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[pf3gnuchains/gcc-fork.git] / libitm / ChangeLog
1 2011-12-24  Torvald Riegel  <triegel@redhat.com>
2
3         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
4         (GTM::gtm_thread::try_commit): Changed memory order.
5         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
6         as parameter.
7         * config/linux/x86/futex_bits.h (sys_futex0): Same.
8         * config/linux/sh/futex_bits.h (sys_futex0): Same.
9         * config/linux/futex_bits.h (sys_futex0): Same.
10         * config/linux/futex.cc (futex_wait, futex_wake): Same.
11         * config/linux/futex.h (futex_wait, futex_wake): Same.
12         * config/linux/rwlock.h (gtm_rwlock::writers,
13         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
14         ints.
15         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
16         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
17         gtm_rwlock::write_unlock): Fix memory orders and fences.
18         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
19         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
20         gtm_rwlock::write_unlock): Same.
21         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
22         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
23         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
24         Add comments.
25         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
26         gl_wt_dispatch::load, gl_wt_dispatch::store,
27         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
28         orders and fences.  Add comments.
29
30 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
31
32         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
33         * Makefile.in: Regenerated.
34
35 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
36
37         * configure.tgt: Add sh* case.
38         * config/sh/target.h: New file.
39         * config/sh/sjlj.S: New file.
40         * config/linux/sh/futex_bits.h: New file.
41
42 2011-12-14  Richard Henderson  <rth@redhat.com>
43
44         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
45         * config/arm/sjlj.S, config/arm/target.h: New files.
46         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
47         (cfi_rel_offset): New.
48         * config/linux/futex_bits.h: New file.
49         * config/linux/futex.cc: Include futex_bits.h here...
50         * config/linux/futex.h: ... not here.
51         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
52         * configure.ac (ARCH_AM): New conditional.
53         * Makefile.in, configure: Rebuild.
54         * configure.tgt: Handle ARM.
55
56 2011-12-13  Richard Henderson  <rth@redhat.com>
57
58         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
59         signed/unsigned comparison werror.
60
61         * local_atomic: New file.
62         * libitm_i.h: Include it.
63         (gtm_thread::shared_state): Use atomic template.
64         * beginend.cc (GTM::gtm_clock): Use atomic template.
65         (global_tid): Use atomic template if 64-bit atomics available.
66         (gtm_thread::gtm_thread): Update shared_state access.
67         (gtm_thread::trycommit): Likewise.
68         (choose_code_path): Update global_tid access.
69         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
70         * stmlock.h (GTM::gtm_clock): Use atomic template.
71         (gtm_get_clock, gtm_inc_clock): Update accesses.
72         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
73         redundant __sync_synchronize after atomic shared_state access.
74         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
75         (gtm_rwlock::write_lock_generic): Likewise.
76         (gtm_rwlock::read_unlock): Likewise.
77         * config/alpha/target.h (atomic_read_barrier): Remove.
78         (atomic_write_barrier): Remove.
79         * config/x86/target.h (atomic_read_barrier): Remove.
80         (atomic_write_barrier): Remove.
81
82 2011-11-30  Richard Henderson  <rth@redhat.com>
83
84         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
85         * beginend.c (_ITM_abortTransaction): Update to match.
86         (GTM::gtm_thread::restart): Likewise.
87         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
88         * config/x86/sjlj.S (GTM_longjmp): Likewise.
89
90 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
91
92         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
93         * Makefile.in: Regenerate.
94
95 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
96
97         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
98         * alloc_cpp.cc: Generate dummy functions if we don't
99         HAVE_ELF_STYLE_WEAKREF.
100         * eh_cpp.cc: Likewise.
101         * configure: Regenerate.
102         * aclocal.m4:  Likewise.
103         * config.h.in: Likewise.
104         * Makefile.in: Likewise.
105         * testsuite/Makefile.in: Likewise.
106
107 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
108
109         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
110         __USER_LABEL_PREFIX__ for targets that use it.
111         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
112         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
113         in portability to non-elf targets.
114         (GTM_longjmp): Likewise.
115         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
116         where required.
117
118 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
119
120         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
121         * testsuite/libitm.c/memset-1.c: Likewise.
122
123 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
124
125         * configure: Regenerate.
126
127 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
128
129         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
130         (LIBITM_ENABLE_SYMVERS): Handle sun style.
131         * Makefile.am: Handle sun style versioning.
132         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
133         * configure: Regenerate.
134         * Makefile.in: Regenerate.
135
136 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
137
138         * config/generic/asmcfi.h: Fix comment.
139         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
140         sequence without .hidden support, error for non-ELF targets.
141         (GTM_longjmp) [__ELF__]: Only use .hidden if
142         HAVE_ATTRIBUTE_VISIBILITY.
143
144 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
145
146         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
147         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
148         Dummy functions.
149         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
150         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
151
152 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
153
154         PR bootstrap/51098
155         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
156         * configure: Regenerate.
