Question: 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.

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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