libitm/ChangeLog

   1 2014-12-05  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * configure.tgt (x86_64): Tune -m32 multilib to generic.
   4
   5 2014-05-22  Release Manager
   6
   7         * GCC 4.8.3 released.
   8
   9 2014-04-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  10
  11         * acinclude.m4: Move s390* case from RTM to HTM check.
  12         * configure: Regenerate.
  13
  14 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  15
  16         * config/generic/asmcfi.h: Also check for
  17         __GCC_HAVE_DWARF2_CFI_ASM.
  18
  19 2014-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  20
  21         Backport from mainline r204808:
  22
  23         2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  24
  25         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  26         (FUNC): Define ELFv2 variant.
  27         (END): Likewise.
  28         (HIDDEN): Likewise.
  29         (CALL): Likewise.
  30         (BASE): Likewise.
  31         (LR_SAVE): Likewise.
  32
  33 2014-04-04  Bill Schmidt <wschmidt@linux.vnet.ibm.com>
  34
  35         Power8 HTM Support
  36         Backport from mainline
  37         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
  38         * configure: Rebuild.
  39         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
  40         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  41         (USE_HTM_FASTPATH): Define.
  42         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT)
  43         (_HTM_RETRIES) New macros.
  44         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init)
  45         (htm_begin_success, htm_commit, htm_transaction_active): New functions.
  46
  47 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  48
  49         * config/linux/futex_bits.h: Include errno.h.
  50         (sys_futex0): If syscall returns -1, return -errno rather than
  51         -1.
  52
  53 2014-03-03  Peter Bergner  <bergner@vnet.ibm.com>
  54
  55         Backport from mainline
  56         2013-06-20  Torvald Riegel  <triegel@redhat.com>
  57
  58         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  59         (_ITM_getTransactionId): Same.
  60         * config/x86/target.h (htm_transaction_active): New.
  61
  62         2013-06-20  Torvald Riegel  <triegel@redhat.com>
  63
  64         PR libitm/57643
  65         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  66         the HTM fastpath.
  67
  68 2013-10-16  Release Manager
  69
  70         * GCC 4.8.2 released.
  71
  72 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  73
  74         Revert:
  75         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  76
  77         * configure.tgt: Add -msoft-float to XCFLAGS.
  78
  79 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  80
  81         * config/s390/sjlj.S: Add file missing from last commit.
  82         * config/s390/target.h: Likewise.
  83
  84 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  85
  86         Backports from mainline:
  87         2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  88
  89         * config/s390/sjlj.S: New file.
  90         * config/s390/target.h: New file.
  91         * configure.tgt: Set options for S/390.
  92
  93         2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  94
  95         * config/s390/target.h: Include htmintrin.h.
  96         (_HTM_ITM_RETRIES): New macro definition.
  97         (htm_available, htm_init, htm_begin, htm_begin_success)
  98         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  99
 100         2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 101
 102         * acinclude.m4: Add htm asm check for s390.
 103         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the
 104         options.
 105         * configure: Regenerate.
 106         * config/s390/target.h: Remove __HTM__ check.
 107         (htm_available): Call getauxval to get hwcaps and check
 108         whether HTM is available or not.
 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         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 118
 119         * configure.tgt: Add -msoft-float to XCFLAGS.
 120
 121 2013-05-31  Release Manager
 122
 123         * GCC 4.8.1 released.
 124
 125 2013-03-22  Release Manager
 126
 127         * GCC 4.8.0 released.
 128
 129 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 130             Jack Howarth  <howarth@bromo.med.uc.edu>
 131             Patrick Marlier  <patrick.marlier@gmail.com>
 132
 133         PR libitm/55693
 134         * alloc_cpp.cc: Enable function declarations on darwin.
 135         * eh_cpp.cc: Likewise.
 136
 137 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 138
 139         Update copyright years.
 140
 141 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 142
 143         * beginend.cc (htm_fastpath): New.
 144         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 145         _ITM_commitTransactionEH): Add HTM fastpath handling.
 146         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 147         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 148         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 149         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 150         * configure.tgt: Add -mrtm to XCFLAGS.
 151         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 152         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 153         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 154         * retry.cc (parse_default_method): Add HTM method parsing.
 155         (gtm_thread::number_of_threads_changed): Use HTM by default if
 156         available.
 157
 158 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 159
 160         * configure: Regenerate.
 161
 162 2012-10-31  Richard Henderson  <rth@redhat.com>
 163
 164         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 165         * configure.ac: Use it.
 166         * config.h.in, configure: Rebuild.
 167         * testsuite/Makefile.in: Rebuild.
 168
 169 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 170
 171         * libitm.texi: Clarify ABI requirements for data-logging functions.
 172
 173 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 174
 175         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 176         it requires serial mode instead of assuming that for certain
 177         dispatchs.
 178         * dispatch.h (abi_dispatch::requires_serial): New.
 179         (abi_dispatch::abi_dispatch): Adapt.
 180         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 181         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 182         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 183         serial_dispatch::serial_dispatch,
 184         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 185
 186 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 187
 188         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 189         and ia32 declarations some more.
 190         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 191
 192 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR other/43620
 195         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 196         * configure: Regenerate.
 197         * Makefile.in: Regenerate.
 198
 199 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 200
 201         * configure: Regenerated.
 202
 203 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 204
 205         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 206
 207 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 208
 209         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 210
 211 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 212
 213         * configure: Regenerated.
 214
 215 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 216
 217         PR libitm/52854
 218         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 219         for x86-64.
 220
 221 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 222
 223         * configure: Regenerate.
 224
 225 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 226
 227         PR bootstrap/52812
 228         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 229
 230 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 231
 232         * testsuite/lib/libitm.exp: load fortran-modules.exp
 233
 234 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 235
 236         * configure.tgt (*-*-irix6*): Remove.
 237
 238 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 239
 240         PR libitm/52526
 241         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 242         wake-up.
 243
 244 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 245
 246         * configure.tgt (*-*-osf*): Remove.
 247         * configure: Regenerate.
 248
 249 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 250
 251         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 252         memtransfer/memset if size isn't larger than zero.
