2017-04-20 Edward Smith-Rowland <3dw4rd@verizon.net>
[official-gcc.git] / libitm / ChangeLog
blob07ab1fc2629b9f0a5a349c4d5846b329722d86ed
1 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
3         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
5 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
7         PR other/79046
8         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
9         of cat to get version from BASE-VER file.
10         * testsuite/Makefile.in: Regenerated.
12 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
14         * config/x86/target.h (htm_available): Determine vendor from
15         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
17 2017-01-18  Torvald Riegel  <triegel@redhat.com>
19         * config/x86/target.h (htm_available): Add check for some processors
20         on which TSX is broken.
22 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24         PR other/79046
25         * configure.ac: Add GCC_BASE_VER.
26         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
27         get version from BASE-VER file.
28         * testsuite/Makefile.in: Regenerated.
29         * configure: Regenerated.
30         * Makefile.in: Regenerated.
32 2017-01-04  Alan Modra  <amodra@gmail.com>
34         * Makefile.in: Regenerate.
35         * testsuite/Makefile.in: Regenerate.
37 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
39         Update copyright years.
41         * libitm.texi: Bump @copying's copyright year.
43 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
45         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
46         * aclocal.m4: Regenerate.
47         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
48         LIBITM_CHECK_LINKER_HWCAP.
50 2016-11-15  Matthias Klose  <doko@ubuntu.com>
52         * configure: Regenerate.
54 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
56         PR libitm/70456
57         * util.cc (xmalloc): Use posix_memalign to allocate memory on
58         on cache line if requested.
60 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
62         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
63         function attribute to disable floating point in begin_transaction() on
64         S/390.
65         * beginend.cc (begin_transaction): Use
66         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
68 2016-01-22  Torvald Riegel  <triegel@redhat.com>
70         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
71         boundary.
72         (htm_fastpath): Remove.
73         (gtm_thread::begin_transaction): Fix HTM fastpath.
74         (_ITM_commitTransaction): Adapt.
75         (_ITM_commitTransactionEH): Adapt.
76         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
77         and accessors.
78         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
79         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
80         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
81         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
82         * libitm/method-serial.cc (htm_mg): Adapt.
83         (gtm_thread::serialirr_mode): Adapt.
84         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
86 2016-01-21  Torvald Riegel  <triegel@redhat.com>
88         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
89         or AIX.
91 2016-01-19  Richard Henderson  <rth@redhat.com>
93         PR bootstrap/69343
94         PR bootstrap/69339
95         Revert:
96         2016-01-13  Richard Henderson  <rth@redhat.com>
98         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
99         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
100         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
101         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
102         * configure.ac (ARCH_AARCH64): New conditional.
103         (ARCH_PPC, ARCH_S390): Likewise.
104         * Makefile.in, configure: Rebuild.
106         * libitm.h (_ITM_TYPE_M128): Always define.
107         * vect64.cc: Split ...
108         * vect128.cc: ... out of...
109         * config/x86/x86_sse.cc: ... here.
110         * config/arm/neon.cc: New file.
112 2016-01-19  Torvald Riegel  <triegel@redhat.com>
114         * local_type_traits: Remove file.
115         * libitm_i.h: Don't include it anymore.
116         (sized_integral): Remove.
118 2016-01-16  Torvald Riegel  <triegel@redhat.com>
120         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
121         safety.
122         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
123         * libitm/testsuite/libitm.c/priv-1.c: New.
125 2015-01-15  Torvald Riegel  <triegel@redhat.com>
127         testsuite/libitm.c++/libstdc++-safeexc.C: New.
129 2016-01-13  Torvald Riegel  <triegel@redhat.com>
131         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
132         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
133         (gtm_rwlock::write_unlock): Likewise.
135 2016-01-13  Richard Henderson  <rth@redhat.com>
137         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
138         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
139         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
140         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
141         * configure.ac (ARCH_AARCH64): New conditional.
142         (ARCH_PPC, ARCH_S390): Likewise.
143         * Makefile.in, configure: Rebuild.
145         * libitm.h (_ITM_TYPE_M128): Always define.
146         * vect64.cc: Split ...
147         * vect128.cc: ... out of...
148         * config/x86/x86_sse.cc: ... here.
149         * config/arm/neon.cc: New file.
151 2016-01-13  Torvald Riegel  <triegel@redhat.com>
153         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
154         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
155         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
156         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
157         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
158         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
159         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
160         (serialirr_dispatch::snapshot_most_recent): New.
161         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
163 2016-01-12  Torvald Riegel  <triegel@redhat.com>
165         * libitm_i.h (gtm_mask_stack): Remove.
166         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
167         * stmlock.h: Remove file.
168         * config/alpha/cacheline.h: Likewise.
169         * config/generic/cacheline.h: Likewise.
170         * config/powerpc/cacheline.h: Likewise.
171         * config/sparc/cacheline.h: Likewise.
172         * config/x86/cacheline.h: Likewise.
174 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
176         Update copyright years.
178         * libitm.texi: Bump @copying's copyright year.
180 2015-11-26  Torvald Riegel  <triegel@redhat.com>
182         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
183         (ml_wt_dispatch::pre_write): Adapt.
184         (ml_wt_dispatch::pre_load): Likewise.
186 2015-11-22  Torvald Riegel  <triegel@redhat.com>
188         * libitm_i.h (gtm_alloc_action): Remove union.
189         * testsuite/libitm.c/alloc-1.c: New.
191 2015-11-19  Torvald Riegel  <triegel@redhat.com>
193         * testsuite/libitm.c++/eh-5.C: New.
194         * libitm.h (_ITM_cxa_free_exception): New.
195         * libitm.map (_ITM_cxa_free_exception): Add it.
196         * libitm.texi: Update ABI docs.
197         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
198         (gtm_transaction_cp::cxa_uncaught_count): Add.
199         (gtm_thread::cxa_unthrown): Remove.
200         (gtm_thread::cxa_uncaught_count_ptr): Add.
201         (gtm_thread::cxa_uncaught_count): Add.
202         (gtm_thread::drop_references_allocations): Rename to...
203         (gtm_thread::discard_allocation): ... this and adapt.
204         (gtm_thread::init_cpp_exceptions): New.
205         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
206         (gtm_thread::begin_transaction): Likewise.
207         (gtm_transaction_cp::save): Likewise.
208         (gtm_thread::trycommit): Likewise.
209         * eh_cpp.cc: Add overview comments.
210         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
211         (free_any_exception, _ITM_cxa_free_exception): New.
212         (gtm_thread::init_cpp_exceptions): Define.
213         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
214         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
215         (gtm_thread::revert_cpp_exceptions): Likewise.
217 2015-11-09  Torvald Riegel  <triegel@redhat.com>
219         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
220         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
221         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
222         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
223         (gtm_thread::forget_allocations): New overload with size_t argument.
224         * alloc.c (gtm_thread::forget_allocation): Define new overload and
225         adapt existing one.
226         (gtm_thread::record_allocation): Adapt.
227         (gtm_thread::commit_allocations_1): Adapt.
228         (gtm_thread::commit_allocations_2): Adapt.
229         * testsuite/libitm.c++/newdelete.C: New.
231 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
232             Joseph Myers  <joseph@codesourcery.com>
233             Mark Shinwell  <shinwell@codesourcery.com>
234             Andrew Stubbs  <ams@codesourcery.com>
235             Rich Felker <dalias@libc.org>
237         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
238         GTM_begin_transaction for compatibility with FDPIC.
240 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
242         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
243         using load_gcc_lib.
