libitm/ChangeLog

   1 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   2
   3         * clearcap.map: New file.
   4         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
   5         * configure.ac: Call it.
   6         Clear HWCAP_LDFLAGS if defaulting to -mavx.
   7         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
   8         * configure: Regenerate.
   9         * Makefile.in: Regenerate.
  10         * testsuite/Makefile.in: Regenerate.
  11
  12 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  13
  14         PR libitm/51173
  15         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
  16         include, exclude options.
  17
  18 2012-01-14  Torvald Riegel  <triegel@redhat.com>
  19
  20         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
  21         rolling back.
  22         * containers.h (GTM::vector::set_size): New.
  23
  24 2012-01-14  Torvald Riegel  <triegel@redhat.com>
  25
  26         PR libitm/51855
  27         * config/generic/tls.h (GTM::mask_stack_top): New.
  28         (GTM::mask_stack_bottom): Declare.
  29         * config/generic/tls.c (GTM::mask_stack_bottom): New.
  30         * local.cc (gtm_undolog::rollback): Filter out any updates that
  31         overlap the libitm stack.  Add current transaction as parameter.
  32         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
  33         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
  34         * testsuite/libitm.c/stackundo.c: New test.
  35
  36 2012-01-10  Richard Henderson  <rth@redhat.com>
  37
  38         * libitm_i.h (_Unwind_DeleteException): Declare weak.
  39         * eh_cpp.cc (_Unwind_DeleteException): Define for
  40         !HAVE_ELF_STYLE_WEAKREF.
  41
  42 2012-01-08  Torvald Riegel  <triegel@redhat.com>
  43
  44         * local.cc (GTM_LB): Use GTM::gtm_undolog.
  45         (GTM::gtm_thread::drop_references_undolog): Remove.
  46         (GTM::gtm_thread::commit_undolog,
  47         GTM::gtm_thread::rollback_undolog): Move to ...
  48         * libitm_i.h (GTM::gtm_undolog): ...here. New.
  49         (GTM::gtm_undolog_entry): Remove.
  50         (GTM::gtm_thread): Adapt.
  51         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
  52         (GTM::gtm_thread::trycommit): Adapt.
  53         * method-serial.cc (serial_dispatch::log): Adapt.
  54         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
  55         (gl_wt_dispatch::store): Fix likely/unlikely.
  56         * containers.h (GTM::vector::resize): Add additional_capacity
  57         parameter and handle it.
  58         (GTM::vector::resize_noinline): New/adapt.
  59         (GTM::vector::push): New.
  60
  61 2012-01-06  Richard Henderson  <rth@redhat.com>
  62
  63         * configure.tgt: Support powerpc-linux and powerpc-darwin.
  64         * config/linux/powerpc/futex_bits.h: New file.
  65         * config/powerpc/cacheline.h: New file.
  66         * config/powerpc/sjlj.S: New file.
  67         * config/powerpc/target.h: New file.
  68         * config/generic/asmcfi.h (cfi_offset): New.
  69         (cfi_restore, cfi_undefined): New.
  70
  71 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
  72
  73         PR other/51171
  74         * testsuite/libitm.c/reentrant.c: Remove xfail.
  75         (thread): Pass x to pure().
  76         From Patrik Marlier <patrick.marlier@gmail.com>.
  77
  78 2011-12-24  Torvald Riegel  <triegel@redhat.com>
  79
  80         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
  81         privatization safety if already in serial mode.
  82
  83 2011-12-24  Torvald Riegel  <triegel@redhat.com>
  84
  85         * beginend.cc (GTM::gtm_thread::restart): Add and handle
  86         finish_serial_upgrade parameter.
  87         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
  88         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
  89         Don't unset reader flag.
  90         (GTM::gtm_rwlock::write_upgrade_finish): New.
  91         * config/posix/rwlock.cc: Same.
  92         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
  93         Declare.
  94         * config/posix/rwlock.h: Same.
  95         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
  96         flag after commit or after rollback when restarting.
  97
  98 2011-12-24  Torvald Riegel  <triegel@redhat.com>
  99
 100         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 101         (GTM::gtm_thread::try_commit): Changed memory order.
 102         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 103         as parameter.
 104         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 105         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 106         * config/linux/futex_bits.h (sys_futex0): Same.
 107         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 108         * config/linux/futex.h (futex_wait, futex_wake): Same.
 109         * config/linux/rwlock.h (gtm_rwlock::writers,
 110         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 111         ints.
 112         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 113         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 114         gtm_rwlock::write_unlock): Fix memory orders and fences.
 115         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 116         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 117         gtm_rwlock::write_unlock): Same.
 118         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 119         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 120         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 121         Add comments.
 122         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 123         gl_wt_dispatch::load, gl_wt_dispatch::store,
 124         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 125         orders and fences.  Add comments.
 126
 127 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 128
 129         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 130         * Makefile.in: Regenerated.
 131
 132 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 133
 134         * configure.tgt: Add sh* case.
 135         * config/sh/target.h: New file.
 136         * config/sh/sjlj.S: New file.
 137         * config/linux/sh/futex_bits.h: New file.
