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tree-if-conv (predicate_scalar_phi): Commentary typo fix.
[thirdparty/gcc.git] / libitm / ChangeLog
CommitLineData
63b08143
TR		 12012-02-20 Torvald Riegel <triegel@redhat.com>
2
3 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
4
4c9bd6ac
TR		 52012-02-20 Torvald Riegel <triegel@redhat.com>
6
7 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
8
651ff415
TR		 92012-02-20 Torvald Riegel <triegel@redhat.com>
10
11 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
12 serial mode corner cases made obsolete by prior gtm_rwlock changes.
13 (gl_wt_dispatch.rollback): Same.
14
efee0113
TR		 152012-02-20 Torvald Riegel <triegel@redhat.com>
16
17 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
18
33a03827
TR		 192012-02-20 Torvald Riegel <triegel@redhat.com>
20
21 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
22 for RfW src. Optimize number of calls to gtm_thr.
23
a19db3f2
TR		 242012-02-20 Torvald Riegel <triegel@redhat.com>
25
26 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
27 acquisition to ...
28 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
29 (default_dispatch): Make atomic.
30 (GTM::gtm_thread::set_default_dispatch): Access atomically.
31 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
32 use decide_begin_dispatch() if default_dispatch might have changed.
33 (GTM::gtm_thread::number_of_threads_changed): Initialize
34 default_dispatch here.
35
e948a1fb
IS		 362012-02-15 Iain Sandoe <iains@gcc.gnu.org>
37 Patrick Marlier <patrick.marlier@gmail.com>
38
39 PR libitm/52220
40 * alloc_cpp.cc: No dummy definitions for darwin.
41 * eh_cpp.cc: Likewise.
42
72824d5e
RH		 432012-02-14 Richard Henderson <rth@redhat.com>
44
45 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
46
1f319dba
UB		 472012-02-14 Uros Bizjak <ubizjak@gmail.com>
48
49 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
50
31772c95
TR		 512012-02-14 Torvald Riegel <triegel@redhat.com>
52
53 * libitm_i.h (GTM::gtm_rwlog_entry): New.
54 (GTM::gtm_thread): Add read and write logs.
55 (GTM::dispatch_ml_wt): Declare.
56 * retry.cc (parse_default_method): Support ml_wt.
57 * method-ml.cc: New file.
58 * Makefile.am: Add method-ml.cc.
59 * Makefile.in: Regenerate.
60
5b9cf5d2
TR		 612012-02-14 Torvald Riegel <triegel@redhat.com>
62
63 * dispatch.h (GTM::abi_dispatch::supports): New.
64 (GTM::method_group::reinit): New.
65 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
66 (GTM::gtm_thread::number_of_threads_changed): Check that the method
67 supports the current situation.
68
7d33bcb7
TR		 692012-02-14 Torvald Riegel <triegel@redhat.com>
70
71 * util.cc (GTM::xcalloc): New.
72 * common.h (GTM::xcalloc): Declare.
73
62513f7b
EB		 742012-02-14 Eric Botcazou <ebotcazou@adacore.com>
75
76 * config/sparc/target.h (cpu_relax): Read from CC register.
77 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
78
792012-02-14 Uros Bizjak <ubizjak@gmail.com>
d4a698d4
UB		 80
81 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
82
f3f5e3c3
EB		 832012-02-13 Eric Botcazou <ebotcazou@adacore.com>
84
62513f7b 85 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
f3f5e3c3
EB		 86 * config/sparc/cacheline.h: New file.
87 * config/sparc/target.h: Likewise.
88 * config/sparc/sjlj.S: Likewise.
89 * config/linux/sparc/futex_bits.h: Likewise.
90
912012-02-13 Eric Botcazou <ebotcazou@adacore.com>
255a9a1b
EB		 92
93 * configure.ac (link_itm): Fix comment.
94 * configure: Regenerate.
95 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
96
681355e3
RO		 972012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
98
fc985d2f 99 PR libitm/51822
62513f7b 100 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
681355e3
RO		 101 Correct libgomp references.
102
999bcff5
TR		 1032012-01-24 Torvald Riegel <triegel@redhat.com>
104
105 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
106 wake-up.
107
9848887a
UB		 1082012-01-24 Uros Bizjak <ubizjak@gmail.com>
109
110 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
111 end of structure.
112 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
113 offset values. Do not copy return address. Decrement stack
114 by 56 bytes only.
115 (GTM_longjump) [__x86_64__]: Update offset values.
116
5752c591
UB		 1172012-01-23 Uros Bizjak <ubizjak@gmail.com>
118
119 PR libitm/51830
120 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
121 the first function argument to %eax.
122
61e72ca4
RO		 1232012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
124
125 * libitm.h (_ITM_getThreadnum): Remove.
126 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
127
9ce91011
RO		 1282012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
129
130 * clearcap.map: New file.
131 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
132 * configure.ac: Call it.
133 Clear HWCAP_LDFLAGS if defaulting to -mavx.
134 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
135 * configure: Regenerate.
136 * Makefile.in: Regenerate.
137 * testsuite/Makefile.in: Regenerate.
138
3b4f05ec
RO		 1392012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
140
141 PR libitm/51173
142 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
143 include, exclude options.
144
aab74ee9
TR		 1452012-01-14 Torvald Riegel <triegel@redhat.com>
146
147 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
148 rolling back.
149 * containers.h (GTM::vector::set_size): New.
150
07b6642b
TR		 1512012-01-14 Torvald Riegel <triegel@redhat.com>
152
153 PR libitm/51855
154 * config/generic/tls.h (GTM::mask_stack_top): New.
155 (GTM::mask_stack_bottom): Declare.
156 * config/generic/tls.c (GTM::mask_stack_bottom): New.
157 * local.cc (gtm_undolog::rollback): Filter out any updates that
158 overlap the libitm stack. Add current transaction as parameter.
159 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
160 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
161 * testsuite/libitm.c/stackundo.c: New test.
162
8377e5e5
RH		 1632012-01-10 Richard Henderson <rth@redhat.com>
164
165 * libitm_i.h (_Unwind_DeleteException): Declare weak.
166 * eh_cpp.cc (_Unwind_DeleteException): Define for
167 !HAVE_ELF_STYLE_WEAKREF.
