[llvm-commits] [llvm] r55898 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Anton Korobeynikov]

Author: asl
Date: Mon Sep  8 09:21:10 2008
New Revision: 55898

URL: http://llvm.org/viewvc/llvm-project?rev=55898&view=rev
Log:
Implement FRAME_TO_ARGS_OFFSET for x86-64

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=55898&r1=55897&r2=55898&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Mon Sep  8 09:21:10 2008
@@ -258,8 +258,7 @@
   }
   // X86 ret instruction may pop stack.
   setOperationAction(ISD::RET             , MVT::Other, Custom);
-  if (!Subtarget->is64Bit())
-    setOperationAction(ISD::EH_RETURN       , MVT::Other, Custom);
+  setOperationAction(ISD::EH_RETURN       , MVT::Other, Custom);
 
   // Darwin ABI issue.
   setOperationAction(ISD::ConstantPool    , MVT::i32  , Custom);
@@ -325,7 +324,8 @@
     setExceptionSelectorRegister(X86::EDX);
   }
   setOperationAction(ISD::FRAME_TO_ARGS_OFFSET, MVT::i32, Custom);
-  
+  setOperationAction(ISD::FRAME_TO_ARGS_OFFSET, MVT::i64, Custom);
+
   setOperationAction(ISD::TRAMPOLINE, MVT::Other, Custom);
 
   setOperationAction(ISD::TRAP, MVT::Other, Legal);
@@ -5593,19 +5593,15 @@
   // Depths > 0 not supported yet!
   if (cast<ConstantSDNode>(Op.getOperand(0))->getValue() > 0)
     return SDValue();
-    
+
   SDValue RetAddrFI = getReturnAddressFrameIndex(DAG);
-  return DAG.getNode(ISD::SUB, getPointerTy(), RetAddrFI, 
+  return DAG.getNode(ISD::SUB, getPointerTy(), RetAddrFI,
                      DAG.getIntPtrConstant(!Subtarget->is64Bit() ? 4 : 8));
 }
 
 SDValue X86TargetLowering::LowerFRAME_TO_ARGS_OFFSET(SDValue Op,
-                                                       SelectionDAG &DAG) {
-  // Is not yet supported on x86-64
-  if (Subtarget->is64Bit())
-    return SDValue();
-  
-  return DAG.getIntPtrConstant(8);
+                                                     SelectionDAG &DAG) {
+  return DAG.getIntPtrConstant(Subtarget->is64Bit() ? 16 : 8);
 }
 
 SDValue X86TargetLowering::LowerEH_RETURN(SDValue Op, SelectionDAG &DAG)