1 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
4 * local_atomic (__always_inline): Always define our version.
5 (__calculate_memory_order): Mark inline.
6 (atomic_thread_fence): Ditto.
7 (atomic_signal_fence): Ditto.
8 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
9 (atomic_bool::atomic_flag_clear_explicit): Ditto.
10 (atomic_bool::atomic_flag_test_and_set): Ditto.
11 (atomic_bool::atomic_flag_clear): Ditto.
13 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
15 * config/s390/sjlj.S: New file.
16 * config/s390/target.h: New file.
17 * configure.tgt: Set options for S/390.
19 2013-03-23 Andi Kleen <ak@linux.intel.com>
21 * local_atomic (__always_inline): Add.
22 (__calculate_memory_order, atomic_thread_fence,
23 atomic_signal_fence, test_and_set, clear, store, load,
24 exchange, compare_exchange_weak, compare_exchange_strong,
25 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
26 Add __always_inline to force inlining.
28 2013-02-11 Iain Sandoe <iain@codesourcery.com>
29 Jack Howarth <howarth@bromo.med.uc.edu>
30 Patrick Marlier <patrick.marlier@gmail.com>
33 * alloc_cpp.cc: Enable function declarations on darwin.
34 * eh_cpp.cc: Likewise.
36 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
38 Update copyright years.
40 2012-11-09 Torvald Riegel <triegel@redhat.com>
42 * beginend.cc (htm_fastpath): New.
43 (gtm_thread::begin_transaction, _ITM_commitTransaction,
44 _ITM_commitTransactionEH): Add HTM fastpath handling.
45 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
46 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
47 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
48 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
49 * configure.tgt: Add -mrtm to XCFLAGS.
50 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
51 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
52 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
53 * retry.cc (parse_default_method): Add HTM method parsing.
54 (gtm_thread::number_of_threads_changed): Use HTM by default if
57 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
59 * configure: Regenerate.
61 2012-10-31 Richard Henderson <rth@redhat.com>
63 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
64 * configure.ac: Use it.
65 * config.h.in, configure: Rebuild.
66 * testsuite/Makefile.in: Rebuild.
68 2012-10-24 Torvald Riegel <triegel@redhat.com>
70 * libitm.texi: Clarify ABI requirements for data-logging functions.
72 2012-10-24 Torvald Riegel <triegel@redhat.com>
74 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
75 it requires serial mode instead of assuming that for certain
77 * dispatch.h (abi_dispatch::requires_serial): New.
78 (abi_dispatch::abi_dispatch): Adapt.
79 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
80 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
81 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
82 serial_dispatch::serial_dispatch,
83 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
85 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
87 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
88 and ia32 declarations some more.
89 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
91 2012-09-20 Jakub Jelinek <jakub@redhat.com>
94 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
95 * configure: Regenerate.
96 * Makefile.in: Regenerate.
98 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
100 * configure: Regenerated.
102 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
104 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
106 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
108 * eh_cpp.cc: Fix __cxa_end_catch declaration.
110 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
112 * configure: Regenerated.
114 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
117 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
120 2012-04-03 Tristan Gingold <gingold@adacore.com>
122 * configure: Regenerate.
124 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
127 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
129 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
131 * testsuite/lib/libitm.exp: load fortran-modules.exp
133 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
135 * configure.tgt (*-*-irix6*): Remove.
137 2012-03-13 Torvald Riegel <triegel@redhat.com>
140 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
143 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
145 * configure.tgt (*-*-osf*): Remove.
146 * configure: Regenerate.
148 2012-03-05 Torvald Riegel <triegel@redhat.com>
150 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
151 memtransfer/memset if size isn't larger than zero.
153 2012-03-02 Torvald Riegel <triegel@redhat.com>
155 * libitm.texi: Link to specification and add a usage example.
157 2012-02-24 Torvald Riegel <triegel@redhat.com>
159 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
160 default dispatch for more than 1 thread to ml_wt.
162 2012-02-20 Torvald Riegel <triegel@redhat.com>
164 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
166 2012-02-20 Torvald Riegel <triegel@redhat.com>
168 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
170 2012-02-20 Torvald Riegel <triegel@redhat.com>
172 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
173 serial mode corner cases made obsolete by prior gtm_rwlock changes.
174 (gl_wt_dispatch.rollback): Same.
176 2012-02-20 Torvald Riegel <triegel@redhat.com>
178 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
180 2012-02-20 Torvald Riegel <triegel@redhat.com>
182 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
183 for RfW src. Optimize number of calls to gtm_thr.
185 2012-02-20 Torvald Riegel <triegel@redhat.com>
187 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
189 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
190 (default_dispatch): Make atomic.
191 (GTM::gtm_thread::set_default_dispatch): Access atomically.
192 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
193 use decide_begin_dispatch() if default_dispatch might have changed.
194 (GTM::gtm_thread::number_of_threads_changed): Initialize
195 default_dispatch here.
197 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
198 Patrick Marlier <patrick.marlier@gmail.com>
201 * alloc_cpp.cc: No dummy definitions for darwin.
202 * eh_cpp.cc: Likewise.
204 2012-02-14 Richard Henderson <rth@redhat.com>
206 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
208 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
210 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
212 2012-02-14 Torvald Riegel <triegel@redhat.com>
214 * libitm_i.h (GTM::gtm_rwlog_entry): New.
215 (GTM::gtm_thread): Add read and write logs.
216 (GTM::dispatch_ml_wt): Declare.
217 * retry.cc (parse_default_method): Support ml_wt.
218 * method-ml.cc: New file.
219 * Makefile.am: Add method-ml.cc.
220 * Makefile.in: Regenerate.
222 2012-02-14 Torvald Riegel <triegel@redhat.com>
224 * dispatch.h (GTM::abi_dispatch::supports): New.
