[PATCH] D15667: [MachineScheduler] Handle regmasks and allow calls to be rescheduled.
Hal Finkel via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 3 05:08:07 PST 2016
hfinkel added a comment.
In http://reviews.llvm.org/D15667#342810, @jonpa wrote:
> I noticed the comment phrasing including "currently" about the scheduler not handling calls, so I thought there might be some general interest.
> For SystemZ this may be of interest also post-ra for the purpose of decoding, but that is just experimentation so far.
> More scheduling freedom pre-ra would also be possible, and perhaps this would be good in some cases.
> Otherwise, I am not really sure at the moment how needed this is.
I believe there is general interest. I'm interested, however, in specifically what motivated you to look at this. Can you explain how decoding is relevant here?
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