Add AMD btver1 and btver2 support

gas/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* config/tc-i386.c (cpu_arch): Add CPU_BTVER1_FLAGS and
	CPU_BTVER2_FLAGS.
	(i386_align_code): Add case for PROCESSOR_BT.

	* config/tc-i386.h (enum processor_type): Add PROCESSOR_BT.

	* doc/c-i386.texi: Add -march={btver1, btver2} options.

gas/testsuite/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* gas/i386/i386.exp: Run btver1 and btver2 test cases.

	* gas/i386/nops-1-btver1.d: New.
	* gas/i386/nops-1-btver2.d: New.
	* gas/i386/arch-10-btver1.d: New.
	* gas/i386/arch-10-btver2.d: New.
	* gas/i386/x86-64-nops-1-btver1.d: New.
	* gas/i386/x86-64-nops-1-btver2.d: New.
	* gas/i386/x86-64-arch-2-btver1.d: New.
	* gas/i386/x86-64-arch-2-btver2.d: New.

opcodes/

2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>

	* i386-gen.c (cpu_flag_init): Add CPU_BTVER1_FLAGS and
	CPU_BTVER2_FLAGS.

	* i386-opc.h: Update CpuPRFCHW comment.

	* i386-opc.tbl: Enable prefetch instruction for CpuPRFCHW.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.

20 files changed, 887 insertions, 5 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 21d57db..d7e69ed 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,13 @@
+2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>
+
+	* config/tc-i386.c (cpu_arch): Add CPU_BTVER1_FLAGS and
+	CPU_BTVER2_FLAGS.
+	(i386_align_code): Add case for PROCESSOR_BT.
+
+	* config/tc-i386.h (enum processor_type): Add PROCESSOR_BT.       
+
+	* doc/c-i386.texi: Add -march={btver1, btver2} options.
+
 2012-08-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR gas/14457
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 61ca2c7..61ca44a 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -664,6 +664,10 @@ static const arch_entry cpu_arch[] =
     CPU_BDVER1_FLAGS, 0, 0 },
   { STRING_COMMA_LEN ("bdver2"), PROCESSOR_BD,
     CPU_BDVER2_FLAGS, 0, 0 },
+  { STRING_COMMA_LEN ("btver1"), PROCESSOR_BT,
+    CPU_BTVER1_FLAGS, 0, 0 },
+  { STRING_COMMA_LEN ("btver2"), PROCESSOR_BT,
+    CPU_BTVER2_FLAGS, 0, 0 },
   { STRING_COMMA_LEN (".8087"), PROCESSOR_UNKNOWN,
     CPU_8087_FLAGS, 0, 0 },
   { STRING_COMMA_LEN (".287"), PROCESSOR_UNKNOWN,
@@ -1060,7 +1064,7 @@ i386_align_code (fragS *fragP, int count)
      PROCESSOR_CORE, PROCESSOR_CORE2, PROCESSOR_COREI7, and
      PROCESSOR_GENERIC64, alt_long_patt will be used.
      3. For PROCESSOR_ATHLON, PROCESSOR_K6, PROCESSOR_K8 and
-     PROCESSOR_AMDFAM10, and PROCESSOR_BD, alt_short_patt
+     PROCESSOR_AMDFAM10, PROCESSOR_BD and PROCESSOR_BT, alt_short_patt
      will be used.
 
