--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/regression/README	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,24 @@
+This directory contains scripts that are used by the regression
+tester, <http://gcc.gnu.org/regtest/>
+
+The primary script is 'btest-gcc.sh'.  This is the script that is run
+to actually test the compiler.
+
+'objs-gcc.sh' takes a combined tree and builds (but does not test) the
+tools required for 'btest-gcc.sh'.  It is run periodically to update
+the tools.  This script is followed by running 'btest-gcc.sh' using
+the newly-build tools to check that they will not cause regressions.
+
+'site.exp' is what $DEJAGNU points to when the regression tester runs
+these scripts.
+
+'GCC_Regression_Tester.wdgt' is a Dashboard widget that displays the
+current state of the tester using Javascript.  You can use it without
+needing Dashboard by pointing your web browser at
+'GCC_Regression_Tester.wdgt/widget.html', if your browser supports
+and permits it.
+
+Note that any changes made here need to be approved by the regression
+tester's maintainer (see MAINTAINERS).  The changes will be used on
+the tester's next run, so `experimental' changes are very strongly
+discouraged :-).