libitm/ChangeLog

   1 2021-11-26  Iain Sandoe  <iain@sandoe.co.uk>
   2
   3         * eh_cpp.cc (GTM::gtm_thread::init_cpp_exceptions): If the
   4         target does not support HAVE_ELF_STYLE_WEAKREF then do not
   5         try to test the __cxa_get_globals against NULL.
   6
   7 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
   8
   9         PR libstdc++/91488
  10         * testsuite/libitm.c++/libstdc++-pr91488.C: New test.
  11
  12 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
  13
  14         PR target/70454
  15         * configure.tgt: For i?86 and x86_64 determine if -march=i486 needs to
  16         be added through preprocessor check on
  17         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4.
  18
  19 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
  20
  21         * configure: Re-generate.
  22
  23 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
  24
  25         * libitm.texi: Bump @copying's copyright year.
  26
  27 2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>
  28
  29         PR target/97865
  30         * configure.tgt: Add dynamic_lookup to XLDFLAGS for Darwin.
  31         * configure: Regenerate.
  32
  33 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
  34
  35         * configure: Regenerate.
  36
  37 2020-10-01  Alan Modra  <amodra@gmail.com>
  38
  39         * config/powerpc/sjlj.S: Support __PCREL__ code.
  40
  41 2020-07-24  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  42
  43         * config/aarch64/sjlj.S: Add conditional pac-ret protection.
  44
  45 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  46
  47         * config/aarch64/sjlj.S: Add BTI marking and related definitions,
  48         and add BTI c to function entries.
  49
  50 2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>
  51
  52         * config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
  53
  54 2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
  55
  56         PR bootstrap/95413
  57         * configure: Regenerated.
  58
  59 2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
  60
  61         PR bootstrap/95147
  62         * configure: Regenerated.
  63
  64 2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
  65
  66         * configure: Regenerated.
  67
  68 2020-05-12  Nathan Sidwell  <nathan@acm.org>
  69
  70         Fix throw specifiers on interface.
  71         * libitm/libitm.h (_ITM_NOTHROW): Define.
  72         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  73         (_ITM_cxa_begin_catch): Use it.
  74         * eh_cpp.cc: Add throw() to __cxa_allocate_exception,
  75         __cxa_free_exception, __cxa_begin_catch, __cxa_tm_cleanup,
  76         __cxa_get_globals.
  77         (_ITM_cxa_allocate_exception, _ITM_cxa_free_exception)
  78         (_ITM_cxa_begin_catch): Likewise.
  79
  80 2020-05-05  Nathan Sidwell  <nathan@acm.org>
  81
  82         * testsuite/lib/libitm.exp (libitm_init): Add
  83         -fdiagnostics-color=never to options.
  84
  85 2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
  86
  87         PR libstdc++/79193
  88         PR libstdc++/88999
  89
  90         * configure: Regenerated.
  91
  92 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
  93
  94         * configure.ac: Handle `--with-toolexeclibdir='.
  95         * Makefile.in: Regenerate.
  96         * aclocal.m4: Regenerate.
  97         * configure: Regenerate.
  98         * testsuite/Makefile.in: Regenerate.
  99
 100 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 101
 102         Update copyright years.
 103
 104         * libitm.texi: Bump @copying's copyright year.
 105
 106 2019-12-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 107
 108         PR libgomp/91938
 109         * configure.tgt: Avoid IE tls on *-*-musl*.
 110
 111 2019-09-27  Maciej W. Rozycki  <macro@wdc.com>
 112
 113         * configure: Regenerate.
 114
 115 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 116
 117         * config/arm/sjlj.S (ldaddr): Add FDPIC support.
 118
 119 2019-09-10  Christophe Lyon  <christophe.lyon@st.com>
 120
 121         * configure.tgt: Handle *-*-uclinux*.
 122         * configure: Regenerate.
 123
 124 2019-09-06  Florian Weimer  <fweimer@redhat.com>
 125
 126         * configure: Regenerate.
 127
 128 2019-09-03  Chung-Lin Tang  <cltang@codesourcery.com>
 129
 130         PR other/79543
 131         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Fix GNU ld --version
 132         scanning to conform to the GNU Coding Standards.
 133         * configure: Regenerate.
 134
 135 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
 136
 137         * Makefile.am (finclude): Remove.
 138         * Makefile.in: Regenerated.
 139
 140 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 141
 142         Update copyright years.
 143
 144 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 145
 146         * libitm.texi: Bump @copying's copyright year.
 147
 148 2018-12-16  Jakub Jelinek  <jakub@redhat.com>
 149
 150         PR c++/88482
 151         * eh_cpp.cc (__cxa_throw): Change DEST argument type from
 152         void * to void (*) (void *).
 153         (_ITM_cxa_throw): Likewise.
 154         * libitm.h (_ITM_cxa_throw): Likewise.
 155         * libitm.texi (_ITM_cxa_throw): Likewise.
 156
 157 2018-12-13  Peter Bergner  <bergner@linux.ibm.com>
 158
 159         * config/powerpc/target.h (htm_available):  Add support for
 160         PPC_FEATURE2_HTM_NO_SUSPEND.  Use __builtin_cpu_supports if available.
 161
 162 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 163
 164         PR bootstrap/82856
 165         * Makefile.am: Include multilib.am.
 166         (AUTOMAKE_OPTIONS): Add info-in-builddir.
 167         (CLEANFILES): Remove libitm.info.
 168         * configure.ac: Remove AC_PREREQ.
 169         * testsuite/Makefile.am (RUNTEST): Remove quotes.
 170         * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in:
 171         Regenerate.
 172
 173 2018-10-30  Nicholas Krause <xerofoify@gmail.com>
 174
 175         PR libitm/86293
 176         * method-serial.cc: Mark varible as potentially unused
 177         to silence warning.
 178
 179 2018-08-03  Sergei Trofimovich  <slyfox@gentoo.org>
 180
 181         * config/sh/sjlj.S: Adjust to use PIC vs normal code to avoid
 182         absolute relocation in a shared library.
 183
 184 2018-06-12  H.J. Lu  <hongjiu.lu@intel.com>
 185
 186         PR libitm/85988
 187         * config/linux/x86/tls.h (SEG_READ): Use the offset of
 188         __private_tm as base.
 189         (SEG_WRITE): Likewise.
 190         (SEG_ENCODE_WRITE): Correct the offset of pointer_guard for x32.
 191         (gtm_thr): Replace SEG_READ(10) with SEG_READ(0).
 192         (set_gtm_thr): Replace SEG_WRITE(10) with SEG_WRITE(0).
 193         (abi_disp): Replace SEG_DECODE_READ(11) with SEG_DECODE_READ(1).
 194         (set_abi_disp): Replace SEG_ENCODE_WRITE(11) with
 195
 196 2018-05-17  Jason Merrill  <jason@redhat.com>
 197
 198         * beginend.cc (save): Disable -Werror=deprecated-copy.
 199
 200 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 201
 202         PR testsuite/85106
 203         * testsuite/lib/libitm.exp: Include scanltranstree.exp.
 204
 205 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 206
 207         PR testsuite/85106
 208         * testsuite/lib/libitm.exp: Include scanwpaipa.exp.
 209
 210 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 211
 212         * config/x86/sjlj.S (_ITM_beginTransaction): Add
 213         (__CET__ & 2) != 0 check for shadow stack.
 214         (GTM_longjmp): Likewise.
 215
 216 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 217
 218         * configure: Regenerated.
 219
 220 2018-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 221
 222         PR target/85489
 223         * config/x86/sjlj.S (GTM_longjmp): Replace jle/jg with jbe/ja.
 224
 225 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 226
 227         * configure: Regenerated.
 228
 229 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 230
 231         PR jit/85384
 232         * configure: Regenerate.
 233
 234 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 235
 236         PR target/84148
 237         * configure: Regenerate.
 238
 239 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 240
 241         Update copyright years.
 242
 243         * libitm.texi: Bump @copying's copyright year.
 244
 245 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 246
 247         * Makefile.in: Regenerate.
 248         * acinclude.m4: Add enable.m4 and cet.m4.
 249         * config/x86/sjlj.S: Include cet.h.
 250         (_ITM_beginTransaction): Add _CET_ENDBR.
 251         Save Shadow Stack pointer.
 252         (GTM_longjmp): Add _CET_ENDBR. Restore Shadow Stack pointer.
 253         * config/x86/target.h (struct gtm_jmpbuf):
 254         Add new field for Shadow Stack pointer.
 255         * configure: Regenerate.
 256         * configure.ac: Set CET_FLAGS. Update XCFLAGS.
 257         * configure.ac: Update libtool_VERSION for x86.
 258         * testsuite/Makefile.in: Regenerate.
 259
 260 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 261
 262         * libitm/config/x86/target.h: Add new field (ssp).
 263         * libitm/config/x86/sjlj.S: Change offsets.
 264
 265 2017-05-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 266
 267         * testsuite/lib/libitm.exp: Load scanlang.exp.
 268
 269 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
 270
 271         * libitm_i.h (sutrct gtm_thread): Fix typo in comment.
 272
 273 2017-01-21  Jakub Jelinek  <jakub@redhat.com>
 274
 275         PR other/79046
 276         * testsuite/Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead
 277         of cat to get version from BASE-VER file.
 278         * testsuite/Makefile.in: Regenerated.
