libitm/ChangeLog

   1 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * libitm.texi: Bump @copying's copyright year.
   4
   5 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
   6
   7         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
   8         target does not support HAVE_ELF_STYLE_WEAKREF then do not
   9         try to test the __cxa_get_globals against NULL.
  10
  11 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
  12
  13         PR libstdc++/91488
  14         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
  15
  16 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
  17
  18         PR target/70454
  19         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
  20         be added through preprocessor check on
  21         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
  22
  23 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  24
  25         * configure: Re-generate.
  26
  27 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  28
  29         * libitm.texi: Bump @copying's copyright year.
  30
  31 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  32
  33         PR target/97865
  34         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  35         * configure: Regenerate.
  36
  37 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  38
  39         * configure: Regenerate.
  40
  41 2020-10-01  Alan Modra  <amodra@gmail.com>
  42
  43         * config/powerpc/sjlj.S: Support __PCREL__ code.
  44
  45 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  46
  47         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  48
  49 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  50
  51         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  52         and add BTI c to function entries.
  53
  54 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  55
  56         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  57
  58 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  59
  60         PR bootstrap/95413
  61         * configure: Regenerated.
  62
  63 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  64
  65         PR bootstrap/95147
  66         * configure: Regenerated.
  67
  68 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  69
  70         * configure: Regenerated.
  71
  72 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  73
  74         Fix throw specifiers on interface.
  75         * libitm/libitm.h (_ITM_NOTHROW): Define.
  76         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  77         (_ITM_cxa_begin_catch): Use it.
  78         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  79         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  80         __cxa_get_globals.
  81         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  82         (_ITM_cxa_begin_catch): Likewise.
  83
  84 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  85
  86         * testsuite/lib/libitm.exp (libitm_init): Add
  87         -fdiagnostics-color=never to options.
  88
  89 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  90
  91         PR libstdc++/79193
  92         PR libstdc++/88999
  93
  94         * configure: Regenerated.
  95
  96 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
  97
  98         * configure.ac: Handle `--with-toolexeclibdir='.
  99         * Makefile.in: Regenerate.
 100         * aclocal.m4: Regenerate.
 101         * configure: Regenerate.
 102         * testsuite/Makefile.in: Regenerate.
 103
 104 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 105
 106         Update copyright years.
 107
 108         * libitm.texi: Bump @copying's copyright year.
 109
 110 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 111
 112         PR libgomp/91938
 113         * configure.tgt: Avoid IE tls on *-*-musl*.
 114
 115 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 116
 117         * configure: Regenerate.
 118
 119 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 120
 121         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 122
 123 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 124
 125         * configure.tgt: Handle *-*-uclinux*.
 126         * configure: Regenerate.
 127
 128 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 129
 130         * configure: Regenerate.
 131
 132 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 133
 134         PR other/79543
 135         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 136         scanning to conform to the GNU Coding Standards.
 137         * configure: Regenerate.
 138
 139 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 140
 141         * Makefile.am (finclude): Remove.
 142         * Makefile.in: Regenerated.
 143
 144 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 145
 146         Update copyright years.
 147
 148 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 149
 150         * libitm.texi: Bump @copying's copyright year.
 151
 152 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 153
 154         PR c++/88482
 155         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 156         void * to void (*) (void *).
 157         (_ITM_cxa_throw): Likewise.
 158         * libitm.h (_ITM_cxa_throw): Likewise.
 159         * libitm.texi (_ITM_cxa_throw): Likewise.
 160
 161 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 162
 163         * config/powerpc/target.h (htm_available):  Add support for
 164         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 165
 166 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 167
 168         PR bootstrap/82856
 169         * Makefile.am: Include multilib.am.
 170         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 171         (CLEANFILES): Remove libitm.info.
 172         * configure.ac: Remove AC_PREREQ.
 173         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 174         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 175         Regenerate.
 176
 177 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 178
 179         PR libitm/86293
 180         * method-serial.cc: Mark varible as potentially unused
 181         to silence warning.
 182
 183 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 184
 185         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 186         absolute relocation in a shared library.
 187
 188 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 189
 190         PR libitm/85988
 191         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 192         __private_tm as base.
 193         (SEG_WRITE): Likewise.
 194         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 195         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 196         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 197         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 198         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 199
 200 2018-05-17  Jason Merrill  <jason@redhat.com>
 201
 202         * beginend.cc (save): Disable -Werror=deprecated-copy.
 203
 204 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 205
 206         PR testsuite/85106
 207         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 208
 209 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 210
 211         PR testsuite/85106
 212         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 213
 214 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 215
 216         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 217         (__CET__ & 2) != 0 check for shadow stack.
 218         (GTM_longjmp): Likewise.
 219
 220 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 221
 222         * configure: Regenerated.
 223
 224 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 225
 226         PR target/85489
 227         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 228
 229 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 230
 231         * configure: Regenerated.
 232
 233 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 234
 235         PR jit/85384
 236         * configure: Regenerate.
 237
 238 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 239
 240         PR target/84148
 241         * configure: Regenerate.
 242
 243 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 244
 245         Update copyright years.
 246
 247         * libitm.texi: Bump @copying's copyright year.
 248
 249 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 250
 251         * Makefile.in: Regenerate.
 252         * acinclude.m4: Add enable.m4 and cet.m4.
 253         * config/x86/sjlj.S: Include cet.h.
 254         (_ITM_beginTransaction): Add _CET_ENDBR.
 255         Save Shadow Stack pointer.
 256         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 257         * config/x86/target.h (struct gtm_jmpbuf):
 258         Add new field for Shadow Stack pointer.
 259         * configure: Regenerate.
 260         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 261         * configure.ac: Update libtool_VERSION for x86.
 262         * testsuite/Makefile.in: Regenerate.
 263
 264 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 265
 266         * libitm/config/x86/target.h: Add new field (ssp).
 267         * libitm/config/x86/sjlj.S: Change offsets.
 268
 269 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 270
 271         * testsuite/lib/libitm.exp: Load scanlang.exp.
 272
 273 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 274
 275         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 276
 277 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 278
 279         PR other/79046
 280         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 281         of cat to get version from BASE-VER file.
 282         * testsuite/Makefile.in: Regenerated.
 283
 284 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 285
 286         * config/x86/target.h (htm_available): Determine vendor from
 287         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 288
 289 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 290
 291         * config/x86/target.h (htm_available): Add check for some processors
 292         on which TSX is broken.
 293
 294 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 295
 296         PR other/79046
 297         * configure.ac: Add GCC_BASE_VER.
 298         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 299         get version from BASE-VER file.
 300         * testsuite/Makefile.in: Regenerated.
 301         * configure: Regenerated.
 302         * Makefile.in: Regenerated.
 303
 304 2017-01-04  Alan Modra  <amodra@gmail.com>
 305
 306         * Makefile.in: Regenerate.
 307         * testsuite/Makefile.in: Regenerate.
 308
 309 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 310
 311         Update copyright years.
 312
 313         * libitm.texi: Bump @copying's copyright year.
 314
 315 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 316
 317         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 318         * aclocal.m4: Regenerate.
 319         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 320         LIBITM_CHECK_LINKER_HWCAP.
 321
 322 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 323
 324         * configure: Regenerate.
 325
 326 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 327
 328         PR libitm/70456
 329         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 330         on cache line if requested.
 331
 332 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 333
 334         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 335         function attribute to disable floating point in begin_transaction() on
 336         S/390.
 337         * beginend.cc (begin_transaction): Use
 338         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 339
 340 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 341
 342         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 343         boundary.
 344         (htm_fastpath): Remove.
 345         (gtm_thread::begin_transaction): Fix HTM fastpath.
 346         (_ITM_commitTransaction): Adapt.
 347         (_ITM_commitTransactionEH): Adapt.
 348         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 349         and accessors.
 350         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 351         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 352         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 353         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 354         * libitm/method-serial.cc (htm_mg): Adapt.
 355         (gtm_thread::serialirr_mode): Adapt.
 356         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 357
 358 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 359
 360         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 361         or AIX.
