libitm/ChangeLog

   1 2015-07-16  Release Manager
   2
   3         * GCC 5.2.0 released.
   4
   5 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
   6
   7         PR target/52482
   8         * config/powerpc/sjlj.S: Port to Xcode 2.5.
   9
  10 2015-04-22  Release Manager
  11
  12         * GCC 5.1.0 released.
  13
  14 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  15
  16         PR libitm/64360
  17         * libitm.c/stackundo.c (test2): Make it static.
  18         (test1): Likewise.
  19
  20 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  21
  22         Update copyright years.
  23
  24 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  25
  26         * libitm.texi: Bump @copying's copyright year.
  27
  28 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  29
  30         * testsuite/lib/libitm.exp: Load target-utils.exp.
  31         Move load of target-supports.exp earlier.
  32
  33 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  34
  35         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  36
  37 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  38
  39         PR bootstrap/63784
  40         * configure: Regenerated.
  41
  42 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  43
  44         PR target/63610
  45         * configure: Regenerate.
  46
  47 2014-10-06  Marek Polacek  <polacek@redhat.com>
  48
  49         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  50         * testsuite/libitm.c/memset-1.c: Likewise.
  51
  52 2014-07-24  Richard Henderson  <rth@redhat.com>
  53
  54         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  55         addressing mode in epilogue.
  56
  57 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  58
  59         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  60         -mclear-hwcap instead.
  61         * configure: Regenerate.
  62         * clearcap.map: Remove.
  63
  64 2014-05-21  John Marino  <gnugcc@marino.st>
  65
  66         * configure.tgt (*-*-dragonfly*): New target.
  67
  68 2014-05-19  Richard Henderson  <rth@redhat.com>
  69
  70         * config/aarch64/sjlj.S: New file.
  71         * config/aarch64/target.h: New file.
  72         * configure.tgt: Enable aarch64.
  73
  74 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  75
  76         * config/generic/asmcfi.h: Also check for
  77         __GCC_HAVE_DWARF2_CFI_ASM.
  78
  79 2013-04-02  Richard Henderson  <rth@redhat.com>
  80
  81         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  82         * config/arm/target.h, config/sh/target.h: Likewise.
  83         * config/sparc/target.h, config/x86/target.h: Likewise.
  84
  85 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  86
  87         * config/linux/futex_bits.h: Include errno.h.
  88         (sys_futex0): If syscall returns -1, return -errno rather than
  89         -1.
  90
  91 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  92
  93         * libitm.texi (Index): Rename to Library Index.
  94
  95 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  96
  97         PR libitm/53113
  98         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  99         (x86_avx.lo): Append -mavx to CXXFLAGS.
 100         * Makefile.in: Regenerate.
 101
 102 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 103
 104         Update copyright years
 105
 106 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 107
 108         * libitm.texi: Bump @copying's copyright year.
 109
 110 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 111
 112         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 113         (FUNC): Define ELFv2 variant.
 114         (END): Likewise.
 115         (HIDDEN): Likewise.
 116         (CALL): Likewise.
 117         (BASE): Likewise.
 118         (LR_SAVE): Likewise.
 119
 120 2013-09-20  Alan Modra  <amodra@gmail.com>
 121
 122         * configure: Regenerate.
 123
 124 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 125
 126         * config/posix/rwlock.cc: Fix initialization order.
 127
 128 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 129
 130         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 131         (htm_fastpath): Assign an asm name.
 132         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 133         HTM fast paths.
 134         (_ITM_actions): Likewise.
 135         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 136         x86_64.
 137         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 138         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 139         field to the start of the structure.
 140         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 141         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 142         handling for custom HTM fast paths.
 143
 144 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 145         Revert:
 146         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 147
 148         * configure.tgt: Add -msoft-float to XCFLAGS.
 149
 150 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 151
 152         * configure.tgt: Add -msoft-float to XCFLAGS.
 153
 154 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 155
 156         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 157         (htm_transaction_active): Enable zEC12 instructions in the
 158         assembler.
 159         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 160
 161 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 162
 163         * acinclude.m4: Add htm asm check for s390.
 164         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 165         * configure: Regenerate.
 166         * config/s390/target.h: Remove __HTM__ check.
 167         (htm_available): Call getauxval to get hwcaps and check whether
 168         HTM is available or not.
 169
 170 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 171
 172         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 173         * configure.ac: Use it.
 174         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 175         (AC_CHECK_FUNCS): Check for getauxval.
 176         * config.h.in, configure: Rebuild.
 177         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 178         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 179         (USE_HTM_FASTPATH): Define.
 180         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 181         _HTM_RETRIES) New macros.
 182         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 183         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 184
 185 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 186
 187         * config/s390/target.h: Include htmintrin.h.
 188         (_HTM_ITM_RETRIES): New macro definition.
 189         (htm_available, htm_init, htm_begin, htm_begin_success)
 190         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 191
 192 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 193             Cesar Philippidis  <cesar@codesourcery.com>
 194
 195         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 196         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 197         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 198         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 199
 200 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 201
 202         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 203         (_ITM_getTransactionId): Same.
 204         * config/x86/target.h (htm_transaction_active): New.
 205
 206 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 207
 208         PR libitm/57643
 209         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 210         the HTM fastpath.
 211
 212 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 213
 214         PR bootstrap/56714
 215         * local_atomic (__always_inline): Always define our version.
 216         (__calculate_memory_order): Mark inline.
 217         (atomic_thread_fence): Ditto.
 218         (atomic_signal_fence): Ditto.
 219         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 220         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 221         (atomic_bool::atomic_flag_test_and_set): Ditto.
 222         (atomic_bool::atomic_flag_clear): Ditto.
 223
 224 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 225
 226         * config/s390/sjlj.S: New file.
 227         * config/s390/target.h: New file.
 228         * configure.tgt: Set options for S/390.
 229
 230 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 231
 232         * local_atomic (__always_inline): Add.
 233         (__calculate_memory_order, atomic_thread_fence,
 234          atomic_signal_fence, test_and_set, clear, store, load,
 235          exchange, compare_exchange_weak, compare_exchange_strong,
 236          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 237         Add __always_inline to force inlining.
 238
 239 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 240             Jack Howarth  <howarth@bromo.med.uc.edu>
 241             Patrick Marlier  <patrick.marlier@gmail.com>
 242
 243         PR libitm/55693
 244         * alloc_cpp.cc: Enable function declarations on darwin.
