libitm/ChangeLog

   1 2016-04-27  Release Manager
   2
   3         * GCC 6.1.0 released.
   4
   5 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
   6
   7         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
   8         function attribute to disable floating point in begin_transaction() on
   9         S/390.
  10         * beginend.cc (begin_transaction): Use
  11         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
  12
  13 2016-01-22  Torvald Riegel  <triegel@redhat.com>
  14
  15         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
  16         boundary.
  17         (htm_fastpath): Remove.
  18         (gtm_thread::begin_transaction): Fix HTM fastpath.
  19         (_ITM_commitTransaction): Adapt.
  20         (_ITM_commitTransactionEH): Adapt.
  21         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
  22         and accessors.
  23         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
  24         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
  25         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
  26         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
  27         * libitm/method-serial.cc (htm_mg): Adapt.
  28         (gtm_thread::serialirr_mode): Adapt.
  29         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
  30
  31 2016-01-21  Torvald Riegel  <triegel@redhat.com>
  32
  33         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
  34         or AIX.
  35
  36 2016-01-19  Richard Henderson  <rth@redhat.com>
  37
  38         PR bootstrap/69343
  39         PR bootstrap/69339
  40         Revert:
  41         2016-01-13  Richard Henderson  <rth@redhat.com>
  42
  43         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
  44         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
  45         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
  46         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
  47         * configure.ac (ARCH_AARCH64): New conditional.
  48         (ARCH_PPC, ARCH_S390): Likewise.
  49         * Makefile.in, configure: Rebuild.
  50
  51         * libitm.h (_ITM_TYPE_M128): Always define.
  52         * vect64.cc: Split ...
  53         * vect128.cc: ... out of...
  54         * config/x86/x86_sse.cc: ... here.
  55         * config/arm/neon.cc: New file.
  56
  57 2016-01-19  Torvald Riegel  <triegel@redhat.com>
  58
  59         * local_type_traits: Remove file.
  60         * libitm_i.h: Don't include it anymore.
  61         (sized_integral): Remove.
  62
  63 2016-01-16  Torvald Riegel  <triegel@redhat.com>
  64
  65         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
  66         safety.
  67         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
  68         * libitm/testsuite/libitm.c/priv-1.c: New.
  69
  70 2015-01-15  Torvald Riegel  <triegel@redhat.com>
  71
  72         testsuite/libitm.c++/libstdc++-safeexc.C: New.
  73
  74 2016-01-13  Torvald Riegel  <triegel@redhat.com>
  75
  76         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
  77         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
  78         (gtm_rwlock::write_unlock): Likewise.
  79
  80 2016-01-13  Richard Henderson  <rth@redhat.com>
  81
  82         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
  83         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
  84         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
  85         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
  86         * configure.ac (ARCH_AARCH64): New conditional.
  87         (ARCH_PPC, ARCH_S390): Likewise.
  88         * Makefile.in, configure: Rebuild.
  89
  90         * libitm.h (_ITM_TYPE_M128): Always define.
  91         * vect64.cc: Split ...
  92         * vect128.cc: ... out of...
  93         * config/x86/x86_sse.cc: ... here.
  94         * config/arm/neon.cc: New file.
  95
  96 2016-01-13  Torvald Riegel  <triegel@redhat.com>
  97
  98         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
  99         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 100         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 101         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 102         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 103         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 104         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 105         (serialirr_dispatch::snapshot_most_recent): New.
 106         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 107
 108 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 109
 110         * libitm_i.h (gtm_mask_stack): Remove.
 111         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 112         * stmlock.h: Remove file.
 113         * config/alpha/cacheline.h: Likewise.
 114         * config/generic/cacheline.h: Likewise.
 115         * config/powerpc/cacheline.h: Likewise.
 116         * config/sparc/cacheline.h: Likewise.
 117         * config/x86/cacheline.h: Likewise.
 118
 119 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 120
 121         Update copyright years.
 122
 123         * libitm.texi: Bump @copying's copyright year.
 124
 125 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 126
 127         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 128         (ml_wt_dispatch::pre_write): Adapt.
 129         (ml_wt_dispatch::pre_load): Likewise.
 130
 131 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 132
 133         * libitm_i.h (gtm_alloc_action): Remove union.
 134         * testsuite/libitm.c/alloc-1.c: New.
 135
 136 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 137
 138         * testsuite/libitm.c++/eh-5.C: New.
 139         * libitm.h (_ITM_cxa_free_exception): New.
 140         * libitm.map (_ITM_cxa_free_exception): Add it.
 141         * libitm.texi: Update ABI docs.
 142         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 143         (gtm_transaction_cp::cxa_uncaught_count): Add.
 144         (gtm_thread::cxa_unthrown): Remove.
 145         (gtm_thread::cxa_uncaught_count_ptr): Add.
 146         (gtm_thread::cxa_uncaught_count): Add.
 147         (gtm_thread::drop_references_allocations): Rename to...
 148         (gtm_thread::discard_allocation): ... this and adapt.
 149         (gtm_thread::init_cpp_exceptions): New.
 150         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 151         (gtm_thread::begin_transaction): Likewise.
 152         (gtm_transaction_cp::save): Likewise.
 153         (gtm_thread::trycommit): Likewise.
 154         * eh_cpp.cc: Add overview comments.
 155         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 156         (free_any_exception, _ITM_cxa_free_exception): New.
 157         (gtm_thread::init_cpp_exceptions): Define.
 158         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 159         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 160         (gtm_thread::revert_cpp_exceptions): Likewise.
 161
 162 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 163
 164         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 165         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 166         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 167         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 168         (gtm_thread::forget_allocations): New overload with size_t argument.
 169         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 170         adapt existing one.
 171         (gtm_thread::record_allocation): Adapt.
 172         (gtm_thread::commit_allocations_1): Adapt.
 173         (gtm_thread::commit_allocations_2): Adapt.
 174         * testsuite/libitm.c++/newdelete.C: New.
 175
 176 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 177             Joseph Myers  <joseph@codesourcery.com>
 178             Mark Shinwell  <shinwell@codesourcery.com>
 179             Andrew Stubbs  <ams@codesourcery.com>
 180             Rich Felker <dalias@libc.org>
 181
 182         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 183         GTM_begin_transaction for compatibility with FDPIC.
 184
 185 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 186
 187         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 188         using load_gcc_lib.
 189
 190 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 191
 192         PR libitm/61164
 193         * local_atomic (__always_inline): Rename to...
 194         (__libitm_always_inline): ... this.
 195
 196 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 197
 198         PR target/52482
 199         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 200
 201 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 202
 203         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 204         operands "op" and "val" to int.
 205
 206 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 207
 208         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 209         "op" and "val" to int.
 210
 211 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 212
 213         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 214         "op" and "val" to int.
 215
 216 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 217
 218         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 219         Declare as static int.
 220         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 221         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 222
 223 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 224
 225         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 226         sys_futex0 function.
 227
 228 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 229
 230         * Makefile.in: Regenerated with automake-1.11.6.
 231         * aclocal.m4: Likewise.
 232         * configure: Likewise.
 233         * testsuite/Makefile.in: Likewise.
 234
 235 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 236
 237         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 238         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 239
 240 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 241
 242         PR libitm/64360
 243         * libitm.c/stackundo.c (test2): Make it static.
