libitm/ChangeLog

   1 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   2
   3         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
   4         .hidden.
   5         (.note.GNU-stack): Only use if __linux__.
   6         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
   7         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
   8         * testsuite/libitm.c/reentrant.c: Likewise.
   9         * testsuite/libitm.c/simple-2.c: Likewise.
  10         * testsuite/libitm.c/txrelease.c: Likewise.
  11         * testsuite/libitm.c++/static_ctor.C: Likewise.
  12
  13 2011-11-10  Richard Henderson  <rth@redhat.com>
  14
  15         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
  16         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
  17         * configure.ac (ARCH_X86_AVX): New conditional.
  18         * Makefile.in, configure: Rebuild.
  19
  20 2011-11-09  Richard Henderson  <rth@redhat.com>
  21
  22         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
  23         * configure.ac: Use it.
  24         * config.h.in, configure: Rebuild.
  25         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
  26
  27 2011-11-09  Richard Henderson  <rth@redhat.com>
  28
  29         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
  30         * config/alpha/unaligned.h: Remove file.
  31         * config/generic/unaligned.h: Remove file.
  32         * config/x86/unaligned.h: Remove file.
  33         * config/generic/cachepage.h: Remove file.
  34         * config/posix/cachepage.cc: Remove file.
  35         * config/generic/cacheline.cc: Remove file.
  36         * config/x86/cacheline.cc: Remove file.
  37         * config/generic/cacheline.h (gtm_cacheline): Remove the
  38         store_mask, copy_mask, copy_mask_wb methods.
  39         * config/x86/cacheline.h: Likewise.
  40         * config/alpha/cacheline.h: Fall back to generic after setting size.
  41         * config/generic/tls.cc (gtm_mask_stack): Remove.
  42         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
  43         (GTM_vpalignr_table): Remove.
  44         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
  45         (GTM_pshift_table): Remove.
  46         * config/libitm_i.h: Don't include cachepage.h.
  47         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
  48         * Makefile.in, testsuite/Makefile.in: Rebuild.
  49
  50 2011-11-09  Richard Henderson  <rth@redhat.com>
  51
  52         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
  53         to emit branch prediction hint.
  54
  55         * config/x86/sjlj.S: Protect elf directives with __ELF__.
  56         Protect .note.GNU-stack with __linux__.
  57
  58         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
  59         * configure, aclocal.m4, config.h.in: Rebuild.
  60         * config/generic/asmcfi.h: New file.
  61         * config/x86/sjlj.S: Use it.
  62
  63 2011-11-08  Richard Henderson  <rth@redhat.com>
  64
  65         * local.cc (_ITM_LB): Use a normal call, not a function alias.
  66
  67 2011-11-08  Richard Henderson  <rth@redhat.com>
  68
  69         * configure.tgt: Test correct directory for supported cpus.
  70
  71         * configure.ac: Exit if unsupported.
  72         * configure: Rebuild.
  73         * configure.tgt: Delete boilerplate from libgomp for unsupported
  74         targets.  Set UNSUPPORTED for unsupported targets.
  75
  76 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  77
  78         * configure.tgt: Handle i386 like i[456]86.
  79         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
  80         take address.
  81         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
  82         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
  83
  84 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
  85
  86         * method-wbetl.cc: Update copyright notice.
  87         * aatree.cc: Same.
  88         * util.cc: Same.
  89         * libitm.h: Same.
  90         * memset.cc: Same.
  91         * eh_cpp.cc: Same.
  92         * barrier.tpl: Same.
  93         * useraction.cc: Same.
  94         * stmlock.h: Same.
  95         * memcpy.cc: Same.
  96         * common.h: Same.
  97         * config/generic/tls.cc: Same.
  98         * config/generic/cacheline.h: Same.
  99         * config/generic/cachepage.h: Same.
 100         * config/generic/cacheline.cc: Same.
 101         * config/generic/unaligned.h: Same.
 102         * config/x86/cacheline.h: Same.
 103         * config/x86/cacheline.cc: Same.
 104         * config/x86/unaligned.h: Same.
 105         * config/alpha/cacheline.h: Same.
