Function npy_bswap4

numpy/core/src/common/lowlevel_strided_loops.h:495–504

}

static inline npy_uint32
npy_bswap4(npy_uint32 x)
{
#ifdef HAVE___BUILTIN_BSWAP32
    return __builtin_bswap32(x);
#else
    return ((x & 0xffu) << 24) | ((x & 0xff00u) << 8) |
           ((x & 0xff0000u) >> 8) | (x >> 24);
#endif
}

static inline void
npy_bswap4_unaligned(char * x)