1 2012-06-14 Release Manager
5 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
7 Backported from mainline
8 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
11 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
14 2012-03-22 Release Manager
18 2012-03-13 Torvald Riegel <triegel@redhat.com>
21 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
24 2012-03-02 Torvald Riegel <triegel@redhat.com>
26 * libitm.texi: Link to specification and add a usage example.
28 2012-02-24 Torvald Riegel <triegel@redhat.com>
30 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
31 default dispatch for more than 1 thread to ml_wt.
33 2012-02-20 Torvald Riegel <triegel@redhat.com>
35 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
37 2012-02-20 Torvald Riegel <triegel@redhat.com>
39 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
41 2012-02-20 Torvald Riegel <triegel@redhat.com>
43 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
44 serial mode corner cases made obsolete by prior gtm_rwlock changes.
45 (gl_wt_dispatch.rollback): Same.
47 2012-02-20 Torvald Riegel <triegel@redhat.com>
49 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
51 2012-02-20 Torvald Riegel <triegel@redhat.com>
53 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
54 for RfW src. Optimize number of calls to gtm_thr.
56 2012-02-20 Torvald Riegel <triegel@redhat.com>
58 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
60 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
61 (default_dispatch): Make atomic.
62 (GTM::gtm_thread::set_default_dispatch): Access atomically.
63 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
64 use decide_begin_dispatch() if default_dispatch might have changed.
65 (GTM::gtm_thread::number_of_threads_changed): Initialize
66 default_dispatch here.
68 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
69 Patrick Marlier <patrick.marlier@gmail.com>
72 * alloc_cpp.cc: No dummy definitions for darwin.
73 * eh_cpp.cc: Likewise.
75 2012-02-14 Richard Henderson <rth@redhat.com>
77 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
79 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
81 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
83 2012-02-14 Torvald Riegel <triegel@redhat.com>
85 * libitm_i.h (GTM::gtm_rwlog_entry): New.
86 (GTM::gtm_thread): Add read and write logs.
87 (GTM::dispatch_ml_wt): Declare.
88 * retry.cc (parse_default_method): Support ml_wt.
89 * method-ml.cc: New file.
90 * Makefile.am: Add method-ml.cc.
91 * Makefile.in: Regenerate.
93 2012-02-14 Torvald Riegel <triegel@redhat.com>
95 * dispatch.h (GTM::abi_dispatch::supports): New.
96 (GTM::method_group::reinit): New.
97 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
98 (GTM::gtm_thread::number_of_threads_changed): Check that the method
99 supports the current situation.
101 2012-02-14 Torvald Riegel <triegel@redhat.com>
103 * util.cc (GTM::xcalloc): New.
104 * common.h (GTM::xcalloc): Declare.
106 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
108 * config/sparc/target.h (cpu_relax): Read from CC register.
109 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
111 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
113 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
115 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
117 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
118 * config/sparc/cacheline.h: New file.
119 * config/sparc/target.h: Likewise.
120 * config/sparc/sjlj.S: Likewise.
121 * config/linux/sparc/futex_bits.h: Likewise.
123 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
125 * configure.ac (link_itm): Fix comment.
126 * configure: Regenerate.
127 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
129 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
132 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
133 Correct libgomp references.
135 2012-01-24 Torvald Riegel <triegel@redhat.com>
137 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
140 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
142 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
144 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
145 offset values. Do not copy return address. Decrement stack
147 (GTM_longjump) [__x86_64__]: Update offset values.
149 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
152 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
153 the first function argument to %eax.
155 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
157 * libitm.h (_ITM_getThreadnum): Remove.
158 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
160 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
162 * clearcap.map: New file.
163 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
164 * configure.ac: Call it.
165 Clear HWCAP_LDFLAGS if defaulting to -mavx.
166 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
167 * configure: Regenerate.
168 * Makefile.in: Regenerate.
169 * testsuite/Makefile.in: Regenerate.
171 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
174 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
175 include, exclude options.
177 2012-01-14 Torvald Riegel <triegel@redhat.com>
179 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
181 * containers.h (GTM::vector::set_size): New.
183 2012-01-14 Torvald Riegel <triegel@redhat.com>
186 * config/generic/tls.h (GTM::mask_stack_top): New.
187 (GTM::mask_stack_bottom): Declare.
188 * config/generic/tls.c (GTM::mask_stack_bottom): New.
189 * local.cc (gtm_undolog::rollback): Filter out any updates that
190 overlap the libitm stack. Add current transaction as parameter.
191 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
192 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
193 * testsuite/libitm.c/stackundo.c: New test.
195 2012-01-10 Richard Henderson <rth@redhat.com>
197 * libitm_i.h (_Unwind_DeleteException): Declare weak.
198 * eh_cpp.cc (_Unwind_DeleteException): Define for
199 !HAVE_ELF_STYLE_WEAKREF.
201 2012-01-08 Torvald Riegel <triegel@redhat.com>
203 * local.cc (GTM_LB): Use GTM::gtm_undolog.
204 (GTM::gtm_thread::drop_references_undolog): Remove.
205 (GTM::gtm_thread::commit_undolog,
206 GTM::gtm_thread::rollback_undolog): Move to ...
207 * libitm_i.h (GTM::gtm_undolog): ...here. New.
208 (GTM::gtm_undolog_entry): Remove.