 362
 363 2016-01-19  Richard Henderson  <rth@redhat.com>
 364
 365         PR bootstrap/69343
 366         PR bootstrap/69339
 367         Revert:
 368         2016-01-13  Richard Henderson  <rth@redhat.com>
 369
 370         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 371         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 372         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 373         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 374         * configure.ac (ARCH_AARCH64): New conditional.
 375         (ARCH_PPC, ARCH_S390): Likewise.
 376         * Makefile.in, configure: Rebuild.
 377
 378         * libitm.h (_ITM_TYPE_M128): Always define.
 379         * vect64.cc: Split ...
 380         * vect128.cc: ... out of...
 381         * config/x86/x86_sse.cc: ... here.
 382         * config/arm/neon.cc: New file.
 383
 384 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 385
 386         * local_type_traits: Remove file.
 387         * libitm_i.h: Don't include it anymore.
 388         (sized_integral): Remove.
 389
 390 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 391
 392         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 393         safety.
 394         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 395         * libitm/testsuite/libitm.c/priv-1.c: New.
 396
 397 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 398
 399         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 400
 401 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 402
 403         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 404         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 405         (gtm_rwlock::write_unlock): Likewise.
 406
 407 2016-01-13  Richard Henderson  <rth@redhat.com>
 408
 409         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 410         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 411         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 412         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 413         * configure.ac (ARCH_AARCH64): New conditional.
 414         (ARCH_PPC, ARCH_S390): Likewise.
 415         * Makefile.in, configure: Rebuild.
 416
 417         * libitm.h (_ITM_TYPE_M128): Always define.
 418         * vect64.cc: Split ...
 419         * vect128.cc: ... out of...
 420         * config/x86/x86_sse.cc: ... here.
 421         * config/arm/neon.cc: New file.
 422
 423 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 424
 425         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 426         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 427         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 428         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 429         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 430         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 431         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 432         (serialirr_dispatch::snapshot_most_recent): New.
 433         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 434
 435 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 436
 437         * libitm_i.h (gtm_mask_stack): Remove.
 438         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 439         * stmlock.h: Remove file.
 440         * config/alpha/cacheline.h: Likewise.
 441         * config/generic/cacheline.h: Likewise.
 442         * config/powerpc/cacheline.h: Likewise.
 443         * config/sparc/cacheline.h: Likewise.
 444         * config/x86/cacheline.h: Likewise.
 445
 446 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 447
 448         Update copyright years.
 449
 450         * libitm.texi: Bump @copying's copyright year.
 451
 452 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 453
 454         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 455         (ml_wt_dispatch::pre_write): Adapt.
 456         (ml_wt_dispatch::pre_load): Likewise.
 457
 458 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 459
 460         * libitm_i.h (gtm_alloc_action): Remove union.
 461         * testsuite/libitm.c/alloc-1.c: New.
 462
 463 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 464
 465         * testsuite/libitm.c++/eh-5.C: New.
 466         * libitm.h (_ITM_cxa_free_exception): New.
 467         * libitm.map (_ITM_cxa_free_exception): Add it.
 468         * libitm.texi: Update ABI docs.
 469         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 470         (gtm_transaction_cp::cxa_uncaught_count): Add.
 471         (gtm_thread::cxa_unthrown): Remove.
 472         (gtm_thread::cxa_uncaught_count_ptr): Add.
 473         (gtm_thread::cxa_uncaught_count): Add.
 474         (gtm_thread::drop_references_allocations): Rename to...
 475         (gtm_thread::discard_allocation): ... this and adapt.
 476         (gtm_thread::init_cpp_exceptions): New.
 477         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 478         (gtm_thread::begin_transaction): Likewise.
 479         (gtm_transaction_cp::save): Likewise.
 480         (gtm_thread::trycommit): Likewise.
 481         * eh_cpp.cc: Add overview comments.
 482         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 483         (free_any_exception, _ITM_cxa_free_exception): New.
 484         (gtm_thread::init_cpp_exceptions): Define.
 485         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 486         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 487         (gtm_thread::revert_cpp_exceptions): Likewise.
 488
 489 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 490
 491         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 492         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 493         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 494         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 495         (gtm_thread::forget_allocations): New overload with size_t argument.
 496         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 497         adapt existing one.
 498         (gtm_thread::record_allocation): Adapt.
 499         (gtm_thread::commit_allocations_1): Adapt.
 500         (gtm_thread::commit_allocations_2): Adapt.
 501         * testsuite/libitm.c++/newdelete.C: New.
 502
 503 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 504             Joseph Myers  <joseph@codesourcery.com>
 505             Mark Shinwell  <shinwell@codesourcery.com>
 506             Andrew Stubbs  <ams@codesourcery.com>
 507             Rich Felker <dalias@libc.org>
 508
 509         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 510         GTM_begin_transaction for compatibility with FDPIC.
 511
 512 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 513
 514         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 515         using load_gcc_lib.
 516
 517 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 518
 519         PR libitm/61164
 520         * local_atomic (__always_inline): Rename to...
 521         (__libitm_always_inline): ... this.
 522
 523 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 524
 525         PR target/52482
 526         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 527
 528 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 529
 530         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 531         operands "op" and "val" to int.
 532
 533 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 534
 535         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 536         "op" and "val" to int.
 537
 538 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 539
 540         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 541         "op" and "val" to int.
 542
 543 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 544
 545         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 546         Declare as static int.
 547         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 548         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 549
 550 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 551
 552         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 553         sys_futex0 function.
 554
 555 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 556
 557         * Makefile.in: Regenerated with automake-1.11.6.
 558         * aclocal.m4: Likewise.
 559         * configure: Likewise.
 560         * testsuite/Makefile.in: Likewise.
 561
 562 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 563
 564         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 565         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 566
 567 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 568
 569         PR libitm/64360
 570         * libitm.c/stackundo.c (test2): Make it static.
 571         (test1): Likewise.
 572
 573 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 574
 575         Update copyright years.
 576
 577 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 578
 579         * libitm.texi: Bump @copying's copyright year.
 580
 581 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 582
 583         * testsuite/lib/libitm.exp: Load target-utils.exp.
 584         Move load of target-supports.exp earlier.
 585
 586 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 587
 588         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 589
 590 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 591
 592         PR bootstrap/63784
 593         * configure: Regenerated.
 594
 595 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 596
 597         PR target/63610
 598         * configure: Regenerate.
 599
 600 2014-10-06  Marek Polacek  <polacek@redhat.com>
 601
 602         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 603         * testsuite/libitm.c/memset-1.c: Likewise.
 604
 605 2014-07-24  Richard Henderson  <rth@redhat.com>
 606
 607         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 608         addressing mode in epilogue.
 609
 610 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 611
 612         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 613         -mclear-hwcap instead.
 614         * configure: Regenerate.
 615         * clearcap.map: Remove.
 616
 617 2014-05-21  John Marino  <gnugcc@marino.st>
 618
 619         * configure.tgt (*-*-dragonfly*): New target.
 620
 621 2014-05-19  Richard Henderson  <rth@redhat.com>
 622
 623         * config/aarch64/sjlj.S: New file.
 624         * config/aarch64/target.h: New file.
 625         * configure.tgt: Enable aarch64.
 626
 627 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 628
 629         * config/generic/asmcfi.h: Also check for
 630         __GCC_HAVE_DWARF2_CFI_ASM.
 631
 632 2013-04-02  Richard Henderson  <rth@redhat.com>
 633
 634         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 635         * config/arm/target.h, config/sh/target.h: Likewise.
 636         * config/sparc/target.h, config/x86/target.h: Likewise.
 637
 638 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 639
 640         * config/linux/futex_bits.h: Include errno.h.
 641         (sys_futex0): If syscall returns -1, return -errno rather than
 642         -1.
 643
 644 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 645
 646         * libitm.texi (Index): Rename to Library Index.
 647
 648 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 649
 650         PR libitm/53113
 651         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 652         (x86_avx.lo): Append -mavx to CXXFLAGS.
 653         * Makefile.in: Regenerate.
 654
 655 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 656
 657         Update copyright years
 658
 659 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 660
 661         * libitm.texi: Bump @copying's copyright year.
