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libitm: Don't add -mavx if the assembler doesn't support avx.
[thirdparty/gcc.git] / libitm / ChangeLog
CommitLineData
d4b17902
RH		 12011-11-10 Richard Henderson <rth@redhat.com>
2
3 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
4 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
5 * configure.ac (ARCH_X86_AVX): New conditional.
6 * Makefile.in, configure: Rebuild.
7
430616e7
RH		 82011-11-09 Richard Henderson <rth@redhat.com>
9
10 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
11 * configure.ac: Use it.
12 * config.h.in, configure: Rebuild.
13 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
14
79b1edb6
RH		 152011-11-09 Richard Henderson <rth@redhat.com>
16
17 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
18 * config/alpha/unaligned.h: Remove file.
19 * config/generic/unaligned.h: Remove file.
20 * config/x86/unaligned.h: Remove file.
21 * config/generic/cachepage.h: Remove file.
22 * config/posix/cachepage.cc: Remove file.
23 * config/generic/cacheline.cc: Remove file.
24 * config/x86/cacheline.cc: Remove file.
25 * config/generic/cacheline.h (gtm_cacheline): Remove the
26 store_mask, copy_mask, copy_mask_wb methods.
27 * config/x86/cacheline.h: Likewise.
28 * config/alpha/cacheline.h: Fall back to generic after setting size.
29 * config/generic/tls.cc (gtm_mask_stack): Remove.
30 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
31 (GTM_vpalignr_table): Remove.
32 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
33 (GTM_pshift_table): Remove.
34 * config/libitm_i.h: Don't include cachepage.h.
35 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
36 * Makefile.in, testsuite/Makefile.in: Rebuild.
37
4bdd090f
RH		 382011-11-09 Richard Henderson <rth@redhat.com>
39
8ee9fac2
RH		 40 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
41 to emit branch prediction hint.
42
9bdc6343
RH		 43 * config/x86/sjlj.S: Protect elf directives with __ELF__.
44 Protect .note.GNU-stack with __linux__.
45
4bdd090f
RH		 46 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
47 * configure, aclocal.m4, config.h.in: Rebuild.
48 * config/generic/asmcfi.h: New file.
49 * config/x86/sjlj.S: Use it.
50
4408b086
RH		 512011-11-08 Richard Henderson <rth@redhat.com>
52
53 * local.cc (_ITM_LB): Use a normal call, not a function alias.
54
01f3428c
RH		 552011-11-08 Richard Henderson <rth@redhat.com>
56
3d3b05ff
RH		 57 * configure.tgt: Test correct directory for supported cpus.
58
01f3428c
RH		 59 * configure.ac: Exit if unsupported.
60 * configure: Rebuild.
61 * configure.tgt: Delete boilerplate from libgomp for unsupported
62 targets. Set UNSUPPORTED for unsupported targets.
63
07f03cd3
RO		 642011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
65
66 * configure.tgt: Handle i386 like i[456]86.
67 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
68 take address.
69 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
70 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
71
0a35513e
AH		 722011-11-05 Aldy Hernandez <aldyh@redhat.com>
73
74 * method-wbetl.cc: Update copyright notice.
75 * aatree.cc: Same.
76 * util.cc: Same.
77 * libitm.h: Same.
78 * memset.cc: Same.
79 * eh_cpp.cc: Same.
80 * barrier.tpl: Same.
81 * useraction.cc: Same.
82 * stmlock.h: Same.
83 * memcpy.cc: Same.
84 * common.h: Same.
85 * config/generic/tls.cc: Same.
86 * config/generic/cacheline.h: Same.
87 * config/generic/cachepage.h: Same.
88 * config/generic/cacheline.cc: Same.
89 * config/generic/unaligned.h: Same.
90 * config/x86/cacheline.h: Same.
91 * config/x86/cacheline.cc: Same.
92 * config/x86/unaligned.h: Same.
93 * config/alpha/cacheline.h: Same.
94 * config/alpha/unaligned.h: Same.
95 * config/alpha/sjlj.S: Same.
96 * config/posix/cachepage.cc: Same.
97 * config/linux/futex.h: Same.
98 * config/linux/alpha/futex_bits.h: Same.
99
1002011-11-04 Torvald Riegel <triegel@redhat.com>
101
102 * libitm.texi: No cover text and invariant sections.
103
1042011-11-03 Richard Henderson <rth@redhat.com>
105
106 * local_type_traits: New file.
