libitm/ChangeLog

   1 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
   2
   3         PR libitm/61164
   4         * local_atomic (__always_inline): Rename to...
   5         (__libitm_always_inline): ... this.
   6
   7 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
   8
   9         PR target/52482
  10         * config/powerpc/sjlj.S: Port to Xcode 2.5.
  11
  12 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  13
  14         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
  15         operands "op" and "val" to int.
  16
  17 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  18
  19         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
  20         "op" and "val" to int.
  21
  22 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  23
  24         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
  25         "op" and "val" to int.
  26
  27 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  28
  29         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
  30         Declare as static int.
  31         (FUTEX_PRIVATE_FLAG): Remove L suffix.
  32         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
  33
  34 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
  35
  36         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
  37         sys_futex0 function.
  38
  39 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
  40
  41         * Makefile.in: Regenerated with automake-1.11.6.
  42         * aclocal.m4: Likewise.
  43         * configure: Likewise.
  44         * testsuite/Makefile.in: Likewise.
  45
  46 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
  47
  48         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
  49         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
  50
  51 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
  52
  53         PR libitm/64360
  54         * libitm.c/stackundo.c (test2): Make it static.
  55         (test1): Likewise.
  56
  57 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  58
  59         Update copyright years.
  60
  61 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
  62
  63         * libitm.texi: Bump @copying's copyright year.
  64
  65 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  66
  67         * testsuite/lib/libitm.exp: Load target-utils.exp.
  68         Move load of target-supports.exp earlier.
  69
  70 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
  71
  72         * configure.tgt (x86_64): Tune -m32 multilib to generic.
  73
  74 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
  75
  76         PR bootstrap/63784
  77         * configure: Regenerated.
  78
  79 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  80
  81         PR target/63610
  82         * configure: Regenerate.
  83
  84 2014-10-06  Marek Polacek  <polacek@redhat.com>
  85
  86         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
  87         * testsuite/libitm.c/memset-1.c: Likewise.
  88
  89 2014-07-24  Richard Henderson  <rth@redhat.com>
  90
  91         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
  92         addressing mode in epilogue.
  93
  94 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  95
  96         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
  97         -mclear-hwcap instead.
  98         * configure: Regenerate.
  99         * clearcap.map: Remove.
 100
 101 2014-05-21  John Marino  <gnugcc@marino.st>
 102
 103         * configure.tgt (*-*-dragonfly*): New target.
 104
 105 2014-05-19  Richard Henderson  <rth@redhat.com>
 106
 107         * config/aarch64/sjlj.S: New file.
 108         * config/aarch64/target.h: New file.
 109         * configure.tgt: Enable aarch64.
 110
 111 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 112
 113         * config/generic/asmcfi.h: Also check for
 114         __GCC_HAVE_DWARF2_CFI_ASM.
 115
 116 2013-04-02  Richard Henderson  <rth@redhat.com>
 117
 118         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 119         * config/arm/target.h, config/sh/target.h: Likewise.
 120         * config/sparc/target.h, config/x86/target.h: Likewise.
 121
 122 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 123
 124         * config/linux/futex_bits.h: Include errno.h.
 125         (sys_futex0): If syscall returns -1, return -errno rather than
 126         -1.
 127
 128 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 129
 130         * libitm.texi (Index): Rename to Library Index.
 131
 132 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 133
 134         PR libitm/53113
 135         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 136         (x86_avx.lo): Append -mavx to CXXFLAGS.
 137         * Makefile.in: Regenerate.
 138
 139 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 140
 141         Update copyright years
 142
 143 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 144
 145         * libitm.texi: Bump @copying's copyright year.
 146
 147 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 148
 149         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 150         (FUNC): Define ELFv2 variant.
 151         (END): Likewise.
 152         (HIDDEN): Likewise.
 153         (CALL): Likewise.
 154         (BASE): Likewise.
 155         (LR_SAVE): Likewise.
 156
 157 2013-09-20  Alan Modra  <amodra@gmail.com>
 158
 159         * configure: Regenerate.
 160
 161 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 162
 163         * config/posix/rwlock.cc: Fix initialization order.
 164
 165 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 166
 167         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 168         (htm_fastpath): Assign an asm name.
 169         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 170         HTM fast paths.
 171         (_ITM_actions): Likewise.
 172         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 173         x86_64.
 174         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 175         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 176         field to the start of the structure.
 177         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 178         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 179         handling for custom HTM fast paths.
 180
 181 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 182         Revert:
 183         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 184
 185         * configure.tgt: Add -msoft-float to XCFLAGS.
 186
 187 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 188
 189         * configure.tgt: Add -msoft-float to XCFLAGS.
 190
 191 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 192
 193         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 194         (htm_transaction_active): Enable zEC12 instructions in the
 195         assembler.
 196         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 197
 198 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 199
 200         * acinclude.m4: Add htm asm check for s390.
 201         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 202         * configure: Regenerate.
 203         * config/s390/target.h: Remove __HTM__ check.
 204         (htm_available): Call getauxval to get hwcaps and check whether
 205         HTM is available or not.
 206
 207 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 208
 209         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 210         * configure.ac: Use it.
 211         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 212         (AC_CHECK_FUNCS): Check for getauxval.
 213         * config.h.in, configure: Rebuild.
 214         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 215         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 216         (USE_HTM_FASTPATH): Define.
 217         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 218         _HTM_RETRIES) New macros.
 219         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 220         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 221
 222 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 223
 224         * config/s390/target.h: Include htmintrin.h.
 225         (_HTM_ITM_RETRIES): New macro definition.
 226         (htm_available, htm_init, htm_begin, htm_begin_success)
 227         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 228
 229 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 230             Cesar Philippidis  <cesar@codesourcery.com>
 231
 232         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 233         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 234         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 235         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 236
 237 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 238
 239         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 240         (_ITM_getTransactionId): Same.
 241         * config/x86/target.h (htm_transaction_active): New.
 242
 243 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 244
 245         PR libitm/57643
 246         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 247         the HTM fastpath.
 248
 249 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 250
 251         PR bootstrap/56714
 252         * local_atomic (__always_inline): Always define our version.
 253         (__calculate_memory_order): Mark inline.
 254         (atomic_thread_fence): Ditto.
 255         (atomic_signal_fence): Ditto.
 256         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 257         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 258         (atomic_bool::atomic_flag_test_and_set): Ditto.
 259         (atomic_bool::atomic_flag_clear): Ditto.
 260
 261 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 262
 263         * config/s390/sjlj.S: New file.
