libitm/ChangeLog

   1 2013-09-20  Alan Modra  <amodra@gmail.com>
   2
   3         * configure: Regenerate.
   4
   5 2013-08-30  Torvald Riegel  <triegel@redhat.com>
   6
   7         * config/posix/rwlock.cc: Fix initialization order.
   8
   9 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  10
  11         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  12         (htm_fastpath): Assign an asm name.
  13         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  14         HTM fast paths.
  15         (_ITM_actions): Likewise.
  16         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  17         x86_64.
  18         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  19         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  20         field to the start of the structure.
  21         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  22         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  23         handling for custom HTM fast paths.
  24
  25 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  26         Revert:
  27         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  28
  29         * configure.tgt: Add -msoft-float to XCFLAGS.
  30
  31 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  32
  33         * configure.tgt: Add -msoft-float to XCFLAGS.
  34
  35 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  36
  37         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  38         (htm_transaction_active): Enable zEC12 instructions in the
  39         assembler.
  40         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  41
  42 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  43
  44         * acinclude.m4: Add htm asm check for s390.
  45         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
  46         * configure: Regenerate.
  47         * config/s390/target.h: Remove __HTM__ check.
  48         (htm_available): Call getauxval to get hwcaps and check whether
  49         HTM is available or not.
  50
  51 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
  52
  53         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
  54         * configure.ac: Use it.
  55         (AC_CHECK_HEADERS): Check for sys/auxv.h.
  56         (AC_CHECK_FUNCS): Check for getauxval.
  57         * config.h.in, configure: Rebuild.
  58         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
  59         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  60         (USE_HTM_FASTPATH): Define.
  61         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
  62         _HTM_RETRIES) New macros.
  63         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
  64         htm_begin_success, htm_commit, htm_transaction_active): New functions.
  65
  66 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  67
  68         * config/s390/target.h: Include htmintrin.h.
  69         (_HTM_ITM_RETRIES): New macro definition.
  70         (htm_available, htm_init, htm_begin, htm_begin_success)
  71         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  72
  73 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
  74             Cesar Philippidis  <cesar@codesourcery.com>
  75
  76         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
  77         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
  78         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
  79         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
  80
  81 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  82
  83         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  84         (_ITM_getTransactionId): Same.
  85         * config/x86/target.h (htm_transaction_active): New.
  86
  87 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  88
  89         PR libitm/57643
  90         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  91         the HTM fastpath.
  92
  93 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
  94
  95         PR bootstrap/56714
  96         * local_atomic (__always_inline): Always define our version.
  97         (__calculate_memory_order): Mark inline.
  98         (atomic_thread_fence): Ditto.
  99         (atomic_signal_fence): Ditto.
 100         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 101         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 102         (atomic_bool::atomic_flag_test_and_set): Ditto.
 103         (atomic_bool::atomic_flag_clear): Ditto.
 104
 105 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 106
 107         * config/s390/sjlj.S: New file.
 108         * config/s390/target.h: New file.
 109         * configure.tgt: Set options for S/390.
 110
 111 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 112
 113         * local_atomic (__always_inline): Add.
 114         (__calculate_memory_order, atomic_thread_fence,
 115          atomic_signal_fence, test_and_set, clear, store, load,
 116          exchange, compare_exchange_weak, compare_exchange_strong,
 117          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 118         Add __always_inline to force inlining.
 119
 120 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 121             Jack Howarth  <howarth@bromo.med.uc.edu>
 122             Patrick Marlier  <patrick.marlier@gmail.com>
 123
 124         PR libitm/55693
 125         * alloc_cpp.cc: Enable function declarations on darwin.
 126         * eh_cpp.cc: Likewise.
 127
 128 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 129
 130         Update copyright years.
 131
 132 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 133
 134         * beginend.cc (htm_fastpath): New.
 135         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 136         _ITM_commitTransactionEH): Add HTM fastpath handling.
 137         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 138         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 139         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 140         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 141         * configure.tgt: Add -mrtm to XCFLAGS.
 142         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 143         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 144         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 145         * retry.cc (parse_default_method): Add HTM method parsing.
 146         (gtm_thread::number_of_threads_changed): Use HTM by default if
 147         available.
 148
 149 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 150
 151         * configure: Regenerate.
 152
 153 2012-10-31  Richard Henderson  <rth@redhat.com>
 154
 155         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 156         * configure.ac: Use it.
 157         * config.h.in, configure: Rebuild.
 158         * testsuite/Makefile.in: Rebuild.
 159
 160 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 161
 162         * libitm.texi: Clarify ABI requirements for data-logging functions.
 163
 164 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 165
 166         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 167         it requires serial mode instead of assuming that for certain
 168         dispatchs.
 169         * dispatch.h (abi_dispatch::requires_serial): New.
 170         (abi_dispatch::abi_dispatch): Adapt.
 171         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 172         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 173         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 174         serial_dispatch::serial_dispatch,
 175         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 176
 177 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 178
 179         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 180         and ia32 declarations some more.
 181         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 182
 183 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 184
 185         PR other/43620
 186         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 187         * configure: Regenerate.
 188         * Makefile.in: Regenerate.
 189
 190 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 191
 192         * configure: Regenerated.
 193
 194 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 195
 196         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 197
 198 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 199
 200         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 201
 202 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 203
 204         * configure: Regenerated.
 205
 206 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 207
 208         PR libitm/52854
 209         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 210         for x86-64.
 211
 212 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 213
 214         * configure: Regenerate.
 215
 216 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 217
 218         PR bootstrap/52812
 219         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 220
 221 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 222
 223         * testsuite/lib/libitm.exp: load fortran-modules.exp
 224
 225 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 226
 227         * configure.tgt (*-*-irix6*): Remove.
 228
 229 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 230
 231         PR libitm/52526
 232         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 233         wake-up.
 234
 235 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 236
 237         * configure.tgt (*-*-osf*): Remove.
 238         * configure: Regenerate.
 239
 240 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 241
 242         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 243         memtransfer/memset if size isn't larger than zero.
 244
 245 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 246
 247         * libitm.texi: Link to specification and add a usage example.
