libitm/ChangeLog

   1 2013-06-20  Torvald Riegel  <triegel@redhat.com>
   2
   3         PR libitm/57643
   4         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
   5         the HTM fastpath.
   6
   7 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
   8
   9         PR bootstrap/56714
  10         * local_atomic (__always_inline): Always define our version.
  11         (__calculate_memory_order): Mark inline.
  12         (atomic_thread_fence): Ditto.
  13         (atomic_signal_fence): Ditto.
  14         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
  15         (atomic_bool::atomic_flag_clear_explicit): Ditto.
  16         (atomic_bool::atomic_flag_test_and_set): Ditto.
  17         (atomic_bool::atomic_flag_clear): Ditto.
  18
  19 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  20
  21         * config/s390/sjlj.S: New file.
  22         * config/s390/target.h: New file.
  23         * configure.tgt: Set options for S/390.
  24
  25 2013-03-23  Andi Kleen  <ak@linux.intel.com>
  26
  27         * local_atomic (__always_inline): Add.
  28         (__calculate_memory_order, atomic_thread_fence,
  29          atomic_signal_fence, test_and_set, clear, store, load,
  30          exchange, compare_exchange_weak, compare_exchange_strong,
  31          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
  32         Add __always_inline to force inlining.
  33
  34 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  35             Jack Howarth  <howarth@bromo.med.uc.edu>
  36             Patrick Marlier  <patrick.marlier@gmail.com>
  37
  38         PR libitm/55693
  39         * alloc_cpp.cc: Enable function declarations on darwin.
  40         * eh_cpp.cc: Likewise.
  41
  42 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
  43
  44         Update copyright years.
  45
  46 2012-11-09  Torvald Riegel  <triegel@redhat.com>
  47
  48         * beginend.cc (htm_fastpath): New.
  49         (gtm_thread::begin_transaction, _ITM_commitTransaction,
  50         _ITM_commitTransactionEH): Add HTM fastpath handling.
  51         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
  52         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
  53         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
  54         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
  55         * configure.tgt: Add -mrtm to XCFLAGS.
  56         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
  57         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
  58         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
  59         * retry.cc (parse_default_method): Add HTM method parsing.
  60         (gtm_thread::number_of_threads_changed): Use HTM by default if
  61         available.
  62
  63 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
  64
  65         * configure: Regenerate.
  66
  67 2012-10-31  Richard Henderson  <rth@redhat.com>
  68
  69         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
  70         * configure.ac: Use it.
  71         * config.h.in, configure: Rebuild.
  72         * testsuite/Makefile.in: Rebuild.
  73
  74 2012-10-24  Torvald Riegel  <triegel@redhat.com>
  75
  76         * libitm.texi: Clarify ABI requirements for data-logging functions.
  77
  78 2012-10-24  Torvald Riegel  <triegel@redhat.com>
  79
  80         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
  81         it requires serial mode instead of assuming that for certain
  82         dispatchs.
  83         * dispatch.h (abi_dispatch::requires_serial): New.
  84         (abi_dispatch::abi_dispatch): Adapt.
  85         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
  86         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
  87         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
  88         serial_dispatch::serial_dispatch,
  89         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
  90
  91 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
  92
  93         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
  94         and ia32 declarations some more.
  95         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
  96
  97 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
  98
  99         PR other/43620
 100         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 101         * configure: Regenerate.
 102         * Makefile.in: Regenerate.
 103
 104 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 105
 106         * configure: Regenerated.
 107
 108 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 109
 110         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 111
 112 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 113
 114         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 115
 116 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 117
 118         * configure: Regenerated.
 119
 120 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 121
 122         PR libitm/52854
 123         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 124         for x86-64.
 125
 126 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 127
 128         * configure: Regenerate.
 129
 130 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 131
 132         PR bootstrap/52812
 133         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 134
 135 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 136
 137         * testsuite/lib/libitm.exp: load fortran-modules.exp
 138
 139 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 140
 141         * configure.tgt (*-*-irix6*): Remove.
 142
 143 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 144
 145         PR libitm/52526
 146         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 147         wake-up.
 148
 149 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 150
 151         * configure.tgt (*-*-osf*): Remove.
 152         * configure: Regenerate.
 153
 154 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 155
 156         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 157         memtransfer/memset if size isn't larger than zero.
 158
 159 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 160
 161         * libitm.texi: Link to specification and add a usage example.
 162
 163 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 164
 165         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 166         default dispatch for more than 1 thread to ml_wt.
 167
 168 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 169
 170         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 171
 172 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 173
 174         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 175
 176 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 177
 178         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 179         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 180         (gl_wt_dispatch.rollback): Same.
 181
 182 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 183
 184         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 185
 186 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 187
 188         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 189         for RfW src.  Optimize number of calls to gtm_thr.
 190
 191 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 192
 193         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 194         acquisition to ...
 195         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 196         (default_dispatch): Make atomic.
 197         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 198         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 199         use decide_begin_dispatch() if default_dispatch might have changed.
 200         (GTM::gtm_thread::number_of_threads_changed): Initialize
 201         default_dispatch here.
 202
 203 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 204             Patrick Marlier  <patrick.marlier@gmail.com>
 205
 206         PR libitm/52220
 207         * alloc_cpp.cc: No dummy definitions for darwin.
 208         * eh_cpp.cc: Likewise.
 209
 210 2012-02-14  Richard Henderson  <rth@redhat.com>
 211
 212         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 213
 214 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 215
 216         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 217
 218 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 219
 220         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 221         (GTM::gtm_thread): Add read and write logs.
 222         (GTM::dispatch_ml_wt): Declare.
 223         * retry.cc (parse_default_method): Support ml_wt.
 224         * method-ml.cc: New file.
 225         * Makefile.am: Add method-ml.cc.
 226         * Makefile.in: Regenerate.
 227
 228 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 229
 230         * dispatch.h (GTM::abi_dispatch::supports): New.
