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[PR 67794] Also remap SSA_NAMEs defined in ASMs in IPA-SRA
[thirdparty/gcc.git] / libitm / ChangeLog
CommitLineData
c629c246
GFM		 12015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
2
3 PR libitm/61164
4 * local_atomic (__always_inline): Rename to...
5 (__libitm_always_inline): ... this.
6
cd5a9a74
CSLL		 72015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
8
9 PR target/52482
10 * config/powerpc/sjlj.S: Port to Xcode 2.5.
11
ea023bcf
UB		 122015-05-27 Uros Bizjak <ubizjak@gmail.com>
13
d778b5a0
UB		 14 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
15 operands "op" and "val" to int.
16
172015-05-27 Uros Bizjak <ubizjak@gmail.com>
18
19 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
20 "op" and "val" to int.
21
222015-05-27 Uros Bizjak <ubizjak@gmail.com>
23
24 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
25 "op" and "val" to int.
26
272015-05-27 Uros Bizjak <ubizjak@gmail.com>
28
29 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
30 Declare as static int.
31 (FUTEX_PRIVATE_FLAG): Remove L suffix.
32 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
33
342015-05-27 Uros Bizjak <ubizjak@gmail.com>
35
36 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
37 sys_futex0 function.
ea023bcf 38
503902f9
MH		 392015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
40
41 * Makefile.in: Regenerated with automake-1.11.6.
42 * aclocal.m4: Likewise.
43 * configure: Likewise.
44 * testsuite/Makefile.in: Likewise.
45
96ce40cb
GR		 462015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
47
48 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
49 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
50
3a07b160
L		 512015-01-15 H.J. Lu <hongjiu.lu@intel.com>
52
53 PR libitm/64360
54 * libitm.c/stackundo.c (test2): Make it static.
55 (test1): Likewise.
56
5624e564
JJ		 572015-01-05 Jakub Jelinek <jakub@redhat.com>
58
59 Update copyright years.
60
b67cd4e3
JJ		 612015-01-05 Jakub Jelinek <jakub@redhat.com>
62
63 * libitm.texi: Bump @copying's copyright year.
64
69aef6dc
KT		 652014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
66
67 * testsuite/lib/libitm.exp: Load target-utils.exp.
68 Move load of target-supports.exp earlier.
69
68bc9270
UB		 702014-12-03 Uros Bizjak <ubizjak@gmail.com>
71
72 * configure.tgt (x86_64): Tune -m32 multilib to generic.
73
a699d672
L		 742014-11-21 H.J. Lu <hongjiu.lu@intel.com>
75
76 PR bootstrap/63784
77 * configure: Regenerated.
78
ebf6d33b
FXC		 792014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
80
81 PR target/63610
82 * configure: Regenerate.
83
99183741
MP		 842014-10-06 Marek Polacek <polacek@redhat.com>
85
86 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
87 * testsuite/libitm.c/memset-1.c: Likewise.
88
b6334cf4
RH		 892014-07-24 Richard Henderson <rth@redhat.com>
90
91 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
92 addressing mode in epilogue.
93
3c698bf0
RO		 942014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
95
96 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
97 -mclear-hwcap instead.
98 * configure: Regenerate.
99 * clearcap.map: Remove.
100
dbed5a9b
JM		 1012014-05-21 John Marino <gnugcc@marino.st>
102
103 * configure.tgt (*-*-dragonfly*): New target.
104
b17f08dd
RH		 1052014-05-19 Richard Henderson <rth@redhat.com>
106
107 * config/aarch64/sjlj.S: New file.
108 * config/aarch64/target.h: New file.
109 * configure.tgt: Enable aarch64.
110
5e1f630a
RO		 1112014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
112
113 * config/generic/asmcfi.h: Also check for
114 __GCC_HAVE_DWARF2_CFI_ASM.
115
84c2f4b0
RH		 1162013-04-02 Richard Henderson <rth@redhat.com>
117
118 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
119 * config/arm/target.h, config/sh/target.h: Likewise.
120 * config/sparc/target.h, config/x86/target.h: Likewise.
121
7cc51d64
JJ		 1222014-03-26 Jakub Jelinek <jakub@redhat.com>
123
124 * config/linux/futex_bits.h: Include errno.h.
125 (sys_futex0): If syscall returns -1, return -errno rather than
126 -1.
127
c288ec8f
JM		 1282014-03-26 Joseph Myers <joseph@codesourcery.com>
129
130 * libitm.texi (Index): Rename to Library Index.
131
ed100f5d
L		 1322014-01-13 H.J. Lu <hongjiu.lu@intel.com>
133
134 PR libitm/53113
135 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
136 (x86_avx.lo): Append -mavx to CXXFLAGS.
137 * Makefile.in: Regenerate.
138
f93608e6
RS		 1392014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
140
141 Update copyright years
142
98db73df
TB		 1432014-01-02 Tobias Burnus <burnus@net-b.de>
144
145 * libitm.texi: Bump @copying's copyright year.
146
b54214fe
UW		 1472013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
148
149 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
150 (FUNC): Define ELFv2 variant.
151 (END): Likewise.
152 (HIDDEN): Likewise.
153 (CALL): Likewise.
154 (BASE): Likewise.
155 (LR_SAVE): Likewise.
156
3cbe17f7
AM		 1572013-09-20 Alan Modra <amodra@gmail.com>
158
159 * configure: Regenerate.
160
6fb471d8
TR		 1612013-08-30 Torvald Riegel <triegel@redhat.com>
162
163 * config/posix/rwlock.cc: Fix initialization order.
164
bec9ec3f
TR		 1652013-08-30 Torvald Riegel <triegel@redhat.com>
166
167 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
168 (htm_fastpath): Assign an asm name.
169 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
170 HTM fast paths.
171 (_ITM_actions): Likewise.
172 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
173 x86_64.
174 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
175 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
176 field to the start of the structure.
177 * config/linux/rwlock.h (gtm_rwlock): Update comments.
178 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
179 handling for custom HTM fast paths.
180
1869217f
AK		 1812013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
182 Revert:
183 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
184
185 * configure.tgt: Add -msoft-float to XCFLAGS.
186
d62d5152
AK		 1872013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
188
189 * configure.tgt: Add -msoft-float to XCFLAGS.
190
aaaffb2a
AK		 1912013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
192
193 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
194 (htm_transaction_active): Enable zEC12 instructions in the
195 assembler.
196 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
197
167f68ed
AK		 1982013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
199
200 * acinclude.m4: Add htm asm check for s390.
201 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
202 * configure: Regenerate.
203 * config/s390/target.h: Remove __HTM__ check.
204 (htm_available): Call getauxval to get hwcaps and check whether
205 HTM is available or not.
206
0258b6e4
PB		 2072013-07-15 Peter Bergner <bergner@vnet.ibm.com>
208
209 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
210 * configure.ac: Use it.
211 (AC_CHECK_HEADERS): Check for sys/auxv.h.
212 (AC_CHECK_FUNCS): Check for getauxval.
213 * config.h.in, configure: Rebuild.
214 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
215 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
216 (USE_HTM_FASTPATH): Define.
217 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
218 _HTM_RETRIES) New macros.
219 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
220 htm_begin_success, htm_commit, htm_transaction_active): New functions.
221
5a3fe9b6
AK		 2222013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
223
224 * config/s390/target.h: Include htmintrin.h.
225 (_HTM_ITM_RETRIES): New macro definition.
226 (htm_available, htm_init, htm_begin, htm_begin_success)
227 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
228
6c84d576
IS		 2292013-06-20 Iain Sandoe <iain@codesourcery.com>
230 Cesar Philippidis <cesar@codesourcery.com>
231
232 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
233 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
234 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
235 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
236
480c696b
TR		 2372013-06-20 Torvald Riegel <triegel@redhat.com>
238
239 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
240 (_ITM_getTransactionId): Same.
241 * config/x86/target.h (htm_transaction_active): New.
