* configure: Regenerated.
[official-gcc.git] / libitm / ChangeLog
blob2d10d5e8f9703f7b0594f1f294a73b63cc385bca
1 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
3         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
5 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
7         * eh_cpp.cc: Fix __cxa_end_catch declaration.
9 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
11         * configure: Regenerated.
13 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
15         PR libitm/52854
16         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
17         for x86-64.
19 2012-04-03  Tristan Gingold  <gingold@adacore.com>
21         * configure: Regenerate.
23 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
25         PR bootstrap/52812
26         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
28 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
30         * testsuite/lib/libitm.exp: load fortran-modules.exp
32 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34         * configure.tgt (*-*-irix6*): Remove.
36 2012-03-13  Torvald Riegel  <triegel@redhat.com>
38         PR libitm/52526
39         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
40         wake-up.
42 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
44         * configure.tgt (*-*-osf*): Remove.
45         * configure: Regenerate.
47 2012-03-05  Torvald Riegel  <triegel@redhat.com>
49         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
50         memtransfer/memset if size isn't larger than zero.
52 2012-03-02  Torvald Riegel  <triegel@redhat.com>
54         * libitm.texi: Link to specification and add a usage example.
56 2012-02-24  Torvald Riegel  <triegel@redhat.com>
58         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
59         default dispatch for more than 1 thread to ml_wt.
61 2012-02-20  Torvald Riegel  <triegel@redhat.com>
63         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
65 2012-02-20  Torvald Riegel  <triegel@redhat.com>
67         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
69 2012-02-20  Torvald Riegel  <triegel@redhat.com>
71         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
72         serial mode corner cases made obsolete by prior gtm_rwlock changes.
73         (gl_wt_dispatch.rollback): Same.
75 2012-02-20  Torvald Riegel  <triegel@redhat.com>
77         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
79 2012-02-20  Torvald Riegel  <triegel@redhat.com>
81         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
82         for RfW src.  Optimize number of calls to gtm_thr.
84 2012-02-20  Torvald Riegel  <triegel@redhat.com>
86         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
87         acquisition to ...
88         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
89         (default_dispatch): Make atomic.
90         (GTM::gtm_thread::set_default_dispatch): Access atomically.
91         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
92         use decide_begin_dispatch() if default_dispatch might have changed.
93         (GTM::gtm_thread::number_of_threads_changed): Initialize
94         default_dispatch here.
96 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
97             Patrick Marlier  <patrick.marlier@gmail.com>
99         PR libitm/52220
100         * alloc_cpp.cc: No dummy definitions for darwin.
101         * eh_cpp.cc: Likewise.
103 2012-02-14  Richard Henderson  <rth@redhat.com>
105         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
107 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
109         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
111 2012-02-14  Torvald Riegel  <triegel@redhat.com>
113         * libitm_i.h (GTM::gtm_rwlog_entry): New.
114         (GTM::gtm_thread): Add read and write logs.
115         (GTM::dispatch_ml_wt): Declare.
116         * retry.cc (parse_default_method): Support ml_wt.
117         * method-ml.cc: New file.
118         * Makefile.am: Add method-ml.cc.
119         * Makefile.in: Regenerate.
121 2012-02-14  Torvald Riegel  <triegel@redhat.com>
123         * dispatch.h (GTM::abi_dispatch::supports): New.
124         (GTM::method_group::reinit): New.
125         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
126         (GTM::gtm_thread::number_of_threads_changed): Check that the method
127         supports the current situation.
129 2012-02-14  Torvald Riegel  <triegel@redhat.com>
131         * util.cc (GTM::xcalloc): New.
132         * common.h (GTM::xcalloc): Declare.
134 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
136         * config/sparc/target.h (cpu_relax): Read from CC register.
137         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
139 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
141         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
143 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
145         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
146         * config/sparc/cacheline.h: New file.
147         * config/sparc/target.h: Likewise.
148         * config/sparc/sjlj.S: Likewise.
149         * config/linux/sparc/futex_bits.h: Likewise.
151 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
153         * configure.ac (link_itm): Fix comment.
154         * configure: Regenerate.
155         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
157 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
159         PR libitm/51822
160         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
161         Correct libgomp references.
163 2012-01-24  Torvald Riegel  <triegel@redhat.com>
165         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
166         wake-up.
168 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
170         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
171         end of structure.
172         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
173         offset values.  Do not copy return address.  Decrement stack
174         by 56 bytes only.
175         (GTM_longjump) [__x86_64__]: Update offset values.
177 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
179         PR libitm/51830
180         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
181         the first function argument to %eax.
183 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
185         * libitm.h (_ITM_getThreadnum): Remove.
186         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
188 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
190         * clearcap.map: New file.
191         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
192         * configure.ac: Call it.
193         Clear HWCAP_LDFLAGS if defaulting to -mavx.
194         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
195         * configure: Regenerate.
196         * Makefile.in: Regenerate.
197         * testsuite/Makefile.in: Regenerate.
199 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
201         PR libitm/51173
202         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
203         include, exclude options.
205 2012-01-14  Torvald Riegel  <triegel@redhat.com>
207         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
208         rolling back.
209         * containers.h (GTM::vector::set_size): New.
211 2012-01-14  Torvald Riegel  <triegel@redhat.com>
213         PR libitm/51855
214         * config/generic/tls.h (GTM::mask_stack_top): New.
215         (GTM::mask_stack_bottom): Declare.
216         * config/generic/tls.c (GTM::mask_stack_bottom): New.
217         * local.cc (gtm_undolog::rollback): Filter out any updates that
218         overlap the libitm stack.  Add current transaction as parameter.
219         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
220         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
221         * testsuite/libitm.c/stackundo.c: New test.
