libitm/ChangeLog

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