libitm/ChangeLog

   1 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   2
   3         * configure.tgt: Add -msoft-float to XCFLAGS.
   4
   5 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   6
   7         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
   8         (htm_transaction_active): Enable zEC12 instructions in the
   9         assembler.
  10         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  11
  12 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  13
  14         * acinclude.m4: Add htm asm check for s390.
  15         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
  16         * configure: Regenerate.
  17         * config/s390/target.h: Remove __HTM__ check.
  18         (htm_available): Call getauxval to get hwcaps and check whether
  19         HTM is available or not.
  20
  21 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
  22
  23         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
  24         * configure.ac: Use it.
  25         (AC_CHECK_HEADERS): Check for sys/auxv.h.
  26         (AC_CHECK_FUNCS): Check for getauxval.
  27         * config.h.in, configure: Rebuild.
  28         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
  29         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  30         (USE_HTM_FASTPATH): Define.
  31         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
  32         _HTM_RETRIES) New macros.
  33         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
  34         htm_begin_success, htm_commit, htm_transaction_active): New functions.
  35
  36 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  37
  38         * config/s390/target.h: Include htmintrin.h.
  39         (_HTM_ITM_RETRIES): New macro definition.
  40         (htm_available, htm_init, htm_begin, htm_begin_success)
  41         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  42
  43 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
  44             Cesar Philippidis  <cesar@codesourcery.com>
  45
  46         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
  47         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
  48         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
  49         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
  50
  51 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  52
  53         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  54         (_ITM_getTransactionId): Same.
  55         * config/x86/target.h (htm_transaction_active): New.
  56
  57 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  58
  59         PR libitm/57643
  60         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  61         the HTM fastpath.
  62
  63 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
  64
  65         PR bootstrap/56714
  66         * local_atomic (__always_inline): Always define our version.
  67         (__calculate_memory_order): Mark inline.
  68         (atomic_thread_fence): Ditto.
  69         (atomic_signal_fence): Ditto.
  70         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
  71         (atomic_bool::atomic_flag_clear_explicit): Ditto.
  72         (atomic_bool::atomic_flag_test_and_set): Ditto.
  73         (atomic_bool::atomic_flag_clear): Ditto.
  74
  75 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  76
  77         * config/s390/sjlj.S: New file.
  78         * config/s390/target.h: New file.
  79         * configure.tgt: Set options for S/390.
  80
  81 2013-03-23  Andi Kleen  <ak@linux.intel.com>
  82
  83         * local_atomic (__always_inline): Add.
  84         (__calculate_memory_order, atomic_thread_fence,
  85          atomic_signal_fence, test_and_set, clear, store, load,
  86          exchange, compare_exchange_weak, compare_exchange_strong,
  87          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
  88         Add __always_inline to force inlining.
  89
  90 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  91             Jack Howarth  <howarth@bromo.med.uc.edu>
  92             Patrick Marlier  <patrick.marlier@gmail.com>
  93
  94         PR libitm/55693
  95         * alloc_cpp.cc: Enable function declarations on darwin.
  96         * eh_cpp.cc: Likewise.
  97
  98 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
  99
 100         Update copyright years.
 101
 102 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 103
 104         * beginend.cc (htm_fastpath): New.
 105         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 106         _ITM_commitTransactionEH): Add HTM fastpath handling.
 107         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 108         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 109         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 110         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 111         * configure.tgt: Add -mrtm to XCFLAGS.
 112         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 113         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 114         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 115         * retry.cc (parse_default_method): Add HTM method parsing.
 116         (gtm_thread::number_of_threads_changed): Use HTM by default if
 117         available.
 118
 119 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 120
 121         * configure: Regenerate.
 122
 123 2012-10-31  Richard Henderson  <rth@redhat.com>
 124
 125         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 126         * configure.ac: Use it.
 127         * config.h.in, configure: Rebuild.
 128         * testsuite/Makefile.in: Rebuild.
 129
 130 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 131
 132         * libitm.texi: Clarify ABI requirements for data-logging functions.
 133
 134 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 135
 136         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 137         it requires serial mode instead of assuming that for certain
 138         dispatchs.
 139         * dispatch.h (abi_dispatch::requires_serial): New.
 140         (abi_dispatch::abi_dispatch): Adapt.
 141         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 142         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 143         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 144         serial_dispatch::serial_dispatch,
 145         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 146
 147 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 148
 149         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 150         and ia32 declarations some more.
 151         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 152
 153 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 154
 155         PR other/43620
 156         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 157         * configure: Regenerate.
 158         * Makefile.in: Regenerate.
 159
 160 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 161
 162         * configure: Regenerated.
 163
 164 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 165
 166         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 167
 168 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 169
 170         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 171
 172 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 173
 174         * configure: Regenerated.
 175
 176 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 177
 178         PR libitm/52854
 179         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 180         for x86-64.
 181
 182 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 183
 184         * configure: Regenerate.
 185
 186 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 187
 188         PR bootstrap/52812
 189         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 190
 191 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 192
 193         * testsuite/lib/libitm.exp: load fortran-modules.exp
 194
 195 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 196
 197         * configure.tgt (*-*-irix6*): Remove.
 198
 199 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 200
 201         PR libitm/52526
 202         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 203         wake-up.
 204
 205 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 206
 207         * configure.tgt (*-*-osf*): Remove.
 208         * configure: Regenerate.
 209
 210 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 211
 212         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 213         memtransfer/memset if size isn't larger than zero.
 214
 215 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 216
 217         * libitm.texi: Link to specification and add a usage example.
 218
 219 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 220
 221         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 222         default dispatch for more than 1 thread to ml_wt.
 223
 224 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 225
 226         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 227
 228 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 229
 230         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 231
 232 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 233
 234         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 235         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 236         (gl_wt_dispatch.rollback): Same.
 237
 238 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 239
 240         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 241
 242 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 243
 244         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 245         for RfW src.  Optimize number of calls to gtm_thr.
 246
 247 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 248
 249         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 250         acquisition to ...
