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 unsigned int x[NMAX], a[NMAX][NMAX]; 11 12 static unsigned 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; 31 unsigned int res; 32 33 for (i = 0; i < NMAX; i++) 34 for (j = 0; j < NMAX; j++) 35 a[i][j] = j; 36 37 for (i = 0; i < NMAX; i++) 38 x[i] = i; 39 40 res = mvt (NMAX); 41 42 #if DEBUG 43 fprintf (stderr, "res = %d \n", res); 44 #endif 45 46 if (res != 2001) 47 abort (); 48 49 return 0; 50 } 51 52 /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */ 53