alt Hacker NewsCode size (and branch table entries) are not free, of course. The other thing to note is that trapping operators often need to trap precisely which can lead to missed optimizations.
Code size (and branch table entries) are not free, of course. The other thing to note is that trapping operators often need to trap precisely which can lead to missed optimizations.
One example of such an optimization is that overflow checking can prevent vectorization of code.
See for example this post: https://lemire.me/blog/2016/12/06/dont-assume-that-safety-co.... It is ancient, but I don’t see a reason why it would have become outdated.