libitm/ChangeLog

   1 2011-11-10  Richard Henderson  <rth@redhat.com>
   2
   3         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
   4         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
   5         * configure.ac (ARCH_X86_AVX): New conditional.
   6         * Makefile.in, configure: Rebuild.
   7
   8 2011-11-09  Richard Henderson  <rth@redhat.com>
   9
  10         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
  11         * configure.ac: Use it.
  12         * config.h.in, configure: Rebuild.
  13         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
  14
  15 2011-11-09  Richard Henderson  <rth@redhat.com>
  16
  17         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
  18         * config/alpha/unaligned.h: Remove file.
  19         * config/generic/unaligned.h: Remove file.
  20         * config/x86/unaligned.h: Remove file.
  21         * config/generic/cachepage.h: Remove file.
  22         * config/posix/cachepage.cc: Remove file.
  23         * config/generic/cacheline.cc: Remove file.
  24         * config/x86/cacheline.cc: Remove file.
  25         * config/generic/cacheline.h (gtm_cacheline): Remove the
  26         store_mask, copy_mask, copy_mask_wb methods.
  27         * config/x86/cacheline.h: Likewise.
  28         * config/alpha/cacheline.h: Fall back to generic after setting size.
  29         * config/generic/tls.cc (gtm_mask_stack): Remove.
  30         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
  31         (GTM_vpalignr_table): Remove.
  32         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
  33         (GTM_pshift_table): Remove.
  34         * config/libitm_i.h: Don't include cachepage.h.
  35         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
  36         * Makefile.in, testsuite/Makefile.in: Rebuild.
  37
  38 2011-11-09  Richard Henderson  <rth@redhat.com>
  39
  40         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
  41         to emit branch prediction hint.
  42
  43         * config/x86/sjlj.S: Protect elf directives with __ELF__.
  44         Protect .note.GNU-stack with __linux__.
  45
  46         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
  47         * configure, aclocal.m4, config.h.in: Rebuild.
  48         * config/generic/asmcfi.h: New file.
  49         * config/x86/sjlj.S: Use it.
  50
  51 2011-11-08  Richard Henderson  <rth@redhat.com>
  52
  53         * local.cc (_ITM_LB): Use a normal call, not a function alias.
  54
  55 2011-11-08  Richard Henderson  <rth@redhat.com>
  56
  57         * configure.tgt: Test correct directory for supported cpus.
  58
  59         * configure.ac: Exit if unsupported.
  60         * configure: Rebuild.
  61         * configure.tgt: Delete boilerplate from libgomp for unsupported
  62         targets.  Set UNSUPPORTED for unsupported targets.
  63
  64 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  65
  66         * configure.tgt: Handle i386 like i[456]86.
  67         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
  68         take address.
  69         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
  70         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
  71
  72 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
  73
  74         * method-wbetl.cc: Update copyright notice.
  75         * aatree.cc: Same.
  76         * util.cc: Same.
  77         * libitm.h: Same.
  78         * memset.cc: Same.
  79         * eh_cpp.cc: Same.
  80         * barrier.tpl: Same.
  81         * useraction.cc: Same.
  82         * stmlock.h: Same.
  83         * memcpy.cc: Same.
  84         * common.h: Same.
  85         * config/generic/tls.cc: Same.
  86         * config/generic/cacheline.h: Same.
  87         * config/generic/cachepage.h: Same.
  88         * config/generic/cacheline.cc: Same.
  89         * config/generic/unaligned.h: Same.
  90         * config/x86/cacheline.h: Same.
  91         * config/x86/cacheline.cc: Same.
  92         * config/x86/unaligned.h: Same.
  93         * config/alpha/cacheline.h: Same.
  94         * config/alpha/unaligned.h: Same.
  95         * config/alpha/sjlj.S: Same.
  96         * config/posix/cachepage.cc: Same.
  97         * config/linux/futex.h: Same.
  98         * config/linux/alpha/futex_bits.h: Same.
  99
 100 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 101
 102         * libitm.texi: No cover text and invariant sections.
