libitm/ChangeLog

   1 2018-05-17  Jason Merrill  <jason@redhat.com>
   2
   3         * beginend.cc (save): Disable -Werror=deprecated-copy.
   4
   5 2018-05-02  Tom de Vries  <tom@codesourcery.com>
   6
   7         PR testsuite/85106
   8         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
   9
  10 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  11
  12         PR testsuite/85106
  13         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
  14
  15 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  16
  17         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  18         (__CET__ & 2) != 0 check for shadow stack.
  19         (GTM_longjmp): Likewise.
  20
  21 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  22
  23         * configure: Regenerated.
  24
  25 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
  26
  27         PR target/85489
  28         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
  29
  30 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
  31
  32         * configure: Regenerated.
  33
  34 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
  35
  36         PR jit/85384
  37         * configure: Regenerate.
  38
  39 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  40
  41         PR target/84148
  42         * configure: Regenerate.
  43
  44 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
  45
  46         Update copyright years.
  47
  48         * libitm.texi: Bump @copying's copyright year.
  49
  50 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  51
  52         * Makefile.in: Regenerate.
  53         * acinclude.m4: Add enable.m4 and cet.m4.
  54         * config/x86/sjlj.S: Include cet.h.
  55         (_ITM_beginTransaction): Add _CET_ENDBR.
  56         Save Shadow Stack pointer.
  57         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
  58         * config/x86/target.h (struct gtm_jmpbuf):
  59         Add new field for Shadow Stack pointer.
  60         * configure: Regenerate.
  61         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
  62         * configure.ac: Update libtool_VERSION for x86.
  63         * testsuite/Makefile.in: Regenerate.
  64
  65 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  66
  67         * libitm/config/x86/target.h: Add new field (ssp).
  68         * libitm/config/x86/sjlj.S: Change offsets.
  69
  70 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  71
  72         * testsuite/lib/libitm.exp: Load scanlang.exp.
  73
  74 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
  75
  76         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
  77
  78 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
  79
  80         PR other/79046
  81         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
  82         of cat to get version from BASE-VER file.
  83         * testsuite/Makefile.in: Regenerated.
  84
  85 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
  86
  87         * config/x86/target.h (htm_available): Determine vendor from
  88         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
  89
  90 2017-01-18  Torvald Riegel  <triegel@redhat.com>
  91
  92         * config/x86/target.h (htm_available): Add check for some processors
  93         on which TSX is broken.
  94
  95 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
  96
  97         PR other/79046
  98         * configure.ac: Add GCC_BASE_VER.
  99         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 100         get version from BASE-VER file.
 101         * testsuite/Makefile.in: Regenerated.
 102         * configure: Regenerated.
 103         * Makefile.in: Regenerated.
 104
 105 2017-01-04  Alan Modra  <amodra@gmail.com>
 106
 107         * Makefile.in: Regenerate.
 108         * testsuite/Makefile.in: Regenerate.
 109
 110 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 111
 112         Update copyright years.
 113
 114         * libitm.texi: Bump @copying's copyright year.
 115
 116 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 117
 118         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 119         * aclocal.m4: Regenerate.
 120         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 121         LIBITM_CHECK_LINKER_HWCAP.
 122
 123 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 124
 125         * configure: Regenerate.
 126
 127 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 128
 129         PR libitm/70456
 130         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 131         on cache line if requested.
 132
 133 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 134
 135         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 136         function attribute to disable floating point in begin_transaction() on
 137         S/390.
 138         * beginend.cc (begin_transaction): Use
 139         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 140
 141 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 142
 143         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 144         boundary.
 145         (htm_fastpath): Remove.
 146         (gtm_thread::begin_transaction): Fix HTM fastpath.
 147         (_ITM_commitTransaction): Adapt.
 148         (_ITM_commitTransactionEH): Adapt.
 149         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 150         and accessors.
 151         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 152         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 153         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 154         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 155         * libitm/method-serial.cc (htm_mg): Adapt.
 156         (gtm_thread::serialirr_mode): Adapt.
 157         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 158
 159 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 160
 161         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 162         or AIX.
 163
 164 2016-01-19  Richard Henderson  <rth@redhat.com>
 165
 166         PR bootstrap/69343
 167         PR bootstrap/69339
 168         Revert:
 169         2016-01-13  Richard Henderson  <rth@redhat.com>
 170
 171         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 172         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 173         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 174         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 175         * configure.ac (ARCH_AARCH64): New conditional.
 176         (ARCH_PPC, ARCH_S390): Likewise.
 177         * Makefile.in, configure: Rebuild.
 178
 179         * libitm.h (_ITM_TYPE_M128): Always define.
 180         * vect64.cc: Split ...
 181         * vect128.cc: ... out of...
 182         * config/x86/x86_sse.cc: ... here.
 183         * config/arm/neon.cc: New file.
 184
 185 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 186
 187         * local_type_traits: Remove file.
 188         * libitm_i.h: Don't include it anymore.
 189         (sized_integral): Remove.
 190
 191 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 192
 193         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 194         safety.
 195         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 196         * libitm/testsuite/libitm.c/priv-1.c: New.
 197
 198 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 199
 200         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 201
 202 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 203
 204         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 205         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 206         (gtm_rwlock::write_unlock): Likewise.
 207
 208 2016-01-13  Richard Henderson  <rth@redhat.com>
 209
 210         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 211         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 212         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 213         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 214         * configure.ac (ARCH_AARCH64): New conditional.
 215         (ARCH_PPC, ARCH_S390): Likewise.
 216         * Makefile.in, configure: Rebuild.
 217
 218         * libitm.h (_ITM_TYPE_M128): Always define.
 219         * vect64.cc: Split ...
 220         * vect128.cc: ... out of...
 221         * config/x86/x86_sse.cc: ... here.
 222         * config/arm/neon.cc: New file.
 223
 224 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 225
 226         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 227         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 228         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 229         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 230         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 231         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 232         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 233         (serialirr_dispatch::snapshot_most_recent): New.
 234         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 235
 236 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 237
 238         * libitm_i.h (gtm_mask_stack): Remove.
 239         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 240         * stmlock.h: Remove file.
 241         * config/alpha/cacheline.h: Likewise.
 242         * config/generic/cacheline.h: Likewise.
 243         * config/powerpc/cacheline.h: Likewise.
 244         * config/sparc/cacheline.h: Likewise.
 245         * config/x86/cacheline.h: Likewise.
 246
 247 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 248
 249         Update copyright years.
 250
 251         * libitm.texi: Bump @copying's copyright year.
 252
 253 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 254
 255         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 256         (ml_wt_dispatch::pre_write): Adapt.
 257         (ml_wt_dispatch::pre_load): Likewise.
 258
 259 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 260
 261         * libitm_i.h (gtm_alloc_action): Remove union.
 262         * testsuite/libitm.c/alloc-1.c: New.
 263
 264 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 265
 266         * testsuite/libitm.c++/eh-5.C: New.
 267         * libitm.h (_ITM_cxa_free_exception): New.
 268         * libitm.map (_ITM_cxa_free_exception): Add it.
 269         * libitm.texi: Update ABI docs.
 270         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 271         (gtm_transaction_cp::cxa_uncaught_count): Add.
 272         (gtm_thread::cxa_unthrown): Remove.
 273         (gtm_thread::cxa_uncaught_count_ptr): Add.
 274         (gtm_thread::cxa_uncaught_count): Add.
 275         (gtm_thread::drop_references_allocations): Rename to...
 276         (gtm_thread::discard_allocation): ... this and adapt.
 277         (gtm_thread::init_cpp_exceptions): New.
