Update ChangeLog and version files for release
[official-gcc.git] / libitm / ChangeLog
blob3c4176925c508dbe0602b7b9212e9379fc4e0cba
1 2024-05-21  Release Manager
3         * GCC 13.3.0 released.
5 2023-07-27  Release Manager
7         * GCC 13.2.0 released.
9 2023-04-26  Release Manager
11         * GCC 13.1.0 released.
13 2023-01-02  Jakub Jelinek  <jakub@redhat.com>
15         * libitm.texi: Bump @copying's copyright year.
17 2022-11-14  Martin Liska  <mliska@suse.cz>
19         Revert:
20         2022-11-14  Martin Liska  <mliska@suse.cz>
22         * doc/c-c++-language-constructs-for-tm.rst: New file.
23         * doc/conf.py: New file.
24         * doc/copyright.rst: New file.
25         * doc/enabling-libitm.rst: New file.
26         * doc/gnu-free-documentation-license.rst: New file.
27         * doc/index.rst: New file.
28         * doc/indices-and-tables.rst: New file.
29         * doc/internals.rst: New file.
30         * doc/locking-conventions.rst: New file.
31         * doc/nesting-flat-vs-closed.rst: New file.
32         * doc/the-libitm-abi.rst: New file.
33         * doc/the-libitm-abi/function-list.rst: New file.
34         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
35         * doc/the-libitm-abi/library-design-principles.rst: New file.
36         * doc/the-libitm-abi/memory-model.rst: New file.
37         * doc/the-libitm-abi/non-objectives.rst: New file.
38         * doc/the-libitm-abi/objectives.rst: New file.
39         * doc/the-libitm-abi/sample-code.rst: New file.
40         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
41         * doc/tm-methods-and-method-groups.rst: New file.
43 2022-11-14  Martin Liska  <mliska@suse.cz>
45         Revert:
46         2022-11-14  Martin Liska  <mliska@suse.cz>
48         * Makefile.in: Support Sphinx based documentation.
50 2022-11-14  Martin Liska  <mliska@suse.cz>
52         Revert:
53         2022-11-14  Martin Liska  <mliska@suse.cz>
55         * libitm.texi: Removed.
57 2022-11-14  Martin Liska  <mliska@suse.cz>
59         Revert:
60         2022-11-14  Martin Liska  <mliska@suse.cz>
62         * Makefile.in: Support --with-sphinx-build.
63         * configure.ac: Likewise.
64         * configure: Regenerate.
66 2022-11-14  Martin Liska  <mliska@suse.cz>
68         Revert:
69         2022-11-14  Martin Liska  <mliska@suse.cz>
71         * Makefile.in: Build info pages conditionally.
73 2022-11-14  Martin Liska  <mliska@suse.cz>
75         Revert:
76         2022-11-14  Martin Liska  <mliska@suse.cz>
78         * doc/c-c++-language-constructs-for-tm.rst:
79         Add trailing newline.
80         * doc/copyright.rst:
81         Add trailing newline.
82         * doc/enabling-libitm.rst:
83         Add trailing newline.
84         * doc/gnu-free-documentation-license.rst:
85         Add trailing newline.
86         * doc/index.rst:
87         Add trailing newline.
88         * doc/indices-and-tables.rst:
89         Add trailing newline.
90         * doc/internals.rst:
91         Add trailing newline.
92         * doc/locking-conventions.rst:
93         Add trailing newline.
94         * doc/nesting-flat-vs-closed.rst:
95         Add trailing newline.
96         * doc/the-libitm-abi.rst:
97         Add trailing newline.
98         * doc/the-libitm-abi/function-list.rst:
99         Add trailing newline.
100         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
101         Add trailing newline.
102         * doc/the-libitm-abi/library-design-principles.rst:
103         Add trailing newline.
104         * doc/the-libitm-abi/memory-model.rst:
105         Add trailing newline.
106         * doc/the-libitm-abi/non-objectives.rst:
107         Add trailing newline.
108         * doc/the-libitm-abi/objectives.rst:
109         Add trailing newline.
110         * doc/the-libitm-abi/sample-code.rst:
111         Add trailing newline.
112         * doc/the-libitm-abi/types-and-macros-list.rst:
113         Add trailing newline.
114         * doc/tm-methods-and-method-groups.rst:
115         Add trailing newline.
117 2022-11-14  Martin Liska  <mliska@suse.cz>
119         Revert:
120         2022-11-14  Martin Liska  <mliska@suse.cz>
122         * Makefile.in: Add missing HAS_SPHINX_BUILD.
124 2022-11-14  Martin Liska  <mliska@suse.cz>
126         Revert:
127         2022-11-14  Martin Liska  <mliska@suse.cz>
129         * doc/conf.py: Add newline at last line.
131 2022-11-14  Martin Liska  <mliska@suse.cz>
133         Revert:
134         2022-11-14  Martin Liska  <mliska@suse.cz>
136         PR other/107620
137         * configure: Regenerate.
138         * configure.ac: Always set sphinx-build.
140 2022-11-13  Martin Liska  <mliska@suse.cz>
142         PR other/107620
143         * configure: Regenerate.
144         * configure.ac: Always set sphinx-build.
146 2022-11-10  Martin Liska  <mliska@suse.cz>
148         * doc/conf.py: Add newline at last line.
150 2022-11-09  Martin Liska  <mliska@suse.cz>
152         * Makefile.in: Add missing HAS_SPHINX_BUILD.
154 2022-11-09  Martin Liska  <mliska@suse.cz>
156         * doc/c-c++-language-constructs-for-tm.rst:
157         Add trailing newline.
158         * doc/copyright.rst:
159         Add trailing newline.
160         * doc/enabling-libitm.rst:
161         Add trailing newline.
162         * doc/gnu-free-documentation-license.rst:
163         Add trailing newline.
164         * doc/index.rst:
165         Add trailing newline.
166         * doc/indices-and-tables.rst:
167         Add trailing newline.
168         * doc/internals.rst:
169         Add trailing newline.
170         * doc/locking-conventions.rst:
171         Add trailing newline.
172         * doc/nesting-flat-vs-closed.rst:
173         Add trailing newline.
174         * doc/the-libitm-abi.rst:
175         Add trailing newline.
176         * doc/the-libitm-abi/function-list.rst:
177         Add trailing newline.
178         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
179         Add trailing newline.
180         * doc/the-libitm-abi/library-design-principles.rst:
181         Add trailing newline.
182         * doc/the-libitm-abi/memory-model.rst:
183         Add trailing newline.
184         * doc/the-libitm-abi/non-objectives.rst:
185         Add trailing newline.
186         * doc/the-libitm-abi/objectives.rst:
187         Add trailing newline.
188         * doc/the-libitm-abi/sample-code.rst:
189         Add trailing newline.
190         * doc/the-libitm-abi/types-and-macros-list.rst:
191         Add trailing newline.
192         * doc/tm-methods-and-method-groups.rst:
193         Add trailing newline.
195 2022-11-09  Martin Liska  <mliska@suse.cz>
197         * Makefile.in: Build info pages conditionally.
199 2022-11-09  Martin Liska  <mliska@suse.cz>
201         * Makefile.in: Support --with-sphinx-build.
202         * configure.ac: Likewise.
203         * configure: Regenerate.
205 2022-11-09  Martin Liska  <mliska@suse.cz>
207         * libitm.texi: Removed.
209 2022-11-09  Martin Liska  <mliska@suse.cz>
211         * Makefile.in: Support Sphinx based documentation.
213 2022-11-09  Martin Liska  <mliska@suse.cz>
215         * doc/c-c++-language-constructs-for-tm.rst: New file.
216         * doc/conf.py: New file.
217         * doc/copyright.rst: New file.
218         * doc/enabling-libitm.rst: New file.
219         * doc/gnu-free-documentation-license.rst: New file.
220         * doc/index.rst: New file.
221         * doc/indices-and-tables.rst: New file.
222         * doc/internals.rst: New file.
223         * doc/locking-conventions.rst: New file.
224         * doc/nesting-flat-vs-closed.rst: New file.
225         * doc/the-libitm-abi.rst: New file.
226         * doc/the-libitm-abi/function-list.rst: New file.
227         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
228         * doc/the-libitm-abi/library-design-principles.rst: New file.
229         * doc/the-libitm-abi/memory-model.rst: New file.
230         * doc/the-libitm-abi/non-objectives.rst: New file.
231         * doc/the-libitm-abi/objectives.rst: New file.
232         * doc/the-libitm-abi/sample-code.rst: New file.
233         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
234         * doc/tm-methods-and-method-groups.rst: New file.
236 2022-10-31  Xiongchuan Tan  <xc-tan@outlook.com>
238         * configure.tgt: Add riscv support.
239         * config/riscv/asm.h: New file.
240         * config/riscv/sjlj.S: New file.
241         * config/riscv/target.h: New file.
243 2022-10-13  Lulu Cheng  <chenglulu@loongson.cn>
245         * config/loongarch/sjlj.S: Add a soft floating point condition to the
246         register recovery part of the code.
248 2022-10-12  Martin Liska  <mliska@suse.cz>
250         * configure: Regenerate.
