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-rw-r--r--target-i386/ops_sse.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 77ab410b9e..a0bac07ba3 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -2050,7 +2050,7 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg *d, Reg *s,
res ^= (2 << upper) - 1;
break;
case 3:
- res ^= (2 << valids) - 1;
+ res ^= (1 << (valids + 1)) - 1;
break;
}