1 2018-05-02 Tom de Vries <tom@codesourcery.com>
4 * testsuite/lib/libitm.exp: Include scanltranstree.exp.
6 2018-05-02 Tom de Vries <tom@codesourcery.com>
9 * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
11 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
13 * config/x86/sjlj.S (_ITM_beginTransaction): Add
14 (__CET__ & 2) != 0 check for shadow stack.
15 (GTM_longjmp): Likewise.
17 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
19 * configure: Regenerated.
21 2018-04-23 H.J. Lu <hongjiu.lu@intel.com>
24 * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
26 2018-04-19 Jakub Jelinek <jakub@redhat.com>
28 * configure: Regenerated.
30 2018-04-18 David Malcolm <dmalcolm@redhat.com>
33 * configure: Regenerate.
35 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
38 * configure: Regenerate.
40 2018-01-03 Jakub Jelinek <jakub@redhat.com>
42 Update copyright years.
44 * libitm.texi: Bump @copying's copyright year.
46 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
48 * Makefile.in: Regenerate.
49 * acinclude.m4: Add enable.m4 and cet.m4.
50 * config/x86/sjlj.S: Include cet.h.
51 (_ITM_beginTransaction): Add _CET_ENDBR.
52 Save Shadow Stack pointer.
53 (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
54 * config/x86/target.h (struct gtm_jmpbuf):
55 Add new field for Shadow Stack pointer.
56 * configure: Regenerate.
57 * configure.ac: Set CET_FLAGS. Update XCFLAGS.
58 * configure.ac: Update libtool_VERSION for x86.
59 * testsuite/Makefile.in: Regenerate.
61 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
63 * libitm/config/x86/target.h: Add new field (ssp).
64 * libitm/config/x86/sjlj.S: Change offsets.
66 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
68 * testsuite/lib/libitm.exp: Load scanlang.exp.
70 2017-04-03 Jonathan Wakely <jwakely@redhat.com>
72 * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
74 2017-01-21 Jakub Jelinek <jakub@redhat.com>
77 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
78 of cat to get version from BASE-VER file.
79 * testsuite/Makefile.in: Regenerated.
81 2017-01-19 Uros Bizjak <ubizjak@gmail.com>
83 * config/x86/target.h (htm_available): Determine vendor from
84 __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup.
86 2017-01-18 Torvald Riegel <triegel@redhat.com>
88 * config/x86/target.h (htm_available): Add check for some processors
89 on which TSX is broken.
91 2017-01-17 Jakub Jelinek <jakub@redhat.com>
94 * configure.ac: Add GCC_BASE_VER.
95 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
96 get version from BASE-VER file.
97 * testsuite/Makefile.in: Regenerated.
98 * configure: Regenerated.
99 * Makefile.in: Regenerated.
101 2017-01-04 Alan Modra <amodra@gmail.com>
103 * Makefile.in: Regenerate.
104 * testsuite/Makefile.in: Regenerate.
106 2017-01-01 Jakub Jelinek <jakub@redhat.com>
108 Update copyright years.
110 * libitm.texi: Bump @copying's copyright year.
112 2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
114 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
115 * aclocal.m4: Regenerate.
116 * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
117 LIBITM_CHECK_LINKER_HWCAP.
119 2016-11-15 Matthias Klose <doko@ubuntu.com>
121 * configure: Regenerate.
123 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
126 * util.cc (xmalloc): Use posix_memalign to allocate memory on
127 on cache line if requested.
129 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
131 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
132 function attribute to disable floating point in begin_transaction() on
134 * beginend.cc (begin_transaction): Use
135 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
137 2016-01-22 Torvald Riegel <triegel@redhat.com>
139 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
141 (htm_fastpath): Remove.
142 (gtm_thread::begin_transaction): Fix HTM fastpath.
143 (_ITM_commitTransaction): Adapt.
144 (_ITM_commitTransactionEH): Adapt.
145 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
147 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
148 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
149 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
150 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
151 * libitm/method-serial.cc (htm_mg): Adapt.
152 (gtm_thread::serialirr_mode): Adapt.
153 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
155 2016-01-21 Torvald Riegel <triegel@redhat.com>
157 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
160 2016-01-19 Richard Henderson <rth@redhat.com>
165 2016-01-13 Richard Henderson <rth@redhat.com>
167 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
168 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
169 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
170 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
171 * configure.ac (ARCH_AARCH64): New conditional.
172 (ARCH_PPC, ARCH_S390): Likewise.
173 * Makefile.in, configure: Rebuild.
175 * libitm.h (_ITM_TYPE_M128): Always define.
176 * vect64.cc: Split ...
177 * vect128.cc: ... out of...
178 * config/x86/x86_sse.cc: ... here.
179 * config/arm/neon.cc: New file.
181 2016-01-19 Torvald Riegel <triegel@redhat.com>
183 * local_type_traits: Remove file.
184 * libitm_i.h: Don't include it anymore.
185 (sized_integral): Remove.
187 2016-01-16 Torvald Riegel <triegel@redhat.com>
189 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
191 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
192 * libitm/testsuite/libitm.c/priv-1.c: New.
194 2015-01-15 Torvald Riegel <triegel@redhat.com>
196 testsuite/libitm.c++/libstdc++-safeexc.C: New.
198 2016-01-13 Torvald Riegel <triegel@redhat.com>
200 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
201 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
202 (gtm_rwlock::write_unlock): Likewise.
204 2016-01-13 Richard Henderson <rth@redhat.com>
206 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
207 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
208 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
209 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
210 * configure.ac (ARCH_AARCH64): New conditional.
211 (ARCH_PPC, ARCH_S390): Likewise.
212 * Makefile.in, configure: Rebuild.
214 * libitm.h (_ITM_TYPE_M128): Always define.
215 * vect64.cc: Split ...
216 * vect128.cc: ... out of...
217 * config/x86/x86_sse.cc: ... here.
218 * config/arm/neon.cc: New file.
220 2016-01-13 Torvald Riegel <triegel@redhat.com>
222 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
223 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
224 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
225 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
226 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
227 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
228 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
229 (serialirr_dispatch::snapshot_most_recent): New.
230 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
232 2016-01-12 Torvald Riegel <triegel@redhat.com>
234 * libitm_i.h (gtm_mask_stack): Remove.
235 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
236 * stmlock.h: Remove file.
237 * config/alpha/cacheline.h: Likewise.
238 * config/generic/cacheline.h: Likewise.
239 * config/powerpc/cacheline.h: Likewise.
240 * config/sparc/cacheline.h: Likewise.
241 * config/x86/cacheline.h: Likewise.
243 2016-01-04 Jakub Jelinek <jakub@redhat.com>
245 Update copyright years.
247 * libitm.texi: Bump @copying's copyright year.
249 2015-11-26 Torvald Riegel <triegel@redhat.com>
251 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
252 (ml_wt_dispatch::pre_write): Adapt.
253 (ml_wt_dispatch::pre_load): Likewise.
255 2015-11-22 Torvald Riegel <triegel@redhat.com>
257 * libitm_i.h (gtm_alloc_action): Remove union.
258 * testsuite/libitm.c/alloc-1.c: New.
260 2015-11-19 Torvald Riegel <triegel@redhat.com>
262 * testsuite/libitm.c++/eh-5.C: New.
263 * libitm.h (_ITM_cxa_free_exception): New.
264 * libitm.map (_ITM_cxa_free_exception): Add it.
265 * libitm.texi: Update ABI docs.
266 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
267 (gtm_transaction_cp::cxa_uncaught_count): Add.
268 (gtm_thread::cxa_unthrown): Remove.
