1 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3 * config/generic/asmcfi.h: Fix comment.
4 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
5 sequence without .hidden support, error for non-ELF targets.
6 (GTM_longjmp) [__ELF__]: Only use .hidden if
7 HAVE_ATTRIBUTE_VISIBILITY.
9 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
11 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
12 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
14 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
15 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
17 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
20 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
21 * configure: Regenerate.
23 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
25 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
27 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
29 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
31 (.note.GNU-stack): Only use if __linux__.
32 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
33 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
34 * testsuite/libitm.c/reentrant.c: Likewise.
35 * testsuite/libitm.c/simple-2.c: Likewise.
36 * testsuite/libitm.c/txrelease.c: Likewise.
37 * testsuite/libitm.c++/static_ctor.C: Likewise.
39 2011-11-10 Richard Henderson <rth@redhat.com>
41 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
42 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
43 * configure.ac (ARCH_X86_AVX): New conditional.
44 * Makefile.in, configure: Rebuild.
46 2011-11-09 Richard Henderson <rth@redhat.com>
48 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
49 * configure.ac: Use it.
50 * config.h.in, configure: Rebuild.
51 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
53 2011-11-09 Richard Henderson <rth@redhat.com>
55 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
56 * config/alpha/unaligned.h: Remove file.
57 * config/generic/unaligned.h: Remove file.
58 * config/x86/unaligned.h: Remove file.
59 * config/generic/cachepage.h: Remove file.
60 * config/posix/cachepage.cc: Remove file.
61 * config/generic/cacheline.cc: Remove file.
62 * config/x86/cacheline.cc: Remove file.
63 * config/generic/cacheline.h (gtm_cacheline): Remove the
64 store_mask, copy_mask, copy_mask_wb methods.
65 * config/x86/cacheline.h: Likewise.
66 * config/alpha/cacheline.h: Fall back to generic after setting size.
67 * config/generic/tls.cc (gtm_mask_stack): Remove.
68 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
69 (GTM_vpalignr_table): Remove.
70 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
71 (GTM_pshift_table): Remove.
72 * config/libitm_i.h: Don't include cachepage.h.
73 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
74 * Makefile.in, testsuite/Makefile.in: Rebuild.
76 2011-11-09 Richard Henderson <rth@redhat.com>
78 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
79 to emit branch prediction hint.
81 * config/x86/sjlj.S: Protect elf directives with __ELF__.
82 Protect .note.GNU-stack with __linux__.
84 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
85 * configure, aclocal.m4, config.h.in: Rebuild.
86 * config/generic/asmcfi.h: New file.
87 * config/x86/sjlj.S: Use it.
89 2011-11-08 Richard Henderson <rth@redhat.com>
91 * local.cc (_ITM_LB): Use a normal call, not a function alias.
93 2011-11-08 Richard Henderson <rth@redhat.com>
95 * configure.tgt: Test correct directory for supported cpus.
97 * configure.ac: Exit if unsupported.
99 * configure.tgt: Delete boilerplate from libgomp for unsupported
100 targets. Set UNSUPPORTED for unsupported targets.
102 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
104 * configure.tgt: Handle i386 like i[456]86.
105 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
107 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
108 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
110 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
112 * method-wbetl.cc: Update copyright notice.
119 * useraction.cc: Same.
123 * config/generic/tls.cc: Same.
124 * config/generic/cacheline.h: Same.
125 * config/generic/cachepage.h: Same.
126 * config/generic/cacheline.cc: Same.
127 * config/generic/unaligned.h: Same.
128 * config/x86/cacheline.h: Same.
129 * config/x86/cacheline.cc: Same.
130 * config/x86/unaligned.h: Same.
131 * config/alpha/cacheline.h: Same.
132 * config/alpha/unaligned.h: Same.
133 * config/alpha/sjlj.S: Same.
134 * config/posix/cachepage.cc: Same.
135 * config/linux/futex.h: Same.