168
11f30bb0
TR		 1692012-01-08 Torvald Riegel <triegel@redhat.com>
170
171 * local.cc (GTM_LB): Use GTM::gtm_undolog.
172 (GTM::gtm_thread::drop_references_undolog): Remove.
173 (GTM::gtm_thread::commit_undolog,
174 GTM::gtm_thread::rollback_undolog): Move to ...
175 * libitm_i.h (GTM::gtm_undolog): ...here. New.
176 (GTM::gtm_undolog_entry): Remove.
177 (GTM::gtm_thread): Adapt.
178 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
179 (GTM::gtm_thread::trycommit): Adapt.
180 * method-serial.cc (serial_dispatch::log): Adapt.
181 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
182 (gl_wt_dispatch::store): Fix likely/unlikely.
183 * containers.h (GTM::vector::resize): Add additional_capacity
184 parameter and handle it.
185 (GTM::vector::resize_noinline): New/adapt.
186 (GTM::vector::push): New.
187
a32e5e93
RH		 1882012-01-06 Richard Henderson <rth@redhat.com>
189
190 * configure.tgt: Support powerpc-linux and powerpc-darwin.
191 * config/linux/powerpc/futex_bits.h: New file.
192 * config/powerpc/cacheline.h: New file.
193 * config/powerpc/sjlj.S: New file.
194 * config/powerpc/target.h: New file.
195 * config/generic/asmcfi.h (cfi_offset): New.
196 (cfi_restore, cfi_undefined): New.
197
1f53a8e6
AH		 1982012-01-05 Aldy Hernandez <aldyh@redhat.com>
199
200 PR other/51171
201 * testsuite/libitm.c/reentrant.c: Remove xfail.
202 (thread): Pass x to pure().
be223aaf 203 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 204
c898f7b8
TR		 2052011-12-24 Torvald Riegel <triegel@redhat.com>
206
207 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
208 privatization safety if already in serial mode.
209
610e3901
TR		 2102011-12-24 Torvald Riegel <triegel@redhat.com>
211
212 * beginend.cc (GTM::gtm_thread::restart): Add and handle
213 finish_serial_upgrade parameter.
214 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
215 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
216 Don't unset reader flag.
217 (GTM::gtm_rwlock::write_upgrade_finish): New.
218 * config/posix/rwlock.cc: Same.
219 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
220 Declare.
221 * config/posix/rwlock.h: Same.
222 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
223 flag after commit or after rollback when restarting.
224
799142bf
TR		 2252011-12-24 Torvald Riegel <triegel@redhat.com>
226
227 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
228 (GTM::gtm_thread::try_commit): Changed memory order.
229 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
230 as parameter.
231 * config/linux/x86/futex_bits.h (sys_futex0): Same.
232 * config/linux/sh/futex_bits.h (sys_futex0): Same.
233 * config/linux/futex_bits.h (sys_futex0): Same.
234 * config/linux/futex.cc (futex_wait, futex_wake): Same.
235 * config/linux/futex.h (futex_wait, futex_wake): Same.
236 * config/linux/rwlock.h (gtm_rwlock::writers,
237 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
238 ints.
239 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
240 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
241 gtm_rwlock::write_unlock): Fix memory orders and fences.
242 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
243 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
244 gtm_rwlock::write_unlock): Same.
245 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
246 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
247 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
248 Add comments.
249 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
250 gl_wt_dispatch::load, gl_wt_dispatch::store,
251 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
252 orders and fences. Add comments.
253
b0f96e35
JJ		 2542011-12-21 Jakub Jelinek <jakub@redhat.com>
255
256 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
257 * Makefile.in: Regenerated.
258
cc163247
KK		 2592011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
260
261 * configure.tgt: Add sh* case.
262 * config/sh/target.h: New file.
263 * config/sh/sjlj.S: New file.
264 * config/linux/sh/futex_bits.h: New file.
265
aebac0ca
RH		 2662011-12-14 Richard Henderson <rth@redhat.com>
267
268 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
269 * config/arm/sjlj.S, config/arm/target.h: New files.
270 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
271 (cfi_rel_offset): New.
272 * config/linux/futex_bits.h: New file.
273 * config/linux/futex.cc: Include futex_bits.h here...
274 * config/linux/futex.h: ... not here.
275 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
276 * configure.ac (ARCH_AM): New conditional.
277 * Makefile.in, configure: Rebuild.
278 * configure.tgt: Handle ARM.
279
36cfbee1
RH		 2802011-12-13 Richard Henderson <rth@redhat.com>
281
5d9d05d3
RH		 282 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
283 signed/unsigned comparison werror.
284
36cfbee1
RH		 285 * local_atomic: New file.
286 * libitm_i.h: Include it.
287 (gtm_thread::shared_state): Use atomic template.
288 * beginend.cc (GTM::gtm_clock): Use atomic template.
289 (global_tid): Use atomic template if 64-bit atomics available.
290 (gtm_thread::gtm_thread): Update shared_state access.
291 (gtm_thread::trycommit): Likewise.
292 (choose_code_path): Update global_tid access.
293 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
294 * stmlock.h (GTM::gtm_clock): Use atomic template.
295 (gtm_get_clock, gtm_inc_clock): Update accesses.
296 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
297 redundant __sync_synchronize after atomic shared_state access.
298 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
299 (gtm_rwlock::write_lock_generic): Likewise.
300 (gtm_rwlock::read_unlock): Likewise.
301 * config/alpha/target.h (atomic_read_barrier): Remove.
302 (atomic_write_barrier): Remove.
303 * config/x86/target.h (atomic_read_barrier): Remove.
304 (atomic_write_barrier): Remove.
305
062f93f2
RH		 3062011-11-30 Richard Henderson <rth@redhat.com>
307
308 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
309 * beginend.c (_ITM_abortTransaction): Update to match.
310 (GTM::gtm_thread::restart): Likewise.
311 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
312 * config/x86/sjlj.S (GTM_longjmp): Likewise.
313
bd8aaa86
IS		 3142011-11-23 Iain Sandoe <iains@gcc.gnu.org>
315
316 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
317 * Makefile.in: Regenerate.
