Re: [Xen-devel] porting xen-detect ASM code into a shared library

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 10/7/08 13:43, "Guillaume Rousse" <Guillaume.Rousse@xxxxxxxx> wrote:

>> It's gcc and x86 specific of course. Beyond that it is portable (across OSes
>> for example).
> What's the point of #ifdef __i386__ for the %ebx register usage issue,
> if whose cpuid function is x86-only ? Or is it actually a way to
> distinguish between gcc and other compilers ?
> 
> And are they alternative for non-i386 arches ?

__i386__ versus __x86_64__

 -- Keir



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