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2014-06-17Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags.Kai Tietz10-65/+398
* Makefile.am (libatomic_la_LDFLAGS): Add lt_host_flags. * configure.ac (ACX_LT_HOST_FLAGS): New. (target_thread_file): New. * configure.tgt (mingw): Add mingw support. * config/mingw/host-config.h: New file. * config/mingw/lock.c: Likewise. * Makefile.in: Regenerated. * configure: Likewise. * aclocal.m4: Likewise. * testsuite/Makefile.in: Likewise. From-SVN: r211747
2014-02-20re PR c++/60272 (atomic<>::compare_exchange_weak has spurious store and can ↵Richard Henderson2-13/+18
cause race conditions) PR c++/60272 gcc/ * builtins.c (expand_builtin_atomic_compare_exchange): Conditionalize on failure the store back into EXPECT. libatomic/ * cas_n.c (libat_compare_exchange): Conditionalize on failure the store back to EPTR. From-SVN: r207966
2014-01-02Update copyright years in libatomic/Richard Sandiford31-30/+34
From-SVN: r206291
2013-12-09ChangeLog: Fix ChangeLog entry.Uros Bizjak1-1/+1
* libatomic/ChangeLog: Fix ChangeLog entry. * libgcc/ChangeLog: Ditto. From-SVN: r205812
2013-12-09sfp-exceptions.c (__sfp_handle_exceptions): Emit SSE instructions when ↵Uros Bizjak2-3/+8
__TARGET_SSE__ is defined. libgcc/ChangeLog: 2013-12-09 Uros Bizjak <ubizjak@gmail.com> * config/i386/sfp-exceptions.c (__sfp_handle_exceptions): Emit SSE instructions when __TARGET_SSE__ is defined. libatomic/ChangeLog: 2013-12-09 Uros Bizjak <ubizjak@gmail.com> * config/x86/fenv.c (__atomic_feraiseexcept): Emit SSE instructions when __TARGET_SSE__ is defined. From-SVN: r205811
2013-11-18atomic-compare-exchange-1.c, [...]: Declare main as returning int.Joseph Myers27-60/+118
* testsuite/libatomic.c/atomic-compare-exchange-1.c, testsuite/libatomic.c/atomic-compare-exchange-2.c, testsuite/libatomic.c/atomic-compare-exchange-3.c, testsuite/libatomic.c/atomic-compare-exchange-4.c, testsuite/libatomic.c/atomic-compare-exchange-5.c, testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c, testsuite/libatomic.c/atomic-generic.c, testsuite/libatomic.c/atomic-load-1.c, testsuite/libatomic.c/atomic-load-2.c, testsuite/libatomic.c/atomic-load-3.c, testsuite/libatomic.c/atomic-load-4.c, testsuite/libatomic.c/atomic-load-5.c, testsuite/libatomic.c/atomic-op-1.c, testsuite/libatomic.c/atomic-op-2.c, testsuite/libatomic.c/atomic-op-3.c, testsuite/libatomic.c/atomic-op-4.c, testsuite/libatomic.c/atomic-op-5.c, testsuite/libatomic.c/atomic-store-1.c, testsuite/libatomic.c/atomic-store-2.c, testsuite/libatomic.c/atomic-store-3.c, testsuite/libatomic.c/atomic-store-4.c, testsuite/libatomic.c/atomic-store-5.c: Declare main as returning int. Do not require built-in sync support or add target-specific options. * testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of count from expression using value of count. From-SVN: r204953
2013-11-10fenv.c: New file.Uros Bizjak2-0/+120
* config/x86/fenv.c: New file. From-SVN: r204634
2013-11-07tree-core.h (enum cv_qualifier): Add TYPE_QUAL_ATOMIC.Joseph Myers8-8/+201
