Check destination operand for lockable instructions.

gas/

2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (md_assemble): Check destination operand
	for lockable instructions.

gas/testsuite/

2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/lock-1-intel.d: Updated.
	* gas/i386/lock-1.d: Likewise.
	* gas/i386/lock-1.s: Likewise.
	* gas/i386/lockbad-1.l: Likewise.
	* gas/i386/lockbad-1.s: Likewise.
	* gas/i386/x86-64-lock-1-intel.d: Likewise.
	* gas/i386/x86-64-lock-1.d: Likewise.
	* gas/i386/x86-64-lock-1.s: Likewise.
	* gas/i386/x86-64-lockbad-1.l: Likewise.
	* gas/i386/x86-64-lockbad-1.s: Likewise.

13 files changed, 269 insertions, 156 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index f61097c..94dc620 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,10 @@
 2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* config/tc-i386.c (md_assemble): Check destination operand
+	for lockable instructions.
+
+2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* config/tc-i386.c (_i386_insn): Don't use bit field on
 	swap_operand.
 
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 6aa9949..8a67797 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -2932,10 +2932,13 @@ md_assemble (char *line)
     if (!add_prefix (FWAIT_OPCODE))
       return;
 
-  /* Check for lock without a lockable instruction.  */
+  /* Check for lock without a lockable instruction.  Destination operand
+     must be memory unless it is xchg (0x86).  */
   if (i.prefix[LOCK_PREFIX]
       && (!i.tm.opcode_modifier.islockable
-	  || i.mem_operands == 0))
+	  || i.mem_operands == 0
+	  || (i.tm.base_opcode != 0x86
+	      && !operand_type_check (i.types[i.operands - 1], anymem))))
     {
       as_bad (_("expecting lockable instruction after `lock'"));
       return;
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 2c55bd5..165266d 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,5 +1,18 @@
 2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* gas/i386/lock-1-intel.d: Updated.
+	* gas/i386/lock-1.d: Likewise.
+	* gas/i386/lock-1.s: Likewise.
+	* gas/i386/lockbad-1.l: Likewise.
+	* gas/i386/lockbad-1.s: Likewise.
+	* gas/i386/x86-64-lock-1-intel.d: Likewise.
+	* gas/i386/x86-64-lock-1.d: Likewise.
+	* gas/i386/x86-64-lock-1.s: Likewise.
+	* gas/i386/x86-64-lockbad-1.l: Likewise.
+	* gas/i386/x86-64-lockbad-1.s: Likewise.
+
+2009-11-13  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* gas/i386/rex.s: Add a test for VEX insn.
 	* gas/i386/rex.d: Updated.
 
diff --git a/gas/testsuite/gas/i386/lock-1-intel.d b/gas/testsuite/gas/i386/lock-1-intel.d
index 9897a92..d197a09 100644
--- a/gas/testsuite/gas/i386/lock-1-intel.d
+++ b/gas/testsuite/gas/i386/lock-1-intel.d
@@ -8,11 +8,11 @@
 Disassembly of section .text:
 
 0+ <foo>:
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock add DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adc DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock and DWORD PTR \[ebx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btc DWORD PTR \[ebx\],0x64
@@ -26,22 +26,22 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock inc DWORD PTR \[ebx\]
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock neg DWORD PTR \[ebx\]
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock not DWORD PTR \[ebx\]
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock or DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbb DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock sub DWORD PTR \[ebx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[ebx\],eax
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xor DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock add DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adc DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock and DWORD PTR \[ebx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btc DWORD PTR \[ebx\],0x64
@@ -55,15 +55,15 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock inc DWORD PTR \[ebx\]
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock neg DWORD PTR \[ebx\]
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock not DWORD PTR \[ebx\]
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock or DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbb DWORD PTR \[ebx\],0x64
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock sub DWORD PTR \[ebx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[ebx\],eax
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor eax,DWORD PTR \[ebx\]
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor DWORD PTR \[ebx\],eax
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xor DWORD PTR \[ebx\],0x64
 #pass
diff --git a/gas/testsuite/gas/i386/lock-1.d b/gas/testsuite/gas/i386/lock-1.d
index a9ab747..3621a2e 100644
--- a/gas/testsuite/gas/i386/lock-1.d
+++ b/gas/testsuite/gas/i386/lock-1.d
@@ -7,11 +7,11 @@
 Disassembly of section .text:
 
