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libgomp: Bump to automake 1.11.6
[thirdparty/gcc.git] / libitm / ChangeLog
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96ce40cb
GR		 12015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
2
3 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
4 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
5
3a07b160
L		 62015-01-15 H.J. Lu <hongjiu.lu@intel.com>
7
8 PR libitm/64360
9 * libitm.c/stackundo.c (test2): Make it static.
10 (test1): Likewise.
11
5624e564
JJ		 122015-01-05 Jakub Jelinek <jakub@redhat.com>
13
14 Update copyright years.
15
b67cd4e3
JJ		 162015-01-05 Jakub Jelinek <jakub@redhat.com>
17
18 * libitm.texi: Bump @copying's copyright year.
19
69aef6dc
KT		 202014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
21
22 * testsuite/lib/libitm.exp: Load target-utils.exp.
23 Move load of target-supports.exp earlier.
24
68bc9270
UB		 252014-12-03 Uros Bizjak <ubizjak@gmail.com>
26
27 * configure.tgt (x86_64): Tune -m32 multilib to generic.
28
a699d672
L		 292014-11-21 H.J. Lu <hongjiu.lu@intel.com>
30
31 PR bootstrap/63784
32 * configure: Regenerated.
33
ebf6d33b
FXC		 342014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
35
36 PR target/63610
37 * configure: Regenerate.
38
99183741
MP		 392014-10-06 Marek Polacek <polacek@redhat.com>
40
41 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
42 * testsuite/libitm.c/memset-1.c: Likewise.
43
b6334cf4
RH		 442014-07-24 Richard Henderson <rth@redhat.com>
45
46 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
47 addressing mode in epilogue.
48
3c698bf0
RO		 492014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
50
51 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
52 -mclear-hwcap instead.
53 * configure: Regenerate.
54 * clearcap.map: Remove.
55
dbed5a9b
JM		 562014-05-21 John Marino <gnugcc@marino.st>
57
58 * configure.tgt (*-*-dragonfly*): New target.
59
b17f08dd
RH		 602014-05-19 Richard Henderson <rth@redhat.com>
61
62 * config/aarch64/sjlj.S: New file.
63 * config/aarch64/target.h: New file.
64 * configure.tgt: Enable aarch64.
65
5e1f630a
RO		 662014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
67
68 * config/generic/asmcfi.h: Also check for
69 __GCC_HAVE_DWARF2_CFI_ASM.
70
84c2f4b0
RH		 712013-04-02 Richard Henderson <rth@redhat.com>
72
73 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
74 * config/arm/target.h, config/sh/target.h: Likewise.
75 * config/sparc/target.h, config/x86/target.h: Likewise.
76
7cc51d64
JJ		 772014-03-26 Jakub Jelinek <jakub@redhat.com>
78
79 * config/linux/futex_bits.h: Include errno.h.
80 (sys_futex0): If syscall returns -1, return -errno rather than
81 -1.
82
c288ec8f
JM		 832014-03-26 Joseph Myers <joseph@codesourcery.com>
84
85 * libitm.texi (Index): Rename to Library Index.
86
ed100f5d
L		 872014-01-13 H.J. Lu <hongjiu.lu@intel.com>
88
89 PR libitm/53113
90 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
91 (x86_avx.lo): Append -mavx to CXXFLAGS.
92 * Makefile.in: Regenerate.
93
f93608e6
RS		 942014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
95
96 Update copyright years
97
98db73df
TB		 982014-01-02 Tobias Burnus <burnus@net-b.de>
99
100 * libitm.texi: Bump @copying's copyright year.
101
b54214fe
UW		 1022013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
103
104 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
105 (FUNC): Define ELFv2 variant.
106 (END): Likewise.
107 (HIDDEN): Likewise.
108 (CALL): Likewise.
109 (BASE): Likewise.
110 (LR_SAVE): Likewise.
111
3cbe17f7
AM		 1122013-09-20 Alan Modra <amodra@gmail.com>
113
114 * configure: Regenerate.
115
6fb471d8
TR		 1162013-08-30 Torvald Riegel <triegel@redhat.com>
117
118 * config/posix/rwlock.cc: Fix initialization order.
119
bec9ec3f
TR		 1202013-08-30 Torvald Riegel <triegel@redhat.com>
121
122 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
123 (htm_fastpath): Assign an asm name.
124 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
125 HTM fast paths.
126 (_ITM_actions): Likewise.
127 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
128 x86_64.
129 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
130 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
131 field to the start of the structure.
132 * config/linux/rwlock.h (gtm_rwlock): Update comments.
133 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
134 handling for custom HTM fast paths.
135
1869217f
AK		 1362013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
137 Revert:
138 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
139
140 * configure.tgt: Add -msoft-float to XCFLAGS.
141
d62d5152
AK		 1422013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
143
144 * configure.tgt: Add -msoft-float to XCFLAGS.
145
aaaffb2a
AK		 1462013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
147
148 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
149 (htm_transaction_active): Enable zEC12 instructions in the
150 assembler.
151 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
152
167f68ed
AK		 1532013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
154
155 * acinclude.m4: Add htm asm check for s390.
156 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
157 * configure: Regenerate.
158 * config/s390/target.h: Remove __HTM__ check.
159 (htm_available): Call getauxval to get hwcaps and check whether
160 HTM is available or not.
161
0258b6e4
PB		 1622013-07-15 Peter Bergner <bergner@vnet.ibm.com>
163
164 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
165 * configure.ac: Use it.
166 (AC_CHECK_HEADERS): Check for sys/auxv.h.
167 (AC_CHECK_FUNCS): Check for getauxval.
168 * config.h.in, configure: Rebuild.
169 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
170 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
171 (USE_HTM_FASTPATH): Define.
172 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
173 _HTM_RETRIES) New macros.
174 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
175 htm_begin_success, htm_commit, htm_transaction_active): New functions.
176
5a3fe9b6
AK		 1772013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
178
179 * config/s390/target.h: Include htmintrin.h.
180 (_HTM_ITM_RETRIES): New macro definition.
181 (htm_available, htm_init, htm_begin, htm_begin_success)
182 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
183
6c84d576
IS		 1842013-06-20 Iain Sandoe <iain@codesourcery.com>
185 Cesar Philippidis <cesar@codesourcery.com>
186
187 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
188 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
189 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
190 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
191
480c696b
TR		 1922013-06-20 Torvald Riegel <triegel@redhat.com>
193
194 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
195 (_ITM_getTransactionId): Same.
196 * config/x86/target.h (htm_transaction_active): New.
197
b1db457b
TR		 1982013-06-20 Torvald Riegel <triegel@redhat.com>
199
200 PR libitm/57643
201 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
202 the HTM fastpath.
203
51249377
GP		 2042013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
205
206 PR bootstrap/56714
207 * local_atomic (__always_inline): Always define our version.
208 (__calculate_memory_order): Mark inline.
209 (atomic_thread_fence): Ditto.
210 (atomic_signal_fence): Ditto.
211 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
212 (atomic_bool::atomic_flag_clear_explicit): Ditto.
213 (atomic_bool::atomic_flag_test_and_set): Ditto.
214 (atomic_bool::atomic_flag_clear): Ditto.
215
f818478b
JJ		 2162013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
217
218 * config/s390/sjlj.S: New file.
219 * config/s390/target.h: New file.
220 * configure.tgt: Set options for S/390.
221
ab4425be
AK		 2222013-03-23 Andi Kleen <ak@linux.intel.com>
223
224 * local_atomic (__always_inline): Add.
