Update. * gfortran.dg/goacc/loop-1.f95: Likewise. * gfortran.dg/goacc/loop-3.f95: Likewise. * gfortran.dg/goacc/subroutines.f90: Update, and rename to... * gfortran.dg/goacc/nested-function-1.f90: ... this new file. libgomp/testsuite/ PR middle-end/71373 * libgomp.oacc-c/nested-function-1.c: New file. * libgomp.oacc-c/nested-function-2.c: Likewise. * libgomp.oacc-fortran/nested-function-1.f90: Likewise. * libgomp.oacc-fortran/nested-function-2.f90: Likewise. * libgomp.oacc-fortran/nested-function-3.f90: Likewise. Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com> From-SVN: r237291
2016-06-01re PR middle-end/71371 (ICE with OpenMP taskloop and addressable iterator)Jakub Jelinek1-0/+5
PR middle-end/71371 * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp around creation of the temporary. * c-c++-common/gomp/pr71371.c: New test. From-SVN: r236994
2016-06-01Remove the unused OMP_CLAUSE_DEVICE_RESIDENTThomas Schwinge1-5/+0
gcc/ * tree-core.h (enum omp_clause_code): Remove OMP_CLAUSE_DEVICE_RESIDENT. Adjust all users. From-SVN: r236985
2016-05-31gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.Marek Polacek1-3/+10
* gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY. * c-c++-common/Wswitch-unreachable-3.c: New test. * g++.dg/warn/Wswitch-unreachable-1.C: New test. From-SVN: r236924
2016-05-24c-parser.c (c_parser_oacc_declare): Add support for ↵Cesar Philippidis1-1/+17
GOMP_MAP_FIRSTPRIVATE_POINTER. gcc/c/ * c-parser.c (c_parser_oacc_declare): Add support for GOMP_MAP_FIRSTPRIVATE_POINTER. * c-typeck.c (handle_omp_array_sections_1): Replace bool is_omp argument with enum c_omp_region_type ort. (handle_omp_array_sections): Likewise. Update call to handle_omp_array_sections_1. (c_finish_omp_clauses): Add specific errors and warning messages for OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update call to handle_omp_array_sections. gcc/cp/ * parser.c (cp_parser_oacc_declare): Add support for GOMP_MAP_FIRSTPRIVATE_POINTER. * semantics.c (handle_omp_array_sections_1): Replace bool is_omp argument with enum c_omp_region_type ort. Don't privatize OpenACC non-static members. (handle_omp_array_sections): Replace bool is_omp argument with enum c_omp_region_type ort. Update call to handle_omp_array_sections_1. (finish_omp_clauses): Add specific errors and warning messages for OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update call to handle_omp_array_sections. gcc/ * gimplify.c (omp_notice_variable): Use zero-length arrays for data pointers inside OACC_DATA regions. (gimplify_scan_omp_clauses): Prune firstprivate clause associated with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions. (gimplify_adjust_omp_clauses): Fix typo in comment. gcc/testsuite/ * c-c++-common/goacc/data-clause-duplicate-1.c: Adjust test. * c-c++-common/goacc/deviceptr-1.c: Likewise. * c-c++-common/goacc/kernels-alias-3.c: Likewise. * c-c++-common/goacc/kernels-alias-4.c: Likewise. * c-c++-common/goacc/kernels-alias-5.c: Likewise. * c-c++-common/goacc/kernels-alias-8.c: Likewise. * c-c++-common/goacc/kernels-alias-ipa-pta-3.c: Likewise. * c-c++-common/goacc/pcopy.c: Likewise. * c-c++-common/goacc/pcopyin.c: Likewise. * c-c++-common/goacc/pcopyout.c: Likewise. * c-c++-common/goacc/pcreate.c: Likewise. * c-c++-common/goacc/pr70688.c: New test. * c-c++-common/goacc/present-1.c: Adjust test. * c-c++-common/goacc/reduction-5.c: Likewise. * g++.dg/goacc/data-1.C: New test. libgomp/ * oacc-mem.c (acc_malloc): Update handling of shared-memory targets. (acc_free): Likewise. (acc_memcpy_to_device): Likewise. (acc_memcpy_from_device): Likewise. (acc_deviceptr): Likewise. (acc_hostptr): Likewise. (acc_is_present): Likewise. (acc_map_data): Likewise. (acc_unmap_data): Likewise. (present_create_copy): Likewise. (delete_copyout): Likewise. (update_dev_host): Likewise. * testsuite/libgomp.oacc-c-c++-common/asyncwait-1.c: Remove xfail. * testsuite/libgomp.oacc-c-c++-common/data-2-lib.c: New test. * testsuite/libgomp.oacc-c-c++-common/data-2.c: Adjust test. * testsuite/libgomp.oacc-c-c++-common/data-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/enter_exit-lib.c: New test. * testsuite/libgomp.oacc-c-c++-common/lib-13.c: Adjust test so that it only runs on nvptx targets. * testsuite/libgomp.oacc-c-c++-common/lib-14.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-15.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-16.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-17.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-18.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-20.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-21.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-22.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-23.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-24.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-25.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-28.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-29.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-30.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-34.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-42.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-43.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-44.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-47.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-48.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-52.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-53.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/lib-54.c: Likewise. From-SVN: r236678
