libitm/ChangeLog

   1 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
   2
   3         PR bootstrap/82856
   4         * Makefile.am: Include multilib.am.
   5         (AUTOMAKE_OPTIONS): Add info-in-builddir.
   6         (CLEANFILES): Remove libitm.info.
   7         * configure.ac: Remove AC_PREREQ.
   8         * testsuite/Makefile.am (RUNTEST): Remove quotes.
   9         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
  10         Regenerate.
  11
  12 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
  13
  14         PR libitm/86293
  15         * method-serial.cc: Mark varible as potentially unused
  16         to silence warning.
  17
  18 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
  19
  20         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
  21         absolute relocation in a shared library.
  22
  23 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
  24
  25         PR libitm/85988
  26         * config/linux/x86/tls.h (SEG_READ): Use the offset of
  27         __private_tm as base.
  28         (SEG_WRITE): Likewise.
  29         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
  30         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
  31         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
  32         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
  33         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
  34
  35 2018-05-17  Jason Merrill  <jason@redhat.com>
  36
  37         * beginend.cc (save): Disable -Werror=deprecated-copy.
  38
  39 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  40
  41         PR testsuite/85106
  42         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
  43
  44 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  45
  46         PR testsuite/85106
  47         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
  48
  49 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  50
  51         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  52         (__CET__ & 2) != 0 check for shadow stack.
  53         (GTM_longjmp): Likewise.
  54
  55 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  56
  57         * configure: Regenerated.
  58
  59 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
  60
  61         PR target/85489
  62         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
  63
  64 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
  65
  66         * configure: Regenerated.
  67
  68 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
  69
  70         PR jit/85384
  71         * configure: Regenerate.
  72
  73 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  74
  75         PR target/84148
  76         * configure: Regenerate.
  77
  78 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
  79
  80         Update copyright years.
  81
  82         * libitm.texi: Bump @copying's copyright year.
  83
  84 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
  85
  86         * Makefile.in: Regenerate.
  87         * acinclude.m4: Add enable.m4 and cet.m4.
  88         * config/x86/sjlj.S: Include cet.h.
  89         (_ITM_beginTransaction): Add _CET_ENDBR.
  90         Save Shadow Stack pointer.
  91         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
  92         * config/x86/target.h (struct gtm_jmpbuf):
  93         Add new field for Shadow Stack pointer.
  94         * configure: Regenerate.
  95         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
  96         * configure.ac: Update libtool_VERSION for x86.
  97         * testsuite/Makefile.in: Regenerate.
  98
  99 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 100
 101         * libitm/config/x86/target.h: Add new field (ssp).
 102         * libitm/config/x86/sjlj.S: Change offsets.
 103
 104 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 105
 106         * testsuite/lib/libitm.exp: Load scanlang.exp.
 107
 108 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 109
 110         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 111
 112 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 113
 114         PR other/79046
 115         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 116         of cat to get version from BASE-VER file.
 117         * testsuite/Makefile.in: Regenerated.
 118
 119 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 120
 121         * config/x86/target.h (htm_available): Determine vendor from
 122         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 123
 124 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 125
 126         * config/x86/target.h (htm_available): Add check for some processors
 127         on which TSX is broken.
 128
 129 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 130
 131         PR other/79046
 132         * configure.ac: Add GCC_BASE_VER.
 133         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 134         get version from BASE-VER file.
 135         * testsuite/Makefile.in: Regenerated.
 136         * configure: Regenerated.
 137         * Makefile.in: Regenerated.
 138
 139 2017-01-04  Alan Modra  <amodra@gmail.com>
 140
 141         * Makefile.in: Regenerate.
 142         * testsuite/Makefile.in: Regenerate.
 143
 144 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 145
 146         Update copyright years.
 147
 148         * libitm.texi: Bump @copying's copyright year.
 149
 150 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 151
 152         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 153         * aclocal.m4: Regenerate.
 154         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 155         LIBITM_CHECK_LINKER_HWCAP.
 156
 157 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 158
 159         * configure: Regenerate.
 160
 161 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 162
 163         PR libitm/70456
 164         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 165         on cache line if requested.
 166
 167 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 168
 169         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 170         function attribute to disable floating point in begin_transaction() on
 171         S/390.
 172         * beginend.cc (begin_transaction): Use
 173         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 174
 175 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 176
 177         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 178         boundary.
 179         (htm_fastpath): Remove.
 180         (gtm_thread::begin_transaction): Fix HTM fastpath.
 181         (_ITM_commitTransaction): Adapt.
 182         (_ITM_commitTransactionEH): Adapt.
 183         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 184         and accessors.
 185         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 186         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 187         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 188         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 189         * libitm/method-serial.cc (htm_mg): Adapt.
 190         (gtm_thread::serialirr_mode): Adapt.
 191         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 192
 193 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 194
 195         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 196         or AIX.
 197
 198 2016-01-19  Richard Henderson  <rth@redhat.com>
 199
 200         PR bootstrap/69343
 201         PR bootstrap/69339
 202         Revert:
 203         2016-01-13  Richard Henderson  <rth@redhat.com>
 204
 205         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 206         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 207         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 208         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 209         * configure.ac (ARCH_AARCH64): New conditional.
 210         (ARCH_PPC, ARCH_S390): Likewise.
 211         * Makefile.in, configure: Rebuild.
 212
 213         * libitm.h (_ITM_TYPE_M128): Always define.
 214         * vect64.cc: Split ...
 215         * vect128.cc: ... out of...
 216         * config/x86/x86_sse.cc: ... here.
 217         * config/arm/neon.cc: New file.
 218
 219 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 220
 221         * local_type_traits: Remove file.
 222         * libitm_i.h: Don't include it anymore.
 223         (sized_integral): Remove.
 224
 225 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 226
 227         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 228         safety.
 229         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 230         * libitm/testsuite/libitm.c/priv-1.c: New.
 231
 232 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 233
 234         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 235
 236 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 237
 238         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 239         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 240         (gtm_rwlock::write_unlock): Likewise.
 241
 242 2016-01-13  Richard Henderson  <rth@redhat.com>
 243
 244         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 245         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 246         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 247         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 248         * configure.ac (ARCH_AARCH64): New conditional.
 249         (ARCH_PPC, ARCH_S390): Likewise.
 250         * Makefile.in, configure: Rebuild.
 251
 252         * libitm.h (_ITM_TYPE_M128): Always define.
 253         * vect64.cc: Split ...
 254         * vect128.cc: ... out of...
 255         * config/x86/x86_sse.cc: ... here.
 256         * config/arm/neon.cc: New file.
 257
 258 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 259
 260         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 261         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 262         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 263         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 264         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 265         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 266         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 267         (serialirr_dispatch::snapshot_most_recent): New.
 268         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 269
 270 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 271
 272         * libitm_i.h (gtm_mask_stack): Remove.
 273         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 274         * stmlock.h: Remove file.
 275         * config/alpha/cacheline.h: Likewise.
 276         * config/generic/cacheline.h: Likewise.
 277         * config/powerpc/cacheline.h: Likewise.
 278         * config/sparc/cacheline.h: Likewise.
 279         * config/x86/cacheline.h: Likewise.
 280
 281 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 282
 283         Update copyright years.
 284
 285         * libitm.texi: Bump @copying's copyright year.
 286
 287 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 288
 289         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 290         (ml_wt_dispatch::pre_write): Adapt.
 291         (ml_wt_dispatch::pre_load): Likewise.
 292
 293 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 294
 295         * libitm_i.h (gtm_alloc_action): Remove union.
 296         * testsuite/libitm.c/alloc-1.c: New.
 297
 298 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 299
 300         * testsuite/libitm.c++/eh-5.C: New.
