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2016-05-13escape: Implement the discovery phase.Ian Lance Taylor2-4/+183
Implements the discovery phase according the SCC algorithm used in gc/esc.go. Traverse all functions to find components that are either trivial or recursive. The discovered function groups will be analyzed from the bottom-up to allow for an inter-procedural analysis. Reviewed-on: https://go-review.googlesource.com/18221 From-SVN: r236224
2016-05-06escape: Add escape graph nodes.Ian Lance Taylor5-17/+709
Introduces the nodes used to model connectivity in the escape graph and related state: a node's escape level and an encoding that will be added to import and export data. Reviewed-on: https://go-review.googlesource.com/18268 From-SVN: r235988
2016-05-06escape: Add skeleton for gc analysis.Chris Manghane6-1/+182
Introduces a skeleton replacement escape analysis which contains four different phases extracted from the escape analysis implementation in gc/esc.go. Also introduces the Escape_context each phase uses to make decisions. Reviewed-on: https://go-review.googlesource.com/18220 From-SVN: r235982
2016-04-29escape: Remove previously existing analysis.Chris Manghane17-2742/+11
* Make-lang.in (GO_OBJS): Remove go/dataflow.o, go/escape.o. Reviewed-on: https://go-review.googlesource.com/18261 From-SVN: r235649
2016-04-28compiler: Mark concurrent calls.Ian Lance Taylor3-4/+20
If a call expression is executed in an independent goroutine via use of a Go statement, mark it as concurrent. Reviewed-on: https://go-review.googlesource.com/18700 From-SVN: r235608
2016-04-28compiler: Export String_index_expression.Ian Lance Taylor3-61/+76
Exports String_index_expression and adds the getter `string` that returns the underlying string. This will be used to handle string indexing different from array indexing in escape analysis. Reviewed-on: https://go-review.googlesource.com/18545 From-SVN: r235602
2016-04-26compiler: Add Enclosed_var_expression.Ian Lance Taylor4-65/+164
Introduces an abstraction for a variable referenced in a closure. This maintains the underlying expression which accesses a field within a closure variable and gives easy access to the underlying Named_object. Reviewed-on: https://go-review.googlesource.com/22374 From-SVN: r235452
2016-04-23compiler: Expose runtime code through Func_expression.Ian Lance Taylor5-3/+70
Enables us to easily check if a Call_expression is a call to a runtime function and, if so, which runtime function is corresponds to. This will be used during escape analysis. Reviewed-on: https://go-review.googlesource.com/18544 From-SVN: r235383
2016-04-23cmd/go: bring in final version of gccgo pkg-config supportIan Lance Taylor1-1/+1
This updates gccgo to the final version of https://golang.org/cl/18790, by Michael Hudson-Doyle. Update golang/go#11739. Reviewed-on: https://go-review.googlesource.com/22400 From-SVN: r235380
2016-04-18tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.Michael Matz2-1/+5
* tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount. (SET_TYPE_ALIGN, SET_DECL_ALIGN): New. * tree-core.h (tree_type_common.align): Use bit-field. (tree_type_common.spare): New. (tree_decl_common.off_align): Make smaller. (tree_decl_common.align): Use bit-field. * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN. * omp-low.c (install_var_field): Use SET_DECL_ALIGN. (scan_sharing_clauses): Ditto. (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN. (omp_finish_file): Ditto. * stor-layout.c (do_type_align): Use SET_DECL_ALIGN. (layout_decl): Ditto. (relayout_decl): Ditto. (finalize_record_size): Use SET_TYPE_ALIGN. (finalize_type_size): Ditto. (finish_builtin_struct): Ditto. (layout_type): Ditto. (initialize_sizetypes): Ditto. * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN. * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN. (lookup_field_for_decl): Use SET_DECL_ALIGN. (get_chain_field): Ditto. (get_trampoline_type): Ditto. (get_nl_goto_field): Ditto. * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use