libitm/ChangeLog

   1 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
   2
   3         Update copyright years.
   4
   5 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
   6
   7         * libitm.texi: Bump @copying's copyright year.
   8
   9 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  10
  11         * testsuite/lib/libitm.exp: Load target-utils.exp.
  12         Move load of target-supports.exp earlier.
  13
  14 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  15
  16         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  17
  18 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  19
  20         PR bootstrap/63784
  21         * configure: Regenerated.
  22
  23 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  24
  25         PR target/63610
  26         * configure: Regenerate.
  27
  28 2014-10-06  Marek Polacek  <polacek@redhat.com>
  29
  30         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  31         * testsuite/libitm.c/memset-1.c: Likewise.
  32
  33 2014-07-24  Richard Henderson  <rth@redhat.com>
  34
  35         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  36         addressing mode in epilogue.
  37
  38 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  39
  40         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  41         -mclear-hwcap instead.
  42         * configure: Regenerate.
  43         * clearcap.map: Remove.
  44
  45 2014-05-21  John Marino  <gnugcc@marino.st>
  46
  47         * configure.tgt (*-*-dragonfly*): New target.
  48
  49 2014-05-19  Richard Henderson  <rth@redhat.com>
  50
  51         * config/aarch64/sjlj.S: New file.
  52         * config/aarch64/target.h: New file.
  53         * configure.tgt: Enable aarch64.
  54
  55 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  56
  57         * config/generic/asmcfi.h: Also check for
  58         __GCC_HAVE_DWARF2_CFI_ASM.
  59
  60 2013-04-02  Richard Henderson  <rth@redhat.com>
  61
  62         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  63         * config/arm/target.h, config/sh/target.h: Likewise.
  64         * config/sparc/target.h, config/x86/target.h: Likewise.
  65
  66 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  67
  68         * config/linux/futex_bits.h: Include errno.h.
  69         (sys_futex0): If syscall returns -1, return -errno rather than
  70         -1.
  71
  72 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  73
  74         * libitm.texi (Index): Rename to Library Index.
  75
  76 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  77
  78         PR libitm/53113
  79         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  80         (x86_avx.lo): Append -mavx to CXXFLAGS.
  81         * Makefile.in: Regenerate.
  82
  83 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  84
  85         Update copyright years
  86
  87 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  88
  89         * libitm.texi: Bump @copying's copyright year.
  90
  91 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  92
  93         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  94         (FUNC): Define ELFv2 variant.
  95         (END): Likewise.
  96         (HIDDEN): Likewise.
  97         (CALL): Likewise.
  98         (BASE): Likewise.
  99         (LR_SAVE): Likewise.
 100
 101 2013-09-20  Alan Modra  <amodra@gmail.com>
 102
 103         * configure: Regenerate.
 104
 105 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 106
 107         * config/posix/rwlock.cc: Fix initialization order.
 108
 109 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 110
 111         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 112         (htm_fastpath): Assign an asm name.
 113         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 114         HTM fast paths.
 115         (_ITM_actions): Likewise.
 116         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 117         x86_64.
 118         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 119         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 120         field to the start of the structure.
 121         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 122         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 123         handling for custom HTM fast paths.
 124
 125 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 126         Revert:
 127         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 128
 129         * configure.tgt: Add -msoft-float to XCFLAGS.
 130
 131 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 132
 133         * configure.tgt: Add -msoft-float to XCFLAGS.
 134
 135 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 136
 137         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 138         (htm_transaction_active): Enable zEC12 instructions in the
 139         assembler.
 140         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 141
 142 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 143
 144         * acinclude.m4: Add htm asm check for s390.
 145         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 146         * configure: Regenerate.
 147         * config/s390/target.h: Remove __HTM__ check.
 148         (htm_available): Call getauxval to get hwcaps and check whether
 149         HTM is available or not.
 150
 151 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 152
 153         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 154         * configure.ac: Use it.
 155         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 156         (AC_CHECK_FUNCS): Check for getauxval.
 157         * config.h.in, configure: Rebuild.
 158         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 159         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 160         (USE_HTM_FASTPATH): Define.
 161         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 162         _HTM_RETRIES) New macros.
 163         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 164         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 165
 166 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 167
 168         * config/s390/target.h: Include htmintrin.h.
 169         (_HTM_ITM_RETRIES): New macro definition.
 170         (htm_available, htm_init, htm_begin, htm_begin_success)
 171         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 172
 173 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 174             Cesar Philippidis  <cesar@codesourcery.com>
 175
 176         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 177         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 178         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 179         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 180
 181 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 182
 183         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 184         (_ITM_getTransactionId): Same.
 185         * config/x86/target.h (htm_transaction_active): New.
 186
 187 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 188
 189         PR libitm/57643
 190         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 191         the HTM fastpath.
 192
 193 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 194
 195         PR bootstrap/56714
 196         * local_atomic (__always_inline): Always define our version.
 197         (__calculate_memory_order): Mark inline.
 198         (atomic_thread_fence): Ditto.
 199         (atomic_signal_fence): Ditto.
 200         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 201         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 202         (atomic_bool::atomic_flag_test_and_set): Ditto.
 203         (atomic_bool::atomic_flag_clear): Ditto.
 204
 205 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 206
 207         * config/s390/sjlj.S: New file.
 208         * config/s390/target.h: New file.
 209         * configure.tgt: Set options for S/390.
 210
 211 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 212
 213         * local_atomic (__always_inline): Add.
 214         (__calculate_memory_order, atomic_thread_fence,
 215          atomic_signal_fence, test_and_set, clear, store, load,
 216          exchange, compare_exchange_weak, compare_exchange_strong,
 217          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 218         Add __always_inline to force inlining.
 219
 220 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 221             Jack Howarth  <howarth@bromo.med.uc.edu>
 222             Patrick Marlier  <patrick.marlier@gmail.com>
 223
 224         PR libitm/55693
 225         * alloc_cpp.cc: Enable function declarations on darwin.
 226         * eh_cpp.cc: Likewise.
 227
 228 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 229
 230         Update copyright years.
 231
 232 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 233
 234         * beginend.cc (htm_fastpath): New.
 235         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 236         _ITM_commitTransactionEH): Add HTM fastpath handling.
 237         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 238         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 239         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 240         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 241         * configure.tgt: Add -mrtm to XCFLAGS.
