libitm/ChangeLog

   1 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
   2
   3         PR target/52482
   4         * config/powerpc/sjlj.S: Port to Xcode 2.5.
   5
   6 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
   7
   8         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
   9         operands "op" and "val" to int.
  10
  11 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  12
  13         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
  14         "op" and "val" to int.
  15
  16 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  17
  18         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
  19         "op" and "val" to int.
  20
  21 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  22
  23         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
  24         Declare as static int.
  25         (FUTEX_PRIVATE_FLAG): Remove L suffix.
  26         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
  27
  28 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  29
  30         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
  31         sys_futex0 function.
  32
  33 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
  34
  35         * Makefile.in: Regenerated with automake-1.11.6.
  36         * aclocal.m4: Likewise.
  37         * configure: Likewise.
  38         * testsuite/Makefile.in: Likewise.
  39
  40 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
  41
  42         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
  43         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
  44
  45 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  46
  47         PR libitm/64360
  48         * libitm.c/stackundo.c (test2): Make it static.
  49         (test1): Likewise.
  50
  51 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  52
  53         Update copyright years.
  54
  55 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  56
  57         * libitm.texi: Bump @copying's copyright year.
  58
  59 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  60
  61         * testsuite/lib/libitm.exp: Load target-utils.exp.
  62         Move load of target-supports.exp earlier.
  63
  64 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  65
  66         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  67
  68 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  69
  70         PR bootstrap/63784
  71         * configure: Regenerated.
  72
  73 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  74
  75         PR target/63610
  76         * configure: Regenerate.
  77
  78 2014-10-06  Marek Polacek  <polacek@redhat.com>
  79
  80         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  81         * testsuite/libitm.c/memset-1.c: Likewise.
  82
  83 2014-07-24  Richard Henderson  <rth@redhat.com>
  84
  85         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  86         addressing mode in epilogue.
  87
  88 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  89
  90         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  91         -mclear-hwcap instead.
  92         * configure: Regenerate.
  93         * clearcap.map: Remove.
  94
  95 2014-05-21  John Marino  <gnugcc@marino.st>
  96
  97         * configure.tgt (*-*-dragonfly*): New target.
  98
  99 2014-05-19  Richard Henderson  <rth@redhat.com>
 100
 101         * config/aarch64/sjlj.S: New file.
 102         * config/aarch64/target.h: New file.
 103         * configure.tgt: Enable aarch64.
 104
 105 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 106
 107         * config/generic/asmcfi.h: Also check for
 108         __GCC_HAVE_DWARF2_CFI_ASM.
 109
 110 2013-04-02  Richard Henderson  <rth@redhat.com>
 111
 112         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 113         * config/arm/target.h, config/sh/target.h: Likewise.
 114         * config/sparc/target.h, config/x86/target.h: Likewise.
 115
 116 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 117
 118         * config/linux/futex_bits.h: Include errno.h.
 119         (sys_futex0): If syscall returns -1, return -errno rather than
 120         -1.
 121
 122 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 123
 124         * libitm.texi (Index): Rename to Library Index.
 125
 126 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 127
 128         PR libitm/53113
 129         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 130         (x86_avx.lo): Append -mavx to CXXFLAGS.
 131         * Makefile.in: Regenerate.
 132
 133 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 134
 135         Update copyright years
 136
 137 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 138
 139         * libitm.texi: Bump @copying's copyright year.
 140
 141 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 142
 143         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 144         (FUNC): Define ELFv2 variant.
 145         (END): Likewise.
 146         (HIDDEN): Likewise.
 147         (CALL): Likewise.
 148         (BASE): Likewise.
 149         (LR_SAVE): Likewise.
 150
 151 2013-09-20  Alan Modra  <amodra@gmail.com>
 152
 153         * configure: Regenerate.
 154
 155 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 156
 157         * config/posix/rwlock.cc: Fix initialization order.
 158
 159 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 160
 161         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 162         (htm_fastpath): Assign an asm name.
 163         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 164         HTM fast paths.
 165         (_ITM_actions): Likewise.
 166         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 167         x86_64.
 168         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 169         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 170         field to the start of the structure.
 171         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 172         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 173         handling for custom HTM fast paths.
 174
 175 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 176         Revert:
 177         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 178
 179         * configure.tgt: Add -msoft-float to XCFLAGS.
 180
 181 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 182
 183         * configure.tgt: Add -msoft-float to XCFLAGS.
 184
 185 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 186
 187         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 188         (htm_transaction_active): Enable zEC12 instructions in the
 189         assembler.
 190         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 191
 192 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 193
 194         * acinclude.m4: Add htm asm check for s390.
 195         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 196         * configure: Regenerate.
 197         * config/s390/target.h: Remove __HTM__ check.
 198         (htm_available): Call getauxval to get hwcaps and check whether
 199         HTM is available or not.
 200
 201 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 202
 203         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 204         * configure.ac: Use it.
 205         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 206         (AC_CHECK_FUNCS): Check for getauxval.
 207         * config.h.in, configure: Rebuild.
 208         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 209         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 210         (USE_HTM_FASTPATH): Define.
 211         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 212         _HTM_RETRIES) New macros.
 213         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 214         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 215
 216 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 217
 218         * config/s390/target.h: Include htmintrin.h.
 219         (_HTM_ITM_RETRIES): New macro definition.
 220         (htm_available, htm_init, htm_begin, htm_begin_success)
 221         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 222
 223 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 224             Cesar Philippidis  <cesar@codesourcery.com>
 225
 226         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 227         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 228         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 229         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 230
 231 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 232
 233         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 234         (_ITM_getTransactionId): Same.
 235         * config/x86/target.h (htm_transaction_active): New.
 236
 237 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 238
 239         PR libitm/57643
 240         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 241         the HTM fastpath.
 242
 243 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 244
 245         PR bootstrap/56714
 246         * local_atomic (__always_inline): Always define our version.
 247         (__calculate_memory_order): Mark inline.
 248         (atomic_thread_fence): Ditto.
 249         (atomic_signal_fence): Ditto.
 250         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 251         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 252         (atomic_bool::atomic_flag_test_and_set): Ditto.
 253         (atomic_bool::atomic_flag_clear): Ditto.
 254
 255 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 256
 257         * config/s390/sjlj.S: New file.
 258         * config/s390/target.h: New file.
 259         * configure.tgt: Set options for S/390.
 260
 261 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 262
 263         * local_atomic (__always_inline): Add.
