libitm/ChangeLog

   1 2022-02-03  David Seifert  <soap@gentoo.org>
   2             Jakub Jelinek  <jakub@redhat.com>
   3
   4         * configure.ac: Support --disable-werror.
   5         * configure: Regenerate.
   6
   7 2022-01-31  Martin Liska  <mliska@suse.cz>
   8
   9         * acinclude.m4: Detect *_ld_is_mold and use it.
  10         * configure: Regenerate.
  11
  12 2022-01-03  Jakub Jelinek  <jakub@redhat.com>
  13
  14         * libitm.texi: Bump @copying's copyright year.
  15
  16 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
  17
  18         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
  19         target does not support HAVE_ELF_STYLE_WEAKREF then do not
  20         try to test the __cxa_get_globals against NULL.
  21
  22 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
  23
  24         PR libstdc++/91488
  25         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
  26
  27 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
  28
  29         PR target/70454
  30         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
  31         be added through preprocessor check on
  32         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
  33
  34 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  35
  36         * configure: Re-generate.
  37
  38 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  39
  40         * libitm.texi: Bump @copying's copyright year.
  41
  42 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  43
  44         PR target/97865
  45         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  46         * configure: Regenerate.
  47
  48 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  49
  50         * configure: Regenerate.
  51
  52 2020-10-01  Alan Modra  <amodra@gmail.com>
  53
  54         * config/powerpc/sjlj.S: Support __PCREL__ code.
  55
  56 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  57
  58         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  59
  60 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  61
  62         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  63         and add BTI c to function entries.
  64
  65 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  66
  67         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  68
  69 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  70
  71         PR bootstrap/95413
  72         * configure: Regenerated.
  73
  74 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  75
  76         PR bootstrap/95147
  77         * configure: Regenerated.
  78
  79 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  80
  81         * configure: Regenerated.
  82
  83 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  84
  85         Fix throw specifiers on interface.
  86         * libitm/libitm.h (_ITM_NOTHROW): Define.
  87         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  88         (_ITM_cxa_begin_catch): Use it.
  89         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  90         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  91         __cxa_get_globals.
  92         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  93         (_ITM_cxa_begin_catch): Likewise.
  94
  95 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  96
  97         * testsuite/lib/libitm.exp (libitm_init): Add
  98         -fdiagnostics-color=never to options.
  99
 100 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
 101
 102         PR libstdc++/79193
 103         PR libstdc++/88999
 104
 105         * configure: Regenerated.
 106
 107 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
 108
 109         * configure.ac: Handle `--with-toolexeclibdir='.
 110         * Makefile.in: Regenerate.
 111         * aclocal.m4: Regenerate.
 112         * configure: Regenerate.
 113         * testsuite/Makefile.in: Regenerate.
 114
 115 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 116
 117         Update copyright years.
 118
 119         * libitm.texi: Bump @copying's copyright year.
 120
 121 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 122
 123         PR libgomp/91938
 124         * configure.tgt: Avoid IE tls on *-*-musl*.
 125
 126 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 127
 128         * configure: Regenerate.
 129
 130 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 131
 132         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 133
 134 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 135
 136         * configure.tgt: Handle *-*-uclinux*.
 137         * configure: Regenerate.
 138
 139 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 140
 141         * configure: Regenerate.
 142
 143 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 144
 145         PR other/79543
 146         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 147         scanning to conform to the GNU Coding Standards.
 148         * configure: Regenerate.
 149
 150 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 151
 152         * Makefile.am (finclude): Remove.
 153         * Makefile.in: Regenerated.
 154
 155 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 156
 157         Update copyright years.
 158
 159 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 160
 161         * libitm.texi: Bump @copying's copyright year.
 162
 163 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 164
 165         PR c++/88482
 166         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 167         void * to void (*) (void *).
 168         (_ITM_cxa_throw): Likewise.
 169         * libitm.h (_ITM_cxa_throw): Likewise.
 170         * libitm.texi (_ITM_cxa_throw): Likewise.
 171
 172 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 173
 174         * config/powerpc/target.h (htm_available):  Add support for
 175         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 176
 177 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 178
 179         PR bootstrap/82856
 180         * Makefile.am: Include multilib.am.
 181         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 182         (CLEANFILES): Remove libitm.info.
 183         * configure.ac: Remove AC_PREREQ.
 184         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 185         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 186         Regenerate.
 187
 188 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 189
 190         PR libitm/86293
 191         * method-serial.cc: Mark varible as potentially unused
 192         to silence warning.
 193
 194 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 195
 196         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 197         absolute relocation in a shared library.
 198
 199 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 200
 201         PR libitm/85988
 202         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 203         __private_tm as base.
 204         (SEG_WRITE): Likewise.
 205         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 206         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 207         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 208         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 209         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 210
 211 2018-05-17  Jason Merrill  <jason@redhat.com>
 212
 213         * beginend.cc (save): Disable -Werror=deprecated-copy.
 214
 215 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 216
 217         PR testsuite/85106
 218         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 219
 220 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 221
 222         PR testsuite/85106
 223         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 224
 225 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 226
 227         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 228         (__CET__ & 2) != 0 check for shadow stack.
 229         (GTM_longjmp): Likewise.
 230
 231 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 232
 233         * configure: Regenerated.
 234
 235 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 236
 237         PR target/85489
 238         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 239
 240 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 241
 242         * configure: Regenerated.
 243
 244 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 245
 246         PR jit/85384
 247         * configure: Regenerate.
 248
 249 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 250
 251         PR target/84148
 252         * configure: Regenerate.
 253
 254 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 255
 256         Update copyright years.
 257
 258         * libitm.texi: Bump @copying's copyright year.
 259
 260 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 261
 262         * Makefile.in: Regenerate.
 263         * acinclude.m4: Add enable.m4 and cet.m4.
 264         * config/x86/sjlj.S: Include cet.h.
 265         (_ITM_beginTransaction): Add _CET_ENDBR.
 266         Save Shadow Stack pointer.
 267         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 268         * config/x86/target.h (struct gtm_jmpbuf):
 269         Add new field for Shadow Stack pointer.
 270         * configure: Regenerate.
 271         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 272         * configure.ac: Update libtool_VERSION for x86.
 273         * testsuite/Makefile.in: Regenerate.
 274
 275 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 276
 277         * libitm/config/x86/target.h: Add new field (ssp).
 278         * libitm/config/x86/sjlj.S: Change offsets.
 279
 280 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 281
 282         * testsuite/lib/libitm.exp: Load scanlang.exp.
 283
 284 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 285
 286         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 287
 288 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 289
 290         PR other/79046
 291         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 292         of cat to get version from BASE-VER file.
 293         * testsuite/Makefile.in: Regenerated.
 294
 295 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 296
 297         * config/x86/target.h (htm_available): Determine vendor from
 298         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 299
 300 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 301
 302         * config/x86/target.h (htm_available): Add check for some processors
 303         on which TSX is broken.
 304
 305 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 306
 307         PR other/79046
 308         * configure.ac: Add GCC_BASE_VER.
 309         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 310         get version from BASE-VER file.
 311         * testsuite/Makefile.in: Regenerated.
 312         * configure: Regenerated.
 313         * Makefile.in: Regenerated.
 314
 315 2017-01-04  Alan Modra  <amodra@gmail.com>
 316
 317         * Makefile.in: Regenerate.
 318         * testsuite/Makefile.in: Regenerate.
 319
 320 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 321
 322         Update copyright years.
 323
 324         * libitm.texi: Bump @copying's copyright year.
 325
 326 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 327
 328         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 329         * aclocal.m4: Regenerate.
 330         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 331         LIBITM_CHECK_LINKER_HWCAP.
 332
 333 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 334
 335         * configure: Regenerate.
 336
 337 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 338
 339         PR libitm/70456
 340         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 341         on cache line if requested.
 342
 343 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 344
 345         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 346         function attribute to disable floating point in begin_transaction() on
 347         S/390.
 348         * beginend.cc (begin_transaction): Use
 349         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 350
 351 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 352
 353         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 354         boundary.
 355         (htm_fastpath): Remove.
 356         (gtm_thread::begin_transaction): Fix HTM fastpath.
