diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 175cb41e8..75daf1a94 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-12  Mark Kettenis  <kettenis@gnu.org>
+
+	* i386.h (i386_optab): Mark VIA PadLock instructions as ImmExt and
+	adjust them accordingly.
+
 2005-04-01  Jan Beulich  <jbeulich@novell.com>
 
 	* i386.h (i386_optab): Add rdtscp.
diff --git a/include/opcode/i386.h b/include/opcode/i386.h
index ca80d0ab8..240acb9cb 100644
--- a/include/opcode/i386.h
+++ b/include/opcode/i386.h
@@ -1378,16 +1378,16 @@ static const template i386_optab[] =
 {"rdtscp",   0, 0x0f01, 0xf9, CpuSledgehammer,NoSuf|ImmExt,	{ 0, 0, 0} },
 
 /* VIA PadLock extensions.  */
-{"xstorerng", 0, 0x000fa7c0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xcryptecb", 0, 0xf30fa7c8, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xcryptcbc", 0, 0xf30fa7d0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xcryptcfb", 0, 0xf30fa7e0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xcryptofb", 0, 0xf30fa7e8, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"montmul",   0, 0xf30fa6c0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xsha1",     0, 0xf30fa6c8, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
-{"xsha256",   0, 0xf30fa6d0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xstorerng", 0, 0x000fa7, 0xc0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xcryptecb", 0, 0xf30fa7, 0xc8, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xcryptcbc", 0, 0xf30fa7, 0xd0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xcryptcfb", 0, 0xf30fa7, 0xe0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xcryptofb", 0, 0xf30fa7, 0xe8, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"montmul",   0, 0xf30fa6, 0xc0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xsha1",     0, 0xf30fa6, 0xc8, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
+{"xsha256",   0, 0xf30fa6, 0xd0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
 /* Alias for xstorerng.  */
-{"xstore",    0, 0x000fa7c0, X, Cpu686|CpuPadLock, NoSuf|IsString, { 0, 0, 0} },
+{"xstore",    0, 0x000fa7, 0xc0, Cpu686|CpuPadLock, NoSuf|IsString|ImmExt, { 0, 0, 0} },
 
 /* sentinel */
 {NULL, 0, 0, 0, 0, 0, { 0, 0, 0} }