Commit graph

2 commits

Author SHA1 Message Date
Vasily Khoruzhick
2756b62917 lima/gpir: add better lowering for ftrunc
GP doesn't support ftrunc natively and unfortunately one in generic
opt_algebraic is not GP-friendly either. Introduce our own lowering
that utilizes fsign() that GP supports:
ftrunc(a) = fmul(fsign(a), ffloor(fmax(a, -a)))

Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Andreas Baierl <ichgeh@imkreisrum.de>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4126>
2020-03-16 16:28:33 -07:00
Vasily Khoruzhick
5adfc8602c lima/ppir: move sin/cos input scaling into NIR
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
2019-08-06 17:49:22 +00:00