157
158 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
159
160         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
161
162 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
163
164         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
165         .hidden.
166         (.note.GNU-stack): Only use if __linux__.
167         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
168         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
169         * testsuite/libitm.c/reentrant.c: Likewise.
170         * testsuite/libitm.c/simple-2.c: Likewise.
171         * testsuite/libitm.c/txrelease.c: Likewise.
172         * testsuite/libitm.c++/static_ctor.C: Likewise.
173
174 2011-11-10  Richard Henderson  <rth@redhat.com>
175
176         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
177         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
178         * configure.ac (ARCH_X86_AVX): New conditional.
179         * Makefile.in, configure: Rebuild.
180
181 2011-11-09  Richard Henderson  <rth@redhat.com>
182
183         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
184         * configure.ac: Use it.
185         * config.h.in, configure: Rebuild.
186         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
187
188 2011-11-09  Richard Henderson  <rth@redhat.com>
189
190         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
191         * config/alpha/unaligned.h: Remove file.
192         * config/generic/unaligned.h: Remove file.
193         * config/x86/unaligned.h: Remove file.
194         * config/generic/cachepage.h: Remove file.
195         * config/posix/cachepage.cc: Remove file.
196         * config/generic/cacheline.cc: Remove file.
197         * config/x86/cacheline.cc: Remove file.
198         * config/generic/cacheline.h (gtm_cacheline): Remove the
199         store_mask, copy_mask, copy_mask_wb methods.
200         * config/x86/cacheline.h: Likewise.
201         * config/alpha/cacheline.h: Fall back to generic after setting size.
202         * config/generic/tls.cc (gtm_mask_stack): Remove.
203         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
204         (GTM_vpalignr_table): Remove.
205         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
206         (GTM_pshift_table): Remove.
207         * config/libitm_i.h: Don't include cachepage.h.
208         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
209         * Makefile.in, testsuite/Makefile.in: Rebuild.
210
211 2011-11-09  Richard Henderson  <rth@redhat.com>
212
213         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
214         to emit branch prediction hint.
215
216         * config/x86/sjlj.S: Protect elf directives with __ELF__.
217         Protect .note.GNU-stack with __linux__.
218
219         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
220         * configure, aclocal.m4, config.h.in: Rebuild.
221         * config/generic/asmcfi.h: New file.
222         * config/x86/sjlj.S: Use it.
223
224 2011-11-08  Richard Henderson  <rth@redhat.com>
225
226         * local.cc (_ITM_LB): Use a normal call, not a function alias.
227
228 2011-11-08  Richard Henderson  <rth@redhat.com>
229
230         * configure.tgt: Test correct directory for supported cpus.
231
232         * configure.ac: Exit if unsupported.
233         * configure: Rebuild.
234         * configure.tgt: Delete boilerplate from libgomp for unsupported
235         targets.  Set UNSUPPORTED for unsupported targets.
236
237 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
238
239         * configure.tgt: Handle i386 like i[456]86.
240         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
241         take address.
242         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
243         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
244
245 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
246
247         * method-wbetl.cc: Update copyright notice.
248         * aatree.cc: Same.
249         * util.cc: Same.
250         * libitm.h: Same.
251         * memset.cc: Same.
252         * eh_cpp.cc: Same.
253         * barrier.tpl: Same.
254         * useraction.cc: Same.
255         * stmlock.h: Same.
256         * memcpy.cc: Same.
257         * common.h: Same.
258         * config/generic/tls.cc: Same.
259         * config/generic/cacheline.h: Same.
260         * config/generic/cachepage.h: Same.
261         * config/generic/cacheline.cc: Same.
262         * config/generic/unaligned.h: Same.
263         * config/x86/cacheline.h: Same.
264         * config/x86/cacheline.cc: Same.
265         * config/x86/unaligned.h: Same.
266         * config/alpha/cacheline.h: Same.
267         * config/alpha/unaligned.h: Same.
268         * config/alpha/sjlj.S: Same.
269         * config/posix/cachepage.cc: Same.
270         * config/linux/futex.h: Same.
271         * config/linux/alpha/futex_bits.h: Same.
272
273 2011-11-04  Torvald Riegel  <triegel@redhat.com>
274
275         * libitm.texi: No cover text and invariant sections.
276
277 2011-11-03  Richard Henderson  <rth@redhat.com>
278
279         * local_type_traits: New file.
280         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
281
282 2011-11-03  Richard Henderson  <rth@redhat.com>
283
284         * configure.ac: Don't test for gfortran.
285         * configure: Rebuild.
286
287         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
288         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
289
290 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
291
292         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
293         * testsuite/libitm.c/memset-1.c: Same.
294         * testsuite/libitm.c/c.exp: Same.
295         * testsuite/lib/libitm-dg.exp: Same.
296         * testsuite/lib/libitm.exp: Same.
