libitm/ChangeLog

   1 2018-01-25  Release Manager
   2
   3         * GCC 7.3.0 released.
   4
   5 2017-08-14  Release Manager
   6
   7         * GCC 7.2.0 released.
   8
   9 2017-05-02  Release Manager
  10
  11         * GCC 7.1.0 released.
  12
  13 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
  14
  15         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
  16
  17 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
  18
  19         PR other/79046
  20         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
  21         of cat to get version from BASE-VER file.
  22         * testsuite/Makefile.in: Regenerated.
  23
  24 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
  25
  26         * config/x86/target.h (htm_available): Determine vendor from
  27         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
  28
  29 2017-01-18  Torvald Riegel  <triegel@redhat.com>
  30
  31         * config/x86/target.h (htm_available): Add check for some processors
  32         on which TSX is broken.
  33
  34 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
  35
  36         PR other/79046
  37         * configure.ac: Add GCC_BASE_VER.
  38         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
  39         get version from BASE-VER file.
  40         * testsuite/Makefile.in: Regenerated.
  41         * configure: Regenerated.
  42         * Makefile.in: Regenerated.
  43
  44 2017-01-04  Alan Modra  <amodra@gmail.com>
  45
  46         * Makefile.in: Regenerate.
  47         * testsuite/Makefile.in: Regenerate.
  48
  49 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
  50
  51         Update copyright years.
  52
  53         * libitm.texi: Bump @copying's copyright year.
  54
  55 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  56
  57         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
  58         * aclocal.m4: Regenerate.
  59         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
  60         LIBITM_CHECK_LINKER_HWCAP.
  61
  62 2016-11-15  Matthias Klose  <doko@ubuntu.com>
  63
  64         * configure: Regenerate.
  65
  66 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
  67
  68         PR libitm/70456
  69         * util.cc (xmalloc): Use posix_memalign to allocate memory on
  70         on cache line if requested.
  71
  72 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
  73
  74         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
  75         function attribute to disable floating point in begin_transaction() on
  76         S/390.
  77         * beginend.cc (begin_transaction): Use
  78         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
  79
  80 2016-01-22  Torvald Riegel  <triegel@redhat.com>
  81
  82         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
  83         boundary.
  84         (htm_fastpath): Remove.
  85         (gtm_thread::begin_transaction): Fix HTM fastpath.
  86         (_ITM_commitTransaction): Adapt.
  87         (_ITM_commitTransactionEH): Adapt.
  88         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
  89         and accessors.
  90         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
  91         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
  92         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
  93         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
  94         * libitm/method-serial.cc (htm_mg): Adapt.
  95         (gtm_thread::serialirr_mode): Adapt.
  96         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
  97
  98 2016-01-21  Torvald Riegel  <triegel@redhat.com>
  99
 100         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 101         or AIX.
 102
 103 2016-01-19  Richard Henderson  <rth@redhat.com>
 104
 105         PR bootstrap/69343
 106         PR bootstrap/69339
 107         Revert:
 108         2016-01-13  Richard Henderson  <rth@redhat.com>
 109
 110         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 111         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 112         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 113         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 114         * configure.ac (ARCH_AARCH64): New conditional.
 115         (ARCH_PPC, ARCH_S390): Likewise.
 116         * Makefile.in, configure: Rebuild.
 117
 118         * libitm.h (_ITM_TYPE_M128): Always define.
 119         * vect64.cc: Split ...
 120         * vect128.cc: ... out of...
 121         * config/x86/x86_sse.cc: ... here.
 122         * config/arm/neon.cc: New file.
 123
 124 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 125
 126         * local_type_traits: Remove file.
 127         * libitm_i.h: Don't include it anymore.
 128         (sized_integral): Remove.
 129
 130 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 131
 132         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 133         safety.
 134         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 135         * libitm/testsuite/libitm.c/priv-1.c: New.
 136
 137 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 138
 139         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 140
 141 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 142
 143         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 144         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 145         (gtm_rwlock::write_unlock): Likewise.
 146
 147 2016-01-13  Richard Henderson  <rth@redhat.com>
 148
 149         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 150         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 151         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 152         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 153         * configure.ac (ARCH_AARCH64): New conditional.
 154         (ARCH_PPC, ARCH_S390): Likewise.
 155         * Makefile.in, configure: Rebuild.
 156
 157         * libitm.h (_ITM_TYPE_M128): Always define.
 158         * vect64.cc: Split ...
 159         * vect128.cc: ... out of...
 160         * config/x86/x86_sse.cc: ... here.
 161         * config/arm/neon.cc: New file.
 162
 163 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 164
 165         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 166         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 167         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 168         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 169         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 170         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 171         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 172         (serialirr_dispatch::snapshot_most_recent): New.
 173         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 174
 175 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 176
 177         * libitm_i.h (gtm_mask_stack): Remove.
 178         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 179         * stmlock.h: Remove file.
 180         * config/alpha/cacheline.h: Likewise.
 181         * config/generic/cacheline.h: Likewise.
 182         * config/powerpc/cacheline.h: Likewise.
 183         * config/sparc/cacheline.h: Likewise.
 184         * config/x86/cacheline.h: Likewise.
 185
 186 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 187
 188         Update copyright years.
 189
 190         * libitm.texi: Bump @copying's copyright year.
 191
 192 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 193
 194         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 195         (ml_wt_dispatch::pre_write): Adapt.
 196         (ml_wt_dispatch::pre_load): Likewise.
 197
 198 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 199
 200         * libitm_i.h (gtm_alloc_action): Remove union.
 201         * testsuite/libitm.c/alloc-1.c: New.
 202
 203 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 204
 205         * testsuite/libitm.c++/eh-5.C: New.
 206         * libitm.h (_ITM_cxa_free_exception): New.
 207         * libitm.map (_ITM_cxa_free_exception): Add it.
 208         * libitm.texi: Update ABI docs.
 209         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 210         (gtm_transaction_cp::cxa_uncaught_count): Add.
 211         (gtm_thread::cxa_unthrown): Remove.
 212         (gtm_thread::cxa_uncaught_count_ptr): Add.
 213         (gtm_thread::cxa_uncaught_count): Add.
 214         (gtm_thread::drop_references_allocations): Rename to...
 215         (gtm_thread::discard_allocation): ... this and adapt.
 216         (gtm_thread::init_cpp_exceptions): New.
 217         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 218         (gtm_thread::begin_transaction): Likewise.
 219         (gtm_transaction_cp::save): Likewise.
 220         (gtm_thread::trycommit): Likewise.
 221         * eh_cpp.cc: Add overview comments.
 222         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 223         (free_any_exception, _ITM_cxa_free_exception): New.
 224         (gtm_thread::init_cpp_exceptions): Define.
 225         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 226         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 227         (gtm_thread::revert_cpp_exceptions): Likewise.
 228
 229 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 230
 231         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 232         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 233         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 234         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 235         (gtm_thread::forget_allocations): New overload with size_t argument.
 236         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 237         adapt existing one.
 238         (gtm_thread::record_allocation): Adapt.
 239         (gtm_thread::commit_allocations_1): Adapt.
 240         (gtm_thread::commit_allocations_2): Adapt.
 241         * testsuite/libitm.c++/newdelete.C: New.
 242
 243 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 244             Joseph Myers  <joseph@codesourcery.com>
 245             Mark Shinwell  <shinwell@codesourcery.com>
 246             Andrew Stubbs  <ams@codesourcery.com>
 247             Rich Felker <dalias@libc.org>
 248
 249         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 250         GTM_begin_transaction for compatibility with FDPIC.
