1 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
4 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
5 the first function argument to %eax.
7 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9 * libitm.h (_ITM_getThreadnum): Remove.
10 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
12 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
14 * clearcap.map: New file.
15 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
16 * configure.ac: Call it.
17 Clear HWCAP_LDFLAGS if defaulting to -mavx.
18 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
19 * configure: Regenerate.
20 * Makefile.in: Regenerate.
21 * testsuite/Makefile.in: Regenerate.
23 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
26 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
27 include, exclude options.
29 2012-01-14 Torvald Riegel <triegel@redhat.com>
31 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
33 * containers.h (GTM::vector::set_size): New.
35 2012-01-14 Torvald Riegel <triegel@redhat.com>
38 * config/generic/tls.h (GTM::mask_stack_top): New.
39 (GTM::mask_stack_bottom): Declare.
40 * config/generic/tls.c (GTM::mask_stack_bottom): New.
41 * local.cc (gtm_undolog::rollback): Filter out any updates that
42 overlap the libitm stack. Add current transaction as parameter.
43 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
44 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
45 * testsuite/libitm.c/stackundo.c: New test.
47 2012-01-10 Richard Henderson <rth@redhat.com>
49 * libitm_i.h (_Unwind_DeleteException): Declare weak.
50 * eh_cpp.cc (_Unwind_DeleteException): Define for
51 !HAVE_ELF_STYLE_WEAKREF.
53 2012-01-08 Torvald Riegel <triegel@redhat.com>
55 * local.cc (GTM_LB): Use GTM::gtm_undolog.
56 (GTM::gtm_thread::drop_references_undolog): Remove.
57 (GTM::gtm_thread::commit_undolog,
58 GTM::gtm_thread::rollback_undolog): Move to ...
59 * libitm_i.h (GTM::gtm_undolog): ...here. New.
60 (GTM::gtm_undolog_entry): Remove.
61 (GTM::gtm_thread): Adapt.
62 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
63 (GTM::gtm_thread::trycommit): Adapt.
64 * method-serial.cc (serial_dispatch::log): Adapt.
65 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
66 (gl_wt_dispatch::store): Fix likely/unlikely.
67 * containers.h (GTM::vector::resize): Add additional_capacity
68 parameter and handle it.
69 (GTM::vector::resize_noinline): New/adapt.
70 (GTM::vector::push): New.
72 2012-01-06 Richard Henderson <rth@redhat.com>
74 * configure.tgt: Support powerpc-linux and powerpc-darwin.
75 * config/linux/powerpc/futex_bits.h: New file.
76 * config/powerpc/cacheline.h: New file.
77 * config/powerpc/sjlj.S: New file.
78 * config/powerpc/target.h: New file.
79 * config/generic/asmcfi.h (cfi_offset): New.
80 (cfi_restore, cfi_undefined): New.
82 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
85 * testsuite/libitm.c/reentrant.c: Remove xfail.
86 (thread): Pass x to pure().
87 From Patrik Marlier <patrick.marlier@gmail.com>.
89 2011-12-24 Torvald Riegel <triegel@redhat.com>
91 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
92 privatization safety if already in serial mode.
94 2011-12-24 Torvald Riegel <triegel@redhat.com>
96 * beginend.cc (GTM::gtm_thread::restart): Add and handle
97 finish_serial_upgrade parameter.
98 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
99 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
100 Don't unset reader flag.
101 (GTM::gtm_rwlock::write_upgrade_finish): New.
102 * config/posix/rwlock.cc: Same.
103 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
105 * config/posix/rwlock.h: Same.
106 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
107 flag after commit or after rollback when restarting.
109 2011-12-24 Torvald Riegel <triegel@redhat.com>
111 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
112 (GTM::gtm_thread::try_commit): Changed memory order.
113 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
115 * config/linux/x86/futex_bits.h (sys_futex0): Same.
116 * config/linux/sh/futex_bits.h (sys_futex0): Same.
117 * config/linux/futex_bits.h (sys_futex0): Same.
118 * config/linux/futex.cc (futex_wait, futex_wake): Same.
119 * config/linux/futex.h (futex_wait, futex_wake): Same.
120 * config/linux/rwlock.h (gtm_rwlock::writers,
121 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
123 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
124 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
125 gtm_rwlock::write_unlock): Fix memory orders and fences.
126 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
127 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
128 gtm_rwlock::write_unlock): Same.
129 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
130 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
131 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
133 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
134 gl_wt_dispatch::load, gl_wt_dispatch::store,
135 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
136 orders and fences. Add comments.
138 2011-12-21 Jakub Jelinek <jakub@redhat.com>
140 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
141 * Makefile.in: Regenerated.
143 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
145 * configure.tgt: Add sh* case.
146 * config/sh/target.h: New file.
147 * config/sh/sjlj.S: New file.
148 * config/linux/sh/futex_bits.h: New file.