 103
 104 2011-11-03  Richard Henderson  <rth@redhat.com>
 105
 106         * local_type_traits: New file.
 107         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 108
 109 2011-11-03  Richard Henderson  <rth@redhat.com>
 110
 111         * configure.ac: Don't test for gfortran.
 112         * configure: Rebuild.
 113
 114         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 115         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 116
 117 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 118
 119         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 120         * testsuite/libitm.c/memset-1.c: Same.
 121         * testsuite/libitm.c/c.exp: Same.
 122         * testsuite/lib/libitm-dg.exp: Same.
 123         * testsuite/lib/libitm.exp: Same.
 124         * testsuite/libitm.c++/c++.exp: Same.
 125
 126 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 127
 128         * testsuite/config/default.exp: Update copyright date.
 129         * configure.ac: Add copyright info.
 130         * configure.tgt: Same.
 131
 132 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 133
 134         * testsuite/libitm.c/reentrant.c: XFAIL.
 135         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 136
 137 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 138
 139         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 140         handle aborts.
 141         (_ITM_abortTransaction): Handle aborts of outer transactions.
 142         * libitm_i.h: Same.
 143         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 144         * libitm.texi: Document aborts of outer transactions.
 145         * testsuite/libitm.c/cancel.c: New file.
 146
 147 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 148
 149         * testsuite/*: Change __transaction to __transaction_atomic or
 150         __transaction_relaxed.
 151
 152 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 153
 154         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 155         (gtm_thr): Same.
 156
 157 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 158
 159         * libitm_i.h: Add gl_wt dispatch.
 160         * retry.cc (parse_default_method): Same.
 161         * method-gl.cc: New file.
 162         * Makefile.am: Use method-gl.cc.
 163         * Makefile.in: Rebuild.
 164
 165 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 166
 167         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 168         safety if requested by a TM method.
 169         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 170         privatization safety.
 171         * method-serial.cc: Same.
 172
 173 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 174
 175         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 176         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 177         undolog-related member functions from *_local to *_undolog.
 178         * local.cc (gtm_thread::commit_undolog): Same.
 179         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 180         (GTM::gtm_thread::rollback): Roll back undolog before
 181         dispatch-specific rollback.
 182
 183 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 184
 185         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 186         re-initialization of the current method group.
 187         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 188
 189 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 190
 191         * alloc.cc (commit_allocations_2): Do not free transaction-local
 192         memory when committing a nested transaction.
 193
 194 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 195
 196         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 197         serial-irrevocable dispatch, not serial.
 198
 199 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 200
 201         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 202         declarations.
 203         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 204         * method-serial.cc: Implement begin_or_restart().
 205         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 206         dispatch-specific begin_or_restart().
 207         (GTM::gtm_thread::restart): Same.
 208
 209 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 210
 211         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 212         restarting without switching to serial mode.
 213         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 214         transaction state. Choose closed-nesting alternative if available.
 215         (GTM::gtm_thread::set_default_dispatch): New.
 216         (parse_default_method): New.
 217         (GTM::gtm_thread::number_of_threads_changed): New.
 218         * method-serial.cc (GTM::serial_mg): New method group class.
 219         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 220         fini.
 221         (GTM::serial_dispatch): Same.
 222         (GTM::serialirr_onwrite_dispatch): Same.
 223         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 224         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 225         registered threads.
 226         (GTM::gtm_thread::gtm_thread): Same.
 227         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 228         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 229         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 230         choose dispatch but set state according to dispatch here.
 231         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 232         (GTM::method_group): New class.
 233         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 234         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 235         * libitm.texi: Document TM methods, method groups, method life cycle.
 236         Rename method sets to method groups.
 237
 238 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 239
 240         * config/x86/tls.h: Moved to ...
 241         * config/linux/x86/tls.h: ... here.
 242
 243 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 244
 245         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 246         Add X32 support.
 247         * config/x86/sjlj.S: Same.
 248
 249 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 250
 251         * config/linux/rwlock.h: New file.
 252         * config/linux/rwlock.c: New file.
