1 2020-10-01 Alan Modra <amodra@gmail.com>
3 * config/powerpc/sjlj.S: Support __PCREL__ code.
5 2020-07-24 Szabolcs Nagy <szabolcs.nagy@arm.com>
7 * config/aarch64/sjlj.S: Add conditional pac-ret protection.
9 2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
11 * config/aarch64/sjlj.S: Add BTI marking and related definitions,
12 and add BTI c to function entries.
14 2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
16 * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
18 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
21 * configure: Regenerated.
23 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
26 * configure: Regenerated.
28 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
30 * configure: Regenerated.
32 2020-05-12 Nathan Sidwell <nathan@acm.org>
34 Fix throw specifiers on interface.
35 * libitm/libitm.h (_ITM_NOTHROW): Define.
36 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
37 (_ITM_cxa_begin_catch): Use it.
38 * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
39 __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
41 (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
42 (_ITM_cxa_begin_catch): Likewise.
44 2020-05-05 Nathan Sidwell <nathan@acm.org>
46 * testsuite/lib/libitm.exp (libitm_init): Add
47 -fdiagnostics-color=never to options.
49 2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
54 * configure: Regenerated.
56 2020-01-24 Maciej W. Rozycki <macro@wdc.com>
58 * configure.ac: Handle `--with-toolexeclibdir='.
59 * Makefile.in: Regenerate.
60 * aclocal.m4: Regenerate.
61 * configure: Regenerate.
62 * testsuite/Makefile.in: Regenerate.
64 2020-01-01 Jakub Jelinek <jakub@redhat.com>
66 Update copyright years.
68 * libitm.texi: Bump @copying's copyright year.
70 2019-12-03 Szabolcs Nagy <szabolcs.nagy@arm.com>
73 * configure.tgt: Avoid IE tls on *-*-musl*.
75 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
77 * configure: Regenerate.
79 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
81 * config/arm/sjlj.S (ldaddr): Add FDPIC support.
83 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
85 * configure.tgt: Handle *-*-uclinux*.
86 * configure: Regenerate.
88 2019-09-06 Florian Weimer <fweimer@redhat.com>
90 * configure: Regenerate.
92 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
95 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
96 scanning to conform to the GNU Coding Standards.
97 * configure: Regenerate.
99 2019-05-03 Jakub Jelinek <jakub@redhat.com>
101 * Makefile.am (finclude): Remove.
102 * Makefile.in: Regenerated.
104 2019-01-01 Jakub Jelinek <jakub@redhat.com>
106 Update copyright years.
108 2019-01-01 Jakub Jelinek <jakub@redhat.com>
110 * libitm.texi: Bump @copying's copyright year.
112 2018-12-16 Jakub Jelinek <jakub@redhat.com>
115 * eh_cpp.cc (__cxa_throw): Change DEST argument type from
116 void * to void (*) (void *).
117 (_ITM_cxa_throw): Likewise.
118 * libitm.h (_ITM_cxa_throw): Likewise.
119 * libitm.texi (_ITM_cxa_throw): Likewise.
121 2018-12-13 Peter Bergner <bergner@linux.ibm.com>
123 * config/powerpc/target.h (htm_available): Add support for
124 PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available.
126 2018-10-31 Joseph Myers <joseph@codesourcery.com>
129 * Makefile.am: Include multilib.am.
130 (AUTOMAKE_OPTIONS): Add info-in-builddir.
131 (CLEANFILES): Remove libitm.info.
132 * configure.ac: Remove AC_PREREQ.
133 * testsuite/Makefile.am (RUNTEST): Remove quotes.
134 * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
137 2018-10-30 Nicholas Krause <xerofoify@gmail.com>
140 * method-serial.cc: Mark varible as potentially unused
143 2018-08-03 Sergei Trofimovich <slyfox@gentoo.org>
145 * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
146 absolute relocation in a shared library.
148 2018-06-12 H.J. Lu <hongjiu.lu@intel.com>
151 * config/linux/x86/tls.h (SEG_READ): Use the offset of
152 __private_tm as base.
153 (SEG_WRITE): Likewise.
154 (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
155 (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
156 (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
157 (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
158 (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
160 2018-05-17 Jason Merrill <jason@redhat.com>
162 * beginend.cc (save): Disable -Werror=deprecated-copy.
164 2018-05-02 Tom de Vries <tom@codesourcery.com>
167 * testsuite/lib/libitm.exp: Include scanltranstree.exp.
169 2018-05-02 Tom de Vries <tom@codesourcery.com>
172 * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
174 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
176 * config/x86/sjlj.S (_ITM_beginTransaction): Add
177 (__CET__ & 2) != 0 check for shadow stack.
178 (GTM_longjmp): Likewise.
180 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
182 * configure: Regenerated.
184 2018-04-23 H.J. Lu <hongjiu.lu@intel.com>
187 * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
189 2018-04-19 Jakub Jelinek <jakub@redhat.com>
191 * configure: Regenerated.
193 2018-04-18 David Malcolm <dmalcolm@redhat.com>
196 * configure: Regenerate.
198 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
201 * configure: Regenerate.
203 2018-01-03 Jakub Jelinek <jakub@redhat.com>
205 Update copyright years.
207 * libitm.texi: Bump @copying's copyright year.
209 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
211 * Makefile.in: Regenerate.
212 * acinclude.m4: Add enable.m4 and cet.m4.
213 * config/x86/sjlj.S: Include cet.h.
214 (_ITM_beginTransaction): Add _CET_ENDBR.
215 Save Shadow Stack pointer.
216 (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
217 * config/x86/target.h (struct gtm_jmpbuf):
218 Add new field for Shadow Stack pointer.
219 * configure: Regenerate.
220 * configure.ac: Set CET_FLAGS. Update XCFLAGS.
221 * configure.ac: Update libtool_VERSION for x86.
222 * testsuite/Makefile.in: Regenerate.
224 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
226 * libitm/config/x86/target.h: Add new field (ssp).
227 * libitm/config/x86/sjlj.S: Change offsets.
229 2017-05-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
231 * testsuite/lib/libitm.exp: Load scanlang.exp.
233 2017-04-03 Jonathan Wakely <jwakely@redhat.com>
235 * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
237 2017-01-21 Jakub Jelinek <jakub@redhat.com>
240 * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
241 of cat to get version from BASE-VER file.
242 * testsuite/Makefile.in: Regenerated.
244 2017-01-19 Uros Bizjak <ubizjak@gmail.com>
246 * config/x86/target.h (htm_available): Determine vendor from
247 __get_cpuid_max return. Use signature_INTEL_ebx. Cleanup.
249 2017-01-18 Torvald Riegel <triegel@redhat.com>
251 * config/x86/target.h (htm_available): Add check for some processors
252 on which TSX is broken.
254 2017-01-17 Jakub Jelinek <jakub@redhat.com>
257 * configure.ac: Add GCC_BASE_VER.
258 * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
259 get version from BASE-VER file.
260 * testsuite/Makefile.in: Regenerated.
261 * configure: Regenerated.
262 * Makefile.in: Regenerated.
264 2017-01-04 Alan Modra <amodra@gmail.com>
266 * Makefile.in: Regenerate.
267 * testsuite/Makefile.in: Regenerate.
269 2017-01-01 Jakub Jelinek <jakub@redhat.com>
271 Update copyright years.
273 * libitm.texi: Bump @copying's copyright year.
275 2016-12-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
277 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
278 * aclocal.m4: Regenerate.
279 * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
280 LIBITM_CHECK_LINKER_HWCAP.
282 2016-11-15 Matthias Klose <doko@ubuntu.com>
284 * configure: Regenerate.
286 2016-04-19 H.J. Lu <hongjiu.lu@intel.com>
289 * util.cc (xmalloc): Use posix_memalign to allocate memory on
290 on cache line if requested.
292 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
294 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
295 function attribute to disable floating point in begin_transaction() on
297 * beginend.cc (begin_transaction): Use
298 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
300 2016-01-22 Torvald Riegel <triegel@redhat.com>
302 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
304 (htm_fastpath): Remove.
305 (gtm_thread::begin_transaction): Fix HTM fastpath.
306 (_ITM_commitTransaction): Adapt.
307 (_ITM_commitTransactionEH): Adapt.
