libitm/ChangeLog

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