150 2011-12-14 Richard Henderson <rth@redhat.com>
152 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
153 * config/arm/sjlj.S, config/arm/target.h: New files.
154 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
155 (cfi_rel_offset): New.
156 * config/linux/futex_bits.h: New file.
157 * config/linux/futex.cc: Include futex_bits.h here...
158 * config/linux/futex.h: ... not here.
159 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
160 * configure.ac (ARCH_AM): New conditional.
161 * Makefile.in, configure: Rebuild.
162 * configure.tgt: Handle ARM.
164 2011-12-13 Richard Henderson <rth@redhat.com>
166 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
167 signed/unsigned comparison werror.
169 * local_atomic: New file.
170 * libitm_i.h: Include it.
171 (gtm_thread::shared_state): Use atomic template.
172 * beginend.cc (GTM::gtm_clock): Use atomic template.
173 (global_tid): Use atomic template if 64-bit atomics available.
174 (gtm_thread::gtm_thread): Update shared_state access.
175 (gtm_thread::trycommit): Likewise.
176 (choose_code_path): Update global_tid access.
177 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
178 * stmlock.h (GTM::gtm_clock): Use atomic template.
179 (gtm_get_clock, gtm_inc_clock): Update accesses.
180 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
181 redundant __sync_synchronize after atomic shared_state access.
182 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
183 (gtm_rwlock::write_lock_generic): Likewise.
184 (gtm_rwlock::read_unlock): Likewise.
185 * config/alpha/target.h (atomic_read_barrier): Remove.
186 (atomic_write_barrier): Remove.
187 * config/x86/target.h (atomic_read_barrier): Remove.
188 (atomic_write_barrier): Remove.
190 2011-11-30 Richard Henderson <rth@redhat.com>
192 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
193 * beginend.c (_ITM_abortTransaction): Update to match.
194 (GTM::gtm_thread::restart): Likewise.
195 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
196 * config/x86/sjlj.S (GTM_longjmp): Likewise.
198 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
200 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
201 * Makefile.in: Regenerate.
203 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
205 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
206 * alloc_cpp.cc: Generate dummy functions if we don't
207 HAVE_ELF_STYLE_WEAKREF.
208 * eh_cpp.cc: Likewise.
209 * configure: Regenerate.
210 * aclocal.m4: Likewise.
211 * config.h.in: Likewise.
212 * Makefile.in: Likewise.
213 * testsuite/Makefile.in: Likewise.
215 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
217 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
218 __USER_LABEL_PREFIX__ for targets that use it.
219 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
220 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
221 in portability to non-elf targets.
222 (GTM_longjmp): Likewise.
223 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
226 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
228 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
229 * testsuite/libitm.c/memset-1.c: Likewise.
231 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
233 * configure: Regenerate.
235 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
237 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
238 (LIBITM_ENABLE_SYMVERS): Handle sun style.
239 * Makefile.am: Handle sun style versioning.
240 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
241 * configure: Regenerate.
242 * Makefile.in: Regenerate.
244 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
246 * config/generic/asmcfi.h: Fix comment.
247 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
248 sequence without .hidden support, error for non-ELF targets.
249 (GTM_longjmp) [__ELF__]: Only use .hidden if
250 HAVE_ATTRIBUTE_VISIBILITY.
252 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
254 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
255 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
257 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
258 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
260 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
263 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
264 * configure: Regenerate.
266 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
268 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
270 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
272 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
274 (.note.GNU-stack): Only use if __linux__.
275 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
276 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
277 * testsuite/libitm.c/reentrant.c: Likewise.
278 * testsuite/libitm.c/simple-2.c: Likewise.
279 * testsuite/libitm.c/txrelease.c: Likewise.
280 * testsuite/libitm.c++/static_ctor.C: Likewise.
282 2011-11-10 Richard Henderson <rth@redhat.com>
284 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
285 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
286 * configure.ac (ARCH_X86_AVX): New conditional.
287 * Makefile.in, configure: Rebuild.
289 2011-11-09 Richard Henderson <rth@redhat.com>
291 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
292 * configure.ac: Use it.
293 * config.h.in, configure: Rebuild.
294 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
296 2011-11-09 Richard Henderson <rth@redhat.com>
298 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
299 * config/alpha/unaligned.h: Remove file.
300 * config/generic/unaligned.h: Remove file.
301 * config/x86/unaligned.h: Remove file.
302 * config/generic/cachepage.h: Remove file.
303 * config/posix/cachepage.cc: Remove file.
304 * config/generic/cacheline.cc: Remove file.
305 * config/x86/cacheline.cc: Remove file.
306 * config/generic/cacheline.h (gtm_cacheline): Remove the
307 store_mask, copy_mask, copy_mask_wb methods.
308 * config/x86/cacheline.h: Likewise.
309 * config/alpha/cacheline.h: Fall back to generic after setting size.