 662
 663 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 664
 665         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 666         (FUNC): Define ELFv2 variant.
 667         (END): Likewise.
 668         (HIDDEN): Likewise.
 669         (CALL): Likewise.
 670         (BASE): Likewise.
 671         (LR_SAVE): Likewise.
 672
 673 2013-09-20  Alan Modra  <amodra@gmail.com>
 674
 675         * configure: Regenerate.
 676
 677 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 678
 679         * config/posix/rwlock.cc: Fix initialization order.
 680
 681 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 682
 683         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 684         (htm_fastpath): Assign an asm name.
 685         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 686         HTM fast paths.
 687         (_ITM_actions): Likewise.
 688         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 689         x86_64.
 690         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 691         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 692         field to the start of the structure.
 693         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 694         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 695         handling for custom HTM fast paths.
 696
 697 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 698         Revert:
 699         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 700
 701         * configure.tgt: Add -msoft-float to XCFLAGS.
 702
 703 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 704
 705         * configure.tgt: Add -msoft-float to XCFLAGS.
 706
 707 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 708
 709         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 710         (htm_transaction_active): Enable zEC12 instructions in the
 711         assembler.
 712         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 713
 714 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 715
 716         * acinclude.m4: Add htm asm check for s390.
 717         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 718         * configure: Regenerate.
 719         * config/s390/target.h: Remove __HTM__ check.
 720         (htm_available): Call getauxval to get hwcaps and check whether
 721         HTM is available or not.
 722
 723 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 724
 725         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 726         * configure.ac: Use it.
 727         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 728         (AC_CHECK_FUNCS): Check for getauxval.
 729         * config.h.in, configure: Rebuild.
 730         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 731         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 732         (USE_HTM_FASTPATH): Define.
 733         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 734         _HTM_RETRIES) New macros.
 735         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 736         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 737
 738 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 739
 740         * config/s390/target.h: Include htmintrin.h.
 741         (_HTM_ITM_RETRIES): New macro definition.
 742         (htm_available, htm_init, htm_begin, htm_begin_success)
 743         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 744
 745 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 746             Cesar Philippidis  <cesar@codesourcery.com>
 747
 748         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 749         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 750         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 751         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 752
 753 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 754
 755         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 756         (_ITM_getTransactionId): Same.
 757         * config/x86/target.h (htm_transaction_active): New.
 758
 759 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 760
 761         PR libitm/57643
 762         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 763         the HTM fastpath.
 764
 765 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 766
 767         PR bootstrap/56714
 768         * local_atomic (__always_inline): Always define our version.
 769         (__calculate_memory_order): Mark inline.
 770         (atomic_thread_fence): Ditto.
 771         (atomic_signal_fence): Ditto.
 772         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 773         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 774         (atomic_bool::atomic_flag_test_and_set): Ditto.
 775         (atomic_bool::atomic_flag_clear): Ditto.
 776
 777 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 778
 779         * config/s390/sjlj.S: New file.
 780         * config/s390/target.h: New file.
 781         * configure.tgt: Set options for S/390.
 782
 783 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 784
 785         * local_atomic (__always_inline): Add.
 786         (__calculate_memory_order, atomic_thread_fence,
 787          atomic_signal_fence, test_and_set, clear, store, load,
 788          exchange, compare_exchange_weak, compare_exchange_strong,
 789          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 790         Add __always_inline to force inlining.
 791
 792 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 793             Jack Howarth  <howarth@bromo.med.uc.edu>
 794             Patrick Marlier  <patrick.marlier@gmail.com>
 795
 796         PR libitm/55693
 797         * alloc_cpp.cc: Enable function declarations on darwin.
 798         * eh_cpp.cc: Likewise.
 799
 800 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 801
 802         Update copyright years.
 803
 804 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 805
 806         * beginend.cc (htm_fastpath): New.
 807         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 808         _ITM_commitTransactionEH): Add HTM fastpath handling.
 809         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 810         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 811         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 812         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 813         * configure.tgt: Add -mrtm to XCFLAGS.
 814         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 815         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 816         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 817         * retry.cc (parse_default_method): Add HTM method parsing.
 818         (gtm_thread::number_of_threads_changed): Use HTM by default if
 819         available.
 820
 821 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 822
 823         * configure: Regenerate.
 824
 825 2012-10-31  Richard Henderson  <rth@redhat.com>
 826
 827         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 828         * configure.ac: Use it.
 829         * config.h.in, configure: Rebuild.
 830         * testsuite/Makefile.in: Rebuild.
 831
 832 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 833
 834         * libitm.texi: Clarify ABI requirements for data-logging functions.
 835
 836 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 837
 838         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 839         it requires serial mode instead of assuming that for certain
 840         dispatchs.
 841         * dispatch.h (abi_dispatch::requires_serial): New.
 842         (abi_dispatch::abi_dispatch): Adapt.
 843         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 844         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 845         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 846         serial_dispatch::serial_dispatch,
 847         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 848
 849 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 850
 851         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 852         and ia32 declarations some more.
 853         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 854
 855 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 856
 857         PR other/43620
 858         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 859         * configure: Regenerate.
 860         * Makefile.in: Regenerate.
 861
 862 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 863
 864         * configure: Regenerated.
 865
 866 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 867
 868         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 869
 870 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 871
 872         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 873
 874 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         * configure: Regenerated.
 877
 878 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 879
 880         PR libitm/52854
 881         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 882         for x86-64.
 883
 884 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 885
 886         * configure: Regenerate.
 887
 888 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 889
 890         PR bootstrap/52812
 891         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 892
 893 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 894
 895         * testsuite/lib/libitm.exp: load fortran-modules.exp
 896
 897 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 898
 899         * configure.tgt (*-*-irix6*): Remove.
 900
 901 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 902
 903         PR libitm/52526
 904         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 905         wake-up.
 906
 907 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 908
 909         * configure.tgt (*-*-osf*): Remove.
 910         * configure: Regenerate.
 911
 912 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 913
 914         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 915         memtransfer/memset if size isn't larger than zero.
 916
 917 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 918
 919         * libitm.texi: Link to specification and add a usage example.
 920
 921 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 922
 923         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 924         default dispatch for more than 1 thread to ml_wt.
 925
 926 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 927
 928         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 929
 930 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 931
 932         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 933
 934 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 935
 936         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 937         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 938         (gl_wt_dispatch.rollback): Same.
 939
 940 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 941
 942         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 943
 944 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 945
 946         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 947         for RfW src.  Optimize number of calls to gtm_thr.
 948
 949 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 950
 951         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 952         acquisition to ...
 953         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 954         (default_dispatch): Make atomic.
 955         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 956         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 957         use decide_begin_dispatch() if default_dispatch might have changed.
 958         (GTM::gtm_thread::number_of_threads_changed): Initialize
 959         default_dispatch here.
 960
 961 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 962             Patrick Marlier  <patrick.marlier@gmail.com>
 963
 964         PR libitm/52220
 965         * alloc_cpp.cc: No dummy definitions for darwin.
 966         * eh_cpp.cc: Likewise.
 967
 968 2012-02-14  Richard Henderson  <rth@redhat.com>
 969
 970         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 971
 972 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 973
 974         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 975
 976 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 977
 978         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 979         (GTM::gtm_thread): Add read and write logs.
 980         (GTM::dispatch_ml_wt): Declare.
 981         * retry.cc (parse_default_method): Support ml_wt.
 982         * method-ml.cc: New file.
 983         * Makefile.am: Add method-ml.cc.
 984         * Makefile.in: Regenerate.
 985
 986 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 987
 988         * dispatch.h (GTM::abi_dispatch::supports): New.
 989         (GTM::method_group::reinit): New.
 990         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 991         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 992         supports the current situation.
 993
 994 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 995
 996         * util.cc (GTM::xcalloc): New.
 997         * common.h (GTM::xcalloc): Declare.
 998
 999 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1000
1001         * config/sparc/target.h (cpu_relax): Read from CC register.
1002         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1003
1004 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1005
1006         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1007
1008 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1009
1010         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1011         * config/sparc/cacheline.h: New file.
1012         * config/sparc/target.h: Likewise.
