libitm/ChangeLog

   1 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
   2
   3         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
   4         using load_gcc_lib.
   5
   6 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
   7
   8         PR libitm/61164
   9         * local_atomic (__always_inline): Rename to...
  10         (__libitm_always_inline): ... this.
  11
  12 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
  13
  14         PR target/52482
  15         * config/powerpc/sjlj.S: Port to Xcode 2.5.
  16
  17 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  18
  19         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
  20         operands "op" and "val" to int.
  21
  22 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  23
  24         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
  25         "op" and "val" to int.
  26
  27 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  28
  29         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
  30         "op" and "val" to int.
  31
  32 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  33
  34         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
  35         Declare as static int.
  36         (FUTEX_PRIVATE_FLAG): Remove L suffix.
  37         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
  38
  39 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  40
  41         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
  42         sys_futex0 function.
  43
  44 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
  45
  46         * Makefile.in: Regenerated with automake-1.11.6.
  47         * aclocal.m4: Likewise.
  48         * configure: Likewise.
  49         * testsuite/Makefile.in: Likewise.
  50
  51 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
  52
  53         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
  54         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
  55
  56 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  57
  58         PR libitm/64360
  59         * libitm.c/stackundo.c (test2): Make it static.
  60         (test1): Likewise.
  61
  62 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  63
  64         Update copyright years.
  65
  66 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  67
  68         * libitm.texi: Bump @copying's copyright year.
  69
  70 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  71
  72         * testsuite/lib/libitm.exp: Load target-utils.exp.
  73         Move load of target-supports.exp earlier.
  74
  75 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  76
  77         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  78
  79 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  80
  81         PR bootstrap/63784
  82         * configure: Regenerated.
  83
  84 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  85
  86         PR target/63610
  87         * configure: Regenerate.
  88
  89 2014-10-06  Marek Polacek  <polacek@redhat.com>
  90
  91         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  92         * testsuite/libitm.c/memset-1.c: Likewise.
  93
  94 2014-07-24  Richard Henderson  <rth@redhat.com>
  95
  96         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  97         addressing mode in epilogue.
  98
  99 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 100
 101         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 102         -mclear-hwcap instead.
 103         * configure: Regenerate.
 104         * clearcap.map: Remove.
 105
 106 2014-05-21  John Marino  <gnugcc@marino.st>
 107
 108         * configure.tgt (*-*-dragonfly*): New target.
 109
 110 2014-05-19  Richard Henderson  <rth@redhat.com>
 111
 112         * config/aarch64/sjlj.S: New file.
 113         * config/aarch64/target.h: New file.
 114         * configure.tgt: Enable aarch64.
 115
 116 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 117
 118         * config/generic/asmcfi.h: Also check for
 119         __GCC_HAVE_DWARF2_CFI_ASM.
 120
 121 2013-04-02  Richard Henderson  <rth@redhat.com>
 122
 123         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 124         * config/arm/target.h, config/sh/target.h: Likewise.
 125         * config/sparc/target.h, config/x86/target.h: Likewise.
 126
 127 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 128
 129         * config/linux/futex_bits.h: Include errno.h.
 130         (sys_futex0): If syscall returns -1, return -errno rather than
 131         -1.
 132
 133 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 134
 135         * libitm.texi (Index): Rename to Library Index.
 136
 137 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 138
 139         PR libitm/53113
 140         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 141         (x86_avx.lo): Append -mavx to CXXFLAGS.
 142         * Makefile.in: Regenerate.
 143
 144 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 145
 146         Update copyright years
 147
 148 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 149
 150         * libitm.texi: Bump @copying's copyright year.
 151
 152 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 153
 154         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 155         (FUNC): Define ELFv2 variant.
 156         (END): Likewise.
 157         (HIDDEN): Likewise.
 158         (CALL): Likewise.
 159         (BASE): Likewise.
 160         (LR_SAVE): Likewise.
 161
 162 2013-09-20  Alan Modra  <amodra@gmail.com>
 163
 164         * configure: Regenerate.
 165
 166 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 167
 168         * config/posix/rwlock.cc: Fix initialization order.
 169
 170 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 171
 172         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 173         (htm_fastpath): Assign an asm name.
 174         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 175         HTM fast paths.
 176         (_ITM_actions): Likewise.
 177         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 178         x86_64.
 179         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 180         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 181         field to the start of the structure.
 182         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 183         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 184         handling for custom HTM fast paths.
 185
 186 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 187         Revert:
 188         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 189
 190         * configure.tgt: Add -msoft-float to XCFLAGS.
 191
 192 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 193
 194         * configure.tgt: Add -msoft-float to XCFLAGS.
 195
 196 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 197
 198         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 199         (htm_transaction_active): Enable zEC12 instructions in the
 200         assembler.
 201         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 202
 203 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 204
 205         * acinclude.m4: Add htm asm check for s390.
 206         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 207         * configure: Regenerate.
 208         * config/s390/target.h: Remove __HTM__ check.
 209         (htm_available): Call getauxval to get hwcaps and check whether
 210         HTM is available or not.
 211
 212 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 213
 214         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 215         * configure.ac: Use it.
 216         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 217         (AC_CHECK_FUNCS): Check for getauxval.
 218         * config.h.in, configure: Rebuild.
 219         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 220         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 221         (USE_HTM_FASTPATH): Define.
 222         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 223         _HTM_RETRIES) New macros.
 224         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 225         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 226
 227 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 228
 229         * config/s390/target.h: Include htmintrin.h.
 230         (_HTM_ITM_RETRIES): New macro definition.
 231         (htm_available, htm_init, htm_begin, htm_begin_success)
 232         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 233
 234 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 235             Cesar Philippidis  <cesar@codesourcery.com>
 236
 237         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 238         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 239         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 240         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 241
 242 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 243
 244         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 245         (_ITM_getTransactionId): Same.
 246         * config/x86/target.h (htm_transaction_active): New.
 247
 248 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 249
 250         PR libitm/57643
 251         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 252         the HTM fastpath.
 253
 254 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 255
 256         PR bootstrap/56714
 257         * local_atomic (__always_inline): Always define our version.
 258         (__calculate_memory_order): Mark inline.
 259         (atomic_thread_fence): Ditto.
 260         (atomic_signal_fence): Ditto.
 261         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 262         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 263         (atomic_bool::atomic_flag_test_and_set): Ditto.
 264         (atomic_bool::atomic_flag_clear): Ditto.
 265
 266 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 267
 268         * config/s390/sjlj.S: New file.
 269         * config/s390/target.h: New file.
