1 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
3 * configure.tgt (x86_64): Tune -m32 multilib to generic.
5 2014-10-30 Release Manager
9 2014-07-24 Richard Henderson <rth@redhat.com>
11 * config/aarch64/sjlj.S: New file.
12 * config/aarch64/target.h: New file.
13 * configure.tgt: Enable aarch64.
15 2014-07-16 Release Manager
19 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
21 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
22 -mclear-hwcap instead.
23 * configure: Regenerate.
24 * clearcap.map: Remove.
26 2014-04-22 Release Manager
30 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
32 * config/generic/asmcfi.h: Also check for
33 __GCC_HAVE_DWARF2_CFI_ASM.
35 2013-04-02 Richard Henderson <rth@redhat.com>
37 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
38 * config/arm/target.h, config/sh/target.h: Likewise.
39 * config/sparc/target.h, config/x86/target.h: Likewise.
41 2014-03-26 Jakub Jelinek <jakub@redhat.com>
43 * config/linux/futex_bits.h: Include errno.h.
44 (sys_futex0): If syscall returns -1, return -errno rather than
47 2014-03-26 Joseph Myers <joseph@codesourcery.com>
49 * libitm.texi (Index): Rename to Library Index.
51 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
54 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
55 (x86_avx.lo): Append -mavx to CXXFLAGS.
56 * Makefile.in: Regenerate.
58 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
60 Update copyright years
62 2014-01-02 Tobias Burnus <burnus@net-b.de>
64 * libitm.texi: Bump @copying's copyright year.
66 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
68 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
69 (FUNC): Define ELFv2 variant.
76 2013-09-20 Alan Modra <amodra@gmail.com>
78 * configure: Regenerate.
80 2013-08-30 Torvald Riegel <triegel@redhat.com>
82 * config/posix/rwlock.cc: Fix initialization order.
84 2013-08-30 Torvald Riegel <triegel@redhat.com>
86 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
87 (htm_fastpath): Assign an asm name.
88 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
90 (_ITM_actions): Likewise.
91 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
93 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
94 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
95 field to the start of the structure.
96 * config/linux/rwlock.h (gtm_rwlock): Update comments.
97 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
98 handling for custom HTM fast paths.
100 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
102 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
104 * configure.tgt: Add -msoft-float to XCFLAGS.
106 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
108 * configure.tgt: Add -msoft-float to XCFLAGS.
110 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
112 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
113 (htm_transaction_active): Enable zEC12 instructions in the
115 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
117 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
119 * acinclude.m4: Add htm asm check for s390.
120 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
121 * configure: Regenerate.
122 * config/s390/target.h: Remove __HTM__ check.
123 (htm_available): Call getauxval to get hwcaps and check whether
124 HTM is available or not.
126 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
128 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
129 * configure.ac: Use it.
130 (AC_CHECK_HEADERS): Check for sys/auxv.h.
131 (AC_CHECK_FUNCS): Check for getauxval.
132 * config.h.in, configure: Rebuild.
133 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
134 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
135 (USE_HTM_FASTPATH): Define.
136 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
137 _HTM_RETRIES) New macros.
138 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
139 htm_begin_success, htm_commit, htm_transaction_active): New functions.
141 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
143 * config/s390/target.h: Include htmintrin.h.
144 (_HTM_ITM_RETRIES): New macro definition.
145 (htm_available, htm_init, htm_begin, htm_begin_success)
146 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
148 2013-06-20 Iain Sandoe <iain@codesourcery.com>
149 Cesar Philippidis <cesar@codesourcery.com>
151 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
152 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
153 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
154 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
156 2013-06-20 Torvald Riegel <triegel@redhat.com>
158 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
159 (_ITM_getTransactionId): Same.
160 * config/x86/target.h (htm_transaction_active): New.
162 2013-06-20 Torvald Riegel <triegel@redhat.com>
165 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
168 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
171 * local_atomic (__always_inline): Always define our version.
172 (__calculate_memory_order): Mark inline.
173 (atomic_thread_fence): Ditto.
174 (atomic_signal_fence): Ditto.
175 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
176 (atomic_bool::atomic_flag_clear_explicit): Ditto.
177 (atomic_bool::atomic_flag_test_and_set): Ditto.
178 (atomic_bool::atomic_flag_clear): Ditto.
180 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
182 * config/s390/sjlj.S: New file.
183 * config/s390/target.h: New file.
184 * configure.tgt: Set options for S/390.
186 2013-03-23 Andi Kleen <ak@linux.intel.com>
188 * local_atomic (__always_inline): Add.
189 (__calculate_memory_order, atomic_thread_fence,
190 atomic_signal_fence, test_and_set, clear, store, load,
191 exchange, compare_exchange_weak, compare_exchange_strong,
192 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
193 Add __always_inline to force inlining.
195 2013-02-11 Iain Sandoe <iain@codesourcery.com>
196 Jack Howarth <howarth@bromo.med.uc.edu>
197 Patrick Marlier <patrick.marlier@gmail.com>
200 * alloc_cpp.cc: Enable function declarations on darwin.
201 * eh_cpp.cc: Likewise.
203 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
205 Update copyright years.
207 2012-11-09 Torvald Riegel <triegel@redhat.com>
209 * beginend.cc (htm_fastpath): New.
210 (gtm_thread::begin_transaction, _ITM_commitTransaction,
211 _ITM_commitTransactionEH): Add HTM fastpath handling.
212 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
213 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
214 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
215 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
216 * configure.tgt: Add -mrtm to XCFLAGS.
217 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
218 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
219 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
220 * retry.cc (parse_default_method): Add HTM method parsing.
221 (gtm_thread::number_of_threads_changed): Use HTM by default if
224 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
226 * configure: Regenerate.
228 2012-10-31 Richard Henderson <rth@redhat.com>
230 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
231 * configure.ac: Use it.
232 * config.h.in, configure: Rebuild.
233 * testsuite/Makefile.in: Rebuild.
235 2012-10-24 Torvald Riegel <triegel@redhat.com>
237 * libitm.texi: Clarify ABI requirements for data-logging functions.
239 2012-10-24 Torvald Riegel <triegel@redhat.com>
241 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
242 it requires serial mode instead of assuming that for certain
244 * dispatch.h (abi_dispatch::requires_serial): New.