 253         * configure.ac: Reenable futex support (undo SVN rev 157758).
 254         * Makefile.am: Same.
 255         * configure.tgt: Same.
 256         * config/linux/alpha/futex_bits.h: Same.
 257         * config/linux/futex.h: Same. Return number of woken processes.
 258         * config/linux/futex.cc: Same.
 259         (futex_wait): Remove spinning.
 260         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 261         Use __x86_64__ instead of __LP64__.
 262         * aclocal.m4: Include generic futex checks.
 263         * configure: Rebuild.
 264         * Makefile.in: Rebuild.
 265         * testsuite/Makefile.in: Rebuild.
 266         * beginend.cc: Include pthread.h.
 267         * config/posix/cachepage.cc: Same.
 268
 269 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 270
 271         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 272         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 273         (set_gtm_thr): New.
 274         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 275         (set_gtm_thr): New.
 276         (GTM::gtm_thread::thread_num): Removed.
 277         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 278         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 279         tx-to-thread renaming.
 280         * beginend.cc: Adapted to tx-to-thread renaming.
 281         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 282         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 283         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 284         gtm_transaction to gtm_thread.
 285         (_ITM_getThreadnum): Removed. Not supported anymore.
 286         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 287         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 288         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 289         gtm_tx-to-gtm_thr renaming if necessary.
 290         * eh_cpp.cc: Same.
 291         * local.cc: Same.
 292         * retry.cc: Same.
 293         * clone.cc: Same.
 294         * alloc.cc: Same.
 295         * alloc_c.cc: Same.
 296         * alloc_cpp.cc: Same.
 297         * method-serial.cc: Same.
 298         * config/generic/tls.cc: Same.
 299         * config/posix/rwlock.h (gtm_rwlock): Same.
 300         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 301
 302 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 303
 304         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 305         implementation.
 306         (gtm_rwlock::read_unlock): Same.
 307         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 308         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 309         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 310         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 311         w_upgrade. Replaced by per-transaction flags (in shared_state).
 312         Added c_confirmed_writers.
 313         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 314         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 315         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 316         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 317         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 318         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 319         * libitm.texi: Document locking conventions and implementations in
 320         libitm.
 321
 322 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 323
 324         * libitm_i.h (next_tx): Add list of all threads' transaction.
 325         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 326         transaction with list of transactions and ...
 327         (thread_exit_handler): ... deregister here.
 328         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 329         * config/x86/target.h: Same.
 330
 331 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 332
 333         * testsuite/libitm.c++/static_ctor.C: New file.
 334
 335 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 336
 337         * testsuite/libitm.c/reentrant.c: New file.
 338
 339 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 340
 341         * config/generic/tls.h: Remove the free list for transactions and ...
 342         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 343         (GTM::gtm_transaction::operator delete): ... and release here.
 344         (thread_exit_handler): New. Delete tx when thread terminates.
 345         (thread_exit_init): New.
 346         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 347         * testsuite/libitm.c/txrelease.c: New file.
 348
 349 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 350
 351         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 352         * testsuite/libitm.c/notx.c: New file.
 353
 354 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 355
 356         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 357         * libitm_i.h (local_tid): ... to here.
 358         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 359         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 360
 361 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 362
 363         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 364         serialirr_onwrite_dispatch as new default for now.
 365         * method-serial.cc (serialirr_onwrite_dispatch): New.
 366         (GTM::dispatch_serialirr_onwrite): New.
 367         * libitm_i.h: Same.
 368
 369 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 370
 371         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 372         * query.cc (_ITM_getTransactionId): There is no active transaction if
 373         the current nesting level is zero.
 374
 375 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 376
 377         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 378         rollback.
 379
 380 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 381
 382         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 383         transaction properties from the caller instead of from the
 384         transaction object.
 385         * libitm_i.h: Same.
 386         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 387
 388 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 389
 390         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 391         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 392         * dispatch.h: Same.
 393         * method-serial.cc: Same.
 394         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 395         flat nesting as default, and closed nesting on demand.
 396         (GTM::gtm_transaction::rollback): Same.
