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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