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assembly - Assembler invert XMM register

问题描述:

I have to invert the contents of a 128-bit XMM register.

I've tried it in many different ways, but all I get is a not-so-nice error message.

I'm thankful for all kinds of help.

网友答案:

First, PCMPEQD on some register (passing it as both operands) to load all ones into it. Then, PXOR that register with the input register.

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