libitm/ChangeLog

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