[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[steven at gcc dot gnu dot org]

------- Additional Comments From steven at gcc dot gnu dot org  2005-09-30 
22:29 -------
For AMD64, the functions from the first test case don't produce the 
same code either, so combine is not catching this either. 
 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348