add separate insn sched class for vector LDP & STP

add separate insn sched class for vector LDP & STP

2015-09-29  Evandro Menezes  <e.menezes@samsung.com>

	* config/arm/types.md (neon_ldp, neon_ldp_q, neon_stp, neon_stp_q):
	Add new insn types for vector load and store pairs.
	* config/arm/cortex-a53.md (cortex_a53_f_load_2reg): Add insn
	types "neon_ldp{,_q}".
	* config/arm/cortex-a57.md (neon_load_c): Add insn types
	"neon_ldp{,_q}".
	(neon_store_complex): Add insn types "neon_stp{,_q}".
	* config/aarch64/aarch64-simd.md (aarch64_be_movoi): Add insn types
	"neon_{ldp,stp}_q".

From-SVN: r228253