libitm/ChangeLog

   1 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
   2
   3         * configure: Regenerate.
   4
   5 2020-10-01  Alan Modra  <amodra@gmail.com>
   6
   7         * config/powerpc/sjlj.S: Support __PCREL__ code.
   8
   9 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  10
  11         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  12
  13 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  14
  15         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  16         and add BTI c to function entries.
  17
  18 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  19
  20         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  21
  22 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  23
  24         PR bootstrap/95413
  25         * configure: Regenerated.
  26
  27 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  28
  29         PR bootstrap/95147
  30         * configure: Regenerated.
  31
  32 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  33
  34         * configure: Regenerated.
  35
  36 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  37
  38         Fix throw specifiers on interface.
  39         * libitm/libitm.h (_ITM_NOTHROW): Define.
  40         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  41         (_ITM_cxa_begin_catch): Use it.
  42         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  43         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  44         __cxa_get_globals.
  45         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  46         (_ITM_cxa_begin_catch): Likewise.
  47
  48 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  49
  50         * testsuite/lib/libitm.exp (libitm_init): Add
  51         -fdiagnostics-color=never to options.
  52
  53 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  54
  55         PR libstdc++/79193
  56         PR libstdc++/88999
  57
  58         * configure: Regenerated.
  59
  60 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
  61
  62         * configure.ac: Handle `--with-toolexeclibdir='.
  63         * Makefile.in: Regenerate.
  64         * aclocal.m4: Regenerate.
  65         * configure: Regenerate.
  66         * testsuite/Makefile.in: Regenerate.
  67
  68 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
  69
  70         Update copyright years.
  71
  72         * libitm.texi: Bump @copying's copyright year.
  73
  74 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  75
  76         PR libgomp/91938
  77         * configure.tgt: Avoid IE tls on *-*-musl*.
  78
  79 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
  80
  81         * configure: Regenerate.
  82
  83 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  84
  85         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
  86
  87 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
  88
  89         * configure.tgt: Handle *-*-uclinux*.
  90         * configure: Regenerate.
  91
  92 2019-09-06  Florian Weimer  <fweimer@redhat.com>
  93
  94         * configure: Regenerate.
  95
  96 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
  97
  98         PR other/79543
  99         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 100         scanning to conform to the GNU Coding Standards.
 101         * configure: Regenerate.
 102
 103 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 104
 105         * Makefile.am (finclude): Remove.
 106         * Makefile.in: Regenerated.
 107
 108 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 109
 110         Update copyright years.
 111
 112 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 113
 114         * libitm.texi: Bump @copying's copyright year.
 115
 116 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 117
 118         PR c++/88482
 119         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 120         void * to void (*) (void *).
 121         (_ITM_cxa_throw): Likewise.
 122         * libitm.h (_ITM_cxa_throw): Likewise.
 123         * libitm.texi (_ITM_cxa_throw): Likewise.
 124
 125 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 126
 127         * config/powerpc/target.h (htm_available):  Add support for
 128         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 129
 130 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 131
 132         PR bootstrap/82856
 133         * Makefile.am: Include multilib.am.
 134         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 135         (CLEANFILES): Remove libitm.info.
 136         * configure.ac: Remove AC_PREREQ.
 137         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 138         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 139         Regenerate.
 140
 141 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 142
 143         PR libitm/86293
 144         * method-serial.cc: Mark varible as potentially unused
 145         to silence warning.
 146
 147 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 148
 149         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 150         absolute relocation in a shared library.
 151
 152 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 153
 154         PR libitm/85988
 155         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 156         __private_tm as base.
 157         (SEG_WRITE): Likewise.
 158         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 159         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 160         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 161         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 162         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 163
 164 2018-05-17  Jason Merrill  <jason@redhat.com>
 165
 166         * beginend.cc (save): Disable -Werror=deprecated-copy.
 167
 168 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 169
 170         PR testsuite/85106
 171         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 172
 173 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 174
 175         PR testsuite/85106
 176         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 177
 178 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 179
 180         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 181         (__CET__ & 2) != 0 check for shadow stack.
 182         (GTM_longjmp): Likewise.
 183
 184 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 185
 186         * configure: Regenerated.
 187
 188 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 189
 190         PR target/85489
 191         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 192
 193 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 194
 195         * configure: Regenerated.
 196
 197 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 198
 199         PR jit/85384
 200         * configure: Regenerate.
 201
 202 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 203
 204         PR target/84148
 205         * configure: Regenerate.
 206
 207 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 208
 209         Update copyright years.
 210
 211         * libitm.texi: Bump @copying's copyright year.
 212
 213 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 214
 215         * Makefile.in: Regenerate.
 216         * acinclude.m4: Add enable.m4 and cet.m4.
 217         * config/x86/sjlj.S: Include cet.h.
 218         (_ITM_beginTransaction): Add _CET_ENDBR.
 219         Save Shadow Stack pointer.
 220         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 221         * config/x86/target.h (struct gtm_jmpbuf):
 222         Add new field for Shadow Stack pointer.
 223         * configure: Regenerate.
 224         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 225         * configure.ac: Update libtool_VERSION for x86.
 226         * testsuite/Makefile.in: Regenerate.
 227
 228 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 229
 230         * libitm/config/x86/target.h: Add new field (ssp).
 231         * libitm/config/x86/sjlj.S: Change offsets.
 232
 233 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 234
 235         * testsuite/lib/libitm.exp: Load scanlang.exp.
 236
 237 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 238
 239         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 240
 241 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 242
 243         PR other/79046
 244         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 245         of cat to get version from BASE-VER file.
 246         * testsuite/Makefile.in: Regenerated.
 247
 248 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 249
 250         * config/x86/target.h (htm_available): Determine vendor from
 251         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 252
 253 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 254
 255         * config/x86/target.h (htm_available): Add check for some processors
 256         on which TSX is broken.
 257
 258 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR other/79046
 261         * configure.ac: Add GCC_BASE_VER.
 262         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 263         get version from BASE-VER file.
 264         * testsuite/Makefile.in: Regenerated.
 265         * configure: Regenerated.
 266         * Makefile.in: Regenerated.
 267
 268 2017-01-04  Alan Modra  <amodra@gmail.com>
 269
 270         * Makefile.in: Regenerate.
 271         * testsuite/Makefile.in: Regenerate.
 272
 273 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 274
 275         Update copyright years.
 276
 277         * libitm.texi: Bump @copying's copyright year.
 278
 279 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 280
 281         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 282         * aclocal.m4: Regenerate.
 283         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 284         LIBITM_CHECK_LINKER_HWCAP.
 285
 286 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 287
 288         * configure: Regenerate.
 289
 290 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 291
 292         PR libitm/70456
 293         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 294         on cache line if requested.
 295
 296 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 297
 298         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 299         function attribute to disable floating point in begin_transaction() on
 300         S/390.
 301         * beginend.cc (begin_transaction): Use
 302         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 303
 304 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 305
 306         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 307         boundary.
 308         (htm_fastpath): Remove.
 309         (gtm_thread::begin_transaction): Fix HTM fastpath.
 310         (_ITM_commitTransaction): Adapt.
 311         (_ITM_commitTransactionEH): Adapt.
 312         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 313         and accessors.
 314         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 315         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 316         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 317         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 318         * libitm/method-serial.cc (htm_mg): Adapt.
 319         (gtm_thread::serialirr_mode): Adapt.
 320         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 321
 322 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 323
 324         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 325         or AIX.
 326
 327 2016-01-19  Richard Henderson  <rth@redhat.com>
 328
 329         PR bootstrap/69343
 330         PR bootstrap/69339
 331         Revert:
 332         2016-01-13  Richard Henderson  <rth@redhat.com>
 333
 334         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 335         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 336         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 337         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 338         * configure.ac (ARCH_AARCH64): New conditional.
 339         (ARCH_PPC, ARCH_S390): Likewise.
 340         * Makefile.in, configure: Rebuild.
 341
 342         * libitm.h (_ITM_TYPE_M128): Always define.
 343         * vect64.cc: Split ...
