libitm/ChangeLog

   1 2017-10-10  Release Manager
   2
   3         * GCC 5.5.0 released.
   4
   5 2016-06-03  Release Manager
   6
   7         * GCC 5.4.0 released.
   8
   9 2015-12-04  Release Manager
  10
  11         * GCC 5.3.0 released.
  12
  13 2015-07-16  Release Manager
  14
  15         * GCC 5.2.0 released.
  16
  17 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
  18
  19         PR target/52482
  20         * config/powerpc/sjlj.S: Port to Xcode 2.5.
  21
  22 2015-04-22  Release Manager
  23
  24         * GCC 5.1.0 released.
  25
  26 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  27
  28         PR libitm/64360
  29         * libitm.c/stackundo.c (test2): Make it static.
  30         (test1): Likewise.
  31
  32 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  33
  34         Update copyright years.
  35
  36 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  37
  38         * libitm.texi: Bump @copying's copyright year.
  39
  40 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  41
  42         * testsuite/lib/libitm.exp: Load target-utils.exp.
  43         Move load of target-supports.exp earlier.
  44
  45 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  46
  47         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  48
  49 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  50
  51         PR bootstrap/63784
  52         * configure: Regenerated.
  53
  54 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  55
  56         PR target/63610
  57         * configure: Regenerate.
  58
  59 2014-10-06  Marek Polacek  <polacek@redhat.com>
  60
  61         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  62         * testsuite/libitm.c/memset-1.c: Likewise.
  63
  64 2014-07-24  Richard Henderson  <rth@redhat.com>
  65
  66         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  67         addressing mode in epilogue.
  68
  69 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  70
  71         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  72         -mclear-hwcap instead.
  73         * configure: Regenerate.
  74         * clearcap.map: Remove.
  75
  76 2014-05-21  John Marino  <gnugcc@marino.st>
  77
  78         * configure.tgt (*-*-dragonfly*): New target.
  79
  80 2014-05-19  Richard Henderson  <rth@redhat.com>
  81
  82         * config/aarch64/sjlj.S: New file.
  83         * config/aarch64/target.h: New file.
  84         * configure.tgt: Enable aarch64.
  85
  86 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  87
  88         * config/generic/asmcfi.h: Also check for
  89         __GCC_HAVE_DWARF2_CFI_ASM.
  90
  91 2013-04-02  Richard Henderson  <rth@redhat.com>
  92
  93         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  94         * config/arm/target.h, config/sh/target.h: Likewise.
  95         * config/sparc/target.h, config/x86/target.h: Likewise.
  96
  97 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  98
  99         * config/linux/futex_bits.h: Include errno.h.
 100         (sys_futex0): If syscall returns -1, return -errno rather than
 101         -1.
 102
 103 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 104
 105         * libitm.texi (Index): Rename to Library Index.
 106
 107 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 108
 109         PR libitm/53113
 110         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 111         (x86_avx.lo): Append -mavx to CXXFLAGS.
 112         * Makefile.in: Regenerate.
 113
 114 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 115
 116         Update copyright years
 117
 118 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 119
 120         * libitm.texi: Bump @copying's copyright year.
 121
 122 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 123
 124         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 125         (FUNC): Define ELFv2 variant.
 126         (END): Likewise.
 127         (HIDDEN): Likewise.
 128         (CALL): Likewise.
 129         (BASE): Likewise.
 130         (LR_SAVE): Likewise.
 131
 132 2013-09-20  Alan Modra  <amodra@gmail.com>
 133
 134         * configure: Regenerate.
 135
 136 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 137
 138         * config/posix/rwlock.cc: Fix initialization order.
 139
 140 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 141
 142         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 143         (htm_fastpath): Assign an asm name.
 144         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 145         HTM fast paths.
 146         (_ITM_actions): Likewise.
 147         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 148         x86_64.
 149         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 150         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 151         field to the start of the structure.
 152         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 153         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 154         handling for custom HTM fast paths.
 155
 156 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 157         Revert:
 158         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 159
 160         * configure.tgt: Add -msoft-float to XCFLAGS.
 161
 162 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 163
 164         * configure.tgt: Add -msoft-float to XCFLAGS.
 165
 166 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 167
 168         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 169         (htm_transaction_active): Enable zEC12 instructions in the
 170         assembler.
 171         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 172
 173 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 174
 175         * acinclude.m4: Add htm asm check for s390.
 176         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 177         * configure: Regenerate.
 178         * config/s390/target.h: Remove __HTM__ check.
 179         (htm_available): Call getauxval to get hwcaps and check whether
 180         HTM is available or not.
 181
 182 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 183
 184         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 185         * configure.ac: Use it.
 186         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 187         (AC_CHECK_FUNCS): Check for getauxval.
 188         * config.h.in, configure: Rebuild.
 189         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 190         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 191         (USE_HTM_FASTPATH): Define.
 192         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 193         _HTM_RETRIES) New macros.
 194         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 195         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 196
 197 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 198
 199         * config/s390/target.h: Include htmintrin.h.
 200         (_HTM_ITM_RETRIES): New macro definition.
 201         (htm_available, htm_init, htm_begin, htm_begin_success)
 202         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 203
 204 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 205             Cesar Philippidis  <cesar@codesourcery.com>
 206
 207         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 208         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 209         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 210         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 211
 212 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 213
 214         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 215         (_ITM_getTransactionId): Same.
 216         * config/x86/target.h (htm_transaction_active): New.
 217
 218 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 219
 220         PR libitm/57643
 221         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 222         the HTM fastpath.
 223
 224 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 225
 226         PR bootstrap/56714
 227         * local_atomic (__always_inline): Always define our version.
 228         (__calculate_memory_order): Mark inline.
 229         (atomic_thread_fence): Ditto.
 230         (atomic_signal_fence): Ditto.
 231         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 232         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 233         (atomic_bool::atomic_flag_test_and_set): Ditto.
 234         (atomic_bool::atomic_flag_clear): Ditto.
 235
 236 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 237
 238         * config/s390/sjlj.S: New file.
 239         * config/s390/target.h: New file.
 240         * configure.tgt: Set options for S/390.
 241
 242 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 243
 244         * local_atomic (__always_inline): Add.
 245         (__calculate_memory_order, atomic_thread_fence,
 246          atomic_signal_fence, test_and_set, clear, store, load,
 247          exchange, compare_exchange_weak, compare_exchange_strong,
 248          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 249         Add __always_inline to force inlining.
