libitm/ChangeLog

   1 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
   2
   3         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
   4         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
   5
   6 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
   7
   8         PR libitm/64360
   9         * libitm.c/stackundo.c (test2): Make it static.
  10         (test1): Likewise.
  11
  12 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  13
  14         Update copyright years.
  15
  16 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  17
  18         * libitm.texi: Bump @copying's copyright year.
  19
  20 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  21
  22         * testsuite/lib/libitm.exp: Load target-utils.exp.
  23         Move load of target-supports.exp earlier.
  24
  25 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  26
  27         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  28
  29 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  30
  31         PR bootstrap/63784
  32         * configure: Regenerated.
  33
  34 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  35
  36         PR target/63610
  37         * configure: Regenerate.
  38
  39 2014-10-06  Marek Polacek  <polacek@redhat.com>
  40
  41         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  42         * testsuite/libitm.c/memset-1.c: Likewise.
  43
  44 2014-07-24  Richard Henderson  <rth@redhat.com>
  45
  46         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  47         addressing mode in epilogue.
  48
  49 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  50
  51         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  52         -mclear-hwcap instead.
  53         * configure: Regenerate.
  54         * clearcap.map: Remove.
  55
  56 2014-05-21  John Marino  <gnugcc@marino.st>
  57
  58         * configure.tgt (*-*-dragonfly*): New target.
  59
  60 2014-05-19  Richard Henderson  <rth@redhat.com>
  61
  62         * config/aarch64/sjlj.S: New file.
  63         * config/aarch64/target.h: New file.
  64         * configure.tgt: Enable aarch64.
  65
  66 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  67
  68         * config/generic/asmcfi.h: Also check for
  69         __GCC_HAVE_DWARF2_CFI_ASM.
  70
  71 2013-04-02  Richard Henderson  <rth@redhat.com>
  72
  73         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  74         * config/arm/target.h, config/sh/target.h: Likewise.
  75         * config/sparc/target.h, config/x86/target.h: Likewise.
  76
  77 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  78
  79         * config/linux/futex_bits.h: Include errno.h.
  80         (sys_futex0): If syscall returns -1, return -errno rather than
  81         -1.
  82
  83 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  84
  85         * libitm.texi (Index): Rename to Library Index.
  86
  87 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  88
  89         PR libitm/53113
  90         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  91         (x86_avx.lo): Append -mavx to CXXFLAGS.
  92         * Makefile.in: Regenerate.
  93
  94 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  95
  96         Update copyright years
  97
  98 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  99
 100         * libitm.texi: Bump @copying's copyright year.
 101
 102 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 103
 104         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 105         (FUNC): Define ELFv2 variant.
 106         (END): Likewise.
 107         (HIDDEN): Likewise.
 108         (CALL): Likewise.
 109         (BASE): Likewise.
 110         (LR_SAVE): Likewise.
 111
 112 2013-09-20  Alan Modra  <amodra@gmail.com>
 113
 114         * configure: Regenerate.
 115
 116 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 117
 118         * config/posix/rwlock.cc: Fix initialization order.
 119
 120 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 121
 122         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 123         (htm_fastpath): Assign an asm name.
 124         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 125         HTM fast paths.
 126         (_ITM_actions): Likewise.
 127         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 128         x86_64.
 129         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 130         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 131         field to the start of the structure.
 132         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 133         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 134         handling for custom HTM fast paths.
 135
 136 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 137         Revert:
 138         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 139
 140         * configure.tgt: Add -msoft-float to XCFLAGS.
 141
 142 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 143
 144         * configure.tgt: Add -msoft-float to XCFLAGS.
 145
 146 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 147
 148         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 149         (htm_transaction_active): Enable zEC12 instructions in the
 150         assembler.
 151         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 152
 153 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 154
 155         * acinclude.m4: Add htm asm check for s390.
 156         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 157         * configure: Regenerate.
 158         * config/s390/target.h: Remove __HTM__ check.
 159         (htm_available): Call getauxval to get hwcaps and check whether
 160         HTM is available or not.
 161
 162 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 163
 164         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 165         * configure.ac: Use it.
 166         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 167         (AC_CHECK_FUNCS): Check for getauxval.
 168         * config.h.in, configure: Rebuild.
 169         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 170         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 171         (USE_HTM_FASTPATH): Define.
 172         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 173         _HTM_RETRIES) New macros.
 174         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 175         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 176
 177 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 178
 179         * config/s390/target.h: Include htmintrin.h.
 180         (_HTM_ITM_RETRIES): New macro definition.
 181         (htm_available, htm_init, htm_begin, htm_begin_success)
 182         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 183
 184 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 185             Cesar Philippidis  <cesar@codesourcery.com>
 186
 187         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 188         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 189         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 190         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 191
 192 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 193
 194         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 195         (_ITM_getTransactionId): Same.
 196         * config/x86/target.h (htm_transaction_active): New.
 197
 198 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 199
 200         PR libitm/57643
 201         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 202         the HTM fastpath.
 203
 204 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 205
 206         PR bootstrap/56714
 207         * local_atomic (__always_inline): Always define our version.
 208         (__calculate_memory_order): Mark inline.
 209         (atomic_thread_fence): Ditto.
 210         (atomic_signal_fence): Ditto.
 211         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 212         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 213         (atomic_bool::atomic_flag_test_and_set): Ditto.
 214         (atomic_bool::atomic_flag_clear): Ditto.
 215
 216 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 217
 218         * config/s390/sjlj.S: New file.
 219         * config/s390/target.h: New file.
 220         * configure.tgt: Set options for S/390.
 221
 222 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 223
 224         * local_atomic (__always_inline): Add.
 225         (__calculate_memory_order, atomic_thread_fence,
 226          atomic_signal_fence, test_and_set, clear, store, load,
 227          exchange, compare_exchange_weak, compare_exchange_strong,
 228          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 229         Add __always_inline to force inlining.
 230
 231 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 232             Jack Howarth  <howarth@bromo.med.uc.edu>
 233             Patrick Marlier  <patrick.marlier@gmail.com>
 234
 235         PR libitm/55693
 236         * alloc_cpp.cc: Enable function declarations on darwin.
 237         * eh_cpp.cc: Likewise.
 238
 239 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 240
 241         Update copyright years.
 242
 243 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 244
 245         * beginend.cc (htm_fastpath): New.
 246         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 247         _ITM_commitTransactionEH): Add HTM fastpath handling.
