On 08/11/15 07:41, Richard Biener wrote: > The patch looks good. Note that with SSA name operands it can be > still profitable to do compare_range_with_value, esp. if the other > operand has a symbolical range. See > vrp_evaluate_conditional_warnv_with_ops_using_ranges which actually > implements a nice helper for evaluating comparisons for code-gen > transforms. Ok, like this? Thanks for your help! tested on x86_64-linux. nathan