SET_DECL_ALIGN. (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN. * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN. * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN. (build_qualified_type): Use SET_TYPE_ALIGN. (build_aligned_type, build_range_type_1): Ditto. (build_atomic_base): Ditto. (build_common_tree_nodes): Ditto. * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN. (expand_one_stack_var_at): Ditto. * coverage.c (build_var): Use SET_DECL_ALIGN. * except.c (init_eh): Ditto. * function.c (assign_parm_setup_block): Ditto. * symtab.c (increase_alignment_1): Ditto. * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto. * tree-vect-stmts.c (ensure_base_align): Ditto. * varasm.c (align_variable): Ditto. (assemble_variable): Ditto. (build_constant_desc): Ditto. (output_constant_def_contents): Ditto. * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN. * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN. * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto. * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto. * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN. ada/ * gcc-interface/decl.c (gnat_to_gnu_entity): Use SET_TYPE_ALIGN. (gnat_to_gnu_field): Ditto. (components_to_record): Ditto. (create_variant_part_from): Ditto. (copy_and_substitute_in_size): Ditto. (substitute_in_type): Ditto. * gcc-interface/utils.c (make_aligning_type): Use SET_TYPE_ALIGN. (make_packable_type): Ditto. (maybe_pad_type): Ditto. (finish_fat_pointer_type): Ditto. (finish_record_type): Ditto and use SET_DECL_ALIGN. (rest_of_record_type_compilation): Use SET_TYPE_ALIGN. (create_field_decl): Use SET_DECL_ALIGN. c-family/ * c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN and SET_DECL_ALIGN. c/ * c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN. (grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN. cp/ * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN. (layout_class_type): Ditto. (build_base_field): Use SET_DECL_ALIGN. (fixup_attribute_variants): Use SET_TYPE_ALIGN. * decl.c (duplicate_decls): Use SET_DECL_ALIGN. (record_unknown_type): Use SET_TYPE_ALIGN. (cxx_init_decl_processing): Ditto. (copy_type_enum): Ditto. (grokfndecl): Use SET_DECL_ALIGN. (copy_type_enum): Use SET_TYPE_ALIGN. * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN. (tsubst): Ditto. * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN. * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN. * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN. * rtti.c (emit_tinfo_decl): Ditto. fortran/ * trans-io.c (gfc_build_io_library_fndecls): Use SET_TYPE_ALIGN. * trans-common.c (build_common_decl): Use SET_DECL_ALIGN. * trans-types.c (gfc_add_field_to_struct): Use SET_DECL_ALIGN. go/ * go-gcc.cc (Gcc_backend::implicit_variable): Use SET_DECL_ALIGN. java/ * class.c (add_method_1): Use SET_DECL_ALIGN. (make_class_data): Ditto. (emit_register_classes_in_jcr_section): Ditto. * typeck.c (build_java_array_type): Ditto. objc/ * objc-act.c (objc_build_struct): Use SET_DECL_ALIGN. libcc1/ * plugin.cc (plugin_finish_record_or_union): Use SET_TYPE_ALIGN. From-SVN: r235172
2016-04-13libgo: update to Go 1.6.1 releaseIan Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/22007 From-SVN: r234958
2016-04-12reflect: change Value.Call results to not be addressableIan Lance Taylor1-1/+1
Leaving them incorrectly marked as addressable broke a use of the text/template package, because state.evalField checks CanAddr and takes the address if it is addressable. Reviewed-on: https://go-review.googlesource.com/21908 From-SVN: r234923
2016-04-02runtime: Use atomic load for in entersyscall.Ian Lance Taylor1-1/+1
Reportedly fixes PPC64 deadlock. From a comment by Gabriel Russell. Fixes golang/go#15051. Reviewed-on: https://go-review.googlesource.com/21450 From-SVN: r234694
2016-02-26re PR go/69966 (libgo: Port syscall.SetsockoptUcred from golang)Ian Lance Taylor1-1/+1
