libitm/ChangeLog

   1 2013-04-11  Release Manager
   2
   3         * GCC 4.7.3 released.
   4
   5 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
   6
   7         PR other/43620
   8         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
   9         * Makefile.in: Regenerated.
  10         * configure: Regenerated.
  11         * testsuite/Makefile.in: Regenerated.
  12
  13 2012-09-20  Release Manager
  14
  15         * GCC 4.7.2 released.
  16
  17 2012-06-14  Release Manager
  18
  19         * GCC 4.7.1 released.
  20
  21 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
  22
  23         Backported from mainline
  24         2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
  25
  26         PR libitm/52854
  27         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
  28         for x86-64.
  29
  30 2012-03-22  Release Manager
  31
  32         * GCC 4.7.0 released.
  33
  34 2012-03-13  Torvald Riegel  <triegel@redhat.com>
  35
  36         PR libitm/52526
  37         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
  38         wake-up.
  39
  40 2012-03-02  Torvald Riegel  <triegel@redhat.com>
  41
  42         * libitm.texi: Link to specification and add a usage example.
  43
  44 2012-02-24  Torvald Riegel  <triegel@redhat.com>
  45
  46         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
  47         default dispatch for more than 1 thread to ml_wt.
  48
  49 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  50
  51         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
  52
  53 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  54
  55         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
  56
  57 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  58
  59         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
  60         serial mode corner cases made obsolete by prior gtm_rwlock changes.
  61         (gl_wt_dispatch.rollback): Same.
  62
  63 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  64
  65         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
  66
  67 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  68
  69         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
  70         for RfW src.  Optimize number of calls to gtm_thr.
  71
  72 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  73
  74         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
  75         acquisition to ...
  76         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
  77         (default_dispatch): Make atomic.
  78         (GTM::gtm_thread::set_default_dispatch): Access atomically.
  79         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
  80         use decide_begin_dispatch() if default_dispatch might have changed.
  81         (GTM::gtm_thread::number_of_threads_changed): Initialize
  82         default_dispatch here.
  83
  84 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
  85             Patrick Marlier  <patrick.marlier@gmail.com>
  86
  87         PR libitm/52220
  88         * alloc_cpp.cc: No dummy definitions for darwin.
  89         * eh_cpp.cc: Likewise.
  90
  91 2012-02-14  Richard Henderson  <rth@redhat.com>
  92
  93         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
  94
  95 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
  96
  97         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
  98
  99 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 100
 101         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 102         (GTM::gtm_thread): Add read and write logs.
 103         (GTM::dispatch_ml_wt): Declare.
 104         * retry.cc (parse_default_method): Support ml_wt.
 105         * method-ml.cc: New file.
 106         * Makefile.am: Add method-ml.cc.
 107         * Makefile.in: Regenerate.
 108
 109 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 110
 111         * dispatch.h (GTM::abi_dispatch::supports): New.
 112         (GTM::method_group::reinit): New.
 113         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 114         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 115         supports the current situation.
 116
 117 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 118
 119         * util.cc (GTM::xcalloc): New.
 120         * common.h (GTM::xcalloc): Declare.
 121
 122 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 123
 124         * config/sparc/target.h (cpu_relax): Read from CC register.
 125         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 126
 127 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 128
 129         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 130
 131 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 132
 133         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 134         * config/sparc/cacheline.h: New file.
 135         * config/sparc/target.h: Likewise.
 136         * config/sparc/sjlj.S: Likewise.
 137         * config/linux/sparc/futex_bits.h: Likewise.
 138
 139 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 140
 141         * configure.ac (link_itm): Fix comment.
 142         * configure: Regenerate.
 143         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 144
 145 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 146
 147         PR libitm/51822
 148         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 149         Correct libgomp references.
 150
 151 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 152
 153         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 154         wake-up.
 155
 156 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 157
 158         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 159         end of structure.
 160         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 161         offset values.  Do not copy return address.  Decrement stack
 162         by 56 bytes only.
 163         (GTM_longjump) [__x86_64__]: Update offset values.
 164
 165 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 166
 167         PR libitm/51830
 168         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 169         the first function argument to %eax.
 170
 171 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 172
 173         * libitm.h (_ITM_getThreadnum): Remove.
 174         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 175
 176 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 177
 178         * clearcap.map: New file.
 179         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 180         * configure.ac: Call it.
 181         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 182         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 183         * configure: Regenerate.
 184         * Makefile.in: Regenerate.
 185         * testsuite/Makefile.in: Regenerate.
 186
 187 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 188
 189         PR libitm/51173
 190         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 191         include, exclude options.
 192
 193 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 194
 195         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 196         rolling back.
 197         * containers.h (GTM::vector::set_size): New.
 198
 199 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 200
 201         PR libitm/51855
 202         * config/generic/tls.h (GTM::mask_stack_top): New.
 203         (GTM::mask_stack_bottom): Declare.
 204         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 205         * local.cc (gtm_undolog::rollback): Filter out any updates that
 206         overlap the libitm stack.  Add current transaction as parameter.
 207         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 208         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 209         * testsuite/libitm.c/stackundo.c: New test.
 210
 211 2012-01-10  Richard Henderson  <rth@redhat.com>
 212
 213         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 214         * eh_cpp.cc (_Unwind_DeleteException): Define for
 215         !HAVE_ELF_STYLE_WEAKREF.
 216
 217 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 218
 219         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 220         (GTM::gtm_thread::drop_references_undolog): Remove.
