Bug 126261

Summary: (jcxz) vex x86->IR: unhandled instruction bytes: 0x67 0xE3 0x3 0x83
Product: [Developer tools] valgrind Reporter: Thomas Kühne <thomas-dloop>
Component: vexAssignee: Julian Seward <jseward>
Status: RESOLVED DUPLICATE    
Severity: major    
Priority: NOR    
Version First Reported In: 3.2 SVN   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Thomas Kühne 2006-04-25 23:43:45 UTC 
12:   66 b9 00 00             mov    cx,0x0
  16:   67 e3 03                addr16 jcxz 1c <_Dmain+0x1c>
  19:   83 c0 01                add    eax,0x1

(http://dstress.kuehne.cn/run/a/asm_jczx_01_A.d)
Comment 1 Julian Seward 2006-05-03 16:47:27 UTC 
>            Summary: (jcxz) vex x86->IR: unhandled instruction bytes: 0x67

0x67 is an address-size override, which makes it seem pretty dubious in 
32-bit user-mode.  Unless you're doing something strange like Wine does.
Comment 2 Ruud Schramp (via spam catcher) 2006-11-09 22:13:38 UTC 
Patch available: check 137095
Comment 3 Tom Hughes 2006-11-10 01:08:57 UTC 

*** This bug has been marked as a duplicate of 137095 ***