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[pf3gnuchains/gcc-fork.git] / libitm / ChangeLog
1 2012-02-14  Torvald Riegel  <triegel@redhat.com>
2
3         * libitm_i.h (GTM::gtm_rwlog_entry): New.
4         (GTM::gtm_thread): Add read and write logs.
5         (GTM::dispatch_ml_wt): Declare.
6         * retry.cc (parse_default_method): Support ml_wt.
7         * method-ml.cc: New file.
8         * Makefile.am: Add method-ml.cc.
9         * Makefile.in: Regenerate.
10
11 2012-02-14  Torvald Riegel  <triegel@redhat.com>
12
13         * dispatch.h (GTM::abi_dispatch::supports): New.
14         (GTM::method_group::reinit): New.
15         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
16         (GTM::gtm_thread::number_of_threads_changed): Check that the method
17         supports the current situation.
18
19 2012-02-14  Torvald Riegel  <triegel@redhat.com>
20
21         * util.cc (GTM::xcalloc): New.
22         * common.h (GTM::xcalloc): Declare.
23
24 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
25
26         * config/sparc/target.h (cpu_relax): Read from CC register.
27         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
28
29 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
30
31         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
32
33 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
34
35         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
36         * config/sparc/cacheline.h: New file.
37         * config/sparc/target.h: Likewise.
38         * config/sparc/sjlj.S: Likewise.
39         * config/linux/sparc/futex_bits.h: Likewise.
40
41 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
42
43         * configure.ac (link_itm): Fix comment.
44         * configure: Regenerate.
45         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
46
47 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
48
49         PR libitm/51822
50         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
51         Correct libgomp references.
52
53 2012-01-24  Torvald Riegel  <triegel@redhat.com>
54
55         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
56         wake-up.
57
58 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
59
60         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
61         end of structure.
62         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
63         offset values.  Do not copy return address.  Decrement stack
64         by 56 bytes only.
65         (GTM_longjump) [__x86_64__]: Update offset values.
66
67 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
68
69         PR libitm/51830
70         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
71         the first function argument to %eax.
72
73 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
74
75         * libitm.h (_ITM_getThreadnum): Remove.
76         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
77
78 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
79
80         * clearcap.map: New file.
81         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
82         * configure.ac: Call it.
83         Clear HWCAP_LDFLAGS if defaulting to -mavx.
84         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
85         * configure: Regenerate.
86         * Makefile.in: Regenerate.
87         * testsuite/Makefile.in: Regenerate.
88
89 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
90
91         PR libitm/51173
92         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
93         include, exclude options.
94
95 2012-01-14  Torvald Riegel  <triegel@redhat.com>
96
97         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
98         rolling back.
99         * containers.h (GTM::vector::set_size): New.
100
101 2012-01-14  Torvald Riegel  <triegel@redhat.com>
102
103         PR libitm/51855
104         * config/generic/tls.h (GTM::mask_stack_top): New.
105         (GTM::mask_stack_bottom): Declare.
106         * config/generic/tls.c (GTM::mask_stack_bottom): New.
107         * local.cc (gtm_undolog::rollback): Filter out any updates that
108         overlap the libitm stack.  Add current transaction as parameter.
109         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
110         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
111         * testsuite/libitm.c/stackundo.c: New test.
112
113 2012-01-10  Richard Henderson  <rth@redhat.com>
114
115         * libitm_i.h (_Unwind_DeleteException): Declare weak.
116         * eh_cpp.cc (_Unwind_DeleteException): Define for
117         !HAVE_ELF_STYLE_WEAKREF.
118
119 2012-01-08  Torvald Riegel  <triegel@redhat.com>
120
121         * local.cc (GTM_LB): Use GTM::gtm_undolog.
122         (GTM::gtm_thread::drop_references_undolog): Remove.
123         (GTM::gtm_thread::commit_undolog,
124         GTM::gtm_thread::rollback_undolog): Move to ...
125         * libitm_i.h (GTM::gtm_undolog): ...here. New.
126         (GTM::gtm_undolog_entry): Remove.
127         (GTM::gtm_thread): Adapt.
128         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
129         (GTM::gtm_thread::trycommit): Adapt.
130         * method-serial.cc (serial_dispatch::log): Adapt.
131         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
132         (gl_wt_dispatch::store): Fix likely/unlikely.
133         * containers.h (GTM::vector::resize): Add additional_capacity
134         parameter and handle it.
135         (GTM::vector::resize_noinline): New/adapt.
136         (GTM::vector::push): New.
137
138 2012-01-06  Richard Henderson  <rth@redhat.com>
139
140         * configure.tgt: Support powerpc-linux and powerpc-darwin.
141         * config/linux/powerpc/futex_bits.h: New file.
142         * config/powerpc/cacheline.h: New file.
143         * config/powerpc/sjlj.S: New file.
144         * config/powerpc/target.h: New file.
145         * config/generic/asmcfi.h (cfi_offset): New.
146         (cfi_restore, cfi_undefined): New.
147
148 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
149
150         PR other/51171
151         * testsuite/libitm.c/reentrant.c: Remove xfail.
152         (thread): Pass x to pure().
153         From Patrik Marlier <patrick.marlier@gmail.com>.
154
155 2011-12-24  Torvald Riegel  <triegel@redhat.com>
156
157         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
158         privatization safety if already in serial mode.
159
160 2011-12-24  Torvald Riegel  <triegel@redhat.com>
161
162         * beginend.cc (GTM::gtm_thread::restart): Add and handle
163         finish_serial_upgrade parameter.
