libitm/ChangeLog

   1 2023-05-29  Release Manager
   2
   3         * GCC 11.4.0 released.
   4
   5 2022-04-21  Release Manager
   6
   7         * GCC 11.3.0 released.
   8
   9 2021-07-28  Release Manager
  10
  11         * GCC 11.2.0 released.
  12
  13 2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
  14
  15         Backported from master:
  16         2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
  17
  18         PR libstdc++/91488
  19         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
  20
  21 2021-04-27  Release Manager
  22
  23         * GCC 11.1.0 released.
  24
  25 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
  26
  27         PR target/70454
  28         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
  29         be added through preprocessor check on
  30         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
  31
  32 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  33
  34         * configure: Re-generate.
  35
  36 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  37
  38         * libitm.texi: Bump @copying's copyright year.
  39
  40 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  41
  42         PR target/97865
  43         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  44         * configure: Regenerate.
  45
  46 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  47
  48         * configure: Regenerate.
  49
  50 2020-10-01  Alan Modra  <amodra@gmail.com>
  51
  52         * config/powerpc/sjlj.S: Support __PCREL__ code.
  53
  54 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  55
  56         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  57
  58 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  59
  60         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  61         and add BTI c to function entries.
  62
  63 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  64
  65         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  66
  67 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  68
  69         PR bootstrap/95413
  70         * configure: Regenerated.
  71
  72 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         PR bootstrap/95147
  75         * configure: Regenerated.
  76
  77 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  78
  79         * configure: Regenerated.
  80
  81 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  82
  83         Fix throw specifiers on interface.
  84         * libitm/libitm.h (_ITM_NOTHROW): Define.
  85         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  86         (_ITM_cxa_begin_catch): Use it.
  87         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  88         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  89         __cxa_get_globals.
  90         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  91         (_ITM_cxa_begin_catch): Likewise.
  92
  93 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  94
  95         * testsuite/lib/libitm.exp (libitm_init): Add
  96         -fdiagnostics-color=never to options.
  97
  98 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  99
 100         PR libstdc++/79193
 101         PR libstdc++/88999
 102
 103         * configure: Regenerated.
 104
 105 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
 106
 107         * configure.ac: Handle `--with-toolexeclibdir='.
 108         * Makefile.in: Regenerate.
 109         * aclocal.m4: Regenerate.
 110         * configure: Regenerate.
 111         * testsuite/Makefile.in: Regenerate.
 112
 113 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 114
 115         Update copyright years.
 116
 117         * libitm.texi: Bump @copying's copyright year.
 118
 119 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 120
 121         PR libgomp/91938
 122         * configure.tgt: Avoid IE tls on *-*-musl*.
 123
 124 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 125
 126         * configure: Regenerate.
 127
 128 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 129
 130         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 131
 132 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 133
 134         * configure.tgt: Handle *-*-uclinux*.
 135         * configure: Regenerate.
 136
 137 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 138
 139         * configure: Regenerate.
 140
 141 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 142
 143         PR other/79543
 144         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 145         scanning to conform to the GNU Coding Standards.
 146         * configure: Regenerate.
 147
 148 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 149
 150         * Makefile.am (finclude): Remove.
 151         * Makefile.in: Regenerated.
 152
 153 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 154
 155         Update copyright years.
 156
 157 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 158
 159         * libitm.texi: Bump @copying's copyright year.
 160
 161 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 162
 163         PR c++/88482
 164         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 165         void * to void (*) (void *).
 166         (_ITM_cxa_throw): Likewise.
 167         * libitm.h (_ITM_cxa_throw): Likewise.
 168         * libitm.texi (_ITM_cxa_throw): Likewise.
 169
 170 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 171
 172         * config/powerpc/target.h (htm_available):  Add support for
 173         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 174
 175 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 176
 177         PR bootstrap/82856
 178         * Makefile.am: Include multilib.am.
 179         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 180         (CLEANFILES): Remove libitm.info.
 181         * configure.ac: Remove AC_PREREQ.
 182         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 183         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 184         Regenerate.
 185
 186 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 187
 188         PR libitm/86293
 189         * method-serial.cc: Mark varible as potentially unused
 190         to silence warning.
 191
 192 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 193
 194         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 195         absolute relocation in a shared library.
 196
 197 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 198
 199         PR libitm/85988
 200         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 201         __private_tm as base.
 202         (SEG_WRITE): Likewise.
 203         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 204         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 205         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 206         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 207         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 208
 209 2018-05-17  Jason Merrill  <jason@redhat.com>
 210
 211         * beginend.cc (save): Disable -Werror=deprecated-copy.
 212
 213 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 214
 215         PR testsuite/85106
 216         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 217
 218 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 219
 220         PR testsuite/85106
 221         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 222
 223 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 224
 225         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 226         (__CET__ & 2) != 0 check for shadow stack.
 227         (GTM_longjmp): Likewise.
 228
 229 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 230
 231         * configure: Regenerated.
 232
 233 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 234
 235         PR target/85489
 236         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 237
 238 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 239
 240         * configure: Regenerated.
 241
 242 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 243
 244         PR jit/85384
 245         * configure: Regenerate.
 246
 247 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 248
 249         PR target/84148
 250         * configure: Regenerate.
 251
 252 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 253
 254         Update copyright years.
 255
 256         * libitm.texi: Bump @copying's copyright year.
 257
 258 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 259
 260         * Makefile.in: Regenerate.
 261         * acinclude.m4: Add enable.m4 and cet.m4.
 262         * config/x86/sjlj.S: Include cet.h.
 263         (_ITM_beginTransaction): Add _CET_ENDBR.
 264         Save Shadow Stack pointer.
 265         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 266         * config/x86/target.h (struct gtm_jmpbuf):
 267         Add new field for Shadow Stack pointer.
 268         * configure: Regenerate.
 269         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 270         * configure.ac: Update libtool_VERSION for x86.
 271         * testsuite/Makefile.in: Regenerate.
 272
 273 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 274
 275         * libitm/config/x86/target.h: Add new field (ssp).
 276         * libitm/config/x86/sjlj.S: Change offsets.
 277
 278 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 279
 280         * testsuite/lib/libitm.exp: Load scanlang.exp.
 281
 282 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 283
 284         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 285
 286 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 287
 288         PR other/79046
 289         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 290         of cat to get version from BASE-VER file.
 291         * testsuite/Makefile.in: Regenerated.
 292
 293 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 294
 295         * config/x86/target.h (htm_available): Determine vendor from
 296         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 297
 298 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 299
 300         * config/x86/target.h (htm_available): Add check for some processors
 301         on which TSX is broken.
 302
 303 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 304
 305         PR other/79046
 306         * configure.ac: Add GCC_BASE_VER.
 307         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 308         get version from BASE-VER file.
 309         * testsuite/Makefile.in: Regenerated.
 310         * configure: Regenerated.
 311         * Makefile.in: Regenerated.
 312
 313 2017-01-04  Alan Modra  <amodra@gmail.com>
 314
 315         * Makefile.in: Regenerate.
 316         * testsuite/Makefile.in: Regenerate.
 317
 318 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 319
 320         Update copyright years.
 321
 322         * libitm.texi: Bump @copying's copyright year.
 323
 324 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 325
 326         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 327         * aclocal.m4: Regenerate.
 328         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 329         LIBITM_CHECK_LINKER_HWCAP.
 330
 331 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 332
 333         * configure: Regenerate.
 334
 335 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 336
 337         PR libitm/70456
 338         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 339         on cache line if requested.
 340
 341 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 342
 343         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 344         function attribute to disable floating point in begin_transaction() on
 345         S/390.
 346         * beginend.cc (begin_transaction): Use
 347         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 348
 349 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 350
 351         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 352         boundary.
 353         (htm_fastpath): Remove.
 354         (gtm_thread::begin_transaction): Fix HTM fastpath.
 355         (_ITM_commitTransaction): Adapt.
 356         (_ITM_commitTransactionEH): Adapt.
 357         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 358         and accessors.
 359         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 360         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 361         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 362         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 363         * libitm/method-serial.cc (htm_mg): Adapt.
 364         (gtm_thread::serialirr_mode): Adapt.