 264         * config/s390/target.h: New file.
 265         * configure.tgt: Set options for S/390.
 266
 267 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 268
 269         * local_atomic (__always_inline): Add.
 270         (__calculate_memory_order, atomic_thread_fence,
 271          atomic_signal_fence, test_and_set, clear, store, load,
 272          exchange, compare_exchange_weak, compare_exchange_strong,
 273          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 274         Add __always_inline to force inlining.
 275
 276 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 277             Jack Howarth  <howarth@bromo.med.uc.edu>
 278             Patrick Marlier  <patrick.marlier@gmail.com>
 279
 280         PR libitm/55693
 281         * alloc_cpp.cc: Enable function declarations on darwin.
 282         * eh_cpp.cc: Likewise.
 283
 284 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 285
 286         Update copyright years.
 287
 288 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 289
 290         * beginend.cc (htm_fastpath): New.
 291         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 292         _ITM_commitTransactionEH): Add HTM fastpath handling.
 293         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 294         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 295         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 296         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 297         * configure.tgt: Add -mrtm to XCFLAGS.
 298         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 299         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 300         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 301         * retry.cc (parse_default_method): Add HTM method parsing.
 302         (gtm_thread::number_of_threads_changed): Use HTM by default if
 303         available.
 304
 305 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 306
 307         * configure: Regenerate.
 308
 309 2012-10-31  Richard Henderson  <rth@redhat.com>
 310
 311         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 312         * configure.ac: Use it.
 313         * config.h.in, configure: Rebuild.
 314         * testsuite/Makefile.in: Rebuild.
 315
 316 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 317
 318         * libitm.texi: Clarify ABI requirements for data-logging functions.
 319
 320 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 321
 322         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 323         it requires serial mode instead of assuming that for certain
 324         dispatchs.
 325         * dispatch.h (abi_dispatch::requires_serial): New.
 326         (abi_dispatch::abi_dispatch): Adapt.
 327         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 328         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 329         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 330         serial_dispatch::serial_dispatch,
 331         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 332
 333 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 334
 335         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 336         and ia32 declarations some more.
 337         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 338
 339 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 340
 341         PR other/43620
 342         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 343         * configure: Regenerate.
 344         * Makefile.in: Regenerate.
 345
 346 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 347
 348         * configure: Regenerated.
 349
 350 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 351
 352         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 353
 354 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 355
 356         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 357
 358 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 359
 360         * configure: Regenerated.
 361
 362 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 363
 364         PR libitm/52854
 365         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 366         for x86-64.
 367
 368 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 369
 370         * configure: Regenerate.
 371
 372 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 373
 374         PR bootstrap/52812
 375         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 376
 377 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 378
 379         * testsuite/lib/libitm.exp: load fortran-modules.exp
 380
 381 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 382
 383         * configure.tgt (*-*-irix6*): Remove.
 384
 385 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 386
 387         PR libitm/52526
 388         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 389         wake-up.
 390
 391 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 392
 393         * configure.tgt (*-*-osf*): Remove.
 394         * configure: Regenerate.
 395
 396 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 397
 398         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 399         memtransfer/memset if size isn't larger than zero.
 400
 401 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 402
 403         * libitm.texi: Link to specification and add a usage example.
 404
 405 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 406
 407         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 408         default dispatch for more than 1 thread to ml_wt.
 409
 410 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 411
 412         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 413
 414 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 415
 416         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 417
 418 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 419
 420         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 421         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 422         (gl_wt_dispatch.rollback): Same.
 423
 424 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 425
 426         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 427
 428 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 429
 430         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 431         for RfW src.  Optimize number of calls to gtm_thr.
 432
 433 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 434
 435         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 436         acquisition to ...
 437         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 438         (default_dispatch): Make atomic.
 439         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 440         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 441         use decide_begin_dispatch() if default_dispatch might have changed.
 442         (GTM::gtm_thread::number_of_threads_changed): Initialize
 443         default_dispatch here.
 444
 445 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 446             Patrick Marlier  <patrick.marlier@gmail.com>
 447
 448         PR libitm/52220
 449         * alloc_cpp.cc: No dummy definitions for darwin.
 450         * eh_cpp.cc: Likewise.
 451
 452 2012-02-14  Richard Henderson  <rth@redhat.com>
 453
 454         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 455
 456 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 457
 458         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 459
 460 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 461
 462         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 463         (GTM::gtm_thread): Add read and write logs.
 464         (GTM::dispatch_ml_wt): Declare.
 465         * retry.cc (parse_default_method): Support ml_wt.
 466         * method-ml.cc: New file.
 467         * Makefile.am: Add method-ml.cc.
 468         * Makefile.in: Regenerate.
 469
 470 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 471
 472         * dispatch.h (GTM::abi_dispatch::supports): New.
 473         (GTM::method_group::reinit): New.
 474         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 475         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 476         supports the current situation.
 477
 478 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 479
 480         * util.cc (GTM::xcalloc): New.
 481         * common.h (GTM::xcalloc): Declare.
 482
 483 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 484
 485         * config/sparc/target.h (cpu_relax): Read from CC register.
 486         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 487
 488 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 489
 490         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 491
 492 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 493
 494         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 495         * config/sparc/cacheline.h: New file.
 496         * config/sparc/target.h: Likewise.
 497         * config/sparc/sjlj.S: Likewise.
 498         * config/linux/sparc/futex_bits.h: Likewise.
 499
 500 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 501
 502         * configure.ac (link_itm): Fix comment.
 503         * configure: Regenerate.
 504         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 505
 506 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 507
 508         PR libitm/51822
 509         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 510         Correct libgomp references.
 511
 512 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 513
 514         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 515         wake-up.
 516
 517 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 518
 519         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 520         end of structure.
 521         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 522         offset values.  Do not copy return address.  Decrement stack
 523         by 56 bytes only.
 524         (GTM_longjump) [__x86_64__]: Update offset values.
 525
 526 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 527
 528         PR libitm/51830
 529         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 530         the first function argument to %eax.
 531
 532 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 533
 534         * libitm.h (_ITM_getThreadnum): Remove.
 535         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 536
 537 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 538
 539         * clearcap.map: New file.
 540         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 541         * configure.ac: Call it.
 542         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 543         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 544         * configure: Regenerate.
 545         * Makefile.in: Regenerate.
 546         * testsuite/Makefile.in: Regenerate.
 547
 548 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 549
 550         PR libitm/51173
 551         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 552         include, exclude options.
 553
 554 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 555
 556         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 557         rolling back.
 558         * containers.h (GTM::vector::set_size): New.
