libitm/ChangeLog

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