 365         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 366
 367 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 368
 369         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 370         or AIX.
 371
 372 2016-01-19  Richard Henderson  <rth@redhat.com>
 373
 374         PR bootstrap/69343
 375         PR bootstrap/69339
 376         Revert:
 377         2016-01-13  Richard Henderson  <rth@redhat.com>
 378
 379         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 380         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 381         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 382         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 383         * configure.ac (ARCH_AARCH64): New conditional.
 384         (ARCH_PPC, ARCH_S390): Likewise.
 385         * Makefile.in, configure: Rebuild.
 386
 387         * libitm.h (_ITM_TYPE_M128): Always define.
 388         * vect64.cc: Split ...
 389         * vect128.cc: ... out of...
 390         * config/x86/x86_sse.cc: ... here.
 391         * config/arm/neon.cc: New file.
 392
 393 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 394
 395         * local_type_traits: Remove file.
 396         * libitm_i.h: Don't include it anymore.
 397         (sized_integral): Remove.
 398
 399 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 400
 401         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 402         safety.
 403         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 404         * libitm/testsuite/libitm.c/priv-1.c: New.
 405
 406 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 407
 408         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 409
 410 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 411
 412         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 413         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 414         (gtm_rwlock::write_unlock): Likewise.
 415
 416 2016-01-13  Richard Henderson  <rth@redhat.com>
 417
 418         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 419         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 420         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 421         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 422         * configure.ac (ARCH_AARCH64): New conditional.
 423         (ARCH_PPC, ARCH_S390): Likewise.
 424         * Makefile.in, configure: Rebuild.
 425
 426         * libitm.h (_ITM_TYPE_M128): Always define.
 427         * vect64.cc: Split ...
 428         * vect128.cc: ... out of...
 429         * config/x86/x86_sse.cc: ... here.
 430         * config/arm/neon.cc: New file.
 431
 432 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 433
 434         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 435         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 436         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 437         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 438         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 439         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 440         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 441         (serialirr_dispatch::snapshot_most_recent): New.
 442         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 443
 444 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 445
 446         * libitm_i.h (gtm_mask_stack): Remove.
 447         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 448         * stmlock.h: Remove file.
 449         * config/alpha/cacheline.h: Likewise.
 450         * config/generic/cacheline.h: Likewise.
 451         * config/powerpc/cacheline.h: Likewise.
 452         * config/sparc/cacheline.h: Likewise.
 453         * config/x86/cacheline.h: Likewise.
 454
 455 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 456
 457         Update copyright years.
 458
 459         * libitm.texi: Bump @copying's copyright year.
 460
 461 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 462
 463         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 464         (ml_wt_dispatch::pre_write): Adapt.
 465         (ml_wt_dispatch::pre_load): Likewise.
 466
 467 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 468
 469         * libitm_i.h (gtm_alloc_action): Remove union.
 470         * testsuite/libitm.c/alloc-1.c: New.
 471
 472 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 473
 474         * testsuite/libitm.c++/eh-5.C: New.
 475         * libitm.h (_ITM_cxa_free_exception): New.
 476         * libitm.map (_ITM_cxa_free_exception): Add it.
 477         * libitm.texi: Update ABI docs.
 478         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 479         (gtm_transaction_cp::cxa_uncaught_count): Add.
 480         (gtm_thread::cxa_unthrown): Remove.
 481         (gtm_thread::cxa_uncaught_count_ptr): Add.
 482         (gtm_thread::cxa_uncaught_count): Add.
 483         (gtm_thread::drop_references_allocations): Rename to...
 484         (gtm_thread::discard_allocation): ... this and adapt.
 485         (gtm_thread::init_cpp_exceptions): New.
 486         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 487         (gtm_thread::begin_transaction): Likewise.
 488         (gtm_transaction_cp::save): Likewise.
 489         (gtm_thread::trycommit): Likewise.
 490         * eh_cpp.cc: Add overview comments.
 491         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 492         (free_any_exception, _ITM_cxa_free_exception): New.
 493         (gtm_thread::init_cpp_exceptions): Define.
 494         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 495         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 496         (gtm_thread::revert_cpp_exceptions): Likewise.
 497
 498 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 499
 500         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 501         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 502         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 503         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 504         (gtm_thread::forget_allocations): New overload with size_t argument.
 505         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 506         adapt existing one.
 507         (gtm_thread::record_allocation): Adapt.
 508         (gtm_thread::commit_allocations_1): Adapt.
 509         (gtm_thread::commit_allocations_2): Adapt.
 510         * testsuite/libitm.c++/newdelete.C: New.
 511
 512 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 513             Joseph Myers  <joseph@codesourcery.com>
 514             Mark Shinwell  <shinwell@codesourcery.com>
 515             Andrew Stubbs  <ams@codesourcery.com>
 516             Rich Felker <dalias@libc.org>
 517
 518         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 519         GTM_begin_transaction for compatibility with FDPIC.
 520
 521 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 522
 523         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 524         using load_gcc_lib.
 525
 526 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 527
 528         PR libitm/61164
 529         * local_atomic (__always_inline): Rename to...
 530         (__libitm_always_inline): ... this.
 531
 532 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 533
 534         PR target/52482
 535         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 536
 537 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 538
 539         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 540         operands "op" and "val" to int.
 541
 542 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 543
 544         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 545         "op" and "val" to int.
 546
 547 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 548
 549         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 550         "op" and "val" to int.
 551
 552 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 553
 554         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 555         Declare as static int.
 556         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 557         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 558
 559 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 560
 561         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 562         sys_futex0 function.
 563
 564 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 565
 566         * Makefile.in: Regenerated with automake-1.11.6.
 567         * aclocal.m4: Likewise.
 568         * configure: Likewise.
 569         * testsuite/Makefile.in: Likewise.
 570
 571 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 572
 573         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 574         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 575
 576 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 577
 578         PR libitm/64360
 579         * libitm.c/stackundo.c (test2): Make it static.
 580         (test1): Likewise.
 581
 582 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 583
 584         Update copyright years.
 585
 586 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 587
 588         * libitm.texi: Bump @copying's copyright year.
 589
 590 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 591
 592         * testsuite/lib/libitm.exp: Load target-utils.exp.
 593         Move load of target-supports.exp earlier.
 594
 595 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 596
 597         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 598
 599 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 600
 601         PR bootstrap/63784
 602         * configure: Regenerated.
 603
 604 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 605
 606         PR target/63610
 607         * configure: Regenerate.
 608
 609 2014-10-06  Marek Polacek  <polacek@redhat.com>
 610
 611         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 612         * testsuite/libitm.c/memset-1.c: Likewise.
 613
 614 2014-07-24  Richard Henderson  <rth@redhat.com>
 615
 616         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 617         addressing mode in epilogue.
 618
 619 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 620
 621         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 622         -mclear-hwcap instead.
 623         * configure: Regenerate.
 624         * clearcap.map: Remove.
 625
 626 2014-05-21  John Marino  <gnugcc@marino.st>
 627
 628         * configure.tgt (*-*-dragonfly*): New target.
 629
 630 2014-05-19  Richard Henderson  <rth@redhat.com>
 631
 632         * config/aarch64/sjlj.S: New file.
 633         * config/aarch64/target.h: New file.
 634         * configure.tgt: Enable aarch64.
 635
 636 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 637
 638         * config/generic/asmcfi.h: Also check for
 639         __GCC_HAVE_DWARF2_CFI_ASM.
 640
 641 2013-04-02  Richard Henderson  <rth@redhat.com>
 642
 643         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 644         * config/arm/target.h, config/sh/target.h: Likewise.
 645         * config/sparc/target.h, config/x86/target.h: Likewise.
 646
 647 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 648
 649         * config/linux/futex_bits.h: Include errno.h.
 650         (sys_futex0): If syscall returns -1, return -errno rather than
 651         -1.
 652
 653 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 654
 655         * libitm.texi (Index): Rename to Library Index.
 656
 657 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 658
 659         PR libitm/53113
 660         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 661         (x86_avx.lo): Append -mavx to CXXFLAGS.
 662         * Makefile.in: Regenerate.
