PR tree-optimization/78608 - gimple-ssa-sprintf.c:570:17: runtime error: negation...
[official-gcc.git] / libitm / ChangeLog
blob0677c6dbd60c3c28defeef22e211ae9fd1651e1f
1 2017-01-04  Alan Modra  <amodra@gmail.com>
3         * Makefile.in: Regenerate.
4         * testsuite/Makefile.in: Regenerate.
6 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
8         Update copyright years.
10         * libitm.texi: Bump @copying's copyright year.
12 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
15         * aclocal.m4: Regenerate.
16         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
17         LIBITM_CHECK_LINKER_HWCAP.
19 2016-11-15  Matthias Klose  <doko@ubuntu.com>
21         * configure: Regenerate.
23 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
25         PR libitm/70456
26         * util.cc (xmalloc): Use posix_memalign to allocate memory on
27         on cache line if requested.
29 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
31         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
32         function attribute to disable floating point in begin_transaction() on
33         S/390.
34         * beginend.cc (begin_transaction): Use
35         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
37 2016-01-22  Torvald Riegel  <triegel@redhat.com>
39         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
40         boundary.
41         (htm_fastpath): Remove.
42         (gtm_thread::begin_transaction): Fix HTM fastpath.
43         (_ITM_commitTransaction): Adapt.
44         (_ITM_commitTransactionEH): Adapt.
45         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
46         and accessors.
47         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
48         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
49         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
50         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
51         * libitm/method-serial.cc (htm_mg): Adapt.
52         (gtm_thread::serialirr_mode): Adapt.
53         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
55 2016-01-21  Torvald Riegel  <triegel@redhat.com>
57         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
58         or AIX.
60 2016-01-19  Richard Henderson  <rth@redhat.com>
62         PR bootstrap/69343
63         PR bootstrap/69339
64         Revert:
65         2016-01-13  Richard Henderson  <rth@redhat.com>
67         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
68         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
69         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
70         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
71         * configure.ac (ARCH_AARCH64): New conditional.
72         (ARCH_PPC, ARCH_S390): Likewise.
73         * Makefile.in, configure: Rebuild.
75         * libitm.h (_ITM_TYPE_M128): Always define.
76         * vect64.cc: Split ...
77         * vect128.cc: ... out of...
78         * config/x86/x86_sse.cc: ... here.
79         * config/arm/neon.cc: New file.
81 2016-01-19  Torvald Riegel  <triegel@redhat.com>
83         * local_type_traits: Remove file.
84         * libitm_i.h: Don't include it anymore.
85         (sized_integral): Remove.
87 2016-01-16  Torvald Riegel  <triegel@redhat.com>
89         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
90         safety.
91         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
92         * libitm/testsuite/libitm.c/priv-1.c: New.
94 2015-01-15  Torvald Riegel  <triegel@redhat.com>
96         testsuite/libitm.c++/libstdc++-safeexc.C: New.
98 2016-01-13  Torvald Riegel  <triegel@redhat.com>
100         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
101         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
102         (gtm_rwlock::write_unlock): Likewise.
104 2016-01-13  Richard Henderson  <rth@redhat.com>
106         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
107         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
108         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
109         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
110         * configure.ac (ARCH_AARCH64): New conditional.
111         (ARCH_PPC, ARCH_S390): Likewise.
112         * Makefile.in, configure: Rebuild.
114         * libitm.h (_ITM_TYPE_M128): Always define.
115         * vect64.cc: Split ...
116         * vect128.cc: ... out of...
117         * config/x86/x86_sse.cc: ... here.
118         * config/arm/neon.cc: New file.
120 2016-01-13  Torvald Riegel  <triegel@redhat.com>
122         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
123         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
124         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
125         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
126         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
127         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
128         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
129         (serialirr_dispatch::snapshot_most_recent): New.
130         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
132 2016-01-12  Torvald Riegel  <triegel@redhat.com>
134         * libitm_i.h (gtm_mask_stack): Remove.
135         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
136         * stmlock.h: Remove file.
137         * config/alpha/cacheline.h: Likewise.
138         * config/generic/cacheline.h: Likewise.
139         * config/powerpc/cacheline.h: Likewise.
140         * config/sparc/cacheline.h: Likewise.
141         * config/x86/cacheline.h: Likewise.
143 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
145         Update copyright years.
147         * libitm.texi: Bump @copying's copyright year.
149 2015-11-26  Torvald Riegel  <triegel@redhat.com>
151         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
152         (ml_wt_dispatch::pre_write): Adapt.
153         (ml_wt_dispatch::pre_load): Likewise.
155 2015-11-22  Torvald Riegel  <triegel@redhat.com>
157         * libitm_i.h (gtm_alloc_action): Remove union.
158         * testsuite/libitm.c/alloc-1.c: New.
160 2015-11-19  Torvald Riegel  <triegel@redhat.com>
162         * testsuite/libitm.c++/eh-5.C: New.
163         * libitm.h (_ITM_cxa_free_exception): New.
164         * libitm.map (_ITM_cxa_free_exception): Add it.
165         * libitm.texi: Update ABI docs.
166         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
167         (gtm_transaction_cp::cxa_uncaught_count): Add.
168         (gtm_thread::cxa_unthrown): Remove.
169         (gtm_thread::cxa_uncaught_count_ptr): Add.
170         (gtm_thread::cxa_uncaught_count): Add.
171         (gtm_thread::drop_references_allocations): Rename to...
172         (gtm_thread::discard_allocation): ... this and adapt.
173         (gtm_thread::init_cpp_exceptions): New.
174         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
175         (gtm_thread::begin_transaction): Likewise.
176         (gtm_transaction_cp::save): Likewise.
177         (gtm_thread::trycommit): Likewise.
178         * eh_cpp.cc: Add overview comments.
179         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
180         (free_any_exception, _ITM_cxa_free_exception): New.
181         (gtm_thread::init_cpp_exceptions): Define.
182         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
183         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
184         (gtm_thread::revert_cpp_exceptions): Likewise.
186 2015-11-09  Torvald Riegel  <triegel@redhat.com>
188         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
189         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
190         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
191         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
192         (gtm_thread::forget_allocations): New overload with size_t argument.
193         * alloc.c (gtm_thread::forget_allocation): Define new overload and
194         adapt existing one.
195         (gtm_thread::record_allocation): Adapt.
196         (gtm_thread::commit_allocations_1): Adapt.
197         (gtm_thread::commit_allocations_2): Adapt.
198         * testsuite/libitm.c++/newdelete.C: New.
200 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
201             Joseph Myers  <joseph@codesourcery.com>
202             Mark Shinwell  <shinwell@codesourcery.com>
203             Andrew Stubbs  <ams@codesourcery.com>
204             Rich Felker <dalias@libc.org>
206         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
207         GTM_begin_transaction for compatibility with FDPIC.
209 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
211         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
212         using load_gcc_lib.
214 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
216         PR libitm/61164
217         * local_atomic (__always_inline): Rename to...
218         (__libitm_always_inline): ... this.
220 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
222         PR target/52482
223         * config/powerpc/sjlj.S: Port to Xcode 2.5.
225 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
227         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
228         operands "op" and "val" to int.
230 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
232         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
233         "op" and "val" to int.
235 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
237         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
238         "op" and "val" to int.