209 (GTM::gtm_thread): Adapt.
210 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
211 (GTM::gtm_thread::trycommit): Adapt.
212 * method-serial.cc (serial_dispatch::log): Adapt.
213 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
214 (gl_wt_dispatch::store): Fix likely/unlikely.
215 * containers.h (GTM::vector::resize): Add additional_capacity
216 parameter and handle it.
217 (GTM::vector::resize_noinline): New/adapt.
218 (GTM::vector::push): New.
220 2012-01-06 Richard Henderson <rth@redhat.com>
222 * configure.tgt: Support powerpc-linux and powerpc-darwin.
223 * config/linux/powerpc/futex_bits.h: New file.
224 * config/powerpc/cacheline.h: New file.
225 * config/powerpc/sjlj.S: New file.
226 * config/powerpc/target.h: New file.
227 * config/generic/asmcfi.h (cfi_offset): New.
228 (cfi_restore, cfi_undefined): New.
230 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
233 * testsuite/libitm.c/reentrant.c: Remove xfail.
234 (thread): Pass x to pure().
235 From Patrik Marlier <patrick.marlier@gmail.com>.
237 2011-12-24 Torvald Riegel <triegel@redhat.com>
239 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
240 privatization safety if already in serial mode.
242 2011-12-24 Torvald Riegel <triegel@redhat.com>
244 * beginend.cc (GTM::gtm_thread::restart): Add and handle
245 finish_serial_upgrade parameter.
246 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
247 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
248 Don't unset reader flag.
249 (GTM::gtm_rwlock::write_upgrade_finish): New.
250 * config/posix/rwlock.cc: Same.
251 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
253 * config/posix/rwlock.h: Same.
254 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
255 flag after commit or after rollback when restarting.
257 2011-12-24 Torvald Riegel <triegel@redhat.com>
259 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
260 (GTM::gtm_thread::try_commit): Changed memory order.
261 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
263 * config/linux/x86/futex_bits.h (sys_futex0): Same.
264 * config/linux/sh/futex_bits.h (sys_futex0): Same.
265 * config/linux/futex_bits.h (sys_futex0): Same.
266 * config/linux/futex.cc (futex_wait, futex_wake): Same.
267 * config/linux/futex.h (futex_wait, futex_wake): Same.
268 * config/linux/rwlock.h (gtm_rwlock::writers,
269 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
271 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
272 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
273 gtm_rwlock::write_unlock): Fix memory orders and fences.
274 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
275 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
276 gtm_rwlock::write_unlock): Same.
277 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
278 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
279 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
281 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
282 gl_wt_dispatch::load, gl_wt_dispatch::store,
283 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
284 orders and fences. Add comments.
286 2011-12-21 Jakub Jelinek <jakub@redhat.com>
288 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
289 * Makefile.in: Regenerated.
291 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
293 * configure.tgt: Add sh* case.
294 * config/sh/target.h: New file.
295 * config/sh/sjlj.S: New file.
296 * config/linux/sh/futex_bits.h: New file.
298 2011-12-14 Richard Henderson <rth@redhat.com>
300 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
301 * config/arm/sjlj.S, config/arm/target.h: New files.
302 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
303 (cfi_rel_offset): New.
304 * config/linux/futex_bits.h: New file.
305 * config/linux/futex.cc: Include futex_bits.h here...
306 * config/linux/futex.h: ... not here.
307 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
308 * configure.ac (ARCH_AM): New conditional.
309 * Makefile.in, configure: Rebuild.
310 * configure.tgt: Handle ARM.
312 2011-12-13 Richard Henderson <rth@redhat.com>
314 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
315 signed/unsigned comparison werror.
317 * local_atomic: New file.
318 * libitm_i.h: Include it.
319 (gtm_thread::shared_state): Use atomic template.
320 * beginend.cc (GTM::gtm_clock): Use atomic template.
321 (global_tid): Use atomic template if 64-bit atomics available.
322 (gtm_thread::gtm_thread): Update shared_state access.
323 (gtm_thread::trycommit): Likewise.
324 (choose_code_path): Update global_tid access.
325 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
326 * stmlock.h (GTM::gtm_clock): Use atomic template.
327 (gtm_get_clock, gtm_inc_clock): Update accesses.
328 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
329 redundant __sync_synchronize after atomic shared_state access.
330 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
331 (gtm_rwlock::write_lock_generic): Likewise.
332 (gtm_rwlock::read_unlock): Likewise.
333 * config/alpha/target.h (atomic_read_barrier): Remove.
334 (atomic_write_barrier): Remove.
335 * config/x86/target.h (atomic_read_barrier): Remove.
336 (atomic_write_barrier): Remove.
338 2011-11-30 Richard Henderson <rth@redhat.com>
340 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
341 * beginend.c (_ITM_abortTransaction): Update to match.
342 (GTM::gtm_thread::restart): Likewise.
343 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
344 * config/x86/sjlj.S (GTM_longjmp): Likewise.
346 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
348 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
349 * Makefile.in: Regenerate.
351 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
353 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
354 * alloc_cpp.cc: Generate dummy functions if we don't
355 HAVE_ELF_STYLE_WEAKREF.
356 * eh_cpp.cc: Likewise.
357 * configure: Regenerate.
358 * aclocal.m4: Likewise.
359 * config.h.in: Likewise.
360 * Makefile.in: Likewise.