136 * config/linux/alpha/futex_bits.h: Same.
138 2011-11-04 Torvald Riegel <triegel@redhat.com>
140 * libitm.texi: No cover text and invariant sections.
142 2011-11-03 Richard Henderson <rth@redhat.com>
144 * local_type_traits: New file.
145 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
147 2011-11-03 Richard Henderson <rth@redhat.com>
149 * configure.ac: Don't test for gfortran.
150 * configure: Rebuild.
152 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
153 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
155 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
157 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
158 * testsuite/libitm.c/memset-1.c: Same.
159 * testsuite/libitm.c/c.exp: Same.
160 * testsuite/lib/libitm-dg.exp: Same.
161 * testsuite/lib/libitm.exp: Same.
162 * testsuite/libitm.c++/c++.exp: Same.
164 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
166 * testsuite/config/default.exp: Update copyright date.
167 * configure.ac: Add copyright info.
168 * configure.tgt: Same.
170 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
172 * testsuite/libitm.c/reentrant.c: XFAIL.
173 * testsuite/libitm.c++/static_ctor.C: XFAIL.
175 2011-10-29 Torvald Riegel <triegel@redhat.com>
177 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
179 (_ITM_abortTransaction): Handle aborts of outer transactions.
181 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
182 * libitm.texi: Document aborts of outer transactions.
183 * testsuite/libitm.c/cancel.c: New file.
185 2011-10-19 Torvald Riegel <triegel@redhat.com>
187 * testsuite/*: Change __transaction to __transaction_atomic or
188 __transaction_relaxed.
190 2011-10-19 Torvald Riegel <triegel@redhat.com>
192 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
195 2011-10-19 Torvald Riegel <triegel@redhat.com>
197 * libitm_i.h: Add gl_wt dispatch.
198 * retry.cc (parse_default_method): Same.
199 * method-gl.cc: New file.
200 * Makefile.am: Use method-gl.cc.
201 * Makefile.in: Rebuild.
203 2011-10-19 Torvald Riegel <triegel@redhat.com>
205 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
206 safety if requested by a TM method.
207 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
208 privatization safety.
209 * method-serial.cc: Same.
211 2011-10-19 Torvald Riegel <triegel@redhat.com>
213 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
214 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
215 undolog-related member functions from *_local to *_undolog.
216 * local.cc (gtm_thread::commit_undolog): Same.
217 * beginend.cc (GTM::gtm_thread::trycommit): Same.
218 (GTM::gtm_thread::rollback): Roll back undolog before
219 dispatch-specific rollback.
221 2011-10-19 Torvald Riegel <triegel@redhat.com>
223 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
224 re-initialization of the current method group.
225 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
227 2011-10-19 Torvald Riegel <triegel@redhat.com>
229 * alloc.cc (commit_allocations_2): Do not free transaction-local
230 memory when committing a nested transaction.
232 2011-10-19 Torvald Riegel <triegel@redhat.com>
234 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
235 serial-irrevocable dispatch, not serial.
237 2011-10-19 Torvald Riegel <triegel@redhat.com>
239 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
241 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
242 * method-serial.cc: Implement begin_or_restart().
243 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
244 dispatch-specific begin_or_restart().
245 (GTM::gtm_thread::restart): Same.
247 2011-08-23 Torvald Riegel <triegel@redhat.com>
249 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
250 restarting without switching to serial mode.
251 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
252 transaction state. Choose closed-nesting alternative if available.
253 (GTM::gtm_thread::set_default_dispatch): New.
254 (parse_default_method): New.
255 (GTM::gtm_thread::number_of_threads_changed): New.
256 * method-serial.cc (GTM::serial_mg): New method group class.
257 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
259 (GTM::serial_dispatch): Same.
260 (GTM::serialirr_onwrite_dispatch): Same.
261 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
262 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
264 (GTM::gtm_thread::gtm_thread): Same.
265 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
266 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
267 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
268 choose dispatch but set state according to dispatch here.
