Re: [arm-gnu] NEON usage

[42Bastian <list-bastian.schick@xxxxxxxxxxx>]

Am 11.05.2010 06:03, schrieb James:

>> Excuse my ignorance, but aren't intrinsics meant to be used by the
>> programmer ?
> 
> Yes, as I understand it.  What I was getting at is that the platform has
> the ability to perform a 32x32=64 bit computation, but the vectorizer
> doesn't seem to know about it.

I tried int32_t sum => vectorize.
I tried int64_t x[],y[]; => does not vectorize

So it seems gcc does not know that there are 64bit vectors.

(Or the wrong options ?)


-- 
42Bastian
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