2 files changed, 24 insertions, 0 deletions
diff --git a/src/op/CMakeLists.txt b/src/op/CMakeLists.txt
index d537327..15c28f3 100644
--- a/src/op/CMakeLists.txt
+++ b/src/op/CMakeLists.txt
@@ -28,6 +28,7 @@ target_sources(${PROJECT_NAME} PRIVATE
     i32_mul.c
     i32_ne.c
     i32_or.c
+    i32_shl.c
     i32_store.c
     i32_store8.c
     i32_sub.c
diff --git a/src/op/i32_shl.c b/src/op/i32_shl.c
new file mode 100644
index 0000000..7121c6a
--- /dev/null
+++ b/src/op/i32_shl.c
@@ -0,0 +1,23 @@
+/*
+ * nanowasm, a tiny WebAssembly/Wasm interpreter
+ * Copyright (C) 2023-2025  Xavier Del Campo Romero
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <nanowasm/nw.h>
+#include <nw/routines.h>
+
+static int shl(const struct nw_i_sm_arithm_out *const o,
+    union nw_value *const res)
+{
+    res->i32 = (unsigned long)o->left.i32 << (unsigned long)o->right.i32;
+    return 0;
+}
+
+void nwp_op_i32_shl(struct nw_interp *const i)
+{
+    nwp_arithm(i, NW_TYPE_I32, shl);
+}