On Tue, Jul 03, 2007 at 05:14:21PM -0400, Kenneth Zadeck wrote: > David Edelsohn points out that some of the expanders could have all of > this code removed since expanders only run before reload. I do not know > how to figure this out.
The movM and addM3 expanders are used by reload. The prologue and epilogue expanders are used after reload. A back end might use some of the expanders in a peephole definition. -- Rask Ingemann Lambertsen