1  /* { dg-do run } */
       2  /* { dg-require-effective-target arm_neon_hw } */
       3  /* { dg-options "-O2" } */
       4  /* { dg-add-options arm_neon } */
       5  
       6  #include <arm_neon.h>
       7  
       8  __attribute__ ((noinline)) int8_t
       9  testFunction1 (int8_t a, int8_t b)
      10  {
      11    volatile int8x16_t sub = vsubq_s8 (vdupq_n_s8 (a), vdupq_n_s8 (b));
      12    int8x16_t abs = vabsq_s8 (sub);
      13    return vgetq_lane_s8 (abs, 0);
      14  }
      15  
      16  __attribute__ ((noinline)) int8_t
      17  testFunction2 (int8_t a, int8_t b)
      18  {
      19    int8x16_t sub = vsubq_s8 (vdupq_n_s8 (a), vdupq_n_s8 (b));
      20    int8x16_t abs = vabsq_s8 (sub);
      21    return vgetq_lane_s8 (abs, 0);
      22  }
      23  
      24  int
      25  main (void)
      26  {
      27    if (testFunction1 (-100, 100) != testFunction2 (-100, 100))
      28      __builtin_abort ();
      29  
      30    return 0;
      31  }