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target/m68k: correctly disassemble move16

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"move16 %a0@+,%a1@" and "fmovel (cpid=3) %a0@-,%fpcr"
share the same opcode.

To fix that, backport the fix from binutils:

  2005-11-10  Andreas Schwab  <schwab@suse.de>

     * m68k-dis.c (print_insn_m68k): Only match FPU insns with
     coprocessor ID 1.

Reported-by: Thomas Huth <huth@tuxfamily.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20180625203559.21370-2-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-06-25 22:35:59 +02:00
parent 281bd28122
commit d9345f1e1b
1 changed files with 14 additions and 0 deletions
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14
disas/m68k.c
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@ -2017,6 +2017,20 @@ print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
}
}
/* Don't match FPU insns with non-default coprocessor ID. */
if (*d == '\0')
{
for (d = opc->args; *d; d += 2)
{
if (d[0] == 'I')
{
val = fetch_arg (buffer, 'd', 3, info);
if (val != 1)
break;
}
}
}
if (*d == '\0')
if ((val = match_insn_m68k (memaddr, info, opc, & priv)))
return val;