Re: [PATCH 1/3] X86: Optimise fls(), ffs() and fls64()

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Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> Where did you find that "doesn't modify its output" thing? It's not true. 
> The truth is that the destination is undefined. Just read the dang Intel 
> documentation, it's very clearly stated right there.

Hmmm...  My ancient Borland Assembler dead-tree manual doesn't mention that.

David
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