libitm/ChangeLog

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