libitm/ChangeLog

   1 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * configure.tgt (x86_64): Tune -m32 multilib to generic.
   4
   5 2014-10-30  Release Manager
   6
   7         * GCC 4.9.2 released.
   8
   9 2014-07-24  Richard Henderson  <rth@redhat.com>
  10
  11         * config/aarch64/sjlj.S: New file.
  12         * config/aarch64/target.h: New file.
  13         * configure.tgt: Enable aarch64.
  14
  15 2014-07-16  Release Manager
  16
  17         * GCC 4.9.1 released.
  18
  19 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  20
  21         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  22         -mclear-hwcap instead.
  23         * configure: Regenerate.
  24         * clearcap.map: Remove.
  25
  26 2014-04-22  Release Manager
  27
  28         * GCC 4.9.0 released.
  29
  30 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  31
  32         * config/generic/asmcfi.h: Also check for
  33         __GCC_HAVE_DWARF2_CFI_ASM.
  34
  35 2013-04-02  Richard Henderson  <rth@redhat.com>
  36
  37         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  38         * config/arm/target.h, config/sh/target.h: Likewise.
  39         * config/sparc/target.h, config/x86/target.h: Likewise.
  40
  41 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  42
  43         * config/linux/futex_bits.h: Include errno.h.
  44         (sys_futex0): If syscall returns -1, return -errno rather than
  45         -1.
  46
  47 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  48
  49         * libitm.texi (Index): Rename to Library Index.
  50
  51 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  52
  53         PR libitm/53113
  54         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  55         (x86_avx.lo): Append -mavx to CXXFLAGS.
  56         * Makefile.in: Regenerate.
  57
  58 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  59
  60         Update copyright years
  61
  62 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  63
  64         * libitm.texi: Bump @copying's copyright year.
  65
  66 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  67
  68         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  69         (FUNC): Define ELFv2 variant.
  70         (END): Likewise.
  71         (HIDDEN): Likewise.
  72         (CALL): Likewise.
  73         (BASE): Likewise.
  74         (LR_SAVE): Likewise.
  75
  76 2013-09-20  Alan Modra  <amodra@gmail.com>
  77
  78         * configure: Regenerate.
  79
  80 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  81
  82         * config/posix/rwlock.cc: Fix initialization order.
  83
  84 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  85
  86         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  87         (htm_fastpath): Assign an asm name.
  88         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  89         HTM fast paths.
  90         (_ITM_actions): Likewise.
  91         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  92         x86_64.
  93         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  94         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  95         field to the start of the structure.
  96         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  97         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  98         handling for custom HTM fast paths.
  99
 100 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 101         Revert:
 102         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 103
 104         * configure.tgt: Add -msoft-float to XCFLAGS.
 105
 106 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 107
 108         * configure.tgt: Add -msoft-float to XCFLAGS.
 109
 110 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 111
 112         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 113         (htm_transaction_active): Enable zEC12 instructions in the
 114         assembler.
 115         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 116
 117 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 118
 119         * acinclude.m4: Add htm asm check for s390.
 120         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 121         * configure: Regenerate.
 122         * config/s390/target.h: Remove __HTM__ check.
 123         (htm_available): Call getauxval to get hwcaps and check whether
 124         HTM is available or not.
 125
 126 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 127
 128         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 129         * configure.ac: Use it.
 130         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 131         (AC_CHECK_FUNCS): Check for getauxval.
 132         * config.h.in, configure: Rebuild.
 133         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 134         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 135         (USE_HTM_FASTPATH): Define.
 136         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 137         _HTM_RETRIES) New macros.
 138         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 139         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 140
 141 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 142
 143         * config/s390/target.h: Include htmintrin.h.
 144         (_HTM_ITM_RETRIES): New macro definition.
 145         (htm_available, htm_init, htm_begin, htm_begin_success)
 146         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 147
 148 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 149             Cesar Philippidis  <cesar@codesourcery.com>
 150
 151         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 152         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 153         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 154         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 155
 156 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 157
 158         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 159         (_ITM_getTransactionId): Same.
 160         * config/x86/target.h (htm_transaction_active): New.
 161
 162 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 163
 164         PR libitm/57643
 165         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 166         the HTM fastpath.
 167
 168 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 169
 170         PR bootstrap/56714
 171         * local_atomic (__always_inline): Always define our version.
 172         (__calculate_memory_order): Mark inline.
 173         (atomic_thread_fence): Ditto.
 174         (atomic_signal_fence): Ditto.
 175         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 176         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 177         (atomic_bool::atomic_flag_test_and_set): Ditto.
 178         (atomic_bool::atomic_flag_clear): Ditto.
 179
 180 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 181
 182         * config/s390/sjlj.S: New file.
 183         * config/s390/target.h: New file.
 184         * configure.tgt: Set options for S/390.
 185
 186 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 187
 188         * local_atomic (__always_inline): Add.
 189         (__calculate_memory_order, atomic_thread_fence,
 190          atomic_signal_fence, test_and_set, clear, store, load,
 191          exchange, compare_exchange_weak, compare_exchange_strong,
 192          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 193         Add __always_inline to force inlining.
 194
 195 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 196             Jack Howarth  <howarth@bromo.med.uc.edu>
 197             Patrick Marlier  <patrick.marlier@gmail.com>
 198
 199         PR libitm/55693
 200         * alloc_cpp.cc: Enable function declarations on darwin.
 201         * eh_cpp.cc: Likewise.
 202
 203 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 204
 205         Update copyright years.
 206
 207 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 208
 209         * beginend.cc (htm_fastpath): New.
 210         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 211         _ITM_commitTransactionEH): Add HTM fastpath handling.
 212         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 213         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 214         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 215         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 216         * configure.tgt: Add -mrtm to XCFLAGS.
 217         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 218         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 219         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 220         * retry.cc (parse_default_method): Add HTM method parsing.
 221         (gtm_thread::number_of_threads_changed): Use HTM by default if
 222         available.
 223
 224 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 225
 226         * configure: Regenerate.
 227
 228 2012-10-31  Richard Henderson  <rth@redhat.com>
 229
 230         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 231         * configure.ac: Use it.
 232         * config.h.in, configure: Rebuild.
 233         * testsuite/Makefile.in: Rebuild.
 234
 235 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 236
 237         * libitm.texi: Clarify ABI requirements for data-logging functions.
