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ChangeLog
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2016-12-21 Release Manager
* GCC 6.3.0 released.
2016-08-22 Release Manager
* GCC 6.2.0 released.
2016-04-27 Release Manager
* GCC 6.1.0 released.
2016-03-03 Dominik Vogt <[email protected]>
* config/s390/target.h (TARGET_BEGIN_TRANSACTION_ATTRIBUTE): Define
function attribute to disable floating point in begin_transaction() on
S/390.
* beginend.cc (begin_transaction): Use
TARGET_BEGIN_TRANSACTION_ATTRIBUTE.
2016-01-22 Torvald Riegel <[email protected]>
* beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline
boundary.
(htm_fastpath): Remove.
(gtm_thread::begin_transaction): Fix HTM fastpath.
(_ITM_commitTransaction): Adapt.
(_ITM_commitTransactionEH): Adapt.
* libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member
and accessors.
* libitm/config/posix/rwlock.h (gtm_rwlock): Likewise.
* libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt.
* libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath.
* libitm/libitm_i.h (htm_fastpath): Remove declaration.
* libitm/method-serial.cc (htm_mg): Adapt.
(gtm_thread::serialirr_mode): Adapt.
* libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt.
2016-01-21 Torvald Riegel <[email protected]>
* testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
or AIX.
2016-01-19 Richard Henderson <[email protected]>
PR bootstrap/69343
PR bootstrap/69339
Revert:
2016-01-13 Richard Henderson <[email protected]>
* Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
(libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
(libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
(libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
* configure.ac (ARCH_AARCH64): New conditional.
(ARCH_PPC, ARCH_S390): Likewise.
* Makefile.in, configure: Rebuild.
* libitm.h (_ITM_TYPE_M128): Always define.
* vect64.cc: Split ...
* vect128.cc: ... out of...
* config/x86/x86_sse.cc: ... here.
* config/arm/neon.cc: New file.
2016-01-19 Torvald Riegel <[email protected]>
* local_type_traits: Remove file.
* libitm_i.h: Don't include it anymore.
(sized_integral): Remove.
2016-01-16 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::trycommit): Ensure proxy privatization
safety.
* method-ml.cc (ml_wt_dispatch::trycommit): Likewise.
* libitm/testsuite/libitm.c/priv-1.c: New.
2015-01-15 Torvald Riegel <[email protected]>
testsuite/libitm.c++/libstdc++-safeexc.C: New.
2016-01-13 Torvald Riegel <[email protected]>
* beginend.cc (gtm_thread::trycommit): Fix seq_cst fences.
* config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
(gtm_rwlock::write_unlock): Likewise.
2016-01-13 Richard Henderson <[email protected]>
* Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
(libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
(libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
(libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
* configure.ac (ARCH_AARCH64): New conditional.
(ARCH_PPC, ARCH_S390): Likewise.
* Makefile.in, configure: Rebuild.
* libitm.h (_ITM_TYPE_M128): Always define.
* vect64.cc: Split ...
* vect128.cc: ... out of...
* config/x86/x86_sse.cc: ... here.
* config/arm/neon.cc: New file.
2016-01-13 Torvald Riegel <[email protected]>
* beginend.cc (gtm_thread::trycommit): Fix privatization safety.
* config/linux/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
* config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Likewise.
* dispatch.h (abi_dispatch::snapshot_most_recent): New.
* method-gl.cc (gl_wt_dispatch::snapshot_most_recent): New.
* method-ml.cc (ml_wt_dispatch::snapshot_most_recent): New.
* method-serial.cc (serial_dispatch::snapshot_most_recent): New.
(serialirr_dispatch::snapshot_most_recent): New.
(serialirr_onwrite_dispatch::snapshot_most_recent): New.
2016-01-12 Torvald Riegel <[email protected]>
* libitm_i.h (gtm_mask_stack): Remove.
* beginend.cc (gtm_stmlock_array, gtm_clock): Likewise.
* stmlock.h: Remove file.
* config/alpha/cacheline.h: Likewise.
* config/generic/cacheline.h: Likewise.
* config/powerpc/cacheline.h: Likewise.
* config/sparc/cacheline.h: Likewise.
* config/x86/cacheline.h: Likewise.
2016-01-04 Jakub Jelinek <[email protected]>
Update copyright years.
* libitm.texi: Bump @copying's copyright year.
2015-11-26 Torvald Riegel <[email protected]>
* method-ml.cc (ml_mg): Use multiplicative instead of simple hashing.
(ml_wt_dispatch::pre_write): Adapt.
