[PATCH] S390: Clobber also r14 in TLS_LD, TLS_GD macros on 31bit.

[Stefan Liebler]

On 03/29/2017 11:22 AM, Stefan Liebler wrote:
> Hi,
>
> This patch also clobbers r14 in TLS_LD, TLS_GD macros on 31bit.
> This ensures that r14 isn't used to save and restore r12 while
> r14 is clobbered by the bas-instruction.
>
> As note:
> r12 can't be clobbered as gcc would fail with:
> error: PIC register clobbered by ‘12’ in ‘asm’
>
> For 64bit this fix was already done in 2004 in the
> commit b80af23ac6973e69df6cd23d221fa44fffb21e17.
>
> Bye
> Stefan
>
> ChangeLog:
>
>     * sysdeps/s390/s390-32/tls-macros.h (TLS_LD, TLS_GD):
>     Clobber also r14.

Any objection?
Otherwise, I'll commit it tomorrow.

Bye
Stefan