269 (gtm_thread::cxa_uncaught_count_ptr): Add.
270 (gtm_thread::cxa_uncaught_count): Add.
271 (gtm_thread::drop_references_allocations): Rename to...
272 (gtm_thread::discard_allocation): ... this and adapt.
273 (gtm_thread::init_cpp_exceptions): New.
274 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
275 (gtm_thread::begin_transaction): Likewise.
276 (gtm_transaction_cp::save): Likewise.
277 (gtm_thread::trycommit): Likewise.
278 * eh_cpp.cc: Add overview comments.
279 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
280 (free_any_exception, _ITM_cxa_free_exception): New.
281 (gtm_thread::init_cpp_exceptions): Define.
282 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
283 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
284 (gtm_thread::revert_cpp_exceptions): Likewise.
286 2015-11-09 Torvald Riegel <triegel@redhat.com>
288 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
289 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
290 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
291 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
292 (gtm_thread::forget_allocations): New overload with size_t argument.
293 * alloc.c (gtm_thread::forget_allocation): Define new overload and
295 (gtm_thread::record_allocation): Adapt.
296 (gtm_thread::commit_allocations_1): Adapt.
297 (gtm_thread::commit_allocations_2): Adapt.
298 * testsuite/libitm.c++/newdelete.C: New.
300 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
301 Joseph Myers <joseph@codesourcery.com>
302 Mark Shinwell <shinwell@codesourcery.com>
303 Andrew Stubbs <ams@codesourcery.com>
304 Rich Felker <dalias@libc.org>
306 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
307 GTM_begin_transaction for compatibility with FDPIC.
309 2015-10-09 David Malcolm <dmalcolm@redhat.com>
311 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
314 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
317 * local_atomic (__always_inline): Rename to...
318 (__libitm_always_inline): ... this.
320 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
323 * config/powerpc/sjlj.S: Port to Xcode 2.5.
325 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
327 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
328 operands "op" and "val" to int.
330 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
332 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
333 "op" and "val" to int.
335 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
337 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
338 "op" and "val" to int.
340 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
342 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
343 Declare as static int.
344 (FUTEX_PRIVATE_FLAG): Remove L suffix.
345 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
347 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
349 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
352 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
354 * Makefile.in: Regenerated with automake-1.11.6.
355 * aclocal.m4: Likewise.
356 * configure: Likewise.
357 * testsuite/Makefile.in: Likewise.
359 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
361 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
362 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
364 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
367 * libitm.c/stackundo.c (test2): Make it static.
370 2015-01-05 Jakub Jelinek <jakub@redhat.com>
372 Update copyright years.
374 2015-01-05 Jakub Jelinek <jakub@redhat.com>
376 * libitm.texi: Bump @copying's copyright year.
378 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
380 * testsuite/lib/libitm.exp: Load target-utils.exp.
381 Move load of target-supports.exp earlier.
383 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
385 * configure.tgt (x86_64): Tune -m32 multilib to generic.
387 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
390 * configure: Regenerated.
392 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
395 * configure: Regenerate.
397 2014-10-06 Marek Polacek <polacek@redhat.com>
399 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
400 * testsuite/libitm.c/memset-1.c: Likewise.
402 2014-07-24 Richard Henderson <rth@redhat.com>
404 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
405 addressing mode in epilogue.
407 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
409 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
410 -mclear-hwcap instead.
411 * configure: Regenerate.
412 * clearcap.map: Remove.
414 2014-05-21 John Marino <gnugcc@marino.st>
416 * configure.tgt (*-*-dragonfly*): New target.
418 2014-05-19 Richard Henderson <rth@redhat.com>
420 * config/aarch64/sjlj.S: New file.
421 * config/aarch64/target.h: New file.
422 * configure.tgt: Enable aarch64.
424 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
426 * config/generic/asmcfi.h: Also check for
427 __GCC_HAVE_DWARF2_CFI_ASM.
429 2013-04-02 Richard Henderson <rth@redhat.com>
431 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
432 * config/arm/target.h, config/sh/target.h: Likewise.
433 * config/sparc/target.h, config/x86/target.h: Likewise.
435 2014-03-26 Jakub Jelinek <jakub@redhat.com>
437 * config/linux/futex_bits.h: Include errno.h.
438 (sys_futex0): If syscall returns -1, return -errno rather than
441 2014-03-26 Joseph Myers <joseph@codesourcery.com>
443 * libitm.texi (Index): Rename to Library Index.
445 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
448 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
449 (x86_avx.lo): Append -mavx to CXXFLAGS.
450 * Makefile.in: Regenerate.
452 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
454 Update copyright years
456 2014-01-02 Tobias Burnus <burnus@net-b.de>
458 * libitm.texi: Bump @copying's copyright year.
460 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
462 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
463 (FUNC): Define ELFv2 variant.
470 2013-09-20 Alan Modra <amodra@gmail.com>
472 * configure: Regenerate.
474 2013-08-30 Torvald Riegel <triegel@redhat.com>
476 * config/posix/rwlock.cc: Fix initialization order.
478 2013-08-30 Torvald Riegel <triegel@redhat.com>
480 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
481 (htm_fastpath): Assign an asm name.
482 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
484 (_ITM_actions): Likewise.
485 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
487 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
488 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
489 field to the start of the structure.
490 * config/linux/rwlock.h (gtm_rwlock): Update comments.
491 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
492 handling for custom HTM fast paths.
494 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
496 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
498 * configure.tgt: Add -msoft-float to XCFLAGS.
500 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
502 * configure.tgt: Add -msoft-float to XCFLAGS.
504 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
506 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
507 (htm_transaction_active): Enable zEC12 instructions in the
509 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
511 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
513 * acinclude.m4: Add htm asm check for s390.
514 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
515 * configure: Regenerate.
516 * config/s390/target.h: Remove __HTM__ check.
517 (htm_available): Call getauxval to get hwcaps and check whether
518 HTM is available or not.
520 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
522 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
523 * configure.ac: Use it.
524 (AC_CHECK_HEADERS): Check for sys/auxv.h.
525 (AC_CHECK_FUNCS): Check for getauxval.
526 * config.h.in, configure: Rebuild.
527 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
528 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
529 (USE_HTM_FASTPATH): Define.
530 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
531 _HTM_RETRIES) New macros.
532 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
533 htm_begin_success, htm_commit, htm_transaction_active): New functions.
535 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
537 * config/s390/target.h: Include htmintrin.h.
538 (_HTM_ITM_RETRIES): New macro definition.
539 (htm_available, htm_init, htm_begin, htm_begin_success)
540 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
542 2013-06-20 Iain Sandoe <iain@codesourcery.com>
543 Cesar Philippidis <cesar@codesourcery.com>
545 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
546 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
547 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
548 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
550 2013-06-20 Torvald Riegel <triegel@redhat.com>
552 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
553 (_ITM_getTransactionId): Same.
554 * config/x86/target.h (htm_transaction_active): New.
556 2013-06-20 Torvald Riegel <triegel@redhat.com>
559 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
562 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
565 * local_atomic (__always_inline): Always define our version.
566 (__calculate_memory_order): Mark inline.
567 (atomic_thread_fence): Ditto.
568 (atomic_signal_fence): Ditto.
569 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
570 (atomic_bool::atomic_flag_clear_explicit): Ditto.
571 (atomic_bool::atomic_flag_test_and_set): Ditto.
572 (atomic_bool::atomic_flag_clear): Ditto.
574 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
576 * config/s390/sjlj.S: New file.
577 * config/s390/target.h: New file.
578 * configure.tgt: Set options for S/390.
580 2013-03-23 Andi Kleen <ak@linux.intel.com>
582 * local_atomic (__always_inline): Add.
