Add gcc-changelog related scripts.
[gcc.git] / libitm / ChangeLog
1 2020-05-12 Nathan Sidwell <nathan@acm.org>
2
3 Fix throw specifiers on interface.
4 * libitm/libitm.h (_ITM_NOTHROW): Define.
5 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
6 (_ITM_cxa_begin_catch): Use it.
7 * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
8 __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
9 __cxa_get_globals.
10 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
11 (_ITM_cxa_begin_catch): Likewise.
12
13 2020-05-05 Nathan Sidwell <nathan@acm.org>
14
15 * testsuite/lib/libitm.exp (libitm_init): Add
16 -fdiagnostics-color=never to options.
17
18 2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
19
20 PR libstdc++/79193
21 PR libstdc++/88999
22
23 * configure: Regenerated.
24
25 2020-01-24 Maciej W. Rozycki <macro@wdc.com>
26
27 * configure.ac: Handle `--with-toolexeclibdir='.
28 * Makefile.in: Regenerate.
29 * aclocal.m4: Regenerate.
30 * configure: Regenerate.
31 * testsuite/Makefile.in: Regenerate.
32
33 2020-01-01 Jakub Jelinek <jakub@redhat.com>
34
35 Update copyright years.
36
37 * libitm.texi: Bump @copying's copyright year.
38
39 2019-12-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
40
41 PR libgomp/91938
42 * configure.tgt: Avoid IE tls on *-*-musl*.
43
44 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
45
46 * configure: Regenerate.
47
48 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
49
50 * config/arm/sjlj.S (ldaddr): Add FDPIC support.
51
52 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
53
54 * configure.tgt: Handle *-*-uclinux*.
55 * configure: Regenerate.
56
57 2019-09-06 Florian Weimer <fweimer@redhat.com>
58
59 * configure: Regenerate.
60
61 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
62
63 PR other/79543
64 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
65 scanning to conform to the GNU Coding Standards.
66 * configure: Regenerate.
67
68 2019-05-03 Jakub Jelinek <jakub@redhat.com>
69
70 * Makefile.am (finclude): Remove.
71 * Makefile.in: Regenerated.
72
73 2019-01-01 Jakub Jelinek <jakub@redhat.com>
74
75 Update copyright years.
76
77 2019-01-01 Jakub Jelinek <jakub@redhat.com>
78
79 * libitm.texi: Bump @copying's copyright year.
80
81 2018-12-16 Jakub Jelinek <jakub@redhat.com>
82
83 PR c++/88482
84 * eh_cpp.cc (__cxa_throw): Change DEST argument type from
85 void * to void (*) (void *).
86 (_ITM_cxa_throw): Likewise.
87 * libitm.h (_ITM_cxa_throw): Likewise.
88 * libitm.texi (_ITM_cxa_throw): Likewise.
89
90 2018-12-13 Peter Bergner <bergner@linux.ibm.com>
91
92 * config/powerpc/target.h (htm_available): Add support for
93 PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available.
94
95 2018-10-31 Joseph Myers <joseph@codesourcery.com>
96
97 PR bootstrap/82856
98 * Makefile.am: Include multilib.am.
99 (AUTOMAKE_OPTIONS): Add info-in-builddir.
100 (CLEANFILES): Remove libitm.info.
101 * configure.ac: Remove AC_PREREQ.
102 * testsuite/Makefile.am (RUNTEST): Remove quotes.
103 * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
104 Regenerate.
105
106 2018-10-30 Nicholas Krause <xerofoify@gmail.com>
107
108 PR libitm/86293
109 * method-serial.cc: Mark varible as potentially unused
110 to silence warning.
111
112 2018-08-03 Sergei Trofimovich <slyfox@gentoo.org>
113
114 * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
115 absolute relocation in a shared library.
116
117 2018-06-12 H.J. Lu <hongjiu.lu@intel.com>
118
119 PR libitm/85988
120 * config/linux/x86/tls.h (SEG_READ): Use the offset of
121 __private_tm as base.
122 (SEG_WRITE): Likewise.
123 (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
124 (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
125 (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
126 (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
127 (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
128
129 2018-05-17 Jason Merrill <jason@redhat.com>
130
131 * beginend.cc (save): Disable -Werror=deprecated-copy.
132
133 2018-05-02 Tom de Vries <tom@codesourcery.com>
134
135 PR testsuite/85106
136 * testsuite/lib/libitm.exp: Include scanltranstree.exp.
137
138 2018-05-02 Tom de Vries <tom@codesourcery.com>
139
140 PR testsuite/85106
141 * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
142
143 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
144
145 * config/x86/sjlj.S (_ITM_beginTransaction): Add
146 (__CET__ & 2) != 0 check for shadow stack.
147 (GTM_longjmp): Likewise.
148
149 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
150
151 * configure: Regenerated.
152
153 2018-04-23 H.J. Lu <hongjiu.lu@intel.com>
154
155 PR target/85489
156 * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
157
158 2018-04-19 Jakub Jelinek <jakub@redhat.com>
159
160 * configure: Regenerated.
161
162 2018-04-18 David Malcolm <dmalcolm@redhat.com>
163
164 PR jit/85384
165 * configure: Regenerate.
166
167 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
168
169 PR target/84148
170 * configure: Regenerate.
171
172 2018-01-03 Jakub Jelinek <jakub@redhat.com>
173
174 Update copyright years.
175
176 * libitm.texi: Bump @copying's copyright year.
177
178 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
179
180 * Makefile.in: Regenerate.
181 * acinclude.m4: Add enable.m4 and cet.m4.
182 * config/x86/sjlj.S: Include cet.h.
183 (_ITM_beginTransaction): Add _CET_ENDBR.
184 Save Shadow Stack pointer.
185 (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
186 * config/x86/target.h (struct gtm_jmpbuf):
187 Add new field for Shadow Stack pointer.
188 * configure: Regenerate.
189 * configure.ac: Set CET_FLAGS. Update XCFLAGS.
190 * configure.ac: Update libtool_VERSION for x86.
191 * testsuite/Makefile.in: Regenerate.
192
193 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
194
195 * libitm/config/x86/target.h: Add new field (ssp).
196 * libitm/config/x86/sjlj.S: Change offsets.
197
198 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
199
200 * testsuite/lib/libitm.exp: Load scanlang.exp.
201
202 2017-04-03 Jonathan Wakely <jwakely@redhat.com>
203
204 * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
205
206 2017-01-21 Jakub Jelinek <jakub@redhat.com>
207
208 PR other/79046
209 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
210 of cat to get version from BASE-VER file.
211 * testsuite/Makefile.in: Regenerated.
212
213 2017-01-19 Uros Bizjak <ubizjak@gmail.com>
214
215 * config/x86/target.h (htm_available): Determine vendor from
216 __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup.
217
218 2017-01-18 Torvald Riegel <triegel@redhat.com>
219
220 * config/x86/target.h (htm_available): Add check for some processors
221 on which TSX is broken.
222
223 2017-01-17 Jakub Jelinek <jakub@redhat.com>
224
225 PR other/79046
226 * configure.ac: Add GCC_BASE_VER.
227 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
228 get version from BASE-VER file.
229 * testsuite/Makefile.in: Regenerated.
230 * configure: Regenerated.
231 * Makefile.in: Regenerated.
232
233 2017-01-04 Alan Modra <amodra@gmail.com>
234
235 * Makefile.in: Regenerate.
236 * testsuite/Makefile.in: Regenerate.
237
238 2017-01-01 Jakub Jelinek <jakub@redhat.com>
239
240 Update copyright years.
241
242 * libitm.texi: Bump @copying's copyright year.
243
244 2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
245
246 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
247 * aclocal.m4: Regenerate.
248 * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
249 LIBITM_CHECK_LINKER_HWCAP.
250
251 2016-11-15 Matthias Klose <doko@ubuntu.com>
252
253 * configure: Regenerate.
254
255 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
256
257 PR libitm/70456
258 * util.cc (xmalloc): Use posix_memalign to allocate memory on
259 on cache line if requested.
260
261 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
262
263 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
264 function attribute to disable floating point in begin_transaction() on
265 S/390.
266 * beginend.cc (begin_transaction): Use
267 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
268
269 2016-01-22 Torvald Riegel <triegel@redhat.com>
270
271 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
272 boundary.
273 (htm_fastpath): Remove.
274 (gtm_thread::begin_transaction): Fix HTM fastpath.
275 (_ITM_commitTransaction): Adapt.
276 (_ITM_commitTransactionEH): Adapt.
277 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
278 and accessors.
279 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
280 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
281 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
282 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
283 * libitm/method-serial.cc (htm_mg): Adapt.
284 (gtm_thread::serialirr_mode): Adapt.
285 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
286
287 2016-01-21 Torvald Riegel <triegel@redhat.com>
288
289 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
290 or AIX.
291
292 2016-01-19 Richard Henderson <rth@redhat.com>
293
294 PR bootstrap/69343
295 PR bootstrap/69339
296 Revert:
297 2016-01-13 Richard Henderson <rth@redhat.com>
298
299 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
300 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
301 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
302 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
303 * configure.ac (ARCH_AARCH64): New conditional.
