From 6b40c462310066612636ec7434645ec7b46ff135 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Wed, 24 Aug 2016 15:27:11 -0700
Subject: X86: Add ptwrite instruction
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Implement ptwrite instruction defined in Intel64 and IA-32 Architectures
Software Developer’s Manual, June 2016.

gas/

	* config/tc-i386.c (cpu_arch): Add .ptwrite.
	* doc/c-i386.texi: Document ptwrite and .ptwrite.
	* testsuite/gas/i386/i386.exp: Run ptwrite, ptwrite-intel,
	x86-64-ptwrite and x86-64-ptwrite-intel.
	* testsuite/gas/i386/ptwrite-intel.d: New file.
	* testsuite/gas/i386/ptwrite.d: Likewise.
	* testsuite/gas/i386/ptwrite.s: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite-intel.d: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite.d: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite.s: Likewise.

opcodes/

	* i386-dis.c (PREFIX_MOD_0_0FAE_REG_4): New.
	(PREFIX_MOD_3_0FAE_REG_4): Likewise.
	(prefix_table): Add PREFIX_MOD_0_0FAE_REG_4 and
	PREFIX_MOD_3_0FAE_REG_4.
	(mod_table): Use PREFIX_MOD_0_0FAE_REG_4 and
	PREFIX_MOD_3_0FAE_REG_4.
	* i386-gen.c (cpu_flag_init): Add CPU_PTWRITE_FLAGS.
	(cpu_flags): Add CpuPTWRITE.
	* i386-opc.h (CpuPTWRITE): New.
	(i386_cpu_flags): Add cpuptwrite.
	* i386-opc.tbl: Add ptwrite instruction.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.
---
 opcodes/i386-dis.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

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

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index da20d36..fb75747 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -984,6 +984,8 @@ enum
   PREFIX_0FAE_REG_1,
   PREFIX_0FAE_REG_2,
   PREFIX_0FAE_REG_3,
+  PREFIX_MOD_0_0FAE_REG_4,
+  PREFIX_MOD_3_0FAE_REG_4,
   PREFIX_0FAE_REG_6,
   PREFIX_0FAE_REG_7,
   PREFIX_RM_0_0FAE_REG_7,
@@ -4066,6 +4068,18 @@ static const struct dis386 prefix_table[][4] = {
     { "wrgsbase", { Ev }, 0 },
   },
 
+  /* PREFIX_MOD_0_0FAE_REG_4 */
+  {
+    { "xsave",	{ FXSAVE }, 0 },
+    { "ptwrite%LQ", { Edq }, 0 },
+  },
+
+  /* PREFIX_MOD_3_0FAE_REG_4 */
+  {
+    { Bad_Opcode },
+    { "ptwrite%LQ", { Edq }, 0 },
+  },
+
   /* PREFIX_0FAE_REG_6 */
   {
     { "xsaveopt",      { FXSAVE }, 0 },
@@ -11869,7 +11883,8 @@ static const struct dis386 mod_table[][2] = {
   },
   {
     /* MOD_0FAE_REG_4 */
-    { "xsave",		{ FXSAVE }, 0 },
+    { PREFIX_TABLE (PREFIX_MOD_0_0FAE_REG_4) },
+    { PREFIX_TABLE (PREFIX_MOD_3_0FAE_REG_4) },
   },
   {
     /* MOD_0FAE_REG_5 */
-- 
cgit v1.1