[Bug optimization/9567] Using struct fields produces worse code than stand-alone vars.

falk@debian.org gcc-bugzilla@gcc.gnu.org
Mon May 26 07:15:00 GMT 2003


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9567


falk@debian.org changed:

           What    |Removed                     |Added
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             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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