164         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
165         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
166         Don't unset reader flag.
167         (GTM::gtm_rwlock::write_upgrade_finish): New.
168         * config/posix/rwlock.cc: Same.
169         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
170         Declare.
171         * config/posix/rwlock.h: Same.
172         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
173         flag after commit or after rollback when restarting.
174
175 2011-12-24  Torvald Riegel  <triegel@redhat.com>
176
177         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
178         (GTM::gtm_thread::try_commit): Changed memory order.
179         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
180         as parameter.
181         * config/linux/x86/futex_bits.h (sys_futex0): Same.
182         * config/linux/sh/futex_bits.h (sys_futex0): Same.
183         * config/linux/futex_bits.h (sys_futex0): Same.
184         * config/linux/futex.cc (futex_wait, futex_wake): Same.
185         * config/linux/futex.h (futex_wait, futex_wake): Same.
186         * config/linux/rwlock.h (gtm_rwlock::writers,
187         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
188         ints.
189         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
190         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
191         gtm_rwlock::write_unlock): Fix memory orders and fences.
192         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
193         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
194         gtm_rwlock::write_unlock): Same.
195         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
196         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
197         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
198         Add comments.
199         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
200         gl_wt_dispatch::load, gl_wt_dispatch::store,
201         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
202         orders and fences.  Add comments.
203
204 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
205
206         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
207         * Makefile.in: Regenerated.
208
209 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
210
211         * configure.tgt: Add sh* case.
212         * config/sh/target.h: New file.
213         * config/sh/sjlj.S: New file.
214         * config/linux/sh/futex_bits.h: New file.
215
216 2011-12-14  Richard Henderson  <rth@redhat.com>
217
218         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
219         * config/arm/sjlj.S, config/arm/target.h: New files.
220         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
221         (cfi_rel_offset): New.
222         * config/linux/futex_bits.h: New file.
223         * config/linux/futex.cc: Include futex_bits.h here...
224         * config/linux/futex.h: ... not here.
225         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
226         * configure.ac (ARCH_AM): New conditional.
227         * Makefile.in, configure: Rebuild.
228         * configure.tgt: Handle ARM.
229
230 2011-12-13  Richard Henderson  <rth@redhat.com>
231
232         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
233         signed/unsigned comparison werror.
234
235         * local_atomic: New file.
236         * libitm_i.h: Include it.
237         (gtm_thread::shared_state): Use atomic template.
238         * beginend.cc (GTM::gtm_clock): Use atomic template.
239         (global_tid): Use atomic template if 64-bit atomics available.
240         (gtm_thread::gtm_thread): Update shared_state access.
241         (gtm_thread::trycommit): Likewise.
242         (choose_code_path): Update global_tid access.
243         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
244         * stmlock.h (GTM::gtm_clock): Use atomic template.
245         (gtm_get_clock, gtm_inc_clock): Update accesses.
246         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
247         redundant __sync_synchronize after atomic shared_state access.
248         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
249         (gtm_rwlock::write_lock_generic): Likewise.
250         (gtm_rwlock::read_unlock): Likewise.
251         * config/alpha/target.h (atomic_read_barrier): Remove.
252         (atomic_write_barrier): Remove.
253         * config/x86/target.h (atomic_read_barrier): Remove.
254         (atomic_write_barrier): Remove.
255
256 2011-11-30  Richard Henderson  <rth@redhat.com>
257
258         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
259         * beginend.c (_ITM_abortTransaction): Update to match.
260         (GTM::gtm_thread::restart): Likewise.
261         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
262         * config/x86/sjlj.S (GTM_longjmp): Likewise.
263
264 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
265
266         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
267         * Makefile.in: Regenerate.
268
269 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
270
271         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
272         * alloc_cpp.cc: Generate dummy functions if we don't
273         HAVE_ELF_STYLE_WEAKREF.
274         * eh_cpp.cc: Likewise.
275         * configure: Regenerate.
276         * aclocal.m4:  Likewise.
277         * config.h.in: Likewise.
278         * Makefile.in: Likewise.
279         * testsuite/Makefile.in: Likewise.
280
281 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
282
283         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
284         __USER_LABEL_PREFIX__ for targets that use it.
285         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
286         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
287         in portability to non-elf targets.
288         (GTM_longjmp): Likewise.
289         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
290         where required.
291
292 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
293
294         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
295         * testsuite/libitm.c/memset-1.c: Likewise.
296
297 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
298
299         * configure: Regenerate.
300
301 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
302
303         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
304         (LIBITM_ENABLE_SYMVERS): Handle sun style.
305         * Makefile.am: Handle sun style versioning.
306         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
307         * configure: Regenerate.
308         * Makefile.in: Regenerate.
309
310 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
311
312         * config/generic/asmcfi.h: Fix comment.
313         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
314         sequence without .hidden support, error for non-ELF targets.
315         (GTM_longjmp) [__ELF__]: Only use .hidden if
316         HAVE_ATTRIBUTE_VISIBILITY.
317
318 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
319
320         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
321         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
322         Dummy functions.
323         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
324         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
325
326 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
327
328         PR bootstrap/51098
329         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
330         * configure: Regenerate.
331
332 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
333
334         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
335
336 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
337
338         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
339         .hidden.
340         (.note.GNU-stack): Only use if __linux__.
341         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
342         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
343         * testsuite/libitm.c/reentrant.c: Likewise.
344         * testsuite/libitm.c/simple-2.c: Likewise.
345         * testsuite/libitm.c/txrelease.c: Likewise.
346         * testsuite/libitm.c++/static_ctor.C: Likewise.
