insns.dat: correct the [LD][GI]DT patterns

It is somewhat counterintuitive, but the correct flag for the memory
operand is "OSIZE". The "nw" flag takes care of promoting the default
operand size on 64 bits to 64.

Fixes: #130
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>

Author: H. Peter Anvin

test/gdtidt.asm

@@ -0,0 +1,25 @@
+	default rel
+%use ifunc
+
+%define BREG %selbits(bx,ebx,rbx)
+%define OREG %selbits(ebx,bx,ebx) ; Force a 67 prefix
+
+	lea BREG,lbl
+	lgdt [BREG]
+	sgdt [BREG]
+	lidt [BREG]
+	sidt [BREG]
+
+	lgdt [OREG]
+	sgdt [OREG]
+	lidt [OREG]
+	sidt [OREG]
+
+	lgdt [lbl]
+	sgdt [lbl]
+	lidt [lbl]
+	sidt [lbl]
+
+	hlt
+lbl:
+	times 10 nop

x86/insns.dat

@@ -560,13 +560,13 @@ $wdq  LSL	reg#,rm_sel			[rm:	optd# 0f 03 /r]				286,PROT
       SWAPGS	void				[	0f 01 f8]				X86_64,LONG
       LKGS	rm_sel				[m:	f2 0f 00 /6		]		LKGS,PRIV,LONG
 
-$dq   LGDT	mem#				[m:	0f 01 /2]				286,PRIV,NOLONG32
-$dq   LIDT	mem#				[m:	0f 01 /3]				286,PRIV,NOLONG32
+$wdq  LGDT	mem#				[m:	nw o# 0f 01 /2]				286,PRIV,OSIZE
+$wdq  LIDT	mem#				[m:	nw o# 0f 01 /3]				286,PRIV,OSIZE
 $zwdq LLDT	sel#				[m:	optw# 0f 00 /2]				286,PROT,PRIV
 $zwdq LTR	sel#				[m:	optw# 0f 00 /3]				286,PROT,PRIV
 
-$dq   SGDT	mem#				[m:	nw o# 0f 01 /0]				286
-$dq   SIDT	mem#				[m:	nw o# 0f 01 /1]				286
+$wdq  SGDT	mem#				[m:	nw o# 0f 01 /0]				286,OSIZE
+$wdq  SIDT	mem#				[m:	nw o# 0f 01 /1]				286,OSIZE
 $zwdq SLDT	sel#				[m:	optd# 0f 00 /0]				286,PROT
 $zwdq STR	sel#				[m:	optd# 0f 00 /1]				286,PROT