cxa_vec.C: Fix typo in comment.
[official-gcc.git] / libitm / ChangeLog
blob371726160550da89d251bcab0f3e6246d6fd3942
1 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
3         * configure: Regenerate.
5 2012-10-31  Richard Henderson  <rth@redhat.com>
7         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
8         * configure.ac: Use it.
9         * config.h.in, configure: Rebuild.
10         * testsuite/Makefile.in: Rebuild.
12 2012-10-24  Torvald Riegel  <triegel@redhat.com>
14         * libitm.texi: Clarify ABI requirements for data-logging functions.
16 2012-10-24  Torvald Riegel  <triegel@redhat.com>
18         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
19         it requires serial mode instead of assuming that for certain
20         dispatchs.
21         * dispatch.h (abi_dispatch::requires_serial): New.
22         (abi_dispatch::abi_dispatch): Adapt.
23         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
24         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
25         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
26         serial_dispatch::serial_dispatch,
27         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
29 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
31         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
32         and ia32 declarations some more.
33         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
35 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
37         PR other/43620
38         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
39         * configure: Regenerate.
40         * Makefile.in: Regenerate.
42 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
44         * configure: Regenerated.
46 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
48         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
50 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
52         * eh_cpp.cc: Fix __cxa_end_catch declaration.
54 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
56         * configure: Regenerated.
58 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
60         PR libitm/52854
61         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
62         for x86-64.
64 2012-04-03  Tristan Gingold  <gingold@adacore.com>
66         * configure: Regenerate.
68 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
70         PR bootstrap/52812
71         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
73 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
75         * testsuite/lib/libitm.exp: load fortran-modules.exp
77 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
79         * configure.tgt (*-*-irix6*): Remove.
81 2012-03-13  Torvald Riegel  <triegel@redhat.com>
83         PR libitm/52526
84         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
85         wake-up.
87 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
89         * configure.tgt (*-*-osf*): Remove.
90         * configure: Regenerate.
92 2012-03-05  Torvald Riegel  <triegel@redhat.com>
94         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
95         memtransfer/memset if size isn't larger than zero.
97 2012-03-02  Torvald Riegel  <triegel@redhat.com>
99         * libitm.texi: Link to specification and add a usage example.
101 2012-02-24  Torvald Riegel  <triegel@redhat.com>
103         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
104         default dispatch for more than 1 thread to ml_wt.
106 2012-02-20  Torvald Riegel  <triegel@redhat.com>
108         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
110 2012-02-20  Torvald Riegel  <triegel@redhat.com>
112         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
114 2012-02-20  Torvald Riegel  <triegel@redhat.com>
116         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
117         serial mode corner cases made obsolete by prior gtm_rwlock changes.
118         (gl_wt_dispatch.rollback): Same.
120 2012-02-20  Torvald Riegel  <triegel@redhat.com>
122         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
124 2012-02-20  Torvald Riegel  <triegel@redhat.com>
126         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
127         for RfW src.  Optimize number of calls to gtm_thr.
129 2012-02-20  Torvald Riegel  <triegel@redhat.com>
131         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
132         acquisition to ...
133         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
134         (default_dispatch): Make atomic.
135         (GTM::gtm_thread::set_default_dispatch): Access atomically.
136         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
137         use decide_begin_dispatch() if default_dispatch might have changed.
138         (GTM::gtm_thread::number_of_threads_changed): Initialize
139         default_dispatch here.
141 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
142             Patrick Marlier  <patrick.marlier@gmail.com>
144         PR libitm/52220
145         * alloc_cpp.cc: No dummy definitions for darwin.
146         * eh_cpp.cc: Likewise.
148 2012-02-14  Richard Henderson  <rth@redhat.com>
150         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
152 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
154         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
156 2012-02-14  Torvald Riegel  <triegel@redhat.com>
158         * libitm_i.h (GTM::gtm_rwlog_entry): New.
159         (GTM::gtm_thread): Add read and write logs.
160         (GTM::dispatch_ml_wt): Declare.
161         * retry.cc (parse_default_method): Support ml_wt.
162         * method-ml.cc: New file.
163         * Makefile.am: Add method-ml.cc.
164         * Makefile.in: Regenerate.
166 2012-02-14  Torvald Riegel  <triegel@redhat.com>
168         * dispatch.h (GTM::abi_dispatch::supports): New.
169         (GTM::method_group::reinit): New.
170         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
171         (GTM::gtm_thread::number_of_threads_changed): Check that the method
172         supports the current situation.
174 2012-02-14  Torvald Riegel  <triegel@redhat.com>
176         * util.cc (GTM::xcalloc): New.
177         * common.h (GTM::xcalloc): Declare.
179 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
181         * config/sparc/target.h (cpu_relax): Read from CC register.
182         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
184 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
186         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
188 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
190         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
191         * config/sparc/cacheline.h: New file.
192         * config/sparc/target.h: Likewise.
193         * config/sparc/sjlj.S: Likewise.
194         * config/linux/sparc/futex_bits.h: Likewise.
196 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
198         * configure.ac (link_itm): Fix comment.
199         * configure: Regenerate.
200         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
202 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
204         PR libitm/51822
205         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
206         Correct libgomp references.
208 2012-01-24  Torvald Riegel  <triegel@redhat.com>
210         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
211         wake-up.
213 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
215         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
216         end of structure.
217         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
218         offset values.  Do not copy return address.  Decrement stack
219         by 56 bytes only.
220         (GTM_longjump) [__x86_64__]: Update offset values.
222 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
224         PR libitm/51830
225         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
226         the first function argument to %eax.
228 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
230         * libitm.h (_ITM_getThreadnum): Remove.
231         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
233 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
235         * clearcap.map: New file.
236         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
237         * configure.ac: Call it.
238         Clear HWCAP_LDFLAGS if defaulting to -mavx.
239         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
240         * configure: Regenerate.