 270         * configure.tgt: Set options for S/390.
 271
 272 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 273
 274         * local_atomic (__always_inline): Add.
 275         (__calculate_memory_order, atomic_thread_fence,
 276          atomic_signal_fence, test_and_set, clear, store, load,
 277          exchange, compare_exchange_weak, compare_exchange_strong,
 278          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 279         Add __always_inline to force inlining.
 280
 281 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 282             Jack Howarth  <howarth@bromo.med.uc.edu>
 283             Patrick Marlier  <patrick.marlier@gmail.com>
 284
 285         PR libitm/55693
 286         * alloc_cpp.cc: Enable function declarations on darwin.
 287         * eh_cpp.cc: Likewise.
 288
 289 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 290
 291         Update copyright years.
 292
 293 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 294
 295         * beginend.cc (htm_fastpath): New.
 296         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 297         _ITM_commitTransactionEH): Add HTM fastpath handling.
 298         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 299         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 300         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 301         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 302         * configure.tgt: Add -mrtm to XCFLAGS.
 303         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 304         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 305         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 306         * retry.cc (parse_default_method): Add HTM method parsing.
 307         (gtm_thread::number_of_threads_changed): Use HTM by default if
 308         available.
 309
 310 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 311
 312         * configure: Regenerate.
 313
 314 2012-10-31  Richard Henderson  <rth@redhat.com>
 315
 316         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 317         * configure.ac: Use it.
 318         * config.h.in, configure: Rebuild.
 319         * testsuite/Makefile.in: Rebuild.
 320
 321 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 322
 323         * libitm.texi: Clarify ABI requirements for data-logging functions.
 324
 325 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 326
 327         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 328         it requires serial mode instead of assuming that for certain
 329         dispatchs.
 330         * dispatch.h (abi_dispatch::requires_serial): New.
 331         (abi_dispatch::abi_dispatch): Adapt.
 332         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 333         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 334         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 335         serial_dispatch::serial_dispatch,
 336         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 337
 338 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 339
 340         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 341         and ia32 declarations some more.
 342         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 343
 344 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 345
 346         PR other/43620
 347         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 348         * configure: Regenerate.
 349         * Makefile.in: Regenerate.
 350
 351 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 352
 353         * configure: Regenerated.
 354
 355 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 356
 357         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 358
 359 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 360
 361         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 362
 363 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 364
 365         * configure: Regenerated.
 366
 367 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         PR libitm/52854
 370         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 371         for x86-64.
 372
 373 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 374
 375         * configure: Regenerate.
 376
 377 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 378
 379         PR bootstrap/52812
 380         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 381
 382 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 383
 384         * testsuite/lib/libitm.exp: load fortran-modules.exp
 385
 386 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 387
 388         * configure.tgt (*-*-irix6*): Remove.
 389
 390 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 391
 392         PR libitm/52526
 393         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 394         wake-up.
 395
 396 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 397
 398         * configure.tgt (*-*-osf*): Remove.
 399         * configure: Regenerate.
 400
 401 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 402
 403         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 404         memtransfer/memset if size isn't larger than zero.
 405
 406 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 407
 408         * libitm.texi: Link to specification and add a usage example.
 409
 410 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 411
 412         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 413         default dispatch for more than 1 thread to ml_wt.
 414
 415 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 416
 417         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 418
 419 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 420
 421         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 422
 423 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 424
 425         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 426         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 427         (gl_wt_dispatch.rollback): Same.
 428
 429 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 430
 431         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 432
 433 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 434
 435         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 436         for RfW src.  Optimize number of calls to gtm_thr.
 437
 438 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 439
 440         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 441         acquisition to ...
 442         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 443         (default_dispatch): Make atomic.
 444         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 445         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 446         use decide_begin_dispatch() if default_dispatch might have changed.
 447         (GTM::gtm_thread::number_of_threads_changed): Initialize
 448         default_dispatch here.
 449
 450 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 451             Patrick Marlier  <patrick.marlier@gmail.com>
 452
 453         PR libitm/52220
 454         * alloc_cpp.cc: No dummy definitions for darwin.
 455         * eh_cpp.cc: Likewise.
 456
 457 2012-02-14  Richard Henderson  <rth@redhat.com>
 458
 459         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 460
 461 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 462
 463         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 464
 465 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 466
 467         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 468         (GTM::gtm_thread): Add read and write logs.
 469         (GTM::dispatch_ml_wt): Declare.
 470         * retry.cc (parse_default_method): Support ml_wt.
 471         * method-ml.cc: New file.
 472         * Makefile.am: Add method-ml.cc.
 473         * Makefile.in: Regenerate.
 474
 475 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 476
 477         * dispatch.h (GTM::abi_dispatch::supports): New.
 478         (GTM::method_group::reinit): New.
 479         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 480         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 481         supports the current situation.
 482
 483 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 484
 485         * util.cc (GTM::xcalloc): New.
 486         * common.h (GTM::xcalloc): Declare.
 487
 488 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 489
 490         * config/sparc/target.h (cpu_relax): Read from CC register.
 491         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 492
 493 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 494
 495         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 496
 497 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 498
 499         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 500         * config/sparc/cacheline.h: New file.
 501         * config/sparc/target.h: Likewise.
 502         * config/sparc/sjlj.S: Likewise.
 503         * config/linux/sparc/futex_bits.h: Likewise.
 504
 505 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 506
 507         * configure.ac (link_itm): Fix comment.
 508         * configure: Regenerate.
 509         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 510
 511 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 512
 513         PR libitm/51822
 514         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 515         Correct libgomp references.
 516
 517 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 518
 519         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 520         wake-up.
 521
 522 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 523
 524         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 525         end of structure.
 526         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 527         offset values.  Do not copy return address.  Decrement stack
 528         by 56 bytes only.
 529         (GTM_longjump) [__x86_64__]: Update offset values.
 530
 531 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 532
 533         PR libitm/51830
 534         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 535         the first function argument to %eax.
 536
 537 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 538
 539         * libitm.h (_ITM_getThreadnum): Remove.
 540         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 541
 542 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 543
 544         * clearcap.map: New file.
 545         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 546         * configure.ac: Call it.
 547         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 548         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 549         * configure: Regenerate.
 550         * Makefile.in: Regenerate.
 551         * testsuite/Makefile.in: Regenerate.
 552
 553 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 554
 555         PR libitm/51173
 556         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 557         include, exclude options.
 558
 559 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 560
 561         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 562         rolling back.
 563         * containers.h (GTM::vector::set_size): New.
