gcc-4_9/libitm/ChangeLog

   1 2014-04-22  Release Manager
   2
   3         * GCC 4.9.0 released.
   4
   5 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   6
   7         * config/generic/asmcfi.h: Also check for
   8         __GCC_HAVE_DWARF2_CFI_ASM.
   9
  10 2013-04-02  Richard Henderson  <rth@redhat.com>
  11
  12         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
  13         * config/arm/target.h, config/sh/target.h: Likewise.
  14         * config/sparc/target.h, config/x86/target.h: Likewise.
  15
  16 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
  17
  18         * config/linux/futex_bits.h: Include errno.h.
  19         (sys_futex0): If syscall returns -1, return -errno rather than
  20         -1.
  21
  22 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
  23
  24         * libitm.texi (Index): Rename to Library Index.
  25
  26 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
  27
  28         PR libitm/53113
  29         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
  30         (x86_avx.lo): Append -mavx to CXXFLAGS.
  31         * Makefile.in: Regenerate.
  32
  33 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
  34
  35         Update copyright years
  36
  37 2014-01-02  Tobias Burnus  <burnus@net-b.de>
  38
  39         * libitm.texi: Bump @copying's copyright year.
  40
  41 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
  42
  43         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
  44         (FUNC): Define ELFv2 variant.
  45         (END): Likewise.
  46         (HIDDEN): Likewise.
  47         (CALL): Likewise.
  48         (BASE): Likewise.
  49         (LR_SAVE): Likewise.
  50
  51 2013-09-20  Alan Modra  <amodra@gmail.com>
  52
  53         * configure: Regenerate.
  54
  55 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  56
  57         * config/posix/rwlock.cc: Fix initialization order.
  58
  59 2013-08-30  Torvald Riegel  <triegel@redhat.com>
  60
  61         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
  62         (htm_fastpath): Assign an asm name.
  63         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
  64         HTM fast paths.
  65         (_ITM_actions): Likewise.
  66         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
  67         x86_64.
  68         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
  69         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
  70         field to the start of the structure.
  71         * config/linux/rwlock.h (gtm_rwlock): Update comments.
  72         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
  73         handling for custom HTM fast paths.
  74
  75 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  76         Revert:
  77         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  78
  79         * configure.tgt: Add -msoft-float to XCFLAGS.
  80
  81 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  82
  83         * configure.tgt: Add -msoft-float to XCFLAGS.
  84
  85 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  86
  87         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  88         (htm_transaction_active): Enable zEC12 instructions in the
  89         assembler.
  90         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  91
  92 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  93
  94         * acinclude.m4: Add htm asm check for s390.
  95         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
  96         * configure: Regenerate.
  97         * config/s390/target.h: Remove __HTM__ check.
  98         (htm_available): Call getauxval to get hwcaps and check whether
  99         HTM is available or not.
 100
 101 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 102
 103         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 104         * configure.ac: Use it.
 105         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 106         (AC_CHECK_FUNCS): Check for getauxval.
 107         * config.h.in, configure: Rebuild.
 108         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 109         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 110         (USE_HTM_FASTPATH): Define.
 111         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 112         _HTM_RETRIES) New macros.
 113         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 114         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 115
 116 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 117
 118         * config/s390/target.h: Include htmintrin.h.
 119         (_HTM_ITM_RETRIES): New macro definition.
 120         (htm_available, htm_init, htm_begin, htm_begin_success)
 121         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 122
 123 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 124             Cesar Philippidis  <cesar@codesourcery.com>
 125
 126         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 127         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 128         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 129         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 130
 131 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 132
 133         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 134         (_ITM_getTransactionId): Same.
 135         * config/x86/target.h (htm_transaction_active): New.
 136
 137 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 138
 139         PR libitm/57643
 140         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 141         the HTM fastpath.
 142
 143 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 144
 145         PR bootstrap/56714
 146         * local_atomic (__always_inline): Always define our version.
 147         (__calculate_memory_order): Mark inline.
 148         (atomic_thread_fence): Ditto.
 149         (atomic_signal_fence): Ditto.
 150         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 151         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 152         (atomic_bool::atomic_flag_test_and_set): Ditto.
 153         (atomic_bool::atomic_flag_clear): Ditto.
 154
 155 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 156
 157         * config/s390/sjlj.S: New file.
 158         * config/s390/target.h: New file.
 159         * configure.tgt: Set options for S/390.
 160
 161 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 162
 163         * local_atomic (__always_inline): Add.
 164         (__calculate_memory_order, atomic_thread_fence,
 165          atomic_signal_fence, test_and_set, clear, store, load,
 166          exchange, compare_exchange_weak, compare_exchange_strong,
 167          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 168         Add __always_inline to force inlining.
 169
 170 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 171             Jack Howarth  <howarth@bromo.med.uc.edu>
 172             Patrick Marlier  <patrick.marlier@gmail.com>
 173
 174         PR libitm/55693
 175         * alloc_cpp.cc: Enable function declarations on darwin.
 176         * eh_cpp.cc: Likewise.
 177
 178 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 179
 180         Update copyright years.
 181
 182 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 183
 184         * beginend.cc (htm_fastpath): New.
 185         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 186         _ITM_commitTransactionEH): Add HTM fastpath handling.
 187         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 188         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 189         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 190         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 191         * configure.tgt: Add -mrtm to XCFLAGS.
 192         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 193         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 194         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 195         * retry.cc (parse_default_method): Add HTM method parsing.
 196         (gtm_thread::number_of_threads_changed): Use HTM by default if
 197         available.
 198
 199 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 200
 201         * configure: Regenerate.
 202
 203 2012-10-31  Richard Henderson  <rth@redhat.com>
 204
 205         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 206         * configure.ac: Use it.
 207         * config.h.in, configure: Rebuild.
 208         * testsuite/Makefile.in: Rebuild.
 209
 210 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 211
 212         * libitm.texi: Clarify ABI requirements for data-logging functions.
 213
 214 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 215
 216         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 217         it requires serial mode instead of assuming that for certain
 218         dispatchs.
 219         * dispatch.h (abi_dispatch::requires_serial): New.
 220         (abi_dispatch::abi_dispatch): Adapt.
