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7e7065b9
JJ		 12020-01-01 Jakub Jelinek <jakub@redhat.com>
2
3 * libitm.texi: Bump @copying's copyright year.
4
00484365
SN		 52019-12-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
6
7 PR libgomp/91938
8 * configure.tgt: Avoid IE tls on *-*-musl*.
9
e9085da5
MR		 102019-09-27 Maciej W. Rozycki <macro@wdc.com>
11
12 * configure: Regenerate.
13
b1e21e5a
CL		 142019-09-10 Christophe Lyon <christophe.lyon@st.com>
15
a360a359
CL		 16 * config/arm/sjlj.S (ldaddr): Add FDPIC support.
17
182019-09-10 Christophe Lyon <christophe.lyon@st.com>
19
20 * configure.tgt: Handle *-*-uclinux*.
21 * configure: Regenerate.
b1e21e5a 22
3c086f8d
FW		 232019-09-06 Florian Weimer <fweimer@redhat.com>
24
25 * configure: Regenerate.
26
c6c2d1bc
CLT		 272019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
28
29 PR other/79543
30 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
31 scanning to conform to the GNU Coding Standards.
32 * configure: Regenerate.
33
061a799b
JJ		 342019-05-03 Jakub Jelinek <jakub@redhat.com>
35
36 * Makefile.am (finclude): Remove.
37 * Makefile.in: Regenerated.
38
a5544970
JJ		 392019-01-01 Jakub Jelinek <jakub@redhat.com>
40
41 Update copyright years.
42
3f27508c
JJ		 432019-01-01 Jakub Jelinek <jakub@redhat.com>
44
45 * libitm.texi: Bump @copying's copyright year.
46
784417d1
JJ		 472018-12-16 Jakub Jelinek <jakub@redhat.com>
48
49 PR c++/88482
50 * eh_cpp.cc (__cxa_throw): Change DEST argument type from
51 void * to void (*) (void *).
52 (_ITM_cxa_throw): Likewise.
53 * libitm.h (_ITM_cxa_throw): Likewise.
54 * libitm.texi (_ITM_cxa_throw): Likewise.
55
d1573fe0
PB		 562018-12-13 Peter Bergner <bergner@linux.ibm.com>
57
58 * config/powerpc/target.h (htm_available): Add support for
59 PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available.
60
22e05272
JM		 612018-10-31 Joseph Myers <joseph@codesourcery.com>
62
63 PR bootstrap/82856
64 * Makefile.am: Include multilib.am.
65 (AUTOMAKE_OPTIONS): Add info-in-builddir.
66 (CLEANFILES): Remove libitm.info.
67 * configure.ac: Remove AC_PREREQ.
68 * testsuite/Makefile.am (RUNTEST): Remove quotes.
69 * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
70 Regenerate.
71
1f82422a
NK		 722018-10-30 Nicholas Krause <xerofoify@gmail.com>
73
a2e0398a 74 PR libitm/86293
1f82422a
NK		 75 * method-serial.cc: Mark varible as potentially unused
76 to silence warning.
77
f6a9dfd3
ST		 782018-08-03 Sergei Trofimovich <slyfox@gentoo.org>
79
80 * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
81 absolute relocation in a shared library.
82
97cad511
L		 832018-06-12 H.J. Lu <hongjiu.lu@intel.com>
84
85 PR libitm/85988
86 * config/linux/x86/tls.h (SEG_READ): Use the offset of
87 __private_tm as base.
88 (SEG_WRITE): Likewise.
89 (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
90 (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
91 (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
92 (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
93 (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
94
b46b715d
JM		 952018-05-17 Jason Merrill <jason@redhat.com>
96
97 * beginend.cc (save): Disable -Werror=deprecated-copy.
98
9220b511
TV		 992018-05-02 Tom de Vries <tom@codesourcery.com>
100
101 PR testsuite/85106
102 * testsuite/lib/libitm.exp: Include scanltranstree.exp.
103
6c3c13c1
TV		 1042018-05-02 Tom de Vries <tom@codesourcery.com>
105
106 PR testsuite/85106
107 * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
108
ffc2fc06
L		 1092018-04-24 H.J. Lu <hongjiu.lu@intel.com>
110
111 * config/x86/sjlj.S (_ITM_beginTransaction): Add
112 (__CET__ & 2) != 0 check for shadow stack.
113 (GTM_longjmp): Likewise.
114
7b47ecf2
L		 1152018-04-24 H.J. Lu <hongjiu.lu@intel.com>
116
117 * configure: Regenerated.
118
0ef9f21d
L		 1192018-04-23 H.J. Lu <hongjiu.lu@intel.com>
120
121 PR target/85489
122 * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
123
a0e1df88
JJ		 1242018-04-19 Jakub Jelinek <jakub@redhat.com>
125
126 * configure: Regenerated.
127
001ddaa8
DM		 1282018-04-18 David Malcolm <dmalcolm@redhat.com>
129
130 PR jit/85384
131 * configure: Regenerate.
132
14e335ed
IT		 1332018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
134
135 PR target/84148
136 * configure: Regenerate.
137
65e6aea3
JJ		 1382018-01-03 Jakub Jelinek <jakub@redhat.com>
139
85ec4feb
JJ		 140 Update copyright years.
141
65e6aea3
JJ		 142 * libitm.texi: Bump @copying's copyright year.
143
c51081fc
IT		 1442017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
145
146 * Makefile.in: Regenerate.
147 * acinclude.m4: Add enable.m4 and cet.m4.
148 * config/x86/sjlj.S: Include cet.h.
149 (_ITM_beginTransaction): Add _CET_ENDBR.
150 Save Shadow Stack pointer.
151 (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
152 * config/x86/target.h (struct gtm_jmpbuf):
153 Add new field for Shadow Stack pointer.
154 * configure: Regenerate.
155 * configure.ac: Set CET_FLAGS. Update XCFLAGS.
156 * configure.ac: Update libtool_VERSION for x86.
157 * testsuite/Makefile.in: Regenerate.
158
cc03e55b
IT		 1592017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
160
161 * libitm/config/x86/target.h: Add new field (ssp).
162 * libitm/config/x86/sjlj.S: Change offsets.
163
62ffe920
RO		 1642017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
165
166 * testsuite/lib/libitm.exp: Load scanlang.exp.
167
5764ee3c
JW		 1682017-04-03 Jonathan Wakely <jwakely@redhat.com>
169
170 * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
171
73aa401e
JJ		 1722017-01-21 Jakub Jelinek <jakub@redhat.com>
173
174 PR other/79046
175 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
176 of cat to get version from BASE-VER file.
177 * testsuite/Makefile.in: Regenerated.
178
16a34ca6
UB		 1792017-01-19 Uros Bizjak <ubizjak@gmail.com>
180
181 * config/x86/target.h (htm_available): Determine vendor from
182 __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup.
183
f8a94453
TR		 1842017-01-18 Torvald Riegel <triegel@redhat.com>
185
186 * config/x86/target.h (htm_available): Add check for some processors
187 on which TSX is broken.
188
3c36aa6b
JJ		 1892017-01-17 Jakub Jelinek <jakub@redhat.com>
190
191 PR other/79046
192 * configure.ac: Add GCC_BASE_VER.
193 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
194 get version from BASE-VER file.
195 * testsuite/Makefile.in: Regenerated.
196 * configure: Regenerated.
197 * Makefile.in: Regenerated.
198
8f56cb51
AM		 1992017-01-04 Alan Modra <amodra@gmail.com>
200
201 * Makefile.in: Regenerate.
202 * testsuite/Makefile.in: Regenerate.
203
c1a9c369
JJ		 2042017-01-01 Jakub Jelinek <jakub@redhat.com>
205
cbe34bb5
JJ		 206 Update copyright years.
207
c1a9c369
JJ		 208 * libitm.texi: Bump @copying's copyright year.
209
66dbcf2d
RO		 2102016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
211
212 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
213 * aclocal.m4: Regenerate.
214 * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
215 LIBITM_CHECK_LINKER_HWCAP.
216
84c1b9d3
MK		 2172016-11-15 Matthias Klose <doko@ubuntu.com>
218
219 * configure: Regenerate.
220
831698b8
L		 2212016-04-19 H.J. Lu <hongjiu.lu@intel.com>
222
223 PR libitm/70456
224 * util.cc (xmalloc): Use posix_memalign to allocate memory on
225 on cache line if requested.
226
edcbda7e
DV		 2272016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
228
229 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
230 function attribute to disable floating point in begin_transaction() on
231 S/390.
232 * beginend.cc (begin_transaction): Use
233 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
234
6041f70a
TR		 2352016-01-22 Torvald Riegel <triegel@redhat.com>
236
237 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
238 boundary.
239 (htm_fastpath): Remove.
240 (gtm_thread::begin_transaction): Fix HTM fastpath.
241 (_ITM_commitTransaction): Adapt.
242 (_ITM_commitTransactionEH): Adapt.
243 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
244 and accessors.
245 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
246 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
247 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
248 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
249 * libitm/method-serial.cc (htm_mg): Adapt.
250 (gtm_thread::serialirr_mode): Adapt.
251 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
252
0b96ffdb
TR		 2532016-01-21 Torvald Riegel <triegel@redhat.com>
254
255 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
256 or AIX.
257
b1de98e3
RH		 2582016-01-19 Richard Henderson <rth@redhat.com>
259
260 PR bootstrap/69343
261 PR bootstrap/69339
262 Revert:
263 2016-01-13 Richard Henderson <rth@redhat.com>
264
265 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
266 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
267 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
268 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
269 * configure.ac (ARCH_AARCH64): New conditional.
270 (ARCH_PPC, ARCH_S390): Likewise.
271 * Makefile.in, configure: Rebuild.
272
273 * libitm.h (_ITM_TYPE_M128): Always define.
274 * vect64.cc: Split ...
275 * vect128.cc: ... out of...