 564
 565 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 566
 567         PR libitm/51855
 568         * config/generic/tls.h (GTM::mask_stack_top): New.
 569         (GTM::mask_stack_bottom): Declare.
 570         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 571         * local.cc (gtm_undolog::rollback): Filter out any updates that
 572         overlap the libitm stack.  Add current transaction as parameter.
 573         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 574         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 575         * testsuite/libitm.c/stackundo.c: New test.
 576
 577 2012-01-10  Richard Henderson  <rth@redhat.com>
 578
 579         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 580         * eh_cpp.cc (_Unwind_DeleteException): Define for
 581         !HAVE_ELF_STYLE_WEAKREF.
 582
 583 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 584
 585         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 586         (GTM::gtm_thread::drop_references_undolog): Remove.
 587         (GTM::gtm_thread::commit_undolog,
 588         GTM::gtm_thread::rollback_undolog): Move to ...
 589         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 590         (GTM::gtm_undolog_entry): Remove.
 591         (GTM::gtm_thread): Adapt.
 592         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 593         (GTM::gtm_thread::trycommit): Adapt.
 594         * method-serial.cc (serial_dispatch::log): Adapt.
 595         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 596         (gl_wt_dispatch::store): Fix likely/unlikely.
 597         * containers.h (GTM::vector::resize): Add additional_capacity
 598         parameter and handle it.
 599         (GTM::vector::resize_noinline): New/adapt.
 600         (GTM::vector::push): New.
 601
 602 2012-01-06  Richard Henderson  <rth@redhat.com>
 603
 604         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 605         * config/linux/powerpc/futex_bits.h: New file.
 606         * config/powerpc/cacheline.h: New file.
 607         * config/powerpc/sjlj.S: New file.
 608         * config/powerpc/target.h: New file.
 609         * config/generic/asmcfi.h (cfi_offset): New.
 610         (cfi_restore, cfi_undefined): New.
 611
 612 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 613
 614         PR other/51171
 615         * testsuite/libitm.c/reentrant.c: Remove xfail.
 616         (thread): Pass x to pure().
 617         From Patrik Marlier <patrick.marlier@gmail.com>.
 618
 619 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 620
 621         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 622         privatization safety if already in serial mode.
 623
 624 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 625
 626         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 627         finish_serial_upgrade parameter.
 628         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 629         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 630         Don't unset reader flag.
 631         (GTM::gtm_rwlock::write_upgrade_finish): New.
 632         * config/posix/rwlock.cc: Same.
 633         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 634         Declare.
 635         * config/posix/rwlock.h: Same.
 636         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 637         flag after commit or after rollback when restarting.
 638
 639 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 640
 641         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 642         (GTM::gtm_thread::try_commit): Changed memory order.
 643         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 644         as parameter.
 645         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 646         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 647         * config/linux/futex_bits.h (sys_futex0): Same.
 648         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 649         * config/linux/futex.h (futex_wait, futex_wake): Same.
 650         * config/linux/rwlock.h (gtm_rwlock::writers,
 651         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 652         ints.
 653         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 654         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 655         gtm_rwlock::write_unlock): Fix memory orders and fences.
 656         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 657         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 658         gtm_rwlock::write_unlock): Same.
 659         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 660         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 661         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 662         Add comments.
 663         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 664         gl_wt_dispatch::load, gl_wt_dispatch::store,
 665         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 666         orders and fences.  Add comments.
 667
 668 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 669
 670         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 671         * Makefile.in: Regenerated.
 672
 673 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 674
 675         * configure.tgt: Add sh* case.
 676         * config/sh/target.h: New file.
 677         * config/sh/sjlj.S: New file.
 678         * config/linux/sh/futex_bits.h: New file.
 679
 680 2011-12-14  Richard Henderson  <rth@redhat.com>
 681
 682         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 683         * config/arm/sjlj.S, config/arm/target.h: New files.
 684         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 685         (cfi_rel_offset): New.
 686         * config/linux/futex_bits.h: New file.
 687         * config/linux/futex.cc: Include futex_bits.h here...
 688         * config/linux/futex.h: ... not here.
 689         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 690         * configure.ac (ARCH_AM): New conditional.
 691         * Makefile.in, configure: Rebuild.
 692         * configure.tgt: Handle ARM.
 693
 694 2011-12-13  Richard Henderson  <rth@redhat.com>
 695
 696         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 697         signed/unsigned comparison werror.
 698
 699         * local_atomic: New file.
 700         * libitm_i.h: Include it.
 701         (gtm_thread::shared_state): Use atomic template.
 702         * beginend.cc (GTM::gtm_clock): Use atomic template.
 703         (global_tid): Use atomic template if 64-bit atomics available.
 704         (gtm_thread::gtm_thread): Update shared_state access.
 705         (gtm_thread::trycommit): Likewise.
 706         (choose_code_path): Update global_tid access.
 707         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 708         * stmlock.h (GTM::gtm_clock): Use atomic template.
 709         (gtm_get_clock, gtm_inc_clock): Update accesses.
 710         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 711         redundant __sync_synchronize after atomic shared_state access.
 712         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 713         (gtm_rwlock::write_lock_generic): Likewise.
 714         (gtm_rwlock::read_unlock): Likewise.
 715         * config/alpha/target.h (atomic_read_barrier): Remove.
 716         (atomic_write_barrier): Remove.
 717         * config/x86/target.h (atomic_read_barrier): Remove.
 718         (atomic_write_barrier): Remove.
 719
 720 2011-11-30  Richard Henderson  <rth@redhat.com>
 721
 722         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 723         * beginend.c (_ITM_abortTransaction): Update to match.
 724         (GTM::gtm_thread::restart): Likewise.
 725         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 726         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 727
 728 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 729
 730         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 731         * Makefile.in: Regenerate.
 732
 733 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 734
 735         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 736         * alloc_cpp.cc: Generate dummy functions if we don't
 737         HAVE_ELF_STYLE_WEAKREF.
 738         * eh_cpp.cc: Likewise.
 739         * configure: Regenerate.
 740         * aclocal.m4:  Likewise.
 741         * config.h.in: Likewise.
 742         * Makefile.in: Likewise.
 743         * testsuite/Makefile.in: Likewise.
 744
 745 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 746
 747         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 748         __USER_LABEL_PREFIX__ for targets that use it.
 749         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 750         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 751         in portability to non-elf targets.
 752         (GTM_longjmp): Likewise.
 753         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 754         where required.
 755
 756 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 757
 758         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 759         * testsuite/libitm.c/memset-1.c: Likewise.
