libitm/ChangeLog

   1 2014-05-22  Release Manager
   2
   3         * GCC 4.8.3 released.
   4
   5 2014-04-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   6
   7         * acinclude.m4: Move s390* case from RTM to HTM check.
   8         * configure: Regenerate.
   9
  10 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  11
  12         * config/generic/asmcfi.h: Also check for
  13         __GCC_HAVE_DWARF2_CFI_ASM.
  14
  15 2014-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  16
  17         Backport from mainline r204808:
  18
  19         2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  20
  21         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  22         (FUNC): Define ELFv2 variant.
  23         (END): Likewise.
  24         (HIDDEN): Likewise.
  25         (CALL): Likewise.
  26         (BASE): Likewise.
  27         (LR_SAVE): Likewise.
  28
  29 2014-04-04  Bill Schmidt <wschmidt@linux.vnet.ibm.com>
  30
  31         Power8 HTM Support
  32         Backport from mainline
  33         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
  34         * configure: Rebuild.
  35         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
  36         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  37         (USE_HTM_FASTPATH): Define.
  38         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT)
  39         (_HTM_RETRIES) New macros.
  40         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init)
  41         (htm_begin_success, htm_commit, htm_transaction_active): New functions.
  42
  43 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  44
  45         * config/linux/futex_bits.h: Include errno.h.
  46         (sys_futex0): If syscall returns -1, return -errno rather than
  47         -1.
  48
  49 2014-03-03  Peter Bergner  <bergner@vnet.ibm.com>
  50
  51         Backport from mainline
  52         2013-06-20  Torvald Riegel  <triegel@redhat.com>
  53
  54         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  55         (_ITM_getTransactionId): Same.
  56         * config/x86/target.h (htm_transaction_active): New.
  57
  58         2013-06-20  Torvald Riegel  <triegel@redhat.com>
  59
  60         PR libitm/57643
  61         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  62         the HTM fastpath.
  63
  64 2013-10-16  Release Manager
  65
  66         * GCC 4.8.2 released.
  67
  68 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  69
  70         Revert:
  71         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  72
  73         * configure.tgt: Add -msoft-float to XCFLAGS.
  74
  75 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  76
  77         * config/s390/sjlj.S: Add file missing from last commit.
  78         * config/s390/target.h: Likewise.
  79
  80 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  81
  82         Backports from mainline:
  83         2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  84
  85         * config/s390/sjlj.S: New file.
  86         * config/s390/target.h: New file.
  87         * configure.tgt: Set options for S/390.
  88
  89         2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  90
  91         * config/s390/target.h: Include htmintrin.h.
  92         (_HTM_ITM_RETRIES): New macro definition.
  93         (htm_available, htm_init, htm_begin, htm_begin_success)
  94         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  95
  96         2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  97
  98         * acinclude.m4: Add htm asm check for s390.
  99         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the
 100         options.
 101         * configure: Regenerate.
 102         * config/s390/target.h: Remove __HTM__ check.
 103         (htm_available): Call getauxval to get hwcaps and check
 104         whether HTM is available or not.
 105
 106         2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 107
 108         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 109         (htm_transaction_active): Enable zEC12 instructions in the
 110         assembler.
 111         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 112
 113         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 114
 115         * configure.tgt: Add -msoft-float to XCFLAGS.
 116
 117 2013-05-31  Release Manager
 118
 119         * GCC 4.8.1 released.
 120
 121 2013-03-22  Release Manager
 122
 123         * GCC 4.8.0 released.
 124
 125 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 126             Jack Howarth  <howarth@bromo.med.uc.edu>
 127             Patrick Marlier  <patrick.marlier@gmail.com>
 128
 129         PR libitm/55693
 130         * alloc_cpp.cc: Enable function declarations on darwin.
 131         * eh_cpp.cc: Likewise.
 132
 133 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 134
 135         Update copyright years.
 136
 137 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 138
 139         * beginend.cc (htm_fastpath): New.
 140         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 141         _ITM_commitTransactionEH): Add HTM fastpath handling.
 142         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 143         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 144         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 145         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 146         * configure.tgt: Add -mrtm to XCFLAGS.
 147         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 148         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 149         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 150         * retry.cc (parse_default_method): Add HTM method parsing.
 151         (gtm_thread::number_of_threads_changed): Use HTM by default if
 152         available.
 153
 154 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 155
 156         * configure: Regenerate.
 157
 158 2012-10-31  Richard Henderson  <rth@redhat.com>
 159
 160         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 161         * configure.ac: Use it.
 162         * config.h.in, configure: Rebuild.
 163         * testsuite/Makefile.in: Rebuild.
 164
 165 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 166
 167         * libitm.texi: Clarify ABI requirements for data-logging functions.
 168
 169 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 170
 171         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 172         it requires serial mode instead of assuming that for certain
 173         dispatchs.
 174         * dispatch.h (abi_dispatch::requires_serial): New.
 175         (abi_dispatch::abi_dispatch): Adapt.
 176         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 177         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 178         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 179         serial_dispatch::serial_dispatch,
 180         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 181
 182 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 183
 184         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 185         and ia32 declarations some more.
 186         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 187
 188 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 189
 190         PR other/43620
 191         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 192         * configure: Regenerate.
 193         * Makefile.in: Regenerate.
 194
 195 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 196
 197         * configure: Regenerated.
 198
 199 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 200
 201         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 202
 203 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 204
 205         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 206
 207 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 208
 209         * configure: Regenerated.
 210
 211 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 212
 213         PR libitm/52854
 214         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 215         for x86-64.
 216
 217 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 218
 219         * configure: Regenerate.
 220
 221 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 222
 223         PR bootstrap/52812
 224         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 225
 226 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 227
 228         * testsuite/lib/libitm.exp: load fortran-modules.exp
 229
 230 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 231
 232         * configure.tgt (*-*-irix6*): Remove.
 233
 234 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 235
 236         PR libitm/52526
 237         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 238         wake-up.
 239
 240 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 241
 242         * configure.tgt (*-*-osf*): Remove.
 243         * configure: Regenerate.
