[ia64] regularize do_gpregs_[gs]et()

now access_elf_reg() does the right thing for everything other than
r0, we can simplify do_grepgs_[gs]et()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-06-06 18:00:56 -04:00
commit a79ca8e7b9