1 2021-01-15 Jakub Jelinek <jakub@redhat.com>
4 * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
5 be added through preprocessor check on
6 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
8 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
10 * configure: Re-generate.
12 2021-01-01 Jakub Jelinek <jakub@redhat.com>
14 * libitm.texi: Bump @copying's copyright year.
16 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
19 * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
20 * configure: Regenerate.
22 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
24 * configure: Regenerate.
26 2020-10-01 Alan Modra <amodra@gmail.com>
28 * config/powerpc/sjlj.S: Support __PCREL__ code.
30 2020-07-24 Szabolcs Nagy <szabolcs.nagy@arm.com>
32 * config/aarch64/sjlj.S: Add conditional pac-ret protection.
34 2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
36 * config/aarch64/sjlj.S: Add BTI marking and related definitions,
37 and add BTI c to function entries.
39 2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
41 * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
43 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
46 * configure: Regenerated.
48 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
51 * configure: Regenerated.
53 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
55 * configure: Regenerated.
57 2020-05-12 Nathan Sidwell <nathan@acm.org>
59 Fix throw specifiers on interface.
60 * libitm/libitm.h (_ITM_NOTHROW): Define.
61 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
62 (_ITM_cxa_begin_catch): Use it.
63 * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
64 __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
66 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
67 (_ITM_cxa_begin_catch): Likewise.
69 2020-05-05 Nathan Sidwell <nathan@acm.org>
71 * testsuite/lib/libitm.exp (libitm_init): Add
72 -fdiagnostics-color=never to options.
74 2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
79 * configure: Regenerated.
81 2020-01-24 Maciej W. Rozycki <macro@wdc.com>
83 * configure.ac: Handle `--with-toolexeclibdir='.
84 * Makefile.in: Regenerate.
85 * aclocal.m4: Regenerate.
86 * configure: Regenerate.
87 * testsuite/Makefile.in: Regenerate.
89 2020-01-01 Jakub Jelinek <jakub@redhat.com>
91 Update copyright years.
93 * libitm.texi: Bump @copying's copyright year.
95 2019-12-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
98 * configure.tgt: Avoid IE tls on *-*-musl*.
100 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
102 * configure: Regenerate.
104 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
106 * config/arm/sjlj.S (ldaddr): Add FDPIC support.
108 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
110 * configure.tgt: Handle *-*-uclinux*.
111 * configure: Regenerate.
113 2019-09-06 Florian Weimer <fweimer@redhat.com>
115 * configure: Regenerate.
117 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
120 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
121 scanning to conform to the GNU Coding Standards.
122 * configure: Regenerate.
124 2019-05-03 Jakub Jelinek <jakub@redhat.com>
126 * Makefile.am (finclude): Remove.
127 * Makefile.in: Regenerated.
129 2019-01-01 Jakub Jelinek <jakub@redhat.com>
131 Update copyright years.
133 2019-01-01 Jakub Jelinek <jakub@redhat.com>
135 * libitm.texi: Bump @copying's copyright year.
137 2018-12-16 Jakub Jelinek <jakub@redhat.com>
140 * eh_cpp.cc (__cxa_throw): Change DEST argument type from
141 void * to void (*) (void *).
142 (_ITM_cxa_throw): Likewise.
143 * libitm.h (_ITM_cxa_throw): Likewise.
144 * libitm.texi (_ITM_cxa_throw): Likewise.
146 2018-12-13 Peter Bergner <bergner@linux.ibm.com>
148 * config/powerpc/target.h (htm_available): Add support for
149 PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available.
151 2018-10-31 Joseph Myers <joseph@codesourcery.com>
154 * Makefile.am: Include multilib.am.
155 (AUTOMAKE_OPTIONS): Add info-in-builddir.
156 (CLEANFILES): Remove libitm.info.
157 * configure.ac: Remove AC_PREREQ.
158 * testsuite/Makefile.am (RUNTEST): Remove quotes.
159 * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
162 2018-10-30 Nicholas Krause <xerofoify@gmail.com>
165 * method-serial.cc: Mark varible as potentially unused
168 2018-08-03 Sergei Trofimovich <slyfox@gentoo.org>
170 * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
171 absolute relocation in a shared library.
173 2018-06-12 H.J. Lu <hongjiu.lu@intel.com>
176 * config/linux/x86/tls.h (SEG_READ): Use the offset of
177 __private_tm as base.
178 (SEG_WRITE): Likewise.
179 (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
180 (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
181 (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
182 (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
183 (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
185 2018-05-17 Jason Merrill <jason@redhat.com>
187 * beginend.cc (save): Disable -Werror=deprecated-copy.
189 2018-05-02 Tom de Vries <tom@codesourcery.com>
192 * testsuite/lib/libitm.exp: Include scanltranstree.exp.
194 2018-05-02 Tom de Vries <tom@codesourcery.com>
197 * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
199 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
201 * config/x86/sjlj.S (_ITM_beginTransaction): Add
202 (__CET__ & 2) != 0 check for shadow stack.
203 (GTM_longjmp): Likewise.
205 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
207 * configure: Regenerated.
209 2018-04-23 H.J. Lu <hongjiu.lu@intel.com>
212 * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
214 2018-04-19 Jakub Jelinek <jakub@redhat.com>
216 * configure: Regenerated.
218 2018-04-18 David Malcolm <dmalcolm@redhat.com>
221 * configure: Regenerate.
223 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
226 * configure: Regenerate.
228 2018-01-03 Jakub Jelinek <jakub@redhat.com>
230 Update copyright years.
232 * libitm.texi: Bump @copying's copyright year.
234 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
236 * Makefile.in: Regenerate.
237 * acinclude.m4: Add enable.m4 and cet.m4.
238 * config/x86/sjlj.S: Include cet.h.
239 (_ITM_beginTransaction): Add _CET_ENDBR.
240 Save Shadow Stack pointer.
241 (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
242 * config/x86/target.h (struct gtm_jmpbuf):
243 Add new field for Shadow Stack pointer.
244 * configure: Regenerate.
245 * configure.ac: Set CET_FLAGS. Update XCFLAGS.
246 * configure.ac: Update libtool_VERSION for x86.
247 * testsuite/Makefile.in: Regenerate.
249 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
251 * libitm/config/x86/target.h: Add new field (ssp).
252 * libitm/config/x86/sjlj.S: Change offsets.
254 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
256 * testsuite/lib/libitm.exp: Load scanlang.exp.
258 2017-04-03 Jonathan Wakely <jwakely@redhat.com>
260 * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
262 2017-01-21 Jakub Jelinek <jakub@redhat.com>
265 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
266 of cat to get version from BASE-VER file.
267 * testsuite/Makefile.in: Regenerated.
269 2017-01-19 Uros Bizjak <ubizjak@gmail.com>
271 * config/x86/target.h (htm_available): Determine vendor from
272 __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup.
274 2017-01-18 Torvald Riegel <triegel@redhat.com>
276 * config/x86/target.h (htm_available): Add check for some processors
277 on which TSX is broken.
279 2017-01-17 Jakub Jelinek <jakub@redhat.com>
282 * configure.ac: Add GCC_BASE_VER.
283 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
284 get version from BASE-VER file.
285 * testsuite/Makefile.in: Regenerated.
286 * configure: Regenerated.
287 * Makefile.in: Regenerated.
289 2017-01-04 Alan Modra <amodra@gmail.com>
291 * Makefile.in: Regenerate.
292 * testsuite/Makefile.in: Regenerate.
294 2017-01-01 Jakub Jelinek <jakub@redhat.com>
296 Update copyright years.
298 * libitm.texi: Bump @copying's copyright year.
300 2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
302 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
303 * aclocal.m4: Regenerate.
304 * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
305 LIBITM_CHECK_LINKER_HWCAP.
307 2016-11-15 Matthias Klose <doko@ubuntu.com>
309 * configure: Regenerate.
311 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
314 * util.cc (xmalloc): Use posix_memalign to allocate memory on
315 on cache line if requested.
317 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
319 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
320 function attribute to disable floating point in begin_transaction() on
322 * beginend.cc (begin_transaction): Use
323 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
325 2016-01-22 Torvald Riegel <triegel@redhat.com>
327 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
329 (htm_fastpath): Remove.
330 (gtm_thread::begin_transaction): Fix HTM fastpath.