(ml_wt_dispatch::pre_load): Likewise.
2015-11-22 Torvald Riegel <[email protected]>
* libitm_i.h (gtm_alloc_action): Remove union.
* testsuite/libitm.c/alloc-1.c: New.
2015-11-19 Torvald Riegel <[email protected]>
* testsuite/libitm.c++/eh-5.C: New.
* libitm.h (_ITM_cxa_free_exception): New.
* libitm.map (_ITM_cxa_free_exception): Add it.
* libitm.texi: Update ABI docs.
* libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
(gtm_transaction_cp::cxa_uncaught_count): Add.
(gtm_thread::cxa_unthrown): Remove.
(gtm_thread::cxa_uncaught_count_ptr): Add.
(gtm_thread::cxa_uncaught_count): Add.
(gtm_thread::drop_references_allocations): Rename to...
(gtm_thread::discard_allocation): ... this and adapt.
(gtm_thread::init_cpp_exceptions): New.
* beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
(gtm_thread::begin_transaction): Likewise.
(gtm_transaction_cp::save): Likewise.
(gtm_thread::trycommit): Likewise.
* eh_cpp.cc: Add overview comments.
(__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
(free_any_exception, _ITM_cxa_free_exception): New.
(gtm_thread::init_cpp_exceptions): Define.
(_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
(_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
(gtm_thread::revert_cpp_exceptions): Likewise.
2015-11-09 Torvald Riegel <[email protected]>
* alloc_cpp.cc (_ZdlPvX, _ZdlPvXRKSt9nothrow_t, _ZGTtdlPvX,
_ZGTtdlPvXRKSt9nothrow_t, delsz_opnt): New.
* libitm.map: Add _ZGTtdlPvX and _ZGTtdlPvXRKSt9nothrow_t.
* libitm_i.h (gtm_alloc_action): Add free_fn_sz and sz. Add comments.
(gtm_thread::forget_allocations): New overload with size_t argument.
* alloc.c (gtm_thread::forget_allocation): Define new overload and
adapt existing one.
(gtm_thread::record_allocation): Adapt.
(gtm_thread::commit_allocations_1): Adapt.
(gtm_thread::commit_allocations_2): Adapt.
* testsuite/libitm.c++/newdelete.C: New.
2015-10-27 Daniel Jacobowitz <[email protected]>
Joseph Myers <[email protected]>
Mark Shinwell <[email protected]>
Andrew Stubbs <[email protected]>
Rich Felker <[email protected]>
* config/sh/sjlj.S (_ITM_beginTransaction): Bypass PLT calling
GTM_begin_transaction for compatibility with FDPIC.
2015-10-09 David Malcolm <[email protected]>
* testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
using load_gcc_lib.
2015-08-20 Gleb Fotengauer-Malinovskiy <[email protected]> (tiny change)
PR libitm/61164
* local_atomic (__always_inline): Rename to...
(__libitm_always_inline): ... this.
2015-07-03 Carlos Sánchez de La Lama <[email protected]>
PR target/52482
* config/powerpc/sjlj.S: Port to Xcode 2.5.
2015-05-27 Uros Bizjak <[email protected]>
* config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
operands "op" and "val" to int.
2015-05-27 Uros Bizjak <[email protected]>
* config/linux/sh/futex_bits.h (sys_futex0) Change operands
"op" and "val" to int.
2015-05-27 Uros Bizjak <[email protected]>
* config/linux/alpha/futex_bits.h (sys_futex0) Change operands
"op" and "val" to int.
2015-05-27 Uros Bizjak <[email protected]>
* config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
Declare as static int.
(FUTEX_PRIVATE_FLAG): Remove L suffix.
* config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.
2015-05-27 Uros Bizjak <[email protected]>
* config/linux/x86/futex_bits.h (sys_futex0) [__PIC__]: Remove
sys_futex0 function.
2015-05-13 Michael Haubenwallner <[email protected]>
* Makefile.in: Regenerated with automake-1.11.6.
* aclocal.m4: Likewise.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.
2015-04-22 Gregor Richards <[email protected]>
* config/arm/hwcap.cc: Use fcntl.h instead of sys/fcntl.h.
* config/linux/x86/tls.h: Only use __GLIBC_PREREQ if defined.
2015-01-15 H.J. Lu <[email protected]>
PR libitm/64360
* libitm.c/stackundo.c (test2): Make it static.
(test1): Likewise.
2015-01-05 Jakub Jelinek <[email protected]>
Update copyright years.
2015-01-05 Jakub Jelinek <[email protected]>
* libitm.texi: Bump @copying's copyright year.