 278         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 279         (gtm_thread::begin_transaction): Likewise.
 280         (gtm_transaction_cp::save): Likewise.
 281         (gtm_thread::trycommit): Likewise.
 282         * eh_cpp.cc: Add overview comments.
 283         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 284         (free_any_exception, _ITM_cxa_free_exception): New.
 285         (gtm_thread::init_cpp_exceptions): Define.
 286         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 287         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 288         (gtm_thread::revert_cpp_exceptions): Likewise.
 289
 290 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 291
 292         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 293         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 294         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 295         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 296         (gtm_thread::forget_allocations): New overload with size_t argument.
 297         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 298         adapt existing one.
 299         (gtm_thread::record_allocation): Adapt.
 300         (gtm_thread::commit_allocations_1): Adapt.
 301         (gtm_thread::commit_allocations_2): Adapt.
 302         * testsuite/libitm.c++/newdelete.C: New.
 303
 304 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 305             Joseph Myers  <joseph@codesourcery.com>
 306             Mark Shinwell  <shinwell@codesourcery.com>
 307             Andrew Stubbs  <ams@codesourcery.com>
 308             Rich Felker <dalias@libc.org>
 309
 310         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 311         GTM_begin_transaction for compatibility with FDPIC.
 312
 313 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 314
 315         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 316         using load_gcc_lib.
 317
 318 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 319
 320         PR libitm/61164
 321         * local_atomic (__always_inline): Rename to...
 322         (__libitm_always_inline): ... this.
 323
 324 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 325
 326         PR target/52482
 327         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 328
 329 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 330
 331         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 332         operands "op" and "val" to int.
 333
 334 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 335
 336         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 337         "op" and "val" to int.
 338
 339 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 340
 341         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 342         "op" and "val" to int.
 343
 344 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 345
 346         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 347         Declare as static int.
 348         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 349         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 350
 351 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 352
 353         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 354         sys_futex0 function.
 355
 356 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 357
 358         * Makefile.in: Regenerated with automake-1.11.6.
 359         * aclocal.m4: Likewise.
 360         * configure: Likewise.
 361         * testsuite/Makefile.in: Likewise.
 362
 363 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 364
 365         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 366         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 367
 368 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 369
 370         PR libitm/64360
 371         * libitm.c/stackundo.c (test2): Make it static.
 372         (test1): Likewise.
 373
 374 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 375
 376         Update copyright years.
 377
 378 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 379
 380         * libitm.texi: Bump @copying's copyright year.
 381
 382 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 383
 384         * testsuite/lib/libitm.exp: Load target-utils.exp.
 385         Move load of target-supports.exp earlier.
 386
 387 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 388
 389         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 390
 391 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 392
 393         PR bootstrap/63784
 394         * configure: Regenerated.
 395
 396 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 397
 398         PR target/63610
 399         * configure: Regenerate.
 400
 401 2014-10-06  Marek Polacek  <polacek@redhat.com>
 402
 403         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 404         * testsuite/libitm.c/memset-1.c: Likewise.
 405
 406 2014-07-24  Richard Henderson  <rth@redhat.com>
 407
 408         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 409         addressing mode in epilogue.
 410
 411 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 412
 413         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 414         -mclear-hwcap instead.
 415         * configure: Regenerate.
 416         * clearcap.map: Remove.
 417
 418 2014-05-21  John Marino  <gnugcc@marino.st>
 419
 420         * configure.tgt (*-*-dragonfly*): New target.
 421
 422 2014-05-19  Richard Henderson  <rth@redhat.com>
 423
 424         * config/aarch64/sjlj.S: New file.
 425         * config/aarch64/target.h: New file.
 426         * configure.tgt: Enable aarch64.
 427
 428 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 429
 430         * config/generic/asmcfi.h: Also check for
 431         __GCC_HAVE_DWARF2_CFI_ASM.
 432
 433 2013-04-02  Richard Henderson  <rth@redhat.com>
 434
 435         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 436         * config/arm/target.h, config/sh/target.h: Likewise.
 437         * config/sparc/target.h, config/x86/target.h: Likewise.
 438
 439 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 440
 441         * config/linux/futex_bits.h: Include errno.h.
 442         (sys_futex0): If syscall returns -1, return -errno rather than
 443         -1.
 444
 445 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 446
 447         * libitm.texi (Index): Rename to Library Index.
 448
 449 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 450
 451         PR libitm/53113
 452         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 453         (x86_avx.lo): Append -mavx to CXXFLAGS.
 454         * Makefile.in: Regenerate.
 455
 456 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 457
 458         Update copyright years
 459
 460 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 461
 462         * libitm.texi: Bump @copying's copyright year.
 463
 464 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 465
 466         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 467         (FUNC): Define ELFv2 variant.
 468         (END): Likewise.
 469         (HIDDEN): Likewise.
 470         (CALL): Likewise.
 471         (BASE): Likewise.
 472         (LR_SAVE): Likewise.
 473
 474 2013-09-20  Alan Modra  <amodra@gmail.com>
 475
 476         * configure: Regenerate.
 477
 478 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 479
 480         * config/posix/rwlock.cc: Fix initialization order.
 481
 482 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 483
 484         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 485         (htm_fastpath): Assign an asm name.
 486         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 487         HTM fast paths.
 488         (_ITM_actions): Likewise.
 489         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 490         x86_64.
 491         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 492         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 493         field to the start of the structure.
 494         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 495         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 496         handling for custom HTM fast paths.
 497
 498 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 499         Revert:
 500         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 501
 502         * configure.tgt: Add -msoft-float to XCFLAGS.
 503
 504 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 505
 506         * configure.tgt: Add -msoft-float to XCFLAGS.
 507
 508 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 509
 510         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 511         (htm_transaction_active): Enable zEC12 instructions in the
 512         assembler.
 513         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 514
 515 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 516
 517         * acinclude.m4: Add htm asm check for s390.
 518         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 519         * configure: Regenerate.
 520         * config/s390/target.h: Remove __HTM__ check.
 521         (htm_available): Call getauxval to get hwcaps and check whether
 522         HTM is available or not.
 523
 524 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 525
 526         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 527         * configure.ac: Use it.
 528         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 529         (AC_CHECK_FUNCS): Check for getauxval.
 530         * config.h.in, configure: Rebuild.
 531         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 532         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 533         (USE_HTM_FASTPATH): Define.
 534         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 535         _HTM_RETRIES) New macros.
 536         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 537         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 538
 539 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 540
 541         * config/s390/target.h: Include htmintrin.h.
 542         (_HTM_ITM_RETRIES): New macro definition.
 543         (htm_available, htm_init, htm_begin, htm_begin_success)
 544         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 545
 546 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 547             Cesar Philippidis  <cesar@codesourcery.com>
 548
 549         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 550         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 551         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 552         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 553
 554 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 555
 556         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 557         (_ITM_getTransactionId): Same.
 558         * config/x86/target.h (htm_transaction_active): New.
 559
 560 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 561
 562         PR libitm/57643
 563         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 564         the HTM fastpath.
 565
 566 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 567
 568         PR bootstrap/56714
 569         * local_atomic (__always_inline): Always define our version.
 570         (__calculate_memory_order): Mark inline.
 571         (atomic_thread_fence): Ditto.
 572         (atomic_signal_fence): Ditto.
 573         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 574         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 575         (atomic_bool::atomic_flag_test_and_set): Ditto.
 576         (atomic_bool::atomic_flag_clear): Ditto.
 577
 578 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 579
 580         * config/s390/sjlj.S: New file.
 581         * config/s390/target.h: New file.
 582         * configure.tgt: Set options for S/390.
