Remove extra blank line.
[official-gcc.git] / libitm / ChangeLog
blobee148b5cdf66feaec2ff0a9f68b8bf26241444ae
1 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
3         PR other/43620
4         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
5         * configure: Regenerate.
6         * Makefile.in: Regenerate.
8 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
10         * configure: Regenerated.
12 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
14         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
16 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
18         * eh_cpp.cc: Fix __cxa_end_catch declaration.
20 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
22         * configure: Regenerated.
24 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
26         PR libitm/52854
27         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
28         for x86-64.
30 2012-04-03  Tristan Gingold  <gingold@adacore.com>
32         * configure: Regenerate.
34 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
36         PR bootstrap/52812
37         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
39 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
41         * testsuite/lib/libitm.exp: load fortran-modules.exp
43 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
45         * configure.tgt (*-*-irix6*): Remove.
47 2012-03-13  Torvald Riegel  <triegel@redhat.com>
49         PR libitm/52526
50         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
51         wake-up.
53 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
55         * configure.tgt (*-*-osf*): Remove.
56         * configure: Regenerate.
58 2012-03-05  Torvald Riegel  <triegel@redhat.com>
60         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
61         memtransfer/memset if size isn't larger than zero.
63 2012-03-02  Torvald Riegel  <triegel@redhat.com>
65         * libitm.texi: Link to specification and add a usage example.
67 2012-02-24  Torvald Riegel  <triegel@redhat.com>
69         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
70         default dispatch for more than 1 thread to ml_wt.
72 2012-02-20  Torvald Riegel  <triegel@redhat.com>
74         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
76 2012-02-20  Torvald Riegel  <triegel@redhat.com>
78         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
80 2012-02-20  Torvald Riegel  <triegel@redhat.com>
82         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
83         serial mode corner cases made obsolete by prior gtm_rwlock changes.
84         (gl_wt_dispatch.rollback): Same.
86 2012-02-20  Torvald Riegel  <triegel@redhat.com>
88         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
90 2012-02-20  Torvald Riegel  <triegel@redhat.com>
92         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
93         for RfW src.  Optimize number of calls to gtm_thr.
95 2012-02-20  Torvald Riegel  <triegel@redhat.com>
97         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
98         acquisition to ...
99         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
100         (default_dispatch): Make atomic.
101         (GTM::gtm_thread::set_default_dispatch): Access atomically.
102         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
103         use decide_begin_dispatch() if default_dispatch might have changed.
104         (GTM::gtm_thread::number_of_threads_changed): Initialize
105         default_dispatch here.
107 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
108             Patrick Marlier  <patrick.marlier@gmail.com>
110         PR libitm/52220
111         * alloc_cpp.cc: No dummy definitions for darwin.
112         * eh_cpp.cc: Likewise.
114 2012-02-14  Richard Henderson  <rth@redhat.com>
116         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
118 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
120         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
122 2012-02-14  Torvald Riegel  <triegel@redhat.com>
124         * libitm_i.h (GTM::gtm_rwlog_entry): New.
125         (GTM::gtm_thread): Add read and write logs.
126         (GTM::dispatch_ml_wt): Declare.
127         * retry.cc (parse_default_method): Support ml_wt.
128         * method-ml.cc: New file.
129         * Makefile.am: Add method-ml.cc.
130         * Makefile.in: Regenerate.
132 2012-02-14  Torvald Riegel  <triegel@redhat.com>
134         * dispatch.h (GTM::abi_dispatch::supports): New.
135         (GTM::method_group::reinit): New.
136         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
137         (GTM::gtm_thread::number_of_threads_changed): Check that the method
138         supports the current situation.
140 2012-02-14  Torvald Riegel  <triegel@redhat.com>
142         * util.cc (GTM::xcalloc): New.
143         * common.h (GTM::xcalloc): Declare.
145 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
147         * config/sparc/target.h (cpu_relax): Read from CC register.
148         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
150 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
152         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
154 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
156         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
157         * config/sparc/cacheline.h: New file.
158         * config/sparc/target.h: Likewise.
159         * config/sparc/sjlj.S: Likewise.
160         * config/linux/sparc/futex_bits.h: Likewise.
162 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
164         * configure.ac (link_itm): Fix comment.
165         * configure: Regenerate.
166         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
168 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
170         PR libitm/51822
171         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
172         Correct libgomp references.
174 2012-01-24  Torvald Riegel  <triegel@redhat.com>
176         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
177         wake-up.
179 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
181         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
182         end of structure.
183         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
184         offset values.  Do not copy return address.  Decrement stack
185         by 56 bytes only.
186         (GTM_longjump) [__x86_64__]: Update offset values.
188 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
190         PR libitm/51830
191         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
192         the first function argument to %eax.
194 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
196         * libitm.h (_ITM_getThreadnum): Remove.
197         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
199 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
201         * clearcap.map: New file.
202         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
203         * configure.ac: Call it.
204         Clear HWCAP_LDFLAGS if defaulting to -mavx.
205         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
206         * configure: Regenerate.
207         * Makefile.in: Regenerate.
208         * testsuite/Makefile.in: Regenerate.
210 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
212         PR libitm/51173
213         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
214         include, exclude options.
216 2012-01-14  Torvald Riegel  <triegel@redhat.com>
218         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
219         rolling back.
220         * containers.h (GTM::vector::set_size): New.
222 2012-01-14  Torvald Riegel  <triegel@redhat.com>
224         PR libitm/51855
225         * config/generic/tls.h (GTM::mask_stack_top): New.
226         (GTM::mask_stack_bottom): Declare.
227         * config/generic/tls.c (GTM::mask_stack_bottom): New.
228         * local.cc (gtm_undolog::rollback): Filter out any updates that
229         overlap the libitm stack.  Add current transaction as parameter.