 245         * eh_cpp.cc: Likewise.
 246
 247 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 248
 249         Update copyright years.
 250
 251 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 252
 253         * beginend.cc (htm_fastpath): New.
 254         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 255         _ITM_commitTransactionEH): Add HTM fastpath handling.
 256         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 257         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 258         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 259         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 260         * configure.tgt: Add -mrtm to XCFLAGS.
 261         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 262         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 263         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 264         * retry.cc (parse_default_method): Add HTM method parsing.
 265         (gtm_thread::number_of_threads_changed): Use HTM by default if
 266         available.
 267
 268 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 269
 270         * configure: Regenerate.
 271
 272 2012-10-31  Richard Henderson  <rth@redhat.com>
 273
 274         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 275         * configure.ac: Use it.
 276         * config.h.in, configure: Rebuild.
 277         * testsuite/Makefile.in: Rebuild.
 278
 279 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 280
 281         * libitm.texi: Clarify ABI requirements for data-logging functions.
 282
 283 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 284
 285         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 286         it requires serial mode instead of assuming that for certain
 287         dispatchs.
 288         * dispatch.h (abi_dispatch::requires_serial): New.
 289         (abi_dispatch::abi_dispatch): Adapt.
 290         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 291         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 292         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 293         serial_dispatch::serial_dispatch,
 294         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 295
 296 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 297
 298         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 299         and ia32 declarations some more.
 300         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 301
 302 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 303
 304         PR other/43620
 305         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 306         * configure: Regenerate.
 307         * Makefile.in: Regenerate.
 308
 309 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 310
 311         * configure: Regenerated.
 312
 313 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 314
 315         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 316
 317 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 318
 319         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 320
 321 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 322
 323         * configure: Regenerated.
 324
 325 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 326
 327         PR libitm/52854
 328         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 329         for x86-64.
 330
 331 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 332
 333         * configure: Regenerate.
 334
 335 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 336
 337         PR bootstrap/52812
 338         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 339
 340 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 341
 342         * testsuite/lib/libitm.exp: load fortran-modules.exp
 343
 344 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 345
 346         * configure.tgt (*-*-irix6*): Remove.
 347
 348 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 349
 350         PR libitm/52526
 351         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 352         wake-up.
 353
 354 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 355
 356         * configure.tgt (*-*-osf*): Remove.
 357         * configure: Regenerate.
 358
 359 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 360
 361         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 362         memtransfer/memset if size isn't larger than zero.
 363
 364 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 365
 366         * libitm.texi: Link to specification and add a usage example.
 367
 368 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 369
 370         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 371         default dispatch for more than 1 thread to ml_wt.
 372
 373 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 374
 375         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 376
 377 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 378
 379         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 380
 381 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 382
 383         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 384         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 385         (gl_wt_dispatch.rollback): Same.
 386
 387 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 388
 389         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 390
 391 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 392
 393         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 394         for RfW src.  Optimize number of calls to gtm_thr.
 395
 396 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 397
 398         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 399         acquisition to ...
 400         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 401         (default_dispatch): Make atomic.
 402         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 403         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 404         use decide_begin_dispatch() if default_dispatch might have changed.
 405         (GTM::gtm_thread::number_of_threads_changed): Initialize
 406         default_dispatch here.
 407
 408 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 409             Patrick Marlier  <patrick.marlier@gmail.com>
 410
 411         PR libitm/52220
 412         * alloc_cpp.cc: No dummy definitions for darwin.
 413         * eh_cpp.cc: Likewise.
 414
 415 2012-02-14  Richard Henderson  <rth@redhat.com>
 416
 417         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 418
 419 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 420
 421         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 422
 423 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 424
 425         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 426         (GTM::gtm_thread): Add read and write logs.
 427         (GTM::dispatch_ml_wt): Declare.
 428         * retry.cc (parse_default_method): Support ml_wt.
 429         * method-ml.cc: New file.
 430         * Makefile.am: Add method-ml.cc.
 431         * Makefile.in: Regenerate.
 432
 433 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 434
 435         * dispatch.h (GTM::abi_dispatch::supports): New.
 436         (GTM::method_group::reinit): New.
 437         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 438         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 439         supports the current situation.
 440
 441 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 442
 443         * util.cc (GTM::xcalloc): New.
 444         * common.h (GTM::xcalloc): Declare.
 445
 446 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 447
 448         * config/sparc/target.h (cpu_relax): Read from CC register.
 449         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 450
 451 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 452
 453         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 454
 455 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 456
 457         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 458         * config/sparc/cacheline.h: New file.
 459         * config/sparc/target.h: Likewise.
 460         * config/sparc/sjlj.S: Likewise.
 461         * config/linux/sparc/futex_bits.h: Likewise.
 462
 463 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 464
 465         * configure.ac (link_itm): Fix comment.
 466         * configure: Regenerate.
 467         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 468
 469 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 470
 471         PR libitm/51822
 472         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 473         Correct libgomp references.
 474
 475 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 476
 477         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 478         wake-up.
 479
 480 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 481
 482         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 483         end of structure.
 484         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 485         offset values.  Do not copy return address.  Decrement stack
 486         by 56 bytes only.
 487         (GTM_longjump) [__x86_64__]: Update offset values.
 488
 489 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 490
 491         PR libitm/51830
 492         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 493         the first function argument to %eax.
 494
 495 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 496
 497         * libitm.h (_ITM_getThreadnum): Remove.
 498         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 499
 500 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 501
 502         * clearcap.map: New file.
 503         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 504         * configure.ac: Call it.
 505         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 506         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 507         * configure: Regenerate.
 508         * Makefile.in: Regenerate.
 509         * testsuite/Makefile.in: Regenerate.
 510
 511 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 512
 513         PR libitm/51173
 514         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 515         include, exclude options.
 516
 517 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 518
 519         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 520         rolling back.
 521         * containers.h (GTM::vector::set_size): New.
 522
 523 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 524
 525         PR libitm/51855
 526         * config/generic/tls.h (GTM::mask_stack_top): New.
 527         (GTM::mask_stack_bottom): Declare.
 528         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 529         * local.cc (gtm_undolog::rollback): Filter out any updates that
 530         overlap the libitm stack.  Add current transaction as parameter.
 531         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 532         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 533         * testsuite/libitm.c/stackundo.c: New test.
 534
 535 2012-01-10  Richard Henderson  <rth@redhat.com>
 536
 537         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 538         * eh_cpp.cc (_Unwind_DeleteException): Define for
 539         !HAVE_ELF_STYLE_WEAKREF.
