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Commit 5ff1e446 authored by Matt Turner's avatar Matt Turner
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i965/fs: Simplify interference scan in register coalescing.


We were starting at the beginning of the instruction list, rather than
with the MOV instruction itself. This allows us to coalesce after
control flow.

Excluding the shaders from an unreleased title, the shader-db results:

total instructions in shared programs: 1603791 -> 1594215 (-0.60%)
instructions in affected programs:     678772 -> 669196 (-1.41%)
GAINED:                                5
LOST:                                  0

Reviewed-by: Kenneth Graunke's avatarKenneth Graunke <kenneth@whitecape.org>
parent 04a4e43e
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