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gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
[thirdparty/gcc.git] / libitm / ChangeLog
CommitLineData
255a9a1b
EB		 12012-02-11 Eric Botcazou <ebotcazou@adacore.com>
2
3 * configure.ac (link_itm): Fix comment.
4 * configure: Regenerate.
5 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
6
681355e3
RO		 72012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8
fc985d2f 9 PR libitm/51822
681355e3
RO		 10 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add
11 -shared-libgcc.
12 Correct libgomp references.
13
999bcff5
TR		 142012-01-24 Torvald Riegel <triegel@redhat.com>
15
16 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
17 wake-up.
18
9848887a
UB		 192012-01-24 Uros Bizjak <ubizjak@gmail.com>
20
21 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
22 end of structure.
23 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
24 offset values. Do not copy return address. Decrement stack
25 by 56 bytes only.
26 (GTM_longjump) [__x86_64__]: Update offset values.
27
5752c591
UB		 282012-01-23 Uros Bizjak <ubizjak@gmail.com>
29
30 PR libitm/51830
31 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
32 the first function argument to %eax.
33
61e72ca4
RO		 342012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
35
36 * libitm.h (_ITM_getThreadnum): Remove.
37 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
38
9ce91011
RO		 392012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
40
41 * clearcap.map: New file.
42 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
43 * configure.ac: Call it.
44 Clear HWCAP_LDFLAGS if defaulting to -mavx.
45 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
46 * configure: Regenerate.
47 * Makefile.in: Regenerate.
48 * testsuite/Makefile.in: Regenerate.
49
3b4f05ec
RO		 502012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
51
52 PR libitm/51173
53 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
54 include, exclude options.
55
aab74ee9
TR		 562012-01-14 Torvald Riegel <triegel@redhat.com>
57
58 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
59 rolling back.
60 * containers.h (GTM::vector::set_size): New.
61
07b6642b
TR		 622012-01-14 Torvald Riegel <triegel@redhat.com>
63
64 PR libitm/51855
65 * config/generic/tls.h (GTM::mask_stack_top): New.
66 (GTM::mask_stack_bottom): Declare.
67 * config/generic/tls.c (GTM::mask_stack_bottom): New.
68 * local.cc (gtm_undolog::rollback): Filter out any updates that
69 overlap the libitm stack. Add current transaction as parameter.
70 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
71 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
72 * testsuite/libitm.c/stackundo.c: New test.
73
8377e5e5
RH		 742012-01-10 Richard Henderson <rth@redhat.com>
75
76 * libitm_i.h (_Unwind_DeleteException): Declare weak.
77 * eh_cpp.cc (_Unwind_DeleteException): Define for
78 !HAVE_ELF_STYLE_WEAKREF.
79
11f30bb0
TR		 802012-01-08 Torvald Riegel <triegel@redhat.com>
81
82 * local.cc (GTM_LB): Use GTM::gtm_undolog.
83 (GTM::gtm_thread::drop_references_undolog): Remove.
84 (GTM::gtm_thread::commit_undolog,
85 GTM::gtm_thread::rollback_undolog): Move to ...
86 * libitm_i.h (GTM::gtm_undolog): ...here. New.
87 (GTM::gtm_undolog_entry): Remove.
88 (GTM::gtm_thread): Adapt.
89 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
90 (GTM::gtm_thread::trycommit): Adapt.
91 * method-serial.cc (serial_dispatch::log): Adapt.
92 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
93 (gl_wt_dispatch::store): Fix likely/unlikely.
94 * containers.h (GTM::vector::resize): Add additional_capacity
95 parameter and handle it.
96 (GTM::vector::resize_noinline): New/adapt.
97 (GTM::vector::push): New.
98
a32e5e93
RH		 992012-01-06 Richard Henderson <rth@redhat.com>
100
101 * configure.tgt: Support powerpc-linux and powerpc-darwin.
102 * config/linux/powerpc/futex_bits.h: New file.
103 * config/powerpc/cacheline.h: New file.
104 * config/powerpc/sjlj.S: New file.
105 * config/powerpc/target.h: New file.
106 * config/generic/asmcfi.h (cfi_offset): New.
107 (cfi_restore, cfi_undefined): New.
108
1f53a8e6
AH		 1092012-01-05 Aldy Hernandez <aldyh@redhat.com>
110
111 PR other/51171
112 * testsuite/libitm.c/reentrant.c: Remove xfail.
113 (thread): Pass x to pure().
be223aaf 114 From Patrik Marlier <patrick.marlier@gmail.com>.
1f53a8e6 115
c898f7b8
TR		 1162011-12-24 Torvald Riegel <triegel@redhat.com>
117
118 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
119 privatization safety if already in serial mode.
120
610e3901
TR		 1212011-12-24 Torvald Riegel <triegel@redhat.com>
122
123 * beginend.cc (GTM::gtm_thread::restart): Add and handle
124 finish_serial_upgrade parameter.
125 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
126 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
127 Don't unset reader flag.
128 (GTM::gtm_rwlock::write_upgrade_finish): New.
129 * config/posix/rwlock.cc: Same.
130 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
131 Declare.
132 * config/posix/rwlock.h: Same.
133 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
134 flag after commit or after rollback when restarting.
135
799142bf
TR		 1362011-12-24 Torvald Riegel <triegel@redhat.com>
137
138 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
139 (GTM::gtm_thread::try_commit): Changed memory order.
140 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
141 as parameter.
142 * config/linux/x86/futex_bits.h (sys_futex0): Same.
143 * config/linux/sh/futex_bits.h (sys_futex0): Same.
144 * config/linux/futex_bits.h (sys_futex0): Same.
145 * config/linux/futex.cc (futex_wait, futex_wake): Same.
146 * config/linux/futex.h (futex_wait, futex_wake): Same.