107 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
108
1092011-11-03 Richard Henderson <rth@redhat.com>
110
111 * configure.ac: Don't test for gfortran.
112 * configure: Rebuild.
113
114 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
115 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
116
1172011-11-03 Aldy Hernandez <aldyh@redhat.com>
118
119 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
120 * testsuite/libitm.c/memset-1.c: Same.
121 * testsuite/libitm.c/c.exp: Same.
122 * testsuite/lib/libitm-dg.exp: Same.
123 * testsuite/lib/libitm.exp: Same.
124 * testsuite/libitm.c++/c++.exp: Same.
125
1262011-11-03 Aldy Hernandez <aldyh@redhat.com>
127
128 * testsuite/config/default.exp: Update copyright date.
129 * configure.ac: Add copyright info.
130 * configure.tgt: Same.
131
1322011-11-03 Aldy Hernandez <aldyh@redhat.com>
133
134 * testsuite/libitm.c/reentrant.c: XFAIL.
135 * testsuite/libitm.c++/static_ctor.C: XFAIL.
136
1372011-10-29 Torvald Riegel <triegel@redhat.com>
138
139 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
140 handle aborts.
141 (_ITM_abortTransaction): Handle aborts of outer transactions.
142 * libitm_i.h: Same.
143 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
144 * libitm.texi: Document aborts of outer transactions.
145 * testsuite/libitm.c/cancel.c: New file.
146
1472011-10-19 Torvald Riegel <triegel@redhat.com>
148
149 * testsuite/*: Change __transaction to __transaction_atomic or
150 __transaction_relaxed.
151
1522011-10-19 Torvald Riegel <triegel@redhat.com>
153
154 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
155 (gtm_thr): Same.
156
1572011-10-19 Torvald Riegel <triegel@redhat.com>
158
159 * libitm_i.h: Add gl_wt dispatch.
160 * retry.cc (parse_default_method): Same.
161 * method-gl.cc: New file.
162 * Makefile.am: Use method-gl.cc.
163 * Makefile.in: Rebuild.
164
1652011-10-19 Torvald Riegel <triegel@redhat.com>
166
167 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
168 safety if requested by a TM method.
169 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
170 privatization safety.
171 * method-serial.cc: Same.
172
1732011-10-19 Torvald Riegel <triegel@redhat.com>
174
175 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
176 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
177 undolog-related member functions from *_local to *_undolog.
178 * local.cc (gtm_thread::commit_undolog): Same.
179 * beginend.cc (GTM::gtm_thread::trycommit): Same.
180 (GTM::gtm_thread::rollback): Roll back undolog before
181 dispatch-specific rollback.
182
1832011-10-19 Torvald Riegel <triegel@redhat.com>
184
185 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
186 re-initialization of the current method group.
187 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
188
1892011-10-19 Torvald Riegel <triegel@redhat.com>
190
191 * alloc.cc (commit_allocations_2): Do not free transaction-local
192 memory when committing a nested transaction.
193
1942011-10-19 Torvald Riegel <triegel@redhat.com>
195
196 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
197 serial-irrevocable dispatch, not serial.
198
1992011-10-19 Torvald Riegel <triegel@redhat.com>
200
201 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
202 declarations.
203 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
204 * method-serial.cc: Implement begin_or_restart().
205 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
206 dispatch-specific begin_or_restart().
207 (GTM::gtm_thread::restart): Same.
208
2092011-08-23 Torvald Riegel <triegel@redhat.com>
210
211 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
212 restarting without switching to serial mode.
213 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
214 transaction state. Choose closed-nesting alternative if available.
215 (GTM::gtm_thread::set_default_dispatch): New.
216 (parse_default_method): New.
217 (GTM::gtm_thread::number_of_threads_changed): New.
218 * method-serial.cc (GTM::serial_mg): New method group class.
219 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
220 fini.
221 (GTM::serial_dispatch): Same.
222 (GTM::serialirr_onwrite_dispatch): Same.
223 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
224 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
225 registered threads.
226 (GTM::gtm_thread::gtm_thread): Same.
227 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
228 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
229 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
230 choose dispatch but set state according to dispatch here.
231 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
232 (GTM::method_group): New class.
233 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
234 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
235 * libitm.texi: Document TM methods, method groups, method life cycle.
236 Rename method sets to method groups.
237
2382011-08-23 Torvald Riegel <triegel@redhat.com>
239
240 * config/x86/tls.h: Moved to ...
