libitm/ChangeLog

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