245 (abi_dispatch::abi_dispatch): Adapt.
246 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
247 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
248 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
249 serial_dispatch::serial_dispatch,
250 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
252 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
254 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
255 and ia32 declarations some more.
256 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
258 2012-09-20 Jakub Jelinek <jakub@redhat.com>
261 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
262 * configure: Regenerate.
263 * Makefile.in: Regenerate.
265 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
267 * configure: Regenerated.
269 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
271 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
273 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
275 * eh_cpp.cc: Fix __cxa_end_catch declaration.
277 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
279 * configure: Regenerated.
281 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
284 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
287 2012-04-03 Tristan Gingold <gingold@adacore.com>
289 * configure: Regenerate.
291 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
294 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
296 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
298 * testsuite/lib/libitm.exp: load fortran-modules.exp
300 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
302 * configure.tgt (*-*-irix6*): Remove.
304 2012-03-13 Torvald Riegel <triegel@redhat.com>
307 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
310 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
312 * configure.tgt (*-*-osf*): Remove.
313 * configure: Regenerate.
315 2012-03-05 Torvald Riegel <triegel@redhat.com>
317 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
318 memtransfer/memset if size isn't larger than zero.
320 2012-03-02 Torvald Riegel <triegel@redhat.com>
322 * libitm.texi: Link to specification and add a usage example.
324 2012-02-24 Torvald Riegel <triegel@redhat.com>
326 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
327 default dispatch for more than 1 thread to ml_wt.
329 2012-02-20 Torvald Riegel <triegel@redhat.com>
331 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
333 2012-02-20 Torvald Riegel <triegel@redhat.com>
335 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
337 2012-02-20 Torvald Riegel <triegel@redhat.com>
339 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
340 serial mode corner cases made obsolete by prior gtm_rwlock changes.
341 (gl_wt_dispatch.rollback): Same.
343 2012-02-20 Torvald Riegel <triegel@redhat.com>
345 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
347 2012-02-20 Torvald Riegel <triegel@redhat.com>
349 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
350 for RfW src. Optimize number of calls to gtm_thr.
352 2012-02-20 Torvald Riegel <triegel@redhat.com>
354 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
356 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
357 (default_dispatch): Make atomic.
358 (GTM::gtm_thread::set_default_dispatch): Access atomically.
359 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
360 use decide_begin_dispatch() if default_dispatch might have changed.
361 (GTM::gtm_thread::number_of_threads_changed): Initialize
362 default_dispatch here.
364 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
365 Patrick Marlier <patrick.marlier@gmail.com>
368 * alloc_cpp.cc: No dummy definitions for darwin.
369 * eh_cpp.cc: Likewise.
371 2012-02-14 Richard Henderson <rth@redhat.com>
373 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
375 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
377 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
379 2012-02-14 Torvald Riegel <triegel@redhat.com>
381 * libitm_i.h (GTM::gtm_rwlog_entry): New.
382 (GTM::gtm_thread): Add read and write logs.
383 (GTM::dispatch_ml_wt): Declare.
384 * retry.cc (parse_default_method): Support ml_wt.
385 * method-ml.cc: New file.
386 * Makefile.am: Add method-ml.cc.
387 * Makefile.in: Regenerate.
389 2012-02-14 Torvald Riegel <triegel@redhat.com>
391 * dispatch.h (GTM::abi_dispatch::supports): New.
392 (GTM::method_group::reinit): New.
393 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
394 (GTM::gtm_thread::number_of_threads_changed): Check that the method
395 supports the current situation.
397 2012-02-14 Torvald Riegel <triegel@redhat.com>
399 * util.cc (GTM::xcalloc): New.
400 * common.h (GTM::xcalloc): Declare.
402 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
404 * config/sparc/target.h (cpu_relax): Read from CC register.
405 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
407 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
409 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
411 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
413 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
414 * config/sparc/cacheline.h: New file.
415 * config/sparc/target.h: Likewise.
416 * config/sparc/sjlj.S: Likewise.
417 * config/linux/sparc/futex_bits.h: Likewise.
419 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
421 * configure.ac (link_itm): Fix comment.
422 * configure: Regenerate.
423 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
425 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
428 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
429 Correct libgomp references.
431 2012-01-24 Torvald Riegel <triegel@redhat.com>
433 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
436 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
438 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
440 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
441 offset values. Do not copy return address. Decrement stack
443 (GTM_longjump) [__x86_64__]: Update offset values.
445 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
448 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
449 the first function argument to %eax.
451 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
453 * libitm.h (_ITM_getThreadnum): Remove.
454 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
456 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
458 * clearcap.map: New file.
459 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
460 * configure.ac: Call it.
461 Clear HWCAP_LDFLAGS if defaulting to -mavx.
462 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
463 * configure: Regenerate.
464 * Makefile.in: Regenerate.
465 * testsuite/Makefile.in: Regenerate.
467 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
470 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
471 include, exclude options.
473 2012-01-14 Torvald Riegel <triegel@redhat.com>
475 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
477 * containers.h (GTM::vector::set_size): New.
479 2012-01-14 Torvald Riegel <triegel@redhat.com>
482 * config/generic/tls.h (GTM::mask_stack_top): New.
483 (GTM::mask_stack_bottom): Declare.
484 * config/generic/tls.c (GTM::mask_stack_bottom): New.
485 * local.cc (gtm_undolog::rollback): Filter out any updates that
486 overlap the libitm stack. Add current transaction as parameter.
487 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
488 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
489 * testsuite/libitm.c/stackundo.c: New test.
491 2012-01-10 Richard Henderson <rth@redhat.com>
493 * libitm_i.h (_Unwind_DeleteException): Declare weak.
494 * eh_cpp.cc (_Unwind_DeleteException): Define for
495 !HAVE_ELF_STYLE_WEAKREF.
497 2012-01-08 Torvald Riegel <triegel@redhat.com>
499 * local.cc (GTM_LB): Use GTM::gtm_undolog.
500 (GTM::gtm_thread::drop_references_undolog): Remove.
501 (GTM::gtm_thread::commit_undolog,
502 GTM::gtm_thread::rollback_undolog): Move to ...
503 * libitm_i.h (GTM::gtm_undolog): ...here. New.
