2012-09-19 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
[official-gcc.git] / libitm / ChangeLog
blob7c894ba69291749f0d4bf25449e8f74e5b8b9ee5
1 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
3         * configure: Regenerated.
5 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
7         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
9 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
11         * eh_cpp.cc: Fix __cxa_end_catch declaration.
13 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
15         * configure: Regenerated.
17 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
19         PR libitm/52854
20         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
21         for x86-64.
23 2012-04-03  Tristan Gingold  <gingold@adacore.com>
25         * configure: Regenerate.
27 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
29         PR bootstrap/52812
30         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
32 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
34         * testsuite/lib/libitm.exp: load fortran-modules.exp
36 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38         * configure.tgt (*-*-irix6*): Remove.
40 2012-03-13  Torvald Riegel  <triegel@redhat.com>
42         PR libitm/52526
43         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
44         wake-up.
46 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
48         * configure.tgt (*-*-osf*): Remove.
49         * configure: Regenerate.
51 2012-03-05  Torvald Riegel  <triegel@redhat.com>
53         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
54         memtransfer/memset if size isn't larger than zero.
56 2012-03-02  Torvald Riegel  <triegel@redhat.com>
58         * libitm.texi: Link to specification and add a usage example.
60 2012-02-24  Torvald Riegel  <triegel@redhat.com>
62         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
63         default dispatch for more than 1 thread to ml_wt.
65 2012-02-20  Torvald Riegel  <triegel@redhat.com>
67         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
69 2012-02-20  Torvald Riegel  <triegel@redhat.com>
71         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
73 2012-02-20  Torvald Riegel  <triegel@redhat.com>
75         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
76         serial mode corner cases made obsolete by prior gtm_rwlock changes.
77         (gl_wt_dispatch.rollback): Same.
79 2012-02-20  Torvald Riegel  <triegel@redhat.com>
81         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
83 2012-02-20  Torvald Riegel  <triegel@redhat.com>
85         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
86         for RfW src.  Optimize number of calls to gtm_thr.
88 2012-02-20  Torvald Riegel  <triegel@redhat.com>
90         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
91         acquisition to ...
92         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
93         (default_dispatch): Make atomic.
94         (GTM::gtm_thread::set_default_dispatch): Access atomically.
95         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
96         use decide_begin_dispatch() if default_dispatch might have changed.
97         (GTM::gtm_thread::number_of_threads_changed): Initialize
98         default_dispatch here.
100 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
101             Patrick Marlier  <patrick.marlier@gmail.com>
103         PR libitm/52220
104         * alloc_cpp.cc: No dummy definitions for darwin.
105         * eh_cpp.cc: Likewise.
107 2012-02-14  Richard Henderson  <rth@redhat.com>
109         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
111 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
113         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
115 2012-02-14  Torvald Riegel  <triegel@redhat.com>
117         * libitm_i.h (GTM::gtm_rwlog_entry): New.
118         (GTM::gtm_thread): Add read and write logs.
119         (GTM::dispatch_ml_wt): Declare.
120         * retry.cc (parse_default_method): Support ml_wt.
121         * method-ml.cc: New file.
122         * Makefile.am: Add method-ml.cc.
123         * Makefile.in: Regenerate.
125 2012-02-14  Torvald Riegel  <triegel@redhat.com>
127         * dispatch.h (GTM::abi_dispatch::supports): New.
128         (GTM::method_group::reinit): New.
129         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
130         (GTM::gtm_thread::number_of_threads_changed): Check that the method
131         supports the current situation.
133 2012-02-14  Torvald Riegel  <triegel@redhat.com>
135         * util.cc (GTM::xcalloc): New.
136         * common.h (GTM::xcalloc): Declare.
138 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
140         * config/sparc/target.h (cpu_relax): Read from CC register.
141         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
143 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
145         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
147 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
149         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
150         * config/sparc/cacheline.h: New file.
151         * config/sparc/target.h: Likewise.
152         * config/sparc/sjlj.S: Likewise.
153         * config/linux/sparc/futex_bits.h: Likewise.
155 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
157         * configure.ac (link_itm): Fix comment.
158         * configure: Regenerate.
159         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
161 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
163         PR libitm/51822
164         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
165         Correct libgomp references.
167 2012-01-24  Torvald Riegel  <triegel@redhat.com>
169         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
170         wake-up.
172 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
174         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
175         end of structure.
176         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
177         offset values.  Do not copy return address.  Decrement stack
178         by 56 bytes only.
179         (GTM_longjump) [__x86_64__]: Update offset values.
181 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
183         PR libitm/51830
184         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
185         the first function argument to %eax.
187 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
189         * libitm.h (_ITM_getThreadnum): Remove.
190         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
192 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
194         * clearcap.map: New file.
195         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
196         * configure.ac: Call it.
197         Clear HWCAP_LDFLAGS if defaulting to -mavx.
198         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
199         * configure: Regenerate.
200         * Makefile.in: Regenerate.
201         * testsuite/Makefile.in: Regenerate.
203 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
205         PR libitm/51173
206         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
207         include, exclude options.
209 2012-01-14  Torvald Riegel  <triegel@redhat.com>
211         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
212         rolling back.
213         * containers.h (GTM::vector::set_size): New.
215 2012-01-14  Torvald Riegel  <triegel@redhat.com>
217         PR libitm/51855
218         * config/generic/tls.h (GTM::mask_stack_top): New.
219         (GTM::mask_stack_bottom): Declare.
220         * config/generic/tls.c (GTM::mask_stack_bottom): New.
221         * local.cc (gtm_undolog::rollback): Filter out any updates that
222         overlap the libitm stack.  Add current transaction as parameter.
223         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
224         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
225         * testsuite/libitm.c/stackundo.c: New test.