 221         (GTM::gtm_thread::commit_undolog,
 222         GTM::gtm_thread::rollback_undolog): Move to ...
 223         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 224         (GTM::gtm_undolog_entry): Remove.
 225         (GTM::gtm_thread): Adapt.
 226         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 227         (GTM::gtm_thread::trycommit): Adapt.
 228         * method-serial.cc (serial_dispatch::log): Adapt.
 229         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 230         (gl_wt_dispatch::store): Fix likely/unlikely.
 231         * containers.h (GTM::vector::resize): Add additional_capacity
 232         parameter and handle it.
 233         (GTM::vector::resize_noinline): New/adapt.
 234         (GTM::vector::push): New.
 235
 236 2012-01-06  Richard Henderson  <rth@redhat.com>
 237
 238         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 239         * config/linux/powerpc/futex_bits.h: New file.
 240         * config/powerpc/cacheline.h: New file.
 241         * config/powerpc/sjlj.S: New file.
 242         * config/powerpc/target.h: New file.
 243         * config/generic/asmcfi.h (cfi_offset): New.
 244         (cfi_restore, cfi_undefined): New.
 245
 246 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 247
 248         PR other/51171
 249         * testsuite/libitm.c/reentrant.c: Remove xfail.
 250         (thread): Pass x to pure().
 251         From Patrik Marlier <patrick.marlier@gmail.com>.
 252
 253 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 254
 255         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 256         privatization safety if already in serial mode.
 257
 258 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 259
 260         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 261         finish_serial_upgrade parameter.
 262         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 263         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 264         Don't unset reader flag.
 265         (GTM::gtm_rwlock::write_upgrade_finish): New.
 266         * config/posix/rwlock.cc: Same.
 267         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 268         Declare.
 269         * config/posix/rwlock.h: Same.
 270         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 271         flag after commit or after rollback when restarting.
 272
 273 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 274
 275         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 276         (GTM::gtm_thread::try_commit): Changed memory order.
 277         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 278         as parameter.
 279         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 280         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 281         * config/linux/futex_bits.h (sys_futex0): Same.
 282         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 283         * config/linux/futex.h (futex_wait, futex_wake): Same.
 284         * config/linux/rwlock.h (gtm_rwlock::writers,
 285         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 286         ints.
 287         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 288         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 289         gtm_rwlock::write_unlock): Fix memory orders and fences.
 290         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 291         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 292         gtm_rwlock::write_unlock): Same.
 293         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 294         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 295         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 296         Add comments.
 297         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 298         gl_wt_dispatch::load, gl_wt_dispatch::store,
 299         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 300         orders and fences.  Add comments.
 301
 302 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 303
 304         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 305         * Makefile.in: Regenerated.
 306
 307 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 308
 309         * configure.tgt: Add sh* case.
 310         * config/sh/target.h: New file.
 311         * config/sh/sjlj.S: New file.
 312         * config/linux/sh/futex_bits.h: New file.
 313
 314 2011-12-14  Richard Henderson  <rth@redhat.com>
 315
 316         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 317         * config/arm/sjlj.S, config/arm/target.h: New files.
 318         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 319         (cfi_rel_offset): New.
 320         * config/linux/futex_bits.h: New file.
 321         * config/linux/futex.cc: Include futex_bits.h here...
 322         * config/linux/futex.h: ... not here.
 323         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 324         * configure.ac (ARCH_AM): New conditional.
 325         * Makefile.in, configure: Rebuild.
 326         * configure.tgt: Handle ARM.
 327
 328 2011-12-13  Richard Henderson  <rth@redhat.com>
 329
 330         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 331         signed/unsigned comparison werror.
 332
 333         * local_atomic: New file.
 334         * libitm_i.h: Include it.
 335         (gtm_thread::shared_state): Use atomic template.
 336         * beginend.cc (GTM::gtm_clock): Use atomic template.
 337         (global_tid): Use atomic template if 64-bit atomics available.
 338         (gtm_thread::gtm_thread): Update shared_state access.
 339         (gtm_thread::trycommit): Likewise.
 340         (choose_code_path): Update global_tid access.
 341         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 342         * stmlock.h (GTM::gtm_clock): Use atomic template.
 343         (gtm_get_clock, gtm_inc_clock): Update accesses.
 344         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 345         redundant __sync_synchronize after atomic shared_state access.
 346         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 347         (gtm_rwlock::write_lock_generic): Likewise.
 348         (gtm_rwlock::read_unlock): Likewise.
 349         * config/alpha/target.h (atomic_read_barrier): Remove.
 350         (atomic_write_barrier): Remove.
 351         * config/x86/target.h (atomic_read_barrier): Remove.
 352         (atomic_write_barrier): Remove.
 353
 354 2011-11-30  Richard Henderson  <rth@redhat.com>
 355
 356         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 357         * beginend.c (_ITM_abortTransaction): Update to match.
 358         (GTM::gtm_thread::restart): Likewise.
 359         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 360         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 361
 362 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 363
 364         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 365         * Makefile.in: Regenerate.
 366
 367 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 368
 369         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 370         * alloc_cpp.cc: Generate dummy functions if we don't
 371         HAVE_ELF_STYLE_WEAKREF.
 372         * eh_cpp.cc: Likewise.
 373         * configure: Regenerate.
 374         * aclocal.m4:  Likewise.
 375         * config.h.in: Likewise.
 376         * Makefile.in: Likewise.
 377         * testsuite/Makefile.in: Likewise.
 378
 379 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 380
 381         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 382         __USER_LABEL_PREFIX__ for targets that use it.
