libitm/ChangeLog

   1 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
   2
   3         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
   4         * Makefile.in: Regenerate.
   5
   6 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
   7
   8         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
   9         * alloc_cpp.cc: Generate dummy functions if we don't
  10         HAVE_ELF_STYLE_WEAKREF.
  11         * eh_cpp.cc: Likewise.
  12         * configure: Regenerate.
  13         * aclocal.m4:  Likewise.
  14         * config.h.in: Likewise.
  15         * Makefile.in: Likewise.
  16         * testsuite/Makefile.in: Likewise.
  17
  18 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
  19
  20         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
  21         __USER_LABEL_PREFIX__ for targets that use it.
  22         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
  23         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
  24         in portability to non-elf targets.
  25         (GTM_longjmp): Likewise.
  26         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
  27         where required.
  28
  29 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
  30
  31         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
  32         * testsuite/libitm.c/memset-1.c: Likewise.
  33
  34 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
  35
  36         * configure: Regenerate.
  37
  38 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  39
  40         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
  41         (LIBITM_ENABLE_SYMVERS): Handle sun style.
  42         * Makefile.am: Handle sun style versioning.
  43         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
  44         * configure: Regenerate.
  45         * Makefile.in: Regenerate.
  46
  47 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  48
  49         * config/generic/asmcfi.h: Fix comment.
  50         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
  51         sequence without .hidden support, error for non-ELF targets.
  52         (GTM_longjmp) [__ELF__]: Only use .hidden if
  53         HAVE_ATTRIBUTE_VISIBILITY.
  54
  55 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  56
  57         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
  58         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
  59         Dummy functions.
  60         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
  61         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
  62
  63 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
  64
  65         PR bootstrap/51098
  66         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
  67         * configure: Regenerate.
  68
  69 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
  70
  71         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
  72
  73 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  74
  75         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
  76         .hidden.
  77         (.note.GNU-stack): Only use if __linux__.
  78         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
  79         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
  80         * testsuite/libitm.c/reentrant.c: Likewise.
  81         * testsuite/libitm.c/simple-2.c: Likewise.
  82         * testsuite/libitm.c/txrelease.c: Likewise.
  83         * testsuite/libitm.c++/static_ctor.C: Likewise.
  84
  85 2011-11-10  Richard Henderson  <rth@redhat.com>
  86
  87         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
  88         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
  89         * configure.ac (ARCH_X86_AVX): New conditional.
  90         * Makefile.in, configure: Rebuild.
  91
  92 2011-11-09  Richard Henderson  <rth@redhat.com>
  93
  94         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
  95         * configure.ac: Use it.
  96         * config.h.in, configure: Rebuild.
  97         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
  98
  99 2011-11-09  Richard Henderson  <rth@redhat.com>
 100
 101         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 102         * config/alpha/unaligned.h: Remove file.
 103         * config/generic/unaligned.h: Remove file.
 104         * config/x86/unaligned.h: Remove file.
 105         * config/generic/cachepage.h: Remove file.
 106         * config/posix/cachepage.cc: Remove file.
 107         * config/generic/cacheline.cc: Remove file.
 108         * config/x86/cacheline.cc: Remove file.
 109         * config/generic/cacheline.h (gtm_cacheline): Remove the
 110         store_mask, copy_mask, copy_mask_wb methods.
 111         * config/x86/cacheline.h: Likewise.
 112         * config/alpha/cacheline.h: Fall back to generic after setting size.
 113         * config/generic/tls.cc (gtm_mask_stack): Remove.
 114         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 115         (GTM_vpalignr_table): Remove.
 116         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 117         (GTM_pshift_table): Remove.
 118         * config/libitm_i.h: Don't include cachepage.h.
 119         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 120         * Makefile.in, testsuite/Makefile.in: Rebuild.
 121
 122 2011-11-09  Richard Henderson  <rth@redhat.com>
 123
 124         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 125         to emit branch prediction hint.
 126
 127         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 128         Protect .note.GNU-stack with __linux__.
 129
 130         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 131         * configure, aclocal.m4, config.h.in: Rebuild.
 132         * config/generic/asmcfi.h: New file.
 133         * config/x86/sjlj.S: Use it.
