libitm/ChangeLog

   1 2018-05-02  Tom de Vries  <tom@codesourcery.com>
   2
   3         PR testsuite/85106
   4         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
   5
   6 2018-05-02  Tom de Vries  <tom@codesourcery.com>
   7
   8         PR testsuite/85106
   9         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
  10
  11 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  12
  13         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  14         (__CET__ & 2) != 0 check for shadow stack.
  15         (GTM_longjmp): Likewise.
  16
  17 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  18
  19         * configure: Regenerated.
  20
  21 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
  22
  23         PR target/85489
  24         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
  25
  26 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
  27
  28         * configure: Regenerated.
  29
  30 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
  31
  32         PR jit/85384
  33         * configure: Regenerate.
  34
  35 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  36
  37         PR target/84148
  38         * configure: Regenerate.
  39
  40 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
  41
  42         Update copyright years.
  43
  44         * libitm.texi: Bump @copying's copyright year.
  45
  46 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  47
  48         * Makefile.in: Regenerate.
  49         * acinclude.m4: Add enable.m4 and cet.m4.
  50         * config/x86/sjlj.S: Include cet.h.
  51         (_ITM_beginTransaction): Add _CET_ENDBR.
  52         Save Shadow Stack pointer.
  53         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
  54         * config/x86/target.h (struct gtm_jmpbuf):
  55         Add new field for Shadow Stack pointer.
  56         * configure: Regenerate.
  57         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
  58         * configure.ac: Update libtool_VERSION for x86.
  59         * testsuite/Makefile.in: Regenerate.
  60
  61 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  62
  63         * libitm/config/x86/target.h: Add new field (ssp).
  64         * libitm/config/x86/sjlj.S: Change offsets.
  65
  66 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  67
  68         * testsuite/lib/libitm.exp: Load scanlang.exp.
  69
  70 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
  71
  72         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
  73
  74 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
  75
  76         PR other/79046
  77         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
  78         of cat to get version from BASE-VER file.
  79         * testsuite/Makefile.in: Regenerated.
  80
  81 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
  82
  83         * config/x86/target.h (htm_available): Determine vendor from
  84         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
  85
  86 2017-01-18  Torvald Riegel  <triegel@redhat.com>
  87
  88         * config/x86/target.h (htm_available): Add check for some processors
  89         on which TSX is broken.
  90
  91 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
  92
  93         PR other/79046
  94         * configure.ac: Add GCC_BASE_VER.
  95         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
  96         get version from BASE-VER file.
  97         * testsuite/Makefile.in: Regenerated.
  98         * configure: Regenerated.
  99         * Makefile.in: Regenerated.
 100
 101 2017-01-04  Alan Modra  <amodra@gmail.com>
 102
 103         * Makefile.in: Regenerate.
 104         * testsuite/Makefile.in: Regenerate.
 105
 106 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 107
 108         Update copyright years.
 109
 110         * libitm.texi: Bump @copying's copyright year.
 111
 112 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 113
 114         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 115         * aclocal.m4: Regenerate.
 116         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 117         LIBITM_CHECK_LINKER_HWCAP.
 118
 119 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 120
 121         * configure: Regenerate.
 122
 123 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 124
 125         PR libitm/70456
 126         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 127         on cache line if requested.
 128
 129 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 130
 131         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 132         function attribute to disable floating point in begin_transaction() on
 133         S/390.
 134         * beginend.cc (begin_transaction): Use
 135         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 136
 137 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 138
 139         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 140         boundary.
 141         (htm_fastpath): Remove.
 142         (gtm_thread::begin_transaction): Fix HTM fastpath.
 143         (_ITM_commitTransaction): Adapt.
 144         (_ITM_commitTransactionEH): Adapt.
 145         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 146         and accessors.
 147         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 148         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 149         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 150         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 151         * libitm/method-serial.cc (htm_mg): Adapt.
 152         (gtm_thread::serialirr_mode): Adapt.
 153         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 154
 155 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 156
 157         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 158         or AIX.
 159
 160 2016-01-19  Richard Henderson  <rth@redhat.com>
 161
 162         PR bootstrap/69343
 163         PR bootstrap/69339
 164         Revert:
 165         2016-01-13  Richard Henderson  <rth@redhat.com>
 166
 167         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 168         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 169         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 170         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 171         * configure.ac (ARCH_AARCH64): New conditional.
 172         (ARCH_PPC, ARCH_S390): Likewise.
 173         * Makefile.in, configure: Rebuild.
 174
 175         * libitm.h (_ITM_TYPE_M128): Always define.
 176         * vect64.cc: Split ...
 177         * vect128.cc: ... out of...
 178         * config/x86/x86_sse.cc: ... here.
 179         * config/arm/neon.cc: New file.
 180
 181 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 182
 183         * local_type_traits: Remove file.
 184         * libitm_i.h: Don't include it anymore.
 185         (sized_integral): Remove.
 186
 187 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 188
 189         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 190         safety.
 191         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 192         * libitm/testsuite/libitm.c/priv-1.c: New.
 193
 194 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 195
 196         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 197
 198 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 199
 200         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 201         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 202         (gtm_rwlock::write_unlock): Likewise.
 203
 204 2016-01-13  Richard Henderson  <rth@redhat.com>
 205
 206         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 207         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 208         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 209         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 210         * configure.ac (ARCH_AARCH64): New conditional.
 211         (ARCH_PPC, ARCH_S390): Likewise.
 212         * Makefile.in, configure: Rebuild.
 213
 214         * libitm.h (_ITM_TYPE_M128): Always define.
 215         * vect64.cc: Split ...
 216         * vect128.cc: ... out of...
 217         * config/x86/x86_sse.cc: ... here.
 218         * config/arm/neon.cc: New file.
 219
 220 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 221
 222         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 223         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 224         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 225         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 226         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 227         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 228         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 229         (serialirr_dispatch::snapshot_most_recent): New.
 230         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 231
 232 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 233
 234         * libitm_i.h (gtm_mask_stack): Remove.
 235         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 236         * stmlock.h: Remove file.
 237         * config/alpha/cacheline.h: Likewise.
 238         * config/generic/cacheline.h: Likewise.
 239         * config/powerpc/cacheline.h: Likewise.
 240         * config/sparc/cacheline.h: Likewise.
 241         * config/x86/cacheline.h: Likewise.
 242
 243 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 244
 245         Update copyright years.
 246
 247         * libitm.texi: Bump @copying's copyright year.
 248
 249 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 250
 251         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 252         (ml_wt_dispatch::pre_write): Adapt.
 253         (ml_wt_dispatch::pre_load): Likewise.
 254
 255 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 256
 257         * libitm_i.h (gtm_alloc_action): Remove union.
 258         * testsuite/libitm.c/alloc-1.c: New.
 259
 260 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 261
 262         * testsuite/libitm.c++/eh-5.C: New.
 263         * libitm.h (_ITM_cxa_free_exception): New.
 264         * libitm.map (_ITM_cxa_free_exception): Add it.
 265         * libitm.texi: Update ABI docs.
 266         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 267         (gtm_transaction_cp::cxa_uncaught_count): Add.
 268         (gtm_thread::cxa_unthrown): Remove.
 269         (gtm_thread::cxa_uncaught_count_ptr): Add.
 270         (gtm_thread::cxa_uncaught_count): Add.
 271         (gtm_thread::drop_references_allocations): Rename to...
 272         (gtm_thread::discard_allocation): ... this and adapt.
 273         (gtm_thread::init_cpp_exceptions): New.
 274         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 275         (gtm_thread::begin_transaction): Likewise.
