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

Alex Ionescu ionucu at videotron.ca
Mon Jan 2 16:27:28 CET 2006


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


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