 253
 254 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 255
 256         * libitm.texi: Link to specification and add a usage example.
 257
 258 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 259
 260         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 261         default dispatch for more than 1 thread to ml_wt.
 262
 263 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 264
 265         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 266
 267 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 268
 269         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 270
 271 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 272
 273         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 274         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 275         (gl_wt_dispatch.rollback): Same.
 276
 277 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 278
 279         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 280
 281 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 282
 283         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 284         for RfW src.  Optimize number of calls to gtm_thr.
 285
 286 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 287
 288         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 289         acquisition to ...
 290         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 291         (default_dispatch): Make atomic.
 292         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 293         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 294         use decide_begin_dispatch() if default_dispatch might have changed.
 295         (GTM::gtm_thread::number_of_threads_changed): Initialize
 296         default_dispatch here.
 297
 298 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 299             Patrick Marlier  <patrick.marlier@gmail.com>
 300
 301         PR libitm/52220
 302         * alloc_cpp.cc: No dummy definitions for darwin.
 303         * eh_cpp.cc: Likewise.
 304
 305 2012-02-14  Richard Henderson  <rth@redhat.com>
 306
 307         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 308
 309 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 310
 311         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 312
 313 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 314
 315         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 316         (GTM::gtm_thread): Add read and write logs.
 317         (GTM::dispatch_ml_wt): Declare.
 318         * retry.cc (parse_default_method): Support ml_wt.
 319         * method-ml.cc: New file.
 320         * Makefile.am: Add method-ml.cc.
 321         * Makefile.in: Regenerate.
 322
 323 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 324
 325         * dispatch.h (GTM::abi_dispatch::supports): New.
 326         (GTM::method_group::reinit): New.
 327         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 328         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 329         supports the current situation.
 330
 331 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 332
 333         * util.cc (GTM::xcalloc): New.
 334         * common.h (GTM::xcalloc): Declare.
 335
 336 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 337
 338         * config/sparc/target.h (cpu_relax): Read from CC register.
 339         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 340
 341 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 342
 343         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 344
 345 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 346
 347         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 348         * config/sparc/cacheline.h: New file.
 349         * config/sparc/target.h: Likewise.
 350         * config/sparc/sjlj.S: Likewise.
 351         * config/linux/sparc/futex_bits.h: Likewise.
 352
 353 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 354
 355         * configure.ac (link_itm): Fix comment.
 356         * configure: Regenerate.
 357         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 358
 359 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 360
 361         PR libitm/51822
 362         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 363         Correct libgomp references.
 364
 365 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 366
 367         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 368         wake-up.
 369
 370 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 371
 372         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 373         end of structure.
 374         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 375         offset values.  Do not copy return address.  Decrement stack
 376         by 56 bytes only.
 377         (GTM_longjump) [__x86_64__]: Update offset values.
 378
 379 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 380
 381         PR libitm/51830
 382         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 383         the first function argument to %eax.
 384
 385 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 386
 387         * libitm.h (_ITM_getThreadnum): Remove.
 388         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 389
 390 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 391
 392         * clearcap.map: New file.
 393         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 394         * configure.ac: Call it.
 395         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 396         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 397         * configure: Regenerate.
 398         * Makefile.in: Regenerate.
 399         * testsuite/Makefile.in: Regenerate.
 400
 401 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 402
 403         PR libitm/51173
 404         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 405         include, exclude options.
 406
 407 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 408
 409         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 410         rolling back.
 411         * containers.h (GTM::vector::set_size): New.
 412
 413 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 414
 415         PR libitm/51855
 416         * config/generic/tls.h (GTM::mask_stack_top): New.
 417         (GTM::mask_stack_bottom): Declare.
 418         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 419         * local.cc (gtm_undolog::rollback): Filter out any updates that
 420         overlap the libitm stack.  Add current transaction as parameter.
 421         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 422         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 423         * testsuite/libitm.c/stackundo.c: New test.
 424
 425 2012-01-10  Richard Henderson  <rth@redhat.com>
 426
 427         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 428         * eh_cpp.cc (_Unwind_DeleteException): Define for
 429         !HAVE_ELF_STYLE_WEAKREF.
 430
 431 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 432
 433         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 434         (GTM::gtm_thread::drop_references_undolog): Remove.
 435         (GTM::gtm_thread::commit_undolog,
 436         GTM::gtm_thread::rollback_undolog): Move to ...
 437         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 438         (GTM::gtm_undolog_entry): Remove.
 439         (GTM::gtm_thread): Adapt.
 440         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 441         (GTM::gtm_thread::trycommit): Adapt.
 442         * method-serial.cc (serial_dispatch::log): Adapt.
 443         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 444         (gl_wt_dispatch::store): Fix likely/unlikely.
 445         * containers.h (GTM::vector::resize): Add additional_capacity
 446         parameter and handle it.
 447         (GTM::vector::resize_noinline): New/adapt.
 448         (GTM::vector::push): New.
 449
 450 2012-01-06  Richard Henderson  <rth@redhat.com>
 451
 452         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 453         * config/linux/powerpc/futex_bits.h: New file.
 454         * config/powerpc/cacheline.h: New file.
 455         * config/powerpc/sjlj.S: New file.
 456         * config/powerpc/target.h: New file.
 457         * config/generic/asmcfi.h (cfi_offset): New.
 458         (cfi_restore, cfi_undefined): New.
 459
 460 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 461
 462         PR other/51171
 463         * testsuite/libitm.c/reentrant.c: Remove xfail.
 464         (thread): Pass x to pure().
 465         From Patrik Marlier <patrick.marlier@gmail.com>.
 466
 467 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 468
 469         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 470         privatization safety if already in serial mode.
 471
 472 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 473
 474         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 475         finish_serial_upgrade parameter.
 476         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 477         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 478         Don't unset reader flag.
 479         (GTM::gtm_rwlock::write_upgrade_finish): New.
 480         * config/posix/rwlock.cc: Same.
 481         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 482         Declare.
 483         * config/posix/rwlock.h: Same.
 484         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 485         flag after commit or after rollback when restarting.