 276         (gtm_transaction_cp::save): Likewise.
 277         (gtm_thread::trycommit): Likewise.
 278         * eh_cpp.cc: Add overview comments.
 279         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 280         (free_any_exception, _ITM_cxa_free_exception): New.
 281         (gtm_thread::init_cpp_exceptions): Define.
 282         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 283         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 284         (gtm_thread::revert_cpp_exceptions): Likewise.
 285
 286 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 287
 288         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 289         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 290         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 291         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 292         (gtm_thread::forget_allocations): New overload with size_t argument.
 293         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 294         adapt existing one.
 295         (gtm_thread::record_allocation): Adapt.
 296         (gtm_thread::commit_allocations_1): Adapt.
 297         (gtm_thread::commit_allocations_2): Adapt.
 298         * testsuite/libitm.c++/newdelete.C: New.
 299
 300 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 301             Joseph Myers  <joseph@codesourcery.com>
 302             Mark Shinwell  <shinwell@codesourcery.com>
 303             Andrew Stubbs  <ams@codesourcery.com>
 304             Rich Felker <dalias@libc.org>
 305
 306         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 307         GTM_begin_transaction for compatibility with FDPIC.
 308
 309 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 310
 311         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 312         using load_gcc_lib.
 313
 314 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 315
 316         PR libitm/61164
 317         * local_atomic (__always_inline): Rename to...
 318         (__libitm_always_inline): ... this.
 319
 320 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 321
 322         PR target/52482
 323         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 324
 325 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 326
 327         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 328         operands "op" and "val" to int.
 329
 330 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 331
 332         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 333         "op" and "val" to int.
 334
 335 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 336
 337         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 338         "op" and "val" to int.
 339
 340 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 341
 342         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 343         Declare as static int.
 344         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 345         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 346
 347 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 348
 349         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 350         sys_futex0 function.
 351
 352 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 353
 354         * Makefile.in: Regenerated with automake-1.11.6.
 355         * aclocal.m4: Likewise.
 356         * configure: Likewise.
 357         * testsuite/Makefile.in: Likewise.
 358
 359 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 360
 361         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 362         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 363
 364 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 365
 366         PR libitm/64360
 367         * libitm.c/stackundo.c (test2): Make it static.
 368         (test1): Likewise.
 369
 370 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 371
 372         Update copyright years.
 373
 374 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 375
 376         * libitm.texi: Bump @copying's copyright year.
 377
 378 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 379
 380         * testsuite/lib/libitm.exp: Load target-utils.exp.
 381         Move load of target-supports.exp earlier.
 382
 383 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 384
 385         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 386
 387 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 388
 389         PR bootstrap/63784
 390         * configure: Regenerated.
 391
 392 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 393
 394         PR target/63610
 395         * configure: Regenerate.
 396
 397 2014-10-06  Marek Polacek  <polacek@redhat.com>
 398
 399         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 400         * testsuite/libitm.c/memset-1.c: Likewise.
 401
 402 2014-07-24  Richard Henderson  <rth@redhat.com>
 403
 404         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 405         addressing mode in epilogue.
 406
 407 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 408
 409         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 410         -mclear-hwcap instead.
 411         * configure: Regenerate.
 412         * clearcap.map: Remove.
 413
 414 2014-05-21  John Marino  <gnugcc@marino.st>
 415
 416         * configure.tgt (*-*-dragonfly*): New target.
 417
 418 2014-05-19  Richard Henderson  <rth@redhat.com>
 419
 420         * config/aarch64/sjlj.S: New file.
 421         * config/aarch64/target.h: New file.
 422         * configure.tgt: Enable aarch64.
 423
 424 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 425
 426         * config/generic/asmcfi.h: Also check for
 427         __GCC_HAVE_DWARF2_CFI_ASM.
 428
 429 2013-04-02  Richard Henderson  <rth@redhat.com>
 430
 431         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 432         * config/arm/target.h, config/sh/target.h: Likewise.
 433         * config/sparc/target.h, config/x86/target.h: Likewise.
 434
 435 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 436
 437         * config/linux/futex_bits.h: Include errno.h.
 438         (sys_futex0): If syscall returns -1, return -errno rather than
 439         -1.
 440
 441 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 442
 443         * libitm.texi (Index): Rename to Library Index.
 444
 445 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 446
 447         PR libitm/53113
 448         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 449         (x86_avx.lo): Append -mavx to CXXFLAGS.
 450         * Makefile.in: Regenerate.
 451
 452 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 453
 454         Update copyright years
 455
 456 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 457
 458         * libitm.texi: Bump @copying's copyright year.
 459
 460 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 461
 462         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 463         (FUNC): Define ELFv2 variant.
 464         (END): Likewise.
 465         (HIDDEN): Likewise.
 466         (CALL): Likewise.
 467         (BASE): Likewise.
 468         (LR_SAVE): Likewise.
 469
 470 2013-09-20  Alan Modra  <amodra@gmail.com>
 471
 472         * configure: Regenerate.
 473
 474 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 475
 476         * config/posix/rwlock.cc: Fix initialization order.
 477
 478 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 479
 480         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 481         (htm_fastpath): Assign an asm name.
 482         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 483         HTM fast paths.
 484         (_ITM_actions): Likewise.
 485         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 486         x86_64.
 487         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 488         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 489         field to the start of the structure.
 490         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 491         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 492         handling for custom HTM fast paths.
 493
 494 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 495         Revert:
 496         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 497
 498         * configure.tgt: Add -msoft-float to XCFLAGS.
 499
 500 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 501
 502         * configure.tgt: Add -msoft-float to XCFLAGS.
 503
 504 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 505
 506         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 507         (htm_transaction_active): Enable zEC12 instructions in the
 508         assembler.
 509         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 510
 511 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 512
 513         * acinclude.m4: Add htm asm check for s390.
 514         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 515         * configure: Regenerate.
 516         * config/s390/target.h: Remove __HTM__ check.
 517         (htm_available): Call getauxval to get hwcaps and check whether
 518         HTM is available or not.
 519
 520 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 521
 522         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 523         * configure.ac: Use it.
 524         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 525         (AC_CHECK_FUNCS): Check for getauxval.
 526         * config.h.in, configure: Rebuild.
 527         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 528         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 529         (USE_HTM_FASTPATH): Define.
 530         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 531         _HTM_RETRIES) New macros.
 532         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 533         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 534
 535 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 536
 537         * config/s390/target.h: Include htmintrin.h.
 538         (_HTM_ITM_RETRIES): New macro definition.
 539         (htm_available, htm_init, htm_begin, htm_begin_success)
 540         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 541
 542 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 543             Cesar Philippidis  <cesar@codesourcery.com>
 544
 545         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 546         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 547         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 548         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 549
 550 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 551
 552         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 553         (_ITM_getTransactionId): Same.
 554         * config/x86/target.h (htm_transaction_active): New.
 555
 556 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 557
 558         PR libitm/57643
 559         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 560         the HTM fastpath.
 561
 562 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 563
 564         PR bootstrap/56714
 565         * local_atomic (__always_inline): Always define our version.
 566         (__calculate_memory_order): Mark inline.
 567         (atomic_thread_fence): Ditto.
 568         (atomic_signal_fence): Ditto.
 569         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 570         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 571         (atomic_bool::atomic_flag_test_and_set): Ditto.
 572         (atomic_bool::atomic_flag_clear): Ditto.
 573
 574 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 575
 576         * config/s390/sjlj.S: New file.
 577         * config/s390/target.h: New file.
 578         * configure.tgt: Set options for S/390.
 579
 580 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 581
 582         * local_atomic (__always_inline): Add.
