libitm/ChangeLog

   1 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
   2             Joseph Myers  <joseph@codesourcery.com>
   3             Mark Shinwell  <shinwell@codesourcery.com>
   4             Andrew Stubbs  <ams@codesourcery.com>
   5             Rich Felker <dalias@libc.org>
   6
   7         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
   8         GTM_begin_transaction for compatibility with FDPIC.
   9
  10 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
  11
  12         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
  13         using load_gcc_lib.
  14
  15 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
  16
  17         PR libitm/61164
  18         * local_atomic (__always_inline): Rename to...
  19         (__libitm_always_inline): ... this.
  20
  21 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
  22
  23         PR target/52482
  24         * config/powerpc/sjlj.S: Port to Xcode 2.5.
  25
  26 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  27
  28         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
  29         operands "op" and "val" to int.
  30
  31 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  32
  33         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
  34         "op" and "val" to int.
  35
  36 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  37
  38         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
  39         "op" and "val" to int.
  40
  41 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  42
  43         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
  44         Declare as static int.
  45         (FUTEX_PRIVATE_FLAG): Remove L suffix.
  46         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
  47
  48 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  49
  50         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
  51         sys_futex0 function.
  52
  53 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
  54
  55         * Makefile.in: Regenerated with automake-1.11.6.
  56         * aclocal.m4: Likewise.
  57         * configure: Likewise.
  58         * testsuite/Makefile.in: Likewise.
  59
  60 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
  61
  62         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
  63         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
  64
  65 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  66
  67         PR libitm/64360
  68         * libitm.c/stackundo.c (test2): Make it static.
  69         (test1): Likewise.
  70
  71 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  72
  73         Update copyright years.
  74
  75 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  76
  77         * libitm.texi: Bump @copying's copyright year.
  78
  79 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  80
  81         * testsuite/lib/libitm.exp: Load target-utils.exp.
  82         Move load of target-supports.exp earlier.
  83
  84 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  85
  86         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  87
  88 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  89
  90         PR bootstrap/63784
  91         * configure: Regenerated.
  92
  93 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  94
  95         PR target/63610
  96         * configure: Regenerate.
  97
  98 2014-10-06  Marek Polacek  <polacek@redhat.com>
  99
 100         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 101         * testsuite/libitm.c/memset-1.c: Likewise.
 102
 103 2014-07-24  Richard Henderson  <rth@redhat.com>
 104
 105         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 106         addressing mode in epilogue.
 107
 108 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 109
 110         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 111         -mclear-hwcap instead.
 112         * configure: Regenerate.
 113         * clearcap.map: Remove.
 114
 115 2014-05-21  John Marino  <gnugcc@marino.st>
 116
 117         * configure.tgt (*-*-dragonfly*): New target.
 118
 119 2014-05-19  Richard Henderson  <rth@redhat.com>
 120
 121         * config/aarch64/sjlj.S: New file.
 122         * config/aarch64/target.h: New file.
 123         * configure.tgt: Enable aarch64.
 124
 125 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 126
 127         * config/generic/asmcfi.h: Also check for
 128         __GCC_HAVE_DWARF2_CFI_ASM.
 129
 130 2013-04-02  Richard Henderson  <rth@redhat.com>
 131
 132         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 133         * config/arm/target.h, config/sh/target.h: Likewise.
 134         * config/sparc/target.h, config/x86/target.h: Likewise.
 135
 136 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 137
 138         * config/linux/futex_bits.h: Include errno.h.
 139         (sys_futex0): If syscall returns -1, return -errno rather than
 140         -1.
 141
 142 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 143
 144         * libitm.texi (Index): Rename to Library Index.
 145
 146 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 147
 148         PR libitm/53113
 149         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 150         (x86_avx.lo): Append -mavx to CXXFLAGS.
 151         * Makefile.in: Regenerate.
 152
 153 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 154
 155         Update copyright years
 156
 157 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 158
 159         * libitm.texi: Bump @copying's copyright year.
 160
 161 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 162
 163         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 164         (FUNC): Define ELFv2 variant.
 165         (END): Likewise.
 166         (HIDDEN): Likewise.
 167         (CALL): Likewise.
 168         (BASE): Likewise.
 169         (LR_SAVE): Likewise.
 170
 171 2013-09-20  Alan Modra  <amodra@gmail.com>
 172
 173         * configure: Regenerate.
 174
 175 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 176
 177         * config/posix/rwlock.cc: Fix initialization order.
 178
 179 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 180
 181         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 182         (htm_fastpath): Assign an asm name.
 183         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 184         HTM fast paths.
 185         (_ITM_actions): Likewise.
 186         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 187         x86_64.
 188         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 189         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 190         field to the start of the structure.
 191         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 192         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 193         handling for custom HTM fast paths.
 194
 195 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 196         Revert:
 197         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 198
 199         * configure.tgt: Add -msoft-float to XCFLAGS.
 200
 201 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 202
 203         * configure.tgt: Add -msoft-float to XCFLAGS.
 204
 205 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 206
 207         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 208         (htm_transaction_active): Enable zEC12 instructions in the
 209         assembler.
 210         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 211
 212 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 213
 214         * acinclude.m4: Add htm asm check for s390.
 215         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 216         * configure: Regenerate.
 217         * config/s390/target.h: Remove __HTM__ check.
 218         (htm_available): Call getauxval to get hwcaps and check whether
 219         HTM is available or not.
 220
 221 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 222
 223         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 224         * configure.ac: Use it.
 225         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 226         (AC_CHECK_FUNCS): Check for getauxval.
 227         * config.h.in, configure: Rebuild.
 228         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 229         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 230         (USE_HTM_FASTPATH): Define.
 231         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 232         _HTM_RETRIES) New macros.
 233         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 234         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 235
 236 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 237
 238         * config/s390/target.h: Include htmintrin.h.
 239         (_HTM_ITM_RETRIES): New macro definition.
 240         (htm_available, htm_init, htm_begin, htm_begin_success)
 241         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 242
 243 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 244             Cesar Philippidis  <cesar@codesourcery.com>
 245
 246         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 247         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 248         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 249         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 250
 251 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 252
 253         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 254         (_ITM_getTransactionId): Same.
 255         * config/x86/target.h (htm_transaction_active): New.
 256
 257 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 258
 259         PR libitm/57643
 260         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 261         the HTM fastpath.
 262
 263 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 264
 265         PR bootstrap/56714
 266         * local_atomic (__always_inline): Always define our version.
 267         (__calculate_memory_order): Mark inline.
 268         (atomic_thread_fence): Ditto.