347
348 2011-11-10  Richard Henderson  <rth@redhat.com>
349
350         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
351         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
352         * configure.ac (ARCH_X86_AVX): New conditional.
353         * Makefile.in, configure: Rebuild.
354
355 2011-11-09  Richard Henderson  <rth@redhat.com>
356
357         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
358         * configure.ac: Use it.
359         * config.h.in, configure: Rebuild.
360         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
361
362 2011-11-09  Richard Henderson  <rth@redhat.com>
363
364         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
365         * config/alpha/unaligned.h: Remove file.
366         * config/generic/unaligned.h: Remove file.
367         * config/x86/unaligned.h: Remove file.
368         * config/generic/cachepage.h: Remove file.
369         * config/posix/cachepage.cc: Remove file.
370         * config/generic/cacheline.cc: Remove file.
371         * config/x86/cacheline.cc: Remove file.
372         * config/generic/cacheline.h (gtm_cacheline): Remove the
373         store_mask, copy_mask, copy_mask_wb methods.
374         * config/x86/cacheline.h: Likewise.
375         * config/alpha/cacheline.h: Fall back to generic after setting size.
376         * config/generic/tls.cc (gtm_mask_stack): Remove.
377         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
378         (GTM_vpalignr_table): Remove.
379         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
380         (GTM_pshift_table): Remove.
381         * config/libitm_i.h: Don't include cachepage.h.
382         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
383         * Makefile.in, testsuite/Makefile.in: Rebuild.
384
385 2011-11-09  Richard Henderson  <rth@redhat.com>
386
387         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
388         to emit branch prediction hint.
389
390         * config/x86/sjlj.S: Protect elf directives with __ELF__.
391         Protect .note.GNU-stack with __linux__.
392
393         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
394         * configure, aclocal.m4, config.h.in: Rebuild.
395         * config/generic/asmcfi.h: New file.
396         * config/x86/sjlj.S: Use it.
397
398 2011-11-08  Richard Henderson  <rth@redhat.com>
399
400         * local.cc (_ITM_LB): Use a normal call, not a function alias.
401
402 2011-11-08  Richard Henderson  <rth@redhat.com>
403
404         * configure.tgt: Test correct directory for supported cpus.
405
406         * configure.ac: Exit if unsupported.
407         * configure: Rebuild.
408         * configure.tgt: Delete boilerplate from libgomp for unsupported
409         targets.  Set UNSUPPORTED for unsupported targets.
410
411 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
412
413         * configure.tgt: Handle i386 like i[456]86.
414         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
415         take address.
416         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
417         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
418
419 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
420
421         * method-wbetl.cc: Update copyright notice.
422         * aatree.cc: Same.
423         * util.cc: Same.
424         * libitm.h: Same.
425         * memset.cc: Same.
426         * eh_cpp.cc: Same.
427         * barrier.tpl: Same.
428         * useraction.cc: Same.
429         * stmlock.h: Same.
430         * memcpy.cc: Same.
431         * common.h: Same.
432         * config/generic/tls.cc: Same.
433         * config/generic/cacheline.h: Same.
434         * config/generic/cachepage.h: Same.
435         * config/generic/cacheline.cc: Same.
436         * config/generic/unaligned.h: Same.
437         * config/x86/cacheline.h: Same.
438         * config/x86/cacheline.cc: Same.
439         * config/x86/unaligned.h: Same.
440         * config/alpha/cacheline.h: Same.
441         * config/alpha/unaligned.h: Same.
442         * config/alpha/sjlj.S: Same.
443         * config/posix/cachepage.cc: Same.
444         * config/linux/futex.h: Same.
445         * config/linux/alpha/futex_bits.h: Same.
446
447 2011-11-04  Torvald Riegel  <triegel@redhat.com>
448
449         * libitm.texi: No cover text and invariant sections.
450
451 2011-11-03  Richard Henderson  <rth@redhat.com>
452
453         * local_type_traits: New file.
454         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
455
456 2011-11-03  Richard Henderson  <rth@redhat.com>
457
458         * configure.ac: Don't test for gfortran.
459         * configure: Rebuild.
460
461         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
462         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
463
464 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
465
466         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
467         * testsuite/libitm.c/memset-1.c: Same.
468         * testsuite/libitm.c/c.exp: Same.
469         * testsuite/lib/libitm-dg.exp: Same.
470         * testsuite/lib/libitm.exp: Same.
471         * testsuite/libitm.c++/c++.exp: Same.
472
473 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
474
475         * testsuite/config/default.exp: Update copyright date.
476         * configure.ac: Add copyright info.
477         * configure.tgt: Same.
478
479 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
480
481         * testsuite/libitm.c/reentrant.c: XFAIL.
482         * testsuite/libitm.c++/static_ctor.C: XFAIL.
483
484 2011-10-29  Torvald Riegel  <triegel@redhat.com>
485
486         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
487         handle aborts.
488         (_ITM_abortTransaction): Handle aborts of outer transactions.
489         * libitm_i.h: Same.
490         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
491         * libitm.texi: Document aborts of outer transactions.
492         * testsuite/libitm.c/cancel.c: New file.
493
494 2011-10-19  Torvald Riegel  <triegel@redhat.com>
495
496         * testsuite/*: Change __transaction to __transaction_atomic or
497         __transaction_relaxed.
498
499 2011-10-19  Torvald Riegel  <triegel@redhat.com>
500
501         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
502         (gtm_thr): Same.
503
504 2011-10-19  Torvald Riegel  <triegel@redhat.com>
505
506         * libitm_i.h: Add gl_wt dispatch.
507         * retry.cc (parse_default_method): Same.
508         * method-gl.cc: New file.