 760
 761 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 762
 763         * configure: Regenerate.
 764
 765 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 766
 767         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 768         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 769         * Makefile.am: Handle sun style versioning.
 770         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 771         * configure: Regenerate.
 772         * Makefile.in: Regenerate.
 773
 774 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 775
 776         * config/generic/asmcfi.h: Fix comment.
 777         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 778         sequence without .hidden support, error for non-ELF targets.
 779         (GTM_longjmp) [__ELF__]: Only use .hidden if
 780         HAVE_ATTRIBUTE_VISIBILITY.
 781
 782 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 783
 784         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 785         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 786         Dummy functions.
 787         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 788         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 789
 790 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 791
 792         PR bootstrap/51098
 793         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 794         * configure: Regenerate.
 795
 796 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 797
 798         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 799
 800 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 801
 802         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 803         .hidden.
 804         (.note.GNU-stack): Only use if __linux__.
 805         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 806         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 807         * testsuite/libitm.c/reentrant.c: Likewise.
 808         * testsuite/libitm.c/simple-2.c: Likewise.
 809         * testsuite/libitm.c/txrelease.c: Likewise.
 810         * testsuite/libitm.c++/static_ctor.C: Likewise.
 811
 812 2011-11-10  Richard Henderson  <rth@redhat.com>
 813
 814         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 815         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 816         * configure.ac (ARCH_X86_AVX): New conditional.
 817         * Makefile.in, configure: Rebuild.
 818
 819 2011-11-09  Richard Henderson  <rth@redhat.com>
 820
 821         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 822         * configure.ac: Use it.
 823         * config.h.in, configure: Rebuild.
 824         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 825
 826 2011-11-09  Richard Henderson  <rth@redhat.com>
 827
 828         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 829         * config/alpha/unaligned.h: Remove file.
 830         * config/generic/unaligned.h: Remove file.
 831         * config/x86/unaligned.h: Remove file.
 832         * config/generic/cachepage.h: Remove file.
 833         * config/posix/cachepage.cc: Remove file.
 834         * config/generic/cacheline.cc: Remove file.
 835         * config/x86/cacheline.cc: Remove file.
 836         * config/generic/cacheline.h (gtm_cacheline): Remove the
 837         store_mask, copy_mask, copy_mask_wb methods.
 838         * config/x86/cacheline.h: Likewise.
 839         * config/alpha/cacheline.h: Fall back to generic after setting size.
 840         * config/generic/tls.cc (gtm_mask_stack): Remove.
 841         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 842         (GTM_vpalignr_table): Remove.
 843         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 844         (GTM_pshift_table): Remove.
 845         * config/libitm_i.h: Don't include cachepage.h.
 846         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 847         * Makefile.in, testsuite/Makefile.in: Rebuild.
 848
 849 2011-11-09  Richard Henderson  <rth@redhat.com>
 850
 851         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 852         to emit branch prediction hint.
 853
 854         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 855         Protect .note.GNU-stack with __linux__.
 856
 857         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 858         * configure, aclocal.m4, config.h.in: Rebuild.
 859         * config/generic/asmcfi.h: New file.
 860         * config/x86/sjlj.S: Use it.
 861
 862 2011-11-08  Richard Henderson  <rth@redhat.com>
 863
 864         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 865
 866 2011-11-08  Richard Henderson  <rth@redhat.com>
 867
 868         * configure.tgt: Test correct directory for supported cpus.
 869
 870         * configure.ac: Exit if unsupported.
 871         * configure: Rebuild.
 872         * configure.tgt: Delete boilerplate from libgomp for unsupported
 873         targets.  Set UNSUPPORTED for unsupported targets.
 874
 875 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 876
 877         * configure.tgt: Handle i386 like i[456]86.
 878         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 879         take address.
 880         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 881         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 882
 883 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 884
 885         * method-wbetl.cc: Update copyright notice.
 886         * aatree.cc: Same.
 887         * util.cc: Same.
 888         * libitm.h: Same.
 889         * memset.cc: Same.
 890         * eh_cpp.cc: Same.
 891         * barrier.tpl: Same.
 892         * useraction.cc: Same.
 893         * stmlock.h: Same.
 894         * memcpy.cc: Same.
 895         * common.h: Same.
 896         * config/generic/tls.cc: Same.
 897         * config/generic/cacheline.h: Same.
 898         * config/generic/cachepage.h: Same.
 899         * config/generic/cacheline.cc: Same.
 900         * config/generic/unaligned.h: Same.
 901         * config/x86/cacheline.h: Same.
 902         * config/x86/cacheline.cc: Same.
 903         * config/x86/unaligned.h: Same.
 904         * config/alpha/cacheline.h: Same.
 905         * config/alpha/unaligned.h: Same.
 906         * config/alpha/sjlj.S: Same.
 907         * config/posix/cachepage.cc: Same.
 908         * config/linux/futex.h: Same.
 909         * config/linux/alpha/futex_bits.h: Same.
 910
 911 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 912
 913         * libitm.texi: No cover text and invariant sections.
 914
 915 2011-11-03  Richard Henderson  <rth@redhat.com>
 916
 917         * local_type_traits: New file.
 918         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 919
 920 2011-11-03  Richard Henderson  <rth@redhat.com>
 921
 922         * configure.ac: Don't test for gfortran.
 923         * configure: Rebuild.
 924
 925         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 926         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 927
 928 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 929
 930         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 931         * testsuite/libitm.c/memset-1.c: Same.
 932         * testsuite/libitm.c/c.exp: Same.
 933         * testsuite/lib/libitm-dg.exp: Same.
 934         * testsuite/lib/libitm.exp: Same.
 935         * testsuite/libitm.c++/c++.exp: Same.
 936
 937 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 938
 939         * testsuite/config/default.exp: Update copyright date.
 940         * configure.ac: Add copyright info.
 941         * configure.tgt: Same.
 942
 943 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 944
 945         * testsuite/libitm.c/reentrant.c: XFAIL.
 946         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 947
 948 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 949
 950         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 951         handle aborts.
 952         (_ITM_abortTransaction): Handle aborts of outer transactions.
 953         * libitm_i.h: Same.
 954         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 955         * libitm.texi: Document aborts of outer transactions.
 956         * testsuite/libitm.c/cancel.c: New file.
 957
 958 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 959
 960         * testsuite/*: Change __transaction to __transaction_atomic or
 961         __transaction_relaxed.
 962
 963 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 964
 965         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 966         (gtm_thr): Same.
