libitm/ChangeLog

   1 2012-02-20  Torvald Riegel  <triegel@redhat.com>
   2
   3         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
   4         serial mode corner cases made obsolete by prior gtm_rwlock changes.
   5         (gl_wt_dispatch.rollback): Same.
   6
   7 2012-02-20  Torvald Riegel  <triegel@redhat.com>
   8
   9         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
  10
  11 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  12
  13         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
  14         for RfW src.  Optimize number of calls to gtm_thr.
  15
  16 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  17
  18         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
  19         acquisition to ...
  20         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
  21         (default_dispatch): Make atomic.
  22         (GTM::gtm_thread::set_default_dispatch): Access atomically.
  23         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
  24         use decide_begin_dispatch() if default_dispatch might have changed.
  25         (GTM::gtm_thread::number_of_threads_changed): Initialize
  26         default_dispatch here.
  27
  28 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
  29             Patrick Marlier  <patrick.marlier@gmail.com>
  30
  31         PR libitm/52220
  32         * alloc_cpp.cc: No dummy definitions for darwin.
  33         * eh_cpp.cc: Likewise.
  34
  35 2012-02-14  Richard Henderson  <rth@redhat.com>
  36
  37         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
  38
  39 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
  40
  41         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
  42
  43 2012-02-14  Torvald Riegel  <triegel@redhat.com>
  44
  45         * libitm_i.h (GTM::gtm_rwlog_entry): New.
  46         (GTM::gtm_thread): Add read and write logs.
  47         (GTM::dispatch_ml_wt): Declare.
  48         * retry.cc (parse_default_method): Support ml_wt.
  49         * method-ml.cc: New file.
  50         * Makefile.am: Add method-ml.cc.
  51         * Makefile.in: Regenerate.
  52
  53 2012-02-14  Torvald Riegel  <triegel@redhat.com>
  54
  55         * dispatch.h (GTM::abi_dispatch::supports): New.
  56         (GTM::method_group::reinit): New.
  57         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
  58         (GTM::gtm_thread::number_of_threads_changed): Check that the method
  59         supports the current situation.
  60
  61 2012-02-14  Torvald Riegel  <triegel@redhat.com>
  62
  63         * util.cc (GTM::xcalloc): New.
  64         * common.h (GTM::xcalloc): Declare.
  65
  66 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
  67
  68         * config/sparc/target.h (cpu_relax): Read from CC register.
  69         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
  70
  71 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
  72
  73         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
  74
  75 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
  76
  77         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
  78         * config/sparc/cacheline.h: New file.
  79         * config/sparc/target.h: Likewise.
  80         * config/sparc/sjlj.S: Likewise.
  81         * config/linux/sparc/futex_bits.h: Likewise.
  82
  83 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
  84
  85         * configure.ac (link_itm): Fix comment.
  86         * configure: Regenerate.
  87         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
  88
  89 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  90
  91         PR libitm/51822
  92         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
  93         Correct libgomp references.
  94
  95 2012-01-24  Torvald Riegel  <triegel@redhat.com>
  96
  97         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
  98         wake-up.
  99
 100 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 101
 102         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 103         end of structure.
 104         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 105         offset values.  Do not copy return address.  Decrement stack
 106         by 56 bytes only.
 107         (GTM_longjump) [__x86_64__]: Update offset values.
 108
 109 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 110
 111         PR libitm/51830
 112         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 113         the first function argument to %eax.
 114
 115 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 116
 117         * libitm.h (_ITM_getThreadnum): Remove.
 118         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 119
 120 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 121
 122         * clearcap.map: New file.
 123         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 124         * configure.ac: Call it.
 125         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 126         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 127         * configure: Regenerate.
 128         * Makefile.in: Regenerate.
 129         * testsuite/Makefile.in: Regenerate.
 130
 131 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 132
 133         PR libitm/51173
 134         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 135         include, exclude options.
 136
 137 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 138
 139         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 140         rolling back.
 141         * containers.h (GTM::vector::set_size): New.
 142
 143 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 144
 145         PR libitm/51855
 146         * config/generic/tls.h (GTM::mask_stack_top): New.
 147         (GTM::mask_stack_bottom): Declare.
 148         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 149         * local.cc (gtm_undolog::rollback): Filter out any updates that
 150         overlap the libitm stack.  Add current transaction as parameter.
 151         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 152         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 153         * testsuite/libitm.c/stackundo.c: New test.
 154
 155 2012-01-10  Richard Henderson  <rth@redhat.com>
 156
 157         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 158         * eh_cpp.cc (_Unwind_DeleteException): Define for
 159         !HAVE_ELF_STYLE_WEAKREF.
 160
 161 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 162
 163         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 164         (GTM::gtm_thread::drop_references_undolog): Remove.
 165         (GTM::gtm_thread::commit_undolog,
 166         GTM::gtm_thread::rollback_undolog): Move to ...
 167         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 168         (GTM::gtm_undolog_entry): Remove.
 169         (GTM::gtm_thread): Adapt.
 170         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 171         (GTM::gtm_thread::trycommit): Adapt.
 172         * method-serial.cc (serial_dispatch::log): Adapt.
 173         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 174         (gl_wt_dispatch::store): Fix likely/unlikely.
 175         * containers.h (GTM::vector::resize): Add additional_capacity
 176         parameter and handle it.
 177         (GTM::vector::resize_noinline): New/adapt.
 178         (GTM::vector::push): New.
