libitm/ChangeLog

   1 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
   2
   3         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
   4         * alloc_cpp.cc: Generate dummy functions if we don't
   5         HAVE_ELF_STYLE_WEAKREF.
   6         * eh_cpp.cc: Likewise.
   7         * configure: Regenerate.
   8         * aclocal.m4:  Likewise.
   9         * config.h.in: Likewise.
  10         * Makefile.in: Likewise.
  11         * testsuite/Makefile.in: Likewise.
  12
  13 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
  14
  15         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
  16         __USER_LABEL_PREFIX__ for targets that use it.
  17         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
  18         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
  19         in portability to non-elf targets.
  20         (GTM_longjmp): Likewise.
  21         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
  22         where required.
  23
  24 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
  25
  26         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
  27         * testsuite/libitm.c/memset-1.c: Likewise.
  28
  29 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
  30
  31         * configure: Regenerate.
  32
  33 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  34
  35         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
  36         (LIBITM_ENABLE_SYMVERS): Handle sun style.
  37         * Makefile.am: Handle sun style versioning.
  38         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
  39         * configure: Regenerate.
  40         * Makefile.in: Regenerate.
  41
  42 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  43
  44         * config/generic/asmcfi.h: Fix comment.
  45         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
  46         sequence without .hidden support, error for non-ELF targets.
  47         (GTM_longjmp) [__ELF__]: Only use .hidden if
  48         HAVE_ATTRIBUTE_VISIBILITY.
  49
  50 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  51
  52         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
  53         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
  54         Dummy functions.
  55         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
  56         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
  57
  58 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
  59
  60         PR bootstrap/51098
  61         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
  62         * configure: Regenerate.
  63
  64 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
  65
  66         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
  67
  68 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  69
  70         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
  71         .hidden.
  72         (.note.GNU-stack): Only use if __linux__.
  73         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
  74         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
  75         * testsuite/libitm.c/reentrant.c: Likewise.
  76         * testsuite/libitm.c/simple-2.c: Likewise.
  77         * testsuite/libitm.c/txrelease.c: Likewise.
  78         * testsuite/libitm.c++/static_ctor.C: Likewise.
  79
  80 2011-11-10  Richard Henderson  <rth@redhat.com>
  81
  82         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
  83         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
  84         * configure.ac (ARCH_X86_AVX): New conditional.
  85         * Makefile.in, configure: Rebuild.
  86
  87 2011-11-09  Richard Henderson  <rth@redhat.com>
  88
  89         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
  90         * configure.ac: Use it.
  91         * config.h.in, configure: Rebuild.
  92         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
  93
  94 2011-11-09  Richard Henderson  <rth@redhat.com>
  95
  96         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
  97         * config/alpha/unaligned.h: Remove file.
  98         * config/generic/unaligned.h: Remove file.
  99         * config/x86/unaligned.h: Remove file.
 100         * config/generic/cachepage.h: Remove file.
 101         * config/posix/cachepage.cc: Remove file.
 102         * config/generic/cacheline.cc: Remove file.
 103         * config/x86/cacheline.cc: Remove file.
 104         * config/generic/cacheline.h (gtm_cacheline): Remove the
 105         store_mask, copy_mask, copy_mask_wb methods.
 106         * config/x86/cacheline.h: Likewise.
 107         * config/alpha/cacheline.h: Fall back to generic after setting size.
 108         * config/generic/tls.cc (gtm_mask_stack): Remove.
 109         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 110         (GTM_vpalignr_table): Remove.
 111         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 112         (GTM_pshift_table): Remove.
 113         * config/libitm_i.h: Don't include cachepage.h.
 114         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 115         * Makefile.in, testsuite/Makefile.in: Rebuild.
 116
 117 2011-11-09  Richard Henderson  <rth@redhat.com>
 118
 119         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 120         to emit branch prediction hint.
 121
 122         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 123         Protect .note.GNU-stack with __linux__.
 124
 125         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 126         * configure, aclocal.m4, config.h.in: Rebuild.
 127         * config/generic/asmcfi.h: New file.
 128         * config/x86/sjlj.S: Use it.
 129
 130 2011-11-08  Richard Henderson  <rth@redhat.com>
 131
 132         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 133
 134 2011-11-08  Richard Henderson  <rth@redhat.com>
 135
 136         * configure.tgt: Test correct directory for supported cpus.
