libitm/ChangeLog

   1 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   2         Revert:
   3         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   4
   5         * configure.tgt: Add -msoft-float to XCFLAGS.
   6
   7 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   8
   9         * configure.tgt: Add -msoft-float to XCFLAGS.
  10
  11 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  12
  13         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  14         (htm_transaction_active): Enable zEC12 instructions in the
  15         assembler.
  16         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  17
  18 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  19
  20         * acinclude.m4: Add htm asm check for s390.
  21         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
  22         * configure: Regenerate.
  23         * config/s390/target.h: Remove __HTM__ check.
  24         (htm_available): Call getauxval to get hwcaps and check whether
  25         HTM is available or not.
  26
  27 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
  28
  29         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
  30         * configure.ac: Use it.
  31         (AC_CHECK_HEADERS): Check for sys/auxv.h.
  32         (AC_CHECK_FUNCS): Check for getauxval.
  33         * config.h.in, configure: Rebuild.
  34         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
  35         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
  36         (USE_HTM_FASTPATH): Define.
  37         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
  38         _HTM_RETRIES) New macros.
  39         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
  40         htm_begin_success, htm_commit, htm_transaction_active): New functions.
  41
  42 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  43
  44         * config/s390/target.h: Include htmintrin.h.
  45         (_HTM_ITM_RETRIES): New macro definition.
  46         (htm_available, htm_init, htm_begin, htm_begin_success)
  47         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  48
  49 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
  50             Cesar Philippidis  <cesar@codesourcery.com>
  51
  52         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
  53         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
  54         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
  55         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
  56
  57 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  58
  59         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
  60         (_ITM_getTransactionId): Same.
  61         * config/x86/target.h (htm_transaction_active): New.
  62
  63 2013-06-20  Torvald Riegel  <triegel@redhat.com>
  64
  65         PR libitm/57643
  66         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
  67         the HTM fastpath.
  68
  69 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
  70
  71         PR bootstrap/56714
  72         * local_atomic (__always_inline): Always define our version.
  73         (__calculate_memory_order): Mark inline.
  74         (atomic_thread_fence): Ditto.
  75         (atomic_signal_fence): Ditto.
  76         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
  77         (atomic_bool::atomic_flag_clear_explicit): Ditto.
  78         (atomic_bool::atomic_flag_test_and_set): Ditto.
  79         (atomic_bool::atomic_flag_clear): Ditto.
  80
  81 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  82
  83         * config/s390/sjlj.S: New file.
  84         * config/s390/target.h: New file.
  85         * configure.tgt: Set options for S/390.
  86
  87 2013-03-23  Andi Kleen  <ak@linux.intel.com>
  88
  89         * local_atomic (__always_inline): Add.
  90         (__calculate_memory_order, atomic_thread_fence,
  91          atomic_signal_fence, test_and_set, clear, store, load,
  92          exchange, compare_exchange_weak, compare_exchange_strong,
  93          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
  94         Add __always_inline to force inlining.
  95
  96 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  97             Jack Howarth  <howarth@bromo.med.uc.edu>
  98             Patrick Marlier  <patrick.marlier@gmail.com>
  99
 100         PR libitm/55693
 101         * alloc_cpp.cc: Enable function declarations on darwin.
 102         * eh_cpp.cc: Likewise.
 103
 104 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 105
 106         Update copyright years.
 107
 108 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 109
 110         * beginend.cc (htm_fastpath): New.
 111         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 112         _ITM_commitTransactionEH): Add HTM fastpath handling.
 113         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 114         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 115         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 116         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 117         * configure.tgt: Add -mrtm to XCFLAGS.
 118         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 119         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 120         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 121         * retry.cc (parse_default_method): Add HTM method parsing.
 122         (gtm_thread::number_of_threads_changed): Use HTM by default if
 123         available.
 124
 125 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 126
 127         * configure: Regenerate.
 128
 129 2012-10-31  Richard Henderson  <rth@redhat.com>
 130
 131         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 132         * configure.ac: Use it.
 133         * config.h.in, configure: Rebuild.
 134         * testsuite/Makefile.in: Rebuild.
 135
 136 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 137
 138         * libitm.texi: Clarify ABI requirements for data-logging functions.
 139
 140 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 141
 142         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 143         it requires serial mode instead of assuming that for certain
 144         dispatchs.
 145         * dispatch.h (abi_dispatch::requires_serial): New.
 146         (abi_dispatch::abi_dispatch): Adapt.
 147         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 148         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 149         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 150         serial_dispatch::serial_dispatch,
 151         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 152
 153 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 154
 155         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 156         and ia32 declarations some more.
 157         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 158
 159 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 160
 161         PR other/43620
 162         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 163         * configure: Regenerate.
 164         * Makefile.in: Regenerate.
 165
 166 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 167
 168         * configure: Regenerated.
 169
 170 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 171
 172         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 173
 174 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 175
 176         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 177
 178 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 179
 180         * configure: Regenerated.
 181
 182 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 183
 184         PR libitm/52854
 185         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 186         for x86-64.
 187
 188 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 189
 190         * configure: Regenerate.
 191
 192 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 193
 194         PR bootstrap/52812
 195         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 196
 197 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 198
 199         * testsuite/lib/libitm.exp: load fortran-modules.exp
 200
 201 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 202
 203         * configure.tgt (*-*-irix6*): Remove.
 204
 205 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 206
 207         PR libitm/52526
 208         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 209         wake-up.
 210
 211 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 212
 213         * configure.tgt (*-*-osf*): Remove.
 214         * configure: Regenerate.
 215
 216 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 217
 218         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 219         memtransfer/memset if size isn't larger than zero.
 220
 221 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 222
 223         * libitm.texi: Link to specification and add a usage example.
 224
 225 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 226
 227         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 228         default dispatch for more than 1 thread to ml_wt.
 229
 230 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 231
 232         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 233
 234 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 235
 236         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 237
 238 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 239
 240         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 241         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 242         (gl_wt_dispatch.rollback): Same.
