libitm/ChangeLog

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