libitm/ChangeLog

   1 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   2
   3         * config/generic/asmcfi.h: Also check for
   4         __GCC_HAVE_DWARF2_CFI_ASM.
   5
   6 2013-04-02  Richard Henderson  <rth@redhat.com>
   7
   8         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
   9         * config/arm/target.h, config/sh/target.h: Likewise.
  10         * config/sparc/target.h, config/x86/target.h: Likewise.
  11
  12 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  13
  14         * config/linux/futex_bits.h: Include errno.h.
  15         (sys_futex0): If syscall returns -1, return -errno rather than
  16         -1.
  17
  18 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  19
  20         * libitm.texi (Index): Rename to Library Index.
  21
  22 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  23
  24         PR libitm/53113
  25         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  26         (x86_avx.lo): Append -mavx to CXXFLAGS.
  27         * Makefile.in: Regenerate.
  28
  29 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  30
  31         Update copyright years
  32
  33 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  34
  35         * libitm.texi: Bump @copying's copyright year.
  36
  37 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  38
  39         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  40         (FUNC): Define ELFv2 variant.
  41         (END): Likewise.
  42         (HIDDEN): Likewise.
  43         (CALL): Likewise.
  44         (BASE): Likewise.
  45         (LR_SAVE): Likewise.
  46
  47 2013-09-20  Alan Modra  <amodra@gmail.com>
  48
  49         * configure: Regenerate.
  50
  51 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  52
  53         * config/posix/rwlock.cc: Fix initialization order.
  54
  55 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  56
  57         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  58         (htm_fastpath): Assign an asm name.
  59         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  60         HTM fast paths.
  61         (_ITM_actions): Likewise.
  62         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  63         x86_64.
  64         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  65         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  66         field to the start of the structure.
  67         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  68         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  69         handling for custom HTM fast paths.
  70
  71 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  72         Revert:
  73         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  74
  75         * configure.tgt: Add -msoft-float to XCFLAGS.
  76
  77 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  78
  79         * configure.tgt: Add -msoft-float to XCFLAGS.
  80
  81 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  82
  83         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  84         (htm_transaction_active): Enable zEC12 instructions in the
  85         assembler.
  86         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  87
  88 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  89
  90         * acinclude.m4: Add htm asm check for s390.
  91         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
  92         * configure: Regenerate.
  93         * config/s390/target.h: Remove __HTM__ check.
  94         (htm_available): Call getauxval to get hwcaps and check whether
  95         HTM is available or not.
  96
  97 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
  98
  99         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 100         * configure.ac: Use it.
 101         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 102         (AC_CHECK_FUNCS): Check for getauxval.
 103         * config.h.in, configure: Rebuild.
 104         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 105         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 106         (USE_HTM_FASTPATH): Define.
 107         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 108         _HTM_RETRIES) New macros.
 109         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 110         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 111
 112 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 113
 114         * config/s390/target.h: Include htmintrin.h.
 115         (_HTM_ITM_RETRIES): New macro definition.
 116         (htm_available, htm_init, htm_begin, htm_begin_success)
 117         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 118
 119 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 120             Cesar Philippidis  <cesar@codesourcery.com>
 121
 122         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 123         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 124         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 125         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 126
 127 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 128
 129         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 130         (_ITM_getTransactionId): Same.
 131         * config/x86/target.h (htm_transaction_active): New.
 132
 133 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 134
 135         PR libitm/57643
 136         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 137         the HTM fastpath.
 138
 139 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 140
 141         PR bootstrap/56714
 142         * local_atomic (__always_inline): Always define our version.
 143         (__calculate_memory_order): Mark inline.
 144         (atomic_thread_fence): Ditto.
 145         (atomic_signal_fence): Ditto.
 146         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 147         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 148         (atomic_bool::atomic_flag_test_and_set): Ditto.
 149         (atomic_bool::atomic_flag_clear): Ditto.
 150
 151 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 152
 153         * config/s390/sjlj.S: New file.
 154         * config/s390/target.h: New file.
 155         * configure.tgt: Set options for S/390.
 156
 157 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 158
 159         * local_atomic (__always_inline): Add.
 160         (__calculate_memory_order, atomic_thread_fence,
 161          atomic_signal_fence, test_and_set, clear, store, load,
 162          exchange, compare_exchange_weak, compare_exchange_strong,
 163          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 164         Add __always_inline to force inlining.
 165
 166 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 167             Jack Howarth  <howarth@bromo.med.uc.edu>
 168             Patrick Marlier  <patrick.marlier@gmail.com>
 169
 170         PR libitm/55693
 171         * alloc_cpp.cc: Enable function declarations on darwin.
 172         * eh_cpp.cc: Likewise.
 173
 174 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 175
 176         Update copyright years.
 177
 178 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 179
 180         * beginend.cc (htm_fastpath): New.
 181         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 182         _ITM_commitTransactionEH): Add HTM fastpath handling.
 183         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 184         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 185         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 186         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 187         * configure.tgt: Add -mrtm to XCFLAGS.
 188         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 189         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 190         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 191         * retry.cc (parse_default_method): Add HTM method parsing.
 192         (gtm_thread::number_of_threads_changed): Use HTM by default if
 193         available.
 194
 195 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 196
 197         * configure: Regenerate.
 198
 199 2012-10-31  Richard Henderson  <rth@redhat.com>
 200
 201         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 202         * configure.ac: Use it.
 203         * config.h.in, configure: Rebuild.
 204         * testsuite/Makefile.in: Rebuild.
 205
 206 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 207
 208         * libitm.texi: Clarify ABI requirements for data-logging functions.
 209
 210 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 211
 212         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 213         it requires serial mode instead of assuming that for certain
 214         dispatchs.
 215         * dispatch.h (abi_dispatch::requires_serial): New.
 216         (abi_dispatch::abi_dispatch): Adapt.
 217         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 218         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 219         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 220         serial_dispatch::serial_dispatch,
 221         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 222
 223 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 224
 225         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 226         and ia32 declarations some more.
 227         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 228
 229 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 230
 231         PR other/43620
 232         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 233         * configure: Regenerate.
 234         * Makefile.in: Regenerate.
 235
 236 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 237
 238         * configure: Regenerated.