 251         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 252         (default_dispatch): Make atomic.
 253         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 254         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 255         use decide_begin_dispatch() if default_dispatch might have changed.
 256         (GTM::gtm_thread::number_of_threads_changed): Initialize
 257         default_dispatch here.
 258
 259 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 260             Patrick Marlier  <patrick.marlier@gmail.com>
 261
 262         PR libitm/52220
 263         * alloc_cpp.cc: No dummy definitions for darwin.
 264         * eh_cpp.cc: Likewise.
 265
 266 2012-02-14  Richard Henderson  <rth@redhat.com>
 267
 268         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 269
 270 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 271
 272         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 273
 274 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 275
 276         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 277         (GTM::gtm_thread): Add read and write logs.
 278         (GTM::dispatch_ml_wt): Declare.
 279         * retry.cc (parse_default_method): Support ml_wt.
 280         * method-ml.cc: New file.
 281         * Makefile.am: Add method-ml.cc.
 282         * Makefile.in: Regenerate.
 283
 284 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 285
 286         * dispatch.h (GTM::abi_dispatch::supports): New.
 287         (GTM::method_group::reinit): New.
 288         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 289         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 290         supports the current situation.
 291
 292 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 293
 294         * util.cc (GTM::xcalloc): New.
 295         * common.h (GTM::xcalloc): Declare.
 296
 297 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 298
 299         * config/sparc/target.h (cpu_relax): Read from CC register.
 300         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 301
 302 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 303
 304         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 305
 306 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 307
 308         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 309         * config/sparc/cacheline.h: New file.
 310         * config/sparc/target.h: Likewise.
 311         * config/sparc/sjlj.S: Likewise.
 312         * config/linux/sparc/futex_bits.h: Likewise.
 313
 314 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 315
 316         * configure.ac (link_itm): Fix comment.
 317         * configure: Regenerate.
 318         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 319
 320 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 321
 322         PR libitm/51822
 323         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 324         Correct libgomp references.
 325
 326 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 327
 328         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 329         wake-up.
 330
 331 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 332
 333         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 334         end of structure.
 335         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 336         offset values.  Do not copy return address.  Decrement stack
 337         by 56 bytes only.
 338         (GTM_longjump) [__x86_64__]: Update offset values.
 339
 340 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 341
 342         PR libitm/51830
 343         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 344         the first function argument to %eax.
 345
 346 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 347
 348         * libitm.h (_ITM_getThreadnum): Remove.
 349         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 350
 351 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 352
 353         * clearcap.map: New file.
 354         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 355         * configure.ac: Call it.
 356         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 357         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 358         * configure: Regenerate.
 359         * Makefile.in: Regenerate.
 360         * testsuite/Makefile.in: Regenerate.
 361
 362 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 363
 364         PR libitm/51173
 365         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 366         include, exclude options.
 367
 368 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 369
 370         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 371         rolling back.
 372         * containers.h (GTM::vector::set_size): New.
 373
 374 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 375
 376         PR libitm/51855
 377         * config/generic/tls.h (GTM::mask_stack_top): New.
 378         (GTM::mask_stack_bottom): Declare.
 379         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 380         * local.cc (gtm_undolog::rollback): Filter out any updates that
 381         overlap the libitm stack.  Add current transaction as parameter.
 382         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 383         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 384         * testsuite/libitm.c/stackundo.c: New test.
 385
 386 2012-01-10  Richard Henderson  <rth@redhat.com>
 387
 388         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 389         * eh_cpp.cc (_Unwind_DeleteException): Define for
 390         !HAVE_ELF_STYLE_WEAKREF.
 391
 392 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 393
 394         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 395         (GTM::gtm_thread::drop_references_undolog): Remove.
 396         (GTM::gtm_thread::commit_undolog,
 397         GTM::gtm_thread::rollback_undolog): Move to ...
 398         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 399         (GTM::gtm_undolog_entry): Remove.
 400         (GTM::gtm_thread): Adapt.
 401         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 402         (GTM::gtm_thread::trycommit): Adapt.
 403         * method-serial.cc (serial_dispatch::log): Adapt.
 404         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 405         (gl_wt_dispatch::store): Fix likely/unlikely.
 406         * containers.h (GTM::vector::resize): Add additional_capacity
 407         parameter and handle it.
 408         (GTM::vector::resize_noinline): New/adapt.
 409         (GTM::vector::push): New.
 410
 411 2012-01-06  Richard Henderson  <rth@redhat.com>
 412
 413         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 414         * config/linux/powerpc/futex_bits.h: New file.
 415         * config/powerpc/cacheline.h: New file.
 416         * config/powerpc/sjlj.S: New file.
 417         * config/powerpc/target.h: New file.
 418         * config/generic/asmcfi.h (cfi_offset): New.
 419         (cfi_restore, cfi_undefined): New.
 420
 421 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 422
 423         PR other/51171
 424         * testsuite/libitm.c/reentrant.c: Remove xfail.
 425         (thread): Pass x to pure().
 426         From Patrik Marlier <patrick.marlier@gmail.com>.
 427
 428 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 429
 430         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 431         privatization safety if already in serial mode.
 432
 433 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 434
 435         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 436         finish_serial_upgrade parameter.
 437         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 438         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 439         Don't unset reader flag.
 440         (GTM::gtm_rwlock::write_upgrade_finish): New.
 441         * config/posix/rwlock.cc: Same.
 442         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 443         Declare.
 444         * config/posix/rwlock.h: Same.
 445         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 446         flag after commit or after rollback when restarting.
 447
 448 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 449
 450         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 451         (GTM::gtm_thread::try_commit): Changed memory order.
 452         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 453         as parameter.
 454         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 455         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 456         * config/linux/futex_bits.h (sys_futex0): Same.
 457         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 458         * config/linux/futex.h (futex_wait, futex_wake): Same.
 459         * config/linux/rwlock.h (gtm_rwlock::writers,
 460         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 461         ints.
 462         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 463         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 464         gtm_rwlock::write_unlock): Fix memory orders and fences.