 248
 249 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 250
 251         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 252         default dispatch for more than 1 thread to ml_wt.
 253
 254 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 255
 256         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 257
 258 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 259
 260         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 261
 262 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 263
 264         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 265         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 266         (gl_wt_dispatch.rollback): Same.
 267
 268 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 269
 270         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 271
 272 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 273
 274         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 275         for RfW src.  Optimize number of calls to gtm_thr.
 276
 277 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 278
 279         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 280         acquisition to ...
 281         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 282         (default_dispatch): Make atomic.
 283         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 284         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 285         use decide_begin_dispatch() if default_dispatch might have changed.
 286         (GTM::gtm_thread::number_of_threads_changed): Initialize
 287         default_dispatch here.
 288
 289 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 290             Patrick Marlier  <patrick.marlier@gmail.com>
 291
 292         PR libitm/52220
 293         * alloc_cpp.cc: No dummy definitions for darwin.
 294         * eh_cpp.cc: Likewise.
 295
 296 2012-02-14  Richard Henderson  <rth@redhat.com>
 297
 298         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 299
 300 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 301
 302         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 303
 304 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 305
 306         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 307         (GTM::gtm_thread): Add read and write logs.
 308         (GTM::dispatch_ml_wt): Declare.
 309         * retry.cc (parse_default_method): Support ml_wt.
 310         * method-ml.cc: New file.
 311         * Makefile.am: Add method-ml.cc.
 312         * Makefile.in: Regenerate.
 313
 314 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 315
 316         * dispatch.h (GTM::abi_dispatch::supports): New.
 317         (GTM::method_group::reinit): New.
 318         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 319         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 320         supports the current situation.
 321
 322 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 323
 324         * util.cc (GTM::xcalloc): New.
 325         * common.h (GTM::xcalloc): Declare.
 326
 327 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 328
 329         * config/sparc/target.h (cpu_relax): Read from CC register.
 330         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 331
 332 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 333
 334         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 335
 336 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 337
 338         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 339         * config/sparc/cacheline.h: New file.
 340         * config/sparc/target.h: Likewise.
 341         * config/sparc/sjlj.S: Likewise.
 342         * config/linux/sparc/futex_bits.h: Likewise.
 343
 344 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 345
 346         * configure.ac (link_itm): Fix comment.
 347         * configure: Regenerate.
 348         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 349
 350 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 351
 352         PR libitm/51822
 353         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 354         Correct libgomp references.
 355
 356 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 357
 358         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 359         wake-up.
 360
 361 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 362
 363         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 364         end of structure.
 365         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 366         offset values.  Do not copy return address.  Decrement stack
 367         by 56 bytes only.
 368         (GTM_longjump) [__x86_64__]: Update offset values.
 369
 370 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 371
 372         PR libitm/51830
 373         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 374         the first function argument to %eax.
 375
 376 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 377
 378         * libitm.h (_ITM_getThreadnum): Remove.
 379         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 380
 381 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 382
 383         * clearcap.map: New file.
 384         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 385         * configure.ac: Call it.
 386         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 387         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 388         * configure: Regenerate.
 389         * Makefile.in: Regenerate.
 390         * testsuite/Makefile.in: Regenerate.
 391
 392 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 393
 394         PR libitm/51173
 395         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 396         include, exclude options.
 397
 398 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 399
 400         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 401         rolling back.
 402         * containers.h (GTM::vector::set_size): New.
 403
 404 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 405
 406         PR libitm/51855
 407         * config/generic/tls.h (GTM::mask_stack_top): New.
 408         (GTM::mask_stack_bottom): Declare.
 409         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 410         * local.cc (gtm_undolog::rollback): Filter out any updates that
 411         overlap the libitm stack.  Add current transaction as parameter.
 412         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 413         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 414         * testsuite/libitm.c/stackundo.c: New test.
 415
 416 2012-01-10  Richard Henderson  <rth@redhat.com>
 417
 418         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 419         * eh_cpp.cc (_Unwind_DeleteException): Define for
 420         !HAVE_ELF_STYLE_WEAKREF.
 421
 422 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 423
 424         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 425         (GTM::gtm_thread::drop_references_undolog): Remove.
 426         (GTM::gtm_thread::commit_undolog,
 427         GTM::gtm_thread::rollback_undolog): Move to ...
 428         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 429         (GTM::gtm_undolog_entry): Remove.
 430         (GTM::gtm_thread): Adapt.
 431         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 432         (GTM::gtm_thread::trycommit): Adapt.
 433         * method-serial.cc (serial_dispatch::log): Adapt.
 434         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 435         (gl_wt_dispatch::store): Fix likely/unlikely.
 436         * containers.h (GTM::vector::resize): Add additional_capacity
 437         parameter and handle it.
 438         (GTM::vector::resize_noinline): New/adapt.
 439         (GTM::vector::push): New.
 440
 441 2012-01-06  Richard Henderson  <rth@redhat.com>
 442
 443         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 444         * config/linux/powerpc/futex_bits.h: New file.
 445         * config/powerpc/cacheline.h: New file.
 446         * config/powerpc/sjlj.S: New file.
 447         * config/powerpc/target.h: New file.
 448         * config/generic/asmcfi.h (cfi_offset): New.
 449         (cfi_restore, cfi_undefined): New.
 450
 451 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 452
 453         PR other/51171
 454         * testsuite/libitm.c/reentrant.c: Remove xfail.
 455         (thread): Pass x to pure().
 456         From Patrik Marlier <patrick.marlier@gmail.com>.
 457
 458 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 459
 460         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 461         privatization safety if already in serial mode.
 462
 463 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 464
 465         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 466         finish_serial_upgrade parameter.
 467         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 468         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 469         Don't unset reader flag.
 470         (GTM::gtm_rwlock::write_upgrade_finish): New.
 471         * config/posix/rwlock.cc: Same.
 472         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 473         Declare.
 474         * config/posix/rwlock.h: Same.
 475         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 476         flag after commit or after rollback when restarting.
 477
 478 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 479
 480         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 481         (GTM::gtm_thread::try_commit): Changed memory order.