223 2012-01-10  Richard Henderson  <rth@redhat.com>
225         * libitm_i.h (_Unwind_DeleteException): Declare weak.
226         * eh_cpp.cc (_Unwind_DeleteException): Define for
227         !HAVE_ELF_STYLE_WEAKREF.
229 2012-01-08  Torvald Riegel  <triegel@redhat.com>
231         * local.cc (GTM_LB): Use GTM::gtm_undolog.
232         (GTM::gtm_thread::drop_references_undolog): Remove.
233         (GTM::gtm_thread::commit_undolog,
234         GTM::gtm_thread::rollback_undolog): Move to ...
235         * libitm_i.h (GTM::gtm_undolog): ...here. New.
236         (GTM::gtm_undolog_entry): Remove.
237         (GTM::gtm_thread): Adapt.
238         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
239         (GTM::gtm_thread::trycommit): Adapt.
240         * method-serial.cc (serial_dispatch::log): Adapt.
241         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
242         (gl_wt_dispatch::store): Fix likely/unlikely.
243         * containers.h (GTM::vector::resize): Add additional_capacity
244         parameter and handle it.
245         (GTM::vector::resize_noinline): New/adapt.
246         (GTM::vector::push): New.
248 2012-01-06  Richard Henderson  <rth@redhat.com>
250         * configure.tgt: Support powerpc-linux and powerpc-darwin.
251         * config/linux/powerpc/futex_bits.h: New file.
252         * config/powerpc/cacheline.h: New file.
253         * config/powerpc/sjlj.S: New file.
254         * config/powerpc/target.h: New file.
255         * config/generic/asmcfi.h (cfi_offset): New.
256         (cfi_restore, cfi_undefined): New.
258 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
260         PR other/51171
261         * testsuite/libitm.c/reentrant.c: Remove xfail.
262         (thread): Pass x to pure().
263         From Patrik Marlier <patrick.marlier@gmail.com>.
265 2011-12-24  Torvald Riegel  <triegel@redhat.com>
267         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
268         privatization safety if already in serial mode.
270 2011-12-24  Torvald Riegel  <triegel@redhat.com>
272         * beginend.cc (GTM::gtm_thread::restart): Add and handle
273         finish_serial_upgrade parameter.
274         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
275         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
276         Don't unset reader flag.
277         (GTM::gtm_rwlock::write_upgrade_finish): New.
278         * config/posix/rwlock.cc: Same.
279         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
280         Declare.
281         * config/posix/rwlock.h: Same.
282         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
283         flag after commit or after rollback when restarting.
285 2011-12-24  Torvald Riegel  <triegel@redhat.com>
287         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
288         (GTM::gtm_thread::try_commit): Changed memory order.
289         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
290         as parameter.
291         * config/linux/x86/futex_bits.h (sys_futex0): Same.
292         * config/linux/sh/futex_bits.h (sys_futex0): Same.
293         * config/linux/futex_bits.h (sys_futex0): Same.
294         * config/linux/futex.cc (futex_wait, futex_wake): Same.
295         * config/linux/futex.h (futex_wait, futex_wake): Same.
296         * config/linux/rwlock.h (gtm_rwlock::writers,
297         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
298         ints.
299         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
300         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
301         gtm_rwlock::write_unlock): Fix memory orders and fences.
302         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
303         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
304         gtm_rwlock::write_unlock): Same.
305         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
306         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
307         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
308         Add comments.
309         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
310         gl_wt_dispatch::load, gl_wt_dispatch::store,
311         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
312         orders and fences.  Add comments.
314 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
316         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
317         * Makefile.in: Regenerated.
319 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
321         * configure.tgt: Add sh* case.
322         * config/sh/target.h: New file.
323         * config/sh/sjlj.S: New file.
324         * config/linux/sh/futex_bits.h: New file.
326 2011-12-14  Richard Henderson  <rth@redhat.com>
328         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
329         * config/arm/sjlj.S, config/arm/target.h: New files.
330         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
331         (cfi_rel_offset): New.
332         * config/linux/futex_bits.h: New file.
333         * config/linux/futex.cc: Include futex_bits.h here...
334         * config/linux/futex.h: ... not here.
335         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
336         * configure.ac (ARCH_AM): New conditional.
337         * Makefile.in, configure: Rebuild.
338         * configure.tgt: Handle ARM.
340 2011-12-13  Richard Henderson  <rth@redhat.com>
342         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
343         signed/unsigned comparison werror.
345         * local_atomic: New file.
346         * libitm_i.h: Include it.
347         (gtm_thread::shared_state): Use atomic template.
348         * beginend.cc (GTM::gtm_clock): Use atomic template.
349         (global_tid): Use atomic template if 64-bit atomics available.
350         (gtm_thread::gtm_thread): Update shared_state access.
351         (gtm_thread::trycommit): Likewise.
352         (choose_code_path): Update global_tid access.
353         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
354         * stmlock.h (GTM::gtm_clock): Use atomic template.
355         (gtm_get_clock, gtm_inc_clock): Update accesses.
356         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
357         redundant __sync_synchronize after atomic shared_state access.
358         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
359         (gtm_rwlock::write_lock_generic): Likewise.
360         (gtm_rwlock::read_unlock): Likewise.
361         * config/alpha/target.h (atomic_read_barrier): Remove.
362         (atomic_write_barrier): Remove.
363         * config/x86/target.h (atomic_read_barrier): Remove.
364         (atomic_write_barrier): Remove.
366 2011-11-30  Richard Henderson  <rth@redhat.com>
368         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
369         * beginend.c (_ITM_abortTransaction): Update to match.
370         (GTM::gtm_thread::restart): Likewise.
371         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
372         * config/x86/sjlj.S (GTM_longjmp): Likewise.