 486
 487 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 488
 489         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 490         (GTM::gtm_thread::try_commit): Changed memory order.
 491         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 492         as parameter.
 493         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 494         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 495         * config/linux/futex_bits.h (sys_futex0): Same.
 496         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 497         * config/linux/futex.h (futex_wait, futex_wake): Same.
 498         * config/linux/rwlock.h (gtm_rwlock::writers,
 499         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 500         ints.
 501         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 502         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 503         gtm_rwlock::write_unlock): Fix memory orders and fences.
 504         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 505         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 506         gtm_rwlock::write_unlock): Same.
 507         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 508         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 509         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 510         Add comments.
 511         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 512         gl_wt_dispatch::load, gl_wt_dispatch::store,
 513         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 514         orders and fences.  Add comments.
 515
 516 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 517
 518         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 519         * Makefile.in: Regenerated.
 520
 521 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 522
 523         * configure.tgt: Add sh* case.
 524         * config/sh/target.h: New file.
 525         * config/sh/sjlj.S: New file.
 526         * config/linux/sh/futex_bits.h: New file.
 527
 528 2011-12-14  Richard Henderson  <rth@redhat.com>
 529
 530         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 531         * config/arm/sjlj.S, config/arm/target.h: New files.
 532         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 533         (cfi_rel_offset): New.
 534         * config/linux/futex_bits.h: New file.
 535         * config/linux/futex.cc: Include futex_bits.h here...
 536         * config/linux/futex.h: ... not here.
 537         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 538         * configure.ac (ARCH_AM): New conditional.
 539         * Makefile.in, configure: Rebuild.
 540         * configure.tgt: Handle ARM.
 541
 542 2011-12-13  Richard Henderson  <rth@redhat.com>
 543
 544         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 545         signed/unsigned comparison werror.
 546
 547         * local_atomic: New file.
 548         * libitm_i.h: Include it.
 549         (gtm_thread::shared_state): Use atomic template.
 550         * beginend.cc (GTM::gtm_clock): Use atomic template.
 551         (global_tid): Use atomic template if 64-bit atomics available.
 552         (gtm_thread::gtm_thread): Update shared_state access.
 553         (gtm_thread::trycommit): Likewise.
 554         (choose_code_path): Update global_tid access.
 555         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 556         * stmlock.h (GTM::gtm_clock): Use atomic template.
 557         (gtm_get_clock, gtm_inc_clock): Update accesses.
 558         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 559         redundant __sync_synchronize after atomic shared_state access.
 560         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 561         (gtm_rwlock::write_lock_generic): Likewise.
 562         (gtm_rwlock::read_unlock): Likewise.
 563         * config/alpha/target.h (atomic_read_barrier): Remove.
 564         (atomic_write_barrier): Remove.
 565         * config/x86/target.h (atomic_read_barrier): Remove.
 566         (atomic_write_barrier): Remove.
 567
 568 2011-11-30  Richard Henderson  <rth@redhat.com>
 569
 570         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 571         * beginend.c (_ITM_abortTransaction): Update to match.
 572         (GTM::gtm_thread::restart): Likewise.
 573         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 574         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 575
 576 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 577
 578         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 579         * Makefile.in: Regenerate.
 580
 581 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 582
 583         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 584         * alloc_cpp.cc: Generate dummy functions if we don't
 585         HAVE_ELF_STYLE_WEAKREF.
 586         * eh_cpp.cc: Likewise.
 587         * configure: Regenerate.
 588         * aclocal.m4:  Likewise.
 589         * config.h.in: Likewise.
 590         * Makefile.in: Likewise.
 591         * testsuite/Makefile.in: Likewise.
 592
 593 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 594
 595         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 596         __USER_LABEL_PREFIX__ for targets that use it.
 597         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 598         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 599         in portability to non-elf targets.
 600         (GTM_longjmp): Likewise.
 601         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 602         where required.
 603
 604 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 605
 606         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 607         * testsuite/libitm.c/memset-1.c: Likewise.
 608
 609 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 610
 611         * configure: Regenerate.
 612
 613 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 614
 615         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 616         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 617         * Makefile.am: Handle sun style versioning.
 618         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 619         * configure: Regenerate.
 620         * Makefile.in: Regenerate.
 621
 622 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 623
 624         * config/generic/asmcfi.h: Fix comment.
 625         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 626         sequence without .hidden support, error for non-ELF targets.
 627         (GTM_longjmp) [__ELF__]: Only use .hidden if
 628         HAVE_ATTRIBUTE_VISIBILITY.
 629
 630 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 631
 632         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 633         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 634         Dummy functions.
 635         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 636         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 637
 638 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 639
 640         PR bootstrap/51098
 641         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 642         * configure: Regenerate.
 643
 644 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 647
 648 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 649
 650         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 651         .hidden.
 652         (.note.GNU-stack): Only use if __linux__.
 653         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 654         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 655         * testsuite/libitm.c/reentrant.c: Likewise.
 656         * testsuite/libitm.c/simple-2.c: Likewise.
 657         * testsuite/libitm.c/txrelease.c: Likewise.
 658         * testsuite/libitm.c++/static_ctor.C: Likewise.
 659
 660 2011-11-10  Richard Henderson  <rth@redhat.com>
 661
 662         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 663         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 664         * configure.ac (ARCH_X86_AVX): New conditional.
 665         * Makefile.in, configure: Rebuild.
 666
 667 2011-11-09  Richard Henderson  <rth@redhat.com>
 668
 669         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 670         * configure.ac: Use it.
 671         * config.h.in, configure: Rebuild.
 672         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 673
 674 2011-11-09  Richard Henderson  <rth@redhat.com>
 675
 676         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 677         * config/alpha/unaligned.h: Remove file.
 678         * config/generic/unaligned.h: Remove file.
 679         * config/x86/unaligned.h: Remove file.
 680         * config/generic/cachepage.h: Remove file.
 681         * config/posix/cachepage.cc: Remove file.
 682         * config/generic/cacheline.cc: Remove file.
 683         * config/x86/cacheline.cc: Remove file.
