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/* { dg-do run } */
extern void *memset(void *s, int c, __SIZE_TYPE__ n);
extern void abort (void);
#define ASIZE 1028
#define HALF (ASIZE/2)
int main() {
unsigned int array[ASIZE];
int i;
memset(array, 0, sizeof(array));
/* initialize first half of the array */
for (i = 0; i < HALF; i++)
array[i] = i;
/* fill second half of array in by summing earlier elements of the array
gcc 4.5.1 and 4.5.2 incorrectly vectorize this loop! aray[1025] is left
at 0 for ASIZE=1028 */
for (i = 0; i < HALF-1; i++)
array[HALF+i] = array[2*i] + array[2*i + 1];
/* see if we have any failures */
for (i = 0; i < HALF - 1; i++)
if (array[HALF+i] != array[2*i] + array[2*i + 1])
abort ();
return 0;
}
/* { dg-final { cleanup-tree-dump "vect" } } */
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