 250
 251 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 252             Jack Howarth  <howarth@bromo.med.uc.edu>
 253             Patrick Marlier  <patrick.marlier@gmail.com>
 254
 255         PR libitm/55693
 256         * alloc_cpp.cc: Enable function declarations on darwin.
 257         * eh_cpp.cc: Likewise.
 258
 259 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 260
 261         Update copyright years.
 262
 263 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 264
 265         * beginend.cc (htm_fastpath): New.
 266         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 267         _ITM_commitTransactionEH): Add HTM fastpath handling.
 268         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 269         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 270         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 271         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 272         * configure.tgt: Add -mrtm to XCFLAGS.
 273         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 274         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 275         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 276         * retry.cc (parse_default_method): Add HTM method parsing.
 277         (gtm_thread::number_of_threads_changed): Use HTM by default if
 278         available.
 279
 280 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 281
 282         * configure: Regenerate.
 283
 284 2012-10-31  Richard Henderson  <rth@redhat.com>
 285
 286         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 287         * configure.ac: Use it.
 288         * config.h.in, configure: Rebuild.
 289         * testsuite/Makefile.in: Rebuild.
 290
 291 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 292
 293         * libitm.texi: Clarify ABI requirements for data-logging functions.
 294
 295 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 296
 297         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 298         it requires serial mode instead of assuming that for certain
 299         dispatchs.
 300         * dispatch.h (abi_dispatch::requires_serial): New.
 301         (abi_dispatch::abi_dispatch): Adapt.
 302         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 303         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 304         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 305         serial_dispatch::serial_dispatch,
 306         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 307
 308 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 309
 310         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 311         and ia32 declarations some more.
 312         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 313
 314 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 315
 316         PR other/43620
 317         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 318         * configure: Regenerate.
 319         * Makefile.in: Regenerate.
 320
 321 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 322
 323         * configure: Regenerated.
 324
 325 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 326
 327         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 328
 329 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 330
 331         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 332
 333 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 334
 335         * configure: Regenerated.
 336
 337 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 338
 339         PR libitm/52854
 340         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 341         for x86-64.
 342
 343 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 344
 345         * configure: Regenerate.
 346
 347 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 348
 349         PR bootstrap/52812
 350         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 351
 352 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 353
 354         * testsuite/lib/libitm.exp: load fortran-modules.exp
 355
 356 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 357
 358         * configure.tgt (*-*-irix6*): Remove.
 359
 360 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 361
 362         PR libitm/52526
 363         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 364         wake-up.
 365
 366 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 367
 368         * configure.tgt (*-*-osf*): Remove.
 369         * configure: Regenerate.
 370
 371 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 372
 373         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 374         memtransfer/memset if size isn't larger than zero.
 375
 376 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 377
 378         * libitm.texi: Link to specification and add a usage example.
 379
 380 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 381
 382         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 383         default dispatch for more than 1 thread to ml_wt.
 384
 385 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 386
 387         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 388
 389 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 390
 391         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 392
 393 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 394
 395         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 396         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 397         (gl_wt_dispatch.rollback): Same.
 398
 399 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 400
 401         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 402
 403 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 404
 405         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 406         for RfW src.  Optimize number of calls to gtm_thr.
 407
 408 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 409
 410         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 411         acquisition to ...
 412         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 413         (default_dispatch): Make atomic.
 414         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 415         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 416         use decide_begin_dispatch() if default_dispatch might have changed.
 417         (GTM::gtm_thread::number_of_threads_changed): Initialize
 418         default_dispatch here.
 419
 420 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 421             Patrick Marlier  <patrick.marlier@gmail.com>
 422
 423         PR libitm/52220
 424         * alloc_cpp.cc: No dummy definitions for darwin.
 425         * eh_cpp.cc: Likewise.
 426
 427 2012-02-14  Richard Henderson  <rth@redhat.com>
 428
 429         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 430
 431 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 432
 433         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 434
 435 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 436
 437         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 438         (GTM::gtm_thread): Add read and write logs.
 439         (GTM::dispatch_ml_wt): Declare.
 440         * retry.cc (parse_default_method): Support ml_wt.
 441         * method-ml.cc: New file.
 442         * Makefile.am: Add method-ml.cc.
 443         * Makefile.in: Regenerate.
 444
 445 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 446
 447         * dispatch.h (GTM::abi_dispatch::supports): New.
 448         (GTM::method_group::reinit): New.
 449         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 450         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 451         supports the current situation.
 452
 453 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 454
 455         * util.cc (GTM::xcalloc): New.
 456         * common.h (GTM::xcalloc): Declare.
 457
 458 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 459
 460         * config/sparc/target.h (cpu_relax): Read from CC register.
 461         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 462
 463 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 464
 465         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 466
 467 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 468
 469         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 470         * config/sparc/cacheline.h: New file.
 471         * config/sparc/target.h: Likewise.
 472         * config/sparc/sjlj.S: Likewise.
 473         * config/linux/sparc/futex_bits.h: Likewise.
 474
 475 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 476
 477         * configure.ac (link_itm): Fix comment.
 478         * configure: Regenerate.
 479         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 480
 481 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 482
 483         PR libitm/51822
 484         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 485         Correct libgomp references.
 486
 487 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 488
 489         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 490         wake-up.
 491
 492 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 493
 494         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 495         end of structure.
 496         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 497         offset values.  Do not copy return address.  Decrement stack
 498         by 56 bytes only.
 499         (GTM_longjump) [__x86_64__]: Update offset values.
 500
 501 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 502
 503         PR libitm/51830
 504         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 505         the first function argument to %eax.
 506
 507 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 508
 509         * libitm.h (_ITM_getThreadnum): Remove.
 510         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 511
 512 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 513
 514         * clearcap.map: New file.
 515         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 516         * configure.ac: Call it.
 517         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 518         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 519         * configure: Regenerate.
 520         * Makefile.in: Regenerate.
 521         * testsuite/Makefile.in: Regenerate.
 522
 523 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 524
 525         PR libitm/51173
 526         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 527         include, exclude options.
 528
 529 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 530
 531         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 532         rolling back.
 533         * containers.h (GTM::vector::set_size): New.
 534
 535 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 536
 537         PR libitm/51855
 538         * config/generic/tls.h (GTM::mask_stack_top): New.
 539         (GTM::mask_stack_bottom): Declare.
 540         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 541         * local.cc (gtm_undolog::rollback): Filter out any updates that
 542         overlap the libitm stack.  Add current transaction as parameter.
