/* { dg-require-effective-target size32plus } */ #define DEBUG 0 #if DEBUG #include #endif #define N 200 int a[N][N]; int b[N][N]; static int __attribute__((noinline)) foo (void) { int i, j; int res = 0; /* This loop nest should be blocked. */ for (j = 1; j < N; j++) for (i = 0; i < N; i++) a[i][j] = a[i][j-1] + b[i][j]; for (i = 0; i < N; i++) res += a[i][i]; return res; } extern void abort (); int main (void) { int i, j, res; for (i = 0; i < N; i++) for (j = 0; j < N; j++) { a[i][j] = i + j; b[i][j] = i - j; } res = foo (); #if DEBUG fprintf (stderr, "res = %d \n", res); #endif if (res != 1333300) abort (); return 0; } /* { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" } } */ /* { dg-final { cleanup-tree-dump "graphite" } } */