 251
 252 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 253
 254         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 255         using load_gcc_lib.
 256
 257 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 258
 259         PR libitm/61164
 260         * local_atomic (__always_inline): Rename to...
 261         (__libitm_always_inline): ... this.
 262
 263 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 264
 265         PR target/52482
 266         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 267
 268 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 269
 270         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 271         operands "op" and "val" to int.
 272
 273 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 274
 275         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 276         "op" and "val" to int.
 277
 278 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 279
 280         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 281         "op" and "val" to int.
 282
 283 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 284
 285         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 286         Declare as static int.
 287         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 288         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 289
 290 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 291
 292         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 293         sys_futex0 function.
 294
 295 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 296
 297         * Makefile.in: Regenerated with automake-1.11.6.
 298         * aclocal.m4: Likewise.
 299         * configure: Likewise.
 300         * testsuite/Makefile.in: Likewise.
 301
 302 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 303
 304         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 305         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 306
 307 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 308
 309         PR libitm/64360
 310         * libitm.c/stackundo.c (test2): Make it static.
 311         (test1): Likewise.
 312
 313 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 314
 315         Update copyright years.
 316
 317 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 318
 319         * libitm.texi: Bump @copying's copyright year.
 320
 321 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 322
 323         * testsuite/lib/libitm.exp: Load target-utils.exp.
 324         Move load of target-supports.exp earlier.
 325
 326 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 327
 328         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 329
 330 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 331
 332         PR bootstrap/63784
 333         * configure: Regenerated.
 334
 335 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 336
 337         PR target/63610
 338         * configure: Regenerate.
 339
 340 2014-10-06  Marek Polacek  <polacek@redhat.com>
 341
 342         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 343         * testsuite/libitm.c/memset-1.c: Likewise.
 344
 345 2014-07-24  Richard Henderson  <rth@redhat.com>
 346
 347         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 348         addressing mode in epilogue.
 349
 350 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 351
 352         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 353         -mclear-hwcap instead.
 354         * configure: Regenerate.
 355         * clearcap.map: Remove.
 356
 357 2014-05-21  John Marino  <gnugcc@marino.st>
 358
 359         * configure.tgt (*-*-dragonfly*): New target.
 360
 361 2014-05-19  Richard Henderson  <rth@redhat.com>
 362
 363         * config/aarch64/sjlj.S: New file.
 364         * config/aarch64/target.h: New file.
 365         * configure.tgt: Enable aarch64.
 366
 367 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 368
 369         * config/generic/asmcfi.h: Also check for
 370         __GCC_HAVE_DWARF2_CFI_ASM.
 371
 372 2013-04-02  Richard Henderson  <rth@redhat.com>
 373
 374         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 375         * config/arm/target.h, config/sh/target.h: Likewise.
 376         * config/sparc/target.h, config/x86/target.h: Likewise.
 377
 378 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 379
 380         * config/linux/futex_bits.h: Include errno.h.
 381         (sys_futex0): If syscall returns -1, return -errno rather than
 382         -1.
 383
 384 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 385
 386         * libitm.texi (Index): Rename to Library Index.
 387
 388 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 389
 390         PR libitm/53113
 391         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 392         (x86_avx.lo): Append -mavx to CXXFLAGS.
 393         * Makefile.in: Regenerate.
 394
 395 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 396
 397         Update copyright years
 398
 399 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 400
 401         * libitm.texi: Bump @copying's copyright year.
 402
 403 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 404
 405         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 406         (FUNC): Define ELFv2 variant.
 407         (END): Likewise.
 408         (HIDDEN): Likewise.
 409         (CALL): Likewise.
 410         (BASE): Likewise.
 411         (LR_SAVE): Likewise.
 412
 413 2013-09-20  Alan Modra  <amodra@gmail.com>
 414
 415         * configure: Regenerate.
 416
 417 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 418
 419         * config/posix/rwlock.cc: Fix initialization order.
 420
 421 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 422
 423         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 424         (htm_fastpath): Assign an asm name.
 425         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 426         HTM fast paths.
 427         (_ITM_actions): Likewise.
 428         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 429         x86_64.
 430         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 431         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 432         field to the start of the structure.
 433         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 434         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 435         handling for custom HTM fast paths.
 436
 437 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 438         Revert:
 439         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 440
 441         * configure.tgt: Add -msoft-float to XCFLAGS.
 442
 443 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 444
 445         * configure.tgt: Add -msoft-float to XCFLAGS.
 446
 447 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 448
 449         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 450         (htm_transaction_active): Enable zEC12 instructions in the
 451         assembler.
 452         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 453
 454 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 455
 456         * acinclude.m4: Add htm asm check for s390.
 457         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 458         * configure: Regenerate.
 459         * config/s390/target.h: Remove __HTM__ check.
 460         (htm_available): Call getauxval to get hwcaps and check whether
 461         HTM is available or not.
 462
 463 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 464
 465         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 466         * configure.ac: Use it.
 467         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 468         (AC_CHECK_FUNCS): Check for getauxval.
 469         * config.h.in, configure: Rebuild.
 470         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 471         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 472         (USE_HTM_FASTPATH): Define.
 473         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 474         _HTM_RETRIES) New macros.
 475         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 476         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 477
 478 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 479
 480         * config/s390/target.h: Include htmintrin.h.
 481         (_HTM_ITM_RETRIES): New macro definition.
 482         (htm_available, htm_init, htm_begin, htm_begin_success)
 483         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 484
 485 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 486             Cesar Philippidis  <cesar@codesourcery.com>
 487
 488         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 489         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 490         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 491         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 492
 493 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 494
 495         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 496         (_ITM_getTransactionId): Same.
 497         * config/x86/target.h (htm_transaction_active): New.
 498
 499 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 500
 501         PR libitm/57643
 502         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 503         the HTM fastpath.
 504
 505 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 506
 507         PR bootstrap/56714
 508         * local_atomic (__always_inline): Always define our version.
 509         (__calculate_memory_order): Mark inline.
 510         (atomic_thread_fence): Ditto.
 511         (atomic_signal_fence): Ditto.
 512         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 513         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 514         (atomic_bool::atomic_flag_test_and_set): Ditto.
 515         (atomic_bool::atomic_flag_clear): Ditto.
 516
 517 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 518
 519         * config/s390/sjlj.S: New file.
 520         * config/s390/target.h: New file.
 521         * configure.tgt: Set options for S/390.
 522
 523 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 524
 525         * local_atomic (__always_inline): Add.
 526         (__calculate_memory_order, atomic_thread_fence,
 527          atomic_signal_fence, test_and_set, clear, store, load,
 528          exchange, compare_exchange_weak, compare_exchange_strong,
 529          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 530         Add __always_inline to force inlining.
 531
 532 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 533             Jack Howarth  <howarth@bromo.med.uc.edu>
 534             Patrick Marlier  <patrick.marlier@gmail.com>
 535
 536         PR libitm/55693
 537         * alloc_cpp.cc: Enable function declarations on darwin.
 538         * eh_cpp.cc: Likewise.
 539
 540 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 541
 542         Update copyright years.
 543
 544 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 545
 546         * beginend.cc (htm_fastpath): New.
 547         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 548         _ITM_commitTransactionEH): Add HTM fastpath handling.
 549         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 550         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 551         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 552         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 553         * configure.tgt: Add -mrtm to XCFLAGS.