 684         * config/generic/cacheline.h (gtm_cacheline): Remove the
 685         store_mask, copy_mask, copy_mask_wb methods.
 686         * config/x86/cacheline.h: Likewise.
 687         * config/alpha/cacheline.h: Fall back to generic after setting size.
 688         * config/generic/tls.cc (gtm_mask_stack): Remove.
 689         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 690         (GTM_vpalignr_table): Remove.
 691         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 692         (GTM_pshift_table): Remove.
 693         * config/libitm_i.h: Don't include cachepage.h.
 694         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 695         * Makefile.in, testsuite/Makefile.in: Rebuild.
 696
 697 2011-11-09  Richard Henderson  <rth@redhat.com>
 698
 699         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 700         to emit branch prediction hint.
 701
 702         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 703         Protect .note.GNU-stack with __linux__.
 704
 705         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 706         * configure, aclocal.m4, config.h.in: Rebuild.
 707         * config/generic/asmcfi.h: New file.
 708         * config/x86/sjlj.S: Use it.
 709
 710 2011-11-08  Richard Henderson  <rth@redhat.com>
 711
 712         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 713
 714 2011-11-08  Richard Henderson  <rth@redhat.com>
 715
 716         * configure.tgt: Test correct directory for supported cpus.
 717
 718         * configure.ac: Exit if unsupported.
 719         * configure: Rebuild.
 720         * configure.tgt: Delete boilerplate from libgomp for unsupported
 721         targets.  Set UNSUPPORTED for unsupported targets.
 722
 723 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 724
 725         * configure.tgt: Handle i386 like i[456]86.
 726         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 727         take address.
 728         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 729         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 730
 731 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 732
 733         * method-wbetl.cc: Update copyright notice.
 734         * aatree.cc: Same.
 735         * util.cc: Same.
 736         * libitm.h: Same.
 737         * memset.cc: Same.
 738         * eh_cpp.cc: Same.
 739         * barrier.tpl: Same.
 740         * useraction.cc: Same.
 741         * stmlock.h: Same.
 742         * memcpy.cc: Same.
 743         * common.h: Same.
 744         * config/generic/tls.cc: Same.
 745         * config/generic/cacheline.h: Same.
 746         * config/generic/cachepage.h: Same.
 747         * config/generic/cacheline.cc: Same.
 748         * config/generic/unaligned.h: Same.
 749         * config/x86/cacheline.h: Same.
 750         * config/x86/cacheline.cc: Same.
 751         * config/x86/unaligned.h: Same.
 752         * config/alpha/cacheline.h: Same.
 753         * config/alpha/unaligned.h: Same.
 754         * config/alpha/sjlj.S: Same.
 755         * config/posix/cachepage.cc: Same.
 756         * config/linux/futex.h: Same.
 757         * config/linux/alpha/futex_bits.h: Same.
 758
 759 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 760
 761         * libitm.texi: No cover text and invariant sections.
 762
 763 2011-11-03  Richard Henderson  <rth@redhat.com>
 764
 765         * local_type_traits: New file.
 766         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 767
 768 2011-11-03  Richard Henderson  <rth@redhat.com>
 769
 770         * configure.ac: Don't test for gfortran.
 771         * configure: Rebuild.
 772
 773         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 774         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 775
 776 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 777
 778         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 779         * testsuite/libitm.c/memset-1.c: Same.
 780         * testsuite/libitm.c/c.exp: Same.
 781         * testsuite/lib/libitm-dg.exp: Same.
 782         * testsuite/lib/libitm.exp: Same.
 783         * testsuite/libitm.c++/c++.exp: Same.
 784
 785 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 786
 787         * testsuite/config/default.exp: Update copyright date.
 788         * configure.ac: Add copyright info.
 789         * configure.tgt: Same.
 790
 791 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 792
 793         * testsuite/libitm.c/reentrant.c: XFAIL.
 794         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 795
 796 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 797
 798         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 799         handle aborts.
 800         (_ITM_abortTransaction): Handle aborts of outer transactions.
 801         * libitm_i.h: Same.
 802         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 803         * libitm.texi: Document aborts of outer transactions.
 804         * testsuite/libitm.c/cancel.c: New file.
 805
 806 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 807
 808         * testsuite/*: Change __transaction to __transaction_atomic or
 809         __transaction_relaxed.
 810
 811 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 812
 813         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 814         (gtm_thr): Same.
 815
 816 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 817
 818         * libitm_i.h: Add gl_wt dispatch.
 819         * retry.cc (parse_default_method): Same.
 820         * method-gl.cc: New file.
 821         * Makefile.am: Use method-gl.cc.
 822         * Makefile.in: Rebuild.
 823
 824 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 825
 826         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 827         safety if requested by a TM method.
 828         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 829         privatization safety.
 830         * method-serial.cc: Same.
 831
 832 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 833
 834         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 835         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 836         undolog-related member functions from *_local to *_undolog.
 837         * local.cc (gtm_thread::commit_undolog): Same.
 838         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 839         (GTM::gtm_thread::rollback): Roll back undolog before
 840         dispatch-specific rollback.
 841
 842 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 843
 844         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 845         re-initialization of the current method group.
 846         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 847
 848 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 849
 850         * alloc.cc (commit_allocations_2): Do not free transaction-local
 851         memory when committing a nested transaction.
 852
 853 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 854
 855         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 856         serial-irrevocable dispatch, not serial.
 857
 858 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 859
 860         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 861         declarations.
 862         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 863         * method-serial.cc: Implement begin_or_restart().
 864         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 865         dispatch-specific begin_or_restart().
 866         (GTM::gtm_thread::restart): Same.
 867
 868 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 869
 870         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 871         restarting without switching to serial mode.
 872         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 873         transaction state. Choose closed-nesting alternative if available.
 874         (GTM::gtm_thread::set_default_dispatch): New.
 875         (parse_default_method): New.
 876         (GTM::gtm_thread::number_of_threads_changed): New.
 877         * method-serial.cc (GTM::serial_mg): New method group class.
 878         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 879         fini.
 880         (GTM::serial_dispatch): Same.
 881         (GTM::serialirr_onwrite_dispatch): Same.
