libitm/ChangeLog

   1 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         PR bootstrap/63784
   4         * configure: Regenerated.
   5
   6 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
   7
   8         PR target/63610
   9         * configure: Regenerate.
  10
  11 2014-10-06  Marek Polacek  <polacek@redhat.com>
  12
  13         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  14         * testsuite/libitm.c/memset-1.c: Likewise.
  15
  16 2014-07-24  Richard Henderson  <rth@redhat.com>
  17
  18         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  19         addressing mode in epilogue.
  20
  21 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  22
  23         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  24         -mclear-hwcap instead.
  25         * configure: Regenerate.
  26         * clearcap.map: Remove.
  27
  28 2014-05-21  John Marino  <gnugcc@marino.st>
  29
  30         * configure.tgt (*-*-dragonfly*): New target.
  31
  32 2014-05-19  Richard Henderson  <rth@redhat.com>
  33
  34         * config/aarch64/sjlj.S: New file.
  35         * config/aarch64/target.h: New file.
  36         * configure.tgt: Enable aarch64.
  37
  38 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  39
  40         * config/generic/asmcfi.h: Also check for
  41         __GCC_HAVE_DWARF2_CFI_ASM.
  42
  43 2013-04-02  Richard Henderson  <rth@redhat.com>
  44
  45         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  46         * config/arm/target.h, config/sh/target.h: Likewise.
  47         * config/sparc/target.h, config/x86/target.h: Likewise.
  48
  49 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  50
  51         * config/linux/futex_bits.h: Include errno.h.
  52         (sys_futex0): If syscall returns -1, return -errno rather than
  53         -1.
  54
  55 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  56
  57         * libitm.texi (Index): Rename to Library Index.
  58
  59 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  60
  61         PR libitm/53113
  62         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  63         (x86_avx.lo): Append -mavx to CXXFLAGS.
  64         * Makefile.in: Regenerate.
  65
  66 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  67
  68         Update copyright years
  69
  70 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  71
  72         * libitm.texi: Bump @copying's copyright year.
  73
  74 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  75
  76         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  77         (FUNC): Define ELFv2 variant.
  78         (END): Likewise.
  79         (HIDDEN): Likewise.
  80         (CALL): Likewise.
  81         (BASE): Likewise.
  82         (LR_SAVE): Likewise.
  83
  84 2013-09-20  Alan Modra  <amodra@gmail.com>
  85
  86         * configure: Regenerate.
  87
  88 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  89
  90         * config/posix/rwlock.cc: Fix initialization order.
  91
  92 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  93
  94         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  95         (htm_fastpath): Assign an asm name.
  96         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  97         HTM fast paths.
  98         (_ITM_actions): Likewise.
  99         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 100         x86_64.
 101         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 102         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 103         field to the start of the structure.
 104         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 105         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 106         handling for custom HTM fast paths.
 107
 108 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 109         Revert:
 110         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 111
 112         * configure.tgt: Add -msoft-float to XCFLAGS.
 113
 114 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 115
 116         * configure.tgt: Add -msoft-float to XCFLAGS.
 117
 118 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 119
 120         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 121         (htm_transaction_active): Enable zEC12 instructions in the
 122         assembler.
 123         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 124
 125 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 126
 127         * acinclude.m4: Add htm asm check for s390.
 128         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 129         * configure: Regenerate.
 130         * config/s390/target.h: Remove __HTM__ check.
 131         (htm_available): Call getauxval to get hwcaps and check whether
 132         HTM is available or not.
 133
 134 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 135
 136         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 137         * configure.ac: Use it.
 138         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 139         (AC_CHECK_FUNCS): Check for getauxval.
 140         * config.h.in, configure: Rebuild.
 141         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 142         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 143         (USE_HTM_FASTPATH): Define.
 144         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 145         _HTM_RETRIES) New macros.
 146         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 147         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 148
 149 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 150
 151         * config/s390/target.h: Include htmintrin.h.
 152         (_HTM_ITM_RETRIES): New macro definition.
 153         (htm_available, htm_init, htm_begin, htm_begin_success)
 154         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 155
 156 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 157             Cesar Philippidis  <cesar@codesourcery.com>
 158
 159         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 160         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 161         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 162         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 163
 164 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 165
 166         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 167         (_ITM_getTransactionId): Same.
 168         * config/x86/target.h (htm_transaction_active): New.
 169
 170 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 171
 172         PR libitm/57643
 173         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 174         the HTM fastpath.
 175
 176 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 177
 178         PR bootstrap/56714
 179         * local_atomic (__always_inline): Always define our version.
 180         (__calculate_memory_order): Mark inline.
 181         (atomic_thread_fence): Ditto.
 182         (atomic_signal_fence): Ditto.
 183         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 184         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 185         (atomic_bool::atomic_flag_test_and_set): Ditto.
 186         (atomic_bool::atomic_flag_clear): Ditto.
 187
 188 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 189
 190         * config/s390/sjlj.S: New file.
 191         * config/s390/target.h: New file.
 192         * configure.tgt: Set options for S/390.
 193
 194 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 195
 196         * local_atomic (__always_inline): Add.
 197         (__calculate_memory_order, atomic_thread_fence,
 198          atomic_signal_fence, test_and_set, clear, store, load,
 199          exchange, compare_exchange_weak, compare_exchange_strong,
 200          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 201         Add __always_inline to force inlining.
 202
 203 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 204             Jack Howarth  <howarth@bromo.med.uc.edu>
 205             Patrick Marlier  <patrick.marlier@gmail.com>
 206
 207         PR libitm/55693
 208         * alloc_cpp.cc: Enable function declarations on darwin.
 209         * eh_cpp.cc: Likewise.
 210
 211 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 212
 213         Update copyright years.
 214
 215 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 216
 217         * beginend.cc (htm_fastpath): New.
 218         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 219         _ITM_commitTransactionEH): Add HTM fastpath handling.
 220         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 221         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 222         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 223         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 224         * configure.tgt: Add -mrtm to XCFLAGS.
 225         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 226         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 227         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 228         * retry.cc (parse_default_method): Add HTM method parsing.
 229         (gtm_thread::number_of_threads_changed): Use HTM by default if
 230         available.
 231
 232 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 233
 234         * configure: Regenerate.
 235
 236 2012-10-31  Richard Henderson  <rth@redhat.com>
 237
 238         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 239         * configure.ac: Use it.