      When -mtune= isn't used, alt_long_patt will be used if
@@ -1115,6 +1119,7 @@ i386_align_code (fragS *fragP, int count)
 	    case PROCESSOR_K8:
 	    case PROCESSOR_AMDFAM10:
 	    case PROCESSOR_BD:
+	    case PROCESSOR_BT:
 	      patt = alt_short_patt;
 	      break;
 	    case PROCESSOR_I386:
@@ -1144,6 +1149,7 @@ i386_align_code (fragS *fragP, int count)
 	    case PROCESSOR_K8:
 	    case PROCESSOR_AMDFAM10:
 	    case PROCESSOR_BD:
+	    case PROCESSOR_BT:
 	    case PROCESSOR_GENERIC32:
 	      /* We use cpu_arch_isa_flags to check if we CAN optimize
 		 with nops.  */
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index d4d7d96..de132d6 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -245,7 +245,8 @@ enum processor_type
   PROCESSOR_GENERIC32,
   PROCESSOR_GENERIC64,
   PROCESSOR_AMDFAM10,
-  PROCESSOR_BD
+  PROCESSOR_BD,
+  PROCESSOR_BT
 };
 
 extern enum processor_type cpu_arch_tune;
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index 5040c25..5b7b007 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -120,6 +120,8 @@ processor names are recognized:
 @code{amdfam10},
 @code{bdver1},
 @code{bdver2},
+@code{btver1},
+@code{btver2},
 @code{generic32} and
 @code{generic64}.
 
@@ -1013,6 +1015,7 @@ supported on the CPU specified.  The choices for @var{cpu_type} are:
 @item @samp{corei7} @tab @samp{l1om} @tab @samp{k1om}
 @item @samp{k6} @tab @samp{k6_2} @tab @samp{athlon} @tab @samp{k8}
 @item @samp{amdfam10} @tab @samp{bdver1} @tab @samp{bdver2}
+@item @samp{btver1} @tab @samp{btver2}
 @item @samp{generic32} @tab @samp{generic64}
 @item @samp{.mmx} @tab @samp{.sse} @tab @samp{.sse2} @tab @samp{.sse3}
 @item @samp{.ssse3} @tab @samp{.sse4.1} @tab @samp{.sse4.2} @tab @samp{.sse4}
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 5ccb640..dd4073a 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,16 @@
+2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>
+
+	* gas/i386/i386.exp: Run btver1 and btver2 test cases.
+
+	* gas/i386/nops-1-btver1.d: New.
+	* gas/i386/nops-1-btver2.d: New.
+	* gas/i386/arch-10-btver1.d: New.
+	* gas/i386/arch-10-btver2.d: New.
+	* gas/i386/x86-64-nops-1-btver1.d: New.
+	* gas/i386/x86-64-nops-1-btver2.d: New.
+	* gas/i386/x86-64-arch-2-btver1.d: New.
+	* gas/i386/x86-64-arch-2-btver2.d: New.
+
 2012-08-15  Peter Bergner  <bergner@vnet.ibm.com>
 
