2016-09-25 François Dumont <fdumont@gcc.gnu.org>
[official-gcc.git] / libitm / ChangeLog
blob68b5069806b589d851bf416e2860cdf86bbb79a4
1 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
3         PR libitm/70456
4         * util.cc (xmalloc): Use posix_memalign to allocate memory on
5         on cache line if requested.
7 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
9         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
10         function attribute to disable floating point in begin_transaction() on
11         S/390.
12         * beginend.cc (begin_transaction): Use
13         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
15 2016-01-22  Torvald Riegel  <triegel@redhat.com>
17         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
18         boundary.
19         (htm_fastpath): Remove.
20         (gtm_thread::begin_transaction): Fix HTM fastpath.
21         (_ITM_commitTransaction): Adapt.
22         (_ITM_commitTransactionEH): Adapt.
23         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
24         and accessors.
25         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
26         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
27         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
28         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
29         * libitm/method-serial.cc (htm_mg): Adapt.
30         (gtm_thread::serialirr_mode): Adapt.
31         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
33 2016-01-21  Torvald Riegel  <triegel@redhat.com>
35         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
36         or AIX.
38 2016-01-19  Richard Henderson  <rth@redhat.com>
40         PR bootstrap/69343
41         PR bootstrap/69339
42         Revert:
43         2016-01-13  Richard Henderson  <rth@redhat.com>
45         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
46         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
47         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
48         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
49         * configure.ac (ARCH_AARCH64): New conditional.
50         (ARCH_PPC, ARCH_S390): Likewise.
51         * Makefile.in, configure: Rebuild.
53         * libitm.h (_ITM_TYPE_M128): Always define.
54         * vect64.cc: Split ...
55         * vect128.cc: ... out of...
56         * config/x86/x86_sse.cc: ... here.
57         * config/arm/neon.cc: New file.
59 2016-01-19  Torvald Riegel  <triegel@redhat.com>
61         * local_type_traits: Remove file.
62         * libitm_i.h: Don't include it anymore.
63         (sized_integral): Remove.
65 2016-01-16  Torvald Riegel  <triegel@redhat.com>
67         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
68         safety.
69         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
70         * libitm/testsuite/libitm.c/priv-1.c: New.
72 2015-01-15  Torvald Riegel  <triegel@redhat.com>
74         testsuite/libitm.c++/libstdc++-safeexc.C: New.
76 2016-01-13  Torvald Riegel  <triegel@redhat.com>
78         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
79         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
80         (gtm_rwlock::write_unlock): Likewise.
82 2016-01-13  Richard Henderson  <rth@redhat.com>
84         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
85         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
86         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
87         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
88         * configure.ac (ARCH_AARCH64): New conditional.
89         (ARCH_PPC, ARCH_S390): Likewise.
90         * Makefile.in, configure: Rebuild.
92         * libitm.h (_ITM_TYPE_M128): Always define.
93         * vect64.cc: Split ...
94         * vect128.cc: ... out of...
95         * config/x86/x86_sse.cc: ... here.
96         * config/arm/neon.cc: New file.
98 2016-01-13  Torvald Riegel  <triegel@redhat.com>
100         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
101         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
102         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
103         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
104         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
105         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
106         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
107         (serialirr_dispatch::snapshot_most_recent): New.
108         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
110 2016-01-12  Torvald Riegel  <triegel@redhat.com>
112         * libitm_i.h (gtm_mask_stack): Remove.
113         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
114         * stmlock.h: Remove file.
115         * config/alpha/cacheline.h: Likewise.
116         * config/generic/cacheline.h: Likewise.
117         * config/powerpc/cacheline.h: Likewise.
118         * config/sparc/cacheline.h: Likewise.
119         * config/x86/cacheline.h: Likewise.
121 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
123         Update copyright years.
125         * libitm.texi: Bump @copying's copyright year.
127 2015-11-26  Torvald Riegel  <triegel@redhat.com>
129         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
130         (ml_wt_dispatch::pre_write): Adapt.
131         (ml_wt_dispatch::pre_load): Likewise.
133 2015-11-22  Torvald Riegel  <triegel@redhat.com>
135         * libitm_i.h (gtm_alloc_action): Remove union.
136         * testsuite/libitm.c/alloc-1.c: New.
138 2015-11-19  Torvald Riegel  <triegel@redhat.com>
140         * testsuite/libitm.c++/eh-5.C: New.
141         * libitm.h (_ITM_cxa_free_exception): New.
142         * libitm.map (_ITM_cxa_free_exception): Add it.
143         * libitm.texi: Update ABI docs.
144         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
145         (gtm_transaction_cp::cxa_uncaught_count): Add.
146         (gtm_thread::cxa_unthrown): Remove.
147         (gtm_thread::cxa_uncaught_count_ptr): Add.
148         (gtm_thread::cxa_uncaught_count): Add.
149         (gtm_thread::drop_references_allocations): Rename to...
150         (gtm_thread::discard_allocation): ... this and adapt.
151         (gtm_thread::init_cpp_exceptions): New.
152         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
153         (gtm_thread::begin_transaction): Likewise.
154         (gtm_transaction_cp::save): Likewise.
155         (gtm_thread::trycommit): Likewise.
156         * eh_cpp.cc: Add overview comments.
157         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
158         (free_any_exception, _ITM_cxa_free_exception): New.
159         (gtm_thread::init_cpp_exceptions): Define.
160         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
161         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
162         (gtm_thread::revert_cpp_exceptions): Likewise.
164 2015-11-09  Torvald Riegel  <triegel@redhat.com>
166         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
167         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
168         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
169         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
170         (gtm_thread::forget_allocations): New overload with size_t argument.
171         * alloc.c (gtm_thread::forget_allocation): Define new overload and
172         adapt existing one.
173         (gtm_thread::record_allocation): Adapt.
174         (gtm_thread::commit_allocations_1): Adapt.
175         (gtm_thread::commit_allocations_2): Adapt.
176         * testsuite/libitm.c++/newdelete.C: New.
178 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
179             Joseph Myers  <joseph@codesourcery.com>
180             Mark Shinwell  <shinwell@codesourcery.com>
181             Andrew Stubbs  <ams@codesourcery.com>
182             Rich Felker <dalias@libc.org>
184         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
185         GTM_begin_transaction for compatibility with FDPIC.
187 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
189         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
190         using load_gcc_lib.
192 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
194         PR libitm/61164
195         * local_atomic (__always_inline): Rename to...
196         (__libitm_always_inline): ... this.
198 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
200         PR target/52482
201         * config/powerpc/sjlj.S: Port to Xcode 2.5.
203 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
205         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
206         operands "op" and "val" to int.
208 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
210         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
211         "op" and "val" to int.
213 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
215         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
216         "op" and "val" to int.
218 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
220         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
221         Declare as static int.
222         (FUTEX_PRIVATE_FLAG): Remove L suffix.
223         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
225 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
227         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
228         sys_futex0 function.
230 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
232         * Makefile.in: Regenerated with automake-1.11.6.
233         * aclocal.m4: Likewise.
234         * configure: Likewise.
235         * testsuite/Makefile.in: Likewise.
237 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
239         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
240         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
242 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
244         PR libitm/64360
245         * libitm.c/stackundo.c (test2): Make it static.
