UNAPPLIED: [PATCH][FOCAL] UBUNTU: [Config] s390x bump march to z13, with tune to z15

[Dimitri John Ledkov]

Which compiler are you using? Please provide full build log.

No, I do not mean z10.

I mean arch13 or z15 as should be renamed by now
https://www.mail-archive.com/gcc-patches@gcc.gnu.org/msg221632.html

GCC bootstrap in focal is bootstrapped for mtune z15.

ttps://launchpad.net/ubuntu/+source/gcc-9/9.2.1-12ubuntu1


On Tue, 29 Oct 2019, 21:24 Seth Forshee, <seth.forshee at canonical.com> wrote:

> On Tue, Oct 22, 2019 at 03:39:40PM -0500, Seth Forshee wrote:
> > On Tue, Oct 22, 2019 at 02:40:06PM +0100, Dimitri John Ledkov wrote:
> > > BugLink: https://bugs.launchpad.net/bugs/1837525
> > >
> > > Signed-off-by: Dimitri John Ledkov <xnox at ubuntu.com>
> >
> > Applied to unstable/master, thanks!
>
> Seems the compiler (or at least the cross compiler) in focal doesn't
> support -mtune=z15:
>
> s390x-linux-gnu-gcc: error: unrecognized argument in option '-mtune=z15'
> s390x-linux-gnu-gcc: note: valid arguments to '-mtune=' are: arch10 arch11
> arch12 arch13 arch5 arch6 arch7 arch8 arch9 native z10 z13 z14 z196 z9-109
> z9-ec z900 z990 zEC12; did you mean 'z10'?
>
> Seems we need to either put this off until we have compiler support, or
> else tune for a different machine.
>
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