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Date:   Tue, 21 Jun 2011 22:26:30 +0530
From:   "Jayachandran C." <jayachandranc@netlogicmicro.com>
To:     Ralf Baechle <ralf@linux-mips.org>
Cc:     linux-mips@linux-mips.org, binutils@sourceware.org
Subject: Re: XLR Linux/MIPS kernel build error
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References: <20110621144340.GA11931@linux-mips.org>
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On Tue, Jun 21, 2011 at 03:43:40PM +0100, Ralf Baechle wrote:
> I'm getting a build error with gcc 4.6.0 and binutils 2.21:
> 
> [...]
>   AS      arch/mips/kernel/entry.o
>   AS      arch/mips/kernel/genex.o
> /home/ralf/src/linux/upstream-linus/arch/mips/kernel/genex.S: Assembler messages:
> /home/ralf/src/linux/upstream-linus/arch/mips/kernel/genex.S:524: Internal error!
> Assertion failure in append_insn at ../../gas/config/tc-mips.c line 2867.
> Please report this bug.
> make[4]: *** [arch/mips/kernel/genex.o] Error 1
> make[3]: *** [arch/mips/kernel] Error 2
> make[2]: *** [arch/mips] Error 2
> make[1]: *** [sub-make] Error 2
> make: *** [all] Error 2
> make: Leaving directory `/home/ralf/src/linux/obj/nlm_xlr-build'
> 
> Not sure what's blowin up there and I haven't had a chance to try other
> binutils versions yet.  Is this something known?  None of the other MIPS
> kernel defconfigs is encountering this issue.

I have not used this GCC/binutils combination yet.  But I have had success with the
code sourcery toolchain (needs minor patch to add -march=xlr cflags):

gcc version 4.5.2 (Sourcery G++ Lite 2011.03-53) 
GNU ld (Sourcery G++ Lite 2011.03-53) 2.20.51.20100809

JC.