 244         (test1): Likewise.
 245
 246 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 247
 248         Update copyright years.
 249
 250 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 251
 252         * libitm.texi: Bump @copying's copyright year.
 253
 254 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 255
 256         * testsuite/lib/libitm.exp: Load target-utils.exp.
 257         Move load of target-supports.exp earlier.
 258
 259 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 260
 261         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 262
 263 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 264
 265         PR bootstrap/63784
 266         * configure: Regenerated.
 267
 268 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 269
 270         PR target/63610
 271         * configure: Regenerate.
 272
 273 2014-10-06  Marek Polacek  <polacek@redhat.com>
 274
 275         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 276         * testsuite/libitm.c/memset-1.c: Likewise.
 277
 278 2014-07-24  Richard Henderson  <rth@redhat.com>
 279
 280         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 281         addressing mode in epilogue.
 282
 283 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 284
 285         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 286         -mclear-hwcap instead.
 287         * configure: Regenerate.
 288         * clearcap.map: Remove.
 289
 290 2014-05-21  John Marino  <gnugcc@marino.st>
 291
 292         * configure.tgt (*-*-dragonfly*): New target.
 293
 294 2014-05-19  Richard Henderson  <rth@redhat.com>
 295
 296         * config/aarch64/sjlj.S: New file.
 297         * config/aarch64/target.h: New file.
 298         * configure.tgt: Enable aarch64.
 299
 300 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 301
 302         * config/generic/asmcfi.h: Also check for
 303         __GCC_HAVE_DWARF2_CFI_ASM.
 304
 305 2013-04-02  Richard Henderson  <rth@redhat.com>
 306
 307         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 308         * config/arm/target.h, config/sh/target.h: Likewise.
 309         * config/sparc/target.h, config/x86/target.h: Likewise.
 310
 311 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 312
 313         * config/linux/futex_bits.h: Include errno.h.
 314         (sys_futex0): If syscall returns -1, return -errno rather than
 315         -1.
 316
 317 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 318
 319         * libitm.texi (Index): Rename to Library Index.
 320
 321 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 322
 323         PR libitm/53113
 324         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 325         (x86_avx.lo): Append -mavx to CXXFLAGS.
 326         * Makefile.in: Regenerate.
 327
 328 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 329
 330         Update copyright years
 331
 332 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 333
 334         * libitm.texi: Bump @copying's copyright year.
 335
 336 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 337
 338         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 339         (FUNC): Define ELFv2 variant.
 340         (END): Likewise.
 341         (HIDDEN): Likewise.
 342         (CALL): Likewise.
 343         (BASE): Likewise.
 344         (LR_SAVE): Likewise.
 345
 346 2013-09-20  Alan Modra  <amodra@gmail.com>
 347
 348         * configure: Regenerate.
 349
 350 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 351
 352         * config/posix/rwlock.cc: Fix initialization order.
 353
 354 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 355
 356         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 357         (htm_fastpath): Assign an asm name.
 358         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 359         HTM fast paths.
 360         (_ITM_actions): Likewise.
 361         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 362         x86_64.
 363         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 364         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 365         field to the start of the structure.
 366         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 367         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 368         handling for custom HTM fast paths.
 369
 370 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 371         Revert:
 372         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 373
 374         * configure.tgt: Add -msoft-float to XCFLAGS.
 375
 376 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 377
 378         * configure.tgt: Add -msoft-float to XCFLAGS.
 379
 380 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 381
 382         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 383         (htm_transaction_active): Enable zEC12 instructions in the
 384         assembler.
 385         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 386
 387 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 388
 389         * acinclude.m4: Add htm asm check for s390.
 390         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 391         * configure: Regenerate.
 392         * config/s390/target.h: Remove __HTM__ check.
 393         (htm_available): Call getauxval to get hwcaps and check whether
 394         HTM is available or not.
 395
 396 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 397
 398         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 399         * configure.ac: Use it.
 400         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 401         (AC_CHECK_FUNCS): Check for getauxval.
 402         * config.h.in, configure: Rebuild.
 403         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 404         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 405         (USE_HTM_FASTPATH): Define.
 406         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 407         _HTM_RETRIES) New macros.
 408         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 409         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 410
 411 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 412
 413         * config/s390/target.h: Include htmintrin.h.
 414         (_HTM_ITM_RETRIES): New macro definition.
 415         (htm_available, htm_init, htm_begin, htm_begin_success)
 416         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 417
 418 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 419             Cesar Philippidis  <cesar@codesourcery.com>
 420
 421         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 422         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 423         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 424         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 425
 426 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 427
 428         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 429         (_ITM_getTransactionId): Same.
 430         * config/x86/target.h (htm_transaction_active): New.
 431
 432 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 433
 434         PR libitm/57643
 435         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 436         the HTM fastpath.
 437
 438 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 439
 440         PR bootstrap/56714
 441         * local_atomic (__always_inline): Always define our version.
 442         (__calculate_memory_order): Mark inline.
 443         (atomic_thread_fence): Ditto.
 444         (atomic_signal_fence): Ditto.
 445         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 446         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 447         (atomic_bool::atomic_flag_test_and_set): Ditto.
 448         (atomic_bool::atomic_flag_clear): Ditto.
 449
 450 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 451
 452         * config/s390/sjlj.S: New file.
 453         * config/s390/target.h: New file.
 454         * configure.tgt: Set options for S/390.
 455
 456 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 457
 458         * local_atomic (__always_inline): Add.
 459         (__calculate_memory_order, atomic_thread_fence,
 460          atomic_signal_fence, test_and_set, clear, store, load,
 461          exchange, compare_exchange_weak, compare_exchange_strong,
 462          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 463         Add __always_inline to force inlining.
 464
 465 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 466             Jack Howarth  <howarth@bromo.med.uc.edu>
 467             Patrick Marlier  <patrick.marlier@gmail.com>
 468
 469         PR libitm/55693
 470         * alloc_cpp.cc: Enable function declarations on darwin.
 471         * eh_cpp.cc: Likewise.
 472
 473 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 474
 475         Update copyright years.
 476
 477 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 478
 479         * beginend.cc (htm_fastpath): New.
 480         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 481         _ITM_commitTransactionEH): Add HTM fastpath handling.
 482         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 483         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 484         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 485         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 486         * configure.tgt: Add -mrtm to XCFLAGS.
 487         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 488         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 489         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 490         * retry.cc (parse_default_method): Add HTM method parsing.
 491         (gtm_thread::number_of_threads_changed): Use HTM by default if
 492         available.
 493
 494 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 495
 496         * configure: Regenerate.
 497
 498 2012-10-31  Richard Henderson  <rth@redhat.com>
 499
 500         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 501         * configure.ac: Use it.
 502         * config.h.in, configure: Rebuild.
 503         * testsuite/Makefile.in: Rebuild.
 504
 505 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 506
 507         * libitm.texi: Clarify ABI requirements for data-logging functions.
 508
 509 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 510
 511         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 512         it requires serial mode instead of assuming that for certain
 513         dispatchs.
 514         * dispatch.h (abi_dispatch::requires_serial): New.
 515         (abi_dispatch::abi_dispatch): Adapt.
 516         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 517         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 518         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 519         serial_dispatch::serial_dispatch,
 520         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 521
 522 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 523
 524         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 525         and ia32 declarations some more.