 344         * vect128.cc: ... out of...
 345         * config/x86/x86_sse.cc: ... here.
 346         * config/arm/neon.cc: New file.
 347
 348 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 349
 350         * local_type_traits: Remove file.
 351         * libitm_i.h: Don't include it anymore.
 352         (sized_integral): Remove.
 353
 354 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 355
 356         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 357         safety.
 358         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 359         * libitm/testsuite/libitm.c/priv-1.c: New.
 360
 361 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 362
 363         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 364
 365 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 366
 367         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 368         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 369         (gtm_rwlock::write_unlock): Likewise.
 370
 371 2016-01-13  Richard Henderson  <rth@redhat.com>
 372
 373         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 374         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 375         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 376         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 377         * configure.ac (ARCH_AARCH64): New conditional.
 378         (ARCH_PPC, ARCH_S390): Likewise.
 379         * Makefile.in, configure: Rebuild.
 380
 381         * libitm.h (_ITM_TYPE_M128): Always define.
 382         * vect64.cc: Split ...
 383         * vect128.cc: ... out of...
 384         * config/x86/x86_sse.cc: ... here.
 385         * config/arm/neon.cc: New file.
 386
 387 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 388
 389         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 390         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 391         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 392         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 393         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 394         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 395         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 396         (serialirr_dispatch::snapshot_most_recent): New.
 397         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 398
 399 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 400
 401         * libitm_i.h (gtm_mask_stack): Remove.
 402         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 403         * stmlock.h: Remove file.
 404         * config/alpha/cacheline.h: Likewise.
 405         * config/generic/cacheline.h: Likewise.
 406         * config/powerpc/cacheline.h: Likewise.
 407         * config/sparc/cacheline.h: Likewise.
 408         * config/x86/cacheline.h: Likewise.
 409
 410 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 411
 412         Update copyright years.
 413
 414         * libitm.texi: Bump @copying's copyright year.
 415
 416 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 417
 418         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 419         (ml_wt_dispatch::pre_write): Adapt.
 420         (ml_wt_dispatch::pre_load): Likewise.
 421
 422 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 423
 424         * libitm_i.h (gtm_alloc_action): Remove union.
 425         * testsuite/libitm.c/alloc-1.c: New.
 426
 427 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 428
 429         * testsuite/libitm.c++/eh-5.C: New.
 430         * libitm.h (_ITM_cxa_free_exception): New.
 431         * libitm.map (_ITM_cxa_free_exception): Add it.
 432         * libitm.texi: Update ABI docs.
 433         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 434         (gtm_transaction_cp::cxa_uncaught_count): Add.
 435         (gtm_thread::cxa_unthrown): Remove.
 436         (gtm_thread::cxa_uncaught_count_ptr): Add.
 437         (gtm_thread::cxa_uncaught_count): Add.
 438         (gtm_thread::drop_references_allocations): Rename to...
 439         (gtm_thread::discard_allocation): ... this and adapt.
 440         (gtm_thread::init_cpp_exceptions): New.
 441         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 442         (gtm_thread::begin_transaction): Likewise.
 443         (gtm_transaction_cp::save): Likewise.
 444         (gtm_thread::trycommit): Likewise.
 445         * eh_cpp.cc: Add overview comments.
 446         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 447         (free_any_exception, _ITM_cxa_free_exception): New.
 448         (gtm_thread::init_cpp_exceptions): Define.
 449         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 450         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 451         (gtm_thread::revert_cpp_exceptions): Likewise.
 452
 453 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 454
 455         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 456         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 457         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 458         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 459         (gtm_thread::forget_allocations): New overload with size_t argument.
 460         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 461         adapt existing one.
 462         (gtm_thread::record_allocation): Adapt.
 463         (gtm_thread::commit_allocations_1): Adapt.
 464         (gtm_thread::commit_allocations_2): Adapt.
 465         * testsuite/libitm.c++/newdelete.C: New.
 466
 467 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 468             Joseph Myers  <joseph@codesourcery.com>
 469             Mark Shinwell  <shinwell@codesourcery.com>
 470             Andrew Stubbs  <ams@codesourcery.com>
 471             Rich Felker <dalias@libc.org>
 472
 473         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 474         GTM_begin_transaction for compatibility with FDPIC.
 475
 476 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 477
 478         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 479         using load_gcc_lib.
 480
 481 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 482
 483         PR libitm/61164
 484         * local_atomic (__always_inline): Rename to...
 485         (__libitm_always_inline): ... this.
 486
 487 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 488
 489         PR target/52482
 490         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 491
 492 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 493
 494         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 495         operands "op" and "val" to int.
 496
 497 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 498
 499         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 500         "op" and "val" to int.
 501
 502 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 503
 504         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 505         "op" and "val" to int.
 506
 507 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 508
 509         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 510         Declare as static int.
 511         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 512         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 513
 514 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 515
 516         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 517         sys_futex0 function.
 518
 519 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 520
 521         * Makefile.in: Regenerated with automake-1.11.6.
 522         * aclocal.m4: Likewise.
 523         * configure: Likewise.
 524         * testsuite/Makefile.in: Likewise.
 525
 526 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 527
 528         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 529         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 530
 531 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 532
 533         PR libitm/64360
 534         * libitm.c/stackundo.c (test2): Make it static.
 535         (test1): Likewise.
 536
 537 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 538
 539         Update copyright years.
 540
 541 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 542
 543         * libitm.texi: Bump @copying's copyright year.
 544
 545 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 546
 547         * testsuite/lib/libitm.exp: Load target-utils.exp.
 548         Move load of target-supports.exp earlier.
 549
 550 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 551
 552         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 553
 554 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 555
 556         PR bootstrap/63784
 557         * configure: Regenerated.
 558
 559 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 560
 561         PR target/63610
 562         * configure: Regenerate.
 563
 564 2014-10-06  Marek Polacek  <polacek@redhat.com>
 565
 566         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 567         * testsuite/libitm.c/memset-1.c: Likewise.
 568
 569 2014-07-24  Richard Henderson  <rth@redhat.com>
 570
 571         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 572         addressing mode in epilogue.
 573
 574 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 575
 576         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 577         -mclear-hwcap instead.
 578         * configure: Regenerate.
 579         * clearcap.map: Remove.
 580
 581 2014-05-21  John Marino  <gnugcc@marino.st>
 582
 583         * configure.tgt (*-*-dragonfly*): New target.
 584
 585 2014-05-19  Richard Henderson  <rth@redhat.com>
 586
 587         * config/aarch64/sjlj.S: New file.
 588         * config/aarch64/target.h: New file.
 589         * configure.tgt: Enable aarch64.
 590
 591 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 592
 593         * config/generic/asmcfi.h: Also check for
 594         __GCC_HAVE_DWARF2_CFI_ASM.
 595
 596 2013-04-02  Richard Henderson  <rth@redhat.com>
 597
 598         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 599         * config/arm/target.h, config/sh/target.h: Likewise.
 600         * config/sparc/target.h, config/x86/target.h: Likewise.
 601
 602 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 603
 604         * config/linux/futex_bits.h: Include errno.h.
 605         (sys_futex0): If syscall returns -1, return -errno rather than
 606         -1.
 607
 608 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 609
 610         * libitm.texi (Index): Rename to Library Index.
 611
 612 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 613
 614         PR libitm/53113
 615         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 616         (x86_avx.lo): Append -mavx to CXXFLAGS.
 617         * Makefile.in: Regenerate.
 618
 619 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 620
 621         Update copyright years
 622
 623 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 624
 625         * libitm.texi: Bump @copying's copyright year.
 626
 627 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 628
 629         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 630         (FUNC): Define ELFv2 variant.
 631         (END): Likewise.
 632         (HIDDEN): Likewise.
 633         (CALL): Likewise.
 634         (BASE): Likewise.
 635         (LR_SAVE): Likewise.
 636
 637 2013-09-20  Alan Modra  <amodra@gmail.com>
 638
 639         * configure: Regenerate.
 640
 641 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 642
 643         * config/posix/rwlock.cc: Fix initialization order.
