libitm/ChangeLog

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