bswap implementation
llvm-svn: 25312
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index d93ec3a..a749380 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -109,6 +109,7 @@
setOperationAction(ISD::READCYCLECOUNTER , MVT::i64 , Custom);
if (!X86DAGIsel) {
+ setOperationAction(ISD::BSWAP , MVT::i32 , Expand);
setOperationAction(ISD::ROTL , MVT::i8 , Expand);
setOperationAction(ISD::ROTR , MVT::i8 , Expand);
setOperationAction(ISD::ROTL , MVT::i16 , Expand);
@@ -116,6 +117,7 @@
setOperationAction(ISD::ROTL , MVT::i32 , Expand);
setOperationAction(ISD::ROTR , MVT::i32 , Expand);
}
+ setOperationAction(ISD::BSWAP , MVT::i16 , Expand);
setOperationAction(ISD::READIO , MVT::i1 , Expand);
setOperationAction(ISD::READIO , MVT::i8 , Expand);