242
b1db457b
TR		 2432013-06-20 Torvald Riegel <triegel@redhat.com>
244
245 PR libitm/57643
246 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
247 the HTM fastpath.
248
51249377
GP		 2492013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
250
251 PR bootstrap/56714
252 * local_atomic (__always_inline): Always define our version.
253 (__calculate_memory_order): Mark inline.
254 (atomic_thread_fence): Ditto.
255 (atomic_signal_fence): Ditto.
256 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
257 (atomic_bool::atomic_flag_clear_explicit): Ditto.
258 (atomic_bool::atomic_flag_test_and_set): Ditto.
259 (atomic_bool::atomic_flag_clear): Ditto.
260
f818478b
JJ		 2612013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
262
263 * config/s390/sjlj.S: New file.
264 * config/s390/target.h: New file.
265 * configure.tgt: Set options for S/390.
266
ab4425be
AK		 2672013-03-23 Andi Kleen <ak@linux.intel.com>
268
269 * local_atomic (__always_inline): Add.
270 (__calculate_memory_order, atomic_thread_fence,
271 atomic_signal_fence, test_and_set, clear, store, load,
272 exchange, compare_exchange_weak, compare_exchange_strong,
273 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
274 Add __always_inline to force inlining.
275
6c59ffd1
IS		 2762013-02-11 Iain Sandoe <iain@codesourcery.com>
277 Jack Howarth <howarth@bromo.med.uc.edu>
278 Patrick Marlier <patrick.marlier@gmail.com>
279
280 PR libitm/55693
281 * alloc_cpp.cc: Enable function declarations on darwin.
282 * eh_cpp.cc: Likewise.
283
75f9527c
RS		 2842013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
285
286 Update copyright years.
287
64fbcc74
TR		 2882012-11-09 Torvald Riegel <triegel@redhat.com>
289
290 * beginend.cc (htm_fastpath): New.
291 (gtm_thread::begin_transaction, _ITM_commitTransaction,
292 _ITM_commitTransactionEH): Add HTM fastpath handling.
293 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
294 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
295 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
296 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
297 * configure.tgt: Add -mrtm to XCFLAGS.
298 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
299 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
300 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
301 * retry.cc (parse_default_method): Add HTM method parsing.
302 (gtm_thread::number_of_threads_changed): Use HTM by default if
303 available.
304
b9efc877
TS		 3052012-11-04 Thomas Schwinge <thomas@codesourcery.com>
306
307 * configure: Regenerate.
308
07d3b5c8
RH		 3092012-10-31 Richard Henderson <rth@redhat.com>
310
311 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
312 * configure.ac: Use it.
313 * config.h.in, configure: Rebuild.
314 * testsuite/Makefile.in: Rebuild.
315
eb00e959
TR		 3162012-10-24 Torvald Riegel <triegel@redhat.com>
317
318 * libitm.texi: Clarify ABI requirements for data-logging functions.
319
b679c813
TR		 3202012-10-24 Torvald Riegel <triegel@redhat.com>
321
322 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
323 it requires serial mode instead of assuming that for certain
324 dispatchs.
325 * dispatch.h (abi_dispatch::requires_serial): New.
326 (abi_dispatch::abi_dispatch): Adapt.
327 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
328 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
329 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
330 serial_dispatch::serial_dispatch,
331 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
332
0c609a21
UB		 3332012-10-02 Uros Bizjak <ubizjak@gmail.com>
334
335 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
336 and ia32 declarations some more.
337 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
338
c0758df9
JJ		 3392012-09-20 Jakub Jelinek <jakub@redhat.com>
340
341 PR other/43620
342 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
343 * configure: Regenerate.
344 * Makefile.in: Regenerate.
345
690c45b8
DE		 3462012-09-14 David Edelsohn <dje.gcc@gmail.com>
347
348 * configure: Regenerated.
349
68a12ef3
UB		 3502012-07-31 Uros Bizjak <ubizjak@gmail.com>
351
352 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
353
f2f9a097
PM		 3542012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
355
356 * eh_cpp.cc: Fix __cxa_end_catch declaration.
357
e6d5f8c9
L		 3582012-05-16 H.J. Lu <hongjiu.lu@intel.com>
359
360 * configure: Regenerated.
361
0100e3b3
L		 3622012-04-04 H.J. Lu <hongjiu.lu@intel.com>
363
364 PR libitm/52854
365 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
366 for x86-64.
367
2f6935f4
TG		 3682012-04-03 Tristan Gingold <gingold@adacore.com>
369
370 * configure: Regenerate.
371
b9c23a61
L		 3722012-03-31 H.J. Lu <hongjiu.lu@intel.com>
373
374 PR bootstrap/52812
375 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
376
6a26a74d
BRF		 3772012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
378
379 * testsuite/lib/libitm.exp: load fortran-modules.exp
380
b24513a1
RO		 3812012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
382
383 * configure.tgt (*-*-irix6*): Remove.
384
0d23faac
TR		 3852012-03-13 Torvald Riegel <triegel@redhat.com>
386
387 PR libitm/52526
388 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
389 wake-up.
390
5c30094f
RO		 3912012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
392
393 * configure.tgt (*-*-osf*): Remove.
394 * configure: Regenerate.
395
d28b0b08
TR		 3962012-03-05 Torvald Riegel <triegel@redhat.com>
397
398 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
399 memtransfer/memset if size isn't larger than zero.
400
034209bc
TR		 4012012-03-02 Torvald Riegel <triegel@redhat.com>
402
403 * libitm.texi: Link to specification and add a usage example.
404
bc8da6ba
TR		 4052012-02-24 Torvald Riegel <triegel@redhat.com>
406
407 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
408 default dispatch for more than 1 thread to ml_wt.
409
63b08143
TR		 4102012-02-20 Torvald Riegel <triegel@redhat.com>
411
412 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
413
4c9bd6ac
TR		 4142012-02-20 Torvald Riegel <triegel@redhat.com>
415
416 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
417
651ff415
TR		 4182012-02-20 Torvald Riegel <triegel@redhat.com>
419
420 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
421 serial mode corner cases made obsolete by prior gtm_rwlock changes.
422 (gl_wt_dispatch.rollback): Same.
423
efee0113
TR		 4242012-02-20 Torvald Riegel <triegel@redhat.com>
425
426 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
427
33a03827
TR		 4282012-02-20 Torvald Riegel <triegel@redhat.com>
429
430 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
431 for RfW src. Optimize number of calls to gtm_thr.
432
a19db3f2
TR		 4332012-02-20 Torvald Riegel <triegel@redhat.com>
434
435 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
436 acquisition to ...
437 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
438 (default_dispatch): Make atomic.
439 (GTM::gtm_thread::set_default_dispatch): Access atomically.
440 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
441 use decide_begin_dispatch() if default_dispatch might have changed.
442 (GTM::gtm_thread::number_of_threads_changed): Initialize
443 default_dispatch here.
444
e948a1fb
IS		 4452012-02-15 Iain Sandoe <iains@gcc.gnu.org>
446 Patrick Marlier <patrick.marlier@gmail.com>
447
448 PR libitm/52220
449 * alloc_cpp.cc: No dummy definitions for darwin.
450 * eh_cpp.cc: Likewise.
451
72824d5e
RH		 4522012-02-14 Richard Henderson <rth@redhat.com>
453
454 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
455
1f319dba
UB		 4562012-02-14 Uros Bizjak <ubizjak@gmail.com>
457
458 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
459
31772c95
TR		 4602012-02-14 Torvald Riegel <triegel@redhat.com>
461
462 * libitm_i.h (GTM::gtm_rwlog_entry): New.
463 (GTM::gtm_thread): Add read and write logs.
464 (GTM::dispatch_ml_wt): Declare.
465 * retry.cc (parse_default_method): Support ml_wt.
466 * method-ml.cc: New file.
467 * Makefile.am: Add method-ml.cc.
468 * Makefile.in: Regenerate.
