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[Patch, AArch64] Add support for alias instructions SXTL, SXTL2, UXTL and UXTL2

Yufeng Zhang Yufeng.Zhang@arm.com
Wed Jan 30 14:27:00 GMT 2013 
On 01/30/13 13:12, nick clifton wrote:
> Hi Yufeng,
>
>> include/opcode/
>> 2013-01-30  Yufeng Zhang<yufeng.zhang@arm.com>
>>
>>       * aarch64.h (aarch64_op): Add OP_SXTL, OP_SXTL2, OP_UXTL and OP_UXTL2.
>>
>> opcodes/
>> 2013-01-30  Yufeng Zhang<yufeng.zhang@arm.com>
>>
>>       * aarch64-tbl.h (aarch64_opcode_table): Flag sshll, sshll2, ushll and
>>       ushll2 with F_HAS_ALIAS.  Add entries for sxtl, sxtl2, uxtl and uxtl2.
>>       * aarch64-asm.c (convert_xtl_to_shll): New function.
>>       (convert_to_real): Handle OP_SXTL, OP_SXTL2, OP_UXTL and OP_UXTL2 by
>>       calling convert_xtl_to_shll.
>>       * aarch64-dis.c (convert_shll_to_xtl): New function.
>>       (convert_to_alias): Handle OP_SXTL, OP_SXTL2, OP_UXTL and OP_UXTL2 by
>>       calling convert_shll_to_xtl.
>>       * aarch64-asm-2.c: Re-generate.
>>       * aarch64-dis-2.c: Re-generate.
>>       * aarch64-opc-2.c: Re-generate.
>>
>> gas/testsuite/
>> 2013-01-30  Yufeng Zhang<yufeng.zhang@arm.com>
>>
>>       * gas/aarch64/alias.s: Add new tests.
>>       * gas/aarch64/alias.d: Update.
>>       * gas/aarch64/no-aliases.d: Update.
>
> Approved for mainline - please apply.

Thanks!  Is it OK for the 2.23 branch?  The patch is essentially a bug 
fix, adding support for the missing alias instructions.

Thanks,
Yufeng
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