libitm/ChangeLog

   1 2014-07-16  Release Manager
   2
   3         * GCC 4.9.1 released.
   4
   5 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   6
   7         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
   8         -mclear-hwcap instead.
   9         * configure: Regenerate.
  10         * clearcap.map: Remove.
  11
  12 2014-04-22  Release Manager
  13
  14         * GCC 4.9.0 released.
  15
  16 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  17
  18         * config/generic/asmcfi.h: Also check for
  19         __GCC_HAVE_DWARF2_CFI_ASM.
  20
  21 2013-04-02  Richard Henderson  <rth@redhat.com>
  22
  23         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  24         * config/arm/target.h, config/sh/target.h: Likewise.
  25         * config/sparc/target.h, config/x86/target.h: Likewise.
  26
  27 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  28
  29         * config/linux/futex_bits.h: Include errno.h.
  30         (sys_futex0): If syscall returns -1, return -errno rather than
  31         -1.
  32
  33 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  34
  35         * libitm.texi (Index): Rename to Library Index.
  36
  37 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  38
  39         PR libitm/53113
  40         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  41         (x86_avx.lo): Append -mavx to CXXFLAGS.
  42         * Makefile.in: Regenerate.
  43
  44 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  45
  46         Update copyright years
  47
  48 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  49
  50         * libitm.texi: Bump @copying's copyright year.
  51
  52 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  53
  54         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  55         (FUNC): Define ELFv2 variant.
  56         (END): Likewise.
  57         (HIDDEN): Likewise.
  58         (CALL): Likewise.
  59         (BASE): Likewise.
  60         (LR_SAVE): Likewise.
  61
  62 2013-09-20  Alan Modra  <amodra@gmail.com>
  63
  64         * configure: Regenerate.
  65
  66 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  67
  68         * config/posix/rwlock.cc: Fix initialization order.
  69
  70 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  71
  72         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  73         (htm_fastpath): Assign an asm name.
  74         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  75         HTM fast paths.
  76         (_ITM_actions): Likewise.
  77         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  78         x86_64.
  79         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  80         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  81         field to the start of the structure.
  82         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  83         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  84         handling for custom HTM fast paths.
  85
  86 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  87         Revert:
  88         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  89
  90         * configure.tgt: Add -msoft-float to XCFLAGS.
  91
  92 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  93
  94         * configure.tgt: Add -msoft-float to XCFLAGS.
  95
  96 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  97
  98         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  99         (htm_transaction_active): Enable zEC12 instructions in the
 100         assembler.
 101         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 102
 103 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 104
 105         * acinclude.m4: Add htm asm check for s390.
 106         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 107         * configure: Regenerate.
 108         * config/s390/target.h: Remove __HTM__ check.
 109         (htm_available): Call getauxval to get hwcaps and check whether
 110         HTM is available or not.
 111
 112 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 113
 114         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 115         * configure.ac: Use it.
 116         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 117         (AC_CHECK_FUNCS): Check for getauxval.
 118         * config.h.in, configure: Rebuild.
 119         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 120         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 121         (USE_HTM_FASTPATH): Define.
 122         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 123         _HTM_RETRIES) New macros.
 124         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 125         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 126
 127 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 128
 129         * config/s390/target.h: Include htmintrin.h.
 130         (_HTM_ITM_RETRIES): New macro definition.
 131         (htm_available, htm_init, htm_begin, htm_begin_success)
 132         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 133
 134 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 135             Cesar Philippidis  <cesar@codesourcery.com>
 136
 137         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 138         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 139         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 140         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 141
 142 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 143
 144         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 145         (_ITM_getTransactionId): Same.
 146         * config/x86/target.h (htm_transaction_active): New.
 147
 148 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 149
 150         PR libitm/57643
 151         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 152         the HTM fastpath.
 153
 154 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 155
 156         PR bootstrap/56714
 157         * local_atomic (__always_inline): Always define our version.
 158         (__calculate_memory_order): Mark inline.
 159         (atomic_thread_fence): Ditto.
 160         (atomic_signal_fence): Ditto.
 161         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 162         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 163         (atomic_bool::atomic_flag_test_and_set): Ditto.
 164         (atomic_bool::atomic_flag_clear): Ditto.
 165
 166 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 167
 168         * config/s390/sjlj.S: New file.
 169         * config/s390/target.h: New file.
 170         * configure.tgt: Set options for S/390.
 171
 172 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 173
 174         * local_atomic (__always_inline): Add.
 175         (__calculate_memory_order, atomic_thread_fence,
 176          atomic_signal_fence, test_and_set, clear, store, load,
 177          exchange, compare_exchange_weak, compare_exchange_strong,
 178          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 179         Add __always_inline to force inlining.
 180
 181 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 182             Jack Howarth  <howarth@bromo.med.uc.edu>
 183             Patrick Marlier  <patrick.marlier@gmail.com>
 184
 185         PR libitm/55693
 186         * alloc_cpp.cc: Enable function declarations on darwin.
 187         * eh_cpp.cc: Likewise.
 188
 189 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 190
 191         Update copyright years.
 192
 193 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 194
 195         * beginend.cc (htm_fastpath): New.
 196         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 197         _ITM_commitTransactionEH): Add HTM fastpath handling.
 198         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 199         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 200         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 201         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 202         * configure.tgt: Add -mrtm to XCFLAGS.
 203         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 204         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 205         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 206         * retry.cc (parse_default_method): Add HTM method parsing.
 207         (gtm_thread::number_of_threads_changed): Use HTM by default if
 208         available.
 209
 210 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 211
 212         * configure: Regenerate.
 213
 214 2012-10-31  Richard Henderson  <rth@redhat.com>
 215
 216         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 217         * configure.ac: Use it.
 218         * config.h.in, configure: Rebuild.
 219         * testsuite/Makefile.in: Rebuild.
 220
 221 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 222
 223         * libitm.texi: Clarify ABI requirements for data-logging functions.
 224
 225 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 226
 227         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 228         it requires serial mode instead of assuming that for certain
 229         dispatchs.
 230         * dispatch.h (abi_dispatch::requires_serial): New.
 231         (abi_dispatch::abi_dispatch): Adapt.
 232         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 233         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 234         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 235         serial_dispatch::serial_dispatch,
 236         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 237
 238 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 239
 240         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 241         and ia32 declarations some more.
