From a3b9c933c59809027937c7708e1d996988c112f2 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 30 Jul 2025 17:05:36 +0200
Subject: [PATCH] mark xbuffer as volatile to work around gcc15.1 optimizer bug

---
 kernel/power/dgemv_n.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/power/dgemv_n.c b/kernel/power/dgemv_n.c
index ac365b3b2..303d9600f 100644
--- a/kernel/power/dgemv_n.c
+++ b/kernel/power/dgemv_n.c
@@ -147,7 +147,7 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha, FLOAT *a, BLASLO
 	BLASLONG m3;
 	BLASLONG n2;
 	BLASLONG lda4 =  lda << 2;
-	FLOAT xbuffer[8] __attribute__ ((aligned (16)));
+	volatile FLOAT xbuffer[8] __attribute__ ((aligned (16)));
 	FLOAT *ybuffer;
 
         if ( m < 1 ) return(0);