Which of the following is the best description of the purpose of the following shuffle instruction (prototype shown below): mm256_shuffle_epi8(__m256i a, m256i m256i b) It moves all bytes of the first argument left (by a number of lanes specified by the second argument), bringing in zeros on the right-hand side It shuffles the bytes of the first argument within 32-bit lanes as specified by the second argument It allows the bytes of the first and second argument to be recombined in any order It rotates all bytes of the first argument left (by a number of lanes specified by the second argument), with values that go off the left, wrapping around the right O It reorganises the bytes of its first argument as specified by the bytes of its second argument (treated as indexes)
Which of the following is the best description of the purpose of the following shuffle instruction (prototype shown below): mm256_shuffle_epi8(__m256i a, m256i m256i b) It moves all bytes of the first argument left (by a number of lanes specified by the second argument), bringing in zeros on the right-hand side It shuffles the bytes of the first argument within 32-bit lanes as specified by the second argument It allows the bytes of the first and second argument to be recombined in any order It rotates all bytes of the first argument left (by a number of lanes specified by the second argument), with values that go off the left, wrapping around the right O It reorganises the bytes of its first argument as specified by the bytes of its second argument (treated as indexes)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Which of the following is the best description of the purpose of the
following shuffle instruction (prototype shown below):
mm256 shuffle_epi8(
m256i
m256i a,
m256i b)
It moves all bytes of the first argument left (by a number of lanes specified by
the second argument), bringing in zeros on the right-hand side
It shuffles the bytes of the first argument within 32-bit lanes as specified by the
second argument
It allows the bytes of the first and second argument to be recombined in any
order
It rotates all bytes of the first argument left (by a number of lanes specified by
the second argument), with values that go off the left, wrapping around the right
O It reorganises the bytes of its first argument as specified by the bytes of its
second argument (treated as indexes)
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