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2013-07-292013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>Andreas Krebbel1-0/+4
* config/s390/target.h (htm_begin, htm_commit, htm_abort) (htm_transaction_active): Enable zEC12 instructions in the assembler. * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS. From-SVN: r201301
2013-07-17s390.c: (s390_expand_builtin): Allow -mhtm to be enabled without -march=zEC12.Andreas Krebbel1-7/+16
2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/s390.c: (s390_expand_builtin): Allow -mhtm to be enabled without -march=zEC12. * config/s390/s390.h (TARGET_HTM): Do not require EC12 machine flags to be set. 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * acinclude.m4: Add htm asm check for s390. * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options. * configure: Regenerate. * config/s390/target.h: Remove __HTM__ check. (htm_available): Call getauxval to get hwcaps and check whether HTM is available or not. From-SVN: r201004
2013-07-15acinclude.m4 (LIBITM_CHECK_AS_HTM): New.Peter Bergner1-0/+82
libitm/ * acinclude.m4 (LIBITM_CHECK_AS_HTM): New. * configure.ac: Use it. (AC_CHECK_HEADERS): Check for sys/auxv.h. (AC_CHECK_FUNCS): Check for getauxval. * config.h.in, configure: Rebuild. * configure.tgt (target_cpu): Add -mhtm to XCFLAGS. * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h. (USE_HTM_FASTPATH): Define. (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT, _HTM_RETRIES) New macros. (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init, htm_begin_success, htm_commit, htm_transaction_active): New functions. gcc/ * config.gcc (powerpc*-*-*): Install htmintrin.h and htmxlintrin.h. * config/rs6000/t-rs6000 (MD_INCLUDES): Add htm.md. * config/rs6000/rs6000.opt: Add -mhtm option. * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Add OPTION_MASK_HTM. (ISA_2_7_MASKS_SERVER): Add OPTION_MASK_HTM. * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define __HTM__ if the HTM instructions are available. * config/rs6000/predicates.md (u3bit_cint_operand, u10bit_cint_operand, htm_spr_reg_operand): New define_predicates. * config/rs6000/rs6000.md (define_attr "type"): Add htm. (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO): New define_constants. Include htm.md. * config/rs6000/rs6000-builtin.def (BU_HTM_0, BU_HTM_1, BU_HTM_2, BU_HTM_3, BU_HTM_SPR0, BU_HTM_SPR1): Add support macros for defining HTM builtin functions. * config/rs6000/rs6000.c (RS6000_BUILTIN_H): New macro. (rs6000_reg_names, alt_reg_names): Add HTM SPR register names. (rs6000_init_hard_regno_mode_ok): Add support for HTM instructions. (rs6000_builtin_mask_calculate): Likewise. (rs6000_option_override_internal): Likewise. (bdesc_htm): Add new HTM builtin support. (htm_spr_num): New function. (htm_spr_regno): Likewise. (rs6000_htm_spr_icode): Likewise. (htm_expand_builtin): Likewise. (htm_init_builtins): Likewise. (rs6000_expand_builtin): Add support for HTM builtin functions. (rs6000_init_builtins): Likewise. (rs6000_invalid_builtin, rs6000_opt_mask): Add support for -mhtm option. * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mhtm. (TARGET_HTM, MASK_HTM): Define macros. (FIRST_PSEUDO_REGISTER): Adjust for new HTM SPR registers. (FIXED_REGISTERS): Likewise. (CALL_USED_REGISTERS): Likewise. (CALL_REALLY_USED_REGISTERS): Likewise. (REG_ALLOC_ORDER): Likewise. (enum reg_class): Likewise. (REG_CLASS_NAMES): Likewise. (REG_CLASS_CONTENTS): Likewise. (REGISTER_NAMES): Likewise. (ADDITIONAL_REGISTER_NAMES): Likewise. (RS6000_BTC_SPR, RS6000_BTC_VOID, RS6000_BTC_32BIT, RS6000_BTC_64BIT, RS6000_BTC_MISC_MASK, RS6000_BTM_HTM): New macros. (RS6000_BTM_COMMON): Add RS6000_BTM_HTM. * config/rs6000/htm.md: New file. * config/rs6000/htmintrin.h: New file. * config/rs6000/htmxlintrin.h: New file. gcc/testsuite/ * lib/target-supports.exp (check_effective_target_powerpc_htm_ok): New function to test if HTM is available. * gcc.target/powerpc/htm-xl-intrin-1.c: New test. * gcc.target/powerpc/htm-builtin-1.c: New test. From-SVN: r200960