269 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
270 (GTM::method_group): New class.
271 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
272 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
273 * libitm.texi: Document TM methods, method groups, method life cycle.
274 Rename method sets to method groups.
276 2011-08-23 Torvald Riegel <triegel@redhat.com>
278 * config/x86/tls.h: Moved to ...
279 * config/linux/x86/tls.h: ... here.
281 2011-08-23 Torvald Riegel <triegel@redhat.com>
283 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
285 * config/x86/sjlj.S: Same.
287 2011-08-19 Torvald Riegel <triegel@redhat.com>
289 * config/linux/rwlock.h: New file.
290 * config/linux/rwlock.c: New file.
291 * configure.ac: Reenable futex support (undo SVN rev 157758).
293 * configure.tgt: Same.
294 * config/linux/alpha/futex_bits.h: Same.
295 * config/linux/futex.h: Same. Return number of woken processes.
296 * config/linux/futex.cc: Same.
297 (futex_wait): Remove spinning.
298 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
299 Use __x86_64__ instead of __LP64__.
300 * aclocal.m4: Include generic futex checks.
301 * configure: Rebuild.
302 * Makefile.in: Rebuild.
303 * testsuite/Makefile.in: Rebuild.
304 * beginend.cc: Include pthread.h.
305 * config/posix/cachepage.cc: Same.
307 2011-08-12 Torvald Riegel <triegel@redhat.com>
309 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
310 (abi_disp, set_abi_disp): Move to tx's TLS slot.
312 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
314 (GTM::gtm_thread::thread_num): Removed.
315 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
316 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
317 tx-to-thread renaming.
318 * beginend.cc: Adapted to tx-to-thread renaming.
319 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
320 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
321 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
322 gtm_transaction to gtm_thread.
323 (_ITM_getThreadnum): Removed. Not supported anymore.
324 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
325 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
326 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
327 gtm_tx-to-gtm_thr renaming if necessary.
334 * alloc_cpp.cc: Same.
335 * method-serial.cc: Same.
336 * config/generic/tls.cc: Same.
337 * config/posix/rwlock.h (gtm_rwlock): Same.
338 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
340 2011-08-12 Torvald Riegel <triegel@redhat.com>
342 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
344 (gtm_rwlock::read_unlock): Same.
345 (gtm_rwlock::write_lock_generic): New. Generalized from ...
346 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
347 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
348 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
349 w_upgrade. Replaced by per-transaction flags (in shared_state).
350 Added c_confirmed_writers.
351 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
352 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
353 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
354 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
355 * beginend.cc (GTM::gtm_transaction::begin_transaction,
356 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
357 * libitm.texi: Document locking conventions and implementations in
360 2011-08-12 Torvald Riegel <triegel@redhat.com>
362 * libitm_i.h (next_tx): Add list of all threads' transaction.
363 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
364 transaction with list of transactions and ...
365 (thread_exit_handler): ... deregister here.
366 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
367 * config/x86/target.h: Same.
369 2011-08-12 Torvald Riegel <triegel@redhat.com>
371 * testsuite/libitm.c++/static_ctor.C: New file.
373 2011-08-12 Torvald Riegel <triegel@redhat.com>
375 * testsuite/libitm.c/reentrant.c: New file.
377 2011-08-12 Torvald Riegel <triegel@redhat.com>
379 * config/generic/tls.h: Remove the free list for transactions and ...
380 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
381 (GTM::gtm_transaction::operator delete): ... and release here.
382 (thread_exit_handler): New. Delete tx when thread terminates.
383 (thread_exit_init): New.
384 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
385 * testsuite/libitm.c/txrelease.c: New file.
387 2011-08-12 Torvald Riegel <triegel@redhat.com>
389 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
390 * testsuite/libitm.c/notx.c: New file.
392 2011-08-12 Torvald Riegel <triegel@redhat.com>
394 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
395 * libitm_i.h (local_tid): ... to here.
