diff --git a/lame-3.100-sw.patch b/lame-3.100-sw.patch
new file mode 100755
index 0000000000000000000000000000000000000000..7a4a834867e5e1c0949ba89685a2ba0cc4d96df6
--- /dev/null
+++ b/lame-3.100-sw.patch
@@ -0,0 +1,54 @@
+diff -Nuar lame-3.100.org/configure lame-3.100.sw/configure
+--- lame-3.100.org/configure	2022-05-26 15:39:59.220000000 +0000
++++ lame-3.100.sw/configure	2022-05-26 15:46:24.500000000 +0000
+@@ -17507,7 +17507,7 @@
+ 				*86)
+ 					OPTIMIZATION="${OPTIMIZATION} -mfancy-math-387"
+ 					;;
+-				alpha*)
++				alpha* | sw_64*)
+ 					OPTIMIZATION="${OPTIMIZATION} -mfp-regs"
+ 
+ $as_echo "#define FLOAT double" >>confdefs.h
+@@ -17670,7 +17670,7 @@
+ # LINUX on Digital/Compaq Alpha CPUs
+ ##########################################################################
+ case $host in
+-alpha*-*-linux*)
++alpha*-*-linux* | sw_64*-*-linux*)
+ 
+ ################################################################
+ #### Check if 'ccc' is in our path
+diff -Nuar lame-3.100.org/libmp3lame/lame.c lame-3.100.sw/libmp3lame/lame.c
+--- lame-3.100.org/libmp3lame/lame.c	2022-05-26 15:39:59.240000000 +0000
++++ lame-3.100.sw/libmp3lame/lame.c	2022-05-26 15:44:51.440000000 +0000
+@@ -48,7 +48,7 @@
+ #include "tables.h"
+ 
+ 
+-#if defined(__FreeBSD__) && !defined(__alpha__)
++#if defined(__FreeBSD__) && !defined(__alpha__) && !defined(__sw_64__)
+ #include <floatingpoint.h>
+ #endif
+ #ifdef __riscos__
+diff -Nuar lame-3.100.org/libmp3lame/util.c lame-3.100.sw/libmp3lame/util.c
+--- lame-3.100.org/libmp3lame/util.c	2022-05-26 15:39:59.240000000 +0000
++++ lame-3.100.sw/libmp3lame/util.c	2022-05-26 15:43:59.070000000 +0000
+@@ -34,7 +34,7 @@
+ #include "tables.h"
+ 
+ #define PRECOMPUTE
+-#if defined(__FreeBSD__) && !defined(__alpha__)
++#if defined(__FreeBSD__) && !defined(__alpha__) && !defined(__sw_64__)
+ # include <machine/floatingpoint.h>
+ #endif
+ 
+@@ -845,7 +845,7 @@
+ 
+ 
+ 
+-#if defined(__FreeBSD__) && !defined(__alpha__)
++#if defined(__FreeBSD__) && !defined(__alpha__) && !defined(__sw_64__)
+     {
+         /* seet floating point mask to the Linux default */
+         fp_except_t mask;
diff --git a/lame.spec b/lame.spec
index 50795ad8d3ab844ff2730b00f2fd0efd9bec07ff..85c5d0059a6e71e656a59718dc820dbdfc931c5a 100644
--- a/lame.spec
+++ b/lame.spec
@@ -1,6 +1,6 @@
 Name:           lame
 Version:        3.100
-Release:        9
+Release:        10
 Summary:        Free MP3 audio compressor
 License:        GPL-2.0+ and GPL-2.0 and LGPL-2.0
 URL:            http://lame.sourceforge.net/
@@ -8,6 +8,7 @@ Source0:        http://downloads.sourceforge.net/sourceforge/lame/%{name}-%{vers
 Patch0001:      lame-noexecstack.patch
 Patch0002:      libmp3lame-symbols.patch
 Patch0003:      0001-fix-fuzz-undefined-behavior-error.patch
+Patch0004:      lame-3.100-sw.patch
 
 BuildRequires:  ncurses-devel gtk+-devel gcc
 
@@ -84,6 +85,9 @@ make test
 %{_bindir}/mp3x
 
 %changelog
+* Fri Oct 21 2022 wuzx<wuzx1226@qq.com> - 3.100-10
+- add sw64 patch
+
 * Thu Jun 03 2021 wulei <wulei80@huawei.com> - 3.100-9
 - fixes failed: no acceptable C compiler found in $PATH