 243
 244 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 245
 246         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 247
 248 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 249
 250         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 251         for RfW src.  Optimize number of calls to gtm_thr.
 252
 253 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 254
 255         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 256         acquisition to ...
 257         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 258         (default_dispatch): Make atomic.
 259         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 260         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 261         use decide_begin_dispatch() if default_dispatch might have changed.
 262         (GTM::gtm_thread::number_of_threads_changed): Initialize
 263         default_dispatch here.
 264
 265 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 266             Patrick Marlier  <patrick.marlier@gmail.com>
 267
 268         PR libitm/52220
 269         * alloc_cpp.cc: No dummy definitions for darwin.
 270         * eh_cpp.cc: Likewise.
 271
 272 2012-02-14  Richard Henderson  <rth@redhat.com>
 273
 274         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 275
 276 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 277
 278         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 279
 280 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 281
 282         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 283         (GTM::gtm_thread): Add read and write logs.
 284         (GTM::dispatch_ml_wt): Declare.
 285         * retry.cc (parse_default_method): Support ml_wt.
 286         * method-ml.cc: New file.
 287         * Makefile.am: Add method-ml.cc.
 288         * Makefile.in: Regenerate.
 289
 290 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 291
 292         * dispatch.h (GTM::abi_dispatch::supports): New.
 293         (GTM::method_group::reinit): New.
 294         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 295         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 296         supports the current situation.
 297
 298 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 299
 300         * util.cc (GTM::xcalloc): New.
 301         * common.h (GTM::xcalloc): Declare.
 302
 303 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 304
 305         * config/sparc/target.h (cpu_relax): Read from CC register.
 306         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 307
 308 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 309
 310         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 311
 312 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 313
 314         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 315         * config/sparc/cacheline.h: New file.
 316         * config/sparc/target.h: Likewise.
 317         * config/sparc/sjlj.S: Likewise.
 318         * config/linux/sparc/futex_bits.h: Likewise.
 319
 320 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 321
 322         * configure.ac (link_itm): Fix comment.
 323         * configure: Regenerate.
 324         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 325
 326 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 327
 328         PR libitm/51822
 329         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 330         Correct libgomp references.
 331
 332 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 333
 334         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 335         wake-up.
 336
 337 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 338
 339         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 340         end of structure.
 341         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 342         offset values.  Do not copy return address.  Decrement stack
 343         by 56 bytes only.
 344         (GTM_longjump) [__x86_64__]: Update offset values.
 345
 346 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 347
 348         PR libitm/51830
 349         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 350         the first function argument to %eax.
 351
 352 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 353
 354         * libitm.h (_ITM_getThreadnum): Remove.
 355         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 356
 357 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 358
 359         * clearcap.map: New file.
 360         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 361         * configure.ac: Call it.
 362         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 363         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 364         * configure: Regenerate.
 365         * Makefile.in: Regenerate.
 366         * testsuite/Makefile.in: Regenerate.
 367
 368 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 369
 370         PR libitm/51173
 371         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 372         include, exclude options.
 373
 374 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 375
 376         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 377         rolling back.
 378         * containers.h (GTM::vector::set_size): New.
 379
 380 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 381
 382         PR libitm/51855
 383         * config/generic/tls.h (GTM::mask_stack_top): New.
 384         (GTM::mask_stack_bottom): Declare.
 385         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 386         * local.cc (gtm_undolog::rollback): Filter out any updates that
 387         overlap the libitm stack.  Add current transaction as parameter.
 388         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 389         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 390         * testsuite/libitm.c/stackundo.c: New test.
 391
 392 2012-01-10  Richard Henderson  <rth@redhat.com>
 393
 394         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 395         * eh_cpp.cc (_Unwind_DeleteException): Define for
 396         !HAVE_ELF_STYLE_WEAKREF.
 397
 398 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 399
 400         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 401         (GTM::gtm_thread::drop_references_undolog): Remove.
 402         (GTM::gtm_thread::commit_undolog,
 403         GTM::gtm_thread::rollback_undolog): Move to ...
 404         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 405         (GTM::gtm_undolog_entry): Remove.
 406         (GTM::gtm_thread): Adapt.
 407         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 408         (GTM::gtm_thread::trycommit): Adapt.
 409         * method-serial.cc (serial_dispatch::log): Adapt.
 410         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 411         (gl_wt_dispatch::store): Fix likely/unlikely.
 412         * containers.h (GTM::vector::resize): Add additional_capacity
 413         parameter and handle it.
 414         (GTM::vector::resize_noinline): New/adapt.
 415         (GTM::vector::push): New.
 416
 417 2012-01-06  Richard Henderson  <rth@redhat.com>
 418
 419         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 420         * config/linux/powerpc/futex_bits.h: New file.
 421         * config/powerpc/cacheline.h: New file.
 422         * config/powerpc/sjlj.S: New file.
 423         * config/powerpc/target.h: New file.
 424         * config/generic/asmcfi.h (cfi_offset): New.
 425         (cfi_restore, cfi_undefined): New.
 426
 427 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 428
 429         PR other/51171
 430         * testsuite/libitm.c/reentrant.c: Remove xfail.
 431         (thread): Pass x to pure().
 432         From Patrik Marlier <patrick.marlier@gmail.com>.
 433
 434 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 435
 436         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 437         privatization safety if already in serial mode.
 438
 439 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 440
 441         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 442         finish_serial_upgrade parameter.
 443         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 444         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 445         Don't unset reader flag.
 446         (GTM::gtm_rwlock::write_upgrade_finish): New.
 447         * config/posix/rwlock.cc: Same.
 448         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 449         Declare.
 450         * config/posix/rwlock.h: Same.
 451         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 452         flag after commit or after rollback when restarting.
 453
 454 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 455
 456         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 457         (GTM::gtm_thread::try_commit): Changed memory order.
 458         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 459         as parameter.
 460         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 461         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 462         * config/linux/futex_bits.h (sys_futex0): Same.
 463         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 464         * config/linux/futex.h (futex_wait, futex_wake): Same.
 465         * config/linux/rwlock.h (gtm_rwlock::writers,
 466         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 467         ints.
