[PATCH] Update support patch for ACML vectorized intrinsic library

[Uros Bizjak]

Hello!

> This is about the best thing we can do at the moment without introducing
> libgcc-math, so I'd like to go ahead with this for 4.3 at least.
>
> Any opinion on whether we automatically should link acml_mv?

What about having to specify full library name to -mveclib= ? This name 
can be processed by appropriate _SPEC define to automatically link 
specified library. The benefit of specifying a full name would be to 
distinguish between i.e. acml_mv and (possible) acml_mv2.

(Ideally, we should detect when acml_mv library was added using 
-lacml_mv and trigger correct veclib handler. I'm not sure, this is 
possible...).

Uros.