PR go/69966 syscall: Add new Getsockopt functions. Add GetsockoptICMPv6Filter, GetsockoptIPv6MTUInfo, GetsockoptUcred as appropriate. These functions exist in the master library. For GCC PR 69966. Reviewed-on: https://go-review.googlesource.com/19960 From-SVN: r233747
2016-02-24runtime: lock M during cgo callIan Lance Taylor1-1/+1
cgo should lock the M. See also https://golang.org/cl/18882 . Reviewed-on: https://go-review.googlesource.com/18883 From-SVN: r233670
2016-02-18libgo: Update to final Go 1.6 release.Ian Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/19592 From-SVN: r233515
2016-02-12runtime: For c-archive/c-shared, install signal handlers synchronously.Ian Lance Taylor1-1/+1
This is a port of https://golang.org/cl/18150 to the gccgo runtime. The previous behaviour of installing the signal handlers in a separate thread meant that Go initialization raced with non-Go initialization if the non-Go initialization also wanted to install signal handlers. Make installing signal handlers synchronous so that the process-wide behavior is predictable. Reviewed-on: https://go-review.googlesource.com/19494 From-SVN: r233393
2016-02-12cgraph.c: Spelling fixes - behaviour -> behavior and neighbour -> neighbor.Jakub Jelinek3-3/+9
* cgraph.c: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * target.def: Likewise. * sel-sched.c: Likewise. * config/mips/mips.c: Likewise. * config/arc/arc.md: Likewise. * config/arm/cortex-a57.md: Likewise. * config/arm/arm.c: Likewise. * config/arm/neon.md: Likewise. * config/arm/arm-c.c: Likewise. * config/vms/vms-c.c: Likewise. * config/s390/s390.c: Likewise. * config/i386/znver1.md: Likewise. * config/i386/i386.c: Likewise. * config/ia64/hpux-unix2003.h: Likewise. * config/msp430/msp430.md: Likewise. * config/rx/rx.c: Likewise. * config/rx/rx.md: Likewise. * config/aarch64/aarch64-simd.md: Likewise. * config/aarch64/aarch64.c: Likewise. * config/nvptx/nvptx.c: Likewise. * config/bfin/bfin.c: Likewise. * config/cris/cris.opt: Likewise. * config/rs6000/rs6000.c: Likewise. * target.h: Likewise. * spellcheck.c: Likewise. * ira-build.c: Likewise. * tree-inline.c: Likewise. * builtins.c: Likewise. * lra-constraints.c: Likewise. * explow.c: Likewise. * hwint.h: Likewise. * targhooks.c: Likewise. * tree-vect-data-refs.c: Likewise. * expr.c: Likewise. * doc/tm.texi: Likewise. * doc/extend.texi: Likewise. * doc/install.texi: Likewise. * doc/md.texi: Likewise. * tree-ssa-tail-merge.c: Likewise. * sched-int.h: Likewise. * match.pd: Likewise. * sched-ebb.c: Likewise. * target.def (omit_struct_return_reg): Likewise. * gimple-ssa-isolate-paths.c: Likewise. (find_implicit_erroneous_behaviour): Renamed to... (find_implicit_erroneous_behavior): ... this. (find_explicit_erroneous_behaviour): Renamed to... (find_explicit_erroneous_behavior): ... this. (gimple_ssa_isolate_erroneous_paths): Adjust caller. gcc/cp/ * error.c: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * decl.c: Likewise. * typeck.c (cp_build_binary_op): Fix up behavior spelling in diagnostics. * init.c (build_delete): Likewise. gcc/objc/ * objc-act.c: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * objc-map.h: Likewise. gcc/go/ * gofrontend/lex.cc: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * gccgo.texi: Likewise. gcc/ada/ * prj-tree.ads: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * prep.adb: Likewise. * prj.ads: Likewise. * prepcomp.adb: Likewise. * g-socket.ads: Likewise. * s-imgrea.adb: Likewise. * a-calend.adb: Likewise. * exp_disp.adb: Likewise. * doc/gnat_ugn/gnat_utility_programs.rst: Likewise. * g-socket.adb: Likewise. * sem_ch12.adb: Likewise. * terminals.c: Likewise. gcc/testsuite/ * objc.dg/gnu-api-2-method.m: Spelling fixes - behaviour -> behavior and neighbour -> neighbor. * objc.dg/attributes/method-nonnull-1.m: Likewise. * objc.dg/gnu-api-2-class-meta.m: Likewise. * c-c++-common/Wvarargs.c: Likewise. * c-c++-common/goacc/host_data-5.c: Likewise. * obj-c++.dg/gnu-api-2-class-meta.mm: Likewise. * obj-c++.dg/attributes/method-nonnull-1.mm: Likewise. * obj-c++.dg/gnu-api-2-method.mm: Likewise. * gcc.target/aarch64/pr60697.