hg: jdk/submit12: 8215547: ZGC: Fix incorrect match rule for loadBarrierWeakSlowRegNoVec

[per.liden at oracle.com]

Changeset: 026842c1809f
Author:    pliden
Date:      2018-12-20 11:43 +0100
URL:       http://hg.openjdk.java.net/jdk/submit12/rev/026842c1809f

8215547: ZGC: Fix incorrect match rule for loadBarrierWeakSlowRegNoVec
Reviewed-by: eosterlund, neliasso

! src/hotspot/cpu/x86/x86_64.ad
+ src/hotspot/os_cpu/linux_x86/gc/z/zArguments_linux_x86.cpp
! src/hotspot/share/gc/z/zArguments.cpp
! src/hotspot/share/gc/z/zArguments.hpp