libitm/ChangeLog

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