 242         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 243         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 244         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 245         * retry.cc (parse_default_method): Add HTM method parsing.
 246         (gtm_thread::number_of_threads_changed): Use HTM by default if
 247         available.
 248
 249 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 250
 251         * configure: Regenerate.
 252
 253 2012-10-31  Richard Henderson  <rth@redhat.com>
 254
 255         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 256         * configure.ac: Use it.
 257         * config.h.in, configure: Rebuild.
 258         * testsuite/Makefile.in: Rebuild.
 259
 260 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 261
 262         * libitm.texi: Clarify ABI requirements for data-logging functions.
 263
 264 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 265
 266         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 267         it requires serial mode instead of assuming that for certain
 268         dispatchs.
 269         * dispatch.h (abi_dispatch::requires_serial): New.
 270         (abi_dispatch::abi_dispatch): Adapt.
 271         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 272         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 273         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 274         serial_dispatch::serial_dispatch,
 275         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 276
 277 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 278
 279         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 280         and ia32 declarations some more.
 281         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 282
 283 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 284
 285         PR other/43620
 286         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 287         * configure: Regenerate.
 288         * Makefile.in: Regenerate.
 289
 290 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 291
 292         * configure: Regenerated.
 293
 294 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 295
 296         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 297
 298 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 299
 300         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 301
 302 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 303
 304         * configure: Regenerated.
 305
 306 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 307
 308         PR libitm/52854
 309         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 310         for x86-64.
 311
 312 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 313
 314         * configure: Regenerate.
 315
 316 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 317
 318         PR bootstrap/52812
 319         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 320
 321 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 322
 323         * testsuite/lib/libitm.exp: load fortran-modules.exp
 324
 325 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 326
 327         * configure.tgt (*-*-irix6*): Remove.
 328
 329 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 330
 331         PR libitm/52526
 332         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 333         wake-up.
 334
 335 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 336
 337         * configure.tgt (*-*-osf*): Remove.
 338         * configure: Regenerate.
 339
 340 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 341
 342         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 343         memtransfer/memset if size isn't larger than zero.
 344
 345 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 346
 347         * libitm.texi: Link to specification and add a usage example.
 348
 349 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 350
 351         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 352         default dispatch for more than 1 thread to ml_wt.
 353
 354 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 355
 356         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 357
 358 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 359
 360         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 361
 362 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 363
 364         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 365         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 366         (gl_wt_dispatch.rollback): Same.
 367
 368 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 369
 370         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 371
 372 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 373
 374         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 375         for RfW src.  Optimize number of calls to gtm_thr.
 376
 377 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 378
 379         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 380         acquisition to ...
 381         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 382         (default_dispatch): Make atomic.
 383         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 384         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 385         use decide_begin_dispatch() if default_dispatch might have changed.
 386         (GTM::gtm_thread::number_of_threads_changed): Initialize
 387         default_dispatch here.
 388
 389 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 390             Patrick Marlier  <patrick.marlier@gmail.com>
 391
 392         PR libitm/52220
 393         * alloc_cpp.cc: No dummy definitions for darwin.
 394         * eh_cpp.cc: Likewise.
 395
 396 2012-02-14  Richard Henderson  <rth@redhat.com>
 397
 398         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 399
 400 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 401
 402         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 403
 404 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 405
 406         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 407         (GTM::gtm_thread): Add read and write logs.
 408         (GTM::dispatch_ml_wt): Declare.
 409         * retry.cc (parse_default_method): Support ml_wt.
 410         * method-ml.cc: New file.
 411         * Makefile.am: Add method-ml.cc.
 412         * Makefile.in: Regenerate.
 413
 414 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 415
 416         * dispatch.h (GTM::abi_dispatch::supports): New.
 417         (GTM::method_group::reinit): New.
 418         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 419         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 420         supports the current situation.
 421
 422 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 423
 424         * util.cc (GTM::xcalloc): New.
 425         * common.h (GTM::xcalloc): Declare.
 426
 427 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 428
 429         * config/sparc/target.h (cpu_relax): Read from CC register.
 430         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 431
 432 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 433
 434         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 435
 436 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 437
 438         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 439         * config/sparc/cacheline.h: New file.
 440         * config/sparc/target.h: Likewise.
 441         * config/sparc/sjlj.S: Likewise.
 442         * config/linux/sparc/futex_bits.h: Likewise.
 443
 444 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 445
 446         * configure.ac (link_itm): Fix comment.
 447         * configure: Regenerate.
 448         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 449
 450 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 451
 452         PR libitm/51822
 453         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 454         Correct libgomp references.
 455
 456 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 457
 458         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 459         wake-up.
 460
 461 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 462
 463         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 464         end of structure.
 465         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 466         offset values.  Do not copy return address.  Decrement stack
 467         by 56 bytes only.
 468         (GTM_longjump) [__x86_64__]: Update offset values.
 469
 470 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 471
 472         PR libitm/51830
 473         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 474         the first function argument to %eax.
 475
 476 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 477
 478         * libitm.h (_ITM_getThreadnum): Remove.
 479         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 480
 481 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 482
 483         * clearcap.map: New file.
 484         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 485         * configure.ac: Call it.
 486         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 487         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 488         * configure: Regenerate.
 489         * Makefile.in: Regenerate.
 490         * testsuite/Makefile.in: Regenerate.
 491
 492 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 493
 494         PR libitm/51173
 495         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 496         include, exclude options.
 497
 498 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 499
 500         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 501         rolling back.
 502         * containers.h (GTM::vector::set_size): New.
 503
 504 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 505
 506         PR libitm/51855
 507         * config/generic/tls.h (GTM::mask_stack_top): New.
 508         (GTM::mask_stack_bottom): Declare.
 509         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 510         * local.cc (gtm_undolog::rollback): Filter out any updates that
 511         overlap the libitm stack.  Add current transaction as parameter.
 512         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 513         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 514         * testsuite/libitm.c/stackundo.c: New test.
 515
 516 2012-01-10  Richard Henderson  <rth@redhat.com>
 517
 518         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 519         * eh_cpp.cc (_Unwind_DeleteException): Define for
 520         !HAVE_ELF_STYLE_WEAKREF.
 521
 522 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 523
 524         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 525         (GTM::gtm_thread::drop_references_undolog): Remove.
 526         (GTM::gtm_thread::commit_undolog,
 527         GTM::gtm_thread::rollback_undolog): Move to ...
 528         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 529         (GTM::gtm_undolog_entry): Remove.