240 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
242         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
243         Declare as static int.
244         (FUTEX_PRIVATE_FLAG): Remove L suffix.
245         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
247 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
249         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
250         sys_futex0 function.
252 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
254         * Makefile.in: Regenerated with automake-1.11.6.
255         * aclocal.m4: Likewise.
256         * configure: Likewise.
257         * testsuite/Makefile.in: Likewise.
259 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
261         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
262         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
264 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
266         PR libitm/64360
267         * libitm.c/stackundo.c (test2): Make it static.
268         (test1): Likewise.
270 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
272         Update copyright years.
274 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
276         * libitm.texi: Bump @copying's copyright year.
278 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
280         * testsuite/lib/libitm.exp: Load target-utils.exp.
281         Move load of target-supports.exp earlier.
283 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
285         * configure.tgt (x86_64): Tune -m32 multilib to generic.
287 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
289         PR bootstrap/63784
290         * configure: Regenerated.
292 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
294         PR target/63610
295         * configure: Regenerate.
297 2014-10-06  Marek Polacek  <polacek@redhat.com>
299         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
300         * testsuite/libitm.c/memset-1.c: Likewise.
302 2014-07-24  Richard Henderson  <rth@redhat.com>
304         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
305         addressing mode in epilogue.
307 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
309         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
310         -mclear-hwcap instead.
311         * configure: Regenerate.
312         * clearcap.map: Remove.
314 2014-05-21  John Marino  <gnugcc@marino.st>
316         * configure.tgt (*-*-dragonfly*): New target.
318 2014-05-19  Richard Henderson  <rth@redhat.com>
320         * config/aarch64/sjlj.S: New file.
321         * config/aarch64/target.h: New file.
322         * configure.tgt: Enable aarch64.
324 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
326         * config/generic/asmcfi.h: Also check for
327         __GCC_HAVE_DWARF2_CFI_ASM.
329 2013-04-02  Richard Henderson  <rth@redhat.com>
331         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
332         * config/arm/target.h, config/sh/target.h: Likewise.
333         * config/sparc/target.h, config/x86/target.h: Likewise.
335 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
337         * config/linux/futex_bits.h: Include errno.h.
338         (sys_futex0): If syscall returns -1, return -errno rather than
339         -1.
341 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
343         * libitm.texi (Index): Rename to Library Index.
345 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
347         PR libitm/53113
348         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
349         (x86_avx.lo): Append -mavx to CXXFLAGS.
350         * Makefile.in: Regenerate.
352 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
354         Update copyright years
356 2014-01-02  Tobias Burnus  <burnus@net-b.de>
358         * libitm.texi: Bump @copying's copyright year.
360 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
362         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
363         (FUNC): Define ELFv2 variant.
364         (END): Likewise.
365         (HIDDEN): Likewise.
366         (CALL): Likewise.
367         (BASE): Likewise.
368         (LR_SAVE): Likewise.
370 2013-09-20  Alan Modra  <amodra@gmail.com>
372         * configure: Regenerate.
374 2013-08-30  Torvald Riegel  <triegel@redhat.com>
376         * config/posix/rwlock.cc: Fix initialization order.
378 2013-08-30  Torvald Riegel  <triegel@redhat.com>
380         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
381         (htm_fastpath): Assign an asm name.
382         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
383         HTM fast paths.
384         (_ITM_actions): Likewise.
385         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
386         x86_64.
387         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
388         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
389         field to the start of the structure.
390         * config/linux/rwlock.h (gtm_rwlock): Update comments.
391         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
392         handling for custom HTM fast paths.
394 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
395         Revert:
396         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
398         * configure.tgt: Add -msoft-float to XCFLAGS.
400 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
402         * configure.tgt: Add -msoft-float to XCFLAGS.
404 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
406         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
407         (htm_transaction_active): Enable zEC12 instructions in the
408         assembler.
409         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
411 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
413         * acinclude.m4: Add htm asm check for s390.
414         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
415         * configure: Regenerate.
416         * config/s390/target.h: Remove __HTM__ check.
417         (htm_available): Call getauxval to get hwcaps and check whether
418         HTM is available or not.
420 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
422         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
423         * configure.ac: Use it.
424         (AC_CHECK_HEADERS): Check for sys/auxv.h.
425         (AC_CHECK_FUNCS): Check for getauxval.
426         * config.h.in, configure: Rebuild.
427         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
428         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
429         (USE_HTM_FASTPATH): Define.
430         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
431         _HTM_RETRIES) New macros.
432         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
433         htm_begin_success, htm_commit, htm_transaction_active): New functions.
435 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
437         * config/s390/target.h: Include htmintrin.h.
438         (_HTM_ITM_RETRIES): New macro definition.
439         (htm_available, htm_init, htm_begin, htm_begin_success)
440         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
442 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
443             Cesar Philippidis  <cesar@codesourcery.com>
445         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
446         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
447         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
448         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
450 2013-06-20  Torvald Riegel  <triegel@redhat.com>
452         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
453         (_ITM_getTransactionId): Same.
454         * config/x86/target.h (htm_transaction_active): New.
456 2013-06-20  Torvald Riegel  <triegel@redhat.com>
458         PR libitm/57643
459         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
460         the HTM fastpath.
462 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
464         PR bootstrap/56714
465         * local_atomic (__always_inline): Always define our version.
466         (__calculate_memory_order): Mark inline.
467         (atomic_thread_fence): Ditto.
468         (atomic_signal_fence): Ditto.
469         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
470         (atomic_bool::atomic_flag_clear_explicit): Ditto.
471         (atomic_bool::atomic_flag_test_and_set): Ditto.
472         (atomic_bool::atomic_flag_clear): Ditto.
474 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
476         * config/s390/sjlj.S: New file.
477         * config/s390/target.h: New file.
478         * configure.tgt: Set options for S/390.
480 2013-03-23  Andi Kleen  <ak@linux.intel.com>
482         * local_atomic (__always_inline): Add.
483         (__calculate_memory_order, atomic_thread_fence,
484          atomic_signal_fence, test_and_set, clear, store, load,
485          exchange, compare_exchange_weak, compare_exchange_strong,
486          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
487         Add __always_inline to force inlining.
489 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
490             Jack Howarth  <howarth@bromo.med.uc.edu>
491             Patrick Marlier  <patrick.marlier@gmail.com>
493         PR libitm/55693
494         * alloc_cpp.cc: Enable function declarations on darwin.
495         * eh_cpp.cc: Likewise.
497 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
499         Update copyright years.
501 2012-11-09  Torvald Riegel  <triegel@redhat.com>
503         * beginend.cc (htm_fastpath): New.
504         (gtm_thread::begin_transaction, _ITM_commitTransaction,
505         _ITM_commitTransactionEH): Add HTM fastpath handling.
506         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
507         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
508         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
509         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
510         * configure.tgt: Add -mrtm to XCFLAGS.
511         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
512         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
513         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
514         * retry.cc (parse_default_method): Add HTM method parsing.
515         (gtm_thread::number_of_threads_changed): Use HTM by default if
516         available.
518 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
520         * configure: Regenerate.
522 2012-10-31  Richard Henderson  <rth@redhat.com>
524         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
525         * configure.ac: Use it.
526         * config.h.in, configure: Rebuild.
527         * testsuite/Makefile.in: Rebuild.