225 (__calculate_memory_order, atomic_thread_fence,
226 atomic_signal_fence, test_and_set, clear, store, load,
227 exchange, compare_exchange_weak, compare_exchange_strong,
228 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
229 Add __always_inline to force inlining.
230
6c59ffd1
IS		 2312013-02-11 Iain Sandoe <iain@codesourcery.com>
232 Jack Howarth <howarth@bromo.med.uc.edu>
233 Patrick Marlier <patrick.marlier@gmail.com>
234
235 PR libitm/55693
236 * alloc_cpp.cc: Enable function declarations on darwin.
237 * eh_cpp.cc: Likewise.
238
75f9527c
RS		 2392013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
240
241 Update copyright years.
242
64fbcc74
TR		 2432012-11-09 Torvald Riegel <triegel@redhat.com>
244
245 * beginend.cc (htm_fastpath): New.
246 (gtm_thread::begin_transaction, _ITM_commitTransaction,
247 _ITM_commitTransactionEH): Add HTM fastpath handling.
248 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
249 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
250 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
251 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
252 * configure.tgt: Add -mrtm to XCFLAGS.
253 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
254 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
255 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
256 * retry.cc (parse_default_method): Add HTM method parsing.
257 (gtm_thread::number_of_threads_changed): Use HTM by default if
258 available.
259
b9efc877
TS		 2602012-11-04 Thomas Schwinge <thomas@codesourcery.com>
261
262 * configure: Regenerate.
263
07d3b5c8
RH		 2642012-10-31 Richard Henderson <rth@redhat.com>
265
266 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
267 * configure.ac: Use it.
268 * config.h.in, configure: Rebuild.
269 * testsuite/Makefile.in: Rebuild.
270
eb00e959
TR		 2712012-10-24 Torvald Riegel <triegel@redhat.com>
272
273 * libitm.texi: Clarify ABI requirements for data-logging functions.
274
b679c813
TR		 2752012-10-24 Torvald Riegel <triegel@redhat.com>
276
277 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
278 it requires serial mode instead of assuming that for certain
279 dispatchs.
280 * dispatch.h (abi_dispatch::requires_serial): New.
281 (abi_dispatch::abi_dispatch): Adapt.
282 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
283 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
284 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
285 serial_dispatch::serial_dispatch,
286 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
287
0c609a21
UB		 2882012-10-02 Uros Bizjak <ubizjak@gmail.com>
289
290 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
291 and ia32 declarations some more.
292 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
293
c0758df9
JJ		 2942012-09-20 Jakub Jelinek <jakub@redhat.com>
295
296 PR other/43620
297 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
298 * configure: Regenerate.
299 * Makefile.in: Regenerate.
300
690c45b8
DE		 3012012-09-14 David Edelsohn <dje.gcc@gmail.com>
302
303 * configure: Regenerated.
304
68a12ef3
UB		 3052012-07-31 Uros Bizjak <ubizjak@gmail.com>
306
307 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
308
f2f9a097
PM		 3092012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
310
311 * eh_cpp.cc: Fix __cxa_end_catch declaration.
312
e6d5f8c9
L		 3132012-05-16 H.J. Lu <hongjiu.lu@intel.com>
314
315 * configure: Regenerated.
316
0100e3b3
L		 3172012-04-04 H.J. Lu <hongjiu.lu@intel.com>
318
319 PR libitm/52854
320 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
321 for x86-64.
322
2f6935f4
TG		 3232012-04-03 Tristan Gingold <gingold@adacore.com>
324
325 * configure: Regenerate.
326
b9c23a61
L		 3272012-03-31 H.J. Lu <hongjiu.lu@intel.com>
328
329 PR bootstrap/52812
330 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
331
6a26a74d
BRF		 3322012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
333
334 * testsuite/lib/libitm.exp: load fortran-modules.exp
335
b24513a1
RO		 3362012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
337
338 * configure.tgt (*-*-irix6*): Remove.
339
0d23faac
TR		 3402012-03-13 Torvald Riegel <triegel@redhat.com>
341
342 PR libitm/52526
343 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
344 wake-up.
345
5c30094f
RO		 3462012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
347
348 * configure.tgt (*-*-osf*): Remove.
349 * configure: Regenerate.
350
d28b0b08
TR		 3512012-03-05 Torvald Riegel <triegel@redhat.com>
352
353 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
354 memtransfer/memset if size isn't larger than zero.
355
034209bc
TR		 3562012-03-02 Torvald Riegel <triegel@redhat.com>
357
358 * libitm.texi: Link to specification and add a usage example.
359
bc8da6ba
TR		 3602012-02-24 Torvald Riegel <triegel@redhat.com>
361
362 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
363 default dispatch for more than 1 thread to ml_wt.
364
63b08143
TR		 3652012-02-20 Torvald Riegel <triegel@redhat.com>
366
367 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
368
4c9bd6ac
TR		 3692012-02-20 Torvald Riegel <triegel@redhat.com>
370
371 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
372
651ff415
TR		 3732012-02-20 Torvald Riegel <triegel@redhat.com>
374
375 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
376 serial mode corner cases made obsolete by prior gtm_rwlock changes.
377 (gl_wt_dispatch.rollback): Same.
378
efee0113
TR		 3792012-02-20 Torvald Riegel <triegel@redhat.com>
380
381 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
382
33a03827
TR		 3832012-02-20 Torvald Riegel <triegel@redhat.com>
384
385 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
386 for RfW src. Optimize number of calls to gtm_thr.
387
a19db3f2
TR		 3882012-02-20 Torvald Riegel <triegel@redhat.com>
389
390 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
391 acquisition to ...
392 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
393 (default_dispatch): Make atomic.
394 (GTM::gtm_thread::set_default_dispatch): Access atomically.
395 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
396 use decide_begin_dispatch() if default_dispatch might have changed.
397 (GTM::gtm_thread::number_of_threads_changed): Initialize
398 default_dispatch here.
399
e948a1fb
IS		 4002012-02-15 Iain Sandoe <iains@gcc.gnu.org>
401 Patrick Marlier <patrick.marlier@gmail.com>
402
403 PR libitm/52220
404 * alloc_cpp.cc: No dummy definitions for darwin.
405 * eh_cpp.cc: Likewise.
406
72824d5e
RH		 4072012-02-14 Richard Henderson <rth@redhat.com>
408
409 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
410
1f319dba
UB		 4112012-02-14 Uros Bizjak <ubizjak@gmail.com>
412
413 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
414
31772c95
TR		 4152012-02-14 Torvald Riegel <triegel@redhat.com>
416
417 * libitm_i.h (GTM::gtm_rwlog_entry): New.
418 (GTM::gtm_thread): Add read and write logs.
419 (GTM::dispatch_ml_wt): Declare.
420 * retry.cc (parse_default_method): Support ml_wt.
421 * method-ml.cc: New file.
422 * Makefile.am: Add method-ml.cc.
423 * Makefile.in: Regenerate.
424
5b9cf5d2
TR		 4252012-02-14 Torvald Riegel <triegel@redhat.com>
426
427 * dispatch.h (GTM::abi_dispatch::supports): New.
428 (GTM::method_group::reinit): New.
429 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
430 (GTM::gtm_thread::number_of_threads_changed): Check that the method
431 supports the current situation.
432
7d33bcb7
TR		 4332012-02-14 Torvald Riegel <triegel@redhat.com>
434
435 * util.cc (GTM::xcalloc): New.
436 * common.h (GTM::xcalloc): Declare.
437
62513f7b
EB		 4382012-02-14 Eric Botcazou <ebotcazou@adacore.com>
439
440 * config/sparc/target.h (cpu_relax): Read from CC register.
441 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
442
4432012-02-14 Uros Bizjak <ubizjak@gmail.com>
d4a698d4
UB		 444
445 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
446
f3f5e3c3
EB		 4472012-02-13 Eric Botcazou <ebotcazou@adacore.com>
448
62513f7b 449 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
f3f5e3c3
EB		 450 * config/sparc/cacheline.h: New file.