 279
 280 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
 281
 282         * config/x86/target.h (htm_available): Determine vendor from
 283         __get_cpuid_max return.  Use signature_INTEL_ebx.  Cleanup.
 284
 285 2017-01-18  Torvald Riegel  <triegel@redhat.com>
 286
 287         * config/x86/target.h (htm_available): Add check for some processors
 288         on which TSX is broken.
 289
 290 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
 291
 292         PR other/79046
 293         * configure.ac: Add GCC_BASE_VER.
 294         * Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
 295         get version from BASE-VER file.
 296         * testsuite/Makefile.in: Regenerated.
 297         * configure: Regenerated.
 298         * Makefile.in: Regenerated.
 299
 300 2017-01-04  Alan Modra  <amodra@gmail.com>
 301
 302         * Makefile.in: Regenerate.
 303         * testsuite/Makefile.in: Regenerate.
 304
 305 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
 306
 307         Update copyright years.
 308
 309         * libitm.texi: Bump @copying's copyright year.
 310
 311 2016-12-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 312
 313         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Remove.
 314         * aclocal.m4: Regenerate.
 315         * configure.ac: Call GCC_CHECK_LINKER_HWCAP instead of
 316         LIBITM_CHECK_LINKER_HWCAP.
 317
 318 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 319
 320         * configure: Regenerate.
 321
 322 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
 323
 324         PR libitm/70456
 325         * util.cc (xmalloc): Use posix_memalign to allocate memory on
 326         on cache line if requested.
 327
 328 2016-03-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 329
 330         * config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
 331         function attribute to disable floating point in begin_transaction() on
 332         S/390.
 333         * beginend.cc (begin_transaction): Use
 334         TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
 335
 336 2016-01-22  Torvald Riegel  <triegel@redhat.com>
 337
 338         * beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
 339         boundary.
 340         (htm_fastpath): Remove.
 341         (gtm_thread::begin_transaction): Fix HTM fastpath.
 342         (_ITM_commitTransaction): Adapt.
 343         (_ITM_commitTransactionEH): Adapt.
 344         * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
 345         and accessors.
 346         * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
 347         * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
 348         * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
 349         * libitm/libitm_i.h (htm_fastpath): Remove declaration.
 350         * libitm/method-serial.cc (htm_mg): Adapt.
 351         (gtm_thread::serialirr_mode): Adapt.
 352         * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
 353
 354 2016-01-21  Torvald Riegel  <triegel@redhat.com>
 355
 356         * testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
 357         or AIX.
 358
 359 2016-01-19  Richard Henderson  <rth@redhat.com>
 360
 361         PR bootstrap/69343
 362         PR bootstrap/69339
 363         Revert:
 364         2016-01-13  Richard Henderson  <rth@redhat.com>
 365
 366         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 367         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 368         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 369         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 370         * configure.ac (ARCH_AARCH64): New conditional.
 371         (ARCH_PPC, ARCH_S390): Likewise.
 372         * Makefile.in, configure: Rebuild.
 373
 374         * libitm.h (_ITM_TYPE_M128): Always define.
 375         * vect64.cc: Split ...
 376         * vect128.cc: ... out of...
 377         * config/x86/x86_sse.cc: ... here.
 378         * config/arm/neon.cc: New file.
 379
 380 2016-01-19  Torvald Riegel  <triegel@redhat.com>
 381
 382         * local_type_traits: Remove file.
 383         * libitm_i.h: Don't include it anymore.
 384         (sized_integral): Remove.
 385
 386 2016-01-16  Torvald Riegel  <triegel@redhat.com>
 387
 388         * method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
 389         safety.
 390         * method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
 391         * libitm/testsuite/libitm.c/priv-1.c: New.
 392
 393 2015-01-15  Torvald Riegel  <triegel@redhat.com>
 394
 395         testsuite/libitm.c++/libstdc++-safeexc.C: New.
 396
 397 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 398
 399         * beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
 400         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 401         (gtm_rwlock::write_unlock): Likewise.
 402
 403 2016-01-13  Richard Henderson  <rth@redhat.com>
 404
 405         * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 406         (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 407         (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 408         (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 409         * configure.ac (ARCH_AARCH64): New conditional.
 410         (ARCH_PPC, ARCH_S390): Likewise.
 411         * Makefile.in, configure: Rebuild.
 412
 413         * libitm.h (_ITM_TYPE_M128): Always define.
 414         * vect64.cc: Split ...
 415         * vect128.cc: ... out of...
 416         * config/x86/x86_sse.cc: ... here.
 417         * config/arm/neon.cc: New file.
 418
 419 2016-01-13  Torvald Riegel  <triegel@redhat.com>
 420
 421         * beginend.cc (gtm_thread::trycommit): Fix privatization safety.
 422         * config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 423         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
 424         * dispatch.h (abi_dispatch::snapshot_most_recent): New.
 425         * method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
 426         * method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
 427         * method-serial.cc (serial_dispatch::snapshot_most_recent): New.
 428         (serialirr_dispatch::snapshot_most_recent): New.
 429         (serialirr_onwrite_dispatch::snapshot_most_recent): New.
 430
 431 2016-01-12  Torvald Riegel  <triegel@redhat.com>
 432
 433         * libitm_i.h (gtm_mask_stack): Remove.
 434         * beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
 435         * stmlock.h: Remove file.
 436         * config/alpha/cacheline.h: Likewise.
 437         * config/generic/cacheline.h: Likewise.
 438         * config/powerpc/cacheline.h: Likewise.
 439         * config/sparc/cacheline.h: Likewise.
 440         * config/x86/cacheline.h: Likewise.
 441
 442 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 443
 444         Update copyright years.
 445
 446         * libitm.texi: Bump @copying's copyright year.
 447
 448 2015-11-26  Torvald Riegel  <triegel@redhat.com>
 449
 450         * method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
 451         (ml_wt_dispatch::pre_write): Adapt.
 452         (ml_wt_dispatch::pre_load): Likewise.
 453
 454 2015-11-22  Torvald Riegel  <triegel@redhat.com>
 455
 456         * libitm_i.h (gtm_alloc_action): Remove union.
 457         * testsuite/libitm.c/alloc-1.c: New.
 458
 459 2015-11-19  Torvald Riegel  <triegel@redhat.com>
 460
 461         * testsuite/libitm.c++/eh-5.C: New.
 462         * libitm.h (_ITM_cxa_free_exception): New.
 463         * libitm.map (_ITM_cxa_free_exception): Add it.
 464         * libitm.texi: Update ABI docs.
 465         * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
 466         (gtm_transaction_cp::cxa_uncaught_count): Add.
 467         (gtm_thread::cxa_unthrown): Remove.
 468         (gtm_thread::cxa_uncaught_count_ptr): Add.
 469         (gtm_thread::cxa_uncaught_count): Add.
 470         (gtm_thread::drop_references_allocations): Rename to...
 471         (gtm_thread::discard_allocation): ... this and adapt.
 472         (gtm_thread::init_cpp_exceptions): New.
 473         * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
 474         (gtm_thread::begin_transaction): Likewise.
 475         (gtm_transaction_cp::save): Likewise.
 476         (gtm_thread::trycommit): Likewise.
 477         * eh_cpp.cc: Add overview comments.
 478         (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
 479         (free_any_exception, _ITM_cxa_free_exception): New.
 480         (gtm_thread::init_cpp_exceptions): Define.
 481         (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
 482         (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
 483         (gtm_thread::revert_cpp_exceptions): Likewise.
 484
 485 2015-11-09  Torvald Riegel  <triegel@redhat.com>
 486
 487         * alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
 488         _ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
 489         * libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
 490         * libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz.  Add comments.
 491         (gtm_thread::forget_allocations): New overload with size_t argument.
 492         * alloc.c (gtm_thread::forget_allocation): Define new overload and
 493         adapt existing one.
 494         (gtm_thread::record_allocation): Adapt.
 495         (gtm_thread::commit_allocations_1): Adapt.
 496         (gtm_thread::commit_allocations_2): Adapt.
 497         * testsuite/libitm.c++/newdelete.C: New.
 498
 499 2015-10-27  Daniel Jacobowitz  <dan@codesourcery.com>
 500             Joseph Myers  <joseph@codesourcery.com>
 501             Mark Shinwell  <shinwell@codesourcery.com>
 502             Andrew Stubbs  <ams@codesourcery.com>
 503             Rich Felker <dalias@libc.org>
 504
 505         * config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
 506         GTM_begin_transaction for compatibility with FDPIC.
 507
 508 2015-10-09  David Malcolm  <dmalcolm@redhat.com>
 509
 510         * testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
 511         using load_gcc_lib.
 512
 513 2015-08-20  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>  (tiny change)
 514
 515         PR libitm/61164
 516         * local_atomic (__always_inline): Rename to...
 517         (__libitm_always_inline): ... this.
 518
 519 2015-07-03  Carlos Sánchez de La Lama  <csanchezdll@gmail.com>
 520
 521         PR target/52482
 522         * config/powerpc/sjlj.S: Port to Xcode 2.5.
 523
 524 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 525
 526         * config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
 527         operands "op" and "val" to int.
 528
 529 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 530
 531         * config/linux/sh/futex_bits.h (sys_futex0) Change operands
 532         "op" and "val" to int.
 533
 534 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 535
 536         * config/linux/alpha/futex_bits.h (sys_futex0) Change operands
 537         "op" and "val" to int.