 644
 645 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 646
 647         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 648         (htm_fastpath): Assign an asm name.
 649         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 650         HTM fast paths.
 651         (_ITM_actions): Likewise.
 652         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 653         x86_64.
 654         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 655         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 656         field to the start of the structure.
 657         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 658         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 659         handling for custom HTM fast paths.
 660
 661 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 662         Revert:
 663         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 664
 665         * configure.tgt: Add -msoft-float to XCFLAGS.
 666
 667 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 668
 669         * configure.tgt: Add -msoft-float to XCFLAGS.
 670
 671 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 672
 673         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 674         (htm_transaction_active): Enable zEC12 instructions in the
 675         assembler.
 676         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 677
 678 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 679
 680         * acinclude.m4: Add htm asm check for s390.
 681         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 682         * configure: Regenerate.
 683         * config/s390/target.h: Remove __HTM__ check.
 684         (htm_available): Call getauxval to get hwcaps and check whether
 685         HTM is available or not.
 686
 687 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 688
 689         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 690         * configure.ac: Use it.
 691         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 692         (AC_CHECK_FUNCS): Check for getauxval.
 693         * config.h.in, configure: Rebuild.
 694         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 695         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 696         (USE_HTM_FASTPATH): Define.
 697         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 698         _HTM_RETRIES) New macros.
 699         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 700         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 701
 702 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 703
 704         * config/s390/target.h: Include htmintrin.h.
 705         (_HTM_ITM_RETRIES): New macro definition.
 706         (htm_available, htm_init, htm_begin, htm_begin_success)
 707         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 708
 709 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 710             Cesar Philippidis  <cesar@codesourcery.com>
 711
 712         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 713         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 714         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 715         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 716
 717 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 718
 719         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 720         (_ITM_getTransactionId): Same.
 721         * config/x86/target.h (htm_transaction_active): New.
 722
 723 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 724
 725         PR libitm/57643
 726         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 727         the HTM fastpath.
 728
 729 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 730
 731         PR bootstrap/56714
 732         * local_atomic (__always_inline): Always define our version.
 733         (__calculate_memory_order): Mark inline.
 734         (atomic_thread_fence): Ditto.
 735         (atomic_signal_fence): Ditto.
 736         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 737         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 738         (atomic_bool::atomic_flag_test_and_set): Ditto.
 739         (atomic_bool::atomic_flag_clear): Ditto.
 740
 741 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 742
 743         * config/s390/sjlj.S: New file.
 744         * config/s390/target.h: New file.
 745         * configure.tgt: Set options for S/390.
 746
 747 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 748
 749         * local_atomic (__always_inline): Add.
 750         (__calculate_memory_order, atomic_thread_fence,
 751          atomic_signal_fence, test_and_set, clear, store, load,
 752          exchange, compare_exchange_weak, compare_exchange_strong,
 753          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 754         Add __always_inline to force inlining.
 755
 756 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 757             Jack Howarth  <howarth@bromo.med.uc.edu>
 758             Patrick Marlier  <patrick.marlier@gmail.com>
 759
 760         PR libitm/55693
 761         * alloc_cpp.cc: Enable function declarations on darwin.
 762         * eh_cpp.cc: Likewise.
 763
 764 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 765
 766         Update copyright years.
 767
 768 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 769
 770         * beginend.cc (htm_fastpath): New.
 771         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 772         _ITM_commitTransactionEH): Add HTM fastpath handling.
 773         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 774         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 775         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 776         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 777         * configure.tgt: Add -mrtm to XCFLAGS.
 778         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 779         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 780         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 781         * retry.cc (parse_default_method): Add HTM method parsing.
 782         (gtm_thread::number_of_threads_changed): Use HTM by default if
 783         available.
 784
 785 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 786
 787         * configure: Regenerate.
 788
 789 2012-10-31  Richard Henderson  <rth@redhat.com>
 790
 791         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 792         * configure.ac: Use it.
 793         * config.h.in, configure: Rebuild.
 794         * testsuite/Makefile.in: Rebuild.
 795
 796 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 797
 798         * libitm.texi: Clarify ABI requirements for data-logging functions.
 799
 800 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 801
 802         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 803         it requires serial mode instead of assuming that for certain
 804         dispatchs.
 805         * dispatch.h (abi_dispatch::requires_serial): New.
 806         (abi_dispatch::abi_dispatch): Adapt.
 807         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 808         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 809         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 810         serial_dispatch::serial_dispatch,
 811         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 812
 813 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 814
 815         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 816         and ia32 declarations some more.
 817         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 818
 819 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 820
 821         PR other/43620
 822         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 823         * configure: Regenerate.
 824         * Makefile.in: Regenerate.
 825
 826 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 827
 828         * configure: Regenerated.
 829
 830 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 831
 832         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 833
 834 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 835
 836         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 837
 838 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 839
 840         * configure: Regenerated.
 841
 842 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 843
 844         PR libitm/52854
 845         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 846         for x86-64.
 847
 848 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 849
 850         * configure: Regenerate.
 851
 852 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 853
 854         PR bootstrap/52812
 855         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 856
 857 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 858
 859         * testsuite/lib/libitm.exp: load fortran-modules.exp
 860
 861 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 862
 863         * configure.tgt (*-*-irix6*): Remove.
 864
 865 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 866
 867         PR libitm/52526
 868         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 869         wake-up.
 870
 871 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 872
 873         * configure.tgt (*-*-osf*): Remove.
 874         * configure: Regenerate.
 875
 876 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 877
 878         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 879         memtransfer/memset if size isn't larger than zero.
 880
 881 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 882
 883         * libitm.texi: Link to specification and add a usage example.
 884
 885 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 886
 887         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 888         default dispatch for more than 1 thread to ml_wt.
 889
 890 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 891
 892         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 893
 894 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 895
 896         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 897
 898 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 899
 900         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 901         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 902         (gl_wt_dispatch.rollback): Same.
 903
 904 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 905
 906         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 907
 908 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 909
 910         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 911         for RfW src.  Optimize number of calls to gtm_thr.
 912
 913 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 914
 915         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 916         acquisition to ...
 917         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 918         (default_dispatch): Make atomic.
 919         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 920         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 921         use decide_begin_dispatch() if default_dispatch might have changed.
 922         (GTM::gtm_thread::number_of_threads_changed): Initialize
 923         default_dispatch here.
 924
 925 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 926             Patrick Marlier  <patrick.marlier@gmail.com>
 927
 928         PR libitm/52220
 929         * alloc_cpp.cc: No dummy definitions for darwin.
 930         * eh_cpp.cc: Likewise.
 931
 932 2012-02-14  Richard Henderson  <rth@redhat.com>
 933
 934         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 935
 936 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 937
 938         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 939
 940 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 941
 942         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 943         (GTM::gtm_thread): Add read and write logs.
 944         (GTM::dispatch_ml_wt): Declare.
 945         * retry.cc (parse_default_method): Support ml_wt.
 946         * method-ml.cc: New file.
 947         * Makefile.am: Add method-ml.cc.
 948         * Makefile.in: Regenerate.
 949
 950 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 951
 952         * dispatch.h (GTM::abi_dispatch::supports): New.
 953         (GTM::method_group::reinit): New.
 954         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 955         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 956         supports the current situation.
 957
 958 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 959
 960         * util.cc (GTM::xcalloc): New.
 961         * common.h (GTM::xcalloc): Declare.
 962
 963 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 964
 965         * config/sparc/target.h (cpu_relax): Read from CC register.
 966         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 967
 968 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 969
 970         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 971
 972 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 973
 974         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 975         * config/sparc/cacheline.h: New file.
 976         * config/sparc/target.h: Likewise.
 977         * config/sparc/sjlj.S: Likewise.
 978         * config/linux/sparc/futex_bits.h: Likewise.
 979
 980 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 981
 982         * configure.ac (link_itm): Fix comment.
 983         * configure: Regenerate.
 984         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 985
 986 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 987
 988         PR libitm/51822
 989         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 990         Correct libgomp references.