241 * config/linux/x86/tls.h: ... here.
242
2432011-08-23 Torvald Riegel <triegel@redhat.com>
244
245 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
246 Add X32 support.
247 * config/x86/sjlj.S: Same.
248
2492011-08-19 Torvald Riegel <triegel@redhat.com>
250
251 * config/linux/rwlock.h: New file.
252 * config/linux/rwlock.c: New file.
253 * configure.ac: Reenable futex support (undo SVN rev 157758).
254 * Makefile.am: Same.
255 * configure.tgt: Same.
256 * config/linux/alpha/futex_bits.h: Same.
257 * config/linux/futex.h: Same. Return number of woken processes.
258 * config/linux/futex.cc: Same.
259 (futex_wait): Remove spinning.
260 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
261 Use __x86_64__ instead of __LP64__.
262 * aclocal.m4: Include generic futex checks.
263 * configure: Rebuild.
264 * Makefile.in: Rebuild.
265 * testsuite/Makefile.in: Rebuild.
266 * beginend.cc: Include pthread.h.
267 * config/posix/cachepage.cc: Same.
268
2692011-08-12 Torvald Riegel <triegel@redhat.com>
270
271 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
272 (abi_disp, set_abi_disp): Move to tx's TLS slot.
273 (set_gtm_thr): New.
274 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
275 (set_gtm_thr): New.
276 (GTM::gtm_thread::thread_num): Removed.
277 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
278 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
279 tx-to-thread renaming.
280 * beginend.cc: Adapted to tx-to-thread renaming.
281 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
282 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
283 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
284 gtm_transaction to gtm_thread.
285 (_ITM_getThreadnum): Removed. Not supported anymore.
286 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
287 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
288 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
289 gtm_tx-to-gtm_thr renaming if necessary.
290 * eh_cpp.cc: Same.
291 * local.cc: Same.
292 * retry.cc: Same.
293 * clone.cc: Same.
294 * alloc.cc: Same.
295 * alloc_c.cc: Same.
296 * alloc_cpp.cc: Same.
297 * method-serial.cc: Same.
298 * config/generic/tls.cc: Same.
299 * config/posix/rwlock.h (gtm_rwlock): Same.
300 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
301
3022011-08-12 Torvald Riegel <triegel@redhat.com>
303
304 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
305 implementation.
306 (gtm_rwlock::read_unlock): Same.
307 (gtm_rwlock::write_lock_generic): New. Generalized from ...
308 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
309 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
310 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
311 w_upgrade. Replaced by per-transaction flags (in shared_state).
312 Added c_confirmed_writers.
313 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
314 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
315 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
316 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
317 * beginend.cc (GTM::gtm_transaction::begin_transaction,
318 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
319 * libitm.texi: Document locking conventions and implementations in
320 libitm.
321
3222011-08-12 Torvald Riegel <triegel@redhat.com>
323
324 * libitm_i.h (next_tx): Add list of all threads' transaction.
325 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
326 transaction with list of transactions and ...
327 (thread_exit_handler): ... deregister here.
328 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
329 * config/x86/target.h: Same.
330
3312011-08-12 Torvald Riegel <triegel@redhat.com>
332
333 * testsuite/libitm.c++/static_ctor.C: New file.
334
3352011-08-12 Torvald Riegel <triegel@redhat.com>
336
337 * testsuite/libitm.c/reentrant.c: New file.
338
3392011-08-12 Torvald Riegel <triegel@redhat.com>
340
341 * config/generic/tls.h: Remove the free list for transactions and ...
342 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
343 (GTM::gtm_transaction::operator delete): ... and release here.
344 (thread_exit_handler): New. Delete tx when thread terminates.
345 (thread_exit_init): New.
346 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
347 * testsuite/libitm.c/txrelease.c: New file.
348
3492011-08-12 Torvald Riegel <triegel@redhat.com>
350
351 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
352 * testsuite/libitm.c/notx.c: New file.
353
3542011-08-12 Torvald Riegel <triegel@redhat.com>
355
356 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
357 * libitm_i.h (local_tid): ... to here.
358 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
359 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
360
3612011-08-12 Torvald Riegel <triegel@redhat.com>
362
363 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
364 serialirr_onwrite_dispatch as new default for now.
365 * method-serial.cc (serialirr_onwrite_dispatch): New.
366 (GTM::dispatch_serialirr_onwrite): New.
367 * libitm_i.h: Same.
