diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 267be34f4a..d8d5db92a0 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) { - // 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())); + 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; } SDValue X86TargetLowering::LowerFRAME_TO_ARGS_OFFSET(SDValue Op, |