libitm/ChangeLog

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