415 // The oopFactory likes to work with the element type.
416 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
417 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
418
419 // Pass oops back through thread local storage. Our apparent type to Java
420 // is that we return an oop, but we can block on exit from this routine and
421 // a GC can trash the oop in C's return register. The generated stub will
422 // fetch the oop from TLS after any possible GC.
423 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
424 current->set_vm_result_oop(result);
425 JRT_BLOCK_END;
426
427
428 // inform GC that we won't do card marks for initializing writes.
429 SharedRuntime::on_slowpath_allocation_exit(current);
430
431 oop result = current->vm_result_oop();
432 if ((len > 0) && (result != nullptr) &&
433 is_deoptimized_caller_frame(current)) {
434 // Zero array here if the caller is deoptimized.
435 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
436 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
437 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
438 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
439 HeapWord* obj = cast_from_oop<HeapWord*>(result);
440 if (!is_aligned(hs_bytes, BytesPerLong)) {
441 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
442 hs_bytes += BytesPerInt;
443 }
444
445 // Optimized zeroing.
446 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
447 const size_t aligned_hs = hs_bytes / BytesPerLong;
448 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
449 }
450
451 JRT_END
452
453 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
454
455 // multianewarray for 2 dimensions
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415 // The oopFactory likes to work with the element type.
416 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
417 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
418
419 // Pass oops back through thread local storage. Our apparent type to Java
420 // is that we return an oop, but we can block on exit from this routine and
421 // a GC can trash the oop in C's return register. The generated stub will
422 // fetch the oop from TLS after any possible GC.
423 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
424 current->set_vm_result_oop(result);
425 JRT_BLOCK_END;
426
427
428 // inform GC that we won't do card marks for initializing writes.
429 SharedRuntime::on_slowpath_allocation_exit(current);
430
431 oop result = current->vm_result_oop();
432 if ((len > 0) && (result != nullptr) &&
433 is_deoptimized_caller_frame(current)) {
434 // Zero array here if the caller is deoptimized.
435 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result, result->mark());
436 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
437 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
438 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
439 HeapWord* obj = cast_from_oop<HeapWord*>(result);
440 if (!is_aligned(hs_bytes, BytesPerLong)) {
441 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
442 hs_bytes += BytesPerInt;
443 }
444
445 // Optimized zeroing.
446 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
447 const size_t aligned_hs = hs_bytes / BytesPerLong;
448 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
449 }
450
451 JRT_END
452
453 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
454
455 // multianewarray for 2 dimensions
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