libitm/ChangeLog

   1 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
   2
   3         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
   4
   5 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
   6
   7         * configure.tgt: Handle *-*-uclinux*.
   8         * configure: Regenerate.
   9
  10 2019-09-06  Florian Weimer  <fweimer@redhat.com>
  11
  12         * configure: Regenerate.
  13
  14 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
  15
  16         PR other/79543
  17         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
  18         scanning to conform to the GNU Coding Standards.
  19         * configure: Regenerate.
  20
  21 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
  22
  23         * Makefile.am (finclude): Remove.
  24         * Makefile.in: Regenerated.
  25
  26 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  27
  28         Update copyright years.
  29
  30 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  31
  32         * libitm.texi: Bump @copying's copyright year.
  33
  34 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
  35
  36         PR c++/88482
  37         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
  38         void * to void (*) (void *).
  39         (_ITM_cxa_throw): Likewise.
  40         * libitm.h (_ITM_cxa_throw): Likewise.
  41         * libitm.texi (_ITM_cxa_throw): Likewise.
  42
  43 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
  44
  45         * config/powerpc/target.h (htm_available):  Add support for
  46         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
  47
  48 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
  49
  50         PR bootstrap/82856
  51         * Makefile.am: Include multilib.am.
  52         (AUTOMAKE_OPTIONS): Add info-in-builddir.
  53         (CLEANFILES): Remove libitm.info.
  54         * configure.ac: Remove AC_PREREQ.
  55         * testsuite/Makefile.am (RUNTEST): Remove quotes.
  56         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
  57         Regenerate.
  58
  59 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
  60
  61         PR libitm/86293
  62         * method-serial.cc: Mark varible as potentially unused
  63         to silence warning.
  64
  65 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
  66
  67         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
  68         absolute relocation in a shared library.
  69
  70 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
  71
  72         PR libitm/85988
  73         * config/linux/x86/tls.h (SEG_READ): Use the offset of
  74         __private_tm as base.
  75         (SEG_WRITE): Likewise.
  76         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
  77         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
  78         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
  79         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
  80         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
  81
  82 2018-05-17  Jason Merrill  <jason@redhat.com>
  83
  84         * beginend.cc (save): Disable -Werror=deprecated-copy.
  85
  86 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  87
  88         PR testsuite/85106
  89         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
  90
  91 2018-05-02  Tom de Vries  <tom@codesourcery.com>
  92
  93         PR testsuite/85106
  94         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
  95
  96 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
  97
  98         * config/x86/sjlj.S (_ITM_beginTransaction): Add
  99         (__CET__ & 2) != 0 check for shadow stack.
 100         (GTM_longjmp): Likewise.
 101
 102 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 103
 104         * configure: Regenerated.
 105
 106 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 107
 108         PR target/85489
 109         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 110
 111 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 112
 113         * configure: Regenerated.
 114
 115 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 116
 117         PR jit/85384
 118         * configure: Regenerate.
 119
 120 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 121
 122         PR target/84148
 123         * configure: Regenerate.
 124
 125 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 126
 127         Update copyright years.
 128
 129         * libitm.texi: Bump @copying's copyright year.
 130
 131 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 132
 133         * Makefile.in: Regenerate.
 134         * acinclude.m4: Add enable.m4 and cet.m4.
 135         * config/x86/sjlj.S: Include cet.h.
 136         (_ITM_beginTransaction): Add _CET_ENDBR.
 137         Save Shadow Stack pointer.
 138         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 139         * config/x86/target.h (struct gtm_jmpbuf):
 140         Add new field for Shadow Stack pointer.
 141         * configure: Regenerate.
 142         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 143         * configure.ac: Update libtool_VERSION for x86.
 144         * testsuite/Makefile.in: Regenerate.
 145
 146 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 147
 148         * libitm/config/x86/target.h: Add new field (ssp).
 149         * libitm/config/x86/sjlj.S: Change offsets.
 150
 151 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 152
 153         * testsuite/lib/libitm.exp: Load scanlang.exp.
 154
 155 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 156
 157         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 158
 159 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 160
 161         PR other/79046
 162         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 163         of cat to get version from BASE-VER file.
 164         * testsuite/Makefile.in: Regenerated.
 165
 166 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 167
 168         * config/x86/target.h (htm_available): Determine vendor from
 169         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 170
 171 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 172
 173         * config/x86/target.h (htm_available): Add check for some processors
 174         on which TSX is broken.
 175
 176 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 177
 178         PR other/79046
 179         * configure.ac: Add GCC_BASE_VER.
 180         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 181         get version from BASE-VER file.
 182         * testsuite/Makefile.in: Regenerated.
 183         * configure: Regenerated.
 184         * Makefile.in: Regenerated.
 185
 186 2017-01-04  Alan Modra  <amodra@gmail.com>
 187
 188         * Makefile.in: Regenerate.
 189         * testsuite/Makefile.in: Regenerate.
 190
 191 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 192
 193         Update copyright years.
 194
 195         * libitm.texi: Bump @copying's copyright year.
 196
 197 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 198
 199         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 200         * aclocal.m4: Regenerate.
 201         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 202         LIBITM_CHECK_LINKER_HWCAP.
 203
 204 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 205
 206         * configure: Regenerate.
 207
 208 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 209
 210         PR libitm/70456
 211         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 212         on cache line if requested.
 213
 214 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 215
 216         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 217         function attribute to disable floating point in begin_transaction() on
 218         S/390.
 219         * beginend.cc (begin_transaction): Use
 220         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 221
 222 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 223
 224         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 225         boundary.
 226         (htm_fastpath): Remove.
 227         (gtm_thread::begin_transaction): Fix HTM fastpath.
 228         (_ITM_commitTransaction): Adapt.
 229         (_ITM_commitTransactionEH): Adapt.
 230         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 231         and accessors.
 232         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 233         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 234         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 235         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 236         * libitm/method-serial.cc (htm_mg): Adapt.
 237         (gtm_thread::serialirr_mode): Adapt.
 238         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 239
 240 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 241
 242         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 243         or AIX.
 244
 245 2016-01-19  Richard Henderson  <rth@redhat.com>
 246
 247         PR bootstrap/69343
 248         PR bootstrap/69339
 249         Revert:
 250         2016-01-13  Richard Henderson  <rth@redhat.com>
 251
 252         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 253         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 254         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 255         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 256         * configure.ac (ARCH_AARCH64): New conditional.
 257         (ARCH_PPC, ARCH_S390): Likewise.
 258         * Makefile.in, configure: Rebuild.
 259
 260         * libitm.h (_ITM_TYPE_M128): Always define.
 261         * vect64.cc: Split ...
 262         * vect128.cc: ... out of...
 263         * config/x86/x86_sse.cc: ... here.
 264         * config/arm/neon.cc: New file.
 265
 266 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 267
 268         * local_type_traits: Remove file.
 269         * libitm_i.h: Don't include it anymore.
 270         (sized_integral): Remove.
 271
 272 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 273
 274         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 275         safety.
 276         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 277         * libitm/testsuite/libitm.c/priv-1.c: New.
 278
 279 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 280
 281         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 282
 283 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 284
 285         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 286         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 287         (gtm_rwlock::write_unlock): Likewise.
 288
 289 2016-01-13  Richard Henderson  <rth@redhat.com>
 290
 291         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 292         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 293         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 294         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 295         * configure.ac (ARCH_AARCH64): New conditional.
 296         (ARCH_PPC, ARCH_S390): Likewise.
 297         * Makefile.in, configure: Rebuild.
 298
 299         * libitm.h (_ITM_TYPE_M128): Always define.
 300         * vect64.cc: Split ...
 301         * vect128.cc: ... out of...
 302         * config/x86/x86_sse.cc: ... here.
 303         * config/arm/neon.cc: New file.