225 (GTM::method_group::reinit): New.
226 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
227 (GTM::gtm_thread::number_of_threads_changed): Check that the method
228 supports the current situation.
230 2012-02-14 Torvald Riegel <triegel@redhat.com>
232 * util.cc (GTM::xcalloc): New.
233 * common.h (GTM::xcalloc): Declare.
235 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
237 * config/sparc/target.h (cpu_relax): Read from CC register.
238 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
240 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
242 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
244 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
246 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
247 * config/sparc/cacheline.h: New file.
248 * config/sparc/target.h: Likewise.
249 * config/sparc/sjlj.S: Likewise.
250 * config/linux/sparc/futex_bits.h: Likewise.
252 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
254 * configure.ac (link_itm): Fix comment.
255 * configure: Regenerate.
256 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
258 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
261 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
262 Correct libgomp references.
264 2012-01-24 Torvald Riegel <triegel@redhat.com>
266 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
269 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
271 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
273 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
274 offset values. Do not copy return address. Decrement stack
276 (GTM_longjump) [__x86_64__]: Update offset values.
278 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
281 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
282 the first function argument to %eax.
284 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
286 * libitm.h (_ITM_getThreadnum): Remove.
287 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
289 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
291 * clearcap.map: New file.
292 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
293 * configure.ac: Call it.
294 Clear HWCAP_LDFLAGS if defaulting to -mavx.
295 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
296 * configure: Regenerate.
297 * Makefile.in: Regenerate.
298 * testsuite/Makefile.in: Regenerate.
300 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
303 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
304 include, exclude options.
306 2012-01-14 Torvald Riegel <triegel@redhat.com>
308 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
310 * containers.h (GTM::vector::set_size): New.
312 2012-01-14 Torvald Riegel <triegel@redhat.com>
315 * config/generic/tls.h (GTM::mask_stack_top): New.
316 (GTM::mask_stack_bottom): Declare.
317 * config/generic/tls.c (GTM::mask_stack_bottom): New.
318 * local.cc (gtm_undolog::rollback): Filter out any updates that
319 overlap the libitm stack. Add current transaction as parameter.
320 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
321 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
322 * testsuite/libitm.c/stackundo.c: New test.
324 2012-01-10 Richard Henderson <rth@redhat.com>
326 * libitm_i.h (_Unwind_DeleteException): Declare weak.
327 * eh_cpp.cc (_Unwind_DeleteException): Define for
328 !HAVE_ELF_STYLE_WEAKREF.
330 2012-01-08 Torvald Riegel <triegel@redhat.com>
332 * local.cc (GTM_LB): Use GTM::gtm_undolog.
333 (GTM::gtm_thread::drop_references_undolog): Remove.
334 (GTM::gtm_thread::commit_undolog,
335 GTM::gtm_thread::rollback_undolog): Move to ...
336 * libitm_i.h (GTM::gtm_undolog): ...here. New.
337 (GTM::gtm_undolog_entry): Remove.
338 (GTM::gtm_thread): Adapt.
339 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
340 (GTM::gtm_thread::trycommit): Adapt.
341 * method-serial.cc (serial_dispatch::log): Adapt.
342 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
343 (gl_wt_dispatch::store): Fix likely/unlikely.
344 * containers.h (GTM::vector::resize): Add additional_capacity
345 parameter and handle it.
346 (GTM::vector::resize_noinline): New/adapt.
347 (GTM::vector::push): New.
349 2012-01-06 Richard Henderson <rth@redhat.com>
351 * configure.tgt: Support powerpc-linux and powerpc-darwin.
352 * config/linux/powerpc/futex_bits.h: New file.
353 * config/powerpc/cacheline.h: New file.
354 * config/powerpc/sjlj.S: New file.
355 * config/powerpc/target.h: New file.
356 * config/generic/asmcfi.h (cfi_offset): New.
357 (cfi_restore, cfi_undefined): New.
359 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
362 * testsuite/libitm.c/reentrant.c: Remove xfail.
363 (thread): Pass x to pure().
364 From Patrik Marlier <patrick.marlier@gmail.com>.
366 2011-12-24 Torvald Riegel <triegel@redhat.com>
368 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
369 privatization safety if already in serial mode.
371 2011-12-24 Torvald Riegel <triegel@redhat.com>
373 * beginend.cc (GTM::gtm_thread::restart): Add and handle
374 finish_serial_upgrade parameter.
375 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
376 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
377 Don't unset reader flag.
378 (GTM::gtm_rwlock::write_upgrade_finish): New.
379 * config/posix/rwlock.cc: Same.
380 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
382 * config/posix/rwlock.h: Same.
383 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
384 flag after commit or after rollback when restarting.
386 2011-12-24 Torvald Riegel <triegel@redhat.com>
388 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
389 (GTM::gtm_thread::try_commit): Changed memory order.
390 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
392 * config/linux/x86/futex_bits.h (sys_futex0): Same.
393 * config/linux/sh/futex_bits.h (sys_futex0): Same.
394 * config/linux/futex_bits.h (sys_futex0): Same.
395 * config/linux/futex.cc (futex_wait, futex_wake): Same.
396 * config/linux/futex.h (futex_wait, futex_wake): Same.
397 * config/linux/rwlock.h (gtm_rwlock::writers,
398 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
400 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
401 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
402 gtm_rwlock::write_unlock): Fix memory orders and fences.
403 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
404 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
405 gtm_rwlock::write_unlock): Same.
406 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
407 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
408 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
410 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
411 gl_wt_dispatch::load, gl_wt_dispatch::store,
412 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
413 orders and fences. Add comments.
415 2011-12-21 Jakub Jelinek <jakub@redhat.com>
417 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
418 * Makefile.in: Regenerated.