583 (__calculate_memory_order, atomic_thread_fence,
584 atomic_signal_fence, test_and_set, clear, store, load,
585 exchange, compare_exchange_weak, compare_exchange_strong,
586 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
587 Add __always_inline to force inlining.
589 2013-02-11 Iain Sandoe <iain@codesourcery.com>
590 Jack Howarth <howarth@bromo.med.uc.edu>
591 Patrick Marlier <patrick.marlier@gmail.com>
594 * alloc_cpp.cc: Enable function declarations on darwin.
595 * eh_cpp.cc: Likewise.
597 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
599 Update copyright years.
601 2012-11-09 Torvald Riegel <triegel@redhat.com>
603 * beginend.cc (htm_fastpath): New.
604 (gtm_thread::begin_transaction, _ITM_commitTransaction,
605 _ITM_commitTransactionEH): Add HTM fastpath handling.
606 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
607 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
608 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
609 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
610 * configure.tgt: Add -mrtm to XCFLAGS.
611 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
612 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
613 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
614 * retry.cc (parse_default_method): Add HTM method parsing.
615 (gtm_thread::number_of_threads_changed): Use HTM by default if
618 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
620 * configure: Regenerate.
622 2012-10-31 Richard Henderson <rth@redhat.com>
624 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
625 * configure.ac: Use it.
626 * config.h.in, configure: Rebuild.
627 * testsuite/Makefile.in: Rebuild.
629 2012-10-24 Torvald Riegel <triegel@redhat.com>
631 * libitm.texi: Clarify ABI requirements for data-logging functions.
633 2012-10-24 Torvald Riegel <triegel@redhat.com>
635 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
636 it requires serial mode instead of assuming that for certain
638 * dispatch.h (abi_dispatch::requires_serial): New.
639 (abi_dispatch::abi_dispatch): Adapt.
640 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
641 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
642 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
643 serial_dispatch::serial_dispatch,
644 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
646 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
648 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
649 and ia32 declarations some more.
650 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
652 2012-09-20 Jakub Jelinek <jakub@redhat.com>
655 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
656 * configure: Regenerate.
657 * Makefile.in: Regenerate.
659 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
661 * configure: Regenerated.
663 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
665 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
667 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
669 * eh_cpp.cc: Fix __cxa_end_catch declaration.
671 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
673 * configure: Regenerated.
675 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
678 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
681 2012-04-03 Tristan Gingold <gingold@adacore.com>
683 * configure: Regenerate.
685 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
688 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
690 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
692 * testsuite/lib/libitm.exp: load fortran-modules.exp
694 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
696 * configure.tgt (*-*-irix6*): Remove.
698 2012-03-13 Torvald Riegel <triegel@redhat.com>
701 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
704 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
706 * configure.tgt (*-*-osf*): Remove.
707 * configure: Regenerate.
709 2012-03-05 Torvald Riegel <triegel@redhat.com>
711 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
712 memtransfer/memset if size isn't larger than zero.
714 2012-03-02 Torvald Riegel <triegel@redhat.com>
716 * libitm.texi: Link to specification and add a usage example.
718 2012-02-24 Torvald Riegel <triegel@redhat.com>
720 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
721 default dispatch for more than 1 thread to ml_wt.
723 2012-02-20 Torvald Riegel <triegel@redhat.com>
725 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
727 2012-02-20 Torvald Riegel <triegel@redhat.com>
729 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
731 2012-02-20 Torvald Riegel <triegel@redhat.com>
733 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
734 serial mode corner cases made obsolete by prior gtm_rwlock changes.
735 (gl_wt_dispatch.rollback): Same.
737 2012-02-20 Torvald Riegel <triegel@redhat.com>
739 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
741 2012-02-20 Torvald Riegel <triegel@redhat.com>
743 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
744 for RfW src. Optimize number of calls to gtm_thr.
746 2012-02-20 Torvald Riegel <triegel@redhat.com>
748 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
750 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
751 (default_dispatch): Make atomic.
752 (GTM::gtm_thread::set_default_dispatch): Access atomically.
753 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
754 use decide_begin_dispatch() if default_dispatch might have changed.
755 (GTM::gtm_thread::number_of_threads_changed): Initialize
756 default_dispatch here.
758 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
759 Patrick Marlier <patrick.marlier@gmail.com>
762 * alloc_cpp.cc: No dummy definitions for darwin.
763 * eh_cpp.cc: Likewise.
765 2012-02-14 Richard Henderson <rth@redhat.com>
767 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
769 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
771 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
773 2012-02-14 Torvald Riegel <triegel@redhat.com>
775 * libitm_i.h (GTM::gtm_rwlog_entry): New.
776 (GTM::gtm_thread): Add read and write logs.
777 (GTM::dispatch_ml_wt): Declare.
778 * retry.cc (parse_default_method): Support ml_wt.
779 * method-ml.cc: New file.
780 * Makefile.am: Add method-ml.cc.
781 * Makefile.in: Regenerate.
783 2012-02-14 Torvald Riegel <triegel@redhat.com>
785 * dispatch.h (GTM::abi_dispatch::supports): New.
786 (GTM::method_group::reinit): New.
787 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
788 (GTM::gtm_thread::number_of_threads_changed): Check that the method
789 supports the current situation.
791 2012-02-14 Torvald Riegel <triegel@redhat.com>
793 * util.cc (GTM::xcalloc): New.
794 * common.h (GTM::xcalloc): Declare.
796 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
798 * config/sparc/target.h (cpu_relax): Read from CC register.
799 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
801 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
803 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
805 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
807 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
808 * config/sparc/cacheline.h: New file.
809 * config/sparc/target.h: Likewise.
810 * config/sparc/sjlj.S: Likewise.
811 * config/linux/sparc/futex_bits.h: Likewise.
813 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
815 * configure.ac (link_itm): Fix comment.
816 * configure: Regenerate.
817 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
819 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
822 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
823 Correct libgomp references.
825 2012-01-24 Torvald Riegel <triegel@redhat.com>
827 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
830 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
832 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
834 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
835 offset values. Do not copy return address. Decrement stack
837 (GTM_longjump) [__x86_64__]: Update offset values.
839 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
842 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
843 the first function argument to %eax.
845 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
847 * libitm.h (_ITM_getThreadnum): Remove.
848 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
850 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
852 * clearcap.map: New file.
853 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
854 * configure.ac: Call it.
855 Clear HWCAP_LDFLAGS if defaulting to -mavx.
856 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
857 * configure: Regenerate.
858 * Makefile.in: Regenerate.
859 * testsuite/Makefile.in: Regenerate.
861 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
864 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
865 include, exclude options.
867 2012-01-14 Torvald Riegel <triegel@redhat.com>
869 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
871 * containers.h (GTM::vector::set_size): New.
873 2012-01-14 Torvald Riegel <triegel@redhat.com>
876 * config/generic/tls.h (GTM::mask_stack_top): New.
877 (GTM::mask_stack_bottom): Declare.
878 * config/generic/tls.c (GTM::mask_stack_bottom): New.
879 * local.cc (gtm_undolog::rollback): Filter out any updates that
880 overlap the libitm stack. Add current transaction as parameter.
881 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
882 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
883 * testsuite/libitm.c/stackundo.c: New test.
885 2012-01-10 Richard Henderson <rth@redhat.com>
887 * libitm_i.h (_Unwind_DeleteException): Declare weak.
888 * eh_cpp.cc (_Unwind_DeleteException): Define for
889 !HAVE_ELF_STYLE_WEAKREF.