297         * testsuite/libitm.c++/c++.exp: Same.
298
299 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
300
301         * testsuite/config/default.exp: Update copyright date.
302         * configure.ac: Add copyright info.
303         * configure.tgt: Same.
304
305 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
306
307         * testsuite/libitm.c/reentrant.c: XFAIL.
308         * testsuite/libitm.c++/static_ctor.C: XFAIL.
309
310 2011-10-29  Torvald Riegel  <triegel@redhat.com>
311
312         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
313         handle aborts.
314         (_ITM_abortTransaction): Handle aborts of outer transactions.
315         * libitm_i.h: Same.
316         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
317         * libitm.texi: Document aborts of outer transactions.
318         * testsuite/libitm.c/cancel.c: New file.
319
320 2011-10-19  Torvald Riegel  <triegel@redhat.com>
321
322         * testsuite/*: Change __transaction to __transaction_atomic or
323         __transaction_relaxed.
324
325 2011-10-19  Torvald Riegel  <triegel@redhat.com>
326
327         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
328         (gtm_thr): Same.
329
330 2011-10-19  Torvald Riegel  <triegel@redhat.com>
331
332         * libitm_i.h: Add gl_wt dispatch.
333         * retry.cc (parse_default_method): Same.
334         * method-gl.cc: New file.
335         * Makefile.am: Use method-gl.cc.
336         * Makefile.in: Rebuild.
337
338 2011-10-19  Torvald Riegel  <triegel@redhat.com>
339
340         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
341         safety if requested by a TM method.
342         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
343         privatization safety.
344         * method-serial.cc: Same.
345
346 2011-10-19  Torvald Riegel  <triegel@redhat.com>
347
348         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
349         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
350         undolog-related member functions from *_local to *_undolog.
351         * local.cc (gtm_thread::commit_undolog): Same.
352         * beginend.cc (GTM::gtm_thread::trycommit): Same.
353         (GTM::gtm_thread::rollback): Roll back undolog before
354         dispatch-specific rollback.
355
356 2011-10-19  Torvald Riegel  <triegel@redhat.com>
357
358         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
359         re-initialization of the current method group.
360         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
361
362 2011-10-19  Torvald Riegel  <triegel@redhat.com>
363
364         * alloc.cc (commit_allocations_2): Do not free transaction-local
365         memory when committing a nested transaction.
366
367 2011-10-19  Torvald Riegel  <triegel@redhat.com>
368
369         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
370         serial-irrevocable dispatch, not serial.
371
372 2011-10-19  Torvald Riegel  <triegel@redhat.com>
373
374         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
375         declarations.
376         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
377         * method-serial.cc: Implement begin_or_restart().
378         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
379         dispatch-specific begin_or_restart().
380         (GTM::gtm_thread::restart): Same.
381
382 2011-08-23  Torvald Riegel  <triegel@redhat.com>
383
384         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
385         restarting without switching to serial mode.
386         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
387         transaction state. Choose closed-nesting alternative if available.
388         (GTM::gtm_thread::set_default_dispatch): New.
389         (parse_default_method): New.
390         (GTM::gtm_thread::number_of_threads_changed): New.
391         * method-serial.cc (GTM::serial_mg): New method group class.
392         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
393         fini.
394         (GTM::serial_dispatch): Same.
395         (GTM::serialirr_onwrite_dispatch): Same.
396         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
397         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
398         registered threads.
399         (GTM::gtm_thread::gtm_thread): Same.
400         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
401         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
402         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
403         choose dispatch but set state according to dispatch here.
404         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
405         (GTM::method_group): New class.
406         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
407         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
408         * libitm.texi: Document TM methods, method groups, method life cycle.
409         Rename method sets to method groups.
410
411 2011-08-23  Torvald Riegel  <triegel@redhat.com>
412
413         * config/x86/tls.h: Moved to ...
414         * config/linux/x86/tls.h: ... here.
415
416 2011-08-23  Torvald Riegel  <triegel@redhat.com>
417
418         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
419         Add X32 support.
420         * config/x86/sjlj.S: Same.
421
422 2011-08-19  Torvald Riegel  <triegel@redhat.com>
423
424         * config/linux/rwlock.h: New file.
425         * config/linux/rwlock.c: New file.
426         * configure.ac: Reenable futex support (undo SVN rev 157758).
427         * Makefile.am: Same.
428         * configure.tgt: Same.
429         * config/linux/alpha/futex_bits.h: Same.
430         * config/linux/futex.h: Same. Return number of woken processes.
431         * config/linux/futex.cc: Same.
432         (futex_wait): Remove spinning.
433         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
434         Use __x86_64__ instead of __LP64__.
435         * aclocal.m4: Include generic futex checks.
436         * configure: Rebuild.
437         * Makefile.in: Rebuild.
438         * testsuite/Makefile.in: Rebuild.
439         * beginend.cc: Include pthread.h.