420 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
422 * configure.tgt: Add sh* case.
423 * config/sh/target.h: New file.
424 * config/sh/sjlj.S: New file.
425 * config/linux/sh/futex_bits.h: New file.
427 2011-12-14 Richard Henderson <rth@redhat.com>
429 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
430 * config/arm/sjlj.S, config/arm/target.h: New files.
431 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
432 (cfi_rel_offset): New.
433 * config/linux/futex_bits.h: New file.
434 * config/linux/futex.cc: Include futex_bits.h here...
435 * config/linux/futex.h: ... not here.
436 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
437 * configure.ac (ARCH_AM): New conditional.
438 * Makefile.in, configure: Rebuild.
439 * configure.tgt: Handle ARM.
441 2011-12-13 Richard Henderson <rth@redhat.com>
443 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
444 signed/unsigned comparison werror.
446 * local_atomic: New file.
447 * libitm_i.h: Include it.
448 (gtm_thread::shared_state): Use atomic template.
449 * beginend.cc (GTM::gtm_clock): Use atomic template.
450 (global_tid): Use atomic template if 64-bit atomics available.
451 (gtm_thread::gtm_thread): Update shared_state access.
452 (gtm_thread::trycommit): Likewise.
453 (choose_code_path): Update global_tid access.
454 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
455 * stmlock.h (GTM::gtm_clock): Use atomic template.
456 (gtm_get_clock, gtm_inc_clock): Update accesses.
457 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
458 redundant __sync_synchronize after atomic shared_state access.
459 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
460 (gtm_rwlock::write_lock_generic): Likewise.
461 (gtm_rwlock::read_unlock): Likewise.
462 * config/alpha/target.h (atomic_read_barrier): Remove.
463 (atomic_write_barrier): Remove.
464 * config/x86/target.h (atomic_read_barrier): Remove.
465 (atomic_write_barrier): Remove.
467 2011-11-30 Richard Henderson <rth@redhat.com>
469 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
470 * beginend.c (_ITM_abortTransaction): Update to match.
471 (GTM::gtm_thread::restart): Likewise.
472 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
473 * config/x86/sjlj.S (GTM_longjmp): Likewise.
475 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
477 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
478 * Makefile.in: Regenerate.
480 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
482 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
483 * alloc_cpp.cc: Generate dummy functions if we don't
484 HAVE_ELF_STYLE_WEAKREF.
485 * eh_cpp.cc: Likewise.
486 * configure: Regenerate.
487 * aclocal.m4: Likewise.
488 * config.h.in: Likewise.
489 * Makefile.in: Likewise.
490 * testsuite/Makefile.in: Likewise.
492 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
494 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
495 __USER_LABEL_PREFIX__ for targets that use it.
496 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
497 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
498 in portability to non-elf targets.
499 (GTM_longjmp): Likewise.
500 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
503 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
505 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
506 * testsuite/libitm.c/memset-1.c: Likewise.
508 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
510 * configure: Regenerate.
512 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
514 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
515 (LIBITM_ENABLE_SYMVERS): Handle sun style.
516 * Makefile.am: Handle sun style versioning.
517 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
518 * configure: Regenerate.
519 * Makefile.in: Regenerate.
521 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
523 * config/generic/asmcfi.h: Fix comment.
524 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
525 sequence without .hidden support, error for non-ELF targets.
526 (GTM_longjmp) [__ELF__]: Only use .hidden if
527 HAVE_ATTRIBUTE_VISIBILITY.
529 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
531 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
532 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
534 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
535 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
537 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
540 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
541 * configure: Regenerate.
543 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
545 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
547 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
549 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
551 (.note.GNU-stack): Only use if __linux__.
552 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
553 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
554 * testsuite/libitm.c/reentrant.c: Likewise.
555 * testsuite/libitm.c/simple-2.c: Likewise.
556 * testsuite/libitm.c/txrelease.c: Likewise.
557 * testsuite/libitm.c++/static_ctor.C: Likewise.
559 2011-11-10 Richard Henderson <rth@redhat.com>
561 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
562 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
563 * configure.ac (ARCH_X86_AVX): New conditional.
564 * Makefile.in, configure: Rebuild.
566 2011-11-09 Richard Henderson <rth@redhat.com>
568 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
569 * configure.ac: Use it.
570 * config.h.in, configure: Rebuild.
571 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
573 2011-11-09 Richard Henderson <rth@redhat.com>
575 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
576 * config/alpha/unaligned.h: Remove file.
577 * config/generic/unaligned.h: Remove file.
578 * config/x86/unaligned.h: Remove file.
579 * config/generic/cachepage.h: Remove file.
580 * config/posix/cachepage.cc: Remove file.
581 * config/generic/cacheline.cc: Remove file.
582 * config/x86/cacheline.cc: Remove file.
583 * config/generic/cacheline.h (gtm_cacheline): Remove the
584 store_mask, copy_mask, copy_mask_wb methods.
585 * config/x86/cacheline.h: Likewise.
586 * config/alpha/cacheline.h: Fall back to generic after setting size.
587 * config/generic/tls.cc (gtm_mask_stack): Remove.
588 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
589 (GTM_vpalignr_table): Remove.
590 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
591 (GTM_pshift_table): Remove.
592 * config/libitm_i.h: Don't include cachepage.h.
593 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
594 * Makefile.in, testsuite/Makefile.in: Rebuild.
596 2011-11-09 Richard Henderson <rth@redhat.com>
598 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
599 to emit branch prediction hint.
601 * config/x86/sjlj.S: Protect elf directives with __ELF__.
602 Protect .note.GNU-stack with __linux__.
604 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
605 * configure, aclocal.m4, config.h.in: Rebuild.
606 * config/generic/asmcfi.h: New file.