 244
 245 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 246
 247         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 248         memtransfer/memset if size isn't larger than zero.
 249
 250 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 251
 252         * libitm.texi: Link to specification and add a usage example.
 253
 254 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 255
 256         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 257         default dispatch for more than 1 thread to ml_wt.
 258
 259 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 260
 261         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 262
 263 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 264
 265         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 266
 267 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 268
 269         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 270         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 271         (gl_wt_dispatch.rollback): Same.
 272
 273 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 274
 275         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 276
 277 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 278
 279         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 280         for RfW src.  Optimize number of calls to gtm_thr.
 281
 282 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 283
 284         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 285         acquisition to ...
 286         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 287         (default_dispatch): Make atomic.
 288         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 289         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 290         use decide_begin_dispatch() if default_dispatch might have changed.
 291         (GTM::gtm_thread::number_of_threads_changed): Initialize
 292         default_dispatch here.
 293
 294 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 295             Patrick Marlier  <patrick.marlier@gmail.com>
 296
 297         PR libitm/52220
 298         * alloc_cpp.cc: No dummy definitions for darwin.
 299         * eh_cpp.cc: Likewise.
 300
 301 2012-02-14  Richard Henderson  <rth@redhat.com>
 302
 303         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 304
 305 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 306
 307         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 308
 309 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 310
 311         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 312         (GTM::gtm_thread): Add read and write logs.
 313         (GTM::dispatch_ml_wt): Declare.
 314         * retry.cc (parse_default_method): Support ml_wt.
 315         * method-ml.cc: New file.
 316         * Makefile.am: Add method-ml.cc.
 317         * Makefile.in: Regenerate.
 318
 319 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 320
 321         * dispatch.h (GTM::abi_dispatch::supports): New.
 322         (GTM::method_group::reinit): New.
 323         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 324         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 325         supports the current situation.
 326
 327 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 328
 329         * util.cc (GTM::xcalloc): New.
 330         * common.h (GTM::xcalloc): Declare.
 331
 332 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 333
 334         * config/sparc/target.h (cpu_relax): Read from CC register.
 335         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 336
 337 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 338
 339         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 340
 341 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 342
 343         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 344         * config/sparc/cacheline.h: New file.
 345         * config/sparc/target.h: Likewise.
 346         * config/sparc/sjlj.S: Likewise.
 347         * config/linux/sparc/futex_bits.h: Likewise.
 348
 349 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 350
 351         * configure.ac (link_itm): Fix comment.
 352         * configure: Regenerate.
 353         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 354
 355 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 356
 357         PR libitm/51822
 358         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 359         Correct libgomp references.
 360
 361 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 362
 363         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 364         wake-up.
 365
 366 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 367
 368         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 369         end of structure.
 370         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 371         offset values.  Do not copy return address.  Decrement stack
 372         by 56 bytes only.
 373         (GTM_longjump) [__x86_64__]: Update offset values.
 374
 375 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 376
 377         PR libitm/51830
 378         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 379         the first function argument to %eax.
 380
 381 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 382
 383         * libitm.h (_ITM_getThreadnum): Remove.
 384         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 385
 386 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 387
 388         * clearcap.map: New file.
 389         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 390         * configure.ac: Call it.
 391         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 392         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 393         * configure: Regenerate.
 394         * Makefile.in: Regenerate.
 395         * testsuite/Makefile.in: Regenerate.
 396
 397 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 398
 399         PR libitm/51173
 400         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 401         include, exclude options.
 402
 403 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 404
 405         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 406         rolling back.
 407         * containers.h (GTM::vector::set_size): New.
 408
 409 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 410
 411         PR libitm/51855
 412         * config/generic/tls.h (GTM::mask_stack_top): New.
 413         (GTM::mask_stack_bottom): Declare.
 414         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 415         * local.cc (gtm_undolog::rollback): Filter out any updates that
 416         overlap the libitm stack.  Add current transaction as parameter.
 417         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 418         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 419         * testsuite/libitm.c/stackundo.c: New test.
 420
 421 2012-01-10  Richard Henderson  <rth@redhat.com>
 422
 423         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 424         * eh_cpp.cc (_Unwind_DeleteException): Define for
 425         !HAVE_ELF_STYLE_WEAKREF.
 426
 427 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 428
 429         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 430         (GTM::gtm_thread::drop_references_undolog): Remove.
 431         (GTM::gtm_thread::commit_undolog,
 432         GTM::gtm_thread::rollback_undolog): Move to ...
 433         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 434         (GTM::gtm_undolog_entry): Remove.
 435         (GTM::gtm_thread): Adapt.
 436         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 437         (GTM::gtm_thread::trycommit): Adapt.
 438         * method-serial.cc (serial_dispatch::log): Adapt.
 439         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 440         (gl_wt_dispatch::store): Fix likely/unlikely.
 441         * containers.h (GTM::vector::resize): Add additional_capacity
 442         parameter and handle it.
 443         (GTM::vector::resize_noinline): New/adapt.
 444         (GTM::vector::push): New.
 445
 446 2012-01-06  Richard Henderson  <rth@redhat.com>
 447
 448         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 449         * config/linux/powerpc/futex_bits.h: New file.
 450         * config/powerpc/cacheline.h: New file.
 451         * config/powerpc/sjlj.S: New file.
 452         * config/powerpc/target.h: New file.
 453         * config/generic/asmcfi.h (cfi_offset): New.
 454         (cfi_restore, cfi_undefined): New.
 455
 456 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 457
 458         PR other/51171
 459         * testsuite/libitm.c/reentrant.c: Remove xfail.
 460         (thread): Pass x to pure().
 461         From Patrik Marlier <patrick.marlier@gmail.com>.
 462
 463 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 464
 465         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 466         privatization safety if already in serial mode.
 467
 468 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 469
 470         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 471         finish_serial_upgrade parameter.
 472         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 473         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 474         Don't unset reader flag.
 475         (GTM::gtm_rwlock::write_upgrade_finish): New.
 476         * config/posix/rwlock.cc: Same.
 477         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 478         Declare.
 479         * config/posix/rwlock.h: Same.
 480         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 481         flag after commit or after rollback when restarting.