147 * config/linux/rwlock.h (gtm_rwlock::writers,
148 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
149 ints.
150 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
151 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
152 gtm_rwlock::write_unlock): Fix memory orders and fences.
153 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
154 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
155 gtm_rwlock::write_unlock): Same.
156 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
157 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
158 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
159 Add comments.
160 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
161 gl_wt_dispatch::load, gl_wt_dispatch::store,
162 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
163 orders and fences. Add comments.
164
b0f96e35
JJ		 1652011-12-21 Jakub Jelinek <jakub@redhat.com>
166
167 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
168 * Makefile.in: Regenerated.
169
cc163247
KK		 1702011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
171
172 * configure.tgt: Add sh* case.
173 * config/sh/target.h: New file.
174 * config/sh/sjlj.S: New file.
175 * config/linux/sh/futex_bits.h: New file.
176
aebac0ca
RH		 1772011-12-14 Richard Henderson <rth@redhat.com>
178
179 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
180 * config/arm/sjlj.S, config/arm/target.h: New files.
181 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
182 (cfi_rel_offset): New.
183 * config/linux/futex_bits.h: New file.
184 * config/linux/futex.cc: Include futex_bits.h here...
185 * config/linux/futex.h: ... not here.
186 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
187 * configure.ac (ARCH_AM): New conditional.
188 * Makefile.in, configure: Rebuild.
189 * configure.tgt: Handle ARM.
190
36cfbee1
RH		 1912011-12-13 Richard Henderson <rth@redhat.com>
192
5d9d05d3
RH		 193 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
194 signed/unsigned comparison werror.
195
36cfbee1
RH		 196 * local_atomic: New file.
197 * libitm_i.h: Include it.
198 (gtm_thread::shared_state): Use atomic template.
199 * beginend.cc (GTM::gtm_clock): Use atomic template.
200 (global_tid): Use atomic template if 64-bit atomics available.
201 (gtm_thread::gtm_thread): Update shared_state access.
202 (gtm_thread::trycommit): Likewise.
203 (choose_code_path): Update global_tid access.
204 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
205 * stmlock.h (GTM::gtm_clock): Use atomic template.
206 (gtm_get_clock, gtm_inc_clock): Update accesses.
207 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
208 redundant __sync_synchronize after atomic shared_state access.
209 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
210 (gtm_rwlock::write_lock_generic): Likewise.
211 (gtm_rwlock::read_unlock): Likewise.
212 * config/alpha/target.h (atomic_read_barrier): Remove.
213 (atomic_write_barrier): Remove.
214 * config/x86/target.h (atomic_read_barrier): Remove.
215 (atomic_write_barrier): Remove.
216
062f93f2
RH		 2172011-11-30 Richard Henderson <rth@redhat.com>
218
219 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
220 * beginend.c (_ITM_abortTransaction): Update to match.
221 (GTM::gtm_thread::restart): Likewise.
222 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
223 * config/x86/sjlj.S (GTM_longjmp): Likewise.
224
bd8aaa86
IS		 2252011-11-23 Iain Sandoe <iains@gcc.gnu.org>
226
227 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
228 * Makefile.in: Regenerate.
229
8cf36bb3
IS		 2302011-11-22 Iain Sandoe <iains@gcc.gnu.org>
231
232 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
233 * alloc_cpp.cc: Generate dummy functions if we don't
234 HAVE_ELF_STYLE_WEAKREF.
235 * eh_cpp.cc: Likewise.
236 * configure: Regenerate.
237 * aclocal.m4: Likewise.
238 * config.h.in: Likewise.
239 * Makefile.in: Likewise.
240 * testsuite/Makefile.in: Likewise.
241
0b41ebef
IS		 2422011-11-22 Iain Sandoe <iains@gcc.gnu.org>
243
244 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
245 __USER_LABEL_PREFIX__ for targets that use it.
8cf36bb3 246 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
0b41ebef
IS		 247 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
248 in portability to non-elf targets.
8cf36bb3 249 (GTM_longjmp): Likewise.
0b41ebef
IS		 250 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
251 where required.
252
9c9d352a
IS		 2532011-11-22 Iain Sandoe <iains@gcc.gnu.org>
254
255 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
256 * testsuite/libitm.c/memset-1.c: Likewise.
257
c6084f68
AT		 2582011-11-21 Andreas Tobler <andreast@fgznet.ch>
259
260 * configure: Regenerate.
261
adcd36bc
RO		 2622011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
263
264 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
265 (LIBITM_ENABLE_SYMVERS): Handle sun style.
266 * Makefile.am: Handle sun style versioning.
267 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
268 * configure: Regenerate.
269 * Makefile.in: Regenerate.
270
59659b59
RO		 2712011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
272
273 * config/generic/asmcfi.h: Fix comment.
274 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
275 sequence without .hidden support, error for non-ELF targets.
276 (GTM_longjmp) [__ELF__]: Only use .hidden if
277 HAVE_ATTRIBUTE_VISIBILITY.
278
d846e425
RO		 2792011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
280
281 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
282 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
283 Dummy functions.
284 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
285 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
286
80713347
UB		 2872011-11-16 Uros Bizjak <ubizjak@gmail.com>
288
289 PR bootstrap/51098
290 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
291 * configure: Regenerate.
292
2841f85e
L		 2932011-11-14 H.J. Lu <hongjiu.lu@intel.com>
294
295 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
296
8851b429
RO		 2972011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
298
299 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
300 .hidden.
301 (.note.GNU-stack): Only use if __linux__.
302 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
303 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
304 * testsuite/libitm.c/reentrant.c: Likewise.
305 * testsuite/libitm.c/simple-2.c: Likewise.
306 * testsuite/libitm.c/txrelease.c: Likewise.
307 * testsuite/libitm.c++/static_ctor.C: Likewise.
