libitm/ChangeLog

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