 554         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 555         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 556         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 557         * retry.cc (parse_default_method): Add HTM method parsing.
 558         (gtm_thread::number_of_threads_changed): Use HTM by default if
 559         available.
 560
 561 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 562
 563         * configure: Regenerate.
 564
 565 2012-10-31  Richard Henderson  <rth@redhat.com>
 566
 567         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 568         * configure.ac: Use it.
 569         * config.h.in, configure: Rebuild.
 570         * testsuite/Makefile.in: Rebuild.
 571
 572 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 573
 574         * libitm.texi: Clarify ABI requirements for data-logging functions.
 575
 576 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 577
 578         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 579         it requires serial mode instead of assuming that for certain
 580         dispatchs.
 581         * dispatch.h (abi_dispatch::requires_serial): New.
 582         (abi_dispatch::abi_dispatch): Adapt.
 583         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 584         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 585         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 586         serial_dispatch::serial_dispatch,
 587         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 588
 589 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 590
 591         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 592         and ia32 declarations some more.
 593         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 594
 595 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 596
 597         PR other/43620
 598         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 599         * configure: Regenerate.
 600         * Makefile.in: Regenerate.
 601
 602 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 603
 604         * configure: Regenerated.
 605
 606 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 607
 608         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 609
 610 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 611
 612         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 613
 614 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 615
 616         * configure: Regenerated.
 617
 618 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         PR libitm/52854
 621         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 622         for x86-64.
 623
 624 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 625
 626         * configure: Regenerate.
 627
 628 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 629
 630         PR bootstrap/52812
 631         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 632
 633 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 634
 635         * testsuite/lib/libitm.exp: load fortran-modules.exp
 636
 637 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 638
 639         * configure.tgt (*-*-irix6*): Remove.
 640
 641 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 642
 643         PR libitm/52526
 644         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 645         wake-up.
 646
 647 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 648
 649         * configure.tgt (*-*-osf*): Remove.
 650         * configure: Regenerate.
 651
 652 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 653
 654         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 655         memtransfer/memset if size isn't larger than zero.
 656
 657 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 658
 659         * libitm.texi: Link to specification and add a usage example.
 660
 661 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 662
 663         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 664         default dispatch for more than 1 thread to ml_wt.
 665
 666 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 667
 668         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 669
 670 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 671
 672         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 673
 674 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 675
 676         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 677         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 678         (gl_wt_dispatch.rollback): Same.
 679
 680 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 681
 682         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 683
 684 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 685
 686         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 687         for RfW src.  Optimize number of calls to gtm_thr.
 688
 689 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 690
 691         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 692         acquisition to ...
 693         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 694         (default_dispatch): Make atomic.
 695         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 696         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 697         use decide_begin_dispatch() if default_dispatch might have changed.
 698         (GTM::gtm_thread::number_of_threads_changed): Initialize
 699         default_dispatch here.
 700
 701 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 702             Patrick Marlier  <patrick.marlier@gmail.com>
 703
 704         PR libitm/52220
 705         * alloc_cpp.cc: No dummy definitions for darwin.
 706         * eh_cpp.cc: Likewise.
 707
 708 2012-02-14  Richard Henderson  <rth@redhat.com>
 709
 710         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 711
 712 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 713
 714         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 715
 716 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 717
 718         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 719         (GTM::gtm_thread): Add read and write logs.
 720         (GTM::dispatch_ml_wt): Declare.
 721         * retry.cc (parse_default_method): Support ml_wt.
 722         * method-ml.cc: New file.
 723         * Makefile.am: Add method-ml.cc.
 724         * Makefile.in: Regenerate.
 725
 726 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 727
 728         * dispatch.h (GTM::abi_dispatch::supports): New.
 729         (GTM::method_group::reinit): New.
 730         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 731         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 732         supports the current situation.
 733
 734 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 735
 736         * util.cc (GTM::xcalloc): New.
 737         * common.h (GTM::xcalloc): Declare.
 738
 739 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 740
 741         * config/sparc/target.h (cpu_relax): Read from CC register.
 742         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 743
 744 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 745
 746         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 747
 748 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 749
 750         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 751         * config/sparc/cacheline.h: New file.
 752         * config/sparc/target.h: Likewise.
 753         * config/sparc/sjlj.S: Likewise.
 754         * config/linux/sparc/futex_bits.h: Likewise.
 755
 756 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 757
 758         * configure.ac (link_itm): Fix comment.
 759         * configure: Regenerate.
 760         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 761
 762 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 763
 764         PR libitm/51822
 765         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 766         Correct libgomp references.
 767
 768 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 769
 770         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 771         wake-up.
 772
 773 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 774
 775         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 776         end of structure.
 777         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 778         offset values.  Do not copy return address.  Decrement stack
 779         by 56 bytes only.
 780         (GTM_longjump) [__x86_64__]: Update offset values.
 781
 782 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 783
 784         PR libitm/51830
 785         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 786         the first function argument to %eax.
 787
 788 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 789
 790         * libitm.h (_ITM_getThreadnum): Remove.
 791         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 792
 793 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 794
 795         * clearcap.map: New file.
 796         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 797         * configure.ac: Call it.
 798         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 799         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 800         * configure: Regenerate.
 801         * Makefile.in: Regenerate.
 802         * testsuite/Makefile.in: Regenerate.
 803
 804 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 805
 806         PR libitm/51173
 807         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 808         include, exclude options.
 809
 810 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 811
 812         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 813         rolling back.
 814         * containers.h (GTM::vector::set_size): New.
 815
 816 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 817
 818         PR libitm/51855
 819         * config/generic/tls.h (GTM::mask_stack_top): New.
 820         (GTM::mask_stack_bottom): Declare.
 821         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 822         * local.cc (gtm_undolog::rollback): Filter out any updates that
 823         overlap the libitm stack.  Add current transaction as parameter.
 824         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 825         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 826         * testsuite/libitm.c/stackundo.c: New test.
 827
 828 2012-01-10  Richard Henderson  <rth@redhat.com>
 829
 830         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 831         * eh_cpp.cc (_Unwind_DeleteException): Define for
 832         !HAVE_ELF_STYLE_WEAKREF.
 833
 834 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 835
 836         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 837         (GTM::gtm_thread::drop_references_undolog): Remove.
 838         (GTM::gtm_thread::commit_undolog,
 839         GTM::gtm_thread::rollback_undolog): Move to ...
 840         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 841         (GTM::gtm_undolog_entry): Remove.
 842         (GTM::gtm_thread): Adapt.
 843         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 844         (GTM::gtm_thread::trycommit): Adapt.
 845         * method-serial.cc (serial_dispatch::log): Adapt.
 846         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 847         (gl_wt_dispatch::store): Fix likely/unlikely.
 848         * containers.h (GTM::vector::resize): Add additional_capacity
 849         parameter and handle it.
 850         (GTM::vector::resize_noinline): New/adapt.
 851         (GTM::vector::push): New.
 852
 853 2012-01-06  Richard Henderson  <rth@redhat.com>
 854
 855         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 856         * config/linux/powerpc/futex_bits.h: New file.
 857         * config/powerpc/cacheline.h: New file.
 858         * config/powerpc/sjlj.S: New file.
 859         * config/powerpc/target.h: New file.
 860         * config/generic/asmcfi.h (cfi_offset): New.
 861         (cfi_restore, cfi_undefined): New.
 862
 863 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 864
 865         PR other/51171
 866         * testsuite/libitm.c/reentrant.c: Remove xfail.