 242         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 243
 244 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 245
 246         PR other/43620
 247         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 248         * configure: Regenerate.
 249         * Makefile.in: Regenerate.
 250
 251 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 252
 253         * configure: Regenerated.
 254
 255 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 256
 257         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 258
 259 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 260
 261         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 262
 263 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 264
 265         * configure: Regenerated.
 266
 267 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 268
 269         PR libitm/52854
 270         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 271         for x86-64.
 272
 273 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 274
 275         * configure: Regenerate.
 276
 277 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 278
 279         PR bootstrap/52812
 280         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 281
 282 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 283
 284         * testsuite/lib/libitm.exp: load fortran-modules.exp
 285
 286 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 287
 288         * configure.tgt (*-*-irix6*): Remove.
 289
 290 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 291
 292         PR libitm/52526
 293         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 294         wake-up.
 295
 296 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 297
 298         * configure.tgt (*-*-osf*): Remove.
 299         * configure: Regenerate.
 300
 301 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 302
 303         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 304         memtransfer/memset if size isn't larger than zero.
 305
 306 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 307
 308         * libitm.texi: Link to specification and add a usage example.
 309
 310 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 311
 312         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 313         default dispatch for more than 1 thread to ml_wt.
 314
 315 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 316
 317         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 318
 319 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 320
 321         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 322
 323 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 324
 325         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 326         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 327         (gl_wt_dispatch.rollback): Same.
 328
 329 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 330
 331         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 332
 333 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 334
 335         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 336         for RfW src.  Optimize number of calls to gtm_thr.
 337
 338 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 339
 340         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 341         acquisition to ...
 342         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 343         (default_dispatch): Make atomic.
 344         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 345         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 346         use decide_begin_dispatch() if default_dispatch might have changed.
 347         (GTM::gtm_thread::number_of_threads_changed): Initialize
 348         default_dispatch here.
 349
 350 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 351             Patrick Marlier  <patrick.marlier@gmail.com>
 352
 353         PR libitm/52220
 354         * alloc_cpp.cc: No dummy definitions for darwin.
 355         * eh_cpp.cc: Likewise.
 356
 357 2012-02-14  Richard Henderson  <rth@redhat.com>
 358
 359         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 360
 361 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 362
 363         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 364
 365 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 366
 367         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 368         (GTM::gtm_thread): Add read and write logs.
 369         (GTM::dispatch_ml_wt): Declare.
 370         * retry.cc (parse_default_method): Support ml_wt.
 371         * method-ml.cc: New file.
 372         * Makefile.am: Add method-ml.cc.
 373         * Makefile.in: Regenerate.
 374
 375 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 376
 377         * dispatch.h (GTM::abi_dispatch::supports): New.
 378         (GTM::method_group::reinit): New.
 379         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 380         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 381         supports the current situation.
 382
 383 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 384
 385         * util.cc (GTM::xcalloc): New.
 386         * common.h (GTM::xcalloc): Declare.
 387
 388 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 389
 390         * config/sparc/target.h (cpu_relax): Read from CC register.
 391         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 392
 393 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 394
 395         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 396
 397 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 398
 399         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 400         * config/sparc/cacheline.h: New file.
 401         * config/sparc/target.h: Likewise.
 402         * config/sparc/sjlj.S: Likewise.
 403         * config/linux/sparc/futex_bits.h: Likewise.
 404
 405 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 406
 407         * configure.ac (link_itm): Fix comment.
 408         * configure: Regenerate.
 409         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 410
 411 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 412
 413         PR libitm/51822
 414         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 415         Correct libgomp references.
 416
 417 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 418
 419         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 420         wake-up.
 421
 422 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 423
 424         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 425         end of structure.
 426         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 427         offset values.  Do not copy return address.  Decrement stack
 428         by 56 bytes only.
 429         (GTM_longjump) [__x86_64__]: Update offset values.
 430
 431 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 432
 433         PR libitm/51830
 434         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 435         the first function argument to %eax.
 436
 437 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 438
 439         * libitm.h (_ITM_getThreadnum): Remove.
 440         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 441
 442 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 443
 444         * clearcap.map: New file.
 445         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 446         * configure.ac: Call it.
 447         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 448         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 449         * configure: Regenerate.
 450         * Makefile.in: Regenerate.
 451         * testsuite/Makefile.in: Regenerate.
 452
 453 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 454
 455         PR libitm/51173
 456         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 457         include, exclude options.
 458
 459 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 460
 461         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 462         rolling back.
 463         * containers.h (GTM::vector::set_size): New.
 464
 465 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 466
 467         PR libitm/51855
 468         * config/generic/tls.h (GTM::mask_stack_top): New.
 469         (GTM::mask_stack_bottom): Declare.
 470         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 471         * local.cc (gtm_undolog::rollback): Filter out any updates that
 472         overlap the libitm stack.  Add current transaction as parameter.
 473         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 474         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 475         * testsuite/libitm.c/stackundo.c: New test.
 476
 477 2012-01-10  Richard Henderson  <rth@redhat.com>
 478
 479         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 480         * eh_cpp.cc (_Unwind_DeleteException): Define for
 481         !HAVE_ELF_STYLE_WEAKREF.
 482
 483 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 484
 485         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 486         (GTM::gtm_thread::drop_references_undolog): Remove.
 487         (GTM::gtm_thread::commit_undolog,
 488         GTM::gtm_thread::rollback_undolog): Move to ...
 489         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 490         (GTM::gtm_undolog_entry): Remove.
 491         (GTM::gtm_thread): Adapt.
 492         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 493         (GTM::gtm_thread::trycommit): Adapt.
 494         * method-serial.cc (serial_dispatch::log): Adapt.
 495         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 496         (gl_wt_dispatch::store): Fix likely/unlikely.
 497         * containers.h (GTM::vector::resize): Add additional_capacity
 498         parameter and handle it.
 499         (GTM::vector::resize_noinline): New/adapt.
 500         (GTM::vector::push): New.
 501
 502 2012-01-06  Richard Henderson  <rth@redhat.com>
 503
 504         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 505         * config/linux/powerpc/futex_bits.h: New file.
 506         * config/powerpc/cacheline.h: New file.
