ChangeLog:

	* config/s390/s390-protos.h (s390_pool_operand): Remove.
	* config/s390/s390.c (s390_pool_operand): Likewise.
	(s390_extra_constraint_str): Handle 'B' constraints.
	* config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
	* config/s390/s390.md: Document 'B' constraints.
	("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
	s390_pool_operand to prevent insns with two literal pool
	references.  Make pattern commutative.
	("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
	'B' constraint instead of s390_pool_operand.

testsuite/ChangeLog:

	* gcc.dg/20041109-1.c: New test.

From-SVN: r90364