From 5315fbb223086c078c979d16734844ccff12f087 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 26 Aug 2010 11:56:07 +0300
Subject: [PATCH] KVM: x86 emulator: simplify ALU block (opcodes 00-3F) decode
 flags

Use the new byte/word dual opcode decode.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
 arch/x86/kvm/emulate.c | 40 ++++++++++++++++------------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 1a230b5..277e667 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2385,42 +2385,34 @@ static struct group_dual group9 = { {
 
 static struct opcode opcode_table[256] = {
 	/* 0x00 - 0x07 */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImm), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	D(ImplicitOps | Stack | No64), D(ImplicitOps | Stack | No64),
 	/* 0x08 - 0x0F */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImm), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	D(ImplicitOps | Stack | No64), N,
 	/* 0x10 - 0x17 */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImm), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	D(ImplicitOps | Stack | No64), D(ImplicitOps | Stack | No64),
 	/* 0x18 - 0x1F */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImm), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	D(ImplicitOps | Stack | No64), D(ImplicitOps | Stack | No64),
 	/* 0x20 - 0x27 */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImmByte), D(DstAcc | SrcImm), N, N,
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm), N, N,
 	/* 0x28 - 0x2F */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImmByte), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	N, I(ByteOp | DstAcc | No64, em_das),
 	/* 0x30 - 0x37 */
-	D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImmByte), D(DstAcc | SrcImm), N, N,
+	D2bv(DstMem | SrcReg | ModRM | Lock), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm), N, N,
 	/* 0x38 - 0x3F */
-	D(ByteOp | DstMem | SrcReg | ModRM), D(DstMem | SrcReg | ModRM),
-	D(ByteOp | DstReg | SrcMem | ModRM), D(DstReg | SrcMem | ModRM),
-	D(ByteOp | DstAcc | SrcImm), D(DstAcc | SrcImm),
+	D2bv(DstMem | SrcReg | ModRM), D2bv(DstReg | SrcMem | ModRM),
+	D2bv(DstAcc | SrcImm),
 	N, N,
 	/* 0x40 - 0x4F */
 	X16(D(DstReg)),
-- 
2.7.4