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Subject: [Bug target/39942] Nonoptimal code - leaveq; xchg   %ax,%ax; retq
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------- Comment #24 from hjl dot tools at gmail dot com  2009-05-13 18:45 -------
Using padding to avoid 4 branches in 16byte chunk may not be a good idea since
it will increase code size.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39942