 179
 180 2012-01-06  Richard Henderson  <rth@redhat.com>
 181
 182         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 183         * config/linux/powerpc/futex_bits.h: New file.
 184         * config/powerpc/cacheline.h: New file.
 185         * config/powerpc/sjlj.S: New file.
 186         * config/powerpc/target.h: New file.
 187         * config/generic/asmcfi.h (cfi_offset): New.
 188         (cfi_restore, cfi_undefined): New.
 189
 190 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 191
 192         PR other/51171
 193         * testsuite/libitm.c/reentrant.c: Remove xfail.
 194         (thread): Pass x to pure().
 195         From Patrik Marlier <patrick.marlier@gmail.com>.
 196
 197 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 198
 199         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 200         privatization safety if already in serial mode.
 201
 202 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 203
 204         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 205         finish_serial_upgrade parameter.
 206         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 207         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 208         Don't unset reader flag.
 209         (GTM::gtm_rwlock::write_upgrade_finish): New.
 210         * config/posix/rwlock.cc: Same.
 211         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 212         Declare.
 213         * config/posix/rwlock.h: Same.
 214         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 215         flag after commit or after rollback when restarting.
 216
 217 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 218
 219         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 220         (GTM::gtm_thread::try_commit): Changed memory order.
 221         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 222         as parameter.
 223         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 224         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 225         * config/linux/futex_bits.h (sys_futex0): Same.
 226         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 227         * config/linux/futex.h (futex_wait, futex_wake): Same.
 228         * config/linux/rwlock.h (gtm_rwlock::writers,
 229         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 230         ints.
 231         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 232         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 233         gtm_rwlock::write_unlock): Fix memory orders and fences.
 234         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 235         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 236         gtm_rwlock::write_unlock): Same.
 237         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 238         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 239         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 240         Add comments.
 241         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 242         gl_wt_dispatch::load, gl_wt_dispatch::store,
 243         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 244         orders and fences.  Add comments.
 245
 246 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 247
 248         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 249         * Makefile.in: Regenerated.
 250
 251 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 252
 253         * configure.tgt: Add sh* case.
 254         * config/sh/target.h: New file.
 255         * config/sh/sjlj.S: New file.
 256         * config/linux/sh/futex_bits.h: New file.
 257
 258 2011-12-14  Richard Henderson  <rth@redhat.com>
 259
 260         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 261         * config/arm/sjlj.S, config/arm/target.h: New files.
 262         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 263         (cfi_rel_offset): New.
 264         * config/linux/futex_bits.h: New file.
 265         * config/linux/futex.cc: Include futex_bits.h here...
 266         * config/linux/futex.h: ... not here.
 267         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 268         * configure.ac (ARCH_AM): New conditional.
 269         * Makefile.in, configure: Rebuild.
 270         * configure.tgt: Handle ARM.
 271
 272 2011-12-13  Richard Henderson  <rth@redhat.com>
 273
 274         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 275         signed/unsigned comparison werror.
 276
 277         * local_atomic: New file.
 278         * libitm_i.h: Include it.
 279         (gtm_thread::shared_state): Use atomic template.
 280         * beginend.cc (GTM::gtm_clock): Use atomic template.
 281         (global_tid): Use atomic template if 64-bit atomics available.
 282         (gtm_thread::gtm_thread): Update shared_state access.
 283         (gtm_thread::trycommit): Likewise.
 284         (choose_code_path): Update global_tid access.
 285         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 286         * stmlock.h (GTM::gtm_clock): Use atomic template.
 287         (gtm_get_clock, gtm_inc_clock): Update accesses.
 288         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 289         redundant __sync_synchronize after atomic shared_state access.
 290         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 291         (gtm_rwlock::write_lock_generic): Likewise.
 292         (gtm_rwlock::read_unlock): Likewise.
 293         * config/alpha/target.h (atomic_read_barrier): Remove.
 294         (atomic_write_barrier): Remove.
 295         * config/x86/target.h (atomic_read_barrier): Remove.
 296         (atomic_write_barrier): Remove.
 297
 298 2011-11-30  Richard Henderson  <rth@redhat.com>
 299
 300         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 301         * beginend.c (_ITM_abortTransaction): Update to match.
 302         (GTM::gtm_thread::restart): Likewise.
 303         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 304         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 305
 306 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 307
 308         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 309         * Makefile.in: Regenerate.
 310
 311 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 312
 313         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 314         * alloc_cpp.cc: Generate dummy functions if we don't
 315         HAVE_ELF_STYLE_WEAKREF.
 316         * eh_cpp.cc: Likewise.
 317         * configure: Regenerate.
 318         * aclocal.m4:  Likewise.
 319         * config.h.in: Likewise.
 320         * Makefile.in: Likewise.
 321         * testsuite/Makefile.in: Likewise.
 322
 323 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 324
 325         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 326         __USER_LABEL_PREFIX__ for targets that use it.
 327         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 328         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 329         in portability to non-elf targets.
 330         (GTM_longjmp): Likewise.
 331         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 332         where required.
 333
 334 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 335
 336         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 337         * testsuite/libitm.c/memset-1.c: Likewise.
 338
 339 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 340
 341         * configure: Regenerate.
 342
 343 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 344
 345         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 346         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 347         * Makefile.am: Handle sun style versioning.
 348         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 349         * configure: Regenerate.
 350         * Makefile.in: Regenerate.
