| unsigned short __cdecl _byteswap_ushort(unsigned short _Short); |
| |
| unsigned short __cdecl _byteswap_ushort(unsigned short _Short) |
| { |
| #if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) |
| unsigned short retval; |
| __asm__ __volatile__ ("rorw $8, %w[retval]" : [retval] "=rm" (retval) : "[retval]" (_Short)); |
| return retval; |
| #else |
| unsigned char *b = (void*)&_Short; |
| unsigned char tmp; |
| tmp = b[0]; |
| b[0] = b[1]; |
| b[1] = tmp; |
| return _Short; |
| #endif /* defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) */ |
| } |
