Re: gcc inlining heuristics was Re: [PATCH -v7][RFC]: mutex: implement adaptive spinning

Linus Torvalds
2009-01-12T00:21:03Z

On Mon, 12 Jan 2009, Andi Kleen wrote:
>
> so at least least for this case it works. Your case also doesn't work
> for me. So it looks like gcc didn't like something you did in your test
> program.

I very intentionally used _different_ types.

If you use the same type, gcc will apparenrly happily say "hey, I can
combine two variables of the same type with different liveness into the
same variable".

But that's not the interesting case.

Linus