 543         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 544         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 545         * testsuite/libitm.c/stackundo.c: New test.
 546
 547 2012-01-10  Richard Henderson  <rth@redhat.com>
 548
 549         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 550         * eh_cpp.cc (_Unwind_DeleteException): Define for
 551         !HAVE_ELF_STYLE_WEAKREF.
 552
 553 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 554
 555         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 556         (GTM::gtm_thread::drop_references_undolog): Remove.
 557         (GTM::gtm_thread::commit_undolog,
 558         GTM::gtm_thread::rollback_undolog): Move to ...
 559         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 560         (GTM::gtm_undolog_entry): Remove.
 561         (GTM::gtm_thread): Adapt.
 562         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 563         (GTM::gtm_thread::trycommit): Adapt.
 564         * method-serial.cc (serial_dispatch::log): Adapt.
 565         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 566         (gl_wt_dispatch::store): Fix likely/unlikely.
 567         * containers.h (GTM::vector::resize): Add additional_capacity
 568         parameter and handle it.
 569         (GTM::vector::resize_noinline): New/adapt.
 570         (GTM::vector::push): New.
 571
 572 2012-01-06  Richard Henderson  <rth@redhat.com>
 573
 574         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 575         * config/linux/powerpc/futex_bits.h: New file.
 576         * config/powerpc/cacheline.h: New file.
 577         * config/powerpc/sjlj.S: New file.
 578         * config/powerpc/target.h: New file.
 579         * config/generic/asmcfi.h (cfi_offset): New.
 580         (cfi_restore, cfi_undefined): New.
 581
 582 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 583
 584         PR other/51171
 585         * testsuite/libitm.c/reentrant.c: Remove xfail.
 586         (thread): Pass x to pure().
 587         From Patrik Marlier <patrick.marlier@gmail.com>.
 588
 589 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 590
 591         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 592         privatization safety if already in serial mode.
 593
 594 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 595
 596         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 597         finish_serial_upgrade parameter.
 598         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 599         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 600         Don't unset reader flag.
 601         (GTM::gtm_rwlock::write_upgrade_finish): New.
 602         * config/posix/rwlock.cc: Same.
 603         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 604         Declare.
 605         * config/posix/rwlock.h: Same.
 606         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 607         flag after commit or after rollback when restarting.
 608
 609 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 610
 611         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 612         (GTM::gtm_thread::try_commit): Changed memory order.
 613         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 614         as parameter.
 615         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 616         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 617         * config/linux/futex_bits.h (sys_futex0): Same.
 618         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 619         * config/linux/futex.h (futex_wait, futex_wake): Same.
 620         * config/linux/rwlock.h (gtm_rwlock::writers,
 621         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 622         ints.
 623         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 624         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 625         gtm_rwlock::write_unlock): Fix memory orders and fences.
 626         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 627         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 628         gtm_rwlock::write_unlock): Same.
 629         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 630         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 631         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 632         Add comments.
 633         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 634         gl_wt_dispatch::load, gl_wt_dispatch::store,
 635         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 636         orders and fences.  Add comments.
 637
 638 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 639
 640         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 641         * Makefile.in: Regenerated.
 642
 643 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 644
 645         * configure.tgt: Add sh* case.
 646         * config/sh/target.h: New file.
 647         * config/sh/sjlj.S: New file.
 648         * config/linux/sh/futex_bits.h: New file.
 649
 650 2011-12-14  Richard Henderson  <rth@redhat.com>
 651
 652         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 653         * config/arm/sjlj.S, config/arm/target.h: New files.
 654         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 655         (cfi_rel_offset): New.
 656         * config/linux/futex_bits.h: New file.
 657         * config/linux/futex.cc: Include futex_bits.h here...
 658         * config/linux/futex.h: ... not here.
 659         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 660         * configure.ac (ARCH_AM): New conditional.
 661         * Makefile.in, configure: Rebuild.
 662         * configure.tgt: Handle ARM.
 663
 664 2011-12-13  Richard Henderson  <rth@redhat.com>
 665
 666         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 667         signed/unsigned comparison werror.
 668
 669         * local_atomic: New file.
 670         * libitm_i.h: Include it.
 671         (gtm_thread::shared_state): Use atomic template.
 672         * beginend.cc (GTM::gtm_clock): Use atomic template.
 673         (global_tid): Use atomic template if 64-bit atomics available.
 674         (gtm_thread::gtm_thread): Update shared_state access.
 675         (gtm_thread::trycommit): Likewise.
 676         (choose_code_path): Update global_tid access.
 677         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 678         * stmlock.h (GTM::gtm_clock): Use atomic template.
 679         (gtm_get_clock, gtm_inc_clock): Update accesses.
 680         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 681         redundant __sync_synchronize after atomic shared_state access.
 682         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 683         (gtm_rwlock::write_lock_generic): Likewise.
 684         (gtm_rwlock::read_unlock): Likewise.
 685         * config/alpha/target.h (atomic_read_barrier): Remove.
 686         (atomic_write_barrier): Remove.
 687         * config/x86/target.h (atomic_read_barrier): Remove.
 688         (atomic_write_barrier): Remove.
 689
 690 2011-11-30  Richard Henderson  <rth@redhat.com>
 691
 692         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 693         * beginend.c (_ITM_abortTransaction): Update to match.
 694         (GTM::gtm_thread::restart): Likewise.
 695         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 696         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 697
 698 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 699
 700         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 701         * Makefile.in: Regenerate.
 702
 703 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 704
 705         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 706         * alloc_cpp.cc: Generate dummy functions if we don't
 707         HAVE_ELF_STYLE_WEAKREF.
 708         * eh_cpp.cc: Likewise.
 709         * configure: Regenerate.
 710         * aclocal.m4:  Likewise.
 711         * config.h.in: Likewise.
 712         * Makefile.in: Likewise.
 713         * testsuite/Makefile.in: Likewise.
 714
 715 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 716
 717         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 718         __USER_LABEL_PREFIX__ for targets that use it.
 719         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 720         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 721         in portability to non-elf targets.
 722         (GTM_longjmp): Likewise.
 723         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 724         where required.
 725
 726 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 727
 728         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 729         * testsuite/libitm.c/memset-1.c: Likewise.
 730
 731 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 732
 733         * configure: Regenerate.
 734
 735 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 736
 737         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 738         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 739         * Makefile.am: Handle sun style versioning.
 740         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 741         * configure: Regenerate.
 742         * Makefile.in: Regenerate.