 248         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 249         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 250         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 251         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 252         * configure.tgt: Add -mrtm to XCFLAGS.
 253         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 254         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 255         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 256         * retry.cc (parse_default_method): Add HTM method parsing.
 257         (gtm_thread::number_of_threads_changed): Use HTM by default if
 258         available.
 259
 260 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 261
 262         * configure: Regenerate.
 263
 264 2012-10-31  Richard Henderson  <rth@redhat.com>
 265
 266         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 267         * configure.ac: Use it.
 268         * config.h.in, configure: Rebuild.
 269         * testsuite/Makefile.in: Rebuild.
 270
 271 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 272
 273         * libitm.texi: Clarify ABI requirements for data-logging functions.
 274
 275 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 276
 277         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 278         it requires serial mode instead of assuming that for certain
 279         dispatchs.
 280         * dispatch.h (abi_dispatch::requires_serial): New.
 281         (abi_dispatch::abi_dispatch): Adapt.
 282         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 283         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 284         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 285         serial_dispatch::serial_dispatch,
 286         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 287
 288 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 289
 290         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 291         and ia32 declarations some more.
 292         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 293
 294 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 295
 296         PR other/43620
 297         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 298         * configure: Regenerate.
 299         * Makefile.in: Regenerate.
 300
 301 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 302
 303         * configure: Regenerated.
 304
 305 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 306
 307         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 308
 309 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 310
 311         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 312
 313 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 314
 315         * configure: Regenerated.
 316
 317 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 318
 319         PR libitm/52854
 320         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 321         for x86-64.
 322
 323 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 324
 325         * configure: Regenerate.
 326
 327 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 328
 329         PR bootstrap/52812
 330         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 331
 332 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 333
 334         * testsuite/lib/libitm.exp: load fortran-modules.exp
 335
 336 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 337
 338         * configure.tgt (*-*-irix6*): Remove.
 339
 340 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 341
 342         PR libitm/52526
 343         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 344         wake-up.
 345
 346 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 347
 348         * configure.tgt (*-*-osf*): Remove.
 349         * configure: Regenerate.
 350
 351 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 352
 353         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 354         memtransfer/memset if size isn't larger than zero.
 355
 356 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 357
 358         * libitm.texi: Link to specification and add a usage example.
 359
 360 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 361
 362         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 363         default dispatch for more than 1 thread to ml_wt.
 364
 365 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 366
 367         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 368
 369 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 370
 371         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 372
 373 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 374
 375         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 376         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 377         (gl_wt_dispatch.rollback): Same.
 378
 379 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 380
 381         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 382
 383 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 384
 385         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 386         for RfW src.  Optimize number of calls to gtm_thr.
 387
 388 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 389
 390         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 391         acquisition to ...
 392         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 393         (default_dispatch): Make atomic.
 394         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 395         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 396         use decide_begin_dispatch() if default_dispatch might have changed.
 397         (GTM::gtm_thread::number_of_threads_changed): Initialize
 398         default_dispatch here.
 399
 400 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 401             Patrick Marlier  <patrick.marlier@gmail.com>
 402
 403         PR libitm/52220
 404         * alloc_cpp.cc: No dummy definitions for darwin.
 405         * eh_cpp.cc: Likewise.
 406
 407 2012-02-14  Richard Henderson  <rth@redhat.com>
 408
 409         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 410
 411 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 412
 413         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 414
 415 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 416
 417         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 418         (GTM::gtm_thread): Add read and write logs.
 419         (GTM::dispatch_ml_wt): Declare.
 420         * retry.cc (parse_default_method): Support ml_wt.
 421         * method-ml.cc: New file.
 422         * Makefile.am: Add method-ml.cc.
 423         * Makefile.in: Regenerate.
 424
 425 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 426
 427         * dispatch.h (GTM::abi_dispatch::supports): New.
 428         (GTM::method_group::reinit): New.
 429         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 430         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 431         supports the current situation.
 432
 433 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 434
 435         * util.cc (GTM::xcalloc): New.
 436         * common.h (GTM::xcalloc): Declare.
 437
 438 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 439
 440         * config/sparc/target.h (cpu_relax): Read from CC register.
 441         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 442
 443 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 444
 445         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 446
 447 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 448
 449         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 450         * config/sparc/cacheline.h: New file.
 451         * config/sparc/target.h: Likewise.
 452         * config/sparc/sjlj.S: Likewise.
 453         * config/linux/sparc/futex_bits.h: Likewise.
 454
 455 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 456
 457         * configure.ac (link_itm): Fix comment.
 458         * configure: Regenerate.
 459         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 460
 461 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 462
 463         PR libitm/51822
 464         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 465         Correct libgomp references.
 466
 467 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 468
 469         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 470         wake-up.
 471
 472 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 473
 474         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 475         end of structure.
 476         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 477         offset values.  Do not copy return address.  Decrement stack
 478         by 56 bytes only.
 479         (GTM_longjump) [__x86_64__]: Update offset values.
 480
 481 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 482
 483         PR libitm/51830
 484         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 485         the first function argument to %eax.
 486
 487 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 488
 489         * libitm.h (_ITM_getThreadnum): Remove.
 490         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 491
 492 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 493
 494         * clearcap.map: New file.
 495         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 496         * configure.ac: Call it.
 497         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 498         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 499         * configure: Regenerate.
 500         * Makefile.in: Regenerate.
 501         * testsuite/Makefile.in: Regenerate.
 502
 503 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 504
 505         PR libitm/51173
 506         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 507         include, exclude options.
 508
 509 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 510
 511         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 512         rolling back.
 513         * containers.h (GTM::vector::set_size): New.
 514
 515 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 516
 517         PR libitm/51855
 518         * config/generic/tls.h (GTM::mask_stack_top): New.
 519         (GTM::mask_stack_bottom): Declare.
 520         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 521         * local.cc (gtm_undolog::rollback): Filter out any updates that
 522         overlap the libitm stack.  Add current transaction as parameter.
 523         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 524         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 525         * testsuite/libitm.c/stackundo.c: New test.
 526
 527 2012-01-10  Richard Henderson  <rth@redhat.com>
 528
 529         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 530         * eh_cpp.cc (_Unwind_DeleteException): Define for
 531         !HAVE_ELF_STYLE_WEAKREF.
 532
 533 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 534
 535         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 536         (GTM::gtm_thread::drop_references_undolog): Remove.
