Re: Cache reals for 1/4, 1/6 and 1/9

[Bernd Schmidt]

On 10/05/2015 04:47 PM, Richard Sandiford wrote:
@@ -9536,7 +9520,7 @@ fold_builtin_classify (location_t loc, tree fndecl, tree 
arg, int builtin_index)
        {
          r = TREE_REAL_CST (arg);
          if (real_isinf (&r))
-           return real_compare (GT_EXPR, &r, &dconst0)
+           return real_compare (GT_EXPR, &r, &dconst<0> ())
                   ? integer_one_node : integer_minus_one_node;
          else
            return integer_zero_node;

So... are the templates magic enough not to make us create a new 
temporary every time this is used?


Bernd