Modified README.md to add HiPE notes

README.md

@@ -1,6 +1,6 @@
 # tinymt-erlang: Tiny Mersenne Twister (TinyMT) for Erlang
 
-* Release date: 1-JUN-2012
+* Release date: 2-JUL-2012
 * Edited and written by Kenji Rikitake (Kyoto University)
 * Email contact: <kenji.rikitake@acm.org>
 
@@ -33,6 +33,10 @@ by Mutsuo Saito (Hiroshima University) and Makoto Matsumoto (The University of T
   which exceeded the limit of 2^32.  This has been fixed by the
   corresponding 32-bit value.
 
+* `tinymt32_nif.erl` and `tinymt32_nif_tests.erl` will cause compilation errors
+  when building with HiPE options in `rebar.config`; move the source files
+  out of the `src/` directory when testing HiPE.
+
 ## Tested platforms
 
 * FreeBSD/amd64 9.0-STABLE with Erlang/OTP R15B01