 0+ <foo>:
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock addl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adcl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock andl \$0x64,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btcl \$0x64,\(%ebx\)
@@ -25,22 +25,22 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock incl \(%ebx\)
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock negl \(%ebx\)
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock notl \(%ebx\)
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock orl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbbl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock subl \$0x64,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xorl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock addl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adcl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock andl \$0x64,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btcl \$0x64,\(%ebx\)
@@ -54,15 +54,15 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock incl \(%ebx\)
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock negl \(%ebx\)
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock notl \(%ebx\)
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock orl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbbl \$0x64,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock subl \$0x64,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%ebx\)
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor \(%ebx\),%eax
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor %eax,\(%ebx\)
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xorl \$0x64,\(%ebx\)
 #pass
diff --git a/gas/testsuite/gas/i386/lock-1.s b/gas/testsuite/gas/i386/lock-1.s
index 11991f7..4a2a90e 100644
--- a/gas/testsuite/gas/i386/lock-1.s
+++ b/gas/testsuite/gas/i386/lock-1.s
@@ -2,11 +2,11 @@
 
 	.text
 foo:
-	lock add (%ebx), %eax
+	lock add %eax, (%ebx)
 	lock add $0x64, (%ebx)
-	lock adc (%ebx), %eax
+	lock adc %eax, (%ebx)
 	lock adc $0x64, (%ebx)
-	lock and (%ebx), %eax
+	lock and %eax, (%ebx)
 	lock and $0x64, (%ebx)
 	lock btc %eax, (%ebx)
 	lock btc $0x64, (%ebx)
@@ -20,24 +20,24 @@ foo:
 	lock incl (%ebx)
 	lock negl (%ebx)
 	lock notl (%ebx)
-	lock or (%ebx), %eax
+	lock or %eax, (%ebx)
 	lock or $0x64, (%ebx)
-	lock sbb (%ebx), %eax
+	lock sbb %eax, (%ebx)
 	lock sbb $0x64, (%ebx)
-	lock sub (%ebx), %eax
+	lock sub %eax, (%ebx)
 	lock sub $0x64, (%ebx)
 	lock xadd %eax, (%ebx)
 	lock xchg (%ebx), %eax
 	lock xchg %eax, (%ebx)
-	lock xor (%ebx), %eax
+	lock xor %eax, (%ebx)
 	lock xor $0x64, (%ebx)
 