 559
 560 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 561
 562         PR libitm/51855
 563         * config/generic/tls.h (GTM::mask_stack_top): New.
 564         (GTM::mask_stack_bottom): Declare.
 565         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 566         * local.cc (gtm_undolog::rollback): Filter out any updates that
 567         overlap the libitm stack.  Add current transaction as parameter.
 568         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 569         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 570         * testsuite/libitm.c/stackundo.c: New test.
 571
 572 2012-01-10  Richard Henderson  <rth@redhat.com>
 573
 574         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 575         * eh_cpp.cc (_Unwind_DeleteException): Define for
 576         !HAVE_ELF_STYLE_WEAKREF.
 577
 578 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 579
 580         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 581         (GTM::gtm_thread::drop_references_undolog): Remove.
 582         (GTM::gtm_thread::commit_undolog,
 583         GTM::gtm_thread::rollback_undolog): Move to ...
 584         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 585         (GTM::gtm_undolog_entry): Remove.
 586         (GTM::gtm_thread): Adapt.
 587         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 588         (GTM::gtm_thread::trycommit): Adapt.
 589         * method-serial.cc (serial_dispatch::log): Adapt.
 590         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 591         (gl_wt_dispatch::store): Fix likely/unlikely.
 592         * containers.h (GTM::vector::resize): Add additional_capacity
 593         parameter and handle it.
 594         (GTM::vector::resize_noinline): New/adapt.
 595         (GTM::vector::push): New.
 596
 597 2012-01-06  Richard Henderson  <rth@redhat.com>
 598
 599         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 600         * config/linux/powerpc/futex_bits.h: New file.
 601         * config/powerpc/cacheline.h: New file.
 602         * config/powerpc/sjlj.S: New file.
 603         * config/powerpc/target.h: New file.
 604         * config/generic/asmcfi.h (cfi_offset): New.
 605         (cfi_restore, cfi_undefined): New.
 606
 607 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 608
 609         PR other/51171
 610         * testsuite/libitm.c/reentrant.c: Remove xfail.
 611         (thread): Pass x to pure().
 612         From Patrik Marlier <patrick.marlier@gmail.com>.
 613
 614 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 615
 616         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 617         privatization safety if already in serial mode.
 618
 619 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 620
 621         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 622         finish_serial_upgrade parameter.
 623         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 624         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 625         Don't unset reader flag.
 626         (GTM::gtm_rwlock::write_upgrade_finish): New.
 627         * config/posix/rwlock.cc: Same.
 628         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 629         Declare.
 630         * config/posix/rwlock.h: Same.
 631         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 632         flag after commit or after rollback when restarting.
 633
 634 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 635
 636         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 637         (GTM::gtm_thread::try_commit): Changed memory order.
 638         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 639         as parameter.
 640         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 641         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 642         * config/linux/futex_bits.h (sys_futex0): Same.
 643         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 644         * config/linux/futex.h (futex_wait, futex_wake): Same.
 645         * config/linux/rwlock.h (gtm_rwlock::writers,
 646         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 647         ints.
 648         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 649         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 650         gtm_rwlock::write_unlock): Fix memory orders and fences.
 651         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 652         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 653         gtm_rwlock::write_unlock): Same.
 654         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 655         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 656         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 657         Add comments.
 658         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 659         gl_wt_dispatch::load, gl_wt_dispatch::store,
 660         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 661         orders and fences.  Add comments.
 662
 663 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 664
 665         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 666         * Makefile.in: Regenerated.
 667
 668 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 669
 670         * configure.tgt: Add sh* case.
 671         * config/sh/target.h: New file.
 672         * config/sh/sjlj.S: New file.
 673         * config/linux/sh/futex_bits.h: New file.
 674
 675 2011-12-14  Richard Henderson  <rth@redhat.com>
 676
 677         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 678         * config/arm/sjlj.S, config/arm/target.h: New files.
 679         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 680         (cfi_rel_offset): New.
 681         * config/linux/futex_bits.h: New file.
 682         * config/linux/futex.cc: Include futex_bits.h here...
 683         * config/linux/futex.h: ... not here.
 684         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 685         * configure.ac (ARCH_AM): New conditional.
 686         * Makefile.in, configure: Rebuild.
 687         * configure.tgt: Handle ARM.
 688
 689 2011-12-13  Richard Henderson  <rth@redhat.com>
 690
 691         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 692         signed/unsigned comparison werror.
 693
 694         * local_atomic: New file.
 695         * libitm_i.h: Include it.
 696         (gtm_thread::shared_state): Use atomic template.
 697         * beginend.cc (GTM::gtm_clock): Use atomic template.
 698         (global_tid): Use atomic template if 64-bit atomics available.
 699         (gtm_thread::gtm_thread): Update shared_state access.
 700         (gtm_thread::trycommit): Likewise.
 701         (choose_code_path): Update global_tid access.
 702         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 703         * stmlock.h (GTM::gtm_clock): Use atomic template.
 704         (gtm_get_clock, gtm_inc_clock): Update accesses.
 705         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 706         redundant __sync_synchronize after atomic shared_state access.
 707         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 708         (gtm_rwlock::write_lock_generic): Likewise.
 709         (gtm_rwlock::read_unlock): Likewise.
 710         * config/alpha/target.h (atomic_read_barrier): Remove.
 711         (atomic_write_barrier): Remove.
 712         * config/x86/target.h (atomic_read_barrier): Remove.
 713         (atomic_write_barrier): Remove.
 714
 715 2011-11-30  Richard Henderson  <rth@redhat.com>
 716
 717         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 718         * beginend.c (_ITM_abortTransaction): Update to match.
 719         (GTM::gtm_thread::restart): Likewise.
 720         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 721         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 722
 723 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 724
 725         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 726         * Makefile.in: Regenerate.
 727
 728 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 729
 730         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 731         * alloc_cpp.cc: Generate dummy functions if we don't
 732         HAVE_ELF_STYLE_WEAKREF.
 733         * eh_cpp.cc: Likewise.
 734         * configure: Regenerate.
 735         * aclocal.m4:  Likewise.
 736         * config.h.in: Likewise.
 737         * Makefile.in: Likewise.
 738         * testsuite/Makefile.in: Likewise.
 739
 740 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 741
 742         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 743         __USER_LABEL_PREFIX__ for targets that use it.
 744         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 745         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 746         in portability to non-elf targets.
 747         (GTM_longjmp): Likewise.
 748         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 749         where required.
 750
 751 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 752
 753         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 754         * testsuite/libitm.c/memset-1.c: Likewise.
