libitm/ChangeLog

   1 2011-12-24  Torvald Riegel  <triegel@redhat.com>
   2
   3         * beginend.cc (GTM::gtm_thread::restart): Add and handle
   4         finish_serial_upgrade parameter.
   5         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
   6         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
   7         Don't unset reader flag.
   8         (GTM::gtm_rwlock::write_upgrade_finish): New.
   9         * config/posix/rwlock.cc: Same.
  10         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
  11         Declare.
  12         * config/posix/rwlock.h: Same.
  13         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
  14         flag after commit or after rollback when restarting.
  15
  16 2011-12-24  Torvald Riegel  <triegel@redhat.com>
  17
  18         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
  19         (GTM::gtm_thread::try_commit): Changed memory order.
  20         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
  21         as parameter.
  22         * config/linux/x86/futex_bits.h (sys_futex0): Same.
  23         * config/linux/sh/futex_bits.h (sys_futex0): Same.
  24         * config/linux/futex_bits.h (sys_futex0): Same.
  25         * config/linux/futex.cc (futex_wait, futex_wake): Same.
  26         * config/linux/futex.h (futex_wait, futex_wake): Same.
  27         * config/linux/rwlock.h (gtm_rwlock::writers,
  28         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
  29         ints.
  30         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
  31         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
  32         gtm_rwlock::write_unlock): Fix memory orders and fences.
  33         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
  34         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
  35         gtm_rwlock::write_unlock): Same.
  36         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
  37         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
  38         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
  39         Add comments.
  40         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
  41         gl_wt_dispatch::load, gl_wt_dispatch::store,
  42         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
  43         orders and fences.  Add comments.
  44
  45 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
  46
  47         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
  48         * Makefile.in: Regenerated.
  49
  50 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
  51
  52         * configure.tgt: Add sh* case.
  53         * config/sh/target.h: New file.
  54         * config/sh/sjlj.S: New file.
  55         * config/linux/sh/futex_bits.h: New file.
  56
  57 2011-12-14  Richard Henderson  <rth@redhat.com>
  58
  59         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
  60         * config/arm/sjlj.S, config/arm/target.h: New files.
  61         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
  62         (cfi_rel_offset): New.
  63         * config/linux/futex_bits.h: New file.
  64         * config/linux/futex.cc: Include futex_bits.h here...
  65         * config/linux/futex.h: ... not here.
  66         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
  67         * configure.ac (ARCH_AM): New conditional.
  68         * Makefile.in, configure: Rebuild.
  69         * configure.tgt: Handle ARM.
  70
  71 2011-12-13  Richard Henderson  <rth@redhat.com>
  72
  73         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
  74         signed/unsigned comparison werror.
  75
  76         * local_atomic: New file.
  77         * libitm_i.h: Include it.
  78         (gtm_thread::shared_state): Use atomic template.
  79         * beginend.cc (GTM::gtm_clock): Use atomic template.
  80         (global_tid): Use atomic template if 64-bit atomics available.
  81         (gtm_thread::gtm_thread): Update shared_state access.
  82         (gtm_thread::trycommit): Likewise.
  83         (choose_code_path): Update global_tid access.
  84         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
  85         * stmlock.h (GTM::gtm_clock): Use atomic template.
  86         (gtm_get_clock, gtm_inc_clock): Update accesses.
  87         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
  88         redundant __sync_synchronize after atomic shared_state access.
  89         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
  90         (gtm_rwlock::write_lock_generic): Likewise.
  91         (gtm_rwlock::read_unlock): Likewise.
  92         * config/alpha/target.h (atomic_read_barrier): Remove.
  93         (atomic_write_barrier): Remove.
  94         * config/x86/target.h (atomic_read_barrier): Remove.
  95         (atomic_write_barrier): Remove.
  96
  97 2011-11-30  Richard Henderson  <rth@redhat.com>
  98
  99         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 100         * beginend.c (_ITM_abortTransaction): Update to match.
 101         (GTM::gtm_thread::restart): Likewise.
 102         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 103         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 104
 105 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 106
 107         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 108         * Makefile.in: Regenerate.
 109
 110 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 111
 112         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 113         * alloc_cpp.cc: Generate dummy functions if we don't
 114         HAVE_ELF_STYLE_WEAKREF.
 115         * eh_cpp.cc: Likewise.
 116         * configure: Regenerate.
 117         * aclocal.m4:  Likewise.
 118         * config.h.in: Likewise.
 119         * Makefile.in: Likewise.
 120         * testsuite/Makefile.in: Likewise.
 121
 122 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 123
 124         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 125         __USER_LABEL_PREFIX__ for targets that use it.
 126         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 127         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 128         in portability to non-elf targets.
