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Commit 5e426363 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][AVX] Add tests showing failure to use chained PACKSS/PACKUS for... 

[X86][AVX] Add tests showing failure to use chained PACKSS/PACKUS for multi-stage compaction shuffles

The sign/zero extended top bits mean that we could use chained PACK*S ops here
parent a46e7d7a
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