libitm/ChangeLog

   1 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         PR libitm/64360
   4         * libitm.c/stackundo.c (test2): Make it static.
   5         (test1): Likewise.
   6
   7 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
   8
   9         Update copyright years.
  10
  11 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  12
  13         * libitm.texi: Bump @copying's copyright year.
  14
  15 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  16
  17         * testsuite/lib/libitm.exp: Load target-utils.exp.
  18         Move load of target-supports.exp earlier.
  19
  20 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  21
  22         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  23
  24 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  25
  26         PR bootstrap/63784
  27         * configure: Regenerated.
  28
  29 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  30
  31         PR target/63610
  32         * configure: Regenerate.
  33
  34 2014-10-06  Marek Polacek  <polacek@redhat.com>
  35
  36         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  37         * testsuite/libitm.c/memset-1.c: Likewise.
  38
  39 2014-07-24  Richard Henderson  <rth@redhat.com>
  40
  41         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  42         addressing mode in epilogue.
  43
  44 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  45
  46         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  47         -mclear-hwcap instead.
  48         * configure: Regenerate.
  49         * clearcap.map: Remove.
  50
  51 2014-05-21  John Marino  <gnugcc@marino.st>
  52
  53         * configure.tgt (*-*-dragonfly*): New target.
  54
  55 2014-05-19  Richard Henderson  <rth@redhat.com>
  56
  57         * config/aarch64/sjlj.S: New file.
  58         * config/aarch64/target.h: New file.
  59         * configure.tgt: Enable aarch64.
  60
  61 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  62
  63         * config/generic/asmcfi.h: Also check for
  64         __GCC_HAVE_DWARF2_CFI_ASM.
  65
  66 2013-04-02  Richard Henderson  <rth@redhat.com>
  67
  68         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  69         * config/arm/target.h, config/sh/target.h: Likewise.
  70         * config/sparc/target.h, config/x86/target.h: Likewise.
  71
  72 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  73
  74         * config/linux/futex_bits.h: Include errno.h.
  75         (sys_futex0): If syscall returns -1, return -errno rather than
  76         -1.
  77
  78 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  79
  80         * libitm.texi (Index): Rename to Library Index.
  81
  82 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  83
  84         PR libitm/53113
  85         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  86         (x86_avx.lo): Append -mavx to CXXFLAGS.
  87         * Makefile.in: Regenerate.
  88
  89 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  90
  91         Update copyright years
  92
  93 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  94
  95         * libitm.texi: Bump @copying's copyright year.
  96
  97 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  98
  99         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 100         (FUNC): Define ELFv2 variant.
 101         (END): Likewise.
 102         (HIDDEN): Likewise.
 103         (CALL): Likewise.
 104         (BASE): Likewise.
 105         (LR_SAVE): Likewise.
 106
 107 2013-09-20  Alan Modra  <amodra@gmail.com>
 108
 109         * configure: Regenerate.
 110
 111 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 112
 113         * config/posix/rwlock.cc: Fix initialization order.
 114
 115 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 116
 117         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 118         (htm_fastpath): Assign an asm name.
 119         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 120         HTM fast paths.
 121         (_ITM_actions): Likewise.
 122         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 123         x86_64.
 124         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 125         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 126         field to the start of the structure.
 127         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 128         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 129         handling for custom HTM fast paths.
 130
 131 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 132         Revert:
 133         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 134
 135         * configure.tgt: Add -msoft-float to XCFLAGS.
 136
 137 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 138
 139         * configure.tgt: Add -msoft-float to XCFLAGS.
 140
 141 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 142
 143         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 144         (htm_transaction_active): Enable zEC12 instructions in the
 145         assembler.
 146         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 147
 148 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 149
 150         * acinclude.m4: Add htm asm check for s390.
 151         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 152         * configure: Regenerate.
 153         * config/s390/target.h: Remove __HTM__ check.
 154         (htm_available): Call getauxval to get hwcaps and check whether
 155         HTM is available or not.
 156
 157 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 158
 159         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 160         * configure.ac: Use it.
 161         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 162         (AC_CHECK_FUNCS): Check for getauxval.
 163         * config.h.in, configure: Rebuild.
 164         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 165         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 166         (USE_HTM_FASTPATH): Define.
 167         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 168         _HTM_RETRIES) New macros.
 169         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 170         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 171
 172 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 173
 174         * config/s390/target.h: Include htmintrin.h.
 175         (_HTM_ITM_RETRIES): New macro definition.
 176         (htm_available, htm_init, htm_begin, htm_begin_success)
 177         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 178
 179 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 180             Cesar Philippidis  <cesar@codesourcery.com>
 181
 182         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 183         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 184         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 185         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 186
 187 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 188
 189         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 190         (_ITM_getTransactionId): Same.
 191         * config/x86/target.h (htm_transaction_active): New.
 192
 193 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 194
 195         PR libitm/57643
 196         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 197         the HTM fastpath.
 198
 199 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 200
 201         PR bootstrap/56714
 202         * local_atomic (__always_inline): Always define our version.
 203         (__calculate_memory_order): Mark inline.
 204         (atomic_thread_fence): Ditto.
 205         (atomic_signal_fence): Ditto.
 206         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 207         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 208         (atomic_bool::atomic_flag_test_and_set): Ditto.
 209         (atomic_bool::atomic_flag_clear): Ditto.
 210
 211 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 212
 213         * config/s390/sjlj.S: New file.
 214         * config/s390/target.h: New file.
 215         * configure.tgt: Set options for S/390.
 216
 217 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 218
 219         * local_atomic (__always_inline): Add.
 220         (__calculate_memory_order, atomic_thread_fence,
 221          atomic_signal_fence, test_and_set, clear, store, load,
 222          exchange, compare_exchange_weak, compare_exchange_strong,
 223          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 224         Add __always_inline to force inlining.
 225
 226 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 227             Jack Howarth  <howarth@bromo.med.uc.edu>
 228             Patrick Marlier  <patrick.marlier@gmail.com>
 229
 230         PR libitm/55693
 231         * alloc_cpp.cc: Enable function declarations on darwin.
 232         * eh_cpp.cc: Likewise.
 233
 234 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 235
 236         Update copyright years.
 237
 238 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 239
 240         * beginend.cc (htm_fastpath): New.
 241         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 242         _ITM_commitTransactionEH): Add HTM fastpath handling.