 967
 968 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 969
 970         * libitm_i.h: Add gl_wt dispatch.
 971         * retry.cc (parse_default_method): Same.
 972         * method-gl.cc: New file.
 973         * Makefile.am: Use method-gl.cc.
 974         * Makefile.in: Rebuild.
 975
 976 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 977
 978         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 979         safety if requested by a TM method.
 980         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 981         privatization safety.
 982         * method-serial.cc: Same.
 983
 984 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 985
 986         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 987         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 988         undolog-related member functions from *_local to *_undolog.
 989         * local.cc (gtm_thread::commit_undolog): Same.
 990         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 991         (GTM::gtm_thread::rollback): Roll back undolog before
 992         dispatch-specific rollback.
 993
 994 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 995
 996         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 997         re-initialization of the current method group.
 998         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 999
1000 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1001
1002         * alloc.cc (commit_allocations_2): Do not free transaction-local
1003         memory when committing a nested transaction.
1004
1005 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1006
1007         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1008         serial-irrevocable dispatch, not serial.
1009
1010 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1011
1012         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1013         declarations.
1014         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1015         * method-serial.cc: Implement begin_or_restart().
1016         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1017         dispatch-specific begin_or_restart().
1018         (GTM::gtm_thread::restart): Same.
1019
1020 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1021
1022         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1023         restarting without switching to serial mode.
1024         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1025         transaction state. Choose closed-nesting alternative if available.
1026         (GTM::gtm_thread::set_default_dispatch): New.
1027         (parse_default_method): New.
1028         (GTM::gtm_thread::number_of_threads_changed): New.
1029         * method-serial.cc (GTM::serial_mg): New method group class.
1030         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1031         fini.
1032         (GTM::serial_dispatch): Same.
1033         (GTM::serialirr_onwrite_dispatch): Same.
1034         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1035         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1036         registered threads.
1037         (GTM::gtm_thread::gtm_thread): Same.
1038         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1039         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1040         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1041         choose dispatch but set state according to dispatch here.
1042         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1043         (GTM::method_group): New class.
1044         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1045         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1046         * libitm.texi: Document TM methods, method groups, method life cycle.
1047         Rename method sets to method groups.
1048
1049 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1050
1051         * config/x86/tls.h: Moved to ...
1052         * config/linux/x86/tls.h: ... here.
1053
1054 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1055
1056         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1057         Add X32 support.
1058         * config/x86/sjlj.S: Same.
1059
1060 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1061
1062         * config/linux/rwlock.h: New file.
1063         * config/linux/rwlock.c: New file.
1064         * configure.ac: Reenable futex support (undo SVN rev 157758).
1065         * Makefile.am: Same.
1066         * configure.tgt: Same.
1067         * config/linux/alpha/futex_bits.h: Same.
1068         * config/linux/futex.h: Same. Return number of woken processes.
1069         * config/linux/futex.cc: Same.
1070         (futex_wait): Remove spinning.
1071         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1072         Use __x86_64__ instead of __LP64__.
1073         * aclocal.m4: Include generic futex checks.
1074         * configure: Rebuild.
1075         * Makefile.in: Rebuild.
1076         * testsuite/Makefile.in: Rebuild.
1077         * beginend.cc: Include pthread.h.
1078         * config/posix/cachepage.cc: Same.
1079
1080 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1081
1082         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1083         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1084         (set_gtm_thr): New.
1085         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1086         (set_gtm_thr): New.
1087         (GTM::gtm_thread::thread_num): Removed.
1088         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1089         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1090         tx-to-thread renaming.
1091         * beginend.cc: Adapted to tx-to-thread renaming.
1092         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1093         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1094         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1095         gtm_transaction to gtm_thread.
1096         (_ITM_getThreadnum): Removed. Not supported anymore.
1097         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1098         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1099         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1100         gtm_tx-to-gtm_thr renaming if necessary.
1101         * eh_cpp.cc: Same.
1102         * local.cc: Same.
1103         * retry.cc: Same.
1104         * clone.cc: Same.
1105         * alloc.cc: Same.
1106         * alloc_c.cc: Same.
1107         * alloc_cpp.cc: Same.
1108         * method-serial.cc: Same.
1109         * config/generic/tls.cc: Same.
1110         * config/posix/rwlock.h (gtm_rwlock): Same.
1111         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1112
1113 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1114
1115         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1116         implementation.
1117         (gtm_rwlock::read_unlock): Same.
1118         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1119         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1120         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1121         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1122         w_upgrade. Replaced by per-transaction flags (in shared_state).
1123         Added c_confirmed_writers.
1124         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1125         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1126         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1127         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1128         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1129         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1130         * libitm.texi: Document locking conventions and implementations in
1131         libitm.
1132
1133 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1134
1135         * libitm_i.h (next_tx): Add list of all threads' transaction.
1136         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1137         transaction with list of transactions and ...
1138         (thread_exit_handler): ... deregister here.
1139         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1140         * config/x86/target.h: Same.
1141
1142 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1143
1144         * testsuite/libitm.c++/static_ctor.C: New file.
1145
1146 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1147
1148         * testsuite/libitm.c/reentrant.c: New file.
1149
1150 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1151
1152         * config/generic/tls.h: Remove the free list for transactions and ...
1153         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1154         (GTM::gtm_transaction::operator delete): ... and release here.
1155         (thread_exit_handler): New. Delete tx when thread terminates.
1156         (thread_exit_init): New.
1157         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1158         * testsuite/libitm.c/txrelease.c: New file.
1159
1160 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1161
1162         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1163         * testsuite/libitm.c/notx.c: New file.
1164
1165 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1166
1167         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1168         * libitm_i.h (local_tid): ... to here.
1169         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1170         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1171
1172 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1173
1174         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1175         serialirr_onwrite_dispatch as new default for now.
1176         * method-serial.cc (serialirr_onwrite_dispatch): New.
1177         (GTM::dispatch_serialirr_onwrite): New.
1178         * libitm_i.h: Same.
1179
1180 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1181
1182         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1183         * query.cc (_ITM_getTransactionId): There is no active transaction if
1184         the current nesting level is zero.
1185
1186 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1187
1188         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1189         rollback.
1190
1191 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1192
1193         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1194         transaction properties from the caller instead of from the
1195         transaction object.
1196         * libitm_i.h: Same.
1197         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1198
1199 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1200
1201         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1202         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1203         * dispatch.h: Same.
1204         * method-serial.cc: Same.
1205         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1206         flat nesting as default, and closed nesting on demand.
1207         (GTM::gtm_transaction::rollback): Same.