 138
 139 2011-12-14  Richard Henderson  <rth@redhat.com>
 140
 141         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 142         * config/arm/sjlj.S, config/arm/target.h: New files.
 143         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 144         (cfi_rel_offset): New.
 145         * config/linux/futex_bits.h: New file.
 146         * config/linux/futex.cc: Include futex_bits.h here...
 147         * config/linux/futex.h: ... not here.
 148         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 149         * configure.ac (ARCH_AM): New conditional.
 150         * Makefile.in, configure: Rebuild.
 151         * configure.tgt: Handle ARM.
 152
 153 2011-12-13  Richard Henderson  <rth@redhat.com>
 154
 155         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 156         signed/unsigned comparison werror.
 157
 158         * local_atomic: New file.
 159         * libitm_i.h: Include it.
 160         (gtm_thread::shared_state): Use atomic template.
 161         * beginend.cc (GTM::gtm_clock): Use atomic template.
 162         (global_tid): Use atomic template if 64-bit atomics available.
 163         (gtm_thread::gtm_thread): Update shared_state access.
 164         (gtm_thread::trycommit): Likewise.
 165         (choose_code_path): Update global_tid access.
 166         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 167         * stmlock.h (GTM::gtm_clock): Use atomic template.
 168         (gtm_get_clock, gtm_inc_clock): Update accesses.
 169         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 170         redundant __sync_synchronize after atomic shared_state access.
 171         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 172         (gtm_rwlock::write_lock_generic): Likewise.
 173         (gtm_rwlock::read_unlock): Likewise.
 174         * config/alpha/target.h (atomic_read_barrier): Remove.
 175         (atomic_write_barrier): Remove.
 176         * config/x86/target.h (atomic_read_barrier): Remove.
 177         (atomic_write_barrier): Remove.
 178
 179 2011-11-30  Richard Henderson  <rth@redhat.com>
 180
 181         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 182         * beginend.c (_ITM_abortTransaction): Update to match.
 183         (GTM::gtm_thread::restart): Likewise.
 184         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 185         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 186
 187 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 188
 189         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 190         * Makefile.in: Regenerate.
 191
 192 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 193
 194         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 195         * alloc_cpp.cc: Generate dummy functions if we don't
 196         HAVE_ELF_STYLE_WEAKREF.
 197         * eh_cpp.cc: Likewise.
 198         * configure: Regenerate.
 199         * aclocal.m4:  Likewise.
 200         * config.h.in: Likewise.
 201         * Makefile.in: Likewise.
 202         * testsuite/Makefile.in: Likewise.
 203
 204 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 205
 206         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 207         __USER_LABEL_PREFIX__ for targets that use it.
 208         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 209         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 210         in portability to non-elf targets.
 211         (GTM_longjmp): Likewise.
 212         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 213         where required.
 214
 215 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 216
 217         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 218         * testsuite/libitm.c/memset-1.c: Likewise.
 219
 220 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 221
 222         * configure: Regenerate.
 223
 224 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 225
 226         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 227         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 228         * Makefile.am: Handle sun style versioning.
 229         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 230         * configure: Regenerate.
 231         * Makefile.in: Regenerate.
 232
 233 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 234
 235         * config/generic/asmcfi.h: Fix comment.
 236         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 237         sequence without .hidden support, error for non-ELF targets.
 238         (GTM_longjmp) [__ELF__]: Only use .hidden if
 239         HAVE_ATTRIBUTE_VISIBILITY.
 240
 241 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 242
 243         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 244         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 245         Dummy functions.
 246         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 247         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 248
 249 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 250
 251         PR bootstrap/51098
 252         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 253         * configure: Regenerate.
 254
 255 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 256
 257         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 258
 259 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 260
 261         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 262         .hidden.
 263         (.note.GNU-stack): Only use if __linux__.
 264         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 265         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 266         * testsuite/libitm.c/reentrant.c: Likewise.
 267         * testsuite/libitm.c/simple-2.c: Likewise.
 268         * testsuite/libitm.c/txrelease.c: Likewise.
 269         * testsuite/libitm.c++/static_ctor.C: Likewise.
 270
 271 2011-11-10  Richard Henderson  <rth@redhat.com>
 272
 273         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 274         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 275         * configure.ac (ARCH_X86_AVX): New conditional.
 276         * Makefile.in, configure: Rebuild.
 277
 278 2011-11-09  Richard Henderson  <rth@redhat.com>
 279
 280         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 281         * configure.ac: Use it.
 282         * config.h.in, configure: Rebuild.
 283         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 284
 285 2011-11-09  Richard Henderson  <rth@redhat.com>
 286
 287         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 288         * config/alpha/unaligned.h: Remove file.
 289         * config/generic/unaligned.h: Remove file.
 290         * config/x86/unaligned.h: Remove file.
 291         * config/generic/cachepage.h: Remove file.
 292         * config/posix/cachepage.cc: Remove file.
 293         * config/generic/cacheline.cc: Remove file.
 294         * config/x86/cacheline.cc: Remove file.
 295         * config/generic/cacheline.h (gtm_cacheline): Remove the
 296         store_mask, copy_mask, copy_mask_wb methods.