891 2012-01-08 Torvald Riegel <triegel@redhat.com>
893 * local.cc (GTM_LB): Use GTM::gtm_undolog.
894 (GTM::gtm_thread::drop_references_undolog): Remove.
895 (GTM::gtm_thread::commit_undolog,
896 GTM::gtm_thread::rollback_undolog): Move to ...
897 * libitm_i.h (GTM::gtm_undolog): ...here. New.
898 (GTM::gtm_undolog_entry): Remove.
899 (GTM::gtm_thread): Adapt.
900 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
901 (GTM::gtm_thread::trycommit): Adapt.
902 * method-serial.cc (serial_dispatch::log): Adapt.
903 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
904 (gl_wt_dispatch::store): Fix likely/unlikely.
905 * containers.h (GTM::vector::resize): Add additional_capacity
906 parameter and handle it.
907 (GTM::vector::resize_noinline): New/adapt.
908 (GTM::vector::push): New.
910 2012-01-06 Richard Henderson <rth@redhat.com>
912 * configure.tgt: Support powerpc-linux and powerpc-darwin.
913 * config/linux/powerpc/futex_bits.h: New file.
914 * config/powerpc/cacheline.h: New file.
915 * config/powerpc/sjlj.S: New file.
916 * config/powerpc/target.h: New file.
917 * config/generic/asmcfi.h (cfi_offset): New.
918 (cfi_restore, cfi_undefined): New.
920 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
923 * testsuite/libitm.c/reentrant.c: Remove xfail.
924 (thread): Pass x to pure().
925 From Patrik Marlier <patrick.marlier@gmail.com>.
927 2011-12-24 Torvald Riegel <triegel@redhat.com>
929 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
930 privatization safety if already in serial mode.
932 2011-12-24 Torvald Riegel <triegel@redhat.com>
934 * beginend.cc (GTM::gtm_thread::restart): Add and handle
935 finish_serial_upgrade parameter.
936 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
937 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
938 Don't unset reader flag.
939 (GTM::gtm_rwlock::write_upgrade_finish): New.
940 * config/posix/rwlock.cc: Same.
941 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
943 * config/posix/rwlock.h: Same.
944 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
945 flag after commit or after rollback when restarting.
947 2011-12-24 Torvald Riegel <triegel@redhat.com>
949 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
950 (GTM::gtm_thread::try_commit): Changed memory order.
951 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
953 * config/linux/x86/futex_bits.h (sys_futex0): Same.
954 * config/linux/sh/futex_bits.h (sys_futex0): Same.
955 * config/linux/futex_bits.h (sys_futex0): Same.
956 * config/linux/futex.cc (futex_wait, futex_wake): Same.
957 * config/linux/futex.h (futex_wait, futex_wake): Same.
958 * config/linux/rwlock.h (gtm_rwlock::writers,
959 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
961 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
962 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
963 gtm_rwlock::write_unlock): Fix memory orders and fences.
964 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
965 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
966 gtm_rwlock::write_unlock): Same.
967 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
968 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
969 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
971 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
972 gl_wt_dispatch::load, gl_wt_dispatch::store,
973 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
974 orders and fences. Add comments.
976 2011-12-21 Jakub Jelinek <jakub@redhat.com>
978 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
979 * Makefile.in: Regenerated.
981 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
983 * configure.tgt: Add sh* case.
984 * config/sh/target.h: New file.
985 * config/sh/sjlj.S: New file.
986 * config/linux/sh/futex_bits.h: New file.
988 2011-12-14 Richard Henderson <rth@redhat.com>
990 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
991 * config/arm/sjlj.S, config/arm/target.h: New files.
992 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
993 (cfi_rel_offset): New.
994 * config/linux/futex_bits.h: New file.
995 * config/linux/futex.cc: Include futex_bits.h here...
996 * config/linux/futex.h: ... not here.
997 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
998 * configure.ac (ARCH_AM): New conditional.
999 * Makefile.in, configure: Rebuild.
1000 * configure.tgt: Handle ARM.
1002 2011-12-13 Richard Henderson <rth@redhat.com>
1004 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1005 signed/unsigned comparison werror.
1007 * local_atomic: New file.
1008 * libitm_i.h: Include it.
1009 (gtm_thread::shared_state): Use atomic template.
1010 * beginend.cc (GTM::gtm_clock): Use atomic template.
1011 (global_tid): Use atomic template if 64-bit atomics available.
1012 (gtm_thread::gtm_thread): Update shared_state access.
1013 (gtm_thread::trycommit): Likewise.
1014 (choose_code_path): Update global_tid access.
1015 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
1016 * stmlock.h (GTM::gtm_clock): Use atomic template.
1017 (gtm_get_clock, gtm_inc_clock): Update accesses.
1018 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1019 redundant __sync_synchronize after atomic shared_state access.
1020 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1021 (gtm_rwlock::write_lock_generic): Likewise.
1022 (gtm_rwlock::read_unlock): Likewise.
1023 * config/alpha/target.h (atomic_read_barrier): Remove.
1024 (atomic_write_barrier): Remove.
1025 * config/x86/target.h (atomic_read_barrier): Remove.
1026 (atomic_write_barrier): Remove.
1028 2011-11-30 Richard Henderson <rth@redhat.com>
1030 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1031 * beginend.c (_ITM_abortTransaction): Update to match.
1032 (GTM::gtm_thread::restart): Likewise.
1033 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1034 * config/x86/sjlj.S (GTM_longjmp): Likewise.
1036 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
1038 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1039 * Makefile.in: Regenerate.
1041 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1043 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1044 * alloc_cpp.cc: Generate dummy functions if we don't
1045 HAVE_ELF_STYLE_WEAKREF.
1046 * eh_cpp.cc: Likewise.
1047 * configure: Regenerate.
1048 * aclocal.m4: Likewise.
1049 * config.h.in: Likewise.
1050 * Makefile.in: Likewise.
1051 * testsuite/Makefile.in: Likewise.
1053 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1055 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1056 __USER_LABEL_PREFIX__ for targets that use it.
1057 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1058 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1059 in portability to non-elf targets.
1060 (GTM_longjmp): Likewise.
1061 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1064 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1066 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1067 * testsuite/libitm.c/memset-1.c: Likewise.
1069 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
1071 * configure: Regenerate.
1073 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1075 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1076 (LIBITM_ENABLE_SYMVERS): Handle sun style.
1077 * Makefile.am: Handle sun style versioning.
1078 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1079 * configure: Regenerate.
1080 * Makefile.in: Regenerate.
1082 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1084 * config/generic/asmcfi.h: Fix comment.
1085 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1086 sequence without .hidden support, error for non-ELF targets.
1087 (GTM_longjmp) [__ELF__]: Only use .hidden if
1088 HAVE_ATTRIBUTE_VISIBILITY.
1090 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1092 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1093 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1095 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1096 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1098 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
1101 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1102 * configure: Regenerate.
1104 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
1106 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1108 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1110 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1112 (.note.GNU-stack): Only use if __linux__.
1113 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1114 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1115 * testsuite/libitm.c/reentrant.c: Likewise.
1116 * testsuite/libitm.c/simple-2.c: Likewise.
1117 * testsuite/libitm.c/txrelease.c: Likewise.
1118 * testsuite/libitm.c++/static_ctor.C: Likewise.
1120 2011-11-10 Richard Henderson <rth@redhat.com>
1122 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
1123 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1124 * configure.ac (ARCH_X86_AVX): New conditional.
1125 * Makefile.in, configure: Rebuild.
1127 2011-11-09 Richard Henderson <rth@redhat.com>
1129 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1130 * configure.ac: Use it.
1131 * config.h.in, configure: Rebuild.
