subject:"\[Mesa\-dev\] \[PATCH 2\/2\] i965\/fs\: Consider type mismatches in saturate propagation."

Re: [Mesa-dev] [PATCH 2/2] i965/fs: Consider type mismatches in saturate propagation.

2015-10-15 Thread Jason Ekstrand

On Wed, Oct 14, 2015 at 11:30 AM, Matt Turner wrote: > NIR considers bcsel to produce and consume unsigned types, leading to > SEL instructions operating on unsigned types when the data is really > floating-point. Previous to this patch, saturate propagation would > happily

[Mesa-dev] [PATCH 2/2] i965/fs: Consider type mismatches in saturate propagation.

2015-10-14 Thread Matt Turner

NIR considers bcsel to produce and consume unsigned types, leading to SEL instructions operating on unsigned types when the data is really floating-point. Previous to this patch, saturate propagation would happily transform (+f0) sel g20:UD, g30:UD, g40:UD mov.sat g50:F, g20:F