469
5b9cf5d2
TR		 4702012-02-14 Torvald Riegel <triegel@redhat.com>
471
472 * dispatch.h (GTM::abi_dispatch::supports): New.
473 (GTM::method_group::reinit): New.
474 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
475 (GTM::gtm_thread::number_of_threads_changed): Check that the method
476 supports the current situation.
477
7d33bcb7
TR		 4782012-02-14 Torvald Riegel <triegel@redhat.com>
479
480 * util.cc (GTM::xcalloc): New.
481 * common.h (GTM::xcalloc): Declare.
482
62513f7b
EB		 4832012-02-14 Eric Botcazou <ebotcazou@adacore.com>
484
485 * config/sparc/target.h (cpu_relax): Read from CC register.
486 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
487
4882012-02-14 Uros Bizjak <ubizjak@gmail.com>
d4a698d4
UB		 489
490 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
491
f3f5e3c3
EB		 4922012-02-13 Eric Botcazou <ebotcazou@adacore.com>
493
62513f7b 494 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
f3f5e3c3
EB		 495 * config/sparc/cacheline.h: New file.
496 * config/sparc/target.h: Likewise.
497 * config/sparc/sjlj.S: Likewise.
498 * config/linux/sparc/futex_bits.h: Likewise.
499
5002012-02-13 Eric Botcazou <ebotcazou@adacore.com>
255a9a1b
EB		 501
502 * configure.ac (link_itm): Fix comment.
503 * configure: Regenerate.
504 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
505
681355e3
RO		 5062012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
507
fc985d2f 508 PR libitm/51822
62513f7b 509 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
681355e3
RO		 510 Correct libgomp references.
511
999bcff5
TR		 5122012-01-24 Torvald Riegel <triegel@redhat.com>
513
514 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
515 wake-up.
516
9848887a
UB		 5172012-01-24 Uros Bizjak <ubizjak@gmail.com>
518
519 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
520 end of structure.
521 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
522 offset values. Do not copy return address. Decrement stack
523 by 56 bytes only.
524 (GTM_longjump) [__x86_64__]: Update offset values.
525
5752c591
UB		 5262012-01-23 Uros Bizjak <ubizjak@gmail.com>
527
528 PR libitm/51830
529 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
530 the first function argument to %eax.
531
61e72ca4
RO		 5322012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
533
534 * libitm.h (_ITM_getThreadnum): Remove.
535 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
536
9ce91011
RO		 5372012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
538
539 * clearcap.map: New file.
540 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
541 * configure.ac: Call it.
542 Clear HWCAP_LDFLAGS if defaulting to -mavx.
543 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
544 * configure: Regenerate.
545 * Makefile.in: Regenerate.
546 * testsuite/Makefile.in: Regenerate.
547
3b4f05ec
RO		 5482012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
549
550 PR libitm/51173
551 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
552 include, exclude options.
553
aab74ee9
TR		 5542012-01-14 Torvald Riegel <triegel@redhat.com>
555
556 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
557 rolling back.
558 * containers.h (GTM::vector::set_size): New.
559
07b6642b
TR		 5602012-01-14 Torvald Riegel <triegel@redhat.com>
561
562 PR libitm/51855
563 * config/generic/tls.h (GTM::mask_stack_top): New.
564 (GTM::mask_stack_bottom): Declare.
565 * config/generic/tls.c (GTM::mask_stack_bottom): New.
566 * local.cc (gtm_undolog::rollback): Filter out any updates that
567 overlap the libitm stack. Add current transaction as parameter.
568 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
569 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
570 * testsuite/libitm.c/stackundo.c: New test.
571
8377e5e5
RH		 5722012-01-10 Richard Henderson <rth@redhat.com>
573
574 * libitm_i.h (_Unwind_DeleteException): Declare weak.
575 * eh_cpp.cc (_Unwind_DeleteException): Define for
576 !HAVE_ELF_STYLE_WEAKREF.
577
11f30bb0
TR		 5782012-01-08 Torvald Riegel <triegel@redhat.com>
579
580 * local.cc (GTM_LB): Use GTM::gtm_undolog.
581 (GTM::gtm_thread::drop_references_undolog): Remove.
582 (GTM::gtm_thread::commit_undolog,
583 GTM::gtm_thread::rollback_undolog): Move to ...
584 * libitm_i.h (GTM::gtm_undolog): ...here. New.
585 (GTM::gtm_undolog_entry): Remove.
586 (GTM::gtm_thread): Adapt.
587 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
588 (GTM::gtm_thread::trycommit): Adapt.
589 * method-serial.cc (serial_dispatch::log): Adapt.
590 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
591 (gl_wt_dispatch::store): Fix likely/unlikely.
592 * containers.h (GTM::vector::resize): Add additional_capacity
593 parameter and handle it.
594 (GTM::vector::resize_noinline): New/adapt.
595 (GTM::vector::push): New.
596
a32e5e93
RH		 5972012-01-06 Richard Henderson <rth@redhat.com>
598
599 * configure.tgt: Support powerpc-linux and powerpc-darwin.
600 * config/linux/powerpc/futex_bits.h: New file.
601 * config/powerpc/cacheline.h: New file.
602 * config/powerpc/sjlj.S: New file.
603 * config/powerpc/target.h: New file.
604 * config/generic/asmcfi.h (cfi_offset): New.
605 (cfi_restore, cfi_undefined): New.
606
1f53a8e6
AH		 6072012-01-05 Aldy Hernandez <aldyh@redhat.com>
608
609 PR other/51171
610 * testsuite/libitm.c/reentrant.c: Remove xfail.
611 (thread): Pass x to pure().
be223aaf 612 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 613
c898f7b8
TR		 6142011-12-24 Torvald Riegel <triegel@redhat.com>
615
616 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
617 privatization safety if already in serial mode.
618
610e3901
TR		 6192011-12-24 Torvald Riegel <triegel@redhat.com>
620
621 * beginend.cc (GTM::gtm_thread::restart): Add and handle
622 finish_serial_upgrade parameter.
623 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
624 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
625 Don't unset reader flag.
626 (GTM::gtm_rwlock::write_upgrade_finish): New.
627 * config/posix/rwlock.cc: Same.
628 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
629 Declare.
630 * config/posix/rwlock.h: Same.
631 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
632 flag after commit or after rollback when restarting.
633
799142bf
TR		 6342011-12-24 Torvald Riegel <triegel@redhat.com>
635
636 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
637 (GTM::gtm_thread::try_commit): Changed memory order.
638 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
639 as parameter.
640 * config/linux/x86/futex_bits.h (sys_futex0): Same.
641 * config/linux/sh/futex_bits.h (sys_futex0): Same.
642 * config/linux/futex_bits.h (sys_futex0): Same.
643 * config/linux/futex.cc (futex_wait, futex_wake): Same.
644 * config/linux/futex.h (futex_wait, futex_wake): Same.
645 * config/linux/rwlock.h (gtm_rwlock::writers,
646 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
647 ints.
648 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
649 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
650 gtm_rwlock::write_unlock): Fix memory orders and fences.
651 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
652 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
653 gtm_rwlock::write_unlock): Same.
654 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
655 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
656 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
657 Add comments.
658 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
659 gl_wt_dispatch::load, gl_wt_dispatch::store,
660 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
661 orders and fences. Add comments.
662
b0f96e35
JJ		 6632011-12-21 Jakub Jelinek <jakub@redhat.com>
664
665 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
666 * Makefile.in: Regenerated.
667
cc163247
KK		 6682011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
669
670 * configure.tgt: Add sh* case.
671 * config/sh/target.h: New file.
672 * config/sh/sjlj.S: New file.
673 * config/linux/sh/futex_bits.h: New file.
674
aebac0ca
RH		 6752011-12-14 Richard Henderson <rth@redhat.com>
676
677 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
678 * config/arm/sjlj.S, config/arm/target.h: New files.
679 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
680 (cfi_rel_offset): New.
