libitm/ChangeLog

   1 2013-10-16  Release Manager
   2
   3         * GCC 4.8.2 released.
   4
   5 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   6
   7         Revert:
   8         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
   9
  10         * configure.tgt: Add -msoft-float to XCFLAGS.
  11
  12
  13 2013-08-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  14
  15         * config/s390/sjlj.S: Add file missing from last commit.
  16         * config/s390/target.h: Likewise.
  17
  18 2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  19
  20         Backports from mainline:
  21         2013-04-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  22
  23         * config/s390/sjlj.S: New file.
  24         * config/s390/target.h: New file.
  25         * configure.tgt: Set options for S/390.
  26
  27         2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  28
  29         * config/s390/target.h: Include htmintrin.h.
  30         (_HTM_ITM_RETRIES): New macro definition.
  31         (htm_available, htm_init, htm_begin, htm_begin_success)
  32         (htm_commit, htm_abort, htm_abort_should_retry): New functions.
  33
  34         2013-07-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  35
  36         * acinclude.m4: Add htm asm check for s390.
  37         * configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the
  38         options.
  39         * configure: Regenerate.
  40         * config/s390/target.h: Remove __HTM__ check.
  41         (htm_available): Call getauxval to get hwcaps and check
  42         whether HTM is available or not.
  43
  44         2013-07-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  45
  46         * config/s390/target.h (htm_begin, htm_commit, htm_abort)
  47         (htm_transaction_active): Enable zEC12 instructions in the
  48         assembler.
  49         * configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
  50
  51         2013-08-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  52
  53         * configure.tgt: Add -msoft-float to XCFLAGS.
  54
  55 2013-05-31  Release Manager
  56
  57         * GCC 4.8.1 released.
  58
  59 2013-03-22  Release Manager
  60
  61         * GCC 4.8.0 released.
  62
  63 2013-02-11  Iain Sandoe  <iain@codesourcery.com>
  64             Jack Howarth  <howarth@bromo.med.uc.edu>
  65             Patrick Marlier  <patrick.marlier@gmail.com>
  66
  67         PR libitm/55693
  68         * alloc_cpp.cc: Enable function declarations on darwin.
  69         * eh_cpp.cc: Likewise.
  70
  71 2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>
  72
  73         Update copyright years.
  74
  75 2012-11-09  Torvald Riegel  <triegel@redhat.com>
  76
  77         * beginend.cc (htm_fastpath): New.
  78         (gtm_thread::begin_transaction, _ITM_commitTransaction,
  79         _ITM_commitTransactionEH): Add HTM fastpath handling.
  80         * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
  81         * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
  82         * config/x86/target.h (htm_available, htm_init, htm_begin_success,
  83         htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
  84         * configure.tgt: Add -mrtm to XCFLAGS.
  85         * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
  86         (gtm_thread::serialirr_mode): Add HTM fastpath handling.
  87         * libitm_i.h (htm_fastpath, dispatch_htm): Declare.
  88         * retry.cc (parse_default_method): Add HTM method parsing.
  89         (gtm_thread::number_of_threads_changed): Use HTM by default if
  90         available.
  91
  92 2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
  93
  94         * configure: Regenerate.
  95
  96 2012-10-31  Richard Henderson  <rth@redhat.com>
  97
  98         * acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
  99         * configure.ac: Use it.
 100         * config.h.in, configure: Rebuild.
 101         * testsuite/Makefile.in: Rebuild.
 102
 103 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 104
 105         * libitm.texi: Clarify ABI requirements for data-logging functions.
 106
 107 2012-10-24  Torvald Riegel  <triegel@redhat.com>
 108
 109         * retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
 110         it requires serial mode instead of assuming that for certain
 111         dispatchs.
 112         * dispatch.h (abi_dispatch::requires_serial): New.
 113         (abi_dispatch::abi_dispatch): Adapt.
 114         * method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
 115         * method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
 116         * method-serial.cc (serialirr_dispatch::serialirr_dispatch,
 117         serial_dispatch::serial_dispatch,
 118         serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
 119
 120 2012-10-02  Uros Bizjak  <ubizjak@gmail.com>
 121
 122         * config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
 123         and ia32 declarations some more.
 124         * config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
 125
 126 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
 127
 128         PR other/43620
 129         * configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
 130         * configure: Regenerate.
 131         * Makefile.in: Regenerate.
 132
 133 2012-09-14  David Edelsohn  <dje.gcc@gmail.com>
 134
 135         * configure: Regenerated.
 136
 137 2012-07-31  Uros Bizjak  <ubizjak@gmail.com>
 138
 139         * config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
 140
 141 2012-05-21  Patrick Marlier  <patrick.marlier@gmail.com>
 142
 143         * eh_cpp.cc: Fix __cxa_end_catch declaration.
 144
 145 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
 146
 147         * configure: Regenerated.
 148
 149 2012-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 150
 151         PR libitm/52854
 152         * config/x86/target.h (gtm_jmpbuf): Replace long with long long
 153         for x86-64.
 154
 155 2012-04-03  Tristan Gingold  <gingold@adacore.com>
 156
 157         * configure: Regenerate.
 158
 159 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 160
 161         PR bootstrap/52812
 162         * configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
 163
 164 2012-03-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 165
 166         * testsuite/lib/libitm.exp: load fortran-modules.exp
 167
 168 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 169
 170         * configure.tgt (*-*-irix6*): Remove.
 171
 172 2012-03-13  Torvald Riegel  <triegel@redhat.com>
 173
 174         PR libitm/52526
 175         * config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
 176         wake-up.
 177
 178 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 179
 180         * configure.tgt (*-*-osf*): Remove.
 181         * configure: Regenerate.
 182
 183 2012-03-05  Torvald Riegel  <triegel@redhat.com>
 184
 185         * dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
 186         memtransfer/memset if size isn't larger than zero.
 187
 188 2012-03-02  Torvald Riegel  <triegel@redhat.com>
 189
 190         * libitm.texi: Link to specification and add a usage example.
 191
 192 2012-02-24  Torvald Riegel  <triegel@redhat.com>
 193
 194         * retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
 195         default dispatch for more than 1 thread to ml_wt.
 196
 197 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 198
 199         * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
 200
 201 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 202
 203         * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
 204
 205 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 206
 207         * method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
 208         serial mode corner cases made obsolete by prior gtm_rwlock changes.
 209         (gl_wt_dispatch.rollback): Same.
 210
 211 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 212
 213         * method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
 214
 215 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 216
 217         * method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
 218         for RfW src.  Optimize number of calls to gtm_thr.
