libitm/ChangeLog

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