 991
 992 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 993
 994         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 995         wake-up.
 996
 997 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 998
 999         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1000         end of structure.
1001         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1002         offset values.  Do not copy return address.  Decrement stack
1003         by 56 bytes only.
1004         (GTM_longjump) [__x86_64__]: Update offset values.
1005
1006 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1007
1008         PR libitm/51830
1009         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1010         the first function argument to %eax.
1011
1012 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1013
1014         * libitm.h (_ITM_getThreadnum): Remove.
1015         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1016
1017 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1018
1019         * clearcap.map: New file.
1020         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1021         * configure.ac: Call it.
1022         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1023         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1024         * configure: Regenerate.
1025         * Makefile.in: Regenerate.
1026         * testsuite/Makefile.in: Regenerate.
1027
1028 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1029
1030         PR libitm/51173
1031         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1032         include, exclude options.
1033
1034 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1035
1036         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1037         rolling back.
1038         * containers.h (GTM::vector::set_size): New.
1039
1040 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1041
1042         PR libitm/51855
1043         * config/generic/tls.h (GTM::mask_stack_top): New.
1044         (GTM::mask_stack_bottom): Declare.
1045         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1046         * local.cc (gtm_undolog::rollback): Filter out any updates that
1047         overlap the libitm stack.  Add current transaction as parameter.
1048         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1049         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1050         * testsuite/libitm.c/stackundo.c: New test.
1051
1052 2012-01-10  Richard Henderson  <rth@redhat.com>
1053
1054         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1055         * eh_cpp.cc (_Unwind_DeleteException): Define for
1056         !HAVE_ELF_STYLE_WEAKREF.
1057
1058 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1059
1060         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1061         (GTM::gtm_thread::drop_references_undolog): Remove.
1062         (GTM::gtm_thread::commit_undolog,
1063         GTM::gtm_thread::rollback_undolog): Move to ...
1064         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1065         (GTM::gtm_undolog_entry): Remove.
1066         (GTM::gtm_thread): Adapt.
1067         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1068         (GTM::gtm_thread::trycommit): Adapt.
1069         * method-serial.cc (serial_dispatch::log): Adapt.
1070         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1071         (gl_wt_dispatch::store): Fix likely/unlikely.
1072         * containers.h (GTM::vector::resize): Add additional_capacity
1073         parameter and handle it.
1074         (GTM::vector::resize_noinline): New/adapt.
1075         (GTM::vector::push): New.
1076
1077 2012-01-06  Richard Henderson  <rth@redhat.com>
1078
1079         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1080         * config/linux/powerpc/futex_bits.h: New file.
1081         * config/powerpc/cacheline.h: New file.
1082         * config/powerpc/sjlj.S: New file.
1083         * config/powerpc/target.h: New file.
1084         * config/generic/asmcfi.h (cfi_offset): New.
1085         (cfi_restore, cfi_undefined): New.
1086
1087 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1088
1089         PR other/51171
1090         * testsuite/libitm.c/reentrant.c: Remove xfail.
1091         (thread): Pass x to pure().
1092         From Patrik Marlier <patrick.marlier@gmail.com>.
1093
1094 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1095
1096         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1097         privatization safety if already in serial mode.
1098
1099 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1100
1101         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1102         finish_serial_upgrade parameter.
1103         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1104         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1105         Don't unset reader flag.
1106         (GTM::gtm_rwlock::write_upgrade_finish): New.
1107         * config/posix/rwlock.cc: Same.
1108         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1109         Declare.
1110         * config/posix/rwlock.h: Same.
1111         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1112         flag after commit or after rollback when restarting.
1113
1114 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1115
1116         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1117         (GTM::gtm_thread::try_commit): Changed memory order.
1118         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1119         as parameter.
1120         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1121         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1122         * config/linux/futex_bits.h (sys_futex0): Same.
1123         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1124         * config/linux/futex.h (futex_wait, futex_wake): Same.
1125         * config/linux/rwlock.h (gtm_rwlock::writers,
1126         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1127         ints.
1128         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1129         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1130         gtm_rwlock::write_unlock): Fix memory orders and fences.
1131         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1132         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1133         gtm_rwlock::write_unlock): Same.
1134         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1135         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1136         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1137         Add comments.
1138         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1139         gl_wt_dispatch::load, gl_wt_dispatch::store,
1140         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1141         orders and fences.  Add comments.
1142
1143 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1144
1145         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1146         * Makefile.in: Regenerated.
1147
1148 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1149
1150         * configure.tgt: Add sh* case.
1151         * config/sh/target.h: New file.
1152         * config/sh/sjlj.S: New file.
1153         * config/linux/sh/futex_bits.h: New file.
1154
1155 2011-12-14  Richard Henderson  <rth@redhat.com>
1156
1157         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1158         * config/arm/sjlj.S, config/arm/target.h: New files.
1159         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1160         (cfi_rel_offset): New.
1161         * config/linux/futex_bits.h: New file.
1162         * config/linux/futex.cc: Include futex_bits.h here...
1163         * config/linux/futex.h: ... not here.
1164         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1165         * configure.ac (ARCH_AM): New conditional.
1166         * Makefile.in, configure: Rebuild.
1167         * configure.tgt: Handle ARM.
1168
1169 2011-12-13  Richard Henderson  <rth@redhat.com>
1170
1171         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1172         signed/unsigned comparison werror.
1173
1174         * local_atomic: New file.
1175         * libitm_i.h: Include it.
1176         (gtm_thread::shared_state): Use atomic template.
1177         * beginend.cc (GTM::gtm_clock): Use atomic template.
1178         (global_tid): Use atomic template if 64-bit atomics available.
1179         (gtm_thread::gtm_thread): Update shared_state access.
1180         (gtm_thread::trycommit): Likewise.
1181         (choose_code_path): Update global_tid access.
1182         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1183         * stmlock.h (GTM::gtm_clock): Use atomic template.
1184         (gtm_get_clock, gtm_inc_clock): Update accesses.
1185         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1186         redundant __sync_synchronize after atomic shared_state access.
1187         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1188         (gtm_rwlock::write_lock_generic): Likewise.
1189         (gtm_rwlock::read_unlock): Likewise.
1190         * config/alpha/target.h (atomic_read_barrier): Remove.
1191         (atomic_write_barrier): Remove.
1192         * config/x86/target.h (atomic_read_barrier): Remove.
1193         (atomic_write_barrier): Remove.
1194
1195 2011-11-30  Richard Henderson  <rth@redhat.com>
1196
1197         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1198         * beginend.c (_ITM_abortTransaction): Update to match.
1199         (GTM::gtm_thread::restart): Likewise.
1200         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1201         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1202
1203 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1204
1205         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1206         * Makefile.in: Regenerate.
1207
1208 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1209
1210         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1211         * alloc_cpp.cc: Generate dummy functions if we don't
1212         HAVE_ELF_STYLE_WEAKREF.
1213         * eh_cpp.cc: Likewise.
1214         * configure: Regenerate.
1215         * aclocal.m4:  Likewise.
1216         * config.h.in: Likewise.
1217         * Makefile.in: Likewise.
1218         * testsuite/Makefile.in: Likewise.
1219
1220 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1221
1222         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1223         __USER_LABEL_PREFIX__ for targets that use it.
1224         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1225         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1226         in portability to non-elf targets.
1227         (GTM_longjmp): Likewise.
1228         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1229         where required.
1230
1231 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1232
1233         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1234         * testsuite/libitm.c/memset-1.c: Likewise.
1235
1236 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1237
1238         * configure: Regenerate.
1239
1240 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1241
1242         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1243         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1244         * Makefile.am: Handle sun style versioning.
1245         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1246         * configure: Regenerate.
1247         * Makefile.in: Regenerate.
1248
1249 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1250
1251         * config/generic/asmcfi.h: Fix comment.
1252         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1253         sequence without .hidden support, error for non-ELF targets.
1254         (GTM_longjmp) [__ELF__]: Only use .hidden if
1255         HAVE_ATTRIBUTE_VISIBILITY.
1256
1257 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1258
1259         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1260         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1261         Dummy functions.
