unsigned InReg = MI->getOperand(1).getReg();
return addFrameReference(BuildMI(PPC::STW,
3).addReg(InReg), FrameIndex);
- } else {
+ } else { // move -> load
unsigned OutReg = MI->getOperand(0).getReg();
return addFrameReference(BuildMI(PPC::LWZ, 2, OutReg), FrameIndex);
}
} else if (Opc == PPC::FMR) {
- // FIXME: We would be able to fold this, but we don't know whether to use a
- // 32- or 64-bit load/store :(.
+ // We currently always spill FP values as doubles. :(
+ if (OpNum == 0) { // move -> store
+ unsigned InReg = MI->getOperand(1).getReg();
+ return addFrameReference(BuildMI(PPC::STFD,
+ 3).addReg(InReg), FrameIndex);
+ } else { // move -> load
+ unsigned OutReg = MI->getOperand(0).getReg();
+ return addFrameReference(BuildMI(PPC::LFD, 2, OutReg), FrameIndex);
+ }
}
return 0;
}