[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] ffs vs __builtin_ffs
At 10:53 +0000 on 31 Oct (1383213226), Andrew Cooper wrote: > Would it be acceptable to provide a patch which does a straight replace > of the static inline function with a define? __builtin_ffs is supported > in all compilers we support, but there does not appear to any sane way > to detect the presence of the builtin. Seems like a good idea to me, though it'd have to be __builtin_ffsl() as the existing ffs() takes an unsigned long. Tim. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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