RTEMS: Use local-exec TLS model by default
[official-gcc.git] / libitm / ChangeLog
blobd08df9fec1ab6bc67e741c27730944a51a24b0df
1 2022-11-14  Martin Liska  <mliska@suse.cz>
3         Revert:
4         2022-11-14  Martin Liska  <mliska@suse.cz>
6         * doc/c-c++-language-constructs-for-tm.rst: New file.
7         * doc/conf.py: New file.
8         * doc/copyright.rst: New file.
9         * doc/enabling-libitm.rst: New file.
10         * doc/gnu-free-documentation-license.rst: New file.
11         * doc/index.rst: New file.
12         * doc/indices-and-tables.rst: New file.
13         * doc/internals.rst: New file.
14         * doc/locking-conventions.rst: New file.
15         * doc/nesting-flat-vs-closed.rst: New file.
16         * doc/the-libitm-abi.rst: New file.
17         * doc/the-libitm-abi/function-list.rst: New file.
18         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
19         * doc/the-libitm-abi/library-design-principles.rst: New file.
20         * doc/the-libitm-abi/memory-model.rst: New file.
21         * doc/the-libitm-abi/non-objectives.rst: New file.
22         * doc/the-libitm-abi/objectives.rst: New file.
23         * doc/the-libitm-abi/sample-code.rst: New file.
24         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
25         * doc/tm-methods-and-method-groups.rst: New file.
27 2022-11-14  Martin Liska  <mliska@suse.cz>
29         Revert:
30         2022-11-14  Martin Liska  <mliska@suse.cz>
32         * Makefile.in: Support Sphinx based documentation.
34 2022-11-14  Martin Liska  <mliska@suse.cz>
36         Revert:
37         2022-11-14  Martin Liska  <mliska@suse.cz>
39         * libitm.texi: Removed.
41 2022-11-14  Martin Liska  <mliska@suse.cz>
43         Revert:
44         2022-11-14  Martin Liska  <mliska@suse.cz>
46         * Makefile.in: Support --with-sphinx-build.
47         * configure.ac: Likewise.
48         * configure: Regenerate.
50 2022-11-14  Martin Liska  <mliska@suse.cz>
52         Revert:
53         2022-11-14  Martin Liska  <mliska@suse.cz>
55         * Makefile.in: Build info pages conditionally.
57 2022-11-14  Martin Liska  <mliska@suse.cz>
59         Revert:
60         2022-11-14  Martin Liska  <mliska@suse.cz>
62         * doc/c-c++-language-constructs-for-tm.rst:
63         Add trailing newline.
64         * doc/copyright.rst:
65         Add trailing newline.
66         * doc/enabling-libitm.rst:
67         Add trailing newline.
68         * doc/gnu-free-documentation-license.rst:
69         Add trailing newline.
70         * doc/index.rst:
71         Add trailing newline.
72         * doc/indices-and-tables.rst:
73         Add trailing newline.
74         * doc/internals.rst:
75         Add trailing newline.
76         * doc/locking-conventions.rst:
77         Add trailing newline.
78         * doc/nesting-flat-vs-closed.rst:
79         Add trailing newline.
80         * doc/the-libitm-abi.rst:
81         Add trailing newline.
82         * doc/the-libitm-abi/function-list.rst:
83         Add trailing newline.
84         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
85         Add trailing newline.
86         * doc/the-libitm-abi/library-design-principles.rst:
87         Add trailing newline.
88         * doc/the-libitm-abi/memory-model.rst:
89         Add trailing newline.
90         * doc/the-libitm-abi/non-objectives.rst:
91         Add trailing newline.
92         * doc/the-libitm-abi/objectives.rst:
93         Add trailing newline.
94         * doc/the-libitm-abi/sample-code.rst:
95         Add trailing newline.
96         * doc/the-libitm-abi/types-and-macros-list.rst:
97         Add trailing newline.
98         * doc/tm-methods-and-method-groups.rst:
99         Add trailing newline.
101 2022-11-14  Martin Liska  <mliska@suse.cz>
103         Revert:
104         2022-11-14  Martin Liska  <mliska@suse.cz>
106         * Makefile.in: Add missing HAS_SPHINX_BUILD.
108 2022-11-14  Martin Liska  <mliska@suse.cz>
110         Revert:
111         2022-11-14  Martin Liska  <mliska@suse.cz>
113         * doc/conf.py: Add newline at last line.
115 2022-11-14  Martin Liska  <mliska@suse.cz>
117         Revert:
118         2022-11-14  Martin Liska  <mliska@suse.cz>
120         PR other/107620
121         * configure: Regenerate.
122         * configure.ac: Always set sphinx-build.
124 2022-11-13  Martin Liska  <mliska@suse.cz>
126         PR other/107620
127         * configure: Regenerate.
128         * configure.ac: Always set sphinx-build.
130 2022-11-10  Martin Liska  <mliska@suse.cz>
132         * doc/conf.py: Add newline at last line.
134 2022-11-09  Martin Liska  <mliska@suse.cz>
136         * Makefile.in: Add missing HAS_SPHINX_BUILD.
138 2022-11-09  Martin Liska  <mliska@suse.cz>
140         * doc/c-c++-language-constructs-for-tm.rst:
141         Add trailing newline.
142         * doc/copyright.rst:
143         Add trailing newline.
144         * doc/enabling-libitm.rst:
145         Add trailing newline.
146         * doc/gnu-free-documentation-license.rst:
147         Add trailing newline.
148         * doc/index.rst:
149         Add trailing newline.
150         * doc/indices-and-tables.rst:
151         Add trailing newline.
152         * doc/internals.rst:
153         Add trailing newline.
154         * doc/locking-conventions.rst:
155         Add trailing newline.
156         * doc/nesting-flat-vs-closed.rst:
157         Add trailing newline.
158         * doc/the-libitm-abi.rst:
159         Add trailing newline.
160         * doc/the-libitm-abi/function-list.rst:
161         Add trailing newline.
162         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
163         Add trailing newline.
164         * doc/the-libitm-abi/library-design-principles.rst:
165         Add trailing newline.
166         * doc/the-libitm-abi/memory-model.rst:
167         Add trailing newline.
168         * doc/the-libitm-abi/non-objectives.rst:
169         Add trailing newline.
170         * doc/the-libitm-abi/objectives.rst:
171         Add trailing newline.
172         * doc/the-libitm-abi/sample-code.rst:
173         Add trailing newline.
174         * doc/the-libitm-abi/types-and-macros-list.rst:
175         Add trailing newline.
176         * doc/tm-methods-and-method-groups.rst:
177         Add trailing newline.
179 2022-11-09  Martin Liska  <mliska@suse.cz>
181         * Makefile.in: Build info pages conditionally.
183 2022-11-09  Martin Liska  <mliska@suse.cz>
185         * Makefile.in: Support --with-sphinx-build.
186         * configure.ac: Likewise.
187         * configure: Regenerate.
189 2022-11-09  Martin Liska  <mliska@suse.cz>
191         * libitm.texi: Removed.
193 2022-11-09  Martin Liska  <mliska@suse.cz>
195         * Makefile.in: Support Sphinx based documentation.
197 2022-11-09  Martin Liska  <mliska@suse.cz>
199         * doc/c-c++-language-constructs-for-tm.rst: New file.
200         * doc/conf.py: New file.
201         * doc/copyright.rst: New file.
202         * doc/enabling-libitm.rst: New file.
203         * doc/gnu-free-documentation-license.rst: New file.
204         * doc/index.rst: New file.
205         * doc/indices-and-tables.rst: New file.
206         * doc/internals.rst: New file.
207         * doc/locking-conventions.rst: New file.
208         * doc/nesting-flat-vs-closed.rst: New file.
209         * doc/the-libitm-abi.rst: New file.
210         * doc/the-libitm-abi/function-list.rst: New file.
211         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
212         * doc/the-libitm-abi/library-design-principles.rst: New file.
213         * doc/the-libitm-abi/memory-model.rst: New file.
214         * doc/the-libitm-abi/non-objectives.rst: New file.
215         * doc/the-libitm-abi/objectives.rst: New file.
216         * doc/the-libitm-abi/sample-code.rst: New file.
217         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
218         * doc/tm-methods-and-method-groups.rst: New file.
220 2022-10-31  Xiongchuan Tan  <xc-tan@outlook.com>
222         * configure.tgt: Add riscv support.
223         * config/riscv/asm.h: New file.
224         * config/riscv/sjlj.S: New file.
225         * config/riscv/target.h: New file.
227 2022-10-13  Lulu Cheng  <chenglulu@loongson.cn>
229         * config/loongarch/sjlj.S: Add a soft floating point condition to the
230         register recovery part of the code.
232 2022-10-12  Martin Liska  <mliska@suse.cz>
234         * configure: Regenerate.
236 2022-10-11  Olivier Hainque  <hainque@adacore.com>
237             Olivier Hainque  <hainque@adacore.com>
239         * configure: Regenerate.
241 2022-09-28  Lulu Cheng  <chenglulu@loongson.cn>
242             Yang Yujie  <yangyujie@loongson.cn>
244         * configure.tgt: Add loongarch support.
