[PATCH] Improve PR29433, don't duplicate identifier names in dwarf2out

Richard Guenther rguenther@suse.de
Thu Nov 30 22:51:00 GMT 2006


On Thu, 30 Nov 2006, Richard Guenther wrote:

> On Thu, 30 Nov 2006, Andrew Pinski wrote:
> 
> > On Thu, 2006-11-30 at 17:18 +0100, Richard Guenther wrote:
> > > This patch changes dwarf2out.c to not duplicate the strings in
> > > identifier nodes as these are collected in an obstack that is never freed.
> > > dwarf2out.c never frees any of the xstrduped stuff either.
> > > 
> > > This brings compile-time memory usage of PR29433 with -O0 -g down from
> > > 3.9GB to 2.5GB which is about the same as for a -O0 compile.  (See the
> > > C++ patch for PR29433 on how to bring this down to around 400MB).
> > > 
> > > Bootstrapped on x86_64-unknown-linux-gnu, tests still running.
> > > 
> > > Ok for mainline if they pass?

Btw, testing finished ok as expected.

Richard.



More information about the Gcc-patches mailing list