Daily bump.
[official-gcc.git] / libitm / ChangeLog
blob2a3554fd6af1ec3f393cf980ba2fa8c91b8a4108
1 2016-01-22  Torvald Riegel  <triegel@redhat.com>
3         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
4         boundary.
5         (htm_fastpath): Remove.
6         (gtm_thread::begin_transaction): Fix HTM fastpath.
7         (_ITM_commitTransaction): Adapt.
8         (_ITM_commitTransactionEH): Adapt.
9         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
10         and accessors.
11         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
12         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
13         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
14         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
15         * libitm/method-serial.cc (htm_mg): Adapt.
16         (gtm_thread::serialirr_mode): Adapt.
17         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
19 2016-01-21  Torvald Riegel  <triegel@redhat.com>
21         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
22         or AIX.
24 2016-01-19  Richard Henderson  <rth@redhat.com>
26         PR bootstrap/69343
27         PR bootstrap/69339
28         Revert:
29         2016-01-13  Richard Henderson  <rth@redhat.com>
31         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
32         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
33         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
34         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
35         * configure.ac (ARCH_AARCH64): New conditional.
36         (ARCH_PPC, ARCH_S390): Likewise.
37         * Makefile.in, configure: Rebuild.
39         * libitm.h (_ITM_TYPE_M128): Always define.
40         * vect64.cc: Split ...
41         * vect128.cc: ... out of...
42         * config/x86/x86_sse.cc: ... here.
43         * config/arm/neon.cc: New file.
45 2016-01-19  Torvald Riegel  <triegel@redhat.com>
47         * local_type_traits: Remove file.
48         * libitm_i.h: Don't include it anymore.
49         (sized_integral): Remove.
51 2016-01-16  Torvald Riegel  <triegel@redhat.com>
53         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
54         safety.
55         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
56         * libitm/testsuite/libitm.c/priv-1.c: New.
58 2015-01-15  Torvald Riegel  <triegel@redhat.com>
60         testsuite/libitm.c++/libstdc++-safeexc.C: New.
62 2016-01-13  Torvald Riegel  <triegel@redhat.com>
64         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
65         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
66         (gtm_rwlock::write_unlock): Likewise.
68 2016-01-13  Richard Henderson  <rth@redhat.com>
70         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
71         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
72         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
73         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
74         * configure.ac (ARCH_AARCH64): New conditional.
75         (ARCH_PPC, ARCH_S390): Likewise.
76         * Makefile.in, configure: Rebuild.
78         * libitm.h (_ITM_TYPE_M128): Always define.
79         * vect64.cc: Split ...
80         * vect128.cc: ... out of...
81         * config/x86/x86_sse.cc: ... here.
82         * config/arm/neon.cc: New file.
84 2016-01-13  Torvald Riegel  <triegel@redhat.com>
86         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
87         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
88         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
89         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
90         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
91         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
92         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
93         (serialirr_dispatch::snapshot_most_recent): New.
94         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
96 2016-01-12  Torvald Riegel  <triegel@redhat.com>
98         * libitm_i.h (gtm_mask_stack): Remove.
99         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
100         * stmlock.h: Remove file.
101         * config/alpha/cacheline.h: Likewise.
102         * config/generic/cacheline.h: Likewise.
103         * config/powerpc/cacheline.h: Likewise.
104         * config/sparc/cacheline.h: Likewise.
105         * config/x86/cacheline.h: Likewise.
107 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
109         Update copyright years.
111         * libitm.texi: Bump @copying's copyright year.
113 2015-11-26  Torvald Riegel  <triegel@redhat.com>
115         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
116         (ml_wt_dispatch::pre_write): Adapt.
117         (ml_wt_dispatch::pre_load): Likewise.
119 2015-11-22  Torvald Riegel  <triegel@redhat.com>
121         * libitm_i.h (gtm_alloc_action): Remove union.
122         * testsuite/libitm.c/alloc-1.c: New.
124 2015-11-19  Torvald Riegel  <triegel@redhat.com>
126         * testsuite/libitm.c++/eh-5.C: New.
127         * libitm.h (_ITM_cxa_free_exception): New.
128         * libitm.map (_ITM_cxa_free_exception): Add it.
129         * libitm.texi: Update ABI docs.
130         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
131         (gtm_transaction_cp::cxa_uncaught_count): Add.
132         (gtm_thread::cxa_unthrown): Remove.
133         (gtm_thread::cxa_uncaught_count_ptr): Add.
134         (gtm_thread::cxa_uncaught_count): Add.
135         (gtm_thread::drop_references_allocations): Rename to...
136         (gtm_thread::discard_allocation): ... this and adapt.
137         (gtm_thread::init_cpp_exceptions): New.
138         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
139         (gtm_thread::begin_transaction): Likewise.
140         (gtm_transaction_cp::save): Likewise.
141         (gtm_thread::trycommit): Likewise.
142         * eh_cpp.cc: Add overview comments.
143         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
144         (free_any_exception, _ITM_cxa_free_exception): New.
145         (gtm_thread::init_cpp_exceptions): Define.
146         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
147         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
148         (gtm_thread::revert_cpp_exceptions): Likewise.
150 2015-11-09  Torvald Riegel  <triegel@redhat.com>
152         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
153         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
154         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
155         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
156         (gtm_thread::forget_allocations): New overload with size_t argument.
157         * alloc.c (gtm_thread::forget_allocation): Define new overload and
158         adapt existing one.
159         (gtm_thread::record_allocation): Adapt.
160         (gtm_thread::commit_allocations_1): Adapt.
161         (gtm_thread::commit_allocations_2): Adapt.
162         * testsuite/libitm.c++/newdelete.C: New.
164 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
165             Joseph Myers  <joseph@codesourcery.com>
166             Mark Shinwell  <shinwell@codesourcery.com>
167             Andrew Stubbs  <ams@codesourcery.com>
168             Rich Felker <dalias@libc.org>
170         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
171         GTM_begin_transaction for compatibility with FDPIC.
173 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
175         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
176         using load_gcc_lib.
178 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
180         PR libitm/61164
181         * local_atomic (__always_inline): Rename to...
182         (__libitm_always_inline): ... this.
184 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
186         PR target/52482
187         * config/powerpc/sjlj.S: Port to Xcode 2.5.
189 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
191         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
192         operands "op" and "val" to int.
194 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
196         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
197         "op" and "val" to int.
199 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
201         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
202         "op" and "val" to int.
204 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
206         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
207         Declare as static int.
208         (FUTEX_PRIVATE_FLAG): Remove L suffix.
209         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
211 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
213         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
214         sys_futex0 function.
216 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
218         * Makefile.in: Regenerated with automake-1.11.6.
219         * aclocal.m4: Likewise.
220         * configure: Likewise.
221         * testsuite/Makefile.in: Likewise.
223 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
225         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
226         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
228 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
230         PR libitm/64360
231         * libitm.c/stackundo.c (test2): Make it static.
232         (test1): Likewise.
234 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
236         Update copyright years.
238 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
240         * libitm.texi: Bump @copying's copyright year.
242 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
244         * testsuite/lib/libitm.exp: Load target-utils.exp.
