libitm/ChangeLog

   1 2014-10-30  Release Manager
   2
   3         * GCC 4.9.2 released.
   4
   5 2014-07-24  Richard Henderson  <rth@redhat.com>
   6
   7         * config/aarch64/sjlj.S: New file.
   8         * config/aarch64/target.h: New file.
   9         * configure.tgt: Enable aarch64.
  10
  11 2014-07-16  Release Manager
  12
  13         * GCC 4.9.1 released.
  14
  15 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  16
  17         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  18         -mclear-hwcap instead.
  19         * configure: Regenerate.
  20         * clearcap.map: Remove.
  21
  22 2014-04-22  Release Manager
  23
  24         * GCC 4.9.0 released.
  25
  26 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  27
  28         * config/generic/asmcfi.h: Also check for
  29         __GCC_HAVE_DWARF2_CFI_ASM.
  30
  31 2013-04-02  Richard Henderson  <rth@redhat.com>
  32
  33         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  34         * config/arm/target.h, config/sh/target.h: Likewise.
  35         * config/sparc/target.h, config/x86/target.h: Likewise.
  36
  37 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  38
  39         * config/linux/futex_bits.h: Include errno.h.
  40         (sys_futex0): If syscall returns -1, return -errno rather than
  41         -1.
  42
  43 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  44
  45         * libitm.texi (Index): Rename to Library Index.
  46
  47 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  48
  49         PR libitm/53113
  50         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  51         (x86_avx.lo): Append -mavx to CXXFLAGS.
  52         * Makefile.in: Regenerate.
  53
  54 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  55
  56         Update copyright years
  57
  58 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  59
  60         * libitm.texi: Bump @copying's copyright year.
  61
  62 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  63
  64         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  65         (FUNC): Define ELFv2 variant.
  66         (END): Likewise.
  67         (HIDDEN): Likewise.
  68         (CALL): Likewise.
  69         (BASE): Likewise.
  70         (LR_SAVE): Likewise.
  71
  72 2013-09-20  Alan Modra  <amodra@gmail.com>
  73
  74         * configure: Regenerate.
  75
  76 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  77
  78         * config/posix/rwlock.cc: Fix initialization order.
  79
  80 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  81
  82         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  83         (htm_fastpath): Assign an asm name.
  84         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  85         HTM fast paths.
  86         (_ITM_actions): Likewise.
  87         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  88         x86_64.
  89         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  90         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  91         field to the start of the structure.
  92         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  93         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  94         handling for custom HTM fast paths.
  95
  96 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  97         Revert:
  98         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  99
 100         * configure.tgt: Add -msoft-float to XCFLAGS.
 101
 102 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 103
 104         * configure.tgt: Add -msoft-float to XCFLAGS.
 105
 106 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 107
 108         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 109         (htm_transaction_active): Enable zEC12 instructions in the
 110         assembler.
 111         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 112
 113 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 114
 115         * acinclude.m4: Add htm asm check for s390.
 116         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 117         * configure: Regenerate.
 118         * config/s390/target.h: Remove __HTM__ check.
 119         (htm_available): Call getauxval to get hwcaps and check whether
 120         HTM is available or not.
 121
 122 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 123
 124         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 125         * configure.ac: Use it.
 126         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 127         (AC_CHECK_FUNCS): Check for getauxval.
 128         * config.h.in, configure: Rebuild.
 129         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 130         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 131         (USE_HTM_FASTPATH): Define.
 132         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 133         _HTM_RETRIES) New macros.
 134         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 135         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 136
 137 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 138
 139         * config/s390/target.h: Include htmintrin.h.
 140         (_HTM_ITM_RETRIES): New macro definition.
 141         (htm_available, htm_init, htm_begin, htm_begin_success)
 142         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 143
 144 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 145             Cesar Philippidis  <cesar@codesourcery.com>
 146
 147         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 148         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 149         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 150         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 151
 152 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 153
 154         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 155         (_ITM_getTransactionId): Same.
 156         * config/x86/target.h (htm_transaction_active): New.
 157
 158 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 159
 160         PR libitm/57643
 161         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 162         the HTM fastpath.
 163
 164 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 165
 166         PR bootstrap/56714
 167         * local_atomic (__always_inline): Always define our version.
 168         (__calculate_memory_order): Mark inline.
 169         (atomic_thread_fence): Ditto.
 170         (atomic_signal_fence): Ditto.
 171         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 172         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 173         (atomic_bool::atomic_flag_test_and_set): Ditto.
 174         (atomic_bool::atomic_flag_clear): Ditto.
 175
 176 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 177
 178         * config/s390/sjlj.S: New file.
 179         * config/s390/target.h: New file.
 180         * configure.tgt: Set options for S/390.
 181
 182 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 183
 184         * local_atomic (__always_inline): Add.
 185         (__calculate_memory_order, atomic_thread_fence,
 186          atomic_signal_fence, test_and_set, clear, store, load,
 187          exchange, compare_exchange_weak, compare_exchange_strong,
 188          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 189         Add __always_inline to force inlining.
 190
 191 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 192             Jack Howarth  <howarth@bromo.med.uc.edu>
 193             Patrick Marlier  <patrick.marlier@gmail.com>
 194
 195         PR libitm/55693
 196         * alloc_cpp.cc: Enable function declarations on darwin.
 197         * eh_cpp.cc: Likewise.
 198
 199 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 200
 201         Update copyright years.
 202
 203 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 204
 205         * beginend.cc (htm_fastpath): New.
 206         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 207         _ITM_commitTransactionEH): Add HTM fastpath handling.
 208         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 209         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 210         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 211         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 212         * configure.tgt: Add -mrtm to XCFLAGS.
 213         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 214         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 215         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 216         * retry.cc (parse_default_method): Add HTM method parsing.
 217         (gtm_thread::number_of_threads_changed): Use HTM by default if
 218         available.
 219
 220 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 221
 222         * configure: Regenerate.
 223
 224 2012-10-31  Richard Henderson  <rth@redhat.com>
 225
 226         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 227         * configure.ac: Use it.
 228         * config.h.in, configure: Rebuild.
 229         * testsuite/Makefile.in: Rebuild.
 230
 231 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 232
 233         * libitm.texi: Clarify ABI requirements for data-logging functions.
