Re: [PR 2494] PDP-11: Wrong opcode for SEC/CLC

["Sergey Ilyevsky" <silyevsk at gmail dot com>]

Hi All,

Actually I don't have pdp11 as well ;-) .
I'm using the assembler on i686.
With the patch it works fine.
Thanks!

2006/3/31, Jan-Benedict Glaw <jbglaw@lug-owl.de>:
> Hi Sergey, hi list readers!
>
> I was asked to have a look at
> http://sourceware.org/bugzilla/show_bug.cgi?id=2494 .  The bug
> reporter complains about SEC (set carry) being used by his assembler,
> but the final output generates CLC (clear carry.)  This preliminary
> patch should fix it, but it's untested (and I'm not actually a PDP11
> maintainer.)  The new opcode was taken out of my "VAX Architecture
> Reference Manual", EY-3459E-DP, 0-932376-86-X, p. 326 (PDP-11
> Compatibility Mode, Condition Code Operators.)
>
> I actually do not have a PDP-11 (unfortunately:-)  and AFAIK all my
> VAXen are too new and don't come along with hardware PDP-11
> compatibility, nor do I have any PDP-11 software to test this with,
> so Sergey, could you please give it a run?
>
> MfG, JBG
>
> 2006-03-31  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
>
>         opcodes/
>         * pdp11-opc.c (pdp11_opcodes): Correct binary representation of SEC.
>
> diff -Nurp src-binutils-fresh/opcodes/pdp11-opc.c src-binutils-hacked/opcodes/pdp11-opc.c
> --- src-binutils-fresh/opcodes/pdp11-opc.c      2005-05-07 09:34:30.000000000 +0200
> +++ src-binutils-hacked/opcodes/pdp11-opc.c     2006-03-31 10:13:39.000000000 +0200
> @@ -50,7 +50,7 @@ const struct pdp11_opcode pdp11_opcodes[
>    { "cl_e",    0x00ae, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>    { "ccc",     0x00af, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>    { "se_0",    0x00b0, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
> -  { "sec",     0x00a1, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
> +  { "sec",     0x00b1, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>    { "sev",     0x00b2, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>    { "se_3",    0x00b3, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>    { "sez",     0x00b4, 0xffff, PDP11_OPCODE_NO_OPS,    PDP11_BASIC },
>
> --
> Jan-Benedict Glaw       jbglaw@lug-owl.de    . +49-172-7608481             _ O _
> "Eine Freie Meinung in  einem Freien Kopf    | Gegen Zensur | Gegen Krieg  _ _ O
>  für einen Freien Staat voll Freier Bürger"  | im Internet! |   im Irak!   O O O
> ret = do_actions((curr | FREE_SPEECH) & ~(NEW_COPYRIGHT_LAW | DRM | TCPA));
>
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.1 (GNU/Linux)
>
> iD8DBQFELOnxHb1edYOZ4bsRAoZlAJ9fH3nEGqSlNPFHbvmKJnz5ipO2EgCfcqKG
> Yjwlt/IFEXpiv2gtOYZ6sgo=
> =j6z8
> -----END PGP SIGNATURE-----
>
>
>


--
Regards,
Sergey Ilyevsky.