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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libitm/] [ChangeLog] - Blame information for rev 834

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Line No. Rev Author Line
1 737 jeremybenn 
2012-02-24  Torvald Riegel
2 
 
3 
        * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
4 
        default dispatch for more than 1 thread to ml_wt.
5 
 
6 
2012-02-20  Torvald Riegel
7 
 
8 
        * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
9 
 
10 
2012-02-20  Torvald Riegel
11 
 
12 
        * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
13 
 
14 
2012-02-20  Torvald Riegel
15 
 
16 
        * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
17 
        serial mode corner cases made obsolete by prior gtm_rwlock changes.
18 
        (gl_wt_dispatch.rollback): Same.
19 
 
20 
2012-02-20  Torvald Riegel
21 
 
22 
        * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
23 
 
24 
2012-02-20  Torvald Riegel
25 
 
26 
        * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
27 
        for RfW src.  Optimize number of calls to gtm_thr.
28 
 
29 
2012-02-20  Torvald Riegel
30 
 
31 
        * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
32 
        acquisition to ...
33 
        * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
34 
        (default_dispatch): Make atomic.
35 
        (GTM::gtm_thread::set_default_dispatch): Access atomically.
36 
        (GTM::gtm_thread::decide_retry_strategy): Access atomically and
37 
        use decide_begin_dispatch() if default_dispatch might have changed.
38 
        (GTM::gtm_thread::number_of_threads_changed): Initialize
39 
        default_dispatch here.
40 
 
41 
2012-02-15  Iain Sandoe
42 
            Patrick Marlier
43 
 
44 
        PR libitm/52220
45 
        * alloc_cpp.cc: No dummy definitions for darwin.
46 
        * eh_cpp.cc: Likewise.
47 
 
48 
2012-02-14  Richard Henderson
49 
 
50 
        * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
51 
 
52 
2012-02-14  Uros Bizjak
53 
 
54 
        * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
55 
 
56 
2012-02-14  Torvald Riegel
57 
 
58 
        * libitm_i.h (GTM::gtm_rwlog_entry): New.
59 
        (GTM::gtm_thread): Add read and write logs.
60 
        (GTM::dispatch_ml_wt): Declare.
61 
        * retry.cc (parse_default_method): Support ml_wt.
62 
        * method-ml.cc: New file.
63 
        * Makefile.am: Add method-ml.cc.
64 
        * Makefile.in: Regenerate.
65 
 
66 
2012-02-14  Torvald Riegel
67 
 
68 
        * dispatch.h (GTM::abi_dispatch::supports): New.
69 
        (GTM::method_group::reinit): New.
70 
        * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
71 
        (GTM::gtm_thread::number_of_threads_changed): Check that the method
72 
        supports the current situation.
73 
 
74 
2012-02-14  Torvald Riegel
75 
 
76 
        * util.cc (GTM::xcalloc): New.
77 
        * common.h (GTM::xcalloc): Declare.
78 
 
79 
2012-02-14  Eric Botcazou
80 
 
81 
        * config/sparc/target.h (cpu_relax): Read from CC register.
82 
        * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
83 
 
84 
2012-02-14  Uros Bizjak
85 
 
86 
        * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
87 
 
88 
2012-02-13  Eric Botcazou
89 
 
90 
        * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
91 
        * config/sparc/cacheline.h: New file.
92 
        * config/sparc/target.h: Likewise.
93 
        * config/sparc/sjlj.S: Likewise.
94 
        * config/linux/sparc/futex_bits.h: Likewise.
95 
 
96 
2012-02-13  Eric Botcazou
97 
 
98 
        * configure.ac (link_itm): Fix comment.
99 
        * configure: Regenerate.
100 
        * testsuite/lib/libitm.exp: Do not pass -litm for the link.
101 
 
102 
2012-01-31  Rainer Orth
103 
 
104 
        PR libitm/51822
105 
        * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
106 
        Correct libgomp references.
107 
 
108 
2012-01-24  Torvald Riegel
109 
 
110 
        * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
111 
        wake-up.
112 
 
113 
2012-01-24  Uros Bizjak
114 
 
115 
        * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
116 
        end of structure.
117 
        * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
118 
        offset values.  Do not copy return address.  Decrement stack
119 
        by 56 bytes only.
120 
        (GTM_longjump) [__x86_64__]: Update offset values.
121 
 
122 
2012-01-23  Uros Bizjak
123 
 
124 
        PR libitm/51830
125 
        * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
126 
        the first function argument to %eax.
127 
 
128 
2012-01-23  Rainer Orth
129 
 
130 
        * libitm.h (_ITM_getThreadnum): Remove.
131 
        * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
132 
 
133 
2012-01-23  Rainer Orth
134 
 
135 
        * clearcap.map: New file.
136 
        * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
137 
        * configure.ac: Call it.
138 
        Clear HWCAP_LDFLAGS if defaulting to -mavx.
139 
        * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
140 
        * configure: Regenerate.
141 
        * Makefile.in: Regenerate.
142 
        * testsuite/Makefile.in: Regenerate.
143 
 
144 
2012-01-17  Rainer Orth
145 
 
146 
        PR libitm/51173
147 
        * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
148 
        include, exclude options.
149 
 
150 
2012-01-14  Torvald Riegel
151 
 
152 
        * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
153 
        rolling back.
154 
        * containers.h (GTM::vector::set_size): New.
155 
 
156 
2012-01-14  Torvald Riegel
157 
 
158 
        PR libitm/51855
159 
        * config/generic/tls.h (GTM::mask_stack_top): New.
160 
        (GTM::mask_stack_bottom): Declare.
161 
        * config/generic/tls.c (GTM::mask_stack_bottom): New.
162 
        * local.cc (gtm_undolog::rollback): Filter out any updates that
163 
        overlap the libitm stack.  Add current transaction as parameter.
164 
        * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
165 
        * beginend.cc (GTM::gtm_thread::rollback): Adapt.
166 
        * testsuite/libitm.c/stackundo.c: New test.
167 
 
168 
2012-01-10  Richard Henderson
169 
 
170 
        * libitm_i.h (_Unwind_DeleteException): Declare weak.
171 
        * eh_cpp.cc (_Unwind_DeleteException): Define for
172 
        !HAVE_ELF_STYLE_WEAKREF.
173 
 
174 
2012-01-08  Torvald Riegel
175 
 
176 
        * local.cc (GTM_LB): Use GTM::gtm_undolog.
177 
        (GTM::gtm_thread::drop_references_undolog): Remove.
178 
        (GTM::gtm_thread::commit_undolog,
179 
        GTM::gtm_thread::rollback_undolog): Move to ...
180 
        * libitm_i.h (GTM::gtm_undolog): ...here. New.
181 
        (GTM::gtm_undolog_entry): Remove.
182 
        (GTM::gtm_thread): Adapt.
183 
        * beginend.cc (GTM::gtm_thread::rollback): Adapt.
184 
        (GTM::gtm_thread::trycommit): Adapt.
185 
        * method-serial.cc (serial_dispatch::log): Adapt.
186 
        * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
187 
        (gl_wt_dispatch::store): Fix likely/unlikely.
188 
        * containers.h (GTM::vector::resize): Add additional_capacity
189 
        parameter and handle it.
190 
        (GTM::vector::resize_noinline): New/adapt.
191 
        (GTM::vector::push): New.
192 
 
