On Sun, 20 Jan 2008, Kenneth Zadeck wrote: > If you > build your compiler with --enable-checking=df,yes (basically add "df" > onto what ever you normally set for --enable-checking) it will check that > there have been no unauthorized changes to any instructions after > every rtl pass.
For the record, the options above are in the wrong order; it's significant. To add "df" to the default, you need to make that "--enable-checking=yes,df" where "yes" represents the default flags for checking. See gcc/configure.ac. When desperate, try "all"! ;) (Or perhaps --enable-checking=all,valgrind, since valgrind is exempted from "all" probably because it requires an external package.) brgds, H-P