331 (_ITM_commitTransaction): Adapt.
332 (_ITM_commitTransactionEH): Adapt.
333 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
335 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
336 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
337 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
338 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
339 * libitm/method-serial.cc (htm_mg): Adapt.
340 (gtm_thread::serialirr_mode): Adapt.
341 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
343 2016-01-21 Torvald Riegel <triegel@redhat.com>
345 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
348 2016-01-19 Richard Henderson <rth@redhat.com>
353 2016-01-13 Richard Henderson <rth@redhat.com>
355 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
356 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
357 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
358 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
359 * configure.ac (ARCH_AARCH64): New conditional.
360 (ARCH_PPC, ARCH_S390): Likewise.
361 * Makefile.in, configure: Rebuild.
363 * libitm.h (_ITM_TYPE_M128): Always define.
364 * vect64.cc: Split ...
365 * vect128.cc: ... out of...
366 * config/x86/x86_sse.cc: ... here.
367 * config/arm/neon.cc: New file.
369 2016-01-19 Torvald Riegel <triegel@redhat.com>
371 * local_type_traits: Remove file.
372 * libitm_i.h: Don't include it anymore.
373 (sized_integral): Remove.
375 2016-01-16 Torvald Riegel <triegel@redhat.com>
377 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
379 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
380 * libitm/testsuite/libitm.c/priv-1.c: New.
382 2015-01-15 Torvald Riegel <triegel@redhat.com>
384 testsuite/libitm.c++/libstdc++-safeexc.C: New.
386 2016-01-13 Torvald Riegel <triegel@redhat.com>
388 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
389 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
390 (gtm_rwlock::write_unlock): Likewise.
392 2016-01-13 Richard Henderson <rth@redhat.com>
394 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
395 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
396 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
397 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
398 * configure.ac (ARCH_AARCH64): New conditional.
399 (ARCH_PPC, ARCH_S390): Likewise.
400 * Makefile.in, configure: Rebuild.
402 * libitm.h (_ITM_TYPE_M128): Always define.
403 * vect64.cc: Split ...
404 * vect128.cc: ... out of...
405 * config/x86/x86_sse.cc: ... here.
406 * config/arm/neon.cc: New file.
408 2016-01-13 Torvald Riegel <triegel@redhat.com>
410 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
411 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
412 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
413 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
414 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
415 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
416 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
417 (serialirr_dispatch::snapshot_most_recent): New.
418 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
420 2016-01-12 Torvald Riegel <triegel@redhat.com>
422 * libitm_i.h (gtm_mask_stack): Remove.
423 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
424 * stmlock.h: Remove file.
425 * config/alpha/cacheline.h: Likewise.
426 * config/generic/cacheline.h: Likewise.
427 * config/powerpc/cacheline.h: Likewise.
428 * config/sparc/cacheline.h: Likewise.
429 * config/x86/cacheline.h: Likewise.
431 2016-01-04 Jakub Jelinek <jakub@redhat.com>
433 Update copyright years.
435 * libitm.texi: Bump @copying's copyright year.
437 2015-11-26 Torvald Riegel <triegel@redhat.com>
439 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
440 (ml_wt_dispatch::pre_write): Adapt.
441 (ml_wt_dispatch::pre_load): Likewise.
443 2015-11-22 Torvald Riegel <triegel@redhat.com>
445 * libitm_i.h (gtm_alloc_action): Remove union.
446 * testsuite/libitm.c/alloc-1.c: New.
448 2015-11-19 Torvald Riegel <triegel@redhat.com>
450 * testsuite/libitm.c++/eh-5.C: New.
451 * libitm.h (_ITM_cxa_free_exception): New.
452 * libitm.map (_ITM_cxa_free_exception): Add it.
453 * libitm.texi: Update ABI docs.
454 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
455 (gtm_transaction_cp::cxa_uncaught_count): Add.
456 (gtm_thread::cxa_unthrown): Remove.
457 (gtm_thread::cxa_uncaught_count_ptr): Add.
458 (gtm_thread::cxa_uncaught_count): Add.
459 (gtm_thread::drop_references_allocations): Rename to...
460 (gtm_thread::discard_allocation): ... this and adapt.
461 (gtm_thread::init_cpp_exceptions): New.
462 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
463 (gtm_thread::begin_transaction): Likewise.
464 (gtm_transaction_cp::save): Likewise.
465 (gtm_thread::trycommit): Likewise.
466 * eh_cpp.cc: Add overview comments.
467 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
468 (free_any_exception, _ITM_cxa_free_exception): New.
469 (gtm_thread::init_cpp_exceptions): Define.
470 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
471 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
472 (gtm_thread::revert_cpp_exceptions): Likewise.
474 2015-11-09 Torvald Riegel <triegel@redhat.com>
476 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
477 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
478 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
479 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
480 (gtm_thread::forget_allocations): New overload with size_t argument.
481 * alloc.c (gtm_thread::forget_allocation): Define new overload and
483 (gtm_thread::record_allocation): Adapt.
484 (gtm_thread::commit_allocations_1): Adapt.
485 (gtm_thread::commit_allocations_2): Adapt.
486 * testsuite/libitm.c++/newdelete.C: New.
488 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
489 Joseph Myers <joseph@codesourcery.com>
490 Mark Shinwell <shinwell@codesourcery.com>
491 Andrew Stubbs <ams@codesourcery.com>
492 Rich Felker <dalias@libc.org>
494 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
495 GTM_begin_transaction for compatibility with FDPIC.
497 2015-10-09 David Malcolm <dmalcolm@redhat.com>
499 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
502 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
505 * local_atomic (__always_inline): Rename to...
506 (__libitm_always_inline): ... this.
508 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
511 * config/powerpc/sjlj.S: Port to Xcode 2.5.
513 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
515 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
516 operands "op" and "val" to int.
518 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
520 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
521 "op" and "val" to int.
523 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
525 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
526 "op" and "val" to int.
528 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
530 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
531 Declare as static int.
532 (FUTEX_PRIVATE_FLAG): Remove L suffix.
533 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
535 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
537 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
540 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
542 * Makefile.in: Regenerated with automake-1.11.6.
543 * aclocal.m4: Likewise.
544 * configure: Likewise.
545 * testsuite/Makefile.in: Likewise.
547 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
549 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
550 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
552 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
555 * libitm.c/stackundo.c (test2): Make it static.
558 2015-01-05 Jakub Jelinek <jakub@redhat.com>
560 Update copyright years.
562 2015-01-05 Jakub Jelinek <jakub@redhat.com>
564 * libitm.texi: Bump @copying's copyright year.
566 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
568 * testsuite/lib/libitm.exp: Load target-utils.exp.
569 Move load of target-supports.exp earlier.
571 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
573 * configure.tgt (x86_64): Tune -m32 multilib to generic.
575 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
578 * configure: Regenerated.
580 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
583 * configure: Regenerate.
585 2014-10-06 Marek Polacek <polacek@redhat.com>
587 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
588 * testsuite/libitm.c/memset-1.c: Likewise.
590 2014-07-24 Richard Henderson <rth@redhat.com>
592 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
593 addressing mode in epilogue.
595 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
597 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
598 -mclear-hwcap instead.
599 * configure: Regenerate.
600 * clearcap.map: Remove.
602 2014-05-21 John Marino <gnugcc@marino.st>
604 * configure.tgt (*-*-dragonfly*): New target.
606 2014-05-19 Richard Henderson <rth@redhat.com>
608 * config/aarch64/sjlj.S: New file.
609 * config/aarch64/target.h: New file.
610 * configure.tgt: Enable aarch64.
612 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
614 * config/generic/asmcfi.h: Also check for
615 __GCC_HAVE_DWARF2_CFI_ASM.
617 2013-04-02 Richard Henderson <rth@redhat.com>
619 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
620 * config/arm/target.h, config/sh/target.h: Likewise.
621 * config/sparc/target.h, config/x86/target.h: Likewise.
623 2014-03-26 Jakub Jelinek <jakub@redhat.com>
625 * config/linux/futex_bits.h: Include errno.h.
626 (sys_futex0): If syscall returns -1, return -errno rather than
629 2014-03-26 Joseph Myers <joseph@codesourcery.com>
631 * libitm.texi (Index): Rename to Library Index.