241         * Makefile.in: Regenerate.
242         * testsuite/Makefile.in: Regenerate.
244 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
246         PR libitm/51173
247         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
248         include, exclude options.
250 2012-01-14  Torvald Riegel  <triegel@redhat.com>
252         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
253         rolling back.
254         * containers.h (GTM::vector::set_size): New.
256 2012-01-14  Torvald Riegel  <triegel@redhat.com>
258         PR libitm/51855
259         * config/generic/tls.h (GTM::mask_stack_top): New.
260         (GTM::mask_stack_bottom): Declare.
261         * config/generic/tls.c (GTM::mask_stack_bottom): New.
262         * local.cc (gtm_undolog::rollback): Filter out any updates that
263         overlap the libitm stack.  Add current transaction as parameter.
264         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
265         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
266         * testsuite/libitm.c/stackundo.c: New test.
268 2012-01-10  Richard Henderson  <rth@redhat.com>
270         * libitm_i.h (_Unwind_DeleteException): Declare weak.
271         * eh_cpp.cc (_Unwind_DeleteException): Define for
272         !HAVE_ELF_STYLE_WEAKREF.
274 2012-01-08  Torvald Riegel  <triegel@redhat.com>
276         * local.cc (GTM_LB): Use GTM::gtm_undolog.
277         (GTM::gtm_thread::drop_references_undolog): Remove.
278         (GTM::gtm_thread::commit_undolog,
279         GTM::gtm_thread::rollback_undolog): Move to ...
280         * libitm_i.h (GTM::gtm_undolog): ...here. New.
281         (GTM::gtm_undolog_entry): Remove.
282         (GTM::gtm_thread): Adapt.
283         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
284         (GTM::gtm_thread::trycommit): Adapt.
285         * method-serial.cc (serial_dispatch::log): Adapt.
286         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
287         (gl_wt_dispatch::store): Fix likely/unlikely.
288         * containers.h (GTM::vector::resize): Add additional_capacity
289         parameter and handle it.
290         (GTM::vector::resize_noinline): New/adapt.
291         (GTM::vector::push): New.
293 2012-01-06  Richard Henderson  <rth@redhat.com>
295         * configure.tgt: Support powerpc-linux and powerpc-darwin.
296         * config/linux/powerpc/futex_bits.h: New file.
297         * config/powerpc/cacheline.h: New file.
298         * config/powerpc/sjlj.S: New file.
299         * config/powerpc/target.h: New file.
300         * config/generic/asmcfi.h (cfi_offset): New.
301         (cfi_restore, cfi_undefined): New.
303 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
305         PR other/51171
306         * testsuite/libitm.c/reentrant.c: Remove xfail.
307         (thread): Pass x to pure().
308         From Patrik Marlier <patrick.marlier@gmail.com>.
310 2011-12-24  Torvald Riegel  <triegel@redhat.com>
312         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
313         privatization safety if already in serial mode.
315 2011-12-24  Torvald Riegel  <triegel@redhat.com>
317         * beginend.cc (GTM::gtm_thread::restart): Add and handle
318         finish_serial_upgrade parameter.
319         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
320         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
321         Don't unset reader flag.
322         (GTM::gtm_rwlock::write_upgrade_finish): New.
323         * config/posix/rwlock.cc: Same.
324         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
325         Declare.
326         * config/posix/rwlock.h: Same.
327         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
328         flag after commit or after rollback when restarting.
330 2011-12-24  Torvald Riegel  <triegel@redhat.com>
332         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
333         (GTM::gtm_thread::try_commit): Changed memory order.
334         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
335         as parameter.
336         * config/linux/x86/futex_bits.h (sys_futex0): Same.
337         * config/linux/sh/futex_bits.h (sys_futex0): Same.
338         * config/linux/futex_bits.h (sys_futex0): Same.
339         * config/linux/futex.cc (futex_wait, futex_wake): Same.
340         * config/linux/futex.h (futex_wait, futex_wake): Same.
341         * config/linux/rwlock.h (gtm_rwlock::writers,
342         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
343         ints.
344         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
345         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
346         gtm_rwlock::write_unlock): Fix memory orders and fences.
347         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
348         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
349         gtm_rwlock::write_unlock): Same.
350         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
351         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
352         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
353         Add comments.
354         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
355         gl_wt_dispatch::load, gl_wt_dispatch::store,
356         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
357         orders and fences.  Add comments.
359 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
361         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
362         * Makefile.in: Regenerated.
364 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
366         * configure.tgt: Add sh* case.
367         * config/sh/target.h: New file.
368         * config/sh/sjlj.S: New file.
369         * config/linux/sh/futex_bits.h: New file.
371 2011-12-14  Richard Henderson  <rth@redhat.com>
373         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
374         * config/arm/sjlj.S, config/arm/target.h: New files.
375         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
376         (cfi_rel_offset): New.
377         * config/linux/futex_bits.h: New file.
378         * config/linux/futex.cc: Include futex_bits.h here...
379         * config/linux/futex.h: ... not here.
380         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
381         * configure.ac (ARCH_AM): New conditional.
382         * Makefile.in, configure: Rebuild.
383         * configure.tgt: Handle ARM.
385 2011-12-13  Richard Henderson  <rth@redhat.com>
387         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
388         signed/unsigned comparison werror.
390         * local_atomic: New file.
391         * libitm_i.h: Include it.
392         (gtm_thread::shared_state): Use atomic template.
393         * beginend.cc (GTM::gtm_clock): Use atomic template.
394         (global_tid): Use atomic template if 64-bit atomics available.
395         (gtm_thread::gtm_thread): Update shared_state access.
396         (gtm_thread::trycommit): Likewise.
397         (choose_code_path): Update global_tid access.
398         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
399         * stmlock.h (GTM::gtm_clock): Use atomic template.
