From 3699da67bf4de9a1efe69d498ff4ec896b650dc7 Mon Sep 17 00:00:00 2001
From: Andrew Turner <andrew@FreeBSD.org>
Date: Thu, 6 May 2021 07:37:47 +0000
Subject: [PATCH] Use '.arch_extension crc' in the arm64 crc32 code

We don't care about the base architecture here, just that the crc
extension is enabled.

Sponsored by:	Innovate UK

(cherry picked from commit 0ec3e991112d85a790ca3bbb4175652f37f4bd15)
---
 sys/libkern/arm64/crc32c_armv8.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/libkern/arm64/crc32c_armv8.S b/sys/libkern/arm64/crc32c_armv8.S
index e5d0ff80d97..6a1991262a3 100644
--- a/sys/libkern/arm64/crc32c_armv8.S
+++ b/sys/libkern/arm64/crc32c_armv8.S
@@ -27,7 +27,8 @@
 
 #include <machine/asm.h>
 __FBSDID("$FreeBSD$");
-.arch armv8-a+crc
+
+.arch_extension crc
 
 /*
  * uint32_t