Handle TYPE_OVERFLOW_UNDEFINED vectorized BB reductions
[official-gcc.git] / libitm / ChangeLog
blobd8e6febfd8591bc0f860f92a50ce7fde34422c3c
1 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
3         * configure: Regenerate.
5 2023-08-07  Alexander von Gluck IV  <kallisti5@unixzen.com>
7         * configure: Regenerate.
9 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
11         * configure: Regenerate.
13 2023-08-07  Nick Alcock  <nick.alcock@oracle.com>
15         * configure: Regenerate.
17 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
19         * configure: Regenerate.
21 2023-08-07  H.J. Lu  <hjl.tools@gmail.com>
23         * configure: Regenerate.
25 2023-06-02  Thomas Schwinge  <thomas@codesourcery.com>
27         * configure.ac (PERL): Remove.
28         * configure: Regenerate.
29         * Makefile.in: Likewise.
30         * testsuite/Makefile.in: Likewise.
32 2023-01-02  Jakub Jelinek  <jakub@redhat.com>
34         * libitm.texi: Bump @copying's copyright year.
36 2022-11-14  Martin Liska  <mliska@suse.cz>
38         Revert:
39         2022-11-14  Martin Liska  <mliska@suse.cz>
41         * doc/c-c++-language-constructs-for-tm.rst: New file.
42         * doc/conf.py: New file.
43         * doc/copyright.rst: New file.
44         * doc/enabling-libitm.rst: New file.
45         * doc/gnu-free-documentation-license.rst: New file.
46         * doc/index.rst: New file.
47         * doc/indices-and-tables.rst: New file.
48         * doc/internals.rst: New file.
49         * doc/locking-conventions.rst: New file.
50         * doc/nesting-flat-vs-closed.rst: New file.
51         * doc/the-libitm-abi.rst: New file.
52         * doc/the-libitm-abi/function-list.rst: New file.
53         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
54         * doc/the-libitm-abi/library-design-principles.rst: New file.
55         * doc/the-libitm-abi/memory-model.rst: New file.
56         * doc/the-libitm-abi/non-objectives.rst: New file.
57         * doc/the-libitm-abi/objectives.rst: New file.
58         * doc/the-libitm-abi/sample-code.rst: New file.
59         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
60         * doc/tm-methods-and-method-groups.rst: New file.
62 2022-11-14  Martin Liska  <mliska@suse.cz>
64         Revert:
65         2022-11-14  Martin Liska  <mliska@suse.cz>
67         * Makefile.in: Support Sphinx based documentation.
69 2022-11-14  Martin Liska  <mliska@suse.cz>
71         Revert:
72         2022-11-14  Martin Liska  <mliska@suse.cz>
74         * libitm.texi: Removed.
76 2022-11-14  Martin Liska  <mliska@suse.cz>
78         Revert:
79         2022-11-14  Martin Liska  <mliska@suse.cz>
81         * Makefile.in: Support --with-sphinx-build.
82         * configure.ac: Likewise.
83         * configure: Regenerate.
85 2022-11-14  Martin Liska  <mliska@suse.cz>
87         Revert:
88         2022-11-14  Martin Liska  <mliska@suse.cz>
90         * Makefile.in: Build info pages conditionally.
92 2022-11-14  Martin Liska  <mliska@suse.cz>
94         Revert:
95         2022-11-14  Martin Liska  <mliska@suse.cz>
97         * doc/c-c++-language-constructs-for-tm.rst:
98         Add trailing newline.
99         * doc/copyright.rst:
100         Add trailing newline.
101         * doc/enabling-libitm.rst:
102         Add trailing newline.
103         * doc/gnu-free-documentation-license.rst:
104         Add trailing newline.
105         * doc/index.rst:
106         Add trailing newline.
107         * doc/indices-and-tables.rst:
108         Add trailing newline.
109         * doc/internals.rst:
110         Add trailing newline.
111         * doc/locking-conventions.rst:
112         Add trailing newline.
113         * doc/nesting-flat-vs-closed.rst:
114         Add trailing newline.
115         * doc/the-libitm-abi.rst:
116         Add trailing newline.
117         * doc/the-libitm-abi/function-list.rst:
118         Add trailing newline.
119         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
120         Add trailing newline.
121         * doc/the-libitm-abi/library-design-principles.rst:
122         Add trailing newline.
123         * doc/the-libitm-abi/memory-model.rst:
124         Add trailing newline.
125         * doc/the-libitm-abi/non-objectives.rst:
126         Add trailing newline.
127         * doc/the-libitm-abi/objectives.rst:
128         Add trailing newline.
129         * doc/the-libitm-abi/sample-code.rst:
130         Add trailing newline.
131         * doc/the-libitm-abi/types-and-macros-list.rst:
132         Add trailing newline.
133         * doc/tm-methods-and-method-groups.rst:
134         Add trailing newline.
136 2022-11-14  Martin Liska  <mliska@suse.cz>
138         Revert:
139         2022-11-14  Martin Liska  <mliska@suse.cz>
141         * Makefile.in: Add missing HAS_SPHINX_BUILD.
143 2022-11-14  Martin Liska  <mliska@suse.cz>
145         Revert:
146         2022-11-14  Martin Liska  <mliska@suse.cz>
148         * doc/conf.py: Add newline at last line.
150 2022-11-14  Martin Liska  <mliska@suse.cz>
152         Revert:
153         2022-11-14  Martin Liska  <mliska@suse.cz>
155         PR other/107620
156         * configure: Regenerate.
157         * configure.ac: Always set sphinx-build.
159 2022-11-13  Martin Liska  <mliska@suse.cz>
161         PR other/107620
162         * configure: Regenerate.
163         * configure.ac: Always set sphinx-build.
165 2022-11-10  Martin Liska  <mliska@suse.cz>
167         * doc/conf.py: Add newline at last line.
169 2022-11-09  Martin Liska  <mliska@suse.cz>
171         * Makefile.in: Add missing HAS_SPHINX_BUILD.
173 2022-11-09  Martin Liska  <mliska@suse.cz>
175         * doc/c-c++-language-constructs-for-tm.rst:
176         Add trailing newline.
177         * doc/copyright.rst:
178         Add trailing newline.
179         * doc/enabling-libitm.rst:
180         Add trailing newline.
181         * doc/gnu-free-documentation-license.rst:
182         Add trailing newline.
183         * doc/index.rst:
184         Add trailing newline.
185         * doc/indices-and-tables.rst:
186         Add trailing newline.
187         * doc/internals.rst:
188         Add trailing newline.
189         * doc/locking-conventions.rst:
190         Add trailing newline.
191         * doc/nesting-flat-vs-closed.rst:
192         Add trailing newline.
193         * doc/the-libitm-abi.rst:
194         Add trailing newline.
195         * doc/the-libitm-abi/function-list.rst:
196         Add trailing newline.
197         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst:
198         Add trailing newline.
199         * doc/the-libitm-abi/library-design-principles.rst:
200         Add trailing newline.
201         * doc/the-libitm-abi/memory-model.rst:
202         Add trailing newline.
203         * doc/the-libitm-abi/non-objectives.rst:
204         Add trailing newline.
205         * doc/the-libitm-abi/objectives.rst:
206         Add trailing newline.
207         * doc/the-libitm-abi/sample-code.rst:
208         Add trailing newline.
209         * doc/the-libitm-abi/types-and-macros-list.rst:
210         Add trailing newline.
211         * doc/tm-methods-and-method-groups.rst:
212         Add trailing newline.
214 2022-11-09  Martin Liska  <mliska@suse.cz>
216         * Makefile.in: Build info pages conditionally.
218 2022-11-09  Martin Liska  <mliska@suse.cz>
220         * Makefile.in: Support --with-sphinx-build.
221         * configure.ac: Likewise.
222         * configure: Regenerate.
224 2022-11-09  Martin Liska  <mliska@suse.cz>
226         * libitm.texi: Removed.
228 2022-11-09  Martin Liska  <mliska@suse.cz>
230         * Makefile.in: Support Sphinx based documentation.
232 2022-11-09  Martin Liska  <mliska@suse.cz>
234         * doc/c-c++-language-constructs-for-tm.rst: New file.
235         * doc/conf.py: New file.
236         * doc/copyright.rst: New file.
237         * doc/enabling-libitm.rst: New file.
238         * doc/gnu-free-documentation-license.rst: New file.
239         * doc/index.rst: New file.
240         * doc/indices-and-tables.rst: New file.
241         * doc/internals.rst: New file.
242         * doc/locking-conventions.rst: New file.
243         * doc/nesting-flat-vs-closed.rst: New file.
244         * doc/the-libitm-abi.rst: New file.
245         * doc/the-libitm-abi/function-list.rst: New file.
246         * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file.
247         * doc/the-libitm-abi/library-design-principles.rst: New file.
248         * doc/the-libitm-abi/memory-model.rst: New file.
249         * doc/the-libitm-abi/non-objectives.rst: New file.
250         * doc/the-libitm-abi/objectives.rst: New file.
251         * doc/the-libitm-abi/sample-code.rst: New file.
252         * doc/the-libitm-abi/types-and-macros-list.rst: New file.
253         * doc/tm-methods-and-method-groups.rst: New file.
255 2022-10-31  Xiongchuan Tan  <xc-tan@outlook.com>
257         * configure.tgt: Add riscv support.
