November 2, 2017 3:34 PM
> > > To: Ananyev, Konstantin
> > > Cc: dev@dpdk.org; jianbo@arm.com; guduriprathyu...@gmail.com;
> > > Kantecki, Tomasz
> > > Subject: Re: [dpdk-dev] [PATCH ] examples/l3fwd: fix aliasing in port
> > > grouping
> > >
@arm.com; guduriprathyu...@gmail.com; Kantecki,
> > Tomasz
> > Subject: Re: [dpdk-dev] [PATCH ] examples/l3fwd: fix aliasing in port
> > grouping
> >
> > On Thu, Nov 02, 2017 at 02:46:43PM +, Ananyev, Konstantin wrote:
> > > Hi,
> > Hi
> >
@arm.com; guduriprathyu...@gmail.com; Kantecki,
Tomasz
Subject: Re: [dpdk-dev] [PATCH ] examples/l3fwd: fix aliasing in port grouping
> -Original Message-
> From: Guduri Prathyusha [mailto:gprathyu...@caviumnetworks.com]
> Sent: Thursday, November 2, 2017 3:34 PM
> To: Ananyev
> > Sent: Thursday, November 2, 2017 2:31 PM
> > > To: Kantecki, Tomasz
> > > Cc: jianbo@arm.com; guduriprathyu...@gmail.com; Ananyev, Konstantin
> > > ; dev@dpdk.org; Guduri
> > > Prathyusha
> > > Subject: [dpdk-dev] [PATCH ] examples/l3f
c: jianbo@arm.com; guduriprathyu...@gmail.com; Ananyev, Konstantin
> > ; dev@dpdk.org; Guduri
> > Prathyusha
> > Subject: [dpdk-dev] [PATCH ] examples/l3fwd: fix aliasing in port grouping
> >
> > With -f-strict-aliasing enabled by default from -O2, gcc > 5.x
sha
> Subject: [dpdk-dev] [PATCH ] examples/l3fwd: fix aliasing in port grouping
>
> With -f-strict-aliasing enabled by default from -O2, gcc > 5.x gives
> undefined behavior in port_groupx4. 'pn' and 'pnum' are two different
> pointers pointing to same chu
With -f-strict-aliasing enabled by default from -O2, gcc > 5.x gives
undefined behavior in port_groupx4. 'pn' and 'pnum' are two different
pointers pointing to same chunk of memory and with -f-strict-aliasing the
pointers are assumed to be pointing to different memory and compiler
reorders instruct
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