1132 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1134 2011-11-09 Richard Henderson <rth@redhat.com>
1136 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1137 * config/alpha/unaligned.h: Remove file.
1138 * config/generic/unaligned.h: Remove file.
1139 * config/x86/unaligned.h: Remove file.
1140 * config/generic/cachepage.h: Remove file.
1141 * config/posix/cachepage.cc: Remove file.
1142 * config/generic/cacheline.cc: Remove file.
1143 * config/x86/cacheline.cc: Remove file.
1144 * config/generic/cacheline.h (gtm_cacheline): Remove the
1145 store_mask, copy_mask, copy_mask_wb methods.
1146 * config/x86/cacheline.h: Likewise.
1147 * config/alpha/cacheline.h: Fall back to generic after setting size.
1148 * config/generic/tls.cc (gtm_mask_stack): Remove.
1149 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1150 (GTM_vpalignr_table): Remove.
1151 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1152 (GTM_pshift_table): Remove.
1153 * config/libitm_i.h: Don't include cachepage.h.
1154 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1155 * Makefile.in, testsuite/Makefile.in: Rebuild.
1157 2011-11-09 Richard Henderson <rth@redhat.com>
1159 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1160 to emit branch prediction hint.
1162 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1163 Protect .note.GNU-stack with __linux__.
1165 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1166 * configure, aclocal.m4, config.h.in: Rebuild.
1167 * config/generic/asmcfi.h: New file.
1168 * config/x86/sjlj.S: Use it.
1170 2011-11-08 Richard Henderson <rth@redhat.com>
1172 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1174 2011-11-08 Richard Henderson <rth@redhat.com>
1176 * configure.tgt: Test correct directory for supported cpus.
1178 * configure.ac: Exit if unsupported.
1179 * configure: Rebuild.
1180 * configure.tgt: Delete boilerplate from libgomp for unsupported
1181 targets. Set UNSUPPORTED for unsupported targets.
1183 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1185 * configure.tgt: Handle i386 like i[456]86.
1186 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1188 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1189 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1191 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
1193 * method-wbetl.cc: Update copyright notice.
1199 * barrier.tpl: Same.
1200 * useraction.cc: Same.
1204 * config/generic/tls.cc: Same.
1205 * config/generic/cacheline.h: Same.
1206 * config/generic/cachepage.h: Same.
1207 * config/generic/cacheline.cc: Same.
1208 * config/generic/unaligned.h: Same.
1209 * config/x86/cacheline.h: Same.
1210 * config/x86/cacheline.cc: Same.
1211 * config/x86/unaligned.h: Same.
1212 * config/alpha/cacheline.h: Same.
1213 * config/alpha/unaligned.h: Same.
1214 * config/alpha/sjlj.S: Same.
1215 * config/posix/cachepage.cc: Same.
1216 * config/linux/futex.h: Same.
1217 * config/linux/alpha/futex_bits.h: Same.
1219 2011-11-04 Torvald Riegel <triegel@redhat.com>
1221 * libitm.texi: No cover text and invariant sections.
1223 2011-11-03 Richard Henderson <rth@redhat.com>
1225 * local_type_traits: New file.
1226 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1228 2011-11-03 Richard Henderson <rth@redhat.com>
1230 * configure.ac: Don't test for gfortran.
1231 * configure: Rebuild.
1233 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1234 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1236 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1238 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1239 * testsuite/libitm.c/memset-1.c: Same.
1240 * testsuite/libitm.c/c.exp: Same.
1241 * testsuite/lib/libitm-dg.exp: Same.
1242 * testsuite/lib/libitm.exp: Same.
1243 * testsuite/libitm.c++/c++.exp: Same.
1245 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1247 * testsuite/config/default.exp: Update copyright date.
1248 * configure.ac: Add copyright info.
1249 * configure.tgt: Same.
1251 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1253 * testsuite/libitm.c/reentrant.c: XFAIL.
1254 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1256 2011-10-29 Torvald Riegel <triegel@redhat.com>
1258 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1260 (_ITM_abortTransaction): Handle aborts of outer transactions.
1262 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1263 * libitm.texi: Document aborts of outer transactions.
1264 * testsuite/libitm.c/cancel.c: New file.
1266 2011-10-19 Torvald Riegel <triegel@redhat.com>
1268 * testsuite/*: Change __transaction to __transaction_atomic or
1269 __transaction_relaxed.
1271 2011-10-19 Torvald Riegel <triegel@redhat.com>
1273 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1276 2011-10-19 Torvald Riegel <triegel@redhat.com>
1278 * libitm_i.h: Add gl_wt dispatch.
1279 * retry.cc (parse_default_method): Same.
1280 * method-gl.cc: New file.
1281 * Makefile.am: Use method-gl.cc.
1282 * Makefile.in: Rebuild.
1284 2011-10-19 Torvald Riegel <triegel@redhat.com>
1286 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1287 safety if requested by a TM method.
1288 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1289 privatization safety.
1290 * method-serial.cc: Same.
1292 2011-10-19 Torvald Riegel <triegel@redhat.com>
1294 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1295 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1296 undolog-related member functions from *_local to *_undolog.
1297 * local.cc (gtm_thread::commit_undolog): Same.
1298 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1299 (GTM::gtm_thread::rollback): Roll back undolog before
1300 dispatch-specific rollback.
1302 2011-10-19 Torvald Riegel <triegel@redhat.com>
1304 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1305 re-initialization of the current method group.
1306 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1308 2011-10-19 Torvald Riegel <triegel@redhat.com>
1310 * alloc.cc (commit_allocations_2): Do not free transaction-local
1311 memory when committing a nested transaction.
1313 2011-10-19 Torvald Riegel <triegel@redhat.com>
1315 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1316 serial-irrevocable dispatch, not serial.
1318 2011-10-19 Torvald Riegel <triegel@redhat.com>
1320 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1322 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1323 * method-serial.cc: Implement begin_or_restart().
1324 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1325 dispatch-specific begin_or_restart().
1326 (GTM::gtm_thread::restart): Same.
1328 2011-08-23 Torvald Riegel <triegel@redhat.com>
1330 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1331 restarting without switching to serial mode.
1332 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1333 transaction state. Choose closed-nesting alternative if available.
1334 (GTM::gtm_thread::set_default_dispatch): New.
1335 (parse_default_method): New.
1336 (GTM::gtm_thread::number_of_threads_changed): New.
1337 * method-serial.cc (GTM::serial_mg): New method group class.
1338 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1340 (GTM::serial_dispatch): Same.
1341 (GTM::serialirr_onwrite_dispatch): Same.
1342 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1343 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1345 (GTM::gtm_thread::gtm_thread): Same.
1346 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1347 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1348 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1349 choose dispatch but set state according to dispatch here.
1350 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1351 (GTM::method_group): New class.
1352 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1353 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1354 * libitm.texi: Document TM methods, method groups, method life cycle.
1355 Rename method sets to method groups.
1357 2011-08-23 Torvald Riegel <triegel@redhat.com>
1359 * config/x86/tls.h: Moved to ...
1360 * config/linux/x86/tls.h: ... here.
1362 2011-08-23 Torvald Riegel <triegel@redhat.com>
1364 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1366 * config/x86/sjlj.S: Same.
1368 2011-08-19 Torvald Riegel <triegel@redhat.com>
1370 * config/linux/rwlock.h: New file.
1371 * config/linux/rwlock.c: New file.
1372 * configure.ac: Reenable futex support (undo SVN rev 157758).
1373 * Makefile.am: Same.
1374 * configure.tgt: Same.
1375 * config/linux/alpha/futex_bits.h: Same.
1376 * config/linux/futex.h: Same. Return number of woken processes.