509         * Makefile.am: Use method-gl.cc.
510         * Makefile.in: Rebuild.
511
512 2011-10-19  Torvald Riegel  <triegel@redhat.com>
513
514         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
515         safety if requested by a TM method.
516         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
517         privatization safety.
518         * method-serial.cc: Same.
519
520 2011-10-19  Torvald Riegel  <triegel@redhat.com>
521
522         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
523         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
524         undolog-related member functions from *_local to *_undolog.
525         * local.cc (gtm_thread::commit_undolog): Same.
526         * beginend.cc (GTM::gtm_thread::trycommit): Same.
527         (GTM::gtm_thread::rollback): Roll back undolog before
528         dispatch-specific rollback.
529
530 2011-10-19  Torvald Riegel  <triegel@redhat.com>
531
532         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
533         re-initialization of the current method group.
534         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
535
536 2011-10-19  Torvald Riegel  <triegel@redhat.com>
537
538         * alloc.cc (commit_allocations_2): Do not free transaction-local
539         memory when committing a nested transaction.
540
541 2011-10-19  Torvald Riegel  <triegel@redhat.com>
542
543         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
544         serial-irrevocable dispatch, not serial.
545
546 2011-10-19  Torvald Riegel  <triegel@redhat.com>
547
548         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
549         declarations.
550         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
551         * method-serial.cc: Implement begin_or_restart().
552         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
553         dispatch-specific begin_or_restart().
554         (GTM::gtm_thread::restart): Same.
555
556 2011-08-23  Torvald Riegel  <triegel@redhat.com>
557
558         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
559         restarting without switching to serial mode.
560         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
561         transaction state. Choose closed-nesting alternative if available.
562         (GTM::gtm_thread::set_default_dispatch): New.
563         (parse_default_method): New.
564         (GTM::gtm_thread::number_of_threads_changed): New.
565         * method-serial.cc (GTM::serial_mg): New method group class.
566         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
567         fini.
568         (GTM::serial_dispatch): Same.
569         (GTM::serialirr_onwrite_dispatch): Same.
570         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
571         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
572         registered threads.
573         (GTM::gtm_thread::gtm_thread): Same.
574         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
575         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
576         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
577         choose dispatch but set state according to dispatch here.
578         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
579         (GTM::method_group): New class.
580         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
581         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
582         * libitm.texi: Document TM methods, method groups, method life cycle.
583         Rename method sets to method groups.
584
585 2011-08-23  Torvald Riegel  <triegel@redhat.com>
586
587         * config/x86/tls.h: Moved to ...
588         * config/linux/x86/tls.h: ... here.
589
590 2011-08-23  Torvald Riegel  <triegel@redhat.com>
591
592         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
593         Add X32 support.
594         * config/x86/sjlj.S: Same.
595
596 2011-08-19  Torvald Riegel  <triegel@redhat.com>
597
598         * config/linux/rwlock.h: New file.
599         * config/linux/rwlock.c: New file.
600         * configure.ac: Reenable futex support (undo SVN rev 157758).
601         * Makefile.am: Same.
602         * configure.tgt: Same.
603         * config/linux/alpha/futex_bits.h: Same.
604         * config/linux/futex.h: Same. Return number of woken processes.
605         * config/linux/futex.cc: Same.
606         (futex_wait): Remove spinning.
607         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
608         Use __x86_64__ instead of __LP64__.
609         * aclocal.m4: Include generic futex checks.
610         * configure: Rebuild.
611         * Makefile.in: Rebuild.
612         * testsuite/Makefile.in: Rebuild.
613         * beginend.cc: Include pthread.h.
614         * config/posix/cachepage.cc: Same.
615
616 2011-08-12  Torvald Riegel  <triegel@redhat.com>
617
618         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
619         (abi_disp, set_abi_disp): Move to tx's TLS slot.
620         (set_gtm_thr): New.
621         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
622         (set_gtm_thr): New.
623         (GTM::gtm_thread::thread_num): Removed.
624         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
625         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
626         tx-to-thread renaming.
627         * beginend.cc: Adapted to tx-to-thread renaming.
628         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
629         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
630         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
631         gtm_transaction to gtm_thread.
632         (_ITM_getThreadnum): Removed. Not supported anymore.
633         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
634         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
635         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
636         gtm_tx-to-gtm_thr renaming if necessary.
637         * eh_cpp.cc: Same.
638         * local.cc: Same.
639         * retry.cc: Same.
640         * clone.cc: Same.
641         * alloc.cc: Same.
642         * alloc_c.cc: Same.
643         * alloc_cpp.cc: Same.
644         * method-serial.cc: Same.
645         * config/generic/tls.cc: Same.
646         * config/posix/rwlock.h (gtm_rwlock): Same.
647         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
648
649 2011-08-12  Torvald Riegel  <triegel@redhat.com>
650
651         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
652         implementation.
653         (gtm_rwlock::read_unlock): Same.
654         (gtm_rwlock::write_lock_generic): New. Generalized from ...
655         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
656         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
657         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
658         w_upgrade. Replaced by per-transaction flags (in shared_state).
659         Added c_confirmed_writers.
660         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
661         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
662         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
663         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
664         * beginend.cc (GTM::gtm_transaction::begin_transaction,
665         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
666         * libitm.texi: Document locking conventions and implementations in
667         libitm.
668
669 2011-08-12  Torvald Riegel  <triegel@redhat.com>
670
671         * libitm_i.h (next_tx): Add list of all threads' transaction.
672         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
673         transaction with list of transactions and ...
674         (thread_exit_handler): ... deregister here.
