Linus Torvalds wrote:
However, this could be optimized. I think right now sprintf() uses a generic
divide-by-base, but a divide by 8 and 16 can of course be handled with a
shift, and divide by 10 can be replaced with a multiplication by
0x1999999999999999ULL on most architectures.
Nope. You need both the result of the division *and* the remainder, and
you can't do that with a single multiply.
Oh, right. *D'oh*.
-hpa
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