308
d4b17902
RH		 3092011-11-10 Richard Henderson <rth@redhat.com>
310
311 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
312 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
313 * configure.ac (ARCH_X86_AVX): New conditional.
314 * Makefile.in, configure: Rebuild.
315
430616e7
RH		 3162011-11-09 Richard Henderson <rth@redhat.com>
317
318 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
319 * configure.ac: Use it.
320 * config.h.in, configure: Rebuild.
321 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
322
79b1edb6
RH		 3232011-11-09 Richard Henderson <rth@redhat.com>
324
325 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
326 * config/alpha/unaligned.h: Remove file.
327 * config/generic/unaligned.h: Remove file.
328 * config/x86/unaligned.h: Remove file.
329 * config/generic/cachepage.h: Remove file.
330 * config/posix/cachepage.cc: Remove file.
331 * config/generic/cacheline.cc: Remove file.
332 * config/x86/cacheline.cc: Remove file.
333 * config/generic/cacheline.h (gtm_cacheline): Remove the
334 store_mask, copy_mask, copy_mask_wb methods.
335 * config/x86/cacheline.h: Likewise.
336 * config/alpha/cacheline.h: Fall back to generic after setting size.
337 * config/generic/tls.cc (gtm_mask_stack): Remove.
338 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
339 (GTM_vpalignr_table): Remove.
340 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
341 (GTM_pshift_table): Remove.
342 * config/libitm_i.h: Don't include cachepage.h.
343 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
344 * Makefile.in, testsuite/Makefile.in: Rebuild.
345
4bdd090f
RH		 3462011-11-09 Richard Henderson <rth@redhat.com>
347
8ee9fac2
RH		 348 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
349 to emit branch prediction hint.
350
9bdc6343
RH		 351 * config/x86/sjlj.S: Protect elf directives with __ELF__.
352 Protect .note.GNU-stack with __linux__.
353
4bdd090f
RH		 354 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
355 * configure, aclocal.m4, config.h.in: Rebuild.
356 * config/generic/asmcfi.h: New file.
357 * config/x86/sjlj.S: Use it.
358
4408b086
RH		 3592011-11-08 Richard Henderson <rth@redhat.com>
360
361 * local.cc (_ITM_LB): Use a normal call, not a function alias.
362
01f3428c
RH		 3632011-11-08 Richard Henderson <rth@redhat.com>
364
3d3b05ff
RH		 365 * configure.tgt: Test correct directory for supported cpus.
366
01f3428c
RH		 367 * configure.ac: Exit if unsupported.
368 * configure: Rebuild.
369 * configure.tgt: Delete boilerplate from libgomp for unsupported
370 targets. Set UNSUPPORTED for unsupported targets.
371
07f03cd3
RO		 3722011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
373
374 * configure.tgt: Handle i386 like i[456]86.
375 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
376 take address.
377 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
378 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
379
0a35513e
AH		 3802011-11-05 Aldy Hernandez <aldyh@redhat.com>
381
382 * method-wbetl.cc: Update copyright notice.
383 * aatree.cc: Same.
384 * util.cc: Same.
385 * libitm.h: Same.
386 * memset.cc: Same.
387 * eh_cpp.cc: Same.
388 * barrier.tpl: Same.
389 * useraction.cc: Same.
390 * stmlock.h: Same.
391 * memcpy.cc: Same.
392 * common.h: Same.
393 * config/generic/tls.cc: Same.
394 * config/generic/cacheline.h: Same.
395 * config/generic/cachepage.h: Same.
396 * config/generic/cacheline.cc: Same.
397 * config/generic/unaligned.h: Same.
398 * config/x86/cacheline.h: Same.
399 * config/x86/cacheline.cc: Same.
400 * config/x86/unaligned.h: Same.
401 * config/alpha/cacheline.h: Same.
402 * config/alpha/unaligned.h: Same.
403 * config/alpha/sjlj.S: Same.
404 * config/posix/cachepage.cc: Same.
405 * config/linux/futex.h: Same.
406 * config/linux/alpha/futex_bits.h: Same.
407
4082011-11-04 Torvald Riegel <triegel@redhat.com>
409
410 * libitm.texi: No cover text and invariant sections.
411
4122011-11-03 Richard Henderson <rth@redhat.com>
413
414 * local_type_traits: New file.
415 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
416
4172011-11-03 Richard Henderson <rth@redhat.com>
418
419 * configure.ac: Don't test for gfortran.
420 * configure: Rebuild.
421
422 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
423 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
424
4252011-11-03 Aldy Hernandez <aldyh@redhat.com>
426
427 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
428 * testsuite/libitm.c/memset-1.c: Same.
429 * testsuite/libitm.c/c.exp: Same.
430 * testsuite/lib/libitm-dg.exp: Same.
431 * testsuite/lib/libitm.exp: Same.
432 * testsuite/libitm.c++/c++.exp: Same.
433
4342011-11-03 Aldy Hernandez <aldyh@redhat.com>
435
436 * testsuite/config/default.exp: Update copyright date.
437 * configure.ac: Add copyright info.
438 * configure.tgt: Same.
439
4402011-11-03 Aldy Hernandez <aldyh@redhat.com>
441
442 * testsuite/libitm.c/reentrant.c: XFAIL.
443 * testsuite/libitm.c++/static_ctor.C: XFAIL.
444
4452011-10-29 Torvald Riegel <triegel@redhat.com>
446
447 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
448 handle aborts.
449 (_ITM_abortTransaction): Handle aborts of outer transactions.
450 * libitm_i.h: Same.
451 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
452 * libitm.texi: Document aborts of outer transactions.
453 * testsuite/libitm.c/cancel.c: New file.
454
4552011-10-19 Torvald Riegel <triegel@redhat.com>
456
457 * testsuite/*: Change __transaction to __transaction_atomic or
458 __transaction_relaxed.