318
8cf36bb3
IS		 3192011-11-22 Iain Sandoe <iains@gcc.gnu.org>
320
321 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
322 * alloc_cpp.cc: Generate dummy functions if we don't
323 HAVE_ELF_STYLE_WEAKREF.
324 * eh_cpp.cc: Likewise.
325 * configure: Regenerate.
326 * aclocal.m4: Likewise.
327 * config.h.in: Likewise.
328 * Makefile.in: Likewise.
329 * testsuite/Makefile.in: Likewise.
330
0b41ebef
IS		 3312011-11-22 Iain Sandoe <iains@gcc.gnu.org>
332
333 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
334 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 335 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 336 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
337 in portability to non-elf targets.
8cf36bb3 338 (GTM_longjmp): Likewise.
0b41ebef
IS		 339 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
340 where required.
341
9c9d352a
IS		 3422011-11-22 Iain Sandoe <iains@gcc.gnu.org>
343
344 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
345 * testsuite/libitm.c/memset-1.c: Likewise.
346
c6084f68
AT		 3472011-11-21 Andreas Tobler <andreast@fgznet.ch>
348
349 * configure: Regenerate.
350
adcd36bc
RO		 3512011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
352
353 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
354 (LIBITM_ENABLE_SYMVERS): Handle sun style.
355 * Makefile.am: Handle sun style versioning.
356 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
357 * configure: Regenerate.
358 * Makefile.in: Regenerate.
359
59659b59
RO		 3602011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
361
362 * config/generic/asmcfi.h: Fix comment.
363 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
364 sequence without .hidden support, error for non-ELF targets.
365 (GTM_longjmp) [__ELF__]: Only use .hidden if
366 HAVE_ATTRIBUTE_VISIBILITY.
367
d846e425
RO		 3682011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
369
370 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
371 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
372 Dummy functions.
373 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
374 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
375
80713347
UB		 3762011-11-16 Uros Bizjak <ubizjak@gmail.com>
377
378 PR bootstrap/51098
379 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
380 * configure: Regenerate.
381
2841f85e
L		 3822011-11-14 H.J. Lu <hongjiu.lu@intel.com>
383
384 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
385
8851b429
RO		 3862011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
387
388 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
389 .hidden.
390 (.note.GNU-stack): Only use if __linux__.
391 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
392 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
393 * testsuite/libitm.c/reentrant.c: Likewise.
394 * testsuite/libitm.c/simple-2.c: Likewise.
395 * testsuite/libitm.c/txrelease.c: Likewise.
396 * testsuite/libitm.c++/static_ctor.C: Likewise.
397
d4b17902
RH		 3982011-11-10 Richard Henderson <rth@redhat.com>
399
400 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
401 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
402 * configure.ac (ARCH_X86_AVX): New conditional.
403 * Makefile.in, configure: Rebuild.
404
430616e7
RH		 4052011-11-09 Richard Henderson <rth@redhat.com>
406
407 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
408 * configure.ac: Use it.
409 * config.h.in, configure: Rebuild.
410 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
411
79b1edb6
RH		 4122011-11-09 Richard Henderson <rth@redhat.com>
413
414 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
415 * config/alpha/unaligned.h: Remove file.
416 * config/generic/unaligned.h: Remove file.
417 * config/x86/unaligned.h: Remove file.
418 * config/generic/cachepage.h: Remove file.
419 * config/posix/cachepage.cc: Remove file.
420 * config/generic/cacheline.cc: Remove file.
421 * config/x86/cacheline.cc: Remove file.
422 * config/generic/cacheline.h (gtm_cacheline): Remove the
423 store_mask, copy_mask, copy_mask_wb methods.
424 * config/x86/cacheline.h: Likewise.
425 * config/alpha/cacheline.h: Fall back to generic after setting size.
426 * config/generic/tls.cc (gtm_mask_stack): Remove.
427 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
428 (GTM_vpalignr_table): Remove.
429 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
430 (GTM_pshift_table): Remove.
431 * config/libitm_i.h: Don't include cachepage.h.
432 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
433 * Makefile.in, testsuite/Makefile.in: Rebuild.
434
4bdd090f
RH		 4352011-11-09 Richard Henderson <rth@redhat.com>
436
8ee9fac2
RH		 437 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
438 to emit branch prediction hint.
439
9bdc6343
RH		 440 * config/x86/sjlj.S: Protect elf directives with __ELF__.
441 Protect .note.GNU-stack with __linux__.
442
4bdd090f
RH		 443 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
444 * configure, aclocal.m4, config.h.in: Rebuild.
445 * config/generic/asmcfi.h: New file.
446 * config/x86/sjlj.S: Use it.
447
4408b086
RH		 4482011-11-08 Richard Henderson <rth@redhat.com>
449
450 * local.cc (_ITM_LB): Use a normal call, not a function alias.
451
01f3428c
RH		 4522011-11-08 Richard Henderson <rth@redhat.com>
453
3d3b05ff
RH		 454 * configure.tgt: Test correct directory for supported cpus.
455
01f3428c
RH		 456 * configure.ac: Exit if unsupported.
457 * configure: Rebuild.
458 * configure.tgt: Delete boilerplate from libgomp for unsupported
459 targets. Set UNSUPPORTED for unsupported targets.
460
07f03cd3
RO		 4612011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
462
463 * configure.tgt: Handle i386 like i[456]86.
464 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
465 take address.
466 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
467 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
468
0a35513e
AH		 4692011-11-05 Aldy Hernandez <aldyh@redhat.com>
470
471 * method-wbetl.cc: Update copyright notice.
472 * aatree.cc: Same.
473 * util.cc: Same.
474 * libitm.h: Same.
475 * memset.cc: Same.
476 * eh_cpp.cc: Same.
477 * barrier.tpl: Same.
478 * useraction.cc: Same.
479 * stmlock.h: Same.
480 * memcpy.cc: Same.
481 * common.h: Same.
482 * config/generic/tls.cc: Same.
483 * config/generic/cacheline.h: Same.
484 * config/generic/cachepage.h: Same.
485 * config/generic/cacheline.cc: Same.
486 * config/generic/unaligned.h: Same.
487 * config/x86/cacheline.h: Same.
488 * config/x86/cacheline.cc: Same.
489 * config/x86/unaligned.h: Same.
490 * config/alpha/cacheline.h: Same.