 537         (GTM::gtm_thread::commit_undolog,
 538         GTM::gtm_thread::rollback_undolog): Move to ...
 539         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 540         (GTM::gtm_undolog_entry): Remove.
 541         (GTM::gtm_thread): Adapt.
 542         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 543         (GTM::gtm_thread::trycommit): Adapt.
 544         * method-serial.cc (serial_dispatch::log): Adapt.
 545         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 546         (gl_wt_dispatch::store): Fix likely/unlikely.
 547         * containers.h (GTM::vector::resize): Add additional_capacity
 548         parameter and handle it.
 549         (GTM::vector::resize_noinline): New/adapt.
 550         (GTM::vector::push): New.
 551
 552 2012-01-06  Richard Henderson  <rth@redhat.com>
 553
 554         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 555         * config/linux/powerpc/futex_bits.h: New file.
 556         * config/powerpc/cacheline.h: New file.
 557         * config/powerpc/sjlj.S: New file.
 558         * config/powerpc/target.h: New file.
 559         * config/generic/asmcfi.h (cfi_offset): New.
 560         (cfi_restore, cfi_undefined): New.
 561
 562 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 563
 564         PR other/51171
 565         * testsuite/libitm.c/reentrant.c: Remove xfail.
 566         (thread): Pass x to pure().
 567         From Patrik Marlier <patrick.marlier@gmail.com>.
 568
 569 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 570
 571         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 572         privatization safety if already in serial mode.
 573
 574 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 575
 576         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 577         finish_serial_upgrade parameter.
 578         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 579         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 580         Don't unset reader flag.
 581         (GTM::gtm_rwlock::write_upgrade_finish): New.
 582         * config/posix/rwlock.cc: Same.
 583         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 584         Declare.
 585         * config/posix/rwlock.h: Same.
 586         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 587         flag after commit or after rollback when restarting.
 588
 589 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 590
 591         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 592         (GTM::gtm_thread::try_commit): Changed memory order.
 593         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 594         as parameter.
 595         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 596         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 597         * config/linux/futex_bits.h (sys_futex0): Same.
 598         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 599         * config/linux/futex.h (futex_wait, futex_wake): Same.
 600         * config/linux/rwlock.h (gtm_rwlock::writers,
 601         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 602         ints.
 603         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 604         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 605         gtm_rwlock::write_unlock): Fix memory orders and fences.
 606         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 607         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 608         gtm_rwlock::write_unlock): Same.
 609         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 610         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 611         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 612         Add comments.
 613         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 614         gl_wt_dispatch::load, gl_wt_dispatch::store,
 615         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 616         orders and fences.  Add comments.
 617
 618 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 619
 620         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 621         * Makefile.in: Regenerated.
 622
 623 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 624
 625         * configure.tgt: Add sh* case.
 626         * config/sh/target.h: New file.
 627         * config/sh/sjlj.S: New file.
 628         * config/linux/sh/futex_bits.h: New file.
 629
 630 2011-12-14  Richard Henderson  <rth@redhat.com>
 631
 632         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 633         * config/arm/sjlj.S, config/arm/target.h: New files.
 634         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 635         (cfi_rel_offset): New.
 636         * config/linux/futex_bits.h: New file.
 637         * config/linux/futex.cc: Include futex_bits.h here...
 638         * config/linux/futex.h: ... not here.
 639         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 640         * configure.ac (ARCH_AM): New conditional.
 641         * Makefile.in, configure: Rebuild.
 642         * configure.tgt: Handle ARM.
 643
 644 2011-12-13  Richard Henderson  <rth@redhat.com>
 645
 646         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 647         signed/unsigned comparison werror.
 648
 649         * local_atomic: New file.
 650         * libitm_i.h: Include it.
 651         (gtm_thread::shared_state): Use atomic template.
 652         * beginend.cc (GTM::gtm_clock): Use atomic template.
 653         (global_tid): Use atomic template if 64-bit atomics available.
 654         (gtm_thread::gtm_thread): Update shared_state access.
 655         (gtm_thread::trycommit): Likewise.
 656         (choose_code_path): Update global_tid access.
 657         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 658         * stmlock.h (GTM::gtm_clock): Use atomic template.
 659         (gtm_get_clock, gtm_inc_clock): Update accesses.
 660         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 661         redundant __sync_synchronize after atomic shared_state access.
 662         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 663         (gtm_rwlock::write_lock_generic): Likewise.
 664         (gtm_rwlock::read_unlock): Likewise.
 665         * config/alpha/target.h (atomic_read_barrier): Remove.
 666         (atomic_write_barrier): Remove.
 667         * config/x86/target.h (atomic_read_barrier): Remove.
 668         (atomic_write_barrier): Remove.
 669
 670 2011-11-30  Richard Henderson  <rth@redhat.com>
 671
 672         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 673         * beginend.c (_ITM_abortTransaction): Update to match.
 674         (GTM::gtm_thread::restart): Likewise.
 675         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 676         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 677
 678 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 679
 680         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 681         * Makefile.in: Regenerate.
 682
 683 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 684
 685         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 686         * alloc_cpp.cc: Generate dummy functions if we don't
 687         HAVE_ELF_STYLE_WEAKREF.
 688         * eh_cpp.cc: Likewise.
 689         * configure: Regenerate.
 690         * aclocal.m4:  Likewise.
 691         * config.h.in: Likewise.
 692         * Makefile.in: Likewise.
 693         * testsuite/Makefile.in: Likewise.
 694
 695 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 696
 697         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 698         __USER_LABEL_PREFIX__ for targets that use it.
 699         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 700         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 701         in portability to non-elf targets.
 702         (GTM_longjmp): Likewise.
 703         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 704         where required.
 705
 706 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 707
 708         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 709         * testsuite/libitm.c/memset-1.c: Likewise.
 710
 711 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 712
 713         * configure: Regenerate.
 714
 715 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 716
 717         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 718         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 719         * Makefile.am: Handle sun style versioning.
 720         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 721         * configure: Regenerate.
 722         * Makefile.in: Regenerate.
 723
 724 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 725
 726         * config/generic/asmcfi.h: Fix comment.
 727         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 728         sequence without .hidden support, error for non-ELF targets.
 729         (GTM_longjmp) [__ELF__]: Only use .hidden if
 730         HAVE_ATTRIBUTE_VISIBILITY.
 731
 732 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 733
 734         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 735         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 736         Dummy functions.