 540
 541 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 542
 543         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 544         (GTM::gtm_thread::drop_references_undolog): Remove.
 545         (GTM::gtm_thread::commit_undolog,
 546         GTM::gtm_thread::rollback_undolog): Move to ...
 547         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 548         (GTM::gtm_undolog_entry): Remove.
 549         (GTM::gtm_thread): Adapt.
 550         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 551         (GTM::gtm_thread::trycommit): Adapt.
 552         * method-serial.cc (serial_dispatch::log): Adapt.
 553         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 554         (gl_wt_dispatch::store): Fix likely/unlikely.
 555         * containers.h (GTM::vector::resize): Add additional_capacity
 556         parameter and handle it.
 557         (GTM::vector::resize_noinline): New/adapt.
 558         (GTM::vector::push): New.
 559
 560 2012-01-06  Richard Henderson  <rth@redhat.com>
 561
 562         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 563         * config/linux/powerpc/futex_bits.h: New file.
 564         * config/powerpc/cacheline.h: New file.
 565         * config/powerpc/sjlj.S: New file.
 566         * config/powerpc/target.h: New file.
 567         * config/generic/asmcfi.h (cfi_offset): New.
 568         (cfi_restore, cfi_undefined): New.
 569
 570 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 571
 572         PR other/51171
 573         * testsuite/libitm.c/reentrant.c: Remove xfail.
 574         (thread): Pass x to pure().
 575         From Patrik Marlier <patrick.marlier@gmail.com>.
 576
 577 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 578
 579         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 580         privatization safety if already in serial mode.
 581
 582 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 583
 584         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 585         finish_serial_upgrade parameter.
 586         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 587         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 588         Don't unset reader flag.
 589         (GTM::gtm_rwlock::write_upgrade_finish): New.
 590         * config/posix/rwlock.cc: Same.
 591         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 592         Declare.
 593         * config/posix/rwlock.h: Same.
 594         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 595         flag after commit or after rollback when restarting.
 596
 597 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 598
 599         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 600         (GTM::gtm_thread::try_commit): Changed memory order.
 601         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 602         as parameter.
 603         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 604         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 605         * config/linux/futex_bits.h (sys_futex0): Same.
 606         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 607         * config/linux/futex.h (futex_wait, futex_wake): Same.
 608         * config/linux/rwlock.h (gtm_rwlock::writers,
 609         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 610         ints.
 611         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 612         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 613         gtm_rwlock::write_unlock): Fix memory orders and fences.
 614         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 615         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 616         gtm_rwlock::write_unlock): Same.
 617         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 618         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 619         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 620         Add comments.
 621         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 622         gl_wt_dispatch::load, gl_wt_dispatch::store,
 623         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 624         orders and fences.  Add comments.
 625
 626 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 627
 628         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 629         * Makefile.in: Regenerated.
 630
 631 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 632
 633         * configure.tgt: Add sh* case.
 634         * config/sh/target.h: New file.
 635         * config/sh/sjlj.S: New file.
 636         * config/linux/sh/futex_bits.h: New file.
 637
 638 2011-12-14  Richard Henderson  <rth@redhat.com>
 639
 640         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 641         * config/arm/sjlj.S, config/arm/target.h: New files.
 642         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 643         (cfi_rel_offset): New.
 644         * config/linux/futex_bits.h: New file.
 645         * config/linux/futex.cc: Include futex_bits.h here...
 646         * config/linux/futex.h: ... not here.
 647         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 648         * configure.ac (ARCH_AM): New conditional.
 649         * Makefile.in, configure: Rebuild.
 650         * configure.tgt: Handle ARM.
 651
 652 2011-12-13  Richard Henderson  <rth@redhat.com>
 653
 654         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 655         signed/unsigned comparison werror.
 656
 657         * local_atomic: New file.
 658         * libitm_i.h: Include it.
 659         (gtm_thread::shared_state): Use atomic template.
 660         * beginend.cc (GTM::gtm_clock): Use atomic template.
 661         (global_tid): Use atomic template if 64-bit atomics available.
 662         (gtm_thread::gtm_thread): Update shared_state access.
 663         (gtm_thread::trycommit): Likewise.
 664         (choose_code_path): Update global_tid access.
 665         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 666         * stmlock.h (GTM::gtm_clock): Use atomic template.
 667         (gtm_get_clock, gtm_inc_clock): Update accesses.
 668         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 669         redundant __sync_synchronize after atomic shared_state access.
 670         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 671         (gtm_rwlock::write_lock_generic): Likewise.
 672         (gtm_rwlock::read_unlock): Likewise.
 673         * config/alpha/target.h (atomic_read_barrier): Remove.
 674         (atomic_write_barrier): Remove.
 675         * config/x86/target.h (atomic_read_barrier): Remove.
 676         (atomic_write_barrier): Remove.
 677
 678 2011-11-30  Richard Henderson  <rth@redhat.com>
 679
 680         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 681         * beginend.c (_ITM_abortTransaction): Update to match.
 682         (GTM::gtm_thread::restart): Likewise.
 683         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 684         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 685
 686 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 687
 688         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 689         * Makefile.in: Regenerate.
 690
 691 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 692
 693         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 694         * alloc_cpp.cc: Generate dummy functions if we don't
 695         HAVE_ELF_STYLE_WEAKREF.
 696         * eh_cpp.cc: Likewise.
 697         * configure: Regenerate.
 698         * aclocal.m4:  Likewise.
 699         * config.h.in: Likewise.
 700         * Makefile.in: Likewise.
 701         * testsuite/Makefile.in: Likewise.
 702
 703 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 704
 705         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 706         __USER_LABEL_PREFIX__ for targets that use it.
 707         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 708         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 709         in portability to non-elf targets.
 710         (GTM_longjmp): Likewise.
 711         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 712         where required.
 713
 714 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 715
 716         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 717         * testsuite/libitm.c/memset-1.c: Likewise.
 718
 719 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 720
 721         * configure: Regenerate.
 722
 723 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 724
 725         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 726         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 727         * Makefile.am: Handle sun style versioning.
 728         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 729         * configure: Regenerate.
 730         * Makefile.in: Regenerate.
 731
 732 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 733
 734         * config/generic/asmcfi.h: Fix comment.
 735         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 736         sequence without .hidden support, error for non-ELF targets.
