[LLVMdev] dragonegg/llvm-gfortran/gfortran benchmarks

Marcus G. Daniels mdaniels at lanl.gov
Sat Apr 9 09:53:57 PDT 2011

On 4/9/2011 10:28 AM, Jack Howarth wrote:
> This appears to be due to the -ftree-vectorize as -O3 --fno-tree-vectorize doesn't show this ICE but -O2 -ftree-vectorize does.
Is -ftree-vectorize crucial to performance in these Polyhedral 
benchmarks?   (I've seen -fplugin-arg-dragonegg-enable-gcc-optzns make a 
factor of 2 improvement in execution time.)


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