libitm/ChangeLog

   1 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR target/70454
   4         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
   5         be added through preprocessor check on
   6         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
   7
   8 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
   9
  10         * configure: Re-generate.
  11
  12 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  13
  14         * libitm.texi: Bump @copying's copyright year.
  15
  16 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  17
  18         PR target/97865
  19         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  20         * configure: Regenerate.
  21
  22 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  23
  24         * configure: Regenerate.
  25
  26 2020-10-01  Alan Modra  <amodra@gmail.com>
  27
  28         * config/powerpc/sjlj.S: Support __PCREL__ code.
  29
  30 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  31
  32         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  33
  34 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  35
  36         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  37         and add BTI c to function entries.
  38
  39 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  40
  41         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  42
  43 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  44
  45         PR bootstrap/95413
  46         * configure: Regenerated.
  47
  48 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  49
  50         PR bootstrap/95147
  51         * configure: Regenerated.
  52
  53 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  54
  55         * configure: Regenerated.
  56
  57 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  58
  59         Fix throw specifiers on interface.
  60         * libitm/libitm.h (_ITM_NOTHROW): Define.
  61         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  62         (_ITM_cxa_begin_catch): Use it.
  63         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  64         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  65         __cxa_get_globals.
  66         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  67         (_ITM_cxa_begin_catch): Likewise.
  68
  69 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  70
  71         * testsuite/lib/libitm.exp (libitm_init): Add
  72         -fdiagnostics-color=never to options.
  73
  74 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  75
  76         PR libstdc++/79193
  77         PR libstdc++/88999
  78
  79         * configure: Regenerated.
  80
  81 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
  82
  83         * configure.ac: Handle `--with-toolexeclibdir='.
  84         * Makefile.in: Regenerate.
  85         * aclocal.m4: Regenerate.
  86         * configure: Regenerate.
  87         * testsuite/Makefile.in: Regenerate.
  88
  89 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
  90
  91         Update copyright years.
  92
  93         * libitm.texi: Bump @copying's copyright year.
  94
  95 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  96
  97         PR libgomp/91938
  98         * configure.tgt: Avoid IE tls on *-*-musl*.
  99
 100 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 101
 102         * configure: Regenerate.
 103
 104 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 105
 106         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 107
 108 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 109
 110         * configure.tgt: Handle *-*-uclinux*.
 111         * configure: Regenerate.
 112
 113 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 114
 115         * configure: Regenerate.
 116
 117 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 118
 119         PR other/79543
 120         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 121         scanning to conform to the GNU Coding Standards.
 122         * configure: Regenerate.
 123
 124 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 125
 126         * Makefile.am (finclude): Remove.
 127         * Makefile.in: Regenerated.
 128
 129 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 130
 131         Update copyright years.
 132
 133 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 134
 135         * libitm.texi: Bump @copying's copyright year.
 136
 137 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 138
 139         PR c++/88482
 140         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 141         void * to void (*) (void *).
 142         (_ITM_cxa_throw): Likewise.
 143         * libitm.h (_ITM_cxa_throw): Likewise.
 144         * libitm.texi (_ITM_cxa_throw): Likewise.
 145
 146 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 147
 148         * config/powerpc/target.h (htm_available):  Add support for
 149         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 150
 151 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 152
 153         PR bootstrap/82856
 154         * Makefile.am: Include multilib.am.
 155         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 156         (CLEANFILES): Remove libitm.info.
 157         * configure.ac: Remove AC_PREREQ.
 158         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 159         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 160         Regenerate.
 161
 162 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 163
 164         PR libitm/86293
 165         * method-serial.cc: Mark varible as potentially unused
 166         to silence warning.
 167
 168 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 169
 170         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 171         absolute relocation in a shared library.
 172
 173 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 174
 175         PR libitm/85988
 176         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 177         __private_tm as base.
 178         (SEG_WRITE): Likewise.
 179         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 180         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 181         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 182         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 183         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 184
 185 2018-05-17  Jason Merrill  <jason@redhat.com>
 186
 187         * beginend.cc (save): Disable -Werror=deprecated-copy.
 188
 189 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 190
 191         PR testsuite/85106
 192         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 193
 194 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 195
 196         PR testsuite/85106
 197         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 198
 199 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 200
 201         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 202         (__CET__ & 2) != 0 check for shadow stack.
 203         (GTM_longjmp): Likewise.
 204
 205 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 206
 207         * configure: Regenerated.
 208
 209 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 210
 211         PR target/85489
 212         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 213
 214 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 215
 216         * configure: Regenerated.
 217
 218 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 219
 220         PR jit/85384
 221         * configure: Regenerate.
 222
 223 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 224
 225         PR target/84148
 226         * configure: Regenerate.
 227
 228 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 229
 230         Update copyright years.
 231
 232         * libitm.texi: Bump @copying's copyright year.
 233
 234 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 235
 236         * Makefile.in: Regenerate.
 237         * acinclude.m4: Add enable.m4 and cet.m4.
 238         * config/x86/sjlj.S: Include cet.h.
 239         (_ITM_beginTransaction): Add _CET_ENDBR.
 240         Save Shadow Stack pointer.
 241         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 242         * config/x86/target.h (struct gtm_jmpbuf):
 243         Add new field for Shadow Stack pointer.
 244         * configure: Regenerate.
 245         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 246         * configure.ac: Update libtool_VERSION for x86.
 247         * testsuite/Makefile.in: Regenerate.
 248
 249 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 250
 251         * libitm/config/x86/target.h: Add new field (ssp).
 252         * libitm/config/x86/sjlj.S: Change offsets.
 253
 254 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 255
 256         * testsuite/lib/libitm.exp: Load scanlang.exp.
 257
 258 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 259
 260         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 261
 262 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 263
 264         PR other/79046
 265         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 266         of cat to get version from BASE-VER file.
 267         * testsuite/Makefile.in: Regenerated.
 268
 269 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 270
 271         * config/x86/target.h (htm_available): Determine vendor from
 272         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 273
 274 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 275
 276         * config/x86/target.h (htm_available): Add check for some processors
 277         on which TSX is broken.
 278
 279 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR other/79046
 282         * configure.ac: Add GCC_BASE_VER.
 283         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 284         get version from BASE-VER file.
 285         * testsuite/Makefile.in: Regenerated.
 286         * configure: Regenerated.
 287         * Makefile.in: Regenerated.
 288
 289 2017-01-04  Alan Modra  <amodra@gmail.com>
 290
 291         * Makefile.in: Regenerate.
 292         * testsuite/Makefile.in: Regenerate.
 293
 294 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 295
 296         Update copyright years.
 297
 298         * libitm.texi: Bump @copying's copyright year.
 299
 300 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 301
 302         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 303         * aclocal.m4: Regenerate.
 304         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 305         LIBITM_CHECK_LINKER_HWCAP.
 306
 307 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 308
 309         * configure: Regenerate.
 310
 311 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 312
 313         PR libitm/70456
 314         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 315         on cache line if requested.
 316
 317 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 318
 319         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 320         function attribute to disable floating point in begin_transaction() on
 321         S/390.
 322         * beginend.cc (begin_transaction): Use
 323         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 324
 325 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 326
 327         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 328         boundary.
 329         (htm_fastpath): Remove.
 330         (gtm_thread::begin_transaction): Fix HTM fastpath.
 331         (_ITM_commitTransaction): Adapt.
 332         (_ITM_commitTransactionEH): Adapt.
 333         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 334         and accessors.
 335         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 336         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 337         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 338         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 339         * libitm/method-serial.cc (htm_mg): Adapt.
 340         (gtm_thread::serialirr_mode): Adapt.
 341         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 342
 343 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 344
 345         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 346         or AIX.
 347
 348 2016-01-19  Richard Henderson  <rth@redhat.com>
 349
 350         PR bootstrap/69343
 351         PR bootstrap/69339
 352         Revert:
 353         2016-01-13  Richard Henderson  <rth@redhat.com>
 354
 355         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 356         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 357         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 358         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 359         * configure.ac (ARCH_AARCH64): New conditional.
