On Thu, 23 Oct 2025 18:13:38 GMT, Coleen Phillimore <[email protected]> wrote:
>> Frederic Parain has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains two commits:
>>
>> - Merge remote-tracking branch 'upstream/lworld' into new_acmp
>> - Add alternate version of the substitutability method
>
> src/hotspot/share/classfile/fieldLayoutBuilder.cpp line 1361:
>
>> 1359: _nonoop_acmp_map = new GrowableArray<Pair<int,int>>();
>> 1360: _oop_acmp_map = new GrowableArray<int>();
>> 1361: if (_is_empty_inline_class) return;
>
> Why not return first before allocating these GrowableArray in resource area?
It streamlines the code in InstanceKlass::fill_instance_klass() by not having
to handle the null map case.
> src/hotspot/share/interpreter/bytecodeTracer.cpp line 95:
>
>> 93: void trace(const methodHandle& method, address bcp, uintptr_t tos,
>> uintptr_t tos2, outputStream* st) {
>> 94: ResourceMark rm;
>> 95: ttyLocker ttyl;
>
> This should be removed with
> [JDK-8370044](https://bugs.openjdk.org/browse/JDK-8370044)
It is just a quick hack because I needed to use TraceBytecode to evaluate the
new acmp.
I'll remove it before pushing.
-------------
PR Review Comment:
https://git.openjdk.org/valhalla/pull/1695#discussion_r2457297856
PR Review Comment:
https://git.openjdk.org/valhalla/pull/1695#discussion_r2457288265