libitm/ChangeLog

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