246         (test1): Likewise.
248 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
250         Update copyright years.
252 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
254         * libitm.texi: Bump @copying's copyright year.
256 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
258         * testsuite/lib/libitm.exp: Load target-utils.exp.
259         Move load of target-supports.exp earlier.
261 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
263         * configure.tgt (x86_64): Tune -m32 multilib to generic.
265 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
267         PR bootstrap/63784
268         * configure: Regenerated.
270 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
272         PR target/63610
273         * configure: Regenerate.
275 2014-10-06  Marek Polacek  <polacek@redhat.com>
277         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
278         * testsuite/libitm.c/memset-1.c: Likewise.
280 2014-07-24  Richard Henderson  <rth@redhat.com>
282         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
283         addressing mode in epilogue.
285 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
287         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
288         -mclear-hwcap instead.
289         * configure: Regenerate.
290         * clearcap.map: Remove.
292 2014-05-21  John Marino  <gnugcc@marino.st>
294         * configure.tgt (*-*-dragonfly*): New target.
296 2014-05-19  Richard Henderson  <rth@redhat.com>
298         * config/aarch64/sjlj.S: New file.
299         * config/aarch64/target.h: New file.
300         * configure.tgt: Enable aarch64.
302 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
304         * config/generic/asmcfi.h: Also check for
305         __GCC_HAVE_DWARF2_CFI_ASM.
307 2013-04-02  Richard Henderson  <rth@redhat.com>
309         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
310         * config/arm/target.h, config/sh/target.h: Likewise.
311         * config/sparc/target.h, config/x86/target.h: Likewise.
313 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
315         * config/linux/futex_bits.h: Include errno.h.
316         (sys_futex0): If syscall returns -1, return -errno rather than
317         -1.
319 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
321         * libitm.texi (Index): Rename to Library Index.
323 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
325         PR libitm/53113
326         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
327         (x86_avx.lo): Append -mavx to CXXFLAGS.
328         * Makefile.in: Regenerate.
330 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
332         Update copyright years
334 2014-01-02  Tobias Burnus  <burnus@net-b.de>
336         * libitm.texi: Bump @copying's copyright year.
338 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
340         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
341         (FUNC): Define ELFv2 variant.
342         (END): Likewise.
343         (HIDDEN): Likewise.
344         (CALL): Likewise.
345         (BASE): Likewise.
346         (LR_SAVE): Likewise.
348 2013-09-20  Alan Modra  <amodra@gmail.com>
350         * configure: Regenerate.
352 2013-08-30  Torvald Riegel  <triegel@redhat.com>
354         * config/posix/rwlock.cc: Fix initialization order.
356 2013-08-30  Torvald Riegel  <triegel@redhat.com>
358         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
359         (htm_fastpath): Assign an asm name.
360         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
361         HTM fast paths.
362         (_ITM_actions): Likewise.
363         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
364         x86_64.
365         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
366         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
367         field to the start of the structure.
368         * config/linux/rwlock.h (gtm_rwlock): Update comments.
369         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
370         handling for custom HTM fast paths.
372 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
373         Revert:
374         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
376         * configure.tgt: Add -msoft-float to XCFLAGS.
378 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
380         * configure.tgt: Add -msoft-float to XCFLAGS.
382 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
384         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
385         (htm_transaction_active): Enable zEC12 instructions in the
386         assembler.
387         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
389 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
391         * acinclude.m4: Add htm asm check for s390.
392         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
393         * configure: Regenerate.
394         * config/s390/target.h: Remove __HTM__ check.
395         (htm_available): Call getauxval to get hwcaps and check whether
396         HTM is available or not.
398 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
400         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
401         * configure.ac: Use it.
402         (AC_CHECK_HEADERS): Check for sys/auxv.h.
403         (AC_CHECK_FUNCS): Check for getauxval.
404         * config.h.in, configure: Rebuild.
405         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
406         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
407         (USE_HTM_FASTPATH): Define.
408         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
409         _HTM_RETRIES) New macros.
410         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
411         htm_begin_success, htm_commit, htm_transaction_active): New functions.
413 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
415         * config/s390/target.h: Include htmintrin.h.
416         (_HTM_ITM_RETRIES): New macro definition.
417         (htm_available, htm_init, htm_begin, htm_begin_success)
418         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
420 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
421             Cesar Philippidis  <cesar@codesourcery.com>
423         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
424         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
425         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
426         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
428 2013-06-20  Torvald Riegel  <triegel@redhat.com>
430         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
431         (_ITM_getTransactionId): Same.
432         * config/x86/target.h (htm_transaction_active): New.
434 2013-06-20  Torvald Riegel  <triegel@redhat.com>
436         PR libitm/57643
437         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
438         the HTM fastpath.
440 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
442         PR bootstrap/56714
443         * local_atomic (__always_inline): Always define our version.
444         (__calculate_memory_order): Mark inline.
445         (atomic_thread_fence): Ditto.
446         (atomic_signal_fence): Ditto.
447         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
448         (atomic_bool::atomic_flag_clear_explicit): Ditto.
449         (atomic_bool::atomic_flag_test_and_set): Ditto.
450         (atomic_bool::atomic_flag_clear): Ditto.
452 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
454         * config/s390/sjlj.S: New file.
455         * config/s390/target.h: New file.
456         * configure.tgt: Set options for S/390.
458 2013-03-23  Andi Kleen  <ak@linux.intel.com>
460         * local_atomic (__always_inline): Add.
461         (__calculate_memory_order, atomic_thread_fence,
462          atomic_signal_fence, test_and_set, clear, store, load,
463          exchange, compare_exchange_weak, compare_exchange_strong,
464          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
465         Add __always_inline to force inlining.
467 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
468             Jack Howarth  <howarth@bromo.med.uc.edu>
469             Patrick Marlier  <patrick.marlier@gmail.com>
471         PR libitm/55693
472         * alloc_cpp.cc: Enable function declarations on darwin.
473         * eh_cpp.cc: Likewise.
475 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
477         Update copyright years.
479 2012-11-09  Torvald Riegel  <triegel@redhat.com>
481         * beginend.cc (htm_fastpath): New.
482         (gtm_thread::begin_transaction, _ITM_commitTransaction,
483         _ITM_commitTransactionEH): Add HTM fastpath handling.
484         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
485         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
486         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
487         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
488         * configure.tgt: Add -mrtm to XCFLAGS.
489         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
490         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
491         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
492         * retry.cc (parse_default_method): Add HTM method parsing.
493         (gtm_thread::number_of_threads_changed): Use HTM by default if
494         available.
496 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
498         * configure: Regenerate.
500 2012-10-31  Richard Henderson  <rth@redhat.com>
502         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
503         * configure.ac: Use it.
504         * config.h.in, configure: Rebuild.
505         * testsuite/Makefile.in: Rebuild.
507 2012-10-24  Torvald Riegel  <triegel@redhat.com>
509         * libitm.texi: Clarify ABI requirements for data-logging functions.
511 2012-10-24  Torvald Riegel  <triegel@redhat.com>
513         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
514         it requires serial mode instead of assuming that for certain
515         dispatchs.
516         * dispatch.h (abi_dispatch::requires_serial): New.
517         (abi_dispatch::abi_dispatch): Adapt.