451 * config/sparc/target.h: Likewise.
452 * config/sparc/sjlj.S: Likewise.
453 * config/linux/sparc/futex_bits.h: Likewise.
454
4552012-02-13 Eric Botcazou <ebotcazou@adacore.com>
255a9a1b
EB		 456
457 * configure.ac (link_itm): Fix comment.
458 * configure: Regenerate.
459 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
460
681355e3
RO		 4612012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
462
fc985d2f 463 PR libitm/51822
62513f7b 464 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
681355e3
RO		 465 Correct libgomp references.
466
999bcff5
TR		 4672012-01-24 Torvald Riegel <triegel@redhat.com>
468
469 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
470 wake-up.
471
9848887a
UB		 4722012-01-24 Uros Bizjak <ubizjak@gmail.com>
473
474 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
475 end of structure.
476 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
477 offset values. Do not copy return address. Decrement stack
478 by 56 bytes only.
479 (GTM_longjump) [__x86_64__]: Update offset values.
480
5752c591
UB		 4812012-01-23 Uros Bizjak <ubizjak@gmail.com>
482
483 PR libitm/51830
484 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
485 the first function argument to %eax.
486
61e72ca4
RO		 4872012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
488
489 * libitm.h (_ITM_getThreadnum): Remove.
490 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
491
9ce91011
RO		 4922012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
493
494 * clearcap.map: New file.
495 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
496 * configure.ac: Call it.
497 Clear HWCAP_LDFLAGS if defaulting to -mavx.
498 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
499 * configure: Regenerate.
500 * Makefile.in: Regenerate.
501 * testsuite/Makefile.in: Regenerate.
502
3b4f05ec
RO		 5032012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
504
505 PR libitm/51173
506 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
507 include, exclude options.
508
aab74ee9
TR		 5092012-01-14 Torvald Riegel <triegel@redhat.com>
510
511 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
512 rolling back.
513 * containers.h (GTM::vector::set_size): New.
514
07b6642b
TR		 5152012-01-14 Torvald Riegel <triegel@redhat.com>
516
517 PR libitm/51855
518 * config/generic/tls.h (GTM::mask_stack_top): New.
519 (GTM::mask_stack_bottom): Declare.
520 * config/generic/tls.c (GTM::mask_stack_bottom): New.
521 * local.cc (gtm_undolog::rollback): Filter out any updates that
522 overlap the libitm stack. Add current transaction as parameter.
523 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
524 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
525 * testsuite/libitm.c/stackundo.c: New test.
526
8377e5e5
RH		 5272012-01-10 Richard Henderson <rth@redhat.com>
528
529 * libitm_i.h (_Unwind_DeleteException): Declare weak.
530 * eh_cpp.cc (_Unwind_DeleteException): Define for
531 !HAVE_ELF_STYLE_WEAKREF.
532
11f30bb0
TR		 5332012-01-08 Torvald Riegel <triegel@redhat.com>
534
535 * local.cc (GTM_LB): Use GTM::gtm_undolog.
536 (GTM::gtm_thread::drop_references_undolog): Remove.
537 (GTM::gtm_thread::commit_undolog,
538 GTM::gtm_thread::rollback_undolog): Move to ...
539 * libitm_i.h (GTM::gtm_undolog): ...here. New.
540 (GTM::gtm_undolog_entry): Remove.
541 (GTM::gtm_thread): Adapt.
542 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
543 (GTM::gtm_thread::trycommit): Adapt.
544 * method-serial.cc (serial_dispatch::log): Adapt.
545 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
546 (gl_wt_dispatch::store): Fix likely/unlikely.
547 * containers.h (GTM::vector::resize): Add additional_capacity
548 parameter and handle it.
549 (GTM::vector::resize_noinline): New/adapt.
550 (GTM::vector::push): New.
551
a32e5e93
RH		 5522012-01-06 Richard Henderson <rth@redhat.com>
553
554 * configure.tgt: Support powerpc-linux and powerpc-darwin.
555 * config/linux/powerpc/futex_bits.h: New file.
556 * config/powerpc/cacheline.h: New file.
557 * config/powerpc/sjlj.S: New file.
558 * config/powerpc/target.h: New file.
559 * config/generic/asmcfi.h (cfi_offset): New.
560 (cfi_restore, cfi_undefined): New.
561
1f53a8e6
AH		 5622012-01-05 Aldy Hernandez <aldyh@redhat.com>
563
564 PR other/51171
565 * testsuite/libitm.c/reentrant.c: Remove xfail.
566 (thread): Pass x to pure().
be223aaf 567 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 568
c898f7b8
TR		 5692011-12-24 Torvald Riegel <triegel@redhat.com>
570
571 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
572 privatization safety if already in serial mode.
573
610e3901
TR		 5742011-12-24 Torvald Riegel <triegel@redhat.com>
575
576 * beginend.cc (GTM::gtm_thread::restart): Add and handle
577 finish_serial_upgrade parameter.
578 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
579 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
580 Don't unset reader flag.
581 (GTM::gtm_rwlock::write_upgrade_finish): New.
582 * config/posix/rwlock.cc: Same.
583 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
584 Declare.
585 * config/posix/rwlock.h: Same.
586 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
587 flag after commit or after rollback when restarting.
588
799142bf
TR		 5892011-12-24 Torvald Riegel <triegel@redhat.com>
590
591 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
592 (GTM::gtm_thread::try_commit): Changed memory order.
593 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
594 as parameter.
595 * config/linux/x86/futex_bits.h (sys_futex0): Same.
596 * config/linux/sh/futex_bits.h (sys_futex0): Same.
597 * config/linux/futex_bits.h (sys_futex0): Same.
598 * config/linux/futex.cc (futex_wait, futex_wake): Same.
599 * config/linux/futex.h (futex_wait, futex_wake): Same.
600 * config/linux/rwlock.h (gtm_rwlock::writers,
601 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
602 ints.
603 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
604 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
605 gtm_rwlock::write_unlock): Fix memory orders and fences.
606 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
607 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
608 gtm_rwlock::write_unlock): Same.
609 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
610 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
611 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
612 Add comments.
613 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
614 gl_wt_dispatch::load, gl_wt_dispatch::store,
615 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
616 orders and fences. Add comments.
617
b0f96e35
JJ		 6182011-12-21 Jakub Jelinek <jakub@redhat.com>
619
620 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
621 * Makefile.in: Regenerated.
622
cc163247
KK		 6232011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
624
625 * configure.tgt: Add sh* case.
626 * config/sh/target.h: New file.
627 * config/sh/sjlj.S: New file.
628 * config/linux/sh/futex_bits.h: New file.
629
aebac0ca
RH		 6302011-12-14 Richard Henderson <rth@redhat.com>
631
632 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
633 * config/arm/sjlj.S, config/arm/target.h: New files.
634 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
635 (cfi_rel_offset): New.
636 * config/linux/futex_bits.h: New file.
637 * config/linux/futex.cc: Include futex_bits.h here...
638 * config/linux/futex.h: ... not here.
639 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
640 * configure.ac (ARCH_AM): New conditional.
641 * Makefile.in, configure: Rebuild.
642 * configure.tgt: Handle ARM.
643
36cfbee1
RH		 6442011-12-13 Richard Henderson <rth@redhat.com>
645
5d9d05d3
RH		 646 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
647 signed/unsigned comparison werror.
648
36cfbee1
RH		 649 * local_atomic: New file.
650 * libitm_i.h: Include it.
651 (gtm_thread::shared_state): Use atomic template.
652 * beginend.cc (GTM::gtm_clock): Use atomic template.
653 (global_tid): Use atomic template if 64-bit atomics available.
654 (gtm_thread::gtm_thread): Update shared_state access.
