kit

kit
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i128_09_call_return.c (335B)

      1 typedef unsigned __int128 u128;
      2 
      3 static u128 add128(u128 a, u128 b) { return a + b; }
      4 
      5 static int low_byte(u128 x) { return (int)(x & 255); }
      6 
      7 int test_main(void) {
      8   u128 a = ((u128)1 << 80) + 40;
      9   u128 b = ((u128)2 << 80) + 7;
     10   u128 c = add128(a, b);
     11   if ((unsigned long long)(c >> 80) != 3ULL) return 11;
     12   return low_byte(c);
     13 }