// Branches can take an immediate operand. This is used by the branch
// selection pass to print $+8, an eight byte displacement from the PC.
if (MI->getOperand(OpNo).isImmediate()) {
- O << "$+" << MI->getOperand(OpNo).getImmedValue() << '\n';
+ O << "$+" << MI->getOperand(OpNo).getImmedValue();
} else {
printOp(MI->getOperand(OpNo),
TM.getInstrInfo()->isCall(MI->getOpcode()));
O << "-\"L0000" << LabelNumber << "$pb\")";
}
}
+ void printcrbit(const MachineInstr *MI, unsigned OpNo,
+ MVT::ValueType VT) {
+ unsigned char value = MI->getOperand(OpNo).getImmedValue();
+ assert(value <= 3 && "Invalid crbit argument!");
+ unsigned RegNo, CCReg = MI->getOperand(OpNo-1).getReg();
+ switch (CCReg) {
+ case PPC::CR0: RegNo = 0; break;
+ case PPC::CR1: RegNo = 1; break;
+ case PPC::CR2: RegNo = 2; break;
+ case PPC::CR3: RegNo = 3; break;
+ case PPC::CR4: RegNo = 4; break;
+ case PPC::CR5: RegNo = 5; break;
+ case PPC::CR6: RegNo = 6; break;
+ case PPC::CR7: RegNo = 7; break;
+ default:
+ std::cerr << "Unhandled reg in enumRegToRealReg!\n";
+ abort();
+ }
+ O << 4 * RegNo + value;
+ }
virtual void printConstantPool(MachineConstantPool *MCP) = 0;
virtual bool runOnMachineFunction(MachineFunction &F) = 0;
///
void PowerPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
++EmittedInsts;
+ // Check for slwi/srwi mnemonics.
+ if (MI->getOpcode() == PPC::RLWINM) {
+ bool FoundMnemonic = false;
+ unsigned char SH = MI->getOperand(2).getImmedValue();
+ unsigned char MB = MI->getOperand(3).getImmedValue();
+ unsigned char ME = MI->getOperand(4).getImmedValue();
+ if (SH <= 31 && MB == 0 && ME == (31-SH)) {
+ O << "slwi "; FoundMnemonic = true;
+ }
+ if (SH <= 31 && MB == (32-SH) && ME == 31) {
+ O << "srwi "; FoundMnemonic = true;
+ SH = 32-SH;
+ }
+ if (FoundMnemonic) {
+ printOperand(MI, 0, MVT::i64);
+ O << ", ";
+ printOperand(MI, 1, MVT::i64);
+ O << ", " << (unsigned int)SH << "\n";
+ return;
+ }
+ }
+
if (printInstruction(MI))
return; // Printer was automatically generated