 134
 135 2011-11-08  Richard Henderson  <rth@redhat.com>
 136
 137         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 138
 139 2011-11-08  Richard Henderson  <rth@redhat.com>
 140
 141         * configure.tgt: Test correct directory for supported cpus.
 142
 143         * configure.ac: Exit if unsupported.
 144         * configure: Rebuild.
 145         * configure.tgt: Delete boilerplate from libgomp for unsupported
 146         targets.  Set UNSUPPORTED for unsupported targets.
 147
 148 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 149
 150         * configure.tgt: Handle i386 like i[456]86.
 151         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 152         take address.
 153         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 154         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 155
 156 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 157
 158         * method-wbetl.cc: Update copyright notice.
 159         * aatree.cc: Same.
 160         * util.cc: Same.
 161         * libitm.h: Same.
 162         * memset.cc: Same.
 163         * eh_cpp.cc: Same.
 164         * barrier.tpl: Same.
 165         * useraction.cc: Same.
 166         * stmlock.h: Same.
 167         * memcpy.cc: Same.
 168         * common.h: Same.
 169         * config/generic/tls.cc: Same.
 170         * config/generic/cacheline.h: Same.
 171         * config/generic/cachepage.h: Same.
 172         * config/generic/cacheline.cc: Same.
 173         * config/generic/unaligned.h: Same.
 174         * config/x86/cacheline.h: Same.
 175         * config/x86/cacheline.cc: Same.
 176         * config/x86/unaligned.h: Same.
 177         * config/alpha/cacheline.h: Same.
 178         * config/alpha/unaligned.h: Same.
 179         * config/alpha/sjlj.S: Same.
 180         * config/posix/cachepage.cc: Same.
 181         * config/linux/futex.h: Same.
 182         * config/linux/alpha/futex_bits.h: Same.
 183
 184 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 185
 186         * libitm.texi: No cover text and invariant sections.
 187
 188 2011-11-03  Richard Henderson  <rth@redhat.com>
 189
 190         * local_type_traits: New file.
 191         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 192
 193 2011-11-03  Richard Henderson  <rth@redhat.com>
 194
 195         * configure.ac: Don't test for gfortran.
 196         * configure: Rebuild.
 197
 198         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 199         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 200
 201 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 202
 203         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 204         * testsuite/libitm.c/memset-1.c: Same.
 205         * testsuite/libitm.c/c.exp: Same.
 206         * testsuite/lib/libitm-dg.exp: Same.
 207         * testsuite/lib/libitm.exp: Same.
 208         * testsuite/libitm.c++/c++.exp: Same.
 209
 210 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 211
 212         * testsuite/config/default.exp: Update copyright date.
 213         * configure.ac: Add copyright info.
 214         * configure.tgt: Same.
 215
 216 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 217
 218         * testsuite/libitm.c/reentrant.c: XFAIL.
 219         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 220
 221 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 222
 223         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 224         handle aborts.
 225         (_ITM_abortTransaction): Handle aborts of outer transactions.
 226         * libitm_i.h: Same.
 227         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 228         * libitm.texi: Document aborts of outer transactions.
 229         * testsuite/libitm.c/cancel.c: New file.
 230
 231 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 232
 233         * testsuite/*: Change __transaction to __transaction_atomic or
 234         __transaction_relaxed.
 235
 236 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 237
 238         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 239         (gtm_thr): Same.
 240
 241 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 242
 243         * libitm_i.h: Add gl_wt dispatch.
 244         * retry.cc (parse_default_method): Same.
 245         * method-gl.cc: New file.
 246         * Makefile.am: Use method-gl.cc.
 247         * Makefile.in: Rebuild.
 248
 249 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 250
 251         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 252         safety if requested by a TM method.
 253         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 254         privatization safety.
 255         * method-serial.cc: Same.
 256
 257 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 258
 259         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 260         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 261         undolog-related member functions from *_local to *_undolog.
 262         * local.cc (gtm_thread::commit_undolog): Same.
 263         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 264         (GTM::gtm_thread::rollback): Roll back undolog before
 265         dispatch-specific rollback.
 266
 267 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 268
 269         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 270         re-initialization of the current method group.
 271         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 272
 273 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 274
 275         * alloc.cc (commit_allocations_2): Do not free transaction-local
 276         memory when committing a nested transaction.
 277
 278 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 279
 280         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 281         serial-irrevocable dispatch, not serial.