 465         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 466         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 467         gtm_rwlock::write_unlock): Same.
 468         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 469         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 470         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 471         Add comments.
 472         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 473         gl_wt_dispatch::load, gl_wt_dispatch::store,
 474         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 475         orders and fences.  Add comments.
 476
 477 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 478
 479         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 480         * Makefile.in: Regenerated.
 481
 482 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 483
 484         * configure.tgt: Add sh* case.
 485         * config/sh/target.h: New file.
 486         * config/sh/sjlj.S: New file.
 487         * config/linux/sh/futex_bits.h: New file.
 488
 489 2011-12-14  Richard Henderson  <rth@redhat.com>
 490
 491         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 492         * config/arm/sjlj.S, config/arm/target.h: New files.
 493         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 494         (cfi_rel_offset): New.
 495         * config/linux/futex_bits.h: New file.
 496         * config/linux/futex.cc: Include futex_bits.h here...
 497         * config/linux/futex.h: ... not here.
 498         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 499         * configure.ac (ARCH_AM): New conditional.
 500         * Makefile.in, configure: Rebuild.
 501         * configure.tgt: Handle ARM.
 502
 503 2011-12-13  Richard Henderson  <rth@redhat.com>
 504
 505         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 506         signed/unsigned comparison werror.
 507
 508         * local_atomic: New file.
 509         * libitm_i.h: Include it.
 510         (gtm_thread::shared_state): Use atomic template.
 511         * beginend.cc (GTM::gtm_clock): Use atomic template.
 512         (global_tid): Use atomic template if 64-bit atomics available.
 513         (gtm_thread::gtm_thread): Update shared_state access.
 514         (gtm_thread::trycommit): Likewise.
 515         (choose_code_path): Update global_tid access.
 516         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 517         * stmlock.h (GTM::gtm_clock): Use atomic template.
 518         (gtm_get_clock, gtm_inc_clock): Update accesses.
 519         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 520         redundant __sync_synchronize after atomic shared_state access.
 521         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 522         (gtm_rwlock::write_lock_generic): Likewise.
 523         (gtm_rwlock::read_unlock): Likewise.
 524         * config/alpha/target.h (atomic_read_barrier): Remove.
 525         (atomic_write_barrier): Remove.
 526         * config/x86/target.h (atomic_read_barrier): Remove.
 527         (atomic_write_barrier): Remove.
 528
 529 2011-11-30  Richard Henderson  <rth@redhat.com>
 530
 531         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 532         * beginend.c (_ITM_abortTransaction): Update to match.
 533         (GTM::gtm_thread::restart): Likewise.
 534         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 535         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 536
 537 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 538
 539         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 540         * Makefile.in: Regenerate.
 541
 542 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 543
 544         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 545         * alloc_cpp.cc: Generate dummy functions if we don't
 546         HAVE_ELF_STYLE_WEAKREF.
 547         * eh_cpp.cc: Likewise.
 548         * configure: Regenerate.
 549         * aclocal.m4:  Likewise.
 550         * config.h.in: Likewise.
 551         * Makefile.in: Likewise.
 552         * testsuite/Makefile.in: Likewise.
 553
 554 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 555
 556         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 557         __USER_LABEL_PREFIX__ for targets that use it.
 558         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 559         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 560         in portability to non-elf targets.
 561         (GTM_longjmp): Likewise.
 562         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 563         where required.
 564
 565 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 566
 567         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 568         * testsuite/libitm.c/memset-1.c: Likewise.
 569
 570 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 571
 572         * configure: Regenerate.
 573
 574 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 575
 576         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 577         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 578         * Makefile.am: Handle sun style versioning.
 579         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 580         * configure: Regenerate.
 581         * Makefile.in: Regenerate.
 582
 583 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 584
 585         * config/generic/asmcfi.h: Fix comment.
 586         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 587         sequence without .hidden support, error for non-ELF targets.
 588         (GTM_longjmp) [__ELF__]: Only use .hidden if
 589         HAVE_ATTRIBUTE_VISIBILITY.
 590
 591 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 592
 593         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 594         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 595         Dummy functions.
 596         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 597         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 598
 599 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 600
 601         PR bootstrap/51098
 602         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 603         * configure: Regenerate.
 604
 605 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 608
 609 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 610
 611         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 612         .hidden.
 613         (.note.GNU-stack): Only use if __linux__.
 614         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 615         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 616         * testsuite/libitm.c/reentrant.c: Likewise.
 617         * testsuite/libitm.c/simple-2.c: Likewise.
 618         * testsuite/libitm.c/txrelease.c: Likewise.
 619         * testsuite/libitm.c++/static_ctor.C: Likewise.
 620
 621 2011-11-10  Richard Henderson  <rth@redhat.com>
 622
 623         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 624         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 625         * configure.ac (ARCH_X86_AVX): New conditional.
 626         * Makefile.in, configure: Rebuild.
 627
 628 2011-11-09  Richard Henderson  <rth@redhat.com>
 629
 630         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 631         * configure.ac: Use it.
 632         * config.h.in, configure: Rebuild.
 633         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 634
 635 2011-11-09  Richard Henderson  <rth@redhat.com>
 636
 637         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 638         * config/alpha/unaligned.h: Remove file.
 639         * config/generic/unaligned.h: Remove file.
 640         * config/x86/unaligned.h: Remove file.
 641         * config/generic/cachepage.h: Remove file.
 642         * config/posix/cachepage.cc: Remove file.
 643         * config/generic/cacheline.cc: Remove file.
 644         * config/x86/cacheline.cc: Remove file.
 645         * config/generic/cacheline.h (gtm_cacheline): Remove the
 646         store_mask, copy_mask, copy_mask_wb methods.
 647         * config/x86/cacheline.h: Likewise.
 648         * config/alpha/cacheline.h: Fall back to generic after setting size.
 649         * config/generic/tls.cc (gtm_mask_stack): Remove.
 650         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 651         (GTM_vpalignr_table): Remove.
 652         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 653         (GTM_pshift_table): Remove.