 357         (_ITM_commitTransaction): Adapt.
 358         (_ITM_commitTransactionEH): Adapt.
 359         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 360         and accessors.
 361         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 362         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 363         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 364         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 365         * libitm/method-serial.cc (htm_mg): Adapt.
 366         (gtm_thread::serialirr_mode): Adapt.
 367         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 368
 369 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 370
 371         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 372         or AIX.
 373
 374 2016-01-19  Richard Henderson  <rth@redhat.com>
 375
 376         PR bootstrap/69343
 377         PR bootstrap/69339
 378         Revert:
 379         2016-01-13  Richard Henderson  <rth@redhat.com>
 380
 381         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 382         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 383         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 384         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 385         * configure.ac (ARCH_AARCH64): New conditional.
 386         (ARCH_PPC, ARCH_S390): Likewise.
 387         * Makefile.in, configure: Rebuild.
 388
 389         * libitm.h (_ITM_TYPE_M128): Always define.
 390         * vect64.cc: Split ...
 391         * vect128.cc: ... out of...
 392         * config/x86/x86_sse.cc: ... here.
 393         * config/arm/neon.cc: New file.
 394
 395 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 396
 397         * local_type_traits: Remove file.
 398         * libitm_i.h: Don't include it anymore.
 399         (sized_integral): Remove.
 400
 401 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 402
 403         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 404         safety.
 405         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 406         * libitm/testsuite/libitm.c/priv-1.c: New.
 407
 408 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 409
 410         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 411
 412 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 413
 414         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 415         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 416         (gtm_rwlock::write_unlock): Likewise.
 417
 418 2016-01-13  Richard Henderson  <rth@redhat.com>
 419
 420         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 421         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 422         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 423         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 424         * configure.ac (ARCH_AARCH64): New conditional.
 425         (ARCH_PPC, ARCH_S390): Likewise.
 426         * Makefile.in, configure: Rebuild.
 427
 428         * libitm.h (_ITM_TYPE_M128): Always define.
 429         * vect64.cc: Split ...
 430         * vect128.cc: ... out of...
 431         * config/x86/x86_sse.cc: ... here.
 432         * config/arm/neon.cc: New file.
 433
 434 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 435
 436         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 437         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 438         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 439         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 440         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 441         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 442         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 443         (serialirr_dispatch::snapshot_most_recent): New.
 444         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 445
 446 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 447
 448         * libitm_i.h (gtm_mask_stack): Remove.
 449         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 450         * stmlock.h: Remove file.
 451         * config/alpha/cacheline.h: Likewise.
 452         * config/generic/cacheline.h: Likewise.
 453         * config/powerpc/cacheline.h: Likewise.
 454         * config/sparc/cacheline.h: Likewise.
 455         * config/x86/cacheline.h: Likewise.
 456
 457 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 458
 459         Update copyright years.
 460
 461         * libitm.texi: Bump @copying's copyright year.
 462
 463 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 464
 465         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 466         (ml_wt_dispatch::pre_write): Adapt.
 467         (ml_wt_dispatch::pre_load): Likewise.
 468
 469 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 470
 471         * libitm_i.h (gtm_alloc_action): Remove union.
 472         * testsuite/libitm.c/alloc-1.c: New.
 473
 474 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 475
 476         * testsuite/libitm.c++/eh-5.C: New.
 477         * libitm.h (_ITM_cxa_free_exception): New.
 478         * libitm.map (_ITM_cxa_free_exception): Add it.
 479         * libitm.texi: Update ABI docs.
 480         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 481         (gtm_transaction_cp::cxa_uncaught_count): Add.
 482         (gtm_thread::cxa_unthrown): Remove.
 483         (gtm_thread::cxa_uncaught_count_ptr): Add.
 484         (gtm_thread::cxa_uncaught_count): Add.
 485         (gtm_thread::drop_references_allocations): Rename to...
 486         (gtm_thread::discard_allocation): ... this and adapt.
 487         (gtm_thread::init_cpp_exceptions): New.
 488         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 489         (gtm_thread::begin_transaction): Likewise.
 490         (gtm_transaction_cp::save): Likewise.
 491         (gtm_thread::trycommit): Likewise.
 492         * eh_cpp.cc: Add overview comments.
 493         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 494         (free_any_exception, _ITM_cxa_free_exception): New.
 495         (gtm_thread::init_cpp_exceptions): Define.
 496         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 497         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 498         (gtm_thread::revert_cpp_exceptions): Likewise.
 499
 500 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 501
 502         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 503         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 504         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 505         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 506         (gtm_thread::forget_allocations): New overload with size_t argument.
 507         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 508         adapt existing one.
 509         (gtm_thread::record_allocation): Adapt.
 510         (gtm_thread::commit_allocations_1): Adapt.
 511         (gtm_thread::commit_allocations_2): Adapt.
 512         * testsuite/libitm.c++/newdelete.C: New.
 513
 514 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 515             Joseph Myers  <joseph@codesourcery.com>
 516             Mark Shinwell  <shinwell@codesourcery.com>
 517             Andrew Stubbs  <ams@codesourcery.com>
 518             Rich Felker <dalias@libc.org>
 519
 520         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 521         GTM_begin_transaction for compatibility with FDPIC.
 522
 523 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 524
 525         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 526         using load_gcc_lib.
 527
 528 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 529
 530         PR libitm/61164
 531         * local_atomic (__always_inline): Rename to...
 532         (__libitm_always_inline): ... this.
 533
 534 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 535
 536         PR target/52482
 537         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 538
 539 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 540
 541         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 542         operands "op" and "val" to int.
 543
 544 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 545
 546         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 547         "op" and "val" to int.
 548
 549 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 550
 551         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 552         "op" and "val" to int.
 553
 554 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 555
 556         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 557         Declare as static int.
 558         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 559         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 560
 561 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 562
 563         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 564         sys_futex0 function.
 565
 566 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 567
 568         * Makefile.in: Regenerated with automake-1.11.6.
 569         * aclocal.m4: Likewise.
 570         * configure: Likewise.
 571         * testsuite/Makefile.in: Likewise.
 572
 573 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 574
 575         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 576         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 577
 578 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 579
 580         PR libitm/64360
 581         * libitm.c/stackundo.c (test2): Make it static.
 582         (test1): Likewise.
 583
 584 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 585
 586         Update copyright years.
 587
 588 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 589
 590         * libitm.texi: Bump @copying's copyright year.
 591
 592 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 593
 594         * testsuite/lib/libitm.exp: Load target-utils.exp.
 595         Move load of target-supports.exp earlier.
 596
 597 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 598
 599         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 600
 601 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 602
 603         PR bootstrap/63784
 604         * configure: Regenerated.
 605
 606 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 607
 608         PR target/63610
 609         * configure: Regenerate.
 610
 611 2014-10-06  Marek Polacek  <polacek@redhat.com>
 612
 613         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 614         * testsuite/libitm.c/memset-1.c: Likewise.
 615
 616 2014-07-24  Richard Henderson  <rth@redhat.com>
 617
 618         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 619         addressing mode in epilogue.
 620
 621 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 622
 623         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 624         -mclear-hwcap instead.
 625         * configure: Regenerate.
 626         * clearcap.map: Remove.
 627
 628 2014-05-21  John Marino  <gnugcc@marino.st>
 629
 630         * configure.tgt (*-*-dragonfly*): New target.
 631
 632 2014-05-19  Richard Henderson  <rth@redhat.com>
 633
 634         * config/aarch64/sjlj.S: New file.
 635         * config/aarch64/target.h: New file.
 636         * configure.tgt: Enable aarch64.
 637
 638 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 639
 640         * config/generic/asmcfi.h: Also check for
 641         __GCC_HAVE_DWARF2_CFI_ASM.
 642
 643 2013-04-02  Richard Henderson  <rth@redhat.com>
 644
 645         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 646         * config/arm/target.h, config/sh/target.h: Likewise.
 647         * config/sparc/target.h, config/x86/target.h: Likewise.
 648
 649 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 650
 651         * config/linux/futex_bits.h: Include errno.h.
 652         (sys_futex0): If syscall returns -1, return -errno rather than
 653         -1.
