libitm/ChangeLog

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