31772c9507
libitm: Add multi-lock, write-through TM method.
...
libitm/
* libitm_i.h (GTM::gtm_rwlog_entry): New.
(GTM::gtm_thread): Add read and write logs.
(GTM::dispatch_ml_wt): Declare.
* retry.cc (parse_default_method): Support ml_wt.
* method-ml.cc: New file.
* Makefile.am: Add method-ml.cc.
* Makefile.in: Regenerate.
From-SVN: r184212
2012-02-14 13:14:27 +00:00
5b9cf5d2bf
libitm: Improve method reinit and choice.
...
libitm/
* dispatch.h (GTM::abi_dispatch::supports): New.
(GTM::method_group::reinit): New.
* retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
(GTM::gtm_thread::number_of_threads_changed): Check that the method
supports the current situation.
From-SVN: r184211
2012-02-14 13:14:12 +00:00
7d33bcb738
libitm: Add xcalloc.
...
libitm/
* util.cc (GTM::xcalloc): New.
* common.h (GTM::xcalloc): Declare.
From-SVN: r184210
2012-02-14 13:13:56 +00:00
62513f7bed
target.h (cpu_relax): Read from CC register.
...
* config/sparc/target.h (cpu_relax): Read from CC register.
* config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
From-SVN: r184202
2012-02-14 09:22:26 +00:00
d4a698d494
target.h (GTM_longjmp): Jump indirect from memory address.
...
* config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
From-SVN: r184198
2012-02-14 08:50:38 +01:00
f3f5e3c32e
configure.tgt (target_cpu): Handle sparc and sparc64 & sparcv9.
...
* 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
2012-02-13 21:51:44 +00:00
255a9a1bb5
gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
...
gcc/
* gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
(GTM_SELF_SPECS): Define if not already defined.
(driver_self_specs): Add GTM_SELF_SPECS.
* config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
(GTM_SELF_SPECS): Define.
* config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
* config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
libitm/
* configure.ac (link_itm): Fix comment.
* configure: Regenerate.
* testsuite/lib/libitm.exp: Do not pass -litm for the link.
From-SVN: r184174
2012-02-13 21:46:38 +00:00
fc985d2fc7
Fixed PR reference.
...
From-SVN: r183755
2012-01-31 11:42:55 +00:00
681355e30d
Link C++ tests with -shared-libgcc (PR libitm/51822)
...
PR libstdc++/51296
* testsuite/libitm.c++/c++.exp (lang_link_flags): Add
-shared-libgcc.
Correct libgomp references.
From-SVN: r183754
2012-01-31 11:40:17 +00:00
999bcff5bd
libitm: Fix wake-up of readers in futex-based serial lock.
...
libitm/
* config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
wake-up.
From-SVN: r183488
2012-01-24 19:17:05 +00:00
9848887afa
target.h (gtm_jmpbuf): Move rip to the end of structure.
...
* 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
2012-01-24 08:23:57 +01:00
5752c591bc
re PR libitm/51830 (FAIL: libitm.c/mem(cpy|set)-1.c execution test)
...
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
2012-01-23 15:57:44 +01:00
61e72ca4fa
Remove _ITM_getThreadnum
...
* libitm.h (_ITM_getThreadnum): Remove.
* libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
From-SVN: r183431
2012-01-23 13:05:00 +00:00
9ce91011bf
Clear hardware capabilities on libitm.so with Sun ld
...
* clearcap.map: New file.
* acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
* configure.ac: Call it.
Clear HWCAP_LDFLAGS if defaulting to -mavx.
* Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
* configure: Regenerate.
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
From-SVN: r183430
2012-01-23 13:03:25 +00:00
3b4f05ec1e
Skip static_ctor.C test (PR libitm/51173)
...
PR libitm/51173
* testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
include, exclude options.
From-SVN: r183253
2012-01-17 15:42:47 +00:00
aab74ee9d4
libitm: Truncate undo log after rolling back.
...
libitm/
* local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
rolling back.
* containers.h (GTM::vector::set_size): New.
From-SVN: r183173
2012-01-13 23:45:42 +00:00
07b6642b93
libitm: Filter out undo writes that overlap with the libitm stack.
...
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
2012-01-13 23:45:06 +00:00
8377e5e546
libitm_i.h (_Unwind_DeleteException): Declare weak.
...
* libitm_i.h (_Unwind_DeleteException): Declare weak.
