[Bug target/35658] [4.3/4.4 regression] Bad interaction on ia64 between -funroll-loops -fno-automatic -O2 and common block variable

["sje at cup dot hp dot com" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #6 from sje at cup dot hp dot com  2008-05-23 15:02 -------
It looks like this is a bug in register renaming.  register renaming is turned
on by -floop-unroll.  You can reproduce the bug using -frename-registers in
place of -funroll-loops.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35658

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