 507         * config/powerpc/sjlj.S: New file.
 508         * config/powerpc/target.h: New file.
 509         * config/generic/asmcfi.h (cfi_offset): New.
 510         (cfi_restore, cfi_undefined): New.
 511
 512 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 513
 514         PR other/51171
 515         * testsuite/libitm.c/reentrant.c: Remove xfail.
 516         (thread): Pass x to pure().
 517         From Patrik Marlier <patrick.marlier@gmail.com>.
 518
 519 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 520
 521         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 522         privatization safety if already in serial mode.
 523
 524 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 525
 526         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 527         finish_serial_upgrade parameter.
 528         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 529         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 530         Don't unset reader flag.
 531         (GTM::gtm_rwlock::write_upgrade_finish): New.
 532         * config/posix/rwlock.cc: Same.
 533         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 534         Declare.
 535         * config/posix/rwlock.h: Same.
 536         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 537         flag after commit or after rollback when restarting.
 538
 539 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 540
 541         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 542         (GTM::gtm_thread::try_commit): Changed memory order.
 543         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 544         as parameter.
 545         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 546         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 547         * config/linux/futex_bits.h (sys_futex0): Same.
 548         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 549         * config/linux/futex.h (futex_wait, futex_wake): Same.
 550         * config/linux/rwlock.h (gtm_rwlock::writers,
 551         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 552         ints.
 553         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 554         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 555         gtm_rwlock::write_unlock): Fix memory orders and fences.
 556         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 557         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 558         gtm_rwlock::write_unlock): Same.
 559         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 560         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 561         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 562         Add comments.
 563         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 564         gl_wt_dispatch::load, gl_wt_dispatch::store,
 565         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 566         orders and fences.  Add comments.
 567
 568 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 569
 570         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 571         * Makefile.in: Regenerated.
 572
 573 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 574
 575         * configure.tgt: Add sh* case.
 576         * config/sh/target.h: New file.
 577         * config/sh/sjlj.S: New file.
 578         * config/linux/sh/futex_bits.h: New file.
 579
 580 2011-12-14  Richard Henderson  <rth@redhat.com>
 581
 582         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 583         * config/arm/sjlj.S, config/arm/target.h: New files.
 584         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 585         (cfi_rel_offset): New.
 586         * config/linux/futex_bits.h: New file.
 587         * config/linux/futex.cc: Include futex_bits.h here...
 588         * config/linux/futex.h: ... not here.
 589         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 590         * configure.ac (ARCH_AM): New conditional.
 591         * Makefile.in, configure: Rebuild.
 592         * configure.tgt: Handle ARM.
 593
 594 2011-12-13  Richard Henderson  <rth@redhat.com>
 595
 596         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 597         signed/unsigned comparison werror.
 598
 599         * local_atomic: New file.
 600         * libitm_i.h: Include it.
 601         (gtm_thread::shared_state): Use atomic template.
 602         * beginend.cc (GTM::gtm_clock): Use atomic template.
 603         (global_tid): Use atomic template if 64-bit atomics available.
 604         (gtm_thread::gtm_thread): Update shared_state access.
 605         (gtm_thread::trycommit): Likewise.
 606         (choose_code_path): Update global_tid access.
 607         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 608         * stmlock.h (GTM::gtm_clock): Use atomic template.
 609         (gtm_get_clock, gtm_inc_clock): Update accesses.
 610         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 611         redundant __sync_synchronize after atomic shared_state access.
 612         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 613         (gtm_rwlock::write_lock_generic): Likewise.
 614         (gtm_rwlock::read_unlock): Likewise.
 615         * config/alpha/target.h (atomic_read_barrier): Remove.
 616         (atomic_write_barrier): Remove.
 617         * config/x86/target.h (atomic_read_barrier): Remove.
 618         (atomic_write_barrier): Remove.
 619
 620 2011-11-30  Richard Henderson  <rth@redhat.com>
 621
 622         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 623         * beginend.c (_ITM_abortTransaction): Update to match.
 624         (GTM::gtm_thread::restart): Likewise.
 625         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 626         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 627
 628 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 629
 630         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 631         * Makefile.in: Regenerate.
 632
 633 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 634
 635         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 636         * alloc_cpp.cc: Generate dummy functions if we don't
 637         HAVE_ELF_STYLE_WEAKREF.
 638         * eh_cpp.cc: Likewise.
 639         * configure: Regenerate.
 640         * aclocal.m4:  Likewise.
 641         * config.h.in: Likewise.
 642         * Makefile.in: Likewise.
 643         * testsuite/Makefile.in: Likewise.
 644
 645 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 646
 647         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 648         __USER_LABEL_PREFIX__ for targets that use it.
 649         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 650         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 651         in portability to non-elf targets.
 652         (GTM_longjmp): Likewise.
 653         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 654         where required.
 655
 656 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 657
 658         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 659         * testsuite/libitm.c/memset-1.c: Likewise.
 660
 661 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 662
 663         * configure: Regenerate.
 664
 665 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 666
 667         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 668         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 669         * Makefile.am: Handle sun style versioning.
 670         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 671         * configure: Regenerate.
 672         * Makefile.in: Regenerate.
 673
 674 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 675
 676         * config/generic/asmcfi.h: Fix comment.
 677         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 678         sequence without .hidden support, error for non-ELF targets.
 679         (GTM_longjmp) [__ELF__]: Only use .hidden if
 680         HAVE_ATTRIBUTE_VISIBILITY.
 681
 682 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 683
 684         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 685         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 686         Dummy functions.
 687         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 688         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 689
 690 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 691
 692         PR bootstrap/51098
 693         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 694         * configure: Regenerate.
 695
 696 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 697
 698         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 699
 700 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 701
 702         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 703         .hidden.
 704         (.note.GNU-stack): Only use if __linux__.
 705         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 706         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 707         * testsuite/libitm.c/reentrant.c: Likewise.
 708         * testsuite/libitm.c/simple-2.c: Likewise.
 709         * testsuite/libitm.c/txrelease.c: Likewise.
 710         * testsuite/libitm.c++/static_ctor.C: Likewise.
 711
 712 2011-11-10  Richard Henderson  <rth@redhat.com>
 713
 714         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 715         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 716         * configure.ac (ARCH_X86_AVX): New conditional.