361 * testsuite/Makefile.in: Likewise.
363 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
365 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
366 __USER_LABEL_PREFIX__ for targets that use it.
367 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
368 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
369 in portability to non-elf targets.
370 (GTM_longjmp): Likewise.
371 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
374 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
376 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
377 * testsuite/libitm.c/memset-1.c: Likewise.
379 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
381 * configure: Regenerate.
383 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
385 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
386 (LIBITM_ENABLE_SYMVERS): Handle sun style.
387 * Makefile.am: Handle sun style versioning.
388 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
389 * configure: Regenerate.
390 * Makefile.in: Regenerate.
392 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
394 * config/generic/asmcfi.h: Fix comment.
395 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
396 sequence without .hidden support, error for non-ELF targets.
397 (GTM_longjmp) [__ELF__]: Only use .hidden if
398 HAVE_ATTRIBUTE_VISIBILITY.
400 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
402 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
403 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
405 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
406 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
408 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
411 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
412 * configure: Regenerate.
414 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
416 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
418 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
420 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
422 (.note.GNU-stack): Only use if __linux__.
423 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
424 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
425 * testsuite/libitm.c/reentrant.c: Likewise.
426 * testsuite/libitm.c/simple-2.c: Likewise.
427 * testsuite/libitm.c/txrelease.c: Likewise.
428 * testsuite/libitm.c++/static_ctor.C: Likewise.
430 2011-11-10 Richard Henderson <rth@redhat.com>
432 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
433 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
434 * configure.ac (ARCH_X86_AVX): New conditional.
435 * Makefile.in, configure: Rebuild.
437 2011-11-09 Richard Henderson <rth@redhat.com>
439 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
440 * configure.ac: Use it.
441 * config.h.in, configure: Rebuild.
442 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
444 2011-11-09 Richard Henderson <rth@redhat.com>
446 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
447 * config/alpha/unaligned.h: Remove file.
448 * config/generic/unaligned.h: Remove file.
449 * config/x86/unaligned.h: Remove file.
450 * config/generic/cachepage.h: Remove file.
451 * config/posix/cachepage.cc: Remove file.
452 * config/generic/cacheline.cc: Remove file.
453 * config/x86/cacheline.cc: Remove file.
454 * config/generic/cacheline.h (gtm_cacheline): Remove the
455 store_mask, copy_mask, copy_mask_wb methods.
456 * config/x86/cacheline.h: Likewise.
457 * config/alpha/cacheline.h: Fall back to generic after setting size.
458 * config/generic/tls.cc (gtm_mask_stack): Remove.
459 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
460 (GTM_vpalignr_table): Remove.
461 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
462 (GTM_pshift_table): Remove.
463 * config/libitm_i.h: Don't include cachepage.h.
464 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
465 * Makefile.in, testsuite/Makefile.in: Rebuild.
467 2011-11-09 Richard Henderson <rth@redhat.com>
469 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
470 to emit branch prediction hint.
472 * config/x86/sjlj.S: Protect elf directives with __ELF__.
473 Protect .note.GNU-stack with __linux__.
475 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
476 * configure, aclocal.m4, config.h.in: Rebuild.
477 * config/generic/asmcfi.h: New file.
478 * config/x86/sjlj.S: Use it.
480 2011-11-08 Richard Henderson <rth@redhat.com>
482 * local.cc (_ITM_LB): Use a normal call, not a function alias.
484 2011-11-08 Richard Henderson <rth@redhat.com>
486 * configure.tgt: Test correct directory for supported cpus.
488 * configure.ac: Exit if unsupported.
489 * configure: Rebuild.
490 * configure.tgt: Delete boilerplate from libgomp for unsupported
491 targets. Set UNSUPPORTED for unsupported targets.
493 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
495 * configure.tgt: Handle i386 like i[456]86.
496 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
498 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
499 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
501 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
503 * method-wbetl.cc: Update copyright notice.
510 * useraction.cc: Same.
514 * config/generic/tls.cc: Same.
515 * config/generic/cacheline.h: Same.
516 * config/generic/cachepage.h: Same.
517 * config/generic/cacheline.cc: Same.
518 * config/generic/unaligned.h: Same.
519 * config/x86/cacheline.h: Same.
520 * config/x86/cacheline.cc: Same.
521 * config/x86/unaligned.h: Same.
522 * config/alpha/cacheline.h: Same.
523 * config/alpha/unaligned.h: Same.
524 * config/alpha/sjlj.S: Same.
525 * config/posix/cachepage.cc: Same.
526 * config/linux/futex.h: Same.
527 * config/linux/alpha/futex_bits.h: Same.
529 2011-11-04 Torvald Riegel <triegel@redhat.com>
531 * libitm.texi: No cover text and invariant sections.
533 2011-11-03 Richard Henderson <rth@redhat.com>
535 * local_type_traits: New file.
536 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
538 2011-11-03 Richard Henderson <rth@redhat.com>
540 * configure.ac: Don't test for gfortran.
541 * configure: Rebuild.
543 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
544 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
546 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
548 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
549 * testsuite/libitm.c/memset-1.c: Same.
550 * testsuite/libitm.c/c.exp: Same.
551 * testsuite/lib/libitm-dg.exp: Same.
552 * testsuite/lib/libitm.exp: Same.
553 * testsuite/libitm.c++/c++.exp: Same.