245         Move load of target-supports.exp earlier.
247 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
249         * configure.tgt (x86_64): Tune -m32 multilib to generic.
251 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
253         PR bootstrap/63784
254         * configure: Regenerated.
256 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
258         PR target/63610
259         * configure: Regenerate.
261 2014-10-06  Marek Polacek  <polacek@redhat.com>
263         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
264         * testsuite/libitm.c/memset-1.c: Likewise.
266 2014-07-24  Richard Henderson  <rth@redhat.com>
268         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
269         addressing mode in epilogue.
271 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
273         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
274         -mclear-hwcap instead.
275         * configure: Regenerate.
276         * clearcap.map: Remove.
278 2014-05-21  John Marino  <gnugcc@marino.st>
280         * configure.tgt (*-*-dragonfly*): New target.
282 2014-05-19  Richard Henderson  <rth@redhat.com>
284         * config/aarch64/sjlj.S: New file.
285         * config/aarch64/target.h: New file.
286         * configure.tgt: Enable aarch64.
288 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
290         * config/generic/asmcfi.h: Also check for
291         __GCC_HAVE_DWARF2_CFI_ASM.
293 2013-04-02  Richard Henderson  <rth@redhat.com>
295         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
296         * config/arm/target.h, config/sh/target.h: Likewise.
297         * config/sparc/target.h, config/x86/target.h: Likewise.
299 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
301         * config/linux/futex_bits.h: Include errno.h.
302         (sys_futex0): If syscall returns -1, return -errno rather than
303         -1.
305 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
307         * libitm.texi (Index): Rename to Library Index.
309 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
311         PR libitm/53113
312         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
313         (x86_avx.lo): Append -mavx to CXXFLAGS.
314         * Makefile.in: Regenerate.
316 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
318         Update copyright years
320 2014-01-02  Tobias Burnus  <burnus@net-b.de>
322         * libitm.texi: Bump @copying's copyright year.
324 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
326         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
327         (FUNC): Define ELFv2 variant.
328         (END): Likewise.
329         (HIDDEN): Likewise.
330         (CALL): Likewise.
331         (BASE): Likewise.
332         (LR_SAVE): Likewise.
334 2013-09-20  Alan Modra  <amodra@gmail.com>
336         * configure: Regenerate.
338 2013-08-30  Torvald Riegel  <triegel@redhat.com>
340         * config/posix/rwlock.cc: Fix initialization order.
342 2013-08-30  Torvald Riegel  <triegel@redhat.com>
344         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
345         (htm_fastpath): Assign an asm name.
346         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
347         HTM fast paths.
348         (_ITM_actions): Likewise.
349         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
350         x86_64.
351         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
352         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
353         field to the start of the structure.
354         * config/linux/rwlock.h (gtm_rwlock): Update comments.
355         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
356         handling for custom HTM fast paths.
358 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
359         Revert:
360         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
362         * configure.tgt: Add -msoft-float to XCFLAGS.
364 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
366         * configure.tgt: Add -msoft-float to XCFLAGS.
368 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
370         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
371         (htm_transaction_active): Enable zEC12 instructions in the
372         assembler.
373         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
375 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
377         * acinclude.m4: Add htm asm check for s390.
378         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
379         * configure: Regenerate.
380         * config/s390/target.h: Remove __HTM__ check.
381         (htm_available): Call getauxval to get hwcaps and check whether
382         HTM is available or not.
384 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
386         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
387         * configure.ac: Use it.
388         (AC_CHECK_HEADERS): Check for sys/auxv.h.
389         (AC_CHECK_FUNCS): Check for getauxval.
390         * config.h.in, configure: Rebuild.
391         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
392         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
393         (USE_HTM_FASTPATH): Define.
394         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
395         _HTM_RETRIES) New macros.
396         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
397         htm_begin_success, htm_commit, htm_transaction_active): New functions.
399 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
401         * config/s390/target.h: Include htmintrin.h.
402         (_HTM_ITM_RETRIES): New macro definition.
403         (htm_available, htm_init, htm_begin, htm_begin_success)
404         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
406 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
407             Cesar Philippidis  <cesar@codesourcery.com>
409         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
410         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
411         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
412         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
414 2013-06-20  Torvald Riegel  <triegel@redhat.com>
416         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
417         (_ITM_getTransactionId): Same.
418         * config/x86/target.h (htm_transaction_active): New.
420 2013-06-20  Torvald Riegel  <triegel@redhat.com>
422         PR libitm/57643
423         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
424         the HTM fastpath.
426 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
428         PR bootstrap/56714
429         * local_atomic (__always_inline): Always define our version.
430         (__calculate_memory_order): Mark inline.
431         (atomic_thread_fence): Ditto.
432         (atomic_signal_fence): Ditto.
433         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
434         (atomic_bool::atomic_flag_clear_explicit): Ditto.
435         (atomic_bool::atomic_flag_test_and_set): Ditto.
436         (atomic_bool::atomic_flag_clear): Ditto.
438 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
440         * config/s390/sjlj.S: New file.
441         * config/s390/target.h: New file.
442         * configure.tgt: Set options for S/390.
444 2013-03-23  Andi Kleen  <ak@linux.intel.com>
446         * local_atomic (__always_inline): Add.
447         (__calculate_memory_order, atomic_thread_fence,
448          atomic_signal_fence, test_and_set, clear, store, load,
449          exchange, compare_exchange_weak, compare_exchange_strong,
450          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
451         Add __always_inline to force inlining.
453 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
454             Jack Howarth  <howarth@bromo.med.uc.edu>
455             Patrick Marlier  <patrick.marlier@gmail.com>
457         PR libitm/55693
458         * alloc_cpp.cc: Enable function declarations on darwin.
459         * eh_cpp.cc: Likewise.
461 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
463         Update copyright years.
465 2012-11-09  Torvald Riegel  <triegel@redhat.com>
467         * beginend.cc (htm_fastpath): New.
468         (gtm_thread::begin_transaction, _ITM_commitTransaction,
469         _ITM_commitTransactionEH): Add HTM fastpath handling.
470         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
471         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
472         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
473         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
474         * configure.tgt: Add -mrtm to XCFLAGS.
475         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
476         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
477         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
478         * retry.cc (parse_default_method): Add HTM method parsing.
479         (gtm_thread::number_of_threads_changed): Use HTM by default if
480         available.
482 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
484         * configure: Regenerate.
486 2012-10-31  Richard Henderson  <rth@redhat.com>
488         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
489         * configure.ac: Use it.
490         * config.h.in, configure: Rebuild.
491         * testsuite/Makefile.in: Rebuild.
493 2012-10-24  Torvald Riegel  <triegel@redhat.com>
495         * libitm.texi: Clarify ABI requirements for data-logging functions.
497 2012-10-24  Torvald Riegel  <triegel@redhat.com>
499         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
500         it requires serial mode instead of assuming that for certain
501         dispatchs.
502         * dispatch.h (abi_dispatch::requires_serial): New.
503         (abi_dispatch::abi_dispatch): Adapt.
504         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
505         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
506         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
507         serial_dispatch::serial_dispatch,
508         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
510 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
512         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
513         and ia32 declarations some more.
514         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
516 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
518         PR other/43620
519         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
520         * configure: Regenerate.
