On Fri, Jul 8, 2011 at 7:25 PM, Jeff Law <l...@redhat.com> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > As detailed in the PR, improvements to jump threading caused the > relatively simple guard predicates in this testcase to become > significantly more complex. The predicate complexity is enough to > confuse the predicate-aware pruning of bogus uninitialized variable > warnings. > > Note the actual runtime flow control was improved by jump threading, > which was doing exactly what it should. > > Based on David's comments, it's unlikely the predicate-aware code in > tree-ssa-uninit.c is going to be able to handle the more complex guards. > So I'm turning off DOM (jump threading) for this testcase. > > OK for trunk?
Ok. Thanks, Richard. > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ > > iQEcBAEBAgAGBQJOFz2VAAoJEBRtltQi2kC7qMQH/2GMEXQrFZzWZev2Rd7CH20F > x7SsUDtkPW5K5pd1uLJOTsGh7fwr8l173n27GQVR5DN5OCLmoxWDrpsUeaMRd4bg > LcZun7h+NGSrqxna/LExs9PBNR1P9blh1X6/LCqmWuo8hIqJ5HDUDK6674iD4C8p > I71W25FYPgAno9Okm0UiBKOaZjRJdtfiZqMSgM9HreagYbHQcMYlcWsyc9irXM9b > oxkaFzM+Aq5ZxpulpD0NCJ4aGMe6u2+FymrsjbbrPfnB2y7MY1DklxA0L7NO893d > dxZ5N3Fi1adDsUP7Oh/0PNGQkB6HjDlAR6gV0oyUAamswn/Owo6lAYvQdNTMUAk= > =VYjS > -----END PGP SIGNATURE----- >
