1/* { dg-do compile } */ 2/* { dg-options "-O2 -ftree-vectorize" } */ 3 4#define N 1024 5unsigned char a[N], b[N], c[N]; 6 7void f1(void) 8{ 9 int i; 10 for (i = 0; i < N; ++i) 11 a[i] = b[i] * c[i]; 12} 13 14void f2(void) 15{ 16 int i; 17 for (i = 0; i < N; ++i) 18 a[i] = b[i] * 2; 19} 20 21void f3(void) 22{ 23 int i; 24 for (i = 0; i < N; ++i) 25 a[i] = b[i] * 20; 26} 27