Look at -fdump-tree-all for dumping the tree representations. Look at -da for RTL dumps. There should be intermediate dump files of the form *.c.t* and *.c.r* for the dumps for each of the passes. -Ramana On Tue, 2007-06-26 at 10:11 +0530, sameer sinha wrote: > hello, > I want to see the various Intermediate representation like > AST,GIMLE & RTL corresponding to some different C programes.What > option i should give so that i would be able to see the files > containing ATS,GIMPLE & RTL???? -- cheers Ramana Ramana Radhakrishnan Celunite