 129         (GTM_longjmp): Likewise.
 130         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 131         where required.
 132
 133 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 134
 135         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 136         * testsuite/libitm.c/memset-1.c: Likewise.
 137
 138 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 139
 140         * configure: Regenerate.
 141
 142 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 143
 144         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 145         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 146         * Makefile.am: Handle sun style versioning.
 147         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 148         * configure: Regenerate.
 149         * Makefile.in: Regenerate.
 150
 151 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 152
 153         * config/generic/asmcfi.h: Fix comment.
 154         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 155         sequence without .hidden support, error for non-ELF targets.
 156         (GTM_longjmp) [__ELF__]: Only use .hidden if
 157         HAVE_ATTRIBUTE_VISIBILITY.
 158
 159 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 160
 161         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 162         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 163         Dummy functions.
 164         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 165         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 166
 167 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 168
 169         PR bootstrap/51098
 170         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 171         * configure: Regenerate.
 172
 173 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 174
 175         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 176
 177 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 178
 179         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 180         .hidden.
 181         (.note.GNU-stack): Only use if __linux__.
 182         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 183         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 184         * testsuite/libitm.c/reentrant.c: Likewise.
 185         * testsuite/libitm.c/simple-2.c: Likewise.
 186         * testsuite/libitm.c/txrelease.c: Likewise.
 187         * testsuite/libitm.c++/static_ctor.C: Likewise.
 188
 189 2011-11-10  Richard Henderson  <rth@redhat.com>
 190
 191         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 192         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 193         * configure.ac (ARCH_X86_AVX): New conditional.
 194         * Makefile.in, configure: Rebuild.
 195
 196 2011-11-09  Richard Henderson  <rth@redhat.com>
 197
 198         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 199         * configure.ac: Use it.
 200         * config.h.in, configure: Rebuild.
 201         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 202
 203 2011-11-09  Richard Henderson  <rth@redhat.com>
 204
 205         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 206         * config/alpha/unaligned.h: Remove file.
 207         * config/generic/unaligned.h: Remove file.
 208         * config/x86/unaligned.h: Remove file.
 209         * config/generic/cachepage.h: Remove file.
 210         * config/posix/cachepage.cc: Remove file.
 211         * config/generic/cacheline.cc: Remove file.
 212         * config/x86/cacheline.cc: Remove file.
 213         * config/generic/cacheline.h (gtm_cacheline): Remove the
 214         store_mask, copy_mask, copy_mask_wb methods.
 215         * config/x86/cacheline.h: Likewise.
 216         * config/alpha/cacheline.h: Fall back to generic after setting size.
 217         * config/generic/tls.cc (gtm_mask_stack): Remove.
 218         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 219         (GTM_vpalignr_table): Remove.
 220         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 221         (GTM_pshift_table): Remove.
 222         * config/libitm_i.h: Don't include cachepage.h.
 223         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 224         * Makefile.in, testsuite/Makefile.in: Rebuild.
 225
 226 2011-11-09  Richard Henderson  <rth@redhat.com>
 227
 228         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 229         to emit branch prediction hint.
 230
 231         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 232         Protect .note.GNU-stack with __linux__.
 233
 234         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 235         * configure, aclocal.m4, config.h.in: Rebuild.
 236         * config/generic/asmcfi.h: New file.
 237         * config/x86/sjlj.S: Use it.
 238
 239 2011-11-08  Richard Henderson  <rth@redhat.com>
 240
 241         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 242
 243 2011-11-08  Richard Henderson  <rth@redhat.com>
 244
 245         * configure.tgt: Test correct directory for supported cpus.
 246
 247         * configure.ac: Exit if unsupported.
 248         * configure: Rebuild.
 249         * configure.tgt: Delete boilerplate from libgomp for unsupported
 250         targets.  Set UNSUPPORTED for unsupported targets.
 251
 252 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 253
 254         * configure.tgt: Handle i386 like i[456]86.
 255         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 256         take address.
 257         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 258         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 259
 260 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 261
 262         * method-wbetl.cc: Update copyright notice.
 263         * aatree.cc: Same.
 264         * util.cc: Same.
 265         * libitm.h: Same.
 266         * memset.cc: Same.
 267         * eh_cpp.cc: Same.
 268         * barrier.tpl: Same.
 269         * useraction.cc: Same.
 270         * stmlock.h: Same.
 271         * memcpy.cc: Same.
 272         * common.h: Same.
 273         * config/generic/tls.cc: Same.
 274         * config/generic/cacheline.h: Same.
 275         * config/generic/cachepage.h: Same.
 276         * config/generic/cacheline.cc: Same.
 277         * config/generic/unaligned.h: Same.
 278         * config/x86/cacheline.h: Same.
