libitm/ChangeLog

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