 243         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 244         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 245         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 246         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 247         * configure.tgt: Add -mrtm to XCFLAGS.
 248         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 249         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 250         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 251         * retry.cc (parse_default_method): Add HTM method parsing.
 252         (gtm_thread::number_of_threads_changed): Use HTM by default if
 253         available.
 254
 255 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 256
 257         * configure: Regenerate.
 258
 259 2012-10-31  Richard Henderson  <rth@redhat.com>
 260
 261         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 262         * configure.ac: Use it.
 263         * config.h.in, configure: Rebuild.
 264         * testsuite/Makefile.in: Rebuild.
 265
 266 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 267
 268         * libitm.texi: Clarify ABI requirements for data-logging functions.
 269
 270 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 271
 272         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 273         it requires serial mode instead of assuming that for certain
 274         dispatchs.
 275         * dispatch.h (abi_dispatch::requires_serial): New.
 276         (abi_dispatch::abi_dispatch): Adapt.
 277         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 278         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 279         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 280         serial_dispatch::serial_dispatch,
 281         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 282
 283 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 284
 285         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 286         and ia32 declarations some more.
 287         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 288
 289 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 290
 291         PR other/43620
 292         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 293         * configure: Regenerate.
 294         * Makefile.in: Regenerate.
 295
 296 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 297
 298         * configure: Regenerated.
 299
 300 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 301
 302         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 303
 304 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 305
 306         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 307
 308 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 309
 310         * configure: Regenerated.
 311
 312 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 313
 314         PR libitm/52854
 315         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 316         for x86-64.
 317
 318 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 319
 320         * configure: Regenerate.
 321
 322 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 323
 324         PR bootstrap/52812
 325         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 326
 327 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 328
 329         * testsuite/lib/libitm.exp: load fortran-modules.exp
 330
 331 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 332
 333         * configure.tgt (*-*-irix6*): Remove.
 334
 335 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 336
 337         PR libitm/52526
 338         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 339         wake-up.
 340
 341 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 342
 343         * configure.tgt (*-*-osf*): Remove.
 344         * configure: Regenerate.
 345
 346 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 347
 348         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 349         memtransfer/memset if size isn't larger than zero.
 350
 351 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 352
 353         * libitm.texi: Link to specification and add a usage example.
 354
 355 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 356
 357         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 358         default dispatch for more than 1 thread to ml_wt.
 359
 360 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 361
 362         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 363
 364 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 365
 366         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 367
 368 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 369
 370         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 371         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 372         (gl_wt_dispatch.rollback): Same.
 373
 374 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 375
 376         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 377
 378 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 379
 380         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 381         for RfW src.  Optimize number of calls to gtm_thr.
 382
 383 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 384
 385         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 386         acquisition to ...
 387         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 388         (default_dispatch): Make atomic.
 389         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 390         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 391         use decide_begin_dispatch() if default_dispatch might have changed.
 392         (GTM::gtm_thread::number_of_threads_changed): Initialize
 393         default_dispatch here.
 394
 395 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 396             Patrick Marlier  <patrick.marlier@gmail.com>
 397
 398         PR libitm/52220
 399         * alloc_cpp.cc: No dummy definitions for darwin.
 400         * eh_cpp.cc: Likewise.
 401
 402 2012-02-14  Richard Henderson  <rth@redhat.com>
 403
 404         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 405
 406 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 407
 408         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 409
 410 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 411
 412         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 413         (GTM::gtm_thread): Add read and write logs.
 414         (GTM::dispatch_ml_wt): Declare.
 415         * retry.cc (parse_default_method): Support ml_wt.
 416         * method-ml.cc: New file.
 417         * Makefile.am: Add method-ml.cc.
 418         * Makefile.in: Regenerate.
 419
 420 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 421
 422         * dispatch.h (GTM::abi_dispatch::supports): New.
 423         (GTM::method_group::reinit): New.
 424         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 425         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 426         supports the current situation.
 427
 428 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 429
 430         * util.cc (GTM::xcalloc): New.
 431         * common.h (GTM::xcalloc): Declare.
 432
 433 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 434
 435         * config/sparc/target.h (cpu_relax): Read from CC register.
 436         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 437
 438 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 439
 440         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 441
 442 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 443
 444         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 445         * config/sparc/cacheline.h: New file.
 446         * config/sparc/target.h: Likewise.
 447         * config/sparc/sjlj.S: Likewise.
 448         * config/linux/sparc/futex_bits.h: Likewise.
 449
 450 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 451
 452         * configure.ac (link_itm): Fix comment.
 453         * configure: Regenerate.
 454         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 455
 456 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 457
 458         PR libitm/51822
 459         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 460         Correct libgomp references.
 461
 462 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 463
 464         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 465         wake-up.
 466
 467 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 468
 469         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 470         end of structure.
 471         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 472         offset values.  Do not copy return address.  Decrement stack
 473         by 56 bytes only.
 474         (GTM_longjump) [__x86_64__]: Update offset values.
 475
 476 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 477
 478         PR libitm/51830
 479         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 480         the first function argument to %eax.
 481
 482 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 483
 484         * libitm.h (_ITM_getThreadnum): Remove.
 485         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 486
 487 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 488
 489         * clearcap.map: New file.
 490         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 491         * configure.ac: Call it.
 492         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 493         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 494         * configure: Regenerate.
 495         * Makefile.in: Regenerate.
 496         * testsuite/Makefile.in: Regenerate.
 497
 498 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 499
 500         PR libitm/51173
 501         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 502         include, exclude options.
 503
 504 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 505
 506         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 507         rolling back.
 508         * containers.h (GTM::vector::set_size): New.
 509
 510 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 511
 512         PR libitm/51855
 513         * config/generic/tls.h (GTM::mask_stack_top): New.
 514         (GTM::mask_stack_bottom): Declare.
 515         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 516         * local.cc (gtm_undolog::rollback): Filter out any updates that
 517         overlap the libitm stack.  Add current transaction as parameter.
 518         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 519         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 520         * testsuite/libitm.c/stackundo.c: New test.
 521
 522 2012-01-10  Richard Henderson  <rth@redhat.com>
 523
 524         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 525         * eh_cpp.cc (_Unwind_DeleteException): Define for
 526         !HAVE_ELF_STYLE_WEAKREF.
 527
 528 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 529
 530         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 531         (GTM::gtm_thread::drop_references_undolog): Remove.