 482         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 483         as parameter.
 484         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 485         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 486         * config/linux/futex_bits.h (sys_futex0): Same.
 487         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 488         * config/linux/futex.h (futex_wait, futex_wake): Same.
 489         * config/linux/rwlock.h (gtm_rwlock::writers,
 490         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 491         ints.
 492         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 493         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 494         gtm_rwlock::write_unlock): Fix memory orders and fences.
 495         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 496         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 497         gtm_rwlock::write_unlock): Same.
 498         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 499         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 500         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 501         Add comments.
 502         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 503         gl_wt_dispatch::load, gl_wt_dispatch::store,
 504         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 505         orders and fences.  Add comments.
 506
 507 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 508
 509         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 510         * Makefile.in: Regenerated.
 511
 512 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 513
 514         * configure.tgt: Add sh* case.
 515         * config/sh/target.h: New file.
 516         * config/sh/sjlj.S: New file.
 517         * config/linux/sh/futex_bits.h: New file.
 518
 519 2011-12-14  Richard Henderson  <rth@redhat.com>
 520
 521         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 522         * config/arm/sjlj.S, config/arm/target.h: New files.
 523         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 524         (cfi_rel_offset): New.
 525         * config/linux/futex_bits.h: New file.
 526         * config/linux/futex.cc: Include futex_bits.h here...
 527         * config/linux/futex.h: ... not here.
 528         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 529         * configure.ac (ARCH_AM): New conditional.
 530         * Makefile.in, configure: Rebuild.
 531         * configure.tgt: Handle ARM.
 532
 533 2011-12-13  Richard Henderson  <rth@redhat.com>
 534
 535         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 536         signed/unsigned comparison werror.
 537
 538         * local_atomic: New file.
 539         * libitm_i.h: Include it.
 540         (gtm_thread::shared_state): Use atomic template.
 541         * beginend.cc (GTM::gtm_clock): Use atomic template.
 542         (global_tid): Use atomic template if 64-bit atomics available.
 543         (gtm_thread::gtm_thread): Update shared_state access.
 544         (gtm_thread::trycommit): Likewise.
 545         (choose_code_path): Update global_tid access.
 546         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 547         * stmlock.h (GTM::gtm_clock): Use atomic template.
 548         (gtm_get_clock, gtm_inc_clock): Update accesses.
 549         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 550         redundant __sync_synchronize after atomic shared_state access.
 551         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 552         (gtm_rwlock::write_lock_generic): Likewise.
 553         (gtm_rwlock::read_unlock): Likewise.
 554         * config/alpha/target.h (atomic_read_barrier): Remove.
 555         (atomic_write_barrier): Remove.
 556         * config/x86/target.h (atomic_read_barrier): Remove.
 557         (atomic_write_barrier): Remove.
 558
 559 2011-11-30  Richard Henderson  <rth@redhat.com>
 560
 561         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 562         * beginend.c (_ITM_abortTransaction): Update to match.
 563         (GTM::gtm_thread::restart): Likewise.
 564         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 565         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 566
 567 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 568
 569         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 570         * Makefile.in: Regenerate.
 571
 572 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 573
 574         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 575         * alloc_cpp.cc: Generate dummy functions if we don't
 576         HAVE_ELF_STYLE_WEAKREF.
 577         * eh_cpp.cc: Likewise.
 578         * configure: Regenerate.
 579         * aclocal.m4:  Likewise.
 580         * config.h.in: Likewise.
 581         * Makefile.in: Likewise.
 582         * testsuite/Makefile.in: Likewise.
 583
 584 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 585
 586         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 587         __USER_LABEL_PREFIX__ for targets that use it.
 588         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 589         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 590         in portability to non-elf targets.
 591         (GTM_longjmp): Likewise.
 592         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 593         where required.
 594
 595 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 596
 597         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 598         * testsuite/libitm.c/memset-1.c: Likewise.
 599
 600 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 601
 602         * configure: Regenerate.
 603
 604 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 605
 606         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 607         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 608         * Makefile.am: Handle sun style versioning.
 609         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 610         * configure: Regenerate.
 611         * Makefile.in: Regenerate.
 612
 613 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 614
 615         * config/generic/asmcfi.h: Fix comment.
 616         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 617         sequence without .hidden support, error for non-ELF targets.
 618         (GTM_longjmp) [__ELF__]: Only use .hidden if
 619         HAVE_ATTRIBUTE_VISIBILITY.
 620
 621 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 622
 623         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 624         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 625         Dummy functions.
 626         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 627         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 628
 629 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 630
 631         PR bootstrap/51098
 632         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 633         * configure: Regenerate.
 634
 635 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 636
 637         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 638
 639 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 640
 641         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 642         .hidden.
 643         (.note.GNU-stack): Only use if __linux__.
 644         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 645         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 646         * testsuite/libitm.c/reentrant.c: Likewise.
 647         * testsuite/libitm.c/simple-2.c: Likewise.
 648         * testsuite/libitm.c/txrelease.c: Likewise.
 649         * testsuite/libitm.c++/static_ctor.C: Likewise.
 650
 651 2011-11-10  Richard Henderson  <rth@redhat.com>
 652
 653         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 654         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 655         * configure.ac (ARCH_X86_AVX): New conditional.
 656         * Makefile.in, configure: Rebuild.
 657
 658 2011-11-09  Richard Henderson  <rth@redhat.com>
 659
 660         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 661         * configure.ac: Use it.
 662         * config.h.in, configure: Rebuild.
 663         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 664
 665 2011-11-09  Richard Henderson  <rth@redhat.com>
 666
 667         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 668         * config/alpha/unaligned.h: Remove file.
 669         * config/generic/unaligned.h: Remove file.
 670         * config/x86/unaligned.h: Remove file.
 671         * config/generic/cachepage.h: Remove file.
 672         * config/posix/cachepage.cc: Remove file.
 673         * config/generic/cacheline.cc: Remove file.
 674         * config/x86/cacheline.cc: Remove file.
 675         * config/generic/cacheline.h (gtm_cacheline): Remove the
 676         store_mask, copy_mask, copy_mask_wb methods.
