Question about merging two instructions.

Leehod Baruch LEEHOD@il.ibm.com
Mon Aug 22 13:33:00 GMT 2005


> > 1. Can you please give me an example of something bad that can happen 
to 
> > the LHS.  Maybe I'm missing something here.
> 
> In this case nothing, but if NEW were a subreg, it can change a lot.

Why? 

Do I always need to recognize the result?
If the answer is yes, than I suppose that if something bad happens,
the recognition will fail.

Thanks,
Leehod.



More information about the Gcc mailing list