libitm/ChangeLog

   1 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
   2
   3         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
   4         * configure.ac: Use it.
   5         (AC_CHECK_HEADERS): Check for sys/auxv.h.
   6         (AC_CHECK_FUNCS): Check for getauxval.
   7         * config.h.in, configure: Rebuild.
   8         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
   9         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  10         (USE_HTM_FASTPATH): Define.
  11         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
  12         _HTM_RETRIES) New macros.
  13         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
  14         htm_begin_success, htm_commit, htm_transaction_active): New functions.
  15
  16 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  17
  18         * config/s390/target.h: Include htmintrin.h.
  19         (_HTM_ITM_RETRIES): New macro definition.
  20         (htm_available, htm_init, htm_begin, htm_begin_success)
  21         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  22
  23 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
  24             Cesar Philippidis  <cesar@codesourcery.com>
  25
  26         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
  27         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
  28         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
  29         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
  30
  31 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  32
  33         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  34         (_ITM_getTransactionId): Same.
  35         * config/x86/target.h (htm_transaction_active): New.
  36
  37 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  38
  39         PR libitm/57643
  40         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  41         the HTM fastpath.
  42
  43 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
  44
  45         PR bootstrap/56714
  46         * local_atomic (__always_inline): Always define our version.
  47         (__calculate_memory_order): Mark inline.
  48         (atomic_thread_fence): Ditto.
  49         (atomic_signal_fence): Ditto.
  50         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
  51         (atomic_bool::atomic_flag_clear_explicit): Ditto.
  52         (atomic_bool::atomic_flag_test_and_set): Ditto.
  53         (atomic_bool::atomic_flag_clear): Ditto.
  54
  55 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  56
  57         * config/s390/sjlj.S: New file.
  58         * config/s390/target.h: New file.
  59         * configure.tgt: Set options for S/390.
  60
  61 2013-03-23  Andi Kleen  <ak@linux.intel.com>
  62
  63         * local_atomic (__always_inline): Add.
  64         (__calculate_memory_order, atomic_thread_fence,
  65          atomic_signal_fence, test_and_set, clear, store, load,
  66          exchange, compare_exchange_weak, compare_exchange_strong,
  67          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
  68         Add __always_inline to force inlining.
  69
  70 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  71             Jack Howarth  <howarth@bromo.med.uc.edu>
  72             Patrick Marlier  <patrick.marlier@gmail.com>
  73
  74         PR libitm/55693
  75         * alloc_cpp.cc: Enable function declarations on darwin.
  76         * eh_cpp.cc: Likewise.
  77
  78 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
  79
  80         Update copyright years.
  81
  82 2012-11-09  Torvald Riegel  <triegel@redhat.com>
  83
  84         * beginend.cc (htm_fastpath): New.
  85         (gtm_thread::begin_transaction, _ITM_commitTransaction,
  86         _ITM_commitTransactionEH): Add HTM fastpath handling.
  87         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
  88         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
  89         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
  90         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
  91         * configure.tgt: Add -mrtm to XCFLAGS.
  92         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
  93         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
  94         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
  95         * retry.cc (parse_default_method): Add HTM method parsing.
  96         (gtm_thread::number_of_threads_changed): Use HTM by default if
  97         available.
  98
  99 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 100
 101         * configure: Regenerate.
 102
 103 2012-10-31  Richard Henderson  <rth@redhat.com>
 104
 105         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 106         * configure.ac: Use it.
 107         * config.h.in, configure: Rebuild.
 108         * testsuite/Makefile.in: Rebuild.
 109
 110 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 111
 112         * libitm.texi: Clarify ABI requirements for data-logging functions.
 113
 114 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 115
 116         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 117         it requires serial mode instead of assuming that for certain
 118         dispatchs.
 119         * dispatch.h (abi_dispatch::requires_serial): New.
 120         (abi_dispatch::abi_dispatch): Adapt.
 121         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 122         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 123         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 124         serial_dispatch::serial_dispatch,
 125         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 126
 127 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 128
 129         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 130         and ia32 declarations some more.
 131         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 132
 133 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 134
 135         PR other/43620
 136         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 137         * configure: Regenerate.
 138         * Makefile.in: Regenerate.
 139
 140 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 141
 142         * configure: Regenerated.
 143
 144 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 145
 146         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 147
 148 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 149
 150         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 151
 152 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 153
 154         * configure: Regenerated.
 155
 156 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 157
 158         PR libitm/52854
 159         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 160         for x86-64.
 161
 162 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 163
 164         * configure: Regenerate.
 165
 166 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 167
 168         PR bootstrap/52812
 169         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 170
 171 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 172
 173         * testsuite/lib/libitm.exp: load fortran-modules.exp
 174
 175 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 176
 177         * configure.tgt (*-*-irix6*): Remove.
 178
 179 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 180
 181         PR libitm/52526
 182         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 183         wake-up.
 184
 185 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 186
 187         * configure.tgt (*-*-osf*): Remove.
 188         * configure: Regenerate.
 189
 190 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 191
 192         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 193         memtransfer/memset if size isn't larger than zero.
 194
 195 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 196
 197         * libitm.texi: Link to specification and add a usage example.
 198
 199 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 200
 201         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 202         default dispatch for more than 1 thread to ml_wt.
 203
 204 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 205
 206         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 207
 208 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 209
 210         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 211
 212 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 213
 214         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 215         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 216         (gl_wt_dispatch.rollback): Same.
 217
 218 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 219
 220         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 221
 222 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 223
 224         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 225         for RfW src.  Optimize number of calls to gtm_thr.
 226
 227 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 228
 229         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 230         acquisition to ...
 231         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 232         (default_dispatch): Make atomic.
 233         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 234         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 235         use decide_begin_dispatch() if default_dispatch might have changed.
 236         (GTM::gtm_thread::number_of_threads_changed): Initialize
 237         default_dispatch here.
 238
 239 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 240             Patrick Marlier  <patrick.marlier@gmail.com>
 241
 242         PR libitm/52220
 243         * alloc_cpp.cc: No dummy definitions for darwin.