2014-12-12 Kyrylo Tkachov <[email protected]>
* testsuite/lib/libitm.exp: Load target-utils.exp.
Move load of target-supports.exp earlier.
2014-12-03 Uros Bizjak <[email protected]>
* configure.tgt (x86_64): Tune -m32 multilib to generic.
2014-11-21 H.J. Lu <[email protected]>
PR bootstrap/63784
* configure: Regenerated.
2014-11-11 Francois-Xavier Coudert <[email protected]>
PR target/63610
* configure: Regenerate.
2014-10-06 Marek Polacek <[email protected]>
* testsuite/libitm.c/memcpy-1.c: Declare getpagesize.
* testsuite/libitm.c/memset-1.c: Likewise.
2014-07-24 Richard Henderson <[email protected]>
* config/aarch64/sjlj.S (_ITM_beginTransaction): Use post-inc
addressing mode in epilogue.
2014-05-28 Rainer Orth <[email protected]>
* acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): Check for
-mclear-hwcap instead.
* configure: Regenerate.
* clearcap.map: Remove.
2014-05-21 John Marino <[email protected]>
* configure.tgt (*-*-dragonfly*): New target.
2014-05-19 Richard Henderson <[email protected]>
* config/aarch64/sjlj.S: New file.
* config/aarch64/target.h: New file.
* configure.tgt: Enable aarch64.
2014-04-09 Rainer Orth <[email protected]>
* config/generic/asmcfi.h: Also check for
__GCC_HAVE_DWARF2_CFI_ASM.
2013-04-02 Richard Henderson <[email protected]>
* config/alpha/target.h (PAGE_SIZE, FIXED_PAGE_SIZE): Remove.
* config/arm/target.h, config/sh/target.h: Likewise.
* config/sparc/target.h, config/x86/target.h: Likewise.
2014-03-26 Jakub Jelinek <[email protected]>
* config/linux/futex_bits.h: Include errno.h.
(sys_futex0): If syscall returns -1, return -errno rather than
-1.
2014-03-26 Joseph Myers <[email protected]>
* libitm.texi (Index): Rename to Library Index.
2014-01-13 H.J. Lu <[email protected]>
PR libitm/53113
* Makefile.am (x86_sse.lo): Append -msse to CXXFLAGS.
(x86_avx.lo): Append -mavx to CXXFLAGS.
* Makefile.in: Regenerate.
2014-01-02 Richard Sandiford <[email protected]>
Update copyright years
2014-01-02 Tobias Burnus <[email protected]>
* libitm.texi: Bump @copying's copyright year.
2013-11-14 Ulrich Weigand <[email protected]>
* config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
(FUNC): Define ELFv2 variant.
(END): Likewise.
(HIDDEN): Likewise.
(CALL): Likewise.
(BASE): Likewise.
(LR_SAVE): Likewise.
2013-09-20 Alan Modra <[email protected]>
* configure: Regenerate.
2013-08-30 Torvald Riegel <[email protected]>
* config/posix/rwlock.cc: Fix initialization order.
2013-08-30 Torvald Riegel <[email protected]>
* libitm_i.h (gtm_thread): Assign an asm name to serial_lock.
(htm_fastpath): Assign an asm name.
* libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom
HTM fast paths.
(_ITM_actions): Likewise.
* config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on
x86_64.
* config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path.
* config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary
field to the start of the structure.
* config/linux/rwlock.h (gtm_rwlock): Update comments.
* beginend.cc (gtm_thread::begin_transaction): Add retry policy
handling for custom HTM fast paths.
2013-08-14 Andreas Krebbel <[email protected]>
Revert:
2013-08-02 Andreas Krebbel <[email protected]>
* configure.tgt: Add -msoft-float to XCFLAGS.
2013-08-02 Andreas Krebbel <[email protected]>
* configure.tgt: Add -msoft-float to XCFLAGS.
2013-07-29 Andreas Krebbel <[email protected]>
* config/s390/target.h (htm_begin, htm_commit, htm_abort)
(htm_transaction_active): Enable zEC12 instructions in the
assembler.
* configure.tgt: Remove -Wa,-march=zEC12 from XCFLAGS.
2013-07-17 Andreas Krebbel <[email protected]>
* acinclude.m4: Add htm asm check for s390.
* configure.tgt: Add -mhtm and -Wa,-march=zEC12 to the options.
* configure: Regenerate.
* config/s390/target.h: Remove __HTM__ check.
(htm_available): Call getauxval to get hwcaps and check whether
HTM is available or not.
