libitm/ChangeLog

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