245 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
247         PR libitm/61164
248         * local_atomic (__always_inline): Rename to...
249         (__libitm_always_inline): ... this.
251 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
253         PR target/52482
254         * config/powerpc/sjlj.S: Port to Xcode 2.5.
256 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
258         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
259         operands "op" and "val" to int.
261 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
263         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
264         "op" and "val" to int.
266 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
268         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
269         "op" and "val" to int.
271 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
273         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
274         Declare as static int.
275         (FUTEX_PRIVATE_FLAG): Remove L suffix.
276         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
278 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
280         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
281         sys_futex0 function.
283 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
285         * Makefile.in: Regenerated with automake-1.11.6.
286         * aclocal.m4: Likewise.
287         * configure: Likewise.
288         * testsuite/Makefile.in: Likewise.
290 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
292         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
293         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
295 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
297         PR libitm/64360
298         * libitm.c/stackundo.c (test2): Make it static.
299         (test1): Likewise.
301 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
303         Update copyright years.
305 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
307         * libitm.texi: Bump @copying's copyright year.
309 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
311         * testsuite/lib/libitm.exp: Load target-utils.exp.
312         Move load of target-supports.exp earlier.
314 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
316         * configure.tgt (x86_64): Tune -m32 multilib to generic.
318 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
320         PR bootstrap/63784
321         * configure: Regenerated.
323 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
325         PR target/63610
326         * configure: Regenerate.
328 2014-10-06  Marek Polacek  <polacek@redhat.com>
330         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
331         * testsuite/libitm.c/memset-1.c: Likewise.
333 2014-07-24  Richard Henderson  <rth@redhat.com>
335         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
336         addressing mode in epilogue.
338 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
340         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
341         -mclear-hwcap instead.
342         * configure: Regenerate.
343         * clearcap.map: Remove.
345 2014-05-21  John Marino  <gnugcc@marino.st>
347         * configure.tgt (*-*-dragonfly*): New target.
349 2014-05-19  Richard Henderson  <rth@redhat.com>
351         * config/aarch64/sjlj.S: New file.
352         * config/aarch64/target.h: New file.
353         * configure.tgt: Enable aarch64.
355 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
357         * config/generic/asmcfi.h: Also check for
358         __GCC_HAVE_DWARF2_CFI_ASM.
360 2013-04-02  Richard Henderson  <rth@redhat.com>
362         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
363         * config/arm/target.h, config/sh/target.h: Likewise.
364         * config/sparc/target.h, config/x86/target.h: Likewise.
366 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
368         * config/linux/futex_bits.h: Include errno.h.
369         (sys_futex0): If syscall returns -1, return -errno rather than
370         -1.
372 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
374         * libitm.texi (Index): Rename to Library Index.
376 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
378         PR libitm/53113
379         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
380         (x86_avx.lo): Append -mavx to CXXFLAGS.
381         * Makefile.in: Regenerate.
383 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
385         Update copyright years
387 2014-01-02  Tobias Burnus  <burnus@net-b.de>
389         * libitm.texi: Bump @copying's copyright year.
391 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
393         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
394         (FUNC): Define ELFv2 variant.
395         (END): Likewise.
396         (HIDDEN): Likewise.
397         (CALL): Likewise.
398         (BASE): Likewise.
399         (LR_SAVE): Likewise.
401 2013-09-20  Alan Modra  <amodra@gmail.com>
403         * configure: Regenerate.
405 2013-08-30  Torvald Riegel  <triegel@redhat.com>
407         * config/posix/rwlock.cc: Fix initialization order.
409 2013-08-30  Torvald Riegel  <triegel@redhat.com>
411         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
412         (htm_fastpath): Assign an asm name.
413         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
414         HTM fast paths.
415         (_ITM_actions): Likewise.
416         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
417         x86_64.
418         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
419         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
420         field to the start of the structure.
421         * config/linux/rwlock.h (gtm_rwlock): Update comments.
422         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
423         handling for custom HTM fast paths.
425 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
426         Revert:
427         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
429         * configure.tgt: Add -msoft-float to XCFLAGS.
431 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
433         * configure.tgt: Add -msoft-float to XCFLAGS.
435 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
437         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
438         (htm_transaction_active): Enable zEC12 instructions in the
439         assembler.
440         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
442 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
444         * acinclude.m4: Add htm asm check for s390.
445         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
446         * configure: Regenerate.
447         * config/s390/target.h: Remove __HTM__ check.
448         (htm_available): Call getauxval to get hwcaps and check whether
449         HTM is available or not.
451 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
453         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
454         * configure.ac: Use it.
455         (AC_CHECK_HEADERS): Check for sys/auxv.h.
456         (AC_CHECK_FUNCS): Check for getauxval.
457         * config.h.in, configure: Rebuild.
458         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
459         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
460         (USE_HTM_FASTPATH): Define.
461         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
462         _HTM_RETRIES) New macros.
463         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
464         htm_begin_success, htm_commit, htm_transaction_active): New functions.
466 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
468         * config/s390/target.h: Include htmintrin.h.
469         (_HTM_ITM_RETRIES): New macro definition.
470         (htm_available, htm_init, htm_begin, htm_begin_success)
471         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
473 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
474             Cesar Philippidis  <cesar@codesourcery.com>
476         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
477         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
478         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
479         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
481 2013-06-20  Torvald Riegel  <triegel@redhat.com>
483         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
484         (_ITM_getTransactionId): Same.
485         * config/x86/target.h (htm_transaction_active): New.
487 2013-06-20  Torvald Riegel  <triegel@redhat.com>
489         PR libitm/57643
490         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
491         the HTM fastpath.
493 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
495         PR bootstrap/56714
496         * local_atomic (__always_inline): Always define our version.
497         (__calculate_memory_order): Mark inline.
498         (atomic_thread_fence): Ditto.
499         (atomic_signal_fence): Ditto.
500         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
501         (atomic_bool::atomic_flag_clear_explicit): Ditto.
502         (atomic_bool::atomic_flag_test_and_set): Ditto.
503         (atomic_bool::atomic_flag_clear): Ditto.
505 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
507         * config/s390/sjlj.S: New file.
508         * config/s390/target.h: New file.
509         * configure.tgt: Set options for S/390.
511 2013-03-23  Andi Kleen  <ak@linux.intel.com>
513         * local_atomic (__always_inline): Add.
514         (__calculate_memory_order, atomic_thread_fence,
515          atomic_signal_fence, test_and_set, clear, store, load,
516          exchange, compare_exchange_weak, compare_exchange_strong,
517          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
518         Add __always_inline to force inlining.
520 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
521             Jack Howarth  <howarth@bromo.med.uc.edu>
522             Patrick Marlier  <patrick.marlier@gmail.com>
524         PR libitm/55693
525         * alloc_cpp.cc: Enable function declarations on darwin.
526         * eh_cpp.cc: Likewise.
528 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
530         Update copyright years.
532 2012-11-09  Torvald Riegel  <triegel@redhat.com>
534         * beginend.cc (htm_fastpath): New.
535         (gtm_thread::begin_transaction, _ITM_commitTransaction,
536         _ITM_commitTransactionEH): Add HTM fastpath handling.
537         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
538         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
539         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
540         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
541         * configure.tgt: Add -mrtm to XCFLAGS.