 234
 235 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 236
 237         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 238         it requires serial mode instead of assuming that for certain
 239         dispatchs.
 240         * dispatch.h (abi_dispatch::requires_serial): New.
 241         (abi_dispatch::abi_dispatch): Adapt.
 242         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 243         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 244         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 245         serial_dispatch::serial_dispatch,
 246         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 247
 248 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 249
 250         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 251         and ia32 declarations some more.
 252         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 253
 254 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 255
 256         PR other/43620
 257         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 258         * configure: Regenerate.
 259         * Makefile.in: Regenerate.
 260
 261 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 262
 263         * configure: Regenerated.
 264
 265 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 266
 267         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 268
 269 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 270
 271         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 272
 273 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 274
 275         * configure: Regenerated.
 276
 277 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 278
 279         PR libitm/52854
 280         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 281         for x86-64.
 282
 283 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 284
 285         * configure: Regenerate.
 286
 287 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 288
 289         PR bootstrap/52812
 290         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 291
 292 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 293
 294         * testsuite/lib/libitm.exp: load fortran-modules.exp
 295
 296 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 297
 298         * configure.tgt (*-*-irix6*): Remove.
 299
 300 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 301
 302         PR libitm/52526
 303         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 304         wake-up.
 305
 306 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 307
 308         * configure.tgt (*-*-osf*): Remove.
 309         * configure: Regenerate.
 310
 311 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 312
 313         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 314         memtransfer/memset if size isn't larger than zero.
 315
 316 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 317
 318         * libitm.texi: Link to specification and add a usage example.
 319
 320 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 321
 322         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 323         default dispatch for more than 1 thread to ml_wt.
 324
 325 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 326
 327         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 328
 329 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 330
 331         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 332
 333 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 334
 335         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 336         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 337         (gl_wt_dispatch.rollback): Same.
 338
 339 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 340
 341         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 342
 343 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 344
 345         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 346         for RfW src.  Optimize number of calls to gtm_thr.
 347
 348 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 349
 350         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 351         acquisition to ...
 352         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 353         (default_dispatch): Make atomic.
 354         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 355         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 356         use decide_begin_dispatch() if default_dispatch might have changed.
 357         (GTM::gtm_thread::number_of_threads_changed): Initialize
 358         default_dispatch here.
 359
 360 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 361             Patrick Marlier  <patrick.marlier@gmail.com>
 362
 363         PR libitm/52220
 364         * alloc_cpp.cc: No dummy definitions for darwin.
 365         * eh_cpp.cc: Likewise.
 366
 367 2012-02-14  Richard Henderson  <rth@redhat.com>
 368
 369         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 370
 371 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 372
 373         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 374
 375 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 376
 377         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 378         (GTM::gtm_thread): Add read and write logs.
 379         (GTM::dispatch_ml_wt): Declare.
 380         * retry.cc (parse_default_method): Support ml_wt.
 381         * method-ml.cc: New file.
 382         * Makefile.am: Add method-ml.cc.
 383         * Makefile.in: Regenerate.
 384
 385 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 386
 387         * dispatch.h (GTM::abi_dispatch::supports): New.
 388         (GTM::method_group::reinit): New.
 389         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 390         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 391         supports the current situation.
 392
 393 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 394
 395         * util.cc (GTM::xcalloc): New.
 396         * common.h (GTM::xcalloc): Declare.
 397
 398 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 399
 400         * config/sparc/target.h (cpu_relax): Read from CC register.
 401         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 402
 403 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 404
 405         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 406
 407 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 408
 409         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 410         * config/sparc/cacheline.h: New file.
 411         * config/sparc/target.h: Likewise.
 412         * config/sparc/sjlj.S: Likewise.
 413         * config/linux/sparc/futex_bits.h: Likewise.
 414
 415 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 416
 417         * configure.ac (link_itm): Fix comment.
 418         * configure: Regenerate.
 419         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 420
 421 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 422
 423         PR libitm/51822
 424         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 425         Correct libgomp references.
 426
 427 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 428
 429         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 430         wake-up.
 431
 432 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 433
 434         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 435         end of structure.
 436         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 437         offset values.  Do not copy return address.  Decrement stack
 438         by 56 bytes only.
 439         (GTM_longjump) [__x86_64__]: Update offset values.
 440
 441 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 442
 443         PR libitm/51830
 444         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 445         the first function argument to %eax.
 446
 447 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 448
 449         * libitm.h (_ITM_getThreadnum): Remove.
 450         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 451
 452 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 453
 454         * clearcap.map: New file.
 455         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 456         * configure.ac: Call it.
 457         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 458         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 459         * configure: Regenerate.
 460         * Makefile.in: Regenerate.
 461         * testsuite/Makefile.in: Regenerate.
 462
 463 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 464
 465         PR libitm/51173
 466         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 467         include, exclude options.
 468
 469 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 470
 471         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 472         rolling back.
 473         * containers.h (GTM::vector::set_size): New.
 474
 475 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 476
 477         PR libitm/51855
 478         * config/generic/tls.h (GTM::mask_stack_top): New.
 479         (GTM::mask_stack_bottom): Declare.
 480         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 481         * local.cc (gtm_undolog::rollback): Filter out any updates that
 482         overlap the libitm stack.  Add current transaction as parameter.
 483         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 484         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 485         * testsuite/libitm.c/stackundo.c: New test.
 486
 487 2012-01-10  Richard Henderson  <rth@redhat.com>
 488
 489         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 490         * eh_cpp.cc (_Unwind_DeleteException): Define for
 491         !HAVE_ELF_STYLE_WEAKREF.
 492
 493 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 494
 495         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 496         (GTM::gtm_thread::drop_references_undolog): Remove.
 497         (GTM::gtm_thread::commit_undolog,
 498         GTM::gtm_thread::rollback_undolog): Move to ...
 499         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 500         (GTM::gtm_undolog_entry): Remove.
 501         (GTM::gtm_thread): Adapt.
 502         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 503         (GTM::gtm_thread::trycommit): Adapt.
 504         * method-serial.cc (serial_dispatch::log): Adapt.
 505         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 506         (gl_wt_dispatch::store): Fix likely/unlikely.
 507         * containers.h (GTM::vector::resize): Add additional_capacity
 508         parameter and handle it.
 509         (GTM::vector::resize_noinline): New/adapt.