 238
 239 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 240
 241         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 242         it requires serial mode instead of assuming that for certain
 243         dispatchs.
 244         * dispatch.h (abi_dispatch::requires_serial): New.
 245         (abi_dispatch::abi_dispatch): Adapt.
 246         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 247         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 248         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 249         serial_dispatch::serial_dispatch,
 250         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 251
 252 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 253
 254         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 255         and ia32 declarations some more.
 256         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 257
 258 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR other/43620
 261         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 262         * configure: Regenerate.
 263         * Makefile.in: Regenerate.
 264
 265 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 266
 267         * configure: Regenerated.
 268
 269 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 270
 271         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 272
 273 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 274
 275         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 276
 277 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 278
 279         * configure: Regenerated.
 280
 281 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 282
 283         PR libitm/52854
 284         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 285         for x86-64.
 286
 287 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 288
 289         * configure: Regenerate.
 290
 291 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 292
 293         PR bootstrap/52812
 294         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 295
 296 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 297
 298         * testsuite/lib/libitm.exp: load fortran-modules.exp
 299
 300 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 301
 302         * configure.tgt (*-*-irix6*): Remove.
 303
 304 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 305
 306         PR libitm/52526
 307         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 308         wake-up.
 309
 310 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 311
 312         * configure.tgt (*-*-osf*): Remove.
 313         * configure: Regenerate.
 314
 315 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 316
 317         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 318         memtransfer/memset if size isn't larger than zero.
 319
 320 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 321
 322         * libitm.texi: Link to specification and add a usage example.
 323
 324 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 325
 326         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 327         default dispatch for more than 1 thread to ml_wt.
 328
 329 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 330
 331         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 332
 333 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 334
 335         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 336
 337 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 338
 339         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 340         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 341         (gl_wt_dispatch.rollback): Same.
 342
 343 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 344
 345         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 346
 347 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 348
 349         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 350         for RfW src.  Optimize number of calls to gtm_thr.
 351
 352 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 353
 354         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 355         acquisition to ...
 356         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 357         (default_dispatch): Make atomic.
 358         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 359         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 360         use decide_begin_dispatch() if default_dispatch might have changed.
 361         (GTM::gtm_thread::number_of_threads_changed): Initialize
 362         default_dispatch here.
 363
 364 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 365             Patrick Marlier  <patrick.marlier@gmail.com>
 366
 367         PR libitm/52220
 368         * alloc_cpp.cc: No dummy definitions for darwin.
 369         * eh_cpp.cc: Likewise.
 370
 371 2012-02-14  Richard Henderson  <rth@redhat.com>
 372
 373         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 374
 375 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 376
 377         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 378
 379 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 380
 381         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 382         (GTM::gtm_thread): Add read and write logs.
 383         (GTM::dispatch_ml_wt): Declare.
 384         * retry.cc (parse_default_method): Support ml_wt.
 385         * method-ml.cc: New file.
 386         * Makefile.am: Add method-ml.cc.
 387         * Makefile.in: Regenerate.
 388
 389 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 390
 391         * dispatch.h (GTM::abi_dispatch::supports): New.
 392         (GTM::method_group::reinit): New.
 393         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 394         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 395         supports the current situation.
 396
 397 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 398
 399         * util.cc (GTM::xcalloc): New.
 400         * common.h (GTM::xcalloc): Declare.
 401
 402 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 403
 404         * config/sparc/target.h (cpu_relax): Read from CC register.
 405         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 406
 407 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 408
 409         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 410
 411 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 412
 413         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 414         * config/sparc/cacheline.h: New file.
 415         * config/sparc/target.h: Likewise.
 416         * config/sparc/sjlj.S: Likewise.
 417         * config/linux/sparc/futex_bits.h: Likewise.
 418
 419 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 420
 421         * configure.ac (link_itm): Fix comment.
 422         * configure: Regenerate.
 423         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 424
 425 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 426
 427         PR libitm/51822
 428         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 429         Correct libgomp references.
 430
 431 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 432
 433         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 434         wake-up.
 435
 436 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 437
 438         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 439         end of structure.
 440         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 441         offset values.  Do not copy return address.  Decrement stack
 442         by 56 bytes only.
 443         (GTM_longjump) [__x86_64__]: Update offset values.
 444
 445 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 446
 447         PR libitm/51830
 448         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 449         the first function argument to %eax.
 450
 451 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 452
 453         * libitm.h (_ITM_getThreadnum): Remove.
 454         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 455
 456 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 457
 458         * clearcap.map: New file.
 459         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 460         * configure.ac: Call it.
 461         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 462         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 463         * configure: Regenerate.
 464         * Makefile.in: Regenerate.
 465         * testsuite/Makefile.in: Regenerate.
 466
 467 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 468
 469         PR libitm/51173
 470         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 471         include, exclude options.
 472
 473 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 474
 475         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 476         rolling back.
 477         * containers.h (GTM::vector::set_size): New.
 478
 479 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 480
 481         PR libitm/51855
 482         * config/generic/tls.h (GTM::mask_stack_top): New.
 483         (GTM::mask_stack_bottom): Declare.
 484         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 485         * local.cc (gtm_undolog::rollback): Filter out any updates that
 486         overlap the libitm stack.  Add current transaction as parameter.
 487         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 488         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 489         * testsuite/libitm.c/stackundo.c: New test.
 490
 491 2012-01-10  Richard Henderson  <rth@redhat.com>
 492
 493         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 494         * eh_cpp.cc (_Unwind_DeleteException): Define for
 495         !HAVE_ELF_STYLE_WEAKREF.
 496
 497 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 498
 499         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 500         (GTM::gtm_thread::drop_references_undolog): Remove.
 501         (GTM::gtm_thread::commit_undolog,
 502         GTM::gtm_thread::rollback_undolog): Move to ...
 503         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 504         (GTM::gtm_undolog_entry): Remove.
 505         (GTM::gtm_thread): Adapt.
 506         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 507         (GTM::gtm_thread::trycommit): Adapt.
 508         * method-serial.cc (serial_dispatch::log): Adapt.
 509         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 510         (gl_wt_dispatch::store): Fix likely/unlikely.
 511         * containers.h (GTM::vector::resize): Add additional_capacity
 512         parameter and handle it.