555 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
557 * testsuite/config/default.exp: Update copyright date.
558 * configure.ac: Add copyright info.
559 * configure.tgt: Same.
561 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
563 * testsuite/libitm.c/reentrant.c: XFAIL.
564 * testsuite/libitm.c++/static_ctor.C: XFAIL.
566 2011-10-29 Torvald Riegel <triegel@redhat.com>
568 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
570 (_ITM_abortTransaction): Handle aborts of outer transactions.
572 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
573 * libitm.texi: Document aborts of outer transactions.
574 * testsuite/libitm.c/cancel.c: New file.
576 2011-10-19 Torvald Riegel <triegel@redhat.com>
578 * testsuite/*: Change __transaction to __transaction_atomic or
579 __transaction_relaxed.
581 2011-10-19 Torvald Riegel <triegel@redhat.com>
583 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
586 2011-10-19 Torvald Riegel <triegel@redhat.com>
588 * libitm_i.h: Add gl_wt dispatch.
589 * retry.cc (parse_default_method): Same.
590 * method-gl.cc: New file.
591 * Makefile.am: Use method-gl.cc.
592 * Makefile.in: Rebuild.
594 2011-10-19 Torvald Riegel <triegel@redhat.com>
596 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
597 safety if requested by a TM method.
598 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
599 privatization safety.
600 * method-serial.cc: Same.
602 2011-10-19 Torvald Riegel <triegel@redhat.com>
604 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
605 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
606 undolog-related member functions from *_local to *_undolog.
607 * local.cc (gtm_thread::commit_undolog): Same.
608 * beginend.cc (GTM::gtm_thread::trycommit): Same.
609 (GTM::gtm_thread::rollback): Roll back undolog before
610 dispatch-specific rollback.
612 2011-10-19 Torvald Riegel <triegel@redhat.com>
614 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
615 re-initialization of the current method group.
616 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
618 2011-10-19 Torvald Riegel <triegel@redhat.com>
620 * alloc.cc (commit_allocations_2): Do not free transaction-local
621 memory when committing a nested transaction.
623 2011-10-19 Torvald Riegel <triegel@redhat.com>
625 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
626 serial-irrevocable dispatch, not serial.
628 2011-10-19 Torvald Riegel <triegel@redhat.com>
630 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
632 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
633 * method-serial.cc: Implement begin_or_restart().
634 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
635 dispatch-specific begin_or_restart().
636 (GTM::gtm_thread::restart): Same.
638 2011-08-23 Torvald Riegel <triegel@redhat.com>
640 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
641 restarting without switching to serial mode.
642 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
643 transaction state. Choose closed-nesting alternative if available.
644 (GTM::gtm_thread::set_default_dispatch): New.
645 (parse_default_method): New.
646 (GTM::gtm_thread::number_of_threads_changed): New.
647 * method-serial.cc (GTM::serial_mg): New method group class.
648 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
650 (GTM::serial_dispatch): Same.
651 (GTM::serialirr_onwrite_dispatch): Same.
652 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
653 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
655 (GTM::gtm_thread::gtm_thread): Same.
656 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
657 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
658 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
659 choose dispatch but set state according to dispatch here.
660 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
661 (GTM::method_group): New class.
662 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
663 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
664 * libitm.texi: Document TM methods, method groups, method life cycle.
665 Rename method sets to method groups.
667 2011-08-23 Torvald Riegel <triegel@redhat.com>
669 * config/x86/tls.h: Moved to ...
670 * config/linux/x86/tls.h: ... here.
672 2011-08-23 Torvald Riegel <triegel@redhat.com>
674 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
676 * config/x86/sjlj.S: Same.
678 2011-08-19 Torvald Riegel <triegel@redhat.com>
680 * config/linux/rwlock.h: New file.
681 * config/linux/rwlock.c: New file.
682 * configure.ac: Reenable futex support (undo SVN rev 157758).
684 * configure.tgt: Same.
685 * config/linux/alpha/futex_bits.h: Same.
686 * config/linux/futex.h: Same. Return number of woken processes.
687 * config/linux/futex.cc: Same.
688 (futex_wait): Remove spinning.
689 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
690 Use __x86_64__ instead of __LP64__.
691 * aclocal.m4: Include generic futex checks.
692 * configure: Rebuild.
693 * Makefile.in: Rebuild.
694 * testsuite/Makefile.in: Rebuild.
695 * beginend.cc: Include pthread.h.
696 * config/posix/cachepage.cc: Same.
698 2011-08-12 Torvald Riegel <triegel@redhat.com>
700 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
701 (abi_disp, set_abi_disp): Move to tx's TLS slot.
703 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
705 (GTM::gtm_thread::thread_num): Removed.
706 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
707 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
708 tx-to-thread renaming.
709 * beginend.cc: Adapted to tx-to-thread renaming.
710 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
711 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
712 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
713 gtm_transaction to gtm_thread.
714 (_ITM_getThreadnum): Removed. Not supported anymore.
715 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
716 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
717 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
718 gtm_tx-to-gtm_thr renaming if necessary.
725 * alloc_cpp.cc: Same.
726 * method-serial.cc: Same.
727 * config/generic/tls.cc: Same.
728 * config/posix/rwlock.h (gtm_rwlock): Same.