 677         * config/x86/cacheline.h: Likewise.
 678         * config/alpha/cacheline.h: Fall back to generic after setting size.
 679         * config/generic/tls.cc (gtm_mask_stack): Remove.
 680         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 681         (GTM_vpalignr_table): Remove.
 682         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 683         (GTM_pshift_table): Remove.
 684         * config/libitm_i.h: Don't include cachepage.h.
 685         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 686         * Makefile.in, testsuite/Makefile.in: Rebuild.
 687
 688 2011-11-09  Richard Henderson  <rth@redhat.com>
 689
 690         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 691         to emit branch prediction hint.
 692
 693         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 694         Protect .note.GNU-stack with __linux__.
 695
 696         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 697         * configure, aclocal.m4, config.h.in: Rebuild.
 698         * config/generic/asmcfi.h: New file.
 699         * config/x86/sjlj.S: Use it.
 700
 701 2011-11-08  Richard Henderson  <rth@redhat.com>
 702
 703         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 704
 705 2011-11-08  Richard Henderson  <rth@redhat.com>
 706
 707         * configure.tgt: Test correct directory for supported cpus.
 708
 709         * configure.ac: Exit if unsupported.
 710         * configure: Rebuild.
 711         * configure.tgt: Delete boilerplate from libgomp for unsupported
 712         targets.  Set UNSUPPORTED for unsupported targets.
 713
 714 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 715
 716         * configure.tgt: Handle i386 like i[456]86.
 717         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 718         take address.
 719         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 720         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 721
 722 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 723
 724         * method-wbetl.cc: Update copyright notice.
 725         * aatree.cc: Same.
 726         * util.cc: Same.
 727         * libitm.h: Same.
 728         * memset.cc: Same.
 729         * eh_cpp.cc: Same.
 730         * barrier.tpl: Same.
 731         * useraction.cc: Same.
 732         * stmlock.h: Same.
 733         * memcpy.cc: Same.
 734         * common.h: Same.
 735         * config/generic/tls.cc: Same.
 736         * config/generic/cacheline.h: Same.
 737         * config/generic/cachepage.h: Same.
 738         * config/generic/cacheline.cc: Same.
 739         * config/generic/unaligned.h: Same.
 740         * config/x86/cacheline.h: Same.
 741         * config/x86/cacheline.cc: Same.
 742         * config/x86/unaligned.h: Same.
 743         * config/alpha/cacheline.h: Same.
 744         * config/alpha/unaligned.h: Same.
 745         * config/alpha/sjlj.S: Same.
 746         * config/posix/cachepage.cc: Same.
 747         * config/linux/futex.h: Same.
 748         * config/linux/alpha/futex_bits.h: Same.
 749
 750 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 751
 752         * libitm.texi: No cover text and invariant sections.
 753
 754 2011-11-03  Richard Henderson  <rth@redhat.com>
 755
 756         * local_type_traits: New file.
 757         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 758
 759 2011-11-03  Richard Henderson  <rth@redhat.com>
 760
 761         * configure.ac: Don't test for gfortran.
 762         * configure: Rebuild.
 763
 764         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 765         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 766
 767 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 768
 769         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 770         * testsuite/libitm.c/memset-1.c: Same.
 771         * testsuite/libitm.c/c.exp: Same.
 772         * testsuite/lib/libitm-dg.exp: Same.
 773         * testsuite/lib/libitm.exp: Same.
 774         * testsuite/libitm.c++/c++.exp: Same.
 775
 776 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 777
 778         * testsuite/config/default.exp: Update copyright date.
 779         * configure.ac: Add copyright info.
 780         * configure.tgt: Same.
 781
 782 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 783
 784         * testsuite/libitm.c/reentrant.c: XFAIL.
 785         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 786
 787 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 788
 789         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 790         handle aborts.
 791         (_ITM_abortTransaction): Handle aborts of outer transactions.
 792         * libitm_i.h: Same.
 793         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 794         * libitm.texi: Document aborts of outer transactions.
 795         * testsuite/libitm.c/cancel.c: New file.
 796
 797 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 798
 799         * testsuite/*: Change __transaction to __transaction_atomic or
 800         __transaction_relaxed.
 801
 802 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 803
 804         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 805         (gtm_thr): Same.
 806
 807 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 808
 809         * libitm_i.h: Add gl_wt dispatch.
 810         * retry.cc (parse_default_method): Same.
 811         * method-gl.cc: New file.
 812         * Makefile.am: Use method-gl.cc.
 813         * Makefile.in: Rebuild.
 814
 815 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 816
 817         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 818         safety if requested by a TM method.
 819         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 820         privatization safety.
 821         * method-serial.cc: Same.
 822
 823 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 824
 825         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 826         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 827         undolog-related member functions from *_local to *_undolog.
 828         * local.cc (gtm_thread::commit_undolog): Same.
 829         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 830         (GTM::gtm_thread::rollback): Roll back undolog before
 831         dispatch-specific rollback.
 832
 833 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 834
 835         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 836         re-initialization of the current method group.
 837         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 838
 839 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 840
 841         * alloc.cc (commit_allocations_2): Do not free transaction-local
 842         memory when committing a nested transaction.
 843
 844 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 845
 846         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 847         serial-irrevocable dispatch, not serial.
 848
 849 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 850
 851         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 852         declarations.
 853         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 854         * method-serial.cc: Implement begin_or_restart().
 855         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 856         dispatch-specific begin_or_restart().
 857         (GTM::gtm_thread::restart): Same.
 858
 859 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 860
 861         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 862         restarting without switching to serial mode.
 863         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 864         transaction state. Choose closed-nesting alternative if available.
 865         (GTM::gtm_thread::set_default_dispatch): New.
 866         (parse_default_method): New.
 867         (GTM::gtm_thread::number_of_threads_changed): New.
 868         * method-serial.cc (GTM::serial_mg): New method group class.
 869         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 870         fini.
 871         (GTM::serial_dispatch): Same.
 872         (GTM::serialirr_onwrite_dispatch): Same.
 873         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 874         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 875         registered threads.