 755
 756 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 757
 758         * configure: Regenerate.
 759
 760 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 761
 762         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 763         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 764         * Makefile.am: Handle sun style versioning.
 765         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 766         * configure: Regenerate.
 767         * Makefile.in: Regenerate.
 768
 769 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 770
 771         * config/generic/asmcfi.h: Fix comment.
 772         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 773         sequence without .hidden support, error for non-ELF targets.
 774         (GTM_longjmp) [__ELF__]: Only use .hidden if
 775         HAVE_ATTRIBUTE_VISIBILITY.
 776
 777 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 778
 779         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 780         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 781         Dummy functions.
 782         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 783         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 784
 785 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 786
 787         PR bootstrap/51098
 788         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 789         * configure: Regenerate.
 790
 791 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 792
 793         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 794
 795 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 796
 797         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 798         .hidden.
 799         (.note.GNU-stack): Only use if __linux__.
 800         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 801         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 802         * testsuite/libitm.c/reentrant.c: Likewise.
 803         * testsuite/libitm.c/simple-2.c: Likewise.
 804         * testsuite/libitm.c/txrelease.c: Likewise.
 805         * testsuite/libitm.c++/static_ctor.C: Likewise.
 806
 807 2011-11-10  Richard Henderson  <rth@redhat.com>
 808
 809         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 810         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 811         * configure.ac (ARCH_X86_AVX): New conditional.
 812         * Makefile.in, configure: Rebuild.
 813
 814 2011-11-09  Richard Henderson  <rth@redhat.com>
 815
 816         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 817         * configure.ac: Use it.
 818         * config.h.in, configure: Rebuild.
 819         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 820
 821 2011-11-09  Richard Henderson  <rth@redhat.com>
 822
 823         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 824         * config/alpha/unaligned.h: Remove file.
 825         * config/generic/unaligned.h: Remove file.
 826         * config/x86/unaligned.h: Remove file.
 827         * config/generic/cachepage.h: Remove file.
 828         * config/posix/cachepage.cc: Remove file.
 829         * config/generic/cacheline.cc: Remove file.
 830         * config/x86/cacheline.cc: Remove file.
 831         * config/generic/cacheline.h (gtm_cacheline): Remove the
 832         store_mask, copy_mask, copy_mask_wb methods.
 833         * config/x86/cacheline.h: Likewise.
 834         * config/alpha/cacheline.h: Fall back to generic after setting size.
 835         * config/generic/tls.cc (gtm_mask_stack): Remove.
 836         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 837         (GTM_vpalignr_table): Remove.
 838         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 839         (GTM_pshift_table): Remove.
 840         * config/libitm_i.h: Don't include cachepage.h.
 841         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 842         * Makefile.in, testsuite/Makefile.in: Rebuild.
 843
 844 2011-11-09  Richard Henderson  <rth@redhat.com>
 845
 846         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 847         to emit branch prediction hint.
 848
 849         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 850         Protect .note.GNU-stack with __linux__.
 851
 852         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 853         * configure, aclocal.m4, config.h.in: Rebuild.
 854         * config/generic/asmcfi.h: New file.
 855         * config/x86/sjlj.S: Use it.
 856
 857 2011-11-08  Richard Henderson  <rth@redhat.com>
 858
 859         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 860
 861 2011-11-08  Richard Henderson  <rth@redhat.com>
 862
 863         * configure.tgt: Test correct directory for supported cpus.
 864
 865         * configure.ac: Exit if unsupported.
 866         * configure: Rebuild.
 867         * configure.tgt: Delete boilerplate from libgomp for unsupported
 868         targets.  Set UNSUPPORTED for unsupported targets.
 869
 870 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 871
 872         * configure.tgt: Handle i386 like i[456]86.
 873         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 874         take address.
 875         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 876         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 877
 878 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 879
 880         * method-wbetl.cc: Update copyright notice.
 881         * aatree.cc: Same.
 882         * util.cc: Same.
 883         * libitm.h: Same.
 884         * memset.cc: Same.
 885         * eh_cpp.cc: Same.
 886         * barrier.tpl: Same.
 887         * useraction.cc: Same.
 888         * stmlock.h: Same.
 889         * memcpy.cc: Same.
 890         * common.h: Same.
 891         * config/generic/tls.cc: Same.
 892         * config/generic/cacheline.h: Same.
 893         * config/generic/cachepage.h: Same.
 894         * config/generic/cacheline.cc: Same.
 895         * config/generic/unaligned.h: Same.
 896         * config/x86/cacheline.h: Same.
 897         * config/x86/cacheline.cc: Same.
 898         * config/x86/unaligned.h: Same.
 899         * config/alpha/cacheline.h: Same.
 900         * config/alpha/unaligned.h: Same.
 901         * config/alpha/sjlj.S: Same.
 902         * config/posix/cachepage.cc: Same.
 903         * config/linux/futex.h: Same.
 904         * config/linux/alpha/futex_bits.h: Same.
 905
 906 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 907
 908         * libitm.texi: No cover text and invariant sections.
 909
 910 2011-11-03  Richard Henderson  <rth@redhat.com>
 911
 912         * local_type_traits: New file.
 913         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 914
 915 2011-11-03  Richard Henderson  <rth@redhat.com>
 916
 917         * configure.ac: Don't test for gfortran.
 918         * configure: Rebuild.
 919
 920         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 921         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 922
 923 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 924
 925         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 926         * testsuite/libitm.c/memset-1.c: Same.
 927         * testsuite/libitm.c/c.exp: Same.
 928         * testsuite/lib/libitm-dg.exp: Same.
 929         * testsuite/lib/libitm.exp: Same.
 930         * testsuite/libitm.c++/c++.exp: Same.
 931
 932 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 933
 934         * testsuite/config/default.exp: Update copyright date.
 935         * configure.ac: Add copyright info.
 936         * configure.tgt: Same.
 937
 938 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 939
 940         * testsuite/libitm.c/reentrant.c: XFAIL.
 941         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 942
 943 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 944
 945         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 946         handle aborts.
 947         (_ITM_abortTransaction): Handle aborts of outer transactions.
 948         * libitm_i.h: Same.
 949         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 950         * libitm.texi: Document aborts of outer transactions.
 951         * testsuite/libitm.c/cancel.c: New file.
 952
 953 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 954
 955         * testsuite/*: Change __transaction to __transaction_atomic or
 956         __transaction_relaxed.
 957
 958 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 959
 960         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 961         (gtm_thr): Same.
