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Re: cr logical instruction for powerpc target
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Régis Odeyé <rod at thalescomputers dot fr>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 10 Aug 2004 10:23:06 -0400
- Subject: Re: cr logical instruction for powerpc target
- References: <4118BD16.5040109@thalescomputers.fr>
>>>>> =?ISO-8859-1?Q?R=E9gis Odey=E9?= writes:
Regis> I would like to understand when gcc generates CR logical instructions
Regis> (cror, crand,...) for powerpc target.
Regis> Any entry points for this quite specific question would be helpful.
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.
David