* eh_cpp.cc (_Unwind_DeleteException): Define for
!HAVE_ELF_STYLE_WEAKREF.
From-SVN: r183049
2012-01-09 19:16:07 -08:00
11f30bb0e4
libitm: Optimize undo log.
...
libitm/
* local.cc (GTM_LB): Use GTM::gtm_undolog.
(GTM::gtm_thread::drop_references_undolog): Remove.
(GTM::gtm_thread::commit_undolog,
GTM::gtm_thread::rollback_undolog): Move to ...
* libitm_i.h (GTM::gtm_undolog): ...here. New.
(GTM::gtm_undolog_entry): Remove.
(GTM::gtm_thread): Adapt.
* beginend.cc (GTM::gtm_thread::rollback): Adapt.
(GTM::gtm_thread::trycommit): Adapt.
* method-serial.cc (serial_dispatch::log): Adapt.
* method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
(gl_wt_dispatch::store): Fix likely/unlikely.
* containers.h (GTM::vector::resize): Add additional_capacity
parameter and handle it.
(GTM::vector::resize_noinline): New/adapt.
(GTM::vector::push): New.
From-SVN: r182992
2012-01-08 14:13:49 +00:00
a32e5e9357
libitm: PowerPC support.
...
* 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
2012-01-05 13:36:35 -08:00
be223aafde
Add Patrick Marlier to ChangeLog entry.
...
From-SVN: r182912
2012-01-05 14:16:39 +00:00
1f53a8e6ab
re PR libitm/51171 (XFAIL: libitm.c/reentrant.c execution test)
...
PR other/51171
* testsuite/libitm.c/reentrant.c: Remove xfail.
(thread): Pass x to pure().
From-SVN: r182911
2012-01-05 14:14:29 +00:00
c898f7b85f
libitm: Don't enforce privatization safety if already in serial mode.
...
libitm/
* beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
privatization safety if already in serial mode.
From-SVN: r182676
2011-12-24 01:42:48 +00:00
610e390135
libitm: Fix privatization safety during upgrades to serial mode.
...
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
2011-12-24 01:42:35 +00:00
799142bf74
libitm: Fixed conversion to C++11 atomics.
...
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
2011-12-24 01:42:20 +00:00
b0f96e350a
Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
...
* Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
* Makefile.in: Regenerated.
From-SVN: r182593
2011-12-21 17:14:11 +01:00
cc16324749
configure.tgt: Add sh* case.
...
* 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
2011-12-17 03:19:40 +00:00
aebac0ca06
arm-linux: Add libitm support.
...
* 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
2011-12-14 19:24:05 -08:00
5d9d05d349
rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison werror.
...
* config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
signed/unsigned comparison werror.
From-SVN: r182302
2011-12-13 12:10:36 -08:00
36cfbee133
libitm: Conversion to c++11 atomics.
...
* 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
2011-12-13 11:11:25 -08:00
062f93f255
Swap the action and jmpbuf arguments to GTM_longjmp
...
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
2011-11-30 14:29:33 -08:00
bd8aaa863d
Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
...
libitm:
* Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
* Makefile.in: Regenerate.
From-SVN: r181654
2011-11-23 09:46:59 +00:00
8cf36bb3b8
weakref.m4: New file.
...
config:
* weakref.m4: New file.
libitm:
* configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
* alloc_cpp.cc: Generate dummy functions if we don't
HAVE_ELF_STYLE_WEAKREF.
* eh_cpp.cc: Likewise.
* configure: Regenerate.
* aclocal.m4: Likewise.
* config.h.in: Likewise.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
From-SVN: r181618
2011-11-22 14:49:11 +00:00
0b41ebef72
sjlj.S (CONCAT1, [...]): Respond to __USER_LABEL_PREFIX__ for targets that 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
2011-11-22 09:57:19 +00:00
9c9d352aba
memcpy-1.c: Allow for MAP_ANON spelling.
...
libitm:
* testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
* testsuite/libitm.c/memset-1.c: Likewise.
From-SVN: r181611
2011-11-22 09:49:32 +00:00
c6084f681e
Additional fixes for FreeBSD-10 build:
...
/: * libtool.m4: Additional FreeBSD 10 fixes.
boehm-gc/: * configure: Regenerate.
gcc/: * configure: Regenerate.
libffi/: * configure: Regenerate.
libgfortran/: * configure: Regenerate.
libgomp/: * configure: Regenerate.
libitm/: * configure: Regenerate.
libjava/: * configure.ac: Fix some more FreeBSD 10 issues..
