libitm/ChangeLog

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