374 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
376         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
377         * Makefile.in: Regenerate.
379 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
381         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
382         * alloc_cpp.cc: Generate dummy functions if we don't
383         HAVE_ELF_STYLE_WEAKREF.
384         * eh_cpp.cc: Likewise.
385         * configure: Regenerate.
386         * aclocal.m4:  Likewise.
387         * config.h.in: Likewise.
388         * Makefile.in: Likewise.
389         * testsuite/Makefile.in: Likewise.
391 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
393         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
394         __USER_LABEL_PREFIX__ for targets that use it.
395         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
396         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
397         in portability to non-elf targets.
398         (GTM_longjmp): Likewise.
399         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
400         where required.
402 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
404         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
405         * testsuite/libitm.c/memset-1.c: Likewise.
407 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
409         * configure: Regenerate.
411 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
413         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
414         (LIBITM_ENABLE_SYMVERS): Handle sun style.
415         * Makefile.am: Handle sun style versioning.
416         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
417         * configure: Regenerate.
418         * Makefile.in: Regenerate.
420 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
422         * config/generic/asmcfi.h: Fix comment.
423         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
424         sequence without .hidden support, error for non-ELF targets.
425         (GTM_longjmp) [__ELF__]: Only use .hidden if
426         HAVE_ATTRIBUTE_VISIBILITY.
428 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
430         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
431         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
432         Dummy functions.
433         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
434         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
436 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
438         PR bootstrap/51098
439         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
440         * configure: Regenerate.
442 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
444         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
446 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
448         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
449         .hidden.
450         (.note.GNU-stack): Only use if __linux__.
451         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
452         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
453         * testsuite/libitm.c/reentrant.c: Likewise.
454         * testsuite/libitm.c/simple-2.c: Likewise.
455         * testsuite/libitm.c/txrelease.c: Likewise.
456         * testsuite/libitm.c++/static_ctor.C: Likewise.
458 2011-11-10  Richard Henderson  <rth@redhat.com>
460         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
461         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
462         * configure.ac (ARCH_X86_AVX): New conditional.
463         * Makefile.in, configure: Rebuild.
465 2011-11-09  Richard Henderson  <rth@redhat.com>
467         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
468         * configure.ac: Use it.
469         * config.h.in, configure: Rebuild.
470         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
472 2011-11-09  Richard Henderson  <rth@redhat.com>
474         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
475         * config/alpha/unaligned.h: Remove file.
476         * config/generic/unaligned.h: Remove file.
477         * config/x86/unaligned.h: Remove file.
478         * config/generic/cachepage.h: Remove file.
479         * config/posix/cachepage.cc: Remove file.
480         * config/generic/cacheline.cc: Remove file.
481         * config/x86/cacheline.cc: Remove file.
482         * config/generic/cacheline.h (gtm_cacheline): Remove the
483         store_mask, copy_mask, copy_mask_wb methods.
484         * config/x86/cacheline.h: Likewise.
485         * config/alpha/cacheline.h: Fall back to generic after setting size.
486         * config/generic/tls.cc (gtm_mask_stack): Remove.
487         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
488         (GTM_vpalignr_table): Remove.
489         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
490         (GTM_pshift_table): Remove.
491         * config/libitm_i.h: Don't include cachepage.h.
492         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
493         * Makefile.in, testsuite/Makefile.in: Rebuild.
495 2011-11-09  Richard Henderson  <rth@redhat.com>
497         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
498         to emit branch prediction hint.
500         * config/x86/sjlj.S: Protect elf directives with __ELF__.
501         Protect .note.GNU-stack with __linux__.
503         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
504         * configure, aclocal.m4, config.h.in: Rebuild.
505         * config/generic/asmcfi.h: New file.
506         * config/x86/sjlj.S: Use it.
508 2011-11-08  Richard Henderson  <rth@redhat.com>
510         * local.cc (_ITM_LB): Use a normal call, not a function alias.
512 2011-11-08  Richard Henderson  <rth@redhat.com>
514         * configure.tgt: Test correct directory for supported cpus.
516         * configure.ac: Exit if unsupported.
517         * configure: Rebuild.
518         * configure.tgt: Delete boilerplate from libgomp for unsupported
519         targets.  Set UNSUPPORTED for unsupported targets.
521 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
523         * configure.tgt: Handle i386 like i[456]86.
524         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
525         take address.
526         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
527         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
529 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
531         * method-wbetl.cc: Update copyright notice.
532         * aatree.cc: Same.
533         * util.cc: Same.
534         * libitm.h: Same.
535         * memset.cc: Same.
536         * eh_cpp.cc: Same.
537         * barrier.tpl: Same.
538         * useraction.cc: Same.
539         * stmlock.h: Same.
540         * memcpy.cc: Same.
541         * common.h: Same.
542         * config/generic/tls.cc: Same.
543         * config/generic/cacheline.h: Same.
544         * config/generic/cachepage.h: Same.
545         * config/generic/cacheline.cc: Same.
546         * config/generic/unaligned.h: Same.
547         * config/x86/cacheline.h: Same.
548         * config/x86/cacheline.cc: Same.
549         * config/x86/unaligned.h: Same.
550         * config/alpha/cacheline.h: Same.
551         * config/alpha/unaligned.h: Same.
552         * config/alpha/sjlj.S: Same.
553         * config/posix/cachepage.cc: Same.
554         * config/linux/futex.h: Same.
555         * config/linux/alpha/futex_bits.h: Same.
557 2011-11-04  Torvald Riegel  <triegel@redhat.com>
559         * libitm.texi: No cover text and invariant sections.
561 2011-11-03  Richard Henderson  <rth@redhat.com>
563         * local_type_traits: New file.