681 * config/linux/futex_bits.h: New file.
682 * config/linux/futex.cc: Include futex_bits.h here...
683 * config/linux/futex.h: ... not here.
684 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
685 * configure.ac (ARCH_AM): New conditional.
686 * Makefile.in, configure: Rebuild.
687 * configure.tgt: Handle ARM.
688
36cfbee1
RH		 6892011-12-13 Richard Henderson <rth@redhat.com>
690
5d9d05d3
RH		 691 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
692 signed/unsigned comparison werror.
693
36cfbee1
RH		 694 * local_atomic: New file.
695 * libitm_i.h: Include it.
696 (gtm_thread::shared_state): Use atomic template.
697 * beginend.cc (GTM::gtm_clock): Use atomic template.
698 (global_tid): Use atomic template if 64-bit atomics available.
699 (gtm_thread::gtm_thread): Update shared_state access.
700 (gtm_thread::trycommit): Likewise.
701 (choose_code_path): Update global_tid access.
702 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
703 * stmlock.h (GTM::gtm_clock): Use atomic template.
704 (gtm_get_clock, gtm_inc_clock): Update accesses.
705 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
706 redundant __sync_synchronize after atomic shared_state access.
707 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
708 (gtm_rwlock::write_lock_generic): Likewise.
709 (gtm_rwlock::read_unlock): Likewise.
710 * config/alpha/target.h (atomic_read_barrier): Remove.
711 (atomic_write_barrier): Remove.
712 * config/x86/target.h (atomic_read_barrier): Remove.
713 (atomic_write_barrier): Remove.
714
062f93f2
RH		 7152011-11-30 Richard Henderson <rth@redhat.com>
716
717 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
718 * beginend.c (_ITM_abortTransaction): Update to match.
719 (GTM::gtm_thread::restart): Likewise.
720 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
721 * config/x86/sjlj.S (GTM_longjmp): Likewise.
722
bd8aaa86
IS		 7232011-11-23 Iain Sandoe <iains@gcc.gnu.org>
724
725 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
726 * Makefile.in: Regenerate.
727
8cf36bb3
IS		 7282011-11-22 Iain Sandoe <iains@gcc.gnu.org>
729
730 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
731 * alloc_cpp.cc: Generate dummy functions if we don't
732 HAVE_ELF_STYLE_WEAKREF.
733 * eh_cpp.cc: Likewise.
734 * configure: Regenerate.
735 * aclocal.m4: Likewise.
736 * config.h.in: Likewise.
737 * Makefile.in: Likewise.
738 * testsuite/Makefile.in: Likewise.
739
0b41ebef
IS		 7402011-11-22 Iain Sandoe <iains@gcc.gnu.org>
741
742 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
743 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 744 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 745 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
746 in portability to non-elf targets.
8cf36bb3 747 (GTM_longjmp): Likewise.
0b41ebef
IS		 748 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
749 where required.
750
9c9d352a
IS		 7512011-11-22 Iain Sandoe <iains@gcc.gnu.org>
752
753 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
754 * testsuite/libitm.c/memset-1.c: Likewise.
755
c6084f68
AT		 7562011-11-21 Andreas Tobler <andreast@fgznet.ch>
757
758 * configure: Regenerate.
759
adcd36bc
RO		 7602011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
761
762 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
763 (LIBITM_ENABLE_SYMVERS): Handle sun style.
764 * Makefile.am: Handle sun style versioning.
765 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
766 * configure: Regenerate.
767 * Makefile.in: Regenerate.
768
59659b59
RO		 7692011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
770
771 * config/generic/asmcfi.h: Fix comment.
772 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
773 sequence without .hidden support, error for non-ELF targets.
774 (GTM_longjmp) [__ELF__]: Only use .hidden if
775 HAVE_ATTRIBUTE_VISIBILITY.
776
d846e425
RO		 7772011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
778
779 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
780 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
781 Dummy functions.
782 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
783 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
784
80713347
UB		 7852011-11-16 Uros Bizjak <ubizjak@gmail.com>
786
787 PR bootstrap/51098
788 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
789 * configure: Regenerate.
790
2841f85e
L		 7912011-11-14 H.J. Lu <hongjiu.lu@intel.com>
792
793 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
794
8851b429
RO		 7952011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
796
797 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
798 .hidden.
799 (.note.GNU-stack): Only use if __linux__.
800 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
801 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
802 * testsuite/libitm.c/reentrant.c: Likewise.
803 * testsuite/libitm.c/simple-2.c: Likewise.
804 * testsuite/libitm.c/txrelease.c: Likewise.
805 * testsuite/libitm.c++/static_ctor.C: Likewise.
806
d4b17902
RH		 8072011-11-10 Richard Henderson <rth@redhat.com>
808
809 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
810 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
811 * configure.ac (ARCH_X86_AVX): New conditional.
812 * Makefile.in, configure: Rebuild.
813
430616e7
RH		 8142011-11-09 Richard Henderson <rth@redhat.com>
815
816 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
817 * configure.ac: Use it.
818 * config.h.in, configure: Rebuild.
819 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
820
79b1edb6
RH		 8212011-11-09 Richard Henderson <rth@redhat.com>
822
823 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
824 * config/alpha/unaligned.h: Remove file.
825 * config/generic/unaligned.h: Remove file.
826 * config/x86/unaligned.h: Remove file.
827 * config/generic/cachepage.h: Remove file.
828 * config/posix/cachepage.cc: Remove file.
829 * config/generic/cacheline.cc: Remove file.
830 * config/x86/cacheline.cc: Remove file.
831 * config/generic/cacheline.h (gtm_cacheline): Remove the
832 store_mask, copy_mask, copy_mask_wb methods.
833 * config/x86/cacheline.h: Likewise.
834 * config/alpha/cacheline.h: Fall back to generic after setting size.
835 * config/generic/tls.cc (gtm_mask_stack): Remove.
836 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
837 (GTM_vpalignr_table): Remove.
838 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
839 (GTM_pshift_table): Remove.
840 * config/libitm_i.h: Don't include cachepage.h.
841 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
842 * Makefile.in, testsuite/Makefile.in: Rebuild.
843
4bdd090f
RH		 8442011-11-09 Richard Henderson <rth@redhat.com>
845
8ee9fac2
RH		 846 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
847 to emit branch prediction hint.
848
9bdc6343
RH		 849 * config/x86/sjlj.S: Protect elf directives with __ELF__.
850 Protect .note.GNU-stack with __linux__.
851
4bdd090f
RH		 852 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
853 * configure, aclocal.m4, config.h.in: Rebuild.
854 * config/generic/asmcfi.h: New file.
855 * config/x86/sjlj.S: Use it.
856
4408b086
RH		 8572011-11-08 Richard Henderson <rth@redhat.com>
858
859 * local.cc (_ITM_LB): Use a normal call, not a function alias.
860
01f3428c
RH		 8612011-11-08 Richard Henderson <rth@redhat.com>
862
3d3b05ff
RH		 863 * configure.tgt: Test correct directory for supported cpus.
864
01f3428c
RH		 865 * configure.ac: Exit if unsupported.
866 * configure: Rebuild.
867 * configure.tgt: Delete boilerplate from libgomp for unsupported
868 targets. Set UNSUPPORTED for unsupported targets.
869
07f03cd3
RO		 8702011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
871
872 * configure.tgt: Handle i386 like i[456]86.
873 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
874 take address.
875 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
876 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
877
0a35513e
AH		 8782011-11-05 Aldy Hernandez <aldyh@redhat.com>
879
880 * method-wbetl.cc: Update copyright notice.
881 * aatree.cc: Same.
882 * util.cc: Same.
883 * libitm.h: Same.
884 * memset.cc: Same.
885 * eh_cpp.cc: Same.
886 * barrier.tpl: Same.
887 * useraction.cc: Same.
888 * stmlock.h: Same.
889 * memcpy.cc: Same.
890 * common.h: Same.
