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Questions about sse2

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Questions - sse2

Does packed data type in SSE2 imply alignment?

I'm writing some code that should utilize some type of vectorized instructions in order to compare two arrays consisting of 64-bit integers. I'm thinking of utilizing the SSE2 variant for cmpeq. The t...
test-img

aahlback

assembly

sse

memory-alignment

sse2

Votes: 0

Answers: 0

What are the names and meanings of the intrinsic vector element types, like epi64x or pi32?

The intel intrinsic functions have the subtype of the vector built into their names. For example, _mm_set1_ps is a ps, which is a packed single-precision aka. a float. Although the meaning of most of ...
test-img

Brotcrunsher

intel

sse

intrinsics

sse2

mmx

Votes: 0

Answers: 1

Latest Answer

The missing versions are at least si128 and si64, used in bitwise operations and [e]pu{8,16,32,64} for unsigned operations. epi and pi differ in e probably meaning extended; epi register target is a...
test-img

Aki Suihkonen

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