 231         (GTM::method_group::reinit): New.
 232         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 233         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 234         supports the current situation.
 235
 236 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 237
 238         * util.cc (GTM::xcalloc): New.
 239         * common.h (GTM::xcalloc): Declare.
 240
 241 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 242
 243         * config/sparc/target.h (cpu_relax): Read from CC register.
 244         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 245
 246 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 247
 248         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 249
 250 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 251
 252         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 253         * config/sparc/cacheline.h: New file.
 254         * config/sparc/target.h: Likewise.
 255         * config/sparc/sjlj.S: Likewise.
 256         * config/linux/sparc/futex_bits.h: Likewise.
 257
 258 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 259
 260         * configure.ac (link_itm): Fix comment.
 261         * configure: Regenerate.
 262         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 263
 264 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 265
 266         PR libitm/51822
 267         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 268         Correct libgomp references.
 269
 270 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 271
 272         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 273         wake-up.
 274
 275 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 276
 277         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 278         end of structure.
 279         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 280         offset values.  Do not copy return address.  Decrement stack
 281         by 56 bytes only.
 282         (GTM_longjump) [__x86_64__]: Update offset values.
 283
 284 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 285
 286         PR libitm/51830
 287         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 288         the first function argument to %eax.
 289
 290 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 291
 292         * libitm.h (_ITM_getThreadnum): Remove.
 293         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 294
 295 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 296
 297         * clearcap.map: New file.
 298         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 299         * configure.ac: Call it.
 300         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 301         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 302         * configure: Regenerate.
 303         * Makefile.in: Regenerate.
 304         * testsuite/Makefile.in: Regenerate.
 305
 306 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 307
 308         PR libitm/51173
 309         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 310         include, exclude options.
 311
 312 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 313
 314         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 315         rolling back.
 316         * containers.h (GTM::vector::set_size): New.
 317
 318 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 319
 320         PR libitm/51855
 321         * config/generic/tls.h (GTM::mask_stack_top): New.
 322         (GTM::mask_stack_bottom): Declare.
 323         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 324         * local.cc (gtm_undolog::rollback): Filter out any updates that
 325         overlap the libitm stack.  Add current transaction as parameter.
 326         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 327         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 328         * testsuite/libitm.c/stackundo.c: New test.
 329
 330 2012-01-10  Richard Henderson  <rth@redhat.com>
 331
 332         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 333         * eh_cpp.cc (_Unwind_DeleteException): Define for
 334         !HAVE_ELF_STYLE_WEAKREF.
 335
 336 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 337
 338         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 339         (GTM::gtm_thread::drop_references_undolog): Remove.
 340         (GTM::gtm_thread::commit_undolog,
 341         GTM::gtm_thread::rollback_undolog): Move to ...
 342         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 343         (GTM::gtm_undolog_entry): Remove.
 344         (GTM::gtm_thread): Adapt.
 345         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 346         (GTM::gtm_thread::trycommit): Adapt.
 347         * method-serial.cc (serial_dispatch::log): Adapt.
 348         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 349         (gl_wt_dispatch::store): Fix likely/unlikely.
 350         * containers.h (GTM::vector::resize): Add additional_capacity
 351         parameter and handle it.
 352         (GTM::vector::resize_noinline): New/adapt.
 353         (GTM::vector::push): New.
 354
 355 2012-01-06  Richard Henderson  <rth@redhat.com>
 356
 357         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 358         * config/linux/powerpc/futex_bits.h: New file.
 359         * config/powerpc/cacheline.h: New file.
 360         * config/powerpc/sjlj.S: New file.
 361         * config/powerpc/target.h: New file.
 362         * config/generic/asmcfi.h (cfi_offset): New.
 363         (cfi_restore, cfi_undefined): New.
 364
 365 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 366
 367         PR other/51171
 368         * testsuite/libitm.c/reentrant.c: Remove xfail.
 369         (thread): Pass x to pure().
 370         From Patrik Marlier <patrick.marlier@gmail.com>.
 371
 372 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 373
 374         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 375         privatization safety if already in serial mode.
 376
 377 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 378
 379         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 380         finish_serial_upgrade parameter.
 381         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 382         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 383         Don't unset reader flag.
 384         (GTM::gtm_rwlock::write_upgrade_finish): New.
 385         * config/posix/rwlock.cc: Same.
 386         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 387         Declare.
 388         * config/posix/rwlock.h: Same.
 389         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 390         flag after commit or after rollback when restarting.
 391
 392 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 393
 394         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 395         (GTM::gtm_thread::try_commit): Changed memory order.
 396         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 397         as parameter.
 398         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 399         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 400         * config/linux/futex_bits.h (sys_futex0): Same.
 401         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 402         * config/linux/futex.h (futex_wait, futex_wake): Same.
 403         * config/linux/rwlock.h (gtm_rwlock::writers,
 404         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 405         ints.
 406         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 407         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 408         gtm_rwlock::write_unlock): Fix memory orders and fences.
 409         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 410         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 411         gtm_rwlock::write_unlock): Same.
 412         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 413         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 414         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 415         Add comments.
 416         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 417         gl_wt_dispatch::load, gl_wt_dispatch::store,
 418         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 419         orders and fences.  Add comments.
 420
 421 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 422
 423         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 424         * Makefile.in: Regenerated.
 425
 426 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 427
 428         * configure.tgt: Add sh* case.
 429         * config/sh/target.h: New file.
 430         * config/sh/sjlj.S: New file.
 431         * config/linux/sh/futex_bits.h: New file.
 432
 433 2011-12-14  Richard Henderson  <rth@redhat.com>
 434
 435         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 436         * config/arm/sjlj.S, config/arm/target.h: New files.
 437         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 438         (cfi_rel_offset): New.
 439         * config/linux/futex_bits.h: New file.
 440         * config/linux/futex.cc: Include futex_bits.h here...