 383         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 384         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 385         in portability to non-elf targets.
 386         (GTM_longjmp): Likewise.
 387         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 388         where required.
 389
 390 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 391
 392         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 393         * testsuite/libitm.c/memset-1.c: Likewise.
 394
 395 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 396
 397         * configure: Regenerate.
 398
 399 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 400
 401         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 402         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 403         * Makefile.am: Handle sun style versioning.
 404         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 405         * configure: Regenerate.
 406         * Makefile.in: Regenerate.
 407
 408 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 409
 410         * config/generic/asmcfi.h: Fix comment.
 411         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 412         sequence without .hidden support, error for non-ELF targets.
 413         (GTM_longjmp) [__ELF__]: Only use .hidden if
 414         HAVE_ATTRIBUTE_VISIBILITY.
 415
 416 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 417
 418         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 419         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 420         Dummy functions.
 421         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 422         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 423
 424 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 425
 426         PR bootstrap/51098
 427         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 428         * configure: Regenerate.
 429
 430 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 431
 432         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 433
 434 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 435
 436         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 437         .hidden.
 438         (.note.GNU-stack): Only use if __linux__.
 439         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 440         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 441         * testsuite/libitm.c/reentrant.c: Likewise.
 442         * testsuite/libitm.c/simple-2.c: Likewise.
 443         * testsuite/libitm.c/txrelease.c: Likewise.
 444         * testsuite/libitm.c++/static_ctor.C: Likewise.
 445
 446 2011-11-10  Richard Henderson  <rth@redhat.com>
 447
 448         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 449         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 450         * configure.ac (ARCH_X86_AVX): New conditional.
 451         * Makefile.in, configure: Rebuild.
 452
 453 2011-11-09  Richard Henderson  <rth@redhat.com>
 454
 455         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 456         * configure.ac: Use it.
 457         * config.h.in, configure: Rebuild.
 458         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 459
 460 2011-11-09  Richard Henderson  <rth@redhat.com>
 461
 462         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 463         * config/alpha/unaligned.h: Remove file.
 464         * config/generic/unaligned.h: Remove file.
 465         * config/x86/unaligned.h: Remove file.
 466         * config/generic/cachepage.h: Remove file.
 467         * config/posix/cachepage.cc: Remove file.
 468         * config/generic/cacheline.cc: Remove file.
 469         * config/x86/cacheline.cc: Remove file.
 470         * config/generic/cacheline.h (gtm_cacheline): Remove the
 471         store_mask, copy_mask, copy_mask_wb methods.
 472         * config/x86/cacheline.h: Likewise.
 473         * config/alpha/cacheline.h: Fall back to generic after setting size.
 474         * config/generic/tls.cc (gtm_mask_stack): Remove.
 475         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 476         (GTM_vpalignr_table): Remove.
 477         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 478         (GTM_pshift_table): Remove.
 479         * config/libitm_i.h: Don't include cachepage.h.
 480         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 481         * Makefile.in, testsuite/Makefile.in: Rebuild.
 482
 483 2011-11-09  Richard Henderson  <rth@redhat.com>
 484
 485         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 486         to emit branch prediction hint.
 487
 488         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 489         Protect .note.GNU-stack with __linux__.
 490
 491         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 492         * configure, aclocal.m4, config.h.in: Rebuild.
 493         * config/generic/asmcfi.h: New file.
 494         * config/x86/sjlj.S: Use it.
 495
 496 2011-11-08  Richard Henderson  <rth@redhat.com>
 497
 498         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 499
 500 2011-11-08  Richard Henderson  <rth@redhat.com>
 501
 502         * configure.tgt: Test correct directory for supported cpus.
 503
 504         * configure.ac: Exit if unsupported.
 505         * configure: Rebuild.
 506         * configure.tgt: Delete boilerplate from libgomp for unsupported
 507         targets.  Set UNSUPPORTED for unsupported targets.
 508
 509 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 510
 511         * configure.tgt: Handle i386 like i[456]86.
 512         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 513         take address.
 514         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 515         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 516
 517 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 518
 519         * method-wbetl.cc: Update copyright notice.
 520         * aatree.cc: Same.
 521         * util.cc: Same.
 522         * libitm.h: Same.
 523         * memset.cc: Same.
 524         * eh_cpp.cc: Same.
 525         * barrier.tpl: Same.
 526         * useraction.cc: Same.
 527         * stmlock.h: Same.
 528         * memcpy.cc: Same.
 529         * common.h: Same.
 530         * config/generic/tls.cc: Same.
 531         * config/generic/cacheline.h: Same.
 532         * config/generic/cachepage.h: Same.
 533         * config/generic/cacheline.cc: Same.
 534         * config/generic/unaligned.h: Same.
 535         * config/x86/cacheline.h: Same.
 536         * config/x86/cacheline.cc: Same.
 537         * config/x86/unaligned.h: Same.
 538         * config/alpha/cacheline.h: Same.
 539         * config/alpha/unaligned.h: Same.
 540         * config/alpha/sjlj.S: Same.
 541         * config/posix/cachepage.cc: Same.
 542         * config/linux/futex.h: Same.
 543         * config/linux/alpha/futex_bits.h: Same.
 544
 545 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 546
 547         * libitm.texi: No cover text and invariant sections.
 548
 549 2011-11-03  Richard Henderson  <rth@redhat.com>
 550
 551         * local_type_traits: New file.
 552         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 553
 554 2011-11-03  Richard Henderson  <rth@redhat.com>
 555
 556         * configure.ac: Don't test for gfortran.