 717         * Makefile.in, configure: Rebuild.
 718
 719 2011-11-09  Richard Henderson  <rth@redhat.com>
 720
 721         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 722         * configure.ac: Use it.
 723         * config.h.in, configure: Rebuild.
 724         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 725
 726 2011-11-09  Richard Henderson  <rth@redhat.com>
 727
 728         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 729         * config/alpha/unaligned.h: Remove file.
 730         * config/generic/unaligned.h: Remove file.
 731         * config/x86/unaligned.h: Remove file.
 732         * config/generic/cachepage.h: Remove file.
 733         * config/posix/cachepage.cc: Remove file.
 734         * config/generic/cacheline.cc: Remove file.
 735         * config/x86/cacheline.cc: Remove file.
 736         * config/generic/cacheline.h (gtm_cacheline): Remove the
 737         store_mask, copy_mask, copy_mask_wb methods.
 738         * config/x86/cacheline.h: Likewise.
 739         * config/alpha/cacheline.h: Fall back to generic after setting size.
 740         * config/generic/tls.cc (gtm_mask_stack): Remove.
 741         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 742         (GTM_vpalignr_table): Remove.
 743         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 744         (GTM_pshift_table): Remove.
 745         * config/libitm_i.h: Don't include cachepage.h.
 746         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 747         * Makefile.in, testsuite/Makefile.in: Rebuild.
 748
 749 2011-11-09  Richard Henderson  <rth@redhat.com>
 750
 751         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 752         to emit branch prediction hint.
 753
 754         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 755         Protect .note.GNU-stack with __linux__.
 756
 757         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 758         * configure, aclocal.m4, config.h.in: Rebuild.
 759         * config/generic/asmcfi.h: New file.
 760         * config/x86/sjlj.S: Use it.
 761
 762 2011-11-08  Richard Henderson  <rth@redhat.com>
 763
 764         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 765
 766 2011-11-08  Richard Henderson  <rth@redhat.com>
 767
 768         * configure.tgt: Test correct directory for supported cpus.
 769
 770         * configure.ac: Exit if unsupported.
 771         * configure: Rebuild.
 772         * configure.tgt: Delete boilerplate from libgomp for unsupported
 773         targets.  Set UNSUPPORTED for unsupported targets.
 774
 775 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 776
 777         * configure.tgt: Handle i386 like i[456]86.
 778         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 779         take address.
 780         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 781         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 782
 783 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 784
 785         * method-wbetl.cc: Update copyright notice.
 786         * aatree.cc: Same.
 787         * util.cc: Same.
 788         * libitm.h: Same.
 789         * memset.cc: Same.
 790         * eh_cpp.cc: Same.
 791         * barrier.tpl: Same.
 792         * useraction.cc: Same.
 793         * stmlock.h: Same.
 794         * memcpy.cc: Same.
 795         * common.h: Same.
 796         * config/generic/tls.cc: Same.
 797         * config/generic/cacheline.h: Same.
 798         * config/generic/cachepage.h: Same.
 799         * config/generic/cacheline.cc: Same.
 800         * config/generic/unaligned.h: Same.
 801         * config/x86/cacheline.h: Same.
 802         * config/x86/cacheline.cc: Same.
 803         * config/x86/unaligned.h: Same.
 804         * config/alpha/cacheline.h: Same.
 805         * config/alpha/unaligned.h: Same.
 806         * config/alpha/sjlj.S: Same.
 807         * config/posix/cachepage.cc: Same.
 808         * config/linux/futex.h: Same.
 809         * config/linux/alpha/futex_bits.h: Same.
 810
 811 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 812
 813         * libitm.texi: No cover text and invariant sections.
 814
 815 2011-11-03  Richard Henderson  <rth@redhat.com>
 816
 817         * local_type_traits: New file.
 818         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 819
 820 2011-11-03  Richard Henderson  <rth@redhat.com>
 821
 822         * configure.ac: Don't test for gfortran.
 823         * configure: Rebuild.
 824
 825         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 826         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 827
 828 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 829
 830         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 831         * testsuite/libitm.c/memset-1.c: Same.
 832         * testsuite/libitm.c/c.exp: Same.
 833         * testsuite/lib/libitm-dg.exp: Same.
 834         * testsuite/lib/libitm.exp: Same.
 835         * testsuite/libitm.c++/c++.exp: Same.
 836
 837 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 838
 839         * testsuite/config/default.exp: Update copyright date.
 840         * configure.ac: Add copyright info.
 841         * configure.tgt: Same.
 842
 843 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 844
 845         * testsuite/libitm.c/reentrant.c: XFAIL.
 846         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 847
 848 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 849
 850         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 851         handle aborts.
 852         (_ITM_abortTransaction): Handle aborts of outer transactions.
 853         * libitm_i.h: Same.
 854         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 855         * libitm.texi: Document aborts of outer transactions.
 856         * testsuite/libitm.c/cancel.c: New file.
 857
 858 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 859
 860         * testsuite/*: Change __transaction to __transaction_atomic or
 861         __transaction_relaxed.
 862
 863 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 864
 865         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 866         (gtm_thr): Same.
 867
 868 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 869
 870         * libitm_i.h: Add gl_wt dispatch.
 871         * retry.cc (parse_default_method): Same.
 872         * method-gl.cc: New file.
 873         * Makefile.am: Use method-gl.cc.
 874         * Makefile.in: Rebuild.
 875
 876 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 877
 878         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 879         safety if requested by a TM method.
 880         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 881         privatization safety.
 882         * method-serial.cc: Same.
 883
 884 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 885
 886         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 887         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 888         undolog-related member functions from *_local to *_undolog.
 889         * local.cc (gtm_thread::commit_undolog): Same.
 890         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 891         (GTM::gtm_thread::rollback): Roll back undolog before
 892         dispatch-specific rollback.
 893
 894 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 895
 896         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 897         re-initialization of the current method group.
 898         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 899
 900 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 901
 902         * alloc.cc (commit_allocations_2): Do not free transaction-local
 903         memory when committing a nested transaction.
 904
 905 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 906
 907         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 908         serial-irrevocable dispatch, not serial.
 909
 910 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 911
 912         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 913         declarations.
 914         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 915         * method-serial.cc: Implement begin_or_restart().
