We cannot use the "z" constraint twice, since its a single register (r0). Change the one not used by movli.l/movco.l to "r".
Cc: Yoshinori Sato <[email protected]> Cc: Rich Felker <[email protected]> Reported-by: Fengguang Wu <[email protected]> Tested-by: Fengguang Wu <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> --- arch/sh/include/asm/atomic-llsc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -60,7 +60,7 @@ static inline int atomic_fetch_##op(int " movco.l %0, @%3 \n" \ " bf 1b \n" \ " synco \n" \ - : "=&z" (temp), "=&z" (res) \ + : "=&z" (temp), "=&r" (res) \ : "r" (i), "r" (&v->counter) \ : "t"); \ \
