+/* Fold a call to fabs, fabsf or fabsl. */
+
+static tree
+fold_builtin_fabs (tree arglist, tree type)
+{
+ tree arg;
+
+ if (!validate_arglist (arglist, REAL_TYPE, VOID_TYPE))
+ return 0;
+
+ arg = TREE_VALUE (arglist);
+ if (TREE_CODE (arg) == REAL_CST)
+ return fold_abs_const (arg, type);
+ return fold (build1 (ABS_EXPR, type, arg));
+}
+
+/* Fold a call to abs, labs, llabs or imaxabs. */
+
+static tree
+fold_builtin_abs (tree arglist, tree type)
+{
+ tree arg;
+
+ if (!validate_arglist (arglist, INTEGER_TYPE, VOID_TYPE))
+ return 0;
+
+ arg = TREE_VALUE (arglist);
+ if (TREE_CODE (arg) == INTEGER_CST)
+ return fold_abs_const (arg, type);
+ return fold (build1 (ABS_EXPR, type, arg));
+}
+