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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* Test for integer promotion rules: extended to long long by C99. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
#include <limits.h>
#define CHECK(T1, T2, TC) \
do { \
T1 a = 0; \
T2 b = 0; \
TC *c = 0; \
__typeof__(a+b) *d = 0; \
c = d; \
d = c; \
} while (0)
void
f (void)
{
/* Same type. */
CHECK(int, int, int);
CHECK(unsigned int, unsigned int, unsigned int);
CHECK(long, long, long);
CHECK(unsigned long, unsigned long, unsigned long);
CHECK(long long, long long, long long);
CHECK(unsigned long long, unsigned long long, unsigned long long);
/* Both signed. */
CHECK(int, long, long);
CHECK(int, long long, long long);
CHECK(long, int, long);
CHECK(long, long long, long long);
CHECK(long long, int, long long);
CHECK(long long, long, long long);
/* Both unsigned. */
CHECK(unsigned int, unsigned long, unsigned long);
CHECK(unsigned int, unsigned long long, unsigned long long);
CHECK(unsigned long, unsigned int, unsigned long);
CHECK(unsigned long, unsigned long long, unsigned long long);
CHECK(unsigned long long, unsigned int, unsigned long long);
CHECK(unsigned long long, unsigned long, unsigned long long);
/* Unsigned of greater or equal rank. */
CHECK(int, unsigned int, unsigned int);
CHECK(int, unsigned long, unsigned long);
CHECK(int, unsigned long long, unsigned long long);
CHECK(unsigned int, int, unsigned int);
CHECK(long, unsigned long, unsigned long);
CHECK(long, unsigned long long, unsigned long long);
CHECK(unsigned long, int, unsigned long);
CHECK(unsigned long, long, unsigned long);
CHECK(long long, unsigned long long, unsigned long long);
CHECK(unsigned long long, int, unsigned long long);
CHECK(unsigned long long, long, unsigned long long);
CHECK(unsigned long long, long long, unsigned long long);
/* Signed of greater rank. */
#if LONG_MAX >= UINT_MAX
CHECK(unsigned int, long, long);
CHECK(long, unsigned int, long);
#else
CHECK(unsigned int, long, unsigned long);
CHECK(long, unsigned int, unsigned long);
#endif
#if LLONG_MAX >= UINT_MAX
CHECK(unsigned int, long long, long long);
CHECK(long long, unsigned int, long long);
#else
CHECK(unsigned int, long long, unsigned long long);
CHECK(long long, unsigned int, unsigned long long);
#endif
#if LLONG_MAX >= ULONG_MAX
CHECK(unsigned long, long long, long long);
CHECK(long long, unsigned long, long long);
#else
CHECK(unsigned long, long long, unsigned long long);
CHECK(long long, unsigned long, unsigned long long);
#endif
}
|
