cr logical instruction for powerpc target

Régis Odeyé rod@thalescomputers.fr
Tue Aug 10 14:52:00 GMT 2004


David Edelsohn wrote:

>	GCC currently looks for opportunities to use CR logical
>instructions to compare the results of two comparisons.  GCC does not use
>CR logical instructions to cascade comparisons.
>
>  
>
Thanks a lot.

Do you know if there is any specific options of GCC to replace those CR 
logical instructions by another instructions sequences (using copies of 
CRs to GPR and logical operation on the GPRs) ?

Regards.

-- 
Régis Odeyé
Thales Computers, a Thales company. www.thalescomputers.com
E-mail: rod@thalescomputers.fr
Tel: +33 (0)4 98 16 34 86 - Fax: +33 (0)4 98 16 34 01




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