542         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
543         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
544         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
545         * retry.cc (parse_default_method): Add HTM method parsing.
546         (gtm_thread::number_of_threads_changed): Use HTM by default if
547         available.
549 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
551         * configure: Regenerate.
553 2012-10-31  Richard Henderson  <rth@redhat.com>
555         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
556         * configure.ac: Use it.
557         * config.h.in, configure: Rebuild.
558         * testsuite/Makefile.in: Rebuild.
560 2012-10-24  Torvald Riegel  <triegel@redhat.com>
562         * libitm.texi: Clarify ABI requirements for data-logging functions.
564 2012-10-24  Torvald Riegel  <triegel@redhat.com>
566         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
567         it requires serial mode instead of assuming that for certain
568         dispatchs.
569         * dispatch.h (abi_dispatch::requires_serial): New.
570         (abi_dispatch::abi_dispatch): Adapt.
571         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
572         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
573         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
574         serial_dispatch::serial_dispatch,
575         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
577 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
579         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
580         and ia32 declarations some more.
581         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
583 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
585         PR other/43620
586         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
587         * configure: Regenerate.
588         * Makefile.in: Regenerate.
590 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
592         * configure: Regenerated.
594 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
596         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
598 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
600         * eh_cpp.cc: Fix __cxa_end_catch declaration.
602 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
604         * configure: Regenerated.
606 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
608         PR libitm/52854
609         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
610         for x86-64.
612 2012-04-03  Tristan Gingold  <gingold@adacore.com>
614         * configure: Regenerate.
616 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
618         PR bootstrap/52812
619         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
621 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
623         * testsuite/lib/libitm.exp: load fortran-modules.exp
625 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
627         * configure.tgt (*-*-irix6*): Remove.
629 2012-03-13  Torvald Riegel  <triegel@redhat.com>
631         PR libitm/52526
632         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
633         wake-up.
635 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
637         * configure.tgt (*-*-osf*): Remove.
638         * configure: Regenerate.
640 2012-03-05  Torvald Riegel  <triegel@redhat.com>
642         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
643         memtransfer/memset if size isn't larger than zero.
645 2012-03-02  Torvald Riegel  <triegel@redhat.com>
647         * libitm.texi: Link to specification and add a usage example.
649 2012-02-24  Torvald Riegel  <triegel@redhat.com>
651         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
652         default dispatch for more than 1 thread to ml_wt.
654 2012-02-20  Torvald Riegel  <triegel@redhat.com>
656         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
658 2012-02-20  Torvald Riegel  <triegel@redhat.com>
660         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
662 2012-02-20  Torvald Riegel  <triegel@redhat.com>
664         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
665         serial mode corner cases made obsolete by prior gtm_rwlock changes.
666         (gl_wt_dispatch.rollback): Same.
668 2012-02-20  Torvald Riegel  <triegel@redhat.com>
670         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
672 2012-02-20  Torvald Riegel  <triegel@redhat.com>
674         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
675         for RfW src.  Optimize number of calls to gtm_thr.
677 2012-02-20  Torvald Riegel  <triegel@redhat.com>
679         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
680         acquisition to ...
681         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
682         (default_dispatch): Make atomic.
683         (GTM::gtm_thread::set_default_dispatch): Access atomically.
684         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
685         use decide_begin_dispatch() if default_dispatch might have changed.
686         (GTM::gtm_thread::number_of_threads_changed): Initialize
687         default_dispatch here.
689 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
690             Patrick Marlier  <patrick.marlier@gmail.com>
692         PR libitm/52220
693         * alloc_cpp.cc: No dummy definitions for darwin.
694         * eh_cpp.cc: Likewise.
696 2012-02-14  Richard Henderson  <rth@redhat.com>
698         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
700 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
702         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
704 2012-02-14  Torvald Riegel  <triegel@redhat.com>
706         * libitm_i.h (GTM::gtm_rwlog_entry): New.
707         (GTM::gtm_thread): Add read and write logs.
708         (GTM::dispatch_ml_wt): Declare.
709         * retry.cc (parse_default_method): Support ml_wt.
710         * method-ml.cc: New file.
711         * Makefile.am: Add method-ml.cc.
712         * Makefile.in: Regenerate.
714 2012-02-14  Torvald Riegel  <triegel@redhat.com>
716         * dispatch.h (GTM::abi_dispatch::supports): New.
717         (GTM::method_group::reinit): New.
718         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
719         (GTM::gtm_thread::number_of_threads_changed): Check that the method
720         supports the current situation.
722 2012-02-14  Torvald Riegel  <triegel@redhat.com>
724         * util.cc (GTM::xcalloc): New.
725         * common.h (GTM::xcalloc): Declare.
727 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
729         * config/sparc/target.h (cpu_relax): Read from CC register.
730         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
732 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
734         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
736 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
738         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
739         * config/sparc/cacheline.h: New file.
740         * config/sparc/target.h: Likewise.
741         * config/sparc/sjlj.S: Likewise.
742         * config/linux/sparc/futex_bits.h: Likewise.
744 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
746         * configure.ac (link_itm): Fix comment.
747         * configure: Regenerate.
748         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
750 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
752         PR libitm/51822
753         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
754         Correct libgomp references.
756 2012-01-24  Torvald Riegel  <triegel@redhat.com>
758         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
759         wake-up.
761 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
763         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
764         end of structure.
765         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
766         offset values.  Do not copy return address.  Decrement stack
767         by 56 bytes only.
768         (GTM_longjump) [__x86_64__]: Update offset values.
770 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
772         PR libitm/51830
773         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
774         the first function argument to %eax.
776 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
778         * libitm.h (_ITM_getThreadnum): Remove.
779         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
781 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
783         * clearcap.map: New file.
784         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
785         * configure.ac: Call it.
786         Clear HWCAP_LDFLAGS if defaulting to -mavx.
787         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
788         * configure: Regenerate.
789         * Makefile.in: Regenerate.
790         * testsuite/Makefile.in: Regenerate.
792 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
794         PR libitm/51173
795         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
796         include, exclude options.
798 2012-01-14  Torvald Riegel  <triegel@redhat.com>
800         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
801         rolling back.
802         * containers.h (GTM::vector::set_size): New.
804 2012-01-14  Torvald Riegel  <triegel@redhat.com>
806         PR libitm/51855
807         * config/generic/tls.h (GTM::mask_stack_top): New.
808         (GTM::mask_stack_bottom): Declare.
809         * config/generic/tls.c (GTM::mask_stack_bottom): New.
810         * local.cc (gtm_undolog::rollback): Filter out any updates that
811         overlap the libitm stack.  Add current transaction as parameter.
812         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
813         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
814         * testsuite/libitm.c/stackundo.c: New test.
816 2012-01-10  Richard Henderson  <rth@redhat.com>
818         * libitm_i.h (_Unwind_DeleteException): Declare weak.
819         * eh_cpp.cc (_Unwind_DeleteException): Define for
820         !HAVE_ELF_STYLE_WEAKREF.
822 2012-01-08  Torvald Riegel  <triegel@redhat.com>
824         * local.cc (GTM_LB): Use GTM::gtm_undolog.
825         (GTM::gtm_thread::drop_references_undolog): Remove.
826         (GTM::gtm_thread::commit_undolog,
827         GTM::gtm_thread::rollback_undolog): Move to ...
828         * libitm_i.h (GTM::gtm_undolog): ...here. New.