 282
 283 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 284
 285         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 286         declarations.
 287         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 288         * method-serial.cc: Implement begin_or_restart().
 289         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 290         dispatch-specific begin_or_restart().
 291         (GTM::gtm_thread::restart): Same.
 292
 293 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 294
 295         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 296         restarting without switching to serial mode.
 297         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 298         transaction state. Choose closed-nesting alternative if available.
 299         (GTM::gtm_thread::set_default_dispatch): New.
 300         (parse_default_method): New.
 301         (GTM::gtm_thread::number_of_threads_changed): New.
 302         * method-serial.cc (GTM::serial_mg): New method group class.
 303         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 304         fini.
 305         (GTM::serial_dispatch): Same.
 306         (GTM::serialirr_onwrite_dispatch): Same.
 307         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 308         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 309         registered threads.
 310         (GTM::gtm_thread::gtm_thread): Same.
 311         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 312         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 313         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 314         choose dispatch but set state according to dispatch here.
 315         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 316         (GTM::method_group): New class.
 317         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 318         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 319         * libitm.texi: Document TM methods, method groups, method life cycle.
 320         Rename method sets to method groups.
 321
 322 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 323
 324         * config/x86/tls.h: Moved to ...
 325         * config/linux/x86/tls.h: ... here.
 326
 327 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 328
 329         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 330         Add X32 support.
 331         * config/x86/sjlj.S: Same.
 332
 333 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 334
 335         * config/linux/rwlock.h: New file.
 336         * config/linux/rwlock.c: New file.
 337         * configure.ac: Reenable futex support (undo SVN rev 157758).
 338         * Makefile.am: Same.
 339         * configure.tgt: Same.
 340         * config/linux/alpha/futex_bits.h: Same.
 341         * config/linux/futex.h: Same. Return number of woken processes.
 342         * config/linux/futex.cc: Same.
 343         (futex_wait): Remove spinning.
 344         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 345         Use __x86_64__ instead of __LP64__.
 346         * aclocal.m4: Include generic futex checks.
 347         * configure: Rebuild.
 348         * Makefile.in: Rebuild.
 349         * testsuite/Makefile.in: Rebuild.
 350         * beginend.cc: Include pthread.h.
 351         * config/posix/cachepage.cc: Same.
 352
 353 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 354
 355         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 356         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 357         (set_gtm_thr): New.
 358         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 359         (set_gtm_thr): New.
 360         (GTM::gtm_thread::thread_num): Removed.
 361         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 362         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 363         tx-to-thread renaming.
 364         * beginend.cc: Adapted to tx-to-thread renaming.
 365         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 366         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 367         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 368         gtm_transaction to gtm_thread.
 369         (_ITM_getThreadnum): Removed. Not supported anymore.
 370         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 371         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 372         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 373         gtm_tx-to-gtm_thr renaming if necessary.
 374         * eh_cpp.cc: Same.
 375         * local.cc: Same.
 376         * retry.cc: Same.
 377         * clone.cc: Same.
 378         * alloc.cc: Same.
 379         * alloc_c.cc: Same.
 380         * alloc_cpp.cc: Same.
 381         * method-serial.cc: Same.
 382         * config/generic/tls.cc: Same.
 383         * config/posix/rwlock.h (gtm_rwlock): Same.
 384         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 385
 386 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 387
 388         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 389         implementation.
 390         (gtm_rwlock::read_unlock): Same.
 391         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 392         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 393         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 394         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 395         w_upgrade. Replaced by per-transaction flags (in shared_state).
 396         Added c_confirmed_writers.
 397         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 398         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 399         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 400         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 401         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 402         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 403         * libitm.texi: Document locking conventions and implementations in
 404         libitm.
 405
 406 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 407
 408         * libitm_i.h (next_tx): Add list of all threads' transaction.
 409         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 410         transaction with list of transactions and ...
 411         (thread_exit_handler): ... deregister here.
 412         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 413         * config/x86/target.h: Same.
 414
 415 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 416
 417         * testsuite/libitm.c++/static_ctor.C: New file.
 418
 419 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 420
 421         * testsuite/libitm.c/reentrant.c: New file.
 422
 423 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 424
 425         * config/generic/tls.h: Remove the free list for transactions and ...
