1
0
mirror of https://github.com/cc65/cc65.git synced 2024-12-23 19:29:37 +00:00
cc65/test/val/bug1462-biefield-assign-1.c

68 lines
907 B
C
Raw Normal View History

2021-04-23 19:52:36 +00:00
/* issue #1462 - Bit-fields are still broken */
#include <stdio.h>
typedef struct {
signed int a : 3;
signed int b : 3;
signed int c : 3;
} T;
int failures = 0;
void test()
{
T a = {2, 5, -1};
T b = {1, 4, -1};
T m[1] = {{6, 3, -1}};
T *p = &a;
a.c += b.a;
p->c += b.b;
m->c += b.c;
if (a.c != -4) {
++failures;
}
printf("%d\n", a.c);
if (p->c != -4) {
++failures;
}
printf("%d\n", p->c);
if (m->c != -2) {
++failures;
}
printf("%d\n", m->c);
++a.a;
p->b++;
m->c--;
if (a.a != 3) {
++failures;
}
printf("%d\n", a.a);
if (p->b != -2) {
++failures;
}
printf("%d\n", p->b);
if (m->c != -3) {
++failures;
}
printf("%d\n", m->c);
printf("Failures: %d\n", failures);
}
int main(void)
{
test();
return failures;
}