 279         * config/x86/cacheline.cc: Same.
 280         * config/x86/unaligned.h: Same.
 281         * config/alpha/cacheline.h: Same.
 282         * config/alpha/unaligned.h: Same.
 283         * config/alpha/sjlj.S: Same.
 284         * config/posix/cachepage.cc: Same.
 285         * config/linux/futex.h: Same.
 286         * config/linux/alpha/futex_bits.h: Same.
 287
 288 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 289
 290         * libitm.texi: No cover text and invariant sections.
 291
 292 2011-11-03  Richard Henderson  <rth@redhat.com>
 293
 294         * local_type_traits: New file.
 295         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 296
 297 2011-11-03  Richard Henderson  <rth@redhat.com>
 298
 299         * configure.ac: Don't test for gfortran.
 300         * configure: Rebuild.
 301
 302         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 303         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 304
 305 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 306
 307         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 308         * testsuite/libitm.c/memset-1.c: Same.
 309         * testsuite/libitm.c/c.exp: Same.
 310         * testsuite/lib/libitm-dg.exp: Same.
 311         * testsuite/lib/libitm.exp: Same.
 312         * testsuite/libitm.c++/c++.exp: Same.
 313
 314 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 315
 316         * testsuite/config/default.exp: Update copyright date.
 317         * configure.ac: Add copyright info.
 318         * configure.tgt: Same.
 319
 320 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 321
 322         * testsuite/libitm.c/reentrant.c: XFAIL.
 323         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 324
 325 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 326
 327         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 328         handle aborts.
 329         (_ITM_abortTransaction): Handle aborts of outer transactions.
 330         * libitm_i.h: Same.
 331         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 332         * libitm.texi: Document aborts of outer transactions.
 333         * testsuite/libitm.c/cancel.c: New file.
 334
 335 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 336
 337         * testsuite/*: Change __transaction to __transaction_atomic or
 338         __transaction_relaxed.
 339
 340 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 341
 342         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 343         (gtm_thr): Same.
 344
 345 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 346
 347         * libitm_i.h: Add gl_wt dispatch.
 348         * retry.cc (parse_default_method): Same.
 349         * method-gl.cc: New file.
 350         * Makefile.am: Use method-gl.cc.
 351         * Makefile.in: Rebuild.
 352
 353 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 354
 355         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 356         safety if requested by a TM method.
 357         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 358         privatization safety.
 359         * method-serial.cc: Same.
 360
 361 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 362
 363         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 364         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 365         undolog-related member functions from *_local to *_undolog.
 366         * local.cc (gtm_thread::commit_undolog): Same.
 367         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 368         (GTM::gtm_thread::rollback): Roll back undolog before
 369         dispatch-specific rollback.
 370
 371 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 372
 373         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 374         re-initialization of the current method group.
 375         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 376
 377 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 378
 379         * alloc.cc (commit_allocations_2): Do not free transaction-local
 380         memory when committing a nested transaction.
 381
 382 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 383
 384         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 385         serial-irrevocable dispatch, not serial.
 386
 387 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 388
 389         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 390         declarations.
 391         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 392         * method-serial.cc: Implement begin_or_restart().
 393         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 394         dispatch-specific begin_or_restart().
 395         (GTM::gtm_thread::restart): Same.
 396
 397 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 398
 399         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 400         restarting without switching to serial mode.
 401         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 402         transaction state. Choose closed-nesting alternative if available.
 403         (GTM::gtm_thread::set_default_dispatch): New.
 404         (parse_default_method): New.
 405         (GTM::gtm_thread::number_of_threads_changed): New.
 406         * method-serial.cc (GTM::serial_mg): New method group class.
 407         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 408         fini.
 409         (GTM::serial_dispatch): Same.
 410         (GTM::serialirr_onwrite_dispatch): Same.
 411         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 412         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 413         registered threads.
 414         (GTM::gtm_thread::gtm_thread): Same.
 415         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 416         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 417         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 418         choose dispatch but set state according to dispatch here.
 419         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 420         (GTM::method_group): New class.
 421         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 422         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 423         * libitm.texi: Document TM methods, method groups, method life cycle.
 424         Rename method sets to method groups.
 425
 426 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 427
 428         * config/x86/tls.h: Moved to ...
 429         * config/linux/x86/tls.h: ... here.
 430
 431 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 432
 433         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 434         Add X32 support.
 435         * config/x86/sjlj.S: Same.
 436
 437 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 438
 439         * config/linux/rwlock.h: New file.
 440         * config/linux/rwlock.c: New file.
 441         * configure.ac: Reenable futex support (undo SVN rev 157758).
 442         * Makefile.am: Same.
 443         * configure.tgt: Same.
 444         * config/linux/alpha/futex_bits.h: Same.
