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rx.c (rx_can_use_simple_return): New function.
[thirdparty/gcc.git] / libitm / ChangeLog
CommitLineData
aab74ee9
TR		 12012-01-14 Torvald Riegel <triegel@redhat.com>
2
3 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
4 rolling back.
5 * containers.h (GTM::vector::set_size): New.
6
07b6642b
TR		 72012-01-14 Torvald Riegel <triegel@redhat.com>
8
9 PR libitm/51855
10 * config/generic/tls.h (GTM::mask_stack_top): New.
11 (GTM::mask_stack_bottom): Declare.
12 * config/generic/tls.c (GTM::mask_stack_bottom): New.
13 * local.cc (gtm_undolog::rollback): Filter out any updates that
14 overlap the libitm stack. Add current transaction as parameter.
15 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
16 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
17 * testsuite/libitm.c/stackundo.c: New test.
18
8377e5e5
RH		 192012-01-10 Richard Henderson <rth@redhat.com>
20
21 * libitm_i.h (_Unwind_DeleteException): Declare weak.
22 * eh_cpp.cc (_Unwind_DeleteException): Define for
23 !HAVE_ELF_STYLE_WEAKREF.
24
11f30bb0
TR		 252012-01-08 Torvald Riegel <triegel@redhat.com>
26
27 * local.cc (GTM_LB): Use GTM::gtm_undolog.
28 (GTM::gtm_thread::drop_references_undolog): Remove.
29 (GTM::gtm_thread::commit_undolog,
30 GTM::gtm_thread::rollback_undolog): Move to ...
31 * libitm_i.h (GTM::gtm_undolog): ...here. New.
32 (GTM::gtm_undolog_entry): Remove.
33 (GTM::gtm_thread): Adapt.
34 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
35 (GTM::gtm_thread::trycommit): Adapt.
36 * method-serial.cc (serial_dispatch::log): Adapt.
37 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
38 (gl_wt_dispatch::store): Fix likely/unlikely.
39 * containers.h (GTM::vector::resize): Add additional_capacity
40 parameter and handle it.
41 (GTM::vector::resize_noinline): New/adapt.
42 (GTM::vector::push): New.
43
a32e5e93
RH		 442012-01-06 Richard Henderson <rth@redhat.com>
45
46 * configure.tgt: Support powerpc-linux and powerpc-darwin.
47 * config/linux/powerpc/futex_bits.h: New file.
48 * config/powerpc/cacheline.h: New file.
49 * config/powerpc/sjlj.S: New file.
50 * config/powerpc/target.h: New file.
51 * config/generic/asmcfi.h (cfi_offset): New.
52 (cfi_restore, cfi_undefined): New.
53
1f53a8e6
AH		 542012-01-05 Aldy Hernandez <aldyh@redhat.com>
55
56 PR other/51171
57 * testsuite/libitm.c/reentrant.c: Remove xfail.
58 (thread): Pass x to pure().
be223aaf 59 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 60
c898f7b8
TR		 612011-12-24 Torvald Riegel <triegel@redhat.com>
62
63 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
64 privatization safety if already in serial mode.
65
610e3901
TR		 662011-12-24 Torvald Riegel <triegel@redhat.com>
67
68 * beginend.cc (GTM::gtm_thread::restart): Add and handle
69 finish_serial_upgrade parameter.
70 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
71 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
72 Don't unset reader flag.
73 (GTM::gtm_rwlock::write_upgrade_finish): New.
74 * config/posix/rwlock.cc: Same.
75 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
76 Declare.
77 * config/posix/rwlock.h: Same.
78 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
79 flag after commit or after rollback when restarting.
80
799142bf
TR		 812011-12-24 Torvald Riegel <triegel@redhat.com>
82
83 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
84 (GTM::gtm_thread::try_commit): Changed memory order.
85 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
86 as parameter.
87 * config/linux/x86/futex_bits.h (sys_futex0): Same.
88 * config/linux/sh/futex_bits.h (sys_futex0): Same.
89 * config/linux/futex_bits.h (sys_futex0): Same.
90 * config/linux/futex.cc (futex_wait, futex_wake): Same.
91 * config/linux/futex.h (futex_wait, futex_wake): Same.
92 * config/linux/rwlock.h (gtm_rwlock::writers,
93 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
94 ints.
95 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
96 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
97 gtm_rwlock::write_unlock): Fix memory orders and fences.
98 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
99 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
100 gtm_rwlock::write_unlock): Same.
101 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
102 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
103 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
104 Add comments.
105 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
106 gl_wt_dispatch::load, gl_wt_dispatch::store,
107 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
108 orders and fences. Add comments.
109
b0f96e35
JJ		 1102011-12-21 Jakub Jelinek <jakub@redhat.com>
111
112 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
113 * Makefile.in: Regenerated.
114
cc163247
KK		 1152011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
116
117 * configure.tgt: Add sh* case.
118 * config/sh/target.h: New file.
119 * config/sh/sjlj.S: New file.
120 * config/linux/sh/futex_bits.h: New file.
121
aebac0ca
RH		 1222011-12-14 Richard Henderson <rth@redhat.com>
123
124 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
125 * config/arm/sjlj.S, config/arm/target.h: New files.
126 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
127 (cfi_rel_offset): New.
128 * config/linux/futex_bits.h: New file.
129 * config/linux/futex.cc: Include futex_bits.h here...
130 * config/linux/futex.h: ... not here.
131 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
132 * configure.ac (ARCH_AM): New conditional.
133 * Makefile.in, configure: Rebuild.
134 * configure.tgt: Handle ARM.