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vldX_lane.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vqshl.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vshuffle.inc: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vrshl.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vldX_dup.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vstX_lane.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vqrshl.c: Likewise. * gcc.target/aarch64/advsimd-intrinsics/vldX.c: Likewise. * gcc.target/aarch64/aapcs64/ice_2.c: Likewise. * gcc.target/aarch64/aapcs64/test_23.c: Likewise. * gcc.target/aarch64/vrnd_f64_1.c: Likewise. * g++.dg/warn/Wconversion-real-integer-3.C: Likewise. * g++.dg/lookup/koenig5.C: Likewise. * g++.dg/ext/no-asm-2.C: Likewise. * gfortran.dg/bounds_check_array_ctor_3.f90: Likewise. * gfortran.dg/bounds_check_array_ctor_7.f90: Likewise. * gfortran.dg/used_types_16.f90: Likewise. * gfortran.dg/assumed_rank_bounds_1.f90: Likewise. * gfortran.dg/bounds_check_array_ctor_1.f90: Likewise. * gfortran.dg/assumed_rank_bounds_2.f90: Likewise. * gfortran.dg/bounds_check_array_ctor_4.f90: Likewise. * gfortran.dg/abstract_type_6.f03: Likewise. * gfortran.dg/bounds_check_array_ctor_5.f90: Likewise. * gfortran.dg/used_types_15.f90: Likewise. * gfortran.dg/bounds_check_array_ctor_8.f90: Likewise. * gfortran.dg/exit_3.f08: Likewise. * gfortran.dg/open_status_2.f90: Likewise. * gfortran.dg/derived_pointer_recursion_2.f90: Likewise. * gfortran.dg/intrinsic_std_1.f90: Likewise. * gfortran.dg/associate_1.f03: Likewise. * gfortran.dg/bounds_check_array_ctor_2.f90: Likewise. * gfortran.dg/intrinsic_std_6.f90: Likewise. * gfortran.dg/bounds_check_array_ctor_6.f90: Likewise. * gcc.dg/builtin-object-size-1.c: Likewise. * gcc.dg/noreturn-6.c: Likewise. * gcc.dg/builtin-stringop-chk-1.c: Likewise. * gcc.dg/globalalias.c: Likewise. * gcc.dg/builtins-config.h: Likewise. * gcc.dg/pr30457.c: Likewise. * gcc.c-torture/compile/volatile-1.c: Likewise. * gcc.c-torture/execute/20101011-1.c: Likewise. * c-c++-common/Waddress-1.c: Likewise. From-SVN: r233358
2016-02-10re PR go/66904 (cmd/go: "#cgo pkg-config:" comments do not work with gccgo)Ian Lance Taylor1-1/+1
PR go/66904 cmd/go: fix "#cgo pkg-config:" comments with gccgo Copy of https://golang.org/cl/18790 by Michael Hudson-Doyle. The unique difficulty of #cgo pkg-config is that the linker flags are recorded when the package is compiled but (obviously) must be used when the package is linked into an executable -- so the flags need to be stored on disk somewhere. As it happens cgo already writes out a _cgo_flags file: nothing uses it currently, but this change adds it to the lib$pkg.a file when compiling a package, reads it out when linking (and passes a version of the .a file with _cgo_flags stripped out of it to the linker). It's all fairly ugly but it works and I can't really think of any way of reducing the essential level of ugliness. Update golang/go#11739. GCC PR 66904. Reviewed-on: https://go-review.googlesource.com/19431 From-SVN: r233290
2016-02-10re PR go/69511 (G.gcstack_size uses uintptr instead of size_t)Ian Lance Taylor1-1/+1
PR go/69511 runtime: change G gcstack_size field to size_t Because its address is passed to __splitstack_find, which expects size_t*. From Dominik Vogt in GCC PR 69511. Reviewed-on: https://go-review.googlesource.com/19429 From-SVN: r233260
2016-02-09re PR go/69357 (libgo refers to _end in a non-weak way)Ian Lance Taylor1-1/+1
PR go/69537 runtime: Don't refer to _end symbol in shared library. Fixes GCC PR 69357. Reviewed-on: https://go-review.googlesource.com/19362 From-SVN: r233235
2016-02-08Remove -fshort-doubleBernd Schmidt1-1/+1
