libitm/ChangeLog

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