 360         (ARCH_PPC, ARCH_S390): Likewise.
 361         * Makefile.in, configure: Rebuild.
 362
 363         * libitm.h (_ITM_TYPE_M128): Always define.
 364         * vect64.cc: Split ...
 365         * vect128.cc: ... out of...
 366         * config/x86/x86_sse.cc: ... here.
 367         * config/arm/neon.cc: New file.
 368
 369 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 370
 371         * local_type_traits: Remove file.
 372         * libitm_i.h: Don't include it anymore.
 373         (sized_integral): Remove.
 374
 375 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 376
 377         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 378         safety.
 379         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 380         * libitm/testsuite/libitm.c/priv-1.c: New.
 381
 382 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 383
 384         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 385
 386 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 387
 388         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 389         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 390         (gtm_rwlock::write_unlock): Likewise.
 391
 392 2016-01-13  Richard Henderson  <rth@redhat.com>
 393
 394         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 395         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 396         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 397         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 398         * configure.ac (ARCH_AARCH64): New conditional.
 399         (ARCH_PPC, ARCH_S390): Likewise.
 400         * Makefile.in, configure: Rebuild.
 401
 402         * libitm.h (_ITM_TYPE_M128): Always define.
 403         * vect64.cc: Split ...
 404         * vect128.cc: ... out of...
 405         * config/x86/x86_sse.cc: ... here.
 406         * config/arm/neon.cc: New file.
 407
 408 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 409
 410         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 411         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 412         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 413         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 414         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 415         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 416         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 417         (serialirr_dispatch::snapshot_most_recent): New.
 418         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 419
 420 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 421
 422         * libitm_i.h (gtm_mask_stack): Remove.
 423         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 424         * stmlock.h: Remove file.
 425         * config/alpha/cacheline.h: Likewise.
 426         * config/generic/cacheline.h: Likewise.
 427         * config/powerpc/cacheline.h: Likewise.
 428         * config/sparc/cacheline.h: Likewise.
 429         * config/x86/cacheline.h: Likewise.
 430
 431 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 432
 433         Update copyright years.
 434
 435         * libitm.texi: Bump @copying's copyright year.
 436
 437 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 438
 439         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 440         (ml_wt_dispatch::pre_write): Adapt.
 441         (ml_wt_dispatch::pre_load): Likewise.
 442
 443 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 444
 445         * libitm_i.h (gtm_alloc_action): Remove union.
 446         * testsuite/libitm.c/alloc-1.c: New.
 447
 448 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 449
 450         * testsuite/libitm.c++/eh-5.C: New.
 451         * libitm.h (_ITM_cxa_free_exception): New.
 452         * libitm.map (_ITM_cxa_free_exception): Add it.
 453         * libitm.texi: Update ABI docs.
 454         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 455         (gtm_transaction_cp::cxa_uncaught_count): Add.
 456         (gtm_thread::cxa_unthrown): Remove.
 457         (gtm_thread::cxa_uncaught_count_ptr): Add.
 458         (gtm_thread::cxa_uncaught_count): Add.
 459         (gtm_thread::drop_references_allocations): Rename to...
 460         (gtm_thread::discard_allocation): ... this and adapt.
 461         (gtm_thread::init_cpp_exceptions): New.
 462         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 463         (gtm_thread::begin_transaction): Likewise.
 464         (gtm_transaction_cp::save): Likewise.
 465         (gtm_thread::trycommit): Likewise.
 466         * eh_cpp.cc: Add overview comments.
 467         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 468         (free_any_exception, _ITM_cxa_free_exception): New.
 469         (gtm_thread::init_cpp_exceptions): Define.
 470         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 471         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 472         (gtm_thread::revert_cpp_exceptions): Likewise.
 473
 474 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 475
 476         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 477         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 478         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 479         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 480         (gtm_thread::forget_allocations): New overload with size_t argument.
 481         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 482         adapt existing one.
 483         (gtm_thread::record_allocation): Adapt.
 484         (gtm_thread::commit_allocations_1): Adapt.
 485         (gtm_thread::commit_allocations_2): Adapt.
 486         * testsuite/libitm.c++/newdelete.C: New.
 487
 488 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 489             Joseph Myers  <joseph@codesourcery.com>
 490             Mark Shinwell  <shinwell@codesourcery.com>
 491             Andrew Stubbs  <ams@codesourcery.com>
 492             Rich Felker <dalias@libc.org>
 493
 494         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 495         GTM_begin_transaction for compatibility with FDPIC.
 496
 497 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 498
 499         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 500         using load_gcc_lib.
 501
 502 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 503
 504         PR libitm/61164
 505         * local_atomic (__always_inline): Rename to...
 506         (__libitm_always_inline): ... this.
 507
 508 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 509
 510         PR target/52482
 511         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 512
 513 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 514
 515         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 516         operands "op" and "val" to int.
 517
 518 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 519
 520         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 521         "op" and "val" to int.
 522
 523 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 524
 525         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 526         "op" and "val" to int.
 527
 528 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 529
 530         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 531         Declare as static int.
 532         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 533         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 534
 535 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 536
 537         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 538         sys_futex0 function.
 539
 540 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 541
 542         * Makefile.in: Regenerated with automake-1.11.6.
 543         * aclocal.m4: Likewise.
 544         * configure: Likewise.
 545         * testsuite/Makefile.in: Likewise.
 546
 547 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 548
 549         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 550         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 551
 552 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 553
 554         PR libitm/64360
 555         * libitm.c/stackundo.c (test2): Make it static.
 556         (test1): Likewise.
 557
 558 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 559
 560         Update copyright years.
 561
 562 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 563
 564         * libitm.texi: Bump @copying's copyright year.
 565
 566 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 567
 568         * testsuite/lib/libitm.exp: Load target-utils.exp.
 569         Move load of target-supports.exp earlier.
 570
 571 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 572
 573         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 574
 575 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 576
 577         PR bootstrap/63784
 578         * configure: Regenerated.
 579
 580 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 581
 582         PR target/63610
 583         * configure: Regenerate.
 584
 585 2014-10-06  Marek Polacek  <polacek@redhat.com>
 586
 587         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 588         * testsuite/libitm.c/memset-1.c: Likewise.
 589
 590 2014-07-24  Richard Henderson  <rth@redhat.com>
 591
 592         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 593         addressing mode in epilogue.
 594
 595 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 596
 597         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 598         -mclear-hwcap instead.
 599         * configure: Regenerate.
 600         * clearcap.map: Remove.
 601
 602 2014-05-21  John Marino  <gnugcc@marino.st>
 603
 604         * configure.tgt (*-*-dragonfly*): New target.
 605
 606 2014-05-19  Richard Henderson  <rth@redhat.com>
 607
 608         * config/aarch64/sjlj.S: New file.
 609         * config/aarch64/target.h: New file.
 610         * configure.tgt: Enable aarch64.
 611
 612 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 613
 614         * config/generic/asmcfi.h: Also check for
 615         __GCC_HAVE_DWARF2_CFI_ASM.
 616
 617 2013-04-02  Richard Henderson  <rth@redhat.com>
 618
 619         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 620         * config/arm/target.h, config/sh/target.h: Likewise.
 621         * config/sparc/target.h, config/x86/target.h: Likewise.
 622
 623 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 624
 625         * config/linux/futex_bits.h: Include errno.h.
 626         (sys_futex0): If syscall returns -1, return -errno rather than
 627         -1.
 628
 629 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 630
 631         * libitm.texi (Index): Rename to Library Index.
 632
 633 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 634
 635         PR libitm/53113
 636         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 637         (x86_avx.lo): Append -mavx to CXXFLAGS.
 638         * Makefile.in: Regenerate.
 639
 640 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 641
 642         Update copyright years
 643
 644 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 645
 646         * libitm.texi: Bump @copying's copyright year.
 647
 648 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 649
 650         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 651         (FUNC): Define ELFv2 variant.
 652         (END): Likewise.
 653         (HIDDEN): Likewise.
 654         (CALL): Likewise.
 655         (BASE): Likewise.
 656         (LR_SAVE): Likewise.
