hg: jdk/submit: 8222825: ARM32 SIGILL issue on single core CPU (not supported PLDW instruction)

[david.holmes at oracle.com]

Changeset: 278600885731
Author:    bulasevich
Date:      2019-05-16 18:45 -0400
URL:       http://hg.openjdk.java.net/jdk/submit/rev/278600885731

8222825: ARM32 SIGILL issue on single core CPU (not supported PLDW instruction)
Reviewed-by: dholmes, dlong

! src/hotspot/cpu/arm/arm.ad
! src/hotspot/cpu/arm/assembler_arm_32.hpp
! src/hotspot/cpu/arm/vm_version_arm.hpp
! src/hotspot/cpu/arm/vm_version_arm_32.cpp
! src/hotspot/os_cpu/linux_arm/os_linux_arm.cpp