From: Richard Henderson <richard.henderson@linaro.org>
Date: Thu, 7 Jul 2022 10:36:07 +0000 (+0100)
Subject: target/arm: Fix MTE check in sve_ldnfff1_r
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a4f3791143d8f98a5a9216b94d33a232ebf12c25;p=qemu.git

target/arm: Fix MTE check in sve_ldnfff1_r

The comment was correct, but the test was not:
disable mte if tagged is *not* set.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 1654c0bbf9..db15d03ded 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -5986,7 +5986,7 @@ void sve_ldnfff1_r(CPUARMState *env, void *vg, const target_ulong addr,
      * Disable MTE checking if the Tagged bit is not set.  Since TBI must
      * be set within MTEDESC for MTE, !mtedesc => !mte_active.
      */
-    if (arm_tlb_mte_tagged(&info.page[0].attrs)) {
+    if (!arm_tlb_mte_tagged(&info.page[0].attrs)) {
         mtedesc = 0;
     }