 	* gas/ppc/power4.s <lq, stq>: Add more tests.
diff --git a/gas/testsuite/gas/i386/arch-10-btver1.d b/gas/testsuite/gas/i386/arch-10-btver1.d
new file mode 100644
index 0000000..92a4151
--- /dev/null
+++ b/gas/testsuite/gas/i386/arch-10-btver1.d
@@ -0,0 +1,42 @@
+#source: arch-10.s
+#as: -march=btver1+avx+vmx+smx+xsave+xsaveopt+aes+pclmul+movbe+ept+clflush+svme+padlock+fma+bmi+tbm
+#objdump: -dw
+#name: i386 arch 10 (btver1)
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:	0f 44 d8             	cmove  %eax,%ebx
+[ 	]*[a-f0-9]+:	0f ae 38             	clflush \(%eax\)
+[ 	]*[a-f0-9]+:	0f 05                	syscall 
+[ 	]*[a-f0-9]+:	0f fc dc             	paddb  %mm4,%mm3
+[ 	]*[a-f0-9]+:	f3 0f 58 dc          	addss  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 58 dc          	addsd  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f d0 dc          	addsubpd %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 01 dc       	phaddw %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 41 d9       	phminposuw %xmm1,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 38 f1 d9       	crc32l %ecx,%ebx
+[ 	]*[a-f0-9]+:	c5 fc 77             	vzeroall 
+[ 	]*[a-f0-9]+:	0f 01 c4             	vmxoff 
+[ 	]*[a-f0-9]+:	0f 37                	getsec 
+[ 	]*[a-f0-9]+:	0f 01 d0             	xgetbv 
+[ 	]*[a-f0-9]+:	0f ae 31             	xsaveopt \(%ecx\)
+[ 	]*[a-f0-9]+:	66 0f 38 dc 01       	aesenc \(%ecx\),%xmm0
+[ 	]*[a-f0-9]+:	66 0f 3a 44 c1 08    	pclmulqdq \$0x8,%xmm1,%xmm0
+[ 	]*[a-f0-9]+:	c4 e2 79 dc 11       	vaesenc \(%ecx\),%xmm0,%xmm2
+[ 	]*[a-f0-9]+:	c4 e3 49 44 d4 08    	vpclmulqdq \$0x8,%xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	c4 e2 c9 98 d4       	vfmadd132pd %xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	0f 38 f0 19          	movbe  \(%ecx\),%ebx
+[ 	]*[a-f0-9]+:	66 0f 38 80 19       	invept \(%ecx\),%ebx
+[ 	]*[a-f0-9]+:	0f 01 f9             	rdtscp 
+[ 	]*[a-f0-9]+:	0f 0d 0c 75 00 10 00 00 	prefetchw 0x1000\(,%esi,2\)
+[ 	]*[a-f0-9]+:	f2 0f 79 ca          	insertq %xmm2,%xmm1
+[ 	]*[a-f0-9]+:	0f 01 da             	vmload 
+[ 	]*[a-f0-9]+:	f3 0f bd d9          	lzcnt  %ecx,%ebx
+[ 	]*[a-f0-9]+:	0f a7 c0             	xstore-rng 
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%eax\)
+[ 	]*[a-f0-9]+:	c4 e2 60 f3 c9       	blsr   %ecx,%ebx
+[ 	]*[a-f0-9]+:	8f e9 60 01 c9       	blcfill %ecx,%ebx
+#pass
diff --git a/gas/testsuite/gas/i386/arch-10-btver2.d b/gas/testsuite/gas/i386/arch-10-btver2.d
new file mode 100644
index 0000000..c6a8d66
--- /dev/null
+++ b/gas/testsuite/gas/i386/arch-10-btver2.d
@@ -0,0 +1,42 @@
+#source: arch-10.s
+#as: -march=btver2+smx+vmx+ept+clflush+svme+padlock+fma+tbm
+#objdump: -dw
+#name: i386 arch 10 (btver2)
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:	0f 44 d8             	cmove  %eax,%ebx
+[ 	]*[a-f0-9]+:	0f ae 38             	clflush \(%eax\)
+[ 	]*[a-f0-9]+:	0f 05                	syscall 
+[ 	]*[a-f0-9]+:	0f fc dc             	paddb  %mm4,%mm3
+[ 	]*[a-f0-9]+:	f3 0f 58 dc          	addss  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 58 dc          	addsd  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f d0 dc          	addsubpd %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 01 dc       	phaddw %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 41 d9       	phminposuw %xmm1,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 38 f1 d9       	crc32l %ecx,%ebx
+[ 	]*[a-f0-9]+:	c5 fc 77             	vzeroall 
+[ 	]*[a-f0-9]+:	0f 01 c4             	vmxoff 
+[ 	]*[a-f0-9]+:	0f 37                	getsec 
+[ 	]*[a-f0-9]+:	0f 01 d0             	xgetbv 
+[ 	]*[a-f0-9]+:	0f ae 31             	xsaveopt \(%ecx\)
+[ 	]*[a-f0-9]+:	66 0f 38 dc 01       	aesenc \(%ecx\),%xmm0
+[ 	]*[a-f0-9]+:	66 0f 3a 44 c1 08    	pclmulqdq \$0x8,%xmm1,%xmm0
+[ 	]*[a-f0-9]+:	c4 e2 79 dc 11       	vaesenc \(%ecx\),%xmm0,%xmm2
+[ 	]*[a-f0-9]+:	c4 e3 49 44 d4 08    	vpclmulqdq \$0x8,%xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	c4 e2 c9 98 d4       	vfmadd132pd %xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	0f 38 f0 19          	movbe  \(%ecx\),%ebx
+[ 	]*[a-f0-9]+:	66 0f 38 80 19       	invept \(%ecx\),%ebx
+[ 	]*[a-f0-9]+:	0f 01 f9             	rdtscp 
+[ 	]*[a-f0-9]+:	0f 0d 0c 75 00 10 00 00 	prefetchw 0x1000\(,%esi,2\)
+[ 	]*[a-f0-9]+:	f2 0f 79 ca          	insertq %xmm2,%xmm1