 538
 539 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 540
 541         * config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
 542         Declare as static int.
 543         (FUTEX_PRIVATE_FLAG): Remove L suffix.
 544         * config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
 545
 546 2015-05-27  Uros Bizjak  <ubizjak@gmail.com>
 547
 548         * config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
 549         sys_futex0 function.
 550
 551 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 552
 553         * Makefile.in: Regenerated with automake-1.11.6.
 554         * aclocal.m4: Likewise.
 555         * configure: Likewise.
 556         * testsuite/Makefile.in: Likewise.
 557
 558 2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>
 559
 560         * config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
 561         * config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
 562
 563 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
 564
 565         PR libitm/64360
 566         * libitm.c/stackundo.c (test2): Make it static.
 567         (test1): Likewise.
 568
 569 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 570
 571         Update copyright years.
 572
 573 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 574
 575         * libitm.texi: Bump @copying's copyright year.
 576
 577 2014-12-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 578
 579         * testsuite/lib/libitm.exp: Load target-utils.exp.
 580         Move load of target-supports.exp earlier.
 581
 582 2014-12-03  Uros Bizjak  <ubizjak@gmail.com>
 583
 584         * configure.tgt (x86_64): Tune -m32 multilib to generic.
 585
 586 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 587
 588         PR bootstrap/63784
 589         * configure: Regenerated.
 590
 591 2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 592
 593         PR target/63610
 594         * configure: Regenerate.
 595
 596 2014-10-06  Marek Polacek  <polacek@redhat.com>
 597
 598         * testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
 599         * testsuite/libitm.c/memset-1.c: Likewise.
 600
 601 2014-07-24  Richard Henderson  <rth@redhat.com>
 602
 603         * config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
 604         addressing mode in epilogue.
 605
 606 2014-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 607
 608         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
 609         -mclear-hwcap instead.
 610         * configure: Regenerate.
 611         * clearcap.map: Remove.
 612
 613 2014-05-21  John Marino  <gnugcc@marino.st>
 614
 615         * configure.tgt (*-*-dragonfly*): New target.
 616
 617 2014-05-19  Richard Henderson  <rth@redhat.com>
 618
 619         * config/aarch64/sjlj.S: New file.
 620         * config/aarch64/target.h: New file.
 621         * configure.tgt: Enable aarch64.
 622
 623 2014-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 624
 625         * config/generic/asmcfi.h: Also check for
 626         __GCC_HAVE_DWARF2_CFI_ASM.
 627
 628 2013-04-02  Richard Henderson  <rth@redhat.com>
 629
 630         * config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
 631         * config/arm/target.h, config/sh/target.h: Likewise.
 632         * config/sparc/target.h, config/x86/target.h: Likewise.
 633
 634 2014-03-26  Jakub Jelinek  <jakub@redhat.com>
 635
 636         * config/linux/futex_bits.h: Include errno.h.
 637         (sys_futex0): If syscall returns -1, return -errno rather than
 638         -1.
 639
 640 2014-03-26  Joseph Myers  <joseph@codesourcery.com>
 641
 642         * libitm.texi (Index): Rename to Library Index.
 643
 644 2014-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 645
 646         PR libitm/53113
 647         * Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
 648         (x86_avx.lo): Append -mavx to CXXFLAGS.
 649         * Makefile.in: Regenerate.
 650
 651 2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 652
 653         Update copyright years
 654
 655 2014-01-02  Tobias Burnus  <burnus@net-b.de>
 656
 657         * libitm.texi: Bump @copying's copyright year.
 658
 659 2013-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 660
 661         * config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
 662         (FUNC): Define ELFv2 variant.
 663         (END): Likewise.
 664         (HIDDEN): Likewise.
 665         (CALL): Likewise.
 666         (BASE): Likewise.
 667         (LR_SAVE): Likewise.
 668
 669 2013-09-20  Alan Modra  <amodra@gmail.com>
 670
 671         * configure: Regenerate.
 672
 673 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 674
 675         * config/posix/rwlock.cc: Fix initialization order.
 676
 677 2013-08-30  Torvald Riegel  <triegel@redhat.com>
 678
 679         * libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
 680         (htm_fastpath): Assign an asm name.
 681         * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
 682         HTM fast paths.
 683         (_ITM_actions): Likewise.
 684         * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
 685         x86_64.
 686         * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
 687         * config/posix/rwlock.h (gtm_rwlock): Update comments.  Move summary
 688         field to the start of the structure.
 689         * config/linux/rwlock.h (gtm_rwlock): Update comments.
 690         * beginend.cc (gtm_thread::begin_transaction): Add retry policy
 691         handling for custom HTM fast paths.
 692
 693 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 694         Revert:
 695         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 696
 697         * configure.tgt: Add -msoft-float to XCFLAGS.
 698
 699 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 700
 701         * configure.tgt: Add -msoft-float to XCFLAGS.
 702
 703 2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 704
 705         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
 706         (htm_transaction_active): Enable zEC12 instructions in the
 707         assembler.
 708         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
 709
 710 2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 711
 712         * acinclude.m4: Add htm asm check for s390.
 713         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
 714         * configure: Regenerate.
 715         * config/s390/target.h: Remove __HTM__ check.
 716         (htm_available): Call getauxval to get hwcaps and check whether
 717         HTM is available or not.
 718
 719 2013-07-15  Peter Bergner  <bergner@vnet.ibm.com>
 720
 721         * acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
 722         * configure.ac: Use it.
 723         (AC_CHECK_HEADERS): Check for sys/auxv.h.
 724         (AC_CHECK_FUNCS): Check for getauxval.
 725         * config.h.in, configure: Rebuild.
 726         * configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
 727         * config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
 728         (USE_HTM_FASTPATH): Define.
 729         (_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
 730         _HTM_RETRIES) New macros.
 731         (htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
 732         htm_begin_success, htm_commit, htm_transaction_active): New functions.
 733
 734 2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 735
 736         * config/s390/target.h: Include htmintrin.h.
 737         (_HTM_ITM_RETRIES): New macro definition.
 738         (htm_available, htm_init, htm_begin, htm_begin_success)
 739         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
 740
 741 2013-06-20  Iain Sandoe  <iain@codesourcery.com>
 742             Cesar Philippidis  <cesar@codesourcery.com>
 743
 744         * testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
 745         Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
 746         * testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
 747         * testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
 748
 749 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 750
 751         * query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
 752         (_ITM_getTransactionId): Same.
 753         * config/x86/target.h (htm_transaction_active): New.
 754
 755 2013-06-20  Torvald Riegel  <triegel@redhat.com>
 756
 757         PR libitm/57643
 758         * beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
 759         the HTM fastpath.
 760
 761 2013-03-31  Gerald Pfeifer  <gerald@pfeifer.com>
 762
 763         PR bootstrap/56714
 764         * local_atomic (__always_inline): Always define our version.
 765         (__calculate_memory_order): Mark inline.
 766         (atomic_thread_fence): Ditto.
 767         (atomic_signal_fence): Ditto.
 768         (atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
 769         (atomic_bool::atomic_flag_clear_explicit): Ditto.
 770         (atomic_bool::atomic_flag_test_and_set): Ditto.
 771         (atomic_bool::atomic_flag_clear): Ditto.
 772
 773 2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 774
 775         * config/s390/sjlj.S: New file.
 776         * config/s390/target.h: New file.
 777         * configure.tgt: Set options for S/390.
 778
 779 2013-03-23  Andi Kleen  <ak@linux.intel.com>
 780
 781         * local_atomic (__always_inline): Add.
 782         (__calculate_memory_order, atomic_thread_fence,
 783          atomic_signal_fence, test_and_set, clear, store, load,
 784          exchange, compare_exchange_weak, compare_exchange_strong,
 785          fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
 786         Add __always_inline to force inlining.
 787
 788 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
 789             Jack Howarth  <howarth@bromo.med.uc.edu>
 790             Patrick Marlier  <patrick.marlier@gmail.com>
 791
 792         PR libitm/55693
 793         * alloc_cpp.cc: Enable function declarations on darwin.
 794         * eh_cpp.cc: Likewise.
 795
 796 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
 797
 798         Update copyright years.
 799
 800 2012-11-09  Torvald Riegel  <triegel@redhat.com>
 801
 802         * beginend.cc (htm_fastpath): New.
 803         (gtm_thread::begin_transaction, _ITM_commitTransaction,
 804         _ITM_commitTransactionEH): Add HTM fastpath handling.
 805         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
 806         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
 807         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
 808         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
 809         * configure.tgt: Add -mrtm to XCFLAGS.
 810         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
 811         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
 812         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
 813         * retry.cc (parse_default_method): Add HTM method parsing.
 814         (gtm_thread::number_of_threads_changed): Use HTM by default if
 815         available.
 816
 817 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
 818
 819         * configure: Regenerate.
 820
 821 2012-10-31  Richard Henderson  <rth@redhat.com>
 822
 823         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
 824         * configure.ac: Use it.
 825         * config.h.in, configure: Rebuild.
 826         * testsuite/Makefile.in: Rebuild.
 827
 828 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 829
 830         * libitm.texi: Clarify ABI requirements for data-logging functions.
 831
 832 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 833
 834         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 835         it requires serial mode instead of assuming that for certain
 836         dispatchs.
 837         * dispatch.h (abi_dispatch::requires_serial): New.