 269         (atomic_signal_fence): Ditto.
 270         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 271         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 272         (atomic_bool::atomic_flag_test_and_set): Ditto.
 273         (atomic_bool::atomic_flag_clear): Ditto.
 274
 275 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 276
 277         * config/s390/sjlj.S: New file.
 278         * config/s390/target.h: New file.
 279         * configure.tgt: Set options for S/390.
 280
 281 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 282
 283         * local_atomic (__always_inline): Add.
 284         (__calculate_memory_order, atomic_thread_fence,
 285          atomic_signal_fence, test_and_set, clear, store, load,
 286          exchange, compare_exchange_weak, compare_exchange_strong,
 287          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 288         Add __always_inline to force inlining.
 289
 290 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 291             Jack Howarth  <howarth@bromo.med.uc.edu>
 292             Patrick Marlier  <patrick.marlier@gmail.com>
 293
 294         PR libitm/55693
 295         * alloc_cpp.cc: Enable function declarations on darwin.
 296         * eh_cpp.cc: Likewise.
 297
 298 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 299
 300         Update copyright years.
 301
 302 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 303
 304         * beginend.cc (htm_fastpath): New.
 305         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 306         _ITM_commitTransactionEH): Add HTM fastpath handling.
 307         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 308         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 309         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 310         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 311         * configure.tgt: Add -mrtm to XCFLAGS.
 312         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 313         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 314         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 315         * retry.cc (parse_default_method): Add HTM method parsing.
 316         (gtm_thread::number_of_threads_changed): Use HTM by default if
 317         available.
 318
 319 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 320
 321         * configure: Regenerate.
 322
 323 2012-10-31  Richard Henderson  <rth@redhat.com>
 324
 325         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 326         * configure.ac: Use it.
 327         * config.h.in, configure: Rebuild.
 328         * testsuite/Makefile.in: Rebuild.
 329
 330 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 331
 332         * libitm.texi: Clarify ABI requirements for data-logging functions.
 333
 334 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 335
 336         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 337         it requires serial mode instead of assuming that for certain
 338         dispatchs.
 339         * dispatch.h (abi_dispatch::requires_serial): New.
 340         (abi_dispatch::abi_dispatch): Adapt.
 341         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 342         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 343         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 344         serial_dispatch::serial_dispatch,
 345         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 346
 347 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 348
 349         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 350         and ia32 declarations some more.
 351         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 352
 353 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 354
 355         PR other/43620
 356         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 357         * configure: Regenerate.
 358         * Makefile.in: Regenerate.
 359
 360 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 361
 362         * configure: Regenerated.
 363
 364 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 365
 366         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 367
 368 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 369
 370         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 371
 372 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 373
 374         * configure: Regenerated.
 375
 376 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 377
 378         PR libitm/52854
 379         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 380         for x86-64.
 381
 382 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 383
 384         * configure: Regenerate.
 385
 386 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 387
 388         PR bootstrap/52812
 389         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 390
 391 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 392
 393         * testsuite/lib/libitm.exp: load fortran-modules.exp
 394
 395 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 396
 397         * configure.tgt (*-*-irix6*): Remove.
 398
 399 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 400
 401         PR libitm/52526
 402         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 403         wake-up.
 404
 405 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 406
 407         * configure.tgt (*-*-osf*): Remove.
 408         * configure: Regenerate.
 409
 410 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 411
 412         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 413         memtransfer/memset if size isn't larger than zero.
 414
 415 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 416
 417         * libitm.texi: Link to specification and add a usage example.
 418
 419 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 420
 421         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 422         default dispatch for more than 1 thread to ml_wt.
 423
 424 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 425
 426         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 427
 428 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 429
 430         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 431
 432 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 433
 434         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 435         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 436         (gl_wt_dispatch.rollback): Same.
 437
 438 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 439
 440         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 441
 442 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 443
 444         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 445         for RfW src.  Optimize number of calls to gtm_thr.
 446
 447 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 448
 449         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 450         acquisition to ...
 451         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 452         (default_dispatch): Make atomic.
 453         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 454         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 455         use decide_begin_dispatch() if default_dispatch might have changed.
 456         (GTM::gtm_thread::number_of_threads_changed): Initialize
 457         default_dispatch here.
 458
 459 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 460             Patrick Marlier  <patrick.marlier@gmail.com>
 461
 462         PR libitm/52220
 463         * alloc_cpp.cc: No dummy definitions for darwin.
 464         * eh_cpp.cc: Likewise.
 465
 466 2012-02-14  Richard Henderson  <rth@redhat.com>
 467
 468         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 469
 470 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 471
 472         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 473
 474 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 475
 476         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 477         (GTM::gtm_thread): Add read and write logs.
 478         (GTM::dispatch_ml_wt): Declare.
 479         * retry.cc (parse_default_method): Support ml_wt.
 480         * method-ml.cc: New file.
 481         * Makefile.am: Add method-ml.cc.
 482         * Makefile.in: Regenerate.
 483
 484 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 485
 486         * dispatch.h (GTM::abi_dispatch::supports): New.
 487         (GTM::method_group::reinit): New.
 488         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 489         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 490         supports the current situation.
 491
 492 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 493
 494         * util.cc (GTM::xcalloc): New.
 495         * common.h (GTM::xcalloc): Declare.
 496
 497 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 498
 499         * config/sparc/target.h (cpu_relax): Read from CC register.
 500         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 501
 502 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 503
 504         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 505
 506 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 507
 508         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 509         * config/sparc/cacheline.h: New file.
 510         * config/sparc/target.h: Likewise.
 511         * config/sparc/sjlj.S: Likewise.
 512         * config/linux/sparc/futex_bits.h: Likewise.
 513
 514 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 515
 516         * configure.ac (link_itm): Fix comment.
 517         * configure: Regenerate.
 518         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 519
 520 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 521
 522         PR libitm/51822
 523         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 524         Correct libgomp references.
 525
 526 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 527
 528         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 529         wake-up.
 530
 531 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 532
 533         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 534         end of structure.
 535         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 536         offset values.  Do not copy return address.  Decrement stack
 537         by 56 bytes only.
 538         (GTM_longjump) [__x86_64__]: Update offset values.
 539
 540 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 541
 542         PR libitm/51830
 543         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 544         the first function argument to %eax.
 545
 546 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 547
 548         * libitm.h (_ITM_getThreadnum): Remove.
 549         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 550
 551 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 552
 553         * clearcap.map: New file.
 554         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 555         * configure.ac: Call it.
 556         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 557         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 558         * configure: Regenerate.
 559         * Makefile.in: Regenerate.
