RFR: 8282204: Use lea instructions for arithmetic operations on x86_64 [v10]

Fri Mar 4 14:34:08 UTC 2022

On Fri, 4 Mar 2022 14:21:42 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove unreached rules
>
> src/hotspot/cpu/x86/x86_64.ad line 7747:
> 
>> 7745: %}
>> 7746: 
>> 7747: // XXX addP mem ops ????
> 
> This comment line is for leaP_rReg_imm, which should also be removed?

I believe it is for the missing rules of `AddP` with memory operands such as `addP_mem_rReg`

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PR: https://git.openjdk.java.net/jdk/pull/7560