 301         * libitm.h (_ITM_cxa_free_exception): New.
 302         * libitm.map (_ITM_cxa_free_exception): Add it.
 303         * libitm.texi: Update ABI docs.
 304         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 305         (gtm_transaction_cp::cxa_uncaught_count): Add.
 306         (gtm_thread::cxa_unthrown): Remove.
 307         (gtm_thread::cxa_uncaught_count_ptr): Add.
 308         (gtm_thread::cxa_uncaught_count): Add.
 309         (gtm_thread::drop_references_allocations): Rename to...
 310         (gtm_thread::discard_allocation): ... this and adapt.
 311         (gtm_thread::init_cpp_exceptions): New.
 312         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 313         (gtm_thread::begin_transaction): Likewise.
 314         (gtm_transaction_cp::save): Likewise.
 315         (gtm_thread::trycommit): Likewise.
 316         * eh_cpp.cc: Add overview comments.
 317         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 318         (free_any_exception, _ITM_cxa_free_exception): New.
 319         (gtm_thread::init_cpp_exceptions): Define.
 320         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 321         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 322         (gtm_thread::revert_cpp_exceptions): Likewise.
 323
 324 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 325
 326         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 327         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 328         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 329         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 330         (gtm_thread::forget_allocations): New overload with size_t argument.
 331         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 332         adapt existing one.
 333         (gtm_thread::record_allocation): Adapt.
 334         (gtm_thread::commit_allocations_1): Adapt.
 335         (gtm_thread::commit_allocations_2): Adapt.
 336         * testsuite/libitm.c++/newdelete.C: New.
 337
 338 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 339             Joseph Myers  <joseph@codesourcery.com>
 340             Mark Shinwell  <shinwell@codesourcery.com>
 341             Andrew Stubbs  <ams@codesourcery.com>
 342             Rich Felker <dalias@libc.org>
 343
 344         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 345         GTM_begin_transaction for compatibility with FDPIC.
 346
 347 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 348
 349         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 350         using load_gcc_lib.
 351
 352 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 353
 354         PR libitm/61164
 355         * local_atomic (__always_inline): Rename to...
 356         (__libitm_always_inline): ... this.
 357
 358 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 359
 360         PR target/52482
 361         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 362
 363 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 364
 365         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 366         operands "op" and "val" to int.
 367
 368 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 369
 370         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 371         "op" and "val" to int.
 372
 373 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 374
 375         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 376         "op" and "val" to int.
 377
 378 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 379
 380         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 381         Declare as static int.
 382         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 383         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 384
 385 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 386
 387         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 388         sys_futex0 function.
 389
 390 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 391
 392         * Makefile.in: Regenerated with automake-1.11.6.
 393         * aclocal.m4: Likewise.
 394         * configure: Likewise.
 395         * testsuite/Makefile.in: Likewise.
 396
 397 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 398
 399         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 400         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 401
 402 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 403
 404         PR libitm/64360
 405         * libitm.c/stackundo.c (test2): Make it static.
 406         (test1): Likewise.
 407
 408 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 409
 410         Update copyright years.
 411
 412 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 413
 414         * libitm.texi: Bump @copying's copyright year.
 415
 416 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 417
 418         * testsuite/lib/libitm.exp: Load target-utils.exp.
 419         Move load of target-supports.exp earlier.
 420
 421 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 422
 423         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 424
 425 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 426
 427         PR bootstrap/63784
 428         * configure: Regenerated.
 429
 430 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 431
 432         PR target/63610
 433         * configure: Regenerate.
 434
 435 2014-10-06  Marek Polacek  <polacek@redhat.com>
 436
 437         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 438         * testsuite/libitm.c/memset-1.c: Likewise.
 439
 440 2014-07-24  Richard Henderson  <rth@redhat.com>
 441
 442         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 443         addressing mode in epilogue.
 444
 445 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 446
 447         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 448         -mclear-hwcap instead.
 449         * configure: Regenerate.
 450         * clearcap.map: Remove.
 451
 452 2014-05-21  John Marino  <gnugcc@marino.st>
 453
 454         * configure.tgt (*-*-dragonfly*): New target.
 455
 456 2014-05-19  Richard Henderson  <rth@redhat.com>
 457
 458         * config/aarch64/sjlj.S: New file.
 459         * config/aarch64/target.h: New file.
 460         * configure.tgt: Enable aarch64.
 461
 462 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 463
 464         * config/generic/asmcfi.h: Also check for
 465         __GCC_HAVE_DWARF2_CFI_ASM.
 466
 467 2013-04-02  Richard Henderson  <rth@redhat.com>
 468
 469         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 470         * config/arm/target.h, config/sh/target.h: Likewise.
 471         * config/sparc/target.h, config/x86/target.h: Likewise.
 472
 473 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 474
 475         * config/linux/futex_bits.h: Include errno.h.
 476         (sys_futex0): If syscall returns -1, return -errno rather than
 477         -1.
 478
 479 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 480
 481         * libitm.texi (Index): Rename to Library Index.
 482
 483 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 484
 485         PR libitm/53113
 486         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 487         (x86_avx.lo): Append -mavx to CXXFLAGS.
 488         * Makefile.in: Regenerate.
 489
 490 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 491
 492         Update copyright years
 493
 494 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 495
 496         * libitm.texi: Bump @copying's copyright year.
 497
 498 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 499
 500         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 501         (FUNC): Define ELFv2 variant.
 502         (END): Likewise.
 503         (HIDDEN): Likewise.
 504         (CALL): Likewise.
 505         (BASE): Likewise.
 506         (LR_SAVE): Likewise.
 507
 508 2013-09-20  Alan Modra  <amodra@gmail.com>
 509
 510         * configure: Regenerate.
 511
 512 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 513
 514         * config/posix/rwlock.cc: Fix initialization order.
 515
 516 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 517
 518         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 519         (htm_fastpath): Assign an asm name.
 520         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 521         HTM fast paths.
 522         (_ITM_actions): Likewise.
 523         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 524         x86_64.
 525         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 526         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 527         field to the start of the structure.
 528         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 529         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 530         handling for custom HTM fast paths.
 531
 532 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 533         Revert:
 534         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 535
 536         * configure.tgt: Add -msoft-float to XCFLAGS.
 537
 538 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 539
 540         * configure.tgt: Add -msoft-float to XCFLAGS.
 541
 542 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 543
 544         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 545         (htm_transaction_active): Enable zEC12 instructions in the
 546         assembler.
 547         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 548
 549 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 550
 551         * acinclude.m4: Add htm asm check for s390.
 552         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 553         * configure: Regenerate.
 554         * config/s390/target.h: Remove __HTM__ check.
 555         (htm_available): Call getauxval to get hwcaps and check whether
 556         HTM is available or not.
 557
 558 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 559
 560         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 561         * configure.ac: Use it.
 562         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 563         (AC_CHECK_FUNCS): Check for getauxval.
 564         * config.h.in, configure: Rebuild.
 565         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 566         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 567         (USE_HTM_FASTPATH): Define.
 568         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 569         _HTM_RETRIES) New macros.
 570         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 571         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 572
 573 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 574
 575         * config/s390/target.h: Include htmintrin.h.
 576         (_HTM_ITM_RETRIES): New macro definition.
 577         (htm_available, htm_init, htm_begin, htm_begin_success)
 578         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 579
 580 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 581             Cesar Philippidis  <cesar@codesourcery.com>
 582
 583         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 584         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 585         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 586         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 587
 588 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 589
 590         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 591         (_ITM_getTransactionId): Same.
 592         * config/x86/target.h (htm_transaction_active): New.
 593
 594 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 595
 596         PR libitm/57643
 597         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 598         the HTM fastpath.