 654
 655 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 656
 657         * libitm.texi (Index): Rename to Library Index.
 658
 659 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 660
 661         PR libitm/53113
 662         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 663         (x86_avx.lo): Append -mavx to CXXFLAGS.
 664         * Makefile.in: Regenerate.
 665
 666 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 667
 668         Update copyright years
 669
 670 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 671
 672         * libitm.texi: Bump @copying's copyright year.
 673
 674 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 675
 676         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 677         (FUNC): Define ELFv2 variant.
 678         (END): Likewise.
 679         (HIDDEN): Likewise.
 680         (CALL): Likewise.
 681         (BASE): Likewise.
 682         (LR_SAVE): Likewise.
 683
 684 2013-09-20  Alan Modra  <amodra@gmail.com>
 685
 686         * configure: Regenerate.
 687
 688 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 689
 690         * config/posix/rwlock.cc: Fix initialization order.
 691
 692 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 693
 694         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 695         (htm_fastpath): Assign an asm name.
 696         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 697         HTM fast paths.
 698         (_ITM_actions): Likewise.
 699         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 700         x86_64.
 701         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 702         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 703         field to the start of the structure.
 704         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 705         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 706         handling for custom HTM fast paths.
 707
 708 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 709         Revert:
 710         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 711
 712         * configure.tgt: Add -msoft-float to XCFLAGS.
 713
 714 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 715
 716         * configure.tgt: Add -msoft-float to XCFLAGS.
 717
 718 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 719
 720         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 721         (htm_transaction_active): Enable zEC12 instructions in the
 722         assembler.
 723         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 724
 725 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 726
 727         * acinclude.m4: Add htm asm check for s390.
 728         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 729         * configure: Regenerate.
 730         * config/s390/target.h: Remove __HTM__ check.
 731         (htm_available): Call getauxval to get hwcaps and check whether
 732         HTM is available or not.
 733
 734 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 735
 736         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 737         * configure.ac: Use it.
 738         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 739         (AC_CHECK_FUNCS): Check for getauxval.
 740         * config.h.in, configure: Rebuild.
 741         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 742         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 743         (USE_HTM_FASTPATH): Define.
 744         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 745         _HTM_RETRIES) New macros.
 746         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 747         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 748
 749 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 750
 751         * config/s390/target.h: Include htmintrin.h.
 752         (_HTM_ITM_RETRIES): New macro definition.
 753         (htm_available, htm_init, htm_begin, htm_begin_success)
 754         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 755
 756 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 757             Cesar Philippidis  <cesar@codesourcery.com>
 758
 759         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 760         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 761         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 762         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 763
 764 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 765
 766         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 767         (_ITM_getTransactionId): Same.
 768         * config/x86/target.h (htm_transaction_active): New.
 769
 770 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 771
 772         PR libitm/57643
 773         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 774         the HTM fastpath.
 775
 776 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 777
 778         PR bootstrap/56714
 779         * local_atomic (__always_inline): Always define our version.
 780         (__calculate_memory_order): Mark inline.
 781         (atomic_thread_fence): Ditto.
 782         (atomic_signal_fence): Ditto.
 783         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 784         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 785         (atomic_bool::atomic_flag_test_and_set): Ditto.
 786         (atomic_bool::atomic_flag_clear): Ditto.
 787
 788 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 789
 790         * config/s390/sjlj.S: New file.
 791         * config/s390/target.h: New file.
 792         * configure.tgt: Set options for S/390.
 793
 794 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 795
 796         * local_atomic (__always_inline): Add.
 797         (__calculate_memory_order, atomic_thread_fence,
 798          atomic_signal_fence, test_and_set, clear, store, load,
 799          exchange, compare_exchange_weak, compare_exchange_strong,
 800          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 801         Add __always_inline to force inlining.
 802
 803 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 804             Jack Howarth  <howarth@bromo.med.uc.edu>
 805             Patrick Marlier  <patrick.marlier@gmail.com>
 806
 807         PR libitm/55693
 808         * alloc_cpp.cc: Enable function declarations on darwin.
 809         * eh_cpp.cc: Likewise.
 810
 811 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 812
 813         Update copyright years.
 814
 815 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 816
 817         * beginend.cc (htm_fastpath): New.
 818         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 819         _ITM_commitTransactionEH): Add HTM fastpath handling.
 820         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 821         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 822         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 823         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 824         * configure.tgt: Add -mrtm to XCFLAGS.
 825         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 826         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 827         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 828         * retry.cc (parse_default_method): Add HTM method parsing.
 829         (gtm_thread::number_of_threads_changed): Use HTM by default if
 830         available.
 831
 832 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 833
 834         * configure: Regenerate.
 835
 836 2012-10-31  Richard Henderson  <rth@redhat.com>
 837
 838         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 839         * configure.ac: Use it.
 840         * config.h.in, configure: Rebuild.
 841         * testsuite/Makefile.in: Rebuild.
 842
 843 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 844
 845         * libitm.texi: Clarify ABI requirements for data-logging functions.
 846
 847 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 848
 849         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 850         it requires serial mode instead of assuming that for certain
 851         dispatchs.
 852         * dispatch.h (abi_dispatch::requires_serial): New.
 853         (abi_dispatch::abi_dispatch): Adapt.
 854         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 855         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 856         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 857         serial_dispatch::serial_dispatch,
 858         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 859
 860 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 861
 862         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 863         and ia32 declarations some more.
 864         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 865
 866 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 867
 868         PR other/43620
 869         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 870         * configure: Regenerate.
 871         * Makefile.in: Regenerate.
 872
 873 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 874
 875         * configure: Regenerated.
 876
 877 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 878
 879         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 880
 881 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 882
 883         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 884
 885 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 886
 887         * configure: Regenerated.
 888
 889 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 890
 891         PR libitm/52854
 892         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 893         for x86-64.
 894
 895 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 896
 897         * configure: Regenerate.
 898
 899 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 900
 901         PR bootstrap/52812
 902         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 903
 904 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 905
 906         * testsuite/lib/libitm.exp: load fortran-modules.exp
 907
 908 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 909
 910         * configure.tgt (*-*-irix6*): Remove.
 911
 912 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 913
 914         PR libitm/52526
 915         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 916         wake-up.
 917
 918 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 919
 920         * configure.tgt (*-*-osf*): Remove.
 921         * configure: Regenerate.
 922
 923 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 924
 925         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 926         memtransfer/memset if size isn't larger than zero.
 927
 928 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 929
 930         * libitm.texi: Link to specification and add a usage example.
 931
 932 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 933
 934         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 935         default dispatch for more than 1 thread to ml_wt.
 936
 937 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 938
 939         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 940
 941 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 942
 943         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 944
 945 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 946
 947         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 948         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 949         (gl_wt_dispatch.rollback): Same.
 950
 951 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 952
 953         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 954
 955 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 956
 957         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 958         for RfW src.  Optimize number of calls to gtm_thr.
 959
 960 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 961
 962         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 963         acquisition to ...
 964         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 965         (default_dispatch): Make atomic.
 966         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 967         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 968         use decide_begin_dispatch() if default_dispatch might have changed.
 969         (GTM::gtm_thread::number_of_threads_changed): Initialize
 970         default_dispatch here.
 971
 972 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 973             Patrick Marlier  <patrick.marlier@gmail.com>
 974
 975         PR libitm/52220
 976         * alloc_cpp.cc: No dummy definitions for darwin.
 977         * eh_cpp.cc: Likewise.
 978
 979 2012-02-14  Richard Henderson  <rth@redhat.com>
 980
 981         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 982
 983 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 984
 985         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 986
 987 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 988
 989         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 990         (GTM::gtm_thread): Add read and write logs.
 991         (GTM::dispatch_ml_wt): Declare.
 992         * retry.cc (parse_default_method): Support ml_wt.
 993         * method-ml.cc: New file.
 994         * Makefile.am: Add method-ml.cc.
 995         * Makefile.in: Regenerate.
 996
 997 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 998
 999         * dispatch.h (GTM::abi_dispatch::supports): New.
1000         (GTM::method_group::reinit): New.
1001         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1002         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1003         supports the current situation.
1004
1005 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1006
1007         * util.cc (GTM::xcalloc): New.