 737         (GTM_longjmp) [__ELF__]: Only use .hidden if
 738         HAVE_ATTRIBUTE_VISIBILITY.
 739
 740 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 741
 742         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 743         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 744         Dummy functions.
 745         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 746         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 747
 748 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 749
 750         PR bootstrap/51098
 751         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 752         * configure: Regenerate.
 753
 754 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 755
 756         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 757
 758 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 759
 760         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 761         .hidden.
 762         (.note.GNU-stack): Only use if __linux__.
 763         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 764         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 765         * testsuite/libitm.c/reentrant.c: Likewise.
 766         * testsuite/libitm.c/simple-2.c: Likewise.
 767         * testsuite/libitm.c/txrelease.c: Likewise.
 768         * testsuite/libitm.c++/static_ctor.C: Likewise.
 769
 770 2011-11-10  Richard Henderson  <rth@redhat.com>
 771
 772         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 773         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 774         * configure.ac (ARCH_X86_AVX): New conditional.
 775         * Makefile.in, configure: Rebuild.
 776
 777 2011-11-09  Richard Henderson  <rth@redhat.com>
 778
 779         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 780         * configure.ac: Use it.
 781         * config.h.in, configure: Rebuild.
 782         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 783
 784 2011-11-09  Richard Henderson  <rth@redhat.com>
 785
 786         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 787         * config/alpha/unaligned.h: Remove file.
 788         * config/generic/unaligned.h: Remove file.
 789         * config/x86/unaligned.h: Remove file.
 790         * config/generic/cachepage.h: Remove file.
 791         * config/posix/cachepage.cc: Remove file.
 792         * config/generic/cacheline.cc: Remove file.
 793         * config/x86/cacheline.cc: Remove file.
 794         * config/generic/cacheline.h (gtm_cacheline): Remove the
 795         store_mask, copy_mask, copy_mask_wb methods.
 796         * config/x86/cacheline.h: Likewise.
 797         * config/alpha/cacheline.h: Fall back to generic after setting size.
 798         * config/generic/tls.cc (gtm_mask_stack): Remove.
 799         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 800         (GTM_vpalignr_table): Remove.
 801         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 802         (GTM_pshift_table): Remove.
 803         * config/libitm_i.h: Don't include cachepage.h.
 804         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 805         * Makefile.in, testsuite/Makefile.in: Rebuild.
 806
 807 2011-11-09  Richard Henderson  <rth@redhat.com>
 808
 809         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 810         to emit branch prediction hint.
 811
 812         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 813         Protect .note.GNU-stack with __linux__.
 814
 815         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 816         * configure, aclocal.m4, config.h.in: Rebuild.
 817         * config/generic/asmcfi.h: New file.
 818         * config/x86/sjlj.S: Use it.
 819
 820 2011-11-08  Richard Henderson  <rth@redhat.com>
 821
 822         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 823
 824 2011-11-08  Richard Henderson  <rth@redhat.com>
 825
 826         * configure.tgt: Test correct directory for supported cpus.
 827
 828         * configure.ac: Exit if unsupported.
 829         * configure: Rebuild.
 830         * configure.tgt: Delete boilerplate from libgomp for unsupported
 831         targets.  Set UNSUPPORTED for unsupported targets.
 832
 833 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 834
 835         * configure.tgt: Handle i386 like i[456]86.
 836         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 837         take address.
 838         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 839         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 840
 841 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 842
 843         * method-wbetl.cc: Update copyright notice.
 844         * aatree.cc: Same.
 845         * util.cc: Same.
 846         * libitm.h: Same.
 847         * memset.cc: Same.
 848         * eh_cpp.cc: Same.
 849         * barrier.tpl: Same.
 850         * useraction.cc: Same.
 851         * stmlock.h: Same.
 852         * memcpy.cc: Same.
 853         * common.h: Same.
 854         * config/generic/tls.cc: Same.
 855         * config/generic/cacheline.h: Same.
 856         * config/generic/cachepage.h: Same.
 857         * config/generic/cacheline.cc: Same.
 858         * config/generic/unaligned.h: Same.
 859         * config/x86/cacheline.h: Same.
 860         * config/x86/cacheline.cc: Same.
 861         * config/x86/unaligned.h: Same.
 862         * config/alpha/cacheline.h: Same.
 863         * config/alpha/unaligned.h: Same.
 864         * config/alpha/sjlj.S: Same.
 865         * config/posix/cachepage.cc: Same.
 866         * config/linux/futex.h: Same.
 867         * config/linux/alpha/futex_bits.h: Same.
 868
 869 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 870
 871         * libitm.texi: No cover text and invariant sections.
 872
 873 2011-11-03  Richard Henderson  <rth@redhat.com>
 874
 875         * local_type_traits: New file.
 876         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 877
 878 2011-11-03  Richard Henderson  <rth@redhat.com>
 879
 880         * configure.ac: Don't test for gfortran.
 881         * configure: Rebuild.
 882
 883         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 884         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 885
 886 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 887
 888         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 889         * testsuite/libitm.c/memset-1.c: Same.
 890         * testsuite/libitm.c/c.exp: Same.
 891         * testsuite/lib/libitm-dg.exp: Same.
 892         * testsuite/lib/libitm.exp: Same.
 893         * testsuite/libitm.c++/c++.exp: Same.
 894
 895 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 896
 897         * testsuite/config/default.exp: Update copyright date.
 898         * configure.ac: Add copyright info.
 899         * configure.tgt: Same.
 900
 901 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 902
 903         * testsuite/libitm.c/reentrant.c: XFAIL.
 904         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 905
 906 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 907
 908         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 909         handle aborts.
 910         (_ITM_abortTransaction): Handle aborts of outer transactions.
 911         * libitm_i.h: Same.
 912         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 913         * libitm.texi: Document aborts of outer transactions.
 914         * testsuite/libitm.c/cancel.c: New file.
 915
 916 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 917
 918         * testsuite/*: Change __transaction to __transaction_atomic or
 919         __transaction_relaxed.
 920
 921 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 922
 923         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 924         (gtm_thr): Same.
 925
 926 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 927
 928         * libitm_i.h: Add gl_wt dispatch.
 929         * retry.cc (parse_default_method): Same.
 930         * method-gl.cc: New file.
 931         * Makefile.am: Use method-gl.cc.
 932         * Makefile.in: Rebuild.
 933
 934 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 935
 936         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 937         safety if requested by a TM method.
 938         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 939         privatization safety.