230         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
231         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
232         * testsuite/libitm.c/stackundo.c: New test.
234 2012-01-10  Richard Henderson  <rth@redhat.com>
236         * libitm_i.h (_Unwind_DeleteException): Declare weak.
237         * eh_cpp.cc (_Unwind_DeleteException): Define for
238         !HAVE_ELF_STYLE_WEAKREF.
240 2012-01-08  Torvald Riegel  <triegel@redhat.com>
242         * local.cc (GTM_LB): Use GTM::gtm_undolog.
243         (GTM::gtm_thread::drop_references_undolog): Remove.
244         (GTM::gtm_thread::commit_undolog,
245         GTM::gtm_thread::rollback_undolog): Move to ...
246         * libitm_i.h (GTM::gtm_undolog): ...here. New.
247         (GTM::gtm_undolog_entry): Remove.
248         (GTM::gtm_thread): Adapt.
249         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
250         (GTM::gtm_thread::trycommit): Adapt.
251         * method-serial.cc (serial_dispatch::log): Adapt.
252         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
253         (gl_wt_dispatch::store): Fix likely/unlikely.
254         * containers.h (GTM::vector::resize): Add additional_capacity
255         parameter and handle it.
256         (GTM::vector::resize_noinline): New/adapt.
257         (GTM::vector::push): New.
259 2012-01-06  Richard Henderson  <rth@redhat.com>
261         * configure.tgt: Support powerpc-linux and powerpc-darwin.
262         * config/linux/powerpc/futex_bits.h: New file.
263         * config/powerpc/cacheline.h: New file.
264         * config/powerpc/sjlj.S: New file.
265         * config/powerpc/target.h: New file.
266         * config/generic/asmcfi.h (cfi_offset): New.
267         (cfi_restore, cfi_undefined): New.
269 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
271         PR other/51171
272         * testsuite/libitm.c/reentrant.c: Remove xfail.
273         (thread): Pass x to pure().
274         From Patrik Marlier <patrick.marlier@gmail.com>.
276 2011-12-24  Torvald Riegel  <triegel@redhat.com>
278         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
279         privatization safety if already in serial mode.
281 2011-12-24  Torvald Riegel  <triegel@redhat.com>
283         * beginend.cc (GTM::gtm_thread::restart): Add and handle
284         finish_serial_upgrade parameter.
285         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
286         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
287         Don't unset reader flag.
288         (GTM::gtm_rwlock::write_upgrade_finish): New.
289         * config/posix/rwlock.cc: Same.
290         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
291         Declare.
292         * config/posix/rwlock.h: Same.
293         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
294         flag after commit or after rollback when restarting.
296 2011-12-24  Torvald Riegel  <triegel@redhat.com>
298         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
299         (GTM::gtm_thread::try_commit): Changed memory order.
300         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
301         as parameter.
302         * config/linux/x86/futex_bits.h (sys_futex0): Same.
303         * config/linux/sh/futex_bits.h (sys_futex0): Same.
304         * config/linux/futex_bits.h (sys_futex0): Same.
305         * config/linux/futex.cc (futex_wait, futex_wake): Same.
306         * config/linux/futex.h (futex_wait, futex_wake): Same.
307         * config/linux/rwlock.h (gtm_rwlock::writers,
308         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
309         ints.
310         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
311         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
312         gtm_rwlock::write_unlock): Fix memory orders and fences.
313         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
314         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
315         gtm_rwlock::write_unlock): Same.
316         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
317         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
318         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
319         Add comments.
320         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
321         gl_wt_dispatch::load, gl_wt_dispatch::store,
322         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
323         orders and fences.  Add comments.
325 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
327         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
328         * Makefile.in: Regenerated.
330 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
332         * configure.tgt: Add sh* case.
333         * config/sh/target.h: New file.
334         * config/sh/sjlj.S: New file.
335         * config/linux/sh/futex_bits.h: New file.
337 2011-12-14  Richard Henderson  <rth@redhat.com>
339         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
340         * config/arm/sjlj.S, config/arm/target.h: New files.
341         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
342         (cfi_rel_offset): New.
343         * config/linux/futex_bits.h: New file.
344         * config/linux/futex.cc: Include futex_bits.h here...
345         * config/linux/futex.h: ... not here.
346         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
347         * configure.ac (ARCH_AM): New conditional.
348         * Makefile.in, configure: Rebuild.
349         * configure.tgt: Handle ARM.
351 2011-12-13  Richard Henderson  <rth@redhat.com>
353         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
354         signed/unsigned comparison werror.
356         * local_atomic: New file.
357         * libitm_i.h: Include it.
358         (gtm_thread::shared_state): Use atomic template.
359         * beginend.cc (GTM::gtm_clock): Use atomic template.
360         (global_tid): Use atomic template if 64-bit atomics available.
361         (gtm_thread::gtm_thread): Update shared_state access.
362         (gtm_thread::trycommit): Likewise.
363         (choose_code_path): Update global_tid access.
364         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
365         * stmlock.h (GTM::gtm_clock): Use atomic template.
366         (gtm_get_clock, gtm_inc_clock): Update accesses.
367         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
368         redundant __sync_synchronize after atomic shared_state access.
369         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
370         (gtm_rwlock::write_lock_generic): Likewise.
371         (gtm_rwlock::read_unlock): Likewise.
372         * config/alpha/target.h (atomic_read_barrier): Remove.
373         (atomic_write_barrier): Remove.
374         * config/x86/target.h (atomic_read_barrier): Remove.
375         (atomic_write_barrier): Remove.
377 2011-11-30  Richard Henderson  <rth@redhat.com>
379         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
380         * beginend.c (_ITM_abortTransaction): Update to match.
381         (GTM::gtm_thread::restart): Likewise.
