1 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
3 * Makefile.in: Regenerated with automake-1.11.6.
4 * aclocal.m4: Likewise.
6 * testsuite/Makefile.in: Likewise.
8 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
10 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
11 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
13 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
16 * libitm.c/stackundo.c (test2): Make it static.
19 2015-01-05 Jakub Jelinek <jakub@redhat.com>
21 Update copyright years.
23 2015-01-05 Jakub Jelinek <jakub@redhat.com>
25 * libitm.texi: Bump @copying's copyright year.
27 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
29 * testsuite/lib/libitm.exp: Load target-utils.exp.
30 Move load of target-supports.exp earlier.
32 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
34 * configure.tgt (x86_64): Tune -m32 multilib to generic.
36 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
39 * configure: Regenerated.
41 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
44 * configure: Regenerate.
46 2014-10-06 Marek Polacek <polacek@redhat.com>
48 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
49 * testsuite/libitm.c/memset-1.c: Likewise.
51 2014-07-24 Richard Henderson <rth@redhat.com>
53 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
54 addressing mode in epilogue.
56 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
58 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
59 -mclear-hwcap instead.
60 * configure: Regenerate.
61 * clearcap.map: Remove.
63 2014-05-21 John Marino <gnugcc@marino.st>
65 * configure.tgt (*-*-dragonfly*): New target.
67 2014-05-19 Richard Henderson <rth@redhat.com>
69 * config/aarch64/sjlj.S: New file.
70 * config/aarch64/target.h: New file.
71 * configure.tgt: Enable aarch64.
73 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
75 * config/generic/asmcfi.h: Also check for
76 __GCC_HAVE_DWARF2_CFI_ASM.
78 2013-04-02 Richard Henderson <rth@redhat.com>
80 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
81 * config/arm/target.h, config/sh/target.h: Likewise.
82 * config/sparc/target.h, config/x86/target.h: Likewise.
84 2014-03-26 Jakub Jelinek <jakub@redhat.com>
86 * config/linux/futex_bits.h: Include errno.h.
87 (sys_futex0): If syscall returns -1, return -errno rather than
90 2014-03-26 Joseph Myers <joseph@codesourcery.com>
92 * libitm.texi (Index): Rename to Library Index.
94 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
97 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
98 (x86_avx.lo): Append -mavx to CXXFLAGS.
99 * Makefile.in: Regenerate.
101 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
103 Update copyright years
105 2014-01-02 Tobias Burnus <burnus@net-b.de>
107 * libitm.texi: Bump @copying's copyright year.
109 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
111 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
112 (FUNC): Define ELFv2 variant.
119 2013-09-20 Alan Modra <amodra@gmail.com>
121 * configure: Regenerate.
123 2013-08-30 Torvald Riegel <triegel@redhat.com>
125 * config/posix/rwlock.cc: Fix initialization order.
127 2013-08-30 Torvald Riegel <triegel@redhat.com>
129 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
130 (htm_fastpath): Assign an asm name.
131 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
133 (_ITM_actions): Likewise.
134 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
136 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
137 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
138 field to the start of the structure.
139 * config/linux/rwlock.h (gtm_rwlock): Update comments.
140 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
141 handling for custom HTM fast paths.
143 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
145 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
147 * configure.tgt: Add -msoft-float to XCFLAGS.
149 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
151 * configure.tgt: Add -msoft-float to XCFLAGS.
153 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
155 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
156 (htm_transaction_active): Enable zEC12 instructions in the
158 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
160 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
162 * acinclude.m4: Add htm asm check for s390.
163 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
164 * configure: Regenerate.
165 * config/s390/target.h: Remove __HTM__ check.
166 (htm_available): Call getauxval to get hwcaps and check whether
167 HTM is available or not.
169 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
171 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
172 * configure.ac: Use it.
173 (AC_CHECK_HEADERS): Check for sys/auxv.h.
174 (AC_CHECK_FUNCS): Check for getauxval.
175 * config.h.in, configure: Rebuild.
176 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
177 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
178 (USE_HTM_FASTPATH): Define.
179 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
180 _HTM_RETRIES) New macros.
181 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
182 htm_begin_success, htm_commit, htm_transaction_active): New functions.
184 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
186 * config/s390/target.h: Include htmintrin.h.
187 (_HTM_ITM_RETRIES): New macro definition.
188 (htm_available, htm_init, htm_begin, htm_begin_success)
189 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
191 2013-06-20 Iain Sandoe <iain@codesourcery.com>
192 Cesar Philippidis <cesar@codesourcery.com>
194 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
195 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
196 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
197 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
199 2013-06-20 Torvald Riegel <triegel@redhat.com>
201 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
202 (_ITM_getTransactionId): Same.
203 * config/x86/target.h (htm_transaction_active): New.
205 2013-06-20 Torvald Riegel <triegel@redhat.com>
208 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
211 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
214 * local_atomic (__always_inline): Always define our version.
215 (__calculate_memory_order): Mark inline.
216 (atomic_thread_fence): Ditto.
217 (atomic_signal_fence): Ditto.
218 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
219 (atomic_bool::atomic_flag_clear_explicit): Ditto.
220 (atomic_bool::atomic_flag_test_and_set): Ditto.
221 (atomic_bool::atomic_flag_clear): Ditto.
223 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
225 * config/s390/sjlj.S: New file.
226 * config/s390/target.h: New file.
227 * configure.tgt: Set options for S/390.
229 2013-03-23 Andi Kleen <ak@linux.intel.com>
231 * local_atomic (__always_inline): Add.
232 (__calculate_memory_order, atomic_thread_fence,
233 atomic_signal_fence, test_and_set, clear, store, load,
234 exchange, compare_exchange_weak, compare_exchange_strong,
235 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
236 Add __always_inline to force inlining.
238 2013-02-11 Iain Sandoe <iain@codesourcery.com>
239 Jack Howarth <howarth@bromo.med.uc.edu>
240 Patrick Marlier <patrick.marlier@gmail.com>
243 * alloc_cpp.cc: Enable function declarations on darwin.
244 * eh_cpp.cc: Likewise.
246 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
248 Update copyright years.
250 2012-11-09 Torvald Riegel <triegel@redhat.com>
252 * beginend.cc (htm_fastpath): New.
253 (gtm_thread::begin_transaction, _ITM_commitTransaction,
254 _ITM_commitTransactionEH): Add HTM fastpath handling.
