Add pcommit instruction

gas/

	* config/tc-i386.c (cpu_arch): Add .pcommit.
	* doc/c-i386.texi: Document it.

/opcodes

	* i386-dis.c (PREFIX enum): Add PREFIX_RM_0_0FAE_REG_7.
	(prefix_table): Add pcommit.
	* i386-gen.c (cpu_flag_init): Add CPU_PCOMMIT_FLAGS.
	(cpu_flags): Add CpuPCOMMIT.
	* i386-opc.h (enum): Add CpuPCOMMIT.
	(i386_cpu_flags): Add cpupcommit.
	* i386-opc.tbl: Add pcommit.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.

/gas/testsuite/

	* gas/i386/i386.exp: Run new tests.
	* gas/i386/pcommit-intel.d: New file.
	* gas/i386/pcommit.d: Likewise.
	* gas/i386/pcommit.s: Likewise.
	* gas/i386/x86-64-pcommit-intel.d: Likewise.
	* gas/i386/x86-64-pcommit.d: Likewise.
	* gas/i386/x86-64-pcommit.s: Likewise.

11 files changed, 99 insertions, 2 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 9e85486..a5e9aa0 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,10 @@
 2014-11-17  Ilya Tocar  <ilya.tocar@intel.com>
 
+	* config/tc-i386.c (cpu_arch): Add .pcommit.
+	* doc/c-i386.texi: Document it.
+
+2014-11-17  Ilya Tocar  <ilya.tocar@intel.com>
+
 	* config/tc-i386.c (cpu_arch): Add .clwb.
 	* doc/c-i386.texi: Document it.
 
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index d28230b..e3bcc9a 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -931,6 +931,8 @@ static const arch_entry cpu_arch[] =
     CPU_SE1_FLAGS, 0, 0 },
   { STRING_COMMA_LEN (".clwb"), PROCESSOR_UNKNOWN,
     CPU_CLWB_FLAGS, 0, 0 },
+  { STRING_COMMA_LEN (".pcommit"), PROCESSOR_UNKNOWN,
+    CPU_PCOMMIT_FLAGS, 0, 0 },
 };
 
 #ifdef I386COFF
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index f3a1eec..df7ece4 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -155,6 +155,7 @@ accept various extension mnemonics.  For example,
 @code{clflushopt},
 @code{se1},
 @code{clwb},
+@code{pcommit},
 @code{avx512f},
 @code{avx512cd},
 @code{avx512er},
@@ -1104,7 +1105,7 @@ supported on the CPU specified.  The choices for @var{cpu_type} are:
 @item @samp{.clflushopt} @tab @samp{.xsavec} @tab @samp{.xsaves} @tab @samp{.se1}
 @item @samp{.avx512f} @tab @samp{.avx512cd} @tab @samp{.avx512er} @tab @samp{.avx512pf}
 @item @samp{.avx512vl} @tab @samp{.avx512bw} @tab @samp{.avx512dq}
-@item @samp{.clwb}
+@item @samp{.clwb} @tab @samp{.pcommit}
 @item @samp{.3dnow} @tab @samp{.3dnowa} @tab @samp{.sse4a} @tab @samp{.sse5}
 @item @samp{.syscall} @tab @samp{.rdtscp} @tab @samp{.svme} @tab @samp{.abm}
 @item @samp{.lwp} @tab @samp{.fma4} @tab @samp{.xop} @tab @samp{.cx16}
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 6fa1604..1c2def2 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,6 +1,16 @@
 2014-11-17  Ilya Tocar  <ilya.tocar@intel.com>
 
 	* gas/i386/i386.exp: Run new tests.
+	* gas/i386/pcommit-intel.d: New file.
+	* gas/i386/pcommit.d: Likewise.
+	* gas/i386/pcommit.s: Likewise.
+	* gas/i386/x86-64-pcommit-intel.d: Likewise.
+	* gas/i386/x86-64-pcommit.d: Likewise.
+	* gas/i386/x86-64-pcommit.s: Likewise.
+
+2014-11-17  Ilya Tocar  <ilya.tocar@intel.com>
+
+	* gas/i386/i386.exp: Run new tests.
 	* gas/i386/clwb-intel.d: New file.
 	* gas/i386/clwb.d: Likewise.
 	* gas/i386/clwb.s: Likewise.
@@ -12,7 +22,6 @@
 
 	PR gas/17598
 	* gas/i386/reloc64.s: Add @gotplt check.
-
 	* gas/i386/reloc64.d: Updated.
 	* gas/i386/reloc64.l: Likewise.
 
