Hi,

This patch adds support for MVE instructions WLSTP, DLSTP, LETP, and LCTP.

gas/ChangeLog:

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

	* config/tc-arm.c (T16_32_TAB): Add new instructions.
	(do_t_loloop): Changed to handle tail predication variants.
	(md_apply_fix): Likewise.
         (insns): Add entries for MVE mnemonics.
	* testsuite/gas/arm/mve-tailpredloop-bad.d: New test.
	* testsuite/gas/arm/mve-tailpredloop-bad.l: New test.
	* testsuite/gas/arm/mve-tailpredloop-bad.s: New test.
	* testsuite/gas/arm/mve-tailpredloop.d: New test.