 106         * config/alpha/unaligned.h: Same.
 107         * config/alpha/sjlj.S: Same.
 108         * config/posix/cachepage.cc: Same.
 109         * config/linux/futex.h: Same.
 110         * config/linux/alpha/futex_bits.h: Same.
 111
 112 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 113
 114         * libitm.texi: No cover text and invariant sections.
 115
 116 2011-11-03  Richard Henderson  <rth@redhat.com>
 117
 118         * local_type_traits: New file.
 119         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 120
 121 2011-11-03  Richard Henderson  <rth@redhat.com>
 122
 123         * configure.ac: Don't test for gfortran.
 124         * configure: Rebuild.
 125
 126         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 127         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 128
 129 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 130
 131         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 132         * testsuite/libitm.c/memset-1.c: Same.
 133         * testsuite/libitm.c/c.exp: Same.
 134         * testsuite/lib/libitm-dg.exp: Same.
 135         * testsuite/lib/libitm.exp: Same.
 136         * testsuite/libitm.c++/c++.exp: Same.
 137
 138 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 139
 140         * testsuite/config/default.exp: Update copyright date.
 141         * configure.ac: Add copyright info.
 142         * configure.tgt: Same.
 143
 144 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 145
 146         * testsuite/libitm.c/reentrant.c: XFAIL.
 147         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 148
 149 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 150
 151         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 152         handle aborts.
 153         (_ITM_abortTransaction): Handle aborts of outer transactions.
 154         * libitm_i.h: Same.
 155         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 156         * libitm.texi: Document aborts of outer transactions.
 157         * testsuite/libitm.c/cancel.c: New file.
 158
 159 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 160
 161         * testsuite/*: Change __transaction to __transaction_atomic or
 162         __transaction_relaxed.
 163
 164 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 165
 166         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 167         (gtm_thr): Same.
 168
 169 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 170
 171         * libitm_i.h: Add gl_wt dispatch.
 172         * retry.cc (parse_default_method): Same.
 173         * method-gl.cc: New file.
 174         * Makefile.am: Use method-gl.cc.
 175         * Makefile.in: Rebuild.
 176
 177 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 178
 179         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 180         safety if requested by a TM method.
 181         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 182         privatization safety.
 183         * method-serial.cc: Same.
 184
 185 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 186
 187         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 188         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 189         undolog-related member functions from *_local to *_undolog.
 190         * local.cc (gtm_thread::commit_undolog): Same.
 191         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 192         (GTM::gtm_thread::rollback): Roll back undolog before
 193         dispatch-specific rollback.
 194
 195 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 196
 197         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 198         re-initialization of the current method group.
 199         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 200
 201 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 202
 203         * alloc.cc (commit_allocations_2): Do not free transaction-local
 204         memory when committing a nested transaction.
 205
 206 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 207
 208         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 209         serial-irrevocable dispatch, not serial.
 210
 211 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 212
 213         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 214         declarations.
 215         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 216         * method-serial.cc: Implement begin_or_restart().
 217         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 218         dispatch-specific begin_or_restart().
 219         (GTM::gtm_thread::restart): Same.
 220
 221 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 222
 223         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 224         restarting without switching to serial mode.
 225         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 226         transaction state. Choose closed-nesting alternative if available.
 227         (GTM::gtm_thread::set_default_dispatch): New.
 228         (parse_default_method): New.
 229         (GTM::gtm_thread::number_of_threads_changed): New.
 230         * method-serial.cc (GTM::serial_mg): New method group class.
 231         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 232         fini.
 233         (GTM::serial_dispatch): Same.
 234         (GTM::serialirr_onwrite_dispatch): Same.
 235         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 236         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 237         registered threads.
 238         (GTM::gtm_thread::gtm_thread): Same.
 239         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 240         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 241         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 242         choose dispatch but set state according to dispatch here.
 243         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 244         (GTM::method_group): New class.
 245         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 246         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 247         * libitm.texi: Document TM methods, method groups, method life cycle.
 248         Rename method sets to method groups.
 249
 250 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 251
 252         * config/x86/tls.h: Moved to ...