400         (gtm_get_clock, gtm_inc_clock): Update accesses.
401         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
402         redundant __sync_synchronize after atomic shared_state access.
403         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
404         (gtm_rwlock::write_lock_generic): Likewise.
405         (gtm_rwlock::read_unlock): Likewise.
406         * config/alpha/target.h (atomic_read_barrier): Remove.
407         (atomic_write_barrier): Remove.
408         * config/x86/target.h (atomic_read_barrier): Remove.
409         (atomic_write_barrier): Remove.
411 2011-11-30  Richard Henderson  <rth@redhat.com>
413         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
414         * beginend.c (_ITM_abortTransaction): Update to match.
415         (GTM::gtm_thread::restart): Likewise.
416         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
417         * config/x86/sjlj.S (GTM_longjmp): Likewise.
419 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
421         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
422         * Makefile.in: Regenerate.
424 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
426         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
427         * alloc_cpp.cc: Generate dummy functions if we don't
428         HAVE_ELF_STYLE_WEAKREF.
429         * eh_cpp.cc: Likewise.
430         * configure: Regenerate.
431         * aclocal.m4:  Likewise.
432         * config.h.in: Likewise.
433         * Makefile.in: Likewise.
434         * testsuite/Makefile.in: Likewise.
436 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
438         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
439         __USER_LABEL_PREFIX__ for targets that use it.
440         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
441         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
442         in portability to non-elf targets.
443         (GTM_longjmp): Likewise.
444         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
445         where required.
447 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
449         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
450         * testsuite/libitm.c/memset-1.c: Likewise.
452 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
454         * configure: Regenerate.
456 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
458         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
459         (LIBITM_ENABLE_SYMVERS): Handle sun style.
460         * Makefile.am: Handle sun style versioning.
461         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
462         * configure: Regenerate.
463         * Makefile.in: Regenerate.
465 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
467         * config/generic/asmcfi.h: Fix comment.
468         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
469         sequence without .hidden support, error for non-ELF targets.
470         (GTM_longjmp) [__ELF__]: Only use .hidden if
471         HAVE_ATTRIBUTE_VISIBILITY.
473 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
475         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
476         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
477         Dummy functions.
478         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
479         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
481 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
483         PR bootstrap/51098
484         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
485         * configure: Regenerate.
487 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
489         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
491 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
493         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
494         .hidden.
495         (.note.GNU-stack): Only use if __linux__.
496         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
497         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
498         * testsuite/libitm.c/reentrant.c: Likewise.
499         * testsuite/libitm.c/simple-2.c: Likewise.
500         * testsuite/libitm.c/txrelease.c: Likewise.
501         * testsuite/libitm.c++/static_ctor.C: Likewise.
503 2011-11-10  Richard Henderson  <rth@redhat.com>
505         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
506         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
507         * configure.ac (ARCH_X86_AVX): New conditional.
508         * Makefile.in, configure: Rebuild.
510 2011-11-09  Richard Henderson  <rth@redhat.com>
512         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
513         * configure.ac: Use it.
514         * config.h.in, configure: Rebuild.
515         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
517 2011-11-09  Richard Henderson  <rth@redhat.com>
519         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
520         * config/alpha/unaligned.h: Remove file.
521         * config/generic/unaligned.h: Remove file.
522         * config/x86/unaligned.h: Remove file.
523         * config/generic/cachepage.h: Remove file.
524         * config/posix/cachepage.cc: Remove file.
525         * config/generic/cacheline.cc: Remove file.
526         * config/x86/cacheline.cc: Remove file.
527         * config/generic/cacheline.h (gtm_cacheline): Remove the
528         store_mask, copy_mask, copy_mask_wb methods.
529         * config/x86/cacheline.h: Likewise.
530         * config/alpha/cacheline.h: Fall back to generic after setting size.
531         * config/generic/tls.cc (gtm_mask_stack): Remove.
532         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
533         (GTM_vpalignr_table): Remove.
534         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
535         (GTM_pshift_table): Remove.
536         * config/libitm_i.h: Don't include cachepage.h.
537         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
538         * Makefile.in, testsuite/Makefile.in: Rebuild.
540 2011-11-09  Richard Henderson  <rth@redhat.com>
542         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
543         to emit branch prediction hint.
545         * config/x86/sjlj.S: Protect elf directives with __ELF__.
546         Protect .note.GNU-stack with __linux__.
548         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
549         * configure, aclocal.m4, config.h.in: Rebuild.
550         * config/generic/asmcfi.h: New file.
551         * config/x86/sjlj.S: Use it.
553 2011-11-08  Richard Henderson  <rth@redhat.com>
555         * local.cc (_ITM_LB): Use a normal call, not a function alias.
557 2011-11-08  Richard Henderson  <rth@redhat.com>
559         * configure.tgt: Test correct directory for supported cpus.
561         * configure.ac: Exit if unsupported.
562         * configure: Rebuild.
563         * configure.tgt: Delete boilerplate from libgomp for unsupported
564         targets.  Set UNSUPPORTED for unsupported targets.
566 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
568         * configure.tgt: Handle i386 like i[456]86.
569         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
570         take address.
571         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
572         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
574 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
576         * method-wbetl.cc: Update copyright notice.
577         * aatree.cc: Same.
578         * util.cc: Same.
579         * libitm.h: Same.
580         * memset.cc: Same.
581         * eh_cpp.cc: Same.
582         * barrier.tpl: Same.
583         * useraction.cc: Same.
584         * stmlock.h: Same.
585         * memcpy.cc: Same.
586         * common.h: Same.
587         * config/generic/tls.cc: Same.
588         * config/generic/cacheline.h: Same.
589         * config/generic/cachepage.h: Same.
590         * config/generic/cacheline.cc: Same.
591         * config/generic/unaligned.h: Same.
592         * config/x86/cacheline.h: Same.
