libitm/ChangeLog

   1 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
   2
   3         PR libstdc++/79193
   4         PR libstdc++/88999
   5
   6         * configure: Regenerated.
   7
   8 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
   9
  10         * configure.ac: Handle `--with-toolexeclibdir='.
  11         * Makefile.in: Regenerate.
  12         * aclocal.m4: Regenerate.
  13         * configure: Regenerate.
  14         * testsuite/Makefile.in: Regenerate.
  15
  16 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
  17
  18         Update copyright years.
  19
  20         * libitm.texi: Bump @copying's copyright year.
  21
  22 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  23
  24         PR libgomp/91938
  25         * configure.tgt: Avoid IE tls on *-*-musl*.
  26
  27 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
  28
  29         * configure: Regenerate.
  30
  31 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  32
  33         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
  34
  35 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  36
  37         * configure.tgt: Handle *-*-uclinux*.
  38         * configure: Regenerate.
  39
  40 2019-09-06  Florian Weimer  <fweimer@redhat.com>
  41
  42         * configure: Regenerate.
  43
  44 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
  45
  46         PR other/79543
  47         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
  48         scanning to conform to the GNU Coding Standards.
  49         * configure: Regenerate.
  50
  51 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
  52
  53         * Makefile.am (finclude): Remove.
  54         * Makefile.in: Regenerated.
  55
  56 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  57
  58         Update copyright years.
  59
  60 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  61
  62         * libitm.texi: Bump @copying's copyright year.
  63
  64 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
  65
  66         PR c++/88482
  67         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
  68         void * to void (*) (void *).
  69         (_ITM_cxa_throw): Likewise.
  70         * libitm.h (_ITM_cxa_throw): Likewise.
  71         * libitm.texi (_ITM_cxa_throw): Likewise.
  72
  73 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
  74
  75         * config/powerpc/target.h (htm_available):  Add support for
  76         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
  77
  78 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
  79
  80         PR bootstrap/82856
  81         * Makefile.am: Include multilib.am.
  82         (AUTOMAKE_OPTIONS): Add info-in-builddir.
  83         (CLEANFILES): Remove libitm.info.
  84         * configure.ac: Remove AC_PREREQ.
  85         * testsuite/Makefile.am (RUNTEST): Remove quotes.
  86         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
  87         Regenerate.
  88
  89 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
  90
  91         PR libitm/86293
  92         * method-serial.cc: Mark varible as potentially unused
  93         to silence warning.
  94
  95 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
  96
  97         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
  98         absolute relocation in a shared library.
  99
 100 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 101
 102         PR libitm/85988
 103         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 104         __private_tm as base.
 105         (SEG_WRITE): Likewise.
 106         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 107         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 108         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 109         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 110         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 111
 112 2018-05-17  Jason Merrill  <jason@redhat.com>
 113
 114         * beginend.cc (save): Disable -Werror=deprecated-copy.
 115
 116 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 117
 118         PR testsuite/85106
 119         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 120
 121 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 122
 123         PR testsuite/85106
 124         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 125
 126 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 127
 128         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 129         (__CET__ & 2) != 0 check for shadow stack.
 130         (GTM_longjmp): Likewise.
 131
 132 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 133
 134         * configure: Regenerated.
 135
 136 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 137
 138         PR target/85489
 139         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 140
 141 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 142
 143         * configure: Regenerated.
 144
 145 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 146
 147         PR jit/85384
 148         * configure: Regenerate.
 149
 150 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 151
 152         PR target/84148
 153         * configure: Regenerate.
 154
 155 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 156
 157         Update copyright years.
 158
 159         * libitm.texi: Bump @copying's copyright year.
 160
 161 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 162
 163         * Makefile.in: Regenerate.
 164         * acinclude.m4: Add enable.m4 and cet.m4.
 165         * config/x86/sjlj.S: Include cet.h.
 166         (_ITM_beginTransaction): Add _CET_ENDBR.
 167         Save Shadow Stack pointer.
 168         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 169         * config/x86/target.h (struct gtm_jmpbuf):
 170         Add new field for Shadow Stack pointer.
 171         * configure: Regenerate.
 172         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 173         * configure.ac: Update libtool_VERSION for x86.
 174         * testsuite/Makefile.in: Regenerate.
 175
 176 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 177
 178         * libitm/config/x86/target.h: Add new field (ssp).
 179         * libitm/config/x86/sjlj.S: Change offsets.
 180
 181 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 182
 183         * testsuite/lib/libitm.exp: Load scanlang.exp.
 184
 185 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 186
 187         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 188
 189 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 190
 191         PR other/79046
 192         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 193         of cat to get version from BASE-VER file.
 194         * testsuite/Makefile.in: Regenerated.
 195
 196 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 197
 198         * config/x86/target.h (htm_available): Determine vendor from
 199         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 200
 201 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 202
 203         * config/x86/target.h (htm_available): Add check for some processors
 204         on which TSX is broken.
 205
 206 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 207
 208         PR other/79046
 209         * configure.ac: Add GCC_BASE_VER.
 210         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 211         get version from BASE-VER file.
 212         * testsuite/Makefile.in: Regenerated.
 213         * configure: Regenerated.
 214         * Makefile.in: Regenerated.
 215
 216 2017-01-04  Alan Modra  <amodra@gmail.com>
 217
 218         * Makefile.in: Regenerate.
 219         * testsuite/Makefile.in: Regenerate.
 220
 221 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 222
 223         Update copyright years.
 224
 225         * libitm.texi: Bump @copying's copyright year.
 226
 227 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 228
 229         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 230         * aclocal.m4: Regenerate.
 231         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 232         LIBITM_CHECK_LINKER_HWCAP.
 233
 234 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 235
 236         * configure: Regenerate.
 237
 238 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 239
 240         PR libitm/70456
 241         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 242         on cache line if requested.
 243
 244 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 245
 246         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 247         function attribute to disable floating point in begin_transaction() on
 248         S/390.
 249         * beginend.cc (begin_transaction): Use
 250         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 251
 252 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 253
 254         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 255         boundary.
 256         (htm_fastpath): Remove.
 257         (gtm_thread::begin_transaction): Fix HTM fastpath.
 258         (_ITM_commitTransaction): Adapt.
 259         (_ITM_commitTransactionEH): Adapt.
 260         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 261         and accessors.
 262         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 263         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 264         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 265         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 266         * libitm/method-serial.cc (htm_mg): Adapt.
 267         (gtm_thread::serialirr_mode): Adapt.
 268         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 269
 270 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 271
 272         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 273         or AIX.
 274
 275 2016-01-19  Richard Henderson  <rth@redhat.com>
 276
 277         PR bootstrap/69343
 278         PR bootstrap/69339
 279         Revert:
 280         2016-01-13  Richard Henderson  <rth@redhat.com>
 281
 282         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 283         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 284         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 285         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 286         * configure.ac (ARCH_AARCH64): New conditional.
 287         (ARCH_PPC, ARCH_S390): Likewise.
 288         * Makefile.in, configure: Rebuild.
 289
 290         * libitm.h (_ITM_TYPE_M128): Always define.
 291         * vect64.cc: Split ...
 292         * vect128.cc: ... out of...
 293         * config/x86/x86_sse.cc: ... here.
 294         * config/arm/neon.cc: New file.
 295
 296 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 297
 298         * local_type_traits: Remove file.
 299         * libitm_i.h: Don't include it anymore.
 300         (sized_integral): Remove.
 301
 302 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 303
 304         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 305         safety.
 306         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 307         * libitm/testsuite/libitm.c/priv-1.c: New.
 308
 309 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 310
 311         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 312
 313 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 314
 315         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 316         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 317         (gtm_rwlock::write_unlock): Likewise.
 318
 319 2016-01-13  Richard Henderson  <rth@redhat.com>
 320
 321         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 322         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 323         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 324         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 325         * configure.ac (ARCH_AARCH64): New conditional.
