From 1dc1d56f79e10c9b4c5c8b42a80a191f7b14c738 Mon Sep 17 00:00:00 2001
From: Vladimir Ivanov <vaivanov@openjdk.org>
Date: Thu, 4 Sep 2025 16:57:36 +0000
Subject: [PATCH] 8363858: [perf] OptimizeFill may use wide set of intrinsics

Reviewed-by: roland, sviswanathan
---
 src/hotspot/cpu/x86/vm_version_x86.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hotspot/cpu/x86/vm_version_x86.cpp b/src/hotspot/cpu/x86/vm_version_x86.cpp
index 1c9f8ed2e40..094ab370190 100644
--- a/src/hotspot/cpu/x86/vm_version_x86.cpp
+++ b/src/hotspot/cpu/x86/vm_version_x86.cpp
@@ -1665,7 +1665,7 @@ void VM_Version::get_processor_features() {
 
 #ifdef COMPILER2
   if (FLAG_IS_DEFAULT(OptimizeFill)) {
-    if (MaxVectorSize < 32 || !VM_Version::supports_avx512vlbw()) {
+    if (MaxVectorSize < 32 || (!EnableX86ECoreOpts && !VM_Version::supports_avx512vlbw())) {
       OptimizeFill = false;
     }
   }