564         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
566 2011-11-03  Richard Henderson  <rth@redhat.com>
568         * configure.ac: Don't test for gfortran.
569         * configure: Rebuild.
571         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
572         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
574 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
576         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
577         * testsuite/libitm.c/memset-1.c: Same.
578         * testsuite/libitm.c/c.exp: Same.
579         * testsuite/lib/libitm-dg.exp: Same.
580         * testsuite/lib/libitm.exp: Same.
581         * testsuite/libitm.c++/c++.exp: Same.
583 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
585         * testsuite/config/default.exp: Update copyright date.
586         * configure.ac: Add copyright info.
587         * configure.tgt: Same.
589 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
591         * testsuite/libitm.c/reentrant.c: XFAIL.
592         * testsuite/libitm.c++/static_ctor.C: XFAIL.
594 2011-10-29  Torvald Riegel  <triegel@redhat.com>
596         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
597         handle aborts.
598         (_ITM_abortTransaction): Handle aborts of outer transactions.
599         * libitm_i.h: Same.
600         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
601         * libitm.texi: Document aborts of outer transactions.
602         * testsuite/libitm.c/cancel.c: New file.
604 2011-10-19  Torvald Riegel  <triegel@redhat.com>
606         * testsuite/*: Change __transaction to __transaction_atomic or
607         __transaction_relaxed.
609 2011-10-19  Torvald Riegel  <triegel@redhat.com>
611         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
612         (gtm_thr): Same.
614 2011-10-19  Torvald Riegel  <triegel@redhat.com>
616         * libitm_i.h: Add gl_wt dispatch.
617         * retry.cc (parse_default_method): Same.
618         * method-gl.cc: New file.
619         * Makefile.am: Use method-gl.cc.
620         * Makefile.in: Rebuild.
622 2011-10-19  Torvald Riegel  <triegel@redhat.com>
624         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
625         safety if requested by a TM method.
626         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
627         privatization safety.
628         * method-serial.cc: Same.
630 2011-10-19  Torvald Riegel  <triegel@redhat.com>
632         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
633         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
634         undolog-related member functions from *_local to *_undolog.
635         * local.cc (gtm_thread::commit_undolog): Same.
636         * beginend.cc (GTM::gtm_thread::trycommit): Same.
637         (GTM::gtm_thread::rollback): Roll back undolog before
638         dispatch-specific rollback.
640 2011-10-19  Torvald Riegel  <triegel@redhat.com>
642         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
643         re-initialization of the current method group.
644         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
646 2011-10-19  Torvald Riegel  <triegel@redhat.com>
648         * alloc.cc (commit_allocations_2): Do not free transaction-local
649         memory when committing a nested transaction.
651 2011-10-19  Torvald Riegel  <triegel@redhat.com>
653         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
654         serial-irrevocable dispatch, not serial.
656 2011-10-19  Torvald Riegel  <triegel@redhat.com>
658         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
659         declarations.
660         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
661         * method-serial.cc: Implement begin_or_restart().
662         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
663         dispatch-specific begin_or_restart().
664         (GTM::gtm_thread::restart): Same.
666 2011-08-23  Torvald Riegel  <triegel@redhat.com>
668         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
669         restarting without switching to serial mode.
670         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
671         transaction state. Choose closed-nesting alternative if available.
672         (GTM::gtm_thread::set_default_dispatch): New.
673         (parse_default_method): New.
674         (GTM::gtm_thread::number_of_threads_changed): New.
675         * method-serial.cc (GTM::serial_mg): New method group class.
676         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
677         fini.
678         (GTM::serial_dispatch): Same.
679         (GTM::serialirr_onwrite_dispatch): Same.
680         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
681         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
682         registered threads.
683         (GTM::gtm_thread::gtm_thread): Same.
684         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
685         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
686         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
687         choose dispatch but set state according to dispatch here.
688         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
689         (GTM::method_group): New class.
690         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
691         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
692         * libitm.texi: Document TM methods, method groups, method life cycle.
693         Rename method sets to method groups.
695 2011-08-23  Torvald Riegel  <triegel@redhat.com>
697         * config/x86/tls.h: Moved to ...
698         * config/linux/x86/tls.h: ... here.
700 2011-08-23  Torvald Riegel  <triegel@redhat.com>
702         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
703         Add X32 support.
704         * config/x86/sjlj.S: Same.
706 2011-08-19  Torvald Riegel  <triegel@redhat.com>
708         * config/linux/rwlock.h: New file.
709         * config/linux/rwlock.c: New file.
710         * configure.ac: Reenable futex support (undo SVN rev 157758).
711         * Makefile.am: Same.
712         * configure.tgt: Same.
713         * config/linux/alpha/futex_bits.h: Same.
714         * config/linux/futex.h: Same. Return number of woken processes.
715         * config/linux/futex.cc: Same.
716         (futex_wait): Remove spinning.
717         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
718         Use __x86_64__ instead of __LP64__.
719         * aclocal.m4: Include generic futex checks.
720         * configure: Rebuild.
721         * Makefile.in: Rebuild.
722         * testsuite/Makefile.in: Rebuild.
723         * beginend.cc: Include pthread.h.
724         * config/posix/cachepage.cc: Same.
726 2011-08-12  Torvald Riegel  <triegel@redhat.com>
728         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
729         (abi_disp, set_abi_disp): Move to tx's TLS slot.
730         (set_gtm_thr): New.
731         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
732         (set_gtm_thr): New.
733         (GTM::gtm_thread::thread_num): Removed.
734         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
735         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
736         tx-to-thread renaming.
737         * beginend.cc: Adapted to tx-to-thread renaming.
738         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
739         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
740         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
741         gtm_transaction to gtm_thread.
742         (_ITM_getThreadnum): Removed. Not supported anymore.
