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* glsl: Lower ir_binop_pow to a sequence of EXP2 and LOG2Ian Romanick2010-12-011-0/+26
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* glsl: Use M_LOG2E constant instead of calling log2Ian Romanick2010-12-011-3/+3
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* glsl: Combine many instruction lowering passes into one.Kenneth Graunke2010-11-191-0/+262
This should save on the overhead of tree-walking and provide a convenient place to add more instruction lowering in the future. Signed-off-by: Ian Romanick <[email protected]>