529 2012-10-24  Torvald Riegel  <triegel@redhat.com>
531         * libitm.texi: Clarify ABI requirements for data-logging functions.
533 2012-10-24  Torvald Riegel  <triegel@redhat.com>
535         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
536         it requires serial mode instead of assuming that for certain
537         dispatchs.
538         * dispatch.h (abi_dispatch::requires_serial): New.
539         (abi_dispatch::abi_dispatch): Adapt.
540         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
541         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
542         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
543         serial_dispatch::serial_dispatch,
544         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
546 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
548         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
549         and ia32 declarations some more.
550         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
552 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
554         PR other/43620
555         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
556         * configure: Regenerate.
557         * Makefile.in: Regenerate.
559 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
561         * configure: Regenerated.
563 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
565         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
567 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
569         * eh_cpp.cc: Fix __cxa_end_catch declaration.
571 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
573         * configure: Regenerated.
575 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
577         PR libitm/52854
578         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
579         for x86-64.
581 2012-04-03  Tristan Gingold  <gingold@adacore.com>
583         * configure: Regenerate.
585 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
587         PR bootstrap/52812
588         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
590 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
592         * testsuite/lib/libitm.exp: load fortran-modules.exp
594 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
596         * configure.tgt (*-*-irix6*): Remove.
598 2012-03-13  Torvald Riegel  <triegel@redhat.com>
600         PR libitm/52526
601         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
602         wake-up.
604 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
606         * configure.tgt (*-*-osf*): Remove.
607         * configure: Regenerate.
609 2012-03-05  Torvald Riegel  <triegel@redhat.com>
611         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
612         memtransfer/memset if size isn't larger than zero.
614 2012-03-02  Torvald Riegel  <triegel@redhat.com>
616         * libitm.texi: Link to specification and add a usage example.
618 2012-02-24  Torvald Riegel  <triegel@redhat.com>
620         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
621         default dispatch for more than 1 thread to ml_wt.
623 2012-02-20  Torvald Riegel  <triegel@redhat.com>
625         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
627 2012-02-20  Torvald Riegel  <triegel@redhat.com>
629         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
631 2012-02-20  Torvald Riegel  <triegel@redhat.com>
633         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
634         serial mode corner cases made obsolete by prior gtm_rwlock changes.
635         (gl_wt_dispatch.rollback): Same.
637 2012-02-20  Torvald Riegel  <triegel@redhat.com>
639         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
641 2012-02-20  Torvald Riegel  <triegel@redhat.com>
643         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
644         for RfW src.  Optimize number of calls to gtm_thr.
646 2012-02-20  Torvald Riegel  <triegel@redhat.com>
648         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
649         acquisition to ...
650         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
651         (default_dispatch): Make atomic.
652         (GTM::gtm_thread::set_default_dispatch): Access atomically.
653         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
654         use decide_begin_dispatch() if default_dispatch might have changed.
655         (GTM::gtm_thread::number_of_threads_changed): Initialize
656         default_dispatch here.
658 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
659             Patrick Marlier  <patrick.marlier@gmail.com>
661         PR libitm/52220
662         * alloc_cpp.cc: No dummy definitions for darwin.
663         * eh_cpp.cc: Likewise.
665 2012-02-14  Richard Henderson  <rth@redhat.com>
667         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
669 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
671         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
673 2012-02-14  Torvald Riegel  <triegel@redhat.com>
675         * libitm_i.h (GTM::gtm_rwlog_entry): New.
676         (GTM::gtm_thread): Add read and write logs.
677         (GTM::dispatch_ml_wt): Declare.
678         * retry.cc (parse_default_method): Support ml_wt.
679         * method-ml.cc: New file.
680         * Makefile.am: Add method-ml.cc.
681         * Makefile.in: Regenerate.
683 2012-02-14  Torvald Riegel  <triegel@redhat.com>
685         * dispatch.h (GTM::abi_dispatch::supports): New.
686         (GTM::method_group::reinit): New.
687         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
688         (GTM::gtm_thread::number_of_threads_changed): Check that the method
689         supports the current situation.
691 2012-02-14  Torvald Riegel  <triegel@redhat.com>
693         * util.cc (GTM::xcalloc): New.
694         * common.h (GTM::xcalloc): Declare.
696 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
698         * config/sparc/target.h (cpu_relax): Read from CC register.
699         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
701 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
703         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
705 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
707         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
708         * config/sparc/cacheline.h: New file.
709         * config/sparc/target.h: Likewise.
710         * config/sparc/sjlj.S: Likewise.
711         * config/linux/sparc/futex_bits.h: Likewise.
713 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
715         * configure.ac (link_itm): Fix comment.
716         * configure: Regenerate.
717         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
719 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
721         PR libitm/51822
722         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
723         Correct libgomp references.
725 2012-01-24  Torvald Riegel  <triegel@redhat.com>
727         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
728         wake-up.
730 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
732         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
733         end of structure.
734         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
735         offset values.  Do not copy return address.  Decrement stack
736         by 56 bytes only.
737         (GTM_longjump) [__x86_64__]: Update offset values.
739 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
741         PR libitm/51830
742         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
743         the first function argument to %eax.
745 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
747         * libitm.h (_ITM_getThreadnum): Remove.
748         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
750 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
752         * clearcap.map: New file.
753         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
754         * configure.ac: Call it.
755         Clear HWCAP_LDFLAGS if defaulting to -mavx.
756         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
757         * configure: Regenerate.
758         * Makefile.in: Regenerate.
759         * testsuite/Makefile.in: Regenerate.
761 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
763         PR libitm/51173
764         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
765         include, exclude options.
767 2012-01-14  Torvald Riegel  <triegel@redhat.com>
769         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
770         rolling back.
771         * containers.h (GTM::vector::set_size): New.
773 2012-01-14  Torvald Riegel  <triegel@redhat.com>
775         PR libitm/51855
776         * config/generic/tls.h (GTM::mask_stack_top): New.
777         (GTM::mask_stack_bottom): Declare.
778         * config/generic/tls.c (GTM::mask_stack_bottom): New.
779         * local.cc (gtm_undolog::rollback): Filter out any updates that
780         overlap the libitm stack.  Add current transaction as parameter.
781         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
782         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
783         * testsuite/libitm.c/stackundo.c: New test.
785 2012-01-10  Richard Henderson  <rth@redhat.com>
787         * libitm_i.h (_Unwind_DeleteException): Declare weak.
788         * eh_cpp.cc (_Unwind_DeleteException): Define for
789         !HAVE_ELF_STYLE_WEAKREF.
791 2012-01-08  Torvald Riegel  <triegel@redhat.com>
793         * local.cc (GTM_LB): Use GTM::gtm_undolog.
794         (GTM::gtm_thread::drop_references_undolog): Remove.
795         (GTM::gtm_thread::commit_undolog,
796         GTM::gtm_thread::rollback_undolog): Move to ...
797         * libitm_i.h (GTM::gtm_undolog): ...here. New.
798         (GTM::gtm_undolog_entry): Remove.
799         (GTM::gtm_thread): Adapt.
800         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
801         (GTM::gtm_thread::trycommit): Adapt.
802         * method-serial.cc (serial_dispatch::log): Adapt.
803         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
804         (gl_wt_dispatch::store): Fix likely/unlikely.