 239
 240 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 241
 242         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 243
 244 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 245
 246         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 247
 248 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 249
 250         * configure: Regenerated.
 251
 252 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 253
 254         PR libitm/52854
 255         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 256         for x86-64.
 257
 258 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 259
 260         * configure: Regenerate.
 261
 262 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 263
 264         PR bootstrap/52812
 265         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 266
 267 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 268
 269         * testsuite/lib/libitm.exp: load fortran-modules.exp
 270
 271 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 272
 273         * configure.tgt (*-*-irix6*): Remove.
 274
 275 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 276
 277         PR libitm/52526
 278         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 279         wake-up.
 280
 281 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 282
 283         * configure.tgt (*-*-osf*): Remove.
 284         * configure: Regenerate.
 285
 286 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 287
 288         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 289         memtransfer/memset if size isn't larger than zero.
 290
 291 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 292
 293         * libitm.texi: Link to specification and add a usage example.
 294
 295 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 296
 297         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 298         default dispatch for more than 1 thread to ml_wt.
 299
 300 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 301
 302         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 303
 304 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 305
 306         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 307
 308 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 309
 310         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 311         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 312         (gl_wt_dispatch.rollback): Same.
 313
 314 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 315
 316         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 317
 318 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 319
 320         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 321         for RfW src.  Optimize number of calls to gtm_thr.
 322
 323 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 324
 325         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 326         acquisition to ...
 327         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 328         (default_dispatch): Make atomic.
 329         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 330         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 331         use decide_begin_dispatch() if default_dispatch might have changed.
 332         (GTM::gtm_thread::number_of_threads_changed): Initialize
 333         default_dispatch here.
 334
 335 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 336             Patrick Marlier  <patrick.marlier@gmail.com>
 337
 338         PR libitm/52220
 339         * alloc_cpp.cc: No dummy definitions for darwin.
 340         * eh_cpp.cc: Likewise.
 341
 342 2012-02-14  Richard Henderson  <rth@redhat.com>
 343
 344         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 345
 346 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 347
 348         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 349
 350 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 351
 352         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 353         (GTM::gtm_thread): Add read and write logs.
 354         (GTM::dispatch_ml_wt): Declare.
 355         * retry.cc (parse_default_method): Support ml_wt.
 356         * method-ml.cc: New file.
 357         * Makefile.am: Add method-ml.cc.
 358         * Makefile.in: Regenerate.
 359
 360 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 361
 362         * dispatch.h (GTM::abi_dispatch::supports): New.
 363         (GTM::method_group::reinit): New.
 364         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 365         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 366         supports the current situation.
 367
 368 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 369
 370         * util.cc (GTM::xcalloc): New.
 371         * common.h (GTM::xcalloc): Declare.
 372
 373 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 374
 375         * config/sparc/target.h (cpu_relax): Read from CC register.
 376         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 377
 378 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 379
 380         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 381
 382 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 383
 384         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 385         * config/sparc/cacheline.h: New file.
 386         * config/sparc/target.h: Likewise.
 387         * config/sparc/sjlj.S: Likewise.
 388         * config/linux/sparc/futex_bits.h: Likewise.
 389
 390 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 391
 392         * configure.ac (link_itm): Fix comment.
 393         * configure: Regenerate.
 394         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 395
 396 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 397
 398         PR libitm/51822
 399         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 400         Correct libgomp references.
 401
 402 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 403
 404         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 405         wake-up.
 406
 407 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 408
 409         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 410         end of structure.
 411         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 412         offset values.  Do not copy return address.  Decrement stack
 413         by 56 bytes only.
 414         (GTM_longjump) [__x86_64__]: Update offset values.
 415
 416 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 417
 418         PR libitm/51830
 419         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 420         the first function argument to %eax.
 421
 422 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 423
 424         * libitm.h (_ITM_getThreadnum): Remove.
 425         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 426
 427 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 428
 429         * clearcap.map: New file.
 430         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 431         * configure.ac: Call it.
 432         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 433         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 434         * configure: Regenerate.
 435         * Makefile.in: Regenerate.
 436         * testsuite/Makefile.in: Regenerate.
 437
 438 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 439
 440         PR libitm/51173
 441         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 442         include, exclude options.
 443
 444 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 445
 446         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 447         rolling back.
 448         * containers.h (GTM::vector::set_size): New.
 449
 450 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 451
 452         PR libitm/51855
 453         * config/generic/tls.h (GTM::mask_stack_top): New.
 454         (GTM::mask_stack_bottom): Declare.
 455         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 456         * local.cc (gtm_undolog::rollback): Filter out any updates that
 457         overlap the libitm stack.  Add current transaction as parameter.
 458         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 459         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 460         * testsuite/libitm.c/stackundo.c: New test.
 461
 462 2012-01-10  Richard Henderson  <rth@redhat.com>
 463
 464         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 465         * eh_cpp.cc (_Unwind_DeleteException): Define for
 466         !HAVE_ELF_STYLE_WEAKREF.
 467
 468 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 469
 470         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 471         (GTM::gtm_thread::drop_references_undolog): Remove.
 472         (GTM::gtm_thread::commit_undolog,
 473         GTM::gtm_thread::rollback_undolog): Move to ...
 474         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 475         (GTM::gtm_undolog_entry): Remove.
 476         (GTM::gtm_thread): Adapt.
 477         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 478         (GTM::gtm_thread::trycommit): Adapt.
 479         * method-serial.cc (serial_dispatch::log): Adapt.
 480         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 481         (gl_wt_dispatch::store): Fix likely/unlikely.
 482         * containers.h (GTM::vector::resize): Add additional_capacity
 483         parameter and handle it.
 484         (GTM::vector::resize_noinline): New/adapt.
 485         (GTM::vector::push): New.
 486
 487 2012-01-06  Richard Henderson  <rth@redhat.com>
 488
 489         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 490         * config/linux/powerpc/futex_bits.h: New file.
 491         * config/powerpc/cacheline.h: New file.
 492         * config/powerpc/sjlj.S: New file.
 493         * config/powerpc/target.h: New file.
 494         * config/generic/asmcfi.h (cfi_offset): New.
 495         (cfi_restore, cfi_undefined): New.
