libitm/ChangeLog

   1 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * Makefile.am (finclude): Remove.
   4         * Makefile.in: Regenerated.
   5
   6 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
   7
   8         Update copyright years.
   9
  10 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  11
  12         * libitm.texi: Bump @copying's copyright year.
  13
  14 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
  15
  16         PR c++/88482
  17         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
  18         void * to void (*) (void *).
  19         (_ITM_cxa_throw): Likewise.
  20         * libitm.h (_ITM_cxa_throw): Likewise.
  21         * libitm.texi (_ITM_cxa_throw): Likewise.
  22
  23 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
  24
  25         * config/powerpc/target.h (htm_available):  Add support for
  26         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
  27
  28 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
  29
  30         PR bootstrap/82856
  31         * Makefile.am: Include multilib.am.
  32         (AUTOMAKE_OPTIONS): Add info-in-builddir.
  33         (CLEANFILES): Remove libitm.info.
  34         * configure.ac: Remove AC_PREREQ.
  35         * testsuite/Makefile.am (RUNTEST): Remove quotes.
  36         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
  37         Regenerate.
  38
  39 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
  40
  41         PR libitm/86293
  42         * method-serial.cc: Mark varible as potentially unused
  43         to silence warning.
  44
  45 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
  46
  47         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
  48         absolute relocation in a shared library.
  49
  50 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
  51
  52         PR libitm/85988
  53         * config/linux/x86/tls.h (SEG_READ): Use the offset of
  54         __private_tm as base.
  55         (SEG_WRITE): Likewise.
  56         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
  57         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
  58         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
  59         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
  60         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
  61
  62 2018-05-17  Jason Merrill  <jason@redhat.com>
  63
  64         * beginend.cc (save): Disable -Werror=deprecated-copy.
  65
  66 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  67
  68         PR testsuite/85106
  69         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
  70
  71 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  72
  73         PR testsuite/85106
  74         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
  75
  76 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  77
  78         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  79         (__CET__ & 2) != 0 check for shadow stack.
  80         (GTM_longjmp): Likewise.
  81
  82 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  83
  84         * configure: Regenerated.
  85
  86 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
  87
  88         PR target/85489
  89         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
  90
  91 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
  92
  93         * configure: Regenerated.
  94
  95 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
  96
  97         PR jit/85384
  98         * configure: Regenerate.
  99
 100 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 101
 102         PR target/84148
 103         * configure: Regenerate.
 104
 105 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 106
 107         Update copyright years.
 108
 109         * libitm.texi: Bump @copying's copyright year.
 110
 111 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 112
 113         * Makefile.in: Regenerate.
 114         * acinclude.m4: Add enable.m4 and cet.m4.
 115         * config/x86/sjlj.S: Include cet.h.
 116         (_ITM_beginTransaction): Add _CET_ENDBR.
 117         Save Shadow Stack pointer.
 118         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 119         * config/x86/target.h (struct gtm_jmpbuf):
 120         Add new field for Shadow Stack pointer.
 121         * configure: Regenerate.
 122         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 123         * configure.ac: Update libtool_VERSION for x86.
 124         * testsuite/Makefile.in: Regenerate.
 125
 126 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 127
 128         * libitm/config/x86/target.h: Add new field (ssp).
 129         * libitm/config/x86/sjlj.S: Change offsets.
 130
 131 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 132
 133         * testsuite/lib/libitm.exp: Load scanlang.exp.
 134
 135 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 136
 137         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 138
 139 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 140
 141         PR other/79046
 142         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 143         of cat to get version from BASE-VER file.
 144         * testsuite/Makefile.in: Regenerated.
 145
 146 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 147
 148         * config/x86/target.h (htm_available): Determine vendor from
 149         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 150
 151 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 152
 153         * config/x86/target.h (htm_available): Add check for some processors
 154         on which TSX is broken.
 155
 156 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 157
 158         PR other/79046
 159         * configure.ac: Add GCC_BASE_VER.
 160         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 161         get version from BASE-VER file.
 162         * testsuite/Makefile.in: Regenerated.
 163         * configure: Regenerated.
 164         * Makefile.in: Regenerated.
 165
 166 2017-01-04  Alan Modra  <amodra@gmail.com>
 167
 168         * Makefile.in: Regenerate.
 169         * testsuite/Makefile.in: Regenerate.
 170
 171 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 172
 173         Update copyright years.
 174
 175         * libitm.texi: Bump @copying's copyright year.
 176
 177 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 178
 179         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 180         * aclocal.m4: Regenerate.
 181         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 182         LIBITM_CHECK_LINKER_HWCAP.
 183
 184 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 185
 186         * configure: Regenerate.
 187
 188 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 189
 190         PR libitm/70456
 191         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 192         on cache line if requested.
 193
 194 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 195
 196         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 197         function attribute to disable floating point in begin_transaction() on
 198         S/390.
 199         * beginend.cc (begin_transaction): Use
 200         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 201
 202 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 203
 204         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 205         boundary.
 206         (htm_fastpath): Remove.
 207         (gtm_thread::begin_transaction): Fix HTM fastpath.
 208         (_ITM_commitTransaction): Adapt.
 209         (_ITM_commitTransactionEH): Adapt.
 210         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 211         and accessors.
 212         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 213         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 214         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 215         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 216         * libitm/method-serial.cc (htm_mg): Adapt.
 217         (gtm_thread::serialirr_mode): Adapt.
 218         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 219
 220 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 221
 222         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 223         or AIX.
 224
 225 2016-01-19  Richard Henderson  <rth@redhat.com>
 226
 227         PR bootstrap/69343
 228         PR bootstrap/69339
 229         Revert:
 230         2016-01-13  Richard Henderson  <rth@redhat.com>
 231
 232         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 233         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 234         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 235         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 236         * configure.ac (ARCH_AARCH64): New conditional.
 237         (ARCH_PPC, ARCH_S390): Likewise.
 238         * Makefile.in, configure: Rebuild.
 239
 240         * libitm.h (_ITM_TYPE_M128): Always define.
 241         * vect64.cc: Split ...
 242         * vect128.cc: ... out of...
 243         * config/x86/x86_sse.cc: ... here.
 244         * config/arm/neon.cc: New file.
 245
 246 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 247
 248         * local_type_traits: Remove file.
 249         * libitm_i.h: Don't include it anymore.
 250         (sized_integral): Remove.
 251
 252 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 253
 254         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 255         safety.
 256         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 257         * libitm/testsuite/libitm.c/priv-1.c: New.
 258
 259 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 260
 261         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 262
 263 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 264
 265         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 266         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 267         (gtm_rwlock::write_unlock): Likewise.
 268
 269 2016-01-13  Richard Henderson  <rth@redhat.com>
 270
 271         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 272         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 273         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 274         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 275         * configure.ac (ARCH_AARCH64): New conditional.
 276         (ARCH_PPC, ARCH_S390): Likewise.
 277         * Makefile.in, configure: Rebuild.
 278
 279         * libitm.h (_ITM_TYPE_M128): Always define.
 280         * vect64.cc: Split ...
 281         * vect128.cc: ... out of...
 282         * config/x86/x86_sse.cc: ... here.
 283         * config/arm/neon.cc: New file.
 284
 285 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 286
 287         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 288         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 289         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 290         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 291         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 292         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 293         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 294         (serialirr_dispatch::snapshot_most_recent): New.
 295         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 296
 297 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 298
 299         * libitm_i.h (gtm_mask_stack): Remove.
 300         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 301         * stmlock.h: Remove file.
 302         * config/alpha/cacheline.h: Likewise.
 303         * config/generic/cacheline.h: Likewise.
 304         * config/powerpc/cacheline.h: Likewise.
 305         * config/sparc/cacheline.h: Likewise.
 306         * config/x86/cacheline.h: Likewise.