459
4602011-10-19 Torvald Riegel <triegel@redhat.com>
461
462 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
463 (gtm_thr): Same.
464
4652011-10-19 Torvald Riegel <triegel@redhat.com>
466
467 * libitm_i.h: Add gl_wt dispatch.
468 * retry.cc (parse_default_method): Same.
469 * method-gl.cc: New file.
470 * Makefile.am: Use method-gl.cc.
471 * Makefile.in: Rebuild.
472
4732011-10-19 Torvald Riegel <triegel@redhat.com>
474
475 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
476 safety if requested by a TM method.
477 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
478 privatization safety.
479 * method-serial.cc: Same.
480
4812011-10-19 Torvald Riegel <triegel@redhat.com>
482
483 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
484 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
485 undolog-related member functions from *_local to *_undolog.
486 * local.cc (gtm_thread::commit_undolog): Same.
487 * beginend.cc (GTM::gtm_thread::trycommit): Same.
488 (GTM::gtm_thread::rollback): Roll back undolog before
489 dispatch-specific rollback.
490
4912011-10-19 Torvald Riegel <triegel@redhat.com>
492
493 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
494 re-initialization of the current method group.
495 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
496
4972011-10-19 Torvald Riegel <triegel@redhat.com>
498
499 * alloc.cc (commit_allocations_2): Do not free transaction-local
500 memory when committing a nested transaction.
501
5022011-10-19 Torvald Riegel <triegel@redhat.com>
503
504 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
505 serial-irrevocable dispatch, not serial.
506
5072011-10-19 Torvald Riegel <triegel@redhat.com>
508
509 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
510 declarations.
511 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
512 * method-serial.cc: Implement begin_or_restart().
513 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
514 dispatch-specific begin_or_restart().
515 (GTM::gtm_thread::restart): Same.
516
5172011-08-23 Torvald Riegel <triegel@redhat.com>
518
519 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
520 restarting without switching to serial mode.
521 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
522 transaction state. Choose closed-nesting alternative if available.
523 (GTM::gtm_thread::set_default_dispatch): New.
524 (parse_default_method): New.
525 (GTM::gtm_thread::number_of_threads_changed): New.
526 * method-serial.cc (GTM::serial_mg): New method group class.
527 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
528 fini.
529 (GTM::serial_dispatch): Same.
530 (GTM::serialirr_onwrite_dispatch): Same.
531 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
532 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
533 registered threads.
534 (GTM::gtm_thread::gtm_thread): Same.
535 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
536 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
537 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
538 choose dispatch but set state according to dispatch here.
539 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
540 (GTM::method_group): New class.
541 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
542 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
543 * libitm.texi: Document TM methods, method groups, method life cycle.
544 Rename method sets to method groups.
545
5462011-08-23 Torvald Riegel <triegel@redhat.com>
547
548 * config/x86/tls.h: Moved to ...
549 * config/linux/x86/tls.h: ... here.
550
5512011-08-23 Torvald Riegel <triegel@redhat.com>
552
553 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
554 Add X32 support.
555 * config/x86/sjlj.S: Same.
556
5572011-08-19 Torvald Riegel <triegel@redhat.com>
558
559 * config/linux/rwlock.h: New file.
560 * config/linux/rwlock.c: New file.
561 * configure.ac: Reenable futex support (undo SVN rev 157758).
562 * Makefile.am: Same.
563 * configure.tgt: Same.
564 * config/linux/alpha/futex_bits.h: Same.
565 * config/linux/futex.h: Same. Return number of woken processes.
566 * config/linux/futex.cc: Same.
567 (futex_wait): Remove spinning.
568 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
569 Use __x86_64__ instead of __LP64__.
570 * aclocal.m4: Include generic futex checks.
571 * configure: Rebuild.
572 * Makefile.in: Rebuild.
573 * testsuite/Makefile.in: Rebuild.
574 * beginend.cc: Include pthread.h.
575 * config/posix/cachepage.cc: Same.
576
5772011-08-12 Torvald Riegel <triegel@redhat.com>
578
579 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
580 (abi_disp, set_abi_disp): Move to tx's TLS slot.
581 (set_gtm_thr): New.
582 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
583 (set_gtm_thr): New.
584 (GTM::gtm_thread::thread_num): Removed.
585 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
586 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
587 tx-to-thread renaming.
588 * beginend.cc: Adapted to tx-to-thread renaming.
589 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
590 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
591 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
592 gtm_transaction to gtm_thread.
593 (_ITM_getThreadnum): Removed. Not supported anymore.
594 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
595 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
596 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
597 gtm_tx-to-gtm_thr renaming if necessary.
598 * eh_cpp.cc: Same.
599 * local.cc: Same.
600 * retry.cc: Same.
601 * clone.cc: Same.
602 * alloc.cc: Same.
603 * alloc_c.cc: Same.
604 * alloc_cpp.cc: Same.
605 * method-serial.cc: Same.
606 * config/generic/tls.cc: Same.
607 * config/posix/rwlock.h (gtm_rwlock): Same.
608 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
609
6102011-08-12 Torvald Riegel <triegel@redhat.com>
611
612 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
613 implementation.
614 (gtm_rwlock::read_unlock): Same.
615 (gtm_rwlock::write_lock_generic): New. Generalized from ...
616 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
617 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
618 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
619 w_upgrade. Replaced by per-transaction flags (in shared_state).
620 Added c_confirmed_writers.
621 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
622 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
623 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
624 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
625 * beginend.cc (GTM::gtm_transaction::begin_transaction,
626 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
627 * libitm.texi: Document locking conventions and implementations in
628 libitm.
629
6302011-08-12 Torvald Riegel <triegel@redhat.com>
631
632 * libitm_i.h (next_tx): Add list of all threads' transaction.
633 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
634 transaction with list of transactions and ...