 304
 305 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 306
 307         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 308         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 309         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 310         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 311         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 312         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 313         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 314         (serialirr_dispatch::snapshot_most_recent): New.
 315         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 316
 317 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 318
 319         * libitm_i.h (gtm_mask_stack): Remove.
 320         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 321         * stmlock.h: Remove file.
 322         * config/alpha/cacheline.h: Likewise.
 323         * config/generic/cacheline.h: Likewise.
 324         * config/powerpc/cacheline.h: Likewise.
 325         * config/sparc/cacheline.h: Likewise.
 326         * config/x86/cacheline.h: Likewise.
 327
 328 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 329
 330         Update copyright years.
 331
 332         * libitm.texi: Bump @copying's copyright year.
 333
 334 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 335
 336         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 337         (ml_wt_dispatch::pre_write): Adapt.
 338         (ml_wt_dispatch::pre_load): Likewise.
 339
 340 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 341
 342         * libitm_i.h (gtm_alloc_action): Remove union.
 343         * testsuite/libitm.c/alloc-1.c: New.
 344
 345 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 346
 347         * testsuite/libitm.c++/eh-5.C: New.
 348         * libitm.h (_ITM_cxa_free_exception): New.
 349         * libitm.map (_ITM_cxa_free_exception): Add it.
 350         * libitm.texi: Update ABI docs.
 351         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 352         (gtm_transaction_cp::cxa_uncaught_count): Add.
 353         (gtm_thread::cxa_unthrown): Remove.
 354         (gtm_thread::cxa_uncaught_count_ptr): Add.
 355         (gtm_thread::cxa_uncaught_count): Add.
 356         (gtm_thread::drop_references_allocations): Rename to...
 357         (gtm_thread::discard_allocation): ... this and adapt.
 358         (gtm_thread::init_cpp_exceptions): New.
 359         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 360         (gtm_thread::begin_transaction): Likewise.
 361         (gtm_transaction_cp::save): Likewise.
 362         (gtm_thread::trycommit): Likewise.
 363         * eh_cpp.cc: Add overview comments.
 364         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 365         (free_any_exception, _ITM_cxa_free_exception): New.
 366         (gtm_thread::init_cpp_exceptions): Define.
 367         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 368         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 369         (gtm_thread::revert_cpp_exceptions): Likewise.
 370
 371 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 372
 373         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 374         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 375         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 376         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 377         (gtm_thread::forget_allocations): New overload with size_t argument.
 378         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 379         adapt existing one.
 380         (gtm_thread::record_allocation): Adapt.
 381         (gtm_thread::commit_allocations_1): Adapt.
 382         (gtm_thread::commit_allocations_2): Adapt.
 383         * testsuite/libitm.c++/newdelete.C: New.
 384
 385 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 386             Joseph Myers  <joseph@codesourcery.com>
 387             Mark Shinwell  <shinwell@codesourcery.com>
 388             Andrew Stubbs  <ams@codesourcery.com>
 389             Rich Felker <dalias@libc.org>
 390
 391         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 392         GTM_begin_transaction for compatibility with FDPIC.
 393
 394 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 395
 396         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 397         using load_gcc_lib.
 398
 399 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 400
 401         PR libitm/61164
 402         * local_atomic (__always_inline): Rename to...
 403         (__libitm_always_inline): ... this.
 404
 405 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 406
 407         PR target/52482
 408         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 409
 410 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 411
 412         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 413         operands "op" and "val" to int.
 414
 415 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 416
 417         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 418         "op" and "val" to int.
 419
 420 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 421
 422         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 423         "op" and "val" to int.
 424
 425 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 426
 427         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 428         Declare as static int.
 429         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 430         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 431
 432 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 433
 434         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 435         sys_futex0 function.
 436
 437 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 438
 439         * Makefile.in: Regenerated with automake-1.11.6.
 440         * aclocal.m4: Likewise.
 441         * configure: Likewise.
 442         * testsuite/Makefile.in: Likewise.
 443
 444 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 445
 446         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 447         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 448
 449 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 450
 451         PR libitm/64360
 452         * libitm.c/stackundo.c (test2): Make it static.
 453         (test1): Likewise.
 454
 455 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 456
 457         Update copyright years.
 458
 459 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 460
 461         * libitm.texi: Bump @copying's copyright year.
 462
 463 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 464
 465         * testsuite/lib/libitm.exp: Load target-utils.exp.
 466         Move load of target-supports.exp earlier.
 467
 468 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 469
 470         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 471
 472 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 473
 474         PR bootstrap/63784
 475         * configure: Regenerated.
 476
 477 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 478
 479         PR target/63610
 480         * configure: Regenerate.
 481
 482 2014-10-06  Marek Polacek  <polacek@redhat.com>
 483
 484         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 485         * testsuite/libitm.c/memset-1.c: Likewise.
 486
 487 2014-07-24  Richard Henderson  <rth@redhat.com>
 488
 489         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 490         addressing mode in epilogue.
 491
 492 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 493
 494         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 495         -mclear-hwcap instead.
 496         * configure: Regenerate.
 497         * clearcap.map: Remove.
 498
 499 2014-05-21  John Marino  <gnugcc@marino.st>
 500
 501         * configure.tgt (*-*-dragonfly*): New target.
 502
 503 2014-05-19  Richard Henderson  <rth@redhat.com>
 504
 505         * config/aarch64/sjlj.S: New file.
 506         * config/aarch64/target.h: New file.
 507         * configure.tgt: Enable aarch64.
 508
 509 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 510
 511         * config/generic/asmcfi.h: Also check for
 512         __GCC_HAVE_DWARF2_CFI_ASM.
 513
 514 2013-04-02  Richard Henderson  <rth@redhat.com>
 515
 516         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 517         * config/arm/target.h, config/sh/target.h: Likewise.
 518         * config/sparc/target.h, config/x86/target.h: Likewise.
 519
 520 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 521
 522         * config/linux/futex_bits.h: Include errno.h.
 523         (sys_futex0): If syscall returns -1, return -errno rather than
 524         -1.
 525
 526 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 527
 528         * libitm.texi (Index): Rename to Library Index.
 529
 530 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 531
 532         PR libitm/53113
 533         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 534         (x86_avx.lo): Append -mavx to CXXFLAGS.
 535         * Makefile.in: Regenerate.
 536
 537 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 538
 539         Update copyright years
 540
 541 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 542
 543         * libitm.texi: Bump @copying's copyright year.
 544
 545 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 546
 547         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 548         (FUNC): Define ELFv2 variant.
 549         (END): Likewise.
 550         (HIDDEN): Likewise.
 551         (CALL): Likewise.
 552         (BASE): Likewise.
 553         (LR_SAVE): Likewise.
 554
 555 2013-09-20  Alan Modra  <amodra@gmail.com>
 556
 557         * configure: Regenerate.
 558
 559 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 560
 561         * config/posix/rwlock.cc: Fix initialization order.
 562
 563 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 564
 565         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 566         (htm_fastpath): Assign an asm name.
 567         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 568         HTM fast paths.
 569         (_ITM_actions): Likewise.
 570         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 571         x86_64.
 572         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 573         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 574         field to the start of the structure.
 575         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 576         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 577         handling for custom HTM fast paths.
 578
 579 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 580         Revert:
 581         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 582
 583         * configure.tgt: Add -msoft-float to XCFLAGS.
 584
 585 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 586
 587         * configure.tgt: Add -msoft-float to XCFLAGS.
 588
 589 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 590
 591         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 592         (htm_transaction_active): Enable zEC12 instructions in the
 593         assembler.
 594         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 595
 596 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 597
 598         * acinclude.m4: Add htm asm check for s390.
 599         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 600         * configure: Regenerate.
 601         * config/s390/target.h: Remove __HTM__ check.
 602         (htm_available): Call getauxval to get hwcaps and check whether
 603         HTM is available or not.
 604
 605 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 606
 607         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 608         * configure.ac: Use it.
