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* config/x86/target.h (GTM_longjmp): Correct .cfi directives.
[pf3gnuchains/gcc-fork.git] / libitm / ChangeLog
1 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
4
5 2012-02-14  Torvald Riegel  <triegel@redhat.com>
6
7         * libitm_i.h (GTM::gtm_rwlog_entry): New.
8         (GTM::gtm_thread): Add read and write logs.
9         (GTM::dispatch_ml_wt): Declare.
10         * retry.cc (parse_default_method): Support ml_wt.
11         * method-ml.cc: New file.
12         * Makefile.am: Add method-ml.cc.
13         * Makefile.in: Regenerate.
14
15 2012-02-14  Torvald Riegel  <triegel@redhat.com>
16
17         * dispatch.h (GTM::abi_dispatch::supports): New.
18         (GTM::method_group::reinit): New.
19         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
20         (GTM::gtm_thread::number_of_threads_changed): Check that the method
21         supports the current situation.
22
23 2012-02-14  Torvald Riegel  <triegel@redhat.com>
24
25         * util.cc (GTM::xcalloc): New.
26         * common.h (GTM::xcalloc): Declare.
27
28 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
29
30         * config/sparc/target.h (cpu_relax): Read from CC register.
31         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
32
33 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
34
35         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
36
37 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
38
39         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
40         * config/sparc/cacheline.h: New file.
41         * config/sparc/target.h: Likewise.
42         * config/sparc/sjlj.S: Likewise.
43         * config/linux/sparc/futex_bits.h: Likewise.
44
45 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
46
47         * configure.ac (link_itm): Fix comment.
48         * configure: Regenerate.
49         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
50
51 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
52
53         PR libitm/51822
54         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
55         Correct libgomp references.
56
57 2012-01-24  Torvald Riegel  <triegel@redhat.com>
58
59         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
60         wake-up.
61
62 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
63
64         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
65         end of structure.
66         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
67         offset values.  Do not copy return address.  Decrement stack
68         by 56 bytes only.
69         (GTM_longjump) [__x86_64__]: Update offset values.
70
71 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
72
73         PR libitm/51830
74         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
75         the first function argument to %eax.
76
77 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
78
79         * libitm.h (_ITM_getThreadnum): Remove.
80         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
81
82 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
83
84         * clearcap.map: New file.
85         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
86         * configure.ac: Call it.
87         Clear HWCAP_LDFLAGS if defaulting to -mavx.
88         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
89         * configure: Regenerate.
90         * Makefile.in: Regenerate.
91         * testsuite/Makefile.in: Regenerate.
92
93 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
94
95         PR libitm/51173
96         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
97         include, exclude options.
98
99 2012-01-14  Torvald Riegel  <triegel@redhat.com>
100
101         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
102         rolling back.
103         * containers.h (GTM::vector::set_size): New.
104
105 2012-01-14  Torvald Riegel  <triegel@redhat.com>
106
107         PR libitm/51855
108         * config/generic/tls.h (GTM::mask_stack_top): New.
109         (GTM::mask_stack_bottom): Declare.
110         * config/generic/tls.c (GTM::mask_stack_bottom): New.
111         * local.cc (gtm_undolog::rollback): Filter out any updates that
112         overlap the libitm stack.  Add current transaction as parameter.
113         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
114         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
115         * testsuite/libitm.c/stackundo.c: New test.
116
117 2012-01-10  Richard Henderson  <rth@redhat.com>
118
119         * libitm_i.h (_Unwind_DeleteException): Declare weak.
120         * eh_cpp.cc (_Unwind_DeleteException): Define for
121         !HAVE_ELF_STYLE_WEAKREF.
122
123 2012-01-08  Torvald Riegel  <triegel@redhat.com>
124
125         * local.cc (GTM_LB): Use GTM::gtm_undolog.
126         (GTM::gtm_thread::drop_references_undolog): Remove.
127         (GTM::gtm_thread::commit_undolog,
128         GTM::gtm_thread::rollback_undolog): Move to ...
129         * libitm_i.h (GTM::gtm_undolog): ...here. New.
130         (GTM::gtm_undolog_entry): Remove.
131         (GTM::gtm_thread): Adapt.
132         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
133         (GTM::gtm_thread::trycommit): Adapt.
134         * method-serial.cc (serial_dispatch::log): Adapt.
135         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
136         (gl_wt_dispatch::store): Fix likely/unlikely.
137         * containers.h (GTM::vector::resize): Add additional_capacity
138         parameter and handle it.
139         (GTM::vector::resize_noinline): New/adapt.
140         (GTM::vector::push): New.
141
142 2012-01-06  Richard Henderson  <rth@redhat.com>
143
144         * configure.tgt: Support powerpc-linux and powerpc-darwin.
145         * config/linux/powerpc/futex_bits.h: New file.
146         * config/powerpc/cacheline.h: New file.
147         * config/powerpc/sjlj.S: New file.
148         * config/powerpc/target.h: New file.
149         * config/generic/asmcfi.h (cfi_offset): New.
150         (cfi_restore, cfi_undefined): New.
151
152 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
153
154         PR other/51171
155         * testsuite/libitm.c/reentrant.c: Remove xfail.
156         (thread): Pass x to pure().
157         From Patrik Marlier <patrick.marlier@gmail.com>.
158
159 2011-12-24  Torvald Riegel  <triegel@redhat.com>
160
161         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
162         privatization safety if already in serial mode.
163
164 2011-12-24  Torvald Riegel  <triegel@redhat.com>
165
166         * beginend.cc (GTM::gtm_thread::restart): Add and handle
167         finish_serial_upgrade parameter.
