[Committed] S/390: Fix vector shift count operand

[Marek Polacek]

On Mon, Jul 01, 2019 at 04:58:09PM +0200, Andreas Krebbel wrote:
> We currently use subst definitions to handle the different variants of shift
> count operands. Unfortunately, in the vector shift pattern the shift count
> operand is used directly. Without it being adjusted for the 'subst' variants the
> displacement value is omitted resulting in a wrong shift count being applied.
> 
> This patch needs to be applied to older branches as well.
> 
> Bootstrapped and regression tested on s390x (IBM z14).
> Committed to mainline
> 
> gcc/ChangeLog:
> 
> 2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>
> 
> 	* config/s390/vector.md:

This CL entry is blank.

Marek