1013         * config/sparc/sjlj.S: Likewise.
1014         * config/linux/sparc/futex_bits.h: Likewise.
1015
1016 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1017
1018         * configure.ac (link_itm): Fix comment.
1019         * configure: Regenerate.
1020         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1021
1022 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1023
1024         PR libitm/51822
1025         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1026         Correct libgomp references.
1027
1028 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1029
1030         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1031         wake-up.
1032
1033 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1034
1035         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1036         end of structure.
1037         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1038         offset values.  Do not copy return address.  Decrement stack
1039         by 56 bytes only.
1040         (GTM_longjump) [__x86_64__]: Update offset values.
1041
1042 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1043
1044         PR libitm/51830
1045         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1046         the first function argument to %eax.
1047
1048 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1049
1050         * libitm.h (_ITM_getThreadnum): Remove.
1051         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1052
1053 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1054
1055         * clearcap.map: New file.
1056         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1057         * configure.ac: Call it.
1058         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1059         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1060         * configure: Regenerate.
1061         * Makefile.in: Regenerate.
1062         * testsuite/Makefile.in: Regenerate.
1063
1064 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1065
1066         PR libitm/51173
1067         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1068         include, exclude options.
1069
1070 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1071
1072         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1073         rolling back.
1074         * containers.h (GTM::vector::set_size): New.
1075
1076 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1077
1078         PR libitm/51855
1079         * config/generic/tls.h (GTM::mask_stack_top): New.
1080         (GTM::mask_stack_bottom): Declare.
1081         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1082         * local.cc (gtm_undolog::rollback): Filter out any updates that
1083         overlap the libitm stack.  Add current transaction as parameter.
1084         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1085         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1086         * testsuite/libitm.c/stackundo.c: New test.
1087
1088 2012-01-10  Richard Henderson  <rth@redhat.com>
1089
1090         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1091         * eh_cpp.cc (_Unwind_DeleteException): Define for
1092         !HAVE_ELF_STYLE_WEAKREF.
1093
1094 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1095
1096         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1097         (GTM::gtm_thread::drop_references_undolog): Remove.
1098         (GTM::gtm_thread::commit_undolog,
1099         GTM::gtm_thread::rollback_undolog): Move to ...
1100         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1101         (GTM::gtm_undolog_entry): Remove.
1102         (GTM::gtm_thread): Adapt.
1103         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1104         (GTM::gtm_thread::trycommit): Adapt.
1105         * method-serial.cc (serial_dispatch::log): Adapt.
1106         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1107         (gl_wt_dispatch::store): Fix likely/unlikely.
1108         * containers.h (GTM::vector::resize): Add additional_capacity
1109         parameter and handle it.
1110         (GTM::vector::resize_noinline): New/adapt.
1111         (GTM::vector::push): New.
1112
1113 2012-01-06  Richard Henderson  <rth@redhat.com>
1114
1115         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1116         * config/linux/powerpc/futex_bits.h: New file.
1117         * config/powerpc/cacheline.h: New file.
1118         * config/powerpc/sjlj.S: New file.
1119         * config/powerpc/target.h: New file.
1120         * config/generic/asmcfi.h (cfi_offset): New.
1121         (cfi_restore, cfi_undefined): New.
1122
1123 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1124
1125         PR other/51171
1126         * testsuite/libitm.c/reentrant.c: Remove xfail.
1127         (thread): Pass x to pure().
1128         From Patrik Marlier <patrick.marlier@gmail.com>.
1129
1130 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1131
1132         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1133         privatization safety if already in serial mode.
1134
1135 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1136
1137         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1138         finish_serial_upgrade parameter.
1139         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1140         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1141         Don't unset reader flag.
1142         (GTM::gtm_rwlock::write_upgrade_finish): New.
1143         * config/posix/rwlock.cc: Same.
1144         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1145         Declare.
1146         * config/posix/rwlock.h: Same.
1147         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1148         flag after commit or after rollback when restarting.
1149
1150 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1151
1152         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1153         (GTM::gtm_thread::try_commit): Changed memory order.
1154         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1155         as parameter.
1156         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1157         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1158         * config/linux/futex_bits.h (sys_futex0): Same.
1159         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1160         * config/linux/futex.h (futex_wait, futex_wake): Same.
1161         * config/linux/rwlock.h (gtm_rwlock::writers,
1162         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1163         ints.
1164         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1165         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1166         gtm_rwlock::write_unlock): Fix memory orders and fences.
1167         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1168         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1169         gtm_rwlock::write_unlock): Same.
1170         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1171         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1172         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1173         Add comments.
1174         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1175         gl_wt_dispatch::load, gl_wt_dispatch::store,
1176         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1177         orders and fences.  Add comments.
1178
1179 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1180
1181         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1182         * Makefile.in: Regenerated.
1183
1184 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1185
1186         * configure.tgt: Add sh* case.
1187         * config/sh/target.h: New file.
1188         * config/sh/sjlj.S: New file.
1189         * config/linux/sh/futex_bits.h: New file.
1190
1191 2011-12-14  Richard Henderson  <rth@redhat.com>
1192
1193         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1194         * config/arm/sjlj.S, config/arm/target.h: New files.
1195         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1196         (cfi_rel_offset): New.
1197         * config/linux/futex_bits.h: New file.
1198         * config/linux/futex.cc: Include futex_bits.h here...
1199         * config/linux/futex.h: ... not here.
1200         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1201         * configure.ac (ARCH_AM): New conditional.
1202         * Makefile.in, configure: Rebuild.
1203         * configure.tgt: Handle ARM.
1204
1205 2011-12-13  Richard Henderson  <rth@redhat.com>
1206
1207         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1208         signed/unsigned comparison werror.
1209
1210         * local_atomic: New file.
1211         * libitm_i.h: Include it.
1212         (gtm_thread::shared_state): Use atomic template.
1213         * beginend.cc (GTM::gtm_clock): Use atomic template.
1214         (global_tid): Use atomic template if 64-bit atomics available.
1215         (gtm_thread::gtm_thread): Update shared_state access.
1216         (gtm_thread::trycommit): Likewise.
1217         (choose_code_path): Update global_tid access.
1218         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1219         * stmlock.h (GTM::gtm_clock): Use atomic template.
1220         (gtm_get_clock, gtm_inc_clock): Update accesses.
1221         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1222         redundant __sync_synchronize after atomic shared_state access.
1223         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1224         (gtm_rwlock::write_lock_generic): Likewise.
1225         (gtm_rwlock::read_unlock): Likewise.
1226         * config/alpha/target.h (atomic_read_barrier): Remove.
1227         (atomic_write_barrier): Remove.
1228         * config/x86/target.h (atomic_read_barrier): Remove.
1229         (atomic_write_barrier): Remove.
1230
1231 2011-11-30  Richard Henderson  <rth@redhat.com>
1232
1233         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1234         * beginend.c (_ITM_abortTransaction): Update to match.
1235         (GTM::gtm_thread::restart): Likewise.
1236         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1237         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1238
1239 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1240
1241         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1242         * Makefile.in: Regenerate.
1243
1244 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1245
1246         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1247         * alloc_cpp.cc: Generate dummy functions if we don't
1248         HAVE_ELF_STYLE_WEAKREF.
1249         * eh_cpp.cc: Likewise.
1250         * configure: Regenerate.
1251         * aclocal.m4:  Likewise.
1252         * config.h.in: Likewise.
1253         * Makefile.in: Likewise.
1254         * testsuite/Makefile.in: Likewise.
1255
1256 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1257
1258         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1259         __USER_LABEL_PREFIX__ for targets that use it.
1260         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1261         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1262         in portability to non-elf targets.
1263         (GTM_longjmp): Likewise.
1264         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1265         where required.
1266
1267 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1268
1269         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1270         * testsuite/libitm.c/memset-1.c: Likewise.
1271
1272 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1273
1274         * configure: Regenerate.
1275
1276 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1277
1278         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1279         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1280         * Makefile.am: Handle sun style versioning.
1281         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1282         * configure: Regenerate.
1283         * Makefile.in: Regenerate.
