* g++.dg/ext/mv14.C (dg-options): Add -march=x86-64.
[official-gcc.git] / libitm / ChangeLog
blob17bb0a66448bc1108694fac8490d85ab28c75b62
1 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
4         -mclear-hwcap instead.
5         * configure: Regenerate.
6         * clearcap.map: Remove.
8 2014-05-21  John Marino  <gnugcc@marino.st>
10         * configure.tgt (*-*-dragonfly*): New target.
12 2014-05-19  Richard Henderson  <rth@redhat.com>
14         * config/aarch64/sjlj.S: New file.
15         * config/aarch64/target.h: New file.
16         * configure.tgt: Enable aarch64.
18 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20         * config/generic/asmcfi.h: Also check for
21         __GCC_HAVE_DWARF2_CFI_ASM.
23 2013-04-02  Richard Henderson  <rth@redhat.com>
25         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
26         * config/arm/target.h, config/sh/target.h: Likewise.
27         * config/sparc/target.h, config/x86/target.h: Likewise.
29 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
31         * config/linux/futex_bits.h: Include errno.h.
32         (sys_futex0): If syscall returns -1, return -errno rather than
33         -1.
35 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
37         * libitm.texi (Index): Rename to Library Index.
39 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
41         PR libitm/53113
42         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
43         (x86_avx.lo): Append -mavx to CXXFLAGS.
44         * Makefile.in: Regenerate.
46 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
48         Update copyright years
50 2014-01-02  Tobias Burnus  <burnus@net-b.de>
52         * libitm.texi: Bump @copying's copyright year.
54 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
56         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
57         (FUNC): Define ELFv2 variant.
58         (END): Likewise.
59         (HIDDEN): Likewise.
60         (CALL): Likewise.
61         (BASE): Likewise.
62         (LR_SAVE): Likewise.
64 2013-09-20  Alan Modra  <amodra@gmail.com>
66         * configure: Regenerate.
68 2013-08-30  Torvald Riegel  <triegel@redhat.com>
70         * config/posix/rwlock.cc: Fix initialization order.
72 2013-08-30  Torvald Riegel  <triegel@redhat.com>
74         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
75         (htm_fastpath): Assign an asm name.
76         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
77         HTM fast paths.
78         (_ITM_actions): Likewise.
79         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
80         x86_64.
81         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
82         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
83         field to the start of the structure.
84         * config/linux/rwlock.h (gtm_rwlock): Update comments.
85         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
86         handling for custom HTM fast paths.
88 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
89         Revert:
90         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
92         * configure.tgt: Add -msoft-float to XCFLAGS.
94 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
96         * configure.tgt: Add -msoft-float to XCFLAGS.
98 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
100         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
101         (htm_transaction_active): Enable zEC12 instructions in the
102         assembler.
103         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
105 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
107         * acinclude.m4: Add htm asm check for s390.
108         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
109         * configure: Regenerate.
110         * config/s390/target.h: Remove __HTM__ check.
111         (htm_available): Call getauxval to get hwcaps and check whether
112         HTM is available or not.
114 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
116         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
117         * configure.ac: Use it.
118         (AC_CHECK_HEADERS): Check for sys/auxv.h.
119         (AC_CHECK_FUNCS): Check for getauxval.
120         * config.h.in, configure: Rebuild.
121         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
122         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
123         (USE_HTM_FASTPATH): Define.
124         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
125         _HTM_RETRIES) New macros.
126         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
127         htm_begin_success, htm_commit, htm_transaction_active): New functions.
129 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
131         * config/s390/target.h: Include htmintrin.h.
132         (_HTM_ITM_RETRIES): New macro definition.
133         (htm_available, htm_init, htm_begin, htm_begin_success)
134         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
136 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
137             Cesar Philippidis  <cesar@codesourcery.com>
139         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
140         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
141         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
142         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
144 2013-06-20  Torvald Riegel  <triegel@redhat.com>
146         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
147         (_ITM_getTransactionId): Same.
148         * config/x86/target.h (htm_transaction_active): New.
150 2013-06-20  Torvald Riegel  <triegel@redhat.com>
152         PR libitm/57643
153         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
154         the HTM fastpath.
156 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
158         PR bootstrap/56714
159         * local_atomic (__always_inline): Always define our version.
160         (__calculate_memory_order): Mark inline.
161         (atomic_thread_fence): Ditto.
162         (atomic_signal_fence): Ditto.
163         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
164         (atomic_bool::atomic_flag_clear_explicit): Ditto.
165         (atomic_bool::atomic_flag_test_and_set): Ditto.
166         (atomic_bool::atomic_flag_clear): Ditto.
168 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
170         * config/s390/sjlj.S: New file.
171         * config/s390/target.h: New file.
172         * configure.tgt: Set options for S/390.
174 2013-03-23  Andi Kleen  <ak@linux.intel.com>
176         * local_atomic (__always_inline): Add.
177         (__calculate_memory_order, atomic_thread_fence,
178          atomic_signal_fence, test_and_set, clear, store, load,
179          exchange, compare_exchange_weak, compare_exchange_strong,
180          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
181         Add __always_inline to force inlining.
183 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
184             Jack Howarth  <howarth@bromo.med.uc.edu>
185             Patrick Marlier  <patrick.marlier@gmail.com>
187         PR libitm/55693
188         * alloc_cpp.cc: Enable function declarations on darwin.
189         * eh_cpp.cc: Likewise.
191 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
193         Update copyright years.
195 2012-11-09  Torvald Riegel  <triegel@redhat.com>
197         * beginend.cc (htm_fastpath): New.
198         (gtm_thread::begin_transaction, _ITM_commitTransaction,
199         _ITM_commitTransactionEH): Add HTM fastpath handling.
200         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
201         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
202         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
203         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
204         * configure.tgt: Add -mrtm to XCFLAGS.
205         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
206         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
207         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
208         * retry.cc (parse_default_method): Add HTM method parsing.
209         (gtm_thread::number_of_threads_changed): Use HTM by default if
210         available.
212 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
214         * configure: Regenerate.
216 2012-10-31  Richard Henderson  <rth@redhat.com>
218         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
219         * configure.ac: Use it.
220         * config.h.in, configure: Rebuild.
221         * testsuite/Makefile.in: Rebuild.
223 2012-10-24  Torvald Riegel  <triegel@redhat.com>
225         * libitm.texi: Clarify ABI requirements for data-logging functions.