1262         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1263         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1264
1265 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         PR bootstrap/51098
1268         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1269         * configure: Regenerate.
1270
1271 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1272
1273         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1274
1275 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1276
1277         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1278         .hidden.
1279         (.note.GNU-stack): Only use if __linux__.
1280         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1281         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1282         * testsuite/libitm.c/reentrant.c: Likewise.
1283         * testsuite/libitm.c/simple-2.c: Likewise.
1284         * testsuite/libitm.c/txrelease.c: Likewise.
1285         * testsuite/libitm.c++/static_ctor.C: Likewise.
1286
1287 2011-11-10  Richard Henderson  <rth@redhat.com>
1288
1289         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1290         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1291         * configure.ac (ARCH_X86_AVX): New conditional.
1292         * Makefile.in, configure: Rebuild.
1293
1294 2011-11-09  Richard Henderson  <rth@redhat.com>
1295
1296         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1297         * configure.ac: Use it.
1298         * config.h.in, configure: Rebuild.
1299         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1300
1301 2011-11-09  Richard Henderson  <rth@redhat.com>
1302
1303         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1304         * config/alpha/unaligned.h: Remove file.
1305         * config/generic/unaligned.h: Remove file.
1306         * config/x86/unaligned.h: Remove file.
1307         * config/generic/cachepage.h: Remove file.
1308         * config/posix/cachepage.cc: Remove file.
1309         * config/generic/cacheline.cc: Remove file.
1310         * config/x86/cacheline.cc: Remove file.
1311         * config/generic/cacheline.h (gtm_cacheline): Remove the
1312         store_mask, copy_mask, copy_mask_wb methods.
1313         * config/x86/cacheline.h: Likewise.
1314         * config/alpha/cacheline.h: Fall back to generic after setting size.
1315         * config/generic/tls.cc (gtm_mask_stack): Remove.
1316         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1317         (GTM_vpalignr_table): Remove.
1318         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1319         (GTM_pshift_table): Remove.
1320         * config/libitm_i.h: Don't include cachepage.h.
1321         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1322         * Makefile.in, testsuite/Makefile.in: Rebuild.
1323
1324 2011-11-09  Richard Henderson  <rth@redhat.com>
1325
1326         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1327         to emit branch prediction hint.
1328
1329         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1330         Protect .note.GNU-stack with __linux__.
1331
1332         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1333         * configure, aclocal.m4, config.h.in: Rebuild.
1334         * config/generic/asmcfi.h: New file.
1335         * config/x86/sjlj.S: Use it.
1336
1337 2011-11-08  Richard Henderson  <rth@redhat.com>
1338
1339         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1340
1341 2011-11-08  Richard Henderson  <rth@redhat.com>
1342
1343         * configure.tgt: Test correct directory for supported cpus.
1344
1345         * configure.ac: Exit if unsupported.
1346         * configure: Rebuild.
1347         * configure.tgt: Delete boilerplate from libgomp for unsupported
1348         targets.  Set UNSUPPORTED for unsupported targets.
1349
1350 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1351
1352         * configure.tgt: Handle i386 like i[456]86.
1353         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1354         take address.
1355         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1356         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1357
1358 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1359
1360         * method-wbetl.cc: Update copyright notice.
1361         * aatree.cc: Same.
1362         * util.cc: Same.
1363         * libitm.h: Same.
1364         * memset.cc: Same.
1365         * eh_cpp.cc: Same.
1366         * barrier.tpl: Same.
1367         * useraction.cc: Same.
1368         * stmlock.h: Same.
1369         * memcpy.cc: Same.
1370         * common.h: Same.
1371         * config/generic/tls.cc: Same.
1372         * config/generic/cacheline.h: Same.
1373         * config/generic/cachepage.h: Same.
1374         * config/generic/cacheline.cc: Same.
1375         * config/generic/unaligned.h: Same.
1376         * config/x86/cacheline.h: Same.
1377         * config/x86/cacheline.cc: Same.
1378         * config/x86/unaligned.h: Same.
1379         * config/alpha/cacheline.h: Same.
1380         * config/alpha/unaligned.h: Same.
1381         * config/alpha/sjlj.S: Same.
1382         * config/posix/cachepage.cc: Same.
1383         * config/linux/futex.h: Same.
1384         * config/linux/alpha/futex_bits.h: Same.
1385
1386 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1387
1388         * libitm.texi: No cover text and invariant sections.
1389
1390 2011-11-03  Richard Henderson  <rth@redhat.com>
1391
1392         * local_type_traits: New file.
1393         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1394
1395 2011-11-03  Richard Henderson  <rth@redhat.com>
1396
1397         * configure.ac: Don't test for gfortran.
1398         * configure: Rebuild.
1399
1400         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1401         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1402
1403 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1404
1405         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1406         * testsuite/libitm.c/memset-1.c: Same.
1407         * testsuite/libitm.c/c.exp: Same.
1408         * testsuite/lib/libitm-dg.exp: Same.
1409         * testsuite/lib/libitm.exp: Same.
1410         * testsuite/libitm.c++/c++.exp: Same.
1411
1412 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1413
1414         * testsuite/config/default.exp: Update copyright date.
1415         * configure.ac: Add copyright info.
1416         * configure.tgt: Same.
1417
1418 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1419
1420         * testsuite/libitm.c/reentrant.c: XFAIL.
1421         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1422
1423 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1424
1425         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1426         handle aborts.
1427         (_ITM_abortTransaction): Handle aborts of outer transactions.
1428         * libitm_i.h: Same.
1429         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1430         * libitm.texi: Document aborts of outer transactions.
1431         * testsuite/libitm.c/cancel.c: New file.
1432
1433 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1434
1435         * testsuite/*: Change __transaction to __transaction_atomic or
1436         __transaction_relaxed.
1437
1438 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1439
1440         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1441         (gtm_thr): Same.
1442
1443 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1444
1445         * libitm_i.h: Add gl_wt dispatch.
1446         * retry.cc (parse_default_method): Same.
1447         * method-gl.cc: New file.
1448         * Makefile.am: Use method-gl.cc.
1449         * Makefile.in: Rebuild.
1450
1451 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1452
1453         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1454         safety if requested by a TM method.
1455         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1456         privatization safety.
1457         * method-serial.cc: Same.
1458
1459 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1460
1461         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1462         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1463         undolog-related member functions from *_local to *_undolog.
1464         * local.cc (gtm_thread::commit_undolog): Same.
1465         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1466         (GTM::gtm_thread::rollback): Roll back undolog before
1467         dispatch-specific rollback.
1468
1469 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1470
1471         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1472         re-initialization of the current method group.
1473         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1474
1475 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1476
1477         * alloc.cc (commit_allocations_2): Do not free transaction-local
1478         memory when committing a nested transaction.
1479
1480 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1481
1482         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1483         serial-irrevocable dispatch, not serial.
1484
1485 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1486
1487         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1488         declarations.
1489         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1490         * method-serial.cc: Implement begin_or_restart().
1491         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1492         dispatch-specific begin_or_restart().
1493         (GTM::gtm_thread::restart): Same.
1494
1495 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1496
1497         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1498         restarting without switching to serial mode.
1499         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1500         transaction state. Choose closed-nesting alternative if available.
1501         (GTM::gtm_thread::set_default_dispatch): New.
1502         (parse_default_method): New.
1503         (GTM::gtm_thread::number_of_threads_changed): New.
1504         * method-serial.cc (GTM::serial_mg): New method group class.
1505         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1506         fini.
1507         (GTM::serial_dispatch): Same.
1508         (GTM::serialirr_onwrite_dispatch): Same.
1509         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1510         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1511         registered threads.
1512         (GTM::gtm_thread::gtm_thread): Same.
1513         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1514         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1515         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1516         choose dispatch but set state according to dispatch here.
1517         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1518         (GTM::method_group): New class.
1519         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1520         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1521         * libitm.texi: Document TM methods, method groups, method life cycle.