276 * config/x86/x86_sse.cc: ... here.
277 * config/arm/neon.cc: New file.
278
f57fc960
TR		 2792016-01-19 Torvald Riegel <triegel@redhat.com>
280
281 * local_type_traits: Remove file.
282 * libitm_i.h: Don't include it anymore.
283 (sized_integral): Remove.
284
d2653984
TR		 2852016-01-16 Torvald Riegel <triegel@redhat.com>
286
287 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
288 safety.
289 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
290 * libitm/testsuite/libitm.c/priv-1.c: New.
291
a04d5fc9
TR		 2922015-01-15 Torvald Riegel <triegel@redhat.com>
293
294 testsuite/libitm.c++/libstdc++-safeexc.C: New.
295
e89137ce
TR		 2962016-01-13 Torvald Riegel <triegel@redhat.com>
297
298 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
299 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
300 (gtm_rwlock::write_unlock): Likewise.
301
4c868789
RH		 3022016-01-13 Richard Henderson <rth@redhat.com>
303
304 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
305 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
306 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
307 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
308 * configure.ac (ARCH_AARCH64): New conditional.
309 (ARCH_PPC, ARCH_S390): Likewise.
310 * Makefile.in, configure: Rebuild.
311
312 * libitm.h (_ITM_TYPE_M128): Always define.
313 * vect64.cc: Split ...
314 * vect128.cc: ... out of...
315 * config/x86/x86_sse.cc: ... here.
316 * config/arm/neon.cc: New file.
317
629e4729
TR		 3182016-01-13 Torvald Riegel <triegel@redhat.com>
319
320 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
321 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
322 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
323 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
324 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
325 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
326 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
327 (serialirr_dispatch::snapshot_most_recent): New.
328 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
329
0d1ed412
TR		 3302016-01-12 Torvald Riegel <triegel@redhat.com>
331
332 * libitm_i.h (gtm_mask_stack): Remove.
333 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
334 * stmlock.h: Remove file.
335 * config/alpha/cacheline.h: Likewise.
336 * config/generic/cacheline.h: Likewise.
337 * config/powerpc/cacheline.h: Likewise.
338 * config/sparc/cacheline.h: Likewise.
339 * config/x86/cacheline.h: Likewise.
340
21fa2a29
JJ		 3412016-01-04 Jakub Jelinek <jakub@redhat.com>
342
818ab71a
JJ		 343 Update copyright years.
344
21fa2a29
JJ		 345 * libitm.texi: Bump @copying's copyright year.
346
e7f7330f
TR		 3472015-11-26 Torvald Riegel <triegel@redhat.com>
348
349 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
350 (ml_wt_dispatch::pre_write): Adapt.
351 (ml_wt_dispatch::pre_load): Likewise.
352
4f8a3b87
TR		 3532015-11-22 Torvald Riegel <triegel@redhat.com>
354
355 * libitm_i.h (gtm_alloc_action): Remove union.
356 * testsuite/libitm.c/alloc-1.c: New.
357
258c1d07
TR		 3582015-11-19 Torvald Riegel <triegel@redhat.com>
359
360 * testsuite/libitm.c++/eh-5.C: New.
361 * libitm.h (_ITM_cxa_free_exception): New.
362 * libitm.map (_ITM_cxa_free_exception): Add it.
363 * libitm.texi: Update ABI docs.
364 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
365 (gtm_transaction_cp::cxa_uncaught_count): Add.
366 (gtm_thread::cxa_unthrown): Remove.
367 (gtm_thread::cxa_uncaught_count_ptr): Add.
368 (gtm_thread::cxa_uncaught_count): Add.
369 (gtm_thread::drop_references_allocations): Rename to...
370 (gtm_thread::discard_allocation): ... this and adapt.
371 (gtm_thread::init_cpp_exceptions): New.
372 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
373 (gtm_thread::begin_transaction): Likewise.
374 (gtm_transaction_cp::save): Likewise.
375 (gtm_thread::trycommit): Likewise.
376 * eh_cpp.cc: Add overview comments.
377 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
378 (free_any_exception, _ITM_cxa_free_exception): New.
379 (gtm_thread::init_cpp_exceptions): Define.
380 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
381 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
382 (gtm_thread::revert_cpp_exceptions): Likewise.
383
c518678b
TR		 3842015-11-09 Torvald Riegel <triegel@redhat.com>
385
386 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
387 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
388 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
389 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
390 (gtm_thread::forget_allocations): New overload with size_t argument.
391 * alloc.c (gtm_thread::forget_allocation): Define new overload and
392 adapt existing one.
393 (gtm_thread::record_allocation): Adapt.
394 (gtm_thread::commit_allocations_1): Adapt.
395 (gtm_thread::commit_allocations_2): Adapt.
396 * testsuite/libitm.c++/newdelete.C: New.
397
1e44e857
DJ		 3982015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
399 Joseph Myers <joseph@codesourcery.com>
400 Mark Shinwell <shinwell@codesourcery.com>
401 Andrew Stubbs <ams@codesourcery.com>
402 Rich Felker <dalias@libc.org>
403
404 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
405 GTM_begin_transaction for compatibility with FDPIC.
406
9e531d37
DM		 4072015-10-09 David Malcolm <dmalcolm@redhat.com>
408
409 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
410 using load_gcc_lib.
411
c629c246
GFM		 4122015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
413
414 PR libitm/61164
415 * local_atomic (__always_inline): Rename to...
416 (__libitm_always_inline): ... this.
417
cd5a9a74
CSLL		 4182015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
419
420 PR target/52482
421 * config/powerpc/sjlj.S: Port to Xcode 2.5.
422
ea023bcf
UB		 4232015-05-27 Uros Bizjak <ubizjak@gmail.com>
424
d778b5a0
UB		 425 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
426 operands "op" and "val" to int.
427
4282015-05-27 Uros Bizjak <ubizjak@gmail.com>
429
430 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
431 "op" and "val" to int.
432
4332015-05-27 Uros Bizjak <ubizjak@gmail.com>
434
435 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
436 "op" and "val" to int.
437
4382015-05-27 Uros Bizjak <ubizjak@gmail.com>
439
440 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
441 Declare as static int.
442 (FUTEX_PRIVATE_FLAG): Remove L suffix.
443 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
444
4452015-05-27 Uros Bizjak <ubizjak@gmail.com>
446
447 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
448 sys_futex0 function.
ea023bcf 449
503902f9
MH		 4502015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
451
452 * Makefile.in: Regenerated with automake-1.11.6.
453 * aclocal.m4: Likewise.
454 * configure: Likewise.
455 * testsuite/Makefile.in: Likewise.
456
96ce40cb
GR		 4572015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
458
459 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
460 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
461
3a07b160
L		 4622015-01-15 H.J. Lu <hongjiu.lu@intel.com>
463
464 PR libitm/64360
465 * libitm.c/stackundo.c (test2): Make it static.
466 (test1): Likewise.
467
5624e564
JJ		 4682015-01-05 Jakub Jelinek <jakub@redhat.com>
469
470 Update copyright years.
471
b67cd4e3
JJ		 4722015-01-05 Jakub Jelinek <jakub@redhat.com>
473
474 * libitm.texi: Bump @copying's copyright year.
475
69aef6dc
KT		 4762014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
477
478 * testsuite/lib/libitm.exp: Load target-utils.exp.
479 Move load of target-supports.exp earlier.
480
68bc9270
UB		 4812014-12-03 Uros Bizjak <ubizjak@gmail.com>
482
483 * configure.tgt (x86_64): Tune -m32 multilib to generic.
484
a699d672
L		 4852014-11-21 H.J. Lu <hongjiu.lu@intel.com>
486
487 PR bootstrap/63784
488 * configure: Regenerated.
489
ebf6d33b
FXC		 4902014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
491
492 PR target/63610
493 * configure: Regenerate.
494
99183741
MP		 4952014-10-06 Marek Polacek <polacek@redhat.com>
496
497 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
498 * testsuite/libitm.c/memset-1.c: Likewise.
499
b6334cf4
RH		 5002014-07-24 Richard Henderson <rth@redhat.com>
501
502 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
503 addressing mode in epilogue.
504
3c698bf0
RO		 5052014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
506
507 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
508 -mclear-hwcap instead.
509 * configure: Regenerate.
510 * clearcap.map: Remove.
511
dbed5a9b
JM		 5122014-05-21 John Marino <gnugcc@marino.st>
513
514 * configure.tgt (*-*-dragonfly*): New target.
515
b17f08dd
RH		 5162014-05-19 Richard Henderson <rth@redhat.com>
517
518 * config/aarch64/sjlj.S: New file.
519 * config/aarch64/target.h: New file.
520 * configure.tgt: Enable aarch64.
521
5e1f630a
RO		 5222014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
523
524 * config/generic/asmcfi.h: Also check for
525 __GCC_HAVE_DWARF2_CFI_ASM.
526
84c2f4b0
RH		 5272013-04-02 Richard Henderson <rth@redhat.com>
528
529 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
530 * config/arm/target.h, config/sh/target.h: Likewise.
531 * config/sparc/target.h, config/x86/target.h: Likewise.
532
7cc51d64
JJ		 5332014-03-26 Jakub Jelinek <jakub@redhat.com>
534
535 * config/linux/futex_bits.h: Include errno.h.
536 (sys_futex0): If syscall returns -1, return -errno rather than
537 -1.
538
c288ec8f
JM		 5392014-03-26 Joseph Myers <joseph@codesourcery.com>
540
541 * libitm.texi (Index): Rename to Library Index.
542
ed100f5d
L		 5432014-01-13 H.J. Lu <hongjiu.lu@intel.com>
544
545 PR libitm/53113
546 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
547 (x86_avx.lo): Append -mavx to CXXFLAGS.
548 * Makefile.in: Regenerate.
549
f93608e6
RS		 5502014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
551
552 Update copyright years
553
98db73df
TB		 5542014-01-02 Tobias Burnus <burnus@net-b.de>
555
556 * libitm.texi: Bump @copying's copyright year.