 513         (GTM::vector::resize_noinline): New/adapt.
 514         (GTM::vector::push): New.
 515
 516 2012-01-06  Richard Henderson  <rth@redhat.com>
 517
 518         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 519         * config/linux/powerpc/futex_bits.h: New file.
 520         * config/powerpc/cacheline.h: New file.
 521         * config/powerpc/sjlj.S: New file.
 522         * config/powerpc/target.h: New file.
 523         * config/generic/asmcfi.h (cfi_offset): New.
 524         (cfi_restore, cfi_undefined): New.
 525
 526 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 527
 528         PR other/51171
 529         * testsuite/libitm.c/reentrant.c: Remove xfail.
 530         (thread): Pass x to pure().
 531         From Patrik Marlier <patrick.marlier@gmail.com>.
 532
 533 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 534
 535         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 536         privatization safety if already in serial mode.
 537
 538 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 539
 540         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 541         finish_serial_upgrade parameter.
 542         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 543         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 544         Don't unset reader flag.
 545         (GTM::gtm_rwlock::write_upgrade_finish): New.
 546         * config/posix/rwlock.cc: Same.
 547         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 548         Declare.
 549         * config/posix/rwlock.h: Same.
 550         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 551         flag after commit or after rollback when restarting.
 552
 553 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 554
 555         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 556         (GTM::gtm_thread::try_commit): Changed memory order.
 557         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 558         as parameter.
 559         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 560         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 561         * config/linux/futex_bits.h (sys_futex0): Same.
 562         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 563         * config/linux/futex.h (futex_wait, futex_wake): Same.
 564         * config/linux/rwlock.h (gtm_rwlock::writers,
 565         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 566         ints.
 567         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 568         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 569         gtm_rwlock::write_unlock): Fix memory orders and fences.
 570         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 571         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 572         gtm_rwlock::write_unlock): Same.
 573         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 574         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 575         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 576         Add comments.
 577         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 578         gl_wt_dispatch::load, gl_wt_dispatch::store,
 579         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 580         orders and fences.  Add comments.
 581
 582 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 583
 584         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 585         * Makefile.in: Regenerated.
 586
 587 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 588
 589         * configure.tgt: Add sh* case.
 590         * config/sh/target.h: New file.
 591         * config/sh/sjlj.S: New file.
 592         * config/linux/sh/futex_bits.h: New file.
 593
 594 2011-12-14  Richard Henderson  <rth@redhat.com>
 595
 596         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 597         * config/arm/sjlj.S, config/arm/target.h: New files.
 598         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 599         (cfi_rel_offset): New.
 600         * config/linux/futex_bits.h: New file.
 601         * config/linux/futex.cc: Include futex_bits.h here...
 602         * config/linux/futex.h: ... not here.
 603         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 604         * configure.ac (ARCH_AM): New conditional.
 605         * Makefile.in, configure: Rebuild.
 606         * configure.tgt: Handle ARM.
 607
 608 2011-12-13  Richard Henderson  <rth@redhat.com>
 609
 610         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 611         signed/unsigned comparison werror.
 612
 613         * local_atomic: New file.
 614         * libitm_i.h: Include it.
 615         (gtm_thread::shared_state): Use atomic template.
 616         * beginend.cc (GTM::gtm_clock): Use atomic template.
 617         (global_tid): Use atomic template if 64-bit atomics available.
 618         (gtm_thread::gtm_thread): Update shared_state access.
 619         (gtm_thread::trycommit): Likewise.
 620         (choose_code_path): Update global_tid access.
 621         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 622         * stmlock.h (GTM::gtm_clock): Use atomic template.
 623         (gtm_get_clock, gtm_inc_clock): Update accesses.
 624         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 625         redundant __sync_synchronize after atomic shared_state access.
 626         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 627         (gtm_rwlock::write_lock_generic): Likewise.
 628         (gtm_rwlock::read_unlock): Likewise.
 629         * config/alpha/target.h (atomic_read_barrier): Remove.
 630         (atomic_write_barrier): Remove.
 631         * config/x86/target.h (atomic_read_barrier): Remove.
 632         (atomic_write_barrier): Remove.
 633
 634 2011-11-30  Richard Henderson  <rth@redhat.com>
 635
 636         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 637         * beginend.c (_ITM_abortTransaction): Update to match.
 638         (GTM::gtm_thread::restart): Likewise.
 639         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 640         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 641
 642 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 643
 644         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 645         * Makefile.in: Regenerate.
 646
 647 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 648
 649         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 650         * alloc_cpp.cc: Generate dummy functions if we don't
 651         HAVE_ELF_STYLE_WEAKREF.
 652         * eh_cpp.cc: Likewise.
 653         * configure: Regenerate.
 654         * aclocal.m4:  Likewise.
 655         * config.h.in: Likewise.
 656         * Makefile.in: Likewise.
 657         * testsuite/Makefile.in: Likewise.
 658
 659 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 660
 661         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 662         __USER_LABEL_PREFIX__ for targets that use it.
 663         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 664         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 665         in portability to non-elf targets.
 666         (GTM_longjmp): Likewise.
 667         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 668         where required.
 669
 670 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 671
 672         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 673         * testsuite/libitm.c/memset-1.c: Likewise.
 674
 675 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 676
 677         * configure: Regenerate.
 678
 679 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 680
 681         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 682         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 683         * Makefile.am: Handle sun style versioning.
 684         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 685         * configure: Regenerate.
 686         * Makefile.in: Regenerate.
 687
 688 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 689
 690         * config/generic/asmcfi.h: Fix comment.
 691         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 692         sequence without .hidden support, error for non-ELF targets.
 693         (GTM_longjmp) [__ELF__]: Only use .hidden if
 694         HAVE_ATTRIBUTE_VISIBILITY.
 695
 696 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 697
 698         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 699         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 700         Dummy functions.
 701         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 702         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 703
 704 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 705
 706         PR bootstrap/51098
 707         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 708         * configure: Regenerate.
 709
 710 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 711
 712         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 713
 714 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 715
 716         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 717         .hidden.
 718         (.note.GNU-stack): Only use if __linux__.
 719         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 720         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 721         * testsuite/libitm.c/reentrant.c: Likewise.
 722         * testsuite/libitm.c/simple-2.c: Likewise.
 723         * testsuite/libitm.c/txrelease.c: Likewise.