 441         * config/linux/futex.h: ... not here.
 442         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 443         * configure.ac (ARCH_AM): New conditional.
 444         * Makefile.in, configure: Rebuild.
 445         * configure.tgt: Handle ARM.
 446
 447 2011-12-13  Richard Henderson  <rth@redhat.com>
 448
 449         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 450         signed/unsigned comparison werror.
 451
 452         * local_atomic: New file.
 453         * libitm_i.h: Include it.
 454         (gtm_thread::shared_state): Use atomic template.
 455         * beginend.cc (GTM::gtm_clock): Use atomic template.
 456         (global_tid): Use atomic template if 64-bit atomics available.
 457         (gtm_thread::gtm_thread): Update shared_state access.
 458         (gtm_thread::trycommit): Likewise.
 459         (choose_code_path): Update global_tid access.
 460         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 461         * stmlock.h (GTM::gtm_clock): Use atomic template.
 462         (gtm_get_clock, gtm_inc_clock): Update accesses.
 463         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 464         redundant __sync_synchronize after atomic shared_state access.
 465         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 466         (gtm_rwlock::write_lock_generic): Likewise.
 467         (gtm_rwlock::read_unlock): Likewise.
 468         * config/alpha/target.h (atomic_read_barrier): Remove.
 469         (atomic_write_barrier): Remove.
 470         * config/x86/target.h (atomic_read_barrier): Remove.
 471         (atomic_write_barrier): Remove.
 472
 473 2011-11-30  Richard Henderson  <rth@redhat.com>
 474
 475         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 476         * beginend.c (_ITM_abortTransaction): Update to match.
 477         (GTM::gtm_thread::restart): Likewise.
 478         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 479         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 480
 481 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 482
 483         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 484         * Makefile.in: Regenerate.
 485
 486 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 487
 488         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 489         * alloc_cpp.cc: Generate dummy functions if we don't
 490         HAVE_ELF_STYLE_WEAKREF.
 491         * eh_cpp.cc: Likewise.
 492         * configure: Regenerate.
 493         * aclocal.m4:  Likewise.
 494         * config.h.in: Likewise.
 495         * Makefile.in: Likewise.
 496         * testsuite/Makefile.in: Likewise.
 497
 498 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 499
 500         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 501         __USER_LABEL_PREFIX__ for targets that use it.
 502         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 503         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 504         in portability to non-elf targets.
 505         (GTM_longjmp): Likewise.
 506         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 507         where required.
 508
 509 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 510
 511         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 512         * testsuite/libitm.c/memset-1.c: Likewise.
 513
 514 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 515
 516         * configure: Regenerate.
 517
 518 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 519
 520         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 521         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 522         * Makefile.am: Handle sun style versioning.
 523         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 524         * configure: Regenerate.
 525         * Makefile.in: Regenerate.
 526
 527 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 528
 529         * config/generic/asmcfi.h: Fix comment.
 530         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 531         sequence without .hidden support, error for non-ELF targets.
 532         (GTM_longjmp) [__ELF__]: Only use .hidden if
 533         HAVE_ATTRIBUTE_VISIBILITY.
 534
 535 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 536
 537         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 538         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 539         Dummy functions.
 540         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 541         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 542
 543 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 544
 545         PR bootstrap/51098
 546         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 547         * configure: Regenerate.
 548
 549 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 550
 551         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 552
 553 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 554
 555         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 556         .hidden.
 557         (.note.GNU-stack): Only use if __linux__.
 558         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 559         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 560         * testsuite/libitm.c/reentrant.c: Likewise.
 561         * testsuite/libitm.c/simple-2.c: Likewise.
 562         * testsuite/libitm.c/txrelease.c: Likewise.
 563         * testsuite/libitm.c++/static_ctor.C: Likewise.
 564
 565 2011-11-10  Richard Henderson  <rth@redhat.com>
 566
 567         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 568         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 569         * configure.ac (ARCH_X86_AVX): New conditional.
 570         * Makefile.in, configure: Rebuild.
 571
 572 2011-11-09  Richard Henderson  <rth@redhat.com>
 573
 574         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 575         * configure.ac: Use it.
 576         * config.h.in, configure: Rebuild.
 577         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 578
 579 2011-11-09  Richard Henderson  <rth@redhat.com>
 580
 581         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 582         * config/alpha/unaligned.h: Remove file.
 583         * config/generic/unaligned.h: Remove file.
 584         * config/x86/unaligned.h: Remove file.
 585         * config/generic/cachepage.h: Remove file.
 586         * config/posix/cachepage.cc: Remove file.
 587         * config/generic/cacheline.cc: Remove file.
 588         * config/x86/cacheline.cc: Remove file.
 589         * config/generic/cacheline.h (gtm_cacheline): Remove the
 590         store_mask, copy_mask, copy_mask_wb methods.
 591         * config/x86/cacheline.h: Likewise.
 592         * config/alpha/cacheline.h: Fall back to generic after setting size.
 593         * config/generic/tls.cc (gtm_mask_stack): Remove.
 594         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 595         (GTM_vpalignr_table): Remove.
 596         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 597         (GTM_pshift_table): Remove.
 598         * config/libitm_i.h: Don't include cachepage.h.
 599         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 600         * Makefile.in, testsuite/Makefile.in: Rebuild.
 601
 602 2011-11-09  Richard Henderson  <rth@redhat.com>
 603
 604         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 605         to emit branch prediction hint.
 606
 607         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 608         Protect .note.GNU-stack with __linux__.
 609
 610         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 611         * configure, aclocal.m4, config.h.in: Rebuild.
 612         * config/generic/asmcfi.h: New file.
 613         * config/x86/sjlj.S: Use it.
 614
 615 2011-11-08  Richard Henderson  <rth@redhat.com>
 616
 617         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 618
 619 2011-11-08  Richard Henderson  <rth@redhat.com>
 620
 621         * configure.tgt: Test correct directory for supported cpus.