135
36cfbee1
RH		 1362011-12-13 Richard Henderson <rth@redhat.com>
137
5d9d05d3
RH		 138 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
139 signed/unsigned comparison werror.
140
36cfbee1
RH		 141 * local_atomic: New file.
142 * libitm_i.h: Include it.
143 (gtm_thread::shared_state): Use atomic template.
144 * beginend.cc (GTM::gtm_clock): Use atomic template.
145 (global_tid): Use atomic template if 64-bit atomics available.
146 (gtm_thread::gtm_thread): Update shared_state access.
147 (gtm_thread::trycommit): Likewise.
148 (choose_code_path): Update global_tid access.
149 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
150 * stmlock.h (GTM::gtm_clock): Use atomic template.
151 (gtm_get_clock, gtm_inc_clock): Update accesses.
152 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
153 redundant __sync_synchronize after atomic shared_state access.
154 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
155 (gtm_rwlock::write_lock_generic): Likewise.
156 (gtm_rwlock::read_unlock): Likewise.
157 * config/alpha/target.h (atomic_read_barrier): Remove.
158 (atomic_write_barrier): Remove.
159 * config/x86/target.h (atomic_read_barrier): Remove.
160 (atomic_write_barrier): Remove.
161
062f93f2
RH		 1622011-11-30 Richard Henderson <rth@redhat.com>
163
164 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
165 * beginend.c (_ITM_abortTransaction): Update to match.
166 (GTM::gtm_thread::restart): Likewise.
167 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
168 * config/x86/sjlj.S (GTM_longjmp): Likewise.
169
bd8aaa86
IS		 1702011-11-23 Iain Sandoe <iains@gcc.gnu.org>
171
172 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
173 * Makefile.in: Regenerate.
174
8cf36bb3
IS		 1752011-11-22 Iain Sandoe <iains@gcc.gnu.org>
176
177 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
178 * alloc_cpp.cc: Generate dummy functions if we don't
179 HAVE_ELF_STYLE_WEAKREF.
180 * eh_cpp.cc: Likewise.
181 * configure: Regenerate.
182 * aclocal.m4: Likewise.
183 * config.h.in: Likewise.
184 * Makefile.in: Likewise.
185 * testsuite/Makefile.in: Likewise.
186
0b41ebef
IS		 1872011-11-22 Iain Sandoe <iains@gcc.gnu.org>
188
189 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
190 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 191 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 192 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
193 in portability to non-elf targets.
8cf36bb3 194 (GTM_longjmp): Likewise.
0b41ebef
IS		 195 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
196 where required.
197
9c9d352a
IS		 1982011-11-22 Iain Sandoe <iains@gcc.gnu.org>
199
200 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
201 * testsuite/libitm.c/memset-1.c: Likewise.
202
c6084f68
AT		 2032011-11-21 Andreas Tobler <andreast@fgznet.ch>
204
205 * configure: Regenerate.
206
adcd36bc
RO		 2072011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
208
209 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
210 (LIBITM_ENABLE_SYMVERS): Handle sun style.
211 * Makefile.am: Handle sun style versioning.
212 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
213 * configure: Regenerate.
214 * Makefile.in: Regenerate.
215
59659b59
RO		 2162011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
217
218 * config/generic/asmcfi.h: Fix comment.
219 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
220 sequence without .hidden support, error for non-ELF targets.
221 (GTM_longjmp) [__ELF__]: Only use .hidden if
222 HAVE_ATTRIBUTE_VISIBILITY.
223
d846e425
RO		 2242011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
225
226 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
227 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
228 Dummy functions.
229 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
230 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
231
80713347
UB		 2322011-11-16 Uros Bizjak <ubizjak@gmail.com>
233
234 PR bootstrap/51098
235 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
236 * configure: Regenerate.
237
2841f85e
L		 2382011-11-14 H.J. Lu <hongjiu.lu@intel.com>
239
240 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
241
8851b429
RO		 2422011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
243
244 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
245 .hidden.
246 (.note.GNU-stack): Only use if __linux__.
247 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
248 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
249 * testsuite/libitm.c/reentrant.c: Likewise.
250 * testsuite/libitm.c/simple-2.c: Likewise.
251 * testsuite/libitm.c/txrelease.c: Likewise.
252 * testsuite/libitm.c++/static_ctor.C: Likewise.
253
d4b17902
RH		 2542011-11-10 Richard Henderson <rth@redhat.com>
255
256 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
257 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
258 * configure.ac (ARCH_X86_AVX): New conditional.
259 * Makefile.in, configure: Rebuild.
260
430616e7
RH		 2612011-11-09 Richard Henderson <rth@redhat.com>
262
263 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
264 * configure.ac: Use it.
265 * config.h.in, configure: Rebuild.
266 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
267
79b1edb6
RH		 2682011-11-09 Richard Henderson <rth@redhat.com>
269
270 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
271 * config/alpha/unaligned.h: Remove file.
272 * config/generic/unaligned.h: Remove file.
273 * config/x86/unaligned.h: Remove file.
274 * config/generic/cachepage.h: Remove file.
275 * config/posix/cachepage.cc: Remove file.
276 * config/generic/cacheline.cc: Remove file.
277 * config/x86/cacheline.cc: Remove file.
278 * config/generic/cacheline.h (gtm_cacheline): Remove the
279 store_mask, copy_mask, copy_mask_wb methods.
280 * config/x86/cacheline.h: Likewise.
281 * config/alpha/cacheline.h: Fall back to generic after setting size.
282 * config/generic/tls.cc (gtm_mask_stack): Remove.
283 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
284 (GTM_vpalignr_table): Remove.
