From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maciej Hrebien <m_hrebien@wp.pl>
Subject: Re: paddw vs paddb
Date: Sat, 25 Dec 2004 11:40:42 +0100
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Ankit Jain wrote:
> 
> thanks
> 
> but if u can solve one more problem
> 
> 'a' is uint8_t type and i want to extract only 4 int
> and store it as a word in mmx register
> 
> i am not able to understand that because movq is
> extracting 8 bytes at a time.
> 
> actually the problem is overflow. saturation is not
> tht helpfull

I don't know if i understand your question right but for
32-bit transfers (4 bytes) you have MOVD instruction.

-- 
Maciej Hrebien