PR target/44749
	* config/mep/t-mep (GTM_H): Add insn-constants.h.
	* config/mep/mep.c (mep_conditional_register_usage): Take no
	parameters.
	* config/mep/mep-protos.h (mep_conditional_register_usage): Update
	prototype.
	* config/mep/mep-pragma.c (CONDITIONAL_REGISTER_USAGE): Update
	call to mep_conditional_register_usage.

From-SVN: r164260