Rask Ingemann Lambertsen wrote:
I have a simple loop over the defs of an INSN, looking for the def of a specific register X:Should I just compare register numbers instead?
I think so, or maybe even use reg_overlap_mentioned_p. It depends what you're doing. For 4.4, it may be worth modifying df_find_def and df_find_use so that you can just use those.
Paolo