491 * config/alpha/unaligned.h: Same.
492 * config/alpha/sjlj.S: Same.
493 * config/posix/cachepage.cc: Same.
494 * config/linux/futex.h: Same.
495 * config/linux/alpha/futex_bits.h: Same.
496
4972011-11-04 Torvald Riegel <triegel@redhat.com>
498
499 * libitm.texi: No cover text and invariant sections.
500
5012011-11-03 Richard Henderson <rth@redhat.com>
502
503 * local_type_traits: New file.
504 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
505
5062011-11-03 Richard Henderson <rth@redhat.com>
507
508 * configure.ac: Don't test for gfortran.
509 * configure: Rebuild.
510
511 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
512 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
513
5142011-11-03 Aldy Hernandez <aldyh@redhat.com>
515
516 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
517 * testsuite/libitm.c/memset-1.c: Same.
518 * testsuite/libitm.c/c.exp: Same.
519 * testsuite/lib/libitm-dg.exp: Same.
520 * testsuite/lib/libitm.exp: Same.
521 * testsuite/libitm.c++/c++.exp: Same.
522
5232011-11-03 Aldy Hernandez <aldyh@redhat.com>
524
525 * testsuite/config/default.exp: Update copyright date.
526 * configure.ac: Add copyright info.
527 * configure.tgt: Same.
528
5292011-11-03 Aldy Hernandez <aldyh@redhat.com>
530
531 * testsuite/libitm.c/reentrant.c: XFAIL.
532 * testsuite/libitm.c++/static_ctor.C: XFAIL.
533
5342011-10-29 Torvald Riegel <triegel@redhat.com>
535
536 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
537 handle aborts.
538 (_ITM_abortTransaction): Handle aborts of outer transactions.
539 * libitm_i.h: Same.
540 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
541 * libitm.texi: Document aborts of outer transactions.
542 * testsuite/libitm.c/cancel.c: New file.
543
5442011-10-19 Torvald Riegel <triegel@redhat.com>
545
546 * testsuite/*: Change __transaction to __transaction_atomic or
547 __transaction_relaxed.
548
5492011-10-19 Torvald Riegel <triegel@redhat.com>
550
551 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
552 (gtm_thr): Same.
553
5542011-10-19 Torvald Riegel <triegel@redhat.com>
555
556 * libitm_i.h: Add gl_wt dispatch.
557 * retry.cc (parse_default_method): Same.
558 * method-gl.cc: New file.
559 * Makefile.am: Use method-gl.cc.
560 * Makefile.in: Rebuild.
561
5622011-10-19 Torvald Riegel <triegel@redhat.com>
563
564 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
565 safety if requested by a TM method.
566 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
567 privatization safety.
568 * method-serial.cc: Same.
569
5702011-10-19 Torvald Riegel <triegel@redhat.com>
571
572 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
573 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
574 undolog-related member functions from *_local to *_undolog.
575 * local.cc (gtm_thread::commit_undolog): Same.
576 * beginend.cc (GTM::gtm_thread::trycommit): Same.
577 (GTM::gtm_thread::rollback): Roll back undolog before
578 dispatch-specific rollback.
579
5802011-10-19 Torvald Riegel <triegel@redhat.com>
581
582 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
583 re-initialization of the current method group.
584 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
585
5862011-10-19 Torvald Riegel <triegel@redhat.com>
587
588 * alloc.cc (commit_allocations_2): Do not free transaction-local
589 memory when committing a nested transaction.
590
5912011-10-19 Torvald Riegel <triegel@redhat.com>
592
593 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
594 serial-irrevocable dispatch, not serial.
595
5962011-10-19 Torvald Riegel <triegel@redhat.com>
597
598 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
599 declarations.
600 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
601 * method-serial.cc: Implement begin_or_restart().
602 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
603 dispatch-specific begin_or_restart().
604 (GTM::gtm_thread::restart): Same.
605
6062011-08-23 Torvald Riegel <triegel@redhat.com>
607
608 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
609 restarting without switching to serial mode.
610 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
611 transaction state. Choose closed-nesting alternative if available.
612 (GTM::gtm_thread::set_default_dispatch): New.
613 (parse_default_method): New.
614 (GTM::gtm_thread::number_of_threads_changed): New.
615 * method-serial.cc (GTM::serial_mg): New method group class.
616 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
617 fini.
618 (GTM::serial_dispatch): Same.
619 (GTM::serialirr_onwrite_dispatch): Same.
620 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
621 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
622 registered threads.
623 (GTM::gtm_thread::gtm_thread): Same.
624 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
625 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
626 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
627 choose dispatch but set state according to dispatch here.
628 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
629 (GTM::method_group): New class.
630 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
631 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
632 * libitm.texi: Document TM methods, method groups, method life cycle.
633 Rename method sets to method groups.
634
6352011-08-23 Torvald Riegel <triegel@redhat.com>
636
637 * config/x86/tls.h: Moved to ...
638 * config/linux/x86/tls.h: ... here.
639
6402011-08-23 Torvald Riegel <triegel@redhat.com>
641
642 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
643 Add X32 support.
644 * config/x86/sjlj.S: Same.
645
6462011-08-19 Torvald Riegel <triegel@redhat.com>
647
648 * config/linux/rwlock.h: New file.
649 * config/linux/rwlock.c: New file.
650 * configure.ac: Reenable futex support (undo SVN rev 157758).
651 * Makefile.am: Same.
652 * configure.tgt: Same.
653 * config/linux/alpha/futex_bits.h: Same.
654 * config/linux/futex.h: Same. Return number of woken processes.
655 * config/linux/futex.cc: Same.
656 (futex_wait): Remove spinning.
657 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
658 Use __x86_64__ instead of __LP64__.
659 * aclocal.m4: Include generic futex checks.
660 * configure: Rebuild.
661 * Makefile.in: Rebuild.
662 * testsuite/Makefile.in: Rebuild.
663 * beginend.cc: Include pthread.h.
664 * config/posix/cachepage.cc: Same.
665
6662011-08-12 Torvald Riegel <triegel@redhat.com>
667
668 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
669 (abi_disp, set_abi_disp): Move to tx's TLS slot.
670 (set_gtm_thr): New.
671 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
672 (set_gtm_thr): New.