633 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
636 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
637 (x86_avx.lo): Append -mavx to CXXFLAGS.
638 * Makefile.in: Regenerate.
640 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
642 Update copyright years
644 2014-01-02 Tobias Burnus <burnus@net-b.de>
646 * libitm.texi: Bump @copying's copyright year.
648 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
650 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
651 (FUNC): Define ELFv2 variant.
658 2013-09-20 Alan Modra <amodra@gmail.com>
660 * configure: Regenerate.
662 2013-08-30 Torvald Riegel <triegel@redhat.com>
664 * config/posix/rwlock.cc: Fix initialization order.
666 2013-08-30 Torvald Riegel <triegel@redhat.com>
668 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
669 (htm_fastpath): Assign an asm name.
670 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
672 (_ITM_actions): Likewise.
673 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
675 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
676 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
677 field to the start of the structure.
678 * config/linux/rwlock.h (gtm_rwlock): Update comments.
679 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
680 handling for custom HTM fast paths.
682 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
684 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
686 * configure.tgt: Add -msoft-float to XCFLAGS.
688 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
690 * configure.tgt: Add -msoft-float to XCFLAGS.
692 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
694 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
695 (htm_transaction_active): Enable zEC12 instructions in the
697 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
699 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
701 * acinclude.m4: Add htm asm check for s390.
702 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
703 * configure: Regenerate.
704 * config/s390/target.h: Remove __HTM__ check.
705 (htm_available): Call getauxval to get hwcaps and check whether
706 HTM is available or not.
708 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
710 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
711 * configure.ac: Use it.
712 (AC_CHECK_HEADERS): Check for sys/auxv.h.
713 (AC_CHECK_FUNCS): Check for getauxval.
714 * config.h.in, configure: Rebuild.
715 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
716 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
717 (USE_HTM_FASTPATH): Define.
718 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
719 _HTM_RETRIES) New macros.
720 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
721 htm_begin_success, htm_commit, htm_transaction_active): New functions.
723 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
725 * config/s390/target.h: Include htmintrin.h.
726 (_HTM_ITM_RETRIES): New macro definition.
727 (htm_available, htm_init, htm_begin, htm_begin_success)
728 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
730 2013-06-20 Iain Sandoe <iain@codesourcery.com>
731 Cesar Philippidis <cesar@codesourcery.com>
733 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
734 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
735 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
736 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
738 2013-06-20 Torvald Riegel <triegel@redhat.com>
740 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
741 (_ITM_getTransactionId): Same.
742 * config/x86/target.h (htm_transaction_active): New.
744 2013-06-20 Torvald Riegel <triegel@redhat.com>
747 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
750 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
753 * local_atomic (__always_inline): Always define our version.
754 (__calculate_memory_order): Mark inline.
755 (atomic_thread_fence): Ditto.
756 (atomic_signal_fence): Ditto.
757 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
758 (atomic_bool::atomic_flag_clear_explicit): Ditto.
759 (atomic_bool::atomic_flag_test_and_set): Ditto.
760 (atomic_bool::atomic_flag_clear): Ditto.
762 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
764 * config/s390/sjlj.S: New file.
765 * config/s390/target.h: New file.
766 * configure.tgt: Set options for S/390.
768 2013-03-23 Andi Kleen <ak@linux.intel.com>
770 * local_atomic (__always_inline): Add.
771 (__calculate_memory_order, atomic_thread_fence,
772 atomic_signal_fence, test_and_set, clear, store, load,
773 exchange, compare_exchange_weak, compare_exchange_strong,
774 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
775 Add __always_inline to force inlining.
777 2013-02-11 Iain Sandoe <iain@codesourcery.com>
778 Jack Howarth <howarth@bromo.med.uc.edu>
779 Patrick Marlier <patrick.marlier@gmail.com>
782 * alloc_cpp.cc: Enable function declarations on darwin.
783 * eh_cpp.cc: Likewise.
785 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
787 Update copyright years.
789 2012-11-09 Torvald Riegel <triegel@redhat.com>
791 * beginend.cc (htm_fastpath): New.
792 (gtm_thread::begin_transaction, _ITM_commitTransaction,
793 _ITM_commitTransactionEH): Add HTM fastpath handling.
794 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
795 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
796 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
797 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
798 * configure.tgt: Add -mrtm to XCFLAGS.
799 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
800 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
801 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
802 * retry.cc (parse_default_method): Add HTM method parsing.
803 (gtm_thread::number_of_threads_changed): Use HTM by default if
806 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
808 * configure: Regenerate.
810 2012-10-31 Richard Henderson <rth@redhat.com>
812 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
813 * configure.ac: Use it.
814 * config.h.in, configure: Rebuild.
815 * testsuite/Makefile.in: Rebuild.
817 2012-10-24 Torvald Riegel <triegel@redhat.com>
819 * libitm.texi: Clarify ABI requirements for data-logging functions.
821 2012-10-24 Torvald Riegel <triegel@redhat.com>
823 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
824 it requires serial mode instead of assuming that for certain
826 * dispatch.h (abi_dispatch::requires_serial): New.
827 (abi_dispatch::abi_dispatch): Adapt.
828 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
829 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
830 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
831 serial_dispatch::serial_dispatch,
832 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
834 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
836 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
837 and ia32 declarations some more.
838 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
840 2012-09-20 Jakub Jelinek <jakub@redhat.com>
843 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
844 * configure: Regenerate.
845 * Makefile.in: Regenerate.
847 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
849 * configure: Regenerated.
851 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
853 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
855 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
857 * eh_cpp.cc: Fix __cxa_end_catch declaration.
859 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
861 * configure: Regenerated.
863 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
866 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
869 2012-04-03 Tristan Gingold <gingold@adacore.com>
871 * configure: Regenerate.
873 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
876 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
878 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
880 * testsuite/lib/libitm.exp: load fortran-modules.exp
882 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
884 * configure.tgt (*-*-irix6*): Remove.
886 2012-03-13 Torvald Riegel <triegel@redhat.com>
889 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
892 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
894 * configure.tgt (*-*-osf*): Remove.
895 * configure: Regenerate.
897 2012-03-05 Torvald Riegel <triegel@redhat.com>
899 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
900 memtransfer/memset if size isn't larger than zero.
902 2012-03-02 Torvald Riegel <triegel@redhat.com>
904 * libitm.texi: Link to specification and add a usage example.
906 2012-02-24 Torvald Riegel <triegel@redhat.com>
908 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
909 default dispatch for more than 1 thread to ml_wt.
911 2012-02-20 Torvald Riegel <triegel@redhat.com>
913 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
915 2012-02-20 Torvald Riegel <triegel@redhat.com>
917 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
919 2012-02-20 Torvald Riegel <triegel@redhat.com>
921 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
922 serial mode corner cases made obsolete by prior gtm_rwlock changes.
923 (gl_wt_dispatch.rollback): Same.
925 2012-02-20 Torvald Riegel <triegel@redhat.com>
927 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
929 2012-02-20 Torvald Riegel <triegel@redhat.com>
931 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
932 for RfW src. Optimize number of calls to gtm_thr.
934 2012-02-20 Torvald Riegel <triegel@redhat.com>
936 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
938 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
939 (default_dispatch): Make atomic.
940 (GTM::gtm_thread::set_default_dispatch): Access atomically.
941 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
942 use decide_begin_dispatch() if default_dispatch might have changed.
943 (GTM::gtm_thread::number_of_threads_changed): Initialize
944 default_dispatch here.
946 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
947 Patrick Marlier <patrick.marlier@gmail.com>
950 * alloc_cpp.cc: No dummy definitions for darwin.
951 * eh_cpp.cc: Likewise.
953 2012-02-14 Richard Henderson <rth@redhat.com>
955 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
957 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
959 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
961 2012-02-14 Torvald Riegel <triegel@redhat.com>
963 * libitm_i.h (GTM::gtm_rwlog_entry): New.
964 (GTM::gtm_thread): Add read and write logs.
965 (GTM::dispatch_ml_wt): Declare.
966 * retry.cc (parse_default_method): Support ml_wt.
967 * method-ml.cc: New file.
968 * Makefile.am: Add method-ml.cc.
969 * Makefile.in: Regenerate.