227 2012-01-10  Richard Henderson  <rth@redhat.com>
229         * libitm_i.h (_Unwind_DeleteException): Declare weak.
230         * eh_cpp.cc (_Unwind_DeleteException): Define for
231         !HAVE_ELF_STYLE_WEAKREF.
233 2012-01-08  Torvald Riegel  <triegel@redhat.com>
235         * local.cc (GTM_LB): Use GTM::gtm_undolog.
236         (GTM::gtm_thread::drop_references_undolog): Remove.
237         (GTM::gtm_thread::commit_undolog,
238         GTM::gtm_thread::rollback_undolog): Move to ...
239         * libitm_i.h (GTM::gtm_undolog): ...here. New.
240         (GTM::gtm_undolog_entry): Remove.
241         (GTM::gtm_thread): Adapt.
242         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
243         (GTM::gtm_thread::trycommit): Adapt.
244         * method-serial.cc (serial_dispatch::log): Adapt.
245         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
246         (gl_wt_dispatch::store): Fix likely/unlikely.
247         * containers.h (GTM::vector::resize): Add additional_capacity
248         parameter and handle it.
249         (GTM::vector::resize_noinline): New/adapt.
250         (GTM::vector::push): New.
252 2012-01-06  Richard Henderson  <rth@redhat.com>
254         * configure.tgt: Support powerpc-linux and powerpc-darwin.
255         * config/linux/powerpc/futex_bits.h: New file.
256         * config/powerpc/cacheline.h: New file.
257         * config/powerpc/sjlj.S: New file.
258         * config/powerpc/target.h: New file.
259         * config/generic/asmcfi.h (cfi_offset): New.
260         (cfi_restore, cfi_undefined): New.
262 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
264         PR other/51171
265         * testsuite/libitm.c/reentrant.c: Remove xfail.
266         (thread): Pass x to pure().
267         From Patrik Marlier <patrick.marlier@gmail.com>.
269 2011-12-24  Torvald Riegel  <triegel@redhat.com>
271         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
272         privatization safety if already in serial mode.
274 2011-12-24  Torvald Riegel  <triegel@redhat.com>
276         * beginend.cc (GTM::gtm_thread::restart): Add and handle
277         finish_serial_upgrade parameter.
278         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
279         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
280         Don't unset reader flag.
281         (GTM::gtm_rwlock::write_upgrade_finish): New.
282         * config/posix/rwlock.cc: Same.
283         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
284         Declare.
285         * config/posix/rwlock.h: Same.
286         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
287         flag after commit or after rollback when restarting.
289 2011-12-24  Torvald Riegel  <triegel@redhat.com>
291         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
292         (GTM::gtm_thread::try_commit): Changed memory order.
293         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
294         as parameter.
295         * config/linux/x86/futex_bits.h (sys_futex0): Same.
296         * config/linux/sh/futex_bits.h (sys_futex0): Same.
297         * config/linux/futex_bits.h (sys_futex0): Same.
298         * config/linux/futex.cc (futex_wait, futex_wake): Same.
299         * config/linux/futex.h (futex_wait, futex_wake): Same.
300         * config/linux/rwlock.h (gtm_rwlock::writers,
301         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
302         ints.
303         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
304         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
305         gtm_rwlock::write_unlock): Fix memory orders and fences.
306         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
307         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
308         gtm_rwlock::write_unlock): Same.
309         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
310         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
311         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
312         Add comments.
313         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
314         gl_wt_dispatch::load, gl_wt_dispatch::store,
315         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
316         orders and fences.  Add comments.
318 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
320         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
321         * Makefile.in: Regenerated.
323 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
325         * configure.tgt: Add sh* case.
326         * config/sh/target.h: New file.
327         * config/sh/sjlj.S: New file.
328         * config/linux/sh/futex_bits.h: New file.
330 2011-12-14  Richard Henderson  <rth@redhat.com>
332         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
333         * config/arm/sjlj.S, config/arm/target.h: New files.
334         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
335         (cfi_rel_offset): New.
336         * config/linux/futex_bits.h: New file.
337         * config/linux/futex.cc: Include futex_bits.h here...
338         * config/linux/futex.h: ... not here.
339         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
340         * configure.ac (ARCH_AM): New conditional.
341         * Makefile.in, configure: Rebuild.
342         * configure.tgt: Handle ARM.
344 2011-12-13  Richard Henderson  <rth@redhat.com>
346         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
347         signed/unsigned comparison werror.
349         * local_atomic: New file.
350         * libitm_i.h: Include it.
351         (gtm_thread::shared_state): Use atomic template.
352         * beginend.cc (GTM::gtm_clock): Use atomic template.
353         (global_tid): Use atomic template if 64-bit atomics available.
354         (gtm_thread::gtm_thread): Update shared_state access.
355         (gtm_thread::trycommit): Likewise.
356         (choose_code_path): Update global_tid access.
357         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
358         * stmlock.h (GTM::gtm_clock): Use atomic template.
359         (gtm_get_clock, gtm_inc_clock): Update accesses.
360         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
361         redundant __sync_synchronize after atomic shared_state access.
362         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
363         (gtm_rwlock::write_lock_generic): Likewise.
364         (gtm_rwlock::read_unlock): Likewise.
365         * config/alpha/target.h (atomic_read_barrier): Remove.
366         (atomic_write_barrier): Remove.
367         * config/x86/target.h (atomic_read_barrier): Remove.
368         (atomic_write_barrier): Remove.
370 2011-11-30  Richard Henderson  <rth@redhat.com>
372         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
373         * beginend.c (_ITM_abortTransaction): Update to match.
374         (GTM::gtm_thread::restart): Likewise.
375         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
376         * config/x86/sjlj.S (GTM_longjmp): Likewise.