 264         (__calculate_memory_order, atomic_thread_fence,
 265          atomic_signal_fence, test_and_set, clear, store, load,
 266          exchange, compare_exchange_weak, compare_exchange_strong,
 267          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 268         Add __always_inline to force inlining.
 269
 270 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 271             Jack Howarth  <howarth@bromo.med.uc.edu>
 272             Patrick Marlier  <patrick.marlier@gmail.com>
 273
 274         PR libitm/55693
 275         * alloc_cpp.cc: Enable function declarations on darwin.
 276         * eh_cpp.cc: Likewise.
 277
 278 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 279
 280         Update copyright years.
 281
 282 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 283
 284         * beginend.cc (htm_fastpath): New.
 285         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 286         _ITM_commitTransactionEH): Add HTM fastpath handling.
 287         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 288         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 289         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 290         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 291         * configure.tgt: Add -mrtm to XCFLAGS.
 292         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 293         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 294         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 295         * retry.cc (parse_default_method): Add HTM method parsing.
 296         (gtm_thread::number_of_threads_changed): Use HTM by default if
 297         available.
 298
 299 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 300
 301         * configure: Regenerate.
 302
 303 2012-10-31  Richard Henderson  <rth@redhat.com>
 304
 305         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 306         * configure.ac: Use it.
 307         * config.h.in, configure: Rebuild.
 308         * testsuite/Makefile.in: Rebuild.
 309
 310 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 311
 312         * libitm.texi: Clarify ABI requirements for data-logging functions.
 313
 314 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 315
 316         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 317         it requires serial mode instead of assuming that for certain
 318         dispatchs.
 319         * dispatch.h (abi_dispatch::requires_serial): New.
 320         (abi_dispatch::abi_dispatch): Adapt.
 321         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 322         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 323         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 324         serial_dispatch::serial_dispatch,
 325         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 326
 327 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 328
 329         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 330         and ia32 declarations some more.
 331         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 332
 333 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR other/43620
 336         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 337         * configure: Regenerate.
 338         * Makefile.in: Regenerate.
 339
 340 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 341
 342         * configure: Regenerated.
 343
 344 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 345
 346         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 347
 348 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 349
 350         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 351
 352 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 353
 354         * configure: Regenerated.
 355
 356 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 357
 358         PR libitm/52854
 359         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 360         for x86-64.
 361
 362 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 363
 364         * configure: Regenerate.
 365
 366 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 367
 368         PR bootstrap/52812
 369         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 370
 371 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 372
 373         * testsuite/lib/libitm.exp: load fortran-modules.exp
 374
 375 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 376
 377         * configure.tgt (*-*-irix6*): Remove.
 378
 379 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 380
 381         PR libitm/52526
 382         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 383         wake-up.
 384
 385 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 386
 387         * configure.tgt (*-*-osf*): Remove.
 388         * configure: Regenerate.
 389
 390 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 391
 392         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 393         memtransfer/memset if size isn't larger than zero.
 394
 395 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 396
 397         * libitm.texi: Link to specification and add a usage example.
 398
 399 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 400
 401         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 402         default dispatch for more than 1 thread to ml_wt.
 403
 404 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 405
 406         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 407
 408 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 409
 410         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 411
 412 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 413
 414         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 415         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 416         (gl_wt_dispatch.rollback): Same.
 417
 418 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 419
 420         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 421
 422 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 423
 424         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 425         for RfW src.  Optimize number of calls to gtm_thr.
 426
 427 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 428
 429         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 430         acquisition to ...
 431         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 432         (default_dispatch): Make atomic.
 433         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 434         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 435         use decide_begin_dispatch() if default_dispatch might have changed.
 436         (GTM::gtm_thread::number_of_threads_changed): Initialize
 437         default_dispatch here.
 438
 439 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 440             Patrick Marlier  <patrick.marlier@gmail.com>
 441
 442         PR libitm/52220
 443         * alloc_cpp.cc: No dummy definitions for darwin.
 444         * eh_cpp.cc: Likewise.
 445
 446 2012-02-14  Richard Henderson  <rth@redhat.com>
 447
 448         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 449
 450 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 451
 452         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 453
 454 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 455
 456         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 457         (GTM::gtm_thread): Add read and write logs.
 458         (GTM::dispatch_ml_wt): Declare.
 459         * retry.cc (parse_default_method): Support ml_wt.
 460         * method-ml.cc: New file.
 461         * Makefile.am: Add method-ml.cc.
 462         * Makefile.in: Regenerate.
 463
 464 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 465
 466         * dispatch.h (GTM::abi_dispatch::supports): New.
 467         (GTM::method_group::reinit): New.
 468         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 469         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 470         supports the current situation.
 471
 472 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 473
 474         * util.cc (GTM::xcalloc): New.
 475         * common.h (GTM::xcalloc): Declare.
 476
 477 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 478
 479         * config/sparc/target.h (cpu_relax): Read from CC register.
 480         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 481
 482 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 483
 484         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 485
 486 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 487
 488         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 489         * config/sparc/cacheline.h: New file.
 490         * config/sparc/target.h: Likewise.
 491         * config/sparc/sjlj.S: Likewise.
 492         * config/linux/sparc/futex_bits.h: Likewise.
 493
 494 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 495
 496         * configure.ac (link_itm): Fix comment.
 497         * configure: Regenerate.
 498         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 499
 500 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 501
 502         PR libitm/51822
 503         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 504         Correct libgomp references.
 505
 506 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 507
 508         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 509         wake-up.
 510
 511 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 512
 513         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 514         end of structure.
 515         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 516         offset values.  Do not copy return address.  Decrement stack
 517         by 56 bytes only.
 518         (GTM_longjump) [__x86_64__]: Update offset values.
 519
 520 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 521
 522         PR libitm/51830
 523         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 524         the first function argument to %eax.
 525
 526 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 527
 528         * libitm.h (_ITM_getThreadnum): Remove.
 529         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 530
 531 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 532
 533         * clearcap.map: New file.
 534         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 535         * configure.ac: Call it.
 536         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 537         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 538         * configure: Regenerate.
 539         * Makefile.in: Regenerate.
 540         * testsuite/Makefile.in: Regenerate.
 541
 542 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 543
 544         PR libitm/51173
 545         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 546         include, exclude options.
 547
 548 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 549
 550         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 551         rolling back.
 552         * containers.h (GTM::vector::set_size): New.
 553
 554 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 555
 556         PR libitm/51855
 557         * config/generic/tls.h (GTM::mask_stack_top): New.
 558         (GTM::mask_stack_bottom): Declare.
