libitm/ChangeLog

   1 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
   2
   3         PR bootstrap/95413
   4         * configure: Regenerated.
   5
   6 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
   7
   8         PR bootstrap/95147
   9         * configure: Regenerated.
  10
  11 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  12
  13         * configure: Regenerated.
  14
  15 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  16
  17         Fix throw specifiers on interface.
  18         * libitm/libitm.h (_ITM_NOTHROW): Define.
  19         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  20         (_ITM_cxa_begin_catch): Use it.
  21         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  22         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  23         __cxa_get_globals.
  24         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  25         (_ITM_cxa_begin_catch): Likewise.
  26
  27 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  28
  29         * testsuite/lib/libitm.exp (libitm_init): Add
  30         -fdiagnostics-color=never to options.
  31
  32 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  33
  34         PR libstdc++/79193
  35         PR libstdc++/88999
  36
  37         * configure: Regenerated.
  38
  39 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
  40
  41         * configure.ac: Handle `--with-toolexeclibdir='.
  42         * Makefile.in: Regenerate.
  43         * aclocal.m4: Regenerate.
  44         * configure: Regenerate.
  45         * testsuite/Makefile.in: Regenerate.
  46
  47 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
  48
  49         Update copyright years.
  50
  51         * libitm.texi: Bump @copying's copyright year.
  52
  53 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  54
  55         PR libgomp/91938
  56         * configure.tgt: Avoid IE tls on *-*-musl*.
  57
  58 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
  59
  60         * configure: Regenerate.
  61
  62 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  63
  64         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
  65
  66 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  67
  68         * configure.tgt: Handle *-*-uclinux*.
  69         * configure: Regenerate.
  70
  71 2019-09-06  Florian Weimer  <fweimer@redhat.com>
  72
  73         * configure: Regenerate.
  74
  75 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
  76
  77         PR other/79543
  78         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
  79         scanning to conform to the GNU Coding Standards.
  80         * configure: Regenerate.
  81
  82 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
  83
  84         * Makefile.am (finclude): Remove.
  85         * Makefile.in: Regenerated.
  86
  87 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  88
  89         Update copyright years.
  90
  91 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
  92
  93         * libitm.texi: Bump @copying's copyright year.
  94
  95 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
  96
  97         PR c++/88482
  98         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
  99         void * to void (*) (void *).
 100         (_ITM_cxa_throw): Likewise.
 101         * libitm.h (_ITM_cxa_throw): Likewise.
 102         * libitm.texi (_ITM_cxa_throw): Likewise.
 103
 104 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 105
 106         * config/powerpc/target.h (htm_available):  Add support for
 107         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 108
 109 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 110
 111         PR bootstrap/82856
 112         * Makefile.am: Include multilib.am.
 113         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 114         (CLEANFILES): Remove libitm.info.
 115         * configure.ac: Remove AC_PREREQ.
 116         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 117         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 118         Regenerate.
 119
 120 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 121
 122         PR libitm/86293
 123         * method-serial.cc: Mark varible as potentially unused
 124         to silence warning.
 125
 126 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 127
 128         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 129         absolute relocation in a shared library.
 130
 131 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 132
 133         PR libitm/85988
 134         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 135         __private_tm as base.
 136         (SEG_WRITE): Likewise.
 137         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 138         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 139         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 140         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 141         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 142
 143 2018-05-17  Jason Merrill  <jason@redhat.com>
 144
 145         * beginend.cc (save): Disable -Werror=deprecated-copy.
 146
 147 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 148
 149         PR testsuite/85106
 150         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 151
 152 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 153
 154         PR testsuite/85106
 155         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 156
 157 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 158
 159         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 160         (__CET__ & 2) != 0 check for shadow stack.
 161         (GTM_longjmp): Likewise.
 162
 163 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 164
 165         * configure: Regenerated.
 166
 167 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 168
 169         PR target/85489
 170         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 171
 172 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 173
 174         * configure: Regenerated.
 175
 176 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 177
 178         PR jit/85384
 179         * configure: Regenerate.
 180
 181 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 182
 183         PR target/84148
 184         * configure: Regenerate.
 185
 186 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 187
 188         Update copyright years.
 189
 190         * libitm.texi: Bump @copying's copyright year.
 191
 192 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 193
 194         * Makefile.in: Regenerate.
 195         * acinclude.m4: Add enable.m4 and cet.m4.
 196         * config/x86/sjlj.S: Include cet.h.
 197         (_ITM_beginTransaction): Add _CET_ENDBR.
 198         Save Shadow Stack pointer.
 199         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 200         * config/x86/target.h (struct gtm_jmpbuf):
 201         Add new field for Shadow Stack pointer.
 202         * configure: Regenerate.
 203         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 204         * configure.ac: Update libtool_VERSION for x86.
 205         * testsuite/Makefile.in: Regenerate.
 206
 207 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 208
 209         * libitm/config/x86/target.h: Add new field (ssp).
 210         * libitm/config/x86/sjlj.S: Change offsets.
 211
 212 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 213
 214         * testsuite/lib/libitm.exp: Load scanlang.exp.
 215
 216 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 217
 218         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 219
 220 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 221
 222         PR other/79046
 223         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 224         of cat to get version from BASE-VER file.
 225         * testsuite/Makefile.in: Regenerated.
 226
 227 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 228
 229         * config/x86/target.h (htm_available): Determine vendor from
 230         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 231
 232 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 233
 234         * config/x86/target.h (htm_available): Add check for some processors
 235         on which TSX is broken.
 236
 237 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 238
 239         PR other/79046
 240         * configure.ac: Add GCC_BASE_VER.
 241         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 242         get version from BASE-VER file.
 243         * testsuite/Makefile.in: Regenerated.
 244         * configure: Regenerated.
 245         * Makefile.in: Regenerated.
 246
 247 2017-01-04  Alan Modra  <amodra@gmail.com>
 248
 249         * Makefile.in: Regenerate.
 250         * testsuite/Makefile.in: Regenerate.
 251
 252 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 253
 254         Update copyright years.
 255
 256         * libitm.texi: Bump @copying's copyright year.
 257
 258 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 259
 260         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 261         * aclocal.m4: Regenerate.
 262         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 263         LIBITM_CHECK_LINKER_HWCAP.
 264
 265 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 266
 267         * configure: Regenerate.
 268
 269 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 270
 271         PR libitm/70456
 272         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 273         on cache line if requested.
 274
 275 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 276
 277         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 278         function attribute to disable floating point in begin_transaction() on
 279         S/390.
 280         * beginend.cc (begin_transaction): Use
 281         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 282
 283 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 284
 285         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 286         boundary.
 287         (htm_fastpath): Remove.
 288         (gtm_thread::begin_transaction): Fix HTM fastpath.
 289         (_ITM_commitTransaction): Adapt.
 290         (_ITM_commitTransactionEH): Adapt.
 291         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 292         and accessors.
 293         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 294         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 295         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 296         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 297         * libitm/method-serial.cc (htm_mg): Adapt.
 298         (gtm_thread::serialirr_mode): Adapt.
 299         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 300
 301 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 302
 303         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 304         or AIX.
 305
 306 2016-01-19  Richard Henderson  <rth@redhat.com>
 307
 308         PR bootstrap/69343
 309         PR bootstrap/69339
 310         Revert:
 311         2016-01-13  Richard Henderson  <rth@redhat.com>
 312
 313         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 314         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 315         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 316         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 317         * configure.ac (ARCH_AARCH64): New conditional.
 318         (ARCH_PPC, ARCH_S390): Likewise.
 319         * Makefile.in, configure: Rebuild.
 320
 321         * libitm.h (_ITM_TYPE_M128): Always define.
 322         * vect64.cc: Split ...
 323         * vect128.cc: ... out of...
 324         * config/x86/x86_sse.cc: ... here.
 325         * config/arm/neon.cc: New file.
 326
 327 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 328
 329         * local_type_traits: Remove file.
 330         * libitm_i.h: Don't include it anymore.
 331         (sized_integral): Remove.
