liveness analysis with stack slots

[Andrew Haley]

Maurizio Vitale writes:
 > 
> 
 > Can somebody shed some light on this and hint at why GCC (and the
 > Intel compiler) decide that they cannot remove that code?

It would be easy for us to do so if you provided a test case.  Without
one it's impossible.  It doesn't look to me like the expression is
totally dead, but without the source I can't tell.

 > I remember a few years ago GCC had problems with liveness analysis w/
 > stack slots. Is that still the case?

I don't think so.

Andrew.