Update s390x.
tree601dce9e059f95d5647f4f189c5acc7a9f4e5a1c
-rw-r--r-- 11 .gitignore
-rw-r--r-- 7457 API_CHANGES
-rw-r--r-- 245 INTERNAL_CHANGES
-rw-r--r-- 4312 Makefile
-rw-r--r-- 1048 README
drwxr-xr-x - doc
drwxr-xr-x - regex_src
drwxr-xr-x - sljit_src
drwxr-xr-x - test_src