2013-07-15 Peter Bergner <[email protected]>
* acinclude.m4 (LIBITM_CHECK_AS_HTM): New.
* configure.ac: Use it.
(AC_CHECK_HEADERS): Check for sys/auxv.h.
(AC_CHECK_FUNCS): Check for getauxval.
* config.h.in, configure: Rebuild.
* configure.tgt (target_cpu): Add -mhtm to XCFLAGS.
* config/powerpc/target.h: Include sys/auxv.h and htmintrin.h.
(USE_HTM_FASTPATH): Define.
(_TBEGIN_STARTED, _TBEGIN_INDETERMINATE, _TBEGIN_PERSISTENT,
_HTM_RETRIES) New macros.
(htm_abort, htm_abort_should_retry, htm_available, htm_begin, htm_init,
htm_begin_success, htm_commit, htm_transaction_active): New functions.
2013-06-27 Andreas Krebbel <[email protected]>
* config/s390/target.h: Include htmintrin.h.
(_HTM_ITM_RETRIES): New macro definition.
(htm_available, htm_init, htm_begin, htm_begin_success)
(htm_commit, htm_abort, htm_abort_should_retry): New functions.
2013-06-20 Iain Sandoe <[email protected]>
Cesar Philippidis <[email protected]>
* testsuite/lib/libitm.exp: Reorder lib loads into dependency order.
Do not load_gcc_lib gcc-dg.exp and add a comment as to why.
* testsuite/libitm.c/c.exp: load_gcc_lib gcc-dg.exp.
* testsuite/libitm.c++/c++.exp: load_gcc_lib gcc-dg.exp.
2013-06-20 Torvald Riegel <[email protected]>
* query.cc (_ITM_inTransaction): Abort when using the HTM fastpath.
(_ITM_getTransactionId): Same.
* config/x86/target.h (htm_transaction_active): New.
2013-06-20 Torvald Riegel <[email protected]>
PR libitm/57643
* beginend.cc (gtm_thread::begin_transaction): Handle reentrancy in
the HTM fastpath.
2013-03-31 Gerald Pfeifer <[email protected]>
PR bootstrap/56714
* local_atomic (__always_inline): Always define our version.
(__calculate_memory_order): Mark inline.
(atomic_thread_fence): Ditto.
(atomic_signal_fence): Ditto.
(atomic_bool::atomic_flag_test_and_set_explicit): Ditto.
(atomic_bool::atomic_flag_clear_explicit): Ditto.
(atomic_bool::atomic_flag_test_and_set): Ditto.
(atomic_bool::atomic_flag_clear): Ditto.
2013-04-23 Andreas Krebbel <[email protected]>
* config/s390/sjlj.S: New file.
* config/s390/target.h: New file.
* configure.tgt: Set options for S/390.
2013-03-23 Andi Kleen <[email protected]>
* local_atomic (__always_inline): Add.
(__calculate_memory_order, atomic_thread_fence,
atomic_signal_fence, test_and_set, clear, store, load,
exchange, compare_exchange_weak, compare_exchange_strong,
fetch_add, fetch_sub, fetch_and, fetch_or, fetch_xor):
Add __always_inline to force inlining.
2013-02-11 Iain Sandoe <[email protected]>
Jack Howarth <[email protected]>
Patrick Marlier <[email protected]>
PR libitm/55693
* alloc_cpp.cc: Enable function declarations on darwin.
* eh_cpp.cc: Likewise.
2013-02-03 Richard Sandiford <[email protected]>
Update copyright years.
2012-11-09 Torvald Riegel <[email protected]>
* beginend.cc (htm_fastpath): New.
(gtm_thread::begin_transaction, _ITM_commitTransaction,
_ITM_commitTransactionEH): Add HTM fastpath handling.
* config/linux/rwlock.h (gtm_rwlock.is_write_locked): New.
* config/posix/rwlock.h (gtm_rwlock.is_write_locked): New.
* config/x86/target.h (htm_available, htm_init, htm_begin_success,
htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New.
* configure.tgt: Add -mrtm to XCFLAGS.
* method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New.
(gtm_thread::serialirr_mode): Add HTM fastpath handling.
* libitm_i.h (htm_fastpath, dispatch_htm): Declare.
* retry.cc (parse_default_method): Add HTM method parsing.
(gtm_thread::number_of_threads_changed): Use HTM by default if
available.
2012-11-04 Thomas Schwinge <[email protected]>
* configure: Regenerate.
2012-10-31 Richard Henderson <[email protected]>
* acinclude.m4 (LIBITM_CHECK_AS_RTM): New.