829         (GTM::gtm_undolog_entry): Remove.
830         (GTM::gtm_thread): Adapt.
831         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
832         (GTM::gtm_thread::trycommit): Adapt.
833         * method-serial.cc (serial_dispatch::log): Adapt.
834         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
835         (gl_wt_dispatch::store): Fix likely/unlikely.
836         * containers.h (GTM::vector::resize): Add additional_capacity
837         parameter and handle it.
838         (GTM::vector::resize_noinline): New/adapt.
839         (GTM::vector::push): New.
841 2012-01-06  Richard Henderson  <rth@redhat.com>
843         * configure.tgt: Support powerpc-linux and powerpc-darwin.
844         * config/linux/powerpc/futex_bits.h: New file.
845         * config/powerpc/cacheline.h: New file.
846         * config/powerpc/sjlj.S: New file.
847         * config/powerpc/target.h: New file.
848         * config/generic/asmcfi.h (cfi_offset): New.
849         (cfi_restore, cfi_undefined): New.
851 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
853         PR other/51171
854         * testsuite/libitm.c/reentrant.c: Remove xfail.
855         (thread): Pass x to pure().
856         From Patrik Marlier <patrick.marlier@gmail.com>.
858 2011-12-24  Torvald Riegel  <triegel@redhat.com>
860         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
861         privatization safety if already in serial mode.
863 2011-12-24  Torvald Riegel  <triegel@redhat.com>
865         * beginend.cc (GTM::gtm_thread::restart): Add and handle
866         finish_serial_upgrade parameter.
867         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
868         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
869         Don't unset reader flag.
870         (GTM::gtm_rwlock::write_upgrade_finish): New.
871         * config/posix/rwlock.cc: Same.
872         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
873         Declare.
874         * config/posix/rwlock.h: Same.
875         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
876         flag after commit or after rollback when restarting.
878 2011-12-24  Torvald Riegel  <triegel@redhat.com>
880         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
881         (GTM::gtm_thread::try_commit): Changed memory order.
882         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
883         as parameter.
884         * config/linux/x86/futex_bits.h (sys_futex0): Same.
885         * config/linux/sh/futex_bits.h (sys_futex0): Same.
886         * config/linux/futex_bits.h (sys_futex0): Same.
887         * config/linux/futex.cc (futex_wait, futex_wake): Same.
888         * config/linux/futex.h (futex_wait, futex_wake): Same.
889         * config/linux/rwlock.h (gtm_rwlock::writers,
890         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
891         ints.
892         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
893         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
894         gtm_rwlock::write_unlock): Fix memory orders and fences.
895         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
896         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
897         gtm_rwlock::write_unlock): Same.
898         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
899         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
900         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
901         Add comments.
902         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
903         gl_wt_dispatch::load, gl_wt_dispatch::store,
904         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
905         orders and fences.  Add comments.
907 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
909         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
910         * Makefile.in: Regenerated.
912 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
914         * configure.tgt: Add sh* case.
915         * config/sh/target.h: New file.
916         * config/sh/sjlj.S: New file.
917         * config/linux/sh/futex_bits.h: New file.
919 2011-12-14  Richard Henderson  <rth@redhat.com>
921         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
922         * config/arm/sjlj.S, config/arm/target.h: New files.
923         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
924         (cfi_rel_offset): New.
925         * config/linux/futex_bits.h: New file.
926         * config/linux/futex.cc: Include futex_bits.h here...
927         * config/linux/futex.h: ... not here.
928         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
929         * configure.ac (ARCH_AM): New conditional.
930         * Makefile.in, configure: Rebuild.
931         * configure.tgt: Handle ARM.
933 2011-12-13  Richard Henderson  <rth@redhat.com>
935         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
936         signed/unsigned comparison werror.
938         * local_atomic: New file.
939         * libitm_i.h: Include it.
940         (gtm_thread::shared_state): Use atomic template.
941         * beginend.cc (GTM::gtm_clock): Use atomic template.
942         (global_tid): Use atomic template if 64-bit atomics available.
943         (gtm_thread::gtm_thread): Update shared_state access.
944         (gtm_thread::trycommit): Likewise.
945         (choose_code_path): Update global_tid access.
946         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
947         * stmlock.h (GTM::gtm_clock): Use atomic template.
948         (gtm_get_clock, gtm_inc_clock): Update accesses.
949         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
950         redundant __sync_synchronize after atomic shared_state access.
951         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
952         (gtm_rwlock::write_lock_generic): Likewise.
953         (gtm_rwlock::read_unlock): Likewise.
954         * config/alpha/target.h (atomic_read_barrier): Remove.
955         (atomic_write_barrier): Remove.
956         * config/x86/target.h (atomic_read_barrier): Remove.
957         (atomic_write_barrier): Remove.
959 2011-11-30  Richard Henderson  <rth@redhat.com>
961         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
962         * beginend.c (_ITM_abortTransaction): Update to match.
963         (GTM::gtm_thread::restart): Likewise.
964         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
965         * config/x86/sjlj.S (GTM_longjmp): Likewise.
967 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
969         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
970         * Makefile.in: Regenerate.
972 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
974         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
975         * alloc_cpp.cc: Generate dummy functions if we don't
976         HAVE_ELF_STYLE_WEAKREF.
977         * eh_cpp.cc: Likewise.
978         * configure: Regenerate.
979         * aclocal.m4:  Likewise.
980         * config.h.in: Likewise.
981         * Makefile.in: Likewise.
982         * testsuite/Makefile.in: Likewise.
984 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
986         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
987         __USER_LABEL_PREFIX__ for targets that use it.
988         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
989         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
990         in portability to non-elf targets.
991         (GTM_longjmp): Likewise.
992         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
993         where required.
995 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
997         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
998         * testsuite/libitm.c/memset-1.c: Likewise.
1000 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1002         * configure: Regenerate.
1004 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1006         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1007         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1008         * Makefile.am: Handle sun style versioning.
1009         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1010         * configure: Regenerate.
1011         * Makefile.in: Regenerate.
1013 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1015         * config/generic/asmcfi.h: Fix comment.
1016         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1017         sequence without .hidden support, error for non-ELF targets.
1018         (GTM_longjmp) [__ELF__]: Only use .hidden if
1019         HAVE_ATTRIBUTE_VISIBILITY.
1021 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1023         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1024         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1025         Dummy functions.
1026         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1027         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1029 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1031         PR bootstrap/51098
1032         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1033         * configure: Regenerate.
1035 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1037         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1039 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1041         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1042         .hidden.
1043         (.note.GNU-stack): Only use if __linux__.
1044         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1045         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1046         * testsuite/libitm.c/reentrant.c: Likewise.
1047         * testsuite/libitm.c/simple-2.c: Likewise.
1048         * testsuite/libitm.c/txrelease.c: Likewise.
1049         * testsuite/libitm.c++/static_ctor.C: Likewise.
1051 2011-11-10  Richard Henderson  <rth@redhat.com>
1053         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1054         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1055         * configure.ac (ARCH_X86_AVX): New conditional.
1056         * Makefile.in, configure: Rebuild.
1058 2011-11-09  Richard Henderson  <rth@redhat.com>
1060         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1061         * configure.ac: Use it.
1062         * config.h.in, configure: Rebuild.