308 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
310 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
311 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
312 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
313 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
314 * libitm/method-serial.cc (htm_mg): Adapt.
315 (gtm_thread::serialirr_mode): Adapt.
316 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
318 2016-01-21 Torvald Riegel <triegel@redhat.com>
320 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
323 2016-01-19 Richard Henderson <rth@redhat.com>
328 2016-01-13 Richard Henderson <rth@redhat.com>
330 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
331 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
332 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
333 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
334 * configure.ac (ARCH_AARCH64): New conditional.
335 (ARCH_PPC, ARCH_S390): Likewise.
336 * Makefile.in, configure: Rebuild.
338 * libitm.h (_ITM_TYPE_M128): Always define.
339 * vect64.cc: Split ...
340 * vect128.cc: ... out of...
341 * config/x86/x86_sse.cc: ... here.
342 * config/arm/neon.cc: New file.
344 2016-01-19 Torvald Riegel <triegel@redhat.com>
346 * local_type_traits: Remove file.
347 * libitm_i.h: Don't include it anymore.
348 (sized_integral): Remove.
350 2016-01-16 Torvald Riegel <triegel@redhat.com>
352 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
354 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
355 * libitm/testsuite/libitm.c/priv-1.c: New.
357 2015-01-15 Torvald Riegel <triegel@redhat.com>
359 testsuite/libitm.c++/libstdc++-safeexc.C: New.
361 2016-01-13 Torvald Riegel <triegel@redhat.com>
363 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
364 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
365 (gtm_rwlock::write_unlock): Likewise.
367 2016-01-13 Richard Henderson <rth@redhat.com>
369 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
370 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
371 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
372 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
373 * configure.ac (ARCH_AARCH64): New conditional.
374 (ARCH_PPC, ARCH_S390): Likewise.
375 * Makefile.in, configure: Rebuild.
377 * libitm.h (_ITM_TYPE_M128): Always define.
378 * vect64.cc: Split ...
379 * vect128.cc: ... out of...
380 * config/x86/x86_sse.cc: ... here.
381 * config/arm/neon.cc: New file.
383 2016-01-13 Torvald Riegel <triegel@redhat.com>
385 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
386 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
387 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
388 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
389 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
390 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
391 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
392 (serialirr_dispatch::snapshot_most_recent): New.
393 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
395 2016-01-12 Torvald Riegel <triegel@redhat.com>
397 * libitm_i.h (gtm_mask_stack): Remove.
398 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
399 * stmlock.h: Remove file.
400 * config/alpha/cacheline.h: Likewise.
401 * config/generic/cacheline.h: Likewise.
402 * config/powerpc/cacheline.h: Likewise.
403 * config/sparc/cacheline.h: Likewise.
404 * config/x86/cacheline.h: Likewise.
406 2016-01-04 Jakub Jelinek <jakub@redhat.com>
408 Update copyright years.
410 * libitm.texi: Bump @copying's copyright year.
412 2015-11-26 Torvald Riegel <triegel@redhat.com>
414 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
415 (ml_wt_dispatch::pre_write): Adapt.
416 (ml_wt_dispatch::pre_load): Likewise.
418 2015-11-22 Torvald Riegel <triegel@redhat.com>
420 * libitm_i.h (gtm_alloc_action): Remove union.
421 * testsuite/libitm.c/alloc-1.c: New.
423 2015-11-19 Torvald Riegel <triegel@redhat.com>
425 * testsuite/libitm.c++/eh-5.C: New.
426 * libitm.h (_ITM_cxa_free_exception): New.
427 * libitm.map (_ITM_cxa_free_exception): Add it.
428 * libitm.texi: Update ABI docs.
429 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
430 (gtm_transaction_cp::cxa_uncaught_count): Add.
431 (gtm_thread::cxa_unthrown): Remove.
432 (gtm_thread::cxa_uncaught_count_ptr): Add.
433 (gtm_thread::cxa_uncaught_count): Add.
434 (gtm_thread::drop_references_allocations): Rename to...
435 (gtm_thread::discard_allocation): ... this and adapt.
436 (gtm_thread::init_cpp_exceptions): New.
437 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
438 (gtm_thread::begin_transaction): Likewise.
439 (gtm_transaction_cp::save): Likewise.
440 (gtm_thread::trycommit): Likewise.
441 * eh_cpp.cc: Add overview comments.
442 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
443 (free_any_exception, _ITM_cxa_free_exception): New.
444 (gtm_thread::init_cpp_exceptions): Define.
445 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
446 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
447 (gtm_thread::revert_cpp_exceptions): Likewise.
449 2015-11-09 Torvald Riegel <triegel@redhat.com>
451 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
452 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
453 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
454 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
455 (gtm_thread::forget_allocations): New overload with size_t argument.
456 * alloc.c (gtm_thread::forget_allocation): Define new overload and
458 (gtm_thread::record_allocation): Adapt.
459 (gtm_thread::commit_allocations_1): Adapt.
460 (gtm_thread::commit_allocations_2): Adapt.
461 * testsuite/libitm.c++/newdelete.C: New.
463 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
464 Joseph Myers <joseph@codesourcery.com>
465 Mark Shinwell <shinwell@codesourcery.com>
466 Andrew Stubbs <ams@codesourcery.com>
467 Rich Felker <dalias@libc.org>
469 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
470 GTM_begin_transaction for compatibility with FDPIC.
472 2015-10-09 David Malcolm <dmalcolm@redhat.com>
474 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
477 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
480 * local_atomic (__always_inline): Rename to...
481 (__libitm_always_inline): ... this.
483 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
486 * config/powerpc/sjlj.S: Port to Xcode 2.5.
488 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
490 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
491 operands "op" and "val" to int.
493 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
495 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
496 "op" and "val" to int.
498 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
500 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
501 "op" and "val" to int.
503 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
505 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
506 Declare as static int.
507 (FUTEX_PRIVATE_FLAG): Remove L suffix.
508 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
510 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
512 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
515 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
517 * Makefile.in: Regenerated with automake-1.11.6.
518 * aclocal.m4: Likewise.
519 * configure: Likewise.
520 * testsuite/Makefile.in: Likewise.
522 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
524 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
525 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
527 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
530 * libitm.c/stackundo.c (test2): Make it static.
533 2015-01-05 Jakub Jelinek <jakub@redhat.com>
535 Update copyright years.
537 2015-01-05 Jakub Jelinek <jakub@redhat.com>
539 * libitm.texi: Bump @copying's copyright year.
541 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
543 * testsuite/lib/libitm.exp: Load target-utils.exp.
544 Move load of target-supports.exp earlier.
546 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
548 * configure.tgt (x86_64): Tune -m32 multilib to generic.
550 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
553 * configure: Regenerated.
555 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
558 * configure: Regenerate.
560 2014-10-06 Marek Polacek <polacek@redhat.com>
562 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
563 * testsuite/libitm.c/memset-1.c: Likewise.
565 2014-07-24 Richard Henderson <rth@redhat.com>
567 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
568 addressing mode in epilogue.
570 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
572 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
573 -mclear-hwcap instead.
574 * configure: Regenerate.
575 * clearcap.map: Remove.
577 2014-05-21 John Marino <gnugcc@marino.st>
579 * configure.tgt (*-*-dragonfly*): New target.
581 2014-05-19 Richard Henderson <rth@redhat.com>
583 * config/aarch64/sjlj.S: New file.
584 * config/aarch64/target.h: New file.
585 * configure.tgt: Enable aarch64.
587 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
589 * config/generic/asmcfi.h: Also check for
590 __GCC_HAVE_DWARF2_CFI_ASM.
592 2013-04-02 Richard Henderson <rth@redhat.com>
594 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
595 * config/arm/target.h, config/sh/target.h: Likewise.
596 * config/sparc/target.h, config/x86/target.h: Likewise.
598 2014-03-26 Jakub Jelinek <jakub@redhat.com>
600 * config/linux/futex_bits.h: Include errno.h.
601 (sys_futex0): If syscall returns -1, return -errno rather than
604 2014-03-26 Joseph Myers <joseph@codesourcery.com>
606 * libitm.texi (Index): Rename to Library Index.
608 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
611 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
612 (x86_avx.lo): Append -mavx to CXXFLAGS.