255 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
256 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
257 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
258 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
259 * configure.tgt: Add -mrtm to XCFLAGS.
260 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
261 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
262 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
263 * retry.cc (parse_default_method): Add HTM method parsing.
264 (gtm_thread::number_of_threads_changed): Use HTM by default if
267 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
269 * configure: Regenerate.
271 2012-10-31 Richard Henderson <rth@redhat.com>
273 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
274 * configure.ac: Use it.
275 * config.h.in, configure: Rebuild.
276 * testsuite/Makefile.in: Rebuild.
278 2012-10-24 Torvald Riegel <triegel@redhat.com>
280 * libitm.texi: Clarify ABI requirements for data-logging functions.
282 2012-10-24 Torvald Riegel <triegel@redhat.com>
284 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
285 it requires serial mode instead of assuming that for certain
287 * dispatch.h (abi_dispatch::requires_serial): New.
288 (abi_dispatch::abi_dispatch): Adapt.
289 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
290 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
291 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
292 serial_dispatch::serial_dispatch,
293 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
295 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
297 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
298 and ia32 declarations some more.
299 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
301 2012-09-20 Jakub Jelinek <jakub@redhat.com>
304 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
305 * configure: Regenerate.
306 * Makefile.in: Regenerate.
308 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
310 * configure: Regenerated.
312 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
314 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
316 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
318 * eh_cpp.cc: Fix __cxa_end_catch declaration.
320 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
322 * configure: Regenerated.
324 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
327 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
330 2012-04-03 Tristan Gingold <gingold@adacore.com>
332 * configure: Regenerate.
334 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
337 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
339 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
341 * testsuite/lib/libitm.exp: load fortran-modules.exp
343 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
345 * configure.tgt (*-*-irix6*): Remove.
347 2012-03-13 Torvald Riegel <triegel@redhat.com>
350 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
353 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
355 * configure.tgt (*-*-osf*): Remove.
356 * configure: Regenerate.
358 2012-03-05 Torvald Riegel <triegel@redhat.com>
360 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
361 memtransfer/memset if size isn't larger than zero.
363 2012-03-02 Torvald Riegel <triegel@redhat.com>
365 * libitm.texi: Link to specification and add a usage example.
367 2012-02-24 Torvald Riegel <triegel@redhat.com>
369 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
370 default dispatch for more than 1 thread to ml_wt.
372 2012-02-20 Torvald Riegel <triegel@redhat.com>
374 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
376 2012-02-20 Torvald Riegel <triegel@redhat.com>
378 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
380 2012-02-20 Torvald Riegel <triegel@redhat.com>
382 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
383 serial mode corner cases made obsolete by prior gtm_rwlock changes.
384 (gl_wt_dispatch.rollback): Same.
386 2012-02-20 Torvald Riegel <triegel@redhat.com>
388 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
390 2012-02-20 Torvald Riegel <triegel@redhat.com>
392 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
393 for RfW src. Optimize number of calls to gtm_thr.
395 2012-02-20 Torvald Riegel <triegel@redhat.com>
397 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
399 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
400 (default_dispatch): Make atomic.
401 (GTM::gtm_thread::set_default_dispatch): Access atomically.
402 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
403 use decide_begin_dispatch() if default_dispatch might have changed.
404 (GTM::gtm_thread::number_of_threads_changed): Initialize
405 default_dispatch here.
407 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
408 Patrick Marlier <patrick.marlier@gmail.com>
411 * alloc_cpp.cc: No dummy definitions for darwin.
412 * eh_cpp.cc: Likewise.
414 2012-02-14 Richard Henderson <rth@redhat.com>
416 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
418 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
420 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
422 2012-02-14 Torvald Riegel <triegel@redhat.com>
424 * libitm_i.h (GTM::gtm_rwlog_entry): New.
425 (GTM::gtm_thread): Add read and write logs.
426 (GTM::dispatch_ml_wt): Declare.
427 * retry.cc (parse_default_method): Support ml_wt.
428 * method-ml.cc: New file.
429 * Makefile.am: Add method-ml.cc.
430 * Makefile.in: Regenerate.
432 2012-02-14 Torvald Riegel <triegel@redhat.com>
434 * dispatch.h (GTM::abi_dispatch::supports): New.
435 (GTM::method_group::reinit): New.
436 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
437 (GTM::gtm_thread::number_of_threads_changed): Check that the method
438 supports the current situation.
440 2012-02-14 Torvald Riegel <triegel@redhat.com>
442 * util.cc (GTM::xcalloc): New.
443 * common.h (GTM::xcalloc): Declare.
445 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
447 * config/sparc/target.h (cpu_relax): Read from CC register.
448 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
450 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
452 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
454 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
456 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
457 * config/sparc/cacheline.h: New file.
458 * config/sparc/target.h: Likewise.
459 * config/sparc/sjlj.S: Likewise.
460 * config/linux/sparc/futex_bits.h: Likewise.
462 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
464 * configure.ac (link_itm): Fix comment.
465 * configure: Regenerate.
466 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
468 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
471 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
472 Correct libgomp references.
474 2012-01-24 Torvald Riegel <triegel@redhat.com>
476 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
479 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
481 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
483 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
484 offset values. Do not copy return address. Decrement stack
486 (GTM_longjump) [__x86_64__]: Update offset values.
488 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
491 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
492 the first function argument to %eax.
494 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
496 * libitm.h (_ITM_getThreadnum): Remove.
497 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
499 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
501 * clearcap.map: New file.
502 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
503 * configure.ac: Call it.
504 Clear HWCAP_LDFLAGS if defaulting to -mavx.
505 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
506 * configure: Regenerate.
507 * Makefile.in: Regenerate.
508 * testsuite/Makefile.in: Regenerate.
510 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
513 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
514 include, exclude options.
516 2012-01-14 Torvald Riegel <triegel@redhat.com>
518 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
520 * containers.h (GTM::vector::set_size): New.
522 2012-01-14 Torvald Riegel <triegel@redhat.com>
525 * config/generic/tls.h (GTM::mask_stack_top): New.
526 (GTM::mask_stack_bottom): Declare.
527 * config/generic/tls.c (GTM::mask_stack_bottom): New.
528 * local.cc (gtm_undolog::rollback): Filter out any updates that
529 overlap the libitm stack. Add current transaction as parameter.