729 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
731 2011-08-12 Torvald Riegel <triegel@redhat.com>
733 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
735 (gtm_rwlock::read_unlock): Same.
736 (gtm_rwlock::write_lock_generic): New. Generalized from ...
737 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
738 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
739 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
740 w_upgrade. Replaced by per-transaction flags (in shared_state).
741 Added c_confirmed_writers.
742 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
743 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
744 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
745 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
746 * beginend.cc (GTM::gtm_transaction::begin_transaction,
747 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
748 * libitm.texi: Document locking conventions and implementations in
751 2011-08-12 Torvald Riegel <triegel@redhat.com>
753 * libitm_i.h (next_tx): Add list of all threads' transaction.
754 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
755 transaction with list of transactions and ...
756 (thread_exit_handler): ... deregister here.
757 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
758 * config/x86/target.h: Same.
760 2011-08-12 Torvald Riegel <triegel@redhat.com>
762 * testsuite/libitm.c++/static_ctor.C: New file.
764 2011-08-12 Torvald Riegel <triegel@redhat.com>
766 * testsuite/libitm.c/reentrant.c: New file.
768 2011-08-12 Torvald Riegel <triegel@redhat.com>
770 * config/generic/tls.h: Remove the free list for transactions and ...
771 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
772 (GTM::gtm_transaction::operator delete): ... and release here.
773 (thread_exit_handler): New. Delete tx when thread terminates.
774 (thread_exit_init): New.
775 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
776 * testsuite/libitm.c/txrelease.c: New file.
778 2011-08-12 Torvald Riegel <triegel@redhat.com>
780 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
781 * testsuite/libitm.c/notx.c: New file.
783 2011-08-12 Torvald Riegel <triegel@redhat.com>
785 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
786 * libitm_i.h (local_tid): ... to here.
787 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
788 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
790 2011-08-12 Torvald Riegel <triegel@redhat.com>
792 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
793 serialirr_onwrite_dispatch as new default for now.
794 * method-serial.cc (serialirr_onwrite_dispatch): New.
795 (GTM::dispatch_serialirr_onwrite): New.
798 2011-08-12 Torvald Riegel <triegel@redhat.com>
800 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
801 * query.cc (_ITM_getTransactionId): There is no active transaction if
802 the current nesting level is zero.
804 2011-07-28 Torvald Riegel <triegel@redhat.com>
806 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
809 2011-07-28 Torvald Riegel <triegel@redhat.com>
811 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
812 transaction properties from the caller instead of from the
815 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
817 2011-07-28 Torvald Riegel <triegel@redhat.com>
819 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
820 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
822 * method-serial.cc: Same.
823 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
824 flat nesting as default, and closed nesting on demand.
825 (GTM::gtm_transaction::rollback): Same.
826 (_ITM_abortTransaction): Same.
827 (GTM::gtm_transaction::restart): Same.
828 (GTM::gtm_transaction::trycommit): Same.
829 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
830 (choose_code_path): New.
831 (GTM::gtm_transaction_cp::save): New.
832 (GTM::gtm_transaction_cp::commit): New.
833 * query.cc (_ITM_inTransaction): Support flat nesting.
834 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
835 (GTM::gtm_transaction): Support flat and closed nesting.
836 * alloc.cc (commit_allocations_2): New.
837 (commit_cb_data): New helper struct.
838 (GTM::gtm_transaction::commit_allocations): Handle nested
840 * libitm.texi: Update user action section, add description of nesting.
842 2011-07-28 Torvald Riegel <triegel@redhat.com>
844 * libitm_i.h: Add closed nesting as restart reason.
845 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
847 2011-07-28 Torvald Riegel <triegel@redhat.com>
849 * useraction.cc: Use vector instead of list to store actions.
850 Also support partial rollbacks for closed nesting.
851 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
854 2011-07-28 Torvald Riegel <triegel@redhat.com>
856 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
857 closed_nesting flags, as well as a closed nesting alternative.
858 * method-serial.cc: Same.
859 (serial_dispatch): Renamed to serialirr_dispatch.
860 (GTM::dispatch_serialirr): Same.
861 (serial_dispatch_ul): Renamed to serial_dispatch.
862 (GTM::dispatch_serial): Same.
864 2011-07-28 Torvald Riegel <triegel@redhat.com>
866 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
868 2011-07-28 Torvald Riegel <triegel@redhat.com>
870 * aatree.h (aa_tree::remove): New.
871 (aa_tree::operator new): Add placement new.
873 2011-07-02 Torvald Riegel <triegel@redhat.com>
875 * containers.h: New file.
876 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
877 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
878 * common.h: ... to here.
879 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
882 2011-06-30 Torvald Riegel <triegel@redhat.com>
884 * libitm_i.h (STATE_ABORTING): Remove.
885 * beginend.cc (_ITM_abortTransaction): Same.
886 (GTM::gtm_transaction::trycommit_and_finalize): Same.
887 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
888 (_ITM_rollbackTransaction): Remove.
891 * libitm.texi: Document these ABI changes.
893 2011-06-30 Torvald Riegel <triegel@redhat.com>
895 * libitm.texi: New file.
896 * Makefile.am: Add libitm.texi.
897 * Makefile.in: Rebuild.
899 2011-06-30 Torvald Riegel <triegel@redhat.com>
901 * libitm_i.h: Move parts to common.h and dispatch.h.
902 * common.h: New file.