 532         (GTM::gtm_thread::commit_undolog,
 533         GTM::gtm_thread::rollback_undolog): Move to ...
 534         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 535         (GTM::gtm_undolog_entry): Remove.
 536         (GTM::gtm_thread): Adapt.
 537         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 538         (GTM::gtm_thread::trycommit): Adapt.
 539         * method-serial.cc (serial_dispatch::log): Adapt.
 540         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 541         (gl_wt_dispatch::store): Fix likely/unlikely.
 542         * containers.h (GTM::vector::resize): Add additional_capacity
 543         parameter and handle it.
 544         (GTM::vector::resize_noinline): New/adapt.
 545         (GTM::vector::push): New.
 546
 547 2012-01-06  Richard Henderson  <rth@redhat.com>
 548
 549         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 550         * config/linux/powerpc/futex_bits.h: New file.
 551         * config/powerpc/cacheline.h: New file.
 552         * config/powerpc/sjlj.S: New file.
 553         * config/powerpc/target.h: New file.
 554         * config/generic/asmcfi.h (cfi_offset): New.
 555         (cfi_restore, cfi_undefined): New.
 556
 557 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 558
 559         PR other/51171
 560         * testsuite/libitm.c/reentrant.c: Remove xfail.
 561         (thread): Pass x to pure().
 562         From Patrik Marlier <patrick.marlier@gmail.com>.
 563
 564 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 565
 566         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 567         privatization safety if already in serial mode.
 568
 569 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 570
 571         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 572         finish_serial_upgrade parameter.
 573         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 574         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 575         Don't unset reader flag.
 576         (GTM::gtm_rwlock::write_upgrade_finish): New.
 577         * config/posix/rwlock.cc: Same.
 578         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 579         Declare.
 580         * config/posix/rwlock.h: Same.
 581         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 582         flag after commit or after rollback when restarting.
 583
 584 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 585
 586         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 587         (GTM::gtm_thread::try_commit): Changed memory order.
 588         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 589         as parameter.
 590         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 591         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 592         * config/linux/futex_bits.h (sys_futex0): Same.
 593         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 594         * config/linux/futex.h (futex_wait, futex_wake): Same.
 595         * config/linux/rwlock.h (gtm_rwlock::writers,
 596         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 597         ints.
 598         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 599         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 600         gtm_rwlock::write_unlock): Fix memory orders and fences.
 601         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 602         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 603         gtm_rwlock::write_unlock): Same.
 604         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 605         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 606         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 607         Add comments.
 608         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 609         gl_wt_dispatch::load, gl_wt_dispatch::store,
 610         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 611         orders and fences.  Add comments.
 612
 613 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 614
 615         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 616         * Makefile.in: Regenerated.
 617
 618 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 619
 620         * configure.tgt: Add sh* case.
 621         * config/sh/target.h: New file.
 622         * config/sh/sjlj.S: New file.
 623         * config/linux/sh/futex_bits.h: New file.
 624
 625 2011-12-14  Richard Henderson  <rth@redhat.com>
 626
 627         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 628         * config/arm/sjlj.S, config/arm/target.h: New files.
 629         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 630         (cfi_rel_offset): New.
 631         * config/linux/futex_bits.h: New file.
 632         * config/linux/futex.cc: Include futex_bits.h here...
 633         * config/linux/futex.h: ... not here.
 634         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 635         * configure.ac (ARCH_AM): New conditional.
 636         * Makefile.in, configure: Rebuild.
 637         * configure.tgt: Handle ARM.
 638
 639 2011-12-13  Richard Henderson  <rth@redhat.com>
 640
 641         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 642         signed/unsigned comparison werror.
 643
 644         * local_atomic: New file.
 645         * libitm_i.h: Include it.
 646         (gtm_thread::shared_state): Use atomic template.
 647         * beginend.cc (GTM::gtm_clock): Use atomic template.
 648         (global_tid): Use atomic template if 64-bit atomics available.
 649         (gtm_thread::gtm_thread): Update shared_state access.
 650         (gtm_thread::trycommit): Likewise.
 651         (choose_code_path): Update global_tid access.
 652         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 653         * stmlock.h (GTM::gtm_clock): Use atomic template.
 654         (gtm_get_clock, gtm_inc_clock): Update accesses.
 655         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 656         redundant __sync_synchronize after atomic shared_state access.
 657         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 658         (gtm_rwlock::write_lock_generic): Likewise.
 659         (gtm_rwlock::read_unlock): Likewise.
 660         * config/alpha/target.h (atomic_read_barrier): Remove.
 661         (atomic_write_barrier): Remove.
 662         * config/x86/target.h (atomic_read_barrier): Remove.
 663         (atomic_write_barrier): Remove.
 664
 665 2011-11-30  Richard Henderson  <rth@redhat.com>
 666
 667         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 668         * beginend.c (_ITM_abortTransaction): Update to match.
 669         (GTM::gtm_thread::restart): Likewise.
 670         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 671         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 672
 673 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 674
 675         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 676         * Makefile.in: Regenerate.
 677
 678 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 679
 680         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 681         * alloc_cpp.cc: Generate dummy functions if we don't
 682         HAVE_ELF_STYLE_WEAKREF.
 683         * eh_cpp.cc: Likewise.
 684         * configure: Regenerate.
 685         * aclocal.m4:  Likewise.
 686         * config.h.in: Likewise.
 687         * Makefile.in: Likewise.
 688         * testsuite/Makefile.in: Likewise.
 689
 690 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 691
 692         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 693         __USER_LABEL_PREFIX__ for targets that use it.
 694         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 695         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 696         in portability to non-elf targets.
 697         (GTM_longjmp): Likewise.
 698         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 699         where required.
 700
 701 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 702
 703         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 704         * testsuite/libitm.c/memset-1.c: Likewise.
 705
 706 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 707
 708         * configure: Regenerate.
 709
 710 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 711
 712         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 713         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 714         * Makefile.am: Handle sun style versioning.
 715         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 716         * configure: Regenerate.
 717         * Makefile.in: Regenerate.
 718
 719 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 720
 721         * config/generic/asmcfi.h: Fix comment.
 722         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 723         sequence without .hidden support, error for non-ELF targets.
 724         (GTM_longjmp) [__ELF__]: Only use .hidden if
 725         HAVE_ATTRIBUTE_VISIBILITY.
 726
 727 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 728
 729         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 730         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 731         Dummy functions.
