libitm/ChangeLog

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