 496
 497 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 498
 499         PR other/51171
 500         * testsuite/libitm.c/reentrant.c: Remove xfail.
 501         (thread): Pass x to pure().
 502         From Patrik Marlier <patrick.marlier@gmail.com>.
 503
 504 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 505
 506         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 507         privatization safety if already in serial mode.
 508
 509 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 510
 511         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 512         finish_serial_upgrade parameter.
 513         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 514         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 515         Don't unset reader flag.
 516         (GTM::gtm_rwlock::write_upgrade_finish): New.
 517         * config/posix/rwlock.cc: Same.
 518         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 519         Declare.
 520         * config/posix/rwlock.h: Same.
 521         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 522         flag after commit or after rollback when restarting.
 523
 524 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 525
 526         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 527         (GTM::gtm_thread::try_commit): Changed memory order.
 528         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 529         as parameter.
 530         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 531         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 532         * config/linux/futex_bits.h (sys_futex0): Same.
 533         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 534         * config/linux/futex.h (futex_wait, futex_wake): Same.
 535         * config/linux/rwlock.h (gtm_rwlock::writers,
 536         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 537         ints.
 538         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 539         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 540         gtm_rwlock::write_unlock): Fix memory orders and fences.
 541         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 542         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 543         gtm_rwlock::write_unlock): Same.
 544         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 545         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 546         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 547         Add comments.
 548         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 549         gl_wt_dispatch::load, gl_wt_dispatch::store,
 550         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 551         orders and fences.  Add comments.
 552
 553 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 554
 555         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 556         * Makefile.in: Regenerated.
 557
 558 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 559
 560         * configure.tgt: Add sh* case.
 561         * config/sh/target.h: New file.
 562         * config/sh/sjlj.S: New file.
 563         * config/linux/sh/futex_bits.h: New file.
 564
 565 2011-12-14  Richard Henderson  <rth@redhat.com>
 566
 567         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 568         * config/arm/sjlj.S, config/arm/target.h: New files.
 569         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 570         (cfi_rel_offset): New.
 571         * config/linux/futex_bits.h: New file.
 572         * config/linux/futex.cc: Include futex_bits.h here...
 573         * config/linux/futex.h: ... not here.
 574         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 575         * configure.ac (ARCH_AM): New conditional.
 576         * Makefile.in, configure: Rebuild.
 577         * configure.tgt: Handle ARM.
 578
 579 2011-12-13  Richard Henderson  <rth@redhat.com>
 580
 581         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 582         signed/unsigned comparison werror.
 583
 584         * local_atomic: New file.
 585         * libitm_i.h: Include it.
 586         (gtm_thread::shared_state): Use atomic template.
 587         * beginend.cc (GTM::gtm_clock): Use atomic template.
 588         (global_tid): Use atomic template if 64-bit atomics available.
 589         (gtm_thread::gtm_thread): Update shared_state access.
 590         (gtm_thread::trycommit): Likewise.
 591         (choose_code_path): Update global_tid access.
 592         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 593         * stmlock.h (GTM::gtm_clock): Use atomic template.
 594         (gtm_get_clock, gtm_inc_clock): Update accesses.
 595         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 596         redundant __sync_synchronize after atomic shared_state access.
 597         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 598         (gtm_rwlock::write_lock_generic): Likewise.
 599         (gtm_rwlock::read_unlock): Likewise.
 600         * config/alpha/target.h (atomic_read_barrier): Remove.
 601         (atomic_write_barrier): Remove.
 602         * config/x86/target.h (atomic_read_barrier): Remove.
 603         (atomic_write_barrier): Remove.
 604
 605 2011-11-30  Richard Henderson  <rth@redhat.com>
 606
 607         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 608         * beginend.c (_ITM_abortTransaction): Update to match.
 609         (GTM::gtm_thread::restart): Likewise.
 610         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 611         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 612
 613 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 614
 615         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 616         * Makefile.in: Regenerate.
 617
 618 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 619
 620         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 621         * alloc_cpp.cc: Generate dummy functions if we don't
 622         HAVE_ELF_STYLE_WEAKREF.
 623         * eh_cpp.cc: Likewise.
 624         * configure: Regenerate.
 625         * aclocal.m4:  Likewise.
 626         * config.h.in: Likewise.
 627         * Makefile.in: Likewise.
 628         * testsuite/Makefile.in: Likewise.
 629
 630 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 631
 632         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 633         __USER_LABEL_PREFIX__ for targets that use it.
 634         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 635         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 636         in portability to non-elf targets.
 637         (GTM_longjmp): Likewise.
 638         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 639         where required.
 640
 641 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 642
 643         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 644         * testsuite/libitm.c/memset-1.c: Likewise.
 645
 646 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 647
 648         * configure: Regenerate.
 649
 650 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 651
 652         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 653         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 654         * Makefile.am: Handle sun style versioning.
 655         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 656         * configure: Regenerate.
 657         * Makefile.in: Regenerate.
 658
 659 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 660
 661         * config/generic/asmcfi.h: Fix comment.
 662         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 663         sequence without .hidden support, error for non-ELF targets.
 664         (GTM_longjmp) [__ELF__]: Only use .hidden if
 665         HAVE_ATTRIBUTE_VISIBILITY.
 666
 667 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 668
 669         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 670         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 671         Dummy functions.
 672         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 673         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 674
 675 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 676
 677         PR bootstrap/51098
 678         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 679         * configure: Regenerate.
 680
 681 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 682
 683         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 684
 685 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 686
 687         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 688         .hidden.
 689         (.note.GNU-stack): Only use if __linux__.
 690         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 691         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 692         * testsuite/libitm.c/reentrant.c: Likewise.
 693         * testsuite/libitm.c/simple-2.c: Likewise.
 694         * testsuite/libitm.c/txrelease.c: Likewise.
 695         * testsuite/libitm.c++/static_ctor.C: Likewise.
 696
 697 2011-11-10  Richard Henderson  <rth@redhat.com>
 698
 699         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 700         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 701         * configure.ac (ARCH_X86_AVX): New conditional.
 702         * Makefile.in, configure: Rebuild.
 703
 704 2011-11-09  Richard Henderson  <rth@redhat.com>
 705
 706         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 707         * configure.ac: Use it.
