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Message
From: Matjaz Breskvar <phoenix@o...>
Date: Mon, 24 Nov 2003 17:39:57 +0100
Subject: [openrisc] gcc 'long long'
* Scott Furman (sfurman@r...) wrote:
> >Yes, there were reports of problems compiling eCos with -O2 optimizations
> >on opencores gcc-3.2.3 compiler. i think going to -O solved it. (it in the
> >archives a few months ago)
> >
> I encountered bugs with both long long and (soft) double floating point
> support using gcc 3.1 and have made some fixes to the compiler to solve
> these problems. I haven't submitted my patches because my changes
> modify the ABI, rendering object files incompatible with code compiled
> by the unmodified compiler. (The calling convention I use is more
> efficient than the existing 3.1 version: 64-bit values (long longs and
> doubles) are passed by value in registers rather than as references.)
>
> Is anyone actively maintaining the gcc versions ? I could share my
> changes if we were willing to tolerate an ABI change.
This is from email some time ago...
There's been no objections against ABI change regarding 'long long' in
gcc. Since Scott's implementation is also more efficient i think we should
merge it (it doesn't work now anyway).
Scott can you please post the patch or even better just commit it to cvs ?
regards,
p.
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