258         * config/riscv/asm.h: New file.
259         * config/riscv/sjlj.S: New file.
260         * config/riscv/target.h: New file.
262 2022-10-13  Lulu Cheng  <chenglulu@loongson.cn>
264         * config/loongarch/sjlj.S: Add a soft floating point condition to the
265         register recovery part of the code.
267 2022-10-12  Martin Liska  <mliska@suse.cz>
269         * configure: Regenerate.
271 2022-10-11  Olivier Hainque  <hainque@adacore.com>
272             Olivier Hainque  <hainque@adacore.com>
274         * configure: Regenerate.
276 2022-09-28  Lulu Cheng  <chenglulu@loongson.cn>
277             Yang Yujie  <yangyujie@loongson.cn>
279         * configure.tgt: Add loongarch support.
280         * config/loongarch/asm.h: New file.
281         * config/loongarch/sjlj.S: New file.
282         * config/loongarch/target.h: New file.
284 2022-08-31  Martin Liska  <mliska@suse.cz>
286         * configure: Regenerate.
288 2022-08-31  Martin Liska  <mliska@suse.cz>
290         * configure: Regenerate.
292 2022-06-02  David Malcolm  <dmalcolm@redhat.com>
294         * testsuite/lib/libitm.exp: Add load_gcc_lib of scansarif.exp.
296 2022-02-03  David Seifert  <soap@gentoo.org>
297             Jakub Jelinek  <jakub@redhat.com>
299         * configure.ac: Support --disable-werror.
300         * configure: Regenerate.
302 2022-01-31  Martin Liska  <mliska@suse.cz>
304         * acinclude.m4: Detect *_ld_is_mold and use it.
305         * configure: Regenerate.
307 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
309         * libitm.texi: Bump @copying's copyright year.
311 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
313         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
314         target does not support HAVE_ELF_STYLE_WEAKREF then do not
315         try to test the __cxa_get_globals against NULL.
317 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
319         PR libstdc++/91488
320         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
322 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
324         PR target/70454
325         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
326         be added through preprocessor check on
327         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
329 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
331         * configure: Re-generate.
333 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
335         * libitm.texi: Bump @copying's copyright year.
337 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
339         PR target/97865
340         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
341         * configure: Regenerate.
343 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
345         * configure: Regenerate.
347 2020-10-01  Alan Modra  <amodra@gmail.com>
349         * config/powerpc/sjlj.S: Support __PCREL__ code.
351 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
353         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
355 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
357         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
358         and add BTI c to function entries.
360 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
362         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
364 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
366         PR bootstrap/95413
367         * configure: Regenerated.
369 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
371         PR bootstrap/95147
372         * configure: Regenerated.
374 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
376         * configure: Regenerated.
378 2020-05-12  Nathan Sidwell  <nathan@acm.org>
380         Fix throw specifiers on interface.
381         * libitm/libitm.h (_ITM_NOTHROW): Define.
382         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
383         (_ITM_cxa_begin_catch): Use it.
384         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
385         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
386         __cxa_get_globals.
387         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
388         (_ITM_cxa_begin_catch): Likewise.
390 2020-05-05  Nathan Sidwell  <nathan@acm.org>
392         * testsuite/lib/libitm.exp (libitm_init): Add
393         -fdiagnostics-color=never to options.
395 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
397         PR libstdc++/79193
398         PR libstdc++/88999
400         * configure: Regenerated.
402 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
404         * configure.ac: Handle `--with-toolexeclibdir='.
405         * Makefile.in: Regenerate.
406         * aclocal.m4: Regenerate.
407         * configure: Regenerate.
408         * testsuite/Makefile.in: Regenerate.
410 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
412         Update copyright years.
414         * libitm.texi: Bump @copying's copyright year.
416 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
418         PR libgomp/91938
419         * configure.tgt: Avoid IE tls on *-*-musl*.
421 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
423         * configure: Regenerate.
425 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
427         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
429 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
431         * configure.tgt: Handle *-*-uclinux*.
432         * configure: Regenerate.
434 2019-09-06  Florian Weimer  <fweimer@redhat.com>
436         * configure: Regenerate.
438 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
440         PR other/79543
441         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
442         scanning to conform to the GNU Coding Standards.
443         * configure: Regenerate.
445 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
447         * Makefile.am (finclude): Remove.
448         * Makefile.in: Regenerated.
450 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
452         Update copyright years.
454 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
456         * libitm.texi: Bump @copying's copyright year.
458 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
460         PR c++/88482
461         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
462         void * to void (*) (void *).
463         (_ITM_cxa_throw): Likewise.
464         * libitm.h (_ITM_cxa_throw): Likewise.
465         * libitm.texi (_ITM_cxa_throw): Likewise.
467 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
469         * config/powerpc/target.h (htm_available):  Add support for
470         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
472 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
474         PR bootstrap/82856
475         * Makefile.am: Include multilib.am.
476         (AUTOMAKE_OPTIONS): Add info-in-builddir.
477         (CLEANFILES): Remove libitm.info.
478         * configure.ac: Remove AC_PREREQ.
479         * testsuite/Makefile.am (RUNTEST): Remove quotes.
480         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
481         Regenerate.
483 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
485         PR libitm/86293
486         * method-serial.cc: Mark varible as potentially unused
487         to silence warning.
489 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
491         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
492         absolute relocation in a shared library.
494 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
496         PR libitm/85988
497         * config/linux/x86/tls.h (SEG_READ): Use the offset of
498         __private_tm as base.
499         (SEG_WRITE): Likewise.
500         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
501         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
502         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
503         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
504         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
506 2018-05-17  Jason Merrill  <jason@redhat.com>
508         * beginend.cc (save): Disable -Werror=deprecated-copy.
510 2018-05-02  Tom de Vries  <tom@codesourcery.com>
512         PR testsuite/85106
513         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
515 2018-05-02  Tom de Vries  <tom@codesourcery.com>
517         PR testsuite/85106
518         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
520 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
522         * config/x86/sjlj.S (_ITM_beginTransaction): Add
523         (__CET__ & 2) != 0 check for shadow stack.
524         (GTM_longjmp): Likewise.
526 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
528         * configure: Regenerated.
530 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
532         PR target/85489
533         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
535 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
537         * configure: Regenerated.
539 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
541         PR jit/85384
542         * configure: Regenerate.
544 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
546         PR target/84148
547         * configure: Regenerate.
549 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
551         Update copyright years.
553         * libitm.texi: Bump @copying's copyright year.
555 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
557         * Makefile.in: Regenerate.
558         * acinclude.m4: Add enable.m4 and cet.m4.
559         * config/x86/sjlj.S: Include cet.h.
560         (_ITM_beginTransaction): Add _CET_ENDBR.
561         Save Shadow Stack pointer.
562         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
563         * config/x86/target.h (struct gtm_jmpbuf):
564         Add new field for Shadow Stack pointer.
565         * configure: Regenerate.
566         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
567         * configure.ac: Update libtool_VERSION for x86.
568         * testsuite/Makefile.in: Regenerate.
570 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
572         * libitm/config/x86/target.h: Add new field (ssp).
573         * libitm/config/x86/sjlj.S: Change offsets.
575 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
577         * testsuite/lib/libitm.exp: Load scanlang.exp.
579 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
581         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
583 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
585         PR other/79046
586         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
587         of cat to get version from BASE-VER file.
588         * testsuite/Makefile.in: Regenerated.
590 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
592         * config/x86/target.h (htm_available): Determine vendor from
593         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
595 2017-01-18  Torvald Riegel  <triegel@redhat.com>
597         * config/x86/target.h (htm_available): Add check for some processors
598         on which TSX is broken.
600 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
602         PR other/79046
603         * configure.ac: Add GCC_BASE_VER.
604         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
605         get version from BASE-VER file.
606         * testsuite/Makefile.in: Regenerated.
607         * configure: Regenerated.
608         * Makefile.in: Regenerated.
610 2017-01-04  Alan Modra  <amodra@gmail.com>
612         * Makefile.in: Regenerate.
613         * testsuite/Makefile.in: Regenerate.
615 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
617         Update copyright years.
619         * libitm.texi: Bump @copying's copyright year.
621 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
623         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
624         * aclocal.m4: Regenerate.
625         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
626         LIBITM_CHECK_LINKER_HWCAP.
628 2016-11-15  Matthias Klose  <doko@ubuntu.com>
630         * configure: Regenerate.
632 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
634         PR libitm/70456
635         * util.cc (xmalloc): Use posix_memalign to allocate memory on
636         on cache line if requested.
638 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
640         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
641         function attribute to disable floating point in begin_transaction() on
642         S/390.
643         * beginend.cc (begin_transaction): Use
644         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
646 2016-01-22  Torvald Riegel  <triegel@redhat.com>
648         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
649         boundary.
650         (htm_fastpath): Remove.
651         (gtm_thread::begin_transaction): Fix HTM fastpath.
652         (_ITM_commitTransaction): Adapt.
653         (_ITM_commitTransactionEH): Adapt.
654         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
655         and accessors.
656         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
657         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
658         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
659         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
660         * libitm/method-serial.cc (htm_mg): Adapt.
661         (gtm_thread::serialirr_mode): Adapt.
662         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
664 2016-01-21  Torvald Riegel  <triegel@redhat.com>
666         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
667         or AIX.