 654         * config/libitm_i.h: Don't include cachepage.h.
 655         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 656         * Makefile.in, testsuite/Makefile.in: Rebuild.
 657
 658 2011-11-09  Richard Henderson  <rth@redhat.com>
 659
 660         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 661         to emit branch prediction hint.
 662
 663         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 664         Protect .note.GNU-stack with __linux__.
 665
 666         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 667         * configure, aclocal.m4, config.h.in: Rebuild.
 668         * config/generic/asmcfi.h: New file.
 669         * config/x86/sjlj.S: Use it.
 670
 671 2011-11-08  Richard Henderson  <rth@redhat.com>
 672
 673         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 674
 675 2011-11-08  Richard Henderson  <rth@redhat.com>
 676
 677         * configure.tgt: Test correct directory for supported cpus.
 678
 679         * configure.ac: Exit if unsupported.
 680         * configure: Rebuild.
 681         * configure.tgt: Delete boilerplate from libgomp for unsupported
 682         targets.  Set UNSUPPORTED for unsupported targets.
 683
 684 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 685
 686         * configure.tgt: Handle i386 like i[456]86.
 687         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 688         take address.
 689         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 690         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 691
 692 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 693
 694         * method-wbetl.cc: Update copyright notice.
 695         * aatree.cc: Same.
 696         * util.cc: Same.
 697         * libitm.h: Same.
 698         * memset.cc: Same.
 699         * eh_cpp.cc: Same.
 700         * barrier.tpl: Same.
 701         * useraction.cc: Same.
 702         * stmlock.h: Same.
 703         * memcpy.cc: Same.
 704         * common.h: Same.
 705         * config/generic/tls.cc: Same.
 706         * config/generic/cacheline.h: Same.
 707         * config/generic/cachepage.h: Same.
 708         * config/generic/cacheline.cc: Same.
 709         * config/generic/unaligned.h: Same.
 710         * config/x86/cacheline.h: Same.
 711         * config/x86/cacheline.cc: Same.
 712         * config/x86/unaligned.h: Same.
 713         * config/alpha/cacheline.h: Same.
 714         * config/alpha/unaligned.h: Same.
 715         * config/alpha/sjlj.S: Same.
 716         * config/posix/cachepage.cc: Same.
 717         * config/linux/futex.h: Same.
 718         * config/linux/alpha/futex_bits.h: Same.
 719
 720 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 721
 722         * libitm.texi: No cover text and invariant sections.
 723
 724 2011-11-03  Richard Henderson  <rth@redhat.com>
 725
 726         * local_type_traits: New file.
 727         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 728
 729 2011-11-03  Richard Henderson  <rth@redhat.com>
 730
 731         * configure.ac: Don't test for gfortran.
 732         * configure: Rebuild.
 733
 734         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 735         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 736
 737 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 738
 739         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 740         * testsuite/libitm.c/memset-1.c: Same.
 741         * testsuite/libitm.c/c.exp: Same.
 742         * testsuite/lib/libitm-dg.exp: Same.
 743         * testsuite/lib/libitm.exp: Same.
 744         * testsuite/libitm.c++/c++.exp: Same.
 745
 746 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 747
 748         * testsuite/config/default.exp: Update copyright date.
 749         * configure.ac: Add copyright info.
 750         * configure.tgt: Same.
 751
 752 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 753
 754         * testsuite/libitm.c/reentrant.c: XFAIL.
 755         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 756
 757 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 758
 759         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 760         handle aborts.
 761         (_ITM_abortTransaction): Handle aborts of outer transactions.
 762         * libitm_i.h: Same.
 763         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 764         * libitm.texi: Document aborts of outer transactions.
 765         * testsuite/libitm.c/cancel.c: New file.
 766
 767 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 768
 769         * testsuite/*: Change __transaction to __transaction_atomic or
 770         __transaction_relaxed.
 771
 772 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 773
 774         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 775         (gtm_thr): Same.
 776
 777 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 778
 779         * libitm_i.h: Add gl_wt dispatch.
 780         * retry.cc (parse_default_method): Same.
 781         * method-gl.cc: New file.
 782         * Makefile.am: Use method-gl.cc.
 783         * Makefile.in: Rebuild.
 784
 785 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 786
 787         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 788         safety if requested by a TM method.
 789         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 790         privatization safety.
 791         * method-serial.cc: Same.
 792
 793 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 794
 795         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 796         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 797         undolog-related member functions from *_local to *_undolog.
 798         * local.cc (gtm_thread::commit_undolog): Same.
 799         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 800         (GTM::gtm_thread::rollback): Roll back undolog before
 801         dispatch-specific rollback.
 802
 803 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 804
 805         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 806         re-initialization of the current method group.
 807         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 808
 809 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 810
 811         * alloc.cc (commit_allocations_2): Do not free transaction-local
 812         memory when committing a nested transaction.
 813
 814 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 815
 816         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 817         serial-irrevocable dispatch, not serial.
 818
 819 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 820
 821         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 822         declarations.
 823         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 824         * method-serial.cc: Implement begin_or_restart().
 825         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 826         dispatch-specific begin_or_restart().
 827         (GTM::gtm_thread::restart): Same.
 828
 829 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 830
 831         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 832         restarting without switching to serial mode.
 833         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 834         transaction state. Choose closed-nesting alternative if available.
 835         (GTM::gtm_thread::set_default_dispatch): New.
 836         (parse_default_method): New.
 837         (GTM::gtm_thread::number_of_threads_changed): New.
 838         * method-serial.cc (GTM::serial_mg): New method group class.
 839         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 840         fini.
 841         (GTM::serial_dispatch): Same.
 842         (GTM::serialirr_onwrite_dispatch): Same.
 843         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 844         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 845         registered threads.
 846         (GTM::gtm_thread::gtm_thread): Same.
 847         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 848         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 849         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 850         choose dispatch but set state according to dispatch here.
 851         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 852         (GTM::method_group): New class.
 853         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 854         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 855         * libitm.texi: Document TM methods, method groups, method life cycle.
