libitm/ChangeLog

   1 2013-05-31  Release Manager
   2
   3         * GCC 4.8.1 released.
   4
   5 2013-03-22  Release Manager
   6
   7         * GCC 4.8.0 released.
   8
   9 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  10             Jack Howarth  <howarth@bromo.med.uc.edu>
  11             Patrick Marlier  <patrick.marlier@gmail.com>
  12
  13         PR libitm/55693
  14         * alloc_cpp.cc: Enable function declarations on darwin.
  15         * eh_cpp.cc: Likewise.
  16
  17 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
  18
  19         Update copyright years.
  20
  21 2012-11-09  Torvald Riegel  <triegel@redhat.com>
  22
  23         * beginend.cc (htm_fastpath): New.
  24         (gtm_thread::begin_transaction, _ITM_commitTransaction,
  25         _ITM_commitTransactionEH): Add HTM fastpath handling.
  26         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
  27         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
  28         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
  29         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
  30         * configure.tgt: Add -mrtm to XCFLAGS.
  31         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
  32         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
  33         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
  34         * retry.cc (parse_default_method): Add HTM method parsing.
  35         (gtm_thread::number_of_threads_changed): Use HTM by default if
  36         available.
  37
  38 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
  39
  40         * configure: Regenerate.
  41
  42 2012-10-31  Richard Henderson  <rth@redhat.com>
  43
  44         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
  45         * configure.ac: Use it.
  46         * config.h.in, configure: Rebuild.
  47         * testsuite/Makefile.in: Rebuild.
  48
  49 2012-10-24  Torvald Riegel  <triegel@redhat.com>
  50
  51         * libitm.texi: Clarify ABI requirements for data-logging functions.
  52
  53 2012-10-24  Torvald Riegel  <triegel@redhat.com>
  54
  55         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
  56         it requires serial mode instead of assuming that for certain
  57         dispatchs.
  58         * dispatch.h (abi_dispatch::requires_serial): New.
  59         (abi_dispatch::abi_dispatch): Adapt.
  60         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
  61         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
  62         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
  63         serial_dispatch::serial_dispatch,
  64         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
  65
  66 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
  67
  68         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
  69         and ia32 declarations some more.
  70         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
  71
  72 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
  73
  74         PR other/43620
  75         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
  76         * configure: Regenerate.
  77         * Makefile.in: Regenerate.
  78
  79 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
  80
  81         * configure: Regenerated.
  82
  83 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
  84
  85         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
  86
  87 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
  88
  89         * eh_cpp.cc: Fix __cxa_end_catch declaration.
  90
  91 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
  92
  93         * configure: Regenerated.
  94
  95 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
  96
  97         PR libitm/52854
  98         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
  99         for x86-64.
 100
 101 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 102
 103         * configure: Regenerate.
 104
 105 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 106
 107         PR bootstrap/52812
 108         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 109
 110 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 111
 112         * testsuite/lib/libitm.exp: load fortran-modules.exp
 113
 114 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 115
 116         * configure.tgt (*-*-irix6*): Remove.
 117
 118 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 119
 120         PR libitm/52526
 121         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 122         wake-up.
 123
 124 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 125
 126         * configure.tgt (*-*-osf*): Remove.
 127         * configure: Regenerate.
 128
 129 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 130
 131         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 132         memtransfer/memset if size isn't larger than zero.
 133
 134 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 135
 136         * libitm.texi: Link to specification and add a usage example.
 137
 138 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 139
 140         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 141         default dispatch for more than 1 thread to ml_wt.
 142
 143 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 144
 145         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 146
 147 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 148
 149         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 150
 151 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 152
 153         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 154         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 155         (gl_wt_dispatch.rollback): Same.
 156
 157 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 158
 159         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 160
 161 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 162
 163         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 164         for RfW src.  Optimize number of calls to gtm_thr.
 165
 166 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 167
 168         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 169         acquisition to ...
 170         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 171         (default_dispatch): Make atomic.
 172         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 173         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 174         use decide_begin_dispatch() if default_dispatch might have changed.
 175         (GTM::gtm_thread::number_of_threads_changed): Initialize
 176         default_dispatch here.
 177
 178 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 179             Patrick Marlier  <patrick.marlier@gmail.com>
 180
 181         PR libitm/52220
 182         * alloc_cpp.cc: No dummy definitions for darwin.
 183         * eh_cpp.cc: Likewise.
 184
 185 2012-02-14  Richard Henderson  <rth@redhat.com>
 186
 187         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 188
 189 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 190
 191         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 192
 193 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 194
 195         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 196         (GTM::gtm_thread): Add read and write logs.
 197         (GTM::dispatch_ml_wt): Declare.
 198         * retry.cc (parse_default_method): Support ml_wt.
 199         * method-ml.cc: New file.
 200         * Makefile.am: Add method-ml.cc.
 201         * Makefile.in: Regenerate.
 202
 203 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 204
 205         * dispatch.h (GTM::abi_dispatch::supports): New.
 206         (GTM::method_group::reinit): New.
 207         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 208         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 209         supports the current situation.
 210
 211 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 212
 213         * util.cc (GTM::xcalloc): New.
 214         * common.h (GTM::xcalloc): Declare.
 215
 216 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 217
 218         * config/sparc/target.h (cpu_relax): Read from CC register.
 219         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 220
 221 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 222
 223         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 224
 225 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 226
 227         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 228         * config/sparc/cacheline.h: New file.
 229         * config/sparc/target.h: Likewise.
 230         * config/sparc/sjlj.S: Likewise.
 231         * config/linux/sparc/futex_bits.h: Likewise.
 232
 233 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 234
 235         * configure.ac (link_itm): Fix comment.
 236         * configure: Regenerate.
