main/libitm/ChangeLog

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