Messages in this thread Patch in this message | | | Date | Mon, 05 Sep 2016 14:36:38 +0200 | From | Peter Zijlstra <> | Subject | [PATCH -v3 02/10] sh/atomic: Fix ATOMIC_FETCH_OP() |
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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 <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- 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"); \ \
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