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    SubjectRe: fs/binfmt_aout.o, Error: suffix or operands invalid for `cmp' [was Re: 2.6.1
    > Andrew Morton wrote:
    In-Reply-To: <4499BDB4.6060503@zytor.com>

    On Wed, 21 Jun 2006 14:44:20 -0700, H. Peter Anvin wrote:

    > Andrew Morton wrote:
    > > On Wed, 21 Jun 2006 23:16:17 +0200
    > > Mattia Dongili <malattia@linux.it> wrote:
    > >
    > >> On Wed, Jun 21, 2006 at 01:42:15PM -0700, Andrew Morton wrote:
    > >>> On Wed, 21 Jun 2006 21:39:32 +0200
    > >>> Mattia Dongili <malattia@linux.it> wrote:
    > >>>
    > >>>> Thanks, this is fixed, but I have a new failure:
    > >>>> CC [M] fs/xfs/support/move.o
    > >>>> CC [M] fs/xfs/support/uuid.o
    > >>>> LD [M] fs/xfs/xfs.o
    > >>>> CC fs/dnotify.o
    > >>>> CC fs/dcookies.o
    > >>>> LD fs/built-in.o
    > >>>> CC [M] fs/binfmt_aout.o
    > >>>> {standard input}: Assembler messages:
    > >>>> {standard input}:160: Error: suffix or operands invalid for `cmp'
    > >>>> make[1]: *** [fs/binfmt_aout.o] Error 1
    > >>>> make: *** [fs] Error 2
    > >>> what the heck? Can you do `make fs/binfmt_aout.s' then send the relevant
    > >>> parts of that file?
    > >> I can't really tell which is the relevant part other than line 160 :)
    > >> Full file available here:
    > >> http://oioio.altervista.org/linux/binfmt_aout.s
    > >>
    > >
    > > It's complaining about this:
    > >
    > > #APP
    > > addl %ecx,%eax ; sbbl %edx,%edx; cmpl %eax,$-1073741824; sbbl $0,%edx # dump.u_dsize, sum, flag,
    > > #NO_APP
    >
    > The cmpl should have its arguments reversed. It's quite possible some versions of the
    > assembler accepts the form given, but they're wrong (and doubly confusing when used as
    > input to sbb.)

    This was built with gcc 4.0.4 20060507 (prerelease).

    I don't normally build a.out support, but I just tried and it compiled
    fine with gcc 4.1.1. SO this is probably a compiler bug (almost certainly
    given that it generated illegal assembler code.)

    --
    Chuck
    "You can't read a newspaper if you can't read." --George W. Bush
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