libitm/ChangeLog

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