 219
 220 2012-02-20  Torvald Riegel  <triegel@redhat.com>
 221
 222         * beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
 223         acquisition to ...
 224         * retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
 225         (default_dispatch): Make atomic.
 226         (GTM::gtm_thread::set_default_dispatch): Access atomically.
 227         (GTM::gtm_thread::decide_retry_strategy): Access atomically and
 228         use decide_begin_dispatch() if default_dispatch might have changed.
 229         (GTM::gtm_thread::number_of_threads_changed): Initialize
 230         default_dispatch here.
 231
 232 2012-02-15  Iain Sandoe  <iains@gcc.gnu.org>
 233             Patrick Marlier  <patrick.marlier@gmail.com>
 234
 235         PR libitm/52220
 236         * alloc_cpp.cc: No dummy definitions for darwin.
 237         * eh_cpp.cc: Likewise.
 238
 239 2012-02-14  Richard Henderson  <rth@redhat.com>
 240
 241         * config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
 242
 243 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 244
 245         * config/x86/target.h (GTM_longjmp): Correct .cfi directives.
 246
 247 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 248
 249         * libitm_i.h (GTM::gtm_rwlog_entry): New.
 250         (GTM::gtm_thread): Add read and write logs.
 251         (GTM::dispatch_ml_wt): Declare.
 252         * retry.cc (parse_default_method): Support ml_wt.
 253         * method-ml.cc: New file.
 254         * Makefile.am: Add method-ml.cc.
 255         * Makefile.in: Regenerate.
 256
 257 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 258
 259         * dispatch.h (GTM::abi_dispatch::supports): New.
 260         (GTM::method_group::reinit): New.
 261         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
 262         (GTM::gtm_thread::number_of_threads_changed): Check that the method
 263         supports the current situation.
 264
 265 2012-02-14  Torvald Riegel  <triegel@redhat.com>
 266
 267         * util.cc (GTM::xcalloc): New.
 268         * common.h (GTM::xcalloc): Declare.
 269
 270 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 271
 272         * config/sparc/target.h (cpu_relax): Read from CC register.
 273         * config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
 274
 275 2012-02-14  Uros Bizjak  <ubizjak@gmail.com>
 276
 277         * config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
 278
 279 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 280
 281         * configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
 282         * config/sparc/cacheline.h: New file.
 283         * config/sparc/target.h: Likewise.
 284         * config/sparc/sjlj.S: Likewise.
 285         * config/linux/sparc/futex_bits.h: Likewise.
 286
 287 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 288
 289         * configure.ac (link_itm): Fix comment.
 290         * configure: Regenerate.
 291         * testsuite/lib/libitm.exp: Do not pass -litm for the link.
 292
 293 2012-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 294
 295         PR libitm/51822
 296         * testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
 297         Correct libgomp references.
 298
 299 2012-01-24  Torvald Riegel  <triegel@redhat.com>
 300
 301         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
 302         wake-up.
 303
 304 2012-01-24  Uros Bizjak  <ubizjak@gmail.com>
 305
 306         * config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
 307         end of structure.
 308         * config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
 309         offset values.  Do not copy return address.  Decrement stack
 310         by 56 bytes only.
 311         (GTM_longjump) [__x86_64__]: Update offset values.
 312
 313 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 314
 315         PR libitm/51830
 316         * config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
 317         the first function argument to %eax.
 318
 319 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 320
 321         * libitm.h (_ITM_getThreadnum): Remove.
 322         * libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
 323
 324 2012-01-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 325
 326         * clearcap.map: New file.
 327         * acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
 328         * configure.ac: Call it.
 329         Clear HWCAP_LDFLAGS if defaulting to -mavx.
 330         * Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
 331         * configure: Regenerate.
 332         * Makefile.in: Regenerate.
 333         * testsuite/Makefile.in: Regenerate.
 334
 335 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 336
 337         PR libitm/51173
 338         * testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
 339         include, exclude options.
 340
 341 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 342
 343         * local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
 344         rolling back.
 345         * containers.h (GTM::vector::set_size): New.
 346
 347 2012-01-14  Torvald Riegel  <triegel@redhat.com>
 348
 349         PR libitm/51855
 350         * config/generic/tls.h (GTM::mask_stack_top): New.
 351         (GTM::mask_stack_bottom): Declare.
 352         * config/generic/tls.c (GTM::mask_stack_bottom): New.
 353         * local.cc (gtm_undolog::rollback): Filter out any updates that
 354         overlap the libitm stack.  Add current transaction as parameter.
 355         * libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
 356         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 357         * testsuite/libitm.c/stackundo.c: New test.
 358
 359 2012-01-10  Richard Henderson  <rth@redhat.com>
 360
 361         * libitm_i.h (_Unwind_DeleteException): Declare weak.
 362         * eh_cpp.cc (_Unwind_DeleteException): Define for
 363         !HAVE_ELF_STYLE_WEAKREF.
 364
 365 2012-01-08  Torvald Riegel  <triegel@redhat.com>
 366
 367         * local.cc (GTM_LB): Use GTM::gtm_undolog.
 368         (GTM::gtm_thread::drop_references_undolog): Remove.
 369         (GTM::gtm_thread::commit_undolog,
 370         GTM::gtm_thread::rollback_undolog): Move to ...
 371         * libitm_i.h (GTM::gtm_undolog): ...here. New.
 372         (GTM::gtm_undolog_entry): Remove.
 373         (GTM::gtm_thread): Adapt.
 374         * beginend.cc (GTM::gtm_thread::rollback): Adapt.
 375         (GTM::gtm_thread::trycommit): Adapt.
 376         * method-serial.cc (serial_dispatch::log): Adapt.
 377         * method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
 378         (gl_wt_dispatch::store): Fix likely/unlikely.
 379         * containers.h (GTM::vector::resize): Add additional_capacity
 380         parameter and handle it.
 381         (GTM::vector::resize_noinline): New/adapt.
 382         (GTM::vector::push): New.
 383
 384 2012-01-06  Richard Henderson  <rth@redhat.com>
 385
 386         * configure.tgt: Support powerpc-linux and powerpc-darwin.
 387         * config/linux/powerpc/futex_bits.h: New file.
 388         * config/powerpc/cacheline.h: New file.
 389         * config/powerpc/sjlj.S: New file.
 390         * config/powerpc/target.h: New file.
 391         * config/generic/asmcfi.h (cfi_offset): New.
 392         (cfi_restore, cfi_undefined): New.
 393
 394 2012-01-05  Aldy Hernandez  <aldyh@redhat.com>
 395
 396         PR other/51171
 397         * testsuite/libitm.c/reentrant.c: Remove xfail.