891 * config/generic/tls.cc: Same.
892 * config/generic/cacheline.h: Same.
893 * config/generic/cachepage.h: Same.
894 * config/generic/cacheline.cc: Same.
895 * config/generic/unaligned.h: Same.
896 * config/x86/cacheline.h: Same.
897 * config/x86/cacheline.cc: Same.
898 * config/x86/unaligned.h: Same.
899 * config/alpha/cacheline.h: Same.
900 * config/alpha/unaligned.h: Same.
901 * config/alpha/sjlj.S: Same.
902 * config/posix/cachepage.cc: Same.
903 * config/linux/futex.h: Same.
904 * config/linux/alpha/futex_bits.h: Same.
905
9062011-11-04 Torvald Riegel <triegel@redhat.com>
907
908 * libitm.texi: No cover text and invariant sections.
909
9102011-11-03 Richard Henderson <rth@redhat.com>
911
912 * local_type_traits: New file.
913 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
914
9152011-11-03 Richard Henderson <rth@redhat.com>
916
917 * configure.ac: Don't test for gfortran.
918 * configure: Rebuild.
919
920 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
921 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
922
9232011-11-03 Aldy Hernandez <aldyh@redhat.com>
924
925 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
926 * testsuite/libitm.c/memset-1.c: Same.
927 * testsuite/libitm.c/c.exp: Same.
928 * testsuite/lib/libitm-dg.exp: Same.
929 * testsuite/lib/libitm.exp: Same.
930 * testsuite/libitm.c++/c++.exp: Same.
931
9322011-11-03 Aldy Hernandez <aldyh@redhat.com>
933
934 * testsuite/config/default.exp: Update copyright date.
935 * configure.ac: Add copyright info.
936 * configure.tgt: Same.
937
9382011-11-03 Aldy Hernandez <aldyh@redhat.com>
939
940 * testsuite/libitm.c/reentrant.c: XFAIL.
941 * testsuite/libitm.c++/static_ctor.C: XFAIL.
942
9432011-10-29 Torvald Riegel <triegel@redhat.com>
944
945 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
946 handle aborts.
947 (_ITM_abortTransaction): Handle aborts of outer transactions.
948 * libitm_i.h: Same.
949 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
950 * libitm.texi: Document aborts of outer transactions.
951 * testsuite/libitm.c/cancel.c: New file.
952
9532011-10-19 Torvald Riegel <triegel@redhat.com>
954
955 * testsuite/*: Change __transaction to __transaction_atomic or
956 __transaction_relaxed.
957
9582011-10-19 Torvald Riegel <triegel@redhat.com>
959
960 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
961 (gtm_thr): Same.
962
9632011-10-19 Torvald Riegel <triegel@redhat.com>
964
965 * libitm_i.h: Add gl_wt dispatch.
966 * retry.cc (parse_default_method): Same.
967 * method-gl.cc: New file.
968 * Makefile.am: Use method-gl.cc.
969 * Makefile.in: Rebuild.
970
9712011-10-19 Torvald Riegel <triegel@redhat.com>
972
973 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
974 safety if requested by a TM method.
975 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
976 privatization safety.
977 * method-serial.cc: Same.
978
9792011-10-19 Torvald Riegel <triegel@redhat.com>
980
981 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
982 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
983 undolog-related member functions from *_local to *_undolog.
984 * local.cc (gtm_thread::commit_undolog): Same.
985 * beginend.cc (GTM::gtm_thread::trycommit): Same.
986 (GTM::gtm_thread::rollback): Roll back undolog before
987 dispatch-specific rollback.
988
9892011-10-19 Torvald Riegel <triegel@redhat.com>
990
991 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
992 re-initialization of the current method group.
993 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
994
9952011-10-19 Torvald Riegel <triegel@redhat.com>
996
997 * alloc.cc (commit_allocations_2): Do not free transaction-local
998 memory when committing a nested transaction.
999
10002011-10-19 Torvald Riegel <triegel@redhat.com>
1001
1002 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1003 serial-irrevocable dispatch, not serial.
1004
10052011-10-19 Torvald Riegel <triegel@redhat.com>
1006
1007 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1008 declarations.
1009 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1010 * method-serial.cc: Implement begin_or_restart().
1011 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1012 dispatch-specific begin_or_restart().
1013 (GTM::gtm_thread::restart): Same.
1014
10152011-08-23 Torvald Riegel <triegel@redhat.com>
1016
1017 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1018 restarting without switching to serial mode.
1019 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1020 transaction state. Choose closed-nesting alternative if available.
1021 (GTM::gtm_thread::set_default_dispatch): New.
1022 (parse_default_method): New.
1023 (GTM::gtm_thread::number_of_threads_changed): New.
1024 * method-serial.cc (GTM::serial_mg): New method group class.
1025 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1026 fini.
1027 (GTM::serial_dispatch): Same.
1028 (GTM::serialirr_onwrite_dispatch): Same.
1029 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1030 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1031 registered threads.
1032 (GTM::gtm_thread::gtm_thread): Same.
1033 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1034 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1035 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1036 choose dispatch but set state according to dispatch here.
1037 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1038 (GTM::method_group): New class.
1039 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1040 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1041 * libitm.texi: Document TM methods, method groups, method life cycle.
1042 Rename method sets to method groups.
1043
10442011-08-23 Torvald Riegel <triegel@redhat.com>
1045
1046 * config/x86/tls.h: Moved to ...
1047 * config/linux/x86/tls.h: ... here.
1048
10492011-08-23 Torvald Riegel <triegel@redhat.com>
1050
1051 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1052 Add X32 support.
1053 * config/x86/sjlj.S: Same.
1054
10552011-08-19 Torvald Riegel <triegel@redhat.com>
1056
1057 * config/linux/rwlock.h: New file.
1058 * config/linux/rwlock.c: New file.
1059 * configure.ac: Reenable futex support (undo SVN rev 157758).
1060 * Makefile.am: Same.
1061 * configure.tgt: Same.
1062 * config/linux/alpha/futex_bits.h: Same.
1063 * config/linux/futex.h: Same. Return number of woken processes.
1064 * config/linux/futex.cc: Same.
1065 (futex_wait): Remove spinning.
1066 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1067 Use __x86_64__ instead of __LP64__.
1068 * aclocal.m4: Include generic futex checks.
1069 * configure: Rebuild.
1070 * Makefile.in: Rebuild.
1071 * testsuite/Makefile.in: Rebuild.
1072 * beginend.cc: Include pthread.h.
1073 * config/posix/cachepage.cc: Same.
1074
10752011-08-12 Torvald Riegel <triegel@redhat.com>
1076
1077 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1078 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1079 (set_gtm_thr): New.
1080 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1081 (set_gtm_thr): New.
1082 (GTM::gtm_thread::thread_num): Removed.
1083 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1084 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1085 tx-to-thread renaming.
1086 * beginend.cc: Adapted to tx-to-thread renaming.
1087 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1088 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1089 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1090 gtm_transaction to gtm_thread.
1091 (_ITM_getThreadnum): Removed. Not supported anymore.
1092 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1093 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1094 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1095 gtm_tx-to-gtm_thr renaming if necessary.
1096 * eh_cpp.cc: Same.
1097 * local.cc: Same.
1098 * retry.cc: Same.
1099 * clone.cc: Same.
1100 * alloc.cc: Same.
1101 * alloc_c.cc: Same.
1102 * alloc_cpp.cc: Same.
1103 * method-serial.cc: Same.
1104 * config/generic/tls.cc: Same.
1105 * config/posix/rwlock.h (gtm_rwlock): Same.
1106 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1107
11082011-08-12 Torvald Riegel <triegel@redhat.com>
1109
1110 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1111 implementation.
1112 (gtm_rwlock::read_unlock): Same.
1113 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1114 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1115 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1116 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1117 w_upgrade. Replaced by per-transaction flags (in shared_state).
