Re: [ros-dev] Different problem with fastinterlck_asm.S ;-(

[Alex Ionescu]

Ge van Geldorp wrote:

> >  From: Alex
> > Buell
> >
> > [GAS]      ntoskrnl/ex/i386/fastinterlck_asm.S
> > ntoskrnl/ex/i386/fastinterlck_asm.S: Assembler messages:
> > ntoskrnl/ex/i386/fastinterlck_asm.S:408: Error: suffix or operands invalid
> >     
> >  
> for `cmpxchg8b' 
>
> I believe cmpxchg8b is a Pentium-or-higher instruction, so we shouldn't be
> using it (at least not without testing if it's available).
>
> GvG
>   
>  
Hi,

We already did, so I simply re-used that assumption. Does/should ReactOS 
still work on 486? If so, I can add code to test and modify the 
assumption (but once again, I note that some of the original code 
already used cmpxhcg8b and nobody has complained ever.

Best regards,
Alex Ionescu