 237         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 238
 239 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 240
 241         PR libitm/51822
 242         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 243         Correct libgomp references.
 244
 245 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 246
 247         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 248         wake-up.
 249
 250 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 251
 252         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 253         end of structure.
 254         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 255         offset values.  Do not copy return address.  Decrement stack
 256         by 56 bytes only.
 257         (GTM_longjump) [__x86_64__]: Update offset values.
 258
 259 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 260
 261         PR libitm/51830
 262         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 263         the first function argument to %eax.
 264
 265 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 266
 267         * libitm.h (_ITM_getThreadnum): Remove.
 268         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 269
 270 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 271
 272         * clearcap.map: New file.
 273         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 274         * configure.ac: Call it.
 275         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 276         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 277         * configure: Regenerate.
 278         * Makefile.in: Regenerate.
 279         * testsuite/Makefile.in: Regenerate.
 280
 281 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 282
 283         PR libitm/51173
 284         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 285         include, exclude options.
 286
 287 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 288
 289         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 290         rolling back.
 291         * containers.h (GTM::vector::set_size): New.
 292
 293 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 294
 295         PR libitm/51855
 296         * config/generic/tls.h (GTM::mask_stack_top): New.
 297         (GTM::mask_stack_bottom): Declare.
 298         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 299         * local.cc (gtm_undolog::rollback): Filter out any updates that
 300         overlap the libitm stack.  Add current transaction as parameter.
 301         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 302         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 303         * testsuite/libitm.c/stackundo.c: New test.
 304
 305 2012-01-10  Richard Henderson  <rth@redhat.com>
 306
 307         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 308         * eh_cpp.cc (_Unwind_DeleteException): Define for
 309         !HAVE_ELF_STYLE_WEAKREF.
 310
 311 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 312
 313         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 314         (GTM::gtm_thread::drop_references_undolog): Remove.
 315         (GTM::gtm_thread::commit_undolog,
 316         GTM::gtm_thread::rollback_undolog): Move to ...
 317         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 318         (GTM::gtm_undolog_entry): Remove.
 319         (GTM::gtm_thread): Adapt.
 320         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 321         (GTM::gtm_thread::trycommit): Adapt.
 322         * method-serial.cc (serial_dispatch::log): Adapt.
 323         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 324         (gl_wt_dispatch::store): Fix likely/unlikely.
 325         * containers.h (GTM::vector::resize): Add additional_capacity
 326         parameter and handle it.
 327         (GTM::vector::resize_noinline): New/adapt.
 328         (GTM::vector::push): New.
 329
 330 2012-01-06  Richard Henderson  <rth@redhat.com>
 331
 332         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 333         * config/linux/powerpc/futex_bits.h: New file.
 334         * config/powerpc/cacheline.h: New file.
 335         * config/powerpc/sjlj.S: New file.
 336         * config/powerpc/target.h: New file.
 337         * config/generic/asmcfi.h (cfi_offset): New.
 338         (cfi_restore, cfi_undefined): New.
 339
 340 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 341
 342         PR other/51171
 343         * testsuite/libitm.c/reentrant.c: Remove xfail.
 344         (thread): Pass x to pure().
 345         From Patrik Marlier <patrick.marlier@gmail.com>.
 346
 347 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 348
 349         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 350         privatization safety if already in serial mode.
 351
 352 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 353
 354         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 355         finish_serial_upgrade parameter.
 356         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 357         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 358         Don't unset reader flag.
 359         (GTM::gtm_rwlock::write_upgrade_finish): New.
 360         * config/posix/rwlock.cc: Same.
 361         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 362         Declare.
 363         * config/posix/rwlock.h: Same.
 364         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 365         flag after commit or after rollback when restarting.
 366
 367 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 368
 369         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 370         (GTM::gtm_thread::try_commit): Changed memory order.
 371         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 372         as parameter.
 373         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 374         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 375         * config/linux/futex_bits.h (sys_futex0): Same.
 376         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 377         * config/linux/futex.h (futex_wait, futex_wake): Same.
 378         * config/linux/rwlock.h (gtm_rwlock::writers,
 379         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 380         ints.
 381         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 382         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 383         gtm_rwlock::write_unlock): Fix memory orders and fences.
 384         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 385         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 386         gtm_rwlock::write_unlock): Same.
 387         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 388         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 389         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 390         Add comments.
 391         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 392         gl_wt_dispatch::load, gl_wt_dispatch::store,
 393         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 394         orders and fences.  Add comments.
 395
 396 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 397
 398         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 399         * Makefile.in: Regenerated.
 400
 401 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 402
 403         * configure.tgt: Add sh* case.
 404         * config/sh/target.h: New file.
 405         * config/sh/sjlj.S: New file.
 406         * config/linux/sh/futex_bits.h: New file.
 407
 408 2011-12-14  Richard Henderson  <rth@redhat.com>
 409
 410         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 411         * config/arm/sjlj.S, config/arm/target.h: New files.
 412         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 413         (cfi_rel_offset): New.
 414         * config/linux/futex_bits.h: New file.
 415         * config/linux/futex.cc: Include futex_bits.h here...
 416         * config/linux/futex.h: ... not here.
 417         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 418         * configure.ac (ARCH_AM): New conditional.
 419         * Makefile.in, configure: Rebuild.
 420         * configure.tgt: Handle ARM.
 421
 422 2011-12-13  Richard Henderson  <rth@redhat.com>
 423
 424         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 425         signed/unsigned comparison werror.
 426
 427         * local_atomic: New file.
 428         * libitm_i.h: Include it.
 429         (gtm_thread::shared_state): Use atomic template.
 430         * beginend.cc (GTM::gtm_clock): Use atomic template.
 431         (global_tid): Use atomic template if 64-bit atomics available.
 432         (gtm_thread::gtm_thread): Update shared_state access.