 137
 138         * configure.ac: Exit if unsupported.
 139         * configure: Rebuild.
 140         * configure.tgt: Delete boilerplate from libgomp for unsupported
 141         targets.  Set UNSUPPORTED for unsupported targets.
 142
 143 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 144
 145         * configure.tgt: Handle i386 like i[456]86.
 146         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 147         take address.
 148         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 149         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 150
 151 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 152
 153         * method-wbetl.cc: Update copyright notice.
 154         * aatree.cc: Same.
 155         * util.cc: Same.
 156         * libitm.h: Same.
 157         * memset.cc: Same.
 158         * eh_cpp.cc: Same.
 159         * barrier.tpl: Same.
 160         * useraction.cc: Same.
 161         * stmlock.h: Same.
 162         * memcpy.cc: Same.
 163         * common.h: Same.
 164         * config/generic/tls.cc: Same.
 165         * config/generic/cacheline.h: Same.
 166         * config/generic/cachepage.h: Same.
 167         * config/generic/cacheline.cc: Same.
 168         * config/generic/unaligned.h: Same.
 169         * config/x86/cacheline.h: Same.
 170         * config/x86/cacheline.cc: Same.
 171         * config/x86/unaligned.h: Same.
 172         * config/alpha/cacheline.h: Same.
 173         * config/alpha/unaligned.h: Same.
 174         * config/alpha/sjlj.S: Same.
 175         * config/posix/cachepage.cc: Same.
 176         * config/linux/futex.h: Same.
 177         * config/linux/alpha/futex_bits.h: Same.
 178
 179 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 180
 181         * libitm.texi: No cover text and invariant sections.
 182
 183 2011-11-03  Richard Henderson  <rth@redhat.com>
 184
 185         * local_type_traits: New file.
 186         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 187
 188 2011-11-03  Richard Henderson  <rth@redhat.com>
 189
 190         * configure.ac: Don't test for gfortran.
 191         * configure: Rebuild.
 192
 193         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 194         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 195
 196 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 197
 198         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 199         * testsuite/libitm.c/memset-1.c: Same.
 200         * testsuite/libitm.c/c.exp: Same.
 201         * testsuite/lib/libitm-dg.exp: Same.
 202         * testsuite/lib/libitm.exp: Same.
 203         * testsuite/libitm.c++/c++.exp: Same.
 204
 205 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 206
 207         * testsuite/config/default.exp: Update copyright date.
 208         * configure.ac: Add copyright info.
 209         * configure.tgt: Same.
 210
 211 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 212
 213         * testsuite/libitm.c/reentrant.c: XFAIL.
 214         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 215
 216 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 217
 218         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 219         handle aborts.
 220         (_ITM_abortTransaction): Handle aborts of outer transactions.
 221         * libitm_i.h: Same.
 222         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 223         * libitm.texi: Document aborts of outer transactions.
 224         * testsuite/libitm.c/cancel.c: New file.
 225
 226 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 227
 228         * testsuite/*: Change __transaction to __transaction_atomic or
 229         __transaction_relaxed.
 230
 231 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 232
 233         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 234         (gtm_thr): Same.
 235
 236 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 237
 238         * libitm_i.h: Add gl_wt dispatch.
 239         * retry.cc (parse_default_method): Same.
 240         * method-gl.cc: New file.
 241         * Makefile.am: Use method-gl.cc.
 242         * Makefile.in: Rebuild.
 243
 244 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 245
 246         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 247         safety if requested by a TM method.
 248         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 249         privatization safety.
 250         * method-serial.cc: Same.
 251
 252 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 253
 254         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 255         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 256         undolog-related member functions from *_local to *_undolog.
 257         * local.cc (gtm_thread::commit_undolog): Same.
 258         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 259         (GTM::gtm_thread::rollback): Roll back undolog before
 260         dispatch-specific rollback.
 261
 262 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 263
 264         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 265         re-initialization of the current method group.
 266         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 267
 268 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 269
 270         * alloc.cc (commit_allocations_2): Do not free transaction-local
 271         memory when committing a nested transaction.
 272
 273 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 274
 275         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 276         serial-irrevocable dispatch, not serial.
