RFR: 8357258: x86: Improve receiver type profiling reliability [v3]

[Aleksey Shipilev]

On Fri, 21 Nov 2025 19:25:08 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
>> 
>>  - Merge branch 'master' into JDK-8357258-x86-c1-optimize-virt-calls
>>  - Merge branch 'master' into JDK-8357258-x86-c1-optimize-virt-calls
>>  - Drop atomic counters
>>  - Initial version
>
> src/hotspot/cpu/x86/macroAssembler_x86.cpp line 4818:
> 
>> 4816:   addptr(offset, receiver_step);
>> 4817:   cmpptr(offset, end_receiver_offset);
>> 4818:   jccb(Assembler::notEqual, L_loop);
> 
> Fix indention since these instructions also in the loop.

I prefer to keep these at this indentation level: this is loop infrastructure. Pretty much like I would write the post-condition:


do {
 ...
} while ((offset += receiver_step) != end_receiver_offset);

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PR Review Comment: https://git.openjdk.org/jdk/pull/25305#discussion_r2564461790