[PATCH][AArch64] Add ARMv8.3 combined pointer authentication branch instructions

[Nick Clifton]

Hi Szabolcs,

> opcodes/
> 2016-11-08  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* aarch64-tbl.h (arch64_opcode_table): Add braa, brab, blraa, blrab, braaz,
> 	brabz, blraaz, blrabz, retaa, retab, eretaa, eretab.
> 	* aarch64-asm-2.c: Regenerate.
> 	* aarch64-dis-2.c: Regenerate.
> 	* aarch64-opc-2.c: Regenerate.
> 
> gas/testsuite/
> 2016-11-08  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* gas/aarch64/pac.s: Add ARMv8.3 branch instruction tests.
> 	* gas/aarch64/pac.d: Likewise.

Approved - please apply - but ... would you mind adding an entry in the
gas/NEWS file mentioning the new support for ARMv8.3 please ?

Cheers
  Nick