 	.intel_syntax noprefix
-	lock add eax,DWORD PTR [ebx]
+	lock add DWORD PTR [ebx],eax
 	lock add DWORD PTR [ebx],0x64
-	lock adc eax,DWORD PTR [ebx]
+	lock adc DWORD PTR [ebx],eax
 	lock adc DWORD PTR [ebx],0x64
-	lock and eax,DWORD PTR [ebx]
+	lock and DWORD PTR [ebx],eax
 	lock and DWORD PTR [ebx],0x64
 	lock btc DWORD PTR [ebx],eax
 	lock btc DWORD PTR [ebx],0x64
@@ -51,14 +51,14 @@ foo:
 	lock inc DWORD PTR [ebx]
 	lock neg DWORD PTR [ebx]
 	lock not DWORD PTR [ebx]
-	lock or eax,DWORD PTR [ebx]
+	lock or DWORD PTR [ebx],eax
 	lock or DWORD PTR [ebx],0x64
-	lock sbb eax,DWORD PTR [ebx]
+	lock sbb DWORD PTR [ebx],eax
 	lock sbb DWORD PTR [ebx],0x64
-	lock sub eax,DWORD PTR [ebx]
+	lock sub DWORD PTR [ebx],eax
 	lock sub DWORD PTR [ebx],0x64
 	lock xadd DWORD PTR [ebx],eax
 	lock xchg DWORD PTR [ebx],eax
 	lock xchg DWORD PTR [ebx],eax
-	lock xor eax,DWORD PTR [ebx]
+	lock xor DWORD PTR [ebx],eax
 	lock xor DWORD PTR [ebx],0x64
diff --git a/gas/testsuite/gas/i386/lockbad-1.l b/gas/testsuite/gas/i386/lockbad-1.l
index 19ea049..a639b52 100644
--- a/gas/testsuite/gas/i386/lockbad-1.l
+++ b/gas/testsuite/gas/i386/lockbad-1.l
@@ -29,16 +29,15 @@
 .*:33: Error: .*
 .*:34: Error: .*
 .*:35: Error: .*
+.*:37: Error: .*
 .*:38: Error: .*
 .*:39: Error: .*
+.*:40: Error: .*
 .*:41: Error: .*
 .*:42: Error: .*
 .*:43: Error: .*
-.*:44: Error: .*
-.*:45: Error: .*
 .*:46: Error: .*
 .*:47: Error: .*
-.*:48: Error: .*
 .*:49: Error: .*
 .*:50: Error: .*
 .*:51: Error: .*
@@ -59,6 +58,21 @@
 .*:66: Error: .*
 .*:67: Error: .*
 .*:68: Error: .*
+.*:69: Error: .*
+.*:70: Error: .*
+.*:71: Error: .*
+.*:72: Error: .*
+.*:73: Error: .*
+.*:74: Error: .*
+.*:75: Error: .*
+.*:76: Error: .*
+.*:78: Error: .*
+.*:79: Error: .*
+.*:80: Error: .*
+.*:81: Error: .*
+.*:82: Error: .*
+.*:83: Error: .*
+.*:84: Error: .*
 GAS LISTING .*
 
 
@@ -98,38 +112,54 @@ GAS LISTING .*
 [ 	]*34[ 	]+lock xor %ebx, %eax
 [ 	]*35[ 	]+lock xor \$0x64, %ebx
 [ 	]*36[ 	]+
-[ 	]*37[ 	]+\.intel_syntax noprefix
-[ 	]*38[ 	]+lock mov eax,ebx
-[ 	]*39[ 	]+lock mov eax,DWORD PTR \[ebx\]
-[ 	]*40[ 	]+
-[ 	]*41[ 	]+lock add eax,ebx
-[ 	]*42[ 	]+lock add ebx,0x64
-[ 	]*43[ 	]+lock adc eax,ebx
-[ 	]*44[ 	]+lock adc ebx,0x64
-[ 	]*45[ 	]+lock and eax,ebx
-[ 	]*46[ 	]+lock and ebx,0x64
-[ 	]*47[ 	]+lock btc ebx,eax
-[ 	]*48[ 	]+lock btc ebx,0x64
-[ 	]*49[ 	]+lock btr ebx,eax
-[ 	]*50[ 	]+lock btr ebx,0x64
-[ 	]*51[ 	]+lock bts ebx,eax
-[ 	]*52[ 	]+lock bts ebx,0x64
-[ 	]*53[ 	]+lock cmpxchg ebx,eax
-[ 	]*54[ 	]+lock dec ebx
-[ 	]*55[ 	]+lock inc ebx
-[ 	]*56[ 	]+lock neg ebx
-[ 	]*57[ 	]+lock not ebx
+[ 	]*37[ 	]+lock add \(%ebx\), %eax
+[ 	]*38[ 	]+lock adc \(%ebx\), %eax
+[ 	]*39[ 	]+lock and \(%ebx\), %eax
+[ 	]*40[ 	]+lock or \(%ebx\), %eax
+[ 	]*41[ 	]+lock sbb \(%ebx\), %eax
+[ 	]*42[ 	]+lock sub \(%ebx\), %eax
+[ 	]*43[ 	]+lock xor \(%ebx\), %eax
+[ 	]*44[ 	]+
+[ 	]*45[ 	]+\.intel_syntax noprefix
+[ 	]*46[ 	]+lock mov eax,ebx
+[ 	]*47[ 	]+lock mov eax,DWORD PTR \[ebx\]
+[ 	]*48[ 	]+
+[ 	]*49[ 	]+lock add eax,ebx
+[ 	]*50[ 	]+lock add ebx,0x64
+[ 	]*51[ 	]+lock adc eax,ebx
+[ 	]*52[ 	]+lock adc ebx,0x64
+[ 	]*53[ 	]+lock and eax,ebx
+[ 	]*54[ 	]+lock and ebx,0x64
+[ 	]*55[ 	]+lock btc ebx,eax
+[ 	]*56[ 	]+lock btc ebx,0x64
+[ 	]*57[ 	]+lock btr ebx,eax
 GAS LISTING .*
 