 882         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 883         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 884         registered threads.
 885         (GTM::gtm_thread::gtm_thread): Same.
 886         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 887         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 888         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 889         choose dispatch but set state according to dispatch here.
 890         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 891         (GTM::method_group): New class.
 892         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 893         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 894         * libitm.texi: Document TM methods, method groups, method life cycle.
 895         Rename method sets to method groups.
 896
 897 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 898
 899         * config/x86/tls.h: Moved to ...
 900         * config/linux/x86/tls.h: ... here.
 901
 902 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 903
 904         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 905         Add X32 support.
 906         * config/x86/sjlj.S: Same.
 907
 908 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 909
 910         * config/linux/rwlock.h: New file.
 911         * config/linux/rwlock.c: New file.
 912         * configure.ac: Reenable futex support (undo SVN rev 157758).
 913         * Makefile.am: Same.
 914         * configure.tgt: Same.
 915         * config/linux/alpha/futex_bits.h: Same.
 916         * config/linux/futex.h: Same. Return number of woken processes.
 917         * config/linux/futex.cc: Same.
 918         (futex_wait): Remove spinning.
 919         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 920         Use __x86_64__ instead of __LP64__.
 921         * aclocal.m4: Include generic futex checks.
 922         * configure: Rebuild.
 923         * Makefile.in: Rebuild.
 924         * testsuite/Makefile.in: Rebuild.
 925         * beginend.cc: Include pthread.h.
 926         * config/posix/cachepage.cc: Same.
 927
 928 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 929
 930         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 931         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 932         (set_gtm_thr): New.
 933         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 934         (set_gtm_thr): New.
 935         (GTM::gtm_thread::thread_num): Removed.
 936         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 937         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 938         tx-to-thread renaming.
 939         * beginend.cc: Adapted to tx-to-thread renaming.
 940         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 941         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 942         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 943         gtm_transaction to gtm_thread.
 944         (_ITM_getThreadnum): Removed. Not supported anymore.
 945         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 946         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 947         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 948         gtm_tx-to-gtm_thr renaming if necessary.
 949         * eh_cpp.cc: Same.
 950         * local.cc: Same.
 951         * retry.cc: Same.
 952         * clone.cc: Same.
 953         * alloc.cc: Same.
 954         * alloc_c.cc: Same.
 955         * alloc_cpp.cc: Same.
 956         * method-serial.cc: Same.
 957         * config/generic/tls.cc: Same.
 958         * config/posix/rwlock.h (gtm_rwlock): Same.
 959         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 960
 961 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 962
 963         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 964         implementation.
 965         (gtm_rwlock::read_unlock): Same.
 966         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 967         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 968         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 969         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 970         w_upgrade. Replaced by per-transaction flags (in shared_state).
 971         Added c_confirmed_writers.
 972         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 973         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 974         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 975         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 976         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 977         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 978         * libitm.texi: Document locking conventions and implementations in
 979         libitm.
 980
 981 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 982
 983         * libitm_i.h (next_tx): Add list of all threads' transaction.
 984         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 985         transaction with list of transactions and ...
 986         (thread_exit_handler): ... deregister here.
 987         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 988         * config/x86/target.h: Same.
 989
 990 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 991
 992         * testsuite/libitm.c++/static_ctor.C: New file.
 993
 994 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 995
 996         * testsuite/libitm.c/reentrant.c: New file.
 997
 998 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 999
1000         * config/generic/tls.h: Remove the free list for transactions and ...
1001         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1002         (GTM::gtm_transaction::operator delete): ... and release here.
1003         (thread_exit_handler): New. Delete tx when thread terminates.
1004         (thread_exit_init): New.
1005         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1006         * testsuite/libitm.c/txrelease.c: New file.
1007
1008 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1009
1010         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1011         * testsuite/libitm.c/notx.c: New file.
1012
1013 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1014
1015         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1016         * libitm_i.h (local_tid): ... to here.
1017         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1018         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1019
1020 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1021
1022         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1023         serialirr_onwrite_dispatch as new default for now.
1024         * method-serial.cc (serialirr_onwrite_dispatch): New.
1025         (GTM::dispatch_serialirr_onwrite): New.
1026         * libitm_i.h: Same.
1027
1028 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1029
1030         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1031         * query.cc (_ITM_getTransactionId): There is no active transaction if
1032         the current nesting level is zero.
1033
1034 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1035
1036         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1037         rollback.
1038
1039 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1040
1041         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1042         transaction properties from the caller instead of from the
1043         transaction object.
1044         * libitm_i.h: Same.
1045         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1046
1047 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1048
1049         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1050         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1051         * dispatch.h: Same.
1052         * method-serial.cc: Same.
1053         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1054         flat nesting as default, and closed nesting on demand.
1055         (GTM::gtm_transaction::rollback): Same.
1056         (_ITM_abortTransaction): Same.
1057         (GTM::gtm_transaction::restart): Same.
1058         (GTM::gtm_transaction::trycommit): Same.
1059         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1060         (choose_code_path): New.
1061         (GTM::gtm_transaction_cp::save): New.
1062         (GTM::gtm_transaction_cp::commit): New.
1063         * query.cc (_ITM_inTransaction): Support flat nesting.
1064         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1065         (GTM::gtm_transaction): Support flat and closed nesting.
1066         * alloc.cc (commit_allocations_2): New.
1067         (commit_cb_data): New helper struct.
1068         (GTM::gtm_transaction::commit_allocations): Handle nested
1069         commits/rollbacks.
1070         * libitm.texi: Update user action section, add description of nesting.
1071
1072 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1073
1074         * libitm_i.h: Add closed nesting as restart reason.
1075         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1076
1077 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1078
1079         * useraction.cc: Use vector instead of list to store actions.
1080         Also support partial rollbacks for closed nesting.
1081         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1082         * beginend.cc: Same.
1083
1084 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1085
1086         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1087         closed_nesting flags, as well as a closed nesting alternative.
1088         * method-serial.cc: Same.
1089         (serial_dispatch): Renamed to serialirr_dispatch.
1090         (GTM::dispatch_serialirr): Same.