607 * config/x86/sjlj.S: Use it.
609 2011-11-08 Richard Henderson <rth@redhat.com>
611 * local.cc (_ITM_LB): Use a normal call, not a function alias.
613 2011-11-08 Richard Henderson <rth@redhat.com>
615 * configure.tgt: Test correct directory for supported cpus.
617 * configure.ac: Exit if unsupported.
618 * configure: Rebuild.
619 * configure.tgt: Delete boilerplate from libgomp for unsupported
620 targets. Set UNSUPPORTED for unsupported targets.
622 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
624 * configure.tgt: Handle i386 like i[456]86.
625 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
627 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
628 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
630 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
632 * method-wbetl.cc: Update copyright notice.
639 * useraction.cc: Same.
643 * config/generic/tls.cc: Same.
644 * config/generic/cacheline.h: Same.
645 * config/generic/cachepage.h: Same.
646 * config/generic/cacheline.cc: Same.
647 * config/generic/unaligned.h: Same.
648 * config/x86/cacheline.h: Same.
649 * config/x86/cacheline.cc: Same.
650 * config/x86/unaligned.h: Same.
651 * config/alpha/cacheline.h: Same.
652 * config/alpha/unaligned.h: Same.
653 * config/alpha/sjlj.S: Same.
654 * config/posix/cachepage.cc: Same.
655 * config/linux/futex.h: Same.
656 * config/linux/alpha/futex_bits.h: Same.
658 2011-11-04 Torvald Riegel <triegel@redhat.com>
660 * libitm.texi: No cover text and invariant sections.
662 2011-11-03 Richard Henderson <rth@redhat.com>
664 * local_type_traits: New file.
665 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
667 2011-11-03 Richard Henderson <rth@redhat.com>
669 * configure.ac: Don't test for gfortran.
670 * configure: Rebuild.
672 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
673 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
675 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
677 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
678 * testsuite/libitm.c/memset-1.c: Same.
679 * testsuite/libitm.c/c.exp: Same.
680 * testsuite/lib/libitm-dg.exp: Same.
681 * testsuite/lib/libitm.exp: Same.
682 * testsuite/libitm.c++/c++.exp: Same.
684 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
686 * testsuite/config/default.exp: Update copyright date.
687 * configure.ac: Add copyright info.
688 * configure.tgt: Same.
690 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
692 * testsuite/libitm.c/reentrant.c: XFAIL.
693 * testsuite/libitm.c++/static_ctor.C: XFAIL.
695 2011-10-29 Torvald Riegel <triegel@redhat.com>
697 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
699 (_ITM_abortTransaction): Handle aborts of outer transactions.
701 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
702 * libitm.texi: Document aborts of outer transactions.
703 * testsuite/libitm.c/cancel.c: New file.
705 2011-10-19 Torvald Riegel <triegel@redhat.com>
707 * testsuite/*: Change __transaction to __transaction_atomic or
708 __transaction_relaxed.
710 2011-10-19 Torvald Riegel <triegel@redhat.com>
712 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
715 2011-10-19 Torvald Riegel <triegel@redhat.com>
717 * libitm_i.h: Add gl_wt dispatch.
718 * retry.cc (parse_default_method): Same.
719 * method-gl.cc: New file.
720 * Makefile.am: Use method-gl.cc.
721 * Makefile.in: Rebuild.
723 2011-10-19 Torvald Riegel <triegel@redhat.com>
725 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
726 safety if requested by a TM method.
727 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
728 privatization safety.
729 * method-serial.cc: Same.
731 2011-10-19 Torvald Riegel <triegel@redhat.com>
733 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
734 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
735 undolog-related member functions from *_local to *_undolog.
736 * local.cc (gtm_thread::commit_undolog): Same.
737 * beginend.cc (GTM::gtm_thread::trycommit): Same.
738 (GTM::gtm_thread::rollback): Roll back undolog before
739 dispatch-specific rollback.
741 2011-10-19 Torvald Riegel <triegel@redhat.com>
743 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
744 re-initialization of the current method group.
745 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
747 2011-10-19 Torvald Riegel <triegel@redhat.com>
749 * alloc.cc (commit_allocations_2): Do not free transaction-local
750 memory when committing a nested transaction.
752 2011-10-19 Torvald Riegel <triegel@redhat.com>
754 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
755 serial-irrevocable dispatch, not serial.
757 2011-10-19 Torvald Riegel <triegel@redhat.com>
759 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
761 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
762 * method-serial.cc: Implement begin_or_restart().
763 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
764 dispatch-specific begin_or_restart().
765 (GTM::gtm_thread::restart): Same.
767 2011-08-23 Torvald Riegel <triegel@redhat.com>
769 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
770 restarting without switching to serial mode.
771 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
772 transaction state. Choose closed-nesting alternative if available.
773 (GTM::gtm_thread::set_default_dispatch): New.
774 (parse_default_method): New.
775 (GTM::gtm_thread::number_of_threads_changed): New.
776 * method-serial.cc (GTM::serial_mg): New method group class.
777 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
779 (GTM::serial_dispatch): Same.
780 (GTM::serialirr_onwrite_dispatch): Same.
781 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
782 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
784 (GTM::gtm_thread::gtm_thread): Same.
785 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
786 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
787 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
788 choose dispatch but set state according to dispatch here.
789 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
790 (GTM::method_group): New class.
791 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
792 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
793 * libitm.texi: Document TM methods, method groups, method life cycle.
794 Rename method sets to method groups.
796 2011-08-23 Torvald Riegel <triegel@redhat.com>
798 * config/x86/tls.h: Moved to ...
799 * config/linux/x86/tls.h: ... here.
801 2011-08-23 Torvald Riegel <triegel@redhat.com>
803 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
805 * config/x86/sjlj.S: Same.