285 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
286 (GTM_pshift_table): Remove.
287 * config/libitm_i.h: Don't include cachepage.h.
288 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
289 * Makefile.in, testsuite/Makefile.in: Rebuild.
290
4bdd090f
RH		 2912011-11-09 Richard Henderson <rth@redhat.com>
292
8ee9fac2
RH		 293 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
294 to emit branch prediction hint.
295
9bdc6343
RH		 296 * config/x86/sjlj.S: Protect elf directives with __ELF__.
297 Protect .note.GNU-stack with __linux__.
298
4bdd090f
RH		 299 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
300 * configure, aclocal.m4, config.h.in: Rebuild.
301 * config/generic/asmcfi.h: New file.
302 * config/x86/sjlj.S: Use it.
303
4408b086
RH		 3042011-11-08 Richard Henderson <rth@redhat.com>
305
306 * local.cc (_ITM_LB): Use a normal call, not a function alias.
307
01f3428c
RH		 3082011-11-08 Richard Henderson <rth@redhat.com>
309
3d3b05ff
RH		 310 * configure.tgt: Test correct directory for supported cpus.
311
01f3428c
RH		 312 * configure.ac: Exit if unsupported.
313 * configure: Rebuild.
314 * configure.tgt: Delete boilerplate from libgomp for unsupported
315 targets. Set UNSUPPORTED for unsupported targets.
316
07f03cd3
RO		 3172011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
318
319 * configure.tgt: Handle i386 like i[456]86.
320 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
321 take address.
322 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
323 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
324
0a35513e
AH		 3252011-11-05 Aldy Hernandez <aldyh@redhat.com>
326
327 * method-wbetl.cc: Update copyright notice.
328 * aatree.cc: Same.
329 * util.cc: Same.
330 * libitm.h: Same.
331 * memset.cc: Same.
332 * eh_cpp.cc: Same.
333 * barrier.tpl: Same.
334 * useraction.cc: Same.
335 * stmlock.h: Same.
336 * memcpy.cc: Same.
337 * common.h: Same.
338 * config/generic/tls.cc: Same.
339 * config/generic/cacheline.h: Same.
340 * config/generic/cachepage.h: Same.
341 * config/generic/cacheline.cc: Same.
342 * config/generic/unaligned.h: Same.
343 * config/x86/cacheline.h: Same.
344 * config/x86/cacheline.cc: Same.
345 * config/x86/unaligned.h: Same.
346 * config/alpha/cacheline.h: Same.
347 * config/alpha/unaligned.h: Same.
348 * config/alpha/sjlj.S: Same.
349 * config/posix/cachepage.cc: Same.
350 * config/linux/futex.h: Same.
351 * config/linux/alpha/futex_bits.h: Same.
352
3532011-11-04 Torvald Riegel <triegel@redhat.com>
354
355 * libitm.texi: No cover text and invariant sections.
356
3572011-11-03 Richard Henderson <rth@redhat.com>
358
359 * local_type_traits: New file.
360 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
361
3622011-11-03 Richard Henderson <rth@redhat.com>
363
364 * configure.ac: Don't test for gfortran.
365 * configure: Rebuild.
366
367 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
368 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
369
3702011-11-03 Aldy Hernandez <aldyh@redhat.com>
371
372 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
373 * testsuite/libitm.c/memset-1.c: Same.
374 * testsuite/libitm.c/c.exp: Same.
375 * testsuite/lib/libitm-dg.exp: Same.
376 * testsuite/lib/libitm.exp: Same.
377 * testsuite/libitm.c++/c++.exp: Same.
378
3792011-11-03 Aldy Hernandez <aldyh@redhat.com>
380
381 * testsuite/config/default.exp: Update copyright date.
382 * configure.ac: Add copyright info.
383 * configure.tgt: Same.
384
3852011-11-03 Aldy Hernandez <aldyh@redhat.com>
386
387 * testsuite/libitm.c/reentrant.c: XFAIL.
388 * testsuite/libitm.c++/static_ctor.C: XFAIL.
389
3902011-10-29 Torvald Riegel <triegel@redhat.com>
391
392 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
393 handle aborts.
394 (_ITM_abortTransaction): Handle aborts of outer transactions.
395 * libitm_i.h: Same.
396 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
397 * libitm.texi: Document aborts of outer transactions.
398 * testsuite/libitm.c/cancel.c: New file.
399
4002011-10-19 Torvald Riegel <triegel@redhat.com>
401
402 * testsuite/*: Change __transaction to __transaction_atomic or
403 __transaction_relaxed.
404
4052011-10-19 Torvald Riegel <triegel@redhat.com>
406
407 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
408 (gtm_thr): Same.
409
4102011-10-19 Torvald Riegel <triegel@redhat.com>
411
412 * libitm_i.h: Add gl_wt dispatch.
413 * retry.cc (parse_default_method): Same.
414 * method-gl.cc: New file.
415 * Makefile.am: Use method-gl.cc.
416 * Makefile.in: Rebuild.
417
4182011-10-19 Torvald Riegel <triegel@redhat.com>
419
420 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
421 safety if requested by a TM method.
422 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
423 privatization safety.
424 * method-serial.cc: Same.
425
4262011-10-19 Torvald Riegel <triegel@redhat.com>
427
428 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
429 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
430 undolog-related member functions from *_local to *_undolog.
431 * local.cc (gtm_thread::commit_undolog): Same.
432 * beginend.cc (GTM::gtm_thread::trycommit): Same.
433 (GTM::gtm_thread::rollback): Roll back undolog before
434 dispatch-specific rollback.