227 2012-10-24  Torvald Riegel  <triegel@redhat.com>
229         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
230         it requires serial mode instead of assuming that for certain
231         dispatchs.
232         * dispatch.h (abi_dispatch::requires_serial): New.
233         (abi_dispatch::abi_dispatch): Adapt.
234         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
235         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
236         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
237         serial_dispatch::serial_dispatch,
238         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
240 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
242         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
243         and ia32 declarations some more.
244         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
246 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
248         PR other/43620
249         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
250         * configure: Regenerate.
251         * Makefile.in: Regenerate.
253 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
255         * configure: Regenerated.
257 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
259         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
261 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
263         * eh_cpp.cc: Fix __cxa_end_catch declaration.
265 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
267         * configure: Regenerated.
269 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
271         PR libitm/52854
272         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
273         for x86-64.
275 2012-04-03  Tristan Gingold  <gingold@adacore.com>
277         * configure: Regenerate.
279 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
281         PR bootstrap/52812
282         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
284 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
286         * testsuite/lib/libitm.exp: load fortran-modules.exp
288 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
290         * configure.tgt (*-*-irix6*): Remove.
292 2012-03-13  Torvald Riegel  <triegel@redhat.com>
294         PR libitm/52526
295         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
296         wake-up.
298 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
300         * configure.tgt (*-*-osf*): Remove.
301         * configure: Regenerate.
303 2012-03-05  Torvald Riegel  <triegel@redhat.com>
305         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
306         memtransfer/memset if size isn't larger than zero.
308 2012-03-02  Torvald Riegel  <triegel@redhat.com>
310         * libitm.texi: Link to specification and add a usage example.
312 2012-02-24  Torvald Riegel  <triegel@redhat.com>
314         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
315         default dispatch for more than 1 thread to ml_wt.
317 2012-02-20  Torvald Riegel  <triegel@redhat.com>
319         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
321 2012-02-20  Torvald Riegel  <triegel@redhat.com>
323         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
325 2012-02-20  Torvald Riegel  <triegel@redhat.com>
327         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
328         serial mode corner cases made obsolete by prior gtm_rwlock changes.
329         (gl_wt_dispatch.rollback): Same.
331 2012-02-20  Torvald Riegel  <triegel@redhat.com>
333         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
335 2012-02-20  Torvald Riegel  <triegel@redhat.com>
337         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
338         for RfW src.  Optimize number of calls to gtm_thr.
340 2012-02-20  Torvald Riegel  <triegel@redhat.com>
342         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
343         acquisition to ...
344         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
345         (default_dispatch): Make atomic.
346         (GTM::gtm_thread::set_default_dispatch): Access atomically.
347         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
348         use decide_begin_dispatch() if default_dispatch might have changed.
349         (GTM::gtm_thread::number_of_threads_changed): Initialize
350         default_dispatch here.
352 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
353             Patrick Marlier  <patrick.marlier@gmail.com>
355         PR libitm/52220
356         * alloc_cpp.cc: No dummy definitions for darwin.
357         * eh_cpp.cc: Likewise.
359 2012-02-14  Richard Henderson  <rth@redhat.com>
361         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
363 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
365         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
367 2012-02-14  Torvald Riegel  <triegel@redhat.com>
369         * libitm_i.h (GTM::gtm_rwlog_entry): New.
370         (GTM::gtm_thread): Add read and write logs.
371         (GTM::dispatch_ml_wt): Declare.
372         * retry.cc (parse_default_method): Support ml_wt.
373         * method-ml.cc: New file.
374         * Makefile.am: Add method-ml.cc.
375         * Makefile.in: Regenerate.
377 2012-02-14  Torvald Riegel  <triegel@redhat.com>
379         * dispatch.h (GTM::abi_dispatch::supports): New.
380         (GTM::method_group::reinit): New.
381         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
382         (GTM::gtm_thread::number_of_threads_changed): Check that the method
383         supports the current situation.
385 2012-02-14  Torvald Riegel  <triegel@redhat.com>
387         * util.cc (GTM::xcalloc): New.
388         * common.h (GTM::xcalloc): Declare.
390 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
392         * config/sparc/target.h (cpu_relax): Read from CC register.
393         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
395 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
397         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
399 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
401         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
402         * config/sparc/cacheline.h: New file.
403         * config/sparc/target.h: Likewise.
404         * config/sparc/sjlj.S: Likewise.
405         * config/linux/sparc/futex_bits.h: Likewise.
407 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
409         * configure.ac (link_itm): Fix comment.
410         * configure: Regenerate.
411         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
413 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
415         PR libitm/51822
416         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
417         Correct libgomp references.
419 2012-01-24  Torvald Riegel  <triegel@redhat.com>
421         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
422         wake-up.
424 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
426         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
427         end of structure.
428         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
429         offset values.  Do not copy return address.  Decrement stack
430         by 56 bytes only.
431         (GTM_longjump) [__x86_64__]: Update offset values.
433 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
435         PR libitm/51830
436         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
437         the first function argument to %eax.
439 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
441         * libitm.h (_ITM_getThreadnum): Remove.
442         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
444 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
446         * clearcap.map: New file.
447         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
448         * configure.ac: Call it.
449         Clear HWCAP_LDFLAGS if defaulting to -mavx.
450         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
451         * configure: Regenerate.
452         * Makefile.in: Regenerate.
453         * testsuite/Makefile.in: Regenerate.
455 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
457         PR libitm/51173
458         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
459         include, exclude options.
461 2012-01-14  Torvald Riegel  <triegel@redhat.com>
463         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
464         rolling back.
465         * containers.h (GTM::vector::set_size): New.
467 2012-01-14  Torvald Riegel  <triegel@redhat.com>
469         PR libitm/51855
470         * config/generic/tls.h (GTM::mask_stack_top): New.
471         (GTM::mask_stack_bottom): Declare.
472         * config/generic/tls.c (GTM::mask_stack_bottom): New.
473         * local.cc (gtm_undolog::rollback): Filter out any updates that
474         overlap the libitm stack.  Add current transaction as parameter.
475         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
476         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
477         * testsuite/libitm.c/stackundo.c: New test.
479 2012-01-10  Richard Henderson  <rth@redhat.com>
481         * libitm_i.h (_Unwind_DeleteException): Declare weak.