2016-05-24re PR middle-end/71249 (-Wswitch-unreachable false positive for a compound ↵Marek Polacek1-2/+3
statement containing a used label) PR c/71249 * gimplify.c (gimplify_switch_expr): Look into the innermost lexical scope. * c-c++-common/Wswitch-unreachable-2.c: New test. From-SVN: r236649
2016-05-24tree-cfg.h (should_remove_lhs_p): New predicate.Marek Polacek1-3/+1
* tree-cfg.h (should_remove_lhs_p): New predicate. * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it. * gimplify.c (gimplify_modify_expr): Likewise. * tree-cfg.c (verify_gimple_call): Likewise. * tree-cfgcleanup.c (fixup_noreturn_call): Likewise. * gimple-fold.c: Include "tree-cfg.h". (gimple_fold_call): Use should_remove_lhs_p. From-SVN: r236637
2016-05-23re PR c/49859 (gcc could warn about statements between "switch" and first ↵Marek Polacek1-0/+26
"case") PR c/49859 * common.opt (Wswitch-unreachable): New option. * doc/invoke.texi: Document -Wswitch-unreachable. * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable warning. * c-c++-common/Wswitch-unreachable-1.c: New test. * gcc.dg/Wswitch-unreachable-1.c: New test. * c-c++-common/goacc/sb-2.c (void foo): Add dg-warning. * g++.dg/cpp0x/lambda/lambda-switch.C (main): Likewise. * g++.dg/gomp/block-10.C: Likewise. * gcc.dg/gomp/block-10.c: Likewise. * g++.dg/gomp/block-9.C: Likewise. * gcc.dg/gomp/block-9.c: Likewise. * g++.dg/gomp/target-1.C: Likewise. * g++.dg/gomp/target-2.C: Likewise. * gcc.dg/gomp/target-1.c: Likewise. * gcc.dg/gomp/target-2.c: Likewise. * g++.dg/gomp/taskgroup-1.C: Likewise. * gcc.dg/gomp/taskgroup-1.c: Likewise. * gcc.dg/gomp/teams-1.c: Likewise. * g++.dg/gomp/teams-1.C: Likewise. * g++.dg/overload/error3.C: Likewise. * g++.dg/tm/jump1.C: Likewise. * g++.dg/torture/pr40335.C: Likewise. * gcc.dg/c99-vla-jump-5.c: Likewise. * gcc.dg/switch-warn-1.c: Likewise. * gcc.dg/Wjump-misses-init-1.c: Use -Wno-switch-unreachable. * gcc.dg/nested-func-1.c: Likewise. * gcc.dg/pr67784-4.c: Likewise. From-SVN: r236597
2016-05-20re PR target/29756 (SSE intrinsics hard to use without redundant temporaries ↵Richard Guenther1-0/+4
appearing) 2016-05-20 Richard Guenther <rguenther@suse.de> PR tree-optimization/29756 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code. * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR. * fold-const.c (operand_equal_p): Likewise. (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR. * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR. * tree-inline.c (estimate_operator_cost): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * gimple-pretty-print.c (dump_ternary_rhs): Likewise. * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR. * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR. * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite vector inserts using BIT_FIELD_REF or MEM_REF on the lhs. (execute_update_addresses_taken): Do it. * gcc.dg/tree-ssa/vector-6.c: New testcase. From-SVN: r236501
2016-05-11re PR middle-end/71002 (-fstrict-aliasing breaks Boost's short string ↵Richard Biener1-1/+1
optimization implementation) 2016-05-11 Richard Biener <rguenther@suse.de> PR middle-end/71002 * alias.c (reference_alias_ptr_type): Preserve alias-set zero if the langhook insists on it. * fold-const.c (make_bit_field_ref): Add arg for the original reference and preserve its alias-set. (decode_field_reference): Take exp by reference and adjust it to the original memory reference. (optimize_bit_field_compare): Adjust callers. (fold_truth_andor_1): Likewise. * gimplify.c (gimplify_expr): Adjust in-SSA form test. * g++.dg/torture/pr71002.C: New testcase. From-SVN: r236117
2016-05-03PR c++/66561 - __builtin_LINE at al. should yield constant expressionsMartin Sebor1-19/+1
PR c++/66561 - __builtin_LINE at al. should yield constant expressions PR c++/66639 - declare __func__, __FUNCTION__ & __PRETTY_FUNCTION__ constexpr gcc/testsuite/ChangeLog: 2016-05-03 Martin Sebor <msebor@redhat.com> PR c++/66561 * c-c++-common/builtin_location.c: New test. * g++.dg/cpp1y/builtin_location.C: New test. gcc/cp/ChangeLog: 2016-05-03 Martin Sebor <msebor@redhat.com> PR c++/66561 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions. gcc/ChangeLog: 2016-05-03 Martin Sebor <msebor@redhat.com> PR c++/66561 * builtins.c (fold_builtin_FILE): New function. (fold_builtin_FUNCTION, fold_builtin_LINE): New functions. (fold_builtin_0): Call them. * gimplify.c (gimplify_call_expr): Remove the handling of BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE. PR c++/66561 * doc/extend.texi (Other Builtins): Update __builtin_FILE, __builtin_FUNCTION, and __builtin_LINE to reflect they yield constants. PR c++/66639 * doc/extend.texi (Function Names as Strings): Update __func__, __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to constants. From-SVN: r235845
