RFR: 8326983: Unused operands reported after JDK-8326135 [v2]

[kuaiwei]

On Fri, 1 Mar 2024 07:39:16 GMT, kuaiwei <duke at openjdk.org> wrote:

>> Remove all unused operands reported by adlc. I'm testing x86_64 and aarch64. So far no failure found in tier1.
>> I tried to clean unused operands for all platform. A special case is immLRot2 in arm, it's not used, but appeared in many todo comments. So I keep it.
>
> kuaiwei has updated the pull request incrementally with one additional commit since the last revision:
> 
>   clean for other architecture

> For aarch64 do we need also change _.m4 files? Anything in aarch64_vector_ files?
> 
> I will run our testing with current patch.

I'm not clear about m4 file. How do we use it?
The build script of jdk will combine all ad file into one single file and adlc will compile it. So aarch64_vector.ad will be checked as well.

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PR Comment: https://git.openjdk.org/jdk/pull/18075#issuecomment-1976309600