 838         (abi_dispatch::abi_dispatch): Adapt.
 839         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 840         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 841         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 842         serial_dispatch::serial_dispatch,
 843         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 844
 845 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 846
 847         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 848         and ia32 declarations some more.
 849         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 850
 851 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 852
 853         PR other/43620
 854         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 855         * configure: Regenerate.
 856         * Makefile.in: Regenerate.
 857
 858 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 859
 860         * configure: Regenerated.
 861
 862 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 863
 864         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 865
 866 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 867
 868         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 869
 870 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 871
 872         * configure: Regenerated.
 873
 874 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         PR libitm/52854
 877         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 878         for x86-64.
 879
 880 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 881
 882         * configure: Regenerate.
 883
 884 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 885
 886         PR bootstrap/52812
 887         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 888
 889 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 890
 891         * testsuite/lib/libitm.exp: load fortran-modules.exp
 892
 893 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 894
 895         * configure.tgt (*-*-irix6*): Remove.
 896
 897 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 898
 899         PR libitm/52526
 900         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 901         wake-up.
 902
 903 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 904
 905         * configure.tgt (*-*-osf*): Remove.
 906         * configure: Regenerate.
 907
 908 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 909
 910         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 911         memtransfer/memset if size isn't larger than zero.
 912
 913 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 914
 915         * libitm.texi: Link to specification and add a usage example.
 916
 917 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 918
 919         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 920         default dispatch for more than 1 thread to ml_wt.
 921
 922 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 923
 924         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 925
 926 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 927
 928         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 929
 930 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 931
 932         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 933         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 934         (gl_wt_dispatch.rollback): Same.
 935
 936 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 937
 938         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 939
 940 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 941
 942         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 943         for RfW src.  Optimize number of calls to gtm_thr.
 944
 945 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 946
 947         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 948         acquisition to ...
 949         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 950         (default_dispatch): Make atomic.
 951         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 952         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 953         use decide_begin_dispatch() if default_dispatch might have changed.
 954         (GTM::gtm_thread::number_of_threads_changed): Initialize
 955         default_dispatch here.
 956
 957 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 958             Patrick Marlier  <patrick.marlier@gmail.com>
 959
 960         PR libitm/52220
 961         * alloc_cpp.cc: No dummy definitions for darwin.
 962         * eh_cpp.cc: Likewise.
 963
 964 2012-02-14  Richard Henderson  <rth@redhat.com>
 965
 966         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 967
 968 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 969
 970         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 971
 972 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 973
 974         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 975         (GTM::gtm_thread): Add read and write logs.
 976         (GTM::dispatch_ml_wt): Declare.
 977         * retry.cc (parse_default_method): Support ml_wt.
 978         * method-ml.cc: New file.
 979         * Makefile.am: Add method-ml.cc.
 980         * Makefile.in: Regenerate.
 981
 982 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 983
 984         * dispatch.h (GTM::abi_dispatch::supports): New.
 985         (GTM::method_group::reinit): New.
 986         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 987         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 988         supports the current situation.
 989
 990 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 991
 992         * util.cc (GTM::xcalloc): New.
 993         * common.h (GTM::xcalloc): Declare.
 994
 995 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 996
 997         * config/sparc/target.h (cpu_relax): Read from CC register.
 998         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 999
1000 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
1001
1002         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
1003
1004 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1005
1006         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
1007         * config/sparc/cacheline.h: New file.
1008         * config/sparc/target.h: Likewise.
1009         * config/sparc/sjlj.S: Likewise.
1010         * config/linux/sparc/futex_bits.h: Likewise.
1011
1012 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1013
1014         * configure.ac (link_itm): Fix comment.
1015         * configure: Regenerate.
1016         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
1017
1018 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1019
1020         PR libitm/51822
1021         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
1022         Correct libgomp references.
1023
1024 2012-01-24  Torvald Riegel  <triegel@redhat.com>
1025
1026         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
1027         wake-up.
1028
1029 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
1032         end of structure.
1033         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
1034         offset values.  Do not copy return address.  Decrement stack
1035         by 56 bytes only.
1036         (GTM_longjump) [__x86_64__]: Update offset values.
1037
1038 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1039
1040         PR libitm/51830
1041         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
1042         the first function argument to %eax.
1043
1044 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1045
1046         * libitm.h (_ITM_getThreadnum): Remove.
1047         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
1048
1049 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1050
1051         * clearcap.map: New file.
1052         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
1053         * configure.ac: Call it.
1054         Clear HWCAP_LDFLAGS if defaulting to -mavx.
1055         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
1056         * configure: Regenerate.
1057         * Makefile.in: Regenerate.
1058         * testsuite/Makefile.in: Regenerate.
1059
1060 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1061
1062         PR libitm/51173
1063         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
1064         include, exclude options.
1065
1066 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1067
1068         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
1069         rolling back.
1070         * containers.h (GTM::vector::set_size): New.
1071
1072 2012-01-14  Torvald Riegel  <triegel@redhat.com>
1073
1074         PR libitm/51855
1075         * config/generic/tls.h (GTM::mask_stack_top): New.
1076         (GTM::mask_stack_bottom): Declare.
1077         * config/generic/tls.c (GTM::mask_stack_bottom): New.
1078         * local.cc (gtm_undolog::rollback): Filter out any updates that
1079         overlap the libitm stack.  Add current transaction as parameter.
1080         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
1081         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1082         * testsuite/libitm.c/stackundo.c: New test.
1083
1084 2012-01-10  Richard Henderson  <rth@redhat.com>
1085
1086         * libitm_i.h (_Unwind_DeleteException): Declare weak.
1087         * eh_cpp.cc (_Unwind_DeleteException): Define for
1088         !HAVE_ELF_STYLE_WEAKREF.
1089
1090 2012-01-08  Torvald Riegel  <triegel@redhat.com>
1091
1092         * local.cc (GTM_LB): Use GTM::gtm_undolog.
1093         (GTM::gtm_thread::drop_references_undolog): Remove.
1094         (GTM::gtm_thread::commit_undolog,
1095         GTM::gtm_thread::rollback_undolog): Move to ...
1096         * libitm_i.h (GTM::gtm_undolog): ...here. New.
1097         (GTM::gtm_undolog_entry): Remove.
1098         (GTM::gtm_thread): Adapt.
1099         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
1100         (GTM::gtm_thread::trycommit): Adapt.
1101         * method-serial.cc (serial_dispatch::log): Adapt.
1102         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
1103         (gl_wt_dispatch::store): Fix likely/unlikely.
1104         * containers.h (GTM::vector::resize): Add additional_capacity
1105         parameter and handle it.
1106         (GTM::vector::resize_noinline): New/adapt.
1107         (GTM::vector::push): New.
1108
1109 2012-01-06  Richard Henderson  <rth@redhat.com>
1110
1111         * configure.tgt: Support powerpc-linux and powerpc-darwin.
1112         * config/linux/powerpc/futex_bits.h: New file.
1113         * config/powerpc/cacheline.h: New file.
1114         * config/powerpc/sjlj.S: New file.
1115         * config/powerpc/target.h: New file.
1116         * config/generic/asmcfi.h (cfi_offset): New.
1117         (cfi_restore, cfi_undefined): New.
1118
1119 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
1120
1121         PR other/51171
1122         * testsuite/libitm.c/reentrant.c: Remove xfail.
1123         (thread): Pass x to pure().
1124         From Patrik Marlier <patrick.marlier@gmail.com>.
1125
1126 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1127
1128         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
1129         privatization safety if already in serial mode.
1130
1131 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1132
1133         * beginend.cc (GTM::gtm_thread::restart): Add and handle
1134         finish_serial_upgrade parameter.
1135         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
1136         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
1137         Don't unset reader flag.
1138         (GTM::gtm_rwlock::write_upgrade_finish): New.
1139         * config/posix/rwlock.cc: Same.
1140         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
1141         Declare.
1142         * config/posix/rwlock.h: Same.
1143         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
1144         flag after commit or after rollback when restarting.
1145
1146 2011-12-24  Torvald Riegel  <triegel@redhat.com>
1147
1148         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
1149         (GTM::gtm_thread::try_commit): Changed memory order.
1150         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
1151         as parameter.
1152         * config/linux/x86/futex_bits.h (sys_futex0): Same.
1153         * config/linux/sh/futex_bits.h (sys_futex0): Same.
1154         * config/linux/futex_bits.h (sys_futex0): Same.
1155         * config/linux/futex.cc (futex_wait, futex_wake): Same.
1156         * config/linux/futex.h (futex_wait, futex_wake): Same.
1157         * config/linux/rwlock.h (gtm_rwlock::writers,
1158         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
1159         ints.
1160         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
1161         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1162         gtm_rwlock::write_unlock): Fix memory orders and fences.
1163         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
1164         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
1165         gtm_rwlock::write_unlock): Same.
1166         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
1167         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
1168         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
1169         Add comments.
1170         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
1171         gl_wt_dispatch::load, gl_wt_dispatch::store,
1172         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
1173         orders and fences.  Add comments.
1174
1175 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
1176
1177         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
1178         * Makefile.in: Regenerated.
1179
1180 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1181
1182         * configure.tgt: Add sh* case.
1183         * config/sh/target.h: New file.
1184         * config/sh/sjlj.S: New file.
1185         * config/linux/sh/futex_bits.h: New file.