252 2022-10-11  Olivier Hainque  <hainque@adacore.com>
253             Olivier Hainque  <hainque@adacore.com>
255         * configure: Regenerate.
257 2022-09-28  Lulu Cheng  <chenglulu@loongson.cn>
258             Yang Yujie  <yangyujie@loongson.cn>
260         * configure.tgt: Add loongarch support.
261         * config/loongarch/asm.h: New file.
262         * config/loongarch/sjlj.S: New file.
263         * config/loongarch/target.h: New file.
265 2022-08-31  Martin Liska  <mliska@suse.cz>
267         * configure: Regenerate.
269 2022-08-31  Martin Liska  <mliska@suse.cz>
271         * configure: Regenerate.
273 2022-06-02  David Malcolm  <dmalcolm@redhat.com>
275         * testsuite/lib/libitm.exp: Add load_gcc_lib of scansarif.exp.
277 2022-02-03  David Seifert  <soap@gentoo.org>
278             Jakub Jelinek  <jakub@redhat.com>
280         * configure.ac: Support --disable-werror.
281         * configure: Regenerate.
283 2022-01-31  Martin Liska  <mliska@suse.cz>
285         * acinclude.m4: Detect *_ld_is_mold and use it.
286         * configure: Regenerate.
288 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
290         * libitm.texi: Bump @copying's copyright year.
292 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
294         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
295         target does not support HAVE_ELF_STYLE_WEAKREF then do not
296         try to test the __cxa_get_globals against NULL.
298 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
300         PR libstdc++/91488
301         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
303 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
305         PR target/70454
306         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
307         be added through preprocessor check on
308         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
310 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
312         * configure: Re-generate.
314 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
316         * libitm.texi: Bump @copying's copyright year.
318 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
320         PR target/97865
321         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
322         * configure: Regenerate.
324 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
326         * configure: Regenerate.
328 2020-10-01  Alan Modra  <amodra@gmail.com>
330         * config/powerpc/sjlj.S: Support __PCREL__ code.
332 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
334         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
336 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
338         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
339         and add BTI c to function entries.
341 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
343         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
345 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
347         PR bootstrap/95413
348         * configure: Regenerated.
350 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
352         PR bootstrap/95147
353         * configure: Regenerated.
355 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
357         * configure: Regenerated.
359 2020-05-12  Nathan Sidwell  <nathan@acm.org>
361         Fix throw specifiers on interface.
362         * libitm/libitm.h (_ITM_NOTHROW): Define.
363         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
364         (_ITM_cxa_begin_catch): Use it.
365         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
366         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
367         __cxa_get_globals.
368         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
369         (_ITM_cxa_begin_catch): Likewise.
371 2020-05-05  Nathan Sidwell  <nathan@acm.org>
373         * testsuite/lib/libitm.exp (libitm_init): Add
374         -fdiagnostics-color=never to options.
376 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
378         PR libstdc++/79193
379         PR libstdc++/88999
381         * configure: Regenerated.
383 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
385         * configure.ac: Handle `--with-toolexeclibdir='.
386         * Makefile.in: Regenerate.
387         * aclocal.m4: Regenerate.
388         * configure: Regenerate.
389         * testsuite/Makefile.in: Regenerate.
391 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
393         Update copyright years.
395         * libitm.texi: Bump @copying's copyright year.
397 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
399         PR libgomp/91938
400         * configure.tgt: Avoid IE tls on *-*-musl*.
402 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
404         * configure: Regenerate.
406 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
408         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
410 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
412         * configure.tgt: Handle *-*-uclinux*.
413         * configure: Regenerate.
415 2019-09-06  Florian Weimer  <fweimer@redhat.com>
417         * configure: Regenerate.
419 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
421         PR other/79543
422         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
423         scanning to conform to the GNU Coding Standards.
424         * configure: Regenerate.
426 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
428         * Makefile.am (finclude): Remove.
429         * Makefile.in: Regenerated.
431 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
433         Update copyright years.
435 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
437         * libitm.texi: Bump @copying's copyright year.
439 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
441         PR c++/88482
442         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
443         void * to void (*) (void *).
444         (_ITM_cxa_throw): Likewise.
445         * libitm.h (_ITM_cxa_throw): Likewise.
446         * libitm.texi (_ITM_cxa_throw): Likewise.
448 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
450         * config/powerpc/target.h (htm_available):  Add support for
451         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
453 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
455         PR bootstrap/82856
456         * Makefile.am: Include multilib.am.
457         (AUTOMAKE_OPTIONS): Add info-in-builddir.
458         (CLEANFILES): Remove libitm.info.
459         * configure.ac: Remove AC_PREREQ.
460         * testsuite/Makefile.am (RUNTEST): Remove quotes.
461         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
462         Regenerate.
464 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
466         PR libitm/86293
467         * method-serial.cc: Mark varible as potentially unused
468         to silence warning.
470 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
472         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
473         absolute relocation in a shared library.
475 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
477         PR libitm/85988
478         * config/linux/x86/tls.h (SEG_READ): Use the offset of
479         __private_tm as base.
480         (SEG_WRITE): Likewise.
481         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
482         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
483         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
484         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
485         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
487 2018-05-17  Jason Merrill  <jason@redhat.com>
489         * beginend.cc (save): Disable -Werror=deprecated-copy.
491 2018-05-02  Tom de Vries  <tom@codesourcery.com>
493         PR testsuite/85106
494         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
496 2018-05-02  Tom de Vries  <tom@codesourcery.com>
498         PR testsuite/85106
499         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
501 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
503         * config/x86/sjlj.S (_ITM_beginTransaction): Add
504         (__CET__ & 2) != 0 check for shadow stack.
505         (GTM_longjmp): Likewise.
507 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
509         * configure: Regenerated.
511 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
513         PR target/85489
514         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
516 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
518         * configure: Regenerated.
520 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
522         PR jit/85384
523         * configure: Regenerate.
525 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
527         PR target/84148
528         * configure: Regenerate.
530 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
532         Update copyright years.
534         * libitm.texi: Bump @copying's copyright year.
536 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
538         * Makefile.in: Regenerate.
539         * acinclude.m4: Add enable.m4 and cet.m4.
540         * config/x86/sjlj.S: Include cet.h.
541         (_ITM_beginTransaction): Add _CET_ENDBR.
542         Save Shadow Stack pointer.
543         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
544         * config/x86/target.h (struct gtm_jmpbuf):
545         Add new field for Shadow Stack pointer.
546         * configure: Regenerate.
547         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
548         * configure.ac: Update libtool_VERSION for x86.
549         * testsuite/Makefile.in: Regenerate.
551 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
553         * libitm/config/x86/target.h: Add new field (ssp).
554         * libitm/config/x86/sjlj.S: Change offsets.
556 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
558         * testsuite/lib/libitm.exp: Load scanlang.exp.
560 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
562         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
564 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
566         PR other/79046
567         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
568         of cat to get version from BASE-VER file.
569         * testsuite/Makefile.in: Regenerated.
571 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
573         * config/x86/target.h (htm_available): Determine vendor from
574         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
576 2017-01-18  Torvald Riegel  <triegel@redhat.com>
578         * config/x86/target.h (htm_available): Add check for some processors
579         on which TSX is broken.
581 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
583         PR other/79046
584         * configure.ac: Add GCC_BASE_VER.
585         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
586         get version from BASE-VER file.
587         * testsuite/Makefile.in: Regenerated.
588         * configure: Regenerated.
589         * Makefile.in: Regenerated.
591 2017-01-04  Alan Modra  <amodra@gmail.com>
593         * Makefile.in: Regenerate.
594         * testsuite/Makefile.in: Regenerate.
596 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
598         Update copyright years.
600         * libitm.texi: Bump @copying's copyright year.
602 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
604         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
605         * aclocal.m4: Regenerate.
606         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
607         LIBITM_CHECK_LINKER_HWCAP.
609 2016-11-15  Matthias Klose  <doko@ubuntu.com>
611         * configure: Regenerate.
613 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
615         PR libitm/70456
616         * util.cc (xmalloc): Use posix_memalign to allocate memory on
617         on cache line if requested.
619 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
621         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
622         function attribute to disable floating point in begin_transaction() on
623         S/390.
624         * beginend.cc (begin_transaction): Use
625         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
627 2016-01-22  Torvald Riegel  <triegel@redhat.com>
629         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
630         boundary.
631         (htm_fastpath): Remove.
632         (gtm_thread::begin_transaction): Fix HTM fastpath.
633         (_ITM_commitTransaction): Adapt.
634         (_ITM_commitTransactionEH): Adapt.
635         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
636         and accessors.
637         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
638         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
639         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
640         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
641         * libitm/method-serial.cc (htm_mg): Adapt.
642         (gtm_thread::serialirr_mode): Adapt.
643         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
645 2016-01-21  Torvald Riegel  <triegel@redhat.com>
647         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
648         or AIX.
650 2016-01-19  Richard Henderson  <rth@redhat.com>
652         PR bootstrap/69343
653         PR bootstrap/69339
654         Revert:
655         2016-01-13  Richard Henderson  <rth@redhat.com>
657         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
658         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
659         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
660         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
661         * configure.ac (ARCH_AARCH64): New conditional.
662         (ARCH_PPC, ARCH_S390): Likewise.