 332
 333 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 334
 335         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 336         safety.
 337         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 338         * libitm/testsuite/libitm.c/priv-1.c: New.
 339
 340 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 341
 342         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 343
 344 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 345
 346         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 347         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 348         (gtm_rwlock::write_unlock): Likewise.
 349
 350 2016-01-13  Richard Henderson  <rth@redhat.com>
 351
 352         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 353         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 354         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 355         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 356         * configure.ac (ARCH_AARCH64): New conditional.
 357         (ARCH_PPC, ARCH_S390): Likewise.
 358         * Makefile.in, configure: Rebuild.
 359
 360         * libitm.h (_ITM_TYPE_M128): Always define.
 361         * vect64.cc: Split ...
 362         * vect128.cc: ... out of...
 363         * config/x86/x86_sse.cc: ... here.
 364         * config/arm/neon.cc: New file.
 365
 366 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 367
 368         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 369         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 370         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 371         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 372         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 373         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 374         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 375         (serialirr_dispatch::snapshot_most_recent): New.
 376         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 377
 378 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 379
 380         * libitm_i.h (gtm_mask_stack): Remove.
 381         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 382         * stmlock.h: Remove file.
 383         * config/alpha/cacheline.h: Likewise.
 384         * config/generic/cacheline.h: Likewise.
 385         * config/powerpc/cacheline.h: Likewise.
 386         * config/sparc/cacheline.h: Likewise.
 387         * config/x86/cacheline.h: Likewise.
 388
 389 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 390
 391         Update copyright years.
 392
 393         * libitm.texi: Bump @copying's copyright year.
 394
 395 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 396
 397         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 398         (ml_wt_dispatch::pre_write): Adapt.
 399         (ml_wt_dispatch::pre_load): Likewise.
 400
 401 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 402
 403         * libitm_i.h (gtm_alloc_action): Remove union.
 404         * testsuite/libitm.c/alloc-1.c: New.
 405
 406 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 407
 408         * testsuite/libitm.c++/eh-5.C: New.
 409         * libitm.h (_ITM_cxa_free_exception): New.
 410         * libitm.map (_ITM_cxa_free_exception): Add it.
 411         * libitm.texi: Update ABI docs.
 412         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 413         (gtm_transaction_cp::cxa_uncaught_count): Add.
 414         (gtm_thread::cxa_unthrown): Remove.
 415         (gtm_thread::cxa_uncaught_count_ptr): Add.
 416         (gtm_thread::cxa_uncaught_count): Add.
 417         (gtm_thread::drop_references_allocations): Rename to...
 418         (gtm_thread::discard_allocation): ... this and adapt.
 419         (gtm_thread::init_cpp_exceptions): New.
 420         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 421         (gtm_thread::begin_transaction): Likewise.
 422         (gtm_transaction_cp::save): Likewise.
 423         (gtm_thread::trycommit): Likewise.
 424         * eh_cpp.cc: Add overview comments.
 425         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 426         (free_any_exception, _ITM_cxa_free_exception): New.
 427         (gtm_thread::init_cpp_exceptions): Define.
 428         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 429         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 430         (gtm_thread::revert_cpp_exceptions): Likewise.
 431
 432 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 433
 434         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 435         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 436         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 437         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 438         (gtm_thread::forget_allocations): New overload with size_t argument.
 439         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 440         adapt existing one.
 441         (gtm_thread::record_allocation): Adapt.
 442         (gtm_thread::commit_allocations_1): Adapt.
 443         (gtm_thread::commit_allocations_2): Adapt.
 444         * testsuite/libitm.c++/newdelete.C: New.
 445
 446 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 447             Joseph Myers  <joseph@codesourcery.com>
 448             Mark Shinwell  <shinwell@codesourcery.com>
 449             Andrew Stubbs  <ams@codesourcery.com>
 450             Rich Felker <dalias@libc.org>
 451
 452         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 453         GTM_begin_transaction for compatibility with FDPIC.
 454
 455 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 456
 457         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 458         using load_gcc_lib.
 459
 460 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 461
 462         PR libitm/61164
 463         * local_atomic (__always_inline): Rename to...
 464         (__libitm_always_inline): ... this.
 465
 466 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 467
 468         PR target/52482
 469         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 470
 471 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 472
 473         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 474         operands "op" and "val" to int.
 475
 476 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 477
 478         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 479         "op" and "val" to int.
 480
 481 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 482
 483         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 484         "op" and "val" to int.
 485
 486 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 487
 488         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 489         Declare as static int.
 490         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 491         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 492
 493 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 494
 495         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 496         sys_futex0 function.
 497
 498 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 499
 500         * Makefile.in: Regenerated with automake-1.11.6.
 501         * aclocal.m4: Likewise.
 502         * configure: Likewise.
 503         * testsuite/Makefile.in: Likewise.
 504
 505 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 506
 507         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 508         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 509
 510 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 511
 512         PR libitm/64360
 513         * libitm.c/stackundo.c (test2): Make it static.
 514         (test1): Likewise.
 515
 516 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 517
 518         Update copyright years.
 519
 520 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 521
 522         * libitm.texi: Bump @copying's copyright year.
 523
 524 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 525
 526         * testsuite/lib/libitm.exp: Load target-utils.exp.
 527         Move load of target-supports.exp earlier.
 528
 529 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 530
 531         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 532
 533 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 534
 535         PR bootstrap/63784
 536         * configure: Regenerated.
 537
 538 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 539
 540         PR target/63610
 541         * configure: Regenerate.
 542
 543 2014-10-06  Marek Polacek  <polacek@redhat.com>
 544
 545         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 546         * testsuite/libitm.c/memset-1.c: Likewise.
 547
 548 2014-07-24  Richard Henderson  <rth@redhat.com>
 549
 550         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 551         addressing mode in epilogue.
 552
 553 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 554
 555         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 556         -mclear-hwcap instead.
 557         * configure: Regenerate.
 558         * clearcap.map: Remove.
 559
 560 2014-05-21  John Marino  <gnugcc@marino.st>
 561
 562         * configure.tgt (*-*-dragonfly*): New target.
 563
 564 2014-05-19  Richard Henderson  <rth@redhat.com>
 565
 566         * config/aarch64/sjlj.S: New file.
 567         * config/aarch64/target.h: New file.
 568         * configure.tgt: Enable aarch64.
 569
 570 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 571
 572         * config/generic/asmcfi.h: Also check for
 573         __GCC_HAVE_DWARF2_CFI_ASM.
 574
 575 2013-04-02  Richard Henderson  <rth@redhat.com>
 576
 577         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 578         * config/arm/target.h, config/sh/target.h: Likewise.
 579         * config/sparc/target.h, config/x86/target.h: Likewise.
 580
 581 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 582
 583         * config/linux/futex_bits.h: Include errno.h.
 584         (sys_futex0): If syscall returns -1, return -errno rather than
 585         -1.
 586
 587 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 588
 589         * libitm.texi (Index): Rename to Library Index.
 590
 591 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 592
 593         PR libitm/53113
 594         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 595         (x86_avx.lo): Append -mavx to CXXFLAGS.
 596         * Makefile.in: Regenerate.
 597
 598 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 599
 600         Update copyright years
 601
 602 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 603
 604         * libitm.texi: Bump @copying's copyright year.
 605
 606 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 607
 608         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 609         (FUNC): Define ELFv2 variant.
 610         (END): Likewise.
 611         (HIDDEN): Likewise.
 612         (CALL): Likewise.
 613         (BASE): Likewise.
 614         (LR_SAVE): Likewise.
 615
 616 2013-09-20  Alan Modra  <amodra@gmail.com>
 617
 618         * configure: Regenerate.
 619
 620 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 621
 622         * config/posix/rwlock.cc: Fix initialization order.
 623
 624 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 625
 626         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 627         (htm_fastpath): Assign an asm name.
 628         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 629         HTM fast paths.
 630         (_ITM_actions): Likewise.
 631         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 632         x86_64.