2016-05-03gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter default true.Richard Biener1-30/+95
2016-05-03 Richard Biener <rguenther@suse.de> * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter default true. (gimplify_arg): Likewise. * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter, re-writing the result to a decl if required. (internal_get_tmp_var): Add allow_ssa parameter and override into_ssa with it. (get_formal_tmp_var): Adjust. (get_initialized_tmp_var): Add allow_ssa parameter. (gimplify_arg): Add allow_ssa parameter and avoid generating SSA names for the result false. (gimplify_call_expr): If the call may return twice do not gimplify parameters into SSA. (prepare_gimple_addressable): Do not allow an SSA name as temporary. (gimplify_modify_expr): Adjust assert. For noreturn calls with a SSA name LHS adjust its def. (gimplify_save_expr): Do not allow an SSA name as save-expr result. (gimplify_one_sizepos): Do not allow an SSA name as a sizepos. (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA. (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not an SSA name. Likewise for OMP_CLAUSE_REDUCTION operands. (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL. Likewise for OMP_FOR_COND, OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP. (optimize_target_teams): Do not allow SSA names for clause operands. (gimplify_expr): Likewise for where we mark the result addressable. * passes.def (pass_init_datastructures): Remove. * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names. (rewrite_stmt): Likewise. * tree-inline.c (initialize_cfun): Properly transfer SSA state. (replace_locals_op): Replace SSA names. (copy_gimple_seq_and_replace_locals): Init src_cfun. * gimple-low.c (lower_builtin_setjmp): Deal with SSA. * cgraph.c (release_function_body): Free CFG annotations only when we have a CFG. Simplify. * gimple-fold.c (gimplify_and_update_call_from_tree): Use force_gimple_operand instead of get_initialized_tmp_var. * tree-pass.h (make_pass_init_datastructures): Remove. * tree-ssa.c (execute_init_datastructures): Remove. (pass_data_init_datastructures): Likewise. (class pass_init_datastructures): Likewise. (make_pass_init_datastructures): Likewise. * omp-low.c (create_omp_child_function): Init SSA data structures. (grid_expand_target_grid_body): Likewise. * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA name before adding it to names_to_release. (remove_bb): Always release SSA defs. * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR before dereferencing it. * cgraphunit.c (init_lowered_empty_function): Always int SSA data structures. * tree-ssanames.c (release_defs): Remove assert that we are in SSA form. * trans-mem.c (diagnose_tm_1): Handle SSA name function. c-family/ * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Do not allow call args to gimplify to SSA names. * gcc.dg/pr30172-1.c: Adjust. * gcc.dg/pr63743.c: Likewise. * gcc.dg/tm/pr51696.c: Likewise. * c-c++-common/tm/safe-1.c: Likewise. * gcc.dg/tree-prof/val-prof-3.c: Likewise. * gcc.dg/plugin/self-assign-test-1.c: XFAIL case that needs CSE. * g++.dg/plugin/self-assign-test-1.C: Likewise. * g++.dg/plugin/self-assign-test-2.C: Likewise. From-SVN: r235817
2016-04-20re PR middle-end/70680 (OpenMP SIMD linear variable privatized too eagerly)Jakub Jelinek1-2/+8
PR middle-end/70680 * gimplify.c (gimplify_omp_for): Call omp_notice_variable for implicitly linear or lastprivate iterator on the outer context. * testsuite/libgomp.c/pr70680-1.c: New test. * testsuite/libgomp.c/pr70680-2.c: New test. From-SVN: r235232
2016-04-13re PR target/70633 (ICE on valid code at -Os (in 32-bit mode) on ↵Jakub Jelinek1-1/+5
x86_64-linux-gnu: output_operand: invalid expression as operand) PR middle-end/70633 * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if gimplification turns some element into non-constant. * gcc.c-torture/compile/pr70633.c: New test. From-SVN: r234934
2016-04-08re PR lto/70289 ([openacc] ICE in input_varpool_node)Cesar Philippidis1-0/+55
