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
41
42
43
44
45
46
47
48
49
50
51
|
/* { dg-require-effective-target vect_shift } */
/* { dg-require-effective-target vect_long_long } */
/* { dg-additional-options { "-fdump-tree-ifcvt-all" } } */
#include <stdarg.h>
#include "tree-vect.h"
extern void abort(void);
struct s {
unsigned i : 31;
char a : 4;
};
#define N 32
#define ELT0 {0x7FFFFFFFUL, 0}
#define ELT1 {0x7FFFFFFFUL, 1}
#define ELT2 {0x7FFFFFFFUL, 2}
#define ELT3 {0x7FFFFFFFUL, 3}
#define ELT4 {0x7FFFFFFFUL, 4}
#define RES 9
struct s A[N]
= { ELT0, ELT4, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3,
ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3,
ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3,
ELT0, ELT1, ELT2, ELT3, ELT0, ELT1, ELT2, ELT3};
int __attribute__ ((noipa))
f(struct s *ptr, unsigned n) {
int res = 0;
for (int i = 0; i < n; ++i)
{
if (ptr[i].a)
return 9;
res += ptr[i].a;
}
return res;
}
int main (void)
{
check_vect ();
if (f(&A[0], N) != RES)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump "Bitfield OK to lower." "ifcvt" } } */
|