304 (ARCH_PPC, ARCH_S390): Likewise.
305 * Makefile.in, configure: Rebuild.
306
307 * libitm.h (_ITM_TYPE_M128): Always define.
308 * vect64.cc: Split ...
309 * vect128.cc: ... out of...
310 * config/x86/x86_sse.cc: ... here.
311 * config/arm/neon.cc: New file.
312
313 2016-01-19 Torvald Riegel <triegel@redhat.com>
314
315 * local_type_traits: Remove file.
316 * libitm_i.h: Don't include it anymore.
317 (sized_integral): Remove.
318
319 2016-01-16 Torvald Riegel <triegel@redhat.com>
320
321 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
322 safety.
323 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
324 * libitm/testsuite/libitm.c/priv-1.c: New.
325
326 2015-01-15 Torvald Riegel <triegel@redhat.com>
327
328 testsuite/libitm.c++/libstdc++-safeexc.C: New.
329
330 2016-01-13 Torvald Riegel <triegel@redhat.com>
331
332 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
333 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
334 (gtm_rwlock::write_unlock): Likewise.
335
336 2016-01-13 Richard Henderson <rth@redhat.com>
337
338 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
339 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
340 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
341 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
342 * configure.ac (ARCH_AARCH64): New conditional.
343 (ARCH_PPC, ARCH_S390): Likewise.
344 * Makefile.in, configure: Rebuild.
345
346 * libitm.h (_ITM_TYPE_M128): Always define.
347 * vect64.cc: Split ...
348 * vect128.cc: ... out of...
349 * config/x86/x86_sse.cc: ... here.
350 * config/arm/neon.cc: New file.
351
352 2016-01-13 Torvald Riegel <triegel@redhat.com>
353
354 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
355 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
356 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
357 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
358 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
359 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
360 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
361 (serialirr_dispatch::snapshot_most_recent): New.
362 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
363
364 2016-01-12 Torvald Riegel <triegel@redhat.com>
365
366 * libitm_i.h (gtm_mask_stack): Remove.
367 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
368 * stmlock.h: Remove file.
369 * config/alpha/cacheline.h: Likewise.
370 * config/generic/cacheline.h: Likewise.
371 * config/powerpc/cacheline.h: Likewise.
372 * config/sparc/cacheline.h: Likewise.
373 * config/x86/cacheline.h: Likewise.
374
375 2016-01-04 Jakub Jelinek <jakub@redhat.com>
376
377 Update copyright years.
378
379 * libitm.texi: Bump @copying's copyright year.
380
381 2015-11-26 Torvald Riegel <triegel@redhat.com>
382
383 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
384 (ml_wt_dispatch::pre_write): Adapt.
385 (ml_wt_dispatch::pre_load): Likewise.
386
387 2015-11-22 Torvald Riegel <triegel@redhat.com>
388
389 * libitm_i.h (gtm_alloc_action): Remove union.
390 * testsuite/libitm.c/alloc-1.c: New.
391
392 2015-11-19 Torvald Riegel <triegel@redhat.com>
393
394 * testsuite/libitm.c++/eh-5.C: New.
395 * libitm.h (_ITM_cxa_free_exception): New.
396 * libitm.map (_ITM_cxa_free_exception): Add it.
397 * libitm.texi: Update ABI docs.
398 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
399 (gtm_transaction_cp::cxa_uncaught_count): Add.
400 (gtm_thread::cxa_unthrown): Remove.
401 (gtm_thread::cxa_uncaught_count_ptr): Add.
402 (gtm_thread::cxa_uncaught_count): Add.
403 (gtm_thread::drop_references_allocations): Rename to...
404 (gtm_thread::discard_allocation): ... this and adapt.
405 (gtm_thread::init_cpp_exceptions): New.
406 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
407 (gtm_thread::begin_transaction): Likewise.
408 (gtm_transaction_cp::save): Likewise.
409 (gtm_thread::trycommit): Likewise.
410 * eh_cpp.cc: Add overview comments.
411 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
412 (free_any_exception, _ITM_cxa_free_exception): New.
413 (gtm_thread::init_cpp_exceptions): Define.
414 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
415 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
416 (gtm_thread::revert_cpp_exceptions): Likewise.
417
418 2015-11-09 Torvald Riegel <triegel@redhat.com>
419
420 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
421 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
422 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
423 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
424 (gtm_thread::forget_allocations): New overload with size_t argument.
425 * alloc.c (gtm_thread::forget_allocation): Define new overload and
426 adapt existing one.
427 (gtm_thread::record_allocation): Adapt.
428 (gtm_thread::commit_allocations_1): Adapt.
429 (gtm_thread::commit_allocations_2): Adapt.
430 * testsuite/libitm.c++/newdelete.C: New.
431
432 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
433 Joseph Myers <joseph@codesourcery.com>
434 Mark Shinwell <shinwell@codesourcery.com>
435 Andrew Stubbs <ams@codesourcery.com>
436 Rich Felker <dalias@libc.org>
437
438 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
439 GTM_begin_transaction for compatibility with FDPIC.
440
441 2015-10-09 David Malcolm <dmalcolm@redhat.com>
442
443 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
444 using load_gcc_lib.
445
446 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
447
448 PR libitm/61164
449 * local_atomic (__always_inline): Rename to...
450 (__libitm_always_inline): ... this.
451
452 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
453
454 PR target/52482
455 * config/powerpc/sjlj.S: Port to Xcode 2.5.
456
457 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
458
459 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
460 operands "op" and "val" to int.
461
462 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
463
464 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
465 "op" and "val" to int.
466
467 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
468
469 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
470 "op" and "val" to int.
471
472 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
473
474 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
475 Declare as static int.
476 (FUTEX_PRIVATE_FLAG): Remove L suffix.
477 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
478
479 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
480
481 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
482 sys_futex0 function.
483
484 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
485
486 * Makefile.in: Regenerated with automake-1.11.6.
487 * aclocal.m4: Likewise.
488 * configure: Likewise.
489 * testsuite/Makefile.in: Likewise.
490
491 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
492
493 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
494 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
495
496 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
497
498 PR libitm/64360
499 * libitm.c/stackundo.c (test2): Make it static.
500 (test1): Likewise.
501
502 2015-01-05 Jakub Jelinek <jakub@redhat.com>
503
504 Update copyright years.
505
506 2015-01-05 Jakub Jelinek <jakub@redhat.com>
507
508 * libitm.texi: Bump @copying's copyright year.
509
510 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
511
512 * testsuite/lib/libitm.exp: Load target-utils.exp.
513 Move load of target-supports.exp earlier.
514
515 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
516
517 * configure.tgt (x86_64): Tune -m32 multilib to generic.
518
519 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
520
521 PR bootstrap/63784
522 * configure: Regenerated.
523
524 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
525
526 PR target/63610
527 * configure: Regenerate.
528
529 2014-10-06 Marek Polacek <polacek@redhat.com>
530
531 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
532 * testsuite/libitm.c/memset-1.c: Likewise.
533
534 2014-07-24 Richard Henderson <rth@redhat.com>
535
536 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
537 addressing mode in epilogue.
538
539 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
540
541 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
542 -mclear-hwcap instead.
543 * configure: Regenerate.
544 * clearcap.map: Remove.
545
546 2014-05-21 John Marino <gnugcc@marino.st>
547
548 * configure.tgt (*-*-dragonfly*): New target.
549
550 2014-05-19 Richard Henderson <rth@redhat.com>
551
552 * config/aarch64/sjlj.S: New file.
553 * config/aarch64/target.h: New file.
554 * configure.tgt: Enable aarch64.
555
556 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
557
558 * config/generic/asmcfi.h: Also check for
559 __GCC_HAVE_DWARF2_CFI_ASM.
560
561 2013-04-02 Richard Henderson <rth@redhat.com>
562
563 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
564 * config/arm/target.h, config/sh/target.h: Likewise.
565 * config/sparc/target.h, config/x86/target.h: Likewise.
566
567 2014-03-26 Jakub Jelinek <jakub@redhat.com>
568
569 * config/linux/futex_bits.h: Include errno.h.
570 (sys_futex0): If syscall returns -1, return -errno rather than
571 -1.
572
573 2014-03-26 Joseph Myers <joseph@codesourcery.com>
574
575 * libitm.texi (Index): Rename to Library Index.
576
577 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
578
579 PR libitm/53113
580 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
581 (x86_avx.lo): Append -mavx to CXXFLAGS.
582 * Makefile.in: Regenerate.
583
584 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
585
586 Update copyright years
587
588 2014-01-02 Tobias Burnus <burnus@net-b.de>
589
590 * libitm.texi: Bump @copying's copyright year.
591
592 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
593
594 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
595 (FUNC): Define ELFv2 variant.
596 (END): Likewise.
597 (HIDDEN): Likewise.
598 (CALL): Likewise.
599 (BASE): Likewise.
600 (LR_SAVE): Likewise.