 297         * config/x86/cacheline.h: Likewise.
 298         * config/alpha/cacheline.h: Fall back to generic after setting size.
 299         * config/generic/tls.cc (gtm_mask_stack): Remove.
 300         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 301         (GTM_vpalignr_table): Remove.
 302         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 303         (GTM_pshift_table): Remove.
 304         * config/libitm_i.h: Don't include cachepage.h.
 305         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 306         * Makefile.in, testsuite/Makefile.in: Rebuild.
 307
 308 2011-11-09  Richard Henderson  <rth@redhat.com>
 309
 310         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 311         to emit branch prediction hint.
 312
 313         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 314         Protect .note.GNU-stack with __linux__.
 315
 316         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 317         * configure, aclocal.m4, config.h.in: Rebuild.
 318         * config/generic/asmcfi.h: New file.
 319         * config/x86/sjlj.S: Use it.
 320
 321 2011-11-08  Richard Henderson  <rth@redhat.com>
 322
 323         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 324
 325 2011-11-08  Richard Henderson  <rth@redhat.com>
 326
 327         * configure.tgt: Test correct directory for supported cpus.
 328
 329         * configure.ac: Exit if unsupported.
 330         * configure: Rebuild.
 331         * configure.tgt: Delete boilerplate from libgomp for unsupported
 332         targets.  Set UNSUPPORTED for unsupported targets.
 333
 334 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 335
 336         * configure.tgt: Handle i386 like i[456]86.
 337         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 338         take address.
 339         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 340         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 341
 342 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 343
 344         * method-wbetl.cc: Update copyright notice.
 345         * aatree.cc: Same.
 346         * util.cc: Same.
 347         * libitm.h: Same.
 348         * memset.cc: Same.
 349         * eh_cpp.cc: Same.
 350         * barrier.tpl: Same.
 351         * useraction.cc: Same.
 352         * stmlock.h: Same.
 353         * memcpy.cc: Same.
 354         * common.h: Same.
 355         * config/generic/tls.cc: Same.
 356         * config/generic/cacheline.h: Same.
 357         * config/generic/cachepage.h: Same.
 358         * config/generic/cacheline.cc: Same.
 359         * config/generic/unaligned.h: Same.
 360         * config/x86/cacheline.h: Same.
 361         * config/x86/cacheline.cc: Same.
 362         * config/x86/unaligned.h: Same.
 363         * config/alpha/cacheline.h: Same.
 364         * config/alpha/unaligned.h: Same.
 365         * config/alpha/sjlj.S: Same.
 366         * config/posix/cachepage.cc: Same.
 367         * config/linux/futex.h: Same.
 368         * config/linux/alpha/futex_bits.h: Same.
 369
 370 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 371
 372         * libitm.texi: No cover text and invariant sections.
 373
 374 2011-11-03  Richard Henderson  <rth@redhat.com>
 375
 376         * local_type_traits: New file.
 377         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 378
 379 2011-11-03  Richard Henderson  <rth@redhat.com>
 380
 381         * configure.ac: Don't test for gfortran.
 382         * configure: Rebuild.
 383
 384         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 385         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 386
 387 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 388
 389         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 390         * testsuite/libitm.c/memset-1.c: Same.
 391         * testsuite/libitm.c/c.exp: Same.
 392         * testsuite/lib/libitm-dg.exp: Same.
 393         * testsuite/lib/libitm.exp: Same.
 394         * testsuite/libitm.c++/c++.exp: Same.
 395
 396 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 397
 398         * testsuite/config/default.exp: Update copyright date.
 399         * configure.ac: Add copyright info.
 400         * configure.tgt: Same.
 401
 402 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 403
 404         * testsuite/libitm.c/reentrant.c: XFAIL.
 405         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 406
 407 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 408
 409         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 410         handle aborts.
 411         (_ITM_abortTransaction): Handle aborts of outer transactions.
 412         * libitm_i.h: Same.
 413         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 414         * libitm.texi: Document aborts of outer transactions.
 415         * testsuite/libitm.c/cancel.c: New file.
 416
 417 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 418
 419         * testsuite/*: Change __transaction to __transaction_atomic or
 420         __transaction_relaxed.
 421
 422 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 423
 424         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 425         (gtm_thr): Same.
 426
 427 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 428
 429         * libitm_i.h: Add gl_wt dispatch.
 430         * retry.cc (parse_default_method): Same.
 431         * method-gl.cc: New file.
 432         * Makefile.am: Use method-gl.cc.
 433         * Makefile.in: Rebuild.
 434
 435 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 436
 437         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 438         safety if requested by a TM method.
 439         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 440         privatization safety.
 441         * method-serial.cc: Same.
 442
 443 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 444
 445         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 446         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 447         undolog-related member functions from *_local to *_undolog.
 448         * local.cc (gtm_thread::commit_undolog): Same.
 449         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 450         (GTM::gtm_thread::rollback): Roll back undolog before
 451         dispatch-specific rollback.
 452
 453 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 454
 455         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 456         re-initialization of the current method group.