1008         * common.h (GTM::xcalloc): Declare.
1009
1010 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1011
1012         * config/sparc/target.h (cpu_relax): Read from CC register.
1013         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1014
1015 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1016
1017         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1018
1019 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1020
1021         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1022         * config/sparc/cacheline.h: New file.
1023         * config/sparc/target.h: Likewise.
1024         * config/sparc/sjlj.S: Likewise.
1025         * config/linux/sparc/futex_bits.h: Likewise.
1026
1027 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1028
1029         * configure.ac (link_itm): Fix comment.
1030         * configure: Regenerate.
1031         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1032
1033 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1034
1035         PR libitm/51822
1036         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1037         Correct libgomp references.
1038
1039 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1040
1041         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1042         wake-up.
1043
1044 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1045
1046         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1047         end of structure.
1048         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1049         offset values.  Do not copy return address.  Decrement stack
1050         by 56 bytes only.
1051         (GTM_longjump) [__x86_64__]: Update offset values.
1052
1053 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1054
1055         PR libitm/51830
1056         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1057         the first function argument to %eax.
1058
1059 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1060
1061         * libitm.h (_ITM_getThreadnum): Remove.
1062         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1063
1064 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1065
1066         * clearcap.map: New file.
1067         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1068         * configure.ac: Call it.
1069         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1070         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1071         * configure: Regenerate.
1072         * Makefile.in: Regenerate.
1073         * testsuite/Makefile.in: Regenerate.
1074
1075 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1076
1077         PR libitm/51173
1078         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1079         include, exclude options.
1080
1081 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1082
1083         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1084         rolling back.
1085         * containers.h (GTM::vector::set_size): New.
1086
1087 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1088
1089         PR libitm/51855
1090         * config/generic/tls.h (GTM::mask_stack_top): New.
1091         (GTM::mask_stack_bottom): Declare.
1092         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1093         * local.cc (gtm_undolog::rollback): Filter out any updates that
1094         overlap the libitm stack.  Add current transaction as parameter.
1095         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1096         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1097         * testsuite/libitm.c/stackundo.c: New test.
1098
1099 2012-01-10  Richard Henderson  <rth@redhat.com>
1100
1101         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1102         * eh_cpp.cc (_Unwind_DeleteException): Define for
1103         !HAVE_ELF_STYLE_WEAKREF.
1104
1105 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1106
1107         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1108         (GTM::gtm_thread::drop_references_undolog): Remove.
1109         (GTM::gtm_thread::commit_undolog,
1110         GTM::gtm_thread::rollback_undolog): Move to ...
1111         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1112         (GTM::gtm_undolog_entry): Remove.
1113         (GTM::gtm_thread): Adapt.
1114         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1115         (GTM::gtm_thread::trycommit): Adapt.
1116         * method-serial.cc (serial_dispatch::log): Adapt.
1117         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1118         (gl_wt_dispatch::store): Fix likely/unlikely.
1119         * containers.h (GTM::vector::resize): Add additional_capacity
1120         parameter and handle it.
1121         (GTM::vector::resize_noinline): New/adapt.
1122         (GTM::vector::push): New.
1123
1124 2012-01-06  Richard Henderson  <rth@redhat.com>
1125
1126         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1127         * config/linux/powerpc/futex_bits.h: New file.
1128         * config/powerpc/cacheline.h: New file.
1129         * config/powerpc/sjlj.S: New file.
1130         * config/powerpc/target.h: New file.
1131         * config/generic/asmcfi.h (cfi_offset): New.
1132         (cfi_restore, cfi_undefined): New.
1133
1134 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1135
1136         PR other/51171
1137         * testsuite/libitm.c/reentrant.c: Remove xfail.
1138         (thread): Pass x to pure().
1139         From Patrik Marlier <patrick.marlier@gmail.com>.
1140
1141 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1142
1143         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1144         privatization safety if already in serial mode.
1145
1146 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1147
1148         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1149         finish_serial_upgrade parameter.
1150         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1151         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1152         Don't unset reader flag.
1153         (GTM::gtm_rwlock::write_upgrade_finish): New.
1154         * config/posix/rwlock.cc: Same.
1155         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1156         Declare.
1157         * config/posix/rwlock.h: Same.
1158         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1159         flag after commit or after rollback when restarting.
1160
1161 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1162
1163         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1164         (GTM::gtm_thread::try_commit): Changed memory order.
1165         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1166         as parameter.
1167         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1168         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1169         * config/linux/futex_bits.h (sys_futex0): Same.
1170         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1171         * config/linux/futex.h (futex_wait, futex_wake): Same.
1172         * config/linux/rwlock.h (gtm_rwlock::writers,
1173         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1174         ints.
1175         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1176         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1177         gtm_rwlock::write_unlock): Fix memory orders and fences.
1178         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1179         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1180         gtm_rwlock::write_unlock): Same.
1181         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1182         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1183         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1184         Add comments.
1185         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1186         gl_wt_dispatch::load, gl_wt_dispatch::store,
1187         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1188         orders and fences.  Add comments.
1189
1190 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1191
1192         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1193         * Makefile.in: Regenerated.
1194
1195 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1196
1197         * configure.tgt: Add sh* case.
1198         * config/sh/target.h: New file.
1199         * config/sh/sjlj.S: New file.
1200         * config/linux/sh/futex_bits.h: New file.
1201
1202 2011-12-14  Richard Henderson  <rth@redhat.com>
1203
1204         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1205         * config/arm/sjlj.S, config/arm/target.h: New files.
1206         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1207         (cfi_rel_offset): New.
1208         * config/linux/futex_bits.h: New file.
1209         * config/linux/futex.cc: Include futex_bits.h here...
1210         * config/linux/futex.h: ... not here.
1211         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1212         * configure.ac (ARCH_AM): New conditional.
1213         * Makefile.in, configure: Rebuild.
1214         * configure.tgt: Handle ARM.
1215
1216 2011-12-13  Richard Henderson  <rth@redhat.com>
1217
1218         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1219         signed/unsigned comparison werror.
1220
1221         * local_atomic: New file.
1222         * libitm_i.h: Include it.
1223         (gtm_thread::shared_state): Use atomic template.
1224         * beginend.cc (GTM::gtm_clock): Use atomic template.
1225         (global_tid): Use atomic template if 64-bit atomics available.
1226         (gtm_thread::gtm_thread): Update shared_state access.
1227         (gtm_thread::trycommit): Likewise.
1228         (choose_code_path): Update global_tid access.
1229         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1230         * stmlock.h (GTM::gtm_clock): Use atomic template.
1231         (gtm_get_clock, gtm_inc_clock): Update accesses.
1232         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1233         redundant __sync_synchronize after atomic shared_state access.
1234         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1235         (gtm_rwlock::write_lock_generic): Likewise.
1236         (gtm_rwlock::read_unlock): Likewise.
1237         * config/alpha/target.h (atomic_read_barrier): Remove.
1238         (atomic_write_barrier): Remove.
1239         * config/x86/target.h (atomic_read_barrier): Remove.
1240         (atomic_write_barrier): Remove.
1241
1242 2011-11-30  Richard Henderson  <rth@redhat.com>
1243
1244         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1245         * beginend.c (_ITM_abortTransaction): Update to match.
1246         (GTM::gtm_thread::restart): Likewise.
1247         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1248         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1249
1250 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1251
1252         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1253         * Makefile.in: Regenerate.
1254
1255 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1256
1257         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1258         * alloc_cpp.cc: Generate dummy functions if we don't
1259         HAVE_ELF_STYLE_WEAKREF.
1260         * eh_cpp.cc: Likewise.
1261         * configure: Regenerate.
1262         * aclocal.m4:  Likewise.
1263         * config.h.in: Likewise.
1264         * Makefile.in: Likewise.
1265         * testsuite/Makefile.in: Likewise.
1266
1267 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1268
1269         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1270         __USER_LABEL_PREFIX__ for targets that use it.
1271         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1272         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1273         in portability to non-elf targets.
1274         (GTM_longjmp): Likewise.
1275         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1276         where required.
1277
1278 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1279
1280         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1281         * testsuite/libitm.c/memset-1.c: Likewise.