743         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
744         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
745         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
746         gtm_tx-to-gtm_thr renaming if necessary.
747         * eh_cpp.cc: Same.
748         * local.cc: Same.
749         * retry.cc: Same.
750         * clone.cc: Same.
751         * alloc.cc: Same.
752         * alloc_c.cc: Same.
753         * alloc_cpp.cc: Same.
754         * method-serial.cc: Same.
755         * config/generic/tls.cc: Same.
756         * config/posix/rwlock.h (gtm_rwlock): Same.
757         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
759 2011-08-12  Torvald Riegel  <triegel@redhat.com>
761         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
762         implementation.
763         (gtm_rwlock::read_unlock): Same.
764         (gtm_rwlock::write_lock_generic): New. Generalized from ...
765         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
766         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
767         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
768         w_upgrade. Replaced by per-transaction flags (in shared_state).
769         Added c_confirmed_writers.
770         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
771         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
772         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
773         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
774         * beginend.cc (GTM::gtm_transaction::begin_transaction,
775         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
776         * libitm.texi: Document locking conventions and implementations in
777         libitm.
779 2011-08-12  Torvald Riegel  <triegel@redhat.com>
781         * libitm_i.h (next_tx): Add list of all threads' transaction.
782         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
783         transaction with list of transactions and ...
784         (thread_exit_handler): ... deregister here.
785         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
786         * config/x86/target.h: Same.
788 2011-08-12  Torvald Riegel  <triegel@redhat.com>
790         * testsuite/libitm.c++/static_ctor.C: New file.
792 2011-08-12  Torvald Riegel  <triegel@redhat.com>
794         * testsuite/libitm.c/reentrant.c: New file.
796 2011-08-12  Torvald Riegel  <triegel@redhat.com>
798         * config/generic/tls.h: Remove the free list for transactions and ...
799         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
800         (GTM::gtm_transaction::operator delete): ... and release here.
801         (thread_exit_handler): New. Delete tx when thread terminates.
802         (thread_exit_init): New.
803         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
804         * testsuite/libitm.c/txrelease.c: New file.
806 2011-08-12  Torvald Riegel  <triegel@redhat.com>
808         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
809         * testsuite/libitm.c/notx.c: New file.
811 2011-08-12  Torvald Riegel  <triegel@redhat.com>
813         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
814         * libitm_i.h (local_tid): ... to here.
815         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
816         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
818 2011-08-12  Torvald Riegel  <triegel@redhat.com>
820         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
821         serialirr_onwrite_dispatch as new default for now.
822         * method-serial.cc (serialirr_onwrite_dispatch): New.
823         (GTM::dispatch_serialirr_onwrite): New.
824         * libitm_i.h: Same.
826 2011-08-12  Torvald Riegel  <triegel@redhat.com>
828         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
829         * query.cc (_ITM_getTransactionId): There is no active transaction if
830         the current nesting level is zero.
832 2011-07-28  Torvald Riegel  <triegel@redhat.com>
834         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
835         rollback.
837 2011-07-28  Torvald Riegel  <triegel@redhat.com>
839         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
840         transaction properties from the caller instead of from the
841         transaction object.
842         * libitm_i.h: Same.
843         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
845 2011-07-28  Torvald Riegel  <triegel@redhat.com>
847         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
848         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
849         * dispatch.h: Same.
850         * method-serial.cc: Same.
851         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
852         flat nesting as default, and closed nesting on demand.
853         (GTM::gtm_transaction::rollback): Same.
854         (_ITM_abortTransaction): Same.
855         (GTM::gtm_transaction::restart): Same.
856         (GTM::gtm_transaction::trycommit): Same.
857         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
858         (choose_code_path): New.
859         (GTM::gtm_transaction_cp::save): New.
860         (GTM::gtm_transaction_cp::commit): New.
861         * query.cc (_ITM_inTransaction): Support flat nesting.
862         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
863         (GTM::gtm_transaction): Support flat and closed nesting.
864         * alloc.cc (commit_allocations_2): New.
865         (commit_cb_data): New helper struct.
866         (GTM::gtm_transaction::commit_allocations): Handle nested
867         commits/rollbacks.
868         * libitm.texi: Update user action section, add description of nesting.
870 2011-07-28  Torvald Riegel  <triegel@redhat.com>
872         * libitm_i.h: Add closed nesting as restart reason.
873         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
875 2011-07-28  Torvald Riegel  <triegel@redhat.com>
877         * useraction.cc: Use vector instead of list to store actions.
878         Also support partial rollbacks for closed nesting.
879         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
880         * beginend.cc: Same.
882 2011-07-28  Torvald Riegel  <triegel@redhat.com>
884         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
885         closed_nesting flags, as well as a closed nesting alternative.
886         * method-serial.cc: Same.
887         (serial_dispatch): Renamed to serialirr_dispatch.
888         (GTM::dispatch_serialirr): Same.
889         (serial_dispatch_ul): Renamed to serial_dispatch.
890         (GTM::dispatch_serial): Same.
892 2011-07-28  Torvald Riegel  <triegel@redhat.com>
894         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
896 2011-07-28  Torvald Riegel  <triegel@redhat.com>
898         * aatree.h (aa_tree::remove): New.
899         (aa_tree::operator new): Add placement new.
901 2011-07-02  Torvald Riegel  <triegel@redhat.com>
903         * containers.h: New file.
904         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
905         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
906         * common.h: ... to here.
907         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
908         * local.cc: Same.
910 2011-06-30  Torvald Riegel  <triegel@redhat.com>
912         * libitm_i.h (STATE_ABORTING): Remove.
913         * beginend.cc (_ITM_abortTransaction): Same.
914         (GTM::gtm_transaction::trycommit_and_finalize): Same.