 468         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 469         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 470         gtm_rwlock::write_unlock): Fix memory orders and fences.
 471         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 472         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 473         gtm_rwlock::write_unlock): Same.
 474         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 475         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 476         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 477         Add comments.
 478         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 479         gl_wt_dispatch::load, gl_wt_dispatch::store,
 480         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 481         orders and fences.  Add comments.
 482
 483 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 484
 485         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 486         * Makefile.in: Regenerated.
 487
 488 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 489
 490         * configure.tgt: Add sh* case.
 491         * config/sh/target.h: New file.
 492         * config/sh/sjlj.S: New file.
 493         * config/linux/sh/futex_bits.h: New file.
 494
 495 2011-12-14  Richard Henderson  <rth@redhat.com>
 496
 497         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 498         * config/arm/sjlj.S, config/arm/target.h: New files.
 499         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 500         (cfi_rel_offset): New.
 501         * config/linux/futex_bits.h: New file.
 502         * config/linux/futex.cc: Include futex_bits.h here...
 503         * config/linux/futex.h: ... not here.
 504         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 505         * configure.ac (ARCH_AM): New conditional.
 506         * Makefile.in, configure: Rebuild.
 507         * configure.tgt: Handle ARM.
 508
 509 2011-12-13  Richard Henderson  <rth@redhat.com>
 510
 511         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 512         signed/unsigned comparison werror.
 513
 514         * local_atomic: New file.
 515         * libitm_i.h: Include it.
 516         (gtm_thread::shared_state): Use atomic template.
 517         * beginend.cc (GTM::gtm_clock): Use atomic template.
 518         (global_tid): Use atomic template if 64-bit atomics available.
 519         (gtm_thread::gtm_thread): Update shared_state access.
 520         (gtm_thread::trycommit): Likewise.
 521         (choose_code_path): Update global_tid access.
 522         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 523         * stmlock.h (GTM::gtm_clock): Use atomic template.
 524         (gtm_get_clock, gtm_inc_clock): Update accesses.
 525         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 526         redundant __sync_synchronize after atomic shared_state access.
 527         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 528         (gtm_rwlock::write_lock_generic): Likewise.
 529         (gtm_rwlock::read_unlock): Likewise.
 530         * config/alpha/target.h (atomic_read_barrier): Remove.
 531         (atomic_write_barrier): Remove.
 532         * config/x86/target.h (atomic_read_barrier): Remove.
 533         (atomic_write_barrier): Remove.
 534
 535 2011-11-30  Richard Henderson  <rth@redhat.com>
 536
 537         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 538         * beginend.c (_ITM_abortTransaction): Update to match.
 539         (GTM::gtm_thread::restart): Likewise.
 540         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 541         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 542
 543 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 544
 545         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 546         * Makefile.in: Regenerate.
 547
 548 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 549
 550         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 551         * alloc_cpp.cc: Generate dummy functions if we don't
 552         HAVE_ELF_STYLE_WEAKREF.
 553         * eh_cpp.cc: Likewise.
 554         * configure: Regenerate.
 555         * aclocal.m4:  Likewise.
 556         * config.h.in: Likewise.
 557         * Makefile.in: Likewise.
 558         * testsuite/Makefile.in: Likewise.
 559
 560 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 561
 562         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 563         __USER_LABEL_PREFIX__ for targets that use it.
 564         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 565         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 566         in portability to non-elf targets.
 567         (GTM_longjmp): Likewise.
 568         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 569         where required.
 570
 571 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 572
 573         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 574         * testsuite/libitm.c/memset-1.c: Likewise.
 575
 576 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 577
 578         * configure: Regenerate.
 579
 580 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 581
 582         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 583         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 584         * Makefile.am: Handle sun style versioning.
 585         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 586         * configure: Regenerate.
 587         * Makefile.in: Regenerate.
 588
 589 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 590
 591         * config/generic/asmcfi.h: Fix comment.
 592         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 593         sequence without .hidden support, error for non-ELF targets.
 594         (GTM_longjmp) [__ELF__]: Only use .hidden if
 595         HAVE_ATTRIBUTE_VISIBILITY.
 596
 597 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 598
 599         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 600         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 601         Dummy functions.
 602         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 603         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 604
 605 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 606
 607         PR bootstrap/51098
 608         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 609         * configure: Regenerate.
 610
 611 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 612
 613         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 614
 615 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 616
 617         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 618         .hidden.
 619         (.note.GNU-stack): Only use if __linux__.
 620         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 621         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 622         * testsuite/libitm.c/reentrant.c: Likewise.
 623         * testsuite/libitm.c/simple-2.c: Likewise.
 624         * testsuite/libitm.c/txrelease.c: Likewise.
 625         * testsuite/libitm.c++/static_ctor.C: Likewise.
 626
 627 2011-11-10  Richard Henderson  <rth@redhat.com>
 628
 629         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 630         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 631         * configure.ac (ARCH_X86_AVX): New conditional.
 632         * Makefile.in, configure: Rebuild.
 633
 634 2011-11-09  Richard Henderson  <rth@redhat.com>
 635
 636         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 637         * configure.ac: Use it.
 638         * config.h.in, configure: Rebuild.
 639         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 640
 641 2011-11-09  Richard Henderson  <rth@redhat.com>
 642
 643         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 644         * config/alpha/unaligned.h: Remove file.
 645         * config/generic/unaligned.h: Remove file.
 646         * config/x86/unaligned.h: Remove file.
 647         * config/generic/cachepage.h: Remove file.
 648         * config/posix/cachepage.cc: Remove file.
 649         * config/generic/cacheline.cc: Remove file.
 650         * config/x86/cacheline.cc: Remove file.
 651         * config/generic/cacheline.h (gtm_cacheline): Remove the
 652         store_mask, copy_mask, copy_mask_wb methods.
 653         * config/x86/cacheline.h: Likewise.
 654         * config/alpha/cacheline.h: Fall back to generic after setting size.
 655         * config/generic/tls.cc (gtm_mask_stack): Remove.