805         * containers.h (GTM::vector::resize): Add additional_capacity
806         parameter and handle it.
807         (GTM::vector::resize_noinline): New/adapt.
808         (GTM::vector::push): New.
810 2012-01-06  Richard Henderson  <rth@redhat.com>
812         * configure.tgt: Support powerpc-linux and powerpc-darwin.
813         * config/linux/powerpc/futex_bits.h: New file.
814         * config/powerpc/cacheline.h: New file.
815         * config/powerpc/sjlj.S: New file.
816         * config/powerpc/target.h: New file.
817         * config/generic/asmcfi.h (cfi_offset): New.
818         (cfi_restore, cfi_undefined): New.
820 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
822         PR other/51171
823         * testsuite/libitm.c/reentrant.c: Remove xfail.
824         (thread): Pass x to pure().
825         From Patrik Marlier <patrick.marlier@gmail.com>.
827 2011-12-24  Torvald Riegel  <triegel@redhat.com>
829         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
830         privatization safety if already in serial mode.
832 2011-12-24  Torvald Riegel  <triegel@redhat.com>
834         * beginend.cc (GTM::gtm_thread::restart): Add and handle
835         finish_serial_upgrade parameter.
836         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
837         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
838         Don't unset reader flag.
839         (GTM::gtm_rwlock::write_upgrade_finish): New.
840         * config/posix/rwlock.cc: Same.
841         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
842         Declare.
843         * config/posix/rwlock.h: Same.
844         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
845         flag after commit or after rollback when restarting.
847 2011-12-24  Torvald Riegel  <triegel@redhat.com>
849         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
850         (GTM::gtm_thread::try_commit): Changed memory order.
851         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
852         as parameter.
853         * config/linux/x86/futex_bits.h (sys_futex0): Same.
854         * config/linux/sh/futex_bits.h (sys_futex0): Same.
855         * config/linux/futex_bits.h (sys_futex0): Same.
856         * config/linux/futex.cc (futex_wait, futex_wake): Same.
857         * config/linux/futex.h (futex_wait, futex_wake): Same.
858         * config/linux/rwlock.h (gtm_rwlock::writers,
859         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
860         ints.
861         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
862         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
863         gtm_rwlock::write_unlock): Fix memory orders and fences.
864         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
865         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
866         gtm_rwlock::write_unlock): Same.
867         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
868         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
869         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
870         Add comments.
871         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
872         gl_wt_dispatch::load, gl_wt_dispatch::store,
873         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
874         orders and fences.  Add comments.
876 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
878         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
879         * Makefile.in: Regenerated.
881 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
883         * configure.tgt: Add sh* case.
884         * config/sh/target.h: New file.
885         * config/sh/sjlj.S: New file.
886         * config/linux/sh/futex_bits.h: New file.
888 2011-12-14  Richard Henderson  <rth@redhat.com>
890         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
891         * config/arm/sjlj.S, config/arm/target.h: New files.
892         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
893         (cfi_rel_offset): New.
894         * config/linux/futex_bits.h: New file.
895         * config/linux/futex.cc: Include futex_bits.h here...
896         * config/linux/futex.h: ... not here.
897         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
898         * configure.ac (ARCH_AM): New conditional.
899         * Makefile.in, configure: Rebuild.
900         * configure.tgt: Handle ARM.
902 2011-12-13  Richard Henderson  <rth@redhat.com>
904         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
905         signed/unsigned comparison werror.
907         * local_atomic: New file.
908         * libitm_i.h: Include it.
909         (gtm_thread::shared_state): Use atomic template.
910         * beginend.cc (GTM::gtm_clock): Use atomic template.
911         (global_tid): Use atomic template if 64-bit atomics available.
912         (gtm_thread::gtm_thread): Update shared_state access.
913         (gtm_thread::trycommit): Likewise.
914         (choose_code_path): Update global_tid access.
915         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
916         * stmlock.h (GTM::gtm_clock): Use atomic template.
917         (gtm_get_clock, gtm_inc_clock): Update accesses.
918         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
919         redundant __sync_synchronize after atomic shared_state access.
920         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
921         (gtm_rwlock::write_lock_generic): Likewise.
922         (gtm_rwlock::read_unlock): Likewise.
923         * config/alpha/target.h (atomic_read_barrier): Remove.
924         (atomic_write_barrier): Remove.
925         * config/x86/target.h (atomic_read_barrier): Remove.
926         (atomic_write_barrier): Remove.
928 2011-11-30  Richard Henderson  <rth@redhat.com>
930         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
931         * beginend.c (_ITM_abortTransaction): Update to match.
932         (GTM::gtm_thread::restart): Likewise.
933         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
934         * config/x86/sjlj.S (GTM_longjmp): Likewise.
936 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
938         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
939         * Makefile.in: Regenerate.
941 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
943         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
944         * alloc_cpp.cc: Generate dummy functions if we don't
945         HAVE_ELF_STYLE_WEAKREF.
946         * eh_cpp.cc: Likewise.
947         * configure: Regenerate.
948         * aclocal.m4:  Likewise.
949         * config.h.in: Likewise.
950         * Makefile.in: Likewise.
951         * testsuite/Makefile.in: Likewise.
953 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
955         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
956         __USER_LABEL_PREFIX__ for targets that use it.
957         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
958         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
959         in portability to non-elf targets.
960         (GTM_longjmp): Likewise.
961         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
962         where required.
964 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
966         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
967         * testsuite/libitm.c/memset-1.c: Likewise.
969 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
971         * configure: Regenerate.
973 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
975         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
976         (LIBITM_ENABLE_SYMVERS): Handle sun style.
977         * Makefile.am: Handle sun style versioning.
978         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
979         * configure: Regenerate.
980         * Makefile.in: Regenerate.
982 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
984         * config/generic/asmcfi.h: Fix comment.
985         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
986         sequence without .hidden support, error for non-ELF targets.
987         (GTM_longjmp) [__ELF__]: Only use .hidden if
988         HAVE_ATTRIBUTE_VISIBILITY.
990 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
992         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
993         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
994         Dummy functions.
995         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
996         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
998 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1000         PR bootstrap/51098
1001         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1002         * configure: Regenerate.
1004 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1006         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1008 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1010         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1011         .hidden.
1012         (.note.GNU-stack): Only use if __linux__.
1013         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1014         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1015         * testsuite/libitm.c/reentrant.c: Likewise.
1016         * testsuite/libitm.c/simple-2.c: Likewise.
1017         * testsuite/libitm.c/txrelease.c: Likewise.
1018         * testsuite/libitm.c++/static_ctor.C: Likewise.
1020 2011-11-10  Richard Henderson  <rth@redhat.com>
1022         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1023         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1024         * configure.ac (ARCH_X86_AVX): New conditional.
1025         * Makefile.in, configure: Rebuild.
1027 2011-11-09  Richard Henderson  <rth@redhat.com>
1029         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1030         * configure.ac: Use it.
1031         * config.h.in, configure: Rebuild.
1032         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1034 2011-11-09  Richard Henderson  <rth@redhat.com>
1036         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1037         * config/alpha/unaligned.h: Remove file.
1038         * config/generic/unaligned.h: Remove file.
1039         * config/x86/unaligned.h: Remove file.
1040         * config/generic/cachepage.h: Remove file.
1041         * config/posix/cachepage.cc: Remove file.
