s390.md (UNSPEC_POOL_OFFSET): New constant.

s390.md (UNSPEC_POOL_OFFSET): New constant.

gcc/
	* config/s390/s390.md (UNSPEC_POOL_OFFSET): New constant.
	* config/s390/s390.c (machine_function): Remove
	decomposed_literal_pool_addresses_ok_p.
	(s390_decompose_address): Check for UNSPEC_POOL_OFFSET instead of
	the difference of two labels.
	(s390_output_addr_const_extra): Handle UNSPEC_POOL_OFFSET.
	(s390_pool_offset): New function.
	(s390_find_constant, s390_find_execute, s390_dump_pool): Use it.
	(s390_reorg): Don't set decomposed_literal_pool_addresses_ok_p.

From-SVN: r141091