807 2011-08-19 Torvald Riegel <triegel@redhat.com>
809 * config/linux/rwlock.h: New file.
810 * config/linux/rwlock.c: New file.
811 * configure.ac: Reenable futex support (undo SVN rev 157758).
813 * configure.tgt: Same.
814 * config/linux/alpha/futex_bits.h: Same.
815 * config/linux/futex.h: Same. Return number of woken processes.
816 * config/linux/futex.cc: Same.
817 (futex_wait): Remove spinning.
818 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
819 Use __x86_64__ instead of __LP64__.
820 * aclocal.m4: Include generic futex checks.
821 * configure: Rebuild.
822 * Makefile.in: Rebuild.
823 * testsuite/Makefile.in: Rebuild.
824 * beginend.cc: Include pthread.h.
825 * config/posix/cachepage.cc: Same.
827 2011-08-12 Torvald Riegel <triegel@redhat.com>
829 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
830 (abi_disp, set_abi_disp): Move to tx's TLS slot.
832 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
834 (GTM::gtm_thread::thread_num): Removed.
835 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
836 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
837 tx-to-thread renaming.
838 * beginend.cc: Adapted to tx-to-thread renaming.
839 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
840 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
841 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
842 gtm_transaction to gtm_thread.
843 (_ITM_getThreadnum): Removed. Not supported anymore.
844 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
845 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
846 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
847 gtm_tx-to-gtm_thr renaming if necessary.
854 * alloc_cpp.cc: Same.
855 * method-serial.cc: Same.
856 * config/generic/tls.cc: Same.
857 * config/posix/rwlock.h (gtm_rwlock): Same.
858 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
860 2011-08-12 Torvald Riegel <triegel@redhat.com>
862 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
864 (gtm_rwlock::read_unlock): Same.
865 (gtm_rwlock::write_lock_generic): New. Generalized from ...
866 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
867 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
868 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
869 w_upgrade. Replaced by per-transaction flags (in shared_state).
870 Added c_confirmed_writers.
871 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
872 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
873 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
874 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
875 * beginend.cc (GTM::gtm_transaction::begin_transaction,
876 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
877 * libitm.texi: Document locking conventions and implementations in
880 2011-08-12 Torvald Riegel <triegel@redhat.com>
882 * libitm_i.h (next_tx): Add list of all threads' transaction.
883 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
884 transaction with list of transactions and ...
885 (thread_exit_handler): ... deregister here.
886 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
887 * config/x86/target.h: Same.
889 2011-08-12 Torvald Riegel <triegel@redhat.com>
891 * testsuite/libitm.c++/static_ctor.C: New file.
893 2011-08-12 Torvald Riegel <triegel@redhat.com>
895 * testsuite/libitm.c/reentrant.c: New file.
897 2011-08-12 Torvald Riegel <triegel@redhat.com>
899 * config/generic/tls.h: Remove the free list for transactions and ...
900 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
901 (GTM::gtm_transaction::operator delete): ... and release here.
902 (thread_exit_handler): New. Delete tx when thread terminates.
903 (thread_exit_init): New.
904 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
905 * testsuite/libitm.c/txrelease.c: New file.
907 2011-08-12 Torvald Riegel <triegel@redhat.com>
909 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
910 * testsuite/libitm.c/notx.c: New file.
912 2011-08-12 Torvald Riegel <triegel@redhat.com>
914 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
915 * libitm_i.h (local_tid): ... to here.
916 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
917 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
919 2011-08-12 Torvald Riegel <triegel@redhat.com>
921 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
922 serialirr_onwrite_dispatch as new default for now.
923 * method-serial.cc (serialirr_onwrite_dispatch): New.
924 (GTM::dispatch_serialirr_onwrite): New.
927 2011-08-12 Torvald Riegel <triegel@redhat.com>
929 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
930 * query.cc (_ITM_getTransactionId): There is no active transaction if
931 the current nesting level is zero.
933 2011-07-28 Torvald Riegel <triegel@redhat.com>
935 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
938 2011-07-28 Torvald Riegel <triegel@redhat.com>
940 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
941 transaction properties from the caller instead of from the
944 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
946 2011-07-28 Torvald Riegel <triegel@redhat.com>
948 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
949 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
951 * method-serial.cc: Same.
952 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
953 flat nesting as default, and closed nesting on demand.
954 (GTM::gtm_transaction::rollback): Same.
955 (_ITM_abortTransaction): Same.
956 (GTM::gtm_transaction::restart): Same.
957 (GTM::gtm_transaction::trycommit): Same.
958 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
959 (choose_code_path): New.
960 (GTM::gtm_transaction_cp::save): New.
961 (GTM::gtm_transaction_cp::commit): New.
962 * query.cc (_ITM_inTransaction): Support flat nesting.
963 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
964 (GTM::gtm_transaction): Support flat and closed nesting.
965 * alloc.cc (commit_allocations_2): New.
966 (commit_cb_data): New helper struct.
967 (GTM::gtm_transaction::commit_allocations): Handle nested
969 * libitm.texi: Update user action section, add description of nesting.
971 2011-07-28 Torvald Riegel <triegel@redhat.com>
973 * libitm_i.h: Add closed nesting as restart reason.
974 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
976 2011-07-28 Torvald Riegel <triegel@redhat.com>
978 * useraction.cc: Use vector instead of list to store actions.
979 Also support partial rollbacks for closed nesting.
980 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
983 2011-07-28 Torvald Riegel <triegel@redhat.com>
985 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
986 closed_nesting flags, as well as a closed nesting alternative.
987 * method-serial.cc: Same.
988 (serial_dispatch): Renamed to serialirr_dispatch.
989 (GTM::dispatch_serialirr): Same.
