This message was posted on behalf of Intel Corporation
It might be a misreading of the tool, I apologize for the inconvenience.
You can confirm on the data sheet of the processor that Streaming SIMD Extensions 4.1 (SSE4.1) is supported. See here for the data sheet http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/quad-core-xeon-5400-datasheet.pdf, see page 9.
What is exactly the issue that you are having?