[Bug tree-optimization/40921] missed optimization: x + (-y * z * z) => x - y * z * z

joseph at codesourcery dot com gcc-bugzilla@gcc.gnu.org
Thu Jul 30 23:45:00 GMT 2009



------- Comment #1 from joseph at codesourcery dot com  2009-07-30 23:45 -------
Subject: Re:   New: missed optimization: x +
 (-y * z * z) => x - y * z * z

Note that -frounding-math should disable the proposed optimization.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40921



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