Add 'xo-jit/' from commit '855887df71'

git-subtree-dir: xo-jit
git-subtree-mainline: 35555df976
git-subtree-split: 855887df71

xo-jit/src/jit/intrinsics.cpp

@@ -0,0 +1,20 @@
+/* @file intrinsics.cpp */
+
+#include "intrinsics.hpp"
+
+/* FIXME: don't know how to mangle symbols yet,
+ * so putting functions invoked from jit into global namespace
+ */
+extern "C"
+int32_t
+mul_i32(int32_t x, int32_t y) {
+    return x * y;
+}
+
+extern "C"
+double
+mul_f64(double x, double y) {
+    return x * y;
+}
+
+/* end intrinsics.cpp */