 559         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 560         * local.cc (gtm_undolog::rollback): Filter out any updates that
 561         overlap the libitm stack.  Add current transaction as parameter.
 562         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 563         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 564         * testsuite/libitm.c/stackundo.c: New test.
 565
 566 2012-01-10  Richard Henderson  <rth@redhat.com>
 567
 568         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 569         * eh_cpp.cc (_Unwind_DeleteException): Define for
 570         !HAVE_ELF_STYLE_WEAKREF.
 571
 572 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 573
 574         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 575         (GTM::gtm_thread::drop_references_undolog): Remove.
 576         (GTM::gtm_thread::commit_undolog,
 577         GTM::gtm_thread::rollback_undolog): Move to ...
 578         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 579         (GTM::gtm_undolog_entry): Remove.
 580         (GTM::gtm_thread): Adapt.
 581         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 582         (GTM::gtm_thread::trycommit): Adapt.
 583         * method-serial.cc (serial_dispatch::log): Adapt.
 584         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 585         (gl_wt_dispatch::store): Fix likely/unlikely.
 586         * containers.h (GTM::vector::resize): Add additional_capacity
 587         parameter and handle it.
 588         (GTM::vector::resize_noinline): New/adapt.
 589         (GTM::vector::push): New.
 590
 591 2012-01-06  Richard Henderson  <rth@redhat.com>
 592
 593         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 594         * config/linux/powerpc/futex_bits.h: New file.
 595         * config/powerpc/cacheline.h: New file.
 596         * config/powerpc/sjlj.S: New file.
 597         * config/powerpc/target.h: New file.
 598         * config/generic/asmcfi.h (cfi_offset): New.
 599         (cfi_restore, cfi_undefined): New.
 600
 601 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 602
 603         PR other/51171
 604         * testsuite/libitm.c/reentrant.c: Remove xfail.
 605         (thread): Pass x to pure().
 606         From Patrik Marlier <patrick.marlier@gmail.com>.
 607
 608 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 609
 610         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 611         privatization safety if already in serial mode.
 612
 613 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 614
 615         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 616         finish_serial_upgrade parameter.
 617         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 618         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 619         Don't unset reader flag.
 620         (GTM::gtm_rwlock::write_upgrade_finish): New.
 621         * config/posix/rwlock.cc: Same.
 622         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 623         Declare.
 624         * config/posix/rwlock.h: Same.
 625         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 626         flag after commit or after rollback when restarting.
 627
 628 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 629
 630         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 631         (GTM::gtm_thread::try_commit): Changed memory order.
 632         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 633         as parameter.
 634         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 635         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 636         * config/linux/futex_bits.h (sys_futex0): Same.
 637         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 638         * config/linux/futex.h (futex_wait, futex_wake): Same.
 639         * config/linux/rwlock.h (gtm_rwlock::writers,
 640         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 641         ints.
 642         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 643         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 644         gtm_rwlock::write_unlock): Fix memory orders and fences.
 645         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 646         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 647         gtm_rwlock::write_unlock): Same.
 648         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 649         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 650         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 651         Add comments.
 652         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 653         gl_wt_dispatch::load, gl_wt_dispatch::store,
 654         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 655         orders and fences.  Add comments.
 656
 657 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 658
 659         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 660         * Makefile.in: Regenerated.
 661
 662 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 663
 664         * configure.tgt: Add sh* case.
 665         * config/sh/target.h: New file.
 666         * config/sh/sjlj.S: New file.
 667         * config/linux/sh/futex_bits.h: New file.
 668
 669 2011-12-14  Richard Henderson  <rth@redhat.com>
 670
 671         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 672         * config/arm/sjlj.S, config/arm/target.h: New files.
 673         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 674         (cfi_rel_offset): New.
 675         * config/linux/futex_bits.h: New file.
 676         * config/linux/futex.cc: Include futex_bits.h here...
 677         * config/linux/futex.h: ... not here.
 678         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 679         * configure.ac (ARCH_AM): New conditional.
 680         * Makefile.in, configure: Rebuild.
 681         * configure.tgt: Handle ARM.
 682
 683 2011-12-13  Richard Henderson  <rth@redhat.com>
 684
 685         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 686         signed/unsigned comparison werror.
 687
 688         * local_atomic: New file.
 689         * libitm_i.h: Include it.
 690         (gtm_thread::shared_state): Use atomic template.
 691         * beginend.cc (GTM::gtm_clock): Use atomic template.
 692         (global_tid): Use atomic template if 64-bit atomics available.
 693         (gtm_thread::gtm_thread): Update shared_state access.
 694         (gtm_thread::trycommit): Likewise.
 695         (choose_code_path): Update global_tid access.
 696         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 697         * stmlock.h (GTM::gtm_clock): Use atomic template.
 698         (gtm_get_clock, gtm_inc_clock): Update accesses.
 699         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 700         redundant __sync_synchronize after atomic shared_state access.
 701         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 702         (gtm_rwlock::write_lock_generic): Likewise.
 703         (gtm_rwlock::read_unlock): Likewise.
 704         * config/alpha/target.h (atomic_read_barrier): Remove.
 705         (atomic_write_barrier): Remove.
 706         * config/x86/target.h (atomic_read_barrier): Remove.
 707         (atomic_write_barrier): Remove.
 708
 709 2011-11-30  Richard Henderson  <rth@redhat.com>
 710
 711         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 712         * beginend.c (_ITM_abortTransaction): Update to match.
 713         (GTM::gtm_thread::restart): Likewise.
 714         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 715         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 716
 717 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 718
 719         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 720         * Makefile.in: Regenerate.
 721
 722 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 723
 724         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 725         * alloc_cpp.cc: Generate dummy functions if we don't
 726         HAVE_ELF_STYLE_WEAKREF.
 727         * eh_cpp.cc: Likewise.
 728         * configure: Regenerate.
 729         * aclocal.m4:  Likewise.
 730         * config.h.in: Likewise.
 731         * Makefile.in: Likewise.
 732         * testsuite/Makefile.in: Likewise.
 733
 734 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 735
 736         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 737         __USER_LABEL_PREFIX__ for targets that use it.
 738         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 739         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 740         in portability to non-elf targets.
 741         (GTM_longjmp): Likewise.
 742         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 743         where required.
 744
 745 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 746
 747         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 748         * testsuite/libitm.c/memset-1.c: Likewise.
 749
 750 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 751
 752         * configure: Regenerate.
 753
 754 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 755
 756         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 757         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 758         * Makefile.am: Handle sun style versioning.
