This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [tree-ssa] live analysis on local static functions

From: Diego Novillo <dnovillo at redhat dot com>
To: Jan Hubicka <hubicka at ucw dot cz>
Cc: Jan Hubicka <jh at suse dot cz>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, Richard Henderson <rth at redhat dot com>
Date: Tue, 14 Oct 2003 12:58:12 -0400
Subject: Re: [tree-ssa] live analysis on local static functions
Organization: Red Hat Canada
References: <20031014161010.GH6212@kam.mff.cuni.cz> <1066149434.1214.77.camel@frodo.toronto.redhat.com> <20031014164618.GB11582@atrey.karlin.mff.cuni.cz>

On Tue, 2003-10-14 at 12:46, Jan Hubicka wrote:

> Should be there a link when the initialization happens outside the
> function?
>
No.

> No VDEFs are emit for static initailizers.
> There is VUSE <a_1> but as I've explained earlier it points to SSA_NAME
> so we don't set tree-used flag on the original.
> 
Ah, so this is not happening after DCE, after all.  Sorry about that. 
Are you getting this on the way out of SSA?  The removal of "useless"
statements may need to be taught not to remove static initializers.


Diego.

References:
- [tree-ssa] live analysis on local static functions
  - From: Jan Hubicka
- Re: [tree-ssa] live analysis on local static functions
  - From: Diego Novillo
- Re: [tree-ssa] live analysis on local static functions
  - From: Jan Hubicka

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]