> > On Mon, 20 Jul 2020 12:54:08 +0000, Fady Bader wrote:
> > [snip]
> > > > Getting the same error with a setup similar to Dmitry's. My setup:
> > > > SDK 10.0.18362,
> > >
> > > I'm sending v4 patch that should resolve this.
> > >
> > > > clang 9.0.0. What version of clang are you using on your system?
> > > > You can try installing LLVM 9.0.0 from
> > > > https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> > > > re
> > > > leases.ll
> > > >
> >
> vm.org%2Fdownload.html&data=02%7C01%7Cfady%40mellanox.com%7C0b
> > > >
> >
> 29fed755494b55361d08d82a9ff2b4%7Ca652971c7d2e4d9ba6a4d149256f461b%7C
> > > > 0
> > > >
> >
> %7C0%7C637306213753996879&sdata=5lPQtvt8EO7q8OAYN60J8rIdYdNJHjsS
> > > > Pp%2B6P9PL3N0%3D&reserved=0
> > >
> > > Thanks for the link, even with clang and SDK version same as yours
> > > and Dmitry's I'm still passing compilation and not getting the error
> > > described.
> > > That's because the _m_prefetchw function that is defined in Clang's
> > > prfchwintrin.h is an intrinsic function corresponding to the
> > > instruction PREFETCHW that is part of the instruction set extension
> > > 3DNOW, my processor doesn't support this instruction set extension,
> > > so my
> > compiler isn't reaching the part where it defines _m_prefetchw.
> > > I think your processor does support the 3DNOW instruction set
> > > extension and that why you are reaching this part and I'm not.
> >
> > You can try building DPDK for a machine with RDSEED like so:
> >
> > meson -Dmachine=broadwell -Dexamples=helloworld build
>
> Even with this option I still don't get the error. With this option RDSEED is
> enabled
> but the reason I'm not getting the error is that 3DNOW is not supported by my
> machine and its disabled.
> Do you know of such way that I can enable instruction set extenuations for the
> project compilation?
>
Sorry my bad, with the option -Dmachine=Broadwell I do get the error.
Thanks,
Fady