601
602 2013-09-20 Alan Modra <amodra@gmail.com>
603
604 * configure: Regenerate.
605
606 2013-08-30 Torvald Riegel <triegel@redhat.com>
607
608 * config/posix/rwlock.cc: Fix initialization order.
609
610 2013-08-30 Torvald Riegel <triegel@redhat.com>
611
612 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
613 (htm_fastpath): Assign an asm name.
614 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
615 HTM fast paths.
616 (_ITM_actions): Likewise.
617 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
618 x86_64.
619 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
620 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
621 field to the start of the structure.
622 * config/linux/rwlock.h (gtm_rwlock): Update comments.
623 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
624 handling for custom HTM fast paths.
625
626 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
627 Revert:
628 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
629
630 * configure.tgt: Add -msoft-float to XCFLAGS.
631
632 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
633
634 * configure.tgt: Add -msoft-float to XCFLAGS.
635
636 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
637
638 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
639 (htm_transaction_active): Enable zEC12 instructions in the
640 assembler.
641 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
642
643 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
644
645 * acinclude.m4: Add htm asm check for s390.
646 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
647 * configure: Regenerate.
648 * config/s390/target.h: Remove __HTM__ check.
649 (htm_available): Call getauxval to get hwcaps and check whether
650 HTM is available or not.
651
652 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
653
654 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
655 * configure.ac: Use it.
656 (AC_CHECK_HEADERS): Check for sys/auxv.h.
657 (AC_CHECK_FUNCS): Check for getauxval.
658 * config.h.in, configure: Rebuild.
659 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
660 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
661 (USE_HTM_FASTPATH): Define.
662 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
663 _HTM_RETRIES) New macros.
664 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
665 htm_begin_success, htm_commit, htm_transaction_active): New functions.
666
667 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
668
669 * config/s390/target.h: Include htmintrin.h.
670 (_HTM_ITM_RETRIES): New macro definition.
671 (htm_available, htm_init, htm_begin, htm_begin_success)
672 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
673
674 2013-06-20 Iain Sandoe <iain@codesourcery.com>
675 Cesar Philippidis <cesar@codesourcery.com>
676
677 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
678 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
679 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
680 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
681
682 2013-06-20 Torvald Riegel <triegel@redhat.com>
683
684 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
685 (_ITM_getTransactionId): Same.
686 * config/x86/target.h (htm_transaction_active): New.
687
688 2013-06-20 Torvald Riegel <triegel@redhat.com>
689
690 PR libitm/57643
691 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
692 the HTM fastpath.
693
694 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
695
696 PR bootstrap/56714
697 * local_atomic (__always_inline): Always define our version.
698 (__calculate_memory_order): Mark inline.
699 (atomic_thread_fence): Ditto.
700 (atomic_signal_fence): Ditto.
701 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
702 (atomic_bool::atomic_flag_clear_explicit): Ditto.
703 (atomic_bool::atomic_flag_test_and_set): Ditto.
704 (atomic_bool::atomic_flag_clear): Ditto.
705
706 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
707
708 * config/s390/sjlj.S: New file.
709 * config/s390/target.h: New file.
710 * configure.tgt: Set options for S/390.
711
712 2013-03-23 Andi Kleen <ak@linux.intel.com>
713
714 * local_atomic (__always_inline): Add.
715 (__calculate_memory_order, atomic_thread_fence,
716 atomic_signal_fence, test_and_set, clear, store, load,
717 exchange, compare_exchange_weak, compare_exchange_strong,
718 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
719 Add __always_inline to force inlining.
720
721 2013-02-11 Iain Sandoe <iain@codesourcery.com>
722 Jack Howarth <howarth@bromo.med.uc.edu>
723 Patrick Marlier <patrick.marlier@gmail.com>
724
725 PR libitm/55693
726 * alloc_cpp.cc: Enable function declarations on darwin.
727 * eh_cpp.cc: Likewise.
728
729 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
730
731 Update copyright years.
732
733 2012-11-09 Torvald Riegel <triegel@redhat.com>
734
735 * beginend.cc (htm_fastpath): New.
736 (gtm_thread::begin_transaction, _ITM_commitTransaction,
737 _ITM_commitTransactionEH): Add HTM fastpath handling.
738 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
739 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
740 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
741 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
742 * configure.tgt: Add -mrtm to XCFLAGS.
743 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
744 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
745 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
746 * retry.cc (parse_default_method): Add HTM method parsing.
747 (gtm_thread::number_of_threads_changed): Use HTM by default if
748 available.
749
750 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
751
752 * configure: Regenerate.
753
754 2012-10-31 Richard Henderson <rth@redhat.com>
755
756 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
757 * configure.ac: Use it.
758 * config.h.in, configure: Rebuild.
759 * testsuite/Makefile.in: Rebuild.
760
761 2012-10-24 Torvald Riegel <triegel@redhat.com>
762
763 * libitm.texi: Clarify ABI requirements for data-logging functions.
764
765 2012-10-24 Torvald Riegel <triegel@redhat.com>
766
767 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
768 it requires serial mode instead of assuming that for certain
769 dispatchs.
770 * dispatch.h (abi_dispatch::requires_serial): New.
771 (abi_dispatch::abi_dispatch): Adapt.
772 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
773 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
774 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
775 serial_dispatch::serial_dispatch,
776 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
777
778 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
779
780 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
781 and ia32 declarations some more.
782 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
783
784 2012-09-20 Jakub Jelinek <jakub@redhat.com>
785
786 PR other/43620
787 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
788 * configure: Regenerate.
789 * Makefile.in: Regenerate.
790
791 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
792
793 * configure: Regenerated.
794
795 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
796
797 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
798
799 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
800
801 * eh_cpp.cc: Fix __cxa_end_catch declaration.
802
803 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
804
805 * configure: Regenerated.
806
807 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
808
809 PR libitm/52854
810 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
811 for x86-64.
812
813 2012-04-03 Tristan Gingold <gingold@adacore.com>
814
815 * configure: Regenerate.
816
817 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
818
819 PR bootstrap/52812
820 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
821
822 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
823
824 * testsuite/lib/libitm.exp: load fortran-modules.exp
825
826 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
827
828 * configure.tgt (*-*-irix6*): Remove.
829
830 2012-03-13 Torvald Riegel <triegel@redhat.com>
831
832 PR libitm/52526
833 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
834 wake-up.
835
836 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
837
838 * configure.tgt (*-*-osf*): Remove.
839 * configure: Regenerate.
840
841 2012-03-05 Torvald Riegel <triegel@redhat.com>
842
843 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
844 memtransfer/memset if size isn't larger than zero.
845
846 2012-03-02 Torvald Riegel <triegel@redhat.com>
847
848 * libitm.texi: Link to specification and add a usage example.
849
850 2012-02-24 Torvald Riegel <triegel@redhat.com>
851
852 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
853 default dispatch for more than 1 thread to ml_wt.
854
855 2012-02-20 Torvald Riegel <triegel@redhat.com>
856
857 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
858
859 2012-02-20 Torvald Riegel <triegel@redhat.com>
860
861 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
862
863 2012-02-20 Torvald Riegel <triegel@redhat.com>
864
865 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
866 serial mode corner cases made obsolete by prior gtm_rwlock changes.
867 (gl_wt_dispatch.rollback): Same.
868
869 2012-02-20 Torvald Riegel <triegel@redhat.com>
870
871 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
872
873 2012-02-20 Torvald Riegel <triegel@redhat.com>
874
875 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
876 for RfW src. Optimize number of calls to gtm_thr.
877
878 2012-02-20 Torvald Riegel <triegel@redhat.com>
879
880 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
881 acquisition to ...
882 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
883 (default_dispatch): Make atomic.
884 (GTM::gtm_thread::set_default_dispatch): Access atomically.
885 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
886 use decide_begin_dispatch() if default_dispatch might have changed.
887 (GTM::gtm_thread::number_of_threads_changed): Initialize
888 default_dispatch here.
889
890 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
891 Patrick Marlier <patrick.marlier@gmail.com>
892
893 PR libitm/52220
894 * alloc_cpp.cc: No dummy definitions for darwin.
895 * eh_cpp.cc: Likewise.
896
897 2012-02-14 Richard Henderson <rth@redhat.com>
898
899 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
900
901 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
902
903 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
904
905 2012-02-14 Torvald Riegel <triegel@redhat.com>
906
907 * libitm_i.h (GTM::gtm_rwlog_entry): New.
908 (GTM::gtm_thread): Add read and write logs.
909 (GTM::dispatch_ml_wt): Declare.
910 * retry.cc (parse_default_method): Support ml_wt.
911 * method-ml.cc: New file.
912 * Makefile.am: Add method-ml.cc.
913 * Makefile.in: Regenerate.
914
915 2012-02-14 Torvald Riegel <triegel@redhat.com>
916
917 * dispatch.h (GTM::abi_dispatch::supports): New.
918 (GTM::method_group::reinit): New.
919 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
920 (GTM::gtm_thread::number_of_threads_changed): Check that the method
921 supports the current situation.