168         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
169         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
170         Don't unset reader flag.
171         (GTM::gtm_rwlock::write_upgrade_finish): New.
172         * config/posix/rwlock.cc: Same.
173         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
174         Declare.
175         * config/posix/rwlock.h: Same.
176         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
177         flag after commit or after rollback when restarting.
178
179 2011-12-24  Torvald Riegel  <triegel@redhat.com>
180
181         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
182         (GTM::gtm_thread::try_commit): Changed memory order.
183         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
184         as parameter.
185         * config/linux/x86/futex_bits.h (sys_futex0): Same.
186         * config/linux/sh/futex_bits.h (sys_futex0): Same.
187         * config/linux/futex_bits.h (sys_futex0): Same.
188         * config/linux/futex.cc (futex_wait, futex_wake): Same.
189         * config/linux/futex.h (futex_wait, futex_wake): Same.
190         * config/linux/rwlock.h (gtm_rwlock::writers,
191         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
192         ints.
193         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
194         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
195         gtm_rwlock::write_unlock): Fix memory orders and fences.
196         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
197         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
198         gtm_rwlock::write_unlock): Same.
199         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
200         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
201         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
202         Add comments.
203         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
204         gl_wt_dispatch::load, gl_wt_dispatch::store,
205         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
206         orders and fences.  Add comments.
207
208 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
209
210         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
211         * Makefile.in: Regenerated.
212
213 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
214
215         * configure.tgt: Add sh* case.
216         * config/sh/target.h: New file.
217         * config/sh/sjlj.S: New file.
218         * config/linux/sh/futex_bits.h: New file.
219
220 2011-12-14  Richard Henderson  <rth@redhat.com>
221
222         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
223         * config/arm/sjlj.S, config/arm/target.h: New files.
224         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
225         (cfi_rel_offset): New.
226         * config/linux/futex_bits.h: New file.
227         * config/linux/futex.cc: Include futex_bits.h here...
228         * config/linux/futex.h: ... not here.
229         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
230         * configure.ac (ARCH_AM): New conditional.
231         * Makefile.in, configure: Rebuild.
232         * configure.tgt: Handle ARM.
233
234 2011-12-13  Richard Henderson  <rth@redhat.com>
235
236         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
237         signed/unsigned comparison werror.
238
239         * local_atomic: New file.
240         * libitm_i.h: Include it.
241         (gtm_thread::shared_state): Use atomic template.
242         * beginend.cc (GTM::gtm_clock): Use atomic template.
243         (global_tid): Use atomic template if 64-bit atomics available.
244         (gtm_thread::gtm_thread): Update shared_state access.
245         (gtm_thread::trycommit): Likewise.
246         (choose_code_path): Update global_tid access.
247         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
248         * stmlock.h (GTM::gtm_clock): Use atomic template.
249         (gtm_get_clock, gtm_inc_clock): Update accesses.
250         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
251         redundant __sync_synchronize after atomic shared_state access.
252         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
253         (gtm_rwlock::write_lock_generic): Likewise.
254         (gtm_rwlock::read_unlock): Likewise.
255         * config/alpha/target.h (atomic_read_barrier): Remove.
256         (atomic_write_barrier): Remove.
257         * config/x86/target.h (atomic_read_barrier): Remove.
258         (atomic_write_barrier): Remove.
259
260 2011-11-30  Richard Henderson  <rth@redhat.com>
261
262         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
263         * beginend.c (_ITM_abortTransaction): Update to match.
264         (GTM::gtm_thread::restart): Likewise.
265         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
266         * config/x86/sjlj.S (GTM_longjmp): Likewise.
267
268 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
269
270         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
271         * Makefile.in: Regenerate.
272
273 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
274
275         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
276         * alloc_cpp.cc: Generate dummy functions if we don't
277         HAVE_ELF_STYLE_WEAKREF.
278         * eh_cpp.cc: Likewise.
279         * configure: Regenerate.
280         * aclocal.m4:  Likewise.
281         * config.h.in: Likewise.
282         * Makefile.in: Likewise.
283         * testsuite/Makefile.in: Likewise.
284
285 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
286
287         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
288         __USER_LABEL_PREFIX__ for targets that use it.
289         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
290         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
291         in portability to non-elf targets.
292         (GTM_longjmp): Likewise.
293         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
294         where required.
295
296 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
297
298         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
299         * testsuite/libitm.c/memset-1.c: Likewise.
300
301 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
302
303         * configure: Regenerate.
304
305 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
306
307         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
308         (LIBITM_ENABLE_SYMVERS): Handle sun style.
309         * Makefile.am: Handle sun style versioning.
310         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
311         * configure: Regenerate.
312         * Makefile.in: Regenerate.
313
314 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
315
316         * config/generic/asmcfi.h: Fix comment.
317         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
318         sequence without .hidden support, error for non-ELF targets.
319         (GTM_longjmp) [__ELF__]: Only use .hidden if
320         HAVE_ATTRIBUTE_VISIBILITY.
321
322 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
323
324         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
325         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
326         Dummy functions.
327         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
328         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
329
330 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
331
332         PR bootstrap/51098
333         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
334         * configure: Regenerate.
335
336 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
337
338         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
339
340 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
341
342         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
343         .hidden.
344         (.note.GNU-stack): Only use if __linux__.
345         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
346         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
347         * testsuite/libitm.c/reentrant.c: Likewise.
348         * testsuite/libitm.c/simple-2.c: Likewise.
349         * testsuite/libitm.c/txrelease.c: Likewise.
350         * testsuite/libitm.c++/static_ctor.C: Likewise.