521         * Makefile.in: Regenerate.
523 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
525         * configure: Regenerated.
527 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
529         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
531 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
533         * eh_cpp.cc: Fix __cxa_end_catch declaration.
535 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
537         * configure: Regenerated.
539 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
541         PR libitm/52854
542         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
543         for x86-64.
545 2012-04-03  Tristan Gingold  <gingold@adacore.com>
547         * configure: Regenerate.
549 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
551         PR bootstrap/52812
552         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
554 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
556         * testsuite/lib/libitm.exp: load fortran-modules.exp
558 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
560         * configure.tgt (*-*-irix6*): Remove.
562 2012-03-13  Torvald Riegel  <triegel@redhat.com>
564         PR libitm/52526
565         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
566         wake-up.
568 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
570         * configure.tgt (*-*-osf*): Remove.
571         * configure: Regenerate.
573 2012-03-05  Torvald Riegel  <triegel@redhat.com>
575         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
576         memtransfer/memset if size isn't larger than zero.
578 2012-03-02  Torvald Riegel  <triegel@redhat.com>
580         * libitm.texi: Link to specification and add a usage example.
582 2012-02-24  Torvald Riegel  <triegel@redhat.com>
584         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
585         default dispatch for more than 1 thread to ml_wt.
587 2012-02-20  Torvald Riegel  <triegel@redhat.com>
589         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
591 2012-02-20  Torvald Riegel  <triegel@redhat.com>
593         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
595 2012-02-20  Torvald Riegel  <triegel@redhat.com>
597         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
598         serial mode corner cases made obsolete by prior gtm_rwlock changes.
599         (gl_wt_dispatch.rollback): Same.
601 2012-02-20  Torvald Riegel  <triegel@redhat.com>
603         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
605 2012-02-20  Torvald Riegel  <triegel@redhat.com>
607         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
608         for RfW src.  Optimize number of calls to gtm_thr.
610 2012-02-20  Torvald Riegel  <triegel@redhat.com>
612         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
613         acquisition to ...
614         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
615         (default_dispatch): Make atomic.
616         (GTM::gtm_thread::set_default_dispatch): Access atomically.
617         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
618         use decide_begin_dispatch() if default_dispatch might have changed.
619         (GTM::gtm_thread::number_of_threads_changed): Initialize
620         default_dispatch here.
622 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
623             Patrick Marlier  <patrick.marlier@gmail.com>
625         PR libitm/52220
626         * alloc_cpp.cc: No dummy definitions for darwin.
627         * eh_cpp.cc: Likewise.
629 2012-02-14  Richard Henderson  <rth@redhat.com>
631         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
633 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
635         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
637 2012-02-14  Torvald Riegel  <triegel@redhat.com>
639         * libitm_i.h (GTM::gtm_rwlog_entry): New.
640         (GTM::gtm_thread): Add read and write logs.
641         (GTM::dispatch_ml_wt): Declare.
642         * retry.cc (parse_default_method): Support ml_wt.
643         * method-ml.cc: New file.
644         * Makefile.am: Add method-ml.cc.
645         * Makefile.in: Regenerate.
647 2012-02-14  Torvald Riegel  <triegel@redhat.com>
649         * dispatch.h (GTM::abi_dispatch::supports): New.
650         (GTM::method_group::reinit): New.
651         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
652         (GTM::gtm_thread::number_of_threads_changed): Check that the method
653         supports the current situation.
655 2012-02-14  Torvald Riegel  <triegel@redhat.com>
657         * util.cc (GTM::xcalloc): New.
658         * common.h (GTM::xcalloc): Declare.
660 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
662         * config/sparc/target.h (cpu_relax): Read from CC register.
663         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
665 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
667         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
669 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
671         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
672         * config/sparc/cacheline.h: New file.
673         * config/sparc/target.h: Likewise.
674         * config/sparc/sjlj.S: Likewise.
675         * config/linux/sparc/futex_bits.h: Likewise.
677 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
679         * configure.ac (link_itm): Fix comment.
680         * configure: Regenerate.
681         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
683 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
685         PR libitm/51822
686         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
687         Correct libgomp references.
689 2012-01-24  Torvald Riegel  <triegel@redhat.com>
691         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
692         wake-up.
694 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
696         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
697         end of structure.
698         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
699         offset values.  Do not copy return address.  Decrement stack
700         by 56 bytes only.
701         (GTM_longjump) [__x86_64__]: Update offset values.
703 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
705         PR libitm/51830
706         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
707         the first function argument to %eax.
709 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
711         * libitm.h (_ITM_getThreadnum): Remove.
712         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
714 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
716         * clearcap.map: New file.
717         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
718         * configure.ac: Call it.
719         Clear HWCAP_LDFLAGS if defaulting to -mavx.
720         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
721         * configure: Regenerate.
722         * Makefile.in: Regenerate.
723         * testsuite/Makefile.in: Regenerate.
725 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
727         PR libitm/51173
728         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
729         include, exclude options.
731 2012-01-14  Torvald Riegel  <triegel@redhat.com>
733         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
734         rolling back.
735         * containers.h (GTM::vector::set_size): New.
737 2012-01-14  Torvald Riegel  <triegel@redhat.com>
739         PR libitm/51855
740         * config/generic/tls.h (GTM::mask_stack_top): New.
741         (GTM::mask_stack_bottom): Declare.
742         * config/generic/tls.c (GTM::mask_stack_bottom): New.
743         * local.cc (gtm_undolog::rollback): Filter out any updates that
744         overlap the libitm stack.  Add current transaction as parameter.
745         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
746         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
747         * testsuite/libitm.c/stackundo.c: New test.
749 2012-01-10  Richard Henderson  <rth@redhat.com>
751         * libitm_i.h (_Unwind_DeleteException): Declare weak.
752         * eh_cpp.cc (_Unwind_DeleteException): Define for
753         !HAVE_ELF_STYLE_WEAKREF.
755 2012-01-08  Torvald Riegel  <triegel@redhat.com>
757         * local.cc (GTM_LB): Use GTM::gtm_undolog.
758         (GTM::gtm_thread::drop_references_undolog): Remove.
759         (GTM::gtm_thread::commit_undolog,
760         GTM::gtm_thread::rollback_undolog): Move to ...
761         * libitm_i.h (GTM::gtm_undolog): ...here. New.
762         (GTM::gtm_undolog_entry): Remove.
763         (GTM::gtm_thread): Adapt.
764         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
765         (GTM::gtm_thread::trycommit): Adapt.
766         * method-serial.cc (serial_dispatch::log): Adapt.
767         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
768         (gl_wt_dispatch::store): Fix likely/unlikely.
769         * containers.h (GTM::vector::resize): Add additional_capacity
770         parameter and handle it.
771         (GTM::vector::resize_noinline): New/adapt.
772         (GTM::vector::push): New.
774 2012-01-06  Richard Henderson  <rth@redhat.com>
776         * configure.tgt: Support powerpc-linux and powerpc-darwin.
777         * config/linux/powerpc/futex_bits.h: New file.
778         * config/powerpc/cacheline.h: New file.
779         * config/powerpc/sjlj.S: New file.
780         * config/powerpc/target.h: New file.