663         * Makefile.in, configure: Rebuild.
665         * libitm.h (_ITM_TYPE_M128): Always define.
666         * vect64.cc: Split ...
667         * vect128.cc: ... out of...
668         * config/x86/x86_sse.cc: ... here.
669         * config/arm/neon.cc: New file.
671 2016-01-19  Torvald Riegel  <triegel@redhat.com>
673         * local_type_traits: Remove file.
674         * libitm_i.h: Don't include it anymore.
675         (sized_integral): Remove.
677 2016-01-16  Torvald Riegel  <triegel@redhat.com>
679         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
680         safety.
681         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
682         * libitm/testsuite/libitm.c/priv-1.c: New.
684 2015-01-15  Torvald Riegel  <triegel@redhat.com>
686         testsuite/libitm.c++/libstdc++-safeexc.C: New.
688 2016-01-13  Torvald Riegel  <triegel@redhat.com>
690         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
691         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
692         (gtm_rwlock::write_unlock): Likewise.
694 2016-01-13  Richard Henderson  <rth@redhat.com>
696         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
697         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
698         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
699         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
700         * configure.ac (ARCH_AARCH64): New conditional.
701         (ARCH_PPC, ARCH_S390): Likewise.
702         * Makefile.in, configure: Rebuild.
704         * libitm.h (_ITM_TYPE_M128): Always define.
705         * vect64.cc: Split ...
706         * vect128.cc: ... out of...
707         * config/x86/x86_sse.cc: ... here.
708         * config/arm/neon.cc: New file.
710 2016-01-13  Torvald Riegel  <triegel@redhat.com>
712         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
713         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
714         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
715         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
716         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
717         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
718         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
719         (serialirr_dispatch::snapshot_most_recent): New.
720         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
722 2016-01-12  Torvald Riegel  <triegel@redhat.com>
724         * libitm_i.h (gtm_mask_stack): Remove.
725         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
726         * stmlock.h: Remove file.
727         * config/alpha/cacheline.h: Likewise.
728         * config/generic/cacheline.h: Likewise.
729         * config/powerpc/cacheline.h: Likewise.
730         * config/sparc/cacheline.h: Likewise.
731         * config/x86/cacheline.h: Likewise.
733 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
735         Update copyright years.
737         * libitm.texi: Bump @copying's copyright year.
739 2015-11-26  Torvald Riegel  <triegel@redhat.com>
741         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
742         (ml_wt_dispatch::pre_write): Adapt.
743         (ml_wt_dispatch::pre_load): Likewise.
745 2015-11-22  Torvald Riegel  <triegel@redhat.com>
747         * libitm_i.h (gtm_alloc_action): Remove union.
748         * testsuite/libitm.c/alloc-1.c: New.
750 2015-11-19  Torvald Riegel  <triegel@redhat.com>
752         * testsuite/libitm.c++/eh-5.C: New.
753         * libitm.h (_ITM_cxa_free_exception): New.
754         * libitm.map (_ITM_cxa_free_exception): Add it.
755         * libitm.texi: Update ABI docs.
756         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
757         (gtm_transaction_cp::cxa_uncaught_count): Add.
758         (gtm_thread::cxa_unthrown): Remove.
759         (gtm_thread::cxa_uncaught_count_ptr): Add.
760         (gtm_thread::cxa_uncaught_count): Add.
761         (gtm_thread::drop_references_allocations): Rename to...
762         (gtm_thread::discard_allocation): ... this and adapt.
763         (gtm_thread::init_cpp_exceptions): New.
764         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
765         (gtm_thread::begin_transaction): Likewise.
766         (gtm_transaction_cp::save): Likewise.
767         (gtm_thread::trycommit): Likewise.
768         * eh_cpp.cc: Add overview comments.
769         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
770         (free_any_exception, _ITM_cxa_free_exception): New.
771         (gtm_thread::init_cpp_exceptions): Define.
772         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
773         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
774         (gtm_thread::revert_cpp_exceptions): Likewise.
776 2015-11-09  Torvald Riegel  <triegel@redhat.com>
778         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
779         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
780         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
781         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
782         (gtm_thread::forget_allocations): New overload with size_t argument.
783         * alloc.c (gtm_thread::forget_allocation): Define new overload and
784         adapt existing one.
785         (gtm_thread::record_allocation): Adapt.
786         (gtm_thread::commit_allocations_1): Adapt.
787         (gtm_thread::commit_allocations_2): Adapt.
788         * testsuite/libitm.c++/newdelete.C: New.
790 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
791             Joseph Myers  <joseph@codesourcery.com>
792             Mark Shinwell  <shinwell@codesourcery.com>
793             Andrew Stubbs  <ams@codesourcery.com>
794             Rich Felker <dalias@libc.org>
796         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
797         GTM_begin_transaction for compatibility with FDPIC.
799 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
801         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
802         using load_gcc_lib.
804 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
806         PR libitm/61164
807         * local_atomic (__always_inline): Rename to...
808         (__libitm_always_inline): ... this.
810 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
812         PR target/52482
813         * config/powerpc/sjlj.S: Port to Xcode 2.5.
815 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
817         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
818         operands "op" and "val" to int.
820 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
822         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
823         "op" and "val" to int.
825 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
827         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
828         "op" and "val" to int.
830 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
832         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
833         Declare as static int.
834         (FUTEX_PRIVATE_FLAG): Remove L suffix.
835         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
837 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
839         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
840         sys_futex0 function.
842 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
844         * Makefile.in: Regenerated with automake-1.11.6.
845         * aclocal.m4: Likewise.
846         * configure: Likewise.
847         * testsuite/Makefile.in: Likewise.
849 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
851         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
852         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
854 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
856         PR libitm/64360
857         * libitm.c/stackundo.c (test2): Make it static.
858         (test1): Likewise.
860 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
862         Update copyright years.
864 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
866         * libitm.texi: Bump @copying's copyright year.
868 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
870         * testsuite/lib/libitm.exp: Load target-utils.exp.
871         Move load of target-supports.exp earlier.
873 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
875         * configure.tgt (x86_64): Tune -m32 multilib to generic.
877 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
879         PR bootstrap/63784
880         * configure: Regenerated.
882 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
884         PR target/63610
885         * configure: Regenerate.
887 2014-10-06  Marek Polacek  <polacek@redhat.com>
889         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
890         * testsuite/libitm.c/memset-1.c: Likewise.
892 2014-07-24  Richard Henderson  <rth@redhat.com>
894         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
895         addressing mode in epilogue.
897 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
899         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
900         -mclear-hwcap instead.
901         * configure: Regenerate.
902         * clearcap.map: Remove.
904 2014-05-21  John Marino  <gnugcc@marino.st>
906         * configure.tgt (*-*-dragonfly*): New target.
908 2014-05-19  Richard Henderson  <rth@redhat.com>
910         * config/aarch64/sjlj.S: New file.
911         * config/aarch64/target.h: New file.
912         * configure.tgt: Enable aarch64.
914 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
916         * config/generic/asmcfi.h: Also check for
917         __GCC_HAVE_DWARF2_CFI_ASM.
919 2013-04-02  Richard Henderson  <rth@redhat.com>
921         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
922         * config/arm/target.h, config/sh/target.h: Likewise.
923         * config/sparc/target.h, config/x86/target.h: Likewise.
925 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
927         * config/linux/futex_bits.h: Include errno.h.
928         (sys_futex0): If syscall returns -1, return -errno rather than
929         -1.
931 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
933         * libitm.texi (Index): Rename to Library Index.
935 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
937         PR libitm/53113
938         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
939         (x86_avx.lo): Append -mavx to CXXFLAGS.
940         * Makefile.in: Regenerate.
942 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
944         Update copyright years
946 2014-01-02  Tobias Burnus  <burnus@net-b.de>
948         * libitm.texi: Bump @copying's copyright year.
950 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
952         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
953         (FUNC): Define ELFv2 variant.
954         (END): Likewise.
955         (HIDDEN): Likewise.
956         (CALL): Likewise.
957         (BASE): Likewise.
958         (LR_SAVE): Likewise.
960 2013-09-20  Alan Modra  <amodra@gmail.com>
962         * configure: Regenerate.
964 2013-08-30  Torvald Riegel  <triegel@redhat.com>
966         * config/posix/rwlock.cc: Fix initialization order.
968 2013-08-30  Torvald Riegel  <triegel@redhat.com>
970         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
971         (htm_fastpath): Assign an asm name.
972         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
973         HTM fast paths.
974         (_ITM_actions): Likewise.
975         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
976         x86_64.
977         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
978         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
979         field to the start of the structure.
980         * config/linux/rwlock.h (gtm_rwlock): Update comments.
981         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
982         handling for custom HTM fast paths.
984 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
985         Revert:
986         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
988         * configure.tgt: Add -msoft-float to XCFLAGS.
990 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
992         * configure.tgt: Add -msoft-float to XCFLAGS.
994 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
996         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
997         (htm_transaction_active): Enable zEC12 instructions in the
998         assembler.
999         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
1001 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1003         * acinclude.m4: Add htm asm check for s390.
1004         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
1005         * configure: Regenerate.
1006         * config/s390/target.h: Remove __HTM__ check.