593         * config/x86/cacheline.cc: Same.
594         * config/x86/unaligned.h: Same.
595         * config/alpha/cacheline.h: Same.
596         * config/alpha/unaligned.h: Same.
597         * config/alpha/sjlj.S: Same.
598         * config/posix/cachepage.cc: Same.
599         * config/linux/futex.h: Same.
600         * config/linux/alpha/futex_bits.h: Same.
602 2011-11-04  Torvald Riegel  <triegel@redhat.com>
604         * libitm.texi: No cover text and invariant sections.
606 2011-11-03  Richard Henderson  <rth@redhat.com>
608         * local_type_traits: New file.
609         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
611 2011-11-03  Richard Henderson  <rth@redhat.com>
613         * configure.ac: Don't test for gfortran.
614         * configure: Rebuild.
616         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
617         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
619 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
621         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
622         * testsuite/libitm.c/memset-1.c: Same.
623         * testsuite/libitm.c/c.exp: Same.
624         * testsuite/lib/libitm-dg.exp: Same.
625         * testsuite/lib/libitm.exp: Same.
626         * testsuite/libitm.c++/c++.exp: Same.
628 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
630         * testsuite/config/default.exp: Update copyright date.
631         * configure.ac: Add copyright info.
632         * configure.tgt: Same.
634 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
636         * testsuite/libitm.c/reentrant.c: XFAIL.
637         * testsuite/libitm.c++/static_ctor.C: XFAIL.
639 2011-10-29  Torvald Riegel  <triegel@redhat.com>
641         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
642         handle aborts.
643         (_ITM_abortTransaction): Handle aborts of outer transactions.
644         * libitm_i.h: Same.
645         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
646         * libitm.texi: Document aborts of outer transactions.
647         * testsuite/libitm.c/cancel.c: New file.
649 2011-10-19  Torvald Riegel  <triegel@redhat.com>
651         * testsuite/*: Change __transaction to __transaction_atomic or
652         __transaction_relaxed.
654 2011-10-19  Torvald Riegel  <triegel@redhat.com>
656         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
657         (gtm_thr): Same.
659 2011-10-19  Torvald Riegel  <triegel@redhat.com>
661         * libitm_i.h: Add gl_wt dispatch.
662         * retry.cc (parse_default_method): Same.
663         * method-gl.cc: New file.
664         * Makefile.am: Use method-gl.cc.
665         * Makefile.in: Rebuild.
667 2011-10-19  Torvald Riegel  <triegel@redhat.com>
669         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
670         safety if requested by a TM method.
671         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
672         privatization safety.
673         * method-serial.cc: Same.
675 2011-10-19  Torvald Riegel  <triegel@redhat.com>
677         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
678         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
679         undolog-related member functions from *_local to *_undolog.
680         * local.cc (gtm_thread::commit_undolog): Same.
681         * beginend.cc (GTM::gtm_thread::trycommit): Same.
682         (GTM::gtm_thread::rollback): Roll back undolog before
683         dispatch-specific rollback.
685 2011-10-19  Torvald Riegel  <triegel@redhat.com>
687         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
688         re-initialization of the current method group.
689         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
691 2011-10-19  Torvald Riegel  <triegel@redhat.com>
693         * alloc.cc (commit_allocations_2): Do not free transaction-local
694         memory when committing a nested transaction.
696 2011-10-19  Torvald Riegel  <triegel@redhat.com>
698         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
699         serial-irrevocable dispatch, not serial.
701 2011-10-19  Torvald Riegel  <triegel@redhat.com>
703         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
704         declarations.
705         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
706         * method-serial.cc: Implement begin_or_restart().
707         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
708         dispatch-specific begin_or_restart().
709         (GTM::gtm_thread::restart): Same.
711 2011-08-23  Torvald Riegel  <triegel@redhat.com>
713         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
714         restarting without switching to serial mode.
715         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
716         transaction state. Choose closed-nesting alternative if available.
717         (GTM::gtm_thread::set_default_dispatch): New.
718         (parse_default_method): New.
719         (GTM::gtm_thread::number_of_threads_changed): New.
720         * method-serial.cc (GTM::serial_mg): New method group class.
721         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
722         fini.
723         (GTM::serial_dispatch): Same.
724         (GTM::serialirr_onwrite_dispatch): Same.
725         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
726         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
727         registered threads.
728         (GTM::gtm_thread::gtm_thread): Same.
729         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
730         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
731         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
732         choose dispatch but set state according to dispatch here.
733         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
734         (GTM::method_group): New class.
735         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
736         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
737         * libitm.texi: Document TM methods, method groups, method life cycle.
738         Rename method sets to method groups.
740 2011-08-23  Torvald Riegel  <triegel@redhat.com>
742         * config/x86/tls.h: Moved to ...
743         * config/linux/x86/tls.h: ... here.
745 2011-08-23  Torvald Riegel  <triegel@redhat.com>
747         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
748         Add X32 support.
749         * config/x86/sjlj.S: Same.
751 2011-08-19  Torvald Riegel  <triegel@redhat.com>
753         * config/linux/rwlock.h: New file.
754         * config/linux/rwlock.c: New file.
755         * configure.ac: Reenable futex support (undo SVN rev 157758).
756         * Makefile.am: Same.
757         * configure.tgt: Same.
758         * config/linux/alpha/futex_bits.h: Same.
759         * config/linux/futex.h: Same. Return number of woken processes.
760         * config/linux/futex.cc: Same.
761         (futex_wait): Remove spinning.
762         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
763         Use __x86_64__ instead of __LP64__.
764         * aclocal.m4: Include generic futex checks.
765         * configure: Rebuild.
766         * Makefile.in: Rebuild.
767         * testsuite/Makefile.in: Rebuild.
768         * beginend.cc: Include pthread.h.
769         * config/posix/cachepage.cc: Same.
