> Any advice on comparing .o's? or rather compare .S files? You could try using "objdump -d" on the .o's, then diff'ing. However the diff might be large. Probably, comparing .S files would be best. Don't use "-g". However, if you find a difference that looks suspicious, "-g" will help you locate the source line. Dave -- J. David Anglin dave.anglin@nrc-cnrc.gc.ca National Research Council of Canada (613) 990-0752 (FAX: 952-6605)