 557         * configure: Rebuild.
 558
 559         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 560         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 561
 562 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 563
 564         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 565         * testsuite/libitm.c/memset-1.c: Same.
 566         * testsuite/libitm.c/c.exp: Same.
 567         * testsuite/lib/libitm-dg.exp: Same.
 568         * testsuite/lib/libitm.exp: Same.
 569         * testsuite/libitm.c++/c++.exp: Same.
 570
 571 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 572
 573         * testsuite/config/default.exp: Update copyright date.
 574         * configure.ac: Add copyright info.
 575         * configure.tgt: Same.
 576
 577 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 578
 579         * testsuite/libitm.c/reentrant.c: XFAIL.
 580         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 581
 582 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 583
 584         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 585         handle aborts.
 586         (_ITM_abortTransaction): Handle aborts of outer transactions.
 587         * libitm_i.h: Same.
 588         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 589         * libitm.texi: Document aborts of outer transactions.
 590         * testsuite/libitm.c/cancel.c: New file.
 591
 592 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 593
 594         * testsuite/*: Change __transaction to __transaction_atomic or
 595         __transaction_relaxed.
 596
 597 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 598
 599         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 600         (gtm_thr): Same.
 601
 602 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 603
 604         * libitm_i.h: Add gl_wt dispatch.
 605         * retry.cc (parse_default_method): Same.
 606         * method-gl.cc: New file.
 607         * Makefile.am: Use method-gl.cc.
 608         * Makefile.in: Rebuild.
 609
 610 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 611
 612         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 613         safety if requested by a TM method.
 614         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 615         privatization safety.
 616         * method-serial.cc: Same.
 617
 618 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 619
 620         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 621         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 622         undolog-related member functions from *_local to *_undolog.
 623         * local.cc (gtm_thread::commit_undolog): Same.
 624         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 625         (GTM::gtm_thread::rollback): Roll back undolog before
 626         dispatch-specific rollback.
 627
 628 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 629
 630         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 631         re-initialization of the current method group.
 632         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 633
 634 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 635
 636         * alloc.cc (commit_allocations_2): Do not free transaction-local
 637         memory when committing a nested transaction.
 638
 639 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 640
 641         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 642         serial-irrevocable dispatch, not serial.
 643
 644 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 645
 646         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 647         declarations.
 648         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 649         * method-serial.cc: Implement begin_or_restart().
 650         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 651         dispatch-specific begin_or_restart().
 652         (GTM::gtm_thread::restart): Same.
 653
 654 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 655
 656         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 657         restarting without switching to serial mode.
 658         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 659         transaction state. Choose closed-nesting alternative if available.
 660         (GTM::gtm_thread::set_default_dispatch): New.
 661         (parse_default_method): New.
 662         (GTM::gtm_thread::number_of_threads_changed): New.
 663         * method-serial.cc (GTM::serial_mg): New method group class.
 664         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 665         fini.
 666         (GTM::serial_dispatch): Same.
 667         (GTM::serialirr_onwrite_dispatch): Same.
 668         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 669         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 670         registered threads.
 671         (GTM::gtm_thread::gtm_thread): Same.
 672         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 673         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 674         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 675         choose dispatch but set state according to dispatch here.
 676         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 677         (GTM::method_group): New class.
 678         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 679         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 680         * libitm.texi: Document TM methods, method groups, method life cycle.
 681         Rename method sets to method groups.
 682
 683 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 684
 685         * config/x86/tls.h: Moved to ...
 686         * config/linux/x86/tls.h: ... here.
 687
 688 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 689
 690         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 691         Add X32 support.
 692         * config/x86/sjlj.S: Same.
 693
 694 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 695
 696         * config/linux/rwlock.h: New file.
 697         * config/linux/rwlock.c: New file.
 698         * configure.ac: Reenable futex support (undo SVN rev 157758).
 699         * Makefile.am: Same.
 700         * configure.tgt: Same.
 701         * config/linux/alpha/futex_bits.h: Same.
 702         * config/linux/futex.h: Same. Return number of woken processes.
 703         * config/linux/futex.cc: Same.
 704         (futex_wait): Remove spinning.
 705         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 706         Use __x86_64__ instead of __LP64__.
 707         * aclocal.m4: Include generic futex checks.
 708         * configure: Rebuild.
 709         * Makefile.in: Rebuild.
 710         * testsuite/Makefile.in: Rebuild.
 711         * beginend.cc: Include pthread.h.
 712         * config/posix/cachepage.cc: Same.
 713
 714 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 715
 716         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 717         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 718         (set_gtm_thr): New.
 719         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 720         (set_gtm_thr): New.
 721         (GTM::gtm_thread::thread_num): Removed.
 722         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 723         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 724         tx-to-thread renaming.
 725         * beginend.cc: Adapted to tx-to-thread renaming.
 726         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 727         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 728         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 729         gtm_transaction to gtm_thread.
 730         (_ITM_getThreadnum): Removed. Not supported anymore.
 731         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 732         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 733         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 734         gtm_tx-to-gtm_thr renaming if necessary.
 735         * eh_cpp.cc: Same.
 736         * local.cc: Same.
 737         * retry.cc: Same.
 738         * clone.cc: Same.
 739         * alloc.cc: Same.
 740         * alloc_c.cc: Same.
 741         * alloc_cpp.cc: Same.
 742         * method-serial.cc: Same.
 743         * config/generic/tls.cc: Same.