669 2016-01-19  Richard Henderson  <rth@redhat.com>
671         PR bootstrap/69343
672         PR bootstrap/69339
673         Revert:
674         2016-01-13  Richard Henderson  <rth@redhat.com>
676         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
677         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
678         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
679         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
680         * configure.ac (ARCH_AARCH64): New conditional.
681         (ARCH_PPC, ARCH_S390): Likewise.
682         * Makefile.in, configure: Rebuild.
684         * libitm.h (_ITM_TYPE_M128): Always define.
685         * vect64.cc: Split ...
686         * vect128.cc: ... out of...
687         * config/x86/x86_sse.cc: ... here.
688         * config/arm/neon.cc: New file.
690 2016-01-19  Torvald Riegel  <triegel@redhat.com>
692         * local_type_traits: Remove file.
693         * libitm_i.h: Don't include it anymore.
694         (sized_integral): Remove.
696 2016-01-16  Torvald Riegel  <triegel@redhat.com>
698         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
699         safety.
700         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
701         * libitm/testsuite/libitm.c/priv-1.c: New.
703 2015-01-15  Torvald Riegel  <triegel@redhat.com>
705         testsuite/libitm.c++/libstdc++-safeexc.C: New.
707 2016-01-13  Torvald Riegel  <triegel@redhat.com>
709         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
710         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
711         (gtm_rwlock::write_unlock): Likewise.
713 2016-01-13  Richard Henderson  <rth@redhat.com>
715         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
716         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
717         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
718         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
719         * configure.ac (ARCH_AARCH64): New conditional.
720         (ARCH_PPC, ARCH_S390): Likewise.
721         * Makefile.in, configure: Rebuild.
723         * libitm.h (_ITM_TYPE_M128): Always define.
724         * vect64.cc: Split ...
725         * vect128.cc: ... out of...
726         * config/x86/x86_sse.cc: ... here.
727         * config/arm/neon.cc: New file.
729 2016-01-13  Torvald Riegel  <triegel@redhat.com>
731         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
732         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
733         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
734         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
735         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
736         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
737         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
738         (serialirr_dispatch::snapshot_most_recent): New.
739         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
741 2016-01-12  Torvald Riegel  <triegel@redhat.com>
743         * libitm_i.h (gtm_mask_stack): Remove.
744         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
745         * stmlock.h: Remove file.
746         * config/alpha/cacheline.h: Likewise.
747         * config/generic/cacheline.h: Likewise.
748         * config/powerpc/cacheline.h: Likewise.
749         * config/sparc/cacheline.h: Likewise.
750         * config/x86/cacheline.h: Likewise.
752 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
754         Update copyright years.
756         * libitm.texi: Bump @copying's copyright year.
758 2015-11-26  Torvald Riegel  <triegel@redhat.com>
760         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
761         (ml_wt_dispatch::pre_write): Adapt.
762         (ml_wt_dispatch::pre_load): Likewise.
764 2015-11-22  Torvald Riegel  <triegel@redhat.com>
766         * libitm_i.h (gtm_alloc_action): Remove union.
767         * testsuite/libitm.c/alloc-1.c: New.
769 2015-11-19  Torvald Riegel  <triegel@redhat.com>
771         * testsuite/libitm.c++/eh-5.C: New.
772         * libitm.h (_ITM_cxa_free_exception): New.
773         * libitm.map (_ITM_cxa_free_exception): Add it.
774         * libitm.texi: Update ABI docs.
775         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
776         (gtm_transaction_cp::cxa_uncaught_count): Add.
777         (gtm_thread::cxa_unthrown): Remove.
778         (gtm_thread::cxa_uncaught_count_ptr): Add.
779         (gtm_thread::cxa_uncaught_count): Add.
780         (gtm_thread::drop_references_allocations): Rename to...
781         (gtm_thread::discard_allocation): ... this and adapt.
782         (gtm_thread::init_cpp_exceptions): New.
783         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
784         (gtm_thread::begin_transaction): Likewise.
785         (gtm_transaction_cp::save): Likewise.
786         (gtm_thread::trycommit): Likewise.
787         * eh_cpp.cc: Add overview comments.
788         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
789         (free_any_exception, _ITM_cxa_free_exception): New.
790         (gtm_thread::init_cpp_exceptions): Define.
791         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
792         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
793         (gtm_thread::revert_cpp_exceptions): Likewise.
795 2015-11-09  Torvald Riegel  <triegel@redhat.com>
797         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
798         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
799         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
800         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
801         (gtm_thread::forget_allocations): New overload with size_t argument.
802         * alloc.c (gtm_thread::forget_allocation): Define new overload and
803         adapt existing one.
804         (gtm_thread::record_allocation): Adapt.
805         (gtm_thread::commit_allocations_1): Adapt.
806         (gtm_thread::commit_allocations_2): Adapt.
807         * testsuite/libitm.c++/newdelete.C: New.
809 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
810             Joseph Myers  <joseph@codesourcery.com>
811             Mark Shinwell  <shinwell@codesourcery.com>
812             Andrew Stubbs  <ams@codesourcery.com>
813             Rich Felker <dalias@libc.org>
815         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
816         GTM_begin_transaction for compatibility with FDPIC.
818 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
820         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
821         using load_gcc_lib.
823 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
825         PR libitm/61164
826         * local_atomic (__always_inline): Rename to...
827         (__libitm_always_inline): ... this.
829 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
831         PR target/52482
832         * config/powerpc/sjlj.S: Port to Xcode 2.5.
834 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
836         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
837         operands "op" and "val" to int.
839 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
841         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
842         "op" and "val" to int.
844 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
846         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
847         "op" and "val" to int.
849 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
851         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
852         Declare as static int.
853         (FUTEX_PRIVATE_FLAG): Remove L suffix.
854         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
856 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
858         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
859         sys_futex0 function.
861 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
863         * Makefile.in: Regenerated with automake-1.11.6.
864         * aclocal.m4: Likewise.
865         * configure: Likewise.
866         * testsuite/Makefile.in: Likewise.
868 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
870         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
871         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
873 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
875         PR libitm/64360
876         * libitm.c/stackundo.c (test2): Make it static.
877         (test1): Likewise.
879 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
881         Update copyright years.
883 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
885         * libitm.texi: Bump @copying's copyright year.
887 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
889         * testsuite/lib/libitm.exp: Load target-utils.exp.
890         Move load of target-supports.exp earlier.
892 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
894         * configure.tgt (x86_64): Tune -m32 multilib to generic.
896 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
898         PR bootstrap/63784
899         * configure: Regenerated.
901 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
903         PR target/63610
904         * configure: Regenerate.
906 2014-10-06  Marek Polacek  <polacek@redhat.com>
908         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
909         * testsuite/libitm.c/memset-1.c: Likewise.
911 2014-07-24  Richard Henderson  <rth@redhat.com>
913         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
914         addressing mode in epilogue.
916 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
918         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
919         -mclear-hwcap instead.
920         * configure: Regenerate.
921         * clearcap.map: Remove.
923 2014-05-21  John Marino  <gnugcc@marino.st>
925         * configure.tgt (*-*-dragonfly*): New target.
927 2014-05-19  Richard Henderson  <rth@redhat.com>
929         * config/aarch64/sjlj.S: New file.
930         * config/aarch64/target.h: New file.
931         * configure.tgt: Enable aarch64.
933 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
935         * config/generic/asmcfi.h: Also check for
936         __GCC_HAVE_DWARF2_CFI_ASM.
938 2013-04-02  Richard Henderson  <rth@redhat.com>
940         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
941         * config/arm/target.h, config/sh/target.h: Likewise.
942         * config/sparc/target.h, config/x86/target.h: Likewise.
944 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
946         * config/linux/futex_bits.h: Include errno.h.
947         (sys_futex0): If syscall returns -1, return -errno rather than
948         -1.
950 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
952         * libitm.texi (Index): Rename to Library Index.
954 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
956         PR libitm/53113
957         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
958         (x86_avx.lo): Append -mavx to CXXFLAGS.
959         * Makefile.in: Regenerate.
961 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
963         Update copyright years
965 2014-01-02  Tobias Burnus  <burnus@net-b.de>
967         * libitm.texi: Bump @copying's copyright year.
969 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
971         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
972         (FUNC): Define ELFv2 variant.
973         (END): Likewise.
974         (HIDDEN): Likewise.
975         (CALL): Likewise.
976         (BASE): Likewise.
977         (LR_SAVE): Likewise.
979 2013-09-20  Alan Modra  <amodra@gmail.com>
981         * configure: Regenerate.
983 2013-08-30  Torvald Riegel  <triegel@redhat.com>
985         * config/posix/rwlock.cc: Fix initialization order.
987 2013-08-30  Torvald Riegel  <triegel@redhat.com>
989         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
990         (htm_fastpath): Assign an asm name.
991         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
992         HTM fast paths.
993         (_ITM_actions): Likewise.
994         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
995         x86_64.
996         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
997         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
998         field to the start of the structure.
999         * config/linux/rwlock.h (gtm_rwlock): Update comments.
1000         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
1001         handling for custom HTM fast paths.
1003 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1004         Revert:
1005         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1007         * configure.tgt: Add -msoft-float to XCFLAGS.
1009 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1011         * configure.tgt: Add -msoft-float to XCFLAGS.
