Initial commit.

tests/popcnt-3.ispc

@@ -0,0 +1,11 @@
+
+export uniform int width() { return programCount; }
+
+
+
+export void f_f(uniform float RET[4], uniform float aFOO[]) {
+    float a = aFOO[programIndex];
+    RET[programIndex] = popcnt(a < 3);
+}
+
+export void result(uniform float RET[]) { RET[programIndex] = 2; }