673 (GTM::gtm_thread::thread_num): Removed.
674 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
675 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
676 tx-to-thread renaming.
677 * beginend.cc: Adapted to tx-to-thread renaming.
678 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
679 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
680 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
681 gtm_transaction to gtm_thread.
682 (_ITM_getThreadnum): Removed. Not supported anymore.
683 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
684 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
685 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
686 gtm_tx-to-gtm_thr renaming if necessary.
687 * eh_cpp.cc: Same.
688 * local.cc: Same.
689 * retry.cc: Same.
690 * clone.cc: Same.
691 * alloc.cc: Same.
692 * alloc_c.cc: Same.
693 * alloc_cpp.cc: Same.
694 * method-serial.cc: Same.
695 * config/generic/tls.cc: Same.
696 * config/posix/rwlock.h (gtm_rwlock): Same.
697 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
698
6992011-08-12 Torvald Riegel <triegel@redhat.com>
700
701 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
702 implementation.
703 (gtm_rwlock::read_unlock): Same.
704 (gtm_rwlock::write_lock_generic): New. Generalized from ...
705 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
706 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
707 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
708 w_upgrade. Replaced by per-transaction flags (in shared_state).
709 Added c_confirmed_writers.
710 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
711 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
712 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
713 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
714 * beginend.cc (GTM::gtm_transaction::begin_transaction,
715 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
716 * libitm.texi: Document locking conventions and implementations in
717 libitm.
718
7192011-08-12 Torvald Riegel <triegel@redhat.com>
720
721 * libitm_i.h (next_tx): Add list of all threads' transaction.
722 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
723 transaction with list of transactions and ...
724 (thread_exit_handler): ... deregister here.
725 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
726 * config/x86/target.h: Same.
727
7282011-08-12 Torvald Riegel <triegel@redhat.com>
729
730 * testsuite/libitm.c++/static_ctor.C: New file.
731
7322011-08-12 Torvald Riegel <triegel@redhat.com>
733
734 * testsuite/libitm.c/reentrant.c: New file.
735
7362011-08-12 Torvald Riegel <triegel@redhat.com>
737
738 * config/generic/tls.h: Remove the free list for transactions and ...
739 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
740 (GTM::gtm_transaction::operator delete): ... and release here.
741 (thread_exit_handler): New. Delete tx when thread terminates.
742 (thread_exit_init): New.
743 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
744 * testsuite/libitm.c/txrelease.c: New file.
745
7462011-08-12 Torvald Riegel <triegel@redhat.com>
747
748 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
749 * testsuite/libitm.c/notx.c: New file.
750
7512011-08-12 Torvald Riegel <triegel@redhat.com>
752
753 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
754 * libitm_i.h (local_tid): ... to here.
755 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
756 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
757
7582011-08-12 Torvald Riegel <triegel@redhat.com>
759
760 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
761 serialirr_onwrite_dispatch as new default for now.
762 * method-serial.cc (serialirr_onwrite_dispatch): New.
763 (GTM::dispatch_serialirr_onwrite): New.
764 * libitm_i.h: Same.
765
7662011-08-12 Torvald Riegel <triegel@redhat.com>
767
768 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
769 * query.cc (_ITM_getTransactionId): There is no active transaction if
770 the current nesting level is zero.
771
7722011-07-28 Torvald Riegel <triegel@redhat.com>
773
774 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
775 rollback.
776
7772011-07-28 Torvald Riegel <triegel@redhat.com>
778
779 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
780 transaction properties from the caller instead of from the
781 transaction object.
782 * libitm_i.h: Same.
783 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
784
7852011-07-28 Torvald Riegel <triegel@redhat.com>
786
787 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
788 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
789 * dispatch.h: Same.
790 * method-serial.cc: Same.
791 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
792 flat nesting as default, and closed nesting on demand.
793 (GTM::gtm_transaction::rollback): Same.
794 (_ITM_abortTransaction): Same.
795 (GTM::gtm_transaction::restart): Same.
796 (GTM::gtm_transaction::trycommit): Same.
797 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
798 (choose_code_path): New.
799 (GTM::gtm_transaction_cp::save): New.
800 (GTM::gtm_transaction_cp::commit): New.
801 * query.cc (_ITM_inTransaction): Support flat nesting.
802 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
803 (GTM::gtm_transaction): Support flat and closed nesting.
804 * alloc.cc (commit_allocations_2): New.
805 (commit_cb_data): New helper struct.
806 (GTM::gtm_transaction::commit_allocations): Handle nested
807 commits/rollbacks.
808 * libitm.texi: Update user action section, add description of nesting.
809
8102011-07-28 Torvald Riegel <triegel@redhat.com>
811
812 * libitm_i.h: Add closed nesting as restart reason.
813 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
814
8152011-07-28 Torvald Riegel <triegel@redhat.com>
816
817 * useraction.cc: Use vector instead of list to store actions.
818 Also support partial rollbacks for closed nesting.
819 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
820 * beginend.cc: Same.
821
8222011-07-28 Torvald Riegel <triegel@redhat.com>
823
824 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
825 closed_nesting flags, as well as a closed nesting alternative.
826 * method-serial.cc: Same.
827 (serial_dispatch): Renamed to serialirr_dispatch.
828 (GTM::dispatch_serialirr): Same.
829 (serial_dispatch_ul): Renamed to serial_dispatch.
830 (GTM::dispatch_serial): Same.
831
8322011-07-28 Torvald Riegel <triegel@redhat.com>
833
834 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
835
8362011-07-28 Torvald Riegel <triegel@redhat.com>
837
838 * aatree.h (aa_tree::remove): New.
839 (aa_tree::operator new): Add placement new.
840
8412011-07-02 Torvald Riegel <triegel@redhat.com>
842
843 * containers.h: New file.
844 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
845 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
846 * common.h: ... to here.
847 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
848 * local.cc: Same.
849
8502011-06-30 Torvald Riegel <triegel@redhat.com>
851
852 * libitm_i.h (STATE_ABORTING): Remove.
853 * beginend.cc (_ITM_abortTransaction): Same.
854 (GTM::gtm_transaction::trycommit_and_finalize): Same.
855 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
856 (_ITM_rollbackTransaction): Remove.
857 * beginend.cc: Same.