382         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
383         * config/x86/sjlj.S (GTM_longjmp): Likewise.
385 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
387         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
388         * Makefile.in: Regenerate.
390 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
392         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
393         * alloc_cpp.cc: Generate dummy functions if we don't
394         HAVE_ELF_STYLE_WEAKREF.
395         * eh_cpp.cc: Likewise.
396         * configure: Regenerate.
397         * aclocal.m4:  Likewise.
398         * config.h.in: Likewise.
399         * Makefile.in: Likewise.
400         * testsuite/Makefile.in: Likewise.
402 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
404         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
405         __USER_LABEL_PREFIX__ for targets that use it.
406         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
407         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
408         in portability to non-elf targets.
409         (GTM_longjmp): Likewise.
410         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
411         where required.
413 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
415         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
416         * testsuite/libitm.c/memset-1.c: Likewise.
418 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
420         * configure: Regenerate.
422 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
424         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
425         (LIBITM_ENABLE_SYMVERS): Handle sun style.
426         * Makefile.am: Handle sun style versioning.
427         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
428         * configure: Regenerate.
429         * Makefile.in: Regenerate.
431 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
433         * config/generic/asmcfi.h: Fix comment.
434         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
435         sequence without .hidden support, error for non-ELF targets.
436         (GTM_longjmp) [__ELF__]: Only use .hidden if
437         HAVE_ATTRIBUTE_VISIBILITY.
439 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
441         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
442         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
443         Dummy functions.
444         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
445         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
447 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
449         PR bootstrap/51098
450         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
451         * configure: Regenerate.
453 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
455         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
457 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
459         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
460         .hidden.
461         (.note.GNU-stack): Only use if __linux__.
462         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
463         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
464         * testsuite/libitm.c/reentrant.c: Likewise.
465         * testsuite/libitm.c/simple-2.c: Likewise.
466         * testsuite/libitm.c/txrelease.c: Likewise.
467         * testsuite/libitm.c++/static_ctor.C: Likewise.
469 2011-11-10  Richard Henderson  <rth@redhat.com>
471         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
472         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
473         * configure.ac (ARCH_X86_AVX): New conditional.
474         * Makefile.in, configure: Rebuild.
476 2011-11-09  Richard Henderson  <rth@redhat.com>
478         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
479         * configure.ac: Use it.
480         * config.h.in, configure: Rebuild.
481         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
483 2011-11-09  Richard Henderson  <rth@redhat.com>
485         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
486         * config/alpha/unaligned.h: Remove file.
487         * config/generic/unaligned.h: Remove file.
488         * config/x86/unaligned.h: Remove file.
489         * config/generic/cachepage.h: Remove file.
490         * config/posix/cachepage.cc: Remove file.
491         * config/generic/cacheline.cc: Remove file.
492         * config/x86/cacheline.cc: Remove file.
493         * config/generic/cacheline.h (gtm_cacheline): Remove the
494         store_mask, copy_mask, copy_mask_wb methods.
495         * config/x86/cacheline.h: Likewise.
496         * config/alpha/cacheline.h: Fall back to generic after setting size.
497         * config/generic/tls.cc (gtm_mask_stack): Remove.
498         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
499         (GTM_vpalignr_table): Remove.
500         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
501         (GTM_pshift_table): Remove.
502         * config/libitm_i.h: Don't include cachepage.h.
503         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
504         * Makefile.in, testsuite/Makefile.in: Rebuild.
506 2011-11-09  Richard Henderson  <rth@redhat.com>
508         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
509         to emit branch prediction hint.
511         * config/x86/sjlj.S: Protect elf directives with __ELF__.
512         Protect .note.GNU-stack with __linux__.
514         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
515         * configure, aclocal.m4, config.h.in: Rebuild.
516         * config/generic/asmcfi.h: New file.
517         * config/x86/sjlj.S: Use it.
519 2011-11-08  Richard Henderson  <rth@redhat.com>
521         * local.cc (_ITM_LB): Use a normal call, not a function alias.
523 2011-11-08  Richard Henderson  <rth@redhat.com>
525         * configure.tgt: Test correct directory for supported cpus.
527         * configure.ac: Exit if unsupported.
528         * configure: Rebuild.
529         * configure.tgt: Delete boilerplate from libgomp for unsupported
530         targets.  Set UNSUPPORTED for unsupported targets.
532 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
534         * configure.tgt: Handle i386 like i[456]86.
535         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
536         take address.
537         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
538         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
540 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
542         * method-wbetl.cc: Update copyright notice.
543         * aatree.cc: Same.
544         * util.cc: Same.
545         * libitm.h: Same.
546         * memset.cc: Same.
547         * eh_cpp.cc: Same.
548         * barrier.tpl: Same.
549         * useraction.cc: Same.
550         * stmlock.h: Same.
551         * memcpy.cc: Same.
552         * common.h: Same.
553         * config/generic/tls.cc: Same.
554         * config/generic/cacheline.h: Same.
555         * config/generic/cachepage.h: Same.
556         * config/generic/cacheline.cc: Same.
557         * config/generic/unaligned.h: Same.
558         * config/x86/cacheline.h: Same.
559         * config/x86/cacheline.cc: Same.
560         * config/x86/unaligned.h: Same.
561         * config/alpha/cacheline.h: Same.
562         * config/alpha/unaligned.h: Same.
563         * config/alpha/sjlj.S: Same.
564         * config/posix/cachepage.cc: Same.
565         * config/linux/futex.h: Same.
566         * config/linux/alpha/futex_bits.h: Same.
568 2011-11-04  Torvald Riegel  <triegel@redhat.com>
570         * libitm.texi: No cover text and invariant sections.
572 2011-11-03  Richard Henderson  <rth@redhat.com>
574         * local_type_traits: New file.