 445         * config/linux/futex.h: Same. Return number of woken processes.
 446         * config/linux/futex.cc: Same.
 447         (futex_wait): Remove spinning.
 448         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 449         Use __x86_64__ instead of __LP64__.
 450         * aclocal.m4: Include generic futex checks.
 451         * configure: Rebuild.
 452         * Makefile.in: Rebuild.
 453         * testsuite/Makefile.in: Rebuild.
 454         * beginend.cc: Include pthread.h.
 455         * config/posix/cachepage.cc: Same.
 456
 457 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 458
 459         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 460         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 461         (set_gtm_thr): New.
 462         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 463         (set_gtm_thr): New.
 464         (GTM::gtm_thread::thread_num): Removed.
 465         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 466         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 467         tx-to-thread renaming.
 468         * beginend.cc: Adapted to tx-to-thread renaming.
 469         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 470         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 471         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 472         gtm_transaction to gtm_thread.
 473         (_ITM_getThreadnum): Removed. Not supported anymore.
 474         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 475         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 476         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 477         gtm_tx-to-gtm_thr renaming if necessary.
 478         * eh_cpp.cc: Same.
 479         * local.cc: Same.
 480         * retry.cc: Same.
 481         * clone.cc: Same.
 482         * alloc.cc: Same.
 483         * alloc_c.cc: Same.
 484         * alloc_cpp.cc: Same.
 485         * method-serial.cc: Same.
 486         * config/generic/tls.cc: Same.
 487         * config/posix/rwlock.h (gtm_rwlock): Same.
 488         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 489
 490 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 491
 492         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 493         implementation.
 494         (gtm_rwlock::read_unlock): Same.
 495         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 496         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 497         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 498         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 499         w_upgrade. Replaced by per-transaction flags (in shared_state).
 500         Added c_confirmed_writers.
 501         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 502         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 503         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 504         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 505         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 506         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 507         * libitm.texi: Document locking conventions and implementations in
 508         libitm.
 509
 510 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 511
 512         * libitm_i.h (next_tx): Add list of all threads' transaction.
 513         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 514         transaction with list of transactions and ...
 515         (thread_exit_handler): ... deregister here.
 516         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 517         * config/x86/target.h: Same.
 518
 519 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 520
 521         * testsuite/libitm.c++/static_ctor.C: New file.
 522
 523 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 524
 525         * testsuite/libitm.c/reentrant.c: New file.
 526
 527 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 528
 529         * config/generic/tls.h: Remove the free list for transactions and ...
 530         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 531         (GTM::gtm_transaction::operator delete): ... and release here.
 532         (thread_exit_handler): New. Delete tx when thread terminates.
 533         (thread_exit_init): New.
 534         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 535         * testsuite/libitm.c/txrelease.c: New file.
 536
 537 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 538
 539         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 540         * testsuite/libitm.c/notx.c: New file.
 541
 542 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 543
 544         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 545         * libitm_i.h (local_tid): ... to here.
 546         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 547         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 548
 549 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 550
 551         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 552         serialirr_onwrite_dispatch as new default for now.
 553         * method-serial.cc (serialirr_onwrite_dispatch): New.
 554         (GTM::dispatch_serialirr_onwrite): New.
 555         * libitm_i.h: Same.
 556
 557 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 558
 559         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 560         * query.cc (_ITM_getTransactionId): There is no active transaction if
 561         the current nesting level is zero.
 562
 563 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 564
 565         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 566         rollback.
 567
 568 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 569
 570         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 571         transaction properties from the caller instead of from the
 572         transaction object.
 573         * libitm_i.h: Same.
 574         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 575
 576 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 577
 578         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 579         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 580         * dispatch.h: Same.
 581         * method-serial.cc: Same.
 582         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 583         flat nesting as default, and closed nesting on demand.
 584         (GTM::gtm_transaction::rollback): Same.
 585         (_ITM_abortTransaction): Same.
 586         (GTM::gtm_transaction::restart): Same.
 587         (GTM::gtm_transaction::trycommit): Same.
 588         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 589         (choose_code_path): New.
 590         (GTM::gtm_transaction_cp::save): New.
 591         (GTM::gtm_transaction_cp::commit): New.
 592         * query.cc (_ITM_inTransaction): Support flat nesting.
 593         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 594         (GTM::gtm_transaction): Support flat and closed nesting.
 595         * alloc.cc (commit_allocations_2): New.
 596         (commit_cb_data): New helper struct.
 597         (GTM::gtm_transaction::commit_allocations): Handle nested
 598         commits/rollbacks.
 599         * libitm.texi: Update user action section, add description of nesting.
 600
 601 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 602
 603         * libitm_i.h: Add closed nesting as restart reason.