 962
 963 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 964
 965         * libitm_i.h: Add gl_wt dispatch.
 966         * retry.cc (parse_default_method): Same.
 967         * method-gl.cc: New file.
 968         * Makefile.am: Use method-gl.cc.
 969         * Makefile.in: Rebuild.
 970
 971 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 972
 973         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 974         safety if requested by a TM method.
 975         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 976         privatization safety.
 977         * method-serial.cc: Same.
 978
 979 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 980
 981         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 982         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 983         undolog-related member functions from *_local to *_undolog.
 984         * local.cc (gtm_thread::commit_undolog): Same.
 985         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 986         (GTM::gtm_thread::rollback): Roll back undolog before
 987         dispatch-specific rollback.
 988
 989 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 990
 991         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 992         re-initialization of the current method group.
 993         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 994
 995 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 996
 997         * alloc.cc (commit_allocations_2): Do not free transaction-local
 998         memory when committing a nested transaction.
 999
1000 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1001
1002         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1003         serial-irrevocable dispatch, not serial.
1004
1005 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1006
1007         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1008         declarations.
1009         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1010         * method-serial.cc: Implement begin_or_restart().
1011         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1012         dispatch-specific begin_or_restart().
1013         (GTM::gtm_thread::restart): Same.
1014
1015 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1016
1017         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1018         restarting without switching to serial mode.
1019         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1020         transaction state. Choose closed-nesting alternative if available.
1021         (GTM::gtm_thread::set_default_dispatch): New.
1022         (parse_default_method): New.
1023         (GTM::gtm_thread::number_of_threads_changed): New.
1024         * method-serial.cc (GTM::serial_mg): New method group class.
1025         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1026         fini.
1027         (GTM::serial_dispatch): Same.
1028         (GTM::serialirr_onwrite_dispatch): Same.
1029         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1030         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1031         registered threads.
1032         (GTM::gtm_thread::gtm_thread): Same.
1033         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1034         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1035         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1036         choose dispatch but set state according to dispatch here.
1037         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1038         (GTM::method_group): New class.
1039         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1040         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1041         * libitm.texi: Document TM methods, method groups, method life cycle.
1042         Rename method sets to method groups.
1043
1044 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1045
1046         * config/x86/tls.h: Moved to ...
1047         * config/linux/x86/tls.h: ... here.
1048
1049 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1050
1051         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1052         Add X32 support.
1053         * config/x86/sjlj.S: Same.
1054
1055 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1056
1057         * config/linux/rwlock.h: New file.
1058         * config/linux/rwlock.c: New file.
1059         * configure.ac: Reenable futex support (undo SVN rev 157758).
1060         * Makefile.am: Same.
1061         * configure.tgt: Same.
1062         * config/linux/alpha/futex_bits.h: Same.
1063         * config/linux/futex.h: Same. Return number of woken processes.
1064         * config/linux/futex.cc: Same.
1065         (futex_wait): Remove spinning.
1066         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1067         Use __x86_64__ instead of __LP64__.
1068         * aclocal.m4: Include generic futex checks.
1069         * configure: Rebuild.
1070         * Makefile.in: Rebuild.
1071         * testsuite/Makefile.in: Rebuild.
1072         * beginend.cc: Include pthread.h.
1073         * config/posix/cachepage.cc: Same.
1074
1075 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1076
1077         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1078         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1079         (set_gtm_thr): New.
1080         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1081         (set_gtm_thr): New.
1082         (GTM::gtm_thread::thread_num): Removed.
1083         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1084         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1085         tx-to-thread renaming.
1086         * beginend.cc: Adapted to tx-to-thread renaming.
1087         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1088         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1089         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1090         gtm_transaction to gtm_thread.
1091         (_ITM_getThreadnum): Removed. Not supported anymore.
1092         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1093         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1094         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1095         gtm_tx-to-gtm_thr renaming if necessary.
1096         * eh_cpp.cc: Same.
1097         * local.cc: Same.
1098         * retry.cc: Same.
1099         * clone.cc: Same.
1100         * alloc.cc: Same.
1101         * alloc_c.cc: Same.
1102         * alloc_cpp.cc: Same.
1103         * method-serial.cc: Same.
1104         * config/generic/tls.cc: Same.
1105         * config/posix/rwlock.h (gtm_rwlock): Same.
1106         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1107
1108 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1109
1110         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1111         implementation.
1112         (gtm_rwlock::read_unlock): Same.
1113         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1114         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1115         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1116         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1117         w_upgrade. Replaced by per-transaction flags (in shared_state).
1118         Added c_confirmed_writers.
1119         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1120         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1121         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1122         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1123         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1124         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1125         * libitm.texi: Document locking conventions and implementations in
1126         libitm.
1127
1128 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1129
1130         * libitm_i.h (next_tx): Add list of all threads' transaction.
1131         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1132         transaction with list of transactions and ...
1133         (thread_exit_handler): ... deregister here.
1134         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1135         * config/x86/target.h: Same.
1136
1137 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1138
1139         * testsuite/libitm.c++/static_ctor.C: New file.
1140
1141 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1142
1143         * testsuite/libitm.c/reentrant.c: New file.
1144
1145 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1146
1147         * config/generic/tls.h: Remove the free list for transactions and ...
1148         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1149         (GTM::gtm_transaction::operator delete): ... and release here.
1150         (thread_exit_handler): New. Delete tx when thread terminates.
1151         (thread_exit_init): New.
1152         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1153         * testsuite/libitm.c/txrelease.c: New file.
1154
1155 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1156
1157         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1158         * testsuite/libitm.c/notx.c: New file.
1159
1160 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1161
1162         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1163         * libitm_i.h (local_tid): ... to here.
1164         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1165         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1166
1167 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1168
1169         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1170         serialirr_onwrite_dispatch as new default for now.
1171         * method-serial.cc (serialirr_onwrite_dispatch): New.
1172         (GTM::dispatch_serialirr_onwrite): New.
1173         * libitm_i.h: Same.
1174
1175 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1176
1177         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1178         * query.cc (_ITM_getTransactionId): There is no active transaction if
1179         the current nesting level is zero.
1180
1181 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1182
1183         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1184         rollback.
1185
1186 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1187
1188         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1189         transaction properties from the caller instead of from the
1190         transaction object.
1191         * libitm_i.h: Same.
1192         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1193
1194 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1195
1196         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1197         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1198         * dispatch.h: Same.
1199         * method-serial.cc: Same.
1200         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1201         flat nesting as default, and closed nesting on demand.
1202         (GTM::gtm_transaction::rollback): Same.
