libitm/ChangeLog

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