 599
 600 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 601
 602         PR bootstrap/56714
 603         * local_atomic (__always_inline): Always define our version.
 604         (__calculate_memory_order): Mark inline.
 605         (atomic_thread_fence): Ditto.
 606         (atomic_signal_fence): Ditto.
 607         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 608         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 609         (atomic_bool::atomic_flag_test_and_set): Ditto.
 610         (atomic_bool::atomic_flag_clear): Ditto.
 611
 612 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 613
 614         * config/s390/sjlj.S: New file.
 615         * config/s390/target.h: New file.
 616         * configure.tgt: Set options for S/390.
 617
 618 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 619
 620         * local_atomic (__always_inline): Add.
 621         (__calculate_memory_order, atomic_thread_fence,
 622          atomic_signal_fence, test_and_set, clear, store, load,
 623          exchange, compare_exchange_weak, compare_exchange_strong,
 624          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 625         Add __always_inline to force inlining.
 626
 627 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 628             Jack Howarth  <howarth@bromo.med.uc.edu>
 629             Patrick Marlier  <patrick.marlier@gmail.com>
 630
 631         PR libitm/55693
 632         * alloc_cpp.cc: Enable function declarations on darwin.
 633         * eh_cpp.cc: Likewise.
 634
 635 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 636
 637         Update copyright years.
 638
 639 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 640
 641         * beginend.cc (htm_fastpath): New.
 642         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 643         _ITM_commitTransactionEH): Add HTM fastpath handling.
 644         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 645         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 646         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 647         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 648         * configure.tgt: Add -mrtm to XCFLAGS.
 649         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 650         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 651         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 652         * retry.cc (parse_default_method): Add HTM method parsing.
 653         (gtm_thread::number_of_threads_changed): Use HTM by default if
 654         available.
 655
 656 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 657
 658         * configure: Regenerate.
 659
 660 2012-10-31  Richard Henderson  <rth@redhat.com>
 661
 662         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 663         * configure.ac: Use it.
 664         * config.h.in, configure: Rebuild.
 665         * testsuite/Makefile.in: Rebuild.
 666
 667 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 668
 669         * libitm.texi: Clarify ABI requirements for data-logging functions.
 670
 671 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 672
 673         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 674         it requires serial mode instead of assuming that for certain
 675         dispatchs.
 676         * dispatch.h (abi_dispatch::requires_serial): New.
 677         (abi_dispatch::abi_dispatch): Adapt.
 678         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 679         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 680         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 681         serial_dispatch::serial_dispatch,
 682         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 683
 684 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 685
 686         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 687         and ia32 declarations some more.
 688         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 689
 690 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 691
 692         PR other/43620
 693         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 694         * configure: Regenerate.
 695         * Makefile.in: Regenerate.
 696
 697 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 698
 699         * configure: Regenerated.
 700
 701 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 702
 703         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 704
 705 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 706
 707         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 708
 709 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 710
 711         * configure: Regenerated.
 712
 713 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 714
 715         PR libitm/52854
 716         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 717         for x86-64.
 718
 719 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 720
 721         * configure: Regenerate.
 722
 723 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 724
 725         PR bootstrap/52812
 726         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 727
 728 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 729
 730         * testsuite/lib/libitm.exp: load fortran-modules.exp
 731
 732 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 733
 734         * configure.tgt (*-*-irix6*): Remove.
 735
 736 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 737
 738         PR libitm/52526
 739         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 740         wake-up.
 741
 742 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 743
 744         * configure.tgt (*-*-osf*): Remove.
 745         * configure: Regenerate.
 746
 747 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 748
 749         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 750         memtransfer/memset if size isn't larger than zero.
 751
 752 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 753
 754         * libitm.texi: Link to specification and add a usage example.
 755
 756 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 757
 758         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 759         default dispatch for more than 1 thread to ml_wt.
 760
 761 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 762
 763         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 764
 765 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 766
 767         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 768
 769 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 770
 771         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 772         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 773         (gl_wt_dispatch.rollback): Same.
 774
 775 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 776
 777         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 778
 779 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 780
 781         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 782         for RfW src.  Optimize number of calls to gtm_thr.
 783
 784 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 785
 786         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 787         acquisition to ...
 788         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 789         (default_dispatch): Make atomic.
 790         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 791         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 792         use decide_begin_dispatch() if default_dispatch might have changed.
 793         (GTM::gtm_thread::number_of_threads_changed): Initialize
 794         default_dispatch here.
 795
 796 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 797             Patrick Marlier  <patrick.marlier@gmail.com>
 798
 799         PR libitm/52220
 800         * alloc_cpp.cc: No dummy definitions for darwin.
 801         * eh_cpp.cc: Likewise.
 802
 803 2012-02-14  Richard Henderson  <rth@redhat.com>
 804
 805         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 806
 807 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 808
 809         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 810
 811 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 812
 813         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 814         (GTM::gtm_thread): Add read and write logs.
 815         (GTM::dispatch_ml_wt): Declare.
 816         * retry.cc (parse_default_method): Support ml_wt.
 817         * method-ml.cc: New file.
 818         * Makefile.am: Add method-ml.cc.
 819         * Makefile.in: Regenerate.
 820
 821 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 822
 823         * dispatch.h (GTM::abi_dispatch::supports): New.
 824         (GTM::method_group::reinit): New.
 825         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 826         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 827         supports the current situation.
 828
 829 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 830
 831         * util.cc (GTM::xcalloc): New.
 832         * common.h (GTM::xcalloc): Declare.
 833
 834 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 835
 836         * config/sparc/target.h (cpu_relax): Read from CC register.
 837         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 838
 839 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 840
 841         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 842
 843 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 844
 845         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 846         * config/sparc/cacheline.h: New file.
 847         * config/sparc/target.h: Likewise.
 848         * config/sparc/sjlj.S: Likewise.
 849         * config/linux/sparc/futex_bits.h: Likewise.
 850
 851 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 852
 853         * configure.ac (link_itm): Fix comment.
 854         * configure: Regenerate.
 855         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 856
 857 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 858
 859         PR libitm/51822
 860         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 861         Correct libgomp references.
 862
 863 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 864
 865         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 866         wake-up.
 867
 868 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 869
 870         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 871         end of structure.
 872         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 873         offset values.  Do not copy return address.  Decrement stack
 874         by 56 bytes only.
 875         (GTM_longjump) [__x86_64__]: Update offset values.
 876
 877 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 878
 879         PR libitm/51830
 880         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 881         the first function argument to %eax.
 882
 883 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 884
 885         * libitm.h (_ITM_getThreadnum): Remove.
 886         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 887
 888 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 889
 890         * clearcap.map: New file.
 891         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 892         * configure.ac: Call it.
 893         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 894         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 895         * configure: Regenerate.
 896         * Makefile.in: Regenerate.
 897         * testsuite/Makefile.in: Regenerate.
 898
 899 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 900
 901         PR libitm/51173
 902         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 903         include, exclude options.
 904
 905 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 906
 907         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 908         rolling back.
 909         * containers.h (GTM::vector::set_size): New.
 910
 911 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 912
 913         PR libitm/51855
 914         * config/generic/tls.h (GTM::mask_stack_top): New.
 915         (GTM::mask_stack_bottom): Declare.
 916         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 917         * local.cc (gtm_undolog::rollback): Filter out any updates that
 918         overlap the libitm stack.  Add current transaction as parameter.
 919         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 920         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 921         * testsuite/libitm.c/stackundo.c: New test.
 922
 923 2012-01-10  Richard Henderson  <rth@redhat.com>
 924
 925         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 926         * eh_cpp.cc (_Unwind_DeleteException): Define for
 927         !HAVE_ELF_STYLE_WEAKREF.