 
-[ 	]*58[ 	]+lock or eax,ebx
-[ 	]*59[ 	]+lock or ebx,0x64
-[ 	]*60[ 	]+lock sbb eax,ebx
-[ 	]*61[ 	]+lock sbb ebx,0x64
-[ 	]*62[ 	]+lock sub eax,ebx
-[ 	]*63[ 	]+lock sub ebx,0x64
-[ 	]*64[ 	]+lock xadd ebx,eax
-[ 	]*65[ 	]+lock xchg ebx,eax
-[ 	]*66[ 	]+lock xchg ebx,eax
-[ 	]*67[ 	]+lock xor eax,ebx
-[ 	]*68[ 	]+lock xor ebx,0x64
+[ 	]*58[ 	]+lock btr ebx,0x64
+[ 	]*59[ 	]+lock bts ebx,eax
+[ 	]*60[ 	]+lock bts ebx,0x64
+[ 	]*61[ 	]+lock cmpxchg ebx,eax
+[ 	]*62[ 	]+lock dec ebx
+[ 	]*63[ 	]+lock inc ebx
+[ 	]*64[ 	]+lock neg ebx
+[ 	]*65[ 	]+lock not ebx
+[ 	]*66[ 	]+lock or eax,ebx
+[ 	]*67[ 	]+lock or ebx,0x64
+[ 	]*68[ 	]+lock sbb eax,ebx
+[ 	]*69[ 	]+lock sbb ebx,0x64
+[ 	]*70[ 	]+lock sub eax,ebx
+[ 	]*71[ 	]+lock sub ebx,0x64
+[ 	]*72[ 	]+lock xadd ebx,eax
+[ 	]*73[ 	]+lock xchg ebx,eax
+[ 	]*74[ 	]+lock xchg ebx,eax
+[ 	]*75[ 	]+lock xor eax,ebx
+[ 	]*76[ 	]+lock xor ebx,0x64
+[ 	]*77[ 	]+
+[ 	]*78[ 	]+lock add eax,DWORD PTR \[ebx\]
+[ 	]*79[ 	]+lock adc eax,DWORD PTR \[ebx\]
+[ 	]*80[ 	]+lock and eax,DWORD PTR \[ebx\]
+[ 	]*81[ 	]+lock or eax,DWORD PTR \[ebx\]
+[ 	]*82[ 	]+lock sbb eax,DWORD PTR \[ebx\]
+[ 	]*83[ 	]+lock sub eax,DWORD PTR \[ebx\]
+[ 	]*84[ 	]+lock xor eax,DWORD PTR \[ebx\]
diff --git a/gas/testsuite/gas/i386/lockbad-1.s b/gas/testsuite/gas/i386/lockbad-1.s
index dbb5b5c..0dd493a 100644
--- a/gas/testsuite/gas/i386/lockbad-1.s
+++ b/gas/testsuite/gas/i386/lockbad-1.s
@@ -34,6 +34,14 @@ foo:
 	lock xor %ebx, %eax
 	lock xor $0x64, %ebx
 