781         * config/generic/asmcfi.h (cfi_offset): New.
782         (cfi_restore, cfi_undefined): New.
784 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
786         PR other/51171
787         * testsuite/libitm.c/reentrant.c: Remove xfail.
788         (thread): Pass x to pure().
789         From Patrik Marlier <patrick.marlier@gmail.com>.
791 2011-12-24  Torvald Riegel  <triegel@redhat.com>
793         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
794         privatization safety if already in serial mode.
796 2011-12-24  Torvald Riegel  <triegel@redhat.com>
798         * beginend.cc (GTM::gtm_thread::restart): Add and handle
799         finish_serial_upgrade parameter.
800         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
801         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
802         Don't unset reader flag.
803         (GTM::gtm_rwlock::write_upgrade_finish): New.
804         * config/posix/rwlock.cc: Same.
805         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
806         Declare.
807         * config/posix/rwlock.h: Same.
808         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
809         flag after commit or after rollback when restarting.
811 2011-12-24  Torvald Riegel  <triegel@redhat.com>
813         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
814         (GTM::gtm_thread::try_commit): Changed memory order.
815         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
816         as parameter.
817         * config/linux/x86/futex_bits.h (sys_futex0): Same.
818         * config/linux/sh/futex_bits.h (sys_futex0): Same.
819         * config/linux/futex_bits.h (sys_futex0): Same.
820         * config/linux/futex.cc (futex_wait, futex_wake): Same.
821         * config/linux/futex.h (futex_wait, futex_wake): Same.
822         * config/linux/rwlock.h (gtm_rwlock::writers,
823         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
824         ints.
825         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
826         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
827         gtm_rwlock::write_unlock): Fix memory orders and fences.
828         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
829         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
830         gtm_rwlock::write_unlock): Same.
831         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
832         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
833         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
834         Add comments.
835         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
836         gl_wt_dispatch::load, gl_wt_dispatch::store,
837         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
838         orders and fences.  Add comments.
840 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
842         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
843         * Makefile.in: Regenerated.
845 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
847         * configure.tgt: Add sh* case.
848         * config/sh/target.h: New file.
849         * config/sh/sjlj.S: New file.
850         * config/linux/sh/futex_bits.h: New file.
852 2011-12-14  Richard Henderson  <rth@redhat.com>
854         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
855         * config/arm/sjlj.S, config/arm/target.h: New files.
856         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
857         (cfi_rel_offset): New.
858         * config/linux/futex_bits.h: New file.
859         * config/linux/futex.cc: Include futex_bits.h here...
860         * config/linux/futex.h: ... not here.
861         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
862         * configure.ac (ARCH_AM): New conditional.
863         * Makefile.in, configure: Rebuild.
864         * configure.tgt: Handle ARM.
866 2011-12-13  Richard Henderson  <rth@redhat.com>
868         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
869         signed/unsigned comparison werror.
871         * local_atomic: New file.
872         * libitm_i.h: Include it.
873         (gtm_thread::shared_state): Use atomic template.
874         * beginend.cc (GTM::gtm_clock): Use atomic template.
875         (global_tid): Use atomic template if 64-bit atomics available.
876         (gtm_thread::gtm_thread): Update shared_state access.
877         (gtm_thread::trycommit): Likewise.
878         (choose_code_path): Update global_tid access.
879         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
880         * stmlock.h (GTM::gtm_clock): Use atomic template.
881         (gtm_get_clock, gtm_inc_clock): Update accesses.
882         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
883         redundant __sync_synchronize after atomic shared_state access.
884         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
885         (gtm_rwlock::write_lock_generic): Likewise.
886         (gtm_rwlock::read_unlock): Likewise.
887         * config/alpha/target.h (atomic_read_barrier): Remove.
888         (atomic_write_barrier): Remove.
889         * config/x86/target.h (atomic_read_barrier): Remove.
890         (atomic_write_barrier): Remove.
892 2011-11-30  Richard Henderson  <rth@redhat.com>
894         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
895         * beginend.c (_ITM_abortTransaction): Update to match.
896         (GTM::gtm_thread::restart): Likewise.
897         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
898         * config/x86/sjlj.S (GTM_longjmp): Likewise.
900 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
902         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
903         * Makefile.in: Regenerate.
905 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
907         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
908         * alloc_cpp.cc: Generate dummy functions if we don't
909         HAVE_ELF_STYLE_WEAKREF.
910         * eh_cpp.cc: Likewise.
911         * configure: Regenerate.
912         * aclocal.m4:  Likewise.
913         * config.h.in: Likewise.
914         * Makefile.in: Likewise.
915         * testsuite/Makefile.in: Likewise.
917 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
919         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
920         __USER_LABEL_PREFIX__ for targets that use it.
921         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
922         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
923         in portability to non-elf targets.
924         (GTM_longjmp): Likewise.
925         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
926         where required.
928 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
930         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
931         * testsuite/libitm.c/memset-1.c: Likewise.
933 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
935         * configure: Regenerate.
937 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
939         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
940         (LIBITM_ENABLE_SYMVERS): Handle sun style.
941         * Makefile.am: Handle sun style versioning.
942         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
943         * configure: Regenerate.
944         * Makefile.in: Regenerate.
946 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
948         * config/generic/asmcfi.h: Fix comment.
949         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
950         sequence without .hidden support, error for non-ELF targets.
951         (GTM_longjmp) [__ELF__]: Only use .hidden if
952         HAVE_ATTRIBUTE_VISIBILITY.
954 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
956         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
957         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
958         Dummy functions.
959         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
960         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
962 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
964         PR bootstrap/51098
965         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
966         * configure: Regenerate.
968 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
970         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
972 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
974         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
975         .hidden.
976         (.note.GNU-stack): Only use if __linux__.
977         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
978         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
979         * testsuite/libitm.c/reentrant.c: Likewise.
980         * testsuite/libitm.c/simple-2.c: Likewise.
981         * testsuite/libitm.c/txrelease.c: Likewise.
982         * testsuite/libitm.c++/static_ctor.C: Likewise.
984 2011-11-10  Richard Henderson  <rth@redhat.com>
986         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
987         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
988         * configure.ac (ARCH_X86_AVX): New conditional.
989         * Makefile.in, configure: Rebuild.
991 2011-11-09  Richard Henderson  <rth@redhat.com>
993         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
994         * configure.ac: Use it.
995         * config.h.in, configure: Rebuild.
996         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
998 2011-11-09  Richard Henderson  <rth@redhat.com>
1000         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1001         * config/alpha/unaligned.h: Remove file.
1002         * config/generic/unaligned.h: Remove file.
1003         * config/x86/unaligned.h: Remove file.
1004         * config/generic/cachepage.h: Remove file.
1005         * config/posix/cachepage.cc: Remove file.
1006         * config/generic/cacheline.cc: Remove file.
1007         * config/x86/cacheline.cc: Remove file.
1008         * config/generic/cacheline.h (gtm_cacheline): Remove the
1009         store_mask, copy_mask, copy_mask_wb methods.
1010         * config/x86/cacheline.h: Likewise.
1011         * config/alpha/cacheline.h: Fall back to generic after setting size.
1012         * config/generic/tls.cc (gtm_mask_stack): Remove.
