libitm/ChangeLog

   1 2018-07-26  Release Manager
   2
   3         * GCC 8.2.0 released.
   4
   5 2018-05-02  Release Manager
   6
   7         * GCC 8.1.0 released.
   8
   9 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  10
  11         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  12         (__CET__ & 2) != 0 check for shadow stack.
  13         (GTM_longjmp): Likewise.
  14
  15 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  16
  17         * configure: Regenerated.
  18
  19 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
  20
  21         PR target/85489
  22         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
  23
  24 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
  25
  26         * configure: Regenerated.
  27
  28 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
  29
  30         PR jit/85384
  31         * configure: Regenerate.
  32
  33 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  34
  35         PR target/84148
  36         * configure: Regenerate.
  37
  38 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
  39
  40         Update copyright years.
  41
  42         * libitm.texi: Bump @copying's copyright year.
  43
  44 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  45
  46         * Makefile.in: Regenerate.
  47         * acinclude.m4: Add enable.m4 and cet.m4.
  48         * config/x86/sjlj.S: Include cet.h.
  49         (_ITM_beginTransaction): Add _CET_ENDBR.
  50         Save Shadow Stack pointer.
  51         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
  52         * config/x86/target.h (struct gtm_jmpbuf):
  53         Add new field for Shadow Stack pointer.
  54         * configure: Regenerate.
  55         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
  56         * configure.ac: Update libtool_VERSION for x86.
  57         * testsuite/Makefile.in: Regenerate.
  58
  59 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  60
  61         * libitm/config/x86/target.h: Add new field (ssp).
  62         * libitm/config/x86/sjlj.S: Change offsets.
  63
  64 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  65
  66         * testsuite/lib/libitm.exp: Load scanlang.exp.
  67
  68 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
  69
  70         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
  71
  72 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
  73
  74         PR other/79046
  75         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
  76         of cat to get version from BASE-VER file.
  77         * testsuite/Makefile.in: Regenerated.
  78
  79 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
  80
  81         * config/x86/target.h (htm_available): Determine vendor from
  82         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
  83
  84 2017-01-18  Torvald Riegel  <triegel@redhat.com>
  85
  86         * config/x86/target.h (htm_available): Add check for some processors
  87         on which TSX is broken.
  88
  89 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
  90
  91         PR other/79046
  92         * configure.ac: Add GCC_BASE_VER.
  93         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
  94         get version from BASE-VER file.
  95         * testsuite/Makefile.in: Regenerated.
  96         * configure: Regenerated.
  97         * Makefile.in: Regenerated.
  98
  99 2017-01-04  Alan Modra  <amodra@gmail.com>
 100
 101         * Makefile.in: Regenerate.
 102         * testsuite/Makefile.in: Regenerate.
 103
 104 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 105
 106         Update copyright years.
 107
 108         * libitm.texi: Bump @copying's copyright year.
 109
 110 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 111
 112         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 113         * aclocal.m4: Regenerate.
 114         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 115         LIBITM_CHECK_LINKER_HWCAP.
 116
 117 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 118
 119         * configure: Regenerate.
 120
 121 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 122
 123         PR libitm/70456
 124         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 125         on cache line if requested.
 126
 127 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 128
 129         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 130         function attribute to disable floating point in begin_transaction() on
 131         S/390.
 132         * beginend.cc (begin_transaction): Use
 133         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 134
 135 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 136
 137         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 138         boundary.
 139         (htm_fastpath): Remove.
 140         (gtm_thread::begin_transaction): Fix HTM fastpath.
 141         (_ITM_commitTransaction): Adapt.
 142         (_ITM_commitTransactionEH): Adapt.
 143         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 144         and accessors.
 145         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 146         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 147         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 148         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 149         * libitm/method-serial.cc (htm_mg): Adapt.
 150         (gtm_thread::serialirr_mode): Adapt.
 151         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 152
 153 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 154
 155         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 156         or AIX.
 157
 158 2016-01-19  Richard Henderson  <rth@redhat.com>
 159
 160         PR bootstrap/69343
 161         PR bootstrap/69339
 162         Revert:
 163         2016-01-13  Richard Henderson  <rth@redhat.com>
 164
 165         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 166         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 167         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 168         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 169         * configure.ac (ARCH_AARCH64): New conditional.
 170         (ARCH_PPC, ARCH_S390): Likewise.
 171         * Makefile.in, configure: Rebuild.
 172
 173         * libitm.h (_ITM_TYPE_M128): Always define.
 174         * vect64.cc: Split ...
 175         * vect128.cc: ... out of...
 176         * config/x86/x86_sse.cc: ... here.
 177         * config/arm/neon.cc: New file.
 178
 179 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 180
 181         * local_type_traits: Remove file.
 182         * libitm_i.h: Don't include it anymore.
 183         (sized_integral): Remove.
 184
 185 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 186
 187         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 188         safety.
 189         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 190         * libitm/testsuite/libitm.c/priv-1.c: New.
 191
 192 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 193
 194         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 195
 196 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 197
 198         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 199         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 200         (gtm_rwlock::write_unlock): Likewise.
 201
 202 2016-01-13  Richard Henderson  <rth@redhat.com>
 203
 204         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 205         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 206         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 207         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 208         * configure.ac (ARCH_AARCH64): New conditional.
 209         (ARCH_PPC, ARCH_S390): Likewise.
 210         * Makefile.in, configure: Rebuild.
 211
 212         * libitm.h (_ITM_TYPE_M128): Always define.
 213         * vect64.cc: Split ...
 214         * vect128.cc: ... out of...
 215         * config/x86/x86_sse.cc: ... here.
 216         * config/arm/neon.cc: New file.
 217
 218 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 219
 220         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 221         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 222         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 223         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 224         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 225         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 226         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 227         (serialirr_dispatch::snapshot_most_recent): New.
 228         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 229
 230 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 231
 232         * libitm_i.h (gtm_mask_stack): Remove.
 233         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 234         * stmlock.h: Remove file.
 235         * config/alpha/cacheline.h: Likewise.
 236         * config/generic/cacheline.h: Likewise.
 237         * config/powerpc/cacheline.h: Likewise.
 238         * config/sparc/cacheline.h: Likewise.
 239         * config/x86/cacheline.h: Likewise.
 240
 241 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 242
 243         Update copyright years.
 244
 245         * libitm.texi: Bump @copying's copyright year.
 246
 247 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 248
 249         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 250         (ml_wt_dispatch::pre_write): Adapt.
 251         (ml_wt_dispatch::pre_load): Likewise.
 252
 253 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 254
 255         * libitm_i.h (gtm_alloc_action): Remove union.
 256         * testsuite/libitm.c/alloc-1.c: New.
 257
 258 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 259
 260         * testsuite/libitm.c++/eh-5.C: New.
 261         * libitm.h (_ITM_cxa_free_exception): New.
 262         * libitm.map (_ITM_cxa_free_exception): Add it.
 263         * libitm.texi: Update ABI docs.
 264         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 265         (gtm_transaction_cp::cxa_uncaught_count): Add.
 266         (gtm_thread::cxa_unthrown): Remove.
 267         (gtm_thread::cxa_uncaught_count_ptr): Add.
 268         (gtm_thread::cxa_uncaught_count): Add.
 269         (gtm_thread::drop_references_allocations): Rename to...
 270         (gtm_thread::discard_allocation): ... this and adapt.
 271         (gtm_thread::init_cpp_exceptions): New.
 272         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 273         (gtm_thread::begin_transaction): Likewise.
 274         (gtm_transaction_cp::save): Likewise.
 275         (gtm_thread::trycommit): Likewise.
