1  /* PR rtl-optimization/64286 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2 -mavx2" } */
       4  /* { dg-require-effective-target avx2 } */
       5  
       6  #include <string.h>
       7  #include <stdlib.h>
       8  #include <x86intrin.h>
       9  #include "avx2-check.h"
      10  
      11  __m128i v;
      12  __m256i w;
      13  
      14  __attribute__((noinline, noclone)) void
      15  foo (__m128i *p, __m128i *q)
      16  {
      17    __m128i a = _mm_loadu_si128 (p);
      18    __m128i b = _mm_xor_si128 (a, v);
      19    w = _mm256_cvtepu8_epi16 (a);
      20    *q = b;
      21  }
      22  
      23  static void
      24  avx2_test (void)
      25  {
      26    v = _mm_set1_epi8 (0x40);
      27    __m128i c = _mm_set_epi8 (16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1);
      28    __m128i d;
      29    foo (&c, &d);
      30    __m128i e = _mm_set_epi8 (0x50, 0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49,
      31  			    0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41);
      32    __m256i f = _mm256_set_epi16 (16, 15, 14, 13, 12, 11, 10, 9,
      33  				8, 7, 6, 5, 4, 3, 2, 1);
      34    if (memcmp (&w, &f, sizeof (w)) != 0
      35        || memcmp (&d, &e, sizeof (d)) != 0)
      36      abort ();
      37  }