635 (thread_exit_handler): ... deregister here.
636 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
637 * config/x86/target.h: Same.
638
6392011-08-12 Torvald Riegel <triegel@redhat.com>
640
641 * testsuite/libitm.c++/static_ctor.C: New file.
642
6432011-08-12 Torvald Riegel <triegel@redhat.com>
644
645 * testsuite/libitm.c/reentrant.c: New file.
646
6472011-08-12 Torvald Riegel <triegel@redhat.com>
648
649 * config/generic/tls.h: Remove the free list for transactions and ...
650 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
651 (GTM::gtm_transaction::operator delete): ... and release here.
652 (thread_exit_handler): New. Delete tx when thread terminates.
653 (thread_exit_init): New.
654 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
655 * testsuite/libitm.c/txrelease.c: New file.
656
6572011-08-12 Torvald Riegel <triegel@redhat.com>
658
659 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
660 * testsuite/libitm.c/notx.c: New file.
661
6622011-08-12 Torvald Riegel <triegel@redhat.com>
663
664 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
665 * libitm_i.h (local_tid): ... to here.
666 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
667 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
668
6692011-08-12 Torvald Riegel <triegel@redhat.com>
670
671 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
672 serialirr_onwrite_dispatch as new default for now.
673 * method-serial.cc (serialirr_onwrite_dispatch): New.
674 (GTM::dispatch_serialirr_onwrite): New.
675 * libitm_i.h: Same.
676
6772011-08-12 Torvald Riegel <triegel@redhat.com>
678
679 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
680 * query.cc (_ITM_getTransactionId): There is no active transaction if
681 the current nesting level is zero.
682
6832011-07-28 Torvald Riegel <triegel@redhat.com>
684
685 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
686 rollback.
687
6882011-07-28 Torvald Riegel <triegel@redhat.com>
689
690 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
691 transaction properties from the caller instead of from the
692 transaction object.
693 * libitm_i.h: Same.
694 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
695
6962011-07-28 Torvald Riegel <triegel@redhat.com>
697
698 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
699 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
700 * dispatch.h: Same.
701 * method-serial.cc: Same.
702 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
703 flat nesting as default, and closed nesting on demand.
704 (GTM::gtm_transaction::rollback): Same.
705 (_ITM_abortTransaction): Same.
706 (GTM::gtm_transaction::restart): Same.
707 (GTM::gtm_transaction::trycommit): Same.
708 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
709 (choose_code_path): New.
710 (GTM::gtm_transaction_cp::save): New.
711 (GTM::gtm_transaction_cp::commit): New.
712 * query.cc (_ITM_inTransaction): Support flat nesting.
713 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
714 (GTM::gtm_transaction): Support flat and closed nesting.
715 * alloc.cc (commit_allocations_2): New.
716 (commit_cb_data): New helper struct.
717 (GTM::gtm_transaction::commit_allocations): Handle nested
718 commits/rollbacks.
719 * libitm.texi: Update user action section, add description of nesting.
720
7212011-07-28 Torvald Riegel <triegel@redhat.com>
722
723 * libitm_i.h: Add closed nesting as restart reason.
724 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
725
7262011-07-28 Torvald Riegel <triegel@redhat.com>
727
728 * useraction.cc: Use vector instead of list to store actions.
729 Also support partial rollbacks for closed nesting.
730 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
731 * beginend.cc: Same.
732
7332011-07-28 Torvald Riegel <triegel@redhat.com>
734
735 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
736 closed_nesting flags, as well as a closed nesting alternative.
737 * method-serial.cc: Same.
738 (serial_dispatch): Renamed to serialirr_dispatch.
739 (GTM::dispatch_serialirr): Same.
740 (serial_dispatch_ul): Renamed to serial_dispatch.
741 (GTM::dispatch_serial): Same.
742
7432011-07-28 Torvald Riegel <triegel@redhat.com>
744
745 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
746
7472011-07-28 Torvald Riegel <triegel@redhat.com>
748
749 * aatree.h (aa_tree::remove): New.
750 (aa_tree::operator new): Add placement new.
751
7522011-07-02 Torvald Riegel <triegel@redhat.com>
753
754 * containers.h: New file.
755 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
756 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
757 * common.h: ... to here.
758 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
759 * local.cc: Same.
760
7612011-06-30 Torvald Riegel <triegel@redhat.com>
762
763 * libitm_i.h (STATE_ABORTING): Remove.
764 * beginend.cc (_ITM_abortTransaction): Same.
765 (GTM::gtm_transaction::trycommit_and_finalize): Same.
766 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
767 (_ITM_rollbackTransaction): Remove.
768 * beginend.cc: Same.
769 * libitm.map: Same.
770 * libitm.texi: Document these ABI changes.
771
7722011-06-30 Torvald Riegel <triegel@redhat.com>
773
774 * libitm.texi: New file.
775 * Makefile.am: Add libitm.texi.
776 * Makefile.in: Rebuild.
777
7782011-06-30 Torvald Riegel <triegel@redhat.com>
779
780 * libitm_i.h: Move parts to common.h and dispatch.h.
781 * common.h: New file.
782 * dispatch.h: New file, new dispatch class.
783 Rename GTM::abi_dispatch::lock_type to ls_modifier.
784 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
785 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
786 decision to retry.cc.
787 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
788 only.
789 (GTM::gtm_transaction::decide_begin_dispatch): Same.
790 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
791 logging.
792 * barrier.cc: Use new barriers definitions.
793 (abi_dispatch::memmove_overlap_check): New.
794 * config/x86/x86_sse.cc: Same.
795 * config/x86/x86_avx.cc: Same.
796 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
797 memcpy.cc.
798 * Makefile.in: Rebuild.
799 * method-readonly.cc: Remove.