 856         Rename method sets to method groups.
 857
 858 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 859
 860         * config/x86/tls.h: Moved to ...
 861         * config/linux/x86/tls.h: ... here.
 862
 863 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 864
 865         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 866         Add X32 support.
 867         * config/x86/sjlj.S: Same.
 868
 869 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 870
 871         * config/linux/rwlock.h: New file.
 872         * config/linux/rwlock.c: New file.
 873         * configure.ac: Reenable futex support (undo SVN rev 157758).
 874         * Makefile.am: Same.
 875         * configure.tgt: Same.
 876         * config/linux/alpha/futex_bits.h: Same.
 877         * config/linux/futex.h: Same. Return number of woken processes.
 878         * config/linux/futex.cc: Same.
 879         (futex_wait): Remove spinning.
 880         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 881         Use __x86_64__ instead of __LP64__.
 882         * aclocal.m4: Include generic futex checks.
 883         * configure: Rebuild.
 884         * Makefile.in: Rebuild.
 885         * testsuite/Makefile.in: Rebuild.
 886         * beginend.cc: Include pthread.h.
 887         * config/posix/cachepage.cc: Same.
 888
 889 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 890
 891         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 892         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 893         (set_gtm_thr): New.
 894         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 895         (set_gtm_thr): New.
 896         (GTM::gtm_thread::thread_num): Removed.
 897         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 898         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 899         tx-to-thread renaming.
 900         * beginend.cc: Adapted to tx-to-thread renaming.
 901         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 902         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 903         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 904         gtm_transaction to gtm_thread.
 905         (_ITM_getThreadnum): Removed. Not supported anymore.
 906         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 907         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 908         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 909         gtm_tx-to-gtm_thr renaming if necessary.
 910         * eh_cpp.cc: Same.
 911         * local.cc: Same.
 912         * retry.cc: Same.
 913         * clone.cc: Same.
 914         * alloc.cc: Same.
 915         * alloc_c.cc: Same.
 916         * alloc_cpp.cc: Same.
 917         * method-serial.cc: Same.
 918         * config/generic/tls.cc: Same.
 919         * config/posix/rwlock.h (gtm_rwlock): Same.
 920         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 921
 922 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 923
 924         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 925         implementation.
 926         (gtm_rwlock::read_unlock): Same.
 927         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 928         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 929         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 930         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 931         w_upgrade. Replaced by per-transaction flags (in shared_state).
 932         Added c_confirmed_writers.
 933         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 934         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 935         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 936         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 937         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 938         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 939         * libitm.texi: Document locking conventions and implementations in
 940         libitm.
 941
 942 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 943
 944         * libitm_i.h (next_tx): Add list of all threads' transaction.
 945         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 946         transaction with list of transactions and ...
 947         (thread_exit_handler): ... deregister here.
 948         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 949         * config/x86/target.h: Same.
 950
 951 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 952
 953         * testsuite/libitm.c++/static_ctor.C: New file.
 954
 955 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 956
 957         * testsuite/libitm.c/reentrant.c: New file.
 958
 959 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 960
 961         * config/generic/tls.h: Remove the free list for transactions and ...
 962         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 963         (GTM::gtm_transaction::operator delete): ... and release here.
 964         (thread_exit_handler): New. Delete tx when thread terminates.
 965         (thread_exit_init): New.
 966         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 967         * testsuite/libitm.c/txrelease.c: New file.
 968
 969 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 970
 971         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 972         * testsuite/libitm.c/notx.c: New file.
 973
 974 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 975
 976         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 977         * libitm_i.h (local_tid): ... to here.
 978         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 979         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 980
 981 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 982
 983         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 984         serialirr_onwrite_dispatch as new default for now.
 985         * method-serial.cc (serialirr_onwrite_dispatch): New.
 986         (GTM::dispatch_serialirr_onwrite): New.
 987         * libitm_i.h: Same.
 988
 989 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 990
 991         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 992         * query.cc (_ITM_getTransactionId): There is no active transaction if
 993         the current nesting level is zero.
 994
 995 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 996
 997         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 998         rollback.
 999
1000 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1001
1002         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1003         transaction properties from the caller instead of from the
1004         transaction object.
1005         * libitm_i.h: Same.
1006         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1007
1008 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1009
1010         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1011         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1012         * dispatch.h: Same.
1013         * method-serial.cc: Same.
1014         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1015         flat nesting as default, and closed nesting on demand.
1016         (GTM::gtm_transaction::rollback): Same.
1017         (_ITM_abortTransaction): Same.
1018         (GTM::gtm_transaction::restart): Same.
1019         (GTM::gtm_transaction::trycommit): Same.
1020         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1021         (choose_code_path): New.
1022         (GTM::gtm_transaction_cp::save): New.
1023         (GTM::gtm_transaction_cp::commit): New.
1024         * query.cc (_ITM_inTransaction): Support flat nesting.
1025         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1026         (GTM::gtm_transaction): Support flat and closed nesting.
1027         * alloc.cc (commit_allocations_2): New.
1028         (commit_cb_data): New helper struct.
1029         (GTM::gtm_transaction::commit_allocations): Handle nested
1030         commits/rollbacks.
1031         * libitm.texi: Update user action section, add description of nesting.
1032
1033 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1034
1035         * libitm_i.h: Add closed nesting as restart reason.
1036         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1037
1038 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1039
1040         * useraction.cc: Use vector instead of list to store actions.
1041         Also support partial rollbacks for closed nesting.
1042         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1043         * beginend.cc: Same.
1044
1045 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1046
1047         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1048         closed_nesting flags, as well as a closed nesting alternative.
1049         * method-serial.cc: Same.
1050         (serial_dispatch): Renamed to serialirr_dispatch.
1051         (GTM::dispatch_serialirr): Same.
1052         (serial_dispatch_ul): Renamed to serial_dispatch.
1053         (GTM::dispatch_serial): Same.
1054
1055 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1056
1057         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1058
1059 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1060
1061         * aatree.h (aa_tree::remove): New.