310 * config/generic/tls.cc (gtm_mask_stack): Remove.
311 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
312 (GTM_vpalignr_table): Remove.
313 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
314 (GTM_pshift_table): Remove.
315 * config/libitm_i.h: Don't include cachepage.h.
316 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
317 * Makefile.in, testsuite/Makefile.in: Rebuild.
319 2011-11-09 Richard Henderson <rth@redhat.com>
321 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
322 to emit branch prediction hint.
324 * config/x86/sjlj.S: Protect elf directives with __ELF__.
325 Protect .note.GNU-stack with __linux__.
327 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
328 * configure, aclocal.m4, config.h.in: Rebuild.
329 * config/generic/asmcfi.h: New file.
330 * config/x86/sjlj.S: Use it.
332 2011-11-08 Richard Henderson <rth@redhat.com>
334 * local.cc (_ITM_LB): Use a normal call, not a function alias.
336 2011-11-08 Richard Henderson <rth@redhat.com>
338 * configure.tgt: Test correct directory for supported cpus.
340 * configure.ac: Exit if unsupported.
341 * configure: Rebuild.
342 * configure.tgt: Delete boilerplate from libgomp for unsupported
343 targets. Set UNSUPPORTED for unsupported targets.
345 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
347 * configure.tgt: Handle i386 like i[456]86.
348 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
350 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
351 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
353 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
355 * method-wbetl.cc: Update copyright notice.
362 * useraction.cc: Same.
366 * config/generic/tls.cc: Same.
367 * config/generic/cacheline.h: Same.
368 * config/generic/cachepage.h: Same.
369 * config/generic/cacheline.cc: Same.
370 * config/generic/unaligned.h: Same.
371 * config/x86/cacheline.h: Same.
372 * config/x86/cacheline.cc: Same.
373 * config/x86/unaligned.h: Same.
374 * config/alpha/cacheline.h: Same.
375 * config/alpha/unaligned.h: Same.
376 * config/alpha/sjlj.S: Same.
377 * config/posix/cachepage.cc: Same.
378 * config/linux/futex.h: Same.
379 * config/linux/alpha/futex_bits.h: Same.
381 2011-11-04 Torvald Riegel <triegel@redhat.com>
383 * libitm.texi: No cover text and invariant sections.
385 2011-11-03 Richard Henderson <rth@redhat.com>
387 * local_type_traits: New file.
388 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
390 2011-11-03 Richard Henderson <rth@redhat.com>
392 * configure.ac: Don't test for gfortran.
393 * configure: Rebuild.
395 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
396 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
398 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
400 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
401 * testsuite/libitm.c/memset-1.c: Same.
402 * testsuite/libitm.c/c.exp: Same.
403 * testsuite/lib/libitm-dg.exp: Same.
404 * testsuite/lib/libitm.exp: Same.
405 * testsuite/libitm.c++/c++.exp: Same.
407 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
409 * testsuite/config/default.exp: Update copyright date.
410 * configure.ac: Add copyright info.
411 * configure.tgt: Same.
413 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
415 * testsuite/libitm.c/reentrant.c: XFAIL.
416 * testsuite/libitm.c++/static_ctor.C: XFAIL.
418 2011-10-29 Torvald Riegel <triegel@redhat.com>
420 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
422 (_ITM_abortTransaction): Handle aborts of outer transactions.
424 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
425 * libitm.texi: Document aborts of outer transactions.
426 * testsuite/libitm.c/cancel.c: New file.
428 2011-10-19 Torvald Riegel <triegel@redhat.com>
430 * testsuite/*: Change __transaction to __transaction_atomic or
431 __transaction_relaxed.
433 2011-10-19 Torvald Riegel <triegel@redhat.com>
435 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
438 2011-10-19 Torvald Riegel <triegel@redhat.com>
440 * libitm_i.h: Add gl_wt dispatch.
441 * retry.cc (parse_default_method): Same.
442 * method-gl.cc: New file.
443 * Makefile.am: Use method-gl.cc.
444 * Makefile.in: Rebuild.
446 2011-10-19 Torvald Riegel <triegel@redhat.com>
448 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
449 safety if requested by a TM method.
450 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
451 privatization safety.
452 * method-serial.cc: Same.
454 2011-10-19 Torvald Riegel <triegel@redhat.com>
456 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
457 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
458 undolog-related member functions from *_local to *_undolog.
459 * local.cc (gtm_thread::commit_undolog): Same.
460 * beginend.cc (GTM::gtm_thread::trycommit): Same.
461 (GTM::gtm_thread::rollback): Roll back undolog before
462 dispatch-specific rollback.
464 2011-10-19 Torvald Riegel <triegel@redhat.com>
466 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
467 re-initialization of the current method group.
468 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
470 2011-10-19 Torvald Riegel <triegel@redhat.com>
472 * alloc.cc (commit_allocations_2): Do not free transaction-local
473 memory when committing a nested transaction.