 604         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 605
 606 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 607
 608         * useraction.cc: Use vector instead of list to store actions.
 609         Also support partial rollbacks for closed nesting.
 610         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 611         * beginend.cc: Same.
 612
 613 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 614
 615         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 616         closed_nesting flags, as well as a closed nesting alternative.
 617         * method-serial.cc: Same.
 618         (serial_dispatch): Renamed to serialirr_dispatch.
 619         (GTM::dispatch_serialirr): Same.
 620         (serial_dispatch_ul): Renamed to serial_dispatch.
 621         (GTM::dispatch_serial): Same.
 622
 623 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 624
 625         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 626
 627 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 628
 629         * aatree.h (aa_tree::remove): New.
 630         (aa_tree::operator new): Add placement new.
 631
 632 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 633
 634         * containers.h: New file.
 635         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 636         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 637         * common.h: ... to here.
 638         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 639         * local.cc: Same.
 640
 641 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 642
 643         * libitm_i.h (STATE_ABORTING): Remove.
 644         * beginend.cc (_ITM_abortTransaction): Same.
 645         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 646         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 647         (_ITM_rollbackTransaction): Remove.
 648         * beginend.cc: Same.
 649         * libitm.map: Same.
 650         * libitm.texi: Document these ABI changes.
 651
 652 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 653
 654         * libitm.texi: New file.
 655         * Makefile.am: Add libitm.texi.
 656         * Makefile.in: Rebuild.
 657
 658 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 659
 660         * libitm_i.h: Move parts to common.h and dispatch.h.
 661         * common.h: New file.
 662         * dispatch.h: New file, new dispatch class.
 663         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 664         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 665         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 666         decision to retry.cc.
 667         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 668         only.
 669         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 670         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 671         logging.
 672         * barrier.cc: Use new barriers definitions.
 673         (abi_dispatch::memmove_overlap_check): New.
 674         * config/x86/x86_sse.cc: Same.
 675         * config/x86/x86_avx.cc: Same.
 676         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 677         memcpy.cc.
 678         * Makefile.in: Rebuild.
 679         * method-readonly.cc: Remove.
 680         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 681         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 682
 683 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 684
 685         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 686         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 687         * testsuite/libitm.c/dropref-2.c: Same.
 688         * testsuite/libitm.c/dropref.c: Same.
 689
 690 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 691
 692         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 693         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 694         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 695         * alloc_c.cc: Same.
 696         * barrier.tpl: Same.
 697         * beginend.c: Same.
 698         * config/generic/tls.h: Same.
 699         * config/x86/tls.h: Same.
 700         * libitm_i.h: Same.
 701         * memcpy.cc: Same.
 702         * memset.cc: Same.
 703         * method-readonly.cc: Same.
 704         * method-serial.cc: Same.
 705         * method-wbetl.cc: Same.
 706         * retry.cc: Same.
 707
 708 2011-03-03  Richard Henderson  <rth@redhat.com>
 709
 710         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 711         From Patrik Marlier <patrick.marlier@unine.ch>.
 712
 713 2011-02-03  Richard Henderson  <rth@redhat.com>
 714
 715         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 716         * configure.ac: Use it.
 717         * configure, config.h.in: Rebuild.
 718         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 719         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 720         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 721         * libitm.map: Use wildcards to match size_t mangling.
 722
 723 2010-12-14  Richard Henderson  <rth@redhat.com>
 724
 725         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 726         blocks of TIDs per thread.
 727         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 728         (setup_gtm_thr): Return the thread structure.
 729         * config/x86/tls.h (setup_gtm_thr): Likewise.
 730
 731 2010-12-14  Richard Henderson  <rth@redhat.com>
 732
 733         * clone.cc (table_lock): Remove.
 734         (find_clone): Don't take it.
 735         (ExcludeTransaction): New helper class.
 736         (_ITM_registerTMCloneTable): Use it.
 737         (_ITM_deregisterTMCloneTable): Likewise.
 738
 739 2010-12-14  Richard Henderson  <rth@redhat.com>
 740
 741         * config/x86/tls.h: New file.
 742
 743 2010-07-15  Richard Henderson  <rth@redhat.com>
 744
 745         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 746         * Makefile.in: Rebuild.
 747
 748 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 749
 750         * method-wbetl.cc (trydropreference): Fix source line.
 751
 752 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 753
 754         * libitm.h: Add comment.
 755         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 756
 757 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 758
 759         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 760         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 761         available, use pthread mutexes.
 762         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 763         * config.h.in: Regenerate.
 764         * configure: Regenerate.
 765
 766 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 767
 768         * libitm.h (ITM_PURE): Define.
 769         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 770
 771 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 772
 773         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 774         (validate): Add comment.
