libitm/ChangeLog

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