193 
2012-01-06  Richard Henderson
194 
 
195 
        * configure.tgt: Support powerpc-linux and powerpc-darwin.
196 
        * config/linux/powerpc/futex_bits.h: New file.
197 
        * config/powerpc/cacheline.h: New file.
198 
        * config/powerpc/sjlj.S: New file.
199 
        * config/powerpc/target.h: New file.
200 
        * config/generic/asmcfi.h (cfi_offset): New.
201 
        (cfi_restore, cfi_undefined): New.
202 
 
203 
2012-01-05  Aldy Hernandez
204 
 
205 
        PR other/51171
206 
        * testsuite/libitm.c/reentrant.c: Remove xfail.
207 
        (thread): Pass x to pure().
208 
        From Patrik Marlier .
209 
 
210 
2011-12-24  Torvald Riegel
211 
 
212 
        * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
213 
        privatization safety if already in serial mode.
214 
 
215 
2011-12-24  Torvald Riegel
216 
 
217 
        * beginend.cc (GTM::gtm_thread::restart): Add and handle
218 
        finish_serial_upgrade parameter.
219 
        * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
220 
        * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
221 
        Don't unset reader flag.
222 
        (GTM::gtm_rwlock::write_upgrade_finish): New.
223 
        * config/posix/rwlock.cc: Same.
224 
        * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
225 
        Declare.
226 
        * config/posix/rwlock.h: Same.
227 
        * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
228 
        flag after commit or after rollback when restarting.
229 
 
230 
2011-12-24  Torvald Riegel
231 
 
232 
        * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
233 
        (GTM::gtm_thread::try_commit): Changed memory order.
234 
        * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
235 
        as parameter.
236 
        * config/linux/x86/futex_bits.h (sys_futex0): Same.
237 
        * config/linux/sh/futex_bits.h (sys_futex0): Same.
238 
        * config/linux/futex_bits.h (sys_futex0): Same.
239 
        * config/linux/futex.cc (futex_wait, futex_wake): Same.
240 
        * config/linux/futex.h (futex_wait, futex_wake): Same.
241 
        * config/linux/rwlock.h (gtm_rwlock::writers,
242 
        gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
243 
        ints.
244 
        * config/linux/rwlock.cc (gtm_rwlock::read_lock,
245 
        gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
246 
        gtm_rwlock::write_unlock): Fix memory orders and fences.
247 
        * config/posix/rwlock.cc (gtm_rwlock::read_lock,
248 
        gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
249 
        gtm_rwlock::write_unlock): Same.
250 
        * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
251 
        * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
252 
        gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
253 
        Add comments.
254 
        (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
255 
        gl_wt_dispatch::load, gl_wt_dispatch::store,
256 
        gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
257 
        orders and fences.  Add comments.
258 
 
259 
2011-12-21  Jakub Jelinek
260 
 
261 
        * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
262 
        * Makefile.in: Regenerated.
263 
 
264 
2011-12-17  Kaz Kojima
265 
 
266 
        * configure.tgt: Add sh* case.
267 
        * config/sh/target.h: New file.
268 
        * config/sh/sjlj.S: New file.
269 
        * config/linux/sh/futex_bits.h: New file.
270 
 
271 
2011-12-14  Richard Henderson
272 
 
273 
        * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
274 
        * config/arm/sjlj.S, config/arm/target.h: New files.
275 
        * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
276 
        (cfi_rel_offset): New.
277 
        * config/linux/futex_bits.h: New file.
278 
        * config/linux/futex.cc: Include futex_bits.h here...
279 
        * config/linux/futex.h: ... not here.
280 
        * Makefile.am (libitm_la_SOURCES) : Add hwcap.cc.
281 
        * configure.ac (ARCH_AM): New conditional.
282 
        * Makefile.in, configure: Rebuild.
283 
        * configure.tgt: Handle ARM.
284 
 
285 
2011-12-13  Richard Henderson
286 
 
287 
        * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
288 
        signed/unsigned comparison werror.
289 
 
290 
        * local_atomic: New file.
291 
        * libitm_i.h: Include it.
292 
        (gtm_thread::shared_state): Use atomic template.
293 
        * beginend.cc (GTM::gtm_clock): Use atomic template.
294 
        (global_tid): Use atomic template if 64-bit atomics available.
295 
        (gtm_thread::gtm_thread): Update shared_state access.
296 
        (gtm_thread::trycommit): Likewise.
297 
        (choose_code_path): Update global_tid access.
298 
        * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
299 
        * stmlock.h (GTM::gtm_clock): Use atomic template.
300 
        (gtm_get_clock, gtm_inc_clock): Update accesses.
301 
        * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
302 
        redundant __sync_synchronize after atomic shared_state access.
303 
        * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
304 
        (gtm_rwlock::write_lock_generic): Likewise.
305 
        (gtm_rwlock::read_unlock): Likewise.
306 
        * config/alpha/target.h (atomic_read_barrier): Remove.
307 
        (atomic_write_barrier): Remove.
308 
        * config/x86/target.h (atomic_read_barrier): Remove.
309 
        (atomic_write_barrier): Remove.
310 
 
311 
2011-11-30  Richard Henderson
312 
 
313 
        * libitm_i.h (GTM_longjmp): Swap first and second arguments.
314 
        * beginend.c (_ITM_abortTransaction): Update to match.
315 
        (GTM::gtm_thread::restart): Likewise.
316 
        * config/alpha/sjlj.S (GTM_longjmp): Likewise.
317 
        * config/x86/sjlj.S (GTM_longjmp): Likewise.
318 
 
319 
2011-11-23  Iain Sandoe
320 
 
321 
        * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
322 
        * Makefile.in: Regenerate.
323 
 
324 
2011-11-22  Iain Sandoe
325 
 
326 
        * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
327 
        * alloc_cpp.cc: Generate dummy functions if we don't
328 
        HAVE_ELF_STYLE_WEAKREF.
329 
        * eh_cpp.cc: Likewise.
330 
        * configure: Regenerate.
331 
        * aclocal.m4:  Likewise.
332 
        * config.h.in: Likewise.
333 
        * Makefile.in: Likewise.
334 
        * testsuite/Makefile.in: Likewise.
335 
 
336 
2011-11-22  Iain Sandoe
337 
 
338 
        * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
339 
        __USER_LABEL_PREFIX__ for targets that use it.
340 
        (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
341 
        (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
342 
        in portability to non-elf targets.
343 
        (GTM_longjmp): Likewise.
344 
        * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
345 
        where required.
346 
 
