Hi,
This patch adds vrnd<*>_f64 aarch64 intrinsics. A testcase for those
intrinsics is added. Run a complete LE and BE regression run with no 
regressions.

Is patch OK for stage-1?

2014-02-13  Alex Velenko  <Alex.Velenko@arm.com>

gcc/

	* config/aarch64/aarch64-builtins.c (BUILTIN_VDQF_DF): Macro
	added.
	* config/aarch64/aarch64-simd-builtins.def (frintn): Use added
	macro.
	* config/aarch64/aarch64-simd.md (<frint_pattern>): Comment
	corrected.
	* config/aarch64/aarch64.md (<frint_pattern>): Likewise.
	* config/aarch64/arm_neon.h (vrnd_f64): Added.
	(vrnda_f64): Likewise.
	(vrndi_f64): Likewise.
	(vrndm_f64): Likewise.
	(vrndn_f64): Likewise.
	(vrndp_f64): Likewise.
	(vrndx_f64): Likewise.

gcc/testsuite/

	gcc.target/aarch64/vrnd_f64_1.c : New testcase.