[Bug rtl-optimization/26847] [4.2 Regression] Missed optimization in simplify_plus_minus

[bonzini at gnu dot org]

------- Comment #3 from bonzini at gnu dot org  2006-08-11 09:15 -------
Created an attachment (id=12062)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12062&action=view)
patch being tested


Tested so far by checking that it makes PR28651 resurface...

Being bootstrapped and tested on i686-pc-linux-gnu.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26847