903 * dispatch.h: New file, new dispatch class.
904 Rename GTM::abi_dispatch::lock_type to ls_modifier.
905 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
906 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
907 decision to retry.cc.
908 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
910 (GTM::gtm_transaction::decide_begin_dispatch): Same.
911 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
913 * barrier.cc: Use new barriers definitions.
914 (abi_dispatch::memmove_overlap_check): New.
915 * config/x86/x86_sse.cc: Same.
916 * config/x86/x86_avx.cc: Same.
917 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
919 * Makefile.in: Rebuild.
920 * method-readonly.cc: Remove.
921 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
922 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
924 2011-06-30 Torvald Riegel <triegel@redhat.com>
926 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
927 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
928 * testsuite/libitm.c/dropref-2.c: Same.
929 * testsuite/libitm.c/dropref.c: Same.
931 2011-06-30 Torvald Riegel <triegel@redhat.com>
933 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
934 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
935 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
939 * config/generic/tls.h: Same.
940 * config/x86/tls.h: Same.
944 * method-readonly.cc: Same.
945 * method-serial.cc: Same.
946 * method-wbetl.cc: Same.
949 2011-03-03 Richard Henderson <rth@redhat.com>
951 * config/posix/rwlock.cc (write_upgrade): Add missing case.
952 From Patrik Marlier <patrick.marlier@unine.ch>.
954 2011-02-03 Richard Henderson <rth@redhat.com>
956 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
957 * configure.ac: Use it.
958 * configure, config.h.in: Rebuild.
959 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
960 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
961 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
962 * libitm.map: Use wildcards to match size_t mangling.
964 2010-12-14 Richard Henderson <rth@redhat.com>
966 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
967 blocks of TIDs per thread.
968 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
969 (setup_gtm_thr): Return the thread structure.
970 * config/x86/tls.h (setup_gtm_thr): Likewise.
972 2010-12-14 Richard Henderson <rth@redhat.com>
974 * clone.cc (table_lock): Remove.
975 (find_clone): Don't take it.
976 (ExcludeTransaction): New helper class.
977 (_ITM_registerTMCloneTable): Use it.
978 (_ITM_deregisterTMCloneTable): Likewise.
980 2010-12-14 Richard Henderson <rth@redhat.com>
982 * config/x86/tls.h: New file.
984 2010-07-15 Richard Henderson <rth@redhat.com>
986 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
987 * Makefile.in: Rebuild.
989 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
991 * method-wbetl.cc (trydropreference): Fix source line.
993 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
995 * libitm.h: Add comment.
996 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
998 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1000 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1001 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1002 available, use pthread mutexes.
1003 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1004 * config.h.in: Regenerate.
1005 * configure: Regenerate.
1007 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1009 * libitm.h (ITM_PURE): Define.
1010 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1012 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1014 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1015 (validate): Add comment.
1016 (trydropreference): New.
1017 * method-readonly.cc (class readonly_dispatch): Add
1019 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1020 Call trydropreference().
1021 * libitm.h (_ITM_dropReferences): Remove const attribute.
1022 * method-serial.cc (class serial_dispatch): Add trydropreference.
1023 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1025 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1027 * memcpy.cc (do_memcpy): Comment.
1029 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1031 * barrier.tpl: Add comments throughout.
1033 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1035 * method-wbetl.cc (struct w_entry): Add comments.
1039 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1041 * alloc_c.cc (_ITM_dropReferences): New.
1042 * libitm.map (_ITM_dropReferences): Add.
1043 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1044 * libitm_i.h (struct gtm_transaction): Declare
1045 drop_references_allocations and drop_references_local.
1046 * local.cc (rollback_local): Ignore memory when applicable.
1047 (drop_references_local): New.
1049 2010-06-23 Richard Henderson <rth@redhat.com>
1051 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1052 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1053 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1054 * config/alpha/target.h: Likewise.
1055 * config/generic/tls.cc (gtm_mask_stack): Use it.
1057 2010-06-23 Richard Henderson <rth@redhat.com>
1059 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1060 a mutex instead of trying a lock-free compare-and-swap on the list.
1061 (gtm_cacheline_page::operator delete): Likewise.
1063 2010-06-16 Richard Henderson <rth@redhat.com>
1065 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1066 that overlap the libitm stack.
1067 * barrier.tpl: Mark incoming stack.
1068 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1069 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1070 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1071 * memcpy.cc, memset.cc: Likewise.
1072 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1073 * config/generic/tls.h (gtm_thread): Add stack_top member.
1074 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1075 * libitm_i.h (gtm_mask_stack): Declare.
1076 * config/generic/tls.cc: New file.
1077 * Makefile.am (libitm_la_SOURCES): Add it.
1078 (AM_CXXFLAGS): Turn off exceptions.
1079 * Makefile.in: Rebuild.
1081 2010-06-16 Richard Henderson <rth@redhat.com>
1083 * alloc.cc (struct gtm_alloc_action): Move definition ...
1084 * libitm_i.h: ... here.
1085 (class gtm_transaction): Declare new and delete.
1086 * beginend.cc (alloc_tx): Reformulate as operator new.
1087 (free_tx): Reformulate as operator delete.
1088 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1090 2010-06-11 Richard Henderson <rth@redhat.com>
1092 * clone.cc (clone_entry_compare): Fix typo.
