1 /* { dg-require-effective-target size32plus } */ 2 3 #define DEBUG 0 4 #if DEBUG 5 #include <stdio.h> 6 #endif 7 8 #define NMAX 2000 9 10 static int x[NMAX], a[NMAX][NMAX]; 11 12 static int __attribute__((noinline)) mvt(long N)13mvt (long N) 14 { 15 int i,j; 16 17 /* These two loops should be interchanged. */ 18 for (i = 0; i < N; i++) 19 for (j = 0; j < N; j++) 20 x[i] += a[j][i]; 21 22 return x[1]; 23 } 24 25 extern void abort (); 26 27 int main(void)28main (void) 29 { 30 int i, j, res; 31 32 for (i = 0; i < NMAX; i++) 33 for (j = 0; j < NMAX; j++) 34 a[i][j] = j; 35 36 for (i = 0; i < NMAX; i++) 37 x[i] = i; 38 39 res = mvt (NMAX); 40 41 #if DEBUG 42 fprintf (stderr, "res = %d \n", res); 43 #endif 44 45 if (res != 2001) 46 abort (); 47 48 return 0; 49 } 50 51 /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */ 52