 708         * config.h.in, configure: Rebuild.
 709         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 710
 711 2011-11-09  Richard Henderson  <rth@redhat.com>
 712
 713         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 714         * config/alpha/unaligned.h: Remove file.
 715         * config/generic/unaligned.h: Remove file.
 716         * config/x86/unaligned.h: Remove file.
 717         * config/generic/cachepage.h: Remove file.
 718         * config/posix/cachepage.cc: Remove file.
 719         * config/generic/cacheline.cc: Remove file.
 720         * config/x86/cacheline.cc: Remove file.
 721         * config/generic/cacheline.h (gtm_cacheline): Remove the
 722         store_mask, copy_mask, copy_mask_wb methods.
 723         * config/x86/cacheline.h: Likewise.
 724         * config/alpha/cacheline.h: Fall back to generic after setting size.
 725         * config/generic/tls.cc (gtm_mask_stack): Remove.
 726         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 727         (GTM_vpalignr_table): Remove.
 728         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 729         (GTM_pshift_table): Remove.
 730         * config/libitm_i.h: Don't include cachepage.h.
 731         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 732         * Makefile.in, testsuite/Makefile.in: Rebuild.
 733
 734 2011-11-09  Richard Henderson  <rth@redhat.com>
 735
 736         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 737         to emit branch prediction hint.
 738
 739         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 740         Protect .note.GNU-stack with __linux__.
 741
 742         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 743         * configure, aclocal.m4, config.h.in: Rebuild.
 744         * config/generic/asmcfi.h: New file.
 745         * config/x86/sjlj.S: Use it.
 746
 747 2011-11-08  Richard Henderson  <rth@redhat.com>
 748
 749         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 750
 751 2011-11-08  Richard Henderson  <rth@redhat.com>
 752
 753         * configure.tgt: Test correct directory for supported cpus.
 754
 755         * configure.ac: Exit if unsupported.
 756         * configure: Rebuild.
 757         * configure.tgt: Delete boilerplate from libgomp for unsupported
 758         targets.  Set UNSUPPORTED for unsupported targets.
 759
 760 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 761
 762         * configure.tgt: Handle i386 like i[456]86.
 763         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 764         take address.
 765         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 766         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 767
 768 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 769
 770         * method-wbetl.cc: Update copyright notice.
 771         * aatree.cc: Same.
 772         * util.cc: Same.
 773         * libitm.h: Same.
 774         * memset.cc: Same.
 775         * eh_cpp.cc: Same.
 776         * barrier.tpl: Same.
 777         * useraction.cc: Same.
 778         * stmlock.h: Same.
 779         * memcpy.cc: Same.
 780         * common.h: Same.
 781         * config/generic/tls.cc: Same.
 782         * config/generic/cacheline.h: Same.
 783         * config/generic/cachepage.h: Same.
 784         * config/generic/cacheline.cc: Same.
 785         * config/generic/unaligned.h: Same.
 786         * config/x86/cacheline.h: Same.
 787         * config/x86/cacheline.cc: Same.
 788         * config/x86/unaligned.h: Same.
 789         * config/alpha/cacheline.h: Same.
 790         * config/alpha/unaligned.h: Same.
 791         * config/alpha/sjlj.S: Same.
 792         * config/posix/cachepage.cc: Same.
 793         * config/linux/futex.h: Same.
 794         * config/linux/alpha/futex_bits.h: Same.
 795
 796 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 797
 798         * libitm.texi: No cover text and invariant sections.
 799
 800 2011-11-03  Richard Henderson  <rth@redhat.com>
 801
 802         * local_type_traits: New file.
 803         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 804
 805 2011-11-03  Richard Henderson  <rth@redhat.com>
 806
 807         * configure.ac: Don't test for gfortran.
 808         * configure: Rebuild.
 809
 810         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 811         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 812
 813 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 814
 815         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 816         * testsuite/libitm.c/memset-1.c: Same.
 817         * testsuite/libitm.c/c.exp: Same.
 818         * testsuite/lib/libitm-dg.exp: Same.
 819         * testsuite/lib/libitm.exp: Same.
 820         * testsuite/libitm.c++/c++.exp: Same.
 821
 822 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 823
 824         * testsuite/config/default.exp: Update copyright date.
 825         * configure.ac: Add copyright info.
 826         * configure.tgt: Same.
 827
 828 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 829
 830         * testsuite/libitm.c/reentrant.c: XFAIL.
 831         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 832
 833 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 834
 835         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 836         handle aborts.
 837         (_ITM_abortTransaction): Handle aborts of outer transactions.
 838         * libitm_i.h: Same.
 839         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 840         * libitm.texi: Document aborts of outer transactions.
 841         * testsuite/libitm.c/cancel.c: New file.
 842
 843 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 844
 845         * testsuite/*: Change __transaction to __transaction_atomic or
 846         __transaction_relaxed.
 847
 848 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 849
 850         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 851         (gtm_thr): Same.
 852
 853 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 854
 855         * libitm_i.h: Add gl_wt dispatch.
 856         * retry.cc (parse_default_method): Same.
 857         * method-gl.cc: New file.
 858         * Makefile.am: Use method-gl.cc.
 859         * Makefile.in: Rebuild.
 860
 861 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 862
 863         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 864         safety if requested by a TM method.
 865         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 866         privatization safety.
 867         * method-serial.cc: Same.
 868
 869 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 870
 871         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 872         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 873         undolog-related member functions from *_local to *_undolog.
 874         * local.cc (gtm_thread::commit_undolog): Same.
 875         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 876         (GTM::gtm_thread::rollback): Roll back undolog before
 877         dispatch-specific rollback.
 878
 879 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 880
 881         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 882         re-initialization of the current method group.
 883         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 884
 885 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 886
 887         * alloc.cc (commit_allocations_2): Do not free transaction-local
 888         memory when committing a nested transaction.
 889
 890 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 891
 892         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 893         serial-irrevocable dispatch, not serial.
 894
 895 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 896
 897         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 898         declarations.
 899         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 900         * method-serial.cc: Implement begin_or_restart().
 901         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 902         dispatch-specific begin_or_restart().
 903         (GTM::gtm_thread::restart): Same.
 904
 905 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 906
 907         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 908         restarting without switching to serial mode.