 433         (gtm_thread::trycommit): Likewise.
 434         (choose_code_path): Update global_tid access.
 435         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 436         * stmlock.h (GTM::gtm_clock): Use atomic template.
 437         (gtm_get_clock, gtm_inc_clock): Update accesses.
 438         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 439         redundant __sync_synchronize after atomic shared_state access.
 440         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 441         (gtm_rwlock::write_lock_generic): Likewise.
 442         (gtm_rwlock::read_unlock): Likewise.
 443         * config/alpha/target.h (atomic_read_barrier): Remove.
 444         (atomic_write_barrier): Remove.
 445         * config/x86/target.h (atomic_read_barrier): Remove.
 446         (atomic_write_barrier): Remove.
 447
 448 2011-11-30  Richard Henderson  <rth@redhat.com>
 449
 450         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 451         * beginend.c (_ITM_abortTransaction): Update to match.
 452         (GTM::gtm_thread::restart): Likewise.
 453         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 454         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 455
 456 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 457
 458         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 459         * Makefile.in: Regenerate.
 460
 461 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 462
 463         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 464         * alloc_cpp.cc: Generate dummy functions if we don't
 465         HAVE_ELF_STYLE_WEAKREF.
 466         * eh_cpp.cc: Likewise.
 467         * configure: Regenerate.
 468         * aclocal.m4:  Likewise.
 469         * config.h.in: Likewise.
 470         * Makefile.in: Likewise.
 471         * testsuite/Makefile.in: Likewise.
 472
 473 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 474
 475         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 476         __USER_LABEL_PREFIX__ for targets that use it.
 477         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 478         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 479         in portability to non-elf targets.
 480         (GTM_longjmp): Likewise.
 481         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 482         where required.
 483
 484 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 485
 486         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 487         * testsuite/libitm.c/memset-1.c: Likewise.
 488
 489 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 490
 491         * configure: Regenerate.
 492
 493 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 494
 495         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 496         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 497         * Makefile.am: Handle sun style versioning.
 498         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 499         * configure: Regenerate.
 500         * Makefile.in: Regenerate.
 501
 502 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 503
 504         * config/generic/asmcfi.h: Fix comment.
 505         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 506         sequence without .hidden support, error for non-ELF targets.
 507         (GTM_longjmp) [__ELF__]: Only use .hidden if
 508         HAVE_ATTRIBUTE_VISIBILITY.
 509
 510 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 511
 512         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 513         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 514         Dummy functions.
 515         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 516         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 517
 518 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 519
 520         PR bootstrap/51098
 521         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 522         * configure: Regenerate.
 523
 524 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 525
 526         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 527
 528 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 529
 530         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 531         .hidden.
 532         (.note.GNU-stack): Only use if __linux__.
 533         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 534         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 535         * testsuite/libitm.c/reentrant.c: Likewise.
 536         * testsuite/libitm.c/simple-2.c: Likewise.
 537         * testsuite/libitm.c/txrelease.c: Likewise.
 538         * testsuite/libitm.c++/static_ctor.C: Likewise.
 539
 540 2011-11-10  Richard Henderson  <rth@redhat.com>
 541
 542         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 543         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 544         * configure.ac (ARCH_X86_AVX): New conditional.
 545         * Makefile.in, configure: Rebuild.
 546
 547 2011-11-09  Richard Henderson  <rth@redhat.com>
 548
 549         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 550         * configure.ac: Use it.
 551         * config.h.in, configure: Rebuild.
 552         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 553
 554 2011-11-09  Richard Henderson  <rth@redhat.com>
 555
 556         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 557         * config/alpha/unaligned.h: Remove file.
 558         * config/generic/unaligned.h: Remove file.
 559         * config/x86/unaligned.h: Remove file.
 560         * config/generic/cachepage.h: Remove file.
 561         * config/posix/cachepage.cc: Remove file.
 562         * config/generic/cacheline.cc: Remove file.
 563         * config/x86/cacheline.cc: Remove file.
 564         * config/generic/cacheline.h (gtm_cacheline): Remove the
 565         store_mask, copy_mask, copy_mask_wb methods.
 566         * config/x86/cacheline.h: Likewise.
 567         * config/alpha/cacheline.h: Fall back to generic after setting size.
 568         * config/generic/tls.cc (gtm_mask_stack): Remove.
 569         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 570         (GTM_vpalignr_table): Remove.
 571         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 572         (GTM_pshift_table): Remove.
 573         * config/libitm_i.h: Don't include cachepage.h.
 574         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 575         * Makefile.in, testsuite/Makefile.in: Rebuild.
 576
 577 2011-11-09  Richard Henderson  <rth@redhat.com>
 578
 579         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 580         to emit branch prediction hint.
 581
 582         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 583         Protect .note.GNU-stack with __linux__.
 584
 585         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 586         * configure, aclocal.m4, config.h.in: Rebuild.
 587         * config/generic/asmcfi.h: New file.
 588         * config/x86/sjlj.S: Use it.
 589
 590 2011-11-08  Richard Henderson  <rth@redhat.com>
 591
 592         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 593
 594 2011-11-08  Richard Henderson  <rth@redhat.com>
 595
 596         * configure.tgt: Test correct directory for supported cpus.
 597
 598         * configure.ac: Exit if unsupported.
 599         * configure: Rebuild.
 600         * configure.tgt: Delete boilerplate from libgomp for unsupported
 601         targets.  Set UNSUPPORTED for unsupported targets.
 602
 603 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 604
 605         * configure.tgt: Handle i386 like i[456]86.
 606         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 607         take address.
 608         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 609         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 610
 611 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 612
 613         * method-wbetl.cc: Update copyright notice.
 614         * aatree.cc: Same.
 615         * util.cc: Same.