 732         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 733         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 734
 735 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 736
 737         PR bootstrap/51098
 738         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 739         * configure: Regenerate.
 740
 741 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 742
 743         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 744
 745 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 746
 747         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 748         .hidden.
 749         (.note.GNU-stack): Only use if __linux__.
 750         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 751         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 752         * testsuite/libitm.c/reentrant.c: Likewise.
 753         * testsuite/libitm.c/simple-2.c: Likewise.
 754         * testsuite/libitm.c/txrelease.c: Likewise.
 755         * testsuite/libitm.c++/static_ctor.C: Likewise.
 756
 757 2011-11-10  Richard Henderson  <rth@redhat.com>
 758
 759         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 760         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 761         * configure.ac (ARCH_X86_AVX): New conditional.
 762         * Makefile.in, configure: Rebuild.
 763
 764 2011-11-09  Richard Henderson  <rth@redhat.com>
 765
 766         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 767         * configure.ac: Use it.
 768         * config.h.in, configure: Rebuild.
 769         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 770
 771 2011-11-09  Richard Henderson  <rth@redhat.com>
 772
 773         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 774         * config/alpha/unaligned.h: Remove file.
 775         * config/generic/unaligned.h: Remove file.
 776         * config/x86/unaligned.h: Remove file.
 777         * config/generic/cachepage.h: Remove file.
 778         * config/posix/cachepage.cc: Remove file.
 779         * config/generic/cacheline.cc: Remove file.
 780         * config/x86/cacheline.cc: Remove file.
 781         * config/generic/cacheline.h (gtm_cacheline): Remove the
 782         store_mask, copy_mask, copy_mask_wb methods.
 783         * config/x86/cacheline.h: Likewise.
 784         * config/alpha/cacheline.h: Fall back to generic after setting size.
 785         * config/generic/tls.cc (gtm_mask_stack): Remove.
 786         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 787         (GTM_vpalignr_table): Remove.
 788         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 789         (GTM_pshift_table): Remove.
 790         * config/libitm_i.h: Don't include cachepage.h.
 791         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 792         * Makefile.in, testsuite/Makefile.in: Rebuild.
 793
 794 2011-11-09  Richard Henderson  <rth@redhat.com>
 795
 796         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 797         to emit branch prediction hint.
 798
 799         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 800         Protect .note.GNU-stack with __linux__.
 801
 802         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 803         * configure, aclocal.m4, config.h.in: Rebuild.
 804         * config/generic/asmcfi.h: New file.
 805         * config/x86/sjlj.S: Use it.
 806
 807 2011-11-08  Richard Henderson  <rth@redhat.com>
 808
 809         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 810
 811 2011-11-08  Richard Henderson  <rth@redhat.com>
 812
 813         * configure.tgt: Test correct directory for supported cpus.
 814
 815         * configure.ac: Exit if unsupported.
 816         * configure: Rebuild.
 817         * configure.tgt: Delete boilerplate from libgomp for unsupported
 818         targets.  Set UNSUPPORTED for unsupported targets.
 819
 820 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 821
 822         * configure.tgt: Handle i386 like i[456]86.
 823         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 824         take address.
 825         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 826         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 827
 828 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 829
 830         * method-wbetl.cc: Update copyright notice.
 831         * aatree.cc: Same.
 832         * util.cc: Same.
 833         * libitm.h: Same.
 834         * memset.cc: Same.
 835         * eh_cpp.cc: Same.
 836         * barrier.tpl: Same.
 837         * useraction.cc: Same.
 838         * stmlock.h: Same.
 839         * memcpy.cc: Same.
 840         * common.h: Same.
 841         * config/generic/tls.cc: Same.
 842         * config/generic/cacheline.h: Same.
 843         * config/generic/cachepage.h: Same.
 844         * config/generic/cacheline.cc: Same.
 845         * config/generic/unaligned.h: Same.
 846         * config/x86/cacheline.h: Same.
 847         * config/x86/cacheline.cc: Same.
 848         * config/x86/unaligned.h: Same.
 849         * config/alpha/cacheline.h: Same.
 850         * config/alpha/unaligned.h: Same.
 851         * config/alpha/sjlj.S: Same.
 852         * config/posix/cachepage.cc: Same.
 853         * config/linux/futex.h: Same.
 854         * config/linux/alpha/futex_bits.h: Same.
 855
 856 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 857
 858         * libitm.texi: No cover text and invariant sections.
 859
 860 2011-11-03  Richard Henderson  <rth@redhat.com>
 861
 862         * local_type_traits: New file.
 863         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 864
 865 2011-11-03  Richard Henderson  <rth@redhat.com>
 866
 867         * configure.ac: Don't test for gfortran.
 868         * configure: Rebuild.
 869
 870         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 871         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 872
 873 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 874
 875         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 876         * testsuite/libitm.c/memset-1.c: Same.
 877         * testsuite/libitm.c/c.exp: Same.
 878         * testsuite/lib/libitm-dg.exp: Same.
 879         * testsuite/lib/libitm.exp: Same.
 880         * testsuite/libitm.c++/c++.exp: Same.
 881
 882 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 883
 884         * testsuite/config/default.exp: Update copyright date.
 885         * configure.ac: Add copyright info.
 886         * configure.tgt: Same.
 887
 888 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 889
 890         * testsuite/libitm.c/reentrant.c: XFAIL.
 891         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 892
 893 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 894
 895         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 896         handle aborts.
 897         (_ITM_abortTransaction): Handle aborts of outer transactions.
 898         * libitm_i.h: Same.
 899         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 900         * libitm.texi: Document aborts of outer transactions.
 901         * testsuite/libitm.c/cancel.c: New file.
 902
 903 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 904
 905         * testsuite/*: Change __transaction to __transaction_atomic or
 906         __transaction_relaxed.
 907
 908 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 909
 910         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 911         (gtm_thr): Same.
 912
 913 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 914
 915         * libitm_i.h: Add gl_wt dispatch.
 916         * retry.cc (parse_default_method): Same.
 917         * method-gl.cc: New file.
 918         * Makefile.am: Use method-gl.cc.
 919         * Makefile.in: Rebuild.
 920
 921 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 922
 923         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 924         safety if requested by a TM method.
 925         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 926         privatization safety.
 927         * method-serial.cc: Same.
 928
 929 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 930
 931         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 932         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 933         undolog-related member functions from *_local to *_undolog.
