Tom de Vries <tom_devr...@mentor.com> writes: > 2. post_expand_call_insn. > A utility hook to facilitate adding the clobbers to CALL_INSN_FUNCTION_USAGE.
Why is this needed though? Like I say, I think targets should update CALL_INSN_FUNCTION_USAGE when emitting calls as part of the call expander. Splitting the functionality of the call expanders across the define_expand and a new hook just makes things unnecessarily complicated IMO. Thanks, Richard