 928
 929 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 930
 931         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 932         (GTM::gtm_thread::drop_references_undolog): Remove.
 933         (GTM::gtm_thread::commit_undolog,
 934         GTM::gtm_thread::rollback_undolog): Move to ...
 935         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 936         (GTM::gtm_undolog_entry): Remove.
 937         (GTM::gtm_thread): Adapt.
 938         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 939         (GTM::gtm_thread::trycommit): Adapt.
 940         * method-serial.cc (serial_dispatch::log): Adapt.
 941         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 942         (gl_wt_dispatch::store): Fix likely/unlikely.
 943         * containers.h (GTM::vector::resize): Add additional_capacity
 944         parameter and handle it.
 945         (GTM::vector::resize_noinline): New/adapt.
 946         (GTM::vector::push): New.
 947
 948 2012-01-06  Richard Henderson  <rth@redhat.com>
 949
 950         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 951         * config/linux/powerpc/futex_bits.h: New file.
 952         * config/powerpc/cacheline.h: New file.
 953         * config/powerpc/sjlj.S: New file.
 954         * config/powerpc/target.h: New file.
 955         * config/generic/asmcfi.h (cfi_offset): New.
 956         (cfi_restore, cfi_undefined): New.
 957
 958 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 959
 960         PR other/51171
 961         * testsuite/libitm.c/reentrant.c: Remove xfail.
 962         (thread): Pass x to pure().
 963         From Patrik Marlier <patrick.marlier@gmail.com>.
 964
 965 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 966
 967         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 968         privatization safety if already in serial mode.
 969
 970 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 971
 972         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 973         finish_serial_upgrade parameter.
 974         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 975         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 976         Don't unset reader flag.
 977         (GTM::gtm_rwlock::write_upgrade_finish): New.
 978         * config/posix/rwlock.cc: Same.
 979         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 980         Declare.
 981         * config/posix/rwlock.h: Same.
 982         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 983         flag after commit or after rollback when restarting.
 984
 985 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 986
 987         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 988         (GTM::gtm_thread::try_commit): Changed memory order.
 989         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 990         as parameter.
 991         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 992         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 993         * config/linux/futex_bits.h (sys_futex0): Same.
 994         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 995         * config/linux/futex.h (futex_wait, futex_wake): Same.
 996         * config/linux/rwlock.h (gtm_rwlock::writers,
 997         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 998         ints.
 999         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1000         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1001         gtm_rwlock::write_unlock): Fix memory orders and fences.
1002         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1003         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1004         gtm_rwlock::write_unlock): Same.
1005         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1006         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1007         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1008         Add comments.
1009         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1010         gl_wt_dispatch::load, gl_wt_dispatch::store,
1011         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1012         orders and fences.  Add comments.
1013
1014 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1015
1016         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1017         * Makefile.in: Regenerated.
1018
1019 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1020
1021         * configure.tgt: Add sh* case.
1022         * config/sh/target.h: New file.
1023         * config/sh/sjlj.S: New file.
1024         * config/linux/sh/futex_bits.h: New file.
1025
1026 2011-12-14  Richard Henderson  <rth@redhat.com>
1027
1028         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1029         * config/arm/sjlj.S, config/arm/target.h: New files.
1030         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1031         (cfi_rel_offset): New.
1032         * config/linux/futex_bits.h: New file.
1033         * config/linux/futex.cc: Include futex_bits.h here...
1034         * config/linux/futex.h: ... not here.
1035         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1036         * configure.ac (ARCH_AM): New conditional.
1037         * Makefile.in, configure: Rebuild.
1038         * configure.tgt: Handle ARM.
1039
1040 2011-12-13  Richard Henderson  <rth@redhat.com>
1041
1042         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1043         signed/unsigned comparison werror.
1044
1045         * local_atomic: New file.
1046         * libitm_i.h: Include it.
1047         (gtm_thread::shared_state): Use atomic template.
1048         * beginend.cc (GTM::gtm_clock): Use atomic template.
1049         (global_tid): Use atomic template if 64-bit atomics available.
1050         (gtm_thread::gtm_thread): Update shared_state access.
1051         (gtm_thread::trycommit): Likewise.
1052         (choose_code_path): Update global_tid access.
1053         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1054         * stmlock.h (GTM::gtm_clock): Use atomic template.
1055         (gtm_get_clock, gtm_inc_clock): Update accesses.
1056         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1057         redundant __sync_synchronize after atomic shared_state access.
1058         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1059         (gtm_rwlock::write_lock_generic): Likewise.
1060         (gtm_rwlock::read_unlock): Likewise.
1061         * config/alpha/target.h (atomic_read_barrier): Remove.
1062         (atomic_write_barrier): Remove.
1063         * config/x86/target.h (atomic_read_barrier): Remove.
1064         (atomic_write_barrier): Remove.
1065
1066 2011-11-30  Richard Henderson  <rth@redhat.com>
1067
1068         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1069         * beginend.c (_ITM_abortTransaction): Update to match.
1070         (GTM::gtm_thread::restart): Likewise.
1071         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1072         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1073
1074 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1075
1076         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1077         * Makefile.in: Regenerate.
1078
1079 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1080
1081         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1082         * alloc_cpp.cc: Generate dummy functions if we don't
1083         HAVE_ELF_STYLE_WEAKREF.
1084         * eh_cpp.cc: Likewise.
1085         * configure: Regenerate.
1086         * aclocal.m4:  Likewise.
1087         * config.h.in: Likewise.
1088         * Makefile.in: Likewise.
1089         * testsuite/Makefile.in: Likewise.
1090
1091 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1092
1093         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1094         __USER_LABEL_PREFIX__ for targets that use it.
1095         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1096         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1097         in portability to non-elf targets.
1098         (GTM_longjmp): Likewise.
1099         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1100         where required.
1101
1102 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1103
1104         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1105         * testsuite/libitm.c/memset-1.c: Likewise.
1106
1107 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1108
1109         * configure: Regenerate.
1110
1111 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1112
1113         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1114         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1115         * Makefile.am: Handle sun style versioning.
1116         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1117         * configure: Regenerate.
1118         * Makefile.in: Regenerate.
1119
1120 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1121
1122         * config/generic/asmcfi.h: Fix comment.
1123         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1124         sequence without .hidden support, error for non-ELF targets.
1125         (GTM_longjmp) [__ELF__]: Only use .hidden if
1126         HAVE_ATTRIBUTE_VISIBILITY.
1127
1128 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1129
1130         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1131         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1132         Dummy functions.
1133         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1134         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1135
1136 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1137
1138         PR bootstrap/51098
1139         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1140         * configure: Regenerate.
1141
1142 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1143
1144         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1145
1146 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1147
1148         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1149         .hidden.
1150         (.note.GNU-stack): Only use if __linux__.
1151         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1152         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1153         * testsuite/libitm.c/reentrant.c: Likewise.
1154         * testsuite/libitm.c/simple-2.c: Likewise.
1155         * testsuite/libitm.c/txrelease.c: Likewise.
1156         * testsuite/libitm.c++/static_ctor.C: Likewise.
1157
1158 2011-11-10  Richard Henderson  <rth@redhat.com>
1159
1160         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1161         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1162         * configure.ac (ARCH_X86_AVX): New conditional.
1163         * Makefile.in, configure: Rebuild.
1164
1165 2011-11-09  Richard Henderson  <rth@redhat.com>
1166
1167         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1168         * configure.ac: Use it.
1169         * config.h.in, configure: Rebuild.
1170         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1171
1172 2011-11-09  Richard Henderson  <rth@redhat.com>
1173
1174         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1175         * config/alpha/unaligned.h: Remove file.
1176         * config/generic/unaligned.h: Remove file.
1177         * config/x86/unaligned.h: Remove file.