435
4362011-10-19 Torvald Riegel <triegel@redhat.com>
437
438 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
439 re-initialization of the current method group.
440 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
441
4422011-10-19 Torvald Riegel <triegel@redhat.com>
443
444 * alloc.cc (commit_allocations_2): Do not free transaction-local
445 memory when committing a nested transaction.
446
4472011-10-19 Torvald Riegel <triegel@redhat.com>
448
449 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
450 serial-irrevocable dispatch, not serial.
451
4522011-10-19 Torvald Riegel <triegel@redhat.com>
453
454 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
455 declarations.
456 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
457 * method-serial.cc: Implement begin_or_restart().
458 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
459 dispatch-specific begin_or_restart().
460 (GTM::gtm_thread::restart): Same.
461
4622011-08-23 Torvald Riegel <triegel@redhat.com>
463
464 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
465 restarting without switching to serial mode.
466 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
467 transaction state. Choose closed-nesting alternative if available.
468 (GTM::gtm_thread::set_default_dispatch): New.
469 (parse_default_method): New.
470 (GTM::gtm_thread::number_of_threads_changed): New.
471 * method-serial.cc (GTM::serial_mg): New method group class.
472 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
473 fini.
474 (GTM::serial_dispatch): Same.
475 (GTM::serialirr_onwrite_dispatch): Same.
476 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
477 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
478 registered threads.
479 (GTM::gtm_thread::gtm_thread): Same.
480 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
481 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
482 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
483 choose dispatch but set state according to dispatch here.
484 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
485 (GTM::method_group): New class.
486 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
487 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
488 * libitm.texi: Document TM methods, method groups, method life cycle.
489 Rename method sets to method groups.
490
4912011-08-23 Torvald Riegel <triegel@redhat.com>
492
493 * config/x86/tls.h: Moved to ...
494 * config/linux/x86/tls.h: ... here.
495
4962011-08-23 Torvald Riegel <triegel@redhat.com>
497
498 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
499 Add X32 support.
500 * config/x86/sjlj.S: Same.
501
5022011-08-19 Torvald Riegel <triegel@redhat.com>
503
504 * config/linux/rwlock.h: New file.
505 * config/linux/rwlock.c: New file.
506 * configure.ac: Reenable futex support (undo SVN rev 157758).
507 * Makefile.am: Same.
508 * configure.tgt: Same.
509 * config/linux/alpha/futex_bits.h: Same.
510 * config/linux/futex.h: Same. Return number of woken processes.
511 * config/linux/futex.cc: Same.
512 (futex_wait): Remove spinning.
513 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
514 Use __x86_64__ instead of __LP64__.
515 * aclocal.m4: Include generic futex checks.
516 * configure: Rebuild.
517 * Makefile.in: Rebuild.
518 * testsuite/Makefile.in: Rebuild.
519 * beginend.cc: Include pthread.h.
520 * config/posix/cachepage.cc: Same.
521
5222011-08-12 Torvald Riegel <triegel@redhat.com>
523
524 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
525 (abi_disp, set_abi_disp): Move to tx's TLS slot.
526 (set_gtm_thr): New.
527 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
528 (set_gtm_thr): New.
529 (GTM::gtm_thread::thread_num): Removed.
530 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
531 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
532 tx-to-thread renaming.
533 * beginend.cc: Adapted to tx-to-thread renaming.
534 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
535 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
536 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
537 gtm_transaction to gtm_thread.
538 (_ITM_getThreadnum): Removed. Not supported anymore.
539 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
540 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
541 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
542 gtm_tx-to-gtm_thr renaming if necessary.
543 * eh_cpp.cc: Same.
544 * local.cc: Same.
545 * retry.cc: Same.
546 * clone.cc: Same.
547 * alloc.cc: Same.
548 * alloc_c.cc: Same.
549 * alloc_cpp.cc: Same.
550 * method-serial.cc: Same.
551 * config/generic/tls.cc: Same.
552 * config/posix/rwlock.h (gtm_rwlock): Same.
553 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
554
5552011-08-12 Torvald Riegel <triegel@redhat.com>
556
557 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
558 implementation.
559 (gtm_rwlock::read_unlock): Same.
560 (gtm_rwlock::write_lock_generic): New. Generalized from ...
561 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
562 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
563 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
564 w_upgrade. Replaced by per-transaction flags (in shared_state).
565 Added c_confirmed_writers.
566 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
567 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
568 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
569 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
570 * beginend.cc (GTM::gtm_transaction::begin_transaction,
571 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
572 * libitm.texi: Document locking conventions and implementations in
573 libitm.
574
5752011-08-12 Torvald Riegel <triegel@redhat.com>
576
577 * libitm_i.h (next_tx): Add list of all threads' transaction.
578 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
579 transaction with list of transactions and ...
580 (thread_exit_handler): ... deregister here.
581 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
582 * config/x86/target.h: Same.
583
5842011-08-12 Torvald Riegel <triegel@redhat.com>
585
586 * testsuite/libitm.c++/static_ctor.C: New file.
587
5882011-08-12 Torvald Riegel <triegel@redhat.com>
589
590 * testsuite/libitm.c/reentrant.c: New file.
591
5922011-08-12 Torvald Riegel <triegel@redhat.com>
593
594 * config/generic/tls.h: Remove the free list for transactions and ...
595 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
596 (GTM::gtm_transaction::operator delete): ... and release here.
597 (thread_exit_handler): New. Delete tx when thread terminates.
598 (thread_exit_init): New.
599 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
600 * testsuite/libitm.c/txrelease.c: New file.