 221         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 222         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 223         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 224         serial_dispatch::serial_dispatch,
 225         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 226
 227 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 228
 229         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 230         and ia32 declarations some more.
 231         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 232
 233 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 234
 235         PR other/43620
 236         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 237         * configure: Regenerate.
 238         * Makefile.in: Regenerate.
 239
 240 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 241
 242         * configure: Regenerated.
 243
 244 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 245
 246         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 247
 248 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 249
 250         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 251
 252 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 253
 254         * configure: Regenerated.
 255
 256 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 257
 258         PR libitm/52854
 259         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 260         for x86-64.
 261
 262 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 263
 264         * configure: Regenerate.
 265
 266 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 267
 268         PR bootstrap/52812
 269         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 270
 271 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 272
 273         * testsuite/lib/libitm.exp: load fortran-modules.exp
 274
 275 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 276
 277         * configure.tgt (*-*-irix6*): Remove.
 278
 279 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 280
 281         PR libitm/52526
 282         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 283         wake-up.
 284
 285 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 286
 287         * configure.tgt (*-*-osf*): Remove.
 288         * configure: Regenerate.
 289
 290 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 291
 292         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 293         memtransfer/memset if size isn't larger than zero.
 294
 295 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 296
 297         * libitm.texi: Link to specification and add a usage example.
 298
 299 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 300
 301         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 302         default dispatch for more than 1 thread to ml_wt.
 303
 304 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 305
 306         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 307
 308 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 309
 310         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 311
 312 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 313
 314         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 315         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 316         (gl_wt_dispatch.rollback): Same.
 317
 318 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 319
 320         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 321
 322 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 323
 324         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 325         for RfW src.  Optimize number of calls to gtm_thr.
 326
 327 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 328
 329         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 330         acquisition to ...
 331         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 332         (default_dispatch): Make atomic.
 333         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 334         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 335         use decide_begin_dispatch() if default_dispatch might have changed.
 336         (GTM::gtm_thread::number_of_threads_changed): Initialize
 337         default_dispatch here.
 338
 339 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 340             Patrick Marlier  <patrick.marlier@gmail.com>
 341
 342         PR libitm/52220
 343         * alloc_cpp.cc: No dummy definitions for darwin.
 344         * eh_cpp.cc: Likewise.
 345
 346 2012-02-14  Richard Henderson  <rth@redhat.com>
 347
 348         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 349
 350 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 351
 352         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 353
 354 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 355
 356         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 357         (GTM::gtm_thread): Add read and write logs.
 358         (GTM::dispatch_ml_wt): Declare.
 359         * retry.cc (parse_default_method): Support ml_wt.
 360         * method-ml.cc: New file.
 361         * Makefile.am: Add method-ml.cc.
 362         * Makefile.in: Regenerate.
 363
 364 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 365
 366         * dispatch.h (GTM::abi_dispatch::supports): New.
 367         (GTM::method_group::reinit): New.
 368         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 369         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 370         supports the current situation.
 371
 372 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 373
 374         * util.cc (GTM::xcalloc): New.
 375         * common.h (GTM::xcalloc): Declare.
 376
 377 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 378
 379         * config/sparc/target.h (cpu_relax): Read from CC register.
 380         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 381
 382 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 383
 384         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 385
 386 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 387
 388         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 389         * config/sparc/cacheline.h: New file.
 390         * config/sparc/target.h: Likewise.
 391         * config/sparc/sjlj.S: Likewise.
 392         * config/linux/sparc/futex_bits.h: Likewise.
 393
 394 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 395
 396         * configure.ac (link_itm): Fix comment.
 397         * configure: Regenerate.
 398         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 399
 400 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 401
 402         PR libitm/51822
 403         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 404         Correct libgomp references.
 405
 406 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 407
 408         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 409         wake-up.
 410
 411 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 412
 413         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 414         end of structure.
 415         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 416         offset values.  Do not copy return address.  Decrement stack
 417         by 56 bytes only.
 418         (GTM_longjump) [__x86_64__]: Update offset values.
 419
 420 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 421
 422         PR libitm/51830
 423         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 424         the first function argument to %eax.
 425
 426 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 427
 428         * libitm.h (_ITM_getThreadnum): Remove.
 429         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 430
 431 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 432
 433         * clearcap.map: New file.
 434         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 435         * configure.ac: Call it.
 436         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 437         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 438         * configure: Regenerate.
 439         * Makefile.in: Regenerate.
 440         * testsuite/Makefile.in: Regenerate.
 441
 442 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 443
 444         PR libitm/51173
 445         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 446         include, exclude options.
 447
 448 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 449
 450         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 451         rolling back.
 452         * containers.h (GTM::vector::set_size): New.
 453
 454 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 455
 456         PR libitm/51855
 457         * config/generic/tls.h (GTM::mask_stack_top): New.
 458         (GTM::mask_stack_bottom): Declare.
 459         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 460         * local.cc (gtm_undolog::rollback): Filter out any updates that
 461         overlap the libitm stack.  Add current transaction as parameter.
 462         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 463         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 464         * testsuite/libitm.c/stackundo.c: New test.
 465
 466 2012-01-10  Richard Henderson  <rth@redhat.com>
 467
 468         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 469         * eh_cpp.cc (_Unwind_DeleteException): Define for
 470         !HAVE_ELF_STYLE_WEAKREF.
 471
 472 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 473
 474         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 475         (GTM::gtm_thread::drop_references_undolog): Remove.
 476         (GTM::gtm_thread::commit_undolog,
 477         GTM::gtm_thread::rollback_undolog): Move to ...
 478         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 479         (GTM::gtm_undolog_entry): Remove.
 480         (GTM::gtm_thread): Adapt.
 481         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 482         (GTM::gtm_thread::trycommit): Adapt.
 483         * method-serial.cc (serial_dispatch::log): Adapt.
 484         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 485         (gl_wt_dispatch::store): Fix likely/unlikely.
 486         * containers.h (GTM::vector::resize): Add additional_capacity
 487         parameter and handle it.
 488         (GTM::vector::resize_noinline): New/adapt.
 489         (GTM::vector::push): New.
 490
 491 2012-01-06  Richard Henderson  <rth@redhat.com>
 492
 493         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 494         * config/linux/powerpc/futex_bits.h: New file.
 495         * config/powerpc/cacheline.h: New file.