 244         * eh_cpp.cc: Likewise.
 245
 246 2012-02-14  Richard Henderson  <rth@redhat.com>
 247
 248         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 249
 250 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 251
 252         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 253
 254 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 255
 256         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 257         (GTM::gtm_thread): Add read and write logs.
 258         (GTM::dispatch_ml_wt): Declare.
 259         * retry.cc (parse_default_method): Support ml_wt.
 260         * method-ml.cc: New file.
 261         * Makefile.am: Add method-ml.cc.
 262         * Makefile.in: Regenerate.
 263
 264 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 265
 266         * dispatch.h (GTM::abi_dispatch::supports): New.
 267         (GTM::method_group::reinit): New.
 268         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 269         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 270         supports the current situation.
 271
 272 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 273
 274         * util.cc (GTM::xcalloc): New.
 275         * common.h (GTM::xcalloc): Declare.
 276
 277 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 278
 279         * config/sparc/target.h (cpu_relax): Read from CC register.
 280         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 281
 282 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 283
 284         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 285
 286 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 287
 288         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 289         * config/sparc/cacheline.h: New file.
 290         * config/sparc/target.h: Likewise.
 291         * config/sparc/sjlj.S: Likewise.
 292         * config/linux/sparc/futex_bits.h: Likewise.
 293
 294 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 295
 296         * configure.ac (link_itm): Fix comment.
 297         * configure: Regenerate.
 298         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 299
 300 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 301
 302         PR libitm/51822
 303         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 304         Correct libgomp references.
 305
 306 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 307
 308         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 309         wake-up.
 310
 311 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 312
 313         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 314         end of structure.
 315         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 316         offset values.  Do not copy return address.  Decrement stack
 317         by 56 bytes only.
 318         (GTM_longjump) [__x86_64__]: Update offset values.
 319
 320 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 321
 322         PR libitm/51830
 323         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 324         the first function argument to %eax.
 325
 326 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 327
 328         * libitm.h (_ITM_getThreadnum): Remove.
 329         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 330
 331 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 332
 333         * clearcap.map: New file.
 334         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 335         * configure.ac: Call it.
 336         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 337         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 338         * configure: Regenerate.
 339         * Makefile.in: Regenerate.
 340         * testsuite/Makefile.in: Regenerate.
 341
 342 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 343
 344         PR libitm/51173
 345         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 346         include, exclude options.
 347
 348 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 349
 350         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 351         rolling back.
 352         * containers.h (GTM::vector::set_size): New.
 353
 354 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 355
 356         PR libitm/51855
 357         * config/generic/tls.h (GTM::mask_stack_top): New.
 358         (GTM::mask_stack_bottom): Declare.
 359         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 360         * local.cc (gtm_undolog::rollback): Filter out any updates that
 361         overlap the libitm stack.  Add current transaction as parameter.
 362         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 363         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 364         * testsuite/libitm.c/stackundo.c: New test.
 365
 366 2012-01-10  Richard Henderson  <rth@redhat.com>
 367
 368         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 369         * eh_cpp.cc (_Unwind_DeleteException): Define for
 370         !HAVE_ELF_STYLE_WEAKREF.
 371
 372 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 373
 374         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 375         (GTM::gtm_thread::drop_references_undolog): Remove.
 376         (GTM::gtm_thread::commit_undolog,
 377         GTM::gtm_thread::rollback_undolog): Move to ...
 378         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 379         (GTM::gtm_undolog_entry): Remove.
 380         (GTM::gtm_thread): Adapt.
 381         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 382         (GTM::gtm_thread::trycommit): Adapt.
 383         * method-serial.cc (serial_dispatch::log): Adapt.
 384         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 385         (gl_wt_dispatch::store): Fix likely/unlikely.
 386         * containers.h (GTM::vector::resize): Add additional_capacity
 387         parameter and handle it.
 388         (GTM::vector::resize_noinline): New/adapt.
 389         (GTM::vector::push): New.
 390
 391 2012-01-06  Richard Henderson  <rth@redhat.com>
 392
 393         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 394         * config/linux/powerpc/futex_bits.h: New file.
 395         * config/powerpc/cacheline.h: New file.
 396         * config/powerpc/sjlj.S: New file.
 397         * config/powerpc/target.h: New file.
 398         * config/generic/asmcfi.h (cfi_offset): New.
 399         (cfi_restore, cfi_undefined): New.
 400
 401 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 402
 403         PR other/51171
 404         * testsuite/libitm.c/reentrant.c: Remove xfail.
 405         (thread): Pass x to pure().
 406         From Patrik Marlier <patrick.marlier@gmail.com>.
 407
 408 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 409
 410         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 411         privatization safety if already in serial mode.
 412
 413 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 414
 415         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 416         finish_serial_upgrade parameter.
 417         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 418         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 419         Don't unset reader flag.
 420         (GTM::gtm_rwlock::write_upgrade_finish): New.
 421         * config/posix/rwlock.cc: Same.
 422         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 423         Declare.
 424         * config/posix/rwlock.h: Same.
 425         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 426         flag after commit or after rollback when restarting.
 427
 428 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 429
 430         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 431         (GTM::gtm_thread::try_commit): Changed memory order.
 432         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 433         as parameter.
 434         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 435         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 436         * config/linux/futex_bits.h (sys_futex0): Same.
 437         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 438         * config/linux/futex.h (futex_wait, futex_wake): Same.
 439         * config/linux/rwlock.h (gtm_rwlock::writers,
 440         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 441         ints.
 442         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 443         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 444         gtm_rwlock::write_unlock): Fix memory orders and fences.
 445         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 446         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 447         gtm_rwlock::write_unlock): Same.
 448         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 449         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 450         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 451         Add comments.
 452         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 453         gl_wt_dispatch::load, gl_wt_dispatch::store,
 454         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 455         orders and fences.  Add comments.
