- : InstHexagon<outs, ins, asmstr, pattern, "", ST> {
+ : InstHexagon<outs, ins, asmstr, pattern, "", ST, TypeST> {
+ bits<5> rd;
+ bits<5> rs;
+ bits<13> imm13;
+}
+
+class STInst2<dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstHexagon<outs, ins, asmstr, pattern, "", ST, TypeST> {
+ bits<5> rd;
+ bits<5> rs;
+ bits<13> imm13;
+ let mayStore = 1;
+}
+
+// SYSTEM Instruction Class in V4 can take SLOT0 only
+// In V2/V3 we used ST for this but in v4 ST can take SLOT0 or SLOT1.
+class SYSInst<dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstHexagon<outs, ins, asmstr, pattern, "", SYS, TypeSYSTEM> {