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[Bug target/39942] Nonoptimal code - leaveq; xchg %ax,%ax; retq
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 May 2009 18:45:16 -0000
- Subject: [Bug target/39942] Nonoptimal code - leaveq; xchg %ax,%ax; retq
- References: <bug-39942-17483@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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