1063         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1065 2011-11-09  Richard Henderson  <rth@redhat.com>
1067         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1068         * config/alpha/unaligned.h: Remove file.
1069         * config/generic/unaligned.h: Remove file.
1070         * config/x86/unaligned.h: Remove file.
1071         * config/generic/cachepage.h: Remove file.
1072         * config/posix/cachepage.cc: Remove file.
1073         * config/generic/cacheline.cc: Remove file.
1074         * config/x86/cacheline.cc: Remove file.
1075         * config/generic/cacheline.h (gtm_cacheline): Remove the
1076         store_mask, copy_mask, copy_mask_wb methods.
1077         * config/x86/cacheline.h: Likewise.
1078         * config/alpha/cacheline.h: Fall back to generic after setting size.
1079         * config/generic/tls.cc (gtm_mask_stack): Remove.
1080         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1081         (GTM_vpalignr_table): Remove.
1082         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1083         (GTM_pshift_table): Remove.
1084         * config/libitm_i.h: Don't include cachepage.h.
1085         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1086         * Makefile.in, testsuite/Makefile.in: Rebuild.
1088 2011-11-09  Richard Henderson  <rth@redhat.com>
1090         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1091         to emit branch prediction hint.
1093         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1094         Protect .note.GNU-stack with __linux__.
1096         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1097         * configure, aclocal.m4, config.h.in: Rebuild.
1098         * config/generic/asmcfi.h: New file.
1099         * config/x86/sjlj.S: Use it.
1101 2011-11-08  Richard Henderson  <rth@redhat.com>
1103         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1105 2011-11-08  Richard Henderson  <rth@redhat.com>
1107         * configure.tgt: Test correct directory for supported cpus.
1109         * configure.ac: Exit if unsupported.
1110         * configure: Rebuild.
1111         * configure.tgt: Delete boilerplate from libgomp for unsupported
1112         targets.  Set UNSUPPORTED for unsupported targets.
1114 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1116         * configure.tgt: Handle i386 like i[456]86.
1117         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1118         take address.
1119         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1120         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1122 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1124         * method-wbetl.cc: Update copyright notice.
1125         * aatree.cc: Same.
1126         * util.cc: Same.
1127         * libitm.h: Same.
1128         * memset.cc: Same.
1129         * eh_cpp.cc: Same.
1130         * barrier.tpl: Same.
1131         * useraction.cc: Same.
1132         * stmlock.h: Same.
1133         * memcpy.cc: Same.
1134         * common.h: Same.
1135         * config/generic/tls.cc: Same.
1136         * config/generic/cacheline.h: Same.
1137         * config/generic/cachepage.h: Same.
1138         * config/generic/cacheline.cc: Same.
1139         * config/generic/unaligned.h: Same.
1140         * config/x86/cacheline.h: Same.
1141         * config/x86/cacheline.cc: Same.
1142         * config/x86/unaligned.h: Same.
1143         * config/alpha/cacheline.h: Same.
1144         * config/alpha/unaligned.h: Same.
1145         * config/alpha/sjlj.S: Same.
1146         * config/posix/cachepage.cc: Same.
1147         * config/linux/futex.h: Same.
1148         * config/linux/alpha/futex_bits.h: Same.
1150 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1152         * libitm.texi: No cover text and invariant sections.
1154 2011-11-03  Richard Henderson  <rth@redhat.com>
1156         * local_type_traits: New file.
1157         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1159 2011-11-03  Richard Henderson  <rth@redhat.com>
1161         * configure.ac: Don't test for gfortran.
1162         * configure: Rebuild.
1164         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1165         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1167 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1169         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1170         * testsuite/libitm.c/memset-1.c: Same.
1171         * testsuite/libitm.c/c.exp: Same.
1172         * testsuite/lib/libitm-dg.exp: Same.
1173         * testsuite/lib/libitm.exp: Same.
1174         * testsuite/libitm.c++/c++.exp: Same.
1176 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1178         * testsuite/config/default.exp: Update copyright date.
1179         * configure.ac: Add copyright info.
1180         * configure.tgt: Same.
1182 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1184         * testsuite/libitm.c/reentrant.c: XFAIL.
1185         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1187 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1189         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1190         handle aborts.
1191         (_ITM_abortTransaction): Handle aborts of outer transactions.
1192         * libitm_i.h: Same.
1193         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1194         * libitm.texi: Document aborts of outer transactions.
1195         * testsuite/libitm.c/cancel.c: New file.
1197 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1199         * testsuite/*: Change __transaction to __transaction_atomic or
1200         __transaction_relaxed.
1202 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1204         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1205         (gtm_thr): Same.
1207 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1209         * libitm_i.h: Add gl_wt dispatch.
1210         * retry.cc (parse_default_method): Same.
1211         * method-gl.cc: New file.
1212         * Makefile.am: Use method-gl.cc.
1213         * Makefile.in: Rebuild.
1215 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1217         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1218         safety if requested by a TM method.
1219         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1220         privatization safety.
1221         * method-serial.cc: Same.
1223 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1225         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1226         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1227         undolog-related member functions from *_local to *_undolog.
1228         * local.cc (gtm_thread::commit_undolog): Same.
1229         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1230         (GTM::gtm_thread::rollback): Roll back undolog before
1231         dispatch-specific rollback.
1233 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1235         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1236         re-initialization of the current method group.
1237         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1239 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1241         * alloc.cc (commit_allocations_2): Do not free transaction-local
1242         memory when committing a nested transaction.
1244 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1246         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1247         serial-irrevocable dispatch, not serial.
1249 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1251         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1252         declarations.
1253         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1254         * method-serial.cc: Implement begin_or_restart().
1255         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1256         dispatch-specific begin_or_restart().
1257         (GTM::gtm_thread::restart): Same.
1259 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1261         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1262         restarting without switching to serial mode.
1263         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1264         transaction state. Choose closed-nesting alternative if available.
1265         (GTM::gtm_thread::set_default_dispatch): New.
1266         (parse_default_method): New.
1267         (GTM::gtm_thread::number_of_threads_changed): New.
1268         * method-serial.cc (GTM::serial_mg): New method group class.
1269         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1270         fini.
1271         (GTM::serial_dispatch): Same.
1272         (GTM::serialirr_onwrite_dispatch): Same.
1273         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1274         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1275         registered threads.
1276         (GTM::gtm_thread::gtm_thread): Same.
1277         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1278         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1279         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1280         choose dispatch but set state according to dispatch here.
1281         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1282         (GTM::method_group): New class.
1283         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1284         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1285         * libitm.texi: Document TM methods, method groups, method life cycle.
1286         Rename method sets to method groups.
1288 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1290         * config/x86/tls.h: Moved to ...
1291         * config/linux/x86/tls.h: ... here.
1293 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1295         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1296         Add X32 support.
1297         * config/x86/sjlj.S: Same.
1299 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1301         * config/linux/rwlock.h: New file.
1302         * config/linux/rwlock.c: New file.
1303         * configure.ac: Reenable futex support (undo SVN rev 157758).
1304         * Makefile.am: Same.
1305         * configure.tgt: Same.
1306         * config/linux/alpha/futex_bits.h: Same.
1307         * config/linux/futex.h: Same. Return number of woken processes.
1308         * config/linux/futex.cc: Same.
1309         (futex_wait): Remove spinning.
1310         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1311         Use __x86_64__ instead of __LP64__.
1312         * aclocal.m4: Include generic futex checks.
