8258989: JVM is failed to inline in jdk.internal.vm.vector.VectorSupport::convert

Co-authored-by: He Xuejin <hexuejin2@huawei.com>
Reviewed-by: vlivanov, thartmann

Author: 2 people

src/hotspot/share/opto/vectorIntrinsics.cpp

@@ -1435,7 +1435,7 @@ bool LibraryCallKit::inline_vector_convert() {
     } else if (num_elem_from > num_elem_to) {
       // Since number elements from input is larger than output, simply reduce size of input (we are supposed to
       // drop top elements anyway).
-      int num_elem_for_resize = MAX2(num_elem_to, Matcher::min_vector_size(elem_bt_to));
+      int num_elem_for_resize = MAX2(num_elem_to, Matcher::min_vector_size(elem_bt_from));
 
       // It is possible that arch does not support this intermediate vector size
       // TODO More complex logic required here to handle this corner case for the sizes.