347 
2011-11-22  Iain Sandoe
348 
 
349 
        * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
350 
        * testsuite/libitm.c/memset-1.c: Likewise.
351 
 
352 
2011-11-21  Andreas Tobler
353 
 
354 
        * configure: Regenerate.
355 
 
356 
2011-11-21  Rainer Orth
357 
 
358 
        * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
359 
        (LIBITM_ENABLE_SYMVERS): Handle sun style.
360 
        * Makefile.am: Handle sun style versioning.
361 
        (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
362 
        * configure: Regenerate.
363 
        * Makefile.in: Regenerate.
364 
 
365 
2011-11-18  Rainer Orth
366 
 
367 
        * config/generic/asmcfi.h: Fix comment.
368 
        * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
369 
        sequence without .hidden support, error for non-ELF targets.
370 
        (GTM_longjmp) [__ELF__]: Only use .hidden if
371 
        HAVE_ATTRIBUTE_VISIBILITY.
372 
 
373 
2011-11-17  Rainer Orth
374 
 
375 
        * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
376 
        _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
377 
        Dummy functions.
378 
        * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
379 
        __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
380 
 
381 
2011-11-16  Uros Bizjak
382 
 
383 
        PR bootstrap/51098
384 
        * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
385 
        * configure: Regenerate.
386 
 
387 
2011-11-14  H.J. Lu
388 
 
389 
        * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
390 
 
391 
2011-11-10  Rainer Orth
392 
 
393 
        * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
394 
        .hidden.
395 
        (.note.GNU-stack): Only use if __linux__.
396 
        * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
397 
        * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
398 
        * testsuite/libitm.c/reentrant.c: Likewise.
399 
        * testsuite/libitm.c/simple-2.c: Likewise.
400 
        * testsuite/libitm.c/txrelease.c: Likewise.
401 
        * testsuite/libitm.c++/static_ctor.C: Likewise.
402 
 
403 
2011-11-10  Richard Henderson
404 
 
405 
        * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
406 
        * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
407 
        * configure.ac (ARCH_X86_AVX): New conditional.
408 
        * Makefile.in, configure: Rebuild.
409 
 
410 
2011-11-09  Richard Henderson
411 
 
412 
        * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
413 
        * configure.ac: Use it.
414 
        * config.h.in, configure: Rebuild.
415 
        * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
416 
 
417 
2011-11-09  Richard Henderson
418 
 
419 
        * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
420 
        * config/alpha/unaligned.h: Remove file.
421 
        * config/generic/unaligned.h: Remove file.
422 
        * config/x86/unaligned.h: Remove file.
423 
        * config/generic/cachepage.h: Remove file.
424 
        * config/posix/cachepage.cc: Remove file.
425 
        * config/generic/cacheline.cc: Remove file.
426 
        * config/x86/cacheline.cc: Remove file.
427 
        * config/generic/cacheline.h (gtm_cacheline): Remove the
428 
        store_mask, copy_mask, copy_mask_wb methods.
429 
        * config/x86/cacheline.h: Likewise.
430 
        * config/alpha/cacheline.h: Fall back to generic after setting size.
431 
        * config/generic/tls.cc (gtm_mask_stack): Remove.
432 
        * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
433 
        (GTM_vpalignr_table): Remove.
434 
        * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
435 
        (GTM_pshift_table): Remove.
436 
        * config/libitm_i.h: Don't include cachepage.h.
437 
        * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
438 
        * Makefile.in, testsuite/Makefile.in: Rebuild.
439 
 
440 
2011-11-09  Richard Henderson
441 
 
442 
        * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
443 
        to emit branch prediction hint.
444 
 
445 
        * config/x86/sjlj.S: Protect elf directives with __ELF__.
446 
        Protect .note.GNU-stack with __linux__.
447 
 
448 
        * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
449 
        * configure, aclocal.m4, config.h.in: Rebuild.
450 
        * config/generic/asmcfi.h: New file.
451 
        * config/x86/sjlj.S: Use it.
452 
 
453 
2011-11-08  Richard Henderson
454 
 
455 
        * local.cc (_ITM_LB): Use a normal call, not a function alias.
456 
 
457 
2011-11-08  Richard Henderson
458 
 
459 
        * configure.tgt: Test correct directory for supported cpus.
460 
 
461 
        * configure.ac: Exit if unsupported.
462 
        * configure: Rebuild.
463 
        * configure.tgt: Delete boilerplate from libgomp for unsupported
464 
        targets.  Set UNSUPPORTED for unsupported targets.
465 
 
466 
2011-11-08  Rainer Orth
467 
 
468 
        * configure.tgt: Handle i386 like i[456]86.
469 
        * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
470 
        take address.
471 
        * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
472 
        !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
473 
 
474 
2011-11-05  Aldy Hernandez
475 
 
476 
        * method-wbetl.cc: Update copyright notice.
477 
        * aatree.cc: Same.
478 
        * util.cc: Same.
479 
        * libitm.h: Same.
480 
        * memset.cc: Same.
481 
        * eh_cpp.cc: Same.
482 
        * barrier.tpl: Same.
483 
        * useraction.cc: Same.
484 
        * stmlock.h: Same.
485 
        * memcpy.cc: Same.
486 
        * common.h: Same.
487 
        * config/generic/tls.cc: Same.
488 
        * config/generic/cacheline.h: Same.
489 
        * config/generic/cachepage.h: Same.
490 
        * config/generic/cacheline.cc: Same.
491 
        * config/generic/unaligned.h: Same.
492 
        * config/x86/cacheline.h: Same.
493 
        * config/x86/cacheline.cc: Same.
494 
        * config/x86/unaligned.h: Same.
495 
        * config/alpha/cacheline.h: Same.
496 
        * config/alpha/unaligned.h: Same.
497 
        * config/alpha/sjlj.S: Same.
498 
        * config/posix/cachepage.cc: Same.
499 
        * config/linux/futex.h: Same.
500 
        * config/linux/alpha/futex_bits.h: Same.
501 
 
502 
2011-11-04  Torvald Riegel
503 
 
504 
        * libitm.texi: No cover text and invariant sections.
505 
 
506 
2011-11-03  Richard Henderson
507 
 
508 
        * local_type_traits: New file.
509 
        * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
510 
 
511 
2011-11-03  Richard Henderson
512 
 
513 
        * configure.ac: Don't test for gfortran.
514 
        * configure: Rebuild.
515 
 
516 
        * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
517 
        * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
518 
 
519 
2011-11-03  Aldy Hernandez
520 
 
521 
        * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
522 
        * testsuite/libitm.c/memset-1.c: Same.
523 
        * testsuite/libitm.c/c.exp: Same.
524 
        * testsuite/lib/libitm-dg.exp: Same.
525 
        * testsuite/lib/libitm.exp: Same.
526 
        * testsuite/libitm.c++/c++.exp: Same.
527 
 
