[LLVMbugs] [Bug 7788] New: ARM disassembler mis-disassembles adcs reg, reg, imm

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Aug 2 05:46:13 PDT 2010


           Summary: ARM disassembler mis-disassembles adcs reg,reg,imm
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sliedes at cc.hut.fi
                CC: llvmbugs at cs.uiuc.edu

(trunk rev 110038)

The opcode


is disassembled as

  adcs  r12, r10, #153, 20

which seems nonsensical to me. The asm syntax for adc (immediate) is:

  ADC{s}<c> <Rd>,<Rn>,#<const>

I believe the correct disassembly would be

  adcs  r12, r10, #626688

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