gcc/
	Revert:
	2014-05-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* lra-constraints.c (valid_address_p): Move earlier in file.
	Add a constraint argument to the address_info version.
	(satisfies_memory_constraint_p): New function.
	(satisfies_address_constraint_p): Likewise.
	(process_alt_operands, curr_insn_transform): Use them.
	(process_address): Pass the constraint to valid_address_p when
	checking address operands.

From-SVN: r210121