388 // The oopFactory likes to work with the element type.
389 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
390 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
391
392 // Pass oops back through thread local storage. Our apparent type to Java
393 // is that we return an oop, but we can block on exit from this routine and
394 // a GC can trash the oop in C's return register. The generated stub will
395 // fetch the oop from TLS after any possible GC.
396 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
397 current->set_vm_result_oop(result);
398 JRT_BLOCK_END;
399
400
401 // inform GC that we won't do card marks for initializing writes.
402 SharedRuntime::on_slowpath_allocation_exit(current);
403
404 oop result = current->vm_result_oop();
405 if ((len > 0) && (result != nullptr) &&
406 is_deoptimized_caller_frame(current)) {
407 // Zero array here if the caller is deoptimized.
408 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
409 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
410 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
411 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
412 HeapWord* obj = cast_from_oop<HeapWord*>(result);
413 if (!is_aligned(hs_bytes, BytesPerLong)) {
414 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
415 hs_bytes += BytesPerInt;
416 }
417
418 // Optimized zeroing.
419 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
420 const size_t aligned_hs = hs_bytes / BytesPerLong;
421 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
422 }
423
424 JRT_END
425
426 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
427
428 // multianewarray for 2 dimensions
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388 // The oopFactory likes to work with the element type.
389 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
390 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
391
392 // Pass oops back through thread local storage. Our apparent type to Java
393 // is that we return an oop, but we can block on exit from this routine and
394 // a GC can trash the oop in C's return register. The generated stub will
395 // fetch the oop from TLS after any possible GC.
396 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
397 current->set_vm_result_oop(result);
398 JRT_BLOCK_END;
399
400
401 // inform GC that we won't do card marks for initializing writes.
402 SharedRuntime::on_slowpath_allocation_exit(current);
403
404 oop result = current->vm_result_oop();
405 if ((len > 0) && (result != nullptr) &&
406 is_deoptimized_caller_frame(current)) {
407 // Zero array here if the caller is deoptimized.
408 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result, result->mark());
409 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
410 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
411 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
412 HeapWord* obj = cast_from_oop<HeapWord*>(result);
413 if (!is_aligned(hs_bytes, BytesPerLong)) {
414 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
415 hs_bytes += BytesPerInt;
416 }
417
418 // Optimized zeroing.
419 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
420 const size_t aligned_hs = hs_bytes / BytesPerLong;
421 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
422 }
423
424 JRT_END
425
426 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
427
428 // multianewarray for 2 dimensions
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