1118 Added c_confirmed_writers.
1119 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1120 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1121 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1122 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1123 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1124 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1125 * libitm.texi: Document locking conventions and implementations in
1126 libitm.
1127
11282011-08-12 Torvald Riegel <triegel@redhat.com>
1129
1130 * libitm_i.h (next_tx): Add list of all threads' transaction.
1131 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1132 transaction with list of transactions and ...
1133 (thread_exit_handler): ... deregister here.
1134 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1135 * config/x86/target.h: Same.
1136
11372011-08-12 Torvald Riegel <triegel@redhat.com>
1138
1139 * testsuite/libitm.c++/static_ctor.C: New file.
1140
11412011-08-12 Torvald Riegel <triegel@redhat.com>
1142
1143 * testsuite/libitm.c/reentrant.c: New file.
1144
11452011-08-12 Torvald Riegel <triegel@redhat.com>
1146
1147 * config/generic/tls.h: Remove the free list for transactions and ...
1148 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1149 (GTM::gtm_transaction::operator delete): ... and release here.
1150 (thread_exit_handler): New. Delete tx when thread terminates.
1151 (thread_exit_init): New.
1152 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1153 * testsuite/libitm.c/txrelease.c: New file.
1154
11552011-08-12 Torvald Riegel <triegel@redhat.com>
1156
1157 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1158 * testsuite/libitm.c/notx.c: New file.
1159
11602011-08-12 Torvald Riegel <triegel@redhat.com>
1161
1162 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1163 * libitm_i.h (local_tid): ... to here.
1164 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1165 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1166
11672011-08-12 Torvald Riegel <triegel@redhat.com>
1168
1169 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1170 serialirr_onwrite_dispatch as new default for now.
1171 * method-serial.cc (serialirr_onwrite_dispatch): New.
1172 (GTM::dispatch_serialirr_onwrite): New.
1173 * libitm_i.h: Same.
1174
11752011-08-12 Torvald Riegel <triegel@redhat.com>
1176
1177 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1178 * query.cc (_ITM_getTransactionId): There is no active transaction if
1179 the current nesting level is zero.
1180
11812011-07-28 Torvald Riegel <triegel@redhat.com>
1182
1183 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1184 rollback.
1185
11862011-07-28 Torvald Riegel <triegel@redhat.com>
1187
1188 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1189 transaction properties from the caller instead of from the
1190 transaction object.
1191 * libitm_i.h: Same.
1192 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1193
11942011-07-28 Torvald Riegel <triegel@redhat.com>
1195
1196 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1197 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1198 * dispatch.h: Same.
1199 * method-serial.cc: Same.
1200 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1201 flat nesting as default, and closed nesting on demand.
1202 (GTM::gtm_transaction::rollback): Same.
1203 (_ITM_abortTransaction): Same.
1204 (GTM::gtm_transaction::restart): Same.
1205 (GTM::gtm_transaction::trycommit): Same.
1206 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1207 (choose_code_path): New.
1208 (GTM::gtm_transaction_cp::save): New.
1209 (GTM::gtm_transaction_cp::commit): New.
1210 * query.cc (_ITM_inTransaction): Support flat nesting.
1211 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1212 (GTM::gtm_transaction): Support flat and closed nesting.
1213 * alloc.cc (commit_allocations_2): New.
1214 (commit_cb_data): New helper struct.
1215 (GTM::gtm_transaction::commit_allocations): Handle nested
1216 commits/rollbacks.
1217 * libitm.texi: Update user action section, add description of nesting.
1218
12192011-07-28 Torvald Riegel <triegel@redhat.com>
1220
1221 * libitm_i.h: Add closed nesting as restart reason.
1222 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1223
12242011-07-28 Torvald Riegel <triegel@redhat.com>
1225
1226 * useraction.cc: Use vector instead of list to store actions.
1227 Also support partial rollbacks for closed nesting.
1228 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1229 * beginend.cc: Same.
1230
12312011-07-28 Torvald Riegel <triegel@redhat.com>
1232
1233 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1234 closed_nesting flags, as well as a closed nesting alternative.
1235 * method-serial.cc: Same.
1236 (serial_dispatch): Renamed to serialirr_dispatch.
1237 (GTM::dispatch_serialirr): Same.
1238 (serial_dispatch_ul): Renamed to serial_dispatch.
1239 (GTM::dispatch_serial): Same.
1240
12412011-07-28 Torvald Riegel <triegel@redhat.com>
1242
1243 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1244
12452011-07-28 Torvald Riegel <triegel@redhat.com>
1246
1247 * aatree.h (aa_tree::remove): New.
1248 (aa_tree::operator new): Add placement new.
1249
12502011-07-02 Torvald Riegel <triegel@redhat.com>
1251
1252 * containers.h: New file.
1253 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1254 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1255 * common.h: ... to here.
1256 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1257 * local.cc: Same.
1258
12592011-06-30 Torvald Riegel <triegel@redhat.com>
1260
1261 * libitm_i.h (STATE_ABORTING): Remove.
1262 * beginend.cc (_ITM_abortTransaction): Same.
1263 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1264 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1265 (_ITM_rollbackTransaction): Remove.
1266 * beginend.cc: Same.
1267 * libitm.map: Same.
1268 * libitm.texi: Document these ABI changes.
1269
12702011-06-30 Torvald Riegel <triegel@redhat.com>
1271
1272 * libitm.texi: New file.
1273 * Makefile.am: Add libitm.texi.
1274 * Makefile.in: Rebuild.
1275
12762011-06-30 Torvald Riegel <triegel@redhat.com>
1277
1278 * libitm_i.h: Move parts to common.h and dispatch.h.
1279 * common.h: New file.
1280 * dispatch.h: New file, new dispatch class.
1281 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1282 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1283 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1284 decision to retry.cc.
1285 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1286 only.
1287 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1288 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1289 logging.
1290 * barrier.cc: Use new barriers definitions.
1291 (abi_dispatch::memmove_overlap_check): New.
1292 * config/x86/x86_sse.cc: Same.
1293 * config/x86/x86_avx.cc: Same.
1294 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1295 memcpy.cc.
1296 * Makefile.in: Rebuild.
1297 * method-readonly.cc: Remove.
1298 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1299 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1300
13012011-06-30 Torvald Riegel <triegel@redhat.com>
1302
1303 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1304 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1305 * testsuite/libitm.c/dropref-2.c: Same.
1306 * testsuite/libitm.c/dropref.c: Same.
1307
13082011-06-30 Torvald Riegel <triegel@redhat.com>
1309
1310 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1311 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1312 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1313 * alloc_c.cc: Same.
1314 * barrier.tpl: Same.
1315 * beginend.c: Same.
1316 * config/generic/tls.h: Same.
1317 * config/x86/tls.h: Same.
1318 * libitm_i.h: Same.
1319 * memcpy.cc: Same.
1320 * memset.cc: Same.
1321 * method-readonly.cc: Same.
1322 * method-serial.cc: Same.
1323 * method-wbetl.cc: Same.
1324 * retry.cc: Same.
1325
13262011-03-03 Richard Henderson <rth@redhat.com>
1327
1328 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1329 From Patrik Marlier <patrick.marlier@unine.ch>.
1330
13312011-02-03 Richard Henderson <rth@redhat.com>
1332
1333 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1334 * configure.ac: Use it.
1335 * configure, config.h.in: Rebuild.
1336 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1337 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1338 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1339 * libitm.map: Use wildcards to match size_t mangling.
1340
13412010-12-14 Richard Henderson <rth@redhat.com>
1342
1343 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1344 blocks of TIDs per thread.
1345 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1346 (setup_gtm_thr): Return the thread structure.
1347 * config/x86/tls.h (setup_gtm_thr): Likewise.
1348
13492010-12-14 Richard Henderson <rth@redhat.com>
1350
1351 * clone.cc (table_lock): Remove.
1352 (find_clone): Don't take it.
1353 (ExcludeTransaction): New helper class.
1354 (_ITM_registerTMCloneTable): Use it.