 616         * libitm.h: Same.
 617         * memset.cc: Same.
 618         * eh_cpp.cc: Same.
 619         * barrier.tpl: Same.
 620         * useraction.cc: Same.
 621         * stmlock.h: Same.
 622         * memcpy.cc: Same.
 623         * common.h: Same.
 624         * config/generic/tls.cc: Same.
 625         * config/generic/cacheline.h: Same.
 626         * config/generic/cachepage.h: Same.
 627         * config/generic/cacheline.cc: Same.
 628         * config/generic/unaligned.h: Same.
 629         * config/x86/cacheline.h: Same.
 630         * config/x86/cacheline.cc: Same.
 631         * config/x86/unaligned.h: Same.
 632         * config/alpha/cacheline.h: Same.
 633         * config/alpha/unaligned.h: Same.
 634         * config/alpha/sjlj.S: Same.
 635         * config/posix/cachepage.cc: Same.
 636         * config/linux/futex.h: Same.
 637         * config/linux/alpha/futex_bits.h: Same.
 638
 639 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 640
 641         * libitm.texi: No cover text and invariant sections.
 642
 643 2011-11-03  Richard Henderson  <rth@redhat.com>
 644
 645         * local_type_traits: New file.
 646         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 647
 648 2011-11-03  Richard Henderson  <rth@redhat.com>
 649
 650         * configure.ac: Don't test for gfortran.
 651         * configure: Rebuild.
 652
 653         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 654         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 655
 656 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 657
 658         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 659         * testsuite/libitm.c/memset-1.c: Same.
 660         * testsuite/libitm.c/c.exp: Same.
 661         * testsuite/lib/libitm-dg.exp: Same.
 662         * testsuite/lib/libitm.exp: Same.
 663         * testsuite/libitm.c++/c++.exp: Same.
 664
 665 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 666
 667         * testsuite/config/default.exp: Update copyright date.
 668         * configure.ac: Add copyright info.
 669         * configure.tgt: Same.
 670
 671 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 672
 673         * testsuite/libitm.c/reentrant.c: XFAIL.
 674         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 675
 676 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 677
 678         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 679         handle aborts.
 680         (_ITM_abortTransaction): Handle aborts of outer transactions.
 681         * libitm_i.h: Same.
 682         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 683         * libitm.texi: Document aborts of outer transactions.
 684         * testsuite/libitm.c/cancel.c: New file.
 685
 686 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 687
 688         * testsuite/*: Change __transaction to __transaction_atomic or
 689         __transaction_relaxed.
 690
 691 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 692
 693         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 694         (gtm_thr): Same.
 695
 696 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 697
 698         * libitm_i.h: Add gl_wt dispatch.
 699         * retry.cc (parse_default_method): Same.
 700         * method-gl.cc: New file.
 701         * Makefile.am: Use method-gl.cc.
 702         * Makefile.in: Rebuild.
 703
 704 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 705
 706         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 707         safety if requested by a TM method.
 708         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 709         privatization safety.
 710         * method-serial.cc: Same.
 711
 712 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 713
 714         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 715         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 716         undolog-related member functions from *_local to *_undolog.
 717         * local.cc (gtm_thread::commit_undolog): Same.
 718         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 719         (GTM::gtm_thread::rollback): Roll back undolog before
 720         dispatch-specific rollback.
 721
 722 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 723
 724         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 725         re-initialization of the current method group.
 726         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 727
 728 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 729
 730         * alloc.cc (commit_allocations_2): Do not free transaction-local
 731         memory when committing a nested transaction.
 732
 733 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 734
 735         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 736         serial-irrevocable dispatch, not serial.
 737
 738 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 739
 740         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 741         declarations.
 742         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 743         * method-serial.cc: Implement begin_or_restart().
 744         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 745         dispatch-specific begin_or_restart().
 746         (GTM::gtm_thread::restart): Same.
 747
 748 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 749
 750         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 751         restarting without switching to serial mode.
 752         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 753         transaction state. Choose closed-nesting alternative if available.
 754         (GTM::gtm_thread::set_default_dispatch): New.
 755         (parse_default_method): New.
 756         (GTM::gtm_thread::number_of_threads_changed): New.
 757         * method-serial.cc (GTM::serial_mg): New method group class.
 758         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 759         fini.
 760         (GTM::serial_dispatch): Same.
 761         (GTM::serialirr_onwrite_dispatch): Same.
 762         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 763         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 764         registered threads.
 765         (GTM::gtm_thread::gtm_thread): Same.
 766         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 767         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 768         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 769         choose dispatch but set state according to dispatch here.
 770         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 771         (GTM::method_group): New class.
 772         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 773         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 774         * libitm.texi: Document TM methods, method groups, method life cycle.
 775         Rename method sets to method groups.
 776
 777 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 778
 779         * config/x86/tls.h: Moved to ...
 780         * config/linux/x86/tls.h: ... here.
 781
 782 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 783
 784         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 785         Add X32 support.
 786         * config/x86/sjlj.S: Same.
 787
 788 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 789
 790         * config/linux/rwlock.h: New file.
 791         * config/linux/rwlock.c: New file.
 792         * configure.ac: Reenable futex support (undo SVN rev 157758).
 793         * Makefile.am: Same.
 794         * configure.tgt: Same.
 795         * config/linux/alpha/futex_bits.h: Same.
 796         * config/linux/futex.h: Same. Return number of woken processes.
 797         * config/linux/futex.cc: Same.
 798         (futex_wait): Remove spinning.
 799         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 800         Use __x86_64__ instead of __LP64__.
 801         * aclocal.m4: Include generic futex checks.
 802         * configure: Rebuild.
 803         * Makefile.in: Rebuild.
 804         * testsuite/Makefile.in: Rebuild.