 560         * testsuite/Makefile.in: Regenerate.
 561
 562 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 563
 564         PR libitm/51173
 565         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 566         include, exclude options.
 567
 568 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 569
 570         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 571         rolling back.
 572         * containers.h (GTM::vector::set_size): New.
 573
 574 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 575
 576         PR libitm/51855
 577         * config/generic/tls.h (GTM::mask_stack_top): New.
 578         (GTM::mask_stack_bottom): Declare.
 579         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 580         * local.cc (gtm_undolog::rollback): Filter out any updates that
 581         overlap the libitm stack.  Add current transaction as parameter.
 582         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 583         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 584         * testsuite/libitm.c/stackundo.c: New test.
 585
 586 2012-01-10  Richard Henderson  <rth@redhat.com>
 587
 588         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 589         * eh_cpp.cc (_Unwind_DeleteException): Define for
 590         !HAVE_ELF_STYLE_WEAKREF.
 591
 592 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 593
 594         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 595         (GTM::gtm_thread::drop_references_undolog): Remove.
 596         (GTM::gtm_thread::commit_undolog,
 597         GTM::gtm_thread::rollback_undolog): Move to ...
 598         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 599         (GTM::gtm_undolog_entry): Remove.
 600         (GTM::gtm_thread): Adapt.
 601         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 602         (GTM::gtm_thread::trycommit): Adapt.
 603         * method-serial.cc (serial_dispatch::log): Adapt.
 604         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 605         (gl_wt_dispatch::store): Fix likely/unlikely.
 606         * containers.h (GTM::vector::resize): Add additional_capacity
 607         parameter and handle it.
 608         (GTM::vector::resize_noinline): New/adapt.
 609         (GTM::vector::push): New.
 610
 611 2012-01-06  Richard Henderson  <rth@redhat.com>
 612
 613         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 614         * config/linux/powerpc/futex_bits.h: New file.
 615         * config/powerpc/cacheline.h: New file.
 616         * config/powerpc/sjlj.S: New file.
 617         * config/powerpc/target.h: New file.
 618         * config/generic/asmcfi.h (cfi_offset): New.
 619         (cfi_restore, cfi_undefined): New.
 620
 621 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 622
 623         PR other/51171
 624         * testsuite/libitm.c/reentrant.c: Remove xfail.
 625         (thread): Pass x to pure().
 626         From Patrik Marlier <patrick.marlier@gmail.com>.
 627
 628 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 629
 630         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 631         privatization safety if already in serial mode.
 632
 633 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 634
 635         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 636         finish_serial_upgrade parameter.
 637         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 638         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 639         Don't unset reader flag.
 640         (GTM::gtm_rwlock::write_upgrade_finish): New.
 641         * config/posix/rwlock.cc: Same.
 642         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 643         Declare.
 644         * config/posix/rwlock.h: Same.
 645         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 646         flag after commit or after rollback when restarting.
 647
 648 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 649
 650         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 651         (GTM::gtm_thread::try_commit): Changed memory order.
 652         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 653         as parameter.
 654         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 655         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 656         * config/linux/futex_bits.h (sys_futex0): Same.
 657         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 658         * config/linux/futex.h (futex_wait, futex_wake): Same.
 659         * config/linux/rwlock.h (gtm_rwlock::writers,
 660         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 661         ints.
 662         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 663         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 664         gtm_rwlock::write_unlock): Fix memory orders and fences.
 665         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 666         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 667         gtm_rwlock::write_unlock): Same.
 668         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 669         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 670         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 671         Add comments.
 672         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 673         gl_wt_dispatch::load, gl_wt_dispatch::store,
 674         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 675         orders and fences.  Add comments.
 676
 677 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 678
 679         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 680         * Makefile.in: Regenerated.
 681
 682 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 683
 684         * configure.tgt: Add sh* case.
 685         * config/sh/target.h: New file.
 686         * config/sh/sjlj.S: New file.
 687         * config/linux/sh/futex_bits.h: New file.
 688
 689 2011-12-14  Richard Henderson  <rth@redhat.com>
 690
 691         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 692         * config/arm/sjlj.S, config/arm/target.h: New files.
 693         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 694         (cfi_rel_offset): New.
 695         * config/linux/futex_bits.h: New file.
 696         * config/linux/futex.cc: Include futex_bits.h here...
 697         * config/linux/futex.h: ... not here.
 698         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 699         * configure.ac (ARCH_AM): New conditional.
 700         * Makefile.in, configure: Rebuild.
 701         * configure.tgt: Handle ARM.
 702
 703 2011-12-13  Richard Henderson  <rth@redhat.com>
 704
 705         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 706         signed/unsigned comparison werror.
 707
 708         * local_atomic: New file.
 709         * libitm_i.h: Include it.
 710         (gtm_thread::shared_state): Use atomic template.
 711         * beginend.cc (GTM::gtm_clock): Use atomic template.
 712         (global_tid): Use atomic template if 64-bit atomics available.
 713         (gtm_thread::gtm_thread): Update shared_state access.
 714         (gtm_thread::trycommit): Likewise.
 715         (choose_code_path): Update global_tid access.
 716         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 717         * stmlock.h (GTM::gtm_clock): Use atomic template.
 718         (gtm_get_clock, gtm_inc_clock): Update accesses.
 719         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 720         redundant __sync_synchronize after atomic shared_state access.
 721         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 722         (gtm_rwlock::write_lock_generic): Likewise.
 723         (gtm_rwlock::read_unlock): Likewise.
 724         * config/alpha/target.h (atomic_read_barrier): Remove.
 725         (atomic_write_barrier): Remove.
 726         * config/x86/target.h (atomic_read_barrier): Remove.
 727         (atomic_write_barrier): Remove.
 728
 729 2011-11-30  Richard Henderson  <rth@redhat.com>
 730
 731         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 732         * beginend.c (_ITM_abortTransaction): Update to match.
 733         (GTM::gtm_thread::restart): Likewise.
 734         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 735         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 736
 737 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 738
 739         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 740         * Makefile.in: Regenerate.
 741
 742 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 743
 744         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 745         * alloc_cpp.cc: Generate dummy functions if we don't
 746         HAVE_ELF_STYLE_WEAKREF.
 747         * eh_cpp.cc: Likewise.
 748         * configure: Regenerate.
 749         * aclocal.m4:  Likewise.
 750         * config.h.in: Likewise.
 751         * Makefile.in: Likewise.
 752         * testsuite/Makefile.in: Likewise.
 753
 754 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 755
 756         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 757         __USER_LABEL_PREFIX__ for targets that use it.
