libitm/ChangeLog

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