Re: [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA.

[Aurelien Jarno]

On Mon, Jan 31, 2011 at 10:35:30AM +0100, Christophe Lyon wrote:
> On 31.01.2011 09:20, Aurelien Jarno wrote:
> > On Fri, Jan 28, 2011 at 04:50:59PM +0100, address@hidden wrote:
> >> From: Christophe Lyon <address@hidden>
> >>
> >> Handle corner cases where the addition of the rounding constant could
> >> cause overflows.
> > 
> > After applying this patch, I get the following gcc warning:
> >   CC    translate.o
> > cc1: warnings being treated as errors
> > qemu/target-arm/translate.c: In function ‘disas_neon_data_insn’:
> > qemu/target-arm/translate.c:4212: error: ‘imm’ may be used uninitialized in 
> > this function
> > make: *** [translate.o] Error 1
> > 
> 
> Which GCC version are you using? I don't have such a warning (using GCC-4.5.1 
> on x86_64).
> 

I get this error with GCC 4.3.5, GCC 4.4.5, GCC 4.5.2 and GCC 4.6.0 
(r169270). This is also on x86_64.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net