368
3692011-08-12 Torvald Riegel <triegel@redhat.com>
370
371 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
372 * query.cc (_ITM_getTransactionId): There is no active transaction if
373 the current nesting level is zero.
374
3752011-07-28 Torvald Riegel <triegel@redhat.com>
376
377 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
378 rollback.
379
3802011-07-28 Torvald Riegel <triegel@redhat.com>
381
382 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
383 transaction properties from the caller instead of from the
384 transaction object.
385 * libitm_i.h: Same.
386 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
387
3882011-07-28 Torvald Riegel <triegel@redhat.com>
389
390 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
391 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
392 * dispatch.h: Same.
393 * method-serial.cc: Same.
394 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
395 flat nesting as default, and closed nesting on demand.
396 (GTM::gtm_transaction::rollback): Same.
397 (_ITM_abortTransaction): Same.
398 (GTM::gtm_transaction::restart): Same.
399 (GTM::gtm_transaction::trycommit): Same.
400 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
401 (choose_code_path): New.
402 (GTM::gtm_transaction_cp::save): New.
403 (GTM::gtm_transaction_cp::commit): New.
404 * query.cc (_ITM_inTransaction): Support flat nesting.
405 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
406 (GTM::gtm_transaction): Support flat and closed nesting.
407 * alloc.cc (commit_allocations_2): New.
408 (commit_cb_data): New helper struct.
409 (GTM::gtm_transaction::commit_allocations): Handle nested
410 commits/rollbacks.
411 * libitm.texi: Update user action section, add description of nesting.
412
4132011-07-28 Torvald Riegel <triegel@redhat.com>
414
415 * libitm_i.h: Add closed nesting as restart reason.
416 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
417
4182011-07-28 Torvald Riegel <triegel@redhat.com>
419
420 * useraction.cc: Use vector instead of list to store actions.
421 Also support partial rollbacks for closed nesting.
422 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
423 * beginend.cc: Same.
424
4252011-07-28 Torvald Riegel <triegel@redhat.com>
426
427 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
428 closed_nesting flags, as well as a closed nesting alternative.
429 * method-serial.cc: Same.
430 (serial_dispatch): Renamed to serialirr_dispatch.
431 (GTM::dispatch_serialirr): Same.
432 (serial_dispatch_ul): Renamed to serial_dispatch.
433 (GTM::dispatch_serial): Same.
434
4352011-07-28 Torvald Riegel <triegel@redhat.com>
436
437 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
438
4392011-07-28 Torvald Riegel <triegel@redhat.com>
440
441 * aatree.h (aa_tree::remove): New.
442 (aa_tree::operator new): Add placement new.
443
4442011-07-02 Torvald Riegel <triegel@redhat.com>
445
446 * containers.h: New file.
447 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
448 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
449 * common.h: ... to here.
450 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
451 * local.cc: Same.
452
4532011-06-30 Torvald Riegel <triegel@redhat.com>
454
455 * libitm_i.h (STATE_ABORTING): Remove.
456 * beginend.cc (_ITM_abortTransaction): Same.
457 (GTM::gtm_transaction::trycommit_and_finalize): Same.
458 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
459 (_ITM_rollbackTransaction): Remove.
460 * beginend.cc: Same.
461 * libitm.map: Same.
462 * libitm.texi: Document these ABI changes.
463
4642011-06-30 Torvald Riegel <triegel@redhat.com>
465
466 * libitm.texi: New file.
467 * Makefile.am: Add libitm.texi.
468 * Makefile.in: Rebuild.
469
4702011-06-30 Torvald Riegel <triegel@redhat.com>
471
472 * libitm_i.h: Move parts to common.h and dispatch.h.
473 * common.h: New file.
474 * dispatch.h: New file, new dispatch class.
475 Rename GTM::abi_dispatch::lock_type to ls_modifier.
476 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
477 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
478 decision to retry.cc.
479 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
480 only.
481 (GTM::gtm_transaction::decide_begin_dispatch): Same.
482 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
483 logging.
484 * barrier.cc: Use new barriers definitions.
485 (abi_dispatch::memmove_overlap_check): New.
486 * config/x86/x86_sse.cc: Same.
487 * config/x86/x86_avx.cc: Same.
488 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
489 memcpy.cc.
490 * Makefile.in: Rebuild.
491 * method-readonly.cc: Remove.
