Re: Combining two MMX registers into one SSE register?
- From: "robertwessel2@xxxxxxxxx" <spamtrap@xxxxxxxxxx>
- Date: Wed, 26 Oct 2005 22:17:14 +0000 (UTC)
Rich Fife wrote:
> Is there a way to combine two MMX registers into the low and high quad
> words of an SSE register without getting memory involved? MOVQ2DQ does
> a zero extend, unfortunately, or it would be easy.
Two MOVQ2DQ's followed by either a SHUFPD or PSLLDQ/POR pair.
.
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- From: Rich Fife
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