1042         * config/generic/cacheline.cc: Remove file.
1043         * config/x86/cacheline.cc: Remove file.
1044         * config/generic/cacheline.h (gtm_cacheline): Remove the
1045         store_mask, copy_mask, copy_mask_wb methods.
1046         * config/x86/cacheline.h: Likewise.
1047         * config/alpha/cacheline.h: Fall back to generic after setting size.
1048         * config/generic/tls.cc (gtm_mask_stack): Remove.
1049         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1050         (GTM_vpalignr_table): Remove.
1051         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1052         (GTM_pshift_table): Remove.
1053         * config/libitm_i.h: Don't include cachepage.h.
1054         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1055         * Makefile.in, testsuite/Makefile.in: Rebuild.
1057 2011-11-09  Richard Henderson  <rth@redhat.com>
1059         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1060         to emit branch prediction hint.
1062         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1063         Protect .note.GNU-stack with __linux__.
1065         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1066         * configure, aclocal.m4, config.h.in: Rebuild.
1067         * config/generic/asmcfi.h: New file.
1068         * config/x86/sjlj.S: Use it.
1070 2011-11-08  Richard Henderson  <rth@redhat.com>
1072         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1074 2011-11-08  Richard Henderson  <rth@redhat.com>
1076         * configure.tgt: Test correct directory for supported cpus.
1078         * configure.ac: Exit if unsupported.
1079         * configure: Rebuild.
1080         * configure.tgt: Delete boilerplate from libgomp for unsupported
1081         targets.  Set UNSUPPORTED for unsupported targets.
1083 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1085         * configure.tgt: Handle i386 like i[456]86.
1086         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1087         take address.
1088         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1089         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1091 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1093         * method-wbetl.cc: Update copyright notice.
1094         * aatree.cc: Same.
1095         * util.cc: Same.
1096         * libitm.h: Same.
1097         * memset.cc: Same.
1098         * eh_cpp.cc: Same.
1099         * barrier.tpl: Same.
1100         * useraction.cc: Same.
1101         * stmlock.h: Same.
1102         * memcpy.cc: Same.
1103         * common.h: Same.
1104         * config/generic/tls.cc: Same.
1105         * config/generic/cacheline.h: Same.
1106         * config/generic/cachepage.h: Same.
1107         * config/generic/cacheline.cc: Same.
1108         * config/generic/unaligned.h: Same.
1109         * config/x86/cacheline.h: Same.
1110         * config/x86/cacheline.cc: Same.
1111         * config/x86/unaligned.h: Same.
1112         * config/alpha/cacheline.h: Same.
1113         * config/alpha/unaligned.h: Same.
1114         * config/alpha/sjlj.S: Same.
1115         * config/posix/cachepage.cc: Same.
1116         * config/linux/futex.h: Same.
1117         * config/linux/alpha/futex_bits.h: Same.
1119 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1121         * libitm.texi: No cover text and invariant sections.
1123 2011-11-03  Richard Henderson  <rth@redhat.com>
1125         * local_type_traits: New file.
1126         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1128 2011-11-03  Richard Henderson  <rth@redhat.com>
1130         * configure.ac: Don't test for gfortran.
1131         * configure: Rebuild.
1133         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1134         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1136 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1138         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1139         * testsuite/libitm.c/memset-1.c: Same.
1140         * testsuite/libitm.c/c.exp: Same.
1141         * testsuite/lib/libitm-dg.exp: Same.
1142         * testsuite/lib/libitm.exp: Same.
1143         * testsuite/libitm.c++/c++.exp: Same.
1145 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1147         * testsuite/config/default.exp: Update copyright date.
1148         * configure.ac: Add copyright info.
1149         * configure.tgt: Same.
1151 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1153         * testsuite/libitm.c/reentrant.c: XFAIL.
1154         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1156 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1158         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1159         handle aborts.
1160         (_ITM_abortTransaction): Handle aborts of outer transactions.
1161         * libitm_i.h: Same.
1162         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1163         * libitm.texi: Document aborts of outer transactions.
1164         * testsuite/libitm.c/cancel.c: New file.
1166 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1168         * testsuite/*: Change __transaction to __transaction_atomic or
1169         __transaction_relaxed.
1171 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1173         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1174         (gtm_thr): Same.
1176 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1178         * libitm_i.h: Add gl_wt dispatch.
1179         * retry.cc (parse_default_method): Same.
1180         * method-gl.cc: New file.
1181         * Makefile.am: Use method-gl.cc.
1182         * Makefile.in: Rebuild.
1184 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1186         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1187         safety if requested by a TM method.
1188         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1189         privatization safety.
1190         * method-serial.cc: Same.
1192 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1194         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1195         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1196         undolog-related member functions from *_local to *_undolog.
1197         * local.cc (gtm_thread::commit_undolog): Same.
1198         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1199         (GTM::gtm_thread::rollback): Roll back undolog before
1200         dispatch-specific rollback.
1202 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1204         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1205         re-initialization of the current method group.
1206         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1208 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1210         * alloc.cc (commit_allocations_2): Do not free transaction-local
1211         memory when committing a nested transaction.
1213 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1215         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1216         serial-irrevocable dispatch, not serial.
1218 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1220         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1221         declarations.
1222         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1223         * method-serial.cc: Implement begin_or_restart().
1224         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1225         dispatch-specific begin_or_restart().
1226         (GTM::gtm_thread::restart): Same.
1228 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1230         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1231         restarting without switching to serial mode.
1232         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1233         transaction state. Choose closed-nesting alternative if available.
1234         (GTM::gtm_thread::set_default_dispatch): New.
1235         (parse_default_method): New.
1236         (GTM::gtm_thread::number_of_threads_changed): New.
1237         * method-serial.cc (GTM::serial_mg): New method group class.
1238         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1239         fini.
1240         (GTM::serial_dispatch): Same.
1241         (GTM::serialirr_onwrite_dispatch): Same.
1242         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1243         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1244         registered threads.
1245         (GTM::gtm_thread::gtm_thread): Same.
1246         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1247         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1248         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1249         choose dispatch but set state according to dispatch here.
1250         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1251         (GTM::method_group): New class.
1252         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1253         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1254         * libitm.texi: Document TM methods, method groups, method life cycle.
1255         Rename method sets to method groups.
1257 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1259         * config/x86/tls.h: Moved to ...
1260         * config/linux/x86/tls.h: ... here.
1262 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1264         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1265         Add X32 support.
1266         * config/x86/sjlj.S: Same.
1268 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1270         * config/linux/rwlock.h: New file.
1271         * config/linux/rwlock.c: New file.
1272         * configure.ac: Reenable futex support (undo SVN rev 157758).
1273         * Makefile.am: Same.
1274         * configure.tgt: Same.
1275         * config/linux/alpha/futex_bits.h: Same.
1276         * config/linux/futex.h: Same. Return number of woken processes.
1277         * config/linux/futex.cc: Same.
1278         (futex_wait): Remove spinning.
1279         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1280         Use __x86_64__ instead of __LP64__.
1281         * aclocal.m4: Include generic futex checks.
1282         * configure: Rebuild.
1283         * Makefile.in: Rebuild.
1284         * testsuite/Makefile.in: Rebuild.
1285         * beginend.cc: Include pthread.h.
1286         * config/posix/cachepage.cc: Same.