655 (gtm_thread::trycommit): Likewise.
656 (choose_code_path): Update global_tid access.
657 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
658 * stmlock.h (GTM::gtm_clock): Use atomic template.
659 (gtm_get_clock, gtm_inc_clock): Update accesses.
660 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
661 redundant __sync_synchronize after atomic shared_state access.
662 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
663 (gtm_rwlock::write_lock_generic): Likewise.
664 (gtm_rwlock::read_unlock): Likewise.
665 * config/alpha/target.h (atomic_read_barrier): Remove.
666 (atomic_write_barrier): Remove.
667 * config/x86/target.h (atomic_read_barrier): Remove.
668 (atomic_write_barrier): Remove.
669
062f93f2
RH		 6702011-11-30 Richard Henderson <rth@redhat.com>
671
672 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
673 * beginend.c (_ITM_abortTransaction): Update to match.
674 (GTM::gtm_thread::restart): Likewise.
675 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
676 * config/x86/sjlj.S (GTM_longjmp): Likewise.
677
bd8aaa86
IS		 6782011-11-23 Iain Sandoe <iains@gcc.gnu.org>
679
680 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
681 * Makefile.in: Regenerate.
682
8cf36bb3
IS		 6832011-11-22 Iain Sandoe <iains@gcc.gnu.org>
684
685 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
686 * alloc_cpp.cc: Generate dummy functions if we don't
687 HAVE_ELF_STYLE_WEAKREF.
688 * eh_cpp.cc: Likewise.
689 * configure: Regenerate.
690 * aclocal.m4: Likewise.
691 * config.h.in: Likewise.
692 * Makefile.in: Likewise.
693 * testsuite/Makefile.in: Likewise.
694
0b41ebef
IS		 6952011-11-22 Iain Sandoe <iains@gcc.gnu.org>
696
697 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
698 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 699 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 700 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
701 in portability to non-elf targets.
8cf36bb3 702 (GTM_longjmp): Likewise.
0b41ebef
IS		 703 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
704 where required.
705
9c9d352a
IS		 7062011-11-22 Iain Sandoe <iains@gcc.gnu.org>
707
708 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
709 * testsuite/libitm.c/memset-1.c: Likewise.
710
c6084f68
AT		 7112011-11-21 Andreas Tobler <andreast@fgznet.ch>
712
713 * configure: Regenerate.
714
adcd36bc
RO		 7152011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
716
717 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
718 (LIBITM_ENABLE_SYMVERS): Handle sun style.
719 * Makefile.am: Handle sun style versioning.
720 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
721 * configure: Regenerate.
722 * Makefile.in: Regenerate.
723
59659b59
RO		 7242011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
725
726 * config/generic/asmcfi.h: Fix comment.
727 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
728 sequence without .hidden support, error for non-ELF targets.
729 (GTM_longjmp) [__ELF__]: Only use .hidden if
730 HAVE_ATTRIBUTE_VISIBILITY.
731
d846e425
RO		 7322011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
733
734 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
735 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
736 Dummy functions.
737 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
738 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
739
80713347
UB		 7402011-11-16 Uros Bizjak <ubizjak@gmail.com>
741
742 PR bootstrap/51098
743 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
744 * configure: Regenerate.
745
2841f85e
L		 7462011-11-14 H.J. Lu <hongjiu.lu@intel.com>
747
748 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
749
8851b429
RO		 7502011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
751
752 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
753 .hidden.
754 (.note.GNU-stack): Only use if __linux__.
755 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
756 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
757 * testsuite/libitm.c/reentrant.c: Likewise.
758 * testsuite/libitm.c/simple-2.c: Likewise.
759 * testsuite/libitm.c/txrelease.c: Likewise.
760 * testsuite/libitm.c++/static_ctor.C: Likewise.
761
d4b17902
RH		 7622011-11-10 Richard Henderson <rth@redhat.com>
763
764 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
765 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
766 * configure.ac (ARCH_X86_AVX): New conditional.
767 * Makefile.in, configure: Rebuild.
768
430616e7
RH		 7692011-11-09 Richard Henderson <rth@redhat.com>
770
771 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
772 * configure.ac: Use it.
773 * config.h.in, configure: Rebuild.
774 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
775
79b1edb6
RH		 7762011-11-09 Richard Henderson <rth@redhat.com>
777
778 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
779 * config/alpha/unaligned.h: Remove file.
780 * config/generic/unaligned.h: Remove file.
781 * config/x86/unaligned.h: Remove file.
782 * config/generic/cachepage.h: Remove file.
783 * config/posix/cachepage.cc: Remove file.
784 * config/generic/cacheline.cc: Remove file.
785 * config/x86/cacheline.cc: Remove file.
786 * config/generic/cacheline.h (gtm_cacheline): Remove the
787 store_mask, copy_mask, copy_mask_wb methods.
788 * config/x86/cacheline.h: Likewise.
789 * config/alpha/cacheline.h: Fall back to generic after setting size.
790 * config/generic/tls.cc (gtm_mask_stack): Remove.
791 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
792 (GTM_vpalignr_table): Remove.
793 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
794 (GTM_pshift_table): Remove.
795 * config/libitm_i.h: Don't include cachepage.h.
796 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
797 * Makefile.in, testsuite/Makefile.in: Rebuild.
798
4bdd090f
RH		 7992011-11-09 Richard Henderson <rth@redhat.com>
800
8ee9fac2
RH		 801 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
802 to emit branch prediction hint.
803
9bdc6343
RH		 804 * config/x86/sjlj.S: Protect elf directives with __ELF__.
805 Protect .note.GNU-stack with __linux__.
806
4bdd090f
RH		 807 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
808 * configure, aclocal.m4, config.h.in: Rebuild.
809 * config/generic/asmcfi.h: New file.
810 * config/x86/sjlj.S: Use it.
811
4408b086
RH		 8122011-11-08 Richard Henderson <rth@redhat.com>
813
814 * local.cc (_ITM_LB): Use a normal call, not a function alias.
815
01f3428c
RH		 8162011-11-08 Richard Henderson <rth@redhat.com>
817
3d3b05ff
RH		 818 * configure.tgt: Test correct directory for supported cpus.
819
01f3428c
RH		 820 * configure.ac: Exit if unsupported.
821 * configure: Rebuild.
822 * configure.tgt: Delete boilerplate from libgomp for unsupported
823 targets. Set UNSUPPORTED for unsupported targets.
824
07f03cd3
RO		 8252011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
826
827 * configure.tgt: Handle i386 like i[456]86.
828 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
829 take address.
830 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
831 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
832
0a35513e
AH		 8332011-11-05 Aldy Hernandez <aldyh@redhat.com>
834
835 * method-wbetl.cc: Update copyright notice.
836 * aatree.cc: Same.
837 * util.cc: Same.
838 * libitm.h: Same.
839 * memset.cc: Same.
840 * eh_cpp.cc: Same.
841 * barrier.tpl: Same.
842 * useraction.cc: Same.
843 * stmlock.h: Same.
844 * memcpy.cc: Same.
845 * common.h: Same.
846 * config/generic/tls.cc: Same.
847 * config/generic/cacheline.h: Same.
848 * config/generic/cachepage.h: Same.
849 * config/generic/cacheline.cc: Same.
850 * config/generic/unaligned.h: Same.
851 * config/x86/cacheline.h: Same.
852 * config/x86/cacheline.cc: Same.
853 * config/x86/unaligned.h: Same.
854 * config/alpha/cacheline.h: Same.
855 * config/alpha/unaligned.h: Same.
856 * config/alpha/sjlj.S: Same.
857 * config/posix/cachepage.cc: Same.
858 * config/linux/futex.h: Same.
859 * config/linux/alpha/futex_bits.h: Same.
