libitm/ChangeLog

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