[AArch64] Some aarch64-builtins.c cleanup.

[AArch64] Some aarch64-builtins.c cleanup.

gcc/

	* config/aarch64/aarch64-builtins.c
	(aarch64_simd_builtin_type_mode): Delete.
	(v8qi_UP): Remap to V8QImode.
	(v4hi_UP): Remap to V4HImode.
	(v2si_UP): Remap to V2SImode.
	(v2sf_UP): Remap to V2SFmode.
	(v1df_UP): Remap to V1DFmode.
	(di_UP): Remap to DImode.
	(df_UP): Remap to DFmode.
	(v16qi_UP):V16QImode.
	(v8hi_UP): Remap to V8HImode.
	(v4si_UP): Remap to V4SImode.
	(v4sf_UP): Remap to V4SFmode.
	(v2di_UP): Remap to V2DImode.
	(v2df_UP): Remap to V2DFmode.
	(ti_UP): Remap to TImode.
	(ei_UP): Remap to EImode.
	(oi_UP): Remap to OImode.
	(ci_UP): Map to CImode.
	(xi_UP): Remap to XImode.
	(si_UP): Remap to SImode.
	(sf_UP): Remap to SFmode.
	(hi_UP): Remap to HImode.
	(qi_UP): Remap to QImode.
	(aarch64_simd_builtin_datum): Make mode a machine_mode.
	(VAR1): Build builtin name.
	(aarch64_init_simd_builtins): Remove dead code.

From-SVN: r213627