[PATCH] Lower certain build_vectors to insertps instructions

Elena Demikhovsky elena.demikhovsky at intel.com
Sun Apr 27 00:25:40 PDT 2014

Let's assume that you need to insert 2 or 3 elements that extracted from vector X.
But you create an INSERPS node that puts one element to UNDEF.

return DAG.getNode(X86ISD::INSERTPS, dl, VT, V, DAG.getUNDEF(VT),

-  Elena


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