575         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
577 2011-11-03  Richard Henderson  <rth@redhat.com>
579         * configure.ac: Don't test for gfortran.
580         * configure: Rebuild.
582         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
583         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
585 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
587         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
588         * testsuite/libitm.c/memset-1.c: Same.
589         * testsuite/libitm.c/c.exp: Same.
590         * testsuite/lib/libitm-dg.exp: Same.
591         * testsuite/lib/libitm.exp: Same.
592         * testsuite/libitm.c++/c++.exp: Same.
594 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
596         * testsuite/config/default.exp: Update copyright date.
597         * configure.ac: Add copyright info.
598         * configure.tgt: Same.
600 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
602         * testsuite/libitm.c/reentrant.c: XFAIL.
603         * testsuite/libitm.c++/static_ctor.C: XFAIL.
605 2011-10-29  Torvald Riegel  <triegel@redhat.com>
607         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
608         handle aborts.
609         (_ITM_abortTransaction): Handle aborts of outer transactions.
610         * libitm_i.h: Same.
611         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
612         * libitm.texi: Document aborts of outer transactions.
613         * testsuite/libitm.c/cancel.c: New file.
615 2011-10-19  Torvald Riegel  <triegel@redhat.com>
617         * testsuite/*: Change __transaction to __transaction_atomic or
618         __transaction_relaxed.
620 2011-10-19  Torvald Riegel  <triegel@redhat.com>
622         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
623         (gtm_thr): Same.
625 2011-10-19  Torvald Riegel  <triegel@redhat.com>
627         * libitm_i.h: Add gl_wt dispatch.
628         * retry.cc (parse_default_method): Same.
629         * method-gl.cc: New file.
630         * Makefile.am: Use method-gl.cc.
631         * Makefile.in: Rebuild.
633 2011-10-19  Torvald Riegel  <triegel@redhat.com>
635         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
636         safety if requested by a TM method.
637         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
638         privatization safety.
639         * method-serial.cc: Same.
641 2011-10-19  Torvald Riegel  <triegel@redhat.com>
643         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
644         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
645         undolog-related member functions from *_local to *_undolog.
646         * local.cc (gtm_thread::commit_undolog): Same.
647         * beginend.cc (GTM::gtm_thread::trycommit): Same.
648         (GTM::gtm_thread::rollback): Roll back undolog before
649         dispatch-specific rollback.
651 2011-10-19  Torvald Riegel  <triegel@redhat.com>
653         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
654         re-initialization of the current method group.
655         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
657 2011-10-19  Torvald Riegel  <triegel@redhat.com>
659         * alloc.cc (commit_allocations_2): Do not free transaction-local
660         memory when committing a nested transaction.
662 2011-10-19  Torvald Riegel  <triegel@redhat.com>
664         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
665         serial-irrevocable dispatch, not serial.
667 2011-10-19  Torvald Riegel  <triegel@redhat.com>
669         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
670         declarations.
671         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
672         * method-serial.cc: Implement begin_or_restart().
673         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
674         dispatch-specific begin_or_restart().
675         (GTM::gtm_thread::restart): Same.
677 2011-08-23  Torvald Riegel  <triegel@redhat.com>
679         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
680         restarting without switching to serial mode.
681         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
682         transaction state. Choose closed-nesting alternative if available.
683         (GTM::gtm_thread::set_default_dispatch): New.
684         (parse_default_method): New.
685         (GTM::gtm_thread::number_of_threads_changed): New.
686         * method-serial.cc (GTM::serial_mg): New method group class.
687         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
688         fini.
689         (GTM::serial_dispatch): Same.
690         (GTM::serialirr_onwrite_dispatch): Same.
691         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
692         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
693         registered threads.
694         (GTM::gtm_thread::gtm_thread): Same.
695         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
696         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
697         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
698         choose dispatch but set state according to dispatch here.
699         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
700         (GTM::method_group): New class.
701         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
702         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
703         * libitm.texi: Document TM methods, method groups, method life cycle.
704         Rename method sets to method groups.
706 2011-08-23  Torvald Riegel  <triegel@redhat.com>
708         * config/x86/tls.h: Moved to ...
709         * config/linux/x86/tls.h: ... here.
711 2011-08-23  Torvald Riegel  <triegel@redhat.com>
713         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
714         Add X32 support.
715         * config/x86/sjlj.S: Same.
717 2011-08-19  Torvald Riegel  <triegel@redhat.com>
719         * config/linux/rwlock.h: New file.
720         * config/linux/rwlock.c: New file.
721         * configure.ac: Reenable futex support (undo SVN rev 157758).
722         * Makefile.am: Same.
723         * configure.tgt: Same.
724         * config/linux/alpha/futex_bits.h: Same.
725         * config/linux/futex.h: Same. Return number of woken processes.
726         * config/linux/futex.cc: Same.
727         (futex_wait): Remove spinning.
728         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
729         Use __x86_64__ instead of __LP64__.
730         * aclocal.m4: Include generic futex checks.
731         * configure: Rebuild.
732         * Makefile.in: Rebuild.
733         * testsuite/Makefile.in: Rebuild.
734         * beginend.cc: Include pthread.h.
735         * config/posix/cachepage.cc: Same.
737 2011-08-12  Torvald Riegel  <triegel@redhat.com>
739         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
740         (abi_disp, set_abi_disp): Move to tx's TLS slot.
741         (set_gtm_thr): New.
742         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
743         (set_gtm_thr): New.
744         (GTM::gtm_thread::thread_num): Removed.
745         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
746         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
747         tx-to-thread renaming.
748         * beginend.cc: Adapted to tx-to-thread renaming.
749         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
750         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
751         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
752         gtm_transaction to gtm_thread.
