[PATCH][AArch64] Handle aliases of conditional branches without b.pred form.

Chad Rosier mcrosier at codeaurora.org
Fri Feb 7 09:03:37 PST 2014


Thanks, Kristof.  I'll let to patch cook on the list a bit longer before
moving forward.

 Regards,
  Chad

> Hi Chad,
>
> Thanks for working on this. I agree LLVM should accept these aliases.
> If you need review on the implementation details, I'll leave the
> final OK to someone else, but the patch looks OK to me.
>
> Thanks,
>
> Kristof
>
>> -----Original Message-----
>> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-
>> bounces at cs.uiuc.edu] On Behalf Of Chad Rosier
>> Sent: 06 February 2014 20:55
>> To: llvm-commits at cs.uiuc.edu for LLVM
>> Subject: [PATCH][AArch64] Handle aliases of conditional branches without
>> b.pred form.
>>
>> Hi,
>> This patch teaches the AArch64 backend to accept aliases for conditional
>> branches that don't follow the br.pred form.  I don't believe these
>> aliases are specified in the documentation, but they do appear to be
>> accepted by gcc.  I would have preferred to do this as a MnemonicAlias,
>> but renaming has to be done at parse-time, as opposed to instruction
>> matching time, as it effects the MI operands.
>>
>>  Chad
>
>
>


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