 326         (ARCH_PPC, ARCH_S390): Likewise.
 327         * Makefile.in, configure: Rebuild.
 328
 329         * libitm.h (_ITM_TYPE_M128): Always define.
 330         * vect64.cc: Split ...
 331         * vect128.cc: ... out of...
 332         * config/x86/x86_sse.cc: ... here.
 333         * config/arm/neon.cc: New file.
 334
 335 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 336
 337         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 338         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 339         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 340         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 341         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 342         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 343         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 344         (serialirr_dispatch::snapshot_most_recent): New.
 345         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 346
 347 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 348
 349         * libitm_i.h (gtm_mask_stack): Remove.
 350         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 351         * stmlock.h: Remove file.
 352         * config/alpha/cacheline.h: Likewise.
 353         * config/generic/cacheline.h: Likewise.
 354         * config/powerpc/cacheline.h: Likewise.
 355         * config/sparc/cacheline.h: Likewise.
 356         * config/x86/cacheline.h: Likewise.
 357
 358 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 359
 360         Update copyright years.
 361
 362         * libitm.texi: Bump @copying's copyright year.
 363
 364 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 365
 366         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 367         (ml_wt_dispatch::pre_write): Adapt.
 368         (ml_wt_dispatch::pre_load): Likewise.
 369
 370 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 371
 372         * libitm_i.h (gtm_alloc_action): Remove union.
 373         * testsuite/libitm.c/alloc-1.c: New.
 374
 375 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 376
 377         * testsuite/libitm.c++/eh-5.C: New.
 378         * libitm.h (_ITM_cxa_free_exception): New.
 379         * libitm.map (_ITM_cxa_free_exception): Add it.
 380         * libitm.texi: Update ABI docs.
 381         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 382         (gtm_transaction_cp::cxa_uncaught_count): Add.
 383         (gtm_thread::cxa_unthrown): Remove.
 384         (gtm_thread::cxa_uncaught_count_ptr): Add.
 385         (gtm_thread::cxa_uncaught_count): Add.
 386         (gtm_thread::drop_references_allocations): Rename to...
 387         (gtm_thread::discard_allocation): ... this and adapt.
 388         (gtm_thread::init_cpp_exceptions): New.
 389         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 390         (gtm_thread::begin_transaction): Likewise.
 391         (gtm_transaction_cp::save): Likewise.
 392         (gtm_thread::trycommit): Likewise.
 393         * eh_cpp.cc: Add overview comments.
 394         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 395         (free_any_exception, _ITM_cxa_free_exception): New.
 396         (gtm_thread::init_cpp_exceptions): Define.
 397         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 398         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 399         (gtm_thread::revert_cpp_exceptions): Likewise.
 400
 401 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 402
 403         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 404         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 405         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 406         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 407         (gtm_thread::forget_allocations): New overload with size_t argument.
 408         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 409         adapt existing one.
 410         (gtm_thread::record_allocation): Adapt.
 411         (gtm_thread::commit_allocations_1): Adapt.
 412         (gtm_thread::commit_allocations_2): Adapt.
 413         * testsuite/libitm.c++/newdelete.C: New.
 414
 415 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 416             Joseph Myers  <joseph@codesourcery.com>
 417             Mark Shinwell  <shinwell@codesourcery.com>
 418             Andrew Stubbs  <ams@codesourcery.com>
 419             Rich Felker <dalias@libc.org>
 420
 421         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 422         GTM_begin_transaction for compatibility with FDPIC.
 423
 424 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 425
 426         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 427         using load_gcc_lib.
 428
 429 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 430
 431         PR libitm/61164
 432         * local_atomic (__always_inline): Rename to...
 433         (__libitm_always_inline): ... this.
 434
 435 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 436
 437         PR target/52482
 438         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 439
 440 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 441
 442         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 443         operands "op" and "val" to int.
 444
 445 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 446
 447         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 448         "op" and "val" to int.
 449
 450 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 451
 452         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 453         "op" and "val" to int.
 454
 455 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 456
 457         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 458         Declare as static int.
 459         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 460         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 461
 462 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 463
 464         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 465         sys_futex0 function.
 466
 467 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 468
 469         * Makefile.in: Regenerated with automake-1.11.6.
 470         * aclocal.m4: Likewise.
 471         * configure: Likewise.
 472         * testsuite/Makefile.in: Likewise.
 473
 474 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 475
 476         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 477         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 478
 479 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 480
 481         PR libitm/64360
 482         * libitm.c/stackundo.c (test2): Make it static.
 483         (test1): Likewise.
 484
 485 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 486
 487         Update copyright years.
 488
 489 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 490
 491         * libitm.texi: Bump @copying's copyright year.
 492
 493 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 494
 495         * testsuite/lib/libitm.exp: Load target-utils.exp.
 496         Move load of target-supports.exp earlier.
 497
 498 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 499
 500         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 501
 502 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 503
 504         PR bootstrap/63784
 505         * configure: Regenerated.
 506
 507 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 508
 509         PR target/63610
 510         * configure: Regenerate.
 511
 512 2014-10-06  Marek Polacek  <polacek@redhat.com>
 513
 514         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 515         * testsuite/libitm.c/memset-1.c: Likewise.
 516
 517 2014-07-24  Richard Henderson  <rth@redhat.com>
 518
 519         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 520         addressing mode in epilogue.
 521
 522 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 523
 524         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 525         -mclear-hwcap instead.
 526         * configure: Regenerate.
 527         * clearcap.map: Remove.
 528
 529 2014-05-21  John Marino  <gnugcc@marino.st>
 530
 531         * configure.tgt (*-*-dragonfly*): New target.
 532
 533 2014-05-19  Richard Henderson  <rth@redhat.com>
 534
 535         * config/aarch64/sjlj.S: New file.
 536         * config/aarch64/target.h: New file.
 537         * configure.tgt: Enable aarch64.
 538
 539 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 540
 541         * config/generic/asmcfi.h: Also check for
 542         __GCC_HAVE_DWARF2_CFI_ASM.
 543
 544 2013-04-02  Richard Henderson  <rth@redhat.com>
 545
 546         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 547         * config/arm/target.h, config/sh/target.h: Likewise.
 548         * config/sparc/target.h, config/x86/target.h: Likewise.
 549
 550 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 551
 552         * config/linux/futex_bits.h: Include errno.h.
 553         (sys_futex0): If syscall returns -1, return -errno rather than
 554         -1.
 555
 556 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 557
 558         * libitm.texi (Index): Rename to Library Index.
 559
 560 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 561
 562         PR libitm/53113
 563         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 564         (x86_avx.lo): Append -mavx to CXXFLAGS.
 565         * Makefile.in: Regenerate.
 566
 567 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 568
 569         Update copyright years
 570
 571 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 572
 573         * libitm.texi: Bump @copying's copyright year.
 574
 575 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 576
 577         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 578         (FUNC): Define ELFv2 variant.
 579         (END): Likewise.
 580         (HIDDEN): Likewise.
 581         (CALL): Likewise.
 582         (BASE): Likewise.
 583         (LR_SAVE): Likewise.
 584
 585 2013-09-20  Alan Modra  <amodra@gmail.com>
 586
 587         * configure: Regenerate.
 588
 589 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 590
 591         * config/posix/rwlock.cc: Fix initialization order.
 592
 593 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 594
 595         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 596         (htm_fastpath): Assign an asm name.
 597         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 598         HTM fast paths.
 599         (_ITM_actions): Likewise.
 600         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 601         x86_64.
 602         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 603         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 604         field to the start of the structure.
 605         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 606         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 607         handling for custom HTM fast paths.
 608
 609 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 610         Revert:
 611         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 612
 613         * configure.tgt: Add -msoft-float to XCFLAGS.
 614
 615 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 616
 617         * configure.tgt: Add -msoft-float to XCFLAGS.
 618
 619 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 620
 621         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 622         (htm_transaction_active): Enable zEC12 instructions in the
 623         assembler.