 398         (thread): Pass x to pure().
 399         From Patrik Marlier <patrick.marlier@gmail.com>.
 400
 401 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 402
 403         * beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
 404         privatization safety if already in serial mode.
 405
 406 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 407
 408         * beginend.cc (GTM::gtm_thread::restart): Add and handle
 409         finish_serial_upgrade parameter.
 410         * libitm.h (GTM::gtm_thread::restart): Adapt declaration.
 411         * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
 412         Don't unset reader flag.
 413         (GTM::gtm_rwlock::write_upgrade_finish): New.
 414         * config/posix/rwlock.cc: Same.
 415         * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
 416         Declare.
 417         * config/posix/rwlock.h: Same.
 418         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
 419         flag after commit or after rollback when restarting.
 420
 421 2011-12-24  Torvald Riegel  <triegel@redhat.com>
 422
 423         * beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
 424         (GTM::gtm_thread::try_commit): Changed memory order.
 425         * config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
 426         as parameter.
 427         * config/linux/x86/futex_bits.h (sys_futex0): Same.
 428         * config/linux/sh/futex_bits.h (sys_futex0): Same.
 429         * config/linux/futex_bits.h (sys_futex0): Same.
 430         * config/linux/futex.cc (futex_wait, futex_wake): Same.
 431         * config/linux/futex.h (futex_wait, futex_wake): Same.
 432         * config/linux/rwlock.h (gtm_rwlock::writers,
 433         gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
 434         ints.
 435         * config/linux/rwlock.cc (gtm_rwlock::read_lock,
 436         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 437         gtm_rwlock::write_unlock): Fix memory orders and fences.
 438         * config/posix/rwlock.cc (gtm_rwlock::read_lock,
 439         gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
 440         gtm_rwlock::write_unlock): Same.
 441         * config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
 442         * method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
 443         gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
 444         Add comments.
 445         (gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
 446         gl_wt_dispatch::load, gl_wt_dispatch::store,
 447         gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
 448         orders and fences.  Add comments.
 449
 450 2011-12-21  Jakub Jelinek  <jakub@redhat.com>
 451
 452         * Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
 453         * Makefile.in: Regenerated.
 454
 455 2011-12-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 456
 457         * configure.tgt: Add sh* case.
 458         * config/sh/target.h: New file.
 459         * config/sh/sjlj.S: New file.
 460         * config/linux/sh/futex_bits.h: New file.
 461
 462 2011-12-14  Richard Henderson  <rth@redhat.com>
 463
 464         * config/arm/hwcap.h, config/arm/hwcap.cc: New files.
 465         * config/arm/sjlj.S, config/arm/target.h: New files.
 466         * config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
 467         (cfi_rel_offset): New.
 468         * config/linux/futex_bits.h: New file.
 469         * config/linux/futex.cc: Include futex_bits.h here...
 470         * config/linux/futex.h: ... not here.
 471         * Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
 472         * configure.ac (ARCH_AM): New conditional.
 473         * Makefile.in, configure: Rebuild.
 474         * configure.tgt: Handle ARM.
 475
 476 2011-12-13  Richard Henderson  <rth@redhat.com>
 477
 478         * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
 479         signed/unsigned comparison werror.
 480
 481         * local_atomic: New file.
 482         * libitm_i.h: Include it.
 483         (gtm_thread::shared_state): Use atomic template.
 484         * beginend.cc (GTM::gtm_clock): Use atomic template.
 485         (global_tid): Use atomic template if 64-bit atomics available.
 486         (gtm_thread::gtm_thread): Update shared_state access.
 487         (gtm_thread::trycommit): Likewise.
 488         (choose_code_path): Update global_tid access.
 489         * method-gl.cc (gl_mg::orec): Use atomic template.  Update all users.
 490         * stmlock.h (GTM::gtm_clock): Use atomic template.
 491         (gtm_get_clock, gtm_inc_clock): Update accesses.
 492         * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
 493         redundant __sync_synchronize after atomic shared_state access.
 494         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
 495         (gtm_rwlock::write_lock_generic): Likewise.
 496         (gtm_rwlock::read_unlock): Likewise.
 497         * config/alpha/target.h (atomic_read_barrier): Remove.
 498         (atomic_write_barrier): Remove.
 499         * config/x86/target.h (atomic_read_barrier): Remove.
 500         (atomic_write_barrier): Remove.
 501
 502 2011-11-30  Richard Henderson  <rth@redhat.com>
 503
 504         * libitm_i.h (GTM_longjmp): Swap first and second arguments.
 505         * beginend.c (_ITM_abortTransaction): Update to match.
 506         (GTM::gtm_thread::restart): Likewise.
 507         * config/alpha/sjlj.S (GTM_longjmp): Likewise.
 508         * config/x86/sjlj.S (GTM_longjmp): Likewise.
 509
 510 2011-11-23  Iain Sandoe  <iains@gcc.gnu.org>
 511
 512         * Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
 513         * Makefile.in: Regenerate.
 514
 515 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 516
 517         * configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
 518         * alloc_cpp.cc: Generate dummy functions if we don't
 519         HAVE_ELF_STYLE_WEAKREF.
 520         * eh_cpp.cc: Likewise.
 521         * configure: Regenerate.
 522         * aclocal.m4:  Likewise.
 523         * config.h.in: Likewise.
 524         * Makefile.in: Likewise.
 525         * testsuite/Makefile.in: Likewise.
 526
 527 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 528
 529         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
 530         __USER_LABEL_PREFIX__ for targets that use it.
 531         (TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
 532         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
 533         in portability to non-elf targets.
 534         (GTM_longjmp): Likewise.
 535         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
 536         where required.
 537
 538 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
 539
 540         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
 541         * testsuite/libitm.c/memset-1.c: Likewise.
 542
 543 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
 544
 545         * configure: Regenerate.
 546
 547 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 548
 549         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
 550         (LIBITM_ENABLE_SYMVERS): Handle sun style.
 551         * Makefile.am: Handle sun style versioning.
 552         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
 553         * configure: Regenerate.
 554         * Makefile.in: Regenerate.
 555
 556 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 557
 558         * config/generic/asmcfi.h: Fix comment.
 559         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
 560         sequence without .hidden support, error for non-ELF targets.
 561         (GTM_longjmp) [__ELF__]: Only use .hidden if
 562         HAVE_ATTRIBUTE_VISIBILITY.
 563
 564 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 565
 566         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
 567         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
 568         Dummy functions.
 569         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
 570         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
 571
 572 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
 573
 574         PR bootstrap/51098
 575         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
 576         * configure: Regenerate.
 577
 578 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
 579
 580         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
 581
 582 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 583
 584         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
 585         .hidden.