 657
 658 2013-09-20  Alan Modra  <amodra@gmail.com>
 659
 660         * configure: Regenerate.
 661
 662 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 663
 664         * config/posix/rwlock.cc: Fix initialization order.
 665
 666 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 667
 668         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 669         (htm_fastpath): Assign an asm name.
 670         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 671         HTM fast paths.
 672         (_ITM_actions): Likewise.
 673         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 674         x86_64.
 675         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 676         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 677         field to the start of the structure.
 678         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 679         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 680         handling for custom HTM fast paths.
 681
 682 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 683         Revert:
 684         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 685
 686         * configure.tgt: Add -msoft-float to XCFLAGS.
 687
 688 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 689
 690         * configure.tgt: Add -msoft-float to XCFLAGS.
 691
 692 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 693
 694         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 695         (htm_transaction_active): Enable zEC12 instructions in the
 696         assembler.
 697         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 698
 699 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 700
 701         * acinclude.m4: Add htm asm check for s390.
 702         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 703         * configure: Regenerate.
 704         * config/s390/target.h: Remove __HTM__ check.
 705         (htm_available): Call getauxval to get hwcaps and check whether
 706         HTM is available or not.
 707
 708 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 709
 710         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 711         * configure.ac: Use it.
 712         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 713         (AC_CHECK_FUNCS): Check for getauxval.
 714         * config.h.in, configure: Rebuild.
 715         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 716         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 717         (USE_HTM_FASTPATH): Define.
 718         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 719         _HTM_RETRIES) New macros.
 720         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 721         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 722
 723 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 724
 725         * config/s390/target.h: Include htmintrin.h.
 726         (_HTM_ITM_RETRIES): New macro definition.
 727         (htm_available, htm_init, htm_begin, htm_begin_success)
 728         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 729
 730 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 731             Cesar Philippidis  <cesar@codesourcery.com>
 732
 733         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 734         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 735         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 736         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 737
 738 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 739
 740         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 741         (_ITM_getTransactionId): Same.
 742         * config/x86/target.h (htm_transaction_active): New.
 743
 744 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 745
 746         PR libitm/57643
 747         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 748         the HTM fastpath.
 749
 750 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 751
 752         PR bootstrap/56714
 753         * local_atomic (__always_inline): Always define our version.
 754         (__calculate_memory_order): Mark inline.
 755         (atomic_thread_fence): Ditto.
 756         (atomic_signal_fence): Ditto.
 757         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 758         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 759         (atomic_bool::atomic_flag_test_and_set): Ditto.
 760         (atomic_bool::atomic_flag_clear): Ditto.
 761
 762 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 763
 764         * config/s390/sjlj.S: New file.
 765         * config/s390/target.h: New file.
 766         * configure.tgt: Set options for S/390.
 767
 768 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 769
 770         * local_atomic (__always_inline): Add.
 771         (__calculate_memory_order, atomic_thread_fence,
 772          atomic_signal_fence, test_and_set, clear, store, load,
 773          exchange, compare_exchange_weak, compare_exchange_strong,
 774          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 775         Add __always_inline to force inlining.
 776
 777 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 778             Jack Howarth  <howarth@bromo.med.uc.edu>
 779             Patrick Marlier  <patrick.marlier@gmail.com>
 780
 781         PR libitm/55693
 782         * alloc_cpp.cc: Enable function declarations on darwin.
 783         * eh_cpp.cc: Likewise.
 784
 785 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 786
 787         Update copyright years.
 788
 789 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 790
 791         * beginend.cc (htm_fastpath): New.
 792         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 793         _ITM_commitTransactionEH): Add HTM fastpath handling.
 794         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 795         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 796         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 797         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 798         * configure.tgt: Add -mrtm to XCFLAGS.
 799         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 800         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 801         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 802         * retry.cc (parse_default_method): Add HTM method parsing.
 803         (gtm_thread::number_of_threads_changed): Use HTM by default if
 804         available.
 805
 806 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 807
 808         * configure: Regenerate.
 809
 810 2012-10-31  Richard Henderson  <rth@redhat.com>
 811
 812         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 813         * configure.ac: Use it.
 814         * config.h.in, configure: Rebuild.
 815         * testsuite/Makefile.in: Rebuild.
 816
 817 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 818
 819         * libitm.texi: Clarify ABI requirements for data-logging functions.
 820
 821 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 822
 823         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 824         it requires serial mode instead of assuming that for certain
 825         dispatchs.
 826         * dispatch.h (abi_dispatch::requires_serial): New.
 827         (abi_dispatch::abi_dispatch): Adapt.
 828         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 829         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 830         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 831         serial_dispatch::serial_dispatch,
 832         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 833
 834 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 835
 836         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 837         and ia32 declarations some more.
 838         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 839
 840 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 841
 842         PR other/43620
 843         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 844         * configure: Regenerate.
 845         * Makefile.in: Regenerate.
 846
 847 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 848
 849         * configure: Regenerated.
 850
 851 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 852
 853         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 854
 855 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 856
 857         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 858
 859 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 860
 861         * configure: Regenerated.
 862
 863 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 864
 865         PR libitm/52854
 866         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 867         for x86-64.
 868
 869 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 870
 871         * configure: Regenerate.
 872
 873 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 874
 875         PR bootstrap/52812
 876         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 877
 878 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 879
 880         * testsuite/lib/libitm.exp: load fortran-modules.exp
 881
 882 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 883
 884         * configure.tgt (*-*-irix6*): Remove.
 885
 886 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 887
 888         PR libitm/52526
 889         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 890         wake-up.
 891
 892 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 893
 894         * configure.tgt (*-*-osf*): Remove.
 895         * configure: Regenerate.
 896
 897 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 898
 899         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 900         memtransfer/memset if size isn't larger than zero.
 901
 902 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 903
 904         * libitm.texi: Link to specification and add a usage example.
 905
 906 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 907
 908         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 909         default dispatch for more than 1 thread to ml_wt.
 910
 911 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 912
 913         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 914
 915 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 916
 917         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 918
 919 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 920
 921         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 922         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 923         (gl_wt_dispatch.rollback): Same.
 924
 925 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 926
 927         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 928
 929 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 930
 931         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 932         for RfW src.  Optimize number of calls to gtm_thr.
 933
 934 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 935
 936         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 937         acquisition to ...
 938         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 939         (default_dispatch): Make atomic.
 940         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 941         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 942         use decide_begin_dispatch() if default_dispatch might have changed.
 943         (GTM::gtm_thread::number_of_threads_changed): Initialize
 944         default_dispatch here.
 945
 946 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 947             Patrick Marlier  <patrick.marlier@gmail.com>
 948
 949         PR libitm/52220
 950         * alloc_cpp.cc: No dummy definitions for darwin.
 951         * eh_cpp.cc: Likewise.
 952
 953 2012-02-14  Richard Henderson  <rth@redhat.com>
 954
 955         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 956
 957 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 958
 959         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 960
 961 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 962
 963         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 964         (GTM::gtm_thread): Add read and write logs.
 965         (GTM::dispatch_ml_wt): Declare.
 966         * retry.cc (parse_default_method): Support ml_wt.
 967         * method-ml.cc: New file.
 968         * Makefile.am: Add method-ml.cc.
 969         * Makefile.in: Regenerate.
 970
 971 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 972
 973         * dispatch.h (GTM::abi_dispatch::supports): New.
 974         (GTM::method_group::reinit): New.
 975         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 976         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 977         supports the current situation.
 978
 979 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 980
 981         * util.cc (GTM::xcalloc): New.
 982         * common.h (GTM::xcalloc): Declare.
 983
 984 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 985
 986         * config/sparc/target.h (cpu_relax): Read from CC register.
 987         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 988
 989 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 990
 991         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 992
 993 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 994
 995         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 996         * config/sparc/cacheline.h: New file.
 997         * config/sparc/target.h: Likewise.
 998         * config/sparc/sjlj.S: Likewise.
 999         * config/linux/sparc/futex_bits.h: Likewise.
1000
1001 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1002
1003         * configure.ac (link_itm): Fix comment.