 724         * testsuite/libitm.c++/static_ctor.C: Likewise.
 725
 726 2011-11-10  Richard Henderson  <rth@redhat.com>
 727
 728         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 729         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 730         * configure.ac (ARCH_X86_AVX): New conditional.
 731         * Makefile.in, configure: Rebuild.
 732
 733 2011-11-09  Richard Henderson  <rth@redhat.com>
 734
 735         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 736         * configure.ac: Use it.
 737         * config.h.in, configure: Rebuild.
 738         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 739
 740 2011-11-09  Richard Henderson  <rth@redhat.com>
 741
 742         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 743         * config/alpha/unaligned.h: Remove file.
 744         * config/generic/unaligned.h: Remove file.
 745         * config/x86/unaligned.h: Remove file.
 746         * config/generic/cachepage.h: Remove file.
 747         * config/posix/cachepage.cc: Remove file.
 748         * config/generic/cacheline.cc: Remove file.
 749         * config/x86/cacheline.cc: Remove file.
 750         * config/generic/cacheline.h (gtm_cacheline): Remove the
 751         store_mask, copy_mask, copy_mask_wb methods.
 752         * config/x86/cacheline.h: Likewise.
 753         * config/alpha/cacheline.h: Fall back to generic after setting size.
 754         * config/generic/tls.cc (gtm_mask_stack): Remove.
 755         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 756         (GTM_vpalignr_table): Remove.
 757         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 758         (GTM_pshift_table): Remove.
 759         * config/libitm_i.h: Don't include cachepage.h.
 760         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 761         * Makefile.in, testsuite/Makefile.in: Rebuild.
 762
 763 2011-11-09  Richard Henderson  <rth@redhat.com>
 764
 765         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 766         to emit branch prediction hint.
 767
 768         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 769         Protect .note.GNU-stack with __linux__.
 770
 771         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 772         * configure, aclocal.m4, config.h.in: Rebuild.
 773         * config/generic/asmcfi.h: New file.
 774         * config/x86/sjlj.S: Use it.
 775
 776 2011-11-08  Richard Henderson  <rth@redhat.com>
 777
 778         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 779
 780 2011-11-08  Richard Henderson  <rth@redhat.com>
 781
 782         * configure.tgt: Test correct directory for supported cpus.
 783
 784         * configure.ac: Exit if unsupported.
 785         * configure: Rebuild.
 786         * configure.tgt: Delete boilerplate from libgomp for unsupported
 787         targets.  Set UNSUPPORTED for unsupported targets.
 788
 789 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 790
 791         * configure.tgt: Handle i386 like i[456]86.
 792         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 793         take address.
 794         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 795         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 796
 797 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 798
 799         * method-wbetl.cc: Update copyright notice.
 800         * aatree.cc: Same.
 801         * util.cc: Same.
 802         * libitm.h: Same.
 803         * memset.cc: Same.
 804         * eh_cpp.cc: Same.
 805         * barrier.tpl: Same.
 806         * useraction.cc: Same.
 807         * stmlock.h: Same.
 808         * memcpy.cc: Same.
 809         * common.h: Same.
 810         * config/generic/tls.cc: Same.
 811         * config/generic/cacheline.h: Same.
 812         * config/generic/cachepage.h: Same.
 813         * config/generic/cacheline.cc: Same.
 814         * config/generic/unaligned.h: Same.
 815         * config/x86/cacheline.h: Same.
 816         * config/x86/cacheline.cc: Same.
 817         * config/x86/unaligned.h: Same.
 818         * config/alpha/cacheline.h: Same.
 819         * config/alpha/unaligned.h: Same.
 820         * config/alpha/sjlj.S: Same.
 821         * config/posix/cachepage.cc: Same.
 822         * config/linux/futex.h: Same.
 823         * config/linux/alpha/futex_bits.h: Same.
 824
 825 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 826
 827         * libitm.texi: No cover text and invariant sections.
 828
 829 2011-11-03  Richard Henderson  <rth@redhat.com>
 830
 831         * local_type_traits: New file.
 832         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 833
 834 2011-11-03  Richard Henderson  <rth@redhat.com>
 835
 836         * configure.ac: Don't test for gfortran.
 837         * configure: Rebuild.
 838
 839         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 840         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 841
 842 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 843
 844         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 845         * testsuite/libitm.c/memset-1.c: Same.
 846         * testsuite/libitm.c/c.exp: Same.
 847         * testsuite/lib/libitm-dg.exp: Same.
 848         * testsuite/lib/libitm.exp: Same.
 849         * testsuite/libitm.c++/c++.exp: Same.
 850
 851 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 852
 853         * testsuite/config/default.exp: Update copyright date.
 854         * configure.ac: Add copyright info.
 855         * configure.tgt: Same.
 856
 857 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 858
 859         * testsuite/libitm.c/reentrant.c: XFAIL.
 860         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 861
 862 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 863
 864         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 865         handle aborts.
 866         (_ITM_abortTransaction): Handle aborts of outer transactions.
 867         * libitm_i.h: Same.
 868         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 869         * libitm.texi: Document aborts of outer transactions.
 870         * testsuite/libitm.c/cancel.c: New file.
 871
 872 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 873
 874         * testsuite/*: Change __transaction to __transaction_atomic or
 875         __transaction_relaxed.
 876
 877 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 878
 879         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 880         (gtm_thr): Same.
 881
 882 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 883
 884         * libitm_i.h: Add gl_wt dispatch.
 885         * retry.cc (parse_default_method): Same.
 886         * method-gl.cc: New file.
 887         * Makefile.am: Use method-gl.cc.
 888         * Makefile.in: Rebuild.
 889
 890 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 891
 892         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 893         safety if requested by a TM method.
 894         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 895         privatization safety.
 896         * method-serial.cc: Same.
 897
 898 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 899
 900         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 901         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 902         undolog-related member functions from *_local to *_undolog.
 903         * local.cc (gtm_thread::commit_undolog): Same.
 904         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 905         (GTM::gtm_thread::rollback): Roll back undolog before
 906         dispatch-specific rollback.
 907
 908 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 909
 910         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 911         re-initialization of the current method group.
 912         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 913
 914 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 915
 916         * alloc.cc (commit_allocations_2): Do not free transaction-local
 917         memory when committing a nested transaction.