1208         (_ITM_abortTransaction): Same.
1209         (GTM::gtm_transaction::restart): Same.
1210         (GTM::gtm_transaction::trycommit): Same.
1211         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1212         (choose_code_path): New.
1213         (GTM::gtm_transaction_cp::save): New.
1214         (GTM::gtm_transaction_cp::commit): New.
1215         * query.cc (_ITM_inTransaction): Support flat nesting.
1216         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1217         (GTM::gtm_transaction): Support flat and closed nesting.
1218         * alloc.cc (commit_allocations_2): New.
1219         (commit_cb_data): New helper struct.
1220         (GTM::gtm_transaction::commit_allocations): Handle nested
1221         commits/rollbacks.
1222         * libitm.texi: Update user action section, add description of nesting.
1223
1224 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1225
1226         * libitm_i.h: Add closed nesting as restart reason.
1227         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1228
1229 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1230
1231         * useraction.cc: Use vector instead of list to store actions.
1232         Also support partial rollbacks for closed nesting.
1233         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1234         * beginend.cc: Same.
1235
1236 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1237
1238         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1239         closed_nesting flags, as well as a closed nesting alternative.
1240         * method-serial.cc: Same.
1241         (serial_dispatch): Renamed to serialirr_dispatch.
1242         (GTM::dispatch_serialirr): Same.
1243         (serial_dispatch_ul): Renamed to serial_dispatch.
1244         (GTM::dispatch_serial): Same.
1245
1246 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1247
1248         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1249
1250 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1251
1252         * aatree.h (aa_tree::remove): New.
1253         (aa_tree::operator new): Add placement new.
1254
1255 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1256
1257         * containers.h: New file.
1258         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1259         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1260         * common.h: ... to here.
1261         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1262         * local.cc: Same.
1263
1264 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1265
1266         * libitm_i.h (STATE_ABORTING): Remove.
1267         * beginend.cc (_ITM_abortTransaction): Same.
1268         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1269         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1270         (_ITM_rollbackTransaction): Remove.
1271         * beginend.cc: Same.
1272         * libitm.map: Same.
1273         * libitm.texi: Document these ABI changes.
1274
1275 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1276
1277         * libitm.texi: New file.
1278         * Makefile.am: Add libitm.texi.
1279         * Makefile.in: Rebuild.
1280
1281 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1282
1283         * libitm_i.h: Move parts to common.h and dispatch.h.
1284         * common.h: New file.
1285         * dispatch.h: New file, new dispatch class.
1286         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1287         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1288         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1289         decision to retry.cc.
1290         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1291         only.
1292         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1293         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1294         logging.
1295         * barrier.cc: Use new barriers definitions.
1296         (abi_dispatch::memmove_overlap_check): New.
1297         * config/x86/x86_sse.cc: Same.
1298         * config/x86/x86_avx.cc: Same.
1299         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1300         memcpy.cc.
1301         * Makefile.in: Rebuild.
1302         * method-readonly.cc: Remove.
1303         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1304         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1305
1306 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1307
1308         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1309         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1310         * testsuite/libitm.c/dropref-2.c: Same.
1311         * testsuite/libitm.c/dropref.c: Same.
1312
1313 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1314
1315         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1316         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1317         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1318         * alloc_c.cc: Same.
1319         * barrier.tpl: Same.
1320         * beginend.c: Same.
1321         * config/generic/tls.h: Same.
1322         * config/x86/tls.h: Same.
1323         * libitm_i.h: Same.
1324         * memcpy.cc: Same.
1325         * memset.cc: Same.
1326         * method-readonly.cc: Same.
1327         * method-serial.cc: Same.
1328         * method-wbetl.cc: Same.
1329         * retry.cc: Same.
1330
1331 2011-03-03  Richard Henderson  <rth@redhat.com>
1332
1333         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1334         From Patrik Marlier <patrick.marlier@unine.ch>.
1335
1336 2011-02-03  Richard Henderson  <rth@redhat.com>
1337
1338         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1339         * configure.ac: Use it.
1340         * configure, config.h.in: Rebuild.
1341         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1342         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1343         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1344         * libitm.map: Use wildcards to match size_t mangling.
1345
1346 2010-12-14  Richard Henderson  <rth@redhat.com>
1347
1348         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1349         blocks of TIDs per thread.
1350         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1351         (setup_gtm_thr): Return the thread structure.
1352         * config/x86/tls.h (setup_gtm_thr): Likewise.
1353
1354 2010-12-14  Richard Henderson  <rth@redhat.com>
1355
1356         * clone.cc (table_lock): Remove.
1357         (find_clone): Don't take it.
1358         (ExcludeTransaction): New helper class.
1359         (_ITM_registerTMCloneTable): Use it.
1360         (_ITM_deregisterTMCloneTable): Likewise.
1361
1362 2010-12-14  Richard Henderson  <rth@redhat.com>
1363
1364         * config/x86/tls.h: New file.
1365
1366 2010-07-15  Richard Henderson  <rth@redhat.com>
1367
1368         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1369         * Makefile.in: Rebuild.
1370
1371 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1372
1373         * method-wbetl.cc (trydropreference): Fix source line.
1374
1375 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1376
1377         * libitm.h: Add comment.
1378         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1379
1380 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1381
1382         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1383         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1384         available, use pthread mutexes.
1385         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1386         * config.h.in: Regenerate.
1387         * configure: Regenerate.
1388
1389 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1390
1391         * libitm.h (ITM_PURE): Define.
1392         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1393
1394 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1395
1396         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1397         (validate): Add comment.
1398         (trydropreference): New.
1399         * method-readonly.cc (class readonly_dispatch): Add
1400         trydropreference.
1401         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1402         Call trydropreference().
1403         * libitm.h (_ITM_dropReferences): Remove const attribute.
1404         * method-serial.cc (class serial_dispatch): Add trydropreference.
1405         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1406
1407 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1408
1409         * memcpy.cc (do_memcpy): Comment.
1410
1411 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1412
1413         * barrier.tpl: Add comments throughout.
1414
1415 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1416
1417         * method-wbetl.cc (struct w_entry): Add comments.
1418         (trycommit): Same.
1419         (rollback): Same.
1420
1421 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1422
1423         * alloc_c.cc (_ITM_dropReferences): New.
1424         * libitm.map (_ITM_dropReferences): Add.
1425         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1426         * libitm_i.h (struct gtm_transaction): Declare
1427         drop_references_allocations and drop_references_local.
1428         * local.cc (rollback_local): Ignore memory when applicable.