 583
 584 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 585
 586         * local_atomic (__always_inline): Add.
 587         (__calculate_memory_order, atomic_thread_fence,
 588          atomic_signal_fence, test_and_set, clear, store, load,
 589          exchange, compare_exchange_weak, compare_exchange_strong,
 590          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 591         Add __always_inline to force inlining.
 592
 593 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 594             Jack Howarth  <howarth@bromo.med.uc.edu>
 595             Patrick Marlier  <patrick.marlier@gmail.com>
 596
 597         PR libitm/55693
 598         * alloc_cpp.cc: Enable function declarations on darwin.
 599         * eh_cpp.cc: Likewise.
 600
 601 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 602
 603         Update copyright years.
 604
 605 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 606
 607         * beginend.cc (htm_fastpath): New.
 608         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 609         _ITM_commitTransactionEH): Add HTM fastpath handling.
 610         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 611         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 612         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 613         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 614         * configure.tgt: Add -mrtm to XCFLAGS.
 615         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 616         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 617         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 618         * retry.cc (parse_default_method): Add HTM method parsing.
 619         (gtm_thread::number_of_threads_changed): Use HTM by default if
 620         available.
 621
 622 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 623
 624         * configure: Regenerate.
 625
 626 2012-10-31  Richard Henderson  <rth@redhat.com>
 627
 628         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 629         * configure.ac: Use it.
 630         * config.h.in, configure: Rebuild.
 631         * testsuite/Makefile.in: Rebuild.
 632
 633 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 634
 635         * libitm.texi: Clarify ABI requirements for data-logging functions.
 636
 637 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 638
 639         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 640         it requires serial mode instead of assuming that for certain
 641         dispatchs.
 642         * dispatch.h (abi_dispatch::requires_serial): New.
 643         (abi_dispatch::abi_dispatch): Adapt.
 644         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 645         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 646         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 647         serial_dispatch::serial_dispatch,
 648         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 649
 650 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 651
 652         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 653         and ia32 declarations some more.
 654         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 655
 656 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 657
 658         PR other/43620
 659         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 660         * configure: Regenerate.
 661         * Makefile.in: Regenerate.
 662
 663 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 664
 665         * configure: Regenerated.
 666
 667 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 668
 669         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 670
 671 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 672
 673         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 674
 675 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 676
 677         * configure: Regenerated.
 678
 679 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         PR libitm/52854
 682         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 683         for x86-64.
 684
 685 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 686
 687         * configure: Regenerate.
 688
 689 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 690
 691         PR bootstrap/52812
 692         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 693
 694 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 695
 696         * testsuite/lib/libitm.exp: load fortran-modules.exp
 697
 698 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 699
 700         * configure.tgt (*-*-irix6*): Remove.
 701
 702 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 703
 704         PR libitm/52526
 705         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 706         wake-up.
 707
 708 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 709
 710         * configure.tgt (*-*-osf*): Remove.
 711         * configure: Regenerate.
 712
 713 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 714
 715         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 716         memtransfer/memset if size isn't larger than zero.
 717
 718 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 719
 720         * libitm.texi: Link to specification and add a usage example.
 721
 722 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 723
 724         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 725         default dispatch for more than 1 thread to ml_wt.
 726
 727 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 728
 729         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 730
 731 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 732
 733         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 734
 735 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 736
 737         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 738         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 739         (gl_wt_dispatch.rollback): Same.
 740
 741 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 742
 743         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 744
 745 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 746
 747         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 748         for RfW src.  Optimize number of calls to gtm_thr.
 749
 750 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 751
 752         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 753         acquisition to ...
 754         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 755         (default_dispatch): Make atomic.
 756         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 757         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 758         use decide_begin_dispatch() if default_dispatch might have changed.
 759         (GTM::gtm_thread::number_of_threads_changed): Initialize
 760         default_dispatch here.
 761
 762 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 763             Patrick Marlier  <patrick.marlier@gmail.com>
 764
 765         PR libitm/52220
 766         * alloc_cpp.cc: No dummy definitions for darwin.
 767         * eh_cpp.cc: Likewise.
 768
 769 2012-02-14  Richard Henderson  <rth@redhat.com>
 770
 771         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 772
 773 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 774
 775         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 776
 777 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 778
 779         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 780         (GTM::gtm_thread): Add read and write logs.
 781         (GTM::dispatch_ml_wt): Declare.
 782         * retry.cc (parse_default_method): Support ml_wt.
 783         * method-ml.cc: New file.
 784         * Makefile.am: Add method-ml.cc.
 785         * Makefile.in: Regenerate.
 786
 787 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 788
 789         * dispatch.h (GTM::abi_dispatch::supports): New.
 790         (GTM::method_group::reinit): New.
 791         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 792         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 793         supports the current situation.
 794
 795 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 796
 797         * util.cc (GTM::xcalloc): New.
 798         * common.h (GTM::xcalloc): Declare.
 799
 800 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 801
 802         * config/sparc/target.h (cpu_relax): Read from CC register.
 803         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 804
 805 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 806
 807         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 808
 809 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 810
 811         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 812         * config/sparc/cacheline.h: New file.
 813         * config/sparc/target.h: Likewise.
 814         * config/sparc/sjlj.S: Likewise.
 815         * config/linux/sparc/futex_bits.h: Likewise.
 816
 817 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 818
 819         * configure.ac (link_itm): Fix comment.
 820         * configure: Regenerate.
 821         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 822
 823 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 824
 825         PR libitm/51822
 826         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 827         Correct libgomp references.
 828
 829 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 830
 831         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 832         wake-up.
 833
 834 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 835
 836         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 837         end of structure.
 838         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 839         offset values.  Do not copy return address.  Decrement stack
 840         by 56 bytes only.
 841         (GTM_longjump) [__x86_64__]: Update offset values.
 842
 843 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 844
 845         PR libitm/51830
 846         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 847         the first function argument to %eax.
 848
 849 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 850
 851         * libitm.h (_ITM_getThreadnum): Remove.
 852         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 853
 854 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 855
 856         * clearcap.map: New file.
 857         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 858         * configure.ac: Call it.
 859         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 860         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 861         * configure: Regenerate.
 862         * Makefile.in: Regenerate.
 863         * testsuite/Makefile.in: Regenerate.
 864
 865 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 866
 867         PR libitm/51173
 868         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 869         include, exclude options.
 870
 871 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 872
 873         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 874         rolling back.
 875         * containers.h (GTM::vector::set_size): New.
 876
 877 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 878
 879         PR libitm/51855
 880         * config/generic/tls.h (GTM::mask_stack_top): New.
 881         (GTM::mask_stack_bottom): Declare.
 882         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 883         * local.cc (gtm_undolog::rollback): Filter out any updates that
 884         overlap the libitm stack.  Add current transaction as parameter.
 885         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 886         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 887         * testsuite/libitm.c/stackundo.c: New test.
 888
 889 2012-01-10  Richard Henderson  <rth@redhat.com>
 890
 891         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 892         * eh_cpp.cc (_Unwind_DeleteException): Define for
 893         !HAVE_ELF_STYLE_WEAKREF.
 894
 895 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 896
 897         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 898         (GTM::gtm_thread::drop_references_undolog): Remove.
 899         (GTM::gtm_thread::commit_undolog,
 900         GTM::gtm_thread::rollback_undolog): Move to ...
 901         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 902         (GTM::gtm_undolog_entry): Remove.
 903         (GTM::gtm_thread): Adapt.
 904         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 905         (GTM::gtm_thread::trycommit): Adapt.
 906         * method-serial.cc (serial_dispatch::log): Adapt.