 656         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 657         (GTM_vpalignr_table): Remove.
 658         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 659         (GTM_pshift_table): Remove.
 660         * config/libitm_i.h: Don't include cachepage.h.
 661         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 662         * Makefile.in, testsuite/Makefile.in: Rebuild.
 663
 664 2011-11-09  Richard Henderson  <rth@redhat.com>
 665
 666         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 667         to emit branch prediction hint.
 668
 669         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 670         Protect .note.GNU-stack with __linux__.
 671
 672         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 673         * configure, aclocal.m4, config.h.in: Rebuild.
 674         * config/generic/asmcfi.h: New file.
 675         * config/x86/sjlj.S: Use it.
 676
 677 2011-11-08  Richard Henderson  <rth@redhat.com>
 678
 679         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 680
 681 2011-11-08  Richard Henderson  <rth@redhat.com>
 682
 683         * configure.tgt: Test correct directory for supported cpus.
 684
 685         * configure.ac: Exit if unsupported.
 686         * configure: Rebuild.
 687         * configure.tgt: Delete boilerplate from libgomp for unsupported
 688         targets.  Set UNSUPPORTED for unsupported targets.
 689
 690 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 691
 692         * configure.tgt: Handle i386 like i[456]86.
 693         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 694         take address.
 695         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 696         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 697
 698 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 699
 700         * method-wbetl.cc: Update copyright notice.
 701         * aatree.cc: Same.
 702         * util.cc: Same.
 703         * libitm.h: Same.
 704         * memset.cc: Same.
 705         * eh_cpp.cc: Same.
 706         * barrier.tpl: Same.
 707         * useraction.cc: Same.
 708         * stmlock.h: Same.
 709         * memcpy.cc: Same.
 710         * common.h: Same.
 711         * config/generic/tls.cc: Same.
 712         * config/generic/cacheline.h: Same.
 713         * config/generic/cachepage.h: Same.
 714         * config/generic/cacheline.cc: Same.
 715         * config/generic/unaligned.h: Same.
 716         * config/x86/cacheline.h: Same.
 717         * config/x86/cacheline.cc: Same.
 718         * config/x86/unaligned.h: Same.
 719         * config/alpha/cacheline.h: Same.
 720         * config/alpha/unaligned.h: Same.
 721         * config/alpha/sjlj.S: Same.
 722         * config/posix/cachepage.cc: Same.
 723         * config/linux/futex.h: Same.
 724         * config/linux/alpha/futex_bits.h: Same.
 725
 726 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 727
 728         * libitm.texi: No cover text and invariant sections.
 729
 730 2011-11-03  Richard Henderson  <rth@redhat.com>
 731
 732         * local_type_traits: New file.
 733         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 734
 735 2011-11-03  Richard Henderson  <rth@redhat.com>
 736
 737         * configure.ac: Don't test for gfortran.
 738         * configure: Rebuild.
 739
 740         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 741         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 742
 743 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 744
 745         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 746         * testsuite/libitm.c/memset-1.c: Same.
 747         * testsuite/libitm.c/c.exp: Same.
 748         * testsuite/lib/libitm-dg.exp: Same.
 749         * testsuite/lib/libitm.exp: Same.
 750         * testsuite/libitm.c++/c++.exp: Same.
 751
 752 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 753
 754         * testsuite/config/default.exp: Update copyright date.
 755         * configure.ac: Add copyright info.
 756         * configure.tgt: Same.
 757
 758 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 759
 760         * testsuite/libitm.c/reentrant.c: XFAIL.
 761         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 762
 763 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 764
 765         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 766         handle aborts.
 767         (_ITM_abortTransaction): Handle aborts of outer transactions.
 768         * libitm_i.h: Same.
 769         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 770         * libitm.texi: Document aborts of outer transactions.
 771         * testsuite/libitm.c/cancel.c: New file.
 772
 773 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 774
 775         * testsuite/*: Change __transaction to __transaction_atomic or
 776         __transaction_relaxed.
 777
 778 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 779
 780         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 781         (gtm_thr): Same.
 782
 783 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 784
 785         * libitm_i.h: Add gl_wt dispatch.
 786         * retry.cc (parse_default_method): Same.
 787         * method-gl.cc: New file.
 788         * Makefile.am: Use method-gl.cc.
 789         * Makefile.in: Rebuild.
 790
 791 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 792
 793         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 794         safety if requested by a TM method.
 795         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 796         privatization safety.
 797         * method-serial.cc: Same.
 798
 799 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 800
 801         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 802         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 803         undolog-related member functions from *_local to *_undolog.
 804         * local.cc (gtm_thread::commit_undolog): Same.
 805         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 806         (GTM::gtm_thread::rollback): Roll back undolog before
 807         dispatch-specific rollback.
 808
 809 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 810
 811         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 812         re-initialization of the current method group.
 813         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 814
 815 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 816
 817         * alloc.cc (commit_allocations_2): Do not free transaction-local
 818         memory when committing a nested transaction.
 819
 820 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 821
 822         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 823         serial-irrevocable dispatch, not serial.
 824
 825 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 826
 827         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 828         declarations.
 829         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 830         * method-serial.cc: Implement begin_or_restart().
 831         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 832         dispatch-specific begin_or_restart().
 833         (GTM::gtm_thread::restart): Same.
 834
 835 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 836
 837         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 838         restarting without switching to serial mode.
 839         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 840         transaction state. Choose closed-nesting alternative if available.
 841         (GTM::gtm_thread::set_default_dispatch): New.
 842         (parse_default_method): New.
 843         (GTM::gtm_thread::number_of_threads_changed): New.
 844         * method-serial.cc (GTM::serial_mg): New method group class.
 845         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 846         fini.
 847         (GTM::serial_dispatch): Same.
 848         (GTM::serialirr_onwrite_dispatch): Same.
 849         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 850         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 851         registered threads.
 852         (GTM::gtm_thread::gtm_thread): Same.
 853         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 854         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 855         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 856         choose dispatch but set state according to dispatch here.
 857         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 858         (GTM::method_group): New class.