492 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
493 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
494
4952011-06-30 Torvald Riegel <triegel@redhat.com>
496
497 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
498 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
499 * testsuite/libitm.c/dropref-2.c: Same.
500 * testsuite/libitm.c/dropref.c: Same.
501
5022011-06-30 Torvald Riegel <triegel@redhat.com>
503
504 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
505 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
506 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
507 * alloc_c.cc: Same.
508 * barrier.tpl: Same.
509 * beginend.c: Same.
510 * config/generic/tls.h: Same.
511 * config/x86/tls.h: Same.
512 * libitm_i.h: Same.
513 * memcpy.cc: Same.
514 * memset.cc: Same.
515 * method-readonly.cc: Same.
516 * method-serial.cc: Same.
517 * method-wbetl.cc: Same.
518 * retry.cc: Same.
519
5202011-03-03 Richard Henderson <rth@redhat.com>
521
522 * config/posix/rwlock.cc (write_upgrade): Add missing case.
523 From Patrik Marlier <patrick.marlier@unine.ch>.
524
5252011-02-03 Richard Henderson <rth@redhat.com>
526
527 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
528 * configure.ac: Use it.
529 * configure, config.h.in: Rebuild.
530 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
531 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
532 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
533 * libitm.map: Use wildcards to match size_t mangling.
534
5352010-12-14 Richard Henderson <rth@redhat.com>
536
537 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
538 blocks of TIDs per thread.
539 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
540 (setup_gtm_thr): Return the thread structure.
541 * config/x86/tls.h (setup_gtm_thr): Likewise.
542
5432010-12-14 Richard Henderson <rth@redhat.com>
544
545 * clone.cc (table_lock): Remove.
546 (find_clone): Don't take it.
547 (ExcludeTransaction): New helper class.
548 (_ITM_registerTMCloneTable): Use it.
549 (_ITM_deregisterTMCloneTable): Likewise.
550
5512010-12-14 Richard Henderson <rth@redhat.com>
552
553 * config/x86/tls.h: New file.
554
5552010-07-15 Richard Henderson <rth@redhat.com>
556
557 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
558 * Makefile.in: Rebuild.
559
5602010-07-13 Aldy Hernandez <aldyh@redhat.com>
561
562 * method-wbetl.cc (trydropreference): Fix source line.
563
5642010-07-13 Aldy Hernandez <aldyh@redhat.com>
565
566 * libitm.h: Add comment.
567 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
568
5692010-07-07 Aldy Hernandez <aldyh@redhat.com>
570
571 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
572 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
573 available, use pthread mutexes.
574 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
575 * config.h.in: Regenerate.
576 * configure: Regenerate.
577
5782010-07-06 Aldy Hernandez <aldyh@redhat.com>
579
580 * libitm.h (ITM_PURE): Define.
581 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
582
5832010-06-28 Aldy Hernandez <aldyh@redhat.com>
584
585 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
586 (validate): Add comment.
587 (trydropreference): New.
588 * method-readonly.cc (class readonly_dispatch): Add
589 trydropreference.
590 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
591 Call trydropreference().
592 * libitm.h (_ITM_dropReferences): Remove const attribute.
593 * method-serial.cc (class serial_dispatch): Add trydropreference.
594 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
595
5962010-06-28 Aldy Hernandez <aldyh@redhat.com>
597
598 * memcpy.cc (do_memcpy): Comment.
599
6002010-06-25 Aldy Hernandez <aldyh@redhat.com>
601
602 * barrier.tpl: Add comments throughout.
603
6042010-06-24 Aldy Hernandez <aldyh@redhat.com>
605
606 * method-wbetl.cc (struct w_entry): Add comments.
607 (trycommit): Same.
608 (rollback): Same.
609
6102010-06-24 Aldy Hernandez <aldyh@redhat.com>
611
612 * alloc_c.cc (_ITM_dropReferences): New.
613 * libitm.map (_ITM_dropReferences): Add.
614 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
615 * libitm_i.h (struct gtm_transaction): Declare
616 drop_references_allocations and drop_references_local.
617 * local.cc (rollback_local): Ignore memory when applicable.
618 (drop_references_local): New.
619
6202010-06-23 Richard Henderson <rth@redhat.com>
621
622 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
623 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
624 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
625 * config/alpha/target.h: Likewise.
626 * config/generic/tls.cc (gtm_mask_stack): Use it.
627
6282010-06-23 Richard Henderson <rth@redhat.com>
629
630 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
631 a mutex instead of trying a lock-free compare-and-swap on the list.