 918
 919 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 920
 921         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 922         serial-irrevocable dispatch, not serial.
 923
 924 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 925
 926         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 927         declarations.
 928         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 929         * method-serial.cc: Implement begin_or_restart().
 930         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 931         dispatch-specific begin_or_restart().
 932         (GTM::gtm_thread::restart): Same.
 933
 934 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 935
 936         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 937         restarting without switching to serial mode.
 938         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 939         transaction state. Choose closed-nesting alternative if available.
 940         (GTM::gtm_thread::set_default_dispatch): New.
 941         (parse_default_method): New.
 942         (GTM::gtm_thread::number_of_threads_changed): New.
 943         * method-serial.cc (GTM::serial_mg): New method group class.
 944         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 945         fini.
 946         (GTM::serial_dispatch): Same.
 947         (GTM::serialirr_onwrite_dispatch): Same.
 948         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 949         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 950         registered threads.
 951         (GTM::gtm_thread::gtm_thread): Same.
 952         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 953         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 954         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 955         choose dispatch but set state according to dispatch here.
 956         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 957         (GTM::method_group): New class.
 958         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 959         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 960         * libitm.texi: Document TM methods, method groups, method life cycle.
 961         Rename method sets to method groups.
 962
 963 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 964
 965         * config/x86/tls.h: Moved to ...
 966         * config/linux/x86/tls.h: ... here.
 967
 968 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 969
 970         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 971         Add X32 support.
 972         * config/x86/sjlj.S: Same.
 973
 974 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 975
 976         * config/linux/rwlock.h: New file.
 977         * config/linux/rwlock.c: New file.
 978         * configure.ac: Reenable futex support (undo SVN rev 157758).
 979         * Makefile.am: Same.
 980         * configure.tgt: Same.
 981         * config/linux/alpha/futex_bits.h: Same.
 982         * config/linux/futex.h: Same. Return number of woken processes.
 983         * config/linux/futex.cc: Same.
 984         (futex_wait): Remove spinning.
 985         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 986         Use __x86_64__ instead of __LP64__.
 987         * aclocal.m4: Include generic futex checks.
 988         * configure: Rebuild.
 989         * Makefile.in: Rebuild.
 990         * testsuite/Makefile.in: Rebuild.
 991         * beginend.cc: Include pthread.h.
 992         * config/posix/cachepage.cc: Same.
 993
 994 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 995
 996         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 997         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 998         (set_gtm_thr): New.
 999         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1000         (set_gtm_thr): New.
1001         (GTM::gtm_thread::thread_num): Removed.
1002         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1003         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1004         tx-to-thread renaming.
1005         * beginend.cc: Adapted to tx-to-thread renaming.
1006         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1007         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1008         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1009         gtm_transaction to gtm_thread.
1010         (_ITM_getThreadnum): Removed. Not supported anymore.
1011         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1012         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1013         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1014         gtm_tx-to-gtm_thr renaming if necessary.
1015         * eh_cpp.cc: Same.
1016         * local.cc: Same.
1017         * retry.cc: Same.
1018         * clone.cc: Same.
1019         * alloc.cc: Same.
1020         * alloc_c.cc: Same.
1021         * alloc_cpp.cc: Same.
1022         * method-serial.cc: Same.
1023         * config/generic/tls.cc: Same.
1024         * config/posix/rwlock.h (gtm_rwlock): Same.
1025         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1026
1027 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1028
1029         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1030         implementation.
1031         (gtm_rwlock::read_unlock): Same.
1032         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1033         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1034         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1035         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1036         w_upgrade. Replaced by per-transaction flags (in shared_state).
1037         Added c_confirmed_writers.
1038         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1039         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1040         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1041         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1042         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1043         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1044         * libitm.texi: Document locking conventions and implementations in
1045         libitm.
1046
1047 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1048
1049         * libitm_i.h (next_tx): Add list of all threads' transaction.
1050         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1051         transaction with list of transactions and ...
1052         (thread_exit_handler): ... deregister here.
1053         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1054         * config/x86/target.h: Same.
1055
1056 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1057
1058         * testsuite/libitm.c++/static_ctor.C: New file.
1059
1060 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1061
1062         * testsuite/libitm.c/reentrant.c: New file.
1063
1064 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1065
1066         * config/generic/tls.h: Remove the free list for transactions and ...
1067         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1068         (GTM::gtm_transaction::operator delete): ... and release here.
1069         (thread_exit_handler): New. Delete tx when thread terminates.
1070         (thread_exit_init): New.
1071         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1072         * testsuite/libitm.c/txrelease.c: New file.
1073
1074 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1075
1076         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1077         * testsuite/libitm.c/notx.c: New file.
1078
1079 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1080
1081         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1082         * libitm_i.h (local_tid): ... to here.
1083         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1084         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1085
1086 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1087
1088         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1089         serialirr_onwrite_dispatch as new default for now.
1090         * method-serial.cc (serialirr_onwrite_dispatch): New.
1091         (GTM::dispatch_serialirr_onwrite): New.
1092         * libitm_i.h: Same.
1093
1094 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1095
1096         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1097         * query.cc (_ITM_getTransactionId): There is no active transaction if
1098         the current nesting level is zero.
1099
1100 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1101
1102         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1103         rollback.
1104
1105 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1106
1107         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1108         transaction properties from the caller instead of from the
1109         transaction object.
1110         * libitm_i.h: Same.
1111         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1112
1113 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1114
1115         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1116         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1117         * dispatch.h: Same.
1118         * method-serial.cc: Same.
1119         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1120         flat nesting as default, and closed nesting on demand.
1121         (GTM::gtm_transaction::rollback): Same.
1122         (_ITM_abortTransaction): Same.
1123         (GTM::gtm_transaction::restart): Same.
1124         (GTM::gtm_transaction::trycommit): Same.
1125         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1126         (choose_code_path): New.
1127         (GTM::gtm_transaction_cp::save): New.
1128         (GTM::gtm_transaction_cp::commit): New.
1129         * query.cc (_ITM_inTransaction): Support flat nesting.
1130         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1131         (GTM::gtm_transaction): Support flat and closed nesting.
1132         * alloc.cc (commit_allocations_2): New.
1133         (commit_cb_data): New helper struct.
1134         (GTM::gtm_transaction::commit_allocations): Handle nested
1135         commits/rollbacks.