922
923 2012-02-14 Torvald Riegel <triegel@redhat.com>
924
925 * util.cc (GTM::xcalloc): New.
926 * common.h (GTM::xcalloc): Declare.
927
928 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
929
930 * config/sparc/target.h (cpu_relax): Read from CC register.
931 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
932
933 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
934
935 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
936
937 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
938
939 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
940 * config/sparc/cacheline.h: New file.
941 * config/sparc/target.h: Likewise.
942 * config/sparc/sjlj.S: Likewise.
943 * config/linux/sparc/futex_bits.h: Likewise.
944
945 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
946
947 * configure.ac (link_itm): Fix comment.
948 * configure: Regenerate.
949 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
950
951 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
952
953 PR libitm/51822
954 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
955 Correct libgomp references.
956
957 2012-01-24 Torvald Riegel <triegel@redhat.com>
958
959 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
960 wake-up.
961
962 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
963
964 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
965 end of structure.
966 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
967 offset values. Do not copy return address. Decrement stack
968 by 56 bytes only.
969 (GTM_longjump) [__x86_64__]: Update offset values.
970
971 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
972
973 PR libitm/51830
974 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
975 the first function argument to %eax.
976
977 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
978
979 * libitm.h (_ITM_getThreadnum): Remove.
980 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
981
982 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
983
984 * clearcap.map: New file.
985 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
986 * configure.ac: Call it.
987 Clear HWCAP_LDFLAGS if defaulting to -mavx.
988 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
989 * configure: Regenerate.
990 * Makefile.in: Regenerate.
991 * testsuite/Makefile.in: Regenerate.
992
993 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
994
995 PR libitm/51173
996 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
997 include, exclude options.
998
999 2012-01-14 Torvald Riegel <triegel@redhat.com>
1000
1001 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1002 rolling back.
1003 * containers.h (GTM::vector::set_size): New.
1004
1005 2012-01-14 Torvald Riegel <triegel@redhat.com>
1006
1007 PR libitm/51855
1008 * config/generic/tls.h (GTM::mask_stack_top): New.
1009 (GTM::mask_stack_bottom): Declare.
1010 * config/generic/tls.c (GTM::mask_stack_bottom): New.
1011 * local.cc (gtm_undolog::rollback): Filter out any updates that
1012 overlap the libitm stack. Add current transaction as parameter.
1013 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1014 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1015 * testsuite/libitm.c/stackundo.c: New test.
1016
1017 2012-01-10 Richard Henderson <rth@redhat.com>
1018
1019 * libitm_i.h (_Unwind_DeleteException): Declare weak.
1020 * eh_cpp.cc (_Unwind_DeleteException): Define for
1021 !HAVE_ELF_STYLE_WEAKREF.
1022
1023 2012-01-08 Torvald Riegel <triegel@redhat.com>
1024
1025 * local.cc (GTM_LB): Use GTM::gtm_undolog.
1026 (GTM::gtm_thread::drop_references_undolog): Remove.
1027 (GTM::gtm_thread::commit_undolog,
1028 GTM::gtm_thread::rollback_undolog): Move to ...
1029 * libitm_i.h (GTM::gtm_undolog): ...here. New.
1030 (GTM::gtm_undolog_entry): Remove.
1031 (GTM::gtm_thread): Adapt.
1032 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1033 (GTM::gtm_thread::trycommit): Adapt.
1034 * method-serial.cc (serial_dispatch::log): Adapt.
1035 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1036 (gl_wt_dispatch::store): Fix likely/unlikely.
1037 * containers.h (GTM::vector::resize): Add additional_capacity
1038 parameter and handle it.
1039 (GTM::vector::resize_noinline): New/adapt.
1040 (GTM::vector::push): New.
1041
1042 2012-01-06 Richard Henderson <rth@redhat.com>
1043
1044 * configure.tgt: Support powerpc-linux and powerpc-darwin.
1045 * config/linux/powerpc/futex_bits.h: New file.
1046 * config/powerpc/cacheline.h: New file.
1047 * config/powerpc/sjlj.S: New file.
1048 * config/powerpc/target.h: New file.
1049 * config/generic/asmcfi.h (cfi_offset): New.
1050 (cfi_restore, cfi_undefined): New.
1051
1052 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
1053
1054 PR other/51171
1055 * testsuite/libitm.c/reentrant.c: Remove xfail.
1056 (thread): Pass x to pure().
1057 From Patrik Marlier <patrick.marlier@gmail.com>.
1058
1059 2011-12-24 Torvald Riegel <triegel@redhat.com>
1060
1061 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1062 privatization safety if already in serial mode.
1063
1064 2011-12-24 Torvald Riegel <triegel@redhat.com>
1065
1066 * beginend.cc (GTM::gtm_thread::restart): Add and handle
1067 finish_serial_upgrade parameter.
1068 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1069 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1070 Don't unset reader flag.
1071 (GTM::gtm_rwlock::write_upgrade_finish): New.
1072 * config/posix/rwlock.cc: Same.
1073 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1074 Declare.
1075 * config/posix/rwlock.h: Same.
1076 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1077 flag after commit or after rollback when restarting.
1078
1079 2011-12-24 Torvald Riegel <triegel@redhat.com>
1080
1081 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1082 (GTM::gtm_thread::try_commit): Changed memory order.
1083 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1084 as parameter.
1085 * config/linux/x86/futex_bits.h (sys_futex0): Same.
1086 * config/linux/sh/futex_bits.h (sys_futex0): Same.
1087 * config/linux/futex_bits.h (sys_futex0): Same.
1088 * config/linux/futex.cc (futex_wait, futex_wake): Same.
1089 * config/linux/futex.h (futex_wait, futex_wake): Same.
1090 * config/linux/rwlock.h (gtm_rwlock::writers,
1091 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1092 ints.
1093 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1094 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1095 gtm_rwlock::write_unlock): Fix memory orders and fences.
1096 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1097 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1098 gtm_rwlock::write_unlock): Same.
1099 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1100 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1101 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1102 Add comments.
1103 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1104 gl_wt_dispatch::load, gl_wt_dispatch::store,
1105 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1106 orders and fences. Add comments.
1107
1108 2011-12-21 Jakub Jelinek <jakub@redhat.com>
1109
1110 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1111 * Makefile.in: Regenerated.
1112
1113 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
1114
1115 * configure.tgt: Add sh* case.
1116 * config/sh/target.h: New file.
1117 * config/sh/sjlj.S: New file.
1118 * config/linux/sh/futex_bits.h: New file.
1119
1120 2011-12-14 Richard Henderson <rth@redhat.com>
1121
1122 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1123 * config/arm/sjlj.S, config/arm/target.h: New files.
1124 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1125 (cfi_rel_offset): New.
1126 * config/linux/futex_bits.h: New file.
1127 * config/linux/futex.cc: Include futex_bits.h here...
1128 * config/linux/futex.h: ... not here.
1129 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1130 * configure.ac (ARCH_AM): New conditional.
1131 * Makefile.in, configure: Rebuild.
1132 * configure.tgt: Handle ARM.
1133
1134 2011-12-13 Richard Henderson <rth@redhat.com>
1135
1136 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1137 signed/unsigned comparison werror.
1138
1139 * local_atomic: New file.
1140 * libitm_i.h: Include it.
1141 (gtm_thread::shared_state): Use atomic template.
1142 * beginend.cc (GTM::gtm_clock): Use atomic template.
1143 (global_tid): Use atomic template if 64-bit atomics available.
1144 (gtm_thread::gtm_thread): Update shared_state access.
1145 (gtm_thread::trycommit): Likewise.
1146 (choose_code_path): Update global_tid access.
1147 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
1148 * stmlock.h (GTM::gtm_clock): Use atomic template.
1149 (gtm_get_clock, gtm_inc_clock): Update accesses.
1150 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1151 redundant __sync_synchronize after atomic shared_state access.
1152 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1153 (gtm_rwlock::write_lock_generic): Likewise.
1154 (gtm_rwlock::read_unlock): Likewise.
1155 * config/alpha/target.h (atomic_read_barrier): Remove.
1156 (atomic_write_barrier): Remove.
1157 * config/x86/target.h (atomic_read_barrier): Remove.
1158 (atomic_write_barrier): Remove.
1159
1160 2011-11-30 Richard Henderson <rth@redhat.com>
1161
1162 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1163 * beginend.c (_ITM_abortTransaction): Update to match.
1164 (GTM::gtm_thread::restart): Likewise.
1165 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1166 * config/x86/sjlj.S (GTM_longjmp): Likewise.
1167
1168 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
1169
1170 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1171 * Makefile.in: Regenerate.
1172
1173 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1174
1175 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1176 * alloc_cpp.cc: Generate dummy functions if we don't
1177 HAVE_ELF_STYLE_WEAKREF.
1178 * eh_cpp.cc: Likewise.
1179 * configure: Regenerate.
1180 * aclocal.m4: Likewise.
1181 * config.h.in: Likewise.
1182 * Makefile.in: Likewise.
1183 * testsuite/Makefile.in: Likewise.