 397         (_ITM_abortTransaction): Same.
 398         (GTM::gtm_transaction::restart): Same.
 399         (GTM::gtm_transaction::trycommit): Same.
 400         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 401         (choose_code_path): New.
 402         (GTM::gtm_transaction_cp::save): New.
 403         (GTM::gtm_transaction_cp::commit): New.
 404         * query.cc (_ITM_inTransaction): Support flat nesting.
 405         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 406         (GTM::gtm_transaction): Support flat and closed nesting.
 407         * alloc.cc (commit_allocations_2): New.
 408         (commit_cb_data): New helper struct.
 409         (GTM::gtm_transaction::commit_allocations): Handle nested
 410         commits/rollbacks.
 411         * libitm.texi: Update user action section, add description of nesting.
 412
 413 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 414
 415         * libitm_i.h: Add closed nesting as restart reason.
 416         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 417
 418 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 419
 420         * useraction.cc: Use vector instead of list to store actions.
 421         Also support partial rollbacks for closed nesting.
 422         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 423         * beginend.cc: Same.
 424
 425 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 426
 427         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 428         closed_nesting flags, as well as a closed nesting alternative.
 429         * method-serial.cc: Same.
 430         (serial_dispatch): Renamed to serialirr_dispatch.
 431         (GTM::dispatch_serialirr): Same.
 432         (serial_dispatch_ul): Renamed to serial_dispatch.
 433         (GTM::dispatch_serial): Same.
 434
 435 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 436
 437         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 438
 439 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 440
 441         * aatree.h (aa_tree::remove): New.
 442         (aa_tree::operator new): Add placement new.
 443
 444 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 445
 446         * containers.h: New file.
 447         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 448         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 449         * common.h: ... to here.
 450         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 451         * local.cc: Same.
 452
 453 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 454
 455         * libitm_i.h (STATE_ABORTING): Remove.
 456         * beginend.cc (_ITM_abortTransaction): Same.
 457         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 458         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 459         (_ITM_rollbackTransaction): Remove.
 460         * beginend.cc: Same.
 461         * libitm.map: Same.
 462         * libitm.texi: Document these ABI changes.
 463
 464 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 465
 466         * libitm.texi: New file.
 467         * Makefile.am: Add libitm.texi.
 468         * Makefile.in: Rebuild.
 469
 470 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 471
 472         * libitm_i.h: Move parts to common.h and dispatch.h.
 473         * common.h: New file.
 474         * dispatch.h: New file, new dispatch class.
 475         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 476         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 477         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 478         decision to retry.cc.
 479         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 480         only.
 481         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 482         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 483         logging.
 484         * barrier.cc: Use new barriers definitions.
 485         (abi_dispatch::memmove_overlap_check): New.
 486         * config/x86/x86_sse.cc: Same.
 487         * config/x86/x86_avx.cc: Same.
 488         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 489         memcpy.cc.
 490         * Makefile.in: Rebuild.
 491         * method-readonly.cc: Remove.
 492         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 493         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 494
 495 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 496
 497         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 498         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 499         * testsuite/libitm.c/dropref-2.c: Same.
 500         * testsuite/libitm.c/dropref.c: Same.
 501
 502 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 503
 504         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 505         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 506         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 507         * alloc_c.cc: Same.
 508         * barrier.tpl: Same.
 509         * beginend.c: Same.
 510         * config/generic/tls.h: Same.
 511         * config/x86/tls.h: Same.
 512         * libitm_i.h: Same.
 513         * memcpy.cc: Same.
 514         * memset.cc: Same.
 515         * method-readonly.cc: Same.
 516         * method-serial.cc: Same.
 517         * method-wbetl.cc: Same.
 518         * retry.cc: Same.
 519
 520 2011-03-03  Richard Henderson  <rth@redhat.com>
 521
 522         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 523         From Patrik Marlier <patrick.marlier@unine.ch>.
 524
 525 2011-02-03  Richard Henderson  <rth@redhat.com>
 526
 527         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 528         * configure.ac: Use it.