 876         (GTM::gtm_thread::gtm_thread): Same.
 877         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 878         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 879         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 880         choose dispatch but set state according to dispatch here.
 881         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 882         (GTM::method_group): New class.
 883         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 884         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 885         * libitm.texi: Document TM methods, method groups, method life cycle.
 886         Rename method sets to method groups.
 887
 888 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 889
 890         * config/x86/tls.h: Moved to ...
 891         * config/linux/x86/tls.h: ... here.
 892
 893 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 894
 895         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 896         Add X32 support.
 897         * config/x86/sjlj.S: Same.
 898
 899 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 900
 901         * config/linux/rwlock.h: New file.
 902         * config/linux/rwlock.c: New file.
 903         * configure.ac: Reenable futex support (undo SVN rev 157758).
 904         * Makefile.am: Same.
 905         * configure.tgt: Same.
 906         * config/linux/alpha/futex_bits.h: Same.
 907         * config/linux/futex.h: Same. Return number of woken processes.
 908         * config/linux/futex.cc: Same.
 909         (futex_wait): Remove spinning.
 910         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 911         Use __x86_64__ instead of __LP64__.
 912         * aclocal.m4: Include generic futex checks.
 913         * configure: Rebuild.
 914         * Makefile.in: Rebuild.
 915         * testsuite/Makefile.in: Rebuild.
 916         * beginend.cc: Include pthread.h.
 917         * config/posix/cachepage.cc: Same.
 918
 919 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 920
 921         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 922         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 923         (set_gtm_thr): New.
 924         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 925         (set_gtm_thr): New.
 926         (GTM::gtm_thread::thread_num): Removed.
 927         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 928         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 929         tx-to-thread renaming.
 930         * beginend.cc: Adapted to tx-to-thread renaming.
 931         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 932         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 933         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 934         gtm_transaction to gtm_thread.
 935         (_ITM_getThreadnum): Removed. Not supported anymore.
 936         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 937         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 938         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 939         gtm_tx-to-gtm_thr renaming if necessary.
 940         * eh_cpp.cc: Same.
 941         * local.cc: Same.
 942         * retry.cc: Same.
 943         * clone.cc: Same.
 944         * alloc.cc: Same.
 945         * alloc_c.cc: Same.
 946         * alloc_cpp.cc: Same.
 947         * method-serial.cc: Same.
 948         * config/generic/tls.cc: Same.
 949         * config/posix/rwlock.h (gtm_rwlock): Same.
 950         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 951
 952 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 953
 954         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 955         implementation.
 956         (gtm_rwlock::read_unlock): Same.
 957         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 958         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 959         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 960         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 961         w_upgrade. Replaced by per-transaction flags (in shared_state).
 962         Added c_confirmed_writers.
 963         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 964         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 965         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 966         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 967         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 968         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 969         * libitm.texi: Document locking conventions and implementations in
 970         libitm.
 971
 972 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 973
 974         * libitm_i.h (next_tx): Add list of all threads' transaction.
 975         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 976         transaction with list of transactions and ...
 977         (thread_exit_handler): ... deregister here.
 978         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 979         * config/x86/target.h: Same.
 980
 981 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 982
 983         * testsuite/libitm.c++/static_ctor.C: New file.
 984
 985 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 986
 987         * testsuite/libitm.c/reentrant.c: New file.
 988
 989 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 990
 991         * config/generic/tls.h: Remove the free list for transactions and ...
 992         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 993         (GTM::gtm_transaction::operator delete): ... and release here.
 994         (thread_exit_handler): New. Delete tx when thread terminates.
 995         (thread_exit_init): New.
 996         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 997         * testsuite/libitm.c/txrelease.c: New file.
 998
 999 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1000
1001         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1002         * testsuite/libitm.c/notx.c: New file.
1003
1004 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1005
1006         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1007         * libitm_i.h (local_tid): ... to here.
1008         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1009         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1010
1011 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1012
1013         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1014         serialirr_onwrite_dispatch as new default for now.
1015         * method-serial.cc (serialirr_onwrite_dispatch): New.
1016         (GTM::dispatch_serialirr_onwrite): New.
1017         * libitm_i.h: Same.
1018
1019 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1020
1021         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1022         * query.cc (_ITM_getTransactionId): There is no active transaction if
1023         the current nesting level is zero.
1024
1025 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1026
1027         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1028         rollback.
1029
1030 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1031
1032         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1033         transaction properties from the caller instead of from the
1034         transaction object.
1035         * libitm_i.h: Same.
1036         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1037
1038 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1039
1040         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1041         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1042         * dispatch.h: Same.
1043         * method-serial.cc: Same.
1044         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1045         flat nesting as default, and closed nesting on demand.
1046         (GTM::gtm_transaction::rollback): Same.
1047         (_ITM_abortTransaction): Same.
1048         (GTM::gtm_transaction::restart): Same.
1049         (GTM::gtm_transaction::trycommit): Same.
1050         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1051         (choose_code_path): New.
1052         (GTM::gtm_transaction_cp::save): New.
1053         (GTM::gtm_transaction_cp::commit): New.
1054         * query.cc (_ITM_inTransaction): Support flat nesting.
1055         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1056         (GTM::gtm_transaction): Support flat and closed nesting.
1057         * alloc.cc (commit_allocations_2): New.
1058         (commit_cb_data): New helper struct.
1059         (GTM::gtm_transaction::commit_allocations): Handle nested
1060         commits/rollbacks.
1061         * libitm.texi: Update user action section, add description of nesting.
1062
1063 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1064
1065         * libitm_i.h: Add closed nesting as restart reason.
1066         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1067
1068 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1069
1070         * useraction.cc: Use vector instead of list to store actions.
1071         Also support partial rollbacks for closed nesting.
1072         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1073         * beginend.cc: Same.
1074
1075 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1076
1077         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1078         closed_nesting flags, as well as a closed nesting alternative.
1079         * method-serial.cc: Same.
1080         (serial_dispatch): Renamed to serialirr_dispatch.
1081         (GTM::dispatch_serialirr): Same.