+	lock add (%ebx), %eax
+	lock adc (%ebx), %eax
+	lock and (%ebx), %eax
+	lock or (%ebx), %eax
+	lock sbb (%ebx), %eax
+	lock sub (%ebx), %eax
+	lock xor (%ebx), %eax
+
 	.intel_syntax noprefix
 	lock mov eax,ebx
 	lock mov eax,DWORD PTR [ebx]
@@ -66,3 +74,11 @@ foo:
 	lock xchg ebx,eax
 	lock xor eax,ebx
 	lock xor ebx,0x64
+
+	lock add eax,DWORD PTR [ebx]
+	lock adc eax,DWORD PTR [ebx]
+	lock and eax,DWORD PTR [ebx]
+	lock or eax,DWORD PTR [ebx]
+	lock sbb eax,DWORD PTR [ebx]
+	lock sub eax,DWORD PTR [ebx]
+	lock xor eax,DWORD PTR [ebx]
diff --git a/gas/testsuite/gas/i386/x86-64-lock-1-intel.d b/gas/testsuite/gas/i386/x86-64-lock-1-intel.d
index 5cc0c08..3a5cc38 100644
--- a/gas/testsuite/gas/i386/x86-64-lock-1-intel.d
+++ b/gas/testsuite/gas/i386/x86-64-lock-1-intel.d
@@ -8,11 +8,11 @@
 Disassembly of section .text:
 
 0+ <foo>:
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock add DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adc DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock and DWORD PTR \[rbx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btc DWORD PTR \[rbx\],0x64
@@ -26,22 +26,22 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock inc DWORD PTR \[rbx\]
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock neg DWORD PTR \[rbx\]
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock not DWORD PTR \[rbx\]
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock or DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbb DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock sub DWORD PTR \[rbx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[rbx\],eax
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xor DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock add DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adc DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock and DWORD PTR \[rbx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btc DWORD PTR \[rbx\],0x64
@@ -55,15 +55,15 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock inc DWORD PTR \[rbx\]
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock neg DWORD PTR \[rbx\]
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock not DWORD PTR \[rbx\]
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock or DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbb DWORD PTR \[rbx\],0x64
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock sub DWORD PTR \[rbx\],0x64
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg DWORD PTR \[rbx\],eax
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor eax,DWORD PTR \[rbx\]
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor DWORD PTR \[rbx\],eax
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xor DWORD PTR \[rbx\],0x64
 #pass
diff --git a/gas/testsuite/gas/i386/x86-64-lock-1.d b/gas/testsuite/gas/i386/x86-64-lock-1.d
index 112f289..bf065cb 100644
--- a/gas/testsuite/gas/i386/x86-64-lock-1.d
+++ b/gas/testsuite/gas/i386/x86-64-lock-1.d
@@ -7,11 +7,11 @@
 Disassembly of section .text:
 
 0+ <foo>:
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock addl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adcl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock andl \$0x64,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btcl \$0x64,\(%rbx\)
@@ -25,22 +25,22 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock incl \(%rbx\)
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock negl \(%rbx\)
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock notl \(%rbx\)
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock orl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbbl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock subl \$0x64,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xorl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 03 03             	lock add \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 01 03             	lock add %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 03 64          	lock addl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 13 03             	lock adc \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 11 03             	lock adc %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 13 64          	lock adcl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 23 03             	lock and \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 21 03             	lock and %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 23 64          	lock andl \$0x64,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f bb 03          	lock btc %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f ba 3b 64       	lock btcl \$0x64,\(%rbx\)
@@ -54,15 +54,15 @@ Disassembly of section .text:
 [ 	]*[a-f0-9]+:	f0 ff 03             	lock incl \(%rbx\)
 [ 	]*[a-f0-9]+:	f0 f7 1b             	lock negl \(%rbx\)
 [ 	]*[a-f0-9]+:	f0 f7 13             	lock notl \(%rbx\)
-[ 	]*[a-f0-9]+:	f0 0b 03             	lock or \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 09 03             	lock or %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 0b 64          	lock orl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 1b 03             	lock sbb \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 19 03             	lock sbb %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 1b 64          	lock sbbl \$0x64,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 2b 03             	lock sub \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 29 03             	lock sub %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 2b 64          	lock subl \$0x64,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 0f c1 03          	lock xadd %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 87 03             	lock xchg %eax,\(%rbx\)
-[ 	]*[a-f0-9]+:	f0 33 03             	lock xor \(%rbx\),%eax
+[ 	]*[a-f0-9]+:	f0 31 03             	lock xor %eax,\(%rbx\)
 [ 	]*[a-f0-9]+:	f0 83 33 64          	lock xorl \$0x64,\(%rbx\)
 #pass
diff --git a/gas/testsuite/gas/i386/x86-64-lock-1.s b/gas/testsuite/gas/i386/x86-64-lock-1.s
index 5f21dce..e6da5c5 100644
--- a/gas/testsuite/gas/i386/x86-64-lock-1.s
+++ b/gas/testsuite/gas/i386/x86-64-lock-1.s
@@ -2,11 +2,11 @@
 