 240         * config.h.in, configure: Rebuild.
 241         * testsuite/Makefile.in: Rebuild.
 242
 243 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 244
 245         * libitm.texi: Clarify ABI requirements for data-logging functions.
 246
 247 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 248
 249         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 250         it requires serial mode instead of assuming that for certain
 251         dispatchs.
 252         * dispatch.h (abi_dispatch::requires_serial): New.
 253         (abi_dispatch::abi_dispatch): Adapt.
 254         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 255         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 256         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 257         serial_dispatch::serial_dispatch,
 258         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 259
 260 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 261
 262         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 263         and ia32 declarations some more.
 264         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 265
 266 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 267
 268         PR other/43620
 269         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 270         * configure: Regenerate.
 271         * Makefile.in: Regenerate.
 272
 273 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 274
 275         * configure: Regenerated.
 276
 277 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 278
 279         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 280
 281 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 282
 283         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 284
 285 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 286
 287         * configure: Regenerated.
 288
 289 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 290
 291         PR libitm/52854
 292         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 293         for x86-64.
 294
 295 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 296
 297         * configure: Regenerate.
 298
 299 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 300
 301         PR bootstrap/52812
 302         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 303
 304 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 305
 306         * testsuite/lib/libitm.exp: load fortran-modules.exp
 307
 308 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 309
 310         * configure.tgt (*-*-irix6*): Remove.
 311
 312 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 313
 314         PR libitm/52526
 315         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 316         wake-up.
 317
 318 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 319
 320         * configure.tgt (*-*-osf*): Remove.
 321         * configure: Regenerate.
 322
 323 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 324
 325         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 326         memtransfer/memset if size isn't larger than zero.
 327
 328 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 329
 330         * libitm.texi: Link to specification and add a usage example.
 331
 332 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 333
 334         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 335         default dispatch for more than 1 thread to ml_wt.
 336
 337 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 338
 339         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 340
 341 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 342
 343         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 344
 345 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 346
 347         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 348         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 349         (gl_wt_dispatch.rollback): Same.
 350
 351 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 352
 353         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 354
 355 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 356
 357         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 358         for RfW src.  Optimize number of calls to gtm_thr.
 359
 360 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 361
 362         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 363         acquisition to ...
 364         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 365         (default_dispatch): Make atomic.
 366         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 367         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 368         use decide_begin_dispatch() if default_dispatch might have changed.
 369         (GTM::gtm_thread::number_of_threads_changed): Initialize
 370         default_dispatch here.
 371
 372 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 373             Patrick Marlier  <patrick.marlier@gmail.com>
 374
 375         PR libitm/52220
 376         * alloc_cpp.cc: No dummy definitions for darwin.
 377         * eh_cpp.cc: Likewise.
 378
 379 2012-02-14  Richard Henderson  <rth@redhat.com>
 380
 381         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 382
 383 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 384
 385         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 386
 387 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 388
 389         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 390         (GTM::gtm_thread): Add read and write logs.
 391         (GTM::dispatch_ml_wt): Declare.
 392         * retry.cc (parse_default_method): Support ml_wt.
 393         * method-ml.cc: New file.
 394         * Makefile.am: Add method-ml.cc.
 395         * Makefile.in: Regenerate.
 396
 397 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 398
 399         * dispatch.h (GTM::abi_dispatch::supports): New.
 400         (GTM::method_group::reinit): New.
 401         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 402         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 403         supports the current situation.
 404
 405 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 406
 407         * util.cc (GTM::xcalloc): New.
 408         * common.h (GTM::xcalloc): Declare.
 409
 410 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 411
 412         * config/sparc/target.h (cpu_relax): Read from CC register.
 413         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 414
 415 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 416
 417         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 418
 419 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 420
 421         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 422         * config/sparc/cacheline.h: New file.
 423         * config/sparc/target.h: Likewise.
 424         * config/sparc/sjlj.S: Likewise.
 425         * config/linux/sparc/futex_bits.h: Likewise.
 426
 427 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 428
 429         * configure.ac (link_itm): Fix comment.
 430         * configure: Regenerate.
 431         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 432
 433 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 434
 435         PR libitm/51822
 436         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 437         Correct libgomp references.
 438
 439 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 440
 441         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 442         wake-up.
 443
 444 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 445
 446         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 447         end of structure.
 448         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 449         offset values.  Do not copy return address.  Decrement stack
 450         by 56 bytes only.
 451         (GTM_longjump) [__x86_64__]: Update offset values.
 452
 453 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 454
 455         PR libitm/51830
 456         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 457         the first function argument to %eax.
 458
 459 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 460
 461         * libitm.h (_ITM_getThreadnum): Remove.
 462         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 463
 464 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 465
 466         * clearcap.map: New file.
 467         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 468         * configure.ac: Call it.
 469         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 470         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 471         * configure: Regenerate.
 472         * Makefile.in: Regenerate.
 473         * testsuite/Makefile.in: Regenerate.
 474
 475 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 476
 477         PR libitm/51173
 478         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 479         include, exclude options.
 480
 481 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 482
 483         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 484         rolling back.
 485         * containers.h (GTM::vector::set_size): New.
 486
 487 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 488
 489         PR libitm/51855
 490         * config/generic/tls.h (GTM::mask_stack_top): New.
 491         (GTM::mask_stack_bottom): Declare.
 492         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 493         * local.cc (gtm_undolog::rollback): Filter out any updates that
 494         overlap the libitm stack.  Add current transaction as parameter.
 495         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 496         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 497         * testsuite/libitm.c/stackundo.c: New test.
 498
 499 2012-01-10  Richard Henderson  <rth@redhat.com>
 500
 501         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 502         * eh_cpp.cc (_Unwind_DeleteException): Define for
 503         !HAVE_ELF_STYLE_WEAKREF.
 504
 505 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 506
 507         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 508         (GTM::gtm_thread::drop_references_undolog): Remove.
 509         (GTM::gtm_thread::commit_undolog,
 510         GTM::gtm_thread::rollback_undolog): Move to ...
 511         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 512         (GTM::gtm_undolog_entry): Remove.
 513         (GTM::gtm_thread): Adapt.
 514         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 515         (GTM::gtm_thread::trycommit): Adapt.
 516         * method-serial.cc (serial_dispatch::log): Adapt.
