gnupic@linuxhacker.org

Subject: Re: SDCC overoptimizing
From: Erik Gustavsson
Date: Sat, 29 Mar 2003 04:42:38 +0100 (MET)

> > 
> > ;  PORTB=(PORTB&0xf0)|(0x02);
> >         MOVLW   0xf0
> >         ANDWF   _PORTB,W
> >         MOVLW   0x02
> >         MOVWF   _PORTB
> > 
> > Seems to me the second MOVLW should have been a IORLW.
> > I was kind of thinking of having a look at the SDCC 
> > code myself, but I don't really know where to start...
> 
> Yep, that's a bug.
> 

Here's a patch: 
http://area26.no-ip.org/download/misc/sdcc-orfix.patch

I't seemed like the right thing to do, and works on my
specific code but comes with no warranty beyond that. 

/cyr
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cyrano(at)algonet(dot)se | http://area26.no-ip.org
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