 663
 664 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 665
 666         Update copyright years
 667
 668 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 669
 670         * libitm.texi: Bump @copying's copyright year.
 671
 672 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 673
 674         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 675         (FUNC): Define ELFv2 variant.
 676         (END): Likewise.
 677         (HIDDEN): Likewise.
 678         (CALL): Likewise.
 679         (BASE): Likewise.
 680         (LR_SAVE): Likewise.
 681
 682 2013-09-20  Alan Modra  <amodra@gmail.com>
 683
 684         * configure: Regenerate.
 685
 686 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 687
 688         * config/posix/rwlock.cc: Fix initialization order.
 689
 690 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 691
 692         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 693         (htm_fastpath): Assign an asm name.
 694         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 695         HTM fast paths.
 696         (_ITM_actions): Likewise.
 697         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 698         x86_64.
 699         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 700         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 701         field to the start of the structure.
 702         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 703         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 704         handling for custom HTM fast paths.
 705
 706 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 707         Revert:
 708         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 709
 710         * configure.tgt: Add -msoft-float to XCFLAGS.
 711
 712 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 713
 714         * configure.tgt: Add -msoft-float to XCFLAGS.
 715
 716 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 717
 718         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 719         (htm_transaction_active): Enable zEC12 instructions in the
 720         assembler.
 721         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 722
 723 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 724
 725         * acinclude.m4: Add htm asm check for s390.
 726         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 727         * configure: Regenerate.
 728         * config/s390/target.h: Remove __HTM__ check.
 729         (htm_available): Call getauxval to get hwcaps and check whether
 730         HTM is available or not.
 731
 732 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 733
 734         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 735         * configure.ac: Use it.
 736         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 737         (AC_CHECK_FUNCS): Check for getauxval.
 738         * config.h.in, configure: Rebuild.
 739         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 740         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 741         (USE_HTM_FASTPATH): Define.
 742         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 743         _HTM_RETRIES) New macros.
 744         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 745         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 746
 747 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 748
 749         * config/s390/target.h: Include htmintrin.h.
 750         (_HTM_ITM_RETRIES): New macro definition.
 751         (htm_available, htm_init, htm_begin, htm_begin_success)
 752         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 753
 754 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 755             Cesar Philippidis  <cesar@codesourcery.com>
 756
 757         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 758         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 759         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 760         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 761
 762 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 763
 764         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 765         (_ITM_getTransactionId): Same.
 766         * config/x86/target.h (htm_transaction_active): New.
 767
 768 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 769
 770         PR libitm/57643
 771         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 772         the HTM fastpath.
 773
 774 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 775
 776         PR bootstrap/56714
 777         * local_atomic (__always_inline): Always define our version.
 778         (__calculate_memory_order): Mark inline.
 779         (atomic_thread_fence): Ditto.
 780         (atomic_signal_fence): Ditto.
 781         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 782         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 783         (atomic_bool::atomic_flag_test_and_set): Ditto.
 784         (atomic_bool::atomic_flag_clear): Ditto.
 785
 786 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 787
 788         * config/s390/sjlj.S: New file.
 789         * config/s390/target.h: New file.
 790         * configure.tgt: Set options for S/390.
 791
 792 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 793
 794         * local_atomic (__always_inline): Add.
 795         (__calculate_memory_order, atomic_thread_fence,
 796          atomic_signal_fence, test_and_set, clear, store, load,
 797          exchange, compare_exchange_weak, compare_exchange_strong,
 798          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 799         Add __always_inline to force inlining.
 800
 801 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 802             Jack Howarth  <howarth@bromo.med.uc.edu>
 803             Patrick Marlier  <patrick.marlier@gmail.com>
 804
 805         PR libitm/55693
 806         * alloc_cpp.cc: Enable function declarations on darwin.
 807         * eh_cpp.cc: Likewise.
 808
 809 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 810
 811         Update copyright years.
 812
 813 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 814
 815         * beginend.cc (htm_fastpath): New.
 816         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 817         _ITM_commitTransactionEH): Add HTM fastpath handling.
 818         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 819         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 820         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 821         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 822         * configure.tgt: Add -mrtm to XCFLAGS.
 823         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 824         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 825         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 826         * retry.cc (parse_default_method): Add HTM method parsing.
 827         (gtm_thread::number_of_threads_changed): Use HTM by default if
 828         available.
 829
 830 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 831
 832         * configure: Regenerate.
 833
 834 2012-10-31  Richard Henderson  <rth@redhat.com>
 835
 836         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 837         * configure.ac: Use it.
 838         * config.h.in, configure: Rebuild.
 839         * testsuite/Makefile.in: Rebuild.
 840
 841 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 842
 843         * libitm.texi: Clarify ABI requirements for data-logging functions.
 844
 845 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 846
 847         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 848         it requires serial mode instead of assuming that for certain
 849         dispatchs.
 850         * dispatch.h (abi_dispatch::requires_serial): New.
 851         (abi_dispatch::abi_dispatch): Adapt.
 852         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 853         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 854         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 855         serial_dispatch::serial_dispatch,
 856         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 857
 858 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 859
 860         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 861         and ia32 declarations some more.
 862         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 863
 864 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 865
 866         PR other/43620
 867         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 868         * configure: Regenerate.
 869         * Makefile.in: Regenerate.
 870
 871 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 872
 873         * configure: Regenerated.
 874
 875 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 876
 877         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 878
 879 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 880
 881         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 882
 883 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 884
 885         * configure: Regenerated.
 886
 887 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 888
 889         PR libitm/52854
 890         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 891         for x86-64.
 892
 893 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 894
 895         * configure: Regenerate.
 896
 897 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 898
 899         PR bootstrap/52812
 900         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 901
 902 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 903
 904         * testsuite/lib/libitm.exp: load fortran-modules.exp
 905
 906 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 907
 908         * configure.tgt (*-*-irix6*): Remove.
 909
 910 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 911
 912         PR libitm/52526
 913         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 914         wake-up.
 915
 916 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 917
 918         * configure.tgt (*-*-osf*): Remove.
 919         * configure: Regenerate.
 920
 921 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 922
 923         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 924         memtransfer/memset if size isn't larger than zero.
 925
 926 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 927
 928         * libitm.texi: Link to specification and add a usage example.
 929
 930 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 931
 932         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 933         default dispatch for more than 1 thread to ml_wt.
 934
 935 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 936
 937         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 938
 939 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 940
 941         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 942
 943 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 944
 945         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 946         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 947         (gl_wt_dispatch.rollback): Same.
 948
 949 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 950
 951         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 952
 953 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 954
 955         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 956         for RfW src.  Optimize number of calls to gtm_thr.
 957
 958 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 959
 960         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 961         acquisition to ...
 962         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 963         (default_dispatch): Make atomic.
 964         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 965         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 966         use decide_begin_dispatch() if default_dispatch might have changed.
 967         (GTM::gtm_thread::number_of_threads_changed): Initialize
 968         default_dispatch here.
 969
 970 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 971             Patrick Marlier  <patrick.marlier@gmail.com>
 972
 973         PR libitm/52220
 974         * alloc_cpp.cc: No dummy definitions for darwin.
 975         * eh_cpp.cc: Likewise.
 976
 977 2012-02-14  Richard Henderson  <rth@redhat.com>
 978
 979         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 980
 981 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 982
 983         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 984
 985 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 986
 987         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 988         (GTM::gtm_thread): Add read and write logs.
 989         (GTM::dispatch_ml_wt): Declare.
 990         * retry.cc (parse_default_method): Support ml_wt.
 991         * method-ml.cc: New file.
 992         * Makefile.am: Add method-ml.cc.
 993         * Makefile.in: Regenerate.
 994
 995 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 996
 997         * dispatch.h (GTM::abi_dispatch::supports): New.
 998         (GTM::method_group::reinit): New.
 999         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
1000         (GTM::gtm_thread::number_of_threads_changed): Check that the method
1001         supports the current situation.
1002
1003 2012-02-14  Torvald Riegel  <triegel@redhat.com>
1004
1005         * util.cc (GTM::xcalloc): New.
1006         * common.h (GTM::xcalloc): Declare.
1007
1008 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1009
1010         * config/sparc/target.h (cpu_relax): Read from CC register.
