gas/

2008-10-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (processor_type): Moved to tc-i386.h.
	(cpu_arch_tune): Make it global.
	(cpu_arch_isa): Likewise.
	(cpu_arch_isa_flags): Likewise.
	(i386_align_code): Check fragP->tc_frag_data.isa,
	fragP->tc_frag_data.isa_flags and cpu_arch_tune instead of
	cpu_arch_isa, cpu_arch_isa_flags and cpu_arch_tune,
	respectively.

	* config/tc-i386.h (processor_type): Moved from tc-i386.c.
	(cpu_arch_tune): New.
	(cpu_arch_isa): Likewise.
	(cpu_arch_isa_flags): Likewise.
	(i386_tc_frag_data): Likewise.
	(TC_FRAG_TYPE): Likewise.
	(TC_FRAG_INIT): Likewise.

gas/testsuite/

2008-10-12  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Run nops-5, nops-5-i686, x86-64-nops-5 and
	x86-64-nops-5-k8.

	* gas/i386/nops-5.d: New.
	* gas/i386/nops-5.s: Likewise.
	* gas/i386/nops-5-i686.d: Likewise.
	* gas/i386/x86-64-nops-5.d: Likewise.
	* gas/i386/x86-64-nops-5-k8.d: Likewise.

10 files changed, 445 insertions, 27 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 5b4d598..518f367 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,22 @@
+2008-10-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/tc-i386.c (processor_type): Moved to tc-i386.h.
+	(cpu_arch_tune): Make it global.
+	(cpu_arch_isa): Likewise.
+	(cpu_arch_isa_flags): Likewise.
+	(i386_align_code): Check fragP->tc_frag_data.isa,
+	fragP->tc_frag_data.isa_flags and cpu_arch_tune instead of
+	cpu_arch_isa, cpu_arch_isa_flags and cpu_arch_tune,
+	respectively.
+
+	* config/tc-i386.h (processor_type): Moved from tc-i386.c.
+	(cpu_arch_tune): New.
+	(cpu_arch_isa): Likewise.
+	(cpu_arch_isa_flags): Likewise.
+	(i386_tc_frag_data): Likewise.
+	(TC_FRAG_TYPE): Likewise.
+	(TC_FRAG_INIT): Likewise.
+
 2008-10-09  Bob Wilson  <bob.wilson@acm.org>
 
 	* doc/as.texinfo (Pseudo Ops): Swap order of Comm and CFI menu entries.
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index df76ae9..71abb01 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -150,25 +150,6 @@ typedef struct
 }
 sib_byte;
 
-enum processor_type
-{
-  PROCESSOR_UNKNOWN,
-  PROCESSOR_I386,
-  PROCESSOR_I486,
-  PROCESSOR_PENTIUM,
-  PROCESSOR_PENTIUMPRO,
-  PROCESSOR_PENTIUM4,
-  PROCESSOR_NOCONA,
-  PROCESSOR_CORE,
-  PROCESSOR_CORE2,
-  PROCESSOR_K6,
-  PROCESSOR_ATHLON,
-  PROCESSOR_K8,
-  PROCESSOR_GENERIC32,
-  PROCESSOR_GENERIC64,
-  PROCESSOR_AMDFAM10
-};
-
 /* x86 arch names, types and features */
 typedef struct
 {
@@ -468,16 +449,16 @@ static i386_cpu_flags cpu_arch_flags = CPU_UNKNOWN_FLAGS;
 static int cpu_arch_tune_set = 0;
 
 /* Cpu we are generating instructions for.  */
-static enum processor_type cpu_arch_tune = PROCESSOR_UNKNOWN;
+enum processor_type cpu_arch_tune = PROCESSOR_UNKNOWN;
 
 /* CPU feature flags of cpu we are generating instructions for.  */
 static i386_cpu_flags cpu_arch_tune_flags;
 
 /* CPU instruction set architecture used.  */
-static enum processor_type cpu_arch_isa = PROCESSOR_UNKNOWN;
+enum processor_type cpu_arch_isa = PROCESSOR_UNKNOWN;
 
 /* CPU feature flags of instruction set architecture used.  */
-static i386_cpu_flags cpu_arch_isa_flags;
+i386_cpu_flags cpu_arch_isa_flags;
 
 /* If set, conditional jumps are not automatically promoted to handle
    larger than a byte offset.  */
@@ -993,7 +974,7 @@ i386_align_code (fragS *fragP, int count)
     {
       const char *const *patt = NULL;
 