 805         * beginend.cc: Include pthread.h.
 806         * config/posix/cachepage.cc: Same.
 807
 808 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 809
 810         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 811         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 812         (set_gtm_thr): New.
 813         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 814         (set_gtm_thr): New.
 815         (GTM::gtm_thread::thread_num): Removed.
 816         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 817         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 818         tx-to-thread renaming.
 819         * beginend.cc: Adapted to tx-to-thread renaming.
 820         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 821         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 822         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 823         gtm_transaction to gtm_thread.
 824         (_ITM_getThreadnum): Removed. Not supported anymore.
 825         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 826         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 827         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 828         gtm_tx-to-gtm_thr renaming if necessary.
 829         * eh_cpp.cc: Same.
 830         * local.cc: Same.
 831         * retry.cc: Same.
 832         * clone.cc: Same.
 833         * alloc.cc: Same.
 834         * alloc_c.cc: Same.
 835         * alloc_cpp.cc: Same.
 836         * method-serial.cc: Same.
 837         * config/generic/tls.cc: Same.
 838         * config/posix/rwlock.h (gtm_rwlock): Same.
 839         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 840
 841 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 842
 843         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 844         implementation.
 845         (gtm_rwlock::read_unlock): Same.
 846         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 847         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 848         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 849         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 850         w_upgrade. Replaced by per-transaction flags (in shared_state).
 851         Added c_confirmed_writers.
 852         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 853         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 854         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 855         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 856         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 857         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 858         * libitm.texi: Document locking conventions and implementations in
 859         libitm.
 860
 861 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 862
 863         * libitm_i.h (next_tx): Add list of all threads' transaction.
 864         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 865         transaction with list of transactions and ...
 866         (thread_exit_handler): ... deregister here.
 867         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 868         * config/x86/target.h: Same.
 869
 870 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 871
 872         * testsuite/libitm.c++/static_ctor.C: New file.
 873
 874 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 875
 876         * testsuite/libitm.c/reentrant.c: New file.
 877
 878 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 879
 880         * config/generic/tls.h: Remove the free list for transactions and ...
 881         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 882         (GTM::gtm_transaction::operator delete): ... and release here.
 883         (thread_exit_handler): New. Delete tx when thread terminates.
 884         (thread_exit_init): New.
 885         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 886         * testsuite/libitm.c/txrelease.c: New file.
 887
 888 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 889
 890         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 891         * testsuite/libitm.c/notx.c: New file.
 892
 893 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 894
 895         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 896         * libitm_i.h (local_tid): ... to here.
 897         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 898         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 899
 900 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 901
 902         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 903         serialirr_onwrite_dispatch as new default for now.
 904         * method-serial.cc (serialirr_onwrite_dispatch): New.
 905         (GTM::dispatch_serialirr_onwrite): New.
 906         * libitm_i.h: Same.
 907
 908 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 909
 910         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 911         * query.cc (_ITM_getTransactionId): There is no active transaction if
 912         the current nesting level is zero.
 913
 914 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 915
 916         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 917         rollback.
 918
 919 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 920
 921         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 922         transaction properties from the caller instead of from the
 923         transaction object.
 924         * libitm_i.h: Same.
 925         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 926
 927 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 928
 929         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 930         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 931         * dispatch.h: Same.
 932         * method-serial.cc: Same.
 933         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 934         flat nesting as default, and closed nesting on demand.
 935         (GTM::gtm_transaction::rollback): Same.
 936         (_ITM_abortTransaction): Same.
 937         (GTM::gtm_transaction::restart): Same.
 938         (GTM::gtm_transaction::trycommit): Same.
 939         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 940         (choose_code_path): New.
 941         (GTM::gtm_transaction_cp::save): New.
 942         (GTM::gtm_transaction_cp::commit): New.
 943         * query.cc (_ITM_inTransaction): Support flat nesting.
 944         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 945         (GTM::gtm_transaction): Support flat and closed nesting.
 946         * alloc.cc (commit_allocations_2): New.
 947         (commit_cb_data): New helper struct.
 948         (GTM::gtm_transaction::commit_allocations): Handle nested
 949         commits/rollbacks.
 950         * libitm.texi: Update user action section, add description of nesting.
 951
 952 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 953
 954         * libitm_i.h: Add closed nesting as restart reason.
 955         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 956
 957 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 958
 959         * useraction.cc: Use vector instead of list to store actions.
 960         Also support partial rollbacks for closed nesting.
 961         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 962         * beginend.cc: Same.
 963
 964 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 965
 966         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 967         closed_nesting flags, as well as a closed nesting alternative.
 968         * method-serial.cc: Same.
 969         (serial_dispatch): Renamed to serialirr_dispatch.
 970         (GTM::dispatch_serialirr): Same.
 971         (serial_dispatch_ul): Renamed to serial_dispatch.
 972         (GTM::dispatch_serial): Same.
 973
 974 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 975
 976         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 977
 978 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 979
 980         * aatree.h (aa_tree::remove): New.
 981         (aa_tree::operator new): Add placement new.
 982
 983 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 984
 985         * containers.h: New file.
 986         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 987         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 988         * common.h: ... to here.
 989         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 990         * local.cc: Same.
 991
 992 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 993
 994         * libitm_i.h (STATE_ABORTING): Remove.
 995         * beginend.cc (_ITM_abortTransaction): Same.
 996         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 997         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 998         (_ITM_rollbackTransaction): Remove.
 999         * beginend.cc: Same.
1000         * libitm.map: Same.
1001         * libitm.texi: Document these ABI changes.
1002
1003 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1004
1005         * libitm.texi: New file.
1006         * Makefile.am: Add libitm.texi.
1007         * Makefile.in: Rebuild.
1008
1009 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1010
1011         * libitm_i.h: Move parts to common.h and dispatch.h.