 624         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 625
 626 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 627
 628         * acinclude.m4: Add htm asm check for s390.
 629         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 630         * configure: Regenerate.
 631         * config/s390/target.h: Remove __HTM__ check.
 632         (htm_available): Call getauxval to get hwcaps and check whether
 633         HTM is available or not.
 634
 635 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 636
 637         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 638         * configure.ac: Use it.
 639         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 640         (AC_CHECK_FUNCS): Check for getauxval.
 641         * config.h.in, configure: Rebuild.
 642         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 643         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 644         (USE_HTM_FASTPATH): Define.
 645         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 646         _HTM_RETRIES) New macros.
 647         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 648         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 649
 650 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 651
 652         * config/s390/target.h: Include htmintrin.h.
 653         (_HTM_ITM_RETRIES): New macro definition.
 654         (htm_available, htm_init, htm_begin, htm_begin_success)
 655         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 656
 657 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 658             Cesar Philippidis  <cesar@codesourcery.com>
 659
 660         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 661         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 662         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 663         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 664
 665 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 666
 667         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 668         (_ITM_getTransactionId): Same.
 669         * config/x86/target.h (htm_transaction_active): New.
 670
 671 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 672
 673         PR libitm/57643
 674         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 675         the HTM fastpath.
 676
 677 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 678
 679         PR bootstrap/56714
 680         * local_atomic (__always_inline): Always define our version.
 681         (__calculate_memory_order): Mark inline.
 682         (atomic_thread_fence): Ditto.
 683         (atomic_signal_fence): Ditto.
 684         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 685         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 686         (atomic_bool::atomic_flag_test_and_set): Ditto.
 687         (atomic_bool::atomic_flag_clear): Ditto.
 688
 689 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 690
 691         * config/s390/sjlj.S: New file.
 692         * config/s390/target.h: New file.
 693         * configure.tgt: Set options for S/390.
 694
 695 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 696
 697         * local_atomic (__always_inline): Add.
 698         (__calculate_memory_order, atomic_thread_fence,
 699          atomic_signal_fence, test_and_set, clear, store, load,
 700          exchange, compare_exchange_weak, compare_exchange_strong,
 701          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 702         Add __always_inline to force inlining.
 703
 704 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 705             Jack Howarth  <howarth@bromo.med.uc.edu>
 706             Patrick Marlier  <patrick.marlier@gmail.com>
 707
 708         PR libitm/55693
 709         * alloc_cpp.cc: Enable function declarations on darwin.
 710         * eh_cpp.cc: Likewise.
 711
 712 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 713
 714         Update copyright years.
 715
 716 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 717
 718         * beginend.cc (htm_fastpath): New.
 719         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 720         _ITM_commitTransactionEH): Add HTM fastpath handling.
 721         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 722         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 723         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 724         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 725         * configure.tgt: Add -mrtm to XCFLAGS.
 726         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 727         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 728         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 729         * retry.cc (parse_default_method): Add HTM method parsing.
 730         (gtm_thread::number_of_threads_changed): Use HTM by default if
 731         available.
 732
 733 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 734
 735         * configure: Regenerate.
 736
 737 2012-10-31  Richard Henderson  <rth@redhat.com>
 738
 739         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 740         * configure.ac: Use it.
 741         * config.h.in, configure: Rebuild.
 742         * testsuite/Makefile.in: Rebuild.
 743
 744 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 745
 746         * libitm.texi: Clarify ABI requirements for data-logging functions.
 747
 748 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 749
 750         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 751         it requires serial mode instead of assuming that for certain
 752         dispatchs.
 753         * dispatch.h (abi_dispatch::requires_serial): New.
 754         (abi_dispatch::abi_dispatch): Adapt.
 755         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 756         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 757         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 758         serial_dispatch::serial_dispatch,
 759         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 760
 761 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 762
 763         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 764         and ia32 declarations some more.
 765         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 766
 767 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 768
 769         PR other/43620
 770         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 771         * configure: Regenerate.
 772         * Makefile.in: Regenerate.
 773
 774 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 775
 776         * configure: Regenerated.
 777
 778 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 779
 780         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 781
 782 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 783
 784         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 785
 786 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 787
 788         * configure: Regenerated.
 789
 790 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 791
 792         PR libitm/52854
 793         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 794         for x86-64.
 795
 796 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 797
 798         * configure: Regenerate.
 799
 800 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 801
 802         PR bootstrap/52812
 803         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 804
 805 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 806
 807         * testsuite/lib/libitm.exp: load fortran-modules.exp
 808
 809 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 810
 811         * configure.tgt (*-*-irix6*): Remove.
 812
 813 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 814
 815         PR libitm/52526
 816         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 817         wake-up.
 818
 819 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 820
 821         * configure.tgt (*-*-osf*): Remove.
 822         * configure: Regenerate.
 823
 824 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 825
 826         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 827         memtransfer/memset if size isn't larger than zero.
 828
 829 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 830
 831         * libitm.texi: Link to specification and add a usage example.
 832
 833 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 834
 835         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 836         default dispatch for more than 1 thread to ml_wt.
 837
 838 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 839
 840         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 841
 842 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 843
 844         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 845
 846 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 847
 848         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 849         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 850         (gl_wt_dispatch.rollback): Same.
 851
 852 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 853
 854         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 855
 856 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 857
 858         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 859         for RfW src.  Optimize number of calls to gtm_thr.
 860
 861 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 862
 863         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 864         acquisition to ...
 865         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 866         (default_dispatch): Make atomic.
 867         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 868         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 869         use decide_begin_dispatch() if default_dispatch might have changed.
 870         (GTM::gtm_thread::number_of_threads_changed): Initialize
 871         default_dispatch here.
 872
 873 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 874             Patrick Marlier  <patrick.marlier@gmail.com>
 875
 876         PR libitm/52220
 877         * alloc_cpp.cc: No dummy definitions for darwin.
 878         * eh_cpp.cc: Likewise.
 879
 880 2012-02-14  Richard Henderson  <rth@redhat.com>
 881
 882         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 883
 884 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 885
 886         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 887
 888 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 889
 890         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 891         (GTM::gtm_thread): Add read and write logs.
 892         (GTM::dispatch_ml_wt): Declare.
 893         * retry.cc (parse_default_method): Support ml_wt.
 894         * method-ml.cc: New file.
 895         * Makefile.am: Add method-ml.cc.
 896         * Makefile.in: Regenerate.
 897
 898 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 899
 900         * dispatch.h (GTM::abi_dispatch::supports): New.
 901         (GTM::method_group::reinit): New.
 902         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 903         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 904         supports the current situation.
 905
 906 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 907
 908         * util.cc (GTM::xcalloc): New.
 909         * common.h (GTM::xcalloc): Declare.
 910
 911 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 912
 913         * config/sparc/target.h (cpu_relax): Read from CC register.
 914         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 915
 916 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 917
 918         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 919
 920 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 921
 922         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 923         * config/sparc/cacheline.h: New file.
 924         * config/sparc/target.h: Likewise.
 925         * config/sparc/sjlj.S: Likewise.
 926         * config/linux/sparc/futex_bits.h: Likewise.
 927
 928 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 929
 930         * configure.ac (link_itm): Fix comment.
 931         * configure: Regenerate.
 932         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 933
 934 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 935
 936         PR libitm/51822
 937         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 938         Correct libgomp references.
 939
 940 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 941
 942         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 943         wake-up.
 944
 945 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 946
 947         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 948         end of structure.
 949         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 950         offset values.  Do not copy return address.  Decrement stack
 951         by 56 bytes only.
 952         (GTM_longjump) [__x86_64__]: Update offset values.
 953
 954 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 955
 956         PR libitm/51830
 957         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 958         the first function argument to %eax.
 959
 960 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 961
 962         * libitm.h (_ITM_getThreadnum): Remove.
 963         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 964
 965 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 966
 967         * clearcap.map: New file.