1082         (serial_dispatch_ul): Renamed to serial_dispatch.
1083         (GTM::dispatch_serial): Same.
1084
1085 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1086
1087         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1088
1089 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1090
1091         * aatree.h (aa_tree::remove): New.
1092         (aa_tree::operator new): Add placement new.
1093
1094 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1095
1096         * containers.h: New file.
1097         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1098         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1099         * common.h: ... to here.
1100         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1101         * local.cc: Same.
1102
1103 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1104
1105         * libitm_i.h (STATE_ABORTING): Remove.
1106         * beginend.cc (_ITM_abortTransaction): Same.
1107         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1108         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1109         (_ITM_rollbackTransaction): Remove.
1110         * beginend.cc: Same.
1111         * libitm.map: Same.
1112         * libitm.texi: Document these ABI changes.
1113
1114 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1115
1116         * libitm.texi: New file.
1117         * Makefile.am: Add libitm.texi.
1118         * Makefile.in: Rebuild.
1119
1120 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1121
1122         * libitm_i.h: Move parts to common.h and dispatch.h.
1123         * common.h: New file.
1124         * dispatch.h: New file, new dispatch class.
1125         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1126         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1127         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1128         decision to retry.cc.
1129         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1130         only.
1131         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1132         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1133         logging.
1134         * barrier.cc: Use new barriers definitions.
1135         (abi_dispatch::memmove_overlap_check): New.
1136         * config/x86/x86_sse.cc: Same.
1137         * config/x86/x86_avx.cc: Same.
1138         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1139         memcpy.cc.
1140         * Makefile.in: Rebuild.
1141         * method-readonly.cc: Remove.
1142         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1143         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1144
1145 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1146
1147         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1148         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1149         * testsuite/libitm.c/dropref-2.c: Same.
1150         * testsuite/libitm.c/dropref.c: Same.
1151
1152 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1153
1154         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1155         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1156         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1157         * alloc_c.cc: Same.
1158         * barrier.tpl: Same.
1159         * beginend.c: Same.
1160         * config/generic/tls.h: Same.
1161         * config/x86/tls.h: Same.
1162         * libitm_i.h: Same.
1163         * memcpy.cc: Same.
1164         * memset.cc: Same.
1165         * method-readonly.cc: Same.
1166         * method-serial.cc: Same.
1167         * method-wbetl.cc: Same.
1168         * retry.cc: Same.
1169
1170 2011-03-03  Richard Henderson  <rth@redhat.com>
1171
1172         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1173         From Patrik Marlier <patrick.marlier@unine.ch>.
1174
1175 2011-02-03  Richard Henderson  <rth@redhat.com>
1176
1177         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1178         * configure.ac: Use it.
1179         * configure, config.h.in: Rebuild.
1180         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1181         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1182         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1183         * libitm.map: Use wildcards to match size_t mangling.
1184
1185 2010-12-14  Richard Henderson  <rth@redhat.com>
1186
1187         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1188         blocks of TIDs per thread.
1189         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1190         (setup_gtm_thr): Return the thread structure.
1191         * config/x86/tls.h (setup_gtm_thr): Likewise.
1192
1193 2010-12-14  Richard Henderson  <rth@redhat.com>
1194
1195         * clone.cc (table_lock): Remove.
1196         (find_clone): Don't take it.
1197         (ExcludeTransaction): New helper class.
1198         (_ITM_registerTMCloneTable): Use it.
1199         (_ITM_deregisterTMCloneTable): Likewise.
1200
1201 2010-12-14  Richard Henderson  <rth@redhat.com>
1202
1203         * config/x86/tls.h: New file.
1204
1205 2010-07-15  Richard Henderson  <rth@redhat.com>
1206
1207         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1208         * Makefile.in: Rebuild.
1209
1210 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1211
1212         * method-wbetl.cc (trydropreference): Fix source line.
1213
1214 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1215
1216         * libitm.h: Add comment.
1217         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1218
1219 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1220
1221         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1222         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1223         available, use pthread mutexes.
1224         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1225         * config.h.in: Regenerate.
1226         * configure: Regenerate.
1227
1228 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1229
1230         * libitm.h (ITM_PURE): Define.
1231         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1232
1233 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1234
1235         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1236         (validate): Add comment.
1237         (trydropreference): New.
1238         * method-readonly.cc (class readonly_dispatch): Add
1239         trydropreference.
1240         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1241         Call trydropreference().
1242         * libitm.h (_ITM_dropReferences): Remove const attribute.
1243         * method-serial.cc (class serial_dispatch): Add trydropreference.
1244         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1245
1246 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1247
1248         * memcpy.cc (do_memcpy): Comment.
1249
1250 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1251
1252         * barrier.tpl: Add comments throughout.
1253
1254 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1255
1256         * method-wbetl.cc (struct w_entry): Add comments.
1257         (trycommit): Same.
1258         (rollback): Same.
1259
1260 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1261
1262         * alloc_c.cc (_ITM_dropReferences): New.
1263         * libitm.map (_ITM_dropReferences): Add.
1264         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1265         * libitm_i.h (struct gtm_transaction): Declare
1266         drop_references_allocations and drop_references_local.
1267         * local.cc (rollback_local): Ignore memory when applicable.
1268         (drop_references_local): New.
1269
1270 2010-06-23  Richard Henderson  <rth@redhat.com>
1271
1272         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1273         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1274         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1275         * config/alpha/target.h: Likewise.
1276         * config/generic/tls.cc (gtm_mask_stack): Use it.
1277
1278 2010-06-23  Richard Henderson  <rth@redhat.com>
1279
1280         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1281         a mutex instead of trying a lock-free compare-and-swap on the list.
1282         (gtm_cacheline_page::operator delete): Likewise.
1283
1284 2010-06-16  Richard Henderson  <rth@redhat.com>
1285
1286         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1287         that overlap the libitm stack.
1288         * barrier.tpl: Mark incoming stack.
1289         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1290         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1291         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1292         * memcpy.cc, memset.cc: Likewise.
1293         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1294         * config/generic/tls.h (gtm_thread): Add stack_top member.