2013-06-27s390.c: Rename UNSPEC_CCU_TO_INT to UNSPEC_STRCMPCC_TO_INT and ↵Andreas Krebbel1-0/+59
UNSPEC_CCZ_TO_INT to... 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/s390.c: Rename UNSPEC_CCU_TO_INT to UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT. (struct machine_function): Add tbegin_p. (s390_canonicalize_comparison): Fold CC mode compares to conditional jump if possible. (s390_emit_jump): Return the emitted jump. (s390_branch_condition_mask, s390_branch_condition_mnemonic): Handle CCRAWmode compares. (s390_option_override): Default to -mhtm if available. (s390_reg_clobbered_rtx): Handle floating point regs as well. (s390_regs_ever_clobbered): Use s390_regs_ever_clobbered also for FPRs instead of df_regs_ever_live_p. (s390_optimize_nonescaping_tx): New function. (s390_init_frame_layout): Extend clobbered_regs array to cover FPRs as well. (s390_emit_prologue): Call s390_optimize_nonescaping_tx. (s390_expand_tbegin): New function. (enum s390_builtin): New enum definition. (code_for_builtin): New array definition. (s390_init_builtins): New function. (s390_expand_builtin): New function. (TARGET_INIT_BUILTINS): Define. (TARGET_EXPAND_BUILTIN): Define. * common/config/s390/s390-common.c (processor_flags_table): Add PF_TX. * config/s390/predicates.md (s390_comparison): Handle CCRAWmode. (s390_alc_comparison): Likewise. * config/s390/s390-modes.def: Add CCRAWmode. * config/s390/s390.h (processor_flags): Add PF_TX. (TARGET_CPU_HTM): Define macro. (TARGET_HTM): Define macro. (TARGET_CPU_CPP_BUILTINS): Define __HTM__ for htm. * config/s390/s390.md: Rename UNSPEC_CCU_TO_INT to UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT. (UNSPECV_TBEGIN, UNSPECV_TBEGINC, UNSPECV_TEND, UNSPECV_TABORT) (UNSPECV_ETND, UNSPECV_NTSTG, UNSPECV_PPA): New unspecv enum values. (TBEGIN_MASK, TBEGINC_MASK): New constants. ("*cc_to_int"): Move up. ("*mov<mode>cc", "*cjump_64", "*cjump_31"): Accept integer constants other than 0. ("*ccraw_to_int"): New insn and splitter definition. ("tbegin", "tbegin_nofloat", "tbegin_retry") ("tbegin_retry_nofloat", "tbeginc", "tend", "tabort") ("tx_assist"): New expander. ("tbegin_1", "tbegin_nofloat_1", "*tbeginc_1", "*tend_1") ("*tabort_1", "etnd", "ntstg", "*ppa"): New insn definition. * config/s390/s390.opt: Add -mhtm option. * config/s390/s390-protos.h (s390_emit_jump): Add return type. * config/s390/htmxlintrin.h: New file. * config/s390/htmintrin.h: New file. * config/s390/s390intrin.h: New file. * doc/extend.texi: Document htm builtins. * config.gcc: Add the new header files to extra_headers. 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * gcc.target/s390/htm-1.c: New file. * gcc.target/s390/htm-nofloat-1.c: New file. * gcc.target/s390/htm-xl-intrin-1.c: New file. 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/target.h: Include htmintrin.h. (_HTM_ITM_RETRIES): New macro definition. (htm_available, htm_init, htm_begin, htm_begin_success) (htm_commit, htm_abort, htm_abort_should_retry): New functions. From-SVN: r200454
2013-06-20libitm: Handle HTM fastpath in status query functions.Torvald Riegel1-0/+7
* query.cc (_ITM_inTransaction): Abort when using the HTM fastpath. (_ITM_getTransactionId): Same. * config/x86/target.h (htm_transaction_active): New. From-SVN: r200251
2013-04-23sjlj.S: New file.Andreas Krebbel2-0/+163
2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/sjlj.S: New file. * config/s390/target.h: New file. * configure.tgt: Set options for S/390. From-SVN: r198190
2013-02-03Update copyright in libitm.Richard Sandiford37-37/+37
From-SVN: r195697
2012-11-09Add HTM fastpath and use Intel RTM for it on x86.Torvald Riegel3-17/+84
