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Subject: [Bug middle-end/42574] [4.3/4.4/4.5 Regression] Address of global variable is calculated multiple times (missed CSE)
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------- Comment #2 from rguenth at gcc dot gnu dot org  2010-01-01 20:39 -------
I would say that at -Os we don't run RTL PRE?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42574