diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h
index ab3832b93f0a..8321f6053a67 100644
--- a/arch/powerpc/include/asm/checksum.h
+++ b/arch/powerpc/include/asm/checksum.h
@@ -95,16 +95,15 @@ static __always_inline __wsum csum_add(__wsum csum, __wsum addend)
 {
 #ifdef __powerpc64__
 	u64 res = (__force u64)csum;
-#endif
+
+	res += (__force u64)addend;
+	return (__force __wsum)((u32)res + (res >> 32));
+#else
 	if (__builtin_constant_p(csum) && csum == 0)
 		return addend;
 	if (__builtin_constant_p(addend) && addend == 0)
 		return csum;
 
-#ifdef __powerpc64__
-	res += (__force u64)addend;
-	return (__force __wsum)((u32)res + (res >> 32));
-#else
 	asm("addc %0,%0,%1;"
 	    "addze %0,%0;"
 	    : "+r" (csum) : "r" (addend) : "xer");