 737         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 738         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 739
 740 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 741
 742         PR bootstrap/51098
 743         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 744         * configure: Regenerate.
 745
 746 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 747
 748         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 749
 750 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 751
 752         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 753         .hidden.
 754         (.note.GNU-stack): Only use if __linux__.
 755         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 756         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 757         * testsuite/libitm.c/reentrant.c: Likewise.
 758         * testsuite/libitm.c/simple-2.c: Likewise.
 759         * testsuite/libitm.c/txrelease.c: Likewise.
 760         * testsuite/libitm.c++/static_ctor.C: Likewise.
 761
 762 2011-11-10  Richard Henderson  <rth@redhat.com>
 763
 764         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 765         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 766         * configure.ac (ARCH_X86_AVX): New conditional.
 767         * Makefile.in, configure: Rebuild.
 768
 769 2011-11-09  Richard Henderson  <rth@redhat.com>
 770
 771         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 772         * configure.ac: Use it.
 773         * config.h.in, configure: Rebuild.
 774         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 775
 776 2011-11-09  Richard Henderson  <rth@redhat.com>
 777
 778         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 779         * config/alpha/unaligned.h: Remove file.
 780         * config/generic/unaligned.h: Remove file.
 781         * config/x86/unaligned.h: Remove file.
 782         * config/generic/cachepage.h: Remove file.
 783         * config/posix/cachepage.cc: Remove file.
 784         * config/generic/cacheline.cc: Remove file.
 785         * config/x86/cacheline.cc: Remove file.
 786         * config/generic/cacheline.h (gtm_cacheline): Remove the
 787         store_mask, copy_mask, copy_mask_wb methods.
 788         * config/x86/cacheline.h: Likewise.
 789         * config/alpha/cacheline.h: Fall back to generic after setting size.
 790         * config/generic/tls.cc (gtm_mask_stack): Remove.
 791         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 792         (GTM_vpalignr_table): Remove.
 793         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 794         (GTM_pshift_table): Remove.
 795         * config/libitm_i.h: Don't include cachepage.h.
 796         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 797         * Makefile.in, testsuite/Makefile.in: Rebuild.
 798
 799 2011-11-09  Richard Henderson  <rth@redhat.com>
 800
 801         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 802         to emit branch prediction hint.
 803
 804         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 805         Protect .note.GNU-stack with __linux__.
 806
 807         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 808         * configure, aclocal.m4, config.h.in: Rebuild.
 809         * config/generic/asmcfi.h: New file.
 810         * config/x86/sjlj.S: Use it.
 811
 812 2011-11-08  Richard Henderson  <rth@redhat.com>
 813
 814         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 815
 816 2011-11-08  Richard Henderson  <rth@redhat.com>
 817
 818         * configure.tgt: Test correct directory for supported cpus.
 819
 820         * configure.ac: Exit if unsupported.
 821         * configure: Rebuild.
 822         * configure.tgt: Delete boilerplate from libgomp for unsupported
 823         targets.  Set UNSUPPORTED for unsupported targets.
 824
 825 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 826
 827         * configure.tgt: Handle i386 like i[456]86.
 828         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 829         take address.
 830         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 831         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 832
 833 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 834
 835         * method-wbetl.cc: Update copyright notice.
 836         * aatree.cc: Same.
 837         * util.cc: Same.
 838         * libitm.h: Same.
 839         * memset.cc: Same.
 840         * eh_cpp.cc: Same.
 841         * barrier.tpl: Same.
 842         * useraction.cc: Same.
 843         * stmlock.h: Same.
 844         * memcpy.cc: Same.
 845         * common.h: Same.
 846         * config/generic/tls.cc: Same.
 847         * config/generic/cacheline.h: Same.
 848         * config/generic/cachepage.h: Same.
 849         * config/generic/cacheline.cc: Same.
 850         * config/generic/unaligned.h: Same.
 851         * config/x86/cacheline.h: Same.
 852         * config/x86/cacheline.cc: Same.
 853         * config/x86/unaligned.h: Same.
 854         * config/alpha/cacheline.h: Same.
 855         * config/alpha/unaligned.h: Same.
 856         * config/alpha/sjlj.S: Same.
 857         * config/posix/cachepage.cc: Same.
 858         * config/linux/futex.h: Same.
 859         * config/linux/alpha/futex_bits.h: Same.
 860
 861 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 862
 863         * libitm.texi: No cover text and invariant sections.
 864
 865 2011-11-03  Richard Henderson  <rth@redhat.com>
 866
 867         * local_type_traits: New file.
 868         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 869
 870 2011-11-03  Richard Henderson  <rth@redhat.com>
 871
 872         * configure.ac: Don't test for gfortran.
 873         * configure: Rebuild.
 874
 875         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 876         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 877
 878 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 879
 880         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 881         * testsuite/libitm.c/memset-1.c: Same.
 882         * testsuite/libitm.c/c.exp: Same.
 883         * testsuite/lib/libitm-dg.exp: Same.
 884         * testsuite/lib/libitm.exp: Same.
 885         * testsuite/libitm.c++/c++.exp: Same.
 886
 887 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 888
 889         * testsuite/config/default.exp: Update copyright date.
 890         * configure.ac: Add copyright info.
 891         * configure.tgt: Same.
 892
 893 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 894
 895         * testsuite/libitm.c/reentrant.c: XFAIL.
 896         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 897
 898 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 899
 900         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 901         handle aborts.
 902         (_ITM_abortTransaction): Handle aborts of outer transactions.
 903         * libitm_i.h: Same.
 904         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 905         * libitm.texi: Document aborts of outer transactions.
 906         * testsuite/libitm.c/cancel.c: New file.
 907
 908 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 909
 910         * testsuite/*: Change __transaction to __transaction_atomic or
 911         __transaction_relaxed.
 912
 913 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 914
 915         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 916         (gtm_thr): Same.
 917
 918 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 919
 920         * libitm_i.h: Add gl_wt dispatch.
 921         * retry.cc (parse_default_method): Same.
 922         * method-gl.cc: New file.
 923         * Makefile.am: Use method-gl.cc.
 924         * Makefile.in: Rebuild.
 925
 926 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 927
 928         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 929         safety if requested by a TM method.
 930         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 931         privatization safety.
 932         * method-serial.cc: Same.
 933
 934 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 935
 936         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 937         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 938         undolog-related member functions from *_local to *_undolog.