771 2011-08-12  Torvald Riegel  <triegel@redhat.com>
773         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
774         (abi_disp, set_abi_disp): Move to tx's TLS slot.
775         (set_gtm_thr): New.
776         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
777         (set_gtm_thr): New.
778         (GTM::gtm_thread::thread_num): Removed.
779         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
780         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
781         tx-to-thread renaming.
782         * beginend.cc: Adapted to tx-to-thread renaming.
783         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
784         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
785         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
786         gtm_transaction to gtm_thread.
787         (_ITM_getThreadnum): Removed. Not supported anymore.
788         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
789         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
790         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
791         gtm_tx-to-gtm_thr renaming if necessary.
792         * eh_cpp.cc: Same.
793         * local.cc: Same.
794         * retry.cc: Same.
795         * clone.cc: Same.
796         * alloc.cc: Same.
797         * alloc_c.cc: Same.
798         * alloc_cpp.cc: Same.
799         * method-serial.cc: Same.
800         * config/generic/tls.cc: Same.
801         * config/posix/rwlock.h (gtm_rwlock): Same.
802         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
804 2011-08-12  Torvald Riegel  <triegel@redhat.com>
806         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
807         implementation.
808         (gtm_rwlock::read_unlock): Same.
809         (gtm_rwlock::write_lock_generic): New. Generalized from ...
810         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
811         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
812         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
813         w_upgrade. Replaced by per-transaction flags (in shared_state).
814         Added c_confirmed_writers.
815         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
816         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
817         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
818         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
819         * beginend.cc (GTM::gtm_transaction::begin_transaction,
820         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
821         * libitm.texi: Document locking conventions and implementations in
822         libitm.
824 2011-08-12  Torvald Riegel  <triegel@redhat.com>
826         * libitm_i.h (next_tx): Add list of all threads' transaction.
827         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
828         transaction with list of transactions and ...
829         (thread_exit_handler): ... deregister here.
830         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
831         * config/x86/target.h: Same.
833 2011-08-12  Torvald Riegel  <triegel@redhat.com>
835         * testsuite/libitm.c++/static_ctor.C: New file.
837 2011-08-12  Torvald Riegel  <triegel@redhat.com>
839         * testsuite/libitm.c/reentrant.c: New file.
841 2011-08-12  Torvald Riegel  <triegel@redhat.com>
843         * config/generic/tls.h: Remove the free list for transactions and ...
844         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
845         (GTM::gtm_transaction::operator delete): ... and release here.
846         (thread_exit_handler): New. Delete tx when thread terminates.
847         (thread_exit_init): New.
848         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
849         * testsuite/libitm.c/txrelease.c: New file.
851 2011-08-12  Torvald Riegel  <triegel@redhat.com>
853         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
854         * testsuite/libitm.c/notx.c: New file.
856 2011-08-12  Torvald Riegel  <triegel@redhat.com>
858         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
859         * libitm_i.h (local_tid): ... to here.
860         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
861         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
863 2011-08-12  Torvald Riegel  <triegel@redhat.com>
865         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
866         serialirr_onwrite_dispatch as new default for now.
867         * method-serial.cc (serialirr_onwrite_dispatch): New.
868         (GTM::dispatch_serialirr_onwrite): New.
869         * libitm_i.h: Same.
871 2011-08-12  Torvald Riegel  <triegel@redhat.com>
873         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
874         * query.cc (_ITM_getTransactionId): There is no active transaction if
875         the current nesting level is zero.
877 2011-07-28  Torvald Riegel  <triegel@redhat.com>
879         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
880         rollback.
882 2011-07-28  Torvald Riegel  <triegel@redhat.com>
884         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
885         transaction properties from the caller instead of from the
886         transaction object.
887         * libitm_i.h: Same.
888         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
890 2011-07-28  Torvald Riegel  <triegel@redhat.com>
892         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
893         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
894         * dispatch.h: Same.
895         * method-serial.cc: Same.
896         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
897         flat nesting as default, and closed nesting on demand.
898         (GTM::gtm_transaction::rollback): Same.
899         (_ITM_abortTransaction): Same.
900         (GTM::gtm_transaction::restart): Same.
901         (GTM::gtm_transaction::trycommit): Same.
902         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
903         (choose_code_path): New.
904         (GTM::gtm_transaction_cp::save): New.
905         (GTM::gtm_transaction_cp::commit): New.
906         * query.cc (_ITM_inTransaction): Support flat nesting.
907         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
908         (GTM::gtm_transaction): Support flat and closed nesting.
909         * alloc.cc (commit_allocations_2): New.
910         (commit_cb_data): New helper struct.
911         (GTM::gtm_transaction::commit_allocations): Handle nested
912         commits/rollbacks.
913         * libitm.texi: Update user action section, add description of nesting.
915 2011-07-28  Torvald Riegel  <triegel@redhat.com>
917         * libitm_i.h: Add closed nesting as restart reason.
918         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
920 2011-07-28  Torvald Riegel  <triegel@redhat.com>
922         * useraction.cc: Use vector instead of list to store actions.
923         Also support partial rollbacks for closed nesting.
924         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
925         * beginend.cc: Same.
927 2011-07-28  Torvald Riegel  <triegel@redhat.com>
929         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
930         closed_nesting flags, as well as a closed nesting alternative.
931         * method-serial.cc: Same.
932         (serial_dispatch): Renamed to serialirr_dispatch.
933         (GTM::dispatch_serialirr): Same.
934         (serial_dispatch_ul): Renamed to serial_dispatch.
935         (GTM::dispatch_serial): Same.
937 2011-07-28  Torvald Riegel  <triegel@redhat.com>
939         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
941 2011-07-28  Torvald Riegel  <triegel@redhat.com>
943         * aatree.h (aa_tree::remove): New.
944         (aa_tree::operator new): Add placement new.
946 2011-07-02  Torvald Riegel  <triegel@redhat.com>
948         * containers.h: New file.