 867         (thread): Pass x to pure().
 868         From Patrik Marlier <patrick.marlier@gmail.com>.
 869
 870 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 871
 872         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 873         privatization safety if already in serial mode.
 874
 875 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 876
 877         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 878         finish_serial_upgrade parameter.
 879         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 880         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 881         Don't unset reader flag.
 882         (GTM::gtm_rwlock::write_upgrade_finish): New.
 883         * config/posix/rwlock.cc: Same.
 884         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 885         Declare.
 886         * config/posix/rwlock.h: Same.
 887         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 888         flag after commit or after rollback when restarting.
 889
 890 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 891
 892         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 893         (GTM::gtm_thread::try_commit): Changed memory order.
 894         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 895         as parameter.
 896         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 897         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 898         * config/linux/futex_bits.h (sys_futex0): Same.
 899         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 900         * config/linux/futex.h (futex_wait, futex_wake): Same.
 901         * config/linux/rwlock.h (gtm_rwlock::writers,
 902         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 903         ints.
 904         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 905         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 906         gtm_rwlock::write_unlock): Fix memory orders and fences.
 907         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 908         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 909         gtm_rwlock::write_unlock): Same.
 910         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 911         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 912         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 913         Add comments.
 914         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 915         gl_wt_dispatch::load, gl_wt_dispatch::store,
 916         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 917         orders and fences.  Add comments.
 918
 919 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 920
 921         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 922         * Makefile.in: Regenerated.
 923
 924 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 925
 926         * configure.tgt: Add sh* case.
 927         * config/sh/target.h: New file.
 928         * config/sh/sjlj.S: New file.
 929         * config/linux/sh/futex_bits.h: New file.
 930
 931 2011-12-14  Richard Henderson  <rth@redhat.com>
 932
 933         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 934         * config/arm/sjlj.S, config/arm/target.h: New files.
 935         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 936         (cfi_rel_offset): New.
 937         * config/linux/futex_bits.h: New file.
 938         * config/linux/futex.cc: Include futex_bits.h here...
 939         * config/linux/futex.h: ... not here.
 940         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 941         * configure.ac (ARCH_AM): New conditional.
 942         * Makefile.in, configure: Rebuild.
 943         * configure.tgt: Handle ARM.
 944
 945 2011-12-13  Richard Henderson  <rth@redhat.com>
 946
 947         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 948         signed/unsigned comparison werror.
 949
 950         * local_atomic: New file.
 951         * libitm_i.h: Include it.
 952         (gtm_thread::shared_state): Use atomic template.
 953         * beginend.cc (GTM::gtm_clock): Use atomic template.
 954         (global_tid): Use atomic template if 64-bit atomics available.
 955         (gtm_thread::gtm_thread): Update shared_state access.
 956         (gtm_thread::trycommit): Likewise.
 957         (choose_code_path): Update global_tid access.
 958         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 959         * stmlock.h (GTM::gtm_clock): Use atomic template.
 960         (gtm_get_clock, gtm_inc_clock): Update accesses.
 961         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 962         redundant __sync_synchronize after atomic shared_state access.
 963         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 964         (gtm_rwlock::write_lock_generic): Likewise.
 965         (gtm_rwlock::read_unlock): Likewise.
 966         * config/alpha/target.h (atomic_read_barrier): Remove.
 967         (atomic_write_barrier): Remove.
 968         * config/x86/target.h (atomic_read_barrier): Remove.
 969         (atomic_write_barrier): Remove.
 970
 971 2011-11-30  Richard Henderson  <rth@redhat.com>
 972
 973         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 974         * beginend.c (_ITM_abortTransaction): Update to match.
 975         (GTM::gtm_thread::restart): Likewise.
 976         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 977         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 978
 979 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 980
 981         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 982         * Makefile.in: Regenerate.
 983
 984 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 985
 986         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 987         * alloc_cpp.cc: Generate dummy functions if we don't
 988         HAVE_ELF_STYLE_WEAKREF.
 989         * eh_cpp.cc: Likewise.
 990         * configure: Regenerate.
 991         * aclocal.m4:  Likewise.
 992         * config.h.in: Likewise.
 993         * Makefile.in: Likewise.
 994         * testsuite/Makefile.in: Likewise.
 995
 996 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 997
 998         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 999         __USER_LABEL_PREFIX__ for targets that use it.
1000         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1001         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1002         in portability to non-elf targets.
1003         (GTM_longjmp): Likewise.
1004         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1005         where required.
1006
1007 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1008
1009         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1010         * testsuite/libitm.c/memset-1.c: Likewise.
1011
1012 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1013
1014         * configure: Regenerate.
1015
1016 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1017
1018         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1019         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1020         * Makefile.am: Handle sun style versioning.
1021         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1022         * configure: Regenerate.
1023         * Makefile.in: Regenerate.
1024
1025 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1026
1027         * config/generic/asmcfi.h: Fix comment.
1028         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1029         sequence without .hidden support, error for non-ELF targets.
1030         (GTM_longjmp) [__ELF__]: Only use .hidden if
1031         HAVE_ATTRIBUTE_VISIBILITY.
1032
1033 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1034
1035         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1036         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1037         Dummy functions.
1038         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1039         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1040
1041 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         PR bootstrap/51098
1044         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1045         * configure: Regenerate.
1046
1047 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1048
1049         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1050
1051 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1052
1053         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1054         .hidden.
1055         (.note.GNU-stack): Only use if __linux__.
1056         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1057         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1058         * testsuite/libitm.c/reentrant.c: Likewise.
1059         * testsuite/libitm.c/simple-2.c: Likewise.
1060         * testsuite/libitm.c/txrelease.c: Likewise.
1061         * testsuite/libitm.c++/static_ctor.C: Likewise.
1062
1063 2011-11-10  Richard Henderson  <rth@redhat.com>
1064
1065         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1066         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1067         * configure.ac (ARCH_X86_AVX): New conditional.
1068         * Makefile.in, configure: Rebuild.
1069
1070 2011-11-09  Richard Henderson  <rth@redhat.com>
1071
1072         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1073         * configure.ac: Use it.
1074         * config.h.in, configure: Rebuild.
1075         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1076
1077 2011-11-09  Richard Henderson  <rth@redhat.com>
1078
1079         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1080         * config/alpha/unaligned.h: Remove file.
1081         * config/generic/unaligned.h: Remove file.
1082         * config/x86/unaligned.h: Remove file.
1083         * config/generic/cachepage.h: Remove file.
1084         * config/posix/cachepage.cc: Remove file.
1085         * config/generic/cacheline.cc: Remove file.
1086         * config/x86/cacheline.cc: Remove file.
1087         * config/generic/cacheline.h (gtm_cacheline): Remove the
1088         store_mask, copy_mask, copy_mask_wb methods.
1089         * config/x86/cacheline.h: Likewise.
1090         * config/alpha/cacheline.h: Fall back to generic after setting size.
1091         * config/generic/tls.cc (gtm_mask_stack): Remove.
1092         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1093         (GTM_vpalignr_table): Remove.
1094         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1095         (GTM_pshift_table): Remove.
1096         * config/libitm_i.h: Don't include cachepage.h.
1097         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1098         * Makefile.in, testsuite/Makefile.in: Rebuild.
1099
1100 2011-11-09  Richard Henderson  <rth@redhat.com>
1101
1102         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1103         to emit branch prediction hint.
1104
1105         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1106         Protect .note.GNU-stack with __linux__.