 529         * configure, config.h.in: Rebuild.
 530         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 531         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 532         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 533         * libitm.map: Use wildcards to match size_t mangling.
 534
 535 2010-12-14  Richard Henderson  <rth@redhat.com>
 536
 537         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 538         blocks of TIDs per thread.
 539         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 540         (setup_gtm_thr): Return the thread structure.
 541         * config/x86/tls.h (setup_gtm_thr): Likewise.
 542
 543 2010-12-14  Richard Henderson  <rth@redhat.com>
 544
 545         * clone.cc (table_lock): Remove.
 546         (find_clone): Don't take it.
 547         (ExcludeTransaction): New helper class.
 548         (_ITM_registerTMCloneTable): Use it.
 549         (_ITM_deregisterTMCloneTable): Likewise.
 550
 551 2010-12-14  Richard Henderson  <rth@redhat.com>
 552
 553         * config/x86/tls.h: New file.
 554
 555 2010-07-15  Richard Henderson  <rth@redhat.com>
 556
 557         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 558         * Makefile.in: Rebuild.
 559
 560 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 561
 562         * method-wbetl.cc (trydropreference): Fix source line.
 563
 564 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 565
 566         * libitm.h: Add comment.
 567         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 568
 569 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 570
 571         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 572         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 573         available, use pthread mutexes.
 574         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 575         * config.h.in: Regenerate.
 576         * configure: Regenerate.
 577
 578 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 579
 580         * libitm.h (ITM_PURE): Define.
 581         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 582
 583 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 584
 585         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 586         (validate): Add comment.
 587         (trydropreference): New.
 588         * method-readonly.cc (class readonly_dispatch): Add
 589         trydropreference.
 590         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 591         Call trydropreference().
 592         * libitm.h (_ITM_dropReferences): Remove const attribute.
 593         * method-serial.cc (class serial_dispatch): Add trydropreference.
 594         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 595
 596 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 597
 598         * memcpy.cc (do_memcpy): Comment.
 599
 600 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 601
 602         * barrier.tpl: Add comments throughout.
 603
 604 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 605
 606         * method-wbetl.cc (struct w_entry): Add comments.
 607         (trycommit): Same.
 608         (rollback): Same.
 609
 610 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 611
 612         * alloc_c.cc (_ITM_dropReferences): New.
 613         * libitm.map (_ITM_dropReferences): Add.
 614         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 615         * libitm_i.h (struct gtm_transaction): Declare
 616         drop_references_allocations and drop_references_local.
 617         * local.cc (rollback_local): Ignore memory when applicable.
 618         (drop_references_local): New.
 619
 620 2010-06-23  Richard Henderson  <rth@redhat.com>
 621
 622         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 623         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 624         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 625         * config/alpha/target.h: Likewise.
 626         * config/generic/tls.cc (gtm_mask_stack): Use it.
 627
 628 2010-06-23  Richard Henderson  <rth@redhat.com>
 629
 630         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 631         a mutex instead of trying a lock-free compare-and-swap on the list.
 632         (gtm_cacheline_page::operator delete): Likewise.
 633
 634 2010-06-16  Richard Henderson  <rth@redhat.com>
 635
 636         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 637         that overlap the libitm stack.
 638         * barrier.tpl: Mark incoming stack.
 639         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 640         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 641         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 642         * memcpy.cc, memset.cc: Likewise.
 643         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 644         * config/generic/tls.h (gtm_thread): Add stack_top member.
 645         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 646         * libitm_i.h (gtm_mask_stack): Declare.
 647         * config/generic/tls.cc: New file.
 648         * Makefile.am (libitm_la_SOURCES): Add it.
 649         (AM_CXXFLAGS): Turn off exceptions.
 650         * Makefile.in: Rebuild.
 651
 652 2010-06-16  Richard Henderson  <rth@redhat.com>
 653
 654         * alloc.cc (struct gtm_alloc_action): Move definition ...
 655         * libitm_i.h: ... here.
 656         (class gtm_transaction): Declare new and delete.
 657         * beginend.cc (alloc_tx): Reformulate as operator new.
