[Bug 85505] i965/fs: Better heuristics on when to drop from SIMD16 to SIMD8, on register spilling

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85505

--- Comment #3 from Petri Latvala <petri.latvala at intel.com> ---
More anecdotal evidence: SynMark2, test OglShMapVsm: SIMD8 shader is 2% faster.
The SIMD16 shader also does a lot more spilling.

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