351
352 2011-11-10  Richard Henderson  <rth@redhat.com>
353
354         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
355         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
356         * configure.ac (ARCH_X86_AVX): New conditional.
357         * Makefile.in, configure: Rebuild.
358
359 2011-11-09  Richard Henderson  <rth@redhat.com>
360
361         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
362         * configure.ac: Use it.
363         * config.h.in, configure: Rebuild.
364         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
365
366 2011-11-09  Richard Henderson  <rth@redhat.com>
367
368         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
369         * config/alpha/unaligned.h: Remove file.
370         * config/generic/unaligned.h: Remove file.
371         * config/x86/unaligned.h: Remove file.
372         * config/generic/cachepage.h: Remove file.
373         * config/posix/cachepage.cc: Remove file.
374         * config/generic/cacheline.cc: Remove file.
375         * config/x86/cacheline.cc: Remove file.
376         * config/generic/cacheline.h (gtm_cacheline): Remove the
377         store_mask, copy_mask, copy_mask_wb methods.
378         * config/x86/cacheline.h: Likewise.
379         * config/alpha/cacheline.h: Fall back to generic after setting size.
380         * config/generic/tls.cc (gtm_mask_stack): Remove.
381         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
382         (GTM_vpalignr_table): Remove.
383         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
384         (GTM_pshift_table): Remove.
385         * config/libitm_i.h: Don't include cachepage.h.
386         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
387         * Makefile.in, testsuite/Makefile.in: Rebuild.
388
389 2011-11-09  Richard Henderson  <rth@redhat.com>
390
391         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
392         to emit branch prediction hint.
393
394         * config/x86/sjlj.S: Protect elf directives with __ELF__.
395         Protect .note.GNU-stack with __linux__.
396
397         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
398         * configure, aclocal.m4, config.h.in: Rebuild.
399         * config/generic/asmcfi.h: New file.
400         * config/x86/sjlj.S: Use it.
401
402 2011-11-08  Richard Henderson  <rth@redhat.com>
403
404         * local.cc (_ITM_LB): Use a normal call, not a function alias.
405
406 2011-11-08  Richard Henderson  <rth@redhat.com>
407
408         * configure.tgt: Test correct directory for supported cpus.
409
410         * configure.ac: Exit if unsupported.
411         * configure: Rebuild.
412         * configure.tgt: Delete boilerplate from libgomp for unsupported
413         targets.  Set UNSUPPORTED for unsupported targets.
414
415 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
416
417         * configure.tgt: Handle i386 like i[456]86.
418         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
419         take address.
420         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
421         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
422
423 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
424
425         * method-wbetl.cc: Update copyright notice.
426         * aatree.cc: Same.
427         * util.cc: Same.
428         * libitm.h: Same.
429         * memset.cc: Same.
430         * eh_cpp.cc: Same.
431         * barrier.tpl: Same.
432         * useraction.cc: Same.
433         * stmlock.h: Same.
434         * memcpy.cc: Same.
435         * common.h: Same.
436         * config/generic/tls.cc: Same.
437         * config/generic/cacheline.h: Same.
438         * config/generic/cachepage.h: Same.
439         * config/generic/cacheline.cc: Same.
440         * config/generic/unaligned.h: Same.
441         * config/x86/cacheline.h: Same.
442         * config/x86/cacheline.cc: Same.
443         * config/x86/unaligned.h: Same.
444         * config/alpha/cacheline.h: Same.
445         * config/alpha/unaligned.h: Same.
446         * config/alpha/sjlj.S: Same.
447         * config/posix/cachepage.cc: Same.
448         * config/linux/futex.h: Same.
449         * config/linux/alpha/futex_bits.h: Same.
450
451 2011-11-04  Torvald Riegel  <triegel@redhat.com>
452
453         * libitm.texi: No cover text and invariant sections.
454
455 2011-11-03  Richard Henderson  <rth@redhat.com>
456
457         * local_type_traits: New file.
458         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
459
460 2011-11-03  Richard Henderson  <rth@redhat.com>
461
462         * configure.ac: Don't test for gfortran.
463         * configure: Rebuild.
464
465         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
466         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
467
468 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
469
470         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
471         * testsuite/libitm.c/memset-1.c: Same.
472         * testsuite/libitm.c/c.exp: Same.
473         * testsuite/lib/libitm-dg.exp: Same.
474         * testsuite/lib/libitm.exp: Same.
475         * testsuite/libitm.c++/c++.exp: Same.
476
477 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
478
479         * testsuite/config/default.exp: Update copyright date.
480         * configure.ac: Add copyright info.
481         * configure.tgt: Same.
482
483 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
484
485         * testsuite/libitm.c/reentrant.c: XFAIL.
486         * testsuite/libitm.c++/static_ctor.C: XFAIL.
487
488 2011-10-29  Torvald Riegel  <triegel@redhat.com>
489
490         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
491         handle aborts.
492         (_ITM_abortTransaction): Handle aborts of outer transactions.
493         * libitm_i.h: Same.
494         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
495         * libitm.texi: Document aborts of outer transactions.
496         * testsuite/libitm.c/cancel.c: New file.
497
498 2011-10-19  Torvald Riegel  <triegel@redhat.com>
499
500         * testsuite/*: Change __transaction to __transaction_atomic or
501         __transaction_relaxed.
502
503 2011-10-19  Torvald Riegel  <triegel@redhat.com>
504
505         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
506         (gtm_thr): Same.
507
508 2011-10-19  Torvald Riegel  <triegel@redhat.com>
509
510         * libitm_i.h: Add gl_wt dispatch.
511         * retry.cc (parse_default_method): Same.