378 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
380         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
381         * Makefile.in: Regenerate.
383 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
385         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
386         * alloc_cpp.cc: Generate dummy functions if we don't
387         HAVE_ELF_STYLE_WEAKREF.
388         * eh_cpp.cc: Likewise.
389         * configure: Regenerate.
390         * aclocal.m4:  Likewise.
391         * config.h.in: Likewise.
392         * Makefile.in: Likewise.
393         * testsuite/Makefile.in: Likewise.
395 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
397         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
398         __USER_LABEL_PREFIX__ for targets that use it.
399         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
400         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
401         in portability to non-elf targets.
402         (GTM_longjmp): Likewise.
403         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
404         where required.
406 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
408         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
409         * testsuite/libitm.c/memset-1.c: Likewise.
411 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
413         * configure: Regenerate.
415 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
417         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
418         (LIBITM_ENABLE_SYMVERS): Handle sun style.
419         * Makefile.am: Handle sun style versioning.
420         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
421         * configure: Regenerate.
422         * Makefile.in: Regenerate.
424 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
426         * config/generic/asmcfi.h: Fix comment.
427         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
428         sequence without .hidden support, error for non-ELF targets.
429         (GTM_longjmp) [__ELF__]: Only use .hidden if
430         HAVE_ATTRIBUTE_VISIBILITY.
432 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
434         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
435         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
436         Dummy functions.
437         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
438         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
440 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
442         PR bootstrap/51098
443         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
444         * configure: Regenerate.
446 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
448         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
450 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
452         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
453         .hidden.
454         (.note.GNU-stack): Only use if __linux__.
455         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
456         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
457         * testsuite/libitm.c/reentrant.c: Likewise.
458         * testsuite/libitm.c/simple-2.c: Likewise.
459         * testsuite/libitm.c/txrelease.c: Likewise.
460         * testsuite/libitm.c++/static_ctor.C: Likewise.
462 2011-11-10  Richard Henderson  <rth@redhat.com>
464         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
465         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
466         * configure.ac (ARCH_X86_AVX): New conditional.
467         * Makefile.in, configure: Rebuild.
469 2011-11-09  Richard Henderson  <rth@redhat.com>
471         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
472         * configure.ac: Use it.
473         * config.h.in, configure: Rebuild.
474         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
476 2011-11-09  Richard Henderson  <rth@redhat.com>
478         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
479         * config/alpha/unaligned.h: Remove file.
480         * config/generic/unaligned.h: Remove file.
481         * config/x86/unaligned.h: Remove file.
482         * config/generic/cachepage.h: Remove file.
483         * config/posix/cachepage.cc: Remove file.
484         * config/generic/cacheline.cc: Remove file.
485         * config/x86/cacheline.cc: Remove file.
486         * config/generic/cacheline.h (gtm_cacheline): Remove the
487         store_mask, copy_mask, copy_mask_wb methods.
488         * config/x86/cacheline.h: Likewise.
489         * config/alpha/cacheline.h: Fall back to generic after setting size.
490         * config/generic/tls.cc (gtm_mask_stack): Remove.
491         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
492         (GTM_vpalignr_table): Remove.
493         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
494         (GTM_pshift_table): Remove.
495         * config/libitm_i.h: Don't include cachepage.h.
496         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
497         * Makefile.in, testsuite/Makefile.in: Rebuild.
499 2011-11-09  Richard Henderson  <rth@redhat.com>
501         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
502         to emit branch prediction hint.
504         * config/x86/sjlj.S: Protect elf directives with __ELF__.
505         Protect .note.GNU-stack with __linux__.
507         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
508         * configure, aclocal.m4, config.h.in: Rebuild.
509         * config/generic/asmcfi.h: New file.
510         * config/x86/sjlj.S: Use it.
512 2011-11-08  Richard Henderson  <rth@redhat.com>
514         * local.cc (_ITM_LB): Use a normal call, not a function alias.
516 2011-11-08  Richard Henderson  <rth@redhat.com>
518         * configure.tgt: Test correct directory for supported cpus.
520         * configure.ac: Exit if unsupported.
521         * configure: Rebuild.
522         * configure.tgt: Delete boilerplate from libgomp for unsupported
523         targets.  Set UNSUPPORTED for unsupported targets.
525 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
527         * configure.tgt: Handle i386 like i[456]86.
528         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
529         take address.
530         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
531         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
533 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
535         * method-wbetl.cc: Update copyright notice.
536         * aatree.cc: Same.
537         * util.cc: Same.
538         * libitm.h: Same.
539         * memset.cc: Same.
540         * eh_cpp.cc: Same.
541         * barrier.tpl: Same.
542         * useraction.cc: Same.
543         * stmlock.h: Same.
544         * memcpy.cc: Same.
545         * common.h: Same.
546         * config/generic/tls.cc: Same.
547         * config/generic/cacheline.h: Same.
548         * config/generic/cachepage.h: Same.
549         * config/generic/cacheline.cc: Same.
550         * config/generic/unaligned.h: Same.
551         * config/x86/cacheline.h: Same.
552         * config/x86/cacheline.cc: Same.
553         * config/x86/unaligned.h: Same.
554         * config/alpha/cacheline.h: Same.
555         * config/alpha/unaligned.h: Same.
556         * config/alpha/sjlj.S: Same.
557         * config/posix/cachepage.cc: Same.
558         * config/linux/futex.h: Same.
559         * config/linux/alpha/futex_bits.h: Same.
561 2011-11-04  Torvald Riegel  <triegel@redhat.com>
563         * libitm.texi: No cover text and invariant sections.
565 2011-11-03  Richard Henderson  <rth@redhat.com>
567         * local_type_traits: New file.