 496         * config/powerpc/sjlj.S: New file.
 497         * config/powerpc/target.h: New file.
 498         * config/generic/asmcfi.h (cfi_offset): New.
 499         (cfi_restore, cfi_undefined): New.
 500
 501 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 502
 503         PR other/51171
 504         * testsuite/libitm.c/reentrant.c: Remove xfail.
 505         (thread): Pass x to pure().
 506         From Patrik Marlier <patrick.marlier@gmail.com>.
 507
 508 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 509
 510         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 511         privatization safety if already in serial mode.
 512
 513 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 514
 515         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 516         finish_serial_upgrade parameter.
 517         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 518         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 519         Don't unset reader flag.
 520         (GTM::gtm_rwlock::write_upgrade_finish): New.
 521         * config/posix/rwlock.cc: Same.
 522         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 523         Declare.
 524         * config/posix/rwlock.h: Same.
 525         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 526         flag after commit or after rollback when restarting.
 527
 528 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 529
 530         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 531         (GTM::gtm_thread::try_commit): Changed memory order.
 532         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 533         as parameter.
 534         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 535         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 536         * config/linux/futex_bits.h (sys_futex0): Same.
 537         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 538         * config/linux/futex.h (futex_wait, futex_wake): Same.
 539         * config/linux/rwlock.h (gtm_rwlock::writers,
 540         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 541         ints.
 542         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 543         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 544         gtm_rwlock::write_unlock): Fix memory orders and fences.
 545         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 546         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 547         gtm_rwlock::write_unlock): Same.
 548         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 549         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 550         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 551         Add comments.
 552         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 553         gl_wt_dispatch::load, gl_wt_dispatch::store,
 554         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 555         orders and fences.  Add comments.
 556
 557 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 558
 559         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 560         * Makefile.in: Regenerated.
 561
 562 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 563
 564         * configure.tgt: Add sh* case.
 565         * config/sh/target.h: New file.
 566         * config/sh/sjlj.S: New file.
 567         * config/linux/sh/futex_bits.h: New file.
 568
 569 2011-12-14  Richard Henderson  <rth@redhat.com>
 570
 571         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 572         * config/arm/sjlj.S, config/arm/target.h: New files.
 573         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 574         (cfi_rel_offset): New.
 575         * config/linux/futex_bits.h: New file.
 576         * config/linux/futex.cc: Include futex_bits.h here...
 577         * config/linux/futex.h: ... not here.
 578         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 579         * configure.ac (ARCH_AM): New conditional.
 580         * Makefile.in, configure: Rebuild.
 581         * configure.tgt: Handle ARM.
 582
 583 2011-12-13  Richard Henderson  <rth@redhat.com>
 584
 585         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 586         signed/unsigned comparison werror.
 587
 588         * local_atomic: New file.
 589         * libitm_i.h: Include it.
 590         (gtm_thread::shared_state): Use atomic template.
 591         * beginend.cc (GTM::gtm_clock): Use atomic template.
 592         (global_tid): Use atomic template if 64-bit atomics available.
 593         (gtm_thread::gtm_thread): Update shared_state access.
 594         (gtm_thread::trycommit): Likewise.
 595         (choose_code_path): Update global_tid access.
 596         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 597         * stmlock.h (GTM::gtm_clock): Use atomic template.
 598         (gtm_get_clock, gtm_inc_clock): Update accesses.
 599         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 600         redundant __sync_synchronize after atomic shared_state access.
 601         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 602         (gtm_rwlock::write_lock_generic): Likewise.
 603         (gtm_rwlock::read_unlock): Likewise.
 604         * config/alpha/target.h (atomic_read_barrier): Remove.
 605         (atomic_write_barrier): Remove.
 606         * config/x86/target.h (atomic_read_barrier): Remove.
 607         (atomic_write_barrier): Remove.
 608
 609 2011-11-30  Richard Henderson  <rth@redhat.com>
 610
 611         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 612         * beginend.c (_ITM_abortTransaction): Update to match.
 613         (GTM::gtm_thread::restart): Likewise.
 614         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 615         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 616
 617 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 618
 619         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 620         * Makefile.in: Regenerate.
 621
 622 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 623
 624         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 625         * alloc_cpp.cc: Generate dummy functions if we don't
 626         HAVE_ELF_STYLE_WEAKREF.
 627         * eh_cpp.cc: Likewise.
 628         * configure: Regenerate.
 629         * aclocal.m4:  Likewise.
 630         * config.h.in: Likewise.
 631         * Makefile.in: Likewise.
 632         * testsuite/Makefile.in: Likewise.
 633
 634 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 635
 636         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 637         __USER_LABEL_PREFIX__ for targets that use it.
 638         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 639         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 640         in portability to non-elf targets.
 641         (GTM_longjmp): Likewise.
 642         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 643         where required.
 644
 645 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 646
 647         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 648         * testsuite/libitm.c/memset-1.c: Likewise.
 649
 650 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 651
 652         * configure: Regenerate.
 653
 654 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 655
 656         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 657         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 658         * Makefile.am: Handle sun style versioning.
 659         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 660         * configure: Regenerate.
 661         * Makefile.in: Regenerate.
 662
 663 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 664
 665         * config/generic/asmcfi.h: Fix comment.
 666         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 667         sequence without .hidden support, error for non-ELF targets.
 668         (GTM_longjmp) [__ELF__]: Only use .hidden if
 669         HAVE_ATTRIBUTE_VISIBILITY.
 670
 671 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 672
 673         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 674         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 675         Dummy functions.
 676         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 677         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 678
 679 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 680
 681         PR bootstrap/51098
 682         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 683         * configure: Regenerate.
 684
 685 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 686
 687         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 688
 689 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 690
 691         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 692         .hidden.
 693         (.note.GNU-stack): Only use if __linux__.
 694         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 695         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 696         * testsuite/libitm.c/reentrant.c: Likewise.
 697         * testsuite/libitm.c/simple-2.c: Likewise.
 698         * testsuite/libitm.c/txrelease.c: Likewise.
 699         * testsuite/libitm.c++/static_ctor.C: Likewise.
 700
 701 2011-11-10  Richard Henderson  <rth@redhat.com>
 702
 703         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 704         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 705         * configure.ac (ARCH_X86_AVX): New conditional.
