3 ms·
Both clang and gcc expose it via the __[u]int128_t extension.
by stephencanon 8y ago
Both clang and gcc expose it via the __[u]int128_t extension.
- mmozeiko 8y agoMSVC also can do this with _mul128 intrinsic.
- jwilk 8y agoThat's how they did it indeed. They have also fallback code for when this the double-width integer type is not available. https://github.com/v8/v8/blob/6.8.137/src/objects/bigint.cc#L2289 https://github.com/v8/v8/blob/6.8.137/src/objects/bigint.cc#...