 583         (__calculate_memory_order, atomic_thread_fence,
 584          atomic_signal_fence, test_and_set, clear, store, load,
 585          exchange, compare_exchange_weak, compare_exchange_strong,
 586          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 587         Add __always_inline to force inlining.
 588
 589 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 590             Jack Howarth  <howarth@bromo.med.uc.edu>
 591             Patrick Marlier  <patrick.marlier@gmail.com>
 592
 593         PR libitm/55693
 594         * alloc_cpp.cc: Enable function declarations on darwin.
 595         * eh_cpp.cc: Likewise.
 596
 597 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 598
 599         Update copyright years.
 600
 601 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 602
 603         * beginend.cc (htm_fastpath): New.
 604         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 605         _ITM_commitTransactionEH): Add HTM fastpath handling.
 606         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 607         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 608         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 609         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 610         * configure.tgt: Add -mrtm to XCFLAGS.
 611         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 612         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 613         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 614         * retry.cc (parse_default_method): Add HTM method parsing.
 615         (gtm_thread::number_of_threads_changed): Use HTM by default if
 616         available.
 617
 618 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 619
 620         * configure: Regenerate.
 621
 622 2012-10-31  Richard Henderson  <rth@redhat.com>
 623
 624         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 625         * configure.ac: Use it.
 626         * config.h.in, configure: Rebuild.
 627         * testsuite/Makefile.in: Rebuild.
 628
 629 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 630
 631         * libitm.texi: Clarify ABI requirements for data-logging functions.
 632
 633 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 634
 635         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 636         it requires serial mode instead of assuming that for certain
 637         dispatchs.
 638         * dispatch.h (abi_dispatch::requires_serial): New.
 639         (abi_dispatch::abi_dispatch): Adapt.
 640         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 641         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 642         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 643         serial_dispatch::serial_dispatch,
 644         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 645
 646 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 647
 648         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 649         and ia32 declarations some more.
 650         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 651
 652 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR other/43620
 655         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 656         * configure: Regenerate.
 657         * Makefile.in: Regenerate.
 658
 659 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 660
 661         * configure: Regenerated.
 662
 663 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 664
 665         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 666
 667 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 668
 669         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 670
 671 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 672
 673         * configure: Regenerated.
 674
 675 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 676
 677         PR libitm/52854
 678         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 679         for x86-64.
 680
 681 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 682
 683         * configure: Regenerate.
 684
 685 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 686
 687         PR bootstrap/52812
 688         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 689
 690 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 691
 692         * testsuite/lib/libitm.exp: load fortran-modules.exp
 693
 694 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 695
 696         * configure.tgt (*-*-irix6*): Remove.
 697
 698 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 699
 700         PR libitm/52526
 701         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 702         wake-up.
 703
 704 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 705
 706         * configure.tgt (*-*-osf*): Remove.
 707         * configure: Regenerate.
 708
 709 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 710
 711         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 712         memtransfer/memset if size isn't larger than zero.
 713
 714 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 715
 716         * libitm.texi: Link to specification and add a usage example.
 717
 718 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 719
 720         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 721         default dispatch for more than 1 thread to ml_wt.
 722
 723 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 724
 725         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 726
 727 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 728
 729         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 730
 731 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 732
 733         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 734         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 735         (gl_wt_dispatch.rollback): Same.
 736
 737 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 738
 739         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 740
 741 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 742
 743         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 744         for RfW src.  Optimize number of calls to gtm_thr.
 745
 746 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 747
 748         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 749         acquisition to ...
 750         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 751         (default_dispatch): Make atomic.
 752         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 753         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 754         use decide_begin_dispatch() if default_dispatch might have changed.
 755         (GTM::gtm_thread::number_of_threads_changed): Initialize
 756         default_dispatch here.
 757
 758 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 759             Patrick Marlier  <patrick.marlier@gmail.com>
 760
 761         PR libitm/52220
 762         * alloc_cpp.cc: No dummy definitions for darwin.
 763         * eh_cpp.cc: Likewise.
 764
 765 2012-02-14  Richard Henderson  <rth@redhat.com>
 766
 767         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 768
 769 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 770
 771         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 772
 773 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 774
 775         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 776         (GTM::gtm_thread): Add read and write logs.
 777         (GTM::dispatch_ml_wt): Declare.
 778         * retry.cc (parse_default_method): Support ml_wt.
 779         * method-ml.cc: New file.
 780         * Makefile.am: Add method-ml.cc.
 781         * Makefile.in: Regenerate.
 782
 783 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 784
 785         * dispatch.h (GTM::abi_dispatch::supports): New.
 786         (GTM::method_group::reinit): New.
 787         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 788         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 789         supports the current situation.
 790
 791 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 792
 793         * util.cc (GTM::xcalloc): New.
 794         * common.h (GTM::xcalloc): Declare.
 795
 796 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 797
 798         * config/sparc/target.h (cpu_relax): Read from CC register.
 799         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 800
 801 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 802
 803         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 804
 805 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 806
 807         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 808         * config/sparc/cacheline.h: New file.
 809         * config/sparc/target.h: Likewise.
 810         * config/sparc/sjlj.S: Likewise.
 811         * config/linux/sparc/futex_bits.h: Likewise.
 812
 813 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 814
 815         * configure.ac (link_itm): Fix comment.
 816         * configure: Regenerate.
 817         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 818
 819 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 820
 821         PR libitm/51822
 822         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 823         Correct libgomp references.
 824
 825 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 826
 827         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 828         wake-up.
 829
 830 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 831
 832         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 833         end of structure.
 834         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 835         offset values.  Do not copy return address.  Decrement stack
 836         by 56 bytes only.
 837         (GTM_longjump) [__x86_64__]: Update offset values.
 838
 839 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 840
 841         PR libitm/51830
 842         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 843         the first function argument to %eax.
 844
 845 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 846
 847         * libitm.h (_ITM_getThreadnum): Remove.
 848         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 849
 850 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 851
 852         * clearcap.map: New file.
 853         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 854         * configure.ac: Call it.
 855         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 856         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 857         * configure: Regenerate.
 858         * Makefile.in: Regenerate.
 859         * testsuite/Makefile.in: Regenerate.
 860
 861 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 862
 863         PR libitm/51173
 864         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 865         include, exclude options.
 866
 867 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 868
 869         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 870         rolling back.
 871         * containers.h (GTM::vector::set_size): New.
 872
 873 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 874
 875         PR libitm/51855
 876         * config/generic/tls.h (GTM::mask_stack_top): New.
 877         (GTM::mask_stack_bottom): Declare.
 878         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 879         * local.cc (gtm_undolog::rollback): Filter out any updates that
 880         overlap the libitm stack.  Add current transaction as parameter.
 881         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 882         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 883         * testsuite/libitm.c/stackundo.c: New test.
 884
 885 2012-01-10  Richard Henderson  <rth@redhat.com>
 886
 887         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 888         * eh_cpp.cc (_Unwind_DeleteException): Define for
 889         !HAVE_ELF_STYLE_WEAKREF.
 890
 891 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 892
 893         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 894         (GTM::gtm_thread::drop_references_undolog): Remove.
 895         (GTM::gtm_thread::commit_undolog,
 896         GTM::gtm_thread::rollback_undolog): Move to ...
 897         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 898         (GTM::gtm_undolog_entry): Remove.
 899         (GTM::gtm_thread): Adapt.
 900         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 901         (GTM::gtm_thread::trycommit): Adapt.
 902         * method-serial.cc (serial_dispatch::log): Adapt.
 903         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 904         (gl_wt_dispatch::store): Fix likely/unlikely.