 706         * Makefile.in, configure: Rebuild.
 707
 708 2011-11-09  Richard Henderson  <rth@redhat.com>
 709
 710         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 711         * configure.ac: Use it.
 712         * config.h.in, configure: Rebuild.
 713         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 714
 715 2011-11-09  Richard Henderson  <rth@redhat.com>
 716
 717         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 718         * config/alpha/unaligned.h: Remove file.
 719         * config/generic/unaligned.h: Remove file.
 720         * config/x86/unaligned.h: Remove file.
 721         * config/generic/cachepage.h: Remove file.
 722         * config/posix/cachepage.cc: Remove file.
 723         * config/generic/cacheline.cc: Remove file.
 724         * config/x86/cacheline.cc: Remove file.
 725         * config/generic/cacheline.h (gtm_cacheline): Remove the
 726         store_mask, copy_mask, copy_mask_wb methods.
 727         * config/x86/cacheline.h: Likewise.
 728         * config/alpha/cacheline.h: Fall back to generic after setting size.
 729         * config/generic/tls.cc (gtm_mask_stack): Remove.
 730         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 731         (GTM_vpalignr_table): Remove.
 732         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 733         (GTM_pshift_table): Remove.
 734         * config/libitm_i.h: Don't include cachepage.h.
 735         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 736         * Makefile.in, testsuite/Makefile.in: Rebuild.
 737
 738 2011-11-09  Richard Henderson  <rth@redhat.com>
 739
 740         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 741         to emit branch prediction hint.
 742
 743         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 744         Protect .note.GNU-stack with __linux__.
 745
 746         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 747         * configure, aclocal.m4, config.h.in: Rebuild.
 748         * config/generic/asmcfi.h: New file.
 749         * config/x86/sjlj.S: Use it.
 750
 751 2011-11-08  Richard Henderson  <rth@redhat.com>
 752
 753         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 754
 755 2011-11-08  Richard Henderson  <rth@redhat.com>
 756
 757         * configure.tgt: Test correct directory for supported cpus.
 758
 759         * configure.ac: Exit if unsupported.
 760         * configure: Rebuild.
 761         * configure.tgt: Delete boilerplate from libgomp for unsupported
 762         targets.  Set UNSUPPORTED for unsupported targets.
 763
 764 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 765
 766         * configure.tgt: Handle i386 like i[456]86.
 767         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 768         take address.
 769         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 770         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 771
 772 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 773
 774         * method-wbetl.cc: Update copyright notice.
 775         * aatree.cc: Same.
 776         * util.cc: Same.
 777         * libitm.h: Same.
 778         * memset.cc: Same.
 779         * eh_cpp.cc: Same.
 780         * barrier.tpl: Same.
 781         * useraction.cc: Same.
 782         * stmlock.h: Same.
 783         * memcpy.cc: Same.
 784         * common.h: Same.
 785         * config/generic/tls.cc: Same.
 786         * config/generic/cacheline.h: Same.
 787         * config/generic/cachepage.h: Same.
 788         * config/generic/cacheline.cc: Same.
 789         * config/generic/unaligned.h: Same.
 790         * config/x86/cacheline.h: Same.
 791         * config/x86/cacheline.cc: Same.
 792         * config/x86/unaligned.h: Same.
 793         * config/alpha/cacheline.h: Same.
 794         * config/alpha/unaligned.h: Same.
 795         * config/alpha/sjlj.S: Same.
 796         * config/posix/cachepage.cc: Same.
 797         * config/linux/futex.h: Same.
 798         * config/linux/alpha/futex_bits.h: Same.
 799
 800 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 801
 802         * libitm.texi: No cover text and invariant sections.
 803
 804 2011-11-03  Richard Henderson  <rth@redhat.com>
 805
 806         * local_type_traits: New file.
 807         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 808
 809 2011-11-03  Richard Henderson  <rth@redhat.com>
 810
 811         * configure.ac: Don't test for gfortran.
 812         * configure: Rebuild.
 813
 814         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 815         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 816
 817 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 818
 819         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 820         * testsuite/libitm.c/memset-1.c: Same.
 821         * testsuite/libitm.c/c.exp: Same.
 822         * testsuite/lib/libitm-dg.exp: Same.
 823         * testsuite/lib/libitm.exp: Same.
 824         * testsuite/libitm.c++/c++.exp: Same.
 825
 826 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 827
 828         * testsuite/config/default.exp: Update copyright date.
 829         * configure.ac: Add copyright info.
 830         * configure.tgt: Same.
 831
 832 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 833
 834         * testsuite/libitm.c/reentrant.c: XFAIL.
 835         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 836
 837 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 838
 839         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 840         handle aborts.
 841         (_ITM_abortTransaction): Handle aborts of outer transactions.
 842         * libitm_i.h: Same.
 843         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 844         * libitm.texi: Document aborts of outer transactions.
 845         * testsuite/libitm.c/cancel.c: New file.
 846
 847 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 848
 849         * testsuite/*: Change __transaction to __transaction_atomic or
 850         __transaction_relaxed.
 851
 852 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 853
 854         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 855         (gtm_thr): Same.
 856
 857 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 858
 859         * libitm_i.h: Add gl_wt dispatch.
 860         * retry.cc (parse_default_method): Same.
 861         * method-gl.cc: New file.
 862         * Makefile.am: Use method-gl.cc.
 863         * Makefile.in: Rebuild.
 864
 865 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 866
 867         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 868         safety if requested by a TM method.
 869         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 870         privatization safety.
 871         * method-serial.cc: Same.
 872
 873 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 874
 875         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 876         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 877         undolog-related member functions from *_local to *_undolog.
 878         * local.cc (gtm_thread::commit_undolog): Same.
 879         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 880         (GTM::gtm_thread::rollback): Roll back undolog before
 881         dispatch-specific rollback.
 882
 883 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 884
 885         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 886         re-initialization of the current method group.
 887         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 888
 889 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 890
 891         * alloc.cc (commit_allocations_2): Do not free transaction-local
 892         memory when committing a nested transaction.
 893
 894 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 895
 896         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 897         serial-irrevocable dispatch, not serial.
 898
 899 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 900
 901         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 902         declarations.
 903         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 904         * method-serial.cc: Implement begin_or_restart().