557
b54214fe
UW		 5582013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
559
560 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
561 (FUNC): Define ELFv2 variant.
562 (END): Likewise.
563 (HIDDEN): Likewise.
564 (CALL): Likewise.
565 (BASE): Likewise.
566 (LR_SAVE): Likewise.
567
3cbe17f7
AM		 5682013-09-20 Alan Modra <amodra@gmail.com>
569
570 * configure: Regenerate.
571
6fb471d8
TR		 5722013-08-30 Torvald Riegel <triegel@redhat.com>
573
574 * config/posix/rwlock.cc: Fix initialization order.
575
bec9ec3f
TR		 5762013-08-30 Torvald Riegel <triegel@redhat.com>
577
578 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
579 (htm_fastpath): Assign an asm name.
580 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
581 HTM fast paths.
582 (_ITM_actions): Likewise.
583 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
584 x86_64.
585 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
586 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
587 field to the start of the structure.
588 * config/linux/rwlock.h (gtm_rwlock): Update comments.
589 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
590 handling for custom HTM fast paths.
591
1869217f
AK		 5922013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
593 Revert:
594 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
595
596 * configure.tgt: Add -msoft-float to XCFLAGS.
597
d62d5152
AK		 5982013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
599
600 * configure.tgt: Add -msoft-float to XCFLAGS.
601
aaaffb2a
AK		 6022013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
603
604 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
605 (htm_transaction_active): Enable zEC12 instructions in the
606 assembler.
607 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
608
167f68ed
AK		 6092013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
610
611 * acinclude.m4: Add htm asm check for s390.
612 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
613 * configure: Regenerate.
614 * config/s390/target.h: Remove __HTM__ check.
615 (htm_available): Call getauxval to get hwcaps and check whether
616 HTM is available or not.
617
0258b6e4
PB		 6182013-07-15 Peter Bergner <bergner@vnet.ibm.com>
619
620 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
621 * configure.ac: Use it.
622 (AC_CHECK_HEADERS): Check for sys/auxv.h.
623 (AC_CHECK_FUNCS): Check for getauxval.
624 * config.h.in, configure: Rebuild.
625 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
626 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
627 (USE_HTM_FASTPATH): Define.
628 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
629 _HTM_RETRIES) New macros.
630 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
631 htm_begin_success, htm_commit, htm_transaction_active): New functions.
632
5a3fe9b6
AK		 6332013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
634
635 * config/s390/target.h: Include htmintrin.h.
636 (_HTM_ITM_RETRIES): New macro definition.
637 (htm_available, htm_init, htm_begin, htm_begin_success)
638 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
639
6c84d576
IS		 6402013-06-20 Iain Sandoe <iain@codesourcery.com>
641 Cesar Philippidis <cesar@codesourcery.com>
642
643 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
644 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
645 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
646 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
647
480c696b
TR		 6482013-06-20 Torvald Riegel <triegel@redhat.com>
649
650 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
651 (_ITM_getTransactionId): Same.
652 * config/x86/target.h (htm_transaction_active): New.
653
b1db457b
TR		 6542013-06-20 Torvald Riegel <triegel@redhat.com>
655
656 PR libitm/57643
657 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
658 the HTM fastpath.
659
51249377
GP		 6602013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
661
662 PR bootstrap/56714
663 * local_atomic (__always_inline): Always define our version.
664 (__calculate_memory_order): Mark inline.
665 (atomic_thread_fence): Ditto.
666 (atomic_signal_fence): Ditto.
667 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
668 (atomic_bool::atomic_flag_clear_explicit): Ditto.
669 (atomic_bool::atomic_flag_test_and_set): Ditto.
670 (atomic_bool::atomic_flag_clear): Ditto.
671
f818478b
JJ		 6722013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
673
674 * config/s390/sjlj.S: New file.
675 * config/s390/target.h: New file.
676 * configure.tgt: Set options for S/390.
677
ab4425be
AK		 6782013-03-23 Andi Kleen <ak@linux.intel.com>
679
680 * local_atomic (__always_inline): Add.
681 (__calculate_memory_order, atomic_thread_fence,
682 atomic_signal_fence, test_and_set, clear, store, load,
683 exchange, compare_exchange_weak, compare_exchange_strong,
684 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
685 Add __always_inline to force inlining.
686
6c59ffd1
IS		 6872013-02-11 Iain Sandoe <iain@codesourcery.com>
688 Jack Howarth <howarth@bromo.med.uc.edu>
689 Patrick Marlier <patrick.marlier@gmail.com>
690
691 PR libitm/55693
692 * alloc_cpp.cc: Enable function declarations on darwin.
693 * eh_cpp.cc: Likewise.
694
75f9527c
RS		 6952013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
696
697 Update copyright years.
698
64fbcc74
TR		 6992012-11-09 Torvald Riegel <triegel@redhat.com>
700
701 * beginend.cc (htm_fastpath): New.
702 (gtm_thread::begin_transaction, _ITM_commitTransaction,
703 _ITM_commitTransactionEH): Add HTM fastpath handling.
704 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
705 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
706 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
707 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
708 * configure.tgt: Add -mrtm to XCFLAGS.
709 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
710 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
711 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
712 * retry.cc (parse_default_method): Add HTM method parsing.
713 (gtm_thread::number_of_threads_changed): Use HTM by default if
714 available.
715
b9efc877
TS		 7162012-11-04 Thomas Schwinge <thomas@codesourcery.com>
717
718 * configure: Regenerate.
719
07d3b5c8
RH		 7202012-10-31 Richard Henderson <rth@redhat.com>
721
722 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
723 * configure.ac: Use it.
724 * config.h.in, configure: Rebuild.
725 * testsuite/Makefile.in: Rebuild.
726
eb00e959
TR		 7272012-10-24 Torvald Riegel <triegel@redhat.com>
728
729 * libitm.texi: Clarify ABI requirements for data-logging functions.
730
b679c813
TR		 7312012-10-24 Torvald Riegel <triegel@redhat.com>
732
733 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
734 it requires serial mode instead of assuming that for certain
735 dispatchs.
736 * dispatch.h (abi_dispatch::requires_serial): New.
737 (abi_dispatch::abi_dispatch): Adapt.
738 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
739 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
740 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
741 serial_dispatch::serial_dispatch,
742 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
743
0c609a21
UB		 7442012-10-02 Uros Bizjak <ubizjak@gmail.com>
745
746 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
747 and ia32 declarations some more.
748 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
749
c0758df9
JJ		 7502012-09-20 Jakub Jelinek <jakub@redhat.com>
751
752 PR other/43620
753 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
754 * configure: Regenerate.
755 * Makefile.in: Regenerate.
756
690c45b8
DE		 7572012-09-14 David Edelsohn <dje.gcc@gmail.com>
758
759 * configure: Regenerated.
760
68a12ef3
UB		 7612012-07-31 Uros Bizjak <ubizjak@gmail.com>
762
763 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
764
f2f9a097
PM		 7652012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
766
767 * eh_cpp.cc: Fix __cxa_end_catch declaration.
768
e6d5f8c9
L		 7692012-05-16 H.J. Lu <hongjiu.lu@intel.com>
770
771 * configure: Regenerated.
772
0100e3b3
L		 7732012-04-04 H.J. Lu <hongjiu.lu@intel.com>
774
775 PR libitm/52854
776 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
777 for x86-64.
778
2f6935f4
TG		 7792012-04-03 Tristan Gingold <gingold@adacore.com>
780
781 * configure: Regenerate.
782
b9c23a61
L		 7832012-03-31 H.J. Lu <hongjiu.lu@intel.com>
784
785 PR bootstrap/52812
786 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
787
6a26a74d
BRF		 7882012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
789
790 * testsuite/lib/libitm.exp: load fortran-modules.exp
791
b24513a1
RO		 7922012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
793
794 * configure.tgt (*-*-irix6*): Remove.
795
0d23faac
TR		 7962012-03-13 Torvald Riegel <triegel@redhat.com>
797
798 PR libitm/52526
799 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
800 wake-up.
801
5c30094f
RO		 8022012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
803
804 * configure.tgt (*-*-osf*): Remove.
805 * configure: Regenerate.
806
d28b0b08
TR		 8072012-03-05 Torvald Riegel <triegel@redhat.com>
808
809 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
810 memtransfer/memset if size isn't larger than zero.
811
034209bc
TR		 8122012-03-02 Torvald Riegel <triegel@redhat.com>
813
814 * libitm.texi: Link to specification and add a usage example.
815
bc8da6ba
TR		 8162012-02-24 Torvald Riegel <triegel@redhat.com>
817
818 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
819 default dispatch for more than 1 thread to ml_wt.
820
63b08143
TR		 8212012-02-20 Torvald Riegel <triegel@redhat.com>
822
823 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
824
4c9bd6ac
TR		 8252012-02-20 Torvald Riegel <triegel@redhat.com>
826
827 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
828
651ff415
TR		 8292012-02-20 Torvald Riegel <triegel@redhat.com>
830
831 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
832 serial mode corner cases made obsolete by prior gtm_rwlock changes.
833 (gl_wt_dispatch.rollback): Same.
834
efee0113
TR		 8352012-02-20 Torvald Riegel <triegel@redhat.com>
836
837 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
838
33a03827
TR		 8392012-02-20 Torvald Riegel <triegel@redhat.com>
840
841 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
842 for RfW src. Optimize number of calls to gtm_thr.
843
a19db3f2
TR		 8442012-02-20 Torvald Riegel <triegel@redhat.com>
845
846 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
847 acquisition to ...
848 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
849 (default_dispatch): Make atomic.
850 (GTM::gtm_thread::set_default_dispatch): Access atomically.
851 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
852 use decide_begin_dispatch() if default_dispatch might have changed.
853 (GTM::gtm_thread::number_of_threads_changed): Initialize
854 default_dispatch here.