+[ 	]*[a-f0-9]+:	0f 01 da             	vmload 
+[ 	]*[a-f0-9]+:	f3 0f bd d9          	lzcnt  %ecx,%ebx
+[ 	]*[a-f0-9]+:	0f a7 c0             	xstore-rng 
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%eax\)
+[ 	]*[a-f0-9]+:	c4 e2 60 f3 c9       	blsr   %ecx,%ebx
+[ 	]*[a-f0-9]+:	8f e9 60 01 c9       	blcfill %ecx,%ebx
+#pass
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 4f3ee41..2cfe8ec 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -84,6 +84,8 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "nops-1-core2"
     run_dump_test "nops-1-bdver1"
     run_dump_test "nops-1-bdver2"
+    run_dump_test "nops-1-btver1"
+    run_dump_test "nops-1-btver2"
     run_dump_test "nops-2"
     run_dump_test "nops-2-i386"
     run_dump_test "nops-2-core2"
@@ -128,6 +130,8 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "arch-10-lzcnt"
     run_dump_test "arch-10-prefetchw"
     run_dump_test "arch-10-bdver2"
+    run_dump_test "arch-10-btver1"
+    run_dump_test "arch-10-btver2"
     run_list_test "arch-10-1" "-march=generic32 -I${srcdir}/$subdir -al"
     run_list_test "arch-10-2" "-march=i686 -I${srcdir}/$subdir -al"
     run_list_test "arch-10-3" "-march=i686+sse4.2 -I${srcdir}/$subdir -al"
@@ -356,6 +360,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-nops-1-pentium"
     run_dump_test "x86-64-nops-1-bdver1"
     run_dump_test "x86-64-nops-1-bdver2"
+    run_dump_test "x86-64-nops-1-btver1"
+    run_dump_test "x86-64-nops-1-btver2"
     run_dump_test "x86-64-nops-2"
     run_dump_test "x86-64-nops-3"
     run_dump_test "x86-64-nops-4"
@@ -391,6 +397,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-arch-2-lzcnt"
     run_dump_test "x86-64-arch-2-prefetchw"
     run_dump_test "x86-64-arch-2-bdver2"
+    run_dump_test "x86-64-arch-2-btver1"
+    run_dump_test "x86-64-arch-2-btver2"
     run_dump_test "x86-64-xsave"
     run_dump_test "x86-64-xsave-intel"
     run_dump_test "x86-64-aes"
diff --git a/gas/testsuite/gas/i386/nops-1-btver1.d b/gas/testsuite/gas/i386/nops-1-btver1.d
new file mode 100644
index 0000000..4bc5fc5
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-1-btver1.d
@@ -0,0 +1,162 @@
+#as: -mtune=btver1
+#source: nops-1.s
+#objdump: -drw
+#name: i386 -mtune=btver1 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%eax,%eax,1\)
+
+0+10 <nop14>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+20 <nop13>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+30 <nop12>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+40 <nop11>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+50 <nop10>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+60 <nop9>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 84 00 00 00 00 00 	nopw   0x0\(%eax,%eax,1\)
+
+0+70 <nop8>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%eax,%eax,1\)
+
+0+80 <nop7>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+90 <nop6>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+a0 <nop5>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%eax,%eax,1\)
+
+0+b0 <nop4>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 40 00          	nopl   0x0\(%eax\)
+
+0+c0 <nop3>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%eax\)
+
+0+d0 <nop2>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 90                	xchg   %ax,%ax
+#pass
diff --git a/gas/testsuite/gas/i386/nops-1-btver2.d b/gas/testsuite/gas/i386/nops-1-btver2.d
new file mode 100644
index 0000000..7e88b61
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-1-btver2.d
@@ -0,0 +1,162 @@
+#as: -mtune=btver2
+#source: nops-1.s
+#objdump: -drw
+#name: i386 -mtune=btver2 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%eax,%eax,1\)
+
+0+10 <nop14>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+20 <nop13>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+30 <nop12>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+40 <nop11>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%eax,%eax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+50 <nop10>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+60 <nop9>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 84 00 00 00 00 00 	nopw   0x0\(%eax,%eax,1\)
+
+0+70 <nop8>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%eax,%eax,1\)
+
+0+80 <nop7>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%eax\)