 609         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 610         (AC_CHECK_FUNCS): Check for getauxval.
 611         * config.h.in, configure: Rebuild.
 612         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 613         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 614         (USE_HTM_FASTPATH): Define.
 615         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 616         _HTM_RETRIES) New macros.
 617         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 618         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 619
 620 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 621
 622         * config/s390/target.h: Include htmintrin.h.
 623         (_HTM_ITM_RETRIES): New macro definition.
 624         (htm_available, htm_init, htm_begin, htm_begin_success)
 625         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 626
 627 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 628             Cesar Philippidis  <cesar@codesourcery.com>
 629
 630         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 631         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 632         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 633         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 634
 635 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 636
 637         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 638         (_ITM_getTransactionId): Same.
 639         * config/x86/target.h (htm_transaction_active): New.
 640
 641 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 642
 643         PR libitm/57643
 644         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 645         the HTM fastpath.
 646
 647 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 648
 649         PR bootstrap/56714
 650         * local_atomic (__always_inline): Always define our version.
 651         (__calculate_memory_order): Mark inline.
 652         (atomic_thread_fence): Ditto.
 653         (atomic_signal_fence): Ditto.
 654         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 655         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 656         (atomic_bool::atomic_flag_test_and_set): Ditto.
 657         (atomic_bool::atomic_flag_clear): Ditto.
 658
 659 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 660
 661         * config/s390/sjlj.S: New file.
 662         * config/s390/target.h: New file.
 663         * configure.tgt: Set options for S/390.
 664
 665 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 666
 667         * local_atomic (__always_inline): Add.
 668         (__calculate_memory_order, atomic_thread_fence,
 669          atomic_signal_fence, test_and_set, clear, store, load,
 670          exchange, compare_exchange_weak, compare_exchange_strong,
 671          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 672         Add __always_inline to force inlining.
 673
 674 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 675             Jack Howarth  <howarth@bromo.med.uc.edu>
 676             Patrick Marlier  <patrick.marlier@gmail.com>
 677
 678         PR libitm/55693
 679         * alloc_cpp.cc: Enable function declarations on darwin.
 680         * eh_cpp.cc: Likewise.
 681
 682 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 683
 684         Update copyright years.
 685
 686 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 687
 688         * beginend.cc (htm_fastpath): New.
 689         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 690         _ITM_commitTransactionEH): Add HTM fastpath handling.
 691         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 692         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 693         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 694         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 695         * configure.tgt: Add -mrtm to XCFLAGS.
 696         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 697         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 698         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 699         * retry.cc (parse_default_method): Add HTM method parsing.
 700         (gtm_thread::number_of_threads_changed): Use HTM by default if
 701         available.
 702
 703 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 704
 705         * configure: Regenerate.
 706
 707 2012-10-31  Richard Henderson  <rth@redhat.com>
 708
 709         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 710         * configure.ac: Use it.
 711         * config.h.in, configure: Rebuild.
 712         * testsuite/Makefile.in: Rebuild.
 713
 714 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 715
 716         * libitm.texi: Clarify ABI requirements for data-logging functions.
 717
 718 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 719
 720         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 721         it requires serial mode instead of assuming that for certain
 722         dispatchs.
 723         * dispatch.h (abi_dispatch::requires_serial): New.
 724         (abi_dispatch::abi_dispatch): Adapt.
 725         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 726         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 727         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 728         serial_dispatch::serial_dispatch,
 729         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 730
 731 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 732
 733         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 734         and ia32 declarations some more.
 735         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 736
 737 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 738
 739         PR other/43620
 740         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 741         * configure: Regenerate.
 742         * Makefile.in: Regenerate.
 743
 744 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 745
 746         * configure: Regenerated.
 747
 748 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 749
 750         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 751
 752 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 753
 754         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 755
 756 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 757
 758         * configure: Regenerated.
 759
 760 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 761
 762         PR libitm/52854
 763         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 764         for x86-64.
 765
 766 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 767
 768         * configure: Regenerate.
 769
 770 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 771
 772         PR bootstrap/52812
 773         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 774
 775 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 776
 777         * testsuite/lib/libitm.exp: load fortran-modules.exp
 778
 779 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 780
 781         * configure.tgt (*-*-irix6*): Remove.
 782
 783 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 784
 785         PR libitm/52526
 786         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 787         wake-up.
 788
 789 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 790
 791         * configure.tgt (*-*-osf*): Remove.
 792         * configure: Regenerate.
 793
 794 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 795
 796         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 797         memtransfer/memset if size isn't larger than zero.
 798
 799 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 800
 801         * libitm.texi: Link to specification and add a usage example.
 802
 803 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 804
 805         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 806         default dispatch for more than 1 thread to ml_wt.
 807
 808 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 809
 810         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 811
 812 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 813
 814         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 815
 816 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 817
 818         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 819         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 820         (gl_wt_dispatch.rollback): Same.
 821
 822 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 823
 824         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 825
 826 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 827
 828         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 829         for RfW src.  Optimize number of calls to gtm_thr.
 830
 831 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 832
 833         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 834         acquisition to ...
 835         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 836         (default_dispatch): Make atomic.
 837         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 838         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 839         use decide_begin_dispatch() if default_dispatch might have changed.
 840         (GTM::gtm_thread::number_of_threads_changed): Initialize
 841         default_dispatch here.
 842
 843 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 844             Patrick Marlier  <patrick.marlier@gmail.com>
 845
 846         PR libitm/52220
 847         * alloc_cpp.cc: No dummy definitions for darwin.
 848         * eh_cpp.cc: Likewise.
 849
 850 2012-02-14  Richard Henderson  <rth@redhat.com>
 851
 852         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 853
 854 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 855
 856         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 857
 858 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 859
 860         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 861         (GTM::gtm_thread): Add read and write logs.
 862         (GTM::dispatch_ml_wt): Declare.
 863         * retry.cc (parse_default_method): Support ml_wt.
 864         * method-ml.cc: New file.
 865         * Makefile.am: Add method-ml.cc.
 866         * Makefile.in: Regenerate.
 867
 868 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 869
 870         * dispatch.h (GTM::abi_dispatch::supports): New.
 871         (GTM::method_group::reinit): New.
 872         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 873         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 874         supports the current situation.
 875
 876 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 877
 878         * util.cc (GTM::xcalloc): New.
 879         * common.h (GTM::xcalloc): Declare.
 880
 881 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 882
 883         * config/sparc/target.h (cpu_relax): Read from CC register.
 884         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 885
 886 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 887
 888         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 889
 890 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 891
 892         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 893         * config/sparc/cacheline.h: New file.
 894         * config/sparc/target.h: Likewise.
 895         * config/sparc/sjlj.S: Likewise.
 896         * config/linux/sparc/futex_bits.h: Likewise.
 897
 898 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 899
 900         * configure.ac (link_itm): Fix comment.
 901         * configure: Regenerate.
 902         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 903
 904 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 905
 906         PR libitm/51822
 907         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 908         Correct libgomp references.
 909
 910 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 911
 912         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 913         wake-up.
 914
 915 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 916
 917         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 918         end of structure.
 919         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 920         offset values.  Do not copy return address.  Decrement stack
 921         by 56 bytes only.
 922         (GTM_longjump) [__x86_64__]: Update offset values.
 923
 924 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 925
 926         PR libitm/51830
 927         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 928         the first function argument to %eax.
 929
 930 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 931
 932         * libitm.h (_ITM_getThreadnum): Remove.
 933         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 934
 935 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 936
 937         * clearcap.map: New file.
 938         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 939         * configure.ac: Call it.
 940         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 941         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 942         * configure: Regenerate.
 943         * Makefile.in: Regenerate.
 944         * testsuite/Makefile.in: Regenerate.
 945
 946 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 947
 948         PR libitm/51173
 949         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 950         include, exclude options.
 951
 952 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 953
 954         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 955         rolling back.