 968         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 969         * configure.ac: Call it.
 970         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 971         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 972         * configure: Regenerate.
 973         * Makefile.in: Regenerate.
 974         * testsuite/Makefile.in: Regenerate.
 975
 976 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 977
 978         PR libitm/51173
 979         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 980         include, exclude options.
 981
 982 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 983
 984         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 985         rolling back.
 986         * containers.h (GTM::vector::set_size): New.
 987
 988 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 989
 990         PR libitm/51855
 991         * config/generic/tls.h (GTM::mask_stack_top): New.
 992         (GTM::mask_stack_bottom): Declare.
 993         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 994         * local.cc (gtm_undolog::rollback): Filter out any updates that
 995         overlap the libitm stack.  Add current transaction as parameter.
 996         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 997         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 998         * testsuite/libitm.c/stackundo.c: New test.
 999
1000 2012-01-10  Richard Henderson  <rth@redhat.com>
1001
1002         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1003         * eh_cpp.cc (_Unwind_DeleteException): Define for
1004         !HAVE_ELF_STYLE_WEAKREF.
1005
1006 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1007
1008         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1009         (GTM::gtm_thread::drop_references_undolog): Remove.
1010         (GTM::gtm_thread::commit_undolog,
1011         GTM::gtm_thread::rollback_undolog): Move to ...
1012         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1013         (GTM::gtm_undolog_entry): Remove.
1014         (GTM::gtm_thread): Adapt.
1015         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1016         (GTM::gtm_thread::trycommit): Adapt.
1017         * method-serial.cc (serial_dispatch::log): Adapt.
1018         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1019         (gl_wt_dispatch::store): Fix likely/unlikely.
1020         * containers.h (GTM::vector::resize): Add additional_capacity
1021         parameter and handle it.
1022         (GTM::vector::resize_noinline): New/adapt.
1023         (GTM::vector::push): New.
1024
1025 2012-01-06  Richard Henderson  <rth@redhat.com>
1026
1027         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1028         * config/linux/powerpc/futex_bits.h: New file.
1029         * config/powerpc/cacheline.h: New file.
1030         * config/powerpc/sjlj.S: New file.
1031         * config/powerpc/target.h: New file.
1032         * config/generic/asmcfi.h (cfi_offset): New.
1033         (cfi_restore, cfi_undefined): New.
1034
1035 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1036
1037         PR other/51171
1038         * testsuite/libitm.c/reentrant.c: Remove xfail.
1039         (thread): Pass x to pure().
1040         From Patrik Marlier <patrick.marlier@gmail.com>.
1041
1042 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1043
1044         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1045         privatization safety if already in serial mode.
1046
1047 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1048
1049         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1050         finish_serial_upgrade parameter.
1051         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1052         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1053         Don't unset reader flag.
1054         (GTM::gtm_rwlock::write_upgrade_finish): New.
1055         * config/posix/rwlock.cc: Same.
1056         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1057         Declare.
1058         * config/posix/rwlock.h: Same.
1059         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1060         flag after commit or after rollback when restarting.
1061
1062 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1063
1064         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1065         (GTM::gtm_thread::try_commit): Changed memory order.
1066         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1067         as parameter.
1068         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1069         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1070         * config/linux/futex_bits.h (sys_futex0): Same.
1071         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1072         * config/linux/futex.h (futex_wait, futex_wake): Same.
1073         * config/linux/rwlock.h (gtm_rwlock::writers,
1074         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1075         ints.
1076         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1077         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1078         gtm_rwlock::write_unlock): Fix memory orders and fences.
1079         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1080         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1081         gtm_rwlock::write_unlock): Same.
1082         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1083         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1084         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1085         Add comments.
1086         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1087         gl_wt_dispatch::load, gl_wt_dispatch::store,
1088         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1089         orders and fences.  Add comments.
1090
1091 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1092
1093         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1094         * Makefile.in: Regenerated.
1095
1096 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1097
1098         * configure.tgt: Add sh* case.
1099         * config/sh/target.h: New file.
1100         * config/sh/sjlj.S: New file.
1101         * config/linux/sh/futex_bits.h: New file.
1102
1103 2011-12-14  Richard Henderson  <rth@redhat.com>
1104
1105         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1106         * config/arm/sjlj.S, config/arm/target.h: New files.
1107         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1108         (cfi_rel_offset): New.
1109         * config/linux/futex_bits.h: New file.
1110         * config/linux/futex.cc: Include futex_bits.h here...
1111         * config/linux/futex.h: ... not here.
1112         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1113         * configure.ac (ARCH_AM): New conditional.
1114         * Makefile.in, configure: Rebuild.
1115         * configure.tgt: Handle ARM.
1116
1117 2011-12-13  Richard Henderson  <rth@redhat.com>
1118
1119         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1120         signed/unsigned comparison werror.
1121
1122         * local_atomic: New file.
1123         * libitm_i.h: Include it.
1124         (gtm_thread::shared_state): Use atomic template.
1125         * beginend.cc (GTM::gtm_clock): Use atomic template.
1126         (global_tid): Use atomic template if 64-bit atomics available.
1127         (gtm_thread::gtm_thread): Update shared_state access.
1128         (gtm_thread::trycommit): Likewise.
1129         (choose_code_path): Update global_tid access.
1130         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1131         * stmlock.h (GTM::gtm_clock): Use atomic template.
1132         (gtm_get_clock, gtm_inc_clock): Update accesses.
1133         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1134         redundant __sync_synchronize after atomic shared_state access.
1135         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1136         (gtm_rwlock::write_lock_generic): Likewise.
1137         (gtm_rwlock::read_unlock): Likewise.
1138         * config/alpha/target.h (atomic_read_barrier): Remove.
1139         (atomic_write_barrier): Remove.
1140         * config/x86/target.h (atomic_read_barrier): Remove.
1141         (atomic_write_barrier): Remove.
1142
1143 2011-11-30  Richard Henderson  <rth@redhat.com>
1144
1145         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1146         * beginend.c (_ITM_abortTransaction): Update to match.
1147         (GTM::gtm_thread::restart): Likewise.
1148         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1149         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1150
1151 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1152
1153         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1154         * Makefile.in: Regenerate.
1155
1156 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1157
1158         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1159         * alloc_cpp.cc: Generate dummy functions if we don't
1160         HAVE_ELF_STYLE_WEAKREF.
1161         * eh_cpp.cc: Likewise.
1162         * configure: Regenerate.
1163         * aclocal.m4:  Likewise.
1164         * config.h.in: Likewise.
1165         * Makefile.in: Likewise.
1166         * testsuite/Makefile.in: Likewise.
1167
1168 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1169
1170         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1171         __USER_LABEL_PREFIX__ for targets that use it.
1172         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1173         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1174         in portability to non-elf targets.
1175         (GTM_longjmp): Likewise.
1176         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1177         where required.
1178
1179 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1180
1181         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1182         * testsuite/libitm.c/memset-1.c: Likewise.
1183
1184 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1185
1186         * configure: Regenerate.
1187
1188 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1189
1190         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1191         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1192         * Makefile.am: Handle sun style versioning.
1193         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1194         * configure: Regenerate.
1195         * Makefile.in: Regenerate.
1196
1197 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * config/generic/asmcfi.h: Fix comment.
1200         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1201         sequence without .hidden support, error for non-ELF targets.
1202         (GTM_longjmp) [__ELF__]: Only use .hidden if
1203         HAVE_ATTRIBUTE_VISIBILITY.
1204
1205 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1206
1207         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1208         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1209         Dummy functions.
1210         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1211         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1212
1213 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1214
1215         PR bootstrap/51098
1216         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1217         * configure: Regenerate.
1218
1219 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1220
1221         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1222
1223 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1224
1225         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1226         .hidden.
1227         (.note.GNU-stack): Only use if __linux__.
1228         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1229         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1230         * testsuite/libitm.c/reentrant.c: Likewise.
1231         * testsuite/libitm.c/simple-2.c: Likewise.