 939         * local.cc (gtm_thread::commit_undolog): Same.
 940         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 941         (GTM::gtm_thread::rollback): Roll back undolog before
 942         dispatch-specific rollback.
 943
 944 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 945
 946         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 947         re-initialization of the current method group.
 948         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 949
 950 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 951
 952         * alloc.cc (commit_allocations_2): Do not free transaction-local
 953         memory when committing a nested transaction.
 954
 955 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 956
 957         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 958         serial-irrevocable dispatch, not serial.
 959
 960 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 961
 962         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 963         declarations.
 964         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 965         * method-serial.cc: Implement begin_or_restart().
 966         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 967         dispatch-specific begin_or_restart().
 968         (GTM::gtm_thread::restart): Same.
 969
 970 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 971
 972         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 973         restarting without switching to serial mode.
 974         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 975         transaction state. Choose closed-nesting alternative if available.
 976         (GTM::gtm_thread::set_default_dispatch): New.
 977         (parse_default_method): New.
 978         (GTM::gtm_thread::number_of_threads_changed): New.
 979         * method-serial.cc (GTM::serial_mg): New method group class.
 980         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 981         fini.
 982         (GTM::serial_dispatch): Same.
 983         (GTM::serialirr_onwrite_dispatch): Same.
 984         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 985         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 986         registered threads.
 987         (GTM::gtm_thread::gtm_thread): Same.
 988         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 989         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 990         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 991         choose dispatch but set state according to dispatch here.
 992         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 993         (GTM::method_group): New class.
 994         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 995         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 996         * libitm.texi: Document TM methods, method groups, method life cycle.
 997         Rename method sets to method groups.
 998
 999 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1000
1001         * config/x86/tls.h: Moved to ...
1002         * config/linux/x86/tls.h: ... here.
1003
1004 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1005
1006         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1007         Add X32 support.
1008         * config/x86/sjlj.S: Same.
1009
1010 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1011
1012         * config/linux/rwlock.h: New file.
1013         * config/linux/rwlock.c: New file.
1014         * configure.ac: Reenable futex support (undo SVN rev 157758).
1015         * Makefile.am: Same.
1016         * configure.tgt: Same.
1017         * config/linux/alpha/futex_bits.h: Same.
1018         * config/linux/futex.h: Same. Return number of woken processes.
1019         * config/linux/futex.cc: Same.
1020         (futex_wait): Remove spinning.
1021         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1022         Use __x86_64__ instead of __LP64__.
1023         * aclocal.m4: Include generic futex checks.
1024         * configure: Rebuild.
1025         * Makefile.in: Rebuild.
1026         * testsuite/Makefile.in: Rebuild.
1027         * beginend.cc: Include pthread.h.
1028         * config/posix/cachepage.cc: Same.
1029
1030 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1031
1032         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1033         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1034         (set_gtm_thr): New.
1035         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1036         (set_gtm_thr): New.
1037         (GTM::gtm_thread::thread_num): Removed.
1038         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1039         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1040         tx-to-thread renaming.
1041         * beginend.cc: Adapted to tx-to-thread renaming.
1042         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1043         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1044         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1045         gtm_transaction to gtm_thread.
1046         (_ITM_getThreadnum): Removed. Not supported anymore.
1047         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1048         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1049         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1050         gtm_tx-to-gtm_thr renaming if necessary.
1051         * eh_cpp.cc: Same.
1052         * local.cc: Same.
1053         * retry.cc: Same.
1054         * clone.cc: Same.
1055         * alloc.cc: Same.
1056         * alloc_c.cc: Same.
1057         * alloc_cpp.cc: Same.
1058         * method-serial.cc: Same.
1059         * config/generic/tls.cc: Same.
1060         * config/posix/rwlock.h (gtm_rwlock): Same.
1061         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1062
1063 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1064
1065         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1066         implementation.
1067         (gtm_rwlock::read_unlock): Same.
1068         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1069         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1070         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1071         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1072         w_upgrade. Replaced by per-transaction flags (in shared_state).
1073         Added c_confirmed_writers.
1074         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1075         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1076         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1077         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1078         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1079         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1080         * libitm.texi: Document locking conventions and implementations in
1081         libitm.
1082
1083 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1084
1085         * libitm_i.h (next_tx): Add list of all threads' transaction.
1086         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1087         transaction with list of transactions and ...
1088         (thread_exit_handler): ... deregister here.
1089         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1090         * config/x86/target.h: Same.
1091
1092 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1093
1094         * testsuite/libitm.c++/static_ctor.C: New file.
1095
1096 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1097
1098         * testsuite/libitm.c/reentrant.c: New file.
1099
1100 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1101
1102         * config/generic/tls.h: Remove the free list for transactions and ...
1103         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1104         (GTM::gtm_transaction::operator delete): ... and release here.
1105         (thread_exit_handler): New. Delete tx when thread terminates.
1106         (thread_exit_init): New.
1107         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1108         * testsuite/libitm.c/txrelease.c: New file.
1109
1110 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1111
1112         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1113         * testsuite/libitm.c/notx.c: New file.
1114
1115 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1116
1117         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1118         * libitm_i.h (local_tid): ... to here.
1119         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1120         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1121
1122 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1123
1124         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1125         serialirr_onwrite_dispatch as new default for now.
1126         * method-serial.cc (serialirr_onwrite_dispatch): New.
1127         (GTM::dispatch_serialirr_onwrite): New.
1128         * libitm_i.h: Same.
1129
1130 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1131
1132         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1133         * query.cc (_ITM_getTransactionId): There is no active transaction if
1134         the current nesting level is zero.
1135
1136 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1137
1138         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1139         rollback.
1140
1141 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1142
1143         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1144         transaction properties from the caller instead of from the
1145         transaction object.
1146         * libitm_i.h: Same.
1147         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1148
1149 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1150
1151         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1152         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1153         * dispatch.h: Same.
1154         * method-serial.cc: Same.
1155         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1156         flat nesting as default, and closed nesting on demand.
1157         (GTM::gtm_transaction::rollback): Same.
1158         (_ITM_abortTransaction): Same.
1159         (GTM::gtm_transaction::restart): Same.
1160         (GTM::gtm_transaction::trycommit): Same.
1161         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1162         (choose_code_path): New.
1163         (GTM::gtm_transaction_cp::save): New.
1164         (GTM::gtm_transaction_cp::commit): New.
1165         * query.cc (_ITM_inTransaction): Support flat nesting.
