* config/mips/mips.h (ISA_HAS_BBIT): New macro.
	* config/mips/mips.md (branch_likely): Remove const.  Fix
	comment formatting.
	(define_delay for type "branch"): Change to only apply for branch
	with likely variant.
	(define_delay for type "branch" and "branch_likely" no).  New delay
	definition.
	(equality_op): New code iterator.
	(bbv, bbinv): New code attributes.
	(*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
	patterns.

testsuite/
	* gcc.target/mips/octeon-bbit-1.c: New test.
	* gcc.target/mips/octeon-bbit-2.c: New test.
	* gcc.target/mips/octeon-bbit-3.c: New test.

From-SVN: r139743