 859         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 860         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 861         * libitm.texi: Document TM methods, method groups, method life cycle.
 862         Rename method sets to method groups.
 863
 864 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 865
 866         * config/x86/tls.h: Moved to ...
 867         * config/linux/x86/tls.h: ... here.
 868
 869 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 870
 871         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 872         Add X32 support.
 873         * config/x86/sjlj.S: Same.
 874
 875 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 876
 877         * config/linux/rwlock.h: New file.
 878         * config/linux/rwlock.c: New file.
 879         * configure.ac: Reenable futex support (undo SVN rev 157758).
 880         * Makefile.am: Same.
 881         * configure.tgt: Same.
 882         * config/linux/alpha/futex_bits.h: Same.
 883         * config/linux/futex.h: Same. Return number of woken processes.
 884         * config/linux/futex.cc: Same.
 885         (futex_wait): Remove spinning.
 886         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 887         Use __x86_64__ instead of __LP64__.
 888         * aclocal.m4: Include generic futex checks.
 889         * configure: Rebuild.
 890         * Makefile.in: Rebuild.
 891         * testsuite/Makefile.in: Rebuild.
 892         * beginend.cc: Include pthread.h.
 893         * config/posix/cachepage.cc: Same.
 894
 895 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 896
 897         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 898         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 899         (set_gtm_thr): New.
 900         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 901         (set_gtm_thr): New.
 902         (GTM::gtm_thread::thread_num): Removed.
 903         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 904         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 905         tx-to-thread renaming.
 906         * beginend.cc: Adapted to tx-to-thread renaming.
 907         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 908         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 909         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 910         gtm_transaction to gtm_thread.
 911         (_ITM_getThreadnum): Removed. Not supported anymore.
 912         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 913         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 914         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 915         gtm_tx-to-gtm_thr renaming if necessary.
 916         * eh_cpp.cc: Same.
 917         * local.cc: Same.
 918         * retry.cc: Same.
 919         * clone.cc: Same.
 920         * alloc.cc: Same.
 921         * alloc_c.cc: Same.
 922         * alloc_cpp.cc: Same.
 923         * method-serial.cc: Same.
 924         * config/generic/tls.cc: Same.
 925         * config/posix/rwlock.h (gtm_rwlock): Same.
 926         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 927
 928 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 929
 930         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 931         implementation.
 932         (gtm_rwlock::read_unlock): Same.
 933         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 934         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 935         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 936         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 937         w_upgrade. Replaced by per-transaction flags (in shared_state).
 938         Added c_confirmed_writers.
 939         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 940         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 941         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 942         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 943         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 944         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 945         * libitm.texi: Document locking conventions and implementations in
 946         libitm.
 947
 948 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 949
 950         * libitm_i.h (next_tx): Add list of all threads' transaction.
 951         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 952         transaction with list of transactions and ...
 953         (thread_exit_handler): ... deregister here.
 954         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 955         * config/x86/target.h: Same.
 956
 957 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 958
 959         * testsuite/libitm.c++/static_ctor.C: New file.
 960
 961 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 962
 963         * testsuite/libitm.c/reentrant.c: New file.
 964
 965 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 966
 967         * config/generic/tls.h: Remove the free list for transactions and ...
 968         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 969         (GTM::gtm_transaction::operator delete): ... and release here.
 970         (thread_exit_handler): New. Delete tx when thread terminates.
 971         (thread_exit_init): New.
 972         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 973         * testsuite/libitm.c/txrelease.c: New file.
 974
 975 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 976
 977         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 978         * testsuite/libitm.c/notx.c: New file.
 979
 980 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 981
 982         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 983         * libitm_i.h (local_tid): ... to here.
 984         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 985         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 986
 987 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 988
 989         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 990         serialirr_onwrite_dispatch as new default for now.
 991         * method-serial.cc (serialirr_onwrite_dispatch): New.
 992         (GTM::dispatch_serialirr_onwrite): New.
 993         * libitm_i.h: Same.
 994
 995 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 996
 997         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 998         * query.cc (_ITM_getTransactionId): There is no active transaction if
 999         the current nesting level is zero.
1000
1001 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1002
1003         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1004         rollback.
1005
1006 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1007
1008         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1009         transaction properties from the caller instead of from the
1010         transaction object.
1011         * libitm_i.h: Same.
1012         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1013
1014 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1015
1016         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1017         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1018         * dispatch.h: Same.
1019         * method-serial.cc: Same.
1020         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1021         flat nesting as default, and closed nesting on demand.
1022         (GTM::gtm_transaction::rollback): Same.
1023         (_ITM_abortTransaction): Same.
1024         (GTM::gtm_transaction::restart): Same.
1025         (GTM::gtm_transaction::trycommit): Same.
1026         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1027         (choose_code_path): New.
1028         (GTM::gtm_transaction_cp::save): New.
1029         (GTM::gtm_transaction_cp::commit): New.
1030         * query.cc (_ITM_inTransaction): Support flat nesting.
1031         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1032         (GTM::gtm_transaction): Support flat and closed nesting.
1033         * alloc.cc (commit_allocations_2): New.
1034         (commit_cb_data): New helper struct.
1035         (GTM::gtm_transaction::commit_allocations): Handle nested
1036         commits/rollbacks.
1037         * libitm.texi: Update user action section, add description of nesting.
1038
1039 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1040
1041         * libitm_i.h: Add closed nesting as restart reason.
1042         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1043
1044 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1045
1046         * useraction.cc: Use vector instead of list to store actions.
1047         Also support partial rollbacks for closed nesting.
1048         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1049         * beginend.cc: Same.
1050
1051 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1052
1053         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1054         closed_nesting flags, as well as a closed nesting alternative.
1055         * method-serial.cc: Same.
1056         (serial_dispatch): Renamed to serialirr_dispatch.
1057         (GTM::dispatch_serialirr): Same.
1058         (serial_dispatch_ul): Renamed to serial_dispatch.
1059         (GTM::dispatch_serial): Same.
