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When an MMX instruction is getting executed, the floating-point tag word is marked

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in Microprocessor by (39.4k points)
When an MMX instruction is getting executed, the floating-point tag word is marked

(a) 11

(b) 10

(c) 00

(d) 01

This question was posed to me in an international level competition.

The origin of the question is MMX Data Types, Wrap-around and Saturation Arithmetic, Multimedia Application Programming, Pentium III (P-III) CPU in portion Recent Advancements in Microprocessor Architecture of Microprocessor

1 Answer

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by (49.2k points)
Correct choice is (c) 00

The explanation is: When an MMX instruction is getting executed, the floating-point tag word is marked valid i.e. 00.

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