971 2012-02-14 Torvald Riegel <triegel@redhat.com>
973 * dispatch.h (GTM::abi_dispatch::supports): New.
974 (GTM::method_group::reinit): New.
975 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
976 (GTM::gtm_thread::number_of_threads_changed): Check that the method
977 supports the current situation.
979 2012-02-14 Torvald Riegel <triegel@redhat.com>
981 * util.cc (GTM::xcalloc): New.
982 * common.h (GTM::xcalloc): Declare.
984 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
986 * config/sparc/target.h (cpu_relax): Read from CC register.
987 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
989 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
991 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
993 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
995 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
996 * config/sparc/cacheline.h: New file.
997 * config/sparc/target.h: Likewise.
998 * config/sparc/sjlj.S: Likewise.
999 * config/linux/sparc/futex_bits.h: Likewise.
1001 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1003 * configure.ac (link_itm): Fix comment.
1004 * configure: Regenerate.
1005 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1007 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1010 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1011 Correct libgomp references.
1013 2012-01-24 Torvald Riegel <triegel@redhat.com>
1015 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1018 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
1020 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1022 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1023 offset values. Do not copy return address. Decrement stack
1025 (GTM_longjump) [__x86_64__]: Update offset values.
1027 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1030 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1031 the first function argument to %eax.
1033 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1035 * libitm.h (_ITM_getThreadnum): Remove.
1036 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1038 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1040 * clearcap.map: New file.
1041 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1042 * configure.ac: Call it.
1043 Clear HWCAP_LDFLAGS if defaulting to -mavx.
1044 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1045 * configure: Regenerate.
1046 * Makefile.in: Regenerate.
1047 * testsuite/Makefile.in: Regenerate.
1049 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1052 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1053 include, exclude options.
1055 2012-01-14 Torvald Riegel <triegel@redhat.com>
1057 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1059 * containers.h (GTM::vector::set_size): New.
1061 2012-01-14 Torvald Riegel <triegel@redhat.com>
1064 * config/generic/tls.h (GTM::mask_stack_top): New.
1065 (GTM::mask_stack_bottom): Declare.
1066 * config/generic/tls.c (GTM::mask_stack_bottom): New.
1067 * local.cc (gtm_undolog::rollback): Filter out any updates that
1068 overlap the libitm stack. Add current transaction as parameter.
1069 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1070 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1071 * testsuite/libitm.c/stackundo.c: New test.
1073 2012-01-10 Richard Henderson <rth@redhat.com>
1075 * libitm_i.h (_Unwind_DeleteException): Declare weak.
1076 * eh_cpp.cc (_Unwind_DeleteException): Define for
1077 !HAVE_ELF_STYLE_WEAKREF.
1079 2012-01-08 Torvald Riegel <triegel@redhat.com>
1081 * local.cc (GTM_LB): Use GTM::gtm_undolog.
1082 (GTM::gtm_thread::drop_references_undolog): Remove.
1083 (GTM::gtm_thread::commit_undolog,
1084 GTM::gtm_thread::rollback_undolog): Move to ...
1085 * libitm_i.h (GTM::gtm_undolog): ...here. New.
1086 (GTM::gtm_undolog_entry): Remove.
1087 (GTM::gtm_thread): Adapt.
1088 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1089 (GTM::gtm_thread::trycommit): Adapt.
1090 * method-serial.cc (serial_dispatch::log): Adapt.
1091 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1092 (gl_wt_dispatch::store): Fix likely/unlikely.
1093 * containers.h (GTM::vector::resize): Add additional_capacity
1094 parameter and handle it.
1095 (GTM::vector::resize_noinline): New/adapt.
1096 (GTM::vector::push): New.
1098 2012-01-06 Richard Henderson <rth@redhat.com>
1100 * configure.tgt: Support powerpc-linux and powerpc-darwin.
1101 * config/linux/powerpc/futex_bits.h: New file.
1102 * config/powerpc/cacheline.h: New file.
1103 * config/powerpc/sjlj.S: New file.
1104 * config/powerpc/target.h: New file.
1105 * config/generic/asmcfi.h (cfi_offset): New.
1106 (cfi_restore, cfi_undefined): New.
1108 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
1111 * testsuite/libitm.c/reentrant.c: Remove xfail.
1112 (thread): Pass x to pure().
1113 From Patrik Marlier <patrick.marlier@gmail.com>.
1115 2011-12-24 Torvald Riegel <triegel@redhat.com>
1117 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1118 privatization safety if already in serial mode.
1120 2011-12-24 Torvald Riegel <triegel@redhat.com>
1122 * beginend.cc (GTM::gtm_thread::restart): Add and handle
1123 finish_serial_upgrade parameter.
1124 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1125 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1126 Don't unset reader flag.
1127 (GTM::gtm_rwlock::write_upgrade_finish): New.
1128 * config/posix/rwlock.cc: Same.
1129 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1131 * config/posix/rwlock.h: Same.
1132 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1133 flag after commit or after rollback when restarting.
1135 2011-12-24 Torvald Riegel <triegel@redhat.com>
1137 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1138 (GTM::gtm_thread::try_commit): Changed memory order.
1139 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1141 * config/linux/x86/futex_bits.h (sys_futex0): Same.
1142 * config/linux/sh/futex_bits.h (sys_futex0): Same.
1143 * config/linux/futex_bits.h (sys_futex0): Same.
1144 * config/linux/futex.cc (futex_wait, futex_wake): Same.
1145 * config/linux/futex.h (futex_wait, futex_wake): Same.
1146 * config/linux/rwlock.h (gtm_rwlock::writers,
1147 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1149 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1150 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1151 gtm_rwlock::write_unlock): Fix memory orders and fences.
1152 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1153 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1154 gtm_rwlock::write_unlock): Same.
1155 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1156 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1157 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1159 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1160 gl_wt_dispatch::load, gl_wt_dispatch::store,
1161 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1162 orders and fences. Add comments.
1164 2011-12-21 Jakub Jelinek <jakub@redhat.com>
1166 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1167 * Makefile.in: Regenerated.
1169 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
1171 * configure.tgt: Add sh* case.
1172 * config/sh/target.h: New file.
1173 * config/sh/sjlj.S: New file.
1174 * config/linux/sh/futex_bits.h: New file.
1176 2011-12-14 Richard Henderson <rth@redhat.com>
1178 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1179 * config/arm/sjlj.S, config/arm/target.h: New files.
1180 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1181 (cfi_rel_offset): New.
1182 * config/linux/futex_bits.h: New file.
1183 * config/linux/futex.cc: Include futex_bits.h here...
1184 * config/linux/futex.h: ... not here.
1185 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1186 * configure.ac (ARCH_AM): New conditional.
1187 * Makefile.in, configure: Rebuild.
1188 * configure.tgt: Handle ARM.
1190 2011-12-13 Richard Henderson <rth@redhat.com>
1192 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1193 signed/unsigned comparison werror.
1195 * local_atomic: New file.
1196 * libitm_i.h: Include it.
1197 (gtm_thread::shared_state): Use atomic template.
1198 * beginend.cc (GTM::gtm_clock): Use atomic template.
1199 (global_tid): Use atomic template if 64-bit atomics available.
1200 (gtm_thread::gtm_thread): Update shared_state access.
1201 (gtm_thread::trycommit): Likewise.
1202 (choose_code_path): Update global_tid access.
1203 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
1204 * stmlock.h (GTM::gtm_clock): Use atomic template.
1205 (gtm_get_clock, gtm_inc_clock): Update accesses.
1206 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1207 redundant __sync_synchronize after atomic shared_state access.
1208 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1209 (gtm_rwlock::write_lock_generic): Likewise.
1210 (gtm_rwlock::read_unlock): Likewise.
1211 * config/alpha/target.h (atomic_read_barrier): Remove.
1212 (atomic_write_barrier): Remove.
1213 * config/x86/target.h (atomic_read_barrier): Remove.
1214 (atomic_write_barrier): Remove.
1216 2011-11-30 Richard Henderson <rth@redhat.com>
1218 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1219 * beginend.c (_ITM_abortTransaction): Update to match.
1220 (GTM::gtm_thread::restart): Likewise.
1221 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1222 * config/x86/sjlj.S (GTM_longjmp): Likewise.
1224 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
1226 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1227 * Makefile.in: Regenerate.