 517         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 518         (gl_wt_dispatch::store): Fix likely/unlikely.
 519         * containers.h (GTM::vector::resize): Add additional_capacity
 520         parameter and handle it.
 521         (GTM::vector::resize_noinline): New/adapt.
 522         (GTM::vector::push): New.
 523
 524 2012-01-06  Richard Henderson  <rth@redhat.com>
 525
 526         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 527         * config/linux/powerpc/futex_bits.h: New file.
 528         * config/powerpc/cacheline.h: New file.
 529         * config/powerpc/sjlj.S: New file.
 530         * config/powerpc/target.h: New file.
 531         * config/generic/asmcfi.h (cfi_offset): New.
 532         (cfi_restore, cfi_undefined): New.
 533
 534 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 535
 536         PR other/51171
 537         * testsuite/libitm.c/reentrant.c: Remove xfail.
 538         (thread): Pass x to pure().
 539         From Patrik Marlier <patrick.marlier@gmail.com>.
 540
 541 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 542
 543         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 544         privatization safety if already in serial mode.
 545
 546 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 547
 548         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 549         finish_serial_upgrade parameter.
 550         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 551         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 552         Don't unset reader flag.
 553         (GTM::gtm_rwlock::write_upgrade_finish): New.
 554         * config/posix/rwlock.cc: Same.
 555         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 556         Declare.
 557         * config/posix/rwlock.h: Same.
 558         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 559         flag after commit or after rollback when restarting.
 560
 561 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 562
 563         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 564         (GTM::gtm_thread::try_commit): Changed memory order.
 565         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 566         as parameter.
 567         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 568         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 569         * config/linux/futex_bits.h (sys_futex0): Same.
 570         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 571         * config/linux/futex.h (futex_wait, futex_wake): Same.
 572         * config/linux/rwlock.h (gtm_rwlock::writers,
 573         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 574         ints.
 575         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 576         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 577         gtm_rwlock::write_unlock): Fix memory orders and fences.
 578         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 579         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 580         gtm_rwlock::write_unlock): Same.
 581         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 582         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 583         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 584         Add comments.
 585         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 586         gl_wt_dispatch::load, gl_wt_dispatch::store,
 587         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 588         orders and fences.  Add comments.
 589
 590 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 591
 592         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 593         * Makefile.in: Regenerated.
 594
 595 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 596
 597         * configure.tgt: Add sh* case.
 598         * config/sh/target.h: New file.
 599         * config/sh/sjlj.S: New file.
 600         * config/linux/sh/futex_bits.h: New file.
 601
 602 2011-12-14  Richard Henderson  <rth@redhat.com>
 603
 604         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 605         * config/arm/sjlj.S, config/arm/target.h: New files.
 606         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 607         (cfi_rel_offset): New.
 608         * config/linux/futex_bits.h: New file.
 609         * config/linux/futex.cc: Include futex_bits.h here...
 610         * config/linux/futex.h: ... not here.
 611         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 612         * configure.ac (ARCH_AM): New conditional.
 613         * Makefile.in, configure: Rebuild.
 614         * configure.tgt: Handle ARM.
 615
 616 2011-12-13  Richard Henderson  <rth@redhat.com>
 617
 618         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 619         signed/unsigned comparison werror.
 620
 621         * local_atomic: New file.
 622         * libitm_i.h: Include it.
 623         (gtm_thread::shared_state): Use atomic template.
 624         * beginend.cc (GTM::gtm_clock): Use atomic template.
 625         (global_tid): Use atomic template if 64-bit atomics available.
 626         (gtm_thread::gtm_thread): Update shared_state access.
 627         (gtm_thread::trycommit): Likewise.
 628         (choose_code_path): Update global_tid access.
 629         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 630         * stmlock.h (GTM::gtm_clock): Use atomic template.
 631         (gtm_get_clock, gtm_inc_clock): Update accesses.
 632         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 633         redundant __sync_synchronize after atomic shared_state access.
 634         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 635         (gtm_rwlock::write_lock_generic): Likewise.
 636         (gtm_rwlock::read_unlock): Likewise.
 637         * config/alpha/target.h (atomic_read_barrier): Remove.
 638         (atomic_write_barrier): Remove.
 639         * config/x86/target.h (atomic_read_barrier): Remove.
 640         (atomic_write_barrier): Remove.
 641
 642 2011-11-30  Richard Henderson  <rth@redhat.com>
 643
 644         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 645         * beginend.c (_ITM_abortTransaction): Update to match.
 646         (GTM::gtm_thread::restart): Likewise.
 647         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 648         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 649
 650 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 651
 652         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 653         * Makefile.in: Regenerate.
 654
 655 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 656
 657         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 658         * alloc_cpp.cc: Generate dummy functions if we don't
 659         HAVE_ELF_STYLE_WEAKREF.
 660         * eh_cpp.cc: Likewise.
 661         * configure: Regenerate.
 662         * aclocal.m4:  Likewise.
 663         * config.h.in: Likewise.
 664         * Makefile.in: Likewise.
 665         * testsuite/Makefile.in: Likewise.
 666
 667 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 668
 669         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 670         __USER_LABEL_PREFIX__ for targets that use it.
 671         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 672         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 673         in portability to non-elf targets.
 674         (GTM_longjmp): Likewise.
 675         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 676         where required.
 677
 678 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 679
 680         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 681         * testsuite/libitm.c/memset-1.c: Likewise.
 682
 683 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 684
 685         * configure: Regenerate.
 686
 687 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 688
 689         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 690         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 691         * Makefile.am: Handle sun style versioning.
 692         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 693         * configure: Regenerate.
 694         * Makefile.in: Regenerate.
 695
 696 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 697
 698         * config/generic/asmcfi.h: Fix comment.
 699         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 700         sequence without .hidden support, error for non-ELF targets.
 701         (GTM_longjmp) [__ELF__]: Only use .hidden if
 702         HAVE_ATTRIBUTE_VISIBILITY.
 703
 704 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 705
 706         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 707         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 708         Dummy functions.
 709         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 710         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 711
 712 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 713
 714         PR bootstrap/51098
 715         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 716         * configure: Regenerate.
 717
 718 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 719
 720         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 721
 722 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 723
 724         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 725         .hidden.
 726         (.note.GNU-stack): Only use if __linux__.
 727         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 728         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 729         * testsuite/libitm.c/reentrant.c: Likewise.