613 * Makefile.in: Regenerate.
615 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
617 Update copyright years
619 2014-01-02 Tobias Burnus <burnus@net-b.de>
621 * libitm.texi: Bump @copying's copyright year.
623 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
625 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
626 (FUNC): Define ELFv2 variant.
633 2013-09-20 Alan Modra <amodra@gmail.com>
635 * configure: Regenerate.
637 2013-08-30 Torvald Riegel <triegel@redhat.com>
639 * config/posix/rwlock.cc: Fix initialization order.
641 2013-08-30 Torvald Riegel <triegel@redhat.com>
643 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
644 (htm_fastpath): Assign an asm name.
645 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
647 (_ITM_actions): Likewise.
648 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
650 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
651 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
652 field to the start of the structure.
653 * config/linux/rwlock.h (gtm_rwlock): Update comments.
654 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
655 handling for custom HTM fast paths.
657 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
659 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
661 * configure.tgt: Add -msoft-float to XCFLAGS.
663 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
665 * configure.tgt: Add -msoft-float to XCFLAGS.
667 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
669 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
670 (htm_transaction_active): Enable zEC12 instructions in the
672 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
674 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
676 * acinclude.m4: Add htm asm check for s390.
677 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
678 * configure: Regenerate.
679 * config/s390/target.h: Remove __HTM__ check.
680 (htm_available): Call getauxval to get hwcaps and check whether
681 HTM is available or not.
683 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
685 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
686 * configure.ac: Use it.
687 (AC_CHECK_HEADERS): Check for sys/auxv.h.
688 (AC_CHECK_FUNCS): Check for getauxval.
689 * config.h.in, configure: Rebuild.
690 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
691 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
692 (USE_HTM_FASTPATH): Define.
693 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
694 _HTM_RETRIES) New macros.
695 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
696 htm_begin_success, htm_commit, htm_transaction_active): New functions.
698 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
700 * config/s390/target.h: Include htmintrin.h.
701 (_HTM_ITM_RETRIES): New macro definition.
702 (htm_available, htm_init, htm_begin, htm_begin_success)
703 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
705 2013-06-20 Iain Sandoe <iain@codesourcery.com>
706 Cesar Philippidis <cesar@codesourcery.com>
708 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
709 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
710 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
711 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
713 2013-06-20 Torvald Riegel <triegel@redhat.com>
715 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
716 (_ITM_getTransactionId): Same.
717 * config/x86/target.h (htm_transaction_active): New.
719 2013-06-20 Torvald Riegel <triegel@redhat.com>
722 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
725 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
728 * local_atomic (__always_inline): Always define our version.
729 (__calculate_memory_order): Mark inline.
730 (atomic_thread_fence): Ditto.
731 (atomic_signal_fence): Ditto.
732 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
733 (atomic_bool::atomic_flag_clear_explicit): Ditto.
734 (atomic_bool::atomic_flag_test_and_set): Ditto.
735 (atomic_bool::atomic_flag_clear): Ditto.
737 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
739 * config/s390/sjlj.S: New file.
740 * config/s390/target.h: New file.
741 * configure.tgt: Set options for S/390.
743 2013-03-23 Andi Kleen <ak@linux.intel.com>
745 * local_atomic (__always_inline): Add.
746 (__calculate_memory_order, atomic_thread_fence,
747 atomic_signal_fence, test_and_set, clear, store, load,
748 exchange, compare_exchange_weak, compare_exchange_strong,
749 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
750 Add __always_inline to force inlining.
752 2013-02-11 Iain Sandoe <iain@codesourcery.com>
753 Jack Howarth <howarth@bromo.med.uc.edu>
754 Patrick Marlier <patrick.marlier@gmail.com>
757 * alloc_cpp.cc: Enable function declarations on darwin.
758 * eh_cpp.cc: Likewise.
760 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
762 Update copyright years.
764 2012-11-09 Torvald Riegel <triegel@redhat.com>
766 * beginend.cc (htm_fastpath): New.
767 (gtm_thread::begin_transaction, _ITM_commitTransaction,
768 _ITM_commitTransactionEH): Add HTM fastpath handling.
769 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
770 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
771 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
772 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
773 * configure.tgt: Add -mrtm to XCFLAGS.
774 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
775 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
776 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
777 * retry.cc (parse_default_method): Add HTM method parsing.
778 (gtm_thread::number_of_threads_changed): Use HTM by default if
781 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
783 * configure: Regenerate.
785 2012-10-31 Richard Henderson <rth@redhat.com>
787 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
788 * configure.ac: Use it.
789 * config.h.in, configure: Rebuild.
790 * testsuite/Makefile.in: Rebuild.
792 2012-10-24 Torvald Riegel <triegel@redhat.com>
794 * libitm.texi: Clarify ABI requirements for data-logging functions.
796 2012-10-24 Torvald Riegel <triegel@redhat.com>
798 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
799 it requires serial mode instead of assuming that for certain
801 * dispatch.h (abi_dispatch::requires_serial): New.
802 (abi_dispatch::abi_dispatch): Adapt.
803 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
804 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
805 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
806 serial_dispatch::serial_dispatch,
807 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
809 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
811 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
812 and ia32 declarations some more.
813 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
815 2012-09-20 Jakub Jelinek <jakub@redhat.com>
818 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
819 * configure: Regenerate.
820 * Makefile.in: Regenerate.
822 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
824 * configure: Regenerated.
826 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
828 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
830 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
832 * eh_cpp.cc: Fix __cxa_end_catch declaration.
834 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
836 * configure: Regenerated.
838 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
841 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
844 2012-04-03 Tristan Gingold <gingold@adacore.com>
846 * configure: Regenerate.
848 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
851 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
853 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
855 * testsuite/lib/libitm.exp: load fortran-modules.exp
857 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
859 * configure.tgt (*-*-irix6*): Remove.
861 2012-03-13 Torvald Riegel <triegel@redhat.com>
864 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
867 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
869 * configure.tgt (*-*-osf*): Remove.
870 * configure: Regenerate.
872 2012-03-05 Torvald Riegel <triegel@redhat.com>
874 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
875 memtransfer/memset if size isn't larger than zero.
877 2012-03-02 Torvald Riegel <triegel@redhat.com>
879 * libitm.texi: Link to specification and add a usage example.
881 2012-02-24 Torvald Riegel <triegel@redhat.com>
883 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
884 default dispatch for more than 1 thread to ml_wt.
886 2012-02-20 Torvald Riegel <triegel@redhat.com>
888 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
890 2012-02-20 Torvald Riegel <triegel@redhat.com>
892 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
894 2012-02-20 Torvald Riegel <triegel@redhat.com>
896 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
897 serial mode corner cases made obsolete by prior gtm_rwlock changes.
898 (gl_wt_dispatch.rollback): Same.
900 2012-02-20 Torvald Riegel <triegel@redhat.com>
902 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
904 2012-02-20 Torvald Riegel <triegel@redhat.com>
906 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
907 for RfW src. Optimize number of calls to gtm_thr.
909 2012-02-20 Torvald Riegel <triegel@redhat.com>
911 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
913 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
914 (default_dispatch): Make atomic.
915 (GTM::gtm_thread::set_default_dispatch): Access atomically.
916 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
917 use decide_begin_dispatch() if default_dispatch might have changed.
918 (GTM::gtm_thread::number_of_threads_changed): Initialize
919 default_dispatch here.
921 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
922 Patrick Marlier <patrick.marlier@gmail.com>
925 * alloc_cpp.cc: No dummy definitions for darwin.
926 * eh_cpp.cc: Likewise.
928 2012-02-14 Richard Henderson <rth@redhat.com>
930 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
932 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
934 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
936 2012-02-14 Torvald Riegel <triegel@redhat.com>
938 * libitm_i.h (GTM::gtm_rwlog_entry): New.
939 (GTM::gtm_thread): Add read and write logs.
940 (GTM::dispatch_ml_wt): Declare.
941 * retry.cc (parse_default_method): Support ml_wt.
942 * method-ml.cc: New file.
943 * Makefile.am: Add method-ml.cc.
944 * Makefile.in: Regenerate.
946 2012-02-14 Torvald Riegel <triegel@redhat.com>
948 * dispatch.h (GTM::abi_dispatch::supports): New.