1186
1187 2011-12-14  Richard Henderson  <rth@redhat.com>
1188
1189         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
1190         * config/arm/sjlj.S, config/arm/target.h: New files.
1191         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
1192         (cfi_rel_offset): New.
1193         * config/linux/futex_bits.h: New file.
1194         * config/linux/futex.cc: Include futex_bits.h here...
1195         * config/linux/futex.h: ... not here.
1196         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
1197         * configure.ac (ARCH_AM): New conditional.
1198         * Makefile.in, configure: Rebuild.
1199         * configure.tgt: Handle ARM.
1200
1201 2011-12-13  Richard Henderson  <rth@redhat.com>
1202
1203         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
1204         signed/unsigned comparison werror.
1205
1206         * local_atomic: New file.
1207         * libitm_i.h: Include it.
1208         (gtm_thread::shared_state): Use atomic template.
1209         * beginend.cc (GTM::gtm_clock): Use atomic template.
1210         (global_tid): Use atomic template if 64-bit atomics available.
1211         (gtm_thread::gtm_thread): Update shared_state access.
1212         (gtm_thread::trycommit): Likewise.
1213         (choose_code_path): Update global_tid access.
1214         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
1215         * stmlock.h (GTM::gtm_clock): Use atomic template.
1216         (gtm_get_clock, gtm_inc_clock): Update accesses.
1217         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
1218         redundant __sync_synchronize after atomic shared_state access.
1219         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
1220         (gtm_rwlock::write_lock_generic): Likewise.
1221         (gtm_rwlock::read_unlock): Likewise.
1222         * config/alpha/target.h (atomic_read_barrier): Remove.
1223         (atomic_write_barrier): Remove.
1224         * config/x86/target.h (atomic_read_barrier): Remove.
1225         (atomic_write_barrier): Remove.
1226
1227 2011-11-30  Richard Henderson  <rth@redhat.com>
1228
1229         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
1230         * beginend.c (_ITM_abortTransaction): Update to match.
1231         (GTM::gtm_thread::restart): Likewise.
1232         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
1233         * config/x86/sjlj.S (GTM_longjmp): Likewise.
1234
1235 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1236
1237         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
1238         * Makefile.in: Regenerate.
1239
1240 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1241
1242         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
1243         * alloc_cpp.cc: Generate dummy functions if we don't
1244         HAVE_ELF_STYLE_WEAKREF.
1245         * eh_cpp.cc: Likewise.
1246         * configure: Regenerate.
1247         * aclocal.m4:  Likewise.
1248         * config.h.in: Likewise.
1249         * Makefile.in: Likewise.
1250         * testsuite/Makefile.in: Likewise.
1251
1252 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1253
1254         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
1255         __USER_LABEL_PREFIX__ for targets that use it.
1256         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
1257         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
1258         in portability to non-elf targets.
1259         (GTM_longjmp): Likewise.
1260         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
1261         where required.
1262
1263 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1264
1265         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
1266         * testsuite/libitm.c/memset-1.c: Likewise.
1267
1268 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1269
1270         * configure: Regenerate.
1271
1272 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1273
1274         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
1275         (LIBITM_ENABLE_SYMVERS): Handle sun style.
1276         * Makefile.am: Handle sun style versioning.
1277         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
1278         * configure: Regenerate.
1279         * Makefile.in: Regenerate.
1280
1281 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1282
1283         * config/generic/asmcfi.h: Fix comment.
1284         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
1285         sequence without .hidden support, error for non-ELF targets.
1286         (GTM_longjmp) [__ELF__]: Only use .hidden if
1287         HAVE_ATTRIBUTE_VISIBILITY.
1288
1289 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1290
1291         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
1292         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
1293         Dummy functions.
1294         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
1295         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
1296
1297 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1298
1299         PR bootstrap/51098
1300         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
1301         * configure: Regenerate.
1302
1303 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
1304
1305         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
1306
1307 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1308
1309         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
1310         .hidden.
1311         (.note.GNU-stack): Only use if __linux__.
1312         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
1313         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
1314         * testsuite/libitm.c/reentrant.c: Likewise.
1315         * testsuite/libitm.c/simple-2.c: Likewise.
1316         * testsuite/libitm.c/txrelease.c: Likewise.
1317         * testsuite/libitm.c++/static_ctor.C: Likewise.
1318
1319 2011-11-10  Richard Henderson  <rth@redhat.com>
1320
1321         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
1322         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
1323         * configure.ac (ARCH_X86_AVX): New conditional.
1324         * Makefile.in, configure: Rebuild.
1325
1326 2011-11-09  Richard Henderson  <rth@redhat.com>
1327
1328         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
1329         * configure.ac: Use it.
1330         * config.h.in, configure: Rebuild.
1331         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
1332
1333 2011-11-09  Richard Henderson  <rth@redhat.com>
1334
1335         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
1336         * config/alpha/unaligned.h: Remove file.
1337         * config/generic/unaligned.h: Remove file.
1338         * config/x86/unaligned.h: Remove file.
1339         * config/generic/cachepage.h: Remove file.
1340         * config/posix/cachepage.cc: Remove file.
1341         * config/generic/cacheline.cc: Remove file.
1342         * config/x86/cacheline.cc: Remove file.
1343         * config/generic/cacheline.h (gtm_cacheline): Remove the
1344         store_mask, copy_mask, copy_mask_wb methods.
1345         * config/x86/cacheline.h: Likewise.
1346         * config/alpha/cacheline.h: Fall back to generic after setting size.
1347         * config/generic/tls.cc (gtm_mask_stack): Remove.
1348         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
1349         (GTM_vpalignr_table): Remove.
1350         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
1351         (GTM_pshift_table): Remove.
1352         * config/libitm_i.h: Don't include cachepage.h.
1353         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
1354         * Makefile.in, testsuite/Makefile.in: Rebuild.
1355
1356 2011-11-09  Richard Henderson  <rth@redhat.com>
1357
1358         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
1359         to emit branch prediction hint.
1360
1361         * config/x86/sjlj.S: Protect elf directives with __ELF__.
1362         Protect .note.GNU-stack with __linux__.
1363
1364         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
1365         * configure, aclocal.m4, config.h.in: Rebuild.
1366         * config/generic/asmcfi.h: New file.
1367         * config/x86/sjlj.S: Use it.
1368
1369 2011-11-08  Richard Henderson  <rth@redhat.com>
1370
1371         * local.cc (_ITM_LB): Use a normal call, not a function alias.
1372
1373 2011-11-08  Richard Henderson  <rth@redhat.com>
1374
1375         * configure.tgt: Test correct directory for supported cpus.
1376
1377         * configure.ac: Exit if unsupported.
1378         * configure: Rebuild.
1379         * configure.tgt: Delete boilerplate from libgomp for unsupported
1380         targets.  Set UNSUPPORTED for unsupported targets.
1381
1382 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1383
1384         * configure.tgt: Handle i386 like i[456]86.
1385         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
1386         take address.
1387         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
1388         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
1389
1390 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
1391
1392         * method-wbetl.cc: Update copyright notice.
1393         * aatree.cc: Same.
1394         * util.cc: Same.
1395         * libitm.h: Same.
1396         * memset.cc: Same.
1397         * eh_cpp.cc: Same.
1398         * barrier.tpl: Same.
1399         * useraction.cc: Same.
1400         * stmlock.h: Same.
1401         * memcpy.cc: Same.
1402         * common.h: Same.
1403         * config/generic/tls.cc: Same.
1404         * config/generic/cacheline.h: Same.
1405         * config/generic/cachepage.h: Same.
1406         * config/generic/cacheline.cc: Same.
1407         * config/generic/unaligned.h: Same.
1408         * config/x86/cacheline.h: Same.
1409         * config/x86/cacheline.cc: Same.
1410         * config/x86/unaligned.h: Same.
1411         * config/alpha/cacheline.h: Same.
1412         * config/alpha/unaligned.h: Same.
1413         * config/alpha/sjlj.S: Same.
1414         * config/posix/cachepage.cc: Same.
1415         * config/linux/futex.h: Same.
1416         * config/linux/alpha/futex_bits.h: Same.
1417
1418 2011-11-04  Torvald Riegel  <triegel@redhat.com>
1419
1420         * libitm.texi: No cover text and invariant sections.
1421
1422 2011-11-03  Richard Henderson  <rth@redhat.com>
1423
1424         * local_type_traits: New file.
1425         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
1426
1427 2011-11-03  Richard Henderson  <rth@redhat.com>
1428
1429         * configure.ac: Don't test for gfortran.
1430         * configure: Rebuild.
1431
1432         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
1433         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
1434
1435 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1436
1437         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
1438         * testsuite/libitm.c/memset-1.c: Same.
1439         * testsuite/libitm.c/c.exp: Same.
1440         * testsuite/lib/libitm-dg.exp: Same.
1441         * testsuite/lib/libitm.exp: Same.
1442         * testsuite/libitm.c++/c++.exp: Same.
1443
1444 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1445
1446         * testsuite/config/default.exp: Update copyright date.
1447         * configure.ac: Add copyright info.
1448         * configure.tgt: Same.
1449
1450 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
1451
1452         * testsuite/libitm.c/reentrant.c: XFAIL.
1453         * testsuite/libitm.c++/static_ctor.C: XFAIL.
1454
1455 2011-10-29  Torvald Riegel  <triegel@redhat.com>
1456
1457         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
1458         handle aborts.