 530         (GTM::gtm_thread): Adapt.
 531         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 532         (GTM::gtm_thread::trycommit): Adapt.
 533         * method-serial.cc (serial_dispatch::log): Adapt.
 534         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 535         (gl_wt_dispatch::store): Fix likely/unlikely.
 536         * containers.h (GTM::vector::resize): Add additional_capacity
 537         parameter and handle it.
 538         (GTM::vector::resize_noinline): New/adapt.
 539         (GTM::vector::push): New.
 540
 541 2012-01-06  Richard Henderson  <rth@redhat.com>
 542
 543         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 544         * config/linux/powerpc/futex_bits.h: New file.
 545         * config/powerpc/cacheline.h: New file.
 546         * config/powerpc/sjlj.S: New file.
 547         * config/powerpc/target.h: New file.
 548         * config/generic/asmcfi.h (cfi_offset): New.
 549         (cfi_restore, cfi_undefined): New.
 550
 551 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 552
 553         PR other/51171
 554         * testsuite/libitm.c/reentrant.c: Remove xfail.
 555         (thread): Pass x to pure().
 556         From Patrik Marlier <patrick.marlier@gmail.com>.
 557
 558 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 559
 560         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 561         privatization safety if already in serial mode.
 562
 563 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 564
 565         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 566         finish_serial_upgrade parameter.
 567         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 568         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 569         Don't unset reader flag.
 570         (GTM::gtm_rwlock::write_upgrade_finish): New.
 571         * config/posix/rwlock.cc: Same.
 572         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 573         Declare.
 574         * config/posix/rwlock.h: Same.
 575         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 576         flag after commit or after rollback when restarting.
 577
 578 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 579
 580         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 581         (GTM::gtm_thread::try_commit): Changed memory order.
 582         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 583         as parameter.
 584         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 585         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 586         * config/linux/futex_bits.h (sys_futex0): Same.
 587         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 588         * config/linux/futex.h (futex_wait, futex_wake): Same.
 589         * config/linux/rwlock.h (gtm_rwlock::writers,
 590         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 591         ints.
 592         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 593         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 594         gtm_rwlock::write_unlock): Fix memory orders and fences.
 595         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 596         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 597         gtm_rwlock::write_unlock): Same.
 598         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 599         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 600         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 601         Add comments.
 602         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 603         gl_wt_dispatch::load, gl_wt_dispatch::store,
 604         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 605         orders and fences.  Add comments.
 606
 607 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 608
 609         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 610         * Makefile.in: Regenerated.
 611
 612 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 613
 614         * configure.tgt: Add sh* case.
 615         * config/sh/target.h: New file.
 616         * config/sh/sjlj.S: New file.
 617         * config/linux/sh/futex_bits.h: New file.
 618
 619 2011-12-14  Richard Henderson  <rth@redhat.com>
 620
 621         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 622         * config/arm/sjlj.S, config/arm/target.h: New files.
 623         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 624         (cfi_rel_offset): New.
 625         * config/linux/futex_bits.h: New file.
 626         * config/linux/futex.cc: Include futex_bits.h here...
 627         * config/linux/futex.h: ... not here.
 628         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 629         * configure.ac (ARCH_AM): New conditional.
 630         * Makefile.in, configure: Rebuild.
 631         * configure.tgt: Handle ARM.
 632
 633 2011-12-13  Richard Henderson  <rth@redhat.com>
 634
 635         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 636         signed/unsigned comparison werror.
 637
 638         * local_atomic: New file.
 639         * libitm_i.h: Include it.
 640         (gtm_thread::shared_state): Use atomic template.
 641         * beginend.cc (GTM::gtm_clock): Use atomic template.
 642         (global_tid): Use atomic template if 64-bit atomics available.
 643         (gtm_thread::gtm_thread): Update shared_state access.
 644         (gtm_thread::trycommit): Likewise.
 645         (choose_code_path): Update global_tid access.
 646         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 647         * stmlock.h (GTM::gtm_clock): Use atomic template.
 648         (gtm_get_clock, gtm_inc_clock): Update accesses.
 649         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 650         redundant __sync_synchronize after atomic shared_state access.
 651         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 652         (gtm_rwlock::write_lock_generic): Likewise.
 653         (gtm_rwlock::read_unlock): Likewise.
 654         * config/alpha/target.h (atomic_read_barrier): Remove.
 655         (atomic_write_barrier): Remove.
 656         * config/x86/target.h (atomic_read_barrier): Remove.
 657         (atomic_write_barrier): Remove.
 658
 659 2011-11-30  Richard Henderson  <rth@redhat.com>
 660
 661         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 662         * beginend.c (_ITM_abortTransaction): Update to match.
 663         (GTM::gtm_thread::restart): Likewise.
 664         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 665         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 666
 667 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 668
 669         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 670         * Makefile.in: Regenerate.
 671
 672 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 673
 674         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 675         * alloc_cpp.cc: Generate dummy functions if we don't
 676         HAVE_ELF_STYLE_WEAKREF.
 677         * eh_cpp.cc: Likewise.
 678         * configure: Regenerate.
 679         * aclocal.m4:  Likewise.
 680         * config.h.in: Likewise.
 681         * Makefile.in: Likewise.
 682         * testsuite/Makefile.in: Likewise.
 683
 684 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 685
 686         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 687         __USER_LABEL_PREFIX__ for targets that use it.
 688         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 689         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 690         in portability to non-elf targets.
 691         (GTM_longjmp): Likewise.
 692         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 693         where required.
 694
 695 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 696
 697         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 698         * testsuite/libitm.c/memset-1.c: Likewise.
 699
 700 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 701
 702         * configure: Regenerate.
 703
 704 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 705
 706         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 707         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 708         * Makefile.am: Handle sun style versioning.
 709         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 710         * configure: Regenerate.
 711         * Makefile.in: Regenerate.
 712
 713 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 714
 715         * config/generic/asmcfi.h: Fix comment.
 716         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 717         sequence without .hidden support, error for non-ELF targets.
 718         (GTM_longjmp) [__ELF__]: Only use .hidden if
 719         HAVE_ATTRIBUTE_VISIBILITY.
 720
 721 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 722
 723         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 724         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 725         Dummy functions.
 726         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 727         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 728
 729 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 730
 731         PR bootstrap/51098
 732         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 733         * configure: Regenerate.
