Where to get a list of warning and error messages

I'm currently building a database of gcc warnings and error messages including a example of code what triggers it and how to fix it. Is there any full database of gcc warnings and errors? Simon Toth

march=native not precise on Sempron

I have Sempron processor with SSE3 support, but the march=native seems to ommit the -msse3 option: -- > cat /proc/cpuinfo -- processor : 0 vendor_id