libitm/ChangeLog

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