 622
 623         * configure.ac: Exit if unsupported.
 624         * configure: Rebuild.
 625         * configure.tgt: Delete boilerplate from libgomp for unsupported
 626         targets.  Set UNSUPPORTED for unsupported targets.
 627
 628 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 629
 630         * configure.tgt: Handle i386 like i[456]86.
 631         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 632         take address.
 633         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 634         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 635
 636 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 637
 638         * method-wbetl.cc: Update copyright notice.
 639         * aatree.cc: Same.
 640         * util.cc: Same.
 641         * libitm.h: Same.
 642         * memset.cc: Same.
 643         * eh_cpp.cc: Same.
 644         * barrier.tpl: Same.
 645         * useraction.cc: Same.
 646         * stmlock.h: Same.
 647         * memcpy.cc: Same.
 648         * common.h: Same.
 649         * config/generic/tls.cc: Same.
 650         * config/generic/cacheline.h: Same.
 651         * config/generic/cachepage.h: Same.
 652         * config/generic/cacheline.cc: Same.
 653         * config/generic/unaligned.h: Same.
 654         * config/x86/cacheline.h: Same.
 655         * config/x86/cacheline.cc: Same.
 656         * config/x86/unaligned.h: Same.
 657         * config/alpha/cacheline.h: Same.
 658         * config/alpha/unaligned.h: Same.
 659         * config/alpha/sjlj.S: Same.
 660         * config/posix/cachepage.cc: Same.
 661         * config/linux/futex.h: Same.
 662         * config/linux/alpha/futex_bits.h: Same.
 663
 664 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 665
 666         * libitm.texi: No cover text and invariant sections.
 667
 668 2011-11-03  Richard Henderson  <rth@redhat.com>
 669
 670         * local_type_traits: New file.
 671         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 672
 673 2011-11-03  Richard Henderson  <rth@redhat.com>
 674
 675         * configure.ac: Don't test for gfortran.
 676         * configure: Rebuild.
 677
 678         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 679         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 680
 681 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 682
 683         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 684         * testsuite/libitm.c/memset-1.c: Same.
 685         * testsuite/libitm.c/c.exp: Same.
 686         * testsuite/lib/libitm-dg.exp: Same.
 687         * testsuite/lib/libitm.exp: Same.
 688         * testsuite/libitm.c++/c++.exp: Same.
 689
 690 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 691
 692         * testsuite/config/default.exp: Update copyright date.
 693         * configure.ac: Add copyright info.
 694         * configure.tgt: Same.
 695
 696 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 697
 698         * testsuite/libitm.c/reentrant.c: XFAIL.
 699         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 700
 701 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 702
 703         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 704         handle aborts.
 705         (_ITM_abortTransaction): Handle aborts of outer transactions.
 706         * libitm_i.h: Same.
 707         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 708         * libitm.texi: Document aborts of outer transactions.
 709         * testsuite/libitm.c/cancel.c: New file.
 710
 711 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 712
 713         * testsuite/*: Change __transaction to __transaction_atomic or
 714         __transaction_relaxed.
 715
 716 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 717
 718         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 719         (gtm_thr): Same.
 720
 721 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 722
 723         * libitm_i.h: Add gl_wt dispatch.
 724         * retry.cc (parse_default_method): Same.
 725         * method-gl.cc: New file.
 726         * Makefile.am: Use method-gl.cc.
 727         * Makefile.in: Rebuild.
 728
 729 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 730
 731         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 732         safety if requested by a TM method.
 733         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 734         privatization safety.
 735         * method-serial.cc: Same.
 736
 737 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 738
 739         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 740         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 741         undolog-related member functions from *_local to *_undolog.
 742         * local.cc (gtm_thread::commit_undolog): Same.
 743         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 744         (GTM::gtm_thread::rollback): Roll back undolog before
 745         dispatch-specific rollback.
 746
 747 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 748
 749         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 750         re-initialization of the current method group.
 751         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 752
 753 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 754
 755         * alloc.cc (commit_allocations_2): Do not free transaction-local
 756         memory when committing a nested transaction.
 757
 758 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 759
 760         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 761         serial-irrevocable dispatch, not serial.
 762
 763 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 764
 765         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 766         declarations.
 767         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 768         * method-serial.cc: Implement begin_or_restart().
 769         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 770         dispatch-specific begin_or_restart().
 771         (GTM::gtm_thread::restart): Same.
 772
 773 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 774
 775         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 776         restarting without switching to serial mode.
 777         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 778         transaction state. Choose closed-nesting alternative if available.
 779         (GTM::gtm_thread::set_default_dispatch): New.
 780         (parse_default_method): New.
 781         (GTM::gtm_thread::number_of_threads_changed): New.
 782         * method-serial.cc (GTM::serial_mg): New method group class.
 783         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 784         fini.
 785         (GTM::serial_dispatch): Same.
 786         (GTM::serialirr_onwrite_dispatch): Same.
 787         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 788         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 789         registered threads.
 790         (GTM::gtm_thread::gtm_thread): Same.
 791         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 792         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 793         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 794         choose dispatch but set state according to dispatch here.
 795         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 796         (GTM::method_group): New class.
 797         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 798         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 799         * libitm.texi: Document TM methods, method groups, method life cycle.
 800         Rename method sets to method groups.
 801
 802 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 803
 804         * config/x86/tls.h: Moved to ...
 805         * config/linux/x86/tls.h: ... here.
 806
 807 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 808
 809         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 810         Add X32 support.
 811         * config/x86/sjlj.S: Same.
 812
 813 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 814
 815         * config/linux/rwlock.h: New file.
 816         * config/linux/rwlock.c: New file.
 817         * configure.ac: Reenable futex support (undo SVN rev 157758).
 818         * Makefile.am: Same.
 819         * configure.tgt: Same.