1136         * libitm.texi: Update user action section, add description of nesting.
1137
1138 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1139
1140         * libitm_i.h: Add closed nesting as restart reason.
1141         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1142
1143 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1144
1145         * useraction.cc: Use vector instead of list to store actions.
1146         Also support partial rollbacks for closed nesting.
1147         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1148         * beginend.cc: Same.
1149
1150 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1151
1152         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1153         closed_nesting flags, as well as a closed nesting alternative.
1154         * method-serial.cc: Same.
1155         (serial_dispatch): Renamed to serialirr_dispatch.
1156         (GTM::dispatch_serialirr): Same.
1157         (serial_dispatch_ul): Renamed to serial_dispatch.
1158         (GTM::dispatch_serial): Same.
1159
1160 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1161
1162         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1163
1164 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1165
1166         * aatree.h (aa_tree::remove): New.
1167         (aa_tree::operator new): Add placement new.
1168
1169 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1170
1171         * containers.h: New file.
1172         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1173         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1174         * common.h: ... to here.
1175         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1176         * local.cc: Same.
1177
1178 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1179
1180         * libitm_i.h (STATE_ABORTING): Remove.
1181         * beginend.cc (_ITM_abortTransaction): Same.
1182         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1183         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1184         (_ITM_rollbackTransaction): Remove.
1185         * beginend.cc: Same.
1186         * libitm.map: Same.
1187         * libitm.texi: Document these ABI changes.
1188
1189 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1190
1191         * libitm.texi: New file.
1192         * Makefile.am: Add libitm.texi.
1193         * Makefile.in: Rebuild.
1194
1195 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1196
1197         * libitm_i.h: Move parts to common.h and dispatch.h.
1198         * common.h: New file.
1199         * dispatch.h: New file, new dispatch class.
1200         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1201         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1202         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1203         decision to retry.cc.
1204         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1205         only.
1206         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1207         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1208         logging.
1209         * barrier.cc: Use new barriers definitions.
1210         (abi_dispatch::memmove_overlap_check): New.
1211         * config/x86/x86_sse.cc: Same.
1212         * config/x86/x86_avx.cc: Same.
1213         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1214         memcpy.cc.
1215         * Makefile.in: Rebuild.
1216         * method-readonly.cc: Remove.
1217         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1218         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1219
1220 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1221
1222         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1223         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1224         * testsuite/libitm.c/dropref-2.c: Same.
1225         * testsuite/libitm.c/dropref.c: Same.
1226
1227 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1228
1229         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1230         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1231         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1232         * alloc_c.cc: Same.
1233         * barrier.tpl: Same.
1234         * beginend.c: Same.
1235         * config/generic/tls.h: Same.
1236         * config/x86/tls.h: Same.
1237         * libitm_i.h: Same.
1238         * memcpy.cc: Same.
1239         * memset.cc: Same.
1240         * method-readonly.cc: Same.
1241         * method-serial.cc: Same.
1242         * method-wbetl.cc: Same.
1243         * retry.cc: Same.
1244
1245 2011-03-03  Richard Henderson  <rth@redhat.com>
1246
1247         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1248         From Patrik Marlier <patrick.marlier@unine.ch>.
1249
1250 2011-02-03  Richard Henderson  <rth@redhat.com>
1251
1252         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1253         * configure.ac: Use it.
1254         * configure, config.h.in: Rebuild.
1255         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1256         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1257         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1258         * libitm.map: Use wildcards to match size_t mangling.
1259
1260 2010-12-14  Richard Henderson  <rth@redhat.com>
1261
1262         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1263         blocks of TIDs per thread.
1264         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1265         (setup_gtm_thr): Return the thread structure.
1266         * config/x86/tls.h (setup_gtm_thr): Likewise.
1267
1268 2010-12-14  Richard Henderson  <rth@redhat.com>
1269
1270         * clone.cc (table_lock): Remove.
1271         (find_clone): Don't take it.
1272         (ExcludeTransaction): New helper class.
1273         (_ITM_registerTMCloneTable): Use it.
1274         (_ITM_deregisterTMCloneTable): Likewise.
1275
1276 2010-12-14  Richard Henderson  <rth@redhat.com>
1277
1278         * config/x86/tls.h: New file.
1279
1280 2010-07-15  Richard Henderson  <rth@redhat.com>
1281
1282         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1283         * Makefile.in: Rebuild.
1284
1285 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1286
1287         * method-wbetl.cc (trydropreference): Fix source line.
1288
1289 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1290
1291         * libitm.h: Add comment.
1292         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1293
1294 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1295
1296         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1297         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1298         available, use pthread mutexes.
1299         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1300         * config.h.in: Regenerate.
1301         * configure: Regenerate.
1302
1303 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1304
1305         * libitm.h (ITM_PURE): Define.
1306         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1307
1308 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1309
1310         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1311         (validate): Add comment.
1312         (trydropreference): New.
1313         * method-readonly.cc (class readonly_dispatch): Add
1314         trydropreference.
1315         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1316         Call trydropreference().
1317         * libitm.h (_ITM_dropReferences): Remove const attribute.
1318         * method-serial.cc (class serial_dispatch): Add trydropreference.
1319         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1320
1321 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * memcpy.cc (do_memcpy): Comment.
1324
1325 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1326
1327         * barrier.tpl: Add comments throughout.
1328
1329 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1330
1331         * method-wbetl.cc (struct w_entry): Add comments.
1332         (trycommit): Same.
1333         (rollback): Same.
1334
1335 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1336
1337         * alloc_c.cc (_ITM_dropReferences): New.
1338         * libitm.map (_ITM_dropReferences): Add.
1339         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1340         * libitm_i.h (struct gtm_transaction): Declare
1341         drop_references_allocations and drop_references_local.
1342         * local.cc (rollback_local): Ignore memory when applicable.
1343         (drop_references_local): New.
1344
1345 2010-06-23  Richard Henderson  <rth@redhat.com>
1346
1347         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1348         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1349         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1350         * config/alpha/target.h: Likewise.
1351         * config/generic/tls.cc (gtm_mask_stack): Use it.
1352
1353 2010-06-23  Richard Henderson  <rth@redhat.com>
1354
1355         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1356         a mutex instead of trying a lock-free compare-and-swap on the list.