 482
 483 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 484
 485         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 486         (GTM::gtm_thread::try_commit): Changed memory order.
 487         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 488         as parameter.
 489         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 490         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 491         * config/linux/futex_bits.h (sys_futex0): Same.
 492         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 493         * config/linux/futex.h (futex_wait, futex_wake): Same.
 494         * config/linux/rwlock.h (gtm_rwlock::writers,
 495         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 496         ints.
 497         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 498         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 499         gtm_rwlock::write_unlock): Fix memory orders and fences.
 500         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 501         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 502         gtm_rwlock::write_unlock): Same.
 503         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 504         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 505         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 506         Add comments.
 507         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 508         gl_wt_dispatch::load, gl_wt_dispatch::store,
 509         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 510         orders and fences.  Add comments.
 511
 512 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 513
 514         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 515         * Makefile.in: Regenerated.
 516
 517 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 518
 519         * configure.tgt: Add sh* case.
 520         * config/sh/target.h: New file.
 521         * config/sh/sjlj.S: New file.
 522         * config/linux/sh/futex_bits.h: New file.
 523
 524 2011-12-14  Richard Henderson  <rth@redhat.com>
 525
 526         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 527         * config/arm/sjlj.S, config/arm/target.h: New files.
 528         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 529         (cfi_rel_offset): New.
 530         * config/linux/futex_bits.h: New file.
 531         * config/linux/futex.cc: Include futex_bits.h here...
 532         * config/linux/futex.h: ... not here.
 533         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 534         * configure.ac (ARCH_AM): New conditional.
 535         * Makefile.in, configure: Rebuild.
 536         * configure.tgt: Handle ARM.
 537
 538 2011-12-13  Richard Henderson  <rth@redhat.com>
 539
 540         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 541         signed/unsigned comparison werror.
 542
 543         * local_atomic: New file.
 544         * libitm_i.h: Include it.
 545         (gtm_thread::shared_state): Use atomic template.
 546         * beginend.cc (GTM::gtm_clock): Use atomic template.
 547         (global_tid): Use atomic template if 64-bit atomics available.
 548         (gtm_thread::gtm_thread): Update shared_state access.
 549         (gtm_thread::trycommit): Likewise.
 550         (choose_code_path): Update global_tid access.
 551         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 552         * stmlock.h (GTM::gtm_clock): Use atomic template.
 553         (gtm_get_clock, gtm_inc_clock): Update accesses.
 554         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 555         redundant __sync_synchronize after atomic shared_state access.
 556         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 557         (gtm_rwlock::write_lock_generic): Likewise.
 558         (gtm_rwlock::read_unlock): Likewise.
 559         * config/alpha/target.h (atomic_read_barrier): Remove.
 560         (atomic_write_barrier): Remove.
 561         * config/x86/target.h (atomic_read_barrier): Remove.
 562         (atomic_write_barrier): Remove.
 563
 564 2011-11-30  Richard Henderson  <rth@redhat.com>
 565
 566         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 567         * beginend.c (_ITM_abortTransaction): Update to match.
 568         (GTM::gtm_thread::restart): Likewise.
 569         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 570         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 571
 572 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 573
 574         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 575         * Makefile.in: Regenerate.
 576
 577 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 578
 579         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 580         * alloc_cpp.cc: Generate dummy functions if we don't
 581         HAVE_ELF_STYLE_WEAKREF.
 582         * eh_cpp.cc: Likewise.
 583         * configure: Regenerate.
 584         * aclocal.m4:  Likewise.
 585         * config.h.in: Likewise.
 586         * Makefile.in: Likewise.
 587         * testsuite/Makefile.in: Likewise.
 588
 589 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 590
 591         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 592         __USER_LABEL_PREFIX__ for targets that use it.
 593         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 594         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 595         in portability to non-elf targets.
 596         (GTM_longjmp): Likewise.
 597         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 598         where required.
 599
 600 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 601
 602         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 603         * testsuite/libitm.c/memset-1.c: Likewise.
 604
 605 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 606
 607         * configure: Regenerate.
 608
 609 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 610
 611         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 612         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 613         * Makefile.am: Handle sun style versioning.
 614         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 615         * configure: Regenerate.
 616         * Makefile.in: Regenerate.
 617
 618 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 619
 620         * config/generic/asmcfi.h: Fix comment.
 621         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 622         sequence without .hidden support, error for non-ELF targets.
 623         (GTM_longjmp) [__ELF__]: Only use .hidden if
 624         HAVE_ATTRIBUTE_VISIBILITY.
 625
 626 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 627
 628         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 629         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 630         Dummy functions.
 631         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 632         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 633
 634 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 635
 636         PR bootstrap/51098
 637         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 638         * configure: Regenerate.
 639
 640 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 641
 642         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 643
 644 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 645
 646         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 647         .hidden.
 648         (.note.GNU-stack): Only use if __linux__.
 649         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 650         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 651         * testsuite/libitm.c/reentrant.c: Likewise.
 652         * testsuite/libitm.c/simple-2.c: Likewise.
 653         * testsuite/libitm.c/txrelease.c: Likewise.
 654         * testsuite/libitm.c++/static_ctor.C: Likewise.
 655
 656 2011-11-10  Richard Henderson  <rth@redhat.com>
 657
 658         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 659         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 660         * configure.ac (ARCH_X86_AVX): New conditional.
 661         * Makefile.in, configure: Rebuild.
 662
 663 2011-11-09  Richard Henderson  <rth@redhat.com>
 664
 665         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 666         * configure.ac: Use it.
 667         * config.h.in, configure: Rebuild.
 668         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 669
 670 2011-11-09  Richard Henderson  <rth@redhat.com>
 671
 672         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 673         * config/alpha/unaligned.h: Remove file.
 674         * config/generic/unaligned.h: Remove file.
 675         * config/x86/unaligned.h: Remove file.
 676         * config/generic/cachepage.h: Remove file.
 677         * config/posix/cachepage.cc: Remove file.
 678         * config/generic/cacheline.cc: Remove file.
 679         * config/x86/cacheline.cc: Remove file.