949         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
950         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
951         * common.h: ... to here.
952         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
953         * local.cc: Same.
955 2011-06-30  Torvald Riegel  <triegel@redhat.com>
957         * libitm_i.h (STATE_ABORTING): Remove.
958         * beginend.cc (_ITM_abortTransaction): Same.
959         (GTM::gtm_transaction::trycommit_and_finalize): Same.
960         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
961         (_ITM_rollbackTransaction): Remove.
962         * beginend.cc: Same.
963         * libitm.map: Same.
964         * libitm.texi: Document these ABI changes.
966 2011-06-30  Torvald Riegel  <triegel@redhat.com>
968         * libitm.texi: New file.
969         * Makefile.am: Add libitm.texi.
970         * Makefile.in: Rebuild.
972 2011-06-30  Torvald Riegel  <triegel@redhat.com>
974         * libitm_i.h: Move parts to common.h and dispatch.h.
975         * common.h: New file.
976         * dispatch.h: New file, new dispatch class.
977         Rename GTM::abi_dispatch::lock_type to ls_modifier.
978         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
979         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
980         decision to retry.cc.
981         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
982         only.
983         (GTM::gtm_transaction::decide_begin_dispatch): Same.
984         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
985         logging.
986         * barrier.cc: Use new barriers definitions.
987         (abi_dispatch::memmove_overlap_check): New.
988         * config/x86/x86_sse.cc: Same.
989         * config/x86/x86_avx.cc: Same.
990         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
991         memcpy.cc.
992         * Makefile.in: Rebuild.
993         * method-readonly.cc: Remove.
994         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
995         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
997 2011-06-30  Torvald Riegel  <triegel@redhat.com>
999         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1000         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1001         * testsuite/libitm.c/dropref-2.c: Same.
1002         * testsuite/libitm.c/dropref.c: Same.
1004 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1006         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1007         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1008         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1009         * alloc_c.cc: Same.
1010         * barrier.tpl: Same.
1011         * beginend.c: Same.
1012         * config/generic/tls.h: Same.
1013         * config/x86/tls.h: Same.
1014         * libitm_i.h: Same.
1015         * memcpy.cc: Same.
1016         * memset.cc: Same.
1017         * method-readonly.cc: Same.
1018         * method-serial.cc: Same.
1019         * method-wbetl.cc: Same.
1020         * retry.cc: Same.
1022 2011-03-03  Richard Henderson  <rth@redhat.com>
1024         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1025         From Patrik Marlier <patrick.marlier@unine.ch>.
1027 2011-02-03  Richard Henderson  <rth@redhat.com>
1029         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1030         * configure.ac: Use it.
1031         * configure, config.h.in: Rebuild.
1032         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1033         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1034         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1035         * libitm.map: Use wildcards to match size_t mangling.
1037 2010-12-14  Richard Henderson  <rth@redhat.com>
1039         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1040         blocks of TIDs per thread.
1041         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1042         (setup_gtm_thr): Return the thread structure.
1043         * config/x86/tls.h (setup_gtm_thr): Likewise.
1045 2010-12-14  Richard Henderson  <rth@redhat.com>
1047         * clone.cc (table_lock): Remove.
1048         (find_clone): Don't take it.
1049         (ExcludeTransaction): New helper class.
1050         (_ITM_registerTMCloneTable): Use it.
1051         (_ITM_deregisterTMCloneTable): Likewise.
1053 2010-12-14  Richard Henderson  <rth@redhat.com>
1055         * config/x86/tls.h: New file.
1057 2010-07-15  Richard Henderson  <rth@redhat.com>
1059         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1060         * Makefile.in: Rebuild.
1062 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1064         * method-wbetl.cc (trydropreference): Fix source line.
1066 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1068         * libitm.h: Add comment.
1069         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1071 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1073         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1074         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1075         available, use pthread mutexes.
1076         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1077         * config.h.in: Regenerate.
1078         * configure: Regenerate.
1080 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1082         * libitm.h (ITM_PURE): Define.
1083         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1085 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1087         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1088         (validate): Add comment.
1089         (trydropreference): New.
1090         * method-readonly.cc (class readonly_dispatch): Add
1091         trydropreference.
1092         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1093         Call trydropreference().
1094         * libitm.h (_ITM_dropReferences): Remove const attribute.
1095         * method-serial.cc (class serial_dispatch): Add trydropreference.
1096         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1098 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1100         * memcpy.cc (do_memcpy): Comment.
1102 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1104         * barrier.tpl: Add comments throughout.
1106 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1108         * method-wbetl.cc (struct w_entry): Add comments.
1109         (trycommit): Same.
1110         (rollback): Same.
1112 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1114         * alloc_c.cc (_ITM_dropReferences): New.
1115         * libitm.map (_ITM_dropReferences): Add.
1116         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1117         * libitm_i.h (struct gtm_transaction): Declare
1118         drop_references_allocations and drop_references_local.
1119         * local.cc (rollback_local): Ignore memory when applicable.
1120         (drop_references_local): New.
1122 2010-06-23  Richard Henderson  <rth@redhat.com>
1124         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1125         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1126         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1127         * config/alpha/target.h: Likewise.
1128         * config/generic/tls.cc (gtm_mask_stack): Use it.
1130 2010-06-23  Richard Henderson  <rth@redhat.com>
1132         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1133         a mutex instead of trying a lock-free compare-and-swap on the list.
1134         (gtm_cacheline_page::operator delete): Likewise.
1136 2010-06-16  Richard Henderson  <rth@redhat.com>
1138         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1139         that overlap the libitm stack.
1140         * barrier.tpl: Mark incoming stack.
1141         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1142         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1143         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1144         * memcpy.cc, memset.cc: Likewise.
1145         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1146         * config/generic/tls.h (gtm_thread): Add stack_top member.