 633         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 634         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 635         field to the start of the structure.
 636         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 637         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 638         handling for custom HTM fast paths.
 639
 640 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 641         Revert:
 642         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 643
 644         * configure.tgt: Add -msoft-float to XCFLAGS.
 645
 646 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 647
 648         * configure.tgt: Add -msoft-float to XCFLAGS.
 649
 650 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 651
 652         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 653         (htm_transaction_active): Enable zEC12 instructions in the
 654         assembler.
 655         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 656
 657 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 658
 659         * acinclude.m4: Add htm asm check for s390.
 660         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 661         * configure: Regenerate.
 662         * config/s390/target.h: Remove __HTM__ check.
 663         (htm_available): Call getauxval to get hwcaps and check whether
 664         HTM is available or not.
 665
 666 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 667
 668         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 669         * configure.ac: Use it.
 670         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 671         (AC_CHECK_FUNCS): Check for getauxval.
 672         * config.h.in, configure: Rebuild.
 673         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 674         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 675         (USE_HTM_FASTPATH): Define.
 676         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 677         _HTM_RETRIES) New macros.
 678         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 679         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 680
 681 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 682
 683         * config/s390/target.h: Include htmintrin.h.
 684         (_HTM_ITM_RETRIES): New macro definition.
 685         (htm_available, htm_init, htm_begin, htm_begin_success)
 686         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 687
 688 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 689             Cesar Philippidis  <cesar@codesourcery.com>
 690
 691         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 692         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 693         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 694         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 695
 696 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 697
 698         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 699         (_ITM_getTransactionId): Same.
 700         * config/x86/target.h (htm_transaction_active): New.
 701
 702 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 703
 704         PR libitm/57643
 705         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 706         the HTM fastpath.
 707
 708 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 709
 710         PR bootstrap/56714
 711         * local_atomic (__always_inline): Always define our version.
 712         (__calculate_memory_order): Mark inline.
 713         (atomic_thread_fence): Ditto.
 714         (atomic_signal_fence): Ditto.
 715         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 716         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 717         (atomic_bool::atomic_flag_test_and_set): Ditto.
 718         (atomic_bool::atomic_flag_clear): Ditto.
 719
 720 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 721
 722         * config/s390/sjlj.S: New file.
 723         * config/s390/target.h: New file.
 724         * configure.tgt: Set options for S/390.
 725
 726 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 727
 728         * local_atomic (__always_inline): Add.
 729         (__calculate_memory_order, atomic_thread_fence,
 730          atomic_signal_fence, test_and_set, clear, store, load,
 731          exchange, compare_exchange_weak, compare_exchange_strong,
 732          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 733         Add __always_inline to force inlining.
 734
 735 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 736             Jack Howarth  <howarth@bromo.med.uc.edu>
 737             Patrick Marlier  <patrick.marlier@gmail.com>
 738
 739         PR libitm/55693
 740         * alloc_cpp.cc: Enable function declarations on darwin.
 741         * eh_cpp.cc: Likewise.
 742
 743 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 744
 745         Update copyright years.
 746
 747 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 748
 749         * beginend.cc (htm_fastpath): New.
 750         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 751         _ITM_commitTransactionEH): Add HTM fastpath handling.
 752         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 753         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 754         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 755         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 756         * configure.tgt: Add -mrtm to XCFLAGS.
 757         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 758         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 759         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 760         * retry.cc (parse_default_method): Add HTM method parsing.
 761         (gtm_thread::number_of_threads_changed): Use HTM by default if
 762         available.
 763
 764 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 765
 766         * configure: Regenerate.
 767
 768 2012-10-31  Richard Henderson  <rth@redhat.com>
 769
 770         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 771         * configure.ac: Use it.
 772         * config.h.in, configure: Rebuild.
 773         * testsuite/Makefile.in: Rebuild.
 774
 775 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 776
 777         * libitm.texi: Clarify ABI requirements for data-logging functions.
 778
 779 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 780
 781         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 782         it requires serial mode instead of assuming that for certain
 783         dispatchs.
 784         * dispatch.h (abi_dispatch::requires_serial): New.
 785         (abi_dispatch::abi_dispatch): Adapt.
 786         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 787         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 788         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 789         serial_dispatch::serial_dispatch,
 790         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 791
 792 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 793
 794         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 795         and ia32 declarations some more.
 796         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 797
 798 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 799
 800         PR other/43620
 801         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 802         * configure: Regenerate.
 803         * Makefile.in: Regenerate.
 804
 805 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 806
 807         * configure: Regenerated.
 808
 809 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 810
 811         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 812
 813 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 814
 815         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 816
 817 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 818
 819         * configure: Regenerated.
 820
 821 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 822
 823         PR libitm/52854
 824         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 825         for x86-64.
 826
 827 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 828
 829         * configure: Regenerate.
 830
 831 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 832
 833         PR bootstrap/52812
 834         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 835
 836 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 837
 838         * testsuite/lib/libitm.exp: load fortran-modules.exp
 839
 840 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 841
 842         * configure.tgt (*-*-irix6*): Remove.
 843
 844 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 845
 846         PR libitm/52526
 847         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 848         wake-up.
 849
 850 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 851
 852         * configure.tgt (*-*-osf*): Remove.
 853         * configure: Regenerate.
 854
 855 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 856
 857         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 858         memtransfer/memset if size isn't larger than zero.
 859
 860 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 861
 862         * libitm.texi: Link to specification and add a usage example.
 863
 864 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 865
 866         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 867         default dispatch for more than 1 thread to ml_wt.
 868
 869 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 870
 871         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 872
 873 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 874
 875         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 876
 877 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 878
 879         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 880         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 881         (gl_wt_dispatch.rollback): Same.
 882
 883 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 884
 885         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 886
 887 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 888
 889         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 890         for RfW src.  Optimize number of calls to gtm_thr.
 891
 892 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 893
 894         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 895         acquisition to ...
 896         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 897         (default_dispatch): Make atomic.
 898         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 899         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 900         use decide_begin_dispatch() if default_dispatch might have changed.
 901         (GTM::gtm_thread::number_of_threads_changed): Initialize
 902         default_dispatch here.
 903
 904 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 905             Patrick Marlier  <patrick.marlier@gmail.com>
 906
 907         PR libitm/52220
 908         * alloc_cpp.cc: No dummy definitions for darwin.
 909         * eh_cpp.cc: Likewise.
 910
 911 2012-02-14  Richard Henderson  <rth@redhat.com>
 912
 913         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 914
 915 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 916
 917         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 918
 919 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 920
 921         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 922         (GTM::gtm_thread): Add read and write logs.
 923         (GTM::dispatch_ml_wt): Declare.
 924         * retry.cc (parse_default_method): Support ml_wt.
 925         * method-ml.cc: New file.
 926         * Makefile.am: Add method-ml.cc.
 927         * Makefile.in: Regenerate.
 928
 929 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 930
 931         * dispatch.h (GTM::abi_dispatch::supports): New.
 932         (GTM::method_group::reinit): New.
 933         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 934         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 935         supports the current situation.
 936
 937 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 938
 939         * util.cc (GTM::xcalloc): New.
 940         * common.h (GTM::xcalloc): Declare.
 941
 942 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 943
 944         * config/sparc/target.h (cpu_relax): Read from CC register.
 945         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 946
 947 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 948
 949         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 950
 951 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 952
 953         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 954         * config/sparc/cacheline.h: New file.
 955         * config/sparc/target.h: Likewise.
 956         * config/sparc/sjlj.S: Likewise.
 957         * config/linux/sparc/futex_bits.h: Likewise.
 958
 959 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 960
 961         * configure.ac (link_itm): Fix comment.
 962         * configure: Regenerate.
 963         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 964
 965 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 966
 967         PR libitm/51822
 968         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 969         Correct libgomp references.
 970
 971 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 972
 973         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 974         wake-up.
 975
 976 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 977
 978         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 979         end of structure.
 980         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 981         offset values.  Do not copy return address.  Decrement stack
 982         by 56 bytes only.
