target/xtensa: get rid of gen_callw[i]

Merge gen_callwi and gen_callw into their only users, translate_callw
and translate_callxw. Extract jump slot adjustment logic into a separate
function and use it in gen_jumpi and translate_callw.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
1 file changed