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[Bug optimization/9567] Using struct fields produces worse code than stand-alone vars.
- From: "falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 May 2003 06:58:15 -0000
- Subject: [Bug optimization/9567] Using struct fields produces worse code than stand-alone vars.
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9567
falk@debian.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |WAITING
------- Additional Comments From falk@debian.org 2003-05-26 06:58 -------
Please provide a test case that doesn't have undefined behaviour. gcc
has to do alias analysis to determine whether dest might point to src.
It can't do that properly if you use uninitialized variables.
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