 680         * config/generic/cacheline.h (gtm_cacheline): Remove the
 681         store_mask, copy_mask, copy_mask_wb methods.
 682         * config/x86/cacheline.h: Likewise.
 683         * config/alpha/cacheline.h: Fall back to generic after setting size.
 684         * config/generic/tls.cc (gtm_mask_stack): Remove.
 685         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 686         (GTM_vpalignr_table): Remove.
 687         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 688         (GTM_pshift_table): Remove.
 689         * config/libitm_i.h: Don't include cachepage.h.
 690         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 691         * Makefile.in, testsuite/Makefile.in: Rebuild.
 692
 693 2011-11-09  Richard Henderson  <rth@redhat.com>
 694
 695         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 696         to emit branch prediction hint.
 697
 698         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 699         Protect .note.GNU-stack with __linux__.
 700
 701         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 702         * configure, aclocal.m4, config.h.in: Rebuild.
 703         * config/generic/asmcfi.h: New file.
 704         * config/x86/sjlj.S: Use it.
 705
 706 2011-11-08  Richard Henderson  <rth@redhat.com>
 707
 708         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 709
 710 2011-11-08  Richard Henderson  <rth@redhat.com>
 711
 712         * configure.tgt: Test correct directory for supported cpus.
 713
 714         * configure.ac: Exit if unsupported.
 715         * configure: Rebuild.
 716         * configure.tgt: Delete boilerplate from libgomp for unsupported
 717         targets.  Set UNSUPPORTED for unsupported targets.
 718
 719 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 720
 721         * configure.tgt: Handle i386 like i[456]86.
 722         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 723         take address.
 724         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 725         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 726
 727 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 728
 729         * method-wbetl.cc: Update copyright notice.
 730         * aatree.cc: Same.
 731         * util.cc: Same.
 732         * libitm.h: Same.
 733         * memset.cc: Same.
 734         * eh_cpp.cc: Same.
 735         * barrier.tpl: Same.
 736         * useraction.cc: Same.
 737         * stmlock.h: Same.
 738         * memcpy.cc: Same.
 739         * common.h: Same.
 740         * config/generic/tls.cc: Same.
 741         * config/generic/cacheline.h: Same.
 742         * config/generic/cachepage.h: Same.
 743         * config/generic/cacheline.cc: Same.
 744         * config/generic/unaligned.h: Same.
 745         * config/x86/cacheline.h: Same.
 746         * config/x86/cacheline.cc: Same.
 747         * config/x86/unaligned.h: Same.
 748         * config/alpha/cacheline.h: Same.
 749         * config/alpha/unaligned.h: Same.
 750         * config/alpha/sjlj.S: Same.
 751         * config/posix/cachepage.cc: Same.
 752         * config/linux/futex.h: Same.
 753         * config/linux/alpha/futex_bits.h: Same.
 754
 755 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 756
 757         * libitm.texi: No cover text and invariant sections.
 758
 759 2011-11-03  Richard Henderson  <rth@redhat.com>
 760
 761         * local_type_traits: New file.
 762         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 763
 764 2011-11-03  Richard Henderson  <rth@redhat.com>
 765
 766         * configure.ac: Don't test for gfortran.
 767         * configure: Rebuild.
 768
 769         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 770         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 771
 772 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 773
 774         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 775         * testsuite/libitm.c/memset-1.c: Same.
 776         * testsuite/libitm.c/c.exp: Same.
 777         * testsuite/lib/libitm-dg.exp: Same.
 778         * testsuite/lib/libitm.exp: Same.
 779         * testsuite/libitm.c++/c++.exp: Same.
 780
 781 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 782
 783         * testsuite/config/default.exp: Update copyright date.
 784         * configure.ac: Add copyright info.
 785         * configure.tgt: Same.
 786
 787 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 788
 789         * testsuite/libitm.c/reentrant.c: XFAIL.
 790         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 791
 792 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 793
 794         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 795         handle aborts.
 796         (_ITM_abortTransaction): Handle aborts of outer transactions.
 797         * libitm_i.h: Same.
 798         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 799         * libitm.texi: Document aborts of outer transactions.
 800         * testsuite/libitm.c/cancel.c: New file.
 801
 802 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 803
 804         * testsuite/*: Change __transaction to __transaction_atomic or
 805         __transaction_relaxed.
 806
 807 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 808
 809         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 810         (gtm_thr): Same.
 811
 812 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 813
 814         * libitm_i.h: Add gl_wt dispatch.
 815         * retry.cc (parse_default_method): Same.
 816         * method-gl.cc: New file.
 817         * Makefile.am: Use method-gl.cc.
 818         * Makefile.in: Rebuild.
 819
 820 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 821
 822         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 823         safety if requested by a TM method.
 824         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 825         privatization safety.
 826         * method-serial.cc: Same.
 827
 828 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 829
 830         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 831         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 832         undolog-related member functions from *_local to *_undolog.
 833         * local.cc (gtm_thread::commit_undolog): Same.
 834         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 835         (GTM::gtm_thread::rollback): Roll back undolog before
 836         dispatch-specific rollback.
 837
 838 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 839
 840         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 841         re-initialization of the current method group.
 842         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 843
 844 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 845
 846         * alloc.cc (commit_allocations_2): Do not free transaction-local
 847         memory when committing a nested transaction.
 848
 849 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 850
 851         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 852         serial-irrevocable dispatch, not serial.
 853
 854 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 855
 856         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 857         declarations.
 858         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 859         * method-serial.cc: Implement begin_or_restart().
 860         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 861         dispatch-specific begin_or_restart().
 862         (GTM::gtm_thread::restart): Same.
 863
 864 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 865
 866         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 867         restarting without switching to serial mode.
 868         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 869         transaction state. Choose closed-nesting alternative if available.
 870         (GTM::gtm_thread::set_default_dispatch): New.
 871         (parse_default_method): New.
 872         (GTM::gtm_thread::number_of_threads_changed): New.
 873         * method-serial.cc (GTM::serial_mg): New method group class.
 874         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 875         fini.
 876         (GTM::serial_dispatch): Same.
