| Message ID | 20180625203559.21370-2-laurent@vivier.eu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Am Mon, 25 Jun 2018 22:35:59 +0200 schrieb Laurent Vivier <laurent@vivier.eu>: > "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> > --- > disas/m68k.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) Thank you very much, Laurent, this indeed fixes the problem for me! Tested-by: Thomas Huth <huth@tuxfamily.org>
diff --git a/disas/m68k.c b/disas/m68k.c index 61b689ef3e..a687df437c 100644 --- a/disas/m68k.c +++ b/disas/m68k.c @@ -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;
"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> --- disas/m68k.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)