1107
1108         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1109         * configure, aclocal.m4, config.h.in: Rebuild.
1110         * config/generic/asmcfi.h: New file.
1111         * config/x86/sjlj.S: Use it.
1112
1113 2011-11-08  Richard Henderson  <rth@redhat.com>
1114
1115         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1116
1117 2011-11-08  Richard Henderson  <rth@redhat.com>
1118
1119         * configure.tgt: Test correct directory for supported cpus.
1120
1121         * configure.ac: Exit if unsupported.
1122         * configure: Rebuild.
1123         * configure.tgt: Delete boilerplate from libgomp for unsupported
1124         targets.  Set UNSUPPORTED for unsupported targets.
1125
1126 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1127
1128         * configure.tgt: Handle i386 like i[456]86.
1129         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1130         take address.
1131         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1132         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1133
1134 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1135
1136         * method-wbetl.cc: Update copyright notice.
1137         * aatree.cc: Same.
1138         * util.cc: Same.
1139         * libitm.h: Same.
1140         * memset.cc: Same.
1141         * eh_cpp.cc: Same.
1142         * barrier.tpl: Same.
1143         * useraction.cc: Same.
1144         * stmlock.h: Same.
1145         * memcpy.cc: Same.
1146         * common.h: Same.
1147         * config/generic/tls.cc: Same.
1148         * config/generic/cacheline.h: Same.
1149         * config/generic/cachepage.h: Same.
1150         * config/generic/cacheline.cc: Same.
1151         * config/generic/unaligned.h: Same.
1152         * config/x86/cacheline.h: Same.
1153         * config/x86/cacheline.cc: Same.
1154         * config/x86/unaligned.h: Same.
1155         * config/alpha/cacheline.h: Same.
1156         * config/alpha/unaligned.h: Same.
1157         * config/alpha/sjlj.S: Same.
1158         * config/posix/cachepage.cc: Same.
1159         * config/linux/futex.h: Same.
1160         * config/linux/alpha/futex_bits.h: Same.
1161
1162 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1163
1164         * libitm.texi: No cover text and invariant sections.
1165
1166 2011-11-03  Richard Henderson  <rth@redhat.com>
1167
1168         * local_type_traits: New file.
1169         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1170
1171 2011-11-03  Richard Henderson  <rth@redhat.com>
1172
1173         * configure.ac: Don't test for gfortran.
1174         * configure: Rebuild.
1175
1176         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1177         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1178
1179 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1180
1181         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1182         * testsuite/libitm.c/memset-1.c: Same.
1183         * testsuite/libitm.c/c.exp: Same.
1184         * testsuite/lib/libitm-dg.exp: Same.
1185         * testsuite/lib/libitm.exp: Same.
1186         * testsuite/libitm.c++/c++.exp: Same.
1187
1188 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1189
1190         * testsuite/config/default.exp: Update copyright date.
1191         * configure.ac: Add copyright info.
1192         * configure.tgt: Same.
1193
1194 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1195
1196         * testsuite/libitm.c/reentrant.c: XFAIL.
1197         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1198
1199 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1200
1201         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1202         handle aborts.
1203         (_ITM_abortTransaction): Handle aborts of outer transactions.
1204         * libitm_i.h: Same.
1205         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1206         * libitm.texi: Document aborts of outer transactions.
1207         * testsuite/libitm.c/cancel.c: New file.
1208
1209 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1210
1211         * testsuite/*: Change __transaction to __transaction_atomic or
1212         __transaction_relaxed.
1213
1214 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1215
1216         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1217         (gtm_thr): Same.
1218
1219 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1220
1221         * libitm_i.h: Add gl_wt dispatch.
1222         * retry.cc (parse_default_method): Same.
1223         * method-gl.cc: New file.
1224         * Makefile.am: Use method-gl.cc.
1225         * Makefile.in: Rebuild.
1226
1227 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1228
1229         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1230         safety if requested by a TM method.
1231         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1232         privatization safety.
1233         * method-serial.cc: Same.
1234
1235 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1236
1237         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1238         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1239         undolog-related member functions from *_local to *_undolog.
1240         * local.cc (gtm_thread::commit_undolog): Same.
1241         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1242         (GTM::gtm_thread::rollback): Roll back undolog before
1243         dispatch-specific rollback.
1244
1245 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1246
1247         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1248         re-initialization of the current method group.
1249         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1250
1251 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1252
1253         * alloc.cc (commit_allocations_2): Do not free transaction-local
1254         memory when committing a nested transaction.
1255
1256 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1257
1258         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1259         serial-irrevocable dispatch, not serial.
1260
1261 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1262
1263         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1264         declarations.
1265         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1266         * method-serial.cc: Implement begin_or_restart().
1267         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1268         dispatch-specific begin_or_restart().
1269         (GTM::gtm_thread::restart): Same.
1270
1271 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1272
1273         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1274         restarting without switching to serial mode.
1275         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1276         transaction state. Choose closed-nesting alternative if available.
1277         (GTM::gtm_thread::set_default_dispatch): New.
1278         (parse_default_method): New.
1279         (GTM::gtm_thread::number_of_threads_changed): New.
1280         * method-serial.cc (GTM::serial_mg): New method group class.
1281         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1282         fini.
1283         (GTM::serial_dispatch): Same.
1284         (GTM::serialirr_onwrite_dispatch): Same.
1285         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1286         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1287         registered threads.
1288         (GTM::gtm_thread::gtm_thread): Same.
1289         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1290         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1291         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1292         choose dispatch but set state according to dispatch here.
1293         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1294         (GTM::method_group): New class.
1295         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1296         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1297         * libitm.texi: Document TM methods, method groups, method life cycle.
1298         Rename method sets to method groups.
1299
1300 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1301
1302         * config/x86/tls.h: Moved to ...
1303         * config/linux/x86/tls.h: ... here.
1304
1305 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1306
1307         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1308         Add X32 support.
1309         * config/x86/sjlj.S: Same.
1310
1311 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1312
1313         * config/linux/rwlock.h: New file.
1314         * config/linux/rwlock.c: New file.
1315         * configure.ac: Reenable futex support (undo SVN rev 157758).
1316         * Makefile.am: Same.
1317         * configure.tgt: Same.
1318         * config/linux/alpha/futex_bits.h: Same.
1319         * config/linux/futex.h: Same. Return number of woken processes.
1320         * config/linux/futex.cc: Same.
1321         (futex_wait): Remove spinning.
1322         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1323         Use __x86_64__ instead of __LP64__.
1324         * aclocal.m4: Include generic futex checks.
1325         * configure: Rebuild.
1326         * Makefile.in: Rebuild.
1327         * testsuite/Makefile.in: Rebuild.
1328         * beginend.cc: Include pthread.h.
1329         * config/posix/cachepage.cc: Same.
1330
1331 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1332
1333         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1334         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1335         (set_gtm_thr): New.
1336         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1337         (set_gtm_thr): New.
1338         (GTM::gtm_thread::thread_num): Removed.
1339         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1340         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1341         tx-to-thread renaming.
1342         * beginend.cc: Adapted to tx-to-thread renaming.
1343         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1344         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1345         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1346         gtm_transaction to gtm_thread.
1347         (_ITM_getThreadnum): Removed. Not supported anymore.
1348         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1349         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1350         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1351         gtm_tx-to-gtm_thr renaming if necessary.
1352         * eh_cpp.cc: Same.
1353         * local.cc: Same.
1354         * retry.cc: Same.