 909         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 910         transaction state. Choose closed-nesting alternative if available.
 911         (GTM::gtm_thread::set_default_dispatch): New.
 912         (parse_default_method): New.
 913         (GTM::gtm_thread::number_of_threads_changed): New.
 914         * method-serial.cc (GTM::serial_mg): New method group class.
 915         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 916         fini.
 917         (GTM::serial_dispatch): Same.
 918         (GTM::serialirr_onwrite_dispatch): Same.
 919         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 920         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 921         registered threads.
 922         (GTM::gtm_thread::gtm_thread): Same.
 923         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 924         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 925         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 926         choose dispatch but set state according to dispatch here.
 927         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 928         (GTM::method_group): New class.
 929         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 930         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 931         * libitm.texi: Document TM methods, method groups, method life cycle.
 932         Rename method sets to method groups.
 933
 934 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 935
 936         * config/x86/tls.h: Moved to ...
 937         * config/linux/x86/tls.h: ... here.
 938
 939 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 940
 941         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 942         Add X32 support.
 943         * config/x86/sjlj.S: Same.
 944
 945 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 946
 947         * config/linux/rwlock.h: New file.
 948         * config/linux/rwlock.c: New file.
 949         * configure.ac: Reenable futex support (undo SVN rev 157758).
 950         * Makefile.am: Same.
 951         * configure.tgt: Same.
 952         * config/linux/alpha/futex_bits.h: Same.
 953         * config/linux/futex.h: Same. Return number of woken processes.
 954         * config/linux/futex.cc: Same.
 955         (futex_wait): Remove spinning.
 956         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 957         Use __x86_64__ instead of __LP64__.
 958         * aclocal.m4: Include generic futex checks.
 959         * configure: Rebuild.
 960         * Makefile.in: Rebuild.
 961         * testsuite/Makefile.in: Rebuild.
 962         * beginend.cc: Include pthread.h.
 963         * config/posix/cachepage.cc: Same.
 964
 965 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 966
 967         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 968         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 969         (set_gtm_thr): New.
 970         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 971         (set_gtm_thr): New.
 972         (GTM::gtm_thread::thread_num): Removed.
 973         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 974         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 975         tx-to-thread renaming.
 976         * beginend.cc: Adapted to tx-to-thread renaming.
 977         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 978         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 979         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 980         gtm_transaction to gtm_thread.
 981         (_ITM_getThreadnum): Removed. Not supported anymore.
 982         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 983         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 984         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 985         gtm_tx-to-gtm_thr renaming if necessary.
 986         * eh_cpp.cc: Same.
 987         * local.cc: Same.
 988         * retry.cc: Same.
 989         * clone.cc: Same.
 990         * alloc.cc: Same.
 991         * alloc_c.cc: Same.
 992         * alloc_cpp.cc: Same.
 993         * method-serial.cc: Same.
 994         * config/generic/tls.cc: Same.
 995         * config/posix/rwlock.h (gtm_rwlock): Same.
 996         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 997
 998 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 999
1000         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1001         implementation.
1002         (gtm_rwlock::read_unlock): Same.
1003         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1004         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1005         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1006         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1007         w_upgrade. Replaced by per-transaction flags (in shared_state).
1008         Added c_confirmed_writers.
1009         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1010         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1011         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1012         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1013         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1014         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1015         * libitm.texi: Document locking conventions and implementations in
1016         libitm.
1017
1018 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1019
1020         * libitm_i.h (next_tx): Add list of all threads' transaction.
1021         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1022         transaction with list of transactions and ...
1023         (thread_exit_handler): ... deregister here.
1024         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1025         * config/x86/target.h: Same.
1026
1027 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1028
1029         * testsuite/libitm.c++/static_ctor.C: New file.
1030
1031 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1032
1033         * testsuite/libitm.c/reentrant.c: New file.
1034
1035 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1036
1037         * config/generic/tls.h: Remove the free list for transactions and ...
1038         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1039         (GTM::gtm_transaction::operator delete): ... and release here.
1040         (thread_exit_handler): New. Delete tx when thread terminates.
1041         (thread_exit_init): New.
1042         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1043         * testsuite/libitm.c/txrelease.c: New file.
1044
1045 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1046
1047         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1048         * testsuite/libitm.c/notx.c: New file.
1049
1050 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1051
1052         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1053         * libitm_i.h (local_tid): ... to here.
1054         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1055         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1056
1057 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1058
1059         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1060         serialirr_onwrite_dispatch as new default for now.
1061         * method-serial.cc (serialirr_onwrite_dispatch): New.
1062         (GTM::dispatch_serialirr_onwrite): New.
1063         * libitm_i.h: Same.
1064
1065 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1066
1067         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1068         * query.cc (_ITM_getTransactionId): There is no active transaction if
1069         the current nesting level is zero.
1070
1071 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1072
1073         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1074         rollback.
1075
1076 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1077
1078         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1079         transaction properties from the caller instead of from the
1080         transaction object.
1081         * libitm_i.h: Same.
1082         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1083
1084 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1085
1086         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1087         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1088         * dispatch.h: Same.
1089         * method-serial.cc: Same.
1090         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1091         flat nesting as default, and closed nesting on demand.
1092         (GTM::gtm_transaction::rollback): Same.
1093         (_ITM_abortTransaction): Same.
1094         (GTM::gtm_transaction::restart): Same.
1095         (GTM::gtm_transaction::trycommit): Same.
1096         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1097         (choose_code_path): New.
1098         (GTM::gtm_transaction_cp::save): New.
1099         (GTM::gtm_transaction_cp::commit): New.
1100         * query.cc (_ITM_inTransaction): Support flat nesting.
1101         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1102         (GTM::gtm_transaction): Support flat and closed nesting.
1103         * alloc.cc (commit_allocations_2): New.
1104         (commit_cb_data): New helper struct.
1105         (GTM::gtm_transaction::commit_allocations): Handle nested
1106         commits/rollbacks.
1107         * libitm.texi: Update user action section, add description of nesting.
1108
1109 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1110
1111         * libitm_i.h: Add closed nesting as restart reason.
1112         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1113
1114 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1115
1116         * useraction.cc: Use vector instead of list to store actions.