1284
1285 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1286
1287         * config/generic/asmcfi.h: Fix comment.
1288         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1289         sequence without .hidden support, error for non-ELF targets.
1290         (GTM_longjmp) [__ELF__]: Only use .hidden if
1291         HAVE_ATTRIBUTE_VISIBILITY.
1292
1293 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1294
1295         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1296         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1297         Dummy functions.
1298         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1299         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1300
1301 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1302
1303         PR bootstrap/51098
1304         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1305         * configure: Regenerate.
1306
1307 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1308
1309         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1310
1311 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1312
1313         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1314         .hidden.
1315         (.note.GNU-stack): Only use if __linux__.
1316         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1317         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1318         * testsuite/libitm.c/reentrant.c: Likewise.
1319         * testsuite/libitm.c/simple-2.c: Likewise.
1320         * testsuite/libitm.c/txrelease.c: Likewise.
1321         * testsuite/libitm.c++/static_ctor.C: Likewise.
1322
1323 2011-11-10  Richard Henderson  <rth@redhat.com>
1324
1325         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1326         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1327         * configure.ac (ARCH_X86_AVX): New conditional.
1328         * Makefile.in, configure: Rebuild.
1329
1330 2011-11-09  Richard Henderson  <rth@redhat.com>
1331
1332         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1333         * configure.ac: Use it.
1334         * config.h.in, configure: Rebuild.
1335         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1336
1337 2011-11-09  Richard Henderson  <rth@redhat.com>
1338
1339         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1340         * config/alpha/unaligned.h: Remove file.
1341         * config/generic/unaligned.h: Remove file.
1342         * config/x86/unaligned.h: Remove file.
1343         * config/generic/cachepage.h: Remove file.
1344         * config/posix/cachepage.cc: Remove file.
1345         * config/generic/cacheline.cc: Remove file.
1346         * config/x86/cacheline.cc: Remove file.
1347         * config/generic/cacheline.h (gtm_cacheline): Remove the
1348         store_mask, copy_mask, copy_mask_wb methods.
1349         * config/x86/cacheline.h: Likewise.
1350         * config/alpha/cacheline.h: Fall back to generic after setting size.
1351         * config/generic/tls.cc (gtm_mask_stack): Remove.
1352         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1353         (GTM_vpalignr_table): Remove.
1354         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1355         (GTM_pshift_table): Remove.
1356         * config/libitm_i.h: Don't include cachepage.h.
1357         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1358         * Makefile.in, testsuite/Makefile.in: Rebuild.
1359
1360 2011-11-09  Richard Henderson  <rth@redhat.com>
1361
1362         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1363         to emit branch prediction hint.
1364
1365         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1366         Protect .note.GNU-stack with __linux__.
1367
1368         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1369         * configure, aclocal.m4, config.h.in: Rebuild.
1370         * config/generic/asmcfi.h: New file.
1371         * config/x86/sjlj.S: Use it.
1372
1373 2011-11-08  Richard Henderson  <rth@redhat.com>
1374
1375         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1376
1377 2011-11-08  Richard Henderson  <rth@redhat.com>
1378
1379         * configure.tgt: Test correct directory for supported cpus.
1380
1381         * configure.ac: Exit if unsupported.
1382         * configure: Rebuild.
1383         * configure.tgt: Delete boilerplate from libgomp for unsupported
1384         targets.  Set UNSUPPORTED for unsupported targets.
1385
1386 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1387
1388         * configure.tgt: Handle i386 like i[456]86.
1389         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1390         take address.
1391         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1392         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1393
1394 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1395
1396         * method-wbetl.cc: Update copyright notice.
1397         * aatree.cc: Same.
1398         * util.cc: Same.
1399         * libitm.h: Same.
1400         * memset.cc: Same.
1401         * eh_cpp.cc: Same.
1402         * barrier.tpl: Same.
1403         * useraction.cc: Same.
1404         * stmlock.h: Same.
1405         * memcpy.cc: Same.
1406         * common.h: Same.
1407         * config/generic/tls.cc: Same.
1408         * config/generic/cacheline.h: Same.
1409         * config/generic/cachepage.h: Same.
1410         * config/generic/cacheline.cc: Same.
1411         * config/generic/unaligned.h: Same.
1412         * config/x86/cacheline.h: Same.
1413         * config/x86/cacheline.cc: Same.
1414         * config/x86/unaligned.h: Same.
1415         * config/alpha/cacheline.h: Same.
1416         * config/alpha/unaligned.h: Same.
1417         * config/alpha/sjlj.S: Same.
1418         * config/posix/cachepage.cc: Same.
1419         * config/linux/futex.h: Same.
1420         * config/linux/alpha/futex_bits.h: Same.
1421
1422 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1423
1424         * libitm.texi: No cover text and invariant sections.
1425
1426 2011-11-03  Richard Henderson  <rth@redhat.com>
1427
1428         * local_type_traits: New file.
1429         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1430
1431 2011-11-03  Richard Henderson  <rth@redhat.com>
1432
1433         * configure.ac: Don't test for gfortran.
1434         * configure: Rebuild.
1435
1436         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1437         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1438
1439 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1440
1441         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1442         * testsuite/libitm.c/memset-1.c: Same.
1443         * testsuite/libitm.c/c.exp: Same.
1444         * testsuite/lib/libitm-dg.exp: Same.
1445         * testsuite/lib/libitm.exp: Same.
1446         * testsuite/libitm.c++/c++.exp: Same.
1447
1448 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1449
1450         * testsuite/config/default.exp: Update copyright date.
1451         * configure.ac: Add copyright info.
1452         * configure.tgt: Same.
1453
1454 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1455
1456         * testsuite/libitm.c/reentrant.c: XFAIL.
1457         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1458
1459 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1460
1461         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1462         handle aborts.
1463         (_ITM_abortTransaction): Handle aborts of outer transactions.
1464         * libitm_i.h: Same.
1465         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1466         * libitm.texi: Document aborts of outer transactions.
1467         * testsuite/libitm.c/cancel.c: New file.
1468
1469 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1470
1471         * testsuite/*: Change __transaction to __transaction_atomic or
1472         __transaction_relaxed.
1473
1474 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1475
1476         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1477         (gtm_thr): Same.
1478
1479 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1480
1481         * libitm_i.h: Add gl_wt dispatch.
1482         * retry.cc (parse_default_method): Same.
1483         * method-gl.cc: New file.
1484         * Makefile.am: Use method-gl.cc.
1485         * Makefile.in: Rebuild.
1486
1487 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1488
1489         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1490         safety if requested by a TM method.
1491         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1492         privatization safety.
1493         * method-serial.cc: Same.
1494
1495 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1496
1497         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1498         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1499         undolog-related member functions from *_local to *_undolog.
1500         * local.cc (gtm_thread::commit_undolog): Same.
1501         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1502         (GTM::gtm_thread::rollback): Roll back undolog before
1503         dispatch-specific rollback.
1504
1505 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1506
1507         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1508         re-initialization of the current method group.
1509         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1510
1511 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1512
1513         * alloc.cc (commit_allocations_2): Do not free transaction-local
1514         memory when committing a nested transaction.
1515
1516 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1517
1518         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1519         serial-irrevocable dispatch, not serial.
1520
1521 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1522
1523         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1524         declarations.
1525         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1526         * method-serial.cc: Implement begin_or_restart().
1527         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1528         dispatch-specific begin_or_restart().
1529         (GTM::gtm_thread::restart): Same.
1530
1531 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1532
1533         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1534         restarting without switching to serial mode.
1535         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1536         transaction state. Choose closed-nesting alternative if available.
1537         (GTM::gtm_thread::set_default_dispatch): New.
1538         (parse_default_method): New.
1539         (GTM::gtm_thread::number_of_threads_changed): New.
1540         * method-serial.cc (GTM::serial_mg): New method group class.
1541         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1542         fini.
1543         (GTM::serial_dispatch): Same.
1544         (GTM::serialirr_onwrite_dispatch): Same.
1545         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1546         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1547         registered threads.
1548         (GTM::gtm_thread::gtm_thread): Same.
1549         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1550         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1551         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1552         choose dispatch but set state according to dispatch here.
