------- Comment #14 from hjl dot tools at gmail dot com  2010-04-26 18:54 
-------
It is caused by revision 131576:

http://gcc.gnu.org/ml/gcc-cvs/2008-01/msg00337.html


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.4/4.5/4.6 Regression]    |[4.4/4.5/4.6 Regression]
                   |Performance degradation for |Performance degradation for
                   |simple fibonacci numbers    |simple fibonacci numbers
                   |calculation due to extra    |calculation
                   |stack alignment             |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43884

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