 730         * testsuite/libitm.c/simple-2.c: Likewise.
 731         * testsuite/libitm.c/txrelease.c: Likewise.
 732         * testsuite/libitm.c++/static_ctor.C: Likewise.
 733
 734 2011-11-10  Richard Henderson  <rth@redhat.com>
 735
 736         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 737         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 738         * configure.ac (ARCH_X86_AVX): New conditional.
 739         * Makefile.in, configure: Rebuild.
 740
 741 2011-11-09  Richard Henderson  <rth@redhat.com>
 742
 743         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 744         * configure.ac: Use it.
 745         * config.h.in, configure: Rebuild.
 746         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 747
 748 2011-11-09  Richard Henderson  <rth@redhat.com>
 749
 750         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 751         * config/alpha/unaligned.h: Remove file.
 752         * config/generic/unaligned.h: Remove file.
 753         * config/x86/unaligned.h: Remove file.
 754         * config/generic/cachepage.h: Remove file.
 755         * config/posix/cachepage.cc: Remove file.
 756         * config/generic/cacheline.cc: Remove file.
 757         * config/x86/cacheline.cc: Remove file.
 758         * config/generic/cacheline.h (gtm_cacheline): Remove the
 759         store_mask, copy_mask, copy_mask_wb methods.
 760         * config/x86/cacheline.h: Likewise.
 761         * config/alpha/cacheline.h: Fall back to generic after setting size.
 762         * config/generic/tls.cc (gtm_mask_stack): Remove.
 763         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 764         (GTM_vpalignr_table): Remove.
 765         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 766         (GTM_pshift_table): Remove.
 767         * config/libitm_i.h: Don't include cachepage.h.
 768         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 769         * Makefile.in, testsuite/Makefile.in: Rebuild.
 770
 771 2011-11-09  Richard Henderson  <rth@redhat.com>
 772
 773         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 774         to emit branch prediction hint.
 775
 776         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 777         Protect .note.GNU-stack with __linux__.
 778
 779         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 780         * configure, aclocal.m4, config.h.in: Rebuild.
 781         * config/generic/asmcfi.h: New file.
 782         * config/x86/sjlj.S: Use it.
 783
 784 2011-11-08  Richard Henderson  <rth@redhat.com>
 785
 786         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 787
 788 2011-11-08  Richard Henderson  <rth@redhat.com>
 789
 790         * configure.tgt: Test correct directory for supported cpus.
 791
 792         * configure.ac: Exit if unsupported.
 793         * configure: Rebuild.
 794         * configure.tgt: Delete boilerplate from libgomp for unsupported
 795         targets.  Set UNSUPPORTED for unsupported targets.
 796
 797 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 798
 799         * configure.tgt: Handle i386 like i[456]86.
 800         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 801         take address.
 802         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 803         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 804
 805 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 806
 807         * method-wbetl.cc: Update copyright notice.
 808         * aatree.cc: Same.
 809         * util.cc: Same.
 810         * libitm.h: Same.
 811         * memset.cc: Same.
 812         * eh_cpp.cc: Same.
 813         * barrier.tpl: Same.
 814         * useraction.cc: Same.
 815         * stmlock.h: Same.
 816         * memcpy.cc: Same.
 817         * common.h: Same.
 818         * config/generic/tls.cc: Same.
 819         * config/generic/cacheline.h: Same.
 820         * config/generic/cachepage.h: Same.
 821         * config/generic/cacheline.cc: Same.
 822         * config/generic/unaligned.h: Same.
 823         * config/x86/cacheline.h: Same.
 824         * config/x86/cacheline.cc: Same.
 825         * config/x86/unaligned.h: Same.
 826         * config/alpha/cacheline.h: Same.
 827         * config/alpha/unaligned.h: Same.
 828         * config/alpha/sjlj.S: Same.
 829         * config/posix/cachepage.cc: Same.
 830         * config/linux/futex.h: Same.
 831         * config/linux/alpha/futex_bits.h: Same.
 832
 833 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 834
 835         * libitm.texi: No cover text and invariant sections.
 836
 837 2011-11-03  Richard Henderson  <rth@redhat.com>
 838
 839         * local_type_traits: New file.
 840         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 841
 842 2011-11-03  Richard Henderson  <rth@redhat.com>
 843
 844         * configure.ac: Don't test for gfortran.
 845         * configure: Rebuild.
 846
 847         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 848         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 849
 850 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 851
 852         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 853         * testsuite/libitm.c/memset-1.c: Same.
 854         * testsuite/libitm.c/c.exp: Same.
 855         * testsuite/lib/libitm-dg.exp: Same.
 856         * testsuite/lib/libitm.exp: Same.
 857         * testsuite/libitm.c++/c++.exp: Same.
 858
 859 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 860
 861         * testsuite/config/default.exp: Update copyright date.
 862         * configure.ac: Add copyright info.
 863         * configure.tgt: Same.
 864
 865 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 866
 867         * testsuite/libitm.c/reentrant.c: XFAIL.
 868         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 869
 870 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 871
 872         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 873         handle aborts.
 874         (_ITM_abortTransaction): Handle aborts of outer transactions.
 875         * libitm_i.h: Same.
 876         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 877         * libitm.texi: Document aborts of outer transactions.
 878         * testsuite/libitm.c/cancel.c: New file.
 879
 880 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 881
 882         * testsuite/*: Change __transaction to __transaction_atomic or
 883         __transaction_relaxed.
 884
 885 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 886
 887         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 888         (gtm_thr): Same.
 889
 890 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 891
 892         * libitm_i.h: Add gl_wt dispatch.
 893         * retry.cc (parse_default_method): Same.
 894         * method-gl.cc: New file.
 895         * Makefile.am: Use method-gl.cc.
 896         * Makefile.in: Rebuild.
 897
 898 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 899
 900         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 901         safety if requested by a TM method.
 902         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 903         privatization safety.
 904         * method-serial.cc: Same.
 905
 906 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 907
 908         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 909         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 910         undolog-related member functions from *_local to *_undolog.
 911         * local.cc (gtm_thread::commit_undolog): Same.
 912         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 913         (GTM::gtm_thread::rollback): Roll back undolog before
 914         dispatch-specific rollback.
 915
 916 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 917
 918         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 919         re-initialization of the current method group.