860
8612011-11-04 Torvald Riegel <triegel@redhat.com>
862
863 * libitm.texi: No cover text and invariant sections.
864
8652011-11-03 Richard Henderson <rth@redhat.com>
866
867 * local_type_traits: New file.
868 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
869
8702011-11-03 Richard Henderson <rth@redhat.com>
871
872 * configure.ac: Don't test for gfortran.
873 * configure: Rebuild.
874
875 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
876 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
877
8782011-11-03 Aldy Hernandez <aldyh@redhat.com>
879
880 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
881 * testsuite/libitm.c/memset-1.c: Same.
882 * testsuite/libitm.c/c.exp: Same.
883 * testsuite/lib/libitm-dg.exp: Same.
884 * testsuite/lib/libitm.exp: Same.
885 * testsuite/libitm.c++/c++.exp: Same.
886
8872011-11-03 Aldy Hernandez <aldyh@redhat.com>
888
889 * testsuite/config/default.exp: Update copyright date.
890 * configure.ac: Add copyright info.
891 * configure.tgt: Same.
892
8932011-11-03 Aldy Hernandez <aldyh@redhat.com>
894
895 * testsuite/libitm.c/reentrant.c: XFAIL.
896 * testsuite/libitm.c++/static_ctor.C: XFAIL.
897
8982011-10-29 Torvald Riegel <triegel@redhat.com>
899
900 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
901 handle aborts.
902 (_ITM_abortTransaction): Handle aborts of outer transactions.
903 * libitm_i.h: Same.
904 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
905 * libitm.texi: Document aborts of outer transactions.
906 * testsuite/libitm.c/cancel.c: New file.
907
9082011-10-19 Torvald Riegel <triegel@redhat.com>
909
910 * testsuite/*: Change __transaction to __transaction_atomic or
911 __transaction_relaxed.
912
9132011-10-19 Torvald Riegel <triegel@redhat.com>
914
915 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
916 (gtm_thr): Same.
917
9182011-10-19 Torvald Riegel <triegel@redhat.com>
919
920 * libitm_i.h: Add gl_wt dispatch.
921 * retry.cc (parse_default_method): Same.
922 * method-gl.cc: New file.
923 * Makefile.am: Use method-gl.cc.
924 * Makefile.in: Rebuild.
925
9262011-10-19 Torvald Riegel <triegel@redhat.com>
927
928 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
929 safety if requested by a TM method.
930 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
931 privatization safety.
932 * method-serial.cc: Same.
933
9342011-10-19 Torvald Riegel <triegel@redhat.com>
935
936 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
937 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
938 undolog-related member functions from *_local to *_undolog.
939 * local.cc (gtm_thread::commit_undolog): Same.
940 * beginend.cc (GTM::gtm_thread::trycommit): Same.
941 (GTM::gtm_thread::rollback): Roll back undolog before
942 dispatch-specific rollback.
943
9442011-10-19 Torvald Riegel <triegel@redhat.com>
945
946 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
947 re-initialization of the current method group.
948 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
949
9502011-10-19 Torvald Riegel <triegel@redhat.com>
951
952 * alloc.cc (commit_allocations_2): Do not free transaction-local
953 memory when committing a nested transaction.
954
9552011-10-19 Torvald Riegel <triegel@redhat.com>
956
957 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
958 serial-irrevocable dispatch, not serial.
959
9602011-10-19 Torvald Riegel <triegel@redhat.com>
961
962 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
963 declarations.
964 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
965 * method-serial.cc: Implement begin_or_restart().
966 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
967 dispatch-specific begin_or_restart().
968 (GTM::gtm_thread::restart): Same.
969
9702011-08-23 Torvald Riegel <triegel@redhat.com>
971
972 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
973 restarting without switching to serial mode.
974 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
975 transaction state. Choose closed-nesting alternative if available.
976 (GTM::gtm_thread::set_default_dispatch): New.
977 (parse_default_method): New.
978 (GTM::gtm_thread::number_of_threads_changed): New.
979 * method-serial.cc (GTM::serial_mg): New method group class.
980 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
981 fini.
982 (GTM::serial_dispatch): Same.
983 (GTM::serialirr_onwrite_dispatch): Same.
984 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
985 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
986 registered threads.
987 (GTM::gtm_thread::gtm_thread): Same.
988 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
989 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
990 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
991 choose dispatch but set state according to dispatch here.
992 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
993 (GTM::method_group): New class.
994 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
995 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
996 * libitm.texi: Document TM methods, method groups, method life cycle.
997 Rename method sets to method groups.
998
9992011-08-23 Torvald Riegel <triegel@redhat.com>
1000
1001 * config/x86/tls.h: Moved to ...
1002 * config/linux/x86/tls.h: ... here.
1003
10042011-08-23 Torvald Riegel <triegel@redhat.com>
1005
1006 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1007 Add X32 support.
1008 * config/x86/sjlj.S: Same.
1009
10102011-08-19 Torvald Riegel <triegel@redhat.com>
1011
1012 * config/linux/rwlock.h: New file.
1013 * config/linux/rwlock.c: New file.
1014 * configure.ac: Reenable futex support (undo SVN rev 157758).
1015 * Makefile.am: Same.
1016 * configure.tgt: Same.
1017 * config/linux/alpha/futex_bits.h: Same.
1018 * config/linux/futex.h: Same. Return number of woken processes.
1019 * config/linux/futex.cc: Same.
1020 (futex_wait): Remove spinning.
1021 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1022 Use __x86_64__ instead of __LP64__.
1023 * aclocal.m4: Include generic futex checks.
1024 * configure: Rebuild.
1025 * Makefile.in: Rebuild.
1026 * testsuite/Makefile.in: Rebuild.
1027 * beginend.cc: Include pthread.h.
1028 * config/posix/cachepage.cc: Same.
1029
10302011-08-12 Torvald Riegel <triegel@redhat.com>
1031
1032 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1033 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1034 (set_gtm_thr): New.
1035 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1036 (set_gtm_thr): New.
1037 (GTM::gtm_thread::thread_num): Removed.
1038 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1039 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1040 tx-to-thread renaming.
1041 * beginend.cc: Adapted to tx-to-thread renaming.
1042 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1043 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1044 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1045 gtm_transaction to gtm_thread.
1046 (_ITM_getThreadnum): Removed. Not supported anymore.
1047 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1048 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1049 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1050 gtm_tx-to-gtm_thr renaming if necessary.
1051 * eh_cpp.cc: Same.
1052 * local.cc: Same.
1053 * retry.cc: Same.
1054 * clone.cc: Same.
1055 * alloc.cc: Same.
1056 * alloc_c.cc: Same.
1057 * alloc_cpp.cc: Same.
1058 * method-serial.cc: Same.
1059 * config/generic/tls.cc: Same.
1060 * config/posix/rwlock.h (gtm_rwlock): Same.
1061 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1062
10632011-08-12 Torvald Riegel <triegel@redhat.com>
1064
1065 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1066 implementation.
1067 (gtm_rwlock::read_unlock): Same.
1068 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1069 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1070 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1071 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1072 w_upgrade. Replaced by per-transaction flags (in shared_state).
1073 Added c_confirmed_writers.
1074 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1075 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1076 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1077 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1078 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1079 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1080 * libitm.texi: Document locking conventions and implementations in
1081 libitm.
1082
10832011-08-12 Torvald Riegel <triegel@redhat.com>
1084
1085 * libitm_i.h (next_tx): Add list of all threads' transaction.
1086 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1087 transaction with list of transactions and ...
1088 (thread_exit_handler): ... deregister here.
1089 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1090 * config/x86/target.h: Same.
1091
10922011-08-12 Torvald Riegel <triegel@redhat.com>
1093
1094 * testsuite/libitm.c++/static_ctor.C: New file.