949 (GTM::method_group::reinit): New.
950 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
951 (GTM::gtm_thread::number_of_threads_changed): Check that the method
952 supports the current situation.
954 2012-02-14 Torvald Riegel <triegel@redhat.com>
956 * util.cc (GTM::xcalloc): New.
957 * common.h (GTM::xcalloc): Declare.
959 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
961 * config/sparc/target.h (cpu_relax): Read from CC register.
962 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
964 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
966 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
968 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
970 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
971 * config/sparc/cacheline.h: New file.
972 * config/sparc/target.h: Likewise.
973 * config/sparc/sjlj.S: Likewise.
974 * config/linux/sparc/futex_bits.h: Likewise.
976 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
978 * configure.ac (link_itm): Fix comment.
979 * configure: Regenerate.
980 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
982 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
985 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
986 Correct libgomp references.
988 2012-01-24 Torvald Riegel <triegel@redhat.com>
990 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
993 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
995 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
997 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
998 offset values. Do not copy return address. Decrement stack
1000 (GTM_longjump) [__x86_64__]: Update offset values.
1002 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1005 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1006 the first function argument to %eax.
1008 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1010 * libitm.h (_ITM_getThreadnum): Remove.
1011 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1013 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1015 * clearcap.map: New file.
1016 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1017 * configure.ac: Call it.
1018 Clear HWCAP_LDFLAGS if defaulting to -mavx.
1019 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1020 * configure: Regenerate.
1021 * Makefile.in: Regenerate.
1022 * testsuite/Makefile.in: Regenerate.
1024 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1027 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1028 include, exclude options.
1030 2012-01-14 Torvald Riegel <triegel@redhat.com>
1032 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1034 * containers.h (GTM::vector::set_size): New.
1036 2012-01-14 Torvald Riegel <triegel@redhat.com>
1039 * config/generic/tls.h (GTM::mask_stack_top): New.
1040 (GTM::mask_stack_bottom): Declare.
1041 * config/generic/tls.c (GTM::mask_stack_bottom): New.
1042 * local.cc (gtm_undolog::rollback): Filter out any updates that
1043 overlap the libitm stack. Add current transaction as parameter.
1044 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1045 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1046 * testsuite/libitm.c/stackundo.c: New test.
1048 2012-01-10 Richard Henderson <rth@redhat.com>
1050 * libitm_i.h (_Unwind_DeleteException): Declare weak.
1051 * eh_cpp.cc (_Unwind_DeleteException): Define for
1052 !HAVE_ELF_STYLE_WEAKREF.
1054 2012-01-08 Torvald Riegel <triegel@redhat.com>
1056 * local.cc (GTM_LB): Use GTM::gtm_undolog.
1057 (GTM::gtm_thread::drop_references_undolog): Remove.
1058 (GTM::gtm_thread::commit_undolog,
1059 GTM::gtm_thread::rollback_undolog): Move to ...
1060 * libitm_i.h (GTM::gtm_undolog): ...here. New.
1061 (GTM::gtm_undolog_entry): Remove.
1062 (GTM::gtm_thread): Adapt.
1063 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1064 (GTM::gtm_thread::trycommit): Adapt.
1065 * method-serial.cc (serial_dispatch::log): Adapt.
1066 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1067 (gl_wt_dispatch::store): Fix likely/unlikely.
1068 * containers.h (GTM::vector::resize): Add additional_capacity
1069 parameter and handle it.
1070 (GTM::vector::resize_noinline): New/adapt.
1071 (GTM::vector::push): New.
1073 2012-01-06 Richard Henderson <rth@redhat.com>
1075 * configure.tgt: Support powerpc-linux and powerpc-darwin.
1076 * config/linux/powerpc/futex_bits.h: New file.
1077 * config/powerpc/cacheline.h: New file.
1078 * config/powerpc/sjlj.S: New file.
1079 * config/powerpc/target.h: New file.
1080 * config/generic/asmcfi.h (cfi_offset): New.
1081 (cfi_restore, cfi_undefined): New.
1083 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
1086 * testsuite/libitm.c/reentrant.c: Remove xfail.
1087 (thread): Pass x to pure().
1088 From Patrik Marlier <patrick.marlier@gmail.com>.
1090 2011-12-24 Torvald Riegel <triegel@redhat.com>
1092 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1093 privatization safety if already in serial mode.
1095 2011-12-24 Torvald Riegel <triegel@redhat.com>
1097 * beginend.cc (GTM::gtm_thread::restart): Add and handle
1098 finish_serial_upgrade parameter.
1099 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1100 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1101 Don't unset reader flag.
1102 (GTM::gtm_rwlock::write_upgrade_finish): New.
1103 * config/posix/rwlock.cc: Same.
1104 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1106 * config/posix/rwlock.h: Same.
1107 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1108 flag after commit or after rollback when restarting.
1110 2011-12-24 Torvald Riegel <triegel@redhat.com>
1112 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1113 (GTM::gtm_thread::try_commit): Changed memory order.
1114 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1116 * config/linux/x86/futex_bits.h (sys_futex0): Same.
1117 * config/linux/sh/futex_bits.h (sys_futex0): Same.
1118 * config/linux/futex_bits.h (sys_futex0): Same.
1119 * config/linux/futex.cc (futex_wait, futex_wake): Same.
1120 * config/linux/futex.h (futex_wait, futex_wake): Same.
1121 * config/linux/rwlock.h (gtm_rwlock::writers,
1122 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1124 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1125 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1126 gtm_rwlock::write_unlock): Fix memory orders and fences.
1127 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1128 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1129 gtm_rwlock::write_unlock): Same.
1130 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1131 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1132 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1134 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1135 gl_wt_dispatch::load, gl_wt_dispatch::store,
1136 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1137 orders and fences. Add comments.
1139 2011-12-21 Jakub Jelinek <jakub@redhat.com>
1141 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1142 * Makefile.in: Regenerated.
1144 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
1146 * configure.tgt: Add sh* case.
1147 * config/sh/target.h: New file.
1148 * config/sh/sjlj.S: New file.
1149 * config/linux/sh/futex_bits.h: New file.
1151 2011-12-14 Richard Henderson <rth@redhat.com>
1153 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1154 * config/arm/sjlj.S, config/arm/target.h: New files.
1155 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1156 (cfi_rel_offset): New.
1157 * config/linux/futex_bits.h: New file.
1158 * config/linux/futex.cc: Include futex_bits.h here...
1159 * config/linux/futex.h: ... not here.
1160 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1161 * configure.ac (ARCH_AM): New conditional.
1162 * Makefile.in, configure: Rebuild.
1163 * configure.tgt: Handle ARM.
1165 2011-12-13 Richard Henderson <rth@redhat.com>
1167 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1168 signed/unsigned comparison werror.
1170 * local_atomic: New file.
1171 * libitm_i.h: Include it.
1172 (gtm_thread::shared_state): Use atomic template.
1173 * beginend.cc (GTM::gtm_clock): Use atomic template.
1174 (global_tid): Use atomic template if 64-bit atomics available.
1175 (gtm_thread::gtm_thread): Update shared_state access.
1176 (gtm_thread::trycommit): Likewise.
1177 (choose_code_path): Update global_tid access.
1178 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
1179 * stmlock.h (GTM::gtm_clock): Use atomic template.
1180 (gtm_get_clock, gtm_inc_clock): Update accesses.
1181 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1182 redundant __sync_synchronize after atomic shared_state access.
1183 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1184 (gtm_rwlock::write_lock_generic): Likewise.
1185 (gtm_rwlock::read_unlock): Likewise.
1186 * config/alpha/target.h (atomic_read_barrier): Remove.
1187 (atomic_write_barrier): Remove.
1188 * config/x86/target.h (atomic_read_barrier): Remove.
1189 (atomic_write_barrier): Remove.
1191 2011-11-30 Richard Henderson <rth@redhat.com>
1193 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1194 * beginend.c (_ITM_abortTransaction): Update to match.
1195 (GTM::gtm_thread::restart): Likewise.
1196 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1197 * config/x86/sjlj.S (GTM_longjmp): Likewise.
1199 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
1201 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1202 * Makefile.in: Regenerate.