 	.text
 foo:
-	lock add (%rbx), %eax
+	lock add %eax, (%rbx)
 	lock add $0x64, (%rbx)
-	lock adc (%rbx), %eax
+	lock adc %eax, (%rbx)
 	lock adc $0x64, (%rbx)
-	lock and (%rbx), %eax
+	lock and %eax, (%rbx)
 	lock and $0x64, (%rbx)
 	lock btc %eax, (%rbx)
 	lock btc $0x64, (%rbx)
@@ -20,24 +20,24 @@ foo:
 	lock incl (%rbx)
 	lock negl (%rbx)
 	lock notl (%rbx)
-	lock or (%rbx), %eax
+	lock or %eax, (%rbx)
 	lock or $0x64, (%rbx)
-	lock sbb (%rbx), %eax
+	lock sbb %eax, (%rbx)
 	lock sbb $0x64, (%rbx)
-	lock sub (%rbx), %eax
+	lock sub %eax, (%rbx)
 	lock sub $0x64, (%rbx)
 	lock xadd %eax, (%rbx)
 	lock xchg (%rbx), %eax
 	lock xchg %eax, (%rbx)
-	lock xor (%rbx), %eax
+	lock xor %eax, (%rbx)
 	lock xor $0x64, (%rbx)
 
 	.intel_syntax noprefix
-	lock add eax,DWORD PTR [rbx]
+	lock add DWORD PTR [rbx],eax
 	lock add DWORD PTR [rbx],0x64
-	lock adc eax,DWORD PTR [rbx]
+	lock adc DWORD PTR [rbx],eax
 	lock adc DWORD PTR [rbx],0x64
-	lock and eax,DWORD PTR [rbx]
+	lock and DWORD PTR [rbx],eax
 	lock and DWORD PTR [rbx],0x64
 	lock btc DWORD PTR [rbx],eax
 	lock btc DWORD PTR [rbx],0x64
@@ -51,14 +51,14 @@ foo:
 	lock inc DWORD PTR [rbx]
 	lock neg DWORD PTR [rbx]
 	lock not DWORD PTR [rbx]
-	lock or eax,DWORD PTR [rbx]
+	lock or DWORD PTR [rbx],eax
 	lock or DWORD PTR [rbx],0x64
-	lock sbb eax,DWORD PTR [rbx]
+	lock sbb DWORD PTR [rbx],eax
 	lock sbb DWORD PTR [rbx],0x64
-	lock sub eax,DWORD PTR [rbx]
+	lock sub DWORD PTR [rbx],eax
 	lock sub DWORD PTR [rbx],0x64
 	lock xadd DWORD PTR [rbx],eax
 	lock xchg DWORD PTR [rbx],eax
 	lock xchg DWORD PTR [rbx],eax
-	lock xor eax,DWORD PTR [rbx]
+	lock xor DWORD PTR [rbx],eax
 	lock xor DWORD PTR [rbx],0x64
diff --git a/gas/testsuite/gas/i386/x86-64-lockbad-1.l b/gas/testsuite/gas/i386/x86-64-lockbad-1.l
index 9753e14..dad0c06 100644
--- a/gas/testsuite/gas/i386/x86-64-lockbad-1.l
+++ b/gas/testsuite/gas/i386/x86-64-lockbad-1.l
@@ -29,16 +29,15 @@
 .*:33: Error: .*
 .*:34: Error: .*
 .*:35: Error: .*
+.*:37: Error: .*
 .*:38: Error: .*
 .*:39: Error: .*
+.*:40: Error: .*
 .*:41: Error: .*
 .*:42: Error: .*
 .*:43: Error: .*
-.*:44: Error: .*
-.*:45: Error: .*
 .*:46: Error: .*
 .*:47: Error: .*
-.*:48: Error: .*
 .*:49: Error: .*
 .*:50: Error: .*
 .*:51: Error: .*
@@ -59,6 +58,21 @@
 .*:66: Error: .*
 .*:67: Error: .*
 .*:68: Error: .*
+.*:69: Error: .*
+.*:70: Error: .*
+.*:71: Error: .*
+.*:72: Error: .*
+.*:73: Error: .*
+.*:74: Error: .*
+.*:75: Error: .*
+.*:76: Error: .*
+.*:78: Error: .*
+.*:79: Error: .*
+.*:80: Error: .*
+.*:81: Error: .*
+.*:82: Error: .*
+.*:83: Error: .*
+.*:84: Error: .*
 GAS LISTING .*
 