 277
 278 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 279
 280         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 281         declarations.
 282         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 283         * method-serial.cc: Implement begin_or_restart().
 284         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 285         dispatch-specific begin_or_restart().
 286         (GTM::gtm_thread::restart): Same.
 287
 288 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 289
 290         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 291         restarting without switching to serial mode.
 292         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 293         transaction state. Choose closed-nesting alternative if available.
 294         (GTM::gtm_thread::set_default_dispatch): New.
 295         (parse_default_method): New.
 296         (GTM::gtm_thread::number_of_threads_changed): New.
 297         * method-serial.cc (GTM::serial_mg): New method group class.
 298         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 299         fini.
 300         (GTM::serial_dispatch): Same.
 301         (GTM::serialirr_onwrite_dispatch): Same.
 302         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 303         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 304         registered threads.
 305         (GTM::gtm_thread::gtm_thread): Same.
 306         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 307         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 308         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 309         choose dispatch but set state according to dispatch here.
 310         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 311         (GTM::method_group): New class.
 312         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 313         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 314         * libitm.texi: Document TM methods, method groups, method life cycle.
 315         Rename method sets to method groups.
 316
 317 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 318
 319         * config/x86/tls.h: Moved to ...
 320         * config/linux/x86/tls.h: ... here.
 321
 322 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 323
 324         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 325         Add X32 support.
 326         * config/x86/sjlj.S: Same.
 327
 328 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 329
 330         * config/linux/rwlock.h: New file.
 331         * config/linux/rwlock.c: New file.
 332         * configure.ac: Reenable futex support (undo SVN rev 157758).
 333         * Makefile.am: Same.
 334         * configure.tgt: Same.
 335         * config/linux/alpha/futex_bits.h: Same.
 336         * config/linux/futex.h: Same. Return number of woken processes.
 337         * config/linux/futex.cc: Same.
 338         (futex_wait): Remove spinning.
 339         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 340         Use __x86_64__ instead of __LP64__.
 341         * aclocal.m4: Include generic futex checks.
 342         * configure: Rebuild.
 343         * Makefile.in: Rebuild.
 344         * testsuite/Makefile.in: Rebuild.
 345         * beginend.cc: Include pthread.h.
 346         * config/posix/cachepage.cc: Same.
 347
 348 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 349
 350         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 351         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 352         (set_gtm_thr): New.
 353         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 354         (set_gtm_thr): New.
 355         (GTM::gtm_thread::thread_num): Removed.
 356         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 357         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 358         tx-to-thread renaming.
 359         * beginend.cc: Adapted to tx-to-thread renaming.
 360         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 361         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 362         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 363         gtm_transaction to gtm_thread.
 364         (_ITM_getThreadnum): Removed. Not supported anymore.
 365         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 366         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 367         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 368         gtm_tx-to-gtm_thr renaming if necessary.
 369         * eh_cpp.cc: Same.
 370         * local.cc: Same.
 371         * retry.cc: Same.
 372         * clone.cc: Same.
 373         * alloc.cc: Same.
 374         * alloc_c.cc: Same.
 375         * alloc_cpp.cc: Same.
 376         * method-serial.cc: Same.
 377         * config/generic/tls.cc: Same.
 378         * config/posix/rwlock.h (gtm_rwlock): Same.
 379         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 380
 381 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 382
 383         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 384         implementation.
 385         (gtm_rwlock::read_unlock): Same.
 386         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 387         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 388         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 389         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 390         w_upgrade. Replaced by per-transaction flags (in shared_state).
 391         Added c_confirmed_writers.
 392         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 393         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 394         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 395         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 396         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 397         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 398         * libitm.texi: Document locking conventions and implementations in
 399         libitm.
 400
 401 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 402
 403         * libitm_i.h (next_tx): Add list of all threads' transaction.
 404         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 405         transaction with list of transactions and ...
 406         (thread_exit_handler): ... deregister here.
 407         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 408         * config/x86/target.h: Same.
 409
 410 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 411
 412         * testsuite/libitm.c++/static_ctor.C: New file.
 413
 414 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 415
 416         * testsuite/libitm.c/reentrant.c: New file.
 417
 418 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 419
 420         * config/generic/tls.h: Remove the free list for transactions and ...
 421         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 422         (GTM::gtm_transaction::operator delete): ... and release here.