1204 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1206 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1207 * alloc_cpp.cc: Generate dummy functions if we don't
1208 HAVE_ELF_STYLE_WEAKREF.
1209 * eh_cpp.cc: Likewise.
1210 * configure: Regenerate.
1211 * aclocal.m4: Likewise.
1212 * config.h.in: Likewise.
1213 * Makefile.in: Likewise.
1214 * testsuite/Makefile.in: Likewise.
1216 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1218 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1219 __USER_LABEL_PREFIX__ for targets that use it.
1220 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1221 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1222 in portability to non-elf targets.
1223 (GTM_longjmp): Likewise.
1224 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1227 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
1229 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1230 * testsuite/libitm.c/memset-1.c: Likewise.
1232 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
1234 * configure: Regenerate.
1236 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1238 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1239 (LIBITM_ENABLE_SYMVERS): Handle sun style.
1240 * Makefile.am: Handle sun style versioning.
1241 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1242 * configure: Regenerate.
1243 * Makefile.in: Regenerate.
1245 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1247 * config/generic/asmcfi.h: Fix comment.
1248 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1249 sequence without .hidden support, error for non-ELF targets.
1250 (GTM_longjmp) [__ELF__]: Only use .hidden if
1251 HAVE_ATTRIBUTE_VISIBILITY.
1253 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1255 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1256 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1258 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1259 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1261 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
1264 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1265 * configure: Regenerate.
1267 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
1269 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1271 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1273 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1275 (.note.GNU-stack): Only use if __linux__.
1276 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1277 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1278 * testsuite/libitm.c/reentrant.c: Likewise.
1279 * testsuite/libitm.c/simple-2.c: Likewise.
1280 * testsuite/libitm.c/txrelease.c: Likewise.
1281 * testsuite/libitm.c++/static_ctor.C: Likewise.
1283 2011-11-10 Richard Henderson <rth@redhat.com>
1285 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
1286 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1287 * configure.ac (ARCH_X86_AVX): New conditional.
1288 * Makefile.in, configure: Rebuild.
1290 2011-11-09 Richard Henderson <rth@redhat.com>
1292 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1293 * configure.ac: Use it.
1294 * config.h.in, configure: Rebuild.
1295 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1297 2011-11-09 Richard Henderson <rth@redhat.com>
1299 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1300 * config/alpha/unaligned.h: Remove file.
1301 * config/generic/unaligned.h: Remove file.
1302 * config/x86/unaligned.h: Remove file.
1303 * config/generic/cachepage.h: Remove file.
1304 * config/posix/cachepage.cc: Remove file.
1305 * config/generic/cacheline.cc: Remove file.
1306 * config/x86/cacheline.cc: Remove file.
1307 * config/generic/cacheline.h (gtm_cacheline): Remove the
1308 store_mask, copy_mask, copy_mask_wb methods.
1309 * config/x86/cacheline.h: Likewise.
1310 * config/alpha/cacheline.h: Fall back to generic after setting size.
1311 * config/generic/tls.cc (gtm_mask_stack): Remove.
1312 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1313 (GTM_vpalignr_table): Remove.
1314 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1315 (GTM_pshift_table): Remove.
1316 * config/libitm_i.h: Don't include cachepage.h.
1317 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1318 * Makefile.in, testsuite/Makefile.in: Rebuild.
1320 2011-11-09 Richard Henderson <rth@redhat.com>
1322 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1323 to emit branch prediction hint.
1325 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1326 Protect .note.GNU-stack with __linux__.
1328 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1329 * configure, aclocal.m4, config.h.in: Rebuild.
1330 * config/generic/asmcfi.h: New file.
1331 * config/x86/sjlj.S: Use it.
1333 2011-11-08 Richard Henderson <rth@redhat.com>
1335 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1337 2011-11-08 Richard Henderson <rth@redhat.com>
1339 * configure.tgt: Test correct directory for supported cpus.
1341 * configure.ac: Exit if unsupported.
1342 * configure: Rebuild.
1343 * configure.tgt: Delete boilerplate from libgomp for unsupported
1344 targets. Set UNSUPPORTED for unsupported targets.
1346 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1348 * configure.tgt: Handle i386 like i[456]86.
1349 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1351 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1352 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1354 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
1356 * method-wbetl.cc: Update copyright notice.
1362 * barrier.tpl: Same.
1363 * useraction.cc: Same.
1367 * config/generic/tls.cc: Same.
1368 * config/generic/cacheline.h: Same.
1369 * config/generic/cachepage.h: Same.
1370 * config/generic/cacheline.cc: Same.
1371 * config/generic/unaligned.h: Same.
1372 * config/x86/cacheline.h: Same.
1373 * config/x86/cacheline.cc: Same.
1374 * config/x86/unaligned.h: Same.
1375 * config/alpha/cacheline.h: Same.
1376 * config/alpha/unaligned.h: Same.
1377 * config/alpha/sjlj.S: Same.
1378 * config/posix/cachepage.cc: Same.
1379 * config/linux/futex.h: Same.
1380 * config/linux/alpha/futex_bits.h: Same.
1382 2011-11-04 Torvald Riegel <triegel@redhat.com>
1384 * libitm.texi: No cover text and invariant sections.
1386 2011-11-03 Richard Henderson <rth@redhat.com>
1388 * local_type_traits: New file.
1389 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1391 2011-11-03 Richard Henderson <rth@redhat.com>
1393 * configure.ac: Don't test for gfortran.
1394 * configure: Rebuild.
1396 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1397 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1399 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1401 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1402 * testsuite/libitm.c/memset-1.c: Same.
1403 * testsuite/libitm.c/c.exp: Same.
1404 * testsuite/lib/libitm-dg.exp: Same.
1405 * testsuite/lib/libitm.exp: Same.
1406 * testsuite/libitm.c++/c++.exp: Same.
1408 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1410 * testsuite/config/default.exp: Update copyright date.
1411 * configure.ac: Add copyright info.
1412 * configure.tgt: Same.
1414 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1416 * testsuite/libitm.c/reentrant.c: XFAIL.
1417 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1419 2011-10-29 Torvald Riegel <triegel@redhat.com>
1421 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1423 (_ITM_abortTransaction): Handle aborts of outer transactions.
1425 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1426 * libitm.texi: Document aborts of outer transactions.
1427 * testsuite/libitm.c/cancel.c: New file.
1429 2011-10-19 Torvald Riegel <triegel@redhat.com>
1431 * testsuite/*: Change __transaction to __transaction_atomic or
1432 __transaction_relaxed.
1434 2011-10-19 Torvald Riegel <triegel@redhat.com>
1436 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1439 2011-10-19 Torvald Riegel <triegel@redhat.com>
1441 * libitm_i.h: Add gl_wt dispatch.
1442 * retry.cc (parse_default_method): Same.
1443 * method-gl.cc: New file.
1444 * Makefile.am: Use method-gl.cc.
1445 * Makefile.in: Rebuild.
1447 2011-10-19 Torvald Riegel <triegel@redhat.com>
1449 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1450 safety if requested by a TM method.
1451 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1452 privatization safety.
1453 * method-serial.cc: Same.
1455 2011-10-19 Torvald Riegel <triegel@redhat.com>
1457 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1458 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1459 undolog-related member functions from *_local to *_undolog.
1460 * local.cc (gtm_thread::commit_undolog): Same.
1461 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1462 (GTM::gtm_thread::rollback): Roll back undolog before
1463 dispatch-specific rollback.
1465 2011-10-19 Torvald Riegel <triegel@redhat.com>
1467 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1468 re-initialization of the current method group.
1469 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1471 2011-10-19 Torvald Riegel <triegel@redhat.com>
1473 * alloc.cc (commit_allocations_2): Do not free transaction-local
1474 memory when committing a nested transaction.
1476 2011-10-19 Torvald Riegel <triegel@redhat.com>
1478 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1479 serial-irrevocable dispatch, not serial.
1481 2011-10-19 Torvald Riegel <triegel@redhat.com>
1483 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1485 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1486 * method-serial.cc: Implement begin_or_restart().
1487 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1488 dispatch-specific begin_or_restart().
1489 (GTM::gtm_thread::restart): Same.
1491 2011-08-23 Torvald Riegel <triegel@redhat.com>
1493 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1494 restarting without switching to serial mode.
1495 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1496 transaction state. Choose closed-nesting alternative if available.
