s390x/tcg: Implement ADD HALFWORD (AGH)

Easy, just like ADD HALFWORD IMMEDIATE (AGHI).

Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200928122717.30586-3-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index e14cbd63fa0a3a5776adae3865c3229f2caf3626..dbcdb4c387fa856a8de3f21551e56c26221c895b 100644 (file)
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -52,6 +52,7 @@
 /* ADD HALFWORD */
     C(0x4a00, AH,      RX_a,  Z,   r1, m2_16s, new, r1_32, add, adds32)
     C(0xe37a, AHY,     RXY_a, LD,  r1, m2_16s, new, r1_32, add, adds32)
+    C(0xe338, AGH,     RXY_a, MIE2,r1, m2_16s, r1, 0, add, adds64)
 /* ADD HALFWORD IMMEDIATE */
     C(0xa70a, AHI,     RI_a,  Z,   r1, i2, new, r1_32, add, adds32)
     C(0xa70b, AGHI,    RI_a,  Z,   r1, i2, r1, 0, add, adds64)

diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 90dc1740e7abc314186d43495ca17c4028000126..7ea666b9a7fb0932fa18fc61ff1029afcf888e62 100644 (file)
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -6119,6 +6119,7 @@ enum DisasInsnEnum {
 #define FAC_AIS         S390_FEAT_ADAPTER_INT_SUPPRESSION
 #define FAC_V           S390_FEAT_VECTOR /* vector facility */
 #define FAC_VE          S390_FEAT_VECTOR_ENH /* vector enhancements facility 1 */
+#define FAC_MIE2        S390_FEAT_MISC_INSTRUCTION_EXT2 /* miscellaneous-instruction-extensions facility 2 */
 
 static const DisasInsn insn_info[] = {
 #include "insn-data.def"