explicit saves vs clobbers in paravirt.h

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Andi Kleen wrote:
> They? 

Er, yeah, the quote wasn't very good context.  "They" = asm() statements 
implementing paravirt functions.

> Normally gcc assumes cc is always clobbered for asm, otherwise you
> would need to add it to pretty much every inline assembly statement.
>   

Oh, OK.  Is "cc" clobber ever useful?

    J


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