858 * libitm.map: Same.
859 * libitm.texi: Document these ABI changes.
860
8612011-06-30 Torvald Riegel <triegel@redhat.com>
862
863 * libitm.texi: New file.
864 * Makefile.am: Add libitm.texi.
865 * Makefile.in: Rebuild.
866
8672011-06-30 Torvald Riegel <triegel@redhat.com>
868
869 * libitm_i.h: Move parts to common.h and dispatch.h.
870 * common.h: New file.
871 * dispatch.h: New file, new dispatch class.
872 Rename GTM::abi_dispatch::lock_type to ls_modifier.
873 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
874 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
875 decision to retry.cc.
876 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
877 only.
878 (GTM::gtm_transaction::decide_begin_dispatch): Same.
879 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
880 logging.
881 * barrier.cc: Use new barriers definitions.
882 (abi_dispatch::memmove_overlap_check): New.
883 * config/x86/x86_sse.cc: Same.
884 * config/x86/x86_avx.cc: Same.
885 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
886 memcpy.cc.
887 * Makefile.in: Rebuild.
888 * method-readonly.cc: Remove.
889 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
890 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
891
8922011-06-30 Torvald Riegel <triegel@redhat.com>
893
894 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
895 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
896 * testsuite/libitm.c/dropref-2.c: Same.
897 * testsuite/libitm.c/dropref.c: Same.
898
8992011-06-30 Torvald Riegel <triegel@redhat.com>
900
901 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
902 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
903 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
904 * alloc_c.cc: Same.
905 * barrier.tpl: Same.
906 * beginend.c: Same.
907 * config/generic/tls.h: Same.
908 * config/x86/tls.h: Same.
909 * libitm_i.h: Same.
910 * memcpy.cc: Same.
911 * memset.cc: Same.
912 * method-readonly.cc: Same.
913 * method-serial.cc: Same.
914 * method-wbetl.cc: Same.
915 * retry.cc: Same.
916
9172011-03-03 Richard Henderson <rth@redhat.com>
918
919 * config/posix/rwlock.cc (write_upgrade): Add missing case.
920 From Patrik Marlier <patrick.marlier@unine.ch>.
921
9222011-02-03 Richard Henderson <rth@redhat.com>
923
924 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
925 * configure.ac: Use it.
926 * configure, config.h.in: Rebuild.
927 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
928 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
929 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
930 * libitm.map: Use wildcards to match size_t mangling.
931
9322010-12-14 Richard Henderson <rth@redhat.com>
933
934 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
935 blocks of TIDs per thread.
936 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
937 (setup_gtm_thr): Return the thread structure.
938 * config/x86/tls.h (setup_gtm_thr): Likewise.
939
9402010-12-14 Richard Henderson <rth@redhat.com>
941
942 * clone.cc (table_lock): Remove.
943 (find_clone): Don't take it.
944 (ExcludeTransaction): New helper class.
945 (_ITM_registerTMCloneTable): Use it.
946 (_ITM_deregisterTMCloneTable): Likewise.
947
9482010-12-14 Richard Henderson <rth@redhat.com>
949
950 * config/x86/tls.h: New file.
951
9522010-07-15 Richard Henderson <rth@redhat.com>
953
954 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
955 * Makefile.in: Rebuild.
956
9572010-07-13 Aldy Hernandez <aldyh@redhat.com>
958
959 * method-wbetl.cc (trydropreference): Fix source line.
960
9612010-07-13 Aldy Hernandez <aldyh@redhat.com>
962
963 * libitm.h: Add comment.
964 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
965
9662010-07-07 Aldy Hernandez <aldyh@redhat.com>
967
968 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
969 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
970 available, use pthread mutexes.
971 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
972 * config.h.in: Regenerate.
973 * configure: Regenerate.
974
9752010-07-06 Aldy Hernandez <aldyh@redhat.com>
976
977 * libitm.h (ITM_PURE): Define.
978 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
979
9802010-06-28 Aldy Hernandez <aldyh@redhat.com>
981
982 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
983 (validate): Add comment.
984 (trydropreference): New.
985 * method-readonly.cc (class readonly_dispatch): Add
986 trydropreference.
987 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
988 Call trydropreference().
989 * libitm.h (_ITM_dropReferences): Remove const attribute.
990 * method-serial.cc (class serial_dispatch): Add trydropreference.
991 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
992
9932010-06-28 Aldy Hernandez <aldyh@redhat.com>
994
995 * memcpy.cc (do_memcpy): Comment.
996
9972010-06-25 Aldy Hernandez <aldyh@redhat.com>
998
999 * barrier.tpl: Add comments throughout.
1000
10012010-06-24 Aldy Hernandez <aldyh@redhat.com>
1002
1003 * method-wbetl.cc (struct w_entry): Add comments.
1004 (trycommit): Same.
1005 (rollback): Same.
1006
10072010-06-24 Aldy Hernandez <aldyh@redhat.com>
1008
1009 * alloc_c.cc (_ITM_dropReferences): New.
1010 * libitm.map (_ITM_dropReferences): Add.
1011 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1012 * libitm_i.h (struct gtm_transaction): Declare
1013 drop_references_allocations and drop_references_local.
1014 * local.cc (rollback_local): Ignore memory when applicable.
1015 (drop_references_local): New.
1016
10172010-06-23 Richard Henderson <rth@redhat.com>
1018
1019 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1020 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1021 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1022 * config/alpha/target.h: Likewise.
1023 * config/generic/tls.cc (gtm_mask_stack): Use it.
1024
10252010-06-23 Richard Henderson <rth@redhat.com>
1026
1027 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1028 a mutex instead of trying a lock-free compare-and-swap on the list.
1029 (gtm_cacheline_page::operator delete): Likewise.
1030
10312010-06-16 Richard Henderson <rth@redhat.com>
1032
1033 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1034 that overlap the libitm stack.
1035 * barrier.tpl: Mark incoming stack.
1036 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1037 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1038 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1039 * memcpy.cc, memset.cc: Likewise.
1040 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1041 * config/generic/tls.h (gtm_thread): Add stack_top member.
1042 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1043 * libitm_i.h (gtm_mask_stack): Declare.
1044 * config/generic/tls.cc: New file.
1045 * Makefile.am (libitm_la_SOURCES): Add it.