440         * config/posix/cachepage.cc: Same.
441
442 2011-08-12  Torvald Riegel  <triegel@redhat.com>
443
444         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
445         (abi_disp, set_abi_disp): Move to tx's TLS slot.
446         (set_gtm_thr): New.
447         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
448         (set_gtm_thr): New.
449         (GTM::gtm_thread::thread_num): Removed.
450         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
451         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
452         tx-to-thread renaming.
453         * beginend.cc: Adapted to tx-to-thread renaming.
454         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
455         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
456         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
457         gtm_transaction to gtm_thread.
458         (_ITM_getThreadnum): Removed. Not supported anymore.
459         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
460         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
461         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
462         gtm_tx-to-gtm_thr renaming if necessary.
463         * eh_cpp.cc: Same.
464         * local.cc: Same.
465         * retry.cc: Same.
466         * clone.cc: Same.
467         * alloc.cc: Same.
468         * alloc_c.cc: Same.
469         * alloc_cpp.cc: Same.
470         * method-serial.cc: Same.
471         * config/generic/tls.cc: Same.
472         * config/posix/rwlock.h (gtm_rwlock): Same.
473         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
474
475 2011-08-12  Torvald Riegel  <triegel@redhat.com>
476
477         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
478         implementation.
479         (gtm_rwlock::read_unlock): Same.
480         (gtm_rwlock::write_lock_generic): New. Generalized from ...
481         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
482         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
483         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
484         w_upgrade. Replaced by per-transaction flags (in shared_state).
485         Added c_confirmed_writers.
486         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
487         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
488         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
489         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
490         * beginend.cc (GTM::gtm_transaction::begin_transaction,
491         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
492         * libitm.texi: Document locking conventions and implementations in
493         libitm.
494
495 2011-08-12  Torvald Riegel  <triegel@redhat.com>
496
497         * libitm_i.h (next_tx): Add list of all threads' transaction.
498         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
499         transaction with list of transactions and ...
500         (thread_exit_handler): ... deregister here.
501         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
502         * config/x86/target.h: Same.
503
504 2011-08-12  Torvald Riegel  <triegel@redhat.com>
505
506         * testsuite/libitm.c++/static_ctor.C: New file.
507
508 2011-08-12  Torvald Riegel  <triegel@redhat.com>
509
510         * testsuite/libitm.c/reentrant.c: New file.
511
512 2011-08-12  Torvald Riegel  <triegel@redhat.com>
513
514         * config/generic/tls.h: Remove the free list for transactions and ...
515         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
516         (GTM::gtm_transaction::operator delete): ... and release here.
517         (thread_exit_handler): New. Delete tx when thread terminates.
518         (thread_exit_init): New.
519         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
520         * testsuite/libitm.c/txrelease.c: New file.
521
522 2011-08-12  Torvald Riegel  <triegel@redhat.com>
523
524         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
525         * testsuite/libitm.c/notx.c: New file.
526
527 2011-08-12  Torvald Riegel  <triegel@redhat.com>
528
529         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
530         * libitm_i.h (local_tid): ... to here.
531         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
532         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
533
534 2011-08-12  Torvald Riegel  <triegel@redhat.com>
535
536         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
537         serialirr_onwrite_dispatch as new default for now.
538         * method-serial.cc (serialirr_onwrite_dispatch): New.
539         (GTM::dispatch_serialirr_onwrite): New.
540         * libitm_i.h: Same.
541
542 2011-08-12  Torvald Riegel  <triegel@redhat.com>
543
544         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
545         * query.cc (_ITM_getTransactionId): There is no active transaction if
546         the current nesting level is zero.
547
548 2011-07-28  Torvald Riegel  <triegel@redhat.com>
549
550         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
551         rollback.
552
553 2011-07-28  Torvald Riegel  <triegel@redhat.com>
554
555         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
556         transaction properties from the caller instead of from the
557         transaction object.
558         * libitm_i.h: Same.
559         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
560
561 2011-07-28  Torvald Riegel  <triegel@redhat.com>
562
563         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
564         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
565         * dispatch.h: Same.
566         * method-serial.cc: Same.
567         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
568         flat nesting as default, and closed nesting on demand.
569         (GTM::gtm_transaction::rollback): Same.
570         (_ITM_abortTransaction): Same.
571         (GTM::gtm_transaction::restart): Same.
572         (GTM::gtm_transaction::trycommit): Same.
573         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
574         (choose_code_path): New.
575         (GTM::gtm_transaction_cp::save): New.
576         (GTM::gtm_transaction_cp::commit): New.
577         * query.cc (_ITM_inTransaction): Support flat nesting.
578         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
579         (GTM::gtm_transaction): Support flat and closed nesting.
580         * alloc.cc (commit_allocations_2): New.
581         (commit_cb_data): New helper struct.
582         (GTM::gtm_transaction::commit_allocations): Handle nested
583         commits/rollbacks.