1062         (aa_tree::operator new): Add placement new.
1063
1064 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1065
1066         * containers.h: New file.
1067         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1068         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1069         * common.h: ... to here.
1070         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1071         * local.cc: Same.
1072
1073 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1074
1075         * libitm_i.h (STATE_ABORTING): Remove.
1076         * beginend.cc (_ITM_abortTransaction): Same.
1077         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1078         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1079         (_ITM_rollbackTransaction): Remove.
1080         * beginend.cc: Same.
1081         * libitm.map: Same.
1082         * libitm.texi: Document these ABI changes.
1083
1084 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1085
1086         * libitm.texi: New file.
1087         * Makefile.am: Add libitm.texi.
1088         * Makefile.in: Rebuild.
1089
1090 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1091
1092         * libitm_i.h: Move parts to common.h and dispatch.h.
1093         * common.h: New file.
1094         * dispatch.h: New file, new dispatch class.
1095         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1096         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1097         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1098         decision to retry.cc.
1099         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1100         only.
1101         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1102         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1103         logging.
1104         * barrier.cc: Use new barriers definitions.
1105         (abi_dispatch::memmove_overlap_check): New.
1106         * config/x86/x86_sse.cc: Same.
1107         * config/x86/x86_avx.cc: Same.
1108         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1109         memcpy.cc.
1110         * Makefile.in: Rebuild.
1111         * method-readonly.cc: Remove.
1112         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1113         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1114
1115 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1116
1117         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1118         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1119         * testsuite/libitm.c/dropref-2.c: Same.
1120         * testsuite/libitm.c/dropref.c: Same.
1121
1122 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1123
1124         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1125         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1126         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1127         * alloc_c.cc: Same.
1128         * barrier.tpl: Same.
1129         * beginend.c: Same.
1130         * config/generic/tls.h: Same.
1131         * config/x86/tls.h: Same.
1132         * libitm_i.h: Same.
1133         * memcpy.cc: Same.
1134         * memset.cc: Same.
1135         * method-readonly.cc: Same.
1136         * method-serial.cc: Same.
1137         * method-wbetl.cc: Same.
1138         * retry.cc: Same.
1139
1140 2011-03-03  Richard Henderson  <rth@redhat.com>
1141
1142         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1143         From Patrik Marlier <patrick.marlier@unine.ch>.
1144
1145 2011-02-03  Richard Henderson  <rth@redhat.com>
1146
1147         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1148         * configure.ac: Use it.
1149         * configure, config.h.in: Rebuild.
1150         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1151         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1152         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1153         * libitm.map: Use wildcards to match size_t mangling.
1154
1155 2010-12-14  Richard Henderson  <rth@redhat.com>
1156
1157         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1158         blocks of TIDs per thread.
1159         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1160         (setup_gtm_thr): Return the thread structure.
1161         * config/x86/tls.h (setup_gtm_thr): Likewise.
1162
1163 2010-12-14  Richard Henderson  <rth@redhat.com>
1164
1165         * clone.cc (table_lock): Remove.
1166         (find_clone): Don't take it.
1167         (ExcludeTransaction): New helper class.
1168         (_ITM_registerTMCloneTable): Use it.
1169         (_ITM_deregisterTMCloneTable): Likewise.
1170
1171 2010-12-14  Richard Henderson  <rth@redhat.com>
1172
1173         * config/x86/tls.h: New file.
1174
1175 2010-07-15  Richard Henderson  <rth@redhat.com>
1176
1177         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1178         * Makefile.in: Rebuild.
1179
1180 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1181
1182         * method-wbetl.cc (trydropreference): Fix source line.
1183
1184 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1185
1186         * libitm.h: Add comment.
1187         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1188
1189 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1190
1191         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1192         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1193         available, use pthread mutexes.
1194         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1195         * config.h.in: Regenerate.
1196         * configure: Regenerate.
1197
1198 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1199
1200         * libitm.h (ITM_PURE): Define.
1201         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1202
1203 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1204
1205         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1206         (validate): Add comment.
1207         (trydropreference): New.
1208         * method-readonly.cc (class readonly_dispatch): Add
1209         trydropreference.
1210         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1211         Call trydropreference().
1212         * libitm.h (_ITM_dropReferences): Remove const attribute.
1213         * method-serial.cc (class serial_dispatch): Add trydropreference.
1214         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1215
1216 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1217
1218         * memcpy.cc (do_memcpy): Comment.
1219
1220 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1221
1222         * barrier.tpl: Add comments throughout.
1223
1224 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1225
1226         * method-wbetl.cc (struct w_entry): Add comments.
1227         (trycommit): Same.
1228         (rollback): Same.
1229
1230 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1231
1232         * alloc_c.cc (_ITM_dropReferences): New.
1233         * libitm.map (_ITM_dropReferences): Add.
1234         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1235         * libitm_i.h (struct gtm_transaction): Declare
1236         drop_references_allocations and drop_references_local.
1237         * local.cc (rollback_local): Ignore memory when applicable.
1238         (drop_references_local): New.
1239
1240 2010-06-23  Richard Henderson  <rth@redhat.com>
1241
1242         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1243         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1244         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1245         * config/alpha/target.h: Likewise.
1246         * config/generic/tls.cc (gtm_mask_stack): Use it.
1247
1248 2010-06-23  Richard Henderson  <rth@redhat.com>
1249
1250         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1251         a mutex instead of trying a lock-free compare-and-swap on the list.
1252         (gtm_cacheline_page::operator delete): Likewise.
1253
1254 2010-06-16  Richard Henderson  <rth@redhat.com>
1255
1256         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1257         that overlap the libitm stack.
1258         * barrier.tpl: Mark incoming stack.
1259         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1260         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1261         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1262         * memcpy.cc, memset.cc: Likewise.
1263         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1264         * config/generic/tls.h (gtm_thread): Add stack_top member.
1265         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1266         * libitm_i.h (gtm_mask_stack): Declare.
1267         * config/generic/tls.cc: New file.
1268         * Makefile.am (libitm_la_SOURCES): Add it.