+
+0+90 <nop6>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%eax,%eax,1\)
+
+0+a0 <nop5>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%eax,%eax,1\)
+
+0+b0 <nop4>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 40 00          	nopl   0x0\(%eax\)
+
+0+c0 <nop3>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%eax\)
+
+0+d0 <nop2>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 90                	xchg   %ax,%ax
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-arch-2-btver1.d b/gas/testsuite/gas/i386/x86-64-arch-2-btver1.d
new file mode 100644
index 0000000..8cfa780
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-arch-2-btver1.d
@@ -0,0 +1,41 @@
+#source: x86-64-arch-2.s
+#as: -march=btver1+avx+vmx+smx+xsave+xsaveopt+aes+pclmul+movbe+ept+clflush+svme+padlock+fma+bmi+tbm
+#objdump: -dw
+#name: x86-64 arch 2 (btver1)
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:	0f 44 d8             	cmove  %eax,%ebx
+[ 	]*[a-f0-9]+:	0f ae 38             	clflush \(%rax\)
+[ 	]*[a-f0-9]+:	0f 05                	syscall 
+[ 	]*[a-f0-9]+:	0f fc dc             	paddb  %mm4,%mm3
+[ 	]*[a-f0-9]+:	f3 0f 58 dc          	addss  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 58 dc          	addsd  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f d0 dc          	addsubpd %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 01 dc       	phaddw %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 41 d9       	phminposuw %xmm1,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 38 f1 d9       	crc32l %ecx,%ebx
+[ 	]*[a-f0-9]+:	c5 fc 77             	vzeroall 
+[ 	]*[a-f0-9]+:	0f 01 c4             	vmxoff 
+[ 	]*[a-f0-9]+:	0f 37                	getsec 
+[ 	]*[a-f0-9]+:	0f 01 d0             	xgetbv 
+[ 	]*[a-f0-9]+:	0f ae 31             	xsaveopt \(%rcx\)
+[ 	]*[a-f0-9]+:	66 0f 38 dc 01       	aesenc \(%rcx\),%xmm0
+[ 	]*[a-f0-9]+:	66 0f 3a 44 c1 08    	pclmulqdq \$0x8,%xmm1,%xmm0
+[ 	]*[a-f0-9]+:	c4 e2 79 dc 11       	vaesenc \(%rcx\),%xmm0,%xmm2
+[ 	]*[a-f0-9]+:	c4 e3 49 44 d4 08    	vpclmulqdq \$0x8,%xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	c4 e2 c9 98 d4       	vfmadd132pd %xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	0f 38 f0 19          	movbe  \(%rcx\),%ebx
+[ 	]*[a-f0-9]+:	66 0f 38 80 19       	invept \(%rcx\),%rbx
+[ 	]*[a-f0-9]+:	0f 01 f9             	rdtscp 
+[ 	]*[a-f0-9]+:	0f 0d 0c 75 00 10 00 00 	prefetchw 0x1000\(,%rsi,2\)
+[ 	]*[a-f0-9]+:	f2 0f 79 ca          	insertq %xmm2,%xmm1
+[ 	]*[a-f0-9]+:	0f 01 da             	vmload 
+[ 	]*[a-f0-9]+:	f3 0f bd d9          	lzcnt  %ecx,%ebx
+[ 	]*[a-f0-9]+:	0f a7 c0             	xstore-rng 
+[ 	]*[a-f0-9]+:	c4 e2 60 f3 c9       	blsr   %ecx,%ebx
+[ 	]*[a-f0-9]+:	8f e9 60 01 c9       	blcfill %ecx,%ebx
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-arch-2-btver2.d b/gas/testsuite/gas/i386/x86-64-arch-2-btver2.d
new file mode 100644
index 0000000..61e8fae
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-arch-2-btver2.d
@@ -0,0 +1,41 @@
+#source: x86-64-arch-2.s
+#as: -march=btver2+smx+vmx+ept+clflush+svme+padlock+fma+tbm
+#objdump: -dw
+#name: x86-64 arch 2 (btver2)
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:	0f 44 d8             	cmove  %eax,%ebx
+[ 	]*[a-f0-9]+:	0f ae 38             	clflush \(%rax\)
+[ 	]*[a-f0-9]+:	0f 05                	syscall 
+[ 	]*[a-f0-9]+:	0f fc dc             	paddb  %mm4,%mm3
+[ 	]*[a-f0-9]+:	f3 0f 58 dc          	addss  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 58 dc          	addsd  %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f d0 dc          	addsubpd %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 01 dc       	phaddw %xmm4,%xmm3
+[ 	]*[a-f0-9]+:	66 0f 38 41 d9       	phminposuw %xmm1,%xmm3
+[ 	]*[a-f0-9]+:	f2 0f 38 f1 d9       	crc32l %ecx,%ebx
+[ 	]*[a-f0-9]+:	c5 fc 77             	vzeroall 
+[ 	]*[a-f0-9]+:	0f 01 c4             	vmxoff 
+[ 	]*[a-f0-9]+:	0f 37                	getsec 
+[ 	]*[a-f0-9]+:	0f 01 d0             	xgetbv 
+[ 	]*[a-f0-9]+:	0f ae 31             	xsaveopt \(%rcx\)
+[ 	]*[a-f0-9]+:	66 0f 38 dc 01       	aesenc \(%rcx\),%xmm0
+[ 	]*[a-f0-9]+:	66 0f 3a 44 c1 08    	pclmulqdq \$0x8,%xmm1,%xmm0
+[ 	]*[a-f0-9]+:	c4 e2 79 dc 11       	vaesenc \(%rcx\),%xmm0,%xmm2