 456
 457 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 458
 459         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 460         * Makefile.in: Regenerated.
 461
 462 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 463
 464         * configure.tgt: Add sh* case.
 465         * config/sh/target.h: New file.
 466         * config/sh/sjlj.S: New file.
 467         * config/linux/sh/futex_bits.h: New file.
 468
 469 2011-12-14  Richard Henderson  <rth@redhat.com>
 470
 471         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 472         * config/arm/sjlj.S, config/arm/target.h: New files.
 473         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 474         (cfi_rel_offset): New.
 475         * config/linux/futex_bits.h: New file.
 476         * config/linux/futex.cc: Include futex_bits.h here...
 477         * config/linux/futex.h: ... not here.
 478         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 479         * configure.ac (ARCH_AM): New conditional.
 480         * Makefile.in, configure: Rebuild.
 481         * configure.tgt: Handle ARM.
 482
 483 2011-12-13  Richard Henderson  <rth@redhat.com>
 484
 485         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 486         signed/unsigned comparison werror.
 487
 488         * local_atomic: New file.
 489         * libitm_i.h: Include it.
 490         (gtm_thread::shared_state): Use atomic template.
 491         * beginend.cc (GTM::gtm_clock): Use atomic template.
 492         (global_tid): Use atomic template if 64-bit atomics available.
 493         (gtm_thread::gtm_thread): Update shared_state access.
 494         (gtm_thread::trycommit): Likewise.
 495         (choose_code_path): Update global_tid access.
 496         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 497         * stmlock.h (GTM::gtm_clock): Use atomic template.
 498         (gtm_get_clock, gtm_inc_clock): Update accesses.
 499         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 500         redundant __sync_synchronize after atomic shared_state access.
 501         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 502         (gtm_rwlock::write_lock_generic): Likewise.
 503         (gtm_rwlock::read_unlock): Likewise.
 504         * config/alpha/target.h (atomic_read_barrier): Remove.
 505         (atomic_write_barrier): Remove.
 506         * config/x86/target.h (atomic_read_barrier): Remove.
 507         (atomic_write_barrier): Remove.
 508
 509 2011-11-30  Richard Henderson  <rth@redhat.com>
 510
 511         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 512         * beginend.c (_ITM_abortTransaction): Update to match.
 513         (GTM::gtm_thread::restart): Likewise.
 514         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 515         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 516
 517 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 518
 519         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 520         * Makefile.in: Regenerate.
 521
 522 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 523
 524         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 525         * alloc_cpp.cc: Generate dummy functions if we don't
 526         HAVE_ELF_STYLE_WEAKREF.
 527         * eh_cpp.cc: Likewise.
 528         * configure: Regenerate.
 529         * aclocal.m4:  Likewise.
 530         * config.h.in: Likewise.
 531         * Makefile.in: Likewise.
 532         * testsuite/Makefile.in: Likewise.
 533
 534 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 535
 536         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 537         __USER_LABEL_PREFIX__ for targets that use it.
 538         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 539         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 540         in portability to non-elf targets.
 541         (GTM_longjmp): Likewise.
 542         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 543         where required.
 544
 545 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 546
 547         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 548         * testsuite/libitm.c/memset-1.c: Likewise.
 549
 550 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 551
 552         * configure: Regenerate.
 553
 554 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 555
 556         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 557         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 558         * Makefile.am: Handle sun style versioning.
 559         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 560         * configure: Regenerate.
 561         * Makefile.in: Regenerate.
 562
 563 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 564
 565         * config/generic/asmcfi.h: Fix comment.
 566         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 567         sequence without .hidden support, error for non-ELF targets.
 568         (GTM_longjmp) [__ELF__]: Only use .hidden if
 569         HAVE_ATTRIBUTE_VISIBILITY.
 570
 571 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 572
 573         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 574         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 575         Dummy functions.
 576         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 577         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 578
 579 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 580
 581         PR bootstrap/51098
 582         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 583         * configure: Regenerate.
 584
 585 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 586
 587         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 588
 589 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 590
 591         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 592         .hidden.
 593         (.note.GNU-stack): Only use if __linux__.
 594         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 595         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 596         * testsuite/libitm.c/reentrant.c: Likewise.
 597         * testsuite/libitm.c/simple-2.c: Likewise.
 598         * testsuite/libitm.c/txrelease.c: Likewise.
 599         * testsuite/libitm.c++/static_ctor.C: Likewise.
 600
 601 2011-11-10  Richard Henderson  <rth@redhat.com>
 602
 603         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 604         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 605         * configure.ac (ARCH_X86_AVX): New conditional.
 606         * Makefile.in, configure: Rebuild.
 607
 608 2011-11-09  Richard Henderson  <rth@redhat.com>
 609
 610         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 611         * configure.ac: Use it.
 612         * config.h.in, configure: Rebuild.
 613         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 614
 615 2011-11-09  Richard Henderson  <rth@redhat.com>
 616
 617         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 618         * config/alpha/unaligned.h: Remove file.
 619         * config/generic/unaligned.h: Remove file.
 620         * config/x86/unaligned.h: Remove file.
 621         * config/generic/cachepage.h: Remove file.
 622         * config/posix/cachepage.cc: Remove file.
 623         * config/generic/cacheline.cc: Remove file.
 624         * config/x86/cacheline.cc: Remove file.
 625         * config/generic/cacheline.h (gtm_cacheline): Remove the
 626         store_mask, copy_mask, copy_mask_wb methods.
 627         * config/x86/cacheline.h: Likewise.
 628         * config/alpha/cacheline.h: Fall back to generic after setting size.
 629         * config/generic/tls.cc (gtm_mask_stack): Remove.
 630         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 631         (GTM_vpalignr_table): Remove.
 632         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 633         (GTM_pshift_table): Remove.
 634         * config/libitm_i.h: Don't include cachepage.h.
 635         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 636         * Makefile.in, testsuite/Makefile.in: Rebuild.
 637
 638 2011-11-09  Richard Henderson  <rth@redhat.com>
 639
 640         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 641         to emit branch prediction hint.