 457         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 458
 459 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 460
 461         * alloc.cc (commit_allocations_2): Do not free transaction-local
 462         memory when committing a nested transaction.
 463
 464 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 465
 466         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 467         serial-irrevocable dispatch, not serial.
 468
 469 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 470
 471         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 472         declarations.
 473         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 474         * method-serial.cc: Implement begin_or_restart().
 475         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 476         dispatch-specific begin_or_restart().
 477         (GTM::gtm_thread::restart): Same.
 478
 479 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 480
 481         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 482         restarting without switching to serial mode.
 483         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 484         transaction state. Choose closed-nesting alternative if available.
 485         (GTM::gtm_thread::set_default_dispatch): New.
 486         (parse_default_method): New.
 487         (GTM::gtm_thread::number_of_threads_changed): New.
 488         * method-serial.cc (GTM::serial_mg): New method group class.
 489         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 490         fini.
 491         (GTM::serial_dispatch): Same.
 492         (GTM::serialirr_onwrite_dispatch): Same.
 493         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 494         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 495         registered threads.
 496         (GTM::gtm_thread::gtm_thread): Same.
 497         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 498         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 499         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 500         choose dispatch but set state according to dispatch here.
 501         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 502         (GTM::method_group): New class.
 503         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 504         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 505         * libitm.texi: Document TM methods, method groups, method life cycle.
 506         Rename method sets to method groups.
 507
 508 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 509
 510         * config/x86/tls.h: Moved to ...
 511         * config/linux/x86/tls.h: ... here.
 512
 513 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 514
 515         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 516         Add X32 support.
 517         * config/x86/sjlj.S: Same.
 518
 519 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 520
 521         * config/linux/rwlock.h: New file.
 522         * config/linux/rwlock.c: New file.
 523         * configure.ac: Reenable futex support (undo SVN rev 157758).
 524         * Makefile.am: Same.
 525         * configure.tgt: Same.
 526         * config/linux/alpha/futex_bits.h: Same.
 527         * config/linux/futex.h: Same. Return number of woken processes.
 528         * config/linux/futex.cc: Same.
 529         (futex_wait): Remove spinning.
 530         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 531         Use __x86_64__ instead of __LP64__.
 532         * aclocal.m4: Include generic futex checks.
 533         * configure: Rebuild.
 534         * Makefile.in: Rebuild.
 535         * testsuite/Makefile.in: Rebuild.
 536         * beginend.cc: Include pthread.h.
 537         * config/posix/cachepage.cc: Same.
 538
 539 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 540
 541         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 542         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 543         (set_gtm_thr): New.
 544         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 545         (set_gtm_thr): New.
 546         (GTM::gtm_thread::thread_num): Removed.
 547         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 548         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 549         tx-to-thread renaming.
 550         * beginend.cc: Adapted to tx-to-thread renaming.
 551         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 552         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 553         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 554         gtm_transaction to gtm_thread.
 555         (_ITM_getThreadnum): Removed. Not supported anymore.
 556         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 557         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 558         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 559         gtm_tx-to-gtm_thr renaming if necessary.
 560         * eh_cpp.cc: Same.
 561         * local.cc: Same.
 562         * retry.cc: Same.
 563         * clone.cc: Same.
 564         * alloc.cc: Same.
 565         * alloc_c.cc: Same.
 566         * alloc_cpp.cc: Same.
 567         * method-serial.cc: Same.
 568         * config/generic/tls.cc: Same.
 569         * config/posix/rwlock.h (gtm_rwlock): Same.
 570         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 571
 572 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 573
 574         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 575         implementation.
 576         (gtm_rwlock::read_unlock): Same.
 577         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 578         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 579         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 580         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 581         w_upgrade. Replaced by per-transaction flags (in shared_state).
 582         Added c_confirmed_writers.
 583         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 584         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 585         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 586         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 587         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 588         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 589         * libitm.texi: Document locking conventions and implementations in
 590         libitm.
 591
 592 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 593
 594         * libitm_i.h (next_tx): Add list of all threads' transaction.
 595         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 596         transaction with list of transactions and ...
 597         (thread_exit_handler): ... deregister here.
 598         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 599         * config/x86/target.h: Same.
 600
 601 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 602
 603         * testsuite/libitm.c++/static_ctor.C: New file.
 604
 605 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 606
 607         * testsuite/libitm.c/reentrant.c: New file.
 608
 609 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 610
 611         * config/generic/tls.h: Remove the free list for transactions and ...
 612         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 613         (GTM::gtm_transaction::operator delete): ... and release here.
 614         (thread_exit_handler): New. Delete tx when thread terminates.
 615         (thread_exit_init): New.
 616         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 617         * testsuite/libitm.c/txrelease.c: New file.
 618
 619 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 620
 621         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 622         * testsuite/libitm.c/notx.c: New file.
 623
 624 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 625
 626         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 627         * libitm_i.h (local_tid): ... to here.
 628         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 629         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 630
 631 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 632
 633         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 634         serialirr_onwrite_dispatch as new default for now.
 635         * method-serial.cc (serialirr_onwrite_dispatch): New.
