From: NoEmailAds AT execpc DOT com (Chris Giese)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: GCC 3.1 and DJGPP - observations.
Date: Wed, 05 Jun 2002 02:53:29 GMT
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Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de> wrote:

>CBFalconer <cbfalconer AT yahoo DOT com> wrote:
>
>> 3) All versions were compiled with O2.  Looking at the generated
>> code with "objdump -dS" it appears as if the optimization is quite
>> different.  
>
>It's supposed to be.  The new optimization engine is one of the major
>new features advertised for GCC-3.x.  It would have been rather
>un-interesting if it didn't effect the optimized code, wouldn't it?

Do you know if new GCC can use registers AH and AL at the same time?
For two 8-bit variables?