 775         (trydropreference): New.
 776         * method-readonly.cc (class readonly_dispatch): Add
 777         trydropreference.
 778         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 779         Call trydropreference().
 780         * libitm.h (_ITM_dropReferences): Remove const attribute.
 781         * method-serial.cc (class serial_dispatch): Add trydropreference.
 782         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 783
 784 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 785
 786         * memcpy.cc (do_memcpy): Comment.
 787
 788 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 789
 790         * barrier.tpl: Add comments throughout.
 791
 792 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 793
 794         * method-wbetl.cc (struct w_entry): Add comments.
 795         (trycommit): Same.
 796         (rollback): Same.
 797
 798 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 799
 800         * alloc_c.cc (_ITM_dropReferences): New.
 801         * libitm.map (_ITM_dropReferences): Add.
 802         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 803         * libitm_i.h (struct gtm_transaction): Declare
 804         drop_references_allocations and drop_references_local.
 805         * local.cc (rollback_local): Ignore memory when applicable.
 806         (drop_references_local): New.
 807
 808 2010-06-23  Richard Henderson  <rth@redhat.com>
 809
 810         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 811         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 812         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 813         * config/alpha/target.h: Likewise.
 814         * config/generic/tls.cc (gtm_mask_stack): Use it.
 815
 816 2010-06-23  Richard Henderson  <rth@redhat.com>
 817
 818         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 819         a mutex instead of trying a lock-free compare-and-swap on the list.
 820         (gtm_cacheline_page::operator delete): Likewise.
 821
 822 2010-06-16  Richard Henderson  <rth@redhat.com>
 823
 824         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 825         that overlap the libitm stack.
 826         * barrier.tpl: Mark incoming stack.
 827         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 828         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 829         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 830         * memcpy.cc, memset.cc: Likewise.
 831         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 832         * config/generic/tls.h (gtm_thread): Add stack_top member.
 833         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 834         * libitm_i.h (gtm_mask_stack): Declare.
 835         * config/generic/tls.cc: New file.
 836         * Makefile.am (libitm_la_SOURCES): Add it.
 837         (AM_CXXFLAGS): Turn off exceptions.
 838         * Makefile.in: Rebuild.
 839
 840 2010-06-16  Richard Henderson  <rth@redhat.com>
 841
 842         * alloc.cc (struct gtm_alloc_action): Move definition ...
 843         * libitm_i.h: ... here.
 844         (class gtm_transaction): Declare new and delete.
 845         * beginend.cc (alloc_tx): Reformulate as operator new.
 846         (free_tx): Reformulate as operator delete.
 847         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 848
 849 2010-06-11  Richard Henderson  <rth@redhat.com>
 850
 851         * clone.cc (clone_entry_compare): Fix typo.
 852         From Patrik Marlier <patrick.marlier@unine.ch>.
 853
 854 2010-05-13  Richard Henderson  <rth@redhat.com>
 855
 856         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 857         in extern "C".
 858
 859 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 860
 861         * libitm_i.h (struct gtm_transaction): Remove
 862         get_allocation_size.
 863         (record_allocation): Remove size parameter.
 864         * libitm.map (_ITM_realloc): Remove.
 865         * alloc_c.cc (_ITM_realloc): Remove.
 866         (_ITM_malloc): Remove size argument to record_allocation.
 867         (_ITM_calloc): Same.
 868         * alloc_cpp.cc (_ZGTtnwm): Same.
 869         (_ZGTtnwmRKSt9nothrow_t): Same.
 870         (_ZGTtnam): Same.
 871         (_ZGTtnamRKSt9nothrow_t): Same.
 872         * alloc.cc (struct gtm_alloc_action): Remove size.
 873         (get_allocation_size): Remove.
 874         (commit_allocations): Add comment.
 875         (record_allocation): Remove size parameter.
 876         (forget_allocation): Remove set of size.
 877
 878 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 879
 880         * Makefile.am (abi_version): New.
 881         (AM_CXXFLAGS): Pass abi_version.
 882         * Makefile.in: Regenerate.
 883         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 884
 885 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 886
 887         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 888         _ITM_getTMCloneOrIrrevokable.
 889         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 890         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 891
 892 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 893
 894         * configure.ac: Remove Linux futex support.
 895         * configure.tgt (config_path): Same.
 896         * Makefile.am: Same.
 897         * config/linux: Remove entire directory.
 898         * configure: Rebuild.
 899         * Makefile.in: Rebuild.
 900         * testsuite/Makefile.in: Rebuild.
 901
 902 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 903
 904         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 905         switching to serial mode.
 906         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 907
 908 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 909
 910         * configure.tgt: Add emacs -*- tags.
 911         * barrier.tpl: Same.