 426         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 427         (GTM::gtm_transaction::operator delete): ... and release here.
 428         (thread_exit_handler): New. Delete tx when thread terminates.
 429         (thread_exit_init): New.
 430         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 431         * testsuite/libitm.c/txrelease.c: New file.
 432
 433 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 434
 435         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 436         * testsuite/libitm.c/notx.c: New file.
 437
 438 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 439
 440         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 441         * libitm_i.h (local_tid): ... to here.
 442         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 443         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 444
 445 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 446
 447         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 448         serialirr_onwrite_dispatch as new default for now.
 449         * method-serial.cc (serialirr_onwrite_dispatch): New.
 450         (GTM::dispatch_serialirr_onwrite): New.
 451         * libitm_i.h: Same.
 452
 453 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 454
 455         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 456         * query.cc (_ITM_getTransactionId): There is no active transaction if
 457         the current nesting level is zero.
 458
 459 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 460
 461         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 462         rollback.
 463
 464 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 465
 466         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 467         transaction properties from the caller instead of from the
 468         transaction object.
 469         * libitm_i.h: Same.
 470         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 471
 472 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 473
 474         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 475         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 476         * dispatch.h: Same.
 477         * method-serial.cc: Same.
 478         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 479         flat nesting as default, and closed nesting on demand.
 480         (GTM::gtm_transaction::rollback): Same.
 481         (_ITM_abortTransaction): Same.
 482         (GTM::gtm_transaction::restart): Same.
 483         (GTM::gtm_transaction::trycommit): Same.
 484         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 485         (choose_code_path): New.
 486         (GTM::gtm_transaction_cp::save): New.
 487         (GTM::gtm_transaction_cp::commit): New.
 488         * query.cc (_ITM_inTransaction): Support flat nesting.
 489         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 490         (GTM::gtm_transaction): Support flat and closed nesting.
 491         * alloc.cc (commit_allocations_2): New.
 492         (commit_cb_data): New helper struct.
 493         (GTM::gtm_transaction::commit_allocations): Handle nested
 494         commits/rollbacks.
 495         * libitm.texi: Update user action section, add description of nesting.
 496
 497 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 498
 499         * libitm_i.h: Add closed nesting as restart reason.
 500         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 501
 502 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 503
 504         * useraction.cc: Use vector instead of list to store actions.
 505         Also support partial rollbacks for closed nesting.
 506         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 507         * beginend.cc: Same.
 508
 509 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 510
 511         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 512         closed_nesting flags, as well as a closed nesting alternative.
 513         * method-serial.cc: Same.
 514         (serial_dispatch): Renamed to serialirr_dispatch.
 515         (GTM::dispatch_serialirr): Same.
 516         (serial_dispatch_ul): Renamed to serial_dispatch.
 517         (GTM::dispatch_serial): Same.
 518
 519 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 520
 521         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 522
 523 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 524
 525         * aatree.h (aa_tree::remove): New.
 526         (aa_tree::operator new): Add placement new.
 527
 528 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 529
 530         * containers.h: New file.
 531         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 532         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 533         * common.h: ... to here.
 534         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 535         * local.cc: Same.
 536
 537 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 538
 539         * libitm_i.h (STATE_ABORTING): Remove.
 540         * beginend.cc (_ITM_abortTransaction): Same.
 541         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 542         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 543         (_ITM_rollbackTransaction): Remove.
 544         * beginend.cc: Same.
 545         * libitm.map: Same.
 546         * libitm.texi: Document these ABI changes.
 547
 548 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 549
 550         * libitm.texi: New file.
 551         * Makefile.am: Add libitm.texi.
 552         * Makefile.in: Rebuild.
 553
 554 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 555
 556         * libitm_i.h: Move parts to common.h and dispatch.h.
 557         * common.h: New file.
 558         * dispatch.h: New file, new dispatch class.
 559         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 560         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 561         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 562         decision to retry.cc.
 563         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 564         only.
 565         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 566         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 567         logging.
 568         * barrier.cc: Use new barriers definitions.
 569         (abi_dispatch::memmove_overlap_check): New.
 570         * config/x86/x86_sse.cc: Same.
 571         * config/x86/x86_avx.cc: Same.
 572         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 573         memcpy.cc.
 574         * Makefile.in: Rebuild.
