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Re: [Qemu-devel] [Qemu-trivial] [PATCH 2/3] int128.h: Avoid undefined be
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [Qemu-trivial] [PATCH 2/3] int128.h: Avoid undefined behaviours involving signed arithmetic |
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Date: |
Mon, 7 Apr 2014 15:47:49 +0100 |
On 7 April 2014 15:25, Richard Henderson <address@hidden> wrote:
> On 04/06/2014 08:27 AM, Peter Maydell wrote:
>> (if C compilers had a "behave
>> like a sane 2s complement system for signed arithmetic"
>> option I'd be advocating for us using it...)
>
> -fwrapv.
Well, we should use that then :-)
thanks
-- PMM
Re: [Qemu-devel] [Qemu-trivial] [PATCH 2/3] int128.h: Avoid undefined behaviours involving signed arithmetic, Avi Kivity, 2014/04/07