512         * method-gl.cc: New file.
513         * Makefile.am: Use method-gl.cc.
514         * Makefile.in: Rebuild.
515
516 2011-10-19  Torvald Riegel  <triegel@redhat.com>
517
518         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
519         safety if requested by a TM method.
520         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
521         privatization safety.
522         * method-serial.cc: Same.
523
524 2011-10-19  Torvald Riegel  <triegel@redhat.com>
525
526         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
527         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
528         undolog-related member functions from *_local to *_undolog.
529         * local.cc (gtm_thread::commit_undolog): Same.
530         * beginend.cc (GTM::gtm_thread::trycommit): Same.
531         (GTM::gtm_thread::rollback): Roll back undolog before
532         dispatch-specific rollback.
533
534 2011-10-19  Torvald Riegel  <triegel@redhat.com>
535
536         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
537         re-initialization of the current method group.
538         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
539
540 2011-10-19  Torvald Riegel  <triegel@redhat.com>
541
542         * alloc.cc (commit_allocations_2): Do not free transaction-local
543         memory when committing a nested transaction.
544
545 2011-10-19  Torvald Riegel  <triegel@redhat.com>
546
547         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
548         serial-irrevocable dispatch, not serial.
549
550 2011-10-19  Torvald Riegel  <triegel@redhat.com>
551
552         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
553         declarations.
554         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
555         * method-serial.cc: Implement begin_or_restart().
556         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
557         dispatch-specific begin_or_restart().
558         (GTM::gtm_thread::restart): Same.
559
560 2011-08-23  Torvald Riegel  <triegel@redhat.com>
561
562         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
563         restarting without switching to serial mode.
564         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
565         transaction state. Choose closed-nesting alternative if available.
566         (GTM::gtm_thread::set_default_dispatch): New.
567         (parse_default_method): New.
568         (GTM::gtm_thread::number_of_threads_changed): New.
569         * method-serial.cc (GTM::serial_mg): New method group class.
570         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
571         fini.
572         (GTM::serial_dispatch): Same.
573         (GTM::serialirr_onwrite_dispatch): Same.
574         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
575         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
576         registered threads.
577         (GTM::gtm_thread::gtm_thread): Same.
578         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
579         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
580         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
581         choose dispatch but set state according to dispatch here.
582         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
583         (GTM::method_group): New class.
584         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
585         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
586         * libitm.texi: Document TM methods, method groups, method life cycle.
587         Rename method sets to method groups.
588
589 2011-08-23  Torvald Riegel  <triegel@redhat.com>
590
591         * config/x86/tls.h: Moved to ...
592         * config/linux/x86/tls.h: ... here.
593
594 2011-08-23  Torvald Riegel  <triegel@redhat.com>
595
596         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
597         Add X32 support.
598         * config/x86/sjlj.S: Same.
599
600 2011-08-19  Torvald Riegel  <triegel@redhat.com>
601
602         * config/linux/rwlock.h: New file.
603         * config/linux/rwlock.c: New file.
604         * configure.ac: Reenable futex support (undo SVN rev 157758).
605         * Makefile.am: Same.
606         * configure.tgt: Same.
607         * config/linux/alpha/futex_bits.h: Same.
608         * config/linux/futex.h: Same. Return number of woken processes.
609         * config/linux/futex.cc: Same.
610         (futex_wait): Remove spinning.
611         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
612         Use __x86_64__ instead of __LP64__.
613         * aclocal.m4: Include generic futex checks.
614         * configure: Rebuild.
615         * Makefile.in: Rebuild.
616         * testsuite/Makefile.in: Rebuild.
617         * beginend.cc: Include pthread.h.
618         * config/posix/cachepage.cc: Same.
619
620 2011-08-12  Torvald Riegel  <triegel@redhat.com>
621
622         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
623         (abi_disp, set_abi_disp): Move to tx's TLS slot.
624         (set_gtm_thr): New.
625         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
626         (set_gtm_thr): New.
627         (GTM::gtm_thread::thread_num): Removed.
628         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
629         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
630         tx-to-thread renaming.
631         * beginend.cc: Adapted to tx-to-thread renaming.
632         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
633         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
634         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
635         gtm_transaction to gtm_thread.
636         (_ITM_getThreadnum): Removed. Not supported anymore.
637         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
638         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
639         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
640         gtm_tx-to-gtm_thr renaming if necessary.
641         * eh_cpp.cc: Same.
642         * local.cc: Same.
643         * retry.cc: Same.
644         * clone.cc: Same.
645         * alloc.cc: Same.
646         * alloc_c.cc: Same.
647         * alloc_cpp.cc: Same.
648         * method-serial.cc: Same.
649         * config/generic/tls.cc: Same.
650         * config/posix/rwlock.h (gtm_rwlock): Same.
651         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
652
653 2011-08-12  Torvald Riegel  <triegel@redhat.com>
654
655         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
656         implementation.
657         (gtm_rwlock::read_unlock): Same.
658         (gtm_rwlock::write_lock_generic): New. Generalized from ...
659         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
660         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
661         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
662         w_upgrade. Replaced by per-transaction flags (in shared_state).
663         Added c_confirmed_writers.
664         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
665         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
666         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
667         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
668         * beginend.cc (GTM::gtm_transaction::begin_transaction,
669         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
670         * libitm.texi: Document locking conventions and implementations in
671         libitm.
672
673 2011-08-12  Torvald Riegel  <triegel@redhat.com>
674
675         * libitm_i.h (next_tx): Add list of all threads' transaction.
676         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
677         transaction with list of transactions and ...
678         (thread_exit_handler): ... deregister here.