1004         * configure: Regenerate.
1005         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1006
1007 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1008
1009         PR libitm/51822
1010         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1011         Correct libgomp references.
1012
1013 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1014
1015         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1016         wake-up.
1017
1018 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1021         end of structure.
1022         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1023         offset values.  Do not copy return address.  Decrement stack
1024         by 56 bytes only.
1025         (GTM_longjump) [__x86_64__]: Update offset values.
1026
1027 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1028
1029         PR libitm/51830
1030         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1031         the first function argument to %eax.
1032
1033 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1034
1035         * libitm.h (_ITM_getThreadnum): Remove.
1036         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1037
1038 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1039
1040         * clearcap.map: New file.
1041         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1042         * configure.ac: Call it.
1043         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1044         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1045         * configure: Regenerate.
1046         * Makefile.in: Regenerate.
1047         * testsuite/Makefile.in: Regenerate.
1048
1049 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1050
1051         PR libitm/51173
1052         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1053         include, exclude options.
1054
1055 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1056
1057         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1058         rolling back.
1059         * containers.h (GTM::vector::set_size): New.
1060
1061 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1062
1063         PR libitm/51855
1064         * config/generic/tls.h (GTM::mask_stack_top): New.
1065         (GTM::mask_stack_bottom): Declare.
1066         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1067         * local.cc (gtm_undolog::rollback): Filter out any updates that
1068         overlap the libitm stack.  Add current transaction as parameter.
1069         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1070         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1071         * testsuite/libitm.c/stackundo.c: New test.
1072
1073 2012-01-10  Richard Henderson  <rth@redhat.com>
1074
1075         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1076         * eh_cpp.cc (_Unwind_DeleteException): Define for
1077         !HAVE_ELF_STYLE_WEAKREF.
1078
1079 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1080
1081         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1082         (GTM::gtm_thread::drop_references_undolog): Remove.
1083         (GTM::gtm_thread::commit_undolog,
1084         GTM::gtm_thread::rollback_undolog): Move to ...
1085         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1086         (GTM::gtm_undolog_entry): Remove.
1087         (GTM::gtm_thread): Adapt.
1088         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1089         (GTM::gtm_thread::trycommit): Adapt.
1090         * method-serial.cc (serial_dispatch::log): Adapt.
1091         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1092         (gl_wt_dispatch::store): Fix likely/unlikely.
1093         * containers.h (GTM::vector::resize): Add additional_capacity
1094         parameter and handle it.
1095         (GTM::vector::resize_noinline): New/adapt.
1096         (GTM::vector::push): New.
1097
1098 2012-01-06  Richard Henderson  <rth@redhat.com>
1099
1100         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1101         * config/linux/powerpc/futex_bits.h: New file.
1102         * config/powerpc/cacheline.h: New file.
1103         * config/powerpc/sjlj.S: New file.
1104         * config/powerpc/target.h: New file.
1105         * config/generic/asmcfi.h (cfi_offset): New.
1106         (cfi_restore, cfi_undefined): New.
1107
1108 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1109
1110         PR other/51171
1111         * testsuite/libitm.c/reentrant.c: Remove xfail.
1112         (thread): Pass x to pure().
1113         From Patrik Marlier <patrick.marlier@gmail.com>.
1114
1115 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1116
1117         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1118         privatization safety if already in serial mode.
1119
1120 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1121
1122         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1123         finish_serial_upgrade parameter.
1124         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1125         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1126         Don't unset reader flag.
1127         (GTM::gtm_rwlock::write_upgrade_finish): New.
1128         * config/posix/rwlock.cc: Same.
1129         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1130         Declare.
1131         * config/posix/rwlock.h: Same.
1132         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1133         flag after commit or after rollback when restarting.
1134
1135 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1136
1137         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1138         (GTM::gtm_thread::try_commit): Changed memory order.
1139         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1140         as parameter.
1141         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1142         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1143         * config/linux/futex_bits.h (sys_futex0): Same.
1144         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1145         * config/linux/futex.h (futex_wait, futex_wake): Same.
1146         * config/linux/rwlock.h (gtm_rwlock::writers,
1147         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1148         ints.
1149         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1150         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1151         gtm_rwlock::write_unlock): Fix memory orders and fences.
1152         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1153         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1154         gtm_rwlock::write_unlock): Same.
1155         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1156         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1157         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1158         Add comments.
1159         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1160         gl_wt_dispatch::load, gl_wt_dispatch::store,
1161         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1162         orders and fences.  Add comments.
1163
1164 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1165
1166         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1167         * Makefile.in: Regenerated.
1168
1169 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1170
1171         * configure.tgt: Add sh* case.
1172         * config/sh/target.h: New file.
1173         * config/sh/sjlj.S: New file.
1174         * config/linux/sh/futex_bits.h: New file.
1175
1176 2011-12-14  Richard Henderson  <rth@redhat.com>
1177
1178         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1179         * config/arm/sjlj.S, config/arm/target.h: New files.
1180         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1181         (cfi_rel_offset): New.
1182         * config/linux/futex_bits.h: New file.
1183         * config/linux/futex.cc: Include futex_bits.h here...
1184         * config/linux/futex.h: ... not here.
1185         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1186         * configure.ac (ARCH_AM): New conditional.
1187         * Makefile.in, configure: Rebuild.
1188         * configure.tgt: Handle ARM.
1189
1190 2011-12-13  Richard Henderson  <rth@redhat.com>
1191
1192         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1193         signed/unsigned comparison werror.
1194
1195         * local_atomic: New file.
1196         * libitm_i.h: Include it.
1197         (gtm_thread::shared_state): Use atomic template.
1198         * beginend.cc (GTM::gtm_clock): Use atomic template.
1199         (global_tid): Use atomic template if 64-bit atomics available.
1200         (gtm_thread::gtm_thread): Update shared_state access.
1201         (gtm_thread::trycommit): Likewise.
1202         (choose_code_path): Update global_tid access.
1203         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1204         * stmlock.h (GTM::gtm_clock): Use atomic template.
1205         (gtm_get_clock, gtm_inc_clock): Update accesses.
1206         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1207         redundant __sync_synchronize after atomic shared_state access.
1208         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1209         (gtm_rwlock::write_lock_generic): Likewise.
1210         (gtm_rwlock::read_unlock): Likewise.
1211         * config/alpha/target.h (atomic_read_barrier): Remove.
1212         (atomic_write_barrier): Remove.
1213         * config/x86/target.h (atomic_read_barrier): Remove.
1214         (atomic_write_barrier): Remove.
1215
1216 2011-11-30  Richard Henderson  <rth@redhat.com>
1217
1218         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1219         * beginend.c (_ITM_abortTransaction): Update to match.
1220         (GTM::gtm_thread::restart): Likewise.
1221         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1222         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1223
1224 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1225
1226         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1227         * Makefile.in: Regenerate.
1228
1229 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1230
1231         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1232         * alloc_cpp.cc: Generate dummy functions if we don't
1233         HAVE_ELF_STYLE_WEAKREF.
1234         * eh_cpp.cc: Likewise.
1235         * configure: Regenerate.
1236         * aclocal.m4:  Likewise.
1237         * config.h.in: Likewise.
1238         * Makefile.in: Likewise.
1239         * testsuite/Makefile.in: Likewise.
1240
1241 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1242
1243         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1244         __USER_LABEL_PREFIX__ for targets that use it.
1245         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1246         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1247         in portability to non-elf targets.
1248         (GTM_longjmp): Likewise.
1249         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1250         where required.
1251
1252 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1253
1254         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1255         * testsuite/libitm.c/memset-1.c: Likewise.
1256
1257 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1258
1259         * configure: Regenerate.
1260
1261 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1262
1263         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1264         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1265         * Makefile.am: Handle sun style versioning.
1266         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1267         * configure: Regenerate.
1268         * Makefile.in: Regenerate.
1269
1270 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1271
1272         * config/generic/asmcfi.h: Fix comment.
1273         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1274         sequence without .hidden support, error for non-ELF targets.
