Enable Intel MOVDIRI, MOVDIR64B instructions

gas/

	* config/tc-i386.c (cpu_arch): Add .movdir, .movdir64b.
	(cpu_noarch): Likewise.
	(process_suffix): Add check for register size.
	* doc/c-i386.texi: Document movdiri, movdir64b.
	* testsuite/gas/i386/i386.exp: Run MOVDIR{I,64B} tests.
	* testsuite/gas/i386/movdir-intel.d: New file.
	* testsuite/gas/i386/movdir.d: Likewise.
	* testsuite/gas/i386/movdir.s: Likewise.
	* testsuite/gas/i386/movdir64b-reg.s: Likewise.
	* testsuite/gas/i386/movdir64b-reg.l: Likewise.
	* testsuite/gas/i386/x86-64-movdir-intel.d: Likewise.
	* testsuite/gas/i386/x86-64-movdir.d: Likewise.
	* testsuite/gas/i386/x86-64-movdir.s: Likewise.
	* testsuite/gas/i386/x86-64-movdir64b-reg.s: Likewise.
	* testsuite/gas/i386/x86-64-movdir64b-reg.l: Likewise.

opcodes/

	* i386-dis.c (Gva): New.
	(enum): Add PREFIX_0F38F8, PREFIX_0F38F9,
	MOD_0F38F8_PREFIX_2, MOD_0F38F9_PREFIX_0.
	(prefix_table): New instructions (see prefix above).
	(mod_table): New instructions (see prefix above).
	(OP_G): Handle va_mode.
	* i386-gen.c (cpu_flag_init): Add CPU_MOVDIRI_FLAGS,
	CPU_MOVDIR64B_FLAGS.
	(cpu_flags): Add CpuMOVDIRI and CpuMOVDIR64B.
	* i386-opc.h (enum): Add CpuMOVDIRI, CpuMOVDIR64B.
	(i386_cpu_flags): Add cpumovdiri and cpumovdir64b.
	* i386-opc.tbl: Add movidir{i,64b}.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.

