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Re: Question about merging two instructions.
- From: Leehod Baruch <LEEHOD at il dot ibm dot com>
- To: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 22 Aug 2005 16:32:58 +0300
- Subject: Re: Question about merging two instructions.
> > 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.