1184
1185 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1186
1187 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1188 __USER_LABEL_PREFIX__ for targets that use it.
1189 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1190 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1191 in portability to non-elf targets.
1192 (GTM_longjmp): Likewise.
1193 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1194 where required.
1195
1196 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1197
1198 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1199 * testsuite/libitm.c/memset-1.c: Likewise.
1200
1201 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
1202
1203 * configure: Regenerate.
1204
1205 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1206
1207 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1208 (LIBITM_ENABLE_SYMVERS): Handle sun style.
1209 * Makefile.am: Handle sun style versioning.
1210 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1211 * configure: Regenerate.
1212 * Makefile.in: Regenerate.
1213
1214 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1215
1216 * config/generic/asmcfi.h: Fix comment.
1217 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1218 sequence without .hidden support, error for non-ELF targets.
1219 (GTM_longjmp) [__ELF__]: Only use .hidden if
1220 HAVE_ATTRIBUTE_VISIBILITY.
1221
1222 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1223
1224 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1225 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1226 Dummy functions.
1227 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1228 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1229
1230 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
1231
1232 PR bootstrap/51098
1233 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1234 * configure: Regenerate.
1235
1236 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
1237
1238 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1239
1240 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1241
1242 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1243 .hidden.
1244 (.note.GNU-stack): Only use if __linux__.
1245 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1246 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1247 * testsuite/libitm.c/reentrant.c: Likewise.
1248 * testsuite/libitm.c/simple-2.c: Likewise.
1249 * testsuite/libitm.c/txrelease.c: Likewise.
1250 * testsuite/libitm.c++/static_ctor.C: Likewise.
1251
1252 2011-11-10 Richard Henderson <rth@redhat.com>
1253
1254 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
1255 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1256 * configure.ac (ARCH_X86_AVX): New conditional.
1257 * Makefile.in, configure: Rebuild.
1258
1259 2011-11-09 Richard Henderson <rth@redhat.com>
1260
1261 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1262 * configure.ac: Use it.
1263 * config.h.in, configure: Rebuild.
1264 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1265
1266 2011-11-09 Richard Henderson <rth@redhat.com>
1267
1268 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1269 * config/alpha/unaligned.h: Remove file.
1270 * config/generic/unaligned.h: Remove file.
1271 * config/x86/unaligned.h: Remove file.
1272 * config/generic/cachepage.h: Remove file.
1273 * config/posix/cachepage.cc: Remove file.
1274 * config/generic/cacheline.cc: Remove file.
1275 * config/x86/cacheline.cc: Remove file.
1276 * config/generic/cacheline.h (gtm_cacheline): Remove the
1277 store_mask, copy_mask, copy_mask_wb methods.
1278 * config/x86/cacheline.h: Likewise.
1279 * config/alpha/cacheline.h: Fall back to generic after setting size.
1280 * config/generic/tls.cc (gtm_mask_stack): Remove.
1281 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1282 (GTM_vpalignr_table): Remove.
1283 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1284 (GTM_pshift_table): Remove.
1285 * config/libitm_i.h: Don't include cachepage.h.
1286 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1287 * Makefile.in, testsuite/Makefile.in: Rebuild.
1288
1289 2011-11-09 Richard Henderson <rth@redhat.com>
1290
1291 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1292 to emit branch prediction hint.
1293
1294 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1295 Protect .note.GNU-stack with __linux__.
1296
1297 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1298 * configure, aclocal.m4, config.h.in: Rebuild.
1299 * config/generic/asmcfi.h: New file.
1300 * config/x86/sjlj.S: Use it.
1301
1302 2011-11-08 Richard Henderson <rth@redhat.com>
1303
1304 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1305
1306 2011-11-08 Richard Henderson <rth@redhat.com>
1307
1308 * configure.tgt: Test correct directory for supported cpus.
1309
1310 * configure.ac: Exit if unsupported.
1311 * configure: Rebuild.
1312 * configure.tgt: Delete boilerplate from libgomp for unsupported
1313 targets. Set UNSUPPORTED for unsupported targets.
1314
1315 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1316
1317 * configure.tgt: Handle i386 like i[456]86.
1318 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1319 take address.
1320 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1321 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1322
1323 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
1324
1325 * method-wbetl.cc: Update copyright notice.
1326 * aatree.cc: Same.
1327 * util.cc: Same.
1328 * libitm.h: Same.
1329 * memset.cc: Same.
1330 * eh_cpp.cc: Same.
1331 * barrier.tpl: Same.
1332 * useraction.cc: Same.
1333 * stmlock.h: Same.
1334 * memcpy.cc: Same.
1335 * common.h: Same.
1336 * config/generic/tls.cc: Same.
1337 * config/generic/cacheline.h: Same.
1338 * config/generic/cachepage.h: Same.
1339 * config/generic/cacheline.cc: Same.
1340 * config/generic/unaligned.h: Same.
1341 * config/x86/cacheline.h: Same.
1342 * config/x86/cacheline.cc: Same.
1343 * config/x86/unaligned.h: Same.
1344 * config/alpha/cacheline.h: Same.
1345 * config/alpha/unaligned.h: Same.
1346 * config/alpha/sjlj.S: Same.
1347 * config/posix/cachepage.cc: Same.
1348 * config/linux/futex.h: Same.
1349 * config/linux/alpha/futex_bits.h: Same.
1350
1351 2011-11-04 Torvald Riegel <triegel@redhat.com>
1352
1353 * libitm.texi: No cover text and invariant sections.
1354
1355 2011-11-03 Richard Henderson <rth@redhat.com>
1356
1357 * local_type_traits: New file.
1358 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1359
1360 2011-11-03 Richard Henderson <rth@redhat.com>
1361
1362 * configure.ac: Don't test for gfortran.
1363 * configure: Rebuild.
1364
1365 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1366 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1367
1368 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1369
1370 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1371 * testsuite/libitm.c/memset-1.c: Same.
1372 * testsuite/libitm.c/c.exp: Same.
1373 * testsuite/lib/libitm-dg.exp: Same.
1374 * testsuite/lib/libitm.exp: Same.
1375 * testsuite/libitm.c++/c++.exp: Same.
1376
1377 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1378
1379 * testsuite/config/default.exp: Update copyright date.
1380 * configure.ac: Add copyright info.
1381 * configure.tgt: Same.
1382
1383 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1384
1385 * testsuite/libitm.c/reentrant.c: XFAIL.
1386 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1387
1388 2011-10-29 Torvald Riegel <triegel@redhat.com>
1389
1390 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1391 handle aborts.
1392 (_ITM_abortTransaction): Handle aborts of outer transactions.
1393 * libitm_i.h: Same.
1394 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1395 * libitm.texi: Document aborts of outer transactions.
1396 * testsuite/libitm.c/cancel.c: New file.
1397
1398 2011-10-19 Torvald Riegel <triegel@redhat.com>
1399
1400 * testsuite/*: Change __transaction to __transaction_atomic or
1401 __transaction_relaxed.
1402
1403 2011-10-19 Torvald Riegel <triegel@redhat.com>
1404
1405 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1406 (gtm_thr): Same.
1407
1408 2011-10-19 Torvald Riegel <triegel@redhat.com>
1409
1410 * libitm_i.h: Add gl_wt dispatch.
1411 * retry.cc (parse_default_method): Same.
1412 * method-gl.cc: New file.
1413 * Makefile.am: Use method-gl.cc.
1414 * Makefile.in: Rebuild.
1415
1416 2011-10-19 Torvald Riegel <triegel@redhat.com>
1417
1418 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1419 safety if requested by a TM method.
1420 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1421 privatization safety.
1422 * method-serial.cc: Same.
1423
1424 2011-10-19 Torvald Riegel <triegel@redhat.com>
1425
1426 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1427 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1428 undolog-related member functions from *_local to *_undolog.
1429 * local.cc (gtm_thread::commit_undolog): Same.
1430 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1431 (GTM::gtm_thread::rollback): Roll back undolog before
1432 dispatch-specific rollback.
1433
1434 2011-10-19 Torvald Riegel <triegel@redhat.com>
1435
1436 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1437 re-initialization of the current method group.
1438 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1439
1440 2011-10-19 Torvald Riegel <triegel@redhat.com>
1441
1442 * alloc.cc (commit_allocations_2): Do not free transaction-local
1443 memory when committing a nested transaction.
1444
1445 2011-10-19 Torvald Riegel <triegel@redhat.com>
1446
1447 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1448 serial-irrevocable dispatch, not serial.
1449
1450 2011-10-19 Torvald Riegel <triegel@redhat.com>
1451
1452 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1453 declarations.
1454 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1455 * method-serial.cc: Implement begin_or_restart().
1456 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1457 dispatch-specific begin_or_restart().
1458 (GTM::gtm_thread::restart): Same.
1459
1460 2011-08-23 Torvald Riegel <triegel@redhat.com>
1461
1462 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1463 restarting without switching to serial mode.
1464 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1465 transaction state. Choose closed-nesting alternative if available.
1466 (GTM::gtm_thread::set_default_dispatch): New.