 905         * containers.h (GTM::vector::resize): Add additional_capacity
 906         parameter and handle it.
 907         (GTM::vector::resize_noinline): New/adapt.
 908         (GTM::vector::push): New.
 909
 910 2012-01-06  Richard Henderson  <rth@redhat.com>
 911
 912         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 913         * config/linux/powerpc/futex_bits.h: New file.
 914         * config/powerpc/cacheline.h: New file.
 915         * config/powerpc/sjlj.S: New file.
 916         * config/powerpc/target.h: New file.
 917         * config/generic/asmcfi.h (cfi_offset): New.
 918         (cfi_restore, cfi_undefined): New.
 919
 920 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 921
 922         PR other/51171
 923         * testsuite/libitm.c/reentrant.c: Remove xfail.
 924         (thread): Pass x to pure().
 925         From Patrik Marlier <patrick.marlier@gmail.com>.
 926
 927 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 928
 929         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 930         privatization safety if already in serial mode.
 931
 932 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 933
 934         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 935         finish_serial_upgrade parameter.
 936         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 937         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 938         Don't unset reader flag.
 939         (GTM::gtm_rwlock::write_upgrade_finish): New.
 940         * config/posix/rwlock.cc: Same.
 941         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 942         Declare.
 943         * config/posix/rwlock.h: Same.
 944         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 945         flag after commit or after rollback when restarting.
 946
 947 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 948
 949         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 950         (GTM::gtm_thread::try_commit): Changed memory order.
 951         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 952         as parameter.
 953         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 954         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 955         * config/linux/futex_bits.h (sys_futex0): Same.
 956         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 957         * config/linux/futex.h (futex_wait, futex_wake): Same.
 958         * config/linux/rwlock.h (gtm_rwlock::writers,
 959         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 960         ints.
 961         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 962         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 963         gtm_rwlock::write_unlock): Fix memory orders and fences.
 964         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 965         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 966         gtm_rwlock::write_unlock): Same.
 967         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 968         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 969         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 970         Add comments.
 971         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 972         gl_wt_dispatch::load, gl_wt_dispatch::store,
 973         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 974         orders and fences.  Add comments.
 975
 976 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 977
 978         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 979         * Makefile.in: Regenerated.
 980
 981 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 982
 983         * configure.tgt: Add sh* case.
 984         * config/sh/target.h: New file.
 985         * config/sh/sjlj.S: New file.
 986         * config/linux/sh/futex_bits.h: New file.
 987
 988 2011-12-14  Richard Henderson  <rth@redhat.com>
 989
 990         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 991         * config/arm/sjlj.S, config/arm/target.h: New files.
 992         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 993         (cfi_rel_offset): New.
 994         * config/linux/futex_bits.h: New file.
 995         * config/linux/futex.cc: Include futex_bits.h here...
 996         * config/linux/futex.h: ... not here.
 997         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 998         * configure.ac (ARCH_AM): New conditional.
 999         * Makefile.in, configure: Rebuild.
1000         * configure.tgt: Handle ARM.
1001
1002 2011-12-13  Richard Henderson  <rth@redhat.com>
1003
1004         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1005         signed/unsigned comparison werror.
1006
1007         * local_atomic: New file.
1008         * libitm_i.h: Include it.
1009         (gtm_thread::shared_state): Use atomic template.
1010         * beginend.cc (GTM::gtm_clock): Use atomic template.
1011         (global_tid): Use atomic template if 64-bit atomics available.
1012         (gtm_thread::gtm_thread): Update shared_state access.
1013         (gtm_thread::trycommit): Likewise.
1014         (choose_code_path): Update global_tid access.
1015         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1016         * stmlock.h (GTM::gtm_clock): Use atomic template.
1017         (gtm_get_clock, gtm_inc_clock): Update accesses.
1018         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1019         redundant __sync_synchronize after atomic shared_state access.
1020         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1021         (gtm_rwlock::write_lock_generic): Likewise.
1022         (gtm_rwlock::read_unlock): Likewise.
1023         * config/alpha/target.h (atomic_read_barrier): Remove.
1024         (atomic_write_barrier): Remove.
1025         * config/x86/target.h (atomic_read_barrier): Remove.
1026         (atomic_write_barrier): Remove.
1027
1028 2011-11-30  Richard Henderson  <rth@redhat.com>
1029
1030         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1031         * beginend.c (_ITM_abortTransaction): Update to match.
1032         (GTM::gtm_thread::restart): Likewise.
1033         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1034         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1035
1036 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1037
1038         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1039         * Makefile.in: Regenerate.
1040
1041 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1042
1043         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1044         * alloc_cpp.cc: Generate dummy functions if we don't
1045         HAVE_ELF_STYLE_WEAKREF.
1046         * eh_cpp.cc: Likewise.
1047         * configure: Regenerate.
1048         * aclocal.m4:  Likewise.
1049         * config.h.in: Likewise.
1050         * Makefile.in: Likewise.
1051         * testsuite/Makefile.in: Likewise.
1052
1053 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1054
1055         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1056         __USER_LABEL_PREFIX__ for targets that use it.
1057         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1058         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1059         in portability to non-elf targets.
1060         (GTM_longjmp): Likewise.
1061         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1062         where required.
1063
1064 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1065
1066         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1067         * testsuite/libitm.c/memset-1.c: Likewise.
1068
1069 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1070
1071         * configure: Regenerate.
1072
1073 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1074
1075         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1076         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1077         * Makefile.am: Handle sun style versioning.
1078         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1079         * configure: Regenerate.
1080         * Makefile.in: Regenerate.
1081
1082 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1083
1084         * config/generic/asmcfi.h: Fix comment.
1085         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1086         sequence without .hidden support, error for non-ELF targets.
1087         (GTM_longjmp) [__ELF__]: Only use .hidden if
1088         HAVE_ATTRIBUTE_VISIBILITY.
1089
1090 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1091
1092         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1093         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1094         Dummy functions.
1095         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1096         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1097
1098 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         PR bootstrap/51098
1101         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1102         * configure: Regenerate.
1103
1104 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1105
1106         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1107
1108 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1109
1110         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1111         .hidden.
1112         (.note.GNU-stack): Only use if __linux__.
1113         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1114         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1115         * testsuite/libitm.c/reentrant.c: Likewise.
1116         * testsuite/libitm.c/simple-2.c: Likewise.
1117         * testsuite/libitm.c/txrelease.c: Likewise.
1118         * testsuite/libitm.c++/static_ctor.C: Likewise.
1119
1120 2011-11-10  Richard Henderson  <rth@redhat.com>
1121
1122         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1123         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1124         * configure.ac (ARCH_X86_AVX): New conditional.
1125         * Makefile.in, configure: Rebuild.
1126
1127 2011-11-09  Richard Henderson  <rth@redhat.com>
1128
1129         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1130         * configure.ac: Use it.
1131         * config.h.in, configure: Rebuild.
1132         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1133
1134 2011-11-09  Richard Henderson  <rth@redhat.com>
1135
1136         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1137         * config/alpha/unaligned.h: Remove file.
1138         * config/generic/unaligned.h: Remove file.
1139         * config/x86/unaligned.h: Remove file.
1140         * config/generic/cachepage.h: Remove file.
1141         * config/posix/cachepage.cc: Remove file.
1142         * config/generic/cacheline.cc: Remove file.
1143         * config/x86/cacheline.cc: Remove file.
1144         * config/generic/cacheline.h (gtm_cacheline): Remove the
1145         store_mask, copy_mask, copy_mask_wb methods.
1146         * config/x86/cacheline.h: Likewise.