990 (serial_dispatch_ul): Renamed to serial_dispatch.
991 (GTM::dispatch_serial): Same.
993 2011-07-28 Torvald Riegel <triegel@redhat.com>
995 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
997 2011-07-28 Torvald Riegel <triegel@redhat.com>
999 * aatree.h (aa_tree::remove): New.
1000 (aa_tree::operator new): Add placement new.
1002 2011-07-02 Torvald Riegel <triegel@redhat.com>
1004 * containers.h: New file.
1005 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1006 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1007 * common.h: ... to here.
1008 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1011 2011-06-30 Torvald Riegel <triegel@redhat.com>
1013 * libitm_i.h (STATE_ABORTING): Remove.
1014 * beginend.cc (_ITM_abortTransaction): Same.
1015 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1016 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1017 (_ITM_rollbackTransaction): Remove.
1018 * beginend.cc: Same.
1020 * libitm.texi: Document these ABI changes.
1022 2011-06-30 Torvald Riegel <triegel@redhat.com>
1024 * libitm.texi: New file.
1025 * Makefile.am: Add libitm.texi.
1026 * Makefile.in: Rebuild.
1028 2011-06-30 Torvald Riegel <triegel@redhat.com>
1030 * libitm_i.h: Move parts to common.h and dispatch.h.
1031 * common.h: New file.
1032 * dispatch.h: New file, new dispatch class.
1033 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1034 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1035 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1036 decision to retry.cc.
1037 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1039 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1040 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1042 * barrier.cc: Use new barriers definitions.
1043 (abi_dispatch::memmove_overlap_check): New.
1044 * config/x86/x86_sse.cc: Same.
1045 * config/x86/x86_avx.cc: Same.
1046 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1048 * Makefile.in: Rebuild.
1049 * method-readonly.cc: Remove.
1050 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1051 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1053 2011-06-30 Torvald Riegel <triegel@redhat.com>
1055 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1056 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1057 * testsuite/libitm.c/dropref-2.c: Same.
1058 * testsuite/libitm.c/dropref.c: Same.
1060 2011-06-30 Torvald Riegel <triegel@redhat.com>
1062 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1063 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1064 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1066 * barrier.tpl: Same.
1068 * config/generic/tls.h: Same.
1069 * config/x86/tls.h: Same.
1073 * method-readonly.cc: Same.
1074 * method-serial.cc: Same.
1075 * method-wbetl.cc: Same.
1078 2011-03-03 Richard Henderson <rth@redhat.com>
1080 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1081 From Patrik Marlier <patrick.marlier@unine.ch>.
1083 2011-02-03 Richard Henderson <rth@redhat.com>
1085 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1086 * configure.ac: Use it.
1087 * configure, config.h.in: Rebuild.
1088 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1089 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1090 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1091 * libitm.map: Use wildcards to match size_t mangling.
1093 2010-12-14 Richard Henderson <rth@redhat.com>
1095 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1096 blocks of TIDs per thread.
1097 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1098 (setup_gtm_thr): Return the thread structure.
1099 * config/x86/tls.h (setup_gtm_thr): Likewise.
1101 2010-12-14 Richard Henderson <rth@redhat.com>
1103 * clone.cc (table_lock): Remove.
1104 (find_clone): Don't take it.
1105 (ExcludeTransaction): New helper class.
1106 (_ITM_registerTMCloneTable): Use it.
1107 (_ITM_deregisterTMCloneTable): Likewise.
1109 2010-12-14 Richard Henderson <rth@redhat.com>
1111 * config/x86/tls.h: New file.
1113 2010-07-15 Richard Henderson <rth@redhat.com>
1115 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1116 * Makefile.in: Rebuild.
1118 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1120 * method-wbetl.cc (trydropreference): Fix source line.
1122 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1124 * libitm.h: Add comment.
1125 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1127 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1129 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1130 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1131 available, use pthread mutexes.
1132 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1133 * config.h.in: Regenerate.
1134 * configure: Regenerate.
1136 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1138 * libitm.h (ITM_PURE): Define.
1139 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1141 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1143 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1144 (validate): Add comment.
1145 (trydropreference): New.
1146 * method-readonly.cc (class readonly_dispatch): Add
1148 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1149 Call trydropreference().
1150 * libitm.h (_ITM_dropReferences): Remove const attribute.
1151 * method-serial.cc (class serial_dispatch): Add trydropreference.
1152 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1154 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1156 * memcpy.cc (do_memcpy): Comment.
1158 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1160 * barrier.tpl: Add comments throughout.
1162 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1164 * method-wbetl.cc (struct w_entry): Add comments.
1168 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1170 * alloc_c.cc (_ITM_dropReferences): New.
1171 * libitm.map (_ITM_dropReferences): Add.
1172 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1173 * libitm_i.h (struct gtm_transaction): Declare
1174 drop_references_allocations and drop_references_local.
1175 * local.cc (rollback_local): Ignore memory when applicable.
1176 (drop_references_local): New.
1178 2010-06-23 Richard Henderson <rth@redhat.com>
1180 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1181 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1182 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1183 * config/alpha/target.h: Likewise.
1184 * config/generic/tls.cc (gtm_mask_stack): Use it.
1186 2010-06-23 Richard Henderson <rth@redhat.com>
1188 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1189 a mutex instead of trying a lock-free compare-and-swap on the list.
1190 (gtm_cacheline_page::operator delete): Likewise.
1192 2010-06-16 Richard Henderson <rth@redhat.com>
1194 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1195 that overlap the libitm stack.
1196 * barrier.tpl: Mark incoming stack.
1197 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1198 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1199 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1200 * memcpy.cc, memset.cc: Likewise.
1201 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1202 * config/generic/tls.h (gtm_thread): Add stack_top member.