 658         (free_tx): Reformulate as operator delete.
 659         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 660
 661 2010-06-11  Richard Henderson  <rth@redhat.com>
 662
 663         * clone.cc (clone_entry_compare): Fix typo.
 664         From Patrik Marlier <patrick.marlier@unine.ch>.
 665
 666 2010-05-13  Richard Henderson  <rth@redhat.com>
 667
 668         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 669         in extern "C".
 670
 671 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 672
 673         * libitm_i.h (struct gtm_transaction): Remove
 674         get_allocation_size.
 675         (record_allocation): Remove size parameter.
 676         * libitm.map (_ITM_realloc): Remove.
 677         * alloc_c.cc (_ITM_realloc): Remove.
 678         (_ITM_malloc): Remove size argument to record_allocation.
 679         (_ITM_calloc): Same.
 680         * alloc_cpp.cc (_ZGTtnwm): Same.
 681         (_ZGTtnwmRKSt9nothrow_t): Same.
 682         (_ZGTtnam): Same.
 683         (_ZGTtnamRKSt9nothrow_t): Same.
 684         * alloc.cc (struct gtm_alloc_action): Remove size.
 685         (get_allocation_size): Remove.
 686         (commit_allocations): Add comment.
 687         (record_allocation): Remove size parameter.
 688         (forget_allocation): Remove set of size.
 689
 690 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 691
 692         * Makefile.am (abi_version): New.
 693         (AM_CXXFLAGS): Pass abi_version.
 694         * Makefile.in: Regenerate.
 695         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 696
 697 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 698
 699         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 700         _ITM_getTMCloneOrIrrevokable.
 701         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 702         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 703
 704 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 705
 706         * configure.ac: Remove Linux futex support.
 707         * configure.tgt (config_path): Same.
 708         * Makefile.am: Same.
 709         * config/linux: Remove entire directory.
 710         * configure: Rebuild.
 711         * Makefile.in: Rebuild.
 712         * testsuite/Makefile.in: Rebuild.
 713
 714 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 715
 716         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 717         switching to serial mode.
 718         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 719
 720 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 721
 722         * configure.tgt: Add emacs -*- tags.
 723         * barrier.tpl: Same.
 724
 725 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 726
 727         * Makefile.am: Rename serial.cc to method-serial.cc.
 728         * Makefile.in: Regenerate with automake 1.11.1.
 729         * testsuite/Makefile.in: Same.
 730         * aclocal.m4: Regenerate with aclocal 1.11.1.
 731         * method-serial.cc: Rename from serial.cc.
 732         * libitm_i.h (struct gtm_transaction): Update comment on
 733         serialirr_mode.
 734
 735 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 736
 737         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 738         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 739
 740 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 741
 742         * configure: Rebuild.
 743
 744 2009-11-12  Richard Henderson  <rth@redhat.com>
 745
 746         * Rewrite everything in C++.
 747
 748 2009-11-03  Richard Henderson  <rth@redhat.com>
 749
 750         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 751         * Makefile.am (libitm_la_SOURCES): Add them.
 752         * configure.ac (ARCH_X86): New conditional.
 753         * Makefile.in, configure: Rebuild.
 754         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 755         Move futex setup into "other system configury" case.
 756         * local.c (rollback_local): Merge into ...
 757         (GTM_rollback_local): ... here.
 758         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 759         (_ITM_LB): Define as an alias to GTM_LB.
 760
 761 2009-11-03  Richard Henderson  <rth@redhat.com>
 762
 763         * method-readonly.c: New file.
 764         * Makefile.am (libitm_la_SOURCES): Add it.
 765         * Makefile.in: Rebuild.
 766         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 767         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 768         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 769         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 770         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 771         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 772         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 773         gtm_get_clock, gtm_inc_clock): New.
 774         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 775         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 776         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 777         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 778         replace uses with new libitm_i.h symbols.
 779         (dispatch_wbetl): Rename from wbetl_dispatch.
 780         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 781         away from dispatch_readonly; abort if the beginTransaction call
 782         asserted that the transaction was readonly.