PR target/60410 * tree.c (build_common_tree_nodes): Remove short_double argument. All callers changed. * tree.h (build_common_tree_nodes): Adjust declaration. * doc/invoke.texi (-fshort-double): Remove documentation. * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Remove -fshort-double variant. * lto-wrapper.c (merge_and_complain, append_compiler_options, append_linker_options): Don't handle OPT_fshort_double. c-family/ PR target/60410 * c.opt (fshort-double): Remove. testsuite/ PR target/60410 * gcc.dg/lto/pr55113_0.c: Remove test. From-SVN: r233218
2016-02-04libgo: bump version number for upgrade to 1.6rc1Ian Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/19233 From-SVN: r233156
2016-02-03compiler, runtime: mark stub methods, ignore them in runtime.Caller.Ian Lance Taylor2-3/+4
This fixes the long-standing bug in which the testing package misreports the file/line of an error. Reviewed-on: https://go-review.googlesource.com/19179 From-SVN: r233098
2016-02-03compiler: Unpack method names when sorting them.Ian Lance Taylor2-4/+11
Reviewed-on: https://go-review.googlesource.com/19177 From-SVN: r233097
2016-01-27compiler: Accept map composite literals with omitted key types.Ian Lance Taylor4-74/+116
compiler: Copy key_path_ when copying a Composite_literal_expression. Fixes golang/go#10263. Reviewed-on: https://go-review.googlesource.com/14299 Reviewed-on: https://go-review.googlesource.com/18988 From-SVN: r232892
2016-01-27go-lang.c (go_langhook_init_options_struct): Default to -fkeep-gc-roots-live.Ian Lance Taylor2-0/+8
* go-lang.c (go_langhook_init_options_struct): Default to -fkeep-gc-roots-live. From-SVN: r232890
2016-01-27compiler: Don't crash on erroneous array return types.Ian Lance Taylor2-1/+3
Another issue with erroneous array types. When an erroneous array type is in a function's signature, particularly the return type, we must guarantee that type is changed into an error type. Otherwise, any operations that work on arrays and slices will crash when applied to the erroneous array return type. Fixes golang/go#12939. Reviewed-on: https://go-review.googlesource.com/16235 From-SVN: r232858
2016-01-26compiler: Don't crash on invalid array type declarations.Ian Lance Taylor2-1/+10
Fixes golang/go#12937. Reviewed-on: https://go-review.googlesource.com/16233 From-SVN: r232857
2016-01-26compiler: Avoid knock-on errors with impossibly large types.Ian Lance Taylor2-3/+5
The gofrontend asks the backend compiler for the architecture appropriate size of a given type. For array types, it is possible to construct a type too large to fit on the machine. This patch does two things: 1. When an impossibly large type is encountered, we mark the type as erroneous and later calls to discover the size of that type are short-circuited. 2. When generating the GC symbol data for an impossibly large array of arrays, we avoid generating symbol data as soon as we find an array that is too large to be expressed. Fixes golang/go#12938. Reviewed-on: https://go-review.googlesource.com/16234 From-SVN: r232855
2016-01-04Update copyright years.Jakub Jelinek11-10/+12
From-SVN: r232055
2016-01-04gcc.c (process_command): Update copyright notice dates.Jakub Jelinek2-2/+6
gcc/ * gcc.c (process_command): Update copyright notice dates. * gcov-dump.c (print_version): Ditto. * gcov.c (print_version): Ditto. * gcov-tool.c (print_version): Ditto. * gengtype.c (create_file): Ditto. * doc/cpp.texi: Bump @copying's copyright year. * doc/cppinternals.texi: Ditto. * doc/gcc.texi: Ditto. * doc/gccint.texi: Ditto. * doc/gcov.texi: Ditto. * doc/install.texi: Ditto. * doc/invoke.texi: Ditto. gcc/ada/ * gnat_ugn.texi: Bump @copying's copyright year. * gnat_rm.texi: Likewise. gcc/fortran/ * gfortranspec.c (lang_specific_driver): Update copyright notice dates. * gfc-internals.texi: Bump @copying's copyright year. * gfortran.texi: Ditto. * intrinsic.texi: Ditto. * invoke.texi: Ditto. gcc/go/ * gccgo.texi: Bump @copyrights-go year. gcc/java/ * jcf-dump.c (version): Update copyright notice dates. libgomp/ * libgomp.texi: Bump @copying's copyright year. libitm/ * libitm.texi: Bump @copying's copyright year. libjava/ * classpath/gnu/java/rmi/registry/RegistryImpl.java (version): Update copyright notice dates. * classpath/tools/gnu/classpath/tools/orbd/Main.java (run): Ditto. * gnu/gcj/convert/Convert.java (version): Update copyright notice dates. * gnu/gcj/tools/gcj_dbtool/Main.java (main): Ditto. libquadmath/ * libquadmath.texi: Bump @copying's copyright year. From-SVN: r232053