601
6022011-08-12 Torvald Riegel <triegel@redhat.com>
603
604 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
605 * testsuite/libitm.c/notx.c: New file.
606
6072011-08-12 Torvald Riegel <triegel@redhat.com>
608
609 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
610 * libitm_i.h (local_tid): ... to here.
611 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
612 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
613
6142011-08-12 Torvald Riegel <triegel@redhat.com>
615
616 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
617 serialirr_onwrite_dispatch as new default for now.
618 * method-serial.cc (serialirr_onwrite_dispatch): New.
619 (GTM::dispatch_serialirr_onwrite): New.
620 * libitm_i.h: Same.
621
6222011-08-12 Torvald Riegel <triegel@redhat.com>
623
624 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
625 * query.cc (_ITM_getTransactionId): There is no active transaction if
626 the current nesting level is zero.
627
6282011-07-28 Torvald Riegel <triegel@redhat.com>
629
630 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
631 rollback.
632
6332011-07-28 Torvald Riegel <triegel@redhat.com>
634
635 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
636 transaction properties from the caller instead of from the
637 transaction object.
638 * libitm_i.h: Same.
639 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
640
6412011-07-28 Torvald Riegel <triegel@redhat.com>
642
643 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
644 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
645 * dispatch.h: Same.
646 * method-serial.cc: Same.
647 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
648 flat nesting as default, and closed nesting on demand.
649 (GTM::gtm_transaction::rollback): Same.
650 (_ITM_abortTransaction): Same.
651 (GTM::gtm_transaction::restart): Same.
652 (GTM::gtm_transaction::trycommit): Same.
653 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
654 (choose_code_path): New.
655 (GTM::gtm_transaction_cp::save): New.
656 (GTM::gtm_transaction_cp::commit): New.
657 * query.cc (_ITM_inTransaction): Support flat nesting.
658 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
659 (GTM::gtm_transaction): Support flat and closed nesting.
660 * alloc.cc (commit_allocations_2): New.
661 (commit_cb_data): New helper struct.
662 (GTM::gtm_transaction::commit_allocations): Handle nested
663 commits/rollbacks.
664 * libitm.texi: Update user action section, add description of nesting.
665
6662011-07-28 Torvald Riegel <triegel@redhat.com>
667
668 * libitm_i.h: Add closed nesting as restart reason.
669 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
670
6712011-07-28 Torvald Riegel <triegel@redhat.com>
672
673 * useraction.cc: Use vector instead of list to store actions.
674 Also support partial rollbacks for closed nesting.
675 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
676 * beginend.cc: Same.
677
6782011-07-28 Torvald Riegel <triegel@redhat.com>
679
680 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
681 closed_nesting flags, as well as a closed nesting alternative.
682 * method-serial.cc: Same.
683 (serial_dispatch): Renamed to serialirr_dispatch.
684 (GTM::dispatch_serialirr): Same.
685 (serial_dispatch_ul): Renamed to serial_dispatch.
686 (GTM::dispatch_serial): Same.
687
6882011-07-28 Torvald Riegel <triegel@redhat.com>
689
690 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
691
6922011-07-28 Torvald Riegel <triegel@redhat.com>
693
694 * aatree.h (aa_tree::remove): New.
695 (aa_tree::operator new): Add placement new.
696
6972011-07-02 Torvald Riegel <triegel@redhat.com>
698
699 * containers.h: New file.
700 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
701 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
702 * common.h: ... to here.
703 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
704 * local.cc: Same.
705
7062011-06-30 Torvald Riegel <triegel@redhat.com>
707
708 * libitm_i.h (STATE_ABORTING): Remove.
709 * beginend.cc (_ITM_abortTransaction): Same.
710 (GTM::gtm_transaction::trycommit_and_finalize): Same.
711 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
712 (_ITM_rollbackTransaction): Remove.
713 * beginend.cc: Same.
714 * libitm.map: Same.
715 * libitm.texi: Document these ABI changes.
716
7172011-06-30 Torvald Riegel <triegel@redhat.com>
718
719 * libitm.texi: New file.
720 * Makefile.am: Add libitm.texi.
721 * Makefile.in: Rebuild.
722
7232011-06-30 Torvald Riegel <triegel@redhat.com>
724
725 * libitm_i.h: Move parts to common.h and dispatch.h.
726 * common.h: New file.
727 * dispatch.h: New file, new dispatch class.
728 Rename GTM::abi_dispatch::lock_type to ls_modifier.
729 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
730 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
731 decision to retry.cc.
732 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
733 only.
734 (GTM::gtm_transaction::decide_begin_dispatch): Same.
735 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
736 logging.
737 * barrier.cc: Use new barriers definitions.
738 (abi_dispatch::memmove_overlap_check): New.
739 * config/x86/x86_sse.cc: Same.
740 * config/x86/x86_avx.cc: Same.
741 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
742 memcpy.cc.
743 * Makefile.in: Rebuild.
744 * method-readonly.cc: Remove.
745 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
746 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
747
7482011-06-30 Torvald Riegel <triegel@redhat.com>
749
750 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
751 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
752 * testsuite/libitm.c/dropref-2.c: Same.
753 * testsuite/libitm.c/dropref.c: Same.
754
7552011-06-30 Torvald Riegel <triegel@redhat.com>
756
757 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
758 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
759 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
760 * alloc_c.cc: Same.
761 * barrier.tpl: Same.
762 * beginend.c: Same.
763 * config/generic/tls.h: Same.
764 * config/x86/tls.h: Same.
765 * libitm_i.h: Same.
766 * memcpy.cc: Same.
767 * memset.cc: Same.
