z: NULL initialize dataAddr field for 0 size arrays

Update array inline allocation sequence to initialize dataAddr field only for non-zero size arrays. Field should be left blank for zero size arrays. Signed-off-by: Shubham Verma <[email protected]>
eclipse-openj9 · Jan 29, 2025 · 2b0941c · 2b0941c
1 parent 73af0c7
commit 2b0941c
Show file tree

Hide file tree

Showing 3 changed files with 191 additions and 132 deletions.
diff --git a/runtime/compiler/env/J9ObjectModel.cpp b/runtime/compiler/env/J9ObjectModel.cpp
@@ -570,6 +570,8 @@ J9::ObjectModel::objectAlignmentInBytes()
    return (int32_t)result;
    }
 
+// TODO: add API to get minimum object size in OMR
+
 uintptr_t
 J9::ObjectModel::offsetOfContiguousArraySizeField()
    {

diff --git a/runtime/compiler/env/VMJ9.cpp b/runtime/compiler/env/VMJ9.cpp
@@ -6612,6 +6612,7 @@ TR_J9VM::getObjectAlignmentInBytes()
    return (I_32)result;
    }
 
+// TODO: Add API to get minimum object size
 
 TR_ResolvedMethod *
 TR_J9VM::getObjectNewInstanceImplMethod(TR_Memory * trMemory)