800 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
801 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
802
8032011-06-30 Torvald Riegel <triegel@redhat.com>
804
805 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
806 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
807 * testsuite/libitm.c/dropref-2.c: Same.
808 * testsuite/libitm.c/dropref.c: Same.
809
8102011-06-30 Torvald Riegel <triegel@redhat.com>
811
812 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
813 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
814 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
815 * alloc_c.cc: Same.
816 * barrier.tpl: Same.
817 * beginend.c: Same.
818 * config/generic/tls.h: Same.
819 * config/x86/tls.h: Same.
820 * libitm_i.h: Same.
821 * memcpy.cc: Same.
822 * memset.cc: Same.
823 * method-readonly.cc: Same.
824 * method-serial.cc: Same.
825 * method-wbetl.cc: Same.
826 * retry.cc: Same.
827
8282011-03-03 Richard Henderson <rth@redhat.com>
829
830 * config/posix/rwlock.cc (write_upgrade): Add missing case.
831 From Patrik Marlier <patrick.marlier@unine.ch>.
832
8332011-02-03 Richard Henderson <rth@redhat.com>
834
835 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
836 * configure.ac: Use it.
837 * configure, config.h.in: Rebuild.
838 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
839 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
840 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
841 * libitm.map: Use wildcards to match size_t mangling.
842
8432010-12-14 Richard Henderson <rth@redhat.com>
844
845 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
846 blocks of TIDs per thread.
847 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
848 (setup_gtm_thr): Return the thread structure.
849 * config/x86/tls.h (setup_gtm_thr): Likewise.
850
8512010-12-14 Richard Henderson <rth@redhat.com>
852
853 * clone.cc (table_lock): Remove.
854 (find_clone): Don't take it.
855 (ExcludeTransaction): New helper class.
856 (_ITM_registerTMCloneTable): Use it.
857 (_ITM_deregisterTMCloneTable): Likewise.
858
8592010-12-14 Richard Henderson <rth@redhat.com>
860
861 * config/x86/tls.h: New file.
862
8632010-07-15 Richard Henderson <rth@redhat.com>
864
865 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
866 * Makefile.in: Rebuild.
867
8682010-07-13 Aldy Hernandez <aldyh@redhat.com>
869
870 * method-wbetl.cc (trydropreference): Fix source line.
871
8722010-07-13 Aldy Hernandez <aldyh@redhat.com>
873
874 * libitm.h: Add comment.
875 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
876
8772010-07-07 Aldy Hernandez <aldyh@redhat.com>
878
879 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
880 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
881 available, use pthread mutexes.
882 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
883 * config.h.in: Regenerate.
884 * configure: Regenerate.
885
8862010-07-06 Aldy Hernandez <aldyh@redhat.com>
887
888 * libitm.h (ITM_PURE): Define.
889 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
890
8912010-06-28 Aldy Hernandez <aldyh@redhat.com>
892
893 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
894 (validate): Add comment.
895 (trydropreference): New.
896 * method-readonly.cc (class readonly_dispatch): Add
897 trydropreference.
898 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
899 Call trydropreference().
900 * libitm.h (_ITM_dropReferences): Remove const attribute.
901 * method-serial.cc (class serial_dispatch): Add trydropreference.
902 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
903
9042010-06-28 Aldy Hernandez <aldyh@redhat.com>
905
906 * memcpy.cc (do_memcpy): Comment.
907
9082010-06-25 Aldy Hernandez <aldyh@redhat.com>
909
910 * barrier.tpl: Add comments throughout.
911
9122010-06-24 Aldy Hernandez <aldyh@redhat.com>
913
914 * method-wbetl.cc (struct w_entry): Add comments.
915 (trycommit): Same.
916 (rollback): Same.
917
9182010-06-24 Aldy Hernandez <aldyh@redhat.com>
919
920 * alloc_c.cc (_ITM_dropReferences): New.
921 * libitm.map (_ITM_dropReferences): Add.
922 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
923 * libitm_i.h (struct gtm_transaction): Declare
924 drop_references_allocations and drop_references_local.
925 * local.cc (rollback_local): Ignore memory when applicable.
926 (drop_references_local): New.
927
9282010-06-23 Richard Henderson <rth@redhat.com>
929
930 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
931 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
932 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
933 * config/alpha/target.h: Likewise.
934 * config/generic/tls.cc (gtm_mask_stack): Use it.
935
9362010-06-23 Richard Henderson <rth@redhat.com>
937
938 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
939 a mutex instead of trying a lock-free compare-and-swap on the list.
940 (gtm_cacheline_page::operator delete): Likewise.
941
9422010-06-16 Richard Henderson <rth@redhat.com>
943
944 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
945 that overlap the libitm stack.
946 * barrier.tpl: Mark incoming stack.
947 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
948 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
949 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
950 * memcpy.cc, memset.cc: Likewise.
951 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
952 * config/generic/tls.h (gtm_thread): Add stack_top member.
953 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
954 * libitm_i.h (gtm_mask_stack): Declare.
955 * config/generic/tls.cc: New file.
956 * Makefile.am (libitm_la_SOURCES): Add it.
957 (AM_CXXFLAGS): Turn off exceptions.
958 * Makefile.in: Rebuild.
959
9602010-06-16 Richard Henderson <rth@redhat.com>
961
962 * alloc.cc (struct gtm_alloc_action): Move definition ...
963 * libitm_i.h: ... here.
964 (class gtm_transaction): Declare new and delete.
965 * beginend.cc (alloc_tx): Reformulate as operator new.
966 (free_tx): Reformulate as operator delete.
967 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
968
9692010-06-11 Richard Henderson <rth@redhat.com>
970
971 * clone.cc (clone_entry_compare): Fix typo.
972 From Patrik Marlier <patrick.marlier@unine.ch>.
973
9742010-05-13 Richard Henderson <rth@redhat.com>
975
976 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
977 in extern "C".