 526         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 527
 528 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 529
 530         PR other/43620
 531         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 532         * configure: Regenerate.
 533         * Makefile.in: Regenerate.
 534
 535 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 536
 537         * configure: Regenerated.
 538
 539 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 540
 541         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 542
 543 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 544
 545         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 546
 547 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 548
 549         * configure: Regenerated.
 550
 551 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 552
 553         PR libitm/52854
 554         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 555         for x86-64.
 556
 557 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 558
 559         * configure: Regenerate.
 560
 561 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 562
 563         PR bootstrap/52812
 564         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 565
 566 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 567
 568         * testsuite/lib/libitm.exp: load fortran-modules.exp
 569
 570 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 571
 572         * configure.tgt (*-*-irix6*): Remove.
 573
 574 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 575
 576         PR libitm/52526
 577         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 578         wake-up.
 579
 580 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 581
 582         * configure.tgt (*-*-osf*): Remove.
 583         * configure: Regenerate.
 584
 585 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 586
 587         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 588         memtransfer/memset if size isn't larger than zero.
 589
 590 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 591
 592         * libitm.texi: Link to specification and add a usage example.
 593
 594 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 595
 596         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 597         default dispatch for more than 1 thread to ml_wt.
 598
 599 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 600
 601         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 602
 603 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 604
 605         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 606
 607 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 608
 609         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 610         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 611         (gl_wt_dispatch.rollback): Same.
 612
 613 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 614
 615         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 616
 617 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 618
 619         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 620         for RfW src.  Optimize number of calls to gtm_thr.
 621
 622 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 623
 624         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 625         acquisition to ...
 626         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 627         (default_dispatch): Make atomic.
 628         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 629         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 630         use decide_begin_dispatch() if default_dispatch might have changed.
 631         (GTM::gtm_thread::number_of_threads_changed): Initialize
 632         default_dispatch here.
 633
 634 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 635             Patrick Marlier  <patrick.marlier@gmail.com>
 636
 637         PR libitm/52220
 638         * alloc_cpp.cc: No dummy definitions for darwin.
 639         * eh_cpp.cc: Likewise.
 640
 641 2012-02-14  Richard Henderson  <rth@redhat.com>
 642
 643         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 644
 645 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 646
 647         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 648
 649 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 650
 651         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 652         (GTM::gtm_thread): Add read and write logs.
 653         (GTM::dispatch_ml_wt): Declare.
 654         * retry.cc (parse_default_method): Support ml_wt.
 655         * method-ml.cc: New file.
 656         * Makefile.am: Add method-ml.cc.
 657         * Makefile.in: Regenerate.
 658
 659 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 660
 661         * dispatch.h (GTM::abi_dispatch::supports): New.
 662         (GTM::method_group::reinit): New.
 663         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 664         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 665         supports the current situation.
 666
 667 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 668
 669         * util.cc (GTM::xcalloc): New.
 670         * common.h (GTM::xcalloc): Declare.
 671
 672 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 673
 674         * config/sparc/target.h (cpu_relax): Read from CC register.
 675         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 676
 677 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 678
 679         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 680
 681 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 682
 683         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 684         * config/sparc/cacheline.h: New file.
 685         * config/sparc/target.h: Likewise.
 686         * config/sparc/sjlj.S: Likewise.
 687         * config/linux/sparc/futex_bits.h: Likewise.
 688
 689 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 690
 691         * configure.ac (link_itm): Fix comment.
 692         * configure: Regenerate.
 693         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 694
 695 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 696
 697         PR libitm/51822
 698         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 699         Correct libgomp references.
 700
 701 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 702
 703         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 704         wake-up.
 705
 706 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 707
 708         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 709         end of structure.
 710         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 711         offset values.  Do not copy return address.  Decrement stack
 712         by 56 bytes only.
 713         (GTM_longjump) [__x86_64__]: Update offset values.
 714
 715 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 716
 717         PR libitm/51830
 718         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 719         the first function argument to %eax.
 720
 721 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 722
 723         * libitm.h (_ITM_getThreadnum): Remove.
 724         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 725
 726 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 727
 728         * clearcap.map: New file.
 729         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 730         * configure.ac: Call it.
 731         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 732         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 733         * configure: Regenerate.
 734         * Makefile.in: Regenerate.
 735         * testsuite/Makefile.in: Regenerate.
 736
 737 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 738
 739         PR libitm/51173
 740         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 741         include, exclude options.
 742
 743 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 744
 745         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 746         rolling back.
 747         * containers.h (GTM::vector::set_size): New.
 748
 749 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 750
 751         PR libitm/51855
 752         * config/generic/tls.h (GTM::mask_stack_top): New.
 753         (GTM::mask_stack_bottom): Declare.
 754         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 755         * local.cc (gtm_undolog::rollback): Filter out any updates that
 756         overlap the libitm stack.  Add current transaction as parameter.
 757         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 758         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 759         * testsuite/libitm.c/stackundo.c: New test.
 760
 761 2012-01-10  Richard Henderson  <rth@redhat.com>
 762
 763         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 764         * eh_cpp.cc (_Unwind_DeleteException): Define for
 765         !HAVE_ELF_STYLE_WEAKREF.
 766
 767 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 768
 769         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 770         (GTM::gtm_thread::drop_references_undolog): Remove.
 771         (GTM::gtm_thread::commit_undolog,
 772         GTM::gtm_thread::rollback_undolog): Move to ...
 773         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 774         (GTM::gtm_undolog_entry): Remove.
 775         (GTM::gtm_thread): Adapt.
 776         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 777         (GTM::gtm_thread::trycommit): Adapt.
 778         * method-serial.cc (serial_dispatch::log): Adapt.
 779         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 780         (gl_wt_dispatch::store): Fix likely/unlikely.
 781         * containers.h (GTM::vector::resize): Add additional_capacity
 782         parameter and handle it.
 783         (GTM::vector::resize_noinline): New/adapt.
 784         (GTM::vector::push): New.
 785
 786 2012-01-06  Richard Henderson  <rth@redhat.com>
 787
 788         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 789         * config/linux/powerpc/futex_bits.h: New file.
 790         * config/powerpc/cacheline.h: New file.
 791         * config/powerpc/sjlj.S: New file.
 792         * config/powerpc/target.h: New file.
 793         * config/generic/asmcfi.h (cfi_offset): New.
 794         (cfi_restore, cfi_undefined): New.
 795
 796 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 797
 798         PR other/51171
 799         * testsuite/libitm.c/reentrant.c: Remove xfail.
 800         (thread): Pass x to pure().
 801         From Patrik Marlier <patrick.marlier@gmail.com>.
 802
 803 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 804
 805         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 806         privatization safety if already in serial mode.
 807
 808 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 809
 810         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 811         finish_serial_upgrade parameter.
 812         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 813         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 814         Don't unset reader flag.
 815         (GTM::gtm_rwlock::write_upgrade_finish): New.
 816         * config/posix/rwlock.cc: Same.
 817         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 818         Declare.
 819         * config/posix/rwlock.h: Same.
 820         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 821         flag after commit or after rollback when restarting.
 822
 823 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 824
 825         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 826         (GTM::gtm_thread::try_commit): Changed memory order.
 827         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 828         as parameter.
 829         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 830         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 831         * config/linux/futex_bits.h (sys_futex0): Same.