 307
 308 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 309
 310         Update copyright years.
 311
 312         * libitm.texi: Bump @copying's copyright year.
 313
 314 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 315
 316         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 317         (ml_wt_dispatch::pre_write): Adapt.
 318         (ml_wt_dispatch::pre_load): Likewise.
 319
 320 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 321
 322         * libitm_i.h (gtm_alloc_action): Remove union.
 323         * testsuite/libitm.c/alloc-1.c: New.
 324
 325 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 326
 327         * testsuite/libitm.c++/eh-5.C: New.
 328         * libitm.h (_ITM_cxa_free_exception): New.
 329         * libitm.map (_ITM_cxa_free_exception): Add it.
 330         * libitm.texi: Update ABI docs.
 331         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 332         (gtm_transaction_cp::cxa_uncaught_count): Add.
 333         (gtm_thread::cxa_unthrown): Remove.
 334         (gtm_thread::cxa_uncaught_count_ptr): Add.
 335         (gtm_thread::cxa_uncaught_count): Add.
 336         (gtm_thread::drop_references_allocations): Rename to...
 337         (gtm_thread::discard_allocation): ... this and adapt.
 338         (gtm_thread::init_cpp_exceptions): New.
 339         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 340         (gtm_thread::begin_transaction): Likewise.
 341         (gtm_transaction_cp::save): Likewise.
 342         (gtm_thread::trycommit): Likewise.
 343         * eh_cpp.cc: Add overview comments.
 344         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 345         (free_any_exception, _ITM_cxa_free_exception): New.
 346         (gtm_thread::init_cpp_exceptions): Define.
 347         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 348         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 349         (gtm_thread::revert_cpp_exceptions): Likewise.
 350
 351 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 352
 353         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 354         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 355         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 356         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 357         (gtm_thread::forget_allocations): New overload with size_t argument.
 358         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 359         adapt existing one.
 360         (gtm_thread::record_allocation): Adapt.
 361         (gtm_thread::commit_allocations_1): Adapt.
 362         (gtm_thread::commit_allocations_2): Adapt.
 363         * testsuite/libitm.c++/newdelete.C: New.
 364
 365 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 366             Joseph Myers  <joseph@codesourcery.com>
 367             Mark Shinwell  <shinwell@codesourcery.com>
 368             Andrew Stubbs  <ams@codesourcery.com>
 369             Rich Felker <dalias@libc.org>
 370
 371         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 372         GTM_begin_transaction for compatibility with FDPIC.
 373
 374 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 375
 376         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 377         using load_gcc_lib.
 378
 379 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 380
 381         PR libitm/61164
 382         * local_atomic (__always_inline): Rename to...
 383         (__libitm_always_inline): ... this.
 384
 385 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 386
 387         PR target/52482
 388         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 389
 390 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 391
 392         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 393         operands "op" and "val" to int.
 394
 395 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 396
 397         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 398         "op" and "val" to int.
 399
 400 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 401
 402         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 403         "op" and "val" to int.
 404
 405 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 406
 407         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 408         Declare as static int.
 409         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 410         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 411
 412 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 413
 414         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 415         sys_futex0 function.
 416
 417 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 418
 419         * Makefile.in: Regenerated with automake-1.11.6.
 420         * aclocal.m4: Likewise.
 421         * configure: Likewise.
 422         * testsuite/Makefile.in: Likewise.
 423
 424 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 425
 426         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 427         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 428
 429 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 430
 431         PR libitm/64360
 432         * libitm.c/stackundo.c (test2): Make it static.
 433         (test1): Likewise.
 434
 435 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 436
 437         Update copyright years.
 438
 439 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 440
 441         * libitm.texi: Bump @copying's copyright year.
 442
 443 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 444
 445         * testsuite/lib/libitm.exp: Load target-utils.exp.
 446         Move load of target-supports.exp earlier.
 447
 448 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 449
 450         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 451
 452 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 453
 454         PR bootstrap/63784
 455         * configure: Regenerated.
 456
 457 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 458
 459         PR target/63610
 460         * configure: Regenerate.
 461
 462 2014-10-06  Marek Polacek  <polacek@redhat.com>
 463
 464         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 465         * testsuite/libitm.c/memset-1.c: Likewise.
 466
 467 2014-07-24  Richard Henderson  <rth@redhat.com>
 468
 469         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 470         addressing mode in epilogue.
 471
 472 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 473
 474         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 475         -mclear-hwcap instead.
 476         * configure: Regenerate.
 477         * clearcap.map: Remove.
 478
 479 2014-05-21  John Marino  <gnugcc@marino.st>
 480
 481         * configure.tgt (*-*-dragonfly*): New target.
 482
 483 2014-05-19  Richard Henderson  <rth@redhat.com>
 484
 485         * config/aarch64/sjlj.S: New file.
 486         * config/aarch64/target.h: New file.
 487         * configure.tgt: Enable aarch64.
 488
 489 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 490
 491         * config/generic/asmcfi.h: Also check for
 492         __GCC_HAVE_DWARF2_CFI_ASM.
 493
 494 2013-04-02  Richard Henderson  <rth@redhat.com>
 495
 496         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 497         * config/arm/target.h, config/sh/target.h: Likewise.
 498         * config/sparc/target.h, config/x86/target.h: Likewise.
 499
 500 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 501
 502         * config/linux/futex_bits.h: Include errno.h.
 503         (sys_futex0): If syscall returns -1, return -errno rather than
 504         -1.
 505
 506 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 507
 508         * libitm.texi (Index): Rename to Library Index.
 509
 510 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 511
 512         PR libitm/53113
 513         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 514         (x86_avx.lo): Append -mavx to CXXFLAGS.
 515         * Makefile.in: Regenerate.
 516
 517 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 518
 519         Update copyright years
 520
 521 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 522
 523         * libitm.texi: Bump @copying's copyright year.
 524
 525 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 526
 527         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 528         (FUNC): Define ELFv2 variant.
 529         (END): Likewise.
 530         (HIDDEN): Likewise.
 531         (CALL): Likewise.
 532         (BASE): Likewise.
 533         (LR_SAVE): Likewise.
 534
 535 2013-09-20  Alan Modra  <amodra@gmail.com>
 536
 537         * configure: Regenerate.
 538
 539 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 540
 541         * config/posix/rwlock.cc: Fix initialization order.
 542
 543 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 544
 545         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 546         (htm_fastpath): Assign an asm name.
 547         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 548         HTM fast paths.
 549         (_ITM_actions): Likewise.
 550         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 551         x86_64.
 552         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 553         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 554         field to the start of the structure.
 555         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 556         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 557         handling for custom HTM fast paths.
 558
 559 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 560         Revert:
 561         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 562
 563         * configure.tgt: Add -msoft-float to XCFLAGS.
 564
 565 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 566
 567         * configure.tgt: Add -msoft-float to XCFLAGS.
 568
 569 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 570
 571         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 572         (htm_transaction_active): Enable zEC12 instructions in the
 573         assembler.
 574         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 575
 576 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 577
 578         * acinclude.m4: Add htm asm check for s390.
 579         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 580         * configure: Regenerate.
 581         * config/s390/target.h: Remove __HTM__ check.
 582         (htm_available): Call getauxval to get hwcaps and check whether
 583         HTM is available or not.
 584
 585 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 586
 587         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 588         * configure.ac: Use it.
 589         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 590         (AC_CHECK_FUNCS): Check for getauxval.
 591         * config.h.in, configure: Rebuild.
 592         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 593         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 594         (USE_HTM_FASTPATH): Define.
 595         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 596         _HTM_RETRIES) New macros.
 597         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 598         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 599
 600 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 601
 602         * config/s390/target.h: Include htmintrin.h.
 603         (_HTM_ITM_RETRIES): New macro definition.
