llvmpipe: prepare to add avx512 support
cc @jekstrand @airlied @brianp @jrfonseca @mareko
As AVX512 can be a thing with Ryzen 7950x, so I'd like to enable it in llvmpipe
Edited by Yonggang Luo
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cc @jekstrand @airlied @brianp @jrfonseca @mareko
As AVX512 can be a thing with Ryzen 7950x, so I'd like to enable it in llvmpipe