 276         * eh_cpp.cc: Add overview comments.
 277         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 278         (free_any_exception, _ITM_cxa_free_exception): New.
 279         (gtm_thread::init_cpp_exceptions): Define.
 280         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 281         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 282         (gtm_thread::revert_cpp_exceptions): Likewise.
 283
 284 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 285
 286         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 287         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 288         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 289         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 290         (gtm_thread::forget_allocations): New overload with size_t argument.
 291         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 292         adapt existing one.
 293         (gtm_thread::record_allocation): Adapt.
 294         (gtm_thread::commit_allocations_1): Adapt.
 295         (gtm_thread::commit_allocations_2): Adapt.
 296         * testsuite/libitm.c++/newdelete.C: New.
 297
 298 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 299             Joseph Myers  <joseph@codesourcery.com>
 300             Mark Shinwell  <shinwell@codesourcery.com>
 301             Andrew Stubbs  <ams@codesourcery.com>
 302             Rich Felker <dalias@libc.org>
 303
 304         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 305         GTM_begin_transaction for compatibility with FDPIC.
 306
 307 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 308
 309         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 310         using load_gcc_lib.
 311
 312 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 313
 314         PR libitm/61164
 315         * local_atomic (__always_inline): Rename to...
 316         (__libitm_always_inline): ... this.
 317
 318 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 319
 320         PR target/52482
 321         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 322
 323 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 324
 325         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 326         operands "op" and "val" to int.
 327
 328 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 329
 330         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 331         "op" and "val" to int.
 332
 333 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 334
 335         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 336         "op" and "val" to int.
 337
 338 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 339
 340         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 341         Declare as static int.
 342         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 343         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 344
 345 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 346
 347         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 348         sys_futex0 function.
 349
 350 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 351
 352         * Makefile.in: Regenerated with automake-1.11.6.
 353         * aclocal.m4: Likewise.
 354         * configure: Likewise.
 355         * testsuite/Makefile.in: Likewise.
 356
 357 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 358
 359         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 360         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 361
 362 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 363
 364         PR libitm/64360
 365         * libitm.c/stackundo.c (test2): Make it static.
 366         (test1): Likewise.
 367
 368 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 369
 370         Update copyright years.
 371
 372 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 373
 374         * libitm.texi: Bump @copying's copyright year.
 375
 376 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 377
 378         * testsuite/lib/libitm.exp: Load target-utils.exp.
 379         Move load of target-supports.exp earlier.
 380
 381 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 382
 383         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 384
 385 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 386
 387         PR bootstrap/63784
 388         * configure: Regenerated.
 389
 390 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 391
 392         PR target/63610
 393         * configure: Regenerate.
 394
 395 2014-10-06  Marek Polacek  <polacek@redhat.com>
 396
 397         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 398         * testsuite/libitm.c/memset-1.c: Likewise.
 399
 400 2014-07-24  Richard Henderson  <rth@redhat.com>
 401
 402         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 403         addressing mode in epilogue.
 404
 405 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 406
 407         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 408         -mclear-hwcap instead.
 409         * configure: Regenerate.
 410         * clearcap.map: Remove.
 411
 412 2014-05-21  John Marino  <gnugcc@marino.st>
 413
 414         * configure.tgt (*-*-dragonfly*): New target.
 415
 416 2014-05-19  Richard Henderson  <rth@redhat.com>
 417
 418         * config/aarch64/sjlj.S: New file.
 419         * config/aarch64/target.h: New file.
 420         * configure.tgt: Enable aarch64.
 421
 422 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 423
 424         * config/generic/asmcfi.h: Also check for
 425         __GCC_HAVE_DWARF2_CFI_ASM.
 426
 427 2013-04-02  Richard Henderson  <rth@redhat.com>
 428
 429         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 430         * config/arm/target.h, config/sh/target.h: Likewise.
 431         * config/sparc/target.h, config/x86/target.h: Likewise.
 432
 433 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 434
 435         * config/linux/futex_bits.h: Include errno.h.
 436         (sys_futex0): If syscall returns -1, return -errno rather than
 437         -1.
 438
 439 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 440
 441         * libitm.texi (Index): Rename to Library Index.
 442
 443 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 444
 445         PR libitm/53113
 446         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 447         (x86_avx.lo): Append -mavx to CXXFLAGS.
 448         * Makefile.in: Regenerate.
 449
 450 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 451
 452         Update copyright years
 453
 454 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 455
 456         * libitm.texi: Bump @copying's copyright year.
 457
 458 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 459
 460         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 461         (FUNC): Define ELFv2 variant.
 462         (END): Likewise.
 463         (HIDDEN): Likewise.
 464         (CALL): Likewise.
 465         (BASE): Likewise.
 466         (LR_SAVE): Likewise.
 467
 468 2013-09-20  Alan Modra  <amodra@gmail.com>
 469
 470         * configure: Regenerate.
 471
 472 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 473
 474         * config/posix/rwlock.cc: Fix initialization order.
 475
 476 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 477
 478         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 479         (htm_fastpath): Assign an asm name.
 480         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 481         HTM fast paths.
 482         (_ITM_actions): Likewise.
 483         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 484         x86_64.
 485         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 486         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 487         field to the start of the structure.
 488         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 489         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 490         handling for custom HTM fast paths.
 491
 492 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 493         Revert:
 494         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 495
 496         * configure.tgt: Add -msoft-float to XCFLAGS.
 497
 498 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 499
 500         * configure.tgt: Add -msoft-float to XCFLAGS.
 501
 502 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 503
 504         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 505         (htm_transaction_active): Enable zEC12 instructions in the
 506         assembler.
 507         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 508
 509 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 510
 511         * acinclude.m4: Add htm asm check for s390.
 512         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 513         * configure: Regenerate.
 514         * config/s390/target.h: Remove __HTM__ check.
 515         (htm_available): Call getauxval to get hwcaps and check whether
 516         HTM is available or not.
 517
 518 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 519
 520         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 521         * configure.ac: Use it.
 522         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 523         (AC_CHECK_FUNCS): Check for getauxval.
 524         * config.h.in, configure: Rebuild.
 525         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 526         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 527         (USE_HTM_FASTPATH): Define.
 528         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 529         _HTM_RETRIES) New macros.
 530         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 531         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 532
 533 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 534
 535         * config/s390/target.h: Include htmintrin.h.
 536         (_HTM_ITM_RETRIES): New macro definition.
 537         (htm_available, htm_init, htm_begin, htm_begin_success)
 538         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 539
 540 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 541             Cesar Philippidis  <cesar@codesourcery.com>
 542
 543         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 544         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 545         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 546         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 547
 548 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 549
 550         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 551         (_ITM_getTransactionId): Same.
 552         * config/x86/target.h (htm_transaction_active): New.
 553
 554 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 555
 556         PR libitm/57643
 557         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 558         the HTM fastpath.
 559
 560 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 561
 562         PR bootstrap/56714
 563         * local_atomic (__always_inline): Always define our version.
 564         (__calculate_memory_order): Mark inline.
 565         (atomic_thread_fence): Ditto.
 566         (atomic_signal_fence): Ditto.
 567         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 568         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 569         (atomic_bool::atomic_flag_test_and_set): Ditto.
 570         (atomic_bool::atomic_flag_clear): Ditto.
 571
 572 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 573
 574         * config/s390/sjlj.S: New file.
 575         * config/s390/target.h: New file.
 576         * configure.tgt: Set options for S/390.
 577
 578 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 579
 580         * local_atomic (__always_inline): Add.