1013         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1014         (GTM_vpalignr_table): Remove.
1015         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1016         (GTM_pshift_table): Remove.
1017         * config/libitm_i.h: Don't include cachepage.h.
1018         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1019         * Makefile.in, testsuite/Makefile.in: Rebuild.
1021 2011-11-09  Richard Henderson  <rth@redhat.com>
1023         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1024         to emit branch prediction hint.
1026         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1027         Protect .note.GNU-stack with __linux__.
1029         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1030         * configure, aclocal.m4, config.h.in: Rebuild.
1031         * config/generic/asmcfi.h: New file.
1032         * config/x86/sjlj.S: Use it.
1034 2011-11-08  Richard Henderson  <rth@redhat.com>
1036         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1038 2011-11-08  Richard Henderson  <rth@redhat.com>
1040         * configure.tgt: Test correct directory for supported cpus.
1042         * configure.ac: Exit if unsupported.
1043         * configure: Rebuild.
1044         * configure.tgt: Delete boilerplate from libgomp for unsupported
1045         targets.  Set UNSUPPORTED for unsupported targets.
1047 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1049         * configure.tgt: Handle i386 like i[456]86.
1050         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1051         take address.
1052         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1053         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1055 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1057         * method-wbetl.cc: Update copyright notice.
1058         * aatree.cc: Same.
1059         * util.cc: Same.
1060         * libitm.h: Same.
1061         * memset.cc: Same.
1062         * eh_cpp.cc: Same.
1063         * barrier.tpl: Same.
1064         * useraction.cc: Same.
1065         * stmlock.h: Same.
1066         * memcpy.cc: Same.
1067         * common.h: Same.
1068         * config/generic/tls.cc: Same.
1069         * config/generic/cacheline.h: Same.
1070         * config/generic/cachepage.h: Same.
1071         * config/generic/cacheline.cc: Same.
1072         * config/generic/unaligned.h: Same.
1073         * config/x86/cacheline.h: Same.
1074         * config/x86/cacheline.cc: Same.
1075         * config/x86/unaligned.h: Same.
1076         * config/alpha/cacheline.h: Same.
1077         * config/alpha/unaligned.h: Same.
1078         * config/alpha/sjlj.S: Same.
1079         * config/posix/cachepage.cc: Same.
1080         * config/linux/futex.h: Same.
1081         * config/linux/alpha/futex_bits.h: Same.
1083 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1085         * libitm.texi: No cover text and invariant sections.
1087 2011-11-03  Richard Henderson  <rth@redhat.com>
1089         * local_type_traits: New file.
1090         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1092 2011-11-03  Richard Henderson  <rth@redhat.com>
1094         * configure.ac: Don't test for gfortran.
1095         * configure: Rebuild.
1097         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1098         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1100 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1102         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1103         * testsuite/libitm.c/memset-1.c: Same.
1104         * testsuite/libitm.c/c.exp: Same.
1105         * testsuite/lib/libitm-dg.exp: Same.
1106         * testsuite/lib/libitm.exp: Same.
1107         * testsuite/libitm.c++/c++.exp: Same.
1109 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1111         * testsuite/config/default.exp: Update copyright date.
1112         * configure.ac: Add copyright info.
1113         * configure.tgt: Same.
1115 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1117         * testsuite/libitm.c/reentrant.c: XFAIL.
1118         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1120 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1122         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1123         handle aborts.
1124         (_ITM_abortTransaction): Handle aborts of outer transactions.
1125         * libitm_i.h: Same.
1126         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1127         * libitm.texi: Document aborts of outer transactions.
1128         * testsuite/libitm.c/cancel.c: New file.
1130 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1132         * testsuite/*: Change __transaction to __transaction_atomic or
1133         __transaction_relaxed.
1135 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1137         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1138         (gtm_thr): Same.
1140 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1142         * libitm_i.h: Add gl_wt dispatch.
1143         * retry.cc (parse_default_method): Same.
1144         * method-gl.cc: New file.
1145         * Makefile.am: Use method-gl.cc.
1146         * Makefile.in: Rebuild.
1148 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1150         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1151         safety if requested by a TM method.
1152         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1153         privatization safety.
1154         * method-serial.cc: Same.
1156 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1158         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1159         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1160         undolog-related member functions from *_local to *_undolog.
1161         * local.cc (gtm_thread::commit_undolog): Same.
1162         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1163         (GTM::gtm_thread::rollback): Roll back undolog before
1164         dispatch-specific rollback.
1166 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1168         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1169         re-initialization of the current method group.
1170         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1172 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1174         * alloc.cc (commit_allocations_2): Do not free transaction-local
1175         memory when committing a nested transaction.
1177 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1179         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1180         serial-irrevocable dispatch, not serial.
1182 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1184         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1185         declarations.
1186         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1187         * method-serial.cc: Implement begin_or_restart().
1188         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1189         dispatch-specific begin_or_restart().
1190         (GTM::gtm_thread::restart): Same.
1192 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1194         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1195         restarting without switching to serial mode.
1196         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1197         transaction state. Choose closed-nesting alternative if available.
1198         (GTM::gtm_thread::set_default_dispatch): New.
1199         (parse_default_method): New.
1200         (GTM::gtm_thread::number_of_threads_changed): New.
1201         * method-serial.cc (GTM::serial_mg): New method group class.
1202         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1203         fini.
1204         (GTM::serial_dispatch): Same.
1205         (GTM::serialirr_onwrite_dispatch): Same.
1206         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1207         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1208         registered threads.
1209         (GTM::gtm_thread::gtm_thread): Same.
1210         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1211         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1212         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1213         choose dispatch but set state according to dispatch here.
1214         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1215         (GTM::method_group): New class.
1216         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1217         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1218         * libitm.texi: Document TM methods, method groups, method life cycle.
1219         Rename method sets to method groups.
1221 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1223         * config/x86/tls.h: Moved to ...
1224         * config/linux/x86/tls.h: ... here.
1226 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1228         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1229         Add X32 support.
1230         * config/x86/sjlj.S: Same.
1232 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1234         * config/linux/rwlock.h: New file.
1235         * config/linux/rwlock.c: New file.
1236         * configure.ac: Reenable futex support (undo SVN rev 157758).
1237         * Makefile.am: Same.
1238         * configure.tgt: Same.
1239         * config/linux/alpha/futex_bits.h: Same.
1240         * config/linux/futex.h: Same. Return number of woken processes.
1241         * config/linux/futex.cc: Same.
1242         (futex_wait): Remove spinning.
1243         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1244         Use __x86_64__ instead of __LP64__.
1245         * aclocal.m4: Include generic futex checks.
1246         * configure: Rebuild.
1247         * Makefile.in: Rebuild.
1248         * testsuite/Makefile.in: Rebuild.
1249         * beginend.cc: Include pthread.h.
1250         * config/posix/cachepage.cc: Same.
1252 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1254         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1255         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1256         (set_gtm_thr): New.
1257         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1258         (set_gtm_thr): New.
1259         (GTM::gtm_thread::thread_num): Removed.
1260         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1261         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1262         tx-to-thread renaming.
1263         * beginend.cc: Adapted to tx-to-thread renaming.