 934         * local.cc (gtm_thread::commit_undolog): Same.
 935         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 936         (GTM::gtm_thread::rollback): Roll back undolog before
 937         dispatch-specific rollback.
 938
 939 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 940
 941         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 942         re-initialization of the current method group.
 943         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 944
 945 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 946
 947         * alloc.cc (commit_allocations_2): Do not free transaction-local
 948         memory when committing a nested transaction.
 949
 950 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 951
 952         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 953         serial-irrevocable dispatch, not serial.
 954
 955 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 956
 957         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 958         declarations.
 959         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 960         * method-serial.cc: Implement begin_or_restart().
 961         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 962         dispatch-specific begin_or_restart().
 963         (GTM::gtm_thread::restart): Same.
 964
 965 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 966
 967         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 968         restarting without switching to serial mode.
 969         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 970         transaction state. Choose closed-nesting alternative if available.
 971         (GTM::gtm_thread::set_default_dispatch): New.
 972         (parse_default_method): New.
 973         (GTM::gtm_thread::number_of_threads_changed): New.
 974         * method-serial.cc (GTM::serial_mg): New method group class.
 975         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 976         fini.
 977         (GTM::serial_dispatch): Same.
 978         (GTM::serialirr_onwrite_dispatch): Same.
 979         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 980         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 981         registered threads.
 982         (GTM::gtm_thread::gtm_thread): Same.
 983         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 984         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 985         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 986         choose dispatch but set state according to dispatch here.
 987         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 988         (GTM::method_group): New class.
 989         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 990         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 991         * libitm.texi: Document TM methods, method groups, method life cycle.
 992         Rename method sets to method groups.
 993
 994 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 995
 996         * config/x86/tls.h: Moved to ...
 997         * config/linux/x86/tls.h: ... here.
 998
 999 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1000
1001         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1002         Add X32 support.
1003         * config/x86/sjlj.S: Same.
1004
1005 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1006
1007         * config/linux/rwlock.h: New file.
1008         * config/linux/rwlock.c: New file.
1009         * configure.ac: Reenable futex support (undo SVN rev 157758).
1010         * Makefile.am: Same.
1011         * configure.tgt: Same.
1012         * config/linux/alpha/futex_bits.h: Same.
1013         * config/linux/futex.h: Same. Return number of woken processes.
1014         * config/linux/futex.cc: Same.
1015         (futex_wait): Remove spinning.
1016         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1017         Use __x86_64__ instead of __LP64__.
1018         * aclocal.m4: Include generic futex checks.
1019         * configure: Rebuild.
1020         * Makefile.in: Rebuild.
1021         * testsuite/Makefile.in: Rebuild.
1022         * beginend.cc: Include pthread.h.
1023         * config/posix/cachepage.cc: Same.
1024
1025 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1026
1027         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1028         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1029         (set_gtm_thr): New.
1030         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1031         (set_gtm_thr): New.
1032         (GTM::gtm_thread::thread_num): Removed.
1033         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1034         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1035         tx-to-thread renaming.
1036         * beginend.cc: Adapted to tx-to-thread renaming.
1037         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1038         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1039         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1040         gtm_transaction to gtm_thread.
1041         (_ITM_getThreadnum): Removed. Not supported anymore.
1042         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1043         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1044         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1045         gtm_tx-to-gtm_thr renaming if necessary.
1046         * eh_cpp.cc: Same.
1047         * local.cc: Same.
1048         * retry.cc: Same.
1049         * clone.cc: Same.
1050         * alloc.cc: Same.
1051         * alloc_c.cc: Same.
1052         * alloc_cpp.cc: Same.
1053         * method-serial.cc: Same.
1054         * config/generic/tls.cc: Same.
1055         * config/posix/rwlock.h (gtm_rwlock): Same.
1056         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1057
1058 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1059
1060         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1061         implementation.
1062         (gtm_rwlock::read_unlock): Same.
1063         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1064         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1065         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1066         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1067         w_upgrade. Replaced by per-transaction flags (in shared_state).
1068         Added c_confirmed_writers.
1069         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1070         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1071         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1072         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1073         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1074         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1075         * libitm.texi: Document locking conventions and implementations in
1076         libitm.
1077
1078 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1079
1080         * libitm_i.h (next_tx): Add list of all threads' transaction.
1081         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1082         transaction with list of transactions and ...
1083         (thread_exit_handler): ... deregister here.
1084         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1085         * config/x86/target.h: Same.
1086
1087 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1088
1089         * testsuite/libitm.c++/static_ctor.C: New file.
1090
1091 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1092
1093         * testsuite/libitm.c/reentrant.c: New file.
1094
1095 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1096
1097         * config/generic/tls.h: Remove the free list for transactions and ...
1098         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1099         (GTM::gtm_transaction::operator delete): ... and release here.
1100         (thread_exit_handler): New. Delete tx when thread terminates.
1101         (thread_exit_init): New.
1102         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1103         * testsuite/libitm.c/txrelease.c: New file.
1104
1105 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1106
1107         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1108         * testsuite/libitm.c/notx.c: New file.
1109
1110 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1111
1112         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1113         * libitm_i.h (local_tid): ... to here.
1114         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1115         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1116
1117 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1118
1119         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1120         serialirr_onwrite_dispatch as new default for now.
1121         * method-serial.cc (serialirr_onwrite_dispatch): New.
1122         (GTM::dispatch_serialirr_onwrite): New.
1123         * libitm_i.h: Same.
1124
1125 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1126
1127         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1128         * query.cc (_ITM_getTransactionId): There is no active transaction if
1129         the current nesting level is zero.
1130
1131 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1132
1133         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1134         rollback.
1135
1136 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1137
1138         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1139         transaction properties from the caller instead of from the
1140         transaction object.
1141         * libitm_i.h: Same.
1142         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1143
1144 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1145
1146         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1147         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1148         * dispatch.h: Same.
1149         * method-serial.cc: Same.
1150         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1151         flat nesting as default, and closed nesting on demand.
1152         (GTM::gtm_transaction::rollback): Same.
1153         (_ITM_abortTransaction): Same.
1154         (GTM::gtm_transaction::restart): Same.
1155         (GTM::gtm_transaction::trycommit): Same.
1156         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1157         (choose_code_path): New.
1158         (GTM::gtm_transaction_cp::save): New.
1159         (GTM::gtm_transaction_cp::commit): New.
1160         * query.cc (_ITM_inTransaction): Support flat nesting.
