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From: Kumar Gala <galak@kernel.crashing.org>
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Subject: Re: Adding TARGET_VECTOR
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On Aug 25, 2011, at 9:35 AM, Kumar Gala wrote:

> We have some packages like flac that are aware of vectorization that =
may or may not exist on a given processor.  I was wondering if adding =
something like TARGET_VECTOR similar to TARGET_FPU made sense as a way =
for recipes to decide on how to set various vectorization flags if =
needed.
>=20
> I was looking at this mostly from the PPC side in which we have:
>=20
> TARGET_VECTOR =3D "" /* processor has no vector hw */
> TARGET_VECTOR =3D "altivec" /* processor has AltiVec support */
> TARGET_VECTOR =3D "spe" /* processor has signal processing engine =
support */
> TARGET_VECTOR =3D "vsx" /* processor has Vector-Scalar Extension */
>=20
> Not sure what makes sense for x86, ARM, or MIPS.

Any comments on this?

- k=