 758         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 759         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 760         in portability to non-elf targets.
 761         (GTM_longjmp): Likewise.
 762         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 763         where required.
 764
 765 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 766
 767         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 768         * testsuite/libitm.c/memset-1.c: Likewise.
 769
 770 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 771
 772         * configure: Regenerate.
 773
 774 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 775
 776         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 777         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 778         * Makefile.am: Handle sun style versioning.
 779         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 780         * configure: Regenerate.
 781         * Makefile.in: Regenerate.
 782
 783 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 784
 785         * config/generic/asmcfi.h: Fix comment.
 786         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 787         sequence without .hidden support, error for non-ELF targets.
 788         (GTM_longjmp) [__ELF__]: Only use .hidden if
 789         HAVE_ATTRIBUTE_VISIBILITY.
 790
 791 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 792
 793         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 794         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 795         Dummy functions.
 796         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 797         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 798
 799 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 800
 801         PR bootstrap/51098
 802         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 803         * configure: Regenerate.
 804
 805 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 808
 809 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 810
 811         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 812         .hidden.
 813         (.note.GNU-stack): Only use if __linux__.
 814         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 815         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 816         * testsuite/libitm.c/reentrant.c: Likewise.
 817         * testsuite/libitm.c/simple-2.c: Likewise.
 818         * testsuite/libitm.c/txrelease.c: Likewise.
 819         * testsuite/libitm.c++/static_ctor.C: Likewise.
 820
 821 2011-11-10  Richard Henderson  <rth@redhat.com>
 822
 823         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 824         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 825         * configure.ac (ARCH_X86_AVX): New conditional.
 826         * Makefile.in, configure: Rebuild.
 827
 828 2011-11-09  Richard Henderson  <rth@redhat.com>
 829
 830         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 831         * configure.ac: Use it.
 832         * config.h.in, configure: Rebuild.
 833         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 834
 835 2011-11-09  Richard Henderson  <rth@redhat.com>
 836
 837         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 838         * config/alpha/unaligned.h: Remove file.
 839         * config/generic/unaligned.h: Remove file.
 840         * config/x86/unaligned.h: Remove file.
 841         * config/generic/cachepage.h: Remove file.
 842         * config/posix/cachepage.cc: Remove file.
 843         * config/generic/cacheline.cc: Remove file.
 844         * config/x86/cacheline.cc: Remove file.
 845         * config/generic/cacheline.h (gtm_cacheline): Remove the
 846         store_mask, copy_mask, copy_mask_wb methods.
 847         * config/x86/cacheline.h: Likewise.
 848         * config/alpha/cacheline.h: Fall back to generic after setting size.
 849         * config/generic/tls.cc (gtm_mask_stack): Remove.
 850         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 851         (GTM_vpalignr_table): Remove.
 852         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 853         (GTM_pshift_table): Remove.
 854         * config/libitm_i.h: Don't include cachepage.h.
 855         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 856         * Makefile.in, testsuite/Makefile.in: Rebuild.
 857
 858 2011-11-09  Richard Henderson  <rth@redhat.com>
 859
 860         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 861         to emit branch prediction hint.
 862
 863         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 864         Protect .note.GNU-stack with __linux__.
 865
 866         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 867         * configure, aclocal.m4, config.h.in: Rebuild.
 868         * config/generic/asmcfi.h: New file.
 869         * config/x86/sjlj.S: Use it.
 870
 871 2011-11-08  Richard Henderson  <rth@redhat.com>
 872
 873         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 874
 875 2011-11-08  Richard Henderson  <rth@redhat.com>
 876
 877         * configure.tgt: Test correct directory for supported cpus.
 878
 879         * configure.ac: Exit if unsupported.
 880         * configure: Rebuild.
 881         * configure.tgt: Delete boilerplate from libgomp for unsupported
 882         targets.  Set UNSUPPORTED for unsupported targets.
 883
 884 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 885
 886         * configure.tgt: Handle i386 like i[456]86.
 887         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 888         take address.
 889         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 890         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 891
 892 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 893
 894         * method-wbetl.cc: Update copyright notice.
 895         * aatree.cc: Same.
 896         * util.cc: Same.
 897         * libitm.h: Same.
 898         * memset.cc: Same.
 899         * eh_cpp.cc: Same.
 900         * barrier.tpl: Same.
 901         * useraction.cc: Same.
 902         * stmlock.h: Same.
 903         * memcpy.cc: Same.
 904         * common.h: Same.
 905         * config/generic/tls.cc: Same.
 906         * config/generic/cacheline.h: Same.
 907         * config/generic/cachepage.h: Same.
 908         * config/generic/cacheline.cc: Same.
 909         * config/generic/unaligned.h: Same.
 910         * config/x86/cacheline.h: Same.
 911         * config/x86/cacheline.cc: Same.
 912         * config/x86/unaligned.h: Same.
 913         * config/alpha/cacheline.h: Same.
 914         * config/alpha/unaligned.h: Same.
 915         * config/alpha/sjlj.S: Same.
 916         * config/posix/cachepage.cc: Same.
 917         * config/linux/futex.h: Same.
 918         * config/linux/alpha/futex_bits.h: Same.
 919
 920 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 921
 922         * libitm.texi: No cover text and invariant sections.
 923
 924 2011-11-03  Richard Henderson  <rth@redhat.com>
 925
 926         * local_type_traits: New file.
 927         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 928
 929 2011-11-03  Richard Henderson  <rth@redhat.com>
 930
 931         * configure.ac: Don't test for gfortran.
 932         * configure: Rebuild.
 933
 934         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 935         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 936
 937 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 938
 939         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 940         * testsuite/libitm.c/memset-1.c: Same.
 941         * testsuite/libitm.c/c.exp: Same.
 942         * testsuite/lib/libitm-dg.exp: Same.
 943         * testsuite/lib/libitm.exp: Same.
 944         * testsuite/libitm.c++/c++.exp: Same.
 945
 946 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 947
 948         * testsuite/config/default.exp: Update copyright date.
 949         * configure.ac: Add copyright info.
 950         * configure.tgt: Same.
 951
 952 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 953
 954         * testsuite/libitm.c/reentrant.c: XFAIL.
 955         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 956
 957 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 958
 959         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 960         handle aborts.
 961         (_ITM_abortTransaction): Handle aborts of outer transactions.
 962         * libitm_i.h: Same.
 963         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 964         * libitm.texi: Document aborts of outer transactions.
 965         * testsuite/libitm.c/cancel.c: New file.
 966
 967 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 968
 969         * testsuite/*: Change __transaction to __transaction_atomic or
 970         __transaction_relaxed.