gcc: 2013-11-05 Andrew MacLeod <amacleod@redhat.com> Joseph Myers <joseph@codesourcery.com> * tree-core.h (enum cv_qualifier): Add TYPE_QUAL_ATOMIC. (enum tree_index): Add TI_ATOMICQI_TYPE, TI_ATOMICHI_TYPE, TI_ATOMICSI_TYPE, TI_ATOMICDI_TYPE and TI_ATOMICTI_TYPE. (struct tree_base): Add atomic_flag field. * tree.h (TYPE_ATOMIC): New accessor macro. (TYPE_QUALS, TYPE_QUALS_NO_ADDR_SPACE): Add TYPE_QUAL_ATOMIC. (TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC): New macro. (atomicQI_type_node, atomicHI_type_node, atomicSI_type_node) (atomicDI_type_node, atomicTI_type_node): New macros for type nodes. * tree.c (set_type_quals): Set TYPE_ATOMIC. (find_atomic_core_type): New function. (build_qualified_type): Adjust alignment for qualified types. (build_atomic_base): New function (build_common_tree_nodes): Build atomicQI_type_node, atomicHI_type_node, atomicSI_type_node, atomicDI_type_node and atomicTI_type_node. * print-tree.c (print_node): Print atomic qualifier. * tree-pretty-print.c (dump_generic_node): Print atomic type attribute. * target.def (atomic_assign_expand_fenv): New hook. * doc/tm.texi.in (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New @hook. * doc/tm.texi: Regenerate. * targhooks.c (default_atomic_assign_expand_fenv): New function. * targhooks.h (default_atomic_assign_expand_fenv): Declare. * sync-builtins.def (__atomic_feraiseexcept): New built-in function. * config/i386/i386-builtin-types.def (VOID_FTYPE_PUSHORT): New function type. * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_FNSTENV, IX86_BUILTIN_FLDENV, IX86_BUILTIN_FNSTSW and IX86_BUILTIN_FNCLEX. (bdesc_special_args): Add __builtin_ia32_fnstenv, __builtin_ia32_fldenv, __builtin_ia32_fnstsw and __builtin_ia32_fnclex. (ix86_expand_builtin): Handle the new built-in functions. (ix86_atomic_assign_expand_fenv): New function. (TARGET_ATOMIC_ASSIGN_EXPAND_FENV): New macro. * config/i386/i386.md (UNSPECV_FNSTENV, UNSPECV_FLDENV) (UNSPECV_FNSTSW, UNSPECV_FNCLEX): New unspecs. (fnstenv, fldenv, fnstsw, fnclex): New insns. gcc/c-family: 2013-11-05 Andrew MacLeod <amacleod@redhat.com> Joseph Myers <joseph@codesourcery.com> * c-common.h (enum rid): Add RID_ATOMIC. * c-common.c (c_common_reswords): Add _Atomic. (sync_resolve_params): Use TYPE_MAIN_VARIANT on pointer argument. (keyword_is_type_qualifier): Accept RID_ATOMIC. * c-format.c (check_format_types): Check for extra _Atomic qualifiers in format argument. * c-pretty-print.c (pp_c_cv_qualifiers): Handle atomic qualifier. (pp_c_type_qualifier_list): Mention _Atomic in comment. gcc/c: 2013-11-05 Joseph Myers <joseph@codesourcery.com> Andrew MacLeod <amacleod@redhat.com> * c-aux-info.c (gen_type): Handle atomic qualifier. * c-decl.c (validate_proto_after_old_defn): Do not remove atomic qualifiers when compating types. (shadow_tag_warned): Handle atomic_p in declspecs. (quals_from_declspecs): Likewise. (start_decl): Use c_type_promotes_to when promoting argument types. (grokdeclarator): Handle _Atomic. (get_parm_info): Diagnose any qualifier on "void" as only parameter. (store_parm_decls_oldstyle): Do not remove atomic qualifiers when comparing types. Use c_type_promotes_to when promoting argument types. (finish_function): Use c_type_promotes_to when promoting argument types. (build_null_declspecs): Handle atomic_p in declspecs. (declspecs_add_qual): Handle