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by onan_barbarian
5432 days ago
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You do recall correctly. Further, x86 only provides these SIMD operations on 8-bit and 16-bit quantities, not on 32-bit or 64-bit quantities (although all these types can be packed into a SIMD register and operated on with at least some operations; for example regular, non-saturating add). SSE has a menagerie of non-orthogonal oddities, unfortunately; this is only one of them. |
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