396 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
397 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
399 2011-08-12 Torvald Riegel <triegel@redhat.com>
401 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
402 serialirr_onwrite_dispatch as new default for now.
403 * method-serial.cc (serialirr_onwrite_dispatch): New.
404 (GTM::dispatch_serialirr_onwrite): New.
407 2011-08-12 Torvald Riegel <triegel@redhat.com>
409 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
410 * query.cc (_ITM_getTransactionId): There is no active transaction if
411 the current nesting level is zero.
413 2011-07-28 Torvald Riegel <triegel@redhat.com>
415 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
418 2011-07-28 Torvald Riegel <triegel@redhat.com>
420 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
421 transaction properties from the caller instead of from the
424 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
426 2011-07-28 Torvald Riegel <triegel@redhat.com>
428 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
429 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
431 * method-serial.cc: Same.
432 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
433 flat nesting as default, and closed nesting on demand.
434 (GTM::gtm_transaction::rollback): Same.
435 (_ITM_abortTransaction): Same.
436 (GTM::gtm_transaction::restart): Same.
437 (GTM::gtm_transaction::trycommit): Same.
438 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
439 (choose_code_path): New.
440 (GTM::gtm_transaction_cp::save): New.
441 (GTM::gtm_transaction_cp::commit): New.
442 * query.cc (_ITM_inTransaction): Support flat nesting.
443 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
444 (GTM::gtm_transaction): Support flat and closed nesting.
445 * alloc.cc (commit_allocations_2): New.
446 (commit_cb_data): New helper struct.
447 (GTM::gtm_transaction::commit_allocations): Handle nested
449 * libitm.texi: Update user action section, add description of nesting.
451 2011-07-28 Torvald Riegel <triegel@redhat.com>
453 * libitm_i.h: Add closed nesting as restart reason.
454 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
456 2011-07-28 Torvald Riegel <triegel@redhat.com>
458 * useraction.cc: Use vector instead of list to store actions.
459 Also support partial rollbacks for closed nesting.
460 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
463 2011-07-28 Torvald Riegel <triegel@redhat.com>
465 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
466 closed_nesting flags, as well as a closed nesting alternative.
467 * method-serial.cc: Same.
468 (serial_dispatch): Renamed to serialirr_dispatch.
469 (GTM::dispatch_serialirr): Same.
470 (serial_dispatch_ul): Renamed to serial_dispatch.
471 (GTM::dispatch_serial): Same.
473 2011-07-28 Torvald Riegel <triegel@redhat.com>
475 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
477 2011-07-28 Torvald Riegel <triegel@redhat.com>
479 * aatree.h (aa_tree::remove): New.
480 (aa_tree::operator new): Add placement new.
482 2011-07-02 Torvald Riegel <triegel@redhat.com>
484 * containers.h: New file.
485 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
486 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
487 * common.h: ... to here.
488 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
491 2011-06-30 Torvald Riegel <triegel@redhat.com>
493 * libitm_i.h (STATE_ABORTING): Remove.
494 * beginend.cc (_ITM_abortTransaction): Same.
495 (GTM::gtm_transaction::trycommit_and_finalize): Same.
496 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
497 (_ITM_rollbackTransaction): Remove.
500 * libitm.texi: Document these ABI changes.
502 2011-06-30 Torvald Riegel <triegel@redhat.com>
504 * libitm.texi: New file.
505 * Makefile.am: Add libitm.texi.
506 * Makefile.in: Rebuild.
508 2011-06-30 Torvald Riegel <triegel@redhat.com>
510 * libitm_i.h: Move parts to common.h and dispatch.h.
511 * common.h: New file.
512 * dispatch.h: New file, new dispatch class.
513 Rename GTM::abi_dispatch::lock_type to ls_modifier.
514 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
515 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
516 decision to retry.cc.
517 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
519 (GTM::gtm_transaction::decide_begin_dispatch): Same.
