| /* { dg-require-effective-target size32plus } */ |
| |
| #define DEBUG 0 |
| #if DEBUG |
| #include <stdio.h> |
| #endif |
| |
| #define NMAX 2000 |
| |
| static unsigned int x[NMAX], a[NMAX][NMAX]; |
| |
| static unsigned int __attribute__((noinline)) |
| mvt (long N) |
| { |
| int i,j; |
| |
| /* These two loops should be interchanged. */ |
| for (i = 0; i < N; i++) |
| for (j = 0; j < N; j++) |
| x[i] += a[j][i]; |
| |
| return x[1]; |
| } |
| |
| extern void abort (); |
| |
| int |
| main (void) |
| { |
| int i, j; |
| unsigned int res; |
| |
| for (i = 0; i < NMAX; i++) |
| for (j = 0; j < NMAX; j++) |
| a[i][j] = j; |
| |
| for (i = 0; i < NMAX; i++) |
| x[i] = i; |
| |
| res = mvt (NMAX); |
| |
| #if DEBUG |
| fprintf (stderr, "res = %d \n", res); |
| #endif |
| |
| if (res != 2001) |
| abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */ |
