libitm/ChangeLog

   1 2012-06-14  Release Manager
   2
   3         * GCC 4.7.1 released.
   4
   5 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
   6
   7         Backported from mainline
   8         2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
   9
  10         PR libitm/52854
  11         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
  12         for x86-64.
  13
  14 2012-03-22  Release Manager
  15
  16         * GCC 4.7.0 released.
  17
  18 2012-03-13  Torvald Riegel  <triegel@redhat.com>
  19
  20         PR libitm/52526
  21         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
  22         wake-up.
  23
  24 2012-03-02  Torvald Riegel  <triegel@redhat.com>
  25
  26         * libitm.texi: Link to specification and add a usage example.
  27
  28 2012-02-24  Torvald Riegel  <triegel@redhat.com>
  29
  30         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
  31         default dispatch for more than 1 thread to ml_wt.
  32
  33 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  34
  35         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
  36
  37 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  38
  39         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
  40
  41 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  42
  43         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
  44         serial mode corner cases made obsolete by prior gtm_rwlock changes.
  45         (gl_wt_dispatch.rollback): Same.
  46
  47 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  48
  49         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
  50
  51 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  52
  53         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
  54         for RfW src.  Optimize number of calls to gtm_thr.
  55
  56 2012-02-20  Torvald Riegel  <triegel@redhat.com>
  57
  58         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
  59         acquisition to ...
  60         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
  61         (default_dispatch): Make atomic.
  62         (GTM::gtm_thread::set_default_dispatch): Access atomically.
  63         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
  64         use decide_begin_dispatch() if default_dispatch might have changed.
  65         (GTM::gtm_thread::number_of_threads_changed): Initialize
  66         default_dispatch here.
  67
  68 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
  69             Patrick Marlier  <patrick.marlier@gmail.com>
  70
  71         PR libitm/52220
  72         * alloc_cpp.cc: No dummy definitions for darwin.
  73         * eh_cpp.cc: Likewise.
  74
  75 2012-02-14  Richard Henderson  <rth@redhat.com>
  76
  77         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
  78
  79 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
  80
  81         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
  82
  83 2012-02-14  Torvald Riegel  <triegel@redhat.com>
  84
  85         * libitm_i.h (GTM::gtm_rwlog_entry): New.
  86         (GTM::gtm_thread): Add read and write logs.
  87         (GTM::dispatch_ml_wt): Declare.
  88         * retry.cc (parse_default_method): Support ml_wt.
  89         * method-ml.cc: New file.
  90         * Makefile.am: Add method-ml.cc.
  91         * Makefile.in: Regenerate.
  92
  93 2012-02-14  Torvald Riegel  <triegel@redhat.com>
  94
  95         * dispatch.h (GTM::abi_dispatch::supports): New.
  96         (GTM::method_group::reinit): New.
  97         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
  98         (GTM::gtm_thread::number_of_threads_changed): Check that the method
  99         supports the current situation.
 100
 101 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 102
 103         * util.cc (GTM::xcalloc): New.
 104         * common.h (GTM::xcalloc): Declare.
 105
 106 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 107
 108         * config/sparc/target.h (cpu_relax): Read from CC register.
 109         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 110
 111 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 112
 113         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 114
 115 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 116
 117         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 118         * config/sparc/cacheline.h: New file.
 119         * config/sparc/target.h: Likewise.
 120         * config/sparc/sjlj.S: Likewise.
 121         * config/linux/sparc/futex_bits.h: Likewise.
 122
 123 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 124
 125         * configure.ac (link_itm): Fix comment.
 126         * configure: Regenerate.
 127         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 128
 129 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 130
 131         PR libitm/51822
 132         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 133         Correct libgomp references.
 134
 135 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 136
 137         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 138         wake-up.
 139
 140 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 141
 142         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 143         end of structure.
 144         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 145         offset values.  Do not copy return address.  Decrement stack
 146         by 56 bytes only.
 147         (GTM_longjump) [__x86_64__]: Update offset values.
 148
 149 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 150
 151         PR libitm/51830
 152         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 153         the first function argument to %eax.
 154
 155 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 156
 157         * libitm.h (_ITM_getThreadnum): Remove.
 158         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 159
 160 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 161
 162         * clearcap.map: New file.
 163         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 164         * configure.ac: Call it.
 165         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 166         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 167         * configure: Regenerate.
 168         * Makefile.in: Regenerate.
 169         * testsuite/Makefile.in: Regenerate.
 170
 171 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 172
 173         PR libitm/51173
 174         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 175         include, exclude options.
 176
 177 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 178
 179         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 180         rolling back.
 181         * containers.h (GTM::vector::set_size): New.
 182
 183 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 184
 185         PR libitm/51855
 186         * config/generic/tls.h (GTM::mask_stack_top): New.
 187         (GTM::mask_stack_bottom): Declare.
 188         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 189         * local.cc (gtm_undolog::rollback): Filter out any updates that
 190         overlap the libitm stack.  Add current transaction as parameter.
 191         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 192         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 193         * testsuite/libitm.c/stackundo.c: New test.
 194
 195 2012-01-10  Richard Henderson  <rth@redhat.com>
 196
 197         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 198         * eh_cpp.cc (_Unwind_DeleteException): Define for
 199         !HAVE_ELF_STYLE_WEAKREF.
 200
 201 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 202
 203         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 204         (GTM::gtm_thread::drop_references_undolog): Remove.
