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	* config/s390/s390.c (struct processor_costs): New data type.
	(s390_cost, z900_cost, z990_cost): New global variables.
	(override_options): Initialize s390_cost.
	(s390_rtx_costs): Reimplement.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91527 138bc75d-0d04-0410-961f-82ee72b054a4