Previous value of @var{register} is saved at offset @var{offset} from
CFA.
+@subsection @code{.cfi_val_offset @var{register}, @var{offset}}
+Previous value of @var{register} is CFA + @var{offset}.
+
@subsection @code{.cfi_rel_offset @var{register}, @var{offset}}
Previous value of @var{register} is saved at offset @var{offset} from
the current CFA register. This is transformed to @code{.cfi_offset}