 
@@ -98,38 +112,54 @@ GAS LISTING .*
 [ 	]*34[ 	]+lock xor %ebx, %eax
 [ 	]*35[ 	]+lock xor \$0x64, %ebx
 [ 	]*36[ 	]+
-[ 	]*37[ 	]+\.intel_syntax noprefix
-[ 	]*38[ 	]+lock mov eax,ebx
-[ 	]*39[ 	]+lock mov eax,DWORD PTR \[rbx\]
-[ 	]*40[ 	]+
-[ 	]*41[ 	]+lock add eax,ebx
-[ 	]*42[ 	]+lock add ebx,0x64
-[ 	]*43[ 	]+lock adc eax,ebx
-[ 	]*44[ 	]+lock adc ebx,0x64
-[ 	]*45[ 	]+lock and eax,ebx
-[ 	]*46[ 	]+lock and ebx,0x64
-[ 	]*47[ 	]+lock btc ebx,eax
-[ 	]*48[ 	]+lock btc ebx,0x64
-[ 	]*49[ 	]+lock btr ebx,eax
-[ 	]*50[ 	]+lock btr ebx,0x64
-[ 	]*51[ 	]+lock bts ebx,eax
-[ 	]*52[ 	]+lock bts ebx,0x64
-[ 	]*53[ 	]+lock cmpxchg ebx,eax
-[ 	]*54[ 	]+lock dec ebx
-[ 	]*55[ 	]+lock inc ebx
-[ 	]*56[ 	]+lock neg ebx
-[ 	]*57[ 	]+lock not ebx
+[ 	]*37[ 	]+lock add \(%rbx\), %eax
+[ 	]*38[ 	]+lock adc \(%rbx\), %eax
+[ 	]*39[ 	]+lock and \(%rbx\), %eax
+[ 	]*40[ 	]+lock or \(%rbx\), %eax
+[ 	]*41[ 	]+lock sbb \(%rbx\), %eax
+[ 	]*42[ 	]+lock sub \(%rbx\), %eax
+[ 	]*43[ 	]+lock xor \(%rbx\), %eax
+[ 	]*44[ 	]+
+[ 	]*45[ 	]+\.intel_syntax noprefix
+[ 	]*46[ 	]+lock mov eax,ebx
+[ 	]*47[ 	]+lock mov eax,DWORD PTR \[rbx\]
+[ 	]*48[ 	]+
+[ 	]*49[ 	]+lock add eax,ebx
+[ 	]*50[ 	]+lock add ebx,0x64
+[ 	]*51[ 	]+lock adc eax,ebx
+[ 	]*52[ 	]+lock adc ebx,0x64
+[ 	]*53[ 	]+lock and eax,ebx
+[ 	]*54[ 	]+lock and ebx,0x64
+[ 	]*55[ 	]+lock btc ebx,eax
+[ 	]*56[ 	]+lock btc ebx,0x64
+[ 	]*57[ 	]+lock btr ebx,eax
 GAS LISTING .*
 