 581         (__calculate_memory_order, atomic_thread_fence,
 582          atomic_signal_fence, test_and_set, clear, store, load,
 583          exchange, compare_exchange_weak, compare_exchange_strong,
 584          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 585         Add __always_inline to force inlining.
 586
 587 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 588             Jack Howarth  <howarth@bromo.med.uc.edu>
 589             Patrick Marlier  <patrick.marlier@gmail.com>
 590
 591         PR libitm/55693
 592         * alloc_cpp.cc: Enable function declarations on darwin.
 593         * eh_cpp.cc: Likewise.
 594
 595 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 596
 597         Update copyright years.
 598
 599 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 600
 601         * beginend.cc (htm_fastpath): New.
 602         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 603         _ITM_commitTransactionEH): Add HTM fastpath handling.
 604         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 605         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 606         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 607         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 608         * configure.tgt: Add -mrtm to XCFLAGS.
 609         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 610         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 611         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 612         * retry.cc (parse_default_method): Add HTM method parsing.
 613         (gtm_thread::number_of_threads_changed): Use HTM by default if
 614         available.
 615
 616 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 617
 618         * configure: Regenerate.
 619
 620 2012-10-31  Richard Henderson  <rth@redhat.com>
 621
 622         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 623         * configure.ac: Use it.
 624         * config.h.in, configure: Rebuild.
 625         * testsuite/Makefile.in: Rebuild.
 626
 627 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 628
 629         * libitm.texi: Clarify ABI requirements for data-logging functions.
 630
 631 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 632
 633         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 634         it requires serial mode instead of assuming that for certain
 635         dispatchs.
 636         * dispatch.h (abi_dispatch::requires_serial): New.
 637         (abi_dispatch::abi_dispatch): Adapt.
 638         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 639         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 640         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 641         serial_dispatch::serial_dispatch,
 642         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 643
 644 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 645
 646         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 647         and ia32 declarations some more.
 648         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 649
 650 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 651
 652         PR other/43620
 653         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 654         * configure: Regenerate.
 655         * Makefile.in: Regenerate.
 656
 657 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 658
 659         * configure: Regenerated.
 660
 661 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 662
 663         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 664
 665 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 666
 667         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 668
 669 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 670
 671         * configure: Regenerated.
 672
 673 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 674
 675         PR libitm/52854
 676         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 677         for x86-64.
 678
 679 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 680
 681         * configure: Regenerate.
 682
 683 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 684
 685         PR bootstrap/52812
 686         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 687
 688 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 689
 690         * testsuite/lib/libitm.exp: load fortran-modules.exp
 691
 692 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 693
 694         * configure.tgt (*-*-irix6*): Remove.
 695
 696 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 697
 698         PR libitm/52526
 699         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 700         wake-up.
 701
 702 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 703
 704         * configure.tgt (*-*-osf*): Remove.
 705         * configure: Regenerate.
 706
 707 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 708
 709         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 710         memtransfer/memset if size isn't larger than zero.
 711
 712 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 713
 714         * libitm.texi: Link to specification and add a usage example.
 715
 716 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 717
 718         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 719         default dispatch for more than 1 thread to ml_wt.
 720
 721 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 722
 723         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 724
 725 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 726
 727         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 728
 729 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 730
 731         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 732         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 733         (gl_wt_dispatch.rollback): Same.
 734
 735 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 736
 737         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 738
 739 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 740
 741         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 742         for RfW src.  Optimize number of calls to gtm_thr.
 743
 744 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 745
 746         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 747         acquisition to ...
 748         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 749         (default_dispatch): Make atomic.
 750         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 751         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 752         use decide_begin_dispatch() if default_dispatch might have changed.
 753         (GTM::gtm_thread::number_of_threads_changed): Initialize
 754         default_dispatch here.
 755
 756 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 757             Patrick Marlier  <patrick.marlier@gmail.com>
 758
 759         PR libitm/52220
 760         * alloc_cpp.cc: No dummy definitions for darwin.
 761         * eh_cpp.cc: Likewise.
 762
 763 2012-02-14  Richard Henderson  <rth@redhat.com>
 764
 765         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 766
 767 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 768
 769         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 770
 771 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 772
 773         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 774         (GTM::gtm_thread): Add read and write logs.
 775         (GTM::dispatch_ml_wt): Declare.
 776         * retry.cc (parse_default_method): Support ml_wt.
 777         * method-ml.cc: New file.
 778         * Makefile.am: Add method-ml.cc.
 779         * Makefile.in: Regenerate.
 780
 781 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 782
 783         * dispatch.h (GTM::abi_dispatch::supports): New.
 784         (GTM::method_group::reinit): New.
 785         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 786         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 787         supports the current situation.
 788
 789 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 790
 791         * util.cc (GTM::xcalloc): New.
 792         * common.h (GTM::xcalloc): Declare.
 793
 794 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 795
 796         * config/sparc/target.h (cpu_relax): Read from CC register.
 797         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 798
 799 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 800
 801         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 802
 803 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 804
 805         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 806         * config/sparc/cacheline.h: New file.
 807         * config/sparc/target.h: Likewise.
 808         * config/sparc/sjlj.S: Likewise.
 809         * config/linux/sparc/futex_bits.h: Likewise.
 810
 811 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 812
 813         * configure.ac (link_itm): Fix comment.
 814         * configure: Regenerate.
 815         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 816
 817 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 818
 819         PR libitm/51822
 820         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 821         Correct libgomp references.
 822
 823 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 824
 825         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 826         wake-up.
 827
 828 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 829
 830         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 831         end of structure.
 832         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 833         offset values.  Do not copy return address.  Decrement stack
 834         by 56 bytes only.
 835         (GTM_longjump) [__x86_64__]: Update offset values.
 836
 837 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 838
 839         PR libitm/51830
 840         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 841         the first function argument to %eax.
 842
 843 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 844
 845         * libitm.h (_ITM_getThreadnum): Remove.
 846         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 847
 848 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 849
 850         * clearcap.map: New file.
 851         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 852         * configure.ac: Call it.
 853         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 854         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 855         * configure: Regenerate.
 856         * Makefile.in: Regenerate.
 857         * testsuite/Makefile.in: Regenerate.
 858
 859 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 860
 861         PR libitm/51173
 862         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 863         include, exclude options.
 864
 865 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 866
 867         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 868         rolling back.
 869         * containers.h (GTM::vector::set_size): New.
 870
 871 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 872
 873         PR libitm/51855
 874         * config/generic/tls.h (GTM::mask_stack_top): New.
 875         (GTM::mask_stack_bottom): Declare.
 876         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 877         * local.cc (gtm_undolog::rollback): Filter out any updates that
 878         overlap the libitm stack.  Add current transaction as parameter.
 879         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 880         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 881         * testsuite/libitm.c/stackundo.c: New test.
 882
 883 2012-01-10  Richard Henderson  <rth@redhat.com>
 884
 885         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 886         * eh_cpp.cc (_Unwind_DeleteException): Define for
 887         !HAVE_ELF_STYLE_WEAKREF.
 888
 889 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 890
 891         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 892         (GTM::gtm_thread::drop_references_undolog): Remove.
 893         (GTM::gtm_thread::commit_undolog,
 894         GTM::gtm_thread::rollback_undolog): Move to ...
 895         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 896         (GTM::gtm_undolog_entry): Remove.
 897         (GTM::gtm_thread): Adapt.
 898         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 899         (GTM::gtm_thread::trycommit): Adapt.
 900         * method-serial.cc (serial_dispatch::log): Adapt.
 901         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 902         (gl_wt_dispatch::store): Fix likely/unlikely.
 903         * containers.h (GTM::vector::resize): Add additional_capacity
 904         parameter and handle it.