 916         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 917         dispatch-specific begin_or_restart().
 918         (GTM::gtm_thread::restart): Same.
 919
 920 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 921
 922         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 923         restarting without switching to serial mode.
 924         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 925         transaction state. Choose closed-nesting alternative if available.
 926         (GTM::gtm_thread::set_default_dispatch): New.
 927         (parse_default_method): New.
 928         (GTM::gtm_thread::number_of_threads_changed): New.
 929         * method-serial.cc (GTM::serial_mg): New method group class.
 930         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 931         fini.
 932         (GTM::serial_dispatch): Same.
 933         (GTM::serialirr_onwrite_dispatch): Same.
 934         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 935         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 936         registered threads.
 937         (GTM::gtm_thread::gtm_thread): Same.
 938         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 939         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 940         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 941         choose dispatch but set state according to dispatch here.
 942         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 943         (GTM::method_group): New class.
 944         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 945         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 946         * libitm.texi: Document TM methods, method groups, method life cycle.
 947         Rename method sets to method groups.
 948
 949 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 950
 951         * config/x86/tls.h: Moved to ...
 952         * config/linux/x86/tls.h: ... here.
 953
 954 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 955
 956         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 957         Add X32 support.
 958         * config/x86/sjlj.S: Same.
 959
 960 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 961
 962         * config/linux/rwlock.h: New file.
 963         * config/linux/rwlock.c: New file.
 964         * configure.ac: Reenable futex support (undo SVN rev 157758).
 965         * Makefile.am: Same.
 966         * configure.tgt: Same.
 967         * config/linux/alpha/futex_bits.h: Same.
 968         * config/linux/futex.h: Same. Return number of woken processes.
 969         * config/linux/futex.cc: Same.
 970         (futex_wait): Remove spinning.
 971         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 972         Use __x86_64__ instead of __LP64__.
 973         * aclocal.m4: Include generic futex checks.
 974         * configure: Rebuild.
 975         * Makefile.in: Rebuild.
 976         * testsuite/Makefile.in: Rebuild.
 977         * beginend.cc: Include pthread.h.
 978         * config/posix/cachepage.cc: Same.
 979
 980 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 981
 982         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 983         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 984         (set_gtm_thr): New.
 985         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 986         (set_gtm_thr): New.
 987         (GTM::gtm_thread::thread_num): Removed.
 988         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 989         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 990         tx-to-thread renaming.
 991         * beginend.cc: Adapted to tx-to-thread renaming.
 992         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 993         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 994         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 995         gtm_transaction to gtm_thread.
 996         (_ITM_getThreadnum): Removed. Not supported anymore.
 997         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 998         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 999         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1000         gtm_tx-to-gtm_thr renaming if necessary.
1001         * eh_cpp.cc: Same.
1002         * local.cc: Same.
1003         * retry.cc: Same.
1004         * clone.cc: Same.
1005         * alloc.cc: Same.
1006         * alloc_c.cc: Same.
1007         * alloc_cpp.cc: Same.
1008         * method-serial.cc: Same.
1009         * config/generic/tls.cc: Same.
1010         * config/posix/rwlock.h (gtm_rwlock): Same.
1011         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1012
1013 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1014
1015         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1016         implementation.
1017         (gtm_rwlock::read_unlock): Same.
1018         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1019         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1020         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1021         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1022         w_upgrade. Replaced by per-transaction flags (in shared_state).
1023         Added c_confirmed_writers.
1024         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1025         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1026         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1027         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1028         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1029         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1030         * libitm.texi: Document locking conventions and implementations in
1031         libitm.
1032
1033 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1034
1035         * libitm_i.h (next_tx): Add list of all threads' transaction.
1036         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1037         transaction with list of transactions and ...
1038         (thread_exit_handler): ... deregister here.
1039         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1040         * config/x86/target.h: Same.
1041
1042 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1043
1044         * testsuite/libitm.c++/static_ctor.C: New file.
1045
1046 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1047
1048         * testsuite/libitm.c/reentrant.c: New file.
1049
1050 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1051
1052         * config/generic/tls.h: Remove the free list for transactions and ...
1053         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1054         (GTM::gtm_transaction::operator delete): ... and release here.
1055         (thread_exit_handler): New. Delete tx when thread terminates.
1056         (thread_exit_init): New.
1057         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1058         * testsuite/libitm.c/txrelease.c: New file.
1059
1060 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1061
1062         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1063         * testsuite/libitm.c/notx.c: New file.
1064
1065 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1066
1067         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1068         * libitm_i.h (local_tid): ... to here.
1069         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1070         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1071
1072 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1073
1074         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1075         serialirr_onwrite_dispatch as new default for now.
1076         * method-serial.cc (serialirr_onwrite_dispatch): New.
1077         (GTM::dispatch_serialirr_onwrite): New.
1078         * libitm_i.h: Same.
1079
1080 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1081
1082         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1083         * query.cc (_ITM_getTransactionId): There is no active transaction if
1084         the current nesting level is zero.
1085
1086 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1087
1088         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1089         rollback.
1090
1091 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1092
1093         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1094         transaction properties from the caller instead of from the
1095         transaction object.
1096         * libitm_i.h: Same.
1097         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1098
1099 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1100
1101         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1102         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1103         * dispatch.h: Same.
1104         * method-serial.cc: Same.
1105         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1106         flat nesting as default, and closed nesting on demand.
1107         (GTM::gtm_transaction::rollback): Same.
1108         (_ITM_abortTransaction): Same.
1109         (GTM::gtm_transaction::restart): Same.
1110         (GTM::gtm_transaction::trycommit): Same.
1111         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1112         (choose_code_path): New.
1113         (GTM::gtm_transaction_cp::save): New.
1114         (GTM::gtm_transaction_cp::commit): New.
1115         * query.cc (_ITM_inTransaction): Support flat nesting.
1116         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1117         (GTM::gtm_transaction): Support flat and closed nesting.
1118         * alloc.cc (commit_allocations_2): New.
1119         (commit_cb_data): New helper struct.
1120         (GTM::gtm_transaction::commit_allocations): Handle nested
1121         commits/rollbacks.
1122         * libitm.texi: Update user action section, add description of nesting.
1123
1124 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1125
1126         * libitm_i.h: Add closed nesting as restart reason.