1007         (htm_available): Call getauxval to get hwcaps and check whether
1008         HTM is available or not.
1010 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
1012         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
1013         * configure.ac: Use it.
1014         (AC_CHECK_HEADERS): Check for sys/auxv.h.
1015         (AC_CHECK_FUNCS): Check for getauxval.
1016         * config.h.in, configure: Rebuild.
1017         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
1018         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
1019         (USE_HTM_FASTPATH): Define.
1020         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
1021         _HTM_RETRIES) New macros.
1022         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
1023         htm_begin_success, htm_commit, htm_transaction_active): New functions.
1025 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1027         * config/s390/target.h: Include htmintrin.h.
1028         (_HTM_ITM_RETRIES): New macro definition.
1029         (htm_available, htm_init, htm_begin, htm_begin_success)
1030         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
1032 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
1033             Cesar Philippidis  <cesar@codesourcery.com>
1035         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
1036         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
1037         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
1038         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
1040 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1042         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
1043         (_ITM_getTransactionId): Same.
1044         * config/x86/target.h (htm_transaction_active): New.
1046 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1048         PR libitm/57643
1049         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
1050         the HTM fastpath.
1052 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
1054         PR bootstrap/56714
1055         * local_atomic (__always_inline): Always define our version.
1056         (__calculate_memory_order): Mark inline.
1057         (atomic_thread_fence): Ditto.
1058         (atomic_signal_fence): Ditto.
1059         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
1060         (atomic_bool::atomic_flag_clear_explicit): Ditto.
1061         (atomic_bool::atomic_flag_test_and_set): Ditto.
1062         (atomic_bool::atomic_flag_clear): Ditto.
1064 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1066         * config/s390/sjlj.S: New file.
1067         * config/s390/target.h: New file.
1068         * configure.tgt: Set options for S/390.
1070 2013-03-23  Andi Kleen  <ak@linux.intel.com>
1072         * local_atomic (__always_inline): Add.
1073         (__calculate_memory_order, atomic_thread_fence,
1074         atomic_signal_fence, test_and_set, clear, store, load,
1075         exchange, compare_exchange_weak, compare_exchange_strong,
1076         fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
1077         Add __always_inline to force inlining.
1079 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
1080             Jack Howarth  <howarth@bromo.med.uc.edu>
1081             Patrick Marlier  <patrick.marlier@gmail.com>
1083         PR libitm/55693
1084         * alloc_cpp.cc: Enable function declarations on darwin.
1085         * eh_cpp.cc: Likewise.
1087 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
1089         Update copyright years.
1091 2012-11-09  Torvald Riegel  <triegel@redhat.com>
1093         * beginend.cc (htm_fastpath): New.
1094         (gtm_thread::begin_transaction, _ITM_commitTransaction,
1095         _ITM_commitTransactionEH): Add HTM fastpath handling.
1096         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
1097         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
1098         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
1099         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
1100         * configure.tgt: Add -mrtm to XCFLAGS.
1101         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
1102         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
1103         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
1104         * retry.cc (parse_default_method): Add HTM method parsing.
1105         (gtm_thread::number_of_threads_changed): Use HTM by default if
1106         available.
1108 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
1110         * configure: Regenerate.
1112 2012-10-31  Richard Henderson  <rth@redhat.com>
1114         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
1115         * configure.ac: Use it.
1116         * config.h.in, configure: Rebuild.
1117         * testsuite/Makefile.in: Rebuild.
1119 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1121         * libitm.texi: Clarify ABI requirements for data-logging functions.
1123 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1125         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
1126         it requires serial mode instead of assuming that for certain
1127         dispatchs.
1128         * dispatch.h (abi_dispatch::requires_serial): New.
1129         (abi_dispatch::abi_dispatch): Adapt.
1130         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
1131         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
1132         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
1133         serial_dispatch::serial_dispatch,
1134         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
1136 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1138         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
1139         and ia32 declarations some more.
1140         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
1142 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
1144         PR other/43620
1145         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
1146         * configure: Regenerate.
1147         * Makefile.in: Regenerate.
1149 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
1151         * configure: Regenerated.
1153 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
1155         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
1157 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
1159         * eh_cpp.cc: Fix __cxa_end_catch declaration.
1161 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
1163         * configure: Regenerated.
1165 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
1167         PR libitm/52854
1168         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
1169         for x86-64.
1171 2012-04-03  Tristan Gingold  <gingold@adacore.com>
1173         * configure: Regenerate.
1175 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1177         PR bootstrap/52812
1178         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
1180 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1182         * testsuite/lib/libitm.exp: load fortran-modules.exp
1184 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1186         * configure.tgt (*-*-irix6*): Remove.
1188 2012-03-13  Torvald Riegel  <triegel@redhat.com>
1190         PR libitm/52526
1191         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
1192         wake-up.
1194 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1196         * configure.tgt (*-*-osf*): Remove.
1197         * configure: Regenerate.
1199 2012-03-05  Torvald Riegel  <triegel@redhat.com>
1201         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
1202         memtransfer/memset if size isn't larger than zero.
1204 2012-03-02  Torvald Riegel  <triegel@redhat.com>
1206         * libitm.texi: Link to specification and add a usage example.
1208 2012-02-24  Torvald Riegel  <triegel@redhat.com>
1210         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
1211         default dispatch for more than 1 thread to ml_wt.
1213 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1215         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
1217 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1219         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
1221 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1223         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
1224         serial mode corner cases made obsolete by prior gtm_rwlock changes.
1225         (gl_wt_dispatch.rollback): Same.
1227 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1229         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
1231 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1233         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
1234         for RfW src.  Optimize number of calls to gtm_thr.
1236 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1238         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
1239         acquisition to ...
1240         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
1241         (default_dispatch): Make atomic.
1242         (GTM::gtm_thread::set_default_dispatch): Access atomically.
1243         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
1244         use decide_begin_dispatch() if default_dispatch might have changed.
1245         (GTM::gtm_thread::number_of_threads_changed): Initialize
1246         default_dispatch here.
1248 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
1249             Patrick Marlier  <patrick.marlier@gmail.com>
1251         PR libitm/52220
1252         * alloc_cpp.cc: No dummy definitions for darwin.
1253         * eh_cpp.cc: Likewise.
1255 2012-02-14  Richard Henderson  <rth@redhat.com>
1257         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
1259 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1261         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
1263 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1265         * libitm_i.h (GTM::gtm_rwlog_entry): New.
1266         (GTM::gtm_thread): Add read and write logs.
1267         (GTM::dispatch_ml_wt): Declare.
1268         * retry.cc (parse_default_method): Support ml_wt.
1269         * method-ml.cc: New file.
1270         * Makefile.am: Add method-ml.cc.
1271         * Makefile.in: Regenerate.
1273 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1275         * dispatch.h (GTM::abi_dispatch::supports): New.
1276         (GTM::method_group::reinit): New.
1277         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1278         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1279         supports the current situation.
1281 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1283         * util.cc (GTM::xcalloc): New.
1284         * common.h (GTM::xcalloc): Declare.
1286 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1288         * config/sparc/target.h (cpu_relax): Read from CC register.
1289         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1291 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1293         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1295 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1297         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1298         * config/sparc/cacheline.h: New file.
1299         * config/sparc/target.h: Likewise.
1300         * config/sparc/sjlj.S: Likewise.
1301         * config/linux/sparc/futex_bits.h: Likewise.
1303 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1305         * configure.ac (link_itm): Fix comment.
1306         * configure: Regenerate.
1307         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1309 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1311         PR libitm/51822
1312         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1313         Correct libgomp references.
1315 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1317         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1318         wake-up.
1320 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1322         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1323         end of structure.
1324         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1325         offset values.  Do not copy return address.  Decrement stack
1326         by 56 bytes only.
1327         (GTM_longjump) [__x86_64__]: Update offset values.
1329 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1331         PR libitm/51830
1332         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1333         the first function argument to %eax.
1335 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1337         * libitm.h (_ITM_getThreadnum): Remove.
1338         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1340 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1342         * clearcap.map: New file.
1343         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1344         * configure.ac: Call it.
1345         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1346         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1347         * configure: Regenerate.
1348         * Makefile.in: Regenerate.
1349         * testsuite/Makefile.in: Regenerate.
1351 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1353         PR libitm/51173
1354         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1355         include, exclude options.
1357 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1359         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1360         rolling back.
1361         * containers.h (GTM::vector::set_size): New.
1363 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1365         PR libitm/51855
1366         * config/generic/tls.h (GTM::mask_stack_top): New.
1367         (GTM::mask_stack_bottom): Declare.
1368         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1369         * local.cc (gtm_undolog::rollback): Filter out any updates that
1370         overlap the libitm stack.  Add current transaction as parameter.
1371         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1372         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1373         * testsuite/libitm.c/stackundo.c: New test.
1375 2012-01-10  Richard Henderson  <rth@redhat.com>
1377         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1378         * eh_cpp.cc (_Unwind_DeleteException): Define for
1379         !HAVE_ELF_STYLE_WEAKREF.
1381 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1383         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1384         (GTM::gtm_thread::drop_references_undolog): Remove.