 351
 352 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 353
 354         * config/generic/asmcfi.h: Fix comment.
 355         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 356         sequence without .hidden support, error for non-ELF targets.
 357         (GTM_longjmp) [__ELF__]: Only use .hidden if
 358         HAVE_ATTRIBUTE_VISIBILITY.
 359
 360 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 361
 362         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 363         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 364         Dummy functions.
 365         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 366         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 367
 368 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 369
 370         PR bootstrap/51098
 371         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 372         * configure: Regenerate.
 373
 374 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 375
 376         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 377
 378 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 379
 380         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 381         .hidden.
 382         (.note.GNU-stack): Only use if __linux__.
 383         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 384         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 385         * testsuite/libitm.c/reentrant.c: Likewise.
 386         * testsuite/libitm.c/simple-2.c: Likewise.
 387         * testsuite/libitm.c/txrelease.c: Likewise.
 388         * testsuite/libitm.c++/static_ctor.C: Likewise.
 389
 390 2011-11-10  Richard Henderson  <rth@redhat.com>
 391
 392         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 393         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 394         * configure.ac (ARCH_X86_AVX): New conditional.
 395         * Makefile.in, configure: Rebuild.
 396
 397 2011-11-09  Richard Henderson  <rth@redhat.com>
 398
 399         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 400         * configure.ac: Use it.
 401         * config.h.in, configure: Rebuild.
 402         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 403
 404 2011-11-09  Richard Henderson  <rth@redhat.com>
 405
 406         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 407         * config/alpha/unaligned.h: Remove file.
 408         * config/generic/unaligned.h: Remove file.
 409         * config/x86/unaligned.h: Remove file.
 410         * config/generic/cachepage.h: Remove file.
 411         * config/posix/cachepage.cc: Remove file.
 412         * config/generic/cacheline.cc: Remove file.
 413         * config/x86/cacheline.cc: Remove file.
 414         * config/generic/cacheline.h (gtm_cacheline): Remove the
 415         store_mask, copy_mask, copy_mask_wb methods.
 416         * config/x86/cacheline.h: Likewise.
 417         * config/alpha/cacheline.h: Fall back to generic after setting size.
 418         * config/generic/tls.cc (gtm_mask_stack): Remove.
 419         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 420         (GTM_vpalignr_table): Remove.
 421         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 422         (GTM_pshift_table): Remove.
 423         * config/libitm_i.h: Don't include cachepage.h.
 424         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 425         * Makefile.in, testsuite/Makefile.in: Rebuild.
 426
 427 2011-11-09  Richard Henderson  <rth@redhat.com>
 428
 429         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 430         to emit branch prediction hint.
 431
 432         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 433         Protect .note.GNU-stack with __linux__.
 434
 435         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 436         * configure, aclocal.m4, config.h.in: Rebuild.
 437         * config/generic/asmcfi.h: New file.
 438         * config/x86/sjlj.S: Use it.
 439
 440 2011-11-08  Richard Henderson  <rth@redhat.com>
 441
 442         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 443
 444 2011-11-08  Richard Henderson  <rth@redhat.com>
 445
 446         * configure.tgt: Test correct directory for supported cpus.
 447
 448         * configure.ac: Exit if unsupported.
 449         * configure: Rebuild.
 450         * configure.tgt: Delete boilerplate from libgomp for unsupported
 451         targets.  Set UNSUPPORTED for unsupported targets.
 452
 453 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 454
 455         * configure.tgt: Handle i386 like i[456]86.
 456         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 457         take address.
 458         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 459         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 460
 461 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 462
 463         * method-wbetl.cc: Update copyright notice.
 464         * aatree.cc: Same.
 465         * util.cc: Same.
 466         * libitm.h: Same.
 467         * memset.cc: Same.
 468         * eh_cpp.cc: Same.
 469         * barrier.tpl: Same.
 470         * useraction.cc: Same.
 471         * stmlock.h: Same.
 472         * memcpy.cc: Same.
 473         * common.h: Same.
 474         * config/generic/tls.cc: Same.
 475         * config/generic/cacheline.h: Same.
 476         * config/generic/cachepage.h: Same.
 477         * config/generic/cacheline.cc: Same.
 478         * config/generic/unaligned.h: Same.
 479         * config/x86/cacheline.h: Same.
 480         * config/x86/cacheline.cc: Same.
 481         * config/x86/unaligned.h: Same.
 482         * config/alpha/cacheline.h: Same.
 483         * config/alpha/unaligned.h: Same.
 484         * config/alpha/sjlj.S: Same.
 485         * config/posix/cachepage.cc: Same.
 486         * config/linux/futex.h: Same.
 487         * config/linux/alpha/futex_bits.h: Same.
 488
 489 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 490
 491         * libitm.texi: No cover text and invariant sections.
 492
 493 2011-11-03  Richard Henderson  <rth@redhat.com>
 494
 495         * local_type_traits: New file.
 496         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 497
 498 2011-11-03  Richard Henderson  <rth@redhat.com>
 499
 500         * configure.ac: Don't test for gfortran.
 501         * configure: Rebuild.
 502
 503         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 504         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 505
 506 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 507
 508         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 509         * testsuite/libitm.c/memset-1.c: Same.
 510         * testsuite/libitm.c/c.exp: Same.
 511         * testsuite/lib/libitm-dg.exp: Same.
 512         * testsuite/lib/libitm.exp: Same.
 513         * testsuite/libitm.c++/c++.exp: Same.
