* pa.h (TRAMPOLINE_TEMPLATE): Shorten sequence when generating PA
	2.0 code.
	(TRAMPOLINE_CODE_SIZE, MIN_CACHELINE_SIZE): New defines.
	(INITIALIZE_TRAMPOLINE): Rework to pass line length, and aligned start
	and end addresses to I and D cache instruction patterns.
	* pa.md (anddi3, iordi3): Change predicates of operands 1 and 2 to
	and_operand and ior_operand, respectively.  When generating 64-bit
	code, only one operand needs to be a register operand.
	(xordi3): Change predicates of operands 1 and 2 to register_operand.
	(one_cmpldi2): Change predicate of operand 1 to register_operand.
	(dcacheflush, icacheflush): Revise to flush an arbitrary number of
	cache lines.

From-SVN: r74888