1288 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1290         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1291         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1292         (set_gtm_thr): New.
1293         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1294         (set_gtm_thr): New.
1295         (GTM::gtm_thread::thread_num): Removed.
1296         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1297         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1298         tx-to-thread renaming.
1299         * beginend.cc: Adapted to tx-to-thread renaming.
1300         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1301         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1302         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1303         gtm_transaction to gtm_thread.
1304         (_ITM_getThreadnum): Removed. Not supported anymore.
1305         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1306         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1307         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1308         gtm_tx-to-gtm_thr renaming if necessary.
1309         * eh_cpp.cc: Same.
1310         * local.cc: Same.
1311         * retry.cc: Same.
1312         * clone.cc: Same.
1313         * alloc.cc: Same.
1314         * alloc_c.cc: Same.
1315         * alloc_cpp.cc: Same.
1316         * method-serial.cc: Same.
1317         * config/generic/tls.cc: Same.
1318         * config/posix/rwlock.h (gtm_rwlock): Same.
1319         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1321 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1323         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1324         implementation.
1325         (gtm_rwlock::read_unlock): Same.
1326         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1327         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1328         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1329         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1330         w_upgrade. Replaced by per-transaction flags (in shared_state).
1331         Added c_confirmed_writers.
1332         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1333         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1334         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1335         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1336         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1337         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1338         * libitm.texi: Document locking conventions and implementations in
1339         libitm.
1341 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1343         * libitm_i.h (next_tx): Add list of all threads' transaction.
1344         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1345         transaction with list of transactions and ...
1346         (thread_exit_handler): ... deregister here.
1347         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1348         * config/x86/target.h: Same.
1350 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1352         * testsuite/libitm.c++/static_ctor.C: New file.
1354 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1356         * testsuite/libitm.c/reentrant.c: New file.
1358 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1360         * config/generic/tls.h: Remove the free list for transactions and ...
1361         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1362         (GTM::gtm_transaction::operator delete): ... and release here.
1363         (thread_exit_handler): New. Delete tx when thread terminates.
1364         (thread_exit_init): New.
1365         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1366         * testsuite/libitm.c/txrelease.c: New file.
1368 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1370         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1371         * testsuite/libitm.c/notx.c: New file.
1373 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1375         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1376         * libitm_i.h (local_tid): ... to here.
1377         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1378         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1380 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1382         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1383         serialirr_onwrite_dispatch as new default for now.
1384         * method-serial.cc (serialirr_onwrite_dispatch): New.
1385         (GTM::dispatch_serialirr_onwrite): New.
1386         * libitm_i.h: Same.
1388 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1390         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1391         * query.cc (_ITM_getTransactionId): There is no active transaction if
1392         the current nesting level is zero.
1394 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1396         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1397         rollback.
1399 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1401         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1402         transaction properties from the caller instead of from the
1403         transaction object.
1404         * libitm_i.h: Same.
1405         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1407 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1409         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1410         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1411         * dispatch.h: Same.
1412         * method-serial.cc: Same.
1413         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1414         flat nesting as default, and closed nesting on demand.
1415         (GTM::gtm_transaction::rollback): Same.
1416         (_ITM_abortTransaction): Same.
1417         (GTM::gtm_transaction::restart): Same.
1418         (GTM::gtm_transaction::trycommit): Same.
1419         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1420         (choose_code_path): New.
1421         (GTM::gtm_transaction_cp::save): New.
1422         (GTM::gtm_transaction_cp::commit): New.
1423         * query.cc (_ITM_inTransaction): Support flat nesting.
1424         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1425         (GTM::gtm_transaction): Support flat and closed nesting.
1426         * alloc.cc (commit_allocations_2): New.
1427         (commit_cb_data): New helper struct.
1428         (GTM::gtm_transaction::commit_allocations): Handle nested
1429         commits/rollbacks.
1430         * libitm.texi: Update user action section, add description of nesting.
1432 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1434         * libitm_i.h: Add closed nesting as restart reason.
1435         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1437 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1439         * useraction.cc: Use vector instead of list to store actions.
1440         Also support partial rollbacks for closed nesting.
1441         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1442         * beginend.cc: Same.
1444 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1446         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1447         closed_nesting flags, as well as a closed nesting alternative.
1448         * method-serial.cc: Same.
1449         (serial_dispatch): Renamed to serialirr_dispatch.
1450         (GTM::dispatch_serialirr): Same.
1451         (serial_dispatch_ul): Renamed to serial_dispatch.
1452         (GTM::dispatch_serial): Same.
1454 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1456         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1458 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1460         * aatree.h (aa_tree::remove): New.
1461         (aa_tree::operator new): Add placement new.
1463 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1465         * containers.h: New file.
1466         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1467         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1468         * common.h: ... to here.
1469         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1470         * local.cc: Same.
1472 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1474         * libitm_i.h (STATE_ABORTING): Remove.
1475         * beginend.cc (_ITM_abortTransaction): Same.
1476         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1477         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1478         (_ITM_rollbackTransaction): Remove.
1479         * beginend.cc: Same.
1480         * libitm.map: Same.
1481         * libitm.texi: Document these ABI changes.
1483 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1485         * libitm.texi: New file.
1486         * Makefile.am: Add libitm.texi.
1487         * Makefile.in: Rebuild.
1489 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1491         * libitm_i.h: Move parts to common.h and dispatch.h.
1492         * common.h: New file.
1493         * dispatch.h: New file, new dispatch class.
1494         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1495         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1496         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1497         decision to retry.cc.
1498         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1499         only.
1500         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1501         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1502         logging.
1503         * barrier.cc: Use new barriers definitions.
1504         (abi_dispatch::memmove_overlap_check): New.
1505         * config/x86/x86_sse.cc: Same.
1506         * config/x86/x86_avx.cc: Same.
1507         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1508         memcpy.cc.
1509         * Makefile.in: Rebuild.
1510         * method-readonly.cc: Remove.
1511         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1512         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1514 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1516         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1517         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1518         * testsuite/libitm.c/dropref-2.c: Same.
1519         * testsuite/libitm.c/dropref.c: Same.
1521 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1523         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1524         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1525         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1526         * alloc_c.cc: Same.
1527         * barrier.tpl: Same.
1528         * beginend.c: Same.
1529         * config/generic/tls.h: Same.
1530         * config/x86/tls.h: Same.
1531         * libitm_i.h: Same.
1532         * memcpy.cc: Same.
1533         * memset.cc: Same.
1534         * method-readonly.cc: Same.
1535         * method-serial.cc: Same.
1536         * method-wbetl.cc: Same.
1537         * retry.cc: Same.
1539 2011-03-03  Richard Henderson  <rth@redhat.com>
1541         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1542         From Patrik Marlier <patrick.marlier@unine.ch>.
1544 2011-02-03  Richard Henderson  <rth@redhat.com>
1546         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1547         * configure.ac: Use it.
1548         * configure, config.h.in: Rebuild.
1549         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1550         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1551         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1552         * libitm.map: Use wildcards to match size_t mangling.
1554 2010-12-14  Richard Henderson  <rth@redhat.com>
1556         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1557         blocks of TIDs per thread.
1558         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1559         (setup_gtm_thr): Return the thread structure.
1560         * config/x86/tls.h (setup_gtm_thr): Likewise.