 832         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 833         * config/linux/futex.h (futex_wait, futex_wake): Same.
 834         * config/linux/rwlock.h (gtm_rwlock::writers,
 835         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 836         ints.
 837         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 838         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 839         gtm_rwlock::write_unlock): Fix memory orders and fences.
 840         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 841         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 842         gtm_rwlock::write_unlock): Same.
 843         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 844         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 845         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 846         Add comments.
 847         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 848         gl_wt_dispatch::load, gl_wt_dispatch::store,
 849         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 850         orders and fences.  Add comments.
 851
 852 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 853
 854         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 855         * Makefile.in: Regenerated.
 856
 857 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 858
 859         * configure.tgt: Add sh* case.
 860         * config/sh/target.h: New file.
 861         * config/sh/sjlj.S: New file.
 862         * config/linux/sh/futex_bits.h: New file.
 863
 864 2011-12-14  Richard Henderson  <rth@redhat.com>
 865
 866         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 867         * config/arm/sjlj.S, config/arm/target.h: New files.
 868         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 869         (cfi_rel_offset): New.
 870         * config/linux/futex_bits.h: New file.
 871         * config/linux/futex.cc: Include futex_bits.h here...
 872         * config/linux/futex.h: ... not here.
 873         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 874         * configure.ac (ARCH_AM): New conditional.
 875         * Makefile.in, configure: Rebuild.
 876         * configure.tgt: Handle ARM.
 877
 878 2011-12-13  Richard Henderson  <rth@redhat.com>
 879
 880         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 881         signed/unsigned comparison werror.
 882
 883         * local_atomic: New file.
 884         * libitm_i.h: Include it.
 885         (gtm_thread::shared_state): Use atomic template.
 886         * beginend.cc (GTM::gtm_clock): Use atomic template.
 887         (global_tid): Use atomic template if 64-bit atomics available.
 888         (gtm_thread::gtm_thread): Update shared_state access.
 889         (gtm_thread::trycommit): Likewise.
 890         (choose_code_path): Update global_tid access.
 891         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 892         * stmlock.h (GTM::gtm_clock): Use atomic template.
 893         (gtm_get_clock, gtm_inc_clock): Update accesses.
 894         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 895         redundant __sync_synchronize after atomic shared_state access.
 896         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 897         (gtm_rwlock::write_lock_generic): Likewise.
 898         (gtm_rwlock::read_unlock): Likewise.
 899         * config/alpha/target.h (atomic_read_barrier): Remove.
 900         (atomic_write_barrier): Remove.
 901         * config/x86/target.h (atomic_read_barrier): Remove.
 902         (atomic_write_barrier): Remove.
 903
 904 2011-11-30  Richard Henderson  <rth@redhat.com>
 905
 906         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 907         * beginend.c (_ITM_abortTransaction): Update to match.
 908         (GTM::gtm_thread::restart): Likewise.
 909         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 910         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 911
 912 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 913
 914         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 915         * Makefile.in: Regenerate.
 916
 917 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 918
 919         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 920         * alloc_cpp.cc: Generate dummy functions if we don't
 921         HAVE_ELF_STYLE_WEAKREF.
 922         * eh_cpp.cc: Likewise.
 923         * configure: Regenerate.
 924         * aclocal.m4:  Likewise.
 925         * config.h.in: Likewise.
 926         * Makefile.in: Likewise.
 927         * testsuite/Makefile.in: Likewise.
 928
 929 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 930
 931         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 932         __USER_LABEL_PREFIX__ for targets that use it.
 933         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 934         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 935         in portability to non-elf targets.
 936         (GTM_longjmp): Likewise.
 937         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 938         where required.
 939
 940 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 941
 942         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 943         * testsuite/libitm.c/memset-1.c: Likewise.
 944
 945 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 946
 947         * configure: Regenerate.
 948
 949 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 950
 951         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 952         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 953         * Makefile.am: Handle sun style versioning.
 954         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 955         * configure: Regenerate.
 956         * Makefile.in: Regenerate.
 957
 958 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 959
 960         * config/generic/asmcfi.h: Fix comment.
 961         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 962         sequence without .hidden support, error for non-ELF targets.
 963         (GTM_longjmp) [__ELF__]: Only use .hidden if
 964         HAVE_ATTRIBUTE_VISIBILITY.
 965
 966 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 967
 968         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 969         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 970         Dummy functions.
 971         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 972         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 973
 974 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 975
 976         PR bootstrap/51098
 977         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 978         * configure: Regenerate.
 979
 980 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 981
 982         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 983
 984 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 985
 986         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 987         .hidden.
 988         (.note.GNU-stack): Only use if __linux__.
 989         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 990         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 991         * testsuite/libitm.c/reentrant.c: Likewise.
 992         * testsuite/libitm.c/simple-2.c: Likewise.
 993         * testsuite/libitm.c/txrelease.c: Likewise.
 994         * testsuite/libitm.c++/static_ctor.C: Likewise.
 995
 996 2011-11-10  Richard Henderson  <rth@redhat.com>
 997
 998         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 999         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1000         * configure.ac (ARCH_X86_AVX): New conditional.
1001         * Makefile.in, configure: Rebuild.
1002
1003 2011-11-09  Richard Henderson  <rth@redhat.com>
1004
1005         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1006         * configure.ac: Use it.
1007         * config.h.in, configure: Rebuild.
1008         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1009
1010 2011-11-09  Richard Henderson  <rth@redhat.com>
1011
1012         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1013         * config/alpha/unaligned.h: Remove file.
1014         * config/generic/unaligned.h: Remove file.
1015         * config/x86/unaligned.h: Remove file.
1016         * config/generic/cachepage.h: Remove file.
1017         * config/posix/cachepage.cc: Remove file.
1018         * config/generic/cacheline.cc: Remove file.
1019         * config/x86/cacheline.cc: Remove file.
1020         * config/generic/cacheline.h (gtm_cacheline): Remove the
1021         store_mask, copy_mask, copy_mask_wb methods.
1022         * config/x86/cacheline.h: Likewise.
1023         * config/alpha/cacheline.h: Fall back to generic after setting size.
1024         * config/generic/tls.cc (gtm_mask_stack): Remove.
1025         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1026         (GTM_vpalignr_table): Remove.
1027         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1028         (GTM_pshift_table): Remove.
1029         * config/libitm_i.h: Don't include cachepage.h.
1030         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1031         * Makefile.in, testsuite/Makefile.in: Rebuild.
1032
1033 2011-11-09  Richard Henderson  <rth@redhat.com>
1034
1035         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1036         to emit branch prediction hint.
1037
1038         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1039         Protect .note.GNU-stack with __linux__.
1040
1041         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1042         * configure, aclocal.m4, config.h.in: Rebuild.
1043         * config/generic/asmcfi.h: New file.
1044         * config/x86/sjlj.S: Use it.
1045
1046 2011-11-08  Richard Henderson  <rth@redhat.com>
1047
1048         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1049
1050 2011-11-08  Richard Henderson  <rth@redhat.com>
1051
1052         * configure.tgt: Test correct directory for supported cpus.
1053
1054         * configure.ac: Exit if unsupported.
1055         * configure: Rebuild.
1056         * configure.tgt: Delete boilerplate from libgomp for unsupported
1057         targets.  Set UNSUPPORTED for unsupported targets.