 983         (GTM_longjump) [__x86_64__]: Update offset values.
 984
 985 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 986
 987         PR libitm/51830
 988         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 989         the first function argument to %eax.
 990
 991 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 992
 993         * libitm.h (_ITM_getThreadnum): Remove.
 994         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 995
 996 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 997
 998         * clearcap.map: New file.
 999         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1000         * configure.ac: Call it.
1001         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1002         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1003         * configure: Regenerate.
1004         * Makefile.in: Regenerate.
1005         * testsuite/Makefile.in: Regenerate.
1006
1007 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1008
1009         PR libitm/51173
1010         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1011         include, exclude options.
1012
1013 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1014
1015         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1016         rolling back.
1017         * containers.h (GTM::vector::set_size): New.
1018
1019 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1020
1021         PR libitm/51855
1022         * config/generic/tls.h (GTM::mask_stack_top): New.
1023         (GTM::mask_stack_bottom): Declare.
1024         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1025         * local.cc (gtm_undolog::rollback): Filter out any updates that
1026         overlap the libitm stack.  Add current transaction as parameter.
1027         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1028         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1029         * testsuite/libitm.c/stackundo.c: New test.
1030
1031 2012-01-10  Richard Henderson  <rth@redhat.com>
1032
1033         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1034         * eh_cpp.cc (_Unwind_DeleteException): Define for
1035         !HAVE_ELF_STYLE_WEAKREF.
1036
1037 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1038
1039         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1040         (GTM::gtm_thread::drop_references_undolog): Remove.
1041         (GTM::gtm_thread::commit_undolog,
1042         GTM::gtm_thread::rollback_undolog): Move to ...
1043         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1044         (GTM::gtm_undolog_entry): Remove.
1045         (GTM::gtm_thread): Adapt.
1046         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1047         (GTM::gtm_thread::trycommit): Adapt.
1048         * method-serial.cc (serial_dispatch::log): Adapt.
1049         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1050         (gl_wt_dispatch::store): Fix likely/unlikely.
1051         * containers.h (GTM::vector::resize): Add additional_capacity
1052         parameter and handle it.
1053         (GTM::vector::resize_noinline): New/adapt.
1054         (GTM::vector::push): New.
1055
1056 2012-01-06  Richard Henderson  <rth@redhat.com>
1057
1058         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1059         * config/linux/powerpc/futex_bits.h: New file.
1060         * config/powerpc/cacheline.h: New file.
1061         * config/powerpc/sjlj.S: New file.
1062         * config/powerpc/target.h: New file.
1063         * config/generic/asmcfi.h (cfi_offset): New.
1064         (cfi_restore, cfi_undefined): New.
1065
1066 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1067
1068         PR other/51171
1069         * testsuite/libitm.c/reentrant.c: Remove xfail.
1070         (thread): Pass x to pure().
1071         From Patrik Marlier <patrick.marlier@gmail.com>.
1072
1073 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1074
1075         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1076         privatization safety if already in serial mode.
1077
1078 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1079
1080         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1081         finish_serial_upgrade parameter.
1082         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1083         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1084         Don't unset reader flag.
1085         (GTM::gtm_rwlock::write_upgrade_finish): New.
1086         * config/posix/rwlock.cc: Same.
1087         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1088         Declare.
1089         * config/posix/rwlock.h: Same.
1090         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1091         flag after commit or after rollback when restarting.
1092
1093 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1094
1095         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1096         (GTM::gtm_thread::try_commit): Changed memory order.
1097         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1098         as parameter.
1099         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1100         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1101         * config/linux/futex_bits.h (sys_futex0): Same.
1102         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1103         * config/linux/futex.h (futex_wait, futex_wake): Same.
1104         * config/linux/rwlock.h (gtm_rwlock::writers,
1105         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1106         ints.
1107         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1108         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1109         gtm_rwlock::write_unlock): Fix memory orders and fences.
1110         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1111         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1112         gtm_rwlock::write_unlock): Same.
1113         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1114         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1115         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1116         Add comments.
1117         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1118         gl_wt_dispatch::load, gl_wt_dispatch::store,
1119         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1120         orders and fences.  Add comments.
1121
1122 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1123
1124         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1125         * Makefile.in: Regenerated.
1126
1127 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1128
1129         * configure.tgt: Add sh* case.
1130         * config/sh/target.h: New file.
1131         * config/sh/sjlj.S: New file.
1132         * config/linux/sh/futex_bits.h: New file.
1133
1134 2011-12-14  Richard Henderson  <rth@redhat.com>
1135
1136         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1137         * config/arm/sjlj.S, config/arm/target.h: New files.
1138         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1139         (cfi_rel_offset): New.
1140         * config/linux/futex_bits.h: New file.
1141         * config/linux/futex.cc: Include futex_bits.h here...
1142         * config/linux/futex.h: ... not here.
1143         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1144         * configure.ac (ARCH_AM): New conditional.
1145         * Makefile.in, configure: Rebuild.
1146         * configure.tgt: Handle ARM.
1147
1148 2011-12-13  Richard Henderson  <rth@redhat.com>
1149
1150         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1151         signed/unsigned comparison werror.
1152
1153         * local_atomic: New file.
1154         * libitm_i.h: Include it.
1155         (gtm_thread::shared_state): Use atomic template.
1156         * beginend.cc (GTM::gtm_clock): Use atomic template.
1157         (global_tid): Use atomic template if 64-bit atomics available.
1158         (gtm_thread::gtm_thread): Update shared_state access.
1159         (gtm_thread::trycommit): Likewise.
1160         (choose_code_path): Update global_tid access.
1161         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1162         * stmlock.h (GTM::gtm_clock): Use atomic template.
1163         (gtm_get_clock, gtm_inc_clock): Update accesses.
1164         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1165         redundant __sync_synchronize after atomic shared_state access.
1166         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1167         (gtm_rwlock::write_lock_generic): Likewise.
1168         (gtm_rwlock::read_unlock): Likewise.
1169         * config/alpha/target.h (atomic_read_barrier): Remove.
1170         (atomic_write_barrier): Remove.
1171         * config/x86/target.h (atomic_read_barrier): Remove.
1172         (atomic_write_barrier): Remove.
1173
1174 2011-11-30  Richard Henderson  <rth@redhat.com>
1175
1176         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1177         * beginend.c (_ITM_abortTransaction): Update to match.
1178         (GTM::gtm_thread::restart): Likewise.
1179         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1180         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1181
1182 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1183
1184         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1185         * Makefile.in: Regenerate.
1186
1187 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1188
1189         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1190         * alloc_cpp.cc: Generate dummy functions if we don't
1191         HAVE_ELF_STYLE_WEAKREF.
1192         * eh_cpp.cc: Likewise.
1193         * configure: Regenerate.
1194         * aclocal.m4:  Likewise.
1195         * config.h.in: Likewise.
1196         * Makefile.in: Likewise.
1197         * testsuite/Makefile.in: Likewise.
1198
1199 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1200
1201         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1202         __USER_LABEL_PREFIX__ for targets that use it.
1203         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1204         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1205         in portability to non-elf targets.
1206         (GTM_longjmp): Likewise.
1207         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1208         where required.
1209
1210 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1211
1212         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1213         * testsuite/libitm.c/memset-1.c: Likewise.
1214
1215 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1216
1217         * configure: Regenerate.
1218
1219 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1220
1221         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1222         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1223         * Makefile.am: Handle sun style versioning.
1224         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1225         * configure: Regenerate.
1226         * Makefile.in: Regenerate.
1227
1228 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1229
1230         * config/generic/asmcfi.h: Fix comment.
1231         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1232         sequence without .hidden support, error for non-ELF targets.
1233         (GTM_longjmp) [__ELF__]: Only use .hidden if
1234         HAVE_ATTRIBUTE_VISIBILITY.
1235
1236 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1237
1238         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1239         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1240         Dummy functions.
1241         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1242         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1243
1244 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1245
1246         PR bootstrap/51098
1247         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1248         * configure: Regenerate.