RID_ATOMIC. * c-parser.c (c_token_starts_typename, c_token_is_qualifier) (c_token_starts_declspecs): Handle RID_ATOMIC. (c_parser_declspecs): Handle atomic type specifiers and qualifiers. (c_parser_typeof_specifier): Remove const and _Atomic qualifiers from types of expressions with atomic type. (c_parser_direct_declarator_inner): Use convert_lvalue_to_rvalue. (c_parser_attribute_any_word): Handle RID_ATOMIC. (c_parser_initializer, c_parser_initelt, c_parser_initval) (c_parser_statement_after_labels, c_parser_switch_statement) (c_parser_for_statement, c_parser_expr_no_commas) (c_parser_conditional_expression, c_parser_binary_expression) (c_parser_cast_expression, c_parser_unary_expression) (c_parser_postfix_expression) (c_parser_postfix_expression_after_primary, c_parser_expression): Use convert_lvalue_to_rvalue. (c_parser_expression_conv, c_parser_expr_list): Document conversion of lvalues to rvalues. Use convert_lvalue_to_rvalue. (c_parser_objc_synchronized_statement): Use convert_lvalue_to_rvalue. (c_parser_objc_selector): Handle RID_ATOMIC. (c_parser_objc_receiver, c_parser_array_notation): Use convert_lvalue_to_rvalue. * c-tree.h (ctsk_typeof): Adjust comment to mention use for _Atomic (type-name). (struct c_declspecs): Add atomic_p field. (convert_lvalue_to_rvalue): Declare. * c-typeck.c (c_type_promotes_to): Promote atomic types to corresponding atomic types. (qualify_type): Don't add _Atomic qualifiers from second argument. (comp_target_types): Do not allow _Atomic mismatches. (type_lists_compatible_p): Do not remove atomic qualifiers when comparing types. (really_atomic_lvalue, convert_lvalue_to_rvalue) (build_atomic_assign): New functions. (build_unary_op): Use build_atomic_assign for atomic increment and decrement. (build_conditional_expr): Do not treat _Atomic void as a qualified version of void. (build_modify_expr): Use build_atomic_assign for atomic LHS. (find_anonymous_field_with_type, convert_to_anonymous_field) (convert_for_assignment): Do not remove atomic qualifiers when comparing types. (digest_init): Do not accept initialization of arrays of atomic elements by string constants. (build_asm_expr): Use convert_lvalue_to_rvalue. (build_binary_op): Do not treat _Atomic void as a qualified version of void. gcc/objc: 2013-11-05 Andrew MacLeod <amacleod@redhat.com> * objc-act.c (objc_push_parm): Handle atomic qualifier. gcc/testsuite: 2013-11-05 Joseph Myers <joseph@codesourcery.com> * lib/target-supports.exp (check_effective_target_fenv_exceptions): New function. * lib/atomic-dg.exp, gcc.dg/atomic/atomic.exp: New files. * gcc.dg/atomic/c11-atomic-exec-1.c, gcc.dg/atomic/c11-atomic-exec-2.c, gcc.dg/atomic/c11-atomic-exec-3.c, gcc.dg/atomic/c11-atomic-exec-4.c, gcc.dg/atomic/c11-atomic-exec-5.c, gcc.dg/c11-atomic-1.c, gcc.dg/c11-atomic-2.c, gcc.dg/c11-atomic-3.c, gcc.dg/c90-atomic-1.c, gcc.dg/c99-atomic-1.c: New tests. libatomic: 2013-11-05 Joseph Myers <joseph@codesourcery.com> * fenv.c: New file. * libatomic.map (LIBATOMIC_1.1): New symbol version. Include __atomic_feraiseexcept. * configure.ac (libtool_VERSION): Change to 2:0:1. (fenv.h): Test for header. * Makefile.am (libatomic_la_SOURCES): Add fenv.c. * Makefile.in, auto-config.h.in, configure: Regenerate. From-SVN: r204544