 877         (GTM::serialirr_onwrite_dispatch): Same.
 878         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 879         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 880         registered threads.
 881         (GTM::gtm_thread::gtm_thread): Same.
 882         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 883         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 884         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 885         choose dispatch but set state according to dispatch here.
 886         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 887         (GTM::method_group): New class.
 888         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 889         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 890         * libitm.texi: Document TM methods, method groups, method life cycle.
 891         Rename method sets to method groups.
 892
 893 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 894
 895         * config/x86/tls.h: Moved to ...
 896         * config/linux/x86/tls.h: ... here.
 897
 898 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 899
 900         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 901         Add X32 support.
 902         * config/x86/sjlj.S: Same.
 903
 904 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 905
 906         * config/linux/rwlock.h: New file.
 907         * config/linux/rwlock.c: New file.
 908         * configure.ac: Reenable futex support (undo SVN rev 157758).
 909         * Makefile.am: Same.
 910         * configure.tgt: Same.
 911         * config/linux/alpha/futex_bits.h: Same.
 912         * config/linux/futex.h: Same. Return number of woken processes.
 913         * config/linux/futex.cc: Same.
 914         (futex_wait): Remove spinning.
 915         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 916         Use __x86_64__ instead of __LP64__.
 917         * aclocal.m4: Include generic futex checks.
 918         * configure: Rebuild.
 919         * Makefile.in: Rebuild.
 920         * testsuite/Makefile.in: Rebuild.
 921         * beginend.cc: Include pthread.h.
 922         * config/posix/cachepage.cc: Same.
 923
 924 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 925
 926         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 927         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 928         (set_gtm_thr): New.
 929         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 930         (set_gtm_thr): New.
 931         (GTM::gtm_thread::thread_num): Removed.
 932         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 933         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 934         tx-to-thread renaming.
 935         * beginend.cc: Adapted to tx-to-thread renaming.
 936         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 937         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 938         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 939         gtm_transaction to gtm_thread.
 940         (_ITM_getThreadnum): Removed. Not supported anymore.
 941         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 942         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 943         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 944         gtm_tx-to-gtm_thr renaming if necessary.
 945         * eh_cpp.cc: Same.
 946         * local.cc: Same.
 947         * retry.cc: Same.
 948         * clone.cc: Same.
 949         * alloc.cc: Same.
 950         * alloc_c.cc: Same.
 951         * alloc_cpp.cc: Same.
 952         * method-serial.cc: Same.
 953         * config/generic/tls.cc: Same.
 954         * config/posix/rwlock.h (gtm_rwlock): Same.
 955         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 956
 957 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 958
 959         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 960         implementation.
 961         (gtm_rwlock::read_unlock): Same.
 962         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 963         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 964         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 965         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 966         w_upgrade. Replaced by per-transaction flags (in shared_state).
 967         Added c_confirmed_writers.
 968         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 969         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 970         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 971         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 972         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 973         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 974         * libitm.texi: Document locking conventions and implementations in
 975         libitm.
 976
 977 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 978
 979         * libitm_i.h (next_tx): Add list of all threads' transaction.
 980         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 981         transaction with list of transactions and ...
 982         (thread_exit_handler): ... deregister here.
 983         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 984         * config/x86/target.h: Same.
 985
 986 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 987
 988         * testsuite/libitm.c++/static_ctor.C: New file.
 989
 990 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 991
 992         * testsuite/libitm.c/reentrant.c: New file.
 993
 994 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 995
 996         * config/generic/tls.h: Remove the free list for transactions and ...
 997         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 998         (GTM::gtm_transaction::operator delete): ... and release here.
 999         (thread_exit_handler): New. Delete tx when thread terminates.
1000         (thread_exit_init): New.
1001         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1002         * testsuite/libitm.c/txrelease.c: New file.
1003
1004 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1005
1006         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1007         * testsuite/libitm.c/notx.c: New file.
1008
1009 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1010
1011         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1012         * libitm_i.h (local_tid): ... to here.
1013         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1014         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1015
1016 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1017
1018         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1019         serialirr_onwrite_dispatch as new default for now.
1020         * method-serial.cc (serialirr_onwrite_dispatch): New.
1021         (GTM::dispatch_serialirr_onwrite): New.
1022         * libitm_i.h: Same.
1023
1024 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1025
1026         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1027         * query.cc (_ITM_getTransactionId): There is no active transaction if
1028         the current nesting level is zero.
1029
1030 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1031
1032         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1033         rollback.
1034
1035 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1036
1037         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1038         transaction properties from the caller instead of from the
1039         transaction object.
1040         * libitm_i.h: Same.
1041         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1042
1043 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1044
1045         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1046         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1047         * dispatch.h: Same.
1048         * method-serial.cc: Same.
1049         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1050         flat nesting as default, and closed nesting on demand.
1051         (GTM::gtm_transaction::rollback): Same.
1052         (_ITM_abortTransaction): Same.
1053         (GTM::gtm_transaction::restart): Same.
1054         (GTM::gtm_transaction::trycommit): Same.
1055         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1056         (choose_code_path): New.
1057         (GTM::gtm_transaction_cp::save): New.
1058         (GTM::gtm_transaction_cp::commit): New.
1059         * query.cc (_ITM_inTransaction): Support flat nesting.
1060         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1061         (GTM::gtm_transaction): Support flat and closed nesting.
1062         * alloc.cc (commit_allocations_2): New.
1063         (commit_cb_data): New helper struct.
1064         (GTM::gtm_transaction::commit_allocations): Handle nested
1065         commits/rollbacks.
1066         * libitm.texi: Update user action section, add description of nesting.
1067
1068 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1069
1070         * libitm_i.h: Add closed nesting as restart reason.
1071         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1072
1073 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1074
1075         * useraction.cc: Use vector instead of list to store actions.
1076         Also support partial rollbacks for closed nesting.
1077         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1078         * beginend.cc: Same.
1079
1080 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1081
1082         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1083         closed_nesting flags, as well as a closed nesting alternative.
1084         * method-serial.cc: Same.
1085         (serial_dispatch): Renamed to serialirr_dispatch.
