PATCH: Add 32bit SSE2 strlen

[Ulrich Drepper]

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H.J. Lu wrote:
> I don't want to totally disable SSE2 on Atom. So I added slow_vector.

But why?  This isn't used elsewhere?  Disabling SSE2 has not negative
effects so far.  And nothing but the string functions uses the flags.

> I can limit it to 32bit and leave 64bit alone.

At th very least.  But I see no reason so far to introduce it at all.
If the Atoms suck so badly at SSE then disable it for good.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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