string opc, string asm, list<dag> pattern>
: I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
opc, asm, "", pattern> {
+ bits<4> Rt;
+ bits<4> Rn;
let Inst{27-23} = 0b00011;
let Inst{22-21} = opcod;
let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rt;
let Inst{11-0} = 0b111110011111;
}
class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
: I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
opc, asm, "", pattern> {
+ bits<4> Rd;
+ bits<4> Rt;
+ bits<4> Rn;
let Inst{27-23} = 0b00011;
let Inst{22-21} = opcod;
let Inst{20} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
let Inst{11-4} = 0b11111001;
+ let Inst{3-0} = Rt;
}
// addrmode1 instructions