Re: [RFC] Optimize swab operations on mips_r2 cpu

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On Wed, Jan 25, 2006 at 03:11:49PM +0100, Kevin D. Kissell wrote:

> >>>Comments ?
> >>Looks good aside of the one issue you've already raised yourself:
> >>
> >>>+/* FIXME: MIPS_R2 only */
> >
> >I was actually asking for advices :)
> >
> >I can see only two simple ways to do that:
> >(a) we can define a couple of new macro ie CONFIG_MIPS32_ISET_R[12]
> >that can be set depending on the selected CPU;
> >(b) define a new macro CONFIG_CPU_HAS_WSBH;
> 
> Don't we already have CONFIG_CPU_MIPS32R2?

We have CPU_MIPS32_R1, CPU_MIPS32_R2, CPU_MIPS64_R1, CPU_MIPS64_R2.
Based on those we also define CPU_MIPS32, CPU_MIPS64, CPU_MIPSR1,
and CPU_MIPSR2 as short cuts.

In this particular case

#include <linux/config.h>

#ifdef CONFIG_CPU_MIPSR2
...
#else
...

would be what we want.

  Ralf


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