1 2016-03-03 Dominik Vogt <vogt@linux.vnet.ibm.com>
3 * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
4 function attribute to disable floating point in begin_transaction() on
6 * beginend.cc (begin_transaction): Use
7 TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
9 2016-01-22 Torvald Riegel <triegel@redhat.com>
11 * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
13 (htm_fastpath): Remove.
14 (gtm_thread::begin_transaction): Fix HTM fastpath.
15 (_ITM_commitTransaction): Adapt.
16 (_ITM_commitTransactionEH): Adapt.
17 * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
19 * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
20 * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
21 * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
22 * libitm/libitm_i.h (htm_fastpath): Remove declaration.
23 * libitm/method-serial.cc (htm_mg): Adapt.
24 (gtm_thread::serialirr_mode): Adapt.
25 * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
27 2016-01-21 Torvald Riegel <triegel@redhat.com>
29 * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
32 2016-01-19 Richard Henderson <rth@redhat.com>
37 2016-01-13 Richard Henderson <rth@redhat.com>
39 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
40 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
41 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
42 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
43 * configure.ac (ARCH_AARCH64): New conditional.
44 (ARCH_PPC, ARCH_S390): Likewise.
45 * Makefile.in, configure: Rebuild.
47 * libitm.h (_ITM_TYPE_M128): Always define.
48 * vect64.cc: Split ...
49 * vect128.cc: ... out of...
50 * config/x86/x86_sse.cc: ... here.
51 * config/arm/neon.cc: New file.
53 2016-01-19 Torvald Riegel <triegel@redhat.com>
55 * local_type_traits: Remove file.
56 * libitm_i.h: Don't include it anymore.
57 (sized_integral): Remove.
59 2016-01-16 Torvald Riegel <triegel@redhat.com>
61 * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
63 * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
64 * libitm/testsuite/libitm.c/priv-1.c: New.
66 2015-01-15 Torvald Riegel <triegel@redhat.com>
68 testsuite/libitm.c++/libstdc++-safeexc.C: New.
70 2016-01-13 Torvald Riegel <triegel@redhat.com>
72 * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
73 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
74 (gtm_rwlock::write_unlock): Likewise.
76 2016-01-13 Richard Henderson <rth@redhat.com>
78 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
79 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
80 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
81 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
82 * configure.ac (ARCH_AARCH64): New conditional.
83 (ARCH_PPC, ARCH_S390): Likewise.
84 * Makefile.in, configure: Rebuild.
86 * libitm.h (_ITM_TYPE_M128): Always define.
87 * vect64.cc: Split ...
88 * vect128.cc: ... out of...
89 * config/x86/x86_sse.cc: ... here.
90 * config/arm/neon.cc: New file.
92 2016-01-13 Torvald Riegel <triegel@redhat.com>
94 * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
95 * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
96 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
97 * dispatch.h (abi_dispatch::snapshot_most_recent): New.
98 * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
99 * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
100 * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
101 (serialirr_dispatch::snapshot_most_recent): New.
102 (serialirr_onwrite_dispatch::snapshot_most_recent): New.
104 2016-01-12 Torvald Riegel <triegel@redhat.com>
106 * libitm_i.h (gtm_mask_stack): Remove.
107 * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
108 * stmlock.h: Remove file.
109 * config/alpha/cacheline.h: Likewise.
110 * config/generic/cacheline.h: Likewise.
111 * config/powerpc/cacheline.h: Likewise.
112 * config/sparc/cacheline.h: Likewise.
113 * config/x86/cacheline.h: Likewise.
115 2016-01-04 Jakub Jelinek <jakub@redhat.com>
117 Update copyright years.
119 * libitm.texi: Bump @copying's copyright year.
121 2015-11-26 Torvald Riegel <triegel@redhat.com>
123 * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
124 (ml_wt_dispatch::pre_write): Adapt.
125 (ml_wt_dispatch::pre_load): Likewise.
127 2015-11-22 Torvald Riegel <triegel@redhat.com>
129 * libitm_i.h (gtm_alloc_action): Remove union.
130 * testsuite/libitm.c/alloc-1.c: New.
132 2015-11-19 Torvald Riegel <triegel@redhat.com>
134 * testsuite/libitm.c++/eh-5.C: New.
135 * libitm.h (_ITM_cxa_free_exception): New.
136 * libitm.map (_ITM_cxa_free_exception): Add it.
137 * libitm.texi: Update ABI docs.
138 * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
139 (gtm_transaction_cp::cxa_uncaught_count): Add.
140 (gtm_thread::cxa_unthrown): Remove.
141 (gtm_thread::cxa_uncaught_count_ptr): Add.
142 (gtm_thread::cxa_uncaught_count): Add.
143 (gtm_thread::drop_references_allocations): Rename to...
144 (gtm_thread::discard_allocation): ... this and adapt.
145 (gtm_thread::init_cpp_exceptions): New.
146 * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
147 (gtm_thread::begin_transaction): Likewise.
148 (gtm_transaction_cp::save): Likewise.
149 (gtm_thread::trycommit): Likewise.
150 * eh_cpp.cc: Add overview comments.
151 (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
152 (free_any_exception, _ITM_cxa_free_exception): New.
153 (gtm_thread::init_cpp_exceptions): Define.
154 (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
155 (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
156 (gtm_thread::revert_cpp_exceptions): Likewise.
158 2015-11-09 Torvald Riegel <triegel@redhat.com>
160 * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
161 _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
162 * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
163 * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
164 (gtm_thread::forget_allocations): New overload with size_t argument.
165 * alloc.c (gtm_thread::forget_allocation): Define new overload and
167 (gtm_thread::record_allocation): Adapt.
168 (gtm_thread::commit_allocations_1): Adapt.
169 (gtm_thread::commit_allocations_2): Adapt.
170 * testsuite/libitm.c++/newdelete.C: New.
172 2015-10-27 Daniel Jacobowitz <dan@codesourcery.com>
173 Joseph Myers <joseph@codesourcery.com>
174 Mark Shinwell <shinwell@codesourcery.com>
175 Andrew Stubbs <ams@codesourcery.com>
176 Rich Felker <dalias@libc.org>
178 * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
179 GTM_begin_transaction for compatibility with FDPIC.
181 2015-10-09 David Malcolm <dmalcolm@redhat.com>
183 * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
186 2015-08-20 Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> (tiny change)
189 * local_atomic (__always_inline): Rename to...
190 (__libitm_always_inline): ... this.
192 2015-07-03 Carlos Sánchez de La Lama <csanchezdll@gmail.com>
195 * config/powerpc/sjlj.S: Port to Xcode 2.5.
197 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
199 * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
200 operands "op" and "val" to int.
202 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
204 * config/linux/sh/futex_bits.h (sys_futex0) Change operands
205 "op" and "val" to int.
207 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
209 * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
210 "op" and "val" to int.
212 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
214 * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
215 Declare as static int.
216 (FUTEX_PRIVATE_FLAG): Remove L suffix.
217 * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
219 2015-05-27 Uros Bizjak <ubizjak@gmail.com>
221 * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
224 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
226 * Makefile.in: Regenerated with automake-1.11.6.
227 * aclocal.m4: Likewise.
228 * configure: Likewise.
229 * testsuite/Makefile.in: Likewise.
231 2015-04-22 Gregor Richards <gregor.richards@uwaterloo.ca>
233 * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
234 * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
236 2015-01-15 H.J. Lu <hongjiu.lu@intel.com>
239 * libitm.c/stackundo.c (test2): Make it static.
242 2015-01-05 Jakub Jelinek <jakub@redhat.com>
244 Update copyright years.
246 2015-01-05 Jakub Jelinek <jakub@redhat.com>
248 * libitm.texi: Bump @copying's copyright year.
250 2014-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
252 * testsuite/lib/libitm.exp: Load target-utils.exp.
253 Move load of target-supports.exp earlier.
255 2014-12-03 Uros Bizjak <ubizjak@gmail.com>
257 * configure.tgt (x86_64): Tune -m32 multilib to generic.