753         (_ITM_getThreadnum): Removed. Not supported anymore.
754         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
755         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
756         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
757         gtm_tx-to-gtm_thr renaming if necessary.
758         * eh_cpp.cc: Same.
759         * local.cc: Same.
760         * retry.cc: Same.
761         * clone.cc: Same.
762         * alloc.cc: Same.
763         * alloc_c.cc: Same.
764         * alloc_cpp.cc: Same.
765         * method-serial.cc: Same.
766         * config/generic/tls.cc: Same.
767         * config/posix/rwlock.h (gtm_rwlock): Same.
768         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
770 2011-08-12  Torvald Riegel  <triegel@redhat.com>
772         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
773         implementation.
774         (gtm_rwlock::read_unlock): Same.
775         (gtm_rwlock::write_lock_generic): New. Generalized from ...
776         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
777         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
778         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
779         w_upgrade. Replaced by per-transaction flags (in shared_state).
780         Added c_confirmed_writers.
781         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
782         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
783         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
784         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
785         * beginend.cc (GTM::gtm_transaction::begin_transaction,
786         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
787         * libitm.texi: Document locking conventions and implementations in
788         libitm.
790 2011-08-12  Torvald Riegel  <triegel@redhat.com>
792         * libitm_i.h (next_tx): Add list of all threads' transaction.
793         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
794         transaction with list of transactions and ...
795         (thread_exit_handler): ... deregister here.
796         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
797         * config/x86/target.h: Same.
799 2011-08-12  Torvald Riegel  <triegel@redhat.com>
801         * testsuite/libitm.c++/static_ctor.C: New file.
803 2011-08-12  Torvald Riegel  <triegel@redhat.com>
805         * testsuite/libitm.c/reentrant.c: New file.
807 2011-08-12  Torvald Riegel  <triegel@redhat.com>
809         * config/generic/tls.h: Remove the free list for transactions and ...
810         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
811         (GTM::gtm_transaction::operator delete): ... and release here.
812         (thread_exit_handler): New. Delete tx when thread terminates.
813         (thread_exit_init): New.
814         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
815         * testsuite/libitm.c/txrelease.c: New file.
817 2011-08-12  Torvald Riegel  <triegel@redhat.com>
819         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
820         * testsuite/libitm.c/notx.c: New file.
822 2011-08-12  Torvald Riegel  <triegel@redhat.com>
824         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
825         * libitm_i.h (local_tid): ... to here.
826         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
827         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
829 2011-08-12  Torvald Riegel  <triegel@redhat.com>
831         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
832         serialirr_onwrite_dispatch as new default for now.
833         * method-serial.cc (serialirr_onwrite_dispatch): New.
834         (GTM::dispatch_serialirr_onwrite): New.
835         * libitm_i.h: Same.
837 2011-08-12  Torvald Riegel  <triegel@redhat.com>
839         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
840         * query.cc (_ITM_getTransactionId): There is no active transaction if
841         the current nesting level is zero.
843 2011-07-28  Torvald Riegel  <triegel@redhat.com>
845         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
846         rollback.
848 2011-07-28  Torvald Riegel  <triegel@redhat.com>
850         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
851         transaction properties from the caller instead of from the
852         transaction object.
853         * libitm_i.h: Same.
854         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
856 2011-07-28  Torvald Riegel  <triegel@redhat.com>
858         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
859         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
860         * dispatch.h: Same.
861         * method-serial.cc: Same.
862         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
863         flat nesting as default, and closed nesting on demand.
864         (GTM::gtm_transaction::rollback): Same.
865         (_ITM_abortTransaction): Same.
866         (GTM::gtm_transaction::restart): Same.
867         (GTM::gtm_transaction::trycommit): Same.
868         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
869         (choose_code_path): New.
870         (GTM::gtm_transaction_cp::save): New.
871         (GTM::gtm_transaction_cp::commit): New.
872         * query.cc (_ITM_inTransaction): Support flat nesting.
873         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
874         (GTM::gtm_transaction): Support flat and closed nesting.
875         * alloc.cc (commit_allocations_2): New.
876         (commit_cb_data): New helper struct.
877         (GTM::gtm_transaction::commit_allocations): Handle nested
878         commits/rollbacks.
879         * libitm.texi: Update user action section, add description of nesting.
881 2011-07-28  Torvald Riegel  <triegel@redhat.com>
883         * libitm_i.h: Add closed nesting as restart reason.
884         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
886 2011-07-28  Torvald Riegel  <triegel@redhat.com>
888         * useraction.cc: Use vector instead of list to store actions.
889         Also support partial rollbacks for closed nesting.
890         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
891         * beginend.cc: Same.
893 2011-07-28  Torvald Riegel  <triegel@redhat.com>
895         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
896         closed_nesting flags, as well as a closed nesting alternative.
897         * method-serial.cc: Same.
898         (serial_dispatch): Renamed to serialirr_dispatch.
899         (GTM::dispatch_serialirr): Same.
900         (serial_dispatch_ul): Renamed to serial_dispatch.
901         (GTM::dispatch_serial): Same.
903 2011-07-28  Torvald Riegel  <triegel@redhat.com>
905         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
907 2011-07-28  Torvald Riegel  <triegel@redhat.com>
909         * aatree.h (aa_tree::remove): New.
910         (aa_tree::operator new): Add placement new.
912 2011-07-02  Torvald Riegel  <triegel@redhat.com>
914         * containers.h: New file.
915         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
916         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
917         * common.h: ... to here.
918         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
919         * local.cc: Same.
921 2011-06-30  Torvald Riegel  <triegel@redhat.com>
923         * libitm_i.h (STATE_ABORTING): Remove.
924         * beginend.cc (_ITM_abortTransaction): Same.