1203 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1204 * libitm_i.h (gtm_mask_stack): Declare.
1205 * config/generic/tls.cc: New file.
1206 * Makefile.am (libitm_la_SOURCES): Add it.
1207 (AM_CXXFLAGS): Turn off exceptions.
1208 * Makefile.in: Rebuild.
1210 2010-06-16 Richard Henderson <rth@redhat.com>
1212 * alloc.cc (struct gtm_alloc_action): Move definition ...
1213 * libitm_i.h: ... here.
1214 (class gtm_transaction): Declare new and delete.
1215 * beginend.cc (alloc_tx): Reformulate as operator new.
1216 (free_tx): Reformulate as operator delete.
1217 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1219 2010-06-11 Richard Henderson <rth@redhat.com>
1221 * clone.cc (clone_entry_compare): Fix typo.
1222 From Patrik Marlier <patrick.marlier@unine.ch>.
1224 2010-05-13 Richard Henderson <rth@redhat.com>
1226 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1229 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1231 * libitm_i.h (struct gtm_transaction): Remove
1232 get_allocation_size.
1233 (record_allocation): Remove size parameter.
1234 * libitm.map (_ITM_realloc): Remove.
1235 * alloc_c.cc (_ITM_realloc): Remove.
1236 (_ITM_malloc): Remove size argument to record_allocation.
1237 (_ITM_calloc): Same.
1238 * alloc_cpp.cc (_ZGTtnwm): Same.
1239 (_ZGTtnwmRKSt9nothrow_t): Same.
1241 (_ZGTtnamRKSt9nothrow_t): Same.
1242 * alloc.cc (struct gtm_alloc_action): Remove size.
1243 (get_allocation_size): Remove.
1244 (commit_allocations): Add comment.
1245 (record_allocation): Remove size parameter.
1246 (forget_allocation): Remove set of size.
1248 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1250 * Makefile.am (abi_version): New.
1251 (AM_CXXFLAGS): Pass abi_version.
1252 * Makefile.in: Regenerate.
1253 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1255 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1257 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1258 _ITM_getTMCloneOrIrrevokable.
1259 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1260 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1262 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1264 * configure.ac: Remove Linux futex support.
1265 * configure.tgt (config_path): Same.
1266 * Makefile.am: Same.
1267 * config/linux: Remove entire directory.
1268 * configure: Rebuild.
1269 * Makefile.in: Rebuild.
1270 * testsuite/Makefile.in: Rebuild.
1272 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1274 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1275 switching to serial mode.
1276 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1278 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1280 * configure.tgt: Add emacs -*- tags.
1281 * barrier.tpl: Same.
1283 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1285 * Makefile.am: Rename serial.cc to method-serial.cc.
1286 * Makefile.in: Regenerate with automake 1.11.1.
1287 * testsuite/Makefile.in: Same.
1288 * aclocal.m4: Regenerate with aclocal 1.11.1.
1289 * method-serial.cc: Rename from serial.cc.
1290 * libitm_i.h (struct gtm_transaction): Update comment on
1293 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1295 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1296 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1298 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1300 * configure: Rebuild.
1302 2009-11-12 Richard Henderson <rth@redhat.com>
1304 * Rewrite everything in C++.
1306 2009-11-03 Richard Henderson <rth@redhat.com>
1308 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1309 * Makefile.am (libitm_la_SOURCES): Add them.
1310 * configure.ac (ARCH_X86): New conditional.
1311 * Makefile.in, configure: Rebuild.
1312 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1313 Move futex setup into "other system configury" case.
1314 * local.c (rollback_local): Merge into ...
1315 (GTM_rollback_local): ... here.
1316 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1317 (_ITM_LB): Define as an alias to GTM_LB.
1319 2009-11-03 Richard Henderson <rth@redhat.com>
1321 * method-readonly.c: New file.
1322 * Makefile.am (libitm_la_SOURCES): Add it.
1323 * Makefile.in: Rebuild.
1324 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1325 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1326 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1327 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1328 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1329 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1330 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1331 gtm_get_clock, gtm_inc_clock): New.
1332 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1333 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1334 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1335 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1336 replace uses with new libitm_i.h symbols.
1337 (dispatch_wbetl): Rename from wbetl_dispatch.
1338 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1339 away from dispatch_readonly; abort if the beginTransaction call
1340 asserted that the transaction was readonly.
1342 2009-11-03 Richard Henderson <rth@redhat.com>
1344 * memset.c: New file.
1345 * Makefile.am (libitm_la_SOURCES): Add it.
1346 * Makefile.in: Rebuild.
1347 * testsuite/libitm.c/memset-1.c: New.
1349 2009-11-03 Richard Henderson <rth@redhat.com>
1351 * dispatch.c: Remove file.
1352 * useraction.c (struct gtm_user_action): Move from libitm.h.
1353 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1354 (serial_memset, serial_memmove, serial_memcpy): Remove.
1355 (serial_W*, serial_R*): Remove.
1356 (serial_dispatch): Update to match.
1357 * configure.ac: Move Werror down below configure checks. Don't
1358 check for sys/loadavg.h, do check for malloc.h. Don't check for
1359 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1360 Use GCC_AC_FUNC_MMAP_BLACKLIST
1361 * libitm.h: Split out all internal items to...
1362 * libitm_i.h: ... here. New file.
1363 * copymask.c: New file.
1364 * local.c (struct gtm_local_undo): Move from libitm.h.
1365 (GTM_alloc_local): Rename from alloc_local; export.
1366 * memcpy.c: New file.
1367 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1368 * config/posix/page.c: New file.
1369 * config/posix/target_tls.h: Remove file.
1370 * barrier.c: New file.
1371 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1373 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1374 * method-wbetl.c: Rewrite for new cacheline methods.