1127         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1128
1129 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1130
1131         * useraction.cc: Use vector instead of list to store actions.
1132         Also support partial rollbacks for closed nesting.
1133         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1134         * beginend.cc: Same.
1135
1136 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1137
1138         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1139         closed_nesting flags, as well as a closed nesting alternative.
1140         * method-serial.cc: Same.
1141         (serial_dispatch): Renamed to serialirr_dispatch.
1142         (GTM::dispatch_serialirr): Same.
1143         (serial_dispatch_ul): Renamed to serial_dispatch.
1144         (GTM::dispatch_serial): Same.
1145
1146 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1147
1148         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1149
1150 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1151
1152         * aatree.h (aa_tree::remove): New.
1153         (aa_tree::operator new): Add placement new.
1154
1155 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1156
1157         * containers.h: New file.
1158         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1159         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1160         * common.h: ... to here.
1161         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1162         * local.cc: Same.
1163
1164 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1165
1166         * libitm_i.h (STATE_ABORTING): Remove.
1167         * beginend.cc (_ITM_abortTransaction): Same.
1168         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1169         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1170         (_ITM_rollbackTransaction): Remove.
1171         * beginend.cc: Same.
1172         * libitm.map: Same.
1173         * libitm.texi: Document these ABI changes.
1174
1175 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1176
1177         * libitm.texi: New file.
1178         * Makefile.am: Add libitm.texi.
1179         * Makefile.in: Rebuild.
1180
1181 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1182
1183         * libitm_i.h: Move parts to common.h and dispatch.h.
1184         * common.h: New file.
1185         * dispatch.h: New file, new dispatch class.
1186         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1187         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1188         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1189         decision to retry.cc.
1190         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1191         only.
1192         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1193         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1194         logging.
1195         * barrier.cc: Use new barriers definitions.
1196         (abi_dispatch::memmove_overlap_check): New.
1197         * config/x86/x86_sse.cc: Same.
1198         * config/x86/x86_avx.cc: Same.
1199         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1200         memcpy.cc.
1201         * Makefile.in: Rebuild.
1202         * method-readonly.cc: Remove.
1203         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1204         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1205
1206 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1207
1208         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1209         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1210         * testsuite/libitm.c/dropref-2.c: Same.
1211         * testsuite/libitm.c/dropref.c: Same.
1212
1213 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1214
1215         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1216         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1217         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1218         * alloc_c.cc: Same.
1219         * barrier.tpl: Same.
1220         * beginend.c: Same.
1221         * config/generic/tls.h: Same.
1222         * config/x86/tls.h: Same.
1223         * libitm_i.h: Same.
1224         * memcpy.cc: Same.
1225         * memset.cc: Same.
1226         * method-readonly.cc: Same.
1227         * method-serial.cc: Same.
1228         * method-wbetl.cc: Same.
1229         * retry.cc: Same.
1230
1231 2011-03-03  Richard Henderson  <rth@redhat.com>
1232
1233         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1234         From Patrik Marlier <patrick.marlier@unine.ch>.
1235
1236 2011-02-03  Richard Henderson  <rth@redhat.com>
1237
1238         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1239         * configure.ac: Use it.
1240         * configure, config.h.in: Rebuild.
1241         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1242         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1243         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1244         * libitm.map: Use wildcards to match size_t mangling.
1245
1246 2010-12-14  Richard Henderson  <rth@redhat.com>
1247
1248         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1249         blocks of TIDs per thread.
1250         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1251         (setup_gtm_thr): Return the thread structure.
1252         * config/x86/tls.h (setup_gtm_thr): Likewise.
1253
1254 2010-12-14  Richard Henderson  <rth@redhat.com>
1255
1256         * clone.cc (table_lock): Remove.
1257         (find_clone): Don't take it.
1258         (ExcludeTransaction): New helper class.
1259         (_ITM_registerTMCloneTable): Use it.
1260         (_ITM_deregisterTMCloneTable): Likewise.
1261
1262 2010-12-14  Richard Henderson  <rth@redhat.com>
1263
1264         * config/x86/tls.h: New file.
1265
1266 2010-07-15  Richard Henderson  <rth@redhat.com>
1267
1268         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1269         * Makefile.in: Rebuild.
1270
1271 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1272
1273         * method-wbetl.cc (trydropreference): Fix source line.
1274
1275 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1276
1277         * libitm.h: Add comment.
1278         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1279
1280 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1281
1282         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1283         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1284         available, use pthread mutexes.
1285         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1286         * config.h.in: Regenerate.
1287         * configure: Regenerate.
1288
1289 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1290
1291         * libitm.h (ITM_PURE): Define.
1292         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1293
1294 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1295
1296         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1297         (validate): Add comment.
1298         (trydropreference): New.
1299         * method-readonly.cc (class readonly_dispatch): Add
1300         trydropreference.
1301         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1302         Call trydropreference().
1303         * libitm.h (_ITM_dropReferences): Remove const attribute.
1304         * method-serial.cc (class serial_dispatch): Add trydropreference.
1305         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1306
1307 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1308
1309         * memcpy.cc (do_memcpy): Comment.
1310
1311 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1312
1313         * barrier.tpl: Add comments throughout.
1314
1315 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1316
1317         * method-wbetl.cc (struct w_entry): Add comments.
1318         (trycommit): Same.
1319         (rollback): Same.
1320
1321 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * alloc_c.cc (_ITM_dropReferences): New.
1324         * libitm.map (_ITM_dropReferences): Add.
1325         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1326         * libitm_i.h (struct gtm_transaction): Declare
1327         drop_references_allocations and drop_references_local.
1328         * local.cc (rollback_local): Ignore memory when applicable.
1329         (drop_references_local): New.
1330
1331 2010-06-23  Richard Henderson  <rth@redhat.com>
1332
1333         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1334         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1335         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1336         * config/alpha/target.h: Likewise.
1337         * config/generic/tls.cc (gtm_mask_stack): Use it.
1338
1339 2010-06-23  Richard Henderson  <rth@redhat.com>
1340
1341         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1342         a mutex instead of trying a lock-free compare-and-swap on the list.
1343         (gtm_cacheline_page::operator delete): Likewise.
