Hexagon V5 (floating point) support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonTargetMachine.cpp b/lib/Target/Hexagon/HexagonTargetMachine.cpp
index 41b8508..c0bab01 100644
--- a/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -55,7 +55,9 @@
                                            CodeModel::Model CM,
                                            CodeGenOpt::Level OL)
   : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
-    DataLayout("e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-a0:0") ,
+    DataLayout("e-p:32:32:32-"
+                "i64:64:64-i32:32:32-i16:16:16-i1:32:32-"
+                "f64:64:64-f32:32:32-a0:0-n32") ,
     Subtarget(TT, CPU, FS), InstrInfo(Subtarget), TLInfo(*this),
     TSInfo(*this),
     FrameLowering(Subtarget),