 586         (.note.GNU-stack): Only use if __linux__.
 587         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
 588         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
 589         * testsuite/libitm.c/reentrant.c: Likewise.
 590         * testsuite/libitm.c/simple-2.c: Likewise.
 591         * testsuite/libitm.c/txrelease.c: Likewise.
 592         * testsuite/libitm.c++/static_ctor.C: Likewise.
 593
 594 2011-11-10  Richard Henderson  <rth@redhat.com>
 595
 596         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
 597         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
 598         * configure.ac (ARCH_X86_AVX): New conditional.
 599         * Makefile.in, configure: Rebuild.
 600
 601 2011-11-09  Richard Henderson  <rth@redhat.com>
 602
 603         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
 604         * configure.ac: Use it.
 605         * config.h.in, configure: Rebuild.
 606         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
 607
 608 2011-11-09  Richard Henderson  <rth@redhat.com>
 609
 610         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
 611         * config/alpha/unaligned.h: Remove file.
 612         * config/generic/unaligned.h: Remove file.
 613         * config/x86/unaligned.h: Remove file.
 614         * config/generic/cachepage.h: Remove file.
 615         * config/posix/cachepage.cc: Remove file.
 616         * config/generic/cacheline.cc: Remove file.
 617         * config/x86/cacheline.cc: Remove file.
 618         * config/generic/cacheline.h (gtm_cacheline): Remove the
 619         store_mask, copy_mask, copy_mask_wb methods.
 620         * config/x86/cacheline.h: Likewise.
 621         * config/alpha/cacheline.h: Fall back to generic after setting size.
 622         * config/generic/tls.cc (gtm_mask_stack): Remove.
 623         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
 624         (GTM_vpalignr_table): Remove.
 625         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 626         (GTM_pshift_table): Remove.
 627         * config/libitm_i.h: Don't include cachepage.h.
 628         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 629         * Makefile.in, testsuite/Makefile.in: Rebuild.
 630
 631 2011-11-09  Richard Henderson  <rth@redhat.com>
 632
 633         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 634         to emit branch prediction hint.
 635
 636         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 637         Protect .note.GNU-stack with __linux__.
 638
 639         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 640         * configure, aclocal.m4, config.h.in: Rebuild.
 641         * config/generic/asmcfi.h: New file.
 642         * config/x86/sjlj.S: Use it.
 643
 644 2011-11-08  Richard Henderson  <rth@redhat.com>
 645
 646         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 647
 648 2011-11-08  Richard Henderson  <rth@redhat.com>
 649
 650         * configure.tgt: Test correct directory for supported cpus.
 651
 652         * configure.ac: Exit if unsupported.
 653         * configure: Rebuild.
 654         * configure.tgt: Delete boilerplate from libgomp for unsupported
 655         targets.  Set UNSUPPORTED for unsupported targets.
 656
 657 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 658
 659         * configure.tgt: Handle i386 like i[456]86.
 660         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 661         take address.
 662         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 663         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 664
 665 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 666
 667         * method-wbetl.cc: Update copyright notice.
 668         * aatree.cc: Same.
 669         * util.cc: Same.
 670         * libitm.h: Same.
 671         * memset.cc: Same.
 672         * eh_cpp.cc: Same.
 673         * barrier.tpl: Same.
 674         * useraction.cc: Same.
 675         * stmlock.h: Same.
 676         * memcpy.cc: Same.
 677         * common.h: Same.
 678         * config/generic/tls.cc: Same.
 679         * config/generic/cacheline.h: Same.
 680         * config/generic/cachepage.h: Same.
 681         * config/generic/cacheline.cc: Same.
 682         * config/generic/unaligned.h: Same.
 683         * config/x86/cacheline.h: Same.
 684         * config/x86/cacheline.cc: Same.
 685         * config/x86/unaligned.h: Same.
 686         * config/alpha/cacheline.h: Same.
 687         * config/alpha/unaligned.h: Same.
 688         * config/alpha/sjlj.S: Same.
 689         * config/posix/cachepage.cc: Same.
 690         * config/linux/futex.h: Same.
 691         * config/linux/alpha/futex_bits.h: Same.
 692
 693 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 694
 695         * libitm.texi: No cover text and invariant sections.
 696
 697 2011-11-03  Richard Henderson  <rth@redhat.com>
 698
 699         * local_type_traits: New file.
 700         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 701
 702 2011-11-03  Richard Henderson  <rth@redhat.com>
 703
 704         * configure.ac: Don't test for gfortran.
 705         * configure: Rebuild.
 706
 707         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 708         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 709
 710 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 711
 712         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 713         * testsuite/libitm.c/memset-1.c: Same.
 714         * testsuite/libitm.c/c.exp: Same.
 715         * testsuite/lib/libitm-dg.exp: Same.
 716         * testsuite/lib/libitm.exp: Same.
 717         * testsuite/libitm.c++/c++.exp: Same.
 718
 719 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 720
 721         * testsuite/config/default.exp: Update copyright date.
 722         * configure.ac: Add copyright info.
 723         * configure.tgt: Same.
 724
 725 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 726
 727         * testsuite/libitm.c/reentrant.c: XFAIL.
 728         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 729
 730 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 731
 732         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 733         handle aborts.
 734         (_ITM_abortTransaction): Handle aborts of outer transactions.
 735         * libitm_i.h: Same.
 736         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 737         * libitm.texi: Document aborts of outer transactions.
 738         * testsuite/libitm.c/cancel.c: New file.
 739
 740 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 741
 742         * testsuite/*: Change __transaction to __transaction_atomic or
 743         __transaction_relaxed.
 744
 745 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 746
 747         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 748         (gtm_thr): Same.
 749
 750 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 751
 752         * libitm_i.h: Add gl_wt dispatch.
 753         * retry.cc (parse_default_method): Same.
 754         * method-gl.cc: New file.
 755         * Makefile.am: Use method-gl.cc.
 756         * Makefile.in: Rebuild.
 757
 758 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 759
 760         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 761         safety if requested by a TM method.
 762         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 763         privatization safety.
 764         * method-serial.cc: Same.
 765
 766 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 767
 768         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 769         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 770         undolog-related member functions from *_local to *_undolog.
 771         * local.cc (gtm_thread::commit_undolog): Same.
 772         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 773         (GTM::gtm_thread::rollback): Roll back undolog before
 774         dispatch-specific rollback.
 775
 776 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 777
 778         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 779         re-initialization of the current method group.
 780         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 781
 782 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 783
 784         * alloc.cc (commit_allocations_2): Do not free transaction-local
 785         memory when committing a nested transaction.
