libitm/ChangeLog

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