aco: minor fneg fixes and packed optimizations
I just wanted to improve codegen for scalar fneg with packed instructions but the old code had quite a few subtle bugs. No shader stat changes because these are edge cases.
Edited by Georg Lehmann
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
GitLab will be down for maintenance Monday June 03, from approx 10am UTC for roughly 48 hours. This is for a major gitlab upgrade which requires a DB migration. See the tracker issue for more informations.
I just wanted to improve codegen for scalar fneg with packed instructions but the old code had quite a few subtle bugs. No shader stat changes because these are edge cases.