679         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
680         * config/x86/target.h: Same.
681
682 2011-08-12  Torvald Riegel  <triegel@redhat.com>
683
684         * testsuite/libitm.c++/static_ctor.C: New file.
685
686 2011-08-12  Torvald Riegel  <triegel@redhat.com>
687
688         * testsuite/libitm.c/reentrant.c: New file.
689
690 2011-08-12  Torvald Riegel  <triegel@redhat.com>
691
692         * config/generic/tls.h: Remove the free list for transactions and ...
693         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
694         (GTM::gtm_transaction::operator delete): ... and release here.
695         (thread_exit_handler): New. Delete tx when thread terminates.
696         (thread_exit_init): New.
697         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
698         * testsuite/libitm.c/txrelease.c: New file.
699
700 2011-08-12  Torvald Riegel  <triegel@redhat.com>
701
702         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
703         * testsuite/libitm.c/notx.c: New file.
704
705 2011-08-12  Torvald Riegel  <triegel@redhat.com>
706
707         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
708         * libitm_i.h (local_tid): ... to here.
709         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
710         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
711
712 2011-08-12  Torvald Riegel  <triegel@redhat.com>
713
714         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
715         serialirr_onwrite_dispatch as new default for now.
716         * method-serial.cc (serialirr_onwrite_dispatch): New.
717         (GTM::dispatch_serialirr_onwrite): New.
718         * libitm_i.h: Same.
719
720 2011-08-12  Torvald Riegel  <triegel@redhat.com>
721
722         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
723         * query.cc (_ITM_getTransactionId): There is no active transaction if
724         the current nesting level is zero.
725
726 2011-07-28  Torvald Riegel  <triegel@redhat.com>
727
728         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
729         rollback.
730
731 2011-07-28  Torvald Riegel  <triegel@redhat.com>
732
733         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
734         transaction properties from the caller instead of from the
735         transaction object.
736         * libitm_i.h: Same.
737         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
738
739 2011-07-28  Torvald Riegel  <triegel@redhat.com>
740
741         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
742         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
743         * dispatch.h: Same.
744         * method-serial.cc: Same.
745         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
746         flat nesting as default, and closed nesting on demand.
747         (GTM::gtm_transaction::rollback): Same.
748         (_ITM_abortTransaction): Same.
749         (GTM::gtm_transaction::restart): Same.
750         (GTM::gtm_transaction::trycommit): Same.
751         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
752         (choose_code_path): New.
753         (GTM::gtm_transaction_cp::save): New.
754         (GTM::gtm_transaction_cp::commit): New.
755         * query.cc (_ITM_inTransaction): Support flat nesting.
756         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
757         (GTM::gtm_transaction): Support flat and closed nesting.
758         * alloc.cc (commit_allocations_2): New.
759         (commit_cb_data): New helper struct.
760         (GTM::gtm_transaction::commit_allocations): Handle nested
761         commits/rollbacks.
762         * libitm.texi: Update user action section, add description of nesting.
763
764 2011-07-28  Torvald Riegel  <triegel@redhat.com>
765
766         * libitm_i.h: Add closed nesting as restart reason.
767         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
768
769 2011-07-28  Torvald Riegel  <triegel@redhat.com>
770
771         * useraction.cc: Use vector instead of list to store actions.
772         Also support partial rollbacks for closed nesting.
773         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
774         * beginend.cc: Same.
775
776 2011-07-28  Torvald Riegel  <triegel@redhat.com>
777
778         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
779         closed_nesting flags, as well as a closed nesting alternative.
780         * method-serial.cc: Same.
781         (serial_dispatch): Renamed to serialirr_dispatch.
782         (GTM::dispatch_serialirr): Same.
783         (serial_dispatch_ul): Renamed to serial_dispatch.
784         (GTM::dispatch_serial): Same.
785
786 2011-07-28  Torvald Riegel  <triegel@redhat.com>
787
788         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
789
790 2011-07-28  Torvald Riegel  <triegel@redhat.com>
791
792         * aatree.h (aa_tree::remove): New.
793         (aa_tree::operator new): Add placement new.
794
795 2011-07-02  Torvald Riegel  <triegel@redhat.com>
796
797         * containers.h: New file.
798         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
799         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
800         * common.h: ... to here.
801         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
802         * local.cc: Same.
803
804 2011-06-30  Torvald Riegel  <triegel@redhat.com>
805
806         * libitm_i.h (STATE_ABORTING): Remove.
807         * beginend.cc (_ITM_abortTransaction): Same.
808         (GTM::gtm_transaction::trycommit_and_finalize): Same.
809         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
810         (_ITM_rollbackTransaction): Remove.
811         * beginend.cc: Same.
812         * libitm.map: Same.
813         * libitm.texi: Document these ABI changes.
814
815 2011-06-30  Torvald Riegel  <triegel@redhat.com>
816
817         * libitm.texi: New file.
818         * Makefile.am: Add libitm.texi.
819         * Makefile.in: Rebuild.
820
821 2011-06-30  Torvald Riegel  <triegel@redhat.com>
822
823         * libitm_i.h: Move parts to common.h and dispatch.h.
824         * common.h: New file.
825         * dispatch.h: New file, new dispatch class.
826         Rename GTM::abi_dispatch::lock_type to ls_modifier.
827         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
828         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
829         decision to retry.cc.
830         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
831         only.
832         (GTM::gtm_transaction::decide_begin_dispatch): Same.
833         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
834         logging.
835         * barrier.cc: Use new barriers definitions.
836         (abi_dispatch::memmove_overlap_check): New.