1046 (AM_CXXFLAGS): Turn off exceptions.
1047 * Makefile.in: Rebuild.
1048
10492010-06-16 Richard Henderson <rth@redhat.com>
1050
1051 * alloc.cc (struct gtm_alloc_action): Move definition ...
1052 * libitm_i.h: ... here.
1053 (class gtm_transaction): Declare new and delete.
1054 * beginend.cc (alloc_tx): Reformulate as operator new.
1055 (free_tx): Reformulate as operator delete.
1056 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1057
10582010-06-11 Richard Henderson <rth@redhat.com>
1059
1060 * clone.cc (clone_entry_compare): Fix typo.
1061 From Patrik Marlier <patrick.marlier@unine.ch>.
1062
10632010-05-13 Richard Henderson <rth@redhat.com>
1064
1065 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1066 in extern "C".
1067
10682010-05-07 Aldy Hernandez <aldyh@redhat.com>
1069
1070 * libitm_i.h (struct gtm_transaction): Remove
1071 get_allocation_size.
1072 (record_allocation): Remove size parameter.
1073 * libitm.map (_ITM_realloc): Remove.
1074 * alloc_c.cc (_ITM_realloc): Remove.
1075 (_ITM_malloc): Remove size argument to record_allocation.
1076 (_ITM_calloc): Same.
1077 * alloc_cpp.cc (_ZGTtnwm): Same.
1078 (_ZGTtnwmRKSt9nothrow_t): Same.
1079 (_ZGTtnam): Same.
1080 (_ZGTtnamRKSt9nothrow_t): Same.
1081 * alloc.cc (struct gtm_alloc_action): Remove size.
1082 (get_allocation_size): Remove.
1083 (commit_allocations): Add comment.
1084 (record_allocation): Remove size parameter.
1085 (forget_allocation): Remove set of size.
1086
10872010-04-19 Aldy Hernandez <aldyh@redhat.com>
1088
1089 * Makefile.am (abi_version): New.
1090 (AM_CXXFLAGS): Pass abi_version.
1091 * Makefile.in: Regenerate.
1092 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1093
10942010-04-06 Aldy Hernandez <aldyh@redhat.com>
1095
1096 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1097 _ITM_getTMCloneOrIrrevokable.
1098 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1099 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1100
11012010-03-26 Aldy Hernandez <aldyh@redhat.com>
1102
1103 * configure.ac: Remove Linux futex support.
1104 * configure.tgt (config_path): Same.
1105 * Makefile.am: Same.
1106 * config/linux: Remove entire directory.
1107 * configure: Rebuild.
1108 * Makefile.in: Rebuild.
1109 * testsuite/Makefile.in: Rebuild.
1110
11112010-03-09 Aldy Hernandez <aldyh@redhat.com>
1112
1113 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1114 switching to serial mode.
1115 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1116
11172010-03-03 Aldy Hernandez <aldyh@redhat.com>
1118
1119 * configure.tgt: Add emacs -*- tags.
1120 * barrier.tpl: Same.
1121
11222010-02-23 Aldy Hernandez <aldyh@redhat.com>
1123
1124 * Makefile.am: Rename serial.cc to method-serial.cc.
1125 * Makefile.in: Regenerate with automake 1.11.1.
1126 * testsuite/Makefile.in: Same.
1127 * aclocal.m4: Regenerate with aclocal 1.11.1.
1128 * method-serial.cc: Rename from serial.cc.
1129 * libitm_i.h (struct gtm_transaction): Update comment on
1130 serialirr_mode.
1131
11322010-02-22 Aldy Hernandez <aldyh@redhat.com>
1133
1134 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1135 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1136
11372010-02-11 Aldy Hernandez <aldyh@redhat.com>
1138
1139 * configure: Rebuild.
1140
11412009-11-12 Richard Henderson <rth@redhat.com>
1142
1143 * Rewrite everything in C++.
1144
11452009-11-03 Richard Henderson <rth@redhat.com>
1146
1147 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1148 * Makefile.am (libitm_la_SOURCES): Add them.
1149 * configure.ac (ARCH_X86): New conditional.
1150 * Makefile.in, configure: Rebuild.
1151 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1152 Move futex setup into "other system configury" case.
1153 * local.c (rollback_local): Merge into ...
1154 (GTM_rollback_local): ... here.
1155 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1156 (_ITM_LB): Define as an alias to GTM_LB.
1157
11582009-11-03 Richard Henderson <rth@redhat.com>
1159
1160 * method-readonly.c: New file.
1161 * Makefile.am (libitm_la_SOURCES): Add it.
1162 * Makefile.in: Rebuild.
1163 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1164 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1165 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1166 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1167 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1168 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1169 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1170 gtm_get_clock, gtm_inc_clock): New.
1171 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1172 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1173 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1174 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1175 replace uses with new libitm_i.h symbols.
1176 (dispatch_wbetl): Rename from wbetl_dispatch.
1177 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1178 away from dispatch_readonly; abort if the beginTransaction call
1179 asserted that the transaction was readonly.
1180
11812009-11-03 Richard Henderson <rth@redhat.com>
1182
1183 * memset.c: New file.
1184 * Makefile.am (libitm_la_SOURCES): Add it.
1185 * Makefile.in: Rebuild.
1186 * testsuite/libitm.c/memset-1.c: New.
1187
11882009-11-03 Richard Henderson <rth@redhat.com>
1189
1190 * dispatch.c: Remove file.
1191 * useraction.c (struct gtm_user_action): Move from libitm.h.
1192 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1193 (serial_memset, serial_memmove, serial_memcpy): Remove.
1194 (serial_W*, serial_R*): Remove.
1195 (serial_dispatch): Update to match.
1196 * configure.ac: Move Werror down below configure checks. Don't
1197 check for sys/loadavg.h, do check for malloc.h. Don't check for
1198 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1199 Use GCC_AC_FUNC_MMAP_BLACKLIST
1200 * libitm.h: Split out all internal items to...
1201 * libitm_i.h: ... here. New file.
1202 * copymask.c: New file.
1203 * local.c (struct gtm_local_undo): Move from libitm.h.
1204 (GTM_alloc_local): Rename from alloc_local; export.
1205 * memcpy.c: New file.
