1  /* { dg-do compile { target { ! ia32 } } } */
       2  /* { dg-options "-O2 -mcrc32 -dp" } */
       3  /* { dg-final { scan-assembler-not "zero_extendsidi" } } */
       4  
       5  #include <immintrin.h>
       6  #include <stdint.h>
       7  
       8  uint32_t f(uint32_t c, uint64_t *p, size_t n)
       9  {
      10      for (size_t i = 0; i < n; i++)
      11          c = _mm_crc32_u64(c, p[i]);
      12      return c;
      13  }