768 * method-readonly.cc: Same.
769 * method-serial.cc: Same.
770 * method-wbetl.cc: Same.
771 * retry.cc: Same.
772
7732011-03-03 Richard Henderson <rth@redhat.com>
774
775 * config/posix/rwlock.cc (write_upgrade): Add missing case.
776 From Patrik Marlier <patrick.marlier@unine.ch>.
777
7782011-02-03 Richard Henderson <rth@redhat.com>
779
780 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
781 * configure.ac: Use it.
782 * configure, config.h.in: Rebuild.
783 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
784 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
785 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
786 * libitm.map: Use wildcards to match size_t mangling.
787
7882010-12-14 Richard Henderson <rth@redhat.com>
789
790 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
791 blocks of TIDs per thread.
792 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
793 (setup_gtm_thr): Return the thread structure.
794 * config/x86/tls.h (setup_gtm_thr): Likewise.
795
7962010-12-14 Richard Henderson <rth@redhat.com>
797
798 * clone.cc (table_lock): Remove.
799 (find_clone): Don't take it.
800 (ExcludeTransaction): New helper class.
801 (_ITM_registerTMCloneTable): Use it.
802 (_ITM_deregisterTMCloneTable): Likewise.
803
8042010-12-14 Richard Henderson <rth@redhat.com>
805
806 * config/x86/tls.h: New file.
807
8082010-07-15 Richard Henderson <rth@redhat.com>
809
810 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
811 * Makefile.in: Rebuild.
812
8132010-07-13 Aldy Hernandez <aldyh@redhat.com>
814
815 * method-wbetl.cc (trydropreference): Fix source line.
816
8172010-07-13 Aldy Hernandez <aldyh@redhat.com>
818
819 * libitm.h: Add comment.
820 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
821
8222010-07-07 Aldy Hernandez <aldyh@redhat.com>
823
824 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
825 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
826 available, use pthread mutexes.
827 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
828 * config.h.in: Regenerate.
829 * configure: Regenerate.
830
8312010-07-06 Aldy Hernandez <aldyh@redhat.com>
832
833 * libitm.h (ITM_PURE): Define.
834 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
835
8362010-06-28 Aldy Hernandez <aldyh@redhat.com>
837
838 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
839 (validate): Add comment.
840 (trydropreference): New.
841 * method-readonly.cc (class readonly_dispatch): Add
842 trydropreference.
843 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
844 Call trydropreference().
845 * libitm.h (_ITM_dropReferences): Remove const attribute.
846 * method-serial.cc (class serial_dispatch): Add trydropreference.
847 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
848
8492010-06-28 Aldy Hernandez <aldyh@redhat.com>
850
851 * memcpy.cc (do_memcpy): Comment.
852
8532010-06-25 Aldy Hernandez <aldyh@redhat.com>
854
855 * barrier.tpl: Add comments throughout.
856
8572010-06-24 Aldy Hernandez <aldyh@redhat.com>
858
859 * method-wbetl.cc (struct w_entry): Add comments.
860 (trycommit): Same.
861 (rollback): Same.
862
8632010-06-24 Aldy Hernandez <aldyh@redhat.com>
864
865 * alloc_c.cc (_ITM_dropReferences): New.
866 * libitm.map (_ITM_dropReferences): Add.
867 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
868 * libitm_i.h (struct gtm_transaction): Declare
869 drop_references_allocations and drop_references_local.
870 * local.cc (rollback_local): Ignore memory when applicable.
871 (drop_references_local): New.
872
8732010-06-23 Richard Henderson <rth@redhat.com>
874
875 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
876 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
877 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
878 * config/alpha/target.h: Likewise.
879 * config/generic/tls.cc (gtm_mask_stack): Use it.
880
8812010-06-23 Richard Henderson <rth@redhat.com>
882
883 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
884 a mutex instead of trying a lock-free compare-and-swap on the list.
885 (gtm_cacheline_page::operator delete): Likewise.
886
8872010-06-16 Richard Henderson <rth@redhat.com>
888
889 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
890 that overlap the libitm stack.
891 * barrier.tpl: Mark incoming stack.
892 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
893 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
894 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
895 * memcpy.cc, memset.cc: Likewise.
896 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
897 * config/generic/tls.h (gtm_thread): Add stack_top member.
898 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
899 * libitm_i.h (gtm_mask_stack): Declare.
900 * config/generic/tls.cc: New file.
901 * Makefile.am (libitm_la_SOURCES): Add it.
902 (AM_CXXFLAGS): Turn off exceptions.
903 * Makefile.in: Rebuild.
904
9052010-06-16 Richard Henderson <rth@redhat.com>
906
907 * alloc.cc (struct gtm_alloc_action): Move definition ...
908 * libitm_i.h: ... here.
909 (class gtm_transaction): Declare new and delete.
910 * beginend.cc (alloc_tx): Reformulate as operator new.
911 (free_tx): Reformulate as operator delete.
912 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
913
9142010-06-11 Richard Henderson <rth@redhat.com>
915
916 * clone.cc (clone_entry_compare): Fix typo.
917 From Patrik Marlier <patrick.marlier@unine.ch>.
918
9192010-05-13 Richard Henderson <rth@redhat.com>
920
921 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
922 in extern "C".
923
9242010-05-07 Aldy Hernandez <aldyh@redhat.com>
925
926 * libitm_i.h (struct gtm_transaction): Remove
927 get_allocation_size.
928 (record_allocation): Remove size parameter.
929 * libitm.map (_ITM_realloc): Remove.
930 * alloc_c.cc (_ITM_realloc): Remove.