1058
1059 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1060
1061         * configure.tgt: Handle i386 like i[456]86.
1062         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1063         take address.
1064         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1065         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1066
1067 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1068
1069         * method-wbetl.cc: Update copyright notice.
1070         * aatree.cc: Same.
1071         * util.cc: Same.
1072         * libitm.h: Same.
1073         * memset.cc: Same.
1074         * eh_cpp.cc: Same.
1075         * barrier.tpl: Same.
1076         * useraction.cc: Same.
1077         * stmlock.h: Same.
1078         * memcpy.cc: Same.
1079         * common.h: Same.
1080         * config/generic/tls.cc: Same.
1081         * config/generic/cacheline.h: Same.
1082         * config/generic/cachepage.h: Same.
1083         * config/generic/cacheline.cc: Same.
1084         * config/generic/unaligned.h: Same.
1085         * config/x86/cacheline.h: Same.
1086         * config/x86/cacheline.cc: Same.
1087         * config/x86/unaligned.h: Same.
1088         * config/alpha/cacheline.h: Same.
1089         * config/alpha/unaligned.h: Same.
1090         * config/alpha/sjlj.S: Same.
1091         * config/posix/cachepage.cc: Same.
1092         * config/linux/futex.h: Same.
1093         * config/linux/alpha/futex_bits.h: Same.
1094
1095 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1096
1097         * libitm.texi: No cover text and invariant sections.
1098
1099 2011-11-03  Richard Henderson  <rth@redhat.com>
1100
1101         * local_type_traits: New file.
1102         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1103
1104 2011-11-03  Richard Henderson  <rth@redhat.com>
1105
1106         * configure.ac: Don't test for gfortran.
1107         * configure: Rebuild.
1108
1109         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1110         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1111
1112 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1113
1114         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1115         * testsuite/libitm.c/memset-1.c: Same.
1116         * testsuite/libitm.c/c.exp: Same.
1117         * testsuite/lib/libitm-dg.exp: Same.
1118         * testsuite/lib/libitm.exp: Same.
1119         * testsuite/libitm.c++/c++.exp: Same.
1120
1121 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1122
1123         * testsuite/config/default.exp: Update copyright date.
1124         * configure.ac: Add copyright info.
1125         * configure.tgt: Same.
1126
1127 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1128
1129         * testsuite/libitm.c/reentrant.c: XFAIL.
1130         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1131
1132 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1133
1134         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1135         handle aborts.
1136         (_ITM_abortTransaction): Handle aborts of outer transactions.
1137         * libitm_i.h: Same.
1138         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1139         * libitm.texi: Document aborts of outer transactions.
1140         * testsuite/libitm.c/cancel.c: New file.
1141
1142 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1143
1144         * testsuite/*: Change __transaction to __transaction_atomic or
1145         __transaction_relaxed.
1146
1147 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1148
1149         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1150         (gtm_thr): Same.
1151
1152 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1153
1154         * libitm_i.h: Add gl_wt dispatch.
1155         * retry.cc (parse_default_method): Same.
1156         * method-gl.cc: New file.
1157         * Makefile.am: Use method-gl.cc.
1158         * Makefile.in: Rebuild.
1159
1160 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1161
1162         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1163         safety if requested by a TM method.
1164         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1165         privatization safety.
1166         * method-serial.cc: Same.
1167
1168 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1169
1170         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1171         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1172         undolog-related member functions from *_local to *_undolog.
1173         * local.cc (gtm_thread::commit_undolog): Same.
1174         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1175         (GTM::gtm_thread::rollback): Roll back undolog before
1176         dispatch-specific rollback.
1177
1178 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1179
1180         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1181         re-initialization of the current method group.
1182         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1183
1184 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1185
1186         * alloc.cc (commit_allocations_2): Do not free transaction-local
1187         memory when committing a nested transaction.
1188
1189 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1190
1191         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1192         serial-irrevocable dispatch, not serial.
1193
1194 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1195
1196         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1197         declarations.
1198         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1199         * method-serial.cc: Implement begin_or_restart().
1200         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1201         dispatch-specific begin_or_restart().
1202         (GTM::gtm_thread::restart): Same.
1203
1204 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1205
1206         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1207         restarting without switching to serial mode.
1208         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1209         transaction state. Choose closed-nesting alternative if available.
1210         (GTM::gtm_thread::set_default_dispatch): New.
1211         (parse_default_method): New.
1212         (GTM::gtm_thread::number_of_threads_changed): New.
1213         * method-serial.cc (GTM::serial_mg): New method group class.
1214         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1215         fini.
1216         (GTM::serial_dispatch): Same.
1217         (GTM::serialirr_onwrite_dispatch): Same.
1218         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1219         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1220         registered threads.
1221         (GTM::gtm_thread::gtm_thread): Same.
1222         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1223         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1224         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1225         choose dispatch but set state according to dispatch here.
1226         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1227         (GTM::method_group): New class.
1228         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1229         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1230         * libitm.texi: Document TM methods, method groups, method life cycle.
1231         Rename method sets to method groups.
1232
1233 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1234
1235         * config/x86/tls.h: Moved to ...
1236         * config/linux/x86/tls.h: ... here.
1237
1238 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1239
1240         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1241         Add X32 support.
1242         * config/x86/sjlj.S: Same.
1243
1244 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1245
1246         * config/linux/rwlock.h: New file.
1247         * config/linux/rwlock.c: New file.
1248         * configure.ac: Reenable futex support (undo SVN rev 157758).
1249         * Makefile.am: Same.
1250         * configure.tgt: Same.
1251         * config/linux/alpha/futex_bits.h: Same.
1252         * config/linux/futex.h: Same. Return number of woken processes.
1253         * config/linux/futex.cc: Same.
1254         (futex_wait): Remove spinning.
1255         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1256         Use __x86_64__ instead of __LP64__.
1257         * aclocal.m4: Include generic futex checks.
1258         * configure: Rebuild.
1259         * Makefile.in: Rebuild.
1260         * testsuite/Makefile.in: Rebuild.
1261         * beginend.cc: Include pthread.h.
1262         * config/posix/cachepage.cc: Same.
1263
1264 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1265
1266         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1267         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1268         (set_gtm_thr): New.
1269         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1270         (set_gtm_thr): New.
1271         (GTM::gtm_thread::thread_num): Removed.
1272         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1273         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1274         tx-to-thread renaming.
1275         * beginend.cc: Adapted to tx-to-thread renaming.
1276         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1277         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1278         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1279         gtm_transaction to gtm_thread.
1280         (_ITM_getThreadnum): Removed. Not supported anymore.
1281         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1282         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1283         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1284         gtm_tx-to-gtm_thr renaming if necessary.
1285         * eh_cpp.cc: Same.
1286         * local.cc: Same.
1287         * retry.cc: Same.
1288         * clone.cc: Same.
1289         * alloc.cc: Same.
1290         * alloc_c.cc: Same.
1291         * alloc_cpp.cc: Same.
1292         * method-serial.cc: Same.
1293         * config/generic/tls.cc: Same.
1294         * config/posix/rwlock.h (gtm_rwlock): Same.
1295         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1296
1297 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1298
1299         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1300         implementation.
1301         (gtm_rwlock::read_unlock): Same.