504 (GTM::gtm_undolog_entry): Remove.
505 (GTM::gtm_thread): Adapt.
506 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
507 (GTM::gtm_thread::trycommit): Adapt.
508 * method-serial.cc (serial_dispatch::log): Adapt.
509 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
510 (gl_wt_dispatch::store): Fix likely/unlikely.
511 * containers.h (GTM::vector::resize): Add additional_capacity
512 parameter and handle it.
513 (GTM::vector::resize_noinline): New/adapt.
514 (GTM::vector::push): New.
516 2012-01-06 Richard Henderson <rth@redhat.com>
518 * configure.tgt: Support powerpc-linux and powerpc-darwin.
519 * config/linux/powerpc/futex_bits.h: New file.
520 * config/powerpc/cacheline.h: New file.
521 * config/powerpc/sjlj.S: New file.
522 * config/powerpc/target.h: New file.
523 * config/generic/asmcfi.h (cfi_offset): New.
524 (cfi_restore, cfi_undefined): New.
526 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
529 * testsuite/libitm.c/reentrant.c: Remove xfail.
530 (thread): Pass x to pure().
531 From Patrik Marlier <patrick.marlier@gmail.com>.
533 2011-12-24 Torvald Riegel <triegel@redhat.com>
535 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
536 privatization safety if already in serial mode.
538 2011-12-24 Torvald Riegel <triegel@redhat.com>
540 * beginend.cc (GTM::gtm_thread::restart): Add and handle
541 finish_serial_upgrade parameter.
542 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
543 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
544 Don't unset reader flag.
545 (GTM::gtm_rwlock::write_upgrade_finish): New.
546 * config/posix/rwlock.cc: Same.
547 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
549 * config/posix/rwlock.h: Same.
550 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
551 flag after commit or after rollback when restarting.
553 2011-12-24 Torvald Riegel <triegel@redhat.com>
555 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
556 (GTM::gtm_thread::try_commit): Changed memory order.
557 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
559 * config/linux/x86/futex_bits.h (sys_futex0): Same.
560 * config/linux/sh/futex_bits.h (sys_futex0): Same.
561 * config/linux/futex_bits.h (sys_futex0): Same.
562 * config/linux/futex.cc (futex_wait, futex_wake): Same.
563 * config/linux/futex.h (futex_wait, futex_wake): Same.
564 * config/linux/rwlock.h (gtm_rwlock::writers,
565 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
567 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
568 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
569 gtm_rwlock::write_unlock): Fix memory orders and fences.
570 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
571 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
572 gtm_rwlock::write_unlock): Same.
573 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
574 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
575 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
577 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
578 gl_wt_dispatch::load, gl_wt_dispatch::store,
579 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
580 orders and fences. Add comments.
582 2011-12-21 Jakub Jelinek <jakub@redhat.com>
584 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
585 * Makefile.in: Regenerated.
587 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
589 * configure.tgt: Add sh* case.
590 * config/sh/target.h: New file.
591 * config/sh/sjlj.S: New file.
592 * config/linux/sh/futex_bits.h: New file.
594 2011-12-14 Richard Henderson <rth@redhat.com>
596 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
597 * config/arm/sjlj.S, config/arm/target.h: New files.
598 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
599 (cfi_rel_offset): New.
600 * config/linux/futex_bits.h: New file.
601 * config/linux/futex.cc: Include futex_bits.h here...
602 * config/linux/futex.h: ... not here.
603 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
604 * configure.ac (ARCH_AM): New conditional.
605 * Makefile.in, configure: Rebuild.
606 * configure.tgt: Handle ARM.
608 2011-12-13 Richard Henderson <rth@redhat.com>
610 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
611 signed/unsigned comparison werror.
613 * local_atomic: New file.
614 * libitm_i.h: Include it.
615 (gtm_thread::shared_state): Use atomic template.
616 * beginend.cc (GTM::gtm_clock): Use atomic template.
617 (global_tid): Use atomic template if 64-bit atomics available.
618 (gtm_thread::gtm_thread): Update shared_state access.
619 (gtm_thread::trycommit): Likewise.
620 (choose_code_path): Update global_tid access.
621 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
622 * stmlock.h (GTM::gtm_clock): Use atomic template.
623 (gtm_get_clock, gtm_inc_clock): Update accesses.
624 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
625 redundant __sync_synchronize after atomic shared_state access.
626 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
627 (gtm_rwlock::write_lock_generic): Likewise.
628 (gtm_rwlock::read_unlock): Likewise.
629 * config/alpha/target.h (atomic_read_barrier): Remove.
630 (atomic_write_barrier): Remove.
631 * config/x86/target.h (atomic_read_barrier): Remove.
632 (atomic_write_barrier): Remove.
634 2011-11-30 Richard Henderson <rth@redhat.com>
636 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
637 * beginend.c (_ITM_abortTransaction): Update to match.
638 (GTM::gtm_thread::restart): Likewise.
639 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
640 * config/x86/sjlj.S (GTM_longjmp): Likewise.
642 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
644 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
645 * Makefile.in: Regenerate.
647 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
649 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
650 * alloc_cpp.cc: Generate dummy functions if we don't
651 HAVE_ELF_STYLE_WEAKREF.
652 * eh_cpp.cc: Likewise.
653 * configure: Regenerate.
654 * aclocal.m4: Likewise.
655 * config.h.in: Likewise.
656 * Makefile.in: Likewise.
657 * testsuite/Makefile.in: Likewise.
659 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
661 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
662 __USER_LABEL_PREFIX__ for targets that use it.
663 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
664 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
665 in portability to non-elf targets.
666 (GTM_longjmp): Likewise.
667 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
670 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
672 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
673 * testsuite/libitm.c/memset-1.c: Likewise.
675 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
677 * configure: Regenerate.
679 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
681 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
682 (LIBITM_ENABLE_SYMVERS): Handle sun style.
683 * Makefile.am: Handle sun style versioning.
684 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
685 * configure: Regenerate.
686 * Makefile.in: Regenerate.
688 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
690 * config/generic/asmcfi.h: Fix comment.
691 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
692 sequence without .hidden support, error for non-ELF targets.
