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Editing: unop.js

import * as i32 from "../../runtime/values/i32";
import * as i64 from "../../runtime/values/i64";
import * as f32 from "../../runtime/values/f32";
import * as f64 from "../../runtime/values/f64"; // https://webassembly.github.io/spec/core/exec/instructions.html#exec-binop

function unop(_ref, operation, createValue) {
  var value = _ref.value;

switch (operation) {
    case "abs":
      return createValue(value.abs());

case "neg":
      return createValue(value.neg());

case "clz":
      return createValue(value.clz());

case "ctz":
      return createValue(value.ctz());

case "popcnt":
      return createValue(value.popcnt());

case "eqz":
      return i32.createValue(value.eqz());

case "reinterpret/f32":
      return i32.createValue(value.reinterpret());

case "reinterpret/f64":
      return i64.createValue(value.reinterpret());
  }

throw new Error("Unsupported unop: " + operation);
}

export function unopi32(c, operation) {
  return unop(c, operation, i32.createValue);
}
export function unopi64(c, operation) {
  return unop(c, operation, i64.createValue);
}
export function unopf32(c, operation) {
  return unop(c, operation, f32.createValue);
}
export function unopf64(c, operation) {
  return unop(c, operation, f64.createValue);
}

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