1264         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1265         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1266         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1267         gtm_transaction to gtm_thread.
1268         (_ITM_getThreadnum): Removed. Not supported anymore.
1269         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1270         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1271         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1272         gtm_tx-to-gtm_thr renaming if necessary.
1273         * eh_cpp.cc: Same.
1274         * local.cc: Same.
1275         * retry.cc: Same.
1276         * clone.cc: Same.
1277         * alloc.cc: Same.
1278         * alloc_c.cc: Same.
1279         * alloc_cpp.cc: Same.
1280         * method-serial.cc: Same.
1281         * config/generic/tls.cc: Same.
1282         * config/posix/rwlock.h (gtm_rwlock): Same.
1283         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1285 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1287         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1288         implementation.
1289         (gtm_rwlock::read_unlock): Same.
1290         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1291         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1292         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1293         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1294         w_upgrade. Replaced by per-transaction flags (in shared_state).
1295         Added c_confirmed_writers.
1296         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1297         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1298         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1299         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1300         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1301         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1302         * libitm.texi: Document locking conventions and implementations in
1303         libitm.
1305 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1307         * libitm_i.h (next_tx): Add list of all threads' transaction.
1308         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1309         transaction with list of transactions and ...
1310         (thread_exit_handler): ... deregister here.
1311         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1312         * config/x86/target.h: Same.
1314 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1316         * testsuite/libitm.c++/static_ctor.C: New file.
1318 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1320         * testsuite/libitm.c/reentrant.c: New file.
1322 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1324         * config/generic/tls.h: Remove the free list for transactions and ...
1325         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1326         (GTM::gtm_transaction::operator delete): ... and release here.
1327         (thread_exit_handler): New. Delete tx when thread terminates.
1328         (thread_exit_init): New.
1329         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1330         * testsuite/libitm.c/txrelease.c: New file.
1332 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1334         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1335         * testsuite/libitm.c/notx.c: New file.
1337 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1339         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1340         * libitm_i.h (local_tid): ... to here.
1341         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1342         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1344 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1346         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1347         serialirr_onwrite_dispatch as new default for now.
1348         * method-serial.cc (serialirr_onwrite_dispatch): New.
1349         (GTM::dispatch_serialirr_onwrite): New.
1350         * libitm_i.h: Same.
1352 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1354         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1355         * query.cc (_ITM_getTransactionId): There is no active transaction if
1356         the current nesting level is zero.
1358 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1360         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1361         rollback.
1363 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1365         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1366         transaction properties from the caller instead of from the
1367         transaction object.
1368         * libitm_i.h: Same.
1369         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1371 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1373         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1374         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1375         * dispatch.h: Same.
1376         * method-serial.cc: Same.
1377         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1378         flat nesting as default, and closed nesting on demand.
1379         (GTM::gtm_transaction::rollback): Same.
1380         (_ITM_abortTransaction): Same.
1381         (GTM::gtm_transaction::restart): Same.
1382         (GTM::gtm_transaction::trycommit): Same.
1383         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1384         (choose_code_path): New.
1385         (GTM::gtm_transaction_cp::save): New.
1386         (GTM::gtm_transaction_cp::commit): New.
1387         * query.cc (_ITM_inTransaction): Support flat nesting.
1388         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1389         (GTM::gtm_transaction): Support flat and closed nesting.
1390         * alloc.cc (commit_allocations_2): New.
1391         (commit_cb_data): New helper struct.
1392         (GTM::gtm_transaction::commit_allocations): Handle nested
1393         commits/rollbacks.
1394         * libitm.texi: Update user action section, add description of nesting.
1396 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1398         * libitm_i.h: Add closed nesting as restart reason.
1399         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1401 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1403         * useraction.cc: Use vector instead of list to store actions.
1404         Also support partial rollbacks for closed nesting.
1405         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1406         * beginend.cc: Same.
1408 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1410         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1411         closed_nesting flags, as well as a closed nesting alternative.
1412         * method-serial.cc: Same.
1413         (serial_dispatch): Renamed to serialirr_dispatch.
1414         (GTM::dispatch_serialirr): Same.
1415         (serial_dispatch_ul): Renamed to serial_dispatch.
1416         (GTM::dispatch_serial): Same.
1418 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1420         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1422 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1424         * aatree.h (aa_tree::remove): New.
1425         (aa_tree::operator new): Add placement new.
1427 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1429         * containers.h: New file.
1430         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1431         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1432         * common.h: ... to here.
1433         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1434         * local.cc: Same.
1436 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1438         * libitm_i.h (STATE_ABORTING): Remove.
1439         * beginend.cc (_ITM_abortTransaction): Same.
1440         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1441         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1442         (_ITM_rollbackTransaction): Remove.
1443         * beginend.cc: Same.
1444         * libitm.map: Same.
1445         * libitm.texi: Document these ABI changes.
1447 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1449         * libitm.texi: New file.
1450         * Makefile.am: Add libitm.texi.
1451         * Makefile.in: Rebuild.
1453 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1455         * libitm_i.h: Move parts to common.h and dispatch.h.
1456         * common.h: New file.
1457         * dispatch.h: New file, new dispatch class.
1458         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1459         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1460         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1461         decision to retry.cc.
1462         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1463         only.
1464         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1465         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1466         logging.
1467         * barrier.cc: Use new barriers definitions.
1468         (abi_dispatch::memmove_overlap_check): New.
1469         * config/x86/x86_sse.cc: Same.
1470         * config/x86/x86_avx.cc: Same.
1471         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1472         memcpy.cc.
1473         * Makefile.in: Rebuild.
1474         * method-readonly.cc: Remove.
1475         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1476         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1478 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1480         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1481         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1482         * testsuite/libitm.c/dropref-2.c: Same.
1483         * testsuite/libitm.c/dropref.c: Same.
1485 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1487         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1488         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1489         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1490         * alloc_c.cc: Same.
1491         * barrier.tpl: Same.
1492         * beginend.c: Same.
1493         * config/generic/tls.h: Same.
1494         * config/x86/tls.h: Same.
1495         * libitm_i.h: Same.
1496         * memcpy.cc: Same.
1497         * memset.cc: Same.
1498         * method-readonly.cc: Same.
1499         * method-serial.cc: Same.
1500         * method-wbetl.cc: Same.
1501         * retry.cc: Same.
1503 2011-03-03  Richard Henderson  <rth@redhat.com>
1505         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1506         From Patrik Marlier <patrick.marlier@unine.ch>.
1508 2011-02-03  Richard Henderson  <rth@redhat.com>
1510         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1511         * configure.ac: Use it.
1512         * configure, config.h.in: Rebuild.
1513         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1514         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1515         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1516         * libitm.map: Use wildcards to match size_t mangling.
1518 2010-12-14  Richard Henderson  <rth@redhat.com>
1520         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1521         blocks of TIDs per thread.
1522         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1523         (setup_gtm_thr): Return the thread structure.
1524         * config/x86/tls.h (setup_gtm_thr): Likewise.
1526 2010-12-14  Richard Henderson  <rth@redhat.com>
1528         * clone.cc (table_lock): Remove.
1529         (find_clone): Don't take it.
1530         (ExcludeTransaction): New helper class.
