1  /* { dg-do run } */
       2  /* { dg-require-effective-target vsx_hw } */
       3  /* { dg-options "-O2 -mvsx" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse4_1-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse4_1_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include <smmintrin.h>
      16  
      17  #define NUM 1024
      18  
      19  static void
      20  TEST (void)
      21  {
      22    union
      23      {
      24        __m128i x[NUM / 16];
      25        signed char i[NUM];
      26      } dst, src1, src2;
      27    int i, sign = 1;
      28    signed char max;
      29  
      30    for (i = 0; i < NUM; i++)
      31      {
      32        src1.i[i] = i * i * sign;
      33        src2.i[i] = (i + 20) * sign;
      34        sign = -sign;
      35      }
      36  
      37    for (i = 0; i < NUM; i += 16)
      38      dst.x[i / 16] = _mm_max_epi8 (src1.x[i / 16], src2.x[i / 16]);
      39  
      40    for (i = 0; i < NUM; i++)
      41      {
      42        max = src1.i[i] <= src2.i[i] ? src2.i[i] : src1.i[i];
      43        if (max != dst.i[i])
      44  	abort ();
      45      }
      46  }