 510         (GTM::vector::push): New.
 511
 512 2012-01-06  Richard Henderson  <rth@redhat.com>
 513
 514         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 515         * config/linux/powerpc/futex_bits.h: New file.
 516         * config/powerpc/cacheline.h: New file.
 517         * config/powerpc/sjlj.S: New file.
 518         * config/powerpc/target.h: New file.
 519         * config/generic/asmcfi.h (cfi_offset): New.
 520         (cfi_restore, cfi_undefined): New.
 521
 522 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 523
 524         PR other/51171
 525         * testsuite/libitm.c/reentrant.c: Remove xfail.
 526         (thread): Pass x to pure().
 527         From Patrik Marlier <patrick.marlier@gmail.com>.
 528
 529 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 530
 531         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 532         privatization safety if already in serial mode.
 533
 534 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 535
 536         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 537         finish_serial_upgrade parameter.
 538         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 539         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 540         Don't unset reader flag.
 541         (GTM::gtm_rwlock::write_upgrade_finish): New.
 542         * config/posix/rwlock.cc: Same.
 543         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 544         Declare.
 545         * config/posix/rwlock.h: Same.
 546         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 547         flag after commit or after rollback when restarting.
 548
 549 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 550
 551         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 552         (GTM::gtm_thread::try_commit): Changed memory order.
 553         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 554         as parameter.
 555         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 556         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 557         * config/linux/futex_bits.h (sys_futex0): Same.
 558         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 559         * config/linux/futex.h (futex_wait, futex_wake): Same.
 560         * config/linux/rwlock.h (gtm_rwlock::writers,
 561         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 562         ints.
 563         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 564         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 565         gtm_rwlock::write_unlock): Fix memory orders and fences.
 566         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 567         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 568         gtm_rwlock::write_unlock): Same.
 569         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 570         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 571         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 572         Add comments.
 573         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 574         gl_wt_dispatch::load, gl_wt_dispatch::store,
 575         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 576         orders and fences.  Add comments.
 577
 578 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 579
 580         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 581         * Makefile.in: Regenerated.
 582
 583 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 584
 585         * configure.tgt: Add sh* case.
 586         * config/sh/target.h: New file.
 587         * config/sh/sjlj.S: New file.
 588         * config/linux/sh/futex_bits.h: New file.
 589
 590 2011-12-14  Richard Henderson  <rth@redhat.com>
 591
 592         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 593         * config/arm/sjlj.S, config/arm/target.h: New files.
 594         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 595         (cfi_rel_offset): New.
 596         * config/linux/futex_bits.h: New file.
 597         * config/linux/futex.cc: Include futex_bits.h here...
 598         * config/linux/futex.h: ... not here.
 599         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 600         * configure.ac (ARCH_AM): New conditional.
 601         * Makefile.in, configure: Rebuild.
 602         * configure.tgt: Handle ARM.
 603
 604 2011-12-13  Richard Henderson  <rth@redhat.com>
 605
 606         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 607         signed/unsigned comparison werror.
 608
 609         * local_atomic: New file.
 610         * libitm_i.h: Include it.
 611         (gtm_thread::shared_state): Use atomic template.
 612         * beginend.cc (GTM::gtm_clock): Use atomic template.
 613         (global_tid): Use atomic template if 64-bit atomics available.
 614         (gtm_thread::gtm_thread): Update shared_state access.
 615         (gtm_thread::trycommit): Likewise.
 616         (choose_code_path): Update global_tid access.
 617         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 618         * stmlock.h (GTM::gtm_clock): Use atomic template.
 619         (gtm_get_clock, gtm_inc_clock): Update accesses.
 620         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 621         redundant __sync_synchronize after atomic shared_state access.
 622         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 623         (gtm_rwlock::write_lock_generic): Likewise.
 624         (gtm_rwlock::read_unlock): Likewise.
 625         * config/alpha/target.h (atomic_read_barrier): Remove.
 626         (atomic_write_barrier): Remove.
 627         * config/x86/target.h (atomic_read_barrier): Remove.
 628         (atomic_write_barrier): Remove.
 629
 630 2011-11-30  Richard Henderson  <rth@redhat.com>
 631
 632         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 633         * beginend.c (_ITM_abortTransaction): Update to match.
 634         (GTM::gtm_thread::restart): Likewise.
 635         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 636         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 637
 638 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 639
 640         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 641         * Makefile.in: Regenerate.
 642
 643 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 644
 645         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 646         * alloc_cpp.cc: Generate dummy functions if we don't
 647         HAVE_ELF_STYLE_WEAKREF.
 648         * eh_cpp.cc: Likewise.
 649         * configure: Regenerate.
 650         * aclocal.m4:  Likewise.
 651         * config.h.in: Likewise.
 652         * Makefile.in: Likewise.
 653         * testsuite/Makefile.in: Likewise.
 654
 655 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 656
 657         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 658         __USER_LABEL_PREFIX__ for targets that use it.
 659         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 660         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 661         in portability to non-elf targets.
 662         (GTM_longjmp): Likewise.
 663         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 664         where required.
 665
 666 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 667
 668         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 669         * testsuite/libitm.c/memset-1.c: Likewise.
 670
 671 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 672
 673         * configure: Regenerate.
 674
 675 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 676
 677         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 678         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 679         * Makefile.am: Handle sun style versioning.
 680         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 681         * configure: Regenerate.
 682         * Makefile.in: Regenerate.
 683
 684 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 685
 686         * config/generic/asmcfi.h: Fix comment.
 687         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 688         sequence without .hidden support, error for non-ELF targets.
 689         (GTM_longjmp) [__ELF__]: Only use .hidden if
 690         HAVE_ATTRIBUTE_VISIBILITY.
 691
 692 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 693
 694         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 695         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 696         Dummy functions.
 697         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 698         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 699
 700 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 701
 702         PR bootstrap/51098
 703         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 704         * configure: Regenerate.
 705
 706 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 707
 708         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 709
 710 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 711
 712         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 713         .hidden.
 714         (.note.GNU-stack): Only use if __linux__.
 715         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 716         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 717         * testsuite/libitm.c/reentrant.c: Likewise.
 718         * testsuite/libitm.c/simple-2.c: Likewise.
 719         * testsuite/libitm.c/txrelease.c: Likewise.