1497 (GTM::gtm_thread::set_default_dispatch): New.
1498 (parse_default_method): New.
1499 (GTM::gtm_thread::number_of_threads_changed): New.
1500 * method-serial.cc (GTM::serial_mg): New method group class.
1501 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1503 (GTM::serial_dispatch): Same.
1504 (GTM::serialirr_onwrite_dispatch): Same.
1505 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1506 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1508 (GTM::gtm_thread::gtm_thread): Same.
1509 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1510 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1511 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1512 choose dispatch but set state according to dispatch here.
1513 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1514 (GTM::method_group): New class.
1515 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1516 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1517 * libitm.texi: Document TM methods, method groups, method life cycle.
1518 Rename method sets to method groups.
1520 2011-08-23 Torvald Riegel <triegel@redhat.com>
1522 * config/x86/tls.h: Moved to ...
1523 * config/linux/x86/tls.h: ... here.
1525 2011-08-23 Torvald Riegel <triegel@redhat.com>
1527 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1529 * config/x86/sjlj.S: Same.
1531 2011-08-19 Torvald Riegel <triegel@redhat.com>
1533 * config/linux/rwlock.h: New file.
1534 * config/linux/rwlock.c: New file.
1535 * configure.ac: Reenable futex support (undo SVN rev 157758).
1536 * Makefile.am: Same.
1537 * configure.tgt: Same.
1538 * config/linux/alpha/futex_bits.h: Same.
1539 * config/linux/futex.h: Same. Return number of woken processes.
1540 * config/linux/futex.cc: Same.
1541 (futex_wait): Remove spinning.
1542 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1543 Use __x86_64__ instead of __LP64__.
1544 * aclocal.m4: Include generic futex checks.
1545 * configure: Rebuild.
1546 * Makefile.in: Rebuild.
1547 * testsuite/Makefile.in: Rebuild.
1548 * beginend.cc: Include pthread.h.
1549 * config/posix/cachepage.cc: Same.
1551 2011-08-12 Torvald Riegel <triegel@redhat.com>
1553 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1554 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1556 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1558 (GTM::gtm_thread::thread_num): Removed.
1559 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1560 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1561 tx-to-thread renaming.
1562 * beginend.cc: Adapted to tx-to-thread renaming.
1563 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1564 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1565 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1566 gtm_transaction to gtm_thread.
1567 (_ITM_getThreadnum): Removed. Not supported anymore.
1568 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1569 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1570 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1571 gtm_tx-to-gtm_thr renaming if necessary.
1578 * alloc_cpp.cc: Same.
1579 * method-serial.cc: Same.
1580 * config/generic/tls.cc: Same.
1581 * config/posix/rwlock.h (gtm_rwlock): Same.
1582 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1584 2011-08-12 Torvald Riegel <triegel@redhat.com>
1586 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1588 (gtm_rwlock::read_unlock): Same.
1589 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1590 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1591 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1592 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1593 w_upgrade. Replaced by per-transaction flags (in shared_state).
1594 Added c_confirmed_writers.
1595 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1596 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1597 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1598 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1599 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1600 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1601 * libitm.texi: Document locking conventions and implementations in
1604 2011-08-12 Torvald Riegel <triegel@redhat.com>
1606 * libitm_i.h (next_tx): Add list of all threads' transaction.
1607 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1608 transaction with list of transactions and ...
1609 (thread_exit_handler): ... deregister here.
1610 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1611 * config/x86/target.h: Same.
1613 2011-08-12 Torvald Riegel <triegel@redhat.com>
1615 * testsuite/libitm.c++/static_ctor.C: New file.
1617 2011-08-12 Torvald Riegel <triegel@redhat.com>
1619 * testsuite/libitm.c/reentrant.c: New file.
1621 2011-08-12 Torvald Riegel <triegel@redhat.com>
1623 * config/generic/tls.h: Remove the free list for transactions and ...
1624 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1625 (GTM::gtm_transaction::operator delete): ... and release here.
1626 (thread_exit_handler): New. Delete tx when thread terminates.
1627 (thread_exit_init): New.
1628 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1629 * testsuite/libitm.c/txrelease.c: New file.
1631 2011-08-12 Torvald Riegel <triegel@redhat.com>
1633 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1634 * testsuite/libitm.c/notx.c: New file.
1636 2011-08-12 Torvald Riegel <triegel@redhat.com>
1638 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1639 * libitm_i.h (local_tid): ... to here.
1640 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1641 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1643 2011-08-12 Torvald Riegel <triegel@redhat.com>
1645 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1646 serialirr_onwrite_dispatch as new default for now.
1647 * method-serial.cc (serialirr_onwrite_dispatch): New.
1648 (GTM::dispatch_serialirr_onwrite): New.
1651 2011-08-12 Torvald Riegel <triegel@redhat.com>
1653 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1654 * query.cc (_ITM_getTransactionId): There is no active transaction if
1655 the current nesting level is zero.
1657 2011-07-28 Torvald Riegel <triegel@redhat.com>
1659 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1662 2011-07-28 Torvald Riegel <triegel@redhat.com>
1664 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1665 transaction properties from the caller instead of from the
1668 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1670 2011-07-28 Torvald Riegel <triegel@redhat.com>
1672 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1673 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1675 * method-serial.cc: Same.
1676 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1677 flat nesting as default, and closed nesting on demand.
1678 (GTM::gtm_transaction::rollback): Same.
1679 (_ITM_abortTransaction): Same.
1680 (GTM::gtm_transaction::restart): Same.
1681 (GTM::gtm_transaction::trycommit): Same.
1682 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1683 (choose_code_path): New.
1684 (GTM::gtm_transaction_cp::save): New.
1685 (GTM::gtm_transaction_cp::commit): New.
1686 * query.cc (_ITM_inTransaction): Support flat nesting.
1687 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1688 (GTM::gtm_transaction): Support flat and closed nesting.
1689 * alloc.cc (commit_allocations_2): New.
1690 (commit_cb_data): New helper struct.
1691 (GTM::gtm_transaction::commit_allocations): Handle nested
1693 * libitm.texi: Update user action section, add description of nesting.
1695 2011-07-28 Torvald Riegel <triegel@redhat.com>
1697 * libitm_i.h: Add closed nesting as restart reason.
1698 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1700 2011-07-28 Torvald Riegel <triegel@redhat.com>
1702 * useraction.cc: Use vector instead of list to store actions.
1703 Also support partial rollbacks for closed nesting.
1704 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1705 * beginend.cc: Same.
1707 2011-07-28 Torvald Riegel <triegel@redhat.com>
1709 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1710 closed_nesting flags, as well as a closed nesting alternative.
1711 * method-serial.cc: Same.
1712 (serial_dispatch): Renamed to serialirr_dispatch.
1713 (GTM::dispatch_serialirr): Same.
1714 (serial_dispatch_ul): Renamed to serial_dispatch.
1715 (GTM::dispatch_serial): Same.
1717 2011-07-28 Torvald Riegel <triegel@redhat.com>
1719 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1721 2011-07-28 Torvald Riegel <triegel@redhat.com>
1723 * aatree.h (aa_tree::remove): New.
1724 (aa_tree::operator new): Add placement new.
1726 2011-07-02 Torvald Riegel <triegel@redhat.com>
1728 * containers.h: New file.
1729 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1730 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1731 * common.h: ... to here.
1732 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1735 2011-06-30 Torvald Riegel <triegel@redhat.com>
1737 * libitm_i.h (STATE_ABORTING): Remove.
1738 * beginend.cc (_ITM_abortTransaction): Same.
1739 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1740 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1741 (_ITM_rollbackTransaction): Remove.
1742 * beginend.cc: Same.
1744 * libitm.texi: Document these ABI changes.
1746 2011-06-30 Torvald Riegel <triegel@redhat.com>
1748 * libitm.texi: New file.
1749 * Makefile.am: Add libitm.texi.
1750 * Makefile.in: Rebuild.
1752 2011-06-30 Torvald Riegel <triegel@redhat.com>
1754 * libitm_i.h: Move parts to common.h and dispatch.h.
1755 * common.h: New file.
1756 * dispatch.h: New file, new dispatch class.
1757 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1758 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1759 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1760 decision to retry.cc.