245         * config/loongarch/asm.h: New file.
246         * config/loongarch/sjlj.S: New file.
247         * config/loongarch/target.h: New file.
249 2022-08-31  Martin Liska  <mliska@suse.cz>
251         * configure: Regenerate.
253 2022-08-31  Martin Liska  <mliska@suse.cz>
255         * configure: Regenerate.
257 2022-06-02  David Malcolm  <dmalcolm@redhat.com>
259         * testsuite/lib/libitm.exp: Add load_gcc_lib of scansarif.exp.
261 2022-02-03  David Seifert  <soap@gentoo.org>
262             Jakub Jelinek  <jakub@redhat.com>
264         * configure.ac: Support --disable-werror.
265         * configure: Regenerate.
267 2022-01-31  Martin Liska  <mliska@suse.cz>
269         * acinclude.m4: Detect *_ld_is_mold and use it.
270         * configure: Regenerate.
272 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
274         * libitm.texi: Bump @copying's copyright year.
276 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
278         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
279         target does not support HAVE_ELF_STYLE_WEAKREF then do not
280         try to test the __cxa_get_globals against NULL.
282 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
284         PR libstdc++/91488
285         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
287 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
289         PR target/70454
290         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
291         be added through preprocessor check on
292         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
294 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
296         * configure: Re-generate.
298 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
300         * libitm.texi: Bump @copying's copyright year.
302 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
304         PR target/97865
305         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
306         * configure: Regenerate.
308 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
310         * configure: Regenerate.
312 2020-10-01  Alan Modra  <amodra@gmail.com>
314         * config/powerpc/sjlj.S: Support __PCREL__ code.
316 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
318         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
320 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
322         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
323         and add BTI c to function entries.
325 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
327         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
329 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
331         PR bootstrap/95413
332         * configure: Regenerated.
334 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
336         PR bootstrap/95147
337         * configure: Regenerated.
339 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
341         * configure: Regenerated.
343 2020-05-12  Nathan Sidwell  <nathan@acm.org>
345         Fix throw specifiers on interface.
346         * libitm/libitm.h (_ITM_NOTHROW): Define.
347         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
348         (_ITM_cxa_begin_catch): Use it.
349         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
350         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
351         __cxa_get_globals.
352         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
353         (_ITM_cxa_begin_catch): Likewise.
355 2020-05-05  Nathan Sidwell  <nathan@acm.org>
357         * testsuite/lib/libitm.exp (libitm_init): Add
358         -fdiagnostics-color=never to options.
360 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
362         PR libstdc++/79193
363         PR libstdc++/88999
365         * configure: Regenerated.
367 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
369         * configure.ac: Handle `--with-toolexeclibdir='.
370         * Makefile.in: Regenerate.
371         * aclocal.m4: Regenerate.
372         * configure: Regenerate.
373         * testsuite/Makefile.in: Regenerate.
375 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
377         Update copyright years.
379         * libitm.texi: Bump @copying's copyright year.
381 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
383         PR libgomp/91938
384         * configure.tgt: Avoid IE tls on *-*-musl*.
386 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
388         * configure: Regenerate.
390 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
392         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
394 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
396         * configure.tgt: Handle *-*-uclinux*.
397         * configure: Regenerate.
399 2019-09-06  Florian Weimer  <fweimer@redhat.com>
401         * configure: Regenerate.
403 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
405         PR other/79543
406         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
407         scanning to conform to the GNU Coding Standards.
408         * configure: Regenerate.
410 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
412         * Makefile.am (finclude): Remove.
413         * Makefile.in: Regenerated.
415 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
417         Update copyright years.
419 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
421         * libitm.texi: Bump @copying's copyright year.
423 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
425         PR c++/88482
426         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
427         void * to void (*) (void *).
428         (_ITM_cxa_throw): Likewise.
429         * libitm.h (_ITM_cxa_throw): Likewise.
430         * libitm.texi (_ITM_cxa_throw): Likewise.
432 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
434         * config/powerpc/target.h (htm_available):  Add support for
435         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
437 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
439         PR bootstrap/82856
440         * Makefile.am: Include multilib.am.
441         (AUTOMAKE_OPTIONS): Add info-in-builddir.
442         (CLEANFILES): Remove libitm.info.
443         * configure.ac: Remove AC_PREREQ.
444         * testsuite/Makefile.am (RUNTEST): Remove quotes.
445         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
446         Regenerate.
448 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
450         PR libitm/86293
451         * method-serial.cc: Mark varible as potentially unused
452         to silence warning.
454 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
456         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
457         absolute relocation in a shared library.
459 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
461         PR libitm/85988
462         * config/linux/x86/tls.h (SEG_READ): Use the offset of
463         __private_tm as base.
464         (SEG_WRITE): Likewise.
465         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
466         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
467         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
468         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
469         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
471 2018-05-17  Jason Merrill  <jason@redhat.com>
473         * beginend.cc (save): Disable -Werror=deprecated-copy.
475 2018-05-02  Tom de Vries  <tom@codesourcery.com>
477         PR testsuite/85106
478         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
480 2018-05-02  Tom de Vries  <tom@codesourcery.com>
482         PR testsuite/85106
483         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
485 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
487         * config/x86/sjlj.S (_ITM_beginTransaction): Add
488         (__CET__ & 2) != 0 check for shadow stack.
489         (GTM_longjmp): Likewise.
491 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
493         * configure: Regenerated.
495 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
497         PR target/85489
498         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
500 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
502         * configure: Regenerated.
504 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
506         PR jit/85384
507         * configure: Regenerate.
509 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
511         PR target/84148
512         * configure: Regenerate.
514 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
516         Update copyright years.
518         * libitm.texi: Bump @copying's copyright year.
520 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
522         * Makefile.in: Regenerate.
523         * acinclude.m4: Add enable.m4 and cet.m4.
524         * config/x86/sjlj.S: Include cet.h.
525         (_ITM_beginTransaction): Add _CET_ENDBR.
526         Save Shadow Stack pointer.
527         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
528         * config/x86/target.h (struct gtm_jmpbuf):
529         Add new field for Shadow Stack pointer.
530         * configure: Regenerate.
531         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
532         * configure.ac: Update libtool_VERSION for x86.
533         * testsuite/Makefile.in: Regenerate.
535 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
537         * libitm/config/x86/target.h: Add new field (ssp).
538         * libitm/config/x86/sjlj.S: Change offsets.
540 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
542         * testsuite/lib/libitm.exp: Load scanlang.exp.
544 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
546         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
548 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
550         PR other/79046
551         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
552         of cat to get version from BASE-VER file.
553         * testsuite/Makefile.in: Regenerated.
555 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
557         * config/x86/target.h (htm_available): Determine vendor from
558         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
560 2017-01-18  Torvald Riegel  <triegel@redhat.com>
562         * config/x86/target.h (htm_available): Add check for some processors
563         on which TSX is broken.
565 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
567         PR other/79046
568         * configure.ac: Add GCC_BASE_VER.
569         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
570         get version from BASE-VER file.
571         * testsuite/Makefile.in: Regenerated.
572         * configure: Regenerated.
573         * Makefile.in: Regenerated.
575 2017-01-04  Alan Modra  <amodra@gmail.com>
577         * Makefile.in: Regenerate.
578         * testsuite/Makefile.in: Regenerate.
580 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
582         Update copyright years.
584         * libitm.texi: Bump @copying's copyright year.
586 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
588         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
589         * aclocal.m4: Regenerate.
590         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
591         LIBITM_CHECK_LINKER_HWCAP.
593 2016-11-15  Matthias Klose  <doko@ubuntu.com>
595         * configure: Regenerate.
597 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
599         PR libitm/70456
600         * util.cc (xmalloc): Use posix_memalign to allocate memory on
601         on cache line if requested.
603 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
605         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
606         function attribute to disable floating point in begin_transaction() on
607         S/390.
608         * beginend.cc (begin_transaction): Use
609         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
611 2016-01-22  Torvald Riegel  <triegel@redhat.com>
613         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
614         boundary.
615         (htm_fastpath): Remove.
616         (gtm_thread::begin_transaction): Fix HTM fastpath.
617         (_ITM_commitTransaction): Adapt.
618         (_ITM_commitTransactionEH): Adapt.
619         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
620         and accessors.
621         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
622         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
623         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
624         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
625         * libitm/method-serial.cc (htm_mg): Adapt.
626         (gtm_thread::serialirr_mode): Adapt.
627         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
629 2016-01-21  Torvald Riegel  <triegel@redhat.com>
631         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
632         or AIX.
634 2016-01-19  Richard Henderson  <rth@redhat.com>
636         PR bootstrap/69343
637         PR bootstrap/69339
638         Revert:
639         2016-01-13  Richard Henderson  <rth@redhat.com>
641         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
642         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
643         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
644         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
645         * configure.ac (ARCH_AARCH64): New conditional.
646         (ARCH_PPC, ARCH_S390): Likewise.
647         * Makefile.in, configure: Rebuild.
649         * libitm.h (_ITM_TYPE_M128): Always define.
650         * vect64.cc: Split ...
651         * vect128.cc: ... out of...
652         * config/x86/x86_sse.cc: ... here.
