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Implementation in NEON of non uniform address jumps

Rnjai Lamba
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  • Arm Employee Badge
    Note: This was originally posted on 25th July 2012 at http://forums.arm.com

    If you have a vector of  "signed short" (int16_t) and wish to convert to a vector of "unsigned char" (uint8_t) with corresponding saturation into the range 0 to 255 then you can use "VQMOVUN.s16". Alternatively, you could choose to simultaneously perform an optional shift by using "VQSHRUN.s16".

    hth
    s.
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  • Arm Employee Badge
    Note: This was originally posted on 25th July 2012 at http://forums.arm.com

    If you have a vector of  "signed short" (int16_t) and wish to convert to a vector of "unsigned char" (uint8_t) with corresponding saturation into the range 0 to 255 then you can use "VQMOVUN.s16". Alternatively, you could choose to simultaneously perform an optional shift by using "VQSHRUN.s16".

    hth
    s.
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