 575         * method-readonly.cc: Remove.
 576         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 577         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 578
 579 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 580
 581         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 582         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 583         * testsuite/libitm.c/dropref-2.c: Same.
 584         * testsuite/libitm.c/dropref.c: Same.
 585
 586 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 587
 588         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 589         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 590         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 591         * alloc_c.cc: Same.
 592         * barrier.tpl: Same.
 593         * beginend.c: Same.
 594         * config/generic/tls.h: Same.
 595         * config/x86/tls.h: Same.
 596         * libitm_i.h: Same.
 597         * memcpy.cc: Same.
 598         * memset.cc: Same.
 599         * method-readonly.cc: Same.
 600         * method-serial.cc: Same.
 601         * method-wbetl.cc: Same.
 602         * retry.cc: Same.
 603
 604 2011-03-03  Richard Henderson  <rth@redhat.com>
 605
 606         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 607         From Patrik Marlier <patrick.marlier@unine.ch>.
 608
 609 2011-02-03  Richard Henderson  <rth@redhat.com>
 610
 611         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 612         * configure.ac: Use it.
 613         * configure, config.h.in: Rebuild.
 614         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 615         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 616         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 617         * libitm.map: Use wildcards to match size_t mangling.
 618
 619 2010-12-14  Richard Henderson  <rth@redhat.com>
 620
 621         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 622         blocks of TIDs per thread.
 623         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 624         (setup_gtm_thr): Return the thread structure.
 625         * config/x86/tls.h (setup_gtm_thr): Likewise.
 626
 627 2010-12-14  Richard Henderson  <rth@redhat.com>
 628
 629         * clone.cc (table_lock): Remove.
 630         (find_clone): Don't take it.
 631         (ExcludeTransaction): New helper class.
 632         (_ITM_registerTMCloneTable): Use it.
 633         (_ITM_deregisterTMCloneTable): Likewise.
 634
 635 2010-12-14  Richard Henderson  <rth@redhat.com>
 636
 637         * config/x86/tls.h: New file.
 638
 639 2010-07-15  Richard Henderson  <rth@redhat.com>
 640
 641         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 642         * Makefile.in: Rebuild.
 643
 644 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 645
 646         * method-wbetl.cc (trydropreference): Fix source line.
 647
 648 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 649
 650         * libitm.h: Add comment.
 651         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 652
 653 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 654
 655         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 656         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 657         available, use pthread mutexes.
 658         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 659         * config.h.in: Regenerate.
 660         * configure: Regenerate.
 661
 662 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 663
 664         * libitm.h (ITM_PURE): Define.
 665         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 666
 667 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 668
 669         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 670         (validate): Add comment.
 671         (trydropreference): New.
 672         * method-readonly.cc (class readonly_dispatch): Add
 673         trydropreference.
 674         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 675         Call trydropreference().
 676         * libitm.h (_ITM_dropReferences): Remove const attribute.
 677         * method-serial.cc (class serial_dispatch): Add trydropreference.
 678         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 679
 680 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 681
 682         * memcpy.cc (do_memcpy): Comment.
 683
 684 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 685
 686         * barrier.tpl: Add comments throughout.
 687
 688 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 689
 690         * method-wbetl.cc (struct w_entry): Add comments.
 691         (trycommit): Same.
 692         (rollback): Same.
 693
 694 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 695
 696         * alloc_c.cc (_ITM_dropReferences): New.
 697         * libitm.map (_ITM_dropReferences): Add.
 698         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 699         * libitm_i.h (struct gtm_transaction): Declare
 700         drop_references_allocations and drop_references_local.
 701         * local.cc (rollback_local): Ignore memory when applicable.
 702         (drop_references_local): New.
 703
 704 2010-06-23  Richard Henderson  <rth@redhat.com>
 705
 706         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 707         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 708         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 709         * config/alpha/target.h: Likewise.
 710         * config/generic/tls.cc (gtm_mask_stack): Use it.
 711
 712 2010-06-23  Richard Henderson  <rth@redhat.com>
 713
 714         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 715         a mutex instead of trying a lock-free compare-and-swap on the list.
 716         (gtm_cacheline_page::operator delete): Likewise.
 717
 718 2010-06-16  Richard Henderson  <rth@redhat.com>
 719
 720         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 721         that overlap the libitm stack.