2013-10-17[AArch64] Enable building libatomic on AArch64.Michael Hudson-Doyle2-5/+5
From-SVN: r203774
2013-09-20libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical ppc host match.Alan Modra2-5/+15
* libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical ppc host match. Support little-endian powerpc linux hosts. Regenerate configure throughout. From-SVN: r202773
2013-03-24Avoid non constant memory model uses in libatomicAndi Kleen4-4/+4
x86 ends up using non constant memory models for some of the libatomic functions. These all end up as __ATOMIC_SEQ_CST. Just use this directly. This avoids a new warning for non constant memory models, which broke the bootstrap with -Werror Passed bootstrap and test on x86_64-linux. libatomic/: 2013-03-23 Andi Kleen <ak@linux.intel.com> * gcas.c: (EXACT_INLINE): Use __ATOMIC_SEQ_CST. * gexch.c: (EXACT_INLINE): Use __ATOMIC_SEQ_CST. * gload.c: (EXACT_INLINE): Use __ATOMIC_SEQ_CST. * gstore.c: (EXACT_INLINE): Use __ATOMIC_SEQ_CST. diff --git a/libatomic/gcas.c b/libatomic/gcas.c index edbf611..e3d77f3 100644 --- a/libatomic/gcas.c +++ b/libatomic/gcas.c @@ -32,7 +32,7 @@ # define EXACT_INLINE(N) \ if (C2(HAVE_ATOMIC_CAS_,N)) \ return __atomic_compare_exchange_n \ - (PTR(N,mptr), PTR(N,eptr), *PTR(N,dptr), false, smodel, fmodel) + (PTR(N,mptr), PTR(N,eptr), *PTR(N,dptr), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) #else # define EXACT_INLINE(N) #endif diff --git a/libatomic/gexch.c b/libatomic/gexch.c index 1999067..c8c8658 100644 --- a/libatomic/gexch.c +++ b/libatomic/gexch.c @@ -33,7 +33,7 @@ if (C2(HAVE_ATOMIC_EXCHANGE_,N)) \ { \ *PTR(N,rptr) = __atomic_exchange_n \ - (PTR(N,mptr), *PTR(N,vptr), smodel); \ + (PTR(N,mptr), *PTR(N,vptr), __ATOMIC_SEQ_CST); \ return; \ } #else diff --git a/libatomic/gload.c b/libatomic/gload.c index df318d5..85865bd 100644 --- a/libatomic/gload.c +++ b/libatomic/gload.c @@ -32,7 +32,7 @@ # define EXACT_INLINE(N, DEST, SRC, DONE) \ if (C2(HAVE_ATOMIC_LDST_,N)) \ { \ - DEST = __atomic_load_n (SRC, smodel); \ + DEST = __atomic_load_n (SRC, __ATOMIC_SEQ_CST); \ DONE; \ } #else diff --git a/libatomic/gstore.c b/libatomic/gstore.c index d571e58..84f9a8d 100644 --- a/libatomic/gstore.c +++ b/libatomic/gstore.c @@ -32,7 +32,7 @@ # define EXACT_INLINE(N) \ if (C2(HAVE_ATOMIC_LDST_,N)) \ { \ - __atomic_store_n (PTR(N,mptr), *PTR(N,vptr), smodel); \ + __atomic_store_n (PTR(N,mptr), *PTR(N,vptr), __ATOMIC_SEQ_CST); \ return; \ } #else From-SVN: r197017
2013-01-14Update copyright years in libatomic.Richard Sandiford29-28/+32
From-SVN: r195164
2012-12-18re PR go/55201 (libgo.so: undefined reference to `__atomic_compare_exchange_8')Ian Lance Taylor4-75/+64
PR go/55201 * Makefile.am (noinst_LTLIBRARIES): Define new make variable. (libatomic_convenience_la_SOURCES): Likewise. (libatomic_convenience_la_LIBADD): Likewise. * Makefile.in: Rebuild. * testsuite/Makefile.in: Rebuild. From-SVN: r194592
2012-12-04libatomic: Detect and build for ARM architecture armv8-a.Marcus Shawcroft2-0/+8
2012-12-04 Marcus Shawcroft <marcus.shawcroft@arm.com> * config/arm/arm-config.h (__ARM_ARCH_8A__): New. From-SVN: r194150