1178         * config/generic/cachepage.h: Remove file.
1179         * config/posix/cachepage.cc: Remove file.
1180         * config/generic/cacheline.cc: Remove file.
1181         * config/x86/cacheline.cc: Remove file.
1182         * config/generic/cacheline.h (gtm_cacheline): Remove the
1183         store_mask, copy_mask, copy_mask_wb methods.
1184         * config/x86/cacheline.h: Likewise.
1185         * config/alpha/cacheline.h: Fall back to generic after setting size.
1186         * config/generic/tls.cc (gtm_mask_stack): Remove.
1187         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1188         (GTM_vpalignr_table): Remove.
1189         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1190         (GTM_pshift_table): Remove.
1191         * config/libitm_i.h: Don't include cachepage.h.
1192         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1193         * Makefile.in, testsuite/Makefile.in: Rebuild.
1194
1195 2011-11-09  Richard Henderson  <rth@redhat.com>
1196
1197         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1198         to emit branch prediction hint.
1199
1200         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1201         Protect .note.GNU-stack with __linux__.
1202
1203         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1204         * configure, aclocal.m4, config.h.in: Rebuild.
1205         * config/generic/asmcfi.h: New file.
1206         * config/x86/sjlj.S: Use it.
1207
1208 2011-11-08  Richard Henderson  <rth@redhat.com>
1209
1210         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1211
1212 2011-11-08  Richard Henderson  <rth@redhat.com>
1213
1214         * configure.tgt: Test correct directory for supported cpus.
1215
1216         * configure.ac: Exit if unsupported.
1217         * configure: Rebuild.
1218         * configure.tgt: Delete boilerplate from libgomp for unsupported
1219         targets.  Set UNSUPPORTED for unsupported targets.
1220
1221 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1222
1223         * configure.tgt: Handle i386 like i[456]86.
1224         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1225         take address.
1226         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1227         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1228
1229 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1230
1231         * method-wbetl.cc: Update copyright notice.
1232         * aatree.cc: Same.
1233         * util.cc: Same.
1234         * libitm.h: Same.
1235         * memset.cc: Same.
1236         * eh_cpp.cc: Same.
1237         * barrier.tpl: Same.
1238         * useraction.cc: Same.
1239         * stmlock.h: Same.
1240         * memcpy.cc: Same.
1241         * common.h: Same.
1242         * config/generic/tls.cc: Same.
1243         * config/generic/cacheline.h: Same.
1244         * config/generic/cachepage.h: Same.
1245         * config/generic/cacheline.cc: Same.
1246         * config/generic/unaligned.h: Same.
1247         * config/x86/cacheline.h: Same.
1248         * config/x86/cacheline.cc: Same.
1249         * config/x86/unaligned.h: Same.
1250         * config/alpha/cacheline.h: Same.
1251         * config/alpha/unaligned.h: Same.
1252         * config/alpha/sjlj.S: Same.
1253         * config/posix/cachepage.cc: Same.
1254         * config/linux/futex.h: Same.
1255         * config/linux/alpha/futex_bits.h: Same.
1256
1257 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1258
1259         * libitm.texi: No cover text and invariant sections.
1260
1261 2011-11-03  Richard Henderson  <rth@redhat.com>
1262
1263         * local_type_traits: New file.
1264         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1265
1266 2011-11-03  Richard Henderson  <rth@redhat.com>
1267
1268         * configure.ac: Don't test for gfortran.
1269         * configure: Rebuild.
1270
1271         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1272         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1273
1274 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1275
1276         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1277         * testsuite/libitm.c/memset-1.c: Same.
1278         * testsuite/libitm.c/c.exp: Same.
1279         * testsuite/lib/libitm-dg.exp: Same.
1280         * testsuite/lib/libitm.exp: Same.
1281         * testsuite/libitm.c++/c++.exp: Same.
1282
1283 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1284
1285         * testsuite/config/default.exp: Update copyright date.
1286         * configure.ac: Add copyright info.
1287         * configure.tgt: Same.
1288
1289 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1290
1291         * testsuite/libitm.c/reentrant.c: XFAIL.
1292         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1293
1294 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1295
1296         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1297         handle aborts.
1298         (_ITM_abortTransaction): Handle aborts of outer transactions.
1299         * libitm_i.h: Same.
1300         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1301         * libitm.texi: Document aborts of outer transactions.
1302         * testsuite/libitm.c/cancel.c: New file.
1303
1304 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1305
1306         * testsuite/*: Change __transaction to __transaction_atomic or
1307         __transaction_relaxed.
1308
1309 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1310
1311         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1312         (gtm_thr): Same.
1313
1314 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1315
1316         * libitm_i.h: Add gl_wt dispatch.
1317         * retry.cc (parse_default_method): Same.
1318         * method-gl.cc: New file.
1319         * Makefile.am: Use method-gl.cc.
1320         * Makefile.in: Rebuild.
1321
1322 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1323
1324         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1325         safety if requested by a TM method.
1326         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1327         privatization safety.
1328         * method-serial.cc: Same.
1329
1330 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1331
1332         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1333         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1334         undolog-related member functions from *_local to *_undolog.
1335         * local.cc (gtm_thread::commit_undolog): Same.
1336         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1337         (GTM::gtm_thread::rollback): Roll back undolog before
1338         dispatch-specific rollback.
1339
1340 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1341
1342         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1343         re-initialization of the current method group.
1344         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1345
1346 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1347
1348         * alloc.cc (commit_allocations_2): Do not free transaction-local
1349         memory when committing a nested transaction.
1350
1351 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1352
1353         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1354         serial-irrevocable dispatch, not serial.
1355
1356 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1357
1358         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1359         declarations.
1360         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1361         * method-serial.cc: Implement begin_or_restart().
1362         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1363         dispatch-specific begin_or_restart().
1364         (GTM::gtm_thread::restart): Same.
1365
1366 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1367
1368         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1369         restarting without switching to serial mode.
1370         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1371         transaction state. Choose closed-nesting alternative if available.
1372         (GTM::gtm_thread::set_default_dispatch): New.
1373         (parse_default_method): New.
1374         (GTM::gtm_thread::number_of_threads_changed): New.
1375         * method-serial.cc (GTM::serial_mg): New method group class.
1376         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1377         fini.
1378         (GTM::serial_dispatch): Same.
1379         (GTM::serialirr_onwrite_dispatch): Same.
1380         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1381         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1382         registered threads.
1383         (GTM::gtm_thread::gtm_thread): Same.
1384         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1385         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1386         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1387         choose dispatch but set state according to dispatch here.
1388         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1389         (GTM::method_group): New class.
1390         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1391         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1392         * libitm.texi: Document TM methods, method groups, method life cycle.
1393         Rename method sets to method groups.
1394
1395 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1396
1397         * config/x86/tls.h: Moved to ...
1398         * config/linux/x86/tls.h: ... here.
1399
1400 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1401
1402         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1403         Add X32 support.
1404         * config/x86/sjlj.S: Same.
1405
1406 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1407
1408         * config/linux/rwlock.h: New file.
1409         * config/linux/rwlock.c: New file.
1410         * configure.ac: Reenable futex support (undo SVN rev 157758).
1411         * Makefile.am: Same.
1412         * configure.tgt: Same.
1413         * config/linux/alpha/futex_bits.h: Same.
1414         * config/linux/futex.h: Same. Return number of woken processes.
1415         * config/linux/futex.cc: Same.
1416         (futex_wait): Remove spinning.
1417         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1418         Use __x86_64__ instead of __LP64__.
1419         * aclocal.m4: Include generic futex checks.
1420         * configure: Rebuild.
1421         * Makefile.in: Rebuild.
1422         * testsuite/Makefile.in: Rebuild.
