libitm/ChangeLog

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