915         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
916         (_ITM_rollbackTransaction): Remove.
917         * beginend.cc: Same.
918         * libitm.map: Same.
919         * libitm.texi: Document these ABI changes.
921 2011-06-30  Torvald Riegel  <triegel@redhat.com>
923         * libitm.texi: New file.
924         * Makefile.am: Add libitm.texi.
925         * Makefile.in: Rebuild.
927 2011-06-30  Torvald Riegel  <triegel@redhat.com>
929         * libitm_i.h: Move parts to common.h and dispatch.h.
930         * common.h: New file.
931         * dispatch.h: New file, new dispatch class.
932         Rename GTM::abi_dispatch::lock_type to ls_modifier.
933         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
934         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
935         decision to retry.cc.
936         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
937         only.
938         (GTM::gtm_transaction::decide_begin_dispatch): Same.
939         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
940         logging.
941         * barrier.cc: Use new barriers definitions.
942         (abi_dispatch::memmove_overlap_check): New.
943         * config/x86/x86_sse.cc: Same.
944         * config/x86/x86_avx.cc: Same.
945         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
946         memcpy.cc.
947         * Makefile.in: Rebuild.
948         * method-readonly.cc: Remove.
949         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
950         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
952 2011-06-30  Torvald Riegel  <triegel@redhat.com>
954         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
955         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
956         * testsuite/libitm.c/dropref-2.c: Same.
957         * testsuite/libitm.c/dropref.c: Same.
959 2011-06-30  Torvald Riegel  <triegel@redhat.com>
961         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
962         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
963         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
964         * alloc_c.cc: Same.
965         * barrier.tpl: Same.
966         * beginend.c: Same.
967         * config/generic/tls.h: Same.
968         * config/x86/tls.h: Same.
969         * libitm_i.h: Same.
970         * memcpy.cc: Same.
971         * memset.cc: Same.
972         * method-readonly.cc: Same.
973         * method-serial.cc: Same.
974         * method-wbetl.cc: Same.
975         * retry.cc: Same.
977 2011-03-03  Richard Henderson  <rth@redhat.com>
979         * config/posix/rwlock.cc (write_upgrade): Add missing case.
980         From Patrik Marlier <patrick.marlier@unine.ch>.
982 2011-02-03  Richard Henderson  <rth@redhat.com>
984         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
985         * configure.ac: Use it.
986         * configure, config.h.in: Rebuild.
987         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
988         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
989         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
990         * libitm.map: Use wildcards to match size_t mangling.
992 2010-12-14  Richard Henderson  <rth@redhat.com>
994         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
995         blocks of TIDs per thread.
996         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
997         (setup_gtm_thr): Return the thread structure.
998         * config/x86/tls.h (setup_gtm_thr): Likewise.
1000 2010-12-14  Richard Henderson  <rth@redhat.com>
1002         * clone.cc (table_lock): Remove.
1003         (find_clone): Don't take it.
1004         (ExcludeTransaction): New helper class.
1005         (_ITM_registerTMCloneTable): Use it.
1006         (_ITM_deregisterTMCloneTable): Likewise.
1008 2010-12-14  Richard Henderson  <rth@redhat.com>
1010         * config/x86/tls.h: New file.
1012 2010-07-15  Richard Henderson  <rth@redhat.com>
1014         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1015         * Makefile.in: Rebuild.
1017 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1019         * method-wbetl.cc (trydropreference): Fix source line.
1021 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1023         * libitm.h: Add comment.
1024         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1026 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1028         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1029         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1030         available, use pthread mutexes.
1031         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1032         * config.h.in: Regenerate.
1033         * configure: Regenerate.
1035 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1037         * libitm.h (ITM_PURE): Define.
1038         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1040 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1042         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1043         (validate): Add comment.
1044         (trydropreference): New.
1045         * method-readonly.cc (class readonly_dispatch): Add
1046         trydropreference.
1047         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1048         Call trydropreference().
1049         * libitm.h (_ITM_dropReferences): Remove const attribute.
1050         * method-serial.cc (class serial_dispatch): Add trydropreference.
1051         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1053 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1055         * memcpy.cc (do_memcpy): Comment.
1057 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1059         * barrier.tpl: Add comments throughout.
1061 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1063         * method-wbetl.cc (struct w_entry): Add comments.
1064         (trycommit): Same.
1065         (rollback): Same.
1067 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1069         * alloc_c.cc (_ITM_dropReferences): New.
1070         * libitm.map (_ITM_dropReferences): Add.
1071         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1072         * libitm_i.h (struct gtm_transaction): Declare
1073         drop_references_allocations and drop_references_local.
1074         * local.cc (rollback_local): Ignore memory when applicable.
1075         (drop_references_local): New.
1077 2010-06-23  Richard Henderson  <rth@redhat.com>
1079         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1080         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1081         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1082         * config/alpha/target.h: Likewise.
1083         * config/generic/tls.cc (gtm_mask_stack): Use it.
1085 2010-06-23  Richard Henderson  <rth@redhat.com>
1087         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1088         a mutex instead of trying a lock-free compare-and-swap on the list.
1089         (gtm_cacheline_page::operator delete): Likewise.
1091 2010-06-16  Richard Henderson  <rth@redhat.com>
1093         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1094         that overlap the libitm stack.
1095         * barrier.tpl: Mark incoming stack.
1096         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1097         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1098         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1099         * memcpy.cc, memset.cc: Likewise.
1100         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1101         * config/generic/tls.h (gtm_thread): Add stack_top member.
1102         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1103         * libitm_i.h (gtm_mask_stack): Declare.
1104         * config/generic/tls.cc: New file.
1105         * Makefile.am (libitm_la_SOURCES): Add it.
1106         (AM_CXXFLAGS): Turn off exceptions.
