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-rw-r--r--target/s390x/translate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 0bd2073718..4f6f1e31cd 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -3874,7 +3874,7 @@ static DisasJumpType op_rosbg(DisasContext *s, DisasOps *o)
/* Operate. */
switch (s->fields.op2) {
- case 0x55: /* AND */
+ case 0x54: /* AND */
tcg_gen_ori_i64(o->in2, o->in2, ~mask);
tcg_gen_and_i64(o->out, o->out, o->in2);
break;