libitm/ChangeLog

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