482         * eh_cpp.cc (_Unwind_DeleteException): Define for
483         !HAVE_ELF_STYLE_WEAKREF.
485 2012-01-08  Torvald Riegel  <triegel@redhat.com>
487         * local.cc (GTM_LB): Use GTM::gtm_undolog.
488         (GTM::gtm_thread::drop_references_undolog): Remove.
489         (GTM::gtm_thread::commit_undolog,
490         GTM::gtm_thread::rollback_undolog): Move to ...
491         * libitm_i.h (GTM::gtm_undolog): ...here. New.
492         (GTM::gtm_undolog_entry): Remove.
493         (GTM::gtm_thread): Adapt.
494         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
495         (GTM::gtm_thread::trycommit): Adapt.
496         * method-serial.cc (serial_dispatch::log): Adapt.
497         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
498         (gl_wt_dispatch::store): Fix likely/unlikely.
499         * containers.h (GTM::vector::resize): Add additional_capacity
500         parameter and handle it.
501         (GTM::vector::resize_noinline): New/adapt.
502         (GTM::vector::push): New.
504 2012-01-06  Richard Henderson  <rth@redhat.com>
506         * configure.tgt: Support powerpc-linux and powerpc-darwin.
507         * config/linux/powerpc/futex_bits.h: New file.
508         * config/powerpc/cacheline.h: New file.
509         * config/powerpc/sjlj.S: New file.
510         * config/powerpc/target.h: New file.
511         * config/generic/asmcfi.h (cfi_offset): New.
512         (cfi_restore, cfi_undefined): New.
514 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
516         PR other/51171
517         * testsuite/libitm.c/reentrant.c: Remove xfail.
518         (thread): Pass x to pure().
519         From Patrik Marlier <patrick.marlier@gmail.com>.
521 2011-12-24  Torvald Riegel  <triegel@redhat.com>
523         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
524         privatization safety if already in serial mode.
526 2011-12-24  Torvald Riegel  <triegel@redhat.com>
528         * beginend.cc (GTM::gtm_thread::restart): Add and handle
529         finish_serial_upgrade parameter.
530         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
531         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
532         Don't unset reader flag.
533         (GTM::gtm_rwlock::write_upgrade_finish): New.
534         * config/posix/rwlock.cc: Same.
535         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
536         Declare.
537         * config/posix/rwlock.h: Same.
538         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
539         flag after commit or after rollback when restarting.
541 2011-12-24  Torvald Riegel  <triegel@redhat.com>
543         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
544         (GTM::gtm_thread::try_commit): Changed memory order.
545         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
546         as parameter.
547         * config/linux/x86/futex_bits.h (sys_futex0): Same.
548         * config/linux/sh/futex_bits.h (sys_futex0): Same.
549         * config/linux/futex_bits.h (sys_futex0): Same.
550         * config/linux/futex.cc (futex_wait, futex_wake): Same.
551         * config/linux/futex.h (futex_wait, futex_wake): Same.
552         * config/linux/rwlock.h (gtm_rwlock::writers,
553         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
554         ints.
555         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
556         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
557         gtm_rwlock::write_unlock): Fix memory orders and fences.
558         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
559         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
560         gtm_rwlock::write_unlock): Same.
561         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
562         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
563         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
564         Add comments.
565         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
566         gl_wt_dispatch::load, gl_wt_dispatch::store,
567         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
568         orders and fences.  Add comments.
570 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
572         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
573         * Makefile.in: Regenerated.
575 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
577         * configure.tgt: Add sh* case.
578         * config/sh/target.h: New file.
579         * config/sh/sjlj.S: New file.
580         * config/linux/sh/futex_bits.h: New file.
582 2011-12-14  Richard Henderson  <rth@redhat.com>
584         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
585         * config/arm/sjlj.S, config/arm/target.h: New files.
586         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
587         (cfi_rel_offset): New.
588         * config/linux/futex_bits.h: New file.
589         * config/linux/futex.cc: Include futex_bits.h here...
590         * config/linux/futex.h: ... not here.
591         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
592         * configure.ac (ARCH_AM): New conditional.
593         * Makefile.in, configure: Rebuild.
594         * configure.tgt: Handle ARM.
596 2011-12-13  Richard Henderson  <rth@redhat.com>
598         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
599         signed/unsigned comparison werror.
601         * local_atomic: New file.
602         * libitm_i.h: Include it.
603         (gtm_thread::shared_state): Use atomic template.
604         * beginend.cc (GTM::gtm_clock): Use atomic template.
605         (global_tid): Use atomic template if 64-bit atomics available.
606         (gtm_thread::gtm_thread): Update shared_state access.
607         (gtm_thread::trycommit): Likewise.
608         (choose_code_path): Update global_tid access.
609         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
610         * stmlock.h (GTM::gtm_clock): Use atomic template.
611         (gtm_get_clock, gtm_inc_clock): Update accesses.
612         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
613         redundant __sync_synchronize after atomic shared_state access.
614         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
615         (gtm_rwlock::write_lock_generic): Likewise.
616         (gtm_rwlock::read_unlock): Likewise.
617         * config/alpha/target.h (atomic_read_barrier): Remove.
618         (atomic_write_barrier): Remove.
619         * config/x86/target.h (atomic_read_barrier): Remove.
620         (atomic_write_barrier): Remove.
622 2011-11-30  Richard Henderson  <rth@redhat.com>
624         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
625         * beginend.c (_ITM_abortTransaction): Update to match.
626         (GTM::gtm_thread::restart): Likewise.
627         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
628         * config/x86/sjlj.S (GTM_longjmp): Likewise.
630 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
632         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
633         * Makefile.in: Regenerate.
635 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
637         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
638         * alloc_cpp.cc: Generate dummy functions if we don't
639         HAVE_ELF_STYLE_WEAKREF.
640         * eh_cpp.cc: Likewise.
641         * configure: Regenerate.
642         * aclocal.m4:  Likewise.
643         * config.h.in: Likewise.
644         * Makefile.in: Likewise.
645         * testsuite/Makefile.in: Likewise.
647 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
649         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
650         __USER_LABEL_PREFIX__ for targets that use it.
651         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
652         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
653         in portability to non-elf targets.
654         (GTM_longjmp): Likewise.
655         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
656         where required.
658 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
660         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
661         * testsuite/libitm.c/memset-1.c: Likewise.
663 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
665         * configure: Regenerate.