1012         * common.h: New file.
1013         * dispatch.h: New file, new dispatch class.
1014         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1015         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1016         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1017         decision to retry.cc.
1018         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1019         only.
1020         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1021         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1022         logging.
1023         * barrier.cc: Use new barriers definitions.
1024         (abi_dispatch::memmove_overlap_check): New.
1025         * config/x86/x86_sse.cc: Same.
1026         * config/x86/x86_avx.cc: Same.
1027         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1028         memcpy.cc.
1029         * Makefile.in: Rebuild.
1030         * method-readonly.cc: Remove.
1031         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1032         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1033
1034 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1035
1036         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1037         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1038         * testsuite/libitm.c/dropref-2.c: Same.
1039         * testsuite/libitm.c/dropref.c: Same.
1040
1041 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1042
1043         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1044         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1045         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1046         * alloc_c.cc: Same.
1047         * barrier.tpl: Same.
1048         * beginend.c: Same.
1049         * config/generic/tls.h: Same.
1050         * config/x86/tls.h: Same.
1051         * libitm_i.h: Same.
1052         * memcpy.cc: Same.
1053         * memset.cc: Same.
1054         * method-readonly.cc: Same.
1055         * method-serial.cc: Same.
1056         * method-wbetl.cc: Same.
1057         * retry.cc: Same.
1058
1059 2011-03-03  Richard Henderson  <rth@redhat.com>
1060
1061         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1062         From Patrik Marlier <patrick.marlier@unine.ch>.
1063
1064 2011-02-03  Richard Henderson  <rth@redhat.com>
1065
1066         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1067         * configure.ac: Use it.
1068         * configure, config.h.in: Rebuild.
1069         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1070         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1071         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1072         * libitm.map: Use wildcards to match size_t mangling.
1073
1074 2010-12-14  Richard Henderson  <rth@redhat.com>
1075
1076         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1077         blocks of TIDs per thread.
1078         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1079         (setup_gtm_thr): Return the thread structure.
1080         * config/x86/tls.h (setup_gtm_thr): Likewise.
1081
1082 2010-12-14  Richard Henderson  <rth@redhat.com>
1083
1084         * clone.cc (table_lock): Remove.
1085         (find_clone): Don't take it.
1086         (ExcludeTransaction): New helper class.
1087         (_ITM_registerTMCloneTable): Use it.
1088         (_ITM_deregisterTMCloneTable): Likewise.
1089
1090 2010-12-14  Richard Henderson  <rth@redhat.com>
1091
1092         * config/x86/tls.h: New file.
1093
1094 2010-07-15  Richard Henderson  <rth@redhat.com>
1095
1096         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1097         * Makefile.in: Rebuild.
1098
1099 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1100
1101         * method-wbetl.cc (trydropreference): Fix source line.
1102
1103 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1104
1105         * libitm.h: Add comment.
1106         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1107
1108 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1109
1110         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1111         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1112         available, use pthread mutexes.
1113         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1114         * config.h.in: Regenerate.
1115         * configure: Regenerate.
1116
1117 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1118
1119         * libitm.h (ITM_PURE): Define.
1120         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1121
1122 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1123
1124         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1125         (validate): Add comment.
1126         (trydropreference): New.
1127         * method-readonly.cc (class readonly_dispatch): Add
1128         trydropreference.
1129         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1130         Call trydropreference().
1131         * libitm.h (_ITM_dropReferences): Remove const attribute.
1132         * method-serial.cc (class serial_dispatch): Add trydropreference.
1133         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1134
1135 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1136
1137         * memcpy.cc (do_memcpy): Comment.
1138
1139 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1140
1141         * barrier.tpl: Add comments throughout.
1142
1143 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1144
1145         * method-wbetl.cc (struct w_entry): Add comments.
1146         (trycommit): Same.
1147         (rollback): Same.
1148
1149 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1150
1151         * alloc_c.cc (_ITM_dropReferences): New.
1152         * libitm.map (_ITM_dropReferences): Add.
1153         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1154         * libitm_i.h (struct gtm_transaction): Declare
1155         drop_references_allocations and drop_references_local.
1156         * local.cc (rollback_local): Ignore memory when applicable.
1157         (drop_references_local): New.
1158
1159 2010-06-23  Richard Henderson  <rth@redhat.com>
1160
1161         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1162         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1163         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1164         * config/alpha/target.h: Likewise.
1165         * config/generic/tls.cc (gtm_mask_stack): Use it.
1166
1167 2010-06-23  Richard Henderson  <rth@redhat.com>
1168
1169         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1170         a mutex instead of trying a lock-free compare-and-swap on the list.
1171         (gtm_cacheline_page::operator delete): Likewise.
1172
1173 2010-06-16  Richard Henderson  <rth@redhat.com>
1174
1175         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1176         that overlap the libitm stack.
1177         * barrier.tpl: Mark incoming stack.
1178         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1179         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1180         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1181         * memcpy.cc, memset.cc: Likewise.
1182         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1183         * config/generic/tls.h (gtm_thread): Add stack_top member.
1184         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1185         * libitm_i.h (gtm_mask_stack): Declare.
1186         * config/generic/tls.cc: New file.
1187         * Makefile.am (libitm_la_SOURCES): Add it.
1188         (AM_CXXFLAGS): Turn off exceptions.
1189         * Makefile.in: Rebuild.
1190
1191 2010-06-16  Richard Henderson  <rth@redhat.com>
1192
1193         * alloc.cc (struct gtm_alloc_action): Move definition ...
1194         * libitm_i.h: ... here.
1195         (class gtm_transaction): Declare new and delete.
1196         * beginend.cc (alloc_tx): Reformulate as operator new.
1197         (free_tx): Reformulate as operator delete.
