libitm/ChangeLog

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