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vc4: Add separate write-after-read dependency tracking for pairing.
author
Eric Anholt
<eric@anholt.net>
Tue, 2 Dec 2014 23:42:58 +0000
(15:42 -0800)
committer
Eric Anholt
<eric@anholt.net>
Fri, 5 Dec 2014 18:53:53 +0000
(10:53 -0800)
If an operation is the last one to read a register, the instruction
containing it can also include the op that has the next write to that
register.
total instructions in shared programs: 57486 -> 56995 (-0.85%)
instructions in affected programs: 43004 -> 42513 (-1.14%)
No differences found