1198         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1199
1200 2010-06-11  Richard Henderson  <rth@redhat.com>
1201
1202         * clone.cc (clone_entry_compare): Fix typo.
1203         From Patrik Marlier <patrick.marlier@unine.ch>.
1204
1205 2010-05-13  Richard Henderson  <rth@redhat.com>
1206
1207         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1208         in extern "C".
1209
1210 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1211
1212         * libitm_i.h (struct gtm_transaction): Remove
1213         get_allocation_size.
1214         (record_allocation): Remove size parameter.
1215         * libitm.map (_ITM_realloc): Remove.
1216         * alloc_c.cc (_ITM_realloc): Remove.
1217         (_ITM_malloc): Remove size argument to record_allocation.
1218         (_ITM_calloc): Same.
1219         * alloc_cpp.cc (_ZGTtnwm): Same.
1220         (_ZGTtnwmRKSt9nothrow_t): Same.
1221         (_ZGTtnam): Same.
1222         (_ZGTtnamRKSt9nothrow_t): Same.
1223         * alloc.cc (struct gtm_alloc_action): Remove size.
1224         (get_allocation_size): Remove.
1225         (commit_allocations): Add comment.
1226         (record_allocation): Remove size parameter.
1227         (forget_allocation): Remove set of size.
1228
1229 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1230
1231         * Makefile.am (abi_version): New.
1232         (AM_CXXFLAGS): Pass abi_version.
1233         * Makefile.in: Regenerate.
1234         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1235
1236 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1237
1238         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1239         _ITM_getTMCloneOrIrrevokable.
1240         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1241         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1242
1243 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1244
1245         * configure.ac: Remove Linux futex support.
1246         * configure.tgt (config_path): Same.
1247         * Makefile.am: Same.
1248         * config/linux: Remove entire directory.
1249         * configure: Rebuild.
1250         * Makefile.in: Rebuild.
1251         * testsuite/Makefile.in: Rebuild.
1252
1253 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1254
1255         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1256         switching to serial mode.
1257         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1258
1259 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1260
1261         * configure.tgt: Add emacs -*- tags.
1262         * barrier.tpl: Same.
1263
1264 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1265
1266         * Makefile.am: Rename serial.cc to method-serial.cc.
1267         * Makefile.in: Regenerate with automake 1.11.1.
1268         * testsuite/Makefile.in: Same.
1269         * aclocal.m4: Regenerate with aclocal 1.11.1.
1270         * method-serial.cc: Rename from serial.cc.
1271         * libitm_i.h (struct gtm_transaction): Update comment on
1272         serialirr_mode.
1273
1274 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1275
1276         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1277         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1278
1279 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1280
1281         * configure: Rebuild.
1282
1283 2009-11-12  Richard Henderson  <rth@redhat.com>
1284
1285         * Rewrite everything in C++.
1286
1287 2009-11-03  Richard Henderson  <rth@redhat.com>
1288
1289         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1290         * Makefile.am (libitm_la_SOURCES): Add them.
1291         * configure.ac (ARCH_X86): New conditional.
1292         * Makefile.in, configure: Rebuild.
1293         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1294         Move futex setup into "other system configury" case.
1295         * local.c (rollback_local): Merge into ...
1296         (GTM_rollback_local): ... here.
1297         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1298         (_ITM_LB): Define as an alias to GTM_LB.
1299
1300 2009-11-03  Richard Henderson  <rth@redhat.com>
1301
1302         * method-readonly.c: New file.
1303         * Makefile.am (libitm_la_SOURCES): Add it.
1304         * Makefile.in: Rebuild.
1305         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1306         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1307         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1308         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1309         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1310         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1311         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1312         gtm_get_clock, gtm_inc_clock): New.
1313         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1314         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1315         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1316         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1317         replace uses with new libitm_i.h symbols.
1318         (dispatch_wbetl): Rename from wbetl_dispatch.
1319         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1320         away from dispatch_readonly; abort if the beginTransaction call
1321         asserted that the transaction was readonly.
1322
1323 2009-11-03  Richard Henderson  <rth@redhat.com>
1324
1325         * memset.c: New file.
1326         * Makefile.am (libitm_la_SOURCES): Add it.
1327         * Makefile.in: Rebuild.
1328         * testsuite/libitm.c/memset-1.c: New.
1329
1330 2009-11-03  Richard Henderson  <rth@redhat.com>
1331
1332         * dispatch.c: Remove file.
1333         * useraction.c (struct gtm_user_action): Move from libitm.h.
1334         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1335         (serial_memset, serial_memmove, serial_memcpy): Remove.
1336         (serial_W*, serial_R*): Remove.
1337         (serial_dispatch): Update to match.
1338         * configure.ac: Move Werror down below configure checks.  Don't
1339         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1340         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1341         Use GCC_AC_FUNC_MMAP_BLACKLIST
1342         * libitm.h: Split out all internal items to...
1343         * libitm_i.h: ... here.  New file.
1344         * copymask.c: New file.
1345         * local.c (struct gtm_local_undo): Move from libitm.h.
1346         (GTM_alloc_local): Rename from alloc_local; export.
1347         * memcpy.c: New file.
1348         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1349         * config/posix/page.c: New file.
1350         * config/posix/target_tls.h: Remove file.
1351         * barrier.c: New file.
1352         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1353         copymask.c, page.c.
1354         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1355         * method-wbetl.c: Rewrite for new cacheline methods.
1356         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1357
1358         * config/alpha/sjlj.S: Fix typo.
1359         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1360         * config/alpha/copymask.c: New file.
1361         * config/alpha/target.h (CACHELINE_SIZE): New.
1362         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1363
1364         * config/x86/target_i.h: Copy functions from x86/target.h.
1365         * config/x86/copymask.c: New file.