1147         * config/alpha/cacheline.h: Fall back to generic after setting size.
1148         * config/generic/tls.cc (gtm_mask_stack): Remove.
1149         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1150         (GTM_vpalignr_table): Remove.
1151         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1152         (GTM_pshift_table): Remove.
1153         * config/libitm_i.h: Don't include cachepage.h.
1154         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1155         * Makefile.in, testsuite/Makefile.in: Rebuild.
1156
1157 2011-11-09  Richard Henderson  <rth@redhat.com>
1158
1159         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1160         to emit branch prediction hint.
1161
1162         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1163         Protect .note.GNU-stack with __linux__.
1164
1165         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1166         * configure, aclocal.m4, config.h.in: Rebuild.
1167         * config/generic/asmcfi.h: New file.
1168         * config/x86/sjlj.S: Use it.
1169
1170 2011-11-08  Richard Henderson  <rth@redhat.com>
1171
1172         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1173
1174 2011-11-08  Richard Henderson  <rth@redhat.com>
1175
1176         * configure.tgt: Test correct directory for supported cpus.
1177
1178         * configure.ac: Exit if unsupported.
1179         * configure: Rebuild.
1180         * configure.tgt: Delete boilerplate from libgomp for unsupported
1181         targets.  Set UNSUPPORTED for unsupported targets.
1182
1183 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1184
1185         * configure.tgt: Handle i386 like i[456]86.
1186         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1187         take address.
1188         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1189         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1190
1191 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1192
1193         * method-wbetl.cc: Update copyright notice.
1194         * aatree.cc: Same.
1195         * util.cc: Same.
1196         * libitm.h: Same.
1197         * memset.cc: Same.
1198         * eh_cpp.cc: Same.
1199         * barrier.tpl: Same.
1200         * useraction.cc: Same.
1201         * stmlock.h: Same.
1202         * memcpy.cc: Same.
1203         * common.h: Same.
1204         * config/generic/tls.cc: Same.
1205         * config/generic/cacheline.h: Same.
1206         * config/generic/cachepage.h: Same.
1207         * config/generic/cacheline.cc: Same.
1208         * config/generic/unaligned.h: Same.
1209         * config/x86/cacheline.h: Same.
1210         * config/x86/cacheline.cc: Same.
1211         * config/x86/unaligned.h: Same.
1212         * config/alpha/cacheline.h: Same.
1213         * config/alpha/unaligned.h: Same.
1214         * config/alpha/sjlj.S: Same.
1215         * config/posix/cachepage.cc: Same.
1216         * config/linux/futex.h: Same.
1217         * config/linux/alpha/futex_bits.h: Same.
1218
1219 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1220
1221         * libitm.texi: No cover text and invariant sections.
1222
1223 2011-11-03  Richard Henderson  <rth@redhat.com>
1224
1225         * local_type_traits: New file.
1226         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1227
1228 2011-11-03  Richard Henderson  <rth@redhat.com>
1229
1230         * configure.ac: Don't test for gfortran.
1231         * configure: Rebuild.
1232
1233         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1234         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1235
1236 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1237
1238         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1239         * testsuite/libitm.c/memset-1.c: Same.
1240         * testsuite/libitm.c/c.exp: Same.
1241         * testsuite/lib/libitm-dg.exp: Same.
1242         * testsuite/lib/libitm.exp: Same.
1243         * testsuite/libitm.c++/c++.exp: Same.
1244
1245 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1246
1247         * testsuite/config/default.exp: Update copyright date.
1248         * configure.ac: Add copyright info.
1249         * configure.tgt: Same.
1250
1251 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1252
1253         * testsuite/libitm.c/reentrant.c: XFAIL.
1254         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1255
1256 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1257
1258         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1259         handle aborts.
1260         (_ITM_abortTransaction): Handle aborts of outer transactions.
1261         * libitm_i.h: Same.
1262         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1263         * libitm.texi: Document aborts of outer transactions.
1264         * testsuite/libitm.c/cancel.c: New file.
1265
1266 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1267
1268         * testsuite/*: Change __transaction to __transaction_atomic or
1269         __transaction_relaxed.
1270
1271 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1272
1273         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1274         (gtm_thr): Same.
1275
1276 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1277
1278         * libitm_i.h: Add gl_wt dispatch.
1279         * retry.cc (parse_default_method): Same.
1280         * method-gl.cc: New file.
1281         * Makefile.am: Use method-gl.cc.
1282         * Makefile.in: Rebuild.
1283
1284 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1285
1286         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1287         safety if requested by a TM method.
1288         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1289         privatization safety.
1290         * method-serial.cc: Same.
1291
1292 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1293
1294         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1295         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1296         undolog-related member functions from *_local to *_undolog.
1297         * local.cc (gtm_thread::commit_undolog): Same.
1298         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1299         (GTM::gtm_thread::rollback): Roll back undolog before
1300         dispatch-specific rollback.
1301
1302 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1303
1304         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1305         re-initialization of the current method group.
1306         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1307
1308 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1309
1310         * alloc.cc (commit_allocations_2): Do not free transaction-local
1311         memory when committing a nested transaction.
1312
1313 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1314
1315         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1316         serial-irrevocable dispatch, not serial.
1317
1318 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1319
1320         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1321         declarations.
1322         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1323         * method-serial.cc: Implement begin_or_restart().
1324         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1325         dispatch-specific begin_or_restart().
1326         (GTM::gtm_thread::restart): Same.
1327
1328 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1329
1330         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1331         restarting without switching to serial mode.
1332         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1333         transaction state. Choose closed-nesting alternative if available.
1334         (GTM::gtm_thread::set_default_dispatch): New.
1335         (parse_default_method): New.
1336         (GTM::gtm_thread::number_of_threads_changed): New.
1337         * method-serial.cc (GTM::serial_mg): New method group class.
1338         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1339         fini.
1340         (GTM::serial_dispatch): Same.
1341         (GTM::serialirr_onwrite_dispatch): Same.
1342         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1343         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1344         registered threads.
1345         (GTM::gtm_thread::gtm_thread): Same.
1346         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1347         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1348         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1349         choose dispatch but set state according to dispatch here.
1350         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1351         (GTM::method_group): New class.
1352         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1353         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1354         * libitm.texi: Document TM methods, method groups, method life cycle.
1355         Rename method sets to method groups.
1356
1357 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1358
1359         * config/x86/tls.h: Moved to ...
1360         * config/linux/x86/tls.h: ... here.
1361
1362 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1363
1364         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1365         Add X32 support.
1366         * config/x86/sjlj.S: Same.
1367
1368 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1369
1370         * config/linux/rwlock.h: New file.
1371         * config/linux/rwlock.c: New file.
1372         * configure.ac: Reenable futex support (undo SVN rev 157758).
1373         * Makefile.am: Same.
1374         * configure.tgt: Same.
1375         * config/linux/alpha/futex_bits.h: Same.
1376         * config/linux/futex.h: Same. Return number of woken processes.
1377         * config/linux/futex.cc: Same.
1378         (futex_wait): Remove spinning.
1379         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1380         Use __x86_64__ instead of __LP64__.
1381         * aclocal.m4: Include generic futex checks.
1382         * configure: Rebuild.
1383         * Makefile.in: Rebuild.
1384         * testsuite/Makefile.in: Rebuild.
1385         * beginend.cc: Include pthread.h.
1386         * config/posix/cachepage.cc: Same.
1387
1388 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1389
1390         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1391         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1392         (set_gtm_thr): New.
1393         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1394         (set_gtm_thr): New.
1395         (GTM::gtm_thread::thread_num): Removed.
1396         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1397         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1398         tx-to-thread renaming.
