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Oxijen · Posted: Thu Jul 30, 2020 5:04 pm Post subject: movaps and movss

what does movaps and movss do??
Ik mov and movsd but movaps and movss Rolling Eyes

And sorry for asking multiple questions about different topics but I get bored really quick so I skip it for later Wink

ParkourPenguin · Posted: Thu Jul 30, 2020 6:25 pm Post subject:

https://www.felixcloutier.com/x86/

movaps - Move Aligned Packed Single-Precision Floating-Point Values

That's a good brief description. "Move" means it moves data, "Single-Precision Floating-Point Values" are floats, "Packed" means it's moving several values at once, and "Aligned" means the memory address it's moving to must be aligned on some boundary.

e.g.
movaps xmm1,[eax+30] - moves 4 floats from eax+30 (must be aligned to 16 bytes) into xmm1

Oxijen · Posted: Fri Jul 31, 2020 2:43 am Post subject:

Thx again