 642
 643         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 644         Protect .note.GNU-stack with __linux__.
 645
 646         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 647         * configure, aclocal.m4, config.h.in: Rebuild.
 648         * config/generic/asmcfi.h: New file.
 649         * config/x86/sjlj.S: Use it.
 650
 651 2011-11-08  Richard Henderson  <rth@redhat.com>
 652
 653         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 654
 655 2011-11-08  Richard Henderson  <rth@redhat.com>
 656
 657         * configure.tgt: Test correct directory for supported cpus.
 658
 659         * configure.ac: Exit if unsupported.
 660         * configure: Rebuild.
 661         * configure.tgt: Delete boilerplate from libgomp for unsupported
 662         targets.  Set UNSUPPORTED for unsupported targets.
 663
 664 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 665
 666         * configure.tgt: Handle i386 like i[456]86.
 667         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 668         take address.
 669         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 670         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 671
 672 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 673
 674         * method-wbetl.cc: Update copyright notice.
 675         * aatree.cc: Same.
 676         * util.cc: Same.
 677         * libitm.h: Same.
 678         * memset.cc: Same.
 679         * eh_cpp.cc: Same.
 680         * barrier.tpl: Same.
 681         * useraction.cc: Same.
 682         * stmlock.h: Same.
 683         * memcpy.cc: Same.
 684         * common.h: Same.
 685         * config/generic/tls.cc: Same.
 686         * config/generic/cacheline.h: Same.
 687         * config/generic/cachepage.h: Same.
 688         * config/generic/cacheline.cc: Same.
 689         * config/generic/unaligned.h: Same.
 690         * config/x86/cacheline.h: Same.
 691         * config/x86/cacheline.cc: Same.
 692         * config/x86/unaligned.h: Same.
 693         * config/alpha/cacheline.h: Same.
 694         * config/alpha/unaligned.h: Same.
 695         * config/alpha/sjlj.S: Same.
 696         * config/posix/cachepage.cc: Same.
 697         * config/linux/futex.h: Same.
 698         * config/linux/alpha/futex_bits.h: Same.
 699
 700 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 701
 702         * libitm.texi: No cover text and invariant sections.
 703
 704 2011-11-03  Richard Henderson  <rth@redhat.com>
 705
 706         * local_type_traits: New file.
 707         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 708
 709 2011-11-03  Richard Henderson  <rth@redhat.com>
 710
 711         * configure.ac: Don't test for gfortran.
 712         * configure: Rebuild.
 713
 714         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 715         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 716
 717 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 718
 719         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 720         * testsuite/libitm.c/memset-1.c: Same.
 721         * testsuite/libitm.c/c.exp: Same.
 722         * testsuite/lib/libitm-dg.exp: Same.
 723         * testsuite/lib/libitm.exp: Same.
 724         * testsuite/libitm.c++/c++.exp: Same.
 725
 726 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 727
 728         * testsuite/config/default.exp: Update copyright date.
 729         * configure.ac: Add copyright info.
 730         * configure.tgt: Same.
 731
 732 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 733
 734         * testsuite/libitm.c/reentrant.c: XFAIL.
 735         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 736
 737 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 738
 739         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 740         handle aborts.
 741         (_ITM_abortTransaction): Handle aborts of outer transactions.
 742         * libitm_i.h: Same.
 743         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 744         * libitm.texi: Document aborts of outer transactions.
 745         * testsuite/libitm.c/cancel.c: New file.
 746
 747 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 748
 749         * testsuite/*: Change __transaction to __transaction_atomic or
 750         __transaction_relaxed.
 751
 752 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 753
 754         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 755         (gtm_thr): Same.
 756
 757 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 758
 759         * libitm_i.h: Add gl_wt dispatch.
 760         * retry.cc (parse_default_method): Same.
 761         * method-gl.cc: New file.
 762         * Makefile.am: Use method-gl.cc.
 763         * Makefile.in: Rebuild.
 764
 765 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 766
 767         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 768         safety if requested by a TM method.
 769         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 770         privatization safety.
 771         * method-serial.cc: Same.
 772
 773 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 774
 775         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 776         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 777         undolog-related member functions from *_local to *_undolog.
 778         * local.cc (gtm_thread::commit_undolog): Same.
 779         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 780         (GTM::gtm_thread::rollback): Roll back undolog before
 781         dispatch-specific rollback.
 782
 783 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 784
 785         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 786         re-initialization of the current method group.
 787         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 788
 789 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 790
 791         * alloc.cc (commit_allocations_2): Do not free transaction-local
 792         memory when committing a nested transaction.
 793
 794 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 795
 796         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 797         serial-irrevocable dispatch, not serial.
 798
 799 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 800
 801         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 802         declarations.
 803         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 804         * method-serial.cc: Implement begin_or_restart().
 805         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 806         dispatch-specific begin_or_restart().
 807         (GTM::gtm_thread::restart): Same.
 808
 809 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 810
 811         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 812         restarting without switching to serial mode.
 813         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 814         transaction state. Choose closed-nesting alternative if available.
 815         (GTM::gtm_thread::set_default_dispatch): New.
 816         (parse_default_method): New.
 817         (GTM::gtm_thread::number_of_threads_changed): New.
 818         * method-serial.cc (GTM::serial_mg): New method group class.
 819         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 820         fini.
 821         (GTM::serial_dispatch): Same.
 822         (GTM::serialirr_onwrite_dispatch): Same.
 823         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 824         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 825         registered threads.
 826         (GTM::gtm_thread::gtm_thread): Same.
 827         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 828         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 829         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 830         choose dispatch but set state according to dispatch here.
 831         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 832         (GTM::method_group): New class.
 833         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 834         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 835         * libitm.texi: Document TM methods, method groups, method life cycle.
 836         Rename method sets to method groups.
 837
 838 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 839
 840         * config/x86/tls.h: Moved to ...
 841         * config/linux/x86/tls.h: ... here.