1086         (GTM::dispatch_serialirr): Same.
1087         (serial_dispatch_ul): Renamed to serial_dispatch.
1088         (GTM::dispatch_serial): Same.
1089
1090 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1091
1092         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1093
1094 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1095
1096         * aatree.h (aa_tree::remove): New.
1097         (aa_tree::operator new): Add placement new.
1098
1099 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1100
1101         * containers.h: New file.
1102         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1103         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1104         * common.h: ... to here.
1105         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1106         * local.cc: Same.
1107
1108 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1109
1110         * libitm_i.h (STATE_ABORTING): Remove.
1111         * beginend.cc (_ITM_abortTransaction): Same.
1112         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1113         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1114         (_ITM_rollbackTransaction): Remove.
1115         * beginend.cc: Same.
1116         * libitm.map: Same.
1117         * libitm.texi: Document these ABI changes.
1118
1119 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1120
1121         * libitm.texi: New file.
1122         * Makefile.am: Add libitm.texi.
1123         * Makefile.in: Rebuild.
1124
1125 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1126
1127         * libitm_i.h: Move parts to common.h and dispatch.h.
1128         * common.h: New file.
1129         * dispatch.h: New file, new dispatch class.
1130         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1131         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1132         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1133         decision to retry.cc.
1134         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1135         only.
1136         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1137         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1138         logging.
1139         * barrier.cc: Use new barriers definitions.
1140         (abi_dispatch::memmove_overlap_check): New.
1141         * config/x86/x86_sse.cc: Same.
1142         * config/x86/x86_avx.cc: Same.
1143         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1144         memcpy.cc.
1145         * Makefile.in: Rebuild.
1146         * method-readonly.cc: Remove.
1147         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1148         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1149
1150 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1151
1152         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1153         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1154         * testsuite/libitm.c/dropref-2.c: Same.
1155         * testsuite/libitm.c/dropref.c: Same.
1156
1157 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1158
1159         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1160         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1161         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1162         * alloc_c.cc: Same.
1163         * barrier.tpl: Same.
1164         * beginend.c: Same.
1165         * config/generic/tls.h: Same.
1166         * config/x86/tls.h: Same.
1167         * libitm_i.h: Same.
1168         * memcpy.cc: Same.
1169         * memset.cc: Same.
1170         * method-readonly.cc: Same.
1171         * method-serial.cc: Same.
1172         * method-wbetl.cc: Same.
1173         * retry.cc: Same.
1174
1175 2011-03-03  Richard Henderson  <rth@redhat.com>
1176
1177         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1178         From Patrik Marlier <patrick.marlier@unine.ch>.
1179
1180 2011-02-03  Richard Henderson  <rth@redhat.com>
1181
1182         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1183         * configure.ac: Use it.
1184         * configure, config.h.in: Rebuild.
1185         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1186         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1187         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1188         * libitm.map: Use wildcards to match size_t mangling.
1189
1190 2010-12-14  Richard Henderson  <rth@redhat.com>
1191
1192         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1193         blocks of TIDs per thread.
1194         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1195         (setup_gtm_thr): Return the thread structure.
1196         * config/x86/tls.h (setup_gtm_thr): Likewise.
1197
1198 2010-12-14  Richard Henderson  <rth@redhat.com>
1199
1200         * clone.cc (table_lock): Remove.
1201         (find_clone): Don't take it.
1202         (ExcludeTransaction): New helper class.
1203         (_ITM_registerTMCloneTable): Use it.
1204         (_ITM_deregisterTMCloneTable): Likewise.
1205
1206 2010-12-14  Richard Henderson  <rth@redhat.com>
1207
1208         * config/x86/tls.h: New file.
1209
1210 2010-07-15  Richard Henderson  <rth@redhat.com>
1211
1212         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1213         * Makefile.in: Rebuild.
1214
1215 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1216
1217         * method-wbetl.cc (trydropreference): Fix source line.
1218
1219 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1220
1221         * libitm.h: Add comment.
1222         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1223
1224 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1225
1226         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1227         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1228         available, use pthread mutexes.
1229         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1230         * config.h.in: Regenerate.
1231         * configure: Regenerate.
1232
1233 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1234
1235         * libitm.h (ITM_PURE): Define.
1236         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1237
1238 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1239
1240         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1241         (validate): Add comment.
1242         (trydropreference): New.
1243         * method-readonly.cc (class readonly_dispatch): Add
1244         trydropreference.
1245         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1246         Call trydropreference().
1247         * libitm.h (_ITM_dropReferences): Remove const attribute.
1248         * method-serial.cc (class serial_dispatch): Add trydropreference.
1249         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1250
1251 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1252
1253         * memcpy.cc (do_memcpy): Comment.
1254
1255 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1256
1257         * barrier.tpl: Add comments throughout.
1258
1259 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1260
1261         * method-wbetl.cc (struct w_entry): Add comments.
1262         (trycommit): Same.
1263         (rollback): Same.
1264
1265 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1266
1267         * alloc_c.cc (_ITM_dropReferences): New.
1268         * libitm.map (_ITM_dropReferences): Add.
1269         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1270         * libitm_i.h (struct gtm_transaction): Declare
1271         drop_references_allocations and drop_references_local.
1272         * local.cc (rollback_local): Ignore memory when applicable.
1273         (drop_references_local): New.
1274
1275 2010-06-23  Richard Henderson  <rth@redhat.com>
1276
1277         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1278         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1279         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1280         * config/alpha/target.h: Likewise.
1281         * config/generic/tls.cc (gtm_mask_stack): Use it.
1282
1283 2010-06-23  Richard Henderson  <rth@redhat.com>
1284
1285         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1286         a mutex instead of trying a lock-free compare-and-swap on the list.
1287         (gtm_cacheline_page::operator delete): Likewise.
1288
1289 2010-06-16  Richard Henderson  <rth@redhat.com>
1290
1291         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1292         that overlap the libitm stack.
1293         * barrier.tpl: Mark incoming stack.
1294         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1295         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1296         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1297         * memcpy.cc, memset.cc: Likewise.
1298         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1299         * config/generic/tls.h (gtm_thread): Add stack_top member.
