git: openjdk/jdk: 8284937: riscv: should not allocate special register for temp

[Fei Yang]

Changeset: 145dfed0
Author:    Yanhong Zhu <yzhu at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2022-04-19 01:15:07 +0000
URL:       https://git.openjdk.java.net/jdk/commit/145dfed03c21ffe233203c1117d02b552bd17630

8284937: riscv: should not allocate special register for temp

Reviewed-by: fyang, fjiang, yadongwang

! src/hotspot/cpu/riscv/riscv.ad
! src/hotspot/cpu/riscv/riscv_v.ad