[ARM] Allow MOV/MOV.W to accept all possible immediates

[Nick Clifton]

Hi Jiong,

> gas/
> 2016-11-01  Jiong Wang  <jiong.wang@arm.com>
>                           * config/tc-arm.c (SBIT_SHIFT): New.
>         (T2_SBIT_SHIFT): Likewise.
>         (t32_insn_ok): Return TRUE for MOV in ARMv8-M Baseline.
>         (md_apply_fix): Try UINT16 encoding when ARM/Thumb modified immediate
>         encoding failed.
>         * testsuite/gas/arm/archv6t2-bad.s: New error case.
>         * testsuite/gas/arm/archv6t2-bad.l: New error match.
>         * testsuite/gas/arm/archv6t2.s: New testcase.
>         * testsuite/gas/arm/archv6t2.d: New expected result.
>         * testsuite/gas/arm/archv8m.s: New testcase
>         * testsuite/gas/arm/archv8m-base.d: New expected result.
>         * testsuite/gas/arm/archv8m-main.d: Likewise.
>         * testsuite/gas/arm/archv8m-main-dsp-1.d: Likewise.

Approved - please apply.

Cheers
  Nick