--- nono/fpe/fpu_explode.c	2026/04/29 17:04:28	1.1
+++ nono/fpe/fpu_explode.c	2026/04/29 17:05:23	1.1.1.2
@@ -1,4 +1,4 @@
-/*	$NetBSD: fpu_explode.c,v 1.15 2015/02/05 12:23:27 isaki Exp $ */
+/*	$NetBSD: fpu_explode.c,v 1.16 2021/03/08 14:37:55 isaki Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -318,11 +318,6 @@ fpu_explode(struct fpemu *fe, struct fpn
 	fp->fp_sign = s >> 31;
 	fp->fp_sticky = 0;
 	switch (type) {
-
-	case FTYPE_BYT:
-		s >>= 8;
-	case FTYPE_WRD:
-		s >>= 16;
 	case FTYPE_LNG:
 		s = fpu_itof(fp, s);
 		break;
@@ -345,6 +340,10 @@ fpu_explode(struct fpemu *fe, struct fpn
 		break;
 #endif
 
+	case FTYPE_BYT:
+	case FTYPE_WRD:
+		/* Caller must cast it to signed LNG instead of calling this */
+		/* FALLTHROUGH */
 	default:
 #if defined(XM6i_FPE)
 		/* 何も出来ることがない */