Less prose; Update i64 example; More options for asc

tests/compiler/i64-polyfill.ts

@@ -0,0 +1,34 @@
+export {
+  getHi,
+  getLo,
+
+  clz,
+  ctz,
+  popcnt,
+  eqz,
+  add,
+  sub,
+  mul,
+  div_s,
+  div_u,
+  rem_s,
+  rem_u,
+  and,
+  or,
+  xor,
+  shl,
+  shr_s,
+  shr_u,
+  rotl,
+  rotr,
+  eq,
+  ne,
+  lt_s,
+  lt_u,
+  le_s,
+  le_u,
+  gt_s,
+  gt_u,
+  ge_s,
+  ge_u
+} from "../../examples/i64-polyfill/assembly/i64";