1  /* { dg-do assemble { target { avx512bw && { avx512vl && { ! ia32 } } } } } */
       2  /* { dg-options "-O2 -mavx512bw -mavx512vl" } */
       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; b = y;
      11    asm volatile ("" : "+v" (a), "+v" (b));
      12    a = _mm_madd_epi16 (a, b);
      13    asm volatile ("" : "+v" (a));
      14  }
      15  
      16  void
      17  f2 (__m256i x, __m256i y)
      18  {
      19    register __m256i a __asm ("xmm16"), b __asm ("xmm17");
      20    a = x; b = y;
      21    asm volatile ("" : "+v" (a), "+v" (b));
      22    a = _mm256_madd_epi16 (a, b);
      23    asm volatile ("" : "+v" (a));
      24  }