gcc/

	* config/arm/arm.c (arm_expand_neon_args): Call expand_expr
	with EXPAND_MEMORY for NEON_ARG_MEMORY; check if the returned
	rtx is const0_rtx or not.

gcc/testsuite/

	* gcc.target/arm/neon/vst1Q_laneu64-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206395 138bc75d-0d04-0410-961f-82ee72b054a4