[Pixman] Help with sending patch

Fernando Seiti Furusato ferseiti at linux.vnet.ibm.com
Fri May 22 12:07:03 PDT 2015

Hi Lennart.

Your questions really got me thinking. But I made some researching.

On 05/22/2015 02:54 PM, Lennart Sorensen wrote:
> Isn't altivec always big endian?  If so, that would make running altivec
> code while in little endian mode interesting.
I believe that depends mostly on the implementation.
The implications of endianness differences for the instructions themselves can
be checked out on Power ABI Specification[1].
> I was under the impression that ppc64le used vsx instead of altivec.
Afaik, vsx is actually an extension to SIMD processing for POWER. It was
introduced with POWER7 machines.



Fernando Seiti Furusato
IBM Linux Technology Center

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