1232         * testsuite/libitm.c/txrelease.c: Likewise.
1233         * testsuite/libitm.c++/static_ctor.C: Likewise.
1234
1235 2011-11-10  Richard Henderson  <rth@redhat.com>
1236
1237         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1238         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1239         * configure.ac (ARCH_X86_AVX): New conditional.
1240         * Makefile.in, configure: Rebuild.
1241
1242 2011-11-09  Richard Henderson  <rth@redhat.com>
1243
1244         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1245         * configure.ac: Use it.
1246         * config.h.in, configure: Rebuild.
1247         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1248
1249 2011-11-09  Richard Henderson  <rth@redhat.com>
1250
1251         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1252         * config/alpha/unaligned.h: Remove file.
1253         * config/generic/unaligned.h: Remove file.
1254         * config/x86/unaligned.h: Remove file.
1255         * config/generic/cachepage.h: Remove file.
1256         * config/posix/cachepage.cc: Remove file.
1257         * config/generic/cacheline.cc: Remove file.
1258         * config/x86/cacheline.cc: Remove file.
1259         * config/generic/cacheline.h (gtm_cacheline): Remove the
1260         store_mask, copy_mask, copy_mask_wb methods.
1261         * config/x86/cacheline.h: Likewise.
1262         * config/alpha/cacheline.h: Fall back to generic after setting size.
1263         * config/generic/tls.cc (gtm_mask_stack): Remove.
1264         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1265         (GTM_vpalignr_table): Remove.
1266         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1267         (GTM_pshift_table): Remove.
1268         * config/libitm_i.h: Don't include cachepage.h.
1269         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1270         * Makefile.in, testsuite/Makefile.in: Rebuild.
1271
1272 2011-11-09  Richard Henderson  <rth@redhat.com>
1273
1274         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1275         to emit branch prediction hint.
1276
1277         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1278         Protect .note.GNU-stack with __linux__.
1279
1280         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1281         * configure, aclocal.m4, config.h.in: Rebuild.
1282         * config/generic/asmcfi.h: New file.
1283         * config/x86/sjlj.S: Use it.
1284
1285 2011-11-08  Richard Henderson  <rth@redhat.com>
1286
1287         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1288
1289 2011-11-08  Richard Henderson  <rth@redhat.com>
1290
1291         * configure.tgt: Test correct directory for supported cpus.
1292
1293         * configure.ac: Exit if unsupported.
1294         * configure: Rebuild.
1295         * configure.tgt: Delete boilerplate from libgomp for unsupported
1296         targets.  Set UNSUPPORTED for unsupported targets.
1297
1298 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1299
1300         * configure.tgt: Handle i386 like i[456]86.
1301         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1302         take address.
1303         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1304         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1305
1306 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1307
1308         * method-wbetl.cc: Update copyright notice.
1309         * aatree.cc: Same.
1310         * util.cc: Same.
1311         * libitm.h: Same.
1312         * memset.cc: Same.
1313         * eh_cpp.cc: Same.
1314         * barrier.tpl: Same.
1315         * useraction.cc: Same.
1316         * stmlock.h: Same.
1317         * memcpy.cc: Same.
1318         * common.h: Same.
1319         * config/generic/tls.cc: Same.
1320         * config/generic/cacheline.h: Same.
1321         * config/generic/cachepage.h: Same.
1322         * config/generic/cacheline.cc: Same.
1323         * config/generic/unaligned.h: Same.
1324         * config/x86/cacheline.h: Same.
1325         * config/x86/cacheline.cc: Same.
1326         * config/x86/unaligned.h: Same.
1327         * config/alpha/cacheline.h: Same.
1328         * config/alpha/unaligned.h: Same.
1329         * config/alpha/sjlj.S: Same.
1330         * config/posix/cachepage.cc: Same.
1331         * config/linux/futex.h: Same.
1332         * config/linux/alpha/futex_bits.h: Same.
1333
1334 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1335
1336         * libitm.texi: No cover text and invariant sections.
1337
1338 2011-11-03  Richard Henderson  <rth@redhat.com>
1339
1340         * local_type_traits: New file.
1341         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1342
1343 2011-11-03  Richard Henderson  <rth@redhat.com>
1344
1345         * configure.ac: Don't test for gfortran.
1346         * configure: Rebuild.
1347
1348         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1349         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1350
1351 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1352
1353         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1354         * testsuite/libitm.c/memset-1.c: Same.
1355         * testsuite/libitm.c/c.exp: Same.
1356         * testsuite/lib/libitm-dg.exp: Same.
1357         * testsuite/lib/libitm.exp: Same.
1358         * testsuite/libitm.c++/c++.exp: Same.
1359
1360 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         * testsuite/config/default.exp: Update copyright date.
1363         * configure.ac: Add copyright info.
1364         * configure.tgt: Same.
1365
1366 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1367
1368         * testsuite/libitm.c/reentrant.c: XFAIL.
1369         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1370
1371 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1372
1373         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1374         handle aborts.
1375         (_ITM_abortTransaction): Handle aborts of outer transactions.
1376         * libitm_i.h: Same.
1377         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1378         * libitm.texi: Document aborts of outer transactions.
1379         * testsuite/libitm.c/cancel.c: New file.
1380
1381 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1382
1383         * testsuite/*: Change __transaction to __transaction_atomic or
1384         __transaction_relaxed.
1385
1386 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1387
1388         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1389         (gtm_thr): Same.
1390
1391 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1392
1393         * libitm_i.h: Add gl_wt dispatch.
1394         * retry.cc (parse_default_method): Same.
1395         * method-gl.cc: New file.
1396         * Makefile.am: Use method-gl.cc.
1397         * Makefile.in: Rebuild.
1398
1399 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1400
1401         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1402         safety if requested by a TM method.
1403         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1404         privatization safety.
1405         * method-serial.cc: Same.
1406
1407 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1408
1409         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1410         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1411         undolog-related member functions from *_local to *_undolog.
1412         * local.cc (gtm_thread::commit_undolog): Same.
1413         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1414         (GTM::gtm_thread::rollback): Roll back undolog before
1415         dispatch-specific rollback.
1416
1417 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1418
1419         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1420         re-initialization of the current method group.
1421         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1422
1423 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1424
1425         * alloc.cc (commit_allocations_2): Do not free transaction-local
1426         memory when committing a nested transaction.
1427
1428 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1429
1430         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1431         serial-irrevocable dispatch, not serial.
1432
1433 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1434
1435         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1436         declarations.
1437         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1438         * method-serial.cc: Implement begin_or_restart().
1439         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1440         dispatch-specific begin_or_restart().
1441         (GTM::gtm_thread::restart): Same.
1442
1443 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1444
1445         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1446         restarting without switching to serial mode.
1447         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1448         transaction state. Choose closed-nesting alternative if available.
1449         (GTM::gtm_thread::set_default_dispatch): New.
1450         (parse_default_method): New.
1451         (GTM::gtm_thread::number_of_threads_changed): New.
1452         * method-serial.cc (GTM::serial_mg): New method group class.
1453         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1454         fini.
1455         (GTM::serial_dispatch): Same.
1456         (GTM::serialirr_onwrite_dispatch): Same.
1457         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1458         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1459         registered threads.
1460         (GTM::gtm_thread::gtm_thread): Same.
1461         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1462         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1463         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1464         choose dispatch but set state according to dispatch here.
1465         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1466         (GTM::method_group): New class.
1467         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1468         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1469         * libitm.texi: Document TM methods, method groups, method life cycle.
1470         Rename method sets to method groups.
1471
1472 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1473
1474         * config/x86/tls.h: Moved to ...
1475         * config/linux/x86/tls.h: ... here.
1476
1477 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1478
1479         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1480         Add X32 support.
1481         * config/x86/sjlj.S: Same.
1482
1483 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1484
1485         * config/linux/rwlock.h: New file.
1486         * config/linux/rwlock.c: New file.