* configure.ac: Use it.
* config.h.in, configure: Rebuild.
* testsuite/Makefile.in: Rebuild.
2012-10-24 Torvald Riegel <[email protected]>
* libitm.texi: Clarify ABI requirements for data-logging functions.
2012-10-24 Torvald Riegel <[email protected]>
* retry.cc (gtm_thread::decide_begin_dispatch): Ask dispatch whether
it requires serial mode instead of assuming that for certain
dispatchs.
* dispatch.h (abi_dispatch::requires_serial): New.
(abi_dispatch::abi_dispatch): Adapt.
* method-gl.cc (gl_wt_dispatch::gl_wt_dispatch): Adapt.
* method-ml.cc (ml_wt_dispatch::ml_wt_dispatch): Same.
* method-serial.cc (serialirr_dispatch::serialirr_dispatch,
serial_dispatch::serial_dispatch,
serialirr_onwrite_dispatch::serialirr_onwrite_dispatch): Same.
2012-10-02 Uros Bizjak <[email protected]>
* config/x86/target.h (struct gtm_jmpbuf): Merge x86_64
and ia32 declarations some more.
* config/x86/sjlj.S (_ITM_beginTransaction): Move ret to common code.
2012-09-20 Jakub Jelinek <[email protected]>
PR other/43620
* configure.ac (AM_INIT_AUTOMAKE): Add no-dist.
* configure: Regenerate.
* Makefile.in: Regenerate.
2012-09-14 David Edelsohn <[email protected]>
* configure: Regenerated.
2012-07-31 Uros Bizjak <[email protected]>
* config/x86/target.h (cpu_relax): Use __builtin_ia32_pause.
2012-05-21 Patrick Marlier <[email protected]>
* eh_cpp.cc: Fix __cxa_end_catch declaration.
2012-05-16 H.J. Lu <[email protected]>
* configure: Regenerated.
2012-04-04 H.J. Lu <[email protected]>
PR libitm/52854
* config/x86/target.h (gtm_jmpbuf): Replace long with long long
for x86-64.
2012-04-03 Tristan Gingold <[email protected]>
* configure: Regenerate.
2012-03-31 H.J. Lu <[email protected]>
PR bootstrap/52812
* configure.tgt (i[456]86-*-linux*): Handle -mx32 like -m64.
2012-03-16 Bernhard Reutner-Fischer <[email protected]>
* testsuite/lib/libitm.exp: load fortran-modules.exp
2012-03-14 Rainer Orth <[email protected]>
* configure.tgt (*-*-irix6*): Remove.
2012-03-13 Torvald Riegel <[email protected]>
PR libitm/52526
* config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
wake-up.
2012-03-12 Rainer Orth <[email protected]>
* configure.tgt (*-*-osf*): Remove.
* configure: Regenerate.
2012-03-05 Torvald Riegel <[email protected]>
* dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
memtransfer/memset if size isn't larger than zero.
2012-03-02 Torvald Riegel <[email protected]>
* libitm.texi: Link to specification and add a usage example.
2012-02-24 Torvald Riegel <[email protected]>
* retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
default dispatch for more than 1 thread to ml_wt.
2012-02-20 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline.
2012-02-20 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders.
2012-02-20 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::trycommit): Remove handling of
serial mode corner cases made obsolete by prior gtm_rwlock changes.
(gl_wt_dispatch.rollback): Same.
2012-02-20 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::pre_write): Optimize memory orders.
2012-02-20 Torvald Riegel <[email protected]>
* method-gl.cc (gl_wt_dispatch::memtransfer_static): Add missing undo
for RfW src. Optimize number of calls to gtm_thr.
2012-02-20 Torvald Riegel <[email protected]>
* beginend.cc (GTM::gtm_thread::begin_transaction): Move serial lock
acquisition to ...
* retry.cc (GTM::gtm_thread::decide_begin_dispatch): ... here.
(default_dispatch): Make atomic.
(GTM::gtm_thread::set_default_dispatch): Access atomically.
(GTM::gtm_thread::decide_retry_strategy): Access atomically and
use decide_begin_dispatch() if default_dispatch might have changed.
(GTM::gtm_thread::number_of_threads_changed): Initialize
default_dispatch here.
2012-02-15 Iain Sandoe <[email protected]>
Patrick Marlier <[email protected]>
PR libitm/52220
* alloc_cpp.cc: No dummy definitions for darwin.
* eh_cpp.cc: Likewise.
2012-02-14 Richard Henderson <[email protected]>
* config/x86/target.h (GTM_longjmp): Correct the .cfi corrections.