1282
1283 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1284
1285         * configure: Regenerate.
1286
1287 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1288
1289         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1290         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1291         * Makefile.am: Handle sun style versioning.
1292         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1293         * configure: Regenerate.
1294         * Makefile.in: Regenerate.
1295
1296 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1297
1298         * config/generic/asmcfi.h: Fix comment.
1299         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1300         sequence without .hidden support, error for non-ELF targets.
1301         (GTM_longjmp) [__ELF__]: Only use .hidden if
1302         HAVE_ATTRIBUTE_VISIBILITY.
1303
1304 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1305
1306         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1307         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1308         Dummy functions.
1309         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1310         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1311
1312 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1313
1314         PR bootstrap/51098
1315         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1316         * configure: Regenerate.
1317
1318 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1319
1320         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1321
1322 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1323
1324         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1325         .hidden.
1326         (.note.GNU-stack): Only use if __linux__.
1327         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1328         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1329         * testsuite/libitm.c/reentrant.c: Likewise.
1330         * testsuite/libitm.c/simple-2.c: Likewise.
1331         * testsuite/libitm.c/txrelease.c: Likewise.
1332         * testsuite/libitm.c++/static_ctor.C: Likewise.
1333
1334 2011-11-10  Richard Henderson  <rth@redhat.com>
1335
1336         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1337         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1338         * configure.ac (ARCH_X86_AVX): New conditional.
1339         * Makefile.in, configure: Rebuild.
1340
1341 2011-11-09  Richard Henderson  <rth@redhat.com>
1342
1343         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1344         * configure.ac: Use it.
1345         * config.h.in, configure: Rebuild.
1346         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1347
1348 2011-11-09  Richard Henderson  <rth@redhat.com>
1349
1350         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1351         * config/alpha/unaligned.h: Remove file.
1352         * config/generic/unaligned.h: Remove file.
1353         * config/x86/unaligned.h: Remove file.
1354         * config/generic/cachepage.h: Remove file.
1355         * config/posix/cachepage.cc: Remove file.
1356         * config/generic/cacheline.cc: Remove file.
1357         * config/x86/cacheline.cc: Remove file.
1358         * config/generic/cacheline.h (gtm_cacheline): Remove the
1359         store_mask, copy_mask, copy_mask_wb methods.
1360         * config/x86/cacheline.h: Likewise.
1361         * config/alpha/cacheline.h: Fall back to generic after setting size.
1362         * config/generic/tls.cc (gtm_mask_stack): Remove.
1363         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1364         (GTM_vpalignr_table): Remove.
1365         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1366         (GTM_pshift_table): Remove.
1367         * config/libitm_i.h: Don't include cachepage.h.
1368         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1369         * Makefile.in, testsuite/Makefile.in: Rebuild.
1370
1371 2011-11-09  Richard Henderson  <rth@redhat.com>
1372
1373         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1374         to emit branch prediction hint.
1375
1376         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1377         Protect .note.GNU-stack with __linux__.
1378
1379         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1380         * configure, aclocal.m4, config.h.in: Rebuild.
1381         * config/generic/asmcfi.h: New file.
1382         * config/x86/sjlj.S: Use it.
1383
1384 2011-11-08  Richard Henderson  <rth@redhat.com>
1385
1386         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1387
1388 2011-11-08  Richard Henderson  <rth@redhat.com>
1389
1390         * configure.tgt: Test correct directory for supported cpus.
1391
1392         * configure.ac: Exit if unsupported.
1393         * configure: Rebuild.
1394         * configure.tgt: Delete boilerplate from libgomp for unsupported
1395         targets.  Set UNSUPPORTED for unsupported targets.
1396
1397 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1398
1399         * configure.tgt: Handle i386 like i[456]86.
1400         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1401         take address.
1402         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1403         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1404
1405 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1406
1407         * method-wbetl.cc: Update copyright notice.
1408         * aatree.cc: Same.
1409         * util.cc: Same.
1410         * libitm.h: Same.
1411         * memset.cc: Same.
1412         * eh_cpp.cc: Same.
1413         * barrier.tpl: Same.
1414         * useraction.cc: Same.
1415         * stmlock.h: Same.
1416         * memcpy.cc: Same.
1417         * common.h: Same.
1418         * config/generic/tls.cc: Same.
1419         * config/generic/cacheline.h: Same.
1420         * config/generic/cachepage.h: Same.
1421         * config/generic/cacheline.cc: Same.
1422         * config/generic/unaligned.h: Same.
1423         * config/x86/cacheline.h: Same.
1424         * config/x86/cacheline.cc: Same.
1425         * config/x86/unaligned.h: Same.
1426         * config/alpha/cacheline.h: Same.
1427         * config/alpha/unaligned.h: Same.
1428         * config/alpha/sjlj.S: Same.
1429         * config/posix/cachepage.cc: Same.
1430         * config/linux/futex.h: Same.
1431         * config/linux/alpha/futex_bits.h: Same.
1432
1433 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1434
1435         * libitm.texi: No cover text and invariant sections.
1436
1437 2011-11-03  Richard Henderson  <rth@redhat.com>
1438
1439         * local_type_traits: New file.
1440         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1441
1442 2011-11-03  Richard Henderson  <rth@redhat.com>
1443
1444         * configure.ac: Don't test for gfortran.
1445         * configure: Rebuild.
1446
1447         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1448         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1449
1450 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1451
1452         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1453         * testsuite/libitm.c/memset-1.c: Same.
1454         * testsuite/libitm.c/c.exp: Same.
1455         * testsuite/lib/libitm-dg.exp: Same.
1456         * testsuite/lib/libitm.exp: Same.
1457         * testsuite/libitm.c++/c++.exp: Same.
1458
1459 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1460
1461         * testsuite/config/default.exp: Update copyright date.
1462         * configure.ac: Add copyright info.
1463         * configure.tgt: Same.
1464
1465 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1466
1467         * testsuite/libitm.c/reentrant.c: XFAIL.
1468         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1469
1470 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1471
1472         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1473         handle aborts.
1474         (_ITM_abortTransaction): Handle aborts of outer transactions.
1475         * libitm_i.h: Same.
1476         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1477         * libitm.texi: Document aborts of outer transactions.
1478         * testsuite/libitm.c/cancel.c: New file.
1479
1480 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1481
1482         * testsuite/*: Change __transaction to __transaction_atomic or
1483         __transaction_relaxed.
1484
1485 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1486
1487         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1488         (gtm_thr): Same.
1489
1490 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1491
1492         * libitm_i.h: Add gl_wt dispatch.
1493         * retry.cc (parse_default_method): Same.
1494         * method-gl.cc: New file.
1495         * Makefile.am: Use method-gl.cc.
1496         * Makefile.in: Rebuild.
1497
1498 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1499
1500         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1501         safety if requested by a TM method.
1502         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1503         privatization safety.
1504         * method-serial.cc: Same.
1505
1506 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1507
1508         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1509         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1510         undolog-related member functions from *_local to *_undolog.
1511         * local.cc (gtm_thread::commit_undolog): Same.
1512         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1513         (GTM::gtm_thread::rollback): Roll back undolog before
1514         dispatch-specific rollback.
1515
1516 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1517
1518         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1519         re-initialization of the current method group.
1520         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1521
1522 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1523
1524         * alloc.cc (commit_allocations_2): Do not free transaction-local
1525         memory when committing a nested transaction.
1526
1527 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1528
1529         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1530         serial-irrevocable dispatch, not serial.
1531
1532 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1533
1534         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1535         declarations.
1536         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1537         * method-serial.cc: Implement begin_or_restart().
1538         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1539         dispatch-specific begin_or_restart().
1540         (GTM::gtm_thread::restart): Same.
1541
1542 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1543
1544         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1545         restarting without switching to serial mode.
1546         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1547         transaction state. Choose closed-nesting alternative if available.
1548         (GTM::gtm_thread::set_default_dispatch): New.
1549         (parse_default_method): New.
1550         (GTM::gtm_thread::number_of_threads_changed): New.
1551         * method-serial.cc (GTM::serial_mg): New method group class.
1552         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1553         fini.
1554         (GTM::serial_dispatch): Same.