gcc/ PR lto/70289 PR ipa/70348 PR tree-optimization/70373 PR middle-end/70533 PR middle-end/70534 PR middle-end/70535 * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data clauses for acc parallel reductions as necessary. Error on those that are private. * omp-low.c (scan_sharing_clauses): Don't install variables which are used in acc parallel reductions. (lower_rec_input_clauses): Remove dead code. (lower_oacc_reductions): Add support for reference reductions. (lower_reduction_clauses): Remove dead code. (lower_omp_target): Don't remap variables appearing in acc parallel reductions. * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro. gcc/testsuite/ * c-c++-common/goacc/reduction-5.c: New test. * c-c++-common/goacc/reduction-promotions.c: New test. * gfortran.dg/goacc/reduction-3.f95: New test. * gfortran.dg/goacc/reduction-promotions.f90: New test. libgomp/ * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gang-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gw-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-gwv-np-4.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-vector-p-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-worker-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/loop-reduction-wv-p-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-loop-comb-reduction-4.c: New test. * testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: Add test coverage. * testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c: New test. * testsuite/libgomp.oacc-c-c++-common/pr70289.c: New test. * testsuite/libgomp.oacc-c-c++-common/pr70373.c: New test. * testsuite/libgomp.oacc-c-c++-common/reduction-1.c: Add test coverage. * testsuite/libgomp.oacc-c-c++-common/reduction-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-6.c: New test. * testsuite/libgomp.oacc-c-c++-common/reduction.h: New test. * testsuite/libgomp.oacc-fortran/parallel-reduction.f90: New test. * testsuite/libgomp.oacc-fortran/pr70289.f90: New test. * testsuite/libgomp.oacc-fortran/reduction-1.f90: Add test coverage. * testsuite/libgomp.oacc-fortran/reduction-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-4.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-7.f90: New test. From-SVN: r234840
2016-04-06Fix new -Wparentheses warnings encountered during bootstrapPatrick Palka1-53/+55
gcc/ChangeLog: PR c/70436 * gimplify.c (gimplify_omp_ordered): Add explicit braces to resolve a future -Wparentheses warning. * omp-low.c (scan_sharing_clauses): Likewise. * tree-parloops.c (eliminate_local_variables): Likewise. gcc/cp/ChangeLog: PR c/70436 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid potentially generating a future -Wparentheses warning in its callers. gcc/fortran/ChangeLog: PR c/70436 * openmp.c (gfc_find_omp_udr): Add explicit braces to resolve a future -Wparentheses warning. gcc/testsuite/ChangeLog: PR c/70436 * g++.dg/plugin/pragma_plugin.c (handle_pragma_sayhello): Add explicit braces to resolve a future -Wparentheses warning. From-SVN: r234801
2016-04-06re PR middle-end/70550 (-Wuninitialized false positives in OpenMP code)Jakub Jelinek1-0/+2
PR middle-end/70550 * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define. * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit firstprivate clauses. * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts. (lower_omp_target): Set TREE_NO_WARNING for non-addressable possibly uninitialized vars which are copied into addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT. * c-c++-common/gomp/pr70550-1.c: New test. * c-c++-common/gomp/pr70550-2.c: New test. From-SVN: r234779
2016-03-24re PR middle-end/70370 (ICE in execute_todo, at passes.c:2003 when using ↵Richard Biener1-0/+26
__real__ or __imag__ as lvalue in asm) 2016-03-24 Richard Biener <rguenther@suse.de> PR middle-end/70370 * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs with register bases. * gcc.dg/torture/pr70370.c: New testcase. From-SVN: r234453
2016-03-22re PR c++/70295 (bogus -Wnonnull-compare for "dynamic_cast<const FuSelection ↵Jakub Jelinek1-0/+2
*>(this) != nullptr") PR c++/70295 * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning on assign if (*from_p) is a comparison, set it to TREE_NO_WARNING (*from_p). * c-c++-common/nonnull-1.c (func): Remove parens around cp4 != 0. (func2): New function for cond with parens, xfail warning for c++. * g++.dg/warn/Wnonnull-compare-8.C: New test. From-SVN: r234392
2016-03-17Rename GOMP_MAP_FORCE_DEALLOC to GOMP_MAP_DELETEThomas Schwinge1-1/+1
Also rename the Fortran OMP_MAP_FORCE_DEALLOC to OMP_MAP_DELETE. include/ * gomp-constants.h (enum gomp_map_kind): Rename GOMP_MAP_FORCE_DEALLOC to GOMP_MAP_DELETE. Adjust all users. gcc/fortran/ * gfortran.h (enum gfc_omp_map_op): Rename OMP_MAP_FORCE_DEALLOC to OMP_MAP_DELETE. Adjust all users. From-SVN: r234294
2016-03-16Gimplify vec_cond_expr with condition insideRichard Henderson1-1/+16
PR middle-end/70240 PR middle-end/68215 PR tree-opt/68714 * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the first operand as is_gimple_condexpr. Co-Authored-By: Richard Biener <rguenther@suse.de> From-SVN: r234271
2016-03-16re PR middle-end/70199 (Crash at -O2 when using labels.)Richard Henderson1-1/+4
PR middle-end/70199 * function.h (struct function): Add has_forced_label_in_static. * gimplify.c (force_labels_r): Set it. * lto-streamer-in.c (input_struct_function_base): Read it. * lto-streamer-out.c (output_struct_function_base): Write it. * tree-inline.c (has_label_address_in_static_1): Remove. (copy_forbidden): Remove fndecl parameter; test has_forced_label_in_static. (inline_forbidden_p): Update call to copy_forbidden. (tree_versionable_function_p): Likewise. * ipa-chkp.c (chkp_instrumentable_p): Likewise. (chkp_versioning): Likewise. * tree-inline.h (copy_forbidden): Update decl. testsuite/ * gcc.c-torture/compile/pr70199.c: New. From-SVN: r234261