1355         * clone.cc: Same.
1356         * alloc.cc: Same.
1357         * alloc_c.cc: Same.
1358         * alloc_cpp.cc: Same.
1359         * method-serial.cc: Same.
1360         * config/generic/tls.cc: Same.
1361         * config/posix/rwlock.h (gtm_rwlock): Same.
1362         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1363
1364 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1365
1366         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1367         implementation.
1368         (gtm_rwlock::read_unlock): Same.
1369         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1370         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1371         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1372         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1373         w_upgrade. Replaced by per-transaction flags (in shared_state).
1374         Added c_confirmed_writers.
1375         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1376         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1377         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1378         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1379         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1380         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1381         * libitm.texi: Document locking conventions and implementations in
1382         libitm.
1383
1384 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1385
1386         * libitm_i.h (next_tx): Add list of all threads' transaction.
1387         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1388         transaction with list of transactions and ...
1389         (thread_exit_handler): ... deregister here.
1390         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1391         * config/x86/target.h: Same.
1392
1393 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1394
1395         * testsuite/libitm.c++/static_ctor.C: New file.
1396
1397 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1398
1399         * testsuite/libitm.c/reentrant.c: New file.
1400
1401 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1402
1403         * config/generic/tls.h: Remove the free list for transactions and ...
1404         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1405         (GTM::gtm_transaction::operator delete): ... and release here.
1406         (thread_exit_handler): New. Delete tx when thread terminates.
1407         (thread_exit_init): New.
1408         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1409         * testsuite/libitm.c/txrelease.c: New file.
1410
1411 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1412
1413         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1414         * testsuite/libitm.c/notx.c: New file.
1415
1416 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1417
1418         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1419         * libitm_i.h (local_tid): ... to here.
1420         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1421         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1422
1423 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1424
1425         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1426         serialirr_onwrite_dispatch as new default for now.
1427         * method-serial.cc (serialirr_onwrite_dispatch): New.
1428         (GTM::dispatch_serialirr_onwrite): New.
1429         * libitm_i.h: Same.
1430
1431 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1432
1433         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1434         * query.cc (_ITM_getTransactionId): There is no active transaction if
1435         the current nesting level is zero.
1436
1437 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1438
1439         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1440         rollback.
1441
1442 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1443
1444         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1445         transaction properties from the caller instead of from the
1446         transaction object.
1447         * libitm_i.h: Same.
1448         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1449
1450 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1451
1452         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1453         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1454         * dispatch.h: Same.
1455         * method-serial.cc: Same.
1456         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1457         flat nesting as default, and closed nesting on demand.
1458         (GTM::gtm_transaction::rollback): Same.
1459         (_ITM_abortTransaction): Same.
1460         (GTM::gtm_transaction::restart): Same.
1461         (GTM::gtm_transaction::trycommit): Same.
1462         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1463         (choose_code_path): New.
1464         (GTM::gtm_transaction_cp::save): New.
1465         (GTM::gtm_transaction_cp::commit): New.
1466         * query.cc (_ITM_inTransaction): Support flat nesting.
1467         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1468         (GTM::gtm_transaction): Support flat and closed nesting.
1469         * alloc.cc (commit_allocations_2): New.
1470         (commit_cb_data): New helper struct.
1471         (GTM::gtm_transaction::commit_allocations): Handle nested
1472         commits/rollbacks.
1473         * libitm.texi: Update user action section, add description of nesting.
1474
1475 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1476
1477         * libitm_i.h: Add closed nesting as restart reason.
1478         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1479
1480 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1481
1482         * useraction.cc: Use vector instead of list to store actions.
1483         Also support partial rollbacks for closed nesting.
1484         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1485         * beginend.cc: Same.
1486
1487 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1488
1489         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1490         closed_nesting flags, as well as a closed nesting alternative.
1491         * method-serial.cc: Same.
1492         (serial_dispatch): Renamed to serialirr_dispatch.
1493         (GTM::dispatch_serialirr): Same.
1494         (serial_dispatch_ul): Renamed to serial_dispatch.
1495         (GTM::dispatch_serial): Same.
1496
1497 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1498
1499         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1500
1501 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1502
1503         * aatree.h (aa_tree::remove): New.
1504         (aa_tree::operator new): Add placement new.
1505
1506 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1507
1508         * containers.h: New file.
1509         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1510         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1511         * common.h: ... to here.
1512         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1513         * local.cc: Same.
1514
1515 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1516
1517         * libitm_i.h (STATE_ABORTING): Remove.
1518         * beginend.cc (_ITM_abortTransaction): Same.
1519         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1520         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1521         (_ITM_rollbackTransaction): Remove.
1522         * beginend.cc: Same.
1523         * libitm.map: Same.
1524         * libitm.texi: Document these ABI changes.
1525
1526 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1527
1528         * libitm.texi: New file.
1529         * Makefile.am: Add libitm.texi.
1530         * Makefile.in: Rebuild.
1531
1532 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1533
1534         * libitm_i.h: Move parts to common.h and dispatch.h.
1535         * common.h: New file.
1536         * dispatch.h: New file, new dispatch class.
1537         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1538         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1539         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1540         decision to retry.cc.
1541         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1542         only.
1543         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1544         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1545         logging.
1546         * barrier.cc: Use new barriers definitions.
1547         (abi_dispatch::memmove_overlap_check): New.
1548         * config/x86/x86_sse.cc: Same.
1549         * config/x86/x86_avx.cc: Same.
1550         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1551         memcpy.cc.
1552         * Makefile.in: Rebuild.
1553         * method-readonly.cc: Remove.
1554         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1555         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1556
1557 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1558
1559         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1560         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1561         * testsuite/libitm.c/dropref-2.c: Same.
1562         * testsuite/libitm.c/dropref.c: Same.
1563
1564 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1565
1566         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1567         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1568         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1569         * alloc_c.cc: Same.
1570         * barrier.tpl: Same.
1571         * beginend.c: Same.
1572         * config/generic/tls.h: Same.
1573         * config/x86/tls.h: Same.
1574         * libitm_i.h: Same.
1575         * memcpy.cc: Same.
1576         * memset.cc: Same.
1577         * method-readonly.cc: Same.
1578         * method-serial.cc: Same.
1579         * method-wbetl.cc: Same.
1580         * retry.cc: Same.
1581
1582 2011-03-03  Richard Henderson  <rth@redhat.com>
1583
1584         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1585         From Patrik Marlier <patrick.marlier@unine.ch>.
1586
1587 2011-02-03  Richard Henderson  <rth@redhat.com>
1588
1589         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1590         * configure.ac: Use it.
1591         * configure, config.h.in: Rebuild.
1592         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1593         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1594         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1595         * libitm.map: Use wildcards to match size_t mangling.
1596
1597 2010-12-14  Richard Henderson  <rth@redhat.com>
1598
1599         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1600         blocks of TIDs per thread.
1601         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1602         (setup_gtm_thr): Return the thread structure.
1603         * config/x86/tls.h (setup_gtm_thr): Likewise.
1604
1605 2010-12-14  Richard Henderson  <rth@redhat.com>
1606
1607         * clone.cc (table_lock): Remove.
1608         (find_clone): Don't take it.
1609         (ExcludeTransaction): New helper class.
1610         (_ITM_registerTMCloneTable): Use it.
1611         (_ITM_deregisterTMCloneTable): Likewise.
1612
1613 2010-12-14  Richard Henderson  <rth@redhat.com>
1614
1615         * config/x86/tls.h: New file.