632 (gtm_cacheline_page::operator delete): Likewise.
633
6342010-06-16 Richard Henderson <rth@redhat.com>
635
636 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
637 that overlap the libitm stack.
638 * barrier.tpl: Mark incoming stack.
639 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
640 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
641 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
642 * memcpy.cc, memset.cc: Likewise.
643 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
644 * config/generic/tls.h (gtm_thread): Add stack_top member.
645 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
646 * libitm_i.h (gtm_mask_stack): Declare.
647 * config/generic/tls.cc: New file.
648 * Makefile.am (libitm_la_SOURCES): Add it.
649 (AM_CXXFLAGS): Turn off exceptions.
650 * Makefile.in: Rebuild.
651
6522010-06-16 Richard Henderson <rth@redhat.com>
653
654 * alloc.cc (struct gtm_alloc_action): Move definition ...
655 * libitm_i.h: ... here.
656 (class gtm_transaction): Declare new and delete.
657 * beginend.cc (alloc_tx): Reformulate as operator new.
658 (free_tx): Reformulate as operator delete.
659 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
660
6612010-06-11 Richard Henderson <rth@redhat.com>
662
663 * clone.cc (clone_entry_compare): Fix typo.
664 From Patrik Marlier <patrick.marlier@unine.ch>.
665
6662010-05-13 Richard Henderson <rth@redhat.com>
667
668 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
669 in extern "C".
670
6712010-05-07 Aldy Hernandez <aldyh@redhat.com>
672
673 * libitm_i.h (struct gtm_transaction): Remove
674 get_allocation_size.
675 (record_allocation): Remove size parameter.
676 * libitm.map (_ITM_realloc): Remove.
677 * alloc_c.cc (_ITM_realloc): Remove.
678 (_ITM_malloc): Remove size argument to record_allocation.
679 (_ITM_calloc): Same.
680 * alloc_cpp.cc (_ZGTtnwm): Same.
681 (_ZGTtnwmRKSt9nothrow_t): Same.
682 (_ZGTtnam): Same.
683 (_ZGTtnamRKSt9nothrow_t): Same.
684 * alloc.cc (struct gtm_alloc_action): Remove size.
685 (get_allocation_size): Remove.
686 (commit_allocations): Add comment.
687 (record_allocation): Remove size parameter.
688 (forget_allocation): Remove set of size.
689
6902010-04-19 Aldy Hernandez <aldyh@redhat.com>
691
692 * Makefile.am (abi_version): New.
693 (AM_CXXFLAGS): Pass abi_version.
694 * Makefile.in: Regenerate.
695 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
696
6972010-04-06 Aldy Hernandez <aldyh@redhat.com>
698
699 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
700 _ITM_getTMCloneOrIrrevokable.
701 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
702 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
703
7042010-03-26 Aldy Hernandez <aldyh@redhat.com>
705
706 * configure.ac: Remove Linux futex support.
707 * configure.tgt (config_path): Same.
708 * Makefile.am: Same.
709 * config/linux: Remove entire directory.
710 * configure: Rebuild.
711 * Makefile.in: Rebuild.
712 * testsuite/Makefile.in: Rebuild.
713
7142010-03-09 Aldy Hernandez <aldyh@redhat.com>
715
716 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
717 switching to serial mode.
718 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
719
7202010-03-03 Aldy Hernandez <aldyh@redhat.com>
721
722 * configure.tgt: Add emacs -*- tags.
723 * barrier.tpl: Same.
724
7252010-02-23 Aldy Hernandez <aldyh@redhat.com>
726
727 * Makefile.am: Rename serial.cc to method-serial.cc.
728 * Makefile.in: Regenerate with automake 1.11.1.
729 * testsuite/Makefile.in: Same.
730 * aclocal.m4: Regenerate with aclocal 1.11.1.
731 * method-serial.cc: Rename from serial.cc.
732 * libitm_i.h (struct gtm_transaction): Update comment on
733 serialirr_mode.
734
7352010-02-22 Aldy Hernandez <aldyh@redhat.com>
736
737 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
738 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
739
7402010-02-11 Aldy Hernandez <aldyh@redhat.com>
741
742 * configure: Rebuild.
743
7442009-11-12 Richard Henderson <rth@redhat.com>
745
746 * Rewrite everything in C++.
747
7482009-11-03 Richard Henderson <rth@redhat.com>
749
750 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
751 * Makefile.am (libitm_la_SOURCES): Add them.
