1 /* { dg-require-effective-target vect_int } */ 2 3 #include <stdarg.h> 4 #include "tree-vect.h" 5 6 #define N 40 7 8 int a[N]; 9 int b[N]; 10 11 __attribute__ ((noinline)) int foo()12foo (){ 13 int i,j; 14 int sum,x,y; 15 16 for (i = 0; i < N/2; i++) { 17 sum = 0; 18 x = b[2*i]; 19 y = b[2*i+1]; 20 for (j = 0; j < N; j++) { 21 sum += j; 22 } 23 a[2*i] = sum + x; 24 a[2*i+1] = sum + y; 25 } 26 } 27 main(void)28int main (void) 29 { 30 int i,j; 31 int sum; 32 33 check_vect (); 34 35 for (i=0; i<N; i++) 36 b[i] = i; 37 38 foo (); 39 40 /* check results: */ 41 for (i=0; i<N/2; i++) 42 { 43 sum = 0; 44 for (j = 0; j < N; j++) 45 sum += j; 46 if (a[2*i] != sum + b[2*i] || a[2*i+1] != sum + b[2*i+1]) 47 abort(); 48 } 49 50 return 0; 51 } 52 53 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { target vect_strided2 } } } */ 54