+[ 	]*[a-f0-9]+:	c4 e3 49 44 d4 08    	vpclmulqdq \$0x8,%xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	c4 e2 c9 98 d4       	vfmadd132pd %xmm4,%xmm6,%xmm2
+[ 	]*[a-f0-9]+:	0f 38 f0 19          	movbe  \(%rcx\),%ebx
+[ 	]*[a-f0-9]+:	66 0f 38 80 19       	invept \(%rcx\),%rbx
+[ 	]*[a-f0-9]+:	0f 01 f9             	rdtscp 
+[ 	]*[a-f0-9]+:	0f 0d 0c 75 00 10 00 00 	prefetchw 0x1000\(,%rsi,2\)
+[ 	]*[a-f0-9]+:	f2 0f 79 ca          	insertq %xmm2,%xmm1
+[ 	]*[a-f0-9]+:	0f 01 da             	vmload 
+[ 	]*[a-f0-9]+:	f3 0f bd d9          	lzcnt  %ecx,%ebx
+[ 	]*[a-f0-9]+:	0f a7 c0             	xstore-rng 
+[ 	]*[a-f0-9]+:	c4 e2 60 f3 c9       	blsr   %ecx,%ebx
+[ 	]*[a-f0-9]+:	8f e9 60 01 c9       	blcfill %ecx,%ebx
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-nops-1-btver1.d b/gas/testsuite/gas/i386/x86-64-nops-1-btver1.d
new file mode 100644
index 0000000..a8f0295
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-nops-1-btver1.d
@@ -0,0 +1,162 @@
+#as: -mtune=btver1
+#source: nops-1.s
+#objdump: -drw
+#name: x86-64 -mtune=btver1 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%rax,%rax,1\)
+
+0+10 <nop14>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+20 <nop13>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+30 <nop12>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+40 <nop11>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+50 <nop10>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+60 <nop9>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 84 00 00 00 00 00 	nopw   0x0\(%rax,%rax,1\)
+
+0+70 <nop8>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%rax,%rax,1\)
+
+0+80 <nop7>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+90 <nop6>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+a0 <nop5>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%rax,%rax,1\)
+
+0+b0 <nop4>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 40 00          	nopl   0x0\(%rax\)
+
+0+c0 <nop3>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%rax\)
+
+0+d0 <nop2>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 90                	xchg   %ax,%ax
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-nops-1-btver2.d b/gas/testsuite/gas/i386/x86-64-nops-1-btver2.d
new file mode 100644
index 0000000..8474dca
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-nops-1-btver2.d
@@ -0,0 +1,162 @@
+#as: -mtune=btver2
+#source: nops-1.s
+#objdump: -drw
+#name: x86-64 -mtune=btver2 nops 1
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <nop15>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%rax,%rax,1\)
+
+0+10 <nop14>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+20 <nop13>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+30 <nop12>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+40 <nop11>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%rax,%rax,1\)
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+50 <nop10>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+60 <nop9>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 84 00 00 00 00 00 	nopw   0x0\(%rax,%rax,1\)
+
+0+70 <nop8>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 84 00 00 00 00 00 	nopl   0x0\(%rax,%rax,1\)
+
+0+80 <nop7>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 80 00 00 00 00 	nopl   0x0\(%rax\)
+
+0+90 <nop6>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 0f 1f 44 00 00    	nopw   0x0\(%rax,%rax,1\)
+
+0+a0 <nop5>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 44 00 00       	nopl   0x0\(%rax,%rax,1\)
+
+0+b0 <nop4>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 40 00          	nopl   0x0\(%rax\)
+
+0+c0 <nop3>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	0f 1f 00             	nopl   \(%rax\)
+
+0+d0 <nop2>:
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	90                   	nop
+[ 	]*[a-f0-9]+:	66 90                	xchg   %ax,%ax
+#pass
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index c036420..240fcae 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,14 @@
+2012-08-17  Nagajyothi Eggone  <nagajyothi.eggone@amd.com>
+
+	* i386-gen.c (cpu_flag_init): Add CPU_BTVER1_FLAGS and
+	CPU_BTVER2_FLAGS.
+
+	* i386-opc.h: Update CpuPRFCHW comment. 
+
+	* i386-opc.tbl: Enable prefetch instruction for CpuPRFCHW.
+	* i386-init.h: Regenerated.
+	* i386-tbl.h: Likewise.
+
 2012-08-17  Nick Clifton  <nickc@redhat.com>
 
