[PATCH, AArch64] Fix GAS bug in checking an opcode against available features

[Marcus Shawcroft]

On 18 December 2013 12:30, Yufeng Zhang <Yufeng.Zhang@arm.com> wrote:
> Hi,
>
> This patch fixes a bug in the aarch64 gas.  Gas checks whether an opcode
> entry is allowed given the current available features on the target.
> Unfortunately the check is done too early in the opcode matching and causes
> the assembler to exit the mnemonics matching too early with incorrect
> diagnostics when certain features are not available on one target.  This
> patch fixes the problem by moving the checking to a later stage.
>
> OK for the trunk and the 2.24 branch?

OK
/Marcus