475 2011-10-19 Torvald Riegel <triegel@redhat.com>
477 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
478 serial-irrevocable dispatch, not serial.
480 2011-10-19 Torvald Riegel <triegel@redhat.com>
482 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
484 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
485 * method-serial.cc: Implement begin_or_restart().
486 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
487 dispatch-specific begin_or_restart().
488 (GTM::gtm_thread::restart): Same.
490 2011-08-23 Torvald Riegel <triegel@redhat.com>
492 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
493 restarting without switching to serial mode.
494 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
495 transaction state. Choose closed-nesting alternative if available.
496 (GTM::gtm_thread::set_default_dispatch): New.
497 (parse_default_method): New.
498 (GTM::gtm_thread::number_of_threads_changed): New.
499 * method-serial.cc (GTM::serial_mg): New method group class.
500 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
502 (GTM::serial_dispatch): Same.
503 (GTM::serialirr_onwrite_dispatch): Same.
504 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
505 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
507 (GTM::gtm_thread::gtm_thread): Same.
508 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
509 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
510 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
511 choose dispatch but set state according to dispatch here.
512 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
513 (GTM::method_group): New class.
514 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
515 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
516 * libitm.texi: Document TM methods, method groups, method life cycle.
517 Rename method sets to method groups.
519 2011-08-23 Torvald Riegel <triegel@redhat.com>
521 * config/x86/tls.h: Moved to ...
522 * config/linux/x86/tls.h: ... here.
524 2011-08-23 Torvald Riegel <triegel@redhat.com>
526 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
528 * config/x86/sjlj.S: Same.
530 2011-08-19 Torvald Riegel <triegel@redhat.com>
532 * config/linux/rwlock.h: New file.
533 * config/linux/rwlock.c: New file.
534 * configure.ac: Reenable futex support (undo SVN rev 157758).
536 * configure.tgt: Same.
537 * config/linux/alpha/futex_bits.h: Same.
538 * config/linux/futex.h: Same. Return number of woken processes.
539 * config/linux/futex.cc: Same.
540 (futex_wait): Remove spinning.
541 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
542 Use __x86_64__ instead of __LP64__.
543 * aclocal.m4: Include generic futex checks.
544 * configure: Rebuild.
545 * Makefile.in: Rebuild.
546 * testsuite/Makefile.in: Rebuild.
547 * beginend.cc: Include pthread.h.
548 * config/posix/cachepage.cc: Same.
550 2011-08-12 Torvald Riegel <triegel@redhat.com>
552 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
553 (abi_disp, set_abi_disp): Move to tx's TLS slot.
555 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
557 (GTM::gtm_thread::thread_num): Removed.
558 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
559 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
560 tx-to-thread renaming.
561 * beginend.cc: Adapted to tx-to-thread renaming.
562 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
563 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
564 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
565 gtm_transaction to gtm_thread.
566 (_ITM_getThreadnum): Removed. Not supported anymore.
567 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
568 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
569 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
570 gtm_tx-to-gtm_thr renaming if necessary.
577 * alloc_cpp.cc: Same.
578 * method-serial.cc: Same.
579 * config/generic/tls.cc: Same.
580 * config/posix/rwlock.h (gtm_rwlock): Same.
581 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
583 2011-08-12 Torvald Riegel <triegel@redhat.com>
585 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
587 (gtm_rwlock::read_unlock): Same.
588 (gtm_rwlock::write_lock_generic): New. Generalized from ...
589 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
590 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
591 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
592 w_upgrade. Replaced by per-transaction flags (in shared_state).
593 Added c_confirmed_writers.
594 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
595 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
596 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
597 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
598 * beginend.cc (GTM::gtm_transaction::begin_transaction,
599 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
600 * libitm.texi: Document locking conventions and implementations in
603 2011-08-12 Torvald Riegel <triegel@redhat.com>
605 * libitm_i.h (next_tx): Add list of all threads' transaction.
606 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
607 transaction with list of transactions and ...
608 (thread_exit_handler): ... deregister here.
609 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
610 * config/x86/target.h: Same.
612 2011-08-12 Torvald Riegel <triegel@redhat.com>
614 * testsuite/libitm.c++/static_ctor.C: New file.
616 2011-08-12 Torvald Riegel <triegel@redhat.com>
618 * testsuite/libitm.c/reentrant.c: New file.
620 2011-08-12 Torvald Riegel <triegel@redhat.com>
622 * config/generic/tls.h: Remove the free list for transactions and ...
623 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
624 (GTM::gtm_transaction::operator delete): ... and release here.
625 (thread_exit_handler): New. Delete tx when thread terminates.
626 (thread_exit_init): New.
627 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
628 * testsuite/libitm.c/txrelease.c: New file.
630 2011-08-12 Torvald Riegel <triegel@redhat.com>
632 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
633 * testsuite/libitm.c/notx.c: New file.