259 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
262 * configure: Regenerated.
264 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
267 * configure: Regenerate.
269 2014-10-06 Marek Polacek <polacek@redhat.com>
271 * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
272 * testsuite/libitm.c/memset-1.c: Likewise.
274 2014-07-24 Richard Henderson <rth@redhat.com>
276 * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
277 addressing mode in epilogue.
279 2014-05-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
281 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
282 -mclear-hwcap instead.
283 * configure: Regenerate.
284 * clearcap.map: Remove.
286 2014-05-21 John Marino <gnugcc@marino.st>
288 * configure.tgt (*-*-dragonfly*): New target.
290 2014-05-19 Richard Henderson <rth@redhat.com>
292 * config/aarch64/sjlj.S: New file.
293 * config/aarch64/target.h: New file.
294 * configure.tgt: Enable aarch64.
296 2014-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
298 * config/generic/asmcfi.h: Also check for
299 __GCC_HAVE_DWARF2_CFI_ASM.
301 2013-04-02 Richard Henderson <rth@redhat.com>
303 * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
304 * config/arm/target.h, config/sh/target.h: Likewise.
305 * config/sparc/target.h, config/x86/target.h: Likewise.
307 2014-03-26 Jakub Jelinek <jakub@redhat.com>
309 * config/linux/futex_bits.h: Include errno.h.
310 (sys_futex0): If syscall returns -1, return -errno rather than
313 2014-03-26 Joseph Myers <joseph@codesourcery.com>
315 * libitm.texi (Index): Rename to Library Index.
317 2014-01-13 H.J. Lu <hongjiu.lu@intel.com>
320 * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
321 (x86_avx.lo): Append -mavx to CXXFLAGS.
322 * Makefile.in: Regenerate.
324 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
326 Update copyright years
328 2014-01-02 Tobias Burnus <burnus@net-b.de>
330 * libitm.texi: Bump @copying's copyright year.
332 2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
334 * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
335 (FUNC): Define ELFv2 variant.
342 2013-09-20 Alan Modra <amodra@gmail.com>
344 * configure: Regenerate.
346 2013-08-30 Torvald Riegel <triegel@redhat.com>
348 * config/posix/rwlock.cc: Fix initialization order.
350 2013-08-30 Torvald Riegel <triegel@redhat.com>
352 * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
353 (htm_fastpath): Assign an asm name.
354 * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
356 (_ITM_actions): Likewise.
357 * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
359 * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
360 * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
361 field to the start of the structure.
362 * config/linux/rwlock.h (gtm_rwlock): Update comments.
363 * beginend.cc (gtm_thread::begin_transaction): Add retry policy
364 handling for custom HTM fast paths.
366 2013-08-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
368 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
370 * configure.tgt: Add -msoft-float to XCFLAGS.
372 2013-08-02 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
374 * configure.tgt: Add -msoft-float to XCFLAGS.
376 2013-07-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
378 * config/s390/target.h (htm_begin, htm_commit, htm_abort)
379 (htm_transaction_active): Enable zEC12 instructions in the
381 * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
383 2013-07-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
385 * acinclude.m4: Add htm asm check for s390.
386 * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
387 * configure: Regenerate.
388 * config/s390/target.h: Remove __HTM__ check.
389 (htm_available): Call getauxval to get hwcaps and check whether
390 HTM is available or not.
392 2013-07-15 Peter Bergner <bergner@vnet.ibm.com>
394 * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
395 * configure.ac: Use it.
396 (AC_CHECK_HEADERS): Check for sys/auxv.h.
397 (AC_CHECK_FUNCS): Check for getauxval.
398 * config.h.in, configure: Rebuild.
399 * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
400 * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
401 (USE_HTM_FASTPATH): Define.
402 (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
403 _HTM_RETRIES) New macros.
404 (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
405 htm_begin_success, htm_commit, htm_transaction_active): New functions.
407 2013-06-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
409 * config/s390/target.h: Include htmintrin.h.
410 (_HTM_ITM_RETRIES): New macro definition.
411 (htm_available, htm_init, htm_begin, htm_begin_success)
412 (htm_commit, htm_abort, htm_abort_should_retry): New functions.
414 2013-06-20 Iain Sandoe <iain@codesourcery.com>
415 Cesar Philippidis <cesar@codesourcery.com>
417 * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
418 Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
419 * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
420 * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
422 2013-06-20 Torvald Riegel <triegel@redhat.com>
424 * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
425 (_ITM_getTransactionId): Same.
426 * config/x86/target.h (htm_transaction_active): New.
428 2013-06-20 Torvald Riegel <triegel@redhat.com>
431 * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
434 2013-03-31 Gerald Pfeifer <gerald@pfeifer.com>
437 * local_atomic (__always_inline): Always define our version.
438 (__calculate_memory_order): Mark inline.
439 (atomic_thread_fence): Ditto.
440 (atomic_signal_fence): Ditto.
441 (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
442 (atomic_bool::atomic_flag_clear_explicit): Ditto.
443 (atomic_bool::atomic_flag_test_and_set): Ditto.
444 (atomic_bool::atomic_flag_clear): Ditto.
446 2013-04-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
448 * config/s390/sjlj.S: New file.
449 * config/s390/target.h: New file.
450 * configure.tgt: Set options for S/390.
452 2013-03-23 Andi Kleen <ak@linux.intel.com>
454 * local_atomic (__always_inline): Add.
455 (__calculate_memory_order, atomic_thread_fence,
456 atomic_signal_fence, test_and_set, clear, store, load,
457 exchange, compare_exchange_weak, compare_exchange_strong,
458 fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
459 Add __always_inline to force inlining.
461 2013-02-11 Iain Sandoe <iain@codesourcery.com>
462 Jack Howarth <howarth@bromo.med.uc.edu>
463 Patrick Marlier <patrick.marlier@gmail.com>
466 * alloc_cpp.cc: Enable function declarations on darwin.
467 * eh_cpp.cc: Likewise.
469 2013-02-03 Richard Sandiford <rdsandiford@googlemail.com>
471 Update copyright years.
473 2012-11-09 Torvald Riegel <triegel@redhat.com>
475 * beginend.cc (htm_fastpath): New.
476 (gtm_thread::begin_transaction, _ITM_commitTransaction,
477 _ITM_commitTransactionEH): Add HTM fastpath handling.
478 * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
479 * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
480 * config/x86/target.h (htm_available, htm_init, htm_begin_success,
481 htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
482 * configure.tgt: Add -mrtm to XCFLAGS.
483 * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
484 (gtm_thread::serialirr_mode): Add HTM fastpath handling.
485 * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
486 * retry.cc (parse_default_method): Add HTM method parsing.
487 (gtm_thread::number_of_threads_changed): Use HTM by default if
490 2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
492 * configure: Regenerate.
494 2012-10-31 Richard Henderson <rth@redhat.com>
496 * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
497 * configure.ac: Use it.
498 * config.h.in, configure: Rebuild.
499 * testsuite/Makefile.in: Rebuild.
501 2012-10-24 Torvald Riegel <triegel@redhat.com>
503 * libitm.texi: Clarify ABI requirements for data-logging functions.
505 2012-10-24 Torvald Riegel <triegel@redhat.com>
507 * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
508 it requires serial mode instead of assuming that for certain
510 * dispatch.h (abi_dispatch::requires_serial): New.
511 (abi_dispatch::abi_dispatch): Adapt.
512 * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
513 * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
514 * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
515 serial_dispatch::serial_dispatch,
516 serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
518 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
520 * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
521 and ia32 declarations some more.
522 * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
524 2012-09-20 Jakub Jelinek <jakub@redhat.com>
527 * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
528 * configure: Regenerate.
529 * Makefile.in: Regenerate.
531 2012-09-14 David Edelsohn <dje.gcc@gmail.com>
533 * configure: Regenerated.
535 2012-07-31 Uros Bizjak <ubizjak@gmail.com>
537 * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
539 2012-05-21 Patrick Marlier <patrick.marlier@gmail.com>
541 * eh_cpp.cc: Fix __cxa_end_catch declaration.