1553         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1554         (GTM::method_group): New class.
1555         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1556         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1557         * libitm.texi: Document TM methods, method groups, method life cycle.
1558         Rename method sets to method groups.
1559
1560 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1561
1562         * config/x86/tls.h: Moved to ...
1563         * config/linux/x86/tls.h: ... here.
1564
1565 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1566
1567         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1568         Add X32 support.
1569         * config/x86/sjlj.S: Same.
1570
1571 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1572
1573         * config/linux/rwlock.h: New file.
1574         * config/linux/rwlock.c: New file.
1575         * configure.ac: Reenable futex support (undo SVN rev 157758).
1576         * Makefile.am: Same.
1577         * configure.tgt: Same.
1578         * config/linux/alpha/futex_bits.h: Same.
1579         * config/linux/futex.h: Same. Return number of woken processes.
1580         * config/linux/futex.cc: Same.
1581         (futex_wait): Remove spinning.
1582         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1583         Use __x86_64__ instead of __LP64__.
1584         * aclocal.m4: Include generic futex checks.
1585         * configure: Rebuild.
1586         * Makefile.in: Rebuild.
1587         * testsuite/Makefile.in: Rebuild.
1588         * beginend.cc: Include pthread.h.
1589         * config/posix/cachepage.cc: Same.
1590
1591 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1592
1593         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1594         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1595         (set_gtm_thr): New.
1596         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1597         (set_gtm_thr): New.
1598         (GTM::gtm_thread::thread_num): Removed.
1599         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1600         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1601         tx-to-thread renaming.
1602         * beginend.cc: Adapted to tx-to-thread renaming.
1603         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1604         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1605         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1606         gtm_transaction to gtm_thread.
1607         (_ITM_getThreadnum): Removed. Not supported anymore.
1608         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1609         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1610         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1611         gtm_tx-to-gtm_thr renaming if necessary.
1612         * eh_cpp.cc: Same.
1613         * local.cc: Same.
1614         * retry.cc: Same.
1615         * clone.cc: Same.
1616         * alloc.cc: Same.
1617         * alloc_c.cc: Same.
1618         * alloc_cpp.cc: Same.
1619         * method-serial.cc: Same.
1620         * config/generic/tls.cc: Same.
1621         * config/posix/rwlock.h (gtm_rwlock): Same.
1622         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1623
1624 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1625
1626         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1627         implementation.
1628         (gtm_rwlock::read_unlock): Same.
1629         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1630         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1631         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1632         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1633         w_upgrade. Replaced by per-transaction flags (in shared_state).
1634         Added c_confirmed_writers.
1635         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1636         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1637         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1638         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1639         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1640         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1641         * libitm.texi: Document locking conventions and implementations in
1642         libitm.
1643
1644 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1645
1646         * libitm_i.h (next_tx): Add list of all threads' transaction.
1647         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1648         transaction with list of transactions and ...
1649         (thread_exit_handler): ... deregister here.
1650         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1651         * config/x86/target.h: Same.
1652
1653 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1654
1655         * testsuite/libitm.c++/static_ctor.C: New file.
1656
1657 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1658
1659         * testsuite/libitm.c/reentrant.c: New file.
1660
1661 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1662
1663         * config/generic/tls.h: Remove the free list for transactions and ...
1664         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1665         (GTM::gtm_transaction::operator delete): ... and release here.
1666         (thread_exit_handler): New. Delete tx when thread terminates.
1667         (thread_exit_init): New.
1668         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1669         * testsuite/libitm.c/txrelease.c: New file.
1670
1671 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1672
1673         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1674         * testsuite/libitm.c/notx.c: New file.
1675
1676 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1677
1678         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1679         * libitm_i.h (local_tid): ... to here.
1680         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1681         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1682
1683 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1684
1685         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1686         serialirr_onwrite_dispatch as new default for now.
1687         * method-serial.cc (serialirr_onwrite_dispatch): New.
1688         (GTM::dispatch_serialirr_onwrite): New.
1689         * libitm_i.h: Same.
1690
1691 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1692
1693         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1694         * query.cc (_ITM_getTransactionId): There is no active transaction if
1695         the current nesting level is zero.
1696
1697 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1698
1699         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1700         rollback.
1701
1702 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1703
1704         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1705         transaction properties from the caller instead of from the
1706         transaction object.
1707         * libitm_i.h: Same.
1708         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1709
1710 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1711
1712         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1713         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1714         * dispatch.h: Same.
1715         * method-serial.cc: Same.
1716         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1717         flat nesting as default, and closed nesting on demand.
1718         (GTM::gtm_transaction::rollback): Same.
1719         (_ITM_abortTransaction): Same.
1720         (GTM::gtm_transaction::restart): Same.
1721         (GTM::gtm_transaction::trycommit): Same.
1722         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1723         (choose_code_path): New.
1724         (GTM::gtm_transaction_cp::save): New.
1725         (GTM::gtm_transaction_cp::commit): New.
1726         * query.cc (_ITM_inTransaction): Support flat nesting.
1727         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1728         (GTM::gtm_transaction): Support flat and closed nesting.
1729         * alloc.cc (commit_allocations_2): New.
1730         (commit_cb_data): New helper struct.
1731         (GTM::gtm_transaction::commit_allocations): Handle nested
1732         commits/rollbacks.
1733         * libitm.texi: Update user action section, add description of nesting.
1734
1735 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1736
1737         * libitm_i.h: Add closed nesting as restart reason.
1738         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1739
1740 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1741
1742         * useraction.cc: Use vector instead of list to store actions.
1743         Also support partial rollbacks for closed nesting.
1744         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1745         * beginend.cc: Same.
1746
1747 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1748
1749         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1750         closed_nesting flags, as well as a closed nesting alternative.
1751         * method-serial.cc: Same.
1752         (serial_dispatch): Renamed to serialirr_dispatch.
1753         (GTM::dispatch_serialirr): Same.
1754         (serial_dispatch_ul): Renamed to serial_dispatch.
1755         (GTM::dispatch_serial): Same.
1756
1757 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1758
1759         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1760
1761 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1762
1763         * aatree.h (aa_tree::remove): New.
1764         (aa_tree::operator new): Add placement new.
1765
1766 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1767
1768         * containers.h: New file.
1769         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1770         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1771         * common.h: ... to here.
1772         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1773         * local.cc: Same.
1774
1775 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1776
1777         * libitm_i.h (STATE_ABORTING): Remove.
1778         * beginend.cc (_ITM_abortTransaction): Same.
1779         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1780         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1781         (_ITM_rollbackTransaction): Remove.
1782         * beginend.cc: Same.
1783         * libitm.map: Same.
1784         * libitm.texi: Document these ABI changes.
1785
1786 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1787
1788         * libitm.texi: New file.
1789         * Makefile.am: Add libitm.texi.
1790         * Makefile.in: Rebuild.
1791
1792 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1793
1794         * libitm_i.h: Move parts to common.h and dispatch.h.
1795         * common.h: New file.
1796         * dispatch.h: New file, new dispatch class.
1797         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1798         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1799         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1800         decision to retry.cc.
1801         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1802         only.
1803         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1804         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1805         logging.
1806         * barrier.cc: Use new barriers definitions.
1807         (abi_dispatch::memmove_overlap_check): New.
1808         * config/x86/x86_sse.cc: Same.
1809         * config/x86/x86_avx.cc: Same.
1810         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1811         memcpy.cc.
1812         * Makefile.in: Rebuild.
1813         * method-readonly.cc: Remove.
1814         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1815         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1816
1817 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1818
1819         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1820         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1821         * testsuite/libitm.c/dropref-2.c: Same.
1822         * testsuite/libitm.c/dropref.c: Same.
1823
1824 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1825
1826         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1827         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1828         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1829         * alloc_c.cc: Same.
1830         * barrier.tpl: Same.
1831         * beginend.c: Same.
1832         * config/generic/tls.h: Same.
1833         * config/x86/tls.h: Same.
1834         * libitm_i.h: Same.
1835         * memcpy.cc: Same.
1836         * memset.cc: Same.