667 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
669         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
670         (LIBITM_ENABLE_SYMVERS): Handle sun style.
671         * Makefile.am: Handle sun style versioning.
672         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
673         * configure: Regenerate.
674         * Makefile.in: Regenerate.
676 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
678         * config/generic/asmcfi.h: Fix comment.
679         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
680         sequence without .hidden support, error for non-ELF targets.
681         (GTM_longjmp) [__ELF__]: Only use .hidden if
682         HAVE_ATTRIBUTE_VISIBILITY.
684 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
686         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
687         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
688         Dummy functions.
689         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
690         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
692 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
694         PR bootstrap/51098
695         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
696         * configure: Regenerate.
698 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
700         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
702 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
704         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
705         .hidden.
706         (.note.GNU-stack): Only use if __linux__.
707         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
708         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
709         * testsuite/libitm.c/reentrant.c: Likewise.
710         * testsuite/libitm.c/simple-2.c: Likewise.
711         * testsuite/libitm.c/txrelease.c: Likewise.
712         * testsuite/libitm.c++/static_ctor.C: Likewise.
714 2011-11-10  Richard Henderson  <rth@redhat.com>
716         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
717         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
718         * configure.ac (ARCH_X86_AVX): New conditional.
719         * Makefile.in, configure: Rebuild.
721 2011-11-09  Richard Henderson  <rth@redhat.com>
723         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
724         * configure.ac: Use it.
725         * config.h.in, configure: Rebuild.
726         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
728 2011-11-09  Richard Henderson  <rth@redhat.com>
730         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
731         * config/alpha/unaligned.h: Remove file.
732         * config/generic/unaligned.h: Remove file.
733         * config/x86/unaligned.h: Remove file.
734         * config/generic/cachepage.h: Remove file.
735         * config/posix/cachepage.cc: Remove file.
736         * config/generic/cacheline.cc: Remove file.
737         * config/x86/cacheline.cc: Remove file.
738         * config/generic/cacheline.h (gtm_cacheline): Remove the
739         store_mask, copy_mask, copy_mask_wb methods.
740         * config/x86/cacheline.h: Likewise.
741         * config/alpha/cacheline.h: Fall back to generic after setting size.
742         * config/generic/tls.cc (gtm_mask_stack): Remove.
743         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
744         (GTM_vpalignr_table): Remove.
745         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
746         (GTM_pshift_table): Remove.
747         * config/libitm_i.h: Don't include cachepage.h.
748         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
749         * Makefile.in, testsuite/Makefile.in: Rebuild.
751 2011-11-09  Richard Henderson  <rth@redhat.com>
753         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
754         to emit branch prediction hint.
756         * config/x86/sjlj.S: Protect elf directives with __ELF__.
757         Protect .note.GNU-stack with __linux__.
759         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
760         * configure, aclocal.m4, config.h.in: Rebuild.
761         * config/generic/asmcfi.h: New file.
762         * config/x86/sjlj.S: Use it.
764 2011-11-08  Richard Henderson  <rth@redhat.com>
766         * local.cc (_ITM_LB): Use a normal call, not a function alias.
768 2011-11-08  Richard Henderson  <rth@redhat.com>
770         * configure.tgt: Test correct directory for supported cpus.
772         * configure.ac: Exit if unsupported.
773         * configure: Rebuild.
774         * configure.tgt: Delete boilerplate from libgomp for unsupported
775         targets.  Set UNSUPPORTED for unsupported targets.
777 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
779         * configure.tgt: Handle i386 like i[456]86.
780         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
781         take address.
782         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
783         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
785 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
787         * method-wbetl.cc: Update copyright notice.
788         * aatree.cc: Same.
789         * util.cc: Same.
790         * libitm.h: Same.
791         * memset.cc: Same.
792         * eh_cpp.cc: Same.
793         * barrier.tpl: Same.
794         * useraction.cc: Same.
795         * stmlock.h: Same.
796         * memcpy.cc: Same.
797         * common.h: Same.
798         * config/generic/tls.cc: Same.
799         * config/generic/cacheline.h: Same.
800         * config/generic/cachepage.h: Same.
801         * config/generic/cacheline.cc: Same.
802         * config/generic/unaligned.h: Same.
803         * config/x86/cacheline.h: Same.
804         * config/x86/cacheline.cc: Same.
805         * config/x86/unaligned.h: Same.
806         * config/alpha/cacheline.h: Same.
807         * config/alpha/unaligned.h: Same.
808         * config/alpha/sjlj.S: Same.
809         * config/posix/cachepage.cc: Same.
810         * config/linux/futex.h: Same.
811         * config/linux/alpha/futex_bits.h: Same.
813 2011-11-04  Torvald Riegel  <triegel@redhat.com>
815         * libitm.texi: No cover text and invariant sections.
817 2011-11-03  Richard Henderson  <rth@redhat.com>
819         * local_type_traits: New file.
820         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
822 2011-11-03  Richard Henderson  <rth@redhat.com>
824         * configure.ac: Don't test for gfortran.
825         * configure: Rebuild.
827         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
828         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
830 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
832         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
833         * testsuite/libitm.c/memset-1.c: Same.
834         * testsuite/libitm.c/c.exp: Same.
835         * testsuite/lib/libitm-dg.exp: Same.
836         * testsuite/lib/libitm.exp: Same.
837         * testsuite/libitm.c++/c++.exp: Same.
839 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
841         * testsuite/config/default.exp: Update copyright date.
842         * configure.ac: Add copyright info.
843         * configure.tgt: Same.
845 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
847         * testsuite/libitm.c/reentrant.c: XFAIL.
848         * testsuite/libitm.c++/static_ctor.C: XFAIL.
850 2011-10-29  Torvald Riegel  <triegel@redhat.com>
852         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
853         handle aborts.
854         (_ITM_abortTransaction): Handle aborts of outer transactions.
855         * libitm_i.h: Same.
856         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
857         * libitm.texi: Document aborts of outer transactions.
858         * testsuite/libitm.c/cancel.c: New file.
860 2011-10-19  Torvald Riegel  <triegel@redhat.com>
862         * testsuite/*: Change __transaction to __transaction_atomic or
863         __transaction_relaxed.
865 2011-10-19  Torvald Riegel  <triegel@redhat.com>
867         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
868         (gtm_thr): Same.
870 2011-10-19  Torvald Riegel  <triegel@redhat.com>
872         * libitm_i.h: Add gl_wt dispatch.