855
e948a1fb
IS		 8562012-02-15 Iain Sandoe <iains@gcc.gnu.org>
857 Patrick Marlier <patrick.marlier@gmail.com>
858
859 PR libitm/52220
860 * alloc_cpp.cc: No dummy definitions for darwin.
861 * eh_cpp.cc: Likewise.
862
72824d5e
RH		 8632012-02-14 Richard Henderson <rth@redhat.com>
864
865 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
866
1f319dba
UB		 8672012-02-14 Uros Bizjak <ubizjak@gmail.com>
868
869 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
870
31772c95
TR		 8712012-02-14 Torvald Riegel <triegel@redhat.com>
872
873 * libitm_i.h (GTM::gtm_rwlog_entry): New.
874 (GTM::gtm_thread): Add read and write logs.
875 (GTM::dispatch_ml_wt): Declare.
876 * retry.cc (parse_default_method): Support ml_wt.
877 * method-ml.cc: New file.
878 * Makefile.am: Add method-ml.cc.
879 * Makefile.in: Regenerate.
880
5b9cf5d2
TR		 8812012-02-14 Torvald Riegel <triegel@redhat.com>
882
883 * dispatch.h (GTM::abi_dispatch::supports): New.
884 (GTM::method_group::reinit): New.
885 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
886 (GTM::gtm_thread::number_of_threads_changed): Check that the method
887 supports the current situation.
888
7d33bcb7
TR		 8892012-02-14 Torvald Riegel <triegel@redhat.com>
890
891 * util.cc (GTM::xcalloc): New.
892 * common.h (GTM::xcalloc): Declare.
893
62513f7b
EB		 8942012-02-14 Eric Botcazou <ebotcazou@adacore.com>
895
896 * config/sparc/target.h (cpu_relax): Read from CC register.
897 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
898
8992012-02-14 Uros Bizjak <ubizjak@gmail.com>
d4a698d4
UB		 900
901 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
902
f3f5e3c3
EB		 9032012-02-13 Eric Botcazou <ebotcazou@adacore.com>
904
62513f7b 905 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
f3f5e3c3
EB		 906 * config/sparc/cacheline.h: New file.
907 * config/sparc/target.h: Likewise.
908 * config/sparc/sjlj.S: Likewise.
909 * config/linux/sparc/futex_bits.h: Likewise.
910
9112012-02-13 Eric Botcazou <ebotcazou@adacore.com>
255a9a1b
EB		 912
913 * configure.ac (link_itm): Fix comment.
914 * configure: Regenerate.
915 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
916
681355e3
RO		 9172012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
918
fc985d2f 919 PR libitm/51822
62513f7b 920 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
681355e3
RO		 921 Correct libgomp references.
922
999bcff5
TR		 9232012-01-24 Torvald Riegel <triegel@redhat.com>
924
925 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
926 wake-up.
927
9848887a
UB		 9282012-01-24 Uros Bizjak <ubizjak@gmail.com>
929
930 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
931 end of structure.
932 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
933 offset values. Do not copy return address. Decrement stack
934 by 56 bytes only.
935 (GTM_longjump) [__x86_64__]: Update offset values.
936
5752c591
UB		 9372012-01-23 Uros Bizjak <ubizjak@gmail.com>
938
939 PR libitm/51830
940 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
941 the first function argument to %eax.
942
61e72ca4
RO		 9432012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
944
945 * libitm.h (_ITM_getThreadnum): Remove.
946 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
947
9ce91011
RO		 9482012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
949
950 * clearcap.map: New file.
951 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
952 * configure.ac: Call it.
953 Clear HWCAP_LDFLAGS if defaulting to -mavx.
954 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
955 * configure: Regenerate.
956 * Makefile.in: Regenerate.
957 * testsuite/Makefile.in: Regenerate.
958
3b4f05ec
RO		 9592012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
960
961 PR libitm/51173
962 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
963 include, exclude options.
964
aab74ee9
TR		 9652012-01-14 Torvald Riegel <triegel@redhat.com>
966
967 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
968 rolling back.
969 * containers.h (GTM::vector::set_size): New.
970
07b6642b
TR		 9712012-01-14 Torvald Riegel <triegel@redhat.com>
972
973 PR libitm/51855
974 * config/generic/tls.h (GTM::mask_stack_top): New.
975 (GTM::mask_stack_bottom): Declare.
976 * config/generic/tls.c (GTM::mask_stack_bottom): New.
977 * local.cc (gtm_undolog::rollback): Filter out any updates that
978 overlap the libitm stack. Add current transaction as parameter.
979 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
980 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
981 * testsuite/libitm.c/stackundo.c: New test.
982
8377e5e5
RH		 9832012-01-10 Richard Henderson <rth@redhat.com>
984
985 * libitm_i.h (_Unwind_DeleteException): Declare weak.
986 * eh_cpp.cc (_Unwind_DeleteException): Define for
987 !HAVE_ELF_STYLE_WEAKREF.
988
11f30bb0
TR		 9892012-01-08 Torvald Riegel <triegel@redhat.com>
990
991 * local.cc (GTM_LB): Use GTM::gtm_undolog.
992 (GTM::gtm_thread::drop_references_undolog): Remove.
993 (GTM::gtm_thread::commit_undolog,
994 GTM::gtm_thread::rollback_undolog): Move to ...
995 * libitm_i.h (GTM::gtm_undolog): ...here. New.
996 (GTM::gtm_undolog_entry): Remove.
997 (GTM::gtm_thread): Adapt.
998 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
999 (GTM::gtm_thread::trycommit): Adapt.
1000 * method-serial.cc (serial_dispatch::log): Adapt.
1001 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1002 (gl_wt_dispatch::store): Fix likely/unlikely.
1003 * containers.h (GTM::vector::resize): Add additional_capacity
1004 parameter and handle it.
1005 (GTM::vector::resize_noinline): New/adapt.
1006 (GTM::vector::push): New.
1007
a32e5e93
RH		 10082012-01-06 Richard Henderson <rth@redhat.com>
1009
1010 * configure.tgt: Support powerpc-linux and powerpc-darwin.
1011 * config/linux/powerpc/futex_bits.h: New file.
1012 * config/powerpc/cacheline.h: New file.
1013 * config/powerpc/sjlj.S: New file.
1014 * config/powerpc/target.h: New file.
1015 * config/generic/asmcfi.h (cfi_offset): New.
1016 (cfi_restore, cfi_undefined): New.
1017
1f53a8e6
AH		 10182012-01-05 Aldy Hernandez <aldyh@redhat.com>
1019
1020 PR other/51171
1021 * testsuite/libitm.c/reentrant.c: Remove xfail.
1022 (thread): Pass x to pure().
be223aaf 1023 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 1024
c898f7b8
TR		 10252011-12-24 Torvald Riegel <triegel@redhat.com>
1026
1027 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1028 privatization safety if already in serial mode.
1029
610e3901
TR		 10302011-12-24 Torvald Riegel <triegel@redhat.com>
1031
1032 * beginend.cc (GTM::gtm_thread::restart): Add and handle
1033 finish_serial_upgrade parameter.
1034 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1035 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1036 Don't unset reader flag.
1037 (GTM::gtm_rwlock::write_upgrade_finish): New.
1038 * config/posix/rwlock.cc: Same.
1039 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1040 Declare.
1041 * config/posix/rwlock.h: Same.
1042 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1043 flag after commit or after rollback when restarting.
1044
799142bf
TR		 10452011-12-24 Torvald Riegel <triegel@redhat.com>
1046
1047 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1048 (GTM::gtm_thread::try_commit): Changed memory order.
1049 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1050 as parameter.
1051 * config/linux/x86/futex_bits.h (sys_futex0): Same.
1052 * config/linux/sh/futex_bits.h (sys_futex0): Same.
1053 * config/linux/futex_bits.h (sys_futex0): Same.
1054 * config/linux/futex.cc (futex_wait, futex_wake): Same.
1055 * config/linux/futex.h (futex_wait, futex_wake): Same.
1056 * config/linux/rwlock.h (gtm_rwlock::writers,
1057 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1058 ints.
1059 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1060 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1061 gtm_rwlock::write_unlock): Fix memory orders and fences.
1062 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1063 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1064 gtm_rwlock::write_unlock): Same.
1065 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1066 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1067 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1068 Add comments.
1069 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1070 gl_wt_dispatch::load, gl_wt_dispatch::store,
1071 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1072 orders and fences. Add comments.
1073
b0f96e35
JJ		 10742011-12-21 Jakub Jelinek <jakub@redhat.com>
1075
1076 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1077 * Makefile.in: Regenerated.
1078
cc163247
KK		 10792011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
1080
1081 * configure.tgt: Add sh* case.
1082 * config/sh/target.h: New file.
1083 * config/sh/sjlj.S: New file.
1084 * config/linux/sh/futex_bits.h: New file.
1085
aebac0ca
RH		 10862011-12-14 Richard Henderson <rth@redhat.com>
1087
1088 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1089 * config/arm/sjlj.S, config/arm/target.h: New files.
1090 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1091 (cfi_rel_offset): New.
1092 * config/linux/futex_bits.h: New file.
1093 * config/linux/futex.cc: Include futex_bits.h here...
1094 * config/linux/futex.h: ... not here.
1095 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1096 * configure.ac (ARCH_AM): New conditional.
1097 * Makefile.in, configure: Rebuild.
1098 * configure.tgt: Handle ARM.
1099
36cfbee1
RH		 11002011-12-13 Richard Henderson <rth@redhat.com>
1101
5d9d05d3
RH		 1102 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1103 signed/unsigned comparison werror.
1104
36cfbee1
RH		 1105 * local_atomic: New file.
1106 * libitm_i.h: Include it.
1107 (gtm_thread::shared_state): Use atomic template.
1108 * beginend.cc (GTM::gtm_clock): Use atomic template.