1399         * beginend.cc: Adapted to tx-to-thread renaming.
1400         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1401         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1402         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1403         gtm_transaction to gtm_thread.
1404         (_ITM_getThreadnum): Removed. Not supported anymore.
1405         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1406         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1407         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1408         gtm_tx-to-gtm_thr renaming if necessary.
1409         * eh_cpp.cc: Same.
1410         * local.cc: Same.
1411         * retry.cc: Same.
1412         * clone.cc: Same.
1413         * alloc.cc: Same.
1414         * alloc_c.cc: Same.
1415         * alloc_cpp.cc: Same.
1416         * method-serial.cc: Same.
1417         * config/generic/tls.cc: Same.
1418         * config/posix/rwlock.h (gtm_rwlock): Same.
1419         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1420
1421 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1422
1423         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1424         implementation.
1425         (gtm_rwlock::read_unlock): Same.
1426         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1427         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1428         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1429         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1430         w_upgrade. Replaced by per-transaction flags (in shared_state).
1431         Added c_confirmed_writers.
1432         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1433         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1434         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1435         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1436         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1437         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1438         * libitm.texi: Document locking conventions and implementations in
1439         libitm.
1440
1441 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1442
1443         * libitm_i.h (next_tx): Add list of all threads' transaction.
1444         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1445         transaction with list of transactions and ...
1446         (thread_exit_handler): ... deregister here.
1447         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1448         * config/x86/target.h: Same.
1449
1450 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1451
1452         * testsuite/libitm.c++/static_ctor.C: New file.
1453
1454 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1455
1456         * testsuite/libitm.c/reentrant.c: New file.
1457
1458 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1459
1460         * config/generic/tls.h: Remove the free list for transactions and ...
1461         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1462         (GTM::gtm_transaction::operator delete): ... and release here.
1463         (thread_exit_handler): New. Delete tx when thread terminates.
1464         (thread_exit_init): New.
1465         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1466         * testsuite/libitm.c/txrelease.c: New file.
1467
1468 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1469
1470         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1471         * testsuite/libitm.c/notx.c: New file.
1472
1473 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1474
1475         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1476         * libitm_i.h (local_tid): ... to here.
1477         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1478         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1479
1480 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1481
1482         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1483         serialirr_onwrite_dispatch as new default for now.
1484         * method-serial.cc (serialirr_onwrite_dispatch): New.
1485         (GTM::dispatch_serialirr_onwrite): New.
1486         * libitm_i.h: Same.
1487
1488 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1489
1490         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1491         * query.cc (_ITM_getTransactionId): There is no active transaction if
1492         the current nesting level is zero.
1493
1494 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1495
1496         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1497         rollback.
1498
1499 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1500
1501         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1502         transaction properties from the caller instead of from the
1503         transaction object.
1504         * libitm_i.h: Same.
1505         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1506
1507 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1508
1509         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1510         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1511         * dispatch.h: Same.
1512         * method-serial.cc: Same.
1513         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1514         flat nesting as default, and closed nesting on demand.
1515         (GTM::gtm_transaction::rollback): Same.
1516         (_ITM_abortTransaction): Same.
1517         (GTM::gtm_transaction::restart): Same.
1518         (GTM::gtm_transaction::trycommit): Same.
1519         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1520         (choose_code_path): New.
1521         (GTM::gtm_transaction_cp::save): New.
1522         (GTM::gtm_transaction_cp::commit): New.
1523         * query.cc (_ITM_inTransaction): Support flat nesting.
1524         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1525         (GTM::gtm_transaction): Support flat and closed nesting.
1526         * alloc.cc (commit_allocations_2): New.
1527         (commit_cb_data): New helper struct.
1528         (GTM::gtm_transaction::commit_allocations): Handle nested
1529         commits/rollbacks.
1530         * libitm.texi: Update user action section, add description of nesting.
1531
1532 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1533
1534         * libitm_i.h: Add closed nesting as restart reason.
1535         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1536
1537 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1538
1539         * useraction.cc: Use vector instead of list to store actions.
1540         Also support partial rollbacks for closed nesting.
1541         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1542         * beginend.cc: Same.
1543
1544 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1545
1546         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1547         closed_nesting flags, as well as a closed nesting alternative.
1548         * method-serial.cc: Same.
1549         (serial_dispatch): Renamed to serialirr_dispatch.
1550         (GTM::dispatch_serialirr): Same.
1551         (serial_dispatch_ul): Renamed to serial_dispatch.
1552         (GTM::dispatch_serial): Same.
1553
1554 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1555
1556         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1557
1558 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1559
1560         * aatree.h (aa_tree::remove): New.
1561         (aa_tree::operator new): Add placement new.
1562
1563 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1564
1565         * containers.h: New file.
1566         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1567         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1568         * common.h: ... to here.
1569         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1570         * local.cc: Same.
1571
1572 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1573
1574         * libitm_i.h (STATE_ABORTING): Remove.
1575         * beginend.cc (_ITM_abortTransaction): Same.
1576         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1577         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1578         (_ITM_rollbackTransaction): Remove.
1579         * beginend.cc: Same.
1580         * libitm.map: Same.
1581         * libitm.texi: Document these ABI changes.
1582
1583 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1584
1585         * libitm.texi: New file.
1586         * Makefile.am: Add libitm.texi.
1587         * Makefile.in: Rebuild.
1588
1589 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1590
1591         * libitm_i.h: Move parts to common.h and dispatch.h.
1592         * common.h: New file.
1593         * dispatch.h: New file, new dispatch class.
1594         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1595         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1596         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1597         decision to retry.cc.
1598         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1599         only.
1600         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1601         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1602         logging.
1603         * barrier.cc: Use new barriers definitions.
1604         (abi_dispatch::memmove_overlap_check): New.
1605         * config/x86/x86_sse.cc: Same.
1606         * config/x86/x86_avx.cc: Same.
1607         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1608         memcpy.cc.
1609         * Makefile.in: Rebuild.
1610         * method-readonly.cc: Remove.
1611         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1612         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1613
1614 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1615
1616         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1617         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1618         * testsuite/libitm.c/dropref-2.c: Same.
1619         * testsuite/libitm.c/dropref.c: Same.
1620
1621 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1622
1623         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1624         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1625         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1626         * alloc_c.cc: Same.
1627         * barrier.tpl: Same.
1628         * beginend.c: Same.
1629         * config/generic/tls.h: Same.
1630         * config/x86/tls.h: Same.
1631         * libitm_i.h: Same.
1632         * memcpy.cc: Same.
1633         * memset.cc: Same.
1634         * method-readonly.cc: Same.
1635         * method-serial.cc: Same.
1636         * method-wbetl.cc: Same.
1637         * retry.cc: Same.
1638
1639 2011-03-03  Richard Henderson  <rth@redhat.com>
1640
1641         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1642         From Patrik Marlier <patrick.marlier@unine.ch>.
1643
1644 2011-02-03  Richard Henderson  <rth@redhat.com>
1645
1646         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1647         * configure.ac: Use it.
1648         * configure, config.h.in: Rebuild.
1649         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1650         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1651         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1652         * libitm.map: Use wildcards to match size_t mangling.
1653
1654 2010-12-14  Richard Henderson  <rth@redhat.com>
1655
1656         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1657         blocks of TIDs per thread.
1658         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1659         (setup_gtm_thr): Return the thread structure.
1660         * config/x86/tls.h (setup_gtm_thr): Likewise.
1661
1662 2010-12-14  Richard Henderson  <rth@redhat.com>
1663
1664         * clone.cc (table_lock): Remove.
1665         (find_clone): Don't take it.