635 2011-08-12 Torvald Riegel <triegel@redhat.com>
637 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
638 * libitm_i.h (local_tid): ... to here.
639 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
640 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
642 2011-08-12 Torvald Riegel <triegel@redhat.com>
644 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
645 serialirr_onwrite_dispatch as new default for now.
646 * method-serial.cc (serialirr_onwrite_dispatch): New.
647 (GTM::dispatch_serialirr_onwrite): New.
650 2011-08-12 Torvald Riegel <triegel@redhat.com>
652 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
653 * query.cc (_ITM_getTransactionId): There is no active transaction if
654 the current nesting level is zero.
656 2011-07-28 Torvald Riegel <triegel@redhat.com>
658 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
661 2011-07-28 Torvald Riegel <triegel@redhat.com>
663 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
664 transaction properties from the caller instead of from the
667 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
669 2011-07-28 Torvald Riegel <triegel@redhat.com>
671 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
672 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
674 * method-serial.cc: Same.
675 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
676 flat nesting as default, and closed nesting on demand.
677 (GTM::gtm_transaction::rollback): Same.
678 (_ITM_abortTransaction): Same.
679 (GTM::gtm_transaction::restart): Same.
680 (GTM::gtm_transaction::trycommit): Same.
681 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
682 (choose_code_path): New.
683 (GTM::gtm_transaction_cp::save): New.
684 (GTM::gtm_transaction_cp::commit): New.
685 * query.cc (_ITM_inTransaction): Support flat nesting.
686 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
687 (GTM::gtm_transaction): Support flat and closed nesting.
688 * alloc.cc (commit_allocations_2): New.
689 (commit_cb_data): New helper struct.
690 (GTM::gtm_transaction::commit_allocations): Handle nested
692 * libitm.texi: Update user action section, add description of nesting.
694 2011-07-28 Torvald Riegel <triegel@redhat.com>
696 * libitm_i.h: Add closed nesting as restart reason.
697 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
699 2011-07-28 Torvald Riegel <triegel@redhat.com>
701 * useraction.cc: Use vector instead of list to store actions.
702 Also support partial rollbacks for closed nesting.
703 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
706 2011-07-28 Torvald Riegel <triegel@redhat.com>
708 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
709 closed_nesting flags, as well as a closed nesting alternative.
710 * method-serial.cc: Same.
711 (serial_dispatch): Renamed to serialirr_dispatch.
712 (GTM::dispatch_serialirr): Same.
713 (serial_dispatch_ul): Renamed to serial_dispatch.
714 (GTM::dispatch_serial): Same.
716 2011-07-28 Torvald Riegel <triegel@redhat.com>
718 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
720 2011-07-28 Torvald Riegel <triegel@redhat.com>
722 * aatree.h (aa_tree::remove): New.
723 (aa_tree::operator new): Add placement new.
725 2011-07-02 Torvald Riegel <triegel@redhat.com>
727 * containers.h: New file.
728 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
729 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
730 * common.h: ... to here.
731 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
734 2011-06-30 Torvald Riegel <triegel@redhat.com>
736 * libitm_i.h (STATE_ABORTING): Remove.
737 * beginend.cc (_ITM_abortTransaction): Same.
738 (GTM::gtm_transaction::trycommit_and_finalize): Same.
739 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
740 (_ITM_rollbackTransaction): Remove.
743 * libitm.texi: Document these ABI changes.
745 2011-06-30 Torvald Riegel <triegel@redhat.com>
747 * libitm.texi: New file.
748 * Makefile.am: Add libitm.texi.
749 * Makefile.in: Rebuild.
751 2011-06-30 Torvald Riegel <triegel@redhat.com>
753 * libitm_i.h: Move parts to common.h and dispatch.h.
754 * common.h: New file.
755 * dispatch.h: New file, new dispatch class.
756 Rename GTM::abi_dispatch::lock_type to ls_modifier.
757 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
758 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
759 decision to retry.cc.
760 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
762 (GTM::gtm_transaction::decide_begin_dispatch): Same.
763 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
765 * barrier.cc: Use new barriers definitions.
766 (abi_dispatch::memmove_overlap_check): New.
767 * config/x86/x86_sse.cc: Same.
768 * config/x86/x86_avx.cc: Same.
769 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
771 * Makefile.in: Rebuild.
772 * method-readonly.cc: Remove.
773 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
774 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
776 2011-06-30 Torvald Riegel <triegel@redhat.com>
778 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
779 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
780 * testsuite/libitm.c/dropref-2.c: Same.
781 * testsuite/libitm.c/dropref.c: Same.
783 2011-06-30 Torvald Riegel <triegel@redhat.com>
785 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
786 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
787 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
791 * config/generic/tls.h: Same.
792 * config/x86/tls.h: Same.
796 * method-readonly.cc: Same.
797 * method-serial.cc: Same.