1522         Rename method sets to method groups.
1523
1524 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1525
1526         * config/x86/tls.h: Moved to ...
1527         * config/linux/x86/tls.h: ... here.
1528
1529 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1530
1531         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1532         Add X32 support.
1533         * config/x86/sjlj.S: Same.
1534
1535 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1536
1537         * config/linux/rwlock.h: New file.
1538         * config/linux/rwlock.c: New file.
1539         * configure.ac: Reenable futex support (undo SVN rev 157758).
1540         * Makefile.am: Same.
1541         * configure.tgt: Same.
1542         * config/linux/alpha/futex_bits.h: Same.
1543         * config/linux/futex.h: Same. Return number of woken processes.
1544         * config/linux/futex.cc: Same.
1545         (futex_wait): Remove spinning.
1546         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1547         Use __x86_64__ instead of __LP64__.
1548         * aclocal.m4: Include generic futex checks.
1549         * configure: Rebuild.
1550         * Makefile.in: Rebuild.
1551         * testsuite/Makefile.in: Rebuild.
1552         * beginend.cc: Include pthread.h.
1553         * config/posix/cachepage.cc: Same.
1554
1555 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1556
1557         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1558         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1559         (set_gtm_thr): New.
1560         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1561         (set_gtm_thr): New.
1562         (GTM::gtm_thread::thread_num): Removed.
1563         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1564         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1565         tx-to-thread renaming.
1566         * beginend.cc: Adapted to tx-to-thread renaming.
1567         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1568         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1569         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1570         gtm_transaction to gtm_thread.
1571         (_ITM_getThreadnum): Removed. Not supported anymore.
1572         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1573         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1574         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1575         gtm_tx-to-gtm_thr renaming if necessary.
1576         * eh_cpp.cc: Same.
1577         * local.cc: Same.
1578         * retry.cc: Same.
1579         * clone.cc: Same.
1580         * alloc.cc: Same.
1581         * alloc_c.cc: Same.
1582         * alloc_cpp.cc: Same.
1583         * method-serial.cc: Same.
1584         * config/generic/tls.cc: Same.
1585         * config/posix/rwlock.h (gtm_rwlock): Same.
1586         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1587
1588 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1589
1590         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1591         implementation.
1592         (gtm_rwlock::read_unlock): Same.
1593         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1594         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1595         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1596         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1597         w_upgrade. Replaced by per-transaction flags (in shared_state).
1598         Added c_confirmed_writers.
1599         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1600         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1601         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1602         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1603         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1604         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1605         * libitm.texi: Document locking conventions and implementations in
1606         libitm.
1607
1608 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1609
1610         * libitm_i.h (next_tx): Add list of all threads' transaction.
1611         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1612         transaction with list of transactions and ...
1613         (thread_exit_handler): ... deregister here.
1614         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1615         * config/x86/target.h: Same.
1616
1617 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1618
1619         * testsuite/libitm.c++/static_ctor.C: New file.
1620
1621 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1622
1623         * testsuite/libitm.c/reentrant.c: New file.
1624
1625 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1626
1627         * config/generic/tls.h: Remove the free list for transactions and ...
1628         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1629         (GTM::gtm_transaction::operator delete): ... and release here.
1630         (thread_exit_handler): New. Delete tx when thread terminates.
1631         (thread_exit_init): New.
1632         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1633         * testsuite/libitm.c/txrelease.c: New file.
1634
1635 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1636
1637         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1638         * testsuite/libitm.c/notx.c: New file.
1639
1640 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1641
1642         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1643         * libitm_i.h (local_tid): ... to here.
1644         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1645         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1646
1647 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1648
1649         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1650         serialirr_onwrite_dispatch as new default for now.
1651         * method-serial.cc (serialirr_onwrite_dispatch): New.
1652         (GTM::dispatch_serialirr_onwrite): New.
1653         * libitm_i.h: Same.
1654
1655 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1656
1657         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1658         * query.cc (_ITM_getTransactionId): There is no active transaction if
1659         the current nesting level is zero.
1660
1661 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1662
1663         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1664         rollback.
1665
1666 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1667
1668         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1669         transaction properties from the caller instead of from the
1670         transaction object.
1671         * libitm_i.h: Same.
1672         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1673
1674 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1675
1676         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1677         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1678         * dispatch.h: Same.
1679         * method-serial.cc: Same.
1680         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1681         flat nesting as default, and closed nesting on demand.
1682         (GTM::gtm_transaction::rollback): Same.
1683         (_ITM_abortTransaction): Same.
1684         (GTM::gtm_transaction::restart): Same.
1685         (GTM::gtm_transaction::trycommit): Same.
1686         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1687         (choose_code_path): New.
1688         (GTM::gtm_transaction_cp::save): New.
1689         (GTM::gtm_transaction_cp::commit): New.
1690         * query.cc (_ITM_inTransaction): Support flat nesting.
1691         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1692         (GTM::gtm_transaction): Support flat and closed nesting.
1693         * alloc.cc (commit_allocations_2): New.
1694         (commit_cb_data): New helper struct.
1695         (GTM::gtm_transaction::commit_allocations): Handle nested
1696         commits/rollbacks.
1697         * libitm.texi: Update user action section, add description of nesting.
1698
1699 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1700
1701         * libitm_i.h: Add closed nesting as restart reason.
1702         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1703
1704 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1705
1706         * useraction.cc: Use vector instead of list to store actions.
1707         Also support partial rollbacks for closed nesting.
1708         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1709         * beginend.cc: Same.
1710
1711 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1712
1713         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1714         closed_nesting flags, as well as a closed nesting alternative.
1715         * method-serial.cc: Same.
1716         (serial_dispatch): Renamed to serialirr_dispatch.
1717         (GTM::dispatch_serialirr): Same.
1718         (serial_dispatch_ul): Renamed to serial_dispatch.
1719         (GTM::dispatch_serial): Same.
1720
1721 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1722
1723         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1724
1725 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1726
1727         * aatree.h (aa_tree::remove): New.
1728         (aa_tree::operator new): Add placement new.
1729
1730 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1731
1732         * containers.h: New file.
1733         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1734         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1735         * common.h: ... to here.
1736         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1737         * local.cc: Same.
1738
1739 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1740
1741         * libitm_i.h (STATE_ABORTING): Remove.
1742         * beginend.cc (_ITM_abortTransaction): Same.
1743         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1744         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1745         (_ITM_rollbackTransaction): Remove.
1746         * beginend.cc: Same.
1747         * libitm.map: Same.
1748         * libitm.texi: Document these ABI changes.
1749
1750 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1751
1752         * libitm.texi: New file.
1753         * Makefile.am: Add libitm.texi.
1754         * Makefile.in: Rebuild.
1755
1756 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1757
1758         * libitm_i.h: Move parts to common.h and dispatch.h.
1759         * common.h: New file.
1760         * dispatch.h: New file, new dispatch class.
1761         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1762         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1763         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1764         decision to retry.cc.
1765         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1766         only.
1767         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1768         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1769         logging.
1770         * barrier.cc: Use new barriers definitions.
1771         (abi_dispatch::memmove_overlap_check): New.
1772         * config/x86/x86_sse.cc: Same.
1773         * config/x86/x86_avx.cc: Same.
1774         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1775         memcpy.cc.
1776         * Makefile.in: Rebuild.
1777         * method-readonly.cc: Remove.
1778         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1779         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1780
1781 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1782
1783         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1784         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1785         * testsuite/libitm.c/dropref-2.c: Same.
1786         * testsuite/libitm.c/dropref.c: Same.
1787
1788 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1789
1790         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1791         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1792         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1793         * alloc_c.cc: Same.
1794         * barrier.tpl: Same.
1795         * beginend.c: Same.
1796         * config/generic/tls.h: Same.
1797         * config/x86/tls.h: Same.
1798         * libitm_i.h: Same.
1799         * memcpy.cc: Same.
1800         * memset.cc: Same.
1801         * method-readonly.cc: Same.
1802         * method-serial.cc: Same.
1803         * method-wbetl.cc: Same.
1804         * retry.cc: Same.
