libitm/ChangeLog

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