s390: exploit high-word facility for Smi Ops

src/s390/disasm-s390.cc

Index: src/s390/disasm-s390.cc
diff --git a/src/s390/disasm-s390.cc b/src/s390/disasm-s390.cc
index f877f03dd8c739c7d1161054ac999934fdad8916..c6b16feadfee6c69cbf3e4fdcfaae811f500e39a 100644
--- a/src/s390/disasm-s390.cc
+++ b/src/s390/disasm-s390.cc
@@ -1070,6 +1070,9 @@ bool Decoder::DecodeSixByte(Instruction* instr) {
     case AFI:
       Format(instr, "afi\t'r1,'i7");
       break;
+    case AIH:
+      Format(instr, "aih\t'r1,'i7");
+      break;
     case ASI:
       Format(instr, "asi\t'd2('r3),'ic");
       break;
@@ -1091,6 +1094,12 @@ bool Decoder::DecodeSixByte(Instruction* instr) {
     case CLFI:
       Format(instr, "clfi\t'r1,'i7");
       break;
+    case CLIH:
+      Format(instr, "clih\t'r1,'i7");
+      break;
+    case CIH:
+      Format(instr, "cih\t'r1,'i2");
+      break;
     case CFI:
       Format(instr, "cfi\t'r1,'i2");
       break;