//===----------------------------------------------------------------------===//
//
-// FLOAT POINT INSTRUCTION FORMATS
+// FLOATING POINT INSTRUCTION FORMATS
//
// opcode - operation code.
// fs - src reg.
//===----------------------------------------------------------------------===//
class FFR<bits<6> op, bits<6> _funct, bits<5> _fmt, dag outs, dag ins,
- string asmstr, list<dag> pattern, InstrItinClass itin> :
- MipsInst<outs, ins, asmstr, pattern, itin>
+ string asmstr, list<dag> pattern> :
+ MipsInst<outs, ins, asmstr, pattern, NoItinerary>
{
bits<5> fd;
bits<5> fs;
}
//===----------------------------------------------------------------------===//
-// Format FI instruction class in Mips : <|opcode|fmt|ft|immediate|>
+// Format FI instruction class in Mips : <|opcode|base|ft|immediate|>
//===----------------------------------------------------------------------===//
-class FFI<bits<6> op, bits<5> _fmt, dag outs, dag ins, string asmstr,
- list<dag> pattern, InstrItinClass itin>:
- MipsInst<outs, ins, asmstr, pattern, itin>
+class FFI<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern>:
+ MipsInst<outs, ins, asmstr, pattern, NoItinerary>
{
bits<5> ft;
- bits<5> fmt;
+ bits<5> base;
bits<16> imm16;
let opcode = op;
+
+ let Inst{25-21} = base;
+ let Inst{20-16} = ft;
+ let Inst{15-0} = imm16;
+}
+
+//===----------------------------------------------------------------------===//
+// Compare instruction class in Mips : <|010001|fmt|ft|fs|0000011|condcode|>
+//===----------------------------------------------------------------------===//
+
+class FCC<bits<5> _fmt, dag outs, dag ins, string asmstr, list<dag> pattern> :
+ MipsInst<outs, ins, asmstr, pattern, NoItinerary>
+{
+ bits<5> fs;
+ bits<5> ft;
+ bits<4> cc;
+ bits<5> fmt;
+
+ let opcode = 0x11;
let fmt = _fmt;
let Inst{25-21} = fmt;
let Inst{20-16} = ft;
- let Inst{15-0} = imm16;
+ let Inst{15-11} = fs;
+ let Inst{10-6} = 0;
+ let Inst{5-4} = 0b11;
+ let Inst{3-0} = cc;
}