1385         (GTM::gtm_thread::commit_undolog,
1386         GTM::gtm_thread::rollback_undolog): Move to ...
1387         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1388         (GTM::gtm_undolog_entry): Remove.
1389         (GTM::gtm_thread): Adapt.
1390         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1391         (GTM::gtm_thread::trycommit): Adapt.
1392         * method-serial.cc (serial_dispatch::log): Adapt.
1393         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1394         (gl_wt_dispatch::store): Fix likely/unlikely.
1395         * containers.h (GTM::vector::resize): Add additional_capacity
1396         parameter and handle it.
1397         (GTM::vector::resize_noinline): New/adapt.
1398         (GTM::vector::push): New.
1400 2012-01-06  Richard Henderson  <rth@redhat.com>
1402         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1403         * config/linux/powerpc/futex_bits.h: New file.
1404         * config/powerpc/cacheline.h: New file.
1405         * config/powerpc/sjlj.S: New file.
1406         * config/powerpc/target.h: New file.
1407         * config/generic/asmcfi.h (cfi_offset): New.
1408         (cfi_restore, cfi_undefined): New.
1410 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1412         PR other/51171
1413         * testsuite/libitm.c/reentrant.c: Remove xfail.
1414         (thread): Pass x to pure().
1415         From Patrik Marlier <patrick.marlier@gmail.com>.
1417 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1419         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1420         privatization safety if already in serial mode.
1422 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1424         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1425         finish_serial_upgrade parameter.
1426         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1427         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1428         Don't unset reader flag.
1429         (GTM::gtm_rwlock::write_upgrade_finish): New.
1430         * config/posix/rwlock.cc: Same.
1431         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1432         Declare.
1433         * config/posix/rwlock.h: Same.
1434         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1435         flag after commit or after rollback when restarting.
1437 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1439         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1440         (GTM::gtm_thread::try_commit): Changed memory order.
1441         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1442         as parameter.
1443         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1444         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1445         * config/linux/futex_bits.h (sys_futex0): Same.
1446         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1447         * config/linux/futex.h (futex_wait, futex_wake): Same.
1448         * config/linux/rwlock.h (gtm_rwlock::writers,
1449         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1450         ints.
1451         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1452         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1453         gtm_rwlock::write_unlock): Fix memory orders and fences.
1454         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1455         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1456         gtm_rwlock::write_unlock): Same.
1457         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1458         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1459         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1460         Add comments.
1461         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1462         gl_wt_dispatch::load, gl_wt_dispatch::store,
1463         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1464         orders and fences.  Add comments.
1466 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1468         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1469         * Makefile.in: Regenerated.
1471 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1473         * configure.tgt: Add sh* case.
1474         * config/sh/target.h: New file.
1475         * config/sh/sjlj.S: New file.
1476         * config/linux/sh/futex_bits.h: New file.
1478 2011-12-14  Richard Henderson  <rth@redhat.com>
1480         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1481         * config/arm/sjlj.S, config/arm/target.h: New files.
1482         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1483         (cfi_rel_offset): New.
1484         * config/linux/futex_bits.h: New file.
1485         * config/linux/futex.cc: Include futex_bits.h here...
1486         * config/linux/futex.h: ... not here.
1487         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1488         * configure.ac (ARCH_AM): New conditional.
1489         * Makefile.in, configure: Rebuild.
1490         * configure.tgt: Handle ARM.
1492 2011-12-13  Richard Henderson  <rth@redhat.com>
1494         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1495         signed/unsigned comparison werror.
1497         * local_atomic: New file.
1498         * libitm_i.h: Include it.
1499         (gtm_thread::shared_state): Use atomic template.
1500         * beginend.cc (GTM::gtm_clock): Use atomic template.
1501         (global_tid): Use atomic template if 64-bit atomics available.
1502         (gtm_thread::gtm_thread): Update shared_state access.
1503         (gtm_thread::trycommit): Likewise.
1504         (choose_code_path): Update global_tid access.
1505         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1506         * stmlock.h (GTM::gtm_clock): Use atomic template.
1507         (gtm_get_clock, gtm_inc_clock): Update accesses.
1508         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1509         redundant __sync_synchronize after atomic shared_state access.
1510         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1511         (gtm_rwlock::write_lock_generic): Likewise.
1512         (gtm_rwlock::read_unlock): Likewise.
1513         * config/alpha/target.h (atomic_read_barrier): Remove.
1514         (atomic_write_barrier): Remove.
1515         * config/x86/target.h (atomic_read_barrier): Remove.
1516         (atomic_write_barrier): Remove.
1518 2011-11-30  Richard Henderson  <rth@redhat.com>
1520         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1521         * beginend.c (_ITM_abortTransaction): Update to match.
1522         (GTM::gtm_thread::restart): Likewise.
1523         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1524         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1526 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1528         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1529         * Makefile.in: Regenerate.
1531 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1533         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1534         * alloc_cpp.cc: Generate dummy functions if we don't
1535         HAVE_ELF_STYLE_WEAKREF.
1536         * eh_cpp.cc: Likewise.
1537         * configure: Regenerate.
1538         * aclocal.m4:  Likewise.
1539         * config.h.in: Likewise.
1540         * Makefile.in: Likewise.
1541         * testsuite/Makefile.in: Likewise.
1543 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1545         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1546         __USER_LABEL_PREFIX__ for targets that use it.
1547         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1548         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1549         in portability to non-elf targets.
1550         (GTM_longjmp): Likewise.
1551         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1552         where required.
1554 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1556         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1557         * testsuite/libitm.c/memset-1.c: Likewise.
1559 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1561         * configure: Regenerate.
1563 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1565         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1566         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1567         * Makefile.am: Handle sun style versioning.
1568         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1569         * configure: Regenerate.
1570         * Makefile.in: Regenerate.
1572 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1574         * config/generic/asmcfi.h: Fix comment.
1575         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1576         sequence without .hidden support, error for non-ELF targets.
1577         (GTM_longjmp) [__ELF__]: Only use .hidden if
1578         HAVE_ATTRIBUTE_VISIBILITY.
1580 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1582         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1583         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1584         Dummy functions.
1585         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1586         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1588 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1590         PR bootstrap/51098
1591         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1592         * configure: Regenerate.
1594 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1596         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1598 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1600         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1601         .hidden.
1602         (.note.GNU-stack): Only use if __linux__.
1603         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1604         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1605         * testsuite/libitm.c/reentrant.c: Likewise.
1606         * testsuite/libitm.c/simple-2.c: Likewise.
1607         * testsuite/libitm.c/txrelease.c: Likewise.
1608         * testsuite/libitm.c++/static_ctor.C: Likewise.
1610 2011-11-10  Richard Henderson  <rth@redhat.com>
1612         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1613         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1614         * configure.ac (ARCH_X86_AVX): New conditional.
1615         * Makefile.in, configure: Rebuild.
1617 2011-11-09  Richard Henderson  <rth@redhat.com>
1619         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1620         * configure.ac: Use it.
1621         * config.h.in, configure: Rebuild.
1622         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1624 2011-11-09  Richard Henderson  <rth@redhat.com>
1626         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1627         * config/alpha/unaligned.h: Remove file.
1628         * config/generic/unaligned.h: Remove file.
1629         * config/x86/unaligned.h: Remove file.
1630         * config/generic/cachepage.h: Remove file.
1631         * config/posix/cachepage.cc: Remove file.
1632         * config/generic/cacheline.cc: Remove file.
1633         * config/x86/cacheline.cc: Remove file.
1634         * config/generic/cacheline.h (gtm_cacheline): Remove the
1635         store_mask, copy_mask, copy_mask_wb methods.
1636         * config/x86/cacheline.h: Likewise.
1637         * config/alpha/cacheline.h: Fall back to generic after setting size.
1638         * config/generic/tls.cc (gtm_mask_stack): Remove.
1639         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1640         (GTM_vpalignr_table): Remove.
1641         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1642         (GTM_pshift_table): Remove.
1643         * config/libitm_i.h: Don't include cachepage.h.
1644         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1645         * Makefile.in, testsuite/Makefile.in: Rebuild.
1647 2011-11-09  Richard Henderson  <rth@redhat.com>
1649         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1650         to emit branch prediction hint.
1652         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1653         Protect .note.GNU-stack with __linux__.
1655         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1656         * configure, aclocal.m4, config.h.in: Rebuild.
1657         * config/generic/asmcfi.h: New file.
1658         * config/x86/sjlj.S: Use it.
1660 2011-11-08  Richard Henderson  <rth@redhat.com>
1662         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1664 2011-11-08  Richard Henderson  <rth@redhat.com>
1666         * configure.tgt: Test correct directory for supported cpus.
1668         * configure.ac: Exit if unsupported.
1669         * configure: Rebuild.
1670         * configure.tgt: Delete boilerplate from libgomp for unsupported
1671         targets.  Set UNSUPPORTED for unsupported targets.
1673 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1675         * configure.tgt: Handle i386 like i[456]86.
1676         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1677         take address.
1678         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1679         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1681 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1683         * method-wbetl.cc: Update copyright notice.
1684         * aatree.cc: Same.
1685         * util.cc: Same.
1686         * libitm.h: Same.
1687         * memset.cc: Same.
1688         * eh_cpp.cc: Same.
