libitm/ChangeLog

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