 743
 744 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 745
 746         * config/generic/asmcfi.h: Fix comment.
 747         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 748         sequence without .hidden support, error for non-ELF targets.
 749         (GTM_longjmp) [__ELF__]: Only use .hidden if
 750         HAVE_ATTRIBUTE_VISIBILITY.
 751
 752 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 753
 754         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 755         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 756         Dummy functions.
 757         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 758         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 759
 760 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 761
 762         PR bootstrap/51098
 763         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 764         * configure: Regenerate.
 765
 766 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 767
 768         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 769
 770 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 771
 772         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 773         .hidden.
 774         (.note.GNU-stack): Only use if __linux__.
 775         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 776         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 777         * testsuite/libitm.c/reentrant.c: Likewise.
 778         * testsuite/libitm.c/simple-2.c: Likewise.
 779         * testsuite/libitm.c/txrelease.c: Likewise.
 780         * testsuite/libitm.c++/static_ctor.C: Likewise.
 781
 782 2011-11-10  Richard Henderson  <rth@redhat.com>
 783
 784         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 785         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 786         * configure.ac (ARCH_X86_AVX): New conditional.
 787         * Makefile.in, configure: Rebuild.
 788
 789 2011-11-09  Richard Henderson  <rth@redhat.com>
 790
 791         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 792         * configure.ac: Use it.
 793         * config.h.in, configure: Rebuild.
 794         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 795
 796 2011-11-09  Richard Henderson  <rth@redhat.com>
 797
 798         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 799         * config/alpha/unaligned.h: Remove file.
 800         * config/generic/unaligned.h: Remove file.
 801         * config/x86/unaligned.h: Remove file.
 802         * config/generic/cachepage.h: Remove file.
 803         * config/posix/cachepage.cc: Remove file.
 804         * config/generic/cacheline.cc: Remove file.
 805         * config/x86/cacheline.cc: Remove file.
 806         * config/generic/cacheline.h (gtm_cacheline): Remove the
 807         store_mask, copy_mask, copy_mask_wb methods.
 808         * config/x86/cacheline.h: Likewise.
 809         * config/alpha/cacheline.h: Fall back to generic after setting size.
 810         * config/generic/tls.cc (gtm_mask_stack): Remove.
 811         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 812         (GTM_vpalignr_table): Remove.
 813         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 814         (GTM_pshift_table): Remove.
 815         * config/libitm_i.h: Don't include cachepage.h.
 816         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 817         * Makefile.in, testsuite/Makefile.in: Rebuild.
 818
 819 2011-11-09  Richard Henderson  <rth@redhat.com>
 820
 821         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 822         to emit branch prediction hint.
 823
 824         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 825         Protect .note.GNU-stack with __linux__.
 826
 827         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 828         * configure, aclocal.m4, config.h.in: Rebuild.
 829         * config/generic/asmcfi.h: New file.
 830         * config/x86/sjlj.S: Use it.
 831
 832 2011-11-08  Richard Henderson  <rth@redhat.com>
 833
 834         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 835
 836 2011-11-08  Richard Henderson  <rth@redhat.com>
 837
 838         * configure.tgt: Test correct directory for supported cpus.
 839
 840         * configure.ac: Exit if unsupported.
 841         * configure: Rebuild.
 842         * configure.tgt: Delete boilerplate from libgomp for unsupported
 843         targets.  Set UNSUPPORTED for unsupported targets.
 844
 845 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 846
 847         * configure.tgt: Handle i386 like i[456]86.
 848         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 849         take address.
 850         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 851         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 852
 853 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 854
 855         * method-wbetl.cc: Update copyright notice.
 856         * aatree.cc: Same.
 857         * util.cc: Same.
 858         * libitm.h: Same.
 859         * memset.cc: Same.
 860         * eh_cpp.cc: Same.
 861         * barrier.tpl: Same.
 862         * useraction.cc: Same.
 863         * stmlock.h: Same.
 864         * memcpy.cc: Same.
 865         * common.h: Same.
 866         * config/generic/tls.cc: Same.
 867         * config/generic/cacheline.h: Same.
 868         * config/generic/cachepage.h: Same.
 869         * config/generic/cacheline.cc: Same.
 870         * config/generic/unaligned.h: Same.
 871         * config/x86/cacheline.h: Same.
 872         * config/x86/cacheline.cc: Same.
 873         * config/x86/unaligned.h: Same.
 874         * config/alpha/cacheline.h: Same.
 875         * config/alpha/unaligned.h: Same.
 876         * config/alpha/sjlj.S: Same.
 877         * config/posix/cachepage.cc: Same.
 878         * config/linux/futex.h: Same.
 879         * config/linux/alpha/futex_bits.h: Same.
 880
 881 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 882
 883         * libitm.texi: No cover text and invariant sections.
 884
 885 2011-11-03  Richard Henderson  <rth@redhat.com>
 886
 887         * local_type_traits: New file.
 888         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 889
 890 2011-11-03  Richard Henderson  <rth@redhat.com>
 891
 892         * configure.ac: Don't test for gfortran.
 893         * configure: Rebuild.
 894
 895         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 896         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 897
 898 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 899
 900         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 901         * testsuite/libitm.c/memset-1.c: Same.
 902         * testsuite/libitm.c/c.exp: Same.
 903         * testsuite/lib/libitm-dg.exp: Same.
 904         * testsuite/lib/libitm.exp: Same.
 905         * testsuite/libitm.c++/c++.exp: Same.
 906
 907 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 908
 909         * testsuite/config/default.exp: Update copyright date.
 910         * configure.ac: Add copyright info.
 911         * configure.tgt: Same.
 912
 913 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 914
 915         * testsuite/libitm.c/reentrant.c: XFAIL.
 916         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 917
 918 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 919
 920         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 921         handle aborts.
 922         (_ITM_abortTransaction): Handle aborts of outer transactions.
 923         * libitm_i.h: Same.
 924         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 925         * libitm.texi: Document aborts of outer transactions.
 926         * testsuite/libitm.c/cancel.c: New file.
 927
 928 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 929
 930         * testsuite/*: Change __transaction to __transaction_atomic or
 931         __transaction_relaxed.
 932
 933 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 934
 935         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 936         (gtm_thr): Same.
 937
 938 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 939
 940         * libitm_i.h: Add gl_wt dispatch.
 941         * retry.cc (parse_default_method): Same.
 942         * method-gl.cc: New file.
 943         * Makefile.am: Use method-gl.cc.
 944         * Makefile.in: Rebuild.