 604         (htm_available, htm_init, htm_begin, htm_begin_success)
 605         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 606
 607 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 608             Cesar Philippidis  <cesar@codesourcery.com>
 609
 610         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 611         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 612         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 613         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 614
 615 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 616
 617         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 618         (_ITM_getTransactionId): Same.
 619         * config/x86/target.h (htm_transaction_active): New.
 620
 621 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 622
 623         PR libitm/57643
 624         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 625         the HTM fastpath.
 626
 627 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 628
 629         PR bootstrap/56714
 630         * local_atomic (__always_inline): Always define our version.
 631         (__calculate_memory_order): Mark inline.
 632         (atomic_thread_fence): Ditto.
 633         (atomic_signal_fence): Ditto.
 634         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 635         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 636         (atomic_bool::atomic_flag_test_and_set): Ditto.
 637         (atomic_bool::atomic_flag_clear): Ditto.
 638
 639 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 640
 641         * config/s390/sjlj.S: New file.
 642         * config/s390/target.h: New file.
 643         * configure.tgt: Set options for S/390.
 644
 645 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 646
 647         * local_atomic (__always_inline): Add.
 648         (__calculate_memory_order, atomic_thread_fence,
 649          atomic_signal_fence, test_and_set, clear, store, load,
 650          exchange, compare_exchange_weak, compare_exchange_strong,
 651          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 652         Add __always_inline to force inlining.
 653
 654 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 655             Jack Howarth  <howarth@bromo.med.uc.edu>
 656             Patrick Marlier  <patrick.marlier@gmail.com>
 657
 658         PR libitm/55693
 659         * alloc_cpp.cc: Enable function declarations on darwin.
 660         * eh_cpp.cc: Likewise.
 661
 662 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 663
 664         Update copyright years.
 665
 666 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 667
 668         * beginend.cc (htm_fastpath): New.
 669         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 670         _ITM_commitTransactionEH): Add HTM fastpath handling.
 671         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 672         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 673         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 674         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 675         * configure.tgt: Add -mrtm to XCFLAGS.
 676         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 677         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 678         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 679         * retry.cc (parse_default_method): Add HTM method parsing.
 680         (gtm_thread::number_of_threads_changed): Use HTM by default if
 681         available.
 682
 683 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 684
 685         * configure: Regenerate.
 686
 687 2012-10-31  Richard Henderson  <rth@redhat.com>
 688
 689         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 690         * configure.ac: Use it.
 691         * config.h.in, configure: Rebuild.
 692         * testsuite/Makefile.in: Rebuild.
 693
 694 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 695
 696         * libitm.texi: Clarify ABI requirements for data-logging functions.
 697
 698 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 699
 700         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 701         it requires serial mode instead of assuming that for certain
 702         dispatchs.
 703         * dispatch.h (abi_dispatch::requires_serial): New.
 704         (abi_dispatch::abi_dispatch): Adapt.
 705         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 706         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 707         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 708         serial_dispatch::serial_dispatch,
 709         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 710
 711 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 712
 713         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 714         and ia32 declarations some more.
 715         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 716
 717 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 718
 719         PR other/43620
 720         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 721         * configure: Regenerate.
 722         * Makefile.in: Regenerate.
 723
 724 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 725
 726         * configure: Regenerated.
 727
 728 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 729
 730         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 731
 732 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 733
 734         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 735
 736 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 737
 738         * configure: Regenerated.
 739
 740 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 741
 742         PR libitm/52854
 743         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 744         for x86-64.
 745
 746 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 747
 748         * configure: Regenerate.
 749
 750 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 751
 752         PR bootstrap/52812
 753         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 754
 755 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 756
 757         * testsuite/lib/libitm.exp: load fortran-modules.exp
 758
 759 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 760
 761         * configure.tgt (*-*-irix6*): Remove.
 762
 763 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 764
 765         PR libitm/52526
 766         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 767         wake-up.
 768
 769 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 770
 771         * configure.tgt (*-*-osf*): Remove.
 772         * configure: Regenerate.
 773
 774 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 775
 776         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 777         memtransfer/memset if size isn't larger than zero.
 778
 779 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 780
 781         * libitm.texi: Link to specification and add a usage example.
 782
 783 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 784
 785         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 786         default dispatch for more than 1 thread to ml_wt.
 787
 788 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 789
 790         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 791
 792 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 793
 794         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 795
 796 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 797
 798         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 799         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 800         (gl_wt_dispatch.rollback): Same.
 801
 802 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 803
 804         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 805
 806 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 807
 808         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 809         for RfW src.  Optimize number of calls to gtm_thr.
 810
 811 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 812
 813         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 814         acquisition to ...
 815         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 816         (default_dispatch): Make atomic.
 817         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 818         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 819         use decide_begin_dispatch() if default_dispatch might have changed.
 820         (GTM::gtm_thread::number_of_threads_changed): Initialize
 821         default_dispatch here.
 822
 823 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 824             Patrick Marlier  <patrick.marlier@gmail.com>
 825
 826         PR libitm/52220
 827         * alloc_cpp.cc: No dummy definitions for darwin.
 828         * eh_cpp.cc: Likewise.
 829
 830 2012-02-14  Richard Henderson  <rth@redhat.com>
 831
 832         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 833
 834 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 835
 836         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 837
 838 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 839
 840         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 841         (GTM::gtm_thread): Add read and write logs.
 842         (GTM::dispatch_ml_wt): Declare.
 843         * retry.cc (parse_default_method): Support ml_wt.
 844         * method-ml.cc: New file.
 845         * Makefile.am: Add method-ml.cc.
 846         * Makefile.in: Regenerate.
 847
 848 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 849
 850         * dispatch.h (GTM::abi_dispatch::supports): New.
 851         (GTM::method_group::reinit): New.
 852         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 853         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 854         supports the current situation.
 855
 856 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 857
 858         * util.cc (GTM::xcalloc): New.
 859         * common.h (GTM::xcalloc): Declare.
 860
 861 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 862
 863         * config/sparc/target.h (cpu_relax): Read from CC register.
 864         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 865
 866 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 867
 868         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 869
 870 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 871
 872         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 873         * config/sparc/cacheline.h: New file.
 874         * config/sparc/target.h: Likewise.
 875         * config/sparc/sjlj.S: Likewise.
 876         * config/linux/sparc/futex_bits.h: Likewise.
 877
 878 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 879
 880         * configure.ac (link_itm): Fix comment.
 881         * configure: Regenerate.
 882         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 883
 884 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 885
 886         PR libitm/51822
 887         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 888         Correct libgomp references.
 889
 890 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 891
 892         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 893         wake-up.
 894
 895 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 896
 897         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 898         end of structure.
 899         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 900         offset values.  Do not copy return address.  Decrement stack
 901         by 56 bytes only.
 902         (GTM_longjump) [__x86_64__]: Update offset values.
 903
 904 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 905
 906         PR libitm/51830
 907         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 908         the first function argument to %eax.
 909
 910 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 911
 912         * libitm.h (_ITM_getThreadnum): Remove.
 913         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 914
 915 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 916
 917         * clearcap.map: New file.
 918         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 919         * configure.ac: Call it.
 920         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 921         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 922         * configure: Regenerate.
 923         * Makefile.in: Regenerate.
 924         * testsuite/Makefile.in: Regenerate.
 925
 926 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 927
 928         PR libitm/51173
 929         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 930         include, exclude options.
 931
 932 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 933
 934         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 935         rolling back.
 936         * containers.h (GTM::vector::set_size): New.
 937
 938 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 939
 940         PR libitm/51855
 941         * config/generic/tls.h (GTM::mask_stack_top): New.
 942         (GTM::mask_stack_bottom): Declare.
 943         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 944         * local.cc (gtm_undolog::rollback): Filter out any updates that
 945         overlap the libitm stack.  Add current transaction as parameter.