1487         * configure.ac: Reenable futex support (undo SVN rev 157758).
1488         * Makefile.am: Same.
1489         * configure.tgt: Same.
1490         * config/linux/alpha/futex_bits.h: Same.
1491         * config/linux/futex.h: Same. Return number of woken processes.
1492         * config/linux/futex.cc: Same.
1493         (futex_wait): Remove spinning.
1494         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1495         Use __x86_64__ instead of __LP64__.
1496         * aclocal.m4: Include generic futex checks.
1497         * configure: Rebuild.
1498         * Makefile.in: Rebuild.
1499         * testsuite/Makefile.in: Rebuild.
1500         * beginend.cc: Include pthread.h.
1501         * config/posix/cachepage.cc: Same.
1502
1503 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1504
1505         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1506         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1507         (set_gtm_thr): New.
1508         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1509         (set_gtm_thr): New.
1510         (GTM::gtm_thread::thread_num): Removed.
1511         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1512         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1513         tx-to-thread renaming.
1514         * beginend.cc: Adapted to tx-to-thread renaming.
1515         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1516         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1517         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1518         gtm_transaction to gtm_thread.
1519         (_ITM_getThreadnum): Removed. Not supported anymore.
1520         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1521         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1522         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1523         gtm_tx-to-gtm_thr renaming if necessary.
1524         * eh_cpp.cc: Same.
1525         * local.cc: Same.
1526         * retry.cc: Same.
1527         * clone.cc: Same.
1528         * alloc.cc: Same.
1529         * alloc_c.cc: Same.
1530         * alloc_cpp.cc: Same.
1531         * method-serial.cc: Same.
1532         * config/generic/tls.cc: Same.
1533         * config/posix/rwlock.h (gtm_rwlock): Same.
1534         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1535
1536 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1537
1538         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1539         implementation.
1540         (gtm_rwlock::read_unlock): Same.
1541         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1542         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1543         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1544         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1545         w_upgrade. Replaced by per-transaction flags (in shared_state).
1546         Added c_confirmed_writers.
1547         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1548         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1549         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1550         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1551         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1552         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1553         * libitm.texi: Document locking conventions and implementations in
1554         libitm.
1555
1556 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1557
1558         * libitm_i.h (next_tx): Add list of all threads' transaction.
1559         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1560         transaction with list of transactions and ...
1561         (thread_exit_handler): ... deregister here.
1562         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1563         * config/x86/target.h: Same.
1564
1565 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1566
1567         * testsuite/libitm.c++/static_ctor.C: New file.
1568
1569 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1570
1571         * testsuite/libitm.c/reentrant.c: New file.
1572
1573 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1574
1575         * config/generic/tls.h: Remove the free list for transactions and ...
1576         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1577         (GTM::gtm_transaction::operator delete): ... and release here.
1578         (thread_exit_handler): New. Delete tx when thread terminates.
1579         (thread_exit_init): New.
1580         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1581         * testsuite/libitm.c/txrelease.c: New file.
1582
1583 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1584
1585         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1586         * testsuite/libitm.c/notx.c: New file.
1587
1588 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1589
1590         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1591         * libitm_i.h (local_tid): ... to here.
1592         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1593         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1594
1595 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1596
1597         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1598         serialirr_onwrite_dispatch as new default for now.
1599         * method-serial.cc (serialirr_onwrite_dispatch): New.
1600         (GTM::dispatch_serialirr_onwrite): New.
1601         * libitm_i.h: Same.
1602
1603 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1604
1605         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1606         * query.cc (_ITM_getTransactionId): There is no active transaction if
1607         the current nesting level is zero.
1608
1609 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1610
1611         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1612         rollback.
1613
1614 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1615
1616         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1617         transaction properties from the caller instead of from the
1618         transaction object.
1619         * libitm_i.h: Same.
1620         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1621
1622 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1623
1624         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1625         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1626         * dispatch.h: Same.
1627         * method-serial.cc: Same.
1628         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1629         flat nesting as default, and closed nesting on demand.
1630         (GTM::gtm_transaction::rollback): Same.
1631         (_ITM_abortTransaction): Same.
1632         (GTM::gtm_transaction::restart): Same.
1633         (GTM::gtm_transaction::trycommit): Same.
1634         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1635         (choose_code_path): New.
1636         (GTM::gtm_transaction_cp::save): New.
1637         (GTM::gtm_transaction_cp::commit): New.
1638         * query.cc (_ITM_inTransaction): Support flat nesting.
1639         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1640         (GTM::gtm_transaction): Support flat and closed nesting.
1641         * alloc.cc (commit_allocations_2): New.
1642         (commit_cb_data): New helper struct.
1643         (GTM::gtm_transaction::commit_allocations): Handle nested
1644         commits/rollbacks.
1645         * libitm.texi: Update user action section, add description of nesting.
1646
1647 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1648
1649         * libitm_i.h: Add closed nesting as restart reason.
1650         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1651
1652 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1653
1654         * useraction.cc: Use vector instead of list to store actions.
1655         Also support partial rollbacks for closed nesting.
1656         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1657         * beginend.cc: Same.
1658
1659 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1660
1661         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1662         closed_nesting flags, as well as a closed nesting alternative.
1663         * method-serial.cc: Same.
1664         (serial_dispatch): Renamed to serialirr_dispatch.
1665         (GTM::dispatch_serialirr): Same.
1666         (serial_dispatch_ul): Renamed to serial_dispatch.
1667         (GTM::dispatch_serial): Same.
1668
1669 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1670
1671         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1672
1673 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1674
1675         * aatree.h (aa_tree::remove): New.
1676         (aa_tree::operator new): Add placement new.
1677
1678 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1679
1680         * containers.h: New file.
1681         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1682         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1683         * common.h: ... to here.
1684         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1685         * local.cc: Same.
1686
1687 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1688
1689         * libitm_i.h (STATE_ABORTING): Remove.
1690         * beginend.cc (_ITM_abortTransaction): Same.
1691         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1692         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1693         (_ITM_rollbackTransaction): Remove.
1694         * beginend.cc: Same.
1695         * libitm.map: Same.
1696         * libitm.texi: Document these ABI changes.
1697
1698 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1699
1700         * libitm.texi: New file.
1701         * Makefile.am: Add libitm.texi.
1702         * Makefile.in: Rebuild.
1703
1704 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1705
1706         * libitm_i.h: Move parts to common.h and dispatch.h.
1707         * common.h: New file.
1708         * dispatch.h: New file, new dispatch class.
1709         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1710         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1711         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1712         decision to retry.cc.
1713         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1714         only.
1715         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1716         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1717         logging.
1718         * barrier.cc: Use new barriers definitions.
1719         (abi_dispatch::memmove_overlap_check): New.
1720         * config/x86/x86_sse.cc: Same.
1721         * config/x86/x86_avx.cc: Same.
1722         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1723         memcpy.cc.
1724         * Makefile.in: Rebuild.
1725         * method-readonly.cc: Remove.
1726         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1727         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1728
1729 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1730
1731         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1732         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1733         * testsuite/libitm.c/dropref-2.c: Same.
1734         * testsuite/libitm.c/dropref.c: Same.
1735
1736 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1737
1738         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1739         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1740         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1741         * alloc_c.cc: Same.
1742         * barrier.tpl: Same.
1743         * beginend.c: Same.
1744         * config/generic/tls.h: Same.
1745         * config/x86/tls.h: Same.
1746         * libitm_i.h: Same.
1747         * memcpy.cc: Same.
1748         * memset.cc: Same.
1749         * method-readonly.cc: Same.
1750         * method-serial.cc: Same.
1751         * method-wbetl.cc: Same.
1752         * retry.cc: Same.
1753
1754 2011-03-03  Richard Henderson  <rth@redhat.com>
1755
1756         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1757         From Patrik Marlier <patrick.marlier@unine.ch>.
1758
1759 2011-02-03  Richard Henderson  <rth@redhat.com>
1760
1761         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1762         * configure.ac: Use it.