584         * libitm.texi: Update user action section, add description of nesting.
585
586 2011-07-28  Torvald Riegel  <triegel@redhat.com>
587
588         * libitm_i.h: Add closed nesting as restart reason.
589         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
590
591 2011-07-28  Torvald Riegel  <triegel@redhat.com>
592
593         * useraction.cc: Use vector instead of list to store actions.
594         Also support partial rollbacks for closed nesting.
595         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
596         * beginend.cc: Same.
597
598 2011-07-28  Torvald Riegel  <triegel@redhat.com>
599
600         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
601         closed_nesting flags, as well as a closed nesting alternative.
602         * method-serial.cc: Same.
603         (serial_dispatch): Renamed to serialirr_dispatch.
604         (GTM::dispatch_serialirr): Same.
605         (serial_dispatch_ul): Renamed to serial_dispatch.
606         (GTM::dispatch_serial): Same.
607
608 2011-07-28  Torvald Riegel  <triegel@redhat.com>
609
610         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
611
612 2011-07-28  Torvald Riegel  <triegel@redhat.com>
613
614         * aatree.h (aa_tree::remove): New.
615         (aa_tree::operator new): Add placement new.
616
617 2011-07-02  Torvald Riegel  <triegel@redhat.com>
618
619         * containers.h: New file.
620         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
621         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
622         * common.h: ... to here.
623         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
624         * local.cc: Same.
625
626 2011-06-30  Torvald Riegel  <triegel@redhat.com>
627
628         * libitm_i.h (STATE_ABORTING): Remove.
629         * beginend.cc (_ITM_abortTransaction): Same.
630         (GTM::gtm_transaction::trycommit_and_finalize): Same.
631         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
632         (_ITM_rollbackTransaction): Remove.
633         * beginend.cc: Same.
634         * libitm.map: Same.
635         * libitm.texi: Document these ABI changes.
636
637 2011-06-30  Torvald Riegel  <triegel@redhat.com>
638
639         * libitm.texi: New file.
640         * Makefile.am: Add libitm.texi.
641         * Makefile.in: Rebuild.
642
643 2011-06-30  Torvald Riegel  <triegel@redhat.com>
644
645         * libitm_i.h: Move parts to common.h and dispatch.h.
646         * common.h: New file.
647         * dispatch.h: New file, new dispatch class.
648         Rename GTM::abi_dispatch::lock_type to ls_modifier.
649         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
650         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
651         decision to retry.cc.
652         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
653         only.
654         (GTM::gtm_transaction::decide_begin_dispatch): Same.
655         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
656         logging.
657         * barrier.cc: Use new barriers definitions.
658         (abi_dispatch::memmove_overlap_check): New.
659         * config/x86/x86_sse.cc: Same.
660         * config/x86/x86_avx.cc: Same.
661         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
662         memcpy.cc.
663         * Makefile.in: Rebuild.
664         * method-readonly.cc: Remove.
665         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
666         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
667
668 2011-06-30  Torvald Riegel  <triegel@redhat.com>
669
670         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
671         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
672         * testsuite/libitm.c/dropref-2.c: Same.
673         * testsuite/libitm.c/dropref.c: Same.
674
675 2011-06-30  Torvald Riegel  <triegel@redhat.com>
676
677         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
678         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
679         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
680         * alloc_c.cc: Same.
681         * barrier.tpl: Same.
682         * beginend.c: Same.
683         * config/generic/tls.h: Same.
684         * config/x86/tls.h: Same.
685         * libitm_i.h: Same.
686         * memcpy.cc: Same.
687         * memset.cc: Same.
688         * method-readonly.cc: Same.
689         * method-serial.cc: Same.
690         * method-wbetl.cc: Same.
691         * retry.cc: Same.
692
693 2011-03-03  Richard Henderson  <rth@redhat.com>
694
695         * config/posix/rwlock.cc (write_upgrade): Add missing case.
696         From Patrik Marlier <patrick.marlier@unine.ch>.
697
698 2011-02-03  Richard Henderson  <rth@redhat.com>
699
700         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
701         * configure.ac: Use it.
702         * configure, config.h.in: Rebuild.
703         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
704         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
705         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
706         * libitm.map: Use wildcards to match size_t mangling.
707
708 2010-12-14  Richard Henderson  <rth@redhat.com>
709
710         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
711         blocks of TIDs per thread.
712         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
713         (setup_gtm_thr): Return the thread structure.
714         * config/x86/tls.h (setup_gtm_thr): Likewise.
715
716 2010-12-14  Richard Henderson  <rth@redhat.com>
717
718         * clone.cc (table_lock): Remove.
719         (find_clone): Don't take it.
720         (ExcludeTransaction): New helper class.
721         (_ITM_registerTMCloneTable): Use it.
722         (_ITM_deregisterTMCloneTable): Likewise.
723
724 2010-12-14  Richard Henderson  <rth@redhat.com>
725
726         * config/x86/tls.h: New file.
