398 // The oopFactory likes to work with the element type.
399 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
400 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
401
402 // Pass oops back through thread local storage. Our apparent type to Java
403 // is that we return an oop, but we can block on exit from this routine and
404 // a GC can trash the oop in C's return register. The generated stub will
405 // fetch the oop from TLS after any possible GC.
406 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
407 current->set_vm_result(result);
408 JRT_BLOCK_END;
409
410
411 // inform GC that we won't do card marks for initializing writes.
412 SharedRuntime::on_slowpath_allocation_exit(current);
413
414 oop result = current->vm_result();
415 if ((len > 0) && (result != nullptr) &&
416 is_deoptimized_caller_frame(current)) {
417 // Zero array here if the caller is deoptimized.
418 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
419 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
420 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
421 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
422 HeapWord* obj = cast_from_oop<HeapWord*>(result);
423 if (!is_aligned(hs_bytes, BytesPerLong)) {
424 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
425 hs_bytes += BytesPerInt;
426 }
427
428 // Optimized zeroing.
429 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
430 const size_t aligned_hs = hs_bytes / BytesPerLong;
431 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
432 }
433
434 JRT_END
435
436 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
437
438 // multianewarray for 2 dimensions
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398 // The oopFactory likes to work with the element type.
399 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
400 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
401
402 // Pass oops back through thread local storage. Our apparent type to Java
403 // is that we return an oop, but we can block on exit from this routine and
404 // a GC can trash the oop in C's return register. The generated stub will
405 // fetch the oop from TLS after any possible GC.
406 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
407 current->set_vm_result(result);
408 JRT_BLOCK_END;
409
410
411 // inform GC that we won't do card marks for initializing writes.
412 SharedRuntime::on_slowpath_allocation_exit(current);
413
414 oop result = current->vm_result();
415 if ((len > 0) && (result != nullptr) &&
416 is_deoptimized_caller_frame(current)) {
417 // Zero array here if the caller is deoptimized.
418 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result, result->mark());
419 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
420 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
421 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
422 HeapWord* obj = cast_from_oop<HeapWord*>(result);
423 if (!is_aligned(hs_bytes, BytesPerLong)) {
424 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
425 hs_bytes += BytesPerInt;
426 }
427
428 // Optimized zeroing.
429 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
430 const size_t aligned_hs = hs_bytes / BytesPerLong;
431 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
432 }
433
434 JRT_END
435
436 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
437
438 // multianewarray for 2 dimensions
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