Wrong code: missing input reload

[Eric Botcazou]

> Don't see a strict-low-part here.  Why do you believe that this
> should have an input reload?

This is AVR so QImode is the word mode and the strict-low-part is implicit.

> Perhaps the original subreg shouldn't have been there?

Yes, I'd think that everything in the RTL middle-end expects word-mode subregs 
of double-word-mode hard regs to be simplifiable.

-- 
Eric Botcazou