Explain what the following fragment of code achieves. the data is signed and that the packed shift

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Explain what the following fragment of code achieves. the data is signed and that the packed shift right arithmetic instruction operates on word (16-bit) operands.

MOVQ MMO, MM1 PSRAW MMO, 15 PXOR MMO, MM1

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Computer Organization And Architecture Themes And Variations

ISBN: 9781111987046

1st Edition

Authors: Alan Clements

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Question Posted: Jan 22, 2024 08:02 AM

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Explain what the following fragment of code achieves. the data is signed and that the packed shift

Question:

MOVQ MMO, MM1 PSRAW MMO, 15 PXOR MMO, MM1

Step by Step Answer:

MOVO MMO MM1 PSRAW MMO 15 PXOR MM1 MMO Copy MM1 to M...View the full answer

Computer Organization And Architecture Themes And Variations

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