11 files changed, 136 insertions, 0 deletions

diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index e061c67..c691a02 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -431,6 +431,9 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "waitpkg-intel"
     run_dump_test "cldemote"
     run_dump_test "cldemote-intel"
+    run_dump_test "movdir"
+    run_dump_test "movdir-intel"
+    run_list_test "movdir64b-reg"
     run_list_test "avx512vl-1" "-al"
     run_list_test "avx512vl-2" "-al"
     run_list_test "avx512vl-plain" "-al"
@@ -924,6 +927,9 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-waitpkg-intel"
     run_dump_test "x86-64-cldemote"
     run_dump_test "x86-64-cldemote-intel"
+    run_dump_test "x86-64-movdir"
+    run_dump_test "x86-64-movdir-intel"
+    run_list_test "x86-64-movdir64b-reg"
     run_dump_test "x86-64-fence-as-lock-add-yes"
     run_dump_test "x86-64-fence-as-lock-add-no"
     run_dump_test "x86-64-pr20141"
diff --git a/gas/testsuite/gas/i386/movdir-intel.d b/gas/testsuite/gas/i386/movdir-intel.d
new file mode 100644
index 0000000..d6eab9c
--- /dev/null
+++ b/gas/testsuite/gas/i386/movdir-intel.d
@@ -0,0 +1,18 @@
+#as:
+#objdump: -dw -Mintel
+#name: i386 MOVDIR[I,64B] insns (Intel disassembly)
+#source: movdir.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+00000000 <_start>:
+[ 	]*[a-f0-9]+:[ 	]*0f 38 f9 01[ 	]*movdiri DWORD PTR \[ecx\],eax
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b eax,\[ecx\]
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 04[ 	]*movdir64b ax,\[si\]
+[ 	]*[a-f0-9]+:[ 	]*0f 38 f9 01[ 	]*movdiri DWORD PTR \[ecx\],eax
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b eax,\[ecx\]
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 04[ 	]*movdir64b ax,\[si\]
+#pass
diff --git a/gas/testsuite/gas/i386/movdir.d b/gas/testsuite/gas/i386/movdir.d
new file mode 100644
index 0000000..852b20d
--- /dev/null
+++ b/gas/testsuite/gas/i386/movdir.d
@@ -0,0 +1,18 @@
+#as:
+#objdump: -dw
+#name: i386 MOVDIR[I,64B] insns
+#source: movdir.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+00000000 <_start>:
+[ 	]*[a-f0-9]+:[ 	]*0f 38 f9 01[ 	]*movdiri %eax,\(%ecx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%ecx\),%eax
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 04[ 	]*movdir64b \(%si\),%ax
+[ 	]*[a-f0-9]+:[ 	]*0f 38 f9 01[ 	]*movdiri %eax,\(%ecx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%ecx\),%eax
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 04[ 	]*movdir64b \(%si\),%ax
+#pass
diff --git a/gas/testsuite/gas/i386/movdir.s b/gas/testsuite/gas/i386/movdir.s
new file mode 100644
index 0000000..28dfa61
--- /dev/null
+++ b/gas/testsuite/gas/i386/movdir.s
@@ -0,0 +1,13 @@
+# Check MOVDIR[I,64B] 32-bit instructions
+
+	.allow_index_reg
+	.text
+_start:
+	movdiri %eax, (%ecx)
+	movdir64b (%ecx),%eax
+	movdir64b (%si),%ax
+
+	.intel_syntax noprefix
+	movdiri [ecx], eax
+	movdir64b eax,[ecx]
+	movdir64b ax,[si]
diff --git a/gas/testsuite/gas/i386/movdir64b-reg.l b/gas/testsuite/gas/i386/movdir64b-reg.l
new file mode 100644
index 0000000..e01d20d
--- /dev/null
+++ b/gas/testsuite/gas/i386/movdir64b-reg.l
@@ -0,0 +1,5 @@
+.*: Assembler messages:
+.*:6: Error: invalid register operand size for `movdir64b'
+.*:7: Error: invalid register operand size for `movdir64b'
+.*:10: Error: invalid register operand size for `movdir64b'
+.*:11: Error: invalid register operand size for `movdir64b'
diff --git a/gas/testsuite/gas/i386/movdir64b-reg.s b/gas/testsuite/gas/i386/movdir64b-reg.s
new file mode 100644
index 0000000..ace5e86
--- /dev/null
+++ b/gas/testsuite/gas/i386/movdir64b-reg.s
@@ -0,0 +1,11 @@
+# Check error for MOVDIR64B 32-bit instructions
+
+	.allow_index_reg
+	.text
+_start:
+	movdir64b (%si),%eax
+	movdir64b (%esi),%ax
+
+	.intel_syntax noprefix
+	movdir64b eax,[si]
+	movdir64b ax,[esi]
diff --git a/gas/testsuite/gas/i386/x86-64-movdir-intel.d b/gas/testsuite/gas/i386/x86-64-movdir-intel.d
new file mode 100644
index 0000000..f6c2548
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-movdir-intel.d
@@ -0,0 +1,18 @@
+#as:
+#objdump: -dw -Mintel
+#name: x86_64 MOVDIR[I,64B] insns (Intel disassembly)
+#source: x86-64-movdir.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+0+ <_start>:
+[ 	]*[a-f0-9]+:[ 	]*48 0f 38 f9 01[ 	]*movdiri QWORD PTR \[rcx\],rax
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b rax,\[rcx\]
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 01[ 	]*movdir64b eax,\[ecx]
+[ 	]*[a-f0-9]+:[ 	]*48 0f 38 f9 01[ 	]*movdiri QWORD PTR \[rcx\],rax
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b rax,\[rcx\]
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 01[ 	]*movdir64b eax,\[ecx\]
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-movdir.d b/gas/testsuite/gas/i386/x86-64-movdir.d
new file mode 100644
index 0000000..fd7f4e5
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-movdir.d
@@ -0,0 +1,18 @@
+#as:
+#objdump: -dw
+#name: x86_64 MOVDIR[I,64B] insns
+#source: x86-64-movdir.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+0+ <_start>:
+[ 	]*[a-f0-9]+:[ 	]*48 0f 38 f9 01[ 	]*movdiri %rax,\(%rcx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%rcx\),%rax
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 01[ 	]*movdir64b \(%ecx\),%eax
+[ 	]*[a-f0-9]+:[ 	]*48 0f 38 f9 01[ 	]*movdiri %rax,\(%rcx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%rcx\),%rax
+[ 	]*[a-f0-9]+:[ 	]*67 66 0f 38 f8 01[ 	]*movdir64b \(%ecx\),%eax
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-movdir.s b/gas/testsuite/gas/i386/x86-64-movdir.s
new file mode 100644
index 0000000..f0fe267
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-movdir.s
@@ -0,0 +1,13 @@
+# Check MOVDIR[I,64B] 64-bit instructions
+
+	.allow_index_reg
+	.text
+_start:
+	movdiri %rax, (%rcx)
+	movdir64b (%rcx),%rax
+	movdir64b (%ecx),%eax
+
+	.intel_syntax noprefix
+	movdiri [rcx],rax
+	movdir64b rax,[rcx]
+	movdir64b eax,[ecx]
diff --git a/gas/testsuite/gas/i386/x86-64-movdir64b-reg.l b/gas/testsuite/gas/i386/x86-64-movdir64b-reg.l
new file mode 100644
index 0000000..e01d20d
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-movdir64b-reg.l
@@ -0,0 +1,5 @@
+.*: Assembler messages:
+.*:6: Error: invalid register operand size for `movdir64b'
+.*:7: Error: invalid register operand size for `movdir64b'
+.*:10: Error: invalid register operand size for `movdir64b'
+.*:11: Error: invalid register operand size for `movdir64b'
diff --git a/gas/testsuite/gas/i386/x86-64-movdir64b-reg.s b/gas/testsuite/gas/i386/x86-64-movdir64b-reg.s
new file mode 100644
index 0000000..4aeb6d3
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-movdir64b-reg.s
@@ -0,0 +1,11 @@
+# Check error for MOVDIR64B 32-bit instructions
+
+	.allow_index_reg
+	.text
+_start:
+	movdir64b (%esi),%rax
+	movdir64b (%rsi),%eax
+
+	.intel_syntax noprefix
+	movdir64b rax,[esi]
+	movdir64b eax,[rsi]