1013 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1015         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
1016         (htm_transaction_active): Enable zEC12 instructions in the
1017         assembler.
1018         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
1020 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1022         * acinclude.m4: Add htm asm check for s390.
1023         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
1024         * configure: Regenerate.
1025         * config/s390/target.h: Remove __HTM__ check.
1026         (htm_available): Call getauxval to get hwcaps and check whether
1027         HTM is available or not.
1029 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
1031         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
1032         * configure.ac: Use it.
1033         (AC_CHECK_HEADERS): Check for sys/auxv.h.
1034         (AC_CHECK_FUNCS): Check for getauxval.
1035         * config.h.in, configure: Rebuild.
1036         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
1037         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
1038         (USE_HTM_FASTPATH): Define.
1039         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
1040         _HTM_RETRIES) New macros.
1041         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
1042         htm_begin_success, htm_commit, htm_transaction_active): New functions.
1044 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1046         * config/s390/target.h: Include htmintrin.h.
1047         (_HTM_ITM_RETRIES): New macro definition.
1048         (htm_available, htm_init, htm_begin, htm_begin_success)
1049         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
1051 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
1052             Cesar Philippidis  <cesar@codesourcery.com>
1054         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
1055         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
1056         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
1057         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
1059 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1061         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
1062         (_ITM_getTransactionId): Same.
1063         * config/x86/target.h (htm_transaction_active): New.
1065 2013-06-20  Torvald Riegel  <triegel@redhat.com>
1067         PR libitm/57643
1068         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
1069         the HTM fastpath.
1071 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
1073         PR bootstrap/56714
1074         * local_atomic (__always_inline): Always define our version.
1075         (__calculate_memory_order): Mark inline.
1076         (atomic_thread_fence): Ditto.
1077         (atomic_signal_fence): Ditto.
1078         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
1079         (atomic_bool::atomic_flag_clear_explicit): Ditto.
1080         (atomic_bool::atomic_flag_test_and_set): Ditto.
1081         (atomic_bool::atomic_flag_clear): Ditto.
1083 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1085         * config/s390/sjlj.S: New file.
1086         * config/s390/target.h: New file.
1087         * configure.tgt: Set options for S/390.
1089 2013-03-23  Andi Kleen  <ak@linux.intel.com>
1091         * local_atomic (__always_inline): Add.
1092         (__calculate_memory_order, atomic_thread_fence,
1093         atomic_signal_fence, test_and_set, clear, store, load,
1094         exchange, compare_exchange_weak, compare_exchange_strong,
1095         fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
1096         Add __always_inline to force inlining.
1098 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
1099             Jack Howarth  <howarth@bromo.med.uc.edu>
1100             Patrick Marlier  <patrick.marlier@gmail.com>
1102         PR libitm/55693
1103         * alloc_cpp.cc: Enable function declarations on darwin.
1104         * eh_cpp.cc: Likewise.
1106 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
1108         Update copyright years.
1110 2012-11-09  Torvald Riegel  <triegel@redhat.com>
1112         * beginend.cc (htm_fastpath): New.
1113         (gtm_thread::begin_transaction, _ITM_commitTransaction,
1114         _ITM_commitTransactionEH): Add HTM fastpath handling.
1115         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
1116         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
1117         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
1118         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
1119         * configure.tgt: Add -mrtm to XCFLAGS.
1120         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
1121         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
1122         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
1123         * retry.cc (parse_default_method): Add HTM method parsing.
1124         (gtm_thread::number_of_threads_changed): Use HTM by default if
1125         available.
1127 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
1129         * configure: Regenerate.
1131 2012-10-31  Richard Henderson  <rth@redhat.com>
1133         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
1134         * configure.ac: Use it.
1135         * config.h.in, configure: Rebuild.
1136         * testsuite/Makefile.in: Rebuild.
1138 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1140         * libitm.texi: Clarify ABI requirements for data-logging functions.
1142 2012-10-24  Torvald Riegel  <triegel@redhat.com>
1144         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
1145         it requires serial mode instead of assuming that for certain
1146         dispatchs.
1147         * dispatch.h (abi_dispatch::requires_serial): New.
1148         (abi_dispatch::abi_dispatch): Adapt.
1149         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
1150         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
1151         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
1152         serial_dispatch::serial_dispatch,
1153         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
1155 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
1157         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
1158         and ia32 declarations some more.
1159         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
1161 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
1163         PR other/43620
1164         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
1165         * configure: Regenerate.
1166         * Makefile.in: Regenerate.
1168 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
1170         * configure: Regenerated.
1172 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
1174         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
1176 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
1178         * eh_cpp.cc: Fix __cxa_end_catch declaration.
1180 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
1182         * configure: Regenerated.
1184 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
1186         PR libitm/52854
1187         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
1188         for x86-64.
1190 2012-04-03  Tristan Gingold  <gingold@adacore.com>
1192         * configure: Regenerate.
1194 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
1196         PR bootstrap/52812
1197         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
1199 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1201         * testsuite/lib/libitm.exp: load fortran-modules.exp
1203 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1205         * configure.tgt (*-*-irix6*): Remove.
1207 2012-03-13  Torvald Riegel  <triegel@redhat.com>
1209         PR libitm/52526
1210         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
1211         wake-up.
1213 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1215         * configure.tgt (*-*-osf*): Remove.
1216         * configure: Regenerate.
1218 2012-03-05  Torvald Riegel  <triegel@redhat.com>
1220         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
1221         memtransfer/memset if size isn't larger than zero.
1223 2012-03-02  Torvald Riegel  <triegel@redhat.com>
1225         * libitm.texi: Link to specification and add a usage example.
1227 2012-02-24  Torvald Riegel  <triegel@redhat.com>
1229         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
1230         default dispatch for more than 1 thread to ml_wt.
1232 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1234         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
1236 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1238         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
1240 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1242         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
1243         serial mode corner cases made obsolete by prior gtm_rwlock changes.
1244         (gl_wt_dispatch.rollback): Same.
1246 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1248         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
1250 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1252         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
1253         for RfW src.  Optimize number of calls to gtm_thr.
1255 2012-02-20  Torvald Riegel  <triegel@redhat.com>
1257         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
1258         acquisition to ...
1259         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
1260         (default_dispatch): Make atomic.
1261         (GTM::gtm_thread::set_default_dispatch): Access atomically.
1262         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
1263         use decide_begin_dispatch() if default_dispatch might have changed.
1264         (GTM::gtm_thread::number_of_threads_changed): Initialize
1265         default_dispatch here.
1267 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
1268             Patrick Marlier  <patrick.marlier@gmail.com>
1270         PR libitm/52220
1271         * alloc_cpp.cc: No dummy definitions for darwin.
1272         * eh_cpp.cc: Likewise.
1274 2012-02-14  Richard Henderson  <rth@redhat.com>
1276         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
1278 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1280         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
1282 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1284         * libitm_i.h (GTM::gtm_rwlog_entry): New.
1285         (GTM::gtm_thread): Add read and write logs.
1286         (GTM::dispatch_ml_wt): Declare.
1287         * retry.cc (parse_default_method): Support ml_wt.
1288         * method-ml.cc: New file.
1289         * Makefile.am: Add method-ml.cc.
1290         * Makefile.in: Regenerate.
1292 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1294         * dispatch.h (GTM::abi_dispatch::supports): New.
1295         (GTM::method_group::reinit): New.
1296         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1297         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1298         supports the current situation.
1300 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1302         * util.cc (GTM::xcalloc): New.
1303         * common.h (GTM::xcalloc): Declare.
1305 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1307         * config/sparc/target.h (cpu_relax): Read from CC register.
1308         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1310 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1312         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1314 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1316         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1317         * config/sparc/cacheline.h: New file.
1318         * config/sparc/target.h: Likewise.
1319         * config/sparc/sjlj.S: Likewise.
1320         * config/linux/sparc/futex_bits.h: Likewise.
1322 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1324         * configure.ac (link_itm): Fix comment.
1325         * configure: Regenerate.
1326         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1328 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1330         PR libitm/51822
1331         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1332         Correct libgomp references.
1334 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1336         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1337         wake-up.
1339 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1341         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1342         end of structure.
1343         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1344         offset values.  Do not copy return address.  Decrement stack
1345         by 56 bytes only.
1346         (GTM_longjump) [__x86_64__]: Update offset values.
1348 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1350         PR libitm/51830
1351         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1352         the first function argument to %eax.
1354 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1356         * libitm.h (_ITM_getThreadnum): Remove.
1357         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1359 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1361         * clearcap.map: New file.
1362         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1363         * configure.ac: Call it.
1364         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1365         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1366         * configure: Regenerate.
1367         * Makefile.in: Regenerate.
1368         * testsuite/Makefile.in: Regenerate.
1370 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1372         PR libitm/51173
1373         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1374         include, exclude options.
1376 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1378         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1379         rolling back.
1380         * containers.h (GTM::vector::set_size): New.
1382 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1384         PR libitm/51855
1385         * config/generic/tls.h (GTM::mask_stack_top): New.
1386         (GTM::mask_stack_bottom): Declare.
1387         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1388         * local.cc (gtm_undolog::rollback): Filter out any updates that
1389         overlap the libitm stack.  Add current transaction as parameter.
1390         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1391         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1392         * testsuite/libitm.c/stackundo.c: New test.