1147         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1148         * libitm_i.h (gtm_mask_stack): Declare.
1149         * config/generic/tls.cc: New file.
1150         * Makefile.am (libitm_la_SOURCES): Add it.
1151         (AM_CXXFLAGS): Turn off exceptions.
1152         * Makefile.in: Rebuild.
1154 2010-06-16  Richard Henderson  <rth@redhat.com>
1156         * alloc.cc (struct gtm_alloc_action): Move definition ...
1157         * libitm_i.h: ... here.
1158         (class gtm_transaction): Declare new and delete.
1159         * beginend.cc (alloc_tx): Reformulate as operator new.
1160         (free_tx): Reformulate as operator delete.
1161         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1163 2010-06-11  Richard Henderson  <rth@redhat.com>
1165         * clone.cc (clone_entry_compare): Fix typo.
1166         From Patrik Marlier <patrick.marlier@unine.ch>.
1168 2010-05-13  Richard Henderson  <rth@redhat.com>
1170         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1171         in extern "C".
1173 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1175         * libitm_i.h (struct gtm_transaction): Remove
1176         get_allocation_size.
1177         (record_allocation): Remove size parameter.
1178         * libitm.map (_ITM_realloc): Remove.
1179         * alloc_c.cc (_ITM_realloc): Remove.
1180         (_ITM_malloc): Remove size argument to record_allocation.
1181         (_ITM_calloc): Same.
1182         * alloc_cpp.cc (_ZGTtnwm): Same.
1183         (_ZGTtnwmRKSt9nothrow_t): Same.
1184         (_ZGTtnam): Same.
1185         (_ZGTtnamRKSt9nothrow_t): Same.
1186         * alloc.cc (struct gtm_alloc_action): Remove size.
1187         (get_allocation_size): Remove.
1188         (commit_allocations): Add comment.
1189         (record_allocation): Remove size parameter.
1190         (forget_allocation): Remove set of size.
1192 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1194         * Makefile.am (abi_version): New.
1195         (AM_CXXFLAGS): Pass abi_version.
1196         * Makefile.in: Regenerate.
1197         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1199 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1201         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1202         _ITM_getTMCloneOrIrrevokable.
1203         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1204         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1206 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1208         * configure.ac: Remove Linux futex support.
1209         * configure.tgt (config_path): Same.
1210         * Makefile.am: Same.
1211         * config/linux: Remove entire directory.
1212         * configure: Rebuild.
1213         * Makefile.in: Rebuild.
1214         * testsuite/Makefile.in: Rebuild.
1216 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1218         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1219         switching to serial mode.
1220         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1222 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1224         * configure.tgt: Add emacs -*- tags.
1225         * barrier.tpl: Same.
1227 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1229         * Makefile.am: Rename serial.cc to method-serial.cc.
1230         * Makefile.in: Regenerate with automake 1.11.1.
1231         * testsuite/Makefile.in: Same.
1232         * aclocal.m4: Regenerate with aclocal 1.11.1.
1233         * method-serial.cc: Rename from serial.cc.
1234         * libitm_i.h (struct gtm_transaction): Update comment on
1235         serialirr_mode.
1237 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1239         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1240         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1242 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1244         * configure: Rebuild.
1246 2009-11-12  Richard Henderson  <rth@redhat.com>
1248         * Rewrite everything in C++.
1250 2009-11-03  Richard Henderson  <rth@redhat.com>
1252         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1253         * Makefile.am (libitm_la_SOURCES): Add them.
1254         * configure.ac (ARCH_X86): New conditional.
1255         * Makefile.in, configure: Rebuild.
1256         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1257         Move futex setup into "other system configury" case.
1258         * local.c (rollback_local): Merge into ...
1259         (GTM_rollback_local): ... here.
1260         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1261         (_ITM_LB): Define as an alias to GTM_LB.
1263 2009-11-03  Richard Henderson  <rth@redhat.com>
1265         * method-readonly.c: New file.
1266         * Makefile.am (libitm_la_SOURCES): Add it.
1267         * Makefile.in: Rebuild.
1268         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1269         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1270         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1271         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1272         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1273         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1274         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1275         gtm_get_clock, gtm_inc_clock): New.
1276         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1277         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1278         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1279         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1280         replace uses with new libitm_i.h symbols.
1281         (dispatch_wbetl): Rename from wbetl_dispatch.
1282         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1283         away from dispatch_readonly; abort if the beginTransaction call
1284         asserted that the transaction was readonly.
1286 2009-11-03  Richard Henderson  <rth@redhat.com>
1288         * memset.c: New file.
1289         * Makefile.am (libitm_la_SOURCES): Add it.
1290         * Makefile.in: Rebuild.
1291         * testsuite/libitm.c/memset-1.c: New.
1293 2009-11-03  Richard Henderson  <rth@redhat.com>
1295         * dispatch.c: Remove file.
1296         * useraction.c (struct gtm_user_action): Move from libitm.h.
1297         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1298         (serial_memset, serial_memmove, serial_memcpy): Remove.
1299         (serial_W*, serial_R*): Remove.
1300         (serial_dispatch): Update to match.
1301         * configure.ac: Move Werror down below configure checks.  Don't
1302         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1303         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1304         Use GCC_AC_FUNC_MMAP_BLACKLIST
1305         * libitm.h: Split out all internal items to...
1306         * libitm_i.h: ... here.  New file.
1307         * copymask.c: New file.
1308         * local.c (struct gtm_local_undo): Move from libitm.h.
1309         (GTM_alloc_local): Rename from alloc_local; export.
1310         * memcpy.c: New file.
1311         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1312         * config/posix/page.c: New file.
1313         * config/posix/target_tls.h: Remove file.
1314         * barrier.c: New file.
1315         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1316         copymask.c, page.c.
1317         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1318         * method-wbetl.c: Rewrite for new cacheline methods.