1357         (gtm_cacheline_page::operator delete): Likewise.
1358
1359 2010-06-16  Richard Henderson  <rth@redhat.com>
1360
1361         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1362         that overlap the libitm stack.
1363         * barrier.tpl: Mark incoming stack.
1364         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1365         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1366         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1367         * memcpy.cc, memset.cc: Likewise.
1368         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1369         * config/generic/tls.h (gtm_thread): Add stack_top member.
1370         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1371         * libitm_i.h (gtm_mask_stack): Declare.
1372         * config/generic/tls.cc: New file.
1373         * Makefile.am (libitm_la_SOURCES): Add it.
1374         (AM_CXXFLAGS): Turn off exceptions.
1375         * Makefile.in: Rebuild.
1376
1377 2010-06-16  Richard Henderson  <rth@redhat.com>
1378
1379         * alloc.cc (struct gtm_alloc_action): Move definition ...
1380         * libitm_i.h: ... here.
1381         (class gtm_transaction): Declare new and delete.
1382         * beginend.cc (alloc_tx): Reformulate as operator new.
1383         (free_tx): Reformulate as operator delete.
1384         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1385
1386 2010-06-11  Richard Henderson  <rth@redhat.com>
1387
1388         * clone.cc (clone_entry_compare): Fix typo.
1389         From Patrik Marlier <patrick.marlier@unine.ch>.
1390
1391 2010-05-13  Richard Henderson  <rth@redhat.com>
1392
1393         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1394         in extern "C".
1395
1396 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1397
1398         * libitm_i.h (struct gtm_transaction): Remove
1399         get_allocation_size.
1400         (record_allocation): Remove size parameter.
1401         * libitm.map (_ITM_realloc): Remove.
1402         * alloc_c.cc (_ITM_realloc): Remove.
1403         (_ITM_malloc): Remove size argument to record_allocation.
1404         (_ITM_calloc): Same.
1405         * alloc_cpp.cc (_ZGTtnwm): Same.
1406         (_ZGTtnwmRKSt9nothrow_t): Same.
1407         (_ZGTtnam): Same.
1408         (_ZGTtnamRKSt9nothrow_t): Same.
1409         * alloc.cc (struct gtm_alloc_action): Remove size.
1410         (get_allocation_size): Remove.
1411         (commit_allocations): Add comment.
1412         (record_allocation): Remove size parameter.
1413         (forget_allocation): Remove set of size.
1414
1415 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1416
1417         * Makefile.am (abi_version): New.
1418         (AM_CXXFLAGS): Pass abi_version.
1419         * Makefile.in: Regenerate.
1420         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1421
1422 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1423
1424         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1425         _ITM_getTMCloneOrIrrevokable.
1426         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1427         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1428
1429 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1430
1431         * configure.ac: Remove Linux futex support.
1432         * configure.tgt (config_path): Same.
1433         * Makefile.am: Same.
1434         * config/linux: Remove entire directory.
1435         * configure: Rebuild.
1436         * Makefile.in: Rebuild.
1437         * testsuite/Makefile.in: Rebuild.
1438
1439 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1440
1441         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1442         switching to serial mode.
1443         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1444
1445 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1446
1447         * configure.tgt: Add emacs -*- tags.
1448         * barrier.tpl: Same.
1449
1450 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1451
1452         * Makefile.am: Rename serial.cc to method-serial.cc.
1453         * Makefile.in: Regenerate with automake 1.11.1.
1454         * testsuite/Makefile.in: Same.
1455         * aclocal.m4: Regenerate with aclocal 1.11.1.
1456         * method-serial.cc: Rename from serial.cc.
1457         * libitm_i.h (struct gtm_transaction): Update comment on
1458         serialirr_mode.
1459
1460 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1461
1462         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1463         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1464
1465 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1466
1467         * configure: Rebuild.
1468
1469 2009-11-12  Richard Henderson  <rth@redhat.com>
1470
1471         * Rewrite everything in C++.
1472
1473 2009-11-03  Richard Henderson  <rth@redhat.com>
1474
1475         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1476         * Makefile.am (libitm_la_SOURCES): Add them.
1477         * configure.ac (ARCH_X86): New conditional.
1478         * Makefile.in, configure: Rebuild.
1479         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1480         Move futex setup into "other system configury" case.
1481         * local.c (rollback_local): Merge into ...
1482         (GTM_rollback_local): ... here.
1483         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1484         (_ITM_LB): Define as an alias to GTM_LB.
1485
1486 2009-11-03  Richard Henderson  <rth@redhat.com>
1487
1488         * method-readonly.c: New file.
1489         * Makefile.am (libitm_la_SOURCES): Add it.
1490         * Makefile.in: Rebuild.
1491         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1492         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1493         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1494         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1495         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1496         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1497         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1498         gtm_get_clock, gtm_inc_clock): New.
1499         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1500         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1501         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1502         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1503         replace uses with new libitm_i.h symbols.
1504         (dispatch_wbetl): Rename from wbetl_dispatch.
1505         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1506         away from dispatch_readonly; abort if the beginTransaction call
1507         asserted that the transaction was readonly.
1508
1509 2009-11-03  Richard Henderson  <rth@redhat.com>
1510
1511         * memset.c: New file.
1512         * Makefile.am (libitm_la_SOURCES): Add it.
1513         * Makefile.in: Rebuild.
1514         * testsuite/libitm.c/memset-1.c: New.
1515
1516 2009-11-03  Richard Henderson  <rth@redhat.com>
1517
1518         * dispatch.c: Remove file.
1519         * useraction.c (struct gtm_user_action): Move from libitm.h.
1520         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1521         (serial_memset, serial_memmove, serial_memcpy): Remove.
1522         (serial_W*, serial_R*): Remove.
1523         (serial_dispatch): Update to match.
1524         * configure.ac: Move Werror down below configure checks.  Don't
1525         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1526         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1527         Use GCC_AC_FUNC_MMAP_BLACKLIST
1528         * libitm.h: Split out all internal items to...
1529         * libitm_i.h: ... here.  New file.
1530         * copymask.c: New file.
1531         * local.c (struct gtm_local_undo): Move from libitm.h.
1532         (GTM_alloc_local): Rename from alloc_local; export.
1533         * memcpy.c: New file.
1534         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1535         * config/posix/page.c: New file.