 	* po/uk.po: New Ukranian translation.
diff --git a/opcodes/i386-gen.c b/opcodes/i386-gen.c
index 6c49747..9dee51a 100644
--- a/opcodes/i386-gen.c
+++ b/opcodes/i386-gen.c
@@ -92,6 +92,10 @@ static initializer cpu_flag_init[] =
     "Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuSYSCALL|CpuRdtscp|Cpu387|Cpu687|CpuFISTTP|CpuNop|CpuMMX|CpuSSE|CpuSSE2|CpuSSE3|CpuSSE4a|CpuABM|CpuLM|CpuFMA4|CpuXOP|CpuLWP" },
   { "CPU_BDVER2_FLAGS",
     "Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuSYSCALL|CpuRdtscp|Cpu387|Cpu687|CpuFISTTP|CpuNop|CpuMMX|CpuSSE|CpuSSE2|CpuSSE3|CpuSSE4a|CpuABM|CpuLM|CpuFMA|CpuFMA4|CpuXOP|CpuLWP|CpuBMI|CpuTBM|CpuF16C" },
+  { "CPU_BTVER1_FLAGS",
+    "Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuSYSCALL|CpuRdtscp|Cpu387|Cpu687|CpuNop|CpuMMX|CpuSSE|CpuSSE2|CpuSSE3|CpuSSSE3|CpuSSE4a|CpuABM|CpuLM|CpuPRFCHW" },
+  { "CPU_BTVER2_FLAGS",
+    "Cpu186|Cpu286|Cpu386|Cpu486|Cpu586|Cpu686|CpuSYSCALL|CpuRdtscp|Cpu387|Cpu687|CpuNop|CpuMMX|CpuSSE|CpuSSE2|CpuSSE3|CpuSSSE3|CpuSSE4a|CpuSSE4_1|CpuSSE4_2|CpuABM|CpuLM|CpuBMI|CpuF16C|CpuAES|CpuPCLMUL|CpuAVX|CpuMovbe|CpuXsave|CpuXsaveopt|CpuPRFCHW" },
   { "CPU_8087_FLAGS",
     "Cpu8087" },
   { "CPU_287_FLAGS",
diff --git a/opcodes/i386-init.h b/opcodes/i386-init.h
index 1c62b9f..8d39409 100644
--- a/opcodes/i386-init.h
+++ b/opcodes/i386-init.h
@@ -169,6 +169,18 @@
       1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,  \
       0, 0 } }
 