1319         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1321         * config/alpha/sjlj.S: Fix typo.
1322         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1323         * config/alpha/copymask.c: New file.
1324         * config/alpha/target.h (CACHELINE_SIZE): New.
1325         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1327         * config/x86/target_i.h: Copy functions from x86/target.h.
1328         * config/x86/copymask.c: New file.
1329         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1330         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1331         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1332         * config/x86/target_tls.h: Move contents to target_i.h.
1334         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1335         * testsuite/libitm.c/memcpy-1.c: New.
1337 2009-10-22  Richard Henderson  <rth@redhat.com>
1339         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1340         (AM_CCASFLAGS): New.
1341         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1342         saving/restoring _AC_ARG_VAR_PRECIOUS.
1343         * Makefile.in, aclocal.m4, config.h.in, configure,
1344         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1346 2009-10-22  Richard Henderson  <rth@redhat.com>
1348         * testsuite/*: Update for new compiler syntax.
1350 2009-10-21  Richard Henderson  <rth@redhat.com>
1352         * libitm.h (_ITM_abortReason): Add outerAbort.
1354 2009-08-03  Richard Henderson  <rth@redhat.com>
1356         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1357         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1358         * method-wbetl.c (struct w_entry): Remove mask.
1359         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1360         adjust all callers.
1362 2009-07-22  Richard Henderson  <rth@redhat.com>
1364         * eh_cpp.c: New file.
1365         * Makefile.am (libitm_la_SOURCES): Add it.
1366         * Makefile.in: Rebuild.
1367         * beginend.c (GTM_rollback_transaction): Undo exception state.
1368         (GTM_trycommit_transaction): Mark inline.
1369         (GTM_trycommit_and_finalize_transaction): Split out from ...
1370         (_ITM_commitTransaction): ... here.
1371         (_ITM_commitTransactionEH): New function.
1372         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1373         cxa_unthrown, eh_in_flight; reorder.
1375         * testsuite/libitm.c++/c++.exp: New.
1376         * testsuite/libitm.c++/eh-1.C: New.
1378         * aatree.c (aa_free): Remove REGPARM.
1379         * aatree.h: Remove all REGPARM.
1381 2009-07-18  Richard Henderson  <rth@redhat.com>
1383         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1384         * Makefile.am (libitm_la_SOURCES): Add them.
1385         * Makefile.in: Rebuild.
1386         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1387         (GTM_trycommit_transaction): Likewise.
1388         * libitm.h: Include aatree.h
1389         (struct gtm_alloc_action): New.
1390         (struct gtm_transaction): Add alloc_actions.
1391         (GTM_record_allocation, GTM_forget_allocation): Declare.
1392         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1393         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1394         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1395         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1396         _ZGTtdaPvRKSt9nothrow_t): Export.
1398 2009-07-18  Richard Henderson  <rth@redhat.com>
1400         * target_tls.h: Move ...
1401         * config/posix/target_tls.h: ... here.
1403 2009-07-07  Richard Henderson  <rth@redhat.com>
1405         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1407 2009-07-07  Richard Henderson  <rth@redhat.com>
1409         * Update to GPL3.
1411 2009-07-07  Richard Henderson  <rth@redhat.com>
1413         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1414         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1416         * configure.tgt: Don't use -ftls-model for x86 linux.
1417         * libitm.h: Include target.h after standard includes.
1418         (_gtm_thr): Rename from gtm_thr.
1419         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1420         (gtm_disp, set_gtm_disp): New.
1421         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1422         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1423         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1425 2009-07-07  Richard Henderson  <rth@redhat.com>
1427         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1429 2009-07-06  Richard Henderson  <rth@redhat.com>
1431         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1432         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1433         (_ITM_beginTransaction): Take variadic arguments.
1434         (_ITM_registerThrownObject): Declare.
1435         * beginend.c, serial.c: Update.
1436         * libitm.map: Add _ITM_registerThrownObject.
1438 2009-01-28  Richard Henderson  <rth@redhat.com>
1440         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1441         * Makefile.in: Rebuild.
1442         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1443         (GTM_restart_transaction): Fix uninstrumented code check.
1444         * retry.c (GTM_decide_retry_strategy): Add serial check.
1445         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1446         automatically go irrevokable when in serial mode.
1447         * clone.c: New file.
1448         * libitm.h, libitm.map: Update.
1450 2009-01-27  Richard Henderson  <rth@redhat.com>
1452         * Makefile.am (LTCCASCOMPILE): Define.
1453         (libitm_la_SOURCES): Add methid-wbetl.c.
1454         * testsuite/Makefile.am: New
1455         * configure.ac: Add testsuite/Makefile.
1456         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1457         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1458         (_ITM_abortTransaction): Finalize implementation method; pass
1459         transaction properties to longjmp.
1460         (GTM_restart_transaction): Split out from ...
1461         (_ITM_commitTransaction): ... here.
1462         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1463         Move to config/x86/target.h.
1464         * config/linux/alpha/futex_bits.h: New.
1465         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1466         * config/x86/target.h: Disable target types for 32-bit.
1467         * config/alpha/sjlj.S, config/alpha/target.h: New.
1468         * libitm.h (struct gtm_dispatch): Add init, fini.
1469         (enum restart_reason): New.
1470         (struct gtm_transaction): Add method and restarts.
1471         * retry.c (GTM_decide_retry_strategy): Implement.
1472         * serial.c (serial_init, serial_fini): New.
1473         (GTM_serialmode): Finialize outgoing method.
1474         * method-wbetl.c: New.
1476 2008-12-09  Richard Henderson  <rth@redhat.com>
1478         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1479         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1480         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1481         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1482         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1483         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1484         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1485         * serial.c (serial_R##T, serial_W##T): Likewise.
1487 2008-11-21  Richard Henderson  <rth@redhat.com>
1489         * Initial commit.