 971
 972 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 973
 974         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 975         (gtm_thr): Same.
 976
 977 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 978
 979         * libitm_i.h: Add gl_wt dispatch.
 980         * retry.cc (parse_default_method): Same.
 981         * method-gl.cc: New file.
 982         * Makefile.am: Use method-gl.cc.
 983         * Makefile.in: Rebuild.
 984
 985 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 986
 987         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 988         safety if requested by a TM method.
 989         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 990         privatization safety.
 991         * method-serial.cc: Same.
 992
 993 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 994
 995         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 996         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 997         undolog-related member functions from *_local to *_undolog.
 998         * local.cc (gtm_thread::commit_undolog): Same.
 999         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1000         (GTM::gtm_thread::rollback): Roll back undolog before
1001         dispatch-specific rollback.
1002
1003 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1004
1005         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1006         re-initialization of the current method group.
1007         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1008
1009 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1010
1011         * alloc.cc (commit_allocations_2): Do not free transaction-local
1012         memory when committing a nested transaction.
1013
1014 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1015
1016         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1017         serial-irrevocable dispatch, not serial.
1018
1019 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1020
1021         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1022         declarations.
1023         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1024         * method-serial.cc: Implement begin_or_restart().
1025         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1026         dispatch-specific begin_or_restart().
1027         (GTM::gtm_thread::restart): Same.
1028
1029 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1030
1031         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1032         restarting without switching to serial mode.
1033         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1034         transaction state. Choose closed-nesting alternative if available.
1035         (GTM::gtm_thread::set_default_dispatch): New.
1036         (parse_default_method): New.
1037         (GTM::gtm_thread::number_of_threads_changed): New.
1038         * method-serial.cc (GTM::serial_mg): New method group class.
1039         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1040         fini.
1041         (GTM::serial_dispatch): Same.
1042         (GTM::serialirr_onwrite_dispatch): Same.
1043         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1044         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1045         registered threads.
1046         (GTM::gtm_thread::gtm_thread): Same.
1047         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1048         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1049         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1050         choose dispatch but set state according to dispatch here.
1051         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1052         (GTM::method_group): New class.
1053         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1054         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1055         * libitm.texi: Document TM methods, method groups, method life cycle.
1056         Rename method sets to method groups.
1057
1058 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1059
1060         * config/x86/tls.h: Moved to ...
1061         * config/linux/x86/tls.h: ... here.
1062
1063 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1064
1065         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1066         Add X32 support.
1067         * config/x86/sjlj.S: Same.
1068
1069 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1070
1071         * config/linux/rwlock.h: New file.
1072         * config/linux/rwlock.c: New file.
1073         * configure.ac: Reenable futex support (undo SVN rev 157758).
1074         * Makefile.am: Same.
1075         * configure.tgt: Same.
1076         * config/linux/alpha/futex_bits.h: Same.
1077         * config/linux/futex.h: Same. Return number of woken processes.
1078         * config/linux/futex.cc: Same.
1079         (futex_wait): Remove spinning.
1080         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1081         Use __x86_64__ instead of __LP64__.
1082         * aclocal.m4: Include generic futex checks.
1083         * configure: Rebuild.
1084         * Makefile.in: Rebuild.
1085         * testsuite/Makefile.in: Rebuild.
1086         * beginend.cc: Include pthread.h.
1087         * config/posix/cachepage.cc: Same.
1088
1089 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1090
1091         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1092         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1093         (set_gtm_thr): New.
1094         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1095         (set_gtm_thr): New.
1096         (GTM::gtm_thread::thread_num): Removed.
1097         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1098         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1099         tx-to-thread renaming.
1100         * beginend.cc: Adapted to tx-to-thread renaming.
1101         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1102         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1103         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1104         gtm_transaction to gtm_thread.
1105         (_ITM_getThreadnum): Removed. Not supported anymore.
1106         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1107         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1108         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1109         gtm_tx-to-gtm_thr renaming if necessary.
1110         * eh_cpp.cc: Same.
1111         * local.cc: Same.
1112         * retry.cc: Same.
1113         * clone.cc: Same.
1114         * alloc.cc: Same.
1115         * alloc_c.cc: Same.
1116         * alloc_cpp.cc: Same.
1117         * method-serial.cc: Same.
1118         * config/generic/tls.cc: Same.
1119         * config/posix/rwlock.h (gtm_rwlock): Same.
1120         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1121
1122 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1123
1124         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1125         implementation.
1126         (gtm_rwlock::read_unlock): Same.
1127         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1128         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1129         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1130         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1131         w_upgrade. Replaced by per-transaction flags (in shared_state).
1132         Added c_confirmed_writers.
1133         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1134         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1135         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1136         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1137         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1138         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1139         * libitm.texi: Document locking conventions and implementations in
1140         libitm.
1141
1142 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1143
1144         * libitm_i.h (next_tx): Add list of all threads' transaction.
1145         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1146         transaction with list of transactions and ...
1147         (thread_exit_handler): ... deregister here.
1148         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1149         * config/x86/target.h: Same.
1150
1151 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1152
1153         * testsuite/libitm.c++/static_ctor.C: New file.
1154
1155 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1156
1157         * testsuite/libitm.c/reentrant.c: New file.
1158
1159 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1160
1161         * config/generic/tls.h: Remove the free list for transactions and ...
1162         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1163         (GTM::gtm_transaction::operator delete): ... and release here.
1164         (thread_exit_handler): New. Delete tx when thread terminates.
1165         (thread_exit_init): New.
1166         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1167         * testsuite/libitm.c/txrelease.c: New file.
1168
1169 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1170
1171         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1172         * testsuite/libitm.c/notx.c: New file.
1173
1174 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1175
1176         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1177         * libitm_i.h (local_tid): ... to here.
1178         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1179         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1180
1181 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1182
1183         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1184         serialirr_onwrite_dispatch as new default for now.
1185         * method-serial.cc (serialirr_onwrite_dispatch): New.
1186         (GTM::dispatch_serialirr_onwrite): New.
1187         * libitm_i.h: Same.
1188
1189 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1190
1191         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1192         * query.cc (_ITM_getTransactionId): There is no active transaction if
1193         the current nesting level is zero.
1194
1195 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1196
1197         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1198         rollback.
1199
1200 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1201
1202         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1203         transaction properties from the caller instead of from the
1204         transaction object.
1205         * libitm_i.h: Same.
1206         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1207
1208 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1209
1210         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1211         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1212         * dispatch.h: Same.
1213         * method-serial.cc: Same.