925         (GTM::gtm_transaction::trycommit_and_finalize): Same.
926         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
927         (_ITM_rollbackTransaction): Remove.
928         * beginend.cc: Same.
929         * libitm.map: Same.
930         * libitm.texi: Document these ABI changes.
932 2011-06-30  Torvald Riegel  <triegel@redhat.com>
934         * libitm.texi: New file.
935         * Makefile.am: Add libitm.texi.
936         * Makefile.in: Rebuild.
938 2011-06-30  Torvald Riegel  <triegel@redhat.com>
940         * libitm_i.h: Move parts to common.h and dispatch.h.
941         * common.h: New file.
942         * dispatch.h: New file, new dispatch class.
943         Rename GTM::abi_dispatch::lock_type to ls_modifier.
944         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
945         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
946         decision to retry.cc.
947         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
948         only.
949         (GTM::gtm_transaction::decide_begin_dispatch): Same.
950         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
951         logging.
952         * barrier.cc: Use new barriers definitions.
953         (abi_dispatch::memmove_overlap_check): New.
954         * config/x86/x86_sse.cc: Same.
955         * config/x86/x86_avx.cc: Same.
956         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
957         memcpy.cc.
958         * Makefile.in: Rebuild.
959         * method-readonly.cc: Remove.
960         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
961         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
963 2011-06-30  Torvald Riegel  <triegel@redhat.com>
965         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
966         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
967         * testsuite/libitm.c/dropref-2.c: Same.
968         * testsuite/libitm.c/dropref.c: Same.
970 2011-06-30  Torvald Riegel  <triegel@redhat.com>
972         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
973         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
974         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
975         * alloc_c.cc: Same.
976         * barrier.tpl: Same.
977         * beginend.c: Same.
978         * config/generic/tls.h: Same.
979         * config/x86/tls.h: Same.
980         * libitm_i.h: Same.
981         * memcpy.cc: Same.
982         * memset.cc: Same.
983         * method-readonly.cc: Same.
984         * method-serial.cc: Same.
985         * method-wbetl.cc: Same.
986         * retry.cc: Same.
988 2011-03-03  Richard Henderson  <rth@redhat.com>
990         * config/posix/rwlock.cc (write_upgrade): Add missing case.
991         From Patrik Marlier <patrick.marlier@unine.ch>.
993 2011-02-03  Richard Henderson  <rth@redhat.com>
995         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
996         * configure.ac: Use it.
997         * configure, config.h.in: Rebuild.
998         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
999         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1000         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1001         * libitm.map: Use wildcards to match size_t mangling.
1003 2010-12-14  Richard Henderson  <rth@redhat.com>
1005         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1006         blocks of TIDs per thread.
1007         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1008         (setup_gtm_thr): Return the thread structure.
1009         * config/x86/tls.h (setup_gtm_thr): Likewise.
1011 2010-12-14  Richard Henderson  <rth@redhat.com>
1013         * clone.cc (table_lock): Remove.
1014         (find_clone): Don't take it.
1015         (ExcludeTransaction): New helper class.
1016         (_ITM_registerTMCloneTable): Use it.
1017         (_ITM_deregisterTMCloneTable): Likewise.
1019 2010-12-14  Richard Henderson  <rth@redhat.com>
1021         * config/x86/tls.h: New file.
1023 2010-07-15  Richard Henderson  <rth@redhat.com>
1025         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1026         * Makefile.in: Rebuild.
1028 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1030         * method-wbetl.cc (trydropreference): Fix source line.
1032 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1034         * libitm.h: Add comment.
1035         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1037 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1039         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1040         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1041         available, use pthread mutexes.
1042         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1043         * config.h.in: Regenerate.
1044         * configure: Regenerate.
1046 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1048         * libitm.h (ITM_PURE): Define.
1049         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1051 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1053         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1054         (validate): Add comment.
1055         (trydropreference): New.
1056         * method-readonly.cc (class readonly_dispatch): Add
1057         trydropreference.
1058         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1059         Call trydropreference().
1060         * libitm.h (_ITM_dropReferences): Remove const attribute.
1061         * method-serial.cc (class serial_dispatch): Add trydropreference.
1062         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1064 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1066         * memcpy.cc (do_memcpy): Comment.
1068 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1070         * barrier.tpl: Add comments throughout.
1072 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1074         * method-wbetl.cc (struct w_entry): Add comments.
1075         (trycommit): Same.
1076         (rollback): Same.
1078 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1080         * alloc_c.cc (_ITM_dropReferences): New.
1081         * libitm.map (_ITM_dropReferences): Add.
1082         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1083         * libitm_i.h (struct gtm_transaction): Declare
1084         drop_references_allocations and drop_references_local.
1085         * local.cc (rollback_local): Ignore memory when applicable.
1086         (drop_references_local): New.
1088 2010-06-23  Richard Henderson  <rth@redhat.com>
1090         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1091         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1092         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1093         * config/alpha/target.h: Likewise.
1094         * config/generic/tls.cc (gtm_mask_stack): Use it.
1096 2010-06-23  Richard Henderson  <rth@redhat.com>
1098         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1099         a mutex instead of trying a lock-free compare-and-swap on the list.
1100         (gtm_cacheline_page::operator delete): Likewise.
1102 2010-06-16  Richard Henderson  <rth@redhat.com>
1104         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1105         that overlap the libitm stack.
1106         * barrier.tpl: Mark incoming stack.
1107         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1108         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1109         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1110         * memcpy.cc, memset.cc: Likewise.
1111         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1112         * config/generic/tls.h (gtm_thread): Add stack_top member.
1113         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1114         * libitm_i.h (gtm_mask_stack): Declare.
1115         * config/generic/tls.cc: New file.
1116         * Makefile.am (libitm_la_SOURCES): Add it.