1275         (GTM_longjmp) [__ELF__]: Only use .hidden if
1276         HAVE_ATTRIBUTE_VISIBILITY.
1277
1278 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1279
1280         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1281         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1282         Dummy functions.
1283         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1284         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1285
1286 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1287
1288         PR bootstrap/51098
1289         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1290         * configure: Regenerate.
1291
1292 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1293
1294         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1295
1296 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1297
1298         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1299         .hidden.
1300         (.note.GNU-stack): Only use if __linux__.
1301         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1302         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1303         * testsuite/libitm.c/reentrant.c: Likewise.
1304         * testsuite/libitm.c/simple-2.c: Likewise.
1305         * testsuite/libitm.c/txrelease.c: Likewise.
1306         * testsuite/libitm.c++/static_ctor.C: Likewise.
1307
1308 2011-11-10  Richard Henderson  <rth@redhat.com>
1309
1310         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1311         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1312         * configure.ac (ARCH_X86_AVX): New conditional.
1313         * Makefile.in, configure: Rebuild.
1314
1315 2011-11-09  Richard Henderson  <rth@redhat.com>
1316
1317         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1318         * configure.ac: Use it.
1319         * config.h.in, configure: Rebuild.
1320         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1321
1322 2011-11-09  Richard Henderson  <rth@redhat.com>
1323
1324         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1325         * config/alpha/unaligned.h: Remove file.
1326         * config/generic/unaligned.h: Remove file.
1327         * config/x86/unaligned.h: Remove file.
1328         * config/generic/cachepage.h: Remove file.
1329         * config/posix/cachepage.cc: Remove file.
1330         * config/generic/cacheline.cc: Remove file.
1331         * config/x86/cacheline.cc: Remove file.
1332         * config/generic/cacheline.h (gtm_cacheline): Remove the
1333         store_mask, copy_mask, copy_mask_wb methods.
1334         * config/x86/cacheline.h: Likewise.
1335         * config/alpha/cacheline.h: Fall back to generic after setting size.
1336         * config/generic/tls.cc (gtm_mask_stack): Remove.
1337         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1338         (GTM_vpalignr_table): Remove.
1339         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1340         (GTM_pshift_table): Remove.
1341         * config/libitm_i.h: Don't include cachepage.h.
1342         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1343         * Makefile.in, testsuite/Makefile.in: Rebuild.
1344
1345 2011-11-09  Richard Henderson  <rth@redhat.com>
1346
1347         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1348         to emit branch prediction hint.
1349
1350         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1351         Protect .note.GNU-stack with __linux__.
1352
1353         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1354         * configure, aclocal.m4, config.h.in: Rebuild.
1355         * config/generic/asmcfi.h: New file.
1356         * config/x86/sjlj.S: Use it.
1357
1358 2011-11-08  Richard Henderson  <rth@redhat.com>
1359
1360         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1361
1362 2011-11-08  Richard Henderson  <rth@redhat.com>
1363
1364         * configure.tgt: Test correct directory for supported cpus.
1365
1366         * configure.ac: Exit if unsupported.
1367         * configure: Rebuild.
1368         * configure.tgt: Delete boilerplate from libgomp for unsupported
1369         targets.  Set UNSUPPORTED for unsupported targets.
1370
1371 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1372
1373         * configure.tgt: Handle i386 like i[456]86.
1374         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1375         take address.
1376         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1377         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1378
1379 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1380
1381         * method-wbetl.cc: Update copyright notice.
1382         * aatree.cc: Same.
1383         * util.cc: Same.
1384         * libitm.h: Same.
1385         * memset.cc: Same.
1386         * eh_cpp.cc: Same.
1387         * barrier.tpl: Same.
1388         * useraction.cc: Same.
1389         * stmlock.h: Same.
1390         * memcpy.cc: Same.
1391         * common.h: Same.
1392         * config/generic/tls.cc: Same.
1393         * config/generic/cacheline.h: Same.
1394         * config/generic/cachepage.h: Same.
1395         * config/generic/cacheline.cc: Same.
1396         * config/generic/unaligned.h: Same.
1397         * config/x86/cacheline.h: Same.
1398         * config/x86/cacheline.cc: Same.
1399         * config/x86/unaligned.h: Same.
1400         * config/alpha/cacheline.h: Same.
1401         * config/alpha/unaligned.h: Same.
1402         * config/alpha/sjlj.S: Same.
1403         * config/posix/cachepage.cc: Same.
1404         * config/linux/futex.h: Same.
1405         * config/linux/alpha/futex_bits.h: Same.
1406
1407 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1408
1409         * libitm.texi: No cover text and invariant sections.
1410
1411 2011-11-03  Richard Henderson  <rth@redhat.com>
1412
1413         * local_type_traits: New file.
1414         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1415
1416 2011-11-03  Richard Henderson  <rth@redhat.com>
1417
1418         * configure.ac: Don't test for gfortran.
1419         * configure: Rebuild.
1420
1421         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1422         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1423
1424 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1425
1426         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1427         * testsuite/libitm.c/memset-1.c: Same.
1428         * testsuite/libitm.c/c.exp: Same.
1429         * testsuite/lib/libitm-dg.exp: Same.
1430         * testsuite/lib/libitm.exp: Same.
1431         * testsuite/libitm.c++/c++.exp: Same.
1432
1433 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1434
1435         * testsuite/config/default.exp: Update copyright date.
1436         * configure.ac: Add copyright info.
1437         * configure.tgt: Same.
1438
1439 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1440
1441         * testsuite/libitm.c/reentrant.c: XFAIL.
1442         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1443
1444 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1445
1446         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1447         handle aborts.
1448         (_ITM_abortTransaction): Handle aborts of outer transactions.
1449         * libitm_i.h: Same.
1450         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1451         * libitm.texi: Document aborts of outer transactions.
1452         * testsuite/libitm.c/cancel.c: New file.
1453
1454 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1455
1456         * testsuite/*: Change __transaction to __transaction_atomic or
1457         __transaction_relaxed.
1458
1459 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1460
1461         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1462         (gtm_thr): Same.
1463
1464 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1465
1466         * libitm_i.h: Add gl_wt dispatch.
1467         * retry.cc (parse_default_method): Same.
1468         * method-gl.cc: New file.
1469         * Makefile.am: Use method-gl.cc.
1470         * Makefile.in: Rebuild.
1471
1472 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1473
1474         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1475         safety if requested by a TM method.
1476         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1477         privatization safety.
1478         * method-serial.cc: Same.
1479
1480 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1481
1482         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1483         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1484         undolog-related member functions from *_local to *_undolog.
1485         * local.cc (gtm_thread::commit_undolog): Same.
1486         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1487         (GTM::gtm_thread::rollback): Roll back undolog before
1488         dispatch-specific rollback.
1489
1490 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1491
1492         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1493         re-initialization of the current method group.
1494         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1495
1496 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1497
1498         * alloc.cc (commit_allocations_2): Do not free transaction-local
1499         memory when committing a nested transaction.
1500
1501 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1502
1503         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1504         serial-irrevocable dispatch, not serial.
1505
1506 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1507
1508         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1509         declarations.
1510         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1511         * method-serial.cc: Implement begin_or_restart().
1512         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1513         dispatch-specific begin_or_restart().
1514         (GTM::gtm_thread::restart): Same.
1515
1516 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1517
1518         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1519         restarting without switching to serial mode.
1520         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1521         transaction state. Choose closed-nesting alternative if available.
1522         (GTM::gtm_thread::set_default_dispatch): New.
1523         (parse_default_method): New.
1524         (GTM::gtm_thread::number_of_threads_changed): New.
1525         * method-serial.cc (GTM::serial_mg): New method group class.
1526         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1527         fini.
1528         (GTM::serial_dispatch): Same.
1529         (GTM::serialirr_onwrite_dispatch): Same.
1530         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1531         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1532         registered threads.
1533         (GTM::gtm_thread::gtm_thread): Same.
1534         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1535         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1536         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1537         choose dispatch but set state according to dispatch here.
1538         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1539         (GTM::method_group): New class.
1540         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1541         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1542         * libitm.texi: Document TM methods, method groups, method life cycle.