520 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
522 * barrier.cc: Use new barriers definitions.
523 (abi_dispatch::memmove_overlap_check): New.
524 * config/x86/x86_sse.cc: Same.
525 * config/x86/x86_avx.cc: Same.
526 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
528 * Makefile.in: Rebuild.
529 * method-readonly.cc: Remove.
530 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
531 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
533 2011-06-30 Torvald Riegel <triegel@redhat.com>
535 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
536 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
537 * testsuite/libitm.c/dropref-2.c: Same.
538 * testsuite/libitm.c/dropref.c: Same.
540 2011-06-30 Torvald Riegel <triegel@redhat.com>
542 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
543 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
544 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
548 * config/generic/tls.h: Same.
549 * config/x86/tls.h: Same.
553 * method-readonly.cc: Same.
554 * method-serial.cc: Same.
555 * method-wbetl.cc: Same.
558 2011-03-03 Richard Henderson <rth@redhat.com>
560 * config/posix/rwlock.cc (write_upgrade): Add missing case.
561 From Patrik Marlier <patrick.marlier@unine.ch>.
563 2011-02-03 Richard Henderson <rth@redhat.com>
565 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
566 * configure.ac: Use it.
567 * configure, config.h.in: Rebuild.
568 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
569 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
570 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
571 * libitm.map: Use wildcards to match size_t mangling.
573 2010-12-14 Richard Henderson <rth@redhat.com>
575 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
576 blocks of TIDs per thread.
577 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
578 (setup_gtm_thr): Return the thread structure.
579 * config/x86/tls.h (setup_gtm_thr): Likewise.
581 2010-12-14 Richard Henderson <rth@redhat.com>
583 * clone.cc (table_lock): Remove.
584 (find_clone): Don't take it.
585 (ExcludeTransaction): New helper class.
586 (_ITM_registerTMCloneTable): Use it.
587 (_ITM_deregisterTMCloneTable): Likewise.
589 2010-12-14 Richard Henderson <rth@redhat.com>
591 * config/x86/tls.h: New file.
593 2010-07-15 Richard Henderson <rth@redhat.com>
595 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
596 * Makefile.in: Rebuild.
598 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
600 * method-wbetl.cc (trydropreference): Fix source line.
602 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
604 * libitm.h: Add comment.
605 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
607 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
609 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
610 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
611 available, use pthread mutexes.
612 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
613 * config.h.in: Regenerate.
614 * configure: Regenerate.
616 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
618 * libitm.h (ITM_PURE): Define.
619 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
621 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
623 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
624 (validate): Add comment.
625 (trydropreference): New.
626 * method-readonly.cc (class readonly_dispatch): Add
628 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
629 Call trydropreference().
630 * libitm.h (_ITM_dropReferences): Remove const attribute.
631 * method-serial.cc (class serial_dispatch): Add trydropreference.
632 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
634 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
636 * memcpy.cc (do_memcpy): Comment.
638 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
640 * barrier.tpl: Add comments throughout.
642 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
644 * method-wbetl.cc (struct w_entry): Add comments.
648 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
650 * alloc_c.cc (_ITM_dropReferences): New.
651 * libitm.map (_ITM_dropReferences): Add.
652 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
653 * libitm_i.h (struct gtm_transaction): Declare
654 drop_references_allocations and drop_references_local.
655 * local.cc (rollback_local): Ignore memory when applicable.
656 (drop_references_local): New.
658 2010-06-23 Richard Henderson <rth@redhat.com>
660 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
661 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
662 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
663 * config/alpha/target.h: Likewise.
664 * config/generic/tls.cc (gtm_mask_stack): Use it.
666 2010-06-23 Richard Henderson <rth@redhat.com>
668 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
669 a mutex instead of trying a lock-free compare-and-swap on the list.
670 (gtm_cacheline_page::operator delete): Likewise.
672 2010-06-16 Richard Henderson <rth@redhat.com>
674 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
675 that overlap the libitm stack.