1011         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
1012
1013 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1014
1015         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1016
1017 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1018
1019         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1020         * config/sparc/cacheline.h: New file.
1021         * config/sparc/target.h: Likewise.
1022         * config/sparc/sjlj.S: Likewise.
1023         * config/linux/sparc/futex_bits.h: Likewise.
1024
1025 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1026
1027         * configure.ac (link_itm): Fix comment.
1028         * configure: Regenerate.
1029         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1030
1031 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1032
1033         PR libitm/51822
1034         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1035         Correct libgomp references.
1036
1037 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1038
1039         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1040         wake-up.
1041
1042 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1043
1044         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1045         end of structure.
1046         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1047         offset values.  Do not copy return address.  Decrement stack
1048         by 56 bytes only.
1049         (GTM_longjump) [__x86_64__]: Update offset values.
1050
1051 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1052
1053         PR libitm/51830
1054         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1055         the first function argument to %eax.
1056
1057 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1058
1059         * libitm.h (_ITM_getThreadnum): Remove.
1060         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1061
1062 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1063
1064         * clearcap.map: New file.
1065         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1066         * configure.ac: Call it.
1067         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1068         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1069         * configure: Regenerate.
1070         * Makefile.in: Regenerate.
1071         * testsuite/Makefile.in: Regenerate.
1072
1073 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1074
1075         PR libitm/51173
1076         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1077         include, exclude options.
1078
1079 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1080
1081         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1082         rolling back.
1083         * containers.h (GTM::vector::set_size): New.
1084
1085 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1086
1087         PR libitm/51855
1088         * config/generic/tls.h (GTM::mask_stack_top): New.
1089         (GTM::mask_stack_bottom): Declare.
1090         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1091         * local.cc (gtm_undolog::rollback): Filter out any updates that
1092         overlap the libitm stack.  Add current transaction as parameter.
1093         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1094         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1095         * testsuite/libitm.c/stackundo.c: New test.
1096
1097 2012-01-10  Richard Henderson  <rth@redhat.com>
1098
1099         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1100         * eh_cpp.cc (_Unwind_DeleteException): Define for
1101         !HAVE_ELF_STYLE_WEAKREF.
1102
1103 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1104
1105         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1106         (GTM::gtm_thread::drop_references_undolog): Remove.
1107         (GTM::gtm_thread::commit_undolog,
1108         GTM::gtm_thread::rollback_undolog): Move to ...
1109         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1110         (GTM::gtm_undolog_entry): Remove.
1111         (GTM::gtm_thread): Adapt.
1112         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1113         (GTM::gtm_thread::trycommit): Adapt.
1114         * method-serial.cc (serial_dispatch::log): Adapt.
1115         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1116         (gl_wt_dispatch::store): Fix likely/unlikely.
1117         * containers.h (GTM::vector::resize): Add additional_capacity
1118         parameter and handle it.
1119         (GTM::vector::resize_noinline): New/adapt.
1120         (GTM::vector::push): New.
1121
1122 2012-01-06  Richard Henderson  <rth@redhat.com>
1123
1124         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1125         * config/linux/powerpc/futex_bits.h: New file.
1126         * config/powerpc/cacheline.h: New file.
1127         * config/powerpc/sjlj.S: New file.
1128         * config/powerpc/target.h: New file.
1129         * config/generic/asmcfi.h (cfi_offset): New.
1130         (cfi_restore, cfi_undefined): New.
1131
1132 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1133
1134         PR other/51171
1135         * testsuite/libitm.c/reentrant.c: Remove xfail.
1136         (thread): Pass x to pure().
1137         From Patrik Marlier <patrick.marlier@gmail.com>.
1138
1139 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1140
1141         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1142         privatization safety if already in serial mode.
1143
1144 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1145
1146         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1147         finish_serial_upgrade parameter.
1148         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1149         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1150         Don't unset reader flag.
1151         (GTM::gtm_rwlock::write_upgrade_finish): New.
1152         * config/posix/rwlock.cc: Same.
1153         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1154         Declare.
1155         * config/posix/rwlock.h: Same.
1156         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1157         flag after commit or after rollback when restarting.
1158
1159 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1160
1161         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1162         (GTM::gtm_thread::try_commit): Changed memory order.
1163         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1164         as parameter.
1165         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1166         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1167         * config/linux/futex_bits.h (sys_futex0): Same.
1168         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1169         * config/linux/futex.h (futex_wait, futex_wake): Same.
1170         * config/linux/rwlock.h (gtm_rwlock::writers,
1171         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1172         ints.
1173         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1174         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1175         gtm_rwlock::write_unlock): Fix memory orders and fences.
1176         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1177         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1178         gtm_rwlock::write_unlock): Same.
1179         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1180         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1181         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1182         Add comments.
1183         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1184         gl_wt_dispatch::load, gl_wt_dispatch::store,
1185         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1186         orders and fences.  Add comments.
1187
1188 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1189
1190         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1191         * Makefile.in: Regenerated.
1192
1193 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1194
1195         * configure.tgt: Add sh* case.
1196         * config/sh/target.h: New file.
1197         * config/sh/sjlj.S: New file.
1198         * config/linux/sh/futex_bits.h: New file.
1199
1200 2011-12-14  Richard Henderson  <rth@redhat.com>
1201
1202         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1203         * config/arm/sjlj.S, config/arm/target.h: New files.
1204         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1205         (cfi_rel_offset): New.
1206         * config/linux/futex_bits.h: New file.
1207         * config/linux/futex.cc: Include futex_bits.h here...
1208         * config/linux/futex.h: ... not here.
1209         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1210         * configure.ac (ARCH_AM): New conditional.
1211         * Makefile.in, configure: Rebuild.
1212         * configure.tgt: Handle ARM.
1213
1214 2011-12-13  Richard Henderson  <rth@redhat.com>
1215
1216         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1217         signed/unsigned comparison werror.
1218
1219         * local_atomic: New file.
1220         * libitm_i.h: Include it.
1221         (gtm_thread::shared_state): Use atomic template.
1222         * beginend.cc (GTM::gtm_clock): Use atomic template.
1223         (global_tid): Use atomic template if 64-bit atomics available.
1224         (gtm_thread::gtm_thread): Update shared_state access.
1225         (gtm_thread::trycommit): Likewise.
1226         (choose_code_path): Update global_tid access.
1227         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1228         * stmlock.h (GTM::gtm_clock): Use atomic template.
1229         (gtm_get_clock, gtm_inc_clock): Update accesses.
1230         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1231         redundant __sync_synchronize after atomic shared_state access.
1232         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1233         (gtm_rwlock::write_lock_generic): Likewise.
1234         (gtm_rwlock::read_unlock): Likewise.
1235         * config/alpha/target.h (atomic_read_barrier): Remove.
1236         (atomic_write_barrier): Remove.
1237         * config/x86/target.h (atomic_read_barrier): Remove.
1238         (atomic_write_barrier): Remove.
1239
1240 2011-11-30  Richard Henderson  <rth@redhat.com>
1241
1242         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1243         * beginend.c (_ITM_abortTransaction): Update to match.
1244         (GTM::gtm_thread::restart): Likewise.
1245         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1246         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1247
1248 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1249
1250         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1251         * Makefile.in: Regenerate.
1252
1253 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1254
1255         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1256         * alloc_cpp.cc: Generate dummy functions if we don't
1257         HAVE_ELF_STYLE_WEAKREF.
1258         * eh_cpp.cc: Likewise.
1259         * configure: Regenerate.
1260         * aclocal.m4:  Likewise.
1261         * config.h.in: Likewise.
1262         * Makefile.in: Likewise.
1263         * testsuite/Makefile.in: Likewise.
1264
1265 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1266
1267         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1268         __USER_LABEL_PREFIX__ for targets that use it.
1269         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1270         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1271         in portability to non-elf targets.
1272         (GTM_longjmp): Likewise.
1273         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1274         where required.
1275
1276 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1277
1278         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1279         * testsuite/libitm.c/memset-1.c: Likewise.
1280
1281 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1282
1283         * configure: Regenerate.
1284
1285 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1286
1287         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1288         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1289         * Makefile.am: Handle sun style versioning.