798 * method-wbetl.cc: Same.
801 2011-03-03 Richard Henderson <rth@redhat.com>
803 * config/posix/rwlock.cc (write_upgrade): Add missing case.
804 From Patrik Marlier <patrick.marlier@unine.ch>.
806 2011-02-03 Richard Henderson <rth@redhat.com>
808 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
809 * configure.ac: Use it.
810 * configure, config.h.in: Rebuild.
811 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
812 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
813 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
814 * libitm.map: Use wildcards to match size_t mangling.
816 2010-12-14 Richard Henderson <rth@redhat.com>
818 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
819 blocks of TIDs per thread.
820 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
821 (setup_gtm_thr): Return the thread structure.
822 * config/x86/tls.h (setup_gtm_thr): Likewise.
824 2010-12-14 Richard Henderson <rth@redhat.com>
826 * clone.cc (table_lock): Remove.
827 (find_clone): Don't take it.
828 (ExcludeTransaction): New helper class.
829 (_ITM_registerTMCloneTable): Use it.
830 (_ITM_deregisterTMCloneTable): Likewise.
832 2010-12-14 Richard Henderson <rth@redhat.com>
834 * config/x86/tls.h: New file.
836 2010-07-15 Richard Henderson <rth@redhat.com>
838 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
839 * Makefile.in: Rebuild.
841 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
843 * method-wbetl.cc (trydropreference): Fix source line.
845 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
847 * libitm.h: Add comment.
848 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
850 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
852 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
853 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
854 available, use pthread mutexes.
855 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
856 * config.h.in: Regenerate.
857 * configure: Regenerate.
859 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
861 * libitm.h (ITM_PURE): Define.
862 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
864 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
866 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
867 (validate): Add comment.
868 (trydropreference): New.
869 * method-readonly.cc (class readonly_dispatch): Add
871 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
872 Call trydropreference().
873 * libitm.h (_ITM_dropReferences): Remove const attribute.
874 * method-serial.cc (class serial_dispatch): Add trydropreference.
875 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
877 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
879 * memcpy.cc (do_memcpy): Comment.
881 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
883 * barrier.tpl: Add comments throughout.
885 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
887 * method-wbetl.cc (struct w_entry): Add comments.
891 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
893 * alloc_c.cc (_ITM_dropReferences): New.
894 * libitm.map (_ITM_dropReferences): Add.
895 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
896 * libitm_i.h (struct gtm_transaction): Declare
897 drop_references_allocations and drop_references_local.
898 * local.cc (rollback_local): Ignore memory when applicable.
899 (drop_references_local): New.
901 2010-06-23 Richard Henderson <rth@redhat.com>
903 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
904 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
905 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
906 * config/alpha/target.h: Likewise.
907 * config/generic/tls.cc (gtm_mask_stack): Use it.
909 2010-06-23 Richard Henderson <rth@redhat.com>
911 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
912 a mutex instead of trying a lock-free compare-and-swap on the list.
913 (gtm_cacheline_page::operator delete): Likewise.
915 2010-06-16 Richard Henderson <rth@redhat.com>
917 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
918 that overlap the libitm stack.
919 * barrier.tpl: Mark incoming stack.
920 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
921 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
922 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
923 * memcpy.cc, memset.cc: Likewise.
924 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
925 * config/generic/tls.h (gtm_thread): Add stack_top member.
926 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
927 * libitm_i.h (gtm_mask_stack): Declare.
928 * config/generic/tls.cc: New file.
929 * Makefile.am (libitm_la_SOURCES): Add it.
930 (AM_CXXFLAGS): Turn off exceptions.
931 * Makefile.in: Rebuild.
933 2010-06-16 Richard Henderson <rth@redhat.com>
935 * alloc.cc (struct gtm_alloc_action): Move definition ...
936 * libitm_i.h: ... here.
937 (class gtm_transaction): Declare new and delete.
938 * beginend.cc (alloc_tx): Reformulate as operator new.
939 (free_tx): Reformulate as operator delete.
940 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
942 2010-06-11 Richard Henderson <rth@redhat.com>
944 * clone.cc (clone_entry_compare): Fix typo.
945 From Patrik Marlier <patrick.marlier@unine.ch>.
947 2010-05-13 Richard Henderson <rth@redhat.com>
949 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
952 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
954 * libitm_i.h (struct gtm_transaction): Remove
956 (record_allocation): Remove size parameter.
957 * libitm.map (_ITM_realloc): Remove.
958 * alloc_c.cc (_ITM_realloc): Remove.
959 (_ITM_malloc): Remove size argument to record_allocation.
961 * alloc_cpp.cc (_ZGTtnwm): Same.
962 (_ZGTtnwmRKSt9nothrow_t): Same.
964 (_ZGTtnamRKSt9nothrow_t): Same.
965 * alloc.cc (struct gtm_alloc_action): Remove size.
966 (get_allocation_size): Remove.