1117         (AM_CXXFLAGS): Turn off exceptions.
1118         * Makefile.in: Rebuild.
1120 2010-06-16  Richard Henderson  <rth@redhat.com>
1122         * alloc.cc (struct gtm_alloc_action): Move definition ...
1123         * libitm_i.h: ... here.
1124         (class gtm_transaction): Declare new and delete.
1125         * beginend.cc (alloc_tx): Reformulate as operator new.
1126         (free_tx): Reformulate as operator delete.
1127         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1129 2010-06-11  Richard Henderson  <rth@redhat.com>
1131         * clone.cc (clone_entry_compare): Fix typo.
1132         From Patrik Marlier <patrick.marlier@unine.ch>.
1134 2010-05-13  Richard Henderson  <rth@redhat.com>
1136         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1137         in extern "C".
1139 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1141         * libitm_i.h (struct gtm_transaction): Remove
1142         get_allocation_size.
1143         (record_allocation): Remove size parameter.
1144         * libitm.map (_ITM_realloc): Remove.
1145         * alloc_c.cc (_ITM_realloc): Remove.
1146         (_ITM_malloc): Remove size argument to record_allocation.
1147         (_ITM_calloc): Same.
1148         * alloc_cpp.cc (_ZGTtnwm): Same.
1149         (_ZGTtnwmRKSt9nothrow_t): Same.
1150         (_ZGTtnam): Same.
1151         (_ZGTtnamRKSt9nothrow_t): Same.
1152         * alloc.cc (struct gtm_alloc_action): Remove size.
1153         (get_allocation_size): Remove.
1154         (commit_allocations): Add comment.
1155         (record_allocation): Remove size parameter.
1156         (forget_allocation): Remove set of size.
1158 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1160         * Makefile.am (abi_version): New.
1161         (AM_CXXFLAGS): Pass abi_version.
1162         * Makefile.in: Regenerate.
1163         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1165 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1167         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1168         _ITM_getTMCloneOrIrrevokable.
1169         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1170         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1172 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1174         * configure.ac: Remove Linux futex support.
1175         * configure.tgt (config_path): Same.
1176         * Makefile.am: Same.
1177         * config/linux: Remove entire directory.
1178         * configure: Rebuild.
1179         * Makefile.in: Rebuild.
1180         * testsuite/Makefile.in: Rebuild.
1182 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1184         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1185         switching to serial mode.
1186         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1188 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1190         * configure.tgt: Add emacs -*- tags.
1191         * barrier.tpl: Same.
1193 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1195         * Makefile.am: Rename serial.cc to method-serial.cc.
1196         * Makefile.in: Regenerate with automake 1.11.1.
1197         * testsuite/Makefile.in: Same.
1198         * aclocal.m4: Regenerate with aclocal 1.11.1.
1199         * method-serial.cc: Rename from serial.cc.
1200         * libitm_i.h (struct gtm_transaction): Update comment on
1201         serialirr_mode.
1203 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1205         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1206         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1208 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1210         * configure: Rebuild.
1212 2009-11-12  Richard Henderson  <rth@redhat.com>
1214         * Rewrite everything in C++.
1216 2009-11-03  Richard Henderson  <rth@redhat.com>
1218         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1219         * Makefile.am (libitm_la_SOURCES): Add them.
1220         * configure.ac (ARCH_X86): New conditional.
1221         * Makefile.in, configure: Rebuild.
1222         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1223         Move futex setup into "other system configury" case.
1224         * local.c (rollback_local): Merge into ...
1225         (GTM_rollback_local): ... here.
1226         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1227         (_ITM_LB): Define as an alias to GTM_LB.
1229 2009-11-03  Richard Henderson  <rth@redhat.com>
1231         * method-readonly.c: New file.
1232         * Makefile.am (libitm_la_SOURCES): Add it.
1233         * Makefile.in: Rebuild.
1234         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1235         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1236         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1237         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1238         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1239         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1240         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1241         gtm_get_clock, gtm_inc_clock): New.
1242         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1243         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1244         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1245         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1246         replace uses with new libitm_i.h symbols.
1247         (dispatch_wbetl): Rename from wbetl_dispatch.
1248         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1249         away from dispatch_readonly; abort if the beginTransaction call
1250         asserted that the transaction was readonly.
1252 2009-11-03  Richard Henderson  <rth@redhat.com>
1254         * memset.c: New file.
1255         * Makefile.am (libitm_la_SOURCES): Add it.
1256         * Makefile.in: Rebuild.
1257         * testsuite/libitm.c/memset-1.c: New.
1259 2009-11-03  Richard Henderson  <rth@redhat.com>
1261         * dispatch.c: Remove file.
1262         * useraction.c (struct gtm_user_action): Move from libitm.h.
1263         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1264         (serial_memset, serial_memmove, serial_memcpy): Remove.
1265         (serial_W*, serial_R*): Remove.
1266         (serial_dispatch): Update to match.
1267         * configure.ac: Move Werror down below configure checks.  Don't
1268         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1269         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1270         Use GCC_AC_FUNC_MMAP_BLACKLIST
1271         * libitm.h: Split out all internal items to...
1272         * libitm_i.h: ... here.  New file.
1273         * copymask.c: New file.
1274         * local.c (struct gtm_local_undo): Move from libitm.h.
1275         (GTM_alloc_local): Rename from alloc_local; export.
1276         * memcpy.c: New file.
1277         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1278         * config/posix/page.c: New file.
1279         * config/posix/target_tls.h: Remove file.
1280         * barrier.c: New file.
1281         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1282         copymask.c, page.c.
1283         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1284         * method-wbetl.c: Rewrite for new cacheline methods.
1285         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1287         * config/alpha/sjlj.S: Fix typo.