1429         (drop_references_local): New.
1430
1431 2010-06-23  Richard Henderson  <rth@redhat.com>
1432
1433         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1434         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1435         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1436         * config/alpha/target.h: Likewise.
1437         * config/generic/tls.cc (gtm_mask_stack): Use it.
1438
1439 2010-06-23  Richard Henderson  <rth@redhat.com>
1440
1441         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1442         a mutex instead of trying a lock-free compare-and-swap on the list.
1443         (gtm_cacheline_page::operator delete): Likewise.
1444
1445 2010-06-16  Richard Henderson  <rth@redhat.com>
1446
1447         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1448         that overlap the libitm stack.
1449         * barrier.tpl: Mark incoming stack.
1450         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1451         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1452         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1453         * memcpy.cc, memset.cc: Likewise.
1454         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1455         * config/generic/tls.h (gtm_thread): Add stack_top member.
1456         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1457         * libitm_i.h (gtm_mask_stack): Declare.
1458         * config/generic/tls.cc: New file.
1459         * Makefile.am (libitm_la_SOURCES): Add it.
1460         (AM_CXXFLAGS): Turn off exceptions.
1461         * Makefile.in: Rebuild.
1462
1463 2010-06-16  Richard Henderson  <rth@redhat.com>
1464
1465         * alloc.cc (struct gtm_alloc_action): Move definition ...
1466         * libitm_i.h: ... here.
1467         (class gtm_transaction): Declare new and delete.
1468         * beginend.cc (alloc_tx): Reformulate as operator new.
1469         (free_tx): Reformulate as operator delete.
1470         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1471
1472 2010-06-11  Richard Henderson  <rth@redhat.com>
1473
1474         * clone.cc (clone_entry_compare): Fix typo.
1475         From Patrik Marlier <patrick.marlier@unine.ch>.
1476
1477 2010-05-13  Richard Henderson  <rth@redhat.com>
1478
1479         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1480         in extern "C".
1481
1482 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1483
1484         * libitm_i.h (struct gtm_transaction): Remove
1485         get_allocation_size.
1486         (record_allocation): Remove size parameter.
1487         * libitm.map (_ITM_realloc): Remove.
1488         * alloc_c.cc (_ITM_realloc): Remove.
1489         (_ITM_malloc): Remove size argument to record_allocation.
1490         (_ITM_calloc): Same.
1491         * alloc_cpp.cc (_ZGTtnwm): Same.
1492         (_ZGTtnwmRKSt9nothrow_t): Same.
1493         (_ZGTtnam): Same.
1494         (_ZGTtnamRKSt9nothrow_t): Same.
1495         * alloc.cc (struct gtm_alloc_action): Remove size.
1496         (get_allocation_size): Remove.
1497         (commit_allocations): Add comment.
1498         (record_allocation): Remove size parameter.
1499         (forget_allocation): Remove set of size.
1500
1501 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1502
1503         * Makefile.am (abi_version): New.
1504         (AM_CXXFLAGS): Pass abi_version.
1505         * Makefile.in: Regenerate.
1506         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1507
1508 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1509
1510         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1511         _ITM_getTMCloneOrIrrevokable.
1512         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1513         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1514
1515 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1516
1517         * configure.ac: Remove Linux futex support.
1518         * configure.tgt (config_path): Same.
1519         * Makefile.am: Same.
1520         * config/linux: Remove entire directory.
1521         * configure: Rebuild.
1522         * Makefile.in: Rebuild.
1523         * testsuite/Makefile.in: Rebuild.
1524
1525 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1526
1527         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1528         switching to serial mode.
1529         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1530
1531 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1532
1533         * configure.tgt: Add emacs -*- tags.
1534         * barrier.tpl: Same.
1535
1536 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1537
1538         * Makefile.am: Rename serial.cc to method-serial.cc.
1539         * Makefile.in: Regenerate with automake 1.11.1.
1540         * testsuite/Makefile.in: Same.
1541         * aclocal.m4: Regenerate with aclocal 1.11.1.
1542         * method-serial.cc: Rename from serial.cc.
1543         * libitm_i.h (struct gtm_transaction): Update comment on
1544         serialirr_mode.
1545
1546 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1547
1548         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1549         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1550
1551 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1552
1553         * configure: Rebuild.
1554
1555 2009-11-12  Richard Henderson  <rth@redhat.com>
1556
1557         * Rewrite everything in C++.
1558
1559 2009-11-03  Richard Henderson  <rth@redhat.com>
1560
1561         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1562         * Makefile.am (libitm_la_SOURCES): Add them.
1563         * configure.ac (ARCH_X86): New conditional.
1564         * Makefile.in, configure: Rebuild.
1565         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1566         Move futex setup into "other system configury" case.
1567         * local.c (rollback_local): Merge into ...
1568         (GTM_rollback_local): ... here.
1569         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1570         (_ITM_LB): Define as an alias to GTM_LB.
1571
1572 2009-11-03  Richard Henderson  <rth@redhat.com>
1573
1574         * method-readonly.c: New file.
1575         * Makefile.am (libitm_la_SOURCES): Add it.
1576         * Makefile.in: Rebuild.
1577         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1578         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1579         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1580         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1581         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1582         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1583         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1584         gtm_get_clock, gtm_inc_clock): New.
1585         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1586         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1587         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1588         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1589         replace uses with new libitm_i.h symbols.
1590         (dispatch_wbetl): Rename from wbetl_dispatch.
1591         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1592         away from dispatch_readonly; abort if the beginTransaction call
1593         asserted that the transaction was readonly.
1594
1595 2009-11-03  Richard Henderson  <rth@redhat.com>
1596
1597         * memset.c: New file.
1598         * Makefile.am (libitm_la_SOURCES): Add it.
1599         * Makefile.in: Rebuild.
1600         * testsuite/libitm.c/memset-1.c: New.
1601
1602 2009-11-03  Richard Henderson  <rth@redhat.com>
1603
1604         * dispatch.c: Remove file.
1605         * useraction.c (struct gtm_user_action): Move from libitm.h.
1606         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1607         (serial_memset, serial_memmove, serial_memcpy): Remove.
1608         (serial_W*, serial_R*): Remove.
1609         (serial_dispatch): Update to match.
1610         * configure.ac: Move Werror down below configure checks.  Don't
1611         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1612         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1613         Use GCC_AC_FUNC_MMAP_BLACKLIST
1614         * libitm.h: Split out all internal items to...
1615         * libitm_i.h: ... here.  New file.
1616         * copymask.c: New file.