 905         (GTM::vector::resize_noinline): New/adapt.
 906         (GTM::vector::push): New.
 907
 908 2012-01-06  Richard Henderson  <rth@redhat.com>
 909
 910         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 911         * config/linux/powerpc/futex_bits.h: New file.
 912         * config/powerpc/cacheline.h: New file.
 913         * config/powerpc/sjlj.S: New file.
 914         * config/powerpc/target.h: New file.
 915         * config/generic/asmcfi.h (cfi_offset): New.
 916         (cfi_restore, cfi_undefined): New.
 917
 918 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 919
 920         PR other/51171
 921         * testsuite/libitm.c/reentrant.c: Remove xfail.
 922         (thread): Pass x to pure().
 923         From Patrik Marlier <patrick.marlier@gmail.com>.
 924
 925 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 926
 927         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 928         privatization safety if already in serial mode.
 929
 930 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 931
 932         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 933         finish_serial_upgrade parameter.
 934         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 935         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 936         Don't unset reader flag.
 937         (GTM::gtm_rwlock::write_upgrade_finish): New.
 938         * config/posix/rwlock.cc: Same.
 939         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 940         Declare.
 941         * config/posix/rwlock.h: Same.
 942         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 943         flag after commit or after rollback when restarting.
 944
 945 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 946
 947         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 948         (GTM::gtm_thread::try_commit): Changed memory order.
 949         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 950         as parameter.
 951         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 952         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 953         * config/linux/futex_bits.h (sys_futex0): Same.
 954         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 955         * config/linux/futex.h (futex_wait, futex_wake): Same.
 956         * config/linux/rwlock.h (gtm_rwlock::writers,
 957         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 958         ints.
 959         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 960         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 961         gtm_rwlock::write_unlock): Fix memory orders and fences.
 962         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 963         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 964         gtm_rwlock::write_unlock): Same.
 965         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 966         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 967         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 968         Add comments.
 969         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 970         gl_wt_dispatch::load, gl_wt_dispatch::store,
 971         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 972         orders and fences.  Add comments.
 973
 974 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 975
 976         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 977         * Makefile.in: Regenerated.
 978
 979 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 980
 981         * configure.tgt: Add sh* case.
 982         * config/sh/target.h: New file.
 983         * config/sh/sjlj.S: New file.
 984         * config/linux/sh/futex_bits.h: New file.
 985
 986 2011-12-14  Richard Henderson  <rth@redhat.com>
 987
 988         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 989         * config/arm/sjlj.S, config/arm/target.h: New files.
 990         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 991         (cfi_rel_offset): New.
 992         * config/linux/futex_bits.h: New file.
 993         * config/linux/futex.cc: Include futex_bits.h here...
 994         * config/linux/futex.h: ... not here.
 995         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 996         * configure.ac (ARCH_AM): New conditional.
 997         * Makefile.in, configure: Rebuild.
 998         * configure.tgt: Handle ARM.
 999
1000 2011-12-13  Richard Henderson  <rth@redhat.com>
1001
1002         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1003         signed/unsigned comparison werror.
1004
1005         * local_atomic: New file.
1006         * libitm_i.h: Include it.
1007         (gtm_thread::shared_state): Use atomic template.
1008         * beginend.cc (GTM::gtm_clock): Use atomic template.
1009         (global_tid): Use atomic template if 64-bit atomics available.
1010         (gtm_thread::gtm_thread): Update shared_state access.
1011         (gtm_thread::trycommit): Likewise.
1012         (choose_code_path): Update global_tid access.
1013         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1014         * stmlock.h (GTM::gtm_clock): Use atomic template.
1015         (gtm_get_clock, gtm_inc_clock): Update accesses.
1016         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1017         redundant __sync_synchronize after atomic shared_state access.
1018         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1019         (gtm_rwlock::write_lock_generic): Likewise.
1020         (gtm_rwlock::read_unlock): Likewise.
1021         * config/alpha/target.h (atomic_read_barrier): Remove.
1022         (atomic_write_barrier): Remove.
1023         * config/x86/target.h (atomic_read_barrier): Remove.
1024         (atomic_write_barrier): Remove.
1025
1026 2011-11-30  Richard Henderson  <rth@redhat.com>
1027
1028         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1029         * beginend.c (_ITM_abortTransaction): Update to match.
1030         (GTM::gtm_thread::restart): Likewise.
1031         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1032         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1033
1034 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1035
1036         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1037         * Makefile.in: Regenerate.
1038
1039 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1040
1041         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1042         * alloc_cpp.cc: Generate dummy functions if we don't
1043         HAVE_ELF_STYLE_WEAKREF.
1044         * eh_cpp.cc: Likewise.
1045         * configure: Regenerate.
1046         * aclocal.m4:  Likewise.
1047         * config.h.in: Likewise.
1048         * Makefile.in: Likewise.
1049         * testsuite/Makefile.in: Likewise.
1050
1051 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1052
1053         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1054         __USER_LABEL_PREFIX__ for targets that use it.
1055         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1056         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1057         in portability to non-elf targets.
1058         (GTM_longjmp): Likewise.
1059         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1060         where required.
1061
1062 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1063
1064         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1065         * testsuite/libitm.c/memset-1.c: Likewise.
1066
1067 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1068
1069         * configure: Regenerate.
1070
1071 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1072
1073         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1074         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1075         * Makefile.am: Handle sun style versioning.
1076         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1077         * configure: Regenerate.
1078         * Makefile.in: Regenerate.
1079
1080 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081
1082         * config/generic/asmcfi.h: Fix comment.
1083         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1084         sequence without .hidden support, error for non-ELF targets.
1085         (GTM_longjmp) [__ELF__]: Only use .hidden if
1086         HAVE_ATTRIBUTE_VISIBILITY.
1087
1088 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1089
1090         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1091         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1092         Dummy functions.
1093         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1094         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1095
1096 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1097
1098         PR bootstrap/51098
1099         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1100         * configure: Regenerate.
1101
1102 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1103
1104         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1105
1106 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1107
1108         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1109         .hidden.
1110         (.note.GNU-stack): Only use if __linux__.
1111         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1112         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1113         * testsuite/libitm.c/reentrant.c: Likewise.
1114         * testsuite/libitm.c/simple-2.c: Likewise.
1115         * testsuite/libitm.c/txrelease.c: Likewise.
1116         * testsuite/libitm.c++/static_ctor.C: Likewise.
1117
1118 2011-11-10  Richard Henderson  <rth@redhat.com>
1119
1120         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1121         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1122         * configure.ac (ARCH_X86_AVX): New conditional.
1123         * Makefile.in, configure: Rebuild.
1124
1125 2011-11-09  Richard Henderson  <rth@redhat.com>
1126
1127         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1128         * configure.ac: Use it.
1129         * config.h.in, configure: Rebuild.
1130         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1131
1132 2011-11-09  Richard Henderson  <rth@redhat.com>
1133
1134         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1135         * config/alpha/unaligned.h: Remove file.
1136         * config/generic/unaligned.h: Remove file.
1137         * config/x86/unaligned.h: Remove file.
1138         * config/generic/cachepage.h: Remove file.
1139         * config/posix/cachepage.cc: Remove file.
1140         * config/generic/cacheline.cc: Remove file.
1141         * config/x86/cacheline.cc: Remove file.
1142         * config/generic/cacheline.h (gtm_cacheline): Remove the
1143         store_mask, copy_mask, copy_mask_wb methods.
1144         * config/x86/cacheline.h: Likewise.
1145         * config/alpha/cacheline.h: Fall back to generic after setting size.
