From 0a4ac4b5850b5dee9f285637f06a4594f2e10dc2 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 17 Sep 2021 09:19:51 +0200
Subject: [PATCH] Use x21 for I to leave x18 unused (reserved on OSX)

---
 kernel/arm64/sgemm_tcopy_16.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/arm64/sgemm_tcopy_16.S b/kernel/arm64/sgemm_tcopy_16.S
index 46198b3a2..431f1ae2a 100644
--- a/kernel/arm64/sgemm_tcopy_16.S
+++ b/kernel/arm64/sgemm_tcopy_16.S
@@ -30,7 +30,7 @@ All rights reserved.
 #define	B00		x22
 
 
-#define I		x18
+#define I		x21
 #define	J		x19
 
 #define TEMP1		x20