752 * configure.ac (ARCH_X86): New conditional.
753 * Makefile.in, configure: Rebuild.
754 * configure.tgt: Set up ARCH; do cflags setup at the same time.
755 Move futex setup into "other system configury" case.
756 * local.c (rollback_local): Merge into ...
757 (GTM_rollback_local): ... here.
758 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
759 (_ITM_LB): Define as an alias to GTM_LB.
760
7612009-11-03 Richard Henderson <rth@redhat.com>
762
763 * method-readonly.c: New file.
764 * Makefile.am (libitm_la_SOURCES): Add it.
765 * Makefile.in: Rebuild.
766 * beginend.c (gtm_stmlock_array, gtm_clock): New.
767 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
768 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
769 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
770 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
771 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
772 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
773 gtm_get_clock, gtm_inc_clock): New.
774 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
775 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
776 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
777 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
778 replace uses with new libitm_i.h symbols.
779 (dispatch_wbetl): Rename from wbetl_dispatch.
780 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
781 away from dispatch_readonly; abort if the beginTransaction call
782 asserted that the transaction was readonly.
783
7842009-11-03 Richard Henderson <rth@redhat.com>
785
786 * memset.c: New file.
787 * Makefile.am (libitm_la_SOURCES): Add it.
788 * Makefile.in: Rebuild.
789 * testsuite/libitm.c/memset-1.c: New.
790
7912009-11-03 Richard Henderson <rth@redhat.com>
792
793 * dispatch.c: Remove file.
794 * useraction.c (struct gtm_user_action): Move from libitm.h.
795 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
796 (serial_memset, serial_memmove, serial_memcpy): Remove.
797 (serial_W*, serial_R*): Remove.
798 (serial_dispatch): Update to match.
799 * configure.ac: Move Werror down below configure checks. Don't
800 check for sys/loadavg.h, do check for malloc.h. Don't check for
801 getloadavg and clock_gettime; do check for memalign, posix_memalign.
802 Use GCC_AC_FUNC_MMAP_BLACKLIST
803 * libitm.h: Split out all internal items to...
804 * libitm_i.h: ... here. New file.
805 * copymask.c: New file.
806 * local.c (struct gtm_local_undo): Move from libitm.h.
807 (GTM_alloc_local): Rename from alloc_local; export.
808 * memcpy.c: New file.
809 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
810 * config/posix/page.c: New file.
811 * config/posix/target_tls.h: Remove file.
812 * barrier.c: New file.
813 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
814 copymask.c, page.c.
815 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
816 * method-wbetl.c: Rewrite for new cacheline methods.
817 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
818
819 * config/alpha/sjlj.S: Fix typo.
820 * config/alpha/target_i.h: Copy functions from alpha/target.h.
821 * config/alpha/copymask.c: New file.
822 * config/alpha/target.h (CACHELINE_SIZE): New.
823 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
824
825 * config/x86/target_i.h: Copy functions from x86/target.h.
826 * config/x86/copymask.c: New file.
827 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
828 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
829 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
830 * config/x86/target_tls.h: Move contents to target_i.h.
831
832 * testsuite/libitm.c/clone-1.c: Include libitm.h.
833 * testsuite/libitm.c/memcpy-1.c: New.
834
8352009-10-22 Richard Henderson <rth@redhat.com>
836
837 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
838 (AM_CCASFLAGS): New.
839 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
840 saving/restoring _AC_ARG_VAR_PRECIOUS.
841 * Makefile.in, aclocal.m4, config.h.in, configure,
842 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
843
8442009-10-22 Richard Henderson <rth@redhat.com>
845
846 * testsuite/*: Update for new compiler syntax.
847
8482009-10-21 Richard Henderson <rth@redhat.com>
849
850 * libitm.h (_ITM_abortReason): Add outerAbort.
851
8522009-08-03 Richard Henderson <rth@redhat.com>
853
854 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
855 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
856 * method-wbetl.c (struct w_entry): Remove mask.
857 (wbetl_write, wbetl_load): Return pointer to word containing the data;
858 adjust all callers.
859
8602009-07-22 Richard Henderson <rth@redhat.com>
861
862 * eh_cpp.c: New file.
863 * Makefile.am (libitm_la_SOURCES): Add it.
864 * Makefile.in: Rebuild.
865 * beginend.c (GTM_rollback_transaction): Undo exception state.