1107         * Makefile.in: Rebuild.
1109 2010-06-16  Richard Henderson  <rth@redhat.com>
1111         * alloc.cc (struct gtm_alloc_action): Move definition ...
1112         * libitm_i.h: ... here.
1113         (class gtm_transaction): Declare new and delete.
1114         * beginend.cc (alloc_tx): Reformulate as operator new.
1115         (free_tx): Reformulate as operator delete.
1116         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1118 2010-06-11  Richard Henderson  <rth@redhat.com>
1120         * clone.cc (clone_entry_compare): Fix typo.
1121         From Patrik Marlier <patrick.marlier@unine.ch>.
1123 2010-05-13  Richard Henderson  <rth@redhat.com>
1125         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1126         in extern "C".
1128 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1130         * libitm_i.h (struct gtm_transaction): Remove
1131         get_allocation_size.
1132         (record_allocation): Remove size parameter.
1133         * libitm.map (_ITM_realloc): Remove.
1134         * alloc_c.cc (_ITM_realloc): Remove.
1135         (_ITM_malloc): Remove size argument to record_allocation.
1136         (_ITM_calloc): Same.
1137         * alloc_cpp.cc (_ZGTtnwm): Same.
1138         (_ZGTtnwmRKSt9nothrow_t): Same.
1139         (_ZGTtnam): Same.
1140         (_ZGTtnamRKSt9nothrow_t): Same.
1141         * alloc.cc (struct gtm_alloc_action): Remove size.
1142         (get_allocation_size): Remove.
1143         (commit_allocations): Add comment.
1144         (record_allocation): Remove size parameter.
1145         (forget_allocation): Remove set of size.
1147 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1149         * Makefile.am (abi_version): New.
1150         (AM_CXXFLAGS): Pass abi_version.
1151         * Makefile.in: Regenerate.
1152         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1154 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1156         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1157         _ITM_getTMCloneOrIrrevokable.
1158         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1159         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1161 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1163         * configure.ac: Remove Linux futex support.
1164         * configure.tgt (config_path): Same.
1165         * Makefile.am: Same.
1166         * config/linux: Remove entire directory.
1167         * configure: Rebuild.
1168         * Makefile.in: Rebuild.
1169         * testsuite/Makefile.in: Rebuild.
1171 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1173         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1174         switching to serial mode.
1175         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1177 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1179         * configure.tgt: Add emacs -*- tags.
1180         * barrier.tpl: Same.
1182 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1184         * Makefile.am: Rename serial.cc to method-serial.cc.
1185         * Makefile.in: Regenerate with automake 1.11.1.
1186         * testsuite/Makefile.in: Same.
1187         * aclocal.m4: Regenerate with aclocal 1.11.1.
1188         * method-serial.cc: Rename from serial.cc.
1189         * libitm_i.h (struct gtm_transaction): Update comment on
1190         serialirr_mode.
1192 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1194         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1195         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1197 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1199         * configure: Rebuild.
1201 2009-11-12  Richard Henderson  <rth@redhat.com>
1203         * Rewrite everything in C++.
1205 2009-11-03  Richard Henderson  <rth@redhat.com>
1207         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1208         * Makefile.am (libitm_la_SOURCES): Add them.
1209         * configure.ac (ARCH_X86): New conditional.
1210         * Makefile.in, configure: Rebuild.
1211         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1212         Move futex setup into "other system configury" case.
1213         * local.c (rollback_local): Merge into ...
1214         (GTM_rollback_local): ... here.
1215         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1216         (_ITM_LB): Define as an alias to GTM_LB.
1218 2009-11-03  Richard Henderson  <rth@redhat.com>
1220         * method-readonly.c: New file.
1221         * Makefile.am (libitm_la_SOURCES): Add it.
1222         * Makefile.in: Rebuild.
1223         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1224         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1225         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1226         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1227         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1228         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1229         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1230         gtm_get_clock, gtm_inc_clock): New.
1231         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1232         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1233         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1234         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1235         replace uses with new libitm_i.h symbols.
1236         (dispatch_wbetl): Rename from wbetl_dispatch.
1237         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1238         away from dispatch_readonly; abort if the beginTransaction call
1239         asserted that the transaction was readonly.
1241 2009-11-03  Richard Henderson  <rth@redhat.com>
1243         * memset.c: New file.
1244         * Makefile.am (libitm_la_SOURCES): Add it.
1245         * Makefile.in: Rebuild.
1246         * testsuite/libitm.c/memset-1.c: New.
1248 2009-11-03  Richard Henderson  <rth@redhat.com>
1250         * dispatch.c: Remove file.
1251         * useraction.c (struct gtm_user_action): Move from libitm.h.
1252         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1253         (serial_memset, serial_memmove, serial_memcpy): Remove.
1254         (serial_W*, serial_R*): Remove.
1255         (serial_dispatch): Update to match.
1256         * configure.ac: Move Werror down below configure checks.  Don't
1257         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1258         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1259         Use GCC_AC_FUNC_MMAP_BLACKLIST
1260         * libitm.h: Split out all internal items to...
1261         * libitm_i.h: ... here.  New file.
1262         * copymask.c: New file.
1263         * local.c (struct gtm_local_undo): Move from libitm.h.
1264         (GTM_alloc_local): Rename from alloc_local; export.
1265         * memcpy.c: New file.
1266         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1267         * config/posix/page.c: New file.
1268         * config/posix/target_tls.h: Remove file.
1269         * barrier.c: New file.
1270         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1271         copymask.c, page.c.
1272         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1273         * method-wbetl.c: Rewrite for new cacheline methods.
1274         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1276         * config/alpha/sjlj.S: Fix typo.
1277         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1278         * config/alpha/copymask.c: New file.