 945
 946 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 947
 948         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 949         safety if requested by a TM method.
 950         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 951         privatization safety.
 952         * method-serial.cc: Same.
 953
 954 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 955
 956         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 957         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 958         undolog-related member functions from *_local to *_undolog.
 959         * local.cc (gtm_thread::commit_undolog): Same.
 960         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 961         (GTM::gtm_thread::rollback): Roll back undolog before
 962         dispatch-specific rollback.
 963
 964 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 965
 966         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 967         re-initialization of the current method group.
 968         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 969
 970 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 971
 972         * alloc.cc (commit_allocations_2): Do not free transaction-local
 973         memory when committing a nested transaction.
 974
 975 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 976
 977         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 978         serial-irrevocable dispatch, not serial.
 979
 980 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 981
 982         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 983         declarations.
 984         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 985         * method-serial.cc: Implement begin_or_restart().
 986         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 987         dispatch-specific begin_or_restart().
 988         (GTM::gtm_thread::restart): Same.
 989
 990 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 991
 992         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 993         restarting without switching to serial mode.
 994         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 995         transaction state. Choose closed-nesting alternative if available.
 996         (GTM::gtm_thread::set_default_dispatch): New.
 997         (parse_default_method): New.
 998         (GTM::gtm_thread::number_of_threads_changed): New.
 999         * method-serial.cc (GTM::serial_mg): New method group class.
1000         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1001         fini.
1002         (GTM::serial_dispatch): Same.
1003         (GTM::serialirr_onwrite_dispatch): Same.
1004         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1005         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1006         registered threads.
1007         (GTM::gtm_thread::gtm_thread): Same.
1008         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1009         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1010         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1011         choose dispatch but set state according to dispatch here.
1012         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1013         (GTM::method_group): New class.
1014         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1015         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1016         * libitm.texi: Document TM methods, method groups, method life cycle.
1017         Rename method sets to method groups.
1018
1019 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1020
1021         * config/x86/tls.h: Moved to ...
1022         * config/linux/x86/tls.h: ... here.
1023
1024 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1025
1026         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1027         Add X32 support.
1028         * config/x86/sjlj.S: Same.
1029
1030 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1031
1032         * config/linux/rwlock.h: New file.
1033         * config/linux/rwlock.c: New file.
1034         * configure.ac: Reenable futex support (undo SVN rev 157758).
1035         * Makefile.am: Same.
1036         * configure.tgt: Same.
1037         * config/linux/alpha/futex_bits.h: Same.
1038         * config/linux/futex.h: Same. Return number of woken processes.
1039         * config/linux/futex.cc: Same.
1040         (futex_wait): Remove spinning.
1041         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1042         Use __x86_64__ instead of __LP64__.
1043         * aclocal.m4: Include generic futex checks.
1044         * configure: Rebuild.
1045         * Makefile.in: Rebuild.
1046         * testsuite/Makefile.in: Rebuild.
1047         * beginend.cc: Include pthread.h.
1048         * config/posix/cachepage.cc: Same.
1049
1050 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1051
1052         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1053         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1054         (set_gtm_thr): New.
1055         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1056         (set_gtm_thr): New.
1057         (GTM::gtm_thread::thread_num): Removed.
1058         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1059         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1060         tx-to-thread renaming.
1061         * beginend.cc: Adapted to tx-to-thread renaming.
1062         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1063         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1064         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1065         gtm_transaction to gtm_thread.
1066         (_ITM_getThreadnum): Removed. Not supported anymore.
1067         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1068         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1069         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1070         gtm_tx-to-gtm_thr renaming if necessary.
1071         * eh_cpp.cc: Same.
1072         * local.cc: Same.
1073         * retry.cc: Same.
1074         * clone.cc: Same.
1075         * alloc.cc: Same.
1076         * alloc_c.cc: Same.
1077         * alloc_cpp.cc: Same.
1078         * method-serial.cc: Same.
1079         * config/generic/tls.cc: Same.
1080         * config/posix/rwlock.h (gtm_rwlock): Same.
1081         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1082
1083 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1084
1085         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1086         implementation.
1087         (gtm_rwlock::read_unlock): Same.
1088         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1089         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1090         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1091         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1092         w_upgrade. Replaced by per-transaction flags (in shared_state).
1093         Added c_confirmed_writers.
1094         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1095         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1096         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1097         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1098         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1099         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1100         * libitm.texi: Document locking conventions and implementations in
1101         libitm.
1102
1103 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1104
1105         * libitm_i.h (next_tx): Add list of all threads' transaction.
1106         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1107         transaction with list of transactions and ...
1108         (thread_exit_handler): ... deregister here.
1109         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1110         * config/x86/target.h: Same.
1111
1112 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1113
1114         * testsuite/libitm.c++/static_ctor.C: New file.
1115
1116 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1117
1118         * testsuite/libitm.c/reentrant.c: New file.
1119
1120 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1121
1122         * config/generic/tls.h: Remove the free list for transactions and ...
1123         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1124         (GTM::gtm_transaction::operator delete): ... and release here.
1125         (thread_exit_handler): New. Delete tx when thread terminates.
1126         (thread_exit_init): New.
1127         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1128         * testsuite/libitm.c/txrelease.c: New file.
1129
1130 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1131
1132         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1133         * testsuite/libitm.c/notx.c: New file.
1134
1135 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1136
1137         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1138         * libitm_i.h (local_tid): ... to here.
1139         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1140         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1141
1142 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1143
1144         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1145         serialirr_onwrite_dispatch as new default for now.
1146         * method-serial.cc (serialirr_onwrite_dispatch): New.
1147         (GTM::dispatch_serialirr_onwrite): New.
1148         * libitm_i.h: Same.
1149
1150 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1151
1152         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1153         * query.cc (_ITM_getTransactionId): There is no active transaction if
1154         the current nesting level is zero.
1155
1156 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1157
1158         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1159         rollback.
1160
1161 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1162
1163         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1164         transaction properties from the caller instead of from the
1165         transaction object.
1166         * libitm_i.h: Same.
1167         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1168
1169 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1170
1171         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1172         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1173         * dispatch.h: Same.
1174         * method-serial.cc: Same.
1175         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1176         flat nesting as default, and closed nesting on demand.
1177         (GTM::gtm_transaction::rollback): Same.
1178         (_ITM_abortTransaction): Same.
1179         (GTM::gtm_transaction::restart): Same.
1180         (GTM::gtm_transaction::trycommit): Same.