 514
 515 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 516
 517         * testsuite/config/default.exp: Update copyright date.
 518         * configure.ac: Add copyright info.
 519         * configure.tgt: Same.
 520
 521 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 522
 523         * testsuite/libitm.c/reentrant.c: XFAIL.
 524         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 525
 526 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 527
 528         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 529         handle aborts.
 530         (_ITM_abortTransaction): Handle aborts of outer transactions.
 531         * libitm_i.h: Same.
 532         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 533         * libitm.texi: Document aborts of outer transactions.
 534         * testsuite/libitm.c/cancel.c: New file.
 535
 536 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 537
 538         * testsuite/*: Change __transaction to __transaction_atomic or
 539         __transaction_relaxed.
 540
 541 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 542
 543         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 544         (gtm_thr): Same.
 545
 546 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 547
 548         * libitm_i.h: Add gl_wt dispatch.
 549         * retry.cc (parse_default_method): Same.
 550         * method-gl.cc: New file.
 551         * Makefile.am: Use method-gl.cc.
 552         * Makefile.in: Rebuild.
 553
 554 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 555
 556         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 557         safety if requested by a TM method.
 558         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 559         privatization safety.
 560         * method-serial.cc: Same.
 561
 562 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 563
 564         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 565         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 566         undolog-related member functions from *_local to *_undolog.
 567         * local.cc (gtm_thread::commit_undolog): Same.
 568         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 569         (GTM::gtm_thread::rollback): Roll back undolog before
 570         dispatch-specific rollback.
 571
 572 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 573
 574         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 575         re-initialization of the current method group.
 576         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 577
 578 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 579
 580         * alloc.cc (commit_allocations_2): Do not free transaction-local
 581         memory when committing a nested transaction.
 582
 583 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 584
 585         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 586         serial-irrevocable dispatch, not serial.
 587
 588 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 589
 590         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 591         declarations.
 592         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 593         * method-serial.cc: Implement begin_or_restart().
 594         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 595         dispatch-specific begin_or_restart().
 596         (GTM::gtm_thread::restart): Same.
 597
 598 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 599
 600         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 601         restarting without switching to serial mode.
 602         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 603         transaction state. Choose closed-nesting alternative if available.
 604         (GTM::gtm_thread::set_default_dispatch): New.
 605         (parse_default_method): New.
 606         (GTM::gtm_thread::number_of_threads_changed): New.
 607         * method-serial.cc (GTM::serial_mg): New method group class.
 608         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 609         fini.
 610         (GTM::serial_dispatch): Same.
 611         (GTM::serialirr_onwrite_dispatch): Same.
 612         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 613         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 614         registered threads.
 615         (GTM::gtm_thread::gtm_thread): Same.
 616         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 617         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 618         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 619         choose dispatch but set state according to dispatch here.
 620         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 621         (GTM::method_group): New class.
 622         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 623         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 624         * libitm.texi: Document TM methods, method groups, method life cycle.
 625         Rename method sets to method groups.
 626
 627 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 628
 629         * config/x86/tls.h: Moved to ...
 630         * config/linux/x86/tls.h: ... here.
 631
 632 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 633
 634         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 635         Add X32 support.
 636         * config/x86/sjlj.S: Same.
 637
 638 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 639
 640         * config/linux/rwlock.h: New file.
 641         * config/linux/rwlock.c: New file.
 642         * configure.ac: Reenable futex support (undo SVN rev 157758).
 643         * Makefile.am: Same.
 644         * configure.tgt: Same.
 645         * config/linux/alpha/futex_bits.h: Same.
 646         * config/linux/futex.h: Same. Return number of woken processes.
 647         * config/linux/futex.cc: Same.
 648         (futex_wait): Remove spinning.
 649         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 650         Use __x86_64__ instead of __LP64__.
 651         * aclocal.m4: Include generic futex checks.
 652         * configure: Rebuild.
 653         * Makefile.in: Rebuild.
 654         * testsuite/Makefile.in: Rebuild.
 655         * beginend.cc: Include pthread.h.
 656         * config/posix/cachepage.cc: Same.
 657
 658 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 659
 660         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 661         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 662         (set_gtm_thr): New.
 663         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 664         (set_gtm_thr): New.
 665         (GTM::gtm_thread::thread_num): Removed.
 666         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 667         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 668         tx-to-thread renaming.
 669         * beginend.cc: Adapted to tx-to-thread renaming.
 670         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 671         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 672         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 673         gtm_transaction to gtm_thread.
 674         (_ITM_getThreadnum): Removed. Not supported anymore.
 675         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 676         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 677         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 678         gtm_tx-to-gtm_thr renaming if necessary.
 679         * eh_cpp.cc: Same.
 680         * local.cc: Same.
 681         * retry.cc: Same.
 682         * clone.cc: Same.
 683         * alloc.cc: Same.
 684         * alloc_c.cc: Same.
 685         * alloc_cpp.cc: Same.
 686         * method-serial.cc: Same.
 687         * config/generic/tls.cc: Same.
 688         * config/posix/rwlock.h (gtm_rwlock): Same.
 689         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 690
 691 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 692
 693         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 694         implementation.
 695         (gtm_rwlock::read_unlock): Same.
 696         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 697         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 698         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 699         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 700         w_upgrade. Replaced by per-transaction flags (in shared_state).