676 * barrier.tpl: Mark incoming stack.
677 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
678 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
679 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
680 * memcpy.cc, memset.cc: Likewise.
681 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
682 * config/generic/tls.h (gtm_thread): Add stack_top member.
683 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
684 * libitm_i.h (gtm_mask_stack): Declare.
685 * config/generic/tls.cc: New file.
686 * Makefile.am (libitm_la_SOURCES): Add it.
687 (AM_CXXFLAGS): Turn off exceptions.
688 * Makefile.in: Rebuild.
690 2010-06-16 Richard Henderson <rth@redhat.com>
692 * alloc.cc (struct gtm_alloc_action): Move definition ...
693 * libitm_i.h: ... here.
694 (class gtm_transaction): Declare new and delete.
695 * beginend.cc (alloc_tx): Reformulate as operator new.
696 (free_tx): Reformulate as operator delete.
697 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
699 2010-06-11 Richard Henderson <rth@redhat.com>
701 * clone.cc (clone_entry_compare): Fix typo.
702 From Patrik Marlier <patrick.marlier@unine.ch>.
704 2010-05-13 Richard Henderson <rth@redhat.com>
706 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
709 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
711 * libitm_i.h (struct gtm_transaction): Remove
713 (record_allocation): Remove size parameter.
714 * libitm.map (_ITM_realloc): Remove.
715 * alloc_c.cc (_ITM_realloc): Remove.
716 (_ITM_malloc): Remove size argument to record_allocation.
718 * alloc_cpp.cc (_ZGTtnwm): Same.
719 (_ZGTtnwmRKSt9nothrow_t): Same.
721 (_ZGTtnamRKSt9nothrow_t): Same.
722 * alloc.cc (struct gtm_alloc_action): Remove size.
723 (get_allocation_size): Remove.
724 (commit_allocations): Add comment.
725 (record_allocation): Remove size parameter.
726 (forget_allocation): Remove set of size.
728 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
730 * Makefile.am (abi_version): New.
731 (AM_CXXFLAGS): Pass abi_version.
732 * Makefile.in: Regenerate.
733 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
735 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
737 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
738 _ITM_getTMCloneOrIrrevokable.
739 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
740 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
742 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
744 * configure.ac: Remove Linux futex support.
745 * configure.tgt (config_path): Same.
747 * config/linux: Remove entire directory.
748 * configure: Rebuild.
749 * Makefile.in: Rebuild.
750 * testsuite/Makefile.in: Rebuild.
752 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
754 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
755 switching to serial mode.
756 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
758 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
760 * configure.tgt: Add emacs -*- tags.
763 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
765 * Makefile.am: Rename serial.cc to method-serial.cc.
766 * Makefile.in: Regenerate with automake 1.11.1.
767 * testsuite/Makefile.in: Same.
768 * aclocal.m4: Regenerate with aclocal 1.11.1.
769 * method-serial.cc: Rename from serial.cc.
770 * libitm_i.h (struct gtm_transaction): Update comment on
773 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
775 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
776 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
778 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
780 * configure: Rebuild.
782 2009-11-12 Richard Henderson <rth@redhat.com>
784 * Rewrite everything in C++.
786 2009-11-03 Richard Henderson <rth@redhat.com>
788 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
789 * Makefile.am (libitm_la_SOURCES): Add them.
790 * configure.ac (ARCH_X86): New conditional.
791 * Makefile.in, configure: Rebuild.
792 * configure.tgt: Set up ARCH; do cflags setup at the same time.
793 Move futex setup into "other system configury" case.
794 * local.c (rollback_local): Merge into ...
795 (GTM_rollback_local): ... here.
796 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
797 (_ITM_LB): Define as an alias to GTM_LB.
799 2009-11-03 Richard Henderson <rth@redhat.com>
801 * method-readonly.c: New file.
802 * Makefile.am (libitm_la_SOURCES): Add it.