1181         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1182         (choose_code_path): New.
1183         (GTM::gtm_transaction_cp::save): New.
1184         (GTM::gtm_transaction_cp::commit): New.
1185         * query.cc (_ITM_inTransaction): Support flat nesting.
1186         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1187         (GTM::gtm_transaction): Support flat and closed nesting.
1188         * alloc.cc (commit_allocations_2): New.
1189         (commit_cb_data): New helper struct.
1190         (GTM::gtm_transaction::commit_allocations): Handle nested
1191         commits/rollbacks.
1192         * libitm.texi: Update user action section, add description of nesting.
1193
1194 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1195
1196         * libitm_i.h: Add closed nesting as restart reason.
1197         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1198
1199 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1200
1201         * useraction.cc: Use vector instead of list to store actions.
1202         Also support partial rollbacks for closed nesting.
1203         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1204         * beginend.cc: Same.
1205
1206 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1207
1208         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1209         closed_nesting flags, as well as a closed nesting alternative.
1210         * method-serial.cc: Same.
1211         (serial_dispatch): Renamed to serialirr_dispatch.
1212         (GTM::dispatch_serialirr): Same.
1213         (serial_dispatch_ul): Renamed to serial_dispatch.
1214         (GTM::dispatch_serial): Same.
1215
1216 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1217
1218         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1219
1220 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1221
1222         * aatree.h (aa_tree::remove): New.
1223         (aa_tree::operator new): Add placement new.
1224
1225 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1226
1227         * containers.h: New file.
1228         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1229         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1230         * common.h: ... to here.
1231         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1232         * local.cc: Same.
1233
1234 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1235
1236         * libitm_i.h (STATE_ABORTING): Remove.
1237         * beginend.cc (_ITM_abortTransaction): Same.
1238         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1239         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1240         (_ITM_rollbackTransaction): Remove.
1241         * beginend.cc: Same.
1242         * libitm.map: Same.
1243         * libitm.texi: Document these ABI changes.
1244
1245 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1246
1247         * libitm.texi: New file.
1248         * Makefile.am: Add libitm.texi.
1249         * Makefile.in: Rebuild.
1250
1251 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1252
1253         * libitm_i.h: Move parts to common.h and dispatch.h.
1254         * common.h: New file.
1255         * dispatch.h: New file, new dispatch class.
1256         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1257         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1258         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1259         decision to retry.cc.
1260         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1261         only.
1262         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1263         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1264         logging.
1265         * barrier.cc: Use new barriers definitions.
1266         (abi_dispatch::memmove_overlap_check): New.
1267         * config/x86/x86_sse.cc: Same.
1268         * config/x86/x86_avx.cc: Same.
1269         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1270         memcpy.cc.
1271         * Makefile.in: Rebuild.
1272         * method-readonly.cc: Remove.
1273         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1274         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1275
1276 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1277
1278         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1279         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1280         * testsuite/libitm.c/dropref-2.c: Same.
1281         * testsuite/libitm.c/dropref.c: Same.
1282
1283 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1284
1285         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1286         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1287         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1288         * alloc_c.cc: Same.
1289         * barrier.tpl: Same.
1290         * beginend.c: Same.
1291         * config/generic/tls.h: Same.
1292         * config/x86/tls.h: Same.
1293         * libitm_i.h: Same.
1294         * memcpy.cc: Same.
1295         * memset.cc: Same.
1296         * method-readonly.cc: Same.
1297         * method-serial.cc: Same.
1298         * method-wbetl.cc: Same.
1299         * retry.cc: Same.
1300
1301 2011-03-03  Richard Henderson  <rth@redhat.com>
1302
1303         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1304         From Patrik Marlier <patrick.marlier@unine.ch>.
1305
1306 2011-02-03  Richard Henderson  <rth@redhat.com>
1307
1308         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1309         * configure.ac: Use it.
1310         * configure, config.h.in: Rebuild.
1311         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1312         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1313         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1314         * libitm.map: Use wildcards to match size_t mangling.
1315
1316 2010-12-14  Richard Henderson  <rth@redhat.com>
1317
1318         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1319         blocks of TIDs per thread.
1320         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1321         (setup_gtm_thr): Return the thread structure.
1322         * config/x86/tls.h (setup_gtm_thr): Likewise.
1323
1324 2010-12-14  Richard Henderson  <rth@redhat.com>
1325
1326         * clone.cc (table_lock): Remove.
1327         (find_clone): Don't take it.
1328         (ExcludeTransaction): New helper class.
1329         (_ITM_registerTMCloneTable): Use it.
1330         (_ITM_deregisterTMCloneTable): Likewise.
1331
1332 2010-12-14  Richard Henderson  <rth@redhat.com>
1333
1334         * config/x86/tls.h: New file.
1335
1336 2010-07-15  Richard Henderson  <rth@redhat.com>
1337
1338         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1339         * Makefile.in: Rebuild.
1340
1341 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1342
1343         * method-wbetl.cc (trydropreference): Fix source line.
1344
1345 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1346
1347         * libitm.h: Add comment.
1348         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1349
1350 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1351
1352         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1353         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1354         available, use pthread mutexes.
1355         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1356         * config.h.in: Regenerate.
1357         * configure: Regenerate.
1358
1359 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1360
1361         * libitm.h (ITM_PURE): Define.
1362         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1363
1364 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1365
1366         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1367         (validate): Add comment.
1368         (trydropreference): New.
1369         * method-readonly.cc (class readonly_dispatch): Add
1370         trydropreference.
1371         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1372         Call trydropreference().
1373         * libitm.h (_ITM_dropReferences): Remove const attribute.
1374         * method-serial.cc (class serial_dispatch): Add trydropreference.
1375         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1376
1377 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1378
1379         * memcpy.cc (do_memcpy): Comment.
1380
1381 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1382
1383         * barrier.tpl: Add comments throughout.
1384
1385 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1386
1387         * method-wbetl.cc (struct w_entry): Add comments.
1388         (trycommit): Same.
1389         (rollback): Same.
1390
1391 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1392
1393         * alloc_c.cc (_ITM_dropReferences): New.
1394         * libitm.map (_ITM_dropReferences): Add.
1395         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1396         * libitm_i.h (struct gtm_transaction): Declare
1397         drop_references_allocations and drop_references_local.
1398         * local.cc (rollback_local): Ignore memory when applicable.
1399         (drop_references_local): New.
1400
1401 2010-06-23  Richard Henderson  <rth@redhat.com>
1402
1403         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1404         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1405         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1406         * config/alpha/target.h: Likewise.
