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authorMatt Turner <[email protected]>2016-02-11 12:27:02 -0800
committerMatt Turner <[email protected]>2016-02-17 12:35:27 -0800
commit2f2c00c7279e7c43e520e21de1781f8cec263e92 (patch)
treed2a1d95b593bce622ba2a2f8c9c6d57196fa120e /src/Makefile.am
parent378d98f87e8048664309a66cb93ecf582e40d837 (diff)
i965: Lower min/max after optimization on Gen4/5.
Gen4/5's SEL instruction cannot use conditional modifiers, so min/max are implemented as CMP + SEL. Handling that after optimization lets us CSE more. On Ironlake: total instructions in shared programs: 6426035 -> 6422753 (-0.05%) instructions in affected programs: 326604 -> 323322 (-1.00%) helped: 1411 total cycles in shared programs: 129184700 -> 129101586 (-0.06%) cycles in affected programs: 18950290 -> 18867176 (-0.44%) helped: 2419 HURT: 328 Reviewed-by: Francisco Jerez <[email protected]>
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