1093 From Patrik Marlier <patrick.marlier@unine.ch>.
1095 2010-05-13 Richard Henderson <rth@redhat.com>
1097 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1100 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1102 * libitm_i.h (struct gtm_transaction): Remove
1103 get_allocation_size.
1104 (record_allocation): Remove size parameter.
1105 * libitm.map (_ITM_realloc): Remove.
1106 * alloc_c.cc (_ITM_realloc): Remove.
1107 (_ITM_malloc): Remove size argument to record_allocation.
1108 (_ITM_calloc): Same.
1109 * alloc_cpp.cc (_ZGTtnwm): Same.
1110 (_ZGTtnwmRKSt9nothrow_t): Same.
1112 (_ZGTtnamRKSt9nothrow_t): Same.
1113 * alloc.cc (struct gtm_alloc_action): Remove size.
1114 (get_allocation_size): Remove.
1115 (commit_allocations): Add comment.
1116 (record_allocation): Remove size parameter.
1117 (forget_allocation): Remove set of size.
1119 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1121 * Makefile.am (abi_version): New.
1122 (AM_CXXFLAGS): Pass abi_version.
1123 * Makefile.in: Regenerate.
1124 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1126 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1128 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1129 _ITM_getTMCloneOrIrrevokable.
1130 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1131 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1133 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1135 * configure.ac: Remove Linux futex support.
1136 * configure.tgt (config_path): Same.
1137 * Makefile.am: Same.
1138 * config/linux: Remove entire directory.
1139 * configure: Rebuild.
1140 * Makefile.in: Rebuild.
1141 * testsuite/Makefile.in: Rebuild.
1143 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1145 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1146 switching to serial mode.
1147 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1149 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1151 * configure.tgt: Add emacs -*- tags.
1152 * barrier.tpl: Same.
1154 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1156 * Makefile.am: Rename serial.cc to method-serial.cc.
1157 * Makefile.in: Regenerate with automake 1.11.1.
1158 * testsuite/Makefile.in: Same.
1159 * aclocal.m4: Regenerate with aclocal 1.11.1.
1160 * method-serial.cc: Rename from serial.cc.
1161 * libitm_i.h (struct gtm_transaction): Update comment on
1164 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1166 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1167 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1169 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1171 * configure: Rebuild.
1173 2009-11-12 Richard Henderson <rth@redhat.com>
1175 * Rewrite everything in C++.
1177 2009-11-03 Richard Henderson <rth@redhat.com>
1179 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1180 * Makefile.am (libitm_la_SOURCES): Add them.
1181 * configure.ac (ARCH_X86): New conditional.
1182 * Makefile.in, configure: Rebuild.
1183 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1184 Move futex setup into "other system configury" case.
1185 * local.c (rollback_local): Merge into ...
1186 (GTM_rollback_local): ... here.
1187 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1188 (_ITM_LB): Define as an alias to GTM_LB.
1190 2009-11-03 Richard Henderson <rth@redhat.com>
1192 * method-readonly.c: New file.
1193 * Makefile.am (libitm_la_SOURCES): Add it.
1194 * Makefile.in: Rebuild.
1195 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1196 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1197 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1198 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1199 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1200 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1201 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1202 gtm_get_clock, gtm_inc_clock): New.
1203 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1204 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1205 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1206 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1207 replace uses with new libitm_i.h symbols.
1208 (dispatch_wbetl): Rename from wbetl_dispatch.
1209 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1210 away from dispatch_readonly; abort if the beginTransaction call
1211 asserted that the transaction was readonly.
1213 2009-11-03 Richard Henderson <rth@redhat.com>
1215 * memset.c: New file.
1216 * Makefile.am (libitm_la_SOURCES): Add it.
1217 * Makefile.in: Rebuild.
1218 * testsuite/libitm.c/memset-1.c: New.
1220 2009-11-03 Richard Henderson <rth@redhat.com>
1222 * dispatch.c: Remove file.
1223 * useraction.c (struct gtm_user_action): Move from libitm.h.
1224 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1225 (serial_memset, serial_memmove, serial_memcpy): Remove.
1226 (serial_W*, serial_R*): Remove.
1227 (serial_dispatch): Update to match.
1228 * configure.ac: Move Werror down below configure checks. Don't
1229 check for sys/loadavg.h, do check for malloc.h. Don't check for
1230 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1231 Use GCC_AC_FUNC_MMAP_BLACKLIST
1232 * libitm.h: Split out all internal items to...
1233 * libitm_i.h: ... here. New file.
1234 * copymask.c: New file.
1235 * local.c (struct gtm_local_undo): Move from libitm.h.
1236 (GTM_alloc_local): Rename from alloc_local; export.
1237 * memcpy.c: New file.
1238 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1239 * config/posix/page.c: New file.
1240 * config/posix/target_tls.h: Remove file.
1241 * barrier.c: New file.
1242 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1244 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1245 * method-wbetl.c: Rewrite for new cacheline methods.
1246 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1248 * config/alpha/sjlj.S: Fix typo.
1249 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1250 * config/alpha/copymask.c: New file.
1251 * config/alpha/target.h (CACHELINE_SIZE): New.
1252 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1254 * config/x86/target_i.h: Copy functions from x86/target.h.
1255 * config/x86/copymask.c: New file.
1256 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1257 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1258 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1259 * config/x86/target_tls.h: Move contents to target_i.h.
