libitm/ChangeLog

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