568         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
570 2011-11-03  Richard Henderson  <rth@redhat.com>
572         * configure.ac: Don't test for gfortran.
573         * configure: Rebuild.
575         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
576         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
578 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
580         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
581         * testsuite/libitm.c/memset-1.c: Same.
582         * testsuite/libitm.c/c.exp: Same.
583         * testsuite/lib/libitm-dg.exp: Same.
584         * testsuite/lib/libitm.exp: Same.
585         * testsuite/libitm.c++/c++.exp: Same.
587 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
589         * testsuite/config/default.exp: Update copyright date.
590         * configure.ac: Add copyright info.
591         * configure.tgt: Same.
593 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
595         * testsuite/libitm.c/reentrant.c: XFAIL.
596         * testsuite/libitm.c++/static_ctor.C: XFAIL.
598 2011-10-29  Torvald Riegel  <triegel@redhat.com>
600         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
601         handle aborts.
602         (_ITM_abortTransaction): Handle aborts of outer transactions.
603         * libitm_i.h: Same.
604         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
605         * libitm.texi: Document aborts of outer transactions.
606         * testsuite/libitm.c/cancel.c: New file.
608 2011-10-19  Torvald Riegel  <triegel@redhat.com>
610         * testsuite/*: Change __transaction to __transaction_atomic or
611         __transaction_relaxed.
613 2011-10-19  Torvald Riegel  <triegel@redhat.com>
615         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
616         (gtm_thr): Same.
618 2011-10-19  Torvald Riegel  <triegel@redhat.com>
620         * libitm_i.h: Add gl_wt dispatch.
621         * retry.cc (parse_default_method): Same.
622         * method-gl.cc: New file.
623         * Makefile.am: Use method-gl.cc.
624         * Makefile.in: Rebuild.
626 2011-10-19  Torvald Riegel  <triegel@redhat.com>
628         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
629         safety if requested by a TM method.
630         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
631         privatization safety.
632         * method-serial.cc: Same.
634 2011-10-19  Torvald Riegel  <triegel@redhat.com>
636         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
637         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
638         undolog-related member functions from *_local to *_undolog.
639         * local.cc (gtm_thread::commit_undolog): Same.
640         * beginend.cc (GTM::gtm_thread::trycommit): Same.
641         (GTM::gtm_thread::rollback): Roll back undolog before
642         dispatch-specific rollback.
644 2011-10-19  Torvald Riegel  <triegel@redhat.com>
646         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
647         re-initialization of the current method group.
648         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
650 2011-10-19  Torvald Riegel  <triegel@redhat.com>
652         * alloc.cc (commit_allocations_2): Do not free transaction-local
653         memory when committing a nested transaction.
655 2011-10-19  Torvald Riegel  <triegel@redhat.com>
657         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
658         serial-irrevocable dispatch, not serial.
660 2011-10-19  Torvald Riegel  <triegel@redhat.com>
662         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
663         declarations.
664         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
665         * method-serial.cc: Implement begin_or_restart().
666         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
667         dispatch-specific begin_or_restart().
668         (GTM::gtm_thread::restart): Same.
670 2011-08-23  Torvald Riegel  <triegel@redhat.com>
672         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
673         restarting without switching to serial mode.
674         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
675         transaction state. Choose closed-nesting alternative if available.
676         (GTM::gtm_thread::set_default_dispatch): New.
677         (parse_default_method): New.
678         (GTM::gtm_thread::number_of_threads_changed): New.
679         * method-serial.cc (GTM::serial_mg): New method group class.
680         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
681         fini.
682         (GTM::serial_dispatch): Same.
683         (GTM::serialirr_onwrite_dispatch): Same.
684         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
685         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
686         registered threads.
687         (GTM::gtm_thread::gtm_thread): Same.
688         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
689         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
690         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
691         choose dispatch but set state according to dispatch here.
692         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
693         (GTM::method_group): New class.
694         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
695         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
696         * libitm.texi: Document TM methods, method groups, method life cycle.
697         Rename method sets to method groups.
699 2011-08-23  Torvald Riegel  <triegel@redhat.com>
701         * config/x86/tls.h: Moved to ...
702         * config/linux/x86/tls.h: ... here.
704 2011-08-23  Torvald Riegel  <triegel@redhat.com>
706         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
707         Add X32 support.
708         * config/x86/sjlj.S: Same.
710 2011-08-19  Torvald Riegel  <triegel@redhat.com>
712         * config/linux/rwlock.h: New file.
713         * config/linux/rwlock.c: New file.
714         * configure.ac: Reenable futex support (undo SVN rev 157758).
715         * Makefile.am: Same.
716         * configure.tgt: Same.
717         * config/linux/alpha/futex_bits.h: Same.
718         * config/linux/futex.h: Same. Return number of woken processes.
719         * config/linux/futex.cc: Same.
720         (futex_wait): Remove spinning.
721         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
722         Use __x86_64__ instead of __LP64__.
723         * aclocal.m4: Include generic futex checks.
724         * configure: Rebuild.
725         * Makefile.in: Rebuild.
726         * testsuite/Makefile.in: Rebuild.
727         * beginend.cc: Include pthread.h.
728         * config/posix/cachepage.cc: Same.
730 2011-08-12  Torvald Riegel  <triegel@redhat.com>
732         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
733         (abi_disp, set_abi_disp): Move to tx's TLS slot.
734         (set_gtm_thr): New.
735         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
736         (set_gtm_thr): New.
737         (GTM::gtm_thread::thread_num): Removed.
738         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
739         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
740         tx-to-thread renaming.
741         * beginend.cc: Adapted to tx-to-thread renaming.
742         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
743         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
744         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
745         gtm_transaction to gtm_thread.
746         (_ITM_getThreadnum): Removed. Not supported anymore.