1146         * config/generic/tls.cc (gtm_mask_stack): Remove.
1147         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1148         (GTM_vpalignr_table): Remove.
1149         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1150         (GTM_pshift_table): Remove.
1151         * config/libitm_i.h: Don't include cachepage.h.
1152         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1153         * Makefile.in, testsuite/Makefile.in: Rebuild.
1154
1155 2011-11-09  Richard Henderson  <rth@redhat.com>
1156
1157         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1158         to emit branch prediction hint.
1159
1160         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1161         Protect .note.GNU-stack with __linux__.
1162
1163         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1164         * configure, aclocal.m4, config.h.in: Rebuild.
1165         * config/generic/asmcfi.h: New file.
1166         * config/x86/sjlj.S: Use it.
1167
1168 2011-11-08  Richard Henderson  <rth@redhat.com>
1169
1170         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1171
1172 2011-11-08  Richard Henderson  <rth@redhat.com>
1173
1174         * configure.tgt: Test correct directory for supported cpus.
1175
1176         * configure.ac: Exit if unsupported.
1177         * configure: Rebuild.
1178         * configure.tgt: Delete boilerplate from libgomp for unsupported
1179         targets.  Set UNSUPPORTED for unsupported targets.
1180
1181 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1182
1183         * configure.tgt: Handle i386 like i[456]86.
1184         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1185         take address.
1186         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1187         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1188
1189 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1190
1191         * method-wbetl.cc: Update copyright notice.
1192         * aatree.cc: Same.
1193         * util.cc: Same.
1194         * libitm.h: Same.
1195         * memset.cc: Same.
1196         * eh_cpp.cc: Same.
1197         * barrier.tpl: Same.
1198         * useraction.cc: Same.
1199         * stmlock.h: Same.
1200         * memcpy.cc: Same.
1201         * common.h: Same.
1202         * config/generic/tls.cc: Same.
1203         * config/generic/cacheline.h: Same.
1204         * config/generic/cachepage.h: Same.
1205         * config/generic/cacheline.cc: Same.
1206         * config/generic/unaligned.h: Same.
1207         * config/x86/cacheline.h: Same.
1208         * config/x86/cacheline.cc: Same.
1209         * config/x86/unaligned.h: Same.
1210         * config/alpha/cacheline.h: Same.
1211         * config/alpha/unaligned.h: Same.
1212         * config/alpha/sjlj.S: Same.
1213         * config/posix/cachepage.cc: Same.
1214         * config/linux/futex.h: Same.
1215         * config/linux/alpha/futex_bits.h: Same.
1216
1217 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1218
1219         * libitm.texi: No cover text and invariant sections.
1220
1221 2011-11-03  Richard Henderson  <rth@redhat.com>
1222
1223         * local_type_traits: New file.
1224         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1225
1226 2011-11-03  Richard Henderson  <rth@redhat.com>
1227
1228         * configure.ac: Don't test for gfortran.
1229         * configure: Rebuild.
1230
1231         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1232         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1233
1234 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1235
1236         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1237         * testsuite/libitm.c/memset-1.c: Same.
1238         * testsuite/libitm.c/c.exp: Same.
1239         * testsuite/lib/libitm-dg.exp: Same.
1240         * testsuite/lib/libitm.exp: Same.
1241         * testsuite/libitm.c++/c++.exp: Same.
1242
1243 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1244
1245         * testsuite/config/default.exp: Update copyright date.
1246         * configure.ac: Add copyright info.
1247         * configure.tgt: Same.
1248
1249 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1250
1251         * testsuite/libitm.c/reentrant.c: XFAIL.
1252         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1253
1254 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1255
1256         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1257         handle aborts.
1258         (_ITM_abortTransaction): Handle aborts of outer transactions.
1259         * libitm_i.h: Same.
1260         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1261         * libitm.texi: Document aborts of outer transactions.
1262         * testsuite/libitm.c/cancel.c: New file.
1263
1264 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1265
1266         * testsuite/*: Change __transaction to __transaction_atomic or
1267         __transaction_relaxed.
1268
1269 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1270
1271         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1272         (gtm_thr): Same.
1273
1274 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1275
1276         * libitm_i.h: Add gl_wt dispatch.
1277         * retry.cc (parse_default_method): Same.
1278         * method-gl.cc: New file.
1279         * Makefile.am: Use method-gl.cc.
1280         * Makefile.in: Rebuild.
1281
1282 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1283
1284         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1285         safety if requested by a TM method.
1286         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1287         privatization safety.
1288         * method-serial.cc: Same.
1289
1290 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1291
1292         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1293         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1294         undolog-related member functions from *_local to *_undolog.
1295         * local.cc (gtm_thread::commit_undolog): Same.
1296         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1297         (GTM::gtm_thread::rollback): Roll back undolog before
1298         dispatch-specific rollback.
1299
1300 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1301
1302         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1303         re-initialization of the current method group.
1304         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1305
1306 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1307
1308         * alloc.cc (commit_allocations_2): Do not free transaction-local
1309         memory when committing a nested transaction.
1310
1311 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1312
1313         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1314         serial-irrevocable dispatch, not serial.
1315
1316 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1317
1318         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1319         declarations.
1320         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1321         * method-serial.cc: Implement begin_or_restart().
1322         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1323         dispatch-specific begin_or_restart().
1324         (GTM::gtm_thread::restart): Same.
1325
1326 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1327
1328         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1329         restarting without switching to serial mode.
1330         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1331         transaction state. Choose closed-nesting alternative if available.
1332         (GTM::gtm_thread::set_default_dispatch): New.
1333         (parse_default_method): New.
1334         (GTM::gtm_thread::number_of_threads_changed): New.
1335         * method-serial.cc (GTM::serial_mg): New method group class.
1336         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1337         fini.
1338         (GTM::serial_dispatch): Same.
1339         (GTM::serialirr_onwrite_dispatch): Same.
1340         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1341         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1342         registered threads.
1343         (GTM::gtm_thread::gtm_thread): Same.
1344         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1345         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1346         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1347         choose dispatch but set state according to dispatch here.
1348         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1349         (GTM::method_group): New class.
1350         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1351         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1352         * libitm.texi: Document TM methods, method groups, method life cycle.
1353         Rename method sets to method groups.
1354
1355 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1356
1357         * config/x86/tls.h: Moved to ...
1358         * config/linux/x86/tls.h: ... here.
1359
1360 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1361
1362         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1363         Add X32 support.
1364         * config/x86/sjlj.S: Same.
1365
1366 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1367
1368         * config/linux/rwlock.h: New file.
1369         * config/linux/rwlock.c: New file.
1370         * configure.ac: Reenable futex support (undo SVN rev 157758).
1371         * Makefile.am: Same.
1372         * configure.tgt: Same.
1373         * config/linux/alpha/futex_bits.h: Same.
1374         * config/linux/futex.h: Same. Return number of woken processes.
1375         * config/linux/futex.cc: Same.
1376         (futex_wait): Remove spinning.
1377         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1378         Use __x86_64__ instead of __LP64__.
1379         * aclocal.m4: Include generic futex checks.
1380         * configure: Rebuild.
1381         * Makefile.in: Rebuild.
1382         * testsuite/Makefile.in: Rebuild.
1383         * beginend.cc: Include pthread.h.
1384         * config/posix/cachepage.cc: Same.
1385
1386 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1387
1388         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1389         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1390         (set_gtm_thr): New.
1391         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1392         (set_gtm_thr): New.
1393         (GTM::gtm_thread::thread_num): Removed.
1394         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1395         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1396         tx-to-thread renaming.