1109 (global_tid): Use atomic template if 64-bit atomics available.
1110 (gtm_thread::gtm_thread): Update shared_state access.
1111 (gtm_thread::trycommit): Likewise.
1112 (choose_code_path): Update global_tid access.
1113 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
1114 * stmlock.h (GTM::gtm_clock): Use atomic template.
1115 (gtm_get_clock, gtm_inc_clock): Update accesses.
1116 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1117 redundant __sync_synchronize after atomic shared_state access.
1118 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1119 (gtm_rwlock::write_lock_generic): Likewise.
1120 (gtm_rwlock::read_unlock): Likewise.
1121 * config/alpha/target.h (atomic_read_barrier): Remove.
1122 (atomic_write_barrier): Remove.
1123 * config/x86/target.h (atomic_read_barrier): Remove.
1124 (atomic_write_barrier): Remove.
1125
062f93f2
RH		 11262011-11-30 Richard Henderson <rth@redhat.com>
1127
1128 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1129 * beginend.c (_ITM_abortTransaction): Update to match.
1130 (GTM::gtm_thread::restart): Likewise.
1131 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1132 * config/x86/sjlj.S (GTM_longjmp): Likewise.
1133
bd8aaa86
IS		 11342011-11-23 Iain Sandoe <iains@gcc.gnu.org>
1135
1136 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1137 * Makefile.in: Regenerate.
1138
8cf36bb3
IS		 11392011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1140
1141 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1142 * alloc_cpp.cc: Generate dummy functions if we don't
1143 HAVE_ELF_STYLE_WEAKREF.
1144 * eh_cpp.cc: Likewise.
1145 * configure: Regenerate.
1146 * aclocal.m4: Likewise.
1147 * config.h.in: Likewise.
1148 * Makefile.in: Likewise.
1149 * testsuite/Makefile.in: Likewise.
1150
0b41ebef
IS		 11512011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1152
1153 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1154 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 1155 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 1156 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1157 in portability to non-elf targets.
8cf36bb3 1158 (GTM_longjmp): Likewise.
0b41ebef
IS		 1159 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1160 where required.
1161
9c9d352a
IS		 11622011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1163
1164 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1165 * testsuite/libitm.c/memset-1.c: Likewise.
1166
c6084f68
AT		 11672011-11-21 Andreas Tobler <andreast@fgznet.ch>
1168
1169 * configure: Regenerate.
1170
adcd36bc
RO		 11712011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1172
1173 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1174 (LIBITM_ENABLE_SYMVERS): Handle sun style.
1175 * Makefile.am: Handle sun style versioning.
1176 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1177 * configure: Regenerate.
1178 * Makefile.in: Regenerate.
1179
59659b59
RO		 11802011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1181
1182 * config/generic/asmcfi.h: Fix comment.
1183 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1184 sequence without .hidden support, error for non-ELF targets.
1185 (GTM_longjmp) [__ELF__]: Only use .hidden if
1186 HAVE_ATTRIBUTE_VISIBILITY.
1187
d846e425
RO		 11882011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1189
1190 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1191 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1192 Dummy functions.
1193 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1194 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1195
80713347
UB		 11962011-11-16 Uros Bizjak <ubizjak@gmail.com>
1197
1198 PR bootstrap/51098
1199 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1200 * configure: Regenerate.
1201
2841f85e
L		 12022011-11-14 H.J. Lu <hongjiu.lu@intel.com>
1203
1204 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1205
8851b429
RO		 12062011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1207
1208 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1209 .hidden.
1210 (.note.GNU-stack): Only use if __linux__.
1211 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1212 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1213 * testsuite/libitm.c/reentrant.c: Likewise.
1214 * testsuite/libitm.c/simple-2.c: Likewise.
1215 * testsuite/libitm.c/txrelease.c: Likewise.
1216 * testsuite/libitm.c++/static_ctor.C: Likewise.
1217
d4b17902
RH		 12182011-11-10 Richard Henderson <rth@redhat.com>
1219
1220 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
1221 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1222 * configure.ac (ARCH_X86_AVX): New conditional.
1223 * Makefile.in, configure: Rebuild.
1224
430616e7
RH		 12252011-11-09 Richard Henderson <rth@redhat.com>
1226
1227 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1228 * configure.ac: Use it.
1229 * config.h.in, configure: Rebuild.
1230 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1231
79b1edb6
RH		 12322011-11-09 Richard Henderson <rth@redhat.com>
1233
1234 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1235 * config/alpha/unaligned.h: Remove file.
1236 * config/generic/unaligned.h: Remove file.
1237 * config/x86/unaligned.h: Remove file.
1238 * config/generic/cachepage.h: Remove file.
1239 * config/posix/cachepage.cc: Remove file.
1240 * config/generic/cacheline.cc: Remove file.
1241 * config/x86/cacheline.cc: Remove file.
1242 * config/generic/cacheline.h (gtm_cacheline): Remove the
1243 store_mask, copy_mask, copy_mask_wb methods.
1244 * config/x86/cacheline.h: Likewise.
1245 * config/alpha/cacheline.h: Fall back to generic after setting size.
1246 * config/generic/tls.cc (gtm_mask_stack): Remove.
1247 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1248 (GTM_vpalignr_table): Remove.
1249 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1250 (GTM_pshift_table): Remove.
1251 * config/libitm_i.h: Don't include cachepage.h.
1252 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1253 * Makefile.in, testsuite/Makefile.in: Rebuild.
1254
4bdd090f
RH		 12552011-11-09 Richard Henderson <rth@redhat.com>
1256
8ee9fac2
RH		 1257 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1258 to emit branch prediction hint.
1259
9bdc6343
RH		 1260 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1261 Protect .note.GNU-stack with __linux__.
1262
4bdd090f
RH		 1263 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1264 * configure, aclocal.m4, config.h.in: Rebuild.
1265 * config/generic/asmcfi.h: New file.
1266 * config/x86/sjlj.S: Use it.
1267
4408b086
RH		 12682011-11-08 Richard Henderson <rth@redhat.com>
1269
1270 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1271
01f3428c
RH		 12722011-11-08 Richard Henderson <rth@redhat.com>
1273
3d3b05ff
RH		 1274 * configure.tgt: Test correct directory for supported cpus.
1275
01f3428c
RH		 1276 * configure.ac: Exit if unsupported.
1277 * configure: Rebuild.
1278 * configure.tgt: Delete boilerplate from libgomp for unsupported
1279 targets. Set UNSUPPORTED for unsupported targets.
1280
07f03cd3
RO		 12812011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1282
1283 * configure.tgt: Handle i386 like i[456]86.
1284 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1285 take address.
1286 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1287 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1288
0a35513e
AH		 12892011-11-05 Aldy Hernandez <aldyh@redhat.com>
1290
1291 * method-wbetl.cc: Update copyright notice.
1292 * aatree.cc: Same.
1293 * util.cc: Same.
1294 * libitm.h: Same.
1295 * memset.cc: Same.
1296 * eh_cpp.cc: Same.
1297 * barrier.tpl: Same.
1298 * useraction.cc: Same.
1299 * stmlock.h: Same.
1300 * memcpy.cc: Same.
1301 * common.h: Same.
1302 * config/generic/tls.cc: Same.
1303 * config/generic/cacheline.h: Same.
1304 * config/generic/cachepage.h: Same.
1305 * config/generic/cacheline.cc: Same.
1306 * config/generic/unaligned.h: Same.
1307 * config/x86/cacheline.h: Same.
1308 * config/x86/cacheline.cc: Same.
1309 * config/x86/unaligned.h: Same.
1310 * config/alpha/cacheline.h: Same.
1311 * config/alpha/unaligned.h: Same.
1312 * config/alpha/sjlj.S: Same.
1313 * config/posix/cachepage.cc: Same.
1314 * config/linux/futex.h: Same.
1315 * config/linux/alpha/futex_bits.h: Same.
1316
13172011-11-04 Torvald Riegel <triegel@redhat.com>
1318
1319 * libitm.texi: No cover text and invariant sections.
1320
13212011-11-03 Richard Henderson <rth@redhat.com>
1322
1323 * local_type_traits: New file.
1324 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1325
13262011-11-03 Richard Henderson <rth@redhat.com>
1327
1328 * configure.ac: Don't test for gfortran.
1329 * configure: Rebuild.
1330
1331 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1332 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1333
13342011-11-03 Aldy Hernandez <aldyh@redhat.com>
1335
1336 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1337 * testsuite/libitm.c/memset-1.c: Same.
1338 * testsuite/libitm.c/c.exp: Same.
1339 * testsuite/lib/libitm-dg.exp: Same.
1340 * testsuite/lib/libitm.exp: Same.
1341 * testsuite/libitm.c++/c++.exp: Same.
1342
13432011-11-03 Aldy Hernandez <aldyh@redhat.com>
1344
1345 * testsuite/config/default.exp: Update copyright date.
1346 * configure.ac: Add copyright info.
1347 * configure.tgt: Same.
1348
13492011-11-03 Aldy Hernandez <aldyh@redhat.com>
1350
1351 * testsuite/libitm.c/reentrant.c: XFAIL.
1352 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1353
13542011-10-29 Torvald Riegel <triegel@redhat.com>
1355
1356 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1357 handle aborts.
1358 (_ITM_abortTransaction): Handle aborts of outer transactions.
1359 * libitm_i.h: Same.
1360 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1361 * libitm.texi: Document aborts of outer transactions.
1362 * testsuite/libitm.c/cancel.c: New file.
1363
13642011-10-19 Torvald Riegel <triegel@redhat.com>
1365
1366 * testsuite/*: Change __transaction to __transaction_atomic or
1367 __transaction_relaxed.
1368
13692011-10-19 Torvald Riegel <triegel@redhat.com>
1370
1371 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1372 (gtm_thr): Same.
1373
13742011-10-19 Torvald Riegel <triegel@redhat.com>
1375
1376 * libitm_i.h: Add gl_wt dispatch.