1161         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1162         (GTM::gtm_transaction): Support flat and closed nesting.
1163         * alloc.cc (commit_allocations_2): New.
1164         (commit_cb_data): New helper struct.
1165         (GTM::gtm_transaction::commit_allocations): Handle nested
1166         commits/rollbacks.
1167         * libitm.texi: Update user action section, add description of nesting.
1168
1169 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1170
1171         * libitm_i.h: Add closed nesting as restart reason.
1172         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1173
1174 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1175
1176         * useraction.cc: Use vector instead of list to store actions.
1177         Also support partial rollbacks for closed nesting.
1178         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1179         * beginend.cc: Same.
1180
1181 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1182
1183         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1184         closed_nesting flags, as well as a closed nesting alternative.
1185         * method-serial.cc: Same.
1186         (serial_dispatch): Renamed to serialirr_dispatch.
1187         (GTM::dispatch_serialirr): Same.
1188         (serial_dispatch_ul): Renamed to serial_dispatch.
1189         (GTM::dispatch_serial): Same.
1190
1191 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1192
1193         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1194
1195 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1196
1197         * aatree.h (aa_tree::remove): New.
1198         (aa_tree::operator new): Add placement new.
1199
1200 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1201
1202         * containers.h: New file.
1203         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1204         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1205         * common.h: ... to here.
1206         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1207         * local.cc: Same.
1208
1209 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1210
1211         * libitm_i.h (STATE_ABORTING): Remove.
1212         * beginend.cc (_ITM_abortTransaction): Same.
1213         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1214         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1215         (_ITM_rollbackTransaction): Remove.
1216         * beginend.cc: Same.
1217         * libitm.map: Same.
1218         * libitm.texi: Document these ABI changes.
1219
1220 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1221
1222         * libitm.texi: New file.
1223         * Makefile.am: Add libitm.texi.
1224         * Makefile.in: Rebuild.
1225
1226 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1227
1228         * libitm_i.h: Move parts to common.h and dispatch.h.
1229         * common.h: New file.
1230         * dispatch.h: New file, new dispatch class.
1231         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1232         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1233         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1234         decision to retry.cc.
1235         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1236         only.
1237         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1238         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1239         logging.
1240         * barrier.cc: Use new barriers definitions.
1241         (abi_dispatch::memmove_overlap_check): New.
1242         * config/x86/x86_sse.cc: Same.
1243         * config/x86/x86_avx.cc: Same.
1244         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1245         memcpy.cc.
1246         * Makefile.in: Rebuild.
1247         * method-readonly.cc: Remove.
1248         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1249         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1250
1251 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1252
1253         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1254         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1255         * testsuite/libitm.c/dropref-2.c: Same.
1256         * testsuite/libitm.c/dropref.c: Same.
1257
1258 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1259
1260         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1261         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1262         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1263         * alloc_c.cc: Same.
1264         * barrier.tpl: Same.
1265         * beginend.c: Same.
1266         * config/generic/tls.h: Same.
1267         * config/x86/tls.h: Same.
1268         * libitm_i.h: Same.
1269         * memcpy.cc: Same.
1270         * memset.cc: Same.
1271         * method-readonly.cc: Same.
1272         * method-serial.cc: Same.
1273         * method-wbetl.cc: Same.
1274         * retry.cc: Same.
1275
1276 2011-03-03  Richard Henderson  <rth@redhat.com>
1277
1278         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1279         From Patrik Marlier <patrick.marlier@unine.ch>.
1280
1281 2011-02-03  Richard Henderson  <rth@redhat.com>
1282
1283         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1284         * configure.ac: Use it.
1285         * configure, config.h.in: Rebuild.
1286         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1287         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1288         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1289         * libitm.map: Use wildcards to match size_t mangling.
1290
1291 2010-12-14  Richard Henderson  <rth@redhat.com>
1292
1293         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1294         blocks of TIDs per thread.
1295         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1296         (setup_gtm_thr): Return the thread structure.
1297         * config/x86/tls.h (setup_gtm_thr): Likewise.
1298
1299 2010-12-14  Richard Henderson  <rth@redhat.com>
1300
1301         * clone.cc (table_lock): Remove.
1302         (find_clone): Don't take it.
1303         (ExcludeTransaction): New helper class.
1304         (_ITM_registerTMCloneTable): Use it.
1305         (_ITM_deregisterTMCloneTable): Likewise.
1306
1307 2010-12-14  Richard Henderson  <rth@redhat.com>
1308
1309         * config/x86/tls.h: New file.
1310
1311 2010-07-15  Richard Henderson  <rth@redhat.com>
1312
1313         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1314         * Makefile.in: Rebuild.
1315
1316 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1317
1318         * method-wbetl.cc (trydropreference): Fix source line.
1319
1320 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1321
1322         * libitm.h: Add comment.
1323         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1324
1325 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1326
1327         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1328         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1329         available, use pthread mutexes.
1330         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1331         * config.h.in: Regenerate.
1332         * configure: Regenerate.
1333
1334 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1335
1336         * libitm.h (ITM_PURE): Define.
1337         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1338
1339 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1340
1341         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1342         (validate): Add comment.
1343         (trydropreference): New.
1344         * method-readonly.cc (class readonly_dispatch): Add
1345         trydropreference.
1346         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1347         Call trydropreference().
1348         * libitm.h (_ITM_dropReferences): Remove const attribute.
1349         * method-serial.cc (class serial_dispatch): Add trydropreference.
1350         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1351
1352 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         * memcpy.cc (do_memcpy): Comment.
1355
1356 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1357
1358         * barrier.tpl: Add comments throughout.
1359
1360 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         * method-wbetl.cc (struct w_entry): Add comments.
1363         (trycommit): Same.
1364         (rollback): Same.
1365
1366 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1367
1368         * alloc_c.cc (_ITM_dropReferences): New.
1369         * libitm.map (_ITM_dropReferences): Add.
1370         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1371         * libitm_i.h (struct gtm_transaction): Declare
1372         drop_references_allocations and drop_references_local.
1373         * local.cc (rollback_local): Ignore memory when applicable.
1374         (drop_references_local): New.
1375
1376 2010-06-23  Richard Henderson  <rth@redhat.com>
1377
1378         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1379         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1380         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1381         * config/alpha/target.h: Likewise.
1382         * config/generic/tls.cc (gtm_mask_stack): Use it.