 722         * barrier.tpl: Mark incoming stack.
 723         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 724         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 725         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 726         * memcpy.cc, memset.cc: Likewise.
 727         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 728         * config/generic/tls.h (gtm_thread): Add stack_top member.
 729         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 730         * libitm_i.h (gtm_mask_stack): Declare.
 731         * config/generic/tls.cc: New file.
 732         * Makefile.am (libitm_la_SOURCES): Add it.
 733         (AM_CXXFLAGS): Turn off exceptions.
 734         * Makefile.in: Rebuild.
 735
 736 2010-06-16  Richard Henderson  <rth@redhat.com>
 737
 738         * alloc.cc (struct gtm_alloc_action): Move definition ...
 739         * libitm_i.h: ... here.
 740         (class gtm_transaction): Declare new and delete.
 741         * beginend.cc (alloc_tx): Reformulate as operator new.
 742         (free_tx): Reformulate as operator delete.
 743         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 744
 745 2010-06-11  Richard Henderson  <rth@redhat.com>
 746
 747         * clone.cc (clone_entry_compare): Fix typo.
 748         From Patrik Marlier <patrick.marlier@unine.ch>.
 749
 750 2010-05-13  Richard Henderson  <rth@redhat.com>
 751
 752         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 753         in extern "C".
 754
 755 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 756
 757         * libitm_i.h (struct gtm_transaction): Remove
 758         get_allocation_size.
 759         (record_allocation): Remove size parameter.
 760         * libitm.map (_ITM_realloc): Remove.
 761         * alloc_c.cc (_ITM_realloc): Remove.
 762         (_ITM_malloc): Remove size argument to record_allocation.
 763         (_ITM_calloc): Same.
 764         * alloc_cpp.cc (_ZGTtnwm): Same.
 765         (_ZGTtnwmRKSt9nothrow_t): Same.
 766         (_ZGTtnam): Same.
 767         (_ZGTtnamRKSt9nothrow_t): Same.
 768         * alloc.cc (struct gtm_alloc_action): Remove size.
 769         (get_allocation_size): Remove.
 770         (commit_allocations): Add comment.
 771         (record_allocation): Remove size parameter.
 772         (forget_allocation): Remove set of size.
 773
 774 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 775
 776         * Makefile.am (abi_version): New.
 777         (AM_CXXFLAGS): Pass abi_version.
 778         * Makefile.in: Regenerate.
 779         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 780
 781 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 782
 783         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 784         _ITM_getTMCloneOrIrrevokable.
 785         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 786         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 787
 788 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 789
 790         * configure.ac: Remove Linux futex support.
 791         * configure.tgt (config_path): Same.
 792         * Makefile.am: Same.
 793         * config/linux: Remove entire directory.
 794         * configure: Rebuild.
 795         * Makefile.in: Rebuild.
 796         * testsuite/Makefile.in: Rebuild.
 797
 798 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 799
 800         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 801         switching to serial mode.
 802         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 803
 804 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 805
 806         * configure.tgt: Add emacs -*- tags.
 807         * barrier.tpl: Same.
 808
 809 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 810
 811         * Makefile.am: Rename serial.cc to method-serial.cc.
 812         * Makefile.in: Regenerate with automake 1.11.1.
 813         * testsuite/Makefile.in: Same.
 814         * aclocal.m4: Regenerate with aclocal 1.11.1.
 815         * method-serial.cc: Rename from serial.cc.
 816         * libitm_i.h (struct gtm_transaction): Update comment on
 817         serialirr_mode.
 818
 819 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 820
 821         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 822         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 823
 824 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 825
 826         * configure: Rebuild.
 827
 828 2009-11-12  Richard Henderson  <rth@redhat.com>
 829
 830         * Rewrite everything in C++.
 831
 832 2009-11-03  Richard Henderson  <rth@redhat.com>
 833
 834         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 835         * Makefile.am (libitm_la_SOURCES): Add them.
 836         * configure.ac (ARCH_X86): New conditional.
 837         * Makefile.in, configure: Rebuild.
 838         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 839         Move futex setup into "other system configury" case.
 840         * local.c (rollback_local): Merge into ...
 841         (GTM_rollback_local): ... here.
 842         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 843         (_ITM_LB): Define as an alias to GTM_LB.