 734
 735 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 736
 737         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 738
 739 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 740
 741         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 742         .hidden.
 743         (.note.GNU-stack): Only use if __linux__.
 744         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 745         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 746         * testsuite/libitm.c/reentrant.c: Likewise.
 747         * testsuite/libitm.c/simple-2.c: Likewise.
 748         * testsuite/libitm.c/txrelease.c: Likewise.
 749         * testsuite/libitm.c++/static_ctor.C: Likewise.
 750
 751 2011-11-10  Richard Henderson  <rth@redhat.com>
 752
 753         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 754         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 755         * configure.ac (ARCH_X86_AVX): New conditional.
 756         * Makefile.in, configure: Rebuild.
 757
 758 2011-11-09  Richard Henderson  <rth@redhat.com>
 759
 760         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 761         * configure.ac: Use it.
 762         * config.h.in, configure: Rebuild.
 763         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 764
 765 2011-11-09  Richard Henderson  <rth@redhat.com>
 766
 767         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 768         * config/alpha/unaligned.h: Remove file.
 769         * config/generic/unaligned.h: Remove file.
 770         * config/x86/unaligned.h: Remove file.
 771         * config/generic/cachepage.h: Remove file.
 772         * config/posix/cachepage.cc: Remove file.
 773         * config/generic/cacheline.cc: Remove file.
 774         * config/x86/cacheline.cc: Remove file.
 775         * config/generic/cacheline.h (gtm_cacheline): Remove the
 776         store_mask, copy_mask, copy_mask_wb methods.
 777         * config/x86/cacheline.h: Likewise.
 778         * config/alpha/cacheline.h: Fall back to generic after setting size.
 779         * config/generic/tls.cc (gtm_mask_stack): Remove.
 780         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 781         (GTM_vpalignr_table): Remove.
 782         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 783         (GTM_pshift_table): Remove.
 784         * config/libitm_i.h: Don't include cachepage.h.
 785         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 786         * Makefile.in, testsuite/Makefile.in: Rebuild.
 787
 788 2011-11-09  Richard Henderson  <rth@redhat.com>
 789
 790         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 791         to emit branch prediction hint.
 792
 793         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 794         Protect .note.GNU-stack with __linux__.
 795
 796         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 797         * configure, aclocal.m4, config.h.in: Rebuild.
 798         * config/generic/asmcfi.h: New file.
 799         * config/x86/sjlj.S: Use it.
 800
 801 2011-11-08  Richard Henderson  <rth@redhat.com>
 802
 803         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 804
 805 2011-11-08  Richard Henderson  <rth@redhat.com>
 806
 807         * configure.tgt: Test correct directory for supported cpus.
 808
 809         * configure.ac: Exit if unsupported.
 810         * configure: Rebuild.
 811         * configure.tgt: Delete boilerplate from libgomp for unsupported
 812         targets.  Set UNSUPPORTED for unsupported targets.
 813
 814 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 815
 816         * configure.tgt: Handle i386 like i[456]86.
 817         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 818         take address.
 819         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 820         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 821
 822 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 823
 824         * method-wbetl.cc: Update copyright notice.
 825         * aatree.cc: Same.
 826         * util.cc: Same.
 827         * libitm.h: Same.
 828         * memset.cc: Same.
 829         * eh_cpp.cc: Same.
 830         * barrier.tpl: Same.
 831         * useraction.cc: Same.
 832         * stmlock.h: Same.
 833         * memcpy.cc: Same.
 834         * common.h: Same.
 835         * config/generic/tls.cc: Same.
 836         * config/generic/cacheline.h: Same.
 837         * config/generic/cachepage.h: Same.
 838         * config/generic/cacheline.cc: Same.
 839         * config/generic/unaligned.h: Same.
 840         * config/x86/cacheline.h: Same.
 841         * config/x86/cacheline.cc: Same.
 842         * config/x86/unaligned.h: Same.
 843         * config/alpha/cacheline.h: Same.
 844         * config/alpha/unaligned.h: Same.
 845         * config/alpha/sjlj.S: Same.
 846         * config/posix/cachepage.cc: Same.
 847         * config/linux/futex.h: Same.
 848         * config/linux/alpha/futex_bits.h: Same.
 849
 850 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 851
 852         * libitm.texi: No cover text and invariant sections.
 853
 854 2011-11-03  Richard Henderson  <rth@redhat.com>
 855
 856         * local_type_traits: New file.
 857         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 858
 859 2011-11-03  Richard Henderson  <rth@redhat.com>
 860
 861         * configure.ac: Don't test for gfortran.
 862         * configure: Rebuild.
 863
 864         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 865         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 866
 867 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 868
 869         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 870         * testsuite/libitm.c/memset-1.c: Same.
 871         * testsuite/libitm.c/c.exp: Same.
 872         * testsuite/lib/libitm-dg.exp: Same.
 873         * testsuite/lib/libitm.exp: Same.
 874         * testsuite/libitm.c++/c++.exp: Same.
 875
 876 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 877
 878         * testsuite/config/default.exp: Update copyright date.
 879         * configure.ac: Add copyright info.
 880         * configure.tgt: Same.
 881
 882 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 883
 884         * testsuite/libitm.c/reentrant.c: XFAIL.
 885         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 886
 887 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 888
 889         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 890         handle aborts.
 891         (_ITM_abortTransaction): Handle aborts of outer transactions.
 892         * libitm_i.h: Same.
 893         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 894         * libitm.texi: Document aborts of outer transactions.
 895         * testsuite/libitm.c/cancel.c: New file.
 896
 897 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 898
 899         * testsuite/*: Change __transaction to __transaction_atomic or
 900         __transaction_relaxed.
 901
 902 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 903
 904         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 905         (gtm_thr): Same.
 906
 907 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 908
 909         * libitm_i.h: Add gl_wt dispatch.
 910         * retry.cc (parse_default_method): Same.
 911         * method-gl.cc: New file.
 912         * Makefile.am: Use method-gl.cc.
 913         * Makefile.in: Rebuild.
 914
 915 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 916
 917         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 918         safety if requested by a TM method.
 919         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 920         privatization safety.
 921         * method-serial.cc: Same.
 922
 923 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 924
 925         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 926         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 927         undolog-related member functions from *_local to *_undolog.
 928         * local.cc (gtm_thread::commit_undolog): Same.