 786
 787 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 788
 789         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 790         serial-irrevocable dispatch, not serial.
 791
 792 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 793
 794         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 795         declarations.
 796         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 797         * method-serial.cc: Implement begin_or_restart().
 798         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 799         dispatch-specific begin_or_restart().
 800         (GTM::gtm_thread::restart): Same.
 801
 802 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 803
 804         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 805         restarting without switching to serial mode.
 806         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 807         transaction state. Choose closed-nesting alternative if available.
 808         (GTM::gtm_thread::set_default_dispatch): New.
 809         (parse_default_method): New.
 810         (GTM::gtm_thread::number_of_threads_changed): New.
 811         * method-serial.cc (GTM::serial_mg): New method group class.
 812         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 813         fini.
 814         (GTM::serial_dispatch): Same.
 815         (GTM::serialirr_onwrite_dispatch): Same.
 816         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 817         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 818         registered threads.
 819         (GTM::gtm_thread::gtm_thread): Same.
 820         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 821         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 822         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 823         choose dispatch but set state according to dispatch here.
 824         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 825         (GTM::method_group): New class.
 826         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 827         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 828         * libitm.texi: Document TM methods, method groups, method life cycle.
 829         Rename method sets to method groups.
 830
 831 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 832
 833         * config/x86/tls.h: Moved to ...
 834         * config/linux/x86/tls.h: ... here.
 835
 836 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 837
 838         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 839         Add X32 support.
 840         * config/x86/sjlj.S: Same.
 841
 842 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 843
 844         * config/linux/rwlock.h: New file.
 845         * config/linux/rwlock.c: New file.
 846         * configure.ac: Reenable futex support (undo SVN rev 157758).
 847         * Makefile.am: Same.
 848         * configure.tgt: Same.
 849         * config/linux/alpha/futex_bits.h: Same.
 850         * config/linux/futex.h: Same. Return number of woken processes.
 851         * config/linux/futex.cc: Same.
 852         (futex_wait): Remove spinning.
 853         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 854         Use __x86_64__ instead of __LP64__.
 855         * aclocal.m4: Include generic futex checks.
 856         * configure: Rebuild.
 857         * Makefile.in: Rebuild.
 858         * testsuite/Makefile.in: Rebuild.
 859         * beginend.cc: Include pthread.h.
 860         * config/posix/cachepage.cc: Same.
 861
 862 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 863
 864         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 865         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 866         (set_gtm_thr): New.
 867         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 868         (set_gtm_thr): New.
 869         (GTM::gtm_thread::thread_num): Removed.
 870         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 871         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 872         tx-to-thread renaming.
 873         * beginend.cc: Adapted to tx-to-thread renaming.
 874         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 875         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 876         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 877         gtm_transaction to gtm_thread.
 878         (_ITM_getThreadnum): Removed. Not supported anymore.
 879         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 880         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 881         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 882         gtm_tx-to-gtm_thr renaming if necessary.
 883         * eh_cpp.cc: Same.
 884         * local.cc: Same.
 885         * retry.cc: Same.
 886         * clone.cc: Same.
 887         * alloc.cc: Same.
 888         * alloc_c.cc: Same.
 889         * alloc_cpp.cc: Same.
 890         * method-serial.cc: Same.
 891         * config/generic/tls.cc: Same.
 892         * config/posix/rwlock.h (gtm_rwlock): Same.
 893         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 894
 895 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 896
 897         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 898         implementation.
 899         (gtm_rwlock::read_unlock): Same.
 900         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 901         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 902         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 903         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 904         w_upgrade. Replaced by per-transaction flags (in shared_state).
 905         Added c_confirmed_writers.
 906         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 907         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 908         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 909         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 910         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 911         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 912         * libitm.texi: Document locking conventions and implementations in
 913         libitm.
 914
 915 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 916
 917         * libitm_i.h (next_tx): Add list of all threads' transaction.
 918         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 919         transaction with list of transactions and ...
 920         (thread_exit_handler): ... deregister here.
 921         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 922         * config/x86/target.h: Same.
 923
 924 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 925
 926         * testsuite/libitm.c++/static_ctor.C: New file.
 927
 928 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 929
 930         * testsuite/libitm.c/reentrant.c: New file.
 931
 932 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 933
 934         * config/generic/tls.h: Remove the free list for transactions and ...
 935         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 936         (GTM::gtm_transaction::operator delete): ... and release here.
 937         (thread_exit_handler): New. Delete tx when thread terminates.
 938         (thread_exit_init): New.
 939         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 940         * testsuite/libitm.c/txrelease.c: New file.
 941
 942 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 943
 944         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 945         * testsuite/libitm.c/notx.c: New file.
 946
 947 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 948
 949         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 950         * libitm_i.h (local_tid): ... to here.
 951         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 952         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 953
 954 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 955
 956         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 957         serialirr_onwrite_dispatch as new default for now.
 958         * method-serial.cc (serialirr_onwrite_dispatch): New.
 959         (GTM::dispatch_serialirr_onwrite): New.
 960         * libitm_i.h: Same.
 961
 962 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 963
 964         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 965         * query.cc (_ITM_getTransactionId): There is no active transaction if
 966         the current nesting level is zero.
 967
 968 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 969
 970         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 971         rollback.
 972
 973 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 974
 975         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 976         transaction properties from the caller instead of from the
 977         transaction object.
 978         * libitm_i.h: Same.
 979         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 980
 981 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 982
 983         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 984         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 985         * dispatch.h: Same.
 986         * method-serial.cc: Same.
 987         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 988         flat nesting as default, and closed nesting on demand.
 989         (GTM::gtm_transaction::rollback): Same.
 990         (_ITM_abortTransaction): Same.
 991         (GTM::gtm_transaction::restart): Same.
 992         (GTM::gtm_transaction::trycommit): Same.
 993         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 994         (choose_code_path): New.
 995         (GTM::gtm_transaction_cp::save): New.
 996         (GTM::gtm_transaction_cp::commit): New.
 997         * query.cc (_ITM_inTransaction): Support flat nesting.
 998         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 999         (GTM::gtm_transaction): Support flat and closed nesting.
1000         * alloc.cc (commit_allocations_2): New.
1001         (commit_cb_data): New helper struct.
1002         (GTM::gtm_transaction::commit_allocations): Handle nested
1003         commits/rollbacks.
1004         * libitm.texi: Update user action section, add description of nesting.
1005
1006 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1007
1008         * libitm_i.h: Add closed nesting as restart reason.
1009         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
1010
1011 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1012
1013         * useraction.cc: Use vector instead of list to store actions.