1214         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1215         flat nesting as default, and closed nesting on demand.
1216         (GTM::gtm_transaction::rollback): Same.
1217         (_ITM_abortTransaction): Same.
1218         (GTM::gtm_transaction::restart): Same.
1219         (GTM::gtm_transaction::trycommit): Same.
1220         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1221         (choose_code_path): New.
1222         (GTM::gtm_transaction_cp::save): New.
1223         (GTM::gtm_transaction_cp::commit): New.
1224         * query.cc (_ITM_inTransaction): Support flat nesting.
1225         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1226         (GTM::gtm_transaction): Support flat and closed nesting.
1227         * alloc.cc (commit_allocations_2): New.
1228         (commit_cb_data): New helper struct.
1229         (GTM::gtm_transaction::commit_allocations): Handle nested
1230         commits/rollbacks.
1231         * libitm.texi: Update user action section, add description of nesting.
1232
1233 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1234
1235         * libitm_i.h: Add closed nesting as restart reason.
1236         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1237
1238 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1239
1240         * useraction.cc: Use vector instead of list to store actions.
1241         Also support partial rollbacks for closed nesting.
1242         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1243         * beginend.cc: Same.
1244
1245 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1246
1247         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1248         closed_nesting flags, as well as a closed nesting alternative.
1249         * method-serial.cc: Same.
1250         (serial_dispatch): Renamed to serialirr_dispatch.
1251         (GTM::dispatch_serialirr): Same.
1252         (serial_dispatch_ul): Renamed to serial_dispatch.
1253         (GTM::dispatch_serial): Same.
1254
1255 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1256
1257         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1258
1259 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1260
1261         * aatree.h (aa_tree::remove): New.
1262         (aa_tree::operator new): Add placement new.
1263
1264 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1265
1266         * containers.h: New file.
1267         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1268         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1269         * common.h: ... to here.
1270         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1271         * local.cc: Same.
1272
1273 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1274
1275         * libitm_i.h (STATE_ABORTING): Remove.
1276         * beginend.cc (_ITM_abortTransaction): Same.
1277         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1278         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1279         (_ITM_rollbackTransaction): Remove.
1280         * beginend.cc: Same.
1281         * libitm.map: Same.
1282         * libitm.texi: Document these ABI changes.
1283
1284 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1285
1286         * libitm.texi: New file.
1287         * Makefile.am: Add libitm.texi.
1288         * Makefile.in: Rebuild.
1289
1290 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1291
1292         * libitm_i.h: Move parts to common.h and dispatch.h.
1293         * common.h: New file.
1294         * dispatch.h: New file, new dispatch class.
1295         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1296         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1297         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1298         decision to retry.cc.
1299         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1300         only.
1301         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1302         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1303         logging.
1304         * barrier.cc: Use new barriers definitions.
1305         (abi_dispatch::memmove_overlap_check): New.
1306         * config/x86/x86_sse.cc: Same.
1307         * config/x86/x86_avx.cc: Same.
1308         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1309         memcpy.cc.
1310         * Makefile.in: Rebuild.
1311         * method-readonly.cc: Remove.
1312         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1313         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1314
1315 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1316
1317         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1318         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1319         * testsuite/libitm.c/dropref-2.c: Same.
1320         * testsuite/libitm.c/dropref.c: Same.
1321
1322 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1323
1324         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1325         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1326         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1327         * alloc_c.cc: Same.
1328         * barrier.tpl: Same.
1329         * beginend.c: Same.
1330         * config/generic/tls.h: Same.
1331         * config/x86/tls.h: Same.
1332         * libitm_i.h: Same.
1333         * memcpy.cc: Same.
1334         * memset.cc: Same.
1335         * method-readonly.cc: Same.
1336         * method-serial.cc: Same.
1337         * method-wbetl.cc: Same.
1338         * retry.cc: Same.
1339
1340 2011-03-03  Richard Henderson  <rth@redhat.com>
1341
1342         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1343         From Patrik Marlier <patrick.marlier@unine.ch>.
1344
1345 2011-02-03  Richard Henderson  <rth@redhat.com>
1346
1347         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1348         * configure.ac: Use it.
1349         * configure, config.h.in: Rebuild.
1350         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1351         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1352         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1353         * libitm.map: Use wildcards to match size_t mangling.
1354
1355 2010-12-14  Richard Henderson  <rth@redhat.com>
1356
1357         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1358         blocks of TIDs per thread.
1359         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1360         (setup_gtm_thr): Return the thread structure.
1361         * config/x86/tls.h (setup_gtm_thr): Likewise.
1362
1363 2010-12-14  Richard Henderson  <rth@redhat.com>
1364
1365         * clone.cc (table_lock): Remove.
1366         (find_clone): Don't take it.
1367         (ExcludeTransaction): New helper class.
1368         (_ITM_registerTMCloneTable): Use it.
1369         (_ITM_deregisterTMCloneTable): Likewise.
1370
1371 2010-12-14  Richard Henderson  <rth@redhat.com>
1372
1373         * config/x86/tls.h: New file.
1374
1375 2010-07-15  Richard Henderson  <rth@redhat.com>
1376
1377         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1378         * Makefile.in: Rebuild.
1379
1380 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1381
1382         * method-wbetl.cc (trydropreference): Fix source line.
1383
1384 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1385
1386         * libitm.h: Add comment.
1387         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1388
1389 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1390
1391         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1392         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1393         available, use pthread mutexes.
1394         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1395         * config.h.in: Regenerate.
1396         * configure: Regenerate.
1397
1398 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1399
1400         * libitm.h (ITM_PURE): Define.
1401         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1402
1403 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1404
1405         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1406         (validate): Add comment.
1407         (trydropreference): New.
1408         * method-readonly.cc (class readonly_dispatch): Add
1409         trydropreference.
1410         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1411         Call trydropreference().
1412         * libitm.h (_ITM_dropReferences): Remove const attribute.
1413         * method-serial.cc (class serial_dispatch): Add trydropreference.
1414         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1415
1416 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1417
1418         * memcpy.cc (do_memcpy): Comment.
1419
1420 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1421
1422         * barrier.tpl: Add comments throughout.
1423
1424 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1425
1426         * method-wbetl.cc (struct w_entry): Add comments.
1427         (trycommit): Same.
1428         (rollback): Same.
1429
1430 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1431
1432         * alloc_c.cc (_ITM_dropReferences): New.
1433         * libitm.map (_ITM_dropReferences): Add.
1434         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1435         * libitm_i.h (struct gtm_transaction): Declare
1436         drop_references_allocations and drop_references_local.
