//
//===----------------------------------------------------------------------===//
+class InstV8<dag ops, string asmstr, list<dag> pattern> : Instruction {
+ field bits<32> Inst;
+
+ let Namespace = "V8";
+
+ bits<2> op;
+ let Inst{31-30} = op; // Top two bits are the 'op' field
+
+ dag OperandList = ops;
+ let AsmString = asmstr;
+ let Pattern = pattern;
+}
+
//===----------------------------------------------------------------------===//
// Format #2 instruction classes in the SparcV8
//===----------------------------------------------------------------------===//
-class F2 : InstV8 { // Format 2 instructions
+// Format 2 instructions
+class F2<dag ops, string asmstr, list<dag> pattern>
+ : InstV8<ops, asmstr, pattern> {
bits<3> op2;
bits<22> imm22;
let op = 0; // op = 0
// Specific F2 classes: SparcV8 manual, page 44
//
-class F2_1<bits<3> op2Val, string name> : F2 {
+class F2_1<bits<3> op2Val, dag ops, string asmstr, list<dag> pattern>
+ : F2<ops, asmstr, pattern> {
bits<5> rd;
let op2 = op2Val;
- let Name = name;
let Inst{29-25} = rd;
}
-class F2_2<bits<4> condVal, bits<3> op2Val, string name> : F2 {
+class F2_2<bits<4> condVal, bits<3> op2Val, dag ops, string asmstr,
+ list<dag> pattern> : F2<ops, asmstr, pattern> {
bits<4> cond;
bit annul = 0; // currently unused
let cond = condVal;
let op2 = op2Val;
- let Name = name;
let Inst{29} = annul;
let Inst{28-25} = cond;
// Format #3 instruction classes in the SparcV8
//===----------------------------------------------------------------------===//
-class F3 : InstV8 {
+class F3<dag ops, string asmstr, list<dag> pattern>
+ : InstV8<ops, asmstr, pattern> {
bits<5> rd;
bits<6> op3;
bits<5> rs1;
// Specific F3 classes: SparcV8 manual, page 44
//
-class F3_1<bits<2> opVal, bits<6> op3val, dag ops, string name> : F3 {
+class F3_1<bits<2> opVal, bits<6> op3val, dag ops,
+ string asmstr, list<dag> pattern> : F3<ops, asmstr, pattern> {
bits<8> asi = 0; // asi not currently used in SparcV8
bits<5> rs2;
- dag OperandList = ops;
-
let op = opVal;
let op3 = op3val;
- let Name = name;
let Inst{13} = 0; // i field = 0
let Inst{12-5} = asi; // address space identifier
let Inst{4-0} = rs2;
}
-class F3_2<bits<2> opVal, bits<6> op3val, dag ops, string name> : F3 {
+class F3_2<bits<2> opVal, bits<6> op3val, dag ops,
+ string asmstr, list<dag> pattern> : F3<ops, asmstr, pattern> {
bits<13> simm13;
- dag OperandList = ops;
-
let op = opVal;
let op3 = op3val;
- let Name = name;
let Inst{13} = 1; // i field = 1
let Inst{12-0} = simm13;
}
// floating-point
-class F3_3<bits<2> opVal, bits<6> op3val, bits<9> opfval, string name> : F3 {
+class F3_3<bits<2> opVal, bits<6> op3val, bits<9> opfval, dag ops,
+ string asmstr, list<dag> pattern> : F3<ops, asmstr, pattern> {
bits<5> rs2;
let op = opVal;
let op3 = op3val;
- let Name = name;
let Inst{13-5} = opfval; // fp opcode
let Inst{4-0} = rs2;