1555         (GTM::serialirr_onwrite_dispatch): Same.
1556         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1557         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1558         registered threads.
1559         (GTM::gtm_thread::gtm_thread): Same.
1560         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1561         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1562         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1563         choose dispatch but set state according to dispatch here.
1564         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1565         (GTM::method_group): New class.
1566         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1567         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1568         * libitm.texi: Document TM methods, method groups, method life cycle.
1569         Rename method sets to method groups.
1570
1571 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1572
1573         * config/x86/tls.h: Moved to ...
1574         * config/linux/x86/tls.h: ... here.
1575
1576 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1577
1578         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1579         Add X32 support.
1580         * config/x86/sjlj.S: Same.
1581
1582 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1583
1584         * config/linux/rwlock.h: New file.
1585         * config/linux/rwlock.c: New file.
1586         * configure.ac: Reenable futex support (undo SVN rev 157758).
1587         * Makefile.am: Same.
1588         * configure.tgt: Same.
1589         * config/linux/alpha/futex_bits.h: Same.
1590         * config/linux/futex.h: Same. Return number of woken processes.
1591         * config/linux/futex.cc: Same.
1592         (futex_wait): Remove spinning.
1593         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1594         Use __x86_64__ instead of __LP64__.
1595         * aclocal.m4: Include generic futex checks.
1596         * configure: Rebuild.
1597         * Makefile.in: Rebuild.
1598         * testsuite/Makefile.in: Rebuild.
1599         * beginend.cc: Include pthread.h.
1600         * config/posix/cachepage.cc: Same.
1601
1602 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1603
1604         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1605         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1606         (set_gtm_thr): New.
1607         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1608         (set_gtm_thr): New.
1609         (GTM::gtm_thread::thread_num): Removed.
1610         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1611         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1612         tx-to-thread renaming.
1613         * beginend.cc: Adapted to tx-to-thread renaming.
1614         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1615         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1616         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1617         gtm_transaction to gtm_thread.
1618         (_ITM_getThreadnum): Removed. Not supported anymore.
1619         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1620         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1621         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1622         gtm_tx-to-gtm_thr renaming if necessary.
1623         * eh_cpp.cc: Same.
1624         * local.cc: Same.
1625         * retry.cc: Same.
1626         * clone.cc: Same.
1627         * alloc.cc: Same.
1628         * alloc_c.cc: Same.
1629         * alloc_cpp.cc: Same.
1630         * method-serial.cc: Same.
1631         * config/generic/tls.cc: Same.
1632         * config/posix/rwlock.h (gtm_rwlock): Same.
1633         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1634
1635 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1636
1637         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1638         implementation.
1639         (gtm_rwlock::read_unlock): Same.
1640         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1641         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1642         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1643         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1644         w_upgrade. Replaced by per-transaction flags (in shared_state).
1645         Added c_confirmed_writers.
1646         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1647         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1648         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1649         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1650         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1651         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1652         * libitm.texi: Document locking conventions and implementations in
1653         libitm.
1654
1655 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1656
1657         * libitm_i.h (next_tx): Add list of all threads' transaction.
1658         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1659         transaction with list of transactions and ...
1660         (thread_exit_handler): ... deregister here.
1661         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1662         * config/x86/target.h: Same.
1663
1664 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1665
1666         * testsuite/libitm.c++/static_ctor.C: New file.
1667
1668 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1669
1670         * testsuite/libitm.c/reentrant.c: New file.
1671
1672 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1673
1674         * config/generic/tls.h: Remove the free list for transactions and ...
1675         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1676         (GTM::gtm_transaction::operator delete): ... and release here.
1677         (thread_exit_handler): New. Delete tx when thread terminates.
1678         (thread_exit_init): New.
1679         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1680         * testsuite/libitm.c/txrelease.c: New file.
1681
1682 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1683
1684         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1685         * testsuite/libitm.c/notx.c: New file.
1686
1687 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1688
1689         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1690         * libitm_i.h (local_tid): ... to here.
1691         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1692         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1693
1694 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1695
1696         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1697         serialirr_onwrite_dispatch as new default for now.
1698         * method-serial.cc (serialirr_onwrite_dispatch): New.
1699         (GTM::dispatch_serialirr_onwrite): New.
1700         * libitm_i.h: Same.
1701
1702 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1703
1704         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1705         * query.cc (_ITM_getTransactionId): There is no active transaction if
1706         the current nesting level is zero.
1707
1708 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1709
1710         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1711         rollback.
1712
1713 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1714
1715         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1716         transaction properties from the caller instead of from the
1717         transaction object.
1718         * libitm_i.h: Same.
1719         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1720
1721 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1722
1723         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1724         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1725         * dispatch.h: Same.
1726         * method-serial.cc: Same.
1727         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1728         flat nesting as default, and closed nesting on demand.
1729         (GTM::gtm_transaction::rollback): Same.
1730         (_ITM_abortTransaction): Same.
1731         (GTM::gtm_transaction::restart): Same.
1732         (GTM::gtm_transaction::trycommit): Same.
1733         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1734         (choose_code_path): New.
1735         (GTM::gtm_transaction_cp::save): New.
1736         (GTM::gtm_transaction_cp::commit): New.
1737         * query.cc (_ITM_inTransaction): Support flat nesting.
1738         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1739         (GTM::gtm_transaction): Support flat and closed nesting.
1740         * alloc.cc (commit_allocations_2): New.
1741         (commit_cb_data): New helper struct.
1742         (GTM::gtm_transaction::commit_allocations): Handle nested
1743         commits/rollbacks.
1744         * libitm.texi: Update user action section, add description of nesting.
1745
1746 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1747
1748         * libitm_i.h: Add closed nesting as restart reason.
1749         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1750
1751 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1752
1753         * useraction.cc: Use vector instead of list to store actions.
1754         Also support partial rollbacks for closed nesting.
1755         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1756         * beginend.cc: Same.
1757
1758 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1759
1760         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1761         closed_nesting flags, as well as a closed nesting alternative.
1762         * method-serial.cc: Same.
1763         (serial_dispatch): Renamed to serialirr_dispatch.
1764         (GTM::dispatch_serialirr): Same.
1765         (serial_dispatch_ul): Renamed to serial_dispatch.
1766         (GTM::dispatch_serial): Same.
1767
1768 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1769
1770         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1771
1772 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1773
1774         * aatree.h (aa_tree::remove): New.
1775         (aa_tree::operator new): Add placement new.
1776
1777 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1778
1779         * containers.h: New file.
1780         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1781         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1782         * common.h: ... to here.
1783         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1784         * local.cc: Same.
1785
1786 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1787
1788         * libitm_i.h (STATE_ABORTING): Remove.
1789         * beginend.cc (_ITM_abortTransaction): Same.
1790         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1791         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1792         (_ITM_rollbackTransaction): Remove.
1793         * beginend.cc: Same.
1794         * libitm.map: Same.
1795         * libitm.texi: Document these ABI changes.
1796
1797 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1798
1799         * libitm.texi: New file.
1800         * Makefile.am: Add libitm.texi.
1801         * Makefile.in: Rebuild.
1802
1803 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1804
1805         * libitm_i.h: Move parts to common.h and dispatch.h.
1806         * common.h: New file.
1807         * dispatch.h: New file, new dispatch class.
1808         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1809         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1810         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1811         decision to retry.cc.
1812         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1813         only.
1814         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1815         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1816         logging.
1817         * barrier.cc: Use new barriers definitions.
1818         (abi_dispatch::memmove_overlap_check): New.
1819         * config/x86/x86_sse.cc: Same.
1820         * config/x86/x86_avx.cc: Same.
1821         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1822         memcpy.cc.
1823         * Makefile.in: Rebuild.
1824         * method-readonly.cc: Remove.
1825         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1826         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1827
1828 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1829
1830         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1831         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1832         * testsuite/libitm.c/dropref-2.c: Same.
1833         * testsuite/libitm.c/dropref.c: Same.
1834
1835 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1836
1837         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1838         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1839         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1840         * alloc_c.cc: Same.
1841         * barrier.tpl: Same.
1842         * beginend.c: Same.
1843         * config/generic/tls.h: Same.
1844         * config/x86/tls.h: Same.