530 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
531 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
532 * testsuite/libitm.c/stackundo.c: New test.
534 2012-01-10 Richard Henderson <rth@redhat.com>
536 * libitm_i.h (_Unwind_DeleteException): Declare weak.
537 * eh_cpp.cc (_Unwind_DeleteException): Define for
538 !HAVE_ELF_STYLE_WEAKREF.
540 2012-01-08 Torvald Riegel <triegel@redhat.com>
542 * local.cc (GTM_LB): Use GTM::gtm_undolog.
543 (GTM::gtm_thread::drop_references_undolog): Remove.
544 (GTM::gtm_thread::commit_undolog,
545 GTM::gtm_thread::rollback_undolog): Move to ...
546 * libitm_i.h (GTM::gtm_undolog): ...here. New.
547 (GTM::gtm_undolog_entry): Remove.
548 (GTM::gtm_thread): Adapt.
549 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
550 (GTM::gtm_thread::trycommit): Adapt.
551 * method-serial.cc (serial_dispatch::log): Adapt.
552 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
553 (gl_wt_dispatch::store): Fix likely/unlikely.
554 * containers.h (GTM::vector::resize): Add additional_capacity
555 parameter and handle it.
556 (GTM::vector::resize_noinline): New/adapt.
557 (GTM::vector::push): New.
559 2012-01-06 Richard Henderson <rth@redhat.com>
561 * configure.tgt: Support powerpc-linux and powerpc-darwin.
562 * config/linux/powerpc/futex_bits.h: New file.
563 * config/powerpc/cacheline.h: New file.
564 * config/powerpc/sjlj.S: New file.
565 * config/powerpc/target.h: New file.
566 * config/generic/asmcfi.h (cfi_offset): New.
567 (cfi_restore, cfi_undefined): New.
569 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
572 * testsuite/libitm.c/reentrant.c: Remove xfail.
573 (thread): Pass x to pure().
574 From Patrik Marlier <patrick.marlier@gmail.com>.
576 2011-12-24 Torvald Riegel <triegel@redhat.com>
578 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
579 privatization safety if already in serial mode.
581 2011-12-24 Torvald Riegel <triegel@redhat.com>
583 * beginend.cc (GTM::gtm_thread::restart): Add and handle
584 finish_serial_upgrade parameter.
585 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
586 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
587 Don't unset reader flag.
588 (GTM::gtm_rwlock::write_upgrade_finish): New.
589 * config/posix/rwlock.cc: Same.
590 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
592 * config/posix/rwlock.h: Same.
593 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
594 flag after commit or after rollback when restarting.
596 2011-12-24 Torvald Riegel <triegel@redhat.com>
598 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
599 (GTM::gtm_thread::try_commit): Changed memory order.
600 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
602 * config/linux/x86/futex_bits.h (sys_futex0): Same.
603 * config/linux/sh/futex_bits.h (sys_futex0): Same.
604 * config/linux/futex_bits.h (sys_futex0): Same.
605 * config/linux/futex.cc (futex_wait, futex_wake): Same.
606 * config/linux/futex.h (futex_wait, futex_wake): Same.
607 * config/linux/rwlock.h (gtm_rwlock::writers,
608 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
610 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
611 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
612 gtm_rwlock::write_unlock): Fix memory orders and fences.
613 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
614 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
615 gtm_rwlock::write_unlock): Same.
616 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
617 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
618 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
620 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
621 gl_wt_dispatch::load, gl_wt_dispatch::store,
622 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
623 orders and fences. Add comments.
625 2011-12-21 Jakub Jelinek <jakub@redhat.com>
627 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
628 * Makefile.in: Regenerated.
630 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
632 * configure.tgt: Add sh* case.
633 * config/sh/target.h: New file.
634 * config/sh/sjlj.S: New file.
635 * config/linux/sh/futex_bits.h: New file.
637 2011-12-14 Richard Henderson <rth@redhat.com>
639 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
640 * config/arm/sjlj.S, config/arm/target.h: New files.
641 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
642 (cfi_rel_offset): New.
643 * config/linux/futex_bits.h: New file.
644 * config/linux/futex.cc: Include futex_bits.h here...
645 * config/linux/futex.h: ... not here.
646 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
647 * configure.ac (ARCH_AM): New conditional.
648 * Makefile.in, configure: Rebuild.
649 * configure.tgt: Handle ARM.
651 2011-12-13 Richard Henderson <rth@redhat.com>
653 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
654 signed/unsigned comparison werror.
656 * local_atomic: New file.
657 * libitm_i.h: Include it.
658 (gtm_thread::shared_state): Use atomic template.
659 * beginend.cc (GTM::gtm_clock): Use atomic template.
660 (global_tid): Use atomic template if 64-bit atomics available.
661 (gtm_thread::gtm_thread): Update shared_state access.
662 (gtm_thread::trycommit): Likewise.
663 (choose_code_path): Update global_tid access.
664 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
665 * stmlock.h (GTM::gtm_clock): Use atomic template.
666 (gtm_get_clock, gtm_inc_clock): Update accesses.
667 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
668 redundant __sync_synchronize after atomic shared_state access.
669 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
670 (gtm_rwlock::write_lock_generic): Likewise.
671 (gtm_rwlock::read_unlock): Likewise.
672 * config/alpha/target.h (atomic_read_barrier): Remove.
673 (atomic_write_barrier): Remove.
674 * config/x86/target.h (atomic_read_barrier): Remove.
675 (atomic_write_barrier): Remove.
677 2011-11-30 Richard Henderson <rth@redhat.com>
679 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
680 * beginend.c (_ITM_abortTransaction): Update to match.
681 (GTM::gtm_thread::restart): Likewise.
682 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
683 * config/x86/sjlj.S (GTM_longjmp): Likewise.
685 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
687 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
688 * Makefile.in: Regenerate.
690 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
692 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
693 * alloc_cpp.cc: Generate dummy functions if we don't
694 HAVE_ELF_STYLE_WEAKREF.
695 * eh_cpp.cc: Likewise.
696 * configure: Regenerate.
697 * aclocal.m4: Likewise.
698 * config.h.in: Likewise.
699 * Makefile.in: Likewise.
700 * testsuite/Makefile.in: Likewise.
702 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
704 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
705 __USER_LABEL_PREFIX__ for targets that use it.
706 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
707 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
708 in portability to non-elf targets.