1397         * beginend.cc: Adapted to tx-to-thread renaming.
1398         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1399         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1400         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1401         gtm_transaction to gtm_thread.
1402         (_ITM_getThreadnum): Removed. Not supported anymore.
1403         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1404         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1405         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1406         gtm_tx-to-gtm_thr renaming if necessary.
1407         * eh_cpp.cc: Same.
1408         * local.cc: Same.
1409         * retry.cc: Same.
1410         * clone.cc: Same.
1411         * alloc.cc: Same.
1412         * alloc_c.cc: Same.
1413         * alloc_cpp.cc: Same.
1414         * method-serial.cc: Same.
1415         * config/generic/tls.cc: Same.
1416         * config/posix/rwlock.h (gtm_rwlock): Same.
1417         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1418
1419 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1420
1421         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1422         implementation.
1423         (gtm_rwlock::read_unlock): Same.
1424         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1425         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1426         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1427         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1428         w_upgrade. Replaced by per-transaction flags (in shared_state).
1429         Added c_confirmed_writers.
1430         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1431         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1432         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1433         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1434         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1435         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1436         * libitm.texi: Document locking conventions and implementations in
1437         libitm.
1438
1439 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1440
1441         * libitm_i.h (next_tx): Add list of all threads' transaction.
1442         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1443         transaction with list of transactions and ...
1444         (thread_exit_handler): ... deregister here.
1445         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1446         * config/x86/target.h: Same.
1447
1448 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1449
1450         * testsuite/libitm.c++/static_ctor.C: New file.
1451
1452 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1453
1454         * testsuite/libitm.c/reentrant.c: New file.
1455
1456 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1457
1458         * config/generic/tls.h: Remove the free list for transactions and ...
1459         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1460         (GTM::gtm_transaction::operator delete): ... and release here.
1461         (thread_exit_handler): New. Delete tx when thread terminates.
1462         (thread_exit_init): New.
1463         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1464         * testsuite/libitm.c/txrelease.c: New file.
1465
1466 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1467
1468         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1469         * testsuite/libitm.c/notx.c: New file.
1470
1471 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1472
1473         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1474         * libitm_i.h (local_tid): ... to here.
1475         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1476         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1477
1478 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1479
1480         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1481         serialirr_onwrite_dispatch as new default for now.
1482         * method-serial.cc (serialirr_onwrite_dispatch): New.
1483         (GTM::dispatch_serialirr_onwrite): New.
1484         * libitm_i.h: Same.
1485
1486 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1487
1488         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1489         * query.cc (_ITM_getTransactionId): There is no active transaction if
1490         the current nesting level is zero.
1491
1492 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1493
1494         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1495         rollback.
1496
1497 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1498
1499         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1500         transaction properties from the caller instead of from the
1501         transaction object.
1502         * libitm_i.h: Same.
1503         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1504
1505 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1506
1507         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1508         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1509         * dispatch.h: Same.
1510         * method-serial.cc: Same.
1511         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1512         flat nesting as default, and closed nesting on demand.
1513         (GTM::gtm_transaction::rollback): Same.
1514         (_ITM_abortTransaction): Same.
1515         (GTM::gtm_transaction::restart): Same.
1516         (GTM::gtm_transaction::trycommit): Same.
1517         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1518         (choose_code_path): New.
1519         (GTM::gtm_transaction_cp::save): New.
1520         (GTM::gtm_transaction_cp::commit): New.
1521         * query.cc (_ITM_inTransaction): Support flat nesting.
1522         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1523         (GTM::gtm_transaction): Support flat and closed nesting.
1524         * alloc.cc (commit_allocations_2): New.
1525         (commit_cb_data): New helper struct.
1526         (GTM::gtm_transaction::commit_allocations): Handle nested
1527         commits/rollbacks.
1528         * libitm.texi: Update user action section, add description of nesting.
1529
1530 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1531
1532         * libitm_i.h: Add closed nesting as restart reason.
1533         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1534
1535 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1536
1537         * useraction.cc: Use vector instead of list to store actions.
1538         Also support partial rollbacks for closed nesting.
1539         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1540         * beginend.cc: Same.
1541
1542 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1543
1544         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1545         closed_nesting flags, as well as a closed nesting alternative.
1546         * method-serial.cc: Same.
1547         (serial_dispatch): Renamed to serialirr_dispatch.
1548         (GTM::dispatch_serialirr): Same.
1549         (serial_dispatch_ul): Renamed to serial_dispatch.
1550         (GTM::dispatch_serial): Same.
1551
1552 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1553
1554         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1555
1556 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1557
1558         * aatree.h (aa_tree::remove): New.
1559         (aa_tree::operator new): Add placement new.
1560
1561 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1562
1563         * containers.h: New file.
1564         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1565         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1566         * common.h: ... to here.
1567         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1568         * local.cc: Same.
1569
1570 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1571
1572         * libitm_i.h (STATE_ABORTING): Remove.
1573         * beginend.cc (_ITM_abortTransaction): Same.
1574         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1575         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1576         (_ITM_rollbackTransaction): Remove.
1577         * beginend.cc: Same.
1578         * libitm.map: Same.
1579         * libitm.texi: Document these ABI changes.
1580
1581 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1582
1583         * libitm.texi: New file.
1584         * Makefile.am: Add libitm.texi.
1585         * Makefile.in: Rebuild.
1586
1587 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1588
1589         * libitm_i.h: Move parts to common.h and dispatch.h.
1590         * common.h: New file.
1591         * dispatch.h: New file, new dispatch class.
1592         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1593         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1594         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1595         decision to retry.cc.
1596         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1597         only.
1598         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1599         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1600         logging.
1601         * barrier.cc: Use new barriers definitions.
1602         (abi_dispatch::memmove_overlap_check): New.
1603         * config/x86/x86_sse.cc: Same.
1604         * config/x86/x86_avx.cc: Same.
1605         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1606         memcpy.cc.
1607         * Makefile.in: Rebuild.
1608         * method-readonly.cc: Remove.
1609         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1610         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1611
1612 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1613
1614         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1615         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1616         * testsuite/libitm.c/dropref-2.c: Same.
1617         * testsuite/libitm.c/dropref.c: Same.
1618
1619 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1620
1621         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1622         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1623         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1624         * alloc_c.cc: Same.
1625         * barrier.tpl: Same.
1626         * beginend.c: Same.
1627         * config/generic/tls.h: Same.
1628         * config/x86/tls.h: Same.
1629         * libitm_i.h: Same.
1630         * memcpy.cc: Same.
1631         * memset.cc: Same.
1632         * method-readonly.cc: Same.
1633         * method-serial.cc: Same.
1634         * method-wbetl.cc: Same.
1635         * retry.cc: Same.
1636
1637 2011-03-03  Richard Henderson  <rth@redhat.com>
1638
1639         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1640         From Patrik Marlier <patrick.marlier@unine.ch>.
1641
1642 2011-02-03  Richard Henderson  <rth@redhat.com>
1643
1644         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1645         * configure.ac: Use it.
1646         * configure, config.h.in: Rebuild.
1647         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1648         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1649         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1650         * libitm.map: Use wildcards to match size_t mangling.
1651
1652 2010-12-14  Richard Henderson  <rth@redhat.com>
1653
1654         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1655         blocks of TIDs per thread.
1656         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1657         (setup_gtm_thr): Return the thread structure.
1658         * config/x86/tls.h (setup_gtm_thr): Likewise.
1659
1660 2010-12-14  Richard Henderson  <rth@redhat.com>
1661
1662         * clone.cc (table_lock): Remove.
1663         (find_clone): Don't take it.