* beginend.cc (htm_fastpath): New. (gtm_thread::begin_transaction, _ITM_commitTransaction, _ITM_commitTransactionEH): Add HTM fastpath handling. * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New. * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New. * config/x86/target.h (htm_available, htm_init, htm_begin_success, htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New. * configure.tgt: Add -mrtm to XCFLAGS. * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New. (gtm_thread::serialirr_mode): Add HTM fastpath handling. * libitm_i.h (htm_fastpath, dispatch_htm): Declare. * retry.cc (parse_default_method): Add HTM method parsing. (gtm_thread::number_of_threads_changed): Use HTM by default if available. From-SVN: r193369
2012-10-02target.h (struct gtm_jmpbuf): Merge x86_64 and ia32 declarations some more.Uros Bizjak2-8/+3
* config/x86/target.h (struct gtm_jmpbuf): Merge x86_64 and ia32 declarations some more. * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code. From-SVN: r191955
2012-07-03xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause.Uros Bizjak1-1/+1
gcc/ 2012-07-03 Uros Bizjak <ubizjak@gmail.com> * config/i386/xmmintrin.h (_mm_sfence): Use __builtin_ia32_pause. libgomp/ 2012-07-03 Uros Bizjak <ubizjak@gmail.com> * config/linux/x86/futex.h (cpu_relax): Use __builtin_ia32_pause. * testsuite/libgomp.c/sort-1.c (busy_wait): Ditto. libitm/ 2012-07-03 Uros Bizjak <ubizjak@gmail.com> * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause. From-SVN: r189194
2012-04-04Use long long in gtm_jmpbuf for x86-64H.J. Lu1-7/+7
2012-04-04 H.J. Lu <hongjiu.lu@intel.com> PR libitm/52854 * config/x86/target.h (gtm_jmpbuf): Replace long with long long for x86-64. From-SVN: r186140
2012-03-13libitm: Fix lost wake-up in serial lock.Torvald Riegel1-0/+26
PR libitm/52526 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost wake-up. From-SVN: r185358
2012-02-14* config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.Richard Henderson1-5/+5
From-SVN: r184227
2012-02-14target.h (GTM_longjmp): Correct .cfi directives.Uros Bizjak1-3/+5
* config/x86/target.h (GTM_longjmp): Correct .cfi directives. From-SVN: r184220
2012-02-14target.h (cpu_relax): Read from CC register.Eric Botcazou2-5/+6
* config/sparc/target.h (cpu_relax): Read from CC register. * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically. From-SVN: r184202
2012-02-14target.h (GTM_longjmp): Jump indirect from memory address.Uros Bizjak1-6/+4
* config/x86/target.h (GTM_longjmp): Jump indirect from memory address. From-SVN: r184198
2012-02-13configure.tgt (target_cpu): Handle sparc and sparc64 & sparcv9.Eric Botcazou4-0/+245
* configure.tgt (target_cpu): Handle sparc and sparc64 & sparcv9. * config/sparc/cacheline.h: New file. * config/sparc/target.h: Likewise. * config/sparc/sjlj.S: Likewise. * config/linux/sparc/futex_bits.h: Likewise. From-SVN: r184177
2012-01-24libitm: Fix wake-up of readers in futex-based serial lock.Torvald Riegel1-3/+6
libitm/ * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader wake-up. From-SVN: r183488
2012-01-24target.h (gtm_jmpbuf): Move rip to the end of structure.Uros Bizjak2-19/+17
* config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the end of structure. * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update offset values. Do not copy return address. Decrement stack by 56 bytes only. (GTM_longjump) [__x86_64__]: Update offset values. From-SVN: r183467
2012-01-23re PR libitm/51830 (FAIL: libitm.c/mem(cpy|set)-1.c execution test)Uros Bizjak1-0/+1
PR libitm/51830 * builtin-types.def (BT_FN_UINT_UINT_VAR): New. * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR. libitm/ChangeLog: PR libitm/51830 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load the first function argument to %eax. From-SVN: r183435
2012-01-13libitm: Filter out undo writes that overlap with the libitm stack.Torvald Riegel2-0/+24
PR libitm/51855 * config/generic/tls.h (GTM::mask_stack_top): New. (GTM::mask_stack_bottom): Declare. * config/generic/tls.c (GTM::mask_stack_bottom): New. * local.cc (gtm_undolog::rollback): Filter out any updates that overlap the libitm stack. Add current transaction as parameter. * libitm_i.h (GTM::gtm_undolog::rollback): Adapt. * beginend.cc (GTM::gtm_thread::rollback): Adapt. * testsuite/libitm.c/stackundo.c: New test. From-SVN: r183172