1459         (_ITM_abortTransaction): Handle aborts of outer transactions.
1460         * libitm_i.h: Same.
1461         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
1462         * libitm.texi: Document aborts of outer transactions.
1463         * testsuite/libitm.c/cancel.c: New file.
1464
1465 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1466
1467         * testsuite/*: Change __transaction to __transaction_atomic or
1468         __transaction_relaxed.
1469
1470 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1471
1472         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
1473         (gtm_thr): Same.
1474
1475 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1476
1477         * libitm_i.h: Add gl_wt dispatch.
1478         * retry.cc (parse_default_method): Same.
1479         * method-gl.cc: New file.
1480         * Makefile.am: Use method-gl.cc.
1481         * Makefile.in: Rebuild.
1482
1483 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1484
1485         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
1486         safety if requested by a TM method.
1487         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
1488         privatization safety.
1489         * method-serial.cc: Same.
1490
1491 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1492
1493         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
1494         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
1495         undolog-related member functions from *_local to *_undolog.
1496         * local.cc (gtm_thread::commit_undolog): Same.
1497         * beginend.cc (GTM::gtm_thread::trycommit): Same.
1498         (GTM::gtm_thread::rollback): Roll back undolog before
1499         dispatch-specific rollback.
1500
1501 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1502
1503         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
1504         re-initialization of the current method group.
1505         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
1506
1507 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1508
1509         * alloc.cc (commit_allocations_2): Do not free transaction-local
1510         memory when committing a nested transaction.
1511
1512 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1513
1514         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
1515         serial-irrevocable dispatch, not serial.
1516
1517 2011-10-19  Torvald Riegel  <triegel@redhat.com>
1518
1519         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
1520         declarations.
1521         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
1522         * method-serial.cc: Implement begin_or_restart().
1523         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
1524         dispatch-specific begin_or_restart().
1525         (GTM::gtm_thread::restart): Same.
1526
1527 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1528
1529         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
1530         restarting without switching to serial mode.
1531         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
1532         transaction state. Choose closed-nesting alternative if available.
1533         (GTM::gtm_thread::set_default_dispatch): New.
1534         (parse_default_method): New.
1535         (GTM::gtm_thread::number_of_threads_changed): New.
1536         * method-serial.cc (GTM::serial_mg): New method group class.
1537         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
1538         fini.
1539         (GTM::serial_dispatch): Same.
1540         (GTM::serialirr_onwrite_dispatch): Same.
1541         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
1542         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
1543         registered threads.
1544         (GTM::gtm_thread::gtm_thread): Same.
1545         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
1546         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
1547         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
1548         choose dispatch but set state according to dispatch here.
1549         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
1550         (GTM::method_group): New class.
1551         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
1552         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
1553         * libitm.texi: Document TM methods, method groups, method life cycle.
1554         Rename method sets to method groups.
1555
1556 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1557
1558         * config/x86/tls.h: Moved to ...
1559         * config/linux/x86/tls.h: ... here.
1560
1561 2011-08-23  Torvald Riegel  <triegel@redhat.com>
1562
1563         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
1564         Add X32 support.
1565         * config/x86/sjlj.S: Same.
1566
1567 2011-08-19  Torvald Riegel  <triegel@redhat.com>
1568
1569         * config/linux/rwlock.h: New file.
1570         * config/linux/rwlock.c: New file.
1571         * configure.ac: Reenable futex support (undo SVN rev 157758).
1572         * Makefile.am: Same.
1573         * configure.tgt: Same.
1574         * config/linux/alpha/futex_bits.h: Same.
1575         * config/linux/futex.h: Same. Return number of woken processes.
1576         * config/linux/futex.cc: Same.
1577         (futex_wait): Remove spinning.
1578         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
1579         Use __x86_64__ instead of __LP64__.
1580         * aclocal.m4: Include generic futex checks.
1581         * configure: Rebuild.
1582         * Makefile.in: Rebuild.
1583         * testsuite/Makefile.in: Rebuild.
1584         * beginend.cc: Include pthread.h.
1585         * config/posix/cachepage.cc: Same.
1586
1587 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1588
1589         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1590         (abi_disp, set_abi_disp): Move to tx's TLS slot.
1591         (set_gtm_thr): New.
1592         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
1593         (set_gtm_thr): New.
1594         (GTM::gtm_thread::thread_num): Removed.
1595         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
1596         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
1597         tx-to-thread renaming.
1598         * beginend.cc: Adapted to tx-to-thread renaming.
1599         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
1600         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
1601         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
1602         gtm_transaction to gtm_thread.
1603         (_ITM_getThreadnum): Removed. Not supported anymore.
1604         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
1605         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
1606         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
1607         gtm_tx-to-gtm_thr renaming if necessary.
1608         * eh_cpp.cc: Same.
1609         * local.cc: Same.
1610         * retry.cc: Same.
1611         * clone.cc: Same.
1612         * alloc.cc: Same.
1613         * alloc_c.cc: Same.
1614         * alloc_cpp.cc: Same.
1615         * method-serial.cc: Same.
1616         * config/generic/tls.cc: Same.
1617         * config/posix/rwlock.h (gtm_rwlock): Same.
1618         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
1619
1620 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1621
1622         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
1623         implementation.
1624         (gtm_rwlock::read_unlock): Same.
1625         (gtm_rwlock::write_lock_generic): New. Generalized from ...
1626         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
1627         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
1628         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
1629         w_upgrade. Replaced by per-transaction flags (in shared_state).
1630         Added c_confirmed_writers.
1631         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
1632         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
1633         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1634         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
1635         * beginend.cc (GTM::gtm_transaction::begin_transaction,
1636         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
1637         * libitm.texi: Document locking conventions and implementations in
1638         libitm.
1639
1640 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1641
1642         * libitm_i.h (next_tx): Add list of all threads' transaction.
1643         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
1644         transaction with list of transactions and ...
1645         (thread_exit_handler): ... deregister here.
1646         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
1647         * config/x86/target.h: Same.
1648
1649 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1650
1651         * testsuite/libitm.c++/static_ctor.C: New file.
1652
1653 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1654
1655         * testsuite/libitm.c/reentrant.c: New file.
1656
1657 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1658
1659         * config/generic/tls.h: Remove the free list for transactions and ...
1660         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
1661         (GTM::gtm_transaction::operator delete): ... and release here.
1662         (thread_exit_handler): New. Delete tx when thread terminates.
1663         (thread_exit_init): New.
1664         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
1665         * testsuite/libitm.c/txrelease.c: New file.
1666
1667 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1668
1669         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
1670         * testsuite/libitm.c/notx.c: New file.
1671
1672 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1673
1674         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
1675         * libitm_i.h (local_tid): ... to here.
1676         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1677         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
1678
1679 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1680
1681         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
1682         serialirr_onwrite_dispatch as new default for now.
1683         * method-serial.cc (serialirr_onwrite_dispatch): New.
1684         (GTM::dispatch_serialirr_onwrite): New.
1685         * libitm_i.h: Same.
1686
1687 2011-08-12  Torvald Riegel  <triegel@redhat.com>
1688
1689         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
1690         * query.cc (_ITM_getTransactionId): There is no active transaction if
1691         the current nesting level is zero.
1692
1693 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1694
1695         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
1696         rollback.
1697
1698 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1699
1700         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
1701         transaction properties from the caller instead of from the
1702         transaction object.
1703         * libitm_i.h: Same.
1704         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
1705
1706 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1707
1708         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
1709         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
1710         * dispatch.h: Same.
1711         * method-serial.cc: Same.
1712         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
1713         flat nesting as default, and closed nesting on demand.
1714         (GTM::gtm_transaction::rollback): Same.
1715         (_ITM_abortTransaction): Same.
1716         (GTM::gtm_transaction::restart): Same.
1717         (GTM::gtm_transaction::trycommit): Same.
1718         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
1719         (choose_code_path): New.
1720         (GTM::gtm_transaction_cp::save): New.
1721         (GTM::gtm_transaction_cp::commit): New.
1722         * query.cc (_ITM_inTransaction): Support flat nesting.
1723         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
1724         (GTM::gtm_transaction): Support flat and closed nesting.
1725         * alloc.cc (commit_allocations_2): New.
1726         (commit_cb_data): New helper struct.
1727         (GTM::gtm_transaction::commit_allocations): Handle nested
1728         commits/rollbacks.
1729         * libitm.texi: Update user action section, add description of nesting.
1730
1731 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1732
1733         * libitm_i.h: Add closed nesting as restart reason.
1734         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1735
1736 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1737
1738         * useraction.cc: Use vector instead of list to store actions.
1739         Also support partial rollbacks for closed nesting.
1740         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1741         * beginend.cc: Same.
1742
1743 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1744
1745         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1746         closed_nesting flags, as well as a closed nesting alternative.
1747         * method-serial.cc: Same.
1748         (serial_dispatch): Renamed to serialirr_dispatch.
1749         (GTM::dispatch_serialirr): Same.
1750         (serial_dispatch_ul): Renamed to serial_dispatch.
1751         (GTM::dispatch_serial): Same.
1752
1753 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1754
1755         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1756
1757 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1758
1759         * aatree.h (aa_tree::remove): New.
1760         (aa_tree::operator new): Add placement new.
1761
1762 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1763
1764         * containers.h: New file.
1765         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1766         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1767         * common.h: ... to here.
1768         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1769         * local.cc: Same.
