libitm/ChangeLog

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