m256 missing from <xmmintrin.h>

[olivaE]

Ian Lance Taylor-3 wrote:
> 
> 
> The _m256 type is supported in immintrin.h, but only when -march
> indicates that AVX support is available.  This is only available in gcc
> 4.4 and later.
> 
> Ian
> 
> thanks a lot, so I should install the newest gcc, and update the SSE
> headers, I'll ask in a mac forums how to do that without messing up
> things.
> 
> thanks
> 
> 

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