967 (commit_allocations): Add comment.
968 (record_allocation): Remove size parameter.
969 (forget_allocation): Remove set of size.
971 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
973 * Makefile.am (abi_version): New.
974 (AM_CXXFLAGS): Pass abi_version.
975 * Makefile.in: Regenerate.
976 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
978 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
980 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
981 _ITM_getTMCloneOrIrrevokable.
982 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
983 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
985 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
987 * configure.ac: Remove Linux futex support.
988 * configure.tgt (config_path): Same.
990 * config/linux: Remove entire directory.
991 * configure: Rebuild.
992 * Makefile.in: Rebuild.
993 * testsuite/Makefile.in: Rebuild.
995 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
997 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
998 switching to serial mode.
999 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1001 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1003 * configure.tgt: Add emacs -*- tags.
1004 * barrier.tpl: Same.
1006 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1008 * Makefile.am: Rename serial.cc to method-serial.cc.
1009 * Makefile.in: Regenerate with automake 1.11.1.
1010 * testsuite/Makefile.in: Same.
1011 * aclocal.m4: Regenerate with aclocal 1.11.1.
1012 * method-serial.cc: Rename from serial.cc.
1013 * libitm_i.h (struct gtm_transaction): Update comment on
1016 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1018 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1019 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1021 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1023 * configure: Rebuild.
1025 2009-11-12 Richard Henderson <rth@redhat.com>
1027 * Rewrite everything in C++.
1029 2009-11-03 Richard Henderson <rth@redhat.com>
1031 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1032 * Makefile.am (libitm_la_SOURCES): Add them.
1033 * configure.ac (ARCH_X86): New conditional.
1034 * Makefile.in, configure: Rebuild.
1035 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1036 Move futex setup into "other system configury" case.
1037 * local.c (rollback_local): Merge into ...
1038 (GTM_rollback_local): ... here.
1039 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1040 (_ITM_LB): Define as an alias to GTM_LB.
1042 2009-11-03 Richard Henderson <rth@redhat.com>
1044 * method-readonly.c: New file.
1045 * Makefile.am (libitm_la_SOURCES): Add it.
1046 * Makefile.in: Rebuild.
1047 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1048 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1049 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1050 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1051 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1052 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1053 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1054 gtm_get_clock, gtm_inc_clock): New.
1055 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1056 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1057 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1058 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1059 replace uses with new libitm_i.h symbols.
1060 (dispatch_wbetl): Rename from wbetl_dispatch.
1061 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1062 away from dispatch_readonly; abort if the beginTransaction call
1063 asserted that the transaction was readonly.
1065 2009-11-03 Richard Henderson <rth@redhat.com>
1067 * memset.c: New file.
1068 * Makefile.am (libitm_la_SOURCES): Add it.
1069 * Makefile.in: Rebuild.
1070 * testsuite/libitm.c/memset-1.c: New.
1072 2009-11-03 Richard Henderson <rth@redhat.com>
1074 * dispatch.c: Remove file.
1075 * useraction.c (struct gtm_user_action): Move from libitm.h.
1076 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1077 (serial_memset, serial_memmove, serial_memcpy): Remove.
1078 (serial_W*, serial_R*): Remove.
1079 (serial_dispatch): Update to match.
1080 * configure.ac: Move Werror down below configure checks. Don't
1081 check for sys/loadavg.h, do check for malloc.h. Don't check for
1082 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1083 Use GCC_AC_FUNC_MMAP_BLACKLIST
1084 * libitm.h: Split out all internal items to...
1085 * libitm_i.h: ... here. New file.
1086 * copymask.c: New file.
1087 * local.c (struct gtm_local_undo): Move from libitm.h.
1088 (GTM_alloc_local): Rename from alloc_local; export.
1089 * memcpy.c: New file.
1090 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1091 * config/posix/page.c: New file.
1092 * config/posix/target_tls.h: Remove file.
1093 * barrier.c: New file.
1094 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1096 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1097 * method-wbetl.c: Rewrite for new cacheline methods.
1098 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1100 * config/alpha/sjlj.S: Fix typo.
1101 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1102 * config/alpha/copymask.c: New file.
1103 * config/alpha/target.h (CACHELINE_SIZE): New.
1104 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1106 * config/x86/target_i.h: Copy functions from x86/target.h.
1107 * config/x86/copymask.c: New file.
1108 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1109 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1110 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1111 * config/x86/target_tls.h: Move contents to target_i.h.
1113 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1114 * testsuite/libitm.c/memcpy-1.c: New.
1116 2009-10-22 Richard Henderson <rth@redhat.com>
1118 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1119 (AM_CCASFLAGS): New.
1120 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1121 saving/restoring _AC_ARG_VAR_PRECIOUS.
1122 * Makefile.in, aclocal.m4, config.h.in, configure,
1123 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1125 2009-10-22 Richard Henderson <rth@redhat.com>
1127 * testsuite/*: Update for new compiler syntax.
