libitm/ChangeLog

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