407 // The oopFactory likes to work with the element type.
408 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
409 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
410
411 // Pass oops back through thread local storage. Our apparent type to Java
412 // is that we return an oop, but we can block on exit from this routine and
413 // a GC can trash the oop in C's return register. The generated stub will
414 // fetch the oop from TLS after any possible GC.
415 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
416 current->set_vm_result_oop(result);
417 JRT_BLOCK_END;
418
419
420 // inform GC that we won't do card marks for initializing writes.
421 SharedRuntime::on_slowpath_allocation_exit(current);
422
423 oop result = current->vm_result_oop();
424 if ((len > 0) && (result != nullptr) &&
425 is_deoptimized_caller_frame(current)) {
426 // Zero array here if the caller is deoptimized.
427 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
428 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
429 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
430 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
431 HeapWord* obj = cast_from_oop<HeapWord*>(result);
432 if (!is_aligned(hs_bytes, BytesPerLong)) {
433 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
434 hs_bytes += BytesPerInt;
435 }
436
437 // Optimized zeroing.
438 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
439 const size_t aligned_hs = hs_bytes / BytesPerLong;
440 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
441 }
442
443 JRT_END
444
445 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
446
447 // multianewarray for 2 dimensions
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407 // The oopFactory likes to work with the element type.
408 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
409 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
410
411 // Pass oops back through thread local storage. Our apparent type to Java
412 // is that we return an oop, but we can block on exit from this routine and
413 // a GC can trash the oop in C's return register. The generated stub will
414 // fetch the oop from TLS after any possible GC.
415 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
416 current->set_vm_result_oop(result);
417 JRT_BLOCK_END;
418
419
420 // inform GC that we won't do card marks for initializing writes.
421 SharedRuntime::on_slowpath_allocation_exit(current);
422
423 oop result = current->vm_result_oop();
424 if ((len > 0) && (result != nullptr) &&
425 is_deoptimized_caller_frame(current)) {
426 // Zero array here if the caller is deoptimized.
427 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result, result->mark());
428 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
429 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
430 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
431 HeapWord* obj = cast_from_oop<HeapWord*>(result);
432 if (!is_aligned(hs_bytes, BytesPerLong)) {
433 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
434 hs_bytes += BytesPerInt;
435 }
436
437 // Optimized zeroing.
438 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
439 const size_t aligned_hs = hs_bytes / BytesPerLong;
440 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
441 }
442
443 JRT_END
444
445 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
446
447 // multianewarray for 2 dimensions
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