mirror of
https://github.com/cc65/cc65.git
synced 2024-12-23 19:29:37 +00:00
b931e65811
Fixes #1267 Avoid ICE, but treat plain int bit-fields declared via typedef as signed rather than unsigned. It is more efficient to treat them as unsigned, but this requires distinguishing int from signed int, and this is curently not done.
100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
|
|
/* bug #1094 - Nested struct/union initializers don't compile */
|
|
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
|
|
typedef uint16_t u16;
|
|
typedef uint8_t u8;
|
|
|
|
struct WW {
|
|
int a : 4;
|
|
struct {
|
|
unsigned int b : 4;
|
|
unsigned int c : 8;
|
|
} x[2];
|
|
} wwqq = { 0, {2, 5, {3, 4}}, };
|
|
|
|
typedef struct {
|
|
u16 quot;
|
|
u16 rem;
|
|
} udiv_t;
|
|
|
|
typedef struct {
|
|
u16 quot;
|
|
u16 rem;
|
|
char m[8];
|
|
} big_t;
|
|
|
|
union U {
|
|
struct {
|
|
signed int a : 3;
|
|
signed int b : 3;
|
|
signed int c : 3;
|
|
};
|
|
int u;
|
|
};
|
|
|
|
union U g = { 5, 3, 1 };
|
|
|
|
struct S {
|
|
struct {
|
|
unsigned int a : 3;
|
|
unsigned int b : 3;
|
|
unsigned int c : 3;
|
|
};
|
|
};
|
|
|
|
struct S h = { 5, 3, 1 };
|
|
|
|
union X {
|
|
struct {
|
|
uint16_t a : 3;
|
|
union {
|
|
struct {
|
|
uint16_t b : 3;
|
|
uint16_t c : 3;
|
|
};
|
|
uint16_t d;
|
|
};
|
|
};
|
|
uint16_t e;
|
|
} x = { 4, {5, 6} };
|
|
|
|
|
|
udiv_t div3(udiv_t u)
|
|
{
|
|
udiv_t v = {};
|
|
|
|
u.quot = 341 + u.quot;
|
|
u.rem = 1 + u.rem;
|
|
|
|
v = u;
|
|
|
|
return v;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
udiv_t v = { 141, 32 };
|
|
big_t b = { 141, 32 };
|
|
|
|
v = div3(*(udiv_t*)&b);
|
|
|
|
printf("%d %d %d\n", (int)wwqq.a, wwqq.x[0].b, wwqq.x[0].c);
|
|
printf("%d %d %d\n", (int)wwqq.a, wwqq.x[1].b, wwqq.x[1].c);
|
|
printf("quot = %u, rem = %u\n", div3(v).quot, div3(v).rem);
|
|
printf("quot = %u, rem = %u\n", v.quot, v.rem);
|
|
printf("quot = %u, rem = %u\n", b.quot, b.rem);
|
|
printf("g.a = %u, g.b = %u, g.c = %d\n", g.a, g.b, g.c);
|
|
x.e = 1467;
|
|
printf("x.a = %d, x.b = %d, x.c = %d\n", x.a, x.b, x.c);
|
|
printf("(long)x.b = %ld, sizeof(x) = %u, sizeof((long)x.a) = %u\n", (long)x.b, sizeof(x), sizeof((long)x.a));
|
|
printf("-x.d = %d, (long)(-x.c + 1) = %ld\n", -x.d, (long)(-x.c + 1));
|
|
printf("h.a = %u, h.b = %u, h.c = %u\n", h.a, h.b, h.c);
|
|
|
|
return 0;
|
|
}
|