2016-03-16re PR c/70093 (Instancing function with VM return type cases internal ↵Marek Polacek1-1/+2
compiler error in 'assign_stack_temp_for_type'.) PR c/70093 * c-typeck.c (build_function_call_vec): Create a TARGET_EXPR for nested functions returning VM types. * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the function being thunked if the result type doesn't have fixed size. * gimplify.c (gimplify_modify_expr): Also set LHS if the result type doesn't have fixed size. * gcc.dg/nested-func-10.c: New test. * gcc.dg/nested-func-9.c: New test. From-SVN: r234259
2016-03-02re PR libgomp/69555 (libgomp.c++/target-6.C fails because of undefined ↵Jakub Jelinek1-12/+34
behaviour) PR libgomp/69555 * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also gimplify_type_sizes the type they refer to. (omp_notice_variable): Handle reference vars to VLAs. * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE reference to VLA decls in the second pass instead of first pass. * testsuite/libgomp.c++/pr69555-1.C: New test. * testsuite/libgomp.c++/pr69555-2.C: New test. From-SVN: r233913
2016-03-02re PR c/67854 (Missing diagnostic for passing bool to va_arg)Marek Polacek1-4/+8
PR c/67854 * gimplify.c (gimplify_va_arg_expr): Use expanded location for the "is promoted to" warning. * gcc.dg/pr67854.c: New test. From-SVN: r233891
2016-02-17re PR c++/69850 (unnecessary -Wnonnull-compare warning)Jakub Jelinek1-0/+1
PR c++/69850 * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND. * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't warn on gimple_no_warning_p statements. * init.c (build_delete): Set TREE_NO_WARNING on ifexp. * g++.dg/warn/Wnonnull-compare-1.C: New test. From-SVN: r233508
2016-02-10re PR ipa/69241 (ICE with noreturn and function that return non-POD)Jakub Jelinek1-1/+2
PR ipa/69241 PR c++/69649 * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn calls if the return type is TREE_ADDRESSABLE. * cgraphunit.c (cgraph_node::expand_thunk): Likewise. * ipa-split.c (split_function): Fix doubled "we" in comment. Use void return type for the split part even if !split_point->split_part_set_retval. * g++.dg/ipa/pr69241-1.C: New test. * g++.dg/ipa/pr69241-2.C: New test. * g++.dg/ipa/pr69241-3.C: New test. * g++.dg/ipa/pr69649.C: New test. Co-Authored-By: Patrick Palka <ppalka@gcc.gnu.org> From-SVN: r233271
2016-02-02gimplify.c (omp_notice_variable): Add usage check.James Norris1-1/+25
gcc/ * gimplify.c (omp_notice_variable): Add usage check. gcc/testsuite/ * c-c++-common/goacc/routine-5.c: Add tests. From-SVN: r233089
2016-01-21re PR middle-end/67653 (ICE on valid code on x86_64-linux-gnu: verify_gimple ↵Jakub Jelinek1-3/+29
failed) PR middle-end/67653 * gimplify.c (gimplify_asm_expr): Warn if it is too late to attempt to mark memory input operand addressable and call prepare_gimple_addressable in that case. Don't adjust input_location for diagnostics, use error_at instead. * c-c++-common/pr67653.c: New test. * gcc.dg/torture/pr29119.c: Add dg-warning. From-SVN: r232640
2016-01-15gimplify.c (oacc_default_clause): Decode reference and pointer types for ↵Cesar Philippidis1-7/+5
both kernels and parallel regions. gcc/ * gimplify.c (oacc_default_clause): Decode reference and pointer types for both kernels and parallel regions. libgomp/ * testsuite/libgomp.oacc-fortran/kernels-data.f90: New test. From-SVN: r232431
2016-01-08re PR tree-optimization/69162 (ICE in create_tmp_var, at gimple-expr.c:468)Jakub Jelinek1-5/+8
PR tree-optimization/69162 * gimplify.c (gimplify_va_arg_expr): Encode original type of valist argument in another argument. (gimplify_modify_expr): Adjust for the above change. Cleanup. * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument to determine the va_list type, build a MEM_REF instead of build_fold_indirect_ref. * gcc.dg/pr69162.c: New test. From-SVN: r232156
2016-01-04Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r232055
2015-12-23Merge OMP_CLAUSE_USE_DEVICE into OMP_CLAUSE_USE_DEVICE_PTRThomas Schwinge1-2/+0
gcc/c/ * c-parser.c (c_parser_oacc_clause_use_device): Merge function into... (c_parser_omp_clause_use_device_ptr): ... this function. Adjust all users. gcc/ * tree-core.h (enum omp_clause_code): Merge OMP_CLAUSE_USE_DEVICE into OMP_CLAUSE_USE_DEVICE_PTR. Adjust all users. From-SVN: r231926
2015-12-22re PR ipa/67811 ([TM] ICE with try-block in transaction)Richard Henderson1-1/+1
