From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 29 Jan 2020 23:50:39 +0000 (-0800)
Subject: target/ppc: Remove redundant mask in DCBZ
X-Git-Tag: v5.0.0-rc0~113^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1cbddf6d944e13efe95e3d4a7726e474e4bac252;p=thirdparty%2Fqemu.git

target/ppc: Remove redundant mask in DCBZ

The value of addr has already been masked, just above.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200129235040.24022-4-richard.henderson@linaro.org>
Tested-by: Howard Spoelstra <hsp.cat7@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index e7d3a79d967..0cb78777e71 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -293,7 +293,7 @@ static void dcbz_common(CPUPPCState *env, target_ulong addr,
     addr &= mask;
 
     /* Check reservation */
-    if ((env->reserve_addr & mask) == (addr & mask))  {
+    if ((env->reserve_addr & mask) == addr)  {
         env->reserve_addr = (target_ulong)-1ULL;
     }