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authorEric Anholt <[email protected]>2010-08-09 21:22:17 -0700
committerEric Anholt <[email protected]>2010-08-09 21:41:14 -0700
commit5854d4583c6e8885185e12a0636f77489a62e24c (patch)
tree38a132c8c1d5a1f09fc4733da1584fe5dbdd47a3 /src/glsl/main.cpp
parent8bebbeb7c5b26ec9166a4644a2c051238d18509b (diff)
glsl2: Add a pass to transform ir_binop_sub to add(op0, neg(op1))
All the current HW backends transform subtract to adding the negation, so I haven't bothered peepholing it back out in Mesa IR. This allows some subtract of subtract to get removed in ir_algebraic.
Diffstat (limited to 'src/glsl/main.cpp')
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