1366         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1367         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1368         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1369         * config/x86/target_tls.h: Move contents to target_i.h.
1370
1371         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1372         * testsuite/libitm.c/memcpy-1.c: New.
1373
1374 2009-10-22  Richard Henderson  <rth@redhat.com>
1375
1376         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1377         (AM_CCASFLAGS): New.
1378         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1379         saving/restoring _AC_ARG_VAR_PRECIOUS.
1380         * Makefile.in, aclocal.m4, config.h.in, configure,
1381         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1382
1383 2009-10-22  Richard Henderson  <rth@redhat.com>
1384
1385         * testsuite/*: Update for new compiler syntax.
1386
1387 2009-10-21  Richard Henderson  <rth@redhat.com>
1388
1389         * libitm.h (_ITM_abortReason): Add outerAbort.
1390
1391 2009-08-03  Richard Henderson  <rth@redhat.com>
1392
1393         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1394         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1395         * method-wbetl.c (struct w_entry): Remove mask.
1396         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1397         adjust all callers.
1398
1399 2009-07-22  Richard Henderson  <rth@redhat.com>
1400
1401         * eh_cpp.c: New file.
1402         * Makefile.am (libitm_la_SOURCES): Add it.
1403         * Makefile.in: Rebuild.
1404         * beginend.c (GTM_rollback_transaction): Undo exception state.
1405         (GTM_trycommit_transaction): Mark inline.
1406         (GTM_trycommit_and_finalize_transaction): Split out from ...
1407         (_ITM_commitTransaction): ... here.
1408         (_ITM_commitTransactionEH): New function.
1409         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1410         cxa_unthrown, eh_in_flight; reorder.
1411
1412         * testsuite/libitm.c++/c++.exp: New.
1413         * testsuite/libitm.c++/eh-1.C: New.
1414
1415         * aatree.c (aa_free): Remove REGPARM.
1416         * aatree.h: Remove all REGPARM.
1417
1418 2009-07-18  Richard Henderson  <rth@redhat.com>
1419
1420         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1421         * Makefile.am (libitm_la_SOURCES): Add them.
1422         * Makefile.in: Rebuild.
1423         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1424         (GTM_trycommit_transaction): Likewise.
1425         * libitm.h: Include aatree.h
1426         (struct gtm_alloc_action): New.
1427         (struct gtm_transaction): Add alloc_actions.
1428         (GTM_record_allocation, GTM_forget_allocation): Declare.
1429         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1430         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1431         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1432         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1433         _ZGTtdaPvRKSt9nothrow_t): Export.
1434
1435 2009-07-18  Richard Henderson  <rth@redhat.com>
1436
1437         * target_tls.h: Move ...
1438         * config/posix/target_tls.h: ... here.
1439
1440 2009-07-07  Richard Henderson  <rth@redhat.com>
1441
1442         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1443
1444 2009-07-07  Richard Henderson  <rth@redhat.com>
1445
1446         * Update to GPL3.
1447
1448 2009-07-07  Richard Henderson  <rth@redhat.com>
1449
1450         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1451         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1452
1453         * configure.tgt: Don't use -ftls-model for x86 linux.
1454         * libitm.h: Include target.h after standard includes.
1455         (_gtm_thr): Rename from gtm_thr.
1456         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1457         (gtm_disp, set_gtm_disp): New.
1458         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1459         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1460         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1461
1462 2009-07-07  Richard Henderson  <rth@redhat.com>
1463
1464         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1465
1466 2009-07-06  Richard Henderson  <rth@redhat.com>
1467
1468         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1469         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1470         (_ITM_beginTransaction): Take variadic arguments.
1471         (_ITM_registerThrownObject): Declare.
1472         * beginend.c, serial.c: Update.
1473         * libitm.map: Add _ITM_registerThrownObject.
1474
1475 2009-01-28  Richard Henderson  <rth@redhat.com>
1476
1477         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1478         * Makefile.in: Rebuild.
1479         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1480         (GTM_restart_transaction): Fix uninstrumented code check.
1481         * retry.c (GTM_decide_retry_strategy): Add serial check.
1482         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1483         automatically go irrevokable when in serial mode.
1484         * clone.c: New file.
1485         * libitm.h, libitm.map: Update.
1486
1487 2009-01-27  Richard Henderson  <rth@redhat.com>
1488
1489         * Makefile.am (LTCCASCOMPILE): Define.
1490         (libitm_la_SOURCES): Add methid-wbetl.c.
1491         * testsuite/Makefile.am: New
1492         * configure.ac: Add testsuite/Makefile.
1493         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1494         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1495         (_ITM_abortTransaction): Finalize implementation method; pass
1496         transaction properties to longjmp.
1497         (GTM_restart_transaction): Split out from ...
1498         (_ITM_commitTransaction): ... here.
1499         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1500         Move to config/x86/target.h.
1501         * config/linux/alpha/futex_bits.h: New.
1502         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1503         * config/x86/target.h: Disable target types for 32-bit.
1504         * config/alpha/sjlj.S, config/alpha/target.h: New.
1505         * libitm.h (struct gtm_dispatch): Add init, fini.
1506         (enum restart_reason): New.
1507         (struct gtm_transaction): Add method and restarts.
1508         * retry.c (GTM_decide_retry_strategy): Implement.
1509         * serial.c (serial_init, serial_fini): New.
1510         (GTM_serialmode): Finialize outgoing method.
1511         * method-wbetl.c: New.
1512
1513 2008-12-09  Richard Henderson  <rth@redhat.com>
1514
1515         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1516         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1517         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1518         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1519         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1520         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1521         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1522         * serial.c (serial_R##T, serial_W##T): Likewise.
1523
1524 2008-11-21  Richard Henderson  <rth@redhat.com>
1525
1526         * Initial commit.