 905         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 906         dispatch-specific begin_or_restart().
 907         (GTM::gtm_thread::restart): Same.
 908
 909 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 910
 911         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 912         restarting without switching to serial mode.
 913         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 914         transaction state. Choose closed-nesting alternative if available.
 915         (GTM::gtm_thread::set_default_dispatch): New.
 916         (parse_default_method): New.
 917         (GTM::gtm_thread::number_of_threads_changed): New.
 918         * method-serial.cc (GTM::serial_mg): New method group class.
 919         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 920         fini.
 921         (GTM::serial_dispatch): Same.
 922         (GTM::serialirr_onwrite_dispatch): Same.
 923         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 924         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 925         registered threads.
 926         (GTM::gtm_thread::gtm_thread): Same.
 927         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 928         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 929         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 930         choose dispatch but set state according to dispatch here.
 931         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 932         (GTM::method_group): New class.
 933         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 934         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 935         * libitm.texi: Document TM methods, method groups, method life cycle.
 936         Rename method sets to method groups.
 937
 938 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 939
 940         * config/x86/tls.h: Moved to ...
 941         * config/linux/x86/tls.h: ... here.
 942
 943 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 944
 945         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 946         Add X32 support.
 947         * config/x86/sjlj.S: Same.
 948
 949 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 950
 951         * config/linux/rwlock.h: New file.
 952         * config/linux/rwlock.c: New file.
 953         * configure.ac: Reenable futex support (undo SVN rev 157758).
 954         * Makefile.am: Same.
 955         * configure.tgt: Same.
 956         * config/linux/alpha/futex_bits.h: Same.
 957         * config/linux/futex.h: Same. Return number of woken processes.
 958         * config/linux/futex.cc: Same.
 959         (futex_wait): Remove spinning.
 960         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 961         Use __x86_64__ instead of __LP64__.
 962         * aclocal.m4: Include generic futex checks.
 963         * configure: Rebuild.
 964         * Makefile.in: Rebuild.
 965         * testsuite/Makefile.in: Rebuild.
 966         * beginend.cc: Include pthread.h.
 967         * config/posix/cachepage.cc: Same.
 968
 969 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 970
 971         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 972         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 973         (set_gtm_thr): New.
 974         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 975         (set_gtm_thr): New.
 976         (GTM::gtm_thread::thread_num): Removed.
 977         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 978         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 979         tx-to-thread renaming.
 980         * beginend.cc: Adapted to tx-to-thread renaming.
 981         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 982         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 983         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 984         gtm_transaction to gtm_thread.
 985         (_ITM_getThreadnum): Removed. Not supported anymore.
 986         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 987         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 988         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 989         gtm_tx-to-gtm_thr renaming if necessary.
 990         * eh_cpp.cc: Same.
 991         * local.cc: Same.
 992         * retry.cc: Same.
 993         * clone.cc: Same.
 994         * alloc.cc: Same.
 995         * alloc_c.cc: Same.
 996         * alloc_cpp.cc: Same.
 997         * method-serial.cc: Same.
 998         * config/generic/tls.cc: Same.
 999         * config/posix/rwlock.h (gtm_rwlock): Same.
1000         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1001
1002 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1003
1004         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1005         implementation.
1006         (gtm_rwlock::read_unlock): Same.
1007         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1008         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1009         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1010         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1011         w_upgrade. Replaced by per-transaction flags (in shared_state).
1012         Added c_confirmed_writers.
1013         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1014         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1015         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1016         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1017         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1018         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1019         * libitm.texi: Document locking conventions and implementations in
1020         libitm.
1021
1022 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1023
1024         * libitm_i.h (next_tx): Add list of all threads' transaction.
1025         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1026         transaction with list of transactions and ...
1027         (thread_exit_handler): ... deregister here.
1028         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1029         * config/x86/target.h: Same.
1030
1031 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1032
1033         * testsuite/libitm.c++/static_ctor.C: New file.
1034
1035 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1036
1037         * testsuite/libitm.c/reentrant.c: New file.
1038
1039 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1040
1041         * config/generic/tls.h: Remove the free list for transactions and ...
1042         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1043         (GTM::gtm_transaction::operator delete): ... and release here.
1044         (thread_exit_handler): New. Delete tx when thread terminates.
1045         (thread_exit_init): New.
1046         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1047         * testsuite/libitm.c/txrelease.c: New file.
1048
1049 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1050
1051         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1052         * testsuite/libitm.c/notx.c: New file.
1053
1054 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1055
1056         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1057         * libitm_i.h (local_tid): ... to here.
1058         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1059         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1060
1061 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1062
1063         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1064         serialirr_onwrite_dispatch as new default for now.
1065         * method-serial.cc (serialirr_onwrite_dispatch): New.
1066         (GTM::dispatch_serialirr_onwrite): New.
1067         * libitm_i.h: Same.
1068
1069 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1070
1071         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1072         * query.cc (_ITM_getTransactionId): There is no active transaction if
1073         the current nesting level is zero.
1074
1075 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1076
1077         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1078         rollback.
1079
1080 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1081
1082         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1083         transaction properties from the caller instead of from the
1084         transaction object.
1085         * libitm_i.h: Same.
1086         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1087
1088 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1089
1090         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1091         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1092         * dispatch.h: Same.
1093         * method-serial.cc: Same.
1094         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1095         flat nesting as default, and closed nesting on demand.
1096         (GTM::gtm_transaction::rollback): Same.
1097         (_ITM_abortTransaction): Same.
1098         (GTM::gtm_transaction::restart): Same.
1099         (GTM::gtm_transaction::trycommit): Same.
1100         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1101         (choose_code_path): New.
1102         (GTM::gtm_transaction_cp::save): New.
1103         (GTM::gtm_transaction_cp::commit): New.
1104         * query.cc (_ITM_inTransaction): Support flat nesting.
1105         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1106         (GTM::gtm_transaction): Support flat and closed nesting.
1107         * alloc.cc (commit_allocations_2): New.
1108         (commit_cb_data): New helper struct.
1109         (GTM::gtm_transaction::commit_allocations): Handle nested
1110         commits/rollbacks.
1111         * libitm.texi: Update user action section, add description of nesting.
1112
1113 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1114
1115         * libitm_i.h: Add closed nesting as restart reason.