2012-02-14 Uros Bizjak <[email protected]>
* config/x86/target.h (GTM_longjmp): Correct .cfi directives.
2012-02-14 Torvald Riegel <[email protected]>
* libitm_i.h (GTM::gtm_rwlog_entry): New.
(GTM::gtm_thread): Add read and write logs.
(GTM::dispatch_ml_wt): Declare.
* retry.cc (parse_default_method): Support ml_wt.
* method-ml.cc: New file.
* Makefile.am: Add method-ml.cc.
* Makefile.in: Regenerate.
2012-02-14 Torvald Riegel <[email protected]>
* dispatch.h (GTM::abi_dispatch::supports): New.
(GTM::method_group::reinit): New.
* retry.cc (GTM::gtm_thread::decide_retry_strategy): Use reinit().
(GTM::gtm_thread::number_of_threads_changed): Check that the method
supports the current situation.
2012-02-14 Torvald Riegel <[email protected]>
* util.cc (GTM::xcalloc): New.
* common.h (GTM::xcalloc): Declare.
2012-02-14 Eric Botcazou <[email protected]>
* config/sparc/target.h (cpu_relax): Read from CC register.
* config/sparc/sjlj.S (GTM_longjmp): Restore %fp atomically.
2012-02-14 Uros Bizjak <[email protected]>
* config/x86/target.h (GTM_longjmp): Jump indirect from memory address.
2012-02-13 Eric Botcazou <[email protected]>
* configure.tgt (target_cpu): Handle sparc and sparc64/sparcv9.
* config/sparc/cacheline.h: New file.
* config/sparc/target.h: Likewise.
* config/sparc/sjlj.S: Likewise.
* config/linux/sparc/futex_bits.h: Likewise.
2012-02-13 Eric Botcazou <[email protected]>
* configure.ac (link_itm): Fix comment.
* configure: Regenerate.
* testsuite/lib/libitm.exp: Do not pass -litm for the link.
2012-01-31 Rainer Orth <[email protected]>
PR libitm/51822
* testsuite/libitm.c++/c++.exp (lang_link_flags): Add -shared-libgcc.
Correct libgomp references.
2012-01-24 Torvald Riegel <[email protected]>
* config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
wake-up.
2012-01-24 Uros Bizjak <[email protected]>
* config/x86/target.h (gtm_jmpbuf) [__x86_64__]: Move rip to the
end of structure.
* config/x86/sjlj.S (_ITM_beginTransaction) [__x86_64__]: Update
offset values. Do not copy return address. Decrement stack
by 56 bytes only.
(GTM_longjump) [__x86_64__]: Update offset values.
2012-01-23 Uros Bizjak <[email protected]>
PR libitm/51830
* config/x86/sjlj.S (_ITM_beginTransaction) [!__x86_64__]: Load
the first function argument to %eax.
2012-01-23 Rainer Orth <[email protected]>
* libitm.h (_ITM_getThreadnum): Remove.
* libitm.map (_ITM_getThreadnum): Remove from LIBITM_1.0.
2012-01-23 Rainer Orth <[email protected]>
* clearcap.map: New file.
* acinclude.m4 (LIBITM_CHECK_LINKER_HWCAP): New test.
* configure.ac: Call it.
Clear HWCAP_LDFLAGS if defaulting to -mavx.
* Makefile.am (AM_LDFLAGS): Add $(HWCAP_LDFLAGS)
* configure: Regenerate.
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2012-01-17 Rainer Orth <[email protected]>
PR libitm/51173
* testsuite/libitm.c++/static_ctor.C: Skip test, note PR, remove
include, exclude options.
2012-01-14 Torvald Riegel <[email protected]>
* local.cc (GTM::gtm_undolog::rollback): Truncate undo log after
rolling back.
* containers.h (GTM::vector::set_size): New.
2012-01-14 Torvald Riegel <[email protected]>
PR libitm/51855
* config/generic/tls.h (GTM::mask_stack_top): New.
(GTM::mask_stack_bottom): Declare.
* config/generic/tls.c (GTM::mask_stack_bottom): New.
* local.cc (gtm_undolog::rollback): Filter out any updates that
overlap the libitm stack. Add current transaction as parameter.
* libitm_i.h (GTM::gtm_undolog::rollback): Adapt.
* beginend.cc (GTM::gtm_thread::rollback): Adapt.
* testsuite/libitm.c/stackundo.c: New test.
2012-01-10 Richard Henderson <[email protected]>
* libitm_i.h (_Unwind_DeleteException): Declare weak.