-      if (cpu_arch_isa == PROCESSOR_UNKNOWN)
+      if (fragP->tc_frag_data.isa == PROCESSOR_UNKNOWN)
 	{
 	  /* PROCESSOR_UNKNOWN means that all ISAs may be used.  */
 	  switch (cpu_arch_tune)
@@ -1001,7 +982,7 @@ i386_align_code (fragS *fragP, int count)
 	    case PROCESSOR_UNKNOWN:
 	      /* We use cpu_arch_isa_flags to check if we SHOULD
 		 optimize for Cpu686.  */
-	      if (cpu_arch_isa_flags.bitfield.cpui686)
+	      if (fragP->tc_frag_data.isa_flags.bitfield.cpui686)
 		patt = alt_long_patt;
 	      else
 		patt = f32_patt;
@@ -1030,7 +1011,7 @@ i386_align_code (fragS *fragP, int count)
 	}
       else
 	{
-	  switch (cpu_arch_tune)
+	  switch (fragP->tc_frag_data.tune)
 	    {
 	    case PROCESSOR_UNKNOWN:
 	      /* When cpu_arch_isa is set, cpu_arch_tune shouldn't be
@@ -1048,7 +1029,7 @@ i386_align_code (fragS *fragP, int count)
 	    case PROCESSOR_GENERIC32:
 	      /* We use cpu_arch_isa_flags to check if we CAN optimize
 		 for Cpu686.  */
-	      if (cpu_arch_isa_flags.bitfield.cpui686)
+	      if (fragP->tc_frag_data.isa_flags.bitfield.cpui686)
 		patt = alt_short_patt;
 	      else
 		patt = f32_patt;
@@ -1058,7 +1039,7 @@ i386_align_code (fragS *fragP, int count)
 	    case PROCESSOR_NOCONA:
 	    case PROCESSOR_CORE:
 	    case PROCESSOR_CORE2:
-	      if (cpu_arch_isa_flags.bitfield.cpui686)
+	      if (fragP->tc_frag_data.isa_flags.bitfield.cpui686)
 		patt = alt_long_patt;
 	      else
 		patt = f32_patt;
diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h
index fd8c8ec..f7f829c 100644
--- a/gas/config/tc-i386.h
+++ b/gas/config/tc-i386.h
@@ -187,6 +187,50 @@ void i386_print_statistics (FILE *);
 
 #define md_number_to_chars number_to_chars_littleendian
 
+enum processor_type
+{
+  PROCESSOR_UNKNOWN,
+  PROCESSOR_I386,
+  PROCESSOR_I486,
+  PROCESSOR_PENTIUM,
+  PROCESSOR_PENTIUMPRO,
+  PROCESSOR_PENTIUM4,
+  PROCESSOR_NOCONA,
+  PROCESSOR_CORE,
+  PROCESSOR_CORE2,
+  PROCESSOR_K6,
+  PROCESSOR_ATHLON,
+  PROCESSOR_K8,
+  PROCESSOR_GENERIC32,
+  PROCESSOR_GENERIC64,
+  PROCESSOR_AMDFAM10
+};
+
+extern enum processor_type cpu_arch_tune;
+extern enum processor_type cpu_arch_isa;
+extern i386_cpu_flags cpu_arch_isa_flags;
+
+struct i386_tc_frag_data
+{
+  enum processor_type isa;
+  i386_cpu_flags isa_flags;
+  enum processor_type tune;
+};
+
+/* We need to emit the right NOP pattern in .align frags.  This is
+   done after the text-to-bits assembly pass, so we need to mark it with
+   the isa/tune settings at the time the .align was assembled.  */
+#define TC_FRAG_TYPE struct i386_tc_frag_data
+
+#define TC_FRAG_INIT(FRAGP)					\
+ do								\
+   {								\
+     (FRAGP)->tc_frag_data.isa = cpu_arch_isa;			\
+     (FRAGP)->tc_frag_data.isa_flags = cpu_arch_isa_flags;	\
+     (FRAGP)->tc_frag_data.tune = cpu_arch_tune;		\
+   }								\
+ while (0)
+
 #ifdef SCO_ELF
 #define tc_init_after_args() sco_id ()
 extern void sco_id (void);
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 91baf05..da3b928 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,14 @@
+2008-10-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gas/i386/i386.exp: Run nops-5, nops-5-i686, x86-64-nops-5 and
+	x86-64-nops-5-k8.
+
+	* gas/i386/nops-5.d: New.
+	* gas/i386/nops-5.s: Likewise.
+	* gas/i386/nops-5-i686.d: Likewise.
+	* gas/i386/x86-64-nops-5.d: Likewise.
+	* gas/i386/x86-64-nops-5-k8.d: Likewise.
+
 2008-10-06  Tom Tromey  <tromey@redhat.com>
 