1562 2010-12-14  Richard Henderson  <rth@redhat.com>
1564         * clone.cc (table_lock): Remove.
1565         (find_clone): Don't take it.
1566         (ExcludeTransaction): New helper class.
1567         (_ITM_registerTMCloneTable): Use it.
1568         (_ITM_deregisterTMCloneTable): Likewise.
1570 2010-12-14  Richard Henderson  <rth@redhat.com>
1572         * config/x86/tls.h: New file.
1574 2010-07-15  Richard Henderson  <rth@redhat.com>
1576         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1577         * Makefile.in: Rebuild.
1579 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1581         * method-wbetl.cc (trydropreference): Fix source line.
1583 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1585         * libitm.h: Add comment.
1586         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1588 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1590         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1591         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1592         available, use pthread mutexes.
1593         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1594         * config.h.in: Regenerate.
1595         * configure: Regenerate.
1597 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1599         * libitm.h (ITM_PURE): Define.
1600         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1602 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1604         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1605         (validate): Add comment.
1606         (trydropreference): New.
1607         * method-readonly.cc (class readonly_dispatch): Add
1608         trydropreference.
1609         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1610         Call trydropreference().
1611         * libitm.h (_ITM_dropReferences): Remove const attribute.
1612         * method-serial.cc (class serial_dispatch): Add trydropreference.
1613         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1615 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1617         * memcpy.cc (do_memcpy): Comment.
1619 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1621         * barrier.tpl: Add comments throughout.
1623 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1625         * method-wbetl.cc (struct w_entry): Add comments.
1626         (trycommit): Same.
1627         (rollback): Same.
1629 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1631         * alloc_c.cc (_ITM_dropReferences): New.
1632         * libitm.map (_ITM_dropReferences): Add.
1633         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1634         * libitm_i.h (struct gtm_transaction): Declare
1635         drop_references_allocations and drop_references_local.
1636         * local.cc (rollback_local): Ignore memory when applicable.
1637         (drop_references_local): New.
1639 2010-06-23  Richard Henderson  <rth@redhat.com>
1641         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1642         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1643         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1644         * config/alpha/target.h: Likewise.
1645         * config/generic/tls.cc (gtm_mask_stack): Use it.
1647 2010-06-23  Richard Henderson  <rth@redhat.com>
1649         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1650         a mutex instead of trying a lock-free compare-and-swap on the list.
1651         (gtm_cacheline_page::operator delete): Likewise.
1653 2010-06-16  Richard Henderson  <rth@redhat.com>
1655         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1656         that overlap the libitm stack.
1657         * barrier.tpl: Mark incoming stack.
1658         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1659         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1660         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1661         * memcpy.cc, memset.cc: Likewise.
1662         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1663         * config/generic/tls.h (gtm_thread): Add stack_top member.
1664         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1665         * libitm_i.h (gtm_mask_stack): Declare.
1666         * config/generic/tls.cc: New file.
1667         * Makefile.am (libitm_la_SOURCES): Add it.
1668         (AM_CXXFLAGS): Turn off exceptions.
1669         * Makefile.in: Rebuild.
1671 2010-06-16  Richard Henderson  <rth@redhat.com>
1673         * alloc.cc (struct gtm_alloc_action): Move definition ...
1674         * libitm_i.h: ... here.
1675         (class gtm_transaction): Declare new and delete.
1676         * beginend.cc (alloc_tx): Reformulate as operator new.
1677         (free_tx): Reformulate as operator delete.
1678         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1680 2010-06-11  Richard Henderson  <rth@redhat.com>
1682         * clone.cc (clone_entry_compare): Fix typo.
1683         From Patrik Marlier <patrick.marlier@unine.ch>.
1685 2010-05-13  Richard Henderson  <rth@redhat.com>
1687         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1688         in extern "C".
1690 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1692         * libitm_i.h (struct gtm_transaction): Remove
1693         get_allocation_size.
1694         (record_allocation): Remove size parameter.
1695         * libitm.map (_ITM_realloc): Remove.
1696         * alloc_c.cc (_ITM_realloc): Remove.
1697         (_ITM_malloc): Remove size argument to record_allocation.
1698         (_ITM_calloc): Same.
1699         * alloc_cpp.cc (_ZGTtnwm): Same.
1700         (_ZGTtnwmRKSt9nothrow_t): Same.
1701         (_ZGTtnam): Same.
1702         (_ZGTtnamRKSt9nothrow_t): Same.
1703         * alloc.cc (struct gtm_alloc_action): Remove size.
1704         (get_allocation_size): Remove.
1705         (commit_allocations): Add comment.
1706         (record_allocation): Remove size parameter.
1707         (forget_allocation): Remove set of size.
1709 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1711         * Makefile.am (abi_version): New.
1712         (AM_CXXFLAGS): Pass abi_version.
1713         * Makefile.in: Regenerate.
1714         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1716 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1718         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1719         _ITM_getTMCloneOrIrrevokable.
1720         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1721         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1723 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1725         * configure.ac: Remove Linux futex support.
1726         * configure.tgt (config_path): Same.
1727         * Makefile.am: Same.
1728         * config/linux: Remove entire directory.
1729         * configure: Rebuild.
1730         * Makefile.in: Rebuild.
1731         * testsuite/Makefile.in: Rebuild.
1733 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1735         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1736         switching to serial mode.
1737         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1739 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1741         * configure.tgt: Add emacs -*- tags.
1742         * barrier.tpl: Same.
1744 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1746         * Makefile.am: Rename serial.cc to method-serial.cc.
1747         * Makefile.in: Regenerate with automake 1.11.1.
1748         * testsuite/Makefile.in: Same.
1749         * aclocal.m4: Regenerate with aclocal 1.11.1.
1750         * method-serial.cc: Rename from serial.cc.
1751         * libitm_i.h (struct gtm_transaction): Update comment on
1752         serialirr_mode.
1754 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1756         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1757         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1759 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1761         * configure: Rebuild.
1763 2009-11-12  Richard Henderson  <rth@redhat.com>
1765         * Rewrite everything in C++.
1767 2009-11-03  Richard Henderson  <rth@redhat.com>
1769         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1770         * Makefile.am (libitm_la_SOURCES): Add them.
1771         * configure.ac (ARCH_X86): New conditional.
1772         * Makefile.in, configure: Rebuild.
1773         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1774         Move futex setup into "other system configury" case.
1775         * local.c (rollback_local): Merge into ...
1776         (GTM_rollback_local): ... here.
1777         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1778         (_ITM_LB): Define as an alias to GTM_LB.
1780 2009-11-03  Richard Henderson  <rth@redhat.com>
1782         * method-readonly.c: New file.
1783         * Makefile.am (libitm_la_SOURCES): Add it.
1784         * Makefile.in: Rebuild.
1785         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1786         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1787         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1788         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1789         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1790         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1791         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1792         gtm_get_clock, gtm_inc_clock): New.
1793         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1794         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1795         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1796         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1797         replace uses with new libitm_i.h symbols.
1798         (dispatch_wbetl): Rename from wbetl_dispatch.
1799         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1800         away from dispatch_readonly; abort if the beginTransaction call
1801         asserted that the transaction was readonly.
1803 2009-11-03  Richard Henderson  <rth@redhat.com>
1805         * memset.c: New file.