1377 * retry.cc (parse_default_method): Same.
1378 * method-gl.cc: New file.
1379 * Makefile.am: Use method-gl.cc.
1380 * Makefile.in: Rebuild.
1381
13822011-10-19 Torvald Riegel <triegel@redhat.com>
1383
1384 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1385 safety if requested by a TM method.
1386 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1387 privatization safety.
1388 * method-serial.cc: Same.
1389
13902011-10-19 Torvald Riegel <triegel@redhat.com>
1391
1392 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1393 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1394 undolog-related member functions from *_local to *_undolog.
1395 * local.cc (gtm_thread::commit_undolog): Same.
1396 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1397 (GTM::gtm_thread::rollback): Roll back undolog before
1398 dispatch-specific rollback.
1399
14002011-10-19 Torvald Riegel <triegel@redhat.com>
1401
1402 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1403 re-initialization of the current method group.
1404 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1405
14062011-10-19 Torvald Riegel <triegel@redhat.com>
1407
1408 * alloc.cc (commit_allocations_2): Do not free transaction-local
1409 memory when committing a nested transaction.
1410
14112011-10-19 Torvald Riegel <triegel@redhat.com>
1412
1413 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1414 serial-irrevocable dispatch, not serial.
1415
14162011-10-19 Torvald Riegel <triegel@redhat.com>
1417
1418 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1419 declarations.
1420 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1421 * method-serial.cc: Implement begin_or_restart().
1422 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1423 dispatch-specific begin_or_restart().
1424 (GTM::gtm_thread::restart): Same.
1425
14262011-08-23 Torvald Riegel <triegel@redhat.com>
1427
1428 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1429 restarting without switching to serial mode.
1430 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1431 transaction state. Choose closed-nesting alternative if available.
1432 (GTM::gtm_thread::set_default_dispatch): New.
1433 (parse_default_method): New.
1434 (GTM::gtm_thread::number_of_threads_changed): New.
1435 * method-serial.cc (GTM::serial_mg): New method group class.
1436 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1437 fini.
1438 (GTM::serial_dispatch): Same.
1439 (GTM::serialirr_onwrite_dispatch): Same.
1440 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1441 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1442 registered threads.
1443 (GTM::gtm_thread::gtm_thread): Same.
1444 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1445 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1446 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1447 choose dispatch but set state according to dispatch here.
1448 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1449 (GTM::method_group): New class.
1450 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1451 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1452 * libitm.texi: Document TM methods, method groups, method life cycle.
1453 Rename method sets to method groups.
1454
14552011-08-23 Torvald Riegel <triegel@redhat.com>
1456
1457 * config/x86/tls.h: Moved to ...
1458 * config/linux/x86/tls.h: ... here.
1459
14602011-08-23 Torvald Riegel <triegel@redhat.com>
1461
1462 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1463 Add X32 support.
1464 * config/x86/sjlj.S: Same.
1465
14662011-08-19 Torvald Riegel <triegel@redhat.com>
1467
1468 * config/linux/rwlock.h: New file.
1469 * config/linux/rwlock.c: New file.
1470 * configure.ac: Reenable futex support (undo SVN rev 157758).
1471 * Makefile.am: Same.
1472 * configure.tgt: Same.
1473 * config/linux/alpha/futex_bits.h: Same.
1474 * config/linux/futex.h: Same. Return number of woken processes.
1475 * config/linux/futex.cc: Same.
1476 (futex_wait): Remove spinning.
1477 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1478 Use __x86_64__ instead of __LP64__.
1479 * aclocal.m4: Include generic futex checks.
1480 * configure: Rebuild.
1481 * Makefile.in: Rebuild.
1482 * testsuite/Makefile.in: Rebuild.
1483 * beginend.cc: Include pthread.h.
1484 * config/posix/cachepage.cc: Same.
1485
14862011-08-12 Torvald Riegel <triegel@redhat.com>
1487
1488 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1489 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1490 (set_gtm_thr): New.
1491 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1492 (set_gtm_thr): New.
1493 (GTM::gtm_thread::thread_num): Removed.
1494 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1495 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1496 tx-to-thread renaming.
1497 * beginend.cc: Adapted to tx-to-thread renaming.
1498 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1499 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1500 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1501 gtm_transaction to gtm_thread.
1502 (_ITM_getThreadnum): Removed. Not supported anymore.
1503 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1504 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1505 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1506 gtm_tx-to-gtm_thr renaming if necessary.
1507 * eh_cpp.cc: Same.
1508 * local.cc: Same.
1509 * retry.cc: Same.
1510 * clone.cc: Same.
1511 * alloc.cc: Same.
1512 * alloc_c.cc: Same.
1513 * alloc_cpp.cc: Same.
1514 * method-serial.cc: Same.
1515 * config/generic/tls.cc: Same.
1516 * config/posix/rwlock.h (gtm_rwlock): Same.
1517 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1518
15192011-08-12 Torvald Riegel <triegel@redhat.com>
1520
1521 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1522 implementation.
1523 (gtm_rwlock::read_unlock): Same.
1524 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1525 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1526 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1527 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1528 w_upgrade. Replaced by per-transaction flags (in shared_state).
1529 Added c_confirmed_writers.
1530 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1531 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1532 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1533 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1534 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1535 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1536 * libitm.texi: Document locking conventions and implementations in
1537 libitm.
1538
15392011-08-12 Torvald Riegel <triegel@redhat.com>
1540
1541 * libitm_i.h (next_tx): Add list of all threads' transaction.
1542 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1543 transaction with list of transactions and ...
1544 (thread_exit_handler): ... deregister here.
1545 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1546 * config/x86/target.h: Same.
1547
15482011-08-12 Torvald Riegel <triegel@redhat.com>
1549
1550 * testsuite/libitm.c++/static_ctor.C: New file.
1551
15522011-08-12 Torvald Riegel <triegel@redhat.com>
1553
1554 * testsuite/libitm.c/reentrant.c: New file.
1555
15562011-08-12 Torvald Riegel <triegel@redhat.com>
1557
1558 * config/generic/tls.h: Remove the free list for transactions and ...
1559 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1560 (GTM::gtm_transaction::operator delete): ... and release here.
1561 (thread_exit_handler): New. Delete tx when thread terminates.
1562 (thread_exit_init): New.
1563 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1564 * testsuite/libitm.c/txrelease.c: New file.
1565
15662011-08-12 Torvald Riegel <triegel@redhat.com>
1567
1568 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1569 * testsuite/libitm.c/notx.c: New file.
1570
15712011-08-12 Torvald Riegel <triegel@redhat.com>
1572
1573 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1574 * libitm_i.h (local_tid): ... to here.
1575 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1576 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1577
15782011-08-12 Torvald Riegel <triegel@redhat.com>
1579
1580 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1581 serialirr_onwrite_dispatch as new default for now.
1582 * method-serial.cc (serialirr_onwrite_dispatch): New.
1583 (GTM::dispatch_serialirr_onwrite): New.
1584 * libitm_i.h: Same.
1585
15862011-08-12 Torvald Riegel <triegel@redhat.com>
1587
1588 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1589 * query.cc (_ITM_getTransactionId): There is no active transaction if
1590 the current nesting level is zero.
1591
15922011-07-28 Torvald Riegel <triegel@redhat.com>
1593
1594 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1595 rollback.
1596
15972011-07-28 Torvald Riegel <triegel@redhat.com>
1598
1599 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1600 transaction properties from the caller instead of from the
1601 transaction object.
1602 * libitm_i.h: Same.
1603 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1604
16052011-07-28 Torvald Riegel <triegel@redhat.com>
1606
1607 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1608 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1609 * dispatch.h: Same.
1610 * method-serial.cc: Same.
1611 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1612 flat nesting as default, and closed nesting on demand.
1613 (GTM::gtm_transaction::rollback): Same.
1614 (_ITM_abortTransaction): Same.
1615 (GTM::gtm_transaction::restart): Same.
1616 (GTM::gtm_transaction::trycommit): Same.
1617 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1618 (choose_code_path): New.
1619 (GTM::gtm_transaction_cp::save): New.
1620 (GTM::gtm_transaction_cp::commit): New.
1621 * query.cc (_ITM_inTransaction): Support flat nesting.
1622 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1623 (GTM::gtm_transaction): Support flat and closed nesting.
1624 * alloc.cc (commit_allocations_2): New.
1625 (commit_cb_data): New helper struct.
1626 (GTM::gtm_transaction::commit_allocations): Handle nested
1627 commits/rollbacks.
1628 * libitm.texi: Update user action section, add description of nesting.
1629
16302011-07-28 Torvald Riegel <triegel@redhat.com>
1631
1632 * libitm_i.h: Add closed nesting as restart reason.
1633 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1634
16352011-07-28 Torvald Riegel <triegel@redhat.com>
1636
1637 * useraction.cc: Use vector instead of list to store actions.
1638 Also support partial rollbacks for closed nesting.
1639 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1640 * beginend.cc: Same.
1641
16422011-07-28 Torvald Riegel <triegel@redhat.com>
1643
1644 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1645 closed_nesting flags, as well as a closed nesting alternative.
1646 * method-serial.cc: Same.
1647 (serial_dispatch): Renamed to serialirr_dispatch.
1648 (GTM::dispatch_serialirr): Same.
1649 (serial_dispatch_ul): Renamed to serial_dispatch.
1650 (GTM::dispatch_serial): Same.
1651
16522011-07-28 Torvald Riegel <triegel@redhat.com>
1653
1654 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1655
16562011-07-28 Torvald Riegel <triegel@redhat.com>
1657
1658 * aatree.h (aa_tree::remove): New.
1659 (aa_tree::operator new): Add placement new.
1660
16612011-07-02 Torvald Riegel <triegel@redhat.com>
1662
1663 * containers.h: New file.
1664 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1665 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1666 * common.h: ... to here.
