[Bug optimization/12287] New: Assembler warnings when building with -O2

["d92-jwa at nada dot kth dot se" <gcc-bugzilla at gcc dot gnu dot org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12287

           Summary: Assembler warnings when building with -O2
           Product: gcc
           Version: 3.2.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: d92-jwa at nada dot kth dot se
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: ia64-unknown-linux-gnu
  GCC host triplet: ia64-unknown-linux-gnu
GCC target triplet: ia64-unknown-linux-gnu

Reproduce thusly:
Build the program I'm about to attach with "gcc -O2 -c list.minimized.c".

Expected results:
The program should have built without warnings.

Actual results:
/tmp/ccBcMxH5.s: Assembler messages:
/tmp/ccBcMxH5.s:72: Warning: Use of 'mov' may violate WAW dependency 'GR%, % in
1 - 127' (impliedf), specific resource number is 14
/tmp/ccBcMxH5.s:70: Warning: This is the location of the conflicting usage
/tmp/ccBcMxH5.s:74: Warning: Use of 'mov' may violate WAW dependency 'GR%, % in
1 - 127' (impliedf), specific resource number is 15
/tmp/ccBcMxH5.s:73: Warning: This is the location of the conflicting usage