 820         * config/linux/alpha/futex_bits.h: Same.
 821         * config/linux/futex.h: Same. Return number of woken processes.
 822         * config/linux/futex.cc: Same.
 823         (futex_wait): Remove spinning.
 824         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 825         Use __x86_64__ instead of __LP64__.
 826         * aclocal.m4: Include generic futex checks.
 827         * configure: Rebuild.
 828         * Makefile.in: Rebuild.
 829         * testsuite/Makefile.in: Rebuild.
 830         * beginend.cc: Include pthread.h.
 831         * config/posix/cachepage.cc: Same.
 832
 833 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 834
 835         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 836         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 837         (set_gtm_thr): New.
 838         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 839         (set_gtm_thr): New.
 840         (GTM::gtm_thread::thread_num): Removed.
 841         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 842         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 843         tx-to-thread renaming.
 844         * beginend.cc: Adapted to tx-to-thread renaming.
 845         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 846         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 847         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 848         gtm_transaction to gtm_thread.
 849         (_ITM_getThreadnum): Removed. Not supported anymore.
 850         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 851         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 852         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 853         gtm_tx-to-gtm_thr renaming if necessary.
 854         * eh_cpp.cc: Same.
 855         * local.cc: Same.
 856         * retry.cc: Same.
 857         * clone.cc: Same.
 858         * alloc.cc: Same.
 859         * alloc_c.cc: Same.
 860         * alloc_cpp.cc: Same.
 861         * method-serial.cc: Same.
 862         * config/generic/tls.cc: Same.
 863         * config/posix/rwlock.h (gtm_rwlock): Same.
 864         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 865
 866 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 867
 868         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 869         implementation.
 870         (gtm_rwlock::read_unlock): Same.
 871         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 872         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 873         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 874         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 875         w_upgrade. Replaced by per-transaction flags (in shared_state).
 876         Added c_confirmed_writers.
 877         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 878         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 879         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 880         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 881         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 882         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 883         * libitm.texi: Document locking conventions and implementations in
 884         libitm.
 885
 886 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 887
 888         * libitm_i.h (next_tx): Add list of all threads' transaction.
 889         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 890         transaction with list of transactions and ...
 891         (thread_exit_handler): ... deregister here.
 892         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 893         * config/x86/target.h: Same.
 894
 895 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 896
 897         * testsuite/libitm.c++/static_ctor.C: New file.
 898
 899 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 900
 901         * testsuite/libitm.c/reentrant.c: New file.
 902
 903 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 904
 905         * config/generic/tls.h: Remove the free list for transactions and ...
 906         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 907         (GTM::gtm_transaction::operator delete): ... and release here.
 908         (thread_exit_handler): New. Delete tx when thread terminates.
 909         (thread_exit_init): New.
 910         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 911         * testsuite/libitm.c/txrelease.c: New file.
 912
 913 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 914
 915         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 916         * testsuite/libitm.c/notx.c: New file.
 917
 918 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 919
 920         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 921         * libitm_i.h (local_tid): ... to here.
 922         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 923         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 924
 925 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 926
 927         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 928         serialirr_onwrite_dispatch as new default for now.
 929         * method-serial.cc (serialirr_onwrite_dispatch): New.
 930         (GTM::dispatch_serialirr_onwrite): New.
 931         * libitm_i.h: Same.
 932
 933 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 934
 935         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 936         * query.cc (_ITM_getTransactionId): There is no active transaction if
 937         the current nesting level is zero.
 938
 939 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 940
 941         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 942         rollback.
 943
 944 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 945
 946         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 947         transaction properties from the caller instead of from the
 948         transaction object.
 949         * libitm_i.h: Same.
 950         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 951
 952 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 953
 954         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 955         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 956         * dispatch.h: Same.
 957         * method-serial.cc: Same.
 958         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 959         flat nesting as default, and closed nesting on demand.
 960         (GTM::gtm_transaction::rollback): Same.
 961         (_ITM_abortTransaction): Same.
 962         (GTM::gtm_transaction::restart): Same.
 963         (GTM::gtm_transaction::trycommit): Same.
 964         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 965         (choose_code_path): New.
 966         (GTM::gtm_transaction_cp::save): New.
 967         (GTM::gtm_transaction_cp::commit): New.
 968         * query.cc (_ITM_inTransaction): Support flat nesting.
 969         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 970         (GTM::gtm_transaction): Support flat and closed nesting.
 971         * alloc.cc (commit_allocations_2): New.
 972         (commit_cb_data): New helper struct.
 973         (GTM::gtm_transaction::commit_allocations): Handle nested
 974         commits/rollbacks.
 975         * libitm.texi: Update user action section, add description of nesting.
 976
 977 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 978
 979         * libitm_i.h: Add closed nesting as restart reason.
 980         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 981
 982 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 983
 984         * useraction.cc: Use vector instead of list to store actions.
 985         Also support partial rollbacks for closed nesting.
 986         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 987         * beginend.cc: Same.
 988
 989 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 990
 991         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 992         closed_nesting flags, as well as a closed nesting alternative.
 993         * method-serial.cc: Same.
 994         (serial_dispatch): Renamed to serialirr_dispatch.
 995         (GTM::dispatch_serialirr): Same.
 996         (serial_dispatch_ul): Renamed to serial_dispatch.
 997         (GTM::dispatch_serial): Same.
 998
 999 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1000
1001         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1002
1003 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1004
1005         * aatree.h (aa_tree::remove): New.
1006         (aa_tree::operator new): Add placement new.
1007
1008 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1009
1010         * containers.h: New file.
1011         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1012         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1013         * common.h: ... to here.
1014         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1015         * local.cc: Same.
1016
1017 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1018
1019         * libitm_i.h (STATE_ABORTING): Remove.
1020         * beginend.cc (_ITM_abortTransaction): Same.
1021         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1022         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1023         (_ITM_rollbackTransaction): Remove.