 205         (GTM::gtm_thread::commit_undolog,
 206         GTM::gtm_thread::rollback_undolog): Move to ...
 207         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 208         (GTM::gtm_undolog_entry): Remove.
 209         (GTM::gtm_thread): Adapt.
 210         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 211         (GTM::gtm_thread::trycommit): Adapt.
 212         * method-serial.cc (serial_dispatch::log): Adapt.
 213         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 214         (gl_wt_dispatch::store): Fix likely/unlikely.
 215         * containers.h (GTM::vector::resize): Add additional_capacity
 216         parameter and handle it.
 217         (GTM::vector::resize_noinline): New/adapt.
 218         (GTM::vector::push): New.
 219
 220 2012-01-06  Richard Henderson  <rth@redhat.com>
 221
 222         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 223         * config/linux/powerpc/futex_bits.h: New file.
 224         * config/powerpc/cacheline.h: New file.
 225         * config/powerpc/sjlj.S: New file.
 226         * config/powerpc/target.h: New file.
 227         * config/generic/asmcfi.h (cfi_offset): New.
 228         (cfi_restore, cfi_undefined): New.
 229
 230 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 231
 232         PR other/51171
 233         * testsuite/libitm.c/reentrant.c: Remove xfail.
 234         (thread): Pass x to pure().
 235         From Patrik Marlier <patrick.marlier@gmail.com>.
 236
 237 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 238
 239         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 240         privatization safety if already in serial mode.
 241
 242 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 243
 244         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 245         finish_serial_upgrade parameter.
 246         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 247         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 248         Don't unset reader flag.
 249         (GTM::gtm_rwlock::write_upgrade_finish): New.
 250         * config/posix/rwlock.cc: Same.
 251         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 252         Declare.
 253         * config/posix/rwlock.h: Same.
 254         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 255         flag after commit or after rollback when restarting.
 256
 257 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 258
 259         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 260         (GTM::gtm_thread::try_commit): Changed memory order.
 261         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 262         as parameter.
 263         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 264         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 265         * config/linux/futex_bits.h (sys_futex0): Same.
 266         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 267         * config/linux/futex.h (futex_wait, futex_wake): Same.
 268         * config/linux/rwlock.h (gtm_rwlock::writers,
 269         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 270         ints.
 271         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 272         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 273         gtm_rwlock::write_unlock): Fix memory orders and fences.
 274         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 275         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 276         gtm_rwlock::write_unlock): Same.
 277         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 278         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 279         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 280         Add comments.
 281         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 282         gl_wt_dispatch::load, gl_wt_dispatch::store,
 283         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 284         orders and fences.  Add comments.
 285
 286 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 287
 288         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 289         * Makefile.in: Regenerated.
 290
 291 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 292
 293         * configure.tgt: Add sh* case.
 294         * config/sh/target.h: New file.
 295         * config/sh/sjlj.S: New file.
 296         * config/linux/sh/futex_bits.h: New file.
 297
 298 2011-12-14  Richard Henderson  <rth@redhat.com>
 299
 300         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 301         * config/arm/sjlj.S, config/arm/target.h: New files.
 302         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 303         (cfi_rel_offset): New.
 304         * config/linux/futex_bits.h: New file.
 305         * config/linux/futex.cc: Include futex_bits.h here...
 306         * config/linux/futex.h: ... not here.
 307         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 308         * configure.ac (ARCH_AM): New conditional.
 309         * Makefile.in, configure: Rebuild.
 310         * configure.tgt: Handle ARM.
 311
 312 2011-12-13  Richard Henderson  <rth@redhat.com>
 313
 314         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 315         signed/unsigned comparison werror.
 316
 317         * local_atomic: New file.
 318         * libitm_i.h: Include it.
 319         (gtm_thread::shared_state): Use atomic template.
 320         * beginend.cc (GTM::gtm_clock): Use atomic template.
 321         (global_tid): Use atomic template if 64-bit atomics available.
 322         (gtm_thread::gtm_thread): Update shared_state access.
 323         (gtm_thread::trycommit): Likewise.
 324         (choose_code_path): Update global_tid access.
 325         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 326         * stmlock.h (GTM::gtm_clock): Use atomic template.
 327         (gtm_get_clock, gtm_inc_clock): Update accesses.
 328         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 329         redundant __sync_synchronize after atomic shared_state access.
 330         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 331         (gtm_rwlock::write_lock_generic): Likewise.
 332         (gtm_rwlock::read_unlock): Likewise.
 333         * config/alpha/target.h (atomic_read_barrier): Remove.
 334         (atomic_write_barrier): Remove.
 335         * config/x86/target.h (atomic_read_barrier): Remove.
 336         (atomic_write_barrier): Remove.
 337
 338 2011-11-30  Richard Henderson  <rth@redhat.com>
 339
 340         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 341         * beginend.c (_ITM_abortTransaction): Update to match.
 342         (GTM::gtm_thread::restart): Likewise.
 343         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 344         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 345
 346 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 347
 348         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 349         * Makefile.in: Regenerate.
 350
 351 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 352
 353         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 354         * alloc_cpp.cc: Generate dummy functions if we don't
 355         HAVE_ELF_STYLE_WEAKREF.
 356         * eh_cpp.cc: Likewise.
 357         * configure: Regenerate.
 358         * aclocal.m4:  Likewise.
 359         * config.h.in: Likewise.
 360         * Makefile.in: Likewise.
 361         * testsuite/Makefile.in: Likewise.
 362
 363 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 364
 365         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 366         __USER_LABEL_PREFIX__ for targets that use it.
