Add support for intel TSXLDTRK instructions$

gas/

	* config/tc-i386.c (cpu_arch): Add .TSXLDTRK.
	(cpu_noarch): Likewise.
	* doc/c-i386.texi: Document TSXLDTRK.
	* testsuite/gas/i386/i386.exp: Run TSXLDTRK tests.
	* testsuite/gas/i386/tsxldtrk.d: Likewise.
	* testsuite/gas/i386/tsxldtrk.s: Likewise.
	* testsuite/gas/i386/x86-64-tsxldtrk.d: Likewise.

opcodes/

	* i386-dis.c (enum): Add PREFIX_0F01_REG_5_MOD_3_RM_1,
	(prefix_table): New instructions (see prefixes above).
	(rm_table): Likewise.
	* i386-gen.c (cpu_flag_init): Add CPU_TSXLDTRK_FLAGS,
	CPU_ANY_TSXLDTRK_FLAGS.
	(cpu_flags): Add CpuTSXLDTRK.
	* i386-opc.h (enum): Add CpuTSXLDTRK.
	(i386_cpu_flags): Add cputsxldtrk.
	* i386-opc.tbl: Add XSUSPLDTRK insns.
	* i386-init.h: Regenerate.
	* i386-tbl.h: Likewise.

7 files changed, 50 insertions, 1 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index ca26b79..09cd4ae 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2020-04-07  Lili Cui  <lili.cui@intel.com>
+
+	* config/tc-i386.c (cpu_arch): Add .TSXLDTRK.
+	(cpu_noarch): Likewise.
+	* doc/c-i386.texi: Document TSXLDTRK.
+	* testsuite/gas/i386/i386.exp: Run TSXLDTRK tests.
+	* testsuite/gas/i386/tsxldtrk.d: Likewise.
+	* testsuite/gas/i386/tsxldtrk.s: Likewise.
+	* testsuite/gas/i386/x86-64-tsxldtrk.d: Likewise.
+
 2020-04-02  Lili Cui  <lili.cui@intel.com>
 
 	* config/tc-i386.c (cpu_arch): Add .serialize.
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index d67532c..093497b 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1214,6 +1214,8 @@ static const arch_entry cpu_arch[] =
     CPU_MCOMMIT_FLAGS, 0 },
   { STRING_COMMA_LEN (".sev_es"), PROCESSOR_UNKNOWN,
     CPU_SEV_ES_FLAGS, 0 },
+  { STRING_COMMA_LEN (".tsxldtrk"), PROCESSOR_UNKNOWN,
+    CPU_TSXLDTRK_FLAGS, 0 },
 };
 
 static const noarch_entry cpu_noarch[] =
@@ -1258,6 +1260,7 @@ static const noarch_entry cpu_noarch[] =
   { STRING_COMMA_LEN ("noavx512_vp2intersect"), CPU_ANY_SHSTK_FLAGS },
   { STRING_COMMA_LEN ("noenqcmd"), CPU_ANY_ENQCMD_FLAGS },
   { STRING_COMMA_LEN ("noserialize"), CPU_ANY_SERIALIZE_FLAGS },
+  { STRING_COMMA_LEN ("notsxldtrk"), CPU_ANY_TSXLDTRK_FLAGS },
 };
 
 #ifdef I386COFF
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index d42148e..8141a84 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -188,6 +188,7 @@ accept various extension mnemonics.  For example,
 @code{movdir64b},
 @code{enqcmd},
 @code{serialize},
+@code{tsxldtrk},
 @code{avx512f},
 @code{avx512cd},
 @code{avx512er},
@@ -223,6 +224,7 @@ accept various extension mnemonics.  For example,
 @code{noavx512_bf16},
 @code{noenqcmd},
 @code{noserialize},
+@code{notsxldtrk},
 @code{vmx},
 @code{vmfunc},
 @code{smx},
@@ -1495,7 +1497,7 @@ supported on the CPU specified.  The choices for @var{cpu_type} are:
 @item @samp{.clwb} @tab @samp{.rdpid} @tab @samp{.ptwrite} @tab @item @samp{.ibt}
 @item @samp{.wbnoinvd} @tab @samp{.pconfig} @tab @samp{.waitpkg} @tab @samp{.cldemote}
 @item @samp{.shstk} @tab @samp{.gfni} @tab @samp{.vaes} @tab @samp{.vpclmulqdq}
-@item @samp{.movdiri} @tab @samp{.movdir64b} @tab @samp{.enqcmd}
+@item @samp{.movdiri} @tab @samp{.movdir64b} @tab @samp{.enqcmd} @tab @samp{.tsxldtrk}
 @item @samp{.3dnow} @tab @samp{.3dnowa} @tab @samp{.sse4a} @tab @samp{.sse5}
 @item @samp{.syscall} @tab @samp{.rdtscp} @tab @samp{.svme}
 @item @samp{.lwp} @tab @samp{.fma4} @tab @samp{.xop} @tab @samp{.cx16}
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 7961bb1..9dacc11 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -477,6 +477,7 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "enqcmd-intel"
     run_list_test "enqcmd-inval"
     run_dump_test "serialize"
+    run_dump_test "tsxldtrk"
     run_dump_test "vp2intersect"
     run_dump_test "vp2intersect-intel"
     run_list_test "vp2intersect-inval-bcast"
@@ -1054,6 +1055,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-enqcmd-intel"
     run_list_test "x86-64-enqcmd-inval"
     run_dump_test "x86-64-serialize"
+    run_dump_test "x86-64-tsxldtrk"
     run_dump_test "x86-64-vp2intersect"
     run_dump_test "x86-64-vp2intersect-intel"
     run_list_test "x86-64-vp2intersect-inval-bcast"
diff --git a/gas/testsuite/gas/i386/tsxldtrk.d b/gas/testsuite/gas/i386/tsxldtrk.d
new file mode 100644
index 0000000..26df4ca
--- /dev/null
+++ b/gas/testsuite/gas/i386/tsxldtrk.d
@@ -0,0 +1,13 @@
+#as:
+#objdump: -dw
+#name: TSXLDTRK insns
+#source: tsxldtrk.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+ +[a-f0-9]+:	f2 0f 01 e8          	xsuspldtrk[ 	]*
+ +[a-f0-9]+:	f2 0f 01 e9          	xresldtrk[ 	]*
+#pass
diff --git a/gas/testsuite/gas/i386/tsxldtrk.s b/gas/testsuite/gas/i386/tsxldtrk.s
new file mode 100644
index 0000000..3bbe9aa
--- /dev/null
+++ b/gas/testsuite/gas/i386/tsxldtrk.s
@@ -0,0 +1,6 @@
+# Check TSXLDTRK instructions.
+
+	.text
+_start:
+	xsuspldtrk
+	xresldtrk
diff --git a/gas/testsuite/gas/i386/x86-64-tsxldtrk.d b/gas/testsuite/gas/i386/x86-64-tsxldtrk.d
new file mode 100644
index 0000000..8ef3446
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-tsxldtrk.d
@@ -0,0 +1,13 @@
+#as:
+#objdump: -dw
+#name: x86_64 TSXLDTRK insns
+#source: tsxldtrk.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+ +[a-f0-9]+:	f2 0f 01 e8          	xsuspldtrk[ 	]*
+ +[a-f0-9]+:	f2 0f 01 e9          	xresldtrk[ 	]*
+#pass