1166         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1167         (GTM::gtm_transaction): Support flat and closed nesting.
1168         * alloc.cc (commit_allocations_2): New.
1169         (commit_cb_data): New helper struct.
1170         (GTM::gtm_transaction::commit_allocations): Handle nested
1171         commits/rollbacks.
1172         * libitm.texi: Update user action section, add description of nesting.
1173
1174 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1175
1176         * libitm_i.h: Add closed nesting as restart reason.
1177         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1178
1179 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1180
1181         * useraction.cc: Use vector instead of list to store actions.
1182         Also support partial rollbacks for closed nesting.
1183         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1184         * beginend.cc: Same.
1185
1186 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1187
1188         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1189         closed_nesting flags, as well as a closed nesting alternative.
1190         * method-serial.cc: Same.
1191         (serial_dispatch): Renamed to serialirr_dispatch.
1192         (GTM::dispatch_serialirr): Same.
1193         (serial_dispatch_ul): Renamed to serial_dispatch.
1194         (GTM::dispatch_serial): Same.
1195
1196 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1197
1198         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1199
1200 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1201
1202         * aatree.h (aa_tree::remove): New.
1203         (aa_tree::operator new): Add placement new.
1204
1205 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1206
1207         * containers.h: New file.
1208         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1209         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1210         * common.h: ... to here.
1211         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1212         * local.cc: Same.
1213
1214 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1215
1216         * libitm_i.h (STATE_ABORTING): Remove.
1217         * beginend.cc (_ITM_abortTransaction): Same.
1218         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1219         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1220         (_ITM_rollbackTransaction): Remove.
1221         * beginend.cc: Same.
1222         * libitm.map: Same.
1223         * libitm.texi: Document these ABI changes.
1224
1225 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1226
1227         * libitm.texi: New file.
1228         * Makefile.am: Add libitm.texi.
1229         * Makefile.in: Rebuild.
1230
1231 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1232
1233         * libitm_i.h: Move parts to common.h and dispatch.h.
1234         * common.h: New file.
1235         * dispatch.h: New file, new dispatch class.
1236         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1237         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1238         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1239         decision to retry.cc.
1240         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1241         only.
1242         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1243         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1244         logging.
1245         * barrier.cc: Use new barriers definitions.
1246         (abi_dispatch::memmove_overlap_check): New.
1247         * config/x86/x86_sse.cc: Same.
1248         * config/x86/x86_avx.cc: Same.
1249         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1250         memcpy.cc.
1251         * Makefile.in: Rebuild.
1252         * method-readonly.cc: Remove.
1253         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1254         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1255
1256 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1257
1258         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1259         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1260         * testsuite/libitm.c/dropref-2.c: Same.
1261         * testsuite/libitm.c/dropref.c: Same.
1262
1263 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1264
1265         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1266         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1267         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1268         * alloc_c.cc: Same.
1269         * barrier.tpl: Same.
1270         * beginend.c: Same.
1271         * config/generic/tls.h: Same.
1272         * config/x86/tls.h: Same.
1273         * libitm_i.h: Same.
1274         * memcpy.cc: Same.
1275         * memset.cc: Same.
1276         * method-readonly.cc: Same.
1277         * method-serial.cc: Same.
1278         * method-wbetl.cc: Same.
1279         * retry.cc: Same.
1280
1281 2011-03-03  Richard Henderson  <rth@redhat.com>
1282
1283         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1284         From Patrik Marlier <patrick.marlier@unine.ch>.
1285
1286 2011-02-03  Richard Henderson  <rth@redhat.com>
1287
1288         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1289         * configure.ac: Use it.
1290         * configure, config.h.in: Rebuild.
1291         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1292         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1293         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1294         * libitm.map: Use wildcards to match size_t mangling.
1295
1296 2010-12-14  Richard Henderson  <rth@redhat.com>
1297
1298         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1299         blocks of TIDs per thread.
1300         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1301         (setup_gtm_thr): Return the thread structure.
1302         * config/x86/tls.h (setup_gtm_thr): Likewise.
1303
1304 2010-12-14  Richard Henderson  <rth@redhat.com>
1305
1306         * clone.cc (table_lock): Remove.
1307         (find_clone): Don't take it.
1308         (ExcludeTransaction): New helper class.
1309         (_ITM_registerTMCloneTable): Use it.
1310         (_ITM_deregisterTMCloneTable): Likewise.
1311
1312 2010-12-14  Richard Henderson  <rth@redhat.com>
1313
1314         * config/x86/tls.h: New file.
1315
1316 2010-07-15  Richard Henderson  <rth@redhat.com>
1317
1318         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1319         * Makefile.in: Rebuild.
1320
1321 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * method-wbetl.cc (trydropreference): Fix source line.
1324
1325 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1326
1327         * libitm.h: Add comment.
1328         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1329
1330 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1331
1332         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1333         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1334         available, use pthread mutexes.
1335         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1336         * config.h.in: Regenerate.
1337         * configure: Regenerate.
1338
1339 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1340
1341         * libitm.h (ITM_PURE): Define.
1342         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1343
1344 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1345
1346         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1347         (validate): Add comment.
1348         (trydropreference): New.
1349         * method-readonly.cc (class readonly_dispatch): Add
1350         trydropreference.
1351         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1352         Call trydropreference().
1353         * libitm.h (_ITM_dropReferences): Remove const attribute.
1354         * method-serial.cc (class serial_dispatch): Add trydropreference.
1355         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1356
1357 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1358
1359         * memcpy.cc (do_memcpy): Comment.
1360
1361 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1362
1363         * barrier.tpl: Add comments throughout.
1364
1365 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1366
1367         * method-wbetl.cc (struct w_entry): Add comments.
1368         (trycommit): Same.
1369         (rollback): Same.
1370
1371 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1372
1373         * alloc_c.cc (_ITM_dropReferences): New.
1374         * libitm.map (_ITM_dropReferences): Add.
1375         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1376         * libitm_i.h (struct gtm_transaction): Declare
1377         drop_references_allocations and drop_references_local.
1378         * local.cc (rollback_local): Ignore memory when applicable.
1379         (drop_references_local): New.
1380
1381 2010-06-23  Richard Henderson  <rth@redhat.com>
1382
1383         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1384         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1385         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1386         * config/alpha/target.h: Likewise.
1387         * config/generic/tls.cc (gtm_mask_stack): Use it.