675         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
676         * config/x86/target.h: Same.
677
678 2011-08-12  Torvald Riegel  <triegel@redhat.com>
679
680         * testsuite/libitm.c++/static_ctor.C: New file.
681
682 2011-08-12  Torvald Riegel  <triegel@redhat.com>
683
684         * testsuite/libitm.c/reentrant.c: New file.
685
686 2011-08-12  Torvald Riegel  <triegel@redhat.com>
687
688         * config/generic/tls.h: Remove the free list for transactions and ...
689         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
690         (GTM::gtm_transaction::operator delete): ... and release here.
691         (thread_exit_handler): New. Delete tx when thread terminates.
692         (thread_exit_init): New.
693         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
694         * testsuite/libitm.c/txrelease.c: New file.
695
696 2011-08-12  Torvald Riegel  <triegel@redhat.com>
697
698         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
699         * testsuite/libitm.c/notx.c: New file.
700
701 2011-08-12  Torvald Riegel  <triegel@redhat.com>
702
703         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
704         * libitm_i.h (local_tid): ... to here.
705         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
706         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
707
708 2011-08-12  Torvald Riegel  <triegel@redhat.com>
709
710         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
711         serialirr_onwrite_dispatch as new default for now.
712         * method-serial.cc (serialirr_onwrite_dispatch): New.
713         (GTM::dispatch_serialirr_onwrite): New.
714         * libitm_i.h: Same.
715
716 2011-08-12  Torvald Riegel  <triegel@redhat.com>
717
718         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
719         * query.cc (_ITM_getTransactionId): There is no active transaction if
720         the current nesting level is zero.
721
722 2011-07-28  Torvald Riegel  <triegel@redhat.com>
723
724         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
725         rollback.
726
727 2011-07-28  Torvald Riegel  <triegel@redhat.com>
728
729         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
730         transaction properties from the caller instead of from the
731         transaction object.
732         * libitm_i.h: Same.
733         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
734
735 2011-07-28  Torvald Riegel  <triegel@redhat.com>
736
737         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
738         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
739         * dispatch.h: Same.
740         * method-serial.cc: Same.
741         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
742         flat nesting as default, and closed nesting on demand.
743         (GTM::gtm_transaction::rollback): Same.
744         (_ITM_abortTransaction): Same.
745         (GTM::gtm_transaction::restart): Same.
746         (GTM::gtm_transaction::trycommit): Same.
747         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
748         (choose_code_path): New.
749         (GTM::gtm_transaction_cp::save): New.
750         (GTM::gtm_transaction_cp::commit): New.
751         * query.cc (_ITM_inTransaction): Support flat nesting.
752         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
753         (GTM::gtm_transaction): Support flat and closed nesting.
754         * alloc.cc (commit_allocations_2): New.
755         (commit_cb_data): New helper struct.
756         (GTM::gtm_transaction::commit_allocations): Handle nested
757         commits/rollbacks.
758         * libitm.texi: Update user action section, add description of nesting.
759
760 2011-07-28  Torvald Riegel  <triegel@redhat.com>
761
762         * libitm_i.h: Add closed nesting as restart reason.
763         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
764
765 2011-07-28  Torvald Riegel  <triegel@redhat.com>
766
767         * useraction.cc: Use vector instead of list to store actions.
768         Also support partial rollbacks for closed nesting.
769         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
770         * beginend.cc: Same.
771
772 2011-07-28  Torvald Riegel  <triegel@redhat.com>
773
774         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
775         closed_nesting flags, as well as a closed nesting alternative.
776         * method-serial.cc: Same.
777         (serial_dispatch): Renamed to serialirr_dispatch.
778         (GTM::dispatch_serialirr): Same.
779         (serial_dispatch_ul): Renamed to serial_dispatch.
780         (GTM::dispatch_serial): Same.
781
782 2011-07-28  Torvald Riegel  <triegel@redhat.com>
783
784         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
785
786 2011-07-28  Torvald Riegel  <triegel@redhat.com>
787
788         * aatree.h (aa_tree::remove): New.
789         (aa_tree::operator new): Add placement new.
790
791 2011-07-02  Torvald Riegel  <triegel@redhat.com>
792
793         * containers.h: New file.
794         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
795         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
796         * common.h: ... to here.
797         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
798         * local.cc: Same.
799
800 2011-06-30  Torvald Riegel  <triegel@redhat.com>
801
802         * libitm_i.h (STATE_ABORTING): Remove.
803         * beginend.cc (_ITM_abortTransaction): Same.
804         (GTM::gtm_transaction::trycommit_and_finalize): Same.
805         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
806         (_ITM_rollbackTransaction): Remove.
807         * beginend.cc: Same.
808         * libitm.map: Same.
809         * libitm.texi: Document these ABI changes.
810
811 2011-06-30  Torvald Riegel  <triegel@redhat.com>
812
813         * libitm.texi: New file.
814         * Makefile.am: Add libitm.texi.
815         * Makefile.in: Rebuild.
816
817 2011-06-30  Torvald Riegel  <triegel@redhat.com>
818
819         * libitm_i.h: Move parts to common.h and dispatch.h.
820         * common.h: New file.
821         * dispatch.h: New file, new dispatch class.
822         Rename GTM::abi_dispatch::lock_type to ls_modifier.
823         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
824         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
825         decision to retry.cc.
826         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
827         only.
828         (GTM::gtm_transaction::decide_begin_dispatch): Same.
829         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
830         logging.
831         * barrier.cc: Use new barriers definitions.
832         (abi_dispatch::memmove_overlap_check): New.
833         * config/x86/x86_sse.cc: Same.