727
728 2010-07-15  Richard Henderson  <rth@redhat.com>
729
730         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
731         * Makefile.in: Rebuild.
732
733 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
734
735         * method-wbetl.cc (trydropreference): Fix source line.
736
737 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
738
739         * libitm.h: Add comment.
740         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
741
742 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
743
744         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
745         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
746         available, use pthread mutexes.
747         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
748         * config.h.in: Regenerate.
749         * configure: Regenerate.
750
751 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
752
753         * libitm.h (ITM_PURE): Define.
754         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
755
756 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
757
758         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
759         (validate): Add comment.
760         (trydropreference): New.
761         * method-readonly.cc (class readonly_dispatch): Add
762         trydropreference.
763         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
764         Call trydropreference().
765         * libitm.h (_ITM_dropReferences): Remove const attribute.
766         * method-serial.cc (class serial_dispatch): Add trydropreference.
767         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
768
769 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
770
771         * memcpy.cc (do_memcpy): Comment.
772
773 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
774
775         * barrier.tpl: Add comments throughout.
776
777 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
778
779         * method-wbetl.cc (struct w_entry): Add comments.
780         (trycommit): Same.
781         (rollback): Same.
782
783 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
784
785         * alloc_c.cc (_ITM_dropReferences): New.
786         * libitm.map (_ITM_dropReferences): Add.
787         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
788         * libitm_i.h (struct gtm_transaction): Declare
789         drop_references_allocations and drop_references_local.
790         * local.cc (rollback_local): Ignore memory when applicable.
791         (drop_references_local): New.
792
793 2010-06-23  Richard Henderson  <rth@redhat.com>
794
795         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
796         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
797         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
798         * config/alpha/target.h: Likewise.
799         * config/generic/tls.cc (gtm_mask_stack): Use it.
800
801 2010-06-23  Richard Henderson  <rth@redhat.com>
802
803         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
804         a mutex instead of trying a lock-free compare-and-swap on the list.
805         (gtm_cacheline_page::operator delete): Likewise.
806
807 2010-06-16  Richard Henderson  <rth@redhat.com>
808
809         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
810         that overlap the libitm stack.
811         * barrier.tpl: Mark incoming stack.
812         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
813         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
814         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
815         * memcpy.cc, memset.cc: Likewise.
816         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
817         * config/generic/tls.h (gtm_thread): Add stack_top member.
818         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
819         * libitm_i.h (gtm_mask_stack): Declare.
820         * config/generic/tls.cc: New file.
821         * Makefile.am (libitm_la_SOURCES): Add it.
822         (AM_CXXFLAGS): Turn off exceptions.
823         * Makefile.in: Rebuild.
824
825 2010-06-16  Richard Henderson  <rth@redhat.com>
826
827         * alloc.cc (struct gtm_alloc_action): Move definition ...
828         * libitm_i.h: ... here.
829         (class gtm_transaction): Declare new and delete.
830         * beginend.cc (alloc_tx): Reformulate as operator new.
831         (free_tx): Reformulate as operator delete.
832         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
833
834 2010-06-11  Richard Henderson  <rth@redhat.com>
835
836         * clone.cc (clone_entry_compare): Fix typo.
837         From Patrik Marlier <patrick.marlier@unine.ch>.
838
839 2010-05-13  Richard Henderson  <rth@redhat.com>
840
841         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
842         in extern "C".
843
844 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
845
846         * libitm_i.h (struct gtm_transaction): Remove
847         get_allocation_size.
848         (record_allocation): Remove size parameter.
849         * libitm.map (_ITM_realloc): Remove.
850         * alloc_c.cc (_ITM_realloc): Remove.
851         (_ITM_malloc): Remove size argument to record_allocation.
852         (_ITM_calloc): Same.
853         * alloc_cpp.cc (_ZGTtnwm): Same.
854         (_ZGTtnwmRKSt9nothrow_t): Same.
855         (_ZGTtnam): Same.
856         (_ZGTtnamRKSt9nothrow_t): Same.
857         * alloc.cc (struct gtm_alloc_action): Remove size.
858         (get_allocation_size): Remove.
859         (commit_allocations): Add comment.
860         (record_allocation): Remove size parameter.
861         (forget_allocation): Remove set of size.
862
863 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
864
865         * Makefile.am (abi_version): New.
866         (AM_CXXFLAGS): Pass abi_version.
867         * Makefile.in: Regenerate.
868         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
869
870 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
871
872         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
873         _ITM_getTMCloneOrIrrevokable.
874         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
875         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
876
877 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
878
879         * configure.ac: Remove Linux futex support.
880         * configure.tgt (config_path): Same.
881         * Makefile.am: Same.
882         * config/linux: Remove entire directory.
883         * configure: Rebuild.
884         * Makefile.in: Rebuild.
885         * testsuite/Makefile.in: Rebuild.
