glsl: Optimize (v.x + v.y) + (v.z + v.w) into dot(v, 1.0).

Graphics / Mesa 3D Graphics Library / Mesa - Matt Turner [gmail.com] - 19 June 2014 18:11 UTC

Cuts five instructions out of SynMark's Gl32VSInstancing benchmark.

e974781 glsl: Optimize (v.x + v.y) + (v.z + v.w) into dot(v, 1.0).
src/glsl/opt_algebraic.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)

Upstream: cgit.freedesktop.org

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