1060
1061 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1062
1063         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1064
1065 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1066
1067         * aatree.h (aa_tree::remove): New.
1068         (aa_tree::operator new): Add placement new.
1069
1070 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1071
1072         * containers.h: New file.
1073         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1074         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1075         * common.h: ... to here.
1076         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1077         * local.cc: Same.
1078
1079 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1080
1081         * libitm_i.h (STATE_ABORTING): Remove.
1082         * beginend.cc (_ITM_abortTransaction): Same.
1083         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1084         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1085         (_ITM_rollbackTransaction): Remove.
1086         * beginend.cc: Same.
1087         * libitm.map: Same.
1088         * libitm.texi: Document these ABI changes.
1089
1090 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1091
1092         * libitm.texi: New file.
1093         * Makefile.am: Add libitm.texi.
1094         * Makefile.in: Rebuild.
1095
1096 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1097
1098         * libitm_i.h: Move parts to common.h and dispatch.h.
1099         * common.h: New file.
1100         * dispatch.h: New file, new dispatch class.
1101         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1102         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1103         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1104         decision to retry.cc.
1105         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1106         only.
1107         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1108         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1109         logging.
1110         * barrier.cc: Use new barriers definitions.
1111         (abi_dispatch::memmove_overlap_check): New.
1112         * config/x86/x86_sse.cc: Same.
1113         * config/x86/x86_avx.cc: Same.
1114         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1115         memcpy.cc.
1116         * Makefile.in: Rebuild.
1117         * method-readonly.cc: Remove.
1118         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1119         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1120
1121 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1122
1123         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1124         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1125         * testsuite/libitm.c/dropref-2.c: Same.
1126         * testsuite/libitm.c/dropref.c: Same.
1127
1128 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1129
1130         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1131         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1132         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1133         * alloc_c.cc: Same.
1134         * barrier.tpl: Same.
1135         * beginend.c: Same.
1136         * config/generic/tls.h: Same.
1137         * config/x86/tls.h: Same.
1138         * libitm_i.h: Same.
1139         * memcpy.cc: Same.
1140         * memset.cc: Same.
1141         * method-readonly.cc: Same.
1142         * method-serial.cc: Same.
1143         * method-wbetl.cc: Same.
1144         * retry.cc: Same.
1145
1146 2011-03-03  Richard Henderson  <rth@redhat.com>
1147
1148         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1149         From Patrik Marlier <patrick.marlier@unine.ch>.
1150
1151 2011-02-03  Richard Henderson  <rth@redhat.com>
1152
1153         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1154         * configure.ac: Use it.
1155         * configure, config.h.in: Rebuild.
1156         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1157         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1158         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1159         * libitm.map: Use wildcards to match size_t mangling.
1160
1161 2010-12-14  Richard Henderson  <rth@redhat.com>
1162
1163         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1164         blocks of TIDs per thread.
1165         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1166         (setup_gtm_thr): Return the thread structure.
1167         * config/x86/tls.h (setup_gtm_thr): Likewise.
1168
1169 2010-12-14  Richard Henderson  <rth@redhat.com>
1170
1171         * clone.cc (table_lock): Remove.
1172         (find_clone): Don't take it.
1173         (ExcludeTransaction): New helper class.
1174         (_ITM_registerTMCloneTable): Use it.
1175         (_ITM_deregisterTMCloneTable): Likewise.
1176
1177 2010-12-14  Richard Henderson  <rth@redhat.com>
1178
1179         * config/x86/tls.h: New file.
1180
1181 2010-07-15  Richard Henderson  <rth@redhat.com>
1182
1183         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1184         * Makefile.in: Rebuild.
1185
1186 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1187
1188         * method-wbetl.cc (trydropreference): Fix source line.
1189
1190 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1191
1192         * libitm.h: Add comment.
1193         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1194
1195 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1196
1197         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1198         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1199         available, use pthread mutexes.
1200         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1201         * config.h.in: Regenerate.
1202         * configure: Regenerate.
1203
1204 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1205
1206         * libitm.h (ITM_PURE): Define.
1207         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1208
1209 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1210
1211         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1212         (validate): Add comment.
1213         (trydropreference): New.
1214         * method-readonly.cc (class readonly_dispatch): Add
1215         trydropreference.
1216         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1217         Call trydropreference().
1218         * libitm.h (_ITM_dropReferences): Remove const attribute.
1219         * method-serial.cc (class serial_dispatch): Add trydropreference.
1220         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1221
1222 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1223
1224         * memcpy.cc (do_memcpy): Comment.
1225
1226 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1227
1228         * barrier.tpl: Add comments throughout.
1229
1230 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1231
1232         * method-wbetl.cc (struct w_entry): Add comments.
1233         (trycommit): Same.
1234         (rollback): Same.
1235
1236 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1237
1238         * alloc_c.cc (_ITM_dropReferences): New.
1239         * libitm.map (_ITM_dropReferences): Add.
1240         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1241         * libitm_i.h (struct gtm_transaction): Declare
1242         drop_references_allocations and drop_references_local.
1243         * local.cc (rollback_local): Ignore memory when applicable.
1244         (drop_references_local): New.
1245
1246 2010-06-23  Richard Henderson  <rth@redhat.com>
1247
1248         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1249         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1250         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1251         * config/alpha/target.h: Likewise.
1252         * config/generic/tls.cc (gtm_mask_stack): Use it.
1253
1254 2010-06-23  Richard Henderson  <rth@redhat.com>
1255
1256         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1257         a mutex instead of trying a lock-free compare-and-swap on the list.
1258         (gtm_cacheline_page::operator delete): Likewise.
1259
1260 2010-06-16  Richard Henderson  <rth@redhat.com>
1261
1262         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1263         that overlap the libitm stack.
1264         * barrier.tpl: Mark incoming stack.
1265         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1266         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1267         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1268         * memcpy.cc, memset.cc: Likewise.
1269         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1270         * config/generic/tls.h (gtm_thread): Add stack_top member.
1271         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1272         * libitm_i.h (gtm_mask_stack): Declare.
1273         * config/generic/tls.cc: New file.