653         * config/arm/neon.cc: New file.
655 2016-01-19  Torvald Riegel  <triegel@redhat.com>
657         * local_type_traits: Remove file.
658         * libitm_i.h: Don't include it anymore.
659         (sized_integral): Remove.
661 2016-01-16  Torvald Riegel  <triegel@redhat.com>
663         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
664         safety.
665         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
666         * libitm/testsuite/libitm.c/priv-1.c: New.
668 2015-01-15  Torvald Riegel  <triegel@redhat.com>
670         testsuite/libitm.c++/libstdc++-safeexc.C: New.
672 2016-01-13  Torvald Riegel  <triegel@redhat.com>
674         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
675         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
676         (gtm_rwlock::write_unlock): Likewise.
678 2016-01-13  Richard Henderson  <rth@redhat.com>
680         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
681         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
682         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
683         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
684         * configure.ac (ARCH_AARCH64): New conditional.
685         (ARCH_PPC, ARCH_S390): Likewise.
686         * Makefile.in, configure: Rebuild.
688         * libitm.h (_ITM_TYPE_M128): Always define.
689         * vect64.cc: Split ...
690         * vect128.cc: ... out of...
691         * config/x86/x86_sse.cc: ... here.
692         * config/arm/neon.cc: New file.
694 2016-01-13  Torvald Riegel  <triegel@redhat.com>
696         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
697         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
698         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
699         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
700         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
701         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
702         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
703         (serialirr_dispatch::snapshot_most_recent): New.
704         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
706 2016-01-12  Torvald Riegel  <triegel@redhat.com>
708         * libitm_i.h (gtm_mask_stack): Remove.
709         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
710         * stmlock.h: Remove file.
711         * config/alpha/cacheline.h: Likewise.
712         * config/generic/cacheline.h: Likewise.
713         * config/powerpc/cacheline.h: Likewise.
714         * config/sparc/cacheline.h: Likewise.
715         * config/x86/cacheline.h: Likewise.
717 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
719         Update copyright years.
721         * libitm.texi: Bump @copying's copyright year.
723 2015-11-26  Torvald Riegel  <triegel@redhat.com>
725         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
726         (ml_wt_dispatch::pre_write): Adapt.
727         (ml_wt_dispatch::pre_load): Likewise.
729 2015-11-22  Torvald Riegel  <triegel@redhat.com>
731         * libitm_i.h (gtm_alloc_action): Remove union.
732         * testsuite/libitm.c/alloc-1.c: New.
734 2015-11-19  Torvald Riegel  <triegel@redhat.com>
736         * testsuite/libitm.c++/eh-5.C: New.
737         * libitm.h (_ITM_cxa_free_exception): New.
738         * libitm.map (_ITM_cxa_free_exception): Add it.
739         * libitm.texi: Update ABI docs.
740         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
741         (gtm_transaction_cp::cxa_uncaught_count): Add.
742         (gtm_thread::cxa_unthrown): Remove.
743         (gtm_thread::cxa_uncaught_count_ptr): Add.
744         (gtm_thread::cxa_uncaught_count): Add.
745         (gtm_thread::drop_references_allocations): Rename to...
746         (gtm_thread::discard_allocation): ... this and adapt.
747         (gtm_thread::init_cpp_exceptions): New.
748         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
749         (gtm_thread::begin_transaction): Likewise.
750         (gtm_transaction_cp::save): Likewise.
751         (gtm_thread::trycommit): Likewise.
752         * eh_cpp.cc: Add overview comments.
753         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
754         (free_any_exception, _ITM_cxa_free_exception): New.
755         (gtm_thread::init_cpp_exceptions): Define.
756         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
757         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
758         (gtm_thread::revert_cpp_exceptions): Likewise.
760 2015-11-09  Torvald Riegel  <triegel@redhat.com>
762         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
763         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
764         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
765         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
766         (gtm_thread::forget_allocations): New overload with size_t argument.
767         * alloc.c (gtm_thread::forget_allocation): Define new overload and
768         adapt existing one.
769         (gtm_thread::record_allocation): Adapt.
770         (gtm_thread::commit_allocations_1): Adapt.
771         (gtm_thread::commit_allocations_2): Adapt.
772         * testsuite/libitm.c++/newdelete.C: New.
774 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
775             Joseph Myers  <joseph@codesourcery.com>
776             Mark Shinwell  <shinwell@codesourcery.com>
777             Andrew Stubbs  <ams@codesourcery.com>
778             Rich Felker <dalias@libc.org>
780         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
781         GTM_begin_transaction for compatibility with FDPIC.
783 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
785         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
786         using load_gcc_lib.
788 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
790         PR libitm/61164
791         * local_atomic (__always_inline): Rename to...
792         (__libitm_always_inline): ... this.
794 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
796         PR target/52482
797         * config/powerpc/sjlj.S: Port to Xcode 2.5.
799 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
801         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
802         operands "op" and "val" to int.
804 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
806         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
807         "op" and "val" to int.
809 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
811         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
812         "op" and "val" to int.
814 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
816         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
817         Declare as static int.
818         (FUTEX_PRIVATE_FLAG): Remove L suffix.
819         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
821 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
823         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
824         sys_futex0 function.
826 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
828         * Makefile.in: Regenerated with automake-1.11.6.
829         * aclocal.m4: Likewise.
830         * configure: Likewise.
831         * testsuite/Makefile.in: Likewise.
833 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
835         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
836         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
838 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
840         PR libitm/64360
841         * libitm.c/stackundo.c (test2): Make it static.
842         (test1): Likewise.
844 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
846         Update copyright years.
848 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
850         * libitm.texi: Bump @copying's copyright year.
852 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
854         * testsuite/lib/libitm.exp: Load target-utils.exp.
855         Move load of target-supports.exp earlier.
857 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
859         * configure.tgt (x86_64): Tune -m32 multilib to generic.
861 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
863         PR bootstrap/63784
864         * configure: Regenerated.
866 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
868         PR target/63610
869         * configure: Regenerate.
871 2014-10-06  Marek Polacek  <polacek@redhat.com>
873         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
874         * testsuite/libitm.c/memset-1.c: Likewise.
876 2014-07-24  Richard Henderson  <rth@redhat.com>
878         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
879         addressing mode in epilogue.
881 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
883         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
884         -mclear-hwcap instead.
885         * configure: Regenerate.
886         * clearcap.map: Remove.
888 2014-05-21  John Marino  <gnugcc@marino.st>
890         * configure.tgt (*-*-dragonfly*): New target.
892 2014-05-19  Richard Henderson  <rth@redhat.com>
894         * config/aarch64/sjlj.S: New file.
895         * config/aarch64/target.h: New file.
896         * configure.tgt: Enable aarch64.
898 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
900         * config/generic/asmcfi.h: Also check for
901         __GCC_HAVE_DWARF2_CFI_ASM.
903 2013-04-02  Richard Henderson  <rth@redhat.com>
905         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
906         * config/arm/target.h, config/sh/target.h: Likewise.
907         * config/sparc/target.h, config/x86/target.h: Likewise.
909 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
911         * config/linux/futex_bits.h: Include errno.h.
912         (sys_futex0): If syscall returns -1, return -errno rather than
913         -1.
915 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
917         * libitm.texi (Index): Rename to Library Index.
919 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
921         PR libitm/53113
922         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
923         (x86_avx.lo): Append -mavx to CXXFLAGS.
924         * Makefile.in: Regenerate.
926 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
928         Update copyright years
930 2014-01-02  Tobias Burnus  <burnus@net-b.de>
932         * libitm.texi: Bump @copying's copyright year.
934 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
936         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
937         (FUNC): Define ELFv2 variant.
938         (END): Likewise.
939         (HIDDEN): Likewise.
940         (CALL): Likewise.
941         (BASE): Likewise.
942         (LR_SAVE): Likewise.
944 2013-09-20  Alan Modra  <amodra@gmail.com>
946         * configure: Regenerate.
948 2013-08-30  Torvald Riegel  <triegel@redhat.com>
950         * config/posix/rwlock.cc: Fix initialization order.
952 2013-08-30  Torvald Riegel  <triegel@redhat.com>
954         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
955         (htm_fastpath): Assign an asm name.
956         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
957         HTM fast paths.
958         (_ITM_actions): Likewise.
959         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
960         x86_64.
961         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
962         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
963         field to the start of the structure.
964         * config/linux/rwlock.h (gtm_rwlock): Update comments.
965         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
966         handling for custom HTM fast paths.
968 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
969         Revert:
970         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
972         * configure.tgt: Add -msoft-float to XCFLAGS.
974 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
976         * configure.tgt: Add -msoft-float to XCFLAGS.
978 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
980         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
981         (htm_transaction_active): Enable zEC12 instructions in the
982         assembler.
983         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
985 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
987         * acinclude.m4: Add htm asm check for s390.
988         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
989         * configure: Regenerate.
990         * config/s390/target.h: Remove __HTM__ check.
991         (htm_available): Call getauxval to get hwcaps and check whether
992         HTM is available or not.
994 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
996         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
997         * configure.ac: Use it.
998         (AC_CHECK_HEADERS): Check for sys/auxv.h.
