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Re: [vta] Port of r148760 to vta branch
- From: Alexandre Oliva <aoliva at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Wed, 01 Jul 2009 02:56:08 -0300
- Subject: Re: [vta] Port of r148760 to vta branch
- References: <20090626135351.GM4462@tyan-ft48-01.lab.bos.redhat.com>
On Jun 26, 2009, Jakub Jelinek <jakub@redhat.com> wrote:
> Here is a port of the r148760 trunk commit to vta branch, on top of the
> patch I've posted yesterday.
This patch is ok for VTA and VTA4.4 branches, thanks.
> On the HTML401F.class testcase from x86_64-linux bootstrap the
> compile times and maximum memory usage are:
> maxVIRT maxRSS TIME
> vanilla VTA 2973004 2880412 24:47
> VTA with 1st patch 2972964 2880396 18:54
> VTA with both patches 1696492 1603936 17:55
Wow!
> There are some small differences in debuginfo generated by this patch, but
> they don't look wrong to me.
Agreed, this kind of change is fine:
> It is mainly preferring variable objects from the former dst set
> (i.e. one where we accumulate merges into) instead of from src (the bb
> we are merging into it).
--
Alexandre Oliva, freedom fighter http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/ FSF Latin America board member
Free Software Evangelist Red Hat Brazil Compiler Engineer