 636         (GTM::dispatch_serialirr_onwrite): New.
 637         * libitm_i.h: Same.
 638
 639 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 640
 641         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 642         * query.cc (_ITM_getTransactionId): There is no active transaction if
 643         the current nesting level is zero.
 644
 645 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 646
 647         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 648         rollback.
 649
 650 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 651
 652         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 653         transaction properties from the caller instead of from the
 654         transaction object.
 655         * libitm_i.h: Same.
 656         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 657
 658 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 659
 660         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 661         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 662         * dispatch.h: Same.
 663         * method-serial.cc: Same.
 664         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 665         flat nesting as default, and closed nesting on demand.
 666         (GTM::gtm_transaction::rollback): Same.
 667         (_ITM_abortTransaction): Same.
 668         (GTM::gtm_transaction::restart): Same.
 669         (GTM::gtm_transaction::trycommit): Same.
 670         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 671         (choose_code_path): New.
 672         (GTM::gtm_transaction_cp::save): New.
 673         (GTM::gtm_transaction_cp::commit): New.
 674         * query.cc (_ITM_inTransaction): Support flat nesting.
 675         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 676         (GTM::gtm_transaction): Support flat and closed nesting.
 677         * alloc.cc (commit_allocations_2): New.
 678         (commit_cb_data): New helper struct.
 679         (GTM::gtm_transaction::commit_allocations): Handle nested
 680         commits/rollbacks.
 681         * libitm.texi: Update user action section, add description of nesting.
 682
 683 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 684
 685         * libitm_i.h: Add closed nesting as restart reason.
 686         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 687
 688 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 689
 690         * useraction.cc: Use vector instead of list to store actions.
 691         Also support partial rollbacks for closed nesting.
 692         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 693         * beginend.cc: Same.
 694
 695 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 696
 697         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 698         closed_nesting flags, as well as a closed nesting alternative.
 699         * method-serial.cc: Same.
 700         (serial_dispatch): Renamed to serialirr_dispatch.
 701         (GTM::dispatch_serialirr): Same.
 702         (serial_dispatch_ul): Renamed to serial_dispatch.
 703         (GTM::dispatch_serial): Same.
 704
 705 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 706
 707         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 708
 709 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 710
 711         * aatree.h (aa_tree::remove): New.
 712         (aa_tree::operator new): Add placement new.
 713
 714 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 715
 716         * containers.h: New file.
 717         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 718         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 719         * common.h: ... to here.
 720         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 721         * local.cc: Same.
 722
 723 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 724
 725         * libitm_i.h (STATE_ABORTING): Remove.
 726         * beginend.cc (_ITM_abortTransaction): Same.
 727         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 728         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 729         (_ITM_rollbackTransaction): Remove.
 730         * beginend.cc: Same.
 731         * libitm.map: Same.
 732         * libitm.texi: Document these ABI changes.
 733
 734 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 735
 736         * libitm.texi: New file.
 737         * Makefile.am: Add libitm.texi.
 738         * Makefile.in: Rebuild.
 739
 740 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 741
 742         * libitm_i.h: Move parts to common.h and dispatch.h.
 743         * common.h: New file.
 744         * dispatch.h: New file, new dispatch class.
 745         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 746         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 747         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 748         decision to retry.cc.
 749         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 750         only.
 751         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 752         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 753         logging.
 754         * barrier.cc: Use new barriers definitions.
 755         (abi_dispatch::memmove_overlap_check): New.
 756         * config/x86/x86_sse.cc: Same.
 757         * config/x86/x86_avx.cc: Same.
 758         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 759         memcpy.cc.
 760         * Makefile.in: Rebuild.
 761         * method-readonly.cc: Remove.
 762         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 763         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 764
 765 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 766
 767         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 768         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 769         * testsuite/libitm.c/dropref-2.c: Same.
 770         * testsuite/libitm.c/dropref.c: Same.
 771
 772 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 773
 774         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 775         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 776         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 777         * alloc_c.cc: Same.
 778         * barrier.tpl: Same.
 779         * beginend.c: Same.
 780         * config/generic/tls.h: Same.
 781         * config/x86/tls.h: Same.
 782         * libitm_i.h: Same.
 783         * memcpy.cc: Same.
 784         * memset.cc: Same.
 785         * method-readonly.cc: Same.
 786         * method-serial.cc: Same.
 787         * method-wbetl.cc: Same.
 788         * retry.cc: Same.
 789
 790 2011-03-03  Richard Henderson  <rth@redhat.com>
 791
 792         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 793         From Patrik Marlier <patrick.marlier@unine.ch>.
 794
 795 2011-02-03  Richard Henderson  <rth@redhat.com>
 796
 797         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 798         * configure.ac: Use it.
 799         * configure, config.h.in: Rebuild.
 800         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 801         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 802         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 803         * libitm.map: Use wildcards to match size_t mangling.
 804
 805 2010-12-14  Richard Henderson  <rth@redhat.com>
 806
 807         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 808         blocks of TIDs per thread.
 809         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 810         (setup_gtm_thr): Return the thread structure.
