diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 52f7b891395..7ade597ade4 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,16 @@
+2020-07-14  Jan Beulich  <jbeulich@suse.com>
+
+	* i386-dis.c (PREFIX_EVEX_0F2C, PREFIX_EVEX_0F2D,
+	PREFIX_EVEX_0F2E, PREFIX_EVEX_0F2F): Delete.
+	(prefix_table): Add EXxEVexS operand to vcvttss2si, vcvttsd2si,
+	vcvtss2si, vcvtsd2si, vucomiss, and vucomisd table entries.
+	Retain X macro and PREFIX_OPCODE use from tjhe EVEX table for
+	the latter two.
+	* i386-dis-evex.h (evex_table): Reference VEX table for opcodes
+	0F2C, 0F2D, 0F2E, and 0F2F.
+	* i386-dis-evex-prefix.h: Delete opcode 0F2C, 0F2D, 0F2E, and
+	0F2F table entries.
+
 2020-07-14  Jan Beulich  <jbeulich@suse.com>
 
 	* i386-dis.c (OP_VexR, VexScalarR): New.
diff --git a/opcodes/i386-dis-evex-prefix.h b/opcodes/i386-dis-evex-prefix.h
index 8e2c361539b..9b3553259cb 100644
--- a/opcodes/i386-dis-evex-prefix.h
+++ b/opcodes/i386-dis-evex-prefix.h
@@ -32,32 +32,6 @@
     { Bad_Opcode },
     { VEX_W_TABLE (EVEX_W_0F2A_P_3) },
   },
-  /* PREFIX_EVEX_0F2C */
-  {
-    { Bad_Opcode },
-    { "vcvttss2si",	{ Gdq, EXxmm_md, EXxEVexS }, 0 },
-    { Bad_Opcode },
-    { "vcvttsd2si",	{ Gdq, EXxmm_mq, EXxEVexS }, 0 },
-  },
-  /* PREFIX_EVEX_0F2D */
-  {
-    { Bad_Opcode },
-    { "vcvtss2si",	{ Gdq, EXxmm_md, EXxEVexR }, 0 },
-    { Bad_Opcode },
-    { "vcvtsd2si",	{ Gdq, EXxmm_mq, EXxEVexR }, 0 },
-  },
-  /* PREFIX_EVEX_0F2E */
-  {
-    { "vucomisX",	{ XMScalar, EXxmm_md, EXxEVexS }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { "vucomisX",	{ XMScalar, EXxmm_mq, EXxEVexS }, PREFIX_OPCODE },
-  },
-  /* PREFIX_EVEX_0F2F */
-  {
-    { "vcomisX",	{ XMScalar, EXxmm_md, EXxEVexS }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { "vcomisX",	{ XMScalar, EXxmm_mq, EXxEVexS }, PREFIX_OPCODE },
-  },
   /* PREFIX_EVEX_0F51 */
   {
     { "vsqrtpX",	{ XM, EXx, EXxEVexR }, PREFIX_OPCODE },
diff --git a/opcodes/i386-dis-evex.h b/opcodes/i386-dis-evex.h
index 1f6635d2923..120c55d566d 100644
--- a/opcodes/i386-dis-evex.h
+++ b/opcodes/i386-dis-evex.h
@@ -51,10 +51,10 @@ static const struct dis386 evex_table[][256] = {
     { "vmovapX",	{ EXxS, XM }, PREFIX_OPCODE },
     { PREFIX_TABLE (PREFIX_EVEX_0F2A) },
     { MOD_TABLE (MOD_EVEX_0F2B) },
-    { PREFIX_TABLE (PREFIX_EVEX_0F2C) },
-    { PREFIX_TABLE (PREFIX_EVEX_0F2D) },
-    { PREFIX_TABLE (PREFIX_EVEX_0F2E) },
-    { PREFIX_TABLE (PREFIX_EVEX_0F2F) },
+    { PREFIX_TABLE (PREFIX_VEX_0F2C) },
+    { PREFIX_TABLE (PREFIX_VEX_0F2D) },
+    { PREFIX_TABLE (PREFIX_VEX_0F2E) },
+    { PREFIX_TABLE (PREFIX_VEX_0F2F) },
     /* 30 */
     { Bad_Opcode },
     { Bad_Opcode },
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 3b8eb300974..acee3c9416f 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -1411,10 +1411,6 @@ enum
   PREFIX_EVEX_0F12,
   PREFIX_EVEX_0F16,
   PREFIX_EVEX_0F2A,
-  PREFIX_EVEX_0F2C,
-  PREFIX_EVEX_0F2D,
-  PREFIX_EVEX_0F2E,
-  PREFIX_EVEX_0F2F,
   PREFIX_EVEX_0F51,
   PREFIX_EVEX_0F58,
   PREFIX_EVEX_0F59,
@@ -4664,31 +4660,31 @@ static const struct dis386 prefix_table[][4] = {
   /* PREFIX_VEX_0F2C */
   {
     { Bad_Opcode },
-    { "vcvttss2si",	{ Gdq, EXxmm_md }, 0 },
+    { "vcvttss2si",	{ Gdq, EXxmm_md, EXxEVexS }, 0 },
     { Bad_Opcode },
-    { "vcvttsd2si",	{ Gdq, EXxmm_mq }, 0 },
+    { "vcvttsd2si",	{ Gdq, EXxmm_mq, EXxEVexS }, 0 },
   },
 
   /* PREFIX_VEX_0F2D */
   {
     { Bad_Opcode },
-    { "vcvtss2si",	{ Gdq, EXxmm_md }, 0 },
+    { "vcvtss2si",	{ Gdq, EXxmm_md, EXxEVexR }, 0 },
     { Bad_Opcode },
-    { "vcvtsd2si",	{ Gdq, EXxmm_mq }, 0 },
+    { "vcvtsd2si",	{ Gdq, EXxmm_mq, EXxEVexR }, 0 },
   },
 
   /* PREFIX_VEX_0F2E */
   {
-    { "vucomiss",	{ XMScalar, EXxmm_md }, 0 },
+    { "vucomisX",	{ XMScalar, EXxmm_md, EXxEVexS }, PREFIX_OPCODE },
     { Bad_Opcode },
-    { "vucomisd",	{ XMScalar, EXxmm_mq }, 0 },
+    { "vucomisX",	{ XMScalar, EXxmm_mq, EXxEVexS }, PREFIX_OPCODE },
   },
 
   /* PREFIX_VEX_0F2F */
   {
-    { "vcomiss",	{ XMScalar, EXxmm_md }, 0 },
+    { "vcomisX",	{ XMScalar, EXxmm_md, EXxEVexS }, PREFIX_OPCODE },
     { Bad_Opcode },
-    { "vcomisd",	{ XMScalar, EXxmm_mq }, 0 },
+    { "vcomisX",	{ XMScalar, EXxmm_mq, EXxEVexS }, PREFIX_OPCODE },
   },
 
   /* PREFIX_VEX_0F41 */