873         * retry.cc (parse_default_method): Same.
874         * method-gl.cc: New file.
875         * Makefile.am: Use method-gl.cc.
876         * Makefile.in: Rebuild.
878 2011-10-19  Torvald Riegel  <triegel@redhat.com>
880         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
881         safety if requested by a TM method.
882         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
883         privatization safety.
884         * method-serial.cc: Same.
886 2011-10-19  Torvald Riegel  <triegel@redhat.com>
888         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
889         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
890         undolog-related member functions from *_local to *_undolog.
891         * local.cc (gtm_thread::commit_undolog): Same.
892         * beginend.cc (GTM::gtm_thread::trycommit): Same.
893         (GTM::gtm_thread::rollback): Roll back undolog before
894         dispatch-specific rollback.
896 2011-10-19  Torvald Riegel  <triegel@redhat.com>
898         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
899         re-initialization of the current method group.
900         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
902 2011-10-19  Torvald Riegel  <triegel@redhat.com>
904         * alloc.cc (commit_allocations_2): Do not free transaction-local
905         memory when committing a nested transaction.
907 2011-10-19  Torvald Riegel  <triegel@redhat.com>
909         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
910         serial-irrevocable dispatch, not serial.
912 2011-10-19  Torvald Riegel  <triegel@redhat.com>
914         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
915         declarations.
916         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
917         * method-serial.cc: Implement begin_or_restart().
918         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
919         dispatch-specific begin_or_restart().
920         (GTM::gtm_thread::restart): Same.
922 2011-08-23  Torvald Riegel  <triegel@redhat.com>
924         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
925         restarting without switching to serial mode.
926         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
927         transaction state. Choose closed-nesting alternative if available.
928         (GTM::gtm_thread::set_default_dispatch): New.
929         (parse_default_method): New.
930         (GTM::gtm_thread::number_of_threads_changed): New.
931         * method-serial.cc (GTM::serial_mg): New method group class.
932         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
933         fini.
934         (GTM::serial_dispatch): Same.
935         (GTM::serialirr_onwrite_dispatch): Same.
936         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
937         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
938         registered threads.
939         (GTM::gtm_thread::gtm_thread): Same.
940         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
941         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
942         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
943         choose dispatch but set state according to dispatch here.
944         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
945         (GTM::method_group): New class.
946         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
947         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
948         * libitm.texi: Document TM methods, method groups, method life cycle.
949         Rename method sets to method groups.
951 2011-08-23  Torvald Riegel  <triegel@redhat.com>
953         * config/x86/tls.h: Moved to ...
954         * config/linux/x86/tls.h: ... here.
956 2011-08-23  Torvald Riegel  <triegel@redhat.com>
958         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
959         Add X32 support.
960         * config/x86/sjlj.S: Same.
962 2011-08-19  Torvald Riegel  <triegel@redhat.com>
964         * config/linux/rwlock.h: New file.
965         * config/linux/rwlock.c: New file.
966         * configure.ac: Reenable futex support (undo SVN rev 157758).
967         * Makefile.am: Same.
968         * configure.tgt: Same.
969         * config/linux/alpha/futex_bits.h: Same.
970         * config/linux/futex.h: Same. Return number of woken processes.
971         * config/linux/futex.cc: Same.
972         (futex_wait): Remove spinning.
973         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
974         Use __x86_64__ instead of __LP64__.
975         * aclocal.m4: Include generic futex checks.
976         * configure: Rebuild.
977         * Makefile.in: Rebuild.
978         * testsuite/Makefile.in: Rebuild.
979         * beginend.cc: Include pthread.h.
980         * config/posix/cachepage.cc: Same.
982 2011-08-12  Torvald Riegel  <triegel@redhat.com>
984         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
985         (abi_disp, set_abi_disp): Move to tx's TLS slot.
986         (set_gtm_thr): New.
987         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
988         (set_gtm_thr): New.
989         (GTM::gtm_thread::thread_num): Removed.
990         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
991         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
992         tx-to-thread renaming.
993         * beginend.cc: Adapted to tx-to-thread renaming.
994         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
995         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
996         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
997         gtm_transaction to gtm_thread.
998         (_ITM_getThreadnum): Removed. Not supported anymore.
999         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1000         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1001         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1002         gtm_tx-to-gtm_thr renaming if necessary.
1003         * eh_cpp.cc: Same.
1004         * local.cc: Same.
1005         * retry.cc: Same.
1006         * clone.cc: Same.
1007         * alloc.cc: Same.
1008         * alloc_c.cc: Same.
1009         * alloc_cpp.cc: Same.
1010         * method-serial.cc: Same.
1011         * config/generic/tls.cc: Same.
1012         * config/posix/rwlock.h (gtm_rwlock): Same.
1013         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1015 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1017         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1018         implementation.
1019         (gtm_rwlock::read_unlock): Same.
1020         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1021         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1022         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1023         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1024         w_upgrade. Replaced by per-transaction flags (in shared_state).
1025         Added c_confirmed_writers.
1026         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1027         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1028         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1029         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1030         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1031         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1032         * libitm.texi: Document locking conventions and implementations in
1033         libitm.
1035 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1037         * libitm_i.h (next_tx): Add list of all threads' transaction.
1038         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1039         transaction with list of transactions and ...
1040         (thread_exit_handler): ... deregister here.
1041         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1042         * config/x86/target.h: Same.
1044 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1046         * testsuite/libitm.c++/static_ctor.C: New file.
1048 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1050         * testsuite/libitm.c/reentrant.c: New file.
1052 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1054         * config/generic/tls.h: Remove the free list for transactions and ...
1055         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1056         (GTM::gtm_transaction::operator delete): ... and release here.
1057         (thread_exit_handler): New. Delete tx when thread terminates.
1058         (thread_exit_init): New.
1059         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1060         * testsuite/libitm.c/txrelease.c: New file.
1062 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1064         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1065         * testsuite/libitm.c/notx.c: New file.
1067 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1069         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1070         * libitm_i.h (local_tid): ... to here.
1071         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1072         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1074 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1076         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1077         serialirr_onwrite_dispatch as new default for now.
1078         * method-serial.cc (serialirr_onwrite_dispatch): New.
1079         (GTM::dispatch_serialirr_onwrite): New.
1080         * libitm_i.h: Same.
