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The various manufacturers refer to the swapping of data values by different terms: swizzle, shuffle, splat, etc. Some of these replicate a data value into two or more destination locations. In a few hybrid cases the functions use a defined distribution or a custom-defined interlacing of source arguments such as was discussed in the previous section.
The splat functionally is similar to a bug hitting the windshield of an automobile at 70 mph.
A bit sequence is used to indicate which source elements are mapped to which destination elements.
pinsrw destination , source , #
Mnemonic
P
PII
K6
3D!
3Mx+
SSE
SSE2
A64
SSE3
E64T
PINSRW
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Pages: 191
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