libitm/ChangeLog

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