1117         Also support partial rollbacks for closed nesting.
1118         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1119         * beginend.cc: Same.
1120
1121 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1122
1123         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1124         closed_nesting flags, as well as a closed nesting alternative.
1125         * method-serial.cc: Same.
1126         (serial_dispatch): Renamed to serialirr_dispatch.
1127         (GTM::dispatch_serialirr): Same.
1128         (serial_dispatch_ul): Renamed to serial_dispatch.
1129         (GTM::dispatch_serial): Same.
1130
1131 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1132
1133         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1134
1135 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1136
1137         * aatree.h (aa_tree::remove): New.
1138         (aa_tree::operator new): Add placement new.
1139
1140 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1141
1142         * containers.h: New file.
1143         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1144         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1145         * common.h: ... to here.
1146         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1147         * local.cc: Same.
1148
1149 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1150
1151         * libitm_i.h (STATE_ABORTING): Remove.
1152         * beginend.cc (_ITM_abortTransaction): Same.
1153         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1154         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1155         (_ITM_rollbackTransaction): Remove.
1156         * beginend.cc: Same.
1157         * libitm.map: Same.
1158         * libitm.texi: Document these ABI changes.
1159
1160 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1161
1162         * libitm.texi: New file.
1163         * Makefile.am: Add libitm.texi.
1164         * Makefile.in: Rebuild.
1165
1166 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1167
1168         * libitm_i.h: Move parts to common.h and dispatch.h.
1169         * common.h: New file.
1170         * dispatch.h: New file, new dispatch class.
1171         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1172         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1173         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1174         decision to retry.cc.
1175         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1176         only.
1177         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1178         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1179         logging.
1180         * barrier.cc: Use new barriers definitions.
1181         (abi_dispatch::memmove_overlap_check): New.
1182         * config/x86/x86_sse.cc: Same.
1183         * config/x86/x86_avx.cc: Same.
1184         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1185         memcpy.cc.
1186         * Makefile.in: Rebuild.
1187         * method-readonly.cc: Remove.
1188         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1189         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1190
1191 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1192
1193         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1194         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1195         * testsuite/libitm.c/dropref-2.c: Same.
1196         * testsuite/libitm.c/dropref.c: Same.
1197
1198 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1199
1200         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1201         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1202         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1203         * alloc_c.cc: Same.
1204         * barrier.tpl: Same.
1205         * beginend.c: Same.
1206         * config/generic/tls.h: Same.
1207         * config/x86/tls.h: Same.
1208         * libitm_i.h: Same.
1209         * memcpy.cc: Same.
1210         * memset.cc: Same.
1211         * method-readonly.cc: Same.
1212         * method-serial.cc: Same.
1213         * method-wbetl.cc: Same.
1214         * retry.cc: Same.
1215
1216 2011-03-03  Richard Henderson  <rth@redhat.com>
1217
1218         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1219         From Patrik Marlier <patrick.marlier@unine.ch>.
1220
1221 2011-02-03  Richard Henderson  <rth@redhat.com>
1222
1223         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1224         * configure.ac: Use it.
1225         * configure, config.h.in: Rebuild.
1226         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1227         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1228         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1229         * libitm.map: Use wildcards to match size_t mangling.
1230
1231 2010-12-14  Richard Henderson  <rth@redhat.com>
1232
1233         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1234         blocks of TIDs per thread.
1235         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1236         (setup_gtm_thr): Return the thread structure.
1237         * config/x86/tls.h (setup_gtm_thr): Likewise.
1238
1239 2010-12-14  Richard Henderson  <rth@redhat.com>
1240
1241         * clone.cc (table_lock): Remove.
1242         (find_clone): Don't take it.
1243         (ExcludeTransaction): New helper class.
1244         (_ITM_registerTMCloneTable): Use it.
1245         (_ITM_deregisterTMCloneTable): Likewise.
1246
1247 2010-12-14  Richard Henderson  <rth@redhat.com>
1248
1249         * config/x86/tls.h: New file.
1250
1251 2010-07-15  Richard Henderson  <rth@redhat.com>
1252
1253         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1254         * Makefile.in: Rebuild.
1255
1256 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1257
1258         * method-wbetl.cc (trydropreference): Fix source line.
1259
1260 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1261
1262         * libitm.h: Add comment.
1263         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1264
1265 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1266
1267         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1268         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1269         available, use pthread mutexes.
1270         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1271         * config.h.in: Regenerate.
1272         * configure: Regenerate.
1273
1274 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1275
1276         * libitm.h (ITM_PURE): Define.
1277         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1278
1279 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1280
1281         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1282         (validate): Add comment.
1283         (trydropreference): New.
1284         * method-readonly.cc (class readonly_dispatch): Add
1285         trydropreference.
1286         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1287         Call trydropreference().
1288         * libitm.h (_ITM_dropReferences): Remove const attribute.
1289         * method-serial.cc (class serial_dispatch): Add trydropreference.
1290         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1291
1292 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1293
1294         * memcpy.cc (do_memcpy): Comment.
1295
1296 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1297
1298         * barrier.tpl: Add comments throughout.
1299
1300 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1301
1302         * method-wbetl.cc (struct w_entry): Add comments.
1303         (trycommit): Same.
1304         (rollback): Same.
1305
1306 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1307
1308         * alloc_c.cc (_ITM_dropReferences): New.
1309         * libitm.map (_ITM_dropReferences): Add.
1310         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1311         * libitm_i.h (struct gtm_transaction): Declare
1312         drop_references_allocations and drop_references_local.
1313         * local.cc (rollback_local): Ignore memory when applicable.
1314         (drop_references_local): New.
1315
1316 2010-06-23  Richard Henderson  <rth@redhat.com>
1317
1318         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1319         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1320         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1321         * config/alpha/target.h: Likewise.
1322         * config/generic/tls.cc (gtm_mask_stack): Use it.
1323
1324 2010-06-23  Richard Henderson  <rth@redhat.com>
1325
1326         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1327         a mutex instead of trying a lock-free compare-and-swap on the list.
1328         (gtm_cacheline_page::operator delete): Likewise.
1329
1330 2010-06-16  Richard Henderson  <rth@redhat.com>
1331
1332         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1333         that overlap the libitm stack.