1206 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1207 * config/posix/page.c: New file.
1208 * config/posix/target_tls.h: Remove file.
1209 * barrier.c: New file.
1210 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1211 copymask.c, page.c.
1212 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1213 * method-wbetl.c: Rewrite for new cacheline methods.
1214 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1215
1216 * config/alpha/sjlj.S: Fix typo.
1217 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1218 * config/alpha/copymask.c: New file.
1219 * config/alpha/target.h (CACHELINE_SIZE): New.
1220 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1221
1222 * config/x86/target_i.h: Copy functions from x86/target.h.
1223 * config/x86/copymask.c: New file.
1224 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1225 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1226 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1227 * config/x86/target_tls.h: Move contents to target_i.h.
1228
1229 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1230 * testsuite/libitm.c/memcpy-1.c: New.
1231
12322009-10-22 Richard Henderson <rth@redhat.com>
1233
1234 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1235 (AM_CCASFLAGS): New.
1236 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1237 saving/restoring _AC_ARG_VAR_PRECIOUS.
1238 * Makefile.in, aclocal.m4, config.h.in, configure,
1239 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1240
12412009-10-22 Richard Henderson <rth@redhat.com>
1242
1243 * testsuite/*: Update for new compiler syntax.
1244
12452009-10-21 Richard Henderson <rth@redhat.com>
1246
1247 * libitm.h (_ITM_abortReason): Add outerAbort.
1248
12492009-08-03 Richard Henderson <rth@redhat.com>
1250
1251 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1252 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1253 * method-wbetl.c (struct w_entry): Remove mask.
1254 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1255 adjust all callers.
1256
12572009-07-22 Richard Henderson <rth@redhat.com>
1258
1259 * eh_cpp.c: New file.
1260 * Makefile.am (libitm_la_SOURCES): Add it.
1261 * Makefile.in: Rebuild.
1262 * beginend.c (GTM_rollback_transaction): Undo exception state.
1263 (GTM_trycommit_transaction): Mark inline.
1264 (GTM_trycommit_and_finalize_transaction): Split out from ...
1265 (_ITM_commitTransaction): ... here.
1266 (_ITM_commitTransactionEH): New function.
1267 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1268 cxa_unthrown, eh_in_flight; reorder.
1269
1270 * testsuite/libitm.c++/c++.exp: New.
1271 * testsuite/libitm.c++/eh-1.C: New.
1272
1273 * aatree.c (aa_free): Remove REGPARM.
1274 * aatree.h: Remove all REGPARM.
1275
12762009-07-18 Richard Henderson <rth@redhat.com>
1277
1278 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1279 * Makefile.am (libitm_la_SOURCES): Add them.
1280 * Makefile.in: Rebuild.
1281 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1282 (GTM_trycommit_transaction): Likewise.
1283 * libitm.h: Include aatree.h
1284 (struct gtm_alloc_action): New.
1285 (struct gtm_transaction): Add alloc_actions.
1286 (GTM_record_allocation, GTM_forget_allocation): Declare.
1287 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1288 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1289 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1290 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1291 _ZGTtdaPvRKSt9nothrow_t): Export.
1292
12932009-07-18 Richard Henderson <rth@redhat.com>
1294
1295 * target_tls.h: Move ...
1296 * config/posix/target_tls.h: ... here.
1297
12982009-07-07 Richard Henderson <rth@redhat.com>
1299
1300 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1301
13022009-07-07 Richard Henderson <rth@redhat.com>
1303
1304 * Update to GPL3.
1305
13062009-07-07 Richard Henderson <rth@redhat.com>
1307
1308 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1309 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1310
1311 * configure.tgt: Don't use -ftls-model for x86 linux.
1312 * libitm.h: Include target.h after standard includes.
1313 (_gtm_thr): Rename from gtm_thr.
1314 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1315 (gtm_disp, set_gtm_disp): New.
1316 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1317 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1318 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1319
13202009-07-07 Richard Henderson <rth@redhat.com>
1321
1322 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1323
13242009-07-06 Richard Henderson <rth@redhat.com>
1325
1326 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1327 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1328 (_ITM_beginTransaction): Take variadic arguments.
1329 (_ITM_registerThrownObject): Declare.
1330 * beginend.c, serial.c: Update.
1331 * libitm.map: Add _ITM_registerThrownObject.
1332
13332009-01-28 Richard Henderson <rth@redhat.com>
1334
1335 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1336 * Makefile.in: Rebuild.
1337 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1338 (GTM_restart_transaction): Fix uninstrumented code check.
1339 * retry.c (GTM_decide_retry_strategy): Add serial check.
1340 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1341 automatically go irrevokable when in serial mode.
1342 * clone.c: New file.
1343 * libitm.h, libitm.map: Update.
1344
13452009-01-27 Richard Henderson <rth@redhat.com>
1346
1347 * Makefile.am (LTCCASCOMPILE): Define.
1348 (libitm_la_SOURCES): Add methid-wbetl.c.
1349 * testsuite/Makefile.am: New
1350 * configure.ac: Add testsuite/Makefile.
1351 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1352 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1353 (_ITM_abortTransaction): Finalize implementation method; pass
1354 transaction properties to longjmp.
1355 (GTM_restart_transaction): Split out from ...
1356 (_ITM_commitTransaction): ... here.
1357 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1358 Move to config/x86/target.h.
1359 * config/linux/alpha/futex_bits.h: New.
1360 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1361 * config/x86/target.h: Disable target types for 32-bit.
1362 * config/alpha/sjlj.S, config/alpha/target.h: New.
1363 * libitm.h (struct gtm_dispatch): Add init, fini.
1364 (enum restart_reason): New.
1365 (struct gtm_transaction): Add method and restarts.
1366 * retry.c (GTM_decide_retry_strategy): Implement.
1367 * serial.c (serial_init, serial_fini): New.
1368 (GTM_serialmode): Finialize outgoing method.
1369 * method-wbetl.c: New.
1370
13712008-12-09 Richard Henderson <rth@redhat.com>
1372
1373 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1374 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1375 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1376 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1377 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1378 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1379 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1380 * serial.c (serial_R##T, serial_W##T): Likewise.
1381
13822008-11-21 Richard Henderson <rth@redhat.com>
1383
1384 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git