+class XLForm_4<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<3> BF;
+ bit W;
+ bits<4> U;
+
+ bit RC = 0;
+
+ let Inst{6-8} = BF;
+ let Inst{9-10} = 0;
+ let Inst{11-14} = 0;
+ let Inst{15} = W;
+ let Inst{16-19} = U;
+ let Inst{20} = 0;
+ let Inst{21-30} = xo;
+ let Inst{31} = RC;
+}
+
+class XLForm_S<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OOL, IOL, asmstr, itin> {
+ bits<1> S;
+
+ let Pattern = pattern;
+
+ let Inst{6-19} = 0;
+ let Inst{20} = S;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XLForm_2_and_DSForm_1<bits<6> opcode1, bits<10> xo1, bit lk,
+ bits<6> opcode2, bits<2> xo2,
+ dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
+ bits<5> BO;
+ bits<5> BI;
+ bits<2> BH;
+
+ bits<5> RST;
+ bits<19> DS_RA;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = BO;
+ let Inst{11-15} = BI;
+ let Inst{16-18} = 0;
+ let Inst{19-20} = BH;
+ let Inst{21-30} = xo1;
+ let Inst{31} = lk;
+
+ let Inst{38-42} = RST;
+ let Inst{43-47} = DS_RA{18-14}; // Register #
+ let Inst{48-61} = DS_RA{13-0}; // Displacement.
+ let Inst{62-63} = xo2;
+}
+
+class XLForm_2_ext_and_DSForm_1<bits<6> opcode1, bits<10> xo1,
+ bits<5> bo, bits<5> bi, bit lk,
+ bits<6> opcode2, bits<2> xo2,
+ dag OOL, dag IOL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XLForm_2_and_DSForm_1<opcode1, xo1, lk, opcode2, xo2,
+ OOL, IOL, asmstr, itin, pattern> {
+ let BO = bo;
+ let BI = bi;
+ let BH = 0;
+}
+