diff options
Diffstat (limited to 'lib/Target/X86')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 14 | ||||
-rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 1 |
2 files changed, 7 insertions, 8 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 1ef644d54d..8e8a51a920 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -5645,13 +5645,13 @@ SDValue X86TargetLowering::LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) { } SDValue X86TargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) { - unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue(); - unsigned FrameReg = Subtarget->is64Bit() ? X86::RBP : X86::EBP; - SDValue FrameAddr = DAG.getRegister(FrameReg, getPointerTy()); - while (Depth--) - FrameAddr = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), FrameAddr, - NULL, 0); - return FrameAddr; + // Depths > 0 not supported yet! + if (cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() > 0) + return SDValue(); + + SDValue RetAddrFI = getReturnAddressFrameIndex(DAG); + return DAG.getNode(ISD::SUB, getPointerTy(), RetAddrFI, + DAG.getIntPtrConstant(TD->getPointerSize())); } SDValue X86TargetLowering::LowerFRAME_TO_ARGS_OFFSET(SDValue Op, diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index d618ffdeb7..49766a8fc7 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -299,7 +299,6 @@ bool X86RegisterInfo::hasFP(const MachineFunction &MF) const { return (NoFramePointerElim || needsStackRealignment(MF) || MFI->hasVarSizedObjects() || - MFI->isFrameAddressTaken() || MF.getInfo<X86MachineFunctionInfo>()->getForceFramePointer() || (MMI && MMI->callsUnwindInit())); } |