528 
2011-11-03  Aldy Hernandez
529 
 
530 
        * testsuite/config/default.exp: Update copyright date.
531 
        * configure.ac: Add copyright info.
532 
        * configure.tgt: Same.
533 
 
534 
2011-11-03  Aldy Hernandez
535 
 
536 
        * testsuite/libitm.c/reentrant.c: XFAIL.
537 
        * testsuite/libitm.c++/static_ctor.C: XFAIL.
538 
 
539 
2011-10-29  Torvald Riegel
540 
 
541 
        * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
542 
        handle aborts.
543 
        (_ITM_abortTransaction): Handle aborts of outer transactions.
544 
        * libitm_i.h: Same.
545 
        * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
546 
        * libitm.texi: Document aborts of outer transactions.
547 
        * testsuite/libitm.c/cancel.c: New file.
548 
 
549 
2011-10-19  Torvald Riegel
550 
 
551 
        * testsuite/*: Change __transaction to __transaction_atomic or
552 
        __transaction_relaxed.
553 
 
554 
2011-10-19  Torvald Riegel
555 
 
556 
        * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
557 
        (gtm_thr): Same.
558 
 
559 
2011-10-19  Torvald Riegel
560 
 
561 
        * libitm_i.h: Add gl_wt dispatch.
562 
        * retry.cc (parse_default_method): Same.
563 
        * method-gl.cc: New file.
564 
        * Makefile.am: Use method-gl.cc.
565 
        * Makefile.in: Rebuild.
566 
 
567 
2011-10-19  Torvald Riegel
568 
 
569 
        * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
570 
        safety if requested by a TM method.
571 
        * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
572 
        privatization safety.
573 
        * method-serial.cc: Same.
574 
 
575 
2011-10-19  Torvald Riegel
576 
 
577 
        * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
578 
        (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
579 
        undolog-related member functions from *_local to *_undolog.
580 
        * local.cc (gtm_thread::commit_undolog): Same.
581 
        * beginend.cc (GTM::gtm_thread::trycommit): Same.
582 
        (GTM::gtm_thread::rollback): Roll back undolog before
583 
        dispatch-specific rollback.
584 
 
585 
2011-10-19  Torvald Riegel
586 
 
587 
        * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
588 
        re-initialization of the current method group.
589 
        * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
590 
 
591 
2011-10-19  Torvald Riegel
592 
 
593 
        * alloc.cc (commit_allocations_2): Do not free transaction-local
594 
        memory when committing a nested transaction.
595 
 
596 
2011-10-19  Torvald Riegel
597 
 
598 
        * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
599 
        serial-irrevocable dispatch, not serial.
600 
 
601 
2011-10-19  Torvald Riegel
602 
 
603 
        * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
604 
        declarations.
605 
        * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
606 
        * method-serial.cc: Implement begin_or_restart().
607 
        * beginend.cc (GTM::gtm_thread::begin_transaction): Call
608 
        dispatch-specific begin_or_restart().
609 
        (GTM::gtm_thread::restart): Same.
610 
 
611 
2011-08-23  Torvald Riegel
612 
 
613 
        * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
614 
        restarting without switching to serial mode.
615 
        (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
616 
        transaction state. Choose closed-nesting alternative if available.
617 
        (GTM::gtm_thread::set_default_dispatch): New.
618 
        (parse_default_method): New.
619 
        (GTM::gtm_thread::number_of_threads_changed): New.
620 
        * method-serial.cc (GTM::serial_mg): New method group class.
621 
        (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
622 
        fini.
623 
        (GTM::serial_dispatch): Same.
624 
        (GTM::serialirr_onwrite_dispatch): Same.
625 
        (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
626 
        * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
627 
        registered threads.
628 
        (GTM::gtm_thread::gtm_thread): Same.
629 
        (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
630 
        (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
631 
        (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
632 
        choose dispatch but set state according to dispatch here.
633 
        * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
634 
        (GTM::method_group): New class.
635 
        (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
636 
        * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
637 
        * libitm.texi: Document TM methods, method groups, method life cycle.
638 
        Rename method sets to method groups.
639 
 
640 
2011-08-23  Torvald Riegel
641 
 
642 
        * config/x86/tls.h: Moved to ...
643 
        * config/linux/x86/tls.h: ... here.
644 
 
645 
2011-08-23  Torvald Riegel
646 
 
647 
        * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
648 
        Add X32 support.
649 
        * config/x86/sjlj.S: Same.
650 
 
651 
2011-08-19  Torvald Riegel
652 
 
653 
        * config/linux/rwlock.h: New file.
654 
        * config/linux/rwlock.c: New file.
655 
        * configure.ac: Reenable futex support (undo SVN rev 157758).
656 
        * Makefile.am: Same.
657 
        * configure.tgt: Same.
658 
        * config/linux/alpha/futex_bits.h: Same.
659 
        * config/linux/futex.h: Same. Return number of woken processes.
660 
        * config/linux/futex.cc: Same.
661 
        (futex_wait): Remove spinning.
662 
        * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
663 
        Use __x86_64__ instead of __LP64__.
664 
        * aclocal.m4: Include generic futex checks.
665 
        * configure: Rebuild.
666 
        * Makefile.in: Rebuild.
667 
        * testsuite/Makefile.in: Rebuild.
668 
        * beginend.cc: Include pthread.h.
669 
        * config/posix/cachepage.cc: Same.
670 
 
671 
2011-08-12  Torvald Riegel
672 
 
673 
        * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
674 
        (abi_disp, set_abi_disp): Move to tx's TLS slot.
675 
        (set_gtm_thr): New.
676 
        * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
677 
        (set_gtm_thr): New.
678 
        (GTM::gtm_thread::thread_num): Removed.
679 
        (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
680 
        * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
681 
        tx-to-thread renaming.
682 
        * beginend.cc: Adapted to tx-to-thread renaming.
683 
        (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
684 
        (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
685 
        * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
686 
        gtm_transaction to gtm_thread.
687 
        (_ITM_getThreadnum): Removed. Not supported anymore.
688 
        * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
689 
        * libitm.texi: Documented that _ITM_getThreadnum is not supported.
690 
        * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
691 
        gtm_tx-to-gtm_thr renaming if necessary.
692 
        * eh_cpp.cc: Same.
693 
        * local.cc: Same.
694 
        * retry.cc: Same.
695 
        * clone.cc: Same.
696 
        * alloc.cc: Same.
697 
        * alloc_c.cc: Same.
698 
        * alloc_cpp.cc: Same.
699 
        * method-serial.cc: Same.
700 
        * config/generic/tls.cc: Same.
701 
        * config/posix/rwlock.h (gtm_rwlock): Same.
702 
        * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
703 
 