1377 * config/linux/futex.cc: Same.
1378 (futex_wait): Remove spinning.
1379 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1380 Use __x86_64__ instead of __LP64__.
1381 * aclocal.m4: Include generic futex checks.
1382 * configure: Rebuild.
1383 * Makefile.in: Rebuild.
1384 * testsuite/Makefile.in: Rebuild.
1385 * beginend.cc: Include pthread.h.
1386 * config/posix/cachepage.cc: Same.
1388 2011-08-12 Torvald Riegel <triegel@redhat.com>
1390 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1391 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1393 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1395 (GTM::gtm_thread::thread_num): Removed.
1396 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1397 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1398 tx-to-thread renaming.
1399 * beginend.cc: Adapted to tx-to-thread renaming.
1400 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1401 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1402 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1403 gtm_transaction to gtm_thread.
1404 (_ITM_getThreadnum): Removed. Not supported anymore.
1405 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1406 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1407 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1408 gtm_tx-to-gtm_thr renaming if necessary.
1415 * alloc_cpp.cc: Same.
1416 * method-serial.cc: Same.
1417 * config/generic/tls.cc: Same.
1418 * config/posix/rwlock.h (gtm_rwlock): Same.
1419 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1421 2011-08-12 Torvald Riegel <triegel@redhat.com>
1423 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1425 (gtm_rwlock::read_unlock): Same.
1426 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1427 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1428 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1429 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1430 w_upgrade. Replaced by per-transaction flags (in shared_state).
1431 Added c_confirmed_writers.
1432 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1433 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1434 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1435 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1436 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1437 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1438 * libitm.texi: Document locking conventions and implementations in
1441 2011-08-12 Torvald Riegel <triegel@redhat.com>
1443 * libitm_i.h (next_tx): Add list of all threads' transaction.
1444 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1445 transaction with list of transactions and ...
1446 (thread_exit_handler): ... deregister here.
1447 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1448 * config/x86/target.h: Same.
1450 2011-08-12 Torvald Riegel <triegel@redhat.com>
1452 * testsuite/libitm.c++/static_ctor.C: New file.
1454 2011-08-12 Torvald Riegel <triegel@redhat.com>
1456 * testsuite/libitm.c/reentrant.c: New file.
1458 2011-08-12 Torvald Riegel <triegel@redhat.com>
1460 * config/generic/tls.h: Remove the free list for transactions and ...
1461 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1462 (GTM::gtm_transaction::operator delete): ... and release here.
1463 (thread_exit_handler): New. Delete tx when thread terminates.
1464 (thread_exit_init): New.
1465 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1466 * testsuite/libitm.c/txrelease.c: New file.
1468 2011-08-12 Torvald Riegel <triegel@redhat.com>
1470 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1471 * testsuite/libitm.c/notx.c: New file.
1473 2011-08-12 Torvald Riegel <triegel@redhat.com>
1475 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1476 * libitm_i.h (local_tid): ... to here.
1477 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1478 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1480 2011-08-12 Torvald Riegel <triegel@redhat.com>
1482 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1483 serialirr_onwrite_dispatch as new default for now.
1484 * method-serial.cc (serialirr_onwrite_dispatch): New.
1485 (GTM::dispatch_serialirr_onwrite): New.
1488 2011-08-12 Torvald Riegel <triegel@redhat.com>
1490 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1491 * query.cc (_ITM_getTransactionId): There is no active transaction if
1492 the current nesting level is zero.
1494 2011-07-28 Torvald Riegel <triegel@redhat.com>
1496 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1499 2011-07-28 Torvald Riegel <triegel@redhat.com>
1501 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1502 transaction properties from the caller instead of from the
1505 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1507 2011-07-28 Torvald Riegel <triegel@redhat.com>
1509 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1510 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1512 * method-serial.cc: Same.
1513 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1514 flat nesting as default, and closed nesting on demand.
1515 (GTM::gtm_transaction::rollback): Same.
1516 (_ITM_abortTransaction): Same.
1517 (GTM::gtm_transaction::restart): Same.
1518 (GTM::gtm_transaction::trycommit): Same.
1519 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1520 (choose_code_path): New.
1521 (GTM::gtm_transaction_cp::save): New.
1522 (GTM::gtm_transaction_cp::commit): New.
1523 * query.cc (_ITM_inTransaction): Support flat nesting.
1524 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1525 (GTM::gtm_transaction): Support flat and closed nesting.
1526 * alloc.cc (commit_allocations_2): New.
1527 (commit_cb_data): New helper struct.
1528 (GTM::gtm_transaction::commit_allocations): Handle nested
1530 * libitm.texi: Update user action section, add description of nesting.
1532 2011-07-28 Torvald Riegel <triegel@redhat.com>
1534 * libitm_i.h: Add closed nesting as restart reason.
1535 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1537 2011-07-28 Torvald Riegel <triegel@redhat.com>
1539 * useraction.cc: Use vector instead of list to store actions.
1540 Also support partial rollbacks for closed nesting.
1541 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1542 * beginend.cc: Same.
1544 2011-07-28 Torvald Riegel <triegel@redhat.com>
1546 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1547 closed_nesting flags, as well as a closed nesting alternative.
1548 * method-serial.cc: Same.
1549 (serial_dispatch): Renamed to serialirr_dispatch.
1550 (GTM::dispatch_serialirr): Same.
1551 (serial_dispatch_ul): Renamed to serial_dispatch.
1552 (GTM::dispatch_serial): Same.
1554 2011-07-28 Torvald Riegel <triegel@redhat.com>
1556 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1558 2011-07-28 Torvald Riegel <triegel@redhat.com>
1560 * aatree.h (aa_tree::remove): New.
1561 (aa_tree::operator new): Add placement new.
1563 2011-07-02 Torvald Riegel <triegel@redhat.com>
1565 * containers.h: New file.
1566 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1567 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1568 * common.h: ... to here.
1569 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1572 2011-06-30 Torvald Riegel <triegel@redhat.com>
1574 * libitm_i.h (STATE_ABORTING): Remove.
1575 * beginend.cc (_ITM_abortTransaction): Same.
1576 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1577 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1578 (_ITM_rollbackTransaction): Remove.
1579 * beginend.cc: Same.
1581 * libitm.texi: Document these ABI changes.
1583 2011-06-30 Torvald Riegel <triegel@redhat.com>
1585 * libitm.texi: New file.
1586 * Makefile.am: Add libitm.texi.
1587 * Makefile.in: Rebuild.
1589 2011-06-30 Torvald Riegel <triegel@redhat.com>
1591 * libitm_i.h: Move parts to common.h and dispatch.h.
1592 * common.h: New file.
1593 * dispatch.h: New file, new dispatch class.
1594 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1595 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1596 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1597 decision to retry.cc.
1598 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1600 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1601 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1603 * barrier.cc: Use new barriers definitions.
1604 (abi_dispatch::memmove_overlap_check): New.
1605 * config/x86/x86_sse.cc: Same.
1606 * config/x86/x86_avx.cc: Same.
1607 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1609 * Makefile.in: Rebuild.
1610 * method-readonly.cc: Remove.
1611 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1612 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1614 2011-06-30 Torvald Riegel <triegel@redhat.com>
1616 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1617 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1618 * testsuite/libitm.c/dropref-2.c: Same.
1619 * testsuite/libitm.c/dropref.c: Same.
1621 2011-06-30 Torvald Riegel <triegel@redhat.com>
1623 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1624 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1625 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1627 * barrier.tpl: Same.
1629 * config/generic/tls.h: Same.
1630 * config/x86/tls.h: Same.
