Disqualifying instructions for branch delay slot scheduling

[Eric Botcazou]

> Can anybody quickly summarize how one would go about disqualifying
> certain specific instructions for branch delay slot scheduling?  Any
> guidance at all would be greatly appreciated.

You can define a new attribute in the .md file with define_attr, defaulting 
to 'false', and set it to 'true' for the problematic instructions.  Then 
test it in the DELAY-N attribute tests of the define_delay patterns.

-- 
Eric Botcazou