 759         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 760         * configure: Regenerate.
 761         * Makefile.in: Regenerate.
 762
 763 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 764
 765         * config/generic/asmcfi.h: Fix comment.
 766         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 767         sequence without .hidden support, error for non-ELF targets.
 768         (GTM_longjmp) [__ELF__]: Only use .hidden if
 769         HAVE_ATTRIBUTE_VISIBILITY.
 770
 771 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 772
 773         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 774         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 775         Dummy functions.
 776         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 777         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 778
 779 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 780
 781         PR bootstrap/51098
 782         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 783         * configure: Regenerate.
 784
 785 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 786
 787         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 788
 789 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 790
 791         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 792         .hidden.
 793         (.note.GNU-stack): Only use if __linux__.
 794         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 795         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 796         * testsuite/libitm.c/reentrant.c: Likewise.
 797         * testsuite/libitm.c/simple-2.c: Likewise.
 798         * testsuite/libitm.c/txrelease.c: Likewise.
 799         * testsuite/libitm.c++/static_ctor.C: Likewise.
 800
 801 2011-11-10  Richard Henderson  <rth@redhat.com>
 802
 803         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 804         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 805         * configure.ac (ARCH_X86_AVX): New conditional.
 806         * Makefile.in, configure: Rebuild.
 807
 808 2011-11-09  Richard Henderson  <rth@redhat.com>
 809
 810         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 811         * configure.ac: Use it.
 812         * config.h.in, configure: Rebuild.
 813         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 814
 815 2011-11-09  Richard Henderson  <rth@redhat.com>
 816
 817         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 818         * config/alpha/unaligned.h: Remove file.
 819         * config/generic/unaligned.h: Remove file.
 820         * config/x86/unaligned.h: Remove file.
 821         * config/generic/cachepage.h: Remove file.
 822         * config/posix/cachepage.cc: Remove file.
 823         * config/generic/cacheline.cc: Remove file.
 824         * config/x86/cacheline.cc: Remove file.
 825         * config/generic/cacheline.h (gtm_cacheline): Remove the
 826         store_mask, copy_mask, copy_mask_wb methods.
 827         * config/x86/cacheline.h: Likewise.
 828         * config/alpha/cacheline.h: Fall back to generic after setting size.
 829         * config/generic/tls.cc (gtm_mask_stack): Remove.
 830         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 831         (GTM_vpalignr_table): Remove.
 832         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 833         (GTM_pshift_table): Remove.
 834         * config/libitm_i.h: Don't include cachepage.h.
 835         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 836         * Makefile.in, testsuite/Makefile.in: Rebuild.
 837
 838 2011-11-09  Richard Henderson  <rth@redhat.com>
 839
 840         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 841         to emit branch prediction hint.
 842
 843         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 844         Protect .note.GNU-stack with __linux__.
 845
 846         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 847         * configure, aclocal.m4, config.h.in: Rebuild.
 848         * config/generic/asmcfi.h: New file.
 849         * config/x86/sjlj.S: Use it.
 850
 851 2011-11-08  Richard Henderson  <rth@redhat.com>
 852
 853         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 854
 855 2011-11-08  Richard Henderson  <rth@redhat.com>
 856
 857         * configure.tgt: Test correct directory for supported cpus.
 858
 859         * configure.ac: Exit if unsupported.
 860         * configure: Rebuild.
 861         * configure.tgt: Delete boilerplate from libgomp for unsupported
 862         targets.  Set UNSUPPORTED for unsupported targets.
 863
 864 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 865
 866         * configure.tgt: Handle i386 like i[456]86.
 867         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 868         take address.
 869         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 870         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 871
 872 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 873
 874         * method-wbetl.cc: Update copyright notice.
 875         * aatree.cc: Same.
 876         * util.cc: Same.
 877         * libitm.h: Same.
 878         * memset.cc: Same.
 879         * eh_cpp.cc: Same.
 880         * barrier.tpl: Same.
 881         * useraction.cc: Same.
 882         * stmlock.h: Same.
 883         * memcpy.cc: Same.
 884         * common.h: Same.
 885         * config/generic/tls.cc: Same.
 886         * config/generic/cacheline.h: Same.
 887         * config/generic/cachepage.h: Same.
 888         * config/generic/cacheline.cc: Same.
 889         * config/generic/unaligned.h: Same.
 890         * config/x86/cacheline.h: Same.
 891         * config/x86/cacheline.cc: Same.
 892         * config/x86/unaligned.h: Same.
 893         * config/alpha/cacheline.h: Same.
 894         * config/alpha/unaligned.h: Same.
 895         * config/alpha/sjlj.S: Same.
 896         * config/posix/cachepage.cc: Same.
 897         * config/linux/futex.h: Same.
 898         * config/linux/alpha/futex_bits.h: Same.
 899
 900 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 901
 902         * libitm.texi: No cover text and invariant sections.
 903
 904 2011-11-03  Richard Henderson  <rth@redhat.com>
 905
 906         * local_type_traits: New file.
 907         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 908
 909 2011-11-03  Richard Henderson  <rth@redhat.com>
 910
 911         * configure.ac: Don't test for gfortran.
 912         * configure: Rebuild.
 913
 914         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 915         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 916
 917 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 918
 919         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 920         * testsuite/libitm.c/memset-1.c: Same.
 921         * testsuite/libitm.c/c.exp: Same.
 922         * testsuite/lib/libitm-dg.exp: Same.
 923         * testsuite/lib/libitm.exp: Same.
 924         * testsuite/libitm.c++/c++.exp: Same.
 925
 926 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 927
 928         * testsuite/config/default.exp: Update copyright date.
 929         * configure.ac: Add copyright info.
 930         * configure.tgt: Same.
 931
 932 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 933
 934         * testsuite/libitm.c/reentrant.c: XFAIL.
 935         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 936
 937 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 938
 939         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 940         handle aborts.
 941         (_ITM_abortTransaction): Handle aborts of outer transactions.
 942         * libitm_i.h: Same.
 943         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 944         * libitm.texi: Document aborts of outer transactions.
 945         * testsuite/libitm.c/cancel.c: New file.
 946
 947 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 948
 949         * testsuite/*: Change __transaction to __transaction_atomic or
 950         __transaction_relaxed.
 951
 952 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 953
 954         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 955         (gtm_thr): Same.
 956
 957 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 958
 959         * libitm_i.h: Add gl_wt dispatch.
 960         * retry.cc (parse_default_method): Same.