1295         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1296         * libitm_i.h (gtm_mask_stack): Declare.
1297         * config/generic/tls.cc: New file.
1298         * Makefile.am (libitm_la_SOURCES): Add it.
1299         (AM_CXXFLAGS): Turn off exceptions.
1300         * Makefile.in: Rebuild.
1301
1302 2010-06-16  Richard Henderson  <rth@redhat.com>
1303
1304         * alloc.cc (struct gtm_alloc_action): Move definition ...
1305         * libitm_i.h: ... here.
1306         (class gtm_transaction): Declare new and delete.
1307         * beginend.cc (alloc_tx): Reformulate as operator new.
1308         (free_tx): Reformulate as operator delete.
1309         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1310
1311 2010-06-11  Richard Henderson  <rth@redhat.com>
1312
1313         * clone.cc (clone_entry_compare): Fix typo.
1314         From Patrik Marlier <patrick.marlier@unine.ch>.
1315
1316 2010-05-13  Richard Henderson  <rth@redhat.com>
1317
1318         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1319         in extern "C".
1320
1321 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * libitm_i.h (struct gtm_transaction): Remove
1324         get_allocation_size.
1325         (record_allocation): Remove size parameter.
1326         * libitm.map (_ITM_realloc): Remove.
1327         * alloc_c.cc (_ITM_realloc): Remove.
1328         (_ITM_malloc): Remove size argument to record_allocation.
1329         (_ITM_calloc): Same.
1330         * alloc_cpp.cc (_ZGTtnwm): Same.
1331         (_ZGTtnwmRKSt9nothrow_t): Same.
1332         (_ZGTtnam): Same.
1333         (_ZGTtnamRKSt9nothrow_t): Same.
1334         * alloc.cc (struct gtm_alloc_action): Remove size.
1335         (get_allocation_size): Remove.
1336         (commit_allocations): Add comment.
1337         (record_allocation): Remove size parameter.
1338         (forget_allocation): Remove set of size.
1339
1340 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1341
1342         * Makefile.am (abi_version): New.
1343         (AM_CXXFLAGS): Pass abi_version.
1344         * Makefile.in: Regenerate.
1345         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1346
1347 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1348
1349         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1350         _ITM_getTMCloneOrIrrevokable.
1351         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1352         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1353
1354 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1355
1356         * configure.ac: Remove Linux futex support.
1357         * configure.tgt (config_path): Same.
1358         * Makefile.am: Same.
1359         * config/linux: Remove entire directory.
1360         * configure: Rebuild.
1361         * Makefile.in: Rebuild.
1362         * testsuite/Makefile.in: Rebuild.
1363
1364 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1365
1366         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1367         switching to serial mode.
1368         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1369
1370 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1371
1372         * configure.tgt: Add emacs -*- tags.
1373         * barrier.tpl: Same.
1374
1375 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1376
1377         * Makefile.am: Rename serial.cc to method-serial.cc.
1378         * Makefile.in: Regenerate with automake 1.11.1.
1379         * testsuite/Makefile.in: Same.
1380         * aclocal.m4: Regenerate with aclocal 1.11.1.
1381         * method-serial.cc: Rename from serial.cc.
1382         * libitm_i.h (struct gtm_transaction): Update comment on
1383         serialirr_mode.
1384
1385 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1386
1387         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1388         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1389
1390 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1391
1392         * configure: Rebuild.
1393
1394 2009-11-12  Richard Henderson  <rth@redhat.com>
1395
1396         * Rewrite everything in C++.
1397
1398 2009-11-03  Richard Henderson  <rth@redhat.com>
1399
1400         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1401         * Makefile.am (libitm_la_SOURCES): Add them.
1402         * configure.ac (ARCH_X86): New conditional.
1403         * Makefile.in, configure: Rebuild.
1404         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1405         Move futex setup into "other system configury" case.
1406         * local.c (rollback_local): Merge into ...
1407         (GTM_rollback_local): ... here.
1408         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1409         (_ITM_LB): Define as an alias to GTM_LB.
1410
1411 2009-11-03  Richard Henderson  <rth@redhat.com>
1412
1413         * method-readonly.c: New file.
1414         * Makefile.am (libitm_la_SOURCES): Add it.
1415         * Makefile.in: Rebuild.
1416         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1417         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1418         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1419         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1420         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1421         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1422         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1423         gtm_get_clock, gtm_inc_clock): New.
1424         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1425         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1426         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1427         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1428         replace uses with new libitm_i.h symbols.
1429         (dispatch_wbetl): Rename from wbetl_dispatch.
1430         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1431         away from dispatch_readonly; abort if the beginTransaction call
1432         asserted that the transaction was readonly.
1433
1434 2009-11-03  Richard Henderson  <rth@redhat.com>
1435
1436         * memset.c: New file.
1437         * Makefile.am (libitm_la_SOURCES): Add it.
1438         * Makefile.in: Rebuild.
1439         * testsuite/libitm.c/memset-1.c: New.
1440
1441 2009-11-03  Richard Henderson  <rth@redhat.com>
1442
1443         * dispatch.c: Remove file.
1444         * useraction.c (struct gtm_user_action): Move from libitm.h.
1445         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1446         (serial_memset, serial_memmove, serial_memcpy): Remove.
1447         (serial_W*, serial_R*): Remove.
1448         (serial_dispatch): Update to match.
1449         * configure.ac: Move Werror down below configure checks.  Don't
1450         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1451         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1452         Use GCC_AC_FUNC_MMAP_BLACKLIST
1453         * libitm.h: Split out all internal items to...
1454         * libitm_i.h: ... here.  New file.
1455         * copymask.c: New file.
1456         * local.c (struct gtm_local_undo): Move from libitm.h.
1457         (GTM_alloc_local): Rename from alloc_local; export.
1458         * memcpy.c: New file.
1459         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1460         * config/posix/page.c: New file.
1461         * config/posix/target_tls.h: Remove file.
1462         * barrier.c: New file.
1463         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1464         copymask.c, page.c.
1465         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1466         * method-wbetl.c: Rewrite for new cacheline methods.