1467 (parse_default_method): New.
1468 (GTM::gtm_thread::number_of_threads_changed): New.
1469 * method-serial.cc (GTM::serial_mg): New method group class.
1470 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1471 fini.
1472 (GTM::serial_dispatch): Same.
1473 (GTM::serialirr_onwrite_dispatch): Same.
1474 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1475 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1476 registered threads.
1477 (GTM::gtm_thread::gtm_thread): Same.
1478 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1479 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1480 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1481 choose dispatch but set state according to dispatch here.
1482 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1483 (GTM::method_group): New class.
1484 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1485 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1486 * libitm.texi: Document TM methods, method groups, method life cycle.
1487 Rename method sets to method groups.
1488
1489 2011-08-23 Torvald Riegel <triegel@redhat.com>
1490
1491 * config/x86/tls.h: Moved to ...
1492 * config/linux/x86/tls.h: ... here.
1493
1494 2011-08-23 Torvald Riegel <triegel@redhat.com>
1495
1496 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1497 Add X32 support.
1498 * config/x86/sjlj.S: Same.
1499
1500 2011-08-19 Torvald Riegel <triegel@redhat.com>
1501
1502 * config/linux/rwlock.h: New file.
1503 * config/linux/rwlock.c: New file.
1504 * configure.ac: Reenable futex support (undo SVN rev 157758).
1505 * Makefile.am: Same.
1506 * configure.tgt: Same.
1507 * config/linux/alpha/futex_bits.h: Same.
1508 * config/linux/futex.h: Same. Return number of woken processes.
1509 * config/linux/futex.cc: Same.
1510 (futex_wait): Remove spinning.
1511 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1512 Use __x86_64__ instead of __LP64__.
1513 * aclocal.m4: Include generic futex checks.
1514 * configure: Rebuild.
1515 * Makefile.in: Rebuild.
1516 * testsuite/Makefile.in: Rebuild.
1517 * beginend.cc: Include pthread.h.
1518 * config/posix/cachepage.cc: Same.
1519
1520 2011-08-12 Torvald Riegel <triegel@redhat.com>
1521
1522 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1523 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1524 (set_gtm_thr): New.
1525 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1526 (set_gtm_thr): New.
1527 (GTM::gtm_thread::thread_num): Removed.
1528 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1529 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1530 tx-to-thread renaming.
1531 * beginend.cc: Adapted to tx-to-thread renaming.
1532 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1533 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1534 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1535 gtm_transaction to gtm_thread.
1536 (_ITM_getThreadnum): Removed. Not supported anymore.
1537 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1538 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1539 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1540 gtm_tx-to-gtm_thr renaming if necessary.
1541 * eh_cpp.cc: Same.
1542 * local.cc: Same.
1543 * retry.cc: Same.
1544 * clone.cc: Same.
1545 * alloc.cc: Same.
1546 * alloc_c.cc: Same.
1547 * alloc_cpp.cc: Same.
1548 * method-serial.cc: Same.
1549 * config/generic/tls.cc: Same.
1550 * config/posix/rwlock.h (gtm_rwlock): Same.
1551 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1552
1553 2011-08-12 Torvald Riegel <triegel@redhat.com>
1554
1555 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1556 implementation.
1557 (gtm_rwlock::read_unlock): Same.
1558 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1559 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1560 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1561 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1562 w_upgrade. Replaced by per-transaction flags (in shared_state).
1563 Added c_confirmed_writers.
1564 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1565 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1566 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1567 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1568 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1569 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1570 * libitm.texi: Document locking conventions and implementations in
1571 libitm.
1572
1573 2011-08-12 Torvald Riegel <triegel@redhat.com>
1574
1575 * libitm_i.h (next_tx): Add list of all threads' transaction.
1576 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1577 transaction with list of transactions and ...
1578 (thread_exit_handler): ... deregister here.
1579 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1580 * config/x86/target.h: Same.
1581
1582 2011-08-12 Torvald Riegel <triegel@redhat.com>
1583
1584 * testsuite/libitm.c++/static_ctor.C: New file.
1585
1586 2011-08-12 Torvald Riegel <triegel@redhat.com>
1587
1588 * testsuite/libitm.c/reentrant.c: New file.
1589
1590 2011-08-12 Torvald Riegel <triegel@redhat.com>
1591
1592 * config/generic/tls.h: Remove the free list for transactions and ...
1593 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1594 (GTM::gtm_transaction::operator delete): ... and release here.
1595 (thread_exit_handler): New. Delete tx when thread terminates.
1596 (thread_exit_init): New.
1597 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1598 * testsuite/libitm.c/txrelease.c: New file.
1599
1600 2011-08-12 Torvald Riegel <triegel@redhat.com>
1601
1602 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1603 * testsuite/libitm.c/notx.c: New file.
1604
1605 2011-08-12 Torvald Riegel <triegel@redhat.com>
1606
1607 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1608 * libitm_i.h (local_tid): ... to here.
1609 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1610 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1611
1612 2011-08-12 Torvald Riegel <triegel@redhat.com>
1613
1614 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1615 serialirr_onwrite_dispatch as new default for now.
1616 * method-serial.cc (serialirr_onwrite_dispatch): New.
1617 (GTM::dispatch_serialirr_onwrite): New.
1618 * libitm_i.h: Same.
1619
1620 2011-08-12 Torvald Riegel <triegel@redhat.com>
1621
1622 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1623 * query.cc (_ITM_getTransactionId): There is no active transaction if
1624 the current nesting level is zero.
1625
1626 2011-07-28 Torvald Riegel <triegel@redhat.com>
1627
1628 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1629 rollback.
1630
1631 2011-07-28 Torvald Riegel <triegel@redhat.com>
1632
1633 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1634 transaction properties from the caller instead of from the
1635 transaction object.
1636 * libitm_i.h: Same.
1637 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1638
1639 2011-07-28 Torvald Riegel <triegel@redhat.com>
1640
1641 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1642 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1643 * dispatch.h: Same.
1644 * method-serial.cc: Same.
1645 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1646 flat nesting as default, and closed nesting on demand.
1647 (GTM::gtm_transaction::rollback): Same.
1648 (_ITM_abortTransaction): Same.
1649 (GTM::gtm_transaction::restart): Same.
1650 (GTM::gtm_transaction::trycommit): Same.
1651 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1652 (choose_code_path): New.
1653 (GTM::gtm_transaction_cp::save): New.
1654 (GTM::gtm_transaction_cp::commit): New.
1655 * query.cc (_ITM_inTransaction): Support flat nesting.
1656 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1657 (GTM::gtm_transaction): Support flat and closed nesting.
1658 * alloc.cc (commit_allocations_2): New.
1659 (commit_cb_data): New helper struct.
1660 (GTM::gtm_transaction::commit_allocations): Handle nested
1661 commits/rollbacks.
1662 * libitm.texi: Update user action section, add description of nesting.
1663
1664 2011-07-28 Torvald Riegel <triegel@redhat.com>
1665
1666 * libitm_i.h: Add closed nesting as restart reason.
1667 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1668
1669 2011-07-28 Torvald Riegel <triegel@redhat.com>
1670
1671 * useraction.cc: Use vector instead of list to store actions.
1672 Also support partial rollbacks for closed nesting.
1673 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1674 * beginend.cc: Same.
1675
1676 2011-07-28 Torvald Riegel <triegel@redhat.com>
1677
1678 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1679 closed_nesting flags, as well as a closed nesting alternative.
1680 * method-serial.cc: Same.
1681 (serial_dispatch): Renamed to serialirr_dispatch.
1682 (GTM::dispatch_serialirr): Same.
1683 (serial_dispatch_ul): Renamed to serial_dispatch.
1684 (GTM::dispatch_serial): Same.
1685
1686 2011-07-28 Torvald Riegel <triegel@redhat.com>
1687
1688 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1689
1690 2011-07-28 Torvald Riegel <triegel@redhat.com>
1691
1692 * aatree.h (aa_tree::remove): New.
1693 (aa_tree::operator new): Add placement new.
1694
1695 2011-07-02 Torvald Riegel <triegel@redhat.com>
1696
1697 * containers.h: New file.
1698 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1699 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1700 * common.h: ... to here.
1701 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1702 * local.cc: Same.
1703
1704 2011-06-30 Torvald Riegel <triegel@redhat.com>
1705
1706 * libitm_i.h (STATE_ABORTING): Remove.
1707 * beginend.cc (_ITM_abortTransaction): Same.
1708 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1709 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1710 (_ITM_rollbackTransaction): Remove.
1711 * beginend.cc: Same.
1712 * libitm.map: Same.
1713 * libitm.texi: Document these ABI changes.
1714
1715 2011-06-30 Torvald Riegel <triegel@redhat.com>
1716
1717 * libitm.texi: New file.
1718 * Makefile.am: Add libitm.texi.
1719 * Makefile.in: Rebuild.
1720
1721 2011-06-30 Torvald Riegel <triegel@redhat.com>
1722
1723 * libitm_i.h: Move parts to common.h and dispatch.h.