 929         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 930         (GTM::gtm_thread::rollback): Roll back undolog before
 931         dispatch-specific rollback.
 932
 933 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 934
 935         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 936         re-initialization of the current method group.
 937         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 938
 939 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 940
 941         * alloc.cc (commit_allocations_2): Do not free transaction-local
 942         memory when committing a nested transaction.
 943
 944 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 945
 946         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 947         serial-irrevocable dispatch, not serial.
 948
 949 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 950
 951         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 952         declarations.
 953         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 954         * method-serial.cc: Implement begin_or_restart().
 955         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 956         dispatch-specific begin_or_restart().
 957         (GTM::gtm_thread::restart): Same.
 958
 959 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 960
 961         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 962         restarting without switching to serial mode.
 963         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 964         transaction state. Choose closed-nesting alternative if available.
 965         (GTM::gtm_thread::set_default_dispatch): New.
 966         (parse_default_method): New.
 967         (GTM::gtm_thread::number_of_threads_changed): New.
 968         * method-serial.cc (GTM::serial_mg): New method group class.
 969         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 970         fini.
 971         (GTM::serial_dispatch): Same.
 972         (GTM::serialirr_onwrite_dispatch): Same.
 973         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 974         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 975         registered threads.
 976         (GTM::gtm_thread::gtm_thread): Same.
 977         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 978         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 979         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 980         choose dispatch but set state according to dispatch here.
 981         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 982         (GTM::method_group): New class.
 983         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 984         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 985         * libitm.texi: Document TM methods, method groups, method life cycle.
 986         Rename method sets to method groups.
 987
 988 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 989
 990         * config/x86/tls.h: Moved to ...
 991         * config/linux/x86/tls.h: ... here.
 992
 993 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 994
 995         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 996         Add X32 support.
 997         * config/x86/sjlj.S: Same.
 998
 999 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1000
1001         * config/linux/rwlock.h: New file.
1002         * config/linux/rwlock.c: New file.
1003         * configure.ac: Reenable futex support (undo SVN rev 157758).
1004         * Makefile.am: Same.
1005         * configure.tgt: Same.
1006         * config/linux/alpha/futex_bits.h: Same.
1007         * config/linux/futex.h: Same. Return number of woken processes.
1008         * config/linux/futex.cc: Same.
1009         (futex_wait): Remove spinning.
1010         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1011         Use __x86_64__ instead of __LP64__.
1012         * aclocal.m4: Include generic futex checks.
1013         * configure: Rebuild.
1014         * Makefile.in: Rebuild.
1015         * testsuite/Makefile.in: Rebuild.
1016         * beginend.cc: Include pthread.h.
1017         * config/posix/cachepage.cc: Same.
1018
1019 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1020
1021         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1022         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1023         (set_gtm_thr): New.
1024         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1025         (set_gtm_thr): New.
1026         (GTM::gtm_thread::thread_num): Removed.
1027         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1028         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1029         tx-to-thread renaming.
1030         * beginend.cc: Adapted to tx-to-thread renaming.
1031         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1032         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1033         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1034         gtm_transaction to gtm_thread.
1035         (_ITM_getThreadnum): Removed. Not supported anymore.
1036         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1037         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1038         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1039         gtm_tx-to-gtm_thr renaming if necessary.
1040         * eh_cpp.cc: Same.
1041         * local.cc: Same.
1042         * retry.cc: Same.
1043         * clone.cc: Same.
1044         * alloc.cc: Same.
1045         * alloc_c.cc: Same.
1046         * alloc_cpp.cc: Same.
1047         * method-serial.cc: Same.
1048         * config/generic/tls.cc: Same.
1049         * config/posix/rwlock.h (gtm_rwlock): Same.
1050         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1051
1052 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1053
1054         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1055         implementation.
1056         (gtm_rwlock::read_unlock): Same.
1057         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1058         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1059         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1060         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1061         w_upgrade. Replaced by per-transaction flags (in shared_state).
1062         Added c_confirmed_writers.
1063         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1064         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1065         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1066         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1067         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1068         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1069         * libitm.texi: Document locking conventions and implementations in
1070         libitm.
1071
1072 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1073
1074         * libitm_i.h (next_tx): Add list of all threads' transaction.
1075         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1076         transaction with list of transactions and ...
1077         (thread_exit_handler): ... deregister here.
1078         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1079         * config/x86/target.h: Same.
1080
1081 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1082
1083         * testsuite/libitm.c++/static_ctor.C: New file.
1084
1085 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1086
1087         * testsuite/libitm.c/reentrant.c: New file.
1088
1089 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1090
1091         * config/generic/tls.h: Remove the free list for transactions and ...
1092         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1093         (GTM::gtm_transaction::operator delete): ... and release here.
1094         (thread_exit_handler): New. Delete tx when thread terminates.
1095         (thread_exit_init): New.
1096         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1097         * testsuite/libitm.c/txrelease.c: New file.
1098
1099 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1100
1101         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1102         * testsuite/libitm.c/notx.c: New file.
1103
1104 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1105
1106         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1107         * libitm_i.h (local_tid): ... to here.
1108         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1109         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1110
1111 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1112
1113         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1114         serialirr_onwrite_dispatch as new default for now.
1115         * method-serial.cc (serialirr_onwrite_dispatch): New.
1116         (GTM::dispatch_serialirr_onwrite): New.
1117         * libitm_i.h: Same.
1118
1119 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1120
1121         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1122         * query.cc (_ITM_getTransactionId): There is no active transaction if
1123         the current nesting level is zero.
1124
1125 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1126
1127         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1128         rollback.
1129
1130 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1131
1132         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1133         transaction properties from the caller instead of from the
1134         transaction object.
1135         * libitm_i.h: Same.
1136         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1137
1138 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1139
1140         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1141         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1142         * dispatch.h: Same.
1143         * method-serial.cc: Same.
1144         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1145         flat nesting as default, and closed nesting on demand.
1146         (GTM::gtm_transaction::rollback): Same.
1147         (_ITM_abortTransaction): Same.
1148         (GTM::gtm_transaction::restart): Same.
1149         (GTM::gtm_transaction::trycommit): Same.
1150         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1151         (choose_code_path): New.
1152         (GTM::gtm_transaction_cp::save): New.
1153         (GTM::gtm_transaction_cp::commit): New.
1154         * query.cc (_ITM_inTransaction): Support flat nesting.
1155         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1156         (GTM::gtm_transaction): Support flat and closed nesting.
