void emitMiscInstruction(const MachineInstr &MI);
- void emitNEON1RegModImm(const MachineInstr &MI);
+ void emitNEON1RegModImmInstruction(const MachineInstr &MI);
+ void emitNEON2RegInstruction(const MachineInstr &MI);
/// getMachineOpValue - Return binary encoding of operand. If the machine
/// operand requires relocation, record the relocation and return zero.
break;
// NEON instructions.
case ARMII::N1RegModImmFrm:
- emitNEON1RegModImm(MI);
+ emitNEON1RegModImmInstruction(MI);
+ break;
+ case ARMII::N2RegFrm:
+ emitNEON2RegInstruction(MI);
break;
}
MCE.processDebugLoc(MI.getDebugLoc(), false);
return Binary;
}
-void ARMCodeEmitter::emitNEON1RegModImm(const MachineInstr &MI) {
+static unsigned encodeNEONRm(const MachineInstr &MI, unsigned OpIdx) {
+ unsigned RegM = MI.getOperand(OpIdx).getReg();
+ unsigned Binary = 0;
+ RegM = ARMRegisterInfo::getRegisterNumbering(RegM);
+ Binary |= (RegM & 0xf);
+ Binary |= ((RegM >> 4) & 1) << ARMII::M_BitShift;
+ return Binary;
+}
+
+void ARMCodeEmitter::emitNEON1RegModImmInstruction(const MachineInstr &MI) {
unsigned Binary = getBinaryCodeForInstr(MI);
// Destination register is encoded in Dd.
Binary |= encodeNEONRd(MI, 0);
emitWordLE(Binary);
}
+void ARMCodeEmitter::emitNEON2RegInstruction(const MachineInstr &MI) {
+ unsigned Binary = getBinaryCodeForInstr(MI);
+ // Destination register is encoded in Dd.
+ Binary |= encodeNEONRd(MI, 0);
+ Binary |= encodeNEONRm(MI, 1);
+ // FIXME: This does not handle VDUPfdf or VDUPfqf.
+ emitWordLE(Binary);
+}
+
#include "ARMGenCodeEmitter.inc"