 253         * config/linux/x86/tls.h: ... here.
 254
 255 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 256
 257         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 258         Add X32 support.
 259         * config/x86/sjlj.S: Same.
 260
 261 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 262
 263         * config/linux/rwlock.h: New file.
 264         * config/linux/rwlock.c: New file.
 265         * configure.ac: Reenable futex support (undo SVN rev 157758).
 266         * Makefile.am: Same.
 267         * configure.tgt: Same.
 268         * config/linux/alpha/futex_bits.h: Same.
 269         * config/linux/futex.h: Same. Return number of woken processes.
 270         * config/linux/futex.cc: Same.
 271         (futex_wait): Remove spinning.
 272         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 273         Use __x86_64__ instead of __LP64__.
 274         * aclocal.m4: Include generic futex checks.
 275         * configure: Rebuild.
 276         * Makefile.in: Rebuild.
 277         * testsuite/Makefile.in: Rebuild.
 278         * beginend.cc: Include pthread.h.
 279         * config/posix/cachepage.cc: Same.
 280
 281 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 282
 283         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 284         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 285         (set_gtm_thr): New.
 286         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 287         (set_gtm_thr): New.
 288         (GTM::gtm_thread::thread_num): Removed.
 289         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 290         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 291         tx-to-thread renaming.
 292         * beginend.cc: Adapted to tx-to-thread renaming.
 293         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 294         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 295         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 296         gtm_transaction to gtm_thread.
 297         (_ITM_getThreadnum): Removed. Not supported anymore.
 298         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 299         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 300         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 301         gtm_tx-to-gtm_thr renaming if necessary.
 302         * eh_cpp.cc: Same.
 303         * local.cc: Same.
 304         * retry.cc: Same.
 305         * clone.cc: Same.
 306         * alloc.cc: Same.
 307         * alloc_c.cc: Same.
 308         * alloc_cpp.cc: Same.
 309         * method-serial.cc: Same.
 310         * config/generic/tls.cc: Same.
 311         * config/posix/rwlock.h (gtm_rwlock): Same.
 312         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 313
 314 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 315
 316         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 317         implementation.
 318         (gtm_rwlock::read_unlock): Same.
 319         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 320         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 321         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 322         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 323         w_upgrade. Replaced by per-transaction flags (in shared_state).
 324         Added c_confirmed_writers.
 325         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 326         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 327         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 328         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 329         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 330         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 331         * libitm.texi: Document locking conventions and implementations in
 332         libitm.
 333
 334 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 335
 336         * libitm_i.h (next_tx): Add list of all threads' transaction.
 337         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 338         transaction with list of transactions and ...
 339         (thread_exit_handler): ... deregister here.
 340         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 341         * config/x86/target.h: Same.
 342
 343 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 344
 345         * testsuite/libitm.c++/static_ctor.C: New file.
 346
 347 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 348
 349         * testsuite/libitm.c/reentrant.c: New file.
 350
 351 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 352
 353         * config/generic/tls.h: Remove the free list for transactions and ...
 354         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 355         (GTM::gtm_transaction::operator delete): ... and release here.
 356         (thread_exit_handler): New. Delete tx when thread terminates.
 357         (thread_exit_init): New.
 358         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 359         * testsuite/libitm.c/txrelease.c: New file.
 360
 361 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 362
 363         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 364         * testsuite/libitm.c/notx.c: New file.
 365
 366 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 367
 368         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 369         * libitm_i.h (local_tid): ... to here.
 370         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 371         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 372
 373 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 374
 375         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 376         serialirr_onwrite_dispatch as new default for now.
 377         * method-serial.cc (serialirr_onwrite_dispatch): New.
 378         (GTM::dispatch_serialirr_onwrite): New.
 379         * libitm_i.h: Same.
 380
 381 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 382
 383         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 384         * query.cc (_ITM_getTransactionId): There is no active transaction if
 385         the current nesting level is zero.
 386
 387 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 388
 389         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 390         rollback.
 391
 392 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 393
 394         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 395         transaction properties from the caller instead of from the
 396         transaction object.
 397         * libitm_i.h: Same.