 720         * testsuite/libitm.c++/static_ctor.C: Likewise.
 721
 722 2011-11-10  Richard Henderson  <rth@redhat.com>
 723
 724         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 725         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 726         * configure.ac (ARCH_X86_AVX): New conditional.
 727         * Makefile.in, configure: Rebuild.
 728
 729 2011-11-09  Richard Henderson  <rth@redhat.com>
 730
 731         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 732         * configure.ac: Use it.
 733         * config.h.in, configure: Rebuild.
 734         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 735
 736 2011-11-09  Richard Henderson  <rth@redhat.com>
 737
 738         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 739         * config/alpha/unaligned.h: Remove file.
 740         * config/generic/unaligned.h: Remove file.
 741         * config/x86/unaligned.h: Remove file.
 742         * config/generic/cachepage.h: Remove file.
 743         * config/posix/cachepage.cc: Remove file.
 744         * config/generic/cacheline.cc: Remove file.
 745         * config/x86/cacheline.cc: Remove file.
 746         * config/generic/cacheline.h (gtm_cacheline): Remove the
 747         store_mask, copy_mask, copy_mask_wb methods.
 748         * config/x86/cacheline.h: Likewise.
 749         * config/alpha/cacheline.h: Fall back to generic after setting size.
 750         * config/generic/tls.cc (gtm_mask_stack): Remove.
 751         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 752         (GTM_vpalignr_table): Remove.
 753         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 754         (GTM_pshift_table): Remove.
 755         * config/libitm_i.h: Don't include cachepage.h.
 756         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 757         * Makefile.in, testsuite/Makefile.in: Rebuild.
 758
 759 2011-11-09  Richard Henderson  <rth@redhat.com>
 760
 761         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 762         to emit branch prediction hint.
 763
 764         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 765         Protect .note.GNU-stack with __linux__.
 766
 767         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 768         * configure, aclocal.m4, config.h.in: Rebuild.
 769         * config/generic/asmcfi.h: New file.
 770         * config/x86/sjlj.S: Use it.
 771
 772 2011-11-08  Richard Henderson  <rth@redhat.com>
 773
 774         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 775
 776 2011-11-08  Richard Henderson  <rth@redhat.com>
 777
 778         * configure.tgt: Test correct directory for supported cpus.
 779
 780         * configure.ac: Exit if unsupported.
 781         * configure: Rebuild.
 782         * configure.tgt: Delete boilerplate from libgomp for unsupported
 783         targets.  Set UNSUPPORTED for unsupported targets.
 784
 785 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 786
 787         * configure.tgt: Handle i386 like i[456]86.
 788         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 789         take address.
 790         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 791         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 792
 793 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 794
 795         * method-wbetl.cc: Update copyright notice.
 796         * aatree.cc: Same.
 797         * util.cc: Same.
 798         * libitm.h: Same.
 799         * memset.cc: Same.
 800         * eh_cpp.cc: Same.
 801         * barrier.tpl: Same.
 802         * useraction.cc: Same.
 803         * stmlock.h: Same.
 804         * memcpy.cc: Same.
 805         * common.h: Same.
 806         * config/generic/tls.cc: Same.
 807         * config/generic/cacheline.h: Same.
 808         * config/generic/cachepage.h: Same.
 809         * config/generic/cacheline.cc: Same.
 810         * config/generic/unaligned.h: Same.
 811         * config/x86/cacheline.h: Same.
 812         * config/x86/cacheline.cc: Same.
 813         * config/x86/unaligned.h: Same.
 814         * config/alpha/cacheline.h: Same.
 815         * config/alpha/unaligned.h: Same.
 816         * config/alpha/sjlj.S: Same.
 817         * config/posix/cachepage.cc: Same.
 818         * config/linux/futex.h: Same.
 819         * config/linux/alpha/futex_bits.h: Same.
 820
 821 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 822
 823         * libitm.texi: No cover text and invariant sections.
 824
 825 2011-11-03  Richard Henderson  <rth@redhat.com>
 826
 827         * local_type_traits: New file.
 828         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 829
 830 2011-11-03  Richard Henderson  <rth@redhat.com>
 831
 832         * configure.ac: Don't test for gfortran.
 833         * configure: Rebuild.
 834
 835         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 836         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 837
 838 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 839
 840         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 841         * testsuite/libitm.c/memset-1.c: Same.
 842         * testsuite/libitm.c/c.exp: Same.
 843         * testsuite/lib/libitm-dg.exp: Same.
 844         * testsuite/lib/libitm.exp: Same.
 845         * testsuite/libitm.c++/c++.exp: Same.
 846
 847 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 848
 849         * testsuite/config/default.exp: Update copyright date.
 850         * configure.ac: Add copyright info.
 851         * configure.tgt: Same.
 852
 853 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 854
 855         * testsuite/libitm.c/reentrant.c: XFAIL.
 856         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 857
 858 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 859
 860         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 861         handle aborts.
 862         (_ITM_abortTransaction): Handle aborts of outer transactions.
 863         * libitm_i.h: Same.
 864         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 865         * libitm.texi: Document aborts of outer transactions.
 866         * testsuite/libitm.c/cancel.c: New file.
 867
 868 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 869
 870         * testsuite/*: Change __transaction to __transaction_atomic or
 871         __transaction_relaxed.
 872
 873 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 874
 875         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 876         (gtm_thr): Same.
 877
 878 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 879
 880         * libitm_i.h: Add gl_wt dispatch.
 881         * retry.cc (parse_default_method): Same.
 882         * method-gl.cc: New file.
 883         * Makefile.am: Use method-gl.cc.
 884         * Makefile.in: Rebuild.
 885
 886 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 887
 888         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 889         safety if requested by a TM method.
 890         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 891         privatization safety.
 892         * method-serial.cc: Same.
 893
 894 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 895
 896         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 897         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 898         undolog-related member functions from *_local to *_undolog.
 899         * local.cc (gtm_thread::commit_undolog): Same.
 900         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 901         (GTM::gtm_thread::rollback): Roll back undolog before
 902         dispatch-specific rollback.
 903
 904 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 905
 906         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 907         re-initialization of the current method group.
 908         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 909
 910 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 911
 912         * alloc.cc (commit_allocations_2): Do not free transaction-local
 913         memory when committing a nested transaction.
