libitm/ChangeLog

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