 961         * method-gl.cc: New file.
 962         * Makefile.am: Use method-gl.cc.
 963         * Makefile.in: Rebuild.
 964
 965 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 966
 967         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 968         safety if requested by a TM method.
 969         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 970         privatization safety.
 971         * method-serial.cc: Same.
 972
 973 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 974
 975         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 976         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 977         undolog-related member functions from *_local to *_undolog.
 978         * local.cc (gtm_thread::commit_undolog): Same.
 979         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 980         (GTM::gtm_thread::rollback): Roll back undolog before
 981         dispatch-specific rollback.
 982
 983 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 984
 985         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 986         re-initialization of the current method group.
 987         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 988
 989 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 990
 991         * alloc.cc (commit_allocations_2): Do not free transaction-local
 992         memory when committing a nested transaction.
 993
 994 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 995
 996         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 997         serial-irrevocable dispatch, not serial.
 998
 999 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1000
1001         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1002         declarations.
1003         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1004         * method-serial.cc: Implement begin_or_restart().
1005         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1006         dispatch-specific begin_or_restart().
1007         (GTM::gtm_thread::restart): Same.
1008
1009 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1010
1011         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1012         restarting without switching to serial mode.
1013         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1014         transaction state. Choose closed-nesting alternative if available.
1015         (GTM::gtm_thread::set_default_dispatch): New.
1016         (parse_default_method): New.
1017         (GTM::gtm_thread::number_of_threads_changed): New.
1018         * method-serial.cc (GTM::serial_mg): New method group class.
1019         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1020         fini.
1021         (GTM::serial_dispatch): Same.
1022         (GTM::serialirr_onwrite_dispatch): Same.
1023         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1024         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1025         registered threads.
1026         (GTM::gtm_thread::gtm_thread): Same.
1027         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1028         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1029         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1030         choose dispatch but set state according to dispatch here.
1031         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1032         (GTM::method_group): New class.
1033         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1034         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1035         * libitm.texi: Document TM methods, method groups, method life cycle.
1036         Rename method sets to method groups.
1037
1038 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1039
1040         * config/x86/tls.h: Moved to ...
1041         * config/linux/x86/tls.h: ... here.
1042
1043 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1044
1045         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1046         Add X32 support.
1047         * config/x86/sjlj.S: Same.
1048
1049 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1050
1051         * config/linux/rwlock.h: New file.
1052         * config/linux/rwlock.c: New file.
1053         * configure.ac: Reenable futex support (undo SVN rev 157758).
1054         * Makefile.am: Same.
1055         * configure.tgt: Same.
1056         * config/linux/alpha/futex_bits.h: Same.
1057         * config/linux/futex.h: Same. Return number of woken processes.
1058         * config/linux/futex.cc: Same.
1059         (futex_wait): Remove spinning.
1060         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1061         Use __x86_64__ instead of __LP64__.
1062         * aclocal.m4: Include generic futex checks.
1063         * configure: Rebuild.
1064         * Makefile.in: Rebuild.
1065         * testsuite/Makefile.in: Rebuild.
1066         * beginend.cc: Include pthread.h.
1067         * config/posix/cachepage.cc: Same.
1068
1069 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1070
1071         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1072         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1073         (set_gtm_thr): New.
1074         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1075         (set_gtm_thr): New.
1076         (GTM::gtm_thread::thread_num): Removed.
1077         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1078         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1079         tx-to-thread renaming.
1080         * beginend.cc: Adapted to tx-to-thread renaming.
1081         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1082         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1083         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1084         gtm_transaction to gtm_thread.
1085         (_ITM_getThreadnum): Removed. Not supported anymore.
1086         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1087         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1088         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1089         gtm_tx-to-gtm_thr renaming if necessary.
1090         * eh_cpp.cc: Same.
1091         * local.cc: Same.
1092         * retry.cc: Same.
1093         * clone.cc: Same.
1094         * alloc.cc: Same.
1095         * alloc_c.cc: Same.
1096         * alloc_cpp.cc: Same.
1097         * method-serial.cc: Same.
1098         * config/generic/tls.cc: Same.
1099         * config/posix/rwlock.h (gtm_rwlock): Same.
1100         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1101
1102 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1103
1104         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1105         implementation.
1106         (gtm_rwlock::read_unlock): Same.
1107         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1108         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1109         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1110         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1111         w_upgrade. Replaced by per-transaction flags (in shared_state).
1112         Added c_confirmed_writers.
1113         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1114         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1115         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1116         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1117         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1118         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1119         * libitm.texi: Document locking conventions and implementations in
1120         libitm.
1121
1122 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1123
1124         * libitm_i.h (next_tx): Add list of all threads' transaction.
1125         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1126         transaction with list of transactions and ...
1127         (thread_exit_handler): ... deregister here.
1128         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1129         * config/x86/target.h: Same.
1130
1131 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1132
1133         * testsuite/libitm.c++/static_ctor.C: New file.
1134
1135 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1136
1137         * testsuite/libitm.c/reentrant.c: New file.
1138
1139 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1140
1141         * config/generic/tls.h: Remove the free list for transactions and ...
1142         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1143         (GTM::gtm_transaction::operator delete): ... and release here.
1144         (thread_exit_handler): New. Delete tx when thread terminates.
1145         (thread_exit_init): New.
1146         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1147         * testsuite/libitm.c/txrelease.c: New file.
1148
1149 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1150
1151         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1152         * testsuite/libitm.c/notx.c: New file.
1153
1154 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1155
1156         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1157         * libitm_i.h (local_tid): ... to here.
1158         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1159         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1160
1161 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1162
1163         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1164         serialirr_onwrite_dispatch as new default for now.
1165         * method-serial.cc (serialirr_onwrite_dispatch): New.
1166         (GTM::dispatch_serialirr_onwrite): New.
1167         * libitm_i.h: Same.
1168
1169 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1170
1171         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1172         * query.cc (_ITM_getTransactionId): There is no active transaction if
1173         the current nesting level is zero.
1174
1175 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1176
1177         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1178         rollback.
1179
1180 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1181
1182         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1183         transaction properties from the caller instead of from the
1184         transaction object.
1185         * libitm_i.h: Same.
1186         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1187
1188 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1189
1190         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1191         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1192         * dispatch.h: Same.
1193         * method-serial.cc: Same.
1194         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1195         flat nesting as default, and closed nesting on demand.
1196         (GTM::gtm_transaction::rollback): Same.
1197         (_ITM_abortTransaction): Same.
1198         (GTM::gtm_transaction::restart): Same.
