From c1ba026631b21acbb0cf32e36fa7130df3cc6eee Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sat, 14 Nov 2009 06:04:34 +0000 Subject: [PATCH] Check destination operand for lockable instructions. gas/ 2009-11-13 H.J. Lu * config/tc-i386.c (md_assemble): Check destination operand for lockable instructions. gas/testsuite/ 2009-11-13 H.J. Lu * 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. --- gas/ChangeLog | 5 + gas/config/tc-i386.c | 7 +- gas/testsuite/ChangeLog | 13 +++ gas/testsuite/gas/i386/lock-1-intel.d | 28 +++--- gas/testsuite/gas/i386/lock-1.d | 28 +++--- gas/testsuite/gas/i386/lock-1.s | 28 +++--- gas/testsuite/gas/i386/lockbad-1.l | 100 ++++++++++++------- gas/testsuite/gas/i386/lockbad-1.s | 16 +++ gas/testsuite/gas/i386/x86-64-lock-1-intel.d | 28 +++--- gas/testsuite/gas/i386/x86-64-lock-1.d | 28 +++--- gas/testsuite/gas/i386/x86-64-lock-1.s | 28 +++--- gas/testsuite/gas/i386/x86-64-lockbad-1.l | 100 ++++++++++++------- gas/testsuite/gas/i386/x86-64-lockbad-1.s | 16 +++ 13 files changed, 269 insertions(+), 156 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index f61097cfcea..94dc620df69 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2009-11-13 H.J. Lu + + * config/tc-i386.c (md_assemble): Check destination operand + for lockable instructions. + 2009-11-13 H.J. Lu * config/tc-i386.c (_i386_insn): Don't use bit field on diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 6aa9949d86d..8a6779772b1 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 2c55bd5b5d1..165266d9b28 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,16 @@ +2009-11-13 H.J. Lu + + * 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 * gas/i386/rex.s: Add a test for VEX insn. diff --git a/gas/testsuite/gas/i386/lock-1-intel.d b/gas/testsuite/gas/i386/lock-1-intel.d index 9897a92236c..d197a09734d 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+ : -[ ]*[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 a9ab747c0cb..3621a2ebcb9 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+ : -[ ]*[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 11991f7b219..4a2a90e6a45 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 19ea0490911..a639b526dc0 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 dbb5b5c8b03..0dd493a5ef2 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 5cc0c087c6c..3a5cc38b7f2 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+ : -[ ]*[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 112f289cb9d..bf065cbc130 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+ : -[ ]*[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 5f21dce0eb5..e6da5c590c3 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 9753e14e505..dad0c06e2f7 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 6a20a0c5db9..8b1f9b054a2 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] -- 2.30.2