1300         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1301         * libitm_i.h (gtm_mask_stack): Declare.
1302         * config/generic/tls.cc: New file.
1303         * Makefile.am (libitm_la_SOURCES): Add it.
1304         (AM_CXXFLAGS): Turn off exceptions.
1305         * Makefile.in: Rebuild.
1306
1307 2010-06-16  Richard Henderson  <rth@redhat.com>
1308
1309         * alloc.cc (struct gtm_alloc_action): Move definition ...
1310         * libitm_i.h: ... here.
1311         (class gtm_transaction): Declare new and delete.
1312         * beginend.cc (alloc_tx): Reformulate as operator new.
1313         (free_tx): Reformulate as operator delete.
1314         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1315
1316 2010-06-11  Richard Henderson  <rth@redhat.com>
1317
1318         * clone.cc (clone_entry_compare): Fix typo.
1319         From Patrik Marlier <patrick.marlier@unine.ch>.
1320
1321 2010-05-13  Richard Henderson  <rth@redhat.com>
1322
1323         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1324         in extern "C".
1325
1326 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1327
1328         * libitm_i.h (struct gtm_transaction): Remove
1329         get_allocation_size.
1330         (record_allocation): Remove size parameter.
1331         * libitm.map (_ITM_realloc): Remove.
1332         * alloc_c.cc (_ITM_realloc): Remove.
1333         (_ITM_malloc): Remove size argument to record_allocation.
1334         (_ITM_calloc): Same.
1335         * alloc_cpp.cc (_ZGTtnwm): Same.
1336         (_ZGTtnwmRKSt9nothrow_t): Same.
1337         (_ZGTtnam): Same.
1338         (_ZGTtnamRKSt9nothrow_t): Same.
1339         * alloc.cc (struct gtm_alloc_action): Remove size.
1340         (get_allocation_size): Remove.
1341         (commit_allocations): Add comment.
1342         (record_allocation): Remove size parameter.
1343         (forget_allocation): Remove set of size.
1344
1345 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1346
1347         * Makefile.am (abi_version): New.
1348         (AM_CXXFLAGS): Pass abi_version.
1349         * Makefile.in: Regenerate.
1350         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1351
1352 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1355         _ITM_getTMCloneOrIrrevokable.
1356         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1357         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1358
1359 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1360
1361         * configure.ac: Remove Linux futex support.
1362         * configure.tgt (config_path): Same.
1363         * Makefile.am: Same.
1364         * config/linux: Remove entire directory.
1365         * configure: Rebuild.
1366         * Makefile.in: Rebuild.
1367         * testsuite/Makefile.in: Rebuild.
1368
1369 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1370
1371         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1372         switching to serial mode.
1373         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1374
1375 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1376
1377         * configure.tgt: Add emacs -*- tags.
1378         * barrier.tpl: Same.
1379
1380 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1381
1382         * Makefile.am: Rename serial.cc to method-serial.cc.
1383         * Makefile.in: Regenerate with automake 1.11.1.
1384         * testsuite/Makefile.in: Same.
1385         * aclocal.m4: Regenerate with aclocal 1.11.1.
1386         * method-serial.cc: Rename from serial.cc.
1387         * libitm_i.h (struct gtm_transaction): Update comment on
1388         serialirr_mode.
1389
1390 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1391
1392         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1393         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1394
1395 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1396
1397         * configure: Rebuild.
1398
1399 2009-11-12  Richard Henderson  <rth@redhat.com>
1400
1401         * Rewrite everything in C++.
1402
1403 2009-11-03  Richard Henderson  <rth@redhat.com>
1404
1405         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1406         * Makefile.am (libitm_la_SOURCES): Add them.
1407         * configure.ac (ARCH_X86): New conditional.
1408         * Makefile.in, configure: Rebuild.
1409         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1410         Move futex setup into "other system configury" case.
1411         * local.c (rollback_local): Merge into ...
1412         (GTM_rollback_local): ... here.
1413         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1414         (_ITM_LB): Define as an alias to GTM_LB.
1415
1416 2009-11-03  Richard Henderson  <rth@redhat.com>
1417
1418         * method-readonly.c: New file.
1419         * Makefile.am (libitm_la_SOURCES): Add it.
1420         * Makefile.in: Rebuild.
1421         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1422         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1423         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1424         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1425         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1426         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1427         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1428         gtm_get_clock, gtm_inc_clock): New.
1429         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1430         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1431         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1432         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1433         replace uses with new libitm_i.h symbols.
1434         (dispatch_wbetl): Rename from wbetl_dispatch.
1435         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1436         away from dispatch_readonly; abort if the beginTransaction call
1437         asserted that the transaction was readonly.
1438
1439 2009-11-03  Richard Henderson  <rth@redhat.com>
1440
1441         * memset.c: New file.
1442         * Makefile.am (libitm_la_SOURCES): Add it.
1443         * Makefile.in: Rebuild.
1444         * testsuite/libitm.c/memset-1.c: New.
1445
1446 2009-11-03  Richard Henderson  <rth@redhat.com>
1447
1448         * dispatch.c: Remove file.
1449         * useraction.c (struct gtm_user_action): Move from libitm.h.
1450         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1451         (serial_memset, serial_memmove, serial_memcpy): Remove.
1452         (serial_W*, serial_R*): Remove.
1453         (serial_dispatch): Update to match.
1454         * configure.ac: Move Werror down below configure checks.  Don't
1455         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1456         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1457         Use GCC_AC_FUNC_MMAP_BLACKLIST
1458         * libitm.h: Split out all internal items to...
1459         * libitm_i.h: ... here.  New file.
1460         * copymask.c: New file.
1461         * local.c (struct gtm_local_undo): Move from libitm.h.
1462         (GTM_alloc_local): Rename from alloc_local; export.
1463         * memcpy.c: New file.
1464         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1465         * config/posix/page.c: New file.
1466         * config/posix/target_tls.h: Remove file.
1467         * barrier.c: New file.
1468         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1469         copymask.c, page.c.
1470         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1471         * method-wbetl.c: Rewrite for new cacheline methods.