 940         * method-serial.cc: Same.
 941
 942 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 943
 944         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 945         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 946         undolog-related member functions from *_local to *_undolog.
 947         * local.cc (gtm_thread::commit_undolog): Same.
 948         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 949         (GTM::gtm_thread::rollback): Roll back undolog before
 950         dispatch-specific rollback.
 951
 952 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 953
 954         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 955         re-initialization of the current method group.
 956         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 957
 958 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 959
 960         * alloc.cc (commit_allocations_2): Do not free transaction-local
 961         memory when committing a nested transaction.
 962
 963 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 964
 965         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 966         serial-irrevocable dispatch, not serial.
 967
 968 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 969
 970         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 971         declarations.
 972         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 973         * method-serial.cc: Implement begin_or_restart().
 974         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 975         dispatch-specific begin_or_restart().
 976         (GTM::gtm_thread::restart): Same.
 977
 978 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 979
 980         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 981         restarting without switching to serial mode.
 982         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 983         transaction state. Choose closed-nesting alternative if available.
 984         (GTM::gtm_thread::set_default_dispatch): New.
 985         (parse_default_method): New.
 986         (GTM::gtm_thread::number_of_threads_changed): New.
 987         * method-serial.cc (GTM::serial_mg): New method group class.
 988         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 989         fini.
 990         (GTM::serial_dispatch): Same.
 991         (GTM::serialirr_onwrite_dispatch): Same.
 992         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 993         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 994         registered threads.
 995         (GTM::gtm_thread::gtm_thread): Same.
 996         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 997         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 998         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 999         choose dispatch but set state according to dispatch here.
1000         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1001         (GTM::method_group): New class.
1002         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1003         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1004         * libitm.texi: Document TM methods, method groups, method life cycle.
1005         Rename method sets to method groups.
1006
1007 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1008
1009         * config/x86/tls.h: Moved to ...
1010         * config/linux/x86/tls.h: ... here.
1011
1012 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1013
1014         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1015         Add X32 support.
1016         * config/x86/sjlj.S: Same.
1017
1018 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1019
1020         * config/linux/rwlock.h: New file.
1021         * config/linux/rwlock.c: New file.
1022         * configure.ac: Reenable futex support (undo SVN rev 157758).
1023         * Makefile.am: Same.
1024         * configure.tgt: Same.
1025         * config/linux/alpha/futex_bits.h: Same.
1026         * config/linux/futex.h: Same. Return number of woken processes.
1027         * config/linux/futex.cc: Same.
1028         (futex_wait): Remove spinning.
1029         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1030         Use __x86_64__ instead of __LP64__.
1031         * aclocal.m4: Include generic futex checks.
1032         * configure: Rebuild.
1033         * Makefile.in: Rebuild.
1034         * testsuite/Makefile.in: Rebuild.
1035         * beginend.cc: Include pthread.h.
1036         * config/posix/cachepage.cc: Same.
1037
1038 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1039
1040         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1041         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1042         (set_gtm_thr): New.
1043         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1044         (set_gtm_thr): New.
1045         (GTM::gtm_thread::thread_num): Removed.
1046         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1047         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1048         tx-to-thread renaming.
1049         * beginend.cc: Adapted to tx-to-thread renaming.
1050         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1051         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1052         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1053         gtm_transaction to gtm_thread.
1054         (_ITM_getThreadnum): Removed. Not supported anymore.
1055         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1056         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1057         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1058         gtm_tx-to-gtm_thr renaming if necessary.
1059         * eh_cpp.cc: Same.
1060         * local.cc: Same.
1061         * retry.cc: Same.
1062         * clone.cc: Same.
1063         * alloc.cc: Same.
1064         * alloc_c.cc: Same.
1065         * alloc_cpp.cc: Same.
1066         * method-serial.cc: Same.
1067         * config/generic/tls.cc: Same.
1068         * config/posix/rwlock.h (gtm_rwlock): Same.
1069         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1070
1071 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1072
1073         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1074         implementation.
1075         (gtm_rwlock::read_unlock): Same.
1076         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1077         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1078         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1079         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1080         w_upgrade. Replaced by per-transaction flags (in shared_state).
1081         Added c_confirmed_writers.
1082         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1083         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1084         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1085         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1086         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1087         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1088         * libitm.texi: Document locking conventions and implementations in
1089         libitm.
1090
1091 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1092
1093         * libitm_i.h (next_tx): Add list of all threads' transaction.
1094         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1095         transaction with list of transactions and ...
1096         (thread_exit_handler): ... deregister here.
1097         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1098         * config/x86/target.h: Same.
1099
1100 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1101
1102         * testsuite/libitm.c++/static_ctor.C: New file.
1103
1104 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1105
1106         * testsuite/libitm.c/reentrant.c: New file.
1107
1108 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1109
1110         * config/generic/tls.h: Remove the free list for transactions and ...
1111         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1112         (GTM::gtm_transaction::operator delete): ... and release here.
1113         (thread_exit_handler): New. Delete tx when thread terminates.
1114         (thread_exit_init): New.
1115         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1116         * testsuite/libitm.c/txrelease.c: New file.
1117
1118 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1119
1120         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1121         * testsuite/libitm.c/notx.c: New file.
1122
1123 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1124
1125         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1126         * libitm_i.h (local_tid): ... to here.
1127         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1128         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1129
1130 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1131
1132         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1133         serialirr_onwrite_dispatch as new default for now.
1134         * method-serial.cc (serialirr_onwrite_dispatch): New.
1135         (GTM::dispatch_serialirr_onwrite): New.
1136         * libitm_i.h: Same.
1137
1138 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1139
1140         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1141         * query.cc (_ITM_getTransactionId): There is no active transaction if
1142         the current nesting level is zero.
1143
1144 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1145
1146         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1147         rollback.
1148
1149 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1150
1151         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1152         transaction properties from the caller instead of from the
1153         transaction object.
1154         * libitm_i.h: Same.
1155         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1156
1157 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1158
1159         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1160         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1161         * dispatch.h: Same.
1162         * method-serial.cc: Same.
1163         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1164         flat nesting as default, and closed nesting on demand.
1165         (GTM::gtm_transaction::rollback): Same.
1166         (_ITM_abortTransaction): Same.
1167         (GTM::gtm_transaction::restart): Same.
1168         (GTM::gtm_transaction::trycommit): Same.
1169         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1170         (choose_code_path): New.
1171         (GTM::gtm_transaction_cp::save): New.
