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tsan: slightly optimize mutex unlock 

llvm-svn: 162995
This commit is contained in:
Dmitry Vyukov 2012-08-31 13:42:28 +00:00
parent 6f6ba43271
commit bead8f1e3f
1 changed files with 2 additions and 2 deletions
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4
compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc
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@ -115,7 +115,7 @@ void MutexUnlock(ThreadState *thr, uptr pc, uptr addr) {
s->owner_tid = SyncVar::kInvalidTid;
thr->clock.set(thr->tid, thr->fast_state.epoch());
thr->fast_synch_epoch = thr->fast_state.epoch();
thr->clock.release(&s->clock);
thr->clock.ReleaseStore(&s->clock);
StatInc(thr, StatSyncRelease);
} else {
StatInc(thr, StatMutexRecUnlock);
@ -188,7 +188,7 @@ void MutexReadOrWriteUnlock(ThreadState *thr, uptr pc, uptr addr) {
TraceAddEvent(thr, thr->fast_state.epoch(), EventTypeUnlock, addr);
thr->clock.set(thr->tid, thr->fast_state.epoch());
thr->fast_synch_epoch = thr->fast_state.epoch();
thr->clock.release(&s->clock);
thr->clock.ReleaseStore(&s->clock);
StatInc(thr, StatSyncRelease);
} else {
StatInc(thr, StatMutexRecUnlock);