libitm/ChangeLog

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