1543         Rename method sets to method groups.
1544
1545 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1546
1547         * config/x86/tls.h: Moved to ...
1548         * config/linux/x86/tls.h: ... here.
1549
1550 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1551
1552         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1553         Add X32 support.
1554         * config/x86/sjlj.S: Same.
1555
1556 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1557
1558         * config/linux/rwlock.h: New file.
1559         * config/linux/rwlock.c: New file.
1560         * configure.ac: Reenable futex support (undo SVN rev 157758).
1561         * Makefile.am: Same.
1562         * configure.tgt: Same.
1563         * config/linux/alpha/futex_bits.h: Same.
1564         * config/linux/futex.h: Same. Return number of woken processes.
1565         * config/linux/futex.cc: Same.
1566         (futex_wait): Remove spinning.
1567         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1568         Use __x86_64__ instead of __LP64__.
1569         * aclocal.m4: Include generic futex checks.
1570         * configure: Rebuild.
1571         * Makefile.in: Rebuild.
1572         * testsuite/Makefile.in: Rebuild.
1573         * beginend.cc: Include pthread.h.
1574         * config/posix/cachepage.cc: Same.
1575
1576 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1577
1578         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1579         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1580         (set_gtm_thr): New.
1581         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1582         (set_gtm_thr): New.
1583         (GTM::gtm_thread::thread_num): Removed.
1584         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1585         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1586         tx-to-thread renaming.
1587         * beginend.cc: Adapted to tx-to-thread renaming.
1588         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1589         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1590         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1591         gtm_transaction to gtm_thread.
1592         (_ITM_getThreadnum): Removed. Not supported anymore.
1593         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1594         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1595         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1596         gtm_tx-to-gtm_thr renaming if necessary.
1597         * eh_cpp.cc: Same.
1598         * local.cc: Same.
1599         * retry.cc: Same.
1600         * clone.cc: Same.
1601         * alloc.cc: Same.
1602         * alloc_c.cc: Same.
1603         * alloc_cpp.cc: Same.
1604         * method-serial.cc: Same.
1605         * config/generic/tls.cc: Same.
1606         * config/posix/rwlock.h (gtm_rwlock): Same.
1607         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1608
1609 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1610
1611         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1612         implementation.
1613         (gtm_rwlock::read_unlock): Same.
1614         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1615         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1616         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1617         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1618         w_upgrade. Replaced by per-transaction flags (in shared_state).
1619         Added c_confirmed_writers.
1620         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1621         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1622         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1623         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1624         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1625         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1626         * libitm.texi: Document locking conventions and implementations in
1627         libitm.
1628
1629 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1630
1631         * libitm_i.h (next_tx): Add list of all threads' transaction.
1632         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1633         transaction with list of transactions and ...
1634         (thread_exit_handler): ... deregister here.
1635         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1636         * config/x86/target.h: Same.
1637
1638 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1639
1640         * testsuite/libitm.c++/static_ctor.C: New file.
1641
1642 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1643
1644         * testsuite/libitm.c/reentrant.c: New file.
1645
1646 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1647
1648         * config/generic/tls.h: Remove the free list for transactions and ...
1649         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1650         (GTM::gtm_transaction::operator delete): ... and release here.
1651         (thread_exit_handler): New. Delete tx when thread terminates.
1652         (thread_exit_init): New.
1653         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1654         * testsuite/libitm.c/txrelease.c: New file.
1655
1656 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1657
1658         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1659         * testsuite/libitm.c/notx.c: New file.
1660
1661 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1662
1663         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1664         * libitm_i.h (local_tid): ... to here.
1665         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1666         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1667
1668 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1669
1670         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1671         serialirr_onwrite_dispatch as new default for now.
1672         * method-serial.cc (serialirr_onwrite_dispatch): New.
1673         (GTM::dispatch_serialirr_onwrite): New.
1674         * libitm_i.h: Same.
1675
1676 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1677
1678         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1679         * query.cc (_ITM_getTransactionId): There is no active transaction if
1680         the current nesting level is zero.
1681
1682 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1683
1684         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1685         rollback.
1686
1687 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1688
1689         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1690         transaction properties from the caller instead of from the
1691         transaction object.
1692         * libitm_i.h: Same.
1693         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1694
1695 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1696
1697         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1698         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1699         * dispatch.h: Same.
1700         * method-serial.cc: Same.
1701         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1702         flat nesting as default, and closed nesting on demand.
1703         (GTM::gtm_transaction::rollback): Same.
1704         (_ITM_abortTransaction): Same.
1705         (GTM::gtm_transaction::restart): Same.
1706         (GTM::gtm_transaction::trycommit): Same.
1707         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1708         (choose_code_path): New.
1709         (GTM::gtm_transaction_cp::save): New.
1710         (GTM::gtm_transaction_cp::commit): New.
1711         * query.cc (_ITM_inTransaction): Support flat nesting.
1712         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1713         (GTM::gtm_transaction): Support flat and closed nesting.
1714         * alloc.cc (commit_allocations_2): New.
1715         (commit_cb_data): New helper struct.
1716         (GTM::gtm_transaction::commit_allocations): Handle nested
1717         commits/rollbacks.
1718         * libitm.texi: Update user action section, add description of nesting.
1719
1720 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1721
1722         * libitm_i.h: Add closed nesting as restart reason.
1723         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1724
1725 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1726
1727         * useraction.cc: Use vector instead of list to store actions.
1728         Also support partial rollbacks for closed nesting.
1729         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1730         * beginend.cc: Same.
1731
1732 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1733
1734         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1735         closed_nesting flags, as well as a closed nesting alternative.
1736         * method-serial.cc: Same.
1737         (serial_dispatch): Renamed to serialirr_dispatch.
1738         (GTM::dispatch_serialirr): Same.
1739         (serial_dispatch_ul): Renamed to serial_dispatch.
1740         (GTM::dispatch_serial): Same.
1741
1742 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1743
1744         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1745
1746 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1747
1748         * aatree.h (aa_tree::remove): New.
1749         (aa_tree::operator new): Add placement new.
1750
1751 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1752
1753         * containers.h: New file.
1754         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1755         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1756         * common.h: ... to here.
1757         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1758         * local.cc: Same.
1759
1760 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1761
1762         * libitm_i.h (STATE_ABORTING): Remove.
1763         * beginend.cc (_ITM_abortTransaction): Same.
1764         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1765         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1766         (_ITM_rollbackTransaction): Remove.
1767         * beginend.cc: Same.
1768         * libitm.map: Same.
1769         * libitm.texi: Document these ABI changes.
1770
1771 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1772
1773         * libitm.texi: New file.
1774         * Makefile.am: Add libitm.texi.
1775         * Makefile.in: Rebuild.
1776
1777 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1778
1779         * libitm_i.h: Move parts to common.h and dispatch.h.
1780         * common.h: New file.
1781         * dispatch.h: New file, new dispatch class.
1782         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1783         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1784         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1785         decision to retry.cc.
1786         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1787         only.
1788         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1789         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1790         logging.
1791         * barrier.cc: Use new barriers definitions.
1792         (abi_dispatch::memmove_overlap_check): New.
1793         * config/x86/x86_sse.cc: Same.
1794         * config/x86/x86_avx.cc: Same.
1795         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1796         memcpy.cc.
1797         * Makefile.in: Rebuild.
1798         * method-readonly.cc: Remove.
1799         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1800         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1801
1802 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1803
1804         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1805         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1806         * testsuite/libitm.c/dropref-2.c: Same.
1807         * testsuite/libitm.c/dropref.c: Same.
1808
1809 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1810
1811         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1812         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1813         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1814         * alloc_c.cc: Same.
1815         * barrier.tpl: Same.
1816         * beginend.c: Same.
1817         * config/generic/tls.h: Same.
1818         * config/x86/tls.h: Same.
1819         * libitm_i.h: Same.
1820         * memcpy.cc: Same.
1821         * memset.cc: Same.
1822         * method-readonly.cc: Same.
1823         * method-serial.cc: Same.
1824         * method-wbetl.cc: Same.