834         * config/x86/x86_avx.cc: Same.
835         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
836         memcpy.cc.
837         * Makefile.in: Rebuild.
838         * method-readonly.cc: Remove.
839         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
840         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
841
842 2011-06-30  Torvald Riegel  <triegel@redhat.com>
843
844         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
845         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
846         * testsuite/libitm.c/dropref-2.c: Same.
847         * testsuite/libitm.c/dropref.c: Same.
848
849 2011-06-30  Torvald Riegel  <triegel@redhat.com>
850
851         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
852         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
853         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
854         * alloc_c.cc: Same.
855         * barrier.tpl: Same.
856         * beginend.c: Same.
857         * config/generic/tls.h: Same.
858         * config/x86/tls.h: Same.
859         * libitm_i.h: Same.
860         * memcpy.cc: Same.
861         * memset.cc: Same.
862         * method-readonly.cc: Same.
863         * method-serial.cc: Same.
864         * method-wbetl.cc: Same.
865         * retry.cc: Same.
866
867 2011-03-03  Richard Henderson  <rth@redhat.com>
868
869         * config/posix/rwlock.cc (write_upgrade): Add missing case.
870         From Patrik Marlier <patrick.marlier@unine.ch>.
871
872 2011-02-03  Richard Henderson  <rth@redhat.com>
873
874         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
875         * configure.ac: Use it.
876         * configure, config.h.in: Rebuild.
877         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
878         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
879         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
880         * libitm.map: Use wildcards to match size_t mangling.
881
882 2010-12-14  Richard Henderson  <rth@redhat.com>
883
884         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
885         blocks of TIDs per thread.
886         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
887         (setup_gtm_thr): Return the thread structure.
888         * config/x86/tls.h (setup_gtm_thr): Likewise.
889
890 2010-12-14  Richard Henderson  <rth@redhat.com>
891
892         * clone.cc (table_lock): Remove.
893         (find_clone): Don't take it.
894         (ExcludeTransaction): New helper class.
895         (_ITM_registerTMCloneTable): Use it.
896         (_ITM_deregisterTMCloneTable): Likewise.
897
898 2010-12-14  Richard Henderson  <rth@redhat.com>
899
900         * config/x86/tls.h: New file.
901
902 2010-07-15  Richard Henderson  <rth@redhat.com>
903
904         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
905         * Makefile.in: Rebuild.
906
907 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
908
909         * method-wbetl.cc (trydropreference): Fix source line.
910
911 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
912
913         * libitm.h: Add comment.
914         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
915
916 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
917
918         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
919         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
920         available, use pthread mutexes.
921         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
922         * config.h.in: Regenerate.
923         * configure: Regenerate.
924
925 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
926
927         * libitm.h (ITM_PURE): Define.
928         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
929
930 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
931
932         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
933         (validate): Add comment.
934         (trydropreference): New.
935         * method-readonly.cc (class readonly_dispatch): Add
936         trydropreference.
937         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
938         Call trydropreference().
939         * libitm.h (_ITM_dropReferences): Remove const attribute.
940         * method-serial.cc (class serial_dispatch): Add trydropreference.
941         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
942
943 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
944
945         * memcpy.cc (do_memcpy): Comment.
946
947 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
948
949         * barrier.tpl: Add comments throughout.
950
951 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
952
953         * method-wbetl.cc (struct w_entry): Add comments.
954         (trycommit): Same.
955         (rollback): Same.
956
957 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
958
959         * alloc_c.cc (_ITM_dropReferences): New.
960         * libitm.map (_ITM_dropReferences): Add.
961         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
962         * libitm_i.h (struct gtm_transaction): Declare
963         drop_references_allocations and drop_references_local.
964         * local.cc (rollback_local): Ignore memory when applicable.
965         (drop_references_local): New.
966
967 2010-06-23  Richard Henderson  <rth@redhat.com>
968
969         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
970         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
971         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
972         * config/alpha/target.h: Likewise.
973         * config/generic/tls.cc (gtm_mask_stack): Use it.
974
975 2010-06-23  Richard Henderson  <rth@redhat.com>
976
977         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
978         a mutex instead of trying a lock-free compare-and-swap on the list.
979         (gtm_cacheline_page::operator delete): Likewise.
980
981 2010-06-16  Richard Henderson  <rth@redhat.com>
982
983         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
984         that overlap the libitm stack.
985         * barrier.tpl: Mark incoming stack.
986         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
987         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
988         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
989         * memcpy.cc, memset.cc: Likewise.
990         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
991         * config/generic/tls.h (gtm_thread): Add stack_top member.
992         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
993         * libitm_i.h (gtm_mask_stack): Declare.
994         * config/generic/tls.cc: New file.
995         * Makefile.am (libitm_la_SOURCES): Add it.
996         (AM_CXXFLAGS): Turn off exceptions.
997         * Makefile.in: Rebuild.
998
999 2010-06-16  Richard Henderson  <rth@redhat.com>
1000
1001         * alloc.cc (struct gtm_alloc_action): Move definition ...
1002         * libitm_i.h: ... here.
1003         (class gtm_transaction): Declare new and delete.
1004         * beginend.cc (alloc_tx): Reformulate as operator new.
1005         (free_tx): Reformulate as operator delete.
1006         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1007
1008 2010-06-11  Richard Henderson  <rth@redhat.com>
1009
1010         * clone.cc (clone_entry_compare): Fix typo.
1011         From Patrik Marlier <patrick.marlier@unine.ch>.
1012
1013 2010-05-13  Richard Henderson  <rth@redhat.com>
1014
1015         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1016         in extern "C".