518         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
519         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
520         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
521         serial_dispatch::serial_dispatch,
522         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
524 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
526         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
527         and ia32 declarations some more.
528         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
530 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
532         PR other/43620
533         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
534         * configure: Regenerate.
535         * Makefile.in: Regenerate.
537 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
539         * configure: Regenerated.
541 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
543         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
545 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
547         * eh_cpp.cc: Fix __cxa_end_catch declaration.
549 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
551         * configure: Regenerated.
553 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
555         PR libitm/52854
556         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
557         for x86-64.
559 2012-04-03  Tristan Gingold  <gingold@adacore.com>
561         * configure: Regenerate.
563 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
565         PR bootstrap/52812
566         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
568 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
570         * testsuite/lib/libitm.exp: load fortran-modules.exp
572 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
574         * configure.tgt (*-*-irix6*): Remove.
576 2012-03-13  Torvald Riegel  <triegel@redhat.com>
578         PR libitm/52526
579         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
580         wake-up.
582 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
584         * configure.tgt (*-*-osf*): Remove.
585         * configure: Regenerate.
587 2012-03-05  Torvald Riegel  <triegel@redhat.com>
589         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
590         memtransfer/memset if size isn't larger than zero.
592 2012-03-02  Torvald Riegel  <triegel@redhat.com>
594         * libitm.texi: Link to specification and add a usage example.
596 2012-02-24  Torvald Riegel  <triegel@redhat.com>
598         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
599         default dispatch for more than 1 thread to ml_wt.
601 2012-02-20  Torvald Riegel  <triegel@redhat.com>
603         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
605 2012-02-20  Torvald Riegel  <triegel@redhat.com>
607         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
609 2012-02-20  Torvald Riegel  <triegel@redhat.com>
611         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
612         serial mode corner cases made obsolete by prior gtm_rwlock changes.
613         (gl_wt_dispatch.rollback): Same.
615 2012-02-20  Torvald Riegel  <triegel@redhat.com>
617         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
619 2012-02-20  Torvald Riegel  <triegel@redhat.com>
621         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
622         for RfW src.  Optimize number of calls to gtm_thr.
624 2012-02-20  Torvald Riegel  <triegel@redhat.com>
626         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
627         acquisition to ...
628         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
629         (default_dispatch): Make atomic.
630         (GTM::gtm_thread::set_default_dispatch): Access atomically.
631         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
632         use decide_begin_dispatch() if default_dispatch might have changed.
633         (GTM::gtm_thread::number_of_threads_changed): Initialize
634         default_dispatch here.
636 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
637             Patrick Marlier  <patrick.marlier@gmail.com>
639         PR libitm/52220
640         * alloc_cpp.cc: No dummy definitions for darwin.
641         * eh_cpp.cc: Likewise.
643 2012-02-14  Richard Henderson  <rth@redhat.com>
645         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
647 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
649         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
651 2012-02-14  Torvald Riegel  <triegel@redhat.com>
653         * libitm_i.h (GTM::gtm_rwlog_entry): New.
654         (GTM::gtm_thread): Add read and write logs.
655         (GTM::dispatch_ml_wt): Declare.
656         * retry.cc (parse_default_method): Support ml_wt.
657         * method-ml.cc: New file.
658         * Makefile.am: Add method-ml.cc.
659         * Makefile.in: Regenerate.
661 2012-02-14  Torvald Riegel  <triegel@redhat.com>
663         * dispatch.h (GTM::abi_dispatch::supports): New.
664         (GTM::method_group::reinit): New.
665         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
666         (GTM::gtm_thread::number_of_threads_changed): Check that the method
667         supports the current situation.
669 2012-02-14  Torvald Riegel  <triegel@redhat.com>
671         * util.cc (GTM::xcalloc): New.
672         * common.h (GTM::xcalloc): Declare.
674 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
676         * config/sparc/target.h (cpu_relax): Read from CC register.
677         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
679 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
681         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
683 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
685         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
686         * config/sparc/cacheline.h: New file.
687         * config/sparc/target.h: Likewise.
688         * config/sparc/sjlj.S: Likewise.
689         * config/linux/sparc/futex_bits.h: Likewise.
691 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
693         * configure.ac (link_itm): Fix comment.
694         * configure: Regenerate.
695         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
697 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
699         PR libitm/51822
700         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
701         Correct libgomp references.
703 2012-01-24  Torvald Riegel  <triegel@redhat.com>
705         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
706         wake-up.
708 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
710         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
711         end of structure.
712         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
713         offset values.  Do not copy return address.  Decrement stack
714         by 56 bytes only.
715         (GTM_longjump) [__x86_64__]: Update offset values.
717 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
719         PR libitm/51830
720         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
721         the first function argument to %eax.
723 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
725         * libitm.h (_ITM_getThreadnum): Remove.
726         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
728 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
730         * clearcap.map: New file.
731         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
732         * configure.ac: Call it.
733         Clear HWCAP_LDFLAGS if defaulting to -mavx.
734         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
735         * configure: Regenerate.
736         * Makefile.in: Regenerate.
737         * testsuite/Makefile.in: Regenerate.
739 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
741         PR libitm/51173
742         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
743         include, exclude options.
745 2012-01-14  Torvald Riegel  <triegel@redhat.com>
747         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
748         rolling back.
749         * containers.h (GTM::vector::set_size): New.
751 2012-01-14  Torvald Riegel  <triegel@redhat.com>
753         PR libitm/51855
754         * config/generic/tls.h (GTM::mask_stack_top): New.
755         (GTM::mask_stack_bottom): Declare.
756         * config/generic/tls.c (GTM::mask_stack_bottom): New.
757         * local.cc (gtm_undolog::rollback): Filter out any updates that
758         overlap the libitm stack.  Add current transaction as parameter.
759         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
760         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
761         * testsuite/libitm.c/stackundo.c: New test.
763 2012-01-10  Richard Henderson  <rth@redhat.com>
765         * libitm_i.h (_Unwind_DeleteException): Declare weak.
766         * eh_cpp.cc (_Unwind_DeleteException): Define for
767         !HAVE_ELF_STYLE_WEAKREF.
769 2012-01-08  Torvald Riegel  <triegel@redhat.com>
771         * local.cc (GTM_LB): Use GTM::gtm_undolog.
772         (GTM::gtm_thread::drop_references_undolog): Remove.
773         (GTM::gtm_thread::commit_undolog,
774         GTM::gtm_thread::rollback_undolog): Move to ...
775         * libitm_i.h (GTM::gtm_undolog): ...here. New.
776         (GTM::gtm_undolog_entry): Remove.
777         (GTM::gtm_thread): Adapt.
778         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
779         (GTM::gtm_thread::trycommit): Adapt.
780         * method-serial.cc (serial_dispatch::log): Adapt.
781         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
782         (gl_wt_dispatch::store): Fix likely/unlikely.
783         * containers.h (GTM::vector::resize): Add additional_capacity
784         parameter and handle it.
785         (GTM::vector::resize_noinline): New/adapt.
786         (GTM::vector::push): New.
788 2012-01-06  Richard Henderson  <rth@redhat.com>
790         * configure.tgt: Support powerpc-linux and powerpc-darwin.