1302         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1303         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1304         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1305         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1306         w_upgrade. Replaced by per-transaction flags (in shared_state).
1307         Added c_confirmed_writers.
1308         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1309         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1310         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1311         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1312         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1313         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1314         * libitm.texi: Document locking conventions and implementations in
1315         libitm.
1316
1317 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1318
1319         * libitm_i.h (next_tx): Add list of all threads' transaction.
1320         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1321         transaction with list of transactions and ...
1322         (thread_exit_handler): ... deregister here.
1323         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1324         * config/x86/target.h: Same.
1325
1326 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1327
1328         * testsuite/libitm.c++/static_ctor.C: New file.
1329
1330 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1331
1332         * testsuite/libitm.c/reentrant.c: New file.
1333
1334 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1335
1336         * config/generic/tls.h: Remove the free list for transactions and ...
1337         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1338         (GTM::gtm_transaction::operator delete): ... and release here.
1339         (thread_exit_handler): New. Delete tx when thread terminates.
1340         (thread_exit_init): New.
1341         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1342         * testsuite/libitm.c/txrelease.c: New file.
1343
1344 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1345
1346         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1347         * testsuite/libitm.c/notx.c: New file.
1348
1349 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1350
1351         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1352         * libitm_i.h (local_tid): ... to here.
1353         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1354         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1355
1356 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1357
1358         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1359         serialirr_onwrite_dispatch as new default for now.
1360         * method-serial.cc (serialirr_onwrite_dispatch): New.
1361         (GTM::dispatch_serialirr_onwrite): New.
1362         * libitm_i.h: Same.
1363
1364 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1365
1366         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1367         * query.cc (_ITM_getTransactionId): There is no active transaction if
1368         the current nesting level is zero.
1369
1370 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1371
1372         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1373         rollback.
1374
1375 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1376
1377         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1378         transaction properties from the caller instead of from the
1379         transaction object.
1380         * libitm_i.h: Same.
1381         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1382
1383 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1384
1385         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1386         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1387         * dispatch.h: Same.
1388         * method-serial.cc: Same.
1389         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1390         flat nesting as default, and closed nesting on demand.
1391         (GTM::gtm_transaction::rollback): Same.
1392         (_ITM_abortTransaction): Same.
1393         (GTM::gtm_transaction::restart): Same.
1394         (GTM::gtm_transaction::trycommit): Same.
1395         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1396         (choose_code_path): New.
1397         (GTM::gtm_transaction_cp::save): New.
1398         (GTM::gtm_transaction_cp::commit): New.
1399         * query.cc (_ITM_inTransaction): Support flat nesting.
1400         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1401         (GTM::gtm_transaction): Support flat and closed nesting.
1402         * alloc.cc (commit_allocations_2): New.
1403         (commit_cb_data): New helper struct.
1404         (GTM::gtm_transaction::commit_allocations): Handle nested
1405         commits/rollbacks.
1406         * libitm.texi: Update user action section, add description of nesting.
1407
1408 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1409
1410         * libitm_i.h: Add closed nesting as restart reason.
1411         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1412
1413 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1414
1415         * useraction.cc: Use vector instead of list to store actions.
1416         Also support partial rollbacks for closed nesting.
1417         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1418         * beginend.cc: Same.
1419
1420 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1421
1422         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1423         closed_nesting flags, as well as a closed nesting alternative.
1424         * method-serial.cc: Same.
1425         (serial_dispatch): Renamed to serialirr_dispatch.
1426         (GTM::dispatch_serialirr): Same.
1427         (serial_dispatch_ul): Renamed to serial_dispatch.
1428         (GTM::dispatch_serial): Same.
1429
1430 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1431
1432         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1433
1434 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1435
1436         * aatree.h (aa_tree::remove): New.
1437         (aa_tree::operator new): Add placement new.
1438
1439 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1440
1441         * containers.h: New file.
1442         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1443         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1444         * common.h: ... to here.
1445         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1446         * local.cc: Same.
1447
1448 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1449
1450         * libitm_i.h (STATE_ABORTING): Remove.
1451         * beginend.cc (_ITM_abortTransaction): Same.
1452         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1453         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1454         (_ITM_rollbackTransaction): Remove.
1455         * beginend.cc: Same.
1456         * libitm.map: Same.
1457         * libitm.texi: Document these ABI changes.
1458
1459 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1460
1461         * libitm.texi: New file.
1462         * Makefile.am: Add libitm.texi.
1463         * Makefile.in: Rebuild.
1464
1465 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1466
1467         * libitm_i.h: Move parts to common.h and dispatch.h.
1468         * common.h: New file.
1469         * dispatch.h: New file, new dispatch class.
1470         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1471         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1472         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1473         decision to retry.cc.
1474         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1475         only.
1476         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1477         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1478         logging.
1479         * barrier.cc: Use new barriers definitions.
1480         (abi_dispatch::memmove_overlap_check): New.
1481         * config/x86/x86_sse.cc: Same.
1482         * config/x86/x86_avx.cc: Same.
1483         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1484         memcpy.cc.
1485         * Makefile.in: Rebuild.
1486         * method-readonly.cc: Remove.
1487         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1488         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1489
1490 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1491
1492         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1493         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1494         * testsuite/libitm.c/dropref-2.c: Same.
1495         * testsuite/libitm.c/dropref.c: Same.
1496
1497 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1498
1499         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1500         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1501         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1502         * alloc_c.cc: Same.
1503         * barrier.tpl: Same.
1504         * beginend.c: Same.
1505         * config/generic/tls.h: Same.
1506         * config/x86/tls.h: Same.
1507         * libitm_i.h: Same.
1508         * memcpy.cc: Same.
1509         * memset.cc: Same.
1510         * method-readonly.cc: Same.
1511         * method-serial.cc: Same.
1512         * method-wbetl.cc: Same.
1513         * retry.cc: Same.
1514
1515 2011-03-03  Richard Henderson  <rth@redhat.com>
1516
1517         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1518         From Patrik Marlier <patrick.marlier@unine.ch>.
1519
1520 2011-02-03  Richard Henderson  <rth@redhat.com>
1521
1522         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1523         * configure.ac: Use it.
1524         * configure, config.h.in: Rebuild.
1525         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1526         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1527         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1528         * libitm.map: Use wildcards to match size_t mangling.
1529
1530 2010-12-14  Richard Henderson  <rth@redhat.com>
1531
1532         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1533         blocks of TIDs per thread.
1534         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1535         (setup_gtm_thr): Return the thread structure.
1536         * config/x86/tls.h (setup_gtm_thr): Likewise.
1537
1538 2010-12-14  Richard Henderson  <rth@redhat.com>
1539
1540         * clone.cc (table_lock): Remove.
1541         (find_clone): Don't take it.
1542         (ExcludeTransaction): New helper class.
1543         (_ITM_registerTMCloneTable): Use it.
1544         (_ITM_deregisterTMCloneTable): Likewise.
1545
1546 2010-12-14  Richard Henderson  <rth@redhat.com>
1547
1548         * config/x86/tls.h: New file.
1549
1550 2010-07-15  Richard Henderson  <rth@redhat.com>
1551
1552         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1553         * Makefile.in: Rebuild.
1554
1555 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1556
1557         * method-wbetl.cc (trydropreference): Fix source line.
1558
1559 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1560
1561         * libitm.h: Add comment.
