C++ inlining of references

[Andrew Haley]

On 21/03/17 09:25, Ioi Lam wrote:
> Because the common header modifies 2 variables, there's no easy way to 
> pass them back easily. So I pass them as references to the inline function.
> 
> Can I expect modern C++ compilers to always generate equally optimal 
> code for the before/after cases?

Yes.  Note that there is unlikely to be any advantage to a reference
over taking the address of a variable, because they get lowered to the
same thing anyway.  Use whatever is easiest for people to read.

Andrew.