803 * Makefile.in: Rebuild.
804 * beginend.c (gtm_stmlock_array, gtm_clock): New.
805 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
806 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
807 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
808 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
809 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
810 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
811 gtm_get_clock, gtm_inc_clock): New.
812 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
813 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
814 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
815 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
816 replace uses with new libitm_i.h symbols.
817 (dispatch_wbetl): Rename from wbetl_dispatch.
818 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
819 away from dispatch_readonly; abort if the beginTransaction call
820 asserted that the transaction was readonly.
822 2009-11-03 Richard Henderson <rth@redhat.com>
824 * memset.c: New file.
825 * Makefile.am (libitm_la_SOURCES): Add it.
826 * Makefile.in: Rebuild.
827 * testsuite/libitm.c/memset-1.c: New.
829 2009-11-03 Richard Henderson <rth@redhat.com>
831 * dispatch.c: Remove file.
832 * useraction.c (struct gtm_user_action): Move from libitm.h.
833 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
834 (serial_memset, serial_memmove, serial_memcpy): Remove.
835 (serial_W*, serial_R*): Remove.
836 (serial_dispatch): Update to match.
837 * configure.ac: Move Werror down below configure checks. Don't
838 check for sys/loadavg.h, do check for malloc.h. Don't check for
839 getloadavg and clock_gettime; do check for memalign, posix_memalign.
840 Use GCC_AC_FUNC_MMAP_BLACKLIST
841 * libitm.h: Split out all internal items to...
842 * libitm_i.h: ... here. New file.
843 * copymask.c: New file.
844 * local.c (struct gtm_local_undo): Move from libitm.h.
845 (GTM_alloc_local): Rename from alloc_local; export.
846 * memcpy.c: New file.
847 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
848 * config/posix/page.c: New file.
849 * config/posix/target_tls.h: Remove file.
850 * barrier.c: New file.
851 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
853 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
854 * method-wbetl.c: Rewrite for new cacheline methods.
855 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
857 * config/alpha/sjlj.S: Fix typo.
858 * config/alpha/target_i.h: Copy functions from alpha/target.h.
859 * config/alpha/copymask.c: New file.
860 * config/alpha/target.h (CACHELINE_SIZE): New.
861 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
863 * config/x86/target_i.h: Copy functions from x86/target.h.
864 * config/x86/copymask.c: New file.
865 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
866 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
867 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
868 * config/x86/target_tls.h: Move contents to target_i.h.
870 * testsuite/libitm.c/clone-1.c: Include libitm.h.
871 * testsuite/libitm.c/memcpy-1.c: New.
873 2009-10-22 Richard Henderson <rth@redhat.com>
875 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
877 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
878 saving/restoring _AC_ARG_VAR_PRECIOUS.
879 * Makefile.in, aclocal.m4, config.h.in, configure,
880 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
882 2009-10-22 Richard Henderson <rth@redhat.com>
884 * testsuite/*: Update for new compiler syntax.
886 2009-10-21 Richard Henderson <rth@redhat.com>
888 * libitm.h (_ITM_abortReason): Add outerAbort.
890 2009-08-03 Richard Henderson <rth@redhat.com>
892 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
893 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
894 * method-wbetl.c (struct w_entry): Remove mask.
895 (wbetl_write, wbetl_load): Return pointer to word containing the data;
898 2009-07-22 Richard Henderson <rth@redhat.com>
900 * eh_cpp.c: New file.
901 * Makefile.am (libitm_la_SOURCES): Add it.
902 * Makefile.in: Rebuild.
903 * beginend.c (GTM_rollback_transaction): Undo exception state.
904 (GTM_trycommit_transaction): Mark inline.
905 (GTM_trycommit_and_finalize_transaction): Split out from ...
906 (_ITM_commitTransaction): ... here.
907 (_ITM_commitTransactionEH): New function.
908 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
909 cxa_unthrown, eh_in_flight; reorder.