791         * config/linux/powerpc/futex_bits.h: New file.
792         * config/powerpc/cacheline.h: New file.
793         * config/powerpc/sjlj.S: New file.
794         * config/powerpc/target.h: New file.
795         * config/generic/asmcfi.h (cfi_offset): New.
796         (cfi_restore, cfi_undefined): New.
798 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
800         PR other/51171
801         * testsuite/libitm.c/reentrant.c: Remove xfail.
802         (thread): Pass x to pure().
803         From Patrik Marlier <patrick.marlier@gmail.com>.
805 2011-12-24  Torvald Riegel  <triegel@redhat.com>
807         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
808         privatization safety if already in serial mode.
810 2011-12-24  Torvald Riegel  <triegel@redhat.com>
812         * beginend.cc (GTM::gtm_thread::restart): Add and handle
813         finish_serial_upgrade parameter.
814         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
815         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
816         Don't unset reader flag.
817         (GTM::gtm_rwlock::write_upgrade_finish): New.
818         * config/posix/rwlock.cc: Same.
819         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
820         Declare.
821         * config/posix/rwlock.h: Same.
822         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
823         flag after commit or after rollback when restarting.
825 2011-12-24  Torvald Riegel  <triegel@redhat.com>
827         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
828         (GTM::gtm_thread::try_commit): Changed memory order.
829         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
830         as parameter.
831         * config/linux/x86/futex_bits.h (sys_futex0): Same.
832         * config/linux/sh/futex_bits.h (sys_futex0): Same.
833         * config/linux/futex_bits.h (sys_futex0): Same.
834         * config/linux/futex.cc (futex_wait, futex_wake): Same.
835         * config/linux/futex.h (futex_wait, futex_wake): Same.
836         * config/linux/rwlock.h (gtm_rwlock::writers,
837         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
838         ints.
839         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
840         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
841         gtm_rwlock::write_unlock): Fix memory orders and fences.
842         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
843         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
844         gtm_rwlock::write_unlock): Same.
845         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
846         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
847         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
848         Add comments.
849         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
850         gl_wt_dispatch::load, gl_wt_dispatch::store,
851         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
852         orders and fences.  Add comments.
854 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
856         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
857         * Makefile.in: Regenerated.
859 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
861         * configure.tgt: Add sh* case.
862         * config/sh/target.h: New file.
863         * config/sh/sjlj.S: New file.
864         * config/linux/sh/futex_bits.h: New file.
866 2011-12-14  Richard Henderson  <rth@redhat.com>
868         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
869         * config/arm/sjlj.S, config/arm/target.h: New files.
870         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
871         (cfi_rel_offset): New.
872         * config/linux/futex_bits.h: New file.
873         * config/linux/futex.cc: Include futex_bits.h here...
874         * config/linux/futex.h: ... not here.
875         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
876         * configure.ac (ARCH_AM): New conditional.
877         * Makefile.in, configure: Rebuild.
878         * configure.tgt: Handle ARM.
880 2011-12-13  Richard Henderson  <rth@redhat.com>
882         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
883         signed/unsigned comparison werror.
885         * local_atomic: New file.
886         * libitm_i.h: Include it.
887         (gtm_thread::shared_state): Use atomic template.
888         * beginend.cc (GTM::gtm_clock): Use atomic template.
889         (global_tid): Use atomic template if 64-bit atomics available.
890         (gtm_thread::gtm_thread): Update shared_state access.
891         (gtm_thread::trycommit): Likewise.
892         (choose_code_path): Update global_tid access.
893         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
894         * stmlock.h (GTM::gtm_clock): Use atomic template.
895         (gtm_get_clock, gtm_inc_clock): Update accesses.
896         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
897         redundant __sync_synchronize after atomic shared_state access.
898         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
899         (gtm_rwlock::write_lock_generic): Likewise.
900         (gtm_rwlock::read_unlock): Likewise.
901         * config/alpha/target.h (atomic_read_barrier): Remove.
902         (atomic_write_barrier): Remove.
903         * config/x86/target.h (atomic_read_barrier): Remove.
904         (atomic_write_barrier): Remove.
906 2011-11-30  Richard Henderson  <rth@redhat.com>
908         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
909         * beginend.c (_ITM_abortTransaction): Update to match.
910         (GTM::gtm_thread::restart): Likewise.
911         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
912         * config/x86/sjlj.S (GTM_longjmp): Likewise.
914 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
916         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
917         * Makefile.in: Regenerate.
919 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
921         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
922         * alloc_cpp.cc: Generate dummy functions if we don't
923         HAVE_ELF_STYLE_WEAKREF.
924         * eh_cpp.cc: Likewise.
925         * configure: Regenerate.
926         * aclocal.m4:  Likewise.
927         * config.h.in: Likewise.
928         * Makefile.in: Likewise.
929         * testsuite/Makefile.in: Likewise.
931 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
933         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
934         __USER_LABEL_PREFIX__ for targets that use it.
935         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
936         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
937         in portability to non-elf targets.
938         (GTM_longjmp): Likewise.
939         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
940         where required.
942 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
944         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
945         * testsuite/libitm.c/memset-1.c: Likewise.
947 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
949         * configure: Regenerate.
951 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
953         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
954         (LIBITM_ENABLE_SYMVERS): Handle sun style.
955         * Makefile.am: Handle sun style versioning.
956         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
957         * configure: Regenerate.
958         * Makefile.in: Regenerate.
960 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
962         * config/generic/asmcfi.h: Fix comment.
963         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
964         sequence without .hidden support, error for non-ELF targets.
965         (GTM_longjmp) [__ELF__]: Only use .hidden if
966         HAVE_ATTRIBUTE_VISIBILITY.
968 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
970         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
971         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
972         Dummy functions.
973         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
974         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
976 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
978         PR bootstrap/51098
979         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
980         * configure: Regenerate.
982 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
984         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
986 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
988         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
989         .hidden.
990         (.note.GNU-stack): Only use if __linux__.
991         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
992         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
993         * testsuite/libitm.c/reentrant.c: Likewise.
994         * testsuite/libitm.c/simple-2.c: Likewise.
995         * testsuite/libitm.c/txrelease.c: Likewise.
996         * testsuite/libitm.c++/static_ctor.C: Likewise.
998 2011-11-10  Richard Henderson  <rth@redhat.com>
1000         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1001         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1002         * configure.ac (ARCH_X86_AVX): New conditional.
1003         * Makefile.in, configure: Rebuild.
1005 2011-11-09  Richard Henderson  <rth@redhat.com>
1007         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1008         * configure.ac: Use it.
1009         * config.h.in, configure: Rebuild.
1010         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1012 2011-11-09  Richard Henderson  <rth@redhat.com>
1014         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1015         * config/alpha/unaligned.h: Remove file.
1016         * config/generic/unaligned.h: Remove file.
1017         * config/x86/unaligned.h: Remove file.
1018         * config/generic/cachepage.h: Remove file.
1019         * config/posix/cachepage.cc: Remove file.
1020         * config/generic/cacheline.cc: Remove file.
1021         * config/x86/cacheline.cc: Remove file.
1022         * config/generic/cacheline.h (gtm_cacheline): Remove the
1023         store_mask, copy_mask, copy_mask_wb methods.