1334         * barrier.tpl: Mark incoming stack.
1335         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1336         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1337         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1338         * memcpy.cc, memset.cc: Likewise.
1339         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1340         * config/generic/tls.h (gtm_thread): Add stack_top member.
1341         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1342         * libitm_i.h (gtm_mask_stack): Declare.
1343         * config/generic/tls.cc: New file.
1344         * Makefile.am (libitm_la_SOURCES): Add it.
1345         (AM_CXXFLAGS): Turn off exceptions.
1346         * Makefile.in: Rebuild.
1347
1348 2010-06-16  Richard Henderson  <rth@redhat.com>
1349
1350         * alloc.cc (struct gtm_alloc_action): Move definition ...
1351         * libitm_i.h: ... here.
1352         (class gtm_transaction): Declare new and delete.
1353         * beginend.cc (alloc_tx): Reformulate as operator new.
1354         (free_tx): Reformulate as operator delete.
1355         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1356
1357 2010-06-11  Richard Henderson  <rth@redhat.com>
1358
1359         * clone.cc (clone_entry_compare): Fix typo.
1360         From Patrik Marlier <patrick.marlier@unine.ch>.
1361
1362 2010-05-13  Richard Henderson  <rth@redhat.com>
1363
1364         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1365         in extern "C".
1366
1367 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1368
1369         * libitm_i.h (struct gtm_transaction): Remove
1370         get_allocation_size.
1371         (record_allocation): Remove size parameter.
1372         * libitm.map (_ITM_realloc): Remove.
1373         * alloc_c.cc (_ITM_realloc): Remove.
1374         (_ITM_malloc): Remove size argument to record_allocation.
1375         (_ITM_calloc): Same.
1376         * alloc_cpp.cc (_ZGTtnwm): Same.
1377         (_ZGTtnwmRKSt9nothrow_t): Same.
1378         (_ZGTtnam): Same.
1379         (_ZGTtnamRKSt9nothrow_t): Same.
1380         * alloc.cc (struct gtm_alloc_action): Remove size.
1381         (get_allocation_size): Remove.
1382         (commit_allocations): Add comment.
1383         (record_allocation): Remove size parameter.
1384         (forget_allocation): Remove set of size.
1385
1386 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1387
1388         * Makefile.am (abi_version): New.
1389         (AM_CXXFLAGS): Pass abi_version.
1390         * Makefile.in: Regenerate.
1391         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1392
1393 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1394
1395         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1396         _ITM_getTMCloneOrIrrevokable.
1397         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1398         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1399
1400 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1401
1402         * configure.ac: Remove Linux futex support.
1403         * configure.tgt (config_path): Same.
1404         * Makefile.am: Same.
1405         * config/linux: Remove entire directory.
1406         * configure: Rebuild.
1407         * Makefile.in: Rebuild.
1408         * testsuite/Makefile.in: Rebuild.
1409
1410 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1411
1412         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1413         switching to serial mode.
1414         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1415
1416 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1417
1418         * configure.tgt: Add emacs -*- tags.
1419         * barrier.tpl: Same.
1420
1421 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1422
1423         * Makefile.am: Rename serial.cc to method-serial.cc.
1424         * Makefile.in: Regenerate with automake 1.11.1.
1425         * testsuite/Makefile.in: Same.
1426         * aclocal.m4: Regenerate with aclocal 1.11.1.
1427         * method-serial.cc: Rename from serial.cc.
1428         * libitm_i.h (struct gtm_transaction): Update comment on
1429         serialirr_mode.
1430
1431 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1432
1433         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1434         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1435
1436 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1437
1438         * configure: Rebuild.
1439
1440 2009-11-12  Richard Henderson  <rth@redhat.com>
1441
1442         * Rewrite everything in C++.
1443
1444 2009-11-03  Richard Henderson  <rth@redhat.com>
1445
1446         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1447         * Makefile.am (libitm_la_SOURCES): Add them.
1448         * configure.ac (ARCH_X86): New conditional.
1449         * Makefile.in, configure: Rebuild.
1450         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1451         Move futex setup into "other system configury" case.
1452         * local.c (rollback_local): Merge into ...
1453         (GTM_rollback_local): ... here.
1454         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1455         (_ITM_LB): Define as an alias to GTM_LB.
1456
1457 2009-11-03  Richard Henderson  <rth@redhat.com>
1458
1459         * method-readonly.c: New file.
1460         * Makefile.am (libitm_la_SOURCES): Add it.
1461         * Makefile.in: Rebuild.
1462         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1463         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1464         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1465         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1466         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1467         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1468         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1469         gtm_get_clock, gtm_inc_clock): New.
1470         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1471         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1472         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1473         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1474         replace uses with new libitm_i.h symbols.
1475         (dispatch_wbetl): Rename from wbetl_dispatch.
1476         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1477         away from dispatch_readonly; abort if the beginTransaction call
1478         asserted that the transaction was readonly.
1479
1480 2009-11-03  Richard Henderson  <rth@redhat.com>
1481
1482         * memset.c: New file.
1483         * Makefile.am (libitm_la_SOURCES): Add it.
1484         * Makefile.in: Rebuild.
1485         * testsuite/libitm.c/memset-1.c: New.
1486
1487 2009-11-03  Richard Henderson  <rth@redhat.com>
1488
1489         * dispatch.c: Remove file.
1490         * useraction.c (struct gtm_user_action): Move from libitm.h.
1491         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1492         (serial_memset, serial_memmove, serial_memcpy): Remove.
1493         (serial_W*, serial_R*): Remove.
1494         (serial_dispatch): Update to match.
1495         * configure.ac: Move Werror down below configure checks.  Don't
1496         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1497         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1498         Use GCC_AC_FUNC_MMAP_BLACKLIST
1499         * libitm.h: Split out all internal items to...
1500         * libitm_i.h: ... here.  New file.
1501         * copymask.c: New file.
1502         * local.c (struct gtm_local_undo): Move from libitm.h.
1503         (GTM_alloc_local): Rename from alloc_local; export.
1504         * memcpy.c: New file.
1505         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1506         * config/posix/page.c: New file.
1507         * config/posix/target_tls.h: Remove file.
1508         * barrier.c: New file.
1509         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1510         copymask.c, page.c.