 946         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 947         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 948         * testsuite/libitm.c/stackundo.c: New test.
 949
 950 2012-01-10  Richard Henderson  <rth@redhat.com>
 951
 952         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 953         * eh_cpp.cc (_Unwind_DeleteException): Define for
 954         !HAVE_ELF_STYLE_WEAKREF.
 955
 956 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 957
 958         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 959         (GTM::gtm_thread::drop_references_undolog): Remove.
 960         (GTM::gtm_thread::commit_undolog,
 961         GTM::gtm_thread::rollback_undolog): Move to ...
 962         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 963         (GTM::gtm_undolog_entry): Remove.
 964         (GTM::gtm_thread): Adapt.
 965         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 966         (GTM::gtm_thread::trycommit): Adapt.
 967         * method-serial.cc (serial_dispatch::log): Adapt.
 968         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 969         (gl_wt_dispatch::store): Fix likely/unlikely.
 970         * containers.h (GTM::vector::resize): Add additional_capacity
 971         parameter and handle it.
 972         (GTM::vector::resize_noinline): New/adapt.
 973         (GTM::vector::push): New.
 974
 975 2012-01-06  Richard Henderson  <rth@redhat.com>
 976
 977         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 978         * config/linux/powerpc/futex_bits.h: New file.
 979         * config/powerpc/cacheline.h: New file.
 980         * config/powerpc/sjlj.S: New file.
 981         * config/powerpc/target.h: New file.
 982         * config/generic/asmcfi.h (cfi_offset): New.
 983         (cfi_restore, cfi_undefined): New.
 984
 985 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 986
 987         PR other/51171
 988         * testsuite/libitm.c/reentrant.c: Remove xfail.
 989         (thread): Pass x to pure().
 990         From Patrik Marlier <patrick.marlier@gmail.com>.
 991
 992 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 993
 994         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 995         privatization safety if already in serial mode.
 996
 997 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 998
 999         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1000         finish_serial_upgrade parameter.
1001         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1002         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1003         Don't unset reader flag.
1004         (GTM::gtm_rwlock::write_upgrade_finish): New.
1005         * config/posix/rwlock.cc: Same.
1006         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1007         Declare.
1008         * config/posix/rwlock.h: Same.
1009         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1010         flag after commit or after rollback when restarting.
1011
1012 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1013
1014         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1015         (GTM::gtm_thread::try_commit): Changed memory order.
1016         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1017         as parameter.
1018         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1019         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1020         * config/linux/futex_bits.h (sys_futex0): Same.
1021         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1022         * config/linux/futex.h (futex_wait, futex_wake): Same.
1023         * config/linux/rwlock.h (gtm_rwlock::writers,
1024         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1025         ints.
1026         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1027         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1028         gtm_rwlock::write_unlock): Fix memory orders and fences.
1029         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1030         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1031         gtm_rwlock::write_unlock): Same.
1032         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1033         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1034         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1035         Add comments.
1036         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1037         gl_wt_dispatch::load, gl_wt_dispatch::store,
1038         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1039         orders and fences.  Add comments.
1040
1041 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1042
1043         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1044         * Makefile.in: Regenerated.
1045
1046 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1047
1048         * configure.tgt: Add sh* case.
1049         * config/sh/target.h: New file.
1050         * config/sh/sjlj.S: New file.
1051         * config/linux/sh/futex_bits.h: New file.
1052
1053 2011-12-14  Richard Henderson  <rth@redhat.com>
1054
1055         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1056         * config/arm/sjlj.S, config/arm/target.h: New files.
1057         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1058         (cfi_rel_offset): New.
1059         * config/linux/futex_bits.h: New file.
1060         * config/linux/futex.cc: Include futex_bits.h here...
1061         * config/linux/futex.h: ... not here.
1062         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1063         * configure.ac (ARCH_AM): New conditional.
1064         * Makefile.in, configure: Rebuild.
1065         * configure.tgt: Handle ARM.
1066
1067 2011-12-13  Richard Henderson  <rth@redhat.com>
1068
1069         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1070         signed/unsigned comparison werror.
1071
1072         * local_atomic: New file.
1073         * libitm_i.h: Include it.
1074         (gtm_thread::shared_state): Use atomic template.
1075         * beginend.cc (GTM::gtm_clock): Use atomic template.
1076         (global_tid): Use atomic template if 64-bit atomics available.
1077         (gtm_thread::gtm_thread): Update shared_state access.
1078         (gtm_thread::trycommit): Likewise.
1079         (choose_code_path): Update global_tid access.
1080         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1081         * stmlock.h (GTM::gtm_clock): Use atomic template.
1082         (gtm_get_clock, gtm_inc_clock): Update accesses.
1083         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1084         redundant __sync_synchronize after atomic shared_state access.
1085         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1086         (gtm_rwlock::write_lock_generic): Likewise.
1087         (gtm_rwlock::read_unlock): Likewise.
1088         * config/alpha/target.h (atomic_read_barrier): Remove.
1089         (atomic_write_barrier): Remove.
1090         * config/x86/target.h (atomic_read_barrier): Remove.
1091         (atomic_write_barrier): Remove.
1092
1093 2011-11-30  Richard Henderson  <rth@redhat.com>
1094
1095         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1096         * beginend.c (_ITM_abortTransaction): Update to match.
1097         (GTM::gtm_thread::restart): Likewise.
1098         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1099         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1100
1101 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1102
1103         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1104         * Makefile.in: Regenerate.
1105
1106 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1107
1108         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1109         * alloc_cpp.cc: Generate dummy functions if we don't
1110         HAVE_ELF_STYLE_WEAKREF.
1111         * eh_cpp.cc: Likewise.
1112         * configure: Regenerate.
1113         * aclocal.m4:  Likewise.
1114         * config.h.in: Likewise.
1115         * Makefile.in: Likewise.
1116         * testsuite/Makefile.in: Likewise.
1117
1118 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1119
1120         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1121         __USER_LABEL_PREFIX__ for targets that use it.
1122         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1123         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1124         in portability to non-elf targets.
1125         (GTM_longjmp): Likewise.
1126         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1127         where required.
1128
1129 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1130
1131         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1132         * testsuite/libitm.c/memset-1.c: Likewise.
1133
1134 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1135
1136         * configure: Regenerate.
1137
1138 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1139
1140         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1141         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1142         * Makefile.am: Handle sun style versioning.
1143         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1144         * configure: Regenerate.
1145         * Makefile.in: Regenerate.
1146
1147 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1148
1149         * config/generic/asmcfi.h: Fix comment.
1150         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1151         sequence without .hidden support, error for non-ELF targets.
1152         (GTM_longjmp) [__ELF__]: Only use .hidden if
1153         HAVE_ATTRIBUTE_VISIBILITY.
1154
1155 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1156
1157         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1158         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1159         Dummy functions.
1160         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1161         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1162
1163 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1164
1165         PR bootstrap/51098
1166         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1167         * configure: Regenerate.
1168
1169 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1170
1171         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1172
1173 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1174
1175         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1176         .hidden.
1177         (.note.GNU-stack): Only use if __linux__.
1178         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1179         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1180         * testsuite/libitm.c/reentrant.c: Likewise.
1181         * testsuite/libitm.c/simple-2.c: Likewise.
1182         * testsuite/libitm.c/txrelease.c: Likewise.
1183         * testsuite/libitm.c++/static_ctor.C: Likewise.
1184
1185 2011-11-10  Richard Henderson  <rth@redhat.com>
1186
1187         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1188         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1189         * configure.ac (ARCH_X86_AVX): New conditional.
1190         * Makefile.in, configure: Rebuild.
1191
1192 2011-11-09  Richard Henderson  <rth@redhat.com>
1193
1194         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1195         * configure.ac: Use it.
