Add an intrinsic and codegen support for fused multiply-accumulate. The intent
is to use this for architectures that have a native FMA instruction.

llvm-svn: 134742
diff --git a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
index f9b5041..81d664f 100644
--- a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -221,6 +221,9 @@
   setOperationAction(ISD::FSQRT, MVT::f64, Expand);
   setOperationAction(ISD::FSQRT, MVT::f32, Expand);
 
+  setOperationAction(ISD::FMA, MVT::f64, Expand);
+  setOperationAction(ISD::FMA, MVT::f32, Expand);
+
   setOperationAction(ISD::FCOPYSIGN, MVT::f64, Expand);
   setOperationAction(ISD::FCOPYSIGN, MVT::f32, Expand);