On 10/26/07, Jim Marshall <jim.marshall@xxxxxxxxxxxxxxxxx> wrote: > gcc <options> module1.c module2.c ... moduleN.c? With the current version of GCC, there is no difference. However, if you *do* compile all the .c files with a single command and use -combine then the compiler will treat all the .c files as a single one and the IPA optimizations will work on all the files at once. This option is currently supported on C only. For future versions of GCC we are working on link-time optimization features which will be more powerful than -combine (See http://gcc.gnu.org/wiki/LinkTimeOptimization for some details). This is not likely to be in GCC for at least a couple of releases, though.