1082 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1084         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1085         * query.cc (_ITM_getTransactionId): There is no active transaction if
1086         the current nesting level is zero.
1088 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1090         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1091         rollback.
1093 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1095         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1096         transaction properties from the caller instead of from the
1097         transaction object.
1098         * libitm_i.h: Same.
1099         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1101 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1103         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1104         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1105         * dispatch.h: Same.
1106         * method-serial.cc: Same.
1107         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1108         flat nesting as default, and closed nesting on demand.
1109         (GTM::gtm_transaction::rollback): Same.
1110         (_ITM_abortTransaction): Same.
1111         (GTM::gtm_transaction::restart): Same.
1112         (GTM::gtm_transaction::trycommit): Same.
1113         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1114         (choose_code_path): New.
1115         (GTM::gtm_transaction_cp::save): New.
1116         (GTM::gtm_transaction_cp::commit): New.
1117         * query.cc (_ITM_inTransaction): Support flat nesting.
1118         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1119         (GTM::gtm_transaction): Support flat and closed nesting.
1120         * alloc.cc (commit_allocations_2): New.
1121         (commit_cb_data): New helper struct.
1122         (GTM::gtm_transaction::commit_allocations): Handle nested
1123         commits/rollbacks.
1124         * libitm.texi: Update user action section, add description of nesting.
1126 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1128         * libitm_i.h: Add closed nesting as restart reason.
1129         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1131 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1133         * useraction.cc: Use vector instead of list to store actions.
1134         Also support partial rollbacks for closed nesting.
1135         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1136         * beginend.cc: Same.
1138 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1140         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1141         closed_nesting flags, as well as a closed nesting alternative.
1142         * method-serial.cc: Same.
1143         (serial_dispatch): Renamed to serialirr_dispatch.
1144         (GTM::dispatch_serialirr): Same.
1145         (serial_dispatch_ul): Renamed to serial_dispatch.
1146         (GTM::dispatch_serial): Same.
1148 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1150         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1152 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1154         * aatree.h (aa_tree::remove): New.
1155         (aa_tree::operator new): Add placement new.
1157 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1159         * containers.h: New file.
1160         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1161         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1162         * common.h: ... to here.
1163         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1164         * local.cc: Same.
1166 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1168         * libitm_i.h (STATE_ABORTING): Remove.
1169         * beginend.cc (_ITM_abortTransaction): Same.
1170         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1171         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1172         (_ITM_rollbackTransaction): Remove.
1173         * beginend.cc: Same.
1174         * libitm.map: Same.
1175         * libitm.texi: Document these ABI changes.
1177 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1179         * libitm.texi: New file.
1180         * Makefile.am: Add libitm.texi.
1181         * Makefile.in: Rebuild.
1183 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1185         * libitm_i.h: Move parts to common.h and dispatch.h.
1186         * common.h: New file.
1187         * dispatch.h: New file, new dispatch class.
1188         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1189         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1190         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1191         decision to retry.cc.
1192         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1193         only.
1194         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1195         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1196         logging.
1197         * barrier.cc: Use new barriers definitions.
1198         (abi_dispatch::memmove_overlap_check): New.
1199         * config/x86/x86_sse.cc: Same.
1200         * config/x86/x86_avx.cc: Same.
1201         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1202         memcpy.cc.
1203         * Makefile.in: Rebuild.
1204         * method-readonly.cc: Remove.
1205         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1206         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1208 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1210         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1211         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1212         * testsuite/libitm.c/dropref-2.c: Same.
1213         * testsuite/libitm.c/dropref.c: Same.
1215 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1217         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1218         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1219         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1220         * alloc_c.cc: Same.
1221         * barrier.tpl: Same.
1222         * beginend.c: Same.
1223         * config/generic/tls.h: Same.
1224         * config/x86/tls.h: Same.
1225         * libitm_i.h: Same.
1226         * memcpy.cc: Same.
1227         * memset.cc: Same.
1228         * method-readonly.cc: Same.
1229         * method-serial.cc: Same.
1230         * method-wbetl.cc: Same.
1231         * retry.cc: Same.
1233 2011-03-03  Richard Henderson  <rth@redhat.com>
1235         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1236         From Patrik Marlier <patrick.marlier@unine.ch>.
1238 2011-02-03  Richard Henderson  <rth@redhat.com>
1240         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1241         * configure.ac: Use it.
1242         * configure, config.h.in: Rebuild.
1243         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1244         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1245         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1246         * libitm.map: Use wildcards to match size_t mangling.
1248 2010-12-14  Richard Henderson  <rth@redhat.com>
1250         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1251         blocks of TIDs per thread.
1252         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1253         (setup_gtm_thr): Return the thread structure.
1254         * config/x86/tls.h (setup_gtm_thr): Likewise.
1256 2010-12-14  Richard Henderson  <rth@redhat.com>
1258         * clone.cc (table_lock): Remove.
1259         (find_clone): Don't take it.
1260         (ExcludeTransaction): New helper class.
1261         (_ITM_registerTMCloneTable): Use it.
1262         (_ITM_deregisterTMCloneTable): Likewise.
1264 2010-12-14  Richard Henderson  <rth@redhat.com>
1266         * config/x86/tls.h: New file.
1268 2010-07-15  Richard Henderson  <rth@redhat.com>
1270         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1271         * Makefile.in: Rebuild.
1273 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1275         * method-wbetl.cc (trydropreference): Fix source line.
1277 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1279         * libitm.h: Add comment.
1280         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1282 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1284         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1285         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1286         available, use pthread mutexes.
1287         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1288         * config.h.in: Regenerate.
1289         * configure: Regenerate.
1291 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1293         * libitm.h (ITM_PURE): Define.
1294         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1296 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1298         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1299         (validate): Add comment.
1300         (trydropreference): New.
1301         * method-readonly.cc (class readonly_dispatch): Add
1302         trydropreference.
1303         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1304         Call trydropreference().
1305         * libitm.h (_ITM_dropReferences): Remove const attribute.
1306         * method-serial.cc (class serial_dispatch): Add trydropreference.
1307         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1309 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1311         * memcpy.cc (do_memcpy): Comment.
1313 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1315         * barrier.tpl: Add comments throughout.
1317 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1319         * method-wbetl.cc (struct w_entry): Add comments.
1320         (trycommit): Same.
1321         (rollback): Same.
1323 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1325         * alloc_c.cc (_ITM_dropReferences): New.