2015-12-22go-gcc.cc (class Bvariable): Remove Gcc_tree parent class.Ian Lance Taylor2-29/+77
* go-gcc.cc (class Bvariable): Remove Gcc_tree parent class. Add t_ and orig_type_ fields. Add new two parameter constructor. Add get_tree and get_decl methods. (Gcc_backend::var_expression): Pass location to var get_tree. (Gcc_backend::global_variable): Don't add VIEW_CONVERT_EXPR. Use two parameter constructor for Bvariable. (Gcc_backend::global_variable_set_init): Don't remove VIEW_CONVERT_EXPR. Use var get_decl, not get_tree. (Gcc_backend::write_global_definitions): Likewise. (Gcc_backend::init_statement): Call var get_decl, not get_tree. (Gcc_backend::block): Likewise. (Gcc_backend::implicit_variable_set_init): Likewise. (Gcc_backend::immutable_struct_set_init): Likewise. (Gcc_backend::function_set_parameters): Likewise. From-SVN: r231894
2015-12-22go-gcc.cc (Gcc_backend::global_variable): If type is zero-sized, add a ↵Ian Lance Taylor2-1/+23
VIEW_CONVERT_EXPR to the tree. * go-gcc.cc (Gcc_backend::global_variable): If type is zero-sized, add a VIEW_CONVERT_EXPR to the tree. (Gcc_backend::global_variable_set_init): Remove any VIEW_CONVERT_EXPR. (Gcc_backend::write_global_definitions): Likewise. From-SVN: r231888
2015-12-02re PR go/65717 (64-bit runtime FAILs with 32-bit compiler)Ian Lance Taylor2-25/+23
PR go/65717 compiler: Fix array reflection when len doesn't fit in unsigned long. This comes up when using a 32-bit host and a 64-bit target. Fixes https://gcc.gnu.org/PR65717. Reviewed-on: https://go-review.googlesource.com/17330 From-SVN: r231142
2015-12-01re PR go/68477 (error: type variant differs by TYPE_STRING_FLAG.)Ian Lance Taylor2-1/+6
PR go/68477 * go-gcc.cc (Gcc_backend::string_constant_expression): Don't set TYPE_STRING_FLAG on a variant type. From-SVN: r231096
2015-11-26re PR go/61303 (gccgo: segfault, regression since 4.8.2)Ian Lance Taylor1-1/+1
PR go/61303 runtime: don't overallocate in select code If we've already allocated an fd_set, don't allocate another one. Also, don't bother to read from rdwake if it wasn't returned in select. Fixes https://gcc.gnu.org/PR61303. Reviewed-on: https://go-review.googlesource.com/17243 From-SVN: r230922
2015-11-23re PR go/68496 ([libgo] reflect test fails on Linux x86-64)Ian Lance Taylor1-1/+1
PR go/68496 reflect: Allocate space for FFI functions returning a zero-sized type. The libffi library does not understand zero-sized types. We represent them as a struct with a single field of type void. If such a type is returned from a function, libffi will copy 1 byte of data. Allocate space for that byte, although we won't use it. Fixes https://gcc.gnu.org/PR68496. Reviewed-on: https://go-review.googlesource.com/17175 From-SVN: r230776
2015-11-21re PR go/66378 (libgo syscall.Sendfile() does not honor/use offset argument)Ian Lance Taylor1-1/+1
PR go/66378 syscall: Fix initial offset value in syscall.Sendfile. Bug reported in https://gcc.gnu.org/PR66378. Reviewed-on: https://go-review.googlesource.com/17159 From-SVN: r230699
2015-11-21re PR go/65785 (libgo TestIPv4MulticastListener test fails on machine with ↵Ian Lance Taylor1-1/+1
no network connection) PR go/65785 net: don't run multicast listen test on nil interface in short mode This is a backport of https://golang.org/cl/17154. The gccgo bug report https://gcc.gnu.org/PR65785 points out that the multicast listen tests will use the network even with -test.short. Fix test by checking testing.Short with a nil interface. Reviewed-on: https://go-review.googlesource.com/17158 From-SVN: r230695