1689         * barrier.tpl: Same.
1690         * useraction.cc: Same.
1691         * stmlock.h: Same.
1692         * memcpy.cc: Same.
1693         * common.h: Same.
1694         * config/generic/tls.cc: Same.
1695         * config/generic/cacheline.h: Same.
1696         * config/generic/cachepage.h: Same.
1697         * config/generic/cacheline.cc: Same.
1698         * config/generic/unaligned.h: Same.
1699         * config/x86/cacheline.h: Same.
1700         * config/x86/cacheline.cc: Same.
1701         * config/x86/unaligned.h: Same.
1702         * config/alpha/cacheline.h: Same.
1703         * config/alpha/unaligned.h: Same.
1704         * config/alpha/sjlj.S: Same.
1705         * config/posix/cachepage.cc: Same.
1706         * config/linux/futex.h: Same.
1707         * config/linux/alpha/futex_bits.h: Same.
1709 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1711         * libitm.texi: No cover text and invariant sections.
1713 2011-11-03  Richard Henderson  <rth@redhat.com>
1715         * local_type_traits: New file.
1716         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1718 2011-11-03  Richard Henderson  <rth@redhat.com>
1720         * configure.ac: Don't test for gfortran.
1721         * configure: Rebuild.
1723         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1724         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1726 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1728         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1729         * testsuite/libitm.c/memset-1.c: Same.
1730         * testsuite/libitm.c/c.exp: Same.
1731         * testsuite/lib/libitm-dg.exp: Same.
1732         * testsuite/lib/libitm.exp: Same.
1733         * testsuite/libitm.c++/c++.exp: Same.
1735 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1737         * testsuite/config/default.exp: Update copyright date.
1738         * configure.ac: Add copyright info.
1739         * configure.tgt: Same.
1741 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1743         * testsuite/libitm.c/reentrant.c: XFAIL.
1744         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1746 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1748         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1749         handle aborts.
1750         (_ITM_abortTransaction): Handle aborts of outer transactions.
1751         * libitm_i.h: Same.
1752         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1753         * libitm.texi: Document aborts of outer transactions.
1754         * testsuite/libitm.c/cancel.c: New file.
1756 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1758         * testsuite/*: Change __transaction to __transaction_atomic or
1759         __transaction_relaxed.
1761 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1763         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1764         (gtm_thr): Same.
1766 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1768         * libitm_i.h: Add gl_wt dispatch.
1769         * retry.cc (parse_default_method): Same.
1770         * method-gl.cc: New file.
1771         * Makefile.am: Use method-gl.cc.
1772         * Makefile.in: Rebuild.
1774 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1776         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1777         safety if requested by a TM method.
1778         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1779         privatization safety.
1780         * method-serial.cc: Same.
1782 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1784         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1785         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1786         undolog-related member functions from *_local to *_undolog.
1787         * local.cc (gtm_thread::commit_undolog): Same.
1788         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1789         (GTM::gtm_thread::rollback): Roll back undolog before
1790         dispatch-specific rollback.
1792 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1794         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1795         re-initialization of the current method group.
1796         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1798 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1800         * alloc.cc (commit_allocations_2): Do not free transaction-local
1801         memory when committing a nested transaction.
1803 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1805         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1806         serial-irrevocable dispatch, not serial.
1808 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1810         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1811         declarations.
1812         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1813         * method-serial.cc: Implement begin_or_restart().
1814         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1815         dispatch-specific begin_or_restart().
1816         (GTM::gtm_thread::restart): Same.
1818 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1820         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1821         restarting without switching to serial mode.
1822         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1823         transaction state. Choose closed-nesting alternative if available.
1824         (GTM::gtm_thread::set_default_dispatch): New.
1825         (parse_default_method): New.
1826         (GTM::gtm_thread::number_of_threads_changed): New.
1827         * method-serial.cc (GTM::serial_mg): New method group class.
1828         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1829         fini.
1830         (GTM::serial_dispatch): Same.
1831         (GTM::serialirr_onwrite_dispatch): Same.
1832         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1833         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1834         registered threads.
1835         (GTM::gtm_thread::gtm_thread): Same.
1836         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1837         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1838         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1839         choose dispatch but set state according to dispatch here.
1840         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1841         (GTM::method_group): New class.
1842         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1843         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1844         * libitm.texi: Document TM methods, method groups, method life cycle.
1845         Rename method sets to method groups.
1847 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1849         * config/x86/tls.h: Moved to ...
1850         * config/linux/x86/tls.h: ... here.
1852 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1854         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1855         Add X32 support.
1856         * config/x86/sjlj.S: Same.
1858 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1860         * config/linux/rwlock.h: New file.
1861         * config/linux/rwlock.c: New file.
1862         * configure.ac: Reenable futex support (undo SVN rev 157758).
1863         * Makefile.am: Same.
1864         * configure.tgt: Same.
1865         * config/linux/alpha/futex_bits.h: Same.
1866         * config/linux/futex.h: Same. Return number of woken processes.
1867         * config/linux/futex.cc: Same.
1868         (futex_wait): Remove spinning.
1869         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1870         Use __x86_64__ instead of __LP64__.
1871         * aclocal.m4: Include generic futex checks.
1872         * configure: Rebuild.
1873         * Makefile.in: Rebuild.
1874         * testsuite/Makefile.in: Rebuild.
1875         * beginend.cc: Include pthread.h.
1876         * config/posix/cachepage.cc: Same.
1878 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1880         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1881         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1882         (set_gtm_thr): New.
1883         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1884         (set_gtm_thr): New.
1885         (GTM::gtm_thread::thread_num): Removed.
1886         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1887         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1888         tx-to-thread renaming.
1889         * beginend.cc: Adapted to tx-to-thread renaming.
1890         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1891         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1892         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1893         gtm_transaction to gtm_thread.
1894         (_ITM_getThreadnum): Removed. Not supported anymore.
1895         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1896         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1897         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1898         gtm_tx-to-gtm_thr renaming if necessary.
1899         * eh_cpp.cc: Same.
1900         * local.cc: Same.
1901         * retry.cc: Same.
1902         * clone.cc: Same.
1903         * alloc.cc: Same.
1904         * alloc_c.cc: Same.
1905         * alloc_cpp.cc: Same.
1906         * method-serial.cc: Same.
1907         * config/generic/tls.cc: Same.
1908         * config/posix/rwlock.h (gtm_rwlock): Same.
1909         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1911 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1913         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1914         implementation.
1915         (gtm_rwlock::read_unlock): Same.
1916         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1917         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1918         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1919         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1920         w_upgrade. Replaced by per-transaction flags (in shared_state).
1921         Added c_confirmed_writers.
1922         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1923         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1924         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1925         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1926         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1927         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1928         * libitm.texi: Document locking conventions and implementations in
1929         libitm.
1931 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1933         * libitm_i.h (next_tx): Add list of all threads' transaction.
1934         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1935         transaction with list of transactions and ...
1936         (thread_exit_handler): ... deregister here.
1937         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1938         * config/x86/target.h: Same.
1940 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1942         * testsuite/libitm.c++/static_ctor.C: New file.
1944 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1946         * testsuite/libitm.c/reentrant.c: New file.
1948 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1950         * config/generic/tls.h: Remove the free list for transactions and ...
1951         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1952         (GTM::gtm_transaction::operator delete): ... and release here.
1953         (thread_exit_handler): New. Delete tx when thread terminates.
1954         (thread_exit_init): New.
1955         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1956         * testsuite/libitm.c/txrelease.c: New file.
1958 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1960         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1961         * testsuite/libitm.c/notx.c: New file.
1963 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1965         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1966         * libitm_i.h (local_tid): ... to here.
1967         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1968         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1970 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1972         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1973         serialirr_onwrite_dispatch as new default for now.
1974         * method-serial.cc (serialirr_onwrite_dispatch): New.
1975         (GTM::dispatch_serialirr_onwrite): New.
1976         * libitm_i.h: Same.
1978 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1980         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1981         * query.cc (_ITM_getTransactionId): There is no active transaction if
1982         the current nesting level is zero.
1984 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1986         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1987         rollback.
1989 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1991         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1992         transaction properties from the caller instead of from the
1993         transaction object.
1994         * libitm_i.h: Same.
1995         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1997 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1999         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
2000         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
2001         * dispatch.h: Same.
2002         * method-serial.cc: Same.
2003         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
2004         flat nesting as default, and closed nesting on demand.
2005         (GTM::gtm_transaction::rollback): Same.
2006         (_ITM_abortTransaction): Same.
2007         (GTM::gtm_transaction::restart): Same.
2008         (GTM::gtm_transaction::trycommit): Same.
2009         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
2010         (choose_code_path): New.
2011         (GTM::gtm_transaction_cp::save): New.
2012         (GTM::gtm_transaction_cp::commit): New.
2013         * query.cc (_ITM_inTransaction): Support flat nesting.
2014         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
2015         (GTM::gtm_transaction): Support flat and closed nesting.
2016         * alloc.cc (commit_allocations_2): New.
2017         (commit_cb_data): New helper struct.
2018         (GTM::gtm_transaction::commit_allocations): Handle nested
2019         commits/rollbacks.
2020         * libitm.texi: Update user action section, add description of nesting.