1437         * local.cc (rollback_local): Ignore memory when applicable.
1438         (drop_references_local): New.
1439
1440 2010-06-23  Richard Henderson  <rth@redhat.com>
1441
1442         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1443         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1444         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1445         * config/alpha/target.h: Likewise.
1446         * config/generic/tls.cc (gtm_mask_stack): Use it.
1447
1448 2010-06-23  Richard Henderson  <rth@redhat.com>
1449
1450         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1451         a mutex instead of trying a lock-free compare-and-swap on the list.
1452         (gtm_cacheline_page::operator delete): Likewise.
1453
1454 2010-06-16  Richard Henderson  <rth@redhat.com>
1455
1456         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1457         that overlap the libitm stack.
1458         * barrier.tpl: Mark incoming stack.
1459         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1460         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1461         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1462         * memcpy.cc, memset.cc: Likewise.
1463         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1464         * config/generic/tls.h (gtm_thread): Add stack_top member.
1465         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1466         * libitm_i.h (gtm_mask_stack): Declare.
1467         * config/generic/tls.cc: New file.
1468         * Makefile.am (libitm_la_SOURCES): Add it.
1469         (AM_CXXFLAGS): Turn off exceptions.
1470         * Makefile.in: Rebuild.
1471
1472 2010-06-16  Richard Henderson  <rth@redhat.com>
1473
1474         * alloc.cc (struct gtm_alloc_action): Move definition ...
1475         * libitm_i.h: ... here.
1476         (class gtm_transaction): Declare new and delete.
1477         * beginend.cc (alloc_tx): Reformulate as operator new.
1478         (free_tx): Reformulate as operator delete.
1479         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1480
1481 2010-06-11  Richard Henderson  <rth@redhat.com>
1482
1483         * clone.cc (clone_entry_compare): Fix typo.
1484         From Patrik Marlier <patrick.marlier@unine.ch>.
1485
1486 2010-05-13  Richard Henderson  <rth@redhat.com>
1487
1488         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1489         in extern "C".
1490
1491 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1492
1493         * libitm_i.h (struct gtm_transaction): Remove
1494         get_allocation_size.
1495         (record_allocation): Remove size parameter.
1496         * libitm.map (_ITM_realloc): Remove.
1497         * alloc_c.cc (_ITM_realloc): Remove.
1498         (_ITM_malloc): Remove size argument to record_allocation.
1499         (_ITM_calloc): Same.
1500         * alloc_cpp.cc (_ZGTtnwm): Same.
1501         (_ZGTtnwmRKSt9nothrow_t): Same.
1502         (_ZGTtnam): Same.
1503         (_ZGTtnamRKSt9nothrow_t): Same.
1504         * alloc.cc (struct gtm_alloc_action): Remove size.
1505         (get_allocation_size): Remove.
1506         (commit_allocations): Add comment.
1507         (record_allocation): Remove size parameter.
1508         (forget_allocation): Remove set of size.
1509
1510 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1511
1512         * Makefile.am (abi_version): New.
1513         (AM_CXXFLAGS): Pass abi_version.
1514         * Makefile.in: Regenerate.
1515         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1516
1517 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1518
1519         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1520         _ITM_getTMCloneOrIrrevokable.
1521         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1522         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1523
1524 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1525
1526         * configure.ac: Remove Linux futex support.
1527         * configure.tgt (config_path): Same.
1528         * Makefile.am: Same.
1529         * config/linux: Remove entire directory.
1530         * configure: Rebuild.
1531         * Makefile.in: Rebuild.
1532         * testsuite/Makefile.in: Rebuild.
1533
1534 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1535
1536         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1537         switching to serial mode.
1538         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1539
1540 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1541
1542         * configure.tgt: Add emacs -*- tags.
1543         * barrier.tpl: Same.
1544
1545 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1546
1547         * Makefile.am: Rename serial.cc to method-serial.cc.
1548         * Makefile.in: Regenerate with automake 1.11.1.
1549         * testsuite/Makefile.in: Same.
1550         * aclocal.m4: Regenerate with aclocal 1.11.1.
1551         * method-serial.cc: Rename from serial.cc.
1552         * libitm_i.h (struct gtm_transaction): Update comment on
1553         serialirr_mode.
1554
1555 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1556
1557         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1558         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1559
1560 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1561
1562         * configure: Rebuild.
1563
1564 2009-11-12  Richard Henderson  <rth@redhat.com>
1565
1566         * Rewrite everything in C++.
1567
1568 2009-11-03  Richard Henderson  <rth@redhat.com>
1569
1570         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1571         * Makefile.am (libitm_la_SOURCES): Add them.
1572         * configure.ac (ARCH_X86): New conditional.
1573         * Makefile.in, configure: Rebuild.
1574         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1575         Move futex setup into "other system configury" case.
1576         * local.c (rollback_local): Merge into ...
1577         (GTM_rollback_local): ... here.
1578         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1579         (_ITM_LB): Define as an alias to GTM_LB.
1580
1581 2009-11-03  Richard Henderson  <rth@redhat.com>
1582
1583         * method-readonly.c: New file.
1584         * Makefile.am (libitm_la_SOURCES): Add it.
1585         * Makefile.in: Rebuild.
1586         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1587         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1588         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1589         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1590         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1591         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1592         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1593         gtm_get_clock, gtm_inc_clock): New.
1594         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1595         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1596         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1597         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1598         replace uses with new libitm_i.h symbols.
1599         (dispatch_wbetl): Rename from wbetl_dispatch.
1600         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1601         away from dispatch_readonly; abort if the beginTransaction call
1602         asserted that the transaction was readonly.
1603
1604 2009-11-03  Richard Henderson  <rth@redhat.com>
1605
1606         * memset.c: New file.
1607         * Makefile.am (libitm_la_SOURCES): Add it.
1608         * Makefile.in: Rebuild.
1609         * testsuite/libitm.c/memset-1.c: New.
1610
1611 2009-11-03  Richard Henderson  <rth@redhat.com>
1612
1613         * dispatch.c: Remove file.
1614         * useraction.c (struct gtm_user_action): Move from libitm.h.
1615         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1616         (serial_memset, serial_memmove, serial_memcpy): Remove.
1617         (serial_W*, serial_R*): Remove.
1618         (serial_dispatch): Update to match.
1619         * configure.ac: Move Werror down below configure checks.  Don't
1620         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1621         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1622         Use GCC_AC_FUNC_MMAP_BLACKLIST
1623         * libitm.h: Split out all internal items to...
1624         * libitm_i.h: ... here.  New file.
