1 /* { dg-do run { target powerpc*-*-* } } */
2 /* { dg-options "-O2 -std=gnu99" } */
3
4 extern void abort (void);
5
6 static unsigned char bytes[] = { 0, 1, 2, 0x80, 0xff };
7
b16a(unsigned short * p)8 unsigned short b16a (unsigned short *p) { return __builtin_bswap16 (*p); }
b16b(unsigned short * p,unsigned short a)9 void b16b (unsigned short *p, unsigned short a) { *p = __builtin_bswap16 (a); }
b16c(unsigned short a)10 int b16c (unsigned short a) { return __builtin_bswap16 (a); }
11
b32a(unsigned int * p)12 unsigned int b32a (unsigned int *p) { return __builtin_bswap32 (*p); }
b32b(unsigned int * p,unsigned int a)13 void b32b (unsigned int *p, unsigned int a) { *p = __builtin_bswap32 (a); }
b32c(unsigned int a)14 static unsigned int b32c (unsigned int a) { return __builtin_bswap32 (a); }
15
b64a(unsigned long long * p)16 unsigned long long b64a (unsigned long long *p) { return __builtin_bswap64 (*p); }
b64b(unsigned long long * p,unsigned long long a)17 void b64b (unsigned long long *p, unsigned long long a) { *p = __builtin_bswap64 (a); }
b64c(unsigned long long a)18 unsigned long long b64c (unsigned long long a) { return __builtin_bswap64 (a); }
19
20 int
main(void)21 main (void)
22 {
23 unsigned i1, i2, i3, i4, i5;
24 unsigned b1, b2, b3, b4, b5;
25 unsigned short b16_inp, b16_exp, b16_var;
26 unsigned int b32_inp, b32_exp, b32_var;
27 unsigned long long b64_inp, b64_exp, b64_var;
28
29 for (i1 = 0; i1 < sizeof (bytes); i1++)
30 {
31 b1 = bytes[i1];
32 for (i2 = 0; i2 < sizeof (bytes); i2++)
33 {
34 b2 = bytes[i2];
35 b16_inp = (b1 << 8) | b2;
36 b16_exp = (b2 << 8) | b1;
37
38 if (b16a (&b16_inp) != b16_exp)
39 abort ();
40
41 b16b (&b16_var, b16_inp);
42 if (b16_var != b16_exp)
43 abort ();
44
45 if (b16c (b16_inp) != b16_exp)
46 abort ();
47
48 for (i3 = 0; i3 < sizeof (bytes); i3++)
49 {
50 b3 = bytes[i3];
51 for (i4 = 0; i4 < sizeof (bytes); i4++)
52 {
53 b4 = bytes[i4];
54 b32_inp = (b1 << 24) | (b2 << 16) | (b3 << 8) | b4;
55 b32_exp = (b4 << 24) | (b3 << 16) | (b2 << 8) | b1;
56
57 if (b32a (&b32_inp) != b32_exp)
58 abort ();
59
60 b32b (&b32_var, b32_inp);
61 if (b32_var != b32_exp)
62 abort ();
63
64 if (b32c (b32_inp) != b32_exp)
65 abort ();
66
67 for (i5 = 0; i5 < sizeof (bytes); i5++)
68 {
69 b5 = bytes[i5];
70 b64_inp = (((unsigned long long)b32_inp) << 32) | b5;
71 b64_exp = (((unsigned long long)b5) << 56) | b32_exp;
72
73 if (b64a (&b64_inp) != b64_exp)
74 abort ();
75
76 b64b (&b64_var, b64_inp);
77 if (b64_var != b64_exp)
78 abort ();
79
80 if (b64c (b64_inp) != b64_exp)
81 abort ();
82
83 b64_inp = (((unsigned long long)b5) << 56) | b32_inp;
84 b64_exp = (((unsigned long long)b32_exp) << 32) | b5;
85
86 if (b64a (&b64_inp) != b64_exp)
87 abort ();
88
89 b64b (&b64_var, b64_inp);
90 if (b64_var != b64_exp)
91 abort ();
92
93 if (b64c (b64_inp) != b64_exp)
94 abort ();
95 }
96 }
97 }
98 }
99 }
100
101 return 0;
102 }
103