1326         * libitm.map (_ITM_dropReferences): Add.
1327         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1328         * libitm_i.h (struct gtm_transaction): Declare
1329         drop_references_allocations and drop_references_local.
1330         * local.cc (rollback_local): Ignore memory when applicable.
1331         (drop_references_local): New.
1333 2010-06-23  Richard Henderson  <rth@redhat.com>
1335         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1336         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1337         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1338         * config/alpha/target.h: Likewise.
1339         * config/generic/tls.cc (gtm_mask_stack): Use it.
1341 2010-06-23  Richard Henderson  <rth@redhat.com>
1343         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1344         a mutex instead of trying a lock-free compare-and-swap on the list.
1345         (gtm_cacheline_page::operator delete): Likewise.
1347 2010-06-16  Richard Henderson  <rth@redhat.com>
1349         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1350         that overlap the libitm stack.
1351         * barrier.tpl: Mark incoming stack.
1352         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1353         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1354         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1355         * memcpy.cc, memset.cc: Likewise.
1356         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1357         * config/generic/tls.h (gtm_thread): Add stack_top member.
1358         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1359         * libitm_i.h (gtm_mask_stack): Declare.
1360         * config/generic/tls.cc: New file.
1361         * Makefile.am (libitm_la_SOURCES): Add it.
1362         (AM_CXXFLAGS): Turn off exceptions.
1363         * Makefile.in: Rebuild.
1365 2010-06-16  Richard Henderson  <rth@redhat.com>
1367         * alloc.cc (struct gtm_alloc_action): Move definition ...
1368         * libitm_i.h: ... here.
1369         (class gtm_transaction): Declare new and delete.
1370         * beginend.cc (alloc_tx): Reformulate as operator new.
1371         (free_tx): Reformulate as operator delete.
1372         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1374 2010-06-11  Richard Henderson  <rth@redhat.com>
1376         * clone.cc (clone_entry_compare): Fix typo.
1377         From Patrik Marlier <patrick.marlier@unine.ch>.
1379 2010-05-13  Richard Henderson  <rth@redhat.com>
1381         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1382         in extern "C".
1384 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1386         * libitm_i.h (struct gtm_transaction): Remove
1387         get_allocation_size.
1388         (record_allocation): Remove size parameter.
1389         * libitm.map (_ITM_realloc): Remove.
1390         * alloc_c.cc (_ITM_realloc): Remove.
1391         (_ITM_malloc): Remove size argument to record_allocation.
1392         (_ITM_calloc): Same.
1393         * alloc_cpp.cc (_ZGTtnwm): Same.
1394         (_ZGTtnwmRKSt9nothrow_t): Same.
1395         (_ZGTtnam): Same.
1396         (_ZGTtnamRKSt9nothrow_t): Same.
1397         * alloc.cc (struct gtm_alloc_action): Remove size.
1398         (get_allocation_size): Remove.
1399         (commit_allocations): Add comment.
1400         (record_allocation): Remove size parameter.
1401         (forget_allocation): Remove set of size.
1403 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1405         * Makefile.am (abi_version): New.
1406         (AM_CXXFLAGS): Pass abi_version.
1407         * Makefile.in: Regenerate.
1408         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1410 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1412         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1413         _ITM_getTMCloneOrIrrevokable.
1414         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1415         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1417 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1419         * configure.ac: Remove Linux futex support.
1420         * configure.tgt (config_path): Same.
1421         * Makefile.am: Same.
1422         * config/linux: Remove entire directory.
1423         * configure: Rebuild.
1424         * Makefile.in: Rebuild.
1425         * testsuite/Makefile.in: Rebuild.
1427 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1429         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1430         switching to serial mode.
1431         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1433 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1435         * configure.tgt: Add emacs -*- tags.
1436         * barrier.tpl: Same.
1438 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1440         * Makefile.am: Rename serial.cc to method-serial.cc.
1441         * Makefile.in: Regenerate with automake 1.11.1.
1442         * testsuite/Makefile.in: Same.
1443         * aclocal.m4: Regenerate with aclocal 1.11.1.
1444         * method-serial.cc: Rename from serial.cc.
1445         * libitm_i.h (struct gtm_transaction): Update comment on
1446         serialirr_mode.
1448 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1450         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1451         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1453 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1455         * configure: Rebuild.
1457 2009-11-12  Richard Henderson  <rth@redhat.com>
1459         * Rewrite everything in C++.
1461 2009-11-03  Richard Henderson  <rth@redhat.com>
1463         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1464         * Makefile.am (libitm_la_SOURCES): Add them.
1465         * configure.ac (ARCH_X86): New conditional.
1466         * Makefile.in, configure: Rebuild.
1467         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1468         Move futex setup into "other system configury" case.
1469         * local.c (rollback_local): Merge into ...
1470         (GTM_rollback_local): ... here.
1471         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1472         (_ITM_LB): Define as an alias to GTM_LB.
1474 2009-11-03  Richard Henderson  <rth@redhat.com>
1476         * method-readonly.c: New file.
1477         * Makefile.am (libitm_la_SOURCES): Add it.
1478         * Makefile.in: Rebuild.
1479         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1480         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1481         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1482         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1483         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1484         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1485         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1486         gtm_get_clock, gtm_inc_clock): New.
1487         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1488         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1489         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1490         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1491         replace uses with new libitm_i.h symbols.
1492         (dispatch_wbetl): Rename from wbetl_dispatch.
1493         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1494         away from dispatch_readonly; abort if the beginTransaction call
1495         asserted that the transaction was readonly.
1497 2009-11-03  Richard Henderson  <rth@redhat.com>
1499         * memset.c: New file.
1500         * Makefile.am (libitm_la_SOURCES): Add it.
1501         * Makefile.in: Rebuild.
1502         * testsuite/libitm.c/memset-1.c: New.
1504 2009-11-03  Richard Henderson  <rth@redhat.com>
1506         * dispatch.c: Remove file.
1507         * useraction.c (struct gtm_user_action): Move from libitm.h.
1508         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1509         (serial_memset, serial_memmove, serial_memcpy): Remove.
1510         (serial_W*, serial_R*): Remove.
1511         (serial_dispatch): Update to match.
1512         * configure.ac: Move Werror down below configure checks.  Don't
1513         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1514         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1515         Use GCC_AC_FUNC_MMAP_BLACKLIST
1516         * libitm.h: Split out all internal items to...