1667 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1668 * local.cc: Same.
1669
16702011-06-30 Torvald Riegel <triegel@redhat.com>
1671
1672 * libitm_i.h (STATE_ABORTING): Remove.
1673 * beginend.cc (_ITM_abortTransaction): Same.
1674 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1675 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1676 (_ITM_rollbackTransaction): Remove.
1677 * beginend.cc: Same.
1678 * libitm.map: Same.
1679 * libitm.texi: Document these ABI changes.
1680
16812011-06-30 Torvald Riegel <triegel@redhat.com>
1682
1683 * libitm.texi: New file.
1684 * Makefile.am: Add libitm.texi.
1685 * Makefile.in: Rebuild.
1686
16872011-06-30 Torvald Riegel <triegel@redhat.com>
1688
1689 * libitm_i.h: Move parts to common.h and dispatch.h.
1690 * common.h: New file.
1691 * dispatch.h: New file, new dispatch class.
1692 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1693 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1694 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1695 decision to retry.cc.
1696 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1697 only.
1698 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1699 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1700 logging.
1701 * barrier.cc: Use new barriers definitions.
1702 (abi_dispatch::memmove_overlap_check): New.
1703 * config/x86/x86_sse.cc: Same.
1704 * config/x86/x86_avx.cc: Same.
1705 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1706 memcpy.cc.
1707 * Makefile.in: Rebuild.
1708 * method-readonly.cc: Remove.
1709 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1710 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1711
17122011-06-30 Torvald Riegel <triegel@redhat.com>
1713
1714 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1715 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1716 * testsuite/libitm.c/dropref-2.c: Same.
1717 * testsuite/libitm.c/dropref.c: Same.
1718
17192011-06-30 Torvald Riegel <triegel@redhat.com>
1720
1721 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1722 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1723 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1724 * alloc_c.cc: Same.
1725 * barrier.tpl: Same.
1726 * beginend.c: Same.
1727 * config/generic/tls.h: Same.
1728 * config/x86/tls.h: Same.
1729 * libitm_i.h: Same.
1730 * memcpy.cc: Same.
1731 * memset.cc: Same.
1732 * method-readonly.cc: Same.
1733 * method-serial.cc: Same.
1734 * method-wbetl.cc: Same.
1735 * retry.cc: Same.
1736
17372011-03-03 Richard Henderson <rth@redhat.com>
1738
1739 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1740 From Patrik Marlier <patrick.marlier@unine.ch>.
1741
17422011-02-03 Richard Henderson <rth@redhat.com>
1743
1744 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1745 * configure.ac: Use it.
1746 * configure, config.h.in: Rebuild.
1747 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1748 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1749 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1750 * libitm.map: Use wildcards to match size_t mangling.
1751
17522010-12-14 Richard Henderson <rth@redhat.com>
1753
1754 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1755 blocks of TIDs per thread.
1756 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1757 (setup_gtm_thr): Return the thread structure.
1758 * config/x86/tls.h (setup_gtm_thr): Likewise.
1759
17602010-12-14 Richard Henderson <rth@redhat.com>
1761
1762 * clone.cc (table_lock): Remove.
1763 (find_clone): Don't take it.
1764 (ExcludeTransaction): New helper class.
1765 (_ITM_registerTMCloneTable): Use it.
1766 (_ITM_deregisterTMCloneTable): Likewise.
1767
17682010-12-14 Richard Henderson <rth@redhat.com>
1769
1770 * config/x86/tls.h: New file.
1771
17722010-07-15 Richard Henderson <rth@redhat.com>
1773
1774 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1775 * Makefile.in: Rebuild.
1776
17772010-07-13 Aldy Hernandez <aldyh@redhat.com>
1778
1779 * method-wbetl.cc (trydropreference): Fix source line.
1780
17812010-07-13 Aldy Hernandez <aldyh@redhat.com>
1782
1783 * libitm.h: Add comment.
1784 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1785
17862010-07-07 Aldy Hernandez <aldyh@redhat.com>
1787
1788 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1789 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1790 available, use pthread mutexes.
1791 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1792 * config.h.in: Regenerate.
1793 * configure: Regenerate.
1794
17952010-07-06 Aldy Hernandez <aldyh@redhat.com>
1796
1797 * libitm.h (ITM_PURE): Define.
1798 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1799
18002010-06-28 Aldy Hernandez <aldyh@redhat.com>
1801
1802 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1803 (validate): Add comment.
1804 (trydropreference): New.
1805 * method-readonly.cc (class readonly_dispatch): Add
1806 trydropreference.
1807 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1808 Call trydropreference().
1809 * libitm.h (_ITM_dropReferences): Remove const attribute.
1810 * method-serial.cc (class serial_dispatch): Add trydropreference.
1811 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1812
18132010-06-28 Aldy Hernandez <aldyh@redhat.com>
1814
1815 * memcpy.cc (do_memcpy): Comment.
1816
18172010-06-25 Aldy Hernandez <aldyh@redhat.com>
1818
1819 * barrier.tpl: Add comments throughout.
1820
18212010-06-24 Aldy Hernandez <aldyh@redhat.com>
1822
1823 * method-wbetl.cc (struct w_entry): Add comments.
1824 (trycommit): Same.
1825 (rollback): Same.
1826
18272010-06-24 Aldy Hernandez <aldyh@redhat.com>
1828
1829 * alloc_c.cc (_ITM_dropReferences): New.
1830 * libitm.map (_ITM_dropReferences): Add.
1831 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1832 * libitm_i.h (struct gtm_transaction): Declare
1833 drop_references_allocations and drop_references_local.
1834 * local.cc (rollback_local): Ignore memory when applicable.
1835 (drop_references_local): New.
1836
18372010-06-23 Richard Henderson <rth@redhat.com>
1838
1839 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1840 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1841 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1842 * config/alpha/target.h: Likewise.
1843 * config/generic/tls.cc (gtm_mask_stack): Use it.
1844
18452010-06-23 Richard Henderson <rth@redhat.com>
1846
1847 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1848 a mutex instead of trying a lock-free compare-and-swap on the list.
1849 (gtm_cacheline_page::operator delete): Likewise.
1850
18512010-06-16 Richard Henderson <rth@redhat.com>
1852
1853 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1854 that overlap the libitm stack.
1855 * barrier.tpl: Mark incoming stack.
1856 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1857 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1858 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1859 * memcpy.cc, memset.cc: Likewise.
1860 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1861 * config/generic/tls.h (gtm_thread): Add stack_top member.
1862 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1863 * libitm_i.h (gtm_mask_stack): Declare.
1864 * config/generic/tls.cc: New file.
1865 * Makefile.am (libitm_la_SOURCES): Add it.
1866 (AM_CXXFLAGS): Turn off exceptions.
1867 * Makefile.in: Rebuild.
1868
18692010-06-16 Richard Henderson <rth@redhat.com>
1870
1871 * alloc.cc (struct gtm_alloc_action): Move definition ...
1872 * libitm_i.h: ... here.
1873 (class gtm_transaction): Declare new and delete.
1874 * beginend.cc (alloc_tx): Reformulate as operator new.
1875 (free_tx): Reformulate as operator delete.
1876 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1877
18782010-06-11 Richard Henderson <rth@redhat.com>
1879
1880 * clone.cc (clone_entry_compare): Fix typo.
1881 From Patrik Marlier <patrick.marlier@unine.ch>.
1882
18832010-05-13 Richard Henderson <rth@redhat.com>
1884
1885 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1886 in extern "C".
1887
18882010-05-07 Aldy Hernandez <aldyh@redhat.com>
1889
1890 * libitm_i.h (struct gtm_transaction): Remove
1891 get_allocation_size.
1892 (record_allocation): Remove size parameter.
1893 * libitm.map (_ITM_realloc): Remove.
1894 * alloc_c.cc (_ITM_realloc): Remove.
1895 (_ITM_malloc): Remove size argument to record_allocation.
1896 (_ITM_calloc): Same.
1897 * alloc_cpp.cc (_ZGTtnwm): Same.
1898 (_ZGTtnwmRKSt9nothrow_t): Same.
1899 (_ZGTtnam): Same.
1900 (_ZGTtnamRKSt9nothrow_t): Same.
1901 * alloc.cc (struct gtm_alloc_action): Remove size.
1902 (get_allocation_size): Remove.
1903 (commit_allocations): Add comment.
1904 (record_allocation): Remove size parameter.
1905 (forget_allocation): Remove set of size.
1906
19072010-04-19 Aldy Hernandez <aldyh@redhat.com>
1908
1909 * Makefile.am (abi_version): New.
1910 (AM_CXXFLAGS): Pass abi_version.
1911 * Makefile.in: Regenerate.
1912 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1913
19142010-04-06 Aldy Hernandez <aldyh@redhat.com>
1915
1916 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1917 _ITM_getTMCloneOrIrrevokable.
1918 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1919 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1920
19212010-03-26 Aldy Hernandez <aldyh@redhat.com>
1922
1923 * configure.ac: Remove Linux futex support.
1924 * configure.tgt (config_path): Same.
1925 * Makefile.am: Same.
1926 * config/linux: Remove entire directory.
1927 * configure: Rebuild.
1928 * Makefile.in: Rebuild.
1929 * testsuite/Makefile.in: Rebuild.
1930
19312010-03-09 Aldy Hernandez <aldyh@redhat.com>
1932
1933 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1934 switching to serial mode.
1935 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1936
19372010-03-03 Aldy Hernandez <aldyh@redhat.com>
1938
1939 * configure.tgt: Add emacs -*- tags.
1940 * barrier.tpl: Same.
1941
19422010-02-23 Aldy Hernandez <aldyh@redhat.com>
1943
1944 * Makefile.am: Rename serial.cc to method-serial.cc.
1945 * Makefile.in: Regenerate with automake 1.11.1.
1946 * testsuite/Makefile.in: Same.
1947 * aclocal.m4: Regenerate with aclocal 1.11.1.