1091         (serial_dispatch_ul): Renamed to serial_dispatch.
1092         (GTM::dispatch_serial): Same.
1093
1094 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1095
1096         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1097
1098 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1099
1100         * aatree.h (aa_tree::remove): New.
1101         (aa_tree::operator new): Add placement new.
1102
1103 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1104
1105         * containers.h: New file.
1106         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1107         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1108         * common.h: ... to here.
1109         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1110         * local.cc: Same.
1111
1112 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1113
1114         * libitm_i.h (STATE_ABORTING): Remove.
1115         * beginend.cc (_ITM_abortTransaction): Same.
1116         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1117         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1118         (_ITM_rollbackTransaction): Remove.
1119         * beginend.cc: Same.
1120         * libitm.map: Same.
1121         * libitm.texi: Document these ABI changes.
1122
1123 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1124
1125         * libitm.texi: New file.
1126         * Makefile.am: Add libitm.texi.
1127         * Makefile.in: Rebuild.
1128
1129 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1130
1131         * libitm_i.h: Move parts to common.h and dispatch.h.
1132         * common.h: New file.
1133         * dispatch.h: New file, new dispatch class.
1134         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1135         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1136         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1137         decision to retry.cc.
1138         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1139         only.
1140         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1141         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1142         logging.
1143         * barrier.cc: Use new barriers definitions.
1144         (abi_dispatch::memmove_overlap_check): New.
1145         * config/x86/x86_sse.cc: Same.
1146         * config/x86/x86_avx.cc: Same.
1147         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1148         memcpy.cc.
1149         * Makefile.in: Rebuild.
1150         * method-readonly.cc: Remove.
1151         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1152         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1153
1154 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1155
1156         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1157         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1158         * testsuite/libitm.c/dropref-2.c: Same.
1159         * testsuite/libitm.c/dropref.c: Same.
1160
1161 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1162
1163         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1164         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1165         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1166         * alloc_c.cc: Same.
1167         * barrier.tpl: Same.
1168         * beginend.c: Same.
1169         * config/generic/tls.h: Same.
1170         * config/x86/tls.h: Same.
1171         * libitm_i.h: Same.
1172         * memcpy.cc: Same.
1173         * memset.cc: Same.
1174         * method-readonly.cc: Same.
1175         * method-serial.cc: Same.
1176         * method-wbetl.cc: Same.
1177         * retry.cc: Same.
1178
1179 2011-03-03  Richard Henderson  <rth@redhat.com>
1180
1181         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1182         From Patrik Marlier <patrick.marlier@unine.ch>.
1183
1184 2011-02-03  Richard Henderson  <rth@redhat.com>
1185
1186         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1187         * configure.ac: Use it.
1188         * configure, config.h.in: Rebuild.
1189         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1190         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1191         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1192         * libitm.map: Use wildcards to match size_t mangling.
1193
1194 2010-12-14  Richard Henderson  <rth@redhat.com>
1195
1196         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1197         blocks of TIDs per thread.
1198         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1199         (setup_gtm_thr): Return the thread structure.
1200         * config/x86/tls.h (setup_gtm_thr): Likewise.
1201
1202 2010-12-14  Richard Henderson  <rth@redhat.com>
1203
1204         * clone.cc (table_lock): Remove.
1205         (find_clone): Don't take it.
1206         (ExcludeTransaction): New helper class.
1207         (_ITM_registerTMCloneTable): Use it.
1208         (_ITM_deregisterTMCloneTable): Likewise.
1209
1210 2010-12-14  Richard Henderson  <rth@redhat.com>
1211
1212         * config/x86/tls.h: New file.
1213
1214 2010-07-15  Richard Henderson  <rth@redhat.com>
1215
1216         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1217         * Makefile.in: Rebuild.
1218
1219 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1220
1221         * method-wbetl.cc (trydropreference): Fix source line.
1222
1223 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1224
1225         * libitm.h: Add comment.
1226         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1227
1228 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1229
1230         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1231         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1232         available, use pthread mutexes.
1233         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1234         * config.h.in: Regenerate.
1235         * configure: Regenerate.
1236
1237 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1238
1239         * libitm.h (ITM_PURE): Define.
1240         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1241
1242 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1243
1244         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1245         (validate): Add comment.
1246         (trydropreference): New.
1247         * method-readonly.cc (class readonly_dispatch): Add
1248         trydropreference.
1249         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1250         Call trydropreference().
1251         * libitm.h (_ITM_dropReferences): Remove const attribute.
1252         * method-serial.cc (class serial_dispatch): Add trydropreference.
1253         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1254
1255 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1256
1257         * memcpy.cc (do_memcpy): Comment.
1258
1259 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1260
1261         * barrier.tpl: Add comments throughout.
1262
1263 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1264
1265         * method-wbetl.cc (struct w_entry): Add comments.
1266         (trycommit): Same.
1267         (rollback): Same.
1268
1269 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1270
1271         * alloc_c.cc (_ITM_dropReferences): New.
1272         * libitm.map (_ITM_dropReferences): Add.
1273         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1274         * libitm_i.h (struct gtm_transaction): Declare
1275         drop_references_allocations and drop_references_local.
1276         * local.cc (rollback_local): Ignore memory when applicable.
1277         (drop_references_local): New.
1278
1279 2010-06-23  Richard Henderson  <rth@redhat.com>
1280
1281         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1282         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1283         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1284         * config/alpha/target.h: Likewise.
1285         * config/generic/tls.cc (gtm_mask_stack): Use it.
1286
1287 2010-06-23  Richard Henderson  <rth@redhat.com>
1288
1289         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1290         a mutex instead of trying a lock-free compare-and-swap on the list.
1291         (gtm_cacheline_page::operator delete): Likewise.
1292
1293 2010-06-16  Richard Henderson  <rth@redhat.com>
1294
1295         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1296         that overlap the libitm stack.
1297         * barrier.tpl: Mark incoming stack.
1298         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1299         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1300         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1301         * memcpy.cc, memset.cc: Likewise.
1302         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1303         * config/generic/tls.h (gtm_thread): Add stack_top member.