866 (GTM_trycommit_transaction): Mark inline.
867 (GTM_trycommit_and_finalize_transaction): Split out from ...
868 (_ITM_commitTransaction): ... here.
869 (_ITM_commitTransactionEH): New function.
870 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
871 cxa_unthrown, eh_in_flight; reorder.
872
873 * testsuite/libitm.c++/c++.exp: New.
874 * testsuite/libitm.c++/eh-1.C: New.
875
876 * aatree.c (aa_free): Remove REGPARM.
877 * aatree.h: Remove all REGPARM.
878
8792009-07-18 Richard Henderson <rth@redhat.com>
880
881 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
882 * Makefile.am (libitm_la_SOURCES): Add them.
883 * Makefile.in: Rebuild.
884 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
885 (GTM_trycommit_transaction): Likewise.
886 * libitm.h: Include aatree.h
887 (struct gtm_alloc_action): New.
888 (struct gtm_transaction): Add alloc_actions.
889 (GTM_record_allocation, GTM_forget_allocation): Declare.
890 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
891 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
892 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
893 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
894 _ZGTtdaPvRKSt9nothrow_t): Export.
895
8962009-07-18 Richard Henderson <rth@redhat.com>
897
898 * target_tls.h: Move ...
899 * config/posix/target_tls.h: ... here.
900
9012009-07-07 Richard Henderson <rth@redhat.com>
902
903 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
904
9052009-07-07 Richard Henderson <rth@redhat.com>
906
907 * Update to GPL3.
908
9092009-07-07 Richard Henderson <rth@redhat.com>
910
911 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
912 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
913
914 * configure.tgt: Don't use -ftls-model for x86 linux.
915 * libitm.h: Include target.h after standard includes.
916 (_gtm_thr): Rename from gtm_thr.
917 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
918 (gtm_disp, set_gtm_disp): New.
919 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
920 retry.c, serial.c, useraction.c: Use accessor functions throughout.
921 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
922
9232009-07-07 Richard Henderson <rth@redhat.com>
924
925 * config/linux/rwlock.c (EZ): New define. Use it throughout.
926
9272009-07-06 Richard Henderson <rth@redhat.com>
928
929 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
930 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
931 (_ITM_beginTransaction): Take variadic arguments.
932 (_ITM_registerThrownObject): Declare.
933 * beginend.c, serial.c: Update.
934 * libitm.map: Add _ITM_registerThrownObject.
935
9362009-01-28 Richard Henderson <rth@redhat.com>
937
938 * Makefile.am (libitm_la_SOURCES): Add clone.c.
939 * Makefile.in: Rebuild.
940 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
941 (GTM_restart_transaction): Fix uninstrumented code check.
942 * retry.c (GTM_decide_retry_strategy): Add serial check.
943 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
944 automatically go irrevokable when in serial mode.
945 * clone.c: New file.
946 * libitm.h, libitm.map: Update.
947
9482009-01-27 Richard Henderson <rth@redhat.com>
949
950 * Makefile.am (LTCCASCOMPILE): Define.
951 (libitm_la_SOURCES): Add methid-wbetl.c.
952 * testsuite/Makefile.am: New
953 * configure.ac: Add testsuite/Makefile.
954 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
955 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
956 (_ITM_abortTransaction): Finalize implementation method; pass
957 transaction properties to longjmp.
958 (GTM_restart_transaction): Split out from ...
959 (_ITM_commitTransaction): ... here.
960 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
961 Move to config/x86/target.h.
962 * config/linux/alpha/futex_bits.h: New.
963 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
964 * config/x86/target.h: Disable target types for 32-bit.
965 * config/alpha/sjlj.S, config/alpha/target.h: New.
966 * libitm.h (struct gtm_dispatch): Add init, fini.
967 (enum restart_reason): New.
968 (struct gtm_transaction): Add method and restarts.
969 * retry.c (GTM_decide_retry_strategy): Implement.
970 * serial.c (serial_init, serial_fini): New.
971 (GTM_serialmode): Finialize outgoing method.
972 * method-wbetl.c: New.
973
9742008-12-09 Richard Henderson <rth@redhat.com>
975
976 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
977 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
978 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
979 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
980 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
981 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
982 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
983 * serial.c (serial_R##T, serial_W##T): Likewise.
984
9852008-11-21 Richard Henderson <rth@redhat.com>
986
987 * Initial commit.
Mirror of https://gcc.gnu.org/git/gcc.git