1 /* { dg-do compile } */ 2 /* { dg-options "-O2" } */ 3 /* { dg-require-effective-target ia32 } */ 4 mac(const int * a,const int * b,long long sqr,long long * sum)5long long mac(const int *a, const int *b, long long sqr, long long *sum) 6 { 7 int i; 8 long long dotp = *sum; 9 10 for (i = 0; i < 150; i++) { 11 dotp += (long long)b[i] * a[i]; 12 sqr += (long long)b[i] * b[i]; 13 } 14 15 *sum = dotp; 16 return sqr; 17 } 18 19 /* { dg-final { scan-assembler-times "imull" 2 } } */ 20