+#define CPU_BTVER1_FLAGS \
+  { { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1,  \
+      0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  \
+      0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0,  \
+      0, 0 } }
+
+#define CPU_BTVER2_FLAGS \
+  { { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1,  \
+      0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,  \
+      0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0,  \
+      0, 0 } }
+
 #define CPU_8087_FLAGS \
   { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  \
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  \
diff --git a/opcodes/i386-opc.h b/opcodes/i386-opc.h
index 598b220..21f33a9 100644
--- a/opcodes/i386-opc.h
+++ b/opcodes/i386-opc.h
@@ -148,7 +148,7 @@ enum
   CpuRDSEED,
   /* Multi-presisionn add-carry instructions are required.  */
   CpuADX,
-  /* Supports prefetchw instruction.  */
+  /* Supports prefetchw and prefetch instructions.  */
   CpuPRFCHW,
   /* 64bit support required  */
   Cpu64,
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 2dcc97e..8304260 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -2965,7 +2965,7 @@ tzmsk,  2, 0x01,   0x4, 1, CpuTBM, Modrm|CheckRegSize|Vex=3|VexOpcode=4|VexVVVV=
 
 // AMD 3DNow! instructions.
 
-prefetch, 1, 0xf0d, 0x0, 2, Cpu3dnow, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
+prefetch, 1, 0xf0d, 0x0, 2, Cpu3dnow|CpuPRFCHW, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
 prefetchw, 1, 0xf0d, 0x1, 2, Cpu3dnow|CpuPRFCHW, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Byte|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S }
 femms, 0, 0xf0e, None, 2, Cpu3dnow, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
 pavgusb, 2, 0xf0f, 0xbf, 2, Cpu3dnow, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|ImmExt, { Qword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|RegMMX, RegMMX }
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index faca6bb..001a966 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -38403,7 +38403,7 @@ const insn_template i386_optab[] =
   { "prefetch", 1, 0xf0d, 0x0, 2,
     { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 
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