libitm/ChangeLog

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