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authorEric Anholt <[email protected]>2010-11-19 10:36:06 +0800
committerEric Anholt <[email protected]>2010-11-19 19:09:31 -0800
commit19631fab35ca4d5ca64d606922f3f20774b27645 (patch)
tree27a248c09a675598f67f377bd03c7dc93197c9ec /src/mesa/program
parent02939d643f878ce3a3dcd2e7b2c6f035c64ecda7 (diff)
i965: Recognize saturates and turn them into a saturated mov.
On pre-gen6, this turns 4 instructions into 1. We could still do better by folding the saturate into the instruction generating the value if nobody else uses it, but that should be a separate pass.
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