[Bug middle-end/25530] (unsigned / 2)*2 is not changed into unsigned &~1

[phython at gcc dot gnu dot org]

------- Comment #1 from phython at gcc dot gnu dot org  2006-03-29 05:32 -------
Created an attachment (id=11148)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=11148&action=view)
prelimiinary patch

 This patch bootstraps, but I'm not sure if it causes testsuite regressions. 
It triggers in 36 different places during a bootstrap and 1319 times during a
bootstrap.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25530