Re: [PATCH 1/2] ARM64:VDSO: Improve gettimeofday, don't use udiv

From: Christopher Covington
Date: Thu Mar 24 2016 - 10:37:06 EST

On 03/13/2016 03:50 PM, Andrew Pinski wrote:
> On many cores, udiv with a large value is slow, expand instead
> the division out to be what GCC would have generated for the
> divide by 1000.

This like checking object code into version control. Why not write in C
and let GCC perform the generation?


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