2015-11-21re PR go/66574 (Time is provided in millisecond precision instead of ↵Ian Lance Taylor1-1/+1
nanoseconds as described in go documentation) PR go/66574 runtime: Use clock_gettime to get current time. Fetch the current time in nanoseconds, not microseconds, by using clock_gettime rather than gettimeofday. Update golang/go#11222. Fixes https://gcc.gnu.org/PR66574. Reviewed-on: https://go-review.googlesource.com/17156 From-SVN: r230694
2015-11-20re PR go/68141 (go/gofrontend/import-archive.cc: 2 * poor choice of function ↵Ian Lance Taylor2-3/+3
parameter type ?) PR go/68141 compiler: Use references in Archive_iterator comparison functions. Fixes minor performance problem pointed out in https://gcc.gnu.org/PR68141 . Reviewed-on: https://go-review.googlesource.com/17153 From-SVN: r230689
2015-11-20re PR go/68072 (malformed DWARF TagVariable entry)Ian Lance Taylor1-1/+1
PR go/68072 cmd/cgo: ignore vars with no name or type if they have a AttrSpecification Backport of master CL https://golang.org/cl/17151. Fixes https://gcc.gnu.org/PR/68072. Reviewed-on: https://go-review.googlesource.com/17152 From-SVN: r230685
2015-11-20cmd: Use correct install tool dir with gccgoIan Lance Taylor1-1/+1
When using the go command built from gccgo to build and install a go tool, use the value from runtime GCCGOTOOLDIR as the install directory. This also fixes the output from 'go tool' when used with the gccgo-built go command, to only include the go tools and not other binaries found in the same directory. Reviewed-on: https://go-review.googlesource.com/16516 From-SVN: r230677
2015-11-20compiler: Use receiver name in hash/equal for type within method.Ian Lance Taylor2-2/+11
Test case sent as https://golang.org/cl/17081. Reviewed-on: https://go-review.googlesource.com/17082 From-SVN: r230657
2015-11-11decl.c: Remove unused header files.Andrew MacLeod5-14/+7
ada * gcc-interface/decl.c: Remove unused header files. * gcc-interface/misc.c: Likewise. * gcc-interface/targtyps.c: Likewise. * gcc-interface/trans.c: Likewise. * gcc-interface/utils.c: Likewise. c * c-array-notation.c: Remove unused header files. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. * gccspec.c: Likewise. c-family * array-notation-common.c: Remove unused header files. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.c: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. cp * call.c: Remove unused header files. * class.c: Likewise. * constexpr.c: Likewise. * cp-array-notation.c: Likewise. * cp-cilkplus.c: Likewise. * cp-gimplify.c: Likewise. * cp-lang.c: Likewise. * cp-objcp-common.c: Likewise. * cp-ubsan.c: Likewise. * cvt.c: Likewise. * cxx-pretty-print.c: Likewise. * decl.c: Likewise. * decl2.c: Likewise. * dump.c: Likewise. * error.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * friend.c: Likewise. * g++spec.c: Likewise. * init.c: Likewise. * lambda.c: Likewise. * lex.c: Likewise. * mangle.c: Likewise. * method.c: Likewise. * name-lookup.c: Likewise. * optimize.c: Likewise. * parser.c: Likewise. * pt.c: Likewise. * ptree.c: Likewise. * repo.c: Likewise. * rtti.c: Likewise. * search.c: Likewise. * semantics.c: Likewise. * tree.c: Likewise. * typeck.c: Likewise. * typeck2.c: Likewise. * vtable-class-hierarchy.c: Likewise. Fortran * array.c: Remove unused header files. * convert.c: Likewise. * cpp.c: Likewise. * decl.c: Likewise. * f95-lang.c: Likewise. * frontend-passes.c: Likewise. * iresolve.c: Likewise. * match.c: Likewise. * module.c: Likewise. * options.c: Likewise. * parse.c: Likewise. * target-memory.c: Likewise. * trans-array.c: Likewise. * trans-common.c: Likewise. * trans-const.c: Likewise. * trans-decl.c: Likewise. * trans-expr.c: Likewise. * trans-intrinsic.c: Likewise. * trans-io.c: Likewise. * trans-openmp.c: Likewise. * trans-stmt.c: Likewise. * trans-types.c: Likewise. * trans.c: Likewise. go * go-backend.c: Remove unused header files. * go-gcc.cc: Likewise. * go-lang.c: Likewise. * gospec.c: Likewise. Java * boehm.c: Remove unused header files. * builtins.c: Likewise. * class.c: Likewise. * constants.c: Likewise. * decl.