693 (GTM_longjmp) [__ELF__]: Only use .hidden if
694 HAVE_ATTRIBUTE_VISIBILITY.
696 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
698 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
699 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
701 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
702 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
704 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
707 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
708 * configure: Regenerate.
710 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
712 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
714 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
716 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
718 (.note.GNU-stack): Only use if __linux__.
719 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
720 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
721 * testsuite/libitm.c/reentrant.c: Likewise.
722 * testsuite/libitm.c/simple-2.c: Likewise.
723 * testsuite/libitm.c/txrelease.c: Likewise.
724 * testsuite/libitm.c++/static_ctor.C: Likewise.
726 2011-11-10 Richard Henderson <rth@redhat.com>
728 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
729 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
730 * configure.ac (ARCH_X86_AVX): New conditional.
731 * Makefile.in, configure: Rebuild.
733 2011-11-09 Richard Henderson <rth@redhat.com>
735 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
736 * configure.ac: Use it.
737 * config.h.in, configure: Rebuild.
738 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
740 2011-11-09 Richard Henderson <rth@redhat.com>
742 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
743 * config/alpha/unaligned.h: Remove file.
744 * config/generic/unaligned.h: Remove file.
745 * config/x86/unaligned.h: Remove file.
746 * config/generic/cachepage.h: Remove file.
747 * config/posix/cachepage.cc: Remove file.
748 * config/generic/cacheline.cc: Remove file.
749 * config/x86/cacheline.cc: Remove file.
750 * config/generic/cacheline.h (gtm_cacheline): Remove the
751 store_mask, copy_mask, copy_mask_wb methods.
752 * config/x86/cacheline.h: Likewise.
753 * config/alpha/cacheline.h: Fall back to generic after setting size.
754 * config/generic/tls.cc (gtm_mask_stack): Remove.
755 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
756 (GTM_vpalignr_table): Remove.
757 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
758 (GTM_pshift_table): Remove.
759 * config/libitm_i.h: Don't include cachepage.h.
760 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
761 * Makefile.in, testsuite/Makefile.in: Rebuild.
763 2011-11-09 Richard Henderson <rth@redhat.com>
765 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
766 to emit branch prediction hint.
768 * config/x86/sjlj.S: Protect elf directives with __ELF__.
769 Protect .note.GNU-stack with __linux__.
771 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
772 * configure, aclocal.m4, config.h.in: Rebuild.
773 * config/generic/asmcfi.h: New file.
774 * config/x86/sjlj.S: Use it.
776 2011-11-08 Richard Henderson <rth@redhat.com>
778 * local.cc (_ITM_LB): Use a normal call, not a function alias.
780 2011-11-08 Richard Henderson <rth@redhat.com>
782 * configure.tgt: Test correct directory for supported cpus.
784 * configure.ac: Exit if unsupported.
785 * configure: Rebuild.
786 * configure.tgt: Delete boilerplate from libgomp for unsupported
787 targets. Set UNSUPPORTED for unsupported targets.
789 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
791 * configure.tgt: Handle i386 like i[456]86.
792 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
794 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
795 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
797 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
799 * method-wbetl.cc: Update copyright notice.
806 * useraction.cc: Same.
810 * config/generic/tls.cc: Same.
811 * config/generic/cacheline.h: Same.
812 * config/generic/cachepage.h: Same.
813 * config/generic/cacheline.cc: Same.
814 * config/generic/unaligned.h: Same.
815 * config/x86/cacheline.h: Same.
816 * config/x86/cacheline.cc: Same.
817 * config/x86/unaligned.h: Same.
818 * config/alpha/cacheline.h: Same.
819 * config/alpha/unaligned.h: Same.
820 * config/alpha/sjlj.S: Same.
821 * config/posix/cachepage.cc: Same.
822 * config/linux/futex.h: Same.
823 * config/linux/alpha/futex_bits.h: Same.
825 2011-11-04 Torvald Riegel <triegel@redhat.com>
827 * libitm.texi: No cover text and invariant sections.
829 2011-11-03 Richard Henderson <rth@redhat.com>
831 * local_type_traits: New file.
832 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
834 2011-11-03 Richard Henderson <rth@redhat.com>
836 * configure.ac: Don't test for gfortran.
837 * configure: Rebuild.
839 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
840 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
842 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
844 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
845 * testsuite/libitm.c/memset-1.c: Same.
846 * testsuite/libitm.c/c.exp: Same.
847 * testsuite/lib/libitm-dg.exp: Same.
848 * testsuite/lib/libitm.exp: Same.
849 * testsuite/libitm.c++/c++.exp: Same.
851 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
853 * testsuite/config/default.exp: Update copyright date.
854 * configure.ac: Add copyright info.
855 * configure.tgt: Same.
857 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
859 * testsuite/libitm.c/reentrant.c: XFAIL.
860 * testsuite/libitm.c++/static_ctor.C: XFAIL.
862 2011-10-29 Torvald Riegel <triegel@redhat.com>
864 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
866 (_ITM_abortTransaction): Handle aborts of outer transactions.
868 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
869 * libitm.texi: Document aborts of outer transactions.
870 * testsuite/libitm.c/cancel.c: New file.
872 2011-10-19 Torvald Riegel <triegel@redhat.com>
874 * testsuite/*: Change __transaction to __transaction_atomic or
875 __transaction_relaxed.
877 2011-10-19 Torvald Riegel <triegel@redhat.com>
879 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
882 2011-10-19 Torvald Riegel <triegel@redhat.com>
884 * libitm_i.h: Add gl_wt dispatch.
885 * retry.cc (parse_default_method): Same.
886 * method-gl.cc: New file.
887 * Makefile.am: Use method-gl.cc.
888 * Makefile.in: Rebuild.
890 2011-10-19 Torvald Riegel <triegel@redhat.com>
892 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
893 safety if requested by a TM method.
894 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
895 privatization safety.
896 * method-serial.cc: Same.
898 2011-10-19 Torvald Riegel <triegel@redhat.com>
900 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
901 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
902 undolog-related member functions from *_local to *_undolog.
903 * local.cc (gtm_thread::commit_undolog): Same.
904 * beginend.cc (GTM::gtm_thread::trycommit): Same.
905 (GTM::gtm_thread::rollback): Roll back undolog before
906 dispatch-specific rollback.