1249
1250 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1251
1252         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1253
1254 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1255
1256         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1257         .hidden.
1258         (.note.GNU-stack): Only use if __linux__.
1259         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1260         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1261         * testsuite/libitm.c/reentrant.c: Likewise.
1262         * testsuite/libitm.c/simple-2.c: Likewise.
1263         * testsuite/libitm.c/txrelease.c: Likewise.
1264         * testsuite/libitm.c++/static_ctor.C: Likewise.
1265
1266 2011-11-10  Richard Henderson  <rth@redhat.com>
1267
1268         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1269         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1270         * configure.ac (ARCH_X86_AVX): New conditional.
1271         * Makefile.in, configure: Rebuild.
1272
1273 2011-11-09  Richard Henderson  <rth@redhat.com>
1274
1275         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1276         * configure.ac: Use it.
1277         * config.h.in, configure: Rebuild.
1278         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1279
1280 2011-11-09  Richard Henderson  <rth@redhat.com>
1281
1282         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1283         * config/alpha/unaligned.h: Remove file.
1284         * config/generic/unaligned.h: Remove file.
1285         * config/x86/unaligned.h: Remove file.
1286         * config/generic/cachepage.h: Remove file.
1287         * config/posix/cachepage.cc: Remove file.
1288         * config/generic/cacheline.cc: Remove file.
1289         * config/x86/cacheline.cc: Remove file.
1290         * config/generic/cacheline.h (gtm_cacheline): Remove the
1291         store_mask, copy_mask, copy_mask_wb methods.
1292         * config/x86/cacheline.h: Likewise.
1293         * config/alpha/cacheline.h: Fall back to generic after setting size.
1294         * config/generic/tls.cc (gtm_mask_stack): Remove.
1295         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1296         (GTM_vpalignr_table): Remove.
1297         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1298         (GTM_pshift_table): Remove.
1299         * config/libitm_i.h: Don't include cachepage.h.
1300         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1301         * Makefile.in, testsuite/Makefile.in: Rebuild.
1302
1303 2011-11-09  Richard Henderson  <rth@redhat.com>
1304
1305         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1306         to emit branch prediction hint.
1307
1308         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1309         Protect .note.GNU-stack with __linux__.
1310
1311         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1312         * configure, aclocal.m4, config.h.in: Rebuild.
1313         * config/generic/asmcfi.h: New file.
1314         * config/x86/sjlj.S: Use it.
1315
1316 2011-11-08  Richard Henderson  <rth@redhat.com>
1317
1318         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1319
1320 2011-11-08  Richard Henderson  <rth@redhat.com>
1321
1322         * configure.tgt: Test correct directory for supported cpus.
1323
1324         * configure.ac: Exit if unsupported.
1325         * configure: Rebuild.
1326         * configure.tgt: Delete boilerplate from libgomp for unsupported
1327         targets.  Set UNSUPPORTED for unsupported targets.
1328
1329 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1330
1331         * configure.tgt: Handle i386 like i[456]86.
1332         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1333         take address.
1334         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1335         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1336
1337 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1338
1339         * method-wbetl.cc: Update copyright notice.
1340         * aatree.cc: Same.
1341         * util.cc: Same.
1342         * libitm.h: Same.
1343         * memset.cc: Same.
1344         * eh_cpp.cc: Same.
1345         * barrier.tpl: Same.
1346         * useraction.cc: Same.
1347         * stmlock.h: Same.
1348         * memcpy.cc: Same.
1349         * common.h: Same.
1350         * config/generic/tls.cc: Same.
1351         * config/generic/cacheline.h: Same.
1352         * config/generic/cachepage.h: Same.
1353         * config/generic/cacheline.cc: Same.
1354         * config/generic/unaligned.h: Same.
1355         * config/x86/cacheline.h: Same.
1356         * config/x86/cacheline.cc: Same.
1357         * config/x86/unaligned.h: Same.
1358         * config/alpha/cacheline.h: Same.
1359         * config/alpha/unaligned.h: Same.
1360         * config/alpha/sjlj.S: Same.
1361         * config/posix/cachepage.cc: Same.
1362         * config/linux/futex.h: Same.
1363         * config/linux/alpha/futex_bits.h: Same.
1364
1365 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1366
1367         * libitm.texi: No cover text and invariant sections.
1368
1369 2011-11-03  Richard Henderson  <rth@redhat.com>
1370
1371         * local_type_traits: New file.
1372         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1373
1374 2011-11-03  Richard Henderson  <rth@redhat.com>
1375
1376         * configure.ac: Don't test for gfortran.
1377         * configure: Rebuild.
1378
1379         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1380         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1381
1382 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1383
1384         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1385         * testsuite/libitm.c/memset-1.c: Same.
1386         * testsuite/libitm.c/c.exp: Same.
1387         * testsuite/lib/libitm-dg.exp: Same.
1388         * testsuite/lib/libitm.exp: Same.
1389         * testsuite/libitm.c++/c++.exp: Same.
1390
1391 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1392
1393         * testsuite/config/default.exp: Update copyright date.
1394         * configure.ac: Add copyright info.
1395         * configure.tgt: Same.
1396
1397 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1398
1399         * testsuite/libitm.c/reentrant.c: XFAIL.
1400         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1401
1402 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1403
1404         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1405         handle aborts.
1406         (_ITM_abortTransaction): Handle aborts of outer transactions.
1407         * libitm_i.h: Same.
1408         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1409         * libitm.texi: Document aborts of outer transactions.
1410         * testsuite/libitm.c/cancel.c: New file.
1411
1412 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1413
1414         * testsuite/*: Change __transaction to __transaction_atomic or
1415         __transaction_relaxed.
1416
1417 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1418
1419         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1420         (gtm_thr): Same.
1421
1422 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1423
1424         * libitm_i.h: Add gl_wt dispatch.
1425         * retry.cc (parse_default_method): Same.
1426         * method-gl.cc: New file.
1427         * Makefile.am: Use method-gl.cc.
1428         * Makefile.in: Rebuild.
1429
1430 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1431
1432         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1433         safety if requested by a TM method.
1434         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1435         privatization safety.
1436         * method-serial.cc: Same.
1437
1438 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1439
1440         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1441         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1442         undolog-related member functions from *_local to *_undolog.
1443         * local.cc (gtm_thread::commit_undolog): Same.
1444         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1445         (GTM::gtm_thread::rollback): Roll back undolog before
1446         dispatch-specific rollback.
1447
1448 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1449
1450         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1451         re-initialization of the current method group.
1452         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1453
1454 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1455
1456         * alloc.cc (commit_allocations_2): Do not free transaction-local
1457         memory when committing a nested transaction.
1458
1459 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1460
1461         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1462         serial-irrevocable dispatch, not serial.
1463
1464 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1465
1466         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1467         declarations.
1468         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1469         * method-serial.cc: Implement begin_or_restart().
1470         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1471         dispatch-specific begin_or_restart().
1472         (GTM::gtm_thread::restart): Same.
1473
1474 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1475
1476         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1477         restarting without switching to serial mode.
1478         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1479         transaction state. Choose closed-nesting alternative if available.
1480         (GTM::gtm_thread::set_default_dispatch): New.
1481         (parse_default_method): New.
1482         (GTM::gtm_thread::number_of_threads_changed): New.
1483         * method-serial.cc (GTM::serial_mg): New method group class.
1484         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1485         fini.
1486         (GTM::serial_dispatch): Same.
1487         (GTM::serialirr_onwrite_dispatch): Same.
1488         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1489         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1490         registered threads.
1491         (GTM::gtm_thread::gtm_thread): Same.
1492         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1493         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1494         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1495         choose dispatch but set state according to dispatch here.
1496         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1497         (GTM::method_group): New class.
1498         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1499         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1500         * libitm.texi: Document TM methods, method groups, method life cycle.
1501         Rename method sets to method groups.
1502
1503 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1504
1505         * config/x86/tls.h: Moved to ...
1506         * config/linux/x86/tls.h: ... here.
