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POWER8 built-in function vec_bperm

Originally posted by: TracyR For vector processing, IBM XL C/C++ for Linux V13.1 supports a new POWER8 built-in function vec bperm. The vec bperm can g ather up to 16-bit values from a quadword in the specified order and it operates on vectors as 128-bit unsigned integers. The vec...

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Usage of the vector function vec_popcnt

Originally posted by: TracyR IBM XL C/C++ for AIX, V13.1 supports a vector population count procedure vec popcnt. This built-in function computes the population count (number of set bits) in each element of their input. This function is valid only when the -qarch option is set to target...

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