http://cr.openjdk.java.net/~vlivanov/8001622/webrev.00 https://bugs.openjdk.java.net/browse/JDK-8001622 Mask in loadUB2L_immI8 & loadUS2L_immI16 can be relaxed from immI8/immI16 to immI, since zero-extending move is used. Thanks! Best regards, Vladimir Ivanov