1229 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1231 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1232 * alloc_cpp.cc: Generate dummy functions if we don't
1233 HAVE_ELF_STYLE_WEAKREF.
1234 * eh_cpp.cc: Likewise.
1235 * configure: Regenerate.
1236 * aclocal.m4: Likewise.
1237 * config.h.in: Likewise.
1238 * Makefile.in: Likewise.
1239 * testsuite/Makefile.in: Likewise.
1241 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1243 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1244 __USER_LABEL_PREFIX__ for targets that use it.
1245 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1246 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1247 in portability to non-elf targets.
1248 (GTM_longjmp): Likewise.
1249 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1252 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1254 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1255 * testsuite/libitm.c/memset-1.c: Likewise.
1257 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
1259 * configure: Regenerate.
1261 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1263 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1264 (LIBITM_ENABLE_SYMVERS): Handle sun style.
1265 * Makefile.am: Handle sun style versioning.
1266 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1267 * configure: Regenerate.
1268 * Makefile.in: Regenerate.
1270 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1272 * config/generic/asmcfi.h: Fix comment.
1273 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1274 sequence without .hidden support, error for non-ELF targets.
1275 (GTM_longjmp) [__ELF__]: Only use .hidden if
1276 HAVE_ATTRIBUTE_VISIBILITY.
1278 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1280 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1281 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1283 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1284 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1286 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
1289 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1290 * configure: Regenerate.
1292 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
1294 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1296 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1298 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1300 (.note.GNU-stack): Only use if __linux__.
1301 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1302 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1303 * testsuite/libitm.c/reentrant.c: Likewise.
1304 * testsuite/libitm.c/simple-2.c: Likewise.
1305 * testsuite/libitm.c/txrelease.c: Likewise.
1306 * testsuite/libitm.c++/static_ctor.C: Likewise.
1308 2011-11-10 Richard Henderson <rth@redhat.com>
1310 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
1311 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1312 * configure.ac (ARCH_X86_AVX): New conditional.
1313 * Makefile.in, configure: Rebuild.
1315 2011-11-09 Richard Henderson <rth@redhat.com>
1317 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1318 * configure.ac: Use it.
1319 * config.h.in, configure: Rebuild.
1320 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1322 2011-11-09 Richard Henderson <rth@redhat.com>
1324 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1325 * config/alpha/unaligned.h: Remove file.
1326 * config/generic/unaligned.h: Remove file.
1327 * config/x86/unaligned.h: Remove file.
1328 * config/generic/cachepage.h: Remove file.
1329 * config/posix/cachepage.cc: Remove file.
1330 * config/generic/cacheline.cc: Remove file.
1331 * config/x86/cacheline.cc: Remove file.
1332 * config/generic/cacheline.h (gtm_cacheline): Remove the
1333 store_mask, copy_mask, copy_mask_wb methods.
1334 * config/x86/cacheline.h: Likewise.
1335 * config/alpha/cacheline.h: Fall back to generic after setting size.
1336 * config/generic/tls.cc (gtm_mask_stack): Remove.
1337 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1338 (GTM_vpalignr_table): Remove.
1339 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1340 (GTM_pshift_table): Remove.
1341 * config/libitm_i.h: Don't include cachepage.h.
1342 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1343 * Makefile.in, testsuite/Makefile.in: Rebuild.
1345 2011-11-09 Richard Henderson <rth@redhat.com>
1347 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1348 to emit branch prediction hint.
1350 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1351 Protect .note.GNU-stack with __linux__.
1353 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1354 * configure, aclocal.m4, config.h.in: Rebuild.
1355 * config/generic/asmcfi.h: New file.
1356 * config/x86/sjlj.S: Use it.
1358 2011-11-08 Richard Henderson <rth@redhat.com>
1360 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1362 2011-11-08 Richard Henderson <rth@redhat.com>
1364 * configure.tgt: Test correct directory for supported cpus.
1366 * configure.ac: Exit if unsupported.
1367 * configure: Rebuild.
1368 * configure.tgt: Delete boilerplate from libgomp for unsupported
1369 targets. Set UNSUPPORTED for unsupported targets.
1371 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1373 * configure.tgt: Handle i386 like i[456]86.
1374 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1376 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1377 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1379 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
1381 * method-wbetl.cc: Update copyright notice.
1387 * barrier.tpl: Same.
1388 * useraction.cc: Same.
1392 * config/generic/tls.cc: Same.
1393 * config/generic/cacheline.h: Same.
1394 * config/generic/cachepage.h: Same.
1395 * config/generic/cacheline.cc: Same.
1396 * config/generic/unaligned.h: Same.
1397 * config/x86/cacheline.h: Same.
1398 * config/x86/cacheline.cc: Same.
1399 * config/x86/unaligned.h: Same.
1400 * config/alpha/cacheline.h: Same.
1401 * config/alpha/unaligned.h: Same.
1402 * config/alpha/sjlj.S: Same.
1403 * config/posix/cachepage.cc: Same.
1404 * config/linux/futex.h: Same.
1405 * config/linux/alpha/futex_bits.h: Same.
1407 2011-11-04 Torvald Riegel <triegel@redhat.com>
1409 * libitm.texi: No cover text and invariant sections.
1411 2011-11-03 Richard Henderson <rth@redhat.com>
1413 * local_type_traits: New file.
1414 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1416 2011-11-03 Richard Henderson <rth@redhat.com>
1418 * configure.ac: Don't test for gfortran.
1419 * configure: Rebuild.
1421 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1422 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1424 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1426 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1427 * testsuite/libitm.c/memset-1.c: Same.
1428 * testsuite/libitm.c/c.exp: Same.
1429 * testsuite/lib/libitm-dg.exp: Same.
1430 * testsuite/lib/libitm.exp: Same.
1431 * testsuite/libitm.c++/c++.exp: Same.
1433 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1435 * testsuite/config/default.exp: Update copyright date.
1436 * configure.ac: Add copyright info.
1437 * configure.tgt: Same.
1439 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1441 * testsuite/libitm.c/reentrant.c: XFAIL.
1442 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1444 2011-10-29 Torvald Riegel <triegel@redhat.com>
1446 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1448 (_ITM_abortTransaction): Handle aborts of outer transactions.
1450 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1451 * libitm.texi: Document aborts of outer transactions.
1452 * testsuite/libitm.c/cancel.c: New file.
1454 2011-10-19 Torvald Riegel <triegel@redhat.com>
1456 * testsuite/*: Change __transaction to __transaction_atomic or
1457 __transaction_relaxed.
1459 2011-10-19 Torvald Riegel <triegel@redhat.com>
1461 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1464 2011-10-19 Torvald Riegel <triegel@redhat.com>
1466 * libitm_i.h: Add gl_wt dispatch.
1467 * retry.cc (parse_default_method): Same.
1468 * method-gl.cc: New file.
1469 * Makefile.am: Use method-gl.cc.
1470 * Makefile.in: Rebuild.
1472 2011-10-19 Torvald Riegel <triegel@redhat.com>
1474 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1475 safety if requested by a TM method.
1476 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1477 privatization safety.
1478 * method-serial.cc: Same.
1480 2011-10-19 Torvald Riegel <triegel@redhat.com>
1482 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1483 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1484 undolog-related member functions from *_local to *_undolog.
1485 * local.cc (gtm_thread::commit_undolog): Same.
1486 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1487 (GTM::gtm_thread::rollback): Roll back undolog before
1488 dispatch-specific rollback.
1490 2011-10-19 Torvald Riegel <triegel@redhat.com>
1492 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1493 re-initialization of the current method group.
1494 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1496 2011-10-19 Torvald Riegel <triegel@redhat.com>
1498 * alloc.cc (commit_allocations_2): Do not free transaction-local
1499 memory when committing a nested transaction.
1501 2011-10-19 Torvald Riegel <triegel@redhat.com>
1503 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1504 serial-irrevocable dispatch, not serial.
1506 2011-10-19 Torvald Riegel <triegel@redhat.com>
1508 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1510 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1511 * method-serial.cc: Implement begin_or_restart().
1512 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1513 dispatch-specific begin_or_restart().
1514 (GTM::gtm_thread::restart): Same.
1516 2011-08-23 Torvald Riegel <triegel@redhat.com>
1518 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1519 restarting without switching to serial mode.