1196         * config.h.in, configure: Rebuild.
1197         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1198
1199 2011-11-09  Richard Henderson  <rth@redhat.com>
1200
1201         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1202         * config/alpha/unaligned.h: Remove file.
1203         * config/generic/unaligned.h: Remove file.
1204         * config/x86/unaligned.h: Remove file.
1205         * config/generic/cachepage.h: Remove file.
1206         * config/posix/cachepage.cc: Remove file.
1207         * config/generic/cacheline.cc: Remove file.
1208         * config/x86/cacheline.cc: Remove file.
1209         * config/generic/cacheline.h (gtm_cacheline): Remove the
1210         store_mask, copy_mask, copy_mask_wb methods.
1211         * config/x86/cacheline.h: Likewise.
1212         * config/alpha/cacheline.h: Fall back to generic after setting size.
1213         * config/generic/tls.cc (gtm_mask_stack): Remove.
1214         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1215         (GTM_vpalignr_table): Remove.
1216         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1217         (GTM_pshift_table): Remove.
1218         * config/libitm_i.h: Don't include cachepage.h.
1219         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1220         * Makefile.in, testsuite/Makefile.in: Rebuild.
1221
1222 2011-11-09  Richard Henderson  <rth@redhat.com>
1223
1224         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1225         to emit branch prediction hint.
1226
1227         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1228         Protect .note.GNU-stack with __linux__.
1229
1230         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1231         * configure, aclocal.m4, config.h.in: Rebuild.
1232         * config/generic/asmcfi.h: New file.
1233         * config/x86/sjlj.S: Use it.
1234
1235 2011-11-08  Richard Henderson  <rth@redhat.com>
1236
1237         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1238
1239 2011-11-08  Richard Henderson  <rth@redhat.com>
1240
1241         * configure.tgt: Test correct directory for supported cpus.
1242
1243         * configure.ac: Exit if unsupported.
1244         * configure: Rebuild.
1245         * configure.tgt: Delete boilerplate from libgomp for unsupported
1246         targets.  Set UNSUPPORTED for unsupported targets.
1247
1248 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1249
1250         * configure.tgt: Handle i386 like i[456]86.
1251         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1252         take address.
1253         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1254         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1255
1256 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1257
1258         * method-wbetl.cc: Update copyright notice.
1259         * aatree.cc: Same.
1260         * util.cc: Same.
1261         * libitm.h: Same.
1262         * memset.cc: Same.
1263         * eh_cpp.cc: Same.
1264         * barrier.tpl: Same.
1265         * useraction.cc: Same.
1266         * stmlock.h: Same.
1267         * memcpy.cc: Same.
1268         * common.h: Same.
1269         * config/generic/tls.cc: Same.
1270         * config/generic/cacheline.h: Same.
1271         * config/generic/cachepage.h: Same.
1272         * config/generic/cacheline.cc: Same.
1273         * config/generic/unaligned.h: Same.
1274         * config/x86/cacheline.h: Same.
1275         * config/x86/cacheline.cc: Same.
1276         * config/x86/unaligned.h: Same.
1277         * config/alpha/cacheline.h: Same.
1278         * config/alpha/unaligned.h: Same.
1279         * config/alpha/sjlj.S: Same.
1280         * config/posix/cachepage.cc: Same.
1281         * config/linux/futex.h: Same.
1282         * config/linux/alpha/futex_bits.h: Same.
1283
1284 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1285
1286         * libitm.texi: No cover text and invariant sections.
1287
1288 2011-11-03  Richard Henderson  <rth@redhat.com>
1289
1290         * local_type_traits: New file.
1291         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1292
1293 2011-11-03  Richard Henderson  <rth@redhat.com>
1294
1295         * configure.ac: Don't test for gfortran.
1296         * configure: Rebuild.
1297
1298         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1299         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1300
1301 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1302
1303         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1304         * testsuite/libitm.c/memset-1.c: Same.
1305         * testsuite/libitm.c/c.exp: Same.
1306         * testsuite/lib/libitm-dg.exp: Same.
1307         * testsuite/lib/libitm.exp: Same.
1308         * testsuite/libitm.c++/c++.exp: Same.
1309
1310 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1311
1312         * testsuite/config/default.exp: Update copyright date.
1313         * configure.ac: Add copyright info.
1314         * configure.tgt: Same.
1315
1316 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1317
1318         * testsuite/libitm.c/reentrant.c: XFAIL.
1319         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1320
1321 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1322
1323         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1324         handle aborts.
1325         (_ITM_abortTransaction): Handle aborts of outer transactions.
1326         * libitm_i.h: Same.
1327         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1328         * libitm.texi: Document aborts of outer transactions.
1329         * testsuite/libitm.c/cancel.c: New file.
1330
1331 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1332
1333         * testsuite/*: Change __transaction to __transaction_atomic or
1334         __transaction_relaxed.
1335
1336 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1337
1338         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1339         (gtm_thr): Same.
1340
1341 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1342
1343         * libitm_i.h: Add gl_wt dispatch.
1344         * retry.cc (parse_default_method): Same.
1345         * method-gl.cc: New file.
1346         * Makefile.am: Use method-gl.cc.
1347         * Makefile.in: Rebuild.
1348
1349 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1350
1351         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1352         safety if requested by a TM method.
1353         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1354         privatization safety.
1355         * method-serial.cc: Same.
1356
1357 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1358
1359         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1360         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1361         undolog-related member functions from *_local to *_undolog.
1362         * local.cc (gtm_thread::commit_undolog): Same.
1363         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1364         (GTM::gtm_thread::rollback): Roll back undolog before
1365         dispatch-specific rollback.
1366
1367 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1368
1369         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1370         re-initialization of the current method group.
1371         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1372
1373 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1374
1375         * alloc.cc (commit_allocations_2): Do not free transaction-local
1376         memory when committing a nested transaction.
1377
1378 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1379
1380         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1381         serial-irrevocable dispatch, not serial.
1382
1383 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1384
1385         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1386         declarations.
1387         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1388         * method-serial.cc: Implement begin_or_restart().
1389         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1390         dispatch-specific begin_or_restart().
1391         (GTM::gtm_thread::restart): Same.
1392
1393 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1394
1395         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1396         restarting without switching to serial mode.
1397         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1398         transaction state. Choose closed-nesting alternative if available.
1399         (GTM::gtm_thread::set_default_dispatch): New.
1400         (parse_default_method): New.
1401         (GTM::gtm_thread::number_of_threads_changed): New.
1402         * method-serial.cc (GTM::serial_mg): New method group class.
1403         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1404         fini.
1405         (GTM::serial_dispatch): Same.
1406         (GTM::serialirr_onwrite_dispatch): Same.
1407         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1408         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1409         registered threads.
1410         (GTM::gtm_thread::gtm_thread): Same.
1411         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1412         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1413         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1414         choose dispatch but set state according to dispatch here.
1415         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1416         (GTM::method_group): New class.
1417         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1418         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1419         * libitm.texi: Document TM methods, method groups, method life cycle.
1420         Rename method sets to method groups.
1421
1422 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1423
1424         * config/x86/tls.h: Moved to ...
1425         * config/linux/x86/tls.h: ... here.
1426
1427 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1428
1429         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1430         Add X32 support.
1431         * config/x86/sjlj.S: Same.
1432
1433 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1434
1435         * config/linux/rwlock.h: New file.
1436         * config/linux/rwlock.c: New file.
1437         * configure.ac: Reenable futex support (undo SVN rev 157758).
1438         * Makefile.am: Same.
1439         * configure.tgt: Same.
1440         * config/linux/alpha/futex_bits.h: Same.
1441         * config/linux/futex.h: Same. Return number of woken processes.
1442         * config/linux/futex.cc: Same.
1443         (futex_wait): Remove spinning.