1290         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1291         * configure: Regenerate.
1292         * Makefile.in: Regenerate.
1293
1294 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1295
1296         * config/generic/asmcfi.h: Fix comment.
1297         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1298         sequence without .hidden support, error for non-ELF targets.
1299         (GTM_longjmp) [__ELF__]: Only use .hidden if
1300         HAVE_ATTRIBUTE_VISIBILITY.
1301
1302 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1303
1304         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1305         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1306         Dummy functions.
1307         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1308         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1309
1310 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1311
1312         PR bootstrap/51098
1313         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1314         * configure: Regenerate.
1315
1316 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1317
1318         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1319
1320 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1321
1322         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1323         .hidden.
1324         (.note.GNU-stack): Only use if __linux__.
1325         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1326         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1327         * testsuite/libitm.c/reentrant.c: Likewise.
1328         * testsuite/libitm.c/simple-2.c: Likewise.
1329         * testsuite/libitm.c/txrelease.c: Likewise.
1330         * testsuite/libitm.c++/static_ctor.C: Likewise.
1331
1332 2011-11-10  Richard Henderson  <rth@redhat.com>
1333
1334         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1335         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1336         * configure.ac (ARCH_X86_AVX): New conditional.
1337         * Makefile.in, configure: Rebuild.
1338
1339 2011-11-09  Richard Henderson  <rth@redhat.com>
1340
1341         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1342         * configure.ac: Use it.
1343         * config.h.in, configure: Rebuild.
1344         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1345
1346 2011-11-09  Richard Henderson  <rth@redhat.com>
1347
1348         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1349         * config/alpha/unaligned.h: Remove file.
1350         * config/generic/unaligned.h: Remove file.
1351         * config/x86/unaligned.h: Remove file.
1352         * config/generic/cachepage.h: Remove file.
1353         * config/posix/cachepage.cc: Remove file.
1354         * config/generic/cacheline.cc: Remove file.
1355         * config/x86/cacheline.cc: Remove file.
1356         * config/generic/cacheline.h (gtm_cacheline): Remove the
1357         store_mask, copy_mask, copy_mask_wb methods.
1358         * config/x86/cacheline.h: Likewise.
1359         * config/alpha/cacheline.h: Fall back to generic after setting size.
1360         * config/generic/tls.cc (gtm_mask_stack): Remove.
1361         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1362         (GTM_vpalignr_table): Remove.
1363         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1364         (GTM_pshift_table): Remove.
1365         * config/libitm_i.h: Don't include cachepage.h.
1366         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1367         * Makefile.in, testsuite/Makefile.in: Rebuild.
1368
1369 2011-11-09  Richard Henderson  <rth@redhat.com>
1370
1371         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1372         to emit branch prediction hint.
1373
1374         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1375         Protect .note.GNU-stack with __linux__.
1376
1377         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1378         * configure, aclocal.m4, config.h.in: Rebuild.
1379         * config/generic/asmcfi.h: New file.
1380         * config/x86/sjlj.S: Use it.
1381
1382 2011-11-08  Richard Henderson  <rth@redhat.com>
1383
1384         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1385
1386 2011-11-08  Richard Henderson  <rth@redhat.com>
1387
1388         * configure.tgt: Test correct directory for supported cpus.
1389
1390         * configure.ac: Exit if unsupported.
1391         * configure: Rebuild.
1392         * configure.tgt: Delete boilerplate from libgomp for unsupported
1393         targets.  Set UNSUPPORTED for unsupported targets.
1394
1395 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1396
1397         * configure.tgt: Handle i386 like i[456]86.
1398         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1399         take address.
1400         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1401         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1402
1403 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1404
1405         * method-wbetl.cc: Update copyright notice.
1406         * aatree.cc: Same.
1407         * util.cc: Same.
1408         * libitm.h: Same.
1409         * memset.cc: Same.
1410         * eh_cpp.cc: Same.
1411         * barrier.tpl: Same.
1412         * useraction.cc: Same.
1413         * stmlock.h: Same.
1414         * memcpy.cc: Same.
1415         * common.h: Same.
1416         * config/generic/tls.cc: Same.
1417         * config/generic/cacheline.h: Same.
1418         * config/generic/cachepage.h: Same.
1419         * config/generic/cacheline.cc: Same.
1420         * config/generic/unaligned.h: Same.
1421         * config/x86/cacheline.h: Same.
1422         * config/x86/cacheline.cc: Same.
1423         * config/x86/unaligned.h: Same.
1424         * config/alpha/cacheline.h: Same.
1425         * config/alpha/unaligned.h: Same.
1426         * config/alpha/sjlj.S: Same.
1427         * config/posix/cachepage.cc: Same.
1428         * config/linux/futex.h: Same.
1429         * config/linux/alpha/futex_bits.h: Same.
1430
1431 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1432
1433         * libitm.texi: No cover text and invariant sections.
1434
1435 2011-11-03  Richard Henderson  <rth@redhat.com>
1436
1437         * local_type_traits: New file.
1438         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1439
1440 2011-11-03  Richard Henderson  <rth@redhat.com>
1441
1442         * configure.ac: Don't test for gfortran.
1443         * configure: Rebuild.
1444
1445         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1446         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1447
1448 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1449
1450         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1451         * testsuite/libitm.c/memset-1.c: Same.
1452         * testsuite/libitm.c/c.exp: Same.
1453         * testsuite/lib/libitm-dg.exp: Same.
1454         * testsuite/lib/libitm.exp: Same.
1455         * testsuite/libitm.c++/c++.exp: Same.
1456
1457 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1458
1459         * testsuite/config/default.exp: Update copyright date.
1460         * configure.ac: Add copyright info.
1461         * configure.tgt: Same.
1462
1463 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1464
1465         * testsuite/libitm.c/reentrant.c: XFAIL.
1466         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1467
1468 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1469
1470         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1471         handle aborts.
1472         (_ITM_abortTransaction): Handle aborts of outer transactions.
1473         * libitm_i.h: Same.
1474         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1475         * libitm.texi: Document aborts of outer transactions.
1476         * testsuite/libitm.c/cancel.c: New file.
1477
1478 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1479
1480         * testsuite/*: Change __transaction to __transaction_atomic or
1481         __transaction_relaxed.
1482
1483 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1484
1485         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1486         (gtm_thr): Same.
1487
1488 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1489
1490         * libitm_i.h: Add gl_wt dispatch.
1491         * retry.cc (parse_default_method): Same.
1492         * method-gl.cc: New file.
1493         * Makefile.am: Use method-gl.cc.
1494         * Makefile.in: Rebuild.
1495
1496 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1497
1498         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1499         safety if requested by a TM method.
1500         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1501         privatization safety.
1502         * method-serial.cc: Same.
1503
1504 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1505
1506         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1507         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1508         undolog-related member functions from *_local to *_undolog.
1509         * local.cc (gtm_thread::commit_undolog): Same.
1510         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1511         (GTM::gtm_thread::rollback): Roll back undolog before
1512         dispatch-specific rollback.
1513
1514 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1515
1516         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1517         re-initialization of the current method group.
1518         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1519
1520 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1521
1522         * alloc.cc (commit_allocations_2): Do not free transaction-local
1523         memory when committing a nested transaction.
1524
1525 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1526
1527         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1528         serial-irrevocable dispatch, not serial.
1529
1530 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1531
1532         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1533         declarations.
1534         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1535         * method-serial.cc: Implement begin_or_restart().
1536         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1537         dispatch-specific begin_or_restart().
1538         (GTM::gtm_thread::restart): Same.
1539
1540 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1541
1542         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1543         restarting without switching to serial mode.
1544         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1545         transaction state. Choose closed-nesting alternative if available.
1546         (GTM::gtm_thread::set_default_dispatch): New.
1547         (parse_default_method): New.
1548         (GTM::gtm_thread::number_of_threads_changed): New.
1549         * method-serial.cc (GTM::serial_mg): New method group class.
1550         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1551         fini.
1552         (GTM::serial_dispatch): Same.
1553         (GTM::serialirr_onwrite_dispatch): Same.
1554         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1555         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1556         registered threads.