1625         * copymask.c: New file.
1626         * local.c (struct gtm_local_undo): Move from libitm.h.
1627         (GTM_alloc_local): Rename from alloc_local; export.
1628         * memcpy.c: New file.
1629         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1630         * config/posix/page.c: New file.
1631         * config/posix/target_tls.h: Remove file.
1632         * barrier.c: New file.
1633         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1634         copymask.c, page.c.
1635         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1636         * method-wbetl.c: Rewrite for new cacheline methods.
1637         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1638
1639         * config/alpha/sjlj.S: Fix typo.
1640         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1641         * config/alpha/copymask.c: New file.
1642         * config/alpha/target.h (CACHELINE_SIZE): New.
1643         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1644
1645         * config/x86/target_i.h: Copy functions from x86/target.h.
1646         * config/x86/copymask.c: New file.
1647         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1648         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1649         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1650         * config/x86/target_tls.h: Move contents to target_i.h.
1651
1652         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1653         * testsuite/libitm.c/memcpy-1.c: New.
1654
1655 2009-10-22  Richard Henderson  <rth@redhat.com>
1656
1657         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1658         (AM_CCASFLAGS): New.
1659         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1660         saving/restoring _AC_ARG_VAR_PRECIOUS.
1661         * Makefile.in, aclocal.m4, config.h.in, configure,
1662         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1663
1664 2009-10-22  Richard Henderson  <rth@redhat.com>
1665
1666         * testsuite/*: Update for new compiler syntax.
1667
1668 2009-10-21  Richard Henderson  <rth@redhat.com>
1669
1670         * libitm.h (_ITM_abortReason): Add outerAbort.
1671
1672 2009-08-03  Richard Henderson  <rth@redhat.com>
1673
1674         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1675         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1676         * method-wbetl.c (struct w_entry): Remove mask.
1677         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1678         adjust all callers.
1679
1680 2009-07-22  Richard Henderson  <rth@redhat.com>
1681
1682         * eh_cpp.c: New file.
1683         * Makefile.am (libitm_la_SOURCES): Add it.
1684         * Makefile.in: Rebuild.
1685         * beginend.c (GTM_rollback_transaction): Undo exception state.
1686         (GTM_trycommit_transaction): Mark inline.
1687         (GTM_trycommit_and_finalize_transaction): Split out from ...
1688         (_ITM_commitTransaction): ... here.
1689         (_ITM_commitTransactionEH): New function.
1690         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1691         cxa_unthrown, eh_in_flight; reorder.
1692
1693         * testsuite/libitm.c++/c++.exp: New.
1694         * testsuite/libitm.c++/eh-1.C: New.
1695
1696         * aatree.c (aa_free): Remove REGPARM.
1697         * aatree.h: Remove all REGPARM.
1698
1699 2009-07-18  Richard Henderson  <rth@redhat.com>
1700
1701         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1702         * Makefile.am (libitm_la_SOURCES): Add them.
1703         * Makefile.in: Rebuild.
1704         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1705         (GTM_trycommit_transaction): Likewise.
1706         * libitm.h: Include aatree.h
1707         (struct gtm_alloc_action): New.
1708         (struct gtm_transaction): Add alloc_actions.
1709         (GTM_record_allocation, GTM_forget_allocation): Declare.
1710         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1711         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1712         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1713         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1714         _ZGTtdaPvRKSt9nothrow_t): Export.
1715
1716 2009-07-18  Richard Henderson  <rth@redhat.com>
1717
1718         * target_tls.h: Move ...
1719         * config/posix/target_tls.h: ... here.
1720
1721 2009-07-07  Richard Henderson  <rth@redhat.com>
1722
1723         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1724
1725 2009-07-07  Richard Henderson  <rth@redhat.com>
1726
1727         * Update to GPL3.
1728
1729 2009-07-07  Richard Henderson  <rth@redhat.com>
1730
1731         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1732         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1733
1734         * configure.tgt: Don't use -ftls-model for x86 linux.
1735         * libitm.h: Include target.h after standard includes.
1736         (_gtm_thr): Rename from gtm_thr.
1737         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1738         (gtm_disp, set_gtm_disp): New.
1739         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1740         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1741         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1742
1743 2009-07-07  Richard Henderson  <rth@redhat.com>
1744
1745         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1746
1747 2009-07-06  Richard Henderson  <rth@redhat.com>
1748
1749         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1750         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1751         (_ITM_beginTransaction): Take variadic arguments.
1752         (_ITM_registerThrownObject): Declare.
1753         * beginend.c, serial.c: Update.
1754         * libitm.map: Add _ITM_registerThrownObject.
1755
1756 2009-01-28  Richard Henderson  <rth@redhat.com>
1757
1758         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1759         * Makefile.in: Rebuild.
1760         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1761         (GTM_restart_transaction): Fix uninstrumented code check.
1762         * retry.c (GTM_decide_retry_strategy): Add serial check.
1763         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1764         automatically go irrevokable when in serial mode.
1765         * clone.c: New file.
1766         * libitm.h, libitm.map: Update.
1767
1768 2009-01-27  Richard Henderson  <rth@redhat.com>
1769
1770         * Makefile.am (LTCCASCOMPILE): Define.
1771         (libitm_la_SOURCES): Add methid-wbetl.c.
1772         * testsuite/Makefile.am: New
1773         * configure.ac: Add testsuite/Makefile.
1774         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1775         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1776         (_ITM_abortTransaction): Finalize implementation method; pass
1777         transaction properties to longjmp.
1778         (GTM_restart_transaction): Split out from ...
1779         (_ITM_commitTransaction): ... here.
1780         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1781         Move to config/x86/target.h.
1782         * config/linux/alpha/futex_bits.h: New.
1783         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1784         * config/x86/target.h: Disable target types for 32-bit.
1785         * config/alpha/sjlj.S, config/alpha/target.h: New.
1786         * libitm.h (struct gtm_dispatch): Add init, fini.
1787         (enum restart_reason): New.
1788         (struct gtm_transaction): Add method and restarts.
1789         * retry.c (GTM_decide_retry_strategy): Implement.
1790         * serial.c (serial_init, serial_fini): New.
1791         (GTM_serialmode): Finialize outgoing method.
1792         * method-wbetl.c: New.
1793
1794 2008-12-09  Richard Henderson  <rth@redhat.com>
1795
1796         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1797         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1798         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1799         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1800         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1801         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1802         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1803         * serial.c (serial_R##T, serial_W##T): Likewise.
1804
1805 2008-11-21  Richard Henderson  <rth@redhat.com>
1806
1807         * Initial commit.