 914
 915 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 916
 917         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 918         serial-irrevocable dispatch, not serial.
 919
 920 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 921
 922         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 923         declarations.
 924         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 925         * method-serial.cc: Implement begin_or_restart().
 926         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 927         dispatch-specific begin_or_restart().
 928         (GTM::gtm_thread::restart): Same.
 929
 930 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 931
 932         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 933         restarting without switching to serial mode.
 934         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 935         transaction state. Choose closed-nesting alternative if available.
 936         (GTM::gtm_thread::set_default_dispatch): New.
 937         (parse_default_method): New.
 938         (GTM::gtm_thread::number_of_threads_changed): New.
 939         * method-serial.cc (GTM::serial_mg): New method group class.
 940         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 941         fini.
 942         (GTM::serial_dispatch): Same.
 943         (GTM::serialirr_onwrite_dispatch): Same.
 944         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 945         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 946         registered threads.
 947         (GTM::gtm_thread::gtm_thread): Same.
 948         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 949         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 950         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 951         choose dispatch but set state according to dispatch here.
 952         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 953         (GTM::method_group): New class.
 954         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 955         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 956         * libitm.texi: Document TM methods, method groups, method life cycle.
 957         Rename method sets to method groups.
 958
 959 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 960
 961         * config/x86/tls.h: Moved to ...
 962         * config/linux/x86/tls.h: ... here.
 963
 964 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 965
 966         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 967         Add X32 support.
 968         * config/x86/sjlj.S: Same.
 969
 970 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 971
 972         * config/linux/rwlock.h: New file.
 973         * config/linux/rwlock.c: New file.
 974         * configure.ac: Reenable futex support (undo SVN rev 157758).
 975         * Makefile.am: Same.
 976         * configure.tgt: Same.
 977         * config/linux/alpha/futex_bits.h: Same.
 978         * config/linux/futex.h: Same. Return number of woken processes.
 979         * config/linux/futex.cc: Same.
 980         (futex_wait): Remove spinning.
 981         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 982         Use __x86_64__ instead of __LP64__.
 983         * aclocal.m4: Include generic futex checks.
 984         * configure: Rebuild.
 985         * Makefile.in: Rebuild.
 986         * testsuite/Makefile.in: Rebuild.
 987         * beginend.cc: Include pthread.h.
 988         * config/posix/cachepage.cc: Same.
 989
 990 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 991
 992         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 993         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 994         (set_gtm_thr): New.
 995         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 996         (set_gtm_thr): New.
 997         (GTM::gtm_thread::thread_num): Removed.
 998         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 999         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1000         tx-to-thread renaming.
1001         * beginend.cc: Adapted to tx-to-thread renaming.
1002         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1003         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1004         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1005         gtm_transaction to gtm_thread.
1006         (_ITM_getThreadnum): Removed. Not supported anymore.
1007         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1008         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1009         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1010         gtm_tx-to-gtm_thr renaming if necessary.
1011         * eh_cpp.cc: Same.
1012         * local.cc: Same.
1013         * retry.cc: Same.
1014         * clone.cc: Same.
1015         * alloc.cc: Same.
1016         * alloc_c.cc: Same.
1017         * alloc_cpp.cc: Same.
1018         * method-serial.cc: Same.
1019         * config/generic/tls.cc: Same.
1020         * config/posix/rwlock.h (gtm_rwlock): Same.
1021         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1022
1023 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1024
1025         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1026         implementation.
1027         (gtm_rwlock::read_unlock): Same.
1028         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1029         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1030         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1031         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1032         w_upgrade. Replaced by per-transaction flags (in shared_state).
1033         Added c_confirmed_writers.
1034         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1035         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1036         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1037         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1038         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1039         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1040         * libitm.texi: Document locking conventions and implementations in
1041         libitm.
1042
1043 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1044
1045         * libitm_i.h (next_tx): Add list of all threads' transaction.
1046         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1047         transaction with list of transactions and ...
1048         (thread_exit_handler): ... deregister here.
1049         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1050         * config/x86/target.h: Same.
1051
1052 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1053
1054         * testsuite/libitm.c++/static_ctor.C: New file.
1055
1056 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1057
1058         * testsuite/libitm.c/reentrant.c: New file.
1059
1060 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1061
1062         * config/generic/tls.h: Remove the free list for transactions and ...
1063         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1064         (GTM::gtm_transaction::operator delete): ... and release here.
1065         (thread_exit_handler): New. Delete tx when thread terminates.
1066         (thread_exit_init): New.
1067         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1068         * testsuite/libitm.c/txrelease.c: New file.
1069
1070 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1071
1072         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1073         * testsuite/libitm.c/notx.c: New file.
1074
1075 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1076
1077         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1078         * libitm_i.h (local_tid): ... to here.
1079         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1080         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1081
1082 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1083
1084         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1085         serialirr_onwrite_dispatch as new default for now.
1086         * method-serial.cc (serialirr_onwrite_dispatch): New.
1087         (GTM::dispatch_serialirr_onwrite): New.
1088         * libitm_i.h: Same.
1089
1090 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1091
1092         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1093         * query.cc (_ITM_getTransactionId): There is no active transaction if
1094         the current nesting level is zero.
1095
1096 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1097
1098         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1099         rollback.
1100
1101 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1102
1103         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1104         transaction properties from the caller instead of from the
1105         transaction object.
1106         * libitm_i.h: Same.
1107         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1108
1109 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1110
1111         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1112         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1113         * dispatch.h: Same.
1114         * method-serial.cc: Same.
1115         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1116         flat nesting as default, and closed nesting on demand.
1117         (GTM::gtm_transaction::rollback): Same.
1118         (_ITM_abortTransaction): Same.
1119         (GTM::gtm_transaction::restart): Same.
1120         (GTM::gtm_transaction::trycommit): Same.
1121         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1122         (choose_code_path): New.
1123         (GTM::gtm_transaction_cp::save): New.
1124         (GTM::gtm_transaction_cp::commit): New.
1125         * query.cc (_ITM_inTransaction): Support flat nesting.
1126         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1127         (GTM::gtm_transaction): Support flat and closed nesting.
1128         * alloc.cc (commit_allocations_2): New.
1129         (commit_cb_data): New helper struct.
1130         (GTM::gtm_transaction::commit_allocations): Handle nested
1131         commits/rollbacks.