704 
2011-08-12  Torvald Riegel
705 
 
706 
        * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
707 
        implementation.
708 
        (gtm_rwlock::read_unlock): Same.
709 
        (gtm_rwlock::write_lock_generic): New. Generalized from ...
710 
        (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
711 
        * libitm_i.h (GTM::gtm_transaction): Added shared_state.
712 
        * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
713 
        w_upgrade. Replaced by per-transaction flags (in shared_state).
714 
        Added c_confirmed_writers.
715 
        (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
716 
        GTM::gtm_rwlock::write_upgrade): Add tx parameter.
717 
        * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
718 
        * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
719 
        * beginend.cc (GTM::gtm_transaction::begin_transaction,
720 
        _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
721 
        * libitm.texi: Document locking conventions and implementations in
722 
        libitm.
723 
 
724 
2011-08-12  Torvald Riegel
725 
 
726 
        * libitm_i.h (next_tx): Add list of all threads' transaction.
727 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
728 
        transaction with list of transactions and ...
729 
        (thread_exit_handler): ... deregister here.
730 
        * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
731 
        * config/x86/target.h: Same.
732 
 
733 
2011-08-12  Torvald Riegel
734 
 
735 
        * testsuite/libitm.c++/static_ctor.C: New file.
736 
 
737 
2011-08-12  Torvald Riegel
738 
 
739 
        * testsuite/libitm.c/reentrant.c: New file.
740 
 
741 
2011-08-12  Torvald Riegel
742 
 
743 
        * config/generic/tls.h: Remove the free list for transactions and ...
744 
        * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
745 
        (GTM::gtm_transaction::operator delete): ... and release here.
746 
        (thread_exit_handler): New. Delete tx when thread terminates.
747 
        (thread_exit_init): New.
748 
        (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
749 
        * testsuite/libitm.c/txrelease.c: New file.
750 
 
751 
2011-08-12  Torvald Riegel
752 
 
753 
        * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
754 
        * testsuite/libitm.c/notx.c: New file.
755 
 
756 
2011-08-12  Torvald Riegel
757 
 
758 
        * config/generic/tls.h (gtm_thread): Move local_tid from here ...
759 
        * libitm_i.h (local_tid): ... to here.
760 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
761 
        (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
762 
 
763 
2011-08-12  Torvald Riegel
764 
 
765 
        * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
766 
        serialirr_onwrite_dispatch as new default for now.
767 
        * method-serial.cc (serialirr_onwrite_dispatch): New.
768 
        (GTM::dispatch_serialirr_onwrite): New.
769 
        * libitm_i.h: Same.
770 
 
771 
2011-08-12  Torvald Riegel
772 
 
773 
        * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
774 
        * query.cc (_ITM_getTransactionId): There is no active transaction if
775 
        the current nesting level is zero.
776 
 
777 
2011-07-28  Torvald Riegel
778 
 
779 
        * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
780 
        rollback.
781 
 
782 
2011-07-28  Torvald Riegel
783 
 
784 
        * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
785 
        transaction properties from the caller instead of from the
786 
        transaction object.
787 
        * libitm_i.h: Same.
788 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
789 
 
790 
2011-07-28  Torvald Riegel
791 
 
792 
        * local.cc (gtm_transaction::rollback_local): Support closed nesting.
793 
        * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
794 
        * dispatch.h: Same.
795 
        * method-serial.cc: Same.
796 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
797 
        flat nesting as default, and closed nesting on demand.
798 
        (GTM::gtm_transaction::rollback): Same.
799 
        (_ITM_abortTransaction): Same.
800 
        (GTM::gtm_transaction::restart): Same.
801 
        (GTM::gtm_transaction::trycommit): Same.
802 
        (GTM::gtm_transaction::trycommit_and_finalize): Removed.
803 
        (choose_code_path): New.
804 
        (GTM::gtm_transaction_cp::save): New.
805 
        (GTM::gtm_transaction_cp::commit): New.
806 
        * query.cc (_ITM_inTransaction): Support flat nesting.
807 
        * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
808 
        (GTM::gtm_transaction): Support flat and closed nesting.
809 
        * alloc.cc (commit_allocations_2): New.
810 
        (commit_cb_data): New helper struct.
811 
        (GTM::gtm_transaction::commit_allocations): Handle nested
812 
        commits/rollbacks.
813 
        * libitm.texi: Update user action section, add description of nesting.
814 
 
815 
2011-07-28  Torvald Riegel
816 
 
817 
        * libitm_i.h: Add closed nesting as restart reason.
818 
        * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
819 
 
820 
2011-07-28  Torvald Riegel
821 
 
822 
        * useraction.cc: Use vector instead of list to store actions.
823 
        Also support partial rollbacks for closed nesting.
824 
        * libitm_i.h (GTM::gtm_transaction::user_action): Same.
825 
        * beginend.cc: Same.
826 
 
827 
2011-07-28  Torvald Riegel
828 
 
829 
        * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
830 
        closed_nesting flags, as well as a closed nesting alternative.
831 
        * method-serial.cc: Same.
832 
        (serial_dispatch): Renamed to serialirr_dispatch.
833 
        (GTM::dispatch_serialirr): Same.
834 
        (serial_dispatch_ul): Renamed to serial_dispatch.
835 
        (GTM::dispatch_serial): Same.
836 
 
837 
2011-07-28  Torvald Riegel
838 
 
839 
        * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
840 
 
841 
2011-07-28  Torvald Riegel
842 
 
843 
        * aatree.h (aa_tree::remove): New.
844 
        (aa_tree::operator new): Add placement new.
845 
 
846 
2011-07-02  Torvald Riegel
847 
 
848 
        * containers.h: New file.
849 
        * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
850 
        * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
851 
        * common.h: ... to here.
852 
        (local_undo): Use GTM::vector for gtm_transaction::local_undo.
853 
        * local.cc: Same.
854 
 
855 
2011-06-30  Torvald Riegel
856 
 
857 
        * libitm_i.h (STATE_ABORTING): Remove.
858 
        * beginend.cc (_ITM_abortTransaction): Same.
859 
        (GTM::gtm_transaction::trycommit_and_finalize): Same.
860 
        * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
861 
        (_ITM_rollbackTransaction): Remove.
862 
        * beginend.cc: Same.
863 
        * libitm.map: Same.
864 
        * libitm.texi: Document these ABI changes.
865 
 
866 
2011-06-30  Torvald Riegel
867 
 
868 
        * libitm.texi: New file.
869 
        * Makefile.am: Add libitm.texi.
870 
        * Makefile.in: Rebuild.
871 
 