1199         (GTM::gtm_transaction::trycommit): Same.
1200         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1201         (choose_code_path): New.
1202         (GTM::gtm_transaction_cp::save): New.
1203         (GTM::gtm_transaction_cp::commit): New.
1204         * query.cc (_ITM_inTransaction): Support flat nesting.
1205         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1206         (GTM::gtm_transaction): Support flat and closed nesting.
1207         * alloc.cc (commit_allocations_2): New.
1208         (commit_cb_data): New helper struct.
1209         (GTM::gtm_transaction::commit_allocations): Handle nested
1210         commits/rollbacks.
1211         * libitm.texi: Update user action section, add description of nesting.
1212
1213 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1214
1215         * libitm_i.h: Add closed nesting as restart reason.
1216         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1217
1218 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1219
1220         * useraction.cc: Use vector instead of list to store actions.
1221         Also support partial rollbacks for closed nesting.
1222         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1223         * beginend.cc: Same.
1224
1225 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1226
1227         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1228         closed_nesting flags, as well as a closed nesting alternative.
1229         * method-serial.cc: Same.
1230         (serial_dispatch): Renamed to serialirr_dispatch.
1231         (GTM::dispatch_serialirr): Same.
1232         (serial_dispatch_ul): Renamed to serial_dispatch.
1233         (GTM::dispatch_serial): Same.
1234
1235 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1236
1237         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1238
1239 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1240
1241         * aatree.h (aa_tree::remove): New.
1242         (aa_tree::operator new): Add placement new.
1243
1244 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1245
1246         * containers.h: New file.
1247         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1248         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1249         * common.h: ... to here.
1250         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1251         * local.cc: Same.
1252
1253 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1254
1255         * libitm_i.h (STATE_ABORTING): Remove.
1256         * beginend.cc (_ITM_abortTransaction): Same.
1257         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1258         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1259         (_ITM_rollbackTransaction): Remove.
1260         * beginend.cc: Same.
1261         * libitm.map: Same.
1262         * libitm.texi: Document these ABI changes.
1263
1264 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1265
1266         * libitm.texi: New file.
1267         * Makefile.am: Add libitm.texi.
1268         * Makefile.in: Rebuild.
1269
1270 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1271
1272         * libitm_i.h: Move parts to common.h and dispatch.h.
1273         * common.h: New file.
1274         * dispatch.h: New file, new dispatch class.
1275         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1276         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1277         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1278         decision to retry.cc.
1279         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1280         only.
1281         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1282         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1283         logging.
1284         * barrier.cc: Use new barriers definitions.
1285         (abi_dispatch::memmove_overlap_check): New.
1286         * config/x86/x86_sse.cc: Same.
1287         * config/x86/x86_avx.cc: Same.
1288         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1289         memcpy.cc.
1290         * Makefile.in: Rebuild.
1291         * method-readonly.cc: Remove.
1292         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1293         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1294
1295 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1296
1297         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1298         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1299         * testsuite/libitm.c/dropref-2.c: Same.
1300         * testsuite/libitm.c/dropref.c: Same.
1301
1302 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1303
1304         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1305         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1306         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1307         * alloc_c.cc: Same.
1308         * barrier.tpl: Same.
1309         * beginend.c: Same.
1310         * config/generic/tls.h: Same.
1311         * config/x86/tls.h: Same.
1312         * libitm_i.h: Same.
1313         * memcpy.cc: Same.
1314         * memset.cc: Same.
1315         * method-readonly.cc: Same.
1316         * method-serial.cc: Same.
1317         * method-wbetl.cc: Same.
1318         * retry.cc: Same.
1319
1320 2011-03-03  Richard Henderson  <rth@redhat.com>
1321
1322         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1323         From Patrik Marlier <patrick.marlier@unine.ch>.
1324
1325 2011-02-03  Richard Henderson  <rth@redhat.com>
1326
1327         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1328         * configure.ac: Use it.
1329         * configure, config.h.in: Rebuild.
1330         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1331         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1332         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1333         * libitm.map: Use wildcards to match size_t mangling.
1334
1335 2010-12-14  Richard Henderson  <rth@redhat.com>
1336
1337         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1338         blocks of TIDs per thread.
1339         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1340         (setup_gtm_thr): Return the thread structure.
1341         * config/x86/tls.h (setup_gtm_thr): Likewise.
1342
1343 2010-12-14  Richard Henderson  <rth@redhat.com>
1344
1345         * clone.cc (table_lock): Remove.
1346         (find_clone): Don't take it.
1347         (ExcludeTransaction): New helper class.
1348         (_ITM_registerTMCloneTable): Use it.
1349         (_ITM_deregisterTMCloneTable): Likewise.
1350
1351 2010-12-14  Richard Henderson  <rth@redhat.com>
1352
1353         * config/x86/tls.h: New file.
1354
1355 2010-07-15  Richard Henderson  <rth@redhat.com>
1356
1357         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1358         * Makefile.in: Rebuild.
1359
1360 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         * method-wbetl.cc (trydropreference): Fix source line.
1363
1364 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1365
1366         * libitm.h: Add comment.
1367         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1368
1369 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1370
1371         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1372         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1373         available, use pthread mutexes.
1374         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1375         * config.h.in: Regenerate.
1376         * configure: Regenerate.
1377
1378 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1379
1380         * libitm.h (ITM_PURE): Define.
1381         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1382
1383 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1384
1385         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1386         (validate): Add comment.
1387         (trydropreference): New.
1388         * method-readonly.cc (class readonly_dispatch): Add
1389         trydropreference.
1390         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1391         Call trydropreference().
1392         * libitm.h (_ITM_dropReferences): Remove const attribute.
1393         * method-serial.cc (class serial_dispatch): Add trydropreference.
1394         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1395
1396 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1397
1398         * memcpy.cc (do_memcpy): Comment.
1399
1400 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1401
1402         * barrier.tpl: Add comments throughout.
1403
1404 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1405
1406         * method-wbetl.cc (struct w_entry): Add comments.
1407         (trycommit): Same.
1408         (rollback): Same.
1409
1410 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1411
1412         * alloc_c.cc (_ITM_dropReferences): New.
1413         * libitm.map (_ITM_dropReferences): Add.
1414         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1415         * libitm_i.h (struct gtm_transaction): Declare
1416         drop_references_allocations and drop_references_local.
1417         * local.cc (rollback_local): Ignore memory when applicable.
1418         (drop_references_local): New.