2012-01-05libitm: PowerPC support.Richard Henderson5-2/+572
* configure.tgt: Support powerpc-linux and powerpc-darwin. * config/linux/powerpc/futex_bits.h: New file. * config/powerpc/cacheline.h: New file. * config/powerpc/sjlj.S: New file. * config/powerpc/target.h: New file. * config/generic/asmcfi.h (cfi_offset): New. (cfi_restore, cfi_undefined): New. From-SVN: r182930
2011-12-24libitm: Fix privatization safety during upgrades to serial mode.Torvald Riegel4-10/+30
libitm/ * beginend.cc (GTM::gtm_thread::restart): Add and handle finish_serial_upgrade parameter. * libitm.h (GTM::gtm_thread::restart): Adapt declaration. * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic): Don't unset reader flag. (GTM::gtm_rwlock::write_upgrade_finish): New. * config/posix/rwlock.cc: Same. * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish): Declare. * config/posix/rwlock.h: Same. * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader flag after commit or after rollback when restarting. From-SVN: r182675
2011-12-24libitm: Fixed conversion to C++11 atomics.Torvald Riegel10-71/+98
libitm/ * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment. (GTM::gtm_thread::try_commit): Changed memory order. * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int as parameter. * config/linux/x86/futex_bits.h (sys_futex0): Same. * config/linux/sh/futex_bits.h (sys_futex0): Same. * config/linux/futex_bits.h (sys_futex0): Same. * config/linux/futex.cc (futex_wait, futex_wake): Same. * config/linux/futex.h (futex_wait, futex_wake): Same. * config/linux/rwlock.h (gtm_rwlock::writers, gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic ints. * config/linux/rwlock.cc (gtm_rwlock::read_lock, gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, gtm_rwlock::write_unlock): Fix memory orders and fences. * config/posix/rwlock.cc (gtm_rwlock::read_lock, gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock, gtm_rwlock::write_unlock): Same. * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int. * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static, gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart): Add comments. (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate, gl_wt_dispatch::load, gl_wt_dispatch::store, gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory orders and fences. Add comments. From-SVN: r182674
2011-12-17configure.tgt: Add sh* case.Kaz Kojima3-0/+223
* configure.tgt: Add sh* case. * config/sh/target.h: New file. * config/sh/sjlj.S: New file. * config/linux/sh/futex_bits.h: New file. From-SVN: r182429
2011-12-14arm-linux: Add libitm support.Richard Henderson8-7/+374
* config/arm/hwcap.h, config/arm/hwcap.cc: New files. * config/arm/sjlj.S, config/arm/target.h: New files. * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New. (cfi_rel_offset): New. * config/linux/futex_bits.h: New file. * config/linux/futex.cc: Include futex_bits.h here... * config/linux/futex.h: ... not here. * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc. * configure.ac (ARCH_AM): New conditional. * Makefile.in, configure: Rebuild. * configure.tgt: Handle ARM. From-SVN: r182355
2011-12-13rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison ↵Richard Henderson1-1/+1
werror. * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison werror. From-SVN: r182302
2011-12-13libitm: Conversion to c++11 atomics.Richard Henderson4-42/+12