* eh_cpp.cc (_Unwind_DeleteException): Define for
!HAVE_ELF_STYLE_WEAKREF.
2012-01-08 Torvald Riegel <[email protected]>
* local.cc (GTM_LB): Use GTM::gtm_undolog.
(GTM::gtm_thread::drop_references_undolog): Remove.
(GTM::gtm_thread::commit_undolog,
GTM::gtm_thread::rollback_undolog): Move to ...
* libitm_i.h (GTM::gtm_undolog): ...here. New.
(GTM::gtm_undolog_entry): Remove.
(GTM::gtm_thread): Adapt.
* beginend.cc (GTM::gtm_thread::rollback): Adapt.
(GTM::gtm_thread::trycommit): Adapt.
* method-serial.cc (serial_dispatch::log): Adapt.
* method-gl.cc (gl_wt_dispatch::pre_write): Adapt.
(gl_wt_dispatch::store): Fix likely/unlikely.
* containers.h (GTM::vector::resize): Add additional_capacity
parameter and handle it.
(GTM::vector::resize_noinline): New/adapt.
(GTM::vector::push): New.
2012-01-06 Richard Henderson <[email protected]>
* configure.tgt: Support powerpc-linux and powerpc-darwin.
* config/linux/powerpc/futex_bits.h: New file.
* config/powerpc/cacheline.h: New file.
* config/powerpc/sjlj.S: New file.
* config/powerpc/target.h: New file.
* config/generic/asmcfi.h (cfi_offset): New.
(cfi_restore, cfi_undefined): New.
2012-01-05 Aldy Hernandez <[email protected]>
PR other/51171
* testsuite/libitm.c/reentrant.c: Remove xfail.
(thread): Pass x to pure().
From Patrik Marlier <[email protected]>.
2011-12-24 Torvald Riegel <[email protected]>
* beginend.cc (GTM::gtm_thread::trycommit): Don't enforce
privatization safety if already in serial mode.
2011-12-24 Torvald Riegel <[email protected]>
* beginend.cc (GTM::gtm_thread::restart): Add and handle
finish_serial_upgrade parameter.
* libitm.h (GTM::gtm_thread::restart): Adapt declaration.
* config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic):
Don't unset reader flag.
(GTM::gtm_rwlock::write_upgrade_finish): New.
* config/posix/rwlock.cc: Same.
* config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish):
Declare.
* config/posix/rwlock.h: Same.
* method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader
flag after commit or after rollback when restarting.
2011-12-24 Torvald Riegel <[email protected]>
* beginend.cc (GTM::gtm_thread::begin_transaction): Add comment.
(GTM::gtm_thread::try_commit): Changed memory order.
* config/linux/alpha/futex_bits.h (sys_futex0): Take atomic int
as parameter.
* config/linux/x86/futex_bits.h (sys_futex0): Same.
* config/linux/sh/futex_bits.h (sys_futex0): Same.
* config/linux/futex_bits.h (sys_futex0): Same.
* config/linux/futex.cc (futex_wait, futex_wake): Same.
* config/linux/futex.h (futex_wait, futex_wake): Same.
* config/linux/rwlock.h (gtm_rwlock::writers,
gtm_rwlock::writer_readers, gtm_rwlock::readers): Change to atomic
ints.
* config/linux/rwlock.cc (gtm_rwlock::read_lock,
gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
gtm_rwlock::write_unlock): Fix memory orders and fences.
* config/posix/rwlock.cc (gtm_rwlock::read_lock,
gtm_rwlock::write_lock_generic, gtm_rwlock::read_unlock,
gtm_rwlock::write_unlock): Same.
* config/linux/rwlock.h (gtm_rwlock::summary): Change to atomic int.
* method-gl.cc (gl_mg::init, gl_wt_dispatch::memtransfer_static,
gl_wt_dispatch::memset_static, gl_wt_dispatch::begin_or_restart):
Add comments.
(gl_wt_dispatch::pre_write, gl_wt_dispatch::validate,
gl_wt_dispatch::load, gl_wt_dispatch::store,
gl_wt_dispatch::try_commit, gl_wt_dispatch::rollback): Fix memory
orders and fences. Add comments.
2011-12-21 Jakub Jelinek <[email protected]>
* Makefile.am (AM_CXXFLAGS): Put $(XCFLAGS) first.
* Makefile.in: Regenerated.
2011-12-17 Kaz Kojima <[email protected]>
* configure.tgt: Add sh* case.
* config/sh/target.h: New file.
* config/sh/sjlj.S: New file.
