fold-const.c (rtl_expr_nonnegative_p): Delete.

2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (rtl_expr_nonnegative_p): Delete.
        * tree.h (rtl_expr_nonnegative_p): Remove.

From-SVN: r86381

gcc/ChangeLog

+2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* fold-const.c (rtl_expr_nonnegative_p): Delete.
+	* tree.h (rtl_expr_nonnegative_p): Remove.
+
 2004-08-22  Steven Bosscher  <stevenb@suse.de>
 
 	* config/i386/ppro.md (ppro_complex_insn): Add missing check

gcc/fold-const.c

@@ -9700,50 +9700,6 @@ tree_expr_nonzero_p (tree t)
   return false;
 }
 
-/* Return true if `r' is known to be non-negative.
-   Only handles constants at the moment.  */
-
-int
-rtl_expr_nonnegative_p (rtx r)
-{
-  switch (GET_CODE (r))
-    {
-    case CONST_INT:
-      return INTVAL (r) >= 0;
-
-    case CONST_DOUBLE:
-      if (GET_MODE (r) == VOIDmode)
-	return CONST_DOUBLE_HIGH (r) >= 0;
-      return 0;
-
-    case CONST_VECTOR:
-      {
-	int units, i;
-	rtx elt;
-
-	units = CONST_VECTOR_NUNITS (r);
-
-	for (i = 0; i < units; ++i)
-	  {
-	    elt = CONST_VECTOR_ELT (r, i);
-	    if (!rtl_expr_nonnegative_p (elt))
-	      return 0;
-	  }
-
-	return 1;
-      }
-
-    case SYMBOL_REF:
-    case LABEL_REF:
-      /* These are always nonnegative.  */
-      return 1;
-
-    default:
-      return 0;
-    }
-}
-
-
 /* See if we are applying CODE, a relational to the highest or lowest
    possible integer of TYPE.  If so, then the result is a compile
    time constant.  */

gcc/tree.h

@@ -2798,7 +2798,6 @@ extern HOST_WIDE_INT tree_low_cst (tree, int);
 extern int tree_int_cst_msb (tree);
 extern int tree_int_cst_sgn (tree);
 extern int tree_expr_nonnegative_p (tree);
-extern int rtl_expr_nonnegative_p (rtx);
 extern tree get_inner_array_type (tree);
 
 /* From expmed.c.  Since rtl.h is included after tree.h, we can't