911 * testsuite/libitm.c++/c++.exp: New.
912 * testsuite/libitm.c++/eh-1.C: New.
914 * aatree.c (aa_free): Remove REGPARM.
915 * aatree.h: Remove all REGPARM.
917 2009-07-18 Richard Henderson <rth@redhat.com>
919 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
920 * Makefile.am (libitm_la_SOURCES): Add them.
921 * Makefile.in: Rebuild.
922 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
923 (GTM_trycommit_transaction): Likewise.
924 * libitm.h: Include aatree.h
925 (struct gtm_alloc_action): New.
926 (struct gtm_transaction): Add alloc_actions.
927 (GTM_record_allocation, GTM_forget_allocation): Declare.
928 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
929 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
930 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
931 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
932 _ZGTtdaPvRKSt9nothrow_t): Export.
934 2009-07-18 Richard Henderson <rth@redhat.com>
936 * target_tls.h: Move ...
937 * config/posix/target_tls.h: ... here.
939 2009-07-07 Richard Henderson <rth@redhat.com>
941 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
943 2009-07-07 Richard Henderson <rth@redhat.com>
947 2009-07-07 Richard Henderson <rth@redhat.com>
949 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
950 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
952 * configure.tgt: Don't use -ftls-model for x86 linux.
953 * libitm.h: Include target.h after standard includes.
954 (_gtm_thr): Rename from gtm_thr.
955 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
956 (gtm_disp, set_gtm_disp): New.
957 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
958 retry.c, serial.c, useraction.c: Use accessor functions throughout.
959 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
961 2009-07-07 Richard Henderson <rth@redhat.com>
963 * config/linux/rwlock.c (EZ): New define. Use it throughout.
965 2009-07-06 Richard Henderson <rth@redhat.com>
967 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
968 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
969 (_ITM_beginTransaction): Take variadic arguments.
970 (_ITM_registerThrownObject): Declare.
971 * beginend.c, serial.c: Update.
972 * libitm.map: Add _ITM_registerThrownObject.
974 2009-01-28 Richard Henderson <rth@redhat.com>
976 * Makefile.am (libitm_la_SOURCES): Add clone.c.
977 * Makefile.in: Rebuild.
978 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
979 (GTM_restart_transaction): Fix uninstrumented code check.
980 * retry.c (GTM_decide_retry_strategy): Add serial check.
981 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
982 automatically go irrevokable when in serial mode.
984 * libitm.h, libitm.map: Update.
986 2009-01-27 Richard Henderson <rth@redhat.com>
988 * Makefile.am (LTCCASCOMPILE): Define.
989 (libitm_la_SOURCES): Add methid-wbetl.c.
990 * testsuite/Makefile.am: New
991 * configure.ac: Add testsuite/Makefile.
992 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
993 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
994 (_ITM_abortTransaction): Finalize implementation method; pass
995 transaction properties to longjmp.
996 (GTM_restart_transaction): Split out from ...
997 (_ITM_commitTransaction): ... here.
998 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
999 Move to config/x86/target.h.
1000 * config/linux/alpha/futex_bits.h: New.
1001 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1002 * config/x86/target.h: Disable target types for 32-bit.
1003 * config/alpha/sjlj.S, config/alpha/target.h: New.
1004 * libitm.h (struct gtm_dispatch): Add init, fini.
1005 (enum restart_reason): New.
1006 (struct gtm_transaction): Add method and restarts.
1007 * retry.c (GTM_decide_retry_strategy): Implement.
1008 * serial.c (serial_init, serial_fini): New.
1009 (GTM_serialmode): Finialize outgoing method.
1010 * method-wbetl.c: New.
1012 2008-12-09 Richard Henderson <rth@redhat.com>
1014 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1015 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1016 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1017 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1018 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1019 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1020 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1021 * serial.c (serial_R##T, serial_W##T): Likewise.
1023 2008-11-21 Richard Henderson <rth@redhat.com>