This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [RFC] Remove -freorder-blocks-and-partition
- From: Jan Hubicka <hubicka at ucw dot cz>
- To: Xinliang David Li <davidxl at google dot com>
- Cc: Jan Hubicka <hubicka at ucw dot cz>, Paolo Bonzini <bonzini at gnu dot org>, Richard Henderson <rth at redhat dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, tglek at mozilla dot com
- Date: Thu, 4 Aug 2011 15:39:22 +0200
- Subject: Re: [RFC] Remove -freorder-blocks-and-partition
- References: <4E25F810.6050904@redhat.com> <CAAkRFZJHvze3gyd6xxLV3KVeDsgfacA-AV-gL6TkvOFYey4f=g@mail.gmail.com> <4E2D4425.9040104@gnu.org> <CAAkRFZLK8GsbVAbproRrfSF4ZwL-c3uhReMnVQwGW9bsWCww7A@mail.gmail.com> <20110803210614.GE22893@atrey.karlin.mff.cuni.cz> <CAAkRFZKq_BDo4bA3nVOQwPtns_38pMQ0J0tzdRk1gV9hjuj4ug@mail.gmail.com>
Also on the oriignal topic, Iknow that Mozlla folks experimented with this
switch (and I do expect it should make noticeable reducion in the hot section
footprint that is important for them). They are not using it at the moment
because of problems with their bug reporting tool not being able to do unwind
info for split functions.
Taras, do you have any data if the partitioning helps?
Honza