 398         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 399
 400 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 401
 402         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 403         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 404         * dispatch.h: Same.
 405         * method-serial.cc: Same.
 406         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 407         flat nesting as default, and closed nesting on demand.
 408         (GTM::gtm_transaction::rollback): Same.
 409         (_ITM_abortTransaction): Same.
 410         (GTM::gtm_transaction::restart): Same.
 411         (GTM::gtm_transaction::trycommit): Same.
 412         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 413         (choose_code_path): New.
 414         (GTM::gtm_transaction_cp::save): New.
 415         (GTM::gtm_transaction_cp::commit): New.
 416         * query.cc (_ITM_inTransaction): Support flat nesting.
 417         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 418         (GTM::gtm_transaction): Support flat and closed nesting.
 419         * alloc.cc (commit_allocations_2): New.
 420         (commit_cb_data): New helper struct.
 421         (GTM::gtm_transaction::commit_allocations): Handle nested
 422         commits/rollbacks.
 423         * libitm.texi: Update user action section, add description of nesting.
 424
 425 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 426
 427         * libitm_i.h: Add closed nesting as restart reason.
 428         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 429
 430 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 431
 432         * useraction.cc: Use vector instead of list to store actions.
 433         Also support partial rollbacks for closed nesting.
 434         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 435         * beginend.cc: Same.
 436
 437 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 438
 439         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 440         closed_nesting flags, as well as a closed nesting alternative.
 441         * method-serial.cc: Same.
 442         (serial_dispatch): Renamed to serialirr_dispatch.
 443         (GTM::dispatch_serialirr): Same.
 444         (serial_dispatch_ul): Renamed to serial_dispatch.
 445         (GTM::dispatch_serial): Same.
 446
 447 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 448
 449         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 450
 451 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 452
 453         * aatree.h (aa_tree::remove): New.
 454         (aa_tree::operator new): Add placement new.
 455
 456 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 457
 458         * containers.h: New file.
 459         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 460         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 461         * common.h: ... to here.
 462         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 463         * local.cc: Same.
 464
 465 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 466
 467         * libitm_i.h (STATE_ABORTING): Remove.
 468         * beginend.cc (_ITM_abortTransaction): Same.
 469         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 470         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 471         (_ITM_rollbackTransaction): Remove.
 472         * beginend.cc: Same.
 473         * libitm.map: Same.
 474         * libitm.texi: Document these ABI changes.
 475
 476 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 477
 478         * libitm.texi: New file.
 479         * Makefile.am: Add libitm.texi.
 480         * Makefile.in: Rebuild.
 481
 482 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 483
 484         * libitm_i.h: Move parts to common.h and dispatch.h.
 485         * common.h: New file.
 486         * dispatch.h: New file, new dispatch class.
 487         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 488         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 489         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 490         decision to retry.cc.
 491         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 492         only.
 493         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 494         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 495         logging.
 496         * barrier.cc: Use new barriers definitions.
 497         (abi_dispatch::memmove_overlap_check): New.
 498         * config/x86/x86_sse.cc: Same.
 499         * config/x86/x86_avx.cc: Same.
 500         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 501         memcpy.cc.
 502         * Makefile.in: Rebuild.
 503         * method-readonly.cc: Remove.
 504         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 505         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 506
 507 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 508
 509         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 510         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 511         * testsuite/libitm.c/dropref-2.c: Same.
 512         * testsuite/libitm.c/dropref.c: Same.
 513
 514 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 515
 516         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 517         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 518         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 519         * alloc_c.cc: Same.
 520         * barrier.tpl: Same.
 521         * beginend.c: Same.
 522         * config/generic/tls.h: Same.
 523         * config/x86/tls.h: Same.
 524         * libitm_i.h: Same.
 525         * memcpy.cc: Same.
 526         * memset.cc: Same.
 527         * method-readonly.cc: Same.
 528         * method-serial.cc: Same.
 529         * method-wbetl.cc: Same.
 530         * retry.cc: Same.
 531
 532 2011-03-03  Richard Henderson  <rth@redhat.com>
 533
 534         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 535         From Patrik Marlier <patrick.marlier@unine.ch>.