872 
2011-06-30  Torvald Riegel
873 
 
874 
        * libitm_i.h: Move parts to common.h and dispatch.h.
875 
        * common.h: New file.
876 
        * dispatch.h: New file, new dispatch class.
877 
        Rename GTM::abi_dispatch::lock_type to ls_modifier.
878 
        RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
879 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
880 
        decision to retry.cc.
881 
        * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
882 
        only.
883 
        (GTM::gtm_transaction::decide_begin_dispatch): Same.
884 
        * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
885 
        logging.
886 
        * barrier.cc: Use new barriers definitions.
887 
        (abi_dispatch::memmove_overlap_check): New.
888 
        * config/x86/x86_sse.cc: Same.
889 
        * config/x86/x86_avx.cc: Same.
890 
        * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
891 
        memcpy.cc.
892 
        * Makefile.in: Rebuild.
893 
        * method-readonly.cc: Remove.
894 
        * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
895 
        Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
896 
 
897 
2011-06-30  Torvald Riegel
898 
 
899 
        * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
900 
        * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
901 
        * testsuite/libitm.c/dropref-2.c: Same.
902 
        * testsuite/libitm.c/dropref.c: Same.
903 
 
904 
2011-06-30  Torvald Riegel
905 
 
906 
        * config/generic/tls.h (gtm_disp): Rename to abi_disp.
907 
        * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
908 
        * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
909 
        * alloc_c.cc: Same.
910 
        * barrier.tpl: Same.
911 
        * beginend.c: Same.
912 
        * config/generic/tls.h: Same.
913 
        * config/x86/tls.h: Same.
914 
        * libitm_i.h: Same.
915 
        * memcpy.cc: Same.
916 
        * memset.cc: Same.
917 
        * method-readonly.cc: Same.
918 
        * method-serial.cc: Same.
919 
        * method-wbetl.cc: Same.
920 
        * retry.cc: Same.
921 
 
922 
2011-03-03  Richard Henderson
923 
 
924 
        * config/posix/rwlock.cc (write_upgrade): Add missing case.
925 
        From Patrik Marlier .
926 
 
927 
2011-02-03  Richard Henderson
928 
 
929 
        * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
930 
        * configure.ac: Use it.
931 
        * configure, config.h.in: Rebuild.
932 
        * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
933 
        (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
934 
        _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
935 
        * libitm.map: Use wildcards to match size_t mangling.
936 
 
937 
2010-12-14  Richard Henderson
938 
 
939 
        * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
940 
        blocks of TIDs per thread.
941 
        * config/generic/tls.h (struct gtm_thread): Add local_tid member.
942 
        (setup_gtm_thr): Return the thread structure.
943 
        * config/x86/tls.h (setup_gtm_thr): Likewise.
944 
 
945 
2010-12-14  Richard Henderson
946 
 
947 
        * clone.cc (table_lock): Remove.
948 
        (find_clone): Don't take it.
949 
        (ExcludeTransaction): New helper class.
950 
        (_ITM_registerTMCloneTable): Use it.
951 
        (_ITM_deregisterTMCloneTable): Likewise.
952 
 
953 
2010-12-14  Richard Henderson
954 
 
955 
        * config/x86/tls.h: New file.
956 
 
957 
2010-07-15  Richard Henderson
958 
 
959 
        * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
960 
        * Makefile.in: Rebuild.
961 
 
962 
2010-07-13  Aldy Hernandez
963 
 
964 
        * method-wbetl.cc (trydropreference): Fix source line.
965 
 
966 
2010-07-13  Aldy Hernandez
967 
 
968 
        * libitm.h: Add comment.
969 
        * libitm_i.h (begin_transaction): Add ITM_REGPARM.
970 
 
971 
2010-07-07  Aldy Hernandez
972 
 
973 
        * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
974 
        * beginend.cc (begin_transaction): If 64-bit sync builtins are not
975 
        available, use pthread mutexes.
976 
        * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
977 
        * config.h.in: Regenerate.
978 
        * configure: Regenerate.
979 
 
980 
2010-07-06  Aldy Hernandez
981 
 
982 
        * libitm.h (ITM_PURE): Define.
983 
        Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
984 
 
985 
2010-06-28  Aldy Hernandez
986 
 
987 
        * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
988 
        (validate): Add comment.
989 
        (trydropreference): New.
990 
        * method-readonly.cc (class readonly_dispatch): Add
991 
        trydropreference.
992 
        * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
993 
        Call trydropreference().
994 
        * libitm.h (_ITM_dropReferences): Remove const attribute.
995 
        * method-serial.cc (class serial_dispatch): Add trydropreference.
996 
        * libitm_i.h (struct gtm_dispatch): Add trydropreference.
997 
 
998 
2010-06-28  Aldy Hernandez
999 
 
1000 
        * memcpy.cc (do_memcpy): Comment.
1001 
 
1002 
2010-06-25  Aldy Hernandez
1003 
 
1004 
        * barrier.tpl: Add comments throughout.
1005 
 
1006 
2010-06-24  Aldy Hernandez
1007 
 
1008 
        * method-wbetl.cc (struct w_entry): Add comments.
1009 
        (trycommit): Same.
1010 
        (rollback): Same.
1011 
 
1012 
2010-06-24  Aldy Hernandez
1013 
 
1014 
        * alloc_c.cc (_ITM_dropReferences): New.
1015 
        * libitm.map (_ITM_dropReferences): Add.
1016 
        * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1017 
        * libitm_i.h (struct gtm_transaction): Declare
1018 
        drop_references_allocations and drop_references_local.
1019 
        * local.cc (rollback_local): Ignore memory when applicable.
1020 
        (drop_references_local): New.
1021 
 
1022 
2010-06-23  Richard Henderson
1023 
 
1024 
        * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1025 
        memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1026 
        * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1027 
        * config/alpha/target.h: Likewise.
1028 
        * config/generic/tls.cc (gtm_mask_stack): Use it.
1029 
 
1030 
2010-06-23  Richard Henderson
1031 
 
1032 
        * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1033 
        a mutex instead of trying a lock-free compare-and-swap on the list.
1034 
        (gtm_cacheline_page::operator delete): Likewise.
1035 
 
1036 
2010-06-16  Richard Henderson
1037 
 
1038 
        * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1039 
        that overlap the libitm stack.
1040 
        * barrier.tpl: Mark incoming stack.
1041 
        * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1042 
        _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1043 
        * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1044 
        * memcpy.cc, memset.cc: Likewise.
1045 
        * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1046 
        * config/generic/tls.h (gtm_thread): Add stack_top member.
1047 
        (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1048 
        * libitm_i.h (gtm_mask_stack): Declare.
1049 
        * config/generic/tls.cc: New file.
1050 
        * Makefile.am (libitm_la_SOURCES): Add it.
1051 
        (AM_CXXFLAGS): Turn off exceptions.
1052 
        * Makefile.in: Rebuild.
1053 
 
1054 
2010-06-16  Richard Henderson
1055 
 
1056 
        * alloc.cc (struct gtm_alloc_action): Move definition ...
1057 
        * libitm_i.h: ... here.
1058 
        (class gtm_transaction): Declare new and delete.
1059 
        * beginend.cc (alloc_tx): Reformulate as operator new.
1060 
        (free_tx): Reformulate as operator delete.
1061 
        * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1062 
 