1562         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1563
1564 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1565
1566         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1567         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1568         available, use pthread mutexes.
1569         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1570         * config.h.in: Regenerate.
1571         * configure: Regenerate.
1572
1573 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1574
1575         * libitm.h (ITM_PURE): Define.
1576         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1577
1578 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1579
1580         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1581         (validate): Add comment.
1582         (trydropreference): New.
1583         * method-readonly.cc (class readonly_dispatch): Add
1584         trydropreference.
1585         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1586         Call trydropreference().
1587         * libitm.h (_ITM_dropReferences): Remove const attribute.
1588         * method-serial.cc (class serial_dispatch): Add trydropreference.
1589         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1590
1591 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1592
1593         * memcpy.cc (do_memcpy): Comment.
1594
1595 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1596
1597         * barrier.tpl: Add comments throughout.
1598
1599 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1600
1601         * method-wbetl.cc (struct w_entry): Add comments.
1602         (trycommit): Same.
1603         (rollback): Same.
1604
1605 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1606
1607         * alloc_c.cc (_ITM_dropReferences): New.
1608         * libitm.map (_ITM_dropReferences): Add.
1609         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1610         * libitm_i.h (struct gtm_transaction): Declare
1611         drop_references_allocations and drop_references_local.
1612         * local.cc (rollback_local): Ignore memory when applicable.
1613         (drop_references_local): New.
1614
1615 2010-06-23  Richard Henderson  <rth@redhat.com>
1616
1617         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1618         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1619         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1620         * config/alpha/target.h: Likewise.
1621         * config/generic/tls.cc (gtm_mask_stack): Use it.
1622
1623 2010-06-23  Richard Henderson  <rth@redhat.com>
1624
1625         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1626         a mutex instead of trying a lock-free compare-and-swap on the list.
1627         (gtm_cacheline_page::operator delete): Likewise.
1628
1629 2010-06-16  Richard Henderson  <rth@redhat.com>
1630
1631         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1632         that overlap the libitm stack.
1633         * barrier.tpl: Mark incoming stack.
1634         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1635         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1636         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1637         * memcpy.cc, memset.cc: Likewise.
1638         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1639         * config/generic/tls.h (gtm_thread): Add stack_top member.
1640         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1641         * libitm_i.h (gtm_mask_stack): Declare.
1642         * config/generic/tls.cc: New file.
1643         * Makefile.am (libitm_la_SOURCES): Add it.
1644         (AM_CXXFLAGS): Turn off exceptions.
1645         * Makefile.in: Rebuild.
1646
1647 2010-06-16  Richard Henderson  <rth@redhat.com>
1648
1649         * alloc.cc (struct gtm_alloc_action): Move definition ...
1650         * libitm_i.h: ... here.
1651         (class gtm_transaction): Declare new and delete.
1652         * beginend.cc (alloc_tx): Reformulate as operator new.
1653         (free_tx): Reformulate as operator delete.
1654         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1655
1656 2010-06-11  Richard Henderson  <rth@redhat.com>
1657
1658         * clone.cc (clone_entry_compare): Fix typo.
1659         From Patrik Marlier <patrick.marlier@unine.ch>.
1660
1661 2010-05-13  Richard Henderson  <rth@redhat.com>
1662
1663         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1664         in extern "C".
1665
1666 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1667
1668         * libitm_i.h (struct gtm_transaction): Remove
1669         get_allocation_size.
1670         (record_allocation): Remove size parameter.
1671         * libitm.map (_ITM_realloc): Remove.
1672         * alloc_c.cc (_ITM_realloc): Remove.
1673         (_ITM_malloc): Remove size argument to record_allocation.
1674         (_ITM_calloc): Same.
1675         * alloc_cpp.cc (_ZGTtnwm): Same.
1676         (_ZGTtnwmRKSt9nothrow_t): Same.
1677         (_ZGTtnam): Same.
1678         (_ZGTtnamRKSt9nothrow_t): Same.
1679         * alloc.cc (struct gtm_alloc_action): Remove size.
1680         (get_allocation_size): Remove.
1681         (commit_allocations): Add comment.
1682         (record_allocation): Remove size parameter.
1683         (forget_allocation): Remove set of size.
1684
1685 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1686
1687         * Makefile.am (abi_version): New.
1688         (AM_CXXFLAGS): Pass abi_version.
1689         * Makefile.in: Regenerate.
1690         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1691
1692 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1693
1694         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1695         _ITM_getTMCloneOrIrrevokable.
1696         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1697         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1698
1699 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1700
1701         * configure.ac: Remove Linux futex support.
1702         * configure.tgt (config_path): Same.
1703         * Makefile.am: Same.
1704         * config/linux: Remove entire directory.
1705         * configure: Rebuild.
1706         * Makefile.in: Rebuild.
1707         * testsuite/Makefile.in: Rebuild.
1708
1709 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1710
1711         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1712         switching to serial mode.
1713         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1714
1715 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1716
1717         * configure.tgt: Add emacs -*- tags.
1718         * barrier.tpl: Same.
1719
1720 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1721
1722         * Makefile.am: Rename serial.cc to method-serial.cc.
1723         * Makefile.in: Regenerate with automake 1.11.1.
1724         * testsuite/Makefile.in: Same.
1725         * aclocal.m4: Regenerate with aclocal 1.11.1.
1726         * method-serial.cc: Rename from serial.cc.
1727         * libitm_i.h (struct gtm_transaction): Update comment on
1728         serialirr_mode.
1729
1730 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1731
1732         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1733         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1734
1735 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1736
1737         * configure: Rebuild.
1738
1739 2009-11-12  Richard Henderson  <rth@redhat.com>
1740
1741         * Rewrite everything in C++.
1742
1743 2009-11-03  Richard Henderson  <rth@redhat.com>
1744
1745         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1746         * Makefile.am (libitm_la_SOURCES): Add them.
1747         * configure.ac (ARCH_X86): New conditional.
1748         * Makefile.in, configure: Rebuild.
1749         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1750         Move futex setup into "other system configury" case.
1751         * local.c (rollback_local): Merge into ...
1752         (GTM_rollback_local): ... here.
1753         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1754         (_ITM_LB): Define as an alias to GTM_LB.
1755
1756 2009-11-03  Richard Henderson  <rth@redhat.com>
1757
1758         * method-readonly.c: New file.
1759         * Makefile.am (libitm_la_SOURCES): Add it.
1760         * Makefile.in: Rebuild.
1761         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1762         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1763         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1764         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1765         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1766         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1767         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1768         gtm_get_clock, gtm_inc_clock): New.
1769         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1770         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1771         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1772         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1773         replace uses with new libitm_i.h symbols.
1774         (dispatch_wbetl): Rename from wbetl_dispatch.
1775         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1776         away from dispatch_readonly; abort if the beginTransaction call
1777         asserted that the transaction was readonly.
1778
1779 2009-11-03  Richard Henderson  <rth@redhat.com>
1780
1781         * memset.c: New file.
1782         * Makefile.am (libitm_la_SOURCES): Add it.
1783         * Makefile.in: Rebuild.
1784         * testsuite/libitm.c/memset-1.c: New.
1785
1786 2009-11-03  Richard Henderson  <rth@redhat.com>
1787
1788         * dispatch.c: Remove file.
