[PATCH 1/6] ARM: prefetch: remove redundant "cc" clobber
Will Deacon
will.deacon at arm.com
Tue Jul 23 07:36:24 EDT 2013
The pld instruction does not affect the condition flags, so don't bother
clobbering them.
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
arch/arm/include/asm/processor.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 06e7d50..91cfe08 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -101,9 +101,7 @@ static inline void prefetch(const void *ptr)
{
__asm__ __volatile__(
"pld\t%a0"
- :
- : "p" (ptr)
- : "cc");
+ :: "p" (ptr));
}
#define ARCH_HAS_PREFETCHW
--
1.8.2.2
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