1444         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1445         Use __x86_64__ instead of __LP64__.
1446         * aclocal.m4: Include generic futex checks.
1447         * configure: Rebuild.
1448         * Makefile.in: Rebuild.
1449         * testsuite/Makefile.in: Rebuild.
1450         * beginend.cc: Include pthread.h.
1451         * config/posix/cachepage.cc: Same.
1452
1453 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1454
1455         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1456         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1457         (set_gtm_thr): New.
1458         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1459         (set_gtm_thr): New.
1460         (GTM::gtm_thread::thread_num): Removed.
1461         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1462         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1463         tx-to-thread renaming.
1464         * beginend.cc: Adapted to tx-to-thread renaming.
1465         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1466         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1467         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1468         gtm_transaction to gtm_thread.
1469         (_ITM_getThreadnum): Removed. Not supported anymore.
1470         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1471         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1472         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1473         gtm_tx-to-gtm_thr renaming if necessary.
1474         * eh_cpp.cc: Same.
1475         * local.cc: Same.
1476         * retry.cc: Same.
1477         * clone.cc: Same.
1478         * alloc.cc: Same.
1479         * alloc_c.cc: Same.
1480         * alloc_cpp.cc: Same.
1481         * method-serial.cc: Same.
1482         * config/generic/tls.cc: Same.
1483         * config/posix/rwlock.h (gtm_rwlock): Same.
1484         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1485
1486 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1487
1488         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1489         implementation.
1490         (gtm_rwlock::read_unlock): Same.
1491         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1492         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1493         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1494         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1495         w_upgrade. Replaced by per-transaction flags (in shared_state).
1496         Added c_confirmed_writers.
1497         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1498         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1499         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1500         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1501         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1502         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1503         * libitm.texi: Document locking conventions and implementations in
1504         libitm.
1505
1506 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1507
1508         * libitm_i.h (next_tx): Add list of all threads' transaction.
1509         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1510         transaction with list of transactions and ...
1511         (thread_exit_handler): ... deregister here.
1512         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1513         * config/x86/target.h: Same.
1514
1515 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1516
1517         * testsuite/libitm.c++/static_ctor.C: New file.
1518
1519 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1520
1521         * testsuite/libitm.c/reentrant.c: New file.
1522
1523 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1524
1525         * config/generic/tls.h: Remove the free list for transactions and ...
1526         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1527         (GTM::gtm_transaction::operator delete): ... and release here.
1528         (thread_exit_handler): New. Delete tx when thread terminates.
1529         (thread_exit_init): New.
1530         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1531         * testsuite/libitm.c/txrelease.c: New file.
1532
1533 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1534
1535         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1536         * testsuite/libitm.c/notx.c: New file.
1537
1538 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1539
1540         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1541         * libitm_i.h (local_tid): ... to here.
1542         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1543         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1544
1545 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1546
1547         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1548         serialirr_onwrite_dispatch as new default for now.
1549         * method-serial.cc (serialirr_onwrite_dispatch): New.
1550         (GTM::dispatch_serialirr_onwrite): New.
1551         * libitm_i.h: Same.
1552
1553 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1554
1555         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1556         * query.cc (_ITM_getTransactionId): There is no active transaction if
1557         the current nesting level is zero.
1558
1559 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1560
1561         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1562         rollback.
1563
1564 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1565
1566         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1567         transaction properties from the caller instead of from the
1568         transaction object.
1569         * libitm_i.h: Same.
1570         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1571
1572 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1573
1574         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1575         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1576         * dispatch.h: Same.
1577         * method-serial.cc: Same.
1578         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1579         flat nesting as default, and closed nesting on demand.
1580         (GTM::gtm_transaction::rollback): Same.
1581         (_ITM_abortTransaction): Same.
1582         (GTM::gtm_transaction::restart): Same.
1583         (GTM::gtm_transaction::trycommit): Same.
1584         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1585         (choose_code_path): New.
1586         (GTM::gtm_transaction_cp::save): New.
1587         (GTM::gtm_transaction_cp::commit): New.
1588         * query.cc (_ITM_inTransaction): Support flat nesting.
1589         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1590         (GTM::gtm_transaction): Support flat and closed nesting.
1591         * alloc.cc (commit_allocations_2): New.
1592         (commit_cb_data): New helper struct.
1593         (GTM::gtm_transaction::commit_allocations): Handle nested
1594         commits/rollbacks.
1595         * libitm.texi: Update user action section, add description of nesting.
1596
1597 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1598
1599         * libitm_i.h: Add closed nesting as restart reason.
1600         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1601
1602 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1603
1604         * useraction.cc: Use vector instead of list to store actions.
1605         Also support partial rollbacks for closed nesting.
1606         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1607         * beginend.cc: Same.
1608
1609 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1610
1611         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1612         closed_nesting flags, as well as a closed nesting alternative.
1613         * method-serial.cc: Same.
1614         (serial_dispatch): Renamed to serialirr_dispatch.
1615         (GTM::dispatch_serialirr): Same.
1616         (serial_dispatch_ul): Renamed to serial_dispatch.
1617         (GTM::dispatch_serial): Same.
1618
1619 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1620
1621         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1622
1623 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1624
1625         * aatree.h (aa_tree::remove): New.
1626         (aa_tree::operator new): Add placement new.
1627
1628 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1629
1630         * containers.h: New file.
1631         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1632         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1633         * common.h: ... to here.
1634         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1635         * local.cc: Same.
1636
1637 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1638
1639         * libitm_i.h (STATE_ABORTING): Remove.
1640         * beginend.cc (_ITM_abortTransaction): Same.
1641         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1642         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1643         (_ITM_rollbackTransaction): Remove.
1644         * beginend.cc: Same.
1645         * libitm.map: Same.
1646         * libitm.texi: Document these ABI changes.
1647
1648 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1649
1650         * libitm.texi: New file.
1651         * Makefile.am: Add libitm.texi.
1652         * Makefile.in: Rebuild.
1653
1654 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1655
1656         * libitm_i.h: Move parts to common.h and dispatch.h.
1657         * common.h: New file.
1658         * dispatch.h: New file, new dispatch class.
1659         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1660         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1661         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1662         decision to retry.cc.
1663         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1664         only.
1665         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1666         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1667         logging.
1668         * barrier.cc: Use new barriers definitions.
1669         (abi_dispatch::memmove_overlap_check): New.
1670         * config/x86/x86_sse.cc: Same.
1671         * config/x86/x86_avx.cc: Same.
1672         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1673         memcpy.cc.
1674         * Makefile.in: Rebuild.
1675         * method-readonly.cc: Remove.
1676         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1677         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1678
1679 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1680
1681         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1682         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1683         * testsuite/libitm.c/dropref-2.c: Same.
1684         * testsuite/libitm.c/dropref.c: Same.
1685
1686 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1687
1688         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1689         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1690         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1691         * alloc_c.cc: Same.
1692         * barrier.tpl: Same.
1693         * beginend.c: Same.
1694         * config/generic/tls.h: Same.
1695         * config/x86/tls.h: Same.
1696         * libitm_i.h: Same.
1697         * memcpy.cc: Same.
1698         * memset.cc: Same.
1699         * method-readonly.cc: Same.
1700         * method-serial.cc: Same.
1701         * method-wbetl.cc: Same.
1702         * retry.cc: Same.
1703
1704 2011-03-03  Richard Henderson  <rth@redhat.com>
1705
1706         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1707         From Patrik Marlier <patrick.marlier@unine.ch>.
1708
1709 2011-02-03  Richard Henderson  <rth@redhat.com>
1710
1711         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1712         * configure.ac: Use it.
1713         * configure, config.h.in: Rebuild.
1714         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1715         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1716         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1717         * libitm.map: Use wildcards to match size_t mangling.