1157         * alloc.cc (commit_allocations_2): New.
1158         (commit_cb_data): New helper struct.
1159         (GTM::gtm_transaction::commit_allocations): Handle nested
1160         commits/rollbacks.
1161         * libitm.texi: Update user action section, add description of nesting.
1162
1163 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1164
1165         * libitm_i.h: Add closed nesting as restart reason.
1166         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1167
1168 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1169
1170         * useraction.cc: Use vector instead of list to store actions.
1171         Also support partial rollbacks for closed nesting.
1172         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1173         * beginend.cc: Same.
1174
1175 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1176
1177         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1178         closed_nesting flags, as well as a closed nesting alternative.
1179         * method-serial.cc: Same.
1180         (serial_dispatch): Renamed to serialirr_dispatch.
1181         (GTM::dispatch_serialirr): Same.
1182         (serial_dispatch_ul): Renamed to serial_dispatch.
1183         (GTM::dispatch_serial): Same.
1184
1185 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1186
1187         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1188
1189 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1190
1191         * aatree.h (aa_tree::remove): New.
1192         (aa_tree::operator new): Add placement new.
1193
1194 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1195
1196         * containers.h: New file.
1197         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1198         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1199         * common.h: ... to here.
1200         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1201         * local.cc: Same.
1202
1203 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1204
1205         * libitm_i.h (STATE_ABORTING): Remove.
1206         * beginend.cc (_ITM_abortTransaction): Same.
1207         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1208         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1209         (_ITM_rollbackTransaction): Remove.
1210         * beginend.cc: Same.
1211         * libitm.map: Same.
1212         * libitm.texi: Document these ABI changes.
1213
1214 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1215
1216         * libitm.texi: New file.
1217         * Makefile.am: Add libitm.texi.
1218         * Makefile.in: Rebuild.
1219
1220 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1221
1222         * libitm_i.h: Move parts to common.h and dispatch.h.
1223         * common.h: New file.
1224         * dispatch.h: New file, new dispatch class.
1225         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1226         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1227         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1228         decision to retry.cc.
1229         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1230         only.
1231         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1232         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1233         logging.
1234         * barrier.cc: Use new barriers definitions.
1235         (abi_dispatch::memmove_overlap_check): New.
1236         * config/x86/x86_sse.cc: Same.
1237         * config/x86/x86_avx.cc: Same.
1238         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1239         memcpy.cc.
1240         * Makefile.in: Rebuild.
1241         * method-readonly.cc: Remove.
1242         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1243         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1244
1245 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1246
1247         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1248         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1249         * testsuite/libitm.c/dropref-2.c: Same.
1250         * testsuite/libitm.c/dropref.c: Same.
1251
1252 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1253
1254         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1255         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1256         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1257         * alloc_c.cc: Same.
1258         * barrier.tpl: Same.
1259         * beginend.c: Same.
1260         * config/generic/tls.h: Same.
1261         * config/x86/tls.h: Same.
1262         * libitm_i.h: Same.
1263         * memcpy.cc: Same.
1264         * memset.cc: Same.
1265         * method-readonly.cc: Same.
1266         * method-serial.cc: Same.
1267         * method-wbetl.cc: Same.
1268         * retry.cc: Same.
1269
1270 2011-03-03  Richard Henderson  <rth@redhat.com>
1271
1272         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1273         From Patrik Marlier <patrick.marlier@unine.ch>.
1274
1275 2011-02-03  Richard Henderson  <rth@redhat.com>
1276
1277         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1278         * configure.ac: Use it.
1279         * configure, config.h.in: Rebuild.
1280         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1281         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1282         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1283         * libitm.map: Use wildcards to match size_t mangling.
1284
1285 2010-12-14  Richard Henderson  <rth@redhat.com>
1286
1287         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1288         blocks of TIDs per thread.
1289         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1290         (setup_gtm_thr): Return the thread structure.
1291         * config/x86/tls.h (setup_gtm_thr): Likewise.
1292
1293 2010-12-14  Richard Henderson  <rth@redhat.com>
1294
1295         * clone.cc (table_lock): Remove.
1296         (find_clone): Don't take it.
1297         (ExcludeTransaction): New helper class.
1298         (_ITM_registerTMCloneTable): Use it.
1299         (_ITM_deregisterTMCloneTable): Likewise.
1300
1301 2010-12-14  Richard Henderson  <rth@redhat.com>
1302
1303         * config/x86/tls.h: New file.
1304
1305 2010-07-15  Richard Henderson  <rth@redhat.com>
1306
1307         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1308         * Makefile.in: Rebuild.
1309
1310 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1311
1312         * method-wbetl.cc (trydropreference): Fix source line.
1313
1314 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1315
1316         * libitm.h: Add comment.
1317         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1318
1319 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1320
1321         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1322         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1323         available, use pthread mutexes.
1324         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1325         * config.h.in: Regenerate.
1326         * configure: Regenerate.
1327
1328 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1329
1330         * libitm.h (ITM_PURE): Define.
1331         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1332
1333 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1334
1335         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1336         (validate): Add comment.
1337         (trydropreference): New.
1338         * method-readonly.cc (class readonly_dispatch): Add
1339         trydropreference.
1340         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1341         Call trydropreference().
1342         * libitm.h (_ITM_dropReferences): Remove const attribute.
1343         * method-serial.cc (class serial_dispatch): Add trydropreference.
1344         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1345
1346 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1347
1348         * memcpy.cc (do_memcpy): Comment.
1349
1350 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1351
1352         * barrier.tpl: Add comments throughout.
1353
1354 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1355
1356         * method-wbetl.cc (struct w_entry): Add comments.
1357         (trycommit): Same.
1358         (rollback): Same.
1359
1360 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         * alloc_c.cc (_ITM_dropReferences): New.
1363         * libitm.map (_ITM_dropReferences): Add.
1364         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1365         * libitm_i.h (struct gtm_transaction): Declare
1366         drop_references_allocations and drop_references_local.
1367         * local.cc (rollback_local): Ignore memory when applicable.
1368         (drop_references_local): New.
1369
1370 2010-06-23  Richard Henderson  <rth@redhat.com>
1371
1372         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1373         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1374         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1375         * config/alpha/target.h: Likewise.
1376         * config/generic/tls.cc (gtm_mask_stack): Use it.
