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_mm_minpos_epu16

Visual Studio 2008

Microsoft Specific

Emits the Streaming SIMD Extensions 4 (SSE4) instruction phminposuw. This instruction selects the minimum from a set.

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__m128i _mm_minpos_epu16( 
   __m128i a
);
[in] a

A 128-bit parameter that contains eight 16-bit unsigned integers.

A 128-bit value. The lowest order 16 bits are the minimum value found in parameter a. The second-lowest order 16 bits are the index of the minimum value found in parameter a.

Intrinsic

Architecture

_mm_minpos_epu16

x86, x64

Header file <smmintrin.h>

Before you use this intrinsic, software must ensure that the processor supports the instruction.

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#include <stdio.h>
#include <smmintrin.h>

int main ()
{
    __m128i a;

    a.m128i_u16[0] = 127;
    a.m128i_u16[1] = 10000;
    a.m128i_u16[2] = 65535;
    a.m128i_u16[3] = 1;
    a.m128i_u16[4] = 2;
    a.m128i_u16[5] = 64;
    a.m128i_u16[6] = 314;
    a.m128i_u16[7] = 27;

    __m128i res = _mm_minpos_epu16(a);

    printf_s("Result res:\t%d\t%d\t%d\t%d\n\t\t%d\t%d\t%d\t%d\n",
                res.m128i_u16[0], res.m128i_u16[1], res.m128i_u16[2],
                res.m128i_u16[3], res.m128i_u16[4], res.m128i_u16[5],
                res.m128i_u16[6], res.m128i_u16[7]);

    return 0;
}
Result res: 1 3 0 0 0 0 0 0
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