1718
1719 2010-12-14  Richard Henderson  <rth@redhat.com>
1720
1721         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1722         blocks of TIDs per thread.
1723         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1724         (setup_gtm_thr): Return the thread structure.
1725         * config/x86/tls.h (setup_gtm_thr): Likewise.
1726
1727 2010-12-14  Richard Henderson  <rth@redhat.com>
1728
1729         * clone.cc (table_lock): Remove.
1730         (find_clone): Don't take it.
1731         (ExcludeTransaction): New helper class.
1732         (_ITM_registerTMCloneTable): Use it.
1733         (_ITM_deregisterTMCloneTable): Likewise.
1734
1735 2010-12-14  Richard Henderson  <rth@redhat.com>
1736
1737         * config/x86/tls.h: New file.
1738
1739 2010-07-15  Richard Henderson  <rth@redhat.com>
1740
1741         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1742         * Makefile.in: Rebuild.
1743
1744 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1745
1746         * method-wbetl.cc (trydropreference): Fix source line.
1747
1748 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1749
1750         * libitm.h: Add comment.
1751         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1752
1753 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1754
1755         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1756         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1757         available, use pthread mutexes.
1758         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1759         * config.h.in: Regenerate.
1760         * configure: Regenerate.
1761
1762 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1763
1764         * libitm.h (ITM_PURE): Define.
1765         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1766
1767 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1768
1769         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1770         (validate): Add comment.
1771         (trydropreference): New.
1772         * method-readonly.cc (class readonly_dispatch): Add
1773         trydropreference.
1774         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1775         Call trydropreference().
1776         * libitm.h (_ITM_dropReferences): Remove const attribute.
1777         * method-serial.cc (class serial_dispatch): Add trydropreference.
1778         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1779
1780 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1781
1782         * memcpy.cc (do_memcpy): Comment.
1783
1784 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1785
1786         * barrier.tpl: Add comments throughout.
1787
1788 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1789
1790         * method-wbetl.cc (struct w_entry): Add comments.
1791         (trycommit): Same.
1792         (rollback): Same.
1793
1794 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1795
1796         * alloc_c.cc (_ITM_dropReferences): New.
1797         * libitm.map (_ITM_dropReferences): Add.
1798         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1799         * libitm_i.h (struct gtm_transaction): Declare
1800         drop_references_allocations and drop_references_local.
1801         * local.cc (rollback_local): Ignore memory when applicable.
1802         (drop_references_local): New.
1803
1804 2010-06-23  Richard Henderson  <rth@redhat.com>
1805
1806         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1807         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1808         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1809         * config/alpha/target.h: Likewise.
1810         * config/generic/tls.cc (gtm_mask_stack): Use it.
1811
1812 2010-06-23  Richard Henderson  <rth@redhat.com>
1813
1814         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1815         a mutex instead of trying a lock-free compare-and-swap on the list.
1816         (gtm_cacheline_page::operator delete): Likewise.
1817
1818 2010-06-16  Richard Henderson  <rth@redhat.com>
1819
1820         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1821         that overlap the libitm stack.
1822         * barrier.tpl: Mark incoming stack.
1823         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1824         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1825         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1826         * memcpy.cc, memset.cc: Likewise.
1827         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1828         * config/generic/tls.h (gtm_thread): Add stack_top member.
1829         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1830         * libitm_i.h (gtm_mask_stack): Declare.
1831         * config/generic/tls.cc: New file.
1832         * Makefile.am (libitm_la_SOURCES): Add it.
1833         (AM_CXXFLAGS): Turn off exceptions.
1834         * Makefile.in: Rebuild.
1835
1836 2010-06-16  Richard Henderson  <rth@redhat.com>
1837
1838         * alloc.cc (struct gtm_alloc_action): Move definition ...
1839         * libitm_i.h: ... here.
1840         (class gtm_transaction): Declare new and delete.
1841         * beginend.cc (alloc_tx): Reformulate as operator new.
1842         (free_tx): Reformulate as operator delete.
1843         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1844
1845 2010-06-11  Richard Henderson  <rth@redhat.com>
1846
1847         * clone.cc (clone_entry_compare): Fix typo.
1848         From Patrik Marlier <patrick.marlier@unine.ch>.
1849
1850 2010-05-13  Richard Henderson  <rth@redhat.com>
1851
1852         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1853         in extern "C".
1854
1855 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1856
1857         * libitm_i.h (struct gtm_transaction): Remove
1858         get_allocation_size.
1859         (record_allocation): Remove size parameter.
1860         * libitm.map (_ITM_realloc): Remove.
1861         * alloc_c.cc (_ITM_realloc): Remove.
1862         (_ITM_malloc): Remove size argument to record_allocation.
1863         (_ITM_calloc): Same.
1864         * alloc_cpp.cc (_ZGTtnwm): Same.
1865         (_ZGTtnwmRKSt9nothrow_t): Same.
1866         (_ZGTtnam): Same.
1867         (_ZGTtnamRKSt9nothrow_t): Same.
1868         * alloc.cc (struct gtm_alloc_action): Remove size.
1869         (get_allocation_size): Remove.
1870         (commit_allocations): Add comment.
1871         (record_allocation): Remove size parameter.
1872         (forget_allocation): Remove set of size.
1873
1874 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1875
1876         * Makefile.am (abi_version): New.
1877         (AM_CXXFLAGS): Pass abi_version.
1878         * Makefile.in: Regenerate.
1879         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1880
1881 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1882
1883         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1884         _ITM_getTMCloneOrIrrevokable.
1885         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1886         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1887
1888 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1889
1890         * configure.ac: Remove Linux futex support.
1891         * configure.tgt (config_path): Same.
1892         * Makefile.am: Same.
1893         * config/linux: Remove entire directory.
1894         * configure: Rebuild.
1895         * Makefile.in: Rebuild.
1896         * testsuite/Makefile.in: Rebuild.
1897
1898 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1899
1900         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1901         switching to serial mode.
1902         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1903
1904 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1905
1906         * configure.tgt: Add emacs -*- tags.
1907         * barrier.tpl: Same.
1908
1909 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1910
1911         * Makefile.am: Rename serial.cc to method-serial.cc.
1912         * Makefile.in: Regenerate with automake 1.11.1.
1913         * testsuite/Makefile.in: Same.
1914         * aclocal.m4: Regenerate with aclocal 1.11.1.
1915         * method-serial.cc: Rename from serial.cc.
1916         * libitm_i.h (struct gtm_transaction): Update comment on
1917         serialirr_mode.
1918
1919 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1920
1921         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1922         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1923
1924 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1925
1926         * configure: Rebuild.
1927
1928 2009-11-12  Richard Henderson  <rth@redhat.com>
1929
1930         * Rewrite everything in C++.
1931
1932 2009-11-03  Richard Henderson  <rth@redhat.com>
1933
1934         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1935         * Makefile.am (libitm_la_SOURCES): Add them.
1936         * configure.ac (ARCH_X86): New conditional.
1937         * Makefile.in, configure: Rebuild.
1938         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1939         Move futex setup into "other system configury" case.
1940         * local.c (rollback_local): Merge into ...
1941         (GTM_rollback_local): ... here.
1942         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1943         (_ITM_LB): Define as an alias to GTM_LB.
1944
1945 2009-11-03  Richard Henderson  <rth@redhat.com>
1946
1947         * method-readonly.c: New file.
1948         * Makefile.am (libitm_la_SOURCES): Add it.
1949         * Makefile.in: Rebuild.
1950         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1951         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1952         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1953         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1954         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1955         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1956         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1957         gtm_get_clock, gtm_inc_clock): New.
1958         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1959         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1960         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1961         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1962         replace uses with new libitm_i.h symbols.
1963         (dispatch_wbetl): Rename from wbetl_dispatch.
1964         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1965         away from dispatch_readonly; abort if the beginTransaction call
1966         asserted that the transaction was readonly.
