[PATCH][GAS][AArch64] Add new registers for Armv8.4-a [Patch (5/6)]

[Nick Clifton]

Hi Tamar,

> opcodes/
> 2017-11-08  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* aarch64-opc.c (aarch64_sys_regs): Add ARMv8.4-a registers;
> 	dit, vstcr_el2, vsttbr_el2, cnthvs_tval_el2, cnthvs_cval_el2,
> 	cnthvs_ctl_el2, cnthps_tval_el2, cnthps_cval_el2, cnthps_ctl_el2,
> 	sder32_el2, vncr_el2.
> 	(aarch64_sys_reg_supported_p): Likewise.
> 	(aarch64_pstatefields): Add dit register.
> 	(aarch64_pstatefield_supported_p): Likewise.
> 	(aarch64_sys_regs_tlbi): Add vmalle1os, vae1os, aside1os, vaae1os,
> 	vale1os, vaale1os, ipas2e1os, ipas2le1os, vae2os, vale2os, vmalls12e1os,
> 	vae3os, vale3os, alle2os, alle1os, alle3os, rvae1, rvaae1, rvale1,
> 	rvaale1, rvae1is, rvaae1is, rvale1is, rvaale1is, rvae1os, rvaae1os,
> 	rvale1os, rvaale1os, ripas2e1is, ripas2le1is, ripas2e1, ripas2le1,
> 	ripas2e1os, ripas2le1os, rvae2, rvale2, rvae2is, rvale2is, rvae2os,
> 	rvale2os, rvae3, rvale3, rvae3is, rvale3is, rvae3os, rvale3os.
> 
> gas/testsuite
> 2017-11-08  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* gas/aarch64/armv8_4-a-registers-illegal.d: New.
> 	* gas/aarch64/armv8_4-a-registers-illegal.l: New.
> 	* gas/aarch64/armv8_4-a-registers-illegal.s: New.
> 	* gas/aarch64/armv8_4-a-registers.d: New.
> 	* gas/aarch64/armv8_4-a-registers.s: New.

Approved - please apply.

Cheers
  Nick