1024         * config/x86/cacheline.h: Likewise.
1025         * config/alpha/cacheline.h: Fall back to generic after setting size.
1026         * config/generic/tls.cc (gtm_mask_stack): Remove.
1027         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1028         (GTM_vpalignr_table): Remove.
1029         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1030         (GTM_pshift_table): Remove.
1031         * config/libitm_i.h: Don't include cachepage.h.
1032         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1033         * Makefile.in, testsuite/Makefile.in: Rebuild.
1035 2011-11-09  Richard Henderson  <rth@redhat.com>
1037         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1038         to emit branch prediction hint.
1040         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1041         Protect .note.GNU-stack with __linux__.
1043         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1044         * configure, aclocal.m4, config.h.in: Rebuild.
1045         * config/generic/asmcfi.h: New file.
1046         * config/x86/sjlj.S: Use it.
1048 2011-11-08  Richard Henderson  <rth@redhat.com>
1050         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1052 2011-11-08  Richard Henderson  <rth@redhat.com>
1054         * configure.tgt: Test correct directory for supported cpus.
1056         * configure.ac: Exit if unsupported.
1057         * configure: Rebuild.
1058         * configure.tgt: Delete boilerplate from libgomp for unsupported
1059         targets.  Set UNSUPPORTED for unsupported targets.
1061 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1063         * configure.tgt: Handle i386 like i[456]86.
1064         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1065         take address.
1066         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1067         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1069 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1071         * method-wbetl.cc: Update copyright notice.
1072         * aatree.cc: Same.
1073         * util.cc: Same.
1074         * libitm.h: Same.
1075         * memset.cc: Same.
1076         * eh_cpp.cc: Same.
1077         * barrier.tpl: Same.
1078         * useraction.cc: Same.
1079         * stmlock.h: Same.
1080         * memcpy.cc: Same.
1081         * common.h: Same.
1082         * config/generic/tls.cc: Same.
1083         * config/generic/cacheline.h: Same.
1084         * config/generic/cachepage.h: Same.
1085         * config/generic/cacheline.cc: Same.
1086         * config/generic/unaligned.h: Same.
1087         * config/x86/cacheline.h: Same.
1088         * config/x86/cacheline.cc: Same.
1089         * config/x86/unaligned.h: Same.
1090         * config/alpha/cacheline.h: Same.
1091         * config/alpha/unaligned.h: Same.
1092         * config/alpha/sjlj.S: Same.
1093         * config/posix/cachepage.cc: Same.
1094         * config/linux/futex.h: Same.
1095         * config/linux/alpha/futex_bits.h: Same.
1097 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1099         * libitm.texi: No cover text and invariant sections.
1101 2011-11-03  Richard Henderson  <rth@redhat.com>
1103         * local_type_traits: New file.
1104         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1106 2011-11-03  Richard Henderson  <rth@redhat.com>
1108         * configure.ac: Don't test for gfortran.
1109         * configure: Rebuild.
1111         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1112         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1114 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1116         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1117         * testsuite/libitm.c/memset-1.c: Same.
1118         * testsuite/libitm.c/c.exp: Same.
1119         * testsuite/lib/libitm-dg.exp: Same.
1120         * testsuite/lib/libitm.exp: Same.
1121         * testsuite/libitm.c++/c++.exp: Same.
1123 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1125         * testsuite/config/default.exp: Update copyright date.
1126         * configure.ac: Add copyright info.
1127         * configure.tgt: Same.
1129 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1131         * testsuite/libitm.c/reentrant.c: XFAIL.
1132         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1134 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1136         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1137         handle aborts.
1138         (_ITM_abortTransaction): Handle aborts of outer transactions.
1139         * libitm_i.h: Same.
1140         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1141         * libitm.texi: Document aborts of outer transactions.
1142         * testsuite/libitm.c/cancel.c: New file.
1144 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1146         * testsuite/*: Change __transaction to __transaction_atomic or
1147         __transaction_relaxed.
1149 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1151         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1152         (gtm_thr): Same.
1154 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1156         * libitm_i.h: Add gl_wt dispatch.
1157         * retry.cc (parse_default_method): Same.
1158         * method-gl.cc: New file.
1159         * Makefile.am: Use method-gl.cc.
1160         * Makefile.in: Rebuild.
1162 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1164         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1165         safety if requested by a TM method.
1166         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1167         privatization safety.
1168         * method-serial.cc: Same.
1170 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1172         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1173         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1174         undolog-related member functions from *_local to *_undolog.
1175         * local.cc (gtm_thread::commit_undolog): Same.
1176         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1177         (GTM::gtm_thread::rollback): Roll back undolog before
1178         dispatch-specific rollback.
1180 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1182         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1183         re-initialization of the current method group.
1184         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1186 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1188         * alloc.cc (commit_allocations_2): Do not free transaction-local
1189         memory when committing a nested transaction.
1191 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1193         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1194         serial-irrevocable dispatch, not serial.
1196 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1198         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1199         declarations.
1200         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1201         * method-serial.cc: Implement begin_or_restart().
1202         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1203         dispatch-specific begin_or_restart().
1204         (GTM::gtm_thread::restart): Same.
1206 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1208         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1209         restarting without switching to serial mode.
1210         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1211         transaction state. Choose closed-nesting alternative if available.
1212         (GTM::gtm_thread::set_default_dispatch): New.
1213         (parse_default_method): New.
1214         (GTM::gtm_thread::number_of_threads_changed): New.
1215         * method-serial.cc (GTM::serial_mg): New method group class.
1216         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1217         fini.
1218         (GTM::serial_dispatch): Same.
1219         (GTM::serialirr_onwrite_dispatch): Same.
1220         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1221         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1222         registered threads.
1223         (GTM::gtm_thread::gtm_thread): Same.
1224         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1225         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1226         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1227         choose dispatch but set state according to dispatch here.
1228         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1229         (GTM::method_group): New class.
1230         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1231         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1232         * libitm.texi: Document TM methods, method groups, method life cycle.
1233         Rename method sets to method groups.
1235 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1237         * config/x86/tls.h: Moved to ...
1238         * config/linux/x86/tls.h: ... here.
1240 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1242         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1243         Add X32 support.
1244         * config/x86/sjlj.S: Same.
1246 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1248         * config/linux/rwlock.h: New file.
1249         * config/linux/rwlock.c: New file.
1250         * configure.ac: Reenable futex support (undo SVN rev 157758).
1251         * Makefile.am: Same.
1252         * configure.tgt: Same.
1253         * config/linux/alpha/futex_bits.h: Same.
1254         * config/linux/futex.h: Same. Return number of woken processes.
1255         * config/linux/futex.cc: Same.
1256         (futex_wait): Remove spinning.
1257         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1258         Use __x86_64__ instead of __LP64__.
1259         * aclocal.m4: Include generic futex checks.
1260         * configure: Rebuild.
1261         * Makefile.in: Rebuild.
1262         * testsuite/Makefile.in: Rebuild.
1263         * beginend.cc: Include pthread.h.
1264         * config/posix/cachepage.cc: Same.
1266 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1268         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1269         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1270         (set_gtm_thr): New.
1271         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1272         (set_gtm_thr): New.
1273         (GTM::gtm_thread::thread_num): Removed.
