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Commit a17de6b9 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] truncateVectorWithPACK - upper undef for 128->64 packing 

If we're packing from 128-bits to 64-bits then we don't need the RHS argument. This helps with register allocation, especially as we avoid repeating a use of the input value.
parent 51e3709c
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