PR ipa/67811 * gimple.h (struct gtransaction): Add label_norm, label_uninst; replace label with label_over. (gimple_build_transaction): Remove label parameter. (gimple_transaction_label_norm): New. (gimple_transaction_label_uninst): New. (gimple_transaction_label_over): Rename from gimple_transaction_label. (gimple_transaction_label_norm_ptr): New. (gimple_transaction_label_uninst_ptr): New. (gimple_transaction_label_over_ptr): Rename from gimple_transaction_label_ptr. (gimple_transaction_set_label_norm): New. (gimple_transaction_set_label_uninst): New. (gimple_transaction_set_label_over): Rename from gimple_transaction_set_label. * gimple-pretty-print.c (dump_gimple_transaction): Update. * gimple-streamer-in.c (input_gimple_stmt) [GIMPLE_TRANSACTION]: Same. * gimple-streamer-out.c (output_gimple_stmt) [GIMPLE_TRANSACTION]: Same. * gimple-walk.c (walk_gimple_op) [GIMPLE_TRANSACTION]: Same. * tree-cfg.c (make_edges_bb) [GIMPLE_TRANSACTION]: Same. (cleanup_dead_labels) [GIMPLE_TRANSACTION]: Same. (verify_gimple_transaction): Same. (gimple_redirect_edge_and_branch) [GIMPLE_TRANSACTION]: Same. * tree-inline.c (remap_gimple_stmt) [GIMPLE_TRANSACTION]: Same. * gimple.c (gimple_build_transaction): Remove label parameter; initialize all three label memebers. * gimplify.c (gimplify_transaction): Update call to gimple_build_transaction. * trans-mem.c (make_tm_uninst): New. (lower_transaction): Create uninstrumented code path here... (ipa_tm_scan_calls_transaction): ... not here. (ipa_uninstrument_transaction): Remove. testsuite/ * g++.dg/tm/noexcept-1.C: Update expected must_not_throw count. * g++.dg/tm/noexcept-4.C: Likewise. * g++.dg/tm/noexcept-5.C: Likewise. * g++.dg/tm/pr67811.C: New. From-SVN: r231907
2015-12-15c-common.c (c_common_attribute_table): Handle "omp declare target link" ↵Ilya Verbin1-1/+3
attribute. gcc/c-family/ * c-common.c (c_common_attribute_table): Handle "omp declare target link" attribute. gcc/ * cgraphunit.c (output_in_order): Do not assemble "omp declare target link" variables in ACCEL_COMPILER. * gimplify.c (gimplify_adjust_omp_clauses): Do not remove mapping of "omp declare target link" variables. * omp-low.c (scan_sharing_clauses): Do not remove mapping of "omp declare target link" variables. (add_decls_addresses_to_decl_constructor): For "omp declare target link" variables output address of the artificial pointer instead of address of the variable. Set most significant bit of the size to mark them. (pass_data_omp_target_link): New pass_data. (pass_omp_target_link): New class. (find_link_var_op): New static function. (make_pass_omp_target_link): New function. * passes.def: Add pass_omp_target_link. * tree-pass.h (make_pass_omp_target_link): Declare. * varpool.c (symbol_table::output_variables): Do not assemble "omp declare target link" variables in ACCEL_COMPILER. gcc/lto/ * lto.c: Include stringpool.h and fold-const.h. (offload_handle_link_vars): New static function. (lto_main): Call offload_handle_link_vars. libgomp/ * libgomp.h (REFCOUNT_LINK): Define. (struct splay_tree_key_s): Add link_key. * target.c (gomp_map_vars): Treat REFCOUNT_LINK objects as not mapped. Replace target address of the pointer with target address of newly mapped object in the splay tree. Set link pointer on target to the device address of the mapped object. (gomp_unmap_vars): Restore target address of the pointer in the splay tree for REFCOUNT_LINK objects after unmapping. (gomp_load_image_to_device): Set refcount to REFCOUNT_LINK for "omp declare target link" objects. (gomp_unload_image_from_device): Replace j with i. Force unmap of all "omp declare target link" objects, which were mapped for the image. (gomp_exit_data): Restore target address of the pointer in the splay tree for REFCOUNT_LINK objects after unmapping. * testsuite/libgomp.c/target-link-1.c: New file. From-SVN: r231655
2015-12-04re PR middle-end/65958 (-fstack-check breaks alloca on architectures using ↵Eric Botcazou1-10/+28
generic stack checking) PR middle-end/65958 * gimplify.c (struct gimplify_ctx): Turn boolean fields into 1-bit fields, add keep_stack and reorder them. (gimplify_bind_expr): Save gimplify_ctxp->keep_stack on entry then set it to false. Do not insert a stack save/restore pair if it has been set to true by the gimplification of the statements. Restore it to the saved value on exit if it is still false. (gimplify_vla_decl): Do not set gimplify_ctxp->save_stack here. (gimplify_call_expr) <BUILT_IN_ALLOCA[_WITH_ALIGN]>: New case. Set either save_stack or keep_stack depending on CALL_ALLOCA_FOR_VAR_P. * doc/extend.texi (Variable Length): Document new behavior. * doc/generic.texi (Blocks): Document new handling of VLAs. From-SVN: r231260
2015-12-02Fix oacc kernels default mapping for scalarsTom de Vries1-5/+14
2015-12-02 Tom de Vries <tom@codesourcery.com> * gimplify.c (enum gimplify_omp_var_data): Add enum value GOVD_MAP_FORCE. (oacc_default_clause): Fix default for scalars in oacc kernels. (gimplify_adjust_omp_clauses_1): Handle GOVD_MAP_FORCE. * c-c++-common/goacc/kernels-default-2.c: New test. * c-c++-common/goacc/kernels-default.c: New test. From-SVN: r231183
2015-12-01OpenACC host_data support.Julian Brown1-6/+32