1095
10962011-08-12 Torvald Riegel <triegel@redhat.com>
1097
1098 * testsuite/libitm.c/reentrant.c: New file.
1099
11002011-08-12 Torvald Riegel <triegel@redhat.com>
1101
1102 * config/generic/tls.h: Remove the free list for transactions and ...
1103 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1104 (GTM::gtm_transaction::operator delete): ... and release here.
1105 (thread_exit_handler): New. Delete tx when thread terminates.
1106 (thread_exit_init): New.
1107 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1108 * testsuite/libitm.c/txrelease.c: New file.
1109
11102011-08-12 Torvald Riegel <triegel@redhat.com>
1111
1112 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1113 * testsuite/libitm.c/notx.c: New file.
1114
11152011-08-12 Torvald Riegel <triegel@redhat.com>
1116
1117 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1118 * libitm_i.h (local_tid): ... to here.
1119 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1120 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1121
11222011-08-12 Torvald Riegel <triegel@redhat.com>
1123
1124 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1125 serialirr_onwrite_dispatch as new default for now.
1126 * method-serial.cc (serialirr_onwrite_dispatch): New.
1127 (GTM::dispatch_serialirr_onwrite): New.
1128 * libitm_i.h: Same.
1129
11302011-08-12 Torvald Riegel <triegel@redhat.com>
1131
1132 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1133 * query.cc (_ITM_getTransactionId): There is no active transaction if
1134 the current nesting level is zero.
1135
11362011-07-28 Torvald Riegel <triegel@redhat.com>
1137
1138 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1139 rollback.
1140
11412011-07-28 Torvald Riegel <triegel@redhat.com>
1142
1143 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1144 transaction properties from the caller instead of from the
1145 transaction object.
1146 * libitm_i.h: Same.
1147 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1148
11492011-07-28 Torvald Riegel <triegel@redhat.com>
1150
1151 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1152 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1153 * dispatch.h: Same.
1154 * method-serial.cc: Same.
1155 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1156 flat nesting as default, and closed nesting on demand.
1157 (GTM::gtm_transaction::rollback): Same.
1158 (_ITM_abortTransaction): Same.
1159 (GTM::gtm_transaction::restart): Same.
1160 (GTM::gtm_transaction::trycommit): Same.
1161 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1162 (choose_code_path): New.
1163 (GTM::gtm_transaction_cp::save): New.
1164 (GTM::gtm_transaction_cp::commit): New.
1165 * query.cc (_ITM_inTransaction): Support flat nesting.
1166 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1167 (GTM::gtm_transaction): Support flat and closed nesting.
1168 * alloc.cc (commit_allocations_2): New.
1169 (commit_cb_data): New helper struct.
1170 (GTM::gtm_transaction::commit_allocations): Handle nested
1171 commits/rollbacks.
1172 * libitm.texi: Update user action section, add description of nesting.
1173
11742011-07-28 Torvald Riegel <triegel@redhat.com>
1175
1176 * libitm_i.h: Add closed nesting as restart reason.
1177 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1178
11792011-07-28 Torvald Riegel <triegel@redhat.com>
1180
1181 * useraction.cc: Use vector instead of list to store actions.
1182 Also support partial rollbacks for closed nesting.
1183 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1184 * beginend.cc: Same.
1185
11862011-07-28 Torvald Riegel <triegel@redhat.com>
1187
1188 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1189 closed_nesting flags, as well as a closed nesting alternative.
1190 * method-serial.cc: Same.
1191 (serial_dispatch): Renamed to serialirr_dispatch.
1192 (GTM::dispatch_serialirr): Same.
1193 (serial_dispatch_ul): Renamed to serial_dispatch.
1194 (GTM::dispatch_serial): Same.
1195
11962011-07-28 Torvald Riegel <triegel@redhat.com>
1197
1198 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1199
12002011-07-28 Torvald Riegel <triegel@redhat.com>
1201
1202 * aatree.h (aa_tree::remove): New.
1203 (aa_tree::operator new): Add placement new.
1204
12052011-07-02 Torvald Riegel <triegel@redhat.com>
1206
1207 * containers.h: New file.
1208 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1209 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1210 * common.h: ... to here.
1211 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1212 * local.cc: Same.
1213
12142011-06-30 Torvald Riegel <triegel@redhat.com>
1215
1216 * libitm_i.h (STATE_ABORTING): Remove.
1217 * beginend.cc (_ITM_abortTransaction): Same.
1218 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1219 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1220 (_ITM_rollbackTransaction): Remove.
1221 * beginend.cc: Same.
1222 * libitm.map: Same.
1223 * libitm.texi: Document these ABI changes.
1224
12252011-06-30 Torvald Riegel <triegel@redhat.com>
1226
1227 * libitm.texi: New file.
1228 * Makefile.am: Add libitm.texi.
1229 * Makefile.in: Rebuild.
1230
12312011-06-30 Torvald Riegel <triegel@redhat.com>
1232
1233 * libitm_i.h: Move parts to common.h and dispatch.h.
1234 * common.h: New file.
1235 * dispatch.h: New file, new dispatch class.
1236 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1237 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1238 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1239 decision to retry.cc.
1240 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1241 only.
1242 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1243 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1244 logging.
1245 * barrier.cc: Use new barriers definitions.
1246 (abi_dispatch::memmove_overlap_check): New.
1247 * config/x86/x86_sse.cc: Same.
1248 * config/x86/x86_avx.cc: Same.
1249 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1250 memcpy.cc.
1251 * Makefile.in: Rebuild.
1252 * method-readonly.cc: Remove.
1253 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1254 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1255
12562011-06-30 Torvald Riegel <triegel@redhat.com>
1257
1258 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1259 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1260 * testsuite/libitm.c/dropref-2.c: Same.
1261 * testsuite/libitm.c/dropref.c: Same.
1262
12632011-06-30 Torvald Riegel <triegel@redhat.com>
1264
1265 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1266 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1267 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1268 * alloc_c.cc: Same.
1269 * barrier.tpl: Same.
1270 * beginend.c: Same.
1271 * config/generic/tls.h: Same.
1272 * config/x86/tls.h: Same.
1273 * libitm_i.h: Same.
1274 * memcpy.cc: Same.
1275 * memset.cc: Same.
1276 * method-readonly.cc: Same.
1277 * method-serial.cc: Same.
1278 * method-wbetl.cc: Same.
1279 * retry.cc: Same.
1280
12812011-03-03 Richard Henderson <rth@redhat.com>
1282
1283 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1284 From Patrik Marlier <patrick.marlier@unine.ch>.
1285
12862011-02-03 Richard Henderson <rth@redhat.com>
1287
1288 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1289 * configure.ac: Use it.
1290 * configure, config.h.in: Rebuild.
1291 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1292 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1293 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1294 * libitm.map: Use wildcards to match size_t mangling.
1295
12962010-12-14 Richard Henderson <rth@redhat.com>
1297
1298 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1299 blocks of TIDs per thread.
1300 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1301 (setup_gtm_thr): Return the thread structure.
1302 * config/x86/tls.h (setup_gtm_thr): Likewise.
1303
13042010-12-14 Richard Henderson <rth@redhat.com>
1305
1306 * clone.cc (table_lock): Remove.
1307 (find_clone): Don't take it.
1308 (ExcludeTransaction): New helper class.
1309 (_ITM_registerTMCloneTable): Use it.
1310 (_ITM_deregisterTMCloneTable): Likewise.
1311
13122010-12-14 Richard Henderson <rth@redhat.com>
1313
1314 * config/x86/tls.h: New file.
1315
13162010-07-15 Richard Henderson <rth@redhat.com>
1317
1318 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1319 * Makefile.in: Rebuild.
