Use 64bit store instruction in atomic_fcmpset_64.

Reported by: br
2017-02-06 14:00:28 +00:00 · 2017-02-06 14:00:28 +00:00 · 7b51060dc5
commit 7b51060dc5
parent 93a6462937
1 changed files with 1 additions and 1 deletions
--- a/sys/mips/include/atomic.h
+++ b/sys/mips/include/atomic.h
@ -529,7 +529,7 @@ atomic_fcmpset_64(__volatile uint64_t *p, uint64_t *cmpval, uint64_t newval)
                "beqz	%0, 1b\n\t"		/* if it failed, spin */
                "j	3f\n\t"
                "2:\n\t"
-                "sw	%0, %2\n\t"		/* save old value */
+                "sd	%0, %2\n\t"		/* save old value */
                "li	%0, 0\n\t"
                "3:\n"
                : "=&r" (ret), "+m" (*p), "=m" (*cmpval)