 907         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 908         (gl_wt_dispatch::store): Fix likely/unlikely.
 909         * containers.h (GTM::vector::resize): Add additional_capacity
 910         parameter and handle it.
 911         (GTM::vector::resize_noinline): New/adapt.
 912         (GTM::vector::push): New.
 913
 914 2012-01-06  Richard Henderson  <rth@redhat.com>
 915
 916         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 917         * config/linux/powerpc/futex_bits.h: New file.
 918         * config/powerpc/cacheline.h: New file.
 919         * config/powerpc/sjlj.S: New file.
 920         * config/powerpc/target.h: New file.
 921         * config/generic/asmcfi.h (cfi_offset): New.
 922         (cfi_restore, cfi_undefined): New.
 923
 924 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 925
 926         PR other/51171
 927         * testsuite/libitm.c/reentrant.c: Remove xfail.
 928         (thread): Pass x to pure().
 929         From Patrik Marlier <patrick.marlier@gmail.com>.
 930
 931 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 932
 933         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 934         privatization safety if already in serial mode.
 935
 936 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 937
 938         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 939         finish_serial_upgrade parameter.
 940         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 941         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 942         Don't unset reader flag.
 943         (GTM::gtm_rwlock::write_upgrade_finish): New.
 944         * config/posix/rwlock.cc: Same.
 945         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 946         Declare.
 947         * config/posix/rwlock.h: Same.
 948         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 949         flag after commit or after rollback when restarting.
 950
 951 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 952
 953         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 954         (GTM::gtm_thread::try_commit): Changed memory order.
 955         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 956         as parameter.
 957         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 958         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 959         * config/linux/futex_bits.h (sys_futex0): Same.
 960         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 961         * config/linux/futex.h (futex_wait, futex_wake): Same.
 962         * config/linux/rwlock.h (gtm_rwlock::writers,
 963         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 964         ints.
 965         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 966         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 967         gtm_rwlock::write_unlock): Fix memory orders and fences.
 968         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 969         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 970         gtm_rwlock::write_unlock): Same.
 971         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 972         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 973         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 974         Add comments.
 975         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 976         gl_wt_dispatch::load, gl_wt_dispatch::store,
 977         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 978         orders and fences.  Add comments.
 979
 980 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 981
 982         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 983         * Makefile.in: Regenerated.
 984
 985 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 986
 987         * configure.tgt: Add sh* case.
 988         * config/sh/target.h: New file.
 989         * config/sh/sjlj.S: New file.
 990         * config/linux/sh/futex_bits.h: New file.
 991
 992 2011-12-14  Richard Henderson  <rth@redhat.com>
 993
 994         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 995         * config/arm/sjlj.S, config/arm/target.h: New files.
 996         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 997         (cfi_rel_offset): New.
 998         * config/linux/futex_bits.h: New file.
 999         * config/linux/futex.cc: Include futex_bits.h here...
1000         * config/linux/futex.h: ... not here.
1001         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1002         * configure.ac (ARCH_AM): New conditional.
1003         * Makefile.in, configure: Rebuild.
1004         * configure.tgt: Handle ARM.
1005
1006 2011-12-13  Richard Henderson  <rth@redhat.com>
1007
1008         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1009         signed/unsigned comparison werror.
1010
1011         * local_atomic: New file.
1012         * libitm_i.h: Include it.
1013         (gtm_thread::shared_state): Use atomic template.
1014         * beginend.cc (GTM::gtm_clock): Use atomic template.
1015         (global_tid): Use atomic template if 64-bit atomics available.
1016         (gtm_thread::gtm_thread): Update shared_state access.
1017         (gtm_thread::trycommit): Likewise.
1018         (choose_code_path): Update global_tid access.
1019         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1020         * stmlock.h (GTM::gtm_clock): Use atomic template.
1021         (gtm_get_clock, gtm_inc_clock): Update accesses.
1022         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1023         redundant __sync_synchronize after atomic shared_state access.
1024         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1025         (gtm_rwlock::write_lock_generic): Likewise.
1026         (gtm_rwlock::read_unlock): Likewise.
1027         * config/alpha/target.h (atomic_read_barrier): Remove.
1028         (atomic_write_barrier): Remove.
1029         * config/x86/target.h (atomic_read_barrier): Remove.
1030         (atomic_write_barrier): Remove.
1031
1032 2011-11-30  Richard Henderson  <rth@redhat.com>
1033
1034         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1035         * beginend.c (_ITM_abortTransaction): Update to match.
1036         (GTM::gtm_thread::restart): Likewise.
1037         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1038         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1039
1040 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1041
1042         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1043         * Makefile.in: Regenerate.
1044
1045 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1046
1047         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1048         * alloc_cpp.cc: Generate dummy functions if we don't
1049         HAVE_ELF_STYLE_WEAKREF.
1050         * eh_cpp.cc: Likewise.
1051         * configure: Regenerate.
1052         * aclocal.m4:  Likewise.
1053         * config.h.in: Likewise.
1054         * Makefile.in: Likewise.
1055         * testsuite/Makefile.in: Likewise.
1056
1057 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1058
1059         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1060         __USER_LABEL_PREFIX__ for targets that use it.
1061         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1062         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1063         in portability to non-elf targets.
1064         (GTM_longjmp): Likewise.
1065         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1066         where required.
1067
1068 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1069
1070         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1071         * testsuite/libitm.c/memset-1.c: Likewise.
1072
1073 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1074
1075         * configure: Regenerate.
1076
1077 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1078
1079         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1080         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1081         * Makefile.am: Handle sun style versioning.
1082         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1083         * configure: Regenerate.
1084         * Makefile.in: Regenerate.
1085
1086 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1087
1088         * config/generic/asmcfi.h: Fix comment.
1089         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1090         sequence without .hidden support, error for non-ELF targets.
1091         (GTM_longjmp) [__ELF__]: Only use .hidden if
1092         HAVE_ATTRIBUTE_VISIBILITY.
1093
1094 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1095
1096         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1097         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1098         Dummy functions.
1099         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1100         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1101
1102 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1103
1104         PR bootstrap/51098
1105         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1106         * configure: Regenerate.
1107
1108 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1111
1112 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1113
1114         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1115         .hidden.
1116         (.note.GNU-stack): Only use if __linux__.
1117         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1118         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1119         * testsuite/libitm.c/reentrant.c: Likewise.
1120         * testsuite/libitm.c/simple-2.c: Likewise.
1121         * testsuite/libitm.c/txrelease.c: Likewise.
1122         * testsuite/libitm.c++/static_ctor.C: Likewise.
1123
1124 2011-11-10  Richard Henderson  <rth@redhat.com>
1125
1126         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1127         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1128         * configure.ac (ARCH_X86_AVX): New conditional.
1129         * Makefile.in, configure: Rebuild.
1130
1131 2011-11-09  Richard Henderson  <rth@redhat.com>
1132
1133         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1134         * configure.ac: Use it.
1135         * config.h.in, configure: Rebuild.
1136         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1137
1138 2011-11-09  Richard Henderson  <rth@redhat.com>
1139
1140         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1141         * config/alpha/unaligned.h: Remove file.
1142         * config/generic/unaligned.h: Remove file.
1143         * config/x86/unaligned.h: Remove file.
1144         * config/generic/cachepage.h: Remove file.
1145         * config/posix/cachepage.cc: Remove file.
1146         * config/generic/cacheline.cc: Remove file.
1147         * config/x86/cacheline.cc: Remove file.
1148         * config/generic/cacheline.h (gtm_cacheline): Remove the
1149         store_mask, copy_mask, copy_mask_wb methods.
1150         * config/x86/cacheline.h: Likewise.