1825         * retry.cc: Same.
1826
1827 2011-03-03  Richard Henderson  <rth@redhat.com>
1828
1829         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1830         From Patrik Marlier <patrick.marlier@unine.ch>.
1831
1832 2011-02-03  Richard Henderson  <rth@redhat.com>
1833
1834         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1835         * configure.ac: Use it.
1836         * configure, config.h.in: Rebuild.
1837         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1838         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1839         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1840         * libitm.map: Use wildcards to match size_t mangling.
1841
1842 2010-12-14  Richard Henderson  <rth@redhat.com>
1843
1844         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1845         blocks of TIDs per thread.
1846         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1847         (setup_gtm_thr): Return the thread structure.
1848         * config/x86/tls.h (setup_gtm_thr): Likewise.
1849
1850 2010-12-14  Richard Henderson  <rth@redhat.com>
1851
1852         * clone.cc (table_lock): Remove.
1853         (find_clone): Don't take it.
1854         (ExcludeTransaction): New helper class.
1855         (_ITM_registerTMCloneTable): Use it.
1856         (_ITM_deregisterTMCloneTable): Likewise.
1857
1858 2010-12-14  Richard Henderson  <rth@redhat.com>
1859
1860         * config/x86/tls.h: New file.
1861
1862 2010-07-15  Richard Henderson  <rth@redhat.com>
1863
1864         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1865         * Makefile.in: Rebuild.
1866
1867 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1868
1869         * method-wbetl.cc (trydropreference): Fix source line.
1870
1871 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1872
1873         * libitm.h: Add comment.
1874         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1875
1876 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1877
1878         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1879         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1880         available, use pthread mutexes.
1881         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1882         * config.h.in: Regenerate.
1883         * configure: Regenerate.
1884
1885 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1886
1887         * libitm.h (ITM_PURE): Define.
1888         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1889
1890 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1891
1892         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1893         (validate): Add comment.
1894         (trydropreference): New.
1895         * method-readonly.cc (class readonly_dispatch): Add
1896         trydropreference.
1897         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1898         Call trydropreference().
1899         * libitm.h (_ITM_dropReferences): Remove const attribute.
1900         * method-serial.cc (class serial_dispatch): Add trydropreference.
1901         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1902
1903 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1904
1905         * memcpy.cc (do_memcpy): Comment.
1906
1907 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1908
1909         * barrier.tpl: Add comments throughout.
1910
1911 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1912
1913         * method-wbetl.cc (struct w_entry): Add comments.
1914         (trycommit): Same.
1915         (rollback): Same.
1916
1917 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1918
1919         * alloc_c.cc (_ITM_dropReferences): New.
1920         * libitm.map (_ITM_dropReferences): Add.
1921         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1922         * libitm_i.h (struct gtm_transaction): Declare
1923         drop_references_allocations and drop_references_local.
1924         * local.cc (rollback_local): Ignore memory when applicable.
1925         (drop_references_local): New.
1926
1927 2010-06-23  Richard Henderson  <rth@redhat.com>
1928
1929         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1930         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1931         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1932         * config/alpha/target.h: Likewise.
1933         * config/generic/tls.cc (gtm_mask_stack): Use it.
1934
1935 2010-06-23  Richard Henderson  <rth@redhat.com>
1936
1937         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1938         a mutex instead of trying a lock-free compare-and-swap on the list.
1939         (gtm_cacheline_page::operator delete): Likewise.
1940
1941 2010-06-16  Richard Henderson  <rth@redhat.com>
1942
1943         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1944         that overlap the libitm stack.
1945         * barrier.tpl: Mark incoming stack.
1946         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1947         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1948         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1949         * memcpy.cc, memset.cc: Likewise.
1950         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1951         * config/generic/tls.h (gtm_thread): Add stack_top member.
1952         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1953         * libitm_i.h (gtm_mask_stack): Declare.
1954         * config/generic/tls.cc: New file.
1955         * Makefile.am (libitm_la_SOURCES): Add it.
1956         (AM_CXXFLAGS): Turn off exceptions.
1957         * Makefile.in: Rebuild.
1958
1959 2010-06-16  Richard Henderson  <rth@redhat.com>
1960
1961         * alloc.cc (struct gtm_alloc_action): Move definition ...
1962         * libitm_i.h: ... here.
1963         (class gtm_transaction): Declare new and delete.
1964         * beginend.cc (alloc_tx): Reformulate as operator new.
1965         (free_tx): Reformulate as operator delete.
1966         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1967
1968 2010-06-11  Richard Henderson  <rth@redhat.com>
1969
1970         * clone.cc (clone_entry_compare): Fix typo.
1971         From Patrik Marlier <patrick.marlier@unine.ch>.
1972
1973 2010-05-13  Richard Henderson  <rth@redhat.com>
1974
1975         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1976         in extern "C".
1977
1978 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1979
1980         * libitm_i.h (struct gtm_transaction): Remove
1981         get_allocation_size.
1982         (record_allocation): Remove size parameter.
1983         * libitm.map (_ITM_realloc): Remove.
1984         * alloc_c.cc (_ITM_realloc): Remove.
1985         (_ITM_malloc): Remove size argument to record_allocation.
1986         (_ITM_calloc): Same.
1987         * alloc_cpp.cc (_ZGTtnwm): Same.
1988         (_ZGTtnwmRKSt9nothrow_t): Same.
1989         (_ZGTtnam): Same.
1990         (_ZGTtnamRKSt9nothrow_t): Same.
1991         * alloc.cc (struct gtm_alloc_action): Remove size.
1992         (get_allocation_size): Remove.
1993         (commit_allocations): Add comment.
1994         (record_allocation): Remove size parameter.
1995         (forget_allocation): Remove set of size.
1996
1997 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1998
1999         * Makefile.am (abi_version): New.
2000         (AM_CXXFLAGS): Pass abi_version.
2001         * Makefile.in: Regenerate.
2002         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2003
2004 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2005
2006         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2007         _ITM_getTMCloneOrIrrevokable.
2008         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2009         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2010
2011 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2012
2013         * configure.ac: Remove Linux futex support.
2014         * configure.tgt (config_path): Same.
2015         * Makefile.am: Same.
2016         * config/linux: Remove entire directory.
2017         * configure: Rebuild.
2018         * Makefile.in: Rebuild.
2019         * testsuite/Makefile.in: Rebuild.
2020
2021 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2022
2023         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2024         switching to serial mode.
2025         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2026
2027 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2028
2029         * configure.tgt: Add emacs -*- tags.
2030         * barrier.tpl: Same.
2031
2032 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2033
2034         * Makefile.am: Rename serial.cc to method-serial.cc.
2035         * Makefile.in: Regenerate with automake 1.11.1.
2036         * testsuite/Makefile.in: Same.
2037         * aclocal.m4: Regenerate with aclocal 1.11.1.
2038         * method-serial.cc: Rename from serial.cc.
2039         * libitm_i.h (struct gtm_transaction): Update comment on
2040         serialirr_mode.
2041
2042 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2043
2044         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2045         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2046
2047 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2048
2049         * configure: Rebuild.
2050
2051 2009-11-12  Richard Henderson  <rth@redhat.com>
2052
2053         * Rewrite everything in C++.
2054
2055 2009-11-03  Richard Henderson  <rth@redhat.com>
2056
2057         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2058         * Makefile.am (libitm_la_SOURCES): Add them.
2059         * configure.ac (ARCH_X86): New conditional.
2060         * Makefile.in, configure: Rebuild.
2061         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2062         Move futex setup into "other system configury" case.
2063         * local.c (rollback_local): Merge into ...
2064         (GTM_rollback_local): ... here.
2065         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2066         (_ITM_LB): Define as an alias to GTM_LB.
2067
2068 2009-11-03  Richard Henderson  <rth@redhat.com>
2069
2070         * method-readonly.c: New file.
2071         * Makefile.am (libitm_la_SOURCES): Add it.
2072         * Makefile.in: Rebuild.
2073         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2074         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2075         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2076         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2077         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2078         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2079         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2080         gtm_get_clock, gtm_inc_clock): New.
