[patch] Do not generate useless branches for multi-word comparison

[Richard Henderson]

On 03/24/2011 07:38 AM, Eric Botcazou wrote:
> +  /* Deal with the special case 0 > x: only one comparison is necessary and
> +     we reverse it to avoid jumping to the drop-through label.  */
> +  if (op0 == const0_rtx && drop_through_if_true && !drop_through_if_false)
> +    {
> +      code = LE;
> +      if_true_label = if_false_label;
> +      if_false_label = drop_through_label;
> +      drop_through_if_false = true;
> +    }

Missing drop_through_if_true = false.

Otherwise ok.


r~