1172         (GTM::gtm_transaction_cp::commit): New.
1173         * query.cc (_ITM_inTransaction): Support flat nesting.
1174         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1175         (GTM::gtm_transaction): Support flat and closed nesting.
1176         * alloc.cc (commit_allocations_2): New.
1177         (commit_cb_data): New helper struct.
1178         (GTM::gtm_transaction::commit_allocations): Handle nested
1179         commits/rollbacks.
1180         * libitm.texi: Update user action section, add description of nesting.
1181
1182 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1183
1184         * libitm_i.h: Add closed nesting as restart reason.
1185         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1186
1187 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1188
1189         * useraction.cc: Use vector instead of list to store actions.
1190         Also support partial rollbacks for closed nesting.
1191         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1192         * beginend.cc: Same.
1193
1194 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1195
1196         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1197         closed_nesting flags, as well as a closed nesting alternative.
1198         * method-serial.cc: Same.
1199         (serial_dispatch): Renamed to serialirr_dispatch.
1200         (GTM::dispatch_serialirr): Same.
1201         (serial_dispatch_ul): Renamed to serial_dispatch.
1202         (GTM::dispatch_serial): Same.
1203
1204 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1205
1206         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1207
1208 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1209
1210         * aatree.h (aa_tree::remove): New.
1211         (aa_tree::operator new): Add placement new.
1212
1213 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1214
1215         * containers.h: New file.
1216         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1217         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1218         * common.h: ... to here.
1219         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1220         * local.cc: Same.
1221
1222 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1223
1224         * libitm_i.h (STATE_ABORTING): Remove.
1225         * beginend.cc (_ITM_abortTransaction): Same.
1226         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1227         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1228         (_ITM_rollbackTransaction): Remove.
1229         * beginend.cc: Same.
1230         * libitm.map: Same.
1231         * libitm.texi: Document these ABI changes.
1232
1233 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1234
1235         * libitm.texi: New file.
1236         * Makefile.am: Add libitm.texi.
1237         * Makefile.in: Rebuild.
1238
1239 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1240
1241         * libitm_i.h: Move parts to common.h and dispatch.h.
1242         * common.h: New file.
1243         * dispatch.h: New file, new dispatch class.
1244         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1245         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1246         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1247         decision to retry.cc.
1248         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1249         only.
1250         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1251         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1252         logging.
1253         * barrier.cc: Use new barriers definitions.
1254         (abi_dispatch::memmove_overlap_check): New.
1255         * config/x86/x86_sse.cc: Same.
1256         * config/x86/x86_avx.cc: Same.
1257         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1258         memcpy.cc.
1259         * Makefile.in: Rebuild.
1260         * method-readonly.cc: Remove.
1261         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1262         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1263
1264 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1265
1266         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1267         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1268         * testsuite/libitm.c/dropref-2.c: Same.
1269         * testsuite/libitm.c/dropref.c: Same.
1270
1271 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1272
1273         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1274         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1275         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1276         * alloc_c.cc: Same.
1277         * barrier.tpl: Same.
1278         * beginend.c: Same.
1279         * config/generic/tls.h: Same.
1280         * config/x86/tls.h: Same.
1281         * libitm_i.h: Same.
1282         * memcpy.cc: Same.
1283         * memset.cc: Same.
1284         * method-readonly.cc: Same.
1285         * method-serial.cc: Same.
1286         * method-wbetl.cc: Same.
1287         * retry.cc: Same.
1288
1289 2011-03-03  Richard Henderson  <rth@redhat.com>
1290
1291         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1292         From Patrik Marlier <patrick.marlier@unine.ch>.
1293
1294 2011-02-03  Richard Henderson  <rth@redhat.com>
1295
1296         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1297         * configure.ac: Use it.
1298         * configure, config.h.in: Rebuild.
1299         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1300         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1301         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1302         * libitm.map: Use wildcards to match size_t mangling.
1303
1304 2010-12-14  Richard Henderson  <rth@redhat.com>
1305
1306         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1307         blocks of TIDs per thread.
1308         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1309         (setup_gtm_thr): Return the thread structure.
1310         * config/x86/tls.h (setup_gtm_thr): Likewise.
1311
1312 2010-12-14  Richard Henderson  <rth@redhat.com>
1313
1314         * clone.cc (table_lock): Remove.
1315         (find_clone): Don't take it.
1316         (ExcludeTransaction): New helper class.
1317         (_ITM_registerTMCloneTable): Use it.
1318         (_ITM_deregisterTMCloneTable): Likewise.
1319
1320 2010-12-14  Richard Henderson  <rth@redhat.com>
1321
1322         * config/x86/tls.h: New file.
1323
1324 2010-07-15  Richard Henderson  <rth@redhat.com>
1325
1326         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1327         * Makefile.in: Rebuild.
1328
1329 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1330
1331         * method-wbetl.cc (trydropreference): Fix source line.
1332
1333 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1334
1335         * libitm.h: Add comment.
1336         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1337
1338 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1339
1340         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1341         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1342         available, use pthread mutexes.
1343         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1344         * config.h.in: Regenerate.
1345         * configure: Regenerate.
1346
1347 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1348
1349         * libitm.h (ITM_PURE): Define.
1350         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1351
1352 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1355         (validate): Add comment.
1356         (trydropreference): New.
1357         * method-readonly.cc (class readonly_dispatch): Add
1358         trydropreference.
1359         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1360         Call trydropreference().
1361         * libitm.h (_ITM_dropReferences): Remove const attribute.
1362         * method-serial.cc (class serial_dispatch): Add trydropreference.
1363         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1364
1365 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1366
1367         * memcpy.cc (do_memcpy): Comment.
1368
1369 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1370
1371         * barrier.tpl: Add comments throughout.
1372
1373 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1374
1375         * method-wbetl.cc (struct w_entry): Add comments.
1376         (trycommit): Same.
1377         (rollback): Same.
1378
1379 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1380
1381         * alloc_c.cc (_ITM_dropReferences): New.
1382         * libitm.map (_ITM_dropReferences): Add.
1383         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1384         * libitm_i.h (struct gtm_transaction): Declare
1385         drop_references_allocations and drop_references_local.
1386         * local.cc (rollback_local): Ignore memory when applicable.
1387         (drop_references_local): New.
1388
1389 2010-06-23  Richard Henderson  <rth@redhat.com>
1390
1391         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1392         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1393         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1394         * config/alpha/target.h: Likewise.