 744         * config/posix/rwlock.h (gtm_rwlock): Same.
 745         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 746
 747 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 748
 749         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 750         implementation.
 751         (gtm_rwlock::read_unlock): Same.
 752         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 753         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 754         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 755         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 756         w_upgrade. Replaced by per-transaction flags (in shared_state).
 757         Added c_confirmed_writers.
 758         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 759         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 760         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 761         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 762         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 763         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 764         * libitm.texi: Document locking conventions and implementations in
 765         libitm.
 766
 767 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 768
 769         * libitm_i.h (next_tx): Add list of all threads' transaction.
 770         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 771         transaction with list of transactions and ...
 772         (thread_exit_handler): ... deregister here.
 773         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 774         * config/x86/target.h: Same.
 775
 776 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 777
 778         * testsuite/libitm.c++/static_ctor.C: New file.
 779
 780 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 781
 782         * testsuite/libitm.c/reentrant.c: New file.
 783
 784 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 785
 786         * config/generic/tls.h: Remove the free list for transactions and ...
 787         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 788         (GTM::gtm_transaction::operator delete): ... and release here.
 789         (thread_exit_handler): New. Delete tx when thread terminates.
 790         (thread_exit_init): New.
 791         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 792         * testsuite/libitm.c/txrelease.c: New file.
 793
 794 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 795
 796         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 797         * testsuite/libitm.c/notx.c: New file.
 798
 799 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 800
 801         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 802         * libitm_i.h (local_tid): ... to here.
 803         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 804         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 805
 806 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 807
 808         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 809         serialirr_onwrite_dispatch as new default for now.
 810         * method-serial.cc (serialirr_onwrite_dispatch): New.
 811         (GTM::dispatch_serialirr_onwrite): New.
 812         * libitm_i.h: Same.
 813
 814 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 815
 816         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 817         * query.cc (_ITM_getTransactionId): There is no active transaction if
 818         the current nesting level is zero.
 819
 820 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 821
 822         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 823         rollback.
 824
 825 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 826
 827         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 828         transaction properties from the caller instead of from the
 829         transaction object.
 830         * libitm_i.h: Same.
 831         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 832
 833 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 834
 835         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 836         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 837         * dispatch.h: Same.
 838         * method-serial.cc: Same.
 839         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 840         flat nesting as default, and closed nesting on demand.
 841         (GTM::gtm_transaction::rollback): Same.
 842         (_ITM_abortTransaction): Same.
 843         (GTM::gtm_transaction::restart): Same.
 844         (GTM::gtm_transaction::trycommit): Same.
 845         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 846         (choose_code_path): New.
 847         (GTM::gtm_transaction_cp::save): New.
 848         (GTM::gtm_transaction_cp::commit): New.
 849         * query.cc (_ITM_inTransaction): Support flat nesting.
 850         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 851         (GTM::gtm_transaction): Support flat and closed nesting.
 852         * alloc.cc (commit_allocations_2): New.
 853         (commit_cb_data): New helper struct.
 854         (GTM::gtm_transaction::commit_allocations): Handle nested
 855         commits/rollbacks.
 856         * libitm.texi: Update user action section, add description of nesting.
 857
 858 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 859
 860         * libitm_i.h: Add closed nesting as restart reason.
 861         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 862
 863 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 864
 865         * useraction.cc: Use vector instead of list to store actions.
 866         Also support partial rollbacks for closed nesting.
 867         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 868         * beginend.cc: Same.
 869
 870 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 871
 872         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 873         closed_nesting flags, as well as a closed nesting alternative.
 874         * method-serial.cc: Same.
 875         (serial_dispatch): Renamed to serialirr_dispatch.
 876         (GTM::dispatch_serialirr): Same.
 877         (serial_dispatch_ul): Renamed to serial_dispatch.
 878         (GTM::dispatch_serial): Same.
 879
 880 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 881
 882         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 883
 884 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 885
 886         * aatree.h (aa_tree::remove): New.
 887         (aa_tree::operator new): Add placement new.
 888
 889 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 890
 891         * containers.h: New file.
 892         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 893         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 894         * common.h: ... to here.
 895         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 896         * local.cc: Same.
 897
 898 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 899
 900         * libitm_i.h (STATE_ABORTING): Remove.
 901         * beginend.cc (_ITM_abortTransaction): Same.
 902         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 903         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 904         (_ITM_rollbackTransaction): Remove.
 905         * beginend.cc: Same.
 906         * libitm.map: Same.
 907         * libitm.texi: Document these ABI changes.
 908
 909 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 910
 911         * libitm.texi: New file.
 912         * Makefile.am: Add libitm.texi.
 913         * Makefile.in: Rebuild.
 914
 915 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 916
 917         * libitm_i.h: Move parts to common.h and dispatch.h.
 918         * common.h: New file.
 919         * dispatch.h: New file, new dispatch class.
 920         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 921         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 922         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 923         decision to retry.cc.
 924         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 925         only.
 926         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 927         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 928         logging.
 929         * barrier.cc: Use new barriers definitions.
 930         (abi_dispatch::memmove_overlap_check): New.
 931         * config/x86/x86_sse.cc: Same.
 932         * config/x86/x86_avx.cc: Same.
 933         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 934         memcpy.cc.
 935         * Makefile.in: Rebuild.
 936         * method-readonly.cc: Remove.
 937         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 938         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 939
 940 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 941
 942         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 943         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 944         * testsuite/libitm.c/dropref-2.c: Same.
 945         * testsuite/libitm.c/dropref.c: Same.
