This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: RFA: New pass to delete unexecutable paths in the CFG


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 11/07/11 03:21, Richard Guenther wrote:

> 
> Oh, and points-to plus DSE/DCE might confuse your pass as stores
> that points-to can prove go "nowhere" are removed.
I think this is OK in the sense that we may miss a case where we could
have detected a path was unexecutable, but that's just a missed
optimization, not a correctness issue.

jeff
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iQEcBAEBAgAGBQJOuCzaAAoJEBRtltQi2kC7LM8IAKKSRpunevuhIzZtpi3h+FFw
LYO0E4U0wrlif/eS8mgzkXbZnEolHIsZBoOJyAxwgbWKqt6SbnDQl93fv5t67TsK
EYNE2uXG84/2u88vx31nFXYAY9OKFj3Kt0RH64PjEsFYZ9qCYAHN4opL0kLToxrF
4dZ33TXZuOe/AAdL+Z1OZRntfYy2rJWf5O2QITsyYfrs0aFfoZkvm7RD3+Luwvks
XG6nUreLvq5dior8FCrBX3yjm1c/uOxuUaKtooWYwyF4T1pDxXDL2R/QgMQhsmBZ
jJiTZOXYbnjy1L9lf/PCENnd4cmcJeETyY8wuKeYjIwizcdh0yKpHEuIS0zlry8=
=ESJY
-----END PGP SIGNATURE-----


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]