1789         * useraction.c (struct gtm_user_action): Move from libitm.h.
1790         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1791         (serial_memset, serial_memmove, serial_memcpy): Remove.
1792         (serial_W*, serial_R*): Remove.
1793         (serial_dispatch): Update to match.
1794         * configure.ac: Move Werror down below configure checks.  Don't
1795         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1796         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1797         Use GCC_AC_FUNC_MMAP_BLACKLIST
1798         * libitm.h: Split out all internal items to...
1799         * libitm_i.h: ... here.  New file.
1800         * copymask.c: New file.
1801         * local.c (struct gtm_local_undo): Move from libitm.h.
1802         (GTM_alloc_local): Rename from alloc_local; export.
1803         * memcpy.c: New file.
1804         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1805         * config/posix/page.c: New file.
1806         * config/posix/target_tls.h: Remove file.
1807         * barrier.c: New file.
1808         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1809         copymask.c, page.c.
1810         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1811         * method-wbetl.c: Rewrite for new cacheline methods.
1812         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1813
1814         * config/alpha/sjlj.S: Fix typo.
1815         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1816         * config/alpha/copymask.c: New file.
1817         * config/alpha/target.h (CACHELINE_SIZE): New.
1818         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1819
1820         * config/x86/target_i.h: Copy functions from x86/target.h.
1821         * config/x86/copymask.c: New file.
1822         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1823         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1824         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1825         * config/x86/target_tls.h: Move contents to target_i.h.
1826
1827         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1828         * testsuite/libitm.c/memcpy-1.c: New.
1829
1830 2009-10-22  Richard Henderson  <rth@redhat.com>
1831
1832         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1833         (AM_CCASFLAGS): New.
1834         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1835         saving/restoring _AC_ARG_VAR_PRECIOUS.
1836         * Makefile.in, aclocal.m4, config.h.in, configure,
1837         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1838
1839 2009-10-22  Richard Henderson  <rth@redhat.com>
1840
1841         * testsuite/*: Update for new compiler syntax.
1842
1843 2009-10-21  Richard Henderson  <rth@redhat.com>
1844
1845         * libitm.h (_ITM_abortReason): Add outerAbort.
1846
1847 2009-08-03  Richard Henderson  <rth@redhat.com>
1848
1849         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1850         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1851         * method-wbetl.c (struct w_entry): Remove mask.
1852         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1853         adjust all callers.
1854
1855 2009-07-22  Richard Henderson  <rth@redhat.com>
1856
1857         * eh_cpp.c: New file.
1858         * Makefile.am (libitm_la_SOURCES): Add it.
1859         * Makefile.in: Rebuild.
1860         * beginend.c (GTM_rollback_transaction): Undo exception state.
1861         (GTM_trycommit_transaction): Mark inline.
1862         (GTM_trycommit_and_finalize_transaction): Split out from ...
1863         (_ITM_commitTransaction): ... here.
1864         (_ITM_commitTransactionEH): New function.
1865         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1866         cxa_unthrown, eh_in_flight; reorder.
1867
1868         * testsuite/libitm.c++/c++.exp: New.
1869         * testsuite/libitm.c++/eh-1.C: New.
1870
1871         * aatree.c (aa_free): Remove REGPARM.
1872         * aatree.h: Remove all REGPARM.
1873
1874 2009-07-18  Richard Henderson  <rth@redhat.com>
1875
1876         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1877         * Makefile.am (libitm_la_SOURCES): Add them.
1878         * Makefile.in: Rebuild.
1879         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1880         (GTM_trycommit_transaction): Likewise.
1881         * libitm.h: Include aatree.h
1882         (struct gtm_alloc_action): New.
1883         (struct gtm_transaction): Add alloc_actions.
1884         (GTM_record_allocation, GTM_forget_allocation): Declare.
1885         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1886         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1887         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1888         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1889         _ZGTtdaPvRKSt9nothrow_t): Export.
1890
1891 2009-07-18  Richard Henderson  <rth@redhat.com>
1892
1893         * target_tls.h: Move ...
1894         * config/posix/target_tls.h: ... here.
1895
1896 2009-07-07  Richard Henderson  <rth@redhat.com>
1897
1898         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1899
1900 2009-07-07  Richard Henderson  <rth@redhat.com>
1901
1902         * Update to GPL3.
1903
1904 2009-07-07  Richard Henderson  <rth@redhat.com>
1905
1906         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1907         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1908
1909         * configure.tgt: Don't use -ftls-model for x86 linux.
1910         * libitm.h: Include target.h after standard includes.
1911         (_gtm_thr): Rename from gtm_thr.
1912         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1913         (gtm_disp, set_gtm_disp): New.
1914         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1915         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1916         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1917
1918 2009-07-07  Richard Henderson  <rth@redhat.com>
1919
1920         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1921
1922 2009-07-06  Richard Henderson  <rth@redhat.com>
1923
1924         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1925         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1926         (_ITM_beginTransaction): Take variadic arguments.
1927         (_ITM_registerThrownObject): Declare.
1928         * beginend.c, serial.c: Update.
1929         * libitm.map: Add _ITM_registerThrownObject.
1930
1931 2009-01-28  Richard Henderson  <rth@redhat.com>
1932
1933         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1934         * Makefile.in: Rebuild.
1935         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1936         (GTM_restart_transaction): Fix uninstrumented code check.
1937         * retry.c (GTM_decide_retry_strategy): Add serial check.
1938         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1939         automatically go irrevokable when in serial mode.
1940         * clone.c: New file.
1941         * libitm.h, libitm.map: Update.
1942
1943 2009-01-27  Richard Henderson  <rth@redhat.com>
1944
1945         * Makefile.am (LTCCASCOMPILE): Define.
1946         (libitm_la_SOURCES): Add methid-wbetl.c.
1947         * testsuite/Makefile.am: New
1948         * configure.ac: Add testsuite/Makefile.
1949         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1950         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1951         (_ITM_abortTransaction): Finalize implementation method; pass
1952         transaction properties to longjmp.
1953         (GTM_restart_transaction): Split out from ...
1954         (_ITM_commitTransaction): ... here.
1955         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1956         Move to config/x86/target.h.
1957         * config/linux/alpha/futex_bits.h: New.
1958         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1959         * config/x86/target.h: Disable target types for 32-bit.
1960         * config/alpha/sjlj.S, config/alpha/target.h: New.
1961         * libitm.h (struct gtm_dispatch): Add init, fini.
1962         (enum restart_reason): New.
1963         (struct gtm_transaction): Add method and restarts.
1964         * retry.c (GTM_decide_retry_strategy): Implement.
1965         * serial.c (serial_init, serial_fini): New.
1966         (GTM_serialmode): Finialize outgoing method.
1967         * method-wbetl.c: New.
1968
1969 2008-12-09  Richard Henderson  <rth@redhat.com>
1970
1971         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1972         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1973         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1974         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1975         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1976         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1977         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1978         * serial.c (serial_R##T, serial_W##T): Likewise.
1979
1980 2008-11-21  Richard Henderson  <rth@redhat.com>
1981
1982         * Initial commit.
1983 \f
1984 Copyright (C) 2008-2016 Free Software Foundation, Inc.
1985
1986 Copying and distribution of this file, with or without modification,
1987 are permitted in any medium without royalty provided the copyright
1988 notice and this notice are preserved.