1269         (AM_CXXFLAGS): Turn off exceptions.
1270         * Makefile.in: Rebuild.
1271
1272 2010-06-16  Richard Henderson  <rth@redhat.com>
1273
1274         * alloc.cc (struct gtm_alloc_action): Move definition ...
1275         * libitm_i.h: ... here.
1276         (class gtm_transaction): Declare new and delete.
1277         * beginend.cc (alloc_tx): Reformulate as operator new.
1278         (free_tx): Reformulate as operator delete.
1279         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1280
1281 2010-06-11  Richard Henderson  <rth@redhat.com>
1282
1283         * clone.cc (clone_entry_compare): Fix typo.
1284         From Patrik Marlier <patrick.marlier@unine.ch>.
1285
1286 2010-05-13  Richard Henderson  <rth@redhat.com>
1287
1288         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1289         in extern "C".
1290
1291 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1292
1293         * libitm_i.h (struct gtm_transaction): Remove
1294         get_allocation_size.
1295         (record_allocation): Remove size parameter.
1296         * libitm.map (_ITM_realloc): Remove.
1297         * alloc_c.cc (_ITM_realloc): Remove.
1298         (_ITM_malloc): Remove size argument to record_allocation.
1299         (_ITM_calloc): Same.
1300         * alloc_cpp.cc (_ZGTtnwm): Same.
1301         (_ZGTtnwmRKSt9nothrow_t): Same.
1302         (_ZGTtnam): Same.
1303         (_ZGTtnamRKSt9nothrow_t): Same.
1304         * alloc.cc (struct gtm_alloc_action): Remove size.
1305         (get_allocation_size): Remove.
1306         (commit_allocations): Add comment.
1307         (record_allocation): Remove size parameter.
1308         (forget_allocation): Remove set of size.
1309
1310 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1311
1312         * Makefile.am (abi_version): New.
1313         (AM_CXXFLAGS): Pass abi_version.
1314         * Makefile.in: Regenerate.
1315         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1316
1317 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1318
1319         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1320         _ITM_getTMCloneOrIrrevokable.
1321         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1322         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1323
1324 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1325
1326         * configure.ac: Remove Linux futex support.
1327         * configure.tgt (config_path): Same.
1328         * Makefile.am: Same.
1329         * config/linux: Remove entire directory.
1330         * configure: Rebuild.
1331         * Makefile.in: Rebuild.
1332         * testsuite/Makefile.in: Rebuild.
1333
1334 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1335
1336         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1337         switching to serial mode.
1338         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1339
1340 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1341
1342         * configure.tgt: Add emacs -*- tags.
1343         * barrier.tpl: Same.
1344
1345 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1346
1347         * Makefile.am: Rename serial.cc to method-serial.cc.
1348         * Makefile.in: Regenerate with automake 1.11.1.
1349         * testsuite/Makefile.in: Same.
1350         * aclocal.m4: Regenerate with aclocal 1.11.1.
1351         * method-serial.cc: Rename from serial.cc.
1352         * libitm_i.h (struct gtm_transaction): Update comment on
1353         serialirr_mode.
1354
1355 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1356
1357         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1358         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1359
1360 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         * configure: Rebuild.
1363
1364 2009-11-12  Richard Henderson  <rth@redhat.com>
1365
1366         * Rewrite everything in C++.
1367
1368 2009-11-03  Richard Henderson  <rth@redhat.com>
1369
1370         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1371         * Makefile.am (libitm_la_SOURCES): Add them.
1372         * configure.ac (ARCH_X86): New conditional.
1373         * Makefile.in, configure: Rebuild.
1374         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1375         Move futex setup into "other system configury" case.
1376         * local.c (rollback_local): Merge into ...
1377         (GTM_rollback_local): ... here.
1378         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1379         (_ITM_LB): Define as an alias to GTM_LB.
1380
1381 2009-11-03  Richard Henderson  <rth@redhat.com>
1382
1383         * method-readonly.c: New file.
1384         * Makefile.am (libitm_la_SOURCES): Add it.
1385         * Makefile.in: Rebuild.
1386         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1387         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1388         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1389         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1390         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1391         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1392         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1393         gtm_get_clock, gtm_inc_clock): New.
1394         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1395         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1396         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1397         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1398         replace uses with new libitm_i.h symbols.
1399         (dispatch_wbetl): Rename from wbetl_dispatch.
1400         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1401         away from dispatch_readonly; abort if the beginTransaction call
1402         asserted that the transaction was readonly.
1403
1404 2009-11-03  Richard Henderson  <rth@redhat.com>
1405
1406         * memset.c: New file.
1407         * Makefile.am (libitm_la_SOURCES): Add it.
1408         * Makefile.in: Rebuild.
1409         * testsuite/libitm.c/memset-1.c: New.
1410
1411 2009-11-03  Richard Henderson  <rth@redhat.com>
1412
1413         * dispatch.c: Remove file.
1414         * useraction.c (struct gtm_user_action): Move from libitm.h.
1415         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1416         (serial_memset, serial_memmove, serial_memcpy): Remove.
1417         (serial_W*, serial_R*): Remove.
1418         (serial_dispatch): Update to match.
1419         * configure.ac: Move Werror down below configure checks.  Don't
1420         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1421         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1422         Use GCC_AC_FUNC_MMAP_BLACKLIST
1423         * libitm.h: Split out all internal items to...
1424         * libitm_i.h: ... here.  New file.
1425         * copymask.c: New file.
1426         * local.c (struct gtm_local_undo): Move from libitm.h.
1427         (GTM_alloc_local): Rename from alloc_local; export.
1428         * memcpy.c: New file.
1429         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1430         * config/posix/page.c: New file.
1431         * config/posix/target_tls.h: Remove file.
1432         * barrier.c: New file.
1433         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1434         copymask.c, page.c.
1435         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1436         * method-wbetl.c: Rewrite for new cacheline methods.
1437         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1438
1439         * config/alpha/sjlj.S: Fix typo.