1063 
2010-06-11  Richard Henderson
1064 
 
1065 
        * clone.cc (clone_entry_compare): Fix typo.
1066 
        From Patrik Marlier .
1067 
 
1068 
2010-05-13  Richard Henderson
1069 
 
1070 
        * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1071 
        in extern "C".
1072 
 
1073 
2010-05-07  Aldy Hernandez
1074 
 
1075 
        * libitm_i.h (struct gtm_transaction): Remove
1076 
        get_allocation_size.
1077 
        (record_allocation): Remove size parameter.
1078 
        * libitm.map (_ITM_realloc): Remove.
1079 
        * alloc_c.cc (_ITM_realloc): Remove.
1080 
        (_ITM_malloc): Remove size argument to record_allocation.
1081 
        (_ITM_calloc): Same.
1082 
        * alloc_cpp.cc (_ZGTtnwm): Same.
1083 
        (_ZGTtnwmRKSt9nothrow_t): Same.
1084 
        (_ZGTtnam): Same.
1085 
        (_ZGTtnamRKSt9nothrow_t): Same.
1086 
        * alloc.cc (struct gtm_alloc_action): Remove size.
1087 
        (get_allocation_size): Remove.
1088 
        (commit_allocations): Add comment.
1089 
        (record_allocation): Remove size parameter.
1090 
        (forget_allocation): Remove set of size.
1091 
 
1092 
2010-04-19  Aldy Hernandez
1093 
 
1094 
        * Makefile.am (abi_version): New.
1095 
        (AM_CXXFLAGS): Pass abi_version.
1096 
        * Makefile.in: Regenerate.
1097 
        * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1098 
 
1099 
2010-04-06  Aldy Hernandez
1100 
 
1101 
        * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1102 
        _ITM_getTMCloneOrIrrevokable.
1103 
        * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1104 
        * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1105 
 
1106 
2010-03-26  Aldy Hernandez
1107 
 
1108 
        * configure.ac: Remove Linux futex support.
1109 
        * configure.tgt (config_path): Same.
1110 
        * Makefile.am: Same.
1111 
        * config/linux: Remove entire directory.
1112 
        * configure: Rebuild.
1113 
        * Makefile.in: Rebuild.
1114 
        * testsuite/Makefile.in: Rebuild.
1115 
 
1116 
2010-03-09  Aldy Hernandez
1117 
 
1118 
        * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1119 
        switching to serial mode.
1120 
        * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1121 
 
1122 
2010-03-03  Aldy Hernandez
1123 
 
1124 
        * configure.tgt: Add emacs -*- tags.
1125 
        * barrier.tpl: Same.
1126 
 
1127 
2010-02-23  Aldy Hernandez
1128 
 
1129 
        * Makefile.am: Rename serial.cc to method-serial.cc.
1130 
        * Makefile.in: Regenerate with automake 1.11.1.
1131 
        * testsuite/Makefile.in: Same.
1132 
        * aclocal.m4: Regenerate with aclocal 1.11.1.
1133 
        * method-serial.cc: Rename from serial.cc.
1134 
        * libitm_i.h (struct gtm_transaction): Update comment on
1135 
        serialirr_mode.
1136 
 
1137 
2010-02-22  Aldy Hernandez
1138 
 
1139 
        * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1140 
        * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1141 
 
1142 
2010-02-11  Aldy Hernandez
1143 
 
1144 
        * configure: Rebuild.
1145 
 
1146 
2009-11-12  Richard Henderson
1147 
 
1148 
        * Rewrite everything in C++.
1149 
 
1150 
2009-11-03  Richard Henderson
1151 
 
1152 
        * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1153 
        * Makefile.am (libitm_la_SOURCES): Add them.
1154 
        * configure.ac (ARCH_X86): New conditional.
1155 
        * Makefile.in, configure: Rebuild.
1156 
        * configure.tgt: Set up ARCH; do cflags setup at the same time.
1157 
        Move futex setup into "other system configury" case.
1158 
        * local.c (rollback_local): Merge into ...
1159 
        (GTM_rollback_local): ... here.
1160 
        (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1161 
        (_ITM_LB): Define as an alias to GTM_LB.
1162 
 
1163 
2009-11-03  Richard Henderson
1164 
 
1165 
        * method-readonly.c: New file.
1166 
        * Makefile.am (libitm_la_SOURCES): Add it.
1167 
        * Makefile.in: Rebuild.
1168 
        * beginend.c (gtm_stmlock_array, gtm_clock): New.
1169 
        (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1170 
        * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1171 
        (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1172 
        gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1173 
        gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1174 
        gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1175 
        gtm_get_clock, gtm_inc_clock): New.
1176 
        * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1177 
        LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1178 
        LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1179 
        locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1180 
        replace uses with new libitm_i.h symbols.
1181 
        (dispatch_wbetl): Rename from wbetl_dispatch.
1182 
        * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1183 
        away from dispatch_readonly; abort if the beginTransaction call
1184 
        asserted that the transaction was readonly.
1185 
 
1186 
2009-11-03  Richard Henderson
1187 
 
1188 
        * memset.c: New file.
1189 
        * Makefile.am (libitm_la_SOURCES): Add it.
1190 
        * Makefile.in: Rebuild.
1191 
        * testsuite/libitm.c/memset-1.c: New.
1192 
 
1193 
2009-11-03  Richard Henderson
1194 
 
1195 
        * dispatch.c: Remove file.
1196 
        * useraction.c (struct gtm_user_action): Move from libitm.h.
1197 
        * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1198 
        (serial_memset, serial_memmove, serial_memcpy): Remove.
1199 
        (serial_W*, serial_R*): Remove.
1200 
        (serial_dispatch): Update to match.
1201 
        * configure.ac: Move Werror down below configure checks.  Don't
1202 
        check for sys/loadavg.h, do check for malloc.h.  Don't check for
1203 
        getloadavg and clock_gettime; do check for memalign, posix_memalign.
1204 
        Use GCC_AC_FUNC_MMAP_BLACKLIST
1205 
        * libitm.h: Split out all internal items to...
1206 
        * libitm_i.h: ... here.  New file.
1207 
        * copymask.c: New file.
1208 
        * local.c (struct gtm_local_undo): Move from libitm.h.
1209 
        (GTM_alloc_local): Rename from alloc_local; export.
1210 
        * memcpy.c: New file.
1211 
        * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1212 
        * config/posix/page.c: New file.
1213 
        * config/posix/target_tls.h: Remove file.
1214 
        * barrier.c: New file.
1215 
        * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1216 
        copymask.c, page.c.
1217 
        * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1218 
        * method-wbetl.c: Rewrite for new cacheline methods.
1219 
        * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1220 
 
