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/* Test __builtin_bswap64 . */
unsigned long long g(unsigned long long a) __attribute__((noinline));
unsigned long long g(unsigned long long a)
{
return __builtin_bswap64(a);
}
unsigned long long f(unsigned long long c)
{
union {
unsigned long long a;
unsigned char b[8];
} a, b;
a.a = c;
b.b[0] = a.b[7];
b.b[1] = a.b[6];
b.b[2] = a.b[5];
b.b[3] = a.b[4];
b.b[4] = a.b[3];
b.b[5] = a.b[2];
b.b[6] = a.b[1];
b.b[7] = a.b[0];
return b.a;
}
int main(void)
{
unsigned long long i;
/* The rest of the testcase assumes 8 byte long long. */
if (sizeof(i) != sizeof(char)*8)
return 0;
if (f(0x12) != g(0x12))
__builtin_abort();
if (f(0x1234) != g(0x1234))
__builtin_abort();
if (f(0x123456) != g(0x123456))
__builtin_abort();
if (f(0x12345678ull) != g(0x12345678ull))
__builtin_abort();
if (f(0x1234567890ull) != g(0x1234567890ull))
__builtin_abort();
if (f(0x123456789012ull) != g(0x123456789012ull))
__builtin_abort();
if (f(0x12345678901234ull) != g(0x12345678901234ull))
__builtin_abort();
if (f(0x1234567890123456ull) != g(0x1234567890123456ull))
__builtin_abort();
return 0;
}
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