 811         * config/x86/tls.h (setup_gtm_thr): Likewise.
 812
 813 2010-12-14  Richard Henderson  <rth@redhat.com>
 814
 815         * clone.cc (table_lock): Remove.
 816         (find_clone): Don't take it.
 817         (ExcludeTransaction): New helper class.
 818         (_ITM_registerTMCloneTable): Use it.
 819         (_ITM_deregisterTMCloneTable): Likewise.
 820
 821 2010-12-14  Richard Henderson  <rth@redhat.com>
 822
 823         * config/x86/tls.h: New file.
 824
 825 2010-07-15  Richard Henderson  <rth@redhat.com>
 826
 827         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 828         * Makefile.in: Rebuild.
 829
 830 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 831
 832         * method-wbetl.cc (trydropreference): Fix source line.
 833
 834 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 835
 836         * libitm.h: Add comment.
 837         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 838
 839 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 840
 841         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 842         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 843         available, use pthread mutexes.
 844         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 845         * config.h.in: Regenerate.
 846         * configure: Regenerate.
 847
 848 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 849
 850         * libitm.h (ITM_PURE): Define.
 851         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 852
 853 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 854
 855         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 856         (validate): Add comment.
 857         (trydropreference): New.
 858         * method-readonly.cc (class readonly_dispatch): Add
 859         trydropreference.
 860         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 861         Call trydropreference().
 862         * libitm.h (_ITM_dropReferences): Remove const attribute.
 863         * method-serial.cc (class serial_dispatch): Add trydropreference.
 864         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 865
 866 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 867
 868         * memcpy.cc (do_memcpy): Comment.
 869
 870 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 871
 872         * barrier.tpl: Add comments throughout.
 873
 874 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 875
 876         * method-wbetl.cc (struct w_entry): Add comments.
 877         (trycommit): Same.
 878         (rollback): Same.
 879
 880 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 881
 882         * alloc_c.cc (_ITM_dropReferences): New.
 883         * libitm.map (_ITM_dropReferences): Add.
 884         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 885         * libitm_i.h (struct gtm_transaction): Declare
 886         drop_references_allocations and drop_references_local.
 887         * local.cc (rollback_local): Ignore memory when applicable.
 888         (drop_references_local): New.
 889
 890 2010-06-23  Richard Henderson  <rth@redhat.com>
 891
 892         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 893         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 894         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 895         * config/alpha/target.h: Likewise.
 896         * config/generic/tls.cc (gtm_mask_stack): Use it.
 897
 898 2010-06-23  Richard Henderson  <rth@redhat.com>
 899
 900         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 901         a mutex instead of trying a lock-free compare-and-swap on the list.
 902         (gtm_cacheline_page::operator delete): Likewise.
 903
 904 2010-06-16  Richard Henderson  <rth@redhat.com>
 905
 906         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 907         that overlap the libitm stack.
 908         * barrier.tpl: Mark incoming stack.
 909         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 910         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 911         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 912         * memcpy.cc, memset.cc: Likewise.
 913         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 914         * config/generic/tls.h (gtm_thread): Add stack_top member.
 915         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 916         * libitm_i.h (gtm_mask_stack): Declare.
 917         * config/generic/tls.cc: New file.
 918         * Makefile.am (libitm_la_SOURCES): Add it.
 919         (AM_CXXFLAGS): Turn off exceptions.
 920         * Makefile.in: Rebuild.
 921
 922 2010-06-16  Richard Henderson  <rth@redhat.com>
 923
 924         * alloc.cc (struct gtm_alloc_action): Move definition ...
 925         * libitm_i.h: ... here.
 926         (class gtm_transaction): Declare new and delete.
 927         * beginend.cc (alloc_tx): Reformulate as operator new.
 928         (free_tx): Reformulate as operator delete.
 929         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 930
 931 2010-06-11  Richard Henderson  <rth@redhat.com>
 932
 933         * clone.cc (clone_entry_compare): Fix typo.
 934         From Patrik Marlier <patrick.marlier@unine.ch>.
 935
 936 2010-05-13  Richard Henderson  <rth@redhat.com>
 937
 938         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 939         in extern "C".
 940
 941 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 942
 943         * libitm_i.h (struct gtm_transaction): Remove
 944         get_allocation_size.
 945         (record_allocation): Remove size parameter.
 946         * libitm.map (_ITM_realloc): Remove.
 947         * alloc_c.cc (_ITM_realloc): Remove.
 948         (_ITM_malloc): Remove size argument to record_allocation.
 949         (_ITM_calloc): Same.
 950         * alloc_cpp.cc (_ZGTtnwm): Same.
 951         (_ZGTtnwmRKSt9nothrow_t): Same.
 952         (_ZGTtnam): Same.
 953         (_ZGTtnamRKSt9nothrow_t): Same.
 954         * alloc.cc (struct gtm_alloc_action): Remove size.
 955         (get_allocation_size): Remove.
 956         (commit_allocations): Add comment.
 957         (record_allocation): Remove size parameter.
 958         (forget_allocation): Remove set of size.
 959
 960 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 961
 962         * Makefile.am (abi_version): New.