931 (_ITM_malloc): Remove size argument to record_allocation.
932 (_ITM_calloc): Same.
933 * alloc_cpp.cc (_ZGTtnwm): Same.
934 (_ZGTtnwmRKSt9nothrow_t): Same.
935 (_ZGTtnam): Same.
936 (_ZGTtnamRKSt9nothrow_t): Same.
937 * alloc.cc (struct gtm_alloc_action): Remove size.
938 (get_allocation_size): Remove.
939 (commit_allocations): Add comment.
940 (record_allocation): Remove size parameter.
941 (forget_allocation): Remove set of size.
942
9432010-04-19 Aldy Hernandez <aldyh@redhat.com>
944
945 * Makefile.am (abi_version): New.
946 (AM_CXXFLAGS): Pass abi_version.
947 * Makefile.in: Regenerate.
948 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
949
9502010-04-06 Aldy Hernandez <aldyh@redhat.com>
951
952 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
953 _ITM_getTMCloneOrIrrevokable.
954 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
955 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
956
9572010-03-26 Aldy Hernandez <aldyh@redhat.com>
958
959 * configure.ac: Remove Linux futex support.
960 * configure.tgt (config_path): Same.
961 * Makefile.am: Same.
962 * config/linux: Remove entire directory.
963 * configure: Rebuild.
964 * Makefile.in: Rebuild.
965 * testsuite/Makefile.in: Rebuild.
966
9672010-03-09 Aldy Hernandez <aldyh@redhat.com>
968
969 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
970 switching to serial mode.
971 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
972
9732010-03-03 Aldy Hernandez <aldyh@redhat.com>
974
975 * configure.tgt: Add emacs -*- tags.
976 * barrier.tpl: Same.
977
9782010-02-23 Aldy Hernandez <aldyh@redhat.com>
979
980 * Makefile.am: Rename serial.cc to method-serial.cc.
981 * Makefile.in: Regenerate with automake 1.11.1.
982 * testsuite/Makefile.in: Same.
983 * aclocal.m4: Regenerate with aclocal 1.11.1.
984 * method-serial.cc: Rename from serial.cc.
985 * libitm_i.h (struct gtm_transaction): Update comment on
986 serialirr_mode.
987
9882010-02-22 Aldy Hernandez <aldyh@redhat.com>
989
990 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
991 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
992
9932010-02-11 Aldy Hernandez <aldyh@redhat.com>
994
995 * configure: Rebuild.
996
9972009-11-12 Richard Henderson <rth@redhat.com>
998
999 * Rewrite everything in C++.
1000
10012009-11-03 Richard Henderson <rth@redhat.com>
1002
1003 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1004 * Makefile.am (libitm_la_SOURCES): Add them.
1005 * configure.ac (ARCH_X86): New conditional.
1006 * Makefile.in, configure: Rebuild.
1007 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1008 Move futex setup into "other system configury" case.
1009 * local.c (rollback_local): Merge into ...
1010 (GTM_rollback_local): ... here.
1011 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1012 (_ITM_LB): Define as an alias to GTM_LB.
1013
10142009-11-03 Richard Henderson <rth@redhat.com>
1015
1016 * method-readonly.c: New file.
1017 * Makefile.am (libitm_la_SOURCES): Add it.
1018 * Makefile.in: Rebuild.
1019 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1020 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1021 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1022 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1023 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1024 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1025 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1026 gtm_get_clock, gtm_inc_clock): New.
1027 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1028 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1029 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1030 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1031 replace uses with new libitm_i.h symbols.
1032 (dispatch_wbetl): Rename from wbetl_dispatch.
1033 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1034 away from dispatch_readonly; abort if the beginTransaction call
1035 asserted that the transaction was readonly.
1036
10372009-11-03 Richard Henderson <rth@redhat.com>
1038
1039 * memset.c: New file.
1040 * Makefile.am (libitm_la_SOURCES): Add it.
1041 * Makefile.in: Rebuild.
1042 * testsuite/libitm.c/memset-1.c: New.
1043
10442009-11-03 Richard Henderson <rth@redhat.com>
1045
1046 * dispatch.c: Remove file.
1047 * useraction.c (struct gtm_user_action): Move from libitm.h.
1048 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1049 (serial_memset, serial_memmove, serial_memcpy): Remove.
1050 (serial_W*, serial_R*): Remove.
1051 (serial_dispatch): Update to match.
1052 * configure.ac: Move Werror down below configure checks. Don't
1053 check for sys/loadavg.h, do check for malloc.h. Don't check for
1054 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1055 Use GCC_AC_FUNC_MMAP_BLACKLIST
1056 * libitm.h: Split out all internal items to...
1057 * libitm_i.h: ... here. New file.
1058 * copymask.c: New file.
1059 * local.c (struct gtm_local_undo): Move from libitm.h.
1060 (GTM_alloc_local): Rename from alloc_local; export.
1061 * memcpy.c: New file.
1062 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1063 * config/posix/page.c: New file.
1064 * config/posix/target_tls.h: Remove file.
1065 * barrier.c: New file.
1066 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1067 copymask.c, page.c.
1068 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1069 * method-wbetl.c: Rewrite for new cacheline methods.
1070 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1071
1072 * config/alpha/sjlj.S: Fix typo.
1073 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1074 * config/alpha/copymask.c: New file.
1075 * config/alpha/target.h (CACHELINE_SIZE): New.
1076 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1077
1078 * config/x86/target_i.h: Copy functions from x86/target.h.
1079 * config/x86/copymask.c: New file.
1080 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1081 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1082 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1083 * config/x86/target_tls.h: Move contents to target_i.h.
