1#ifdef __UINT64_TYPE__ 2typedef __UINT64_TYPE__ uint64_t; 3#else 4typedef unsigned long long uint64_t; 5#endif 6 7#ifndef __SIZEOF_INT128__ 8#define __int128 long long 9#endif 10 11/* Some version of bswap optimization would ICE when analyzing a mask constant 12 too big for an uint64_t variable (PR210931). */ 13 14__attribute__ ((noinline, noclone)) uint64_t 15uint128_central_bitsi_ior (unsigned __int128 in1, uint64_t in2) 16{ 17 __int128 mask = (__int128)0xffff << 56; 18 return ((in1 & mask) >> 56) | in2; 19} 20 21int 22main(int argc, char **argv) 23{ 24 __int128 in = 1; 25#ifdef __SIZEOF_INT128__ 26 in <<= 64; 27#endif 28 if (sizeof (uint64_t) * __CHAR_BIT__ != 64) 29 return 0; 30 if (sizeof (unsigned __int128) * __CHAR_BIT__ != 128) 31 return 0; 32 if (uint128_central_bitsi_ior (in, 2) != 0x102) 33 __builtin_abort (); 34 return 0; 35} 36