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Commit abbe80fa authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] Fold HOP(HOP(X,X),HOP(Y,Y)) -> HOP(PERMUTE(HOP(X,Y)),PERMUTE(HOP(X,Y)) 

For slow-hop targets, attempt to merge HADD/SUB pairs used in chains.
parent 30131984
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