908 2011-10-19 Torvald Riegel <triegel@redhat.com>
910 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
911 re-initialization of the current method group.
912 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
914 2011-10-19 Torvald Riegel <triegel@redhat.com>
916 * alloc.cc (commit_allocations_2): Do not free transaction-local
917 memory when committing a nested transaction.
919 2011-10-19 Torvald Riegel <triegel@redhat.com>
921 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
922 serial-irrevocable dispatch, not serial.
924 2011-10-19 Torvald Riegel <triegel@redhat.com>
926 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
928 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
929 * method-serial.cc: Implement begin_or_restart().
930 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
931 dispatch-specific begin_or_restart().
932 (GTM::gtm_thread::restart): Same.
934 2011-08-23 Torvald Riegel <triegel@redhat.com>
936 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
937 restarting without switching to serial mode.
938 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
939 transaction state. Choose closed-nesting alternative if available.
940 (GTM::gtm_thread::set_default_dispatch): New.
941 (parse_default_method): New.
942 (GTM::gtm_thread::number_of_threads_changed): New.
943 * method-serial.cc (GTM::serial_mg): New method group class.
944 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
946 (GTM::serial_dispatch): Same.
947 (GTM::serialirr_onwrite_dispatch): Same.
948 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
949 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
951 (GTM::gtm_thread::gtm_thread): Same.
952 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
953 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
954 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
955 choose dispatch but set state according to dispatch here.
956 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
957 (GTM::method_group): New class.
958 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
959 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
960 * libitm.texi: Document TM methods, method groups, method life cycle.
961 Rename method sets to method groups.
963 2011-08-23 Torvald Riegel <triegel@redhat.com>
965 * config/x86/tls.h: Moved to ...
966 * config/linux/x86/tls.h: ... here.
968 2011-08-23 Torvald Riegel <triegel@redhat.com>
970 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
972 * config/x86/sjlj.S: Same.
974 2011-08-19 Torvald Riegel <triegel@redhat.com>
976 * config/linux/rwlock.h: New file.
977 * config/linux/rwlock.c: New file.
978 * configure.ac: Reenable futex support (undo SVN rev 157758).
980 * configure.tgt: Same.
981 * config/linux/alpha/futex_bits.h: Same.
982 * config/linux/futex.h: Same. Return number of woken processes.
983 * config/linux/futex.cc: Same.
984 (futex_wait): Remove spinning.
985 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
986 Use __x86_64__ instead of __LP64__.
987 * aclocal.m4: Include generic futex checks.
988 * configure: Rebuild.
989 * Makefile.in: Rebuild.
990 * testsuite/Makefile.in: Rebuild.
991 * beginend.cc: Include pthread.h.
992 * config/posix/cachepage.cc: Same.
994 2011-08-12 Torvald Riegel <triegel@redhat.com>
996 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
997 (abi_disp, set_abi_disp): Move to tx's TLS slot.
999 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1001 (GTM::gtm_thread::thread_num): Removed.
1002 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1003 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1004 tx-to-thread renaming.
1005 * beginend.cc: Adapted to tx-to-thread renaming.
1006 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1007 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1008 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1009 gtm_transaction to gtm_thread.
1010 (_ITM_getThreadnum): Removed. Not supported anymore.
1011 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1012 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1013 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1014 gtm_tx-to-gtm_thr renaming if necessary.
1021 * alloc_cpp.cc: Same.
1022 * method-serial.cc: Same.
1023 * config/generic/tls.cc: Same.
1024 * config/posix/rwlock.h (gtm_rwlock): Same.
1025 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1027 2011-08-12 Torvald Riegel <triegel@redhat.com>
1029 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1031 (gtm_rwlock::read_unlock): Same.
1032 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1033 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1034 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1035 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1036 w_upgrade. Replaced by per-transaction flags (in shared_state).
1037 Added c_confirmed_writers.
1038 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1039 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1040 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1041 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1042 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1043 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1044 * libitm.texi: Document locking conventions and implementations in
1047 2011-08-12 Torvald Riegel <triegel@redhat.com>
1049 * libitm_i.h (next_tx): Add list of all threads' transaction.
1050 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1051 transaction with list of transactions and ...
1052 (thread_exit_handler): ... deregister here.
1053 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1054 * config/x86/target.h: Same.
1056 2011-08-12 Torvald Riegel <triegel@redhat.com>
1058 * testsuite/libitm.c++/static_ctor.C: New file.
1060 2011-08-12 Torvald Riegel <triegel@redhat.com>
1062 * testsuite/libitm.c/reentrant.c: New file.
1064 2011-08-12 Torvald Riegel <triegel@redhat.com>
1066 * config/generic/tls.h: Remove the free list for transactions and ...
1067 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1068 (GTM::gtm_transaction::operator delete): ... and release here.
1069 (thread_exit_handler): New. Delete tx when thread terminates.
1070 (thread_exit_init): New.
1071 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1072 * testsuite/libitm.c/txrelease.c: New file.
1074 2011-08-12 Torvald Riegel <triegel@redhat.com>
1076 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1077 * testsuite/libitm.c/notx.c: New file.
1079 2011-08-12 Torvald Riegel <triegel@redhat.com>
1081 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1082 * libitm_i.h (local_tid): ... to here.
1083 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1084 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1086 2011-08-12 Torvald Riegel <triegel@redhat.com>
1088 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1089 serialirr_onwrite_dispatch as new default for now.
1090 * method-serial.cc (serialirr_onwrite_dispatch): New.
1091 (GTM::dispatch_serialirr_onwrite): New.
1094 2011-08-12 Torvald Riegel <triegel@redhat.com>
1096 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1097 * query.cc (_ITM_getTransactionId): There is no active transaction if
1098 the current nesting level is zero.
1100 2011-07-28 Torvald Riegel <triegel@redhat.com>
1102 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1105 2011-07-28 Torvald Riegel <triegel@redhat.com>
1107 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1108 transaction properties from the caller instead of from the
1111 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1113 2011-07-28 Torvald Riegel <triegel@redhat.com>
1115 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1116 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1118 * method-serial.cc: Same.
1119 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1120 flat nesting as default, and closed nesting on demand.