1967
1968 2009-11-03  Richard Henderson  <rth@redhat.com>
1969
1970         * memset.c: New file.
1971         * Makefile.am (libitm_la_SOURCES): Add it.
1972         * Makefile.in: Rebuild.
1973         * testsuite/libitm.c/memset-1.c: New.
1974
1975 2009-11-03  Richard Henderson  <rth@redhat.com>
1976
1977         * dispatch.c: Remove file.
1978         * useraction.c (struct gtm_user_action): Move from libitm.h.
1979         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1980         (serial_memset, serial_memmove, serial_memcpy): Remove.
1981         (serial_W*, serial_R*): Remove.
1982         (serial_dispatch): Update to match.
1983         * configure.ac: Move Werror down below configure checks.  Don't
1984         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1985         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1986         Use GCC_AC_FUNC_MMAP_BLACKLIST
1987         * libitm.h: Split out all internal items to...
1988         * libitm_i.h: ... here.  New file.
1989         * copymask.c: New file.
1990         * local.c (struct gtm_local_undo): Move from libitm.h.
1991         (GTM_alloc_local): Rename from alloc_local; export.
1992         * memcpy.c: New file.
1993         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1994         * config/posix/page.c: New file.
1995         * config/posix/target_tls.h: Remove file.
1996         * barrier.c: New file.
1997         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1998         copymask.c, page.c.
1999         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2000         * method-wbetl.c: Rewrite for new cacheline methods.
2001         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2002
2003         * config/alpha/sjlj.S: Fix typo.
2004         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2005         * config/alpha/copymask.c: New file.
2006         * config/alpha/target.h (CACHELINE_SIZE): New.
2007         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2008
2009         * config/x86/target_i.h: Copy functions from x86/target.h.
2010         * config/x86/copymask.c: New file.
2011         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2012         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2013         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2014         * config/x86/target_tls.h: Move contents to target_i.h.
2015
2016         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2017         * testsuite/libitm.c/memcpy-1.c: New.
2018
2019 2009-10-22  Richard Henderson  <rth@redhat.com>
2020
2021         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2022         (AM_CCASFLAGS): New.
2023         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2024         saving/restoring _AC_ARG_VAR_PRECIOUS.
2025         * Makefile.in, aclocal.m4, config.h.in, configure,
2026         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2027
2028 2009-10-22  Richard Henderson  <rth@redhat.com>
2029
2030         * testsuite/*: Update for new compiler syntax.
2031
2032 2009-10-21  Richard Henderson  <rth@redhat.com>
2033
2034         * libitm.h (_ITM_abortReason): Add outerAbort.
2035
2036 2009-08-03  Richard Henderson  <rth@redhat.com>
2037
2038         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2039         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2040         * method-wbetl.c (struct w_entry): Remove mask.
2041         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2042         adjust all callers.
2043
2044 2009-07-22  Richard Henderson  <rth@redhat.com>
2045
2046         * eh_cpp.c: New file.
2047         * Makefile.am (libitm_la_SOURCES): Add it.
2048         * Makefile.in: Rebuild.
2049         * beginend.c (GTM_rollback_transaction): Undo exception state.
2050         (GTM_trycommit_transaction): Mark inline.
2051         (GTM_trycommit_and_finalize_transaction): Split out from ...
2052         (_ITM_commitTransaction): ... here.
2053         (_ITM_commitTransactionEH): New function.
2054         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2055         cxa_unthrown, eh_in_flight; reorder.
2056
2057         * testsuite/libitm.c++/c++.exp: New.
2058         * testsuite/libitm.c++/eh-1.C: New.
2059
2060         * aatree.c (aa_free): Remove REGPARM.
2061         * aatree.h: Remove all REGPARM.
2062
2063 2009-07-18  Richard Henderson  <rth@redhat.com>
2064
2065         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2066         * Makefile.am (libitm_la_SOURCES): Add them.
2067         * Makefile.in: Rebuild.
2068         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2069         (GTM_trycommit_transaction): Likewise.
2070         * libitm.h: Include aatree.h
2071         (struct gtm_alloc_action): New.
2072         (struct gtm_transaction): Add alloc_actions.
2073         (GTM_record_allocation, GTM_forget_allocation): Declare.
2074         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2075         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2076         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2077         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2078         _ZGTtdaPvRKSt9nothrow_t): Export.
2079
2080 2009-07-18  Richard Henderson  <rth@redhat.com>
2081
2082         * target_tls.h: Move ...
2083         * config/posix/target_tls.h: ... here.
2084
2085 2009-07-07  Richard Henderson  <rth@redhat.com>
2086
2087         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2088
2089 2009-07-07  Richard Henderson  <rth@redhat.com>
2090
2091         * Update to GPL3.
2092
2093 2009-07-07  Richard Henderson  <rth@redhat.com>
2094
2095         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2096         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2097
2098         * configure.tgt: Don't use -ftls-model for x86 linux.
2099         * libitm.h: Include target.h after standard includes.
2100         (_gtm_thr): Rename from gtm_thr.
2101         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2102         (gtm_disp, set_gtm_disp): New.
2103         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2104         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2105         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2106
2107 2009-07-07  Richard Henderson  <rth@redhat.com>
2108
2109         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2110
2111 2009-07-06  Richard Henderson  <rth@redhat.com>
2112
2113         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2114         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2115         (_ITM_beginTransaction): Take variadic arguments.
2116         (_ITM_registerThrownObject): Declare.
2117         * beginend.c, serial.c: Update.
2118         * libitm.map: Add _ITM_registerThrownObject.
2119
2120 2009-01-28  Richard Henderson  <rth@redhat.com>
2121
2122         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2123         * Makefile.in: Rebuild.
2124         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2125         (GTM_restart_transaction): Fix uninstrumented code check.
2126         * retry.c (GTM_decide_retry_strategy): Add serial check.
2127         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2128         automatically go irrevokable when in serial mode.
2129         * clone.c: New file.
2130         * libitm.h, libitm.map: Update.
2131
2132 2009-01-27  Richard Henderson  <rth@redhat.com>
2133
2134         * Makefile.am (LTCCASCOMPILE): Define.
2135         (libitm_la_SOURCES): Add methid-wbetl.c.
2136         * testsuite/Makefile.am: New
2137         * configure.ac: Add testsuite/Makefile.
2138         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2139         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2140         (_ITM_abortTransaction): Finalize implementation method; pass
2141         transaction properties to longjmp.
2142         (GTM_restart_transaction): Split out from ...
2143         (_ITM_commitTransaction): ... here.
2144         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2145         Move to config/x86/target.h.
2146         * config/linux/alpha/futex_bits.h: New.
2147         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2148         * config/x86/target.h: Disable target types for 32-bit.
2149         * config/alpha/sjlj.S, config/alpha/target.h: New.
2150         * libitm.h (struct gtm_dispatch): Add init, fini.
2151         (enum restart_reason): New.
2152         (struct gtm_transaction): Add method and restarts.
2153         * retry.c (GTM_decide_retry_strategy): Implement.
2154         * serial.c (serial_init, serial_fini): New.
2155         (GTM_serialmode): Finialize outgoing method.
2156         * method-wbetl.c: New.
2157
2158 2008-12-09  Richard Henderson  <rth@redhat.com>
2159
2160         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2161         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2162         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2163         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2164         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2165         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2166         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2167         * serial.c (serial_R##T, serial_W##T): Likewise.
2168
2169 2008-11-21  Richard Henderson  <rth@redhat.com>
2170
2171         * Initial commit.
2172 \f
2173 Copyright (C) 2008-2019 Free Software Foundation, Inc.
2174
2175 Copying and distribution of this file, with or without modification,
2176 are permitted in any medium without royalty provided the copyright
2177 notice and this notice are preserved.