1724 * common.h: New file.
1725 * dispatch.h: New file, new dispatch class.
1726 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1727 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1728 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1729 decision to retry.cc.
1730 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1731 only.
1732 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1733 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1734 logging.
1735 * barrier.cc: Use new barriers definitions.
1736 (abi_dispatch::memmove_overlap_check): New.
1737 * config/x86/x86_sse.cc: Same.
1738 * config/x86/x86_avx.cc: Same.
1739 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1740 memcpy.cc.
1741 * Makefile.in: Rebuild.
1742 * method-readonly.cc: Remove.
1743 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1744 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1745
1746 2011-06-30 Torvald Riegel <triegel@redhat.com>
1747
1748 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1749 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1750 * testsuite/libitm.c/dropref-2.c: Same.
1751 * testsuite/libitm.c/dropref.c: Same.
1752
1753 2011-06-30 Torvald Riegel <triegel@redhat.com>
1754
1755 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1756 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1757 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1758 * alloc_c.cc: Same.
1759 * barrier.tpl: Same.
1760 * beginend.c: Same.
1761 * config/generic/tls.h: Same.
1762 * config/x86/tls.h: Same.
1763 * libitm_i.h: Same.
1764 * memcpy.cc: Same.
1765 * memset.cc: Same.
1766 * method-readonly.cc: Same.
1767 * method-serial.cc: Same.
1768 * method-wbetl.cc: Same.
1769 * retry.cc: Same.
1770
1771 2011-03-03 Richard Henderson <rth@redhat.com>
1772
1773 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1774 From Patrik Marlier <patrick.marlier@unine.ch>.
1775
1776 2011-02-03 Richard Henderson <rth@redhat.com>
1777
1778 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1779 * configure.ac: Use it.
1780 * configure, config.h.in: Rebuild.
1781 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1782 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1783 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1784 * libitm.map: Use wildcards to match size_t mangling.
1785
1786 2010-12-14 Richard Henderson <rth@redhat.com>
1787
1788 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1789 blocks of TIDs per thread.
1790 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1791 (setup_gtm_thr): Return the thread structure.
1792 * config/x86/tls.h (setup_gtm_thr): Likewise.
1793
1794 2010-12-14 Richard Henderson <rth@redhat.com>
1795
1796 * clone.cc (table_lock): Remove.
1797 (find_clone): Don't take it.
1798 (ExcludeTransaction): New helper class.
1799 (_ITM_registerTMCloneTable): Use it.
1800 (_ITM_deregisterTMCloneTable): Likewise.
1801
1802 2010-12-14 Richard Henderson <rth@redhat.com>
1803
1804 * config/x86/tls.h: New file.
1805
1806 2010-07-15 Richard Henderson <rth@redhat.com>
1807
1808 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1809 * Makefile.in: Rebuild.
1810
1811 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1812
1813 * method-wbetl.cc (trydropreference): Fix source line.
1814
1815 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1816
1817 * libitm.h: Add comment.
1818 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1819
1820 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1821
1822 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1823 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1824 available, use pthread mutexes.
1825 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1826 * config.h.in: Regenerate.
1827 * configure: Regenerate.
1828
1829 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1830
1831 * libitm.h (ITM_PURE): Define.
1832 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1833
1834 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1835
1836 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1837 (validate): Add comment.
1838 (trydropreference): New.
1839 * method-readonly.cc (class readonly_dispatch): Add
1840 trydropreference.
1841 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1842 Call trydropreference().
1843 * libitm.h (_ITM_dropReferences): Remove const attribute.
1844 * method-serial.cc (class serial_dispatch): Add trydropreference.
1845 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1846
1847 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1848
1849 * memcpy.cc (do_memcpy): Comment.
1850
1851 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1852
1853 * barrier.tpl: Add comments throughout.
1854
1855 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1856
1857 * method-wbetl.cc (struct w_entry): Add comments.
1858 (trycommit): Same.
1859 (rollback): Same.
1860
1861 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1862
1863 * alloc_c.cc (_ITM_dropReferences): New.
1864 * libitm.map (_ITM_dropReferences): Add.
1865 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1866 * libitm_i.h (struct gtm_transaction): Declare
1867 drop_references_allocations and drop_references_local.
1868 * local.cc (rollback_local): Ignore memory when applicable.
1869 (drop_references_local): New.
1870
1871 2010-06-23 Richard Henderson <rth@redhat.com>
1872
1873 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1874 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1875 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1876 * config/alpha/target.h: Likewise.
1877 * config/generic/tls.cc (gtm_mask_stack): Use it.
1878
1879 2010-06-23 Richard Henderson <rth@redhat.com>
1880
1881 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1882 a mutex instead of trying a lock-free compare-and-swap on the list.
1883 (gtm_cacheline_page::operator delete): Likewise.
1884
1885 2010-06-16 Richard Henderson <rth@redhat.com>
1886
1887 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1888 that overlap the libitm stack.
1889 * barrier.tpl: Mark incoming stack.
1890 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1891 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1892 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1893 * memcpy.cc, memset.cc: Likewise.
1894 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1895 * config/generic/tls.h (gtm_thread): Add stack_top member.
1896 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1897 * libitm_i.h (gtm_mask_stack): Declare.
1898 * config/generic/tls.cc: New file.
1899 * Makefile.am (libitm_la_SOURCES): Add it.
1900 (AM_CXXFLAGS): Turn off exceptions.
1901 * Makefile.in: Rebuild.
1902
1903 2010-06-16 Richard Henderson <rth@redhat.com>
1904
1905 * alloc.cc (struct gtm_alloc_action): Move definition ...
1906 * libitm_i.h: ... here.
1907 (class gtm_transaction): Declare new and delete.
1908 * beginend.cc (alloc_tx): Reformulate as operator new.
1909 (free_tx): Reformulate as operator delete.
1910 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1911
1912 2010-06-11 Richard Henderson <rth@redhat.com>
1913
1914 * clone.cc (clone_entry_compare): Fix typo.
1915 From Patrik Marlier <patrick.marlier@unine.ch>.
1916
1917 2010-05-13 Richard Henderson <rth@redhat.com>
1918
1919 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1920 in extern "C".
1921
1922 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1923
1924 * libitm_i.h (struct gtm_transaction): Remove
1925 get_allocation_size.
1926 (record_allocation): Remove size parameter.
1927 * libitm.map (_ITM_realloc): Remove.
1928 * alloc_c.cc (_ITM_realloc): Remove.
1929 (_ITM_malloc): Remove size argument to record_allocation.
1930 (_ITM_calloc): Same.
1931 * alloc_cpp.cc (_ZGTtnwm): Same.
1932 (_ZGTtnwmRKSt9nothrow_t): Same.
1933 (_ZGTtnam): Same.
1934 (_ZGTtnamRKSt9nothrow_t): Same.
1935 * alloc.cc (struct gtm_alloc_action): Remove size.
1936 (get_allocation_size): Remove.
1937 (commit_allocations): Add comment.
1938 (record_allocation): Remove size parameter.
1939 (forget_allocation): Remove set of size.
1940
1941 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1942
1943 * Makefile.am (abi_version): New.
1944 (AM_CXXFLAGS): Pass abi_version.
1945 * Makefile.in: Regenerate.
1946 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1947
1948 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1949
1950 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1951 _ITM_getTMCloneOrIrrevokable.
1952 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1953 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1954
1955 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1956
1957 * configure.ac: Remove Linux futex support.
1958 * configure.tgt (config_path): Same.
1959 * Makefile.am: Same.
1960 * config/linux: Remove entire directory.
1961 * configure: Rebuild.
1962 * Makefile.in: Rebuild.
1963 * testsuite/Makefile.in: Rebuild.
1964
1965 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1966
1967 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1968 switching to serial mode.
1969 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1970
1971 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1972
1973 * configure.tgt: Add emacs -*- tags.
1974 * barrier.tpl: Same.
1975
1976 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1977
1978 * Makefile.am: Rename serial.cc to method-serial.cc.
1979 * Makefile.in: Regenerate with automake 1.11.1.
1980 * testsuite/Makefile.in: Same.
1981 * aclocal.m4: Regenerate with aclocal 1.11.1.
1982 * method-serial.cc: Rename from serial.cc.
1983 * libitm_i.h (struct gtm_transaction): Update comment on
1984 serialirr_mode.
1985
1986 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1987
1988 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1989 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1990
1991 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1992
1993 * configure: Rebuild.
1994
1995 2009-11-12 Richard Henderson <rth@redhat.com>
1996
1997 * Rewrite everything in C++.
1998
1999 2009-11-03 Richard Henderson <rth@redhat.com>
2000
2001 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2002 * Makefile.am (libitm_la_SOURCES): Add them.
2003 * configure.ac (ARCH_X86): New conditional.
2004 * Makefile.in, configure: Rebuild.
2005 * configure.tgt: Set up ARCH; do cflags setup at the same time.
2006 Move futex setup into "other system configury" case.
2007 * local.c (rollback_local): Merge into ...