1221 
        * config/alpha/sjlj.S: Fix typo.
1222 
        * config/alpha/target_i.h: Copy functions from alpha/target.h.
1223 
        * config/alpha/copymask.c: New file.
1224 
        * config/alpha/target.h (CACHELINE_SIZE): New.
1225 
        (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1226 
 
1227 
        * config/x86/target_i.h: Copy functions from x86/target.h.
1228 
        * config/x86/copymask.c: New file.
1229 
        * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1230 
        (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1231 
        (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1232 
        * config/x86/target_tls.h: Move contents to target_i.h.
1233 
 
1234 
        * testsuite/libitm.c/clone-1.c: Include libitm.h.
1235 
        * testsuite/libitm.c/memcpy-1.c: New.
1236 
 
1237 
2009-10-22  Richard Henderson
1238 
 
1239 
        * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1240 
        (AM_CCASFLAGS): New.
1241 
        * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1242 
        saving/restoring _AC_ARG_VAR_PRECIOUS.
1243 
        * Makefile.in, aclocal.m4, config.h.in, configure,
1244 
        testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1245 
 
1246 
2009-10-22  Richard Henderson
1247 
 
1248 
        * testsuite/*: Update for new compiler syntax.
1249 
 
1250 
2009-10-21  Richard Henderson
1251 
 
1252 
        * libitm.h (_ITM_abortReason): Add outerAbort.
1253 
 
1254 
2009-08-03  Richard Henderson
1255 
 
1256 
        * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1257 
        _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1258 
        * method-wbetl.c (struct w_entry): Remove mask.
1259 
        (wbetl_write, wbetl_load): Return pointer to word containing the data;
1260 
        adjust all callers.
1261 
 
1262 
2009-07-22  Richard Henderson
1263 
 
1264 
        * eh_cpp.c: New file.
1265 
        * Makefile.am (libitm_la_SOURCES): Add it.
1266 
        * Makefile.in: Rebuild.
1267 
        * beginend.c (GTM_rollback_transaction): Undo exception state.
1268 
        (GTM_trycommit_transaction): Mark inline.
1269 
        (GTM_trycommit_and_finalize_transaction): Split out from ...
1270 
        (_ITM_commitTransaction): ... here.
1271 
        (_ITM_commitTransactionEH): New function.
1272 
        * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1273 
        cxa_unthrown, eh_in_flight; reorder.
1274 
 
1275 
        * testsuite/libitm.c++/c++.exp: New.
1276 
        * testsuite/libitm.c++/eh-1.C: New.
1277 
 
1278 
        * aatree.c (aa_free): Remove REGPARM.
1279 
        * aatree.h: Remove all REGPARM.
1280 
 
1281 
2009-07-18  Richard Henderson
1282 
 
1283 
        * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1284 
        * Makefile.am (libitm_la_SOURCES): Add them.
1285 
        * Makefile.in: Rebuild.
1286 
        * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1287 
        (GTM_trycommit_transaction): Likewise.
1288 
        * libitm.h: Include aatree.h
1289 
        (struct gtm_alloc_action): New.
1290 
        (struct gtm_transaction): Add alloc_actions.
1291 
        (GTM_record_allocation, GTM_forget_allocation): Declare.
1292 
        (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1293 
        * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1294 
        _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1295 
        _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1296 
        _ZGTtdaPvRKSt9nothrow_t): Export.
1297 
 
1298 
2009-07-18  Richard Henderson
1299 
 
1300 
        * target_tls.h: Move ...
1301 
        * config/posix/target_tls.h: ... here.
1302 
 
1303 
2009-07-07  Richard Henderson
1304 
 
1305 
        * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1306 
 
1307 
2009-07-07  Richard Henderson
1308 
 
1309 
        * Update to GPL3.
1310 
 
1311 
2009-07-07  Richard Henderson
1312 
 
1313 
        * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1314 
        * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1315 
 
1316 
        * configure.tgt: Don't use -ftls-model for x86 linux.
1317 
        * libitm.h: Include target.h after standard includes.
1318 
        (_gtm_thr): Rename from gtm_thr.
1319 
        (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1320 
        (gtm_disp, set_gtm_disp): New.
1321 
        * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1322 
        retry.c, serial.c, useraction.c: Use accessor functions throughout.
1323 
        * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1324 
 
1325 
2009-07-07  Richard Henderson
1326 
 
1327 
        * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1328 
 
1329 
2009-07-06  Richard Henderson
1330 
 
1331 
        * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1332 
        (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1333 
        (_ITM_beginTransaction): Take variadic arguments.
1334 
        (_ITM_registerThrownObject): Declare.
1335 
        * beginend.c, serial.c: Update.
1336 
        * libitm.map: Add _ITM_registerThrownObject.
1337 
 
1338 
2009-01-28  Richard Henderson
1339 
 
1340 
        * Makefile.am (libitm_la_SOURCES): Add clone.c.
1341 
        * Makefile.in: Rebuild.
1342 
        * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1343 
        (GTM_restart_transaction): Fix uninstrumented code check.
1344 
        * retry.c (GTM_decide_retry_strategy): Add serial check.
1345 
        * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1346 
        automatically go irrevokable when in serial mode.
1347 
        * clone.c: New file.
1348 
        * libitm.h, libitm.map: Update.
1349 
 
1350 
2009-01-27  Richard Henderson
1351 
 
1352 
        * Makefile.am (LTCCASCOMPILE): Define.
1353 
        (libitm_la_SOURCES): Add methid-wbetl.c.
1354 
        * testsuite/Makefile.am: New
1355 
        * configure.ac: Add testsuite/Makefile.
1356 
        * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1357 
        * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1358 
        (_ITM_abortTransaction): Finalize implementation method; pass
1359 
        transaction properties to longjmp.
1360 
        (GTM_restart_transaction): Split out from ...
1361 
        (_ITM_commitTransaction): ... here.
1362 
        * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1363 
        Move to config/x86/target.h.
1364 
        * config/linux/alpha/futex_bits.h: New.
1365 
        * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1366 
        * config/x86/target.h: Disable target types for 32-bit.
1367 
        * config/alpha/sjlj.S, config/alpha/target.h: New.
1368 
        * libitm.h (struct gtm_dispatch): Add init, fini.
1369 
        (enum restart_reason): New.
1370 
        (struct gtm_transaction): Add method and restarts.
1371 
        * retry.c (GTM_decide_retry_strategy): Implement.
1372 
        * serial.c (serial_init, serial_fini): New.
1373 
        (GTM_serialmode): Finialize outgoing method.
1374 
        * method-wbetl.c: New.
1375 
 
1376 
2008-12-09  Richard Henderson
1377 
 
1378 
        * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1379 
        * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1380 
        * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1381 
        * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1382 
        (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1383 
        (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1384 
        * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1385 
        * serial.c (serial_R##T, serial_W##T): Likewise.
1386 
 
1387 
2008-11-21  Richard Henderson
1388 
 
1389 
        * Initial commit.

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