1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
signed char data_ch[N] =
{ 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 };
#define SUM 210
__attribute__ ((noinline)) int
foo ()
{
int i;
signed int intsum = 0;
/* widenning sum: sum chars into int. */
for (i = 0; i < N; i++)
{
intsum += data_ch[i];
}
/* check results: */
if (intsum != SUM)
abort ();
return 0;
}
int
main (void)
{
check_vect ();
return foo ();
}
/* { dg-final { scan-tree-dump "vect_recog_widen_sum_pattern: detected" "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si && vect_unpack } } } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
|