1313         * configure: Rebuild.
1314         * Makefile.in: Rebuild.
1315         * testsuite/Makefile.in: Rebuild.
1316         * beginend.cc: Include pthread.h.
1317         * config/posix/cachepage.cc: Same.
1319 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1321         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1322         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1323         (set_gtm_thr): New.
1324         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1325         (set_gtm_thr): New.
1326         (GTM::gtm_thread::thread_num): Removed.
1327         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1328         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1329         tx-to-thread renaming.
1330         * beginend.cc: Adapted to tx-to-thread renaming.
1331         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1332         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1333         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1334         gtm_transaction to gtm_thread.
1335         (_ITM_getThreadnum): Removed. Not supported anymore.
1336         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1337         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1338         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1339         gtm_tx-to-gtm_thr renaming if necessary.
1340         * eh_cpp.cc: Same.
1341         * local.cc: Same.
1342         * retry.cc: Same.
1343         * clone.cc: Same.
1344         * alloc.cc: Same.
1345         * alloc_c.cc: Same.
1346         * alloc_cpp.cc: Same.
1347         * method-serial.cc: Same.
1348         * config/generic/tls.cc: Same.
1349         * config/posix/rwlock.h (gtm_rwlock): Same.
1350         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1352 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1354         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1355         implementation.
1356         (gtm_rwlock::read_unlock): Same.
1357         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1358         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1359         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1360         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1361         w_upgrade. Replaced by per-transaction flags (in shared_state).
1362         Added c_confirmed_writers.
1363         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1364         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1365         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1366         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1367         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1368         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1369         * libitm.texi: Document locking conventions and implementations in
1370         libitm.
1372 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1374         * libitm_i.h (next_tx): Add list of all threads' transaction.
1375         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1376         transaction with list of transactions and ...
1377         (thread_exit_handler): ... deregister here.
1378         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1379         * config/x86/target.h: Same.
1381 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1383         * testsuite/libitm.c++/static_ctor.C: New file.
1385 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1387         * testsuite/libitm.c/reentrant.c: New file.
1389 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1391         * config/generic/tls.h: Remove the free list for transactions and ...
1392         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1393         (GTM::gtm_transaction::operator delete): ... and release here.
1394         (thread_exit_handler): New. Delete tx when thread terminates.
1395         (thread_exit_init): New.
1396         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1397         * testsuite/libitm.c/txrelease.c: New file.
1399 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1401         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1402         * testsuite/libitm.c/notx.c: New file.
1404 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1406         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1407         * libitm_i.h (local_tid): ... to here.
1408         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1409         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1411 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1413         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1414         serialirr_onwrite_dispatch as new default for now.
1415         * method-serial.cc (serialirr_onwrite_dispatch): New.
1416         (GTM::dispatch_serialirr_onwrite): New.
1417         * libitm_i.h: Same.
1419 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1421         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1422         * query.cc (_ITM_getTransactionId): There is no active transaction if
1423         the current nesting level is zero.
1425 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1427         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1428         rollback.
1430 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1432         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1433         transaction properties from the caller instead of from the
1434         transaction object.
1435         * libitm_i.h: Same.
1436         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1438 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1440         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1441         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1442         * dispatch.h: Same.
1443         * method-serial.cc: Same.
1444         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1445         flat nesting as default, and closed nesting on demand.
1446         (GTM::gtm_transaction::rollback): Same.
1447         (_ITM_abortTransaction): Same.
1448         (GTM::gtm_transaction::restart): Same.
1449         (GTM::gtm_transaction::trycommit): Same.
1450         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1451         (choose_code_path): New.
1452         (GTM::gtm_transaction_cp::save): New.
1453         (GTM::gtm_transaction_cp::commit): New.
1454         * query.cc (_ITM_inTransaction): Support flat nesting.
1455         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1456         (GTM::gtm_transaction): Support flat and closed nesting.
1457         * alloc.cc (commit_allocations_2): New.
1458         (commit_cb_data): New helper struct.
1459         (GTM::gtm_transaction::commit_allocations): Handle nested
1460         commits/rollbacks.
1461         * libitm.texi: Update user action section, add description of nesting.
1463 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1465         * libitm_i.h: Add closed nesting as restart reason.
1466         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1468 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1470         * useraction.cc: Use vector instead of list to store actions.
1471         Also support partial rollbacks for closed nesting.
1472         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1473         * beginend.cc: Same.
1475 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1477         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1478         closed_nesting flags, as well as a closed nesting alternative.
1479         * method-serial.cc: Same.
1480         (serial_dispatch): Renamed to serialirr_dispatch.
1481         (GTM::dispatch_serialirr): Same.
1482         (serial_dispatch_ul): Renamed to serial_dispatch.
1483         (GTM::dispatch_serial): Same.
1485 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1487         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1489 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1491         * aatree.h (aa_tree::remove): New.
1492         (aa_tree::operator new): Add placement new.
1494 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1496         * containers.h: New file.
1497         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1498         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1499         * common.h: ... to here.
1500         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1501         * local.cc: Same.
1503 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1505         * libitm_i.h (STATE_ABORTING): Remove.
1506         * beginend.cc (_ITM_abortTransaction): Same.
1507         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1508         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1509         (_ITM_rollbackTransaction): Remove.
1510         * beginend.cc: Same.
1511         * libitm.map: Same.
1512         * libitm.texi: Document these ABI changes.
1514 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1516         * libitm.texi: New file.
1517         * Makefile.am: Add libitm.texi.
1518         * Makefile.in: Rebuild.
1520 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1522         * libitm_i.h: Move parts to common.h and dispatch.h.
1523         * common.h: New file.
1524         * dispatch.h: New file, new dispatch class.
1525         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1526         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1527         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1528         decision to retry.cc.
1529         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1530         only.
1531         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1532         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1533         logging.
1534         * barrier.cc: Use new barriers definitions.
1535         (abi_dispatch::memmove_overlap_check): New.
1536         * config/x86/x86_sse.cc: Same.
1537         * config/x86/x86_avx.cc: Same.
1538         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1539         memcpy.cc.
1540         * Makefile.in: Rebuild.
1541         * method-readonly.cc: Remove.
1542         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1543         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1545 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1547         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1548         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1549         * testsuite/libitm.c/dropref-2.c: Same.
1550         * testsuite/libitm.c/dropref.c: Same.
1552 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1554         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1555         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1556         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1557         * alloc_c.cc: Same.
1558         * barrier.tpl: Same.
1559         * beginend.c: Same.
1560         * config/generic/tls.h: Same.
1561         * config/x86/tls.h: Same.
1562         * libitm_i.h: Same.
1563         * memcpy.cc: Same.
1564         * memset.cc: Same.
1565         * method-readonly.cc: Same.
1566         * method-serial.cc: Same.
1567         * method-wbetl.cc: Same.
1568         * retry.cc: Same.
1570 2011-03-03  Richard Henderson  <rth@redhat.com>
1572         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1573         From Patrik Marlier <patrick.marlier@unine.ch>.
1575 2011-02-03  Richard Henderson  <rth@redhat.com>
1577         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1578         * configure.ac: Use it.
1579         * configure, config.h.in: Rebuild.
1580         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1581         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1582         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1583         * libitm.map: Use wildcards to match size_t mangling.
1585 2010-12-14  Richard Henderson  <rth@redhat.com>
1587         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1588         blocks of TIDs per thread.