1288         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1289         * config/alpha/copymask.c: New file.
1290         * config/alpha/target.h (CACHELINE_SIZE): New.
1291         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1293         * config/x86/target_i.h: Copy functions from x86/target.h.
1294         * config/x86/copymask.c: New file.
1295         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1296         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1297         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1298         * config/x86/target_tls.h: Move contents to target_i.h.
1300         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1301         * testsuite/libitm.c/memcpy-1.c: New.
1303 2009-10-22  Richard Henderson  <rth@redhat.com>
1305         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1306         (AM_CCASFLAGS): New.
1307         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1308         saving/restoring _AC_ARG_VAR_PRECIOUS.
1309         * Makefile.in, aclocal.m4, config.h.in, configure,
1310         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1312 2009-10-22  Richard Henderson  <rth@redhat.com>
1314         * testsuite/*: Update for new compiler syntax.
1316 2009-10-21  Richard Henderson  <rth@redhat.com>
1318         * libitm.h (_ITM_abortReason): Add outerAbort.
1320 2009-08-03  Richard Henderson  <rth@redhat.com>
1322         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1323         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1324         * method-wbetl.c (struct w_entry): Remove mask.
1325         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1326         adjust all callers.
1328 2009-07-22  Richard Henderson  <rth@redhat.com>
1330         * eh_cpp.c: New file.
1331         * Makefile.am (libitm_la_SOURCES): Add it.
1332         * Makefile.in: Rebuild.
1333         * beginend.c (GTM_rollback_transaction): Undo exception state.
1334         (GTM_trycommit_transaction): Mark inline.
1335         (GTM_trycommit_and_finalize_transaction): Split out from ...
1336         (_ITM_commitTransaction): ... here.
1337         (_ITM_commitTransactionEH): New function.
1338         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1339         cxa_unthrown, eh_in_flight; reorder.
1341         * testsuite/libitm.c++/c++.exp: New.
1342         * testsuite/libitm.c++/eh-1.C: New.
1344         * aatree.c (aa_free): Remove REGPARM.
1345         * aatree.h: Remove all REGPARM.
1347 2009-07-18  Richard Henderson  <rth@redhat.com>
1349         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1350         * Makefile.am (libitm_la_SOURCES): Add them.
1351         * Makefile.in: Rebuild.
1352         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1353         (GTM_trycommit_transaction): Likewise.
1354         * libitm.h: Include aatree.h
1355         (struct gtm_alloc_action): New.
1356         (struct gtm_transaction): Add alloc_actions.
1357         (GTM_record_allocation, GTM_forget_allocation): Declare.
1358         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1359         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1360         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1361         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1362         _ZGTtdaPvRKSt9nothrow_t): Export.
1364 2009-07-18  Richard Henderson  <rth@redhat.com>
1366         * target_tls.h: Move ...
1367         * config/posix/target_tls.h: ... here.
1369 2009-07-07  Richard Henderson  <rth@redhat.com>
1371         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1373 2009-07-07  Richard Henderson  <rth@redhat.com>
1375         * Update to GPL3.
1377 2009-07-07  Richard Henderson  <rth@redhat.com>
1379         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1380         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1382         * configure.tgt: Don't use -ftls-model for x86 linux.
1383         * libitm.h: Include target.h after standard includes.
1384         (_gtm_thr): Rename from gtm_thr.
1385         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1386         (gtm_disp, set_gtm_disp): New.
1387         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1388         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1389         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1391 2009-07-07  Richard Henderson  <rth@redhat.com>
1393         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1395 2009-07-06  Richard Henderson  <rth@redhat.com>
1397         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1398         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1399         (_ITM_beginTransaction): Take variadic arguments.
1400         (_ITM_registerThrownObject): Declare.
1401         * beginend.c, serial.c: Update.
1402         * libitm.map: Add _ITM_registerThrownObject.
1404 2009-01-28  Richard Henderson  <rth@redhat.com>
1406         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1407         * Makefile.in: Rebuild.
1408         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1409         (GTM_restart_transaction): Fix uninstrumented code check.
1410         * retry.c (GTM_decide_retry_strategy): Add serial check.
1411         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1412         automatically go irrevokable when in serial mode.
1413         * clone.c: New file.
1414         * libitm.h, libitm.map: Update.
1416 2009-01-27  Richard Henderson  <rth@redhat.com>
1418         * Makefile.am (LTCCASCOMPILE): Define.
1419         (libitm_la_SOURCES): Add methid-wbetl.c.
1420         * testsuite/Makefile.am: New
1421         * configure.ac: Add testsuite/Makefile.
1422         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1423         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1424         (_ITM_abortTransaction): Finalize implementation method; pass
1425         transaction properties to longjmp.
1426         (GTM_restart_transaction): Split out from ...
1427         (_ITM_commitTransaction): ... here.
1428         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1429         Move to config/x86/target.h.
1430         * config/linux/alpha/futex_bits.h: New.
1431         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1432         * config/x86/target.h: Disable target types for 32-bit.
1433         * config/alpha/sjlj.S, config/alpha/target.h: New.
1434         * libitm.h (struct gtm_dispatch): Add init, fini.
1435         (enum restart_reason): New.
1436         (struct gtm_transaction): Add method and restarts.
1437         * retry.c (GTM_decide_retry_strategy): Implement.
1438         * serial.c (serial_init, serial_fini): New.
1439         (GTM_serialmode): Finialize outgoing method.
1440         * method-wbetl.c: New.
1442 2008-12-09  Richard Henderson  <rth@redhat.com>
1444         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1445         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1446         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1447         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1448         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1449         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1450         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1451         * serial.c (serial_R##T, serial_W##T): Likewise.
1453 2008-11-21  Richard Henderson  <rth@redhat.com>
1455         * Initial commit.