 367         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 368         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 369         in portability to non-elf targets.
 370         (GTM_longjmp): Likewise.
 371         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 372         where required.
 373
 374 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 375
 376         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 377         * testsuite/libitm.c/memset-1.c: Likewise.
 378
 379 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 380
 381         * configure: Regenerate.
 382
 383 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 384
 385         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 386         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 387         * Makefile.am: Handle sun style versioning.
 388         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 389         * configure: Regenerate.
 390         * Makefile.in: Regenerate.
 391
 392 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 393
 394         * config/generic/asmcfi.h: Fix comment.
 395         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 396         sequence without .hidden support, error for non-ELF targets.
 397         (GTM_longjmp) [__ELF__]: Only use .hidden if
 398         HAVE_ATTRIBUTE_VISIBILITY.
 399
 400 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 401
 402         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 403         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 404         Dummy functions.
 405         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 406         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 407
 408 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 409
 410         PR bootstrap/51098
 411         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 412         * configure: Regenerate.
 413
 414 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 415
 416         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 417
 418 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 419
 420         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 421         .hidden.
 422         (.note.GNU-stack): Only use if __linux__.
 423         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 424         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 425         * testsuite/libitm.c/reentrant.c: Likewise.
 426         * testsuite/libitm.c/simple-2.c: Likewise.
 427         * testsuite/libitm.c/txrelease.c: Likewise.
 428         * testsuite/libitm.c++/static_ctor.C: Likewise.
 429
 430 2011-11-10  Richard Henderson  <rth@redhat.com>
 431
 432         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 433         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 434         * configure.ac (ARCH_X86_AVX): New conditional.
 435         * Makefile.in, configure: Rebuild.
 436
 437 2011-11-09  Richard Henderson  <rth@redhat.com>
 438
 439         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 440         * configure.ac: Use it.
 441         * config.h.in, configure: Rebuild.
 442         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 443
 444 2011-11-09  Richard Henderson  <rth@redhat.com>
 445
 446         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 447         * config/alpha/unaligned.h: Remove file.
 448         * config/generic/unaligned.h: Remove file.
 449         * config/x86/unaligned.h: Remove file.
 450         * config/generic/cachepage.h: Remove file.
 451         * config/posix/cachepage.cc: Remove file.
 452         * config/generic/cacheline.cc: Remove file.
 453         * config/x86/cacheline.cc: Remove file.
 454         * config/generic/cacheline.h (gtm_cacheline): Remove the
 455         store_mask, copy_mask, copy_mask_wb methods.
 456         * config/x86/cacheline.h: Likewise.
 457         * config/alpha/cacheline.h: Fall back to generic after setting size.
 458         * config/generic/tls.cc (gtm_mask_stack): Remove.
 459         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 460         (GTM_vpalignr_table): Remove.
 461         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 462         (GTM_pshift_table): Remove.
 463         * config/libitm_i.h: Don't include cachepage.h.
 464         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 465         * Makefile.in, testsuite/Makefile.in: Rebuild.
 466
 467 2011-11-09  Richard Henderson  <rth@redhat.com>
 468
 469         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 470         to emit branch prediction hint.
 471
 472         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 473         Protect .note.GNU-stack with __linux__.
 474
 475         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 476         * configure, aclocal.m4, config.h.in: Rebuild.
 477         * config/generic/asmcfi.h: New file.
 478         * config/x86/sjlj.S: Use it.
 479
 480 2011-11-08  Richard Henderson  <rth@redhat.com>
 481
 482         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 483
 484 2011-11-08  Richard Henderson  <rth@redhat.com>
 485
 486         * configure.tgt: Test correct directory for supported cpus.
 487
 488         * configure.ac: Exit if unsupported.
 489         * configure: Rebuild.
 490         * configure.tgt: Delete boilerplate from libgomp for unsupported
 491         targets.  Set UNSUPPORTED for unsupported targets.
 492
 493 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 494
 495         * configure.tgt: Handle i386 like i[456]86.
 496         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 497         take address.
 498         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 499         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 500
 501 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 502
 503         * method-wbetl.cc: Update copyright notice.
 504         * aatree.cc: Same.
 505         * util.cc: Same.
 506         * libitm.h: Same.
 507         * memset.cc: Same.
 508         * eh_cpp.cc: Same.
 509         * barrier.tpl: Same.
 510         * useraction.cc: Same.
 511         * stmlock.h: Same.
 512         * memcpy.cc: Same.
 513         * common.h: Same.
 514         * config/generic/tls.cc: Same.
 515         * config/generic/cacheline.h: Same.
 516         * config/generic/cachepage.h: Same.
 517         * config/generic/cacheline.cc: Same.
 518         * config/generic/unaligned.h: Same.
 519         * config/x86/cacheline.h: Same.
 520         * config/x86/cacheline.cc: Same.
 521         * config/x86/unaligned.h: Same.
 522         * config/alpha/cacheline.h: Same.
 523         * config/alpha/unaligned.h: Same.
 524         * config/alpha/sjlj.S: Same.
 525         * config/posix/cachepage.cc: Same.
 526         * config/linux/futex.h: Same.
 527         * config/linux/alpha/futex_bits.h: Same.
 528
 529 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 530
 531         * libitm.texi: No cover text and invariant sections.
 532
 533 2011-11-03  Richard Henderson  <rth@redhat.com>
 534
 535         * local_type_traits: New file.
 536         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 537
 538 2011-11-03  Richard Henderson  <rth@redhat.com>
 539
 540         * configure.ac: Don't test for gfortran.