1664         (ExcludeTransaction): New helper class.
1665         (_ITM_registerTMCloneTable): Use it.
1666         (_ITM_deregisterTMCloneTable): Likewise.
1667
1668 2010-12-14  Richard Henderson  <rth@redhat.com>
1669
1670         * config/x86/tls.h: New file.
1671
1672 2010-07-15  Richard Henderson  <rth@redhat.com>
1673
1674         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1675         * Makefile.in: Rebuild.
1676
1677 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1678
1679         * method-wbetl.cc (trydropreference): Fix source line.
1680
1681 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1682
1683         * libitm.h: Add comment.
1684         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1685
1686 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1687
1688         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1689         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1690         available, use pthread mutexes.
1691         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1692         * config.h.in: Regenerate.
1693         * configure: Regenerate.
1694
1695 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1696
1697         * libitm.h (ITM_PURE): Define.
1698         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1699
1700 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1701
1702         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1703         (validate): Add comment.
1704         (trydropreference): New.
1705         * method-readonly.cc (class readonly_dispatch): Add
1706         trydropreference.
1707         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1708         Call trydropreference().
1709         * libitm.h (_ITM_dropReferences): Remove const attribute.
1710         * method-serial.cc (class serial_dispatch): Add trydropreference.
1711         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1712
1713 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1714
1715         * memcpy.cc (do_memcpy): Comment.
1716
1717 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1718
1719         * barrier.tpl: Add comments throughout.
1720
1721 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1722
1723         * method-wbetl.cc (struct w_entry): Add comments.
1724         (trycommit): Same.
1725         (rollback): Same.
1726
1727 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1728
1729         * alloc_c.cc (_ITM_dropReferences): New.
1730         * libitm.map (_ITM_dropReferences): Add.
1731         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1732         * libitm_i.h (struct gtm_transaction): Declare
1733         drop_references_allocations and drop_references_local.
1734         * local.cc (rollback_local): Ignore memory when applicable.
1735         (drop_references_local): New.
1736
1737 2010-06-23  Richard Henderson  <rth@redhat.com>
1738
1739         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1740         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1741         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1742         * config/alpha/target.h: Likewise.
1743         * config/generic/tls.cc (gtm_mask_stack): Use it.
1744
1745 2010-06-23  Richard Henderson  <rth@redhat.com>
1746
1747         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1748         a mutex instead of trying a lock-free compare-and-swap on the list.
1749         (gtm_cacheline_page::operator delete): Likewise.
1750
1751 2010-06-16  Richard Henderson  <rth@redhat.com>
1752
1753         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1754         that overlap the libitm stack.
1755         * barrier.tpl: Mark incoming stack.
1756         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1757         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1758         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1759         * memcpy.cc, memset.cc: Likewise.
1760         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1761         * config/generic/tls.h (gtm_thread): Add stack_top member.
1762         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1763         * libitm_i.h (gtm_mask_stack): Declare.
1764         * config/generic/tls.cc: New file.
1765         * Makefile.am (libitm_la_SOURCES): Add it.
1766         (AM_CXXFLAGS): Turn off exceptions.
1767         * Makefile.in: Rebuild.
1768
1769 2010-06-16  Richard Henderson  <rth@redhat.com>
1770
1771         * alloc.cc (struct gtm_alloc_action): Move definition ...
1772         * libitm_i.h: ... here.
1773         (class gtm_transaction): Declare new and delete.
1774         * beginend.cc (alloc_tx): Reformulate as operator new.
1775         (free_tx): Reformulate as operator delete.
1776         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1777
1778 2010-06-11  Richard Henderson  <rth@redhat.com>
1779
1780         * clone.cc (clone_entry_compare): Fix typo.
1781         From Patrik Marlier <patrick.marlier@unine.ch>.
1782
1783 2010-05-13  Richard Henderson  <rth@redhat.com>
1784
1785         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1786         in extern "C".
1787
1788 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1789
1790         * libitm_i.h (struct gtm_transaction): Remove
1791         get_allocation_size.
1792         (record_allocation): Remove size parameter.
1793         * libitm.map (_ITM_realloc): Remove.
1794         * alloc_c.cc (_ITM_realloc): Remove.
1795         (_ITM_malloc): Remove size argument to record_allocation.
1796         (_ITM_calloc): Same.
1797         * alloc_cpp.cc (_ZGTtnwm): Same.
1798         (_ZGTtnwmRKSt9nothrow_t): Same.
1799         (_ZGTtnam): Same.
1800         (_ZGTtnamRKSt9nothrow_t): Same.
1801         * alloc.cc (struct gtm_alloc_action): Remove size.
1802         (get_allocation_size): Remove.
1803         (commit_allocations): Add comment.
1804         (record_allocation): Remove size parameter.
1805         (forget_allocation): Remove set of size.
1806
1807 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1808
1809         * Makefile.am (abi_version): New.
1810         (AM_CXXFLAGS): Pass abi_version.
1811         * Makefile.in: Regenerate.
1812         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1813
1814 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1815
1816         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1817         _ITM_getTMCloneOrIrrevokable.
1818         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1819         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1820
1821 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1822
1823         * configure.ac: Remove Linux futex support.
1824         * configure.tgt (config_path): Same.
1825         * Makefile.am: Same.
1826         * config/linux: Remove entire directory.
1827         * configure: Rebuild.
1828         * Makefile.in: Rebuild.
1829         * testsuite/Makefile.in: Rebuild.
1830
1831 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1832
1833         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1834         switching to serial mode.
1835         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1836
1837 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1838
1839         * configure.tgt: Add emacs -*- tags.
1840         * barrier.tpl: Same.
1841
1842 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1843
1844         * Makefile.am: Rename serial.cc to method-serial.cc.
1845         * Makefile.in: Regenerate with automake 1.11.1.
1846         * testsuite/Makefile.in: Same.
1847         * aclocal.m4: Regenerate with aclocal 1.11.1.
1848         * method-serial.cc: Rename from serial.cc.
1849         * libitm_i.h (struct gtm_transaction): Update comment on
1850         serialirr_mode.
1851
1852 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1853
1854         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1855         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1856
1857 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1858
1859         * configure: Rebuild.
1860
1861 2009-11-12  Richard Henderson  <rth@redhat.com>
1862
1863         * Rewrite everything in C++.
1864
1865 2009-11-03  Richard Henderson  <rth@redhat.com>
1866
1867         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1868         * Makefile.am (libitm_la_SOURCES): Add them.
1869         * configure.ac (ARCH_X86): New conditional.
1870         * Makefile.in, configure: Rebuild.
1871         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1872         Move futex setup into "other system configury" case.
1873         * local.c (rollback_local): Merge into ...
1874         (GTM_rollback_local): ... here.
1875         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1876         (_ITM_LB): Define as an alias to GTM_LB.
1877
1878 2009-11-03  Richard Henderson  <rth@redhat.com>
1879
1880         * method-readonly.c: New file.
1881         * Makefile.am (libitm_la_SOURCES): Add it.
1882         * Makefile.in: Rebuild.
1883         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1884         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1885         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1886         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1887         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1888         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1889         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1890         gtm_get_clock, gtm_inc_clock): New.
1891         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1892         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1893         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1894         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1895         replace uses with new libitm_i.h symbols.
1896         (dispatch_wbetl): Rename from wbetl_dispatch.
1897         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1898         away from dispatch_readonly; abort if the beginTransaction call
1899         asserted that the transaction was readonly.
1900
1901 2009-11-03  Richard Henderson  <rth@redhat.com>
1902
1903         * memset.c: New file.
1904         * Makefile.am (libitm_la_SOURCES): Add it.
