--- pgp/src/80386.s	2018/04/24 16:38:20	1.1.1.2
+++ pgp/src/80386.s	2018/04/24 16:39:04	1.1.1.3
@@ -11,13 +11,13 @@
 **
  */
 
-#if defined(__GNUC__) || defined(__ASSEMBLER__)
+#ifndef SYSV
 #ifdef __STDC__
 #define	ENTRY(name)	.align 4 ; .globl _##name ; _##name:
 #else
 #define	ENTRY(name)	.align 4 ; .globl _/**/name ; _/**/name:
 #endif
-#else /* !__GNUC__ */
+#else /* SYSV */
 #define	ENTRY(name)	.align 4 ; .globl name ; name:
 #endif
 
@@ -337,17 +337,31 @@ ENTRY (p_quo_digit)
 
 	movl _mshift,%ecx
 	cmpl $32,_mshift
-	je 2f
+	je L2
+#if 0
+	shrl %cl,%eax
+	movl %edx,%ebx
+	shrl %cl,%edx
+	negl %ecx
+	addl $32,%ecx
+	shll %cl,%ebx
+	addl %ebx,%eax          /* dx:ax = q >> mshift */
+#else
+#ifdef SYSV
+	shrdl %edx,%eax
+#else
 	shrdl %cl,%edx,%eax
+#endif
 	shrl %cl,%edx
+#endif
 
 	orl %edx,%edx
-	je 1f
+	je L1
 	movl $-1,%eax
-	jmp 1f
-2:	
+	jmp L1
+L2:
 	xchgl %edx,%eax
-1:
+L1:
 	popl %edi
 	popl %esi
 	popl %ebx