libitm/ChangeLog

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