543 2012-05-16 H.J. Lu <hongjiu.lu@intel.com>
545 * configure: Regenerated.
547 2012-04-04 H.J. Lu <hongjiu.lu@intel.com>
550 * config/x86/target.h (gtm_jmpbuf): Replace long with long long
553 2012-04-03 Tristan Gingold <gingold@adacore.com>
555 * configure: Regenerate.
557 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
560 * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
562 2012-03-16 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
564 * testsuite/lib/libitm.exp: load fortran-modules.exp
566 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
568 * configure.tgt (*-*-irix6*): Remove.
570 2012-03-13 Torvald Riegel <triegel@redhat.com>
573 * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
576 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
578 * configure.tgt (*-*-osf*): Remove.
579 * configure: Regenerate.
581 2012-03-05 Torvald Riegel <triegel@redhat.com>
583 * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
584 memtransfer/memset if size isn't larger than zero.
586 2012-03-02 Torvald Riegel <triegel@redhat.com>
588 * libitm.texi: Link to specification and add a usage example.
590 2012-02-24 Torvald Riegel <triegel@redhat.com>
592 * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
593 default dispatch for more than 1 thread to ml_wt.
595 2012-02-20 Torvald Riegel <triegel@redhat.com>
597 * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
599 2012-02-20 Torvald Riegel <triegel@redhat.com>
601 * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
603 2012-02-20 Torvald Riegel <triegel@redhat.com>
605 * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
606 serial mode corner cases made obsolete by prior gtm_rwlock changes.
607 (gl_wt_dispatch.rollback): Same.
609 2012-02-20 Torvald Riegel <triegel@redhat.com>
611 * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
613 2012-02-20 Torvald Riegel <triegel@redhat.com>
615 * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
616 for RfW src. Optimize number of calls to gtm_thr.
618 2012-02-20 Torvald Riegel <triegel@redhat.com>
620 * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
622 * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
623 (default_dispatch): Make atomic.
624 (GTM::gtm_thread::set_default_dispatch): Access atomically.
625 (GTM::gtm_thread::decide_retry_strategy): Access atomically and
626 use decide_begin_dispatch() if default_dispatch might have changed.
627 (GTM::gtm_thread::number_of_threads_changed): Initialize
628 default_dispatch here.
630 2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
631 Patrick Marlier <patrick.marlier@gmail.com>
634 * alloc_cpp.cc: No dummy definitions for darwin.
635 * eh_cpp.cc: Likewise.
637 2012-02-14 Richard Henderson <rth@redhat.com>
639 * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
641 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
643 * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
645 2012-02-14 Torvald Riegel <triegel@redhat.com>
647 * libitm_i.h (GTM::gtm_rwlog_entry): New.
648 (GTM::gtm_thread): Add read and write logs.
649 (GTM::dispatch_ml_wt): Declare.
650 * retry.cc (parse_default_method): Support ml_wt.
651 * method-ml.cc: New file.
652 * Makefile.am: Add method-ml.cc.
653 * Makefile.in: Regenerate.
655 2012-02-14 Torvald Riegel <triegel@redhat.com>
657 * dispatch.h (GTM::abi_dispatch::supports): New.
658 (GTM::method_group::reinit): New.
659 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
660 (GTM::gtm_thread::number_of_threads_changed): Check that the method
661 supports the current situation.
663 2012-02-14 Torvald Riegel <triegel@redhat.com>
665 * util.cc (GTM::xcalloc): New.
666 * common.h (GTM::xcalloc): Declare.
668 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
670 * config/sparc/target.h (cpu_relax): Read from CC register.
671 * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
673 2012-02-14 Uros Bizjak <ubizjak@gmail.com>
675 * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
677 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
679 * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
680 * config/sparc/cacheline.h: New file.
681 * config/sparc/target.h: Likewise.
682 * config/sparc/sjlj.S: Likewise.
683 * config/linux/sparc/futex_bits.h: Likewise.
685 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
687 * configure.ac (link_itm): Fix comment.
688 * configure: Regenerate.
689 * testsuite/lib/libitm.exp: Do not pass -litm for the link.
691 2012-01-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
694 * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
695 Correct libgomp references.
697 2012-01-24 Torvald Riegel <triegel@redhat.com>
699 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
702 2012-01-24 Uros Bizjak <ubizjak@gmail.com>
704 * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
706 * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
707 offset values. Do not copy return address. Decrement stack
709 (GTM_longjump) [__x86_64__]: Update offset values.
711 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
714 * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
715 the first function argument to %eax.
717 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
719 * libitm.h (_ITM_getThreadnum): Remove.
720 * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
722 2012-01-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
724 * clearcap.map: New file.
725 * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
726 * configure.ac: Call it.
727 Clear HWCAP_LDFLAGS if defaulting to -mavx.
728 * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
729 * configure: Regenerate.
730 * Makefile.in: Regenerate.
731 * testsuite/Makefile.in: Regenerate.
733 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
736 * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
737 include, exclude options.
739 2012-01-14 Torvald Riegel <triegel@redhat.com>
741 * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
743 * containers.h (GTM::vector::set_size): New.
745 2012-01-14 Torvald Riegel <triegel@redhat.com>
748 * config/generic/tls.h (GTM::mask_stack_top): New.
749 (GTM::mask_stack_bottom): Declare.
750 * config/generic/tls.c (GTM::mask_stack_bottom): New.
751 * local.cc (gtm_undolog::rollback): Filter out any updates that
752 overlap the libitm stack. Add current transaction as parameter.
753 * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
754 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
755 * testsuite/libitm.c/stackundo.c: New test.
757 2012-01-10 Richard Henderson <rth@redhat.com>
759 * libitm_i.h (_Unwind_DeleteException): Declare weak.
760 * eh_cpp.cc (_Unwind_DeleteException): Define for
761 !HAVE_ELF_STYLE_WEAKREF.
763 2012-01-08 Torvald Riegel <triegel@redhat.com>
765 * local.cc (GTM_LB): Use GTM::gtm_undolog.
766 (GTM::gtm_thread::drop_references_undolog): Remove.
767 (GTM::gtm_thread::commit_undolog,
768 GTM::gtm_thread::rollback_undolog): Move to ...
769 * libitm_i.h (GTM::gtm_undolog): ...here. New.
770 (GTM::gtm_undolog_entry): Remove.
771 (GTM::gtm_thread): Adapt.
772 * beginend.cc (GTM::gtm_thread::rollback): Adapt.
773 (GTM::gtm_thread::trycommit): Adapt.
774 * method-serial.cc (serial_dispatch::log): Adapt.
775 * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
776 (gl_wt_dispatch::store): Fix likely/unlikely.
777 * containers.h (GTM::vector::resize): Add additional_capacity
778 parameter and handle it.
779 (GTM::vector::resize_noinline): New/adapt.
780 (GTM::vector::push): New.
782 2012-01-06 Richard Henderson <rth@redhat.com>
784 * configure.tgt: Support powerpc-linux and powerpc-darwin.
785 * config/linux/powerpc/futex_bits.h: New file.
786 * config/powerpc/cacheline.h: New file.
787 * config/powerpc/sjlj.S: New file.
788 * config/powerpc/target.h: New file.
789 * config/generic/asmcfi.h (cfi_offset): New.
790 (cfi_restore, cfi_undefined): New.
792 2012-01-05 Aldy Hernandez <aldyh@redhat.com>
795 * testsuite/libitm.c/reentrant.c: Remove xfail.
796 (thread): Pass x to pure().
797 From Patrik Marlier <patrick.marlier@gmail.com>.
799 2011-12-24 Torvald Riegel <triegel@redhat.com>
801 * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
802 privatization safety if already in serial mode.
804 2011-12-24 Torvald Riegel <triegel@redhat.com>
806 * beginend.cc (GTM::gtm_thread::restart): Add and handle
807 finish_serial_upgrade parameter.