1014         Also support partial rollbacks for closed nesting.
1015         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
1016         * beginend.cc: Same.
1017
1018 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1019
1020         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
1021         closed_nesting flags, as well as a closed nesting alternative.
1022         * method-serial.cc: Same.
1023         (serial_dispatch): Renamed to serialirr_dispatch.
1024         (GTM::dispatch_serialirr): Same.
1025         (serial_dispatch_ul): Renamed to serial_dispatch.
1026         (GTM::dispatch_serial): Same.
1027
1028 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1029
1030         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
1031
1032 2011-07-28  Torvald Riegel  <triegel@redhat.com>
1033
1034         * aatree.h (aa_tree::remove): New.
1035         (aa_tree::operator new): Add placement new.
1036
1037 2011-07-02  Torvald Riegel  <triegel@redhat.com>
1038
1039         * containers.h: New file.
1040         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
1041         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
1042         * common.h: ... to here.
1043         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
1044         * local.cc: Same.
1045
1046 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1047
1048         * libitm_i.h (STATE_ABORTING): Remove.
1049         * beginend.cc (_ITM_abortTransaction): Same.
1050         (GTM::gtm_transaction::trycommit_and_finalize): Same.
1051         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
1052         (_ITM_rollbackTransaction): Remove.
1053         * beginend.cc: Same.
1054         * libitm.map: Same.
1055         * libitm.texi: Document these ABI changes.
1056
1057 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1058
1059         * libitm.texi: New file.
1060         * Makefile.am: Add libitm.texi.
1061         * Makefile.in: Rebuild.
1062
1063 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1064
1065         * libitm_i.h: Move parts to common.h and dispatch.h.
1066         * common.h: New file.
1067         * dispatch.h: New file, new dispatch class.
1068         Rename GTM::abi_dispatch::lock_type to ls_modifier.
1069         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
1070         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
1071         decision to retry.cc.
1072         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
1073         only.
1074         (GTM::gtm_transaction::decide_begin_dispatch): Same.
1075         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
1076         logging.
1077         * barrier.cc: Use new barriers definitions.
1078         (abi_dispatch::memmove_overlap_check): New.
1079         * config/x86/x86_sse.cc: Same.
1080         * config/x86/x86_avx.cc: Same.
1081         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
1082         memcpy.cc.
1083         * Makefile.in: Rebuild.
1084         * method-readonly.cc: Remove.
1085         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
1086         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
1087
1088 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1089
1090         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
1091         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
1092         * testsuite/libitm.c/dropref-2.c: Same.
1093         * testsuite/libitm.c/dropref.c: Same.
1094
1095 2011-06-30  Torvald Riegel  <triegel@redhat.com>
1096
1097         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
1098         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
1099         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
1100         * alloc_c.cc: Same.
1101         * barrier.tpl: Same.
1102         * beginend.c: Same.
1103         * config/generic/tls.h: Same.
1104         * config/x86/tls.h: Same.
1105         * libitm_i.h: Same.
1106         * memcpy.cc: Same.
1107         * memset.cc: Same.
1108         * method-readonly.cc: Same.
1109         * method-serial.cc: Same.
1110         * method-wbetl.cc: Same.
1111         * retry.cc: Same.
1112
1113 2011-03-03  Richard Henderson  <rth@redhat.com>
1114
1115         * config/posix/rwlock.cc (write_upgrade): Add missing case.
1116         From Patrik Marlier <patrick.marlier@unine.ch>.
1117
1118 2011-02-03  Richard Henderson  <rth@redhat.com>
1119
1120         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
1121         * configure.ac: Use it.
1122         * configure, config.h.in: Rebuild.
1123         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
1124         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
1125         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
1126         * libitm.map: Use wildcards to match size_t mangling.
1127
1128 2010-12-14  Richard Henderson  <rth@redhat.com>
1129
1130         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
1131         blocks of TIDs per thread.
1132         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
1133         (setup_gtm_thr): Return the thread structure.
1134         * config/x86/tls.h (setup_gtm_thr): Likewise.
1135
1136 2010-12-14  Richard Henderson  <rth@redhat.com>
1137
1138         * clone.cc (table_lock): Remove.
1139         (find_clone): Don't take it.
1140         (ExcludeTransaction): New helper class.
1141         (_ITM_registerTMCloneTable): Use it.
1142         (_ITM_deregisterTMCloneTable): Likewise.
1143
1144 2010-12-14  Richard Henderson  <rth@redhat.com>
1145
1146         * config/x86/tls.h: New file.
1147
1148 2010-07-15  Richard Henderson  <rth@redhat.com>
1149
1150         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
1151         * Makefile.in: Rebuild.
1152
1153 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1154
1155         * method-wbetl.cc (trydropreference): Fix source line.
1156
1157 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
1158
1159         * libitm.h: Add comment.
1160         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
1161
1162 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
1163
1164         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
1165         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
1166         available, use pthread mutexes.
1167         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
1168         * config.h.in: Regenerate.
1169         * configure: Regenerate.
1170
1171 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
1172
1173         * libitm.h (ITM_PURE): Define.
1174         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
1175
1176 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1177
1178         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
1179         (validate): Add comment.
1180         (trydropreference): New.
1181         * method-readonly.cc (class readonly_dispatch): Add
1182         trydropreference.
1183         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
1184         Call trydropreference().
1185         * libitm.h (_ITM_dropReferences): Remove const attribute.
1186         * method-serial.cc (class serial_dispatch): Add trydropreference.
1187         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
1188
1189 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
1190
1191         * memcpy.cc (do_memcpy): Comment.
1192
1193 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
1194
1195         * barrier.tpl: Add comments throughout.
1196
1197 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1198
1199         * method-wbetl.cc (struct w_entry): Add comments.
1200         (trycommit): Same.
1201         (rollback): Same.
1202
1203 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
1204
1205         * alloc_c.cc (_ITM_dropReferences): New.
1206         * libitm.map (_ITM_dropReferences): Add.
1207         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
1208         * libitm_i.h (struct gtm_transaction): Declare
1209         drop_references_allocations and drop_references_local.
1210         * local.cc (rollback_local): Ignore memory when applicable.
1211         (drop_references_local): New.
1212
1213 2010-06-23  Richard Henderson  <rth@redhat.com>
1214
1215         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
1216         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
1217         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
1218         * config/alpha/target.h: Likewise.
1219         * config/generic/tls.cc (gtm_mask_stack): Use it.
1220
1221 2010-06-23  Richard Henderson  <rth@redhat.com>
1222
1223         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
1224         a mutex instead of trying a lock-free compare-and-swap on the list.
1225         (gtm_cacheline_page::operator delete): Likewise.
