+static void printIntelMemReference(X86AsmPrinter &P, const MachineInstr *MI,
+ unsigned Op, raw_ostream &O,
+ const char *Modifier = NULL,
+ unsigned AsmVariant = 1) {
+ const MachineOperand &BaseReg = MI->getOperand(Op);
+ unsigned ScaleVal = MI->getOperand(Op+1).getImm();
+ const MachineOperand &IndexReg = MI->getOperand(Op+2);
+ const MachineOperand &DispSpec = MI->getOperand(Op+3);
+ const MachineOperand &SegReg = MI->getOperand(Op+4);
+
+ // If this has a segment register, print it.
+ if (SegReg.getReg()) {
+ printOperand(P, MI, Op+4, O, Modifier, AsmVariant);
+ O << ':';
+ }
+
+ O << '[';
+
+ bool NeedPlus = false;
+ if (BaseReg.getReg()) {
+ printOperand(P, MI, Op, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ if (IndexReg.getReg()) {
+ if (NeedPlus) O << " + ";
+ if (ScaleVal != 1)
+ O << ScaleVal << '*';
+ printOperand(P, MI, Op+2, O, Modifier, AsmVariant);
+ NeedPlus = true;
+ }
+
+ if (!DispSpec.isImm()) {
+ if (NeedPlus) O << " + ";
+ printOperand(P, MI, Op+3, O, Modifier, AsmVariant);
+ } else {
+ int64_t DispVal = DispSpec.getImm();
+ if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg())) {
+ if (NeedPlus) {
+ if (DispVal > 0)
+ O << " + ";
+ else {
+ O << " - ";
+ DispVal = -DispVal;
+ }
+ }
+ O << DispVal;
+ }
+ }
+ O << ']';