[LLVMbugs] [Bug 9713] New: -O3 -fplugin-arg-dragonegg-enable-gcc-optzns fails to compile protein.f90

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Apr 13 17:04:50 PDT 2011


           Summary: -O3 -fplugin-arg-dragonegg-enable-gcc-optzns fails to
                    compile protein.f90
           Product: dragonegg
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: New Bugs
        AssignedTo: baldrick at free.fr
        ReportedBy: howarth at nitro.med.uc.edu
                CC: llvmbugs at cs.uiuc.edu

The protein.f90 Polyhedron 2005 benchmark fails to compile with -O3
-fplugin-arg-dragonegg-enable-gcc-optzns  using dragonegg trunk svn at r129460
on x86_64-apple-darwin10. The compilation fails with the error...

[MacPro:pb05/lin/source] howarth% /sw/lib/gcc4.5/bin/gfortran
-fplugin=/sw/lib/gcc4.5/lib/dragonegg.so -O3
-fplugin-arg-dragonegg-enable-gcc-optzns protein.f90 -o protein
vect_inter_high.1542_5414 = VEC_INTERLEAVELOW_EXPR <vect_vec_iv_.1536_5407, {
0, 0, 0, 0 }>;

Unhandled GIMPLE assignment!
UNREACHABLE executed at
*** WARNING *** there are active plugins, do not report this as a bug unless
you can reproduce it without enabling any plugins.
Event                            | Plugins
PLUGIN_FINISH_UNIT               | dragonegg
PLUGIN_FINISH                    | dragonegg
PLUGIN_START_UNIT                | dragonegg
protein.f90: In function ‘MAIN__’:
protein.f90:1585:0: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Using  -O3 -fno-tree-vectorize -fplugin-arg-dragonegg-enable-gcc-optzns
eliminates the compilation failure.

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