Implement array.fill, array.init_data, and array.init_elem (#5637)

These complement array.copy, which we already supported, as an initial complete
set of bulk array operations. Replace the WIP spec tests with the upstream spec
tests, lightly edited for compatibility with Binaryen.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/wasm-builder.h b/src/wasm-builder.h
index dbddb248b..020badf16 100644
--- a/src/wasm-builder.h
+++ b/src/wasm-builder.h
@@ -991,6 +991,34 @@ public:
     ret->finalize();
     return ret;
   }
+  ArrayFill* makeArrayFill(Expression* ref,
+                           Expression* index,
+                           Expression* value,
+                           Expression* size) {
+    auto* ret = wasm.allocator.alloc<ArrayFill>();
+    ret->ref = ref;
+    ret->index = index;
+    ret->value = value;
+    ret->size = size;
+    ret->finalize();
+    return ret;
+  }
+  ArrayInit* makeArrayInit(ArrayInitOp op,
+                           Name seg,
+                           Expression* ref,
+                           Expression* index,
+                           Expression* offset,
+                           Expression* size) {
+    auto* ret = wasm.allocator.alloc<ArrayInit>();
+    ret->op = op;
+    ret->segment = seg;
+    ret->ref = ref;
+    ret->index = index;
+    ret->offset = offset;
+    ret->size = size;
+    ret->finalize();
+    return ret;
+  }
   RefAs* makeRefAs(RefAsOp op, Expression* value) {
     auto* ret = wasm.allocator.alloc<RefAs>();
     ret->op = op;