Re: [PATCH 02/16] math128, x86_64: Implement {mul,add}_u128 in 64bitasm

[H. Peter Anvin]

On 10/24/2012 03:47 PM, Juri Lelli wrote:
>>
>> How could this work since u128 presumably has not yet been defined as a
>> structure?  After all, isn't it the absence of ARCH_HAS_INT128 which
>> makes that happen?
> 
> Sorry, you were not in the Cc list of the previous patch in the patchset,
> so you probably missed that. I should have triple checked git send-email
> Cc list. Sorry about that.
> 
> I'll add you there.
> 

Hmm... you realize that at least on some platform the u128 as a union is
going to perform worse than the plain __int128, right?  As such IMO it
would be better if the union was only defined if needed.

	-hpa

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