1407         * config/generic/tls.cc (gtm_mask_stack): Use it.
1408
1409 2010-06-23  Richard Henderson  <rth@redhat.com>
1410
1411         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1412         a mutex instead of trying a lock-free compare-and-swap on the list.
1413         (gtm_cacheline_page::operator delete): Likewise.
1414
1415 2010-06-16  Richard Henderson  <rth@redhat.com>
1416
1417         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1418         that overlap the libitm stack.
1419         * barrier.tpl: Mark incoming stack.
1420         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1421         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1422         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1423         * memcpy.cc, memset.cc: Likewise.
1424         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1425         * config/generic/tls.h (gtm_thread): Add stack_top member.
1426         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1427         * libitm_i.h (gtm_mask_stack): Declare.
1428         * config/generic/tls.cc: New file.
1429         * Makefile.am (libitm_la_SOURCES): Add it.
1430         (AM_CXXFLAGS): Turn off exceptions.
1431         * Makefile.in: Rebuild.
1432
1433 2010-06-16  Richard Henderson  <rth@redhat.com>
1434
1435         * alloc.cc (struct gtm_alloc_action): Move definition ...
1436         * libitm_i.h: ... here.
1437         (class gtm_transaction): Declare new and delete.
1438         * beginend.cc (alloc_tx): Reformulate as operator new.
1439         (free_tx): Reformulate as operator delete.
1440         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1441
1442 2010-06-11  Richard Henderson  <rth@redhat.com>
1443
1444         * clone.cc (clone_entry_compare): Fix typo.
1445         From Patrik Marlier <patrick.marlier@unine.ch>.
1446
1447 2010-05-13  Richard Henderson  <rth@redhat.com>
1448
1449         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1450         in extern "C".
1451
1452 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1453
1454         * libitm_i.h (struct gtm_transaction): Remove
1455         get_allocation_size.
1456         (record_allocation): Remove size parameter.
1457         * libitm.map (_ITM_realloc): Remove.
1458         * alloc_c.cc (_ITM_realloc): Remove.
1459         (_ITM_malloc): Remove size argument to record_allocation.
1460         (_ITM_calloc): Same.
1461         * alloc_cpp.cc (_ZGTtnwm): Same.
1462         (_ZGTtnwmRKSt9nothrow_t): Same.
1463         (_ZGTtnam): Same.
1464         (_ZGTtnamRKSt9nothrow_t): Same.
1465         * alloc.cc (struct gtm_alloc_action): Remove size.
1466         (get_allocation_size): Remove.
1467         (commit_allocations): Add comment.
1468         (record_allocation): Remove size parameter.
1469         (forget_allocation): Remove set of size.
1470
1471 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1472
1473         * Makefile.am (abi_version): New.
1474         (AM_CXXFLAGS): Pass abi_version.
1475         * Makefile.in: Regenerate.
1476         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1477
1478 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1479
1480         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1481         _ITM_getTMCloneOrIrrevokable.
1482         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1483         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1484
1485 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1486
1487         * configure.ac: Remove Linux futex support.
1488         * configure.tgt (config_path): Same.
1489         * Makefile.am: Same.
1490         * config/linux: Remove entire directory.
1491         * configure: Rebuild.
1492         * Makefile.in: Rebuild.
1493         * testsuite/Makefile.in: Rebuild.
1494
1495 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1496
1497         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1498         switching to serial mode.
1499         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1500
1501 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1502
1503         * configure.tgt: Add emacs -*- tags.
1504         * barrier.tpl: Same.
1505
1506 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1507
1508         * Makefile.am: Rename serial.cc to method-serial.cc.
1509         * Makefile.in: Regenerate with automake 1.11.1.
1510         * testsuite/Makefile.in: Same.
1511         * aclocal.m4: Regenerate with aclocal 1.11.1.
1512         * method-serial.cc: Rename from serial.cc.
1513         * libitm_i.h (struct gtm_transaction): Update comment on
1514         serialirr_mode.
1515
1516 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1517
1518         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1519         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1520
1521 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1522
1523         * configure: Rebuild.
1524
1525 2009-11-12  Richard Henderson  <rth@redhat.com>
1526
1527         * Rewrite everything in C++.
1528
1529 2009-11-03  Richard Henderson  <rth@redhat.com>
1530
1531         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1532         * Makefile.am (libitm_la_SOURCES): Add them.
1533         * configure.ac (ARCH_X86): New conditional.
1534         * Makefile.in, configure: Rebuild.
1535         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1536         Move futex setup into "other system configury" case.
1537         * local.c (rollback_local): Merge into ...
1538         (GTM_rollback_local): ... here.
1539         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1540         (_ITM_LB): Define as an alias to GTM_LB.
1541
1542 2009-11-03  Richard Henderson  <rth@redhat.com>
1543
1544         * method-readonly.c: New file.
1545         * Makefile.am (libitm_la_SOURCES): Add it.
1546         * Makefile.in: Rebuild.
1547         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1548         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1549         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1550         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1551         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1552         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1553         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1554         gtm_get_clock, gtm_inc_clock): New.
1555         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1556         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1557         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1558         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1559         replace uses with new libitm_i.h symbols.
1560         (dispatch_wbetl): Rename from wbetl_dispatch.
1561         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1562         away from dispatch_readonly; abort if the beginTransaction call
1563         asserted that the transaction was readonly.
1564
1565 2009-11-03  Richard Henderson  <rth@redhat.com>
1566
1567         * memset.c: New file.
1568         * Makefile.am (libitm_la_SOURCES): Add it.
1569         * Makefile.in: Rebuild.
1570         * testsuite/libitm.c/memset-1.c: New.
1571
1572 2009-11-03  Richard Henderson  <rth@redhat.com>
1573
1574         * dispatch.c: Remove file.
1575         * useraction.c (struct gtm_user_action): Move from libitm.h.
1576         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1577         (serial_memset, serial_memmove, serial_memcpy): Remove.
1578         (serial_W*, serial_R*): Remove.
1579         (serial_dispatch): Update to match.
1580         * configure.ac: Move Werror down below configure checks.  Don't
1581         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1582         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1583         Use GCC_AC_FUNC_MMAP_BLACKLIST
1584         * libitm.h: Split out all internal items to...
1585         * libitm_i.h: ... here.  New file.
1586         * copymask.c: New file.
1587         * local.c (struct gtm_local_undo): Move from libitm.h.
