From: Daniel Jacobowitz <dan@debian.org>
To: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Cc: Ralf Baechle <ralf@linux-mips.org>,
linux-mips@linux-mips.org, binutils@sources.redhat.com
Subject: Re: Branch bug in gas on MIPS
Date: Wed, 18 Aug 2004 13:48:55 -0400 [thread overview]
Message-ID: <20040818174855.GA23199@nevyn.them.org> (raw)
In-Reply-To: <20040818155819.GJ23756@rembrandt.csv.ica.uni-stuttgart.de>
On Wed, Aug 18, 2004 at 05:58:19PM +0200, Thiemo Seufer wrote:
> Ralf Baechle wrote:
> > Below little test case demonstrates a gas bug that results in swapping
> > of the two branch instructions and use of bogus destination addresses
> > for the first of the two branches.
> >
> > [ralf@lappi tmp]$ cat s.s
> > 1: beqzl $2, 1b
> > beq $4, $5, 1b
> > [ralf@lappi tmp]$ mips-linux-as -mips2 -o s.o s.s
> > [ralf@lappi tmp]$ mips-linux-objdump -d s.o
> >
> > s.o: file format elf32-tradbigmips
> >
> > Disassembly of section .text:
> >
> > 00000000 <.text>:
> > 0: 1085ffff beq a0,a1,0x0
> > 4: 00000000 nop
> > 8: 50400000 beqzl v0,0xc
> > c: 00000000 nop
>
> I applied the appended patch. Daniel, I think this should also go
> in the branch.
OK.
--
Daniel Jacobowitz
prev parent reply other threads:[~2004-08-18 17:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-17 16:01 Branch bug in gas on MIPS Ralf Baechle
2004-08-18 12:30 ` Ralf Baechle
2004-08-18 15:58 ` Thiemo Seufer
2004-08-18 17:48 ` Daniel Jacobowitz [this message]
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