1132         * libitm.texi: Update user action section, add description of nesting.
1133
1134 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1135
1136         * libitm_i.h: Add closed nesting as restart reason.
1137         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1138
1139 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1140
1141         * useraction.cc: Use vector instead of list to store actions.
1142         Also support partial rollbacks for closed nesting.
1143         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1144         * beginend.cc: Same.
1145
1146 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1147
1148         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1149         closed_nesting flags, as well as a closed nesting alternative.
1150         * method-serial.cc: Same.
1151         (serial_dispatch): Renamed to serialirr_dispatch.
1152         (GTM::dispatch_serialirr): Same.
1153         (serial_dispatch_ul): Renamed to serial_dispatch.
1154         (GTM::dispatch_serial): Same.
1155
1156 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1157
1158         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1159
1160 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1161
1162         * aatree.h (aa_tree::remove): New.
1163         (aa_tree::operator new): Add placement new.
1164
1165 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1166
1167         * containers.h: New file.
1168         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1169         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1170         * common.h: ... to here.
1171         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1172         * local.cc: Same.
1173
1174 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1175
1176         * libitm_i.h (STATE_ABORTING): Remove.
1177         * beginend.cc (_ITM_abortTransaction): Same.
1178         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1179         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1180         (_ITM_rollbackTransaction): Remove.
1181         * beginend.cc: Same.
1182         * libitm.map: Same.
1183         * libitm.texi: Document these ABI changes.
1184
1185 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1186
1187         * libitm.texi: New file.
1188         * Makefile.am: Add libitm.texi.
1189         * Makefile.in: Rebuild.
1190
1191 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1192
1193         * libitm_i.h: Move parts to common.h and dispatch.h.
1194         * common.h: New file.
1195         * dispatch.h: New file, new dispatch class.
1196         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1197         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1198         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1199         decision to retry.cc.
1200         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1201         only.
1202         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1203         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1204         logging.
1205         * barrier.cc: Use new barriers definitions.
1206         (abi_dispatch::memmove_overlap_check): New.
1207         * config/x86/x86_sse.cc: Same.
1208         * config/x86/x86_avx.cc: Same.
1209         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1210         memcpy.cc.
1211         * Makefile.in: Rebuild.
1212         * method-readonly.cc: Remove.
1213         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1214         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1215
1216 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1217
1218         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1219         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1220         * testsuite/libitm.c/dropref-2.c: Same.
1221         * testsuite/libitm.c/dropref.c: Same.
1222
1223 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1224
1225         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1226         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1227         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1228         * alloc_c.cc: Same.
1229         * barrier.tpl: Same.
1230         * beginend.c: Same.
1231         * config/generic/tls.h: Same.
1232         * config/x86/tls.h: Same.
1233         * libitm_i.h: Same.
1234         * memcpy.cc: Same.
1235         * memset.cc: Same.
1236         * method-readonly.cc: Same.
1237         * method-serial.cc: Same.
1238         * method-wbetl.cc: Same.
1239         * retry.cc: Same.
1240
1241 2011-03-03  Richard Henderson  <rth@redhat.com>
1242
1243         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1244         From Patrik Marlier <patrick.marlier@unine.ch>.
1245
1246 2011-02-03  Richard Henderson  <rth@redhat.com>
1247
1248         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1249         * configure.ac: Use it.
1250         * configure, config.h.in: Rebuild.
1251         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1252         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1253         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1254         * libitm.map: Use wildcards to match size_t mangling.
1255
1256 2010-12-14  Richard Henderson  <rth@redhat.com>
1257
1258         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1259         blocks of TIDs per thread.
1260         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1261         (setup_gtm_thr): Return the thread structure.
1262         * config/x86/tls.h (setup_gtm_thr): Likewise.
1263
1264 2010-12-14  Richard Henderson  <rth@redhat.com>
1265
1266         * clone.cc (table_lock): Remove.
1267         (find_clone): Don't take it.
1268         (ExcludeTransaction): New helper class.
1269         (_ITM_registerTMCloneTable): Use it.
1270         (_ITM_deregisterTMCloneTable): Likewise.
1271
1272 2010-12-14  Richard Henderson  <rth@redhat.com>
1273
1274         * config/x86/tls.h: New file.
1275
1276 2010-07-15  Richard Henderson  <rth@redhat.com>
1277
1278         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1279         * Makefile.in: Rebuild.
1280
1281 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1282
1283         * method-wbetl.cc (trydropreference): Fix source line.
1284
1285 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1286
1287         * libitm.h: Add comment.
1288         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1289
1290 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1291
1292         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1293         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1294         available, use pthread mutexes.
1295         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1296         * config.h.in: Regenerate.
1297         * configure: Regenerate.
1298
1299 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1300
1301         * libitm.h (ITM_PURE): Define.
1302         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1303
1304 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1305
1306         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1307         (validate): Add comment.
1308         (trydropreference): New.
1309         * method-readonly.cc (class readonly_dispatch): Add
1310         trydropreference.
1311         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1312         Call trydropreference().
1313         * libitm.h (_ITM_dropReferences): Remove const attribute.
1314         * method-serial.cc (class serial_dispatch): Add trydropreference.
1315         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1316
1317 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1318
1319         * memcpy.cc (do_memcpy): Comment.
1320
1321 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * barrier.tpl: Add comments throughout.
1324
1325 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1326
1327         * method-wbetl.cc (struct w_entry): Add comments.
1328         (trycommit): Same.
1329         (rollback): Same.
1330
1331 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1332
1333         * alloc_c.cc (_ITM_dropReferences): New.
1334         * libitm.map (_ITM_dropReferences): Add.
1335         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1336         * libitm_i.h (struct gtm_transaction): Declare
1337         drop_references_allocations and drop_references_local.
1338         * local.cc (rollback_local): Ignore memory when applicable.
1339         (drop_references_local): New.
1340
1341 2010-06-23  Richard Henderson  <rth@redhat.com>
1342
1343         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1344         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1345         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1346         * config/alpha/target.h: Likewise.
1347         * config/generic/tls.cc (gtm_mask_stack): Use it.
1348
1349 2010-06-23  Richard Henderson  <rth@redhat.com>
1350
1351         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1352         a mutex instead of trying a lock-free compare-and-swap on the list.