709 (GTM_longjmp): Likewise.
710 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
713 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
715 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
716 * testsuite/libitm.c/memset-1.c: Likewise.
718 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
720 * configure: Regenerate.
722 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
724 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
725 (LIBITM_ENABLE_SYMVERS): Handle sun style.
726 * Makefile.am: Handle sun style versioning.
727 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
728 * configure: Regenerate.
729 * Makefile.in: Regenerate.
731 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
733 * config/generic/asmcfi.h: Fix comment.
734 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
735 sequence without .hidden support, error for non-ELF targets.
736 (GTM_longjmp) [__ELF__]: Only use .hidden if
737 HAVE_ATTRIBUTE_VISIBILITY.
739 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
741 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
742 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
744 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
745 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
747 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
750 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
751 * configure: Regenerate.
753 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
755 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
757 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
759 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
761 (.note.GNU-stack): Only use if __linux__.
762 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
763 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
764 * testsuite/libitm.c/reentrant.c: Likewise.
765 * testsuite/libitm.c/simple-2.c: Likewise.
766 * testsuite/libitm.c/txrelease.c: Likewise.
767 * testsuite/libitm.c++/static_ctor.C: Likewise.
769 2011-11-10 Richard Henderson <rth@redhat.com>
771 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
772 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
773 * configure.ac (ARCH_X86_AVX): New conditional.
774 * Makefile.in, configure: Rebuild.
776 2011-11-09 Richard Henderson <rth@redhat.com>
778 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
779 * configure.ac: Use it.
780 * config.h.in, configure: Rebuild.
781 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
783 2011-11-09 Richard Henderson <rth@redhat.com>
785 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
786 * config/alpha/unaligned.h: Remove file.
787 * config/generic/unaligned.h: Remove file.
788 * config/x86/unaligned.h: Remove file.
789 * config/generic/cachepage.h: Remove file.
790 * config/posix/cachepage.cc: Remove file.
791 * config/generic/cacheline.cc: Remove file.
792 * config/x86/cacheline.cc: Remove file.
793 * config/generic/cacheline.h (gtm_cacheline): Remove the
794 store_mask, copy_mask, copy_mask_wb methods.
795 * config/x86/cacheline.h: Likewise.
796 * config/alpha/cacheline.h: Fall back to generic after setting size.
797 * config/generic/tls.cc (gtm_mask_stack): Remove.
798 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
799 (GTM_vpalignr_table): Remove.
800 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
801 (GTM_pshift_table): Remove.
802 * config/libitm_i.h: Don't include cachepage.h.
803 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
804 * Makefile.in, testsuite/Makefile.in: Rebuild.
806 2011-11-09 Richard Henderson <rth@redhat.com>
808 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
809 to emit branch prediction hint.
811 * config/x86/sjlj.S: Protect elf directives with __ELF__.
812 Protect .note.GNU-stack with __linux__.
814 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
815 * configure, aclocal.m4, config.h.in: Rebuild.
816 * config/generic/asmcfi.h: New file.
817 * config/x86/sjlj.S: Use it.
819 2011-11-08 Richard Henderson <rth@redhat.com>
821 * local.cc (_ITM_LB): Use a normal call, not a function alias.
823 2011-11-08 Richard Henderson <rth@redhat.com>
825 * configure.tgt: Test correct directory for supported cpus.
827 * configure.ac: Exit if unsupported.
828 * configure: Rebuild.
829 * configure.tgt: Delete boilerplate from libgomp for unsupported
830 targets. Set UNSUPPORTED for unsupported targets.
832 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
834 * configure.tgt: Handle i386 like i[456]86.
835 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
837 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
838 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
840 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
842 * method-wbetl.cc: Update copyright notice.
849 * useraction.cc: Same.
853 * config/generic/tls.cc: Same.
854 * config/generic/cacheline.h: Same.
855 * config/generic/cachepage.h: Same.
856 * config/generic/cacheline.cc: Same.
857 * config/generic/unaligned.h: Same.
858 * config/x86/cacheline.h: Same.
859 * config/x86/cacheline.cc: Same.
860 * config/x86/unaligned.h: Same.
861 * config/alpha/cacheline.h: Same.
862 * config/alpha/unaligned.h: Same.
863 * config/alpha/sjlj.S: Same.
864 * config/posix/cachepage.cc: Same.
865 * config/linux/futex.h: Same.
866 * config/linux/alpha/futex_bits.h: Same.
868 2011-11-04 Torvald Riegel <triegel@redhat.com>
870 * libitm.texi: No cover text and invariant sections.
872 2011-11-03 Richard Henderson <rth@redhat.com>
874 * local_type_traits: New file.
875 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
877 2011-11-03 Richard Henderson <rth@redhat.com>
879 * configure.ac: Don't test for gfortran.
880 * configure: Rebuild.
882 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
883 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
885 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
887 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
888 * testsuite/libitm.c/memset-1.c: Same.
889 * testsuite/libitm.c/c.exp: Same.
890 * testsuite/lib/libitm-dg.exp: Same.
891 * testsuite/lib/libitm.exp: Same.
892 * testsuite/libitm.c++/c++.exp: Same.
894 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
896 * testsuite/config/default.exp: Update copyright date.
897 * configure.ac: Add copyright info.
898 * configure.tgt: Same.
900 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
902 * testsuite/libitm.c/reentrant.c: XFAIL.
903 * testsuite/libitm.c++/static_ctor.C: XFAIL.
905 2011-10-29 Torvald Riegel <triegel@redhat.com>
907 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
909 (_ITM_abortTransaction): Handle aborts of outer transactions.
911 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
912 * libitm.texi: Document aborts of outer transactions.
913 * testsuite/libitm.c/cancel.c: New file.
915 2011-10-19 Torvald Riegel <triegel@redhat.com>
917 * testsuite/*: Change __transaction to __transaction_atomic or
918 __transaction_relaxed.
920 2011-10-19 Torvald Riegel <triegel@redhat.com>
922 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
925 2011-10-19 Torvald Riegel <triegel@redhat.com>
927 * libitm_i.h: Add gl_wt dispatch.
928 * retry.cc (parse_default_method): Same.
929 * method-gl.cc: New file.
930 * Makefile.am: Use method-gl.cc.
931 * Makefile.in: Rebuild.