1355 (_ITM_deregisterTMCloneTable): Likewise.
1356
13572010-12-14 Richard Henderson <rth@redhat.com>
1358
1359 * config/x86/tls.h: New file.
1360
13612010-07-15 Richard Henderson <rth@redhat.com>
1362
1363 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1364 * Makefile.in: Rebuild.
1365
13662010-07-13 Aldy Hernandez <aldyh@redhat.com>
1367
1368 * method-wbetl.cc (trydropreference): Fix source line.
1369
13702010-07-13 Aldy Hernandez <aldyh@redhat.com>
1371
1372 * libitm.h: Add comment.
1373 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1374
13752010-07-07 Aldy Hernandez <aldyh@redhat.com>
1376
1377 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1378 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1379 available, use pthread mutexes.
1380 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1381 * config.h.in: Regenerate.
1382 * configure: Regenerate.
1383
13842010-07-06 Aldy Hernandez <aldyh@redhat.com>
1385
1386 * libitm.h (ITM_PURE): Define.
1387 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1388
13892010-06-28 Aldy Hernandez <aldyh@redhat.com>
1390
1391 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1392 (validate): Add comment.
1393 (trydropreference): New.
1394 * method-readonly.cc (class readonly_dispatch): Add
1395 trydropreference.
1396 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1397 Call trydropreference().
1398 * libitm.h (_ITM_dropReferences): Remove const attribute.
1399 * method-serial.cc (class serial_dispatch): Add trydropreference.
1400 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1401
14022010-06-28 Aldy Hernandez <aldyh@redhat.com>
1403
1404 * memcpy.cc (do_memcpy): Comment.
1405
14062010-06-25 Aldy Hernandez <aldyh@redhat.com>
1407
1408 * barrier.tpl: Add comments throughout.
1409
14102010-06-24 Aldy Hernandez <aldyh@redhat.com>
1411
1412 * method-wbetl.cc (struct w_entry): Add comments.
1413 (trycommit): Same.
1414 (rollback): Same.
1415
14162010-06-24 Aldy Hernandez <aldyh@redhat.com>
1417
1418 * alloc_c.cc (_ITM_dropReferences): New.
1419 * libitm.map (_ITM_dropReferences): Add.
1420 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1421 * libitm_i.h (struct gtm_transaction): Declare
1422 drop_references_allocations and drop_references_local.
1423 * local.cc (rollback_local): Ignore memory when applicable.
1424 (drop_references_local): New.
1425
14262010-06-23 Richard Henderson <rth@redhat.com>
1427
1428 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1429 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1430 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1431 * config/alpha/target.h: Likewise.
1432 * config/generic/tls.cc (gtm_mask_stack): Use it.
1433
14342010-06-23 Richard Henderson <rth@redhat.com>
1435
1436 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1437 a mutex instead of trying a lock-free compare-and-swap on the list.
1438 (gtm_cacheline_page::operator delete): Likewise.
1439
14402010-06-16 Richard Henderson <rth@redhat.com>
1441
1442 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1443 that overlap the libitm stack.
1444 * barrier.tpl: Mark incoming stack.
1445 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1446 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1447 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1448 * memcpy.cc, memset.cc: Likewise.
1449 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1450 * config/generic/tls.h (gtm_thread): Add stack_top member.
1451 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1452 * libitm_i.h (gtm_mask_stack): Declare.
1453 * config/generic/tls.cc: New file.
1454 * Makefile.am (libitm_la_SOURCES): Add it.
1455 (AM_CXXFLAGS): Turn off exceptions.
1456 * Makefile.in: Rebuild.
1457
14582010-06-16 Richard Henderson <rth@redhat.com>
1459
1460 * alloc.cc (struct gtm_alloc_action): Move definition ...
1461 * libitm_i.h: ... here.
1462 (class gtm_transaction): Declare new and delete.
1463 * beginend.cc (alloc_tx): Reformulate as operator new.
1464 (free_tx): Reformulate as operator delete.
1465 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1466
14672010-06-11 Richard Henderson <rth@redhat.com>
1468
1469 * clone.cc (clone_entry_compare): Fix typo.
1470 From Patrik Marlier <patrick.marlier@unine.ch>.
1471
14722010-05-13 Richard Henderson <rth@redhat.com>
1473
1474 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1475 in extern "C".
1476
14772010-05-07 Aldy Hernandez <aldyh@redhat.com>
1478
1479 * libitm_i.h (struct gtm_transaction): Remove
1480 get_allocation_size.
1481 (record_allocation): Remove size parameter.
1482 * libitm.map (_ITM_realloc): Remove.
1483 * alloc_c.cc (_ITM_realloc): Remove.
1484 (_ITM_malloc): Remove size argument to record_allocation.
1485 (_ITM_calloc): Same.
1486 * alloc_cpp.cc (_ZGTtnwm): Same.
1487 (_ZGTtnwmRKSt9nothrow_t): Same.
1488 (_ZGTtnam): Same.
1489 (_ZGTtnamRKSt9nothrow_t): Same.
1490 * alloc.cc (struct gtm_alloc_action): Remove size.
1491 (get_allocation_size): Remove.
1492 (commit_allocations): Add comment.
1493 (record_allocation): Remove size parameter.
1494 (forget_allocation): Remove set of size.
1495
14962010-04-19 Aldy Hernandez <aldyh@redhat.com>
1497
1498 * Makefile.am (abi_version): New.
1499 (AM_CXXFLAGS): Pass abi_version.
1500 * Makefile.in: Regenerate.
1501 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1502
15032010-04-06 Aldy Hernandez <aldyh@redhat.com>
1504
1505 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1506 _ITM_getTMCloneOrIrrevokable.
1507 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1508 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1509
15102010-03-26 Aldy Hernandez <aldyh@redhat.com>
1511
1512 * configure.ac: Remove Linux futex support.
1513 * configure.tgt (config_path): Same.
1514 * Makefile.am: Same.
1515 * config/linux: Remove entire directory.
1516 * configure: Rebuild.
1517 * Makefile.in: Rebuild.
1518 * testsuite/Makefile.in: Rebuild.
1519
15202010-03-09 Aldy Hernandez <aldyh@redhat.com>
1521
1522 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1523 switching to serial mode.
1524 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1525
15262010-03-03 Aldy Hernandez <aldyh@redhat.com>
1527
1528 * configure.tgt: Add emacs -*- tags.
1529 * barrier.tpl: Same.
1530
15312010-02-23 Aldy Hernandez <aldyh@redhat.com>
1532
1533 * Makefile.am: Rename serial.cc to method-serial.cc.
1534 * Makefile.in: Regenerate with automake 1.11.1.
1535 * testsuite/Makefile.in: Same.
1536 * aclocal.m4: Regenerate with aclocal 1.11.1.
1537 * method-serial.cc: Rename from serial.cc.
1538 * libitm_i.h (struct gtm_transaction): Update comment on
1539 serialirr_mode.
1540
15412010-02-22 Aldy Hernandez <aldyh@redhat.com>
1542
1543 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1544 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1545
15462010-02-11 Aldy Hernandez <aldyh@redhat.com>
1547
1548 * configure: Rebuild.
1549
15502009-11-12 Richard Henderson <rth@redhat.com>
1551
1552 * Rewrite everything in C++.
1553
15542009-11-03 Richard Henderson <rth@redhat.com>
1555
1556 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1557 * Makefile.am (libitm_la_SOURCES): Add them.
1558 * configure.ac (ARCH_X86): New conditional.
1559 * Makefile.in, configure: Rebuild.
1560 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1561 Move futex setup into "other system configury" case.
1562 * local.c (rollback_local): Merge into ...
1563 (GTM_rollback_local): ... here.
1564 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1565 (_ITM_LB): Define as an alias to GTM_LB.
1566
15672009-11-03 Richard Henderson <rth@redhat.com>
1568
1569 * method-readonly.c: New file.
