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2016-08-06libgo: fix getrandom build for 32-bit ppcIan Lance Taylor1-1/+1
Add a ppc build constraint for internal/syscall/unix. Reviewed-on: https://go-review.googlesource.com/25547 From-SVN: r239210
2016-08-06libgo: change build procedure to use build tagsIan Lance Taylor1-1/+1
Previously the libgo Makefile explicitly listed the set of files to compile for each package. For packages that use build tags, this required a lot of awkward automake conditionals in the Makefile. This CL changes the build to look at the build tags in the files. The new shell script libgo/match.sh does the matching. This required adjusting a lot of build tags, and removing some files that are never used. I verified that the exact same sets of files are compiled on amd64 GNU/Linux. I also tested the build on i386 Solaris. Writing match.sh revealed some bugs in the build tag handling that already exists, in a slightly different form, in the gotest shell script. This CL fixes those problems as well. The old code used automake conditionals to handle systems that were missing strerror_r and wait4. Rather than deal with those in Go, those functions are now implemented in runtime/go-nosys.c when necessary, so the Go code can simply assume that they exist. The os testsuite looked for dir_unix.go, which was never built for gccgo and has now been removed. I changed the testsuite to look for dir.go instead. Reviewed-on: https://go-review.googlesource.com/25546 From-SVN: r239189
2016-08-05re PR go/72812 (reflect FAILs with Solaris as)Ian Lance Taylor2-1/+127
PR go/72812 * go-gcc.cc (char_needs_encoding): New static function. (needs_encoding, fetch_utf8_char): New static functions. (encode_id): New static function. (Gcc_backend::global_variable): Set asm name if the name is not simple ASCII. (Gcc_backend::implicit_variable): Likewise. (Gcc_backend::implicit_variable_reference): Likewise. (Gcc_backend::immutable_struct): Likewise. (Gcc_backend::immutable_struct_reference): Likewise. (Gcc_backend::function): Likewise. From-SVN: r239179
2016-08-04runtime: fix incorrectly commented out code in heapdump.cIan Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/25490 From-SVN: r239144
2016-08-04text/template: reduce maxExecDepth for gccgoIan Lance Taylor1-1/+1
When using gccgo on systems without full support for split stacks a recursive template can overrun the available stack space. Reduce the limit from 100000 to 10000 to make this less likely. It's still high enough that real uses will work. Reviewed-on: https://go-review.googlesource.com/25467 From-SVN: r239141
2016-08-04compiler: include "go-system.h" in escape.ccIan Lance Taylor2-1/+3
Patch from Rainer Orth. Reviewed-on: https://go-review.googlesource.com/25466 From-SVN: r239140
2016-08-04escape: Enable escape analysis in gccgo.Ian Lance Taylor3-1/+12
Off by default, enabled through -fgo-optimize-allocs. Reviewed-on: https://go-review.googlesource.com/22378 From-SVN: r239109
2016-08-03gotest: multiple +build lines must all be trueIan Lance Taylor1-1/+1
The code that handled +build lines did not correctly require them to all be true. While looking into this I discovered that multiple +build lines were mishandled in a different way, because the shell does not preseve line breaks in backquoted data. Look for the +build token to tell us when we are switching from one +build line to another. Reviewed-on: https://go-review.googlesource.com/25460 From-SVN: r239100
2016-08-03compiler: improve type caching for interface typesIan Lance Taylor2-5/+18
Add a cached to Interface_info_expression::do_type() so as to reuse previously created interface types. This change reduces gccgo peak heap usage when compiling the "fmt" package from around 16mb to around 10mb. Fixes golang/go#16334 Reviewed-on: https://go-review.googlesource.com/24890 From-SVN: r239095
2016-08-03escape: Stack allocate non-escaping expressions.Ian Lance Taylor2-8/+44
Stack allocate expressions that the analysis tracked and determined did not escape. Reviewed-on: https://go-review.googlesource.com/22377 From-SVN: r239083
2016-08-02escape: Add basic debugging.Chris Manghane10-7/+577
Emit basic debug information when compiling with the flag -fgo-debug-escape#. Reviewed-on: https://go-review.googlesource.com/22376 2016-08-02 Chris Manghane <cmang@google.com> * lang.opt: Add -fgo-debug-escape option. * go-c.h (go_create_gogo): Add debug_escape_level parameter. * go-lang.c (go_langhook_init): Pass go_debug_escape_level to go_create_gogo. From-SVN: r239002
2016-07-26libgo: bump library version number for 1.7Ian Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/25211 From-SVN: r238743
2016-07-26os/user: fix Solaris declaration.Ian Lance Taylor1-1/+1
Patch from Rainer Orth. Reviewed-on: https://go-review.googlesource.com/25210 From-SVN: r238742
2016-07-22libgo: update to go1.7rc3Ian Lance Taylor1-1/+1
Reviewed-on: https://go-review.googlesource.com/25150 From-SVN: r238662
2016-07-22compiler: fix check for duplicate declarationIan Lance Taylor2-3/+10
The compiler check that issued a duplicate declaration error for a, a, a := 1, 2, 3 was incorrectly issuing an error for a, a, a = 1, 2, 3 While this is not particularly useful, it is valid Go. Test is https://golang.org/cl/25143. Reviewed-on: https://go-review.googlesource.com/25144 From-SVN: r238618
2016-07-12escape: Add escape notes to export data.Ian Lance Taylor6-5/+75
Reviewed-on: https://go-review.googlesource.com/22375 From-SVN: r238266
2016-07-06escape: Implement tag phase.Ian Lance Taylor2-6/+94
Adds notes to function parameters which summarize the escape of that parameter with respect to the function's scope. Reviewed-on: https://go-review.googlesource.com/18443 From-SVN: r238057
2016-06-14escape: Implement flood phase.Ian Lance Taylor2-5/+363
Walks the connection graphs built in the assign phase from the function context's sink, propagating the escape level to each visited node and uncovering nodes that leak out of their scope which implies they must be heap allocated. Reviewed-on: https://go-review.googlesource.com/18413 From-SVN: r237453
2016-06-14escape: Implement assign phase.Ian Lance Taylor7-122/+1566
Implementation of the assign/connect phase. Statements containing expressions which alias local, parameter, and global objects are analyzed and the alias relationship between objects containing pointers are captured in a connection graph to summarize the assignments within a function. Reviewed-on: https://go-review.googlesource.com/18302 From-SVN: r237424
2016-06-10compiler: fix quoting in error messageIan Lance Taylor2-2/+2
Reviewed-on: https://go-review.googlesource.com/23966 From-SVN: r237286
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
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