1507
1508 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1509
1510         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1511         Add X32 support.
1512         * config/x86/sjlj.S: Same.
1513
1514 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1515
1516         * config/linux/rwlock.h: New file.
1517         * config/linux/rwlock.c: New file.
1518         * configure.ac: Reenable futex support (undo SVN rev 157758).
1519         * Makefile.am: Same.
1520         * configure.tgt: Same.
1521         * config/linux/alpha/futex_bits.h: Same.
1522         * config/linux/futex.h: Same. Return number of woken processes.
1523         * config/linux/futex.cc: Same.
1524         (futex_wait): Remove spinning.
1525         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1526         Use __x86_64__ instead of __LP64__.
1527         * aclocal.m4: Include generic futex checks.
1528         * configure: Rebuild.
1529         * Makefile.in: Rebuild.
1530         * testsuite/Makefile.in: Rebuild.
1531         * beginend.cc: Include pthread.h.
1532         * config/posix/cachepage.cc: Same.
1533
1534 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1535
1536         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1537         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1538         (set_gtm_thr): New.
1539         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1540         (set_gtm_thr): New.
1541         (GTM::gtm_thread::thread_num): Removed.
1542         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1543         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1544         tx-to-thread renaming.
1545         * beginend.cc: Adapted to tx-to-thread renaming.
1546         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1547         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1548         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1549         gtm_transaction to gtm_thread.
1550         (_ITM_getThreadnum): Removed. Not supported anymore.
1551         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1552         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1553         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1554         gtm_tx-to-gtm_thr renaming if necessary.
1555         * eh_cpp.cc: Same.
1556         * local.cc: Same.
1557         * retry.cc: Same.
1558         * clone.cc: Same.
1559         * alloc.cc: Same.
1560         * alloc_c.cc: Same.
1561         * alloc_cpp.cc: Same.
1562         * method-serial.cc: Same.
1563         * config/generic/tls.cc: Same.
1564         * config/posix/rwlock.h (gtm_rwlock): Same.
1565         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1566
1567 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1568
1569         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1570         implementation.
1571         (gtm_rwlock::read_unlock): Same.
1572         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1573         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1574         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1575         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1576         w_upgrade. Replaced by per-transaction flags (in shared_state).
1577         Added c_confirmed_writers.
1578         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1579         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1580         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1581         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1582         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1583         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1584         * libitm.texi: Document locking conventions and implementations in
1585         libitm.
1586
1587 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1588
1589         * libitm_i.h (next_tx): Add list of all threads' transaction.
1590         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1591         transaction with list of transactions and ...
1592         (thread_exit_handler): ... deregister here.
1593         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1594         * config/x86/target.h: Same.
1595
1596 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1597
1598         * testsuite/libitm.c++/static_ctor.C: New file.
1599
1600 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1601
1602         * testsuite/libitm.c/reentrant.c: New file.
1603
1604 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1605
1606         * config/generic/tls.h: Remove the free list for transactions and ...
1607         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1608         (GTM::gtm_transaction::operator delete): ... and release here.
1609         (thread_exit_handler): New. Delete tx when thread terminates.
1610         (thread_exit_init): New.
1611         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1612         * testsuite/libitm.c/txrelease.c: New file.
1613
1614 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1615
1616         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1617         * testsuite/libitm.c/notx.c: New file.
1618
1619 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1620
1621         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1622         * libitm_i.h (local_tid): ... to here.
1623         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1624         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1625
1626 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1627
1628         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1629         serialirr_onwrite_dispatch as new default for now.
1630         * method-serial.cc (serialirr_onwrite_dispatch): New.
1631         (GTM::dispatch_serialirr_onwrite): New.
1632         * libitm_i.h: Same.
1633
1634 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1635
1636         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1637         * query.cc (_ITM_getTransactionId): There is no active transaction if
1638         the current nesting level is zero.
1639
1640 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1641
1642         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1643         rollback.
1644
1645 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1646
1647         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1648         transaction properties from the caller instead of from the
1649         transaction object.
1650         * libitm_i.h: Same.
1651         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1652
1653 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1654
1655         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1656         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1657         * dispatch.h: Same.
1658         * method-serial.cc: Same.
1659         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1660         flat nesting as default, and closed nesting on demand.
1661         (GTM::gtm_transaction::rollback): Same.
1662         (_ITM_abortTransaction): Same.
1663         (GTM::gtm_transaction::restart): Same.
1664         (GTM::gtm_transaction::trycommit): Same.
1665         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1666         (choose_code_path): New.
1667         (GTM::gtm_transaction_cp::save): New.
1668         (GTM::gtm_transaction_cp::commit): New.
1669         * query.cc (_ITM_inTransaction): Support flat nesting.
1670         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1671         (GTM::gtm_transaction): Support flat and closed nesting.
1672         * alloc.cc (commit_allocations_2): New.
1673         (commit_cb_data): New helper struct.
1674         (GTM::gtm_transaction::commit_allocations): Handle nested
1675         commits/rollbacks.
1676         * libitm.texi: Update user action section, add description of nesting.
1677
1678 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1679
1680         * libitm_i.h: Add closed nesting as restart reason.
1681         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1682
1683 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1684
1685         * useraction.cc: Use vector instead of list to store actions.
1686         Also support partial rollbacks for closed nesting.
1687         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1688         * beginend.cc: Same.
1689
1690 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1691
1692         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1693         closed_nesting flags, as well as a closed nesting alternative.
1694         * method-serial.cc: Same.
1695         (serial_dispatch): Renamed to serialirr_dispatch.
1696         (GTM::dispatch_serialirr): Same.
1697         (serial_dispatch_ul): Renamed to serial_dispatch.
1698         (GTM::dispatch_serial): Same.
1699
1700 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1701
1702         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1703
1704 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1705
1706         * aatree.h (aa_tree::remove): New.
1707         (aa_tree::operator new): Add placement new.
1708
1709 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1710
1711         * containers.h: New file.
1712         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1713         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1714         * common.h: ... to here.
1715         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1716         * local.cc: Same.
1717
1718 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1719
1720         * libitm_i.h (STATE_ABORTING): Remove.
1721         * beginend.cc (_ITM_abortTransaction): Same.
1722         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1723         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1724         (_ITM_rollbackTransaction): Remove.
1725         * beginend.cc: Same.
1726         * libitm.map: Same.
1727         * libitm.texi: Document these ABI changes.
1728
1729 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1730
1731         * libitm.texi: New file.
1732         * Makefile.am: Add libitm.texi.
1733         * Makefile.in: Rebuild.
1734
1735 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1736
1737         * libitm_i.h: Move parts to common.h and dispatch.h.
1738         * common.h: New file.
1739         * dispatch.h: New file, new dispatch class.
1740         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1741         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1742         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1743         decision to retry.cc.
1744         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1745         only.
1746         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1747         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1748         logging.
1749         * barrier.cc: Use new barriers definitions.
1750         (abi_dispatch::memmove_overlap_check): New.
1751         * config/x86/x86_sse.cc: Same.
1752         * config/x86/x86_avx.cc: Same.
1753         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1754         memcpy.cc.
1755         * Makefile.in: Rebuild.
1756         * method-readonly.cc: Remove.
1757         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1758         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1759
1760 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1761
1762         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1763         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1764         * testsuite/libitm.c/dropref-2.c: Same.
1765         * testsuite/libitm.c/dropref.c: Same.
1766
1767 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1768
1769         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1770         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1771         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1772         * alloc_c.cc: Same.
1773         * barrier.tpl: Same.
1774         * beginend.c: Same.
1775         * config/generic/tls.h: Same.
1776         * config/x86/tls.h: Same.
1777         * libitm_i.h: Same.
1778         * memcpy.cc: Same.
1779         * memset.cc: Same.
1780         * method-readonly.cc: Same.
1781         * method-serial.cc: Same.
1782         * method-wbetl.cc: Same.
1783         * retry.cc: Same.
1784
1785 2011-03-03  Richard Henderson  <rth@redhat.com>
1786
1787         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1788         From Patrik Marlier <patrick.marlier@unine.ch>.