1440         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1441         * config/alpha/copymask.c: New file.
1442         * config/alpha/target.h (CACHELINE_SIZE): New.
1443         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1444
1445         * config/x86/target_i.h: Copy functions from x86/target.h.
1446         * config/x86/copymask.c: New file.
1447         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1448         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1449         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1450         * config/x86/target_tls.h: Move contents to target_i.h.
1451
1452         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1453         * testsuite/libitm.c/memcpy-1.c: New.
1454
1455 2009-10-22  Richard Henderson  <rth@redhat.com>
1456
1457         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1458         (AM_CCASFLAGS): New.
1459         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1460         saving/restoring _AC_ARG_VAR_PRECIOUS.
1461         * Makefile.in, aclocal.m4, config.h.in, configure,
1462         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1463
1464 2009-10-22  Richard Henderson  <rth@redhat.com>
1465
1466         * testsuite/*: Update for new compiler syntax.
1467
1468 2009-10-21  Richard Henderson  <rth@redhat.com>
1469
1470         * libitm.h (_ITM_abortReason): Add outerAbort.
1471
1472 2009-08-03  Richard Henderson  <rth@redhat.com>
1473
1474         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1475         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1476         * method-wbetl.c (struct w_entry): Remove mask.
1477         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1478         adjust all callers.
1479
1480 2009-07-22  Richard Henderson  <rth@redhat.com>
1481
1482         * eh_cpp.c: New file.
1483         * Makefile.am (libitm_la_SOURCES): Add it.
1484         * Makefile.in: Rebuild.
1485         * beginend.c (GTM_rollback_transaction): Undo exception state.
1486         (GTM_trycommit_transaction): Mark inline.
1487         (GTM_trycommit_and_finalize_transaction): Split out from ...
1488         (_ITM_commitTransaction): ... here.
1489         (_ITM_commitTransactionEH): New function.
1490         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1491         cxa_unthrown, eh_in_flight; reorder.
1492
1493         * testsuite/libitm.c++/c++.exp: New.
1494         * testsuite/libitm.c++/eh-1.C: New.
1495
1496         * aatree.c (aa_free): Remove REGPARM.
1497         * aatree.h: Remove all REGPARM.
1498
1499 2009-07-18  Richard Henderson  <rth@redhat.com>
1500
1501         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1502         * Makefile.am (libitm_la_SOURCES): Add them.
1503         * Makefile.in: Rebuild.
1504         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1505         (GTM_trycommit_transaction): Likewise.
1506         * libitm.h: Include aatree.h
1507         (struct gtm_alloc_action): New.
1508         (struct gtm_transaction): Add alloc_actions.
1509         (GTM_record_allocation, GTM_forget_allocation): Declare.
1510         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1511         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1512         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1513         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1514         _ZGTtdaPvRKSt9nothrow_t): Export.
1515
1516 2009-07-18  Richard Henderson  <rth@redhat.com>
1517
1518         * target_tls.h: Move ...
1519         * config/posix/target_tls.h: ... here.
1520
1521 2009-07-07  Richard Henderson  <rth@redhat.com>
1522
1523         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1524
1525 2009-07-07  Richard Henderson  <rth@redhat.com>
1526
1527         * Update to GPL3.
1528
1529 2009-07-07  Richard Henderson  <rth@redhat.com>
1530
1531         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1532         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1533
1534         * configure.tgt: Don't use -ftls-model for x86 linux.
1535         * libitm.h: Include target.h after standard includes.
1536         (_gtm_thr): Rename from gtm_thr.
1537         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1538         (gtm_disp, set_gtm_disp): New.
1539         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1540         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1541         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1542
1543 2009-07-07  Richard Henderson  <rth@redhat.com>
1544
1545         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1546
1547 2009-07-06  Richard Henderson  <rth@redhat.com>
1548
1549         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1550         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1551         (_ITM_beginTransaction): Take variadic arguments.
1552         (_ITM_registerThrownObject): Declare.
1553         * beginend.c, serial.c: Update.
1554         * libitm.map: Add _ITM_registerThrownObject.
1555
1556 2009-01-28  Richard Henderson  <rth@redhat.com>
1557
1558         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1559         * Makefile.in: Rebuild.
1560         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1561         (GTM_restart_transaction): Fix uninstrumented code check.
1562         * retry.c (GTM_decide_retry_strategy): Add serial check.
1563         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1564         automatically go irrevokable when in serial mode.
1565         * clone.c: New file.
1566         * libitm.h, libitm.map: Update.
1567
1568 2009-01-27  Richard Henderson  <rth@redhat.com>
1569
1570         * Makefile.am (LTCCASCOMPILE): Define.
1571         (libitm_la_SOURCES): Add methid-wbetl.c.
1572         * testsuite/Makefile.am: New
1573         * configure.ac: Add testsuite/Makefile.
1574         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1575         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1576         (_ITM_abortTransaction): Finalize implementation method; pass
1577         transaction properties to longjmp.
1578         (GTM_restart_transaction): Split out from ...
1579         (_ITM_commitTransaction): ... here.
1580         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1581         Move to config/x86/target.h.
1582         * config/linux/alpha/futex_bits.h: New.
1583         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1584         * config/x86/target.h: Disable target types for 32-bit.
1585         * config/alpha/sjlj.S, config/alpha/target.h: New.
1586         * libitm.h (struct gtm_dispatch): Add init, fini.
1587         (enum restart_reason): New.
1588         (struct gtm_transaction): Add method and restarts.
1589         * retry.c (GTM_decide_retry_strategy): Implement.
1590         * serial.c (serial_init, serial_fini): New.
1591         (GTM_serialmode): Finialize outgoing method.
1592         * method-wbetl.c: New.
1593
1594 2008-12-09  Richard Henderson  <rth@redhat.com>
1595
1596         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1597         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1598         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1599         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1600         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1601         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1602         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1603         * serial.c (serial_R##T, serial_W##T): Likewise.
1604
1605 2008-11-21  Richard Henderson  <rth@redhat.com>
1606
1607         * Initial commit.