gcc/ * gimple-pretty-print.c (dump_gimple_omp_target): Add host_data support. * gimple.h (gf_mask): Add GF_OMP_TARGET_KIND_OACC_HOST_DATA. (is_gimple_omp_oacc): Add support for above. * gimplify.c (omp_region_type): Add ORT_ACC_HOST_DATA. (omp_notice_variable): Diagnose undefined implicit uses of use_device variables in offloaded regions. (gimplify_scan_omp_clauses): Add host_data, use_device support. Diagnose undefined mapping of use_device variables in OpenACC clauses. (gimplify_omp_workshare): Add host_data support. (gimplify_expr): Likewise. * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): New. * omp-low.c (lookup_decl_in_outer_ctx) (maybe_lookup_decl_in_outer_ctx): Add optional argument to skip host_data regions. (scan_sharing_clauses): Support use_device. (check_omp_nesting_restrictions): Support host_data. (expand_omp_target): Support host_data. (lower_omp_target): Skip over outer host_data regions when looking up decls. Support use_device. (make_gimple_omp_edges): Support host_data. * tree-nested.c (convert_nonlocal_omp_clauses): Add use_device clause. gcc/c/ * c-parser.c (c_parser_omp_clause_name): Add use_device support. (c_parser_oacc_clause_use_device): New function. (c_parser_oacc_all_clauses): Add use_device support. (OACC_HOST_DATA_CLAUSE_MASK): New macro. (c_parser_oacc_host_data): New function. (c_parser_omp_construct): Add host_data support. * c-tree.h (c_finish_oacc_host_data): Add prototype. * c-typeck.c (c_finish_oacc_host_data): New function. (c_finish_omp_clauses): Add use_device support. gcc/cp/ * cp-tree.h (finish_oacc_host_data): Add prototype. * parser.c (cp_parser_omp_clause_name): Add use_device support. (cp_parser_oacc_all_clauses): Add use_device support. (OACC_HOST_DATA_CLAUSE_MASK): New macro. (cp_parser_oacc_host_data): New function. (cp_parser_omp_construct): Add host_data support. (cp_parser_pragma): Add host_data support. * semantics.c (finish_omp_clauses): Add use_device support. (finish_oacc_host_data): New function. gcc/c-family/ * c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA. * c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA. (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE. libgomp/ * oacc-parallel.c (GOACC_host_data): New function. * libgomp.map (GOACC_host_data): Add to GOACC_2.0.1. * testsuite/libgomp.oacc-c-c++-common/host_data-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/host_data-2.c: New test. * testsuite/libgomp.oacc-c-c++-common/host_data-3.c: New test. * testsuite/libgomp.oacc-c-c++-common/host_data-4.c: New test. * testsuite/libgomp.oacc-c-c++-common/host_data-5.c: New test. * testsuite/libgomp.oacc-c-c++-common/host_data-6.c: New test. Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com> Co-Authored-By: James Norris <James_Norris@mentor.com> From-SVN: r231118
2015-11-26re PR tree-optimization/68128 (A huge regression in Parboil v2.5 OpenMP ↵Jakub Jelinek1-10/+180
CUTCP test (2.5 times lower performance)) PR tree-optimization/68128 * tree.h (OMP_CLAUSE_SHARED_READONLY): Define. * gimplify.c: Include gimple-walk.h. (enum gimplify_omp_var_data): Add GOVD_WRITTEN. (omp_notice_variable): Set flags to n->value if n already exists in target region, but we need to jump to do_outer. (omp_shared_to_firstprivate_optimizable_decl_p, omp_mark_stores, omp_find_stores_op, omp_find_stores_stmt): New functions. (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_SHARED_READONLY on OMP_CLAUSE_SHARED if it is a scalar non-addressable that is not modified in the body. Call omp_mark_stores for outer contexts on OMP_CLAUSE_SHARED clauses if they could be written in the body or on OMP_CLAUSE_LASTPRIVATE. (gimplify_adjust_omp_clauses): Add body argument, call omp_find_stores_{stmt,op} on the body through walk_gimple_seq. Set OMP_CLAUSE_SHARED_READONLY on OMP_CLAUSE_SHARED if it is a scalar non-addressable that is not modified in the body. Call omp_mark_stores for outer contexts on OMP_CLAUSE_SHARED clauses if they could be written in the body or on OMP_CLAUSE_LASTPRIVATE or on OMP_CLAUSE_LINEAR without OMP_CLAUSE_LINEAR_NO_COPYOUT or on OMP_CLAUSE_REDUCTION. (gimplify_oacc_cache, gimplify_omp_parallel, gimplify_omp_task, gimplify_omp_for, gimplify_omp_workshare, gimplify_omp_target_update, gimplify_expr): Adjust gimplify_adjust_omp_clauses callers. * tree-nested.c (convert_nonlocal_omp_clauses, convert_local_omp_clauses): Clear OMP_CLAUSE_SHARED_READONLY on non-local vars or local vars referenced from nested routines. * omp-low.c (scan_sharing_clauses): For OMP_CLAUSE_SHARED_READONLY attempt to optimize it into OMP_CLAUSE_FIRSTPRIVATE. Even for TREE_READONLY, don't call use_pointer_for_field with non-NULL second argument until we are sure we are keeping OMP_CLAUSE_SHARED. * gcc.dg/gomp/pr68128-1.c: New test. * gcc.dg/gomp/pr68128-2.c: New test. From-SVN: r230932
2015-11-13gimplify.c (oacc_default_clause): Use inform for enclosing scope.Nathan Sidwell1-1/+1
gcc/ * gimplify.c (oacc_default_clause): Use inform for enclosing scope. gcc/testsuite/ * c-c++-common/goacc/data-default-1.c: Correct expected From-SVN: r230321