1845         * libitm_i.h: Same.
1846         * memcpy.cc: Same.
1847         * memset.cc: Same.
1848         * method-readonly.cc: Same.
1849         * method-serial.cc: Same.
1850         * method-wbetl.cc: Same.
1851         * retry.cc: Same.
1852
1853 2011-03-03  Richard Henderson  <rth@redhat.com>
1854
1855         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1856         From Patrik Marlier <patrick.marlier@unine.ch>.
1857
1858 2011-02-03  Richard Henderson  <rth@redhat.com>
1859
1860         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1861         * configure.ac: Use it.
1862         * configure, config.h.in: Rebuild.
1863         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1864         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1865         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1866         * libitm.map: Use wildcards to match size_t mangling.
1867
1868 2010-12-14  Richard Henderson  <rth@redhat.com>
1869
1870         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1871         blocks of TIDs per thread.
1872         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1873         (setup_gtm_thr): Return the thread structure.
1874         * config/x86/tls.h (setup_gtm_thr): Likewise.
1875
1876 2010-12-14  Richard Henderson  <rth@redhat.com>
1877
1878         * clone.cc (table_lock): Remove.
1879         (find_clone): Don't take it.
1880         (ExcludeTransaction): New helper class.
1881         (_ITM_registerTMCloneTable): Use it.
1882         (_ITM_deregisterTMCloneTable): Likewise.
1883
1884 2010-12-14  Richard Henderson  <rth@redhat.com>
1885
1886         * config/x86/tls.h: New file.
1887
1888 2010-07-15  Richard Henderson  <rth@redhat.com>
1889
1890         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1891         * Makefile.in: Rebuild.
1892
1893 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1894
1895         * method-wbetl.cc (trydropreference): Fix source line.
1896
1897 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1898
1899         * libitm.h: Add comment.
1900         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1901
1902 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1903
1904         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1905         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1906         available, use pthread mutexes.
1907         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1908         * config.h.in: Regenerate.
1909         * configure: Regenerate.
1910
1911 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1912
1913         * libitm.h (ITM_PURE): Define.
1914         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1915
1916 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1917
1918         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1919         (validate): Add comment.
1920         (trydropreference): New.
1921         * method-readonly.cc (class readonly_dispatch): Add
1922         trydropreference.
1923         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1924         Call trydropreference().
1925         * libitm.h (_ITM_dropReferences): Remove const attribute.
1926         * method-serial.cc (class serial_dispatch): Add trydropreference.
1927         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1928
1929 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1930
1931         * memcpy.cc (do_memcpy): Comment.
1932
1933 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1934
1935         * barrier.tpl: Add comments throughout.
1936
1937 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1938
1939         * method-wbetl.cc (struct w_entry): Add comments.
1940         (trycommit): Same.
1941         (rollback): Same.
1942
1943 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1944
1945         * alloc_c.cc (_ITM_dropReferences): New.
1946         * libitm.map (_ITM_dropReferences): Add.
1947         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1948         * libitm_i.h (struct gtm_transaction): Declare
1949         drop_references_allocations and drop_references_local.
1950         * local.cc (rollback_local): Ignore memory when applicable.
1951         (drop_references_local): New.
1952
1953 2010-06-23  Richard Henderson  <rth@redhat.com>
1954
1955         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1956         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1957         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1958         * config/alpha/target.h: Likewise.
1959         * config/generic/tls.cc (gtm_mask_stack): Use it.
1960
1961 2010-06-23  Richard Henderson  <rth@redhat.com>
1962
1963         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1964         a mutex instead of trying a lock-free compare-and-swap on the list.
1965         (gtm_cacheline_page::operator delete): Likewise.
1966
1967 2010-06-16  Richard Henderson  <rth@redhat.com>
1968
1969         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1970         that overlap the libitm stack.
1971         * barrier.tpl: Mark incoming stack.
1972         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1973         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1974         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1975         * memcpy.cc, memset.cc: Likewise.
1976         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1977         * config/generic/tls.h (gtm_thread): Add stack_top member.
1978         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1979         * libitm_i.h (gtm_mask_stack): Declare.
1980         * config/generic/tls.cc: New file.
1981         * Makefile.am (libitm_la_SOURCES): Add it.
1982         (AM_CXXFLAGS): Turn off exceptions.
1983         * Makefile.in: Rebuild.
1984
1985 2010-06-16  Richard Henderson  <rth@redhat.com>
1986
1987         * alloc.cc (struct gtm_alloc_action): Move definition ...
1988         * libitm_i.h: ... here.
1989         (class gtm_transaction): Declare new and delete.
1990         * beginend.cc (alloc_tx): Reformulate as operator new.
1991         (free_tx): Reformulate as operator delete.
1992         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1993
1994 2010-06-11  Richard Henderson  <rth@redhat.com>
1995
1996         * clone.cc (clone_entry_compare): Fix typo.
1997         From Patrik Marlier <patrick.marlier@unine.ch>.
1998
1999 2010-05-13  Richard Henderson  <rth@redhat.com>
2000
2001         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2002         in extern "C".
2003
2004 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2005
2006         * libitm_i.h (struct gtm_transaction): Remove
2007         get_allocation_size.
2008         (record_allocation): Remove size parameter.
2009         * libitm.map (_ITM_realloc): Remove.
2010         * alloc_c.cc (_ITM_realloc): Remove.
2011         (_ITM_malloc): Remove size argument to record_allocation.
2012         (_ITM_calloc): Same.
2013         * alloc_cpp.cc (_ZGTtnwm): Same.
2014         (_ZGTtnwmRKSt9nothrow_t): Same.
2015         (_ZGTtnam): Same.
2016         (_ZGTtnamRKSt9nothrow_t): Same.
2017         * alloc.cc (struct gtm_alloc_action): Remove size.
2018         (get_allocation_size): Remove.
2019         (commit_allocations): Add comment.
2020         (record_allocation): Remove size parameter.
2021         (forget_allocation): Remove set of size.
2022
2023 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2024
2025         * Makefile.am (abi_version): New.
2026         (AM_CXXFLAGS): Pass abi_version.
2027         * Makefile.in: Regenerate.
2028         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2029
2030 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2031
2032         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2033         _ITM_getTMCloneOrIrrevokable.
2034         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2035         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2036
2037 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2038
2039         * configure.ac: Remove Linux futex support.
2040         * configure.tgt (config_path): Same.
2041         * Makefile.am: Same.
2042         * config/linux: Remove entire directory.
2043         * configure: Rebuild.
2044         * Makefile.in: Rebuild.
2045         * testsuite/Makefile.in: Rebuild.
2046
2047 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2048
2049         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2050         switching to serial mode.
2051         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2052
2053 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2054
2055         * configure.tgt: Add emacs -*- tags.
2056         * barrier.tpl: Same.
2057
2058 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2059
2060         * Makefile.am: Rename serial.cc to method-serial.cc.
2061         * Makefile.in: Regenerate with automake 1.11.1.
2062         * testsuite/Makefile.in: Same.
2063         * aclocal.m4: Regenerate with aclocal 1.11.1.
2064         * method-serial.cc: Rename from serial.cc.
2065         * libitm_i.h (struct gtm_transaction): Update comment on
2066         serialirr_mode.
2067
2068 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2069
2070         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2071         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2072
2073 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2074
2075         * configure: Rebuild.
2076
2077 2009-11-12  Richard Henderson  <rth@redhat.com>
2078
2079         * Rewrite everything in C++.
2080
2081 2009-11-03  Richard Henderson  <rth@redhat.com>
2082
2083         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2084         * Makefile.am (libitm_la_SOURCES): Add them.
2085         * configure.ac (ARCH_X86): New conditional.
2086         * Makefile.in, configure: Rebuild.
2087         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2088         Move futex setup into "other system configury" case.
2089         * local.c (rollback_local): Merge into ...
2090         (GTM_rollback_local): ... here.
2091         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2092         (_ITM_LB): Define as an alias to GTM_LB.
2093
2094 2009-11-03  Richard Henderson  <rth@redhat.com>
2095
2096         * method-readonly.c: New file.
2097         * Makefile.am (libitm_la_SOURCES): Add it.
2098         * Makefile.in: Rebuild.