 423         (thread_exit_handler): New. Delete tx when thread terminates.
 424         (thread_exit_init): New.
 425         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 426         * testsuite/libitm.c/txrelease.c: New file.
 427
 428 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 429
 430         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 431         * testsuite/libitm.c/notx.c: New file.
 432
 433 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 434
 435         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 436         * libitm_i.h (local_tid): ... to here.
 437         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 438         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 439
 440 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 441
 442         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 443         serialirr_onwrite_dispatch as new default for now.
 444         * method-serial.cc (serialirr_onwrite_dispatch): New.
 445         (GTM::dispatch_serialirr_onwrite): New.
 446         * libitm_i.h: Same.
 447
 448 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 449
 450         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 451         * query.cc (_ITM_getTransactionId): There is no active transaction if
 452         the current nesting level is zero.
 453
 454 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 455
 456         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 457         rollback.
 458
 459 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 460
 461         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 462         transaction properties from the caller instead of from the
 463         transaction object.
 464         * libitm_i.h: Same.
 465         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 466
 467 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 468
 469         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 470         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 471         * dispatch.h: Same.
 472         * method-serial.cc: Same.
 473         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 474         flat nesting as default, and closed nesting on demand.
 475         (GTM::gtm_transaction::rollback): Same.
 476         (_ITM_abortTransaction): Same.
 477         (GTM::gtm_transaction::restart): Same.
 478         (GTM::gtm_transaction::trycommit): Same.
 479         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 480         (choose_code_path): New.
 481         (GTM::gtm_transaction_cp::save): New.
 482         (GTM::gtm_transaction_cp::commit): New.
 483         * query.cc (_ITM_inTransaction): Support flat nesting.
 484         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 485         (GTM::gtm_transaction): Support flat and closed nesting.
 486         * alloc.cc (commit_allocations_2): New.
 487         (commit_cb_data): New helper struct.
 488         (GTM::gtm_transaction::commit_allocations): Handle nested
 489         commits/rollbacks.
 490         * libitm.texi: Update user action section, add description of nesting.
 491
 492 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 493
 494         * libitm_i.h: Add closed nesting as restart reason.
 495         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 496
 497 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 498
 499         * useraction.cc: Use vector instead of list to store actions.
 500         Also support partial rollbacks for closed nesting.
 501         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 502         * beginend.cc: Same.
 503
 504 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 505
 506         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 507         closed_nesting flags, as well as a closed nesting alternative.
 508         * method-serial.cc: Same.
 509         (serial_dispatch): Renamed to serialirr_dispatch.
 510         (GTM::dispatch_serialirr): Same.
 511         (serial_dispatch_ul): Renamed to serial_dispatch.
 512         (GTM::dispatch_serial): Same.
 513
 514 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 515
 516         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 517
 518 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 519
 520         * aatree.h (aa_tree::remove): New.
 521         (aa_tree::operator new): Add placement new.
 522
 523 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 524
 525         * containers.h: New file.
 526         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 527         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 528         * common.h: ... to here.
 529         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 530         * local.cc: Same.
 531
 532 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 533
 534         * libitm_i.h (STATE_ABORTING): Remove.
 535         * beginend.cc (_ITM_abortTransaction): Same.
 536         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 537         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 538         (_ITM_rollbackTransaction): Remove.
 539         * beginend.cc: Same.
 540         * libitm.map: Same.
 541         * libitm.texi: Document these ABI changes.
 542
 543 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 544
 545         * libitm.texi: New file.
 546         * Makefile.am: Add libitm.texi.
 547         * Makefile.in: Rebuild.
 548
 549 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 550
 551         * libitm_i.h: Move parts to common.h and dispatch.h.
 552         * common.h: New file.
 553         * dispatch.h: New file, new dispatch class.
 554         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 555         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 556         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 557         decision to retry.cc.
 558         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 559         only.
 560         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 561         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 562         logging.
 563         * barrier.cc: Use new barriers definitions.
 564         (abi_dispatch::memmove_overlap_check): New.
 565         * config/x86/x86_sse.cc: Same.
 566         * config/x86/x86_avx.cc: Same.
 567         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 568         memcpy.cc.
 569         * Makefile.in: Rebuild.
 570         * method-readonly.cc: Remove.