1520 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1521 transaction state. Choose closed-nesting alternative if available.
1522 (GTM::gtm_thread::set_default_dispatch): New.
1523 (parse_default_method): New.
1524 (GTM::gtm_thread::number_of_threads_changed): New.
1525 * method-serial.cc (GTM::serial_mg): New method group class.
1526 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1528 (GTM::serial_dispatch): Same.
1529 (GTM::serialirr_onwrite_dispatch): Same.
1530 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1531 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1533 (GTM::gtm_thread::gtm_thread): Same.
1534 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1535 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1536 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1537 choose dispatch but set state according to dispatch here.
1538 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1539 (GTM::method_group): New class.
1540 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1541 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1542 * libitm.texi: Document TM methods, method groups, method life cycle.
1543 Rename method sets to method groups.
1545 2011-08-23 Torvald Riegel <triegel@redhat.com>
1547 * config/x86/tls.h: Moved to ...
1548 * config/linux/x86/tls.h: ... here.
1550 2011-08-23 Torvald Riegel <triegel@redhat.com>
1552 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1554 * config/x86/sjlj.S: Same.
1556 2011-08-19 Torvald Riegel <triegel@redhat.com>
1558 * config/linux/rwlock.h: New file.
1559 * config/linux/rwlock.c: New file.
1560 * configure.ac: Reenable futex support (undo SVN rev 157758).
1561 * Makefile.am: Same.
1562 * configure.tgt: Same.
1563 * config/linux/alpha/futex_bits.h: Same.
1564 * config/linux/futex.h: Same. Return number of woken processes.
1565 * config/linux/futex.cc: Same.
1566 (futex_wait): Remove spinning.
1567 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1568 Use __x86_64__ instead of __LP64__.
1569 * aclocal.m4: Include generic futex checks.
1570 * configure: Rebuild.
1571 * Makefile.in: Rebuild.
1572 * testsuite/Makefile.in: Rebuild.
1573 * beginend.cc: Include pthread.h.
1574 * config/posix/cachepage.cc: Same.
1576 2011-08-12 Torvald Riegel <triegel@redhat.com>
1578 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1579 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1581 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1583 (GTM::gtm_thread::thread_num): Removed.
1584 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1585 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1586 tx-to-thread renaming.
1587 * beginend.cc: Adapted to tx-to-thread renaming.
1588 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1589 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1590 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1591 gtm_transaction to gtm_thread.
1592 (_ITM_getThreadnum): Removed. Not supported anymore.
1593 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1594 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1595 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1596 gtm_tx-to-gtm_thr renaming if necessary.
1603 * alloc_cpp.cc: Same.
1604 * method-serial.cc: Same.
1605 * config/generic/tls.cc: Same.
1606 * config/posix/rwlock.h (gtm_rwlock): Same.
1607 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1609 2011-08-12 Torvald Riegel <triegel@redhat.com>
1611 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1613 (gtm_rwlock::read_unlock): Same.
1614 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1615 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1616 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1617 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1618 w_upgrade. Replaced by per-transaction flags (in shared_state).
1619 Added c_confirmed_writers.
1620 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1621 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1622 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1623 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1624 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1625 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1626 * libitm.texi: Document locking conventions and implementations in
1629 2011-08-12 Torvald Riegel <triegel@redhat.com>
1631 * libitm_i.h (next_tx): Add list of all threads' transaction.
1632 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1633 transaction with list of transactions and ...
1634 (thread_exit_handler): ... deregister here.
1635 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1636 * config/x86/target.h: Same.
1638 2011-08-12 Torvald Riegel <triegel@redhat.com>
1640 * testsuite/libitm.c++/static_ctor.C: New file.
1642 2011-08-12 Torvald Riegel <triegel@redhat.com>
1644 * testsuite/libitm.c/reentrant.c: New file.
1646 2011-08-12 Torvald Riegel <triegel@redhat.com>
1648 * config/generic/tls.h: Remove the free list for transactions and ...
1649 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1650 (GTM::gtm_transaction::operator delete): ... and release here.
1651 (thread_exit_handler): New. Delete tx when thread terminates.
1652 (thread_exit_init): New.
1653 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1654 * testsuite/libitm.c/txrelease.c: New file.
1656 2011-08-12 Torvald Riegel <triegel@redhat.com>
1658 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1659 * testsuite/libitm.c/notx.c: New file.
1661 2011-08-12 Torvald Riegel <triegel@redhat.com>
1663 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1664 * libitm_i.h (local_tid): ... to here.
1665 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1666 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1668 2011-08-12 Torvald Riegel <triegel@redhat.com>
1670 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1671 serialirr_onwrite_dispatch as new default for now.
1672 * method-serial.cc (serialirr_onwrite_dispatch): New.
1673 (GTM::dispatch_serialirr_onwrite): New.
1676 2011-08-12 Torvald Riegel <triegel@redhat.com>
1678 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1679 * query.cc (_ITM_getTransactionId): There is no active transaction if
1680 the current nesting level is zero.
1682 2011-07-28 Torvald Riegel <triegel@redhat.com>
1684 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1687 2011-07-28 Torvald Riegel <triegel@redhat.com>
1689 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1690 transaction properties from the caller instead of from the
1693 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1695 2011-07-28 Torvald Riegel <triegel@redhat.com>
1697 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1698 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1700 * method-serial.cc: Same.
1701 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1702 flat nesting as default, and closed nesting on demand.
1703 (GTM::gtm_transaction::rollback): Same.
1704 (_ITM_abortTransaction): Same.
1705 (GTM::gtm_transaction::restart): Same.
1706 (GTM::gtm_transaction::trycommit): Same.
1707 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1708 (choose_code_path): New.
1709 (GTM::gtm_transaction_cp::save): New.
1710 (GTM::gtm_transaction_cp::commit): New.
1711 * query.cc (_ITM_inTransaction): Support flat nesting.
1712 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1713 (GTM::gtm_transaction): Support flat and closed nesting.
1714 * alloc.cc (commit_allocations_2): New.
1715 (commit_cb_data): New helper struct.
1716 (GTM::gtm_transaction::commit_allocations): Handle nested
1718 * libitm.texi: Update user action section, add description of nesting.
1720 2011-07-28 Torvald Riegel <triegel@redhat.com>
1722 * libitm_i.h: Add closed nesting as restart reason.
1723 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1725 2011-07-28 Torvald Riegel <triegel@redhat.com>
1727 * useraction.cc: Use vector instead of list to store actions.
1728 Also support partial rollbacks for closed nesting.
1729 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1730 * beginend.cc: Same.
1732 2011-07-28 Torvald Riegel <triegel@redhat.com>
1734 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1735 closed_nesting flags, as well as a closed nesting alternative.
1736 * method-serial.cc: Same.
1737 (serial_dispatch): Renamed to serialirr_dispatch.
1738 (GTM::dispatch_serialirr): Same.
1739 (serial_dispatch_ul): Renamed to serial_dispatch.
1740 (GTM::dispatch_serial): Same.
1742 2011-07-28 Torvald Riegel <triegel@redhat.com>
1744 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1746 2011-07-28 Torvald Riegel <triegel@redhat.com>
1748 * aatree.h (aa_tree::remove): New.
1749 (aa_tree::operator new): Add placement new.
1751 2011-07-02 Torvald Riegel <triegel@redhat.com>
1753 * containers.h: New file.
1754 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1755 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1756 * common.h: ... to here.
1757 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1760 2011-06-30 Torvald Riegel <triegel@redhat.com>
1762 * libitm_i.h (STATE_ABORTING): Remove.
1763 * beginend.cc (_ITM_abortTransaction): Same.
1764 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1765 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1766 (_ITM_rollbackTransaction): Remove.
1767 * beginend.cc: Same.
1769 * libitm.texi: Document these ABI changes.
1771 2011-06-30 Torvald Riegel <triegel@redhat.com>
1773 * libitm.texi: New file.
1774 * Makefile.am: Add libitm.texi.
1775 * Makefile.in: Rebuild.
1777 2011-06-30 Torvald Riegel <triegel@redhat.com>
1779 * libitm_i.h: Move parts to common.h and dispatch.h.
1780 * common.h: New file.
1781 * dispatch.h: New file, new dispatch class.