2008 (GTM_rollback_local): ... here.
2009 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2010 (_ITM_LB): Define as an alias to GTM_LB.
2011
2012 2009-11-03 Richard Henderson <rth@redhat.com>
2013
2014 * method-readonly.c: New file.
2015 * Makefile.am (libitm_la_SOURCES): Add it.
2016 * Makefile.in: Rebuild.
2017 * beginend.c (gtm_stmlock_array, gtm_clock): New.
2018 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2019 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2020 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2021 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2022 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2023 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2024 gtm_get_clock, gtm_inc_clock): New.
2025 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2026 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2027 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2028 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2029 replace uses with new libitm_i.h symbols.
2030 (dispatch_wbetl): Rename from wbetl_dispatch.
2031 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2032 away from dispatch_readonly; abort if the beginTransaction call
2033 asserted that the transaction was readonly.
2034
2035 2009-11-03 Richard Henderson <rth@redhat.com>
2036
2037 * memset.c: New file.
2038 * Makefile.am (libitm_la_SOURCES): Add it.
2039 * Makefile.in: Rebuild.
2040 * testsuite/libitm.c/memset-1.c: New.
2041
2042 2009-11-03 Richard Henderson <rth@redhat.com>
2043
2044 * dispatch.c: Remove file.
2045 * useraction.c (struct gtm_user_action): Move from libitm.h.
2046 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2047 (serial_memset, serial_memmove, serial_memcpy): Remove.
2048 (serial_W*, serial_R*): Remove.
2049 (serial_dispatch): Update to match.
2050 * configure.ac: Move Werror down below configure checks. Don't
2051 check for sys/loadavg.h, do check for malloc.h. Don't check for
2052 getloadavg and clock_gettime; do check for memalign, posix_memalign.
2053 Use GCC_AC_FUNC_MMAP_BLACKLIST
2054 * libitm.h: Split out all internal items to...
2055 * libitm_i.h: ... here. New file.
2056 * copymask.c: New file.
2057 * local.c (struct gtm_local_undo): Move from libitm.h.
2058 (GTM_alloc_local): Rename from alloc_local; export.
2059 * memcpy.c: New file.
2060 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2061 * config/posix/page.c: New file.
2062 * config/posix/target_tls.h: Remove file.
2063 * barrier.c: New file.
2064 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2065 copymask.c, page.c.
2066 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2067 * method-wbetl.c: Rewrite for new cacheline methods.
2068 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2069
2070 * config/alpha/sjlj.S: Fix typo.
2071 * config/alpha/target_i.h: Copy functions from alpha/target.h.
2072 * config/alpha/copymask.c: New file.
2073 * config/alpha/target.h (CACHELINE_SIZE): New.
2074 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2075
2076 * config/x86/target_i.h: Copy functions from x86/target.h.
2077 * config/x86/copymask.c: New file.
2078 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2079 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2080 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2081 * config/x86/target_tls.h: Move contents to target_i.h.
2082
2083 * testsuite/libitm.c/clone-1.c: Include libitm.h.
2084 * testsuite/libitm.c/memcpy-1.c: New.
2085
2086 2009-10-22 Richard Henderson <rth@redhat.com>
2087
2088 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2089 (AM_CCASFLAGS): New.
2090 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
2091 saving/restoring _AC_ARG_VAR_PRECIOUS.
2092 * Makefile.in, aclocal.m4, config.h.in, configure,
2093 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2094
2095 2009-10-22 Richard Henderson <rth@redhat.com>
2096
2097 * testsuite/*: Update for new compiler syntax.
2098
2099 2009-10-21 Richard Henderson <rth@redhat.com>
2100
2101 * libitm.h (_ITM_abortReason): Add outerAbort.
2102
2103 2009-08-03 Richard Henderson <rth@redhat.com>
2104
2105 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2106 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2107 * method-wbetl.c (struct w_entry): Remove mask.
2108 (wbetl_write, wbetl_load): Return pointer to word containing the data;
2109 adjust all callers.
2110
2111 2009-07-22 Richard Henderson <rth@redhat.com>
2112
2113 * eh_cpp.c: New file.
2114 * Makefile.am (libitm_la_SOURCES): Add it.
2115 * Makefile.in: Rebuild.
2116 * beginend.c (GTM_rollback_transaction): Undo exception state.
2117 (GTM_trycommit_transaction): Mark inline.
2118 (GTM_trycommit_and_finalize_transaction): Split out from ...
2119 (_ITM_commitTransaction): ... here.
2120 (_ITM_commitTransactionEH): New function.
2121 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2122 cxa_unthrown, eh_in_flight; reorder.
2123
2124 * testsuite/libitm.c++/c++.exp: New.
2125 * testsuite/libitm.c++/eh-1.C: New.
2126
2127 * aatree.c (aa_free): Remove REGPARM.
2128 * aatree.h: Remove all REGPARM.
2129
2130 2009-07-18 Richard Henderson <rth@redhat.com>
2131
2132 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2133 * Makefile.am (libitm_la_SOURCES): Add them.
2134 * Makefile.in: Rebuild.
2135 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2136 (GTM_trycommit_transaction): Likewise.
2137 * libitm.h: Include aatree.h
2138 (struct gtm_alloc_action): New.
2139 (struct gtm_transaction): Add alloc_actions.
2140 (GTM_record_allocation, GTM_forget_allocation): Declare.
2141 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2142 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2143 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2144 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2145 _ZGTtdaPvRKSt9nothrow_t): Export.
2146
2147 2009-07-18 Richard Henderson <rth@redhat.com>
2148
2149 * target_tls.h: Move ...
2150 * config/posix/target_tls.h: ... here.
2151
2152 2009-07-07 Richard Henderson <rth@redhat.com>
2153
2154 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2155
2156 2009-07-07 Richard Henderson <rth@redhat.com>
2157
2158 * Update to GPL3.
2159
2160 2009-07-07 Richard Henderson <rth@redhat.com>
2161
2162 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2163 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2164
2165 * configure.tgt: Don't use -ftls-model for x86 linux.
2166 * libitm.h: Include target.h after standard includes.
2167 (_gtm_thr): Rename from gtm_thr.
2168 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2169 (gtm_disp, set_gtm_disp): New.
2170 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2171 retry.c, serial.c, useraction.c: Use accessor functions throughout.
2172 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2173
2174 2009-07-07 Richard Henderson <rth@redhat.com>
2175
2176 * config/linux/rwlock.c (EZ): New define. Use it throughout.
2177
2178 2009-07-06 Richard Henderson <rth@redhat.com>
2179
2180 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2181 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2182 (_ITM_beginTransaction): Take variadic arguments.
2183 (_ITM_registerThrownObject): Declare.
2184 * beginend.c, serial.c: Update.
2185 * libitm.map: Add _ITM_registerThrownObject.
2186
2187 2009-01-28 Richard Henderson <rth@redhat.com>
2188
2189 * Makefile.am (libitm_la_SOURCES): Add clone.c.
2190 * Makefile.in: Rebuild.
2191 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2192 (GTM_restart_transaction): Fix uninstrumented code check.
2193 * retry.c (GTM_decide_retry_strategy): Add serial check.
2194 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
2195 automatically go irrevokable when in serial mode.
2196 * clone.c: New file.
2197 * libitm.h, libitm.map: Update.
2198
2199 2009-01-27 Richard Henderson <rth@redhat.com>
2200
2201 * Makefile.am (LTCCASCOMPILE): Define.
2202 (libitm_la_SOURCES): Add methid-wbetl.c.
2203 * testsuite/Makefile.am: New
2204 * configure.ac: Add testsuite/Makefile.
2205 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2206 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2207 (_ITM_abortTransaction): Finalize implementation method; pass
2208 transaction properties to longjmp.
2209 (GTM_restart_transaction): Split out from ...
2210 (_ITM_commitTransaction): ... here.
2211 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2212 Move to config/x86/target.h.
2213 * config/linux/alpha/futex_bits.h: New.
2214 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2215 * config/x86/target.h: Disable target types for 32-bit.
2216 * config/alpha/sjlj.S, config/alpha/target.h: New.
2217 * libitm.h (struct gtm_dispatch): Add init, fini.
2218 (enum restart_reason): New.
2219 (struct gtm_transaction): Add method and restarts.
2220 * retry.c (GTM_decide_retry_strategy): Implement.
2221 * serial.c (serial_init, serial_fini): New.
2222 (GTM_serialmode): Finialize outgoing method.
2223 * method-wbetl.c: New.
2224
2225 2008-12-09 Richard Henderson <rth@redhat.com>
2226
2227 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2228 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2229 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2230 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2231 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2232 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2233 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2234 * serial.c (serial_R##T, serial_W##T): Likewise.
2235
2236 2008-11-21 Richard Henderson <rth@redhat.com>
2237
2238 * Initial commit.
2239 \f
2240 Copyright (C) 2008-2020 Free Software Foundation, Inc.
2241
2242 Copying and distribution of this file, with or without modification,
2243 are permitted in any medium without royalty provided the copyright
2244 notice and this notice are preserved.