747         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
748         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
749         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
750         gtm_tx-to-gtm_thr renaming if necessary.
751         * eh_cpp.cc: Same.
752         * local.cc: Same.
753         * retry.cc: Same.
754         * clone.cc: Same.
755         * alloc.cc: Same.
756         * alloc_c.cc: Same.
757         * alloc_cpp.cc: Same.
758         * method-serial.cc: Same.
759         * config/generic/tls.cc: Same.
760         * config/posix/rwlock.h (gtm_rwlock): Same.
761         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
763 2011-08-12  Torvald Riegel  <triegel@redhat.com>
765         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
766         implementation.
767         (gtm_rwlock::read_unlock): Same.
768         (gtm_rwlock::write_lock_generic): New. Generalized from ...
769         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
770         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
771         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
772         w_upgrade. Replaced by per-transaction flags (in shared_state).
773         Added c_confirmed_writers.
774         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
775         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
776         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
777         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
778         * beginend.cc (GTM::gtm_transaction::begin_transaction,
779         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
780         * libitm.texi: Document locking conventions and implementations in
781         libitm.
783 2011-08-12  Torvald Riegel  <triegel@redhat.com>
785         * libitm_i.h (next_tx): Add list of all threads' transaction.
786         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
787         transaction with list of transactions and ...
788         (thread_exit_handler): ... deregister here.
789         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
790         * config/x86/target.h: Same.
792 2011-08-12  Torvald Riegel  <triegel@redhat.com>
794         * testsuite/libitm.c++/static_ctor.C: New file.
796 2011-08-12  Torvald Riegel  <triegel@redhat.com>
798         * testsuite/libitm.c/reentrant.c: New file.
800 2011-08-12  Torvald Riegel  <triegel@redhat.com>
802         * config/generic/tls.h: Remove the free list for transactions and ...
803         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
804         (GTM::gtm_transaction::operator delete): ... and release here.
805         (thread_exit_handler): New. Delete tx when thread terminates.
806         (thread_exit_init): New.
807         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
808         * testsuite/libitm.c/txrelease.c: New file.
810 2011-08-12  Torvald Riegel  <triegel@redhat.com>
812         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
813         * testsuite/libitm.c/notx.c: New file.
815 2011-08-12  Torvald Riegel  <triegel@redhat.com>
817         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
818         * libitm_i.h (local_tid): ... to here.
819         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
820         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
822 2011-08-12  Torvald Riegel  <triegel@redhat.com>
824         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
825         serialirr_onwrite_dispatch as new default for now.
826         * method-serial.cc (serialirr_onwrite_dispatch): New.
827         (GTM::dispatch_serialirr_onwrite): New.
828         * libitm_i.h: Same.
830 2011-08-12  Torvald Riegel  <triegel@redhat.com>
832         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
833         * query.cc (_ITM_getTransactionId): There is no active transaction if
834         the current nesting level is zero.
836 2011-07-28  Torvald Riegel  <triegel@redhat.com>
838         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
839         rollback.
841 2011-07-28  Torvald Riegel  <triegel@redhat.com>
843         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
844         transaction properties from the caller instead of from the
845         transaction object.
846         * libitm_i.h: Same.
847         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
849 2011-07-28  Torvald Riegel  <triegel@redhat.com>
851         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
852         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
853         * dispatch.h: Same.
854         * method-serial.cc: Same.
855         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
856         flat nesting as default, and closed nesting on demand.
857         (GTM::gtm_transaction::rollback): Same.
858         (_ITM_abortTransaction): Same.
859         (GTM::gtm_transaction::restart): Same.
860         (GTM::gtm_transaction::trycommit): Same.
861         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
862         (choose_code_path): New.
863         (GTM::gtm_transaction_cp::save): New.
864         (GTM::gtm_transaction_cp::commit): New.
865         * query.cc (_ITM_inTransaction): Support flat nesting.
866         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
867         (GTM::gtm_transaction): Support flat and closed nesting.
868         * alloc.cc (commit_allocations_2): New.
869         (commit_cb_data): New helper struct.
870         (GTM::gtm_transaction::commit_allocations): Handle nested
871         commits/rollbacks.
872         * libitm.texi: Update user action section, add description of nesting.
874 2011-07-28  Torvald Riegel  <triegel@redhat.com>
876         * libitm_i.h: Add closed nesting as restart reason.
877         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
879 2011-07-28  Torvald Riegel  <triegel@redhat.com>
881         * useraction.cc: Use vector instead of list to store actions.
882         Also support partial rollbacks for closed nesting.
883         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
884         * beginend.cc: Same.
886 2011-07-28  Torvald Riegel  <triegel@redhat.com>
888         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
889         closed_nesting flags, as well as a closed nesting alternative.
890         * method-serial.cc: Same.
891         (serial_dispatch): Renamed to serialirr_dispatch.
892         (GTM::dispatch_serialirr): Same.
893         (serial_dispatch_ul): Renamed to serial_dispatch.
894         (GTM::dispatch_serial): Same.
896 2011-07-28  Torvald Riegel  <triegel@redhat.com>
898         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
900 2011-07-28  Torvald Riegel  <triegel@redhat.com>
902         * aatree.h (aa_tree::remove): New.
903         (aa_tree::operator new): Add placement new.
905 2011-07-02  Torvald Riegel  <triegel@redhat.com>
907         * containers.h: New file.
908         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
909         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
910         * common.h: ... to here.
911         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
912         * local.cc: Same.
914 2011-06-30  Torvald Riegel  <triegel@redhat.com>
916         * libitm_i.h (STATE_ABORTING): Remove.
917         * beginend.cc (_ITM_abortTransaction): Same.
918         (GTM::gtm_transaction::trycommit_and_finalize): Same.
