1 /* PR tree-optimization/63302 */
2 
3 #ifdef __SIZEOF_INT128__
4 #if __SIZEOF_INT128__ * __CHAR_BIT__ == 128
5 #define USE_INT128
6 #endif
7 #endif
8 #if __SIZEOF_LONG_LONG__ * __CHAR_BIT__ == 64
9 #define USE_LLONG
10 #endif
11 
12 #ifdef USE_INT128
13 __attribute__((noinline, noclone)) int
foo(__int128 x)14 foo (__int128 x)
15 {
16   __int128 v = x & (((__int128) -1 << 63) | 0x7ff);
17 
18   return v == 0 || v == ((__int128) -1 << 63);
19 }
20 #endif
21 
22 #ifdef USE_LLONG
23 __attribute__((noinline, noclone)) int
bar(long long x)24 bar (long long x)
25 {
26   long long v = x & (((long long) -1 << 31) | 0x7ff);
27 
28   return v == 0 || v == ((long long) -1 << 31);
29 }
30 #endif
31 
32 int
main()33 main ()
34 {
35 #ifdef USE_INT128
36   if (foo (0) != 1
37       || foo (1) != 0
38       || foo (0x800) != 1
39       || foo (0x801) != 0
40       || foo ((__int128) 1 << 63) != 0
41       || foo ((__int128) -1 << 63) != 1
42       || foo (((__int128) -1 << 63) | 1) != 0
43       || foo (((__int128) -1 << 63) | 0x800) != 1
44       || foo (((__int128) -1 << 63) | 0x801) != 0)
45     __builtin_abort ();
46 #endif
47 #ifdef USE_LLONG
48   if (bar (0) != 1
49       || bar (1) != 0
50       || bar (0x800) != 1
51       || bar (0x801) != 0
52       || bar (1LL << 31) != 0
53       || bar (-1LL << 31) != 1
54       || bar ((-1LL << 31) | 1) != 0
55       || bar ((-1LL << 31) | 0x800) != 1
56       || bar ((-1LL << 31) | 0x801) != 0)
57     __builtin_abort ();
58 #endif
59   return 0;
60 }
61