1388
1389 2010-06-23  Richard Henderson  <rth@redhat.com>
1390
1391         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1392         a mutex instead of trying a lock-free compare-and-swap on the list.
1393         (gtm_cacheline_page::operator delete): Likewise.
1394
1395 2010-06-16  Richard Henderson  <rth@redhat.com>
1396
1397         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1398         that overlap the libitm stack.
1399         * barrier.tpl: Mark incoming stack.
1400         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1401         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1402         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1403         * memcpy.cc, memset.cc: Likewise.
1404         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1405         * config/generic/tls.h (gtm_thread): Add stack_top member.
1406         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1407         * libitm_i.h (gtm_mask_stack): Declare.
1408         * config/generic/tls.cc: New file.
1409         * Makefile.am (libitm_la_SOURCES): Add it.
1410         (AM_CXXFLAGS): Turn off exceptions.
1411         * Makefile.in: Rebuild.
1412
1413 2010-06-16  Richard Henderson  <rth@redhat.com>
1414
1415         * alloc.cc (struct gtm_alloc_action): Move definition ...
1416         * libitm_i.h: ... here.
1417         (class gtm_transaction): Declare new and delete.
1418         * beginend.cc (alloc_tx): Reformulate as operator new.
1419         (free_tx): Reformulate as operator delete.
1420         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1421
1422 2010-06-11  Richard Henderson  <rth@redhat.com>
1423
1424         * clone.cc (clone_entry_compare): Fix typo.
1425         From Patrik Marlier <patrick.marlier@unine.ch>.
1426
1427 2010-05-13  Richard Henderson  <rth@redhat.com>
1428
1429         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1430         in extern "C".
1431
1432 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1433
1434         * libitm_i.h (struct gtm_transaction): Remove
1435         get_allocation_size.
1436         (record_allocation): Remove size parameter.
1437         * libitm.map (_ITM_realloc): Remove.
1438         * alloc_c.cc (_ITM_realloc): Remove.
1439         (_ITM_malloc): Remove size argument to record_allocation.
1440         (_ITM_calloc): Same.
1441         * alloc_cpp.cc (_ZGTtnwm): Same.
1442         (_ZGTtnwmRKSt9nothrow_t): Same.
1443         (_ZGTtnam): Same.
1444         (_ZGTtnamRKSt9nothrow_t): Same.
1445         * alloc.cc (struct gtm_alloc_action): Remove size.
1446         (get_allocation_size): Remove.
1447         (commit_allocations): Add comment.
1448         (record_allocation): Remove size parameter.
1449         (forget_allocation): Remove set of size.
1450
1451 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1452
1453         * Makefile.am (abi_version): New.
1454         (AM_CXXFLAGS): Pass abi_version.
1455         * Makefile.in: Regenerate.
1456         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1457
1458 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1459
1460         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1461         _ITM_getTMCloneOrIrrevokable.
1462         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1463         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1464
1465 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1466
1467         * configure.ac: Remove Linux futex support.
1468         * configure.tgt (config_path): Same.
1469         * Makefile.am: Same.
1470         * config/linux: Remove entire directory.
1471         * configure: Rebuild.
1472         * Makefile.in: Rebuild.
1473         * testsuite/Makefile.in: Rebuild.
1474
1475 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1476
1477         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1478         switching to serial mode.
1479         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1480
1481 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1482
1483         * configure.tgt: Add emacs -*- tags.
1484         * barrier.tpl: Same.
1485
1486 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1487
1488         * Makefile.am: Rename serial.cc to method-serial.cc.
1489         * Makefile.in: Regenerate with automake 1.11.1.
1490         * testsuite/Makefile.in: Same.
1491         * aclocal.m4: Regenerate with aclocal 1.11.1.
1492         * method-serial.cc: Rename from serial.cc.
1493         * libitm_i.h (struct gtm_transaction): Update comment on
1494         serialirr_mode.
1495
1496 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1497
1498         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1499         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1500
1501 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1502
1503         * configure: Rebuild.
1504
1505 2009-11-12  Richard Henderson  <rth@redhat.com>
1506
1507         * Rewrite everything in C++.
1508
1509 2009-11-03  Richard Henderson  <rth@redhat.com>
1510
1511         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1512         * Makefile.am (libitm_la_SOURCES): Add them.
1513         * configure.ac (ARCH_X86): New conditional.
1514         * Makefile.in, configure: Rebuild.
1515         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1516         Move futex setup into "other system configury" case.
1517         * local.c (rollback_local): Merge into ...
1518         (GTM_rollback_local): ... here.
1519         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1520         (_ITM_LB): Define as an alias to GTM_LB.
1521
1522 2009-11-03  Richard Henderson  <rth@redhat.com>
1523
1524         * method-readonly.c: New file.
1525         * Makefile.am (libitm_la_SOURCES): Add it.
1526         * Makefile.in: Rebuild.
1527         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1528         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1529         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1530         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1531         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1532         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1533         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1534         gtm_get_clock, gtm_inc_clock): New.
1535         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1536         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1537         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1538         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1539         replace uses with new libitm_i.h symbols.
1540         (dispatch_wbetl): Rename from wbetl_dispatch.
1541         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1542         away from dispatch_readonly; abort if the beginTransaction call
1543         asserted that the transaction was readonly.
1544
1545 2009-11-03  Richard Henderson  <rth@redhat.com>
1546
1547         * memset.c: New file.
1548         * Makefile.am (libitm_la_SOURCES): Add it.
1549         * Makefile.in: Rebuild.
1550         * testsuite/libitm.c/memset-1.c: New.
1551
1552 2009-11-03  Richard Henderson  <rth@redhat.com>
1553
1554         * dispatch.c: Remove file.
1555         * useraction.c (struct gtm_user_action): Move from libitm.h.
1556         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1557         (serial_memset, serial_memmove, serial_memcpy): Remove.
1558         (serial_W*, serial_R*): Remove.
1559         (serial_dispatch): Update to match.
1560         * configure.ac: Move Werror down below configure checks.  Don't
1561         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1562         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1563         Use GCC_AC_FUNC_MMAP_BLACKLIST
1564         * libitm.h: Split out all internal items to...
1565         * libitm_i.h: ... here.  New file.
1566         * copymask.c: New file.
1567         * local.c (struct gtm_local_undo): Move from libitm.h.
1568         (GTM_alloc_local): Rename from alloc_local; export.