1805
1806 2011-03-03  Richard Henderson  <rth@redhat.com>
1807
1808         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1809         From Patrik Marlier <patrick.marlier@unine.ch>.
1810
1811 2011-02-03  Richard Henderson  <rth@redhat.com>
1812
1813         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1814         * configure.ac: Use it.
1815         * configure, config.h.in: Rebuild.
1816         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1817         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1818         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1819         * libitm.map: Use wildcards to match size_t mangling.
1820
1821 2010-12-14  Richard Henderson  <rth@redhat.com>
1822
1823         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1824         blocks of TIDs per thread.
1825         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1826         (setup_gtm_thr): Return the thread structure.
1827         * config/x86/tls.h (setup_gtm_thr): Likewise.
1828
1829 2010-12-14  Richard Henderson  <rth@redhat.com>
1830
1831         * clone.cc (table_lock): Remove.
1832         (find_clone): Don't take it.
1833         (ExcludeTransaction): New helper class.
1834         (_ITM_registerTMCloneTable): Use it.
1835         (_ITM_deregisterTMCloneTable): Likewise.
1836
1837 2010-12-14  Richard Henderson  <rth@redhat.com>
1838
1839         * config/x86/tls.h: New file.
1840
1841 2010-07-15  Richard Henderson  <rth@redhat.com>
1842
1843         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1844         * Makefile.in: Rebuild.
1845
1846 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1847
1848         * method-wbetl.cc (trydropreference): Fix source line.
1849
1850 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1851
1852         * libitm.h: Add comment.
1853         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1854
1855 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1856
1857         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1858         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1859         available, use pthread mutexes.
1860         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1861         * config.h.in: Regenerate.
1862         * configure: Regenerate.
1863
1864 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1865
1866         * libitm.h (ITM_PURE): Define.
1867         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1868
1869 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1870
1871         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1872         (validate): Add comment.
1873         (trydropreference): New.
1874         * method-readonly.cc (class readonly_dispatch): Add
1875         trydropreference.
1876         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1877         Call trydropreference().
1878         * libitm.h (_ITM_dropReferences): Remove const attribute.
1879         * method-serial.cc (class serial_dispatch): Add trydropreference.
1880         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1881
1882 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1883
1884         * memcpy.cc (do_memcpy): Comment.
1885
1886 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1887
1888         * barrier.tpl: Add comments throughout.
1889
1890 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1891
1892         * method-wbetl.cc (struct w_entry): Add comments.
1893         (trycommit): Same.
1894         (rollback): Same.
1895
1896 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1897
1898         * alloc_c.cc (_ITM_dropReferences): New.
1899         * libitm.map (_ITM_dropReferences): Add.
1900         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1901         * libitm_i.h (struct gtm_transaction): Declare
1902         drop_references_allocations and drop_references_local.
1903         * local.cc (rollback_local): Ignore memory when applicable.
1904         (drop_references_local): New.
1905
1906 2010-06-23  Richard Henderson  <rth@redhat.com>
1907
1908         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1909         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1910         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1911         * config/alpha/target.h: Likewise.
1912         * config/generic/tls.cc (gtm_mask_stack): Use it.
1913
1914 2010-06-23  Richard Henderson  <rth@redhat.com>
1915
1916         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1917         a mutex instead of trying a lock-free compare-and-swap on the list.
1918         (gtm_cacheline_page::operator delete): Likewise.
1919
1920 2010-06-16  Richard Henderson  <rth@redhat.com>
1921
1922         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1923         that overlap the libitm stack.
1924         * barrier.tpl: Mark incoming stack.
1925         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1926         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1927         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1928         * memcpy.cc, memset.cc: Likewise.
1929         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1930         * config/generic/tls.h (gtm_thread): Add stack_top member.
1931         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1932         * libitm_i.h (gtm_mask_stack): Declare.
1933         * config/generic/tls.cc: New file.
1934         * Makefile.am (libitm_la_SOURCES): Add it.
1935         (AM_CXXFLAGS): Turn off exceptions.
1936         * Makefile.in: Rebuild.
1937
1938 2010-06-16  Richard Henderson  <rth@redhat.com>
1939
1940         * alloc.cc (struct gtm_alloc_action): Move definition ...
1941         * libitm_i.h: ... here.
1942         (class gtm_transaction): Declare new and delete.
1943         * beginend.cc (alloc_tx): Reformulate as operator new.
1944         (free_tx): Reformulate as operator delete.
1945         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1946
1947 2010-06-11  Richard Henderson  <rth@redhat.com>
1948
1949         * clone.cc (clone_entry_compare): Fix typo.
1950         From Patrik Marlier <patrick.marlier@unine.ch>.
1951
1952 2010-05-13  Richard Henderson  <rth@redhat.com>
1953
1954         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1955         in extern "C".
1956
1957 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1958
1959         * libitm_i.h (struct gtm_transaction): Remove
1960         get_allocation_size.
1961         (record_allocation): Remove size parameter.
1962         * libitm.map (_ITM_realloc): Remove.
1963         * alloc_c.cc (_ITM_realloc): Remove.
1964         (_ITM_malloc): Remove size argument to record_allocation.
1965         (_ITM_calloc): Same.
1966         * alloc_cpp.cc (_ZGTtnwm): Same.
1967         (_ZGTtnwmRKSt9nothrow_t): Same.
1968         (_ZGTtnam): Same.
1969         (_ZGTtnamRKSt9nothrow_t): Same.
1970         * alloc.cc (struct gtm_alloc_action): Remove size.
1971         (get_allocation_size): Remove.
1972         (commit_allocations): Add comment.
1973         (record_allocation): Remove size parameter.
1974         (forget_allocation): Remove set of size.
1975
1976 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1977
1978         * Makefile.am (abi_version): New.
1979         (AM_CXXFLAGS): Pass abi_version.
1980         * Makefile.in: Regenerate.
1981         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1982
1983 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1984
1985         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1986         _ITM_getTMCloneOrIrrevokable.
1987         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1988         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1989
1990 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1991
1992         * configure.ac: Remove Linux futex support.
1993         * configure.tgt (config_path): Same.
1994         * Makefile.am: Same.
1995         * config/linux: Remove entire directory.
1996         * configure: Rebuild.
1997         * Makefile.in: Rebuild.
1998         * testsuite/Makefile.in: Rebuild.
1999
2000 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2001
2002         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2003         switching to serial mode.
2004         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2005
2006 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2007
2008         * configure.tgt: Add emacs -*- tags.
2009         * barrier.tpl: Same.
2010
2011 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2012
2013         * Makefile.am: Rename serial.cc to method-serial.cc.
2014         * Makefile.in: Regenerate with automake 1.11.1.
2015         * testsuite/Makefile.in: Same.
2016         * aclocal.m4: Regenerate with aclocal 1.11.1.
2017         * method-serial.cc: Rename from serial.cc.
2018         * libitm_i.h (struct gtm_transaction): Update comment on
2019         serialirr_mode.
2020
2021 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2022
2023         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2024         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2025
2026 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2027
2028         * configure: Rebuild.
2029
2030 2009-11-12  Richard Henderson  <rth@redhat.com>
2031
2032         * Rewrite everything in C++.
2033
2034 2009-11-03  Richard Henderson  <rth@redhat.com>
2035
2036         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2037         * Makefile.am (libitm_la_SOURCES): Add them.
2038         * configure.ac (ARCH_X86): New conditional.
2039         * Makefile.in, configure: Rebuild.
2040         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2041         Move futex setup into "other system configury" case.
2042         * local.c (rollback_local): Merge into ...
2043         (GTM_rollback_local): ... here.
2044         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2045         (_ITM_LB): Define as an alias to GTM_LB.
2046
2047 2009-11-03  Richard Henderson  <rth@redhat.com>
2048
2049         * method-readonly.c: New file.
2050         * Makefile.am (libitm_la_SOURCES): Add it.
2051         * Makefile.in: Rebuild.
2052         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2053         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2054         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2055         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2056         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2057         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2058         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2059         gtm_get_clock, gtm_inc_clock): New.