1511         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1512         * method-wbetl.c: Rewrite for new cacheline methods.
1513         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1514
1515         * config/alpha/sjlj.S: Fix typo.
1516         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1517         * config/alpha/copymask.c: New file.
1518         * config/alpha/target.h (CACHELINE_SIZE): New.
1519         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1520
1521         * config/x86/target_i.h: Copy functions from x86/target.h.
1522         * config/x86/copymask.c: New file.
1523         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1524         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1525         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1526         * config/x86/target_tls.h: Move contents to target_i.h.
1527
1528         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1529         * testsuite/libitm.c/memcpy-1.c: New.
1530
1531 2009-10-22  Richard Henderson  <rth@redhat.com>
1532
1533         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1534         (AM_CCASFLAGS): New.
1535         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1536         saving/restoring _AC_ARG_VAR_PRECIOUS.
1537         * Makefile.in, aclocal.m4, config.h.in, configure,
1538         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1539
1540 2009-10-22  Richard Henderson  <rth@redhat.com>
1541
1542         * testsuite/*: Update for new compiler syntax.
1543
1544 2009-10-21  Richard Henderson  <rth@redhat.com>
1545
1546         * libitm.h (_ITM_abortReason): Add outerAbort.
1547
1548 2009-08-03  Richard Henderson  <rth@redhat.com>
1549
1550         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1551         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1552         * method-wbetl.c (struct w_entry): Remove mask.
1553         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1554         adjust all callers.
1555
1556 2009-07-22  Richard Henderson  <rth@redhat.com>
1557
1558         * eh_cpp.c: New file.
1559         * Makefile.am (libitm_la_SOURCES): Add it.
1560         * Makefile.in: Rebuild.
1561         * beginend.c (GTM_rollback_transaction): Undo exception state.
1562         (GTM_trycommit_transaction): Mark inline.
1563         (GTM_trycommit_and_finalize_transaction): Split out from ...
1564         (_ITM_commitTransaction): ... here.
1565         (_ITM_commitTransactionEH): New function.
1566         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1567         cxa_unthrown, eh_in_flight; reorder.
1568
1569         * testsuite/libitm.c++/c++.exp: New.
1570         * testsuite/libitm.c++/eh-1.C: New.
1571
1572         * aatree.c (aa_free): Remove REGPARM.
1573         * aatree.h: Remove all REGPARM.
1574
1575 2009-07-18  Richard Henderson  <rth@redhat.com>
1576
1577         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1578         * Makefile.am (libitm_la_SOURCES): Add them.
1579         * Makefile.in: Rebuild.
1580         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1581         (GTM_trycommit_transaction): Likewise.
1582         * libitm.h: Include aatree.h
1583         (struct gtm_alloc_action): New.
1584         (struct gtm_transaction): Add alloc_actions.
1585         (GTM_record_allocation, GTM_forget_allocation): Declare.
1586         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1587         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1588         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1589         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1590         _ZGTtdaPvRKSt9nothrow_t): Export.
1591
1592 2009-07-18  Richard Henderson  <rth@redhat.com>
1593
1594         * target_tls.h: Move ...
1595         * config/posix/target_tls.h: ... here.
1596
1597 2009-07-07  Richard Henderson  <rth@redhat.com>
1598
1599         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1600
1601 2009-07-07  Richard Henderson  <rth@redhat.com>
1602
1603         * Update to GPL3.
1604
1605 2009-07-07  Richard Henderson  <rth@redhat.com>
1606
1607         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1608         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1609
1610         * configure.tgt: Don't use -ftls-model for x86 linux.
1611         * libitm.h: Include target.h after standard includes.
1612         (_gtm_thr): Rename from gtm_thr.
1613         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1614         (gtm_disp, set_gtm_disp): New.
1615         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1616         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1617         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1618
1619 2009-07-07  Richard Henderson  <rth@redhat.com>
1620
1621         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1622
1623 2009-07-06  Richard Henderson  <rth@redhat.com>
1624
1625         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1626         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1627         (_ITM_beginTransaction): Take variadic arguments.
1628         (_ITM_registerThrownObject): Declare.
1629         * beginend.c, serial.c: Update.
1630         * libitm.map: Add _ITM_registerThrownObject.
1631
1632 2009-01-28  Richard Henderson  <rth@redhat.com>
1633
1634         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1635         * Makefile.in: Rebuild.
1636         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1637         (GTM_restart_transaction): Fix uninstrumented code check.
1638         * retry.c (GTM_decide_retry_strategy): Add serial check.
1639         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1640         automatically go irrevokable when in serial mode.
1641         * clone.c: New file.
1642         * libitm.h, libitm.map: Update.
1643
1644 2009-01-27  Richard Henderson  <rth@redhat.com>
1645
1646         * Makefile.am (LTCCASCOMPILE): Define.
1647         (libitm_la_SOURCES): Add methid-wbetl.c.
1648         * testsuite/Makefile.am: New
1649         * configure.ac: Add testsuite/Makefile.
1650         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1651         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1652         (_ITM_abortTransaction): Finalize implementation method; pass
1653         transaction properties to longjmp.
1654         (GTM_restart_transaction): Split out from ...
1655         (_ITM_commitTransaction): ... here.
1656         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1657         Move to config/x86/target.h.
1658         * config/linux/alpha/futex_bits.h: New.
1659         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1660         * config/x86/target.h: Disable target types for 32-bit.
1661         * config/alpha/sjlj.S, config/alpha/target.h: New.
1662         * libitm.h (struct gtm_dispatch): Add init, fini.
1663         (enum restart_reason): New.
1664         (struct gtm_transaction): Add method and restarts.
1665         * retry.c (GTM_decide_retry_strategy): Implement.
1666         * serial.c (serial_init, serial_fini): New.
1667         (GTM_serialmode): Finialize outgoing method.
1668         * method-wbetl.c: New.
1669
1670 2008-12-09  Richard Henderson  <rth@redhat.com>
1671
1672         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1673         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1674         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1675         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1676         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1677         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1678         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1679         * serial.c (serial_R##T, serial_W##T): Likewise.
1680
1681 2008-11-21  Richard Henderson  <rth@redhat.com>
1682
1683         * Initial commit.