[Power9]Legalize and emit code for round & convert quad-precision values

Legalize and emit code for round & convert float128 to double precision and
single precision.

Differential Revision: https://reviews.llvm.org/D46997

llvm-svn: 336299

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 548876008d0..0fbfa81d828 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -808,6 +808,10 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
         setOperationAction(ISD::FP_EXTEND, MVT::f128, Legal);
         setLoadExtAction(ISD::EXTLOAD, MVT::f128, MVT::f64, Expand);
         setOperationAction(ISD::FMA, MVT::f128, Legal);
+        setOperationAction(ISD::FP_ROUND, MVT::f64, Legal);
+        setOperationAction(ISD::FP_ROUND, MVT::f32, Legal);
+        setTruncStoreAction(MVT::f128, MVT::f64, Expand);
+        setTruncStoreAction(MVT::f128, MVT::f32, Expand);
       }
 
     }