+
+ // In V4, we have double word add/sub with carry. The problem with
+ // modelling this instruction is that it produces 2 results - Rdd and Px.
+ // To model update of Px, we will have to use Defs[p0..p3] which will
+ // cause any predicate live range to spill. So, we pretend we dont't
+ // have these instructions.
+ setOperationAction(ISD::ADDE, MVT::i8, Expand);
+ setOperationAction(ISD::ADDE, MVT::i16, Expand);
+ setOperationAction(ISD::ADDE, MVT::i32, Expand);
+ setOperationAction(ISD::ADDE, MVT::i64, Expand);
+ setOperationAction(ISD::SUBE, MVT::i8, Expand);
+ setOperationAction(ISD::SUBE, MVT::i16, Expand);
+ setOperationAction(ISD::SUBE, MVT::i32, Expand);
+ setOperationAction(ISD::SUBE, MVT::i64, Expand);
+ setOperationAction(ISD::ADDC, MVT::i8, Expand);
+ setOperationAction(ISD::ADDC, MVT::i16, Expand);
+ setOperationAction(ISD::ADDC, MVT::i32, Expand);
+ setOperationAction(ISD::ADDC, MVT::i64, Expand);
+ setOperationAction(ISD::SUBC, MVT::i8, Expand);
+ setOperationAction(ISD::SUBC, MVT::i16, Expand);
+ setOperationAction(ISD::SUBC, MVT::i32, Expand);
+ setOperationAction(ISD::SUBC, MVT::i64, Expand);
+