[LLVMbugs] [Bug 19033] New: [MC] Intel syntax assembly parser misparses symbol with immediate offset: [_g0 + 8]

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Mar 3 15:33:56 PST 2014


http://llvm.org/bugs/show_bug.cgi?id=19033

            Bug ID: 19033
           Summary: [MC] Intel syntax assembly parser misparses symbol
                    with immediate offset: [_g0 + 8]
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: MC
          Assignee: unassignedbugs at nondot.org
          Reporter: rnk at google.com
                CC: chad.rosier at gmail.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ cat t.s
.bss
.globl _g0
.text
mov rbx, qword ptr [_g0]
mov rcx, qword ptr [_g0 + 8]

$ llvm-mc t.s -triple x86_64-unknown-unknown -x86-asm-syntax=intel
        .text
        .bss

        .globl  _g0
        .text

        movq    _g0, %rbx
        movq    _g0, %rcx

I'm pretty sure the second load should be at offset 8:
        movq    %rcx, _g0+8

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