1377
1378 2010-06-23  Richard Henderson  <rth@redhat.com>
1379
1380         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1381         a mutex instead of trying a lock-free compare-and-swap on the list.
1382         (gtm_cacheline_page::operator delete): Likewise.
1383
1384 2010-06-16  Richard Henderson  <rth@redhat.com>
1385
1386         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1387         that overlap the libitm stack.
1388         * barrier.tpl: Mark incoming stack.
1389         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1390         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1391         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1392         * memcpy.cc, memset.cc: Likewise.
1393         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1394         * config/generic/tls.h (gtm_thread): Add stack_top member.
1395         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1396         * libitm_i.h (gtm_mask_stack): Declare.
1397         * config/generic/tls.cc: New file.
1398         * Makefile.am (libitm_la_SOURCES): Add it.
1399         (AM_CXXFLAGS): Turn off exceptions.
1400         * Makefile.in: Rebuild.
1401
1402 2010-06-16  Richard Henderson  <rth@redhat.com>
1403
1404         * alloc.cc (struct gtm_alloc_action): Move definition ...
1405         * libitm_i.h: ... here.
1406         (class gtm_transaction): Declare new and delete.
1407         * beginend.cc (alloc_tx): Reformulate as operator new.
1408         (free_tx): Reformulate as operator delete.
1409         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1410
1411 2010-06-11  Richard Henderson  <rth@redhat.com>
1412
1413         * clone.cc (clone_entry_compare): Fix typo.
1414         From Patrik Marlier <patrick.marlier@unine.ch>.
1415
1416 2010-05-13  Richard Henderson  <rth@redhat.com>
1417
1418         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1419         in extern "C".
1420
1421 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1422
1423         * libitm_i.h (struct gtm_transaction): Remove
1424         get_allocation_size.
1425         (record_allocation): Remove size parameter.
1426         * libitm.map (_ITM_realloc): Remove.
1427         * alloc_c.cc (_ITM_realloc): Remove.
1428         (_ITM_malloc): Remove size argument to record_allocation.
1429         (_ITM_calloc): Same.
1430         * alloc_cpp.cc (_ZGTtnwm): Same.
1431         (_ZGTtnwmRKSt9nothrow_t): Same.
1432         (_ZGTtnam): Same.
1433         (_ZGTtnamRKSt9nothrow_t): Same.
1434         * alloc.cc (struct gtm_alloc_action): Remove size.
1435         (get_allocation_size): Remove.
1436         (commit_allocations): Add comment.
1437         (record_allocation): Remove size parameter.
1438         (forget_allocation): Remove set of size.
1439
1440 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1441
1442         * Makefile.am (abi_version): New.
1443         (AM_CXXFLAGS): Pass abi_version.
1444         * Makefile.in: Regenerate.
1445         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1446
1447 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1448
1449         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1450         _ITM_getTMCloneOrIrrevokable.
1451         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1452         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1453
1454 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1455
1456         * configure.ac: Remove Linux futex support.
1457         * configure.tgt (config_path): Same.
1458         * Makefile.am: Same.
1459         * config/linux: Remove entire directory.
1460         * configure: Rebuild.
1461         * Makefile.in: Rebuild.
1462         * testsuite/Makefile.in: Rebuild.
1463
1464 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1465
1466         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1467         switching to serial mode.
1468         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1469
1470 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1471
1472         * configure.tgt: Add emacs -*- tags.
1473         * barrier.tpl: Same.
1474
1475 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1476
1477         * Makefile.am: Rename serial.cc to method-serial.cc.
1478         * Makefile.in: Regenerate with automake 1.11.1.
1479         * testsuite/Makefile.in: Same.
1480         * aclocal.m4: Regenerate with aclocal 1.11.1.
1481         * method-serial.cc: Rename from serial.cc.
1482         * libitm_i.h (struct gtm_transaction): Update comment on
1483         serialirr_mode.
1484
1485 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1486
1487         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1488         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1489
1490 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1491
1492         * configure: Rebuild.
1493
1494 2009-11-12  Richard Henderson  <rth@redhat.com>
1495
1496         * Rewrite everything in C++.
1497
1498 2009-11-03  Richard Henderson  <rth@redhat.com>
1499
1500         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1501         * Makefile.am (libitm_la_SOURCES): Add them.
1502         * configure.ac (ARCH_X86): New conditional.
1503         * Makefile.in, configure: Rebuild.
1504         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1505         Move futex setup into "other system configury" case.
1506         * local.c (rollback_local): Merge into ...
1507         (GTM_rollback_local): ... here.
1508         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1509         (_ITM_LB): Define as an alias to GTM_LB.
1510
1511 2009-11-03  Richard Henderson  <rth@redhat.com>
1512
1513         * method-readonly.c: New file.
1514         * Makefile.am (libitm_la_SOURCES): Add it.
1515         * Makefile.in: Rebuild.
1516         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1517         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1518         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1519         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1520         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1521         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1522         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1523         gtm_get_clock, gtm_inc_clock): New.
1524         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1525         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1526         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1527         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1528         replace uses with new libitm_i.h symbols.
1529         (dispatch_wbetl): Rename from wbetl_dispatch.
1530         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1531         away from dispatch_readonly; abort if the beginTransaction call
1532         asserted that the transaction was readonly.
1533
1534 2009-11-03  Richard Henderson  <rth@redhat.com>
1535
1536         * memset.c: New file.
1537         * Makefile.am (libitm_la_SOURCES): Add it.
1538         * Makefile.in: Rebuild.
1539         * testsuite/libitm.c/memset-1.c: New.
1540
1541 2009-11-03  Richard Henderson  <rth@redhat.com>
1542
1543         * dispatch.c: Remove file.
1544         * useraction.c (struct gtm_user_action): Move from libitm.h.
1545         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1546         (serial_memset, serial_memmove, serial_memcpy): Remove.
1547         (serial_W*, serial_R*): Remove.
1548         (serial_dispatch): Update to match.
1549         * configure.ac: Move Werror down below configure checks.  Don't
1550         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1551         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1552         Use GCC_AC_FUNC_MMAP_BLACKLIST
1553         * libitm.h: Split out all internal items to...
1554         * libitm_i.h: ... here.  New file.
1555         * copymask.c: New file.
1556         * local.c (struct gtm_local_undo): Move from libitm.h.
1557         (GTM_alloc_local): Rename from alloc_local; export.
1558         * memcpy.c: New file.
