libitm/ChangeLog

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