2022 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2024         * libitm_i.h: Add closed nesting as restart reason.
2025         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
2027 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2029         * useraction.cc: Use vector instead of list to store actions.
2030         Also support partial rollbacks for closed nesting.
2031         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
2032         * beginend.cc: Same.
2034 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2036         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
2037         closed_nesting flags, as well as a closed nesting alternative.
2038         * method-serial.cc: Same.
2039         (serial_dispatch): Renamed to serialirr_dispatch.
2040         (GTM::dispatch_serialirr): Same.
2041         (serial_dispatch_ul): Renamed to serial_dispatch.
2042         (GTM::dispatch_serial): Same.
2044 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2046         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
2048 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2050         * aatree.h (aa_tree::remove): New.
2051         (aa_tree::operator new): Add placement new.
2053 2011-07-02  Torvald Riegel  <triegel@redhat.com>
2055         * containers.h: New file.
2056         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
2057         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
2058         * common.h: ... to here.
2059         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
2060         * local.cc: Same.
2062 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2064         * libitm_i.h (STATE_ABORTING): Remove.
2065         * beginend.cc (_ITM_abortTransaction): Same.
2066         (GTM::gtm_transaction::trycommit_and_finalize): Same.
2067         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
2068         (_ITM_rollbackTransaction): Remove.
2069         * beginend.cc: Same.
2070         * libitm.map: Same.
2071         * libitm.texi: Document these ABI changes.
2073 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2075         * libitm.texi: New file.
2076         * Makefile.am: Add libitm.texi.
2077         * Makefile.in: Rebuild.
2079 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2081         * libitm_i.h: Move parts to common.h and dispatch.h.
2082         * common.h: New file.
2083         * dispatch.h: New file, new dispatch class.
2084         Rename GTM::abi_dispatch::lock_type to ls_modifier.
2085         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
2086         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
2087         decision to retry.cc.
2088         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
2089         only.
2090         (GTM::gtm_transaction::decide_begin_dispatch): Same.
2091         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
2092         logging.
2093         * barrier.cc: Use new barriers definitions.
2094         (abi_dispatch::memmove_overlap_check): New.
2095         * config/x86/x86_sse.cc: Same.
2096         * config/x86/x86_avx.cc: Same.
2097         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
2098         memcpy.cc.
2099         * Makefile.in: Rebuild.
2100         * method-readonly.cc: Remove.
2101         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
2102         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
2104 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2106         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
2107         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
2108         * testsuite/libitm.c/dropref-2.c: Same.
2109         * testsuite/libitm.c/dropref.c: Same.
2111 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2113         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
2114         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
2115         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
2116         * alloc_c.cc: Same.
2117         * barrier.tpl: Same.
2118         * beginend.c: Same.
2119         * config/generic/tls.h: Same.
2120         * config/x86/tls.h: Same.
2121         * libitm_i.h: Same.
2122         * memcpy.cc: Same.
2123         * memset.cc: Same.
2124         * method-readonly.cc: Same.
2125         * method-serial.cc: Same.
2126         * method-wbetl.cc: Same.
2127         * retry.cc: Same.
2129 2011-03-03  Richard Henderson  <rth@redhat.com>
2131         * config/posix/rwlock.cc (write_upgrade): Add missing case.
2132         From Patrik Marlier <patrick.marlier@unine.ch>.
2134 2011-02-03  Richard Henderson  <rth@redhat.com>
2136         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
2137         * configure.ac: Use it.
2138         * configure, config.h.in: Rebuild.
2139         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
2140         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
2141         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
2142         * libitm.map: Use wildcards to match size_t mangling.
2144 2010-12-14  Richard Henderson  <rth@redhat.com>
2146         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
2147         blocks of TIDs per thread.
2148         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
2149         (setup_gtm_thr): Return the thread structure.
2150         * config/x86/tls.h (setup_gtm_thr): Likewise.
2152 2010-12-14  Richard Henderson  <rth@redhat.com>
2154         * clone.cc (table_lock): Remove.
2155         (find_clone): Don't take it.
2156         (ExcludeTransaction): New helper class.
2157         (_ITM_registerTMCloneTable): Use it.
2158         (_ITM_deregisterTMCloneTable): Likewise.
2160 2010-12-14  Richard Henderson  <rth@redhat.com>
2162         * config/x86/tls.h: New file.
2164 2010-07-15  Richard Henderson  <rth@redhat.com>
2166         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
2167         * Makefile.in: Rebuild.
2169 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2171         * method-wbetl.cc (trydropreference): Fix source line.
2173 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2175         * libitm.h: Add comment.
2176         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
2178 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
2180         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
2181         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
2182         available, use pthread mutexes.
2183         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
2184         * config.h.in: Regenerate.
2185         * configure: Regenerate.
2187 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
2189         * libitm.h (ITM_PURE): Define.
2190         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
2192 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2194         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
2195         (validate): Add comment.
2196         (trydropreference): New.
2197         * method-readonly.cc (class readonly_dispatch): Add
2198         trydropreference.
2199         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
2200         Call trydropreference().
2201         * libitm.h (_ITM_dropReferences): Remove const attribute.
2202         * method-serial.cc (class serial_dispatch): Add trydropreference.
2203         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
2205 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2207         * memcpy.cc (do_memcpy): Comment.
2209 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
2211         * barrier.tpl: Add comments throughout.
2213 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2215         * method-wbetl.cc (struct w_entry): Add comments.
2216         (trycommit): Same.
2217         (rollback): Same.
2219 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2221         * alloc_c.cc (_ITM_dropReferences): New.
2222         * libitm.map (_ITM_dropReferences): Add.
2223         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
2224         * libitm_i.h (struct gtm_transaction): Declare
2225         drop_references_allocations and drop_references_local.
2226         * local.cc (rollback_local): Ignore memory when applicable.
2227         (drop_references_local): New.
2229 2010-06-23  Richard Henderson  <rth@redhat.com>
2231         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
2232         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
2233         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
2234         * config/alpha/target.h: Likewise.
2235         * config/generic/tls.cc (gtm_mask_stack): Use it.
2237 2010-06-23  Richard Henderson  <rth@redhat.com>
2239         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
2240         a mutex instead of trying a lock-free compare-and-swap on the list.
2241         (gtm_cacheline_page::operator delete): Likewise.
2243 2010-06-16  Richard Henderson  <rth@redhat.com>
2245         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
2246         that overlap the libitm stack.
2247         * barrier.tpl: Mark incoming stack.
2248         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
2249         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
2250         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
2251         * memcpy.cc, memset.cc: Likewise.
2252         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
2253         * config/generic/tls.h (gtm_thread): Add stack_top member.
2254         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
2255         * libitm_i.h (gtm_mask_stack): Declare.
2256         * config/generic/tls.cc: New file.
2257         * Makefile.am (libitm_la_SOURCES): Add it.
2258         (AM_CXXFLAGS): Turn off exceptions.
2259         * Makefile.in: Rebuild.
2261 2010-06-16  Richard Henderson  <rth@redhat.com>
2263         * alloc.cc (struct gtm_alloc_action): Move definition ...
2264         * libitm_i.h: ... here.
2265         (class gtm_transaction): Declare new and delete.
2266         * beginend.cc (alloc_tx): Reformulate as operator new.
2267         (free_tx): Reformulate as operator delete.
2268         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
2270 2010-06-11  Richard Henderson  <rth@redhat.com>
2272         * clone.cc (clone_entry_compare): Fix typo.
2273         From Patrik Marlier <patrick.marlier@unine.ch>.
2275 2010-05-13  Richard Henderson  <rth@redhat.com>
2277         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2278         in extern "C".
2280 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2282         * libitm_i.h (struct gtm_transaction): Remove
2283         get_allocation_size.
2284         (record_allocation): Remove size parameter.
2285         * libitm.map (_ITM_realloc): Remove.
2286         * alloc_c.cc (_ITM_realloc): Remove.
2287         (_ITM_malloc): Remove size argument to record_allocation.
2288         (_ITM_calloc): Same.
2289         * alloc_cpp.cc (_ZGTtnwm): Same.
2290         (_ZGTtnwmRKSt9nothrow_t): Same.
2291         (_ZGTtnam): Same.
2292         (_ZGTtnamRKSt9nothrow_t): Same.
2293         * alloc.cc (struct gtm_alloc_action): Remove size.
2294         (get_allocation_size): Remove.
2295         (commit_allocations): Add comment.
2296         (record_allocation): Remove size parameter.
2297         (forget_allocation): Remove set of size.
2299 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2301         * Makefile.am (abi_version): New.
2302         (AM_CXXFLAGS): Pass abi_version.
2303         * Makefile.in: Regenerate.
2304         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2306 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2308         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2309         _ITM_getTMCloneOrIrrevokable.
2310         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2311         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2313 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2315         * configure.ac: Remove Linux futex support.
2316         * configure.tgt (config_path): Same.
2317         * Makefile.am: Same.
2318         * config/linux: Remove entire directory.
2319         * configure: Rebuild.
2320         * Makefile.in: Rebuild.
2321         * testsuite/Makefile.in: Rebuild.
2323 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2325         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2326         switching to serial mode.
2327         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2329 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2331         * configure.tgt: Add emacs -*- tags.