919         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
920         (_ITM_rollbackTransaction): Remove.
921         * beginend.cc: Same.
922         * libitm.map: Same.
923         * libitm.texi: Document these ABI changes.
925 2011-06-30  Torvald Riegel  <triegel@redhat.com>
927         * libitm.texi: New file.
928         * Makefile.am: Add libitm.texi.
929         * Makefile.in: Rebuild.
931 2011-06-30  Torvald Riegel  <triegel@redhat.com>
933         * libitm_i.h: Move parts to common.h and dispatch.h.
934         * common.h: New file.
935         * dispatch.h: New file, new dispatch class.
936         Rename GTM::abi_dispatch::lock_type to ls_modifier.
937         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
938         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
939         decision to retry.cc.
940         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
941         only.
942         (GTM::gtm_transaction::decide_begin_dispatch): Same.
943         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
944         logging.
945         * barrier.cc: Use new barriers definitions.
946         (abi_dispatch::memmove_overlap_check): New.
947         * config/x86/x86_sse.cc: Same.
948         * config/x86/x86_avx.cc: Same.
949         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
950         memcpy.cc.
951         * Makefile.in: Rebuild.
952         * method-readonly.cc: Remove.
953         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
954         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
956 2011-06-30  Torvald Riegel  <triegel@redhat.com>
958         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
959         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
960         * testsuite/libitm.c/dropref-2.c: Same.
961         * testsuite/libitm.c/dropref.c: Same.
963 2011-06-30  Torvald Riegel  <triegel@redhat.com>
965         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
966         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
967         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
968         * alloc_c.cc: Same.
969         * barrier.tpl: Same.
970         * beginend.c: Same.
971         * config/generic/tls.h: Same.
972         * config/x86/tls.h: Same.
973         * libitm_i.h: Same.
974         * memcpy.cc: Same.
975         * memset.cc: Same.
976         * method-readonly.cc: Same.
977         * method-serial.cc: Same.
978         * method-wbetl.cc: Same.
979         * retry.cc: Same.
981 2011-03-03  Richard Henderson  <rth@redhat.com>
983         * config/posix/rwlock.cc (write_upgrade): Add missing case.
984         From Patrik Marlier <patrick.marlier@unine.ch>.
986 2011-02-03  Richard Henderson  <rth@redhat.com>
988         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
989         * configure.ac: Use it.
990         * configure, config.h.in: Rebuild.
991         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
992         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
993         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
994         * libitm.map: Use wildcards to match size_t mangling.
996 2010-12-14  Richard Henderson  <rth@redhat.com>
998         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
999         blocks of TIDs per thread.
1000         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1001         (setup_gtm_thr): Return the thread structure.
1002         * config/x86/tls.h (setup_gtm_thr): Likewise.
1004 2010-12-14  Richard Henderson  <rth@redhat.com>
1006         * clone.cc (table_lock): Remove.
1007         (find_clone): Don't take it.
1008         (ExcludeTransaction): New helper class.
1009         (_ITM_registerTMCloneTable): Use it.
1010         (_ITM_deregisterTMCloneTable): Likewise.
1012 2010-12-14  Richard Henderson  <rth@redhat.com>
1014         * config/x86/tls.h: New file.
1016 2010-07-15  Richard Henderson  <rth@redhat.com>
1018         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1019         * Makefile.in: Rebuild.
1021 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1023         * method-wbetl.cc (trydropreference): Fix source line.
1025 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1027         * libitm.h: Add comment.
1028         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1030 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1032         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1033         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1034         available, use pthread mutexes.
1035         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1036         * config.h.in: Regenerate.
1037         * configure: Regenerate.
1039 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1041         * libitm.h (ITM_PURE): Define.
1042         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1044 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1046         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1047         (validate): Add comment.
1048         (trydropreference): New.
1049         * method-readonly.cc (class readonly_dispatch): Add
1050         trydropreference.
1051         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1052         Call trydropreference().
1053         * libitm.h (_ITM_dropReferences): Remove const attribute.
1054         * method-serial.cc (class serial_dispatch): Add trydropreference.
1055         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1057 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1059         * memcpy.cc (do_memcpy): Comment.
1061 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1063         * barrier.tpl: Add comments throughout.
1065 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1067         * method-wbetl.cc (struct w_entry): Add comments.
1068         (trycommit): Same.
1069         (rollback): Same.
1071 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1073         * alloc_c.cc (_ITM_dropReferences): New.
1074         * libitm.map (_ITM_dropReferences): Add.
1075         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1076         * libitm_i.h (struct gtm_transaction): Declare
1077         drop_references_allocations and drop_references_local.
1078         * local.cc (rollback_local): Ignore memory when applicable.
1079         (drop_references_local): New.
1081 2010-06-23  Richard Henderson  <rth@redhat.com>
1083         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1084         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1085         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1086         * config/alpha/target.h: Likewise.
1087         * config/generic/tls.cc (gtm_mask_stack): Use it.
1089 2010-06-23  Richard Henderson  <rth@redhat.com>
1091         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1092         a mutex instead of trying a lock-free compare-and-swap on the list.
1093         (gtm_cacheline_page::operator delete): Likewise.
1095 2010-06-16  Richard Henderson  <rth@redhat.com>
1097         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1098         that overlap the libitm stack.
1099         * barrier.tpl: Mark incoming stack.
1100         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1101         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1102         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1103         * memcpy.cc, memset.cc: Likewise.
1104         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1105         * config/generic/tls.h (gtm_thread): Add stack_top member.
1106         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1107         * libitm_i.h (gtm_mask_stack): Declare.
1108         * config/generic/tls.cc: New file.
1109         * Makefile.am (libitm_la_SOURCES): Add it.