 701         Added c_confirmed_writers.
 702         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 703         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 704         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 705         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 706         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 707         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 708         * libitm.texi: Document locking conventions and implementations in
 709         libitm.
 710
 711 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 712
 713         * libitm_i.h (next_tx): Add list of all threads' transaction.
 714         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 715         transaction with list of transactions and ...
 716         (thread_exit_handler): ... deregister here.
 717         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 718         * config/x86/target.h: Same.
 719
 720 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 721
 722         * testsuite/libitm.c++/static_ctor.C: New file.
 723
 724 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 725
 726         * testsuite/libitm.c/reentrant.c: New file.
 727
 728 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 729
 730         * config/generic/tls.h: Remove the free list for transactions and ...
 731         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 732         (GTM::gtm_transaction::operator delete): ... and release here.
 733         (thread_exit_handler): New. Delete tx when thread terminates.
 734         (thread_exit_init): New.
 735         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 736         * testsuite/libitm.c/txrelease.c: New file.
 737
 738 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 739
 740         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 741         * testsuite/libitm.c/notx.c: New file.
 742
 743 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 744
 745         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 746         * libitm_i.h (local_tid): ... to here.
 747         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 748         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 749
 750 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 751
 752         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 753         serialirr_onwrite_dispatch as new default for now.
 754         * method-serial.cc (serialirr_onwrite_dispatch): New.
 755         (GTM::dispatch_serialirr_onwrite): New.
 756         * libitm_i.h: Same.
 757
 758 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 759
 760         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 761         * query.cc (_ITM_getTransactionId): There is no active transaction if
 762         the current nesting level is zero.
 763
 764 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 765
 766         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 767         rollback.
 768
 769 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 770
 771         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 772         transaction properties from the caller instead of from the
 773         transaction object.
 774         * libitm_i.h: Same.
 775         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 776
 777 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 778
 779         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 780         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 781         * dispatch.h: Same.
 782         * method-serial.cc: Same.
 783         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 784         flat nesting as default, and closed nesting on demand.
 785         (GTM::gtm_transaction::rollback): Same.
 786         (_ITM_abortTransaction): Same.
 787         (GTM::gtm_transaction::restart): Same.
 788         (GTM::gtm_transaction::trycommit): Same.
 789         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 790         (choose_code_path): New.
 791         (GTM::gtm_transaction_cp::save): New.
 792         (GTM::gtm_transaction_cp::commit): New.
 793         * query.cc (_ITM_inTransaction): Support flat nesting.
 794         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 795         (GTM::gtm_transaction): Support flat and closed nesting.
 796         * alloc.cc (commit_allocations_2): New.
 797         (commit_cb_data): New helper struct.
 798         (GTM::gtm_transaction::commit_allocations): Handle nested
 799         commits/rollbacks.
 800         * libitm.texi: Update user action section, add description of nesting.
 801
 802 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 803
 804         * libitm_i.h: Add closed nesting as restart reason.
 805         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 806
 807 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 808
 809         * useraction.cc: Use vector instead of list to store actions.
 810         Also support partial rollbacks for closed nesting.
 811         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 812         * beginend.cc: Same.
 813
 814 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 815
 816         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 817         closed_nesting flags, as well as a closed nesting alternative.
 818         * method-serial.cc: Same.
 819         (serial_dispatch): Renamed to serialirr_dispatch.
 820         (GTM::dispatch_serialirr): Same.
 821         (serial_dispatch_ul): Renamed to serial_dispatch.
 822         (GTM::dispatch_serial): Same.
 823
 824 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 825
 826         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 827
 828 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 829
 830         * aatree.h (aa_tree::remove): New.
 831         (aa_tree::operator new): Add placement new.
 832
 833 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 834
 835         * containers.h: New file.
 836         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 837         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 838         * common.h: ... to here.
 839         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 840         * local.cc: Same.
 841
 842 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 843
 844         * libitm_i.h (STATE_ABORTING): Remove.
 845         * beginend.cc (_ITM_abortTransaction): Same.
 846         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 847         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 848         (_ITM_rollbackTransaction): Remove.
 849         * beginend.cc: Same.
 850         * libitm.map: Same.
 851         * libitm.texi: Document these ABI changes.
 852
 853 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 854
 855         * libitm.texi: New file.
 856         * Makefile.am: Add libitm.texi.
 857         * Makefile.in: Rebuild.
 858
 859 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 860
 861         * libitm_i.h: Move parts to common.h and dispatch.h.
 862         * common.h: New file.
 863         * dispatch.h: New file, new dispatch class.
 864         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 865         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 866         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 867         decision to retry.cc.
 868         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 869         only.
 870         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 871         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 872         logging.
 873         * barrier.cc: Use new barriers definitions.
 874         (abi_dispatch::memmove_overlap_check): New.
 875         * config/x86/x86_sse.cc: Same.
 876         * config/x86/x86_avx.cc: Same.
 877         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 878         memcpy.cc.
 879         * Makefile.in: Rebuild.
 880         * method-readonly.cc: Remove.
 881         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 882         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 883
 884 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 885
 886         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 887         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 888         * testsuite/libitm.c/dropref-2.c: Same.
 889         * testsuite/libitm.c/dropref.c: Same.
 890
 891 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 892
 893         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 894         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 895         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 896         * alloc_c.cc: Same.
 897         * barrier.tpl: Same.
 898         * beginend.c: Same.
 899         * config/generic/tls.h: Same.
 900         * config/x86/tls.h: Same.