 541         * configure: Rebuild.
 542
 543         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 544         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 545
 546 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 547
 548         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 549         * testsuite/libitm.c/memset-1.c: Same.
 550         * testsuite/libitm.c/c.exp: Same.
 551         * testsuite/lib/libitm-dg.exp: Same.
 552         * testsuite/lib/libitm.exp: Same.
 553         * testsuite/libitm.c++/c++.exp: Same.
 554
 555 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 556
 557         * testsuite/config/default.exp: Update copyright date.
 558         * configure.ac: Add copyright info.
 559         * configure.tgt: Same.
 560
 561 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 562
 563         * testsuite/libitm.c/reentrant.c: XFAIL.
 564         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 565
 566 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 567
 568         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 569         handle aborts.
 570         (_ITM_abortTransaction): Handle aborts of outer transactions.
 571         * libitm_i.h: Same.
 572         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 573         * libitm.texi: Document aborts of outer transactions.
 574         * testsuite/libitm.c/cancel.c: New file.
 575
 576 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 577
 578         * testsuite/*: Change __transaction to __transaction_atomic or
 579         __transaction_relaxed.
 580
 581 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 582
 583         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 584         (gtm_thr): Same.
 585
 586 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 587
 588         * libitm_i.h: Add gl_wt dispatch.
 589         * retry.cc (parse_default_method): Same.
 590         * method-gl.cc: New file.
 591         * Makefile.am: Use method-gl.cc.
 592         * Makefile.in: Rebuild.
 593
 594 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 595
 596         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 597         safety if requested by a TM method.
 598         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 599         privatization safety.
 600         * method-serial.cc: Same.
 601
 602 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 603
 604         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 605         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 606         undolog-related member functions from *_local to *_undolog.
 607         * local.cc (gtm_thread::commit_undolog): Same.
 608         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 609         (GTM::gtm_thread::rollback): Roll back undolog before
 610         dispatch-specific rollback.
 611
 612 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 613
 614         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 615         re-initialization of the current method group.
 616         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 617
 618 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 619
 620         * alloc.cc (commit_allocations_2): Do not free transaction-local
 621         memory when committing a nested transaction.
 622
 623 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 624
 625         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 626         serial-irrevocable dispatch, not serial.
 627
 628 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 629
 630         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 631         declarations.
 632         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 633         * method-serial.cc: Implement begin_or_restart().
 634         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 635         dispatch-specific begin_or_restart().
 636         (GTM::gtm_thread::restart): Same.
 637
 638 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 639
 640         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 641         restarting without switching to serial mode.
 642         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 643         transaction state. Choose closed-nesting alternative if available.
 644         (GTM::gtm_thread::set_default_dispatch): New.
 645         (parse_default_method): New.
 646         (GTM::gtm_thread::number_of_threads_changed): New.
 647         * method-serial.cc (GTM::serial_mg): New method group class.
 648         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 649         fini.
 650         (GTM::serial_dispatch): Same.
 651         (GTM::serialirr_onwrite_dispatch): Same.
 652         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 653         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 654         registered threads.
 655         (GTM::gtm_thread::gtm_thread): Same.
 656         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 657         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 658         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 659         choose dispatch but set state according to dispatch here.
 660         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 661         (GTM::method_group): New class.
 662         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 663         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 664         * libitm.texi: Document TM methods, method groups, method life cycle.
 665         Rename method sets to method groups.
 666
 667 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 668
 669         * config/x86/tls.h: Moved to ...
 670         * config/linux/x86/tls.h: ... here.
 671
 672 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 673
 674         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 675         Add X32 support.
 676         * config/x86/sjlj.S: Same.
 677
 678 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 679
 680         * config/linux/rwlock.h: New file.
 681         * config/linux/rwlock.c: New file.
 682         * configure.ac: Reenable futex support (undo SVN rev 157758).
 683         * Makefile.am: Same.
 684         * configure.tgt: Same.
 685         * config/linux/alpha/futex_bits.h: Same.
 686         * config/linux/futex.h: Same. Return number of woken processes.
 687         * config/linux/futex.cc: Same.
 688         (futex_wait): Remove spinning.
 689         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 690         Use __x86_64__ instead of __LP64__.
 691         * aclocal.m4: Include generic futex checks.
 692         * configure: Rebuild.
 693         * Makefile.in: Rebuild.
 694         * testsuite/Makefile.in: Rebuild.
 695         * beginend.cc: Include pthread.h.
 696         * config/posix/cachepage.cc: Same.
 697
 698 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 699
 700         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 701         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 702         (set_gtm_thr): New.
 703         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 704         (set_gtm_thr): New.
 705         (GTM::gtm_thread::thread_num): Removed.
 706         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 707         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 708         tx-to-thread renaming.
 709         * beginend.cc: Adapted to tx-to-thread renaming.
 710         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 711         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 712         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 713         gtm_transaction to gtm_thread.
 714         (_ITM_getThreadnum): Removed. Not supported anymore.
 715         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 716         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 717         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 718         gtm_tx-to-gtm_thr renaming if necessary.
 719         * eh_cpp.cc: Same.
 720         * local.cc: Same.
 721         * retry.cc: Same.
 722         * clone.cc: Same.
 723         * alloc.cc: Same.
 724         * alloc_c.cc: Same.
 725         * alloc_cpp.cc: Same.
 726         * method-serial.cc: Same.
 727         * config/generic/tls.cc: Same.
 728         * config/posix/rwlock.h (gtm_rwlock): Same.
