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Re: [Qemu-devel] undefined behavior of signed left shifts (was Re: [PULL
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] undefined behavior of signed left shifts (was Re: [PULL 00/40] ppc patch queue 2015-06-03) |
Date: |
Fri, 5 Jun 2015 18:33:24 +0100 |
On 5 June 2015 at 16:55, Paolo Bonzini <address@hidden> wrote:
> The GCC manual says "GCC does not use the latitude given in C99 and C11
> only to treat certain aspects of signed '<<' as undefined, but this is
> subject to change". It would certainly be nice if they removed the
> "this is subject to change" part.
Does clang provide a similar guarantee? I couldn't find one in
a quick scan through the docs, but I might be looking in the
wrong place.
thanks
-- PMM
- [Qemu-devel] [PULL 20/40] spapr_drc: initial implementation of sPAPRDRConnector device, (continued)
- [Qemu-devel] [PULL 20/40] spapr_drc: initial implementation of sPAPRDRConnector device, Alexander Graf, 2015/06/03
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Peter Maydell, 2015/06/04
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Peter Maydell, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Paolo Bonzini, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Peter Maydell, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Paolo Bonzini, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Peter Maydell, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Paolo Bonzini, 2015/06/05
- Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Peter Maydell, 2015/06/05
- [Qemu-devel] undefined behavior of signed left shifts (was Re: [PULL 00/40] ppc patch queue 2015-06-03), Paolo Bonzini, 2015/06/05
- Re: [Qemu-devel] undefined behavior of signed left shifts (was Re: [PULL 00/40] ppc patch queue 2015-06-03),
Peter Maydell <=
- Re: [Qemu-devel] undefined behavior of signed left shifts (was Re: [PULL 00/40] ppc patch queue 2015-06-03), Joseph Myers, 2015/06/05
Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03, Eric Blake, 2015/06/05