}
// Mips Pseudo Instructions Format
-class MipsPseudo<dag outs, dag ins, string asmstr, list<dag> pattern>:
- MipsInst<outs, ins, asmstr, pattern, IIPseudo, Pseudo> {
+class MipsPseudo<dag outs, dag ins, list<dag> pattern,
+ InstrItinClass itin = IIPseudo> :
+ MipsInst<outs, ins, "", pattern, itin, Pseudo> {
let isCodeGenOnly = 1;
let isPseudo = 1;
}
// Mips32/64 Pseudo Instruction Format
-class PseudoSE<dag outs, dag ins, string asmstr, list<dag> pattern>:
- MipsPseudo<outs, ins, asmstr, pattern> {
+class PseudoSE<dag outs, dag ins, list<dag> pattern,
+ InstrItinClass itin = IIPseudo>:
+ MipsPseudo<outs, ins, pattern, itin> {
let Predicates = [HasStdEnc];
}
// Format J instruction class in Mips : <|opcode|address|>
//===----------------------------------------------------------------------===//
-class FJ<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
- InstrItinClass itin>: InstSE<outs, ins, asmstr, pattern, itin, FrmJ>
+class FJ<bits<6> op>
{
- bits<26> addr;
+ bits<26> target;
- let Opcode = op;
+ bits<32> Inst;
- let Inst{25-0} = addr;
+ let Inst{31-26} = op;
+ let Inst{25-0} = target;
}
- //===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
// MFC instruction class in Mips : <|op|mf|rt|rd|0000000|sel|>
//===----------------------------------------------------------------------===//
-class MFC3OP<bits<6> op, bits<5> _mfmt, dag outs, dag ins, string asmstr>:
- InstSE<outs, ins, asmstr, [], NoItinerary, FrmFR>
+class MFC3OP_FM<bits<6> op, bits<5> mfmt>
{
- bits<5> mfmt;
bits<5> rt;
bits<5> rd;
bits<3> sel;
- let Opcode = op;
- let mfmt = _mfmt;
+ bits<32> Inst;
+ let Inst{31-26} = op;
let Inst{25-21} = mfmt;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{5-0} = funct;
}
+class BEQ_FM<bits<6> op> {
+ bits<5> rs;
+ bits<5> rt;
+ bits<16> offset;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = op;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-0} = offset;
+}
+
+class BGEZ_FM<bits<6> op, bits<5> funct> {
+ bits<5> rs;
+ bits<16> offset;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = op;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = funct;
+ let Inst{15-0} = offset;
+}
+
+class B_FM {
+ bits<16> offset;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 4;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = 0;
+ let Inst{15-0} = offset;
+}
+
+class SLTI_FM<bits<6> op> {
+ bits<5> rt;
+ bits<5> rs;
+ bits<16> imm16;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = op;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-0} = imm16;
+}
+
+class MFLO_FM<bits<6> funct> {
+ bits<5> rd;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{25-16} = 0;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class MTLO_FM<bits<6> funct> {
+ bits<5> rs;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{25-21} = rs;
+ let Inst{20-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class SEB_FM<bits<5> funct, bits<6> funct2> {
+ bits<5> rd;
+ bits<5> rt;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1f;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = funct;
+ let Inst{5-0} = funct2;
+}
+
+class CLO_FM<bits<6> funct> {
+ bits<5> rd;
+ bits<5> rs;
+ bits<5> rt;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1c;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = funct;
+ let rt = rd;
+}
+
+class LUI_FM {
+ bits<5> rt;
+ bits<16> imm16;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0xf;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = rt;
+ let Inst{15-0} = imm16;
+}
+
+class JALR_FM {
+ bits<5> rd;
+ bits<5> rs;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = 0;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = 9;
+}
+
+class BAL_FM {
+ bits<16> offset;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 1;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = 0x11;
+ let Inst{15-0} = offset;
+}
+
+class BGEZAL_FM<bits<5> funct> {
+ bits<5> rs;
+ bits<16> offset;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 1;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = funct;
+ let Inst{15-0} = offset;
+}
+
+class SYNC_FM {
+ bits<5> stype;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{10-6} = stype;
+ let Inst{5-0} = 0xf;
+}
+
+class MULT_FM<bits<6> op, bits<6> funct> {
+ bits<5> rs;
+ bits<5> rt;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = op;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class EXT_FM<bits<6> funct> {
+ bits<5> rt;
+ bits<5> rs;
+ bits<5> pos;
+ bits<5> size;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1f;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = size;
+ let Inst{10-6} = pos;
+ let Inst{5-0} = funct;
+}
+
+class RDHWR_FM {
+ bits<5> rt;
+ bits<5> rd;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1f;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = 0x3b;
+}
+
//===----------------------------------------------------------------------===//
//
// FLOATING POINT INSTRUCTION FORMATS