 963         (AM_CXXFLAGS): Pass abi_version.
 964         * Makefile.in: Regenerate.
 965         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 966
 967 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 968
 969         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 970         _ITM_getTMCloneOrIrrevokable.
 971         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 972         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 973
 974 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 975
 976         * configure.ac: Remove Linux futex support.
 977         * configure.tgt (config_path): Same.
 978         * Makefile.am: Same.
 979         * config/linux: Remove entire directory.
 980         * configure: Rebuild.
 981         * Makefile.in: Rebuild.
 982         * testsuite/Makefile.in: Rebuild.
 983
 984 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 985
 986         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 987         switching to serial mode.
 988         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 989
 990 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 991
 992         * configure.tgt: Add emacs -*- tags.
 993         * barrier.tpl: Same.
 994
 995 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 996
 997         * Makefile.am: Rename serial.cc to method-serial.cc.
 998         * Makefile.in: Regenerate with automake 1.11.1.
 999         * testsuite/Makefile.in: Same.
1000         * aclocal.m4: Regenerate with aclocal 1.11.1.
1001         * method-serial.cc: Rename from serial.cc.
1002         * libitm_i.h (struct gtm_transaction): Update comment on
1003         serialirr_mode.
1004
1005 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1006
1007         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1008         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1009
1010 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1011
1012         * configure: Rebuild.
1013
1014 2009-11-12  Richard Henderson  <rth@redhat.com>
1015
1016         * Rewrite everything in C++.
1017
1018 2009-11-03  Richard Henderson  <rth@redhat.com>
1019
1020         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1021         * Makefile.am (libitm_la_SOURCES): Add them.
1022         * configure.ac (ARCH_X86): New conditional.
1023         * Makefile.in, configure: Rebuild.
1024         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1025         Move futex setup into "other system configury" case.
1026         * local.c (rollback_local): Merge into ...
1027         (GTM_rollback_local): ... here.
1028         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1029         (_ITM_LB): Define as an alias to GTM_LB.
1030
1031 2009-11-03  Richard Henderson  <rth@redhat.com>
1032
1033         * method-readonly.c: New file.
1034         * Makefile.am (libitm_la_SOURCES): Add it.
1035         * Makefile.in: Rebuild.
1036         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1037         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1038         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1039         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1040         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1041         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1042         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1043         gtm_get_clock, gtm_inc_clock): New.
1044         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1045         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1046         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1047         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1048         replace uses with new libitm_i.h symbols.
1049         (dispatch_wbetl): Rename from wbetl_dispatch.
1050         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1051         away from dispatch_readonly; abort if the beginTransaction call
1052         asserted that the transaction was readonly.
1053
1054 2009-11-03  Richard Henderson  <rth@redhat.com>
1055
1056         * memset.c: New file.
1057         * Makefile.am (libitm_la_SOURCES): Add it.
1058         * Makefile.in: Rebuild.
1059         * testsuite/libitm.c/memset-1.c: New.
1060
1061 2009-11-03  Richard Henderson  <rth@redhat.com>
1062
1063         * dispatch.c: Remove file.
1064         * useraction.c (struct gtm_user_action): Move from libitm.h.
1065         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1066         (serial_memset, serial_memmove, serial_memcpy): Remove.
1067         (serial_W*, serial_R*): Remove.
1068         (serial_dispatch): Update to match.
1069         * configure.ac: Move Werror down below configure checks.  Don't
1070         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1071         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1072         Use GCC_AC_FUNC_MMAP_BLACKLIST
1073         * libitm.h: Split out all internal items to...
1074         * libitm_i.h: ... here.  New file.
1075         * copymask.c: New file.
1076         * local.c (struct gtm_local_undo): Move from libitm.h.
1077         (GTM_alloc_local): Rename from alloc_local; export.
1078         * memcpy.c: New file.
1079         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1080         * config/posix/page.c: New file.
1081         * config/posix/target_tls.h: Remove file.
1082         * barrier.c: New file.
1083         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1084         copymask.c, page.c.
1085         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1086         * method-wbetl.c: Rewrite for new cacheline methods.
1087         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1088
1089         * config/alpha/sjlj.S: Fix typo.
1090         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1091         * config/alpha/copymask.c: New file.
1092         * config/alpha/target.h (CACHELINE_SIZE): New.
1093         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1094
1095         * config/x86/target_i.h: Copy functions from x86/target.h.
1096         * config/x86/copymask.c: New file.
1097         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1098         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1099         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1100         * config/x86/target_tls.h: Move contents to target_i.h.
1101
1102         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1103         * testsuite/libitm.c/memcpy-1.c: New.
1104
1105 2009-10-22  Richard Henderson  <rth@redhat.com>
1106
1107         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1108         (AM_CCASFLAGS): New.
1109         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1110         saving/restoring _AC_ARG_VAR_PRECIOUS.
1111         * Makefile.in, aclocal.m4, config.h.in, configure,
1112         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1113
1114 2009-10-22  Richard Henderson  <rth@redhat.com>
1115
1116         * testsuite/*: Update for new compiler syntax.