1110         (AM_CXXFLAGS): Turn off exceptions.
1111         * Makefile.in: Rebuild.
1113 2010-06-16  Richard Henderson  <rth@redhat.com>
1115         * alloc.cc (struct gtm_alloc_action): Move definition ...
1116         * libitm_i.h: ... here.
1117         (class gtm_transaction): Declare new and delete.
1118         * beginend.cc (alloc_tx): Reformulate as operator new.
1119         (free_tx): Reformulate as operator delete.
1120         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1122 2010-06-11  Richard Henderson  <rth@redhat.com>
1124         * clone.cc (clone_entry_compare): Fix typo.
1125         From Patrik Marlier <patrick.marlier@unine.ch>.
1127 2010-05-13  Richard Henderson  <rth@redhat.com>
1129         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1130         in extern "C".
1132 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1134         * libitm_i.h (struct gtm_transaction): Remove
1135         get_allocation_size.
1136         (record_allocation): Remove size parameter.
1137         * libitm.map (_ITM_realloc): Remove.
1138         * alloc_c.cc (_ITM_realloc): Remove.
1139         (_ITM_malloc): Remove size argument to record_allocation.
1140         (_ITM_calloc): Same.
1141         * alloc_cpp.cc (_ZGTtnwm): Same.
1142         (_ZGTtnwmRKSt9nothrow_t): Same.
1143         (_ZGTtnam): Same.
1144         (_ZGTtnamRKSt9nothrow_t): Same.
1145         * alloc.cc (struct gtm_alloc_action): Remove size.
1146         (get_allocation_size): Remove.
1147         (commit_allocations): Add comment.
1148         (record_allocation): Remove size parameter.
1149         (forget_allocation): Remove set of size.
1151 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1153         * Makefile.am (abi_version): New.
1154         (AM_CXXFLAGS): Pass abi_version.
1155         * Makefile.in: Regenerate.
1156         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1158 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1160         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1161         _ITM_getTMCloneOrIrrevokable.
1162         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1163         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1165 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1167         * configure.ac: Remove Linux futex support.
1168         * configure.tgt (config_path): Same.
1169         * Makefile.am: Same.
1170         * config/linux: Remove entire directory.
1171         * configure: Rebuild.
1172         * Makefile.in: Rebuild.
1173         * testsuite/Makefile.in: Rebuild.
1175 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1177         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1178         switching to serial mode.
1179         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1181 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1183         * configure.tgt: Add emacs -*- tags.
1184         * barrier.tpl: Same.
1186 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1188         * Makefile.am: Rename serial.cc to method-serial.cc.
1189         * Makefile.in: Regenerate with automake 1.11.1.
1190         * testsuite/Makefile.in: Same.
1191         * aclocal.m4: Regenerate with aclocal 1.11.1.
1192         * method-serial.cc: Rename from serial.cc.
1193         * libitm_i.h (struct gtm_transaction): Update comment on
1194         serialirr_mode.
1196 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1198         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1199         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1201 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1203         * configure: Rebuild.
1205 2009-11-12  Richard Henderson  <rth@redhat.com>
1207         * Rewrite everything in C++.
1209 2009-11-03  Richard Henderson  <rth@redhat.com>
1211         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1212         * Makefile.am (libitm_la_SOURCES): Add them.
1213         * configure.ac (ARCH_X86): New conditional.
1214         * Makefile.in, configure: Rebuild.
1215         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1216         Move futex setup into "other system configury" case.
1217         * local.c (rollback_local): Merge into ...
1218         (GTM_rollback_local): ... here.
1219         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1220         (_ITM_LB): Define as an alias to GTM_LB.
1222 2009-11-03  Richard Henderson  <rth@redhat.com>
1224         * method-readonly.c: New file.
1225         * Makefile.am (libitm_la_SOURCES): Add it.
1226         * Makefile.in: Rebuild.
1227         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1228         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1229         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1230         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1231         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1232         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1233         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1234         gtm_get_clock, gtm_inc_clock): New.
1235         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1236         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1237         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1238         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1239         replace uses with new libitm_i.h symbols.
1240         (dispatch_wbetl): Rename from wbetl_dispatch.
1241         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1242         away from dispatch_readonly; abort if the beginTransaction call
1243         asserted that the transaction was readonly.
1245 2009-11-03  Richard Henderson  <rth@redhat.com>
1247         * memset.c: New file.
1248         * Makefile.am (libitm_la_SOURCES): Add it.
1249         * Makefile.in: Rebuild.
1250         * testsuite/libitm.c/memset-1.c: New.
1252 2009-11-03  Richard Henderson  <rth@redhat.com>
1254         * dispatch.c: Remove file.
1255         * useraction.c (struct gtm_user_action): Move from libitm.h.
1256         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1257         (serial_memset, serial_memmove, serial_memcpy): Remove.
1258         (serial_W*, serial_R*): Remove.
1259         (serial_dispatch): Update to match.
1260         * configure.ac: Move Werror down below configure checks.  Don't
1261         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1262         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1263         Use GCC_AC_FUNC_MMAP_BLACKLIST
1264         * libitm.h: Split out all internal items to...
1265         * libitm_i.h: ... here.  New file.
1266         * copymask.c: New file.
1267         * local.c (struct gtm_local_undo): Move from libitm.h.
1268         (GTM_alloc_local): Rename from alloc_local; export.
1269         * memcpy.c: New file.
1270         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1271         * config/posix/page.c: New file.
1272         * config/posix/target_tls.h: Remove file.
1273         * barrier.c: New file.
1274         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1275         copymask.c, page.c.
1276         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1277         * method-wbetl.c: Rewrite for new cacheline methods.
1278         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1280         * config/alpha/sjlj.S: Fix typo.
1281         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1282         * config/alpha/copymask.c: New file.
