From 4345f8303debe1136a051fff16c81a93dae95807 Mon Sep 17 00:00:00 2001
From: anton <>
Date: Tue, 4 Apr 2023 18:14:32 +0000
Subject: A refactoring back in 2016 in which magic numbers where extracted
 into named constants accidentally dropped an instruction causing detection of
 eXtended operations (XOP) on AMD hardware to break.

ok miod@ tb@
---
 src/lib/libcrypto/x86_64cpuid.pl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/lib')

diff --git a/src/lib/libcrypto/x86_64cpuid.pl b/src/lib/libcrypto/x86_64cpuid.pl
index 2780b0f8ce..1b67d1110f 100644
--- a/src/lib/libcrypto/x86_64cpuid.pl
+++ b/src/lib/libcrypto/x86_64cpuid.pl
@@ -66,6 +66,7 @@ OPENSSL_ia32_cpuid:
 	mov	%eax,%r10d
 	mov	\$0x80000001,%eax
 	cpuid
+	or	%ecx,%r9d
 	and	\$IA32CAP_MASK1_AMD_XOP,%r9d	# isolate AMD XOP bit
 	or	\$1,%r9d			# make sure %r9d is not zero
 
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