libitm/ChangeLog

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