From 8b5dce85fbfacb84014c49a717e78c08c906b81a Mon Sep 17 00:00:00 2001
From: jsing <jsing@openbsd.org>
Date: Fri, 20 Jan 2023 10:07:52 +0000
Subject: [PATCH] Replace BN_DIV3W with HAVE_BN_DIV_3_WORDS (in bn_arch.h).

ok tb@
---
 lib/libcrypto/arch/mips64/Makefile.inc | 3 +--
 lib/libcrypto/bn/arch/mips64/bn_arch.h | 4 +++-
 lib/libcrypto/bn/bn_div.c              | 7 ++++---
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/libcrypto/arch/mips64/Makefile.inc b/lib/libcrypto/arch/mips64/Makefile.inc
index 3bdcfe03408..2d547f4a5c7 100644
--- a/lib/libcrypto/arch/mips64/Makefile.inc
+++ b/lib/libcrypto/arch/mips64/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.6 2021/05/01 16:11:09 visa Exp $
+# $OpenBSD: Makefile.inc,v 1.7 2023/01/20 10:07:52 jsing Exp $
 
 # mips64-specific libcrypto build rules
 
@@ -10,7 +10,6 @@ SSLASM+= aes aes-mips aes-mips
 SRCS+= bf_enc.c
 # bn
 SSLASM+= bn mips bn-mips
-CFLAGS+= -DBN_DIV3W
 SSLASM+= bn mips-mont mips-mont
 CFLAGS+= -DOPENSSL_BN_ASM_MONT
 # camellia
diff --git a/lib/libcrypto/bn/arch/mips64/bn_arch.h b/lib/libcrypto/bn/arch/mips64/bn_arch.h
index 4d6571f9cb4..6c6212c4a6f 100644
--- a/lib/libcrypto/bn/arch/mips64/bn_arch.h
+++ b/lib/libcrypto/bn/arch/mips64/bn_arch.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bn_arch.h,v 1.1 2023/01/20 10:04:34 jsing Exp $ */
+/*	$OpenBSD: bn_arch.h,v 1.2 2023/01/20 10:07:52 jsing Exp $ */
 /*
  * Copyright (c) 2023 Joel Sing <jsing@openbsd.org>
  *
@@ -20,5 +20,7 @@
 
 #ifndef OPENSSL_NO_ASM
 
+#define HAVE_BN_DIV_3_WORDS
+
 #endif
 #endif
diff --git a/lib/libcrypto/bn/bn_div.c b/lib/libcrypto/bn/bn_div.c
index 47e491ec461..df4b7517d71 100644
--- a/lib/libcrypto/bn/bn_div.c
+++ b/lib/libcrypto/bn/bn_div.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_div.c,v 1.31 2023/01/18 05:29:48 jsing Exp $ */
+/* $OpenBSD: bn_div.c,v 1.32 2023/01/20 10:07:52 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -63,11 +63,12 @@
 #include <openssl/bn.h>
 #include <openssl/err.h>
 
+#include "bn_arch.h"
 #include "bn_local.h"
 
 BN_ULONG bn_div_3_words(const BN_ULONG *m, BN_ULONG d1, BN_ULONG d0);
 
-#ifndef BN_DIV3W
+#ifndef HAVE_BN_DIV_3_WORDS
 
 #if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
 # if defined(__GNUC__) && __GNUC__>=2
@@ -199,7 +200,7 @@ bn_div_3_words(const BN_ULONG *m, BN_ULONG d1, BN_ULONG d0)
 
 	return q;
 }
-#endif /* !BN_DIV3W */
+#endif /* !HAVE_BN_DIV_3_WORDS */
 
 /*
  * BN_div_internal computes quotient := numerator / divisor, rounding towards
-- 
2.20.1