 
-[ 	]*58[ 	]+lock or eax,ebx
-[ 	]*59[ 	]+lock or ebx,0x64
-[ 	]*60[ 	]+lock sbb eax,ebx
-[ 	]*61[ 	]+lock sbb ebx,0x64
-[ 	]*62[ 	]+lock sub eax,ebx
-[ 	]*63[ 	]+lock sub ebx,0x64
-[ 	]*64[ 	]+lock xadd ebx,eax
-[ 	]*65[ 	]+lock xchg ebx,eax
-[ 	]*66[ 	]+lock xchg ebx,eax
-[ 	]*67[ 	]+lock xor eax,ebx
-[ 	]*68[ 	]+lock xor ebx,0x64
+[ 	]*58[ 	]+lock btr ebx,0x64
+[ 	]*59[ 	]+lock bts ebx,eax
+[ 	]*60[ 	]+lock bts ebx,0x64
+[ 	]*61[ 	]+lock cmpxchg ebx,eax
+[ 	]*62[ 	]+lock dec ebx
+[ 	]*63[ 	]+lock inc ebx
+[ 	]*64[ 	]+lock neg ebx
+[ 	]*65[ 	]+lock not ebx
+[ 	]*66[ 	]+lock or eax,ebx
+[ 	]*67[ 	]+lock or ebx,0x64
+[ 	]*68[ 	]+lock sbb eax,ebx
+[ 	]*69[ 	]+lock sbb ebx,0x64
+[ 	]*70[ 	]+lock sub eax,ebx
+[ 	]*71[ 	]+lock sub ebx,0x64
+[ 	]*72[ 	]+lock xadd ebx,eax
+[ 	]*73[ 	]+lock xchg ebx,eax
+[ 	]*74[ 	]+lock xchg ebx,eax
+[ 	]*75[ 	]+lock xor eax,ebx
+[ 	]*76[ 	]+lock xor ebx,0x64
+[ 	]*77[ 	]+
+[ 	]*78[ 	]+lock add eax,DWORD PTR \[rbx\]
+[ 	]*79[ 	]+lock adc eax,DWORD PTR \[rbx\]
+[ 	]*80[ 	]+lock and eax,DWORD PTR \[rbx\]
+[ 	]*81[ 	]+lock or eax,DWORD PTR \[rbx\]
+[ 	]*82[ 	]+lock sbb eax,DWORD PTR \[rbx\]
+[ 	]*83[ 	]+lock sub eax,DWORD PTR \[rbx\]
+[ 	]*84[ 	]+lock xor eax,DWORD PTR \[rbx\]
diff --git a/gas/testsuite/gas/i386/x86-64-lockbad-1.s b/gas/testsuite/gas/i386/x86-64-lockbad-1.s
index 6a20a0c..8b1f9b0 100644
--- a/gas/testsuite/gas/i386/x86-64-lockbad-1.s
+++ b/gas/testsuite/gas/i386/x86-64-lockbad-1.s
@@ -34,6 +34,14 @@ foo:
 	lock xor %ebx, %eax
 	lock xor $0x64, %ebx
 
+	lock add (%rbx), %eax
+	lock adc (%rbx), %eax
+	lock and (%rbx), %eax
+	lock or (%rbx), %eax
+	lock sbb (%rbx), %eax
+	lock sub (%rbx), %eax
+	lock xor (%rbx), %eax
+
 	.intel_syntax noprefix
 	lock mov eax,ebx
 	lock mov eax,DWORD PTR [rbx]
@@ -66,3 +74,11 @@ foo:
 	lock xchg ebx,eax
 	lock xor eax,ebx
 	lock xor ebx,0x64
+
+	lock add eax,DWORD PTR [rbx]
+	lock adc eax,DWORD PTR [rbx]
+	lock and eax,DWORD PTR [rbx]
+	lock or eax,DWORD PTR [rbx]
+	lock sbb eax,DWORD PTR [rbx]
+	lock sub eax,DWORD PTR [rbx]
+	lock xor eax,DWORD PTR [rbx]