1557         (GTM::gtm_thread::gtm_thread): Same.
1558         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1559         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1560         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1561         choose dispatch but set state according to dispatch here.
1562         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1563         (GTM::method_group): New class.
1564         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1565         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1566         * libitm.texi: Document TM methods, method groups, method life cycle.
1567         Rename method sets to method groups.
1568
1569 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1570
1571         * config/x86/tls.h: Moved to ...
1572         * config/linux/x86/tls.h: ... here.
1573
1574 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1575
1576         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1577         Add X32 support.
1578         * config/x86/sjlj.S: Same.
1579
1580 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1581
1582         * config/linux/rwlock.h: New file.
1583         * config/linux/rwlock.c: New file.
1584         * configure.ac: Reenable futex support (undo SVN rev 157758).
1585         * Makefile.am: Same.
1586         * configure.tgt: Same.
1587         * config/linux/alpha/futex_bits.h: Same.
1588         * config/linux/futex.h: Same. Return number of woken processes.
1589         * config/linux/futex.cc: Same.
1590         (futex_wait): Remove spinning.
1591         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1592         Use __x86_64__ instead of __LP64__.
1593         * aclocal.m4: Include generic futex checks.
1594         * configure: Rebuild.
1595         * Makefile.in: Rebuild.
1596         * testsuite/Makefile.in: Rebuild.
1597         * beginend.cc: Include pthread.h.
1598         * config/posix/cachepage.cc: Same.
1599
1600 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1601
1602         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1603         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1604         (set_gtm_thr): New.
1605         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1606         (set_gtm_thr): New.
1607         (GTM::gtm_thread::thread_num): Removed.
1608         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1609         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1610         tx-to-thread renaming.
1611         * beginend.cc: Adapted to tx-to-thread renaming.
1612         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1613         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1614         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1615         gtm_transaction to gtm_thread.
1616         (_ITM_getThreadnum): Removed. Not supported anymore.
1617         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1618         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1619         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1620         gtm_tx-to-gtm_thr renaming if necessary.
1621         * eh_cpp.cc: Same.
1622         * local.cc: Same.
1623         * retry.cc: Same.
1624         * clone.cc: Same.
1625         * alloc.cc: Same.
1626         * alloc_c.cc: Same.
1627         * alloc_cpp.cc: Same.
1628         * method-serial.cc: Same.
1629         * config/generic/tls.cc: Same.
1630         * config/posix/rwlock.h (gtm_rwlock): Same.
1631         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1632
1633 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1634
1635         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1636         implementation.
1637         (gtm_rwlock::read_unlock): Same.
1638         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1639         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1640         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1641         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1642         w_upgrade. Replaced by per-transaction flags (in shared_state).
1643         Added c_confirmed_writers.
1644         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1645         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1646         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1647         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1648         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1649         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1650         * libitm.texi: Document locking conventions and implementations in
1651         libitm.
1652
1653 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1654
1655         * libitm_i.h (next_tx): Add list of all threads' transaction.
1656         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1657         transaction with list of transactions and ...
1658         (thread_exit_handler): ... deregister here.
1659         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1660         * config/x86/target.h: Same.
1661
1662 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1663
1664         * testsuite/libitm.c++/static_ctor.C: New file.
1665
1666 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1667
1668         * testsuite/libitm.c/reentrant.c: New file.
1669
1670 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1671
1672         * config/generic/tls.h: Remove the free list for transactions and ...
1673         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1674         (GTM::gtm_transaction::operator delete): ... and release here.
1675         (thread_exit_handler): New. Delete tx when thread terminates.
1676         (thread_exit_init): New.
1677         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1678         * testsuite/libitm.c/txrelease.c: New file.
1679
1680 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1681
1682         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1683         * testsuite/libitm.c/notx.c: New file.
1684
1685 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1686
1687         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1688         * libitm_i.h (local_tid): ... to here.
1689         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1690         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1691
1692 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1693
1694         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1695         serialirr_onwrite_dispatch as new default for now.
1696         * method-serial.cc (serialirr_onwrite_dispatch): New.
1697         (GTM::dispatch_serialirr_onwrite): New.
1698         * libitm_i.h: Same.
1699
1700 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1701
1702         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1703         * query.cc (_ITM_getTransactionId): There is no active transaction if
1704         the current nesting level is zero.
1705
1706 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1707
1708         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1709         rollback.
1710
1711 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1712
1713         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1714         transaction properties from the caller instead of from the
1715         transaction object.
1716         * libitm_i.h: Same.
1717         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1718
1719 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1720
1721         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1722         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1723         * dispatch.h: Same.
1724         * method-serial.cc: Same.
1725         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1726         flat nesting as default, and closed nesting on demand.
1727         (GTM::gtm_transaction::rollback): Same.
1728         (_ITM_abortTransaction): Same.
1729         (GTM::gtm_transaction::restart): Same.
1730         (GTM::gtm_transaction::trycommit): Same.
1731         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1732         (choose_code_path): New.
1733         (GTM::gtm_transaction_cp::save): New.
1734         (GTM::gtm_transaction_cp::commit): New.
1735         * query.cc (_ITM_inTransaction): Support flat nesting.
1736         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1737         (GTM::gtm_transaction): Support flat and closed nesting.
1738         * alloc.cc (commit_allocations_2): New.
1739         (commit_cb_data): New helper struct.
1740         (GTM::gtm_transaction::commit_allocations): Handle nested
1741         commits/rollbacks.
1742         * libitm.texi: Update user action section, add description of nesting.
1743
1744 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1745
1746         * libitm_i.h: Add closed nesting as restart reason.
1747         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1748
1749 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1750
1751         * useraction.cc: Use vector instead of list to store actions.
1752         Also support partial rollbacks for closed nesting.
1753         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1754         * beginend.cc: Same.
1755
1756 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1757
1758         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1759         closed_nesting flags, as well as a closed nesting alternative.
1760         * method-serial.cc: Same.
1761         (serial_dispatch): Renamed to serialirr_dispatch.
1762         (GTM::dispatch_serialirr): Same.
1763         (serial_dispatch_ul): Renamed to serial_dispatch.
1764         (GTM::dispatch_serial): Same.
1765
1766 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1767
1768         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1769
1770 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1771
1772         * aatree.h (aa_tree::remove): New.
1773         (aa_tree::operator new): Add placement new.
1774
1775 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1776
1777         * containers.h: New file.
1778         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1779         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1780         * common.h: ... to here.
1781         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1782         * local.cc: Same.
1783
1784 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1785
1786         * libitm_i.h (STATE_ABORTING): Remove.
1787         * beginend.cc (_ITM_abortTransaction): Same.
1788         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1789         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1790         (_ITM_rollbackTransaction): Remove.
1791         * beginend.cc: Same.
1792         * libitm.map: Same.
1793         * libitm.texi: Document these ABI changes.
1794
1795 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1796
1797         * libitm.texi: New file.
1798         * Makefile.am: Add libitm.texi.
1799         * Makefile.in: Rebuild.
1800
1801 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1802
1803         * libitm_i.h: Move parts to common.h and dispatch.h.
1804         * common.h: New file.
1805         * dispatch.h: New file, new dispatch class.
1806         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1807         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1808         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1809         decision to retry.cc.
1810         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1811         only.
1812         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1813         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1814         logging.
1815         * barrier.cc: Use new barriers definitions.
1816         (abi_dispatch::memmove_overlap_check): New.
1817         * config/x86/x86_sse.cc: Same.
1818         * config/x86/x86_avx.cc: Same.
1819         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1820         memcpy.cc.
1821         * Makefile.in: Rebuild.
1822         * method-readonly.cc: Remove.
1823         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1824         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1825
1826 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1827
1828         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1829         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1830         * testsuite/libitm.c/dropref-2.c: Same.
1831         * testsuite/libitm.c/dropref.c: Same.
1832
1833 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1834
1835         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1836         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1837         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1838         * alloc_c.cc: Same.
1839         * barrier.tpl: Same.
1840         * beginend.c: Same.
1841         * config/generic/tls.h: Same.
1842         * config/x86/tls.h: Same.
1843         * libitm_i.h: Same.
