Messages in this thread |  | | Date | Tue, 24 Apr 2012 15:03:13 -0700 | | From | "H. Peter Anvin" <> | | Subject | Re: [RFC][PATCH 3/3] math128, x86_64: Implement {mult,add}_u128 in 64bit asm |
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On 04/24/2012 03:00 PM, Peter Zijlstra wrote: > > I haven't been able to make add_u128 generate sane code using __int128, > the conversion between my struct and the __int128 layout makes a horrid > mess. >
Use a union, or define your type simply as __int128 if you're on a suitable platform?
-hpa
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