837         * config/x86/x86_sse.cc: Same.
838         * config/x86/x86_avx.cc: Same.
839         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
840         memcpy.cc.
841         * Makefile.in: Rebuild.
842         * method-readonly.cc: Remove.
843         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
844         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
845
846 2011-06-30  Torvald Riegel  <triegel@redhat.com>
847
848         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
849         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
850         * testsuite/libitm.c/dropref-2.c: Same.
851         * testsuite/libitm.c/dropref.c: Same.
852
853 2011-06-30  Torvald Riegel  <triegel@redhat.com>
854
855         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
856         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
857         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
858         * alloc_c.cc: Same.
859         * barrier.tpl: Same.
860         * beginend.c: Same.
861         * config/generic/tls.h: Same.
862         * config/x86/tls.h: Same.
863         * libitm_i.h: Same.
864         * memcpy.cc: Same.
865         * memset.cc: Same.
866         * method-readonly.cc: Same.
867         * method-serial.cc: Same.
868         * method-wbetl.cc: Same.
869         * retry.cc: Same.
870
871 2011-03-03  Richard Henderson  <rth@redhat.com>
872
873         * config/posix/rwlock.cc (write_upgrade): Add missing case.
874         From Patrik Marlier <patrick.marlier@unine.ch>.
875
876 2011-02-03  Richard Henderson  <rth@redhat.com>
877
878         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
879         * configure.ac: Use it.
880         * configure, config.h.in: Rebuild.
881         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
882         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
883         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
884         * libitm.map: Use wildcards to match size_t mangling.
885
886 2010-12-14  Richard Henderson  <rth@redhat.com>
887
888         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
889         blocks of TIDs per thread.
890         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
891         (setup_gtm_thr): Return the thread structure.
892         * config/x86/tls.h (setup_gtm_thr): Likewise.
893
894 2010-12-14  Richard Henderson  <rth@redhat.com>
895
896         * clone.cc (table_lock): Remove.
897         (find_clone): Don't take it.
898         (ExcludeTransaction): New helper class.
899         (_ITM_registerTMCloneTable): Use it.
900         (_ITM_deregisterTMCloneTable): Likewise.
901
902 2010-12-14  Richard Henderson  <rth@redhat.com>
903
904         * config/x86/tls.h: New file.
905
906 2010-07-15  Richard Henderson  <rth@redhat.com>
907
908         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
909         * Makefile.in: Rebuild.
910
911 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
912
913         * method-wbetl.cc (trydropreference): Fix source line.
914
915 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
916
917         * libitm.h: Add comment.
918         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
919
920 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
921
922         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
923         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
924         available, use pthread mutexes.
925         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
926         * config.h.in: Regenerate.
927         * configure: Regenerate.
928
929 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
930
931         * libitm.h (ITM_PURE): Define.
932         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
933
934 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
935
936         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
937         (validate): Add comment.
938         (trydropreference): New.
939         * method-readonly.cc (class readonly_dispatch): Add
940         trydropreference.
941         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
942         Call trydropreference().
943         * libitm.h (_ITM_dropReferences): Remove const attribute.
944         * method-serial.cc (class serial_dispatch): Add trydropreference.
945         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
946
947 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
948
949         * memcpy.cc (do_memcpy): Comment.
950
951 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
952
953         * barrier.tpl: Add comments throughout.
954
955 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
956
957         * method-wbetl.cc (struct w_entry): Add comments.
958         (trycommit): Same.
959         (rollback): Same.
960
961 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
962
963         * alloc_c.cc (_ITM_dropReferences): New.
964         * libitm.map (_ITM_dropReferences): Add.
965         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
966         * libitm_i.h (struct gtm_transaction): Declare
967         drop_references_allocations and drop_references_local.
968         * local.cc (rollback_local): Ignore memory when applicable.
969         (drop_references_local): New.
970
971 2010-06-23  Richard Henderson  <rth@redhat.com>
972
973         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
974         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
975         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
976         * config/alpha/target.h: Likewise.
977         * config/generic/tls.cc (gtm_mask_stack): Use it.
978
979 2010-06-23  Richard Henderson  <rth@redhat.com>
980
981         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
982         a mutex instead of trying a lock-free compare-and-swap on the list.
983         (gtm_cacheline_page::operator delete): Likewise.
984
985 2010-06-16  Richard Henderson  <rth@redhat.com>
986
987         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
988         that overlap the libitm stack.
989         * barrier.tpl: Mark incoming stack.
990         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
991         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
992         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
993         * memcpy.cc, memset.cc: Likewise.
994         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
995         * config/generic/tls.h (gtm_thread): Add stack_top member.
996         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
997         * libitm_i.h (gtm_mask_stack): Declare.
998         * config/generic/tls.cc: New file.
999         * Makefile.am (libitm_la_SOURCES): Add it.
1000         (AM_CXXFLAGS): Turn off exceptions.
1001         * Makefile.in: Rebuild.
1002
1003 2010-06-16  Richard Henderson  <rth@redhat.com>
1004
1005         * alloc.cc (struct gtm_alloc_action): Move definition ...
1006         * libitm_i.h: ... here.
1007         (class gtm_transaction): Declare new and delete.
1008         * beginend.cc (alloc_tx): Reformulate as operator new.
1009         (free_tx): Reformulate as operator delete.
1010         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1011
1012 2010-06-11  Richard Henderson  <rth@redhat.com>
1013
1014         * clone.cc (clone_entry_compare): Fix typo.
1015         From Patrik Marlier <patrick.marlier@unine.ch>.
1016
1017 2010-05-13  Richard Henderson  <rth@redhat.com>
1018
1019         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1020         in extern "C".