886
887 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
888
889         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
890         switching to serial mode.
891         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
892
893 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
894
895         * configure.tgt: Add emacs -*- tags.
896         * barrier.tpl: Same.
897
898 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
899
900         * Makefile.am: Rename serial.cc to method-serial.cc.
901         * Makefile.in: Regenerate with automake 1.11.1.
902         * testsuite/Makefile.in: Same.
903         * aclocal.m4: Regenerate with aclocal 1.11.1.
904         * method-serial.cc: Rename from serial.cc.
905         * libitm_i.h (struct gtm_transaction): Update comment on
906         serialirr_mode.
907
908 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
909
910         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
911         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
912
913 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
914
915         * configure: Rebuild.
916
917 2009-11-12  Richard Henderson  <rth@redhat.com>
918
919         * Rewrite everything in C++.
920
921 2009-11-03  Richard Henderson  <rth@redhat.com>
922
923         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
924         * Makefile.am (libitm_la_SOURCES): Add them.
925         * configure.ac (ARCH_X86): New conditional.
926         * Makefile.in, configure: Rebuild.
927         * configure.tgt: Set up ARCH; do cflags setup at the same time.
928         Move futex setup into "other system configury" case.
929         * local.c (rollback_local): Merge into ...
930         (GTM_rollback_local): ... here.
931         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
932         (_ITM_LB): Define as an alias to GTM_LB.
933
934 2009-11-03  Richard Henderson  <rth@redhat.com>
935
936         * method-readonly.c: New file.
937         * Makefile.am (libitm_la_SOURCES): Add it.
938         * Makefile.in: Rebuild.
939         * beginend.c (gtm_stmlock_array, gtm_clock): New.
940         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
941         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
942         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
943         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
944         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
945         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
946         gtm_get_clock, gtm_inc_clock): New.
947         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
948         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
949         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
950         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
951         replace uses with new libitm_i.h symbols.
952         (dispatch_wbetl): Rename from wbetl_dispatch.
953         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
954         away from dispatch_readonly; abort if the beginTransaction call
955         asserted that the transaction was readonly.
956
957 2009-11-03  Richard Henderson  <rth@redhat.com>
958
959         * memset.c: New file.
960         * Makefile.am (libitm_la_SOURCES): Add it.
961         * Makefile.in: Rebuild.
962         * testsuite/libitm.c/memset-1.c: New.
963
964 2009-11-03  Richard Henderson  <rth@redhat.com>
965
966         * dispatch.c: Remove file.
967         * useraction.c (struct gtm_user_action): Move from libitm.h.
968         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
969         (serial_memset, serial_memmove, serial_memcpy): Remove.
970         (serial_W*, serial_R*): Remove.
971         (serial_dispatch): Update to match.
972         * configure.ac: Move Werror down below configure checks.  Don't
973         check for sys/loadavg.h, do check for malloc.h.  Don't check for
974         getloadavg and clock_gettime; do check for memalign, posix_memalign.
975         Use GCC_AC_FUNC_MMAP_BLACKLIST
976         * libitm.h: Split out all internal items to...
977         * libitm_i.h: ... here.  New file.
978         * copymask.c: New file.
979         * local.c (struct gtm_local_undo): Move from libitm.h.
980         (GTM_alloc_local): Rename from alloc_local; export.
981         * memcpy.c: New file.
982         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
983         * config/posix/page.c: New file.
984         * config/posix/target_tls.h: Remove file.
985         * barrier.c: New file.
986         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
987         copymask.c, page.c.
988         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
989         * method-wbetl.c: Rewrite for new cacheline methods.
990         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
991
992         * config/alpha/sjlj.S: Fix typo.
993         * config/alpha/target_i.h: Copy functions from alpha/target.h.
994         * config/alpha/copymask.c: New file.
995         * config/alpha/target.h (CACHELINE_SIZE): New.
996         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
997
998         * config/x86/target_i.h: Copy functions from x86/target.h.
999         * config/x86/copymask.c: New file.
1000         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1001         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1002         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1003         * config/x86/target_tls.h: Move contents to target_i.h.
1004
1005         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1006         * testsuite/libitm.c/memcpy-1.c: New.
1007
1008 2009-10-22  Richard Henderson  <rth@redhat.com>
1009
1010         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1011         (AM_CCASFLAGS): New.
1012         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1013         saving/restoring _AC_ARG_VAR_PRECIOUS.
1014         * Makefile.in, aclocal.m4, config.h.in, configure,
1015         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1016
1017 2009-10-22  Richard Henderson  <rth@redhat.com>
1018
1019         * testsuite/*: Update for new compiler syntax.
1020
1021 2009-10-21  Richard Henderson  <rth@redhat.com>
1022
1023         * libitm.h (_ITM_abortReason): Add outerAbort.
1024
1025 2009-08-03  Richard Henderson  <rth@redhat.com>
1026
1027         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1028         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1029         * method-wbetl.c (struct w_entry): Remove mask.
