Support Intel PBNDKB

gas/ChangeLog:

	* NEWS: Support Intel PBNDKB.
	* config/tc-i386.c: Add pbndkb.
	* doc/c-i386.texi: Document .pbndkb.
	* testsuite/gas/i386/i386.exp: Add PBNDKB tests.
	* testsuite/gas/i386/x86-64.exp: Ditto.
	* testsuite/gas/i386/pbndkb-inval.l: New test.
	* testsuite/gas/i386/pbndkb-inval.s: Ditto.
	* testsuite/gas/i386/x86-64-pbndkb-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-pbndkb.d: Ditto.
	* testsuite/gas/i386/x86-64-pbndkb.s: Ditto.

opcodes/ChangeLog:

	* i386-dis.c (X86_64_0F01_REG_0_MOD_3_RM_7): New.
	(X86_64_0F01_REG_0_MOD_3_RM_7_P_0): Ditto.
	(prefix_table): Add PREFIX_0F01_REG_0_MOD_3_RM_7.
	(x86_64_table): Add X86_64_0F01_REG_0_MOD_3_RM_7_P_0.
	(rm_table): New entry for pbndkb.
	* i386-gen.c (cpu_flag): Add PBNDKB.
	* i386-init.h: Regenerated.
	* i386-mnem.h: Ditto.
	* i386-opc.h (CpuPBNDKB): New.
	(i386_cpu_flags): Add cpupbndkb.
	* i386-opc.tbl: Add PBNDKB instructions.
	* i386-tbl.h: Regenerated.

10 files changed, 45 insertions, 0 deletions

diff --git a/gas/NEWS b/gas/NEWS
index 26e75bd..1ed0435 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* Add support for Intel PBNDKB instructions.
+
 * Add support for Intel SM4 instructions.
 
 * Add support for Intel SM3 instructions.
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 686dd4c7..e35e266 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -1155,6 +1155,7 @@ static const arch_entry cpu_arch[] =
   SUBARCH (sha512, SHA512, ANY_SHA512, false),
   SUBARCH (sm3, SM3, ANY_SM3, false),
   SUBARCH (sm4, SM4, ANY_SM4, false),
+  SUBARCH (pbndkb, PBNDKB, PBNDKB, false),
 };
 
 #undef SUBARCH
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index 54b0d7d..dd06282 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -211,6 +211,7 @@ accept various extension mnemonics.  For example,
 @code{sha512},
 @code{sm3},
 @code{sm4},
+@code{pbndkb},
 @code{amx_int8},
 @code{amx_bf16},
 @code{amx_fp16},
@@ -1641,6 +1642,7 @@ supported on the CPU specified.  The choices for @var{cpu_type} are:
 @item @samp{.cmpccxadd} @tab @samp{.wrmsrns} @tab @samp{.msrlist}
 @item @samp{.avx_ne_convert} @tab @samp{.rao_int} @tab @samp{.fred} @tab @samp{.lkgs}
 @item @samp{.avx_vnni_int16} @tab @samp{.sha512} @tab @samp{.sm3} @tab @samp{.sm4}
+@item @samp{.pbndkb}
 @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} @tab @samp{.tsxldtrk}
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index e862d41..90819d8 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -505,6 +505,7 @@ if [gas_32_check] then {
     run_dump_test "sm3-intel"
     run_dump_test "sm4"
     run_dump_test "sm4-intel"
+    run_list_test "pbndkb-inval"
     run_list_test "sg"
     run_dump_test "clzero"
     run_dump_test "invlpgb"
diff --git a/gas/testsuite/gas/i386/pbndkb-inval.l b/gas/testsuite/gas/i386/pbndkb-inval.l
new file mode 100644
index 0000000..d2995cf
--- /dev/null
+++ b/gas/testsuite/gas/i386/pbndkb-inval.l
@@ -0,0 +1,2 @@
+.* Assembler messages:
+.*:5: Error: `pbndkb' is only supported in 64-bit mode
diff --git a/gas/testsuite/gas/i386/pbndkb-inval.s b/gas/testsuite/gas/i386/pbndkb-inval.s
new file mode 100644
index 0000000..108360c
--- /dev/null
+++ b/gas/testsuite/gas/i386/pbndkb-inval.s
@@ -0,0 +1,5 @@
+# Check Illegal PBNDKB instructions
+
+	.text
+_start:
+	pbndkb		 #PBNDKB 
diff --git a/gas/testsuite/gas/i386/x86-64-pbndkb-intel.d b/gas/testsuite/gas/i386/x86-64-pbndkb-intel.d
new file mode 100644
index 0000000..edc7502
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pbndkb-intel.d
@@ -0,0 +1,11 @@
+#objdump: -dw -Mintel
+#name: x86_64 PBNDKB insns (Intel disassembly)
+#source: x86-64-pbndkb.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*0f 01 c7\s+pbndkb
+\s*[a-f0-9]+:\s*0f 01 c7\s+pbndkb
diff --git a/gas/testsuite/gas/i386/x86-64-pbndkb.d b/gas/testsuite/gas/i386/x86-64-pbndkb.d
new file mode 100644
index 0000000..94dfe7c
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pbndkb.d
@@ -0,0 +1,11 @@
+#objdump: -dw
+#name: x86_64 PBNDKB insns
+#source: x86-64-pbndkb.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*0f 01 c7\s+pbndkb
+\s*[a-f0-9]+:\s*0f 01 c7\s+pbndkb
diff --git a/gas/testsuite/gas/i386/x86-64-pbndkb.s b/gas/testsuite/gas/i386/x86-64-pbndkb.s
new file mode 100644
index 0000000..7702c2a
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pbndkb.s
@@ -0,0 +1,8 @@
+# Check 64bit PBNDKB instructions
+
+	.text
+_start:
+	pbndkb		 #PBNDKB 
+
+	.intel_syntax noprefix
+	pbndkb		 #PBNDKB 
diff --git a/gas/testsuite/gas/i386/x86-64.exp b/gas/testsuite/gas/i386/x86-64.exp
index eb6a369..52711cd 100644
--- a/gas/testsuite/gas/i386/x86-64.exp
+++ b/gas/testsuite/gas/i386/x86-64.exp
@@ -448,6 +448,8 @@ run_dump_test "x86-64-sm3"
 run_dump_test "x86-64-sm3-intel"
 run_dump_test "x86-64-sm4"
 run_dump_test "x86-64-sm4-intel"
+run_dump_test "x86-64-pbndkb"
+run_dump_test "x86-64-pbndkb-intel"
 run_dump_test "x86-64-clzero"
 run_dump_test "x86-64-mwaitx-bdver4"
 run_list_test "x86-64-mwaitx-reg"