 956         * containers.h (GTM::vector::set_size): New.
 957
 958 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 959
 960         PR libitm/51855
 961         * config/generic/tls.h (GTM::mask_stack_top): New.
 962         (GTM::mask_stack_bottom): Declare.
 963         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 964         * local.cc (gtm_undolog::rollback): Filter out any updates that
 965         overlap the libitm stack.  Add current transaction as parameter.
 966         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 967         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 968         * testsuite/libitm.c/stackundo.c: New test.
 969
 970 2012-01-10  Richard Henderson  <rth@redhat.com>
 971
 972         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 973         * eh_cpp.cc (_Unwind_DeleteException): Define for
 974         !HAVE_ELF_STYLE_WEAKREF.
 975
 976 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 977
 978         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 979         (GTM::gtm_thread::drop_references_undolog): Remove.
 980         (GTM::gtm_thread::commit_undolog,
 981         GTM::gtm_thread::rollback_undolog): Move to ...
 982         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 983         (GTM::gtm_undolog_entry): Remove.
 984         (GTM::gtm_thread): Adapt.
 985         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 986         (GTM::gtm_thread::trycommit): Adapt.
 987         * method-serial.cc (serial_dispatch::log): Adapt.
 988         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 989         (gl_wt_dispatch::store): Fix likely/unlikely.
 990         * containers.h (GTM::vector::resize): Add additional_capacity
 991         parameter and handle it.
 992         (GTM::vector::resize_noinline): New/adapt.
 993         (GTM::vector::push): New.
 994
 995 2012-01-06  Richard Henderson  <rth@redhat.com>
 996
 997         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 998         * config/linux/powerpc/futex_bits.h: New file.
 999         * config/powerpc/cacheline.h: New file.
1000         * config/powerpc/sjlj.S: New file.
1001         * config/powerpc/target.h: New file.
1002         * config/generic/asmcfi.h (cfi_offset): New.
1003         (cfi_restore, cfi_undefined): New.
1004
1005 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1006
1007         PR other/51171
1008         * testsuite/libitm.c/reentrant.c: Remove xfail.
1009         (thread): Pass x to pure().
1010         From Patrik Marlier <patrick.marlier@gmail.com>.
1011
1012 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1013
1014         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1015         privatization safety if already in serial mode.
1016
1017 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1018
1019         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1020         finish_serial_upgrade parameter.
1021         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1022         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1023         Don't unset reader flag.
1024         (GTM::gtm_rwlock::write_upgrade_finish): New.
1025         * config/posix/rwlock.cc: Same.
1026         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1027         Declare.
1028         * config/posix/rwlock.h: Same.
1029         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1030         flag after commit or after rollback when restarting.
1031
1032 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1033
1034         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1035         (GTM::gtm_thread::try_commit): Changed memory order.
1036         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1037         as parameter.
1038         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1039         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1040         * config/linux/futex_bits.h (sys_futex0): Same.
1041         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1042         * config/linux/futex.h (futex_wait, futex_wake): Same.
1043         * config/linux/rwlock.h (gtm_rwlock::writers,
1044         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1045         ints.
1046         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1047         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1048         gtm_rwlock::write_unlock): Fix memory orders and fences.
1049         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1050         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1051         gtm_rwlock::write_unlock): Same.
1052         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1053         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1054         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1055         Add comments.
1056         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1057         gl_wt_dispatch::load, gl_wt_dispatch::store,
1058         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1059         orders and fences.  Add comments.
1060
1061 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1062
1063         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1064         * Makefile.in: Regenerated.
1065
1066 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1067
1068         * configure.tgt: Add sh* case.
1069         * config/sh/target.h: New file.
1070         * config/sh/sjlj.S: New file.
1071         * config/linux/sh/futex_bits.h: New file.
1072
1073 2011-12-14  Richard Henderson  <rth@redhat.com>
1074
1075         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1076         * config/arm/sjlj.S, config/arm/target.h: New files.
1077         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1078         (cfi_rel_offset): New.
1079         * config/linux/futex_bits.h: New file.
1080         * config/linux/futex.cc: Include futex_bits.h here...
1081         * config/linux/futex.h: ... not here.
1082         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1083         * configure.ac (ARCH_AM): New conditional.
1084         * Makefile.in, configure: Rebuild.
1085         * configure.tgt: Handle ARM.
1086
1087 2011-12-13  Richard Henderson  <rth@redhat.com>
1088
1089         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1090         signed/unsigned comparison werror.
1091
1092         * local_atomic: New file.
1093         * libitm_i.h: Include it.
1094         (gtm_thread::shared_state): Use atomic template.
1095         * beginend.cc (GTM::gtm_clock): Use atomic template.
1096         (global_tid): Use atomic template if 64-bit atomics available.
1097         (gtm_thread::gtm_thread): Update shared_state access.
1098         (gtm_thread::trycommit): Likewise.
1099         (choose_code_path): Update global_tid access.
1100         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1101         * stmlock.h (GTM::gtm_clock): Use atomic template.
1102         (gtm_get_clock, gtm_inc_clock): Update accesses.
1103         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1104         redundant __sync_synchronize after atomic shared_state access.
1105         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1106         (gtm_rwlock::write_lock_generic): Likewise.
1107         (gtm_rwlock::read_unlock): Likewise.
1108         * config/alpha/target.h (atomic_read_barrier): Remove.
1109         (atomic_write_barrier): Remove.
1110         * config/x86/target.h (atomic_read_barrier): Remove.
1111         (atomic_write_barrier): Remove.
1112
1113 2011-11-30  Richard Henderson  <rth@redhat.com>
1114
1115         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1116         * beginend.c (_ITM_abortTransaction): Update to match.
1117         (GTM::gtm_thread::restart): Likewise.
1118         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1119         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1120
1121 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1122
1123         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1124         * Makefile.in: Regenerate.
1125
1126 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1127
1128         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1129         * alloc_cpp.cc: Generate dummy functions if we don't
1130         HAVE_ELF_STYLE_WEAKREF.
1131         * eh_cpp.cc: Likewise.
1132         * configure: Regenerate.
1133         * aclocal.m4:  Likewise.
1134         * config.h.in: Likewise.
1135         * Makefile.in: Likewise.
1136         * testsuite/Makefile.in: Likewise.
1137
1138 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1139
1140         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1141         __USER_LABEL_PREFIX__ for targets that use it.
1142         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1143         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1144         in portability to non-elf targets.
1145         (GTM_longjmp): Likewise.
1146         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1147         where required.
1148
1149 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1150
1151         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1152         * testsuite/libitm.c/memset-1.c: Likewise.
1153
1154 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1155
1156         * configure: Regenerate.
1157
1158 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1159
1160         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1161         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1162         * Makefile.am: Handle sun style versioning.
1163         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1164         * configure: Regenerate.
1165         * Makefile.in: Regenerate.
1166
1167 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1168
1169         * config/generic/asmcfi.h: Fix comment.
1170         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1171         sequence without .hidden support, error for non-ELF targets.
1172         (GTM_longjmp) [__ELF__]: Only use .hidden if
1173         HAVE_ATTRIBUTE_VISIBILITY.
1174
1175 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1176
1177         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1178         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1179         Dummy functions.
1180         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1181         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1182
1183 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1184
1185         PR bootstrap/51098
1186         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1187         * configure: Regenerate.
1188
1189 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1190
1191         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1192
1193 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1194
1195         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1196         .hidden.
1197         (.note.GNU-stack): Only use if __linux__.
1198         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1199         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1200         * testsuite/libitm.c/reentrant.c: Likewise.
1201         * testsuite/libitm.c/simple-2.c: Likewise.
1202         * testsuite/libitm.c/txrelease.c: Likewise.
1203         * testsuite/libitm.c++/static_ctor.C: Likewise.