1304         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1305         * libitm_i.h (gtm_mask_stack): Declare.
1306         * config/generic/tls.cc: New file.
1307         * Makefile.am (libitm_la_SOURCES): Add it.
1308         (AM_CXXFLAGS): Turn off exceptions.
1309         * Makefile.in: Rebuild.
1310
1311 2010-06-16  Richard Henderson  <rth@redhat.com>
1312
1313         * alloc.cc (struct gtm_alloc_action): Move definition ...
1314         * libitm_i.h: ... here.
1315         (class gtm_transaction): Declare new and delete.
1316         * beginend.cc (alloc_tx): Reformulate as operator new.
1317         (free_tx): Reformulate as operator delete.
1318         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1319
1320 2010-06-11  Richard Henderson  <rth@redhat.com>
1321
1322         * clone.cc (clone_entry_compare): Fix typo.
1323         From Patrik Marlier <patrick.marlier@unine.ch>.
1324
1325 2010-05-13  Richard Henderson  <rth@redhat.com>
1326
1327         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1328         in extern "C".
1329
1330 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1331
1332         * libitm_i.h (struct gtm_transaction): Remove
1333         get_allocation_size.
1334         (record_allocation): Remove size parameter.
1335         * libitm.map (_ITM_realloc): Remove.
1336         * alloc_c.cc (_ITM_realloc): Remove.
1337         (_ITM_malloc): Remove size argument to record_allocation.
1338         (_ITM_calloc): Same.
1339         * alloc_cpp.cc (_ZGTtnwm): Same.
1340         (_ZGTtnwmRKSt9nothrow_t): Same.
1341         (_ZGTtnam): Same.
1342         (_ZGTtnamRKSt9nothrow_t): Same.
1343         * alloc.cc (struct gtm_alloc_action): Remove size.
1344         (get_allocation_size): Remove.
1345         (commit_allocations): Add comment.
1346         (record_allocation): Remove size parameter.
1347         (forget_allocation): Remove set of size.
1348
1349 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1350
1351         * Makefile.am (abi_version): New.
1352         (AM_CXXFLAGS): Pass abi_version.
1353         * Makefile.in: Regenerate.
1354         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1355
1356 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1357
1358         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1359         _ITM_getTMCloneOrIrrevokable.
1360         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1361         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1362
1363 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1364
1365         * configure.ac: Remove Linux futex support.
1366         * configure.tgt (config_path): Same.
1367         * Makefile.am: Same.
1368         * config/linux: Remove entire directory.
1369         * configure: Rebuild.
1370         * Makefile.in: Rebuild.
1371         * testsuite/Makefile.in: Rebuild.
1372
1373 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1374
1375         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1376         switching to serial mode.
1377         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1378
1379 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1380
1381         * configure.tgt: Add emacs -*- tags.
1382         * barrier.tpl: Same.
1383
1384 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1385
1386         * Makefile.am: Rename serial.cc to method-serial.cc.
1387         * Makefile.in: Regenerate with automake 1.11.1.
1388         * testsuite/Makefile.in: Same.
1389         * aclocal.m4: Regenerate with aclocal 1.11.1.
1390         * method-serial.cc: Rename from serial.cc.
1391         * libitm_i.h (struct gtm_transaction): Update comment on
1392         serialirr_mode.
1393
1394 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1395
1396         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1397         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1398
1399 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1400
1401         * configure: Rebuild.
1402
1403 2009-11-12  Richard Henderson  <rth@redhat.com>
1404
1405         * Rewrite everything in C++.
1406
1407 2009-11-03  Richard Henderson  <rth@redhat.com>
1408
1409         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1410         * Makefile.am (libitm_la_SOURCES): Add them.
1411         * configure.ac (ARCH_X86): New conditional.
1412         * Makefile.in, configure: Rebuild.
1413         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1414         Move futex setup into "other system configury" case.
1415         * local.c (rollback_local): Merge into ...
1416         (GTM_rollback_local): ... here.
1417         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1418         (_ITM_LB): Define as an alias to GTM_LB.
1419
1420 2009-11-03  Richard Henderson  <rth@redhat.com>
1421
1422         * method-readonly.c: New file.
1423         * Makefile.am (libitm_la_SOURCES): Add it.
1424         * Makefile.in: Rebuild.
1425         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1426         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1427         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1428         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1429         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1430         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1431         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1432         gtm_get_clock, gtm_inc_clock): New.
1433         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1434         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1435         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1436         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1437         replace uses with new libitm_i.h symbols.
1438         (dispatch_wbetl): Rename from wbetl_dispatch.
1439         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1440         away from dispatch_readonly; abort if the beginTransaction call
1441         asserted that the transaction was readonly.
1442
1443 2009-11-03  Richard Henderson  <rth@redhat.com>
1444
1445         * memset.c: New file.
1446         * Makefile.am (libitm_la_SOURCES): Add it.
1447         * Makefile.in: Rebuild.
1448         * testsuite/libitm.c/memset-1.c: New.
1449
1450 2009-11-03  Richard Henderson  <rth@redhat.com>
1451
1452         * dispatch.c: Remove file.
1453         * useraction.c (struct gtm_user_action): Move from libitm.h.
1454         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1455         (serial_memset, serial_memmove, serial_memcpy): Remove.
1456         (serial_W*, serial_R*): Remove.
1457         (serial_dispatch): Update to match.
1458         * configure.ac: Move Werror down below configure checks.  Don't
1459         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1460         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1461         Use GCC_AC_FUNC_MMAP_BLACKLIST
1462         * libitm.h: Split out all internal items to...
1463         * libitm_i.h: ... here.  New file.
1464         * copymask.c: New file.
1465         * local.c (struct gtm_local_undo): Move from libitm.h.
1466         (GTM_alloc_local): Rename from alloc_local; export.
1467         * memcpy.c: New file.
1468         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1469         * config/posix/page.c: New file.
1470         * config/posix/target_tls.h: Remove file.
1471         * barrier.c: New file.
1472         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1473         copymask.c, page.c.
1474         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1475         * method-wbetl.c: Rewrite for new cacheline methods.
