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Re: Tree SSA measurement in CSiBE
- From: Joe Buck <Joe dot Buck at synopsys dot COM>
- To: Gábor Lóki <loki at inf dot u-szeged dot hu>
- Cc: s dot bosscher at student dot tudelft dot nl,Arpad Beszedes <beszedes at inf dot u-szeged dot hu>, gcc at gcc dot gnu dot org,dnovillo at redhat dot com
- Date: Thu, 15 Jan 2004 09:53:26 -0800
- Subject: Re: Tree SSA measurement in CSiBE
- References: <40069EFC.408@inf.u-szeged.hu>
On Thu, Jan 15, 2004 at 03:09:00PM +0100, Gábor Lóki wrote:
> > > > Are you compiling with checking disabled?
> > >
> > > We use only the -Os or -O2 switches. Is this ok?
> >
> > Depends on how you configured the compiler ;-)
>
> We don't use --disable-checking flag for configure,
> neither for mainline nor for tree-ssa.
Then your comparison is broken. When shipped, --disable-checking will
be the default, so you're making tree-ssa look slower than it is.
The repeated consistency checks are only intended to be present during
development.