arm64: enable test cases for
srhadd, urhadd (vector)
suqadd, usqadd (scalar)
suqadd, usqadd (vector)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14303 a5019735-40e9-0310-863c-91ae7b9d1cf9
Remove a few unused macro definitions.
Move exported global variables to the proper section
in the header file.
No functional change.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14306 a5019735-40e9-0310-863c-91ae7b9d1cf9