 571         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 572         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 573
 574 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 575
 576         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 577         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 578         * testsuite/libitm.c/dropref-2.c: Same.
 579         * testsuite/libitm.c/dropref.c: Same.
 580
 581 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 582
 583         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 584         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 585         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 586         * alloc_c.cc: Same.
 587         * barrier.tpl: Same.
 588         * beginend.c: Same.
 589         * config/generic/tls.h: Same.
 590         * config/x86/tls.h: Same.
 591         * libitm_i.h: Same.
 592         * memcpy.cc: Same.
 593         * memset.cc: Same.
 594         * method-readonly.cc: Same.
 595         * method-serial.cc: Same.
 596         * method-wbetl.cc: Same.
 597         * retry.cc: Same.
 598
 599 2011-03-03  Richard Henderson  <rth@redhat.com>
 600
 601         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 602         From Patrik Marlier <patrick.marlier@unine.ch>.
 603
 604 2011-02-03  Richard Henderson  <rth@redhat.com>
 605
 606         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 607         * configure.ac: Use it.
 608         * configure, config.h.in: Rebuild.
 609         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 610         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 611         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 612         * libitm.map: Use wildcards to match size_t mangling.
 613
 614 2010-12-14  Richard Henderson  <rth@redhat.com>
 615
 616         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 617         blocks of TIDs per thread.
 618         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 619         (setup_gtm_thr): Return the thread structure.
 620         * config/x86/tls.h (setup_gtm_thr): Likewise.
 621
 622 2010-12-14  Richard Henderson  <rth@redhat.com>
 623
 624         * clone.cc (table_lock): Remove.
 625         (find_clone): Don't take it.
 626         (ExcludeTransaction): New helper class.
 627         (_ITM_registerTMCloneTable): Use it.
 628         (_ITM_deregisterTMCloneTable): Likewise.
 629
 630 2010-12-14  Richard Henderson  <rth@redhat.com>
 631
 632         * config/x86/tls.h: New file.
 633
 634 2010-07-15  Richard Henderson  <rth@redhat.com>
 635
 636         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 637         * Makefile.in: Rebuild.
 638
 639 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 640
 641         * method-wbetl.cc (trydropreference): Fix source line.
 642
 643 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 644
 645         * libitm.h: Add comment.
 646         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 647
 648 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 649
 650         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 651         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 652         available, use pthread mutexes.
 653         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 654         * config.h.in: Regenerate.
 655         * configure: Regenerate.
 656
 657 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 658
 659         * libitm.h (ITM_PURE): Define.
 660         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 661
 662 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 663
 664         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 665         (validate): Add comment.
 666         (trydropreference): New.
 667         * method-readonly.cc (class readonly_dispatch): Add
 668         trydropreference.
 669         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 670         Call trydropreference().
 671         * libitm.h (_ITM_dropReferences): Remove const attribute.
 672         * method-serial.cc (class serial_dispatch): Add trydropreference.
 673         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 674
 675 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 676
 677         * memcpy.cc (do_memcpy): Comment.
 678
 679 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 680
 681         * barrier.tpl: Add comments throughout.
 682
 683 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 684
 685         * method-wbetl.cc (struct w_entry): Add comments.
 686         (trycommit): Same.
 687         (rollback): Same.
 688
 689 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 690
 691         * alloc_c.cc (_ITM_dropReferences): New.
 692         * libitm.map (_ITM_dropReferences): Add.
 693         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 694         * libitm_i.h (struct gtm_transaction): Declare
 695         drop_references_allocations and drop_references_local.
 696         * local.cc (rollback_local): Ignore memory when applicable.
 697         (drop_references_local): New.
 698
 699 2010-06-23  Richard Henderson  <rth@redhat.com>
 700
 701         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 702         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 703         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 704         * config/alpha/target.h: Likewise.
 705         * config/generic/tls.cc (gtm_mask_stack): Use it.
 706
 707 2010-06-23  Richard Henderson  <rth@redhat.com>
 708
 709         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 710         a mutex instead of trying a lock-free compare-and-swap on the list.
 711         (gtm_cacheline_page::operator delete): Likewise.
 712
 713 2010-06-16  Richard Henderson  <rth@redhat.com>
 714
 715         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 716         that overlap the libitm stack.
