MipsTargetLowering(MipsTargetMachine &TM)
: TargetLowering(TM, new MipsTargetObjectFile()),
Subtarget(&TM.getSubtarget<MipsSubtarget>()),
- HasMips64(Subtarget->hasMips64()) {
+ HasMips64(Subtarget->hasMips64()), IsN64(Subtarget->isABI_N64()) {
// Mips does not have i1 type, so use i32 for
// setcc operations results (slt, sgt, ...).
// Mips Custom Operations
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
+ setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setOperationAction(ISD::BlockAddress, MVT::i32, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
setOperationAction(ISD::JumpTable, MVT::i32, Custom);
SelectionDAG &DAG) const {
// FIXME there isn't actually debug info here
DebugLoc dl = Op.getDebugLoc();
- const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
- if (getTargetMachine().getRelocationModel() != Reloc::PIC_) {
+ if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
SDVTList VTs = DAG.getVTList(MVT::i32);
MipsTargetObjectFile &TLOF = (MipsTargetObjectFile&)getObjFileLowering();
return DAG.getNode(ISD::ADD, dl, MVT::i32, HiPart, Lo);
}
- SDValue GA = DAG.getTargetGlobalAddress(GV, dl, MVT::i32, 0,
- MipsII::MO_GOT);
- GA = DAG.getNode(MipsISD::WrapperPIC, dl, MVT::i32, GA);
- SDValue ResNode = DAG.getLoad(MVT::i32, dl,
+ EVT ValTy = Op.getValueType();
+ bool HasGotOfst = (GV->hasInternalLinkage() ||
+ (GV->hasLocalLinkage() && !isa<Function>(GV)));
+ unsigned GotFlag = IsN64 ?
+ (HasGotOfst ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT_DISP) :
+ MipsII::MO_GOT;
+ SDValue GA = DAG.getTargetGlobalAddress(GV, dl, ValTy, 0, GotFlag);
+ GA = DAG.getNode(MipsISD::WrapperPIC, dl, ValTy, GA);
+ SDValue ResNode = DAG.getLoad(ValTy, dl,
DAG.getEntryNode(), GA, MachinePointerInfo(),
false, false, 0);
// On functions and global targets not internal linked only
// a load from got/GP is necessary for PIC to work.
- if (!GV->hasInternalLinkage() &&
- (!GV->hasLocalLinkage() || isa<Function>(GV)))
+ if (!HasGotOfst)
return ResNode;
- SDValue GALo = DAG.getTargetGlobalAddress(GV, dl, MVT::i32, 0,
- MipsII::MO_ABS_LO);
- SDValue Lo = DAG.getNode(MipsISD::Lo, dl, MVT::i32, GALo);
- return DAG.getNode(ISD::ADD, dl, MVT::i32, ResNode, Lo);
+ SDValue GALo = DAG.getTargetGlobalAddress(GV, dl, ValTy, 0,
+ IsN64 ? MipsII::MO_GOT_OFST :
+ MipsII::MO_ABS_LO);
+ SDValue Lo = DAG.getNode(MipsISD::Lo, dl, ValTy, GALo);
+ return DAG.getNode(ISD::ADD, dl, ValTy, ResNode, Lo);
}
SDValue MipsTargetLowering::LowerBlockAddress(SDValue Op,