 912
 913 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 914
 915         * Makefile.am: Rename serial.cc to method-serial.cc.
 916         * Makefile.in: Regenerate with automake 1.11.1.
 917         * testsuite/Makefile.in: Same.
 918         * aclocal.m4: Regenerate with aclocal 1.11.1.
 919         * method-serial.cc: Rename from serial.cc.
 920         * libitm_i.h (struct gtm_transaction): Update comment on
 921         serialirr_mode.
 922
 923 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 924
 925         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 926         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 927
 928 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 929
 930         * configure: Rebuild.
 931
 932 2009-11-12  Richard Henderson  <rth@redhat.com>
 933
 934         * Rewrite everything in C++.
 935
 936 2009-11-03  Richard Henderson  <rth@redhat.com>
 937
 938         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 939         * Makefile.am (libitm_la_SOURCES): Add them.
 940         * configure.ac (ARCH_X86): New conditional.
 941         * Makefile.in, configure: Rebuild.
 942         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 943         Move futex setup into "other system configury" case.
 944         * local.c (rollback_local): Merge into ...
 945         (GTM_rollback_local): ... here.
 946         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 947         (_ITM_LB): Define as an alias to GTM_LB.
 948
 949 2009-11-03  Richard Henderson  <rth@redhat.com>
 950
 951         * method-readonly.c: New file.
 952         * Makefile.am (libitm_la_SOURCES): Add it.
 953         * Makefile.in: Rebuild.
 954         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 955         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 956         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 957         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 958         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 959         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 960         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 961         gtm_get_clock, gtm_inc_clock): New.
 962         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 963         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 964         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 965         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 966         replace uses with new libitm_i.h symbols.
 967         (dispatch_wbetl): Rename from wbetl_dispatch.
 968         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 969         away from dispatch_readonly; abort if the beginTransaction call
 970         asserted that the transaction was readonly.
 971
 972 2009-11-03  Richard Henderson  <rth@redhat.com>
 973
 974         * memset.c: New file.
 975         * Makefile.am (libitm_la_SOURCES): Add it.
 976         * Makefile.in: Rebuild.
 977         * testsuite/libitm.c/memset-1.c: New.
 978
 979 2009-11-03  Richard Henderson  <rth@redhat.com>
 980
 981         * dispatch.c: Remove file.
 982         * useraction.c (struct gtm_user_action): Move from libitm.h.
 983         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 984         (serial_memset, serial_memmove, serial_memcpy): Remove.
 985         (serial_W*, serial_R*): Remove.
 986         (serial_dispatch): Update to match.
 987         * configure.ac: Move Werror down below configure checks.  Don't
 988         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 989         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 990         Use GCC_AC_FUNC_MMAP_BLACKLIST
 991         * libitm.h: Split out all internal items to...
 992         * libitm_i.h: ... here.  New file.
 993         * copymask.c: New file.
 994         * local.c (struct gtm_local_undo): Move from libitm.h.
 995         (GTM_alloc_local): Rename from alloc_local; export.
 996         * memcpy.c: New file.
 997         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 998         * config/posix/page.c: New file.
 999         * config/posix/target_tls.h: Remove file.
1000         * barrier.c: New file.
1001         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1002         copymask.c, page.c.
1003         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1004         * method-wbetl.c: Rewrite for new cacheline methods.
1005         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1006
1007         * config/alpha/sjlj.S: Fix typo.
1008         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1009         * config/alpha/copymask.c: New file.
1010         * config/alpha/target.h (CACHELINE_SIZE): New.
1011         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1012
1013         * config/x86/target_i.h: Copy functions from x86/target.h.
1014         * config/x86/copymask.c: New file.
1015         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1016         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1017         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1018         * config/x86/target_tls.h: Move contents to target_i.h.
1019
1020         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1021         * testsuite/libitm.c/memcpy-1.c: New.
1022
1023 2009-10-22  Richard Henderson  <rth@redhat.com>
1024
1025         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1026         (AM_CCASFLAGS): New.
1027         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1028         saving/restoring _AC_ARG_VAR_PRECIOUS.
1029         * Makefile.in, aclocal.m4, config.h.in, configure,
1030         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1031
1032 2009-10-22  Richard Henderson  <rth@redhat.com>
1033
1034         * testsuite/*: Update for new compiler syntax.
1035
1036 2009-10-21  Richard Henderson  <rth@redhat.com>
1037
1038         * libitm.h (_ITM_abortReason): Add outerAbort.
1039
1040 2009-08-03  Richard Henderson  <rth@redhat.com>
1041
1042         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1043         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1044         * method-wbetl.c (struct w_entry): Remove mask.
1045         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1046         adjust all callers.