1121 (GTM::gtm_transaction::rollback): Same.
1122 (_ITM_abortTransaction): Same.
1123 (GTM::gtm_transaction::restart): Same.
1124 (GTM::gtm_transaction::trycommit): Same.
1125 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1126 (choose_code_path): New.
1127 (GTM::gtm_transaction_cp::save): New.
1128 (GTM::gtm_transaction_cp::commit): New.
1129 * query.cc (_ITM_inTransaction): Support flat nesting.
1130 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1131 (GTM::gtm_transaction): Support flat and closed nesting.
1132 * alloc.cc (commit_allocations_2): New.
1133 (commit_cb_data): New helper struct.
1134 (GTM::gtm_transaction::commit_allocations): Handle nested
1136 * libitm.texi: Update user action section, add description of nesting.
1138 2011-07-28 Torvald Riegel <triegel@redhat.com>
1140 * libitm_i.h: Add closed nesting as restart reason.
1141 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1143 2011-07-28 Torvald Riegel <triegel@redhat.com>
1145 * useraction.cc: Use vector instead of list to store actions.
1146 Also support partial rollbacks for closed nesting.
1147 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1148 * beginend.cc: Same.
1150 2011-07-28 Torvald Riegel <triegel@redhat.com>
1152 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1153 closed_nesting flags, as well as a closed nesting alternative.
1154 * method-serial.cc: Same.
1155 (serial_dispatch): Renamed to serialirr_dispatch.
1156 (GTM::dispatch_serialirr): Same.
1157 (serial_dispatch_ul): Renamed to serial_dispatch.
1158 (GTM::dispatch_serial): Same.
1160 2011-07-28 Torvald Riegel <triegel@redhat.com>
1162 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1164 2011-07-28 Torvald Riegel <triegel@redhat.com>
1166 * aatree.h (aa_tree::remove): New.
1167 (aa_tree::operator new): Add placement new.
1169 2011-07-02 Torvald Riegel <triegel@redhat.com>
1171 * containers.h: New file.
1172 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1173 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1174 * common.h: ... to here.
1175 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1178 2011-06-30 Torvald Riegel <triegel@redhat.com>
1180 * libitm_i.h (STATE_ABORTING): Remove.
1181 * beginend.cc (_ITM_abortTransaction): Same.
1182 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1183 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1184 (_ITM_rollbackTransaction): Remove.
1185 * beginend.cc: Same.
1187 * libitm.texi: Document these ABI changes.
1189 2011-06-30 Torvald Riegel <triegel@redhat.com>
1191 * libitm.texi: New file.
1192 * Makefile.am: Add libitm.texi.
1193 * Makefile.in: Rebuild.
1195 2011-06-30 Torvald Riegel <triegel@redhat.com>
1197 * libitm_i.h: Move parts to common.h and dispatch.h.
1198 * common.h: New file.
1199 * dispatch.h: New file, new dispatch class.
1200 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1201 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1202 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1203 decision to retry.cc.
1204 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1206 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1207 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1209 * barrier.cc: Use new barriers definitions.
1210 (abi_dispatch::memmove_overlap_check): New.
1211 * config/x86/x86_sse.cc: Same.
1212 * config/x86/x86_avx.cc: Same.
1213 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1215 * Makefile.in: Rebuild.
1216 * method-readonly.cc: Remove.
1217 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1218 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1220 2011-06-30 Torvald Riegel <triegel@redhat.com>
1222 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1223 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1224 * testsuite/libitm.c/dropref-2.c: Same.
1225 * testsuite/libitm.c/dropref.c: Same.
1227 2011-06-30 Torvald Riegel <triegel@redhat.com>
1229 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1230 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1231 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1233 * barrier.tpl: Same.
1235 * config/generic/tls.h: Same.
1236 * config/x86/tls.h: Same.
1240 * method-readonly.cc: Same.
1241 * method-serial.cc: Same.
1242 * method-wbetl.cc: Same.
1245 2011-03-03 Richard Henderson <rth@redhat.com>
1247 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1248 From Patrik Marlier <patrick.marlier@unine.ch>.
1250 2011-02-03 Richard Henderson <rth@redhat.com>
1252 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1253 * configure.ac: Use it.
1254 * configure, config.h.in: Rebuild.
1255 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1256 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1257 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1258 * libitm.map: Use wildcards to match size_t mangling.
1260 2010-12-14 Richard Henderson <rth@redhat.com>
1262 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1263 blocks of TIDs per thread.
1264 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1265 (setup_gtm_thr): Return the thread structure.
1266 * config/x86/tls.h (setup_gtm_thr): Likewise.
1268 2010-12-14 Richard Henderson <rth@redhat.com>
1270 * clone.cc (table_lock): Remove.
1271 (find_clone): Don't take it.
1272 (ExcludeTransaction): New helper class.
1273 (_ITM_registerTMCloneTable): Use it.
1274 (_ITM_deregisterTMCloneTable): Likewise.
1276 2010-12-14 Richard Henderson <rth@redhat.com>
1278 * config/x86/tls.h: New file.
1280 2010-07-15 Richard Henderson <rth@redhat.com>
1282 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1283 * Makefile.in: Rebuild.
1285 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1287 * method-wbetl.cc (trydropreference): Fix source line.
1289 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1291 * libitm.h: Add comment.
1292 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1294 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1296 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1297 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1298 available, use pthread mutexes.
1299 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1300 * config.h.in: Regenerate.
1301 * configure: Regenerate.
1303 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1305 * libitm.h (ITM_PURE): Define.
1306 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1308 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1310 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1311 (validate): Add comment.
1312 (trydropreference): New.
1313 * method-readonly.cc (class readonly_dispatch): Add
1315 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1316 Call trydropreference().
1317 * libitm.h (_ITM_dropReferences): Remove const attribute.
1318 * method-serial.cc (class serial_dispatch): Add trydropreference.
1319 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1321 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1323 * memcpy.cc (do_memcpy): Comment.
1325 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1327 * barrier.tpl: Add comments throughout.
1329 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1331 * method-wbetl.cc (struct w_entry): Add comments.
1335 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1337 * alloc_c.cc (_ITM_dropReferences): New.
1338 * libitm.map (_ITM_dropReferences): Add.