 946
 947 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 948
 949         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 950         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 951         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 952         * alloc_c.cc: Same.
 953         * barrier.tpl: Same.
 954         * beginend.c: Same.
 955         * config/generic/tls.h: Same.
 956         * config/x86/tls.h: Same.
 957         * libitm_i.h: Same.
 958         * memcpy.cc: Same.
 959         * memset.cc: Same.
 960         * method-readonly.cc: Same.
 961         * method-serial.cc: Same.
 962         * method-wbetl.cc: Same.
 963         * retry.cc: Same.
 964
 965 2011-03-03  Richard Henderson  <rth@redhat.com>
 966
 967         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 968         From Patrik Marlier <patrick.marlier@unine.ch>.
 969
 970 2011-02-03  Richard Henderson  <rth@redhat.com>
 971
 972         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 973         * configure.ac: Use it.
 974         * configure, config.h.in: Rebuild.
 975         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 976         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 977         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 978         * libitm.map: Use wildcards to match size_t mangling.
 979
 980 2010-12-14  Richard Henderson  <rth@redhat.com>
 981
 982         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 983         blocks of TIDs per thread.
 984         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 985         (setup_gtm_thr): Return the thread structure.
 986         * config/x86/tls.h (setup_gtm_thr): Likewise.
 987
 988 2010-12-14  Richard Henderson  <rth@redhat.com>
 989
 990         * clone.cc (table_lock): Remove.
 991         (find_clone): Don't take it.
 992         (ExcludeTransaction): New helper class.
 993         (_ITM_registerTMCloneTable): Use it.
 994         (_ITM_deregisterTMCloneTable): Likewise.
 995
 996 2010-12-14  Richard Henderson  <rth@redhat.com>
 997
 998         * config/x86/tls.h: New file.
 999
1000 2010-07-15  Richard Henderson  <rth@redhat.com>
1001
1002         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1003         * Makefile.in: Rebuild.
1004
1005 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1006
1007         * method-wbetl.cc (trydropreference): Fix source line.
1008
1009 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1010
1011         * libitm.h: Add comment.
1012         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1013
1014 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1015
1016         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1017         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1018         available, use pthread mutexes.
1019         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1020         * config.h.in: Regenerate.
1021         * configure: Regenerate.
1022
1023 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1024
1025         * libitm.h (ITM_PURE): Define.
1026         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1027
1028 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1029
1030         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1031         (validate): Add comment.
1032         (trydropreference): New.
1033         * method-readonly.cc (class readonly_dispatch): Add
1034         trydropreference.
1035         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1036         Call trydropreference().
1037         * libitm.h (_ITM_dropReferences): Remove const attribute.
1038         * method-serial.cc (class serial_dispatch): Add trydropreference.
1039         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1040
1041 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1042
1043         * memcpy.cc (do_memcpy): Comment.
1044
1045 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1046
1047         * barrier.tpl: Add comments throughout.
1048
1049 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1050
1051         * method-wbetl.cc (struct w_entry): Add comments.
1052         (trycommit): Same.
1053         (rollback): Same.
1054
1055 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1056
1057         * alloc_c.cc (_ITM_dropReferences): New.
1058         * libitm.map (_ITM_dropReferences): Add.
1059         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1060         * libitm_i.h (struct gtm_transaction): Declare
1061         drop_references_allocations and drop_references_local.
1062         * local.cc (rollback_local): Ignore memory when applicable.
1063         (drop_references_local): New.
1064
1065 2010-06-23  Richard Henderson  <rth@redhat.com>
1066
1067         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1068         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1069         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1070         * config/alpha/target.h: Likewise.
1071         * config/generic/tls.cc (gtm_mask_stack): Use it.
1072
1073 2010-06-23  Richard Henderson  <rth@redhat.com>
1074
1075         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1076         a mutex instead of trying a lock-free compare-and-swap on the list.
1077         (gtm_cacheline_page::operator delete): Likewise.
1078
1079 2010-06-16  Richard Henderson  <rth@redhat.com>
1080
1081         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1082         that overlap the libitm stack.
1083         * barrier.tpl: Mark incoming stack.
1084         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1085         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1086         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1087         * memcpy.cc, memset.cc: Likewise.
1088         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1089         * config/generic/tls.h (gtm_thread): Add stack_top member.
1090         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1091         * libitm_i.h (gtm_mask_stack): Declare.
1092         * config/generic/tls.cc: New file.
1093         * Makefile.am (libitm_la_SOURCES): Add it.
1094         (AM_CXXFLAGS): Turn off exceptions.
1095         * Makefile.in: Rebuild.
1096
1097 2010-06-16  Richard Henderson  <rth@redhat.com>
1098
1099         * alloc.cc (struct gtm_alloc_action): Move definition ...
1100         * libitm_i.h: ... here.
1101         (class gtm_transaction): Declare new and delete.
1102         * beginend.cc (alloc_tx): Reformulate as operator new.
1103         (free_tx): Reformulate as operator delete.
1104         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1105
1106 2010-06-11  Richard Henderson  <rth@redhat.com>
1107
1108         * clone.cc (clone_entry_compare): Fix typo.
1109         From Patrik Marlier <patrick.marlier@unine.ch>.
1110
1111 2010-05-13  Richard Henderson  <rth@redhat.com>
1112
1113         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1114         in extern "C".
1115
1116 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1117
1118         * libitm_i.h (struct gtm_transaction): Remove
1119         get_allocation_size.
1120         (record_allocation): Remove size parameter.