 842
 843 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 844
 845         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 846         Add X32 support.
 847         * config/x86/sjlj.S: Same.
 848
 849 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 850
 851         * config/linux/rwlock.h: New file.
 852         * config/linux/rwlock.c: New file.
 853         * configure.ac: Reenable futex support (undo SVN rev 157758).
 854         * Makefile.am: Same.
 855         * configure.tgt: Same.
 856         * config/linux/alpha/futex_bits.h: Same.
 857         * config/linux/futex.h: Same. Return number of woken processes.
 858         * config/linux/futex.cc: Same.
 859         (futex_wait): Remove spinning.
 860         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 861         Use __x86_64__ instead of __LP64__.
 862         * aclocal.m4: Include generic futex checks.
 863         * configure: Rebuild.
 864         * Makefile.in: Rebuild.
 865         * testsuite/Makefile.in: Rebuild.
 866         * beginend.cc: Include pthread.h.
 867         * config/posix/cachepage.cc: Same.
 868
 869 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 870
 871         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 872         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 873         (set_gtm_thr): New.
 874         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 875         (set_gtm_thr): New.
 876         (GTM::gtm_thread::thread_num): Removed.
 877         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 878         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 879         tx-to-thread renaming.
 880         * beginend.cc: Adapted to tx-to-thread renaming.
 881         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 882         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 883         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 884         gtm_transaction to gtm_thread.
 885         (_ITM_getThreadnum): Removed. Not supported anymore.
 886         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 887         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 888         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 889         gtm_tx-to-gtm_thr renaming if necessary.
 890         * eh_cpp.cc: Same.
 891         * local.cc: Same.
 892         * retry.cc: Same.
 893         * clone.cc: Same.
 894         * alloc.cc: Same.
 895         * alloc_c.cc: Same.
 896         * alloc_cpp.cc: Same.
 897         * method-serial.cc: Same.
 898         * config/generic/tls.cc: Same.
 899         * config/posix/rwlock.h (gtm_rwlock): Same.
 900         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 901
 902 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 903
 904         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 905         implementation.
 906         (gtm_rwlock::read_unlock): Same.
 907         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 908         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 909         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 910         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 911         w_upgrade. Replaced by per-transaction flags (in shared_state).
 912         Added c_confirmed_writers.
 913         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 914         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 915         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 916         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 917         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 918         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 919         * libitm.texi: Document locking conventions and implementations in
 920         libitm.
 921
 922 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 923
 924         * libitm_i.h (next_tx): Add list of all threads' transaction.
 925         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 926         transaction with list of transactions and ...
 927         (thread_exit_handler): ... deregister here.
 928         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 929         * config/x86/target.h: Same.
 930
 931 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 932
 933         * testsuite/libitm.c++/static_ctor.C: New file.
 934
 935 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 936
 937         * testsuite/libitm.c/reentrant.c: New file.
 938
 939 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 940
 941         * config/generic/tls.h: Remove the free list for transactions and ...
 942         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 943         (GTM::gtm_transaction::operator delete): ... and release here.
 944         (thread_exit_handler): New. Delete tx when thread terminates.
 945         (thread_exit_init): New.
 946         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 947         * testsuite/libitm.c/txrelease.c: New file.
 948
 949 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 950
 951         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 952         * testsuite/libitm.c/notx.c: New file.
 953
 954 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 955
 956         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 957         * libitm_i.h (local_tid): ... to here.
 958         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 959         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 960
 961 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 962
 963         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 964         serialirr_onwrite_dispatch as new default for now.
 965         * method-serial.cc (serialirr_onwrite_dispatch): New.
 966         (GTM::dispatch_serialirr_onwrite): New.
 967         * libitm_i.h: Same.
 968
 969 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 970
 971         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 972         * query.cc (_ITM_getTransactionId): There is no active transaction if
 973         the current nesting level is zero.
 974
 975 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 976
 977         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 978         rollback.
 979
 980 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 981
 982         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 983         transaction properties from the caller instead of from the
 984         transaction object.
 985         * libitm_i.h: Same.
 986         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 987
 988 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 989
 990         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 991         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 992         * dispatch.h: Same.
 993         * method-serial.cc: Same.
 994         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 995         flat nesting as default, and closed nesting on demand.
 996         (GTM::gtm_transaction::rollback): Same.
 997         (_ITM_abortTransaction): Same.
 998         (GTM::gtm_transaction::restart): Same.
 999         (GTM::gtm_transaction::trycommit): Same.
1000         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1001         (choose_code_path): New.
1002         (GTM::gtm_transaction_cp::save): New.
1003         (GTM::gtm_transaction_cp::commit): New.
1004         * query.cc (_ITM_inTransaction): Support flat nesting.
1005         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1006         (GTM::gtm_transaction): Support flat and closed nesting.
1007         * alloc.cc (commit_allocations_2): New.
1008         (commit_cb_data): New helper struct.
1009         (GTM::gtm_transaction::commit_allocations): Handle nested
1010         commits/rollbacks.
1011         * libitm.texi: Update user action section, add description of nesting.
1012
1013 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1014
1015         * libitm_i.h: Add closed nesting as restart reason.
1016         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1017
1018 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1019
1020         * useraction.cc: Use vector instead of list to store actions.
1021         Also support partial rollbacks for closed nesting.
1022         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1023         * beginend.cc: Same.
1024
1025 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1026
1027         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1028         closed_nesting flags, as well as a closed nesting alternative.
1029         * method-serial.cc: Same.
1030         (serial_dispatch): Renamed to serialirr_dispatch.
1031         (GTM::dispatch_serialirr): Same.
1032         (serial_dispatch_ul): Renamed to serial_dispatch.
1033         (GTM::dispatch_serial): Same.
1034
1035 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1036
1037         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1038
1039 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1040
1041         * aatree.h (aa_tree::remove): New.
1042         (aa_tree::operator new): Add placement new.
1043
1044 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1045
1046         * containers.h: New file.
1047         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1048         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1049         * common.h: ... to here.