1476         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1477
1478         * config/alpha/sjlj.S: Fix typo.
1479         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1480         * config/alpha/copymask.c: New file.
1481         * config/alpha/target.h (CACHELINE_SIZE): New.
1482         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1483
1484         * config/x86/target_i.h: Copy functions from x86/target.h.
1485         * config/x86/copymask.c: New file.
1486         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1487         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1488         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1489         * config/x86/target_tls.h: Move contents to target_i.h.
1490
1491         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1492         * testsuite/libitm.c/memcpy-1.c: New.
1493
1494 2009-10-22  Richard Henderson  <rth@redhat.com>
1495
1496         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1497         (AM_CCASFLAGS): New.
1498         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1499         saving/restoring _AC_ARG_VAR_PRECIOUS.
1500         * Makefile.in, aclocal.m4, config.h.in, configure,
1501         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1502
1503 2009-10-22  Richard Henderson  <rth@redhat.com>
1504
1505         * testsuite/*: Update for new compiler syntax.
1506
1507 2009-10-21  Richard Henderson  <rth@redhat.com>
1508
1509         * libitm.h (_ITM_abortReason): Add outerAbort.
1510
1511 2009-08-03  Richard Henderson  <rth@redhat.com>
1512
1513         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1514         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1515         * method-wbetl.c (struct w_entry): Remove mask.
1516         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1517         adjust all callers.
1518
1519 2009-07-22  Richard Henderson  <rth@redhat.com>
1520
1521         * eh_cpp.c: New file.
1522         * Makefile.am (libitm_la_SOURCES): Add it.
1523         * Makefile.in: Rebuild.
1524         * beginend.c (GTM_rollback_transaction): Undo exception state.
1525         (GTM_trycommit_transaction): Mark inline.
1526         (GTM_trycommit_and_finalize_transaction): Split out from ...
1527         (_ITM_commitTransaction): ... here.
1528         (_ITM_commitTransactionEH): New function.
1529         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1530         cxa_unthrown, eh_in_flight; reorder.
1531
1532         * testsuite/libitm.c++/c++.exp: New.
1533         * testsuite/libitm.c++/eh-1.C: New.
1534
1535         * aatree.c (aa_free): Remove REGPARM.
1536         * aatree.h: Remove all REGPARM.
1537
1538 2009-07-18  Richard Henderson  <rth@redhat.com>
1539
1540         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1541         * Makefile.am (libitm_la_SOURCES): Add them.
1542         * Makefile.in: Rebuild.
1543         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1544         (GTM_trycommit_transaction): Likewise.
1545         * libitm.h: Include aatree.h
1546         (struct gtm_alloc_action): New.
1547         (struct gtm_transaction): Add alloc_actions.
1548         (GTM_record_allocation, GTM_forget_allocation): Declare.
1549         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1550         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1551         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1552         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1553         _ZGTtdaPvRKSt9nothrow_t): Export.
1554
1555 2009-07-18  Richard Henderson  <rth@redhat.com>
1556
1557         * target_tls.h: Move ...
1558         * config/posix/target_tls.h: ... here.
1559
1560 2009-07-07  Richard Henderson  <rth@redhat.com>
1561
1562         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1563
1564 2009-07-07  Richard Henderson  <rth@redhat.com>
1565
1566         * Update to GPL3.
1567
1568 2009-07-07  Richard Henderson  <rth@redhat.com>
1569
1570         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1571         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1572
1573         * configure.tgt: Don't use -ftls-model for x86 linux.
1574         * libitm.h: Include target.h after standard includes.
1575         (_gtm_thr): Rename from gtm_thr.
1576         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1577         (gtm_disp, set_gtm_disp): New.
1578         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1579         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1580         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1581
1582 2009-07-07  Richard Henderson  <rth@redhat.com>
1583
1584         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1585
1586 2009-07-06  Richard Henderson  <rth@redhat.com>
1587
1588         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1589         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1590         (_ITM_beginTransaction): Take variadic arguments.
1591         (_ITM_registerThrownObject): Declare.
1592         * beginend.c, serial.c: Update.
1593         * libitm.map: Add _ITM_registerThrownObject.
1594
1595 2009-01-28  Richard Henderson  <rth@redhat.com>
1596
1597         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1598         * Makefile.in: Rebuild.
1599         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1600         (GTM_restart_transaction): Fix uninstrumented code check.
1601         * retry.c (GTM_decide_retry_strategy): Add serial check.
1602         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1603         automatically go irrevokable when in serial mode.
1604         * clone.c: New file.
1605         * libitm.h, libitm.map: Update.
1606
1607 2009-01-27  Richard Henderson  <rth@redhat.com>
1608
1609         * Makefile.am (LTCCASCOMPILE): Define.
1610         (libitm_la_SOURCES): Add methid-wbetl.c.
1611         * testsuite/Makefile.am: New
1612         * configure.ac: Add testsuite/Makefile.
1613         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1614         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1615         (_ITM_abortTransaction): Finalize implementation method; pass
1616         transaction properties to longjmp.
1617         (GTM_restart_transaction): Split out from ...
1618         (_ITM_commitTransaction): ... here.
1619         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1620         Move to config/x86/target.h.
1621         * config/linux/alpha/futex_bits.h: New.
1622         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1623         * config/x86/target.h: Disable target types for 32-bit.
1624         * config/alpha/sjlj.S, config/alpha/target.h: New.
1625         * libitm.h (struct gtm_dispatch): Add init, fini.
1626         (enum restart_reason): New.
1627         (struct gtm_transaction): Add method and restarts.
1628         * retry.c (GTM_decide_retry_strategy): Implement.
1629         * serial.c (serial_init, serial_fini): New.
1630         (GTM_serialmode): Finialize outgoing method.
1631         * method-wbetl.c: New.
1632
1633 2008-12-09  Richard Henderson  <rth@redhat.com>
1634
1635         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1636         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1637         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1638         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1639         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1640         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1641         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1642         * serial.c (serial_R##T, serial_W##T): Likewise.
1643
1644 2008-11-21  Richard Henderson  <rth@redhat.com>
1645
1646         * Initial commit.