 920         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 921
 922 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 923
 924         * alloc.cc (commit_allocations_2): Do not free transaction-local
 925         memory when committing a nested transaction.
 926
 927 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 928
 929         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 930         serial-irrevocable dispatch, not serial.
 931
 932 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 933
 934         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 935         declarations.
 936         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 937         * method-serial.cc: Implement begin_or_restart().
 938         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 939         dispatch-specific begin_or_restart().
 940         (GTM::gtm_thread::restart): Same.
 941
 942 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 943
 944         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 945         restarting without switching to serial mode.
 946         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 947         transaction state. Choose closed-nesting alternative if available.
 948         (GTM::gtm_thread::set_default_dispatch): New.
 949         (parse_default_method): New.
 950         (GTM::gtm_thread::number_of_threads_changed): New.
 951         * method-serial.cc (GTM::serial_mg): New method group class.
 952         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 953         fini.
 954         (GTM::serial_dispatch): Same.
 955         (GTM::serialirr_onwrite_dispatch): Same.
 956         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 957         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 958         registered threads.
 959         (GTM::gtm_thread::gtm_thread): Same.
 960         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 961         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 962         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 963         choose dispatch but set state according to dispatch here.
 964         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 965         (GTM::method_group): New class.
 966         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 967         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 968         * libitm.texi: Document TM methods, method groups, method life cycle.
 969         Rename method sets to method groups.
 970
 971 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 972
 973         * config/x86/tls.h: Moved to ...
 974         * config/linux/x86/tls.h: ... here.
 975
 976 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 977
 978         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 979         Add X32 support.
 980         * config/x86/sjlj.S: Same.
 981
 982 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 983
 984         * config/linux/rwlock.h: New file.
 985         * config/linux/rwlock.c: New file.
 986         * configure.ac: Reenable futex support (undo SVN rev 157758).
 987         * Makefile.am: Same.
 988         * configure.tgt: Same.
 989         * config/linux/alpha/futex_bits.h: Same.
 990         * config/linux/futex.h: Same. Return number of woken processes.
 991         * config/linux/futex.cc: Same.
 992         (futex_wait): Remove spinning.
 993         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 994         Use __x86_64__ instead of __LP64__.
 995         * aclocal.m4: Include generic futex checks.
 996         * configure: Rebuild.
 997         * Makefile.in: Rebuild.
 998         * testsuite/Makefile.in: Rebuild.
 999         * beginend.cc: Include pthread.h.
1000         * config/posix/cachepage.cc: Same.
1001
1002 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1003
1004         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1005         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1006         (set_gtm_thr): New.
1007         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1008         (set_gtm_thr): New.
1009         (GTM::gtm_thread::thread_num): Removed.
1010         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1011         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1012         tx-to-thread renaming.
1013         * beginend.cc: Adapted to tx-to-thread renaming.
1014         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1015         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1016         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1017         gtm_transaction to gtm_thread.
1018         (_ITM_getThreadnum): Removed. Not supported anymore.
1019         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1020         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1021         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1022         gtm_tx-to-gtm_thr renaming if necessary.
1023         * eh_cpp.cc: Same.
1024         * local.cc: Same.
1025         * retry.cc: Same.
1026         * clone.cc: Same.
1027         * alloc.cc: Same.
1028         * alloc_c.cc: Same.
1029         * alloc_cpp.cc: Same.
1030         * method-serial.cc: Same.
1031         * config/generic/tls.cc: Same.
1032         * config/posix/rwlock.h (gtm_rwlock): Same.
1033         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1034
1035 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1036
1037         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1038         implementation.
1039         (gtm_rwlock::read_unlock): Same.
1040         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1041         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1042         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1043         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1044         w_upgrade. Replaced by per-transaction flags (in shared_state).
1045         Added c_confirmed_writers.
1046         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1047         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1048         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1049         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1050         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1051         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1052         * libitm.texi: Document locking conventions and implementations in
1053         libitm.
1054
1055 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1056
1057         * libitm_i.h (next_tx): Add list of all threads' transaction.
1058         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1059         transaction with list of transactions and ...
1060         (thread_exit_handler): ... deregister here.
1061         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1062         * config/x86/target.h: Same.
1063
1064 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1065
1066         * testsuite/libitm.c++/static_ctor.C: New file.
1067
1068 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1069
1070         * testsuite/libitm.c/reentrant.c: New file.
1071
1072 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1073
1074         * config/generic/tls.h: Remove the free list for transactions and ...
1075         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1076         (GTM::gtm_transaction::operator delete): ... and release here.
1077         (thread_exit_handler): New. Delete tx when thread terminates.
1078         (thread_exit_init): New.
1079         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1080         * testsuite/libitm.c/txrelease.c: New file.
1081
1082 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1083
1084         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1085         * testsuite/libitm.c/notx.c: New file.
1086
1087 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1088
1089         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1090         * libitm_i.h (local_tid): ... to here.
1091         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1092         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1093
1094 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1095
1096         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1097         serialirr_onwrite_dispatch as new default for now.
1098         * method-serial.cc (serialirr_onwrite_dispatch): New.
1099         (GTM::dispatch_serialirr_onwrite): New.
1100         * libitm_i.h: Same.
1101
1102 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1103
1104         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1105         * query.cc (_ITM_getTransactionId): There is no active transaction if
1106         the current nesting level is zero.
1107
1108 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1109
1110         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1111         rollback.
1112
1113 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1114
1115         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1116         transaction properties from the caller instead of from the
1117         transaction object.
1118         * libitm_i.h: Same.
1119         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1120
1121 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1122
1123         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1124         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1125         * dispatch.h: Same.
1126         * method-serial.cc: Same.
1127         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1128         flat nesting as default, and closed nesting on demand.
1129         (GTM::gtm_transaction::rollback): Same.
1130         (_ITM_abortTransaction): Same.
1131         (GTM::gtm_transaction::restart): Same.
1132         (GTM::gtm_transaction::trycommit): Same.
1133         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1134         (choose_code_path): New.
1135         (GTM::gtm_transaction_cp::save): New.
1136         (GTM::gtm_transaction_cp::commit): New.
1137         * query.cc (_ITM_inTransaction): Support flat nesting.
1138         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1139         (GTM::gtm_transaction): Support flat and closed nesting.
1140         * alloc.cc (commit_allocations_2): New.
1141         (commit_cb_data): New helper struct.