2081         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2082         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2083         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2084         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2085         replace uses with new libitm_i.h symbols.
2086         (dispatch_wbetl): Rename from wbetl_dispatch.
2087         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2088         away from dispatch_readonly; abort if the beginTransaction call
2089         asserted that the transaction was readonly.
2090
2091 2009-11-03  Richard Henderson  <rth@redhat.com>
2092
2093         * memset.c: New file.
2094         * Makefile.am (libitm_la_SOURCES): Add it.
2095         * Makefile.in: Rebuild.
2096         * testsuite/libitm.c/memset-1.c: New.
2097
2098 2009-11-03  Richard Henderson  <rth@redhat.com>
2099
2100         * dispatch.c: Remove file.
2101         * useraction.c (struct gtm_user_action): Move from libitm.h.
2102         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2103         (serial_memset, serial_memmove, serial_memcpy): Remove.
2104         (serial_W*, serial_R*): Remove.
2105         (serial_dispatch): Update to match.
2106         * configure.ac: Move Werror down below configure checks.  Don't
2107         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2108         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2109         Use GCC_AC_FUNC_MMAP_BLACKLIST
2110         * libitm.h: Split out all internal items to...
2111         * libitm_i.h: ... here.  New file.
2112         * copymask.c: New file.
2113         * local.c (struct gtm_local_undo): Move from libitm.h.
2114         (GTM_alloc_local): Rename from alloc_local; export.
2115         * memcpy.c: New file.
2116         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2117         * config/posix/page.c: New file.
2118         * config/posix/target_tls.h: Remove file.
2119         * barrier.c: New file.
2120         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2121         copymask.c, page.c.
2122         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2123         * method-wbetl.c: Rewrite for new cacheline methods.
2124         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2125
2126         * config/alpha/sjlj.S: Fix typo.
2127         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2128         * config/alpha/copymask.c: New file.
2129         * config/alpha/target.h (CACHELINE_SIZE): New.
2130         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2131
2132         * config/x86/target_i.h: Copy functions from x86/target.h.
2133         * config/x86/copymask.c: New file.
2134         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2135         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2136         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2137         * config/x86/target_tls.h: Move contents to target_i.h.
2138
2139         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2140         * testsuite/libitm.c/memcpy-1.c: New.
2141
2142 2009-10-22  Richard Henderson  <rth@redhat.com>
2143
2144         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2145         (AM_CCASFLAGS): New.
2146         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2147         saving/restoring _AC_ARG_VAR_PRECIOUS.
2148         * Makefile.in, aclocal.m4, config.h.in, configure,
2149         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2150
2151 2009-10-22  Richard Henderson  <rth@redhat.com>
2152
2153         * testsuite/*: Update for new compiler syntax.
2154
2155 2009-10-21  Richard Henderson  <rth@redhat.com>
2156
2157         * libitm.h (_ITM_abortReason): Add outerAbort.
2158
2159 2009-08-03  Richard Henderson  <rth@redhat.com>
2160
2161         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2162         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2163         * method-wbetl.c (struct w_entry): Remove mask.
2164         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2165         adjust all callers.
2166
2167 2009-07-22  Richard Henderson  <rth@redhat.com>
2168
2169         * eh_cpp.c: New file.
2170         * Makefile.am (libitm_la_SOURCES): Add it.
2171         * Makefile.in: Rebuild.
2172         * beginend.c (GTM_rollback_transaction): Undo exception state.
2173         (GTM_trycommit_transaction): Mark inline.
2174         (GTM_trycommit_and_finalize_transaction): Split out from ...
2175         (_ITM_commitTransaction): ... here.
2176         (_ITM_commitTransactionEH): New function.
2177         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2178         cxa_unthrown, eh_in_flight; reorder.
2179
2180         * testsuite/libitm.c++/c++.exp: New.
2181         * testsuite/libitm.c++/eh-1.C: New.
2182
2183         * aatree.c (aa_free): Remove REGPARM.
2184         * aatree.h: Remove all REGPARM.
2185
2186 2009-07-18  Richard Henderson  <rth@redhat.com>
2187
2188         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2189         * Makefile.am (libitm_la_SOURCES): Add them.
2190         * Makefile.in: Rebuild.
2191         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2192         (GTM_trycommit_transaction): Likewise.
2193         * libitm.h: Include aatree.h
2194         (struct gtm_alloc_action): New.
2195         (struct gtm_transaction): Add alloc_actions.
2196         (GTM_record_allocation, GTM_forget_allocation): Declare.
2197         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2198         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2199         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2200         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2201         _ZGTtdaPvRKSt9nothrow_t): Export.
2202
2203 2009-07-18  Richard Henderson  <rth@redhat.com>
2204
2205         * target_tls.h: Move ...
2206         * config/posix/target_tls.h: ... here.
2207
2208 2009-07-07  Richard Henderson  <rth@redhat.com>
2209
2210         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2211
2212 2009-07-07  Richard Henderson  <rth@redhat.com>
2213
2214         * Update to GPL3.
2215
2216 2009-07-07  Richard Henderson  <rth@redhat.com>
2217
2218         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2219         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2220
2221         * configure.tgt: Don't use -ftls-model for x86 linux.
2222         * libitm.h: Include target.h after standard includes.
2223         (_gtm_thr): Rename from gtm_thr.
2224         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2225         (gtm_disp, set_gtm_disp): New.
2226         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2227         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2228         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2229
2230 2009-07-07  Richard Henderson  <rth@redhat.com>
2231
2232         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2233
2234 2009-07-06  Richard Henderson  <rth@redhat.com>
2235
2236         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2237         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2238         (_ITM_beginTransaction): Take variadic arguments.
2239         (_ITM_registerThrownObject): Declare.
2240         * beginend.c, serial.c: Update.
2241         * libitm.map: Add _ITM_registerThrownObject.
2242
2243 2009-01-28  Richard Henderson  <rth@redhat.com>
2244
2245         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2246         * Makefile.in: Rebuild.
2247         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2248         (GTM_restart_transaction): Fix uninstrumented code check.
2249         * retry.c (GTM_decide_retry_strategy): Add serial check.
2250         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2251         automatically go irrevokable when in serial mode.
2252         * clone.c: New file.
2253         * libitm.h, libitm.map: Update.
2254
2255 2009-01-27  Richard Henderson  <rth@redhat.com>
2256
2257         * Makefile.am (LTCCASCOMPILE): Define.
2258         (libitm_la_SOURCES): Add methid-wbetl.c.
2259         * testsuite/Makefile.am: New
2260         * configure.ac: Add testsuite/Makefile.
2261         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2262         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2263         (_ITM_abortTransaction): Finalize implementation method; pass
2264         transaction properties to longjmp.
2265         (GTM_restart_transaction): Split out from ...
2266         (_ITM_commitTransaction): ... here.
2267         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2268         Move to config/x86/target.h.
2269         * config/linux/alpha/futex_bits.h: New.
2270         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2271         * config/x86/target.h: Disable target types for 32-bit.
2272         * config/alpha/sjlj.S, config/alpha/target.h: New.
2273         * libitm.h (struct gtm_dispatch): Add init, fini.
2274         (enum restart_reason): New.
2275         (struct gtm_transaction): Add method and restarts.
2276         * retry.c (GTM_decide_retry_strategy): Implement.
2277         * serial.c (serial_init, serial_fini): New.
2278         (GTM_serialmode): Finialize outgoing method.
2279         * method-wbetl.c: New.
2280
2281 2008-12-09  Richard Henderson  <rth@redhat.com>
2282
2283         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2284         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2285         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2286         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2287         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2288         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2289         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2290         * serial.c (serial_R##T, serial_W##T): Likewise.
2291
2292 2008-11-21  Richard Henderson  <rth@redhat.com>
2293
2294         * Initial commit.
2295 \f
2296 Copyright (C) 2008-2021 Free Software Foundation, Inc.
2297
2298 Copying and distribution of this file, with or without modification,
2299 are permitted in any medium without royalty provided the copyright
2300 notice and this notice are preserved.