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 4d85105..5914e5c 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -332,6 +332,8 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "avx512f-rcigrz"
     run_dump_test "clwb"
     run_dump_test "clwb-intel"
+    run_dump_test "pcommit"
+    run_dump_test "pcommit-intel"
     run_dump_test "disassem"
 
     # These tests require support for 8 and 16 bit relocs,
@@ -685,6 +687,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-avx512f-rcigrz"
     run_dump_test "x86-64-clwb"
     run_dump_test "x86-64-clwb-intel"
+    run_dump_test "x86-64-pcommit"
+    run_dump_test "x86-64-pcommit-intel"
 
     if { ![istarget "*-*-aix*"]
       && ![istarget "*-*-beos*"]
diff --git a/gas/testsuite/gas/i386/pcommit-intel.d b/gas/testsuite/gas/i386/pcommit-intel.d
new file mode 100644
index 0000000..ff34d10
--- /dev/null
+++ b/gas/testsuite/gas/i386/pcommit-intel.d
@@ -0,0 +1,14 @@
+#as:
+#objdump: -dw -Mintel
+#name: i386 PCOMMIT insns (Intel disassembly)
+#source: pcommit.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+00000000 <_start>:
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+#pass
diff --git a/gas/testsuite/gas/i386/pcommit.d b/gas/testsuite/gas/i386/pcommit.d
new file mode 100644
index 0000000..2af4576
--- /dev/null
+++ b/gas/testsuite/gas/i386/pcommit.d
@@ -0,0 +1,14 @@
+#as:
+#objdump: -dw
+#name: i386 PCOMMIT insns
+#source: pcommit.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+00000000 <_start>:
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+#pass
diff --git a/gas/testsuite/gas/i386/pcommit.s b/gas/testsuite/gas/i386/pcommit.s
new file mode 100644
index 0000000..b791376
--- /dev/null
+++ b/gas/testsuite/gas/i386/pcommit.s
@@ -0,0 +1,10 @@
+# Check 32bit PCOMMIT instructions
+
+	.allow_index_reg
+	.text
+_start:
+
+	pcommit	 # PCOMMIT
+
+	.intel_syntax noprefix
+	pcommit	 # PCOMMIT
diff --git a/gas/testsuite/gas/i386/x86-64-pcommit-intel.d b/gas/testsuite/gas/i386/x86-64-pcommit-intel.d
new file mode 100644
index 0000000..ec9c1a6
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pcommit-intel.d
@@ -0,0 +1,14 @@
+#as:
+#objdump: -dw -Mintel
+#name: x86_64 PCOMMIT insns (Intel disassembly)
+#source: x86-64-pcommit.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+0+ <_start>:
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-pcommit.d b/gas/testsuite/gas/i386/x86-64-pcommit.d
new file mode 100644
index 0000000..1a378cf
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pcommit.d
@@ -0,0 +1,14 @@
+#as:
+#objdump: -dw
+#name: x86_64 PCOMMIT insns
+#source: x86-64-pcommit.s
+
+.*: +file format .*
+
+
+Disassembly of section \.text:
+
+0+ <_start>:
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+[ 	]*[a-f0-9]+:[ 	]*66 0f ae f8[ 	]*pcommit 
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-pcommit.s b/gas/testsuite/gas/i386/x86-64-pcommit.s
new file mode 100644
index 0000000..b791376
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pcommit.s
@@ -0,0 +1,10 @@
+# Check 32bit PCOMMIT instructions
+
+	.allow_index_reg
+	.text
+_start:
+
+	pcommit	 # PCOMMIT
+
+	.intel_syntax noprefix
+	pcommit	 # PCOMMIT