Add CLMUL to machine dependent CPU capabilities for amd64.

ok tb@

2 files changed, 7 insertions, 4 deletions

diff --git a/src/lib/libcrypto/arch/amd64/crypto_arch.h b/src/lib/libcrypto/arch/amd64/crypto_arch.h
index 9eb99229d1..213a5d903e 100644
--- a/src/lib/libcrypto/arch/amd64/crypto_arch.h
+++ b/src/lib/libcrypto/arch/amd64/crypto_arch.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: crypto_arch.h,v 1.7 2025/06/27 17:10:45 jsing Exp $ */
+/*      $OpenBSD: crypto_arch.h,v 1.8 2025/06/28 12:20:39 jsing Exp $ */
 /*
  * Copyright (c) 2024 Joel Sing <jsing@openbsd.org>
  *
@@ -28,7 +28,8 @@ extern uint64_t crypto_cpu_caps_amd64;
 #endif
 
 #define CRYPTO_CPU_CAPS_AMD64_AES       (1ULL << 0)
-#define CRYPTO_CPU_CAPS_AMD64_SHA       (1ULL << 1)
+#define CRYPTO_CPU_CAPS_AMD64_CLMUL     (1ULL << 1)
+#define CRYPTO_CPU_CAPS_AMD64_SHA       (1ULL << 2)
 
 #ifndef OPENSSL_NO_ASM
 
diff --git a/src/lib/libcrypto/arch/amd64/crypto_cpu_caps.c b/src/lib/libcrypto/arch/amd64/crypto_cpu_caps.c
index 942454badd..b7323be5d0 100644
--- a/src/lib/libcrypto/arch/amd64/crypto_cpu_caps.c
+++ b/src/lib/libcrypto/arch/amd64/crypto_cpu_caps.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: crypto_cpu_caps.c,v 1.5 2025/06/15 14:16:11 jsing Exp $ */
+/*      $OpenBSD: crypto_cpu_caps.c,v 1.6 2025/06/28 12:20:39 jsing Exp $ */
 /*
  * Copyright (c) 2024 Joel Sing <jsing@openbsd.org>
  *
@@ -102,8 +102,10 @@ crypto_cpu_caps_init(void)
                 caps |= CPUCAP_MASK_AESNI;
                 crypto_cpu_caps_amd64 |= CRYPTO_CPU_CAPS_AMD64_AES;
         }
-        if ((ecx & IA32CAP_MASK1_PCLMUL) != 0)
+        if ((ecx & IA32CAP_MASK1_PCLMUL) != 0) {
                 caps |= CPUCAP_MASK_PCLMUL;
+                crypto_cpu_caps_amd64 |= CRYPTO_CPU_CAPS_AMD64_CLMUL;
+        }
         if ((ecx & IA32CAP_MASK1_SSSE3) != 0)
                 caps |= CPUCAP_MASK_SSSE3;