1616
1617 2010-07-15  Richard Henderson  <rth@redhat.com>
1618
1619         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1620         * Makefile.in: Rebuild.
1621
1622 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1623
1624         * method-wbetl.cc (trydropreference): Fix source line.
1625
1626 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1627
1628         * libitm.h: Add comment.
1629         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1630
1631 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1632
1633         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1634         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1635         available, use pthread mutexes.
1636         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1637         * config.h.in: Regenerate.
1638         * configure: Regenerate.
1639
1640 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1641
1642         * libitm.h (ITM_PURE): Define.
1643         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1644
1645 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1646
1647         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1648         (validate): Add comment.
1649         (trydropreference): New.
1650         * method-readonly.cc (class readonly_dispatch): Add
1651         trydropreference.
1652         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1653         Call trydropreference().
1654         * libitm.h (_ITM_dropReferences): Remove const attribute.
1655         * method-serial.cc (class serial_dispatch): Add trydropreference.
1656         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1657
1658 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1659
1660         * memcpy.cc (do_memcpy): Comment.
1661
1662 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1663
1664         * barrier.tpl: Add comments throughout.
1665
1666 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1667
1668         * method-wbetl.cc (struct w_entry): Add comments.
1669         (trycommit): Same.
1670         (rollback): Same.
1671
1672 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1673
1674         * alloc_c.cc (_ITM_dropReferences): New.
1675         * libitm.map (_ITM_dropReferences): Add.
1676         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1677         * libitm_i.h (struct gtm_transaction): Declare
1678         drop_references_allocations and drop_references_local.
1679         * local.cc (rollback_local): Ignore memory when applicable.
1680         (drop_references_local): New.
1681
1682 2010-06-23  Richard Henderson  <rth@redhat.com>
1683
1684         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1685         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1686         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1687         * config/alpha/target.h: Likewise.
1688         * config/generic/tls.cc (gtm_mask_stack): Use it.
1689
1690 2010-06-23  Richard Henderson  <rth@redhat.com>
1691
1692         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1693         a mutex instead of trying a lock-free compare-and-swap on the list.
1694         (gtm_cacheline_page::operator delete): Likewise.
1695
1696 2010-06-16  Richard Henderson  <rth@redhat.com>
1697
1698         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1699         that overlap the libitm stack.
1700         * barrier.tpl: Mark incoming stack.
1701         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1702         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1703         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1704         * memcpy.cc, memset.cc: Likewise.
1705         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1706         * config/generic/tls.h (gtm_thread): Add stack_top member.
1707         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1708         * libitm_i.h (gtm_mask_stack): Declare.
1709         * config/generic/tls.cc: New file.
1710         * Makefile.am (libitm_la_SOURCES): Add it.
1711         (AM_CXXFLAGS): Turn off exceptions.
1712         * Makefile.in: Rebuild.
1713
1714 2010-06-16  Richard Henderson  <rth@redhat.com>
1715
1716         * alloc.cc (struct gtm_alloc_action): Move definition ...
1717         * libitm_i.h: ... here.
1718         (class gtm_transaction): Declare new and delete.
1719         * beginend.cc (alloc_tx): Reformulate as operator new.
1720         (free_tx): Reformulate as operator delete.
1721         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1722
1723 2010-06-11  Richard Henderson  <rth@redhat.com>
1724
1725         * clone.cc (clone_entry_compare): Fix typo.
1726         From Patrik Marlier <patrick.marlier@unine.ch>.
1727
1728 2010-05-13  Richard Henderson  <rth@redhat.com>
1729
1730         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1731         in extern "C".
1732
1733 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1734
1735         * libitm_i.h (struct gtm_transaction): Remove
1736         get_allocation_size.
1737         (record_allocation): Remove size parameter.
1738         * libitm.map (_ITM_realloc): Remove.
1739         * alloc_c.cc (_ITM_realloc): Remove.
1740         (_ITM_malloc): Remove size argument to record_allocation.
1741         (_ITM_calloc): Same.
1742         * alloc_cpp.cc (_ZGTtnwm): Same.
1743         (_ZGTtnwmRKSt9nothrow_t): Same.
1744         (_ZGTtnam): Same.
1745         (_ZGTtnamRKSt9nothrow_t): Same.
1746         * alloc.cc (struct gtm_alloc_action): Remove size.
1747         (get_allocation_size): Remove.
1748         (commit_allocations): Add comment.
1749         (record_allocation): Remove size parameter.
1750         (forget_allocation): Remove set of size.
1751
1752 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1753
1754         * Makefile.am (abi_version): New.
1755         (AM_CXXFLAGS): Pass abi_version.
1756         * Makefile.in: Regenerate.
1757         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1758
1759 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1760
1761         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1762         _ITM_getTMCloneOrIrrevokable.
1763         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1764         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1765
1766 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1767
1768         * configure.ac: Remove Linux futex support.
1769         * configure.tgt (config_path): Same.
1770         * Makefile.am: Same.
1771         * config/linux: Remove entire directory.
1772         * configure: Rebuild.
1773         * Makefile.in: Rebuild.
1774         * testsuite/Makefile.in: Rebuild.
1775
1776 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1777
1778         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1779         switching to serial mode.
1780         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1781
1782 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1783
1784         * configure.tgt: Add emacs -*- tags.
1785         * barrier.tpl: Same.
1786
1787 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1788
1789         * Makefile.am: Rename serial.cc to method-serial.cc.
1790         * Makefile.in: Regenerate with automake 1.11.1.
1791         * testsuite/Makefile.in: Same.
1792         * aclocal.m4: Regenerate with aclocal 1.11.1.
1793         * method-serial.cc: Rename from serial.cc.
1794         * libitm_i.h (struct gtm_transaction): Update comment on
1795         serialirr_mode.
1796
1797 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1798
1799         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1800         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1801
1802 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1803
1804         * configure: Rebuild.
1805
1806 2009-11-12  Richard Henderson  <rth@redhat.com>
1807
1808         * Rewrite everything in C++.
1809
1810 2009-11-03  Richard Henderson  <rth@redhat.com>
1811
1812         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1813         * Makefile.am (libitm_la_SOURCES): Add them.
1814         * configure.ac (ARCH_X86): New conditional.
1815         * Makefile.in, configure: Rebuild.
1816         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1817         Move futex setup into "other system configury" case.
1818         * local.c (rollback_local): Merge into ...
1819         (GTM_rollback_local): ... here.
1820         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1821         (_ITM_LB): Define as an alias to GTM_LB.
1822
1823 2009-11-03  Richard Henderson  <rth@redhat.com>
1824
1825         * method-readonly.c: New file.
1826         * Makefile.am (libitm_la_SOURCES): Add it.
1827         * Makefile.in: Rebuild.
1828         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1829         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1830         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1831         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1832         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1833         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1834         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1835         gtm_get_clock, gtm_inc_clock): New.
1836         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1837         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1838         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1839         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1840         replace uses with new libitm_i.h symbols.
1841         (dispatch_wbetl): Rename from wbetl_dispatch.
1842         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1843         away from dispatch_readonly; abort if the beginTransaction call
1844         asserted that the transaction was readonly.
1845
1846 2009-11-03  Richard Henderson  <rth@redhat.com>
1847
1848         * memset.c: New file.
1849         * Makefile.am (libitm_la_SOURCES): Add it.
1850         * Makefile.in: Rebuild.
1851         * testsuite/libitm.c/memset-1.c: New.
