Re: [Mesa-dev] [PATCH] radv: enable lowering of fpow to fexp2 and flog2

2018-02-21 Thread Bas Nieuwenhuizen
Reviewed-by: Bas Nieuwenhuizen On Fri, Feb 2, 2018 at 7:04 PM, Samuel Pitoiset wrote: > There is no fpow in hardware, so it's always lowered somewhere, > but it appears that lowering at NIR level is better. Figured while > comparing compute shaders between RadeonSI and RADV. > > Polaris10: > To

[Mesa-dev] [PATCH] radv: enable lowering of fpow to fexp2 and flog2

2018-02-02 Thread Samuel Pitoiset
There is no fpow in hardware, so it's always lowered somewhere, but it appears that lowering at NIR level is better. Figured while comparing compute shaders between RadeonSI and RADV. Polaris10: Totals from affected shaders: SGPRS: 18936 -> 18904 (-0.17 %) VGPRS: 12240 -> 12220 (-0.16 %) Spilled S