1024         * beginend.cc: Same.
1025         * libitm.map: Same.
1026         * libitm.texi: Document these ABI changes.
1027
1028 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1029
1030         * libitm.texi: New file.
1031         * Makefile.am: Add libitm.texi.
1032         * Makefile.in: Rebuild.
1033
1034 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1035
1036         * libitm_i.h: Move parts to common.h and dispatch.h.
1037         * common.h: New file.
1038         * dispatch.h: New file, new dispatch class.
1039         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1040         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1041         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1042         decision to retry.cc.
1043         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1044         only.
1045         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1046         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1047         logging.
1048         * barrier.cc: Use new barriers definitions.
1049         (abi_dispatch::memmove_overlap_check): New.
1050         * config/x86/x86_sse.cc: Same.
1051         * config/x86/x86_avx.cc: Same.
1052         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1053         memcpy.cc.
1054         * Makefile.in: Rebuild.
1055         * method-readonly.cc: Remove.
1056         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1057         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1058
1059 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1060
1061         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1062         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1063         * testsuite/libitm.c/dropref-2.c: Same.
1064         * testsuite/libitm.c/dropref.c: Same.
1065
1066 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1067
1068         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1069         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1070         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1071         * alloc_c.cc: Same.
1072         * barrier.tpl: Same.
1073         * beginend.c: Same.
1074         * config/generic/tls.h: Same.
1075         * config/x86/tls.h: Same.
1076         * libitm_i.h: Same.
1077         * memcpy.cc: Same.
1078         * memset.cc: Same.
1079         * method-readonly.cc: Same.
1080         * method-serial.cc: Same.
1081         * method-wbetl.cc: Same.
1082         * retry.cc: Same.
1083
1084 2011-03-03  Richard Henderson  <rth@redhat.com>
1085
1086         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1087         From Patrik Marlier <patrick.marlier@unine.ch>.
1088
1089 2011-02-03  Richard Henderson  <rth@redhat.com>
1090
1091         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1092         * configure.ac: Use it.
1093         * configure, config.h.in: Rebuild.
1094         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1095         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1096         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1097         * libitm.map: Use wildcards to match size_t mangling.
1098
1099 2010-12-14  Richard Henderson  <rth@redhat.com>
1100
1101         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1102         blocks of TIDs per thread.
1103         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1104         (setup_gtm_thr): Return the thread structure.
1105         * config/x86/tls.h (setup_gtm_thr): Likewise.
1106
1107 2010-12-14  Richard Henderson  <rth@redhat.com>
1108
1109         * clone.cc (table_lock): Remove.
1110         (find_clone): Don't take it.
1111         (ExcludeTransaction): New helper class.
1112         (_ITM_registerTMCloneTable): Use it.
1113         (_ITM_deregisterTMCloneTable): Likewise.
1114
1115 2010-12-14  Richard Henderson  <rth@redhat.com>
1116
1117         * config/x86/tls.h: New file.
1118
1119 2010-07-15  Richard Henderson  <rth@redhat.com>
1120
1121         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1122         * Makefile.in: Rebuild.
1123
1124 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1125
1126         * method-wbetl.cc (trydropreference): Fix source line.
1127
1128 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1129
1130         * libitm.h: Add comment.
1131         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1132
1133 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1134
1135         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1136         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1137         available, use pthread mutexes.
1138         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1139         * config.h.in: Regenerate.
1140         * configure: Regenerate.
1141
1142 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1143
1144         * libitm.h (ITM_PURE): Define.
1145         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1146
1147 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1148
1149         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1150         (validate): Add comment.
1151         (trydropreference): New.
1152         * method-readonly.cc (class readonly_dispatch): Add
1153         trydropreference.
1154         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1155         Call trydropreference().
1156         * libitm.h (_ITM_dropReferences): Remove const attribute.
1157         * method-serial.cc (class serial_dispatch): Add trydropreference.
1158         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1159
1160 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1161
1162         * memcpy.cc (do_memcpy): Comment.
1163
1164 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1165
1166         * barrier.tpl: Add comments throughout.
1167
1168 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1169
1170         * method-wbetl.cc (struct w_entry): Add comments.
1171         (trycommit): Same.
1172         (rollback): Same.
1173
1174 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1175
1176         * alloc_c.cc (_ITM_dropReferences): New.
1177         * libitm.map (_ITM_dropReferences): Add.
1178         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1179         * libitm_i.h (struct gtm_transaction): Declare
1180         drop_references_allocations and drop_references_local.
1181         * local.cc (rollback_local): Ignore memory when applicable.
1182         (drop_references_local): New.
1183
1184 2010-06-23  Richard Henderson  <rth@redhat.com>
1185
1186         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1187         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1188         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1189         * config/alpha/target.h: Likewise.
1190         * config/generic/tls.cc (gtm_mask_stack): Use it.
1191
1192 2010-06-23  Richard Henderson  <rth@redhat.com>
1193
1194         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1195         a mutex instead of trying a lock-free compare-and-swap on the list.
1196         (gtm_cacheline_page::operator delete): Likewise.
1197
1198 2010-06-16  Richard Henderson  <rth@redhat.com>
1199
1200         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1201         that overlap the libitm stack.
1202         * barrier.tpl: Mark incoming stack.
1203         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1204         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1205         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1206         * memcpy.cc, memset.cc: Likewise.
1207         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1208         * config/generic/tls.h (gtm_thread): Add stack_top member.
1209         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1210         * libitm_i.h (gtm_mask_stack): Declare.
1211         * config/generic/tls.cc: New file.
1212         * Makefile.am (libitm_la_SOURCES): Add it.
1213         (AM_CXXFLAGS): Turn off exceptions.
1214         * Makefile.in: Rebuild.
1215
1216 2010-06-16  Richard Henderson  <rth@redhat.com>
1217
1218         * alloc.cc (struct gtm_alloc_action): Move definition ...