1844         * memcpy.cc: Same.
1845         * memset.cc: Same.
1846         * method-readonly.cc: Same.
1847         * method-serial.cc: Same.
1848         * method-wbetl.cc: Same.
1849         * retry.cc: Same.
1850
1851 2011-03-03  Richard Henderson  <rth@redhat.com>
1852
1853         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1854         From Patrik Marlier <patrick.marlier@unine.ch>.
1855
1856 2011-02-03  Richard Henderson  <rth@redhat.com>
1857
1858         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1859         * configure.ac: Use it.
1860         * configure, config.h.in: Rebuild.
1861         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1862         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1863         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1864         * libitm.map: Use wildcards to match size_t mangling.
1865
1866 2010-12-14  Richard Henderson  <rth@redhat.com>
1867
1868         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1869         blocks of TIDs per thread.
1870         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1871         (setup_gtm_thr): Return the thread structure.
1872         * config/x86/tls.h (setup_gtm_thr): Likewise.
1873
1874 2010-12-14  Richard Henderson  <rth@redhat.com>
1875
1876         * clone.cc (table_lock): Remove.
1877         (find_clone): Don't take it.
1878         (ExcludeTransaction): New helper class.
1879         (_ITM_registerTMCloneTable): Use it.
1880         (_ITM_deregisterTMCloneTable): Likewise.
1881
1882 2010-12-14  Richard Henderson  <rth@redhat.com>
1883
1884         * config/x86/tls.h: New file.
1885
1886 2010-07-15  Richard Henderson  <rth@redhat.com>
1887
1888         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1889         * Makefile.in: Rebuild.
1890
1891 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1892
1893         * method-wbetl.cc (trydropreference): Fix source line.
1894
1895 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1896
1897         * libitm.h: Add comment.
1898         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1899
1900 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1901
1902         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1903         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1904         available, use pthread mutexes.
1905         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1906         * config.h.in: Regenerate.
1907         * configure: Regenerate.
1908
1909 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1910
1911         * libitm.h (ITM_PURE): Define.
1912         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1913
1914 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1915
1916         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1917         (validate): Add comment.
1918         (trydropreference): New.
1919         * method-readonly.cc (class readonly_dispatch): Add
1920         trydropreference.
1921         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1922         Call trydropreference().
1923         * libitm.h (_ITM_dropReferences): Remove const attribute.
1924         * method-serial.cc (class serial_dispatch): Add trydropreference.
1925         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1926
1927 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1928
1929         * memcpy.cc (do_memcpy): Comment.
1930
1931 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1932
1933         * barrier.tpl: Add comments throughout.
1934
1935 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1936
1937         * method-wbetl.cc (struct w_entry): Add comments.
1938         (trycommit): Same.
1939         (rollback): Same.
1940
1941 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1942
1943         * alloc_c.cc (_ITM_dropReferences): New.
1944         * libitm.map (_ITM_dropReferences): Add.
1945         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1946         * libitm_i.h (struct gtm_transaction): Declare
1947         drop_references_allocations and drop_references_local.
1948         * local.cc (rollback_local): Ignore memory when applicable.
1949         (drop_references_local): New.
1950
1951 2010-06-23  Richard Henderson  <rth@redhat.com>
1952
1953         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1954         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1955         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1956         * config/alpha/target.h: Likewise.
1957         * config/generic/tls.cc (gtm_mask_stack): Use it.
1958
1959 2010-06-23  Richard Henderson  <rth@redhat.com>
1960
1961         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1962         a mutex instead of trying a lock-free compare-and-swap on the list.
1963         (gtm_cacheline_page::operator delete): Likewise.
1964
1965 2010-06-16  Richard Henderson  <rth@redhat.com>
1966
1967         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1968         that overlap the libitm stack.
1969         * barrier.tpl: Mark incoming stack.
1970         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1971         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1972         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1973         * memcpy.cc, memset.cc: Likewise.
1974         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1975         * config/generic/tls.h (gtm_thread): Add stack_top member.
1976         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1977         * libitm_i.h (gtm_mask_stack): Declare.
1978         * config/generic/tls.cc: New file.
1979         * Makefile.am (libitm_la_SOURCES): Add it.
1980         (AM_CXXFLAGS): Turn off exceptions.
1981         * Makefile.in: Rebuild.
1982
1983 2010-06-16  Richard Henderson  <rth@redhat.com>
1984
1985         * alloc.cc (struct gtm_alloc_action): Move definition ...
1986         * libitm_i.h: ... here.
1987         (class gtm_transaction): Declare new and delete.
1988         * beginend.cc (alloc_tx): Reformulate as operator new.
1989         (free_tx): Reformulate as operator delete.
1990         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1991
1992 2010-06-11  Richard Henderson  <rth@redhat.com>
1993
1994         * clone.cc (clone_entry_compare): Fix typo.
1995         From Patrik Marlier <patrick.marlier@unine.ch>.
1996
1997 2010-05-13  Richard Henderson  <rth@redhat.com>
1998
1999         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
2000         in extern "C".
2001
2002 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
2003
2004         * libitm_i.h (struct gtm_transaction): Remove
2005         get_allocation_size.
2006         (record_allocation): Remove size parameter.
2007         * libitm.map (_ITM_realloc): Remove.
2008         * alloc_c.cc (_ITM_realloc): Remove.
2009         (_ITM_malloc): Remove size argument to record_allocation.
2010         (_ITM_calloc): Same.
2011         * alloc_cpp.cc (_ZGTtnwm): Same.
2012         (_ZGTtnwmRKSt9nothrow_t): Same.
2013         (_ZGTtnam): Same.
2014         (_ZGTtnamRKSt9nothrow_t): Same.
2015         * alloc.cc (struct gtm_alloc_action): Remove size.
2016         (get_allocation_size): Remove.
2017         (commit_allocations): Add comment.
2018         (record_allocation): Remove size parameter.
2019         (forget_allocation): Remove set of size.
2020
2021 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2022
2023         * Makefile.am (abi_version): New.
2024         (AM_CXXFLAGS): Pass abi_version.
2025         * Makefile.in: Regenerate.
2026         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2027
2028 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2029
2030         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2031         _ITM_getTMCloneOrIrrevokable.
2032         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2033         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2034
2035 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2036
2037         * configure.ac: Remove Linux futex support.
2038         * configure.tgt (config_path): Same.
2039         * Makefile.am: Same.
2040         * config/linux: Remove entire directory.
2041         * configure: Rebuild.
2042         * Makefile.in: Rebuild.
2043         * testsuite/Makefile.in: Rebuild.
2044
2045 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2046
2047         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2048         switching to serial mode.
2049         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2050
2051 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2052
2053         * configure.tgt: Add emacs -*- tags.
2054         * barrier.tpl: Same.
2055
2056 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2057
2058         * Makefile.am: Rename serial.cc to method-serial.cc.
2059         * Makefile.in: Regenerate with automake 1.11.1.
2060         * testsuite/Makefile.in: Same.
2061         * aclocal.m4: Regenerate with aclocal 1.11.1.
2062         * method-serial.cc: Rename from serial.cc.
2063         * libitm_i.h (struct gtm_transaction): Update comment on
2064         serialirr_mode.
2065
2066 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2067
2068         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2069         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2070
2071 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2072
2073         * configure: Rebuild.
2074
2075 2009-11-12  Richard Henderson  <rth@redhat.com>
2076
2077         * Rewrite everything in C++.
2078
2079 2009-11-03  Richard Henderson  <rth@redhat.com>
2080
2081         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2082         * Makefile.am (libitm_la_SOURCES): Add them.
2083         * configure.ac (ARCH_X86): New conditional.
2084         * Makefile.in, configure: Rebuild.
2085         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2086         Move futex setup into "other system configury" case.
2087         * local.c (rollback_local): Merge into ...
2088         (GTM_rollback_local): ... here.
2089         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2090         (_ITM_LB): Define as an alias to GTM_LB.
2091
2092 2009-11-03  Richard Henderson  <rth@redhat.com>
2093
2094         * method-readonly.c: New file.
2095         * Makefile.am (libitm_la_SOURCES): Add it.
2096         * Makefile.in: Rebuild.