1084
1085 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1086 * testsuite/libitm.c/memcpy-1.c: New.
1087
10882009-10-22 Richard Henderson <rth@redhat.com>
1089
1090 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1091 (AM_CCASFLAGS): New.
1092 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1093 saving/restoring _AC_ARG_VAR_PRECIOUS.
1094 * Makefile.in, aclocal.m4, config.h.in, configure,
1095 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1096
10972009-10-22 Richard Henderson <rth@redhat.com>
1098
1099 * testsuite/*: Update for new compiler syntax.
1100
11012009-10-21 Richard Henderson <rth@redhat.com>
1102
1103 * libitm.h (_ITM_abortReason): Add outerAbort.
1104
11052009-08-03 Richard Henderson <rth@redhat.com>
1106
1107 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1108 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1109 * method-wbetl.c (struct w_entry): Remove mask.
1110 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1111 adjust all callers.
1112
11132009-07-22 Richard Henderson <rth@redhat.com>
1114
1115 * eh_cpp.c: New file.
1116 * Makefile.am (libitm_la_SOURCES): Add it.
1117 * Makefile.in: Rebuild.
1118 * beginend.c (GTM_rollback_transaction): Undo exception state.
1119 (GTM_trycommit_transaction): Mark inline.
1120 (GTM_trycommit_and_finalize_transaction): Split out from ...
1121 (_ITM_commitTransaction): ... here.
1122 (_ITM_commitTransactionEH): New function.
1123 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1124 cxa_unthrown, eh_in_flight; reorder.
1125
1126 * testsuite/libitm.c++/c++.exp: New.
1127 * testsuite/libitm.c++/eh-1.C: New.
1128
1129 * aatree.c (aa_free): Remove REGPARM.
1130 * aatree.h: Remove all REGPARM.
1131
11322009-07-18 Richard Henderson <rth@redhat.com>
1133
1134 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1135 * Makefile.am (libitm_la_SOURCES): Add them.
1136 * Makefile.in: Rebuild.
1137 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1138 (GTM_trycommit_transaction): Likewise.
1139 * libitm.h: Include aatree.h
1140 (struct gtm_alloc_action): New.
1141 (struct gtm_transaction): Add alloc_actions.
1142 (GTM_record_allocation, GTM_forget_allocation): Declare.
1143 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1144 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1145 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1146 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1147 _ZGTtdaPvRKSt9nothrow_t): Export.
1148
11492009-07-18 Richard Henderson <rth@redhat.com>
1150
1151 * target_tls.h: Move ...
1152 * config/posix/target_tls.h: ... here.
1153
11542009-07-07 Richard Henderson <rth@redhat.com>
1155
1156 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1157
11582009-07-07 Richard Henderson <rth@redhat.com>
1159
1160 * Update to GPL3.
1161
11622009-07-07 Richard Henderson <rth@redhat.com>
1163
1164 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1165 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1166
1167 * configure.tgt: Don't use -ftls-model for x86 linux.
1168 * libitm.h: Include target.h after standard includes.
1169 (_gtm_thr): Rename from gtm_thr.
1170 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1171 (gtm_disp, set_gtm_disp): New.
1172 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1173 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1174 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1175
11762009-07-07 Richard Henderson <rth@redhat.com>
1177
1178 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1179
11802009-07-06 Richard Henderson <rth@redhat.com>
1181
1182 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1183 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1184 (_ITM_beginTransaction): Take variadic arguments.
1185 (_ITM_registerThrownObject): Declare.
1186 * beginend.c, serial.c: Update.
1187 * libitm.map: Add _ITM_registerThrownObject.
1188
11892009-01-28 Richard Henderson <rth@redhat.com>
1190
1191 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1192 * Makefile.in: Rebuild.
1193 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1194 (GTM_restart_transaction): Fix uninstrumented code check.
1195 * retry.c (GTM_decide_retry_strategy): Add serial check.
1196 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1197 automatically go irrevokable when in serial mode.
1198 * clone.c: New file.
1199 * libitm.h, libitm.map: Update.
1200
12012009-01-27 Richard Henderson <rth@redhat.com>
1202
1203 * Makefile.am (LTCCASCOMPILE): Define.
1204 (libitm_la_SOURCES): Add methid-wbetl.c.
1205 * testsuite/Makefile.am: New
1206 * configure.ac: Add testsuite/Makefile.
1207 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1208 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1209 (_ITM_abortTransaction): Finalize implementation method; pass
1210 transaction properties to longjmp.
1211 (GTM_restart_transaction): Split out from ...
1212 (_ITM_commitTransaction): ... here.
1213 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1214 Move to config/x86/target.h.
1215 * config/linux/alpha/futex_bits.h: New.
1216 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1217 * config/x86/target.h: Disable target types for 32-bit.
1218 * config/alpha/sjlj.S, config/alpha/target.h: New.
1219 * libitm.h (struct gtm_dispatch): Add init, fini.
1220 (enum restart_reason): New.
1221 (struct gtm_transaction): Add method and restarts.
1222 * retry.c (GTM_decide_retry_strategy): Implement.
1223 * serial.c (serial_init, serial_fini): New.
1224 (GTM_serialmode): Finialize outgoing method.
1225 * method-wbetl.c: New.
1226
12272008-12-09 Richard Henderson <rth@redhat.com>
1228
1229 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1230 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1231 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1232 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1233 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1234 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1235 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1236 * serial.c (serial_R##T, serial_W##T): Likewise.
1237
12382008-11-21 Richard Henderson <rth@redhat.com>
1239
1240 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git