1423         * beginend.cc: Include pthread.h.
1424         * config/posix/cachepage.cc: Same.
1425
1426 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1427
1428         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1429         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1430         (set_gtm_thr): New.
1431         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1432         (set_gtm_thr): New.
1433         (GTM::gtm_thread::thread_num): Removed.
1434         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1435         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1436         tx-to-thread renaming.
1437         * beginend.cc: Adapted to tx-to-thread renaming.
1438         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1439         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1440         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1441         gtm_transaction to gtm_thread.
1442         (_ITM_getThreadnum): Removed. Not supported anymore.
1443         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1444         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1445         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1446         gtm_tx-to-gtm_thr renaming if necessary.
1447         * eh_cpp.cc: Same.
1448         * local.cc: Same.
1449         * retry.cc: Same.
1450         * clone.cc: Same.
1451         * alloc.cc: Same.
1452         * alloc_c.cc: Same.
1453         * alloc_cpp.cc: Same.
1454         * method-serial.cc: Same.
1455         * config/generic/tls.cc: Same.
1456         * config/posix/rwlock.h (gtm_rwlock): Same.
1457         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1458
1459 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1460
1461         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1462         implementation.
1463         (gtm_rwlock::read_unlock): Same.
1464         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1465         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1466         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1467         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1468         w_upgrade. Replaced by per-transaction flags (in shared_state).
1469         Added c_confirmed_writers.
1470         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1471         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1472         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1473         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1474         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1475         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1476         * libitm.texi: Document locking conventions and implementations in
1477         libitm.
1478
1479 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1480
1481         * libitm_i.h (next_tx): Add list of all threads' transaction.
1482         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1483         transaction with list of transactions and ...
1484         (thread_exit_handler): ... deregister here.
1485         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1486         * config/x86/target.h: Same.
1487
1488 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1489
1490         * testsuite/libitm.c++/static_ctor.C: New file.
1491
1492 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1493
1494         * testsuite/libitm.c/reentrant.c: New file.
1495
1496 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1497
1498         * config/generic/tls.h: Remove the free list for transactions and ...
1499         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1500         (GTM::gtm_transaction::operator delete): ... and release here.
1501         (thread_exit_handler): New. Delete tx when thread terminates.
1502         (thread_exit_init): New.
1503         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1504         * testsuite/libitm.c/txrelease.c: New file.
1505
1506 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1507
1508         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1509         * testsuite/libitm.c/notx.c: New file.
1510
1511 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1512
1513         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1514         * libitm_i.h (local_tid): ... to here.
1515         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1516         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1517
1518 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1519
1520         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1521         serialirr_onwrite_dispatch as new default for now.
1522         * method-serial.cc (serialirr_onwrite_dispatch): New.
1523         (GTM::dispatch_serialirr_onwrite): New.
1524         * libitm_i.h: Same.
1525
1526 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1527
1528         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1529         * query.cc (_ITM_getTransactionId): There is no active transaction if
1530         the current nesting level is zero.
1531
1532 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1533
1534         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1535         rollback.
1536
1537 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1538
1539         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1540         transaction properties from the caller instead of from the
1541         transaction object.
1542         * libitm_i.h: Same.
1543         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1544
1545 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1546
1547         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1548         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1549         * dispatch.h: Same.
1550         * method-serial.cc: Same.
1551         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1552         flat nesting as default, and closed nesting on demand.
1553         (GTM::gtm_transaction::rollback): Same.
1554         (_ITM_abortTransaction): Same.
1555         (GTM::gtm_transaction::restart): Same.
1556         (GTM::gtm_transaction::trycommit): Same.
1557         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1558         (choose_code_path): New.
1559         (GTM::gtm_transaction_cp::save): New.
1560         (GTM::gtm_transaction_cp::commit): New.
1561         * query.cc (_ITM_inTransaction): Support flat nesting.
1562         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1563         (GTM::gtm_transaction): Support flat and closed nesting.
1564         * alloc.cc (commit_allocations_2): New.
1565         (commit_cb_data): New helper struct.
1566         (GTM::gtm_transaction::commit_allocations): Handle nested
1567         commits/rollbacks.
1568         * libitm.texi: Update user action section, add description of nesting.
1569
1570 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1571
1572         * libitm_i.h: Add closed nesting as restart reason.
1573         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1574
1575 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1576
1577         * useraction.cc: Use vector instead of list to store actions.
1578         Also support partial rollbacks for closed nesting.
1579         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1580         * beginend.cc: Same.
1581
1582 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1583
1584         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1585         closed_nesting flags, as well as a closed nesting alternative.
1586         * method-serial.cc: Same.
1587         (serial_dispatch): Renamed to serialirr_dispatch.
1588         (GTM::dispatch_serialirr): Same.
1589         (serial_dispatch_ul): Renamed to serial_dispatch.
1590         (GTM::dispatch_serial): Same.
1591
1592 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1593
1594         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1595
1596 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1597
1598         * aatree.h (aa_tree::remove): New.
1599         (aa_tree::operator new): Add placement new.
1600
1601 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1602
1603         * containers.h: New file.
1604         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1605         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1606         * common.h: ... to here.
1607         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1608         * local.cc: Same.
1609
1610 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1611
1612         * libitm_i.h (STATE_ABORTING): Remove.
1613         * beginend.cc (_ITM_abortTransaction): Same.
1614         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1615         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1616         (_ITM_rollbackTransaction): Remove.
1617         * beginend.cc: Same.
1618         * libitm.map: Same.
1619         * libitm.texi: Document these ABI changes.
1620
1621 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1622
1623         * libitm.texi: New file.
1624         * Makefile.am: Add libitm.texi.
1625         * Makefile.in: Rebuild.
1626
1627 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1628
1629         * libitm_i.h: Move parts to common.h and dispatch.h.
1630         * common.h: New file.
1631         * dispatch.h: New file, new dispatch class.
1632         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1633         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1634         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1635         decision to retry.cc.
1636         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1637         only.
1638         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1639         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1640         logging.
1641         * barrier.cc: Use new barriers definitions.
1642         (abi_dispatch::memmove_overlap_check): New.
1643         * config/x86/x86_sse.cc: Same.
1644         * config/x86/x86_avx.cc: Same.
1645         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1646         memcpy.cc.
1647         * Makefile.in: Rebuild.
1648         * method-readonly.cc: Remove.
1649         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1650         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1651
1652 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1653
1654         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1655         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1656         * testsuite/libitm.c/dropref-2.c: Same.
1657         * testsuite/libitm.c/dropref.c: Same.
1658
1659 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1660
1661         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1662         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1663         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1664         * alloc_c.cc: Same.
1665         * barrier.tpl: Same.
1666         * beginend.c: Same.
1667         * config/generic/tls.h: Same.
1668         * config/x86/tls.h: Same.
1669         * libitm_i.h: Same.
1670         * memcpy.cc: Same.
1671         * memset.cc: Same.
1672         * method-readonly.cc: Same.
1673         * method-serial.cc: Same.
1674         * method-wbetl.cc: Same.
1675         * retry.cc: Same.
1676
1677 2011-03-03  Richard Henderson  <rth@redhat.com>
1678
1679         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1680         From Patrik Marlier <patrick.marlier@unine.ch>.
1681
1682 2011-02-03  Richard Henderson  <rth@redhat.com>
1683
1684         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1685         * configure.ac: Use it.
1686         * configure, config.h.in: Rebuild.
1687         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1688         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1689         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1690         * libitm.map: Use wildcards to match size_t mangling.
1691
1692 2010-12-14  Richard Henderson  <rth@redhat.com>
1693
1694         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1695         blocks of TIDs per thread.
1696         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1697         (setup_gtm_thr): Return the thread structure.