1121         * libitm.map (_ITM_realloc): Remove.
1122         * alloc_c.cc (_ITM_realloc): Remove.
1123         (_ITM_malloc): Remove size argument to record_allocation.
1124         (_ITM_calloc): Same.
1125         * alloc_cpp.cc (_ZGTtnwm): Same.
1126         (_ZGTtnwmRKSt9nothrow_t): Same.
1127         (_ZGTtnam): Same.
1128         (_ZGTtnamRKSt9nothrow_t): Same.
1129         * alloc.cc (struct gtm_alloc_action): Remove size.
1130         (get_allocation_size): Remove.
1131         (commit_allocations): Add comment.
1132         (record_allocation): Remove size parameter.
1133         (forget_allocation): Remove set of size.
1134
1135 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1136
1137         * Makefile.am (abi_version): New.
1138         (AM_CXXFLAGS): Pass abi_version.
1139         * Makefile.in: Regenerate.
1140         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1141
1142 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1143
1144         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1145         _ITM_getTMCloneOrIrrevokable.
1146         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1147         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1148
1149 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1150
1151         * configure.ac: Remove Linux futex support.
1152         * configure.tgt (config_path): Same.
1153         * Makefile.am: Same.
1154         * config/linux: Remove entire directory.
1155         * configure: Rebuild.
1156         * Makefile.in: Rebuild.
1157         * testsuite/Makefile.in: Rebuild.
1158
1159 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1160
1161         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1162         switching to serial mode.
1163         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1164
1165 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1166
1167         * configure.tgt: Add emacs -*- tags.
1168         * barrier.tpl: Same.
1169
1170 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1171
1172         * Makefile.am: Rename serial.cc to method-serial.cc.
1173         * Makefile.in: Regenerate with automake 1.11.1.
1174         * testsuite/Makefile.in: Same.
1175         * aclocal.m4: Regenerate with aclocal 1.11.1.
1176         * method-serial.cc: Rename from serial.cc.
1177         * libitm_i.h (struct gtm_transaction): Update comment on
1178         serialirr_mode.
1179
1180 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1181
1182         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1183         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1184
1185 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1186
1187         * configure: Rebuild.
1188
1189 2009-11-12  Richard Henderson  <rth@redhat.com>
1190
1191         * Rewrite everything in C++.
1192
1193 2009-11-03  Richard Henderson  <rth@redhat.com>
1194
1195         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1196         * Makefile.am (libitm_la_SOURCES): Add them.
1197         * configure.ac (ARCH_X86): New conditional.
1198         * Makefile.in, configure: Rebuild.
1199         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1200         Move futex setup into "other system configury" case.
1201         * local.c (rollback_local): Merge into ...
1202         (GTM_rollback_local): ... here.
1203         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1204         (_ITM_LB): Define as an alias to GTM_LB.
1205
1206 2009-11-03  Richard Henderson  <rth@redhat.com>
1207
1208         * method-readonly.c: New file.
1209         * Makefile.am (libitm_la_SOURCES): Add it.
1210         * Makefile.in: Rebuild.
1211         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1212         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1213         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1214         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1215         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1216         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1217         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1218         gtm_get_clock, gtm_inc_clock): New.
1219         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1220         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1221         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1222         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1223         replace uses with new libitm_i.h symbols.
1224         (dispatch_wbetl): Rename from wbetl_dispatch.
1225         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1226         away from dispatch_readonly; abort if the beginTransaction call
1227         asserted that the transaction was readonly.
1228
1229 2009-11-03  Richard Henderson  <rth@redhat.com>
1230
1231         * memset.c: New file.
1232         * Makefile.am (libitm_la_SOURCES): Add it.
1233         * Makefile.in: Rebuild.
1234         * testsuite/libitm.c/memset-1.c: New.
1235
1236 2009-11-03  Richard Henderson  <rth@redhat.com>
1237
1238         * dispatch.c: Remove file.
1239         * useraction.c (struct gtm_user_action): Move from libitm.h.
1240         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1241         (serial_memset, serial_memmove, serial_memcpy): Remove.
1242         (serial_W*, serial_R*): Remove.
1243         (serial_dispatch): Update to match.
1244         * configure.ac: Move Werror down below configure checks.  Don't
1245         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1246         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1247         Use GCC_AC_FUNC_MMAP_BLACKLIST
1248         * libitm.h: Split out all internal items to...
1249         * libitm_i.h: ... here.  New file.
1250         * copymask.c: New file.
1251         * local.c (struct gtm_local_undo): Move from libitm.h.
1252         (GTM_alloc_local): Rename from alloc_local; export.
1253         * memcpy.c: New file.
1254         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1255         * config/posix/page.c: New file.
1256         * config/posix/target_tls.h: Remove file.
1257         * barrier.c: New file.
1258         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1259         copymask.c, page.c.
1260         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1261         * method-wbetl.c: Rewrite for new cacheline methods.
1262         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1263
1264         * config/alpha/sjlj.S: Fix typo.
1265         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1266         * config/alpha/copymask.c: New file.
1267         * config/alpha/target.h (CACHELINE_SIZE): New.
1268         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1269
1270         * config/x86/target_i.h: Copy functions from x86/target.h.
1271         * config/x86/copymask.c: New file.
1272         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1273         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1274         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1275         * config/x86/target_tls.h: Move contents to target_i.h.
1276
1277         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1278         * testsuite/libitm.c/memcpy-1.c: New.
1279
1280 2009-10-22  Richard Henderson  <rth@redhat.com>
1281
1282         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1283         (AM_CCASFLAGS): New.