1344
1345 2010-06-16  Richard Henderson  <rth@redhat.com>
1346
1347         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1348         that overlap the libitm stack.
1349         * barrier.tpl: Mark incoming stack.
1350         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1351         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1352         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1353         * memcpy.cc, memset.cc: Likewise.
1354         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1355         * config/generic/tls.h (gtm_thread): Add stack_top member.
1356         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1357         * libitm_i.h (gtm_mask_stack): Declare.
1358         * config/generic/tls.cc: New file.
1359         * Makefile.am (libitm_la_SOURCES): Add it.
1360         (AM_CXXFLAGS): Turn off exceptions.
1361         * Makefile.in: Rebuild.
1362
1363 2010-06-16  Richard Henderson  <rth@redhat.com>
1364
1365         * alloc.cc (struct gtm_alloc_action): Move definition ...
1366         * libitm_i.h: ... here.
1367         (class gtm_transaction): Declare new and delete.
1368         * beginend.cc (alloc_tx): Reformulate as operator new.
1369         (free_tx): Reformulate as operator delete.
1370         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1371
1372 2010-06-11  Richard Henderson  <rth@redhat.com>
1373
1374         * clone.cc (clone_entry_compare): Fix typo.
1375         From Patrik Marlier <patrick.marlier@unine.ch>.
1376
1377 2010-05-13  Richard Henderson  <rth@redhat.com>
1378
1379         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1380         in extern "C".
1381
1382 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1383
1384         * libitm_i.h (struct gtm_transaction): Remove
1385         get_allocation_size.
1386         (record_allocation): Remove size parameter.
1387         * libitm.map (_ITM_realloc): Remove.
1388         * alloc_c.cc (_ITM_realloc): Remove.
1389         (_ITM_malloc): Remove size argument to record_allocation.
1390         (_ITM_calloc): Same.
1391         * alloc_cpp.cc (_ZGTtnwm): Same.
1392         (_ZGTtnwmRKSt9nothrow_t): Same.
1393         (_ZGTtnam): Same.
1394         (_ZGTtnamRKSt9nothrow_t): Same.
1395         * alloc.cc (struct gtm_alloc_action): Remove size.
1396         (get_allocation_size): Remove.
1397         (commit_allocations): Add comment.
1398         (record_allocation): Remove size parameter.
1399         (forget_allocation): Remove set of size.
1400
1401 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1402
1403         * Makefile.am (abi_version): New.
1404         (AM_CXXFLAGS): Pass abi_version.
1405         * Makefile.in: Regenerate.
1406         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1407
1408 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1409
1410         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1411         _ITM_getTMCloneOrIrrevokable.
1412         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1413         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1414
1415 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1416
1417         * configure.ac: Remove Linux futex support.
1418         * configure.tgt (config_path): Same.
1419         * Makefile.am: Same.
1420         * config/linux: Remove entire directory.
1421         * configure: Rebuild.
1422         * Makefile.in: Rebuild.
1423         * testsuite/Makefile.in: Rebuild.
1424
1425 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1426
1427         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1428         switching to serial mode.
1429         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1430
1431 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1432
1433         * configure.tgt: Add emacs -*- tags.
1434         * barrier.tpl: Same.
1435
1436 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1437
1438         * Makefile.am: Rename serial.cc to method-serial.cc.
1439         * Makefile.in: Regenerate with automake 1.11.1.
1440         * testsuite/Makefile.in: Same.
1441         * aclocal.m4: Regenerate with aclocal 1.11.1.
1442         * method-serial.cc: Rename from serial.cc.
1443         * libitm_i.h (struct gtm_transaction): Update comment on
1444         serialirr_mode.
1445
1446 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1449         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1450
1451 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1452
1453         * configure: Rebuild.
1454
1455 2009-11-12  Richard Henderson  <rth@redhat.com>
1456
1457         * Rewrite everything in C++.
1458
1459 2009-11-03  Richard Henderson  <rth@redhat.com>
1460
1461         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1462         * Makefile.am (libitm_la_SOURCES): Add them.
1463         * configure.ac (ARCH_X86): New conditional.
1464         * Makefile.in, configure: Rebuild.
1465         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1466         Move futex setup into "other system configury" case.
1467         * local.c (rollback_local): Merge into ...
1468         (GTM_rollback_local): ... here.
1469         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1470         (_ITM_LB): Define as an alias to GTM_LB.
1471
1472 2009-11-03  Richard Henderson  <rth@redhat.com>
1473
1474         * method-readonly.c: New file.
1475         * Makefile.am (libitm_la_SOURCES): Add it.
1476         * Makefile.in: Rebuild.
1477         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1478         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1479         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1480         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1481         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1482         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1483         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1484         gtm_get_clock, gtm_inc_clock): New.
1485         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1486         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1487         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1488         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1489         replace uses with new libitm_i.h symbols.
1490         (dispatch_wbetl): Rename from wbetl_dispatch.
1491         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1492         away from dispatch_readonly; abort if the beginTransaction call
1493         asserted that the transaction was readonly.
1494
1495 2009-11-03  Richard Henderson  <rth@redhat.com>
1496
1497         * memset.c: New file.
1498         * Makefile.am (libitm_la_SOURCES): Add it.
1499         * Makefile.in: Rebuild.
1500         * testsuite/libitm.c/memset-1.c: New.
1501
1502 2009-11-03  Richard Henderson  <rth@redhat.com>
1503
1504         * dispatch.c: Remove file.
1505         * useraction.c (struct gtm_user_action): Move from libitm.h.
1506         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1507         (serial_memset, serial_memmove, serial_memcpy): Remove.
1508         (serial_W*, serial_R*): Remove.
1509         (serial_dispatch): Update to match.
1510         * configure.ac: Move Werror down below configure checks.  Don't
1511         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1512         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1513         Use GCC_AC_FUNC_MMAP_BLACKLIST
1514         * libitm.h: Split out all internal items to...
1515         * libitm_i.h: ... here.  New file.
1516         * copymask.c: New file.
1517         * local.c (struct gtm_local_undo): Move from libitm.h.
1518         (GTM_alloc_local): Rename from alloc_local; export.
1519         * memcpy.c: New file.
1520         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1521         * config/posix/page.c: New file.
1522         * config/posix/target_tls.h: Remove file.
1523         * barrier.c: New file.