 536
 537 2011-02-03  Richard Henderson  <rth@redhat.com>
 538
 539         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 540         * configure.ac: Use it.
 541         * configure, config.h.in: Rebuild.
 542         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 543         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 544         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 545         * libitm.map: Use wildcards to match size_t mangling.
 546
 547 2010-12-14  Richard Henderson  <rth@redhat.com>
 548
 549         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 550         blocks of TIDs per thread.
 551         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 552         (setup_gtm_thr): Return the thread structure.
 553         * config/x86/tls.h (setup_gtm_thr): Likewise.
 554
 555 2010-12-14  Richard Henderson  <rth@redhat.com>
 556
 557         * clone.cc (table_lock): Remove.
 558         (find_clone): Don't take it.
 559         (ExcludeTransaction): New helper class.
 560         (_ITM_registerTMCloneTable): Use it.
 561         (_ITM_deregisterTMCloneTable): Likewise.
 562
 563 2010-12-14  Richard Henderson  <rth@redhat.com>
 564
 565         * config/x86/tls.h: New file.
 566
 567 2010-07-15  Richard Henderson  <rth@redhat.com>
 568
 569         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 570         * Makefile.in: Rebuild.
 571
 572 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 573
 574         * method-wbetl.cc (trydropreference): Fix source line.
 575
 576 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 577
 578         * libitm.h: Add comment.
 579         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 580
 581 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 582
 583         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 584         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 585         available, use pthread mutexes.
 586         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 587         * config.h.in: Regenerate.
 588         * configure: Regenerate.
 589
 590 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 591
 592         * libitm.h (ITM_PURE): Define.
 593         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 594
 595 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 596
 597         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 598         (validate): Add comment.
 599         (trydropreference): New.
 600         * method-readonly.cc (class readonly_dispatch): Add
 601         trydropreference.
 602         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 603         Call trydropreference().
 604         * libitm.h (_ITM_dropReferences): Remove const attribute.
 605         * method-serial.cc (class serial_dispatch): Add trydropreference.
 606         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 607
 608 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 609
 610         * memcpy.cc (do_memcpy): Comment.
 611
 612 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 613
 614         * barrier.tpl: Add comments throughout.
 615
 616 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 617
 618         * method-wbetl.cc (struct w_entry): Add comments.
 619         (trycommit): Same.
 620         (rollback): Same.
 621
 622 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 623
 624         * alloc_c.cc (_ITM_dropReferences): New.
 625         * libitm.map (_ITM_dropReferences): Add.
 626         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 627         * libitm_i.h (struct gtm_transaction): Declare
 628         drop_references_allocations and drop_references_local.
 629         * local.cc (rollback_local): Ignore memory when applicable.
 630         (drop_references_local): New.
 631
 632 2010-06-23  Richard Henderson  <rth@redhat.com>
 633
 634         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 635         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 636         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 637         * config/alpha/target.h: Likewise.
 638         * config/generic/tls.cc (gtm_mask_stack): Use it.
 639
 640 2010-06-23  Richard Henderson  <rth@redhat.com>
 641
 642         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 643         a mutex instead of trying a lock-free compare-and-swap on the list.
 644         (gtm_cacheline_page::operator delete): Likewise.
 645
 646 2010-06-16  Richard Henderson  <rth@redhat.com>
 647
 648         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 649         that overlap the libitm stack.
 650         * barrier.tpl: Mark incoming stack.
 651         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 652         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 653         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 654         * memcpy.cc, memset.cc: Likewise.
 655         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 656         * config/generic/tls.h (gtm_thread): Add stack_top member.
 657         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 658         * libitm_i.h (gtm_mask_stack): Declare.
 659         * config/generic/tls.cc: New file.
 660         * Makefile.am (libitm_la_SOURCES): Add it.
 661         (AM_CXXFLAGS): Turn off exceptions.
 662         * Makefile.in: Rebuild.
 663
 664 2010-06-16  Richard Henderson  <rth@redhat.com>
 665
 666         * alloc.cc (struct gtm_alloc_action): Move definition ...
