diff -Nuar yasm-1.3.0.org/configure yasm-1.3.0.sw/configure
--- yasm-1.3.0.org/configure	2022-05-26 14:47:18.140000000 +0000
+++ yasm-1.3.0.sw/configure	2022-05-26 14:50:16.340000000 +0000
@@ -10262,7 +10262,7 @@
 typedef unsigned long long uint64_t;
 #endif
 
-#elif defined __alpha || (defined __mips && defined _ABIN32)
+#elif defined __alpha || defined __sw_64 || (defined __mips && defined _ABIN32)
 #if !defined _NO_LONGLONG
 typedef long int64_t;
 typedef unsigned long uint64_t;
diff -Nuar yasm-1.3.0.org/m4/ax_create_stdint_h.m4 yasm-1.3.0.sw/m4/ax_create_stdint_h.m4
--- yasm-1.3.0.org/m4/ax_create_stdint_h.m4	2022-05-26 14:47:18.330000000 +0000
+++ yasm-1.3.0.sw/m4/ax_create_stdint_h.m4	2022-05-26 14:47:53.800000000 +0000
@@ -392,7 +392,7 @@
 typedef unsigned long long uint64_t;
 #endif
 
-#elif defined __alpha || (defined __mips && defined _ABIN32)
+#elif defined __alpha || defined _sw_64 || (defined __mips && defined _ABIN32)
 #if !defined _NO_LONGLONG
 typedef long int64_t;
 typedef unsigned long uint64_t;
diff -Nuar yasm-1.3.0.org/m4/intdiv0.m4 yasm-1.3.0.sw/m4/intdiv0.m4
--- yasm-1.3.0.org/m4/intdiv0.m4	2022-05-26 14:47:18.330000000 +0000
+++ yasm-1.3.0.sw/m4/intdiv0.m4	2022-05-26 14:48:19.760000000 +0000
@@ -54,7 +54,7 @@
         [
           # Guess based on the CPU.
           case "$host_cpu" in
-            alpha* | i[34567]86 | m68k | s390*)
+            alpha* | sw_64* | i[34567]86 | m68k | s390*)
               gt_cv_int_divbyzero_sigfpe="guessing yes";;
             *)
               gt_cv_int_divbyzero_sigfpe="guessing no";;
diff -Nuar yasm-1.3.0.org/modules/objfmts/elf/elf.h yasm-1.3.0.sw/modules/objfmts/elf/elf.h
--- yasm-1.3.0.org/modules/objfmts/elf/elf.h	2022-05-26 14:47:18.250000000 +0000
+++ yasm-1.3.0.sw/modules/objfmts/elf/elf.h	2022-05-26 14:56:18.410000000 +0000
@@ -75,7 +75,8 @@
     EM_SPARCV9 = 43,                            /* SPARC v9 64-bit */
     EM_IA_64 = 50,                              /* Intel IA-64 */
     EM_X86_64 = 62,                             /* AMD x86-64 */
-    EM_ALPHA = 0x9026                           /* Alpha (no ABI) */
+    EM_ALPHA = 0x9026,                           /* Alpha (no ABI) */
+    EM_SW_64 = 0x9916                           /* Sw_64 (no ABI) */
 } elf_machine;
 
 typedef enum {