933 2011-10-19 Torvald Riegel <triegel@redhat.com>
935 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
936 safety if requested by a TM method.
937 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
938 privatization safety.
939 * method-serial.cc: Same.
941 2011-10-19 Torvald Riegel <triegel@redhat.com>
943 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
944 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
945 undolog-related member functions from *_local to *_undolog.
946 * local.cc (gtm_thread::commit_undolog): Same.
947 * beginend.cc (GTM::gtm_thread::trycommit): Same.
948 (GTM::gtm_thread::rollback): Roll back undolog before
949 dispatch-specific rollback.
951 2011-10-19 Torvald Riegel <triegel@redhat.com>
953 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
954 re-initialization of the current method group.
955 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
957 2011-10-19 Torvald Riegel <triegel@redhat.com>
959 * alloc.cc (commit_allocations_2): Do not free transaction-local
960 memory when committing a nested transaction.
962 2011-10-19 Torvald Riegel <triegel@redhat.com>
964 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
965 serial-irrevocable dispatch, not serial.
967 2011-10-19 Torvald Riegel <triegel@redhat.com>
969 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
971 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
972 * method-serial.cc: Implement begin_or_restart().
973 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
974 dispatch-specific begin_or_restart().
975 (GTM::gtm_thread::restart): Same.
977 2011-08-23 Torvald Riegel <triegel@redhat.com>
979 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
980 restarting without switching to serial mode.
981 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
982 transaction state. Choose closed-nesting alternative if available.
983 (GTM::gtm_thread::set_default_dispatch): New.
984 (parse_default_method): New.
985 (GTM::gtm_thread::number_of_threads_changed): New.
986 * method-serial.cc (GTM::serial_mg): New method group class.
987 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
989 (GTM::serial_dispatch): Same.
990 (GTM::serialirr_onwrite_dispatch): Same.
991 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
992 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
994 (GTM::gtm_thread::gtm_thread): Same.
995 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
996 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
997 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
998 choose dispatch but set state according to dispatch here.
999 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1000 (GTM::method_group): New class.
1001 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1002 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1003 * libitm.texi: Document TM methods, method groups, method life cycle.
1004 Rename method sets to method groups.
1006 2011-08-23 Torvald Riegel <triegel@redhat.com>
1008 * config/x86/tls.h: Moved to ...
1009 * config/linux/x86/tls.h: ... here.
1011 2011-08-23 Torvald Riegel <triegel@redhat.com>
1013 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1015 * config/x86/sjlj.S: Same.
1017 2011-08-19 Torvald Riegel <triegel@redhat.com>
1019 * config/linux/rwlock.h: New file.
1020 * config/linux/rwlock.c: New file.
1021 * configure.ac: Reenable futex support (undo SVN rev 157758).
1022 * Makefile.am: Same.
1023 * configure.tgt: Same.
1024 * config/linux/alpha/futex_bits.h: Same.
1025 * config/linux/futex.h: Same. Return number of woken processes.
1026 * config/linux/futex.cc: Same.
1027 (futex_wait): Remove spinning.
1028 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1029 Use __x86_64__ instead of __LP64__.
1030 * aclocal.m4: Include generic futex checks.
1031 * configure: Rebuild.
1032 * Makefile.in: Rebuild.
1033 * testsuite/Makefile.in: Rebuild.
1034 * beginend.cc: Include pthread.h.
1035 * config/posix/cachepage.cc: Same.
1037 2011-08-12 Torvald Riegel <triegel@redhat.com>
1039 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1040 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1042 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1044 (GTM::gtm_thread::thread_num): Removed.
1045 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1046 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1047 tx-to-thread renaming.
1048 * beginend.cc: Adapted to tx-to-thread renaming.
1049 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1050 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1051 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1052 gtm_transaction to gtm_thread.
1053 (_ITM_getThreadnum): Removed. Not supported anymore.
1054 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1055 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1056 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1057 gtm_tx-to-gtm_thr renaming if necessary.
1064 * alloc_cpp.cc: Same.
1065 * method-serial.cc: Same.
1066 * config/generic/tls.cc: Same.
1067 * config/posix/rwlock.h (gtm_rwlock): Same.
1068 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1070 2011-08-12 Torvald Riegel <triegel@redhat.com>
1072 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1074 (gtm_rwlock::read_unlock): Same.
1075 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1076 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1077 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1078 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1079 w_upgrade. Replaced by per-transaction flags (in shared_state).
1080 Added c_confirmed_writers.
1081 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1082 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1083 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1084 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1085 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1086 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1087 * libitm.texi: Document locking conventions and implementations in
1090 2011-08-12 Torvald Riegel <triegel@redhat.com>
1092 * libitm_i.h (next_tx): Add list of all threads' transaction.
1093 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1094 transaction with list of transactions and ...
1095 (thread_exit_handler): ... deregister here.
1096 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1097 * config/x86/target.h: Same.
1099 2011-08-12 Torvald Riegel <triegel@redhat.com>
1101 * testsuite/libitm.c++/static_ctor.C: New file.
1103 2011-08-12 Torvald Riegel <triegel@redhat.com>
1105 * testsuite/libitm.c/reentrant.c: New file.
1107 2011-08-12 Torvald Riegel <triegel@redhat.com>
1109 * config/generic/tls.h: Remove the free list for transactions and ...
1110 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1111 (GTM::gtm_transaction::operator delete): ... and release here.
1112 (thread_exit_handler): New. Delete tx when thread terminates.
1113 (thread_exit_init): New.
1114 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1115 * testsuite/libitm.c/txrelease.c: New file.
1117 2011-08-12 Torvald Riegel <triegel@redhat.com>
1119 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1120 * testsuite/libitm.c/notx.c: New file.
1122 2011-08-12 Torvald Riegel <triegel@redhat.com>
1124 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1125 * libitm_i.h (local_tid): ... to here.
1126 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1127 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1129 2011-08-12 Torvald Riegel <triegel@redhat.com>
1131 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1132 serialirr_onwrite_dispatch as new default for now.
1133 * method-serial.cc (serialirr_onwrite_dispatch): New.
1134 (GTM::dispatch_serialirr_onwrite): New.
1137 2011-08-12 Torvald Riegel <triegel@redhat.com>
1139 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1140 * query.cc (_ITM_getTransactionId): There is no active transaction if
1141 the current nesting level is zero.
