From 026a63d0d941abc50b4ecbecca1668a93fa6963a Mon Sep 17 00:00:00 2001
From: Harshit Dhiman <hdhiman@openjdk.org>
Date: Fri, 17 Jul 2026 11:08:58 +0000
Subject: [PATCH] 8388285: [s390] compP_reg_mem is missing the barrier_data()
 == 0 predicate

Reviewed-by: amitkumar, aph
---
 src/hotspot/cpu/s390/s390.ad | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hotspot/cpu/s390/s390.ad b/src/hotspot/cpu/s390/s390.ad
index 256e39b03c2..5f33cf4fa77 100644
--- a/src/hotspot/cpu/s390/s390.ad
+++ b/src/hotspot/cpu/s390/s390.ad
@@ -8786,6 +8786,7 @@ instruct compP_decode_reg_imm0(flagsReg cr, iRegN op1, immP0 op2) %{
 
 instruct compP_reg_mem(iRegP dst, memory src, flagsReg cr)%{
   match(Set cr (CmpP dst (LoadP src)));
+  predicate(n->in(2)->as_Load()->barrier_data() == 0);
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP3_SIZE);
   format %{ "CLG     $dst, $src\t # ptr" %}