1339 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1340 * libitm_i.h (struct gtm_transaction): Declare
1341 drop_references_allocations and drop_references_local.
1342 * local.cc (rollback_local): Ignore memory when applicable.
1343 (drop_references_local): New.
1345 2010-06-23 Richard Henderson <rth@redhat.com>
1347 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1348 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1349 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1350 * config/alpha/target.h: Likewise.
1351 * config/generic/tls.cc (gtm_mask_stack): Use it.
1353 2010-06-23 Richard Henderson <rth@redhat.com>
1355 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1356 a mutex instead of trying a lock-free compare-and-swap on the list.
1357 (gtm_cacheline_page::operator delete): Likewise.
1359 2010-06-16 Richard Henderson <rth@redhat.com>
1361 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1362 that overlap the libitm stack.
1363 * barrier.tpl: Mark incoming stack.
1364 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1365 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1366 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1367 * memcpy.cc, memset.cc: Likewise.
1368 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1369 * config/generic/tls.h (gtm_thread): Add stack_top member.
1370 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1371 * libitm_i.h (gtm_mask_stack): Declare.
1372 * config/generic/tls.cc: New file.
1373 * Makefile.am (libitm_la_SOURCES): Add it.
1374 (AM_CXXFLAGS): Turn off exceptions.
1375 * Makefile.in: Rebuild.
1377 2010-06-16 Richard Henderson <rth@redhat.com>
1379 * alloc.cc (struct gtm_alloc_action): Move definition ...
1380 * libitm_i.h: ... here.
1381 (class gtm_transaction): Declare new and delete.
1382 * beginend.cc (alloc_tx): Reformulate as operator new.
1383 (free_tx): Reformulate as operator delete.
1384 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1386 2010-06-11 Richard Henderson <rth@redhat.com>
1388 * clone.cc (clone_entry_compare): Fix typo.
1389 From Patrik Marlier <patrick.marlier@unine.ch>.
1391 2010-05-13 Richard Henderson <rth@redhat.com>
1393 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1396 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1398 * libitm_i.h (struct gtm_transaction): Remove
1399 get_allocation_size.
1400 (record_allocation): Remove size parameter.
1401 * libitm.map (_ITM_realloc): Remove.
1402 * alloc_c.cc (_ITM_realloc): Remove.
1403 (_ITM_malloc): Remove size argument to record_allocation.
1404 (_ITM_calloc): Same.
1405 * alloc_cpp.cc (_ZGTtnwm): Same.
1406 (_ZGTtnwmRKSt9nothrow_t): Same.
1408 (_ZGTtnamRKSt9nothrow_t): Same.
1409 * alloc.cc (struct gtm_alloc_action): Remove size.
1410 (get_allocation_size): Remove.
1411 (commit_allocations): Add comment.
1412 (record_allocation): Remove size parameter.
1413 (forget_allocation): Remove set of size.
1415 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1417 * Makefile.am (abi_version): New.
1418 (AM_CXXFLAGS): Pass abi_version.
1419 * Makefile.in: Regenerate.
1420 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1422 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1424 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1425 _ITM_getTMCloneOrIrrevokable.
1426 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1427 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1429 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1431 * configure.ac: Remove Linux futex support.
1432 * configure.tgt (config_path): Same.
1433 * Makefile.am: Same.
1434 * config/linux: Remove entire directory.
1435 * configure: Rebuild.
1436 * Makefile.in: Rebuild.
1437 * testsuite/Makefile.in: Rebuild.
1439 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1441 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1442 switching to serial mode.
1443 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1445 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1447 * configure.tgt: Add emacs -*- tags.
1448 * barrier.tpl: Same.
1450 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1452 * Makefile.am: Rename serial.cc to method-serial.cc.
1453 * Makefile.in: Regenerate with automake 1.11.1.
1454 * testsuite/Makefile.in: Same.
1455 * aclocal.m4: Regenerate with aclocal 1.11.1.
1456 * method-serial.cc: Rename from serial.cc.
1457 * libitm_i.h (struct gtm_transaction): Update comment on
1460 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1462 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1463 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1465 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1467 * configure: Rebuild.
1469 2009-11-12 Richard Henderson <rth@redhat.com>
1471 * Rewrite everything in C++.
1473 2009-11-03 Richard Henderson <rth@redhat.com>
1475 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1476 * Makefile.am (libitm_la_SOURCES): Add them.
1477 * configure.ac (ARCH_X86): New conditional.
1478 * Makefile.in, configure: Rebuild.
1479 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1480 Move futex setup into "other system configury" case.
1481 * local.c (rollback_local): Merge into ...
1482 (GTM_rollback_local): ... here.
1483 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1484 (_ITM_LB): Define as an alias to GTM_LB.
1486 2009-11-03 Richard Henderson <rth@redhat.com>
1488 * method-readonly.c: New file.
1489 * Makefile.am (libitm_la_SOURCES): Add it.
1490 * Makefile.in: Rebuild.
1491 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1492 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1493 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1494 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1495 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1496 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1497 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1498 gtm_get_clock, gtm_inc_clock): New.
1499 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1500 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1501 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1502 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1503 replace uses with new libitm_i.h symbols.
1504 (dispatch_wbetl): Rename from wbetl_dispatch.
1505 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1506 away from dispatch_readonly; abort if the beginTransaction call
1507 asserted that the transaction was readonly.
1509 2009-11-03 Richard Henderson <rth@redhat.com>
1511 * memset.c: New file.
1512 * Makefile.am (libitm_la_SOURCES): Add it.
1513 * Makefile.in: Rebuild.
1514 * testsuite/libitm.c/memset-1.c: New.
1516 2009-11-03 Richard Henderson <rth@redhat.com>
1518 * dispatch.c: Remove file.
1519 * useraction.c (struct gtm_user_action): Move from libitm.h.
1520 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1521 (serial_memset, serial_memmove, serial_memcpy): Remove.
1522 (serial_W*, serial_R*): Remove.
1523 (serial_dispatch): Update to match.
1524 * configure.ac: Move Werror down below configure checks. Don't
1525 check for sys/loadavg.h, do check for malloc.h. Don't check for
1526 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1527 Use GCC_AC_FUNC_MMAP_BLACKLIST
1528 * libitm.h: Split out all internal items to...