1569         * memcpy.c: New file.
1570         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1571         * config/posix/page.c: New file.
1572         * config/posix/target_tls.h: Remove file.
1573         * barrier.c: New file.
1574         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1575         copymask.c, page.c.
1576         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1577         * method-wbetl.c: Rewrite for new cacheline methods.
1578         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1579
1580         * config/alpha/sjlj.S: Fix typo.
1581         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1582         * config/alpha/copymask.c: New file.
1583         * config/alpha/target.h (CACHELINE_SIZE): New.
1584         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1585
1586         * config/x86/target_i.h: Copy functions from x86/target.h.
1587         * config/x86/copymask.c: New file.
1588         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1589         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1590         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1591         * config/x86/target_tls.h: Move contents to target_i.h.
1592
1593         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1594         * testsuite/libitm.c/memcpy-1.c: New.
1595
1596 2009-10-22  Richard Henderson  <rth@redhat.com>
1597
1598         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1599         (AM_CCASFLAGS): New.
1600         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1601         saving/restoring _AC_ARG_VAR_PRECIOUS.
1602         * Makefile.in, aclocal.m4, config.h.in, configure,
1603         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1604
1605 2009-10-22  Richard Henderson  <rth@redhat.com>
1606
1607         * testsuite/*: Update for new compiler syntax.
1608
1609 2009-10-21  Richard Henderson  <rth@redhat.com>
1610
1611         * libitm.h (_ITM_abortReason): Add outerAbort.
1612
1613 2009-08-03  Richard Henderson  <rth@redhat.com>
1614
1615         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1616         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1617         * method-wbetl.c (struct w_entry): Remove mask.
1618         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1619         adjust all callers.
1620
1621 2009-07-22  Richard Henderson  <rth@redhat.com>
1622
1623         * eh_cpp.c: New file.
1624         * Makefile.am (libitm_la_SOURCES): Add it.
1625         * Makefile.in: Rebuild.
1626         * beginend.c (GTM_rollback_transaction): Undo exception state.
1627         (GTM_trycommit_transaction): Mark inline.
1628         (GTM_trycommit_and_finalize_transaction): Split out from ...
1629         (_ITM_commitTransaction): ... here.
1630         (_ITM_commitTransactionEH): New function.
1631         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1632         cxa_unthrown, eh_in_flight; reorder.
1633
1634         * testsuite/libitm.c++/c++.exp: New.
1635         * testsuite/libitm.c++/eh-1.C: New.
1636
1637         * aatree.c (aa_free): Remove REGPARM.
1638         * aatree.h: Remove all REGPARM.
1639
1640 2009-07-18  Richard Henderson  <rth@redhat.com>
1641
1642         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1643         * Makefile.am (libitm_la_SOURCES): Add them.
1644         * Makefile.in: Rebuild.
1645         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1646         (GTM_trycommit_transaction): Likewise.
1647         * libitm.h: Include aatree.h
1648         (struct gtm_alloc_action): New.
1649         (struct gtm_transaction): Add alloc_actions.
1650         (GTM_record_allocation, GTM_forget_allocation): Declare.
1651         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1652         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1653         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1654         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1655         _ZGTtdaPvRKSt9nothrow_t): Export.
1656
1657 2009-07-18  Richard Henderson  <rth@redhat.com>
1658
1659         * target_tls.h: Move ...
1660         * config/posix/target_tls.h: ... here.
1661
1662 2009-07-07  Richard Henderson  <rth@redhat.com>
1663
1664         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1665
1666 2009-07-07  Richard Henderson  <rth@redhat.com>
1667
1668         * Update to GPL3.
1669
1670 2009-07-07  Richard Henderson  <rth@redhat.com>
1671
1672         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1673         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1674
1675         * configure.tgt: Don't use -ftls-model for x86 linux.
1676         * libitm.h: Include target.h after standard includes.
1677         (_gtm_thr): Rename from gtm_thr.
1678         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1679         (gtm_disp, set_gtm_disp): New.
1680         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1681         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1682         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1683
1684 2009-07-07  Richard Henderson  <rth@redhat.com>
1685
1686         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1687
1688 2009-07-06  Richard Henderson  <rth@redhat.com>
1689
1690         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1691         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1692         (_ITM_beginTransaction): Take variadic arguments.
1693         (_ITM_registerThrownObject): Declare.
1694         * beginend.c, serial.c: Update.
1695         * libitm.map: Add _ITM_registerThrownObject.
1696
1697 2009-01-28  Richard Henderson  <rth@redhat.com>
1698
1699         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1700         * Makefile.in: Rebuild.
1701         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1702         (GTM_restart_transaction): Fix uninstrumented code check.
1703         * retry.c (GTM_decide_retry_strategy): Add serial check.
1704         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1705         automatically go irrevokable when in serial mode.
1706         * clone.c: New file.
1707         * libitm.h, libitm.map: Update.
1708
1709 2009-01-27  Richard Henderson  <rth@redhat.com>
1710
1711         * Makefile.am (LTCCASCOMPILE): Define.
1712         (libitm_la_SOURCES): Add methid-wbetl.c.
1713         * testsuite/Makefile.am: New
1714         * configure.ac: Add testsuite/Makefile.
1715         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1716         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1717         (_ITM_abortTransaction): Finalize implementation method; pass
1718         transaction properties to longjmp.
1719         (GTM_restart_transaction): Split out from ...
1720         (_ITM_commitTransaction): ... here.
1721         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1722         Move to config/x86/target.h.
1723         * config/linux/alpha/futex_bits.h: New.
1724         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1725         * config/x86/target.h: Disable target types for 32-bit.
1726         * config/alpha/sjlj.S, config/alpha/target.h: New.
1727         * libitm.h (struct gtm_dispatch): Add init, fini.
1728         (enum restart_reason): New.
1729         (struct gtm_transaction): Add method and restarts.
1730         * retry.c (GTM_decide_retry_strategy): Implement.
1731         * serial.c (serial_init, serial_fini): New.
1732         (GTM_serialmode): Finialize outgoing method.
1733         * method-wbetl.c: New.
1734
1735 2008-12-09  Richard Henderson  <rth@redhat.com>
1736
1737         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1738         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1739         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1740         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1741         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1742         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1743         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1744         * serial.c (serial_R##T, serial_W##T): Likewise.
1745
1746 2008-11-21  Richard Henderson  <rth@redhat.com>
1747
1748         * Initial commit.