 729         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 730
 731 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 732
 733         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 734         implementation.
 735         (gtm_rwlock::read_unlock): Same.
 736         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 737         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 738         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 739         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 740         w_upgrade. Replaced by per-transaction flags (in shared_state).
 741         Added c_confirmed_writers.
 742         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 743         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 744         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 745         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 746         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 747         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 748         * libitm.texi: Document locking conventions and implementations in
 749         libitm.
 750
 751 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 752
 753         * libitm_i.h (next_tx): Add list of all threads' transaction.
 754         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 755         transaction with list of transactions and ...
 756         (thread_exit_handler): ... deregister here.
 757         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 758         * config/x86/target.h: Same.
 759
 760 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 761
 762         * testsuite/libitm.c++/static_ctor.C: New file.
 763
 764 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 765
 766         * testsuite/libitm.c/reentrant.c: New file.
 767
 768 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 769
 770         * config/generic/tls.h: Remove the free list for transactions and ...
 771         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 772         (GTM::gtm_transaction::operator delete): ... and release here.
 773         (thread_exit_handler): New. Delete tx when thread terminates.
 774         (thread_exit_init): New.
 775         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 776         * testsuite/libitm.c/txrelease.c: New file.
 777
 778 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 779
 780         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 781         * testsuite/libitm.c/notx.c: New file.
 782
 783 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 784
 785         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 786         * libitm_i.h (local_tid): ... to here.
 787         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 788         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 789
 790 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 791
 792         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 793         serialirr_onwrite_dispatch as new default for now.
 794         * method-serial.cc (serialirr_onwrite_dispatch): New.
 795         (GTM::dispatch_serialirr_onwrite): New.
 796         * libitm_i.h: Same.
 797
 798 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 799
 800         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 801         * query.cc (_ITM_getTransactionId): There is no active transaction if
 802         the current nesting level is zero.
 803
 804 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 805
 806         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 807         rollback.
 808
 809 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 810
 811         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 812         transaction properties from the caller instead of from the
 813         transaction object.
 814         * libitm_i.h: Same.
 815         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 816
 817 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 818
 819         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 820         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 821         * dispatch.h: Same.
 822         * method-serial.cc: Same.
 823         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 824         flat nesting as default, and closed nesting on demand.
 825         (GTM::gtm_transaction::rollback): Same.
 826         (_ITM_abortTransaction): Same.
 827         (GTM::gtm_transaction::restart): Same.
 828         (GTM::gtm_transaction::trycommit): Same.
 829         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 830         (choose_code_path): New.
 831         (GTM::gtm_transaction_cp::save): New.
 832         (GTM::gtm_transaction_cp::commit): New.
 833         * query.cc (_ITM_inTransaction): Support flat nesting.
 834         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 835         (GTM::gtm_transaction): Support flat and closed nesting.
 836         * alloc.cc (commit_allocations_2): New.
 837         (commit_cb_data): New helper struct.
 838         (GTM::gtm_transaction::commit_allocations): Handle nested
 839         commits/rollbacks.
 840         * libitm.texi: Update user action section, add description of nesting.
 841
 842 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 843
 844         * libitm_i.h: Add closed nesting as restart reason.
 845         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 846
 847 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 848
 849         * useraction.cc: Use vector instead of list to store actions.
 850         Also support partial rollbacks for closed nesting.
 851         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 852         * beginend.cc: Same.
 853
 854 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 855
 856         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 857         closed_nesting flags, as well as a closed nesting alternative.
 858         * method-serial.cc: Same.
 859         (serial_dispatch): Renamed to serialirr_dispatch.
 860         (GTM::dispatch_serialirr): Same.
 861         (serial_dispatch_ul): Renamed to serial_dispatch.
 862         (GTM::dispatch_serial): Same.
 863
 864 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 865
 866         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 867
 868 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 869
 870         * aatree.h (aa_tree::remove): New.
 871         (aa_tree::operator new): Add placement new.
 872
 873 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 874
 875         * containers.h: New file.
 876         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 877         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 878         * common.h: ... to here.
 879         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 880         * local.cc: Same.
 881
 882 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 883
 884         * libitm_i.h (STATE_ABORTING): Remove.
 885         * beginend.cc (_ITM_abortTransaction): Same.
 886         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 887         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 888         (_ITM_rollbackTransaction): Remove.
 889         * beginend.cc: Same.
 890         * libitm.map: Same.
 891         * libitm.texi: Document these ABI changes.
 892
 893 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 894
 895         * libitm.texi: New file.
 896         * Makefile.am: Add libitm.texi.
 897         * Makefile.in: Rebuild.
 898
 899 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 900
 901         * libitm_i.h: Move parts to common.h and dispatch.h.
 902         * common.h: New file.
 903         * dispatch.h: New file, new dispatch class.
 904         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 905         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 906         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 907         decision to retry.cc.
 908         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 909         only.
 910         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 911         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 912         logging.
 913         * barrier.cc: Use new barriers definitions.
 914         (abi_dispatch::memmove_overlap_check): New.
 915         * config/x86/x86_sse.cc: Same.
 916         * config/x86/x86_avx.cc: Same.
 917         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 918         memcpy.cc.
 919         * Makefile.in: Rebuild.
 920         * method-readonly.cc: Remove.
 921         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 922         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 923
 924 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 925
 926         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 927         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 928         * testsuite/libitm.c/dropref-2.c: Same.
 929         * testsuite/libitm.c/dropref.c: Same.
