333 // The oopFactory likes to work with the element type.
334 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
335 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
336
337 // Pass oops back through thread local storage. Our apparent type to Java
338 // is that we return an oop, but we can block on exit from this routine and
339 // a GC can trash the oop in C's return register. The generated stub will
340 // fetch the oop from TLS after any possible GC.
341 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
342 current->set_vm_result(result);
343 JRT_BLOCK_END;
344
345
346 // inform GC that we won't do card marks for initializing writes.
347 SharedRuntime::on_slowpath_allocation_exit(current);
348
349 oop result = current->vm_result();
350 if ((len > 0) && (result != nullptr) &&
351 is_deoptimized_caller_frame(current)) {
352 // Zero array here if the caller is deoptimized.
353 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
354 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
355 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
356 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
357 HeapWord* obj = cast_from_oop<HeapWord*>(result);
358 if (!is_aligned(hs_bytes, BytesPerLong)) {
359 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
360 hs_bytes += BytesPerInt;
361 }
362
363 // Optimized zeroing.
364 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
365 const size_t aligned_hs = hs_bytes / BytesPerLong;
366 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
367 }
368
369 JRT_END
370
371 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
372
373 // multianewarray for 2 dimensions
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333 // The oopFactory likes to work with the element type.
334 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
335 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
336
337 // Pass oops back through thread local storage. Our apparent type to Java
338 // is that we return an oop, but we can block on exit from this routine and
339 // a GC can trash the oop in C's return register. The generated stub will
340 // fetch the oop from TLS after any possible GC.
341 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
342 current->set_vm_result(result);
343 JRT_BLOCK_END;
344
345
346 // inform GC that we won't do card marks for initializing writes.
347 SharedRuntime::on_slowpath_allocation_exit(current);
348
349 oop result = current->vm_result();
350 if ((len > 0) && (result != nullptr) &&
351 is_deoptimized_caller_frame(current)) {
352 // Zero array here if the caller is deoptimized.
353 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result, result->mark());
354 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
355 size_t hs_bytes = arrayOopDesc::base_offset_in_bytes(elem_type);
356 assert(is_aligned(hs_bytes, BytesPerInt), "must be 4 byte aligned");
357 HeapWord* obj = cast_from_oop<HeapWord*>(result);
358 if (!is_aligned(hs_bytes, BytesPerLong)) {
359 *reinterpret_cast<jint*>(reinterpret_cast<char*>(obj) + hs_bytes) = 0;
360 hs_bytes += BytesPerInt;
361 }
362
363 // Optimized zeroing.
364 assert(is_aligned(hs_bytes, BytesPerLong), "must be 8-byte aligned");
365 const size_t aligned_hs = hs_bytes / BytesPerLong;
366 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
367 }
368
369 JRT_END
370
371 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
372
373 // multianewarray for 2 dimensions
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