1274         * Makefile.am (libitm_la_SOURCES): Add it.
1275         (AM_CXXFLAGS): Turn off exceptions.
1276         * Makefile.in: Rebuild.
1277
1278 2010-06-16  Richard Henderson  <rth@redhat.com>
1279
1280         * alloc.cc (struct gtm_alloc_action): Move definition ...
1281         * libitm_i.h: ... here.
1282         (class gtm_transaction): Declare new and delete.
1283         * beginend.cc (alloc_tx): Reformulate as operator new.
1284         (free_tx): Reformulate as operator delete.
1285         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1286
1287 2010-06-11  Richard Henderson  <rth@redhat.com>
1288
1289         * clone.cc (clone_entry_compare): Fix typo.
1290         From Patrik Marlier <patrick.marlier@unine.ch>.
1291
1292 2010-05-13  Richard Henderson  <rth@redhat.com>
1293
1294         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1295         in extern "C".
1296
1297 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1298
1299         * libitm_i.h (struct gtm_transaction): Remove
1300         get_allocation_size.
1301         (record_allocation): Remove size parameter.
1302         * libitm.map (_ITM_realloc): Remove.
1303         * alloc_c.cc (_ITM_realloc): Remove.
1304         (_ITM_malloc): Remove size argument to record_allocation.
1305         (_ITM_calloc): Same.
1306         * alloc_cpp.cc (_ZGTtnwm): Same.
1307         (_ZGTtnwmRKSt9nothrow_t): Same.
1308         (_ZGTtnam): Same.
1309         (_ZGTtnamRKSt9nothrow_t): Same.
1310         * alloc.cc (struct gtm_alloc_action): Remove size.
1311         (get_allocation_size): Remove.
1312         (commit_allocations): Add comment.
1313         (record_allocation): Remove size parameter.
1314         (forget_allocation): Remove set of size.
1315
1316 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1317
1318         * Makefile.am (abi_version): New.
1319         (AM_CXXFLAGS): Pass abi_version.
1320         * Makefile.in: Regenerate.
1321         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1322
1323 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1324
1325         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1326         _ITM_getTMCloneOrIrrevokable.
1327         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1328         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1329
1330 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1331
1332         * configure.ac: Remove Linux futex support.
1333         * configure.tgt (config_path): Same.
1334         * Makefile.am: Same.
1335         * config/linux: Remove entire directory.
1336         * configure: Rebuild.
1337         * Makefile.in: Rebuild.
1338         * testsuite/Makefile.in: Rebuild.
1339
1340 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1341
1342         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1343         switching to serial mode.
1344         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1345
1346 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1347
1348         * configure.tgt: Add emacs -*- tags.
1349         * barrier.tpl: Same.
1350
1351 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1352
1353         * Makefile.am: Rename serial.cc to method-serial.cc.
1354         * Makefile.in: Regenerate with automake 1.11.1.
1355         * testsuite/Makefile.in: Same.
1356         * aclocal.m4: Regenerate with aclocal 1.11.1.
1357         * method-serial.cc: Rename from serial.cc.
1358         * libitm_i.h (struct gtm_transaction): Update comment on
1359         serialirr_mode.
1360
1361 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1362
1363         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1364         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1365
1366 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1367
1368         * configure: Rebuild.
1369
1370 2009-11-12  Richard Henderson  <rth@redhat.com>
1371
1372         * Rewrite everything in C++.
1373
1374 2009-11-03  Richard Henderson  <rth@redhat.com>
1375
1376         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1377         * Makefile.am (libitm_la_SOURCES): Add them.
1378         * configure.ac (ARCH_X86): New conditional.
1379         * Makefile.in, configure: Rebuild.
1380         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1381         Move futex setup into "other system configury" case.
1382         * local.c (rollback_local): Merge into ...
1383         (GTM_rollback_local): ... here.
1384         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1385         (_ITM_LB): Define as an alias to GTM_LB.
1386
1387 2009-11-03  Richard Henderson  <rth@redhat.com>
1388
1389         * method-readonly.c: New file.
1390         * Makefile.am (libitm_la_SOURCES): Add it.
1391         * Makefile.in: Rebuild.
1392         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1393         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1394         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1395         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1396         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1397         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1398         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1399         gtm_get_clock, gtm_inc_clock): New.
1400         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1401         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1402         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1403         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1404         replace uses with new libitm_i.h symbols.
1405         (dispatch_wbetl): Rename from wbetl_dispatch.
1406         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1407         away from dispatch_readonly; abort if the beginTransaction call
1408         asserted that the transaction was readonly.
1409
1410 2009-11-03  Richard Henderson  <rth@redhat.com>
1411
1412         * memset.c: New file.
1413         * Makefile.am (libitm_la_SOURCES): Add it.
1414         * Makefile.in: Rebuild.
1415         * testsuite/libitm.c/memset-1.c: New.
1416
1417 2009-11-03  Richard Henderson  <rth@redhat.com>
1418
1419         * dispatch.c: Remove file.
1420         * useraction.c (struct gtm_user_action): Move from libitm.h.
1421         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1422         (serial_memset, serial_memmove, serial_memcpy): Remove.
1423         (serial_W*, serial_R*): Remove.
1424         (serial_dispatch): Update to match.
1425         * configure.ac: Move Werror down below configure checks.  Don't
1426         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1427         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1428         Use GCC_AC_FUNC_MMAP_BLACKLIST
1429         * libitm.h: Split out all internal items to...
1430         * libitm_i.h: ... here.  New file.
1431         * copymask.c: New file.
1432         * local.c (struct gtm_local_undo): Move from libitm.h.
1433         (GTM_alloc_local): Rename from alloc_local; export.
1434         * memcpy.c: New file.
1435         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1436         * config/posix/page.c: New file.
1437         * config/posix/target_tls.h: Remove file.
1438         * barrier.c: New file.
1439         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1440         copymask.c, page.c.
1441         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1442         * method-wbetl.c: Rewrite for new cacheline methods.
1443         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1444
1445         * config/alpha/sjlj.S: Fix typo.