1770
1771 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1772
1773         * libitm_i.h (STATE_ABORTING): Remove.
1774         * beginend.cc (_ITM_abortTransaction): Same.
1775         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1776         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1777         (_ITM_rollbackTransaction): Remove.
1778         * beginend.cc: Same.
1779         * libitm.map: Same.
1780         * libitm.texi: Document these ABI changes.
1781
1782 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1783
1784         * libitm.texi: New file.
1785         * Makefile.am: Add libitm.texi.
1786         * Makefile.in: Rebuild.
1787
1788 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1789
1790         * libitm_i.h: Move parts to common.h and dispatch.h.
1791         * common.h: New file.
1792         * dispatch.h: New file, new dispatch class.
1793         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1794         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1795         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1796         decision to retry.cc.
1797         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1798         only.
1799         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1800         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1801         logging.
1802         * barrier.cc: Use new barriers definitions.
1803         (abi_dispatch::memmove_overlap_check): New.
1804         * config/x86/x86_sse.cc: Same.
1805         * config/x86/x86_avx.cc: Same.
1806         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1807         memcpy.cc.
1808         * Makefile.in: Rebuild.
1809         * method-readonly.cc: Remove.
1810         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1811         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1812
1813 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1814
1815         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1816         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1817         * testsuite/libitm.c/dropref-2.c: Same.
1818         * testsuite/libitm.c/dropref.c: Same.
1819
1820 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1821
1822         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1823         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1824         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1825         * alloc_c.cc: Same.
1826         * barrier.tpl: Same.
1827         * beginend.c: Same.
1828         * config/generic/tls.h: Same.
1829         * config/x86/tls.h: Same.
1830         * libitm_i.h: Same.
1831         * memcpy.cc: Same.
1832         * memset.cc: Same.
1833         * method-readonly.cc: Same.
1834         * method-serial.cc: Same.
1835         * method-wbetl.cc: Same.
1836         * retry.cc: Same.
1837
1838 2011-03-03  Richard Henderson  <rth@redhat.com>
1839
1840         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1841         From Patrik Marlier <patrick.marlier@unine.ch>.
1842
1843 2011-02-03  Richard Henderson  <rth@redhat.com>
1844
1845         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1846         * configure.ac: Use it.
1847         * configure, config.h.in: Rebuild.
1848         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1849         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1850         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1851         * libitm.map: Use wildcards to match size_t mangling.
1852
1853 2010-12-14  Richard Henderson  <rth@redhat.com>
1854
1855         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1856         blocks of TIDs per thread.
1857         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1858         (setup_gtm_thr): Return the thread structure.
1859         * config/x86/tls.h (setup_gtm_thr): Likewise.
1860
1861 2010-12-14  Richard Henderson  <rth@redhat.com>
1862
1863         * clone.cc (table_lock): Remove.
1864         (find_clone): Don't take it.
1865         (ExcludeTransaction): New helper class.
1866         (_ITM_registerTMCloneTable): Use it.
1867         (_ITM_deregisterTMCloneTable): Likewise.
1868
1869 2010-12-14  Richard Henderson  <rth@redhat.com>
1870
1871         * config/x86/tls.h: New file.
1872
1873 2010-07-15  Richard Henderson  <rth@redhat.com>
1874
1875         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1876         * Makefile.in: Rebuild.
1877
1878 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1879
1880         * method-wbetl.cc (trydropreference): Fix source line.
1881
1882 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1883
1884         * libitm.h: Add comment.
1885         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1886
1887 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1888
1889         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1890         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1891         available, use pthread mutexes.
1892         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1893         * config.h.in: Regenerate.
1894         * configure: Regenerate.
1895
1896 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1897
1898         * libitm.h (ITM_PURE): Define.
1899         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1900
1901 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1902
1903         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1904         (validate): Add comment.
1905         (trydropreference): New.
1906         * method-readonly.cc (class readonly_dispatch): Add
1907         trydropreference.
1908         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1909         Call trydropreference().
1910         * libitm.h (_ITM_dropReferences): Remove const attribute.
1911         * method-serial.cc (class serial_dispatch): Add trydropreference.
1912         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1913
1914 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1915
1916         * memcpy.cc (do_memcpy): Comment.
1917
1918 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1919
1920         * barrier.tpl: Add comments throughout.
1921
1922 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1923
1924         * method-wbetl.cc (struct w_entry): Add comments.
1925         (trycommit): Same.
1926         (rollback): Same.
1927
1928 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1929
1930         * alloc_c.cc (_ITM_dropReferences): New.
1931         * libitm.map (_ITM_dropReferences): Add.
1932         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1933         * libitm_i.h (struct gtm_transaction): Declare
1934         drop_references_allocations and drop_references_local.
1935         * local.cc (rollback_local): Ignore memory when applicable.
1936         (drop_references_local): New.
1937
1938 2010-06-23  Richard Henderson  <rth@redhat.com>
1939
1940         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1941         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1942         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1943         * config/alpha/target.h: Likewise.
1944         * config/generic/tls.cc (gtm_mask_stack): Use it.
1945
1946 2010-06-23  Richard Henderson  <rth@redhat.com>
1947
1948         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1949         a mutex instead of trying a lock-free compare-and-swap on the list.
1950         (gtm_cacheline_page::operator delete): Likewise.
1951
1952 2010-06-16  Richard Henderson  <rth@redhat.com>
1953
1954         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1955         that overlap the libitm stack.
1956         * barrier.tpl: Mark incoming stack.
1957         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1958         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1959         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1960         * memcpy.cc, memset.cc: Likewise.
1961         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1962         * config/generic/tls.h (gtm_thread): Add stack_top member.
1963         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1964         * libitm_i.h (gtm_mask_stack): Declare.
1965         * config/generic/tls.cc: New file.
1966         * Makefile.am (libitm_la_SOURCES): Add it.
1967         (AM_CXXFLAGS): Turn off exceptions.
1968         * Makefile.in: Rebuild.
1969
1970 2010-06-16  Richard Henderson  <rth@redhat.com>
1971
1972         * alloc.cc (struct gtm_alloc_action): Move definition ...
1973         * libitm_i.h: ... here.
1974         (class gtm_transaction): Declare new and delete.
1975         * beginend.cc (alloc_tx): Reformulate as operator new.
1976         (free_tx): Reformulate as operator delete.
1977         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1978
1979 2010-06-11  Richard Henderson  <rth@redhat.com>
1980
1981         * clone.cc (clone_entry_compare): Fix typo.
1982         From Patrik Marlier <patrick.marlier@unine.ch>.
1983
1984 2010-05-13  Richard Henderson  <rth@redhat.com>
1985
1986         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1987         in extern "C".
1988
1989 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1990
1991         * libitm_i.h (struct gtm_transaction): Remove
1992         get_allocation_size.
1993         (record_allocation): Remove size parameter.
1994         * libitm.map (_ITM_realloc): Remove.
1995         * alloc_c.cc (_ITM_realloc): Remove.
1996         (_ITM_malloc): Remove size argument to record_allocation.
1997         (_ITM_calloc): Same.
1998         * alloc_cpp.cc (_ZGTtnwm): Same.
1999         (_ZGTtnwmRKSt9nothrow_t): Same.
2000         (_ZGTtnam): Same.
2001         (_ZGTtnamRKSt9nothrow_t): Same.
2002         * alloc.cc (struct gtm_alloc_action): Remove size.
2003         (get_allocation_size): Remove.
2004         (commit_allocations): Add comment.
2005         (record_allocation): Remove size parameter.
2006         (forget_allocation): Remove set of size.
2007
2008 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
2009
2010         * Makefile.am (abi_version): New.
2011         (AM_CXXFLAGS): Pass abi_version.
2012         * Makefile.in: Regenerate.
2013         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
2014
2015 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
2016
2017         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
2018         _ITM_getTMCloneOrIrrevokable.
2019         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
2020         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
2021
2022 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
2023
2024         * configure.ac: Remove Linux futex support.
2025         * configure.tgt (config_path): Same.
2026         * Makefile.am: Same.
2027         * config/linux: Remove entire directory.
2028         * configure: Rebuild.
2029         * Makefile.in: Rebuild.
2030         * testsuite/Makefile.in: Rebuild.
2031
2032 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
2033
2034         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
2035         switching to serial mode.
2036         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
2037
2038 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
2039
2040         * configure.tgt: Add emacs -*- tags.
2041         * barrier.tpl: Same.
2042
2043 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
2044
2045         * Makefile.am: Rename serial.cc to method-serial.cc.
2046         * Makefile.in: Regenerate with automake 1.11.1.
2047         * testsuite/Makefile.in: Same.
2048         * aclocal.m4: Regenerate with aclocal 1.11.1.
2049         * method-serial.cc: Rename from serial.cc.
2050         * libitm_i.h (struct gtm_transaction): Update comment on
2051         serialirr_mode.
2052
2053 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
2054
2055         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
2056         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
2057
2058 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
2059
2060         * configure: Rebuild.
2061
2062 2009-11-12  Richard Henderson  <rth@redhat.com>
2063
2064         * Rewrite everything in C++.
2065
2066 2009-11-03  Richard Henderson  <rth@redhat.com>
2067
2068         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
2069         * Makefile.am (libitm_la_SOURCES): Add them.
2070         * configure.ac (ARCH_X86): New conditional.
2071         * Makefile.in, configure: Rebuild.
