From 5a8af2b8b93672de9b3a3e73e6984506980da932 Mon Sep 17 00:00:00 2001
From: Arseny Bochkarev <arseny.bochkarev@syntacore.com>
Date: Wed, 3 Jul 2024 14:09:59 +0000
Subject: [PATCH] 8335615: Clean up left-overs from 8317721

Reviewed-by: fyang
---
 src/hotspot/cpu/riscv/macroAssembler_riscv.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/hotspot/cpu/riscv/macroAssembler_riscv.cpp b/src/hotspot/cpu/riscv/macroAssembler_riscv.cpp
index a04c02bbc45..b3ae5fbcdd0 100644
--- a/src/hotspot/cpu/riscv/macroAssembler_riscv.cpp
+++ b/src/hotspot/cpu/riscv/macroAssembler_riscv.cpp
@@ -1494,10 +1494,9 @@ void MacroAssembler::update_word_crc32(Register crc, Register v, Register tmp1,
   xorr(crc, crc, tmp2);
 
   lwu(tmp2, Address(tmp3));
-  if (upper) {
-    tmp1 = v;
+  // It is more optimal to use 'srli' instead of 'srliw' for case when it is not necessary to clean upper bits
+  if (upper)
     srli(tmp1, v, 24);
-  }
   else
     srliw(tmp1, v, 24);