2015-11-12c-pragma.c (oacc_pragmas): Add entry for declare directive.James Norris1-2/+182
2015-11-12 James Norris <jnorris@codesourcery.com> Joseph Myers <joseph@codesourcery.com> gcc/c-family/ * c-pragma.c (oacc_pragmas): Add entry for declare directive. * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_DECLARE. (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OACC_CLAUSE_LINK. gcc/c/ * c-parser.c (c_parser_pragma): Handle PRAGMA_OACC_DECLARE. (c_parser_omp_clause_name): Handle 'device_resident' clause. (c_parser_oacc_data_clause): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OMP_CLAUSE_LINK. (c_parser_oacc_all_clauses): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OACC_CLAUSE_LINK. (OACC_DECLARE_CLAUSE_MASK): New definition. (c_parser_oacc_declare): New function. gcc/cp/ * parser.c (cp_parser_omp_clause_name): Handle 'device_resident' clause. (cp_parser_oacc_data_clause): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OMP_CLAUSE_LINK. (cp_paser_oacc_all_clauses): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OMP_CLAUSE_LINK. (OACC_DECLARE_CLAUSE_MASK): New definition. (cp_parser_oacc_declare): New function. (cp_parser_pragma): Handle PRAGMA_OACC_DECLARE. * pt.c (tsubst_expr): Handle OACC_DECLARE. gcc/ * gimple-pretty-print.c (dump_gimple_omp_target): Handle GF_OMP_TARGET_KIND_OACC_DECLARE. * gimple.h (enum gf_mask): Add GF_OMP_TARGET_KIND_OACC_DECLARE. (is_gomple_omp_oacc): Handle GF_OMP_TARGET_KIND_OACC_DECLARE. * gimplify.c (oacc_declare_returns): New. (gimplify_bind_expr): Prepend 'exit' stmt to cleanup. (device_resident_p): New function. (oacc_default_clause): Handle device_resident clause. (gimplify_oacc_declare_1, gimplify_oacc_declare): New functions. (gimplify_expr): Handle OACC_DECLARE. * omp-builtins.def (BUILT_IN_GOACC_DECLARE): New builtin. * omp-low.c (expand_omp_target): Handle GF_OMP_TARGET_KIND_OACC_DECLARE and BUILTIN_GOACC_DECLARE. (build_omp_regions_1): Handlde GF_OMP_TARGET_KIND_OACC_DECLARE. (lower_omp_target): Handle GF_OMP_TARGET_KIND_OACC_DECLARE, GOMP_MAP_DEVICE_RESIDENT and GOMP_MAP_LINK. (make_gimple_omp_edges): Handle GF_OMP_TARGET_KIND_OACC_DECLARE. * tree-pretty-print.c (dump_omp_clause): Handle GOMP_MAP_LINK and GOMP_MAP_DEVICE_RESIDENT. gcc/testsuite * c-c++-common/goacc/declare-1.c: New test. * c-c++-common/goacc/declare-2.c: Likewise. include/ * gomp-constants.h (enum gomp_map_kind): Add GOMP_MAP_DEVICE_RESIDENT and GOMP_MAP_LINK. libgomp/ * libgomp.map (GOACC_2.0.1): Export GOACC_declare. * oacc-parallel.c (GOACC_declare): New function. * testsuite/libgomp.oacc-c-c++-common/declare-1.c: New test. * testsuite/libgomp.oacc-c-c++-common/declare-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/declare-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/declare-5.c: Likewise. * testsuite/libgomp.oacc-c++/declare-1.C: Likewise. Co-Authored-By: Joseph Myers <joseph@codesourcery.com> From-SVN: r230275
2015-11-12missed error format change in previous commitNathan Sidwell1-2/+2
From-SVN: r230257
2015-11-12gimplify.c (oacc_default_clause): New.Nathan Sidwell1-1/+60
gcc/ * gimplify.c (oacc_default_clause): New. (omp_notice_variable): Call it. gcc/testsuite/ * c-c++-common/goacc/data-default-1.c: New. libgomp/ * testsuite/libgomp.oacc-c-c++-common/default-1.c: New. Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com> From-SVN: r230256
2015-11-11gimplify.c (enum omp_region_type): Add ORT_ACC, ORT_ACC_DATA, ↵Nathan Sidwell1-42/+99
ORT_ACC_PARALLEL, ORT_ACC_KERNELS. gcc/ * gcc/gimplify.c (enum omp_region_type): Add ORT_ACC, ORT_ACC_DATA, ORT_ACC_PARALLEL, ORT_ACC_KERNELS. Adjust ORT_NONE. (gimple_add_tmp_var): Add ORT_ACC checks. (gimplify_var_or_parm_decl): Likewise. (omp_firstprivatize_variable): Likewise. Use ORT_TARGET_DATA as a mask. (omp_add_variable): Look in outer contexts for openacc and allow reductions with other sharing. Add ORT_ACC and ORT_TARGET_DATA checks. (omp_notice_variable, omp_is_private, omp_check_private): Add ORT_ACC checks. (gimplify_scan_omp_clauses: Treat ORT_ACC as ORT_WORKSHARE. Permit private openacc reductions. (gimplify_oacc_cache): Specify ORT_ACC. (gimplify_omp_workshare): Adjust OpenACC region types. (gimplify_omp_target_update): Likewise. * gcc/omp-low.c (scan_sharing_clauses): Remove Openacc firstprivate sorry. (lower-rec_input_clauses): Don't handle openacc firstprivate references here. (lower_omp_target): Emit initializers for openacc firstprivate vars. gcc/testsuite/ * gfortran.dg/goacc/private-3.f95: Remove xfail. * gfortran.dg/goacc/combined_loop.f90: Remove xfail. libgomp/ * testsuite/libgomp.oacc-c-c++-common/loop-red-v-2.c: Remove xfail. * testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c: Remove xfail. * testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c: New. * testsuite/libgomp.oacc-c-c++-common/firstprivate-2.c: New. Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com> From-SVN: r230169
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