1151         * config/alpha/cacheline.h: Fall back to generic after setting size.
1152         * config/generic/tls.cc (gtm_mask_stack): Remove.
1153         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1154         (GTM_vpalignr_table): Remove.
1155         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1156         (GTM_pshift_table): Remove.
1157         * config/libitm_i.h: Don't include cachepage.h.
1158         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1159         * Makefile.in, testsuite/Makefile.in: Rebuild.
1160
1161 2011-11-09  Richard Henderson  <rth@redhat.com>
1162
1163         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1164         to emit branch prediction hint.
1165
1166         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1167         Protect .note.GNU-stack with __linux__.
1168
1169         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1170         * configure, aclocal.m4, config.h.in: Rebuild.
1171         * config/generic/asmcfi.h: New file.
1172         * config/x86/sjlj.S: Use it.
1173
1174 2011-11-08  Richard Henderson  <rth@redhat.com>
1175
1176         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1177
1178 2011-11-08  Richard Henderson  <rth@redhat.com>
1179
1180         * configure.tgt: Test correct directory for supported cpus.
1181
1182         * configure.ac: Exit if unsupported.
1183         * configure: Rebuild.
1184         * configure.tgt: Delete boilerplate from libgomp for unsupported
1185         targets.  Set UNSUPPORTED for unsupported targets.
1186
1187 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1188
1189         * configure.tgt: Handle i386 like i[456]86.
1190         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1191         take address.
1192         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1193         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1194
1195 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1196
1197         * method-wbetl.cc: Update copyright notice.
1198         * aatree.cc: Same.
1199         * util.cc: Same.
1200         * libitm.h: Same.
1201         * memset.cc: Same.
1202         * eh_cpp.cc: Same.
1203         * barrier.tpl: Same.
1204         * useraction.cc: Same.
1205         * stmlock.h: Same.
1206         * memcpy.cc: Same.
1207         * common.h: Same.
1208         * config/generic/tls.cc: Same.
1209         * config/generic/cacheline.h: Same.
1210         * config/generic/cachepage.h: Same.
1211         * config/generic/cacheline.cc: Same.
1212         * config/generic/unaligned.h: Same.
1213         * config/x86/cacheline.h: Same.
1214         * config/x86/cacheline.cc: Same.
1215         * config/x86/unaligned.h: Same.
1216         * config/alpha/cacheline.h: Same.
1217         * config/alpha/unaligned.h: Same.
1218         * config/alpha/sjlj.S: Same.
1219         * config/posix/cachepage.cc: Same.
1220         * config/linux/futex.h: Same.
1221         * config/linux/alpha/futex_bits.h: Same.
1222
1223 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1224
1225         * libitm.texi: No cover text and invariant sections.
1226
1227 2011-11-03  Richard Henderson  <rth@redhat.com>
1228
1229         * local_type_traits: New file.
1230         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1231
1232 2011-11-03  Richard Henderson  <rth@redhat.com>
1233
1234         * configure.ac: Don't test for gfortran.
1235         * configure: Rebuild.
1236
1237         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1238         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1239
1240 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1241
1242         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1243         * testsuite/libitm.c/memset-1.c: Same.
1244         * testsuite/libitm.c/c.exp: Same.
1245         * testsuite/lib/libitm-dg.exp: Same.
1246         * testsuite/lib/libitm.exp: Same.
1247         * testsuite/libitm.c++/c++.exp: Same.
1248
1249 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1250
1251         * testsuite/config/default.exp: Update copyright date.
1252         * configure.ac: Add copyright info.
1253         * configure.tgt: Same.
1254
1255 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1256
1257         * testsuite/libitm.c/reentrant.c: XFAIL.
1258         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1259
1260 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1261
1262         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1263         handle aborts.
1264         (_ITM_abortTransaction): Handle aborts of outer transactions.
1265         * libitm_i.h: Same.
1266         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1267         * libitm.texi: Document aborts of outer transactions.
1268         * testsuite/libitm.c/cancel.c: New file.
1269
1270 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1271
1272         * testsuite/*: Change __transaction to __transaction_atomic or
1273         __transaction_relaxed.
1274
1275 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1276
1277         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1278         (gtm_thr): Same.
1279
1280 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1281
1282         * libitm_i.h: Add gl_wt dispatch.
1283         * retry.cc (parse_default_method): Same.
1284         * method-gl.cc: New file.
1285         * Makefile.am: Use method-gl.cc.
1286         * Makefile.in: Rebuild.
1287
1288 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1289
1290         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1291         safety if requested by a TM method.
1292         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1293         privatization safety.
1294         * method-serial.cc: Same.
1295
1296 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1297
1298         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1299         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1300         undolog-related member functions from *_local to *_undolog.
1301         * local.cc (gtm_thread::commit_undolog): Same.
1302         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1303         (GTM::gtm_thread::rollback): Roll back undolog before
1304         dispatch-specific rollback.
1305
1306 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1307
1308         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1309         re-initialization of the current method group.
1310         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1311
1312 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1313
1314         * alloc.cc (commit_allocations_2): Do not free transaction-local
1315         memory when committing a nested transaction.
1316
1317 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1318
1319         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1320         serial-irrevocable dispatch, not serial.
1321
1322 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1323
1324         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1325         declarations.
1326         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1327         * method-serial.cc: Implement begin_or_restart().
1328         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1329         dispatch-specific begin_or_restart().
1330         (GTM::gtm_thread::restart): Same.
1331
1332 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1333
1334         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1335         restarting without switching to serial mode.
1336         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1337         transaction state. Choose closed-nesting alternative if available.
1338         (GTM::gtm_thread::set_default_dispatch): New.
1339         (parse_default_method): New.
1340         (GTM::gtm_thread::number_of_threads_changed): New.
1341         * method-serial.cc (GTM::serial_mg): New method group class.
1342         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1343         fini.
1344         (GTM::serial_dispatch): Same.
1345         (GTM::serialirr_onwrite_dispatch): Same.
1346         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1347         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1348         registered threads.
1349         (GTM::gtm_thread::gtm_thread): Same.
1350         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1351         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1352         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1353         choose dispatch but set state according to dispatch here.
1354         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1355         (GTM::method_group): New class.
1356         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1357         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1358         * libitm.texi: Document TM methods, method groups, method life cycle.
1359         Rename method sets to method groups.
1360
1361 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1362
1363         * config/x86/tls.h: Moved to ...
1364         * config/linux/x86/tls.h: ... here.
1365
1366 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1367
1368         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1369         Add X32 support.
1370         * config/x86/sjlj.S: Same.
1371
1372 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1373
1374         * config/linux/rwlock.h: New file.
1375         * config/linux/rwlock.c: New file.
1376         * configure.ac: Reenable futex support (undo SVN rev 157758).
1377         * Makefile.am: Same.
1378         * configure.tgt: Same.
1379         * config/linux/alpha/futex_bits.h: Same.
1380         * config/linux/futex.h: Same. Return number of woken processes.
1381         * config/linux/futex.cc: Same.
1382         (futex_wait): Remove spinning.
1383         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1384         Use __x86_64__ instead of __LP64__.
1385         * aclocal.m4: Include generic futex checks.
1386         * configure: Rebuild.
1387         * Makefile.in: Rebuild.
1388         * testsuite/Makefile.in: Rebuild.
1389         * beginend.cc: Include pthread.h.
1390         * config/posix/cachepage.cc: Same.
1391
1392 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1393
1394         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1395         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1396         (set_gtm_thr): New.
1397         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1398         (set_gtm_thr): New.
1399         (GTM::gtm_thread::thread_num): Removed.