* configure: Regenerate.
libjava/libltdl/: * acinclude.m4: Additional FreeBSD 10 fixes.
* configure: Regenerate.
libmudflap/: * configure: Regenerate.
libobjc/: * configure: Regenerate.
libquadmath/: * configure: Regenerate.
libssp/: * configure: Regenerate.
libstdc++-v3/: * configure: Regenerate.
lto-plugin/: * configure: Regenerate.
zlib/: * configure: Regenerate.
From-SVN: r181593
2011-11-21 20:22:35 +01:00
adcd36bc3f
Support sun symbol versioning in libitm
...
libitm:
* acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
(LIBITM_ENABLE_SYMVERS): Handle sun style.
* Makefile.am: Handle sun style versioning.
(libitm_la_LINK): Add $(libitm_la_LDFLAGS).
* configure: Regenerate.
* Makefile.in: Regenerate.
contrib:
* make_sunver.pl: Convert '?' in glob patterns to '.'.
From-SVN: r181588
2011-11-21 17:03:50 +00:00
59659b5967
Support libitm on Solaris 8 and 9/x86 with Sun as
...
* 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
2011-11-18 16:15:59 +00:00
d846e425c9
Provide all dummy functions in alloc_cpp.cc, eh_cpp.cc
...
* alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
_ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
Dummy functions.
* eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
__cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
From-SVN: r181442
2011-11-17 11:34:33 +00:00
807133470c
re PR bootstrap/51098 (bootstrap failed on avx i686, svn revision 181259 to 181267)
...
PR bootstrap/51098
* acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
* configure: Regenerate.
From-SVN: r181408
2011-11-16 15:51:13 +01:00
2841f85e9c
Check ia32 instead of ilp32.
...
2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
From-SVN: r181360
2011-11-14 10:12:24 -08:00
8851b42977
libitm port to Tru64 UNIX
...
* 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
2011-11-10 17:15:33 +00:00
d4b179020b
libitm: Don't add -mavx if the assembler doesn't support avx.
...
* 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
2011-11-10 09:09:04 -08:00
430616e7a7
libitm: Work around assembler missing AVX insns.
...
From-SVN: r181246
2011-11-09 16:29:38 -08:00
79b1edb6b5
libitm: Remove unused code.
...
In particular, unused code that's presenting portability problems.
From-SVN: r181241
2011-11-09 14:54:55 -08:00
8ee9fac21e
libitm: Avoid non-portable x86 branch prediction mnemonic.
...
From-SVN: r181233
2011-11-09 11:51:49 -08:00
9bdc63433a
libitm: de-ELF-ize x86/sjlj.S.
...
* config/x86/sjlj.S: Protect elf directives with __ELF__.
Protect .note.GNU-stack with __linux__.
From-SVN: r181229
2011-11-09 10:38:21 -08:00
4bdd090f8e
libitm: Configure for gas cfi pseudo ops.
...
* 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
2011-11-09 10:09:53 -08:00
4408b0865b
Fix a darwin10 build problem.
...
local.cc:113:6: error: only weak aliases are supported in this configuration
* local.cc (_ITM_LB): Use a normal call, not a function alias.
From-SVN: r181182
2011-11-08 15:36:33 -08:00
3d3b05ff4f
Fix tests for libitm support.
...
From-SVN: r181169
2011-11-08 08:28:30 -08:00
01f3428caf
Check for libitm support at top-level.
...
From-SVN: r181168
2011-11-08 08:06:25 -08:00
07f03cd348
ChangeLog for last change.
...
From-SVN: r181164
2011-11-08 15:13:00 +00:00
e28a3d8bf2
Fix Solaris/x86 libitm build
...
* 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
2011-11-08 14:58:57 +00:00
0a35513e4e
Merge from transactional-memory branch.
...
From-SVN: r181154
2011-11-08 11:13:41 +00:00
Torvald Riegel
Eric Botcazou
Uros Bizjak
Eric Botcazou
Rainer Orth
Rainer Orth
Uros Bizjak
Richard Henderson
Aldy Hernandez
Aldy Hernandez
Jakub Jelinek
Kaz Kojima
Iain Sandoe
Andreas Tobler
H.J. Lu