1789
1790 2011-02-03  Richard Henderson  <rth@redhat.com>
1791
1792         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1793         * configure.ac: Use it.
1794         * configure, config.h.in: Rebuild.
1795         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1796         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1797         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1798         * libitm.map: Use wildcards to match size_t mangling.
1799
1800 2010-12-14  Richard Henderson  <rth@redhat.com>
1801
1802         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1803         blocks of TIDs per thread.
1804         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1805         (setup_gtm_thr): Return the thread structure.
1806         * config/x86/tls.h (setup_gtm_thr): Likewise.
1807
1808 2010-12-14  Richard Henderson  <rth@redhat.com>
1809
1810         * clone.cc (table_lock): Remove.
1811         (find_clone): Don't take it.
1812         (ExcludeTransaction): New helper class.
1813         (_ITM_registerTMCloneTable): Use it.
1814         (_ITM_deregisterTMCloneTable): Likewise.
1815
1816 2010-12-14  Richard Henderson  <rth@redhat.com>
1817
1818         * config/x86/tls.h: New file.
1819
1820 2010-07-15  Richard Henderson  <rth@redhat.com>
1821
1822         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1823         * Makefile.in: Rebuild.
1824
1825 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1826
1827         * method-wbetl.cc (trydropreference): Fix source line.
1828
1829 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1830
1831         * libitm.h: Add comment.
1832         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1833
1834 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1835
1836         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1837         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1838         available, use pthread mutexes.
1839         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1840         * config.h.in: Regenerate.
1841         * configure: Regenerate.
1842
1843 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1844
1845         * libitm.h (ITM_PURE): Define.
1846         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1847
1848 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1849
1850         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1851         (validate): Add comment.
1852         (trydropreference): New.
1853         * method-readonly.cc (class readonly_dispatch): Add
1854         trydropreference.
1855         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1856         Call trydropreference().
1857         * libitm.h (_ITM_dropReferences): Remove const attribute.
1858         * method-serial.cc (class serial_dispatch): Add trydropreference.
1859         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1860
1861 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1862
1863         * memcpy.cc (do_memcpy): Comment.
1864
1865 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1866
1867         * barrier.tpl: Add comments throughout.
1868
1869 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1870
1871         * method-wbetl.cc (struct w_entry): Add comments.
1872         (trycommit): Same.
1873         (rollback): Same.
1874
1875 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1876
1877         * alloc_c.cc (_ITM_dropReferences): New.
1878         * libitm.map (_ITM_dropReferences): Add.
1879         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1880         * libitm_i.h (struct gtm_transaction): Declare
1881         drop_references_allocations and drop_references_local.
1882         * local.cc (rollback_local): Ignore memory when applicable.
1883         (drop_references_local): New.
1884
1885 2010-06-23  Richard Henderson  <rth@redhat.com>
1886
1887         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1888         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1889         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1890         * config/alpha/target.h: Likewise.
1891         * config/generic/tls.cc (gtm_mask_stack): Use it.
1892
1893 2010-06-23  Richard Henderson  <rth@redhat.com>
1894
1895         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1896         a mutex instead of trying a lock-free compare-and-swap on the list.
1897         (gtm_cacheline_page::operator delete): Likewise.
1898
1899 2010-06-16  Richard Henderson  <rth@redhat.com>
1900
1901         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1902         that overlap the libitm stack.
1903         * barrier.tpl: Mark incoming stack.
1904         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1905         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1906         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1907         * memcpy.cc, memset.cc: Likewise.
1908         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1909         * config/generic/tls.h (gtm_thread): Add stack_top member.
1910         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1911         * libitm_i.h (gtm_mask_stack): Declare.
1912         * config/generic/tls.cc: New file.
1913         * Makefile.am (libitm_la_SOURCES): Add it.
1914         (AM_CXXFLAGS): Turn off exceptions.
1915         * Makefile.in: Rebuild.
1916
1917 2010-06-16  Richard Henderson  <rth@redhat.com>
1918
1919         * alloc.cc (struct gtm_alloc_action): Move definition ...
1920         * libitm_i.h: ... here.
1921         (class gtm_transaction): Declare new and delete.
1922         * beginend.cc (alloc_tx): Reformulate as operator new.
1923         (free_tx): Reformulate as operator delete.
1924         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1925
1926 2010-06-11  Richard Henderson  <rth@redhat.com>
1927
1928         * clone.cc (clone_entry_compare): Fix typo.
1929         From Patrik Marlier <patrick.marlier@unine.ch>.
1930
1931 2010-05-13  Richard Henderson  <rth@redhat.com>
1932
1933         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1934         in extern "C".
1935
1936 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1937
1938         * libitm_i.h (struct gtm_transaction): Remove
1939         get_allocation_size.
1940         (record_allocation): Remove size parameter.
1941         * libitm.map (_ITM_realloc): Remove.
1942         * alloc_c.cc (_ITM_realloc): Remove.
1943         (_ITM_malloc): Remove size argument to record_allocation.
1944         (_ITM_calloc): Same.
1945         * alloc_cpp.cc (_ZGTtnwm): Same.
1946         (_ZGTtnwmRKSt9nothrow_t): Same.
1947         (_ZGTtnam): Same.
1948         (_ZGTtnamRKSt9nothrow_t): Same.
1949         * alloc.cc (struct gtm_alloc_action): Remove size.
1950         (get_allocation_size): Remove.
1951         (commit_allocations): Add comment.
1952         (record_allocation): Remove size parameter.
1953         (forget_allocation): Remove set of size.
1954
1955 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1956
1957         * Makefile.am (abi_version): New.
1958         (AM_CXXFLAGS): Pass abi_version.
1959         * Makefile.in: Regenerate.
1960         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1961
1962 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1963
1964         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1965         _ITM_getTMCloneOrIrrevokable.
1966         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1967         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1968
1969 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1970
1971         * configure.ac: Remove Linux futex support.
1972         * configure.tgt (config_path): Same.
1973         * Makefile.am: Same.
1974         * config/linux: Remove entire directory.
1975         * configure: Rebuild.
1976         * Makefile.in: Rebuild.
1977         * testsuite/Makefile.in: Rebuild.
1978
1979 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1980
1981         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1982         switching to serial mode.
1983         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1984
1985 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1986
1987         * configure.tgt: Add emacs -*- tags.
1988         * barrier.tpl: Same.
1989
1990 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1991
1992         * Makefile.am: Rename serial.cc to method-serial.cc.
1993         * Makefile.in: Regenerate with automake 1.11.1.
1994         * testsuite/Makefile.in: Same.
1995         * aclocal.m4: Regenerate with aclocal 1.11.1.
1996         * method-serial.cc: Rename from serial.cc.
1997         * libitm_i.h (struct gtm_transaction): Update comment on
1998         serialirr_mode.
1999
2000 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2001
2002         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2003         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2004
2005 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2006
2007         * configure: Rebuild.
2008
2009 2009-11-12  Richard Henderson  <rth@redhat.com>
2010
2011         * Rewrite everything in C++.
2012
2013 2009-11-03  Richard Henderson  <rth@redhat.com>
2014
2015         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2016         * Makefile.am (libitm_la_SOURCES): Add them.
2017         * configure.ac (ARCH_X86): New conditional.
2018         * Makefile.in, configure: Rebuild.
2019         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2020         Move futex setup into "other system configury" case.
2021         * local.c (rollback_local): Merge into ...
2022         (GTM_rollback_local): ... here.
2023         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2024         (_ITM_LB): Define as an alias to GTM_LB.
2025
2026 2009-11-03  Richard Henderson  <rth@redhat.com>
2027
2028         * method-readonly.c: New file.
2029         * Makefile.am (libitm_la_SOURCES): Add it.
2030         * Makefile.in: Rebuild.
2031         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2032         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2033         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2034         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2035         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2036         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2037         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2038         gtm_get_clock, gtm_inc_clock): New.