1050         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1051         * local.cc: Same.
1052
1053 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1054
1055         * libitm_i.h (STATE_ABORTING): Remove.
1056         * beginend.cc (_ITM_abortTransaction): Same.
1057         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1058         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1059         (_ITM_rollbackTransaction): Remove.
1060         * beginend.cc: Same.
1061         * libitm.map: Same.
1062         * libitm.texi: Document these ABI changes.
1063
1064 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1065
1066         * libitm.texi: New file.
1067         * Makefile.am: Add libitm.texi.
1068         * Makefile.in: Rebuild.
1069
1070 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1071
1072         * libitm_i.h: Move parts to common.h and dispatch.h.
1073         * common.h: New file.
1074         * dispatch.h: New file, new dispatch class.
1075         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1076         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1077         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1078         decision to retry.cc.
1079         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1080         only.
1081         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1082         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1083         logging.
1084         * barrier.cc: Use new barriers definitions.
1085         (abi_dispatch::memmove_overlap_check): New.
1086         * config/x86/x86_sse.cc: Same.
1087         * config/x86/x86_avx.cc: Same.
1088         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1089         memcpy.cc.
1090         * Makefile.in: Rebuild.
1091         * method-readonly.cc: Remove.
1092         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1093         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1094
1095 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1096
1097         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1098         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1099         * testsuite/libitm.c/dropref-2.c: Same.
1100         * testsuite/libitm.c/dropref.c: Same.
1101
1102 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1103
1104         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1105         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1106         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1107         * alloc_c.cc: Same.
1108         * barrier.tpl: Same.
1109         * beginend.c: Same.
1110         * config/generic/tls.h: Same.
1111         * config/x86/tls.h: Same.
1112         * libitm_i.h: Same.
1113         * memcpy.cc: Same.
1114         * memset.cc: Same.
1115         * method-readonly.cc: Same.
1116         * method-serial.cc: Same.
1117         * method-wbetl.cc: Same.
1118         * retry.cc: Same.
1119
1120 2011-03-03  Richard Henderson  <rth@redhat.com>
1121
1122         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1123         From Patrik Marlier <patrick.marlier@unine.ch>.
1124
1125 2011-02-03  Richard Henderson  <rth@redhat.com>
1126
1127         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1128         * configure.ac: Use it.
1129         * configure, config.h.in: Rebuild.
1130         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1131         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1132         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1133         * libitm.map: Use wildcards to match size_t mangling.
1134
1135 2010-12-14  Richard Henderson  <rth@redhat.com>
1136
1137         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1138         blocks of TIDs per thread.
1139         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1140         (setup_gtm_thr): Return the thread structure.
1141         * config/x86/tls.h (setup_gtm_thr): Likewise.
1142
1143 2010-12-14  Richard Henderson  <rth@redhat.com>
1144
1145         * clone.cc (table_lock): Remove.
1146         (find_clone): Don't take it.
1147         (ExcludeTransaction): New helper class.
1148         (_ITM_registerTMCloneTable): Use it.
1149         (_ITM_deregisterTMCloneTable): Likewise.
1150
1151 2010-12-14  Richard Henderson  <rth@redhat.com>
1152
1153         * config/x86/tls.h: New file.
1154
1155 2010-07-15  Richard Henderson  <rth@redhat.com>
1156
1157         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1158         * Makefile.in: Rebuild.
1159
1160 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1161
1162         * method-wbetl.cc (trydropreference): Fix source line.
1163
1164 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1165
1166         * libitm.h: Add comment.
1167         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1168
1169 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1170
1171         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1172         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1173         available, use pthread mutexes.
1174         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1175         * config.h.in: Regenerate.
1176         * configure: Regenerate.
1177
1178 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1179
1180         * libitm.h (ITM_PURE): Define.
1181         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1182
1183 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1184
1185         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1186         (validate): Add comment.
1187         (trydropreference): New.
1188         * method-readonly.cc (class readonly_dispatch): Add
1189         trydropreference.
1190         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1191         Call trydropreference().
1192         * libitm.h (_ITM_dropReferences): Remove const attribute.
1193         * method-serial.cc (class serial_dispatch): Add trydropreference.
1194         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1195
1196 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1197
1198         * memcpy.cc (do_memcpy): Comment.
1199
1200 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1201
1202         * barrier.tpl: Add comments throughout.
1203
1204 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1205
1206         * method-wbetl.cc (struct w_entry): Add comments.
1207         (trycommit): Same.
1208         (rollback): Same.
1209
1210 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1211
1212         * alloc_c.cc (_ITM_dropReferences): New.
1213         * libitm.map (_ITM_dropReferences): Add.
1214         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1215         * libitm_i.h (struct gtm_transaction): Declare
1216         drop_references_allocations and drop_references_local.
1217         * local.cc (rollback_local): Ignore memory when applicable.
1218         (drop_references_local): New.
1219
1220 2010-06-23  Richard Henderson  <rth@redhat.com>
1221
1222         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1223         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1224         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1225         * config/alpha/target.h: Likewise.
1226         * config/generic/tls.cc (gtm_mask_stack): Use it.
1227
1228 2010-06-23  Richard Henderson  <rth@redhat.com>
1229
1230         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1231         a mutex instead of trying a lock-free compare-and-swap on the list.
1232         (gtm_cacheline_page::operator delete): Likewise.
1233
1234 2010-06-16  Richard Henderson  <rth@redhat.com>
1235
1236         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1237         that overlap the libitm stack.
1238         * barrier.tpl: Mark incoming stack.
1239         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1240         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1241         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1242         * memcpy.cc, memset.cc: Likewise.
1243         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1244         * config/generic/tls.h (gtm_thread): Add stack_top member.
1245         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1246         * libitm_i.h (gtm_mask_stack): Declare.
1247         * config/generic/tls.cc: New file.
1248         * Makefile.am (libitm_la_SOURCES): Add it.
1249         (AM_CXXFLAGS): Turn off exceptions.