1283         * config/alpha/target.h (CACHELINE_SIZE): New.
1284         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1286         * config/x86/target_i.h: Copy functions from x86/target.h.
1287         * config/x86/copymask.c: New file.
1288         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1289         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1290         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1291         * config/x86/target_tls.h: Move contents to target_i.h.
1293         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1294         * testsuite/libitm.c/memcpy-1.c: New.
1296 2009-10-22  Richard Henderson  <rth@redhat.com>
1298         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1299         (AM_CCASFLAGS): New.
1300         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1301         saving/restoring _AC_ARG_VAR_PRECIOUS.
1302         * Makefile.in, aclocal.m4, config.h.in, configure,
1303         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1305 2009-10-22  Richard Henderson  <rth@redhat.com>
1307         * testsuite/*: Update for new compiler syntax.
1309 2009-10-21  Richard Henderson  <rth@redhat.com>
1311         * libitm.h (_ITM_abortReason): Add outerAbort.
1313 2009-08-03  Richard Henderson  <rth@redhat.com>
1315         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1316         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1317         * method-wbetl.c (struct w_entry): Remove mask.
1318         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1319         adjust all callers.
1321 2009-07-22  Richard Henderson  <rth@redhat.com>
1323         * eh_cpp.c: New file.
1324         * Makefile.am (libitm_la_SOURCES): Add it.
1325         * Makefile.in: Rebuild.
1326         * beginend.c (GTM_rollback_transaction): Undo exception state.
1327         (GTM_trycommit_transaction): Mark inline.
1328         (GTM_trycommit_and_finalize_transaction): Split out from ...
1329         (_ITM_commitTransaction): ... here.
1330         (_ITM_commitTransactionEH): New function.
1331         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1332         cxa_unthrown, eh_in_flight; reorder.
1334         * testsuite/libitm.c++/c++.exp: New.
1335         * testsuite/libitm.c++/eh-1.C: New.
1337         * aatree.c (aa_free): Remove REGPARM.
1338         * aatree.h: Remove all REGPARM.
1340 2009-07-18  Richard Henderson  <rth@redhat.com>
1342         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1343         * Makefile.am (libitm_la_SOURCES): Add them.
1344         * Makefile.in: Rebuild.
1345         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1346         (GTM_trycommit_transaction): Likewise.
1347         * libitm.h: Include aatree.h
1348         (struct gtm_alloc_action): New.
1349         (struct gtm_transaction): Add alloc_actions.
1350         (GTM_record_allocation, GTM_forget_allocation): Declare.
1351         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1352         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1353         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1354         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1355         _ZGTtdaPvRKSt9nothrow_t): Export.
1357 2009-07-18  Richard Henderson  <rth@redhat.com>
1359         * target_tls.h: Move ...
1360         * config/posix/target_tls.h: ... here.
1362 2009-07-07  Richard Henderson  <rth@redhat.com>
1364         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1366 2009-07-07  Richard Henderson  <rth@redhat.com>
1368         * Update to GPL3.
1370 2009-07-07  Richard Henderson  <rth@redhat.com>
1372         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1373         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1375         * configure.tgt: Don't use -ftls-model for x86 linux.
1376         * libitm.h: Include target.h after standard includes.
1377         (_gtm_thr): Rename from gtm_thr.
1378         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1379         (gtm_disp, set_gtm_disp): New.
1380         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1381         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1382         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1384 2009-07-07  Richard Henderson  <rth@redhat.com>
1386         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1388 2009-07-06  Richard Henderson  <rth@redhat.com>
1390         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1391         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1392         (_ITM_beginTransaction): Take variadic arguments.
1393         (_ITM_registerThrownObject): Declare.
1394         * beginend.c, serial.c: Update.
1395         * libitm.map: Add _ITM_registerThrownObject.
1397 2009-01-28  Richard Henderson  <rth@redhat.com>
1399         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1400         * Makefile.in: Rebuild.
1401         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1402         (GTM_restart_transaction): Fix uninstrumented code check.
1403         * retry.c (GTM_decide_retry_strategy): Add serial check.
1404         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1405         automatically go irrevokable when in serial mode.
1406         * clone.c: New file.
1407         * libitm.h, libitm.map: Update.
1409 2009-01-27  Richard Henderson  <rth@redhat.com>
1411         * Makefile.am (LTCCASCOMPILE): Define.
1412         (libitm_la_SOURCES): Add methid-wbetl.c.
1413         * testsuite/Makefile.am: New
1414         * configure.ac: Add testsuite/Makefile.
1415         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1416         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1417         (_ITM_abortTransaction): Finalize implementation method; pass
1418         transaction properties to longjmp.
1419         (GTM_restart_transaction): Split out from ...
1420         (_ITM_commitTransaction): ... here.
1421         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1422         Move to config/x86/target.h.
1423         * config/linux/alpha/futex_bits.h: New.
1424         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1425         * config/x86/target.h: Disable target types for 32-bit.
1426         * config/alpha/sjlj.S, config/alpha/target.h: New.
1427         * libitm.h (struct gtm_dispatch): Add init, fini.
1428         (enum restart_reason): New.
1429         (struct gtm_transaction): Add method and restarts.
1430         * retry.c (GTM_decide_retry_strategy): Implement.
1431         * serial.c (serial_init, serial_fini): New.
1432         (GTM_serialmode): Finialize outgoing method.
1433         * method-wbetl.c: New.
1435 2008-12-09  Richard Henderson  <rth@redhat.com>
1437         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1438         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1439         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1440         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1441         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1442         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1443         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1444         * serial.c (serial_R##T, serial_W##T): Likewise.
1446 2008-11-21  Richard Henderson  <rth@redhat.com>
1448         * Initial commit.