2332         * barrier.tpl: Same.
2334 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2336         * Makefile.am: Rename serial.cc to method-serial.cc.
2337         * Makefile.in: Regenerate with automake 1.11.1.
2338         * testsuite/Makefile.in: Same.
2339         * aclocal.m4: Regenerate with aclocal 1.11.1.
2340         * method-serial.cc: Rename from serial.cc.
2341         * libitm_i.h (struct gtm_transaction): Update comment on
2342         serialirr_mode.
2344 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2346         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2347         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2349 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2351         * configure: Rebuild.
2353 2009-11-12  Richard Henderson  <rth@redhat.com>
2355         * Rewrite everything in C++.
2357 2009-11-03  Richard Henderson  <rth@redhat.com>
2359         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2360         * Makefile.am (libitm_la_SOURCES): Add them.
2361         * configure.ac (ARCH_X86): New conditional.
2362         * Makefile.in, configure: Rebuild.
2363         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2364         Move futex setup into "other system configury" case.
2365         * local.c (rollback_local): Merge into ...
2366         (GTM_rollback_local): ... here.
2367         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2368         (_ITM_LB): Define as an alias to GTM_LB.
2370 2009-11-03  Richard Henderson  <rth@redhat.com>
2372         * method-readonly.c: New file.
2373         * Makefile.am (libitm_la_SOURCES): Add it.
2374         * Makefile.in: Rebuild.
2375         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2376         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2377         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2378         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2379         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2380         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2381         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2382         gtm_get_clock, gtm_inc_clock): New.
2383         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2384         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2385         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2386         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2387         replace uses with new libitm_i.h symbols.
2388         (dispatch_wbetl): Rename from wbetl_dispatch.
2389         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2390         away from dispatch_readonly; abort if the beginTransaction call
2391         asserted that the transaction was readonly.
2393 2009-11-03  Richard Henderson  <rth@redhat.com>
2395         * memset.c: New file.
2396         * Makefile.am (libitm_la_SOURCES): Add it.
2397         * Makefile.in: Rebuild.
2398         * testsuite/libitm.c/memset-1.c: New.
2400 2009-11-03  Richard Henderson  <rth@redhat.com>
2402         * dispatch.c: Remove file.
2403         * useraction.c (struct gtm_user_action): Move from libitm.h.
2404         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2405         (serial_memset, serial_memmove, serial_memcpy): Remove.
2406         (serial_W*, serial_R*): Remove.
2407         (serial_dispatch): Update to match.
2408         * configure.ac: Move Werror down below configure checks.  Don't
2409         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2410         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2411         Use GCC_AC_FUNC_MMAP_BLACKLIST
2412         * libitm.h: Split out all internal items to...
2413         * libitm_i.h: ... here.  New file.
2414         * copymask.c: New file.
2415         * local.c (struct gtm_local_undo): Move from libitm.h.
2416         (GTM_alloc_local): Rename from alloc_local; export.
2417         * memcpy.c: New file.
2418         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2419         * config/posix/page.c: New file.
2420         * config/posix/target_tls.h: Remove file.
2421         * barrier.c: New file.
2422         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2423         copymask.c, page.c.
2424         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2425         * method-wbetl.c: Rewrite for new cacheline methods.
2426         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2428         * config/alpha/sjlj.S: Fix typo.
2429         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2430         * config/alpha/copymask.c: New file.
2431         * config/alpha/target.h (CACHELINE_SIZE): New.
2432         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2434         * config/x86/target_i.h: Copy functions from x86/target.h.
2435         * config/x86/copymask.c: New file.
2436         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2437         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2438         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2439         * config/x86/target_tls.h: Move contents to target_i.h.
2441         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2442         * testsuite/libitm.c/memcpy-1.c: New.
2444 2009-10-22  Richard Henderson  <rth@redhat.com>
2446         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2447         (AM_CCASFLAGS): New.
2448         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2449         saving/restoring _AC_ARG_VAR_PRECIOUS.
2450         * Makefile.in, aclocal.m4, config.h.in, configure,
2451         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2453 2009-10-22  Richard Henderson  <rth@redhat.com>
2455         * testsuite/*: Update for new compiler syntax.
2457 2009-10-21  Richard Henderson  <rth@redhat.com>
2459         * libitm.h (_ITM_abortReason): Add outerAbort.
2461 2009-08-03  Richard Henderson  <rth@redhat.com>
2463         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2464         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2465         * method-wbetl.c (struct w_entry): Remove mask.
2466         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2467         adjust all callers.
2469 2009-07-22  Richard Henderson  <rth@redhat.com>
2471         * eh_cpp.c: New file.
2472         * Makefile.am (libitm_la_SOURCES): Add it.
2473         * Makefile.in: Rebuild.
2474         * beginend.c (GTM_rollback_transaction): Undo exception state.
2475         (GTM_trycommit_transaction): Mark inline.
2476         (GTM_trycommit_and_finalize_transaction): Split out from ...
2477         (_ITM_commitTransaction): ... here.
2478         (_ITM_commitTransactionEH): New function.
2479         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2480         cxa_unthrown, eh_in_flight; reorder.
2482         * testsuite/libitm.c++/c++.exp: New.
2483         * testsuite/libitm.c++/eh-1.C: New.
2485         * aatree.c (aa_free): Remove REGPARM.
2486         * aatree.h: Remove all REGPARM.
2488 2009-07-18  Richard Henderson  <rth@redhat.com>
2490         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2491         * Makefile.am (libitm_la_SOURCES): Add them.
2492         * Makefile.in: Rebuild.
2493         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2494         (GTM_trycommit_transaction): Likewise.
2495         * libitm.h: Include aatree.h
2496         (struct gtm_alloc_action): New.
2497         (struct gtm_transaction): Add alloc_actions.
2498         (GTM_record_allocation, GTM_forget_allocation): Declare.
2499         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2500         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2501         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2502         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2503         _ZGTtdaPvRKSt9nothrow_t): Export.
2505 2009-07-18  Richard Henderson  <rth@redhat.com>
2507         * target_tls.h: Move ...
2508         * config/posix/target_tls.h: ... here.
2510 2009-07-07  Richard Henderson  <rth@redhat.com>
2512         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2514 2009-07-07  Richard Henderson  <rth@redhat.com>
2516         * Update to GPL3.
2518 2009-07-07  Richard Henderson  <rth@redhat.com>
2520         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2521         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2523         * configure.tgt: Don't use -ftls-model for x86 linux.
2524         * libitm.h: Include target.h after standard includes.
2525         (_gtm_thr): Rename from gtm_thr.
2526         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2527         (gtm_disp, set_gtm_disp): New.
2528         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2529         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2530         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2532 2009-07-07  Richard Henderson  <rth@redhat.com>
2534         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2536 2009-07-06  Richard Henderson  <rth@redhat.com>
2538         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2539         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2540         (_ITM_beginTransaction): Take variadic arguments.
2541         (_ITM_registerThrownObject): Declare.
2542         * beginend.c, serial.c: Update.
2543         * libitm.map: Add _ITM_registerThrownObject.
2545 2009-01-28  Richard Henderson  <rth@redhat.com>
2547         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2548         * Makefile.in: Rebuild.
2549         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2550         (GTM_restart_transaction): Fix uninstrumented code check.
2551         * retry.c (GTM_decide_retry_strategy): Add serial check.
2552         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2553         automatically go irrevokable when in serial mode.
2554         * clone.c: New file.
2555         * libitm.h, libitm.map: Update.
2557 2009-01-27  Richard Henderson  <rth@redhat.com>
2559         * Makefile.am (LTCCASCOMPILE): Define.
2560         (libitm_la_SOURCES): Add methid-wbetl.c.
2561         * testsuite/Makefile.am: New
2562         * configure.ac: Add testsuite/Makefile.
2563         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2564         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2565         (_ITM_abortTransaction): Finalize implementation method; pass
2566         transaction properties to longjmp.
2567         (GTM_restart_transaction): Split out from ...
2568         (_ITM_commitTransaction): ... here.
2569         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2570         Move to config/x86/target.h.
2571         * config/linux/alpha/futex_bits.h: New.
2572         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2573         * config/x86/target.h: Disable target types for 32-bit.
2574         * config/alpha/sjlj.S, config/alpha/target.h: New.
2575         * libitm.h (struct gtm_dispatch): Add init, fini.
2576         (enum restart_reason): New.
2577         (struct gtm_transaction): Add method and restarts.
2578         * retry.c (GTM_decide_retry_strategy): Implement.
2579         * serial.c (serial_init, serial_fini): New.
2580         (GTM_serialmode): Finialize outgoing method.
2581         * method-wbetl.c: New.
2583 2008-12-09  Richard Henderson  <rth@redhat.com>
2585         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2586         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2587         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2588         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2589         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2590         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2591         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2592         * serial.c (serial_R##T, serial_W##T): Likewise.
2594 2008-11-21  Richard Henderson  <rth@redhat.com>
2596         * Initial commit.
2598 Copyright (C) 2008-2023 Free Software Foundation, Inc.
2600 Copying and distribution of this file, with or without modification,
2601 are permitted in any medium without royalty provided the copyright
2602 notice and this notice are preserved.