MMX / XMM Flashcards

1
Q

What are MMX registers?

A

Registers craved out from the FPU registers with the first 64 bits assigned to MMX registers.

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2
Q

How many MMX registers are there?

A

Seven total. MMX 0-7 each 64 bits wide.

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3
Q

What are XMM registers?

A

There are seven (0-7) XMM registers 128 bits wide.

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