1353         (gtm_cacheline_page::operator delete): Likewise.
1354
1355 2010-06-16  Richard Henderson  <rth@redhat.com>
1356
1357         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1358         that overlap the libitm stack.
1359         * barrier.tpl: Mark incoming stack.
1360         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1361         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1362         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1363         * memcpy.cc, memset.cc: Likewise.
1364         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1365         * config/generic/tls.h (gtm_thread): Add stack_top member.
1366         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1367         * libitm_i.h (gtm_mask_stack): Declare.
1368         * config/generic/tls.cc: New file.
1369         * Makefile.am (libitm_la_SOURCES): Add it.
1370         (AM_CXXFLAGS): Turn off exceptions.
1371         * Makefile.in: Rebuild.
1372
1373 2010-06-16  Richard Henderson  <rth@redhat.com>
1374
1375         * alloc.cc (struct gtm_alloc_action): Move definition ...
1376         * libitm_i.h: ... here.
1377         (class gtm_transaction): Declare new and delete.
1378         * beginend.cc (alloc_tx): Reformulate as operator new.
1379         (free_tx): Reformulate as operator delete.
1380         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1381
1382 2010-06-11  Richard Henderson  <rth@redhat.com>
1383
1384         * clone.cc (clone_entry_compare): Fix typo.
1385         From Patrik Marlier <patrick.marlier@unine.ch>.
1386
1387 2010-05-13  Richard Henderson  <rth@redhat.com>
1388
1389         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1390         in extern "C".
1391
1392 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1393
1394         * libitm_i.h (struct gtm_transaction): Remove
1395         get_allocation_size.
1396         (record_allocation): Remove size parameter.
1397         * libitm.map (_ITM_realloc): Remove.
1398         * alloc_c.cc (_ITM_realloc): Remove.
1399         (_ITM_malloc): Remove size argument to record_allocation.
1400         (_ITM_calloc): Same.
1401         * alloc_cpp.cc (_ZGTtnwm): Same.
1402         (_ZGTtnwmRKSt9nothrow_t): Same.
1403         (_ZGTtnam): Same.
1404         (_ZGTtnamRKSt9nothrow_t): Same.
1405         * alloc.cc (struct gtm_alloc_action): Remove size.
1406         (get_allocation_size): Remove.
1407         (commit_allocations): Add comment.
1408         (record_allocation): Remove size parameter.
1409         (forget_allocation): Remove set of size.
1410
1411 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1412
1413         * Makefile.am (abi_version): New.
1414         (AM_CXXFLAGS): Pass abi_version.
1415         * Makefile.in: Regenerate.
1416         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1417
1418 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1419
1420         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1421         _ITM_getTMCloneOrIrrevokable.
1422         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1423         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1424
1425 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1426
1427         * configure.ac: Remove Linux futex support.
1428         * configure.tgt (config_path): Same.
1429         * Makefile.am: Same.
1430         * config/linux: Remove entire directory.
1431         * configure: Rebuild.
1432         * Makefile.in: Rebuild.
1433         * testsuite/Makefile.in: Rebuild.
1434
1435 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1436
1437         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1438         switching to serial mode.
1439         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1440
1441 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1442
1443         * configure.tgt: Add emacs -*- tags.
1444         * barrier.tpl: Same.
1445
1446 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         * Makefile.am: Rename serial.cc to method-serial.cc.
1449         * Makefile.in: Regenerate with automake 1.11.1.
1450         * testsuite/Makefile.in: Same.
1451         * aclocal.m4: Regenerate with aclocal 1.11.1.
1452         * method-serial.cc: Rename from serial.cc.
1453         * libitm_i.h (struct gtm_transaction): Update comment on
1454         serialirr_mode.
1455
1456 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1457
1458         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1459         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1460
1461 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1462
1463         * configure: Rebuild.
1464
1465 2009-11-12  Richard Henderson  <rth@redhat.com>
1466
1467         * Rewrite everything in C++.
1468
1469 2009-11-03  Richard Henderson  <rth@redhat.com>
1470
1471         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1472         * Makefile.am (libitm_la_SOURCES): Add them.
1473         * configure.ac (ARCH_X86): New conditional.
1474         * Makefile.in, configure: Rebuild.
1475         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1476         Move futex setup into "other system configury" case.
1477         * local.c (rollback_local): Merge into ...
1478         (GTM_rollback_local): ... here.
1479         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1480         (_ITM_LB): Define as an alias to GTM_LB.
1481
1482 2009-11-03  Richard Henderson  <rth@redhat.com>
1483
1484         * method-readonly.c: New file.
1485         * Makefile.am (libitm_la_SOURCES): Add it.
1486         * Makefile.in: Rebuild.
1487         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1488         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1489         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1490         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1491         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1492         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1493         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1494         gtm_get_clock, gtm_inc_clock): New.
1495         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1496         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1497         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1498         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1499         replace uses with new libitm_i.h symbols.
1500         (dispatch_wbetl): Rename from wbetl_dispatch.
1501         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1502         away from dispatch_readonly; abort if the beginTransaction call
1503         asserted that the transaction was readonly.
1504
1505 2009-11-03  Richard Henderson  <rth@redhat.com>
1506
1507         * memset.c: New file.
1508         * Makefile.am (libitm_la_SOURCES): Add it.
1509         * Makefile.in: Rebuild.
1510         * testsuite/libitm.c/memset-1.c: New.
1511
1512 2009-11-03  Richard Henderson  <rth@redhat.com>
1513
1514         * dispatch.c: Remove file.
1515         * useraction.c (struct gtm_user_action): Move from libitm.h.
1516         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1517         (serial_memset, serial_memmove, serial_memcpy): Remove.
1518         (serial_W*, serial_R*): Remove.
1519         (serial_dispatch): Update to match.
1520         * configure.ac: Move Werror down below configure checks.  Don't
1521         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1522         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1523         Use GCC_AC_FUNC_MMAP_BLACKLIST
1524         * libitm.h: Split out all internal items to...
1525         * libitm_i.h: ... here.  New file.
1526         * copymask.c: New file.
1527         * local.c (struct gtm_local_undo): Move from libitm.h.
1528         (GTM_alloc_local): Rename from alloc_local; export.
1529         * memcpy.c: New file.
1530         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1531         * config/posix/page.c: New file.
1532         * config/posix/target_tls.h: Remove file.