1529 * libitm_i.h: ... here. New file.
1530 * copymask.c: New file.
1531 * local.c (struct gtm_local_undo): Move from libitm.h.
1532 (GTM_alloc_local): Rename from alloc_local; export.
1533 * memcpy.c: New file.
1534 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1535 * config/posix/page.c: New file.
1536 * config/posix/target_tls.h: Remove file.
1537 * barrier.c: New file.
1538 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1540 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1541 * method-wbetl.c: Rewrite for new cacheline methods.
1542 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1544 * config/alpha/sjlj.S: Fix typo.
1545 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1546 * config/alpha/copymask.c: New file.
1547 * config/alpha/target.h (CACHELINE_SIZE): New.
1548 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1550 * config/x86/target_i.h: Copy functions from x86/target.h.
1551 * config/x86/copymask.c: New file.
1552 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1553 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1554 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1555 * config/x86/target_tls.h: Move contents to target_i.h.
1557 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1558 * testsuite/libitm.c/memcpy-1.c: New.
1560 2009-10-22 Richard Henderson <rth@redhat.com>
1562 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1563 (AM_CCASFLAGS): New.
1564 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1565 saving/restoring _AC_ARG_VAR_PRECIOUS.
1566 * Makefile.in, aclocal.m4, config.h.in, configure,
1567 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1569 2009-10-22 Richard Henderson <rth@redhat.com>
1571 * testsuite/*: Update for new compiler syntax.
1573 2009-10-21 Richard Henderson <rth@redhat.com>
1575 * libitm.h (_ITM_abortReason): Add outerAbort.
1577 2009-08-03 Richard Henderson <rth@redhat.com>
1579 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1580 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1581 * method-wbetl.c (struct w_entry): Remove mask.
1582 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1585 2009-07-22 Richard Henderson <rth@redhat.com>
1587 * eh_cpp.c: New file.
1588 * Makefile.am (libitm_la_SOURCES): Add it.
1589 * Makefile.in: Rebuild.
1590 * beginend.c (GTM_rollback_transaction): Undo exception state.
1591 (GTM_trycommit_transaction): Mark inline.
1592 (GTM_trycommit_and_finalize_transaction): Split out from ...
1593 (_ITM_commitTransaction): ... here.
1594 (_ITM_commitTransactionEH): New function.
1595 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1596 cxa_unthrown, eh_in_flight; reorder.
1598 * testsuite/libitm.c++/c++.exp: New.
1599 * testsuite/libitm.c++/eh-1.C: New.
1601 * aatree.c (aa_free): Remove REGPARM.
1602 * aatree.h: Remove all REGPARM.
1604 2009-07-18 Richard Henderson <rth@redhat.com>
1606 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1607 * Makefile.am (libitm_la_SOURCES): Add them.
1608 * Makefile.in: Rebuild.
1609 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1610 (GTM_trycommit_transaction): Likewise.
1611 * libitm.h: Include aatree.h
1612 (struct gtm_alloc_action): New.
1613 (struct gtm_transaction): Add alloc_actions.
1614 (GTM_record_allocation, GTM_forget_allocation): Declare.
1615 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1616 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1617 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1618 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1619 _ZGTtdaPvRKSt9nothrow_t): Export.
1621 2009-07-18 Richard Henderson <rth@redhat.com>
1623 * target_tls.h: Move ...
1624 * config/posix/target_tls.h: ... here.
1626 2009-07-07 Richard Henderson <rth@redhat.com>
1628 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1630 2009-07-07 Richard Henderson <rth@redhat.com>
1634 2009-07-07 Richard Henderson <rth@redhat.com>
1636 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1637 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1639 * configure.tgt: Don't use -ftls-model for x86 linux.
1640 * libitm.h: Include target.h after standard includes.
1641 (_gtm_thr): Rename from gtm_thr.
1642 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1643 (gtm_disp, set_gtm_disp): New.
1644 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1645 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1646 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1648 2009-07-07 Richard Henderson <rth@redhat.com>
1650 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1652 2009-07-06 Richard Henderson <rth@redhat.com>
1654 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1655 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1656 (_ITM_beginTransaction): Take variadic arguments.
1657 (_ITM_registerThrownObject): Declare.
1658 * beginend.c, serial.c: Update.
1659 * libitm.map: Add _ITM_registerThrownObject.
1661 2009-01-28 Richard Henderson <rth@redhat.com>
1663 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1664 * Makefile.in: Rebuild.
1665 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1666 (GTM_restart_transaction): Fix uninstrumented code check.
1667 * retry.c (GTM_decide_retry_strategy): Add serial check.
1668 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1669 automatically go irrevokable when in serial mode.
1670 * clone.c: New file.
1671 * libitm.h, libitm.map: Update.
1673 2009-01-27 Richard Henderson <rth@redhat.com>
1675 * Makefile.am (LTCCASCOMPILE): Define.
1676 (libitm_la_SOURCES): Add methid-wbetl.c.
1677 * testsuite/Makefile.am: New
1678 * configure.ac: Add testsuite/Makefile.
1679 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1680 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1681 (_ITM_abortTransaction): Finalize implementation method; pass
1682 transaction properties to longjmp.
1683 (GTM_restart_transaction): Split out from ...
1684 (_ITM_commitTransaction): ... here.
1685 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1686 Move to config/x86/target.h.
1687 * config/linux/alpha/futex_bits.h: New.
1688 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1689 * config/x86/target.h: Disable target types for 32-bit.
1690 * config/alpha/sjlj.S, config/alpha/target.h: New.
1691 * libitm.h (struct gtm_dispatch): Add init, fini.
1692 (enum restart_reason): New.
1693 (struct gtm_transaction): Add method and restarts.
1694 * retry.c (GTM_decide_retry_strategy): Implement.
1695 * serial.c (serial_init, serial_fini): New.
1696 (GTM_serialmode): Finialize outgoing method.
1697 * method-wbetl.c: New.
1699 2008-12-09 Richard Henderson <rth@redhat.com>
1701 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1702 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1703 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1704 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1705 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1706 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1707 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1708 * serial.c (serial_R##T, serial_W##T): Likewise.
1710 2008-11-21 Richard Henderson <rth@redhat.com>