 667         * libitm_i.h: ... here.
 668         (class gtm_transaction): Declare new and delete.
 669         * beginend.cc (alloc_tx): Reformulate as operator new.
 670         (free_tx): Reformulate as operator delete.
 671         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 672
 673 2010-06-11  Richard Henderson  <rth@redhat.com>
 674
 675         * clone.cc (clone_entry_compare): Fix typo.
 676         From Patrik Marlier <patrick.marlier@unine.ch>.
 677
 678 2010-05-13  Richard Henderson  <rth@redhat.com>
 679
 680         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 681         in extern "C".
 682
 683 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 684
 685         * libitm_i.h (struct gtm_transaction): Remove
 686         get_allocation_size.
 687         (record_allocation): Remove size parameter.
 688         * libitm.map (_ITM_realloc): Remove.
 689         * alloc_c.cc (_ITM_realloc): Remove.
 690         (_ITM_malloc): Remove size argument to record_allocation.
 691         (_ITM_calloc): Same.
 692         * alloc_cpp.cc (_ZGTtnwm): Same.
 693         (_ZGTtnwmRKSt9nothrow_t): Same.
 694         (_ZGTtnam): Same.
 695         (_ZGTtnamRKSt9nothrow_t): Same.
 696         * alloc.cc (struct gtm_alloc_action): Remove size.
 697         (get_allocation_size): Remove.
 698         (commit_allocations): Add comment.
 699         (record_allocation): Remove size parameter.
 700         (forget_allocation): Remove set of size.
 701
 702 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 703
 704         * Makefile.am (abi_version): New.
 705         (AM_CXXFLAGS): Pass abi_version.
 706         * Makefile.in: Regenerate.
 707         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 708
 709 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 710
 711         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 712         _ITM_getTMCloneOrIrrevokable.
 713         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 714         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 715
 716 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 717
 718         * configure.ac: Remove Linux futex support.
 719         * configure.tgt (config_path): Same.
 720         * Makefile.am: Same.
 721         * config/linux: Remove entire directory.
 722         * configure: Rebuild.
 723         * Makefile.in: Rebuild.
 724         * testsuite/Makefile.in: Rebuild.
 725
 726 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 727
 728         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 729         switching to serial mode.
 730         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 731
 732 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 733
 734         * configure.tgt: Add emacs -*- tags.
 735         * barrier.tpl: Same.
 736
 737 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 738
 739         * Makefile.am: Rename serial.cc to method-serial.cc.
 740         * Makefile.in: Regenerate with automake 1.11.1.
 741         * testsuite/Makefile.in: Same.
 742         * aclocal.m4: Regenerate with aclocal 1.11.1.
 743         * method-serial.cc: Rename from serial.cc.
 744         * libitm_i.h (struct gtm_transaction): Update comment on
 745         serialirr_mode.
 746
 747 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 748
 749         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 750         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 751
 752 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 753
 754         * configure: Rebuild.
 755
 756 2009-11-12  Richard Henderson  <rth@redhat.com>
 757
 758         * Rewrite everything in C++.
 759
 760 2009-11-03  Richard Henderson  <rth@redhat.com>
 761
 762         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 763         * Makefile.am (libitm_la_SOURCES): Add them.
 764         * configure.ac (ARCH_X86): New conditional.
 765         * Makefile.in, configure: Rebuild.
 766         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 767         Move futex setup into "other system configury" case.
 768         * local.c (rollback_local): Merge into ...
 769         (GTM_rollback_local): ... here.
 770         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 771         (_ITM_LB): Define as an alias to GTM_LB.
 772
 773 2009-11-03  Richard Henderson  <rth@redhat.com>
 774
 775         * method-readonly.c: New file.
 776         * Makefile.am (libitm_la_SOURCES): Add it.
 777         * Makefile.in: Rebuild.
 778         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 779         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 780         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 781         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 782         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 783         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 784         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 785         gtm_get_clock, gtm_inc_clock): New.
 786         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 787         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 788         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 789         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 790         replace uses with new libitm_i.h symbols.
 791         (dispatch_wbetl): Rename from wbetl_dispatch.
