libitm/ChangeLog

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