1763         * configure, config.h.in: Rebuild.
1764         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1765         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1766         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1767         * libitm.map: Use wildcards to match size_t mangling.
1768
1769 2010-12-14  Richard Henderson  <rth@redhat.com>
1770
1771         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1772         blocks of TIDs per thread.
1773         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1774         (setup_gtm_thr): Return the thread structure.
1775         * config/x86/tls.h (setup_gtm_thr): Likewise.
1776
1777 2010-12-14  Richard Henderson  <rth@redhat.com>
1778
1779         * clone.cc (table_lock): Remove.
1780         (find_clone): Don't take it.
1781         (ExcludeTransaction): New helper class.
1782         (_ITM_registerTMCloneTable): Use it.
1783         (_ITM_deregisterTMCloneTable): Likewise.
1784
1785 2010-12-14  Richard Henderson  <rth@redhat.com>
1786
1787         * config/x86/tls.h: New file.
1788
1789 2010-07-15  Richard Henderson  <rth@redhat.com>
1790
1791         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1792         * Makefile.in: Rebuild.
1793
1794 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1795
1796         * method-wbetl.cc (trydropreference): Fix source line.
1797
1798 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1799
1800         * libitm.h: Add comment.
1801         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1802
1803 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1804
1805         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1806         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1807         available, use pthread mutexes.
1808         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1809         * config.h.in: Regenerate.
1810         * configure: Regenerate.
1811
1812 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1813
1814         * libitm.h (ITM_PURE): Define.
1815         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1816
1817 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1818
1819         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1820         (validate): Add comment.
1821         (trydropreference): New.
1822         * method-readonly.cc (class readonly_dispatch): Add
1823         trydropreference.
1824         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1825         Call trydropreference().
1826         * libitm.h (_ITM_dropReferences): Remove const attribute.
1827         * method-serial.cc (class serial_dispatch): Add trydropreference.
1828         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1829
1830 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1831
1832         * memcpy.cc (do_memcpy): Comment.
1833
1834 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1835
1836         * barrier.tpl: Add comments throughout.
1837
1838 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1839
1840         * method-wbetl.cc (struct w_entry): Add comments.
1841         (trycommit): Same.
1842         (rollback): Same.
1843
1844 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1845
1846         * alloc_c.cc (_ITM_dropReferences): New.
1847         * libitm.map (_ITM_dropReferences): Add.
1848         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1849         * libitm_i.h (struct gtm_transaction): Declare
1850         drop_references_allocations and drop_references_local.
1851         * local.cc (rollback_local): Ignore memory when applicable.
1852         (drop_references_local): New.
1853
1854 2010-06-23  Richard Henderson  <rth@redhat.com>
1855
1856         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1857         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1858         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1859         * config/alpha/target.h: Likewise.
1860         * config/generic/tls.cc (gtm_mask_stack): Use it.
1861
1862 2010-06-23  Richard Henderson  <rth@redhat.com>
1863
1864         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1865         a mutex instead of trying a lock-free compare-and-swap on the list.
1866         (gtm_cacheline_page::operator delete): Likewise.
1867
1868 2010-06-16  Richard Henderson  <rth@redhat.com>
1869
1870         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1871         that overlap the libitm stack.
1872         * barrier.tpl: Mark incoming stack.
1873         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1874         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1875         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1876         * memcpy.cc, memset.cc: Likewise.
1877         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1878         * config/generic/tls.h (gtm_thread): Add stack_top member.
1879         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1880         * libitm_i.h (gtm_mask_stack): Declare.
1881         * config/generic/tls.cc: New file.
1882         * Makefile.am (libitm_la_SOURCES): Add it.
1883         (AM_CXXFLAGS): Turn off exceptions.
1884         * Makefile.in: Rebuild.
1885
1886 2010-06-16  Richard Henderson  <rth@redhat.com>
1887
1888         * alloc.cc (struct gtm_alloc_action): Move definition ...
1889         * libitm_i.h: ... here.
1890         (class gtm_transaction): Declare new and delete.
1891         * beginend.cc (alloc_tx): Reformulate as operator new.
1892         (free_tx): Reformulate as operator delete.
1893         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1894
1895 2010-06-11  Richard Henderson  <rth@redhat.com>
1896
1897         * clone.cc (clone_entry_compare): Fix typo.
1898         From Patrik Marlier <patrick.marlier@unine.ch>.
1899
1900 2010-05-13  Richard Henderson  <rth@redhat.com>
1901
1902         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1903         in extern "C".
1904
1905 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1906
1907         * libitm_i.h (struct gtm_transaction): Remove
1908         get_allocation_size.
1909         (record_allocation): Remove size parameter.
1910         * libitm.map (_ITM_realloc): Remove.
1911         * alloc_c.cc (_ITM_realloc): Remove.
1912         (_ITM_malloc): Remove size argument to record_allocation.
1913         (_ITM_calloc): Same.
1914         * alloc_cpp.cc (_ZGTtnwm): Same.
1915         (_ZGTtnwmRKSt9nothrow_t): Same.
1916         (_ZGTtnam): Same.
1917         (_ZGTtnamRKSt9nothrow_t): Same.
1918         * alloc.cc (struct gtm_alloc_action): Remove size.
1919         (get_allocation_size): Remove.
1920         (commit_allocations): Add comment.
1921         (record_allocation): Remove size parameter.
1922         (forget_allocation): Remove set of size.
1923
1924 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1925
1926         * Makefile.am (abi_version): New.
1927         (AM_CXXFLAGS): Pass abi_version.
1928         * Makefile.in: Regenerate.
1929         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1930
1931 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1932
1933         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1934         _ITM_getTMCloneOrIrrevokable.
1935         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1936         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1937
1938 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1939
1940         * configure.ac: Remove Linux futex support.
1941         * configure.tgt (config_path): Same.
1942         * Makefile.am: Same.
1943         * config/linux: Remove entire directory.
1944         * configure: Rebuild.
1945         * Makefile.in: Rebuild.
1946         * testsuite/Makefile.in: Rebuild.
1947
1948 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1949
1950         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1951         switching to serial mode.
1952         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1953
1954 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1955
1956         * configure.tgt: Add emacs -*- tags.
1957         * barrier.tpl: Same.
1958
1959 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1960
1961         * Makefile.am: Rename serial.cc to method-serial.cc.
1962         * Makefile.in: Regenerate with automake 1.11.1.
1963         * testsuite/Makefile.in: Same.
1964         * aclocal.m4: Regenerate with aclocal 1.11.1.
1965         * method-serial.cc: Rename from serial.cc.
1966         * libitm_i.h (struct gtm_transaction): Update comment on
1967         serialirr_mode.
1968
1969 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1970
1971         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1972         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1973
1974 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1975
1976         * configure: Rebuild.
1977
1978 2009-11-12  Richard Henderson  <rth@redhat.com>
1979
1980         * Rewrite everything in C++.
1981
1982 2009-11-03  Richard Henderson  <rth@redhat.com>
1983
1984         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1985         * Makefile.am (libitm_la_SOURCES): Add them.
1986         * configure.ac (ARCH_X86): New conditional.
1987         * Makefile.in, configure: Rebuild.
1988         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1989         Move futex setup into "other system configury" case.
1990         * local.c (rollback_local): Merge into ...
1991         (GTM_rollback_local): ... here.
1992         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1993         (_ITM_LB): Define as an alias to GTM_LB.
1994
1995 2009-11-03  Richard Henderson  <rth@redhat.com>
1996
1997         * method-readonly.c: New file.
1998         * Makefile.am (libitm_la_SOURCES): Add it.
1999         * Makefile.in: Rebuild.
2000         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2001         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2002         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2003         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2004         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2005         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2006         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2007         gtm_get_clock, gtm_inc_clock): New.
2008         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2009         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2010         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2011         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2012         replace uses with new libitm_i.h symbols.
