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Taking Bytes Out of xmm Register

 
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drewsk1
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Joined: 02 Nov 2015
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PostPosted: Tue Nov 10, 2015 5:25 am    Post subject: Taking Bytes Out of xmm Register Reply with quote
I've been looking through the forums, but I haven't found an answer. I'm curious if you can move the high quad word of xmm0 to the low qword then take out the last 4 bytes and move it to eax.

movhlps xmm0,xmm0

mov eax,[xmm0+12]
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Zanzer
I post too much
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Joined: 09 Jun 2013
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PostPosted: Tue Nov 10, 2015 9:44 am    Post subject: Reply with quote
Some combination of
Code:
movlps [myvar],xmm0
movhps [myvar],xmm0
mov eax,[myvar]
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drewsk1
Newbie cheater
Reputation: 1

Joined: 02 Nov 2015
Posts: 20
PostPosted: Tue Nov 10, 2015 1:58 pm    Post subject: Reply with quote
Zanzer wrote:
Some combination of
Code:
movlps [myvar],xmm0
movhps [myvar],xmm0
mov eax,[myvar]


Thank you, this is exactly what I was looking for. =)
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