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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206298 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195697 138bc75d-0d04-0410-961f-82ee72b054a4
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PR libitm/52526
* config/linux/rwlock.cc (GTM::gtm_rwlock::read_lock): Fix lost
wake-up.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185358 138bc75d-0d04-0410-961f-82ee72b054a4
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libitm/
* config/linux/rwlock.cc (GTM::gtm_rwlock::write_unlock): Fix reader
wake-up.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183488 138bc75d-0d04-0410-961f-82ee72b054a4
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libitm/
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182675 138bc75d-0d04-0410-961f-82ee72b054a4
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libitm/
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182674 138bc75d-0d04-0410-961f-82ee72b054a4
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* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182294 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181154 138bc75d-0d04-0410-961f-82ee72b054a4
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