808 * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
809 * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
810 Don't unset reader flag.
811 (GTM::gtm_rwlock::write_upgrade_finish): New.
812 * config/posix/rwlock.cc: Same.
813 * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
815 * config/posix/rwlock.h: Same.
816 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
817 flag after commit or after rollback when restarting.
819 2011-12-24 Torvald Riegel <triegel@redhat.com>
821 * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
822 (GTM::gtm_thread::try_commit): Changed memory order.
823 * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
825 * config/linux/x86/futex_bits.h (sys_futex0): Same.
826 * config/linux/sh/futex_bits.h (sys_futex0): Same.
827 * config/linux/futex_bits.h (sys_futex0): Same.
828 * config/linux/futex.cc (futex_wait, futex_wake): Same.
829 * config/linux/futex.h (futex_wait, futex_wake): Same.
830 * config/linux/rwlock.h (gtm_rwlock::writers,
831 gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
833 * config/linux/rwlock.cc (gtm_rwlock::read_lock,
834 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
835 gtm_rwlock::write_unlock): Fix memory orders and fences.
836 * config/posix/rwlock.cc (gtm_rwlock::read_lock,
837 gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
838 gtm_rwlock::write_unlock): Same.
839 * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
840 * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
841 gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
843 (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
844 gl_wt_dispatch::load, gl_wt_dispatch::store,
845 gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
846 orders and fences. Add comments.
848 2011-12-21 Jakub Jelinek <jakub@redhat.com>
850 * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
851 * Makefile.in: Regenerated.
853 2011-12-17 Kaz Kojima <kkojima@gcc.gnu.org>
855 * configure.tgt: Add sh* case.
856 * config/sh/target.h: New file.
857 * config/sh/sjlj.S: New file.
858 * config/linux/sh/futex_bits.h: New file.
860 2011-12-14 Richard Henderson <rth@redhat.com>
862 * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
863 * config/arm/sjlj.S, config/arm/target.h: New files.
864 * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
865 (cfi_rel_offset): New.
866 * config/linux/futex_bits.h: New file.
867 * config/linux/futex.cc: Include futex_bits.h here...
868 * config/linux/futex.h: ... not here.
869 * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
870 * configure.ac (ARCH_AM): New conditional.
871 * Makefile.in, configure: Rebuild.
872 * configure.tgt: Handle ARM.
874 2011-12-13 Richard Henderson <rth@redhat.com>
876 * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
877 signed/unsigned comparison werror.
879 * local_atomic: New file.
880 * libitm_i.h: Include it.
881 (gtm_thread::shared_state): Use atomic template.
882 * beginend.cc (GTM::gtm_clock): Use atomic template.
883 (global_tid): Use atomic template if 64-bit atomics available.
884 (gtm_thread::gtm_thread): Update shared_state access.
885 (gtm_thread::trycommit): Likewise.
886 (choose_code_path): Update global_tid access.
887 * method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
888 * stmlock.h (GTM::gtm_clock): Use atomic template.
889 (gtm_get_clock, gtm_inc_clock): Update accesses.
890 * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
891 redundant __sync_synchronize after atomic shared_state access.
892 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
893 (gtm_rwlock::write_lock_generic): Likewise.
894 (gtm_rwlock::read_unlock): Likewise.
895 * config/alpha/target.h (atomic_read_barrier): Remove.
896 (atomic_write_barrier): Remove.
897 * config/x86/target.h (atomic_read_barrier): Remove.
898 (atomic_write_barrier): Remove.
900 2011-11-30 Richard Henderson <rth@redhat.com>
902 * libitm_i.h (GTM_longjmp): Swap first and second arguments.
903 * beginend.c (_ITM_abortTransaction): Update to match.
904 (GTM::gtm_thread::restart): Likewise.
905 * config/alpha/sjlj.S (GTM_longjmp): Likewise.
906 * config/x86/sjlj.S (GTM_longjmp): Likewise.
908 2011-11-23 Iain Sandoe <iains@gcc.gnu.org>
910 * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
911 * Makefile.in: Regenerate.
913 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
915 * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
916 * alloc_cpp.cc: Generate dummy functions if we don't
917 HAVE_ELF_STYLE_WEAKREF.
918 * eh_cpp.cc: Likewise.
919 * configure: Regenerate.
920 * aclocal.m4: Likewise.
921 * config.h.in: Likewise.
922 * Makefile.in: Likewise.
923 * testsuite/Makefile.in: Likewise.
925 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
927 * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
928 __USER_LABEL_PREFIX__ for targets that use it.
929 (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
930 (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
931 in portability to non-elf targets.
932 (GTM_longjmp): Likewise.
933 * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
936 2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
938 * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
939 * testsuite/libitm.c/memset-1.c: Likewise.
941 2011-11-21 Andreas Tobler <andreast@fgznet.ch>
943 * configure: Regenerate.
945 2011-11-21 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
947 * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
948 (LIBITM_ENABLE_SYMVERS): Handle sun style.
949 * Makefile.am: Handle sun style versioning.
950 (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
951 * configure: Regenerate.
952 * Makefile.in: Regenerate.
954 2011-11-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
956 * config/generic/asmcfi.h: Fix comment.
957 * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
958 sequence without .hidden support, error for non-ELF targets.
959 (GTM_longjmp) [__ELF__]: Only use .hidden if
960 HAVE_ATTRIBUTE_VISIBILITY.
962 2011-11-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
964 * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
965 _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
967 * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
968 __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
970 2011-11-16 Uros Bizjak <ubizjak@gmail.com>
973 * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
974 * configure: Regenerate.
976 2011-11-14 H.J. Lu <hongjiu.lu@intel.com>
978 * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
980 2011-11-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
982 * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
984 (.note.GNU-stack): Only use if __linux__.
985 * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
986 * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
987 * testsuite/libitm.c/reentrant.c: Likewise.
988 * testsuite/libitm.c/simple-2.c: Likewise.
989 * testsuite/libitm.c/txrelease.c: Likewise.
990 * testsuite/libitm.c++/static_ctor.C: Likewise.
992 2011-11-10 Richard Henderson <rth@redhat.com>
994 * config/x86/x86_avx.cc: Remove #undef __AVX__ hack. Tidy comments.
995 * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
996 * configure.ac (ARCH_X86_AVX): New conditional.
997 * Makefile.in, configure: Rebuild.
999 2011-11-09 Richard Henderson <rth@redhat.com>
1001 * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1002 * configure.ac: Use it.
1003 * config.h.in, configure: Rebuild.
1004 * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1006 2011-11-09 Richard Henderson <rth@redhat.com>
1008 * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1009 * config/alpha/unaligned.h: Remove file.
1010 * config/generic/unaligned.h: Remove file.
1011 * config/x86/unaligned.h: Remove file.
1012 * config/generic/cachepage.h: Remove file.
1013 * config/posix/cachepage.cc: Remove file.
1014 * config/generic/cacheline.cc: Remove file.
1015 * config/x86/cacheline.cc: Remove file.
1016 * config/generic/cacheline.h (gtm_cacheline): Remove the
1017 store_mask, copy_mask, copy_mask_wb methods.
1018 * config/x86/cacheline.h: Likewise.
1019 * config/alpha/cacheline.h: Fall back to generic after setting size.
1020 * config/generic/tls.cc (gtm_mask_stack): Remove.
1021 * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1022 (GTM_vpalignr_table): Remove.
1023 * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1024 (GTM_pshift_table): Remove.
1025 * config/libitm_i.h: Don't include cachepage.h.
1026 * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1027 * Makefile.in, testsuite/Makefile.in: Rebuild.
1029 2011-11-09 Richard Henderson <rth@redhat.com>
1031 * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1032 to emit branch prediction hint.
1034 * config/x86/sjlj.S: Protect elf directives with __ELF__.
1035 Protect .note.GNU-stack with __linux__.
1037 * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1038 * configure, aclocal.m4, config.h.in: Rebuild.
1039 * config/generic/asmcfi.h: New file.
1040 * config/x86/sjlj.S: Use it.
