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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
int foo(unsigned int x)
{
#if __SIZEOF_INT__ == 4
return __builtin_popcount (__builtin_bswap32(x));
#elif __SIZEOF_INT__ == 2
return __builtin_popcount (__builtin_bswap16(x));
#else
return x;
#endif
}
int bar(unsigned long x)
{
#if __SIZEOF_LONG__ == 8
return __builtin_popcountl (__builtin_bswap64(x));
#elif __SIZEOF_LONG__ == 4
return __builtin_popcountl (__builtin_bswap32(x));
#else
return x;
#endif
}
int baz(unsigned long long x)
{
#if __SIZEOF_LONG_LONG__ == 8
return __builtin_popcountll (__builtin_bswap64(x));
#elif __SIZEOF_LONG_LONG__ == 4
return __builtin_popcountll (__builtin_bswap32(x));
#else
return x;
#endif
}
/* { dg-final { scan-tree-dump-not "bswap" "optimized" } } */
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