1261 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1262 * testsuite/libitm.c/memcpy-1.c: New.
1264 2009-10-22 Richard Henderson <rth@redhat.com>
1266 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1267 (AM_CCASFLAGS): New.
1268 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1269 saving/restoring _AC_ARG_VAR_PRECIOUS.
1270 * Makefile.in, aclocal.m4, config.h.in, configure,
1271 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1273 2009-10-22 Richard Henderson <rth@redhat.com>
1275 * testsuite/*: Update for new compiler syntax.
1277 2009-10-21 Richard Henderson <rth@redhat.com>
1279 * libitm.h (_ITM_abortReason): Add outerAbort.
1281 2009-08-03 Richard Henderson <rth@redhat.com>
1283 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1284 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1285 * method-wbetl.c (struct w_entry): Remove mask.
1286 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1289 2009-07-22 Richard Henderson <rth@redhat.com>
1291 * eh_cpp.c: New file.
1292 * Makefile.am (libitm_la_SOURCES): Add it.
1293 * Makefile.in: Rebuild.
1294 * beginend.c (GTM_rollback_transaction): Undo exception state.
1295 (GTM_trycommit_transaction): Mark inline.
1296 (GTM_trycommit_and_finalize_transaction): Split out from ...
1297 (_ITM_commitTransaction): ... here.
1298 (_ITM_commitTransactionEH): New function.
1299 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1300 cxa_unthrown, eh_in_flight; reorder.
1302 * testsuite/libitm.c++/c++.exp: New.
1303 * testsuite/libitm.c++/eh-1.C: New.
1305 * aatree.c (aa_free): Remove REGPARM.
1306 * aatree.h: Remove all REGPARM.
1308 2009-07-18 Richard Henderson <rth@redhat.com>
1310 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1311 * Makefile.am (libitm_la_SOURCES): Add them.
1312 * Makefile.in: Rebuild.
1313 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1314 (GTM_trycommit_transaction): Likewise.
1315 * libitm.h: Include aatree.h
1316 (struct gtm_alloc_action): New.
1317 (struct gtm_transaction): Add alloc_actions.
1318 (GTM_record_allocation, GTM_forget_allocation): Declare.
1319 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1320 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1321 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1322 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1323 _ZGTtdaPvRKSt9nothrow_t): Export.
1325 2009-07-18 Richard Henderson <rth@redhat.com>
1327 * target_tls.h: Move ...
1328 * config/posix/target_tls.h: ... here.
1330 2009-07-07 Richard Henderson <rth@redhat.com>
1332 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1334 2009-07-07 Richard Henderson <rth@redhat.com>
1338 2009-07-07 Richard Henderson <rth@redhat.com>
1340 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1341 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1343 * configure.tgt: Don't use -ftls-model for x86 linux.
1344 * libitm.h: Include target.h after standard includes.
1345 (_gtm_thr): Rename from gtm_thr.
1346 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1347 (gtm_disp, set_gtm_disp): New.
1348 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1349 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1350 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1352 2009-07-07 Richard Henderson <rth@redhat.com>
1354 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1356 2009-07-06 Richard Henderson <rth@redhat.com>
1358 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1359 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1360 (_ITM_beginTransaction): Take variadic arguments.
1361 (_ITM_registerThrownObject): Declare.
1362 * beginend.c, serial.c: Update.
1363 * libitm.map: Add _ITM_registerThrownObject.
1365 2009-01-28 Richard Henderson <rth@redhat.com>
1367 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1368 * Makefile.in: Rebuild.
1369 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1370 (GTM_restart_transaction): Fix uninstrumented code check.
1371 * retry.c (GTM_decide_retry_strategy): Add serial check.
1372 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1373 automatically go irrevokable when in serial mode.
1374 * clone.c: New file.
1375 * libitm.h, libitm.map: Update.
1377 2009-01-27 Richard Henderson <rth@redhat.com>
1379 * Makefile.am (LTCCASCOMPILE): Define.
1380 (libitm_la_SOURCES): Add methid-wbetl.c.
1381 * testsuite/Makefile.am: New
1382 * configure.ac: Add testsuite/Makefile.
1383 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1384 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1385 (_ITM_abortTransaction): Finalize implementation method; pass
1386 transaction properties to longjmp.
1387 (GTM_restart_transaction): Split out from ...
1388 (_ITM_commitTransaction): ... here.
1389 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1390 Move to config/x86/target.h.
1391 * config/linux/alpha/futex_bits.h: New.
1392 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1393 * config/x86/target.h: Disable target types for 32-bit.
1394 * config/alpha/sjlj.S, config/alpha/target.h: New.
1395 * libitm.h (struct gtm_dispatch): Add init, fini.
1396 (enum restart_reason): New.
1397 (struct gtm_transaction): Add method and restarts.
1398 * retry.c (GTM_decide_retry_strategy): Implement.
1399 * serial.c (serial_init, serial_fini): New.
1400 (GTM_serialmode): Finialize outgoing method.
1401 * method-wbetl.c: New.
1403 2008-12-09 Richard Henderson <rth@redhat.com>
1405 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1406 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1407 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1408 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1409 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1410 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1411 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1412 * serial.c (serial_R##T, serial_W##T): Likewise.
1414 2008-11-21 Richard Henderson <rth@redhat.com>