[Bug rtl-optimization/20367] alias analysis doesn't take into account that variables that haven't their address taken can't alias arbitrary MEMs

[dberlin at dberlin dot org]

------- Additional Comments From dberlin at gcc dot gnu dot org  2005-08-02 22:19 -------
Subject: Re:  alias analysis doesn't take into
	account that variables that haven't their address taken can't alias
	arbitrary MEMs

On Tue, 2005-08-02 at 19:19 +0000, amylaar at gcc dot gnu dot org wrote:
> ------- Additional Comments From amylaar at gcc dot gnu dot org  2005-08-02 19:19 -------
> (In reply to comment #20)
>  
> > The improved aliasing was not reverted though which is what gets most of the
> improvements and not 
> > the promote statics pass.
> 
> The scheduling testcase still suffers from insufficient alias information.

And it will until all of the info about what variables, etc, we have is
kept through scheduling.




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20367