 844
 845 2009-11-03  Richard Henderson  <rth@redhat.com>
 846
 847         * method-readonly.c: New file.
 848         * Makefile.am (libitm_la_SOURCES): Add it.
 849         * Makefile.in: Rebuild.
 850         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 851         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 852         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 853         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 854         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 855         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 856         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 857         gtm_get_clock, gtm_inc_clock): New.
 858         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 859         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 860         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 861         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 862         replace uses with new libitm_i.h symbols.
 863         (dispatch_wbetl): Rename from wbetl_dispatch.
 864         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 865         away from dispatch_readonly; abort if the beginTransaction call
 866         asserted that the transaction was readonly.
 867
 868 2009-11-03  Richard Henderson  <rth@redhat.com>
 869
 870         * memset.c: New file.
 871         * Makefile.am (libitm_la_SOURCES): Add it.
 872         * Makefile.in: Rebuild.
 873         * testsuite/libitm.c/memset-1.c: New.
 874
 875 2009-11-03  Richard Henderson  <rth@redhat.com>
 876
 877         * dispatch.c: Remove file.
 878         * useraction.c (struct gtm_user_action): Move from libitm.h.
 879         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 880         (serial_memset, serial_memmove, serial_memcpy): Remove.
 881         (serial_W*, serial_R*): Remove.
 882         (serial_dispatch): Update to match.
 883         * configure.ac: Move Werror down below configure checks.  Don't
 884         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 885         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 886         Use GCC_AC_FUNC_MMAP_BLACKLIST
 887         * libitm.h: Split out all internal items to...
 888         * libitm_i.h: ... here.  New file.
 889         * copymask.c: New file.
 890         * local.c (struct gtm_local_undo): Move from libitm.h.
 891         (GTM_alloc_local): Rename from alloc_local; export.
 892         * memcpy.c: New file.
 893         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 894         * config/posix/page.c: New file.
 895         * config/posix/target_tls.h: Remove file.
 896         * barrier.c: New file.
 897         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
 898         copymask.c, page.c.
 899         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
 900         * method-wbetl.c: Rewrite for new cacheline methods.
 901         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
 902
 903         * config/alpha/sjlj.S: Fix typo.
 904         * config/alpha/target_i.h: Copy functions from alpha/target.h.
 905         * config/alpha/copymask.c: New file.
 906         * config/alpha/target.h (CACHELINE_SIZE): New.
 907         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
 908
 909         * config/x86/target_i.h: Copy functions from x86/target.h.
 910         * config/x86/copymask.c: New file.
 911         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
 912         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
 913         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
 914         * config/x86/target_tls.h: Move contents to target_i.h.
 915
 916         * testsuite/libitm.c/clone-1.c: Include libitm.h.
 917         * testsuite/libitm.c/memcpy-1.c: New.
 918
 919 2009-10-22  Richard Henderson  <rth@redhat.com>
 920
 921         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
 922         (AM_CCASFLAGS): New.
 923         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
 924         saving/restoring _AC_ARG_VAR_PRECIOUS.
 925         * Makefile.in, aclocal.m4, config.h.in, configure,
 926         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
 927
 928 2009-10-22  Richard Henderson  <rth@redhat.com>
 929
 930         * testsuite/*: Update for new compiler syntax.
 931
 932 2009-10-21  Richard Henderson  <rth@redhat.com>
 933
 934         * libitm.h (_ITM_abortReason): Add outerAbort.
 935
 936 2009-08-03  Richard Henderson  <rth@redhat.com>
 937
 938         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
 939         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
 940         * method-wbetl.c (struct w_entry): Remove mask.
 941         (wbetl_write, wbetl_load): Return pointer to word containing the data;
 942         adjust all callers.
 943
 944 2009-07-22  Richard Henderson  <rth@redhat.com>
 945
 946         * eh_cpp.c: New file.
 947         * Makefile.am (libitm_la_SOURCES): Add it.
 948         * Makefile.in: Rebuild.
 949         * beginend.c (GTM_rollback_transaction): Undo exception state.
 950         (GTM_trycommit_transaction): Mark inline.
 951         (GTM_trycommit_and_finalize_transaction): Split out from ...
 952         (_ITM_commitTransaction): ... here.