1536         * config/posix/target_tls.h: Remove file.
1537         * barrier.c: New file.
1538         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1539         copymask.c, page.c.
1540         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1541         * method-wbetl.c: Rewrite for new cacheline methods.
1542         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1543
1544         * config/alpha/sjlj.S: Fix typo.
1545         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1546         * config/alpha/copymask.c: New file.
1547         * config/alpha/target.h (CACHELINE_SIZE): New.
1548         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1549
1550         * config/x86/target_i.h: Copy functions from x86/target.h.
1551         * config/x86/copymask.c: New file.
1552         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1553         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1554         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1555         * config/x86/target_tls.h: Move contents to target_i.h.
1556
1557         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1558         * testsuite/libitm.c/memcpy-1.c: New.
1559
1560 2009-10-22  Richard Henderson  <rth@redhat.com>
1561
1562         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1563         (AM_CCASFLAGS): New.
1564         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1565         saving/restoring _AC_ARG_VAR_PRECIOUS.
1566         * Makefile.in, aclocal.m4, config.h.in, configure,
1567         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1568
1569 2009-10-22  Richard Henderson  <rth@redhat.com>
1570
1571         * testsuite/*: Update for new compiler syntax.
1572
1573 2009-10-21  Richard Henderson  <rth@redhat.com>
1574
1575         * libitm.h (_ITM_abortReason): Add outerAbort.
1576
1577 2009-08-03  Richard Henderson  <rth@redhat.com>
1578
1579         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1580         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1581         * method-wbetl.c (struct w_entry): Remove mask.
1582         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1583         adjust all callers.
1584
1585 2009-07-22  Richard Henderson  <rth@redhat.com>
1586
1587         * eh_cpp.c: New file.
1588         * Makefile.am (libitm_la_SOURCES): Add it.
1589         * Makefile.in: Rebuild.
1590         * beginend.c (GTM_rollback_transaction): Undo exception state.
1591         (GTM_trycommit_transaction): Mark inline.
1592         (GTM_trycommit_and_finalize_transaction): Split out from ...
1593         (_ITM_commitTransaction): ... here.
1594         (_ITM_commitTransactionEH): New function.
1595         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1596         cxa_unthrown, eh_in_flight; reorder.
1597
1598         * testsuite/libitm.c++/c++.exp: New.
1599         * testsuite/libitm.c++/eh-1.C: New.
1600
1601         * aatree.c (aa_free): Remove REGPARM.
1602         * aatree.h: Remove all REGPARM.
1603
1604 2009-07-18  Richard Henderson  <rth@redhat.com>
1605
1606         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1607         * Makefile.am (libitm_la_SOURCES): Add them.
1608         * Makefile.in: Rebuild.
1609         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1610         (GTM_trycommit_transaction): Likewise.
1611         * libitm.h: Include aatree.h
1612         (struct gtm_alloc_action): New.
1613         (struct gtm_transaction): Add alloc_actions.
1614         (GTM_record_allocation, GTM_forget_allocation): Declare.
1615         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1616         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1617         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1618         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1619         _ZGTtdaPvRKSt9nothrow_t): Export.
1620
1621 2009-07-18  Richard Henderson  <rth@redhat.com>
1622
1623         * target_tls.h: Move ...
1624         * config/posix/target_tls.h: ... here.
1625
1626 2009-07-07  Richard Henderson  <rth@redhat.com>
1627
1628         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1629
1630 2009-07-07  Richard Henderson  <rth@redhat.com>
1631
1632         * Update to GPL3.
1633
1634 2009-07-07  Richard Henderson  <rth@redhat.com>
1635
1636         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1637         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1638
1639         * configure.tgt: Don't use -ftls-model for x86 linux.
1640         * libitm.h: Include target.h after standard includes.
1641         (_gtm_thr): Rename from gtm_thr.
1642         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1643         (gtm_disp, set_gtm_disp): New.
1644         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1645         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1646         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1647
1648 2009-07-07  Richard Henderson  <rth@redhat.com>
1649
1650         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1651
1652 2009-07-06  Richard Henderson  <rth@redhat.com>
1653
1654         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1655         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1656         (_ITM_beginTransaction): Take variadic arguments.
1657         (_ITM_registerThrownObject): Declare.
1658         * beginend.c, serial.c: Update.
1659         * libitm.map: Add _ITM_registerThrownObject.
1660
1661 2009-01-28  Richard Henderson  <rth@redhat.com>
1662
1663         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1664         * Makefile.in: Rebuild.
1665         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1666         (GTM_restart_transaction): Fix uninstrumented code check.
1667         * retry.c (GTM_decide_retry_strategy): Add serial check.
1668         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1669         automatically go irrevokable when in serial mode.
1670         * clone.c: New file.
1671         * libitm.h, libitm.map: Update.
1672
1673 2009-01-27  Richard Henderson  <rth@redhat.com>
1674
1675         * Makefile.am (LTCCASCOMPILE): Define.
1676         (libitm_la_SOURCES): Add methid-wbetl.c.
1677         * testsuite/Makefile.am: New
1678         * configure.ac: Add testsuite/Makefile.
1679         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1680         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1681         (_ITM_abortTransaction): Finalize implementation method; pass
1682         transaction properties to longjmp.
1683         (GTM_restart_transaction): Split out from ...
1684         (_ITM_commitTransaction): ... here.
1685         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1686         Move to config/x86/target.h.
1687         * config/linux/alpha/futex_bits.h: New.
1688         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1689         * config/x86/target.h: Disable target types for 32-bit.
1690         * config/alpha/sjlj.S, config/alpha/target.h: New.
1691         * libitm.h (struct gtm_dispatch): Add init, fini.
1692         (enum restart_reason): New.
1693         (struct gtm_transaction): Add method and restarts.
1694         * retry.c (GTM_decide_retry_strategy): Implement.
1695         * serial.c (serial_init, serial_fini): New.
1696         (GTM_serialmode): Finialize outgoing method.
1697         * method-wbetl.c: New.
1698
1699 2008-12-09  Richard Henderson  <rth@redhat.com>
1700
1701         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1702         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1703         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1704         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1705         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1706         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1707         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1708         * serial.c (serial_R##T, serial_W##T): Likewise.
1709
1710 2008-11-21  Richard Henderson  <rth@redhat.com>
1711
1712         * Initial commit.