1400         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1401         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1402         tx-to-thread renaming.
1403         * beginend.cc: Adapted to tx-to-thread renaming.
1404         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1405         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1406         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1407         gtm_transaction to gtm_thread.
1408         (_ITM_getThreadnum): Removed. Not supported anymore.
1409         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1410         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1411         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1412         gtm_tx-to-gtm_thr renaming if necessary.
1413         * eh_cpp.cc: Same.
1414         * local.cc: Same.
1415         * retry.cc: Same.
1416         * clone.cc: Same.
1417         * alloc.cc: Same.
1418         * alloc_c.cc: Same.
1419         * alloc_cpp.cc: Same.
1420         * method-serial.cc: Same.
1421         * config/generic/tls.cc: Same.
1422         * config/posix/rwlock.h (gtm_rwlock): Same.
1423         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1424
1425 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1426
1427         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1428         implementation.
1429         (gtm_rwlock::read_unlock): Same.
1430         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1431         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1432         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1433         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1434         w_upgrade. Replaced by per-transaction flags (in shared_state).
1435         Added c_confirmed_writers.
1436         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1437         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1438         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1439         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1440         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1441         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1442         * libitm.texi: Document locking conventions and implementations in
1443         libitm.
1444
1445 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1446
1447         * libitm_i.h (next_tx): Add list of all threads' transaction.
1448         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1449         transaction with list of transactions and ...
1450         (thread_exit_handler): ... deregister here.
1451         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1452         * config/x86/target.h: Same.
1453
1454 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1455
1456         * testsuite/libitm.c++/static_ctor.C: New file.
1457
1458 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1459
1460         * testsuite/libitm.c/reentrant.c: New file.
1461
1462 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1463
1464         * config/generic/tls.h: Remove the free list for transactions and ...
1465         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1466         (GTM::gtm_transaction::operator delete): ... and release here.
1467         (thread_exit_handler): New. Delete tx when thread terminates.
1468         (thread_exit_init): New.
1469         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1470         * testsuite/libitm.c/txrelease.c: New file.
1471
1472 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1473
1474         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1475         * testsuite/libitm.c/notx.c: New file.
1476
1477 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1478
1479         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1480         * libitm_i.h (local_tid): ... to here.
1481         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1482         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1483
1484 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1485
1486         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1487         serialirr_onwrite_dispatch as new default for now.
1488         * method-serial.cc (serialirr_onwrite_dispatch): New.
1489         (GTM::dispatch_serialirr_onwrite): New.
1490         * libitm_i.h: Same.
1491
1492 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1493
1494         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1495         * query.cc (_ITM_getTransactionId): There is no active transaction if
1496         the current nesting level is zero.
1497
1498 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1499
1500         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1501         rollback.
1502
1503 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1504
1505         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1506         transaction properties from the caller instead of from the
1507         transaction object.
1508         * libitm_i.h: Same.
1509         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1510
1511 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1512
1513         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1514         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1515         * dispatch.h: Same.
1516         * method-serial.cc: Same.
1517         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1518         flat nesting as default, and closed nesting on demand.
1519         (GTM::gtm_transaction::rollback): Same.
1520         (_ITM_abortTransaction): Same.
1521         (GTM::gtm_transaction::restart): Same.
1522         (GTM::gtm_transaction::trycommit): Same.
1523         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1524         (choose_code_path): New.
1525         (GTM::gtm_transaction_cp::save): New.
1526         (GTM::gtm_transaction_cp::commit): New.
1527         * query.cc (_ITM_inTransaction): Support flat nesting.
1528         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1529         (GTM::gtm_transaction): Support flat and closed nesting.
1530         * alloc.cc (commit_allocations_2): New.
1531         (commit_cb_data): New helper struct.
1532         (GTM::gtm_transaction::commit_allocations): Handle nested
1533         commits/rollbacks.
1534         * libitm.texi: Update user action section, add description of nesting.
1535
1536 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1537
1538         * libitm_i.h: Add closed nesting as restart reason.
1539         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1540
1541 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1542
1543         * useraction.cc: Use vector instead of list to store actions.
1544         Also support partial rollbacks for closed nesting.
1545         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1546         * beginend.cc: Same.
1547
1548 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1549
1550         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1551         closed_nesting flags, as well as a closed nesting alternative.
1552         * method-serial.cc: Same.
1553         (serial_dispatch): Renamed to serialirr_dispatch.
1554         (GTM::dispatch_serialirr): Same.
1555         (serial_dispatch_ul): Renamed to serial_dispatch.
1556         (GTM::dispatch_serial): Same.
1557
1558 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1559
1560         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1561
1562 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1563
1564         * aatree.h (aa_tree::remove): New.
1565         (aa_tree::operator new): Add placement new.
1566
1567 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1568
1569         * containers.h: New file.
1570         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1571         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1572         * common.h: ... to here.
1573         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1574         * local.cc: Same.
1575
1576 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1577
1578         * libitm_i.h (STATE_ABORTING): Remove.
1579         * beginend.cc (_ITM_abortTransaction): Same.
1580         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1581         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1582         (_ITM_rollbackTransaction): Remove.
1583         * beginend.cc: Same.
1584         * libitm.map: Same.
1585         * libitm.texi: Document these ABI changes.
1586
1587 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1588
1589         * libitm.texi: New file.
1590         * Makefile.am: Add libitm.texi.
1591         * Makefile.in: Rebuild.
1592
1593 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1594
1595         * libitm_i.h: Move parts to common.h and dispatch.h.
1596         * common.h: New file.
1597         * dispatch.h: New file, new dispatch class.
1598         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1599         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1600         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1601         decision to retry.cc.
1602         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1603         only.
1604         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1605         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1606         logging.
1607         * barrier.cc: Use new barriers definitions.
1608         (abi_dispatch::memmove_overlap_check): New.
1609         * config/x86/x86_sse.cc: Same.
1610         * config/x86/x86_avx.cc: Same.
1611         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1612         memcpy.cc.
1613         * Makefile.in: Rebuild.
1614         * method-readonly.cc: Remove.
1615         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1616         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1617
1618 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1619
1620         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1621         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1622         * testsuite/libitm.c/dropref-2.c: Same.
1623         * testsuite/libitm.c/dropref.c: Same.
1624
1625 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1626
1627         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1628         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1629         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1630         * alloc_c.cc: Same.
1631         * barrier.tpl: Same.
1632         * beginend.c: Same.
1633         * config/generic/tls.h: Same.
1634         * config/x86/tls.h: Same.
1635         * libitm_i.h: Same.
1636         * memcpy.cc: Same.
1637         * memset.cc: Same.
1638         * method-readonly.cc: Same.
1639         * method-serial.cc: Same.
1640         * method-wbetl.cc: Same.
1641         * retry.cc: Same.
1642
1643 2011-03-03  Richard Henderson  <rth@redhat.com>
1644
1645         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1646         From Patrik Marlier <patrick.marlier@unine.ch>.
1647
1648 2011-02-03  Richard Henderson  <rth@redhat.com>
1649
1650         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1651         * configure.ac: Use it.
1652         * configure, config.h.in: Rebuild.
1653         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1654         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1655         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1656         * libitm.map: Use wildcards to match size_t mangling.
1657
1658 2010-12-14  Richard Henderson  <rth@redhat.com>
1659
1660         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1661         blocks of TIDs per thread.
1662         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1663         (setup_gtm_thr): Return the thread structure.
1664         * config/x86/tls.h (setup_gtm_thr): Likewise.
1665
1666 2010-12-14  Richard Henderson  <rth@redhat.com>
1667
1668         * clone.cc (table_lock): Remove.