 717         * barrier.tpl: Mark incoming stack.
 718         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 719         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 720         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 721         * memcpy.cc, memset.cc: Likewise.
 722         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 723         * config/generic/tls.h (gtm_thread): Add stack_top member.
 724         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 725         * libitm_i.h (gtm_mask_stack): Declare.
 726         * config/generic/tls.cc: New file.
 727         * Makefile.am (libitm_la_SOURCES): Add it.
 728         (AM_CXXFLAGS): Turn off exceptions.
 729         * Makefile.in: Rebuild.
 730
 731 2010-06-16  Richard Henderson  <rth@redhat.com>
 732
 733         * alloc.cc (struct gtm_alloc_action): Move definition ...
 734         * libitm_i.h: ... here.
 735         (class gtm_transaction): Declare new and delete.
 736         * beginend.cc (alloc_tx): Reformulate as operator new.
 737         (free_tx): Reformulate as operator delete.
 738         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 739
 740 2010-06-11  Richard Henderson  <rth@redhat.com>
 741
 742         * clone.cc (clone_entry_compare): Fix typo.
 743         From Patrik Marlier <patrick.marlier@unine.ch>.
 744
 745 2010-05-13  Richard Henderson  <rth@redhat.com>
 746
 747         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 748         in extern "C".
 749
 750 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 751
 752         * libitm_i.h (struct gtm_transaction): Remove
 753         get_allocation_size.
 754         (record_allocation): Remove size parameter.
 755         * libitm.map (_ITM_realloc): Remove.
 756         * alloc_c.cc (_ITM_realloc): Remove.
 757         (_ITM_malloc): Remove size argument to record_allocation.
 758         (_ITM_calloc): Same.
 759         * alloc_cpp.cc (_ZGTtnwm): Same.
 760         (_ZGTtnwmRKSt9nothrow_t): Same.
 761         (_ZGTtnam): Same.
 762         (_ZGTtnamRKSt9nothrow_t): Same.
 763         * alloc.cc (struct gtm_alloc_action): Remove size.
 764         (get_allocation_size): Remove.
 765         (commit_allocations): Add comment.
 766         (record_allocation): Remove size parameter.
 767         (forget_allocation): Remove set of size.
 768
 769 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 770
 771         * Makefile.am (abi_version): New.
 772         (AM_CXXFLAGS): Pass abi_version.
 773         * Makefile.in: Regenerate.
 774         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 775
 776 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 777
 778         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 779         _ITM_getTMCloneOrIrrevokable.
 780         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 781         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 782
 783 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 784
 785         * configure.ac: Remove Linux futex support.
 786         * configure.tgt (config_path): Same.
 787         * Makefile.am: Same.
 788         * config/linux: Remove entire directory.
 789         * configure: Rebuild.
 790         * Makefile.in: Rebuild.
 791         * testsuite/Makefile.in: Rebuild.
 792
 793 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 794
 795         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 796         switching to serial mode.
 797         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 798
 799 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 800
 801         * configure.tgt: Add emacs -*- tags.
 802         * barrier.tpl: Same.
 803
 804 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 805
 806         * Makefile.am: Rename serial.cc to method-serial.cc.
 807         * Makefile.in: Regenerate with automake 1.11.1.
 808         * testsuite/Makefile.in: Same.
 809         * aclocal.m4: Regenerate with aclocal 1.11.1.
 810         * method-serial.cc: Rename from serial.cc.
 811         * libitm_i.h (struct gtm_transaction): Update comment on
 812         serialirr_mode.
 813
 814 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 815
 816         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 817         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 818
 819 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 820
 821         * configure: Rebuild.
 822
 823 2009-11-12  Richard Henderson  <rth@redhat.com>
 824
 825         * Rewrite everything in C++.
 826
 827 2009-11-03  Richard Henderson  <rth@redhat.com>
 828
 829         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 830         * Makefile.am (libitm_la_SOURCES): Add them.
 831         * configure.ac (ARCH_X86): New conditional.
 832         * Makefile.in, configure: Rebuild.
 833         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 834         Move futex setup into "other system configury" case.
 835         * local.c (rollback_local): Merge into ...
 836         (GTM_rollback_local): ... here.
 837         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 838         (_ITM_LB): Define as an alias to GTM_LB.