2097         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2098         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2099         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2100         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2101         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2102         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2103         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2104         gtm_get_clock, gtm_inc_clock): New.
2105         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2106         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2107         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2108         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2109         replace uses with new libitm_i.h symbols.
2110         (dispatch_wbetl): Rename from wbetl_dispatch.
2111         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2112         away from dispatch_readonly; abort if the beginTransaction call
2113         asserted that the transaction was readonly.
2114
2115 2009-11-03  Richard Henderson  <rth@redhat.com>
2116
2117         * memset.c: New file.
2118         * Makefile.am (libitm_la_SOURCES): Add it.
2119         * Makefile.in: Rebuild.
2120         * testsuite/libitm.c/memset-1.c: New.
2121
2122 2009-11-03  Richard Henderson  <rth@redhat.com>
2123
2124         * dispatch.c: Remove file.
2125         * useraction.c (struct gtm_user_action): Move from libitm.h.
2126         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2127         (serial_memset, serial_memmove, serial_memcpy): Remove.
2128         (serial_W*, serial_R*): Remove.
2129         (serial_dispatch): Update to match.
2130         * configure.ac: Move Werror down below configure checks.  Don't
2131         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2132         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2133         Use GCC_AC_FUNC_MMAP_BLACKLIST
2134         * libitm.h: Split out all internal items to...
2135         * libitm_i.h: ... here.  New file.
2136         * copymask.c: New file.
2137         * local.c (struct gtm_local_undo): Move from libitm.h.
2138         (GTM_alloc_local): Rename from alloc_local; export.
2139         * memcpy.c: New file.
2140         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2141         * config/posix/page.c: New file.
2142         * config/posix/target_tls.h: Remove file.
2143         * barrier.c: New file.
2144         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2145         copymask.c, page.c.
2146         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2147         * method-wbetl.c: Rewrite for new cacheline methods.
2148         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2149
2150         * config/alpha/sjlj.S: Fix typo.
2151         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2152         * config/alpha/copymask.c: New file.
2153         * config/alpha/target.h (CACHELINE_SIZE): New.
2154         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2155
2156         * config/x86/target_i.h: Copy functions from x86/target.h.
2157         * config/x86/copymask.c: New file.
2158         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2159         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2160         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2161         * config/x86/target_tls.h: Move contents to target_i.h.
2162
2163         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2164         * testsuite/libitm.c/memcpy-1.c: New.
2165
2166 2009-10-22  Richard Henderson  <rth@redhat.com>
2167
2168         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2169         (AM_CCASFLAGS): New.
2170         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2171         saving/restoring _AC_ARG_VAR_PRECIOUS.
2172         * Makefile.in, aclocal.m4, config.h.in, configure,
2173         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2174
2175 2009-10-22  Richard Henderson  <rth@redhat.com>
2176
2177         * testsuite/*: Update for new compiler syntax.
2178
2179 2009-10-21  Richard Henderson  <rth@redhat.com>
2180
2181         * libitm.h (_ITM_abortReason): Add outerAbort.
2182
2183 2009-08-03  Richard Henderson  <rth@redhat.com>
2184
2185         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2186         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2187         * method-wbetl.c (struct w_entry): Remove mask.
2188         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2189         adjust all callers.
2190
2191 2009-07-22  Richard Henderson  <rth@redhat.com>
2192
2193         * eh_cpp.c: New file.
2194         * Makefile.am (libitm_la_SOURCES): Add it.
2195         * Makefile.in: Rebuild.
2196         * beginend.c (GTM_rollback_transaction): Undo exception state.
2197         (GTM_trycommit_transaction): Mark inline.
2198         (GTM_trycommit_and_finalize_transaction): Split out from ...
2199         (_ITM_commitTransaction): ... here.
2200         (_ITM_commitTransactionEH): New function.
2201         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2202         cxa_unthrown, eh_in_flight; reorder.
2203
2204         * testsuite/libitm.c++/c++.exp: New.
2205         * testsuite/libitm.c++/eh-1.C: New.
2206
2207         * aatree.c (aa_free): Remove REGPARM.
2208         * aatree.h: Remove all REGPARM.
2209
2210 2009-07-18  Richard Henderson  <rth@redhat.com>
2211
2212         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2213         * Makefile.am (libitm_la_SOURCES): Add them.
2214         * Makefile.in: Rebuild.
2215         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2216         (GTM_trycommit_transaction): Likewise.
2217         * libitm.h: Include aatree.h
2218         (struct gtm_alloc_action): New.
2219         (struct gtm_transaction): Add alloc_actions.
2220         (GTM_record_allocation, GTM_forget_allocation): Declare.
2221         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2222         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2223         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2224         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2225         _ZGTtdaPvRKSt9nothrow_t): Export.
2226
2227 2009-07-18  Richard Henderson  <rth@redhat.com>
2228
2229         * target_tls.h: Move ...
2230         * config/posix/target_tls.h: ... here.
2231
2232 2009-07-07  Richard Henderson  <rth@redhat.com>
2233
2234         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2235
2236 2009-07-07  Richard Henderson  <rth@redhat.com>
2237
2238         * Update to GPL3.
2239
2240 2009-07-07  Richard Henderson  <rth@redhat.com>
2241
2242         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2243         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2244
2245         * configure.tgt: Don't use -ftls-model for x86 linux.
2246         * libitm.h: Include target.h after standard includes.
2247         (_gtm_thr): Rename from gtm_thr.
2248         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2249         (gtm_disp, set_gtm_disp): New.
2250         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2251         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2252         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2253
2254 2009-07-07  Richard Henderson  <rth@redhat.com>
2255
2256         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2257
2258 2009-07-06  Richard Henderson  <rth@redhat.com>
2259
2260         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2261         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2262         (_ITM_beginTransaction): Take variadic arguments.
2263         (_ITM_registerThrownObject): Declare.
2264         * beginend.c, serial.c: Update.
2265         * libitm.map: Add _ITM_registerThrownObject.
2266
2267 2009-01-28  Richard Henderson  <rth@redhat.com>
2268
2269         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2270         * Makefile.in: Rebuild.
2271         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2272         (GTM_restart_transaction): Fix uninstrumented code check.
2273         * retry.c (GTM_decide_retry_strategy): Add serial check.
2274         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2275         automatically go irrevokable when in serial mode.
2276         * clone.c: New file.
2277         * libitm.h, libitm.map: Update.
2278
2279 2009-01-27  Richard Henderson  <rth@redhat.com>
2280
2281         * Makefile.am (LTCCASCOMPILE): Define.
2282         (libitm_la_SOURCES): Add methid-wbetl.c.
2283         * testsuite/Makefile.am: New
2284         * configure.ac: Add testsuite/Makefile.
2285         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2286         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2287         (_ITM_abortTransaction): Finalize implementation method; pass
2288         transaction properties to longjmp.
2289         (GTM_restart_transaction): Split out from ...
2290         (_ITM_commitTransaction): ... here.
2291         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2292         Move to config/x86/target.h.
2293         * config/linux/alpha/futex_bits.h: New.
2294         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2295         * config/x86/target.h: Disable target types for 32-bit.
2296         * config/alpha/sjlj.S, config/alpha/target.h: New.
2297         * libitm.h (struct gtm_dispatch): Add init, fini.
2298         (enum restart_reason): New.
2299         (struct gtm_transaction): Add method and restarts.
2300         * retry.c (GTM_decide_retry_strategy): Implement.
2301         * serial.c (serial_init, serial_fini): New.
2302         (GTM_serialmode): Finialize outgoing method.
2303         * method-wbetl.c: New.
2304
2305 2008-12-09  Richard Henderson  <rth@redhat.com>
2306
2307         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2308         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2309         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2310         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2311         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2312         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2313         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2314         * serial.c (serial_R##T, serial_W##T): Likewise.
2315
2316 2008-11-21  Richard Henderson  <rth@redhat.com>
2317
2318         * Initial commit.
2319 \f
2320 Copyright (C) 2008-2021 Free Software Foundation, Inc.
2321
2322 Copying and distribution of this file, with or without modification,
2323 are permitted in any medium without royalty provided the copyright
2324 notice and this notice are preserved.