1  /* { dg-do compile { target { ! ia32 } } } */
       2  /* { dg-options "-O2 -mavx512vl -mno-avx512bw" } */
       3  
       4  #include <x86intrin.h>
       5  
       6  void
       7  f1 (__m128i x, __m128i y)
       8  {
       9    register __m128i a __asm ("xmm16"), b __asm ("xmm17");
      10    a = x;
      11    b = y;
      12    asm volatile ("" : "+v" (a), "+v" (b));
      13    a = _mm_shuffle_epi8 (a, b);
      14    asm volatile ("" : "+v" (a));
      15  }
      16  
      17  /* { dg-final { scan-assembler-not "vpshufb\[^\n\r]*xmm1\[67]" } } */
      18  
      19  void
      20  f2 (__m256i x, __m256i y)
      21  {
      22    register __m256i a __asm ("xmm16"), b __asm ("xmm17");
      23    a = x;
      24    b = y;
      25    asm volatile ("" : "+v" (a), "+v" (b));
      26    a = _mm256_shuffle_epi8 (a, b);
      27    asm volatile ("" : "+v" (a));
      28  }
      29  
      30  /* { dg-final { scan-assembler-not "vpshufb\[^\n\r]*ymm1\[67]" } } */