1274         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1275         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1276         tx-to-thread renaming.
1277         * beginend.cc: Adapted to tx-to-thread renaming.
1278         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1279         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1280         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1281         gtm_transaction to gtm_thread.
1282         (_ITM_getThreadnum): Removed. Not supported anymore.
1283         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1284         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1285         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1286         gtm_tx-to-gtm_thr renaming if necessary.
1287         * eh_cpp.cc: Same.
1288         * local.cc: Same.
1289         * retry.cc: Same.
1290         * clone.cc: Same.
1291         * alloc.cc: Same.
1292         * alloc_c.cc: Same.
1293         * alloc_cpp.cc: Same.
1294         * method-serial.cc: Same.
1295         * config/generic/tls.cc: Same.
1296         * config/posix/rwlock.h (gtm_rwlock): Same.
1297         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1299 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1301         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1302         implementation.
1303         (gtm_rwlock::read_unlock): Same.
1304         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1305         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1306         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1307         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1308         w_upgrade. Replaced by per-transaction flags (in shared_state).
1309         Added c_confirmed_writers.
1310         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1311         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1312         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1313         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1314         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1315         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1316         * libitm.texi: Document locking conventions and implementations in
1317         libitm.
1319 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1321         * libitm_i.h (next_tx): Add list of all threads' transaction.
1322         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1323         transaction with list of transactions and ...
1324         (thread_exit_handler): ... deregister here.
1325         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1326         * config/x86/target.h: Same.
1328 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1330         * testsuite/libitm.c++/static_ctor.C: New file.
1332 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1334         * testsuite/libitm.c/reentrant.c: New file.
1336 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1338         * config/generic/tls.h: Remove the free list for transactions and ...
1339         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1340         (GTM::gtm_transaction::operator delete): ... and release here.
1341         (thread_exit_handler): New. Delete tx when thread terminates.
1342         (thread_exit_init): New.
1343         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1344         * testsuite/libitm.c/txrelease.c: New file.
1346 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1348         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1349         * testsuite/libitm.c/notx.c: New file.
1351 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1353         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1354         * libitm_i.h (local_tid): ... to here.
1355         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1356         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1358 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1360         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1361         serialirr_onwrite_dispatch as new default for now.
1362         * method-serial.cc (serialirr_onwrite_dispatch): New.
1363         (GTM::dispatch_serialirr_onwrite): New.
1364         * libitm_i.h: Same.
1366 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1368         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1369         * query.cc (_ITM_getTransactionId): There is no active transaction if
1370         the current nesting level is zero.
1372 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1374         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1375         rollback.
1377 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1379         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1380         transaction properties from the caller instead of from the
1381         transaction object.
1382         * libitm_i.h: Same.
1383         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1385 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1387         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1388         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1389         * dispatch.h: Same.
1390         * method-serial.cc: Same.
1391         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1392         flat nesting as default, and closed nesting on demand.
1393         (GTM::gtm_transaction::rollback): Same.
1394         (_ITM_abortTransaction): Same.
1395         (GTM::gtm_transaction::restart): Same.
1396         (GTM::gtm_transaction::trycommit): Same.
1397         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1398         (choose_code_path): New.
1399         (GTM::gtm_transaction_cp::save): New.
1400         (GTM::gtm_transaction_cp::commit): New.
1401         * query.cc (_ITM_inTransaction): Support flat nesting.
1402         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1403         (GTM::gtm_transaction): Support flat and closed nesting.
1404         * alloc.cc (commit_allocations_2): New.
1405         (commit_cb_data): New helper struct.
1406         (GTM::gtm_transaction::commit_allocations): Handle nested
1407         commits/rollbacks.
1408         * libitm.texi: Update user action section, add description of nesting.
1410 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1412         * libitm_i.h: Add closed nesting as restart reason.
1413         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1415 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1417         * useraction.cc: Use vector instead of list to store actions.
1418         Also support partial rollbacks for closed nesting.
1419         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1420         * beginend.cc: Same.
1422 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1424         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1425         closed_nesting flags, as well as a closed nesting alternative.
1426         * method-serial.cc: Same.
1427         (serial_dispatch): Renamed to serialirr_dispatch.
1428         (GTM::dispatch_serialirr): Same.
1429         (serial_dispatch_ul): Renamed to serial_dispatch.
1430         (GTM::dispatch_serial): Same.
1432 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1434         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1436 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1438         * aatree.h (aa_tree::remove): New.
1439         (aa_tree::operator new): Add placement new.
1441 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1443         * containers.h: New file.
1444         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1445         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1446         * common.h: ... to here.
1447         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1448         * local.cc: Same.
1450 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1452         * libitm_i.h (STATE_ABORTING): Remove.
1453         * beginend.cc (_ITM_abortTransaction): Same.
1454         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1455         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1456         (_ITM_rollbackTransaction): Remove.
1457         * beginend.cc: Same.
1458         * libitm.map: Same.
1459         * libitm.texi: Document these ABI changes.
1461 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1463         * libitm.texi: New file.
1464         * Makefile.am: Add libitm.texi.
1465         * Makefile.in: Rebuild.
1467 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1469         * libitm_i.h: Move parts to common.h and dispatch.h.
1470         * common.h: New file.
1471         * dispatch.h: New file, new dispatch class.
1472         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1473         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1474         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1475         decision to retry.cc.
1476         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1477         only.
1478         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1479         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1480         logging.
1481         * barrier.cc: Use new barriers definitions.
1482         (abi_dispatch::memmove_overlap_check): New.
1483         * config/x86/x86_sse.cc: Same.
1484         * config/x86/x86_avx.cc: Same.
1485         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1486         memcpy.cc.
1487         * Makefile.in: Rebuild.
1488         * method-readonly.cc: Remove.
1489         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1490         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1492 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1494         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1495         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1496         * testsuite/libitm.c/dropref-2.c: Same.
1497         * testsuite/libitm.c/dropref.c: Same.
1499 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1501         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1502         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1503         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1504         * alloc_c.cc: Same.
1505         * barrier.tpl: Same.
1506         * beginend.c: Same.
1507         * config/generic/tls.h: Same.
1508         * config/x86/tls.h: Same.
1509         * libitm_i.h: Same.
1510         * memcpy.cc: Same.
1511         * memset.cc: Same.
1512         * method-readonly.cc: Same.
1513         * method-serial.cc: Same.
1514         * method-wbetl.cc: Same.
1515         * retry.cc: Same.
1517 2011-03-03  Richard Henderson  <rth@redhat.com>
1519         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1520         From Patrik Marlier <patrick.marlier@unine.ch>.
1522 2011-02-03  Richard Henderson  <rth@redhat.com>
1524         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1525         * configure.ac: Use it.
1526         * configure, config.h.in: Rebuild.
1527         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1528         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1529         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1530         * libitm.map: Use wildcards to match size_t mangling.
1532 2010-12-14  Richard Henderson  <rth@redhat.com>
1534         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1535         blocks of TIDs per thread.
1536         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1537         (setup_gtm_thr): Return the thread structure.
1538         * config/x86/tls.h (setup_gtm_thr): Likewise.
1540 2010-12-14  Richard Henderson  <rth@redhat.com>
1542         * clone.cc (table_lock): Remove.
