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-rw-r--r--target/s390x/tcg/insn-data.def2
-rw-r--r--target/s390x/tcg/translate.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def
index 1c3e115712..4911952080 100644
--- a/target/s390x/tcg/insn-data.def
+++ b/target/s390x/tcg/insn-data.def
@@ -1317,7 +1317,7 @@
 /* SET ADDRESS SPACE CONTROL FAST */
     F(0xb279, SACF,    S,     Z,   0, a2, 0, 0, sacf, 0, IF_PRIV)
 /* SET CLOCK */
-    F(0xb204, SCK,     S,     Z,   la2, 0, 0, 0, sck, 0, IF_PRIV | IF_IO)
+    F(0xb204, SCK,     S,     Z,   0, m2_64a, 0, 0, sck, 0, IF_PRIV | IF_IO)
 /* SET CLOCK COMPARATOR */
     F(0xb206, SCKC,    S,     Z,   0, m2_64a, 0, 0, sckc, 0, IF_PRIV | IF_IO)
 /* SET CLOCK PROGRAMMABLE FIELD */
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 46dea73357..e21da539e5 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -4290,8 +4290,7 @@ static DisasJumpType op_stcke(DisasContext *s, DisasOps *o)
 #ifndef CONFIG_USER_ONLY
 static DisasJumpType op_sck(DisasContext *s, DisasOps *o)
 {
-    tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEUQ | MO_ALIGN);
-    gen_helper_sck(cc_op, cpu_env, o->in1);
+    gen_helper_sck(cc_op, cpu_env, o->in2);
     set_cc_static(s);
     return DISAS_NEXT;
 }