1446         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1447         * config/alpha/copymask.c: New file.
1448         * config/alpha/target.h (CACHELINE_SIZE): New.
1449         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1450
1451         * config/x86/target_i.h: Copy functions from x86/target.h.
1452         * config/x86/copymask.c: New file.
1453         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1454         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1455         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1456         * config/x86/target_tls.h: Move contents to target_i.h.
1457
1458         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1459         * testsuite/libitm.c/memcpy-1.c: New.
1460
1461 2009-10-22  Richard Henderson  <rth@redhat.com>
1462
1463         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1464         (AM_CCASFLAGS): New.
1465         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1466         saving/restoring _AC_ARG_VAR_PRECIOUS.
1467         * Makefile.in, aclocal.m4, config.h.in, configure,
1468         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1469
1470 2009-10-22  Richard Henderson  <rth@redhat.com>
1471
1472         * testsuite/*: Update for new compiler syntax.
1473
1474 2009-10-21  Richard Henderson  <rth@redhat.com>
1475
1476         * libitm.h (_ITM_abortReason): Add outerAbort.
1477
1478 2009-08-03  Richard Henderson  <rth@redhat.com>
1479
1480         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1481         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1482         * method-wbetl.c (struct w_entry): Remove mask.
1483         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1484         adjust all callers.
1485
1486 2009-07-22  Richard Henderson  <rth@redhat.com>
1487
1488         * eh_cpp.c: New file.
1489         * Makefile.am (libitm_la_SOURCES): Add it.
1490         * Makefile.in: Rebuild.
1491         * beginend.c (GTM_rollback_transaction): Undo exception state.
1492         (GTM_trycommit_transaction): Mark inline.
1493         (GTM_trycommit_and_finalize_transaction): Split out from ...
1494         (_ITM_commitTransaction): ... here.
1495         (_ITM_commitTransactionEH): New function.
1496         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1497         cxa_unthrown, eh_in_flight; reorder.
1498
1499         * testsuite/libitm.c++/c++.exp: New.
1500         * testsuite/libitm.c++/eh-1.C: New.
1501
1502         * aatree.c (aa_free): Remove REGPARM.
1503         * aatree.h: Remove all REGPARM.
1504
1505 2009-07-18  Richard Henderson  <rth@redhat.com>
1506
1507         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1508         * Makefile.am (libitm_la_SOURCES): Add them.
1509         * Makefile.in: Rebuild.
1510         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1511         (GTM_trycommit_transaction): Likewise.
1512         * libitm.h: Include aatree.h
1513         (struct gtm_alloc_action): New.
1514         (struct gtm_transaction): Add alloc_actions.
1515         (GTM_record_allocation, GTM_forget_allocation): Declare.
1516         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1517         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1518         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1519         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1520         _ZGTtdaPvRKSt9nothrow_t): Export.
1521
1522 2009-07-18  Richard Henderson  <rth@redhat.com>
1523
1524         * target_tls.h: Move ...
1525         * config/posix/target_tls.h: ... here.
1526
1527 2009-07-07  Richard Henderson  <rth@redhat.com>
1528
1529         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1530
1531 2009-07-07  Richard Henderson  <rth@redhat.com>
1532
1533         * Update to GPL3.
1534
1535 2009-07-07  Richard Henderson  <rth@redhat.com>
1536
1537         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1538         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1539
1540         * configure.tgt: Don't use -ftls-model for x86 linux.
1541         * libitm.h: Include target.h after standard includes.
1542         (_gtm_thr): Rename from gtm_thr.
1543         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1544         (gtm_disp, set_gtm_disp): New.
1545         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1546         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1547         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1548
1549 2009-07-07  Richard Henderson  <rth@redhat.com>
1550
1551         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1552
1553 2009-07-06  Richard Henderson  <rth@redhat.com>
1554
1555         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1556         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1557         (_ITM_beginTransaction): Take variadic arguments.
1558         (_ITM_registerThrownObject): Declare.
1559         * beginend.c, serial.c: Update.
1560         * libitm.map: Add _ITM_registerThrownObject.
1561
1562 2009-01-28  Richard Henderson  <rth@redhat.com>
1563
1564         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1565         * Makefile.in: Rebuild.
1566         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1567         (GTM_restart_transaction): Fix uninstrumented code check.
1568         * retry.c (GTM_decide_retry_strategy): Add serial check.
1569         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1570         automatically go irrevokable when in serial mode.
1571         * clone.c: New file.
1572         * libitm.h, libitm.map: Update.
1573
1574 2009-01-27  Richard Henderson  <rth@redhat.com>
1575
1576         * Makefile.am (LTCCASCOMPILE): Define.
1577         (libitm_la_SOURCES): Add methid-wbetl.c.
1578         * testsuite/Makefile.am: New
1579         * configure.ac: Add testsuite/Makefile.
1580         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1581         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1582         (_ITM_abortTransaction): Finalize implementation method; pass
1583         transaction properties to longjmp.
1584         (GTM_restart_transaction): Split out from ...
1585         (_ITM_commitTransaction): ... here.
1586         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1587         Move to config/x86/target.h.
1588         * config/linux/alpha/futex_bits.h: New.
1589         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1590         * config/x86/target.h: Disable target types for 32-bit.
1591         * config/alpha/sjlj.S, config/alpha/target.h: New.
1592         * libitm.h (struct gtm_dispatch): Add init, fini.
1593         (enum restart_reason): New.
1594         (struct gtm_transaction): Add method and restarts.
1595         * retry.c (GTM_decide_retry_strategy): Implement.
1596         * serial.c (serial_init, serial_fini): New.
1597         (GTM_serialmode): Finialize outgoing method.
1598         * method-wbetl.c: New.
1599
1600 2008-12-09  Richard Henderson  <rth@redhat.com>
1601
1602         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1603         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1604         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1605         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1606         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1607         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1608         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1609         * serial.c (serial_R##T, serial_W##T): Likewise.
1610
1611 2008-11-21  Richard Henderson  <rth@redhat.com>
1612
1613         * Initial commit.