1320
13212010-07-13 Aldy Hernandez <aldyh@redhat.com>
1322
1323 * method-wbetl.cc (trydropreference): Fix source line.
1324
13252010-07-13 Aldy Hernandez <aldyh@redhat.com>
1326
1327 * libitm.h: Add comment.
1328 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1329
13302010-07-07 Aldy Hernandez <aldyh@redhat.com>
1331
1332 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1333 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1334 available, use pthread mutexes.
1335 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1336 * config.h.in: Regenerate.
1337 * configure: Regenerate.
1338
13392010-07-06 Aldy Hernandez <aldyh@redhat.com>
1340
1341 * libitm.h (ITM_PURE): Define.
1342 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1343
13442010-06-28 Aldy Hernandez <aldyh@redhat.com>
1345
1346 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1347 (validate): Add comment.
1348 (trydropreference): New.
1349 * method-readonly.cc (class readonly_dispatch): Add
1350 trydropreference.
1351 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1352 Call trydropreference().
1353 * libitm.h (_ITM_dropReferences): Remove const attribute.
1354 * method-serial.cc (class serial_dispatch): Add trydropreference.
1355 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1356
13572010-06-28 Aldy Hernandez <aldyh@redhat.com>
1358
1359 * memcpy.cc (do_memcpy): Comment.
1360
13612010-06-25 Aldy Hernandez <aldyh@redhat.com>
1362
1363 * barrier.tpl: Add comments throughout.
1364
13652010-06-24 Aldy Hernandez <aldyh@redhat.com>
1366
1367 * method-wbetl.cc (struct w_entry): Add comments.
1368 (trycommit): Same.
1369 (rollback): Same.
1370
13712010-06-24 Aldy Hernandez <aldyh@redhat.com>
1372
1373 * alloc_c.cc (_ITM_dropReferences): New.
1374 * libitm.map (_ITM_dropReferences): Add.
1375 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1376 * libitm_i.h (struct gtm_transaction): Declare
1377 drop_references_allocations and drop_references_local.
1378 * local.cc (rollback_local): Ignore memory when applicable.
1379 (drop_references_local): New.
1380
13812010-06-23 Richard Henderson <rth@redhat.com>
1382
1383 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1384 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1385 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1386 * config/alpha/target.h: Likewise.
1387 * config/generic/tls.cc (gtm_mask_stack): Use it.
1388
13892010-06-23 Richard Henderson <rth@redhat.com>
1390
1391 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1392 a mutex instead of trying a lock-free compare-and-swap on the list.
1393 (gtm_cacheline_page::operator delete): Likewise.
1394
13952010-06-16 Richard Henderson <rth@redhat.com>
1396
1397 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1398 that overlap the libitm stack.
1399 * barrier.tpl: Mark incoming stack.
1400 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1401 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1402 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1403 * memcpy.cc, memset.cc: Likewise.
1404 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1405 * config/generic/tls.h (gtm_thread): Add stack_top member.
1406 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1407 * libitm_i.h (gtm_mask_stack): Declare.
1408 * config/generic/tls.cc: New file.
1409 * Makefile.am (libitm_la_SOURCES): Add it.
1410 (AM_CXXFLAGS): Turn off exceptions.
1411 * Makefile.in: Rebuild.
1412
14132010-06-16 Richard Henderson <rth@redhat.com>
1414
1415 * alloc.cc (struct gtm_alloc_action): Move definition ...
1416 * libitm_i.h: ... here.
1417 (class gtm_transaction): Declare new and delete.
1418 * beginend.cc (alloc_tx): Reformulate as operator new.
1419 (free_tx): Reformulate as operator delete.
1420 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1421
14222010-06-11 Richard Henderson <rth@redhat.com>
1423
1424 * clone.cc (clone_entry_compare): Fix typo.
1425 From Patrik Marlier <patrick.marlier@unine.ch>.
1426
14272010-05-13 Richard Henderson <rth@redhat.com>
1428
1429 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1430 in extern "C".
1431
14322010-05-07 Aldy Hernandez <aldyh@redhat.com>
1433
1434 * libitm_i.h (struct gtm_transaction): Remove
1435 get_allocation_size.
1436 (record_allocation): Remove size parameter.
1437 * libitm.map (_ITM_realloc): Remove.
1438 * alloc_c.cc (_ITM_realloc): Remove.
1439 (_ITM_malloc): Remove size argument to record_allocation.
1440 (_ITM_calloc): Same.
1441 * alloc_cpp.cc (_ZGTtnwm): Same.
1442 (_ZGTtnwmRKSt9nothrow_t): Same.
1443 (_ZGTtnam): Same.
1444 (_ZGTtnamRKSt9nothrow_t): Same.
1445 * alloc.cc (struct gtm_alloc_action): Remove size.
1446 (get_allocation_size): Remove.
1447 (commit_allocations): Add comment.
1448 (record_allocation): Remove size parameter.
1449 (forget_allocation): Remove set of size.
1450
14512010-04-19 Aldy Hernandez <aldyh@redhat.com>
1452
1453 * Makefile.am (abi_version): New.
1454 (AM_CXXFLAGS): Pass abi_version.
1455 * Makefile.in: Regenerate.
1456 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1457
14582010-04-06 Aldy Hernandez <aldyh@redhat.com>
1459
1460 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1461 _ITM_getTMCloneOrIrrevokable.
1462 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1463 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1464
14652010-03-26 Aldy Hernandez <aldyh@redhat.com>
1466
1467 * configure.ac: Remove Linux futex support.
1468 * configure.tgt (config_path): Same.
1469 * Makefile.am: Same.
1470 * config/linux: Remove entire directory.
1471 * configure: Rebuild.
1472 * Makefile.in: Rebuild.
1473 * testsuite/Makefile.in: Rebuild.
1474
14752010-03-09 Aldy Hernandez <aldyh@redhat.com>
1476
1477 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1478 switching to serial mode.
1479 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1480
14812010-03-03 Aldy Hernandez <aldyh@redhat.com>
1482
1483 * configure.tgt: Add emacs -*- tags.
1484 * barrier.tpl: Same.
1485
14862010-02-23 Aldy Hernandez <aldyh@redhat.com>
1487
1488 * Makefile.am: Rename serial.cc to method-serial.cc.
1489 * Makefile.in: Regenerate with automake 1.11.1.
1490 * testsuite/Makefile.in: Same.
1491 * aclocal.m4: Regenerate with aclocal 1.11.1.
1492 * method-serial.cc: Rename from serial.cc.
1493 * libitm_i.h (struct gtm_transaction): Update comment on
1494 serialirr_mode.
1495
14962010-02-22 Aldy Hernandez <aldyh@redhat.com>
1497
1498 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1499 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1500
15012010-02-11 Aldy Hernandez <aldyh@redhat.com>
1502
1503 * configure: Rebuild.
1504
15052009-11-12 Richard Henderson <rth@redhat.com>
1506
1507 * Rewrite everything in C++.
1508
15092009-11-03 Richard Henderson <rth@redhat.com>
1510
1511 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1512 * Makefile.am (libitm_la_SOURCES): Add them.
1513 * configure.ac (ARCH_X86): New conditional.
1514 * Makefile.in, configure: Rebuild.
1515 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1516 Move futex setup into "other system configury" case.
1517 * local.c (rollback_local): Merge into ...
1518 (GTM_rollback_local): ... here.
1519 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1520 (_ITM_LB): Define as an alias to GTM_LB.
1521
15222009-11-03 Richard Henderson <rth@redhat.com>
1523
1524 * method-readonly.c: New file.
1525 * Makefile.am (libitm_la_SOURCES): Add it.
1526 * Makefile.in: Rebuild.
1527 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1528 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1529 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1530 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1531 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1532 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1533 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1534 gtm_get_clock, gtm_inc_clock): New.
