This is the mail archive of the
mailing list for the GCC project.
Re: GCSE store motion
- From: law at redhat dot com
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Roger Sayle <roger at eyesopen dot com>, Daniel Berlin <dberlin at dberlin dot org>, gcc at gcc dot gnu dot org, Mark Mitchell <mark at codesourcery dot com>, "David S. Miller" <davem at redhat dot com>, Andreas Jaeger <aj at suse dot de>, Richard Henderson <rth at redhat dot com>
- Date: Wed, 15 May 2002 11:40:25 -0600
- Subject: Re: GCSE store motion
- Reply-to: law at redhat dot com
In message <200205151706.NAA23886@makai.watson.ibm.com>, David Edelsohn writes:
> Maybe we should rearrange the disabling so that toplev.c defaults
> flag_gcse_sm to 0 instead of disabling the optimization in gcse.c itself.
> Then this file in glibc could be compiled with -fgcse-sm in the one
> instance it has been shown to be useful.
> When store motion shows performance improvement across a wider
> range of applications, then we can enable that optimization by default.
Seems reasonable to me.