This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Where is rd_gen computed in gcse.c
- From: law at redhat dot com
- To: Michael Matz <matz at suse dot de>
- Cc: Steven Bosscher <stevenb at suse dot de>, gcc at gcc dot gnu dot org
- Date: Mon, 10 May 2004 10:21:08 -0600
- Subject: Re: Where is rd_gen computed in gcse.c
- Reply-to: law at redhat dot com
In message <Pine.LNX.4.58.0405100903020.22722@wotan.suse.de>, Michael Matz writ
es:
>Note that rd_gen and friends are only used for classic GCSE (not LCM
>based) which only is used when optimize_size. But in that case it indeed
>doesn't do much ;) And noone noticed. An argument for ripping out the
>classic GCSE stuff without second thought.
Actually I noticed some time ago and I believe even pointed it out to the
gcc list. However, I never found the time to go fix things.
I wouldn't lose a huge amount of sleep if the old classic GCSE algorithm
went away and we just didn't bother with GCSE at all when optimizing for
size.
jeff