1143 2011-07-28 Torvald Riegel <triegel@redhat.com>
1145 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1148 2011-07-28 Torvald Riegel <triegel@redhat.com>
1150 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1151 transaction properties from the caller instead of from the
1154 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1156 2011-07-28 Torvald Riegel <triegel@redhat.com>
1158 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1159 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1161 * method-serial.cc: Same.
1162 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1163 flat nesting as default, and closed nesting on demand.
1164 (GTM::gtm_transaction::rollback): Same.
1165 (_ITM_abortTransaction): Same.
1166 (GTM::gtm_transaction::restart): Same.
1167 (GTM::gtm_transaction::trycommit): Same.
1168 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1169 (choose_code_path): New.
1170 (GTM::gtm_transaction_cp::save): New.
1171 (GTM::gtm_transaction_cp::commit): New.
1172 * query.cc (_ITM_inTransaction): Support flat nesting.
1173 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1174 (GTM::gtm_transaction): Support flat and closed nesting.
1175 * alloc.cc (commit_allocations_2): New.
1176 (commit_cb_data): New helper struct.
1177 (GTM::gtm_transaction::commit_allocations): Handle nested
1179 * libitm.texi: Update user action section, add description of nesting.
1181 2011-07-28 Torvald Riegel <triegel@redhat.com>
1183 * libitm_i.h: Add closed nesting as restart reason.
1184 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1186 2011-07-28 Torvald Riegel <triegel@redhat.com>
1188 * useraction.cc: Use vector instead of list to store actions.
1189 Also support partial rollbacks for closed nesting.
1190 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1191 * beginend.cc: Same.
1193 2011-07-28 Torvald Riegel <triegel@redhat.com>
1195 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1196 closed_nesting flags, as well as a closed nesting alternative.
1197 * method-serial.cc: Same.
1198 (serial_dispatch): Renamed to serialirr_dispatch.
1199 (GTM::dispatch_serialirr): Same.
1200 (serial_dispatch_ul): Renamed to serial_dispatch.
1201 (GTM::dispatch_serial): Same.
1203 2011-07-28 Torvald Riegel <triegel@redhat.com>
1205 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1207 2011-07-28 Torvald Riegel <triegel@redhat.com>
1209 * aatree.h (aa_tree::remove): New.
1210 (aa_tree::operator new): Add placement new.
1212 2011-07-02 Torvald Riegel <triegel@redhat.com>
1214 * containers.h: New file.
1215 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1216 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1217 * common.h: ... to here.
1218 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1221 2011-06-30 Torvald Riegel <triegel@redhat.com>
1223 * libitm_i.h (STATE_ABORTING): Remove.
1224 * beginend.cc (_ITM_abortTransaction): Same.
1225 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1226 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1227 (_ITM_rollbackTransaction): Remove.
1228 * beginend.cc: Same.
1230 * libitm.texi: Document these ABI changes.
1232 2011-06-30 Torvald Riegel <triegel@redhat.com>
1234 * libitm.texi: New file.
1235 * Makefile.am: Add libitm.texi.
1236 * Makefile.in: Rebuild.
1238 2011-06-30 Torvald Riegel <triegel@redhat.com>
1240 * libitm_i.h: Move parts to common.h and dispatch.h.
1241 * common.h: New file.
1242 * dispatch.h: New file, new dispatch class.
1243 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1244 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1245 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1246 decision to retry.cc.
1247 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1249 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1250 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1252 * barrier.cc: Use new barriers definitions.
1253 (abi_dispatch::memmove_overlap_check): New.
1254 * config/x86/x86_sse.cc: Same.
1255 * config/x86/x86_avx.cc: Same.
1256 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1258 * Makefile.in: Rebuild.
1259 * method-readonly.cc: Remove.
1260 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1261 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1263 2011-06-30 Torvald Riegel <triegel@redhat.com>
1265 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1266 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1267 * testsuite/libitm.c/dropref-2.c: Same.
1268 * testsuite/libitm.c/dropref.c: Same.
1270 2011-06-30 Torvald Riegel <triegel@redhat.com>
1272 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1273 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1274 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1276 * barrier.tpl: Same.
1278 * config/generic/tls.h: Same.
1279 * config/x86/tls.h: Same.
1283 * method-readonly.cc: Same.
1284 * method-serial.cc: Same.
1285 * method-wbetl.cc: Same.
1288 2011-03-03 Richard Henderson <rth@redhat.com>
1290 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1291 From Patrik Marlier <patrick.marlier@unine.ch>.
1293 2011-02-03 Richard Henderson <rth@redhat.com>
1295 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1296 * configure.ac: Use it.
1297 * configure, config.h.in: Rebuild.
1298 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1299 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1300 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1301 * libitm.map: Use wildcards to match size_t mangling.
1303 2010-12-14 Richard Henderson <rth@redhat.com>
1305 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1306 blocks of TIDs per thread.
1307 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1308 (setup_gtm_thr): Return the thread structure.
1309 * config/x86/tls.h (setup_gtm_thr): Likewise.
1311 2010-12-14 Richard Henderson <rth@redhat.com>
1313 * clone.cc (table_lock): Remove.
1314 (find_clone): Don't take it.
1315 (ExcludeTransaction): New helper class.
1316 (_ITM_registerTMCloneTable): Use it.
1317 (_ITM_deregisterTMCloneTable): Likewise.
1319 2010-12-14 Richard Henderson <rth@redhat.com>
1321 * config/x86/tls.h: New file.
1323 2010-07-15 Richard Henderson <rth@redhat.com>
1325 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1326 * Makefile.in: Rebuild.
1328 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1330 * method-wbetl.cc (trydropreference): Fix source line.
1332 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1334 * libitm.h: Add comment.
1335 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1337 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1339 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1340 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1341 available, use pthread mutexes.
1342 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1343 * config.h.in: Regenerate.
1344 * configure: Regenerate.
1346 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1348 * libitm.h (ITM_PURE): Define.
1349 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1351 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1353 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1354 (validate): Add comment.
1355 (trydropreference): New.
1356 * method-readonly.cc (class readonly_dispatch): Add
1358 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1359 Call trydropreference().
1360 * libitm.h (_ITM_dropReferences): Remove const attribute.
1361 * method-serial.cc (class serial_dispatch): Add trydropreference.
1362 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1364 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1366 * memcpy.cc (do_memcpy): Comment.
1368 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1370 * barrier.tpl: Add comments throughout.