1419
1420 2010-06-23  Richard Henderson  <rth@redhat.com>
1421
1422         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1423         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1424         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1425         * config/alpha/target.h: Likewise.
1426         * config/generic/tls.cc (gtm_mask_stack): Use it.
1427
1428 2010-06-23  Richard Henderson  <rth@redhat.com>
1429
1430         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1431         a mutex instead of trying a lock-free compare-and-swap on the list.
1432         (gtm_cacheline_page::operator delete): Likewise.
1433
1434 2010-06-16  Richard Henderson  <rth@redhat.com>
1435
1436         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1437         that overlap the libitm stack.
1438         * barrier.tpl: Mark incoming stack.
1439         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1440         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1441         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1442         * memcpy.cc, memset.cc: Likewise.
1443         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1444         * config/generic/tls.h (gtm_thread): Add stack_top member.
1445         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1446         * libitm_i.h (gtm_mask_stack): Declare.
1447         * config/generic/tls.cc: New file.
1448         * Makefile.am (libitm_la_SOURCES): Add it.
1449         (AM_CXXFLAGS): Turn off exceptions.
1450         * Makefile.in: Rebuild.
1451
1452 2010-06-16  Richard Henderson  <rth@redhat.com>
1453
1454         * alloc.cc (struct gtm_alloc_action): Move definition ...
1455         * libitm_i.h: ... here.
1456         (class gtm_transaction): Declare new and delete.
1457         * beginend.cc (alloc_tx): Reformulate as operator new.
1458         (free_tx): Reformulate as operator delete.
1459         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1460
1461 2010-06-11  Richard Henderson  <rth@redhat.com>
1462
1463         * clone.cc (clone_entry_compare): Fix typo.
1464         From Patrik Marlier <patrick.marlier@unine.ch>.
1465
1466 2010-05-13  Richard Henderson  <rth@redhat.com>
1467
1468         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1469         in extern "C".
1470
1471 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1472
1473         * libitm_i.h (struct gtm_transaction): Remove
1474         get_allocation_size.
1475         (record_allocation): Remove size parameter.
1476         * libitm.map (_ITM_realloc): Remove.
1477         * alloc_c.cc (_ITM_realloc): Remove.
1478         (_ITM_malloc): Remove size argument to record_allocation.
1479         (_ITM_calloc): Same.
1480         * alloc_cpp.cc (_ZGTtnwm): Same.
1481         (_ZGTtnwmRKSt9nothrow_t): Same.
1482         (_ZGTtnam): Same.
1483         (_ZGTtnamRKSt9nothrow_t): Same.
1484         * alloc.cc (struct gtm_alloc_action): Remove size.
1485         (get_allocation_size): Remove.
1486         (commit_allocations): Add comment.
1487         (record_allocation): Remove size parameter.
1488         (forget_allocation): Remove set of size.
1489
1490 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1491
1492         * Makefile.am (abi_version): New.
1493         (AM_CXXFLAGS): Pass abi_version.
1494         * Makefile.in: Regenerate.
1495         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1496
1497 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1498
1499         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1500         _ITM_getTMCloneOrIrrevokable.
1501         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1502         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1503
1504 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1505
1506         * configure.ac: Remove Linux futex support.
1507         * configure.tgt (config_path): Same.
1508         * Makefile.am: Same.
1509         * config/linux: Remove entire directory.
1510         * configure: Rebuild.
1511         * Makefile.in: Rebuild.
1512         * testsuite/Makefile.in: Rebuild.
1513
1514 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1515
1516         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1517         switching to serial mode.
1518         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1519
1520 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1521
1522         * configure.tgt: Add emacs -*- tags.
1523         * barrier.tpl: Same.
1524
1525 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1526
1527         * Makefile.am: Rename serial.cc to method-serial.cc.
1528         * Makefile.in: Regenerate with automake 1.11.1.
1529         * testsuite/Makefile.in: Same.
1530         * aclocal.m4: Regenerate with aclocal 1.11.1.
1531         * method-serial.cc: Rename from serial.cc.
1532         * libitm_i.h (struct gtm_transaction): Update comment on
1533         serialirr_mode.
1534
1535 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1536
1537         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1538         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1539
1540 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1541
1542         * configure: Rebuild.
1543
1544 2009-11-12  Richard Henderson  <rth@redhat.com>
1545
1546         * Rewrite everything in C++.
1547
1548 2009-11-03  Richard Henderson  <rth@redhat.com>
1549
1550         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1551         * Makefile.am (libitm_la_SOURCES): Add them.
1552         * configure.ac (ARCH_X86): New conditional.
1553         * Makefile.in, configure: Rebuild.
1554         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1555         Move futex setup into "other system configury" case.
1556         * local.c (rollback_local): Merge into ...
1557         (GTM_rollback_local): ... here.
1558         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1559         (_ITM_LB): Define as an alias to GTM_LB.
1560
1561 2009-11-03  Richard Henderson  <rth@redhat.com>
1562
1563         * method-readonly.c: New file.
1564         * Makefile.am (libitm_la_SOURCES): Add it.
1565         * Makefile.in: Rebuild.
1566         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1567         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1568         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1569         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1570         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1571         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1572         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1573         gtm_get_clock, gtm_inc_clock): New.
1574         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1575         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1576         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1577         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1578         replace uses with new libitm_i.h symbols.
1579         (dispatch_wbetl): Rename from wbetl_dispatch.
1580         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1581         away from dispatch_readonly; abort if the beginTransaction call
1582         asserted that the transaction was readonly.
1583
1584 2009-11-03  Richard Henderson  <rth@redhat.com>
1585
1586         * memset.c: New file.
1587         * Makefile.am (libitm_la_SOURCES): Add it.
1588         * Makefile.in: Rebuild.
1589         * testsuite/libitm.c/memset-1.c: New.
1590
1591 2009-11-03  Richard Henderson  <rth@redhat.com>
1592
1593         * dispatch.c: Remove file.
1594         * useraction.c (struct gtm_user_action): Move from libitm.h.
1595         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1596         (serial_memset, serial_memmove, serial_memcpy): Remove.
1597         (serial_W*, serial_R*): Remove.
1598         (serial_dispatch): Update to match.
1599         * configure.ac: Move Werror down below configure checks.  Don't
1600         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1601         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1602         Use GCC_AC_FUNC_MMAP_BLACKLIST
1603         * libitm.h: Split out all internal items to...
1604         * libitm_i.h: ... here.  New file.
1605         * copymask.c: New file.
1606         * local.c (struct gtm_local_undo): Move from libitm.h.