1852
1853 2009-11-03  Richard Henderson  <rth@redhat.com>
1854
1855         * dispatch.c: Remove file.
1856         * useraction.c (struct gtm_user_action): Move from libitm.h.
1857         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1858         (serial_memset, serial_memmove, serial_memcpy): Remove.
1859         (serial_W*, serial_R*): Remove.
1860         (serial_dispatch): Update to match.
1861         * configure.ac: Move Werror down below configure checks.  Don't
1862         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1863         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1864         Use GCC_AC_FUNC_MMAP_BLACKLIST
1865         * libitm.h: Split out all internal items to...
1866         * libitm_i.h: ... here.  New file.
1867         * copymask.c: New file.
1868         * local.c (struct gtm_local_undo): Move from libitm.h.
1869         (GTM_alloc_local): Rename from alloc_local; export.
1870         * memcpy.c: New file.
1871         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1872         * config/posix/page.c: New file.
1873         * config/posix/target_tls.h: Remove file.
1874         * barrier.c: New file.
1875         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1876         copymask.c, page.c.
1877         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1878         * method-wbetl.c: Rewrite for new cacheline methods.
1879         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1880
1881         * config/alpha/sjlj.S: Fix typo.
1882         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1883         * config/alpha/copymask.c: New file.
1884         * config/alpha/target.h (CACHELINE_SIZE): New.
1885         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1886
1887         * config/x86/target_i.h: Copy functions from x86/target.h.
1888         * config/x86/copymask.c: New file.
1889         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1890         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1891         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1892         * config/x86/target_tls.h: Move contents to target_i.h.
1893
1894         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1895         * testsuite/libitm.c/memcpy-1.c: New.
1896
1897 2009-10-22  Richard Henderson  <rth@redhat.com>
1898
1899         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1900         (AM_CCASFLAGS): New.
1901         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1902         saving/restoring _AC_ARG_VAR_PRECIOUS.
1903         * Makefile.in, aclocal.m4, config.h.in, configure,
1904         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1905
1906 2009-10-22  Richard Henderson  <rth@redhat.com>
1907
1908         * testsuite/*: Update for new compiler syntax.
1909
1910 2009-10-21  Richard Henderson  <rth@redhat.com>
1911
1912         * libitm.h (_ITM_abortReason): Add outerAbort.
1913
1914 2009-08-03  Richard Henderson  <rth@redhat.com>
1915
1916         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1917         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1918         * method-wbetl.c (struct w_entry): Remove mask.
1919         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1920         adjust all callers.
1921
1922 2009-07-22  Richard Henderson  <rth@redhat.com>
1923
1924         * eh_cpp.c: New file.
1925         * Makefile.am (libitm_la_SOURCES): Add it.
1926         * Makefile.in: Rebuild.
1927         * beginend.c (GTM_rollback_transaction): Undo exception state.
1928         (GTM_trycommit_transaction): Mark inline.
1929         (GTM_trycommit_and_finalize_transaction): Split out from ...
1930         (_ITM_commitTransaction): ... here.
1931         (_ITM_commitTransactionEH): New function.
1932         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1933         cxa_unthrown, eh_in_flight; reorder.
1934
1935         * testsuite/libitm.c++/c++.exp: New.
1936         * testsuite/libitm.c++/eh-1.C: New.
1937
1938         * aatree.c (aa_free): Remove REGPARM.
1939         * aatree.h: Remove all REGPARM.
1940
1941 2009-07-18  Richard Henderson  <rth@redhat.com>
1942
1943         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1944         * Makefile.am (libitm_la_SOURCES): Add them.
1945         * Makefile.in: Rebuild.
1946         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1947         (GTM_trycommit_transaction): Likewise.
1948         * libitm.h: Include aatree.h
1949         (struct gtm_alloc_action): New.
1950         (struct gtm_transaction): Add alloc_actions.
1951         (GTM_record_allocation, GTM_forget_allocation): Declare.
1952         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1953         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1954         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1955         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1956         _ZGTtdaPvRKSt9nothrow_t): Export.
1957
1958 2009-07-18  Richard Henderson  <rth@redhat.com>
1959
1960         * target_tls.h: Move ...
1961         * config/posix/target_tls.h: ... here.
1962
1963 2009-07-07  Richard Henderson  <rth@redhat.com>
1964
1965         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1966
1967 2009-07-07  Richard Henderson  <rth@redhat.com>
1968
1969         * Update to GPL3.
1970
1971 2009-07-07  Richard Henderson  <rth@redhat.com>
1972
1973         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1974         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1975
1976         * configure.tgt: Don't use -ftls-model for x86 linux.
1977         * libitm.h: Include target.h after standard includes.
1978         (_gtm_thr): Rename from gtm_thr.
1979         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1980         (gtm_disp, set_gtm_disp): New.
1981         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1982         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1983         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1984
1985 2009-07-07  Richard Henderson  <rth@redhat.com>
1986
1987         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1988
1989 2009-07-06  Richard Henderson  <rth@redhat.com>
1990
1991         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1992         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1993         (_ITM_beginTransaction): Take variadic arguments.
1994         (_ITM_registerThrownObject): Declare.
1995         * beginend.c, serial.c: Update.
1996         * libitm.map: Add _ITM_registerThrownObject.
1997
1998 2009-01-28  Richard Henderson  <rth@redhat.com>
1999
2000         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2001         * Makefile.in: Rebuild.
2002         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2003         (GTM_restart_transaction): Fix uninstrumented code check.
2004         * retry.c (GTM_decide_retry_strategy): Add serial check.
2005         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2006         automatically go irrevokable when in serial mode.
2007         * clone.c: New file.
2008         * libitm.h, libitm.map: Update.
2009
2010 2009-01-27  Richard Henderson  <rth@redhat.com>
2011
2012         * Makefile.am (LTCCASCOMPILE): Define.
2013         (libitm_la_SOURCES): Add methid-wbetl.c.
2014         * testsuite/Makefile.am: New
2015         * configure.ac: Add testsuite/Makefile.
2016         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2017         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2018         (_ITM_abortTransaction): Finalize implementation method; pass
2019         transaction properties to longjmp.
2020         (GTM_restart_transaction): Split out from ...
2021         (_ITM_commitTransaction): ... here.
2022         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2023         Move to config/x86/target.h.
2024         * config/linux/alpha/futex_bits.h: New.
2025         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2026         * config/x86/target.h: Disable target types for 32-bit.
2027         * config/alpha/sjlj.S, config/alpha/target.h: New.
2028         * libitm.h (struct gtm_dispatch): Add init, fini.
2029         (enum restart_reason): New.
2030         (struct gtm_transaction): Add method and restarts.
2031         * retry.c (GTM_decide_retry_strategy): Implement.
2032         * serial.c (serial_init, serial_fini): New.
2033         (GTM_serialmode): Finialize outgoing method.
2034         * method-wbetl.c: New.
2035
2036 2008-12-09  Richard Henderson  <rth@redhat.com>
2037
2038         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2039         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2040         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2041         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2042         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2043         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2044         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2045         * serial.c (serial_R##T, serial_W##T): Likewise.
2046
2047 2008-11-21  Richard Henderson  <rth@redhat.com>
2048
2049         * Initial commit.
2050 \f
2051 Copyright (C) 2008-2017 Free Software Foundation, Inc.
2052
2053 Copying and distribution of this file, with or without modification,
2054 are permitted in any medium without royalty provided the copyright
2055 notice and this notice are preserved.