1666         (ExcludeTransaction): New helper class.
1667         (_ITM_registerTMCloneTable): Use it.
1668         (_ITM_deregisterTMCloneTable): Likewise.
1669
1670 2010-12-14  Richard Henderson  <rth@redhat.com>
1671
1672         * config/x86/tls.h: New file.
1673
1674 2010-07-15  Richard Henderson  <rth@redhat.com>
1675
1676         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1677         * Makefile.in: Rebuild.
1678
1679 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1680
1681         * method-wbetl.cc (trydropreference): Fix source line.
1682
1683 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1684
1685         * libitm.h: Add comment.
1686         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1687
1688 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1689
1690         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1691         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1692         available, use pthread mutexes.
1693         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1694         * config.h.in: Regenerate.
1695         * configure: Regenerate.
1696
1697 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1698
1699         * libitm.h (ITM_PURE): Define.
1700         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1701
1702 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1703
1704         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1705         (validate): Add comment.
1706         (trydropreference): New.
1707         * method-readonly.cc (class readonly_dispatch): Add
1708         trydropreference.
1709         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1710         Call trydropreference().
1711         * libitm.h (_ITM_dropReferences): Remove const attribute.
1712         * method-serial.cc (class serial_dispatch): Add trydropreference.
1713         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1714
1715 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1716
1717         * memcpy.cc (do_memcpy): Comment.
1718
1719 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1720
1721         * barrier.tpl: Add comments throughout.
1722
1723 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1724
1725         * method-wbetl.cc (struct w_entry): Add comments.
1726         (trycommit): Same.
1727         (rollback): Same.
1728
1729 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1730
1731         * alloc_c.cc (_ITM_dropReferences): New.
1732         * libitm.map (_ITM_dropReferences): Add.
1733         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1734         * libitm_i.h (struct gtm_transaction): Declare
1735         drop_references_allocations and drop_references_local.
1736         * local.cc (rollback_local): Ignore memory when applicable.
1737         (drop_references_local): New.
1738
1739 2010-06-23  Richard Henderson  <rth@redhat.com>
1740
1741         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1742         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1743         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1744         * config/alpha/target.h: Likewise.
1745         * config/generic/tls.cc (gtm_mask_stack): Use it.
1746
1747 2010-06-23  Richard Henderson  <rth@redhat.com>
1748
1749         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1750         a mutex instead of trying a lock-free compare-and-swap on the list.
1751         (gtm_cacheline_page::operator delete): Likewise.
1752
1753 2010-06-16  Richard Henderson  <rth@redhat.com>
1754
1755         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1756         that overlap the libitm stack.
1757         * barrier.tpl: Mark incoming stack.
1758         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1759         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1760         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1761         * memcpy.cc, memset.cc: Likewise.
1762         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1763         * config/generic/tls.h (gtm_thread): Add stack_top member.
1764         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1765         * libitm_i.h (gtm_mask_stack): Declare.
1766         * config/generic/tls.cc: New file.
1767         * Makefile.am (libitm_la_SOURCES): Add it.
1768         (AM_CXXFLAGS): Turn off exceptions.
1769         * Makefile.in: Rebuild.
1770
1771 2010-06-16  Richard Henderson  <rth@redhat.com>
1772
1773         * alloc.cc (struct gtm_alloc_action): Move definition ...
1774         * libitm_i.h: ... here.
1775         (class gtm_transaction): Declare new and delete.
1776         * beginend.cc (alloc_tx): Reformulate as operator new.
1777         (free_tx): Reformulate as operator delete.
1778         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1779
1780 2010-06-11  Richard Henderson  <rth@redhat.com>
1781
1782         * clone.cc (clone_entry_compare): Fix typo.
1783         From Patrik Marlier <patrick.marlier@unine.ch>.
1784
1785 2010-05-13  Richard Henderson  <rth@redhat.com>
1786
1787         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1788         in extern "C".
1789
1790 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1791
1792         * libitm_i.h (struct gtm_transaction): Remove
1793         get_allocation_size.
1794         (record_allocation): Remove size parameter.
1795         * libitm.map (_ITM_realloc): Remove.
1796         * alloc_c.cc (_ITM_realloc): Remove.
1797         (_ITM_malloc): Remove size argument to record_allocation.
1798         (_ITM_calloc): Same.
1799         * alloc_cpp.cc (_ZGTtnwm): Same.
1800         (_ZGTtnwmRKSt9nothrow_t): Same.
1801         (_ZGTtnam): Same.
1802         (_ZGTtnamRKSt9nothrow_t): Same.
1803         * alloc.cc (struct gtm_alloc_action): Remove size.
1804         (get_allocation_size): Remove.
1805         (commit_allocations): Add comment.
1806         (record_allocation): Remove size parameter.
1807         (forget_allocation): Remove set of size.
1808
1809 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1810
1811         * Makefile.am (abi_version): New.
1812         (AM_CXXFLAGS): Pass abi_version.
1813         * Makefile.in: Regenerate.
1814         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1815
1816 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1817
1818         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1819         _ITM_getTMCloneOrIrrevokable.
1820         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1821         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1822
1823 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1824
1825         * configure.ac: Remove Linux futex support.
1826         * configure.tgt (config_path): Same.
1827         * Makefile.am: Same.
1828         * config/linux: Remove entire directory.
1829         * configure: Rebuild.
1830         * Makefile.in: Rebuild.
1831         * testsuite/Makefile.in: Rebuild.
1832
1833 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1834
1835         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1836         switching to serial mode.
1837         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1838
1839 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1840
1841         * configure.tgt: Add emacs -*- tags.
1842         * barrier.tpl: Same.
1843
1844 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1845
1846         * Makefile.am: Rename serial.cc to method-serial.cc.
1847         * Makefile.in: Regenerate with automake 1.11.1.
1848         * testsuite/Makefile.in: Same.
1849         * aclocal.m4: Regenerate with aclocal 1.11.1.
1850         * method-serial.cc: Rename from serial.cc.
1851         * libitm_i.h (struct gtm_transaction): Update comment on
1852         serialirr_mode.
1853
1854 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1855
1856         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1857         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1858
1859 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1860
1861         * configure: Rebuild.
1862
1863 2009-11-12  Richard Henderson  <rth@redhat.com>
1864
1865         * Rewrite everything in C++.
1866
1867 2009-11-03  Richard Henderson  <rth@redhat.com>
1868
1869         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1870         * Makefile.am (libitm_la_SOURCES): Add them.
1871         * configure.ac (ARCH_X86): New conditional.
1872         * Makefile.in, configure: Rebuild.
1873         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1874         Move futex setup into "other system configury" case.
1875         * local.c (rollback_local): Merge into ...
1876         (GTM_rollback_local): ... here.
1877         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1878         (_ITM_LB): Define as an alias to GTM_LB.
1879
1880 2009-11-03  Richard Henderson  <rth@redhat.com>
1881
1882         * method-readonly.c: New file.
1883         * Makefile.am (libitm_la_SOURCES): Add it.
1884         * Makefile.in: Rebuild.
1885         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1886         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1887         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1888         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1889         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1890         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1891         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1892         gtm_get_clock, gtm_inc_clock): New.
1893         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1894         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1895         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1896         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1897         replace uses with new libitm_i.h symbols.
1898         (dispatch_wbetl): Rename from wbetl_dispatch.
1899         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1900         away from dispatch_readonly; abort if the beginTransaction call
1901         asserted that the transaction was readonly.
1902
1903 2009-11-03  Richard Henderson  <rth@redhat.com>
1904
1905         * memset.c: New file.