1030         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1031         adjust all callers.
1032
1033 2009-07-22  Richard Henderson  <rth@redhat.com>
1034
1035         * eh_cpp.c: New file.
1036         * Makefile.am (libitm_la_SOURCES): Add it.
1037         * Makefile.in: Rebuild.
1038         * beginend.c (GTM_rollback_transaction): Undo exception state.
1039         (GTM_trycommit_transaction): Mark inline.
1040         (GTM_trycommit_and_finalize_transaction): Split out from ...
1041         (_ITM_commitTransaction): ... here.
1042         (_ITM_commitTransactionEH): New function.
1043         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1044         cxa_unthrown, eh_in_flight; reorder.
1045
1046         * testsuite/libitm.c++/c++.exp: New.
1047         * testsuite/libitm.c++/eh-1.C: New.
1048
1049         * aatree.c (aa_free): Remove REGPARM.
1050         * aatree.h: Remove all REGPARM.
1051
1052 2009-07-18  Richard Henderson  <rth@redhat.com>
1053
1054         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1055         * Makefile.am (libitm_la_SOURCES): Add them.
1056         * Makefile.in: Rebuild.
1057         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1058         (GTM_trycommit_transaction): Likewise.
1059         * libitm.h: Include aatree.h
1060         (struct gtm_alloc_action): New.
1061         (struct gtm_transaction): Add alloc_actions.
1062         (GTM_record_allocation, GTM_forget_allocation): Declare.
1063         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1064         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1065         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1066         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1067         _ZGTtdaPvRKSt9nothrow_t): Export.
1068
1069 2009-07-18  Richard Henderson  <rth@redhat.com>
1070
1071         * target_tls.h: Move ...
1072         * config/posix/target_tls.h: ... here.
1073
1074 2009-07-07  Richard Henderson  <rth@redhat.com>
1075
1076         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1077
1078 2009-07-07  Richard Henderson  <rth@redhat.com>
1079
1080         * Update to GPL3.
1081
1082 2009-07-07  Richard Henderson  <rth@redhat.com>
1083
1084         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1085         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1086
1087         * configure.tgt: Don't use -ftls-model for x86 linux.
1088         * libitm.h: Include target.h after standard includes.
1089         (_gtm_thr): Rename from gtm_thr.
1090         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1091         (gtm_disp, set_gtm_disp): New.
1092         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1093         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1094         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1095
1096 2009-07-07  Richard Henderson  <rth@redhat.com>
1097
1098         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1099
1100 2009-07-06  Richard Henderson  <rth@redhat.com>
1101
1102         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1103         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1104         (_ITM_beginTransaction): Take variadic arguments.
1105         (_ITM_registerThrownObject): Declare.
1106         * beginend.c, serial.c: Update.
1107         * libitm.map: Add _ITM_registerThrownObject.
1108
1109 2009-01-28  Richard Henderson  <rth@redhat.com>
1110
1111         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1112         * Makefile.in: Rebuild.
1113         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1114         (GTM_restart_transaction): Fix uninstrumented code check.
1115         * retry.c (GTM_decide_retry_strategy): Add serial check.
1116         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1117         automatically go irrevokable when in serial mode.
1118         * clone.c: New file.
1119         * libitm.h, libitm.map: Update.
1120
1121 2009-01-27  Richard Henderson  <rth@redhat.com>
1122
1123         * Makefile.am (LTCCASCOMPILE): Define.
1124         (libitm_la_SOURCES): Add methid-wbetl.c.
1125         * testsuite/Makefile.am: New
1126         * configure.ac: Add testsuite/Makefile.
1127         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1128         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1129         (_ITM_abortTransaction): Finalize implementation method; pass
1130         transaction properties to longjmp.
1131         (GTM_restart_transaction): Split out from ...
1132         (_ITM_commitTransaction): ... here.
1133         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1134         Move to config/x86/target.h.
1135         * config/linux/alpha/futex_bits.h: New.
1136         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1137         * config/x86/target.h: Disable target types for 32-bit.
1138         * config/alpha/sjlj.S, config/alpha/target.h: New.
1139         * libitm.h (struct gtm_dispatch): Add init, fini.
1140         (enum restart_reason): New.
1141         (struct gtm_transaction): Add method and restarts.
1142         * retry.c (GTM_decide_retry_strategy): Implement.
1143         * serial.c (serial_init, serial_fini): New.
1144         (GTM_serialmode): Finialize outgoing method.
1145         * method-wbetl.c: New.
1146
1147 2008-12-09  Richard Henderson  <rth@redhat.com>
1148
1149         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1150         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1151         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1152         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1153         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1154         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1155         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1156         * serial.c (serial_R##T, serial_W##T): Likewise.
1157
1158 2008-11-21  Richard Henderson  <rth@redhat.com>
1159
1160         * Initial commit.