1375 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1377 * config/alpha/sjlj.S: Fix typo.
1378 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1379 * config/alpha/copymask.c: New file.
1380 * config/alpha/target.h (CACHELINE_SIZE): New.
1381 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1383 * config/x86/target_i.h: Copy functions from x86/target.h.
1384 * config/x86/copymask.c: New file.
1385 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1386 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1387 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1388 * config/x86/target_tls.h: Move contents to target_i.h.
1390 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1391 * testsuite/libitm.c/memcpy-1.c: New.
1393 2009-10-22 Richard Henderson <rth@redhat.com>
1395 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1396 (AM_CCASFLAGS): New.
1397 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1398 saving/restoring _AC_ARG_VAR_PRECIOUS.
1399 * Makefile.in, aclocal.m4, config.h.in, configure,
1400 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1402 2009-10-22 Richard Henderson <rth@redhat.com>
1404 * testsuite/*: Update for new compiler syntax.
1406 2009-10-21 Richard Henderson <rth@redhat.com>
1408 * libitm.h (_ITM_abortReason): Add outerAbort.
1410 2009-08-03 Richard Henderson <rth@redhat.com>
1412 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1413 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1414 * method-wbetl.c (struct w_entry): Remove mask.
1415 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1418 2009-07-22 Richard Henderson <rth@redhat.com>
1420 * eh_cpp.c: New file.
1421 * Makefile.am (libitm_la_SOURCES): Add it.
1422 * Makefile.in: Rebuild.
1423 * beginend.c (GTM_rollback_transaction): Undo exception state.
1424 (GTM_trycommit_transaction): Mark inline.
1425 (GTM_trycommit_and_finalize_transaction): Split out from ...
1426 (_ITM_commitTransaction): ... here.
1427 (_ITM_commitTransactionEH): New function.
1428 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1429 cxa_unthrown, eh_in_flight; reorder.
1431 * testsuite/libitm.c++/c++.exp: New.
1432 * testsuite/libitm.c++/eh-1.C: New.
1434 * aatree.c (aa_free): Remove REGPARM.
1435 * aatree.h: Remove all REGPARM.
1437 2009-07-18 Richard Henderson <rth@redhat.com>
1439 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1440 * Makefile.am (libitm_la_SOURCES): Add them.
1441 * Makefile.in: Rebuild.
1442 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1443 (GTM_trycommit_transaction): Likewise.
1444 * libitm.h: Include aatree.h
1445 (struct gtm_alloc_action): New.
1446 (struct gtm_transaction): Add alloc_actions.
1447 (GTM_record_allocation, GTM_forget_allocation): Declare.
1448 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1449 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1450 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1451 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1452 _ZGTtdaPvRKSt9nothrow_t): Export.
1454 2009-07-18 Richard Henderson <rth@redhat.com>
1456 * target_tls.h: Move ...
1457 * config/posix/target_tls.h: ... here.
1459 2009-07-07 Richard Henderson <rth@redhat.com>
1461 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1463 2009-07-07 Richard Henderson <rth@redhat.com>
1467 2009-07-07 Richard Henderson <rth@redhat.com>
1469 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1470 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1472 * configure.tgt: Don't use -ftls-model for x86 linux.
1473 * libitm.h: Include target.h after standard includes.
1474 (_gtm_thr): Rename from gtm_thr.
1475 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1476 (gtm_disp, set_gtm_disp): New.
1477 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1478 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1479 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1481 2009-07-07 Richard Henderson <rth@redhat.com>
1483 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1485 2009-07-06 Richard Henderson <rth@redhat.com>
1487 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1488 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1489 (_ITM_beginTransaction): Take variadic arguments.
1490 (_ITM_registerThrownObject): Declare.
1491 * beginend.c, serial.c: Update.
1492 * libitm.map: Add _ITM_registerThrownObject.
1494 2009-01-28 Richard Henderson <rth@redhat.com>
1496 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1497 * Makefile.in: Rebuild.
1498 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1499 (GTM_restart_transaction): Fix uninstrumented code check.
1500 * retry.c (GTM_decide_retry_strategy): Add serial check.
1501 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1502 automatically go irrevokable when in serial mode.
1503 * clone.c: New file.
1504 * libitm.h, libitm.map: Update.
1506 2009-01-27 Richard Henderson <rth@redhat.com>
1508 * Makefile.am (LTCCASCOMPILE): Define.
1509 (libitm_la_SOURCES): Add methid-wbetl.c.
1510 * testsuite/Makefile.am: New
1511 * configure.ac: Add testsuite/Makefile.
1512 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1513 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1514 (_ITM_abortTransaction): Finalize implementation method; pass
1515 transaction properties to longjmp.
1516 (GTM_restart_transaction): Split out from ...
1517 (_ITM_commitTransaction): ... here.
1518 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1519 Move to config/x86/target.h.
1520 * config/linux/alpha/futex_bits.h: New.
1521 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1522 * config/x86/target.h: Disable target types for 32-bit.
1523 * config/alpha/sjlj.S, config/alpha/target.h: New.
1524 * libitm.h (struct gtm_dispatch): Add init, fini.
1525 (enum restart_reason): New.
1526 (struct gtm_transaction): Add method and restarts.
1527 * retry.c (GTM_decide_retry_strategy): Implement.
1528 * serial.c (serial_init, serial_fini): New.
1529 (GTM_serialmode): Finialize outgoing method.
1530 * method-wbetl.c: New.
1532 2008-12-09 Richard Henderson <rth@redhat.com>
1534 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1535 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1536 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1537 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1538 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1539 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1540 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1541 * serial.c (serial_R##T, serial_W##T): Likewise.
1543 2008-11-21 Richard Henderson <rth@redhat.com>