modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr56866.c (about) 1 /* PR target/56866 */ 2 3 int 4 main () 5 { 6 #if __CHAR_BIT__ == 8 && __SIZEOF_LONG_LONG__ == 8 && __SIZEOF_INT__ == 4 && __SIZEOF_SHORT__ == 2 7 unsigned long long wq[256], rq[256]; 8 unsigned int wi[256], ri[256]; 9 unsigned short ws[256], rs[256]; 10 unsigned char wc[256], rc[256]; 11 int t; 12 13 __builtin_memset (wq, 0, sizeof wq); 14 __builtin_memset (wi, 0, sizeof wi); 15 __builtin_memset (ws, 0, sizeof ws); 16 __builtin_memset (wc, 0, sizeof wc); 17 wq[0] = 0x0123456789abcdefULL; 18 wi[0] = 0x01234567; 19 ws[0] = 0x4567; 20 wc[0] = 0x73; 21 22 asm volatile ("" : : "g" (wq), "g" (wi), "g" (ws), "g" (wc) : "memory"); 23 24 for (t = 0; t < 256; ++t) 25 rq[t] = (wq[t] >> 8) | (wq[t] << (sizeof (wq[0]) * __CHAR_BIT__ - 8)); 26 for (t = 0; t < 256; ++t) 27 ri[t] = (wi[t] >> 8) | (wi[t] << (sizeof (wi[0]) * __CHAR_BIT__ - 8)); 28 for (t = 0; t < 256; ++t) 29 rs[t] = (ws[t] >> 9) | (ws[t] << (sizeof (ws[0]) * __CHAR_BIT__ - 9)); 30 for (t = 0; t < 256; ++t) 31 rc[t] = (wc[t] >> 5) | (wc[t] << (sizeof (wc[0]) * __CHAR_BIT__ - 5)); 32 33 asm volatile ("" : : "g" (rq), "g" (ri), "g" (rs), "g" (rc) : "memory"); 34 35 if (rq[0] != 0xef0123456789abcdULL || rq[1]) 36 __builtin_abort (); 37 if (ri[0] != 0x67012345 || ri[1]) 38 __builtin_abort (); 39 if (rs[0] != 0xb3a2 || rs[1]) 40 __builtin_abort (); 41 if (rc[0] != 0x9b || rc[1]) 42 __builtin_abort (); 43 #endif 44 return 0; 45 }