i965/fs: Optimize float conversions of byte/word extract.
instructions in affected programs: 31535 -> 29966 (-4.98%) helped: 23 cycles in affected programs: 272648 -> 266022 (-2.43%) helped: 14 HURT: 1 The patch decreases the number of instructions in the two Unigine programs by: #1721: 4374 -> 4155 instructions (-5.01%) #1706: 3582 -> 3363 instructions (-6.11%) Reviewed-by:Kenneth Graunke <kenneth@whitecape.org> Reviewed-by:
Iago Toral Quiroga <itoral@igalia.com>
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