1698         * config/x86/tls.h (setup_gtm_thr): Likewise.
1699
1700 2010-12-14  Richard Henderson  <rth@redhat.com>
1701
1702         * clone.cc (table_lock): Remove.
1703         (find_clone): Don't take it.
1704         (ExcludeTransaction): New helper class.
1705         (_ITM_registerTMCloneTable): Use it.
1706         (_ITM_deregisterTMCloneTable): Likewise.
1707
1708 2010-12-14  Richard Henderson  <rth@redhat.com>
1709
1710         * config/x86/tls.h: New file.
1711
1712 2010-07-15  Richard Henderson  <rth@redhat.com>
1713
1714         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1715         * Makefile.in: Rebuild.
1716
1717 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1718
1719         * method-wbetl.cc (trydropreference): Fix source line.
1720
1721 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1722
1723         * libitm.h: Add comment.
1724         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1725
1726 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1727
1728         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1729         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1730         available, use pthread mutexes.
1731         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1732         * config.h.in: Regenerate.
1733         * configure: Regenerate.
1734
1735 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1736
1737         * libitm.h (ITM_PURE): Define.
1738         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1739
1740 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1741
1742         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1743         (validate): Add comment.
1744         (trydropreference): New.
1745         * method-readonly.cc (class readonly_dispatch): Add
1746         trydropreference.
1747         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1748         Call trydropreference().
1749         * libitm.h (_ITM_dropReferences): Remove const attribute.
1750         * method-serial.cc (class serial_dispatch): Add trydropreference.
1751         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1752
1753 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1754
1755         * memcpy.cc (do_memcpy): Comment.
1756
1757 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1758
1759         * barrier.tpl: Add comments throughout.
1760
1761 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1762
1763         * method-wbetl.cc (struct w_entry): Add comments.
1764         (trycommit): Same.
1765         (rollback): Same.
1766
1767 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1768
1769         * alloc_c.cc (_ITM_dropReferences): New.
1770         * libitm.map (_ITM_dropReferences): Add.
1771         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1772         * libitm_i.h (struct gtm_transaction): Declare
1773         drop_references_allocations and drop_references_local.
1774         * local.cc (rollback_local): Ignore memory when applicable.
1775         (drop_references_local): New.
1776
1777 2010-06-23  Richard Henderson  <rth@redhat.com>
1778
1779         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1780         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1781         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1782         * config/alpha/target.h: Likewise.
1783         * config/generic/tls.cc (gtm_mask_stack): Use it.
1784
1785 2010-06-23  Richard Henderson  <rth@redhat.com>
1786
1787         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1788         a mutex instead of trying a lock-free compare-and-swap on the list.
1789         (gtm_cacheline_page::operator delete): Likewise.
1790
1791 2010-06-16  Richard Henderson  <rth@redhat.com>
1792
1793         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1794         that overlap the libitm stack.
1795         * barrier.tpl: Mark incoming stack.
1796         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1797         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1798         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1799         * memcpy.cc, memset.cc: Likewise.
1800         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1801         * config/generic/tls.h (gtm_thread): Add stack_top member.
1802         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1803         * libitm_i.h (gtm_mask_stack): Declare.
1804         * config/generic/tls.cc: New file.
1805         * Makefile.am (libitm_la_SOURCES): Add it.
1806         (AM_CXXFLAGS): Turn off exceptions.
1807         * Makefile.in: Rebuild.
1808
1809 2010-06-16  Richard Henderson  <rth@redhat.com>
1810
1811         * alloc.cc (struct gtm_alloc_action): Move definition ...
1812         * libitm_i.h: ... here.
1813         (class gtm_transaction): Declare new and delete.
1814         * beginend.cc (alloc_tx): Reformulate as operator new.
1815         (free_tx): Reformulate as operator delete.
1816         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1817
1818 2010-06-11  Richard Henderson  <rth@redhat.com>
1819
1820         * clone.cc (clone_entry_compare): Fix typo.
1821         From Patrik Marlier <patrick.marlier@unine.ch>.
1822
1823 2010-05-13  Richard Henderson  <rth@redhat.com>
1824
1825         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1826         in extern "C".
1827
1828 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1829
1830         * libitm_i.h (struct gtm_transaction): Remove
1831         get_allocation_size.
1832         (record_allocation): Remove size parameter.
1833         * libitm.map (_ITM_realloc): Remove.
1834         * alloc_c.cc (_ITM_realloc): Remove.
1835         (_ITM_malloc): Remove size argument to record_allocation.
1836         (_ITM_calloc): Same.
1837         * alloc_cpp.cc (_ZGTtnwm): Same.
1838         (_ZGTtnwmRKSt9nothrow_t): Same.
1839         (_ZGTtnam): Same.
1840         (_ZGTtnamRKSt9nothrow_t): Same.
1841         * alloc.cc (struct gtm_alloc_action): Remove size.
1842         (get_allocation_size): Remove.
1843         (commit_allocations): Add comment.
1844         (record_allocation): Remove size parameter.
1845         (forget_allocation): Remove set of size.
1846
1847 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1848
1849         * Makefile.am (abi_version): New.
1850         (AM_CXXFLAGS): Pass abi_version.
1851         * Makefile.in: Regenerate.
1852         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1853
1854 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1855
1856         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1857         _ITM_getTMCloneOrIrrevokable.
1858         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1859         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1860
1861 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1862
1863         * configure.ac: Remove Linux futex support.
1864         * configure.tgt (config_path): Same.
1865         * Makefile.am: Same.
1866         * config/linux: Remove entire directory.
1867         * configure: Rebuild.
1868         * Makefile.in: Rebuild.
1869         * testsuite/Makefile.in: Rebuild.
1870
1871 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1872
1873         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1874         switching to serial mode.
1875         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1876
1877 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1878
1879         * configure.tgt: Add emacs -*- tags.
1880         * barrier.tpl: Same.
1881
1882 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1883
1884         * Makefile.am: Rename serial.cc to method-serial.cc.
1885         * Makefile.in: Regenerate with automake 1.11.1.
1886         * testsuite/Makefile.in: Same.
1887         * aclocal.m4: Regenerate with aclocal 1.11.1.
1888         * method-serial.cc: Rename from serial.cc.
1889         * libitm_i.h (struct gtm_transaction): Update comment on
1890         serialirr_mode.
1891
1892 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1893
1894         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1895         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1896
1897 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1898
1899         * configure: Rebuild.
1900
1901 2009-11-12  Richard Henderson  <rth@redhat.com>
1902
1903         * Rewrite everything in C++.
1904
1905 2009-11-03  Richard Henderson  <rth@redhat.com>
1906
1907         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1908         * Makefile.am (libitm_la_SOURCES): Add them.
1909         * configure.ac (ARCH_X86): New conditional.
1910         * Makefile.in, configure: Rebuild.
1911         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1912         Move futex setup into "other system configury" case.
1913         * local.c (rollback_local): Merge into ...
1914         (GTM_rollback_local): ... here.
1915         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1916         (_ITM_LB): Define as an alias to GTM_LB.
1917
1918 2009-11-03  Richard Henderson  <rth@redhat.com>
1919
1920         * method-readonly.c: New file.
1921         * Makefile.am (libitm_la_SOURCES): Add it.
1922         * Makefile.in: Rebuild.
1923         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1924         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1925         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1926         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1927         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1928         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1929         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1930         gtm_get_clock, gtm_inc_clock): New.
1931         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1932         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1933         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1934         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1935         replace uses with new libitm_i.h symbols.
1936         (dispatch_wbetl): Rename from wbetl_dispatch.
1937         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1938         away from dispatch_readonly; abort if the beginTransaction call
1939         asserted that the transaction was readonly.
