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fix build failure for sh4a due to missing colon in asm statement

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Due to a missing ":" in an asm() statement, the "memory" clobber is
considered by gcc as an input operand and not a clobber, which causes a
build failure.
This commit is contained in:
Thomas Petazzoni 2017-07-28 23:05:54 +02:00 committed by Rich Felker
parent 80bf595255
commit 1698fe6cdc
1 changed files with 1 additions and 1 deletions
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arch/sh/atomic_arch.h
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@ -21,7 +21,7 @@ static inline int a_sc(volatile int *p, int v)
#define a_barrier a_barrier
static inline void a_barrier()
{
__asm__ __volatile__ ("synco" : : "memory");
__asm__ __volatile__ ("synco" ::: "memory");
}
#define a_pre_llsc a_barrier