1533         * barrier.c: New file.
1534         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1535         copymask.c, page.c.
1536         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1537         * method-wbetl.c: Rewrite for new cacheline methods.
1538         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1539
1540         * config/alpha/sjlj.S: Fix typo.
1541         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1542         * config/alpha/copymask.c: New file.
1543         * config/alpha/target.h (CACHELINE_SIZE): New.
1544         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1545
1546         * config/x86/target_i.h: Copy functions from x86/target.h.
1547         * config/x86/copymask.c: New file.
1548         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1549         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1550         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1551         * config/x86/target_tls.h: Move contents to target_i.h.
1552
1553         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1554         * testsuite/libitm.c/memcpy-1.c: New.
1555
1556 2009-10-22  Richard Henderson  <rth@redhat.com>
1557
1558         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1559         (AM_CCASFLAGS): New.
1560         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1561         saving/restoring _AC_ARG_VAR_PRECIOUS.
1562         * Makefile.in, aclocal.m4, config.h.in, configure,
1563         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1564
1565 2009-10-22  Richard Henderson  <rth@redhat.com>
1566
1567         * testsuite/*: Update for new compiler syntax.
1568
1569 2009-10-21  Richard Henderson  <rth@redhat.com>
1570
1571         * libitm.h (_ITM_abortReason): Add outerAbort.
1572
1573 2009-08-03  Richard Henderson  <rth@redhat.com>
1574
1575         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1576         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1577         * method-wbetl.c (struct w_entry): Remove mask.
1578         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1579         adjust all callers.
1580
1581 2009-07-22  Richard Henderson  <rth@redhat.com>
1582
1583         * eh_cpp.c: New file.
1584         * Makefile.am (libitm_la_SOURCES): Add it.
1585         * Makefile.in: Rebuild.
1586         * beginend.c (GTM_rollback_transaction): Undo exception state.
1587         (GTM_trycommit_transaction): Mark inline.
1588         (GTM_trycommit_and_finalize_transaction): Split out from ...
1589         (_ITM_commitTransaction): ... here.
1590         (_ITM_commitTransactionEH): New function.
1591         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1592         cxa_unthrown, eh_in_flight; reorder.
1593
1594         * testsuite/libitm.c++/c++.exp: New.
1595         * testsuite/libitm.c++/eh-1.C: New.
1596
1597         * aatree.c (aa_free): Remove REGPARM.
1598         * aatree.h: Remove all REGPARM.
1599
1600 2009-07-18  Richard Henderson  <rth@redhat.com>
1601
1602         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1603         * Makefile.am (libitm_la_SOURCES): Add them.
1604         * Makefile.in: Rebuild.
1605         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1606         (GTM_trycommit_transaction): Likewise.
1607         * libitm.h: Include aatree.h
1608         (struct gtm_alloc_action): New.
1609         (struct gtm_transaction): Add alloc_actions.
1610         (GTM_record_allocation, GTM_forget_allocation): Declare.
1611         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1612         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1613         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1614         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1615         _ZGTtdaPvRKSt9nothrow_t): Export.
1616
1617 2009-07-18  Richard Henderson  <rth@redhat.com>
1618
1619         * target_tls.h: Move ...
1620         * config/posix/target_tls.h: ... here.
1621
1622 2009-07-07  Richard Henderson  <rth@redhat.com>
1623
1624         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1625
1626 2009-07-07  Richard Henderson  <rth@redhat.com>
1627
1628         * Update to GPL3.
1629
1630 2009-07-07  Richard Henderson  <rth@redhat.com>
1631
1632         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1633         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1634
1635         * configure.tgt: Don't use -ftls-model for x86 linux.
1636         * libitm.h: Include target.h after standard includes.
1637         (_gtm_thr): Rename from gtm_thr.
1638         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1639         (gtm_disp, set_gtm_disp): New.
1640         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1641         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1642         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1643
1644 2009-07-07  Richard Henderson  <rth@redhat.com>
1645
1646         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1647
1648 2009-07-06  Richard Henderson  <rth@redhat.com>
1649
1650         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1651         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1652         (_ITM_beginTransaction): Take variadic arguments.
1653         (_ITM_registerThrownObject): Declare.
1654         * beginend.c, serial.c: Update.
1655         * libitm.map: Add _ITM_registerThrownObject.
1656
1657 2009-01-28  Richard Henderson  <rth@redhat.com>
1658
1659         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1660         * Makefile.in: Rebuild.
1661         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1662         (GTM_restart_transaction): Fix uninstrumented code check.
1663         * retry.c (GTM_decide_retry_strategy): Add serial check.
1664         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1665         automatically go irrevokable when in serial mode.
1666         * clone.c: New file.
1667         * libitm.h, libitm.map: Update.
1668
1669 2009-01-27  Richard Henderson  <rth@redhat.com>
1670
1671         * Makefile.am (LTCCASCOMPILE): Define.
1672         (libitm_la_SOURCES): Add methid-wbetl.c.
1673         * testsuite/Makefile.am: New
1674         * configure.ac: Add testsuite/Makefile.
1675         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1676         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1677         (_ITM_abortTransaction): Finalize implementation method; pass
1678         transaction properties to longjmp.
1679         (GTM_restart_transaction): Split out from ...
1680         (_ITM_commitTransaction): ... here.
1681         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1682         Move to config/x86/target.h.
1683         * config/linux/alpha/futex_bits.h: New.
1684         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1685         * config/x86/target.h: Disable target types for 32-bit.
1686         * config/alpha/sjlj.S, config/alpha/target.h: New.
1687         * libitm.h (struct gtm_dispatch): Add init, fini.
1688         (enum restart_reason): New.
1689         (struct gtm_transaction): Add method and restarts.
1690         * retry.c (GTM_decide_retry_strategy): Implement.
1691         * serial.c (serial_init, serial_fini): New.
1692         (GTM_serialmode): Finialize outgoing method.
1693         * method-wbetl.c: New.
1694
1695 2008-12-09  Richard Henderson  <rth@redhat.com>
1696
1697         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1698         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1699         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1700         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1701         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1702         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1703         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1704         * serial.c (serial_R##T, serial_W##T): Likewise.
1705
1706 2008-11-21  Richard Henderson  <rth@redhat.com>
1707
1708         * Initial commit.