1129 2009-10-21 Richard Henderson <rth@redhat.com>
1131 * libitm.h (_ITM_abortReason): Add outerAbort.
1133 2009-08-03 Richard Henderson <rth@redhat.com>
1135 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1136 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1137 * method-wbetl.c (struct w_entry): Remove mask.
1138 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1141 2009-07-22 Richard Henderson <rth@redhat.com>
1143 * eh_cpp.c: New file.
1144 * Makefile.am (libitm_la_SOURCES): Add it.
1145 * Makefile.in: Rebuild.
1146 * beginend.c (GTM_rollback_transaction): Undo exception state.
1147 (GTM_trycommit_transaction): Mark inline.
1148 (GTM_trycommit_and_finalize_transaction): Split out from ...
1149 (_ITM_commitTransaction): ... here.
1150 (_ITM_commitTransactionEH): New function.
1151 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1152 cxa_unthrown, eh_in_flight; reorder.
1154 * testsuite/libitm.c++/c++.exp: New.
1155 * testsuite/libitm.c++/eh-1.C: New.
1157 * aatree.c (aa_free): Remove REGPARM.
1158 * aatree.h: Remove all REGPARM.
1160 2009-07-18 Richard Henderson <rth@redhat.com>
1162 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1163 * Makefile.am (libitm_la_SOURCES): Add them.
1164 * Makefile.in: Rebuild.
1165 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1166 (GTM_trycommit_transaction): Likewise.
1167 * libitm.h: Include aatree.h
1168 (struct gtm_alloc_action): New.
1169 (struct gtm_transaction): Add alloc_actions.
1170 (GTM_record_allocation, GTM_forget_allocation): Declare.
1171 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1172 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1173 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1174 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1175 _ZGTtdaPvRKSt9nothrow_t): Export.
1177 2009-07-18 Richard Henderson <rth@redhat.com>
1179 * target_tls.h: Move ...
1180 * config/posix/target_tls.h: ... here.
1182 2009-07-07 Richard Henderson <rth@redhat.com>
1184 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1186 2009-07-07 Richard Henderson <rth@redhat.com>
1190 2009-07-07 Richard Henderson <rth@redhat.com>
1192 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1193 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1195 * configure.tgt: Don't use -ftls-model for x86 linux.
1196 * libitm.h: Include target.h after standard includes.
1197 (_gtm_thr): Rename from gtm_thr.
1198 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1199 (gtm_disp, set_gtm_disp): New.
1200 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1201 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1202 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1204 2009-07-07 Richard Henderson <rth@redhat.com>
1206 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1208 2009-07-06 Richard Henderson <rth@redhat.com>
1210 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1211 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1212 (_ITM_beginTransaction): Take variadic arguments.
1213 (_ITM_registerThrownObject): Declare.
1214 * beginend.c, serial.c: Update.
1215 * libitm.map: Add _ITM_registerThrownObject.
1217 2009-01-28 Richard Henderson <rth@redhat.com>
1219 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1220 * Makefile.in: Rebuild.
1221 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1222 (GTM_restart_transaction): Fix uninstrumented code check.
1223 * retry.c (GTM_decide_retry_strategy): Add serial check.
1224 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1225 automatically go irrevokable when in serial mode.
1226 * clone.c: New file.
1227 * libitm.h, libitm.map: Update.
1229 2009-01-27 Richard Henderson <rth@redhat.com>
1231 * Makefile.am (LTCCASCOMPILE): Define.
1232 (libitm_la_SOURCES): Add methid-wbetl.c.
1233 * testsuite/Makefile.am: New
1234 * configure.ac: Add testsuite/Makefile.
1235 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1236 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1237 (_ITM_abortTransaction): Finalize implementation method; pass
1238 transaction properties to longjmp.
1239 (GTM_restart_transaction): Split out from ...
1240 (_ITM_commitTransaction): ... here.
1241 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1242 Move to config/x86/target.h.
1243 * config/linux/alpha/futex_bits.h: New.
1244 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1245 * config/x86/target.h: Disable target types for 32-bit.
1246 * config/alpha/sjlj.S, config/alpha/target.h: New.
1247 * libitm.h (struct gtm_dispatch): Add init, fini.
1248 (enum restart_reason): New.
1249 (struct gtm_transaction): Add method and restarts.
1250 * retry.c (GTM_decide_retry_strategy): Implement.
1251 * serial.c (serial_init, serial_fini): New.
1252 (GTM_serialmode): Finialize outgoing method.
1253 * method-wbetl.c: New.
1255 2008-12-09 Richard Henderson <rth@redhat.com>
1257 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1258 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1259 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1260 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1261 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1262 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1263 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1264 * serial.c (serial_R##T, serial_W##T): Likewise.
1266 2008-11-21 Richard Henderson <rth@redhat.com>