 783
 784 2009-11-03  Richard Henderson  <rth@redhat.com>
 785
 786         * memset.c: New file.
 787         * Makefile.am (libitm_la_SOURCES): Add it.
 788         * Makefile.in: Rebuild.
 789         * testsuite/libitm.c/memset-1.c: New.
 790
 791 2009-11-03  Richard Henderson  <rth@redhat.com>
 792
 793         * dispatch.c: Remove file.
 794         * useraction.c (struct gtm_user_action): Move from libitm.h.
 795         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 796         (serial_memset, serial_memmove, serial_memcpy): Remove.
 797         (serial_W*, serial_R*): Remove.
 798         (serial_dispatch): Update to match.
 799         * configure.ac: Move Werror down below configure checks.  Don't
 800         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 801         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 802         Use GCC_AC_FUNC_MMAP_BLACKLIST
 803         * libitm.h: Split out all internal items to...
 804         * libitm_i.h: ... here.  New file.
 805         * copymask.c: New file.
 806         * local.c (struct gtm_local_undo): Move from libitm.h.
 807         (GTM_alloc_local): Rename from alloc_local; export.
 808         * memcpy.c: New file.
 809         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 810         * config/posix/page.c: New file.
 811         * config/posix/target_tls.h: Remove file.
 812         * barrier.c: New file.
 813         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
 814         copymask.c, page.c.
 815         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
 816         * method-wbetl.c: Rewrite for new cacheline methods.
 817         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
 818
 819         * config/alpha/sjlj.S: Fix typo.
 820         * config/alpha/target_i.h: Copy functions from alpha/target.h.
 821         * config/alpha/copymask.c: New file.
 822         * config/alpha/target.h (CACHELINE_SIZE): New.
 823         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
 824
 825         * config/x86/target_i.h: Copy functions from x86/target.h.
 826         * config/x86/copymask.c: New file.
 827         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
 828         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
 829         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
 830         * config/x86/target_tls.h: Move contents to target_i.h.
 831
 832         * testsuite/libitm.c/clone-1.c: Include libitm.h.
 833         * testsuite/libitm.c/memcpy-1.c: New.
 834
 835 2009-10-22  Richard Henderson  <rth@redhat.com>
 836
 837         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
 838         (AM_CCASFLAGS): New.
 839         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
 840         saving/restoring _AC_ARG_VAR_PRECIOUS.
 841         * Makefile.in, aclocal.m4, config.h.in, configure,
 842         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
 843
 844 2009-10-22  Richard Henderson  <rth@redhat.com>
 845
 846         * testsuite/*: Update for new compiler syntax.
 847
 848 2009-10-21  Richard Henderson  <rth@redhat.com>
 849
 850         * libitm.h (_ITM_abortReason): Add outerAbort.
 851
 852 2009-08-03  Richard Henderson  <rth@redhat.com>
 853
 854         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
 855         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
 856         * method-wbetl.c (struct w_entry): Remove mask.
 857         (wbetl_write, wbetl_load): Return pointer to word containing the data;
 858         adjust all callers.
 859
 860 2009-07-22  Richard Henderson  <rth@redhat.com>
 861
 862         * eh_cpp.c: New file.
 863         * Makefile.am (libitm_la_SOURCES): Add it.
 864         * Makefile.in: Rebuild.
 865         * beginend.c (GTM_rollback_transaction): Undo exception state.
 866         (GTM_trycommit_transaction): Mark inline.
 867         (GTM_trycommit_and_finalize_transaction): Split out from ...
 868         (_ITM_commitTransaction): ... here.
 869         (_ITM_commitTransactionEH): New function.
 870         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
 871         cxa_unthrown, eh_in_flight; reorder.
 872
 873         * testsuite/libitm.c++/c++.exp: New.
 874         * testsuite/libitm.c++/eh-1.C: New.
 875
 876         * aatree.c (aa_free): Remove REGPARM.
 877         * aatree.h: Remove all REGPARM.