1204
1205 2011-11-10  Richard Henderson  <rth@redhat.com>
1206
1207         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1208         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1209         * configure.ac (ARCH_X86_AVX): New conditional.
1210         * Makefile.in, configure: Rebuild.
1211
1212 2011-11-09  Richard Henderson  <rth@redhat.com>
1213
1214         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1215         * configure.ac: Use it.
1216         * config.h.in, configure: Rebuild.
1217         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1218
1219 2011-11-09  Richard Henderson  <rth@redhat.com>
1220
1221         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1222         * config/alpha/unaligned.h: Remove file.
1223         * config/generic/unaligned.h: Remove file.
1224         * config/x86/unaligned.h: Remove file.
1225         * config/generic/cachepage.h: Remove file.
1226         * config/posix/cachepage.cc: Remove file.
1227         * config/generic/cacheline.cc: Remove file.
1228         * config/x86/cacheline.cc: Remove file.
1229         * config/generic/cacheline.h (gtm_cacheline): Remove the
1230         store_mask, copy_mask, copy_mask_wb methods.
1231         * config/x86/cacheline.h: Likewise.
1232         * config/alpha/cacheline.h: Fall back to generic after setting size.
1233         * config/generic/tls.cc (gtm_mask_stack): Remove.
1234         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1235         (GTM_vpalignr_table): Remove.
1236         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1237         (GTM_pshift_table): Remove.
1238         * config/libitm_i.h: Don't include cachepage.h.
1239         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1240         * Makefile.in, testsuite/Makefile.in: Rebuild.
1241
1242 2011-11-09  Richard Henderson  <rth@redhat.com>
1243
1244         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1245         to emit branch prediction hint.
1246
1247         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1248         Protect .note.GNU-stack with __linux__.
1249
1250         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1251         * configure, aclocal.m4, config.h.in: Rebuild.
1252         * config/generic/asmcfi.h: New file.
1253         * config/x86/sjlj.S: Use it.
1254
1255 2011-11-08  Richard Henderson  <rth@redhat.com>
1256
1257         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1258
1259 2011-11-08  Richard Henderson  <rth@redhat.com>
1260
1261         * configure.tgt: Test correct directory for supported cpus.
1262
1263         * configure.ac: Exit if unsupported.
1264         * configure: Rebuild.
1265         * configure.tgt: Delete boilerplate from libgomp for unsupported
1266         targets.  Set UNSUPPORTED for unsupported targets.
1267
1268 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1269
1270         * configure.tgt: Handle i386 like i[456]86.
1271         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1272         take address.
1273         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1274         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1275
1276 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1277
1278         * method-wbetl.cc: Update copyright notice.
1279         * aatree.cc: Same.
1280         * util.cc: Same.
1281         * libitm.h: Same.
1282         * memset.cc: Same.
1283         * eh_cpp.cc: Same.
1284         * barrier.tpl: Same.
1285         * useraction.cc: Same.
1286         * stmlock.h: Same.
1287         * memcpy.cc: Same.
1288         * common.h: Same.
1289         * config/generic/tls.cc: Same.
1290         * config/generic/cacheline.h: Same.
1291         * config/generic/cachepage.h: Same.
1292         * config/generic/cacheline.cc: Same.
1293         * config/generic/unaligned.h: Same.
1294         * config/x86/cacheline.h: Same.
1295         * config/x86/cacheline.cc: Same.
1296         * config/x86/unaligned.h: Same.
1297         * config/alpha/cacheline.h: Same.
1298         * config/alpha/unaligned.h: Same.
1299         * config/alpha/sjlj.S: Same.
1300         * config/posix/cachepage.cc: Same.
1301         * config/linux/futex.h: Same.
1302         * config/linux/alpha/futex_bits.h: Same.
1303
1304 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1305
1306         * libitm.texi: No cover text and invariant sections.
1307
1308 2011-11-03  Richard Henderson  <rth@redhat.com>
1309
1310         * local_type_traits: New file.
1311         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1312
1313 2011-11-03  Richard Henderson  <rth@redhat.com>
1314
1315         * configure.ac: Don't test for gfortran.
1316         * configure: Rebuild.
1317
1318         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1319         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1320
1321 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1322
1323         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1324         * testsuite/libitm.c/memset-1.c: Same.
1325         * testsuite/libitm.c/c.exp: Same.
1326         * testsuite/lib/libitm-dg.exp: Same.
1327         * testsuite/lib/libitm.exp: Same.
1328         * testsuite/libitm.c++/c++.exp: Same.
1329
1330 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1331
1332         * testsuite/config/default.exp: Update copyright date.
1333         * configure.ac: Add copyright info.
1334         * configure.tgt: Same.
1335
1336 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1337
1338         * testsuite/libitm.c/reentrant.c: XFAIL.
1339         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1340
1341 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1342
1343         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1344         handle aborts.
1345         (_ITM_abortTransaction): Handle aborts of outer transactions.
1346         * libitm_i.h: Same.
1347         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1348         * libitm.texi: Document aborts of outer transactions.
1349         * testsuite/libitm.c/cancel.c: New file.
1350
1351 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1352
1353         * testsuite/*: Change __transaction to __transaction_atomic or
1354         __transaction_relaxed.
1355
1356 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1357
1358         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1359         (gtm_thr): Same.
1360
1361 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1362
1363         * libitm_i.h: Add gl_wt dispatch.
1364         * retry.cc (parse_default_method): Same.
1365         * method-gl.cc: New file.
1366         * Makefile.am: Use method-gl.cc.
1367         * Makefile.in: Rebuild.
1368
1369 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1370
1371         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1372         safety if requested by a TM method.
1373         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1374         privatization safety.
1375         * method-serial.cc: Same.
1376
1377 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1378
1379         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1380         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1381         undolog-related member functions from *_local to *_undolog.
1382         * local.cc (gtm_thread::commit_undolog): Same.
1383         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1384         (GTM::gtm_thread::rollback): Roll back undolog before
1385         dispatch-specific rollback.
1386
1387 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1388
1389         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1390         re-initialization of the current method group.
1391         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1392
1393 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1394
1395         * alloc.cc (commit_allocations_2): Do not free transaction-local
1396         memory when committing a nested transaction.
1397
1398 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1399
1400         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1401         serial-irrevocable dispatch, not serial.
1402
1403 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1404
1405         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1406         declarations.
1407         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1408         * method-serial.cc: Implement begin_or_restart().
1409         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1410         dispatch-specific begin_or_restart().
1411         (GTM::gtm_thread::restart): Same.
1412
1413 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1414
1415         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1416         restarting without switching to serial mode.
1417         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1418         transaction state. Choose closed-nesting alternative if available.
1419         (GTM::gtm_thread::set_default_dispatch): New.
1420         (parse_default_method): New.
1421         (GTM::gtm_thread::number_of_threads_changed): New.
1422         * method-serial.cc (GTM::serial_mg): New method group class.
1423         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1424         fini.
1425         (GTM::serial_dispatch): Same.
1426         (GTM::serialirr_onwrite_dispatch): Same.
1427         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1428         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1429         registered threads.
1430         (GTM::gtm_thread::gtm_thread): Same.
1431         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1432         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1433         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1434         choose dispatch but set state according to dispatch here.
1435         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1436         (GTM::method_group): New class.
1437         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1438         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1439         * libitm.texi: Document TM methods, method groups, method life cycle.
1440         Rename method sets to method groups.
1441
1442 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1443
1444         * config/x86/tls.h: Moved to ...
1445         * config/linux/x86/tls.h: ... here.
1446
1447 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1448
1449         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1450         Add X32 support.
1451         * config/x86/sjlj.S: Same.
1452
1453 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1454
1455         * config/linux/rwlock.h: New file.
1456         * config/linux/rwlock.c: New file.
1457         * configure.ac: Reenable futex support (undo SVN rev 157758).
1458         * Makefile.am: Same.
1459         * configure.tgt: Same.
