+ unsigned Opcode;
+ bool isSExt = LD->getExtensionType() == ISD::SEXTLOAD;
+ if (LD->getValueType(0) != MVT::i64) {
+ // Handle PPC32 integer and normal FP loads.
+ assert((!isSExt || LoadedVT == MVT::i16) && "Invalid sext update load");
+ switch (LoadedVT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("Invalid PPC load type!");
+ case MVT::f64: Opcode = PPC::LFDUX; break;
+ case MVT::f32: Opcode = PPC::LFSUX; break;
+ case MVT::i32: Opcode = PPC::LWZUX; break;
+ case MVT::i16: Opcode = isSExt ? PPC::LHAUX : PPC::LHZUX; break;
+ case MVT::i1:
+ case MVT::i8: Opcode = PPC::LBZUX; break;
+ }
+ } else {
+ assert(LD->getValueType(0) == MVT::i64 && "Unknown load result type!");
+ assert((!isSExt || LoadedVT == MVT::i16 || LoadedVT == MVT::i32) &&
+ "Invalid sext update load");
+ switch (LoadedVT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("Invalid PPC load type!");
+ case MVT::i64: Opcode = PPC::LDUX; break;
+ case MVT::i32: Opcode = isSExt ? PPC::LWAUX : PPC::LWZUX8; break;
+ case MVT::i16: Opcode = isSExt ? PPC::LHAUX8 : PPC::LHZUX8; break;
+ case MVT::i1:
+ case MVT::i8: Opcode = PPC::LBZUX8; break;
+ }
+ }
+
+ SDValue Chain = LD->getChain();
+ SDValue Base = LD->getBasePtr();
+ SDValue Ops[] = { Offset, Base, Chain };
+ return CurDAG->getMachineNode(Opcode, dl, LD->getValueType(0),
+ PPCLowering.getPointerTy(),
+ MVT::Other, Ops, 3);