1372 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1374 * method-wbetl.cc (struct w_entry): Add comments.
1378 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1380 * alloc_c.cc (_ITM_dropReferences): New.
1381 * libitm.map (_ITM_dropReferences): Add.
1382 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1383 * libitm_i.h (struct gtm_transaction): Declare
1384 drop_references_allocations and drop_references_local.
1385 * local.cc (rollback_local): Ignore memory when applicable.
1386 (drop_references_local): New.
1388 2010-06-23 Richard Henderson <rth@redhat.com>
1390 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1391 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1392 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1393 * config/alpha/target.h: Likewise.
1394 * config/generic/tls.cc (gtm_mask_stack): Use it.
1396 2010-06-23 Richard Henderson <rth@redhat.com>
1398 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1399 a mutex instead of trying a lock-free compare-and-swap on the list.
1400 (gtm_cacheline_page::operator delete): Likewise.
1402 2010-06-16 Richard Henderson <rth@redhat.com>
1404 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1405 that overlap the libitm stack.
1406 * barrier.tpl: Mark incoming stack.
1407 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1408 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1409 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1410 * memcpy.cc, memset.cc: Likewise.
1411 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1412 * config/generic/tls.h (gtm_thread): Add stack_top member.
1413 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1414 * libitm_i.h (gtm_mask_stack): Declare.
1415 * config/generic/tls.cc: New file.
1416 * Makefile.am (libitm_la_SOURCES): Add it.
1417 (AM_CXXFLAGS): Turn off exceptions.
1418 * Makefile.in: Rebuild.
1420 2010-06-16 Richard Henderson <rth@redhat.com>
1422 * alloc.cc (struct gtm_alloc_action): Move definition ...
1423 * libitm_i.h: ... here.
1424 (class gtm_transaction): Declare new and delete.
1425 * beginend.cc (alloc_tx): Reformulate as operator new.
1426 (free_tx): Reformulate as operator delete.
1427 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1429 2010-06-11 Richard Henderson <rth@redhat.com>
1431 * clone.cc (clone_entry_compare): Fix typo.
1432 From Patrik Marlier <patrick.marlier@unine.ch>.
1434 2010-05-13 Richard Henderson <rth@redhat.com>
1436 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1439 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1441 * libitm_i.h (struct gtm_transaction): Remove
1442 get_allocation_size.
1443 (record_allocation): Remove size parameter.
1444 * libitm.map (_ITM_realloc): Remove.
1445 * alloc_c.cc (_ITM_realloc): Remove.
1446 (_ITM_malloc): Remove size argument to record_allocation.
1447 (_ITM_calloc): Same.
1448 * alloc_cpp.cc (_ZGTtnwm): Same.
1449 (_ZGTtnwmRKSt9nothrow_t): Same.
1451 (_ZGTtnamRKSt9nothrow_t): Same.
1452 * alloc.cc (struct gtm_alloc_action): Remove size.
1453 (get_allocation_size): Remove.
1454 (commit_allocations): Add comment.
1455 (record_allocation): Remove size parameter.
1456 (forget_allocation): Remove set of size.
1458 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1460 * Makefile.am (abi_version): New.
1461 (AM_CXXFLAGS): Pass abi_version.
1462 * Makefile.in: Regenerate.
1463 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1465 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1467 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1468 _ITM_getTMCloneOrIrrevokable.
1469 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1470 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1472 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1474 * configure.ac: Remove Linux futex support.
1475 * configure.tgt (config_path): Same.
1476 * Makefile.am: Same.
1477 * config/linux: Remove entire directory.
1478 * configure: Rebuild.
1479 * Makefile.in: Rebuild.
1480 * testsuite/Makefile.in: Rebuild.
1482 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1484 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1485 switching to serial mode.
1486 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1488 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1490 * configure.tgt: Add emacs -*- tags.
1491 * barrier.tpl: Same.
1493 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1495 * Makefile.am: Rename serial.cc to method-serial.cc.
1496 * Makefile.in: Regenerate with automake 1.11.1.
1497 * testsuite/Makefile.in: Same.
1498 * aclocal.m4: Regenerate with aclocal 1.11.1.
1499 * method-serial.cc: Rename from serial.cc.
1500 * libitm_i.h (struct gtm_transaction): Update comment on
1503 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1505 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1506 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1508 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1510 * configure: Rebuild.
1512 2009-11-12 Richard Henderson <rth@redhat.com>
1514 * Rewrite everything in C++.
1516 2009-11-03 Richard Henderson <rth@redhat.com>
1518 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1519 * Makefile.am (libitm_la_SOURCES): Add them.
1520 * configure.ac (ARCH_X86): New conditional.
1521 * Makefile.in, configure: Rebuild.
1522 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1523 Move futex setup into "other system configury" case.
1524 * local.c (rollback_local): Merge into ...
1525 (GTM_rollback_local): ... here.
1526 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1527 (_ITM_LB): Define as an alias to GTM_LB.
1529 2009-11-03 Richard Henderson <rth@redhat.com>
1531 * method-readonly.c: New file.
1532 * Makefile.am (libitm_la_SOURCES): Add it.
1533 * Makefile.in: Rebuild.
1534 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1535 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1536 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1537 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1538 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1539 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1540 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1541 gtm_get_clock, gtm_inc_clock): New.
1542 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1543 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1544 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1545 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1546 replace uses with new libitm_i.h symbols.
1547 (dispatch_wbetl): Rename from wbetl_dispatch.
1548 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1549 away from dispatch_readonly; abort if the beginTransaction call
1550 asserted that the transaction was readonly.
1552 2009-11-03 Richard Henderson <rth@redhat.com>
1554 * memset.c: New file.
1555 * Makefile.am (libitm_la_SOURCES): Add it.
1556 * Makefile.in: Rebuild.
1557 * testsuite/libitm.c/memset-1.c: New.
1559 2009-11-03 Richard Henderson <rth@redhat.com>
1561 * dispatch.c: Remove file.
1562 * useraction.c (struct gtm_user_action): Move from libitm.h.
1563 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1564 (serial_memset, serial_memmove, serial_memcpy): Remove.
1565 (serial_W*, serial_R*): Remove.
1566 (serial_dispatch): Update to match.