1047
1048 2009-07-22  Richard Henderson  <rth@redhat.com>
1049
1050         * eh_cpp.c: New file.
1051         * Makefile.am (libitm_la_SOURCES): Add it.
1052         * Makefile.in: Rebuild.
1053         * beginend.c (GTM_rollback_transaction): Undo exception state.
1054         (GTM_trycommit_transaction): Mark inline.
1055         (GTM_trycommit_and_finalize_transaction): Split out from ...
1056         (_ITM_commitTransaction): ... here.
1057         (_ITM_commitTransactionEH): New function.
1058         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1059         cxa_unthrown, eh_in_flight; reorder.
1060
1061         * testsuite/libitm.c++/c++.exp: New.
1062         * testsuite/libitm.c++/eh-1.C: New.
1063
1064         * aatree.c (aa_free): Remove REGPARM.
1065         * aatree.h: Remove all REGPARM.
1066
1067 2009-07-18  Richard Henderson  <rth@redhat.com>
1068
1069         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1070         * Makefile.am (libitm_la_SOURCES): Add them.
1071         * Makefile.in: Rebuild.
1072         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1073         (GTM_trycommit_transaction): Likewise.
1074         * libitm.h: Include aatree.h
1075         (struct gtm_alloc_action): New.
1076         (struct gtm_transaction): Add alloc_actions.
1077         (GTM_record_allocation, GTM_forget_allocation): Declare.
1078         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1079         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1080         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1081         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1082         _ZGTtdaPvRKSt9nothrow_t): Export.
1083
1084 2009-07-18  Richard Henderson  <rth@redhat.com>
1085
1086         * target_tls.h: Move ...
1087         * config/posix/target_tls.h: ... here.
1088
1089 2009-07-07  Richard Henderson  <rth@redhat.com>
1090
1091         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1092
1093 2009-07-07  Richard Henderson  <rth@redhat.com>
1094
1095         * Update to GPL3.
1096
1097 2009-07-07  Richard Henderson  <rth@redhat.com>
1098
1099         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1100         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1101
1102         * configure.tgt: Don't use -ftls-model for x86 linux.
1103         * libitm.h: Include target.h after standard includes.
1104         (_gtm_thr): Rename from gtm_thr.
1105         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1106         (gtm_disp, set_gtm_disp): New.
1107         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1108         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1109         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1110
1111 2009-07-07  Richard Henderson  <rth@redhat.com>
1112
1113         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1114
1115 2009-07-06  Richard Henderson  <rth@redhat.com>
1116
1117         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1118         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1119         (_ITM_beginTransaction): Take variadic arguments.
1120         (_ITM_registerThrownObject): Declare.
1121         * beginend.c, serial.c: Update.
1122         * libitm.map: Add _ITM_registerThrownObject.
1123
1124 2009-01-28  Richard Henderson  <rth@redhat.com>
1125
1126         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1127         * Makefile.in: Rebuild.
1128         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1129         (GTM_restart_transaction): Fix uninstrumented code check.
1130         * retry.c (GTM_decide_retry_strategy): Add serial check.
1131         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1132         automatically go irrevokable when in serial mode.
1133         * clone.c: New file.
1134         * libitm.h, libitm.map: Update.
1135
1136 2009-01-27  Richard Henderson  <rth@redhat.com>
1137
1138         * Makefile.am (LTCCASCOMPILE): Define.
1139         (libitm_la_SOURCES): Add methid-wbetl.c.
1140         * testsuite/Makefile.am: New
1141         * configure.ac: Add testsuite/Makefile.
1142         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1143         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1144         (_ITM_abortTransaction): Finalize implementation method; pass
1145         transaction properties to longjmp.
1146         (GTM_restart_transaction): Split out from ...
1147         (_ITM_commitTransaction): ... here.
1148         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1149         Move to config/x86/target.h.
1150         * config/linux/alpha/futex_bits.h: New.
1151         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1152         * config/x86/target.h: Disable target types for 32-bit.
1153         * config/alpha/sjlj.S, config/alpha/target.h: New.
1154         * libitm.h (struct gtm_dispatch): Add init, fini.
1155         (enum restart_reason): New.
1156         (struct gtm_transaction): Add method and restarts.
1157         * retry.c (GTM_decide_retry_strategy): Implement.
1158         * serial.c (serial_init, serial_fini): New.
1159         (GTM_serialmode): Finialize outgoing method.
1160         * method-wbetl.c: New.
1161
1162 2008-12-09  Richard Henderson  <rth@redhat.com>
1163
1164         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1165         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1166         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1167         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1168         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1169         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1170         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1171         * serial.c (serial_R##T, serial_W##T): Likewise.
1172
1173 2008-11-21  Richard Henderson  <rth@redhat.com>
1174
1175         * Initial commit.