2099         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2100         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2101         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2102         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2103         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2104         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2105         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2106         gtm_get_clock, gtm_inc_clock): New.
2107         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2108         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2109         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2110         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2111         replace uses with new libitm_i.h symbols.
2112         (dispatch_wbetl): Rename from wbetl_dispatch.
2113         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2114         away from dispatch_readonly; abort if the beginTransaction call
2115         asserted that the transaction was readonly.
2116
2117 2009-11-03  Richard Henderson  <rth@redhat.com>
2118
2119         * memset.c: New file.
2120         * Makefile.am (libitm_la_SOURCES): Add it.
2121         * Makefile.in: Rebuild.
2122         * testsuite/libitm.c/memset-1.c: New.
2123
2124 2009-11-03  Richard Henderson  <rth@redhat.com>
2125
2126         * dispatch.c: Remove file.
2127         * useraction.c (struct gtm_user_action): Move from libitm.h.
2128         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2129         (serial_memset, serial_memmove, serial_memcpy): Remove.
2130         (serial_W*, serial_R*): Remove.
2131         (serial_dispatch): Update to match.
2132         * configure.ac: Move Werror down below configure checks.  Don't
2133         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2134         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2135         Use GCC_AC_FUNC_MMAP_BLACKLIST
2136         * libitm.h: Split out all internal items to...
2137         * libitm_i.h: ... here.  New file.
2138         * copymask.c: New file.
2139         * local.c (struct gtm_local_undo): Move from libitm.h.
2140         (GTM_alloc_local): Rename from alloc_local; export.
2141         * memcpy.c: New file.
2142         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2143         * config/posix/page.c: New file.
2144         * config/posix/target_tls.h: Remove file.
2145         * barrier.c: New file.
2146         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2147         copymask.c, page.c.
2148         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2149         * method-wbetl.c: Rewrite for new cacheline methods.
2150         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2151
2152         * config/alpha/sjlj.S: Fix typo.
2153         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2154         * config/alpha/copymask.c: New file.
2155         * config/alpha/target.h (CACHELINE_SIZE): New.
2156         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2157
2158         * config/x86/target_i.h: Copy functions from x86/target.h.
2159         * config/x86/copymask.c: New file.
2160         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2161         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2162         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2163         * config/x86/target_tls.h: Move contents to target_i.h.
2164
2165         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2166         * testsuite/libitm.c/memcpy-1.c: New.
2167
2168 2009-10-22  Richard Henderson  <rth@redhat.com>
2169
2170         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2171         (AM_CCASFLAGS): New.
2172         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2173         saving/restoring _AC_ARG_VAR_PRECIOUS.
2174         * Makefile.in, aclocal.m4, config.h.in, configure,
2175         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2176
2177 2009-10-22  Richard Henderson  <rth@redhat.com>
2178
2179         * testsuite/*: Update for new compiler syntax.
2180
2181 2009-10-21  Richard Henderson  <rth@redhat.com>
2182
2183         * libitm.h (_ITM_abortReason): Add outerAbort.
2184
2185 2009-08-03  Richard Henderson  <rth@redhat.com>
2186
2187         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2188         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2189         * method-wbetl.c (struct w_entry): Remove mask.
2190         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2191         adjust all callers.
2192
2193 2009-07-22  Richard Henderson  <rth@redhat.com>
2194
2195         * eh_cpp.c: New file.
2196         * Makefile.am (libitm_la_SOURCES): Add it.
2197         * Makefile.in: Rebuild.
2198         * beginend.c (GTM_rollback_transaction): Undo exception state.
2199         (GTM_trycommit_transaction): Mark inline.
2200         (GTM_trycommit_and_finalize_transaction): Split out from ...
2201         (_ITM_commitTransaction): ... here.
2202         (_ITM_commitTransactionEH): New function.
2203         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2204         cxa_unthrown, eh_in_flight; reorder.
2205
2206         * testsuite/libitm.c++/c++.exp: New.
2207         * testsuite/libitm.c++/eh-1.C: New.
2208
2209         * aatree.c (aa_free): Remove REGPARM.
2210         * aatree.h: Remove all REGPARM.
2211
2212 2009-07-18  Richard Henderson  <rth@redhat.com>
2213
2214         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2215         * Makefile.am (libitm_la_SOURCES): Add them.
2216         * Makefile.in: Rebuild.
2217         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2218         (GTM_trycommit_transaction): Likewise.
2219         * libitm.h: Include aatree.h
2220         (struct gtm_alloc_action): New.
2221         (struct gtm_transaction): Add alloc_actions.
2222         (GTM_record_allocation, GTM_forget_allocation): Declare.
2223         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2224         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2225         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2226         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2227         _ZGTtdaPvRKSt9nothrow_t): Export.
2228
2229 2009-07-18  Richard Henderson  <rth@redhat.com>
2230
2231         * target_tls.h: Move ...
2232         * config/posix/target_tls.h: ... here.
2233
2234 2009-07-07  Richard Henderson  <rth@redhat.com>
2235
2236         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2237
2238 2009-07-07  Richard Henderson  <rth@redhat.com>
2239
2240         * Update to GPL3.
2241
2242 2009-07-07  Richard Henderson  <rth@redhat.com>
2243
2244         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2245         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2246
2247         * configure.tgt: Don't use -ftls-model for x86 linux.
2248         * libitm.h: Include target.h after standard includes.
2249         (_gtm_thr): Rename from gtm_thr.
2250         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2251         (gtm_disp, set_gtm_disp): New.
2252         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2253         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2254         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2255
2256 2009-07-07  Richard Henderson  <rth@redhat.com>
2257
2258         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2259
2260 2009-07-06  Richard Henderson  <rth@redhat.com>
2261
2262         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2263         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2264         (_ITM_beginTransaction): Take variadic arguments.
2265         (_ITM_registerThrownObject): Declare.
2266         * beginend.c, serial.c: Update.
2267         * libitm.map: Add _ITM_registerThrownObject.
2268
2269 2009-01-28  Richard Henderson  <rth@redhat.com>
2270
2271         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2272         * Makefile.in: Rebuild.
2273         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2274         (GTM_restart_transaction): Fix uninstrumented code check.
2275         * retry.c (GTM_decide_retry_strategy): Add serial check.
2276         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2277         automatically go irrevokable when in serial mode.
2278         * clone.c: New file.
2279         * libitm.h, libitm.map: Update.
2280
2281 2009-01-27  Richard Henderson  <rth@redhat.com>
2282
2283         * Makefile.am (LTCCASCOMPILE): Define.
2284         (libitm_la_SOURCES): Add methid-wbetl.c.
2285         * testsuite/Makefile.am: New
2286         * configure.ac: Add testsuite/Makefile.
2287         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2288         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2289         (_ITM_abortTransaction): Finalize implementation method; pass
2290         transaction properties to longjmp.
2291         (GTM_restart_transaction): Split out from ...
2292         (_ITM_commitTransaction): ... here.
2293         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2294         Move to config/x86/target.h.
2295         * config/linux/alpha/futex_bits.h: New.
2296         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2297         * config/x86/target.h: Disable target types for 32-bit.
2298         * config/alpha/sjlj.S, config/alpha/target.h: New.
2299         * libitm.h (struct gtm_dispatch): Add init, fini.
2300         (enum restart_reason): New.
2301         (struct gtm_transaction): Add method and restarts.
2302         * retry.c (GTM_decide_retry_strategy): Implement.
2303         * serial.c (serial_init, serial_fini): New.
2304         (GTM_serialmode): Finialize outgoing method.
2305         * method-wbetl.c: New.
2306
2307 2008-12-09  Richard Henderson  <rth@redhat.com>
2308
2309         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2310         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2311         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2312         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2313         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2314         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2315         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2316         * serial.c (serial_R##T, serial_W##T): Likewise.
2317
2318 2008-11-21  Richard Henderson  <rth@redhat.com>
2319
2320         * Initial commit.
2321 \f
2322 Copyright (C) 2008-2022 Free Software Foundation, Inc.
2323
2324 Copying and distribution of this file, with or without modification,
2325 are permitted in any medium without royalty provided the copyright
2326 notice and this notice are preserved.