1567 * configure.ac: Move Werror down below configure checks. Don't
1568 check for sys/loadavg.h, do check for malloc.h. Don't check for
1569 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1570 Use GCC_AC_FUNC_MMAP_BLACKLIST
1571 * libitm.h: Split out all internal items to...
1572 * libitm_i.h: ... here. New file.
1573 * copymask.c: New file.
1574 * local.c (struct gtm_local_undo): Move from libitm.h.
1575 (GTM_alloc_local): Rename from alloc_local; export.
1576 * memcpy.c: New file.
1577 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1578 * config/posix/page.c: New file.
1579 * config/posix/target_tls.h: Remove file.
1580 * barrier.c: New file.
1581 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1583 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1584 * method-wbetl.c: Rewrite for new cacheline methods.
1585 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1587 * config/alpha/sjlj.S: Fix typo.
1588 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1589 * config/alpha/copymask.c: New file.
1590 * config/alpha/target.h (CACHELINE_SIZE): New.
1591 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1593 * config/x86/target_i.h: Copy functions from x86/target.h.
1594 * config/x86/copymask.c: New file.
1595 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1596 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1597 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1598 * config/x86/target_tls.h: Move contents to target_i.h.
1600 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1601 * testsuite/libitm.c/memcpy-1.c: New.
1603 2009-10-22 Richard Henderson <rth@redhat.com>
1605 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1606 (AM_CCASFLAGS): New.
1607 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1608 saving/restoring _AC_ARG_VAR_PRECIOUS.
1609 * Makefile.in, aclocal.m4, config.h.in, configure,
1610 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1612 2009-10-22 Richard Henderson <rth@redhat.com>
1614 * testsuite/*: Update for new compiler syntax.
1616 2009-10-21 Richard Henderson <rth@redhat.com>
1618 * libitm.h (_ITM_abortReason): Add outerAbort.
1620 2009-08-03 Richard Henderson <rth@redhat.com>
1622 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1623 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1624 * method-wbetl.c (struct w_entry): Remove mask.
1625 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1628 2009-07-22 Richard Henderson <rth@redhat.com>
1630 * eh_cpp.c: New file.
1631 * Makefile.am (libitm_la_SOURCES): Add it.
1632 * Makefile.in: Rebuild.
1633 * beginend.c (GTM_rollback_transaction): Undo exception state.
1634 (GTM_trycommit_transaction): Mark inline.
1635 (GTM_trycommit_and_finalize_transaction): Split out from ...
1636 (_ITM_commitTransaction): ... here.
1637 (_ITM_commitTransactionEH): New function.
1638 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1639 cxa_unthrown, eh_in_flight; reorder.
1641 * testsuite/libitm.c++/c++.exp: New.
1642 * testsuite/libitm.c++/eh-1.C: New.
1644 * aatree.c (aa_free): Remove REGPARM.
1645 * aatree.h: Remove all REGPARM.
1647 2009-07-18 Richard Henderson <rth@redhat.com>
1649 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1650 * Makefile.am (libitm_la_SOURCES): Add them.
1651 * Makefile.in: Rebuild.
1652 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1653 (GTM_trycommit_transaction): Likewise.
1654 * libitm.h: Include aatree.h
1655 (struct gtm_alloc_action): New.
1656 (struct gtm_transaction): Add alloc_actions.
1657 (GTM_record_allocation, GTM_forget_allocation): Declare.
1658 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1659 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1660 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1661 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1662 _ZGTtdaPvRKSt9nothrow_t): Export.
1664 2009-07-18 Richard Henderson <rth@redhat.com>
1666 * target_tls.h: Move ...
1667 * config/posix/target_tls.h: ... here.
1669 2009-07-07 Richard Henderson <rth@redhat.com>
1671 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1673 2009-07-07 Richard Henderson <rth@redhat.com>
1677 2009-07-07 Richard Henderson <rth@redhat.com>
1679 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1680 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1682 * configure.tgt: Don't use -ftls-model for x86 linux.
1683 * libitm.h: Include target.h after standard includes.
1684 (_gtm_thr): Rename from gtm_thr.
1685 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1686 (gtm_disp, set_gtm_disp): New.
1687 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1688 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1689 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1691 2009-07-07 Richard Henderson <rth@redhat.com>
1693 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1695 2009-07-06 Richard Henderson <rth@redhat.com>
1697 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1698 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1699 (_ITM_beginTransaction): Take variadic arguments.
1700 (_ITM_registerThrownObject): Declare.
1701 * beginend.c, serial.c: Update.
1702 * libitm.map: Add _ITM_registerThrownObject.
1704 2009-01-28 Richard Henderson <rth@redhat.com>
1706 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1707 * Makefile.in: Rebuild.
1708 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1709 (GTM_restart_transaction): Fix uninstrumented code check.
1710 * retry.c (GTM_decide_retry_strategy): Add serial check.
1711 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1712 automatically go irrevokable when in serial mode.
1713 * clone.c: New file.
1714 * libitm.h, libitm.map: Update.
1716 2009-01-27 Richard Henderson <rth@redhat.com>
1718 * Makefile.am (LTCCASCOMPILE): Define.
1719 (libitm_la_SOURCES): Add methid-wbetl.c.
1720 * testsuite/Makefile.am: New
1721 * configure.ac: Add testsuite/Makefile.
1722 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1723 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1724 (_ITM_abortTransaction): Finalize implementation method; pass
1725 transaction properties to longjmp.
1726 (GTM_restart_transaction): Split out from ...
1727 (_ITM_commitTransaction): ... here.
1728 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1729 Move to config/x86/target.h.
1730 * config/linux/alpha/futex_bits.h: New.
1731 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1732 * config/x86/target.h: Disable target types for 32-bit.
1733 * config/alpha/sjlj.S, config/alpha/target.h: New.
1734 * libitm.h (struct gtm_dispatch): Add init, fini.
1735 (enum restart_reason): New.
1736 (struct gtm_transaction): Add method and restarts.
1737 * retry.c (GTM_decide_retry_strategy): Implement.
1738 * serial.c (serial_init, serial_fini): New.
1739 (GTM_serialmode): Finialize outgoing method.
1740 * method-wbetl.c: New.
1742 2008-12-09 Richard Henderson <rth@redhat.com>
1744 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1745 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1746 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1747 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1748 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1749 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1750 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1751 * serial.c (serial_R##T, serial_W##T): Likewise.
1753 2008-11-21 Richard Henderson <rth@redhat.com>