 901         * libitm_i.h: Same.
 902         * memcpy.cc: Same.
 903         * memset.cc: Same.
 904         * method-readonly.cc: Same.
 905         * method-serial.cc: Same.
 906         * method-wbetl.cc: Same.
 907         * retry.cc: Same.
 908
 909 2011-03-03  Richard Henderson  <rth@redhat.com>
 910
 911         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 912         From Patrik Marlier <patrick.marlier@unine.ch>.
 913
 914 2011-02-03  Richard Henderson  <rth@redhat.com>
 915
 916         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 917         * configure.ac: Use it.
 918         * configure, config.h.in: Rebuild.
 919         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 920         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 921         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 922         * libitm.map: Use wildcards to match size_t mangling.
 923
 924 2010-12-14  Richard Henderson  <rth@redhat.com>
 925
 926         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 927         blocks of TIDs per thread.
 928         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 929         (setup_gtm_thr): Return the thread structure.
 930         * config/x86/tls.h (setup_gtm_thr): Likewise.
 931
 932 2010-12-14  Richard Henderson  <rth@redhat.com>
 933
 934         * clone.cc (table_lock): Remove.
 935         (find_clone): Don't take it.
 936         (ExcludeTransaction): New helper class.
 937         (_ITM_registerTMCloneTable): Use it.
 938         (_ITM_deregisterTMCloneTable): Likewise.
 939
 940 2010-12-14  Richard Henderson  <rth@redhat.com>
 941
 942         * config/x86/tls.h: New file.
 943
 944 2010-07-15  Richard Henderson  <rth@redhat.com>
 945
 946         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 947         * Makefile.in: Rebuild.
 948
 949 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 950
 951         * method-wbetl.cc (trydropreference): Fix source line.
 952
 953 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 954
 955         * libitm.h: Add comment.
 956         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 957
 958 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 959
 960         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 961         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 962         available, use pthread mutexes.
 963         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 964         * config.h.in: Regenerate.
 965         * configure: Regenerate.
 966
 967 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 968
 969         * libitm.h (ITM_PURE): Define.
 970         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 971
 972 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 973
 974         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 975         (validate): Add comment.
 976         (trydropreference): New.
 977         * method-readonly.cc (class readonly_dispatch): Add
 978         trydropreference.
 979         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 980         Call trydropreference().
 981         * libitm.h (_ITM_dropReferences): Remove const attribute.
 982         * method-serial.cc (class serial_dispatch): Add trydropreference.
 983         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 984
 985 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 986
 987         * memcpy.cc (do_memcpy): Comment.
 988
 989 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 990
 991         * barrier.tpl: Add comments throughout.
 992
 993 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 994
 995         * method-wbetl.cc (struct w_entry): Add comments.
 996         (trycommit): Same.
 997         (rollback): Same.
 998
 999 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1000
1001         * alloc_c.cc (_ITM_dropReferences): New.
1002         * libitm.map (_ITM_dropReferences): Add.
1003         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1004         * libitm_i.h (struct gtm_transaction): Declare
1005         drop_references_allocations and drop_references_local.
1006         * local.cc (rollback_local): Ignore memory when applicable.
1007         (drop_references_local): New.
1008
1009 2010-06-23  Richard Henderson  <rth@redhat.com>
1010
1011         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1012         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1013         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1014         * config/alpha/target.h: Likewise.
1015         * config/generic/tls.cc (gtm_mask_stack): Use it.
1016
1017 2010-06-23  Richard Henderson  <rth@redhat.com>
1018
1019         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1020         a mutex instead of trying a lock-free compare-and-swap on the list.
1021         (gtm_cacheline_page::operator delete): Likewise.
1022
1023 2010-06-16  Richard Henderson  <rth@redhat.com>
1024
1025         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1026         that overlap the libitm stack.
1027         * barrier.tpl: Mark incoming stack.
1028         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1029         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1030         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1031         * memcpy.cc, memset.cc: Likewise.
1032         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1033         * config/generic/tls.h (gtm_thread): Add stack_top member.
1034         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1035         * libitm_i.h (gtm_mask_stack): Declare.
1036         * config/generic/tls.cc: New file.
1037         * Makefile.am (libitm_la_SOURCES): Add it.
1038         (AM_CXXFLAGS): Turn off exceptions.
1039         * Makefile.in: Rebuild.
1040
1041 2010-06-16  Richard Henderson  <rth@redhat.com>
1042
1043         * alloc.cc (struct gtm_alloc_action): Move definition ...
1044         * libitm_i.h: ... here.
1045         (class gtm_transaction): Declare new and delete.
1046         * beginend.cc (alloc_tx): Reformulate as operator new.
1047         (free_tx): Reformulate as operator delete.
1048         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1049
1050 2010-06-11  Richard Henderson  <rth@redhat.com>
1051
1052         * clone.cc (clone_entry_compare): Fix typo.
1053         From Patrik Marlier <patrick.marlier@unine.ch>.
1054
1055 2010-05-13  Richard Henderson  <rth@redhat.com>
1056
1057         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1058         in extern "C".
1059
1060 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1061
1062         * libitm_i.h (struct gtm_transaction): Remove
1063         get_allocation_size.
1064         (record_allocation): Remove size parameter.
1065         * libitm.map (_ITM_realloc): Remove.
1066         * alloc_c.cc (_ITM_realloc): Remove.
1067         (_ITM_malloc): Remove size argument to record_allocation.