1589         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1590         (setup_gtm_thr): Return the thread structure.
1591         * config/x86/tls.h (setup_gtm_thr): Likewise.
1593 2010-12-14  Richard Henderson  <rth@redhat.com>
1595         * clone.cc (table_lock): Remove.
1596         (find_clone): Don't take it.
1597         (ExcludeTransaction): New helper class.
1598         (_ITM_registerTMCloneTable): Use it.
1599         (_ITM_deregisterTMCloneTable): Likewise.
1601 2010-12-14  Richard Henderson  <rth@redhat.com>
1603         * config/x86/tls.h: New file.
1605 2010-07-15  Richard Henderson  <rth@redhat.com>
1607         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1608         * Makefile.in: Rebuild.
1610 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1612         * method-wbetl.cc (trydropreference): Fix source line.
1614 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1616         * libitm.h: Add comment.
1617         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1619 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1621         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1622         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1623         available, use pthread mutexes.
1624         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1625         * config.h.in: Regenerate.
1626         * configure: Regenerate.
1628 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1630         * libitm.h (ITM_PURE): Define.
1631         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1633 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1635         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1636         (validate): Add comment.
1637         (trydropreference): New.
1638         * method-readonly.cc (class readonly_dispatch): Add
1639         trydropreference.
1640         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1641         Call trydropreference().
1642         * libitm.h (_ITM_dropReferences): Remove const attribute.
1643         * method-serial.cc (class serial_dispatch): Add trydropreference.
1644         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1646 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1648         * memcpy.cc (do_memcpy): Comment.
1650 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1652         * barrier.tpl: Add comments throughout.
1654 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1656         * method-wbetl.cc (struct w_entry): Add comments.
1657         (trycommit): Same.
1658         (rollback): Same.
1660 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1662         * alloc_c.cc (_ITM_dropReferences): New.
1663         * libitm.map (_ITM_dropReferences): Add.
1664         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1665         * libitm_i.h (struct gtm_transaction): Declare
1666         drop_references_allocations and drop_references_local.
1667         * local.cc (rollback_local): Ignore memory when applicable.
1668         (drop_references_local): New.
1670 2010-06-23  Richard Henderson  <rth@redhat.com>
1672         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1673         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1674         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1675         * config/alpha/target.h: Likewise.
1676         * config/generic/tls.cc (gtm_mask_stack): Use it.
1678 2010-06-23  Richard Henderson  <rth@redhat.com>
1680         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1681         a mutex instead of trying a lock-free compare-and-swap on the list.
1682         (gtm_cacheline_page::operator delete): Likewise.
1684 2010-06-16  Richard Henderson  <rth@redhat.com>
1686         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1687         that overlap the libitm stack.
1688         * barrier.tpl: Mark incoming stack.
1689         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1690         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1691         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1692         * memcpy.cc, memset.cc: Likewise.
1693         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1694         * config/generic/tls.h (gtm_thread): Add stack_top member.
1695         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1696         * libitm_i.h (gtm_mask_stack): Declare.
1697         * config/generic/tls.cc: New file.
1698         * Makefile.am (libitm_la_SOURCES): Add it.
1699         (AM_CXXFLAGS): Turn off exceptions.
1700         * Makefile.in: Rebuild.
1702 2010-06-16  Richard Henderson  <rth@redhat.com>
1704         * alloc.cc (struct gtm_alloc_action): Move definition ...
1705         * libitm_i.h: ... here.
1706         (class gtm_transaction): Declare new and delete.
1707         * beginend.cc (alloc_tx): Reformulate as operator new.
1708         (free_tx): Reformulate as operator delete.
1709         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1711 2010-06-11  Richard Henderson  <rth@redhat.com>
1713         * clone.cc (clone_entry_compare): Fix typo.
1714         From Patrik Marlier <patrick.marlier@unine.ch>.
1716 2010-05-13  Richard Henderson  <rth@redhat.com>
1718         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1719         in extern "C".
1721 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1723         * libitm_i.h (struct gtm_transaction): Remove
1724         get_allocation_size.
1725         (record_allocation): Remove size parameter.
1726         * libitm.map (_ITM_realloc): Remove.
1727         * alloc_c.cc (_ITM_realloc): Remove.
1728         (_ITM_malloc): Remove size argument to record_allocation.
1729         (_ITM_calloc): Same.
1730         * alloc_cpp.cc (_ZGTtnwm): Same.
1731         (_ZGTtnwmRKSt9nothrow_t): Same.
1732         (_ZGTtnam): Same.
1733         (_ZGTtnamRKSt9nothrow_t): Same.
1734         * alloc.cc (struct gtm_alloc_action): Remove size.
1735         (get_allocation_size): Remove.
1736         (commit_allocations): Add comment.
1737         (record_allocation): Remove size parameter.
1738         (forget_allocation): Remove set of size.
1740 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1742         * Makefile.am (abi_version): New.
1743         (AM_CXXFLAGS): Pass abi_version.
1744         * Makefile.in: Regenerate.
1745         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1747 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1749         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1750         _ITM_getTMCloneOrIrrevokable.
1751         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1752         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1754 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1756         * configure.ac: Remove Linux futex support.
1757         * configure.tgt (config_path): Same.
1758         * Makefile.am: Same.
1759         * config/linux: Remove entire directory.
1760         * configure: Rebuild.
1761         * Makefile.in: Rebuild.
1762         * testsuite/Makefile.in: Rebuild.
1764 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1766         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1767         switching to serial mode.
1768         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1770 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1772         * configure.tgt: Add emacs -*- tags.
1773         * barrier.tpl: Same.
1775 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1777         * Makefile.am: Rename serial.cc to method-serial.cc.
1778         * Makefile.in: Regenerate with automake 1.11.1.
1779         * testsuite/Makefile.in: Same.
1780         * aclocal.m4: Regenerate with aclocal 1.11.1.
1781         * method-serial.cc: Rename from serial.cc.
1782         * libitm_i.h (struct gtm_transaction): Update comment on
1783         serialirr_mode.
1785 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1787         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1788         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1790 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1792         * configure: Rebuild.
1794 2009-11-12  Richard Henderson  <rth@redhat.com>
1796         * Rewrite everything in C++.
1798 2009-11-03  Richard Henderson  <rth@redhat.com>
1800         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1801         * Makefile.am (libitm_la_SOURCES): Add them.
1802         * configure.ac (ARCH_X86): New conditional.
1803         * Makefile.in, configure: Rebuild.
1804         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1805         Move futex setup into "other system configury" case.
1806         * local.c (rollback_local): Merge into ...
1807         (GTM_rollback_local): ... here.
1808         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1809         (_ITM_LB): Define as an alias to GTM_LB.
1811 2009-11-03  Richard Henderson  <rth@redhat.com>
1813         * method-readonly.c: New file.
1814         * Makefile.am (libitm_la_SOURCES): Add it.
1815         * Makefile.in: Rebuild.
1816         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1817         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1818         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1819         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1820         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1821         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1822         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1823         gtm_get_clock, gtm_inc_clock): New.
1824         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1825         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1826         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1827         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1828         replace uses with new libitm_i.h symbols.
1829         (dispatch_wbetl): Rename from wbetl_dispatch.
1830         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1831         away from dispatch_readonly; abort if the beginTransaction call
1832         asserted that the transaction was readonly.