1906         * Makefile.am (libitm_la_SOURCES): Add it.
1907         * Makefile.in: Rebuild.
1908         * testsuite/libitm.c/memset-1.c: New.
1909
1910 2009-11-03  Richard Henderson  <rth@redhat.com>
1911
1912         * dispatch.c: Remove file.
1913         * useraction.c (struct gtm_user_action): Move from libitm.h.
1914         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1915         (serial_memset, serial_memmove, serial_memcpy): Remove.
1916         (serial_W*, serial_R*): Remove.
1917         (serial_dispatch): Update to match.
1918         * configure.ac: Move Werror down below configure checks.  Don't
1919         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1920         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1921         Use GCC_AC_FUNC_MMAP_BLACKLIST
1922         * libitm.h: Split out all internal items to...
1923         * libitm_i.h: ... here.  New file.
1924         * copymask.c: New file.
1925         * local.c (struct gtm_local_undo): Move from libitm.h.
1926         (GTM_alloc_local): Rename from alloc_local; export.
1927         * memcpy.c: New file.
1928         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1929         * config/posix/page.c: New file.
1930         * config/posix/target_tls.h: Remove file.
1931         * barrier.c: New file.
1932         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1933         copymask.c, page.c.
1934         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1935         * method-wbetl.c: Rewrite for new cacheline methods.
1936         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1937
1938         * config/alpha/sjlj.S: Fix typo.
1939         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1940         * config/alpha/copymask.c: New file.
1941         * config/alpha/target.h (CACHELINE_SIZE): New.
1942         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1943
1944         * config/x86/target_i.h: Copy functions from x86/target.h.
1945         * config/x86/copymask.c: New file.
1946         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1947         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1948         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1949         * config/x86/target_tls.h: Move contents to target_i.h.
1950
1951         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1952         * testsuite/libitm.c/memcpy-1.c: New.
1953
1954 2009-10-22  Richard Henderson  <rth@redhat.com>
1955
1956         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1957         (AM_CCASFLAGS): New.
1958         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1959         saving/restoring _AC_ARG_VAR_PRECIOUS.
1960         * Makefile.in, aclocal.m4, config.h.in, configure,
1961         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1962
1963 2009-10-22  Richard Henderson  <rth@redhat.com>
1964
1965         * testsuite/*: Update for new compiler syntax.
1966
1967 2009-10-21  Richard Henderson  <rth@redhat.com>
1968
1969         * libitm.h (_ITM_abortReason): Add outerAbort.
1970
1971 2009-08-03  Richard Henderson  <rth@redhat.com>
1972
1973         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1974         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1975         * method-wbetl.c (struct w_entry): Remove mask.
1976         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1977         adjust all callers.
1978
1979 2009-07-22  Richard Henderson  <rth@redhat.com>
1980
1981         * eh_cpp.c: New file.
1982         * Makefile.am (libitm_la_SOURCES): Add it.
1983         * Makefile.in: Rebuild.
1984         * beginend.c (GTM_rollback_transaction): Undo exception state.
1985         (GTM_trycommit_transaction): Mark inline.
1986         (GTM_trycommit_and_finalize_transaction): Split out from ...
1987         (_ITM_commitTransaction): ... here.
1988         (_ITM_commitTransactionEH): New function.
1989         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1990         cxa_unthrown, eh_in_flight; reorder.
1991
1992         * testsuite/libitm.c++/c++.exp: New.
1993         * testsuite/libitm.c++/eh-1.C: New.
1994
1995         * aatree.c (aa_free): Remove REGPARM.
1996         * aatree.h: Remove all REGPARM.
1997
1998 2009-07-18  Richard Henderson  <rth@redhat.com>
1999
2000         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2001         * Makefile.am (libitm_la_SOURCES): Add them.
2002         * Makefile.in: Rebuild.
2003         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2004         (GTM_trycommit_transaction): Likewise.
2005         * libitm.h: Include aatree.h
2006         (struct gtm_alloc_action): New.
2007         (struct gtm_transaction): Add alloc_actions.
2008         (GTM_record_allocation, GTM_forget_allocation): Declare.
2009         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2010         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2011         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2012         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2013         _ZGTtdaPvRKSt9nothrow_t): Export.
2014
2015 2009-07-18  Richard Henderson  <rth@redhat.com>
2016
2017         * target_tls.h: Move ...
2018         * config/posix/target_tls.h: ... here.
2019
2020 2009-07-07  Richard Henderson  <rth@redhat.com>
2021
2022         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2023
2024 2009-07-07  Richard Henderson  <rth@redhat.com>
2025
2026         * Update to GPL3.
2027
2028 2009-07-07  Richard Henderson  <rth@redhat.com>
2029
2030         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2031         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2032
2033         * configure.tgt: Don't use -ftls-model for x86 linux.
2034         * libitm.h: Include target.h after standard includes.
2035         (_gtm_thr): Rename from gtm_thr.
2036         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2037         (gtm_disp, set_gtm_disp): New.
2038         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2039         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2040         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2041
2042 2009-07-07  Richard Henderson  <rth@redhat.com>
2043
2044         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2045
2046 2009-07-06  Richard Henderson  <rth@redhat.com>
2047
2048         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2049         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2050         (_ITM_beginTransaction): Take variadic arguments.
2051         (_ITM_registerThrownObject): Declare.
2052         * beginend.c, serial.c: Update.
2053         * libitm.map: Add _ITM_registerThrownObject.
2054
2055 2009-01-28  Richard Henderson  <rth@redhat.com>
2056
2057         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2058         * Makefile.in: Rebuild.
2059         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2060         (GTM_restart_transaction): Fix uninstrumented code check.
2061         * retry.c (GTM_decide_retry_strategy): Add serial check.
2062         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2063         automatically go irrevokable when in serial mode.
2064         * clone.c: New file.
2065         * libitm.h, libitm.map: Update.
2066
2067 2009-01-27  Richard Henderson  <rth@redhat.com>
2068
2069         * Makefile.am (LTCCASCOMPILE): Define.
2070         (libitm_la_SOURCES): Add methid-wbetl.c.
2071         * testsuite/Makefile.am: New
2072         * configure.ac: Add testsuite/Makefile.
2073         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2074         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2075         (_ITM_abortTransaction): Finalize implementation method; pass
2076         transaction properties to longjmp.
2077         (GTM_restart_transaction): Split out from ...
2078         (_ITM_commitTransaction): ... here.
2079         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2080         Move to config/x86/target.h.
2081         * config/linux/alpha/futex_bits.h: New.
2082         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2083         * config/x86/target.h: Disable target types for 32-bit.
2084         * config/alpha/sjlj.S, config/alpha/target.h: New.
2085         * libitm.h (struct gtm_dispatch): Add init, fini.
2086         (enum restart_reason): New.
2087         (struct gtm_transaction): Add method and restarts.
2088         * retry.c (GTM_decide_retry_strategy): Implement.
2089         * serial.c (serial_init, serial_fini): New.
2090         (GTM_serialmode): Finialize outgoing method.
2091         * method-wbetl.c: New.
2092
2093 2008-12-09  Richard Henderson  <rth@redhat.com>
2094
2095         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2096         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2097         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2098         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2099         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2100         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2101         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2102         * serial.c (serial_R##T, serial_W##T): Likewise.
2103
2104 2008-11-21  Richard Henderson  <rth@redhat.com>
2105
2106         * Initial commit.
2107 \f
2108 Copyright (C) 2008-2018 Free Software Foundation, Inc.
2109
2110 Copying and distribution of this file, with or without modification,
2111 are permitted in any medium without royalty provided the copyright
2112 notice and this notice are preserved.