999         (AC_CHECK_FUNCS): Check for getauxval.
1000         * config.h.in, configure: Rebuild.
1001         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
1002         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
1003         (USE_HTM_FASTPATH): Define.
1004         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
1005         _HTM_RETRIES) New macros.
1006         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
1007         htm_begin_success, htm_commit, htm_transaction_active): New functions.
1009 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1011         * config/s390/target.h: Include htmintrin.h.
1012         (_HTM_ITM_RETRIES): New macro definition.
1013         (htm_available, htm_init, htm_begin, htm_begin_success)
1014         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
1016 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
1017             Cesar Philippidis  <cesar@codesourcery.com>
1019         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
1020         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
1021         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
1022         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
1024 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1026         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
1027         (_ITM_getTransactionId): Same.
1028         * config/x86/target.h (htm_transaction_active): New.
1030 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1032         PR libitm/57643
1033         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
1034         the HTM fastpath.
1036 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
1038         PR bootstrap/56714
1039         * local_atomic (__always_inline): Always define our version.
1040         (__calculate_memory_order): Mark inline.
1041         (atomic_thread_fence): Ditto.
1042         (atomic_signal_fence): Ditto.
1043         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
1044         (atomic_bool::atomic_flag_clear_explicit): Ditto.
1045         (atomic_bool::atomic_flag_test_and_set): Ditto.
1046         (atomic_bool::atomic_flag_clear): Ditto.
1048 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1050         * config/s390/sjlj.S: New file.
1051         * config/s390/target.h: New file.
1052         * configure.tgt: Set options for S/390.
1054 2013-03-23  Andi Kleen  <ak@linux.intel.com>
1056         * local_atomic (__always_inline): Add.
1057         (__calculate_memory_order, atomic_thread_fence,
1058         atomic_signal_fence, test_and_set, clear, store, load,
1059         exchange, compare_exchange_weak, compare_exchange_strong,
1060         fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
1061         Add __always_inline to force inlining.
1063 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
1064             Jack Howarth  <howarth@bromo.med.uc.edu>
1065             Patrick Marlier  <patrick.marlier@gmail.com>
1067         PR libitm/55693
1068         * alloc_cpp.cc: Enable function declarations on darwin.
1069         * eh_cpp.cc: Likewise.
1071 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
1073         Update copyright years.
1075 2012-11-09  Torvald Riegel  <triegel@redhat.com>
1077         * beginend.cc (htm_fastpath): New.
1078         (gtm_thread::begin_transaction, _ITM_commitTransaction,
1079         _ITM_commitTransactionEH): Add HTM fastpath handling.
1080         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
1081         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
1082         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
1083         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
1084         * configure.tgt: Add -mrtm to XCFLAGS.
1085         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
1086         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
1087         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
1088         * retry.cc (parse_default_method): Add HTM method parsing.
1089         (gtm_thread::number_of_threads_changed): Use HTM by default if
1090         available.
1092 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
1094         * configure: Regenerate.
1096 2012-10-31  Richard Henderson  <rth@redhat.com>
1098         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
1099         * configure.ac: Use it.
1100         * config.h.in, configure: Rebuild.
1101         * testsuite/Makefile.in: Rebuild.
1103 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1105         * libitm.texi: Clarify ABI requirements for data-logging functions.
1107 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1109         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
1110         it requires serial mode instead of assuming that for certain
1111         dispatchs.
1112         * dispatch.h (abi_dispatch::requires_serial): New.
1113         (abi_dispatch::abi_dispatch): Adapt.
1114         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
1115         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
1116         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
1117         serial_dispatch::serial_dispatch,
1118         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
1120 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1122         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
1123         and ia32 declarations some more.
1124         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
1126 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
1128         PR other/43620
1129         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
1130         * configure: Regenerate.
1131         * Makefile.in: Regenerate.
1133 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
1135         * configure: Regenerated.
1137 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
1139         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
1141 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
1143         * eh_cpp.cc: Fix __cxa_end_catch declaration.
1145 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
1147         * configure: Regenerated.
1149 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
1151         PR libitm/52854
1152         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
1153         for x86-64.
1155 2012-04-03  Tristan Gingold  <gingold@adacore.com>
1157         * configure: Regenerate.
1159 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1161         PR bootstrap/52812
1162         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
1164 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1166         * testsuite/lib/libitm.exp: load fortran-modules.exp
1168 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1170         * configure.tgt (*-*-irix6*): Remove.
1172 2012-03-13  Torvald Riegel  <triegel@redhat.com>
1174         PR libitm/52526
1175         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
1176         wake-up.
1178 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1180         * configure.tgt (*-*-osf*): Remove.
1181         * configure: Regenerate.
1183 2012-03-05  Torvald Riegel  <triegel@redhat.com>
1185         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
1186         memtransfer/memset if size isn't larger than zero.
1188 2012-03-02  Torvald Riegel  <triegel@redhat.com>
1190         * libitm.texi: Link to specification and add a usage example.
1192 2012-02-24  Torvald Riegel  <triegel@redhat.com>
1194         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
1195         default dispatch for more than 1 thread to ml_wt.
1197 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1199         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
1201 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1203         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
1205 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1207         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
1208         serial mode corner cases made obsolete by prior gtm_rwlock changes.
1209         (gl_wt_dispatch.rollback): Same.
1211 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1213         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
1215 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1217         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
1218         for RfW src.  Optimize number of calls to gtm_thr.
1220 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1222         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
1223         acquisition to ...
1224         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
1225         (default_dispatch): Make atomic.
1226         (GTM::gtm_thread::set_default_dispatch): Access atomically.
1227         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
1228         use decide_begin_dispatch() if default_dispatch might have changed.
1229         (GTM::gtm_thread::number_of_threads_changed): Initialize
1230         default_dispatch here.
1232 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
1233             Patrick Marlier  <patrick.marlier@gmail.com>
1235         PR libitm/52220
1236         * alloc_cpp.cc: No dummy definitions for darwin.
1237         * eh_cpp.cc: Likewise.
1239 2012-02-14  Richard Henderson  <rth@redhat.com>
1241         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
1243 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1245         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
1247 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1249         * libitm_i.h (GTM::gtm_rwlog_entry): New.
1250         (GTM::gtm_thread): Add read and write logs.
1251         (GTM::dispatch_ml_wt): Declare.
1252         * retry.cc (parse_default_method): Support ml_wt.
1253         * method-ml.cc: New file.
1254         * Makefile.am: Add method-ml.cc.
1255         * Makefile.in: Regenerate.
1257 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1259         * dispatch.h (GTM::abi_dispatch::supports): New.
1260         (GTM::method_group::reinit): New.
1261         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1262         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1263         supports the current situation.
1265 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1267         * util.cc (GTM::xcalloc): New.
1268         * common.h (GTM::xcalloc): Declare.
1270 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1272         * config/sparc/target.h (cpu_relax): Read from CC register.
1273         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1275 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1277         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1279 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1281         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1282         * config/sparc/cacheline.h: New file.
1283         * config/sparc/target.h: Likewise.
1284         * config/sparc/sjlj.S: Likewise.
1285         * config/linux/sparc/futex_bits.h: Likewise.
1287 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1289         * configure.ac (link_itm): Fix comment.
1290         * configure: Regenerate.
1291         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1293 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1295         PR libitm/51822
1296         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1297         Correct libgomp references.
1299 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1301         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1302         wake-up.
1304 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1306         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1307         end of structure.
1308         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1309         offset values.  Do not copy return address.  Decrement stack
1310         by 56 bytes only.
1311         (GTM_longjump) [__x86_64__]: Update offset values.
1313 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1315         PR libitm/51830
1316         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1317         the first function argument to %eax.
1319 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1321         * libitm.h (_ITM_getThreadnum): Remove.
1322         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1324 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1326         * clearcap.map: New file.
1327         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1328         * configure.ac: Call it.
1329         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1330         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1331         * configure: Regenerate.
1332         * Makefile.in: Regenerate.
1333         * testsuite/Makefile.in: Regenerate.
1335 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1337         PR libitm/51173
1338         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1339         include, exclude options.
1341 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1343         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1344         rolling back.
1345         * containers.h (GTM::vector::set_size): New.
1347 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1349         PR libitm/51855
1350         * config/generic/tls.h (GTM::mask_stack_top): New.
1351         (GTM::mask_stack_bottom): Declare.
1352         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1353         * local.cc (gtm_undolog::rollback): Filter out any updates that
1354         overlap the libitm stack.  Add current transaction as parameter.
1355         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1356         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1357         * testsuite/libitm.c/stackundo.c: New test.
1359 2012-01-10  Richard Henderson  <rth@redhat.com>
1361         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1362         * eh_cpp.cc (_Unwind_DeleteException): Define for
1363         !HAVE_ELF_STYLE_WEAKREF.
1365 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1367         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1368         (GTM::gtm_thread::drop_references_undolog): Remove.
1369         (GTM::gtm_thread::commit_undolog,
1370         GTM::gtm_thread::rollback_undolog): Move to ...
1371         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1372         (GTM::gtm_undolog_entry): Remove.
1373         (GTM::gtm_thread): Adapt.