* config/linux/sh/futex_bits.h: New file.
2011-12-14 Richard Henderson <[email protected]>
* config/arm/hwcap.h, config/arm/hwcap.cc: New files.
* config/arm/sjlj.S, config/arm/target.h: New files.
* config/generic/asmcfi.h (cfi_adjust_cfa_offset): New.
(cfi_rel_offset): New.
* config/linux/futex_bits.h: New file.
* config/linux/futex.cc: Include futex_bits.h here...
* config/linux/futex.h: ... not here.
* Makefile.am (libitm_la_SOURCES) <ARCH_ARM>: Add hwcap.cc.
* configure.ac (ARCH_AM): New conditional.
* Makefile.in, configure: Rebuild.
* configure.tgt: Handle ARM.
2011-12-13 Richard Henderson <[email protected]>
* config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
signed/unsigned comparison werror.
* local_atomic: New file.
* libitm_i.h: Include it.
(gtm_thread::shared_state): Use atomic template.
* beginend.cc (GTM::gtm_clock): Use atomic template.
(global_tid): Use atomic template if 64-bit atomics available.
(gtm_thread::gtm_thread): Update shared_state access.
(gtm_thread::trycommit): Likewise.
(choose_code_path): Update global_tid access.
* method-gl.cc (gl_mg::orec): Use atomic template. Update all users.
* stmlock.h (GTM::gtm_clock): Use atomic template.
(gtm_get_clock, gtm_inc_clock): Update accesses.
* config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove
redundant __sync_synchronize after atomic shared_state access.
* config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise.
(gtm_rwlock::write_lock_generic): Likewise.
(gtm_rwlock::read_unlock): Likewise.
* config/alpha/target.h (atomic_read_barrier): Remove.
(atomic_write_barrier): Remove.
* config/x86/target.h (atomic_read_barrier): Remove.
(atomic_write_barrier): Remove.
2011-11-30 Richard Henderson <[email protected]>
* libitm_i.h (GTM_longjmp): Swap first and second arguments.
* beginend.c (_ITM_abortTransaction): Update to match.
(GTM::gtm_thread::restart): Likewise.
* config/alpha/sjlj.S (GTM_longjmp): Likewise.
* config/x86/sjlj.S (GTM_longjmp): Likewise.
2011-11-23 Iain Sandoe <[email protected]>
* Makefile.am (libitm_la_LDFLAGS): Remove "-no-undefined".
* Makefile.in: Regenerate.
2011-11-22 Iain Sandoe <[email protected]>
* configure.ac: Use GCC_CHECK_ELF_STYLE_WEAKREF.
* alloc_cpp.cc: Generate dummy functions if we don't
HAVE_ELF_STYLE_WEAKREF.
* eh_cpp.cc: Likewise.
* configure: Regenerate.
* aclocal.m4: Likewise.
* config.h.in: Likewise.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2011-11-22 Iain Sandoe <[email protected]>
* config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
__USER_LABEL_PREFIX__ for targets that use it.
(TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
(_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
in portability to non-elf targets.
(GTM_longjmp): Likewise.
* libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
where required.
2011-11-22 Iain Sandoe <[email protected]>
* testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
* testsuite/libitm.c/memset-1.c: Likewise.
2011-11-21 Andreas Tobler <[email protected]>
* configure: Regenerate.
2011-11-21 Rainer Orth <[email protected]>
* acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
(LIBITM_ENABLE_SYMVERS): Handle sun style.
* Makefile.am: Handle sun style versioning.
(libitm_la_LINK): Add $(libitm_la_LDFLAGS).
* configure: Regenerate.
* Makefile.in: Regenerate.
2011-11-18 Rainer Orth <[email protected]>
* config/generic/asmcfi.h: Fix comment.
* config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
sequence without .hidden support, error for non-ELF targets.
(GTM_longjmp) [__ELF__]: Only use .hidden if
HAVE_ATTRIBUTE_VISIBILITY.
2011-11-17 Rainer Orth <[email protected]>
* alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
_ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
Dummy functions.
* eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
__cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
2011-11-16 Uros Bizjak <[email protected]>
PR bootstrap/51098
* acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
* configure: Regenerate.
2011-11-14 H.J. Lu <[email protected]>
* testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
2011-11-10 Rainer Orth <[email protected]>
* config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
.hidden.
(.note.GNU-stack): Only use if __linux__.
* alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
* testsuite/libitm.c/notx.c: Use dg-options "-pthread".
* testsuite/libitm.c/reentrant.c: Likewise.
* testsuite/libitm.c/simple-2.c: Likewise.