This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: random thought - optimizer
- To: dan at cgsoftware dot com (Daniel Berlin)
- Subject: Re: random thought - optimizer
- From: Joe Buck <jbuck at synopsys dot COM>
- Date: Tue, 3 Jul 2001 11:02:29 -0700 (PDT)
- Cc: jbuck at synopsys dot com (Joe Buck), law at redhat dot com, amylaar at redhat dot com (Joern Rennecke), mark at codesourcery dot com (Mark Mitchell), zackw at stanford dot edu (Zack Weinberg), gcc at gcc dot gnu dot org (gcc at gcc dot gnu dot org)
> Dead store elimination is pretty easy in SSA form, but I usually see
> it seperate than DCE.
>
> In fact, SSA-DS looks something like this:
I know how it works. The issue has always been that GCC makes decisions
too early and then loses track. If we now have the infrastructure to fix
it, terrific.