1394 2012-01-10  Richard Henderson  <rth@redhat.com>
1396         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1397         * eh_cpp.cc (_Unwind_DeleteException): Define for
1398         !HAVE_ELF_STYLE_WEAKREF.
1400 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1402         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1403         (GTM::gtm_thread::drop_references_undolog): Remove.
1404         (GTM::gtm_thread::commit_undolog,
1405         GTM::gtm_thread::rollback_undolog): Move to ...
1406         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1407         (GTM::gtm_undolog_entry): Remove.
1408         (GTM::gtm_thread): Adapt.
1409         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1410         (GTM::gtm_thread::trycommit): Adapt.
1411         * method-serial.cc (serial_dispatch::log): Adapt.
1412         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1413         (gl_wt_dispatch::store): Fix likely/unlikely.
1414         * containers.h (GTM::vector::resize): Add additional_capacity
1415         parameter and handle it.
1416         (GTM::vector::resize_noinline): New/adapt.
1417         (GTM::vector::push): New.
1419 2012-01-06  Richard Henderson  <rth@redhat.com>
1421         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1422         * config/linux/powerpc/futex_bits.h: New file.
1423         * config/powerpc/cacheline.h: New file.
1424         * config/powerpc/sjlj.S: New file.
1425         * config/powerpc/target.h: New file.
1426         * config/generic/asmcfi.h (cfi_offset): New.
1427         (cfi_restore, cfi_undefined): New.
1429 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1431         PR other/51171
1432         * testsuite/libitm.c/reentrant.c: Remove xfail.
1433         (thread): Pass x to pure().
1434         From Patrik Marlier <patrick.marlier@gmail.com>.
1436 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1438         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1439         privatization safety if already in serial mode.
1441 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1443         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1444         finish_serial_upgrade parameter.
1445         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1446         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1447         Don't unset reader flag.
1448         (GTM::gtm_rwlock::write_upgrade_finish): New.
1449         * config/posix/rwlock.cc: Same.
1450         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1451         Declare.
1452         * config/posix/rwlock.h: Same.
1453         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1454         flag after commit or after rollback when restarting.
1456 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1458         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1459         (GTM::gtm_thread::try_commit): Changed memory order.
1460         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1461         as parameter.
1462         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1463         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1464         * config/linux/futex_bits.h (sys_futex0): Same.
1465         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1466         * config/linux/futex.h (futex_wait, futex_wake): Same.
1467         * config/linux/rwlock.h (gtm_rwlock::writers,
1468         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1469         ints.
1470         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1471         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1472         gtm_rwlock::write_unlock): Fix memory orders and fences.
1473         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1474         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1475         gtm_rwlock::write_unlock): Same.
1476         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1477         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1478         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1479         Add comments.
1480         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1481         gl_wt_dispatch::load, gl_wt_dispatch::store,
1482         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1483         orders and fences.  Add comments.
1485 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1487         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1488         * Makefile.in: Regenerated.
1490 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1492         * configure.tgt: Add sh* case.
1493         * config/sh/target.h: New file.
1494         * config/sh/sjlj.S: New file.
1495         * config/linux/sh/futex_bits.h: New file.
1497 2011-12-14  Richard Henderson  <rth@redhat.com>
1499         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1500         * config/arm/sjlj.S, config/arm/target.h: New files.
1501         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1502         (cfi_rel_offset): New.
1503         * config/linux/futex_bits.h: New file.
1504         * config/linux/futex.cc: Include futex_bits.h here...
1505         * config/linux/futex.h: ... not here.
1506         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1507         * configure.ac (ARCH_AM): New conditional.
1508         * Makefile.in, configure: Rebuild.
1509         * configure.tgt: Handle ARM.
1511 2011-12-13  Richard Henderson  <rth@redhat.com>
1513         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1514         signed/unsigned comparison werror.
1516         * local_atomic: New file.
1517         * libitm_i.h: Include it.
1518         (gtm_thread::shared_state): Use atomic template.
1519         * beginend.cc (GTM::gtm_clock): Use atomic template.
1520         (global_tid): Use atomic template if 64-bit atomics available.
1521         (gtm_thread::gtm_thread): Update shared_state access.
1522         (gtm_thread::trycommit): Likewise.
1523         (choose_code_path): Update global_tid access.
1524         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1525         * stmlock.h (GTM::gtm_clock): Use atomic template.
1526         (gtm_get_clock, gtm_inc_clock): Update accesses.
1527         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1528         redundant __sync_synchronize after atomic shared_state access.
1529         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1530         (gtm_rwlock::write_lock_generic): Likewise.
1531         (gtm_rwlock::read_unlock): Likewise.
1532         * config/alpha/target.h (atomic_read_barrier): Remove.
1533         (atomic_write_barrier): Remove.
1534         * config/x86/target.h (atomic_read_barrier): Remove.
1535         (atomic_write_barrier): Remove.
1537 2011-11-30  Richard Henderson  <rth@redhat.com>
1539         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1540         * beginend.c (_ITM_abortTransaction): Update to match.
1541         (GTM::gtm_thread::restart): Likewise.
1542         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1543         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1545 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1547         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1548         * Makefile.in: Regenerate.
1550 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1552         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1553         * alloc_cpp.cc: Generate dummy functions if we don't
1554         HAVE_ELF_STYLE_WEAKREF.
1555         * eh_cpp.cc: Likewise.
1556         * configure: Regenerate.
1557         * aclocal.m4:  Likewise.
1558         * config.h.in: Likewise.
1559         * Makefile.in: Likewise.
1560         * testsuite/Makefile.in: Likewise.
1562 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1564         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1565         __USER_LABEL_PREFIX__ for targets that use it.
1566         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1567         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1568         in portability to non-elf targets.
1569         (GTM_longjmp): Likewise.
1570         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1571         where required.
1573 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1575         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1576         * testsuite/libitm.c/memset-1.c: Likewise.
1578 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1580         * configure: Regenerate.
1582 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1584         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1585         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1586         * Makefile.am: Handle sun style versioning.
1587         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1588         * configure: Regenerate.
1589         * Makefile.in: Regenerate.
1591 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1593         * config/generic/asmcfi.h: Fix comment.
1594         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1595         sequence without .hidden support, error for non-ELF targets.
1596         (GTM_longjmp) [__ELF__]: Only use .hidden if
1597         HAVE_ATTRIBUTE_VISIBILITY.
1599 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1601         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1602         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1603         Dummy functions.
1604         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1605         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1607 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1609         PR bootstrap/51098
1610         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1611         * configure: Regenerate.
1613 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1615         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1617 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1619         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1620         .hidden.
1621         (.note.GNU-stack): Only use if __linux__.
1622         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1623         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1624         * testsuite/libitm.c/reentrant.c: Likewise.
1625         * testsuite/libitm.c/simple-2.c: Likewise.
1626         * testsuite/libitm.c/txrelease.c: Likewise.
1627         * testsuite/libitm.c++/static_ctor.C: Likewise.
1629 2011-11-10  Richard Henderson  <rth@redhat.com>
1631         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1632         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1633         * configure.ac (ARCH_X86_AVX): New conditional.
1634         * Makefile.in, configure: Rebuild.
1636 2011-11-09  Richard Henderson  <rth@redhat.com>
1638         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1639         * configure.ac: Use it.
1640         * config.h.in, configure: Rebuild.
1641         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1643 2011-11-09  Richard Henderson  <rth@redhat.com>
1645         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1646         * config/alpha/unaligned.h: Remove file.
1647         * config/generic/unaligned.h: Remove file.
1648         * config/x86/unaligned.h: Remove file.
1649         * config/generic/cachepage.h: Remove file.
1650         * config/posix/cachepage.cc: Remove file.
1651         * config/generic/cacheline.cc: Remove file.
1652         * config/x86/cacheline.cc: Remove file.
1653         * config/generic/cacheline.h (gtm_cacheline): Remove the
1654         store_mask, copy_mask, copy_mask_wb methods.
1655         * config/x86/cacheline.h: Likewise.
1656         * config/alpha/cacheline.h: Fall back to generic after setting size.
1657         * config/generic/tls.cc (gtm_mask_stack): Remove.
1658         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1659         (GTM_vpalignr_table): Remove.
1660         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1661         (GTM_pshift_table): Remove.
1662         * config/libitm_i.h: Don't include cachepage.h.
1663         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1664         * Makefile.in, testsuite/Makefile.in: Rebuild.
1666 2011-11-09  Richard Henderson  <rth@redhat.com>
1668         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1669         to emit branch prediction hint.
1671         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1672         Protect .note.GNU-stack with __linux__.
1674         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1675         * configure, aclocal.m4, config.h.in: Rebuild.
1676         * config/generic/asmcfi.h: New file.
1677         * config/x86/sjlj.S: Use it.
1679 2011-11-08  Richard Henderson  <rth@redhat.com>
1681         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1683 2011-11-08  Richard Henderson  <rth@redhat.com>
1685         * configure.tgt: Test correct directory for supported cpus.
1687         * configure.ac: Exit if unsupported.
1688         * configure: Rebuild.
1689         * configure.tgt: Delete boilerplate from libgomp for unsupported
1690         targets.  Set UNSUPPORTED for unsupported targets.
1692 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1694         * configure.tgt: Handle i386 like i[456]86.
1695         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1696         take address.
1697         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1698         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1700 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1702         * method-wbetl.cc: Update copyright notice.