1905         * Makefile.in: Rebuild.
1906         * testsuite/libitm.c/memset-1.c: New.
1907
1908 2009-11-03  Richard Henderson  <rth@redhat.com>
1909
1910         * dispatch.c: Remove file.
1911         * useraction.c (struct gtm_user_action): Move from libitm.h.
1912         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1913         (serial_memset, serial_memmove, serial_memcpy): Remove.
1914         (serial_W*, serial_R*): Remove.
1915         (serial_dispatch): Update to match.
1916         * configure.ac: Move Werror down below configure checks.  Don't
1917         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1918         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1919         Use GCC_AC_FUNC_MMAP_BLACKLIST
1920         * libitm.h: Split out all internal items to...
1921         * libitm_i.h: ... here.  New file.
1922         * copymask.c: New file.
1923         * local.c (struct gtm_local_undo): Move from libitm.h.
1924         (GTM_alloc_local): Rename from alloc_local; export.
1925         * memcpy.c: New file.
1926         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1927         * config/posix/page.c: New file.
1928         * config/posix/target_tls.h: Remove file.
1929         * barrier.c: New file.
1930         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1931         copymask.c, page.c.
1932         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1933         * method-wbetl.c: Rewrite for new cacheline methods.
1934         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1935
1936         * config/alpha/sjlj.S: Fix typo.
1937         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1938         * config/alpha/copymask.c: New file.
1939         * config/alpha/target.h (CACHELINE_SIZE): New.
1940         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1941
1942         * config/x86/target_i.h: Copy functions from x86/target.h.
1943         * config/x86/copymask.c: New file.
1944         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1945         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1946         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1947         * config/x86/target_tls.h: Move contents to target_i.h.
1948
1949         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1950         * testsuite/libitm.c/memcpy-1.c: New.
1951
1952 2009-10-22  Richard Henderson  <rth@redhat.com>
1953
1954         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1955         (AM_CCASFLAGS): New.
1956         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1957         saving/restoring _AC_ARG_VAR_PRECIOUS.
1958         * Makefile.in, aclocal.m4, config.h.in, configure,
1959         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1960
1961 2009-10-22  Richard Henderson  <rth@redhat.com>
1962
1963         * testsuite/*: Update for new compiler syntax.
1964
1965 2009-10-21  Richard Henderson  <rth@redhat.com>
1966
1967         * libitm.h (_ITM_abortReason): Add outerAbort.
1968
1969 2009-08-03  Richard Henderson  <rth@redhat.com>
1970
1971         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1972         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1973         * method-wbetl.c (struct w_entry): Remove mask.
1974         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1975         adjust all callers.
1976
1977 2009-07-22  Richard Henderson  <rth@redhat.com>
1978
1979         * eh_cpp.c: New file.
1980         * Makefile.am (libitm_la_SOURCES): Add it.
1981         * Makefile.in: Rebuild.
1982         * beginend.c (GTM_rollback_transaction): Undo exception state.
1983         (GTM_trycommit_transaction): Mark inline.
1984         (GTM_trycommit_and_finalize_transaction): Split out from ...
1985         (_ITM_commitTransaction): ... here.
1986         (_ITM_commitTransactionEH): New function.
1987         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1988         cxa_unthrown, eh_in_flight; reorder.
1989
1990         * testsuite/libitm.c++/c++.exp: New.
1991         * testsuite/libitm.c++/eh-1.C: New.
1992
1993         * aatree.c (aa_free): Remove REGPARM.
1994         * aatree.h: Remove all REGPARM.
1995
1996 2009-07-18  Richard Henderson  <rth@redhat.com>
1997
1998         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1999         * Makefile.am (libitm_la_SOURCES): Add them.
2000         * Makefile.in: Rebuild.
2001         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2002         (GTM_trycommit_transaction): Likewise.
2003         * libitm.h: Include aatree.h
2004         (struct gtm_alloc_action): New.
2005         (struct gtm_transaction): Add alloc_actions.
2006         (GTM_record_allocation, GTM_forget_allocation): Declare.
2007         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2008         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2009         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2010         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2011         _ZGTtdaPvRKSt9nothrow_t): Export.
2012
2013 2009-07-18  Richard Henderson  <rth@redhat.com>
2014
2015         * target_tls.h: Move ...
2016         * config/posix/target_tls.h: ... here.
2017
2018 2009-07-07  Richard Henderson  <rth@redhat.com>
2019
2020         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2021
2022 2009-07-07  Richard Henderson  <rth@redhat.com>
2023
2024         * Update to GPL3.
2025
2026 2009-07-07  Richard Henderson  <rth@redhat.com>
2027
2028         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2029         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2030
2031         * configure.tgt: Don't use -ftls-model for x86 linux.
2032         * libitm.h: Include target.h after standard includes.
2033         (_gtm_thr): Rename from gtm_thr.
2034         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2035         (gtm_disp, set_gtm_disp): New.
2036         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2037         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2038         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2039
2040 2009-07-07  Richard Henderson  <rth@redhat.com>
2041
2042         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2043
2044 2009-07-06  Richard Henderson  <rth@redhat.com>
2045
2046         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2047         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2048         (_ITM_beginTransaction): Take variadic arguments.
2049         (_ITM_registerThrownObject): Declare.
2050         * beginend.c, serial.c: Update.
2051         * libitm.map: Add _ITM_registerThrownObject.
2052
2053 2009-01-28  Richard Henderson  <rth@redhat.com>
2054
2055         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2056         * Makefile.in: Rebuild.
2057         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2058         (GTM_restart_transaction): Fix uninstrumented code check.
2059         * retry.c (GTM_decide_retry_strategy): Add serial check.
2060         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2061         automatically go irrevokable when in serial mode.
2062         * clone.c: New file.
2063         * libitm.h, libitm.map: Update.
2064
2065 2009-01-27  Richard Henderson  <rth@redhat.com>
2066
2067         * Makefile.am (LTCCASCOMPILE): Define.
2068         (libitm_la_SOURCES): Add methid-wbetl.c.
2069         * testsuite/Makefile.am: New
2070         * configure.ac: Add testsuite/Makefile.
2071         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2072         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2073         (_ITM_abortTransaction): Finalize implementation method; pass
2074         transaction properties to longjmp.
2075         (GTM_restart_transaction): Split out from ...
2076         (_ITM_commitTransaction): ... here.
2077         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2078         Move to config/x86/target.h.
2079         * config/linux/alpha/futex_bits.h: New.
2080         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2081         * config/x86/target.h: Disable target types for 32-bit.
2082         * config/alpha/sjlj.S, config/alpha/target.h: New.
2083         * libitm.h (struct gtm_dispatch): Add init, fini.
2084         (enum restart_reason): New.
2085         (struct gtm_transaction): Add method and restarts.
2086         * retry.c (GTM_decide_retry_strategy): Implement.
2087         * serial.c (serial_init, serial_fini): New.
2088         (GTM_serialmode): Finialize outgoing method.
2089         * method-wbetl.c: New.
2090
2091 2008-12-09  Richard Henderson  <rth@redhat.com>
2092
2093         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2094         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2095         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2096         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2097         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2098         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2099         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2100         * serial.c (serial_R##T, serial_W##T): Likewise.
2101
2102 2008-11-21  Richard Henderson  <rth@redhat.com>
2103
2104         * Initial commit.
2105 \f
2106 Copyright (C) 2008-2018 Free Software Foundation, Inc.
2107
2108 Copying and distribution of this file, with or without modification,
2109 are permitted in any medium without royalty provided the copyright
2110 notice and this notice are preserved.