 839
 840 2009-11-03  Richard Henderson  <rth@redhat.com>
 841
 842         * method-readonly.c: New file.
 843         * Makefile.am (libitm_la_SOURCES): Add it.
 844         * Makefile.in: Rebuild.
 845         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 846         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 847         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 848         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 849         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 850         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 851         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 852         gtm_get_clock, gtm_inc_clock): New.
 853         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 854         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 855         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 856         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 857         replace uses with new libitm_i.h symbols.
 858         (dispatch_wbetl): Rename from wbetl_dispatch.
 859         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 860         away from dispatch_readonly; abort if the beginTransaction call
 861         asserted that the transaction was readonly.
 862
 863 2009-11-03  Richard Henderson  <rth@redhat.com>
 864
 865         * memset.c: New file.
 866         * Makefile.am (libitm_la_SOURCES): Add it.
 867         * Makefile.in: Rebuild.
 868         * testsuite/libitm.c/memset-1.c: New.
 869
 870 2009-11-03  Richard Henderson  <rth@redhat.com>
 871
 872         * dispatch.c: Remove file.
 873         * useraction.c (struct gtm_user_action): Move from libitm.h.
 874         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 875         (serial_memset, serial_memmove, serial_memcpy): Remove.
 876         (serial_W*, serial_R*): Remove.
 877         (serial_dispatch): Update to match.
 878         * configure.ac: Move Werror down below configure checks.  Don't
 879         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 880         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 881         Use GCC_AC_FUNC_MMAP_BLACKLIST
 882         * libitm.h: Split out all internal items to...
 883         * libitm_i.h: ... here.  New file.
 884         * copymask.c: New file.
 885         * local.c (struct gtm_local_undo): Move from libitm.h.
 886         (GTM_alloc_local): Rename from alloc_local; export.
 887         * memcpy.c: New file.
 888         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 889         * config/posix/page.c: New file.
 890         * config/posix/target_tls.h: Remove file.
 891         * barrier.c: New file.
 892         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
 893         copymask.c, page.c.
 894         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
 895         * method-wbetl.c: Rewrite for new cacheline methods.
 896         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
 897
 898         * config/alpha/sjlj.S: Fix typo.
 899         * config/alpha/target_i.h: Copy functions from alpha/target.h.
 900         * config/alpha/copymask.c: New file.
 901         * config/alpha/target.h (CACHELINE_SIZE): New.
 902         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
 903
 904         * config/x86/target_i.h: Copy functions from x86/target.h.
 905         * config/x86/copymask.c: New file.
 906         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
 907         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
 908         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
 909         * config/x86/target_tls.h: Move contents to target_i.h.
 910
 911         * testsuite/libitm.c/clone-1.c: Include libitm.h.
 912         * testsuite/libitm.c/memcpy-1.c: New.
 913
 914 2009-10-22  Richard Henderson  <rth@redhat.com>
 915
 916         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
 917         (AM_CCASFLAGS): New.
 918         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
 919         saving/restoring _AC_ARG_VAR_PRECIOUS.
 920         * Makefile.in, aclocal.m4, config.h.in, configure,
 921         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
 922
 923 2009-10-22  Richard Henderson  <rth@redhat.com>
 924
 925         * testsuite/*: Update for new compiler syntax.
 926
 927 2009-10-21  Richard Henderson  <rth@redhat.com>
 928
 929         * libitm.h (_ITM_abortReason): Add outerAbort.
 930
 931 2009-08-03  Richard Henderson  <rth@redhat.com>
 932
 933         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
 934         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
 935         * method-wbetl.c (struct w_entry): Remove mask.
 936         (wbetl_write, wbetl_load): Return pointer to word containing the data;
 937         adjust all callers.
 938
 939 2009-07-22  Richard Henderson  <rth@redhat.com>
 940
 941         * eh_cpp.c: New file.
 942         * Makefile.am (libitm_la_SOURCES): Add it.
 943         * Makefile.in: Rebuild.
 944         * beginend.c (GTM_rollback_transaction): Undo exception state.
 945         (GTM_trycommit_transaction): Mark inline.
 946         (GTM_trycommit_and_finalize_transaction): Split out from ...
 947         (_ITM_commitTransaction): ... here.
 948         (_ITM_commitTransactionEH): New function.
