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226 Commits

Author SHA1 Message Date
Richard Henderson
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
Richard Henderson
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
Richard Henderson
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
Iain Sandoe
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
Iain Sandoe
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
Iain Sandoe
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
Iain Sandoe
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
Andreas Tobler
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
Rainer Orth
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
Rainer Orth
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
Rainer Orth
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
Uros Bizjak
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
H.J. Lu
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
Rainer Orth
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
Richard Henderson
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
Richard Henderson
430616e7a7 libitm: Work around assembler missing AVX insns. 
From-SVN: r181246
 2011-11-09 16:29:38 -08:00
Richard Henderson
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
Richard Henderson
8ee9fac21e libitm: Avoid non-portable x86 branch prediction mnemonic. 
From-SVN: r181233
 2011-11-09 11:51:49 -08:00
Richard Henderson
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
Richard Henderson
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
Richard Henderson
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
Richard Henderson
3d3b05ff4f Fix tests for libitm support. 
From-SVN: r181169
 2011-11-08 08:28:30 -08:00
Richard Henderson
01f3428caf Check for libitm support at top-level. 
From-SVN: r181168
 2011-11-08 08:06:25 -08:00
Rainer Orth
07f03cd348 ChangeLog for last change. 
From-SVN: r181164
 2011-11-08 15:13:00 +00:00
Rainer Orth
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
Aldy Hernandez
0a35513e4e Merge from transactional-memory branch. 
From-SVN: r181154
 2011-11-08 11:13:41 +00:00