1142         (GTM::gtm_transaction::commit_allocations): Handle nested
1143         commits/rollbacks.
1144         * libitm.texi: Update user action section, add description of nesting.
1145
1146 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1147
1148         * libitm_i.h: Add closed nesting as restart reason.
1149         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1150
1151 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1152
1153         * useraction.cc: Use vector instead of list to store actions.
1154         Also support partial rollbacks for closed nesting.
1155         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1156         * beginend.cc: Same.
1157
1158 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1159
1160         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1161         closed_nesting flags, as well as a closed nesting alternative.
1162         * method-serial.cc: Same.
1163         (serial_dispatch): Renamed to serialirr_dispatch.
1164         (GTM::dispatch_serialirr): Same.
1165         (serial_dispatch_ul): Renamed to serial_dispatch.
1166         (GTM::dispatch_serial): Same.
1167
1168 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1169
1170         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1171
1172 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1173
1174         * aatree.h (aa_tree::remove): New.
1175         (aa_tree::operator new): Add placement new.
1176
1177 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1178
1179         * containers.h: New file.
1180         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1181         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1182         * common.h: ... to here.
1183         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1184         * local.cc: Same.
1185
1186 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1187
1188         * libitm_i.h (STATE_ABORTING): Remove.
1189         * beginend.cc (_ITM_abortTransaction): Same.
1190         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1191         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1192         (_ITM_rollbackTransaction): Remove.
1193         * beginend.cc: Same.
1194         * libitm.map: Same.
1195         * libitm.texi: Document these ABI changes.
1196
1197 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1198
1199         * libitm.texi: New file.
1200         * Makefile.am: Add libitm.texi.
1201         * Makefile.in: Rebuild.
1202
1203 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1204
1205         * libitm_i.h: Move parts to common.h and dispatch.h.
1206         * common.h: New file.
1207         * dispatch.h: New file, new dispatch class.
1208         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1209         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1210         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1211         decision to retry.cc.
1212         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1213         only.
1214         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1215         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1216         logging.
1217         * barrier.cc: Use new barriers definitions.
1218         (abi_dispatch::memmove_overlap_check): New.
1219         * config/x86/x86_sse.cc: Same.
1220         * config/x86/x86_avx.cc: Same.
1221         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1222         memcpy.cc.
1223         * Makefile.in: Rebuild.
1224         * method-readonly.cc: Remove.
1225         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1226         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1227
1228 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1229
1230         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1231         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1232         * testsuite/libitm.c/dropref-2.c: Same.
1233         * testsuite/libitm.c/dropref.c: Same.
1234
1235 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1236
1237         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1238         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1239         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1240         * alloc_c.cc: Same.
1241         * barrier.tpl: Same.
1242         * beginend.c: Same.
1243         * config/generic/tls.h: Same.
1244         * config/x86/tls.h: Same.
1245         * libitm_i.h: Same.
1246         * memcpy.cc: Same.
1247         * memset.cc: Same.
1248         * method-readonly.cc: Same.
1249         * method-serial.cc: Same.
1250         * method-wbetl.cc: Same.
1251         * retry.cc: Same.
1252
1253 2011-03-03  Richard Henderson  <rth@redhat.com>
1254
1255         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1256         From Patrik Marlier <patrick.marlier@unine.ch>.
1257
1258 2011-02-03  Richard Henderson  <rth@redhat.com>
1259
1260         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1261         * configure.ac: Use it.
1262         * configure, config.h.in: Rebuild.
1263         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1264         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1265         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1266         * libitm.map: Use wildcards to match size_t mangling.
1267
1268 2010-12-14  Richard Henderson  <rth@redhat.com>
1269
1270         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1271         blocks of TIDs per thread.
1272         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1273         (setup_gtm_thr): Return the thread structure.
1274         * config/x86/tls.h (setup_gtm_thr): Likewise.
1275
1276 2010-12-14  Richard Henderson  <rth@redhat.com>
1277
1278         * clone.cc (table_lock): Remove.
1279         (find_clone): Don't take it.
1280         (ExcludeTransaction): New helper class.
1281         (_ITM_registerTMCloneTable): Use it.
1282         (_ITM_deregisterTMCloneTable): Likewise.
1283
1284 2010-12-14  Richard Henderson  <rth@redhat.com>
1285
1286         * config/x86/tls.h: New file.
1287
1288 2010-07-15  Richard Henderson  <rth@redhat.com>
1289
1290         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1291         * Makefile.in: Rebuild.
1292
1293 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1294
1295         * method-wbetl.cc (trydropreference): Fix source line.
1296
1297 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1298
1299         * libitm.h: Add comment.
1300         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1301
1302 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1303
1304         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1305         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1306         available, use pthread mutexes.
1307         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1308         * config.h.in: Regenerate.
1309         * configure: Regenerate.
1310
1311 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1312
1313         * libitm.h (ITM_PURE): Define.
1314         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1315
1316 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1317
1318         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1319         (validate): Add comment.
1320         (trydropreference): New.
1321         * method-readonly.cc (class readonly_dispatch): Add
1322         trydropreference.
1323         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1324         Call trydropreference().
1325         * libitm.h (_ITM_dropReferences): Remove const attribute.
1326         * method-serial.cc (class serial_dispatch): Add trydropreference.
1327         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1328
1329 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1330
1331         * memcpy.cc (do_memcpy): Comment.
1332
1333 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1334
1335         * barrier.tpl: Add comments throughout.
1336
1337 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1338
1339         * method-wbetl.cc (struct w_entry): Add comments.
1340         (trycommit): Same.
1341         (rollback): Same.
1342
1343 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1344
1345         * alloc_c.cc (_ITM_dropReferences): New.
1346         * libitm.map (_ITM_dropReferences): Add.
1347         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1348         * libitm_i.h (struct gtm_transaction): Declare
1349         drop_references_allocations and drop_references_local.
1350         * local.cc (rollback_local): Ignore memory when applicable.
1351         (drop_references_local): New.
1352
1353 2010-06-23  Richard Henderson  <rth@redhat.com>
1354
1355         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1356         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1357         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1358         * config/alpha/target.h: Likewise.
1359         * config/generic/tls.cc (gtm_mask_stack): Use it.
1360
1361 2010-06-23  Richard Henderson  <rth@redhat.com>
1362
1363         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1364         a mutex instead of trying a lock-free compare-and-swap on the list.