 	* gas/cfi/cfi-alpha-1.d, gas/cfi/cfi-alpha-3.d,
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index c8cef20..8b1b55c 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -79,6 +79,8 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "nops-4"
     run_dump_test "nops-4-i386"
     run_dump_test "nops-4-i686"
+    run_dump_test "nops-5"
+    run_dump_test "nops-5-i686"
     run_dump_test "addr16"
     run_dump_test "addr32"
     run_dump_test "sse4_1"
@@ -242,6 +244,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-nops-4"
     run_dump_test "x86-64-nops-4-core2"
     run_dump_test "x86-64-nops-4-k8"
+    run_dump_test "x86-64-nops-5"
+    run_dump_test "x86-64-nops-5-k8"
     run_dump_test "x86-64-sse4_1"
     run_dump_test "x86-64-sse4_1-intel"
     run_dump_test "x86-64-sse4_2"
diff --git a/gas/testsuite/gas/i386/nops-5-i686.d b/gas/testsuite/gas/i386/nops-5-i686.d
new file mode 100644
index 0000000..2452cd4
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-5-i686.d
@@ -0,0 +1,73 @@
+#as: -march=i686
+#source: nops-5.s
+#objdump: -drw
+#name: i386 -march=i686 nops 5
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <i386>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+10 <i486>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+20 <i586>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+30 <i686>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+40 <pentium4>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+50 <nocona>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+60 <core>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+70 <core2>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+80 <k6>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+90 <athlon>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+a0 <k8>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+b0 <generic32>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+c0 <generic64>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+d0 <amdfam10>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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\(%eax\)
+#pass
diff --git a/gas/testsuite/gas/i386/nops-5.d b/gas/testsuite/gas/i386/nops-5.d
new file mode 100644
index 0000000..49c48b7
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-5.d
@@ -0,0 +1,71 @@
+#objdump: -drw
+#name: i386 nops 5
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <i386>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+10 <i486>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+20 <i586>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+30 <i686>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+40 <pentium4>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+50 <nocona>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+60 <core>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+70 <core2>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+80 <k6>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+90 <athlon>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+a0 <k8>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+b0 <generic32>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%esi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%edi,%eiz,1\),%edi
+
+0+c0 <generic64>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%eax,%eax,1\)
+
+0+d0 <amdfam10>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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\(%eax\)
+#pass
diff --git a/gas/testsuite/gas/i386/nops-5.s b/gas/testsuite/gas/i386/nops-5.s
new file mode 100644
index 0000000..4536c98
--- /dev/null
+++ b/gas/testsuite/gas/i386/nops-5.s
@@ -0,0 +1,70 @@
+	.text
+	.arch i386
+i386:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch i486
+i486:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch i586
+i586:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch i686
+i686:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch pentium4
+pentium4:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch nocona
+nocona:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch core
+core:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch core2
+core2:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch k6
+k6:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch athlon
+athlon:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch k8
+k8:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch generic32
+generic32:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch generic64
+generic64:
+	movsbl %al,%esi
+	.p2align 4
+
+	.arch amdfam10
+amdfam10:
+	movsbl %al,%esi
+	.p2align 4
diff --git a/gas/testsuite/gas/i386/x86-64-nops-5-k8.d b/gas/testsuite/gas/i386/x86-64-nops-5-k8.d
new file mode 100644
index 0000000..05d1e2e
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-nops-5-k8.d
@@ -0,0 +1,73 @@
+#as: -march=k8
+#source: nops-5.s
+#objdump: -drw
+#name: x86-64 -march=k8 nops 5
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <i386>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+10 <i486>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+20 <i586>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+30 <i686>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+40 <pentium4>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+50 <nocona>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+60 <core>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+70 <core2>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+80 <k6>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+90 <athlon>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+a0 <k8>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+b0 <generic32>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+c0 <generic64>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+d0 <amdfam10>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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\(%rax\)
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-nops-5.d b/gas/testsuite/gas/i386/x86-64-nops-5.d
new file mode 100644
index 0000000..cf0401d
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-nops-5.d
@@ -0,0 +1,72 @@
+#source: nops-5.s
+#objdump: -drw
+#name: x86-64 nops 5
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <i386>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+10 <i486>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+20 <i586>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+30 <i686>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+40 <pentium4>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+50 <nocona>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+60 <core>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+70 <core2>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+80 <k6>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+90 <athlon>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+a0 <k8>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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+b0 <generic32>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	8d b6 00 00 00 00    	lea    0x0\(%rsi\),%esi
+[ 	]*[a-f0-9]+:	8d bc 27 00 00 00 00 	lea    0x0\(%rdi,%riz,1\),%edi
+
+0+c0 <generic64>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[a-f0-9]+:	66 66 66 66 2e 0f 1f 84 00 00 00 00 00 	nopw   %cs:0x0\(%rax,%rax,1\)
+
+0+d0 <amdfam10>:
+[ 	]*[a-f0-9]+:	0f be f0             	movsbl %al,%esi
+[ 	]*[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\(%rax\)
+#pass