how to use testsuite to check vectorization capabilities

Hello all, I am studying vectorization in GCC. I want to run the test cases given in gcc/gcc/testsuite/gcc.dg/vect Any pointer will be of great help for me. Thanks in advance Jaishri

How to rebuild GCC?

Hi, I am beginner in GCC. I want to make few changes in source code. What are the steps that I need to do to get the changes in effect and to test the changes? Any help is appreciated. Thanks and Regards Jaishri