1460         * config/linux/alpha/futex_bits.h: Same.
1461         * config/linux/futex.h: Same. Return number of woken processes.
1462         * config/linux/futex.cc: Same.
1463         (futex_wait): Remove spinning.
1464         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1465         Use __x86_64__ instead of __LP64__.
1466         * aclocal.m4: Include generic futex checks.
1467         * configure: Rebuild.
1468         * Makefile.in: Rebuild.
1469         * testsuite/Makefile.in: Rebuild.
1470         * beginend.cc: Include pthread.h.
1471         * config/posix/cachepage.cc: Same.
1472
1473 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1474
1475         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1476         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1477         (set_gtm_thr): New.
1478         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1479         (set_gtm_thr): New.
1480         (GTM::gtm_thread::thread_num): Removed.
1481         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1482         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1483         tx-to-thread renaming.
1484         * beginend.cc: Adapted to tx-to-thread renaming.
1485         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1486         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1487         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1488         gtm_transaction to gtm_thread.
1489         (_ITM_getThreadnum): Removed. Not supported anymore.
1490         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1491         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1492         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1493         gtm_tx-to-gtm_thr renaming if necessary.
1494         * eh_cpp.cc: Same.
1495         * local.cc: Same.
1496         * retry.cc: Same.
1497         * clone.cc: Same.
1498         * alloc.cc: Same.
1499         * alloc_c.cc: Same.
1500         * alloc_cpp.cc: Same.
1501         * method-serial.cc: Same.
1502         * config/generic/tls.cc: Same.
1503         * config/posix/rwlock.h (gtm_rwlock): Same.
1504         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1505
1506 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1507
1508         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1509         implementation.
1510         (gtm_rwlock::read_unlock): Same.
1511         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1512         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1513         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1514         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1515         w_upgrade. Replaced by per-transaction flags (in shared_state).
1516         Added c_confirmed_writers.
1517         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1518         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1519         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1520         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1521         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1522         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1523         * libitm.texi: Document locking conventions and implementations in
1524         libitm.
1525
1526 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1527
1528         * libitm_i.h (next_tx): Add list of all threads' transaction.
1529         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1530         transaction with list of transactions and ...
1531         (thread_exit_handler): ... deregister here.
1532         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1533         * config/x86/target.h: Same.
1534
1535 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1536
1537         * testsuite/libitm.c++/static_ctor.C: New file.
1538
1539 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1540
1541         * testsuite/libitm.c/reentrant.c: New file.
1542
1543 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1544
1545         * config/generic/tls.h: Remove the free list for transactions and ...
1546         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1547         (GTM::gtm_transaction::operator delete): ... and release here.
1548         (thread_exit_handler): New. Delete tx when thread terminates.
1549         (thread_exit_init): New.
1550         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1551         * testsuite/libitm.c/txrelease.c: New file.
1552
1553 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1554
1555         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1556         * testsuite/libitm.c/notx.c: New file.
1557
1558 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1559
1560         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1561         * libitm_i.h (local_tid): ... to here.
1562         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1563         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1564
1565 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1566
1567         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1568         serialirr_onwrite_dispatch as new default for now.
1569         * method-serial.cc (serialirr_onwrite_dispatch): New.
1570         (GTM::dispatch_serialirr_onwrite): New.
1571         * libitm_i.h: Same.
1572
1573 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1574
1575         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1576         * query.cc (_ITM_getTransactionId): There is no active transaction if
1577         the current nesting level is zero.
1578
1579 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1580
1581         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1582         rollback.
1583
1584 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1585
1586         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1587         transaction properties from the caller instead of from the
1588         transaction object.
1589         * libitm_i.h: Same.
1590         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1591
1592 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1593
1594         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1595         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1596         * dispatch.h: Same.
1597         * method-serial.cc: Same.
1598         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1599         flat nesting as default, and closed nesting on demand.
1600         (GTM::gtm_transaction::rollback): Same.
1601         (_ITM_abortTransaction): Same.
1602         (GTM::gtm_transaction::restart): Same.
1603         (GTM::gtm_transaction::trycommit): Same.
1604         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1605         (choose_code_path): New.
1606         (GTM::gtm_transaction_cp::save): New.
1607         (GTM::gtm_transaction_cp::commit): New.
1608         * query.cc (_ITM_inTransaction): Support flat nesting.
1609         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1610         (GTM::gtm_transaction): Support flat and closed nesting.
1611         * alloc.cc (commit_allocations_2): New.
1612         (commit_cb_data): New helper struct.
1613         (GTM::gtm_transaction::commit_allocations): Handle nested
1614         commits/rollbacks.
1615         * libitm.texi: Update user action section, add description of nesting.
1616
1617 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1618
1619         * libitm_i.h: Add closed nesting as restart reason.
1620         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1621
1622 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1623
1624         * useraction.cc: Use vector instead of list to store actions.
1625         Also support partial rollbacks for closed nesting.
1626         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1627         * beginend.cc: Same.
1628
1629 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1630
1631         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1632         closed_nesting flags, as well as a closed nesting alternative.
1633         * method-serial.cc: Same.
1634         (serial_dispatch): Renamed to serialirr_dispatch.
1635         (GTM::dispatch_serialirr): Same.
1636         (serial_dispatch_ul): Renamed to serial_dispatch.
1637         (GTM::dispatch_serial): Same.
1638
1639 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1640
1641         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1642
1643 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1644
1645         * aatree.h (aa_tree::remove): New.
1646         (aa_tree::operator new): Add placement new.
1647
1648 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1649
1650         * containers.h: New file.
1651         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1652         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1653         * common.h: ... to here.
1654         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1655         * local.cc: Same.
1656
1657 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1658
1659         * libitm_i.h (STATE_ABORTING): Remove.
1660         * beginend.cc (_ITM_abortTransaction): Same.
1661         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1662         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1663         (_ITM_rollbackTransaction): Remove.
1664         * beginend.cc: Same.
1665         * libitm.map: Same.
1666         * libitm.texi: Document these ABI changes.
1667
1668 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1669
1670         * libitm.texi: New file.
1671         * Makefile.am: Add libitm.texi.
1672         * Makefile.in: Rebuild.
1673
1674 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1675
1676         * libitm_i.h: Move parts to common.h and dispatch.h.
1677         * common.h: New file.
1678         * dispatch.h: New file, new dispatch class.
1679         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1680         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1681         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1682         decision to retry.cc.
1683         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1684         only.
1685         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1686         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1687         logging.
1688         * barrier.cc: Use new barriers definitions.
1689         (abi_dispatch::memmove_overlap_check): New.
1690         * config/x86/x86_sse.cc: Same.
1691         * config/x86/x86_avx.cc: Same.
1692         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1693         memcpy.cc.
1694         * Makefile.in: Rebuild.
1695         * method-readonly.cc: Remove.
1696         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1697         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1698
1699 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1700
1701         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1702         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1703         * testsuite/libitm.c/dropref-2.c: Same.
1704         * testsuite/libitm.c/dropref.c: Same.
1705
1706 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1707
1708         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1709         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1710         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1711         * alloc_c.cc: Same.
1712         * barrier.tpl: Same.
1713         * beginend.c: Same.
1714         * config/generic/tls.h: Same.
1715         * config/x86/tls.h: Same.
1716         * libitm_i.h: Same.
1717         * memcpy.cc: Same.
1718         * memset.cc: Same.
1719         * method-readonly.cc: Same.
1720         * method-serial.cc: Same.
1721         * method-wbetl.cc: Same.
1722         * retry.cc: Same.
1723
1724 2011-03-03  Richard Henderson  <rth@redhat.com>
1725
1726         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1727         From Patrik Marlier <patrick.marlier@unine.ch>.
1728
1729 2011-02-03  Richard Henderson  <rth@redhat.com>
1730
1731         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1732         * configure.ac: Use it.
1733         * configure, config.h.in: Rebuild.