 792         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 793         away from dispatch_readonly; abort if the beginTransaction call
 794         asserted that the transaction was readonly.
 795
 796 2009-11-03  Richard Henderson  <rth@redhat.com>
 797
 798         * memset.c: New file.
 799         * Makefile.am (libitm_la_SOURCES): Add it.
 800         * Makefile.in: Rebuild.
 801         * testsuite/libitm.c/memset-1.c: New.
 802
 803 2009-11-03  Richard Henderson  <rth@redhat.com>
 804
 805         * dispatch.c: Remove file.
 806         * useraction.c (struct gtm_user_action): Move from libitm.h.
 807         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 808         (serial_memset, serial_memmove, serial_memcpy): Remove.
 809         (serial_W*, serial_R*): Remove.
 810         (serial_dispatch): Update to match.
 811         * configure.ac: Move Werror down below configure checks.  Don't
 812         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 813         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 814         Use GCC_AC_FUNC_MMAP_BLACKLIST
 815         * libitm.h: Split out all internal items to...
 816         * libitm_i.h: ... here.  New file.
 817         * copymask.c: New file.
 818         * local.c (struct gtm_local_undo): Move from libitm.h.
 819         (GTM_alloc_local): Rename from alloc_local; export.
 820         * memcpy.c: New file.
 821         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 822         * config/posix/page.c: New file.
 823         * config/posix/target_tls.h: Remove file.
 824         * barrier.c: New file.
 825         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
 826         copymask.c, page.c.
 827         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
 828         * method-wbetl.c: Rewrite for new cacheline methods.
 829         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
 830
 831         * config/alpha/sjlj.S: Fix typo.
 832         * config/alpha/target_i.h: Copy functions from alpha/target.h.
 833         * config/alpha/copymask.c: New file.
 834         * config/alpha/target.h (CACHELINE_SIZE): New.
 835         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
 836
 837         * config/x86/target_i.h: Copy functions from x86/target.h.
 838         * config/x86/copymask.c: New file.
 839         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
 840         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
 841         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
 842         * config/x86/target_tls.h: Move contents to target_i.h.
 843
 844         * testsuite/libitm.c/clone-1.c: Include libitm.h.
 845         * testsuite/libitm.c/memcpy-1.c: New.
 846
 847 2009-10-22  Richard Henderson  <rth@redhat.com>
 848
 849         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
 850         (AM_CCASFLAGS): New.
 851         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
 852         saving/restoring _AC_ARG_VAR_PRECIOUS.
 853         * Makefile.in, aclocal.m4, config.h.in, configure,
 854         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
 855
 856 2009-10-22  Richard Henderson  <rth@redhat.com>
 857
 858         * testsuite/*: Update for new compiler syntax.
 859
 860 2009-10-21  Richard Henderson  <rth@redhat.com>
 861
 862         * libitm.h (_ITM_abortReason): Add outerAbort.
 863
 864 2009-08-03  Richard Henderson  <rth@redhat.com>
 865
 866         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
 867         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
 868         * method-wbetl.c (struct w_entry): Remove mask.
 869         (wbetl_write, wbetl_load): Return pointer to word containing the data;
 870         adjust all callers.
 871
 872 2009-07-22  Richard Henderson  <rth@redhat.com>
 873
 874         * eh_cpp.c: New file.
 875         * Makefile.am (libitm_la_SOURCES): Add it.
 876         * Makefile.in: Rebuild.
 877         * beginend.c (GTM_rollback_transaction): Undo exception state.
 878         (GTM_trycommit_transaction): Mark inline.
 879         (GTM_trycommit_and_finalize_transaction): Split out from ...
 880         (_ITM_commitTransaction): ... here.
 881         (_ITM_commitTransactionEH): New function.
 882         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
 883         cxa_unthrown, eh_in_flight; reorder.
 884
 885         * testsuite/libitm.c++/c++.exp: New.
 886         * testsuite/libitm.c++/eh-1.C: New.
 887
 888         * aatree.c (aa_free): Remove REGPARM.
 889         * aatree.h: Remove all REGPARM.
