1 files changed, 14 insertions, 0 deletions
diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp
index 016858395..25db9a993 100644
--- a/src/wasm/wasm-s-parser.cpp
+++ b/src/wasm/wasm-s-parser.cpp
@@ -2687,6 +2687,20 @@ Expression* SExpressionWasmBuilder::makeArrayLen(Element& s) {
   return Builder(wasm).makeArrayLen(ref);
 }
 
+Expression* SExpressionWasmBuilder::makeArrayCopy(Element& s) {
+  auto destHeapType = parseHeapType(*s[1]);
+  auto srcHeapType = parseHeapType(*s[2]);
+  auto destRef = parseExpression(*s[3]);
+  validateHeapTypeUsingChild(destRef, destHeapType, s);
+  auto destIndex = parseExpression(*s[4]);
+  auto srcRef = parseExpression(*s[5]);
+  validateHeapTypeUsingChild(srcRef, srcHeapType, s);
+  auto srcIndex = parseExpression(*s[6]);
+  auto length = parseExpression(*s[7]);
+  return Builder(wasm).makeArrayCopy(
+    destRef, destIndex, srcRef, srcIndex, length);
+}
+
 Expression* SExpressionWasmBuilder::makeRefAs(Element& s, RefAsOp op) {
   return Builder(wasm).makeRefAs(op, parseExpression(s[1]));
 }