978
9792010-05-07 Aldy Hernandez <aldyh@redhat.com>
980
981 * libitm_i.h (struct gtm_transaction): Remove
982 get_allocation_size.
983 (record_allocation): Remove size parameter.
984 * libitm.map (_ITM_realloc): Remove.
985 * alloc_c.cc (_ITM_realloc): Remove.
986 (_ITM_malloc): Remove size argument to record_allocation.
987 (_ITM_calloc): Same.
988 * alloc_cpp.cc (_ZGTtnwm): Same.
989 (_ZGTtnwmRKSt9nothrow_t): Same.
990 (_ZGTtnam): Same.
991 (_ZGTtnamRKSt9nothrow_t): Same.
992 * alloc.cc (struct gtm_alloc_action): Remove size.
993 (get_allocation_size): Remove.
994 (commit_allocations): Add comment.
995 (record_allocation): Remove size parameter.
996 (forget_allocation): Remove set of size.
997
9982010-04-19 Aldy Hernandez <aldyh@redhat.com>
999
1000 * Makefile.am (abi_version): New.
1001 (AM_CXXFLAGS): Pass abi_version.
1002 * Makefile.in: Regenerate.
1003 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1004
10052010-04-06 Aldy Hernandez <aldyh@redhat.com>
1006
1007 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1008 _ITM_getTMCloneOrIrrevokable.
1009 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1010 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1011
10122010-03-26 Aldy Hernandez <aldyh@redhat.com>
1013
1014 * configure.ac: Remove Linux futex support.
1015 * configure.tgt (config_path): Same.
1016 * Makefile.am: Same.
1017 * config/linux: Remove entire directory.
1018 * configure: Rebuild.
1019 * Makefile.in: Rebuild.
1020 * testsuite/Makefile.in: Rebuild.
1021
10222010-03-09 Aldy Hernandez <aldyh@redhat.com>
1023
1024 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1025 switching to serial mode.
1026 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1027
10282010-03-03 Aldy Hernandez <aldyh@redhat.com>
1029
1030 * configure.tgt: Add emacs -*- tags.
1031 * barrier.tpl: Same.
1032
10332010-02-23 Aldy Hernandez <aldyh@redhat.com>
1034
1035 * Makefile.am: Rename serial.cc to method-serial.cc.
1036 * Makefile.in: Regenerate with automake 1.11.1.
1037 * testsuite/Makefile.in: Same.
1038 * aclocal.m4: Regenerate with aclocal 1.11.1.
1039 * method-serial.cc: Rename from serial.cc.
1040 * libitm_i.h (struct gtm_transaction): Update comment on
1041 serialirr_mode.
1042
10432010-02-22 Aldy Hernandez <aldyh@redhat.com>
1044
1045 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1046 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1047
10482010-02-11 Aldy Hernandez <aldyh@redhat.com>
1049
1050 * configure: Rebuild.
1051
10522009-11-12 Richard Henderson <rth@redhat.com>
1053
1054 * Rewrite everything in C++.
1055
10562009-11-03 Richard Henderson <rth@redhat.com>
1057
1058 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1059 * Makefile.am (libitm_la_SOURCES): Add them.
1060 * configure.ac (ARCH_X86): New conditional.
1061 * Makefile.in, configure: Rebuild.
1062 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1063 Move futex setup into "other system configury" case.
1064 * local.c (rollback_local): Merge into ...
1065 (GTM_rollback_local): ... here.
1066 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1067 (_ITM_LB): Define as an alias to GTM_LB.
1068
10692009-11-03 Richard Henderson <rth@redhat.com>
1070
1071 * method-readonly.c: New file.
1072 * Makefile.am (libitm_la_SOURCES): Add it.
1073 * Makefile.in: Rebuild.
1074 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1075 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1076 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1077 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1078 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1079 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1080 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1081 gtm_get_clock, gtm_inc_clock): New.
1082 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1083 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1084 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1085 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1086 replace uses with new libitm_i.h symbols.
1087 (dispatch_wbetl): Rename from wbetl_dispatch.
1088 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1089 away from dispatch_readonly; abort if the beginTransaction call
1090 asserted that the transaction was readonly.
1091
10922009-11-03 Richard Henderson <rth@redhat.com>
1093
1094 * memset.c: New file.
1095 * Makefile.am (libitm_la_SOURCES): Add it.
1096 * Makefile.in: Rebuild.
1097 * testsuite/libitm.c/memset-1.c: New.
1098
10992009-11-03 Richard Henderson <rth@redhat.com>
1100
1101 * dispatch.c: Remove file.
1102 * useraction.c (struct gtm_user_action): Move from libitm.h.
1103 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1104 (serial_memset, serial_memmove, serial_memcpy): Remove.
1105 (serial_W*, serial_R*): Remove.
1106 (serial_dispatch): Update to match.
1107 * configure.ac: Move Werror down below configure checks. Don't
1108 check for sys/loadavg.h, do check for malloc.h. Don't check for
1109 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1110 Use GCC_AC_FUNC_MMAP_BLACKLIST
1111 * libitm.h: Split out all internal items to...
1112 * libitm_i.h: ... here. New file.
1113 * copymask.c: New file.
1114 * local.c (struct gtm_local_undo): Move from libitm.h.
1115 (GTM_alloc_local): Rename from alloc_local; export.
1116 * memcpy.c: New file.
1117 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1118 * config/posix/page.c: New file.
1119 * config/posix/target_tls.h: Remove file.
1120 * barrier.c: New file.
1121 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1122 copymask.c, page.c.
1123 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1124 * method-wbetl.c: Rewrite for new cacheline methods.
1125 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1126
1127 * config/alpha/sjlj.S: Fix typo.
1128 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1129 * config/alpha/copymask.c: New file.
1130 * config/alpha/target.h (CACHELINE_SIZE): New.