2012-11-22configure.tgt (i[3456]86): Handle -mx32 like -m64.Matthias Klose2-1/+5
2012-11-21 Matthias Klose <doko@ubuntu.com> * configure.tgt (i[3456]86): Handle -mx32 like -m64. From-SVN: r193720
2012-11-05acinclude.m4 (LIBAT_CHECK_IFUNC): Clarify message.Thomas Schwinge3-4/+8
libatomic/ * acinclude.m4 (LIBAT_CHECK_IFUNC): Clarify message. * configure: Regenerate. From-SVN: r193145
2012-11-05configure: Regenerate.Thomas Schwinge2-12/+12
libatomic/ * configure: Regenerate. libitm/ * configure: Regenerate. From-SVN: r193144
2012-10-23AArch64 [6/10]Sofiane Naci2-0/+11
2012-10-23 Sofiane Naci <sofiane.naci@arm.com> Mark libatomic unsupported in AArch64. * configure.tgt: Mark libatomic unsupported. From-SVN: r192727
2012-09-20re PR other/43620 ([4.3 Release Blocker] Uploading to gnu.org will fail due ↵Jakub Jelinek4-239/+29
to automake security issue) PR other/43620 libatomic/ * configure.ac (AM_INIT_AUTOMAKE): Add no-dist. * configure: Regenerate. * Makefile.in: Regenerate. libitm/ * configure.ac (AM_INIT_AUTOMAKE): Add no-dist. * configure: Regenerate. * Makefile.in: Regenerate. From-SVN: r191565
2012-09-14* configure: Regenerated.David Edelsohn2-0/+5
From-SVN: r191319
2012-05-22re PR other/53231 (libatomic/tas_n.c:100:10: error: 'ret' undeclared (first ↵John David Anglin2-2/+7
use in this function)) PR other/53231 * tas_n.c (libat_test_and_set): Correct return. Remove unused variable. From-SVN: r187783
2012-05-16Regenerate configure files for libtool.m4 changeH.J. Lu2-3/+14
boehm-gc/ * configure: Regenerated. gcc/ * configure: Regenerated. libatomic/ * configure: Regenerated. libffi/ * configure: Regenerated. libgfortran/ * configure: Regenerated. libgomp/ * configure: Regenerated. libitm/ * configure: Regenerated. libjava/classpath/ * configure: Regenerated. libjava/ * configure: Regenerated. libmudflap/ * configure: Regenerated. libobjc/ * configure: Regenerated. libquadmath/ * configure: Regenerated. libssp/ * configure: Regenerated. libstdc++-v3/ * configure: Regenerated. lto-plugin/ * configure: Regenerated. zlib/ * configure: Regenerated. From-SVN: r187616
2012-05-10Always compile atomic builtin tests with $XCFLAGSRainer Orth3-31/+38
PR other/53284 * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Add -O0 -S to CFLAGS instead of overriding. * configure: Regenerate. From-SVN: r187366
2012-05-07Allow for objects in libatomic_la_LIBADDRainer Orth4-113/+72
* Makefile.am (libatomic.map-sun): Handle objects in libatomic_la_LIBADD. * aclocal.m4: Regenerate. * Makefile.in: Regenerate. From-SVN: r187257
2012-05-07Don't include XCFLAGS in CFLAGSRainer Orth3-2/+7
* configure.ac: Add $XPCFLAGS to CFLAGS, not $XCFLAGS. * configure: Regenerate. From-SVN: r187256
2012-05-03libatomic: Enable AM_MAINTAINER_MODERichard Henderson6-10/+87
From-SVN: r187108
2012-05-03acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation failure in ↵Richard Henderson6-82/+214
gcc_no_link path. * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation failure in gcc_no_link path. * configure: Rebuild. From-SVN: r187102
2012-05-01Add libatomic as a target library.Richard Henderson77-0/+28864
From-SVN: r187018
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