libitm/ChangeLog

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