libitm/ChangeLog

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