1365         (gtm_cacheline_page::operator delete): Likewise.
1366
1367 2010-06-16  Richard Henderson  <rth@redhat.com>
1368
1369         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1370         that overlap the libitm stack.
1371         * barrier.tpl: Mark incoming stack.
1372         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1373         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1374         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1375         * memcpy.cc, memset.cc: Likewise.
1376         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1377         * config/generic/tls.h (gtm_thread): Add stack_top member.
1378         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1379         * libitm_i.h (gtm_mask_stack): Declare.
1380         * config/generic/tls.cc: New file.
1381         * Makefile.am (libitm_la_SOURCES): Add it.
1382         (AM_CXXFLAGS): Turn off exceptions.
1383         * Makefile.in: Rebuild.
1384
1385 2010-06-16  Richard Henderson  <rth@redhat.com>
1386
1387         * alloc.cc (struct gtm_alloc_action): Move definition ...
1388         * libitm_i.h: ... here.
1389         (class gtm_transaction): Declare new and delete.
1390         * beginend.cc (alloc_tx): Reformulate as operator new.
1391         (free_tx): Reformulate as operator delete.
1392         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1393
1394 2010-06-11  Richard Henderson  <rth@redhat.com>
1395
1396         * clone.cc (clone_entry_compare): Fix typo.
1397         From Patrik Marlier <patrick.marlier@unine.ch>.
1398
1399 2010-05-13  Richard Henderson  <rth@redhat.com>
1400
1401         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1402         in extern "C".
1403
1404 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1405
1406         * libitm_i.h (struct gtm_transaction): Remove
1407         get_allocation_size.
1408         (record_allocation): Remove size parameter.
1409         * libitm.map (_ITM_realloc): Remove.
1410         * alloc_c.cc (_ITM_realloc): Remove.
1411         (_ITM_malloc): Remove size argument to record_allocation.
1412         (_ITM_calloc): Same.
1413         * alloc_cpp.cc (_ZGTtnwm): Same.
1414         (_ZGTtnwmRKSt9nothrow_t): Same.
1415         (_ZGTtnam): Same.
1416         (_ZGTtnamRKSt9nothrow_t): Same.
1417         * alloc.cc (struct gtm_alloc_action): Remove size.
1418         (get_allocation_size): Remove.
1419         (commit_allocations): Add comment.
1420         (record_allocation): Remove size parameter.
1421         (forget_allocation): Remove set of size.
1422
1423 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1424
1425         * Makefile.am (abi_version): New.
1426         (AM_CXXFLAGS): Pass abi_version.
1427         * Makefile.in: Regenerate.
1428         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1429
1430 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1431
1432         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1433         _ITM_getTMCloneOrIrrevokable.
1434         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1435         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1436
1437 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1438
1439         * configure.ac: Remove Linux futex support.
1440         * configure.tgt (config_path): Same.
1441         * Makefile.am: Same.
1442         * config/linux: Remove entire directory.
1443         * configure: Rebuild.
1444         * Makefile.in: Rebuild.
1445         * testsuite/Makefile.in: Rebuild.
1446
1447 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1448
1449         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1450         switching to serial mode.
1451         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1452
1453 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1454
1455         * configure.tgt: Add emacs -*- tags.
1456         * barrier.tpl: Same.
1457
1458 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1459
1460         * Makefile.am: Rename serial.cc to method-serial.cc.
1461         * Makefile.in: Regenerate with automake 1.11.1.
1462         * testsuite/Makefile.in: Same.
1463         * aclocal.m4: Regenerate with aclocal 1.11.1.
1464         * method-serial.cc: Rename from serial.cc.
1465         * libitm_i.h (struct gtm_transaction): Update comment on
1466         serialirr_mode.
1467
1468 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1469
1470         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1471         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1472
1473 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1474
1475         * configure: Rebuild.
1476
1477 2009-11-12  Richard Henderson  <rth@redhat.com>
1478
1479         * Rewrite everything in C++.
1480
1481 2009-11-03  Richard Henderson  <rth@redhat.com>
1482
1483         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1484         * Makefile.am (libitm_la_SOURCES): Add them.
1485         * configure.ac (ARCH_X86): New conditional.
1486         * Makefile.in, configure: Rebuild.
1487         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1488         Move futex setup into "other system configury" case.
1489         * local.c (rollback_local): Merge into ...
1490         (GTM_rollback_local): ... here.
1491         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1492         (_ITM_LB): Define as an alias to GTM_LB.
1493
1494 2009-11-03  Richard Henderson  <rth@redhat.com>
1495
1496         * method-readonly.c: New file.
1497         * Makefile.am (libitm_la_SOURCES): Add it.
1498         * Makefile.in: Rebuild.
1499         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1500         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1501         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1502         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1503         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1504         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1505         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1506         gtm_get_clock, gtm_inc_clock): New.
1507         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1508         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1509         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1510         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1511         replace uses with new libitm_i.h symbols.
1512         (dispatch_wbetl): Rename from wbetl_dispatch.
1513         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1514         away from dispatch_readonly; abort if the beginTransaction call
1515         asserted that the transaction was readonly.
1516
1517 2009-11-03  Richard Henderson  <rth@redhat.com>
1518
1519         * memset.c: New file.
1520         * Makefile.am (libitm_la_SOURCES): Add it.
1521         * Makefile.in: Rebuild.
1522         * testsuite/libitm.c/memset-1.c: New.
1523
1524 2009-11-03  Richard Henderson  <rth@redhat.com>
1525
1526         * dispatch.c: Remove file.
1527         * useraction.c (struct gtm_user_action): Move from libitm.h.
1528         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1529         (serial_memset, serial_memmove, serial_memcpy): Remove.
1530         (serial_W*, serial_R*): Remove.
1531         (serial_dispatch): Update to match.
1532         * configure.ac: Move Werror down below configure checks.  Don't
1533         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1534         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1535         Use GCC_AC_FUNC_MMAP_BLACKLIST
1536         * libitm.h: Split out all internal items to...
1537         * libitm_i.h: ... here.  New file.
1538         * copymask.c: New file.
1539         * local.c (struct gtm_local_undo): Move from libitm.h.
1540         (GTM_alloc_local): Rename from alloc_local; export.
1541         * memcpy.c: New file.
1542         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1543         * config/posix/page.c: New file.