1531         (_ITM_registerTMCloneTable): Use it.
1532         (_ITM_deregisterTMCloneTable): Likewise.
1534 2010-12-14  Richard Henderson  <rth@redhat.com>
1536         * config/x86/tls.h: New file.
1538 2010-07-15  Richard Henderson  <rth@redhat.com>
1540         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1541         * Makefile.in: Rebuild.
1543 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1545         * method-wbetl.cc (trydropreference): Fix source line.
1547 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1549         * libitm.h: Add comment.
1550         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1552 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1554         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1555         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1556         available, use pthread mutexes.
1557         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1558         * config.h.in: Regenerate.
1559         * configure: Regenerate.
1561 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1563         * libitm.h (ITM_PURE): Define.
1564         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1566 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1568         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1569         (validate): Add comment.
1570         (trydropreference): New.
1571         * method-readonly.cc (class readonly_dispatch): Add
1572         trydropreference.
1573         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1574         Call trydropreference().
1575         * libitm.h (_ITM_dropReferences): Remove const attribute.
1576         * method-serial.cc (class serial_dispatch): Add trydropreference.
1577         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1579 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1581         * memcpy.cc (do_memcpy): Comment.
1583 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1585         * barrier.tpl: Add comments throughout.
1587 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1589         * method-wbetl.cc (struct w_entry): Add comments.
1590         (trycommit): Same.
1591         (rollback): Same.
1593 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1595         * alloc_c.cc (_ITM_dropReferences): New.
1596         * libitm.map (_ITM_dropReferences): Add.
1597         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1598         * libitm_i.h (struct gtm_transaction): Declare
1599         drop_references_allocations and drop_references_local.
1600         * local.cc (rollback_local): Ignore memory when applicable.
1601         (drop_references_local): New.
1603 2010-06-23  Richard Henderson  <rth@redhat.com>
1605         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1606         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1607         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1608         * config/alpha/target.h: Likewise.
1609         * config/generic/tls.cc (gtm_mask_stack): Use it.
1611 2010-06-23  Richard Henderson  <rth@redhat.com>
1613         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1614         a mutex instead of trying a lock-free compare-and-swap on the list.
1615         (gtm_cacheline_page::operator delete): Likewise.
1617 2010-06-16  Richard Henderson  <rth@redhat.com>
1619         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1620         that overlap the libitm stack.
1621         * barrier.tpl: Mark incoming stack.
1622         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1623         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1624         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1625         * memcpy.cc, memset.cc: Likewise.
1626         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1627         * config/generic/tls.h (gtm_thread): Add stack_top member.
1628         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1629         * libitm_i.h (gtm_mask_stack): Declare.
1630         * config/generic/tls.cc: New file.
1631         * Makefile.am (libitm_la_SOURCES): Add it.
1632         (AM_CXXFLAGS): Turn off exceptions.
1633         * Makefile.in: Rebuild.
1635 2010-06-16  Richard Henderson  <rth@redhat.com>
1637         * alloc.cc (struct gtm_alloc_action): Move definition ...
1638         * libitm_i.h: ... here.
1639         (class gtm_transaction): Declare new and delete.
1640         * beginend.cc (alloc_tx): Reformulate as operator new.
1641         (free_tx): Reformulate as operator delete.
1642         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1644 2010-06-11  Richard Henderson  <rth@redhat.com>
1646         * clone.cc (clone_entry_compare): Fix typo.
1647         From Patrik Marlier <patrick.marlier@unine.ch>.
1649 2010-05-13  Richard Henderson  <rth@redhat.com>
1651         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1652         in extern "C".
1654 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1656         * libitm_i.h (struct gtm_transaction): Remove
1657         get_allocation_size.
1658         (record_allocation): Remove size parameter.
1659         * libitm.map (_ITM_realloc): Remove.
1660         * alloc_c.cc (_ITM_realloc): Remove.
1661         (_ITM_malloc): Remove size argument to record_allocation.
1662         (_ITM_calloc): Same.
1663         * alloc_cpp.cc (_ZGTtnwm): Same.
1664         (_ZGTtnwmRKSt9nothrow_t): Same.
1665         (_ZGTtnam): Same.
1666         (_ZGTtnamRKSt9nothrow_t): Same.
1667         * alloc.cc (struct gtm_alloc_action): Remove size.
1668         (get_allocation_size): Remove.
1669         (commit_allocations): Add comment.
1670         (record_allocation): Remove size parameter.
1671         (forget_allocation): Remove set of size.
1673 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1675         * Makefile.am (abi_version): New.
1676         (AM_CXXFLAGS): Pass abi_version.
1677         * Makefile.in: Regenerate.
1678         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1680 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1682         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1683         _ITM_getTMCloneOrIrrevokable.
1684         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1685         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1687 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1689         * configure.ac: Remove Linux futex support.
1690         * configure.tgt (config_path): Same.
1691         * Makefile.am: Same.
1692         * config/linux: Remove entire directory.
1693         * configure: Rebuild.
1694         * Makefile.in: Rebuild.
1695         * testsuite/Makefile.in: Rebuild.
1697 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1699         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1700         switching to serial mode.
1701         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1703 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1705         * configure.tgt: Add emacs -*- tags.
1706         * barrier.tpl: Same.
1708 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1710         * Makefile.am: Rename serial.cc to method-serial.cc.
1711         * Makefile.in: Regenerate with automake 1.11.1.
1712         * testsuite/Makefile.in: Same.
1713         * aclocal.m4: Regenerate with aclocal 1.11.1.
1714         * method-serial.cc: Rename from serial.cc.
1715         * libitm_i.h (struct gtm_transaction): Update comment on
1716         serialirr_mode.
1718 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1720         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1721         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1723 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1725         * configure: Rebuild.
1727 2009-11-12  Richard Henderson  <rth@redhat.com>
1729         * Rewrite everything in C++.
1731 2009-11-03  Richard Henderson  <rth@redhat.com>
1733         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1734         * Makefile.am (libitm_la_SOURCES): Add them.
1735         * configure.ac (ARCH_X86): New conditional.
1736         * Makefile.in, configure: Rebuild.
1737         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1738         Move futex setup into "other system configury" case.
1739         * local.c (rollback_local): Merge into ...
1740         (GTM_rollback_local): ... here.
1741         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1742         (_ITM_LB): Define as an alias to GTM_LB.
1744 2009-11-03  Richard Henderson  <rth@redhat.com>
1746         * method-readonly.c: New file.
1747         * Makefile.am (libitm_la_SOURCES): Add it.
1748         * Makefile.in: Rebuild.
1749         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1750         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1751         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1752         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1753         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1754         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1755         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1756         gtm_get_clock, gtm_inc_clock): New.
1757         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1758         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1759         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1760         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1761         replace uses with new libitm_i.h symbols.
1762         (dispatch_wbetl): Rename from wbetl_dispatch.
1763         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1764         away from dispatch_readonly; abort if the beginTransaction call
1765         asserted that the transaction was readonly.
1767 2009-11-03  Richard Henderson  <rth@redhat.com>
1769         * memset.c: New file.
1770         * Makefile.am (libitm_la_SOURCES): Add it.
1771         * Makefile.in: Rebuild.