1042 2011-11-08 Richard Henderson <rth@redhat.com>
1044 * local.cc (_ITM_LB): Use a normal call, not a function alias.
1046 2011-11-08 Richard Henderson <rth@redhat.com>
1048 * configure.tgt: Test correct directory for supported cpus.
1050 * configure.ac: Exit if unsupported.
1051 * configure: Rebuild.
1052 * configure.tgt: Delete boilerplate from libgomp for unsupported
1053 targets. Set UNSUPPORTED for unsupported targets.
1055 2011-11-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1057 * configure.tgt: Handle i386 like i[456]86.
1058 * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1060 * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1061 !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1063 2011-11-05 Aldy Hernandez <aldyh@redhat.com>
1065 * method-wbetl.cc: Update copyright notice.
1071 * barrier.tpl: Same.
1072 * useraction.cc: Same.
1076 * config/generic/tls.cc: Same.
1077 * config/generic/cacheline.h: Same.
1078 * config/generic/cachepage.h: Same.
1079 * config/generic/cacheline.cc: Same.
1080 * config/generic/unaligned.h: Same.
1081 * config/x86/cacheline.h: Same.
1082 * config/x86/cacheline.cc: Same.
1083 * config/x86/unaligned.h: Same.
1084 * config/alpha/cacheline.h: Same.
1085 * config/alpha/unaligned.h: Same.
1086 * config/alpha/sjlj.S: Same.
1087 * config/posix/cachepage.cc: Same.
1088 * config/linux/futex.h: Same.
1089 * config/linux/alpha/futex_bits.h: Same.
1091 2011-11-04 Torvald Riegel <triegel@redhat.com>
1093 * libitm.texi: No cover text and invariant sections.
1095 2011-11-03 Richard Henderson <rth@redhat.com>
1097 * local_type_traits: New file.
1098 * libitm_i.h: Use it. Use C headers, not C++ wrappers.
1100 2011-11-03 Richard Henderson <rth@redhat.com>
1102 * configure.ac: Don't test for gfortran.
1103 * configure: Rebuild.
1105 * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1106 * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1108 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1110 * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1111 * testsuite/libitm.c/memset-1.c: Same.
1112 * testsuite/libitm.c/c.exp: Same.
1113 * testsuite/lib/libitm-dg.exp: Same.
1114 * testsuite/lib/libitm.exp: Same.
1115 * testsuite/libitm.c++/c++.exp: Same.
1117 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1119 * testsuite/config/default.exp: Update copyright date.
1120 * configure.ac: Add copyright info.
1121 * configure.tgt: Same.
1123 2011-11-03 Aldy Hernandez <aldyh@redhat.com>
1125 * testsuite/libitm.c/reentrant.c: XFAIL.
1126 * testsuite/libitm.c++/static_ctor.C: XFAIL.
1128 2011-10-29 Torvald Riegel <triegel@redhat.com>
1130 * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1132 (_ITM_abortTransaction): Handle aborts of outer transactions.
1134 * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1135 * libitm.texi: Document aborts of outer transactions.
1136 * testsuite/libitm.c/cancel.c: New file.
1138 2011-10-19 Torvald Riegel <triegel@redhat.com>
1140 * testsuite/*: Change __transaction to __transaction_atomic or
1141 __transaction_relaxed.
1143 2011-10-19 Torvald Riegel <triegel@redhat.com>
1145 * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1148 2011-10-19 Torvald Riegel <triegel@redhat.com>
1150 * libitm_i.h: Add gl_wt dispatch.
1151 * retry.cc (parse_default_method): Same.
1152 * method-gl.cc: New file.
1153 * Makefile.am: Use method-gl.cc.
1154 * Makefile.in: Rebuild.
1156 2011-10-19 Torvald Riegel <triegel@redhat.com>
1158 * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1159 safety if requested by a TM method.
1160 * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1161 privatization safety.
1162 * method-serial.cc: Same.
1164 2011-10-19 Torvald Riegel <triegel@redhat.com>
1166 * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1167 (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1168 undolog-related member functions from *_local to *_undolog.
1169 * local.cc (gtm_thread::commit_undolog): Same.
1170 * beginend.cc (GTM::gtm_thread::trycommit): Same.
1171 (GTM::gtm_thread::rollback): Roll back undolog before
1172 dispatch-specific rollback.
1174 2011-10-19 Torvald Riegel <triegel@redhat.com>
1176 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1177 re-initialization of the current method group.
1178 * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1180 2011-10-19 Torvald Riegel <triegel@redhat.com>
1182 * alloc.cc (commit_allocations_2): Do not free transaction-local
1183 memory when committing a nested transaction.
1185 2011-10-19 Torvald Riegel <triegel@redhat.com>
1187 * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1188 serial-irrevocable dispatch, not serial.
1190 2011-10-19 Torvald Riegel <triegel@redhat.com>
1192 * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1194 * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1195 * method-serial.cc: Implement begin_or_restart().
1196 * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1197 dispatch-specific begin_or_restart().
1198 (GTM::gtm_thread::restart): Same.
1200 2011-08-23 Torvald Riegel <triegel@redhat.com>
1202 * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1203 restarting without switching to serial mode.
1204 (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1205 transaction state. Choose closed-nesting alternative if available.
1206 (GTM::gtm_thread::set_default_dispatch): New.
1207 (parse_default_method): New.
1208 (GTM::gtm_thread::number_of_threads_changed): New.
1209 * method-serial.cc (GTM::serial_mg): New method group class.
1210 (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1212 (GTM::serial_dispatch): Same.
1213 (GTM::serialirr_onwrite_dispatch): Same.
1214 (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1215 * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1217 (GTM::gtm_thread::gtm_thread): Same.
1218 (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1219 (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1220 (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1221 choose dispatch but set state according to dispatch here.
1222 * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1223 (GTM::method_group): New class.
1224 (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1225 * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1226 * libitm.texi: Document TM methods, method groups, method life cycle.
1227 Rename method sets to method groups.
1229 2011-08-23 Torvald Riegel <triegel@redhat.com>
1231 * config/x86/tls.h: Moved to ...
1232 * config/linux/x86/tls.h: ... here.
1234 2011-08-23 Torvald Riegel <triegel@redhat.com>
1236 * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1238 * config/x86/sjlj.S: Same.
1240 2011-08-19 Torvald Riegel <triegel@redhat.com>
1242 * config/linux/rwlock.h: New file.
1243 * config/linux/rwlock.c: New file.
1244 * configure.ac: Reenable futex support (undo SVN rev 157758).
1245 * Makefile.am: Same.
1246 * configure.tgt: Same.
1247 * config/linux/alpha/futex_bits.h: Same.
1248 * config/linux/futex.h: Same. Return number of woken processes.
1249 * config/linux/futex.cc: Same.
1250 (futex_wait): Remove spinning.
1251 * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1252 Use __x86_64__ instead of __LP64__.
1253 * aclocal.m4: Include generic futex checks.
1254 * configure: Rebuild.
1255 * Makefile.in: Rebuild.
1256 * testsuite/Makefile.in: Rebuild.
1257 * beginend.cc: Include pthread.h.
1258 * config/posix/cachepage.cc: Same.
1260 2011-08-12 Torvald Riegel <triegel@redhat.com>
1262 * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1263 (abi_disp, set_abi_disp): Move to tx's TLS slot.
1265 * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1267 (GTM::gtm_thread::thread_num): Removed.
1268 (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1269 * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1270 tx-to-thread renaming.
1271 * beginend.cc: Adapted to tx-to-thread renaming.
1272 (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1273 (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1274 * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1275 gtm_transaction to gtm_thread.
1276 (_ITM_getThreadnum): Removed. Not supported anymore.
1277 * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1278 * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1279 * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1280 gtm_tx-to-gtm_thr renaming if necessary.
1287 * alloc_cpp.cc: Same.
1288 * method-serial.cc: Same.
1289 * config/generic/tls.cc: Same.
1290 * config/posix/rwlock.h (gtm_rwlock): Same.
