Add new itin classes for FP16 <-> FP32 conversions and make uise of them for A9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100647 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSchedule.td b/lib/Target/ARM/ARMSchedule.td
index db15a85..7a1c1e2 100644
--- a/lib/Target/ARM/ARMSchedule.td
+++ b/lib/Target/ARM/ARMSchedule.td
@@ -71,6 +71,8 @@
 def IIC_fpCMP64    : InstrItinClass;
 def IIC_fpCVTSD    : InstrItinClass;
 def IIC_fpCVTDS    : InstrItinClass;
+def IIC_fpCVTSH    : InstrItinClass;
+def IIC_fpCVTHS    : InstrItinClass;
 def IIC_fpCVTIS    : InstrItinClass;
 def IIC_fpCVTID    : InstrItinClass;
 def IIC_fpCVTSI    : InstrItinClass;