1116         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1117
1118 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1119
1120         * useraction.cc: Use vector instead of list to store actions.
1121         Also support partial rollbacks for closed nesting.
1122         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1123         * beginend.cc: Same.
1124
1125 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1126
1127         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1128         closed_nesting flags, as well as a closed nesting alternative.
1129         * method-serial.cc: Same.
1130         (serial_dispatch): Renamed to serialirr_dispatch.
1131         (GTM::dispatch_serialirr): Same.
1132         (serial_dispatch_ul): Renamed to serial_dispatch.
1133         (GTM::dispatch_serial): Same.
1134
1135 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1136
1137         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1138
1139 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1140
1141         * aatree.h (aa_tree::remove): New.
1142         (aa_tree::operator new): Add placement new.
1143
1144 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1145
1146         * containers.h: New file.
1147         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1148         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1149         * common.h: ... to here.
1150         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1151         * local.cc: Same.
1152
1153 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1154
1155         * libitm_i.h (STATE_ABORTING): Remove.
1156         * beginend.cc (_ITM_abortTransaction): Same.
1157         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1158         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1159         (_ITM_rollbackTransaction): Remove.
1160         * beginend.cc: Same.
1161         * libitm.map: Same.
1162         * libitm.texi: Document these ABI changes.
1163
1164 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1165
1166         * libitm.texi: New file.
1167         * Makefile.am: Add libitm.texi.
1168         * Makefile.in: Rebuild.
1169
1170 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1171
1172         * libitm_i.h: Move parts to common.h and dispatch.h.
1173         * common.h: New file.
1174         * dispatch.h: New file, new dispatch class.
1175         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1176         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1177         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1178         decision to retry.cc.
1179         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1180         only.
1181         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1182         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1183         logging.
1184         * barrier.cc: Use new barriers definitions.
1185         (abi_dispatch::memmove_overlap_check): New.
1186         * config/x86/x86_sse.cc: Same.
1187         * config/x86/x86_avx.cc: Same.
1188         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1189         memcpy.cc.
1190         * Makefile.in: Rebuild.
1191         * method-readonly.cc: Remove.
1192         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1193         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1194
1195 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1196
1197         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1198         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1199         * testsuite/libitm.c/dropref-2.c: Same.
1200         * testsuite/libitm.c/dropref.c: Same.
1201
1202 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1203
1204         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1205         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1206         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1207         * alloc_c.cc: Same.
1208         * barrier.tpl: Same.
1209         * beginend.c: Same.
1210         * config/generic/tls.h: Same.
1211         * config/x86/tls.h: Same.
1212         * libitm_i.h: Same.
1213         * memcpy.cc: Same.
1214         * memset.cc: Same.
1215         * method-readonly.cc: Same.
1216         * method-serial.cc: Same.
1217         * method-wbetl.cc: Same.
1218         * retry.cc: Same.
1219
1220 2011-03-03  Richard Henderson  <rth@redhat.com>
1221
1222         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1223         From Patrik Marlier <patrick.marlier@unine.ch>.
1224
1225 2011-02-03  Richard Henderson  <rth@redhat.com>
1226
1227         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1228         * configure.ac: Use it.
1229         * configure, config.h.in: Rebuild.
1230         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1231         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1232         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1233         * libitm.map: Use wildcards to match size_t mangling.
1234
1235 2010-12-14  Richard Henderson  <rth@redhat.com>
1236
1237         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1238         blocks of TIDs per thread.
1239         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1240         (setup_gtm_thr): Return the thread structure.
1241         * config/x86/tls.h (setup_gtm_thr): Likewise.
1242
1243 2010-12-14  Richard Henderson  <rth@redhat.com>
1244
1245         * clone.cc (table_lock): Remove.
1246         (find_clone): Don't take it.
1247         (ExcludeTransaction): New helper class.
1248         (_ITM_registerTMCloneTable): Use it.
1249         (_ITM_deregisterTMCloneTable): Likewise.
1250
1251 2010-12-14  Richard Henderson  <rth@redhat.com>
1252
1253         * config/x86/tls.h: New file.
1254
1255 2010-07-15  Richard Henderson  <rth@redhat.com>
1256
1257         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1258         * Makefile.in: Rebuild.
1259
1260 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1261
1262         * method-wbetl.cc (trydropreference): Fix source line.
1263
1264 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1265
1266         * libitm.h: Add comment.
1267         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1268
1269 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1270
1271         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1272         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1273         available, use pthread mutexes.
1274         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1275         * config.h.in: Regenerate.
1276         * configure: Regenerate.
1277
1278 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1279
1280         * libitm.h (ITM_PURE): Define.
1281         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1282
1283 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1284
1285         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1286         (validate): Add comment.
1287         (trydropreference): New.
1288         * method-readonly.cc (class readonly_dispatch): Add
1289         trydropreference.
1290         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1291         Call trydropreference().
1292         * libitm.h (_ITM_dropReferences): Remove const attribute.
1293         * method-serial.cc (class serial_dispatch): Add trydropreference.
1294         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1295
1296 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1297
1298         * memcpy.cc (do_memcpy): Comment.
1299
1300 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1301
1302         * barrier.tpl: Add comments throughout.
1303
1304 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1305
1306         * method-wbetl.cc (struct w_entry): Add comments.
1307         (trycommit): Same.
1308         (rollback): Same.
1309
1310 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1311
1312         * alloc_c.cc (_ITM_dropReferences): New.
1313         * libitm.map (_ITM_dropReferences): Add.
1314         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1315         * libitm_i.h (struct gtm_transaction): Declare
1316         drop_references_allocations and drop_references_local.
1317         * local.cc (rollback_local): Ignore memory when applicable.
1318         (drop_references_local): New.
1319
1320 2010-06-23  Richard Henderson  <rth@redhat.com>
1321
1322         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1323         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1324         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1325         * config/alpha/target.h: Likewise.
1326         * config/generic/tls.cc (gtm_mask_stack): Use it.
1327
1328 2010-06-23  Richard Henderson  <rth@redhat.com>
1329
1330         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1331         a mutex instead of trying a lock-free compare-and-swap on the list.
1332         (gtm_cacheline_page::operator delete): Likewise.