1219         * libitm_i.h: ... here.
1220         (class gtm_transaction): Declare new and delete.
1221         * beginend.cc (alloc_tx): Reformulate as operator new.
1222         (free_tx): Reformulate as operator delete.
1223         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1224
1225 2010-06-11  Richard Henderson  <rth@redhat.com>
1226
1227         * clone.cc (clone_entry_compare): Fix typo.
1228         From Patrik Marlier <patrick.marlier@unine.ch>.
1229
1230 2010-05-13  Richard Henderson  <rth@redhat.com>
1231
1232         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1233         in extern "C".
1234
1235 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1236
1237         * libitm_i.h (struct gtm_transaction): Remove
1238         get_allocation_size.
1239         (record_allocation): Remove size parameter.
1240         * libitm.map (_ITM_realloc): Remove.
1241         * alloc_c.cc (_ITM_realloc): Remove.
1242         (_ITM_malloc): Remove size argument to record_allocation.
1243         (_ITM_calloc): Same.
1244         * alloc_cpp.cc (_ZGTtnwm): Same.
1245         (_ZGTtnwmRKSt9nothrow_t): Same.
1246         (_ZGTtnam): Same.
1247         (_ZGTtnamRKSt9nothrow_t): Same.
1248         * alloc.cc (struct gtm_alloc_action): Remove size.
1249         (get_allocation_size): Remove.
1250         (commit_allocations): Add comment.
1251         (record_allocation): Remove size parameter.
1252         (forget_allocation): Remove set of size.
1253
1254 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1255
1256         * Makefile.am (abi_version): New.
1257         (AM_CXXFLAGS): Pass abi_version.
1258         * Makefile.in: Regenerate.
1259         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1260
1261 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1262
1263         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1264         _ITM_getTMCloneOrIrrevokable.
1265         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1266         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1267
1268 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1269
1270         * configure.ac: Remove Linux futex support.
1271         * configure.tgt (config_path): Same.
1272         * Makefile.am: Same.
1273         * config/linux: Remove entire directory.
1274         * configure: Rebuild.
1275         * Makefile.in: Rebuild.
1276         * testsuite/Makefile.in: Rebuild.
1277
1278 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1279
1280         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1281         switching to serial mode.
1282         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1283
1284 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1285
1286         * configure.tgt: Add emacs -*- tags.
1287         * barrier.tpl: Same.
1288
1289 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1290
1291         * Makefile.am: Rename serial.cc to method-serial.cc.
1292         * Makefile.in: Regenerate with automake 1.11.1.
1293         * testsuite/Makefile.in: Same.
1294         * aclocal.m4: Regenerate with aclocal 1.11.1.
1295         * method-serial.cc: Rename from serial.cc.
1296         * libitm_i.h (struct gtm_transaction): Update comment on
1297         serialirr_mode.
1298
1299 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1300
1301         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1302         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1303
1304 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1305
1306         * configure: Rebuild.
1307
1308 2009-11-12  Richard Henderson  <rth@redhat.com>
1309
1310         * Rewrite everything in C++.
1311
1312 2009-11-03  Richard Henderson  <rth@redhat.com>
1313
1314         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1315         * Makefile.am (libitm_la_SOURCES): Add them.
1316         * configure.ac (ARCH_X86): New conditional.
1317         * Makefile.in, configure: Rebuild.
1318         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1319         Move futex setup into "other system configury" case.
1320         * local.c (rollback_local): Merge into ...
1321         (GTM_rollback_local): ... here.
1322         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1323         (_ITM_LB): Define as an alias to GTM_LB.
1324
1325 2009-11-03  Richard Henderson  <rth@redhat.com>
1326
1327         * method-readonly.c: New file.
1328         * Makefile.am (libitm_la_SOURCES): Add it.
1329         * Makefile.in: Rebuild.
1330         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1331         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1332         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1333         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1334         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1335         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1336         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1337         gtm_get_clock, gtm_inc_clock): New.
1338         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1339         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1340         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1341         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1342         replace uses with new libitm_i.h symbols.
1343         (dispatch_wbetl): Rename from wbetl_dispatch.
1344         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1345         away from dispatch_readonly; abort if the beginTransaction call
1346         asserted that the transaction was readonly.
1347
1348 2009-11-03  Richard Henderson  <rth@redhat.com>
1349
1350         * memset.c: New file.
1351         * Makefile.am (libitm_la_SOURCES): Add it.
1352         * Makefile.in: Rebuild.
1353         * testsuite/libitm.c/memset-1.c: New.
1354
1355 2009-11-03  Richard Henderson  <rth@redhat.com>
1356
1357         * dispatch.c: Remove file.
1358         * useraction.c (struct gtm_user_action): Move from libitm.h.
1359         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1360         (serial_memset, serial_memmove, serial_memcpy): Remove.
1361         (serial_W*, serial_R*): Remove.
1362         (serial_dispatch): Update to match.
1363         * configure.ac: Move Werror down below configure checks.  Don't
1364         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1365         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1366         Use GCC_AC_FUNC_MMAP_BLACKLIST
1367         * libitm.h: Split out all internal items to...
1368         * libitm_i.h: ... here.  New file.
1369         * copymask.c: New file.
1370         * local.c (struct gtm_local_undo): Move from libitm.h.
1371         (GTM_alloc_local): Rename from alloc_local; export.
1372         * memcpy.c: New file.
1373         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1374         * config/posix/page.c: New file.
1375         * config/posix/target_tls.h: Remove file.
1376         * barrier.c: New file.
1377         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1378         copymask.c, page.c.
1379         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1380         * method-wbetl.c: Rewrite for new cacheline methods.
1381         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1382
1383         * config/alpha/sjlj.S: Fix typo.
1384         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1385         * config/alpha/copymask.c: New file.
1386         * config/alpha/target.h (CACHELINE_SIZE): New.
