[Bug optimization/13869] [tree-ssa] wrong code with a simple loop

law at redhat dot com gcc-bugzilla@gcc.gnu.org
Wed Feb 11 21:32:00 GMT 2004


------- Additional Comments From law at redhat dot com  2004-02-11 21:32 -------
Subject: Re:  [tree-ssa] wrong code with a simple loop 

In message <20040128212153.4623.qmail@sources.redhat.com>, "steven at gcc dot g
nu dot org" writes:
 >
 >------- Additional Comments From steven at gcc dot gnu dot org  2004-01-28 21
 >:21 -------
 >With optimization we also return 0 AFAICT. 
 >Something looks strange in DOM1, but the results look OK. 
 > 
 >After DCE1 we have the following tree: 
[ ... ]
BTW, with my changes from this afternoon, cc1plus will compile this code
down to a simple "return 0".

jeff



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13869



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