1669         (find_clone): Don't take it.
1670         (ExcludeTransaction): New helper class.
1671         (_ITM_registerTMCloneTable): Use it.
1672         (_ITM_deregisterTMCloneTable): Likewise.
1673
1674 2010-12-14  Richard Henderson  <rth@redhat.com>
1675
1676         * config/x86/tls.h: New file.
1677
1678 2010-07-15  Richard Henderson  <rth@redhat.com>
1679
1680         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1681         * Makefile.in: Rebuild.
1682
1683 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1684
1685         * method-wbetl.cc (trydropreference): Fix source line.
1686
1687 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1688
1689         * libitm.h: Add comment.
1690         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1691
1692 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1693
1694         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1695         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1696         available, use pthread mutexes.
1697         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1698         * config.h.in: Regenerate.
1699         * configure: Regenerate.
1700
1701 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1702
1703         * libitm.h (ITM_PURE): Define.
1704         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1705
1706 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1707
1708         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1709         (validate): Add comment.
1710         (trydropreference): New.
1711         * method-readonly.cc (class readonly_dispatch): Add
1712         trydropreference.
1713         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1714         Call trydropreference().
1715         * libitm.h (_ITM_dropReferences): Remove const attribute.
1716         * method-serial.cc (class serial_dispatch): Add trydropreference.
1717         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1718
1719 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1720
1721         * memcpy.cc (do_memcpy): Comment.
1722
1723 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1724
1725         * barrier.tpl: Add comments throughout.
1726
1727 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1728
1729         * method-wbetl.cc (struct w_entry): Add comments.
1730         (trycommit): Same.
1731         (rollback): Same.
1732
1733 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1734
1735         * alloc_c.cc (_ITM_dropReferences): New.
1736         * libitm.map (_ITM_dropReferences): Add.
1737         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1738         * libitm_i.h (struct gtm_transaction): Declare
1739         drop_references_allocations and drop_references_local.
1740         * local.cc (rollback_local): Ignore memory when applicable.
1741         (drop_references_local): New.
1742
1743 2010-06-23  Richard Henderson  <rth@redhat.com>
1744
1745         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1746         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1747         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1748         * config/alpha/target.h: Likewise.
1749         * config/generic/tls.cc (gtm_mask_stack): Use it.
1750
1751 2010-06-23  Richard Henderson  <rth@redhat.com>
1752
1753         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1754         a mutex instead of trying a lock-free compare-and-swap on the list.
1755         (gtm_cacheline_page::operator delete): Likewise.
1756
1757 2010-06-16  Richard Henderson  <rth@redhat.com>
1758
1759         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1760         that overlap the libitm stack.
1761         * barrier.tpl: Mark incoming stack.
1762         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1763         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1764         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1765         * memcpy.cc, memset.cc: Likewise.
1766         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1767         * config/generic/tls.h (gtm_thread): Add stack_top member.
1768         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1769         * libitm_i.h (gtm_mask_stack): Declare.
1770         * config/generic/tls.cc: New file.
1771         * Makefile.am (libitm_la_SOURCES): Add it.
1772         (AM_CXXFLAGS): Turn off exceptions.
1773         * Makefile.in: Rebuild.
1774
1775 2010-06-16  Richard Henderson  <rth@redhat.com>
1776
1777         * alloc.cc (struct gtm_alloc_action): Move definition ...
1778         * libitm_i.h: ... here.
1779         (class gtm_transaction): Declare new and delete.
1780         * beginend.cc (alloc_tx): Reformulate as operator new.
1781         (free_tx): Reformulate as operator delete.
1782         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1783
1784 2010-06-11  Richard Henderson  <rth@redhat.com>
1785
1786         * clone.cc (clone_entry_compare): Fix typo.
1787         From Patrik Marlier <patrick.marlier@unine.ch>.
1788
1789 2010-05-13  Richard Henderson  <rth@redhat.com>
1790
1791         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1792         in extern "C".
1793
1794 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1795
1796         * libitm_i.h (struct gtm_transaction): Remove
1797         get_allocation_size.
1798         (record_allocation): Remove size parameter.
1799         * libitm.map (_ITM_realloc): Remove.
1800         * alloc_c.cc (_ITM_realloc): Remove.
1801         (_ITM_malloc): Remove size argument to record_allocation.
1802         (_ITM_calloc): Same.
1803         * alloc_cpp.cc (_ZGTtnwm): Same.
1804         (_ZGTtnwmRKSt9nothrow_t): Same.
1805         (_ZGTtnam): Same.
1806         (_ZGTtnamRKSt9nothrow_t): Same.
1807         * alloc.cc (struct gtm_alloc_action): Remove size.
1808         (get_allocation_size): Remove.
1809         (commit_allocations): Add comment.
1810         (record_allocation): Remove size parameter.
1811         (forget_allocation): Remove set of size.
1812
1813 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1814
1815         * Makefile.am (abi_version): New.
1816         (AM_CXXFLAGS): Pass abi_version.
1817         * Makefile.in: Regenerate.
1818         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1819
1820 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1821
1822         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1823         _ITM_getTMCloneOrIrrevokable.
1824         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1825         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1826
1827 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1828
1829         * configure.ac: Remove Linux futex support.
1830         * configure.tgt (config_path): Same.
1831         * Makefile.am: Same.
1832         * config/linux: Remove entire directory.
1833         * configure: Rebuild.
1834         * Makefile.in: Rebuild.
1835         * testsuite/Makefile.in: Rebuild.
1836
1837 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1838
1839         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1840         switching to serial mode.
1841         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1842
1843 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1844
1845         * configure.tgt: Add emacs -*- tags.
1846         * barrier.tpl: Same.
1847
1848 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1849
1850         * Makefile.am: Rename serial.cc to method-serial.cc.
1851         * Makefile.in: Regenerate with automake 1.11.1.
1852         * testsuite/Makefile.in: Same.
1853         * aclocal.m4: Regenerate with aclocal 1.11.1.
1854         * method-serial.cc: Rename from serial.cc.
1855         * libitm_i.h (struct gtm_transaction): Update comment on
1856         serialirr_mode.
1857
1858 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1859
1860         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1861         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1862
1863 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1864
1865         * configure: Rebuild.
1866
1867 2009-11-12  Richard Henderson  <rth@redhat.com>
1868
1869         * Rewrite everything in C++.
1870
1871 2009-11-03  Richard Henderson  <rth@redhat.com>
1872
1873         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1874         * Makefile.am (libitm_la_SOURCES): Add them.
1875         * configure.ac (ARCH_X86): New conditional.
1876         * Makefile.in, configure: Rebuild.
1877         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1878         Move futex setup into "other system configury" case.
1879         * local.c (rollback_local): Merge into ...
1880         (GTM_rollback_local): ... here.
1881         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1882         (_ITM_LB): Define as an alias to GTM_LB.
1883
1884 2009-11-03  Richard Henderson  <rth@redhat.com>
1885
1886         * method-readonly.c: New file.
1887         * Makefile.am (libitm_la_SOURCES): Add it.
1888         * Makefile.in: Rebuild.
1889         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1890         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1891         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1892         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1893         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1894         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1895         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1896         gtm_get_clock, gtm_inc_clock): New.
1897         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1898         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1899         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1900         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1901         replace uses with new libitm_i.h symbols.
1902         (dispatch_wbetl): Rename from wbetl_dispatch.
1903         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1904         away from dispatch_readonly; abort if the beginTransaction call
1905         asserted that the transaction was readonly.
1906
1907 2009-11-03  Richard Henderson  <rth@redhat.com>
1908
1909         * memset.c: New file.