1395         * config/generic/tls.cc (gtm_mask_stack): Use it.
1396
1397 2010-06-23  Richard Henderson  <rth@redhat.com>
1398
1399         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1400         a mutex instead of trying a lock-free compare-and-swap on the list.
1401         (gtm_cacheline_page::operator delete): Likewise.
1402
1403 2010-06-16  Richard Henderson  <rth@redhat.com>
1404
1405         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1406         that overlap the libitm stack.
1407         * barrier.tpl: Mark incoming stack.
1408         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1409         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1410         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1411         * memcpy.cc, memset.cc: Likewise.
1412         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1413         * config/generic/tls.h (gtm_thread): Add stack_top member.
1414         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1415         * libitm_i.h (gtm_mask_stack): Declare.
1416         * config/generic/tls.cc: New file.
1417         * Makefile.am (libitm_la_SOURCES): Add it.
1418         (AM_CXXFLAGS): Turn off exceptions.
1419         * Makefile.in: Rebuild.
1420
1421 2010-06-16  Richard Henderson  <rth@redhat.com>
1422
1423         * alloc.cc (struct gtm_alloc_action): Move definition ...
1424         * libitm_i.h: ... here.
1425         (class gtm_transaction): Declare new and delete.
1426         * beginend.cc (alloc_tx): Reformulate as operator new.
1427         (free_tx): Reformulate as operator delete.
1428         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1429
1430 2010-06-11  Richard Henderson  <rth@redhat.com>
1431
1432         * clone.cc (clone_entry_compare): Fix typo.
1433         From Patrik Marlier <patrick.marlier@unine.ch>.
1434
1435 2010-05-13  Richard Henderson  <rth@redhat.com>
1436
1437         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1438         in extern "C".
1439
1440 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1441
1442         * libitm_i.h (struct gtm_transaction): Remove
1443         get_allocation_size.
1444         (record_allocation): Remove size parameter.
1445         * libitm.map (_ITM_realloc): Remove.
1446         * alloc_c.cc (_ITM_realloc): Remove.
1447         (_ITM_malloc): Remove size argument to record_allocation.
1448         (_ITM_calloc): Same.
1449         * alloc_cpp.cc (_ZGTtnwm): Same.
1450         (_ZGTtnwmRKSt9nothrow_t): Same.
1451         (_ZGTtnam): Same.
1452         (_ZGTtnamRKSt9nothrow_t): Same.
1453         * alloc.cc (struct gtm_alloc_action): Remove size.
1454         (get_allocation_size): Remove.
1455         (commit_allocations): Add comment.
1456         (record_allocation): Remove size parameter.
1457         (forget_allocation): Remove set of size.
1458
1459 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1460
1461         * Makefile.am (abi_version): New.
1462         (AM_CXXFLAGS): Pass abi_version.
1463         * Makefile.in: Regenerate.
1464         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1465
1466 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1467
1468         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1469         _ITM_getTMCloneOrIrrevokable.
1470         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1471         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1472
1473 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1474
1475         * configure.ac: Remove Linux futex support.
1476         * configure.tgt (config_path): Same.
1477         * Makefile.am: Same.
1478         * config/linux: Remove entire directory.
1479         * configure: Rebuild.
1480         * Makefile.in: Rebuild.
1481         * testsuite/Makefile.in: Rebuild.
1482
1483 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1484
1485         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1486         switching to serial mode.
1487         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1488
1489 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1490
1491         * configure.tgt: Add emacs -*- tags.
1492         * barrier.tpl: Same.
1493
1494 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1495
1496         * Makefile.am: Rename serial.cc to method-serial.cc.
1497         * Makefile.in: Regenerate with automake 1.11.1.
1498         * testsuite/Makefile.in: Same.
1499         * aclocal.m4: Regenerate with aclocal 1.11.1.
1500         * method-serial.cc: Rename from serial.cc.
1501         * libitm_i.h (struct gtm_transaction): Update comment on
1502         serialirr_mode.
1503
1504 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1505
1506         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1507         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1508
1509 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1510
1511         * configure: Rebuild.
1512
1513 2009-11-12  Richard Henderson  <rth@redhat.com>
1514
1515         * Rewrite everything in C++.
1516
1517 2009-11-03  Richard Henderson  <rth@redhat.com>
1518
1519         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1520         * Makefile.am (libitm_la_SOURCES): Add them.
1521         * configure.ac (ARCH_X86): New conditional.
1522         * Makefile.in, configure: Rebuild.
1523         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1524         Move futex setup into "other system configury" case.
1525         * local.c (rollback_local): Merge into ...
1526         (GTM_rollback_local): ... here.
1527         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1528         (_ITM_LB): Define as an alias to GTM_LB.
1529
1530 2009-11-03  Richard Henderson  <rth@redhat.com>
1531
1532         * method-readonly.c: New file.
1533         * Makefile.am (libitm_la_SOURCES): Add it.
1534         * Makefile.in: Rebuild.
1535         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1536         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1537         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1538         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1539         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1540         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1541         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1542         gtm_get_clock, gtm_inc_clock): New.
1543         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1544         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1545         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1546         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1547         replace uses with new libitm_i.h symbols.
1548         (dispatch_wbetl): Rename from wbetl_dispatch.
1549         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1550         away from dispatch_readonly; abort if the beginTransaction call
1551         asserted that the transaction was readonly.
1552
1553 2009-11-03  Richard Henderson  <rth@redhat.com>
1554
1555         * memset.c: New file.
1556         * Makefile.am (libitm_la_SOURCES): Add it.
1557         * Makefile.in: Rebuild.
1558         * testsuite/libitm.c/memset-1.c: New.
1559
1560 2009-11-03  Richard Henderson  <rth@redhat.com>
1561
1562         * dispatch.c: Remove file.
1563         * useraction.c (struct gtm_user_action): Move from libitm.h.
1564         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1565         (serial_memset, serial_memmove, serial_memcpy): Remove.
1566         (serial_W*, serial_R*): Remove.
1567         (serial_dispatch): Update to match.
1568         * configure.ac: Move Werror down below configure checks.  Don't
1569         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1570         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1571         Use GCC_AC_FUNC_MMAP_BLACKLIST
1572         * libitm.h: Split out all internal items to...
1573         * libitm_i.h: ... here.  New file.
1574         * copymask.c: New file.
1575         * local.c (struct gtm_local_undo): Move from libitm.h.
1576         (GTM_alloc_local): Rename from alloc_local; export.
