* tree.h (DECIMAL_FLOAT_TYPE_P): New.

[pf3gnuchains/gcc-fork.git] / gcc / convert.c

diff --git a/gcc/convert.c b/gcc/convert.c
index 9797704..ab780d8 100644 (file)
--- a/gcc/convert.c
+++ b/gcc/convert.c
@@ -315,8 +315,12 @@ convert_to_real (tree type, tree expr)
   switch (TREE_CODE (TREE_TYPE (expr)))
     {
     case REAL_TYPE:
-      return build1 (flag_float_store ? CONVERT_EXPR : NOP_EXPR,
-                    type, expr);
+      /* Ignore the conversion if we don't need to store intermediate
+        results and neither type is a decimal float.  */
+      return build1 ((flag_float_store
+                    || DECIMAL_FLOAT_TYPE_P (type)
+                    || DECIMAL_FLOAT_TYPE_P (itype))
+                    ? CONVERT_EXPR : NOP_EXPR, type, expr);
 
     case INTEGER_TYPE:
     case ENUMERAL_TYPE: