What is the gcc option which reorders the variables' address?

[John Love-Jensen]

Hi Leo,

> I would like to obtain just variable reordering, not all "-O2"
> package; reading in the gcc manual, I singularly tried with all
> options in "-O2" but no one reorders the variables.

What do you mean by that?

Do you mean that use used -O2 and then disabled all-but-one of the
optimizations (of those optimizations that are toggle-able through -f
switches)?

--Eljay