Viewing file:  fold-eqbswap-1.c (1.72 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
int test1(int x, int y)
{
#if __SIZEOF_INT__ == 4
return __builtin_bswap32(x) == __builtin_bswap32(y);
#else
return x == y;
#endif
}
int test2(int x, int y)
{
#if __SIZEOF_INT__ == 4
return __builtin_bswap32(x) != __builtin_bswap32(y);
#else
return x != y;
#endif
}
int test3(int x)
{
#if __SIZEOF_INT__ == 4
return __builtin_bswap32(x) == 12345;
#else
return x;
#endif
}
int test4(int x)
{
#if __SIZEOF_INT__ == 4
return __builtin_bswap32(x) != 12345;
#else
return x;
#endif
}
int test1ll(long long x, long long y)
{
#if __SIZEOF_LONG_LONG__ == 8
return __builtin_bswap64(x) == __builtin_bswap64(y);
#else
return x == y;
#endif
}
int test2ll(long long x, long long y)
{
#if __SIZEOF_LONG_LONG__ == 8
return __builtin_bswap64(x) != __builtin_bswap64(y);
#else
return x != y;
#endif
}
int test3ll(long long x)
{
#if __SIZEOF_LONG_LONG__ == 8
return __builtin_bswap64(x) == 12345;
#else
return (int)x;
#endif
}
int test4ll(long long x)
{
#if __SIZEOF_LONG_LONG__ == 8
return __builtin_bswap64(x) != 12345;
#else
return (int)x;
#endif
}
int test1s(short x, short y)
{
#if __SIZEOF_SHORT__ == 2
return __builtin_bswap16(x) == __builtin_bswap16(y);
#else
return x == y;
#endif
}
int test2s(short x, short y)
{
#if __SIZEOF_SHORT__ == 2
return __builtin_bswap16(x) != __builtin_bswap16(y);
#else
return x != y;
#endif
}
int test3s(short x)
{
#if __SIZEOF_SHORT__ == 2
return __builtin_bswap16(x) == 12345;
#else
return (int)x;
#endif
}
int test4s(short x)
{
#if __SIZEOF_SHORT__ == 2
return __builtin_bswap16(x) != 12345;
#else
return (int)x;
#endif
}
/* { dg-final { scan-tree-dump-times "__builtin_bswap" 0 "optimized" } } */
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