1374         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1375         (GTM::gtm_thread::trycommit): Adapt.
1376         * method-serial.cc (serial_dispatch::log): Adapt.
1377         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1378         (gl_wt_dispatch::store): Fix likely/unlikely.
1379         * containers.h (GTM::vector::resize): Add additional_capacity
1380         parameter and handle it.
1381         (GTM::vector::resize_noinline): New/adapt.
1382         (GTM::vector::push): New.
1384 2012-01-06  Richard Henderson  <rth@redhat.com>
1386         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1387         * config/linux/powerpc/futex_bits.h: New file.
1388         * config/powerpc/cacheline.h: New file.
1389         * config/powerpc/sjlj.S: New file.
1390         * config/powerpc/target.h: New file.
1391         * config/generic/asmcfi.h (cfi_offset): New.
1392         (cfi_restore, cfi_undefined): New.
1394 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1396         PR other/51171
1397         * testsuite/libitm.c/reentrant.c: Remove xfail.
1398         (thread): Pass x to pure().
1399         From Patrik Marlier <patrick.marlier@gmail.com>.
1401 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1403         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1404         privatization safety if already in serial mode.
1406 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1408         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1409         finish_serial_upgrade parameter.
1410         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1411         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1412         Don't unset reader flag.
1413         (GTM::gtm_rwlock::write_upgrade_finish): New.
1414         * config/posix/rwlock.cc: Same.
1415         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1416         Declare.
1417         * config/posix/rwlock.h: Same.
1418         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1419         flag after commit or after rollback when restarting.
1421 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1423         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1424         (GTM::gtm_thread::try_commit): Changed memory order.
1425         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1426         as parameter.
1427         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1428         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1429         * config/linux/futex_bits.h (sys_futex0): Same.
1430         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1431         * config/linux/futex.h (futex_wait, futex_wake): Same.
1432         * config/linux/rwlock.h (gtm_rwlock::writers,
1433         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1434         ints.
1435         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1436         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1437         gtm_rwlock::write_unlock): Fix memory orders and fences.
1438         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1439         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1440         gtm_rwlock::write_unlock): Same.
1441         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1442         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1443         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1444         Add comments.
1445         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1446         gl_wt_dispatch::load, gl_wt_dispatch::store,
1447         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1448         orders and fences.  Add comments.
1450 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1452         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1453         * Makefile.in: Regenerated.
1455 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1457         * configure.tgt: Add sh* case.
1458         * config/sh/target.h: New file.
1459         * config/sh/sjlj.S: New file.
1460         * config/linux/sh/futex_bits.h: New file.
1462 2011-12-14  Richard Henderson  <rth@redhat.com>
1464         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1465         * config/arm/sjlj.S, config/arm/target.h: New files.
1466         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1467         (cfi_rel_offset): New.
1468         * config/linux/futex_bits.h: New file.
1469         * config/linux/futex.cc: Include futex_bits.h here...
1470         * config/linux/futex.h: ... not here.
1471         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1472         * configure.ac (ARCH_AM): New conditional.
1473         * Makefile.in, configure: Rebuild.
1474         * configure.tgt: Handle ARM.
1476 2011-12-13  Richard Henderson  <rth@redhat.com>
1478         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1479         signed/unsigned comparison werror.
1481         * local_atomic: New file.
1482         * libitm_i.h: Include it.
1483         (gtm_thread::shared_state): Use atomic template.
1484         * beginend.cc (GTM::gtm_clock): Use atomic template.
1485         (global_tid): Use atomic template if 64-bit atomics available.
1486         (gtm_thread::gtm_thread): Update shared_state access.
1487         (gtm_thread::trycommit): Likewise.
1488         (choose_code_path): Update global_tid access.
1489         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1490         * stmlock.h (GTM::gtm_clock): Use atomic template.
1491         (gtm_get_clock, gtm_inc_clock): Update accesses.
1492         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1493         redundant __sync_synchronize after atomic shared_state access.
1494         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1495         (gtm_rwlock::write_lock_generic): Likewise.
1496         (gtm_rwlock::read_unlock): Likewise.
1497         * config/alpha/target.h (atomic_read_barrier): Remove.
1498         (atomic_write_barrier): Remove.
1499         * config/x86/target.h (atomic_read_barrier): Remove.
1500         (atomic_write_barrier): Remove.
1502 2011-11-30  Richard Henderson  <rth@redhat.com>
1504         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1505         * beginend.c (_ITM_abortTransaction): Update to match.
1506         (GTM::gtm_thread::restart): Likewise.
1507         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1508         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1510 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1512         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1513         * Makefile.in: Regenerate.
1515 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1517         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1518         * alloc_cpp.cc: Generate dummy functions if we don't
1519         HAVE_ELF_STYLE_WEAKREF.
1520         * eh_cpp.cc: Likewise.
1521         * configure: Regenerate.
1522         * aclocal.m4:  Likewise.
1523         * config.h.in: Likewise.
1524         * Makefile.in: Likewise.
1525         * testsuite/Makefile.in: Likewise.
1527 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1529         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1530         __USER_LABEL_PREFIX__ for targets that use it.
1531         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1532         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1533         in portability to non-elf targets.
1534         (GTM_longjmp): Likewise.
1535         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1536         where required.
1538 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1540         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1541         * testsuite/libitm.c/memset-1.c: Likewise.
1543 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1545         * configure: Regenerate.
1547 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1549         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1550         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1551         * Makefile.am: Handle sun style versioning.
1552         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1553         * configure: Regenerate.
1554         * Makefile.in: Regenerate.
1556 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1558         * config/generic/asmcfi.h: Fix comment.
1559         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1560         sequence without .hidden support, error for non-ELF targets.
1561         (GTM_longjmp) [__ELF__]: Only use .hidden if
1562         HAVE_ATTRIBUTE_VISIBILITY.
1564 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1566         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1567         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1568         Dummy functions.
1569         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1570         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1572 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1574         PR bootstrap/51098
1575         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1576         * configure: Regenerate.
1578 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1580         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1582 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1584         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1585         .hidden.
1586         (.note.GNU-stack): Only use if __linux__.
1587         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1588         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1589         * testsuite/libitm.c/reentrant.c: Likewise.
1590         * testsuite/libitm.c/simple-2.c: Likewise.
1591         * testsuite/libitm.c/txrelease.c: Likewise.
1592         * testsuite/libitm.c++/static_ctor.C: Likewise.
1594 2011-11-10  Richard Henderson  <rth@redhat.com>
1596         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1597         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1598         * configure.ac (ARCH_X86_AVX): New conditional.
1599         * Makefile.in, configure: Rebuild.
1601 2011-11-09  Richard Henderson  <rth@redhat.com>
1603         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1604         * configure.ac: Use it.
1605         * config.h.in, configure: Rebuild.
1606         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1608 2011-11-09  Richard Henderson  <rth@redhat.com>
1610         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1611         * config/alpha/unaligned.h: Remove file.
1612         * config/generic/unaligned.h: Remove file.
1613         * config/x86/unaligned.h: Remove file.
1614         * config/generic/cachepage.h: Remove file.
1615         * config/posix/cachepage.cc: Remove file.
1616         * config/generic/cacheline.cc: Remove file.
1617         * config/x86/cacheline.cc: Remove file.
1618         * config/generic/cacheline.h (gtm_cacheline): Remove the
1619         store_mask, copy_mask, copy_mask_wb methods.
1620         * config/x86/cacheline.h: Likewise.
1621         * config/alpha/cacheline.h: Fall back to generic after setting size.
1622         * config/generic/tls.cc (gtm_mask_stack): Remove.
1623         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1624         (GTM_vpalignr_table): Remove.
1625         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1626         (GTM_pshift_table): Remove.
1627         * config/libitm_i.h: Don't include cachepage.h.
1628         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1629         * Makefile.in, testsuite/Makefile.in: Rebuild.
1631 2011-11-09  Richard Henderson  <rth@redhat.com>
1633         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1634         to emit branch prediction hint.
1636         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1637         Protect .note.GNU-stack with __linux__.
1639         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1640         * configure, aclocal.m4, config.h.in: Rebuild.
1641         * config/generic/asmcfi.h: New file.
1642         * config/x86/sjlj.S: Use it.
1644 2011-11-08  Richard Henderson  <rth@redhat.com>
1646         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1648 2011-11-08  Richard Henderson  <rth@redhat.com>
1650         * configure.tgt: Test correct directory for supported cpus.
1652         * configure.ac: Exit if unsupported.
1653         * configure: Rebuild.
1654         * configure.tgt: Delete boilerplate from libgomp for unsupported
1655         targets.  Set UNSUPPORTED for unsupported targets.
1657 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1659         * configure.tgt: Handle i386 like i[456]86.
1660         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1661         take address.
1662         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1663         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1665 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1667         * method-wbetl.cc: Update copyright notice.
1668         * aatree.cc: Same.
1669         * util.cc: Same.
1670         * libitm.h: Same.
1671         * memset.cc: Same.
1672         * eh_cpp.cc: Same.
1673         * barrier.tpl: Same.
1674         * useraction.cc: Same.
1675         * stmlock.h: Same.
1676         * memcpy.cc: Same.