1068         (_ITM_calloc): Same.
1069         * alloc_cpp.cc (_ZGTtnwm): Same.
1070         (_ZGTtnwmRKSt9nothrow_t): Same.
1071         (_ZGTtnam): Same.
1072         (_ZGTtnamRKSt9nothrow_t): Same.
1073         * alloc.cc (struct gtm_alloc_action): Remove size.
1074         (get_allocation_size): Remove.
1075         (commit_allocations): Add comment.
1076         (record_allocation): Remove size parameter.
1077         (forget_allocation): Remove set of size.
1078
1079 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1080
1081         * Makefile.am (abi_version): New.
1082         (AM_CXXFLAGS): Pass abi_version.
1083         * Makefile.in: Regenerate.
1084         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1085
1086 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1087
1088         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1089         _ITM_getTMCloneOrIrrevokable.
1090         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1091         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1092
1093 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1094
1095         * configure.ac: Remove Linux futex support.
1096         * configure.tgt (config_path): Same.
1097         * Makefile.am: Same.
1098         * config/linux: Remove entire directory.
1099         * configure: Rebuild.
1100         * Makefile.in: Rebuild.
1101         * testsuite/Makefile.in: Rebuild.
1102
1103 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1104
1105         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1106         switching to serial mode.
1107         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1108
1109 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1110
1111         * configure.tgt: Add emacs -*- tags.
1112         * barrier.tpl: Same.
1113
1114 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1115
1116         * Makefile.am: Rename serial.cc to method-serial.cc.
1117         * Makefile.in: Regenerate with automake 1.11.1.
1118         * testsuite/Makefile.in: Same.
1119         * aclocal.m4: Regenerate with aclocal 1.11.1.
1120         * method-serial.cc: Rename from serial.cc.
1121         * libitm_i.h (struct gtm_transaction): Update comment on
1122         serialirr_mode.
1123
1124 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1125
1126         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1127         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1128
1129 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1130
1131         * configure: Rebuild.
1132
1133 2009-11-12  Richard Henderson  <rth@redhat.com>
1134
1135         * Rewrite everything in C++.
1136
1137 2009-11-03  Richard Henderson  <rth@redhat.com>
1138
1139         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1140         * Makefile.am (libitm_la_SOURCES): Add them.
1141         * configure.ac (ARCH_X86): New conditional.
1142         * Makefile.in, configure: Rebuild.
1143         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1144         Move futex setup into "other system configury" case.
1145         * local.c (rollback_local): Merge into ...
1146         (GTM_rollback_local): ... here.
1147         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1148         (_ITM_LB): Define as an alias to GTM_LB.
1149
1150 2009-11-03  Richard Henderson  <rth@redhat.com>
1151
1152         * method-readonly.c: New file.
1153         * Makefile.am (libitm_la_SOURCES): Add it.
1154         * Makefile.in: Rebuild.
1155         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1156         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1157         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1158         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1159         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1160         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1161         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1162         gtm_get_clock, gtm_inc_clock): New.
1163         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1164         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1165         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1166         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1167         replace uses with new libitm_i.h symbols.
1168         (dispatch_wbetl): Rename from wbetl_dispatch.
1169         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1170         away from dispatch_readonly; abort if the beginTransaction call
1171         asserted that the transaction was readonly.
1172
1173 2009-11-03  Richard Henderson  <rth@redhat.com>
1174
1175         * memset.c: New file.
1176         * Makefile.am (libitm_la_SOURCES): Add it.
1177         * Makefile.in: Rebuild.
1178         * testsuite/libitm.c/memset-1.c: New.
1179
1180 2009-11-03  Richard Henderson  <rth@redhat.com>
1181
1182         * dispatch.c: Remove file.
1183         * useraction.c (struct gtm_user_action): Move from libitm.h.
1184         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1185         (serial_memset, serial_memmove, serial_memcpy): Remove.
1186         (serial_W*, serial_R*): Remove.
1187         (serial_dispatch): Update to match.
1188         * configure.ac: Move Werror down below configure checks.  Don't
1189         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1190         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1191         Use GCC_AC_FUNC_MMAP_BLACKLIST
1192         * libitm.h: Split out all internal items to...
1193         * libitm_i.h: ... here.  New file.
1194         * copymask.c: New file.
1195         * local.c (struct gtm_local_undo): Move from libitm.h.
1196         (GTM_alloc_local): Rename from alloc_local; export.
1197         * memcpy.c: New file.
1198         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1199         * config/posix/page.c: New file.
1200         * config/posix/target_tls.h: Remove file.
1201         * barrier.c: New file.
1202         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1203         copymask.c, page.c.
1204         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1205         * method-wbetl.c: Rewrite for new cacheline methods.
1206         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1207
1208         * config/alpha/sjlj.S: Fix typo.
1209         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1210         * config/alpha/copymask.c: New file.
1211         * config/alpha/target.h (CACHELINE_SIZE): New.
1212         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1213
1214         * config/x86/target_i.h: Copy functions from x86/target.h.
1215         * config/x86/copymask.c: New file.
1216         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1217         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1218         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1219         * config/x86/target_tls.h: Move contents to target_i.h.
1220
1221         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1222         * testsuite/libitm.c/memcpy-1.c: New.
1223
1224 2009-10-22  Richard Henderson  <rth@redhat.com>
1225
1226         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1227         (AM_CCASFLAGS): New.
