git: openjdk/jdk-sandbox: riscv-port-branch: trivial improvement in c1 for riscv port

[duke]

Changeset: f1337007
Author:    Fei Yang <felix.yang at huawei.com>
Date:      2021-10-25 03:43:41 +0000
URL:       https://git.openjdk.java.net/jdk-sandbox/commit/f1337007ce567560d15ff8bb78a01ff396dc751a

trivial improvement in c1 for riscv port

! src/hotspot/share/c1/c1_LIR.cpp