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * java-gimplify.c: Likewise. * jcf-dump.c: Likewise. * jcf-io.c: Likewise. * jcf-parse.c: Likewise. * jvgenmain.c: Likewise. * lang.c: Likewise. * mangle.c: Likewise. * mangle_name.c: Likewise. * resource.c: Likewise. * typeck.c: Likewise. * verify-glue.c: Likewise. * verify-impl.c: Likewise. * zextract.c: Likewise. jit * dummy-frontend.c: Remove unused header files. * jit-builtins.c: Likewise. * jit-playback.c: Likewise. * jit-recording.c: Likewise. * jit-spec.c: Likewise. * libgccjit.c: Likewise. lto * lto-lang.c: Remove unused header files. * lto-object.c: Likewise. * lto-partition.c: Likewise. * lto-symtab.c: Likewise. * lto.c: Likewise. objc * objc-act.c: Remove unused header files. * objc-encoding.c: Likewise. * objc-gnu-runtime-abi-01.c: Likewise. * objc-lang.c: Likewise. * objc-map.c: Likewise. * objc-next-runtime-abi-01.c: Likewise. * objc-next-runtime-abi-02.c: Likewise. * objc-runtime-shared-support.c: Likewise. objcp * objcp-decl.c: Remove unused header files. * objcp-lang.c: Likewise. From-SVN: r230166
2015-11-10libgo: use Solaris sendfile lib, fix Solaris _in6_addr_t fieldsIan Lance Taylor1-1/+1
Before Solaris 12 the sendfile function is found in -lsendfile, so look for it there. Solaris 12 adds some more types that use _in6_addr_t, that need to be edited in mksysinfo. Patch by Rainer Orth. Reviewed-on: https://go-review.googlesource.com/16779 From-SVN: r230132
2015-11-10re PR go/68255 (cgo-generated constructor not being called)Ian Lance Taylor1-1/+1
PR go/68255 cmd/go: always use --whole-archive for gccgo packages This is a backport of https://golang.org/cl/16775. This is, in effect, what the gc toolchain does. It fixes cases where Go code refers to a C global variable; without this, if the global variable was the only thing visible in the C code, the generated cgo file might not get pulled in from the archive, leaving the Go variable uninitialized. This was reported against gccgo as https://gcc.gnu.org/PR68255 . Reviewed-on: https://go-review.googlesource.com/16778 From-SVN: r230120
2015-11-07re PR go/66138 (json decoder Decode function fails for some structure return ↵Ian Lance Taylor1-1/+1
values) PR go/66138 reflect, encoding/json, encoding/xml: fix unexported embedded structs Bring in three changes from the master Go repository. These changes will be in Go 1.6, but they are appropriate for gccgo now because they resolve a long-standing discrepancy between how gc and gccgo handle the PkgPath field for embedded unexported struct fields. The core issue is described at https://golang.org/cl/7247. This has been reported against gccgo as https://gcc.gnu.org/PR66138. The three changes being brought over are: https://golang.org/cl/14010 reflect: adjust access to unexported embedded structs This CL changes reflect to allow access to exported fields and methods in unexported embedded structs for gccgo and after gc has been adjusted to disallow access to embedded unexported structs. Adresses #12367, #7363, #11007, and #7247. https://golang.org/cl/14011 encoding/json: check for exported fields in embedded structs Addresses issue #12367. https://golang.org/cl/14012 encoding/xml: check for exported fields in embedded structs Addresses issue #12367. Reviewed-on: https://go-review.googlesource.com/16723 From-SVN: r229907
2015-11-06libgo: Solaris portability fixes.Ian Lance Taylor1-1/+1
Only build net/hook_cloexec.go on GNU/Linux and FreeBSD, because those are the only systems with accept4. Add syscall/libcall_bsd.go to define sendfile for *BSD and Solaris. Revert tcpsockopt_solaris.go back to the earlier version, so that it works on Solaris 10. Always pass the address of a Pid_t value to TIOCGPGRP and TIOCSPGRP. Include <unistd.h> in runtime/go-varargs.c. Reviewed-on: https://go-review.googlesource.com/16719 From-SVN: r229880
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