1228         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1229         saving/restoring _AC_ARG_VAR_PRECIOUS.
1230         * Makefile.in, aclocal.m4, config.h.in, configure,
1231         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1232
1233 2009-10-22  Richard Henderson  <rth@redhat.com>
1234
1235         * testsuite/*: Update for new compiler syntax.
1236
1237 2009-10-21  Richard Henderson  <rth@redhat.com>
1238
1239         * libitm.h (_ITM_abortReason): Add outerAbort.
1240
1241 2009-08-03  Richard Henderson  <rth@redhat.com>
1242
1243         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1244         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1245         * method-wbetl.c (struct w_entry): Remove mask.
1246         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1247         adjust all callers.
1248
1249 2009-07-22  Richard Henderson  <rth@redhat.com>
1250
1251         * eh_cpp.c: New file.
1252         * Makefile.am (libitm_la_SOURCES): Add it.
1253         * Makefile.in: Rebuild.
1254         * beginend.c (GTM_rollback_transaction): Undo exception state.
1255         (GTM_trycommit_transaction): Mark inline.
1256         (GTM_trycommit_and_finalize_transaction): Split out from ...
1257         (_ITM_commitTransaction): ... here.
1258         (_ITM_commitTransactionEH): New function.
1259         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1260         cxa_unthrown, eh_in_flight; reorder.
1261
1262         * testsuite/libitm.c++/c++.exp: New.
1263         * testsuite/libitm.c++/eh-1.C: New.
1264
1265         * aatree.c (aa_free): Remove REGPARM.
1266         * aatree.h: Remove all REGPARM.
1267
1268 2009-07-18  Richard Henderson  <rth@redhat.com>
1269
1270         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1271         * Makefile.am (libitm_la_SOURCES): Add them.
1272         * Makefile.in: Rebuild.
1273         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1274         (GTM_trycommit_transaction): Likewise.
1275         * libitm.h: Include aatree.h
1276         (struct gtm_alloc_action): New.
1277         (struct gtm_transaction): Add alloc_actions.
1278         (GTM_record_allocation, GTM_forget_allocation): Declare.
1279         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1280         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1281         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1282         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1283         _ZGTtdaPvRKSt9nothrow_t): Export.
1284
1285 2009-07-18  Richard Henderson  <rth@redhat.com>
1286
1287         * target_tls.h: Move ...
1288         * config/posix/target_tls.h: ... here.
1289
1290 2009-07-07  Richard Henderson  <rth@redhat.com>
1291
1292         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1293
1294 2009-07-07  Richard Henderson  <rth@redhat.com>
1295
1296         * Update to GPL3.
1297
1298 2009-07-07  Richard Henderson  <rth@redhat.com>
1299
1300         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1301         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1302
1303         * configure.tgt: Don't use -ftls-model for x86 linux.
1304         * libitm.h: Include target.h after standard includes.
1305         (_gtm_thr): Rename from gtm_thr.
1306         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1307         (gtm_disp, set_gtm_disp): New.
1308         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1309         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1310         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1311
1312 2009-07-07  Richard Henderson  <rth@redhat.com>
1313
1314         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1315
1316 2009-07-06  Richard Henderson  <rth@redhat.com>
1317
1318         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1319         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1320         (_ITM_beginTransaction): Take variadic arguments.
1321         (_ITM_registerThrownObject): Declare.
1322         * beginend.c, serial.c: Update.
1323         * libitm.map: Add _ITM_registerThrownObject.
1324
1325 2009-01-28  Richard Henderson  <rth@redhat.com>
1326
1327         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1328         * Makefile.in: Rebuild.
1329         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1330         (GTM_restart_transaction): Fix uninstrumented code check.
1331         * retry.c (GTM_decide_retry_strategy): Add serial check.
1332         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1333         automatically go irrevokable when in serial mode.
1334         * clone.c: New file.
1335         * libitm.h, libitm.map: Update.
1336
1337 2009-01-27  Richard Henderson  <rth@redhat.com>
1338
1339         * Makefile.am (LTCCASCOMPILE): Define.
1340         (libitm_la_SOURCES): Add methid-wbetl.c.
1341         * testsuite/Makefile.am: New
1342         * configure.ac: Add testsuite/Makefile.
1343         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1344         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1345         (_ITM_abortTransaction): Finalize implementation method; pass
1346         transaction properties to longjmp.
1347         (GTM_restart_transaction): Split out from ...
1348         (_ITM_commitTransaction): ... here.
1349         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1350         Move to config/x86/target.h.
1351         * config/linux/alpha/futex_bits.h: New.
1352         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1353         * config/x86/target.h: Disable target types for 32-bit.
1354         * config/alpha/sjlj.S, config/alpha/target.h: New.
1355         * libitm.h (struct gtm_dispatch): Add init, fini.
1356         (enum restart_reason): New.
1357         (struct gtm_transaction): Add method and restarts.
1358         * retry.c (GTM_decide_retry_strategy): Implement.
1359         * serial.c (serial_init, serial_fini): New.
1360         (GTM_serialmode): Finialize outgoing method.
1361         * method-wbetl.c: New.
1362
1363 2008-12-09  Richard Henderson  <rth@redhat.com>
1364
1365         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1366         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1367         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1368         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1369         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1370         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1371         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1372         * serial.c (serial_R##T, serial_W##T): Likewise.
1373
1374 2008-11-21  Richard Henderson  <rth@redhat.com>
1375
1376         * Initial commit.