diff --git a/tix-Add-sw64-architecture.patch b/tix-Add-sw64-architecture.patch
new file mode 100644
index 0000000..b6655b6
--- /dev/null
+++ b/tix-Add-sw64-architecture.patch
@@ -0,0 +1,64 @@
+From de5e0b32b18e261f11b79805ad46215dc2bf4213 Mon Sep 17 00:00:00 2001
+From: Wu Zixuan <wuzx1226@qq.com>
+Date: Mon, 28 Nov 2022 16:41:47 +0800
+Subject: [PATCH] Add sw64 architecture
+
+Add sw64 architecture in file configure tclconfig/tcl.m4 to support sw64 architecture.
+
+Signed-off-by: Wu Zixuan <wuzx1226@qq.com>
+---
+ configure        | 6 ++++++
+ tclconfig/tcl.m4 | 6 ++++++
+ 2 files changed, 12 insertions(+)
+
+diff --git a/configure b/configure
+index 55fafea..5aebb49 100755
+--- a/configure
++++ b/configure
+@@ -8935,6 +8935,9 @@ echo "$as_me: WARNING: 64bit mode not supported by gcc" >&2;}
+ 	    if test "`uname -m`" = "alpha" ; then
+ 		CFLAGS="$CFLAGS -mieee"
+ 	    fi
++	    if test "`uname -m`" = "sw_64" ; then
++		CFLAGS="$CFLAGS -mieee"
++	    fi
+ 	    if test $do64bit = yes; then
+ 		echo "$as_me:$LINENO: checking if compiler accepts -m64 flag" >&5
+ echo $ECHO_N "checking if compiler accepts -m64 flag... $ECHO_C" >&6
+@@ -9026,6 +9029,9 @@ echo "${ECHO_T}$tcl_cv_cc_m64" >&6
+ 	    if test "`uname -m`" = "alpha" ; then
+ 		CFLAGS="$CFLAGS -mieee"
+ 	    fi
++	    if test "`uname -m`" = "sw_64" ; then
++		CFLAGS="$CFLAGS -mieee"
++	    fi
+ 	    ;;
+ 	Lynx*)
+ 	    SHLIB_CFLAGS="-fPIC"
+diff --git a/tclconfig/tcl.m4 b/tclconfig/tcl.m4
+index b7d1c44..490bffc 100644
+--- a/tclconfig/tcl.m4
++++ b/tclconfig/tcl.m4
+@@ -1461,6 +1461,9 @@ dnl AC_CHECK_TOOL(AR, ar)
+ 	    if test "`uname -m`" = "alpha" ; then
+ 		CFLAGS="$CFLAGS -mieee"
+ 	    fi
++	    if test "`uname -m`" = "sw_64" ; then
++		CFLAGS="$CFLAGS -mieee"
++	    fi
+ 	    if test $do64bit = yes; then
+ 		AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
+ 		    hold_cflags=$CFLAGS
+@@ -1499,6 +1502,9 @@ dnl AC_CHECK_TOOL(AR, ar)
+ 	    if test "`uname -m`" = "alpha" ; then
+ 		CFLAGS="$CFLAGS -mieee"
+ 	    fi
++	    if test "`uname -m`" = "sw_64" ; then
++		CFLAGS="$CFLAGS -mieee"
++	    fi
+ 	    ;;
+ 	Lynx*)
+ 	    SHLIB_CFLAGS="-fPIC"
+-- 
+2.33.0
+
diff --git a/tix.spec b/tix.spec
index 09ff0fd..93cad68 100644
--- a/tix.spec
+++ b/tix.spec
@@ -3,7 +3,7 @@ Name: tix
 Summary: the Tk Interface eXtension
 Epoch: 1
 Version: 8.4.3
-Release: 26
+Release: 27
 License: TCL
 URL: http://tix.sourceforge.net/
 Source0: http://downloads.sourceforge.net/project/%{name}/%{name}/%{version}/Tix%{version}-src.tar.gz
@@ -11,6 +11,7 @@ Source0: http://downloads.sourceforge.net/project/%{name}/%{name}/%{version}/Tix
 Patch0: tix-8.4.2-link.patch
 Patch1: tix-8.4.3-tcl86.patch
 Patch2: tix-8.4.3-covscan-fixes.patch
+Patch3: tix-Add-sw64-architecture.patch
 
 Buildrequires: tcl-devel >= 8.4.13 tk-devel >= 8.4.13 libX11-devel gcc
 
@@ -90,5 +91,8 @@ find docs -name .cvsignore -exec rm '{}' ';'
 %doc *.txt *.html
 
 %changelog
+* Tue Nov 29 2022 wuzx<wuzx1226@qq.com> - 1:8.4.3-27
+- Add sw64 architecture
+
 * Fri Dec 6 2019 caomeng<caomeng5@huawei.com> - 1:8.4.3-26
-- Package init
\ No newline at end of file
+- Package init