2012-03-07 Richard Guenther <rguenther@suse.de>

	* convert.c (strip_float_extensions): Move ...
	* tree.c (strip_float_extensions): ... here.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185046 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 46 deletions

diff --git a/gcc/convert.c b/gcc/convert.c
index dbe2c7eb32e..dc9b7f29ea4 100644
--- a/gcc/convert.c
+++ b/gcc/convert.c
@@ -90,52 +90,6 @@ convert_to_pointer (tree type, tree expr)
     }
 }
 
-/* Avoid any floating point extensions from EXP.  */
-tree
-strip_float_extensions (tree exp)
-{
-  tree sub, expt, subt;
-
-  /*  For floating point constant look up the narrowest type that can hold
-      it properly and handle it like (type)(narrowest_type)constant.
-      This way we can optimize for instance a=a*2.0 where "a" is float
-      but 2.0 is double constant.  */
-  if (TREE_CODE (exp) == REAL_CST && !DECIMAL_FLOAT_TYPE_P (TREE_TYPE (exp)))
-    {
-      REAL_VALUE_TYPE orig;
-      tree type = NULL;
-
-      orig = TREE_REAL_CST (exp);
-      if (TYPE_PRECISION (TREE_TYPE (exp)) > TYPE_PRECISION (float_type_node)
-	  && exact_real_truncate (TYPE_MODE (float_type_node), &orig))
-	type = float_type_node;
-      else if (TYPE_PRECISION (TREE_TYPE (exp))
-	       > TYPE_PRECISION (double_type_node)
-	       && exact_real_truncate (TYPE_MODE (double_type_node), &orig))
-	type = double_type_node;
-      if (type)
-	return build_real (type, real_value_truncate (TYPE_MODE (type), orig));
-    }
-
-  if (!CONVERT_EXPR_P (exp))
-    return exp;
-
-  sub = TREE_OPERAND (exp, 0);
-  subt = TREE_TYPE (sub);
-  expt = TREE_TYPE (exp);
-
-  if (!FLOAT_TYPE_P (subt))
-    return exp;
-
-  if (DECIMAL_FLOAT_TYPE_P (expt) != DECIMAL_FLOAT_TYPE_P (subt))
-    return exp;
-
-  if (TYPE_PRECISION (subt) > TYPE_PRECISION (expt))
-    return exp;
-
-  return strip_float_extensions (sub);
-}
-
 
 /* Convert EXPR to some floating-point type TYPE.