1634 * method-readonly.cc: Same.
1635 * method-serial.cc: Same.
1636 * method-wbetl.cc: Same.
1639 2011-03-03 Richard Henderson <rth@redhat.com>
1641 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1642 From Patrik Marlier <patrick.marlier@unine.ch>.
1644 2011-02-03 Richard Henderson <rth@redhat.com>
1646 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1647 * configure.ac: Use it.
1648 * configure, config.h.in: Rebuild.
1649 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1650 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1651 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1652 * libitm.map: Use wildcards to match size_t mangling.
1654 2010-12-14 Richard Henderson <rth@redhat.com>
1656 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1657 blocks of TIDs per thread.
1658 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1659 (setup_gtm_thr): Return the thread structure.
1660 * config/x86/tls.h (setup_gtm_thr): Likewise.
1662 2010-12-14 Richard Henderson <rth@redhat.com>
1664 * clone.cc (table_lock): Remove.
1665 (find_clone): Don't take it.
1666 (ExcludeTransaction): New helper class.
1667 (_ITM_registerTMCloneTable): Use it.
1668 (_ITM_deregisterTMCloneTable): Likewise.
1670 2010-12-14 Richard Henderson <rth@redhat.com>
1672 * config/x86/tls.h: New file.
1674 2010-07-15 Richard Henderson <rth@redhat.com>
1676 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1677 * Makefile.in: Rebuild.
1679 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1681 * method-wbetl.cc (trydropreference): Fix source line.
1683 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1685 * libitm.h: Add comment.
1686 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1688 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1690 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1691 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1692 available, use pthread mutexes.
1693 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1694 * config.h.in: Regenerate.
1695 * configure: Regenerate.
1697 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1699 * libitm.h (ITM_PURE): Define.
1700 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1702 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1704 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1705 (validate): Add comment.
1706 (trydropreference): New.
1707 * method-readonly.cc (class readonly_dispatch): Add
1709 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1710 Call trydropreference().
1711 * libitm.h (_ITM_dropReferences): Remove const attribute.
1712 * method-serial.cc (class serial_dispatch): Add trydropreference.
1713 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1715 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1717 * memcpy.cc (do_memcpy): Comment.
1719 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1721 * barrier.tpl: Add comments throughout.
1723 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1725 * method-wbetl.cc (struct w_entry): Add comments.
1729 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1731 * alloc_c.cc (_ITM_dropReferences): New.
1732 * libitm.map (_ITM_dropReferences): Add.
1733 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1734 * libitm_i.h (struct gtm_transaction): Declare
1735 drop_references_allocations and drop_references_local.
1736 * local.cc (rollback_local): Ignore memory when applicable.
1737 (drop_references_local): New.
1739 2010-06-23 Richard Henderson <rth@redhat.com>
1741 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1742 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1743 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1744 * config/alpha/target.h: Likewise.
1745 * config/generic/tls.cc (gtm_mask_stack): Use it.
1747 2010-06-23 Richard Henderson <rth@redhat.com>
1749 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1750 a mutex instead of trying a lock-free compare-and-swap on the list.
1751 (gtm_cacheline_page::operator delete): Likewise.
1753 2010-06-16 Richard Henderson <rth@redhat.com>
1755 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1756 that overlap the libitm stack.
1757 * barrier.tpl: Mark incoming stack.
1758 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1759 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1760 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1761 * memcpy.cc, memset.cc: Likewise.
1762 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1763 * config/generic/tls.h (gtm_thread): Add stack_top member.
1764 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1765 * libitm_i.h (gtm_mask_stack): Declare.
1766 * config/generic/tls.cc: New file.
1767 * Makefile.am (libitm_la_SOURCES): Add it.
1768 (AM_CXXFLAGS): Turn off exceptions.
1769 * Makefile.in: Rebuild.
1771 2010-06-16 Richard Henderson <rth@redhat.com>
1773 * alloc.cc (struct gtm_alloc_action): Move definition ...
1774 * libitm_i.h: ... here.
1775 (class gtm_transaction): Declare new and delete.
1776 * beginend.cc (alloc_tx): Reformulate as operator new.
1777 (free_tx): Reformulate as operator delete.
1778 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1780 2010-06-11 Richard Henderson <rth@redhat.com>
1782 * clone.cc (clone_entry_compare): Fix typo.
1783 From Patrik Marlier <patrick.marlier@unine.ch>.
1785 2010-05-13 Richard Henderson <rth@redhat.com>
1787 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1790 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1792 * libitm_i.h (struct gtm_transaction): Remove
1793 get_allocation_size.
1794 (record_allocation): Remove size parameter.
1795 * libitm.map (_ITM_realloc): Remove.
1796 * alloc_c.cc (_ITM_realloc): Remove.
1797 (_ITM_malloc): Remove size argument to record_allocation.
1798 (_ITM_calloc): Same.
1799 * alloc_cpp.cc (_ZGTtnwm): Same.
1800 (_ZGTtnwmRKSt9nothrow_t): Same.
1802 (_ZGTtnamRKSt9nothrow_t): Same.
1803 * alloc.cc (struct gtm_alloc_action): Remove size.
1804 (get_allocation_size): Remove.
1805 (commit_allocations): Add comment.
1806 (record_allocation): Remove size parameter.
1807 (forget_allocation): Remove set of size.
1809 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1811 * Makefile.am (abi_version): New.
1812 (AM_CXXFLAGS): Pass abi_version.
1813 * Makefile.in: Regenerate.
1814 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1816 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1818 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1819 _ITM_getTMCloneOrIrrevokable.
1820 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1821 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1823 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1825 * configure.ac: Remove Linux futex support.
1826 * configure.tgt (config_path): Same.
1827 * Makefile.am: Same.
1828 * config/linux: Remove entire directory.
1829 * configure: Rebuild.
1830 * Makefile.in: Rebuild.
1831 * testsuite/Makefile.in: Rebuild.
1833 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1835 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1836 switching to serial mode.
1837 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1839 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1841 * configure.tgt: Add emacs -*- tags.
1842 * barrier.tpl: Same.
1844 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1846 * Makefile.am: Rename serial.cc to method-serial.cc.
1847 * Makefile.in: Regenerate with automake 1.11.1.
1848 * testsuite/Makefile.in: Same.
1849 * aclocal.m4: Regenerate with aclocal 1.11.1.
1850 * method-serial.cc: Rename from serial.cc.
1851 * libitm_i.h (struct gtm_transaction): Update comment on
1854 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1856 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1857 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1859 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1861 * configure: Rebuild.
1863 2009-11-12 Richard Henderson <rth@redhat.com>
1865 * Rewrite everything in C++.
1867 2009-11-03 Richard Henderson <rth@redhat.com>
1869 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1870 * Makefile.am (libitm_la_SOURCES): Add them.
1871 * configure.ac (ARCH_X86): New conditional.
1872 * Makefile.in, configure: Rebuild.
1873 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1874 Move futex setup into "other system configury" case.
1875 * local.c (rollback_local): Merge into ...
1876 (GTM_rollback_local): ... here.
1877 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1878 (_ITM_LB): Define as an alias to GTM_LB.
1880 2009-11-03 Richard Henderson <rth@redhat.com>
1882 * method-readonly.c: New file.
1883 * Makefile.am (libitm_la_SOURCES): Add it.
1884 * Makefile.in: Rebuild.
1885 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1886 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1887 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1888 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1889 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1890 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1891 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1892 gtm_get_clock, gtm_inc_clock): New.
1893 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1894 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1895 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1896 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1897 replace uses with new libitm_i.h symbols.
1898 (dispatch_wbetl): Rename from wbetl_dispatch.