1677         * common.h: Same.
1678         * config/generic/tls.cc: Same.
1679         * config/generic/cacheline.h: Same.
1680         * config/generic/cachepage.h: Same.
1681         * config/generic/cacheline.cc: Same.
1682         * config/generic/unaligned.h: Same.
1683         * config/x86/cacheline.h: Same.
1684         * config/x86/cacheline.cc: Same.
1685         * config/x86/unaligned.h: Same.
1686         * config/alpha/cacheline.h: Same.
1687         * config/alpha/unaligned.h: Same.
1688         * config/alpha/sjlj.S: Same.
1689         * config/posix/cachepage.cc: Same.
1690         * config/linux/futex.h: Same.
1691         * config/linux/alpha/futex_bits.h: Same.
1693 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1695         * libitm.texi: No cover text and invariant sections.
1697 2011-11-03  Richard Henderson  <rth@redhat.com>
1699         * local_type_traits: New file.
1700         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1702 2011-11-03  Richard Henderson  <rth@redhat.com>
1704         * configure.ac: Don't test for gfortran.
1705         * configure: Rebuild.
1707         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1708         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1710 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1712         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1713         * testsuite/libitm.c/memset-1.c: Same.
1714         * testsuite/libitm.c/c.exp: Same.
1715         * testsuite/lib/libitm-dg.exp: Same.
1716         * testsuite/lib/libitm.exp: Same.
1717         * testsuite/libitm.c++/c++.exp: Same.
1719 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1721         * testsuite/config/default.exp: Update copyright date.
1722         * configure.ac: Add copyright info.
1723         * configure.tgt: Same.
1725 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1727         * testsuite/libitm.c/reentrant.c: XFAIL.
1728         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1730 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1732         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1733         handle aborts.
1734         (_ITM_abortTransaction): Handle aborts of outer transactions.
1735         * libitm_i.h: Same.
1736         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1737         * libitm.texi: Document aborts of outer transactions.
1738         * testsuite/libitm.c/cancel.c: New file.
1740 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1742         * testsuite/*: Change __transaction to __transaction_atomic or
1743         __transaction_relaxed.
1745 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1747         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1748         (gtm_thr): Same.
1750 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1752         * libitm_i.h: Add gl_wt dispatch.
1753         * retry.cc (parse_default_method): Same.
1754         * method-gl.cc: New file.
1755         * Makefile.am: Use method-gl.cc.
1756         * Makefile.in: Rebuild.
1758 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1760         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1761         safety if requested by a TM method.
1762         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1763         privatization safety.
1764         * method-serial.cc: Same.
1766 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1768         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1769         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1770         undolog-related member functions from *_local to *_undolog.
1771         * local.cc (gtm_thread::commit_undolog): Same.
1772         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1773         (GTM::gtm_thread::rollback): Roll back undolog before
1774         dispatch-specific rollback.
1776 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1778         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1779         re-initialization of the current method group.
1780         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1782 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1784         * alloc.cc (commit_allocations_2): Do not free transaction-local
1785         memory when committing a nested transaction.
1787 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1789         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1790         serial-irrevocable dispatch, not serial.
1792 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1794         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1795         declarations.
1796         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1797         * method-serial.cc: Implement begin_or_restart().
1798         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1799         dispatch-specific begin_or_restart().
1800         (GTM::gtm_thread::restart): Same.
1802 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1804         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1805         restarting without switching to serial mode.
1806         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1807         transaction state. Choose closed-nesting alternative if available.
1808         (GTM::gtm_thread::set_default_dispatch): New.
1809         (parse_default_method): New.
1810         (GTM::gtm_thread::number_of_threads_changed): New.
1811         * method-serial.cc (GTM::serial_mg): New method group class.
1812         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1813         fini.
1814         (GTM::serial_dispatch): Same.
1815         (GTM::serialirr_onwrite_dispatch): Same.
1816         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1817         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1818         registered threads.
1819         (GTM::gtm_thread::gtm_thread): Same.
1820         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1821         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1822         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1823         choose dispatch but set state according to dispatch here.
1824         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1825         (GTM::method_group): New class.
1826         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1827         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1828         * libitm.texi: Document TM methods, method groups, method life cycle.
1829         Rename method sets to method groups.
1831 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1833         * config/x86/tls.h: Moved to ...
1834         * config/linux/x86/tls.h: ... here.
1836 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1838         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1839         Add X32 support.
1840         * config/x86/sjlj.S: Same.
1842 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1844         * config/linux/rwlock.h: New file.
1845         * config/linux/rwlock.c: New file.
1846         * configure.ac: Reenable futex support (undo SVN rev 157758).
1847         * Makefile.am: Same.
1848         * configure.tgt: Same.
1849         * config/linux/alpha/futex_bits.h: Same.
1850         * config/linux/futex.h: Same. Return number of woken processes.
1851         * config/linux/futex.cc: Same.
1852         (futex_wait): Remove spinning.
1853         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1854         Use __x86_64__ instead of __LP64__.
1855         * aclocal.m4: Include generic futex checks.
1856         * configure: Rebuild.
1857         * Makefile.in: Rebuild.
1858         * testsuite/Makefile.in: Rebuild.
1859         * beginend.cc: Include pthread.h.
1860         * config/posix/cachepage.cc: Same.
1862 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1864         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1865         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1866         (set_gtm_thr): New.
1867         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1868         (set_gtm_thr): New.
1869         (GTM::gtm_thread::thread_num): Removed.
1870         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1871         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1872         tx-to-thread renaming.
1873         * beginend.cc: Adapted to tx-to-thread renaming.
1874         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1875         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1876         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1877         gtm_transaction to gtm_thread.
1878         (_ITM_getThreadnum): Removed. Not supported anymore.
1879         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1880         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1881         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1882         gtm_tx-to-gtm_thr renaming if necessary.
1883         * eh_cpp.cc: Same.
1884         * local.cc: Same.
1885         * retry.cc: Same.
1886         * clone.cc: Same.
1887         * alloc.cc: Same.
1888         * alloc_c.cc: Same.
1889         * alloc_cpp.cc: Same.
1890         * method-serial.cc: Same.
1891         * config/generic/tls.cc: Same.
1892         * config/posix/rwlock.h (gtm_rwlock): Same.
1893         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1895 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1897         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1898         implementation.
1899         (gtm_rwlock::read_unlock): Same.
1900         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1901         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1902         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1903         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1904         w_upgrade. Replaced by per-transaction flags (in shared_state).
1905         Added c_confirmed_writers.
1906         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1907         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1908         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1909         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1910         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1911         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1912         * libitm.texi: Document locking conventions and implementations in
1913         libitm.
1915 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1917         * libitm_i.h (next_tx): Add list of all threads' transaction.
1918         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1919         transaction with list of transactions and ...
1920         (thread_exit_handler): ... deregister here.
1921         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1922         * config/x86/target.h: Same.
1924 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1926         * testsuite/libitm.c++/static_ctor.C: New file.
1928 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1930         * testsuite/libitm.c/reentrant.c: New file.
1932 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1934         * config/generic/tls.h: Remove the free list for transactions and ...
1935         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1936         (GTM::gtm_transaction::operator delete): ... and release here.
1937         (thread_exit_handler): New. Delete tx when thread terminates.
1938         (thread_exit_init): New.
1939         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1940         * testsuite/libitm.c/txrelease.c: New file.
1942 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1944         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1945         * testsuite/libitm.c/notx.c: New file.
1947 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1949         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1950         * libitm_i.h (local_tid): ... to here.
1951         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1952         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1954 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1956         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1957         serialirr_onwrite_dispatch as new default for now.
1958         * method-serial.cc (serialirr_onwrite_dispatch): New.
1959         (GTM::dispatch_serialirr_onwrite): New.
1960         * libitm_i.h: Same.
1962 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1964         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1965         * query.cc (_ITM_getTransactionId): There is no active transaction if
1966         the current nesting level is zero.
1968 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1970         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1971         rollback.
1973 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1975         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1976         transaction properties from the caller instead of from the
1977         transaction object.
1978         * libitm_i.h: Same.
1979         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1981 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1983         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1984         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1985         * dispatch.h: Same.
1986         * method-serial.cc: Same.
1987         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1988         flat nesting as default, and closed nesting on demand.
1989         (GTM::gtm_transaction::rollback): Same.
1990         (_ITM_abortTransaction): Same.
1991         (GTM::gtm_transaction::restart): Same.
1992         (GTM::gtm_transaction::trycommit): Same.
1993         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1994         (choose_code_path): New.
1995         (GTM::gtm_transaction_cp::save): New.
1996         (GTM::gtm_transaction_cp::commit): New.
1997         * query.cc (_ITM_inTransaction): Support flat nesting.
1998         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1999         (GTM::gtm_transaction): Support flat and closed nesting.
2000         * alloc.cc (commit_allocations_2): New.
2001         (commit_cb_data): New helper struct.
2002         (GTM::gtm_transaction::commit_allocations): Handle nested
2003         commits/rollbacks.
2004         * libitm.texi: Update user action section, add description of nesting.
2006 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2008         * libitm_i.h: Add closed nesting as restart reason.