1734         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1735         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1736         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1737         * libitm.map: Use wildcards to match size_t mangling.
1738
1739 2010-12-14  Richard Henderson  <rth@redhat.com>
1740
1741         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1742         blocks of TIDs per thread.
1743         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1744         (setup_gtm_thr): Return the thread structure.
1745         * config/x86/tls.h (setup_gtm_thr): Likewise.
1746
1747 2010-12-14  Richard Henderson  <rth@redhat.com>
1748
1749         * clone.cc (table_lock): Remove.
1750         (find_clone): Don't take it.
1751         (ExcludeTransaction): New helper class.
1752         (_ITM_registerTMCloneTable): Use it.
1753         (_ITM_deregisterTMCloneTable): Likewise.
1754
1755 2010-12-14  Richard Henderson  <rth@redhat.com>
1756
1757         * config/x86/tls.h: New file.
1758
1759 2010-07-15  Richard Henderson  <rth@redhat.com>
1760
1761         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1762         * Makefile.in: Rebuild.
1763
1764 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1765
1766         * method-wbetl.cc (trydropreference): Fix source line.
1767
1768 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1769
1770         * libitm.h: Add comment.
1771         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1772
1773 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1774
1775         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1776         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1777         available, use pthread mutexes.
1778         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1779         * config.h.in: Regenerate.
1780         * configure: Regenerate.
1781
1782 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1783
1784         * libitm.h (ITM_PURE): Define.
1785         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1786
1787 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1788
1789         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1790         (validate): Add comment.
1791         (trydropreference): New.
1792         * method-readonly.cc (class readonly_dispatch): Add
1793         trydropreference.
1794         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1795         Call trydropreference().
1796         * libitm.h (_ITM_dropReferences): Remove const attribute.
1797         * method-serial.cc (class serial_dispatch): Add trydropreference.
1798         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1799
1800 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1801
1802         * memcpy.cc (do_memcpy): Comment.
1803
1804 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1805
1806         * barrier.tpl: Add comments throughout.
1807
1808 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1809
1810         * method-wbetl.cc (struct w_entry): Add comments.
1811         (trycommit): Same.
1812         (rollback): Same.
1813
1814 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1815
1816         * alloc_c.cc (_ITM_dropReferences): New.
1817         * libitm.map (_ITM_dropReferences): Add.
1818         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1819         * libitm_i.h (struct gtm_transaction): Declare
1820         drop_references_allocations and drop_references_local.
1821         * local.cc (rollback_local): Ignore memory when applicable.
1822         (drop_references_local): New.
1823
1824 2010-06-23  Richard Henderson  <rth@redhat.com>
1825
1826         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1827         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1828         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1829         * config/alpha/target.h: Likewise.
1830         * config/generic/tls.cc (gtm_mask_stack): Use it.
1831
1832 2010-06-23  Richard Henderson  <rth@redhat.com>
1833
1834         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1835         a mutex instead of trying a lock-free compare-and-swap on the list.
1836         (gtm_cacheline_page::operator delete): Likewise.
1837
1838 2010-06-16  Richard Henderson  <rth@redhat.com>
1839
1840         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1841         that overlap the libitm stack.
1842         * barrier.tpl: Mark incoming stack.
1843         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1844         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1845         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1846         * memcpy.cc, memset.cc: Likewise.
1847         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1848         * config/generic/tls.h (gtm_thread): Add stack_top member.
1849         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1850         * libitm_i.h (gtm_mask_stack): Declare.
1851         * config/generic/tls.cc: New file.
1852         * Makefile.am (libitm_la_SOURCES): Add it.
1853         (AM_CXXFLAGS): Turn off exceptions.
1854         * Makefile.in: Rebuild.
1855
1856 2010-06-16  Richard Henderson  <rth@redhat.com>
1857
1858         * alloc.cc (struct gtm_alloc_action): Move definition ...
1859         * libitm_i.h: ... here.
1860         (class gtm_transaction): Declare new and delete.
1861         * beginend.cc (alloc_tx): Reformulate as operator new.
1862         (free_tx): Reformulate as operator delete.
1863         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1864
1865 2010-06-11  Richard Henderson  <rth@redhat.com>
1866
1867         * clone.cc (clone_entry_compare): Fix typo.
1868         From Patrik Marlier <patrick.marlier@unine.ch>.
1869
1870 2010-05-13  Richard Henderson  <rth@redhat.com>
1871
1872         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1873         in extern "C".
1874
1875 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1876
1877         * libitm_i.h (struct gtm_transaction): Remove
1878         get_allocation_size.
1879         (record_allocation): Remove size parameter.
1880         * libitm.map (_ITM_realloc): Remove.
1881         * alloc_c.cc (_ITM_realloc): Remove.
1882         (_ITM_malloc): Remove size argument to record_allocation.
1883         (_ITM_calloc): Same.
1884         * alloc_cpp.cc (_ZGTtnwm): Same.
1885         (_ZGTtnwmRKSt9nothrow_t): Same.
1886         (_ZGTtnam): Same.
1887         (_ZGTtnamRKSt9nothrow_t): Same.
1888         * alloc.cc (struct gtm_alloc_action): Remove size.
1889         (get_allocation_size): Remove.
1890         (commit_allocations): Add comment.
1891         (record_allocation): Remove size parameter.
1892         (forget_allocation): Remove set of size.
1893
1894 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1895
1896         * Makefile.am (abi_version): New.
1897         (AM_CXXFLAGS): Pass abi_version.
1898         * Makefile.in: Regenerate.
1899         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1900
1901 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1902
1903         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1904         _ITM_getTMCloneOrIrrevokable.
1905         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1906         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1907
1908 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1909
1910         * configure.ac: Remove Linux futex support.
1911         * configure.tgt (config_path): Same.
1912         * Makefile.am: Same.
1913         * config/linux: Remove entire directory.
1914         * configure: Rebuild.
1915         * Makefile.in: Rebuild.
1916         * testsuite/Makefile.in: Rebuild.
1917
1918 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1919
1920         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1921         switching to serial mode.
1922         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1923
1924 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1925
1926         * configure.tgt: Add emacs -*- tags.
1927         * barrier.tpl: Same.
1928
1929 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1930
1931         * Makefile.am: Rename serial.cc to method-serial.cc.
1932         * Makefile.in: Regenerate with automake 1.11.1.
1933         * testsuite/Makefile.in: Same.
1934         * aclocal.m4: Regenerate with aclocal 1.11.1.
1935         * method-serial.cc: Rename from serial.cc.
1936         * libitm_i.h (struct gtm_transaction): Update comment on
1937         serialirr_mode.
1938
1939 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1940
1941         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1942         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1943
1944 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1945
1946         * configure: Rebuild.
1947
1948 2009-11-12  Richard Henderson  <rth@redhat.com>
1949
1950         * Rewrite everything in C++.
1951
1952 2009-11-03  Richard Henderson  <rth@redhat.com>
1953
1954         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1955         * Makefile.am (libitm_la_SOURCES): Add them.
1956         * configure.ac (ARCH_X86): New conditional.
1957         * Makefile.in, configure: Rebuild.
1958         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1959         Move futex setup into "other system configury" case.
1960         * local.c (rollback_local): Merge into ...
1961         (GTM_rollback_local): ... here.
1962         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1963         (_ITM_LB): Define as an alias to GTM_LB.
1964
1965 2009-11-03  Richard Henderson  <rth@redhat.com>
1966
1967         * method-readonly.c: New file.
1968         * Makefile.am (libitm_la_SOURCES): Add it.
1969         * Makefile.in: Rebuild.
1970         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1971         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1972         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1973         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1974         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1975         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1976         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1977         gtm_get_clock, gtm_inc_clock): New.
1978         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1979         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1980         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1981         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1982         replace uses with new libitm_i.h symbols.
1983         (dispatch_wbetl): Rename from wbetl_dispatch.