 949         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
 950         cxa_unthrown, eh_in_flight; reorder.
 951
 952         * testsuite/libitm.c++/c++.exp: New.
 953         * testsuite/libitm.c++/eh-1.C: New.
 954
 955         * aatree.c (aa_free): Remove REGPARM.
 956         * aatree.h: Remove all REGPARM.
 957
 958 2009-07-18  Richard Henderson  <rth@redhat.com>
 959
 960         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
 961         * Makefile.am (libitm_la_SOURCES): Add them.
 962         * Makefile.in: Rebuild.
 963         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
 964         (GTM_trycommit_transaction): Likewise.
 965         * libitm.h: Include aatree.h
 966         (struct gtm_alloc_action): New.
 967         (struct gtm_transaction): Add alloc_actions.
 968         (GTM_record_allocation, GTM_forget_allocation): Declare.
 969         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
 970         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
 971         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
 972         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
 973         _ZGTtdaPvRKSt9nothrow_t): Export.
 974
 975 2009-07-18  Richard Henderson  <rth@redhat.com>
 976
 977         * target_tls.h: Move ...
 978         * config/posix/target_tls.h: ... here.
 979
 980 2009-07-07  Richard Henderson  <rth@redhat.com>
 981
 982         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
 983
 984 2009-07-07  Richard Henderson  <rth@redhat.com>
 985
 986         * Update to GPL3.
 987
 988 2009-07-07  Richard Henderson  <rth@redhat.com>
 989
 990         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
 991         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
 992
 993         * configure.tgt: Don't use -ftls-model for x86 linux.
 994         * libitm.h: Include target.h after standard includes.
 995         (_gtm_thr): Rename from gtm_thr.
 996         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
 997         (gtm_disp, set_gtm_disp): New.
 998         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
 999         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1000         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1001
1002 2009-07-07  Richard Henderson  <rth@redhat.com>
1003
1004         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1005
1006 2009-07-06  Richard Henderson  <rth@redhat.com>
1007
1008         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1009         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1010         (_ITM_beginTransaction): Take variadic arguments.
1011         (_ITM_registerThrownObject): Declare.
1012         * beginend.c, serial.c: Update.
1013         * libitm.map: Add _ITM_registerThrownObject.
1014
1015 2009-01-28  Richard Henderson  <rth@redhat.com>
1016
1017         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1018         * Makefile.in: Rebuild.
1019         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1020         (GTM_restart_transaction): Fix uninstrumented code check.
1021         * retry.c (GTM_decide_retry_strategy): Add serial check.
1022         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1023         automatically go irrevokable when in serial mode.
1024         * clone.c: New file.
1025         * libitm.h, libitm.map: Update.
1026
1027 2009-01-27  Richard Henderson  <rth@redhat.com>
1028
1029         * Makefile.am (LTCCASCOMPILE): Define.
1030         (libitm_la_SOURCES): Add methid-wbetl.c.
1031         * testsuite/Makefile.am: New
1032         * configure.ac: Add testsuite/Makefile.
1033         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1034         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1035         (_ITM_abortTransaction): Finalize implementation method; pass
1036         transaction properties to longjmp.
1037         (GTM_restart_transaction): Split out from ...
1038         (_ITM_commitTransaction): ... here.
1039         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1040         Move to config/x86/target.h.
1041         * config/linux/alpha/futex_bits.h: New.
1042         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1043         * config/x86/target.h: Disable target types for 32-bit.
1044         * config/alpha/sjlj.S, config/alpha/target.h: New.
1045         * libitm.h (struct gtm_dispatch): Add init, fini.
1046         (enum restart_reason): New.
1047         (struct gtm_transaction): Add method and restarts.
1048         * retry.c (GTM_decide_retry_strategy): Implement.
1049         * serial.c (serial_init, serial_fini): New.
1050         (GTM_serialmode): Finialize outgoing method.
1051         * method-wbetl.c: New.
1052
1053 2008-12-09  Richard Henderson  <rth@redhat.com>
1054
1055         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1056         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1057         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1058         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1059         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1060         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1061         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1062         * serial.c (serial_R##T, serial_W##T): Likewise.
1063
1064 2008-11-21  Richard Henderson  <rth@redhat.com>
1065
1066         * Initial commit.