1940
1941 2009-11-03  Richard Henderson  <rth@redhat.com>
1942
1943         * memset.c: New file.
1944         * Makefile.am (libitm_la_SOURCES): Add it.
1945         * Makefile.in: Rebuild.
1946         * testsuite/libitm.c/memset-1.c: New.
1947
1948 2009-11-03  Richard Henderson  <rth@redhat.com>
1949
1950         * dispatch.c: Remove file.
1951         * useraction.c (struct gtm_user_action): Move from libitm.h.
1952         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1953         (serial_memset, serial_memmove, serial_memcpy): Remove.
1954         (serial_W*, serial_R*): Remove.
1955         (serial_dispatch): Update to match.
1956         * configure.ac: Move Werror down below configure checks.  Don't
1957         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1958         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1959         Use GCC_AC_FUNC_MMAP_BLACKLIST
1960         * libitm.h: Split out all internal items to...
1961         * libitm_i.h: ... here.  New file.
1962         * copymask.c: New file.
1963         * local.c (struct gtm_local_undo): Move from libitm.h.
1964         (GTM_alloc_local): Rename from alloc_local; export.
1965         * memcpy.c: New file.
1966         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1967         * config/posix/page.c: New file.
1968         * config/posix/target_tls.h: Remove file.
1969         * barrier.c: New file.
1970         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1971         copymask.c, page.c.
1972         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1973         * method-wbetl.c: Rewrite for new cacheline methods.
1974         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1975
1976         * config/alpha/sjlj.S: Fix typo.
1977         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1978         * config/alpha/copymask.c: New file.
1979         * config/alpha/target.h (CACHELINE_SIZE): New.
1980         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1981
1982         * config/x86/target_i.h: Copy functions from x86/target.h.
1983         * config/x86/copymask.c: New file.
1984         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1985         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1986         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1987         * config/x86/target_tls.h: Move contents to target_i.h.
1988
1989         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1990         * testsuite/libitm.c/memcpy-1.c: New.
1991
1992 2009-10-22  Richard Henderson  <rth@redhat.com>
1993
1994         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1995         (AM_CCASFLAGS): New.
1996         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1997         saving/restoring _AC_ARG_VAR_PRECIOUS.
1998         * Makefile.in, aclocal.m4, config.h.in, configure,
1999         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2000
2001 2009-10-22  Richard Henderson  <rth@redhat.com>
2002
2003         * testsuite/*: Update for new compiler syntax.
2004
2005 2009-10-21  Richard Henderson  <rth@redhat.com>
2006
2007         * libitm.h (_ITM_abortReason): Add outerAbort.
2008
2009 2009-08-03  Richard Henderson  <rth@redhat.com>
2010
2011         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2012         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2013         * method-wbetl.c (struct w_entry): Remove mask.
2014         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2015         adjust all callers.
2016
2017 2009-07-22  Richard Henderson  <rth@redhat.com>
2018
2019         * eh_cpp.c: New file.
2020         * Makefile.am (libitm_la_SOURCES): Add it.
2021         * Makefile.in: Rebuild.
2022         * beginend.c (GTM_rollback_transaction): Undo exception state.
2023         (GTM_trycommit_transaction): Mark inline.
2024         (GTM_trycommit_and_finalize_transaction): Split out from ...
2025         (_ITM_commitTransaction): ... here.
2026         (_ITM_commitTransactionEH): New function.
2027         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2028         cxa_unthrown, eh_in_flight; reorder.
2029
2030         * testsuite/libitm.c++/c++.exp: New.
2031         * testsuite/libitm.c++/eh-1.C: New.
2032
2033         * aatree.c (aa_free): Remove REGPARM.
2034         * aatree.h: Remove all REGPARM.
2035
2036 2009-07-18  Richard Henderson  <rth@redhat.com>
2037
2038         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2039         * Makefile.am (libitm_la_SOURCES): Add them.
2040         * Makefile.in: Rebuild.
2041         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2042         (GTM_trycommit_transaction): Likewise.
2043         * libitm.h: Include aatree.h
2044         (struct gtm_alloc_action): New.
2045         (struct gtm_transaction): Add alloc_actions.
2046         (GTM_record_allocation, GTM_forget_allocation): Declare.
2047         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2048         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2049         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2050         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2051         _ZGTtdaPvRKSt9nothrow_t): Export.
2052
2053 2009-07-18  Richard Henderson  <rth@redhat.com>
2054
2055         * target_tls.h: Move ...
2056         * config/posix/target_tls.h: ... here.
2057
2058 2009-07-07  Richard Henderson  <rth@redhat.com>
2059
2060         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2061
2062 2009-07-07  Richard Henderson  <rth@redhat.com>
2063
2064         * Update to GPL3.
2065
2066 2009-07-07  Richard Henderson  <rth@redhat.com>
2067
2068         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2069         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2070
2071         * configure.tgt: Don't use -ftls-model for x86 linux.
2072         * libitm.h: Include target.h after standard includes.
2073         (_gtm_thr): Rename from gtm_thr.
2074         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2075         (gtm_disp, set_gtm_disp): New.
2076         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2077         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2078         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2079
2080 2009-07-07  Richard Henderson  <rth@redhat.com>
2081
2082         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2083
2084 2009-07-06  Richard Henderson  <rth@redhat.com>
2085
2086         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2087         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2088         (_ITM_beginTransaction): Take variadic arguments.
2089         (_ITM_registerThrownObject): Declare.
2090         * beginend.c, serial.c: Update.
2091         * libitm.map: Add _ITM_registerThrownObject.
2092
2093 2009-01-28  Richard Henderson  <rth@redhat.com>
2094
2095         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2096         * Makefile.in: Rebuild.
2097         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2098         (GTM_restart_transaction): Fix uninstrumented code check.
2099         * retry.c (GTM_decide_retry_strategy): Add serial check.
2100         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2101         automatically go irrevokable when in serial mode.
2102         * clone.c: New file.
2103         * libitm.h, libitm.map: Update.
2104
2105 2009-01-27  Richard Henderson  <rth@redhat.com>
2106
2107         * Makefile.am (LTCCASCOMPILE): Define.
2108         (libitm_la_SOURCES): Add methid-wbetl.c.
2109         * testsuite/Makefile.am: New
2110         * configure.ac: Add testsuite/Makefile.
2111         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2112         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2113         (_ITM_abortTransaction): Finalize implementation method; pass
2114         transaction properties to longjmp.
2115         (GTM_restart_transaction): Split out from ...
2116         (_ITM_commitTransaction): ... here.
2117         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2118         Move to config/x86/target.h.
2119         * config/linux/alpha/futex_bits.h: New.
2120         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2121         * config/x86/target.h: Disable target types for 32-bit.
2122         * config/alpha/sjlj.S, config/alpha/target.h: New.
2123         * libitm.h (struct gtm_dispatch): Add init, fini.
2124         (enum restart_reason): New.
2125         (struct gtm_transaction): Add method and restarts.
2126         * retry.c (GTM_decide_retry_strategy): Implement.
2127         * serial.c (serial_init, serial_fini): New.
2128         (GTM_serialmode): Finialize outgoing method.
2129         * method-wbetl.c: New.
2130
2131 2008-12-09  Richard Henderson  <rth@redhat.com>
2132
2133         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2134         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2135         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2136         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2137         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2138         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2139         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2140         * serial.c (serial_R##T, serial_W##T): Likewise.
2141
2142 2008-11-21  Richard Henderson  <rth@redhat.com>
2143
2144         * Initial commit.
2145 \f
2146 Copyright (C) 2008-2018 Free Software Foundation, Inc.
2147
2148 Copying and distribution of this file, with or without modification,
2149 are permitted in any medium without royalty provided the copyright
2150 notice and this notice are preserved.