 878
 879 2009-07-18  Richard Henderson  <rth@redhat.com>
 880
 881         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
 882         * Makefile.am (libitm_la_SOURCES): Add them.
 883         * Makefile.in: Rebuild.
 884         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
 885         (GTM_trycommit_transaction): Likewise.
 886         * libitm.h: Include aatree.h
 887         (struct gtm_alloc_action): New.
 888         (struct gtm_transaction): Add alloc_actions.
 889         (GTM_record_allocation, GTM_forget_allocation): Declare.
 890         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
 891         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
 892         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
 893         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
 894         _ZGTtdaPvRKSt9nothrow_t): Export.
 895
 896 2009-07-18  Richard Henderson  <rth@redhat.com>
 897
 898         * target_tls.h: Move ...
 899         * config/posix/target_tls.h: ... here.
 900
 901 2009-07-07  Richard Henderson  <rth@redhat.com>
 902
 903         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
 904
 905 2009-07-07  Richard Henderson  <rth@redhat.com>
 906
 907         * Update to GPL3.
 908
 909 2009-07-07  Richard Henderson  <rth@redhat.com>
 910
 911         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
 912         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
 913
 914         * configure.tgt: Don't use -ftls-model for x86 linux.
 915         * libitm.h: Include target.h after standard includes.
 916         (_gtm_thr): Rename from gtm_thr.
 917         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
 918         (gtm_disp, set_gtm_disp): New.
 919         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
 920         retry.c, serial.c, useraction.c: Use accessor functions throughout.
 921         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
 922
 923 2009-07-07  Richard Henderson  <rth@redhat.com>
 924
 925         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
 926
 927 2009-07-06  Richard Henderson  <rth@redhat.com>
 928
 929         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
 930         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
 931         (_ITM_beginTransaction): Take variadic arguments.
 932         (_ITM_registerThrownObject): Declare.
 933         * beginend.c, serial.c: Update.
 934         * libitm.map: Add _ITM_registerThrownObject.
 935
 936 2009-01-28  Richard Henderson  <rth@redhat.com>
 937
 938         * Makefile.am (libitm_la_SOURCES): Add clone.c.
 939         * Makefile.in: Rebuild.
 940         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
 941         (GTM_restart_transaction): Fix uninstrumented code check.
 942         * retry.c (GTM_decide_retry_strategy): Add serial check.
 943         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
 944         automatically go irrevokable when in serial mode.
 945         * clone.c: New file.
 946         * libitm.h, libitm.map: Update.
 947
 948 2009-01-27  Richard Henderson  <rth@redhat.com>
 949
 950         * Makefile.am (LTCCASCOMPILE): Define.
 951         (libitm_la_SOURCES): Add methid-wbetl.c.
 952         * testsuite/Makefile.am: New
 953         * configure.ac: Add testsuite/Makefile.
 954         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
 955         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
 956         (_ITM_abortTransaction): Finalize implementation method; pass
 957         transaction properties to longjmp.
 958         (GTM_restart_transaction): Split out from ...
 959         (_ITM_commitTransaction): ... here.
 960         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
 961         Move to config/x86/target.h.
 962         * config/linux/alpha/futex_bits.h: New.
 963         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
 964         * config/x86/target.h: Disable target types for 32-bit.
 965         * config/alpha/sjlj.S, config/alpha/target.h: New.
 966         * libitm.h (struct gtm_dispatch): Add init, fini.
 967         (enum restart_reason): New.
 968         (struct gtm_transaction): Add method and restarts.
 969         * retry.c (GTM_decide_retry_strategy): Implement.
 970         * serial.c (serial_init, serial_fini): New.
 971         (GTM_serialmode): Finialize outgoing method.
 972         * method-wbetl.c: New.
 973
 974 2008-12-09  Richard Henderson  <rth@redhat.com>
 975
 976         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
 977         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
 978         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
 979         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
 980         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
 981         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
 982         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
 983         * serial.c (serial_R##T, serial_W##T): Likewise.
 984
 985 2008-11-21  Richard Henderson  <rth@redhat.com>
 986
 987         * Initial commit.