1250         * Makefile.in: Rebuild.
1251
1252 2010-06-16  Richard Henderson  <rth@redhat.com>
1253
1254         * alloc.cc (struct gtm_alloc_action): Move definition ...
1255         * libitm_i.h: ... here.
1256         (class gtm_transaction): Declare new and delete.
1257         * beginend.cc (alloc_tx): Reformulate as operator new.
1258         (free_tx): Reformulate as operator delete.
1259         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1260
1261 2010-06-11  Richard Henderson  <rth@redhat.com>
1262
1263         * clone.cc (clone_entry_compare): Fix typo.
1264         From Patrik Marlier <patrick.marlier@unine.ch>.
1265
1266 2010-05-13  Richard Henderson  <rth@redhat.com>
1267
1268         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1269         in extern "C".
1270
1271 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1272
1273         * libitm_i.h (struct gtm_transaction): Remove
1274         get_allocation_size.
1275         (record_allocation): Remove size parameter.
1276         * libitm.map (_ITM_realloc): Remove.
1277         * alloc_c.cc (_ITM_realloc): Remove.
1278         (_ITM_malloc): Remove size argument to record_allocation.
1279         (_ITM_calloc): Same.
1280         * alloc_cpp.cc (_ZGTtnwm): Same.
1281         (_ZGTtnwmRKSt9nothrow_t): Same.
1282         (_ZGTtnam): Same.
1283         (_ZGTtnamRKSt9nothrow_t): Same.
1284         * alloc.cc (struct gtm_alloc_action): Remove size.
1285         (get_allocation_size): Remove.
1286         (commit_allocations): Add comment.
1287         (record_allocation): Remove size parameter.
1288         (forget_allocation): Remove set of size.
1289
1290 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1291
1292         * Makefile.am (abi_version): New.
1293         (AM_CXXFLAGS): Pass abi_version.
1294         * Makefile.in: Regenerate.
1295         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1296
1297 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1298
1299         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1300         _ITM_getTMCloneOrIrrevokable.
1301         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1302         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1303
1304 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1305
1306         * configure.ac: Remove Linux futex support.
1307         * configure.tgt (config_path): Same.
1308         * Makefile.am: Same.
1309         * config/linux: Remove entire directory.
1310         * configure: Rebuild.
1311         * Makefile.in: Rebuild.
1312         * testsuite/Makefile.in: Rebuild.
1313
1314 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1315
1316         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1317         switching to serial mode.
1318         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1319
1320 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1321
1322         * configure.tgt: Add emacs -*- tags.
1323         * barrier.tpl: Same.
1324
1325 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1326
1327         * Makefile.am: Rename serial.cc to method-serial.cc.
1328         * Makefile.in: Regenerate with automake 1.11.1.
1329         * testsuite/Makefile.in: Same.
1330         * aclocal.m4: Regenerate with aclocal 1.11.1.
1331         * method-serial.cc: Rename from serial.cc.
1332         * libitm_i.h (struct gtm_transaction): Update comment on
1333         serialirr_mode.
1334
1335 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1336
1337         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1338         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1339
1340 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1341
1342         * configure: Rebuild.
1343
1344 2009-11-12  Richard Henderson  <rth@redhat.com>
1345
1346         * Rewrite everything in C++.
1347
1348 2009-11-03  Richard Henderson  <rth@redhat.com>
1349
1350         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1351         * Makefile.am (libitm_la_SOURCES): Add them.
1352         * configure.ac (ARCH_X86): New conditional.
1353         * Makefile.in, configure: Rebuild.
1354         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1355         Move futex setup into "other system configury" case.
1356         * local.c (rollback_local): Merge into ...
1357         (GTM_rollback_local): ... here.
1358         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1359         (_ITM_LB): Define as an alias to GTM_LB.
1360
1361 2009-11-03  Richard Henderson  <rth@redhat.com>
1362
1363         * method-readonly.c: New file.
1364         * Makefile.am (libitm_la_SOURCES): Add it.
1365         * Makefile.in: Rebuild.
1366         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1367         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1368         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1369         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1370         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1371         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1372         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1373         gtm_get_clock, gtm_inc_clock): New.
1374         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1375         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1376         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1377         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1378         replace uses with new libitm_i.h symbols.
1379         (dispatch_wbetl): Rename from wbetl_dispatch.
1380         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1381         away from dispatch_readonly; abort if the beginTransaction call
1382         asserted that the transaction was readonly.
1383
1384 2009-11-03  Richard Henderson  <rth@redhat.com>
1385
1386         * memset.c: New file.
1387         * Makefile.am (libitm_la_SOURCES): Add it.
1388         * Makefile.in: Rebuild.
1389         * testsuite/libitm.c/memset-1.c: New.
1390
1391 2009-11-03  Richard Henderson  <rth@redhat.com>
1392
1393         * dispatch.c: Remove file.
1394         * useraction.c (struct gtm_user_action): Move from libitm.h.
1395         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1396         (serial_memset, serial_memmove, serial_memcpy): Remove.
1397         (serial_W*, serial_R*): Remove.
1398         (serial_dispatch): Update to match.
1399         * configure.ac: Move Werror down below configure checks.  Don't
1400         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1401         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1402         Use GCC_AC_FUNC_MMAP_BLACKLIST
1403         * libitm.h: Split out all internal items to...
1404         * libitm_i.h: ... here.  New file.
1405         * copymask.c: New file.
1406         * local.c (struct gtm_local_undo): Move from libitm.h.
1407         (GTM_alloc_local): Rename from alloc_local; export.
1408         * memcpy.c: New file.
1409         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1410         * config/posix/page.c: New file.
1411         * config/posix/target_tls.h: Remove file.
1412         * barrier.c: New file.
1413         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1414         copymask.c, page.c.
1415         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1416         * method-wbetl.c: Rewrite for new cacheline methods.
1417         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1418
1419         * config/alpha/sjlj.S: Fix typo.
1420         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1421         * config/alpha/copymask.c: New file.