1570 * Makefile.am (libitm_la_SOURCES): Add it.
1571 * Makefile.in: Rebuild.
1572 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1573 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1574 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1575 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1576 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1577 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1578 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1579 gtm_get_clock, gtm_inc_clock): New.
1580 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1581 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1582 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1583 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1584 replace uses with new libitm_i.h symbols.
1585 (dispatch_wbetl): Rename from wbetl_dispatch.
1586 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1587 away from dispatch_readonly; abort if the beginTransaction call
1588 asserted that the transaction was readonly.
1589
15902009-11-03 Richard Henderson <rth@redhat.com>
1591
1592 * memset.c: New file.
1593 * Makefile.am (libitm_la_SOURCES): Add it.
1594 * Makefile.in: Rebuild.
1595 * testsuite/libitm.c/memset-1.c: New.
1596
15972009-11-03 Richard Henderson <rth@redhat.com>
1598
1599 * dispatch.c: Remove file.
1600 * useraction.c (struct gtm_user_action): Move from libitm.h.
1601 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1602 (serial_memset, serial_memmove, serial_memcpy): Remove.
1603 (serial_W*, serial_R*): Remove.
1604 (serial_dispatch): Update to match.
1605 * configure.ac: Move Werror down below configure checks. Don't
1606 check for sys/loadavg.h, do check for malloc.h. Don't check for
1607 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1608 Use GCC_AC_FUNC_MMAP_BLACKLIST
1609 * libitm.h: Split out all internal items to...
1610 * libitm_i.h: ... here. New file.
1611 * copymask.c: New file.
1612 * local.c (struct gtm_local_undo): Move from libitm.h.
1613 (GTM_alloc_local): Rename from alloc_local; export.
1614 * memcpy.c: New file.
1615 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1616 * config/posix/page.c: New file.
1617 * config/posix/target_tls.h: Remove file.
1618 * barrier.c: New file.
1619 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1620 copymask.c, page.c.
1621 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1622 * method-wbetl.c: Rewrite for new cacheline methods.
1623 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1624
1625 * config/alpha/sjlj.S: Fix typo.
1626 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1627 * config/alpha/copymask.c: New file.
1628 * config/alpha/target.h (CACHELINE_SIZE): New.
1629 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1630
1631 * config/x86/target_i.h: Copy functions from x86/target.h.
1632 * config/x86/copymask.c: New file.
1633 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1634 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1635 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1636 * config/x86/target_tls.h: Move contents to target_i.h.
1637
1638 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1639 * testsuite/libitm.c/memcpy-1.c: New.
1640
16412009-10-22 Richard Henderson <rth@redhat.com>
1642
1643 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1644 (AM_CCASFLAGS): New.
1645 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1646 saving/restoring _AC_ARG_VAR_PRECIOUS.
1647 * Makefile.in, aclocal.m4, config.h.in, configure,
1648 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1649
16502009-10-22 Richard Henderson <rth@redhat.com>
1651
1652 * testsuite/*: Update for new compiler syntax.
1653
16542009-10-21 Richard Henderson <rth@redhat.com>
1655
1656 * libitm.h (_ITM_abortReason): Add outerAbort.
1657
16582009-08-03 Richard Henderson <rth@redhat.com>
1659
1660 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1661 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1662 * method-wbetl.c (struct w_entry): Remove mask.
1663 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1664 adjust all callers.
1665
16662009-07-22 Richard Henderson <rth@redhat.com>
1667
1668 * eh_cpp.c: New file.
1669 * Makefile.am (libitm_la_SOURCES): Add it.
1670 * Makefile.in: Rebuild.
1671 * beginend.c (GTM_rollback_transaction): Undo exception state.
1672 (GTM_trycommit_transaction): Mark inline.
1673 (GTM_trycommit_and_finalize_transaction): Split out from ...
1674 (_ITM_commitTransaction): ... here.
1675 (_ITM_commitTransactionEH): New function.
1676 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1677 cxa_unthrown, eh_in_flight; reorder.
1678
1679 * testsuite/libitm.c++/c++.exp: New.
1680 * testsuite/libitm.c++/eh-1.C: New.
1681
1682 * aatree.c (aa_free): Remove REGPARM.
1683 * aatree.h: Remove all REGPARM.
1684
16852009-07-18 Richard Henderson <rth@redhat.com>
1686
1687 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1688 * Makefile.am (libitm_la_SOURCES): Add them.
1689 * Makefile.in: Rebuild.
1690 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1691 (GTM_trycommit_transaction): Likewise.
1692 * libitm.h: Include aatree.h
1693 (struct gtm_alloc_action): New.
1694 (struct gtm_transaction): Add alloc_actions.
1695 (GTM_record_allocation, GTM_forget_allocation): Declare.
1696 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1697 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1698 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1699 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1700 _ZGTtdaPvRKSt9nothrow_t): Export.
1701
17022009-07-18 Richard Henderson <rth@redhat.com>
1703
1704 * target_tls.h: Move ...
1705 * config/posix/target_tls.h: ... here.
1706
17072009-07-07 Richard Henderson <rth@redhat.com>
1708
1709 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1710
17112009-07-07 Richard Henderson <rth@redhat.com>
1712
1713 * Update to GPL3.
1714
17152009-07-07 Richard Henderson <rth@redhat.com>
1716
1717 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1718 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1719
1720 * configure.tgt: Don't use -ftls-model for x86 linux.
1721 * libitm.h: Include target.h after standard includes.
1722 (_gtm_thr): Rename from gtm_thr.
1723 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1724 (gtm_disp, set_gtm_disp): New.
1725 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1726 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1727 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1728
17292009-07-07 Richard Henderson <rth@redhat.com>
1730
1731 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1732
17332009-07-06 Richard Henderson <rth@redhat.com>
1734
1735 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1736 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1737 (_ITM_beginTransaction): Take variadic arguments.
1738 (_ITM_registerThrownObject): Declare.
1739 * beginend.c, serial.c: Update.
1740 * libitm.map: Add _ITM_registerThrownObject.
1741
17422009-01-28 Richard Henderson <rth@redhat.com>
1743
1744 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1745 * Makefile.in: Rebuild.
1746 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1747 (GTM_restart_transaction): Fix uninstrumented code check.
1748 * retry.c (GTM_decide_retry_strategy): Add serial check.
1749 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1750 automatically go irrevokable when in serial mode.
1751 * clone.c: New file.
1752 * libitm.h, libitm.map: Update.
1753
17542009-01-27 Richard Henderson <rth@redhat.com>
1755
1756 * Makefile.am (LTCCASCOMPILE): Define.
1757 (libitm_la_SOURCES): Add methid-wbetl.c.
1758 * testsuite/Makefile.am: New
1759 * configure.ac: Add testsuite/Makefile.
1760 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1761 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1762 (_ITM_abortTransaction): Finalize implementation method; pass
1763 transaction properties to longjmp.
1764 (GTM_restart_transaction): Split out from ...
1765 (_ITM_commitTransaction): ... here.
1766 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1767 Move to config/x86/target.h.
1768 * config/linux/alpha/futex_bits.h: New.
1769 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1770 * config/x86/target.h: Disable target types for 32-bit.
1771 * config/alpha/sjlj.S, config/alpha/target.h: New.
1772 * libitm.h (struct gtm_dispatch): Add init, fini.
1773 (enum restart_reason): New.
1774 (struct gtm_transaction): Add method and restarts.
1775 * retry.c (GTM_decide_retry_strategy): Implement.
1776 * serial.c (serial_init, serial_fini): New.
1777 (GTM_serialmode): Finialize outgoing method.
1778 * method-wbetl.c: New.
1779
17802008-12-09 Richard Henderson <rth@redhat.com>
1781
1782 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1783 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1784 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1785 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1786 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1787 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1788 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1789 * serial.c (serial_R##T, serial_W##T): Likewise.
1790
17912008-11-21 Richard Henderson <rth@redhat.com>
1792
1793 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git