1544         * config/posix/target_tls.h: Remove file.
1545         * barrier.c: New file.
1546         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1547         copymask.c, page.c.
1548         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1549         * method-wbetl.c: Rewrite for new cacheline methods.
1550         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1551
1552         * config/alpha/sjlj.S: Fix typo.
1553         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1554         * config/alpha/copymask.c: New file.
1555         * config/alpha/target.h (CACHELINE_SIZE): New.
1556         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1557
1558         * config/x86/target_i.h: Copy functions from x86/target.h.
1559         * config/x86/copymask.c: New file.
1560         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1561         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1562         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1563         * config/x86/target_tls.h: Move contents to target_i.h.
1564
1565         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1566         * testsuite/libitm.c/memcpy-1.c: New.
1567
1568 2009-10-22  Richard Henderson  <rth@redhat.com>
1569
1570         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1571         (AM_CCASFLAGS): New.
1572         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1573         saving/restoring _AC_ARG_VAR_PRECIOUS.
1574         * Makefile.in, aclocal.m4, config.h.in, configure,
1575         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1576
1577 2009-10-22  Richard Henderson  <rth@redhat.com>
1578
1579         * testsuite/*: Update for new compiler syntax.
1580
1581 2009-10-21  Richard Henderson  <rth@redhat.com>
1582
1583         * libitm.h (_ITM_abortReason): Add outerAbort.
1584
1585 2009-08-03  Richard Henderson  <rth@redhat.com>
1586
1587         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1588         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1589         * method-wbetl.c (struct w_entry): Remove mask.
1590         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1591         adjust all callers.
1592
1593 2009-07-22  Richard Henderson  <rth@redhat.com>
1594
1595         * eh_cpp.c: New file.
1596         * Makefile.am (libitm_la_SOURCES): Add it.
1597         * Makefile.in: Rebuild.
1598         * beginend.c (GTM_rollback_transaction): Undo exception state.
1599         (GTM_trycommit_transaction): Mark inline.
1600         (GTM_trycommit_and_finalize_transaction): Split out from ...
1601         (_ITM_commitTransaction): ... here.
1602         (_ITM_commitTransactionEH): New function.
1603         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1604         cxa_unthrown, eh_in_flight; reorder.
1605
1606         * testsuite/libitm.c++/c++.exp: New.
1607         * testsuite/libitm.c++/eh-1.C: New.
1608
1609         * aatree.c (aa_free): Remove REGPARM.
1610         * aatree.h: Remove all REGPARM.
1611
1612 2009-07-18  Richard Henderson  <rth@redhat.com>
1613
1614         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1615         * Makefile.am (libitm_la_SOURCES): Add them.
1616         * Makefile.in: Rebuild.
1617         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1618         (GTM_trycommit_transaction): Likewise.
1619         * libitm.h: Include aatree.h
1620         (struct gtm_alloc_action): New.
1621         (struct gtm_transaction): Add alloc_actions.
1622         (GTM_record_allocation, GTM_forget_allocation): Declare.
1623         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1624         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1625         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1626         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1627         _ZGTtdaPvRKSt9nothrow_t): Export.
1628
1629 2009-07-18  Richard Henderson  <rth@redhat.com>
1630
1631         * target_tls.h: Move ...
1632         * config/posix/target_tls.h: ... here.
1633
1634 2009-07-07  Richard Henderson  <rth@redhat.com>
1635
1636         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1637
1638 2009-07-07  Richard Henderson  <rth@redhat.com>
1639
1640         * Update to GPL3.
1641
1642 2009-07-07  Richard Henderson  <rth@redhat.com>
1643
1644         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1645         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1646
1647         * configure.tgt: Don't use -ftls-model for x86 linux.
1648         * libitm.h: Include target.h after standard includes.
1649         (_gtm_thr): Rename from gtm_thr.
1650         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1651         (gtm_disp, set_gtm_disp): New.
1652         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1653         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1654         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1655
1656 2009-07-07  Richard Henderson  <rth@redhat.com>
1657
1658         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1659
1660 2009-07-06  Richard Henderson  <rth@redhat.com>
1661
1662         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1663         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1664         (_ITM_beginTransaction): Take variadic arguments.
1665         (_ITM_registerThrownObject): Declare.
1666         * beginend.c, serial.c: Update.
1667         * libitm.map: Add _ITM_registerThrownObject.
1668
1669 2009-01-28  Richard Henderson  <rth@redhat.com>
1670
1671         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1672         * Makefile.in: Rebuild.
1673         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1674         (GTM_restart_transaction): Fix uninstrumented code check.
1675         * retry.c (GTM_decide_retry_strategy): Add serial check.
1676         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1677         automatically go irrevokable when in serial mode.
1678         * clone.c: New file.
1679         * libitm.h, libitm.map: Update.
1680
1681 2009-01-27  Richard Henderson  <rth@redhat.com>
1682
1683         * Makefile.am (LTCCASCOMPILE): Define.
1684         (libitm_la_SOURCES): Add methid-wbetl.c.
1685         * testsuite/Makefile.am: New
1686         * configure.ac: Add testsuite/Makefile.
1687         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1688         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1689         (_ITM_abortTransaction): Finalize implementation method; pass
1690         transaction properties to longjmp.
1691         (GTM_restart_transaction): Split out from ...
1692         (_ITM_commitTransaction): ... here.
1693         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1694         Move to config/x86/target.h.
1695         * config/linux/alpha/futex_bits.h: New.
1696         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1697         * config/x86/target.h: Disable target types for 32-bit.
1698         * config/alpha/sjlj.S, config/alpha/target.h: New.
1699         * libitm.h (struct gtm_dispatch): Add init, fini.
1700         (enum restart_reason): New.
1701         (struct gtm_transaction): Add method and restarts.
1702         * retry.c (GTM_decide_retry_strategy): Implement.
1703         * serial.c (serial_init, serial_fini): New.
1704         (GTM_serialmode): Finialize outgoing method.
1705         * method-wbetl.c: New.
1706
1707 2008-12-09  Richard Henderson  <rth@redhat.com>
1708
1709         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1710         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1711         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1712         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1713         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1714         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1715         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1716         * serial.c (serial_R##T, serial_W##T): Likewise.
1717
1718 2008-11-21  Richard Henderson  <rth@redhat.com>
1719
1720         * Initial commit.