1761 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1763 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1764 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1766 * barrier.cc: Use new barriers definitions.
1767 (abi_dispatch::memmove_overlap_check): New.
1768 * config/x86/x86_sse.cc: Same.
1769 * config/x86/x86_avx.cc: Same.
1770 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1772 * Makefile.in: Rebuild.
1773 * method-readonly.cc: Remove.
1774 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1775 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1777 2011-06-30 Torvald Riegel <triegel@redhat.com>
1779 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1780 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1781 * testsuite/libitm.c/dropref-2.c: Same.
1782 * testsuite/libitm.c/dropref.c: Same.
1784 2011-06-30 Torvald Riegel <triegel@redhat.com>
1786 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1787 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1788 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1790 * barrier.tpl: Same.
1792 * config/generic/tls.h: Same.
1793 * config/x86/tls.h: Same.
1797 * method-readonly.cc: Same.
1798 * method-serial.cc: Same.
1799 * method-wbetl.cc: Same.
1802 2011-03-03 Richard Henderson <rth@redhat.com>
1804 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1805 From Patrik Marlier <patrick.marlier@unine.ch>.
1807 2011-02-03 Richard Henderson <rth@redhat.com>
1809 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1810 * configure.ac: Use it.
1811 * configure, config.h.in: Rebuild.
1812 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1813 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1814 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1815 * libitm.map: Use wildcards to match size_t mangling.
1817 2010-12-14 Richard Henderson <rth@redhat.com>
1819 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1820 blocks of TIDs per thread.
1821 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1822 (setup_gtm_thr): Return the thread structure.
1823 * config/x86/tls.h (setup_gtm_thr): Likewise.
1825 2010-12-14 Richard Henderson <rth@redhat.com>
1827 * clone.cc (table_lock): Remove.
1828 (find_clone): Don't take it.
1829 (ExcludeTransaction): New helper class.
1830 (_ITM_registerTMCloneTable): Use it.
1831 (_ITM_deregisterTMCloneTable): Likewise.
1833 2010-12-14 Richard Henderson <rth@redhat.com>
1835 * config/x86/tls.h: New file.
1837 2010-07-15 Richard Henderson <rth@redhat.com>
1839 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1840 * Makefile.in: Rebuild.
1842 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1844 * method-wbetl.cc (trydropreference): Fix source line.
1846 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1848 * libitm.h: Add comment.
1849 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1851 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1853 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1854 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1855 available, use pthread mutexes.
1856 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1857 * config.h.in: Regenerate.
1858 * configure: Regenerate.
1860 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1862 * libitm.h (ITM_PURE): Define.
1863 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1865 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1867 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1868 (validate): Add comment.
1869 (trydropreference): New.
1870 * method-readonly.cc (class readonly_dispatch): Add
1872 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1873 Call trydropreference().
1874 * libitm.h (_ITM_dropReferences): Remove const attribute.
1875 * method-serial.cc (class serial_dispatch): Add trydropreference.
1876 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1878 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1880 * memcpy.cc (do_memcpy): Comment.
1882 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1884 * barrier.tpl: Add comments throughout.
1886 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1888 * method-wbetl.cc (struct w_entry): Add comments.
1892 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1894 * alloc_c.cc (_ITM_dropReferences): New.
1895 * libitm.map (_ITM_dropReferences): Add.
1896 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1897 * libitm_i.h (struct gtm_transaction): Declare
1898 drop_references_allocations and drop_references_local.
1899 * local.cc (rollback_local): Ignore memory when applicable.
1900 (drop_references_local): New.
1902 2010-06-23 Richard Henderson <rth@redhat.com>
1904 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1905 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1906 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1907 * config/alpha/target.h: Likewise.
1908 * config/generic/tls.cc (gtm_mask_stack): Use it.
1910 2010-06-23 Richard Henderson <rth@redhat.com>
1912 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1913 a mutex instead of trying a lock-free compare-and-swap on the list.
1914 (gtm_cacheline_page::operator delete): Likewise.
1916 2010-06-16 Richard Henderson <rth@redhat.com>
1918 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1919 that overlap the libitm stack.
1920 * barrier.tpl: Mark incoming stack.
1921 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1922 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1923 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1924 * memcpy.cc, memset.cc: Likewise.
1925 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1926 * config/generic/tls.h (gtm_thread): Add stack_top member.
1927 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1928 * libitm_i.h (gtm_mask_stack): Declare.
1929 * config/generic/tls.cc: New file.
1930 * Makefile.am (libitm_la_SOURCES): Add it.
1931 (AM_CXXFLAGS): Turn off exceptions.
1932 * Makefile.in: Rebuild.
1934 2010-06-16 Richard Henderson <rth@redhat.com>
1936 * alloc.cc (struct gtm_alloc_action): Move definition ...
1937 * libitm_i.h: ... here.
1938 (class gtm_transaction): Declare new and delete.
1939 * beginend.cc (alloc_tx): Reformulate as operator new.
1940 (free_tx): Reformulate as operator delete.
1941 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1943 2010-06-11 Richard Henderson <rth@redhat.com>
1945 * clone.cc (clone_entry_compare): Fix typo.
1946 From Patrik Marlier <patrick.marlier@unine.ch>.
1948 2010-05-13 Richard Henderson <rth@redhat.com>
1950 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1953 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1955 * libitm_i.h (struct gtm_transaction): Remove
1956 get_allocation_size.
1957 (record_allocation): Remove size parameter.
1958 * libitm.map (_ITM_realloc): Remove.
1959 * alloc_c.cc (_ITM_realloc): Remove.
1960 (_ITM_malloc): Remove size argument to record_allocation.
1961 (_ITM_calloc): Same.
1962 * alloc_cpp.cc (_ZGTtnwm): Same.
1963 (_ZGTtnwmRKSt9nothrow_t): Same.
1965 (_ZGTtnamRKSt9nothrow_t): Same.
1966 * alloc.cc (struct gtm_alloc_action): Remove size.
1967 (get_allocation_size): Remove.
1968 (commit_allocations): Add comment.
1969 (record_allocation): Remove size parameter.
1970 (forget_allocation): Remove set of size.
1972 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1974 * Makefile.am (abi_version): New.
1975 (AM_CXXFLAGS): Pass abi_version.
1976 * Makefile.in: Regenerate.
1977 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1979 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1981 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1982 _ITM_getTMCloneOrIrrevokable.
1983 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1984 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1986 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1988 * configure.ac: Remove Linux futex support.
1989 * configure.tgt (config_path): Same.
1990 * Makefile.am: Same.
1991 * config/linux: Remove entire directory.
1992 * configure: Rebuild.
1993 * Makefile.in: Rebuild.
1994 * testsuite/Makefile.in: Rebuild.
1996 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1998 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1999 switching to serial mode.
2000 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2002 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
2004 * configure.tgt: Add emacs -*- tags.
2005 * barrier.tpl: Same.
2007 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
2009 * Makefile.am: Rename serial.cc to method-serial.cc.
2010 * Makefile.in: Regenerate with automake 1.11.1.
2011 * testsuite/Makefile.in: Same.
2012 * aclocal.m4: Regenerate with aclocal 1.11.1.
2013 * method-serial.cc: Rename from serial.cc.
2014 * libitm_i.h (struct gtm_transaction): Update comment on
2017 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
2019 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2020 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2022 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
2024 * configure: Rebuild.
2026 2009-11-12 Richard Henderson <rth@redhat.com>
2028 * Rewrite everything in C++.
2030 2009-11-03 Richard Henderson <rth@redhat.com>
2032 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2033 * Makefile.am (libitm_la_SOURCES): Add them.
2034 * configure.ac (ARCH_X86): New conditional.
2035 * Makefile.in, configure: Rebuild.
2036 * configure.tgt: Set up ARCH; do cflags setup at the same time.
2037 Move futex setup into "other system configury" case.
2038 * local.c (rollback_local): Merge into ...
2039 (GTM_rollback_local): ... here.
2040 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2041 (_ITM_LB): Define as an alias to GTM_LB.
2043 2009-11-03 Richard Henderson <rth@redhat.com>
2045 * method-readonly.c: New file.
2046 * Makefile.am (libitm_la_SOURCES): Add it.
2047 * Makefile.in: Rebuild.