2072         * configure.tgt: Set up ARCH; do cflags setup at the same time.
2073         Move futex setup into "other system configury" case.
2074         * local.c (rollback_local): Merge into ...
2075         (GTM_rollback_local): ... here.
2076         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
2077         (_ITM_LB): Define as an alias to GTM_LB.
2078
2079 2009-11-03  Richard Henderson  <rth@redhat.com>
2080
2081         * method-readonly.c: New file.
2082         * Makefile.am (libitm_la_SOURCES): Add it.
2083         * Makefile.in: Rebuild.
2084         * beginend.c (gtm_stmlock_array, gtm_clock): New.
2085         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
2086         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
2087         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
2088         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
2089         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
2090         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
2091         gtm_get_clock, gtm_inc_clock): New.
2092         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
2093         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
2094         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
2095         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
2096         replace uses with new libitm_i.h symbols.
2097         (dispatch_wbetl): Rename from wbetl_dispatch.
2098         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
2099         away from dispatch_readonly; abort if the beginTransaction call
2100         asserted that the transaction was readonly.
2101
2102 2009-11-03  Richard Henderson  <rth@redhat.com>
2103
2104         * memset.c: New file.
2105         * Makefile.am (libitm_la_SOURCES): Add it.
2106         * Makefile.in: Rebuild.
2107         * testsuite/libitm.c/memset-1.c: New.
2108
2109 2009-11-03  Richard Henderson  <rth@redhat.com>
2110
2111         * dispatch.c: Remove file.
2112         * useraction.c (struct gtm_user_action): Move from libitm.h.
2113         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
2114         (serial_memset, serial_memmove, serial_memcpy): Remove.
2115         (serial_W*, serial_R*): Remove.
2116         (serial_dispatch): Update to match.
2117         * configure.ac: Move Werror down below configure checks.  Don't
2118         check for sys/loadavg.h, do check for malloc.h.  Don't check for
2119         getloadavg and clock_gettime; do check for memalign, posix_memalign.
2120         Use GCC_AC_FUNC_MMAP_BLACKLIST
2121         * libitm.h: Split out all internal items to...
2122         * libitm_i.h: ... here.  New file.
2123         * copymask.c: New file.
2124         * local.c (struct gtm_local_undo): Move from libitm.h.
2125         (GTM_alloc_local): Rename from alloc_local; export.
2126         * memcpy.c: New file.
2127         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
2128         * config/posix/page.c: New file.
2129         * config/posix/target_tls.h: Remove file.
2130         * barrier.c: New file.
2131         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
2132         copymask.c, page.c.
2133         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
2134         * method-wbetl.c: Rewrite for new cacheline methods.
2135         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
2136
2137         * config/alpha/sjlj.S: Fix typo.
2138         * config/alpha/target_i.h: Copy functions from alpha/target.h.
2139         * config/alpha/copymask.c: New file.
2140         * config/alpha/target.h (CACHELINE_SIZE): New.
2141         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
2142
2143         * config/x86/target_i.h: Copy functions from x86/target.h.
2144         * config/x86/copymask.c: New file.
2145         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
2146         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
2147         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
2148         * config/x86/target_tls.h: Move contents to target_i.h.
2149
2150         * testsuite/libitm.c/clone-1.c: Include libitm.h.
2151         * testsuite/libitm.c/memcpy-1.c: New.
2152
2153 2009-10-22  Richard Henderson  <rth@redhat.com>
2154
2155         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
2156         (AM_CCASFLAGS): New.
2157         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
2158         saving/restoring _AC_ARG_VAR_PRECIOUS.
2159         * Makefile.in, aclocal.m4, config.h.in, configure,
2160         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
2161
2162 2009-10-22  Richard Henderson  <rth@redhat.com>
2163
2164         * testsuite/*: Update for new compiler syntax.
2165
2166 2009-10-21  Richard Henderson  <rth@redhat.com>
2167
2168         * libitm.h (_ITM_abortReason): Add outerAbort.
2169
2170 2009-08-03  Richard Henderson  <rth@redhat.com>
2171
2172         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
2173         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
2174         * method-wbetl.c (struct w_entry): Remove mask.
2175         (wbetl_write, wbetl_load): Return pointer to word containing the data;
2176         adjust all callers.
2177
2178 2009-07-22  Richard Henderson  <rth@redhat.com>
2179
2180         * eh_cpp.c: New file.
2181         * Makefile.am (libitm_la_SOURCES): Add it.
2182         * Makefile.in: Rebuild.
2183         * beginend.c (GTM_rollback_transaction): Undo exception state.
2184         (GTM_trycommit_transaction): Mark inline.
2185         (GTM_trycommit_and_finalize_transaction): Split out from ...
2186         (_ITM_commitTransaction): ... here.
2187         (_ITM_commitTransactionEH): New function.
2188         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
2189         cxa_unthrown, eh_in_flight; reorder.
2190
2191         * testsuite/libitm.c++/c++.exp: New.
2192         * testsuite/libitm.c++/eh-1.C: New.
2193
2194         * aatree.c (aa_free): Remove REGPARM.
2195         * aatree.h: Remove all REGPARM.
2196
2197 2009-07-18  Richard Henderson  <rth@redhat.com>
2198
2199         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
2200         * Makefile.am (libitm_la_SOURCES): Add them.
2201         * Makefile.in: Rebuild.
2202         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
2203         (GTM_trycommit_transaction): Likewise.
2204         * libitm.h: Include aatree.h
2205         (struct gtm_alloc_action): New.
2206         (struct gtm_transaction): Add alloc_actions.
2207         (GTM_record_allocation, GTM_forget_allocation): Declare.
2208         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
2209         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
2210         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
2211         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
2212         _ZGTtdaPvRKSt9nothrow_t): Export.
2213
2214 2009-07-18  Richard Henderson  <rth@redhat.com>
2215
2216         * target_tls.h: Move ...
2217         * config/posix/target_tls.h: ... here.
2218
2219 2009-07-07  Richard Henderson  <rth@redhat.com>
2220
2221         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
2222
2223 2009-07-07  Richard Henderson  <rth@redhat.com>
2224
2225         * Update to GPL3.
2226
2227 2009-07-07  Richard Henderson  <rth@redhat.com>
2228
2229         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
2230         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
2231
2232         * configure.tgt: Don't use -ftls-model for x86 linux.
2233         * libitm.h: Include target.h after standard includes.
2234         (_gtm_thr): Rename from gtm_thr.
2235         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
2236         (gtm_disp, set_gtm_disp): New.
2237         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
2238         retry.c, serial.c, useraction.c: Use accessor functions throughout.
2239         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
2240
2241 2009-07-07  Richard Henderson  <rth@redhat.com>
2242
2243         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
2244
2245 2009-07-06  Richard Henderson  <rth@redhat.com>
2246
2247         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
2248         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
2249         (_ITM_beginTransaction): Take variadic arguments.
2250         (_ITM_registerThrownObject): Declare.
2251         * beginend.c, serial.c: Update.
2252         * libitm.map: Add _ITM_registerThrownObject.
2253
2254 2009-01-28  Richard Henderson  <rth@redhat.com>
2255
2256         * Makefile.am (libitm_la_SOURCES): Add clone.c.
2257         * Makefile.in: Rebuild.
2258         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
2259         (GTM_restart_transaction): Fix uninstrumented code check.
2260         * retry.c (GTM_decide_retry_strategy): Add serial check.
2261         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
2262         automatically go irrevokable when in serial mode.
2263         * clone.c: New file.
2264         * libitm.h, libitm.map: Update.
2265
2266 2009-01-27  Richard Henderson  <rth@redhat.com>
2267
2268         * Makefile.am (LTCCASCOMPILE): Define.
2269         (libitm_la_SOURCES): Add methid-wbetl.c.
2270         * testsuite/Makefile.am: New
2271         * configure.ac: Add testsuite/Makefile.
2272         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
2273         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
2274         (_ITM_abortTransaction): Finalize implementation method; pass
2275         transaction properties to longjmp.
2276         (GTM_restart_transaction): Split out from ...
2277         (_ITM_commitTransaction): ... here.
2278         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
2279         Move to config/x86/target.h.
2280         * config/linux/alpha/futex_bits.h: New.
2281         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
2282         * config/x86/target.h: Disable target types for 32-bit.
2283         * config/alpha/sjlj.S, config/alpha/target.h: New.
2284         * libitm.h (struct gtm_dispatch): Add init, fini.
2285         (enum restart_reason): New.
2286         (struct gtm_transaction): Add method and restarts.
2287         * retry.c (GTM_decide_retry_strategy): Implement.
2288         * serial.c (serial_init, serial_fini): New.
2289         (GTM_serialmode): Finialize outgoing method.
2290         * method-wbetl.c: New.
2291
2292 2008-12-09  Richard Henderson  <rth@redhat.com>
2293
2294         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
2295         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
2296         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
2297         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
2298         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
2299         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
2300         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
2301         * serial.c (serial_R##T, serial_W##T): Likewise.
2302
2303 2008-11-21  Richard Henderson  <rth@redhat.com>
2304
2305         * Initial commit.
2306 \f
2307 Copyright (C) 2008-2021 Free Software Foundation, Inc.
2308
2309 Copying and distribution of this file, with or without modification,
2310 are permitted in any medium without royalty provided the copyright
2311 notice and this notice are preserved.