1524         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1525         copymask.c, page.c.
1526         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1527         * method-wbetl.c: Rewrite for new cacheline methods.
1528         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1529
1530         * config/alpha/sjlj.S: Fix typo.
1531         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1532         * config/alpha/copymask.c: New file.
1533         * config/alpha/target.h (CACHELINE_SIZE): New.
1534         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1535
1536         * config/x86/target_i.h: Copy functions from x86/target.h.
1537         * config/x86/copymask.c: New file.
1538         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1539         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1540         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1541         * config/x86/target_tls.h: Move contents to target_i.h.
1542
1543         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1544         * testsuite/libitm.c/memcpy-1.c: New.
1545
1546 2009-10-22  Richard Henderson  <rth@redhat.com>
1547
1548         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1549         (AM_CCASFLAGS): New.
1550         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1551         saving/restoring _AC_ARG_VAR_PRECIOUS.
1552         * Makefile.in, aclocal.m4, config.h.in, configure,
1553         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1554
1555 2009-10-22  Richard Henderson  <rth@redhat.com>
1556
1557         * testsuite/*: Update for new compiler syntax.
1558
1559 2009-10-21  Richard Henderson  <rth@redhat.com>
1560
1561         * libitm.h (_ITM_abortReason): Add outerAbort.
1562
1563 2009-08-03  Richard Henderson  <rth@redhat.com>
1564
1565         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1566         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1567         * method-wbetl.c (struct w_entry): Remove mask.
1568         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1569         adjust all callers.
1570
1571 2009-07-22  Richard Henderson  <rth@redhat.com>
1572
1573         * eh_cpp.c: New file.
1574         * Makefile.am (libitm_la_SOURCES): Add it.
1575         * Makefile.in: Rebuild.
1576         * beginend.c (GTM_rollback_transaction): Undo exception state.
1577         (GTM_trycommit_transaction): Mark inline.
1578         (GTM_trycommit_and_finalize_transaction): Split out from ...
1579         (_ITM_commitTransaction): ... here.
1580         (_ITM_commitTransactionEH): New function.
1581         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1582         cxa_unthrown, eh_in_flight; reorder.
1583
1584         * testsuite/libitm.c++/c++.exp: New.
1585         * testsuite/libitm.c++/eh-1.C: New.
1586
1587         * aatree.c (aa_free): Remove REGPARM.
1588         * aatree.h: Remove all REGPARM.
1589
1590 2009-07-18  Richard Henderson  <rth@redhat.com>
1591
1592         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1593         * Makefile.am (libitm_la_SOURCES): Add them.
1594         * Makefile.in: Rebuild.
1595         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1596         (GTM_trycommit_transaction): Likewise.
1597         * libitm.h: Include aatree.h
1598         (struct gtm_alloc_action): New.
1599         (struct gtm_transaction): Add alloc_actions.
1600         (GTM_record_allocation, GTM_forget_allocation): Declare.
1601         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1602         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1603         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1604         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1605         _ZGTtdaPvRKSt9nothrow_t): Export.
1606
1607 2009-07-18  Richard Henderson  <rth@redhat.com>
1608
1609         * target_tls.h: Move ...
1610         * config/posix/target_tls.h: ... here.
1611
1612 2009-07-07  Richard Henderson  <rth@redhat.com>
1613
1614         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1615
1616 2009-07-07  Richard Henderson  <rth@redhat.com>
1617
1618         * Update to GPL3.
1619
1620 2009-07-07  Richard Henderson  <rth@redhat.com>
1621
1622         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1623         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1624
1625         * configure.tgt: Don't use -ftls-model for x86 linux.
1626         * libitm.h: Include target.h after standard includes.
1627         (_gtm_thr): Rename from gtm_thr.
1628         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1629         (gtm_disp, set_gtm_disp): New.
1630         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1631         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1632         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1633
1634 2009-07-07  Richard Henderson  <rth@redhat.com>
1635
1636         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1637
1638 2009-07-06  Richard Henderson  <rth@redhat.com>
1639
1640         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1641         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1642         (_ITM_beginTransaction): Take variadic arguments.
1643         (_ITM_registerThrownObject): Declare.
1644         * beginend.c, serial.c: Update.
1645         * libitm.map: Add _ITM_registerThrownObject.
1646
1647 2009-01-28  Richard Henderson  <rth@redhat.com>
1648
1649         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1650         * Makefile.in: Rebuild.
1651         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1652         (GTM_restart_transaction): Fix uninstrumented code check.
1653         * retry.c (GTM_decide_retry_strategy): Add serial check.
1654         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1655         automatically go irrevokable when in serial mode.
1656         * clone.c: New file.
1657         * libitm.h, libitm.map: Update.
1658
1659 2009-01-27  Richard Henderson  <rth@redhat.com>
1660
1661         * Makefile.am (LTCCASCOMPILE): Define.
1662         (libitm_la_SOURCES): Add methid-wbetl.c.
1663         * testsuite/Makefile.am: New
1664         * configure.ac: Add testsuite/Makefile.
1665         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1666         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1667         (_ITM_abortTransaction): Finalize implementation method; pass
1668         transaction properties to longjmp.
1669         (GTM_restart_transaction): Split out from ...
1670         (_ITM_commitTransaction): ... here.
1671         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1672         Move to config/x86/target.h.
1673         * config/linux/alpha/futex_bits.h: New.
1674         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1675         * config/x86/target.h: Disable target types for 32-bit.
1676         * config/alpha/sjlj.S, config/alpha/target.h: New.
1677         * libitm.h (struct gtm_dispatch): Add init, fini.
1678         (enum restart_reason): New.
1679         (struct gtm_transaction): Add method and restarts.
1680         * retry.c (GTM_decide_retry_strategy): Implement.
1681         * serial.c (serial_init, serial_fini): New.
1682         (GTM_serialmode): Finialize outgoing method.
1683         * method-wbetl.c: New.
1684
1685 2008-12-09  Richard Henderson  <rth@redhat.com>
1686
1687         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1688         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1689         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1690         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1691         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1692         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1693         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1694         * serial.c (serial_R##T, serial_W##T): Likewise.
1695
1696 2008-11-21  Richard Henderson  <rth@redhat.com>
1697
1698         * Initial commit.