1291 * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1293 2011-08-12 Torvald Riegel <triegel@redhat.com>
1295 * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1297 (gtm_rwlock::read_unlock): Same.
1298 (gtm_rwlock::write_lock_generic): New. Generalized from ...
1299 (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1300 * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1301 * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1302 w_upgrade. Replaced by per-transaction flags (in shared_state).
1303 Added c_confirmed_writers.
1304 (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1305 GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1306 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1307 * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1308 * beginend.cc (GTM::gtm_transaction::begin_transaction,
1309 _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1310 * libitm.texi: Document locking conventions and implementations in
1313 2011-08-12 Torvald Riegel <triegel@redhat.com>
1315 * libitm_i.h (next_tx): Add list of all threads' transaction.
1316 * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1317 transaction with list of transactions and ...
1318 (thread_exit_handler): ... deregister here.
1319 * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1320 * config/x86/target.h: Same.
1322 2011-08-12 Torvald Riegel <triegel@redhat.com>
1324 * testsuite/libitm.c++/static_ctor.C: New file.
1326 2011-08-12 Torvald Riegel <triegel@redhat.com>
1328 * testsuite/libitm.c/reentrant.c: New file.
1330 2011-08-12 Torvald Riegel <triegel@redhat.com>
1332 * config/generic/tls.h: Remove the free list for transactions and ...
1333 * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1334 (GTM::gtm_transaction::operator delete): ... and release here.
1335 (thread_exit_handler): New. Delete tx when thread terminates.
1336 (thread_exit_init): New.
1337 (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1338 * testsuite/libitm.c/txrelease.c: New file.
1340 2011-08-12 Torvald Riegel <triegel@redhat.com>
1342 * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1343 * testsuite/libitm.c/notx.c: New file.
1345 2011-08-12 Torvald Riegel <triegel@redhat.com>
1347 * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1348 * libitm_i.h (local_tid): ... to here.
1349 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1350 (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1352 2011-08-12 Torvald Riegel <triegel@redhat.com>
1354 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1355 serialirr_onwrite_dispatch as new default for now.
1356 * method-serial.cc (serialirr_onwrite_dispatch): New.
1357 (GTM::dispatch_serialirr_onwrite): New.
1360 2011-08-12 Torvald Riegel <triegel@redhat.com>
1362 * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1363 * query.cc (_ITM_getTransactionId): There is no active transaction if
1364 the current nesting level is zero.
1366 2011-07-28 Torvald Riegel <triegel@redhat.com>
1368 * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1371 2011-07-28 Torvald Riegel <triegel@redhat.com>
1373 * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1374 transaction properties from the caller instead of from the
1377 * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1379 2011-07-28 Torvald Riegel <triegel@redhat.com>
1381 * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1382 * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1384 * method-serial.cc: Same.
1385 * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1386 flat nesting as default, and closed nesting on demand.
1387 (GTM::gtm_transaction::rollback): Same.
1388 (_ITM_abortTransaction): Same.
1389 (GTM::gtm_transaction::restart): Same.
1390 (GTM::gtm_transaction::trycommit): Same.
1391 (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1392 (choose_code_path): New.
1393 (GTM::gtm_transaction_cp::save): New.
1394 (GTM::gtm_transaction_cp::commit): New.
1395 * query.cc (_ITM_inTransaction): Support flat nesting.
1396 * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1397 (GTM::gtm_transaction): Support flat and closed nesting.
1398 * alloc.cc (commit_allocations_2): New.
1399 (commit_cb_data): New helper struct.
1400 (GTM::gtm_transaction::commit_allocations): Handle nested
1402 * libitm.texi: Update user action section, add description of nesting.
1404 2011-07-28 Torvald Riegel <triegel@redhat.com>
1406 * libitm_i.h: Add closed nesting as restart reason.
1407 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1409 2011-07-28 Torvald Riegel <triegel@redhat.com>
1411 * useraction.cc: Use vector instead of list to store actions.
1412 Also support partial rollbacks for closed nesting.
1413 * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1414 * beginend.cc: Same.
1416 2011-07-28 Torvald Riegel <triegel@redhat.com>
1418 * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1419 closed_nesting flags, as well as a closed nesting alternative.
1420 * method-serial.cc: Same.
1421 (serial_dispatch): Renamed to serialirr_dispatch.
1422 (GTM::dispatch_serialirr): Same.
1423 (serial_dispatch_ul): Renamed to serial_dispatch.
1424 (GTM::dispatch_serial): Same.
1426 2011-07-28 Torvald Riegel <triegel@redhat.com>
1428 * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1430 2011-07-28 Torvald Riegel <triegel@redhat.com>
1432 * aatree.h (aa_tree::remove): New.
1433 (aa_tree::operator new): Add placement new.
1435 2011-07-02 Torvald Riegel <triegel@redhat.com>
1437 * containers.h: New file.
1438 * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1439 * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1440 * common.h: ... to here.
1441 (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1444 2011-06-30 Torvald Riegel <triegel@redhat.com>
1446 * libitm_i.h (STATE_ABORTING): Remove.
1447 * beginend.cc (_ITM_abortTransaction): Same.
1448 (GTM::gtm_transaction::trycommit_and_finalize): Same.
1449 * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1450 (_ITM_rollbackTransaction): Remove.
1451 * beginend.cc: Same.
1453 * libitm.texi: Document these ABI changes.
1455 2011-06-30 Torvald Riegel <triegel@redhat.com>
1457 * libitm.texi: New file.
1458 * Makefile.am: Add libitm.texi.
1459 * Makefile.in: Rebuild.
1461 2011-06-30 Torvald Riegel <triegel@redhat.com>
1463 * libitm_i.h: Move parts to common.h and dispatch.h.
1464 * common.h: New file.
1465 * dispatch.h: New file, new dispatch class.
1466 Rename GTM::abi_dispatch::lock_type to ls_modifier.
1467 RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1468 * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1469 decision to retry.cc.
1470 * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1472 (GTM::gtm_transaction::decide_begin_dispatch): Same.
1473 * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1475 * barrier.cc: Use new barriers definitions.
1476 (abi_dispatch::memmove_overlap_check): New.
1477 * config/x86/x86_sse.cc: Same.
1478 * config/x86/x86_avx.cc: Same.
1479 * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1481 * Makefile.in: Rebuild.
1482 * method-readonly.cc: Remove.
1483 * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1484 Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1486 2011-06-30 Torvald Riegel <triegel@redhat.com>
1488 * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1489 * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1490 * testsuite/libitm.c/dropref-2.c: Same.
1491 * testsuite/libitm.c/dropref.c: Same.
1493 2011-06-30 Torvald Riegel <triegel@redhat.com>
1495 * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1496 * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1497 * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1499 * barrier.tpl: Same.
1501 * config/generic/tls.h: Same.
1502 * config/x86/tls.h: Same.
1506 * method-readonly.cc: Same.
1507 * method-serial.cc: Same.
1508 * method-wbetl.cc: Same.
1511 2011-03-03 Richard Henderson <rth@redhat.com>
1513 * config/posix/rwlock.cc (write_upgrade): Add missing case.
1514 From Patrik Marlier <patrick.marlier@unine.ch>.
1516 2011-02-03 Richard Henderson <rth@redhat.com>
1518 * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1519 * configure.ac: Use it.
1520 * configure, config.h.in: Rebuild.
1521 * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1522 (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1523 _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1524 * libitm.map: Use wildcards to match size_t mangling.
1526 2010-12-14 Richard Henderson <rth@redhat.com>
1528 * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1529 blocks of TIDs per thread.
1530 * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1531 (setup_gtm_thr): Return the thread structure.
1532 * config/x86/tls.h (setup_gtm_thr): Likewise.
1534 2010-12-14 Richard Henderson <rth@redhat.com>
1536 * clone.cc (table_lock): Remove.
1537 (find_clone): Don't take it.
1538 (ExcludeTransaction): New helper class.
1539 (_ITM_registerTMCloneTable): Use it.
