feat: Improve Perf

grain-lang · Dec 17, 2024 · c1a2fc0 · c1a2fc0
1 parent 4934153
commit c1a2fc0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/crates/grain/src/lib.rs b/crates/grain/src/lib.rs
@@ -2490,12 +2490,12 @@ impl Bindgen for FunctionBindgen<'_, '_> {
                 self.push_str(&format!("let mut {} = []\n", result));
                 self.push_str(&format!("Memory.incRef(WasmI32.fromGrain({}))\n", result));
 
-                self.push_str("for (let mut i = ");
+                self.push_str("for (let mut i = WasmI32.(-)(");
                 self.push_str(&len);
-                self.push_str("; WasmI32.gtU(i, 0n); i = WasmI32.(-)(i, 1n)) {\n");
+                self.push_str(", 1n); WasmI32.(!=)(i, -1n); i = WasmI32.(-)(i, 1n)) {\n");
                 self.push_str("let base = WasmI32.(+)(");
                 self.push_str(&base);
-                self.push_str(", WasmI32.(*)(WasmI32.(-)(i, 1n), ");
+                self.push_str(", WasmI32.(*)(i, ");
                 self.push_str(&size.to_string());
                 self.push_str("n))\n");
                 self.push_str(&body);