1910         * Makefile.am (libitm_la_SOURCES): Add it.
1911         * Makefile.in: Rebuild.
1912         * testsuite/libitm.c/memset-1.c: New.
1913
1914 2009-11-03  Richard Henderson  <rth@redhat.com>
1915
1916         * dispatch.c: Remove file.
1917         * useraction.c (struct gtm_user_action): Move from libitm.h.
1918         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1919         (serial_memset, serial_memmove, serial_memcpy): Remove.
1920         (serial_W*, serial_R*): Remove.
1921         (serial_dispatch): Update to match.
1922         * configure.ac: Move Werror down below configure checks.  Don't
1923         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1924         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1925         Use GCC_AC_FUNC_MMAP_BLACKLIST
1926         * libitm.h: Split out all internal items to...
1927         * libitm_i.h: ... here.  New file.
1928         * copymask.c: New file.
1929         * local.c (struct gtm_local_undo): Move from libitm.h.
1930         (GTM_alloc_local): Rename from alloc_local; export.
1931         * memcpy.c: New file.
1932         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1933         * config/posix/page.c: New file.
1934         * config/posix/target_tls.h: Remove file.
1935         * barrier.c: New file.
1936         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1937         copymask.c, page.c.
1938         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1939         * method-wbetl.c: Rewrite for new cacheline methods.
1940         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1941
1942         * config/alpha/sjlj.S: Fix typo.
1943         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1944         * config/alpha/copymask.c: New file.
1945         * config/alpha/target.h (CACHELINE_SIZE): New.
1946         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1947
1948         * config/x86/target_i.h: Copy functions from x86/target.h.
1949         * config/x86/copymask.c: New file.
1950         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1951         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1952         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1953         * config/x86/target_tls.h: Move contents to target_i.h.
1954
1955         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1956         * testsuite/libitm.c/memcpy-1.c: New.
1957
1958 2009-10-22  Richard Henderson  <rth@redhat.com>
1959
1960         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1961         (AM_CCASFLAGS): New.
1962         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1963         saving/restoring _AC_ARG_VAR_PRECIOUS.
1964         * Makefile.in, aclocal.m4, config.h.in, configure,
1965         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1966
1967 2009-10-22  Richard Henderson  <rth@redhat.com>
1968
1969         * testsuite/*: Update for new compiler syntax.
1970
1971 2009-10-21  Richard Henderson  <rth@redhat.com>
1972
1973         * libitm.h (_ITM_abortReason): Add outerAbort.
1974
1975 2009-08-03  Richard Henderson  <rth@redhat.com>
1976
1977         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1978         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1979         * method-wbetl.c (struct w_entry): Remove mask.
1980         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1981         adjust all callers.
1982
1983 2009-07-22  Richard Henderson  <rth@redhat.com>
1984
1985         * eh_cpp.c: New file.
1986         * Makefile.am (libitm_la_SOURCES): Add it.
1987         * Makefile.in: Rebuild.
1988         * beginend.c (GTM_rollback_transaction): Undo exception state.
1989         (GTM_trycommit_transaction): Mark inline.
1990         (GTM_trycommit_and_finalize_transaction): Split out from ...
1991         (_ITM_commitTransaction): ... here.
1992         (_ITM_commitTransactionEH): New function.
1993         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1994         cxa_unthrown, eh_in_flight; reorder.
1995
1996         * testsuite/libitm.c++/c++.exp: New.
1997         * testsuite/libitm.c++/eh-1.C: New.
1998
1999         * aatree.c (aa_free): Remove REGPARM.
2000         * aatree.h: Remove all REGPARM.
2001
2002 2009-07-18  Richard Henderson  <rth@redhat.com>
2003
2004         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2005         * Makefile.am (libitm_la_SOURCES): Add them.
2006         * Makefile.in: Rebuild.
2007         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2008         (GTM_trycommit_transaction): Likewise.
2009         * libitm.h: Include aatree.h
2010         (struct gtm_alloc_action): New.
2011         (struct gtm_transaction): Add alloc_actions.
2012         (GTM_record_allocation, GTM_forget_allocation): Declare.
2013         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2014         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2015         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2016         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2017         _ZGTtdaPvRKSt9nothrow_t): Export.
2018
2019 2009-07-18  Richard Henderson  <rth@redhat.com>
2020
2021         * target_tls.h: Move ...
2022         * config/posix/target_tls.h: ... here.
2023
2024 2009-07-07  Richard Henderson  <rth@redhat.com>
2025
2026         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2027
2028 2009-07-07  Richard Henderson  <rth@redhat.com>
2029
2030         * Update to GPL3.
2031
2032 2009-07-07  Richard Henderson  <rth@redhat.com>
2033
2034         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2035         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2036
2037         * configure.tgt: Don't use -ftls-model for x86 linux.
2038         * libitm.h: Include target.h after standard includes.
2039         (_gtm_thr): Rename from gtm_thr.
2040         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2041         (gtm_disp, set_gtm_disp): New.
2042         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2043         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2044         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2045
2046 2009-07-07  Richard Henderson  <rth@redhat.com>
2047
2048         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2049
2050 2009-07-06  Richard Henderson  <rth@redhat.com>
2051
2052         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2053         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2054         (_ITM_beginTransaction): Take variadic arguments.
2055         (_ITM_registerThrownObject): Declare.
2056         * beginend.c, serial.c: Update.
2057         * libitm.map: Add _ITM_registerThrownObject.
2058
2059 2009-01-28  Richard Henderson  <rth@redhat.com>
2060
2061         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2062         * Makefile.in: Rebuild.
2063         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2064         (GTM_restart_transaction): Fix uninstrumented code check.
2065         * retry.c (GTM_decide_retry_strategy): Add serial check.
2066         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2067         automatically go irrevokable when in serial mode.
2068         * clone.c: New file.
2069         * libitm.h, libitm.map: Update.
2070
2071 2009-01-27  Richard Henderson  <rth@redhat.com>
2072
2073         * Makefile.am (LTCCASCOMPILE): Define.
2074         (libitm_la_SOURCES): Add methid-wbetl.c.
2075         * testsuite/Makefile.am: New
2076         * configure.ac: Add testsuite/Makefile.
2077         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2078         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2079         (_ITM_abortTransaction): Finalize implementation method; pass
2080         transaction properties to longjmp.
2081         (GTM_restart_transaction): Split out from ...
2082         (_ITM_commitTransaction): ... here.
2083         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2084         Move to config/x86/target.h.
2085         * config/linux/alpha/futex_bits.h: New.
2086         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2087         * config/x86/target.h: Disable target types for 32-bit.
2088         * config/alpha/sjlj.S, config/alpha/target.h: New.
2089         * libitm.h (struct gtm_dispatch): Add init, fini.
2090         (enum restart_reason): New.
2091         (struct gtm_transaction): Add method and restarts.
2092         * retry.c (GTM_decide_retry_strategy): Implement.
2093         * serial.c (serial_init, serial_fini): New.
2094         (GTM_serialmode): Finialize outgoing method.
2095         * method-wbetl.c: New.
2096
2097 2008-12-09  Richard Henderson  <rth@redhat.com>
2098
2099         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2100         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2101         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2102         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2103         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2104         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2105         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2106         * serial.c (serial_R##T, serial_W##T): Likewise.
2107
2108 2008-11-21  Richard Henderson  <rth@redhat.com>
2109
2110         * Initial commit.
2111 \f
2112 Copyright (C) 2008-2018 Free Software Foundation, Inc.
2113
2114 Copying and distribution of this file, with or without modification,
2115 are permitted in any medium without royalty provided the copyright
2116 notice and this notice are preserved.