[U-Boot] U-Boot, efi-x86_app and gcc-8.1?

[U-Boot] U-Boot, efi-x86_app and gcc-8.1?

[Tom Rini]

Hey guys,

Looking at https://travis-ci.org/trini/u-boot/jobs/534037240 this is the
only board that doesn't build (having switched ARM to gcc-8.3 from
Arm/Linaro) and the error is pretty odd.  Do you have any idea what's
going on?  Thanks!

-- 
Tom
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[U-Boot] U-Boot, efi-x86_app and gcc-8.1?

[Simon Glass]

Hi Tom,

On Sat, 18 May 2019 at 06:13, Tom Rini <trini@konsulko.com> wrote:
>
> Hey guys,
>
> Looking at https://travis-ci.org/trini/u-boot/jobs/534037240 this is the
> only board that doesn't build (having switched ARM to gcc-8.3 from
> Arm/Linaro) and the error is pretty odd.  Do you have any idea what's
> going on?  Thanks!

I wonder if the assembler output of image.c would give any clues? I'm
assuming it isn't a toolchain bug.

Regards,
Simon

[U-Boot] U-Boot, efi-x86_app and gcc-8.1?

[Bin Meng]

Hi Tom,

On Sun, May 19, 2019 at 12:07 AM Simon Glass <sjg@chromium.org> wrote:
>
> Hi Tom,
>
> On Sat, 18 May 2019 at 06:13, Tom Rini <trini@konsulko.com> wrote:
> >
> > Hey guys,
> >
> > Looking at https://travis-ci.org/trini/u-boot/jobs/534037240 this is the
> > only board that doesn't build (having switched ARM to gcc-8.3 from
> > Arm/Linaro) and the error is pretty odd.  Do you have any idea what's
> > going on?  Thanks!
>
> I wonder if the assembler output of image.c would give any clues? I'm
> assuming it isn't a toolchain bug.

I've analysed this before, and it is a gcc regression.
See my bug report @ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87793

The bug is fixed in gcc 8.3 and 9.0.

Regards,
Bin

[U-Boot] U-Boot, efi-x86_app and gcc-8.1?

[Tom Rini]

On Sun, May 19, 2019 at 08:55:53AM +0800, Bin Meng wrote:
> Hi Tom,
> 
> On Sun, May 19, 2019 at 12:07 AM Simon Glass <sjg@chromium.org> wrote:
> >
> > Hi Tom,
> >
> > On Sat, 18 May 2019 at 06:13, Tom Rini <trini@konsulko.com> wrote:
> > >
> > > Hey guys,
> > >
> > > Looking at https://travis-ci.org/trini/u-boot/jobs/534037240 this is the
> > > only board that doesn't build (having switched ARM to gcc-8.3 from
> > > Arm/Linaro) and the error is pretty odd.  Do you have any idea what's
> > > going on?  Thanks!
> >
> > I wonder if the assembler output of image.c would give any clues? I'm
> > assuming it isn't a toolchain bug.
> 
> I've analysed this before, and it is a gcc regression.
> See my bug report @ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87793
> 
> The bug is fixed in gcc 8.3 and 9.0.

Ugh.  And gcc-8.2 from Bootlin has the problem too (along with being not
relocatable).  Thanks!

-- 
Tom
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