1834 2009-11-03  Richard Henderson  <rth@redhat.com>
1836         * memset.c: New file.
1837         * Makefile.am (libitm_la_SOURCES): Add it.
1838         * Makefile.in: Rebuild.
1839         * testsuite/libitm.c/memset-1.c: New.
1841 2009-11-03  Richard Henderson  <rth@redhat.com>
1843         * dispatch.c: Remove file.
1844         * useraction.c (struct gtm_user_action): Move from libitm.h.
1845         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1846         (serial_memset, serial_memmove, serial_memcpy): Remove.
1847         (serial_W*, serial_R*): Remove.
1848         (serial_dispatch): Update to match.
1849         * configure.ac: Move Werror down below configure checks.  Don't
1850         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1851         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1852         Use GCC_AC_FUNC_MMAP_BLACKLIST
1853         * libitm.h: Split out all internal items to...
1854         * libitm_i.h: ... here.  New file.
1855         * copymask.c: New file.
1856         * local.c (struct gtm_local_undo): Move from libitm.h.
1857         (GTM_alloc_local): Rename from alloc_local; export.
1858         * memcpy.c: New file.
1859         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1860         * config/posix/page.c: New file.
1861         * config/posix/target_tls.h: Remove file.
1862         * barrier.c: New file.
1863         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1864         copymask.c, page.c.
1865         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1866         * method-wbetl.c: Rewrite for new cacheline methods.
1867         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1869         * config/alpha/sjlj.S: Fix typo.
1870         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1871         * config/alpha/copymask.c: New file.
1872         * config/alpha/target.h (CACHELINE_SIZE): New.
1873         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1875         * config/x86/target_i.h: Copy functions from x86/target.h.
1876         * config/x86/copymask.c: New file.
1877         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1878         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1879         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1880         * config/x86/target_tls.h: Move contents to target_i.h.
1882         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1883         * testsuite/libitm.c/memcpy-1.c: New.
1885 2009-10-22  Richard Henderson  <rth@redhat.com>
1887         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1888         (AM_CCASFLAGS): New.
1889         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1890         saving/restoring _AC_ARG_VAR_PRECIOUS.
1891         * Makefile.in, aclocal.m4, config.h.in, configure,
1892         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1894 2009-10-22  Richard Henderson  <rth@redhat.com>
1896         * testsuite/*: Update for new compiler syntax.
1898 2009-10-21  Richard Henderson  <rth@redhat.com>
1900         * libitm.h (_ITM_abortReason): Add outerAbort.
1902 2009-08-03  Richard Henderson  <rth@redhat.com>
1904         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1905         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1906         * method-wbetl.c (struct w_entry): Remove mask.
1907         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1908         adjust all callers.
1910 2009-07-22  Richard Henderson  <rth@redhat.com>
1912         * eh_cpp.c: New file.
1913         * Makefile.am (libitm_la_SOURCES): Add it.
1914         * Makefile.in: Rebuild.
1915         * beginend.c (GTM_rollback_transaction): Undo exception state.
1916         (GTM_trycommit_transaction): Mark inline.
1917         (GTM_trycommit_and_finalize_transaction): Split out from ...
1918         (_ITM_commitTransaction): ... here.
1919         (_ITM_commitTransactionEH): New function.
1920         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1921         cxa_unthrown, eh_in_flight; reorder.
1923         * testsuite/libitm.c++/c++.exp: New.
1924         * testsuite/libitm.c++/eh-1.C: New.
1926         * aatree.c (aa_free): Remove REGPARM.
1927         * aatree.h: Remove all REGPARM.
1929 2009-07-18  Richard Henderson  <rth@redhat.com>
1931         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1932         * Makefile.am (libitm_la_SOURCES): Add them.
1933         * Makefile.in: Rebuild.
1934         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1935         (GTM_trycommit_transaction): Likewise.
1936         * libitm.h: Include aatree.h
1937         (struct gtm_alloc_action): New.
1938         (struct gtm_transaction): Add alloc_actions.
1939         (GTM_record_allocation, GTM_forget_allocation): Declare.
1940         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1941         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1942         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1943         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1944         _ZGTtdaPvRKSt9nothrow_t): Export.
1946 2009-07-18  Richard Henderson  <rth@redhat.com>
1948         * target_tls.h: Move ...
1949         * config/posix/target_tls.h: ... here.
1951 2009-07-07  Richard Henderson  <rth@redhat.com>
1953         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1955 2009-07-07  Richard Henderson  <rth@redhat.com>
1957         * Update to GPL3.
1959 2009-07-07  Richard Henderson  <rth@redhat.com>
1961         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1962         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1964         * configure.tgt: Don't use -ftls-model for x86 linux.
1965         * libitm.h: Include target.h after standard includes.
1966         (_gtm_thr): Rename from gtm_thr.
1967         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1968         (gtm_disp, set_gtm_disp): New.
1969         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1970         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1971         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1973 2009-07-07  Richard Henderson  <rth@redhat.com>
1975         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1977 2009-07-06  Richard Henderson  <rth@redhat.com>
1979         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1980         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1981         (_ITM_beginTransaction): Take variadic arguments.
1982         (_ITM_registerThrownObject): Declare.
1983         * beginend.c, serial.c: Update.
1984         * libitm.map: Add _ITM_registerThrownObject.
1986 2009-01-28  Richard Henderson  <rth@redhat.com>
1988         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1989         * Makefile.in: Rebuild.
1990         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1991         (GTM_restart_transaction): Fix uninstrumented code check.
1992         * retry.c (GTM_decide_retry_strategy): Add serial check.
1993         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1994         automatically go irrevokable when in serial mode.
1995         * clone.c: New file.
1996         * libitm.h, libitm.map: Update.
1998 2009-01-27  Richard Henderson  <rth@redhat.com>
2000         * Makefile.am (LTCCASCOMPILE): Define.
2001         (libitm_la_SOURCES): Add methid-wbetl.c.
2002         * testsuite/Makefile.am: New
2003         * configure.ac: Add testsuite/Makefile.
2004         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2005         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2006         (_ITM_abortTransaction): Finalize implementation method; pass
2007         transaction properties to longjmp.
2008         (GTM_restart_transaction): Split out from ...
2009         (_ITM_commitTransaction): ... here.
2010         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2011         Move to config/x86/target.h.
2012         * config/linux/alpha/futex_bits.h: New.
2013         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2014         * config/x86/target.h: Disable target types for 32-bit.
2015         * config/alpha/sjlj.S, config/alpha/target.h: New.
2016         * libitm.h (struct gtm_dispatch): Add init, fini.
2017         (enum restart_reason): New.
2018         (struct gtm_transaction): Add method and restarts.
2019         * retry.c (GTM_decide_retry_strategy): Implement.
2020         * serial.c (serial_init, serial_fini): New.
2021         (GTM_serialmode): Finialize outgoing method.
2022         * method-wbetl.c: New.
2024 2008-12-09  Richard Henderson  <rth@redhat.com>
2026         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2027         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2028         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2029         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2030         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2031         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2032         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2033         * serial.c (serial_R##T, serial_W##T): Likewise.
2035 2008-11-21  Richard Henderson  <rth@redhat.com>
2037         * Initial commit.
2039 Copyright (C) 2008-2017 Free Software Foundation, Inc.
2041 Copying and distribution of this file, with or without modification,
2042 are permitted in any medium without royalty provided the copyright
2043 notice and this notice are preserved.