Re: [Mesa-dev] [PATCH 1/7] i965: use real latencies in the pre-RA scheduler

2015-11-03 Thread Jason Ekstrand
On Fri, Oct 30, 2015 at 6:02 PM, Connor Abbott wrote: > Before, we simply assumed that reducing register pressure was the number > one priority in the pre-RA scheduler, and set the latency of every > instruction to 1 to get the scheduler to ignore it. But for the > aggressive scheduler, this doesn

[Mesa-dev] [PATCH 1/7] i965: use real latencies in the pre-RA scheduler

2015-10-30 Thread Connor Abbott
Before, we simply assumed that reducing register pressure was the number one priority in the pre-RA scheduler, and set the latency of every instruction to 1 to get the scheduler to ignore it. But for the aggressive scheduler, this doesn't make much sense. It can also allow the register allocator to