1837         * method-readonly.cc: Same.
1838         * method-serial.cc: Same.
1839         * method-wbetl.cc: Same.
1840         * retry.cc: Same.
1841
1842 2011-03-03  Richard Henderson  <rth@redhat.com>
1843
1844         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1845         From Patrik Marlier <patrick.marlier@unine.ch>.
1846
1847 2011-02-03  Richard Henderson  <rth@redhat.com>
1848
1849         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1850         * configure.ac: Use it.
1851         * configure, config.h.in: Rebuild.
1852         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1853         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1854         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1855         * libitm.map: Use wildcards to match size_t mangling.
1856
1857 2010-12-14  Richard Henderson  <rth@redhat.com>
1858
1859         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1860         blocks of TIDs per thread.
1861         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1862         (setup_gtm_thr): Return the thread structure.
1863         * config/x86/tls.h (setup_gtm_thr): Likewise.
1864
1865 2010-12-14  Richard Henderson  <rth@redhat.com>
1866
1867         * clone.cc (table_lock): Remove.
1868         (find_clone): Don't take it.
1869         (ExcludeTransaction): New helper class.
1870         (_ITM_registerTMCloneTable): Use it.
1871         (_ITM_deregisterTMCloneTable): Likewise.
1872
1873 2010-12-14  Richard Henderson  <rth@redhat.com>
1874
1875         * config/x86/tls.h: New file.
1876
1877 2010-07-15  Richard Henderson  <rth@redhat.com>
1878
1879         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1880         * Makefile.in: Rebuild.
1881
1882 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1883
1884         * method-wbetl.cc (trydropreference): Fix source line.
1885
1886 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1887
1888         * libitm.h: Add comment.
1889         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1890
1891 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1892
1893         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1894         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1895         available, use pthread mutexes.
1896         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1897         * config.h.in: Regenerate.
1898         * configure: Regenerate.
1899
1900 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1901
1902         * libitm.h (ITM_PURE): Define.
1903         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1904
1905 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1906
1907         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1908         (validate): Add comment.
1909         (trydropreference): New.
1910         * method-readonly.cc (class readonly_dispatch): Add
1911         trydropreference.
1912         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1913         Call trydropreference().
1914         * libitm.h (_ITM_dropReferences): Remove const attribute.
1915         * method-serial.cc (class serial_dispatch): Add trydropreference.
1916         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1917
1918 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1919
1920         * memcpy.cc (do_memcpy): Comment.
1921
1922 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1923
1924         * barrier.tpl: Add comments throughout.
1925
1926 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1927
1928         * method-wbetl.cc (struct w_entry): Add comments.
1929         (trycommit): Same.
1930         (rollback): Same.
1931
1932 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1933
1934         * alloc_c.cc (_ITM_dropReferences): New.
1935         * libitm.map (_ITM_dropReferences): Add.
1936         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1937         * libitm_i.h (struct gtm_transaction): Declare
1938         drop_references_allocations and drop_references_local.
1939         * local.cc (rollback_local): Ignore memory when applicable.
1940         (drop_references_local): New.
1941
1942 2010-06-23  Richard Henderson  <rth@redhat.com>
1943
1944         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1945         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1946         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1947         * config/alpha/target.h: Likewise.
1948         * config/generic/tls.cc (gtm_mask_stack): Use it.
1949
1950 2010-06-23  Richard Henderson  <rth@redhat.com>
1951
1952         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1953         a mutex instead of trying a lock-free compare-and-swap on the list.
1954         (gtm_cacheline_page::operator delete): Likewise.
1955
1956 2010-06-16  Richard Henderson  <rth@redhat.com>
1957
1958         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1959         that overlap the libitm stack.
1960         * barrier.tpl: Mark incoming stack.
1961         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1962         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1963         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1964         * memcpy.cc, memset.cc: Likewise.
1965         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1966         * config/generic/tls.h (gtm_thread): Add stack_top member.
1967         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1968         * libitm_i.h (gtm_mask_stack): Declare.
1969         * config/generic/tls.cc: New file.
1970         * Makefile.am (libitm_la_SOURCES): Add it.
1971         (AM_CXXFLAGS): Turn off exceptions.
1972         * Makefile.in: Rebuild.
1973
1974 2010-06-16  Richard Henderson  <rth@redhat.com>
1975
1976         * alloc.cc (struct gtm_alloc_action): Move definition ...
1977         * libitm_i.h: ... here.
1978         (class gtm_transaction): Declare new and delete.
1979         * beginend.cc (alloc_tx): Reformulate as operator new.
1980         (free_tx): Reformulate as operator delete.
1981         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1982
1983 2010-06-11  Richard Henderson  <rth@redhat.com>
1984
1985         * clone.cc (clone_entry_compare): Fix typo.
1986         From Patrik Marlier <patrick.marlier@unine.ch>.
1987
1988 2010-05-13  Richard Henderson  <rth@redhat.com>
1989
1990         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1991         in extern "C".
1992
1993 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1994
1995         * libitm_i.h (struct gtm_transaction): Remove
1996         get_allocation_size.
1997         (record_allocation): Remove size parameter.
1998         * libitm.map (_ITM_realloc): Remove.
1999         * alloc_c.cc (_ITM_realloc): Remove.
2000         (_ITM_malloc): Remove size argument to record_allocation.
2001         (_ITM_calloc): Same.
2002         * alloc_cpp.cc (_ZGTtnwm): Same.
2003         (_ZGTtnwmRKSt9nothrow_t): Same.
2004         (_ZGTtnam): Same.
2005         (_ZGTtnamRKSt9nothrow_t): Same.
2006         * alloc.cc (struct gtm_alloc_action): Remove size.
2007         (get_allocation_size): Remove.
2008         (commit_allocations): Add comment.
2009         (record_allocation): Remove size parameter.
2010         (forget_allocation): Remove set of size.
2011
2012 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2013
2014         * Makefile.am (abi_version): New.
2015         (AM_CXXFLAGS): Pass abi_version.
2016         * Makefile.in: Regenerate.
2017         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2018
2019 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2020
2021         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2022         _ITM_getTMCloneOrIrrevokable.
2023         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2024         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2025
2026 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2027
2028         * configure.ac: Remove Linux futex support.
2029         * configure.tgt (config_path): Same.
2030         * Makefile.am: Same.
2031         * config/linux: Remove entire directory.
2032         * configure: Rebuild.
2033         * Makefile.in: Rebuild.
2034         * testsuite/Makefile.in: Rebuild.
2035
2036 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2037
2038         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2039         switching to serial mode.
2040         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2041
2042 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2043
2044         * configure.tgt: Add emacs -*- tags.
2045         * barrier.tpl: Same.
2046
2047 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2048
2049         * Makefile.am: Rename serial.cc to method-serial.cc.
2050         * Makefile.in: Regenerate with automake 1.11.1.
2051         * testsuite/Makefile.in: Same.
2052         * aclocal.m4: Regenerate with aclocal 1.11.1.
2053         * method-serial.cc: Rename from serial.cc.
2054         * libitm_i.h (struct gtm_transaction): Update comment on
2055         serialirr_mode.
2056
2057 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2058
2059         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2060         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2061
2062 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2063
2064         * configure: Rebuild.
2065
2066 2009-11-12  Richard Henderson  <rth@redhat.com>
2067
2068         * Rewrite everything in C++.
2069
2070 2009-11-03  Richard Henderson  <rth@redhat.com>
2071
2072         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2073         * Makefile.am (libitm_la_SOURCES): Add them.
2074         * configure.ac (ARCH_X86): New conditional.
2075         * Makefile.in, configure: Rebuild.
2076         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2077         Move futex setup into "other system configury" case.
2078         * local.c (rollback_local): Merge into ...
2079         (GTM_rollback_local): ... here.
2080         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2081         (_ITM_LB): Define as an alias to GTM_LB.
2082
2083 2009-11-03  Richard Henderson  <rth@redhat.com>
2084
2085         * method-readonly.c: New file.
2086         * Makefile.am (libitm_la_SOURCES): Add it.
2087         * Makefile.in: Rebuild.