2060         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2061         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2062         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2063         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2064         replace uses with new libitm_i.h symbols.
2065         (dispatch_wbetl): Rename from wbetl_dispatch.
2066         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2067         away from dispatch_readonly; abort if the beginTransaction call
2068         asserted that the transaction was readonly.
2069
2070 2009-11-03  Richard Henderson  <rth@redhat.com>
2071
2072         * memset.c: New file.
2073         * Makefile.am (libitm_la_SOURCES): Add it.
2074         * Makefile.in: Rebuild.
2075         * testsuite/libitm.c/memset-1.c: New.
2076
2077 2009-11-03  Richard Henderson  <rth@redhat.com>
2078
2079         * dispatch.c: Remove file.
2080         * useraction.c (struct gtm_user_action): Move from libitm.h.
2081         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2082         (serial_memset, serial_memmove, serial_memcpy): Remove.
2083         (serial_W*, serial_R*): Remove.
2084         (serial_dispatch): Update to match.
2085         * configure.ac: Move Werror down below configure checks.  Don't
2086         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2087         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2088         Use GCC_AC_FUNC_MMAP_BLACKLIST
2089         * libitm.h: Split out all internal items to...
2090         * libitm_i.h: ... here.  New file.
2091         * copymask.c: New file.
2092         * local.c (struct gtm_local_undo): Move from libitm.h.
2093         (GTM_alloc_local): Rename from alloc_local; export.
2094         * memcpy.c: New file.
2095         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2096         * config/posix/page.c: New file.
2097         * config/posix/target_tls.h: Remove file.
2098         * barrier.c: New file.
2099         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2100         copymask.c, page.c.
2101         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2102         * method-wbetl.c: Rewrite for new cacheline methods.
2103         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2104
2105         * config/alpha/sjlj.S: Fix typo.
2106         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2107         * config/alpha/copymask.c: New file.
2108         * config/alpha/target.h (CACHELINE_SIZE): New.
2109         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2110
2111         * config/x86/target_i.h: Copy functions from x86/target.h.
2112         * config/x86/copymask.c: New file.
2113         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2114         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2115         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2116         * config/x86/target_tls.h: Move contents to target_i.h.
2117
2118         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2119         * testsuite/libitm.c/memcpy-1.c: New.
2120
2121 2009-10-22  Richard Henderson  <rth@redhat.com>
2122
2123         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2124         (AM_CCASFLAGS): New.
2125         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2126         saving/restoring _AC_ARG_VAR_PRECIOUS.
2127         * Makefile.in, aclocal.m4, config.h.in, configure,
2128         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2129
2130 2009-10-22  Richard Henderson  <rth@redhat.com>
2131
2132         * testsuite/*: Update for new compiler syntax.
2133
2134 2009-10-21  Richard Henderson  <rth@redhat.com>
2135
2136         * libitm.h (_ITM_abortReason): Add outerAbort.
2137
2138 2009-08-03  Richard Henderson  <rth@redhat.com>
2139
2140         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2141         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2142         * method-wbetl.c (struct w_entry): Remove mask.
2143         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2144         adjust all callers.
2145
2146 2009-07-22  Richard Henderson  <rth@redhat.com>
2147
2148         * eh_cpp.c: New file.
2149         * Makefile.am (libitm_la_SOURCES): Add it.
2150         * Makefile.in: Rebuild.
2151         * beginend.c (GTM_rollback_transaction): Undo exception state.
2152         (GTM_trycommit_transaction): Mark inline.
2153         (GTM_trycommit_and_finalize_transaction): Split out from ...
2154         (_ITM_commitTransaction): ... here.
2155         (_ITM_commitTransactionEH): New function.
2156         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2157         cxa_unthrown, eh_in_flight; reorder.
2158
2159         * testsuite/libitm.c++/c++.exp: New.
2160         * testsuite/libitm.c++/eh-1.C: New.
2161
2162         * aatree.c (aa_free): Remove REGPARM.
2163         * aatree.h: Remove all REGPARM.
2164
2165 2009-07-18  Richard Henderson  <rth@redhat.com>
2166
2167         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2168         * Makefile.am (libitm_la_SOURCES): Add them.
2169         * Makefile.in: Rebuild.
2170         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2171         (GTM_trycommit_transaction): Likewise.
2172         * libitm.h: Include aatree.h
2173         (struct gtm_alloc_action): New.
2174         (struct gtm_transaction): Add alloc_actions.
2175         (GTM_record_allocation, GTM_forget_allocation): Declare.
2176         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2177         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2178         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2179         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2180         _ZGTtdaPvRKSt9nothrow_t): Export.
2181
2182 2009-07-18  Richard Henderson  <rth@redhat.com>
2183
2184         * target_tls.h: Move ...
2185         * config/posix/target_tls.h: ... here.
2186
2187 2009-07-07  Richard Henderson  <rth@redhat.com>
2188
2189         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2190
2191 2009-07-07  Richard Henderson  <rth@redhat.com>
2192
2193         * Update to GPL3.
2194
2195 2009-07-07  Richard Henderson  <rth@redhat.com>
2196
2197         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2198         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2199
2200         * configure.tgt: Don't use -ftls-model for x86 linux.
2201         * libitm.h: Include target.h after standard includes.
2202         (_gtm_thr): Rename from gtm_thr.
2203         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2204         (gtm_disp, set_gtm_disp): New.
2205         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2206         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2207         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2208
2209 2009-07-07  Richard Henderson  <rth@redhat.com>
2210
2211         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2212
2213 2009-07-06  Richard Henderson  <rth@redhat.com>
2214
2215         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2216         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2217         (_ITM_beginTransaction): Take variadic arguments.
2218         (_ITM_registerThrownObject): Declare.
2219         * beginend.c, serial.c: Update.
2220         * libitm.map: Add _ITM_registerThrownObject.
2221
2222 2009-01-28  Richard Henderson  <rth@redhat.com>
2223
2224         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2225         * Makefile.in: Rebuild.
2226         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2227         (GTM_restart_transaction): Fix uninstrumented code check.
2228         * retry.c (GTM_decide_retry_strategy): Add serial check.
2229         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2230         automatically go irrevokable when in serial mode.
2231         * clone.c: New file.
2232         * libitm.h, libitm.map: Update.
2233
2234 2009-01-27  Richard Henderson  <rth@redhat.com>
2235
2236         * Makefile.am (LTCCASCOMPILE): Define.
2237         (libitm_la_SOURCES): Add methid-wbetl.c.
2238         * testsuite/Makefile.am: New
2239         * configure.ac: Add testsuite/Makefile.
2240         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2241         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2242         (_ITM_abortTransaction): Finalize implementation method; pass
2243         transaction properties to longjmp.
2244         (GTM_restart_transaction): Split out from ...
2245         (_ITM_commitTransaction): ... here.
2246         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2247         Move to config/x86/target.h.
2248         * config/linux/alpha/futex_bits.h: New.
2249         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2250         * config/x86/target.h: Disable target types for 32-bit.
2251         * config/alpha/sjlj.S, config/alpha/target.h: New.
2252         * libitm.h (struct gtm_dispatch): Add init, fini.
2253         (enum restart_reason): New.
2254         (struct gtm_transaction): Add method and restarts.
2255         * retry.c (GTM_decide_retry_strategy): Implement.
2256         * serial.c (serial_init, serial_fini): New.
2257         (GTM_serialmode): Finialize outgoing method.
2258         * method-wbetl.c: New.
2259
2260 2008-12-09  Richard Henderson  <rth@redhat.com>
2261
2262         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2263         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2264         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2265         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2266         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2267         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2268         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2269         * serial.c (serial_R##T, serial_W##T): Likewise.
2270
2271 2008-11-21  Richard Henderson  <rth@redhat.com>
2272
2273         * Initial commit.
2274 \f
2275 Copyright (C) 2008-2020 Free Software Foundation, Inc.
2276
2277 Copying and distribution of this file, with or without modification,
2278 are permitted in any medium without royalty provided the copyright
2279 notice and this notice are preserved.