1984         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1985         away from dispatch_readonly; abort if the beginTransaction call
1986         asserted that the transaction was readonly.
1987
1988 2009-11-03  Richard Henderson  <rth@redhat.com>
1989
1990         * memset.c: New file.
1991         * Makefile.am (libitm_la_SOURCES): Add it.
1992         * Makefile.in: Rebuild.
1993         * testsuite/libitm.c/memset-1.c: New.
1994
1995 2009-11-03  Richard Henderson  <rth@redhat.com>
1996
1997         * dispatch.c: Remove file.
1998         * useraction.c (struct gtm_user_action): Move from libitm.h.
1999         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2000         (serial_memset, serial_memmove, serial_memcpy): Remove.
2001         (serial_W*, serial_R*): Remove.
2002         (serial_dispatch): Update to match.
2003         * configure.ac: Move Werror down below configure checks.  Don't
2004         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2005         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2006         Use GCC_AC_FUNC_MMAP_BLACKLIST
2007         * libitm.h: Split out all internal items to...
2008         * libitm_i.h: ... here.  New file.
2009         * copymask.c: New file.
2010         * local.c (struct gtm_local_undo): Move from libitm.h.
2011         (GTM_alloc_local): Rename from alloc_local; export.
2012         * memcpy.c: New file.
2013         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2014         * config/posix/page.c: New file.
2015         * config/posix/target_tls.h: Remove file.
2016         * barrier.c: New file.
2017         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2018         copymask.c, page.c.
2019         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2020         * method-wbetl.c: Rewrite for new cacheline methods.
2021         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2022
2023         * config/alpha/sjlj.S: Fix typo.
2024         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2025         * config/alpha/copymask.c: New file.
2026         * config/alpha/target.h (CACHELINE_SIZE): New.
2027         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2028
2029         * config/x86/target_i.h: Copy functions from x86/target.h.
2030         * config/x86/copymask.c: New file.
2031         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2032         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2033         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2034         * config/x86/target_tls.h: Move contents to target_i.h.
2035
2036         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2037         * testsuite/libitm.c/memcpy-1.c: New.
2038
2039 2009-10-22  Richard Henderson  <rth@redhat.com>
2040
2041         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2042         (AM_CCASFLAGS): New.
2043         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2044         saving/restoring _AC_ARG_VAR_PRECIOUS.
2045         * Makefile.in, aclocal.m4, config.h.in, configure,
2046         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2047
2048 2009-10-22  Richard Henderson  <rth@redhat.com>
2049
2050         * testsuite/*: Update for new compiler syntax.
2051
2052 2009-10-21  Richard Henderson  <rth@redhat.com>
2053
2054         * libitm.h (_ITM_abortReason): Add outerAbort.
2055
2056 2009-08-03  Richard Henderson  <rth@redhat.com>
2057
2058         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2059         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2060         * method-wbetl.c (struct w_entry): Remove mask.
2061         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2062         adjust all callers.
2063
2064 2009-07-22  Richard Henderson  <rth@redhat.com>
2065
2066         * eh_cpp.c: New file.
2067         * Makefile.am (libitm_la_SOURCES): Add it.
2068         * Makefile.in: Rebuild.
2069         * beginend.c (GTM_rollback_transaction): Undo exception state.
2070         (GTM_trycommit_transaction): Mark inline.
2071         (GTM_trycommit_and_finalize_transaction): Split out from ...
2072         (_ITM_commitTransaction): ... here.
2073         (_ITM_commitTransactionEH): New function.
2074         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2075         cxa_unthrown, eh_in_flight; reorder.
2076
2077         * testsuite/libitm.c++/c++.exp: New.
2078         * testsuite/libitm.c++/eh-1.C: New.
2079
2080         * aatree.c (aa_free): Remove REGPARM.
2081         * aatree.h: Remove all REGPARM.
2082
2083 2009-07-18  Richard Henderson  <rth@redhat.com>
2084
2085         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2086         * Makefile.am (libitm_la_SOURCES): Add them.
2087         * Makefile.in: Rebuild.
2088         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2089         (GTM_trycommit_transaction): Likewise.
2090         * libitm.h: Include aatree.h
2091         (struct gtm_alloc_action): New.
2092         (struct gtm_transaction): Add alloc_actions.
2093         (GTM_record_allocation, GTM_forget_allocation): Declare.
2094         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2095         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2096         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2097         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2098         _ZGTtdaPvRKSt9nothrow_t): Export.
2099
2100 2009-07-18  Richard Henderson  <rth@redhat.com>
2101
2102         * target_tls.h: Move ...
2103         * config/posix/target_tls.h: ... here.
2104
2105 2009-07-07  Richard Henderson  <rth@redhat.com>
2106
2107         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2108
2109 2009-07-07  Richard Henderson  <rth@redhat.com>
2110
2111         * Update to GPL3.
2112
2113 2009-07-07  Richard Henderson  <rth@redhat.com>
2114
2115         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2116         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2117
2118         * configure.tgt: Don't use -ftls-model for x86 linux.
2119         * libitm.h: Include target.h after standard includes.
2120         (_gtm_thr): Rename from gtm_thr.
2121         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2122         (gtm_disp, set_gtm_disp): New.
2123         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2124         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2125         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2126
2127 2009-07-07  Richard Henderson  <rth@redhat.com>
2128
2129         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2130
2131 2009-07-06  Richard Henderson  <rth@redhat.com>
2132
2133         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2134         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2135         (_ITM_beginTransaction): Take variadic arguments.
2136         (_ITM_registerThrownObject): Declare.
2137         * beginend.c, serial.c: Update.
2138         * libitm.map: Add _ITM_registerThrownObject.
2139
2140 2009-01-28  Richard Henderson  <rth@redhat.com>
2141
2142         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2143         * Makefile.in: Rebuild.
2144         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2145         (GTM_restart_transaction): Fix uninstrumented code check.
2146         * retry.c (GTM_decide_retry_strategy): Add serial check.
2147         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2148         automatically go irrevokable when in serial mode.
2149         * clone.c: New file.
2150         * libitm.h, libitm.map: Update.
2151
2152 2009-01-27  Richard Henderson  <rth@redhat.com>
2153
2154         * Makefile.am (LTCCASCOMPILE): Define.
2155         (libitm_la_SOURCES): Add methid-wbetl.c.
2156         * testsuite/Makefile.am: New
2157         * configure.ac: Add testsuite/Makefile.
2158         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2159         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2160         (_ITM_abortTransaction): Finalize implementation method; pass
2161         transaction properties to longjmp.
2162         (GTM_restart_transaction): Split out from ...
2163         (_ITM_commitTransaction): ... here.
2164         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2165         Move to config/x86/target.h.
2166         * config/linux/alpha/futex_bits.h: New.
2167         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2168         * config/x86/target.h: Disable target types for 32-bit.
2169         * config/alpha/sjlj.S, config/alpha/target.h: New.
2170         * libitm.h (struct gtm_dispatch): Add init, fini.
2171         (enum restart_reason): New.
2172         (struct gtm_transaction): Add method and restarts.
2173         * retry.c (GTM_decide_retry_strategy): Implement.
2174         * serial.c (serial_init, serial_fini): New.
2175         (GTM_serialmode): Finialize outgoing method.
2176         * method-wbetl.c: New.
2177
2178 2008-12-09  Richard Henderson  <rth@redhat.com>
2179
2180         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2181         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2182         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2183         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2184         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2185         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2186         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2187         * serial.c (serial_R##T, serial_W##T): Likewise.
2188
2189 2008-11-21  Richard Henderson  <rth@redhat.com>
2190
2191         * Initial commit.
2192 \f
2193 Copyright (C) 2008-2019 Free Software Foundation, Inc.
2194
2195 Copying and distribution of this file, with or without modification,
2196 are permitted in any medium without royalty provided the copyright
2197 notice and this notice are preserved.