--- np2/i386c/ia32/resolve.c	2003/12/08 00:55:31	1.1
+++ np2/i386c/ia32/resolve.c	2004/01/23 14:33:26	1.4
@@ -1,4 +1,4 @@
-/*	$Id: resolve.c,v 1.1 2003/12/08 00:55:31 yui Exp $	*/
+/*	$Id: resolve.c,v 1.4 2004/01/23 14:33:26 monaka Exp $	*/
 
 /*
  * Copyright (c) 2002-2003 NONAKA Kimihiro
@@ -40,6 +40,8 @@ DWORD
 calc_ea_dst(DWORD op)
 {
 
+	__ASSERT(op < 0x100);
+
 	if (!CPU_INST_AS32)
 		return ((*calc_ea_dst_tbl[op])() & 0xffff);
 	return (*calc_ea32_dst_tbl[op])();
@@ -352,11 +354,10 @@ ea32_sib(void)
 	DWORD base, idx, scale;
 
 	GET_PCBYTE(op);
-	dst = 0;	/* compiler happy */
-
 	base = op & 7;
 	idx = (op >> 3) & 7;
 	scale = (op >> 6) & 3;
+
 	switch (base) {
 	case 0: case 1: case 2: case 3: case 6: case 7:
 		CPU_INST_SEGREG_INDEX = DS_FIX;
@@ -372,6 +373,11 @@ ea32_sib(void)
 		CPU_INST_SEGREG_INDEX = DS_FIX;
 		GET_PCDWORD(dst);
 		break;
+
+	default:
+		dst = 0;	/* compiler happy */
+		ia32_panic("ea32_sib: invalid base = %d", base);
+		break;
 	}
 	if (idx != 4)
 		dst += CPU_REGS_DWORD(idx) << scale;
@@ -452,11 +458,12 @@ ea32_sib_disp8(void)
 	DWORD base, idx, scale;
 
 	GET_PCBYTE(op);
-	GET_PCBYTESD(adrs);
-
 	base = op & 7;
 	idx = (op >> 3) & 7;
 	scale = (op >> 6) & 3;
+
+	GET_PCBYTESD(adrs);
+
 	switch (base) {
 	case 0: case 1: case 2: case 3: case 6: case 7:
 		CPU_INST_SEGREG_INDEX = DS_FIX;
@@ -549,11 +556,12 @@ ea32_sib_disp32(void)
 	DWORD base, idx, scale;
 
 	GET_PCBYTE(op);
-	GET_PCDWORD(adrs);
-
 	base = op & 7;
 	idx = (op >> 3) & 7;
 	scale = (op >> 6) & 3;
+
+	GET_PCDWORD(adrs);
+
 	switch (base) {
 	case 0: case 1: case 2: case 3: case 6: case 7:
 		CPU_INST_SEGREG_INDEX = DS_FIX;