Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and...

[oota-llvm.git] / lib / Target / IA64 / IA64ISelLowering.cpp

diff --git a/lib/Target/IA64/IA64ISelLowering.cpp b/lib/Target/IA64/IA64ISelLowering.cpp
index ef772749ed3a6dba27bb4066c1daa102522764a5..e4d4867888e902b397d7c4004c25600a5aff9dd6 100644 (file)
--- a/lib/Target/IA64/IA64ISelLowering.cpp
+++ b/lib/Target/IA64/IA64ISelLowering.cpp
@@ -69,7 +69,8 @@ IA64TargetLowering::IA64TargetLowering(TargetMachine &TM)
       setOperationAction(ISD::MEMMOVE          , MVT::Other, Expand);
       setOperationAction(ISD::MEMSET           , MVT::Other, Expand);
       setOperationAction(ISD::MEMCPY           , MVT::Other, Expand);
-      
+      setOperationAction(ISD::MEMBARRIER       , MVT::Other, Expand);
+
       setOperationAction(ISD::SINT_TO_FP       , MVT::i1   , Promote);
       setOperationAction(ISD::UINT_TO_FP       , MVT::i1   , Promote);
 
@@ -109,6 +110,7 @@ IA64TargetLowering::IA64TargetLowering(TargetMachine &TM)
       setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
       setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
       setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
+      setOperationAction(ISD::PREFETCH          , MVT::Other, Expand);
 
       // Thread Local Storage
       setOperationAction(ISD::GlobalTLSAddress, MVT::i64, Custom);
@@ -120,11 +122,10 @@ IA64TargetLowering::IA64TargetLowering(TargetMachine &TM)
       
       computeRegisterProperties();
 
-      setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
       addLegalFPImmediate(APFloat(+0.0));
-      addLegalFPImmediate(APFloat(+0.0f));
+      addLegalFPImmediate(APFloat(-0.0));
       addLegalFPImmediate(APFloat(+1.0));
-      addLegalFPImmediate(APFloat(+1.0f));
+      addLegalFPImmediate(APFloat(-1.0));
 }
 
 const char *IA64TargetLowering::getTargetNodeName(unsigned Opcode) const {
@@ -299,8 +300,8 @@ IA64TargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
 }
 
 std::pair<SDOperand, SDOperand>
-IA64TargetLowering::LowerCallTo(SDOperand Chain,
-                                const Type *RetTy, bool RetTyIsSigned, 
+IA64TargetLowering::LowerCallTo(SDOperand Chain, const Type *RetTy,
+                                bool RetSExt, bool RetZExt,
                                 bool isVarArg, unsigned CallingConv, 
                                 bool isTailCall, SDOperand Callee, 
                                 ArgListTy &Args, SelectionDAG &DAG) {