1467         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1468
1469         * config/alpha/sjlj.S: Fix typo.
1470         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1471         * config/alpha/copymask.c: New file.
1472         * config/alpha/target.h (CACHELINE_SIZE): New.
1473         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1474
1475         * config/x86/target_i.h: Copy functions from x86/target.h.
1476         * config/x86/copymask.c: New file.
1477         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1478         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1479         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1480         * config/x86/target_tls.h: Move contents to target_i.h.
1481
1482         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1483         * testsuite/libitm.c/memcpy-1.c: New.
1484
1485 2009-10-22  Richard Henderson  <rth@redhat.com>
1486
1487         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1488         (AM_CCASFLAGS): New.
1489         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1490         saving/restoring _AC_ARG_VAR_PRECIOUS.
1491         * Makefile.in, aclocal.m4, config.h.in, configure,
1492         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1493
1494 2009-10-22  Richard Henderson  <rth@redhat.com>
1495
1496         * testsuite/*: Update for new compiler syntax.
1497
1498 2009-10-21  Richard Henderson  <rth@redhat.com>
1499
1500         * libitm.h (_ITM_abortReason): Add outerAbort.
1501
1502 2009-08-03  Richard Henderson  <rth@redhat.com>
1503
1504         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1505         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1506         * method-wbetl.c (struct w_entry): Remove mask.
1507         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1508         adjust all callers.
1509
1510 2009-07-22  Richard Henderson  <rth@redhat.com>
1511
1512         * eh_cpp.c: New file.
1513         * Makefile.am (libitm_la_SOURCES): Add it.
1514         * Makefile.in: Rebuild.
1515         * beginend.c (GTM_rollback_transaction): Undo exception state.
1516         (GTM_trycommit_transaction): Mark inline.
1517         (GTM_trycommit_and_finalize_transaction): Split out from ...
1518         (_ITM_commitTransaction): ... here.
1519         (_ITM_commitTransactionEH): New function.
1520         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1521         cxa_unthrown, eh_in_flight; reorder.
1522
1523         * testsuite/libitm.c++/c++.exp: New.
1524         * testsuite/libitm.c++/eh-1.C: New.
1525
1526         * aatree.c (aa_free): Remove REGPARM.
1527         * aatree.h: Remove all REGPARM.
1528
1529 2009-07-18  Richard Henderson  <rth@redhat.com>
1530
1531         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1532         * Makefile.am (libitm_la_SOURCES): Add them.
1533         * Makefile.in: Rebuild.
1534         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1535         (GTM_trycommit_transaction): Likewise.
1536         * libitm.h: Include aatree.h
1537         (struct gtm_alloc_action): New.
1538         (struct gtm_transaction): Add alloc_actions.
1539         (GTM_record_allocation, GTM_forget_allocation): Declare.
1540         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1541         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1542         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1543         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1544         _ZGTtdaPvRKSt9nothrow_t): Export.
1545
1546 2009-07-18  Richard Henderson  <rth@redhat.com>
1547
1548         * target_tls.h: Move ...
1549         * config/posix/target_tls.h: ... here.
1550
1551 2009-07-07  Richard Henderson  <rth@redhat.com>
1552
1553         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1554
1555 2009-07-07  Richard Henderson  <rth@redhat.com>
1556
1557         * Update to GPL3.
1558
1559 2009-07-07  Richard Henderson  <rth@redhat.com>
1560
1561         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1562         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1563
1564         * configure.tgt: Don't use -ftls-model for x86 linux.
1565         * libitm.h: Include target.h after standard includes.
1566         (_gtm_thr): Rename from gtm_thr.
1567         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1568         (gtm_disp, set_gtm_disp): New.
1569         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1570         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1571         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1572
1573 2009-07-07  Richard Henderson  <rth@redhat.com>
1574
1575         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1576
1577 2009-07-06  Richard Henderson  <rth@redhat.com>
1578
1579         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1580         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1581         (_ITM_beginTransaction): Take variadic arguments.
1582         (_ITM_registerThrownObject): Declare.
1583         * beginend.c, serial.c: Update.
1584         * libitm.map: Add _ITM_registerThrownObject.
1585
1586 2009-01-28  Richard Henderson  <rth@redhat.com>
1587
1588         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1589         * Makefile.in: Rebuild.
1590         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1591         (GTM_restart_transaction): Fix uninstrumented code check.
1592         * retry.c (GTM_decide_retry_strategy): Add serial check.
1593         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1594         automatically go irrevokable when in serial mode.
1595         * clone.c: New file.
1596         * libitm.h, libitm.map: Update.
1597
1598 2009-01-27  Richard Henderson  <rth@redhat.com>
1599
1600         * Makefile.am (LTCCASCOMPILE): Define.
1601         (libitm_la_SOURCES): Add methid-wbetl.c.
1602         * testsuite/Makefile.am: New
1603         * configure.ac: Add testsuite/Makefile.
1604         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1605         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1606         (_ITM_abortTransaction): Finalize implementation method; pass
1607         transaction properties to longjmp.
1608         (GTM_restart_transaction): Split out from ...
1609         (_ITM_commitTransaction): ... here.
1610         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1611         Move to config/x86/target.h.
1612         * config/linux/alpha/futex_bits.h: New.
1613         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1614         * config/x86/target.h: Disable target types for 32-bit.
1615         * config/alpha/sjlj.S, config/alpha/target.h: New.
1616         * libitm.h (struct gtm_dispatch): Add init, fini.
1617         (enum restart_reason): New.
1618         (struct gtm_transaction): Add method and restarts.
1619         * retry.c (GTM_decide_retry_strategy): Implement.
1620         * serial.c (serial_init, serial_fini): New.
1621         (GTM_serialmode): Finialize outgoing method.
1622         * method-wbetl.c: New.
1623
1624 2008-12-09  Richard Henderson  <rth@redhat.com>
1625
1626         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1627         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1628         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1629         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1630         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1631         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1632         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1633         * serial.c (serial_R##T, serial_W##T): Likewise.
1634
1635 2008-11-21  Richard Henderson  <rth@redhat.com>
1636
1637         * Initial commit.