1617         * local.c (struct gtm_local_undo): Move from libitm.h.
1618         (GTM_alloc_local): Rename from alloc_local; export.
1619         * memcpy.c: New file.
1620         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1621         * config/posix/page.c: New file.
1622         * config/posix/target_tls.h: Remove file.
1623         * barrier.c: New file.
1624         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1625         copymask.c, page.c.
1626         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1627         * method-wbetl.c: Rewrite for new cacheline methods.
1628         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1629
1630         * config/alpha/sjlj.S: Fix typo.
1631         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1632         * config/alpha/copymask.c: New file.
1633         * config/alpha/target.h (CACHELINE_SIZE): New.
1634         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1635
1636         * config/x86/target_i.h: Copy functions from x86/target.h.
1637         * config/x86/copymask.c: New file.
1638         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1639         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1640         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1641         * config/x86/target_tls.h: Move contents to target_i.h.
1642
1643         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1644         * testsuite/libitm.c/memcpy-1.c: New.
1645
1646 2009-10-22  Richard Henderson  <rth@redhat.com>
1647
1648         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1649         (AM_CCASFLAGS): New.
1650         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1651         saving/restoring _AC_ARG_VAR_PRECIOUS.
1652         * Makefile.in, aclocal.m4, config.h.in, configure,
1653         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1654
1655 2009-10-22  Richard Henderson  <rth@redhat.com>
1656
1657         * testsuite/*: Update for new compiler syntax.
1658
1659 2009-10-21  Richard Henderson  <rth@redhat.com>
1660
1661         * libitm.h (_ITM_abortReason): Add outerAbort.
1662
1663 2009-08-03  Richard Henderson  <rth@redhat.com>
1664
1665         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1666         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1667         * method-wbetl.c (struct w_entry): Remove mask.
1668         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1669         adjust all callers.
1670
1671 2009-07-22  Richard Henderson  <rth@redhat.com>
1672
1673         * eh_cpp.c: New file.
1674         * Makefile.am (libitm_la_SOURCES): Add it.
1675         * Makefile.in: Rebuild.
1676         * beginend.c (GTM_rollback_transaction): Undo exception state.
1677         (GTM_trycommit_transaction): Mark inline.
1678         (GTM_trycommit_and_finalize_transaction): Split out from ...
1679         (_ITM_commitTransaction): ... here.
1680         (_ITM_commitTransactionEH): New function.
1681         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1682         cxa_unthrown, eh_in_flight; reorder.
1683
1684         * testsuite/libitm.c++/c++.exp: New.
1685         * testsuite/libitm.c++/eh-1.C: New.
1686
1687         * aatree.c (aa_free): Remove REGPARM.
1688         * aatree.h: Remove all REGPARM.
1689
1690 2009-07-18  Richard Henderson  <rth@redhat.com>
1691
1692         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1693         * Makefile.am (libitm_la_SOURCES): Add them.
1694         * Makefile.in: Rebuild.
1695         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1696         (GTM_trycommit_transaction): Likewise.
1697         * libitm.h: Include aatree.h
1698         (struct gtm_alloc_action): New.
1699         (struct gtm_transaction): Add alloc_actions.
1700         (GTM_record_allocation, GTM_forget_allocation): Declare.
1701         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1702         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1703         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1704         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1705         _ZGTtdaPvRKSt9nothrow_t): Export.
1706
1707 2009-07-18  Richard Henderson  <rth@redhat.com>
1708
1709         * target_tls.h: Move ...
1710         * config/posix/target_tls.h: ... here.
1711
1712 2009-07-07  Richard Henderson  <rth@redhat.com>
1713
1714         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1715
1716 2009-07-07  Richard Henderson  <rth@redhat.com>
1717
1718         * Update to GPL3.
1719
1720 2009-07-07  Richard Henderson  <rth@redhat.com>
1721
1722         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1723         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1724
1725         * configure.tgt: Don't use -ftls-model for x86 linux.
1726         * libitm.h: Include target.h after standard includes.
1727         (_gtm_thr): Rename from gtm_thr.
1728         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1729         (gtm_disp, set_gtm_disp): New.
1730         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1731         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1732         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1733
1734 2009-07-07  Richard Henderson  <rth@redhat.com>
1735
1736         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1737
1738 2009-07-06  Richard Henderson  <rth@redhat.com>
1739
1740         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1741         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1742         (_ITM_beginTransaction): Take variadic arguments.
1743         (_ITM_registerThrownObject): Declare.
1744         * beginend.c, serial.c: Update.
1745         * libitm.map: Add _ITM_registerThrownObject.
1746
1747 2009-01-28  Richard Henderson  <rth@redhat.com>
1748
1749         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1750         * Makefile.in: Rebuild.
1751         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1752         (GTM_restart_transaction): Fix uninstrumented code check.
1753         * retry.c (GTM_decide_retry_strategy): Add serial check.
1754         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1755         automatically go irrevokable when in serial mode.
1756         * clone.c: New file.
1757         * libitm.h, libitm.map: Update.
1758
1759 2009-01-27  Richard Henderson  <rth@redhat.com>
1760
1761         * Makefile.am (LTCCASCOMPILE): Define.
1762         (libitm_la_SOURCES): Add methid-wbetl.c.
1763         * testsuite/Makefile.am: New
1764         * configure.ac: Add testsuite/Makefile.
1765         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1766         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1767         (_ITM_abortTransaction): Finalize implementation method; pass
1768         transaction properties to longjmp.
1769         (GTM_restart_transaction): Split out from ...
1770         (_ITM_commitTransaction): ... here.
1771         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1772         Move to config/x86/target.h.
1773         * config/linux/alpha/futex_bits.h: New.
1774         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1775         * config/x86/target.h: Disable target types for 32-bit.
1776         * config/alpha/sjlj.S, config/alpha/target.h: New.
1777         * libitm.h (struct gtm_dispatch): Add init, fini.
1778         (enum restart_reason): New.
1779         (struct gtm_transaction): Add method and restarts.
1780         * retry.c (GTM_decide_retry_strategy): Implement.
1781         * serial.c (serial_init, serial_fini): New.
1782         (GTM_serialmode): Finialize outgoing method.
1783         * method-wbetl.c: New.
1784
1785 2008-12-09  Richard Henderson  <rth@redhat.com>
1786
1787         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1788         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1789         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1790         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1791         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1792         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1793         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1794         * serial.c (serial_R##T, serial_W##T): Likewise.
1795
1796 2008-11-21  Richard Henderson  <rth@redhat.com>
1797
1798         * Initial commit.