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Re: PR53914, rs6000 constraints and reload queries


On Aug 1, 2012, at 13:18 , Alan Modra wrote:
>> http://gcc.gnu.org/ml/gcc-patches/2012-04/msg01668.html.

> I like the idea.

 :-)

>  It is worth pursuing for code improvement we'll see
> even if we avoid the "o" constraint everywhere.  For example,
> 	long long llo (long long *x) { return x[4095]; }
> will generate better powerpc -m32 -O2 code with your patch applied, I
> think.


 OK. I guess I'll need to re-adapt it on top of your changes
 and re-test.

 My build/test machine for this configuration is down ATM, with
 hardware maintenance required so this might have to wait a bit.

 Thanks for your feedback,

 Olivier

 


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