diff --git a/tar-1.34-sw.patch b/tar-1.34-sw.patch
new file mode 100755
index 0000000000000000000000000000000000000000..557af1424238bd520ca8bbeee0a4d65be5ba1371
--- /dev/null
+++ b/tar-1.34-sw.patch
@@ -0,0 +1,65 @@
+diff -Naur tar-1.34.org/configure tar-1.34.sw/configure
+--- tar-1.34.org/configure	2022-02-14 08:04:01.320000000 +0000
++++ tar-1.34.sw/configure	2022-02-14 08:16:19.130000000 +0000
+@@ -40564,7 +40564,7 @@
+        case "$gl_cv_host_cpu_c_abi" in
+          i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
+            gl_cv_host_cpu_c_abi_32bit=yes ;;
+-         x86_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
++         x86_64 | sw_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
+            gl_cv_host_cpu_c_abi_32bit=no ;;
+          *)
+            gl_cv_host_cpu_c_abi_32bit=unknown ;;
+@@ -40593,7 +40593,7 @@
+            ;;
+ 
+          # CPUs that only support a 64-bit ABI.
+-         alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
++         sw_64* | alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
+          | mmix )
+            gl_cv_host_cpu_c_abi_32bit=no
+            ;;
+diff -Naur tar-1.34.org/m4/host-cpu-c-abi.m4 tar-1.34.sw/m4/host-cpu-c-abi.m4
+--- tar-1.34.org/m4/host-cpu-c-abi.m4	2022-02-14 08:04:01.200000000 +0000
++++ tar-1.34.sw/m4/host-cpu-c-abi.m4	2022-02-14 08:17:34.910000000 +0000
+@@ -91,6 +91,12 @@
+          ;;
+ 
+ changequote(,)dnl
++       sw_64* )
++changequote([,])dnl
++         gl_cv_host_cpu_c_abi=sw_64
++         ;;
++
++changequote(,)dnl
+        alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] )
+ changequote([,])dnl
+          gl_cv_host_cpu_c_abi=alpha
+@@ -355,6 +361,9 @@
+ #ifndef __x86_64__
+ #undef __x86_64__
+ #endif
++#ifndef __sw_64__
++#undef __sw_64__
++#endif
+ #ifndef __alpha__
+ #undef __alpha__
+ #endif
+@@ -468,7 +477,7 @@
+        case "$gl_cv_host_cpu_c_abi" in
+          i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
+            gl_cv_host_cpu_c_abi_32bit=yes ;;
+-         x86_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
++         x86_64 | sw_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
+            gl_cv_host_cpu_c_abi_32bit=no ;;
+          *)
+            gl_cv_host_cpu_c_abi_32bit=unknown ;;
+@@ -498,7 +507,7 @@
+ 
+          # CPUs that only support a 64-bit ABI.
+ changequote(,)dnl
+-         alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
++         sw_64* | alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
+          | mmix )
+ changequote([,])dnl
+            gl_cv_host_cpu_c_abi_32bit=no
diff --git a/tar.spec b/tar.spec
index 726cb354777f1cdae5916913662e190497d75bfb..2adf6c27263e55bf241fe5fd2d6c064d70c3c3c7 100644
--- a/tar.spec
+++ b/tar.spec
@@ -17,6 +17,7 @@ Patch0002:     tar-1.28-vfatTruncate.patch
 Patch0003:     tar-1.29-wildcards.patch
 Patch0004:     tar-1.28-atime-rofs.patch
 Patch0005:     tar-1.28-document-exclude-mistakes.patch
+Patch0006:     tar-1.34-sw.patch
 
 %description
 GNU Tar provides the ability to create tar archives, as well as various other
@@ -75,6 +76,9 @@ make check
 %{_infodir}/tar.info*
 
 %changelog
+* Wed Jul 20 2022 wuzx<wuzx1226@qq.com> - 1.34-2
+- add sw64 patch
+
 * Sat Nov 13 2021 shixuantong <shixuantong> - 1.34-1
 - update version to 1.34