1607         (GTM_alloc_local): Rename from alloc_local; export.
1608         * memcpy.c: New file.
1609         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1610         * config/posix/page.c: New file.
1611         * config/posix/target_tls.h: Remove file.
1612         * barrier.c: New file.
1613         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1614         copymask.c, page.c.
1615         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1616         * method-wbetl.c: Rewrite for new cacheline methods.
1617         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1618
1619         * config/alpha/sjlj.S: Fix typo.
1620         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1621         * config/alpha/copymask.c: New file.
1622         * config/alpha/target.h (CACHELINE_SIZE): New.
1623         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1624
1625         * config/x86/target_i.h: Copy functions from x86/target.h.
1626         * config/x86/copymask.c: New file.
1627         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1628         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1629         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1630         * config/x86/target_tls.h: Move contents to target_i.h.
1631
1632         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1633         * testsuite/libitm.c/memcpy-1.c: New.
1634
1635 2009-10-22  Richard Henderson  <rth@redhat.com>
1636
1637         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1638         (AM_CCASFLAGS): New.
1639         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1640         saving/restoring _AC_ARG_VAR_PRECIOUS.
1641         * Makefile.in, aclocal.m4, config.h.in, configure,
1642         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1643
1644 2009-10-22  Richard Henderson  <rth@redhat.com>
1645
1646         * testsuite/*: Update for new compiler syntax.
1647
1648 2009-10-21  Richard Henderson  <rth@redhat.com>
1649
1650         * libitm.h (_ITM_abortReason): Add outerAbort.
1651
1652 2009-08-03  Richard Henderson  <rth@redhat.com>
1653
1654         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1655         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1656         * method-wbetl.c (struct w_entry): Remove mask.
1657         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1658         adjust all callers.
1659
1660 2009-07-22  Richard Henderson  <rth@redhat.com>
1661
1662         * eh_cpp.c: New file.
1663         * Makefile.am (libitm_la_SOURCES): Add it.
1664         * Makefile.in: Rebuild.
1665         * beginend.c (GTM_rollback_transaction): Undo exception state.
1666         (GTM_trycommit_transaction): Mark inline.
1667         (GTM_trycommit_and_finalize_transaction): Split out from ...
1668         (_ITM_commitTransaction): ... here.
1669         (_ITM_commitTransactionEH): New function.
1670         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1671         cxa_unthrown, eh_in_flight; reorder.
1672
1673         * testsuite/libitm.c++/c++.exp: New.
1674         * testsuite/libitm.c++/eh-1.C: New.
1675
1676         * aatree.c (aa_free): Remove REGPARM.
1677         * aatree.h: Remove all REGPARM.
1678
1679 2009-07-18  Richard Henderson  <rth@redhat.com>
1680
1681         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1682         * Makefile.am (libitm_la_SOURCES): Add them.
1683         * Makefile.in: Rebuild.
1684         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1685         (GTM_trycommit_transaction): Likewise.
1686         * libitm.h: Include aatree.h
1687         (struct gtm_alloc_action): New.
1688         (struct gtm_transaction): Add alloc_actions.
1689         (GTM_record_allocation, GTM_forget_allocation): Declare.
1690         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1691         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1692         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1693         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1694         _ZGTtdaPvRKSt9nothrow_t): Export.
1695
1696 2009-07-18  Richard Henderson  <rth@redhat.com>
1697
1698         * target_tls.h: Move ...
1699         * config/posix/target_tls.h: ... here.
1700
1701 2009-07-07  Richard Henderson  <rth@redhat.com>
1702
1703         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1704
1705 2009-07-07  Richard Henderson  <rth@redhat.com>
1706
1707         * Update to GPL3.
1708
1709 2009-07-07  Richard Henderson  <rth@redhat.com>
1710
1711         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1712         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1713
1714         * configure.tgt: Don't use -ftls-model for x86 linux.
1715         * libitm.h: Include target.h after standard includes.
1716         (_gtm_thr): Rename from gtm_thr.
1717         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1718         (gtm_disp, set_gtm_disp): New.
1719         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1720         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1721         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1722
1723 2009-07-07  Richard Henderson  <rth@redhat.com>
1724
1725         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1726
1727 2009-07-06  Richard Henderson  <rth@redhat.com>
1728
1729         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1730         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1731         (_ITM_beginTransaction): Take variadic arguments.
1732         (_ITM_registerThrownObject): Declare.
1733         * beginend.c, serial.c: Update.
1734         * libitm.map: Add _ITM_registerThrownObject.
1735
1736 2009-01-28  Richard Henderson  <rth@redhat.com>
1737
1738         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1739         * Makefile.in: Rebuild.
1740         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1741         (GTM_restart_transaction): Fix uninstrumented code check.
1742         * retry.c (GTM_decide_retry_strategy): Add serial check.
1743         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1744         automatically go irrevokable when in serial mode.
1745         * clone.c: New file.
1746         * libitm.h, libitm.map: Update.
1747
1748 2009-01-27  Richard Henderson  <rth@redhat.com>
1749
1750         * Makefile.am (LTCCASCOMPILE): Define.
1751         (libitm_la_SOURCES): Add methid-wbetl.c.
1752         * testsuite/Makefile.am: New
1753         * configure.ac: Add testsuite/Makefile.
1754         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1755         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1756         (_ITM_abortTransaction): Finalize implementation method; pass
1757         transaction properties to longjmp.
1758         (GTM_restart_transaction): Split out from ...
1759         (_ITM_commitTransaction): ... here.
1760         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1761         Move to config/x86/target.h.
1762         * config/linux/alpha/futex_bits.h: New.
1763         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1764         * config/x86/target.h: Disable target types for 32-bit.
1765         * config/alpha/sjlj.S, config/alpha/target.h: New.
1766         * libitm.h (struct gtm_dispatch): Add init, fini.
1767         (enum restart_reason): New.
1768         (struct gtm_transaction): Add method and restarts.
1769         * retry.c (GTM_decide_retry_strategy): Implement.
1770         * serial.c (serial_init, serial_fini): New.
1771         (GTM_serialmode): Finialize outgoing method.
1772         * method-wbetl.c: New.
1773
1774 2008-12-09  Richard Henderson  <rth@redhat.com>
1775
1776         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1777         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1778         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1779         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1780         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1781         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1782         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1783         * serial.c (serial_R##T, serial_W##T): Likewise.
1784
1785 2008-11-21  Richard Henderson  <rth@redhat.com>
1786
1787         * Initial commit.