1806         * Makefile.am (libitm_la_SOURCES): Add it.
1807         * Makefile.in: Rebuild.
1808         * testsuite/libitm.c/memset-1.c: New.
1810 2009-11-03  Richard Henderson  <rth@redhat.com>
1812         * dispatch.c: Remove file.
1813         * useraction.c (struct gtm_user_action): Move from libitm.h.
1814         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1815         (serial_memset, serial_memmove, serial_memcpy): Remove.
1816         (serial_W*, serial_R*): Remove.
1817         (serial_dispatch): Update to match.
1818         * configure.ac: Move Werror down below configure checks.  Don't
1819         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1820         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1821         Use GCC_AC_FUNC_MMAP_BLACKLIST
1822         * libitm.h: Split out all internal items to...
1823         * libitm_i.h: ... here.  New file.
1824         * copymask.c: New file.
1825         * local.c (struct gtm_local_undo): Move from libitm.h.
1826         (GTM_alloc_local): Rename from alloc_local; export.
1827         * memcpy.c: New file.
1828         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1829         * config/posix/page.c: New file.
1830         * config/posix/target_tls.h: Remove file.
1831         * barrier.c: New file.
1832         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1833         copymask.c, page.c.
1834         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1835         * method-wbetl.c: Rewrite for new cacheline methods.
1836         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1838         * config/alpha/sjlj.S: Fix typo.
1839         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1840         * config/alpha/copymask.c: New file.
1841         * config/alpha/target.h (CACHELINE_SIZE): New.
1842         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1844         * config/x86/target_i.h: Copy functions from x86/target.h.
1845         * config/x86/copymask.c: New file.
1846         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1847         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1848         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1849         * config/x86/target_tls.h: Move contents to target_i.h.
1851         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1852         * testsuite/libitm.c/memcpy-1.c: New.
1854 2009-10-22  Richard Henderson  <rth@redhat.com>
1856         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1857         (AM_CCASFLAGS): New.
1858         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1859         saving/restoring _AC_ARG_VAR_PRECIOUS.
1860         * Makefile.in, aclocal.m4, config.h.in, configure,
1861         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1863 2009-10-22  Richard Henderson  <rth@redhat.com>
1865         * testsuite/*: Update for new compiler syntax.
1867 2009-10-21  Richard Henderson  <rth@redhat.com>
1869         * libitm.h (_ITM_abortReason): Add outerAbort.
1871 2009-08-03  Richard Henderson  <rth@redhat.com>
1873         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1874         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1875         * method-wbetl.c (struct w_entry): Remove mask.
1876         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1877         adjust all callers.
1879 2009-07-22  Richard Henderson  <rth@redhat.com>
1881         * eh_cpp.c: New file.
1882         * Makefile.am (libitm_la_SOURCES): Add it.
1883         * Makefile.in: Rebuild.
1884         * beginend.c (GTM_rollback_transaction): Undo exception state.
1885         (GTM_trycommit_transaction): Mark inline.
1886         (GTM_trycommit_and_finalize_transaction): Split out from ...
1887         (_ITM_commitTransaction): ... here.
1888         (_ITM_commitTransactionEH): New function.
1889         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1890         cxa_unthrown, eh_in_flight; reorder.
1892         * testsuite/libitm.c++/c++.exp: New.
1893         * testsuite/libitm.c++/eh-1.C: New.
1895         * aatree.c (aa_free): Remove REGPARM.
1896         * aatree.h: Remove all REGPARM.
1898 2009-07-18  Richard Henderson  <rth@redhat.com>
1900         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1901         * Makefile.am (libitm_la_SOURCES): Add them.
1902         * Makefile.in: Rebuild.
1903         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1904         (GTM_trycommit_transaction): Likewise.
1905         * libitm.h: Include aatree.h
1906         (struct gtm_alloc_action): New.
1907         (struct gtm_transaction): Add alloc_actions.
1908         (GTM_record_allocation, GTM_forget_allocation): Declare.
1909         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1910         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1911         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1912         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1913         _ZGTtdaPvRKSt9nothrow_t): Export.
1915 2009-07-18  Richard Henderson  <rth@redhat.com>
1917         * target_tls.h: Move ...
1918         * config/posix/target_tls.h: ... here.
1920 2009-07-07  Richard Henderson  <rth@redhat.com>
1922         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1924 2009-07-07  Richard Henderson  <rth@redhat.com>
1926         * Update to GPL3.
1928 2009-07-07  Richard Henderson  <rth@redhat.com>
1930         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1931         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1933         * configure.tgt: Don't use -ftls-model for x86 linux.
1934         * libitm.h: Include target.h after standard includes.
1935         (_gtm_thr): Rename from gtm_thr.
1936         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1937         (gtm_disp, set_gtm_disp): New.
1938         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1939         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1940         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1942 2009-07-07  Richard Henderson  <rth@redhat.com>
1944         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1946 2009-07-06  Richard Henderson  <rth@redhat.com>
1948         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1949         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1950         (_ITM_beginTransaction): Take variadic arguments.
1951         (_ITM_registerThrownObject): Declare.
1952         * beginend.c, serial.c: Update.
1953         * libitm.map: Add _ITM_registerThrownObject.
1955 2009-01-28  Richard Henderson  <rth@redhat.com>
1957         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1958         * Makefile.in: Rebuild.
1959         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1960         (GTM_restart_transaction): Fix uninstrumented code check.
1961         * retry.c (GTM_decide_retry_strategy): Add serial check.
1962         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1963         automatically go irrevokable when in serial mode.
1964         * clone.c: New file.
1965         * libitm.h, libitm.map: Update.
1967 2009-01-27  Richard Henderson  <rth@redhat.com>
1969         * Makefile.am (LTCCASCOMPILE): Define.
1970         (libitm_la_SOURCES): Add methid-wbetl.c.
1971         * testsuite/Makefile.am: New
1972         * configure.ac: Add testsuite/Makefile.
1973         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1974         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1975         (_ITM_abortTransaction): Finalize implementation method; pass
1976         transaction properties to longjmp.
1977         (GTM_restart_transaction): Split out from ...
1978         (_ITM_commitTransaction): ... here.
1979         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1980         Move to config/x86/target.h.
1981         * config/linux/alpha/futex_bits.h: New.
1982         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1983         * config/x86/target.h: Disable target types for 32-bit.
1984         * config/alpha/sjlj.S, config/alpha/target.h: New.
1985         * libitm.h (struct gtm_dispatch): Add init, fini.
1986         (enum restart_reason): New.
1987         (struct gtm_transaction): Add method and restarts.
1988         * retry.c (GTM_decide_retry_strategy): Implement.
1989         * serial.c (serial_init, serial_fini): New.
1990         (GTM_serialmode): Finialize outgoing method.
1991         * method-wbetl.c: New.
1993 2008-12-09  Richard Henderson  <rth@redhat.com>
1995         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1996         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1997         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1998         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1999         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2000         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2001         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2002         * serial.c (serial_R##T, serial_W##T): Likewise.
2004 2008-11-21  Richard Henderson  <rth@redhat.com>
2006         * Initial commit.
2008 Copyright (C) 2008-2017 Free Software Foundation, Inc.
2010 Copying and distribution of this file, with or without modification,
2011 are permitted in any medium without royalty provided the copyright
2012 notice and this notice are preserved.