2009         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
2011 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2013         * useraction.cc: Use vector instead of list to store actions.
2014         Also support partial rollbacks for closed nesting.
2015         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
2016         * beginend.cc: Same.
2018 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2020         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
2021         closed_nesting flags, as well as a closed nesting alternative.
2022         * method-serial.cc: Same.
2023         (serial_dispatch): Renamed to serialirr_dispatch.
2024         (GTM::dispatch_serialirr): Same.
2025         (serial_dispatch_ul): Renamed to serial_dispatch.
2026         (GTM::dispatch_serial): Same.
2028 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2030         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
2032 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2034         * aatree.h (aa_tree::remove): New.
2035         (aa_tree::operator new): Add placement new.
2037 2011-07-02  Torvald Riegel  <triegel@redhat.com>
2039         * containers.h: New file.
2040         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
2041         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
2042         * common.h: ... to here.
2043         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
2044         * local.cc: Same.
2046 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2048         * libitm_i.h (STATE_ABORTING): Remove.
2049         * beginend.cc (_ITM_abortTransaction): Same.
2050         (GTM::gtm_transaction::trycommit_and_finalize): Same.
2051         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
2052         (_ITM_rollbackTransaction): Remove.
2053         * beginend.cc: Same.
2054         * libitm.map: Same.
2055         * libitm.texi: Document these ABI changes.
2057 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2059         * libitm.texi: New file.
2060         * Makefile.am: Add libitm.texi.
2061         * Makefile.in: Rebuild.
2063 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2065         * libitm_i.h: Move parts to common.h and dispatch.h.
2066         * common.h: New file.
2067         * dispatch.h: New file, new dispatch class.
2068         Rename GTM::abi_dispatch::lock_type to ls_modifier.
2069         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
2070         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
2071         decision to retry.cc.
2072         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
2073         only.
2074         (GTM::gtm_transaction::decide_begin_dispatch): Same.
2075         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
2076         logging.
2077         * barrier.cc: Use new barriers definitions.
2078         (abi_dispatch::memmove_overlap_check): New.
2079         * config/x86/x86_sse.cc: Same.
2080         * config/x86/x86_avx.cc: Same.
2081         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
2082         memcpy.cc.
2083         * Makefile.in: Rebuild.
2084         * method-readonly.cc: Remove.
2085         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
2086         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
2088 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2090         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
2091         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
2092         * testsuite/libitm.c/dropref-2.c: Same.
2093         * testsuite/libitm.c/dropref.c: Same.
2095 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2097         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
2098         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
2099         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
2100         * alloc_c.cc: Same.
2101         * barrier.tpl: Same.
2102         * beginend.c: Same.
2103         * config/generic/tls.h: Same.
2104         * config/x86/tls.h: Same.
2105         * libitm_i.h: Same.
2106         * memcpy.cc: Same.
2107         * memset.cc: Same.
2108         * method-readonly.cc: Same.
2109         * method-serial.cc: Same.
2110         * method-wbetl.cc: Same.
2111         * retry.cc: Same.
2113 2011-03-03  Richard Henderson  <rth@redhat.com>
2115         * config/posix/rwlock.cc (write_upgrade): Add missing case.
2116         From Patrik Marlier <patrick.marlier@unine.ch>.
2118 2011-02-03  Richard Henderson  <rth@redhat.com>
2120         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
2121         * configure.ac: Use it.
2122         * configure, config.h.in: Rebuild.
2123         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
2124         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
2125         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
2126         * libitm.map: Use wildcards to match size_t mangling.
2128 2010-12-14  Richard Henderson  <rth@redhat.com>
2130         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
2131         blocks of TIDs per thread.
2132         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
2133         (setup_gtm_thr): Return the thread structure.
2134         * config/x86/tls.h (setup_gtm_thr): Likewise.
2136 2010-12-14  Richard Henderson  <rth@redhat.com>
2138         * clone.cc (table_lock): Remove.
2139         (find_clone): Don't take it.
2140         (ExcludeTransaction): New helper class.
2141         (_ITM_registerTMCloneTable): Use it.
2142         (_ITM_deregisterTMCloneTable): Likewise.
2144 2010-12-14  Richard Henderson  <rth@redhat.com>
2146         * config/x86/tls.h: New file.
2148 2010-07-15  Richard Henderson  <rth@redhat.com>
2150         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
2151         * Makefile.in: Rebuild.
2153 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2155         * method-wbetl.cc (trydropreference): Fix source line.
2157 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2159         * libitm.h: Add comment.
2160         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
2162 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
2164         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
2165         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
2166         available, use pthread mutexes.
2167         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
2168         * config.h.in: Regenerate.
2169         * configure: Regenerate.
2171 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
2173         * libitm.h (ITM_PURE): Define.
2174         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
2176 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2178         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
2179         (validate): Add comment.
2180         (trydropreference): New.
2181         * method-readonly.cc (class readonly_dispatch): Add
2182         trydropreference.
2183         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
2184         Call trydropreference().
2185         * libitm.h (_ITM_dropReferences): Remove const attribute.
2186         * method-serial.cc (class serial_dispatch): Add trydropreference.
2187         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
2189 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2191         * memcpy.cc (do_memcpy): Comment.
2193 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
2195         * barrier.tpl: Add comments throughout.
2197 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2199         * method-wbetl.cc (struct w_entry): Add comments.
2200         (trycommit): Same.
2201         (rollback): Same.
2203 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2205         * alloc_c.cc (_ITM_dropReferences): New.
2206         * libitm.map (_ITM_dropReferences): Add.
2207         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
2208         * libitm_i.h (struct gtm_transaction): Declare
2209         drop_references_allocations and drop_references_local.
2210         * local.cc (rollback_local): Ignore memory when applicable.
2211         (drop_references_local): New.
2213 2010-06-23  Richard Henderson  <rth@redhat.com>
2215         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
2216         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
2217         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
2218         * config/alpha/target.h: Likewise.
2219         * config/generic/tls.cc (gtm_mask_stack): Use it.
2221 2010-06-23  Richard Henderson  <rth@redhat.com>
2223         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
2224         a mutex instead of trying a lock-free compare-and-swap on the list.
2225         (gtm_cacheline_page::operator delete): Likewise.
2227 2010-06-16  Richard Henderson  <rth@redhat.com>
2229         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
2230         that overlap the libitm stack.
2231         * barrier.tpl: Mark incoming stack.
2232         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
2233         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
2234         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
2235         * memcpy.cc, memset.cc: Likewise.
2236         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
2237         * config/generic/tls.h (gtm_thread): Add stack_top member.
2238         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
2239         * libitm_i.h (gtm_mask_stack): Declare.
2240         * config/generic/tls.cc: New file.
2241         * Makefile.am (libitm_la_SOURCES): Add it.
2242         (AM_CXXFLAGS): Turn off exceptions.
2243         * Makefile.in: Rebuild.
2245 2010-06-16  Richard Henderson  <rth@redhat.com>
2247         * alloc.cc (struct gtm_alloc_action): Move definition ...
2248         * libitm_i.h: ... here.
2249         (class gtm_transaction): Declare new and delete.
2250         * beginend.cc (alloc_tx): Reformulate as operator new.
2251         (free_tx): Reformulate as operator delete.
2252         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
2254 2010-06-11  Richard Henderson  <rth@redhat.com>
2256         * clone.cc (clone_entry_compare): Fix typo.
2257         From Patrik Marlier <patrick.marlier@unine.ch>.
2259 2010-05-13  Richard Henderson  <rth@redhat.com>
2261         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2262         in extern "C".
2264 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2266         * libitm_i.h (struct gtm_transaction): Remove
2267         get_allocation_size.
2268         (record_allocation): Remove size parameter.
2269         * libitm.map (_ITM_realloc): Remove.
2270         * alloc_c.cc (_ITM_realloc): Remove.
2271         (_ITM_malloc): Remove size argument to record_allocation.
2272         (_ITM_calloc): Same.
2273         * alloc_cpp.cc (_ZGTtnwm): Same.
2274         (_ZGTtnwmRKSt9nothrow_t): Same.
2275         (_ZGTtnam): Same.
2276         (_ZGTtnamRKSt9nothrow_t): Same.
2277         * alloc.cc (struct gtm_alloc_action): Remove size.
2278         (get_allocation_size): Remove.
2279         (commit_allocations): Add comment.
2280         (record_allocation): Remove size parameter.
2281         (forget_allocation): Remove set of size.
2283 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2285         * Makefile.am (abi_version): New.
2286         (AM_CXXFLAGS): Pass abi_version.
2287         * Makefile.in: Regenerate.
2288         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2290 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2292         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2293         _ITM_getTMCloneOrIrrevokable.
2294         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2295         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2297 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2299         * configure.ac: Remove Linux futex support.
2300         * configure.tgt (config_path): Same.
2301         * Makefile.am: Same.
2302         * config/linux: Remove entire directory.
2303         * configure: Rebuild.
2304         * Makefile.in: Rebuild.
2305         * testsuite/Makefile.in: Rebuild.
2307 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2309         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2310         switching to serial mode.
2311         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2313 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2315         * configure.tgt: Add emacs -*- tags.
2316         * barrier.tpl: Same.
