1  /* { dg-do compile } */
       2  /* { dg-options "(HAS_MADD) -mgp32 -mtune=4kc" } */
       3  /* References to X within the loop need to have a higher frequency than
       4     references to X outside the loop, otherwise there is no reason
       5     to prefer multiply/accumulator registers over GPRs.  */
       6  /* { dg-skip-if "requires register frequencies" { *-*-* } { "-O0" "-Os" } { "" } } */
       7  /* { dg-final { scan-assembler-not "\tmul\t" } } */
       8  /* { dg-final { scan-assembler-not "\tmthi" } } */
       9  /* { dg-final { scan-assembler-not "\tmtlo" } } */
      10  /* { dg-final { scan-assembler "\tmult\t" } } */
      11  /* { dg-final { scan-assembler "\tmadd\t" } } */
      12  
      13  NOMIPS16 long long
      14  f1 (int *a, int *b, int n)
      15  {
      16    long long int x;
      17    int i;
      18  
      19    x = 0;
      20    for (i = 0; i < n; i++)
      21      x += (long long) a[i] * b[i];
      22    return x;
      23  }