1017
1018 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1019
1020         * libitm_i.h (struct gtm_transaction): Remove
1021         get_allocation_size.
1022         (record_allocation): Remove size parameter.
1023         * libitm.map (_ITM_realloc): Remove.
1024         * alloc_c.cc (_ITM_realloc): Remove.
1025         (_ITM_malloc): Remove size argument to record_allocation.
1026         (_ITM_calloc): Same.
1027         * alloc_cpp.cc (_ZGTtnwm): Same.
1028         (_ZGTtnwmRKSt9nothrow_t): Same.
1029         (_ZGTtnam): Same.
1030         (_ZGTtnamRKSt9nothrow_t): Same.
1031         * alloc.cc (struct gtm_alloc_action): Remove size.
1032         (get_allocation_size): Remove.
1033         (commit_allocations): Add comment.
1034         (record_allocation): Remove size parameter.
1035         (forget_allocation): Remove set of size.
1036
1037 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1038
1039         * Makefile.am (abi_version): New.
1040         (AM_CXXFLAGS): Pass abi_version.
1041         * Makefile.in: Regenerate.
1042         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1043
1044 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1045
1046         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1047         _ITM_getTMCloneOrIrrevokable.
1048         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1049         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1050
1051 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1052
1053         * configure.ac: Remove Linux futex support.
1054         * configure.tgt (config_path): Same.
1055         * Makefile.am: Same.
1056         * config/linux: Remove entire directory.
1057         * configure: Rebuild.
1058         * Makefile.in: Rebuild.
1059         * testsuite/Makefile.in: Rebuild.
1060
1061 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1062
1063         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1064         switching to serial mode.
1065         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1066
1067 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1068
1069         * configure.tgt: Add emacs -*- tags.
1070         * barrier.tpl: Same.
1071
1072 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1073
1074         * Makefile.am: Rename serial.cc to method-serial.cc.
1075         * Makefile.in: Regenerate with automake 1.11.1.
1076         * testsuite/Makefile.in: Same.
1077         * aclocal.m4: Regenerate with aclocal 1.11.1.
1078         * method-serial.cc: Rename from serial.cc.
1079         * libitm_i.h (struct gtm_transaction): Update comment on
1080         serialirr_mode.
1081
1082 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1083
1084         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1085         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1086
1087 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1088
1089         * configure: Rebuild.
1090
1091 2009-11-12  Richard Henderson  <rth@redhat.com>
1092
1093         * Rewrite everything in C++.
1094
1095 2009-11-03  Richard Henderson  <rth@redhat.com>
1096
1097         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1098         * Makefile.am (libitm_la_SOURCES): Add them.
1099         * configure.ac (ARCH_X86): New conditional.
1100         * Makefile.in, configure: Rebuild.
1101         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1102         Move futex setup into "other system configury" case.
1103         * local.c (rollback_local): Merge into ...
1104         (GTM_rollback_local): ... here.
1105         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1106         (_ITM_LB): Define as an alias to GTM_LB.
1107
1108 2009-11-03  Richard Henderson  <rth@redhat.com>
1109
1110         * method-readonly.c: New file.
1111         * Makefile.am (libitm_la_SOURCES): Add it.
1112         * Makefile.in: Rebuild.
1113         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1114         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1115         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1116         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1117         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1118         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1119         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1120         gtm_get_clock, gtm_inc_clock): New.
1121         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1122         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1123         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1124         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1125         replace uses with new libitm_i.h symbols.
1126         (dispatch_wbetl): Rename from wbetl_dispatch.
1127         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1128         away from dispatch_readonly; abort if the beginTransaction call
1129         asserted that the transaction was readonly.
1130
1131 2009-11-03  Richard Henderson  <rth@redhat.com>
1132
1133         * memset.c: New file.
1134         * Makefile.am (libitm_la_SOURCES): Add it.
1135         * Makefile.in: Rebuild.
1136         * testsuite/libitm.c/memset-1.c: New.
1137
1138 2009-11-03  Richard Henderson  <rth@redhat.com>
1139
1140         * dispatch.c: Remove file.
1141         * useraction.c (struct gtm_user_action): Move from libitm.h.
1142         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1143         (serial_memset, serial_memmove, serial_memcpy): Remove.
1144         (serial_W*, serial_R*): Remove.
1145         (serial_dispatch): Update to match.
1146         * configure.ac: Move Werror down below configure checks.  Don't
1147         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1148         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1149         Use GCC_AC_FUNC_MMAP_BLACKLIST
1150         * libitm.h: Split out all internal items to...
1151         * libitm_i.h: ... here.  New file.
1152         * copymask.c: New file.
1153         * local.c (struct gtm_local_undo): Move from libitm.h.
1154         (GTM_alloc_local): Rename from alloc_local; export.
1155         * memcpy.c: New file.
1156         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1157         * config/posix/page.c: New file.
1158         * config/posix/target_tls.h: Remove file.
1159         * barrier.c: New file.
1160         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1161         copymask.c, page.c.
1162         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1163         * method-wbetl.c: Rewrite for new cacheline methods.
1164         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1165
1166         * config/alpha/sjlj.S: Fix typo.
1167         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1168         * config/alpha/copymask.c: New file.
1169         * config/alpha/target.h (CACHELINE_SIZE): New.
1170         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1171
1172         * config/x86/target_i.h: Copy functions from x86/target.h.
1173         * config/x86/copymask.c: New file.
1174         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1175         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1176         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1177         * config/x86/target_tls.h: Move contents to target_i.h.
1178
1179         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1180         * testsuite/libitm.c/memcpy-1.c: New.
