libitm/ChangeLog

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