1535 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1536 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1537 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1538 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1539 replace uses with new libitm_i.h symbols.
1540 (dispatch_wbetl): Rename from wbetl_dispatch.
1541 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1542 away from dispatch_readonly; abort if the beginTransaction call
1543 asserted that the transaction was readonly.
1544
15452009-11-03 Richard Henderson <rth@redhat.com>
1546
1547 * memset.c: New file.
1548 * Makefile.am (libitm_la_SOURCES): Add it.
1549 * Makefile.in: Rebuild.
1550 * testsuite/libitm.c/memset-1.c: New.
1551
15522009-11-03 Richard Henderson <rth@redhat.com>
1553
1554 * dispatch.c: Remove file.
1555 * useraction.c (struct gtm_user_action): Move from libitm.h.
1556 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1557 (serial_memset, serial_memmove, serial_memcpy): Remove.
1558 (serial_W*, serial_R*): Remove.
1559 (serial_dispatch): Update to match.
1560 * configure.ac: Move Werror down below configure checks. Don't
1561 check for sys/loadavg.h, do check for malloc.h. Don't check for
1562 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1563 Use GCC_AC_FUNC_MMAP_BLACKLIST
1564 * libitm.h: Split out all internal items to...
1565 * libitm_i.h: ... here. New file.
1566 * copymask.c: New file.
1567 * local.c (struct gtm_local_undo): Move from libitm.h.
1568 (GTM_alloc_local): Rename from alloc_local; export.
1569 * memcpy.c: New file.
1570 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1571 * config/posix/page.c: New file.
1572 * config/posix/target_tls.h: Remove file.
1573 * barrier.c: New file.
1574 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1575 copymask.c, page.c.
1576 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1577 * method-wbetl.c: Rewrite for new cacheline methods.
1578 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1579
1580 * config/alpha/sjlj.S: Fix typo.
1581 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1582 * config/alpha/copymask.c: New file.
1583 * config/alpha/target.h (CACHELINE_SIZE): New.
1584 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1585
1586 * config/x86/target_i.h: Copy functions from x86/target.h.
1587 * config/x86/copymask.c: New file.
1588 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1589 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1590 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1591 * config/x86/target_tls.h: Move contents to target_i.h.
1592
1593 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1594 * testsuite/libitm.c/memcpy-1.c: New.
1595
15962009-10-22 Richard Henderson <rth@redhat.com>
1597
1598 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1599 (AM_CCASFLAGS): New.
1600 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1601 saving/restoring _AC_ARG_VAR_PRECIOUS.
1602 * Makefile.in, aclocal.m4, config.h.in, configure,
1603 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1604
16052009-10-22 Richard Henderson <rth@redhat.com>
1606
1607 * testsuite/*: Update for new compiler syntax.
1608
16092009-10-21 Richard Henderson <rth@redhat.com>
1610
1611 * libitm.h (_ITM_abortReason): Add outerAbort.
1612
16132009-08-03 Richard Henderson <rth@redhat.com>
1614
1615 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1616 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1617 * method-wbetl.c (struct w_entry): Remove mask.
1618 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1619 adjust all callers.
1620
16212009-07-22 Richard Henderson <rth@redhat.com>
1622
1623 * eh_cpp.c: New file.
1624 * Makefile.am (libitm_la_SOURCES): Add it.
1625 * Makefile.in: Rebuild.
1626 * beginend.c (GTM_rollback_transaction): Undo exception state.
1627 (GTM_trycommit_transaction): Mark inline.
1628 (GTM_trycommit_and_finalize_transaction): Split out from ...
1629 (_ITM_commitTransaction): ... here.
1630 (_ITM_commitTransactionEH): New function.
1631 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1632 cxa_unthrown, eh_in_flight; reorder.
1633
1634 * testsuite/libitm.c++/c++.exp: New.
1635 * testsuite/libitm.c++/eh-1.C: New.
1636
1637 * aatree.c (aa_free): Remove REGPARM.
1638 * aatree.h: Remove all REGPARM.
1639
16402009-07-18 Richard Henderson <rth@redhat.com>
1641
1642 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1643 * Makefile.am (libitm_la_SOURCES): Add them.
1644 * Makefile.in: Rebuild.
1645 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1646 (GTM_trycommit_transaction): Likewise.
1647 * libitm.h: Include aatree.h
1648 (struct gtm_alloc_action): New.
1649 (struct gtm_transaction): Add alloc_actions.
1650 (GTM_record_allocation, GTM_forget_allocation): Declare.
1651 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1652 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1653 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1654 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1655 _ZGTtdaPvRKSt9nothrow_t): Export.
1656
16572009-07-18 Richard Henderson <rth@redhat.com>
1658
1659 * target_tls.h: Move ...
1660 * config/posix/target_tls.h: ... here.
1661
16622009-07-07 Richard Henderson <rth@redhat.com>
1663
1664 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1665
16662009-07-07 Richard Henderson <rth@redhat.com>
1667
1668 * Update to GPL3.
1669
16702009-07-07 Richard Henderson <rth@redhat.com>
1671
1672 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1673 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1674
1675 * configure.tgt: Don't use -ftls-model for x86 linux.
1676 * libitm.h: Include target.h after standard includes.
1677 (_gtm_thr): Rename from gtm_thr.
1678 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1679 (gtm_disp, set_gtm_disp): New.
1680 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1681 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1682 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1683
16842009-07-07 Richard Henderson <rth@redhat.com>
1685
1686 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1687
16882009-07-06 Richard Henderson <rth@redhat.com>
1689
1690 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1691 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1692 (_ITM_beginTransaction): Take variadic arguments.
1693 (_ITM_registerThrownObject): Declare.
1694 * beginend.c, serial.c: Update.
1695 * libitm.map: Add _ITM_registerThrownObject.
1696
16972009-01-28 Richard Henderson <rth@redhat.com>
1698
1699 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1700 * Makefile.in: Rebuild.
1701 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1702 (GTM_restart_transaction): Fix uninstrumented code check.
1703 * retry.c (GTM_decide_retry_strategy): Add serial check.
1704 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1705 automatically go irrevokable when in serial mode.
1706 * clone.c: New file.
1707 * libitm.h, libitm.map: Update.
1708
17092009-01-27 Richard Henderson <rth@redhat.com>
1710
1711 * Makefile.am (LTCCASCOMPILE): Define.
1712 (libitm_la_SOURCES): Add methid-wbetl.c.
1713 * testsuite/Makefile.am: New
1714 * configure.ac: Add testsuite/Makefile.
1715 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1716 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1717 (_ITM_abortTransaction): Finalize implementation method; pass
1718 transaction properties to longjmp.
1719 (GTM_restart_transaction): Split out from ...
1720 (_ITM_commitTransaction): ... here.
1721 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1722 Move to config/x86/target.h.
1723 * config/linux/alpha/futex_bits.h: New.
1724 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1725 * config/x86/target.h: Disable target types for 32-bit.
1726 * config/alpha/sjlj.S, config/alpha/target.h: New.
1727 * libitm.h (struct gtm_dispatch): Add init, fini.
1728 (enum restart_reason): New.
1729 (struct gtm_transaction): Add method and restarts.
1730 * retry.c (GTM_decide_retry_strategy): Implement.
1731 * serial.c (serial_init, serial_fini): New.
1732 (GTM_serialmode): Finialize outgoing method.
1733 * method-wbetl.c: New.
1734
17352008-12-09 Richard Henderson <rth@redhat.com>
1736
1737 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1738 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1739 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1740 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1741 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1742 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1743 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1744 * serial.c (serial_R##T, serial_W##T): Likewise.
1745
17462008-11-21 Richard Henderson <rth@redhat.com>
1747
1748 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git