1226
1227 2010-06-16  Richard Henderson  <rth@redhat.com>
1228
1229         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
1230         that overlap the libitm stack.
1231         * barrier.tpl: Mark incoming stack.
1232         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
1233         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
1234         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
1235         * memcpy.cc, memset.cc: Likewise.
1236         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
1237         * config/generic/tls.h (gtm_thread): Add stack_top member.
1238         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
1239         * libitm_i.h (gtm_mask_stack): Declare.
1240         * config/generic/tls.cc: New file.
1241         * Makefile.am (libitm_la_SOURCES): Add it.
1242         (AM_CXXFLAGS): Turn off exceptions.
1243         * Makefile.in: Rebuild.
1244
1245 2010-06-16  Richard Henderson  <rth@redhat.com>
1246
1247         * alloc.cc (struct gtm_alloc_action): Move definition ...
1248         * libitm_i.h: ... here.
1249         (class gtm_transaction): Declare new and delete.
1250         * beginend.cc (alloc_tx): Reformulate as operator new.
1251         (free_tx): Reformulate as operator delete.
1252         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
1253
1254 2010-06-11  Richard Henderson  <rth@redhat.com>
1255
1256         * clone.cc (clone_entry_compare): Fix typo.
1257         From Patrik Marlier <patrick.marlier@unine.ch>.
1258
1259 2010-05-13  Richard Henderson  <rth@redhat.com>
1260
1261         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
1262         in extern "C".
1263
1264 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
1265
1266         * libitm_i.h (struct gtm_transaction): Remove
1267         get_allocation_size.
1268         (record_allocation): Remove size parameter.
1269         * libitm.map (_ITM_realloc): Remove.
1270         * alloc_c.cc (_ITM_realloc): Remove.
1271         (_ITM_malloc): Remove size argument to record_allocation.
1272         (_ITM_calloc): Same.
1273         * alloc_cpp.cc (_ZGTtnwm): Same.
1274         (_ZGTtnwmRKSt9nothrow_t): Same.
1275         (_ZGTtnam): Same.
1276         (_ZGTtnamRKSt9nothrow_t): Same.
1277         * alloc.cc (struct gtm_alloc_action): Remove size.
1278         (get_allocation_size): Remove.
1279         (commit_allocations): Add comment.
1280         (record_allocation): Remove size parameter.
1281         (forget_allocation): Remove set of size.
1282
1283 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
1284
1285         * Makefile.am (abi_version): New.
1286         (AM_CXXFLAGS): Pass abi_version.
1287         * Makefile.in: Regenerate.
1288         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
1289
1290 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
1291
1292         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
1293         _ITM_getTMCloneOrIrrevokable.
1294         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
1295         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
1296
1297 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
1298
1299         * configure.ac: Remove Linux futex support.
1300         * configure.tgt (config_path): Same.
1301         * Makefile.am: Same.
1302         * config/linux: Remove entire directory.
1303         * configure: Rebuild.
1304         * Makefile.in: Rebuild.
1305         * testsuite/Makefile.in: Rebuild.
1306
1307 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
1308
1309         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
1310         switching to serial mode.
1311         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
1312
1313 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
1314
1315         * configure.tgt: Add emacs -*- tags.
1316         * barrier.tpl: Same.
1317
1318 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
1319
1320         * Makefile.am: Rename serial.cc to method-serial.cc.
1321         * Makefile.in: Regenerate with automake 1.11.1.
1322         * testsuite/Makefile.in: Same.
1323         * aclocal.m4: Regenerate with aclocal 1.11.1.
1324         * method-serial.cc: Rename from serial.cc.
1325         * libitm_i.h (struct gtm_transaction): Update comment on
1326         serialirr_mode.
1327
1328 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
1329
1330         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
1331         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
1332
1333 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
1334
1335         * configure: Rebuild.
1336
1337 2009-11-12  Richard Henderson  <rth@redhat.com>
1338
1339         * Rewrite everything in C++.
1340
1341 2009-11-03  Richard Henderson  <rth@redhat.com>
1342
1343         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
1344         * Makefile.am (libitm_la_SOURCES): Add them.
1345         * configure.ac (ARCH_X86): New conditional.
1346         * Makefile.in, configure: Rebuild.
1347         * configure.tgt: Set up ARCH; do cflags setup at the same time.
1348         Move futex setup into "other system configury" case.
1349         * local.c (rollback_local): Merge into ...
1350         (GTM_rollback_local): ... here.
1351         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
1352         (_ITM_LB): Define as an alias to GTM_LB.
1353
1354 2009-11-03  Richard Henderson  <rth@redhat.com>
1355
1356         * method-readonly.c: New file.
1357         * Makefile.am (libitm_la_SOURCES): Add it.
1358         * Makefile.in: Rebuild.
1359         * beginend.c (gtm_stmlock_array, gtm_clock): New.
1360         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
1361         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
1362         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
1363         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
1364         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
1365         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
1366         gtm_get_clock, gtm_inc_clock): New.
1367         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
1368         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
1369         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
1370         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
1371         replace uses with new libitm_i.h symbols.
1372         (dispatch_wbetl): Rename from wbetl_dispatch.
1373         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
1374         away from dispatch_readonly; abort if the beginTransaction call
1375         asserted that the transaction was readonly.
1376
1377 2009-11-03  Richard Henderson  <rth@redhat.com>
1378
1379         * memset.c: New file.
1380         * Makefile.am (libitm_la_SOURCES): Add it.
1381         * Makefile.in: Rebuild.
1382         * testsuite/libitm.c/memset-1.c: New.
1383
1384 2009-11-03  Richard Henderson  <rth@redhat.com>
1385
1386         * dispatch.c: Remove file.
1387         * useraction.c (struct gtm_user_action): Move from libitm.h.
1388         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
1389         (serial_memset, serial_memmove, serial_memcpy): Remove.
1390         (serial_W*, serial_R*): Remove.
1391         (serial_dispatch): Update to match.
1392         * configure.ac: Move Werror down below configure checks.  Don't
1393         check for sys/loadavg.h, do check for malloc.h.  Don't check for
1394         getloadavg and clock_gettime; do check for memalign, posix_memalign.
1395         Use GCC_AC_FUNC_MMAP_BLACKLIST
1396         * libitm.h: Split out all internal items to...
1397         * libitm_i.h: ... here.  New file.
1398         * copymask.c: New file.
1399         * local.c (struct gtm_local_undo): Move from libitm.h.
1400         (GTM_alloc_local): Rename from alloc_local; export.
1401         * memcpy.c: New file.
1402         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
1403         * config/posix/page.c: New file.
1404         * config/posix/target_tls.h: Remove file.