1117
1118 2009-10-21  Richard Henderson  <rth@redhat.com>
1119
1120         * libitm.h (_ITM_abortReason): Add outerAbort.
1121
1122 2009-08-03  Richard Henderson  <rth@redhat.com>
1123
1124         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1125         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1126         * method-wbetl.c (struct w_entry): Remove mask.
1127         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1128         adjust all callers.
1129
1130 2009-07-22  Richard Henderson  <rth@redhat.com>
1131
1132         * eh_cpp.c: New file.
1133         * Makefile.am (libitm_la_SOURCES): Add it.
1134         * Makefile.in: Rebuild.
1135         * beginend.c (GTM_rollback_transaction): Undo exception state.
1136         (GTM_trycommit_transaction): Mark inline.
1137         (GTM_trycommit_and_finalize_transaction): Split out from ...
1138         (_ITM_commitTransaction): ... here.
1139         (_ITM_commitTransactionEH): New function.
1140         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1141         cxa_unthrown, eh_in_flight; reorder.
1142
1143         * testsuite/libitm.c++/c++.exp: New.
1144         * testsuite/libitm.c++/eh-1.C: New.
1145
1146         * aatree.c (aa_free): Remove REGPARM.
1147         * aatree.h: Remove all REGPARM.
1148
1149 2009-07-18  Richard Henderson  <rth@redhat.com>
1150
1151         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1152         * Makefile.am (libitm_la_SOURCES): Add them.
1153         * Makefile.in: Rebuild.
1154         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1155         (GTM_trycommit_transaction): Likewise.
1156         * libitm.h: Include aatree.h
1157         (struct gtm_alloc_action): New.
1158         (struct gtm_transaction): Add alloc_actions.
1159         (GTM_record_allocation, GTM_forget_allocation): Declare.
1160         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1161         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1162         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1163         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1164         _ZGTtdaPvRKSt9nothrow_t): Export.
1165
1166 2009-07-18  Richard Henderson  <rth@redhat.com>
1167
1168         * target_tls.h: Move ...
1169         * config/posix/target_tls.h: ... here.
1170
1171 2009-07-07  Richard Henderson  <rth@redhat.com>
1172
1173         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1174
1175 2009-07-07  Richard Henderson  <rth@redhat.com>
1176
1177         * Update to GPL3.
1178
1179 2009-07-07  Richard Henderson  <rth@redhat.com>
1180
1181         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1182         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1183
1184         * configure.tgt: Don't use -ftls-model for x86 linux.
1185         * libitm.h: Include target.h after standard includes.
1186         (_gtm_thr): Rename from gtm_thr.
1187         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1188         (gtm_disp, set_gtm_disp): New.
1189         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1190         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1191         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1192
1193 2009-07-07  Richard Henderson  <rth@redhat.com>
1194
1195         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1196
1197 2009-07-06  Richard Henderson  <rth@redhat.com>
1198
1199         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1200         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1201         (_ITM_beginTransaction): Take variadic arguments.
1202         (_ITM_registerThrownObject): Declare.
1203         * beginend.c, serial.c: Update.
1204         * libitm.map: Add _ITM_registerThrownObject.
1205
1206 2009-01-28  Richard Henderson  <rth@redhat.com>
1207
1208         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1209         * Makefile.in: Rebuild.
1210         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1211         (GTM_restart_transaction): Fix uninstrumented code check.
1212         * retry.c (GTM_decide_retry_strategy): Add serial check.
1213         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1214         automatically go irrevokable when in serial mode.
1215         * clone.c: New file.
1216         * libitm.h, libitm.map: Update.
1217
1218 2009-01-27  Richard Henderson  <rth@redhat.com>
1219
1220         * Makefile.am (LTCCASCOMPILE): Define.
1221         (libitm_la_SOURCES): Add methid-wbetl.c.
1222         * testsuite/Makefile.am: New
1223         * configure.ac: Add testsuite/Makefile.
1224         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1225         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1226         (_ITM_abortTransaction): Finalize implementation method; pass
1227         transaction properties to longjmp.
1228         (GTM_restart_transaction): Split out from ...
1229         (_ITM_commitTransaction): ... here.
1230         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1231         Move to config/x86/target.h.
1232         * config/linux/alpha/futex_bits.h: New.
1233         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1234         * config/x86/target.h: Disable target types for 32-bit.
1235         * config/alpha/sjlj.S, config/alpha/target.h: New.
1236         * libitm.h (struct gtm_dispatch): Add init, fini.
1237         (enum restart_reason): New.
1238         (struct gtm_transaction): Add method and restarts.
1239         * retry.c (GTM_decide_retry_strategy): Implement.
1240         * serial.c (serial_init, serial_fini): New.
1241         (GTM_serialmode): Finialize outgoing method.
1242         * method-wbetl.c: New.
1243
1244 2008-12-09  Richard Henderson  <rth@redhat.com>
1245
1246         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1247         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1248         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1249         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1250         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1251         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1252         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1253         * serial.c (serial_R##T, serial_W##T): Likewise.
1254
1255 2008-11-21  Richard Henderson  <rth@redhat.com>
1256
1257         * Initial commit.