1284         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1285         saving/restoring _AC_ARG_VAR_PRECIOUS.
1286         * Makefile.in, aclocal.m4, config.h.in, configure,
1287         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1288
1289 2009-10-22  Richard Henderson  <rth@redhat.com>
1290
1291         * testsuite/*: Update for new compiler syntax.
1292
1293 2009-10-21  Richard Henderson  <rth@redhat.com>
1294
1295         * libitm.h (_ITM_abortReason): Add outerAbort.
1296
1297 2009-08-03  Richard Henderson  <rth@redhat.com>
1298
1299         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1300         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1301         * method-wbetl.c (struct w_entry): Remove mask.
1302         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1303         adjust all callers.
1304
1305 2009-07-22  Richard Henderson  <rth@redhat.com>
1306
1307         * eh_cpp.c: New file.
1308         * Makefile.am (libitm_la_SOURCES): Add it.
1309         * Makefile.in: Rebuild.
1310         * beginend.c (GTM_rollback_transaction): Undo exception state.
1311         (GTM_trycommit_transaction): Mark inline.
1312         (GTM_trycommit_and_finalize_transaction): Split out from ...
1313         (_ITM_commitTransaction): ... here.
1314         (_ITM_commitTransactionEH): New function.
1315         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1316         cxa_unthrown, eh_in_flight; reorder.
1317
1318         * testsuite/libitm.c++/c++.exp: New.
1319         * testsuite/libitm.c++/eh-1.C: New.
1320
1321         * aatree.c (aa_free): Remove REGPARM.
1322         * aatree.h: Remove all REGPARM.
1323
1324 2009-07-18  Richard Henderson  <rth@redhat.com>
1325
1326         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1327         * Makefile.am (libitm_la_SOURCES): Add them.
1328         * Makefile.in: Rebuild.
1329         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1330         (GTM_trycommit_transaction): Likewise.
1331         * libitm.h: Include aatree.h
1332         (struct gtm_alloc_action): New.
1333         (struct gtm_transaction): Add alloc_actions.
1334         (GTM_record_allocation, GTM_forget_allocation): Declare.
1335         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1336         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1337         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1338         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1339         _ZGTtdaPvRKSt9nothrow_t): Export.
1340
1341 2009-07-18  Richard Henderson  <rth@redhat.com>
1342
1343         * target_tls.h: Move ...
1344         * config/posix/target_tls.h: ... here.
1345
1346 2009-07-07  Richard Henderson  <rth@redhat.com>
1347
1348         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1349
1350 2009-07-07  Richard Henderson  <rth@redhat.com>
1351
1352         * Update to GPL3.
1353
1354 2009-07-07  Richard Henderson  <rth@redhat.com>
1355
1356         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1357         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1358
1359         * configure.tgt: Don't use -ftls-model for x86 linux.
1360         * libitm.h: Include target.h after standard includes.
1361         (_gtm_thr): Rename from gtm_thr.
1362         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1363         (gtm_disp, set_gtm_disp): New.
1364         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1365         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1366         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1367
1368 2009-07-07  Richard Henderson  <rth@redhat.com>
1369
1370         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1371
1372 2009-07-06  Richard Henderson  <rth@redhat.com>
1373
1374         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1375         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1376         (_ITM_beginTransaction): Take variadic arguments.
1377         (_ITM_registerThrownObject): Declare.
1378         * beginend.c, serial.c: Update.
1379         * libitm.map: Add _ITM_registerThrownObject.
1380
1381 2009-01-28  Richard Henderson  <rth@redhat.com>
1382
1383         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1384         * Makefile.in: Rebuild.
1385         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1386         (GTM_restart_transaction): Fix uninstrumented code check.
1387         * retry.c (GTM_decide_retry_strategy): Add serial check.
1388         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1389         automatically go irrevokable when in serial mode.
1390         * clone.c: New file.
1391         * libitm.h, libitm.map: Update.
1392
1393 2009-01-27  Richard Henderson  <rth@redhat.com>
1394
1395         * Makefile.am (LTCCASCOMPILE): Define.
1396         (libitm_la_SOURCES): Add methid-wbetl.c.
1397         * testsuite/Makefile.am: New
1398         * configure.ac: Add testsuite/Makefile.
1399         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1400         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1401         (_ITM_abortTransaction): Finalize implementation method; pass
1402         transaction properties to longjmp.
1403         (GTM_restart_transaction): Split out from ...
1404         (_ITM_commitTransaction): ... here.
1405         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1406         Move to config/x86/target.h.
1407         * config/linux/alpha/futex_bits.h: New.
1408         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1409         * config/x86/target.h: Disable target types for 32-bit.
1410         * config/alpha/sjlj.S, config/alpha/target.h: New.
1411         * libitm.h (struct gtm_dispatch): Add init, fini.
1412         (enum restart_reason): New.
1413         (struct gtm_transaction): Add method and restarts.
1414         * retry.c (GTM_decide_retry_strategy): Implement.
1415         * serial.c (serial_init, serial_fini): New.
1416         (GTM_serialmode): Finialize outgoing method.
1417         * method-wbetl.c: New.
1418
1419 2008-12-09  Richard Henderson  <rth@redhat.com>
1420
1421         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1422         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1423         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1424         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1425         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1426         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1427         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1428         * serial.c (serial_R##T, serial_W##T): Likewise.
1429
1430 2008-11-21  Richard Henderson  <rth@redhat.com>
1431
1432         * Initial commit.