2088         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2089         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2090         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2091         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2092         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2093         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2094         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2095         gtm_get_clock, gtm_inc_clock): New.
2096         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2097         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2098         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2099         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2100         replace uses with new libitm_i.h symbols.
2101         (dispatch_wbetl): Rename from wbetl_dispatch.
2102         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2103         away from dispatch_readonly; abort if the beginTransaction call
2104         asserted that the transaction was readonly.
2105
2106 2009-11-03  Richard Henderson  <rth@redhat.com>
2107
2108         * memset.c: New file.
2109         * Makefile.am (libitm_la_SOURCES): Add it.
2110         * Makefile.in: Rebuild.
2111         * testsuite/libitm.c/memset-1.c: New.
2112
2113 2009-11-03  Richard Henderson  <rth@redhat.com>
2114
2115         * dispatch.c: Remove file.
2116         * useraction.c (struct gtm_user_action): Move from libitm.h.
2117         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2118         (serial_memset, serial_memmove, serial_memcpy): Remove.
2119         (serial_W*, serial_R*): Remove.
2120         (serial_dispatch): Update to match.
2121         * configure.ac: Move Werror down below configure checks.  Don't
2122         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2123         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2124         Use GCC_AC_FUNC_MMAP_BLACKLIST
2125         * libitm.h: Split out all internal items to...
2126         * libitm_i.h: ... here.  New file.
2127         * copymask.c: New file.
2128         * local.c (struct gtm_local_undo): Move from libitm.h.
2129         (GTM_alloc_local): Rename from alloc_local; export.
2130         * memcpy.c: New file.
2131         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2132         * config/posix/page.c: New file.
2133         * config/posix/target_tls.h: Remove file.
2134         * barrier.c: New file.
2135         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2136         copymask.c, page.c.
2137         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2138         * method-wbetl.c: Rewrite for new cacheline methods.
2139         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2140
2141         * config/alpha/sjlj.S: Fix typo.
2142         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2143         * config/alpha/copymask.c: New file.
2144         * config/alpha/target.h (CACHELINE_SIZE): New.
2145         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2146
2147         * config/x86/target_i.h: Copy functions from x86/target.h.
2148         * config/x86/copymask.c: New file.
2149         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2150         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2151         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2152         * config/x86/target_tls.h: Move contents to target_i.h.
2153
2154         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2155         * testsuite/libitm.c/memcpy-1.c: New.
2156
2157 2009-10-22  Richard Henderson  <rth@redhat.com>
2158
2159         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2160         (AM_CCASFLAGS): New.
2161         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2162         saving/restoring _AC_ARG_VAR_PRECIOUS.
2163         * Makefile.in, aclocal.m4, config.h.in, configure,
2164         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2165
2166 2009-10-22  Richard Henderson  <rth@redhat.com>
2167
2168         * testsuite/*: Update for new compiler syntax.
2169
2170 2009-10-21  Richard Henderson  <rth@redhat.com>
2171
2172         * libitm.h (_ITM_abortReason): Add outerAbort.
2173
2174 2009-08-03  Richard Henderson  <rth@redhat.com>
2175
2176         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2177         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2178         * method-wbetl.c (struct w_entry): Remove mask.
2179         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2180         adjust all callers.
2181
2182 2009-07-22  Richard Henderson  <rth@redhat.com>
2183
2184         * eh_cpp.c: New file.
2185         * Makefile.am (libitm_la_SOURCES): Add it.
2186         * Makefile.in: Rebuild.
2187         * beginend.c (GTM_rollback_transaction): Undo exception state.
2188         (GTM_trycommit_transaction): Mark inline.
2189         (GTM_trycommit_and_finalize_transaction): Split out from ...
2190         (_ITM_commitTransaction): ... here.
2191         (_ITM_commitTransactionEH): New function.
2192         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2193         cxa_unthrown, eh_in_flight; reorder.
2194
2195         * testsuite/libitm.c++/c++.exp: New.
2196         * testsuite/libitm.c++/eh-1.C: New.
2197
2198         * aatree.c (aa_free): Remove REGPARM.
2199         * aatree.h: Remove all REGPARM.
2200
2201 2009-07-18  Richard Henderson  <rth@redhat.com>
2202
2203         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2204         * Makefile.am (libitm_la_SOURCES): Add them.
2205         * Makefile.in: Rebuild.
2206         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2207         (GTM_trycommit_transaction): Likewise.
2208         * libitm.h: Include aatree.h
2209         (struct gtm_alloc_action): New.
2210         (struct gtm_transaction): Add alloc_actions.
2211         (GTM_record_allocation, GTM_forget_allocation): Declare.
2212         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2213         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2214         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2215         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2216         _ZGTtdaPvRKSt9nothrow_t): Export.
2217
2218 2009-07-18  Richard Henderson  <rth@redhat.com>
2219
2220         * target_tls.h: Move ...
2221         * config/posix/target_tls.h: ... here.
2222
2223 2009-07-07  Richard Henderson  <rth@redhat.com>
2224
2225         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2226
2227 2009-07-07  Richard Henderson  <rth@redhat.com>
2228
2229         * Update to GPL3.
2230
2231 2009-07-07  Richard Henderson  <rth@redhat.com>
2232
2233         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2234         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2235
2236         * configure.tgt: Don't use -ftls-model for x86 linux.
2237         * libitm.h: Include target.h after standard includes.
2238         (_gtm_thr): Rename from gtm_thr.
2239         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2240         (gtm_disp, set_gtm_disp): New.
2241         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2242         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2243         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2244
2245 2009-07-07  Richard Henderson  <rth@redhat.com>
2246
2247         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2248
2249 2009-07-06  Richard Henderson  <rth@redhat.com>
2250
2251         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2252         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2253         (_ITM_beginTransaction): Take variadic arguments.
2254         (_ITM_registerThrownObject): Declare.
2255         * beginend.c, serial.c: Update.
2256         * libitm.map: Add _ITM_registerThrownObject.
2257
2258 2009-01-28  Richard Henderson  <rth@redhat.com>
2259
2260         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2261         * Makefile.in: Rebuild.
2262         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2263         (GTM_restart_transaction): Fix uninstrumented code check.
2264         * retry.c (GTM_decide_retry_strategy): Add serial check.
2265         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2266         automatically go irrevokable when in serial mode.
2267         * clone.c: New file.
2268         * libitm.h, libitm.map: Update.
2269
2270 2009-01-27  Richard Henderson  <rth@redhat.com>
2271
2272         * Makefile.am (LTCCASCOMPILE): Define.
2273         (libitm_la_SOURCES): Add methid-wbetl.c.
2274         * testsuite/Makefile.am: New
2275         * configure.ac: Add testsuite/Makefile.
2276         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2277         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2278         (_ITM_abortTransaction): Finalize implementation method; pass
2279         transaction properties to longjmp.
2280         (GTM_restart_transaction): Split out from ...
2281         (_ITM_commitTransaction): ... here.
2282         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2283         Move to config/x86/target.h.
2284         * config/linux/alpha/futex_bits.h: New.
2285         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2286         * config/x86/target.h: Disable target types for 32-bit.
2287         * config/alpha/sjlj.S, config/alpha/target.h: New.
2288         * libitm.h (struct gtm_dispatch): Add init, fini.
2289         (enum restart_reason): New.
2290         (struct gtm_transaction): Add method and restarts.
2291         * retry.c (GTM_decide_retry_strategy): Implement.
2292         * serial.c (serial_init, serial_fini): New.
2293         (GTM_serialmode): Finialize outgoing method.
2294         * method-wbetl.c: New.
2295
2296 2008-12-09  Richard Henderson  <rth@redhat.com>
2297
2298         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2299         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2300         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2301         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2302         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2303         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2304         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2305         * serial.c (serial_R##T, serial_W##T): Likewise.
2306
2307 2008-11-21  Richard Henderson  <rth@redhat.com>
2308
2309         * Initial commit.
2310 \f
2311 Copyright (C) 2008-2022 Free Software Foundation, Inc.
2312
2313 Copying and distribution of this file, with or without modification,
2314 are permitted in any medium without royalty provided the copyright
2315 notice and this notice are preserved.