1383
1384 2010-06-23  Richard Henderson  <rth@redhat.com>
1385
1386         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1387         a mutex instead of trying a lock-free compare-and-swap on the list.
1388         (gtm_cacheline_page::operator delete): Likewise.
1389
1390 2010-06-16  Richard Henderson  <rth@redhat.com>
1391
1392         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1393         that overlap the libitm stack.
1394         * barrier.tpl: Mark incoming stack.
1395         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1396         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1397         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1398         * memcpy.cc, memset.cc: Likewise.
1399         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1400         * config/generic/tls.h (gtm_thread): Add stack_top member.
1401         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1402         * libitm_i.h (gtm_mask_stack): Declare.
1403         * config/generic/tls.cc: New file.
1404         * Makefile.am (libitm_la_SOURCES): Add it.
1405         (AM_CXXFLAGS): Turn off exceptions.
1406         * Makefile.in: Rebuild.
1407
1408 2010-06-16  Richard Henderson  <rth@redhat.com>
1409
1410         * alloc.cc (struct gtm_alloc_action): Move definition ...
1411         * libitm_i.h: ... here.
1412         (class gtm_transaction): Declare new and delete.
1413         * beginend.cc (alloc_tx): Reformulate as operator new.
1414         (free_tx): Reformulate as operator delete.
1415         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1416
1417 2010-06-11  Richard Henderson  <rth@redhat.com>
1418
1419         * clone.cc (clone_entry_compare): Fix typo.
1420         From Patrik Marlier <patrick.marlier@unine.ch>.
1421
1422 2010-05-13  Richard Henderson  <rth@redhat.com>
1423
1424         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1425         in extern "C".
1426
1427 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1428
1429         * libitm_i.h (struct gtm_transaction): Remove
1430         get_allocation_size.
1431         (record_allocation): Remove size parameter.
1432         * libitm.map (_ITM_realloc): Remove.
1433         * alloc_c.cc (_ITM_realloc): Remove.
1434         (_ITM_malloc): Remove size argument to record_allocation.
1435         (_ITM_calloc): Same.
1436         * alloc_cpp.cc (_ZGTtnwm): Same.
1437         (_ZGTtnwmRKSt9nothrow_t): Same.
1438         (_ZGTtnam): Same.
1439         (_ZGTtnamRKSt9nothrow_t): Same.
1440         * alloc.cc (struct gtm_alloc_action): Remove size.
1441         (get_allocation_size): Remove.
1442         (commit_allocations): Add comment.
1443         (record_allocation): Remove size parameter.
1444         (forget_allocation): Remove set of size.
1445
1446 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         * Makefile.am (abi_version): New.
1449         (AM_CXXFLAGS): Pass abi_version.
1450         * Makefile.in: Regenerate.
1451         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1452
1453 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1454
1455         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1456         _ITM_getTMCloneOrIrrevokable.
1457         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1458         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1459
1460 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1461
1462         * configure.ac: Remove Linux futex support.
1463         * configure.tgt (config_path): Same.
1464         * Makefile.am: Same.
1465         * config/linux: Remove entire directory.
1466         * configure: Rebuild.
1467         * Makefile.in: Rebuild.
1468         * testsuite/Makefile.in: Rebuild.
1469
1470 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1471
1472         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1473         switching to serial mode.
1474         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1475
1476 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1477
1478         * configure.tgt: Add emacs -*- tags.
1479         * barrier.tpl: Same.
1480
1481 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1482
1483         * Makefile.am: Rename serial.cc to method-serial.cc.
1484         * Makefile.in: Regenerate with automake 1.11.1.
1485         * testsuite/Makefile.in: Same.
1486         * aclocal.m4: Regenerate with aclocal 1.11.1.
1487         * method-serial.cc: Rename from serial.cc.
1488         * libitm_i.h (struct gtm_transaction): Update comment on
1489         serialirr_mode.
1490
1491 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1492
1493         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1494         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1495
1496 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1497
1498         * configure: Rebuild.
1499
1500 2009-11-12  Richard Henderson  <rth@redhat.com>
1501
1502         * Rewrite everything in C++.
1503
1504 2009-11-03  Richard Henderson  <rth@redhat.com>
1505
1506         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1507         * Makefile.am (libitm_la_SOURCES): Add them.
1508         * configure.ac (ARCH_X86): New conditional.
1509         * Makefile.in, configure: Rebuild.
1510         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1511         Move futex setup into "other system configury" case.
1512         * local.c (rollback_local): Merge into ...
1513         (GTM_rollback_local): ... here.
1514         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1515         (_ITM_LB): Define as an alias to GTM_LB.
1516
1517 2009-11-03  Richard Henderson  <rth@redhat.com>
1518
1519         * method-readonly.c: New file.
1520         * Makefile.am (libitm_la_SOURCES): Add it.
1521         * Makefile.in: Rebuild.
1522         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1523         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1524         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1525         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1526         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1527         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1528         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1529         gtm_get_clock, gtm_inc_clock): New.
1530         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1531         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1532         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1533         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1534         replace uses with new libitm_i.h symbols.
1535         (dispatch_wbetl): Rename from wbetl_dispatch.
1536         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1537         away from dispatch_readonly; abort if the beginTransaction call
1538         asserted that the transaction was readonly.
1539
1540 2009-11-03  Richard Henderson  <rth@redhat.com>
1541
1542         * memset.c: New file.
1543         * Makefile.am (libitm_la_SOURCES): Add it.
1544         * Makefile.in: Rebuild.
1545         * testsuite/libitm.c/memset-1.c: New.
1546
1547 2009-11-03  Richard Henderson  <rth@redhat.com>
1548
1549         * dispatch.c: Remove file.
1550         * useraction.c (struct gtm_user_action): Move from libitm.h.
1551         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1552         (serial_memset, serial_memmove, serial_memcpy): Remove.
1553         (serial_W*, serial_R*): Remove.
1554         (serial_dispatch): Update to match.
1555         * configure.ac: Move Werror down below configure checks.  Don't
1556         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1557         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1558         Use GCC_AC_FUNC_MMAP_BLACKLIST
1559         * libitm.h: Split out all internal items to...
1560         * libitm_i.h: ... here.  New file.
1561         * copymask.c: New file.
1562         * local.c (struct gtm_local_undo): Move from libitm.h.
1563         (GTM_alloc_local): Rename from alloc_local; export.
1564         * memcpy.c: New file.