1021
1022 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1023
1024         * libitm_i.h (struct gtm_transaction): Remove
1025         get_allocation_size.
1026         (record_allocation): Remove size parameter.
1027         * libitm.map (_ITM_realloc): Remove.
1028         * alloc_c.cc (_ITM_realloc): Remove.
1029         (_ITM_malloc): Remove size argument to record_allocation.
1030         (_ITM_calloc): Same.
1031         * alloc_cpp.cc (_ZGTtnwm): Same.
1032         (_ZGTtnwmRKSt9nothrow_t): Same.
1033         (_ZGTtnam): Same.
1034         (_ZGTtnamRKSt9nothrow_t): Same.
1035         * alloc.cc (struct gtm_alloc_action): Remove size.
1036         (get_allocation_size): Remove.
1037         (commit_allocations): Add comment.
1038         (record_allocation): Remove size parameter.
1039         (forget_allocation): Remove set of size.
1040
1041 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1042
1043         * Makefile.am (abi_version): New.
1044         (AM_CXXFLAGS): Pass abi_version.
1045         * Makefile.in: Regenerate.
1046         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1047
1048 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1049
1050         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1051         _ITM_getTMCloneOrIrrevokable.
1052         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1053         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1054
1055 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1056
1057         * configure.ac: Remove Linux futex support.
1058         * configure.tgt (config_path): Same.
1059         * Makefile.am: Same.
1060         * config/linux: Remove entire directory.
1061         * configure: Rebuild.
1062         * Makefile.in: Rebuild.
1063         * testsuite/Makefile.in: Rebuild.
1064
1065 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1066
1067         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1068         switching to serial mode.
1069         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1070
1071 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1072
1073         * configure.tgt: Add emacs -*- tags.
1074         * barrier.tpl: Same.
1075
1076 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1077
1078         * Makefile.am: Rename serial.cc to method-serial.cc.
1079         * Makefile.in: Regenerate with automake 1.11.1.
1080         * testsuite/Makefile.in: Same.
1081         * aclocal.m4: Regenerate with aclocal 1.11.1.
1082         * method-serial.cc: Rename from serial.cc.
1083         * libitm_i.h (struct gtm_transaction): Update comment on
1084         serialirr_mode.
1085
1086 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1087
1088         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1089         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1090
1091 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1092
1093         * configure: Rebuild.
1094
1095 2009-11-12  Richard Henderson  <rth@redhat.com>
1096
1097         * Rewrite everything in C++.
1098
1099 2009-11-03  Richard Henderson  <rth@redhat.com>
1100
1101         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1102         * Makefile.am (libitm_la_SOURCES): Add them.
1103         * configure.ac (ARCH_X86): New conditional.
1104         * Makefile.in, configure: Rebuild.
1105         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1106         Move futex setup into "other system configury" case.
1107         * local.c (rollback_local): Merge into ...
1108         (GTM_rollback_local): ... here.
1109         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1110         (_ITM_LB): Define as an alias to GTM_LB.
1111
1112 2009-11-03  Richard Henderson  <rth@redhat.com>
1113
1114         * method-readonly.c: New file.
1115         * Makefile.am (libitm_la_SOURCES): Add it.
1116         * Makefile.in: Rebuild.
1117         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1118         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1119         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1120         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1121         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1122         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1123         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1124         gtm_get_clock, gtm_inc_clock): New.
1125         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1126         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1127         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1128         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1129         replace uses with new libitm_i.h symbols.
1130         (dispatch_wbetl): Rename from wbetl_dispatch.
1131         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1132         away from dispatch_readonly; abort if the beginTransaction call
1133         asserted that the transaction was readonly.
1134
1135 2009-11-03  Richard Henderson  <rth@redhat.com>
1136
1137         * memset.c: New file.
1138         * Makefile.am (libitm_la_SOURCES): Add it.
1139         * Makefile.in: Rebuild.
1140         * testsuite/libitm.c/memset-1.c: New.
1141
1142 2009-11-03  Richard Henderson  <rth@redhat.com>
1143
1144         * dispatch.c: Remove file.
1145         * useraction.c (struct gtm_user_action): Move from libitm.h.
1146         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1147         (serial_memset, serial_memmove, serial_memcpy): Remove.
1148         (serial_W*, serial_R*): Remove.
1149         (serial_dispatch): Update to match.
1150         * configure.ac: Move Werror down below configure checks.  Don't
1151         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1152         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1153         Use GCC_AC_FUNC_MMAP_BLACKLIST
1154         * libitm.h: Split out all internal items to...
1155         * libitm_i.h: ... here.  New file.
1156         * copymask.c: New file.
1157         * local.c (struct gtm_local_undo): Move from libitm.h.
1158         (GTM_alloc_local): Rename from alloc_local; export.
1159         * memcpy.c: New file.
1160         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1161         * config/posix/page.c: New file.
1162         * config/posix/target_tls.h: Remove file.
1163         * barrier.c: New file.
1164         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1165         copymask.c, page.c.
1166         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1167         * method-wbetl.c: Rewrite for new cacheline methods.
1168         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1169
1170         * config/alpha/sjlj.S: Fix typo.
1171         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1172         * config/alpha/copymask.c: New file.
1173         * config/alpha/target.h (CACHELINE_SIZE): New.
1174         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1175
1176         * config/x86/target_i.h: Copy functions from x86/target.h.
1177         * config/x86/copymask.c: New file.
1178         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1179         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1180         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1181         * config/x86/target_tls.h: Move contents to target_i.h.
1182
1183         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1184         * testsuite/libitm.c/memcpy-1.c: New.