2039         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2040         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2041         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2042         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2043         replace uses with new libitm_i.h symbols.
2044         (dispatch_wbetl): Rename from wbetl_dispatch.
2045         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2046         away from dispatch_readonly; abort if the beginTransaction call
2047         asserted that the transaction was readonly.
2048
2049 2009-11-03  Richard Henderson  <rth@redhat.com>
2050
2051         * memset.c: New file.
2052         * Makefile.am (libitm_la_SOURCES): Add it.
2053         * Makefile.in: Rebuild.
2054         * testsuite/libitm.c/memset-1.c: New.
2055
2056 2009-11-03  Richard Henderson  <rth@redhat.com>
2057
2058         * dispatch.c: Remove file.
2059         * useraction.c (struct gtm_user_action): Move from libitm.h.
2060         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2061         (serial_memset, serial_memmove, serial_memcpy): Remove.
2062         (serial_W*, serial_R*): Remove.
2063         (serial_dispatch): Update to match.
2064         * configure.ac: Move Werror down below configure checks.  Don't
2065         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2066         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2067         Use GCC_AC_FUNC_MMAP_BLACKLIST
2068         * libitm.h: Split out all internal items to...
2069         * libitm_i.h: ... here.  New file.
2070         * copymask.c: New file.
2071         * local.c (struct gtm_local_undo): Move from libitm.h.
2072         (GTM_alloc_local): Rename from alloc_local; export.
2073         * memcpy.c: New file.
2074         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2075         * config/posix/page.c: New file.
2076         * config/posix/target_tls.h: Remove file.
2077         * barrier.c: New file.
2078         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2079         copymask.c, page.c.
2080         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2081         * method-wbetl.c: Rewrite for new cacheline methods.
2082         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2083
2084         * config/alpha/sjlj.S: Fix typo.
2085         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2086         * config/alpha/copymask.c: New file.
2087         * config/alpha/target.h (CACHELINE_SIZE): New.
2088         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2089
2090         * config/x86/target_i.h: Copy functions from x86/target.h.
2091         * config/x86/copymask.c: New file.
2092         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2093         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2094         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2095         * config/x86/target_tls.h: Move contents to target_i.h.
2096
2097         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2098         * testsuite/libitm.c/memcpy-1.c: New.
2099
2100 2009-10-22  Richard Henderson  <rth@redhat.com>
2101
2102         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2103         (AM_CCASFLAGS): New.
2104         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2105         saving/restoring _AC_ARG_VAR_PRECIOUS.
2106         * Makefile.in, aclocal.m4, config.h.in, configure,
2107         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2108
2109 2009-10-22  Richard Henderson  <rth@redhat.com>
2110
2111         * testsuite/*: Update for new compiler syntax.
2112
2113 2009-10-21  Richard Henderson  <rth@redhat.com>
2114
2115         * libitm.h (_ITM_abortReason): Add outerAbort.
2116
2117 2009-08-03  Richard Henderson  <rth@redhat.com>
2118
2119         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2120         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2121         * method-wbetl.c (struct w_entry): Remove mask.
2122         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2123         adjust all callers.
2124
2125 2009-07-22  Richard Henderson  <rth@redhat.com>
2126
2127         * eh_cpp.c: New file.
2128         * Makefile.am (libitm_la_SOURCES): Add it.
2129         * Makefile.in: Rebuild.
2130         * beginend.c (GTM_rollback_transaction): Undo exception state.
2131         (GTM_trycommit_transaction): Mark inline.
2132         (GTM_trycommit_and_finalize_transaction): Split out from ...
2133         (_ITM_commitTransaction): ... here.
2134         (_ITM_commitTransactionEH): New function.
2135         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2136         cxa_unthrown, eh_in_flight; reorder.
2137
2138         * testsuite/libitm.c++/c++.exp: New.
2139         * testsuite/libitm.c++/eh-1.C: New.
2140
2141         * aatree.c (aa_free): Remove REGPARM.
2142         * aatree.h: Remove all REGPARM.
2143
2144 2009-07-18  Richard Henderson  <rth@redhat.com>
2145
2146         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2147         * Makefile.am (libitm_la_SOURCES): Add them.
2148         * Makefile.in: Rebuild.
2149         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2150         (GTM_trycommit_transaction): Likewise.
2151         * libitm.h: Include aatree.h
2152         (struct gtm_alloc_action): New.
2153         (struct gtm_transaction): Add alloc_actions.
2154         (GTM_record_allocation, GTM_forget_allocation): Declare.
2155         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2156         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2157         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2158         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2159         _ZGTtdaPvRKSt9nothrow_t): Export.
2160
2161 2009-07-18  Richard Henderson  <rth@redhat.com>
2162
2163         * target_tls.h: Move ...
2164         * config/posix/target_tls.h: ... here.
2165
2166 2009-07-07  Richard Henderson  <rth@redhat.com>
2167
2168         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2169
2170 2009-07-07  Richard Henderson  <rth@redhat.com>
2171
2172         * Update to GPL3.
2173
2174 2009-07-07  Richard Henderson  <rth@redhat.com>
2175
2176         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2177         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2178
2179         * configure.tgt: Don't use -ftls-model for x86 linux.
2180         * libitm.h: Include target.h after standard includes.
2181         (_gtm_thr): Rename from gtm_thr.
2182         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2183         (gtm_disp, set_gtm_disp): New.
2184         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2185         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2186         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2187
2188 2009-07-07  Richard Henderson  <rth@redhat.com>
2189
2190         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2191
2192 2009-07-06  Richard Henderson  <rth@redhat.com>
2193
2194         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2195         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2196         (_ITM_beginTransaction): Take variadic arguments.
2197         (_ITM_registerThrownObject): Declare.
2198         * beginend.c, serial.c: Update.
2199         * libitm.map: Add _ITM_registerThrownObject.
2200
2201 2009-01-28  Richard Henderson  <rth@redhat.com>
2202
2203         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2204         * Makefile.in: Rebuild.
2205         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2206         (GTM_restart_transaction): Fix uninstrumented code check.
2207         * retry.c (GTM_decide_retry_strategy): Add serial check.
2208         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2209         automatically go irrevokable when in serial mode.
2210         * clone.c: New file.
2211         * libitm.h, libitm.map: Update.
2212
2213 2009-01-27  Richard Henderson  <rth@redhat.com>
2214
2215         * Makefile.am (LTCCASCOMPILE): Define.
2216         (libitm_la_SOURCES): Add methid-wbetl.c.
2217         * testsuite/Makefile.am: New
2218         * configure.ac: Add testsuite/Makefile.
2219         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2220         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2221         (_ITM_abortTransaction): Finalize implementation method; pass
2222         transaction properties to longjmp.
2223         (GTM_restart_transaction): Split out from ...
2224         (_ITM_commitTransaction): ... here.
2225         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2226         Move to config/x86/target.h.
2227         * config/linux/alpha/futex_bits.h: New.
2228         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2229         * config/x86/target.h: Disable target types for 32-bit.
2230         * config/alpha/sjlj.S, config/alpha/target.h: New.
2231         * libitm.h (struct gtm_dispatch): Add init, fini.
2232         (enum restart_reason): New.
2233         (struct gtm_transaction): Add method and restarts.
2234         * retry.c (GTM_decide_retry_strategy): Implement.
2235         * serial.c (serial_init, serial_fini): New.
2236         (GTM_serialmode): Finialize outgoing method.
2237         * method-wbetl.c: New.
2238
2239 2008-12-09  Richard Henderson  <rth@redhat.com>
2240
2241         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2242         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2243         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2244         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2245         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2246         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2247         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2248         * serial.c (serial_R##T, serial_W##T): Likewise.
2249
2250 2008-11-21  Richard Henderson  <rth@redhat.com>
2251
2252         * Initial commit.
2253 \f
2254 Copyright (C) 2008-2020 Free Software Foundation, Inc.
2255
2256 Copying and distribution of this file, with or without modification,
2257 are permitted in any medium without royalty provided the copyright
2258 notice and this notice are preserved.