1472         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1473
1474         * config/alpha/sjlj.S: Fix typo.
1475         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1476         * config/alpha/copymask.c: New file.
1477         * config/alpha/target.h (CACHELINE_SIZE): New.
1478         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1479
1480         * config/x86/target_i.h: Copy functions from x86/target.h.
1481         * config/x86/copymask.c: New file.
1482         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1483         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1484         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1485         * config/x86/target_tls.h: Move contents to target_i.h.
1486
1487         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1488         * testsuite/libitm.c/memcpy-1.c: New.
1489
1490 2009-10-22  Richard Henderson  <rth@redhat.com>
1491
1492         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1493         (AM_CCASFLAGS): New.
1494         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1495         saving/restoring _AC_ARG_VAR_PRECIOUS.
1496         * Makefile.in, aclocal.m4, config.h.in, configure,
1497         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1498
1499 2009-10-22  Richard Henderson  <rth@redhat.com>
1500
1501         * testsuite/*: Update for new compiler syntax.
1502
1503 2009-10-21  Richard Henderson  <rth@redhat.com>
1504
1505         * libitm.h (_ITM_abortReason): Add outerAbort.
1506
1507 2009-08-03  Richard Henderson  <rth@redhat.com>
1508
1509         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1510         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1511         * method-wbetl.c (struct w_entry): Remove mask.
1512         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1513         adjust all callers.
1514
1515 2009-07-22  Richard Henderson  <rth@redhat.com>
1516
1517         * eh_cpp.c: New file.
1518         * Makefile.am (libitm_la_SOURCES): Add it.
1519         * Makefile.in: Rebuild.
1520         * beginend.c (GTM_rollback_transaction): Undo exception state.
1521         (GTM_trycommit_transaction): Mark inline.
1522         (GTM_trycommit_and_finalize_transaction): Split out from ...
1523         (_ITM_commitTransaction): ... here.
1524         (_ITM_commitTransactionEH): New function.
1525         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1526         cxa_unthrown, eh_in_flight; reorder.
1527
1528         * testsuite/libitm.c++/c++.exp: New.
1529         * testsuite/libitm.c++/eh-1.C: New.
1530
1531         * aatree.c (aa_free): Remove REGPARM.
1532         * aatree.h: Remove all REGPARM.
1533
1534 2009-07-18  Richard Henderson  <rth@redhat.com>
1535
1536         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1537         * Makefile.am (libitm_la_SOURCES): Add them.
1538         * Makefile.in: Rebuild.
1539         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1540         (GTM_trycommit_transaction): Likewise.
1541         * libitm.h: Include aatree.h
1542         (struct gtm_alloc_action): New.
1543         (struct gtm_transaction): Add alloc_actions.
1544         (GTM_record_allocation, GTM_forget_allocation): Declare.
1545         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1546         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1547         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1548         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1549         _ZGTtdaPvRKSt9nothrow_t): Export.
1550
1551 2009-07-18  Richard Henderson  <rth@redhat.com>
1552
1553         * target_tls.h: Move ...
1554         * config/posix/target_tls.h: ... here.
1555
1556 2009-07-07  Richard Henderson  <rth@redhat.com>
1557
1558         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1559
1560 2009-07-07  Richard Henderson  <rth@redhat.com>
1561
1562         * Update to GPL3.
1563
1564 2009-07-07  Richard Henderson  <rth@redhat.com>
1565
1566         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1567         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1568
1569         * configure.tgt: Don't use -ftls-model for x86 linux.
1570         * libitm.h: Include target.h after standard includes.
1571         (_gtm_thr): Rename from gtm_thr.
1572         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1573         (gtm_disp, set_gtm_disp): New.
1574         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1575         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1576         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1577
1578 2009-07-07  Richard Henderson  <rth@redhat.com>
1579
1580         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1581
1582 2009-07-06  Richard Henderson  <rth@redhat.com>
1583
1584         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1585         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1586         (_ITM_beginTransaction): Take variadic arguments.
1587         (_ITM_registerThrownObject): Declare.
1588         * beginend.c, serial.c: Update.
1589         * libitm.map: Add _ITM_registerThrownObject.
1590
1591 2009-01-28  Richard Henderson  <rth@redhat.com>
1592
1593         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1594         * Makefile.in: Rebuild.
1595         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1596         (GTM_restart_transaction): Fix uninstrumented code check.
1597         * retry.c (GTM_decide_retry_strategy): Add serial check.
1598         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1599         automatically go irrevokable when in serial mode.
1600         * clone.c: New file.
1601         * libitm.h, libitm.map: Update.
1602
1603 2009-01-27  Richard Henderson  <rth@redhat.com>
1604
1605         * Makefile.am (LTCCASCOMPILE): Define.
1606         (libitm_la_SOURCES): Add methid-wbetl.c.
1607         * testsuite/Makefile.am: New
1608         * configure.ac: Add testsuite/Makefile.
1609         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1610         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1611         (_ITM_abortTransaction): Finalize implementation method; pass
1612         transaction properties to longjmp.
1613         (GTM_restart_transaction): Split out from ...
1614         (_ITM_commitTransaction): ... here.
1615         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1616         Move to config/x86/target.h.
1617         * config/linux/alpha/futex_bits.h: New.
1618         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1619         * config/x86/target.h: Disable target types for 32-bit.
1620         * config/alpha/sjlj.S, config/alpha/target.h: New.
1621         * libitm.h (struct gtm_dispatch): Add init, fini.
1622         (enum restart_reason): New.
1623         (struct gtm_transaction): Add method and restarts.
1624         * retry.c (GTM_decide_retry_strategy): Implement.
1625         * serial.c (serial_init, serial_fini): New.
1626         (GTM_serialmode): Finialize outgoing method.
1627         * method-wbetl.c: New.
1628
1629 2008-12-09  Richard Henderson  <rth@redhat.com>
1630
1631         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1632         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1633         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1634         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1635         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1636         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1637         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1638         * serial.c (serial_R##T, serial_W##T): Likewise.
1639
1640 2008-11-21  Richard Henderson  <rth@redhat.com>
1641
1642         * Initial commit.