1405         * barrier.c: New file.
1406         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
1407         copymask.c, page.c.
1408         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
1409         * method-wbetl.c: Rewrite for new cacheline methods.
1410         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
1411
1412         * config/alpha/sjlj.S: Fix typo.
1413         * config/alpha/target_i.h: Copy functions from alpha/target.h.
1414         * config/alpha/copymask.c: New file.
1415         * config/alpha/target.h (CACHELINE_SIZE): New.
1416         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
1417
1418         * config/x86/target_i.h: Copy functions from x86/target.h.
1419         * config/x86/copymask.c: New file.
1420         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
1421         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
1422         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
1423         * config/x86/target_tls.h: Move contents to target_i.h.
1424
1425         * testsuite/libitm.c/clone-1.c: Include libitm.h.
1426         * testsuite/libitm.c/memcpy-1.c: New.
1427
1428 2009-10-22  Richard Henderson  <rth@redhat.com>
1429
1430         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
1431         (AM_CCASFLAGS): New.
1432         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
1433         saving/restoring _AC_ARG_VAR_PRECIOUS.
1434         * Makefile.in, aclocal.m4, config.h.in, configure,
1435         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
1436
1437 2009-10-22  Richard Henderson  <rth@redhat.com>
1438
1439         * testsuite/*: Update for new compiler syntax.
1440
1441 2009-10-21  Richard Henderson  <rth@redhat.com>
1442
1443         * libitm.h (_ITM_abortReason): Add outerAbort.
1444
1445 2009-08-03  Richard Henderson  <rth@redhat.com>
1446
1447         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
1448         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
1449         * method-wbetl.c (struct w_entry): Remove mask.
1450         (wbetl_write, wbetl_load): Return pointer to word containing the data;
1451         adjust all callers.
1452
1453 2009-07-22  Richard Henderson  <rth@redhat.com>
1454
1455         * eh_cpp.c: New file.
1456         * Makefile.am (libitm_la_SOURCES): Add it.
1457         * Makefile.in: Rebuild.
1458         * beginend.c (GTM_rollback_transaction): Undo exception state.
1459         (GTM_trycommit_transaction): Mark inline.
1460         (GTM_trycommit_and_finalize_transaction): Split out from ...
1461         (_ITM_commitTransaction): ... here.
1462         (_ITM_commitTransactionEH): New function.
1463         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
1464         cxa_unthrown, eh_in_flight; reorder.
1465
1466         * testsuite/libitm.c++/c++.exp: New.
1467         * testsuite/libitm.c++/eh-1.C: New.
1468
1469         * aatree.c (aa_free): Remove REGPARM.
1470         * aatree.h: Remove all REGPARM.
1471
1472 2009-07-18  Richard Henderson  <rth@redhat.com>
1473
1474         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
1475         * Makefile.am (libitm_la_SOURCES): Add them.
1476         * Makefile.in: Rebuild.
1477         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
1478         (GTM_trycommit_transaction): Likewise.
1479         * libitm.h: Include aatree.h
1480         (struct gtm_alloc_action): New.
1481         (struct gtm_transaction): Add alloc_actions.
1482         (GTM_record_allocation, GTM_forget_allocation): Declare.
1483         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
1484         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
1485         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
1486         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
1487         _ZGTtdaPvRKSt9nothrow_t): Export.
1488
1489 2009-07-18  Richard Henderson  <rth@redhat.com>
1490
1491         * target_tls.h: Move ...
1492         * config/posix/target_tls.h: ... here.
1493
1494 2009-07-07  Richard Henderson  <rth@redhat.com>
1495
1496         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
1497
1498 2009-07-07  Richard Henderson  <rth@redhat.com>
1499
1500         * Update to GPL3.
1501
1502 2009-07-07  Richard Henderson  <rth@redhat.com>
1503
1504         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
1505         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
1506
1507         * configure.tgt: Don't use -ftls-model for x86 linux.
1508         * libitm.h: Include target.h after standard includes.
1509         (_gtm_thr): Rename from gtm_thr.
1510         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
1511         (gtm_disp, set_gtm_disp): New.
1512         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
1513         retry.c, serial.c, useraction.c: Use accessor functions throughout.
1514         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
1515
1516 2009-07-07  Richard Henderson  <rth@redhat.com>
1517
1518         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
1519
1520 2009-07-06  Richard Henderson  <rth@redhat.com>
1521
1522         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
1523         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
1524         (_ITM_beginTransaction): Take variadic arguments.
1525         (_ITM_registerThrownObject): Declare.
1526         * beginend.c, serial.c: Update.
1527         * libitm.map: Add _ITM_registerThrownObject.
1528
1529 2009-01-28  Richard Henderson  <rth@redhat.com>
1530
1531         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1532         * Makefile.in: Rebuild.
1533         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1534         (GTM_restart_transaction): Fix uninstrumented code check.
1535         * retry.c (GTM_decide_retry_strategy): Add serial check.
1536         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1537         automatically go irrevokable when in serial mode.
1538         * clone.c: New file.
1539         * libitm.h, libitm.map: Update.
1540
1541 2009-01-27  Richard Henderson  <rth@redhat.com>
1542
1543         * Makefile.am (LTCCASCOMPILE): Define.
1544         (libitm_la_SOURCES): Add methid-wbetl.c.
1545         * testsuite/Makefile.am: New
1546         * configure.ac: Add testsuite/Makefile.
1547         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1548         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1549         (_ITM_abortTransaction): Finalize implementation method; pass
1550         transaction properties to longjmp.
1551         (GTM_restart_transaction): Split out from ...
1552         (_ITM_commitTransaction): ... here.
1553         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1554         Move to config/x86/target.h.
1555         * config/linux/alpha/futex_bits.h: New.
1556         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1557         * config/x86/target.h: Disable target types for 32-bit.
1558         * config/alpha/sjlj.S, config/alpha/target.h: New.
1559         * libitm.h (struct gtm_dispatch): Add init, fini.
1560         (enum restart_reason): New.
1561         (struct gtm_transaction): Add method and restarts.
1562         * retry.c (GTM_decide_retry_strategy): Implement.
1563         * serial.c (serial_init, serial_fini): New.
1564         (GTM_serialmode): Finialize outgoing method.
1565         * method-wbetl.c: New.
1566
1567 2008-12-09  Richard Henderson  <rth@redhat.com>
1568
1569         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1570         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1571         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1572         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1573         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1574         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1575         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1576         * serial.c (serial_R##T, serial_W##T): Likewise.
1577
1578 2008-11-21  Richard Henderson  <rth@redhat.com>
1579
1580         * Initial commit.