 953         (_ITM_commitTransactionEH): New function.
 954         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
 955         cxa_unthrown, eh_in_flight; reorder.
 956
 957         * testsuite/libitm.c++/c++.exp: New.
 958         * testsuite/libitm.c++/eh-1.C: New.
 959
 960         * aatree.c (aa_free): Remove REGPARM.
 961         * aatree.h: Remove all REGPARM.
 962
 963 2009-07-18  Richard Henderson  <rth@redhat.com>
 964
 965         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
 966         * Makefile.am (libitm_la_SOURCES): Add them.
 967         * Makefile.in: Rebuild.
 968         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
 969         (GTM_trycommit_transaction): Likewise.
 970         * libitm.h: Include aatree.h
 971         (struct gtm_alloc_action): New.
 972         (struct gtm_transaction): Add alloc_actions.
 973         (GTM_record_allocation, GTM_forget_allocation): Declare.
 974         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
 975         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
 976         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
 977         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
 978         _ZGTtdaPvRKSt9nothrow_t): Export.
 979
 980 2009-07-18  Richard Henderson  <rth@redhat.com>
 981
 982         * target_tls.h: Move ...
 983         * config/posix/target_tls.h: ... here.
 984
 985 2009-07-07  Richard Henderson  <rth@redhat.com>
 986
 987         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
 988
 989 2009-07-07  Richard Henderson  <rth@redhat.com>
 990
 991         * Update to GPL3.
 992
 993 2009-07-07  Richard Henderson  <rth@redhat.com>
 994
 995         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
 996         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
 997
 998         * configure.tgt: Don't use -ftls-model for x86 linux.
 999         * libitm.h: Include target.h after standard includes.
1000         (_gtm_thr): Rename from gtm_thr.
1001         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1002         (gtm_disp, set_gtm_disp): New.
1003         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1004         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1005         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1006
1007 2009-07-07  Richard Henderson  <rth@redhat.com>
1008
1009         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1010
1011 2009-07-06  Richard Henderson  <rth@redhat.com>
1012
1013         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1014         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1015         (_ITM_beginTransaction): Take variadic arguments.
1016         (_ITM_registerThrownObject): Declare.
1017         * beginend.c, serial.c: Update.
1018         * libitm.map: Add _ITM_registerThrownObject.
1019
1020 2009-01-28  Richard Henderson  <rth@redhat.com>
1021
1022         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1023         * Makefile.in: Rebuild.
1024         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1025         (GTM_restart_transaction): Fix uninstrumented code check.
1026         * retry.c (GTM_decide_retry_strategy): Add serial check.
1027         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1028         automatically go irrevokable when in serial mode.
1029         * clone.c: New file.
1030         * libitm.h, libitm.map: Update.
1031
1032 2009-01-27  Richard Henderson  <rth@redhat.com>
1033
1034         * Makefile.am (LTCCASCOMPILE): Define.
1035         (libitm_la_SOURCES): Add methid-wbetl.c.
1036         * testsuite/Makefile.am: New
1037         * configure.ac: Add testsuite/Makefile.
1038         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1039         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1040         (_ITM_abortTransaction): Finalize implementation method; pass
1041         transaction properties to longjmp.
1042         (GTM_restart_transaction): Split out from ...
1043         (_ITM_commitTransaction): ... here.
1044         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1045         Move to config/x86/target.h.
1046         * config/linux/alpha/futex_bits.h: New.
1047         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1048         * config/x86/target.h: Disable target types for 32-bit.
1049         * config/alpha/sjlj.S, config/alpha/target.h: New.
1050         * libitm.h (struct gtm_dispatch): Add init, fini.
1051         (enum restart_reason): New.
1052         (struct gtm_transaction): Add method and restarts.
1053         * retry.c (GTM_decide_retry_strategy): Implement.
1054         * serial.c (serial_init, serial_fini): New.
1055         (GTM_serialmode): Finialize outgoing method.
1056         * method-wbetl.c: New.
1057
1058 2008-12-09  Richard Henderson  <rth@redhat.com>
1059
1060         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1061         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1062         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1063         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1064         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1065         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1066         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1067         * serial.c (serial_R##T, serial_W##T): Likewise.
1068
1069 2008-11-21  Richard Henderson  <rth@redhat.com>
1070
1071         * Initial commit.