http://llvm.org/bugs/show_bug.cgi?id=9149
Summary: [MC] Disassembler fails to decode instructions with
alternate encodings
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Assembling "movl %esi,%eax" with llvm-mc produces [0x89,0xc6]
But the same instruction can as well be encoded as [0x8b 0xf0]
Simple example:
echo "0x8b 0xf0" | ./llvm-mc -disassemble -triple=i386-unknown-unknown
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