1559         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1560         * config/posix/page.c: New file.
1561         * config/posix/target_tls.h: Remove file.
1562         * barrier.c: New file.
1563         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1564         copymask.c, page.c.
1565         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1566         * method-wbetl.c: Rewrite for new cacheline methods.
1567         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1568
1569         * config/alpha/sjlj.S: Fix typo.
1570         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1571         * config/alpha/copymask.c: New file.
1572         * config/alpha/target.h (CACHELINE_SIZE): New.
1573         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1574
1575         * config/x86/target_i.h: Copy functions from x86/target.h.
1576         * config/x86/copymask.c: New file.
1577         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1578         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1579         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1580         * config/x86/target_tls.h: Move contents to target_i.h.
1581
1582         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1583         * testsuite/libitm.c/memcpy-1.c: New.
1584
1585 2009-10-22  Richard Henderson  <rth@redhat.com>
1586
1587         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1588         (AM_CCASFLAGS): New.
1589         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1590         saving/restoring _AC_ARG_VAR_PRECIOUS.
1591         * Makefile.in, aclocal.m4, config.h.in, configure,
1592         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1593
1594 2009-10-22  Richard Henderson  <rth@redhat.com>
1595
1596         * testsuite/*: Update for new compiler syntax.
1597
1598 2009-10-21  Richard Henderson  <rth@redhat.com>
1599
1600         * libitm.h (_ITM_abortReason): Add outerAbort.
1601
1602 2009-08-03  Richard Henderson  <rth@redhat.com>
1603
1604         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1605         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1606         * method-wbetl.c (struct w_entry): Remove mask.
1607         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1608         adjust all callers.
1609
1610 2009-07-22  Richard Henderson  <rth@redhat.com>
1611
1612         * eh_cpp.c: New file.
1613         * Makefile.am (libitm_la_SOURCES): Add it.
1614         * Makefile.in: Rebuild.
1615         * beginend.c (GTM_rollback_transaction): Undo exception state.
1616         (GTM_trycommit_transaction): Mark inline.
1617         (GTM_trycommit_and_finalize_transaction): Split out from ...
1618         (_ITM_commitTransaction): ... here.
1619         (_ITM_commitTransactionEH): New function.
1620         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1621         cxa_unthrown, eh_in_flight; reorder.
1622
1623         * testsuite/libitm.c++/c++.exp: New.
1624         * testsuite/libitm.c++/eh-1.C: New.
1625
1626         * aatree.c (aa_free): Remove REGPARM.
1627         * aatree.h: Remove all REGPARM.
1628
1629 2009-07-18  Richard Henderson  <rth@redhat.com>
1630
1631         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1632         * Makefile.am (libitm_la_SOURCES): Add them.
1633         * Makefile.in: Rebuild.
1634         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1635         (GTM_trycommit_transaction): Likewise.
1636         * libitm.h: Include aatree.h
1637         (struct gtm_alloc_action): New.
1638         (struct gtm_transaction): Add alloc_actions.
1639         (GTM_record_allocation, GTM_forget_allocation): Declare.
1640         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1641         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1642         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1643         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1644         _ZGTtdaPvRKSt9nothrow_t): Export.
1645
1646 2009-07-18  Richard Henderson  <rth@redhat.com>
1647
1648         * target_tls.h: Move ...
1649         * config/posix/target_tls.h: ... here.
1650
1651 2009-07-07  Richard Henderson  <rth@redhat.com>
1652
1653         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1654
1655 2009-07-07  Richard Henderson  <rth@redhat.com>
1656
1657         * Update to GPL3.
1658
1659 2009-07-07  Richard Henderson  <rth@redhat.com>
1660
1661         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1662         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1663
1664         * configure.tgt: Don't use -ftls-model for x86 linux.
1665         * libitm.h: Include target.h after standard includes.
1666         (_gtm_thr): Rename from gtm_thr.
1667         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1668         (gtm_disp, set_gtm_disp): New.
1669         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1670         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1671         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1672
1673 2009-07-07  Richard Henderson  <rth@redhat.com>
1674
1675         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1676
1677 2009-07-06  Richard Henderson  <rth@redhat.com>
1678
1679         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1680         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1681         (_ITM_beginTransaction): Take variadic arguments.
1682         (_ITM_registerThrownObject): Declare.
1683         * beginend.c, serial.c: Update.
1684         * libitm.map: Add _ITM_registerThrownObject.
1685
1686 2009-01-28  Richard Henderson  <rth@redhat.com>
1687
1688         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1689         * Makefile.in: Rebuild.
1690         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1691         (GTM_restart_transaction): Fix uninstrumented code check.
1692         * retry.c (GTM_decide_retry_strategy): Add serial check.
1693         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1694         automatically go irrevokable when in serial mode.
1695         * clone.c: New file.
1696         * libitm.h, libitm.map: Update.
1697
1698 2009-01-27  Richard Henderson  <rth@redhat.com>
1699
1700         * Makefile.am (LTCCASCOMPILE): Define.
1701         (libitm_la_SOURCES): Add methid-wbetl.c.
1702         * testsuite/Makefile.am: New
1703         * configure.ac: Add testsuite/Makefile.
1704         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1705         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1706         (_ITM_abortTransaction): Finalize implementation method; pass
1707         transaction properties to longjmp.
1708         (GTM_restart_transaction): Split out from ...
1709         (_ITM_commitTransaction): ... here.
1710         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1711         Move to config/x86/target.h.
1712         * config/linux/alpha/futex_bits.h: New.
1713         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1714         * config/x86/target.h: Disable target types for 32-bit.
1715         * config/alpha/sjlj.S, config/alpha/target.h: New.
1716         * libitm.h (struct gtm_dispatch): Add init, fini.
1717         (enum restart_reason): New.
1718         (struct gtm_transaction): Add method and restarts.
1719         * retry.c (GTM_decide_retry_strategy): Implement.
1720         * serial.c (serial_init, serial_fini): New.
1721         (GTM_serialmode): Finialize outgoing method.
1722         * method-wbetl.c: New.
1723
1724 2008-12-09  Richard Henderson  <rth@redhat.com>
1725
1726         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1727         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1728         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1729         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1730         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1731         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1732         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1733         * serial.c (serial_R##T, serial_W##T): Likewise.
1734
1735 2008-11-21  Richard Henderson  <rth@redhat.com>
1736
1737         * Initial commit.