This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [patch][cprop.c] Allow splitting of critical edges to expose implicit sets
- From: Jeff Law <law at redhat dot com>
- To: Steven Bosscher <stevenb dot gcc at gmail dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Guenther <richard dot guenther at gmail dot com>
- Date: Mon, 04 Apr 2011 12:14:34 -0600
- Subject: Re: [patch][cprop.c] Allow splitting of critical edges to expose implicit sets
- References: <AANLkTinvAgZ-PVD87Dj7uOpJKj_nQS-pmM3jB=HgZ7LP@mail.gmail.com>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 04/01/11 07:55, Steven Bosscher wrote:
> Hi,
>
> With this patch, it is OK for find_implicit_sets to split an edge if
> that makes it possible to record an implicit set on that edge. This is
> possible and cheap now because CPROP runs in cfglayout mode.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu. Shaves off ~1kb
> of cc1, which isn't very much but still kind of nice.
OK.
jeff
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/
iQEcBAEBAgAGBQJNmgqKAAoJEBRtltQi2kC760oH/A+4A5rbGMQfgzupMuO0rs/a
GtK9o9nSMTbZiQf1qpcKNajAulg55F4C7wRHDkaLIQ03qkmjmoxiSfEh7KAU7bz+
sfjgp42j/WiMOWFH6+fgOoLcMU8LIW+moRq+17oApPiyQRv7w6AioOcBdsroU9AC
ElCHtjopSyz+jgAcGxNVSJLEesrLgJkGVJL5bSQ8ehpLtusaE1E6pmcgd3OVPu9n
ioRNsqhK8mp4eY7acjCLkDqeqr3Z2Ifa7EWyjBK6NmjMWHXCCXA30tC7O4Dxj1r6
1dv4h+Bl5eVyFV3QdDlqqpYnSsILtpS2Q6wgcjOLSVJch04r1Hqs86geX0cMJic=
=LAKB
-----END PGP SIGNATURE-----