1782 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1783 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1784 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1785 decision to retry.cc.
1786 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1788 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1789 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1791 * barrier.cc: Use new barriers definitions.
1792 (abi_dispatch::memmove_overlap_check): New.
1793 * config/x86/x86_sse.cc: Same.
1794 * config/x86/x86_avx.cc: Same.
1795 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1797 * Makefile.in: Rebuild.
1798 * method-readonly.cc: Remove.
1799 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1800 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1802 2011-06-30 Torvald Riegel <triegel@redhat.com>
1804 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1805 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1806 * testsuite/libitm.c/dropref-2.c: Same.
1807 * testsuite/libitm.c/dropref.c: Same.
1809 2011-06-30 Torvald Riegel <triegel@redhat.com>
1811 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1812 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1813 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1815 * barrier.tpl: Same.
1817 * config/generic/tls.h: Same.
1818 * config/x86/tls.h: Same.
1822 * method-readonly.cc: Same.
1823 * method-serial.cc: Same.
1824 * method-wbetl.cc: Same.
1827 2011-03-03 Richard Henderson <rth@redhat.com>
1829 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1830 From Patrik Marlier <patrick.marlier@unine.ch>.
1832 2011-02-03 Richard Henderson <rth@redhat.com>
1834 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1835 * configure.ac: Use it.
1836 * configure, config.h.in: Rebuild.
1837 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1838 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1839 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1840 * libitm.map: Use wildcards to match size_t mangling.
1842 2010-12-14 Richard Henderson <rth@redhat.com>
1844 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1845 blocks of TIDs per thread.
1846 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1847 (setup_gtm_thr): Return the thread structure.
1848 * config/x86/tls.h (setup_gtm_thr): Likewise.
1850 2010-12-14 Richard Henderson <rth@redhat.com>
1852 * clone.cc (table_lock): Remove.
1853 (find_clone): Don't take it.
1854 (ExcludeTransaction): New helper class.
1855 (_ITM_registerTMCloneTable): Use it.
1856 (_ITM_deregisterTMCloneTable): Likewise.
1858 2010-12-14 Richard Henderson <rth@redhat.com>
1860 * config/x86/tls.h: New file.
1862 2010-07-15 Richard Henderson <rth@redhat.com>
1864 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1865 * Makefile.in: Rebuild.
1867 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1869 * method-wbetl.cc (trydropreference): Fix source line.
1871 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1873 * libitm.h: Add comment.
1874 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1876 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1878 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1879 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1880 available, use pthread mutexes.
1881 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1882 * config.h.in: Regenerate.
1883 * configure: Regenerate.
1885 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1887 * libitm.h (ITM_PURE): Define.
1888 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1890 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1892 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1893 (validate): Add comment.
1894 (trydropreference): New.
1895 * method-readonly.cc (class readonly_dispatch): Add
1897 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1898 Call trydropreference().
1899 * libitm.h (_ITM_dropReferences): Remove const attribute.
1900 * method-serial.cc (class serial_dispatch): Add trydropreference.
1901 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1903 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1905 * memcpy.cc (do_memcpy): Comment.
1907 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1909 * barrier.tpl: Add comments throughout.
1911 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1913 * method-wbetl.cc (struct w_entry): Add comments.
1917 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1919 * alloc_c.cc (_ITM_dropReferences): New.
1920 * libitm.map (_ITM_dropReferences): Add.
1921 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1922 * libitm_i.h (struct gtm_transaction): Declare
1923 drop_references_allocations and drop_references_local.
1924 * local.cc (rollback_local): Ignore memory when applicable.
1925 (drop_references_local): New.
1927 2010-06-23 Richard Henderson <rth@redhat.com>
1929 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1930 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1931 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1932 * config/alpha/target.h: Likewise.
1933 * config/generic/tls.cc (gtm_mask_stack): Use it.
1935 2010-06-23 Richard Henderson <rth@redhat.com>
1937 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1938 a mutex instead of trying a lock-free compare-and-swap on the list.
1939 (gtm_cacheline_page::operator delete): Likewise.
1941 2010-06-16 Richard Henderson <rth@redhat.com>
1943 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1944 that overlap the libitm stack.
1945 * barrier.tpl: Mark incoming stack.
1946 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1947 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1948 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1949 * memcpy.cc, memset.cc: Likewise.
1950 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1951 * config/generic/tls.h (gtm_thread): Add stack_top member.
1952 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1953 * libitm_i.h (gtm_mask_stack): Declare.
1954 * config/generic/tls.cc: New file.
1955 * Makefile.am (libitm_la_SOURCES): Add it.
1956 (AM_CXXFLAGS): Turn off exceptions.
1957 * Makefile.in: Rebuild.
1959 2010-06-16 Richard Henderson <rth@redhat.com>
1961 * alloc.cc (struct gtm_alloc_action): Move definition ...
1962 * libitm_i.h: ... here.
1963 (class gtm_transaction): Declare new and delete.
1964 * beginend.cc (alloc_tx): Reformulate as operator new.
1965 (free_tx): Reformulate as operator delete.
1966 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1968 2010-06-11 Richard Henderson <rth@redhat.com>
1970 * clone.cc (clone_entry_compare): Fix typo.
1971 From Patrik Marlier <patrick.marlier@unine.ch>.
1973 2010-05-13 Richard Henderson <rth@redhat.com>
1975 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1978 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1980 * libitm_i.h (struct gtm_transaction): Remove
1981 get_allocation_size.
1982 (record_allocation): Remove size parameter.
1983 * libitm.map (_ITM_realloc): Remove.
1984 * alloc_c.cc (_ITM_realloc): Remove.
1985 (_ITM_malloc): Remove size argument to record_allocation.
1986 (_ITM_calloc): Same.
1987 * alloc_cpp.cc (_ZGTtnwm): Same.
1988 (_ZGTtnwmRKSt9nothrow_t): Same.
1990 (_ZGTtnamRKSt9nothrow_t): Same.
1991 * alloc.cc (struct gtm_alloc_action): Remove size.
1992 (get_allocation_size): Remove.
1993 (commit_allocations): Add comment.
1994 (record_allocation): Remove size parameter.
1995 (forget_allocation): Remove set of size.
1997 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1999 * Makefile.am (abi_version): New.
2000 (AM_CXXFLAGS): Pass abi_version.
2001 * Makefile.in: Regenerate.
2002 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2004 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
2006 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2007 _ITM_getTMCloneOrIrrevokable.
2008 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2009 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2011 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
2013 * configure.ac: Remove Linux futex support.
2014 * configure.tgt (config_path): Same.
2015 * Makefile.am: Same.
2016 * config/linux: Remove entire directory.
2017 * configure: Rebuild.
2018 * Makefile.in: Rebuild.
2019 * testsuite/Makefile.in: Rebuild.
2021 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
2023 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2024 switching to serial mode.
2025 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2027 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
2029 * configure.tgt: Add emacs -*- tags.
2030 * barrier.tpl: Same.
2032 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
2034 * Makefile.am: Rename serial.cc to method-serial.cc.
2035 * Makefile.in: Regenerate with automake 1.11.1.
2036 * testsuite/Makefile.in: Same.
2037 * aclocal.m4: Regenerate with aclocal 1.11.1.
2038 * method-serial.cc: Rename from serial.cc.
2039 * libitm_i.h (struct gtm_transaction): Update comment on
2042 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
2044 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2045 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2047 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
2049 * configure: Rebuild.
2051 2009-11-12 Richard Henderson <rth@redhat.com>
2053 * Rewrite everything in C++.
2055 2009-11-03 Richard Henderson <rth@redhat.com>
2057 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2058 * Makefile.am (libitm_la_SOURCES): Add them.
2059 * configure.ac (ARCH_X86): New conditional.
2060 * Makefile.in, configure: Rebuild.
2061 * configure.tgt: Set up ARCH; do cflags setup at the same time.
2062 Move futex setup into "other system configury" case.
2063 * local.c (rollback_local): Merge into ...
2064 (GTM_rollback_local): ... here.
2065 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2066 (_ITM_LB): Define as an alias to GTM_LB.
2068 2009-11-03 Richard Henderson <rth@redhat.com>
2070 * method-readonly.c: New file.
2071 * Makefile.am (libitm_la_SOURCES): Add it.
2072 * Makefile.in: Rebuild.