 890
 891 2009-07-18  Richard Henderson  <rth@redhat.com>
 892
 893         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
 894         * Makefile.am (libitm_la_SOURCES): Add them.
 895         * Makefile.in: Rebuild.
 896         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
 897         (GTM_trycommit_transaction): Likewise.
 898         * libitm.h: Include aatree.h
 899         (struct gtm_alloc_action): New.
 900         (struct gtm_transaction): Add alloc_actions.
 901         (GTM_record_allocation, GTM_forget_allocation): Declare.
 902         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
 903         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
 904         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
 905         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
 906         _ZGTtdaPvRKSt9nothrow_t): Export.
 907
 908 2009-07-18  Richard Henderson  <rth@redhat.com>
 909
 910         * target_tls.h: Move ...
 911         * config/posix/target_tls.h: ... here.
 912
 913 2009-07-07  Richard Henderson  <rth@redhat.com>
 914
 915         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
 916
 917 2009-07-07  Richard Henderson  <rth@redhat.com>
 918
 919         * Update to GPL3.
 920
 921 2009-07-07  Richard Henderson  <rth@redhat.com>
 922
 923         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
 924         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
 925
 926         * configure.tgt: Don't use -ftls-model for x86 linux.
 927         * libitm.h: Include target.h after standard includes.
 928         (_gtm_thr): Rename from gtm_thr.
 929         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
 930         (gtm_disp, set_gtm_disp): New.
 931         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
 932         retry.c, serial.c, useraction.c: Use accessor functions throughout.
 933         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
 934
 935 2009-07-07  Richard Henderson  <rth@redhat.com>
 936
 937         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
 938
 939 2009-07-06  Richard Henderson  <rth@redhat.com>
 940
 941         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
 942         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
 943         (_ITM_beginTransaction): Take variadic arguments.
 944         (_ITM_registerThrownObject): Declare.
 945         * beginend.c, serial.c: Update.
 946         * libitm.map: Add _ITM_registerThrownObject.
 947
 948 2009-01-28  Richard Henderson  <rth@redhat.com>
 949
 950         * Makefile.am (libitm_la_SOURCES): Add clone.c.
 951         * Makefile.in: Rebuild.
 952         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
 953         (GTM_restart_transaction): Fix uninstrumented code check.
 954         * retry.c (GTM_decide_retry_strategy): Add serial check.
 955         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
 956         automatically go irrevokable when in serial mode.
 957         * clone.c: New file.
 958         * libitm.h, libitm.map: Update.
 959
 960 2009-01-27  Richard Henderson  <rth@redhat.com>
 961
 962         * Makefile.am (LTCCASCOMPILE): Define.
 963         (libitm_la_SOURCES): Add methid-wbetl.c.
 964         * testsuite/Makefile.am: New
 965         * configure.ac: Add testsuite/Makefile.
 966         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
 967         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
 968         (_ITM_abortTransaction): Finalize implementation method; pass
 969         transaction properties to longjmp.
 970         (GTM_restart_transaction): Split out from ...
 971         (_ITM_commitTransaction): ... here.
 972         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
 973         Move to config/x86/target.h.
 974         * config/linux/alpha/futex_bits.h: New.
 975         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
 976         * config/x86/target.h: Disable target types for 32-bit.
 977         * config/alpha/sjlj.S, config/alpha/target.h: New.
 978         * libitm.h (struct gtm_dispatch): Add init, fini.
 979         (enum restart_reason): New.
 980         (struct gtm_transaction): Add method and restarts.
 981         * retry.c (GTM_decide_retry_strategy): Implement.
 982         * serial.c (serial_init, serial_fini): New.
 983         (GTM_serialmode): Finialize outgoing method.
 984         * method-wbetl.c: New.
 985
 986 2008-12-09  Richard Henderson  <rth@redhat.com>
 987
 988         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
 989         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
 990         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
 991         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
 992         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
 993         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
 994         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
 995         * serial.c (serial_R##T, serial_W##T): Likewise.
 996
 997 2008-11-21  Richard Henderson  <rth@redhat.com>
 998
 999         * Initial commit.