1131 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1132
1133 * config/x86/target_i.h: Copy functions from x86/target.h.
1134 * config/x86/copymask.c: New file.
1135 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1136 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1137 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1138 * config/x86/target_tls.h: Move contents to target_i.h.
1139
1140 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1141 * testsuite/libitm.c/memcpy-1.c: New.
1142
11432009-10-22 Richard Henderson <rth@redhat.com>
1144
1145 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1146 (AM_CCASFLAGS): New.
1147 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1148 saving/restoring _AC_ARG_VAR_PRECIOUS.
1149 * Makefile.in, aclocal.m4, config.h.in, configure,
1150 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1151
11522009-10-22 Richard Henderson <rth@redhat.com>
1153
1154 * testsuite/*: Update for new compiler syntax.
1155
11562009-10-21 Richard Henderson <rth@redhat.com>
1157
1158 * libitm.h (_ITM_abortReason): Add outerAbort.
1159
11602009-08-03 Richard Henderson <rth@redhat.com>
1161
1162 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1163 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1164 * method-wbetl.c (struct w_entry): Remove mask.
1165 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1166 adjust all callers.
1167
11682009-07-22 Richard Henderson <rth@redhat.com>
1169
1170 * eh_cpp.c: New file.
1171 * Makefile.am (libitm_la_SOURCES): Add it.
1172 * Makefile.in: Rebuild.
1173 * beginend.c (GTM_rollback_transaction): Undo exception state.
1174 (GTM_trycommit_transaction): Mark inline.
1175 (GTM_trycommit_and_finalize_transaction): Split out from ...
1176 (_ITM_commitTransaction): ... here.
1177 (_ITM_commitTransactionEH): New function.
1178 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1179 cxa_unthrown, eh_in_flight; reorder.
1180
1181 * testsuite/libitm.c++/c++.exp: New.
1182 * testsuite/libitm.c++/eh-1.C: New.
1183
1184 * aatree.c (aa_free): Remove REGPARM.
1185 * aatree.h: Remove all REGPARM.
1186
11872009-07-18 Richard Henderson <rth@redhat.com>
1188
1189 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1190 * Makefile.am (libitm_la_SOURCES): Add them.
1191 * Makefile.in: Rebuild.
1192 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1193 (GTM_trycommit_transaction): Likewise.
1194 * libitm.h: Include aatree.h
1195 (struct gtm_alloc_action): New.
1196 (struct gtm_transaction): Add alloc_actions.
1197 (GTM_record_allocation, GTM_forget_allocation): Declare.
1198 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1199 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1200 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1201 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1202 _ZGTtdaPvRKSt9nothrow_t): Export.
1203
12042009-07-18 Richard Henderson <rth@redhat.com>
1205
1206 * target_tls.h: Move ...
1207 * config/posix/target_tls.h: ... here.
1208
12092009-07-07 Richard Henderson <rth@redhat.com>
1210
1211 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1212
12132009-07-07 Richard Henderson <rth@redhat.com>
1214
1215 * Update to GPL3.
1216
12172009-07-07 Richard Henderson <rth@redhat.com>
1218
1219 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1220 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1221
1222 * configure.tgt: Don't use -ftls-model for x86 linux.
1223 * libitm.h: Include target.h after standard includes.
1224 (_gtm_thr): Rename from gtm_thr.
1225 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1226 (gtm_disp, set_gtm_disp): New.
1227 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1228 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1229 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1230
12312009-07-07 Richard Henderson <rth@redhat.com>
1232
1233 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1234
12352009-07-06 Richard Henderson <rth@redhat.com>
1236
1237 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1238 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1239 (_ITM_beginTransaction): Take variadic arguments.
1240 (_ITM_registerThrownObject): Declare.
1241 * beginend.c, serial.c: Update.
1242 * libitm.map: Add _ITM_registerThrownObject.
1243
12442009-01-28 Richard Henderson <rth@redhat.com>
1245
1246 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1247 * Makefile.in: Rebuild.
1248 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1249 (GTM_restart_transaction): Fix uninstrumented code check.
1250 * retry.c (GTM_decide_retry_strategy): Add serial check.
1251 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1252 automatically go irrevokable when in serial mode.
1253 * clone.c: New file.
1254 * libitm.h, libitm.map: Update.
1255
12562009-01-27 Richard Henderson <rth@redhat.com>
1257
1258 * Makefile.am (LTCCASCOMPILE): Define.
1259 (libitm_la_SOURCES): Add methid-wbetl.c.
1260 * testsuite/Makefile.am: New
1261 * configure.ac: Add testsuite/Makefile.
1262 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1263 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1264 (_ITM_abortTransaction): Finalize implementation method; pass
1265 transaction properties to longjmp.
1266 (GTM_restart_transaction): Split out from ...
1267 (_ITM_commitTransaction): ... here.
1268 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1269 Move to config/x86/target.h.
1270 * config/linux/alpha/futex_bits.h: New.
1271 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1272 * config/x86/target.h: Disable target types for 32-bit.
1273 * config/alpha/sjlj.S, config/alpha/target.h: New.
1274 * libitm.h (struct gtm_dispatch): Add init, fini.
1275 (enum restart_reason): New.
1276 (struct gtm_transaction): Add method and restarts.
1277 * retry.c (GTM_decide_retry_strategy): Implement.
1278 * serial.c (serial_init, serial_fini): New.
1279 (GTM_serialmode): Finialize outgoing method.
1280 * method-wbetl.c: New.
1281
12822008-12-09 Richard Henderson <rth@redhat.com>
1283
1284 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1285 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1286 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1287 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1288 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1289 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1290 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1291 * serial.c (serial_R##T, serial_W##T): Likewise.
1292
12932008-11-21 Richard Henderson <rth@redhat.com>
1294
1295 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git