On Fri, 19 Apr 2024 20:58:43 GMT, Vladimir Kozlov wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp line 2638:
>>
>>> 2636:L_exit, _masm);
>>> 2637: }
>>> 2638: __ jmp(L_exit);
>>
>> Here is long jump to `L_exit` after
On Fri, 19 Apr 2024 20:53:31 GMT, Vladimir Kozlov wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Review comments
>
> src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp line 2550:
>
>> 2548:
>> 2549: //
On Fri, 19 Apr 2024 20:54:32 GMT, Vladimir Kozlov wrote:
>> Scott Gibbons has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Review comments
>
> src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp line 2638:
>
>> 2636:
On Fri, 19 Apr 2024 20:13:03 GMT, Scott Gibbons wrote:
>> This code makes an intrinsic stub for `Unsafe::setMemory` for x86_64. See
>> [this PR](https://github.com/openjdk/jdk/pull/16760) for discussion around
>> this change.
>>
>> Overall, making this an intrinsic improves overall
> This code makes an intrinsic stub for `Unsafe::setMemory` for x86_64. See
> [this PR](https://github.com/openjdk/jdk/pull/16760) for discussion around
> this change.
>
> Overall, making this an intrinsic improves overall performance of
> `Unsafe::setMemory` by up to 4x for all buffer sizes.