1948 * method-serial.cc: Rename from serial.cc.
1949 * libitm_i.h (struct gtm_transaction): Update comment on
1950 serialirr_mode.
1951
19522010-02-22 Aldy Hernandez <aldyh@redhat.com>
1953
1954 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1955 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1956
19572010-02-11 Aldy Hernandez <aldyh@redhat.com>
1958
1959 * configure: Rebuild.
1960
19612009-11-12 Richard Henderson <rth@redhat.com>
1962
1963 * Rewrite everything in C++.
1964
19652009-11-03 Richard Henderson <rth@redhat.com>
1966
1967 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1968 * Makefile.am (libitm_la_SOURCES): Add them.
1969 * configure.ac (ARCH_X86): New conditional.
1970 * Makefile.in, configure: Rebuild.
1971 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1972 Move futex setup into "other system configury" case.
1973 * local.c (rollback_local): Merge into ...
1974 (GTM_rollback_local): ... here.
1975 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1976 (_ITM_LB): Define as an alias to GTM_LB.
1977
19782009-11-03 Richard Henderson <rth@redhat.com>
1979
1980 * method-readonly.c: New file.
1981 * Makefile.am (libitm_la_SOURCES): Add it.
1982 * Makefile.in: Rebuild.
1983 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1984 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1985 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1986 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1987 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1988 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1989 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1990 gtm_get_clock, gtm_inc_clock): New.
1991 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1992 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1993 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1994 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1995 replace uses with new libitm_i.h symbols.
1996 (dispatch_wbetl): Rename from wbetl_dispatch.
1997 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1998 away from dispatch_readonly; abort if the beginTransaction call
1999 asserted that the transaction was readonly.
2000
20012009-11-03 Richard Henderson <rth@redhat.com>
2002
2003 * memset.c: New file.
2004 * Makefile.am (libitm_la_SOURCES): Add it.
2005 * Makefile.in: Rebuild.
2006 * testsuite/libitm.c/memset-1.c: New.
2007
20082009-11-03 Richard Henderson <rth@redhat.com>
2009
2010 * dispatch.c: Remove file.
2011 * useraction.c (struct gtm_user_action): Move from libitm.h.
2012 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2013 (serial_memset, serial_memmove, serial_memcpy): Remove.
2014 (serial_W*, serial_R*): Remove.
2015 (serial_dispatch): Update to match.
2016 * configure.ac: Move Werror down below configure checks. Don't
2017 check for sys/loadavg.h, do check for malloc.h. Don't check for
2018 getloadavg and clock_gettime; do check for memalign, posix_memalign.
2019 Use GCC_AC_FUNC_MMAP_BLACKLIST
2020 * libitm.h: Split out all internal items to...
2021 * libitm_i.h: ... here. New file.
2022 * copymask.c: New file.
2023 * local.c (struct gtm_local_undo): Move from libitm.h.
2024 (GTM_alloc_local): Rename from alloc_local; export.
2025 * memcpy.c: New file.
2026 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2027 * config/posix/page.c: New file.
2028 * config/posix/target_tls.h: Remove file.
2029 * barrier.c: New file.
2030 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2031 copymask.c, page.c.
2032 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2033 * method-wbetl.c: Rewrite for new cacheline methods.
2034 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2035
2036 * config/alpha/sjlj.S: Fix typo.
2037 * config/alpha/target_i.h: Copy functions from alpha/target.h.
2038 * config/alpha/copymask.c: New file.
2039 * config/alpha/target.h (CACHELINE_SIZE): New.
2040 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2041
2042 * config/x86/target_i.h: Copy functions from x86/target.h.
2043 * config/x86/copymask.c: New file.
2044 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2045 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2046 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2047 * config/x86/target_tls.h: Move contents to target_i.h.
2048
2049 * testsuite/libitm.c/clone-1.c: Include libitm.h.
2050 * testsuite/libitm.c/memcpy-1.c: New.
2051
20522009-10-22 Richard Henderson <rth@redhat.com>
2053
2054 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2055 (AM_CCASFLAGS): New.
2056 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
2057 saving/restoring _AC_ARG_VAR_PRECIOUS.
2058 * Makefile.in, aclocal.m4, config.h.in, configure,
2059 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2060
20612009-10-22 Richard Henderson <rth@redhat.com>
2062
2063 * testsuite/*: Update for new compiler syntax.
2064
20652009-10-21 Richard Henderson <rth@redhat.com>
2066
2067 * libitm.h (_ITM_abortReason): Add outerAbort.
2068
20692009-08-03 Richard Henderson <rth@redhat.com>
2070
2071 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2072 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2073 * method-wbetl.c (struct w_entry): Remove mask.
2074 (wbetl_write, wbetl_load): Return pointer to word containing the data;
2075 adjust all callers.
2076
20772009-07-22 Richard Henderson <rth@redhat.com>
2078
2079 * eh_cpp.c: New file.
2080 * Makefile.am (libitm_la_SOURCES): Add it.
2081 * Makefile.in: Rebuild.
2082 * beginend.c (GTM_rollback_transaction): Undo exception state.
2083 (GTM_trycommit_transaction): Mark inline.
2084 (GTM_trycommit_and_finalize_transaction): Split out from ...
2085 (_ITM_commitTransaction): ... here.
2086 (_ITM_commitTransactionEH): New function.
2087 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2088 cxa_unthrown, eh_in_flight; reorder.
2089
2090 * testsuite/libitm.c++/c++.exp: New.
2091 * testsuite/libitm.c++/eh-1.C: New.
2092
2093 * aatree.c (aa_free): Remove REGPARM.
2094 * aatree.h: Remove all REGPARM.
2095
20962009-07-18 Richard Henderson <rth@redhat.com>
2097
2098 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2099 * Makefile.am (libitm_la_SOURCES): Add them.
2100 * Makefile.in: Rebuild.
2101 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2102 (GTM_trycommit_transaction): Likewise.
2103 * libitm.h: Include aatree.h
2104 (struct gtm_alloc_action): New.
2105 (struct gtm_transaction): Add alloc_actions.
2106 (GTM_record_allocation, GTM_forget_allocation): Declare.
2107 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2108 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2109 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2110 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2111 _ZGTtdaPvRKSt9nothrow_t): Export.
2112
21132009-07-18 Richard Henderson <rth@redhat.com>
2114
2115 * target_tls.h: Move ...
2116 * config/posix/target_tls.h: ... here.
2117
21182009-07-07 Richard Henderson <rth@redhat.com>
2119
2120 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2121
21222009-07-07 Richard Henderson <rth@redhat.com>
2123
2124 * Update to GPL3.
2125
21262009-07-07 Richard Henderson <rth@redhat.com>
2127
2128 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2129 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2130
2131 * configure.tgt: Don't use -ftls-model for x86 linux.
2132 * libitm.h: Include target.h after standard includes.
2133 (_gtm_thr): Rename from gtm_thr.
2134 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2135 (gtm_disp, set_gtm_disp): New.
2136 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2137 retry.c, serial.c, useraction.c: Use accessor functions throughout.
2138 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2139
21402009-07-07 Richard Henderson <rth@redhat.com>
2141
2142 * config/linux/rwlock.c (EZ): New define. Use it throughout.
2143
21442009-07-06 Richard Henderson <rth@redhat.com>
2145
2146 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2147 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2148 (_ITM_beginTransaction): Take variadic arguments.
2149 (_ITM_registerThrownObject): Declare.
2150 * beginend.c, serial.c: Update.
2151 * libitm.map: Add _ITM_registerThrownObject.
2152
21532009-01-28 Richard Henderson <rth@redhat.com>
2154
2155 * Makefile.am (libitm_la_SOURCES): Add clone.c.
2156 * Makefile.in: Rebuild.
2157 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2158 (GTM_restart_transaction): Fix uninstrumented code check.
2159 * retry.c (GTM_decide_retry_strategy): Add serial check.
2160 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
2161 automatically go irrevokable when in serial mode.
2162 * clone.c: New file.
2163 * libitm.h, libitm.map: Update.
2164
21652009-01-27 Richard Henderson <rth@redhat.com>
2166
2167 * Makefile.am (LTCCASCOMPILE): Define.
2168 (libitm_la_SOURCES): Add methid-wbetl.c.
2169 * testsuite/Makefile.am: New
2170 * configure.ac: Add testsuite/Makefile.
2171 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2172 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2173 (_ITM_abortTransaction): Finalize implementation method; pass
2174 transaction properties to longjmp.
2175 (GTM_restart_transaction): Split out from ...
2176 (_ITM_commitTransaction): ... here.
2177 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2178 Move to config/x86/target.h.
2179 * config/linux/alpha/futex_bits.h: New.
2180 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2181 * config/x86/target.h: Disable target types for 32-bit.
2182 * config/alpha/sjlj.S, config/alpha/target.h: New.
2183 * libitm.h (struct gtm_dispatch): Add init, fini.
2184 (enum restart_reason): New.
2185 (struct gtm_transaction): Add method and restarts.
2186 * retry.c (GTM_decide_retry_strategy): Implement.
2187 * serial.c (serial_init, serial_fini): New.
2188 (GTM_serialmode): Finialize outgoing method.
2189 * method-wbetl.c: New.
2190
21912008-12-09 Richard Henderson <rth@redhat.com>
2192
2193 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2194 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2195 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2196 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2197 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2198 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2199 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2200 * serial.c (serial_R##T, serial_W##T): Likewise.
2201
22022008-11-21 Richard Henderson <rth@redhat.com>
2203
2204 * Initial commit.
21fa2a29 2205\f
a5544970 2206Copyright (C) 2008-2019 Free Software Foundation, Inc.
21fa2a29
JJ		 2207
2208Copying and distribution of this file, with or without modification,
2209are permitted in any medium without royalty provided the copyright
2210notice and this notice are preserved.
Mirror of https://gcc.gnu.org/git/gcc.git