2013         (dispatch_wbetl): Rename from wbetl_dispatch.
2014         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2015         away from dispatch_readonly; abort if the beginTransaction call
2016         asserted that the transaction was readonly.
2017
2018 2009-11-03  Richard Henderson  <rth@redhat.com>
2019
2020         * memset.c: New file.
2021         * Makefile.am (libitm_la_SOURCES): Add it.
2022         * Makefile.in: Rebuild.
2023         * testsuite/libitm.c/memset-1.c: New.
2024
2025 2009-11-03  Richard Henderson  <rth@redhat.com>
2026
2027         * dispatch.c: Remove file.
2028         * useraction.c (struct gtm_user_action): Move from libitm.h.
2029         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2030         (serial_memset, serial_memmove, serial_memcpy): Remove.
2031         (serial_W*, serial_R*): Remove.
2032         (serial_dispatch): Update to match.
2033         * configure.ac: Move Werror down below configure checks.  Don't
2034         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2035         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2036         Use GCC_AC_FUNC_MMAP_BLACKLIST
2037         * libitm.h: Split out all internal items to...
2038         * libitm_i.h: ... here.  New file.
2039         * copymask.c: New file.
2040         * local.c (struct gtm_local_undo): Move from libitm.h.
2041         (GTM_alloc_local): Rename from alloc_local; export.
2042         * memcpy.c: New file.
2043         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2044         * config/posix/page.c: New file.
2045         * config/posix/target_tls.h: Remove file.
2046         * barrier.c: New file.
2047         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2048         copymask.c, page.c.
2049         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2050         * method-wbetl.c: Rewrite for new cacheline methods.
2051         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2052
2053         * config/alpha/sjlj.S: Fix typo.
2054         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2055         * config/alpha/copymask.c: New file.
2056         * config/alpha/target.h (CACHELINE_SIZE): New.
2057         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2058
2059         * config/x86/target_i.h: Copy functions from x86/target.h.
2060         * config/x86/copymask.c: New file.
2061         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2062         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2063         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2064         * config/x86/target_tls.h: Move contents to target_i.h.
2065
2066         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2067         * testsuite/libitm.c/memcpy-1.c: New.
2068
2069 2009-10-22  Richard Henderson  <rth@redhat.com>
2070
2071         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2072         (AM_CCASFLAGS): New.
2073         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2074         saving/restoring _AC_ARG_VAR_PRECIOUS.
2075         * Makefile.in, aclocal.m4, config.h.in, configure,
2076         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2077
2078 2009-10-22  Richard Henderson  <rth@redhat.com>
2079
2080         * testsuite/*: Update for new compiler syntax.
2081
2082 2009-10-21  Richard Henderson  <rth@redhat.com>
2083
2084         * libitm.h (_ITM_abortReason): Add outerAbort.
2085
2086 2009-08-03  Richard Henderson  <rth@redhat.com>
2087
2088         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2089         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2090         * method-wbetl.c (struct w_entry): Remove mask.
2091         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2092         adjust all callers.
2093
2094 2009-07-22  Richard Henderson  <rth@redhat.com>
2095
2096         * eh_cpp.c: New file.
2097         * Makefile.am (libitm_la_SOURCES): Add it.
2098         * Makefile.in: Rebuild.
2099         * beginend.c (GTM_rollback_transaction): Undo exception state.
2100         (GTM_trycommit_transaction): Mark inline.
2101         (GTM_trycommit_and_finalize_transaction): Split out from ...
2102         (_ITM_commitTransaction): ... here.
2103         (_ITM_commitTransactionEH): New function.
2104         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2105         cxa_unthrown, eh_in_flight; reorder.
2106
2107         * testsuite/libitm.c++/c++.exp: New.
2108         * testsuite/libitm.c++/eh-1.C: New.
2109
2110         * aatree.c (aa_free): Remove REGPARM.
2111         * aatree.h: Remove all REGPARM.
2112
2113 2009-07-18  Richard Henderson  <rth@redhat.com>
2114
2115         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2116         * Makefile.am (libitm_la_SOURCES): Add them.
2117         * Makefile.in: Rebuild.
2118         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2119         (GTM_trycommit_transaction): Likewise.
2120         * libitm.h: Include aatree.h
2121         (struct gtm_alloc_action): New.
2122         (struct gtm_transaction): Add alloc_actions.
2123         (GTM_record_allocation, GTM_forget_allocation): Declare.
2124         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2125         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2126         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2127         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2128         _ZGTtdaPvRKSt9nothrow_t): Export.
2129
2130 2009-07-18  Richard Henderson  <rth@redhat.com>
2131
2132         * target_tls.h: Move ...
2133         * config/posix/target_tls.h: ... here.
2134
2135 2009-07-07  Richard Henderson  <rth@redhat.com>
2136
2137         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2138
2139 2009-07-07  Richard Henderson  <rth@redhat.com>
2140
2141         * Update to GPL3.
2142
2143 2009-07-07  Richard Henderson  <rth@redhat.com>
2144
2145         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2146         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2147
2148         * configure.tgt: Don't use -ftls-model for x86 linux.
2149         * libitm.h: Include target.h after standard includes.
2150         (_gtm_thr): Rename from gtm_thr.
2151         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2152         (gtm_disp, set_gtm_disp): New.
2153         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2154         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2155         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2156
2157 2009-07-07  Richard Henderson  <rth@redhat.com>
2158
2159         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2160
2161 2009-07-06  Richard Henderson  <rth@redhat.com>
2162
2163         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2164         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2165         (_ITM_beginTransaction): Take variadic arguments.
2166         (_ITM_registerThrownObject): Declare.
2167         * beginend.c, serial.c: Update.
2168         * libitm.map: Add _ITM_registerThrownObject.
2169
2170 2009-01-28  Richard Henderson  <rth@redhat.com>
2171
2172         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2173         * Makefile.in: Rebuild.
2174         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2175         (GTM_restart_transaction): Fix uninstrumented code check.
2176         * retry.c (GTM_decide_retry_strategy): Add serial check.
2177         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2178         automatically go irrevokable when in serial mode.
2179         * clone.c: New file.
2180         * libitm.h, libitm.map: Update.
2181
2182 2009-01-27  Richard Henderson  <rth@redhat.com>
2183
2184         * Makefile.am (LTCCASCOMPILE): Define.
2185         (libitm_la_SOURCES): Add methid-wbetl.c.
2186         * testsuite/Makefile.am: New
2187         * configure.ac: Add testsuite/Makefile.
2188         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2189         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2190         (_ITM_abortTransaction): Finalize implementation method; pass
2191         transaction properties to longjmp.
2192         (GTM_restart_transaction): Split out from ...
2193         (_ITM_commitTransaction): ... here.
2194         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2195         Move to config/x86/target.h.
2196         * config/linux/alpha/futex_bits.h: New.
2197         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2198         * config/x86/target.h: Disable target types for 32-bit.
2199         * config/alpha/sjlj.S, config/alpha/target.h: New.
2200         * libitm.h (struct gtm_dispatch): Add init, fini.
2201         (enum restart_reason): New.
2202         (struct gtm_transaction): Add method and restarts.
2203         * retry.c (GTM_decide_retry_strategy): Implement.
2204         * serial.c (serial_init, serial_fini): New.
2205         (GTM_serialmode): Finialize outgoing method.
2206         * method-wbetl.c: New.
2207
2208 2008-12-09  Richard Henderson  <rth@redhat.com>
2209
2210         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2211         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2212         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2213         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2214         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2215         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2216         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2217         * serial.c (serial_R##T, serial_W##T): Likewise.
2218
2219 2008-11-21  Richard Henderson  <rth@redhat.com>
2220
2221         * Initial commit.
2222 \f
2223 Copyright (C) 2008-2020 Free Software Foundation, Inc.
2224
2225 Copying and distribution of this file, with or without modification,
2226 are permitted in any medium without royalty provided the copyright
2227 notice and this notice are preserved.