 930
 931 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 932
 933         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 934         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 935         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 936         * alloc_c.cc: Same.
 937         * barrier.tpl: Same.
 938         * beginend.c: Same.
 939         * config/generic/tls.h: Same.
 940         * config/x86/tls.h: Same.
 941         * libitm_i.h: Same.
 942         * memcpy.cc: Same.
 943         * memset.cc: Same.
 944         * method-readonly.cc: Same.
 945         * method-serial.cc: Same.
 946         * method-wbetl.cc: Same.
 947         * retry.cc: Same.
 948
 949 2011-03-03  Richard Henderson  <rth@redhat.com>
 950
 951         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 952         From Patrik Marlier <patrick.marlier@unine.ch>.
 953
 954 2011-02-03  Richard Henderson  <rth@redhat.com>
 955
 956         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 957         * configure.ac: Use it.
 958         * configure, config.h.in: Rebuild.
 959         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 960         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 961         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 962         * libitm.map: Use wildcards to match size_t mangling.
 963
 964 2010-12-14  Richard Henderson  <rth@redhat.com>
 965
 966         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 967         blocks of TIDs per thread.
 968         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 969         (setup_gtm_thr): Return the thread structure.
 970         * config/x86/tls.h (setup_gtm_thr): Likewise.
 971
 972 2010-12-14  Richard Henderson  <rth@redhat.com>
 973
 974         * clone.cc (table_lock): Remove.
 975         (find_clone): Don't take it.
 976         (ExcludeTransaction): New helper class.
 977         (_ITM_registerTMCloneTable): Use it.
 978         (_ITM_deregisterTMCloneTable): Likewise.
 979
 980 2010-12-14  Richard Henderson  <rth@redhat.com>
 981
 982         * config/x86/tls.h: New file.
 983
 984 2010-07-15  Richard Henderson  <rth@redhat.com>
 985
 986         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 987         * Makefile.in: Rebuild.
 988
 989 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 990
 991         * method-wbetl.cc (trydropreference): Fix source line.
 992
 993 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 994
 995         * libitm.h: Add comment.
 996         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 997
 998 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 999
1000         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1001         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1002         available, use pthread mutexes.
1003         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1004         * config.h.in: Regenerate.
1005         * configure: Regenerate.
1006
1007 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1008
1009         * libitm.h (ITM_PURE): Define.
1010         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1011
1012 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1013
1014         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1015         (validate): Add comment.
1016         (trydropreference): New.
1017         * method-readonly.cc (class readonly_dispatch): Add
1018         trydropreference.
1019         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1020         Call trydropreference().
1021         * libitm.h (_ITM_dropReferences): Remove const attribute.
1022         * method-serial.cc (class serial_dispatch): Add trydropreference.
1023         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1024
1025 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1026
1027         * memcpy.cc (do_memcpy): Comment.
1028
1029 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1030
1031         * barrier.tpl: Add comments throughout.
1032
1033 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1034
1035         * method-wbetl.cc (struct w_entry): Add comments.
1036         (trycommit): Same.
1037         (rollback): Same.
1038
1039 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1040
1041         * alloc_c.cc (_ITM_dropReferences): New.
1042         * libitm.map (_ITM_dropReferences): Add.
1043         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1044         * libitm_i.h (struct gtm_transaction): Declare
1045         drop_references_allocations and drop_references_local.
1046         * local.cc (rollback_local): Ignore memory when applicable.
1047         (drop_references_local): New.
1048
1049 2010-06-23  Richard Henderson  <rth@redhat.com>
1050
1051         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1052         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1053         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1054         * config/alpha/target.h: Likewise.
1055         * config/generic/tls.cc (gtm_mask_stack): Use it.
1056
1057 2010-06-23  Richard Henderson  <rth@redhat.com>
1058
1059         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1060         a mutex instead of trying a lock-free compare-and-swap on the list.
1061         (gtm_cacheline_page::operator delete): Likewise.
1062
1063 2010-06-16  Richard Henderson  <rth@redhat.com>
1064
1065         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1066         that overlap the libitm stack.
1067         * barrier.tpl: Mark incoming stack.
1068         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1069         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1070         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1071         * memcpy.cc, memset.cc: Likewise.
1072         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1073         * config/generic/tls.h (gtm_thread): Add stack_top member.
1074         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1075         * libitm_i.h (gtm_mask_stack): Declare.
1076         * config/generic/tls.cc: New file.
1077         * Makefile.am (libitm_la_SOURCES): Add it.
1078         (AM_CXXFLAGS): Turn off exceptions.
1079         * Makefile.in: Rebuild.
1080
1081 2010-06-16  Richard Henderson  <rth@redhat.com>
1082
1083         * alloc.cc (struct gtm_alloc_action): Move definition ...
1084         * libitm_i.h: ... here.
1085         (class gtm_transaction): Declare new and delete.
1086         * beginend.cc (alloc_tx): Reformulate as operator new.
1087         (free_tx): Reformulate as operator delete.
1088         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1089
1090 2010-06-11  Richard Henderson  <rth@redhat.com>
1091
1092         * clone.cc (clone_entry_compare): Fix typo.
1093         From Patrik Marlier <patrick.marlier@unine.ch>.
1094
1095 2010-05-13  Richard Henderson  <rth@redhat.com>
1096
1097         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1098         in extern "C".
1099
1100 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1101
1102         * libitm_i.h (struct gtm_transaction): Remove
1103         get_allocation_size.
1104         (record_allocation): Remove size parameter.
1105         * libitm.map (_ITM_realloc): Remove.
