* expmed.c (const_mult_add_overflow_p): Remove.

	* expr.h: Remove the prototype for const_mult_add_overflow_p.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110334 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 38 deletions

diff --git a/gcc/expmed.c b/gcc/expmed.c
index c4797b86f8a..1ad0949fc60 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -5025,44 +5025,6 @@ make_tree (tree type, rtx x)
     }
 }
 
-/* Check whether the multiplication X * MULT + ADD overflows.
-   X, MULT and ADD must be CONST_*.
-   MODE is the machine mode for the computation.
-   X and MULT must have mode MODE.  ADD may have a different mode.
-   So can X (defaults to same as MODE).
-   UNSIGNEDP is nonzero to do unsigned multiplication.  */
-
-bool
-const_mult_add_overflow_p (rtx x, rtx mult, rtx add,
-			   enum machine_mode mode, int unsignedp)
-{
-  tree type, mult_type, add_type, result;
-
-  type = lang_hooks.types.type_for_mode (mode, unsignedp);
-
-  /* In order to get a proper overflow indication from an unsigned
-     type, we have to pretend that it's a sizetype.  */
-  mult_type = type;
-  if (unsignedp)
-    {
-      /* FIXME:It would be nice if we could step directly from this
-	 type to its sizetype equivalent.  */
-      mult_type = build_distinct_type_copy (type);
-      TYPE_IS_SIZETYPE (mult_type) = 1;
-    }
-
-  add_type = (GET_MODE (add) == VOIDmode ? mult_type
-	      : lang_hooks.types.type_for_mode (GET_MODE (add), unsignedp));
-
-  result = fold_build2 (PLUS_EXPR, mult_type,
-			fold_build2 (MULT_EXPR, mult_type,
-				     make_tree (mult_type, x),
-				     make_tree (mult_type, mult)),
-			make_tree (add_type, add));
-
-  return TREE_CONSTANT_OVERFLOW (result);
-}
-
 /* Return an rtx representing the value of X * MULT + ADD.
    TARGET is a suggestion for where to store the result (an rtx).
    MODE is the machine mode for the computation.