2014-08-26 Yvan Roux <yvan.roux@linaro.org>

2014-08-26  Yvan Roux  <yvan.roux@linaro.org>

	Backport from trunk r213378.
	2014-07-31  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_simd_vect_par_cnst_half): Vary
	the generated mask based on BYTES_BIG_ENDIAN.
	(aarch64_simd_check_vect_par_cnst_half): New.
	* config/aarch64/aarch64-protos.h
	(aarch64_simd_check_vect_par_cnst_half): New.
	* config/aarch64/predicates.md (vect_par_cnst_hi_half): Refactor
	the check out to aarch64_simd_check_vect_par_cnst_half.
	(vect_par_cnst_lo_half): Likewise.
	* config/aarch64/aarch64-simd.md
	(aarch64_simd_move_hi_quad_<mode>): Always use vec_par_cnst_lo_half.
	(move_hi_quad_<mode>): Always generate a low mask.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_9-branch@214502 138bc75d-0d04-0410-961f-82ee72b054a4