1588         (GTM_alloc_local): Rename from alloc_local; export.
1589         * memcpy.c: New file.
1590         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1591         * config/posix/page.c: New file.
1592         * config/posix/target_tls.h: Remove file.
1593         * barrier.c: New file.
1594         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1595         copymask.c, page.c.
1596         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1597         * method-wbetl.c: Rewrite for new cacheline methods.
1598         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1599
1600         * config/alpha/sjlj.S: Fix typo.
1601         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1602         * config/alpha/copymask.c: New file.
1603         * config/alpha/target.h (CACHELINE_SIZE): New.
1604         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1605
1606         * config/x86/target_i.h: Copy functions from x86/target.h.
1607         * config/x86/copymask.c: New file.
1608         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1609         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1610         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1611         * config/x86/target_tls.h: Move contents to target_i.h.
1612
1613         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1614         * testsuite/libitm.c/memcpy-1.c: New.
1615
1616 2009-10-22  Richard Henderson  <rth@redhat.com>
1617
1618         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1619         (AM_CCASFLAGS): New.
1620         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1621         saving/restoring _AC_ARG_VAR_PRECIOUS.
1622         * Makefile.in, aclocal.m4, config.h.in, configure,
1623         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1624
1625 2009-10-22  Richard Henderson  <rth@redhat.com>
1626
1627         * testsuite/*: Update for new compiler syntax.
1628
1629 2009-10-21  Richard Henderson  <rth@redhat.com>
1630
1631         * libitm.h (_ITM_abortReason): Add outerAbort.
1632
1633 2009-08-03  Richard Henderson  <rth@redhat.com>
1634
1635         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1636         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1637         * method-wbetl.c (struct w_entry): Remove mask.
1638         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1639         adjust all callers.
1640
1641 2009-07-22  Richard Henderson  <rth@redhat.com>
1642
1643         * eh_cpp.c: New file.
1644         * Makefile.am (libitm_la_SOURCES): Add it.
1645         * Makefile.in: Rebuild.
1646         * beginend.c (GTM_rollback_transaction): Undo exception state.
1647         (GTM_trycommit_transaction): Mark inline.
1648         (GTM_trycommit_and_finalize_transaction): Split out from ...
1649         (_ITM_commitTransaction): ... here.
1650         (_ITM_commitTransactionEH): New function.
1651         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1652         cxa_unthrown, eh_in_flight; reorder.
1653
1654         * testsuite/libitm.c++/c++.exp: New.
1655         * testsuite/libitm.c++/eh-1.C: New.
1656
1657         * aatree.c (aa_free): Remove REGPARM.
1658         * aatree.h: Remove all REGPARM.
1659
1660 2009-07-18  Richard Henderson  <rth@redhat.com>
1661
1662         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1663         * Makefile.am (libitm_la_SOURCES): Add them.
1664         * Makefile.in: Rebuild.
1665         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1666         (GTM_trycommit_transaction): Likewise.
1667         * libitm.h: Include aatree.h
1668         (struct gtm_alloc_action): New.
1669         (struct gtm_transaction): Add alloc_actions.
1670         (GTM_record_allocation, GTM_forget_allocation): Declare.
1671         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1672         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1673         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1674         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1675         _ZGTtdaPvRKSt9nothrow_t): Export.
1676
1677 2009-07-18  Richard Henderson  <rth@redhat.com>
1678
1679         * target_tls.h: Move ...
1680         * config/posix/target_tls.h: ... here.
1681
1682 2009-07-07  Richard Henderson  <rth@redhat.com>
1683
1684         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1685
1686 2009-07-07  Richard Henderson  <rth@redhat.com>
1687
1688         * Update to GPL3.
1689
1690 2009-07-07  Richard Henderson  <rth@redhat.com>
1691
1692         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1693         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1694
1695         * configure.tgt: Don't use -ftls-model for x86 linux.
1696         * libitm.h: Include target.h after standard includes.
1697         (_gtm_thr): Rename from gtm_thr.
1698         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1699         (gtm_disp, set_gtm_disp): New.
1700         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1701         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1702         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1703
1704 2009-07-07  Richard Henderson  <rth@redhat.com>
1705
1706         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1707
1708 2009-07-06  Richard Henderson  <rth@redhat.com>
1709
1710         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1711         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1712         (_ITM_beginTransaction): Take variadic arguments.
1713         (_ITM_registerThrownObject): Declare.
1714         * beginend.c, serial.c: Update.
1715         * libitm.map: Add _ITM_registerThrownObject.
1716
1717 2009-01-28  Richard Henderson  <rth@redhat.com>
1718
1719         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1720         * Makefile.in: Rebuild.
1721         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1722         (GTM_restart_transaction): Fix uninstrumented code check.
1723         * retry.c (GTM_decide_retry_strategy): Add serial check.
1724         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1725         automatically go irrevokable when in serial mode.
1726         * clone.c: New file.
1727         * libitm.h, libitm.map: Update.
1728
1729 2009-01-27  Richard Henderson  <rth@redhat.com>
1730
1731         * Makefile.am (LTCCASCOMPILE): Define.
1732         (libitm_la_SOURCES): Add methid-wbetl.c.
1733         * testsuite/Makefile.am: New
1734         * configure.ac: Add testsuite/Makefile.
1735         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1736         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1737         (_ITM_abortTransaction): Finalize implementation method; pass
1738         transaction properties to longjmp.
1739         (GTM_restart_transaction): Split out from ...
1740         (_ITM_commitTransaction): ... here.
1741         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1742         Move to config/x86/target.h.
1743         * config/linux/alpha/futex_bits.h: New.
1744         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1745         * config/x86/target.h: Disable target types for 32-bit.
1746         * config/alpha/sjlj.S, config/alpha/target.h: New.
1747         * libitm.h (struct gtm_dispatch): Add init, fini.
1748         (enum restart_reason): New.
1749         (struct gtm_transaction): Add method and restarts.
1750         * retry.c (GTM_decide_retry_strategy): Implement.
1751         * serial.c (serial_init, serial_fini): New.
1752         (GTM_serialmode): Finialize outgoing method.
1753         * method-wbetl.c: New.
1754
1755 2008-12-09  Richard Henderson  <rth@redhat.com>
1756
1757         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1758         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1759         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1760         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1761         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1762         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1763         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1764         * serial.c (serial_R##T, serial_W##T): Likewise.
1765
1766 2008-11-21  Richard Henderson  <rth@redhat.com>
1767
1768         * Initial commit.