1772         * testsuite/libitm.c/memset-1.c: New.
1774 2009-11-03  Richard Henderson  <rth@redhat.com>
1776         * dispatch.c: Remove file.
1777         * useraction.c (struct gtm_user_action): Move from libitm.h.
1778         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1779         (serial_memset, serial_memmove, serial_memcpy): Remove.
1780         (serial_W*, serial_R*): Remove.
1781         (serial_dispatch): Update to match.
1782         * configure.ac: Move Werror down below configure checks.  Don't
1783         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1784         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1785         Use GCC_AC_FUNC_MMAP_BLACKLIST
1786         * libitm.h: Split out all internal items to...
1787         * libitm_i.h: ... here.  New file.
1788         * copymask.c: New file.
1789         * local.c (struct gtm_local_undo): Move from libitm.h.
1790         (GTM_alloc_local): Rename from alloc_local; export.
1791         * memcpy.c: New file.
1792         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1793         * config/posix/page.c: New file.
1794         * config/posix/target_tls.h: Remove file.
1795         * barrier.c: New file.
1796         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1797         copymask.c, page.c.
1798         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1799         * method-wbetl.c: Rewrite for new cacheline methods.
1800         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1802         * config/alpha/sjlj.S: Fix typo.
1803         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1804         * config/alpha/copymask.c: New file.
1805         * config/alpha/target.h (CACHELINE_SIZE): New.
1806         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1808         * config/x86/target_i.h: Copy functions from x86/target.h.
1809         * config/x86/copymask.c: New file.
1810         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1811         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1812         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1813         * config/x86/target_tls.h: Move contents to target_i.h.
1815         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1816         * testsuite/libitm.c/memcpy-1.c: New.
1818 2009-10-22  Richard Henderson  <rth@redhat.com>
1820         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1821         (AM_CCASFLAGS): New.
1822         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1823         saving/restoring _AC_ARG_VAR_PRECIOUS.
1824         * Makefile.in, aclocal.m4, config.h.in, configure,
1825         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1827 2009-10-22  Richard Henderson  <rth@redhat.com>
1829         * testsuite/*: Update for new compiler syntax.
1831 2009-10-21  Richard Henderson  <rth@redhat.com>
1833         * libitm.h (_ITM_abortReason): Add outerAbort.
1835 2009-08-03  Richard Henderson  <rth@redhat.com>
1837         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1838         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1839         * method-wbetl.c (struct w_entry): Remove mask.
1840         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1841         adjust all callers.
1843 2009-07-22  Richard Henderson  <rth@redhat.com>
1845         * eh_cpp.c: New file.
1846         * Makefile.am (libitm_la_SOURCES): Add it.
1847         * Makefile.in: Rebuild.
1848         * beginend.c (GTM_rollback_transaction): Undo exception state.
1849         (GTM_trycommit_transaction): Mark inline.
1850         (GTM_trycommit_and_finalize_transaction): Split out from ...
1851         (_ITM_commitTransaction): ... here.
1852         (_ITM_commitTransactionEH): New function.
1853         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1854         cxa_unthrown, eh_in_flight; reorder.
1856         * testsuite/libitm.c++/c++.exp: New.
1857         * testsuite/libitm.c++/eh-1.C: New.
1859         * aatree.c (aa_free): Remove REGPARM.
1860         * aatree.h: Remove all REGPARM.
1862 2009-07-18  Richard Henderson  <rth@redhat.com>
1864         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1865         * Makefile.am (libitm_la_SOURCES): Add them.
1866         * Makefile.in: Rebuild.
1867         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1868         (GTM_trycommit_transaction): Likewise.
1869         * libitm.h: Include aatree.h
1870         (struct gtm_alloc_action): New.
1871         (struct gtm_transaction): Add alloc_actions.
1872         (GTM_record_allocation, GTM_forget_allocation): Declare.
1873         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1874         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1875         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1876         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1877         _ZGTtdaPvRKSt9nothrow_t): Export.
1879 2009-07-18  Richard Henderson  <rth@redhat.com>
1881         * target_tls.h: Move ...
1882         * config/posix/target_tls.h: ... here.
1884 2009-07-07  Richard Henderson  <rth@redhat.com>
1886         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1888 2009-07-07  Richard Henderson  <rth@redhat.com>
1890         * Update to GPL3.
1892 2009-07-07  Richard Henderson  <rth@redhat.com>
1894         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1895         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1897         * configure.tgt: Don't use -ftls-model for x86 linux.
1898         * libitm.h: Include target.h after standard includes.
1899         (_gtm_thr): Rename from gtm_thr.
1900         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1901         (gtm_disp, set_gtm_disp): New.
1902         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1903         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1904         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1906 2009-07-07  Richard Henderson  <rth@redhat.com>
1908         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1910 2009-07-06  Richard Henderson  <rth@redhat.com>
1912         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1913         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1914         (_ITM_beginTransaction): Take variadic arguments.
1915         (_ITM_registerThrownObject): Declare.
1916         * beginend.c, serial.c: Update.
1917         * libitm.map: Add _ITM_registerThrownObject.
1919 2009-01-28  Richard Henderson  <rth@redhat.com>
1921         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1922         * Makefile.in: Rebuild.
1923         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1924         (GTM_restart_transaction): Fix uninstrumented code check.
1925         * retry.c (GTM_decide_retry_strategy): Add serial check.
1926         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1927         automatically go irrevokable when in serial mode.
1928         * clone.c: New file.
1929         * libitm.h, libitm.map: Update.
1931 2009-01-27  Richard Henderson  <rth@redhat.com>
1933         * Makefile.am (LTCCASCOMPILE): Define.
1934         (libitm_la_SOURCES): Add methid-wbetl.c.
1935         * testsuite/Makefile.am: New
1936         * configure.ac: Add testsuite/Makefile.
1937         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1938         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1939         (_ITM_abortTransaction): Finalize implementation method; pass
1940         transaction properties to longjmp.
1941         (GTM_restart_transaction): Split out from ...
1942         (_ITM_commitTransaction): ... here.
1943         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1944         Move to config/x86/target.h.
1945         * config/linux/alpha/futex_bits.h: New.
1946         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1947         * config/x86/target.h: Disable target types for 32-bit.
1948         * config/alpha/sjlj.S, config/alpha/target.h: New.
1949         * libitm.h (struct gtm_dispatch): Add init, fini.
1950         (enum restart_reason): New.
1951         (struct gtm_transaction): Add method and restarts.
1952         * retry.c (GTM_decide_retry_strategy): Implement.
1953         * serial.c (serial_init, serial_fini): New.
1954         (GTM_serialmode): Finialize outgoing method.
1955         * method-wbetl.c: New.
1957 2008-12-09  Richard Henderson  <rth@redhat.com>
1959         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1960         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1961         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1962         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1963         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1964         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1965         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1966         * serial.c (serial_R##T, serial_W##T): Likewise.
1968 2008-11-21  Richard Henderson  <rth@redhat.com>
1970         * Initial commit.
1972 Copyright (C) 2008-2016 Free Software Foundation, Inc.
1974 Copying and distribution of this file, with or without modification,
1975 are permitted in any medium without royalty provided the copyright
1976 notice and this notice are preserved.