* local_atomic: New file. * libitm_i.h: Include it. (gtm_thread::shared_state): Use atomic template. * beginend.cc (GTM::gtm_clock): Use atomic template. (global_tid): Use atomic template if 64-bit atomics available. (gtm_thread::gtm_thread): Update shared_state access. (gtm_thread::trycommit): Likewise. (choose_code_path): Update global_tid access. * method-gl.cc (gl_mg::orec): Use atomic template. Update all users. * stmlock.h (GTM::gtm_clock): Use atomic template. (gtm_get_clock, gtm_inc_clock): Update accesses. * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove redundant __sync_synchronize after atomic shared_state access. * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise. (gtm_rwlock::write_lock_generic): Likewise. (gtm_rwlock::read_unlock): Likewise. * config/alpha/target.h (atomic_read_barrier): Remove. (atomic_write_barrier): Remove. * config/x86/target.h (atomic_read_barrier): Remove. (atomic_write_barrier): Remove. From-SVN: r182294
2011-11-30Swap the action and jmpbuf arguments to GTM_longjmpRichard Henderson2-32/+31
On several ABIs, the first register parameter is the same as the return value register. Moving the action parameter first avoids the need for register shuffling on these targets. * libitm_i.h (GTM_longjmp): Swap first and second arguments. * beginend.c (_ITM_abortTransaction): Update to match. (GTM::gtm_thread::restart): Likewise. * config/alpha/sjlj.S (GTM_longjmp): Likewise. * config/x86/sjlj.S (GTM_longjmp): Likewise. From-SVN: r181863
2011-11-22sjlj.S (CONCAT1, [...]): Respond to __USER_LABEL_PREFIX__ for targets that ↵Iain Sandoe1-18/+39
use it. libitm: * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to __USER_LABEL_PREFIX__ for targets that use it. TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets. (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist in portability to non-elf targets. (GTM_longjmp): LIkewise. * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__ where required. From-SVN: r181612
2011-11-18Support libitm on Solaris 8 and 9/x86 with Sun asRainer Orth2-1/+13
* config/generic/asmcfi.h: Fix comment. * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code sequence without .hidden support, error for non-ELF targets. (GTM_longjmp) [__ELF__]: Only use .hidden if HAVE_ATTRIBUTE_VISIBILITY. From-SVN: r181481
2011-11-10libitm port to Tru64 UNIXRainer Orth1-0/+4
* config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use .hidden. (.note.GNU-stack): Only use if __linux__. * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function. * testsuite/libitm.c/notx.c: Use dg-options "-pthread". * testsuite/libitm.c/reentrant.c: Likewise. * testsuite/libitm.c/simple-2.c: Likewise. * testsuite/libitm.c/txrelease.c: Likewise. * testsuite/libitm.c++/static_ctor.C: Likewise. From-SVN: r181262
2011-11-10libitm: Don't add -mavx if the assembler doesn't support avx.Richard Henderson1-12/+8
* config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments. * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX. * configure.ac (ARCH_X86_AVX): New conditional. * Makefile.in, configure: Rebuild. From-SVN: r181261
2011-11-09libitm: Work around assembler missing AVX insns.Richard Henderson1-0/+59
From-SVN: r181246
2011-11-09libitm: Remove unused code.Richard Henderson13-1405/+3
In particular, unused code that's presenting portability problems. From-SVN: r181241
2011-11-09libitm: Avoid non-portable x86 branch prediction mnemonic.Richard Henderson1-3/+5
From-SVN: r181233
2011-11-09libitm: de-ELF-ize x86/sjlj.S.Richard Henderson1-5/+14
* config/x86/sjlj.S: Protect elf directives with __ELF__. Protect .note.GNU-stack with __linux__. From-SVN: r181229
2011-11-09libitm: Configure for gas cfi pseudo ops.Richard Henderson2-12/+59
* asmcfi.m4: New file. * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it. * configure, aclocal.m4, config.h.in: Rebuild. * config/generic/asmcfi.h: New file. * config/x86/sjlj.S: Use it. From-SVN: r181224
2011-11-08Fix Solaris/x86 libitm buildRainer Orth2-1/+5
* configure.tgt: Handle i386 like i[456]86. * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't take address. * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD || !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable. From-SVN: r181163
2011-11-08Merge from transactional-memory branch.Aldy Hernandez27-0/+3199
From-SVN: r181154
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