1540 (_ITM_deregisterTMCloneTable): Likewise.
1542 2010-12-14 Richard Henderson <rth@redhat.com>
1544 * config/x86/tls.h: New file.
1546 2010-07-15 Richard Henderson <rth@redhat.com>
1548 * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1549 * Makefile.in: Rebuild.
1551 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1553 * method-wbetl.cc (trydropreference): Fix source line.
1555 2010-07-13 Aldy Hernandez <aldyh@redhat.com>
1557 * libitm.h: Add comment.
1558 * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1560 2010-07-07 Aldy Hernandez <aldyh@redhat.com>
1562 * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1563 * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1564 available, use pthread mutexes.
1565 * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1566 * config.h.in: Regenerate.
1567 * configure: Regenerate.
1569 2010-07-06 Aldy Hernandez <aldyh@redhat.com>
1571 * libitm.h (ITM_PURE): Define.
1572 Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1574 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1576 * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1577 (validate): Add comment.
1578 (trydropreference): New.
1579 * method-readonly.cc (class readonly_dispatch): Add
1581 * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1582 Call trydropreference().
1583 * libitm.h (_ITM_dropReferences): Remove const attribute.
1584 * method-serial.cc (class serial_dispatch): Add trydropreference.
1585 * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1587 2010-06-28 Aldy Hernandez <aldyh@redhat.com>
1589 * memcpy.cc (do_memcpy): Comment.
1591 2010-06-25 Aldy Hernandez <aldyh@redhat.com>
1593 * barrier.tpl: Add comments throughout.
1595 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1597 * method-wbetl.cc (struct w_entry): Add comments.
1601 2010-06-24 Aldy Hernandez <aldyh@redhat.com>
1603 * alloc_c.cc (_ITM_dropReferences): New.
1604 * libitm.map (_ITM_dropReferences): Add.
1605 * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1606 * libitm_i.h (struct gtm_transaction): Declare
1607 drop_references_allocations and drop_references_local.
1608 * local.cc (rollback_local): Ignore memory when applicable.
1609 (drop_references_local): New.
1611 2010-06-23 Richard Henderson <rth@redhat.com>
1613 * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1614 memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1615 * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1616 * config/alpha/target.h: Likewise.
1617 * config/generic/tls.cc (gtm_mask_stack): Use it.
1619 2010-06-23 Richard Henderson <rth@redhat.com>
1621 * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1622 a mutex instead of trying a lock-free compare-and-swap on the list.
1623 (gtm_cacheline_page::operator delete): Likewise.
1625 2010-06-16 Richard Henderson <rth@redhat.com>
1627 * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1628 that overlap the libitm stack.
1629 * barrier.tpl: Mark incoming stack.
1630 * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1631 _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1632 * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1633 * memcpy.cc, memset.cc: Likewise.
1634 * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1635 * config/generic/tls.h (gtm_thread): Add stack_top member.
1636 (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1637 * libitm_i.h (gtm_mask_stack): Declare.
1638 * config/generic/tls.cc: New file.
1639 * Makefile.am (libitm_la_SOURCES): Add it.
1640 (AM_CXXFLAGS): Turn off exceptions.
1641 * Makefile.in: Rebuild.
1643 2010-06-16 Richard Henderson <rth@redhat.com>
1645 * alloc.cc (struct gtm_alloc_action): Move definition ...
1646 * libitm_i.h: ... here.
1647 (class gtm_transaction): Declare new and delete.
1648 * beginend.cc (alloc_tx): Reformulate as operator new.
1649 (free_tx): Reformulate as operator delete.
1650 * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1652 2010-06-11 Richard Henderson <rth@redhat.com>
1654 * clone.cc (clone_entry_compare): Fix typo.
1655 From Patrik Marlier <patrick.marlier@unine.ch>.
1657 2010-05-13 Richard Henderson <rth@redhat.com>
1659 * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1662 2010-05-07 Aldy Hernandez <aldyh@redhat.com>
1664 * libitm_i.h (struct gtm_transaction): Remove
1665 get_allocation_size.
1666 (record_allocation): Remove size parameter.
1667 * libitm.map (_ITM_realloc): Remove.
1668 * alloc_c.cc (_ITM_realloc): Remove.
1669 (_ITM_malloc): Remove size argument to record_allocation.
1670 (_ITM_calloc): Same.
1671 * alloc_cpp.cc (_ZGTtnwm): Same.
1672 (_ZGTtnwmRKSt9nothrow_t): Same.
1674 (_ZGTtnamRKSt9nothrow_t): Same.
1675 * alloc.cc (struct gtm_alloc_action): Remove size.
1676 (get_allocation_size): Remove.
1677 (commit_allocations): Add comment.
1678 (record_allocation): Remove size parameter.
1679 (forget_allocation): Remove set of size.
1681 2010-04-19 Aldy Hernandez <aldyh@redhat.com>
1683 * Makefile.am (abi_version): New.
1684 (AM_CXXFLAGS): Pass abi_version.
1685 * Makefile.in: Regenerate.
1686 * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1688 2010-04-06 Aldy Hernandez <aldyh@redhat.com>
1690 * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1691 _ITM_getTMCloneOrIrrevokable.
1692 * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1693 * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1695 2010-03-26 Aldy Hernandez <aldyh@redhat.com>
1697 * configure.ac: Remove Linux futex support.
1698 * configure.tgt (config_path): Same.
1699 * Makefile.am: Same.
1700 * config/linux: Remove entire directory.
1701 * configure: Rebuild.
1702 * Makefile.in: Rebuild.
1703 * testsuite/Makefile.in: Rebuild.
1705 2010-03-09 Aldy Hernandez <aldyh@redhat.com>
1707 * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1708 switching to serial mode.
1709 * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1711 2010-03-03 Aldy Hernandez <aldyh@redhat.com>
1713 * configure.tgt: Add emacs -*- tags.
1714 * barrier.tpl: Same.
1716 2010-02-23 Aldy Hernandez <aldyh@redhat.com>
1718 * Makefile.am: Rename serial.cc to method-serial.cc.
1719 * Makefile.in: Regenerate with automake 1.11.1.
1720 * testsuite/Makefile.in: Same.
1721 * aclocal.m4: Regenerate with aclocal 1.11.1.
1722 * method-serial.cc: Rename from serial.cc.
1723 * libitm_i.h (struct gtm_transaction): Update comment on
1726 2010-02-22 Aldy Hernandez <aldyh@redhat.com>
1728 * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1729 * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1731 2010-02-11 Aldy Hernandez <aldyh@redhat.com>
1733 * configure: Rebuild.
1735 2009-11-12 Richard Henderson <rth@redhat.com>
1737 * Rewrite everything in C++.
1739 2009-11-03 Richard Henderson <rth@redhat.com>
1741 * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1742 * Makefile.am (libitm_la_SOURCES): Add them.
1743 * configure.ac (ARCH_X86): New conditional.
1744 * Makefile.in, configure: Rebuild.
1745 * configure.tgt: Set up ARCH; do cflags setup at the same time.
1746 Move futex setup into "other system configury" case.
1747 * local.c (rollback_local): Merge into ...
1748 (GTM_rollback_local): ... here.
1749 (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1750 (_ITM_LB): Define as an alias to GTM_LB.
1752 2009-11-03 Richard Henderson <rth@redhat.com>
1754 * method-readonly.c: New file.
1755 * Makefile.am (libitm_la_SOURCES): Add it.
1756 * Makefile.in: Rebuild.
1757 * beginend.c (gtm_stmlock_array, gtm_clock): New.
1758 (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1759 * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1760 (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1761 gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1762 gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1763 gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1764 gtm_get_clock, gtm_inc_clock): New.
1765 * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1766 LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1767 LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1768 locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1769 replace uses with new libitm_i.h symbols.
1770 (dispatch_wbetl): Rename from wbetl_dispatch.
1771 * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1772 away from dispatch_readonly; abort if the beginTransaction call
1773 asserted that the transaction was readonly.