2318 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2320         * Makefile.am: Rename serial.cc to method-serial.cc.
2321         * Makefile.in: Regenerate with automake 1.11.1.
2322         * testsuite/Makefile.in: Same.
2323         * aclocal.m4: Regenerate with aclocal 1.11.1.
2324         * method-serial.cc: Rename from serial.cc.
2325         * libitm_i.h (struct gtm_transaction): Update comment on
2326         serialirr_mode.
2328 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2330         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2331         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2333 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2335         * configure: Rebuild.
2337 2009-11-12  Richard Henderson  <rth@redhat.com>
2339         * Rewrite everything in C++.
2341 2009-11-03  Richard Henderson  <rth@redhat.com>
2343         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2344         * Makefile.am (libitm_la_SOURCES): Add them.
2345         * configure.ac (ARCH_X86): New conditional.
2346         * Makefile.in, configure: Rebuild.
2347         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2348         Move futex setup into "other system configury" case.
2349         * local.c (rollback_local): Merge into ...
2350         (GTM_rollback_local): ... here.
2351         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2352         (_ITM_LB): Define as an alias to GTM_LB.
2354 2009-11-03  Richard Henderson  <rth@redhat.com>
2356         * method-readonly.c: New file.
2357         * Makefile.am (libitm_la_SOURCES): Add it.
2358         * Makefile.in: Rebuild.
2359         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2360         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2361         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2362         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2363         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2364         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2365         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2366         gtm_get_clock, gtm_inc_clock): New.
2367         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2368         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2369         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2370         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2371         replace uses with new libitm_i.h symbols.
2372         (dispatch_wbetl): Rename from wbetl_dispatch.
2373         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2374         away from dispatch_readonly; abort if the beginTransaction call
2375         asserted that the transaction was readonly.
2377 2009-11-03  Richard Henderson  <rth@redhat.com>
2379         * memset.c: New file.
2380         * Makefile.am (libitm_la_SOURCES): Add it.
2381         * Makefile.in: Rebuild.
2382         * testsuite/libitm.c/memset-1.c: New.
2384 2009-11-03  Richard Henderson  <rth@redhat.com>
2386         * dispatch.c: Remove file.
2387         * useraction.c (struct gtm_user_action): Move from libitm.h.
2388         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2389         (serial_memset, serial_memmove, serial_memcpy): Remove.
2390         (serial_W*, serial_R*): Remove.
2391         (serial_dispatch): Update to match.
2392         * configure.ac: Move Werror down below configure checks.  Don't
2393         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2394         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2395         Use GCC_AC_FUNC_MMAP_BLACKLIST
2396         * libitm.h: Split out all internal items to...
2397         * libitm_i.h: ... here.  New file.
2398         * copymask.c: New file.
2399         * local.c (struct gtm_local_undo): Move from libitm.h.
2400         (GTM_alloc_local): Rename from alloc_local; export.
2401         * memcpy.c: New file.
2402         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2403         * config/posix/page.c: New file.
2404         * config/posix/target_tls.h: Remove file.
2405         * barrier.c: New file.
2406         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2407         copymask.c, page.c.
2408         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2409         * method-wbetl.c: Rewrite for new cacheline methods.
2410         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2412         * config/alpha/sjlj.S: Fix typo.
2413         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2414         * config/alpha/copymask.c: New file.
2415         * config/alpha/target.h (CACHELINE_SIZE): New.
2416         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2418         * config/x86/target_i.h: Copy functions from x86/target.h.
2419         * config/x86/copymask.c: New file.
2420         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2421         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2422         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2423         * config/x86/target_tls.h: Move contents to target_i.h.
2425         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2426         * testsuite/libitm.c/memcpy-1.c: New.
2428 2009-10-22  Richard Henderson  <rth@redhat.com>
2430         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2431         (AM_CCASFLAGS): New.
2432         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2433         saving/restoring _AC_ARG_VAR_PRECIOUS.
2434         * Makefile.in, aclocal.m4, config.h.in, configure,
2435         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2437 2009-10-22  Richard Henderson  <rth@redhat.com>
2439         * testsuite/*: Update for new compiler syntax.
2441 2009-10-21  Richard Henderson  <rth@redhat.com>
2443         * libitm.h (_ITM_abortReason): Add outerAbort.
2445 2009-08-03  Richard Henderson  <rth@redhat.com>
2447         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2448         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2449         * method-wbetl.c (struct w_entry): Remove mask.
2450         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2451         adjust all callers.
2453 2009-07-22  Richard Henderson  <rth@redhat.com>
2455         * eh_cpp.c: New file.
2456         * Makefile.am (libitm_la_SOURCES): Add it.
2457         * Makefile.in: Rebuild.
2458         * beginend.c (GTM_rollback_transaction): Undo exception state.
2459         (GTM_trycommit_transaction): Mark inline.
2460         (GTM_trycommit_and_finalize_transaction): Split out from ...
2461         (_ITM_commitTransaction): ... here.
2462         (_ITM_commitTransactionEH): New function.
2463         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2464         cxa_unthrown, eh_in_flight; reorder.
2466         * testsuite/libitm.c++/c++.exp: New.
2467         * testsuite/libitm.c++/eh-1.C: New.
2469         * aatree.c (aa_free): Remove REGPARM.
2470         * aatree.h: Remove all REGPARM.
2472 2009-07-18  Richard Henderson  <rth@redhat.com>
2474         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2475         * Makefile.am (libitm_la_SOURCES): Add them.
2476         * Makefile.in: Rebuild.
2477         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2478         (GTM_trycommit_transaction): Likewise.
2479         * libitm.h: Include aatree.h
2480         (struct gtm_alloc_action): New.
2481         (struct gtm_transaction): Add alloc_actions.
2482         (GTM_record_allocation, GTM_forget_allocation): Declare.
2483         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2484         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2485         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2486         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2487         _ZGTtdaPvRKSt9nothrow_t): Export.
2489 2009-07-18  Richard Henderson  <rth@redhat.com>
2491         * target_tls.h: Move ...
2492         * config/posix/target_tls.h: ... here.
2494 2009-07-07  Richard Henderson  <rth@redhat.com>
2496         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2498 2009-07-07  Richard Henderson  <rth@redhat.com>
2500         * Update to GPL3.
2502 2009-07-07  Richard Henderson  <rth@redhat.com>
2504         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2505         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2507         * configure.tgt: Don't use -ftls-model for x86 linux.
2508         * libitm.h: Include target.h after standard includes.
2509         (_gtm_thr): Rename from gtm_thr.
2510         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2511         (gtm_disp, set_gtm_disp): New.
2512         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2513         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2514         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2516 2009-07-07  Richard Henderson  <rth@redhat.com>
2518         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2520 2009-07-06  Richard Henderson  <rth@redhat.com>
2522         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2523         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2524         (_ITM_beginTransaction): Take variadic arguments.
2525         (_ITM_registerThrownObject): Declare.
2526         * beginend.c, serial.c: Update.
2527         * libitm.map: Add _ITM_registerThrownObject.
2529 2009-01-28  Richard Henderson  <rth@redhat.com>
2531         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2532         * Makefile.in: Rebuild.
2533         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2534         (GTM_restart_transaction): Fix uninstrumented code check.
2535         * retry.c (GTM_decide_retry_strategy): Add serial check.
2536         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2537         automatically go irrevokable when in serial mode.
2538         * clone.c: New file.
2539         * libitm.h, libitm.map: Update.
2541 2009-01-27  Richard Henderson  <rth@redhat.com>
2543         * Makefile.am (LTCCASCOMPILE): Define.
2544         (libitm_la_SOURCES): Add methid-wbetl.c.
2545         * testsuite/Makefile.am: New
2546         * configure.ac: Add testsuite/Makefile.
2547         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2548         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2549         (_ITM_abortTransaction): Finalize implementation method; pass
2550         transaction properties to longjmp.
2551         (GTM_restart_transaction): Split out from ...
2552         (_ITM_commitTransaction): ... here.
2553         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2554         Move to config/x86/target.h.
2555         * config/linux/alpha/futex_bits.h: New.
2556         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2557         * config/x86/target.h: Disable target types for 32-bit.
2558         * config/alpha/sjlj.S, config/alpha/target.h: New.
2559         * libitm.h (struct gtm_dispatch): Add init, fini.
2560         (enum restart_reason): New.
2561         (struct gtm_transaction): Add method and restarts.
2562         * retry.c (GTM_decide_retry_strategy): Implement.
2563         * serial.c (serial_init, serial_fini): New.
2564         (GTM_serialmode): Finialize outgoing method.
2565         * method-wbetl.c: New.
2567 2008-12-09  Richard Henderson  <rth@redhat.com>
2569         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2570         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2571         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2572         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2573         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2574         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2575         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2576         * serial.c (serial_R##T, serial_W##T): Likewise.
2578 2008-11-21  Richard Henderson  <rth@redhat.com>
2580         * Initial commit.
2582 Copyright (C) 2008-2022 Free Software Foundation, Inc.
2584 Copying and distribution of this file, with or without modification,
2585 are permitted in any medium without royalty provided the copyright
2586 notice and this notice are preserved.