From 58a211d2602df0a39779c84a344b1b4d12deb2d0 Mon Sep 17 00:00:00 2001
From: Jan Beulich <jbeulich@novell.com>
Date: Tue, 6 Nov 2018 11:44:31 +0100
Subject: x86: correctly handle KMOVD with VEX.W set outside of 64-bit mode

For the flavors having a GPR operand VEX.W is ignored outside of 64-bit
mode. The mnemonic should therefore not be KMOVQ.
---
 opcodes/i386-dis.c | 40 ++++++++--------------------------------
 1 file changed, 8 insertions(+), 32 deletions(-)

(limited to 'opcodes/i386-dis.c')

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 82c5785..f3fbf19 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -903,12 +903,10 @@ enum
   MOD_VEX_W_1_0F91_P_2_LEN_0,
   MOD_VEX_W_0_0F92_P_0_LEN_0,
   MOD_VEX_W_0_0F92_P_2_LEN_0,
-  MOD_VEX_W_0_0F92_P_3_LEN_0,
-  MOD_VEX_W_1_0F92_P_3_LEN_0,
+  MOD_VEX_0F92_P_3_LEN_0,
   MOD_VEX_W_0_0F93_P_0_LEN_0,
   MOD_VEX_W_0_0F93_P_2_LEN_0,
-  MOD_VEX_W_0_0F93_P_3_LEN_0,
-  MOD_VEX_W_1_0F93_P_3_LEN_0,
+  MOD_VEX_0F93_P_3_LEN_0,
   MOD_VEX_W_0_0F98_P_0_LEN_0,
   MOD_VEX_W_1_0F98_P_0_LEN_0,
   MOD_VEX_W_0_0F98_P_2_LEN_0,
@@ -1963,10 +1961,8 @@ enum
   VEX_W_0F91_P_2_LEN_0,
   VEX_W_0F92_P_0_LEN_0,
   VEX_W_0F92_P_2_LEN_0,
-  VEX_W_0F92_P_3_LEN_0,
   VEX_W_0F93_P_0_LEN_0,
   VEX_W_0F93_P_2_LEN_0,
-  VEX_W_0F93_P_3_LEN_0,
   VEX_W_0F98_P_0_LEN_0,
   VEX_W_0F98_P_2_LEN_0,
   VEX_W_0F99_P_0_LEN_0,
@@ -9486,7 +9482,7 @@ static const struct dis386 vex_len_table[][2] = {
 
   /* VEX_LEN_0F92_P_3 */
   {
-    { VEX_W_TABLE (VEX_W_0F92_P_3_LEN_0) },
+    { MOD_TABLE (MOD_VEX_0F92_P_3_LEN_0) },
   },
 
   /* VEX_LEN_0F93_P_0 */
@@ -9501,7 +9497,7 @@ static const struct dis386 vex_len_table[][2] = {
 
   /* VEX_LEN_0F93_P_3 */
   {
-    { VEX_W_TABLE (VEX_W_0F93_P_3_LEN_0) },
+    { MOD_TABLE (MOD_VEX_0F93_P_3_LEN_0) },
   },
 
   /* VEX_LEN_0F98_P_0 */
@@ -10000,11 +9996,6 @@ static const struct dis386 vex_w_table[][2] = {
     { MOD_TABLE (MOD_VEX_W_0_0F92_P_2_LEN_0) },
   },
   {
-    /* VEX_W_0F92_P_3_LEN_0 */
-    { MOD_TABLE (MOD_VEX_W_0_0F92_P_3_LEN_0) },
-    { MOD_TABLE (MOD_VEX_W_1_0F92_P_3_LEN_0) },
-  },
-  {
     /* VEX_W_0F93_P_0_LEN_0 */
     { MOD_TABLE (MOD_VEX_W_0_0F93_P_0_LEN_0) },
   },
@@ -10013,11 +10004,6 @@ static const struct dis386 vex_w_table[][2] = {
     { MOD_TABLE (MOD_VEX_W_0_0F93_P_2_LEN_0) },
   },
   {
-    /* VEX_W_0F93_P_3_LEN_0 */
-    { MOD_TABLE (MOD_VEX_W_0_0F93_P_3_LEN_0) },
-    { MOD_TABLE (MOD_VEX_W_1_0F93_P_3_LEN_0) },
-  },
-  {
     /* VEX_W_0F98_P_0_LEN_0 */
     { MOD_TABLE (MOD_VEX_W_0_0F98_P_0_LEN_0) },
     { MOD_TABLE (MOD_VEX_W_1_0F98_P_0_LEN_0) },
@@ -10818,14 +10804,9 @@ static const struct dis386 mod_table[][2] = {
     { "kmovb",		{ MaskG, Rdq }, 0 },
   },
   {
-    /* MOD_VEX_W_0_0F92_P_3_LEN_0 */
-    { Bad_Opcode },
-    { "kmovd",		{ MaskG, Rdq }, 0 },
-  },
-  {
-    /* MOD_VEX_W_1_0F92_P_3_LEN_0 */
+    /* MOD_VEX_0F92_P_3_LEN_0 */
     { Bad_Opcode },
-    { "kmovq",		{ MaskG, Rdq }, 0 },
+    { "kmovK",		{ MaskG, Rdq }, 0 },
   },
   {
     /* MOD_VEX_W_0_0F93_P_0_LEN_0 */
@@ -10838,14 +10819,9 @@ static const struct dis386 mod_table[][2] = {
     { "kmovb",		{ Gdq, MaskR }, 0 },
   },
   {
-    /* MOD_VEX_W_0_0F93_P_3_LEN_0 */
-    { Bad_Opcode },
-    { "kmovd",		{ Gdq, MaskR }, 0 },
-  },
-  {
-    /* MOD_VEX_W_1_0F93_P_3_LEN_0 */
+    /* MOD_VEX_0F93_P_3_LEN_0 */
     { Bad_Opcode },
-    { "kmovq",		{ Gdq, MaskR }, 0 },
+    { "kmovK",		{ Gdq, MaskR }, 0 },
   },
   {
     /* MOD_VEX_W_0_0F98_P_0_LEN_0 */
-- 
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