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Date: Fri, 30 Dec 2011 13:53:35 +0100
From: Florian Smeets <flo@freebsd.org>
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To: Ed Schouten <ed@80386.nl>
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Cc: sparc64@freebsd.org, mips@freebsd.org,
	Marius Strobl <marius@alchemy.franken.de>
Subject: Re: [Updated patch] (Finally) migrate MIPS and SPARC64 to
	libcompiler_rt
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On 28.12.2011 10:18, Ed Schouten wrote:
> Hi Marius,
> 
> * Marius Strobl <marius@alchemy.franken.de>, 20111228 01:07:
>> Before making libcompiler_rt the default for sparc64 could you 
>> please also look into adding the optimized versions of _divsi3 
>> and _modsi3 (see contrib/gcc/config/sparc/lb1spc.asm) to 
>> libcompiler_rt? They're taken from/based on the SPARC V8 
>> Architecture Manual and IIRC I once compared them and there 
>> actually was little difference so there should be no licensing 
>> issues.
> 
> Just to make sure we don't get into license problems, I copied the
>  code from the architecture manual and regenerated the assembly 
> files. I compared them against the ones used by GCC and they should
> work.
> 
> Please forget the previous patch I sent and use the one attached. 
> If the attachment is missing, you can download the patch here:
> 
> http://80386.nl/pub/compiler-rt.txt
> 
> The code isn't that beautiful yet, but I'll clean it up before I 
> send it to the compiler-rt folks.
> 

Ed,

at least on sparc64 the resulting toolchain is broken. I cannot even
compile a simple c file.

http://tb.smeets.im/~flo/sparc64-cc-crash.txt

Anything i can provide for analysis?

Florian
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