1703         * aatree.cc: Same.
1704         * util.cc: Same.
1705         * libitm.h: Same.
1706         * memset.cc: Same.
1707         * eh_cpp.cc: Same.
1708         * barrier.tpl: Same.
1709         * useraction.cc: Same.
1710         * stmlock.h: Same.
1711         * memcpy.cc: Same.
1712         * common.h: Same.
1713         * config/generic/tls.cc: Same.
1714         * config/generic/cacheline.h: Same.
1715         * config/generic/cachepage.h: Same.
1716         * config/generic/cacheline.cc: Same.
1717         * config/generic/unaligned.h: Same.
1718         * config/x86/cacheline.h: Same.
1719         * config/x86/cacheline.cc: Same.
1720         * config/x86/unaligned.h: Same.
1721         * config/alpha/cacheline.h: Same.
1722         * config/alpha/unaligned.h: Same.
1723         * config/alpha/sjlj.S: Same.
1724         * config/posix/cachepage.cc: Same.
1725         * config/linux/futex.h: Same.
1726         * config/linux/alpha/futex_bits.h: Same.
1728 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1730         * libitm.texi: No cover text and invariant sections.
1732 2011-11-03  Richard Henderson  <rth@redhat.com>
1734         * local_type_traits: New file.
1735         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1737 2011-11-03  Richard Henderson  <rth@redhat.com>
1739         * configure.ac: Don't test for gfortran.
1740         * configure: Rebuild.
1742         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1743         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1745 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1747         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1748         * testsuite/libitm.c/memset-1.c: Same.
1749         * testsuite/libitm.c/c.exp: Same.
1750         * testsuite/lib/libitm-dg.exp: Same.
1751         * testsuite/lib/libitm.exp: Same.
1752         * testsuite/libitm.c++/c++.exp: Same.
1754 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1756         * testsuite/config/default.exp: Update copyright date.
1757         * configure.ac: Add copyright info.
1758         * configure.tgt: Same.
1760 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1762         * testsuite/libitm.c/reentrant.c: XFAIL.
1763         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1765 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1767         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1768         handle aborts.
1769         (_ITM_abortTransaction): Handle aborts of outer transactions.
1770         * libitm_i.h: Same.
1771         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1772         * libitm.texi: Document aborts of outer transactions.
1773         * testsuite/libitm.c/cancel.c: New file.
1775 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1777         * testsuite/*: Change __transaction to __transaction_atomic or
1778         __transaction_relaxed.
1780 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1782         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1783         (gtm_thr): Same.
1785 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1787         * libitm_i.h: Add gl_wt dispatch.
1788         * retry.cc (parse_default_method): Same.
1789         * method-gl.cc: New file.
1790         * Makefile.am: Use method-gl.cc.
1791         * Makefile.in: Rebuild.
1793 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1795         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1796         safety if requested by a TM method.
1797         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1798         privatization safety.
1799         * method-serial.cc: Same.
1801 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1803         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1804         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1805         undolog-related member functions from *_local to *_undolog.
1806         * local.cc (gtm_thread::commit_undolog): Same.
1807         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1808         (GTM::gtm_thread::rollback): Roll back undolog before
1809         dispatch-specific rollback.
1811 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1813         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1814         re-initialization of the current method group.
1815         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1817 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1819         * alloc.cc (commit_allocations_2): Do not free transaction-local
1820         memory when committing a nested transaction.
1822 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1824         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1825         serial-irrevocable dispatch, not serial.
1827 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1829         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1830         declarations.
1831         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1832         * method-serial.cc: Implement begin_or_restart().
1833         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1834         dispatch-specific begin_or_restart().
1835         (GTM::gtm_thread::restart): Same.
1837 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1839         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1840         restarting without switching to serial mode.
1841         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1842         transaction state. Choose closed-nesting alternative if available.
1843         (GTM::gtm_thread::set_default_dispatch): New.
1844         (parse_default_method): New.
1845         (GTM::gtm_thread::number_of_threads_changed): New.
1846         * method-serial.cc (GTM::serial_mg): New method group class.
1847         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1848         fini.
1849         (GTM::serial_dispatch): Same.
1850         (GTM::serialirr_onwrite_dispatch): Same.
1851         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1852         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1853         registered threads.
1854         (GTM::gtm_thread::gtm_thread): Same.
1855         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1856         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1857         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1858         choose dispatch but set state according to dispatch here.
1859         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1860         (GTM::method_group): New class.
1861         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1862         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1863         * libitm.texi: Document TM methods, method groups, method life cycle.
1864         Rename method sets to method groups.
1866 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1868         * config/x86/tls.h: Moved to ...
1869         * config/linux/x86/tls.h: ... here.
1871 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1873         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1874         Add X32 support.
1875         * config/x86/sjlj.S: Same.
1877 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1879         * config/linux/rwlock.h: New file.
1880         * config/linux/rwlock.c: New file.
1881         * configure.ac: Reenable futex support (undo SVN rev 157758).
1882         * Makefile.am: Same.
1883         * configure.tgt: Same.
1884         * config/linux/alpha/futex_bits.h: Same.
1885         * config/linux/futex.h: Same. Return number of woken processes.
1886         * config/linux/futex.cc: Same.
1887         (futex_wait): Remove spinning.
1888         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1889         Use __x86_64__ instead of __LP64__.
1890         * aclocal.m4: Include generic futex checks.
1891         * configure: Rebuild.
1892         * Makefile.in: Rebuild.
1893         * testsuite/Makefile.in: Rebuild.
1894         * beginend.cc: Include pthread.h.
1895         * config/posix/cachepage.cc: Same.
1897 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1899         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1900         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1901         (set_gtm_thr): New.
1902         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1903         (set_gtm_thr): New.
1904         (GTM::gtm_thread::thread_num): Removed.
1905         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1906         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1907         tx-to-thread renaming.
1908         * beginend.cc: Adapted to tx-to-thread renaming.
1909         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1910         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1911         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1912         gtm_transaction to gtm_thread.
1913         (_ITM_getThreadnum): Removed. Not supported anymore.
1914         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1915         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1916         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1917         gtm_tx-to-gtm_thr renaming if necessary.
1918         * eh_cpp.cc: Same.
1919         * local.cc: Same.
1920         * retry.cc: Same.
1921         * clone.cc: Same.
1922         * alloc.cc: Same.
1923         * alloc_c.cc: Same.
1924         * alloc_cpp.cc: Same.
1925         * method-serial.cc: Same.
1926         * config/generic/tls.cc: Same.
1927         * config/posix/rwlock.h (gtm_rwlock): Same.
1928         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1930 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1932         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1933         implementation.
1934         (gtm_rwlock::read_unlock): Same.
1935         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1936         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1937         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1938         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1939         w_upgrade. Replaced by per-transaction flags (in shared_state).
1940         Added c_confirmed_writers.
1941         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1942         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1943         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1944         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1945         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1946         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1947         * libitm.texi: Document locking conventions and implementations in
1948         libitm.
1950 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1952         * libitm_i.h (next_tx): Add list of all threads' transaction.
1953         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1954         transaction with list of transactions and ...
1955         (thread_exit_handler): ... deregister here.
1956         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1957         * config/x86/target.h: Same.
1959 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1961         * testsuite/libitm.c++/static_ctor.C: New file.
1963 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1965         * testsuite/libitm.c/reentrant.c: New file.
1967 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1969         * config/generic/tls.h: Remove the free list for transactions and ...
1970         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1971         (GTM::gtm_transaction::operator delete): ... and release here.
1972         (thread_exit_handler): New. Delete tx when thread terminates.
1973         (thread_exit_init): New.
1974         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1975         * testsuite/libitm.c/txrelease.c: New file.
1977 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1979         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1980         * testsuite/libitm.c/notx.c: New file.
1982 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1984         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1985         * libitm_i.h (local_tid): ... to here.
1986         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1987         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1989 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1991         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1992         serialirr_onwrite_dispatch as new default for now.
1993         * method-serial.cc (serialirr_onwrite_dispatch): New.
1994         (GTM::dispatch_serialirr_onwrite): New.
1995         * libitm_i.h: Same.
1997 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1999         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
2000         * query.cc (_ITM_getTransactionId): There is no active transaction if
2001         the current nesting level is zero.
2003 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2005         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
2006         rollback.
2008 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2010         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
2011         transaction properties from the caller instead of from the
2012         transaction object.
2013         * libitm_i.h: Same.
2014         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
2016 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2018         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
2019         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
2020         * dispatch.h: Same.
2021         * method-serial.cc: Same.
2022         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
2023         flat nesting as default, and closed nesting on demand.
2024         (GTM::gtm_transaction::rollback): Same.
2025         (_ITM_abortTransaction): Same.
2026         (GTM::gtm_transaction::restart): Same.
2027         (GTM::gtm_transaction::trycommit): Same.
2028         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
2029         (choose_code_path): New.
2030         (GTM::gtm_transaction_cp::save): New.
2031         (GTM::gtm_transaction_cp::commit): New.
2032         * query.cc (_ITM_inTransaction): Support flat nesting.
2033         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
2034         (GTM::gtm_transaction): Support flat and closed nesting.
2035         * alloc.cc (commit_allocations_2): New.
2036         (commit_cb_data): New helper struct.