2073 * beginend.c (gtm_stmlock_array, gtm_clock): New.
2074 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2075 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2076 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2077 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2078 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2079 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2080 gtm_get_clock, gtm_inc_clock): New.
2081 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2082 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2083 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2084 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2085 replace uses with new libitm_i.h symbols.
2086 (dispatch_wbetl): Rename from wbetl_dispatch.
2087 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2088 away from dispatch_readonly; abort if the beginTransaction call
2089 asserted that the transaction was readonly.
2091 2009-11-03 Richard Henderson <rth@redhat.com>
2093 * memset.c: New file.
2094 * Makefile.am (libitm_la_SOURCES): Add it.
2095 * Makefile.in: Rebuild.
2096 * testsuite/libitm.c/memset-1.c: New.
2098 2009-11-03 Richard Henderson <rth@redhat.com>
2100 * dispatch.c: Remove file.
2101 * useraction.c (struct gtm_user_action): Move from libitm.h.
2102 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2103 (serial_memset, serial_memmove, serial_memcpy): Remove.
2104 (serial_W*, serial_R*): Remove.
2105 (serial_dispatch): Update to match.
2106 * configure.ac: Move Werror down below configure checks. Don't
2107 check for sys/loadavg.h, do check for malloc.h. Don't check for
2108 getloadavg and clock_gettime; do check for memalign, posix_memalign.
2109 Use GCC_AC_FUNC_MMAP_BLACKLIST
2110 * libitm.h: Split out all internal items to...
2111 * libitm_i.h: ... here. New file.
2112 * copymask.c: New file.
2113 * local.c (struct gtm_local_undo): Move from libitm.h.
2114 (GTM_alloc_local): Rename from alloc_local; export.
2115 * memcpy.c: New file.
2116 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2117 * config/posix/page.c: New file.
2118 * config/posix/target_tls.h: Remove file.
2119 * barrier.c: New file.
2120 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2122 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2123 * method-wbetl.c: Rewrite for new cacheline methods.
2124 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2126 * config/alpha/sjlj.S: Fix typo.
2127 * config/alpha/target_i.h: Copy functions from alpha/target.h.
2128 * config/alpha/copymask.c: New file.
2129 * config/alpha/target.h (CACHELINE_SIZE): New.
2130 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2132 * config/x86/target_i.h: Copy functions from x86/target.h.
2133 * config/x86/copymask.c: New file.
2134 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2135 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2136 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2137 * config/x86/target_tls.h: Move contents to target_i.h.
2139 * testsuite/libitm.c/clone-1.c: Include libitm.h.
2140 * testsuite/libitm.c/memcpy-1.c: New.
2142 2009-10-22 Richard Henderson <rth@redhat.com>
2144 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2145 (AM_CCASFLAGS): New.
2146 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
2147 saving/restoring _AC_ARG_VAR_PRECIOUS.
2148 * Makefile.in, aclocal.m4, config.h.in, configure,
2149 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2151 2009-10-22 Richard Henderson <rth@redhat.com>
2153 * testsuite/*: Update for new compiler syntax.
2155 2009-10-21 Richard Henderson <rth@redhat.com>
2157 * libitm.h (_ITM_abortReason): Add outerAbort.
2159 2009-08-03 Richard Henderson <rth@redhat.com>
2161 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2162 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2163 * method-wbetl.c (struct w_entry): Remove mask.
2164 (wbetl_write, wbetl_load): Return pointer to word containing the data;
2167 2009-07-22 Richard Henderson <rth@redhat.com>
2169 * eh_cpp.c: New file.
2170 * Makefile.am (libitm_la_SOURCES): Add it.
2171 * Makefile.in: Rebuild.
2172 * beginend.c (GTM_rollback_transaction): Undo exception state.
2173 (GTM_trycommit_transaction): Mark inline.
2174 (GTM_trycommit_and_finalize_transaction): Split out from ...
2175 (_ITM_commitTransaction): ... here.
2176 (_ITM_commitTransactionEH): New function.
2177 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2178 cxa_unthrown, eh_in_flight; reorder.
2180 * testsuite/libitm.c++/c++.exp: New.
2181 * testsuite/libitm.c++/eh-1.C: New.
2183 * aatree.c (aa_free): Remove REGPARM.
2184 * aatree.h: Remove all REGPARM.
2186 2009-07-18 Richard Henderson <rth@redhat.com>
2188 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2189 * Makefile.am (libitm_la_SOURCES): Add them.
2190 * Makefile.in: Rebuild.
2191 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2192 (GTM_trycommit_transaction): Likewise.
2193 * libitm.h: Include aatree.h
2194 (struct gtm_alloc_action): New.
2195 (struct gtm_transaction): Add alloc_actions.
2196 (GTM_record_allocation, GTM_forget_allocation): Declare.
2197 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2198 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2199 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2200 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2201 _ZGTtdaPvRKSt9nothrow_t): Export.
2203 2009-07-18 Richard Henderson <rth@redhat.com>
2205 * target_tls.h: Move ...
2206 * config/posix/target_tls.h: ... here.
2208 2009-07-07 Richard Henderson <rth@redhat.com>
2210 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2212 2009-07-07 Richard Henderson <rth@redhat.com>
2216 2009-07-07 Richard Henderson <rth@redhat.com>
2218 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2219 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2221 * configure.tgt: Don't use -ftls-model for x86 linux.
2222 * libitm.h: Include target.h after standard includes.
2223 (_gtm_thr): Rename from gtm_thr.
2224 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2225 (gtm_disp, set_gtm_disp): New.
2226 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2227 retry.c, serial.c, useraction.c: Use accessor functions throughout.
2228 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2230 2009-07-07 Richard Henderson <rth@redhat.com>
2232 * config/linux/rwlock.c (EZ): New define. Use it throughout.
2234 2009-07-06 Richard Henderson <rth@redhat.com>
2236 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2237 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2238 (_ITM_beginTransaction): Take variadic arguments.
2239 (_ITM_registerThrownObject): Declare.
2240 * beginend.c, serial.c: Update.
2241 * libitm.map: Add _ITM_registerThrownObject.
2243 2009-01-28 Richard Henderson <rth@redhat.com>
2245 * Makefile.am (libitm_la_SOURCES): Add clone.c.
2246 * Makefile.in: Rebuild.
2247 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2248 (GTM_restart_transaction): Fix uninstrumented code check.
2249 * retry.c (GTM_decide_retry_strategy): Add serial check.
2250 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
2251 automatically go irrevokable when in serial mode.
2252 * clone.c: New file.
2253 * libitm.h, libitm.map: Update.
2255 2009-01-27 Richard Henderson <rth@redhat.com>
2257 * Makefile.am (LTCCASCOMPILE): Define.
2258 (libitm_la_SOURCES): Add methid-wbetl.c.
2259 * testsuite/Makefile.am: New
2260 * configure.ac: Add testsuite/Makefile.
2261 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2262 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2263 (_ITM_abortTransaction): Finalize implementation method; pass
2264 transaction properties to longjmp.
2265 (GTM_restart_transaction): Split out from ...
2266 (_ITM_commitTransaction): ... here.
2267 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2268 Move to config/x86/target.h.
2269 * config/linux/alpha/futex_bits.h: New.
2270 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2271 * config/x86/target.h: Disable target types for 32-bit.
2272 * config/alpha/sjlj.S, config/alpha/target.h: New.
2273 * libitm.h (struct gtm_dispatch): Add init, fini.
2274 (enum restart_reason): New.
2275 (struct gtm_transaction): Add method and restarts.
2276 * retry.c (GTM_decide_retry_strategy): Implement.
2277 * serial.c (serial_init, serial_fini): New.
2278 (GTM_serialmode): Finialize outgoing method.
2279 * method-wbetl.c: New.
2281 2008-12-09 Richard Henderson <rth@redhat.com>
2283 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2284 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2285 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2286 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2287 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2288 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2289 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2290 * serial.c (serial_R##T, serial_W##T): Likewise.
2292 2008-11-21 Richard Henderson <rth@redhat.com>
2296 Copyright (C) 2008-2021 Free Software Foundation, Inc.
2298 Copying and distribution of this file, with or without modification,
2299 are permitted in any medium without royalty provided the copyright
2300 notice and this notice are preserved.