let Inst{31} = lk;
}
-class IForm_ext<bits<6> opcode, bits<5> bo, bit aa, bit lk, dag OOL, dag IOL,
- string asmstr, InstrItinClass itin, list<dag> pattern>
- : IForm<opcode, aa, lk, OOL, IOL, asmstr, itin, pattern> {
- let LI{0-4} = bo;
-}
-
// 1.7.2 B-Form
class BForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr>
: I<opcode, OOL, IOL, asmstr, BrB> {
let Inst{31} = lk;
}
+class BForm_1<bits<6> opcode, bits<5> bo, bit aa, bit lk, dag OOL, dag IOL,
+ string asmstr>
+ : BForm<opcode, aa, lk, OOL, IOL, asmstr> {
+ let BIBO{4-0} = bo;
+ let BIBO{6-5} = 0;
+ let CR = 0;
+}
+
+class BForm_2<bits<6> opcode, bits<5> bo, bits<5> bi, bit aa, bit lk,
+ dag OOL, dag IOL, string asmstr>
+ : I<opcode, OOL, IOL, asmstr, BrB> {
+ bits<14> BD;
+
+ let Inst{6-10} = bo;
+ let Inst{11-15} = bi;
+ let Inst{16-29} = BD;
+ let Inst{30} = aa;
+ let Inst{31} = lk;
+}
// 1.7.4 D-Form
class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
InstrItinClass itin>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<8> FXM;
- bits<5> ST;
+ bits<5> rS;
- let Inst{6-10} = ST;
+ let Inst{6-10} = rS;
let Inst{11} = 0;
let Inst{12-19} = FXM;
let Inst{20} = 0;
string cstr, InstrItinClass itin, list<dag>pattern>
: I<opcode, OOL, IOL, asmstr, itin> {
bits<8> FM;
- bits<5> RT;
+ bits<5> rT;
bit RC = 0; // set by isDOT
let Pattern = pattern;
let Inst{6} = 0;
let Inst{7-14} = FM;
let Inst{15} = 0;
- let Inst{16-20} = RT;
+ let Inst{16-20} = rT;
let Inst{21-30} = xo;
let Inst{31} = RC;
}