2037         (GTM::gtm_transaction::commit_allocations): Handle nested
2038         commits/rollbacks.
2039         * libitm.texi: Update user action section, add description of nesting.
2041 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2043         * libitm_i.h: Add closed nesting as restart reason.
2044         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
2046 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2048         * useraction.cc: Use vector instead of list to store actions.
2049         Also support partial rollbacks for closed nesting.
2050         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
2051         * beginend.cc: Same.
2053 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2055         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
2056         closed_nesting flags, as well as a closed nesting alternative.
2057         * method-serial.cc: Same.
2058         (serial_dispatch): Renamed to serialirr_dispatch.
2059         (GTM::dispatch_serialirr): Same.
2060         (serial_dispatch_ul): Renamed to serial_dispatch.
2061         (GTM::dispatch_serial): Same.
2063 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2065         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
2067 2011-07-28  Torvald Riegel  <triegel@redhat.com>
2069         * aatree.h (aa_tree::remove): New.
2070         (aa_tree::operator new): Add placement new.
2072 2011-07-02  Torvald Riegel  <triegel@redhat.com>
2074         * containers.h: New file.
2075         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
2076         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
2077         * common.h: ... to here.
2078         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
2079         * local.cc: Same.
2081 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2083         * libitm_i.h (STATE_ABORTING): Remove.
2084         * beginend.cc (_ITM_abortTransaction): Same.
2085         (GTM::gtm_transaction::trycommit_and_finalize): Same.
2086         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
2087         (_ITM_rollbackTransaction): Remove.
2088         * beginend.cc: Same.
2089         * libitm.map: Same.
2090         * libitm.texi: Document these ABI changes.
2092 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2094         * libitm.texi: New file.
2095         * Makefile.am: Add libitm.texi.
2096         * Makefile.in: Rebuild.
2098 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2100         * libitm_i.h: Move parts to common.h and dispatch.h.
2101         * common.h: New file.
2102         * dispatch.h: New file, new dispatch class.
2103         Rename GTM::abi_dispatch::lock_type to ls_modifier.
2104         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
2105         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
2106         decision to retry.cc.
2107         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
2108         only.
2109         (GTM::gtm_transaction::decide_begin_dispatch): Same.
2110         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
2111         logging.
2112         * barrier.cc: Use new barriers definitions.
2113         (abi_dispatch::memmove_overlap_check): New.
2114         * config/x86/x86_sse.cc: Same.
2115         * config/x86/x86_avx.cc: Same.
2116         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
2117         memcpy.cc.
2118         * Makefile.in: Rebuild.
2119         * method-readonly.cc: Remove.
2120         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
2121         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
2123 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2125         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
2126         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
2127         * testsuite/libitm.c/dropref-2.c: Same.
2128         * testsuite/libitm.c/dropref.c: Same.
2130 2011-06-30  Torvald Riegel  <triegel@redhat.com>
2132         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
2133         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
2134         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
2135         * alloc_c.cc: Same.
2136         * barrier.tpl: Same.
2137         * beginend.c: Same.
2138         * config/generic/tls.h: Same.
2139         * config/x86/tls.h: Same.
2140         * libitm_i.h: Same.
2141         * memcpy.cc: Same.
2142         * memset.cc: Same.
2143         * method-readonly.cc: Same.
2144         * method-serial.cc: Same.
2145         * method-wbetl.cc: Same.
2146         * retry.cc: Same.
2148 2011-03-03  Richard Henderson  <rth@redhat.com>
2150         * config/posix/rwlock.cc (write_upgrade): Add missing case.
2151         From Patrik Marlier <patrick.marlier@unine.ch>.
2153 2011-02-03  Richard Henderson  <rth@redhat.com>
2155         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
2156         * configure.ac: Use it.
2157         * configure, config.h.in: Rebuild.
2158         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
2159         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
2160         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
2161         * libitm.map: Use wildcards to match size_t mangling.
2163 2010-12-14  Richard Henderson  <rth@redhat.com>
2165         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
2166         blocks of TIDs per thread.
2167         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
2168         (setup_gtm_thr): Return the thread structure.
2169         * config/x86/tls.h (setup_gtm_thr): Likewise.
2171 2010-12-14  Richard Henderson  <rth@redhat.com>
2173         * clone.cc (table_lock): Remove.
2174         (find_clone): Don't take it.
2175         (ExcludeTransaction): New helper class.
2176         (_ITM_registerTMCloneTable): Use it.
2177         (_ITM_deregisterTMCloneTable): Likewise.
2179 2010-12-14  Richard Henderson  <rth@redhat.com>
2181         * config/x86/tls.h: New file.
2183 2010-07-15  Richard Henderson  <rth@redhat.com>
2185         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
2186         * Makefile.in: Rebuild.
2188 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2190         * method-wbetl.cc (trydropreference): Fix source line.
2192 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
2194         * libitm.h: Add comment.
2195         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
2197 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
2199         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
2200         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
2201         available, use pthread mutexes.
2202         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
2203         * config.h.in: Regenerate.
2204         * configure: Regenerate.
2206 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
2208         * libitm.h (ITM_PURE): Define.
2209         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
2211 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2213         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
2214         (validate): Add comment.
2215         (trydropreference): New.
2216         * method-readonly.cc (class readonly_dispatch): Add
2217         trydropreference.
2218         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
2219         Call trydropreference().
2220         * libitm.h (_ITM_dropReferences): Remove const attribute.
2221         * method-serial.cc (class serial_dispatch): Add trydropreference.
2222         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
2224 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
2226         * memcpy.cc (do_memcpy): Comment.
2228 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
2230         * barrier.tpl: Add comments throughout.
2232 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2234         * method-wbetl.cc (struct w_entry): Add comments.
2235         (trycommit): Same.
2236         (rollback): Same.
2238 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
2240         * alloc_c.cc (_ITM_dropReferences): New.
2241         * libitm.map (_ITM_dropReferences): Add.
2242         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
2243         * libitm_i.h (struct gtm_transaction): Declare
2244         drop_references_allocations and drop_references_local.
2245         * local.cc (rollback_local): Ignore memory when applicable.
2246         (drop_references_local): New.
2248 2010-06-23  Richard Henderson  <rth@redhat.com>
2250         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
2251         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
2252         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
2253         * config/alpha/target.h: Likewise.
2254         * config/generic/tls.cc (gtm_mask_stack): Use it.
2256 2010-06-23  Richard Henderson  <rth@redhat.com>
2258         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
2259         a mutex instead of trying a lock-free compare-and-swap on the list.
2260         (gtm_cacheline_page::operator delete): Likewise.
2262 2010-06-16  Richard Henderson  <rth@redhat.com>
2264         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
2265         that overlap the libitm stack.
2266         * barrier.tpl: Mark incoming stack.
2267         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
2268         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
2269         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
2270         * memcpy.cc, memset.cc: Likewise.
2271         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
2272         * config/generic/tls.h (gtm_thread): Add stack_top member.
2273         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
2274         * libitm_i.h (gtm_mask_stack): Declare.
2275         * config/generic/tls.cc: New file.
2276         * Makefile.am (libitm_la_SOURCES): Add it.
2277         (AM_CXXFLAGS): Turn off exceptions.
2278         * Makefile.in: Rebuild.
2280 2010-06-16  Richard Henderson  <rth@redhat.com>
2282         * alloc.cc (struct gtm_alloc_action): Move definition ...
2283         * libitm_i.h: ... here.
2284         (class gtm_transaction): Declare new and delete.
2285         * beginend.cc (alloc_tx): Reformulate as operator new.
2286         (free_tx): Reformulate as operator delete.
2287         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
2289 2010-06-11  Richard Henderson  <rth@redhat.com>
2291         * clone.cc (clone_entry_compare): Fix typo.
2292         From Patrik Marlier <patrick.marlier@unine.ch>.
2294 2010-05-13  Richard Henderson  <rth@redhat.com>
2296         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2297         in extern "C".
2299 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2301         * libitm_i.h (struct gtm_transaction): Remove
2302         get_allocation_size.
2303         (record_allocation): Remove size parameter.
2304         * libitm.map (_ITM_realloc): Remove.
2305         * alloc_c.cc (_ITM_realloc): Remove.
2306         (_ITM_malloc): Remove size argument to record_allocation.
2307         (_ITM_calloc): Same.
2308         * alloc_cpp.cc (_ZGTtnwm): Same.
2309         (_ZGTtnwmRKSt9nothrow_t): Same.
2310         (_ZGTtnam): Same.
2311         (_ZGTtnamRKSt9nothrow_t): Same.
2312         * alloc.cc (struct gtm_alloc_action): Remove size.
2313         (get_allocation_size): Remove.
2314         (commit_allocations): Add comment.
2315         (record_allocation): Remove size parameter.
2316         (forget_allocation): Remove set of size.
2318 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2320         * Makefile.am (abi_version): New.
2321         (AM_CXXFLAGS): Pass abi_version.
2322         * Makefile.in: Regenerate.
2323         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2325 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2327         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2328         _ITM_getTMCloneOrIrrevokable.
2329         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2330         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2332 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2334         * configure.ac: Remove Linux futex support.
2335         * configure.tgt (config_path): Same.
2336         * Makefile.am: Same.
2337         * config/linux: Remove entire directory.
2338         * configure: Rebuild.
2339         * Makefile.in: Rebuild.
2340         * testsuite/Makefile.in: Rebuild.