1387         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1388
1389         * config/x86/target_i.h: Copy functions from x86/target.h.
1390         * config/x86/copymask.c: New file.
1391         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1392         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1393         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1394         * config/x86/target_tls.h: Move contents to target_i.h.
1395
1396         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1397         * testsuite/libitm.c/memcpy-1.c: New.
1398
1399 2009-10-22  Richard Henderson  <rth@redhat.com>
1400
1401         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1402         (AM_CCASFLAGS): New.
1403         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1404         saving/restoring _AC_ARG_VAR_PRECIOUS.
1405         * Makefile.in, aclocal.m4, config.h.in, configure,
1406         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1407
1408 2009-10-22  Richard Henderson  <rth@redhat.com>
1409
1410         * testsuite/*: Update for new compiler syntax.
1411
1412 2009-10-21  Richard Henderson  <rth@redhat.com>
1413
1414         * libitm.h (_ITM_abortReason): Add outerAbort.
1415
1416 2009-08-03  Richard Henderson  <rth@redhat.com>
1417
1418         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1419         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1420         * method-wbetl.c (struct w_entry): Remove mask.
1421         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1422         adjust all callers.
1423
1424 2009-07-22  Richard Henderson  <rth@redhat.com>
1425
1426         * eh_cpp.c: New file.
1427         * Makefile.am (libitm_la_SOURCES): Add it.
1428         * Makefile.in: Rebuild.
1429         * beginend.c (GTM_rollback_transaction): Undo exception state.
1430         (GTM_trycommit_transaction): Mark inline.
1431         (GTM_trycommit_and_finalize_transaction): Split out from ...
1432         (_ITM_commitTransaction): ... here.
1433         (_ITM_commitTransactionEH): New function.
1434         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1435         cxa_unthrown, eh_in_flight; reorder.
1436
1437         * testsuite/libitm.c++/c++.exp: New.
1438         * testsuite/libitm.c++/eh-1.C: New.
1439
1440         * aatree.c (aa_free): Remove REGPARM.
1441         * aatree.h: Remove all REGPARM.
1442
1443 2009-07-18  Richard Henderson  <rth@redhat.com>
1444
1445         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1446         * Makefile.am (libitm_la_SOURCES): Add them.
1447         * Makefile.in: Rebuild.
1448         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1449         (GTM_trycommit_transaction): Likewise.
1450         * libitm.h: Include aatree.h
1451         (struct gtm_alloc_action): New.
1452         (struct gtm_transaction): Add alloc_actions.
1453         (GTM_record_allocation, GTM_forget_allocation): Declare.
1454         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1455         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1456         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1457         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1458         _ZGTtdaPvRKSt9nothrow_t): Export.
1459
1460 2009-07-18  Richard Henderson  <rth@redhat.com>
1461
1462         * target_tls.h: Move ...
1463         * config/posix/target_tls.h: ... here.
1464
1465 2009-07-07  Richard Henderson  <rth@redhat.com>
1466
1467         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1468
1469 2009-07-07  Richard Henderson  <rth@redhat.com>
1470
1471         * Update to GPL3.
1472
1473 2009-07-07  Richard Henderson  <rth@redhat.com>
1474
1475         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1476         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1477
1478         * configure.tgt: Don't use -ftls-model for x86 linux.
1479         * libitm.h: Include target.h after standard includes.
1480         (_gtm_thr): Rename from gtm_thr.
1481         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1482         (gtm_disp, set_gtm_disp): New.
1483         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1484         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1485         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1486
1487 2009-07-07  Richard Henderson  <rth@redhat.com>
1488
1489         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1490
1491 2009-07-06  Richard Henderson  <rth@redhat.com>
1492
1493         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1494         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1495         (_ITM_beginTransaction): Take variadic arguments.
1496         (_ITM_registerThrownObject): Declare.
1497         * beginend.c, serial.c: Update.
1498         * libitm.map: Add _ITM_registerThrownObject.
1499
1500 2009-01-28  Richard Henderson  <rth@redhat.com>
1501
1502         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1503         * Makefile.in: Rebuild.
1504         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1505         (GTM_restart_transaction): Fix uninstrumented code check.
1506         * retry.c (GTM_decide_retry_strategy): Add serial check.
1507         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1508         automatically go irrevokable when in serial mode.
1509         * clone.c: New file.
1510         * libitm.h, libitm.map: Update.
1511
1512 2009-01-27  Richard Henderson  <rth@redhat.com>
1513
1514         * Makefile.am (LTCCASCOMPILE): Define.
1515         (libitm_la_SOURCES): Add methid-wbetl.c.
1516         * testsuite/Makefile.am: New
1517         * configure.ac: Add testsuite/Makefile.
1518         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1519         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1520         (_ITM_abortTransaction): Finalize implementation method; pass
1521         transaction properties to longjmp.
1522         (GTM_restart_transaction): Split out from ...
1523         (_ITM_commitTransaction): ... here.
1524         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1525         Move to config/x86/target.h.
1526         * config/linux/alpha/futex_bits.h: New.
1527         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1528         * config/x86/target.h: Disable target types for 32-bit.
1529         * config/alpha/sjlj.S, config/alpha/target.h: New.
1530         * libitm.h (struct gtm_dispatch): Add init, fini.
1531         (enum restart_reason): New.
1532         (struct gtm_transaction): Add method and restarts.
1533         * retry.c (GTM_decide_retry_strategy): Implement.
1534         * serial.c (serial_init, serial_fini): New.
1535         (GTM_serialmode): Finialize outgoing method.
1536         * method-wbetl.c: New.
1537
1538 2008-12-09  Richard Henderson  <rth@redhat.com>
1539
1540         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1541         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1542         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1543         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1544         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1545         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1546         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1547         * serial.c (serial_R##T, serial_W##T): Likewise.
1548
1549 2008-11-21  Richard Henderson  <rth@redhat.com>
1550
1551         * Initial commit.