1203         (_ITM_abortTransaction): Same.
1204         (GTM::gtm_transaction::restart): Same.
1205         (GTM::gtm_transaction::trycommit): Same.
1206         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1207         (choose_code_path): New.
1208         (GTM::gtm_transaction_cp::save): New.
1209         (GTM::gtm_transaction_cp::commit): New.
1210         * query.cc (_ITM_inTransaction): Support flat nesting.
1211         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1212         (GTM::gtm_transaction): Support flat and closed nesting.
1213         * alloc.cc (commit_allocations_2): New.
1214         (commit_cb_data): New helper struct.
1215         (GTM::gtm_transaction::commit_allocations): Handle nested
1216         commits/rollbacks.
1217         * libitm.texi: Update user action section, add description of nesting.
1218
1219 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1220
1221         * libitm_i.h: Add closed nesting as restart reason.
1222         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1223
1224 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1225
1226         * useraction.cc: Use vector instead of list to store actions.
1227         Also support partial rollbacks for closed nesting.
1228         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1229         * beginend.cc: Same.
1230
1231 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1232
1233         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1234         closed_nesting flags, as well as a closed nesting alternative.
1235         * method-serial.cc: Same.
1236         (serial_dispatch): Renamed to serialirr_dispatch.
1237         (GTM::dispatch_serialirr): Same.
1238         (serial_dispatch_ul): Renamed to serial_dispatch.
1239         (GTM::dispatch_serial): Same.
1240
1241 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1242
1243         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1244
1245 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1246
1247         * aatree.h (aa_tree::remove): New.
1248         (aa_tree::operator new): Add placement new.
1249
1250 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1251
1252         * containers.h: New file.
1253         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1254         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1255         * common.h: ... to here.
1256         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1257         * local.cc: Same.
1258
1259 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1260
1261         * libitm_i.h (STATE_ABORTING): Remove.
1262         * beginend.cc (_ITM_abortTransaction): Same.
1263         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1264         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1265         (_ITM_rollbackTransaction): Remove.
1266         * beginend.cc: Same.
1267         * libitm.map: Same.
1268         * libitm.texi: Document these ABI changes.
1269
1270 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1271
1272         * libitm.texi: New file.
1273         * Makefile.am: Add libitm.texi.
1274         * Makefile.in: Rebuild.
1275
1276 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1277
1278         * libitm_i.h: Move parts to common.h and dispatch.h.
1279         * common.h: New file.
1280         * dispatch.h: New file, new dispatch class.
1281         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1282         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1283         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1284         decision to retry.cc.
1285         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1286         only.
1287         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1288         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1289         logging.
1290         * barrier.cc: Use new barriers definitions.
1291         (abi_dispatch::memmove_overlap_check): New.
1292         * config/x86/x86_sse.cc: Same.
1293         * config/x86/x86_avx.cc: Same.
1294         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1295         memcpy.cc.
1296         * Makefile.in: Rebuild.
1297         * method-readonly.cc: Remove.
1298         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1299         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1300
1301 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1302
1303         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1304         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1305         * testsuite/libitm.c/dropref-2.c: Same.
1306         * testsuite/libitm.c/dropref.c: Same.
1307
1308 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1309
1310         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1311         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1312         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1313         * alloc_c.cc: Same.
1314         * barrier.tpl: Same.
1315         * beginend.c: Same.
1316         * config/generic/tls.h: Same.
1317         * config/x86/tls.h: Same.
1318         * libitm_i.h: Same.
1319         * memcpy.cc: Same.
1320         * memset.cc: Same.
1321         * method-readonly.cc: Same.
1322         * method-serial.cc: Same.
1323         * method-wbetl.cc: Same.
1324         * retry.cc: Same.
1325
1326 2011-03-03  Richard Henderson  <rth@redhat.com>
1327
1328         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1329         From Patrik Marlier <patrick.marlier@unine.ch>.
1330
1331 2011-02-03  Richard Henderson  <rth@redhat.com>
1332
1333         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1334         * configure.ac: Use it.
1335         * configure, config.h.in: Rebuild.
1336         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1337         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1338         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1339         * libitm.map: Use wildcards to match size_t mangling.
1340
1341 2010-12-14  Richard Henderson  <rth@redhat.com>
1342
1343         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1344         blocks of TIDs per thread.
1345         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1346         (setup_gtm_thr): Return the thread structure.
1347         * config/x86/tls.h (setup_gtm_thr): Likewise.
1348
1349 2010-12-14  Richard Henderson  <rth@redhat.com>
1350
1351         * clone.cc (table_lock): Remove.
1352         (find_clone): Don't take it.
1353         (ExcludeTransaction): New helper class.
1354         (_ITM_registerTMCloneTable): Use it.
1355         (_ITM_deregisterTMCloneTable): Likewise.
1356
1357 2010-12-14  Richard Henderson  <rth@redhat.com>
1358
1359         * config/x86/tls.h: New file.
1360
1361 2010-07-15  Richard Henderson  <rth@redhat.com>
1362
1363         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1364         * Makefile.in: Rebuild.
1365
1366 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1367
1368         * method-wbetl.cc (trydropreference): Fix source line.
1369
1370 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1371
1372         * libitm.h: Add comment.
1373         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1374
1375 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1376
1377         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1378         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1379         available, use pthread mutexes.
1380         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1381         * config.h.in: Regenerate.
1382         * configure: Regenerate.
1383
1384 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1385
1386         * libitm.h (ITM_PURE): Define.
1387         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1388
1389 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1390
1391         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1392         (validate): Add comment.
1393         (trydropreference): New.
1394         * method-readonly.cc (class readonly_dispatch): Add
1395         trydropreference.
1396         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1397         Call trydropreference().
1398         * libitm.h (_ITM_dropReferences): Remove const attribute.
1399         * method-serial.cc (class serial_dispatch): Add trydropreference.
1400         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1401
1402 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1403
1404         * memcpy.cc (do_memcpy): Comment.
1405
1406 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1407
1408         * barrier.tpl: Add comments throughout.
1409
1410 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1411
1412         * method-wbetl.cc (struct w_entry): Add comments.
1413         (trycommit): Same.
1414         (rollback): Same.
1415
1416 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1417
1418         * alloc_c.cc (_ITM_dropReferences): New.
1419         * libitm.map (_ITM_dropReferences): Add.
1420         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1421         * libitm_i.h (struct gtm_transaction): Declare
1422         drop_references_allocations and drop_references_local.
1423         * local.cc (rollback_local): Ignore memory when applicable.