1181
1182 2009-10-22  Richard Henderson  <rth@redhat.com>
1183
1184         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1185         (AM_CCASFLAGS): New.
1186         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1187         saving/restoring _AC_ARG_VAR_PRECIOUS.
1188         * Makefile.in, aclocal.m4, config.h.in, configure,
1189         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1190
1191 2009-10-22  Richard Henderson  <rth@redhat.com>
1192
1193         * testsuite/*: Update for new compiler syntax.
1194
1195 2009-10-21  Richard Henderson  <rth@redhat.com>
1196
1197         * libitm.h (_ITM_abortReason): Add outerAbort.
1198
1199 2009-08-03  Richard Henderson  <rth@redhat.com>
1200
1201         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1202         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1203         * method-wbetl.c (struct w_entry): Remove mask.
1204         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1205         adjust all callers.
1206
1207 2009-07-22  Richard Henderson  <rth@redhat.com>
1208
1209         * eh_cpp.c: New file.
1210         * Makefile.am (libitm_la_SOURCES): Add it.
1211         * Makefile.in: Rebuild.
1212         * beginend.c (GTM_rollback_transaction): Undo exception state.
1213         (GTM_trycommit_transaction): Mark inline.
1214         (GTM_trycommit_and_finalize_transaction): Split out from ...
1215         (_ITM_commitTransaction): ... here.
1216         (_ITM_commitTransactionEH): New function.
1217         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1218         cxa_unthrown, eh_in_flight; reorder.
1219
1220         * testsuite/libitm.c++/c++.exp: New.
1221         * testsuite/libitm.c++/eh-1.C: New.
1222
1223         * aatree.c (aa_free): Remove REGPARM.
1224         * aatree.h: Remove all REGPARM.
1225
1226 2009-07-18  Richard Henderson  <rth@redhat.com>
1227
1228         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1229         * Makefile.am (libitm_la_SOURCES): Add them.
1230         * Makefile.in: Rebuild.
1231         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1232         (GTM_trycommit_transaction): Likewise.
1233         * libitm.h: Include aatree.h
1234         (struct gtm_alloc_action): New.
1235         (struct gtm_transaction): Add alloc_actions.
1236         (GTM_record_allocation, GTM_forget_allocation): Declare.
1237         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1238         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1239         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1240         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1241         _ZGTtdaPvRKSt9nothrow_t): Export.
1242
1243 2009-07-18  Richard Henderson  <rth@redhat.com>
1244
1245         * target_tls.h: Move ...
1246         * config/posix/target_tls.h: ... here.
1247
1248 2009-07-07  Richard Henderson  <rth@redhat.com>
1249
1250         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1251
1252 2009-07-07  Richard Henderson  <rth@redhat.com>
1253
1254         * Update to GPL3.
1255
1256 2009-07-07  Richard Henderson  <rth@redhat.com>
1257
1258         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1259         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1260
1261         * configure.tgt: Don't use -ftls-model for x86 linux.
1262         * libitm.h: Include target.h after standard includes.
1263         (_gtm_thr): Rename from gtm_thr.
1264         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1265         (gtm_disp, set_gtm_disp): New.
1266         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1267         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1268         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1269
1270 2009-07-07  Richard Henderson  <rth@redhat.com>
1271
1272         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1273
1274 2009-07-06  Richard Henderson  <rth@redhat.com>
1275
1276         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1277         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1278         (_ITM_beginTransaction): Take variadic arguments.
1279         (_ITM_registerThrownObject): Declare.
1280         * beginend.c, serial.c: Update.
1281         * libitm.map: Add _ITM_registerThrownObject.
1282
1283 2009-01-28  Richard Henderson  <rth@redhat.com>
1284
1285         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1286         * Makefile.in: Rebuild.
1287         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1288         (GTM_restart_transaction): Fix uninstrumented code check.
1289         * retry.c (GTM_decide_retry_strategy): Add serial check.
1290         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1291         automatically go irrevokable when in serial mode.
1292         * clone.c: New file.
1293         * libitm.h, libitm.map: Update.
1294
1295 2009-01-27  Richard Henderson  <rth@redhat.com>
1296
1297         * Makefile.am (LTCCASCOMPILE): Define.
1298         (libitm_la_SOURCES): Add methid-wbetl.c.
1299         * testsuite/Makefile.am: New
1300         * configure.ac: Add testsuite/Makefile.
1301         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1302         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1303         (_ITM_abortTransaction): Finalize implementation method; pass
1304         transaction properties to longjmp.
1305         (GTM_restart_transaction): Split out from ...
1306         (_ITM_commitTransaction): ... here.
1307         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1308         Move to config/x86/target.h.
1309         * config/linux/alpha/futex_bits.h: New.
1310         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1311         * config/x86/target.h: Disable target types for 32-bit.
1312         * config/alpha/sjlj.S, config/alpha/target.h: New.
1313         * libitm.h (struct gtm_dispatch): Add init, fini.
1314         (enum restart_reason): New.
1315         (struct gtm_transaction): Add method and restarts.
1316         * retry.c (GTM_decide_retry_strategy): Implement.
1317         * serial.c (serial_init, serial_fini): New.
1318         (GTM_serialmode): Finialize outgoing method.
1319         * method-wbetl.c: New.
1320
1321 2008-12-09  Richard Henderson  <rth@redhat.com>
1322
1323         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1324         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1325         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1326         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1327         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1328         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1329         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1330         * serial.c (serial_R##T, serial_W##T): Likewise.
1331
1332 2008-11-21  Richard Henderson  <rth@redhat.com>
1333
1334         * Initial commit.