1565         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1566         * config/posix/page.c: New file.
1567         * config/posix/target_tls.h: Remove file.
1568         * barrier.c: New file.
1569         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1570         copymask.c, page.c.
1571         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1572         * method-wbetl.c: Rewrite for new cacheline methods.
1573         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1574
1575         * config/alpha/sjlj.S: Fix typo.
1576         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1577         * config/alpha/copymask.c: New file.
1578         * config/alpha/target.h (CACHELINE_SIZE): New.
1579         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1580
1581         * config/x86/target_i.h: Copy functions from x86/target.h.
1582         * config/x86/copymask.c: New file.
1583         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1584         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1585         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1586         * config/x86/target_tls.h: Move contents to target_i.h.
1587
1588         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1589         * testsuite/libitm.c/memcpy-1.c: New.
1590
1591 2009-10-22  Richard Henderson  <rth@redhat.com>
1592
1593         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1594         (AM_CCASFLAGS): New.
1595         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1596         saving/restoring _AC_ARG_VAR_PRECIOUS.
1597         * Makefile.in, aclocal.m4, config.h.in, configure,
1598         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1599
1600 2009-10-22  Richard Henderson  <rth@redhat.com>
1601
1602         * testsuite/*: Update for new compiler syntax.
1603
1604 2009-10-21  Richard Henderson  <rth@redhat.com>
1605
1606         * libitm.h (_ITM_abortReason): Add outerAbort.
1607
1608 2009-08-03  Richard Henderson  <rth@redhat.com>
1609
1610         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1611         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1612         * method-wbetl.c (struct w_entry): Remove mask.
1613         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1614         adjust all callers.
1615
1616 2009-07-22  Richard Henderson  <rth@redhat.com>
1617
1618         * eh_cpp.c: New file.
1619         * Makefile.am (libitm_la_SOURCES): Add it.
1620         * Makefile.in: Rebuild.
1621         * beginend.c (GTM_rollback_transaction): Undo exception state.
1622         (GTM_trycommit_transaction): Mark inline.
1623         (GTM_trycommit_and_finalize_transaction): Split out from ...
1624         (_ITM_commitTransaction): ... here.
1625         (_ITM_commitTransactionEH): New function.
1626         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1627         cxa_unthrown, eh_in_flight; reorder.
1628
1629         * testsuite/libitm.c++/c++.exp: New.
1630         * testsuite/libitm.c++/eh-1.C: New.
1631
1632         * aatree.c (aa_free): Remove REGPARM.
1633         * aatree.h: Remove all REGPARM.
1634
1635 2009-07-18  Richard Henderson  <rth@redhat.com>
1636
1637         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1638         * Makefile.am (libitm_la_SOURCES): Add them.
1639         * Makefile.in: Rebuild.
1640         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1641         (GTM_trycommit_transaction): Likewise.
1642         * libitm.h: Include aatree.h
1643         (struct gtm_alloc_action): New.
1644         (struct gtm_transaction): Add alloc_actions.
1645         (GTM_record_allocation, GTM_forget_allocation): Declare.
1646         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1647         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1648         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1649         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1650         _ZGTtdaPvRKSt9nothrow_t): Export.
1651
1652 2009-07-18  Richard Henderson  <rth@redhat.com>
1653
1654         * target_tls.h: Move ...
1655         * config/posix/target_tls.h: ... here.
1656
1657 2009-07-07  Richard Henderson  <rth@redhat.com>
1658
1659         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1660
1661 2009-07-07  Richard Henderson  <rth@redhat.com>
1662
1663         * Update to GPL3.
1664
1665 2009-07-07  Richard Henderson  <rth@redhat.com>
1666
1667         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1668         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1669
1670         * configure.tgt: Don't use -ftls-model for x86 linux.
1671         * libitm.h: Include target.h after standard includes.
1672         (_gtm_thr): Rename from gtm_thr.
1673         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1674         (gtm_disp, set_gtm_disp): New.
1675         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1676         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1677         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1678
1679 2009-07-07  Richard Henderson  <rth@redhat.com>
1680
1681         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1682
1683 2009-07-06  Richard Henderson  <rth@redhat.com>
1684
1685         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1686         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1687         (_ITM_beginTransaction): Take variadic arguments.
1688         (_ITM_registerThrownObject): Declare.
1689         * beginend.c, serial.c: Update.
1690         * libitm.map: Add _ITM_registerThrownObject.
1691
1692 2009-01-28  Richard Henderson  <rth@redhat.com>
1693
1694         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1695         * Makefile.in: Rebuild.
1696         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1697         (GTM_restart_transaction): Fix uninstrumented code check.
1698         * retry.c (GTM_decide_retry_strategy): Add serial check.
1699         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1700         automatically go irrevokable when in serial mode.
1701         * clone.c: New file.
1702         * libitm.h, libitm.map: Update.
1703
1704 2009-01-27  Richard Henderson  <rth@redhat.com>
1705
1706         * Makefile.am (LTCCASCOMPILE): Define.
1707         (libitm_la_SOURCES): Add methid-wbetl.c.
1708         * testsuite/Makefile.am: New
1709         * configure.ac: Add testsuite/Makefile.
1710         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1711         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1712         (_ITM_abortTransaction): Finalize implementation method; pass
1713         transaction properties to longjmp.
1714         (GTM_restart_transaction): Split out from ...
1715         (_ITM_commitTransaction): ... here.
1716         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1717         Move to config/x86/target.h.
1718         * config/linux/alpha/futex_bits.h: New.
1719         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1720         * config/x86/target.h: Disable target types for 32-bit.
1721         * config/alpha/sjlj.S, config/alpha/target.h: New.
1722         * libitm.h (struct gtm_dispatch): Add init, fini.
1723         (enum restart_reason): New.
1724         (struct gtm_transaction): Add method and restarts.
1725         * retry.c (GTM_decide_retry_strategy): Implement.
1726         * serial.c (serial_init, serial_fini): New.
1727         (GTM_serialmode): Finialize outgoing method.
1728         * method-wbetl.c: New.
1729
1730 2008-12-09  Richard Henderson  <rth@redhat.com>
1731
1732         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1733         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1734         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1735         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1736         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1737         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1738         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1739         * serial.c (serial_R##T, serial_W##T): Likewise.
1740
1741 2008-11-21  Richard Henderson  <rth@redhat.com>
1742
1743         * Initial commit.