diff --git a/core/runtime/procs_wasm32.odin b/core/runtime/procs_wasm32.odin
new file mode 100644
index 000000000..dbc0dfcb7
--- /dev/null
+++ b/core/runtime/procs_wasm32.odin
@@ -0,0 +1,7 @@
+//+build wasm32
+package runtime
+
+@(link_name="__ashlti3")
+__ashlti3 :: proc "c" (a: i64, b: i32) -> i64 {
+	return a
+}
\ No newline at end of file
diff --git a/src/checker.cpp b/src/checker.cpp
index 8db9e1bd6..f0f463816 100644
--- a/src/checker.cpp
+++ b/src/checker.cpp
@@ -2011,6 +2011,9 @@ void generate_minimum_dependency_set(Checker *c, Entity *start) {
 		str_lit("gnu_h2f_ieee"),
 		str_lit("gnu_f2h_ieee"),
 		str_lit("extendhfsf2"),
+		
+		// WASM Specific
+		str_lit("__ashlti3"),
 	};
 	for (isize i = 0; i < gb_count_of(required_runtime_entities); i++) {
 		force_add_dependency_entity(c, c->info.runtime_package->scope, required_runtime_entities[i]);
diff --git a/src/llvm_abi.cpp b/src/llvm_abi.cpp
index ad8a45df7..9c7ced91e 100644
--- a/src/llvm_abi.cpp
+++ b/src/llvm_abi.cpp
@@ -1053,6 +1053,11 @@ namespace lbAbiWasm32 {
 	}
 
 	lbArgType non_struct(LLVMContextRef c, LLVMTypeRef type, bool is_return) {
+		if (!is_return && type == LLVMIntTypeInContext(c, 128)) {
+			LLVMTypeRef cast_type = LLVMVectorType(LLVMInt64TypeInContext(c), 2);
+			return lb_arg_type_direct(type, cast_type, nullptr, nullptr);
+		}
+		
 		if (!is_return && lb_sizeof(type) > 8) {
 			return lb_arg_type_indirect(type, nullptr);
 		}
diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp
index 8ddd3360d..75a377e5b 100644
--- a/src/llvm_backend_opt.cpp
+++ b/src/llvm_backend_opt.cpp
@@ -388,6 +388,12 @@ void lb_run_remove_unused_function_pass(LLVMModuleRef mod) {
 			    name == "memcpy") {
 				continue;
 			}
+			if (is_arch_wasm()) {
+				if (name == "__ashlti3") {
+					LLVMSetLinkage(curr_func, LLVMExternalLinkage);
+					continue;
+				}
+			}
 			
 			LLVMLinkage linkage = LLVMGetLinkage(curr_func);