nir: common lowering for isign
I noticed panfrost's lowering of isign in their driver and wanted to pull it out to v3d. It looks like other drivers wanted it, too.
(pinging @alyssa who doesn't have a label in gitlab yet)
I noticed panfrost's lowering of isign in their driver and wanted to pull it out to v3d. It looks like other drivers wanted it, too.
(pinging @alyssa who doesn't have a label in gitlab yet)