1517         * libitm_i.h: ... here.  New file.
1518         * copymask.c: New file.
1519         * local.c (struct gtm_local_undo): Move from libitm.h.
1520         (GTM_alloc_local): Rename from alloc_local; export.
1521         * memcpy.c: New file.
1522         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1523         * config/posix/page.c: New file.
1524         * config/posix/target_tls.h: Remove file.
1525         * barrier.c: New file.
1526         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1527         copymask.c, page.c.
1528         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1529         * method-wbetl.c: Rewrite for new cacheline methods.
1530         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1532         * config/alpha/sjlj.S: Fix typo.
1533         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1534         * config/alpha/copymask.c: New file.
1535         * config/alpha/target.h (CACHELINE_SIZE): New.
1536         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1538         * config/x86/target_i.h: Copy functions from x86/target.h.
1539         * config/x86/copymask.c: New file.
1540         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1541         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1542         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1543         * config/x86/target_tls.h: Move contents to target_i.h.
1545         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1546         * testsuite/libitm.c/memcpy-1.c: New.
1548 2009-10-22  Richard Henderson  <rth@redhat.com>
1550         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1551         (AM_CCASFLAGS): New.
1552         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1553         saving/restoring _AC_ARG_VAR_PRECIOUS.
1554         * Makefile.in, aclocal.m4, config.h.in, configure,
1555         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1557 2009-10-22  Richard Henderson  <rth@redhat.com>
1559         * testsuite/*: Update for new compiler syntax.
1561 2009-10-21  Richard Henderson  <rth@redhat.com>
1563         * libitm.h (_ITM_abortReason): Add outerAbort.
1565 2009-08-03  Richard Henderson  <rth@redhat.com>
1567         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1568         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1569         * method-wbetl.c (struct w_entry): Remove mask.
1570         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1571         adjust all callers.
1573 2009-07-22  Richard Henderson  <rth@redhat.com>
1575         * eh_cpp.c: New file.
1576         * Makefile.am (libitm_la_SOURCES): Add it.
1577         * Makefile.in: Rebuild.
1578         * beginend.c (GTM_rollback_transaction): Undo exception state.
1579         (GTM_trycommit_transaction): Mark inline.
1580         (GTM_trycommit_and_finalize_transaction): Split out from ...
1581         (_ITM_commitTransaction): ... here.
1582         (_ITM_commitTransactionEH): New function.
1583         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1584         cxa_unthrown, eh_in_flight; reorder.
1586         * testsuite/libitm.c++/c++.exp: New.
1587         * testsuite/libitm.c++/eh-1.C: New.
1589         * aatree.c (aa_free): Remove REGPARM.
1590         * aatree.h: Remove all REGPARM.
1592 2009-07-18  Richard Henderson  <rth@redhat.com>
1594         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1595         * Makefile.am (libitm_la_SOURCES): Add them.
1596         * Makefile.in: Rebuild.
1597         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1598         (GTM_trycommit_transaction): Likewise.
1599         * libitm.h: Include aatree.h
1600         (struct gtm_alloc_action): New.
1601         (struct gtm_transaction): Add alloc_actions.
1602         (GTM_record_allocation, GTM_forget_allocation): Declare.
1603         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1604         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1605         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1606         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1607         _ZGTtdaPvRKSt9nothrow_t): Export.
1609 2009-07-18  Richard Henderson  <rth@redhat.com>
1611         * target_tls.h: Move ...
1612         * config/posix/target_tls.h: ... here.
1614 2009-07-07  Richard Henderson  <rth@redhat.com>
1616         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1618 2009-07-07  Richard Henderson  <rth@redhat.com>
1620         * Update to GPL3.
1622 2009-07-07  Richard Henderson  <rth@redhat.com>
1624         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1625         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1627         * configure.tgt: Don't use -ftls-model for x86 linux.
1628         * libitm.h: Include target.h after standard includes.
1629         (_gtm_thr): Rename from gtm_thr.
1630         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1631         (gtm_disp, set_gtm_disp): New.
1632         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1633         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1634         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1636 2009-07-07  Richard Henderson  <rth@redhat.com>
1638         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1640 2009-07-06  Richard Henderson  <rth@redhat.com>
1642         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1643         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1644         (_ITM_beginTransaction): Take variadic arguments.
1645         (_ITM_registerThrownObject): Declare.
1646         * beginend.c, serial.c: Update.
1647         * libitm.map: Add _ITM_registerThrownObject.
1649 2009-01-28  Richard Henderson  <rth@redhat.com>
1651         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1652         * Makefile.in: Rebuild.
1653         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1654         (GTM_restart_transaction): Fix uninstrumented code check.
1655         * retry.c (GTM_decide_retry_strategy): Add serial check.
1656         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1657         automatically go irrevokable when in serial mode.
1658         * clone.c: New file.
1659         * libitm.h, libitm.map: Update.
1661 2009-01-27  Richard Henderson  <rth@redhat.com>
1663         * Makefile.am (LTCCASCOMPILE): Define.
1664         (libitm_la_SOURCES): Add methid-wbetl.c.
1665         * testsuite/Makefile.am: New
1666         * configure.ac: Add testsuite/Makefile.
1667         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1668         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1669         (_ITM_abortTransaction): Finalize implementation method; pass
1670         transaction properties to longjmp.
1671         (GTM_restart_transaction): Split out from ...
1672         (_ITM_commitTransaction): ... here.
1673         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1674         Move to config/x86/target.h.
1675         * config/linux/alpha/futex_bits.h: New.
1676         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1677         * config/x86/target.h: Disable target types for 32-bit.
1678         * config/alpha/sjlj.S, config/alpha/target.h: New.
1679         * libitm.h (struct gtm_dispatch): Add init, fini.
1680         (enum restart_reason): New.
1681         (struct gtm_transaction): Add method and restarts.
1682         * retry.c (GTM_decide_retry_strategy): Implement.
1683         * serial.c (serial_init, serial_fini): New.
1684         (GTM_serialmode): Finialize outgoing method.
1685         * method-wbetl.c: New.
1687 2008-12-09  Richard Henderson  <rth@redhat.com>
1689         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1690         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1691         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1692         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1693         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1694         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1695         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1696         * serial.c (serial_R##T, serial_W##T): Likewise.
1698 2008-11-21  Richard Henderson  <rth@redhat.com>
1700         * Initial commit.