1279         * config/alpha/target.h (CACHELINE_SIZE): New.
1280         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1282         * config/x86/target_i.h: Copy functions from x86/target.h.
1283         * config/x86/copymask.c: New file.
1284         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1285         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1286         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1287         * config/x86/target_tls.h: Move contents to target_i.h.
1289         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1290         * testsuite/libitm.c/memcpy-1.c: New.
1292 2009-10-22  Richard Henderson  <rth@redhat.com>
1294         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1295         (AM_CCASFLAGS): New.
1296         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1297         saving/restoring _AC_ARG_VAR_PRECIOUS.
1298         * Makefile.in, aclocal.m4, config.h.in, configure,
1299         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1301 2009-10-22  Richard Henderson  <rth@redhat.com>
1303         * testsuite/*: Update for new compiler syntax.
1305 2009-10-21  Richard Henderson  <rth@redhat.com>
1307         * libitm.h (_ITM_abortReason): Add outerAbort.
1309 2009-08-03  Richard Henderson  <rth@redhat.com>
1311         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1312         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1313         * method-wbetl.c (struct w_entry): Remove mask.
1314         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1315         adjust all callers.
1317 2009-07-22  Richard Henderson  <rth@redhat.com>
1319         * eh_cpp.c: New file.
1320         * Makefile.am (libitm_la_SOURCES): Add it.
1321         * Makefile.in: Rebuild.
1322         * beginend.c (GTM_rollback_transaction): Undo exception state.
1323         (GTM_trycommit_transaction): Mark inline.
1324         (GTM_trycommit_and_finalize_transaction): Split out from ...
1325         (_ITM_commitTransaction): ... here.
1326         (_ITM_commitTransactionEH): New function.
1327         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1328         cxa_unthrown, eh_in_flight; reorder.
1330         * testsuite/libitm.c++/c++.exp: New.
1331         * testsuite/libitm.c++/eh-1.C: New.
1333         * aatree.c (aa_free): Remove REGPARM.
1334         * aatree.h: Remove all REGPARM.
1336 2009-07-18  Richard Henderson  <rth@redhat.com>
1338         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1339         * Makefile.am (libitm_la_SOURCES): Add them.
1340         * Makefile.in: Rebuild.
1341         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1342         (GTM_trycommit_transaction): Likewise.
1343         * libitm.h: Include aatree.h
1344         (struct gtm_alloc_action): New.
1345         (struct gtm_transaction): Add alloc_actions.
1346         (GTM_record_allocation, GTM_forget_allocation): Declare.
1347         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1348         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1349         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1350         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1351         _ZGTtdaPvRKSt9nothrow_t): Export.
1353 2009-07-18  Richard Henderson  <rth@redhat.com>
1355         * target_tls.h: Move ...
1356         * config/posix/target_tls.h: ... here.
1358 2009-07-07  Richard Henderson  <rth@redhat.com>
1360         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1362 2009-07-07  Richard Henderson  <rth@redhat.com>
1364         * Update to GPL3.
1366 2009-07-07  Richard Henderson  <rth@redhat.com>
1368         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1369         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1371         * configure.tgt: Don't use -ftls-model for x86 linux.
1372         * libitm.h: Include target.h after standard includes.
1373         (_gtm_thr): Rename from gtm_thr.
1374         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1375         (gtm_disp, set_gtm_disp): New.
1376         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1377         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1378         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1380 2009-07-07  Richard Henderson  <rth@redhat.com>
1382         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1384 2009-07-06  Richard Henderson  <rth@redhat.com>
1386         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1387         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1388         (_ITM_beginTransaction): Take variadic arguments.
1389         (_ITM_registerThrownObject): Declare.
1390         * beginend.c, serial.c: Update.
1391         * libitm.map: Add _ITM_registerThrownObject.
1393 2009-01-28  Richard Henderson  <rth@redhat.com>
1395         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1396         * Makefile.in: Rebuild.
1397         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1398         (GTM_restart_transaction): Fix uninstrumented code check.
1399         * retry.c (GTM_decide_retry_strategy): Add serial check.
1400         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1401         automatically go irrevokable when in serial mode.
1402         * clone.c: New file.
1403         * libitm.h, libitm.map: Update.
1405 2009-01-27  Richard Henderson  <rth@redhat.com>
1407         * Makefile.am (LTCCASCOMPILE): Define.
1408         (libitm_la_SOURCES): Add methid-wbetl.c.
1409         * testsuite/Makefile.am: New
1410         * configure.ac: Add testsuite/Makefile.
1411         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1412         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1413         (_ITM_abortTransaction): Finalize implementation method; pass
1414         transaction properties to longjmp.
1415         (GTM_restart_transaction): Split out from ...
1416         (_ITM_commitTransaction): ... here.
1417         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1418         Move to config/x86/target.h.
1419         * config/linux/alpha/futex_bits.h: New.
1420         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1421         * config/x86/target.h: Disable target types for 32-bit.
1422         * config/alpha/sjlj.S, config/alpha/target.h: New.
1423         * libitm.h (struct gtm_dispatch): Add init, fini.
1424         (enum restart_reason): New.
1425         (struct gtm_transaction): Add method and restarts.
1426         * retry.c (GTM_decide_retry_strategy): Implement.
1427         * serial.c (serial_init, serial_fini): New.
1428         (GTM_serialmode): Finialize outgoing method.
1429         * method-wbetl.c: New.
1431 2008-12-09  Richard Henderson  <rth@redhat.com>
1433         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1434         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1435         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1436         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1437         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1438         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1439         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1440         * serial.c (serial_R##T, serial_W##T): Likewise.
1442 2008-11-21  Richard Henderson  <rth@redhat.com>
1444         * Initial commit.