PATCH: Support FMA in fma

[Ulrich Drepper]

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Agner Fog wrote:
> Future CPUs may support FMA3, FMA4 or both.

This is all known.


> May I suggest that you make two flags: HAS_FMA3 and HAS_FMA4.

I'm not adding additional macros until they are used.  There is no
support for the FMA4 instruction.  Therefore there is no macro.

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