On Tue, Dec 13, 2005 at 23:05:57 +0100, Jesper Juhl wrote: > On 12/13/05, ppunnam@xxxxxxxxxxx <ppunnam@xxxxxxxxxxx> wrote: > > > > > > Hi, > > can any one tell me how can we caluculate the 64 bit division in > > user space. I got two __u64 variables, something similar to the > > do_div (asm/div64.h) in kernel. > > > > Just do a normal division. If you are using a 64bit architecture with > a 64bit userspace / compiler / toolchain and doing divisions on 64bit > long types, then your compiler should take care of generating the > proper 64bit div's all on its own. You don't have to be on a 64-bit architecture nor use 64-bit userspace. You just need a compiler that supports 64-bit integeral type. Then simply use / (but make sure both operands and result are 64-bit). -- Jan 'Bulb' Hudec <bulb@xxxxxx>
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