1106         * alloc_c.cc (_ITM_realloc): Remove.
1107         (_ITM_malloc): Remove size argument to record_allocation.
1108         (_ITM_calloc): Same.
1109         * alloc_cpp.cc (_ZGTtnwm): Same.
1110         (_ZGTtnwmRKSt9nothrow_t): Same.
1111         (_ZGTtnam): Same.
1112         (_ZGTtnamRKSt9nothrow_t): Same.
1113         * alloc.cc (struct gtm_alloc_action): Remove size.
1114         (get_allocation_size): Remove.
1115         (commit_allocations): Add comment.
1116         (record_allocation): Remove size parameter.
1117         (forget_allocation): Remove set of size.
1118
1119 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1120
1121         * Makefile.am (abi_version): New.
1122         (AM_CXXFLAGS): Pass abi_version.
1123         * Makefile.in: Regenerate.
1124         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1125
1126 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1127
1128         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1129         _ITM_getTMCloneOrIrrevokable.
1130         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1131         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1132
1133 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1134
1135         * configure.ac: Remove Linux futex support.
1136         * configure.tgt (config_path): Same.
1137         * Makefile.am: Same.
1138         * config/linux: Remove entire directory.
1139         * configure: Rebuild.
1140         * Makefile.in: Rebuild.
1141         * testsuite/Makefile.in: Rebuild.
1142
1143 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1144
1145         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1146         switching to serial mode.
1147         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1148
1149 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1150
1151         * configure.tgt: Add emacs -*- tags.
1152         * barrier.tpl: Same.
1153
1154 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1155
1156         * Makefile.am: Rename serial.cc to method-serial.cc.
1157         * Makefile.in: Regenerate with automake 1.11.1.
1158         * testsuite/Makefile.in: Same.
1159         * aclocal.m4: Regenerate with aclocal 1.11.1.
1160         * method-serial.cc: Rename from serial.cc.
1161         * libitm_i.h (struct gtm_transaction): Update comment on
1162         serialirr_mode.
1163
1164 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1165
1166         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1167         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1168
1169 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1170
1171         * configure: Rebuild.
1172
1173 2009-11-12  Richard Henderson  <rth@redhat.com>
1174
1175         * Rewrite everything in C++.
1176
1177 2009-11-03  Richard Henderson  <rth@redhat.com>
1178
1179         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1180         * Makefile.am (libitm_la_SOURCES): Add them.
1181         * configure.ac (ARCH_X86): New conditional.
1182         * Makefile.in, configure: Rebuild.
1183         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1184         Move futex setup into "other system configury" case.
1185         * local.c (rollback_local): Merge into ...
1186         (GTM_rollback_local): ... here.
1187         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1188         (_ITM_LB): Define as an alias to GTM_LB.
1189
1190 2009-11-03  Richard Henderson  <rth@redhat.com>
1191
1192         * method-readonly.c: New file.
1193         * Makefile.am (libitm_la_SOURCES): Add it.
1194         * Makefile.in: Rebuild.
1195         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1196         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1197         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1198         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1199         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1200         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1201         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1202         gtm_get_clock, gtm_inc_clock): New.
1203         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1204         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1205         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1206         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1207         replace uses with new libitm_i.h symbols.
1208         (dispatch_wbetl): Rename from wbetl_dispatch.
1209         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1210         away from dispatch_readonly; abort if the beginTransaction call
1211         asserted that the transaction was readonly.
1212
1213 2009-11-03  Richard Henderson  <rth@redhat.com>
1214
1215         * memset.c: New file.
1216         * Makefile.am (libitm_la_SOURCES): Add it.
1217         * Makefile.in: Rebuild.
1218         * testsuite/libitm.c/memset-1.c: New.
1219
1220 2009-11-03  Richard Henderson  <rth@redhat.com>
1221
1222         * dispatch.c: Remove file.
1223         * useraction.c (struct gtm_user_action): Move from libitm.h.
1224         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1225         (serial_memset, serial_memmove, serial_memcpy): Remove.
1226         (serial_W*, serial_R*): Remove.
1227         (serial_dispatch): Update to match.
1228         * configure.ac: Move Werror down below configure checks.  Don't
1229         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1230         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1231         Use GCC_AC_FUNC_MMAP_BLACKLIST
1232         * libitm.h: Split out all internal items to...
1233         * libitm_i.h: ... here.  New file.
1234         * copymask.c: New file.
1235         * local.c (struct gtm_local_undo): Move from libitm.h.
1236         (GTM_alloc_local): Rename from alloc_local; export.
1237         * memcpy.c: New file.
1238         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1239         * config/posix/page.c: New file.
1240         * config/posix/target_tls.h: Remove file.
1241         * barrier.c: New file.
1242         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1243         copymask.c, page.c.
1244         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1245         * method-wbetl.c: Rewrite for new cacheline methods.
1246         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1247
1248         * config/alpha/sjlj.S: Fix typo.
1249         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1250         * config/alpha/copymask.c: New file.
1251         * config/alpha/target.h (CACHELINE_SIZE): New.
1252         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1253
1254         * config/x86/target_i.h: Copy functions from x86/target.h.
1255         * config/x86/copymask.c: New file.
1256         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1257         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1258         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1259         * config/x86/target_tls.h: Move contents to target_i.h.
1260
1261         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1262         * testsuite/libitm.c/memcpy-1.c: New.
1263
1264 2009-10-22  Richard Henderson  <rth@redhat.com>
1265
1266         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1267         (AM_CCASFLAGS): New.