1424         (drop_references_local): New.
1425
1426 2010-06-23  Richard Henderson  <rth@redhat.com>
1427
1428         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1429         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1430         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1431         * config/alpha/target.h: Likewise.
1432         * config/generic/tls.cc (gtm_mask_stack): Use it.
1433
1434 2010-06-23  Richard Henderson  <rth@redhat.com>
1435
1436         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1437         a mutex instead of trying a lock-free compare-and-swap on the list.
1438         (gtm_cacheline_page::operator delete): Likewise.
1439
1440 2010-06-16  Richard Henderson  <rth@redhat.com>
1441
1442         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1443         that overlap the libitm stack.
1444         * barrier.tpl: Mark incoming stack.
1445         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1446         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1447         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1448         * memcpy.cc, memset.cc: Likewise.
1449         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1450         * config/generic/tls.h (gtm_thread): Add stack_top member.
1451         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1452         * libitm_i.h (gtm_mask_stack): Declare.
1453         * config/generic/tls.cc: New file.
1454         * Makefile.am (libitm_la_SOURCES): Add it.
1455         (AM_CXXFLAGS): Turn off exceptions.
1456         * Makefile.in: Rebuild.
1457
1458 2010-06-16  Richard Henderson  <rth@redhat.com>
1459
1460         * alloc.cc (struct gtm_alloc_action): Move definition ...
1461         * libitm_i.h: ... here.
1462         (class gtm_transaction): Declare new and delete.
1463         * beginend.cc (alloc_tx): Reformulate as operator new.
1464         (free_tx): Reformulate as operator delete.
1465         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1466
1467 2010-06-11  Richard Henderson  <rth@redhat.com>
1468
1469         * clone.cc (clone_entry_compare): Fix typo.
1470         From Patrik Marlier <patrick.marlier@unine.ch>.
1471
1472 2010-05-13  Richard Henderson  <rth@redhat.com>
1473
1474         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1475         in extern "C".
1476
1477 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1478
1479         * libitm_i.h (struct gtm_transaction): Remove
1480         get_allocation_size.
1481         (record_allocation): Remove size parameter.
1482         * libitm.map (_ITM_realloc): Remove.
1483         * alloc_c.cc (_ITM_realloc): Remove.
1484         (_ITM_malloc): Remove size argument to record_allocation.
1485         (_ITM_calloc): Same.
1486         * alloc_cpp.cc (_ZGTtnwm): Same.
1487         (_ZGTtnwmRKSt9nothrow_t): Same.
1488         (_ZGTtnam): Same.
1489         (_ZGTtnamRKSt9nothrow_t): Same.
1490         * alloc.cc (struct gtm_alloc_action): Remove size.
1491         (get_allocation_size): Remove.
1492         (commit_allocations): Add comment.
1493         (record_allocation): Remove size parameter.
1494         (forget_allocation): Remove set of size.
1495
1496 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1497
1498         * Makefile.am (abi_version): New.
1499         (AM_CXXFLAGS): Pass abi_version.
1500         * Makefile.in: Regenerate.
1501         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1502
1503 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1504
1505         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1506         _ITM_getTMCloneOrIrrevokable.
1507         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1508         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1509
1510 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1511
1512         * configure.ac: Remove Linux futex support.
1513         * configure.tgt (config_path): Same.
1514         * Makefile.am: Same.
1515         * config/linux: Remove entire directory.
1516         * configure: Rebuild.
1517         * Makefile.in: Rebuild.
1518         * testsuite/Makefile.in: Rebuild.
1519
1520 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1521
1522         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1523         switching to serial mode.
1524         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1525
1526 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1527
1528         * configure.tgt: Add emacs -*- tags.
1529         * barrier.tpl: Same.
1530
1531 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1532
1533         * Makefile.am: Rename serial.cc to method-serial.cc.
1534         * Makefile.in: Regenerate with automake 1.11.1.
1535         * testsuite/Makefile.in: Same.
1536         * aclocal.m4: Regenerate with aclocal 1.11.1.
1537         * method-serial.cc: Rename from serial.cc.
1538         * libitm_i.h (struct gtm_transaction): Update comment on
1539         serialirr_mode.
1540
1541 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1542
1543         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1544         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1545
1546 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1547
1548         * configure: Rebuild.
1549
1550 2009-11-12  Richard Henderson  <rth@redhat.com>
1551
1552         * Rewrite everything in C++.
1553
1554 2009-11-03  Richard Henderson  <rth@redhat.com>
1555
1556         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1557         * Makefile.am (libitm_la_SOURCES): Add them.
1558         * configure.ac (ARCH_X86): New conditional.
1559         * Makefile.in, configure: Rebuild.
1560         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1561         Move futex setup into "other system configury" case.
1562         * local.c (rollback_local): Merge into ...
1563         (GTM_rollback_local): ... here.
1564         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1565         (_ITM_LB): Define as an alias to GTM_LB.
1566
1567 2009-11-03  Richard Henderson  <rth@redhat.com>
1568
1569         * method-readonly.c: New file.
1570         * Makefile.am (libitm_la_SOURCES): Add it.
1571         * Makefile.in: Rebuild.
1572         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1573         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1574         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1575         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1576         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1577         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1578         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1579         gtm_get_clock, gtm_inc_clock): New.
1580         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1581         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1582         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1583         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1584         replace uses with new libitm_i.h symbols.
1585         (dispatch_wbetl): Rename from wbetl_dispatch.
1586         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1587         away from dispatch_readonly; abort if the beginTransaction call
1588         asserted that the transaction was readonly.
1589
1590 2009-11-03  Richard Henderson  <rth@redhat.com>
1591
1592         * memset.c: New file.
1593         * Makefile.am (libitm_la_SOURCES): Add it.
1594         * Makefile.in: Rebuild.
1595         * testsuite/libitm.c/memset-1.c: New.
1596
1597 2009-11-03  Richard Henderson  <rth@redhat.com>
1598
1599         * dispatch.c: Remove file.
1600         * useraction.c (struct gtm_user_action): Move from libitm.h.
1601         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1602         (serial_memset, serial_memmove, serial_memcpy): Remove.
1603         (serial_W*, serial_R*): Remove.
1604         (serial_dispatch): Update to match.
1605         * configure.ac: Move Werror down below configure checks.  Don't
1606         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1607         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1608         Use GCC_AC_FUNC_MMAP_BLACKLIST
1609         * libitm.h: Split out all internal items to...
1610         * libitm_i.h: ... here.  New file.
1611         * copymask.c: New file.