1543         (find_clone): Don't take it.
1544         (ExcludeTransaction): New helper class.
1545         (_ITM_registerTMCloneTable): Use it.
1546         (_ITM_deregisterTMCloneTable): Likewise.
1548 2010-12-14  Richard Henderson  <rth@redhat.com>
1550         * config/x86/tls.h: New file.
1552 2010-07-15  Richard Henderson  <rth@redhat.com>
1554         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1555         * Makefile.in: Rebuild.
1557 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1559         * method-wbetl.cc (trydropreference): Fix source line.
1561 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1563         * libitm.h: Add comment.
1564         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1566 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1568         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1569         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1570         available, use pthread mutexes.
1571         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1572         * config.h.in: Regenerate.
1573         * configure: Regenerate.
1575 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1577         * libitm.h (ITM_PURE): Define.
1578         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1580 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1582         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1583         (validate): Add comment.
1584         (trydropreference): New.
1585         * method-readonly.cc (class readonly_dispatch): Add
1586         trydropreference.
1587         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1588         Call trydropreference().
1589         * libitm.h (_ITM_dropReferences): Remove const attribute.
1590         * method-serial.cc (class serial_dispatch): Add trydropreference.
1591         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1593 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1595         * memcpy.cc (do_memcpy): Comment.
1597 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1599         * barrier.tpl: Add comments throughout.
1601 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1603         * method-wbetl.cc (struct w_entry): Add comments.
1604         (trycommit): Same.
1605         (rollback): Same.
1607 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1609         * alloc_c.cc (_ITM_dropReferences): New.
1610         * libitm.map (_ITM_dropReferences): Add.
1611         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1612         * libitm_i.h (struct gtm_transaction): Declare
1613         drop_references_allocations and drop_references_local.
1614         * local.cc (rollback_local): Ignore memory when applicable.
1615         (drop_references_local): New.
1617 2010-06-23  Richard Henderson  <rth@redhat.com>
1619         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1620         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1621         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1622         * config/alpha/target.h: Likewise.
1623         * config/generic/tls.cc (gtm_mask_stack): Use it.
1625 2010-06-23  Richard Henderson  <rth@redhat.com>
1627         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1628         a mutex instead of trying a lock-free compare-and-swap on the list.
1629         (gtm_cacheline_page::operator delete): Likewise.
1631 2010-06-16  Richard Henderson  <rth@redhat.com>
1633         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1634         that overlap the libitm stack.
1635         * barrier.tpl: Mark incoming stack.
1636         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1637         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1638         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1639         * memcpy.cc, memset.cc: Likewise.
1640         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1641         * config/generic/tls.h (gtm_thread): Add stack_top member.
1642         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1643         * libitm_i.h (gtm_mask_stack): Declare.
1644         * config/generic/tls.cc: New file.
1645         * Makefile.am (libitm_la_SOURCES): Add it.
1646         (AM_CXXFLAGS): Turn off exceptions.
1647         * Makefile.in: Rebuild.
1649 2010-06-16  Richard Henderson  <rth@redhat.com>
1651         * alloc.cc (struct gtm_alloc_action): Move definition ...
1652         * libitm_i.h: ... here.
1653         (class gtm_transaction): Declare new and delete.
1654         * beginend.cc (alloc_tx): Reformulate as operator new.
1655         (free_tx): Reformulate as operator delete.
1656         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1658 2010-06-11  Richard Henderson  <rth@redhat.com>
1660         * clone.cc (clone_entry_compare): Fix typo.
1661         From Patrik Marlier <patrick.marlier@unine.ch>.
1663 2010-05-13  Richard Henderson  <rth@redhat.com>
1665         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1666         in extern "C".
1668 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1670         * libitm_i.h (struct gtm_transaction): Remove
1671         get_allocation_size.
1672         (record_allocation): Remove size parameter.
1673         * libitm.map (_ITM_realloc): Remove.
1674         * alloc_c.cc (_ITM_realloc): Remove.
1675         (_ITM_malloc): Remove size argument to record_allocation.
1676         (_ITM_calloc): Same.
1677         * alloc_cpp.cc (_ZGTtnwm): Same.
1678         (_ZGTtnwmRKSt9nothrow_t): Same.
1679         (_ZGTtnam): Same.
1680         (_ZGTtnamRKSt9nothrow_t): Same.
1681         * alloc.cc (struct gtm_alloc_action): Remove size.
1682         (get_allocation_size): Remove.
1683         (commit_allocations): Add comment.
1684         (record_allocation): Remove size parameter.
1685         (forget_allocation): Remove set of size.
1687 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1689         * Makefile.am (abi_version): New.
1690         (AM_CXXFLAGS): Pass abi_version.
1691         * Makefile.in: Regenerate.
1692         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1694 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1696         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1697         _ITM_getTMCloneOrIrrevokable.
1698         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1699         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1701 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1703         * configure.ac: Remove Linux futex support.
1704         * configure.tgt (config_path): Same.
1705         * Makefile.am: Same.
1706         * config/linux: Remove entire directory.
1707         * configure: Rebuild.
1708         * Makefile.in: Rebuild.
1709         * testsuite/Makefile.in: Rebuild.
1711 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1713         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1714         switching to serial mode.
1715         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1717 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1719         * configure.tgt: Add emacs -*- tags.
1720         * barrier.tpl: Same.
1722 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1724         * Makefile.am: Rename serial.cc to method-serial.cc.
1725         * Makefile.in: Regenerate with automake 1.11.1.
1726         * testsuite/Makefile.in: Same.
1727         * aclocal.m4: Regenerate with aclocal 1.11.1.
1728         * method-serial.cc: Rename from serial.cc.
1729         * libitm_i.h (struct gtm_transaction): Update comment on
1730         serialirr_mode.
1732 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1734         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1735         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1737 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1739         * configure: Rebuild.
1741 2009-11-12  Richard Henderson  <rth@redhat.com>
1743         * Rewrite everything in C++.
1745 2009-11-03  Richard Henderson  <rth@redhat.com>
1747         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1748         * Makefile.am (libitm_la_SOURCES): Add them.
1749         * configure.ac (ARCH_X86): New conditional.
1750         * Makefile.in, configure: Rebuild.
1751         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1752         Move futex setup into "other system configury" case.
1753         * local.c (rollback_local): Merge into ...
1754         (GTM_rollback_local): ... here.
1755         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1756         (_ITM_LB): Define as an alias to GTM_LB.
1758 2009-11-03  Richard Henderson  <rth@redhat.com>
1760         * method-readonly.c: New file.
1761         * Makefile.am (libitm_la_SOURCES): Add it.
1762         * Makefile.in: Rebuild.
1763         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1764         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1765         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1766         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1767         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1768         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1769         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1770         gtm_get_clock, gtm_inc_clock): New.
1771         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1772         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1773         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1774         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1775         replace uses with new libitm_i.h symbols.
1776         (dispatch_wbetl): Rename from wbetl_dispatch.
1777         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1778         away from dispatch_readonly; abort if the beginTransaction call
1779         asserted that the transaction was readonly.
1781 2009-11-03  Richard Henderson  <rth@redhat.com>
1783         * memset.c: New file.
1784         * Makefile.am (libitm_la_SOURCES): Add it.
