Hi,

This patch adds support for MVE instructions VMVN, VQABS, and VQNEG.

gas/ChangeLog:

2019-05-01  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/tc-arm.c (do_neon_mvn): Change to accept MVE
         variants.
	(do_neon_sat_abs_neg): Likewise.
         (insns): Likewise.
	* testsuite/gas/arm/mve-vmvn-bad.d: New test.
	* testsuite/gas/arm/mve-vmvn-bad.l: New test.
	* testsuite/gas/arm/mve-vmvn-bad.s: New test.
	* testsuite/gas/arm/mve-vqabsneg-bad.d: New test.
	* testsuite/gas/arm/mve-vqabsneg-bad.l: New test.
	* testsuite/gas/arm/mve-vqabsneg-bad.s: New test.