1612         * local.c (struct gtm_local_undo): Move from libitm.h.
1613         (GTM_alloc_local): Rename from alloc_local; export.
1614         * memcpy.c: New file.
1615         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1616         * config/posix/page.c: New file.
1617         * config/posix/target_tls.h: Remove file.
1618         * barrier.c: New file.
1619         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1620         copymask.c, page.c.
1621         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1622         * method-wbetl.c: Rewrite for new cacheline methods.
1623         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1624
1625         * config/alpha/sjlj.S: Fix typo.
1626         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1627         * config/alpha/copymask.c: New file.
1628         * config/alpha/target.h (CACHELINE_SIZE): New.
1629         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1630
1631         * config/x86/target_i.h: Copy functions from x86/target.h.
1632         * config/x86/copymask.c: New file.
1633         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1634         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1635         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1636         * config/x86/target_tls.h: Move contents to target_i.h.
1637
1638         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1639         * testsuite/libitm.c/memcpy-1.c: New.
1640
1641 2009-10-22  Richard Henderson  <rth@redhat.com>
1642
1643         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1644         (AM_CCASFLAGS): New.
1645         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1646         saving/restoring _AC_ARG_VAR_PRECIOUS.
1647         * Makefile.in, aclocal.m4, config.h.in, configure,
1648         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1649
1650 2009-10-22  Richard Henderson  <rth@redhat.com>
1651
1652         * testsuite/*: Update for new compiler syntax.
1653
1654 2009-10-21  Richard Henderson  <rth@redhat.com>
1655
1656         * libitm.h (_ITM_abortReason): Add outerAbort.
1657
1658 2009-08-03  Richard Henderson  <rth@redhat.com>
1659
1660         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1661         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1662         * method-wbetl.c (struct w_entry): Remove mask.
1663         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1664         adjust all callers.
1665
1666 2009-07-22  Richard Henderson  <rth@redhat.com>
1667
1668         * eh_cpp.c: New file.
1669         * Makefile.am (libitm_la_SOURCES): Add it.
1670         * Makefile.in: Rebuild.
1671         * beginend.c (GTM_rollback_transaction): Undo exception state.
1672         (GTM_trycommit_transaction): Mark inline.
1673         (GTM_trycommit_and_finalize_transaction): Split out from ...
1674         (_ITM_commitTransaction): ... here.
1675         (_ITM_commitTransactionEH): New function.
1676         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1677         cxa_unthrown, eh_in_flight; reorder.
1678
1679         * testsuite/libitm.c++/c++.exp: New.
1680         * testsuite/libitm.c++/eh-1.C: New.
1681
1682         * aatree.c (aa_free): Remove REGPARM.
1683         * aatree.h: Remove all REGPARM.
1684
1685 2009-07-18  Richard Henderson  <rth@redhat.com>
1686
1687         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1688         * Makefile.am (libitm_la_SOURCES): Add them.
1689         * Makefile.in: Rebuild.
1690         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1691         (GTM_trycommit_transaction): Likewise.
1692         * libitm.h: Include aatree.h
1693         (struct gtm_alloc_action): New.
1694         (struct gtm_transaction): Add alloc_actions.
1695         (GTM_record_allocation, GTM_forget_allocation): Declare.
1696         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1697         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1698         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1699         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1700         _ZGTtdaPvRKSt9nothrow_t): Export.
1701
1702 2009-07-18  Richard Henderson  <rth@redhat.com>
1703
1704         * target_tls.h: Move ...
1705         * config/posix/target_tls.h: ... here.
1706
1707 2009-07-07  Richard Henderson  <rth@redhat.com>
1708
1709         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1710
1711 2009-07-07  Richard Henderson  <rth@redhat.com>
1712
1713         * Update to GPL3.
1714
1715 2009-07-07  Richard Henderson  <rth@redhat.com>
1716
1717         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1718         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1719
1720         * configure.tgt: Don't use -ftls-model for x86 linux.
1721         * libitm.h: Include target.h after standard includes.
1722         (_gtm_thr): Rename from gtm_thr.
1723         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1724         (gtm_disp, set_gtm_disp): New.
1725         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1726         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1727         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1728
1729 2009-07-07  Richard Henderson  <rth@redhat.com>
1730
1731         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1732
1733 2009-07-06  Richard Henderson  <rth@redhat.com>
1734
1735         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1736         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1737         (_ITM_beginTransaction): Take variadic arguments.
1738         (_ITM_registerThrownObject): Declare.
1739         * beginend.c, serial.c: Update.
1740         * libitm.map: Add _ITM_registerThrownObject.
1741
1742 2009-01-28  Richard Henderson  <rth@redhat.com>
1743
1744         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1745         * Makefile.in: Rebuild.
1746         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1747         (GTM_restart_transaction): Fix uninstrumented code check.
1748         * retry.c (GTM_decide_retry_strategy): Add serial check.
1749         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1750         automatically go irrevokable when in serial mode.
1751         * clone.c: New file.
1752         * libitm.h, libitm.map: Update.
1753
1754 2009-01-27  Richard Henderson  <rth@redhat.com>
1755
1756         * Makefile.am (LTCCASCOMPILE): Define.
1757         (libitm_la_SOURCES): Add methid-wbetl.c.
1758         * testsuite/Makefile.am: New
1759         * configure.ac: Add testsuite/Makefile.
1760         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1761         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1762         (_ITM_abortTransaction): Finalize implementation method; pass
1763         transaction properties to longjmp.
1764         (GTM_restart_transaction): Split out from ...
1765         (_ITM_commitTransaction): ... here.
1766         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1767         Move to config/x86/target.h.
1768         * config/linux/alpha/futex_bits.h: New.
1769         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1770         * config/x86/target.h: Disable target types for 32-bit.
1771         * config/alpha/sjlj.S, config/alpha/target.h: New.
1772         * libitm.h (struct gtm_dispatch): Add init, fini.
1773         (enum restart_reason): New.
1774         (struct gtm_transaction): Add method and restarts.
1775         * retry.c (GTM_decide_retry_strategy): Implement.
1776         * serial.c (serial_init, serial_fini): New.
1777         (GTM_serialmode): Finialize outgoing method.
1778         * method-wbetl.c: New.
1779
1780 2008-12-09  Richard Henderson  <rth@redhat.com>
1781
1782         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1783         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1784         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1785         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1786         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1787         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1788         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1789         * serial.c (serial_R##T, serial_W##T): Likewise.
1790
1791 2008-11-21  Richard Henderson  <rth@redhat.com>
1792
1793         * Initial commit.