1422         * config/alpha/target.h (CACHELINE_SIZE): New.
1423         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1424
1425         * config/x86/target_i.h: Copy functions from x86/target.h.
1426         * config/x86/copymask.c: New file.
1427         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1428         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1429         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1430         * config/x86/target_tls.h: Move contents to target_i.h.
1431
1432         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1433         * testsuite/libitm.c/memcpy-1.c: New.
1434
1435 2009-10-22  Richard Henderson  <rth@redhat.com>
1436
1437         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1438         (AM_CCASFLAGS): New.
1439         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1440         saving/restoring _AC_ARG_VAR_PRECIOUS.
1441         * Makefile.in, aclocal.m4, config.h.in, configure,
1442         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1443
1444 2009-10-22  Richard Henderson  <rth@redhat.com>
1445
1446         * testsuite/*: Update for new compiler syntax.
1447
1448 2009-10-21  Richard Henderson  <rth@redhat.com>
1449
1450         * libitm.h (_ITM_abortReason): Add outerAbort.
1451
1452 2009-08-03  Richard Henderson  <rth@redhat.com>
1453
1454         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1455         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1456         * method-wbetl.c (struct w_entry): Remove mask.
1457         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1458         adjust all callers.
1459
1460 2009-07-22  Richard Henderson  <rth@redhat.com>
1461
1462         * eh_cpp.c: New file.
1463         * Makefile.am (libitm_la_SOURCES): Add it.
1464         * Makefile.in: Rebuild.
1465         * beginend.c (GTM_rollback_transaction): Undo exception state.
1466         (GTM_trycommit_transaction): Mark inline.
1467         (GTM_trycommit_and_finalize_transaction): Split out from ...
1468         (_ITM_commitTransaction): ... here.
1469         (_ITM_commitTransactionEH): New function.
1470         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1471         cxa_unthrown, eh_in_flight; reorder.
1472
1473         * testsuite/libitm.c++/c++.exp: New.
1474         * testsuite/libitm.c++/eh-1.C: New.
1475
1476         * aatree.c (aa_free): Remove REGPARM.
1477         * aatree.h: Remove all REGPARM.
1478
1479 2009-07-18  Richard Henderson  <rth@redhat.com>
1480
1481         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1482         * Makefile.am (libitm_la_SOURCES): Add them.
1483         * Makefile.in: Rebuild.
1484         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1485         (GTM_trycommit_transaction): Likewise.
1486         * libitm.h: Include aatree.h
1487         (struct gtm_alloc_action): New.
1488         (struct gtm_transaction): Add alloc_actions.
1489         (GTM_record_allocation, GTM_forget_allocation): Declare.
1490         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1491         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1492         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1493         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1494         _ZGTtdaPvRKSt9nothrow_t): Export.
1495
1496 2009-07-18  Richard Henderson  <rth@redhat.com>
1497
1498         * target_tls.h: Move ...
1499         * config/posix/target_tls.h: ... here.
1500
1501 2009-07-07  Richard Henderson  <rth@redhat.com>
1502
1503         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1504
1505 2009-07-07  Richard Henderson  <rth@redhat.com>
1506
1507         * Update to GPL3.
1508
1509 2009-07-07  Richard Henderson  <rth@redhat.com>
1510
1511         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1512         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1513
1514         * configure.tgt: Don't use -ftls-model for x86 linux.
1515         * libitm.h: Include target.h after standard includes.
1516         (_gtm_thr): Rename from gtm_thr.
1517         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1518         (gtm_disp, set_gtm_disp): New.
1519         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1520         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1521         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1522
1523 2009-07-07  Richard Henderson  <rth@redhat.com>
1524
1525         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1526
1527 2009-07-06  Richard Henderson  <rth@redhat.com>
1528
1529         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1530         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1531         (_ITM_beginTransaction): Take variadic arguments.
1532         (_ITM_registerThrownObject): Declare.
1533         * beginend.c, serial.c: Update.
1534         * libitm.map: Add _ITM_registerThrownObject.
1535
1536 2009-01-28  Richard Henderson  <rth@redhat.com>
1537
1538         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1539         * Makefile.in: Rebuild.
1540         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1541         (GTM_restart_transaction): Fix uninstrumented code check.
1542         * retry.c (GTM_decide_retry_strategy): Add serial check.
1543         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1544         automatically go irrevokable when in serial mode.
1545         * clone.c: New file.
1546         * libitm.h, libitm.map: Update.
1547
1548 2009-01-27  Richard Henderson  <rth@redhat.com>
1549
1550         * Makefile.am (LTCCASCOMPILE): Define.
1551         (libitm_la_SOURCES): Add methid-wbetl.c.
1552         * testsuite/Makefile.am: New
1553         * configure.ac: Add testsuite/Makefile.
1554         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1555         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1556         (_ITM_abortTransaction): Finalize implementation method; pass
1557         transaction properties to longjmp.
1558         (GTM_restart_transaction): Split out from ...
1559         (_ITM_commitTransaction): ... here.
1560         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1561         Move to config/x86/target.h.
1562         * config/linux/alpha/futex_bits.h: New.
1563         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1564         * config/x86/target.h: Disable target types for 32-bit.
1565         * config/alpha/sjlj.S, config/alpha/target.h: New.
1566         * libitm.h (struct gtm_dispatch): Add init, fini.
1567         (enum restart_reason): New.
1568         (struct gtm_transaction): Add method and restarts.
1569         * retry.c (GTM_decide_retry_strategy): Implement.
1570         * serial.c (serial_init, serial_fini): New.
1571         (GTM_serialmode): Finialize outgoing method.
1572         * method-wbetl.c: New.
1573
1574 2008-12-09  Richard Henderson  <rth@redhat.com>
1575
1576         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1577         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1578         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1579         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1580         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1581         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1582         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1583         * serial.c (serial_R##T, serial_W##T): Likewise.
1584
1585 2008-11-21  Richard Henderson  <rth@redhat.com>
1586
1587         * Initial commit.