2048 * beginend.c (gtm_stmlock_array, gtm_clock): New.
2049 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2050 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2051 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2052 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2053 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2054 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2055 gtm_get_clock, gtm_inc_clock): New.
2056 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2057 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2058 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2059 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2060 replace uses with new libitm_i.h symbols.
2061 (dispatch_wbetl): Rename from wbetl_dispatch.
2062 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2063 away from dispatch_readonly; abort if the beginTransaction call
2064 asserted that the transaction was readonly.
2066 2009-11-03 Richard Henderson <rth@redhat.com>
2068 * memset.c: New file.
2069 * Makefile.am (libitm_la_SOURCES): Add it.
2070 * Makefile.in: Rebuild.
2071 * testsuite/libitm.c/memset-1.c: New.
2073 2009-11-03 Richard Henderson <rth@redhat.com>
2075 * dispatch.c: Remove file.
2076 * useraction.c (struct gtm_user_action): Move from libitm.h.
2077 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2078 (serial_memset, serial_memmove, serial_memcpy): Remove.
2079 (serial_W*, serial_R*): Remove.
2080 (serial_dispatch): Update to match.
2081 * configure.ac: Move Werror down below configure checks. Don't
2082 check for sys/loadavg.h, do check for malloc.h. Don't check for
2083 getloadavg and clock_gettime; do check for memalign, posix_memalign.
2084 Use GCC_AC_FUNC_MMAP_BLACKLIST
2085 * libitm.h: Split out all internal items to...
2086 * libitm_i.h: ... here. New file.
2087 * copymask.c: New file.
2088 * local.c (struct gtm_local_undo): Move from libitm.h.
2089 (GTM_alloc_local): Rename from alloc_local; export.
2090 * memcpy.c: New file.
2091 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2092 * config/posix/page.c: New file.
2093 * config/posix/target_tls.h: Remove file.
2094 * barrier.c: New file.
2095 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2097 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2098 * method-wbetl.c: Rewrite for new cacheline methods.
2099 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2101 * config/alpha/sjlj.S: Fix typo.
2102 * config/alpha/target_i.h: Copy functions from alpha/target.h.
2103 * config/alpha/copymask.c: New file.
2104 * config/alpha/target.h (CACHELINE_SIZE): New.
2105 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2107 * config/x86/target_i.h: Copy functions from x86/target.h.
2108 * config/x86/copymask.c: New file.
2109 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2110 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2111 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2112 * config/x86/target_tls.h: Move contents to target_i.h.
2114 * testsuite/libitm.c/clone-1.c: Include libitm.h.
2115 * testsuite/libitm.c/memcpy-1.c: New.
2117 2009-10-22 Richard Henderson <rth@redhat.com>
2119 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2120 (AM_CCASFLAGS): New.
2121 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
2122 saving/restoring _AC_ARG_VAR_PRECIOUS.
2123 * Makefile.in, aclocal.m4, config.h.in, configure,
2124 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2126 2009-10-22 Richard Henderson <rth@redhat.com>
2128 * testsuite/*: Update for new compiler syntax.
2130 2009-10-21 Richard Henderson <rth@redhat.com>
2132 * libitm.h (_ITM_abortReason): Add outerAbort.
2134 2009-08-03 Richard Henderson <rth@redhat.com>
2136 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2137 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2138 * method-wbetl.c (struct w_entry): Remove mask.
2139 (wbetl_write, wbetl_load): Return pointer to word containing the data;
2142 2009-07-22 Richard Henderson <rth@redhat.com>
2144 * eh_cpp.c: New file.
2145 * Makefile.am (libitm_la_SOURCES): Add it.
2146 * Makefile.in: Rebuild.
2147 * beginend.c (GTM_rollback_transaction): Undo exception state.
2148 (GTM_trycommit_transaction): Mark inline.
2149 (GTM_trycommit_and_finalize_transaction): Split out from ...
2150 (_ITM_commitTransaction): ... here.
2151 (_ITM_commitTransactionEH): New function.
2152 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2153 cxa_unthrown, eh_in_flight; reorder.
2155 * testsuite/libitm.c++/c++.exp: New.
2156 * testsuite/libitm.c++/eh-1.C: New.
2158 * aatree.c (aa_free): Remove REGPARM.
2159 * aatree.h: Remove all REGPARM.
2161 2009-07-18 Richard Henderson <rth@redhat.com>
2163 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2164 * Makefile.am (libitm_la_SOURCES): Add them.
2165 * Makefile.in: Rebuild.
2166 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2167 (GTM_trycommit_transaction): Likewise.
2168 * libitm.h: Include aatree.h
2169 (struct gtm_alloc_action): New.
2170 (struct gtm_transaction): Add alloc_actions.
2171 (GTM_record_allocation, GTM_forget_allocation): Declare.
2172 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2173 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2174 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2175 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2176 _ZGTtdaPvRKSt9nothrow_t): Export.
2178 2009-07-18 Richard Henderson <rth@redhat.com>
2180 * target_tls.h: Move ...
2181 * config/posix/target_tls.h: ... here.
2183 2009-07-07 Richard Henderson <rth@redhat.com>
2185 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2187 2009-07-07 Richard Henderson <rth@redhat.com>
2191 2009-07-07 Richard Henderson <rth@redhat.com>
2193 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2194 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2196 * configure.tgt: Don't use -ftls-model for x86 linux.
2197 * libitm.h: Include target.h after standard includes.
2198 (_gtm_thr): Rename from gtm_thr.
2199 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2200 (gtm_disp, set_gtm_disp): New.
2201 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2202 retry.c, serial.c, useraction.c: Use accessor functions throughout.
2203 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2205 2009-07-07 Richard Henderson <rth@redhat.com>
2207 * config/linux/rwlock.c (EZ): New define. Use it throughout.
2209 2009-07-06 Richard Henderson <rth@redhat.com>
2211 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2212 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2213 (_ITM_beginTransaction): Take variadic arguments.
2214 (_ITM_registerThrownObject): Declare.
2215 * beginend.c, serial.c: Update.
2216 * libitm.map: Add _ITM_registerThrownObject.
2218 2009-01-28 Richard Henderson <rth@redhat.com>
2220 * Makefile.am (libitm_la_SOURCES): Add clone.c.
2221 * Makefile.in: Rebuild.
2222 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2223 (GTM_restart_transaction): Fix uninstrumented code check.
2224 * retry.c (GTM_decide_retry_strategy): Add serial check.
2225 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
2226 automatically go irrevokable when in serial mode.
2227 * clone.c: New file.
2228 * libitm.h, libitm.map: Update.
2230 2009-01-27 Richard Henderson <rth@redhat.com>
2232 * Makefile.am (LTCCASCOMPILE): Define.
2233 (libitm_la_SOURCES): Add methid-wbetl.c.
2234 * testsuite/Makefile.am: New
2235 * configure.ac: Add testsuite/Makefile.
2236 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2237 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2238 (_ITM_abortTransaction): Finalize implementation method; pass
2239 transaction properties to longjmp.
2240 (GTM_restart_transaction): Split out from ...
2241 (_ITM_commitTransaction): ... here.
2242 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2243 Move to config/x86/target.h.
2244 * config/linux/alpha/futex_bits.h: New.
2245 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2246 * config/x86/target.h: Disable target types for 32-bit.
2247 * config/alpha/sjlj.S, config/alpha/target.h: New.
2248 * libitm.h (struct gtm_dispatch): Add init, fini.
2249 (enum restart_reason): New.
2250 (struct gtm_transaction): Add method and restarts.
2251 * retry.c (GTM_decide_retry_strategy): Implement.
2252 * serial.c (serial_init, serial_fini): New.
2253 (GTM_serialmode): Finialize outgoing method.
2254 * method-wbetl.c: New.
2256 2008-12-09 Richard Henderson <rth@redhat.com>
2258 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2259 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2260 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2261 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2262 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2263 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2264 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2265 * serial.c (serial_R##T, serial_W##T): Likewise.
2267 2008-11-21 Richard Henderson <rth@redhat.com>
2271 Copyright (C) 2008-2020 Free Software Foundation, Inc.
2273 Copying and distribution of this file, with or without modification,
2274 are permitted in any medium without royalty provided the copyright
2275 notice and this notice are preserved.