1899 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1900 away from dispatch_readonly; abort if the beginTransaction call
1901 asserted that the transaction was readonly.
1903 2009-11-03 Richard Henderson <rth@redhat.com>
1905 * memset.c: New file.
1906 * Makefile.am (libitm_la_SOURCES): Add it.
1907 * Makefile.in: Rebuild.
1908 * testsuite/libitm.c/memset-1.c: New.
1910 2009-11-03 Richard Henderson <rth@redhat.com>
1912 * dispatch.c: Remove file.
1913 * useraction.c (struct gtm_user_action): Move from libitm.h.
1914 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1915 (serial_memset, serial_memmove, serial_memcpy): Remove.
1916 (serial_W*, serial_R*): Remove.
1917 (serial_dispatch): Update to match.
1918 * configure.ac: Move Werror down below configure checks. Don't
1919 check for sys/loadavg.h, do check for malloc.h. Don't check for
1920 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1921 Use GCC_AC_FUNC_MMAP_BLACKLIST
1922 * libitm.h: Split out all internal items to...
1923 * libitm_i.h: ... here. New file.
1924 * copymask.c: New file.
1925 * local.c (struct gtm_local_undo): Move from libitm.h.
1926 (GTM_alloc_local): Rename from alloc_local; export.
1927 * memcpy.c: New file.
1928 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1929 * config/posix/page.c: New file.
1930 * config/posix/target_tls.h: Remove file.
1931 * barrier.c: New file.
1932 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1934 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1935 * method-wbetl.c: Rewrite for new cacheline methods.
1936 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1938 * config/alpha/sjlj.S: Fix typo.
1939 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1940 * config/alpha/copymask.c: New file.
1941 * config/alpha/target.h (CACHELINE_SIZE): New.
1942 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1944 * config/x86/target_i.h: Copy functions from x86/target.h.
1945 * config/x86/copymask.c: New file.
1946 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1947 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1948 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1949 * config/x86/target_tls.h: Move contents to target_i.h.
1951 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1952 * testsuite/libitm.c/memcpy-1.c: New.
1954 2009-10-22 Richard Henderson <rth@redhat.com>
1956 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1957 (AM_CCASFLAGS): New.
1958 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1959 saving/restoring _AC_ARG_VAR_PRECIOUS.
1960 * Makefile.in, aclocal.m4, config.h.in, configure,
1961 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1963 2009-10-22 Richard Henderson <rth@redhat.com>
1965 * testsuite/*: Update for new compiler syntax.
1967 2009-10-21 Richard Henderson <rth@redhat.com>
1969 * libitm.h (_ITM_abortReason): Add outerAbort.
1971 2009-08-03 Richard Henderson <rth@redhat.com>
1973 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1974 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1975 * method-wbetl.c (struct w_entry): Remove mask.
1976 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1979 2009-07-22 Richard Henderson <rth@redhat.com>
1981 * eh_cpp.c: New file.
1982 * Makefile.am (libitm_la_SOURCES): Add it.
1983 * Makefile.in: Rebuild.
1984 * beginend.c (GTM_rollback_transaction): Undo exception state.
1985 (GTM_trycommit_transaction): Mark inline.
1986 (GTM_trycommit_and_finalize_transaction): Split out from ...
1987 (_ITM_commitTransaction): ... here.
1988 (_ITM_commitTransactionEH): New function.
1989 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1990 cxa_unthrown, eh_in_flight; reorder.
1992 * testsuite/libitm.c++/c++.exp: New.
1993 * testsuite/libitm.c++/eh-1.C: New.
1995 * aatree.c (aa_free): Remove REGPARM.
1996 * aatree.h: Remove all REGPARM.
1998 2009-07-18 Richard Henderson <rth@redhat.com>
2000 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2001 * Makefile.am (libitm_la_SOURCES): Add them.
2002 * Makefile.in: Rebuild.
2003 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2004 (GTM_trycommit_transaction): Likewise.
2005 * libitm.h: Include aatree.h
2006 (struct gtm_alloc_action): New.
2007 (struct gtm_transaction): Add alloc_actions.
2008 (GTM_record_allocation, GTM_forget_allocation): Declare.
2009 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2010 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2011 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2012 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2013 _ZGTtdaPvRKSt9nothrow_t): Export.
2015 2009-07-18 Richard Henderson <rth@redhat.com>
2017 * target_tls.h: Move ...
2018 * config/posix/target_tls.h: ... here.
2020 2009-07-07 Richard Henderson <rth@redhat.com>
2022 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2024 2009-07-07 Richard Henderson <rth@redhat.com>
2028 2009-07-07 Richard Henderson <rth@redhat.com>
2030 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2031 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2033 * configure.tgt: Don't use -ftls-model for x86 linux.
2034 * libitm.h: Include target.h after standard includes.
2035 (_gtm_thr): Rename from gtm_thr.
2036 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2037 (gtm_disp, set_gtm_disp): New.
2038 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2039 retry.c, serial.c, useraction.c: Use accessor functions throughout.
2040 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2042 2009-07-07 Richard Henderson <rth@redhat.com>
2044 * config/linux/rwlock.c (EZ): New define. Use it throughout.
2046 2009-07-06 Richard Henderson <rth@redhat.com>
2048 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2049 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2050 (_ITM_beginTransaction): Take variadic arguments.
2051 (_ITM_registerThrownObject): Declare.
2052 * beginend.c, serial.c: Update.
2053 * libitm.map: Add _ITM_registerThrownObject.
2055 2009-01-28 Richard Henderson <rth@redhat.com>
2057 * Makefile.am (libitm_la_SOURCES): Add clone.c.
2058 * Makefile.in: Rebuild.
2059 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2060 (GTM_restart_transaction): Fix uninstrumented code check.
2061 * retry.c (GTM_decide_retry_strategy): Add serial check.
2062 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
2063 automatically go irrevokable when in serial mode.
2064 * clone.c: New file.
2065 * libitm.h, libitm.map: Update.
2067 2009-01-27 Richard Henderson <rth@redhat.com>
2069 * Makefile.am (LTCCASCOMPILE): Define.
2070 (libitm_la_SOURCES): Add methid-wbetl.c.
2071 * testsuite/Makefile.am: New
2072 * configure.ac: Add testsuite/Makefile.
2073 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2074 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2075 (_ITM_abortTransaction): Finalize implementation method; pass
2076 transaction properties to longjmp.
2077 (GTM_restart_transaction): Split out from ...
2078 (_ITM_commitTransaction): ... here.
2079 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2080 Move to config/x86/target.h.
2081 * config/linux/alpha/futex_bits.h: New.
2082 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2083 * config/x86/target.h: Disable target types for 32-bit.
2084 * config/alpha/sjlj.S, config/alpha/target.h: New.
2085 * libitm.h (struct gtm_dispatch): Add init, fini.
2086 (enum restart_reason): New.
2087 (struct gtm_transaction): Add method and restarts.
2088 * retry.c (GTM_decide_retry_strategy): Implement.
2089 * serial.c (serial_init, serial_fini): New.
2090 (GTM_serialmode): Finialize outgoing method.
2091 * method-wbetl.c: New.
2093 2008-12-09 Richard Henderson <rth@redhat.com>
2095 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2096 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2097 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2098 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2099 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2100 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2101 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2102 * serial.c (serial_R##T, serial_W##T): Likewise.
2104 2008-11-21 Richard Henderson <rth@redhat.com>
2108 Copyright (C) 2008-2018 Free Software Foundation, Inc.
2110 Copying and distribution of this file, with or without modification,
2111 are permitted in any medium without royalty provided the copyright
2112 notice and this notice are preserved.