1775 2009-11-03 Richard Henderson <rth@redhat.com>
1777 * memset.c: New file.
1778 * Makefile.am (libitm_la_SOURCES): Add it.
1779 * Makefile.in: Rebuild.
1780 * testsuite/libitm.c/memset-1.c: New.
1782 2009-11-03 Richard Henderson <rth@redhat.com>
1784 * dispatch.c: Remove file.
1785 * useraction.c (struct gtm_user_action): Move from libitm.h.
1786 * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1787 (serial_memset, serial_memmove, serial_memcpy): Remove.
1788 (serial_W*, serial_R*): Remove.
1789 (serial_dispatch): Update to match.
1790 * configure.ac: Move Werror down below configure checks. Don't
1791 check for sys/loadavg.h, do check for malloc.h. Don't check for
1792 getloadavg and clock_gettime; do check for memalign, posix_memalign.
1793 Use GCC_AC_FUNC_MMAP_BLACKLIST
1794 * libitm.h: Split out all internal items to...
1795 * libitm_i.h: ... here. New file.
1796 * copymask.c: New file.
1797 * local.c (struct gtm_local_undo): Move from libitm.h.
1798 (GTM_alloc_local): Rename from alloc_local; export.
1799 * memcpy.c: New file.
1800 * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1801 * config/posix/page.c: New file.
1802 * config/posix/target_tls.h: Remove file.
1803 * barrier.c: New file.
1804 * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1806 * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1807 * method-wbetl.c: Rewrite for new cacheline methods.
1808 * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1810 * config/alpha/sjlj.S: Fix typo.
1811 * config/alpha/target_i.h: Copy functions from alpha/target.h.
1812 * config/alpha/copymask.c: New file.
1813 * config/alpha/target.h (CACHELINE_SIZE): New.
1814 (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1816 * config/x86/target_i.h: Copy functions from x86/target.h.
1817 * config/x86/copymask.c: New file.
1818 * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1819 (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1820 (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1821 * config/x86/target_tls.h: Move contents to target_i.h.
1823 * testsuite/libitm.c/clone-1.c: Include libitm.h.
1824 * testsuite/libitm.c/memcpy-1.c: New.
1826 2009-10-22 Richard Henderson <rth@redhat.com>
1828 * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1829 (AM_CCASFLAGS): New.
1830 * configure.ac: Add AM_PROG_AS. Use m4_rename_force for
1831 saving/restoring _AC_ARG_VAR_PRECIOUS.
1832 * Makefile.in, aclocal.m4, config.h.in, configure,
1833 testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1835 2009-10-22 Richard Henderson <rth@redhat.com>
1837 * testsuite/*: Update for new compiler syntax.
1839 2009-10-21 Richard Henderson <rth@redhat.com>
1841 * libitm.h (_ITM_abortReason): Add outerAbort.
1843 2009-08-03 Richard Henderson <rth@redhat.com>
1845 * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1846 _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1847 * method-wbetl.c (struct w_entry): Remove mask.
1848 (wbetl_write, wbetl_load): Return pointer to word containing the data;
1851 2009-07-22 Richard Henderson <rth@redhat.com>
1853 * eh_cpp.c: New file.
1854 * Makefile.am (libitm_la_SOURCES): Add it.
1855 * Makefile.in: Rebuild.
1856 * beginend.c (GTM_rollback_transaction): Undo exception state.
1857 (GTM_trycommit_transaction): Mark inline.
1858 (GTM_trycommit_and_finalize_transaction): Split out from ...
1859 (_ITM_commitTransaction): ... here.
1860 (_ITM_commitTransactionEH): New function.
1861 * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1862 cxa_unthrown, eh_in_flight; reorder.
1864 * testsuite/libitm.c++/c++.exp: New.
1865 * testsuite/libitm.c++/eh-1.C: New.
1867 * aatree.c (aa_free): Remove REGPARM.
1868 * aatree.h: Remove all REGPARM.
1870 2009-07-18 Richard Henderson <rth@redhat.com>
1872 * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1873 * Makefile.am (libitm_la_SOURCES): Add them.
1874 * Makefile.in: Rebuild.
1875 * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1876 (GTM_trycommit_transaction): Likewise.
1877 * libitm.h: Include aatree.h
1878 (struct gtm_alloc_action): New.
1879 (struct gtm_transaction): Add alloc_actions.
1880 (GTM_record_allocation, GTM_forget_allocation): Declare.
1881 (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1882 * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1883 _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1884 _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1885 _ZGTtdaPvRKSt9nothrow_t): Export.
1887 2009-07-18 Richard Henderson <rth@redhat.com>
1889 * target_tls.h: Move ...
1890 * config/posix/target_tls.h: ... here.
1892 2009-07-07 Richard Henderson <rth@redhat.com>
1894 * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1896 2009-07-07 Richard Henderson <rth@redhat.com>
1900 2009-07-07 Richard Henderson <rth@redhat.com>
1902 * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1903 * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1905 * configure.tgt: Don't use -ftls-model for x86 linux.
1906 * libitm.h: Include target.h after standard includes.
1907 (_gtm_thr): Rename from gtm_thr.
1908 (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1909 (gtm_disp, set_gtm_disp): New.
1910 * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1911 retry.c, serial.c, useraction.c: Use accessor functions throughout.
1912 * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1914 2009-07-07 Richard Henderson <rth@redhat.com>
1916 * config/linux/rwlock.c (EZ): New define. Use it throughout.
1918 2009-07-06 Richard Henderson <rth@redhat.com>
1920 * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1921 (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1922 (_ITM_beginTransaction): Take variadic arguments.
1923 (_ITM_registerThrownObject): Declare.
1924 * beginend.c, serial.c: Update.
1925 * libitm.map: Add _ITM_registerThrownObject.
1927 2009-01-28 Richard Henderson <rth@redhat.com>
1929 * Makefile.am (libitm_la_SOURCES): Add clone.c.
1930 * Makefile.in: Rebuild.
1931 * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1932 (GTM_restart_transaction): Fix uninstrumented code check.
1933 * retry.c (GTM_decide_retry_strategy): Add serial check.
1934 * serial.c (GTM_serialmode): Add irrevokable variable. Don't
1935 automatically go irrevokable when in serial mode.
1936 * clone.c: New file.
1937 * libitm.h, libitm.map: Update.
1939 2009-01-27 Richard Henderson <rth@redhat.com>
1941 * Makefile.am (LTCCASCOMPILE): Define.
1942 (libitm_la_SOURCES): Add methid-wbetl.c.
1943 * testsuite/Makefile.am: New
1944 * configure.ac: Add testsuite/Makefile.
1945 * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1946 * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1947 (_ITM_abortTransaction): Finalize implementation method; pass
1948 transaction properties to longjmp.
1949 (GTM_restart_transaction): Split out from ...
1950 (_ITM_commitTransaction): ... here.
1951 * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1952 Move to config/x86/target.h.
1953 * config/linux/alpha/futex_bits.h: New.
1954 * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1955 * config/x86/target.h: Disable target types for 32-bit.
1956 * config/alpha/sjlj.S, config/alpha/target.h: New.
1957 * libitm.h (struct gtm_dispatch): Add init, fini.
1958 (enum restart_reason): New.
1959 (struct gtm_transaction): Add method and restarts.
1960 * retry.c (GTM_decide_retry_strategy): Implement.
1961 * serial.c (serial_init, serial_fini): New.
1962 (GTM_serialmode): Finialize outgoing method.
1963 * method-wbetl.c: New.
1965 2008-12-09 Richard Henderson <rth@redhat.com>
1967 * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1968 * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1969 * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1970 * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1971 (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1972 (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1973 * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1974 * serial.c (serial_R##T, serial_W##T): Likewise.
1976 2008-11-21 Richard Henderson <rth@redhat.com>
1980 Copyright (C) 2008-2016 Free Software Foundation, Inc.
1982 Copying and distribution of this file, with or without modification,
1983 are permitted in any medium without royalty provided the copyright
1984 notice and this notice are preserved.