1185
1186 2009-10-22  Richard Henderson  <rth@redhat.com>
1187
1188         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1189         (AM_CCASFLAGS): New.
1190         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1191         saving/restoring _AC_ARG_VAR_PRECIOUS.
1192         * Makefile.in, aclocal.m4, config.h.in, configure,
1193         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1194
1195 2009-10-22  Richard Henderson  <rth@redhat.com>
1196
1197         * testsuite/*: Update for new compiler syntax.
1198
1199 2009-10-21  Richard Henderson  <rth@redhat.com>
1200
1201         * libitm.h (_ITM_abortReason): Add outerAbort.
1202
1203 2009-08-03  Richard Henderson  <rth@redhat.com>
1204
1205         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1206         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1207         * method-wbetl.c (struct w_entry): Remove mask.
1208         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1209         adjust all callers.
1210
1211 2009-07-22  Richard Henderson  <rth@redhat.com>
1212
1213         * eh_cpp.c: New file.
1214         * Makefile.am (libitm_la_SOURCES): Add it.
1215         * Makefile.in: Rebuild.
1216         * beginend.c (GTM_rollback_transaction): Undo exception state.
1217         (GTM_trycommit_transaction): Mark inline.
1218         (GTM_trycommit_and_finalize_transaction): Split out from ...
1219         (_ITM_commitTransaction): ... here.
1220         (_ITM_commitTransactionEH): New function.
1221         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1222         cxa_unthrown, eh_in_flight; reorder.
1223
1224         * testsuite/libitm.c++/c++.exp: New.
1225         * testsuite/libitm.c++/eh-1.C: New.
1226
1227         * aatree.c (aa_free): Remove REGPARM.
1228         * aatree.h: Remove all REGPARM.
1229
1230 2009-07-18  Richard Henderson  <rth@redhat.com>
1231
1232         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1233         * Makefile.am (libitm_la_SOURCES): Add them.
1234         * Makefile.in: Rebuild.
1235         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1236         (GTM_trycommit_transaction): Likewise.
1237         * libitm.h: Include aatree.h
1238         (struct gtm_alloc_action): New.
1239         (struct gtm_transaction): Add alloc_actions.
1240         (GTM_record_allocation, GTM_forget_allocation): Declare.
1241         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1242         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1243         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1244         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1245         _ZGTtdaPvRKSt9nothrow_t): Export.
1246
1247 2009-07-18  Richard Henderson  <rth@redhat.com>
1248
1249         * target_tls.h: Move ...
1250         * config/posix/target_tls.h: ... here.
1251
1252 2009-07-07  Richard Henderson  <rth@redhat.com>
1253
1254         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1255
1256 2009-07-07  Richard Henderson  <rth@redhat.com>
1257
1258         * Update to GPL3.
1259
1260 2009-07-07  Richard Henderson  <rth@redhat.com>
1261
1262         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1263         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1264
1265         * configure.tgt: Don't use -ftls-model for x86 linux.
1266         * libitm.h: Include target.h after standard includes.
1267         (_gtm_thr): Rename from gtm_thr.
1268         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1269         (gtm_disp, set_gtm_disp): New.
1270         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1271         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1272         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1273
1274 2009-07-07  Richard Henderson  <rth@redhat.com>
1275
1276         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1277
1278 2009-07-06  Richard Henderson  <rth@redhat.com>
1279
1280         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1281         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1282         (_ITM_beginTransaction): Take variadic arguments.
1283         (_ITM_registerThrownObject): Declare.
1284         * beginend.c, serial.c: Update.
1285         * libitm.map: Add _ITM_registerThrownObject.
1286
1287 2009-01-28  Richard Henderson  <rth@redhat.com>
1288
1289         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1290         * Makefile.in: Rebuild.
1291         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1292         (GTM_restart_transaction): Fix uninstrumented code check.
1293         * retry.c (GTM_decide_retry_strategy): Add serial check.
1294         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1295         automatically go irrevokable when in serial mode.
1296         * clone.c: New file.
1297         * libitm.h, libitm.map: Update.
1298
1299 2009-01-27  Richard Henderson  <rth@redhat.com>
1300
1301         * Makefile.am (LTCCASCOMPILE): Define.
1302         (libitm_la_SOURCES): Add methid-wbetl.c.
1303         * testsuite/Makefile.am: New
1304         * configure.ac: Add testsuite/Makefile.
1305         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1306         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1307         (_ITM_abortTransaction): Finalize implementation method; pass
1308         transaction properties to longjmp.
1309         (GTM_restart_transaction): Split out from ...
1310         (_ITM_commitTransaction): ... here.
1311         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1312         Move to config/x86/target.h.
1313         * config/linux/alpha/futex_bits.h: New.
1314         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1315         * config/x86/target.h: Disable target types for 32-bit.
1316         * config/alpha/sjlj.S, config/alpha/target.h: New.
1317         * libitm.h (struct gtm_dispatch): Add init, fini.
1318         (enum restart_reason): New.
1319         (struct gtm_transaction): Add method and restarts.
1320         * retry.c (GTM_decide_retry_strategy): Implement.
1321         * serial.c (serial_init, serial_fini): New.
1322         (GTM_serialmode): Finialize outgoing method.
1323         * method-wbetl.c: New.
1324
1325 2008-12-09  Richard Henderson  <rth@redhat.com>
1326
1327         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1328         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1329         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1330         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1331         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1332         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1333         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1334         * serial.c (serial_R##T, serial_W##T): Likewise.
1335
1336 2008-11-21  Richard Henderson  <rth@redhat.com>
1337
1338         * Initial commit.