1268         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1269         saving/restoring _AC_ARG_VAR_PRECIOUS.
1270         * Makefile.in, aclocal.m4, config.h.in, configure,
1271         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1272
1273 2009-10-22  Richard Henderson  <rth@redhat.com>
1274
1275         * testsuite/*: Update for new compiler syntax.
1276
1277 2009-10-21  Richard Henderson  <rth@redhat.com>
1278
1279         * libitm.h (_ITM_abortReason): Add outerAbort.
1280
1281 2009-08-03  Richard Henderson  <rth@redhat.com>
1282
1283         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1284         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1285         * method-wbetl.c (struct w_entry): Remove mask.
1286         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1287         adjust all callers.
1288
1289 2009-07-22  Richard Henderson  <rth@redhat.com>
1290
1291         * eh_cpp.c: New file.
1292         * Makefile.am (libitm_la_SOURCES): Add it.
1293         * Makefile.in: Rebuild.
1294         * beginend.c (GTM_rollback_transaction): Undo exception state.
1295         (GTM_trycommit_transaction): Mark inline.
1296         (GTM_trycommit_and_finalize_transaction): Split out from ...
1297         (_ITM_commitTransaction): ... here.
1298         (_ITM_commitTransactionEH): New function.
1299         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1300         cxa_unthrown, eh_in_flight; reorder.
1301
1302         * testsuite/libitm.c++/c++.exp: New.
1303         * testsuite/libitm.c++/eh-1.C: New.
1304
1305         * aatree.c (aa_free): Remove REGPARM.
1306         * aatree.h: Remove all REGPARM.
1307
1308 2009-07-18  Richard Henderson  <rth@redhat.com>
1309
1310         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1311         * Makefile.am (libitm_la_SOURCES): Add them.
1312         * Makefile.in: Rebuild.
1313         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1314         (GTM_trycommit_transaction): Likewise.
1315         * libitm.h: Include aatree.h
1316         (struct gtm_alloc_action): New.
1317         (struct gtm_transaction): Add alloc_actions.
1318         (GTM_record_allocation, GTM_forget_allocation): Declare.
1319         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1320         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1321         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1322         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1323         _ZGTtdaPvRKSt9nothrow_t): Export.
1324
1325 2009-07-18  Richard Henderson  <rth@redhat.com>
1326
1327         * target_tls.h: Move ...
1328         * config/posix/target_tls.h: ... here.
1329
1330 2009-07-07  Richard Henderson  <rth@redhat.com>
1331
1332         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1333
1334 2009-07-07  Richard Henderson  <rth@redhat.com>
1335
1336         * Update to GPL3.
1337
1338 2009-07-07  Richard Henderson  <rth@redhat.com>
1339
1340         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1341         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1342
1343         * configure.tgt: Don't use -ftls-model for x86 linux.
1344         * libitm.h: Include target.h after standard includes.
1345         (_gtm_thr): Rename from gtm_thr.
1346         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1347         (gtm_disp, set_gtm_disp): New.
1348         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1349         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1350         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1351
1352 2009-07-07  Richard Henderson  <rth@redhat.com>
1353
1354         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1355
1356 2009-07-06  Richard Henderson  <rth@redhat.com>
1357
1358         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1359         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1360         (_ITM_beginTransaction): Take variadic arguments.
1361         (_ITM_registerThrownObject): Declare.
1362         * beginend.c, serial.c: Update.
1363         * libitm.map: Add _ITM_registerThrownObject.
1364
1365 2009-01-28  Richard Henderson  <rth@redhat.com>
1366
1367         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1368         * Makefile.in: Rebuild.
1369         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1370         (GTM_restart_transaction): Fix uninstrumented code check.
1371         * retry.c (GTM_decide_retry_strategy): Add serial check.
1372         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1373         automatically go irrevokable when in serial mode.
1374         * clone.c: New file.
1375         * libitm.h, libitm.map: Update.
1376
1377 2009-01-27  Richard Henderson  <rth@redhat.com>
1378
1379         * Makefile.am (LTCCASCOMPILE): Define.
1380         (libitm_la_SOURCES): Add methid-wbetl.c.
1381         * testsuite/Makefile.am: New
1382         * configure.ac: Add testsuite/Makefile.
1383         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1384         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1385         (_ITM_abortTransaction): Finalize implementation method; pass
1386         transaction properties to longjmp.
1387         (GTM_restart_transaction): Split out from ...
1388         (_ITM_commitTransaction): ... here.
1389         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1390         Move to config/x86/target.h.
1391         * config/linux/alpha/futex_bits.h: New.
1392         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1393         * config/x86/target.h: Disable target types for 32-bit.
1394         * config/alpha/sjlj.S, config/alpha/target.h: New.
1395         * libitm.h (struct gtm_dispatch): Add init, fini.
1396         (enum restart_reason): New.
1397         (struct gtm_transaction): Add method and restarts.
1398         * retry.c (GTM_decide_retry_strategy): Implement.
1399         * serial.c (serial_init, serial_fini): New.
1400         (GTM_serialmode): Finialize outgoing method.
1401         * method-wbetl.c: New.
1402
1403 2008-12-09  Richard Henderson  <rth@redhat.com>
1404
1405         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1406         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1407         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1408         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1409         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1410         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1411         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1412         * serial.c (serial_R##T, serial_W##T): Likewise.
1413
1414 2008-11-21  Richard Henderson  <rth@redhat.com>
1415
1416         * Initial commit.