1333
1334 2010-06-16  Richard Henderson  <rth@redhat.com>
1335
1336         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1337         that overlap the libitm stack.
1338         * barrier.tpl: Mark incoming stack.
1339         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1340         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1341         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1342         * memcpy.cc, memset.cc: Likewise.
1343         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1344         * config/generic/tls.h (gtm_thread): Add stack_top member.
1345         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1346         * libitm_i.h (gtm_mask_stack): Declare.
1347         * config/generic/tls.cc: New file.
1348         * Makefile.am (libitm_la_SOURCES): Add it.
1349         (AM_CXXFLAGS): Turn off exceptions.
1350         * Makefile.in: Rebuild.
1351
1352 2010-06-16  Richard Henderson  <rth@redhat.com>
1353
1354         * alloc.cc (struct gtm_alloc_action): Move definition ...
1355         * libitm_i.h: ... here.
1356         (class gtm_transaction): Declare new and delete.
1357         * beginend.cc (alloc_tx): Reformulate as operator new.
1358         (free_tx): Reformulate as operator delete.
1359         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1360
1361 2010-06-11  Richard Henderson  <rth@redhat.com>
1362
1363         * clone.cc (clone_entry_compare): Fix typo.
1364         From Patrik Marlier <patrick.marlier@unine.ch>.
1365
1366 2010-05-13  Richard Henderson  <rth@redhat.com>
1367
1368         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1369         in extern "C".
1370
1371 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1372
1373         * libitm_i.h (struct gtm_transaction): Remove
1374         get_allocation_size.
1375         (record_allocation): Remove size parameter.
1376         * libitm.map (_ITM_realloc): Remove.
1377         * alloc_c.cc (_ITM_realloc): Remove.
1378         (_ITM_malloc): Remove size argument to record_allocation.
1379         (_ITM_calloc): Same.
1380         * alloc_cpp.cc (_ZGTtnwm): Same.
1381         (_ZGTtnwmRKSt9nothrow_t): Same.
1382         (_ZGTtnam): Same.
1383         (_ZGTtnamRKSt9nothrow_t): Same.
1384         * alloc.cc (struct gtm_alloc_action): Remove size.
1385         (get_allocation_size): Remove.
1386         (commit_allocations): Add comment.
1387         (record_allocation): Remove size parameter.
1388         (forget_allocation): Remove set of size.
1389
1390 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1391
1392         * Makefile.am (abi_version): New.
1393         (AM_CXXFLAGS): Pass abi_version.
1394         * Makefile.in: Regenerate.
1395         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1396
1397 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1398
1399         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1400         _ITM_getTMCloneOrIrrevokable.
1401         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1402         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1403
1404 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1405
1406         * configure.ac: Remove Linux futex support.
1407         * configure.tgt (config_path): Same.
1408         * Makefile.am: Same.
1409         * config/linux: Remove entire directory.
1410         * configure: Rebuild.
1411         * Makefile.in: Rebuild.
1412         * testsuite/Makefile.in: Rebuild.
1413
1414 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1415
1416         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1417         switching to serial mode.
1418         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1419
1420 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1421
1422         * configure.tgt: Add emacs -*- tags.
1423         * barrier.tpl: Same.
1424
1425 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1426
1427         * Makefile.am: Rename serial.cc to method-serial.cc.
1428         * Makefile.in: Regenerate with automake 1.11.1.
1429         * testsuite/Makefile.in: Same.
1430         * aclocal.m4: Regenerate with aclocal 1.11.1.
1431         * method-serial.cc: Rename from serial.cc.
1432         * libitm_i.h (struct gtm_transaction): Update comment on
1433         serialirr_mode.
1434
1435 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1436
1437         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1438         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1439
1440 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1441
1442         * configure: Rebuild.
1443
1444 2009-11-12  Richard Henderson  <rth@redhat.com>
1445
1446         * Rewrite everything in C++.
1447
1448 2009-11-03  Richard Henderson  <rth@redhat.com>
1449
1450         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1451         * Makefile.am (libitm_la_SOURCES): Add them.
1452         * configure.ac (ARCH_X86): New conditional.
1453         * Makefile.in, configure: Rebuild.
1454         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1455         Move futex setup into "other system configury" case.
1456         * local.c (rollback_local): Merge into ...
1457         (GTM_rollback_local): ... here.
1458         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1459         (_ITM_LB): Define as an alias to GTM_LB.
1460
1461 2009-11-03  Richard Henderson  <rth@redhat.com>
1462
1463         * method-readonly.c: New file.
1464         * Makefile.am (libitm_la_SOURCES): Add it.
1465         * Makefile.in: Rebuild.
1466         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1467         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1468         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1469         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1470         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1471         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1472         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1473         gtm_get_clock, gtm_inc_clock): New.
1474         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1475         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1476         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1477         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1478         replace uses with new libitm_i.h symbols.
1479         (dispatch_wbetl): Rename from wbetl_dispatch.
1480         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1481         away from dispatch_readonly; abort if the beginTransaction call
1482         asserted that the transaction was readonly.
1483
1484 2009-11-03  Richard Henderson  <rth@redhat.com>
1485
1486         * memset.c: New file.
1487         * Makefile.am (libitm_la_SOURCES): Add it.
1488         * Makefile.in: Rebuild.
1489         * testsuite/libitm.c/memset-1.c: New.
1490
1491 2009-11-03  Richard Henderson  <rth@redhat.com>
1492
1493         * dispatch.c: Remove file.
1494         * useraction.c (struct gtm_user_action): Move from libitm.h.
1495         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1496         (serial_memset, serial_memmove, serial_memcpy): Remove.
1497         (serial_W*, serial_R*): Remove.
1498         (serial_dispatch): Update to match.
1499         * configure.ac: Move Werror down below configure checks.  Don't
1500         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1501         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1502         Use GCC_AC_FUNC_MMAP_BLACKLIST
1503         * libitm.h: Split out all internal items to...
1504         * libitm_i.h: ... here.  New file.
1505         * copymask.c: New file.
1506         * local.c (struct gtm_local_undo): Move from libitm.h.
1507         (GTM_alloc_local): Rename from alloc_local; export.
1508         * memcpy.c: New file.
1509         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1510         * config/posix/page.c: New file.
1511         * config/posix/target_tls.h: Remove file.