2342 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2344         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2345         switching to serial mode.
2346         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2348 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2350         * configure.tgt: Add emacs -*- tags.
2351         * barrier.tpl: Same.
2353 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2355         * Makefile.am: Rename serial.cc to method-serial.cc.
2356         * Makefile.in: Regenerate with automake 1.11.1.
2357         * testsuite/Makefile.in: Same.
2358         * aclocal.m4: Regenerate with aclocal 1.11.1.
2359         * method-serial.cc: Rename from serial.cc.
2360         * libitm_i.h (struct gtm_transaction): Update comment on
2361         serialirr_mode.
2363 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2365         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2366         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2368 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2370         * configure: Rebuild.
2372 2009-11-12  Richard Henderson  <rth@redhat.com>
2374         * Rewrite everything in C++.
2376 2009-11-03  Richard Henderson  <rth@redhat.com>
2378         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2379         * Makefile.am (libitm_la_SOURCES): Add them.
2380         * configure.ac (ARCH_X86): New conditional.
2381         * Makefile.in, configure: Rebuild.
2382         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2383         Move futex setup into "other system configury" case.
2384         * local.c (rollback_local): Merge into ...
2385         (GTM_rollback_local): ... here.
2386         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2387         (_ITM_LB): Define as an alias to GTM_LB.
2389 2009-11-03  Richard Henderson  <rth@redhat.com>
2391         * method-readonly.c: New file.
2392         * Makefile.am (libitm_la_SOURCES): Add it.
2393         * Makefile.in: Rebuild.
2394         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2395         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2396         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2397         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2398         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2399         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2400         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2401         gtm_get_clock, gtm_inc_clock): New.
2402         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2403         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2404         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2405         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2406         replace uses with new libitm_i.h symbols.
2407         (dispatch_wbetl): Rename from wbetl_dispatch.
2408         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2409         away from dispatch_readonly; abort if the beginTransaction call
2410         asserted that the transaction was readonly.
2412 2009-11-03  Richard Henderson  <rth@redhat.com>
2414         * memset.c: New file.
2415         * Makefile.am (libitm_la_SOURCES): Add it.
2416         * Makefile.in: Rebuild.
2417         * testsuite/libitm.c/memset-1.c: New.
2419 2009-11-03  Richard Henderson  <rth@redhat.com>
2421         * dispatch.c: Remove file.
2422         * useraction.c (struct gtm_user_action): Move from libitm.h.
2423         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2424         (serial_memset, serial_memmove, serial_memcpy): Remove.
2425         (serial_W*, serial_R*): Remove.
2426         (serial_dispatch): Update to match.
2427         * configure.ac: Move Werror down below configure checks.  Don't
2428         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2429         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2430         Use GCC_AC_FUNC_MMAP_BLACKLIST
2431         * libitm.h: Split out all internal items to...
2432         * libitm_i.h: ... here.  New file.
2433         * copymask.c: New file.
2434         * local.c (struct gtm_local_undo): Move from libitm.h.
2435         (GTM_alloc_local): Rename from alloc_local; export.
2436         * memcpy.c: New file.
2437         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2438         * config/posix/page.c: New file.
2439         * config/posix/target_tls.h: Remove file.
2440         * barrier.c: New file.
2441         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2442         copymask.c, page.c.
2443         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2444         * method-wbetl.c: Rewrite for new cacheline methods.
2445         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2447         * config/alpha/sjlj.S: Fix typo.
2448         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2449         * config/alpha/copymask.c: New file.
2450         * config/alpha/target.h (CACHELINE_SIZE): New.
2451         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2453         * config/x86/target_i.h: Copy functions from x86/target.h.
2454         * config/x86/copymask.c: New file.
2455         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2456         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2457         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2458         * config/x86/target_tls.h: Move contents to target_i.h.
2460         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2461         * testsuite/libitm.c/memcpy-1.c: New.
2463 2009-10-22  Richard Henderson  <rth@redhat.com>
2465         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2466         (AM_CCASFLAGS): New.
2467         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2468         saving/restoring _AC_ARG_VAR_PRECIOUS.
2469         * Makefile.in, aclocal.m4, config.h.in, configure,
2470         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2472 2009-10-22  Richard Henderson  <rth@redhat.com>
2474         * testsuite/*: Update for new compiler syntax.
2476 2009-10-21  Richard Henderson  <rth@redhat.com>
2478         * libitm.h (_ITM_abortReason): Add outerAbort.
2480 2009-08-03  Richard Henderson  <rth@redhat.com>
2482         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2483         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2484         * method-wbetl.c (struct w_entry): Remove mask.
2485         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2486         adjust all callers.
2488 2009-07-22  Richard Henderson  <rth@redhat.com>
2490         * eh_cpp.c: New file.
2491         * Makefile.am (libitm_la_SOURCES): Add it.
2492         * Makefile.in: Rebuild.
2493         * beginend.c (GTM_rollback_transaction): Undo exception state.
2494         (GTM_trycommit_transaction): Mark inline.
2495         (GTM_trycommit_and_finalize_transaction): Split out from ...
2496         (_ITM_commitTransaction): ... here.
2497         (_ITM_commitTransactionEH): New function.
2498         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2499         cxa_unthrown, eh_in_flight; reorder.
2501         * testsuite/libitm.c++/c++.exp: New.
2502         * testsuite/libitm.c++/eh-1.C: New.
2504         * aatree.c (aa_free): Remove REGPARM.
2505         * aatree.h: Remove all REGPARM.
2507 2009-07-18  Richard Henderson  <rth@redhat.com>
2509         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2510         * Makefile.am (libitm_la_SOURCES): Add them.
2511         * Makefile.in: Rebuild.
2512         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2513         (GTM_trycommit_transaction): Likewise.
2514         * libitm.h: Include aatree.h
2515         (struct gtm_alloc_action): New.
2516         (struct gtm_transaction): Add alloc_actions.
2517         (GTM_record_allocation, GTM_forget_allocation): Declare.
2518         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2519         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2520         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2521         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2522         _ZGTtdaPvRKSt9nothrow_t): Export.
2524 2009-07-18  Richard Henderson  <rth@redhat.com>
2526         * target_tls.h: Move ...
2527         * config/posix/target_tls.h: ... here.
2529 2009-07-07  Richard Henderson  <rth@redhat.com>
2531         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2533 2009-07-07  Richard Henderson  <rth@redhat.com>
2535         * Update to GPL3.
2537 2009-07-07  Richard Henderson  <rth@redhat.com>
2539         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2540         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2542         * configure.tgt: Don't use -ftls-model for x86 linux.
2543         * libitm.h: Include target.h after standard includes.
2544         (_gtm_thr): Rename from gtm_thr.
2545         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2546         (gtm_disp, set_gtm_disp): New.
2547         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2548         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2549         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2551 2009-07-07  Richard Henderson  <rth@redhat.com>
2553         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2555 2009-07-06  Richard Henderson  <rth@redhat.com>
2557         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2558         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2559         (_ITM_beginTransaction): Take variadic arguments.
2560         (_ITM_registerThrownObject): Declare.
2561         * beginend.c, serial.c: Update.
2562         * libitm.map: Add _ITM_registerThrownObject.
2564 2009-01-28  Richard Henderson  <rth@redhat.com>
2566         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2567         * Makefile.in: Rebuild.
2568         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2569         (GTM_restart_transaction): Fix uninstrumented code check.
2570         * retry.c (GTM_decide_retry_strategy): Add serial check.
2571         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2572         automatically go irrevokable when in serial mode.
2573         * clone.c: New file.
2574         * libitm.h, libitm.map: Update.
2576 2009-01-27  Richard Henderson  <rth@redhat.com>
2578         * Makefile.am (LTCCASCOMPILE): Define.
2579         (libitm_la_SOURCES): Add methid-wbetl.c.
2580         * testsuite/Makefile.am: New
2581         * configure.ac: Add testsuite/Makefile.
2582         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2583         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2584         (_ITM_abortTransaction): Finalize implementation method; pass
2585         transaction properties to longjmp.
2586         (GTM_restart_transaction): Split out from ...
2587         (_ITM_commitTransaction): ... here.
2588         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2589         Move to config/x86/target.h.
2590         * config/linux/alpha/futex_bits.h: New.
2591         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2592         * config/x86/target.h: Disable target types for 32-bit.
2593         * config/alpha/sjlj.S, config/alpha/target.h: New.
2594         * libitm.h (struct gtm_dispatch): Add init, fini.
2595         (enum restart_reason): New.
2596         (struct gtm_transaction): Add method and restarts.
2597         * retry.c (GTM_decide_retry_strategy): Implement.
2598         * serial.c (serial_init, serial_fini): New.
2599         (GTM_serialmode): Finialize outgoing method.
2600         * method-wbetl.c: New.
2602 2008-12-09  Richard Henderson  <rth@redhat.com>
2604         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2605         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2606         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2607         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2608         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2609         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2610         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2611         * serial.c (serial_R##T, serial_W##T): Likewise.
2613 2008-11-21  Richard Henderson  <rth@redhat.com>
2615         * Initial commit.
2617 Copyright (C) 2008-2023 Free Software Foundation, Inc.
2619 Copying and distribution of this file, with or without modification,
2620 are permitted in any medium without royalty provided the copyright
2621 notice and this notice are preserved.