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by njohnson41
3958 days ago
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You can convey some of that information to the compiler by using __builtin_unreachable(), e.g.: #define ASSUME(x) if(!(x))__builtin_unreachable()
This is compiler-specific, of course, and introduces undefined behavior if the assumption is violated. There's also no guarantee that the compiler will use the information well. But, it's almost guaranteed to not generate any extra code based on it. |
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