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authorRob Clark <[email protected]>2015-04-08 11:04:37 -0400
committerRob Clark <[email protected]>2015-04-11 11:40:15 -0400
commit49be76166b0b3c93bd2287fabc31d76d143d314c (patch)
tree3d03c23057ce84e32ac79b67e5d8731b60d7e1e6 /src/gallium/tests/graw/tri-gs.c
parent4cf4006674bd7c507688316e2033d77066c45c90 (diff)
freedreno/ir3/sched: avoid getting stuck on addr conflicts
When we get in a scenario where we cannot schedule any more instructions due to address register conflict, clone the instruction that writes the address register, and switch the remaining unscheduled users for the current address register over to the new clone. This is simpler and more robust than the previous attempt (which tried and sometimes failed to ensure all other dependencies of users of the address register were scheduled first).. hint it would try to schedule instructions that were not actually needed for any output value. We probably need to do the same with predicate register, although so far it isn't so heavily used so we aren't running into problems with it (yet). Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium/tests/graw/tri-gs.c')
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