Support four arguments on x86 architecture.
tree4b5d514e598a7fff7fbe07d1b5332971fc3c4a90
-rw-r--r-- 4439 API_CHANGES
-rw-r--r-- 245 INTERNAL_CHANGES
-rw-r--r-- 2384 Makefile
-rw-r--r-- 943 README
drwxr-xr-x - doc
drwxr-xr-x - regex_src
drwxr-xr-x - sljit_src
drwxr-xr-x - test_src