1512         * barrier.c: New file.
1513         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1514         copymask.c, page.c.
1515         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1516         * method-wbetl.c: Rewrite for new cacheline methods.
1517         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1518
1519         * config/alpha/sjlj.S: Fix typo.
1520         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1521         * config/alpha/copymask.c: New file.
1522         * config/alpha/target.h (CACHELINE_SIZE): New.
1523         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1524
1525         * config/x86/target_i.h: Copy functions from x86/target.h.
1526         * config/x86/copymask.c: New file.
1527         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1528         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1529         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1530         * config/x86/target_tls.h: Move contents to target_i.h.
1531
1532         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1533         * testsuite/libitm.c/memcpy-1.c: New.
1534
1535 2009-10-22  Richard Henderson  <rth@redhat.com>
1536
1537         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1538         (AM_CCASFLAGS): New.
1539         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1540         saving/restoring _AC_ARG_VAR_PRECIOUS.
1541         * Makefile.in, aclocal.m4, config.h.in, configure,
1542         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1543
1544 2009-10-22  Richard Henderson  <rth@redhat.com>
1545
1546         * testsuite/*: Update for new compiler syntax.
1547
1548 2009-10-21  Richard Henderson  <rth@redhat.com>
1549
1550         * libitm.h (_ITM_abortReason): Add outerAbort.
1551
1552 2009-08-03  Richard Henderson  <rth@redhat.com>
1553
1554         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1555         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1556         * method-wbetl.c (struct w_entry): Remove mask.
1557         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1558         adjust all callers.
1559
1560 2009-07-22  Richard Henderson  <rth@redhat.com>
1561
1562         * eh_cpp.c: New file.
1563         * Makefile.am (libitm_la_SOURCES): Add it.
1564         * Makefile.in: Rebuild.
1565         * beginend.c (GTM_rollback_transaction): Undo exception state.
1566         (GTM_trycommit_transaction): Mark inline.
1567         (GTM_trycommit_and_finalize_transaction): Split out from ...
1568         (_ITM_commitTransaction): ... here.
1569         (_ITM_commitTransactionEH): New function.
1570         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1571         cxa_unthrown, eh_in_flight; reorder.
1572
1573         * testsuite/libitm.c++/c++.exp: New.
1574         * testsuite/libitm.c++/eh-1.C: New.
1575
1576         * aatree.c (aa_free): Remove REGPARM.
1577         * aatree.h: Remove all REGPARM.
1578
1579 2009-07-18  Richard Henderson  <rth@redhat.com>
1580
1581         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1582         * Makefile.am (libitm_la_SOURCES): Add them.
1583         * Makefile.in: Rebuild.
1584         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1585         (GTM_trycommit_transaction): Likewise.
1586         * libitm.h: Include aatree.h
1587         (struct gtm_alloc_action): New.
1588         (struct gtm_transaction): Add alloc_actions.
1589         (GTM_record_allocation, GTM_forget_allocation): Declare.
1590         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1591         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1592         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1593         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1594         _ZGTtdaPvRKSt9nothrow_t): Export.
1595
1596 2009-07-18  Richard Henderson  <rth@redhat.com>
1597
1598         * target_tls.h: Move ...
1599         * config/posix/target_tls.h: ... here.
1600
1601 2009-07-07  Richard Henderson  <rth@redhat.com>
1602
1603         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1604
1605 2009-07-07  Richard Henderson  <rth@redhat.com>
1606
1607         * Update to GPL3.
1608
1609 2009-07-07  Richard Henderson  <rth@redhat.com>
1610
1611         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1612         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1613
1614         * configure.tgt: Don't use -ftls-model for x86 linux.
1615         * libitm.h: Include target.h after standard includes.
1616         (_gtm_thr): Rename from gtm_thr.
1617         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1618         (gtm_disp, set_gtm_disp): New.
1619         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1620         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1621         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1622
1623 2009-07-07  Richard Henderson  <rth@redhat.com>
1624
1625         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1626
1627 2009-07-06  Richard Henderson  <rth@redhat.com>
1628
1629         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1630         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1631         (_ITM_beginTransaction): Take variadic arguments.
1632         (_ITM_registerThrownObject): Declare.
1633         * beginend.c, serial.c: Update.
1634         * libitm.map: Add _ITM_registerThrownObject.
1635
1636 2009-01-28  Richard Henderson  <rth@redhat.com>
1637
1638         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1639         * Makefile.in: Rebuild.
1640         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1641         (GTM_restart_transaction): Fix uninstrumented code check.
1642         * retry.c (GTM_decide_retry_strategy): Add serial check.
1643         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1644         automatically go irrevokable when in serial mode.
1645         * clone.c: New file.
1646         * libitm.h, libitm.map: Update.
1647
1648 2009-01-27  Richard Henderson  <rth@redhat.com>
1649
1650         * Makefile.am (LTCCASCOMPILE): Define.
1651         (libitm_la_SOURCES): Add methid-wbetl.c.
1652         * testsuite/Makefile.am: New
1653         * configure.ac: Add testsuite/Makefile.
1654         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1655         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1656         (_ITM_abortTransaction): Finalize implementation method; pass
1657         transaction properties to longjmp.
1658         (GTM_restart_transaction): Split out from ...
1659         (_ITM_commitTransaction): ... here.
1660         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1661         Move to config/x86/target.h.
1662         * config/linux/alpha/futex_bits.h: New.
1663         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1664         * config/x86/target.h: Disable target types for 32-bit.
1665         * config/alpha/sjlj.S, config/alpha/target.h: New.
1666         * libitm.h (struct gtm_dispatch): Add init, fini.
1667         (enum restart_reason): New.
1668         (struct gtm_transaction): Add method and restarts.
1669         * retry.c (GTM_decide_retry_strategy): Implement.
1670         * serial.c (serial_init, serial_fini): New.
1671         (GTM_serialmode): Finialize outgoing method.
1672         * method-wbetl.c: New.
1673
1674 2008-12-09  Richard Henderson  <rth@redhat.com>
1675
1676         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1677         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1678         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1679         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1680         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1681         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1682         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1683         * serial.c (serial_R##T, serial_W##T): Likewise.
1684
1685 2008-11-21  Richard Henderson  <rth@redhat.com>
1686
1687         * Initial commit.