On 10/22/15 04:07, Richard Biener wrote:
On Thu, Oct 22, 2015 at 10:04 AM, Jakub Jelinek <ja...@redhat.com> wrote:
Do you have to scan the whole bb? E.g. don't or should not those unique IFNs force end of bb?Yeah, please make them either end or start a BB so we have to check at most a single stmt. ECF_RETURNS_TWICE should achieve that, it also makes it a code motion barrier.
Thanks, I'd not thought of doing it like that. Will try. nathan
