Index: head/sys/powerpc/powerpc/db_disasm.c
===================================================================
--- head/sys/powerpc/powerpc/db_disasm.c
+++ head/sys/powerpc/powerpc/db_disasm.c
@@ -224,7 +224,7 @@
 	{ "ldx",	0xfc0007fe, 0x7c00002a, Op_D | Op_A | Op_B },
 	{ "lwzx",	0xfc0007fe, 0x7c00002e, Op_D | Op_A | Op_B },
 	{ "slw",	0xfc0007fe, 0x7c000030, Op_D | Op_A | Op_B | Op_Rc },
-	{ "cntlzw",	0xfc0007fe, 0x7c000034, Op_D | Op_A | Op_Rc },
+	{ "cntlzw",	0xfc0007fe, 0x7c000034, Op_S | Op_A | Op_Rc },
 	{ "sld",	0xfc0007fe, 0x7c000036, Op_D | Op_A | Op_B | Op_Rc },
 	{ "and",	0xfc0007fe, 0x7c000038, Op_D | Op_A | Op_B | Op_Rc },
 	{ "cmplw",	0xfc2007fe, 0x7c000040, Op_crfD | Op_A | Op_B },