1577         * memcpy.c: New file.
1578         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1579         * config/posix/page.c: New file.
1580         * config/posix/target_tls.h: Remove file.
1581         * barrier.c: New file.
1582         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1583         copymask.c, page.c.
1584         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1585         * method-wbetl.c: Rewrite for new cacheline methods.
1586         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1587
1588         * config/alpha/sjlj.S: Fix typo.
1589         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1590         * config/alpha/copymask.c: New file.
1591         * config/alpha/target.h (CACHELINE_SIZE): New.
1592         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1593
1594         * config/x86/target_i.h: Copy functions from x86/target.h.
1595         * config/x86/copymask.c: New file.
1596         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1597         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1598         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1599         * config/x86/target_tls.h: Move contents to target_i.h.
1600
1601         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1602         * testsuite/libitm.c/memcpy-1.c: New.
1603
1604 2009-10-22  Richard Henderson  <rth@redhat.com>
1605
1606         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1607         (AM_CCASFLAGS): New.
1608         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1609         saving/restoring _AC_ARG_VAR_PRECIOUS.
1610         * Makefile.in, aclocal.m4, config.h.in, configure,
1611         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1612
1613 2009-10-22  Richard Henderson  <rth@redhat.com>
1614
1615         * testsuite/*: Update for new compiler syntax.
1616
1617 2009-10-21  Richard Henderson  <rth@redhat.com>
1618
1619         * libitm.h (_ITM_abortReason): Add outerAbort.
1620
1621 2009-08-03  Richard Henderson  <rth@redhat.com>
1622
1623         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1624         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1625         * method-wbetl.c (struct w_entry): Remove mask.
1626         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1627         adjust all callers.
1628
1629 2009-07-22  Richard Henderson  <rth@redhat.com>
1630
1631         * eh_cpp.c: New file.
1632         * Makefile.am (libitm_la_SOURCES): Add it.
1633         * Makefile.in: Rebuild.
1634         * beginend.c (GTM_rollback_transaction): Undo exception state.
1635         (GTM_trycommit_transaction): Mark inline.
1636         (GTM_trycommit_and_finalize_transaction): Split out from ...
1637         (_ITM_commitTransaction): ... here.
1638         (_ITM_commitTransactionEH): New function.
1639         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1640         cxa_unthrown, eh_in_flight; reorder.
1641
1642         * testsuite/libitm.c++/c++.exp: New.
1643         * testsuite/libitm.c++/eh-1.C: New.
1644
1645         * aatree.c (aa_free): Remove REGPARM.
1646         * aatree.h: Remove all REGPARM.
1647
1648 2009-07-18  Richard Henderson  <rth@redhat.com>
1649
1650         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1651         * Makefile.am (libitm_la_SOURCES): Add them.
1652         * Makefile.in: Rebuild.
1653         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1654         (GTM_trycommit_transaction): Likewise.
1655         * libitm.h: Include aatree.h
1656         (struct gtm_alloc_action): New.
1657         (struct gtm_transaction): Add alloc_actions.
1658         (GTM_record_allocation, GTM_forget_allocation): Declare.
1659         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1660         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1661         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1662         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1663         _ZGTtdaPvRKSt9nothrow_t): Export.
1664
1665 2009-07-18  Richard Henderson  <rth@redhat.com>
1666
1667         * target_tls.h: Move ...
1668         * config/posix/target_tls.h: ... here.
1669
1670 2009-07-07  Richard Henderson  <rth@redhat.com>
1671
1672         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1673
1674 2009-07-07  Richard Henderson  <rth@redhat.com>
1675
1676         * Update to GPL3.
1677
1678 2009-07-07  Richard Henderson  <rth@redhat.com>
1679
1680         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1681         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1682
1683         * configure.tgt: Don't use -ftls-model for x86 linux.
1684         * libitm.h: Include target.h after standard includes.
1685         (_gtm_thr): Rename from gtm_thr.
1686         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1687         (gtm_disp, set_gtm_disp): New.
1688         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1689         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1690         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1691
1692 2009-07-07  Richard Henderson  <rth@redhat.com>
1693
1694         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1695
1696 2009-07-06  Richard Henderson  <rth@redhat.com>
1697
1698         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1699         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1700         (_ITM_beginTransaction): Take variadic arguments.
1701         (_ITM_registerThrownObject): Declare.
1702         * beginend.c, serial.c: Update.
1703         * libitm.map: Add _ITM_registerThrownObject.
1704
1705 2009-01-28  Richard Henderson  <rth@redhat.com>
1706
1707         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1708         * Makefile.in: Rebuild.
1709         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1710         (GTM_restart_transaction): Fix uninstrumented code check.
1711         * retry.c (GTM_decide_retry_strategy): Add serial check.
1712         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1713         automatically go irrevokable when in serial mode.
1714         * clone.c: New file.
1715         * libitm.h, libitm.map: Update.
1716
1717 2009-01-27  Richard Henderson  <rth@redhat.com>
1718
1719         * Makefile.am (LTCCASCOMPILE): Define.
1720         (libitm_la_SOURCES): Add methid-wbetl.c.
1721         * testsuite/Makefile.am: New
1722         * configure.ac: Add testsuite/Makefile.
1723         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1724         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1725         (_ITM_abortTransaction): Finalize implementation method; pass
1726         transaction properties to longjmp.
1727         (GTM_restart_transaction): Split out from ...
1728         (_ITM_commitTransaction): ... here.
1729         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1730         Move to config/x86/target.h.
1731         * config/linux/alpha/futex_bits.h: New.
1732         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1733         * config/x86/target.h: Disable target types for 32-bit.
1734         * config/alpha/sjlj.S, config/alpha/target.h: New.
1735         * libitm.h (struct gtm_dispatch): Add init, fini.
1736         (enum restart_reason): New.
1737         (struct gtm_transaction): Add method and restarts.
1738         * retry.c (GTM_decide_retry_strategy): Implement.
1739         * serial.c (serial_init, serial_fini): New.
1740         (GTM_serialmode): Finialize outgoing method.
1741         * method-wbetl.c: New.
1742
1743 2008-12-09  Richard Henderson  <rth@redhat.com>
1744
1745         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1746         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1747         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1748         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1749         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1750         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1751         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1752         * serial.c (serial_R##T, serial_W##T): Likewise.
1753
1754 2008-11-21  Richard Henderson  <rth@redhat.com>
1755
1756         * Initial commit.