1785         * Makefile.in: Rebuild.
1786         * testsuite/libitm.c/memset-1.c: New.
1788 2009-11-03  Richard Henderson  <rth@redhat.com>
1790         * dispatch.c: Remove file.
1791         * useraction.c (struct gtm_user_action): Move from libitm.h.
1792         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1793         (serial_memset, serial_memmove, serial_memcpy): Remove.
1794         (serial_W*, serial_R*): Remove.
1795         (serial_dispatch): Update to match.
1796         * configure.ac: Move Werror down below configure checks.  Don't
1797         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1798         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1799         Use GCC_AC_FUNC_MMAP_BLACKLIST
1800         * libitm.h: Split out all internal items to...
1801         * libitm_i.h: ... here.  New file.
1802         * copymask.c: New file.
1803         * local.c (struct gtm_local_undo): Move from libitm.h.
1804         (GTM_alloc_local): Rename from alloc_local; export.
1805         * memcpy.c: New file.
1806         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1807         * config/posix/page.c: New file.
1808         * config/posix/target_tls.h: Remove file.
1809         * barrier.c: New file.
1810         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1811         copymask.c, page.c.
1812         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1813         * method-wbetl.c: Rewrite for new cacheline methods.
1814         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1816         * config/alpha/sjlj.S: Fix typo.
1817         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1818         * config/alpha/copymask.c: New file.
1819         * config/alpha/target.h (CACHELINE_SIZE): New.
1820         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1822         * config/x86/target_i.h: Copy functions from x86/target.h.
1823         * config/x86/copymask.c: New file.
1824         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1825         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1826         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1827         * config/x86/target_tls.h: Move contents to target_i.h.
1829         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1830         * testsuite/libitm.c/memcpy-1.c: New.
1832 2009-10-22  Richard Henderson  <rth@redhat.com>
1834         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1835         (AM_CCASFLAGS): New.
1836         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1837         saving/restoring _AC_ARG_VAR_PRECIOUS.
1838         * Makefile.in, aclocal.m4, config.h.in, configure,
1839         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1841 2009-10-22  Richard Henderson  <rth@redhat.com>
1843         * testsuite/*: Update for new compiler syntax.
1845 2009-10-21  Richard Henderson  <rth@redhat.com>
1847         * libitm.h (_ITM_abortReason): Add outerAbort.
1849 2009-08-03  Richard Henderson  <rth@redhat.com>
1851         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1852         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1853         * method-wbetl.c (struct w_entry): Remove mask.
1854         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1855         adjust all callers.
1857 2009-07-22  Richard Henderson  <rth@redhat.com>
1859         * eh_cpp.c: New file.
1860         * Makefile.am (libitm_la_SOURCES): Add it.
1861         * Makefile.in: Rebuild.
1862         * beginend.c (GTM_rollback_transaction): Undo exception state.
1863         (GTM_trycommit_transaction): Mark inline.
1864         (GTM_trycommit_and_finalize_transaction): Split out from ...
1865         (_ITM_commitTransaction): ... here.
1866         (_ITM_commitTransactionEH): New function.
1867         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1868         cxa_unthrown, eh_in_flight; reorder.
1870         * testsuite/libitm.c++/c++.exp: New.
1871         * testsuite/libitm.c++/eh-1.C: New.
1873         * aatree.c (aa_free): Remove REGPARM.
1874         * aatree.h: Remove all REGPARM.
1876 2009-07-18  Richard Henderson  <rth@redhat.com>
1878         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1879         * Makefile.am (libitm_la_SOURCES): Add them.
1880         * Makefile.in: Rebuild.
1881         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1882         (GTM_trycommit_transaction): Likewise.
1883         * libitm.h: Include aatree.h
1884         (struct gtm_alloc_action): New.
1885         (struct gtm_transaction): Add alloc_actions.
1886         (GTM_record_allocation, GTM_forget_allocation): Declare.
1887         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1888         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1889         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1890         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1891         _ZGTtdaPvRKSt9nothrow_t): Export.
1893 2009-07-18  Richard Henderson  <rth@redhat.com>
1895         * target_tls.h: Move ...
1896         * config/posix/target_tls.h: ... here.
1898 2009-07-07  Richard Henderson  <rth@redhat.com>
1900         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1902 2009-07-07  Richard Henderson  <rth@redhat.com>
1904         * Update to GPL3.
1906 2009-07-07  Richard Henderson  <rth@redhat.com>
1908         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1909         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1911         * configure.tgt: Don't use -ftls-model for x86 linux.
1912         * libitm.h: Include target.h after standard includes.
1913         (_gtm_thr): Rename from gtm_thr.
1914         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1915         (gtm_disp, set_gtm_disp): New.
1916         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1917         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1918         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1920 2009-07-07  Richard Henderson  <rth@redhat.com>
1922         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1924 2009-07-06  Richard Henderson  <rth@redhat.com>
1926         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1927         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1928         (_ITM_beginTransaction): Take variadic arguments.
1929         (_ITM_registerThrownObject): Declare.
1930         * beginend.c, serial.c: Update.
1931         * libitm.map: Add _ITM_registerThrownObject.
1933 2009-01-28  Richard Henderson  <rth@redhat.com>
1935         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1936         * Makefile.in: Rebuild.
1937         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1938         (GTM_restart_transaction): Fix uninstrumented code check.
1939         * retry.c (GTM_decide_retry_strategy): Add serial check.
1940         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1941         automatically go irrevokable when in serial mode.
1942         * clone.c: New file.
1943         * libitm.h, libitm.map: Update.
1945 2009-01-27  Richard Henderson  <rth@redhat.com>
1947         * Makefile.am (LTCCASCOMPILE): Define.
1948         (libitm_la_SOURCES): Add methid-wbetl.c.
1949         * testsuite/Makefile.am: New
1950         * configure.ac: Add testsuite/Makefile.
1951         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1952         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1953         (_ITM_abortTransaction): Finalize implementation method; pass
1954         transaction properties to longjmp.
1955         (GTM_restart_transaction): Split out from ...
1956         (_ITM_commitTransaction): ... here.
1957         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1958         Move to config/x86/target.h.
1959         * config/linux/alpha/futex_bits.h: New.
1960         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1961         * config/x86/target.h: Disable target types for 32-bit.
1962         * config/alpha/sjlj.S, config/alpha/target.h: New.
1963         * libitm.h (struct gtm_dispatch): Add init, fini.
1964         (enum restart_reason): New.
1965         (struct gtm_transaction): Add method and restarts.
1966         * retry.c (GTM_decide_retry_strategy): Implement.
1967         * serial.c (serial_init, serial_fini): New.
1968         (GTM_serialmode): Finialize outgoing method.
1969         * method-wbetl.c: New.
1971 2008-12-09  Richard Henderson  <rth@redhat.com>
1973         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1974         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1975         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1976         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1977         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1978         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1979         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1980         * serial.c (serial_R##T, serial_W##T): Likewise.
1982 2008-11-21  Richard Henderson  <rth@redhat.com>
1984         * Initial commit.
1986 Copyright (C) 2008-2016 Free Software Foundation, Inc.
1988 Copying and distribution of this file, with or without modification,
1989 are permitted in any medium without royalty provided the copyright
1990 notice and this notice are preserved.