diff --git a/source/quickjs-opcode.h b/source/quickjs-opcode.h
index 13479376..1bb4ff71 100644
--- a/source/quickjs-opcode.h
+++ b/source/quickjs-opcode.h
@@ -207,10 +207,14 @@ DEF(         delete, 1, 2, 1, none)
 DEF(     delete_var, 5, 0, 1, atom)
 
 DEF(            mul, 1, 2, 1, none)
+DEF(      mul_float, 1, 2, 1, none)
 DEF(            div, 1, 2, 1, none)
+DEF(      div_float, 1, 2, 1, none)
 DEF(            mod, 1, 2, 1, none)
 DEF(            add, 1, 2, 1, none)
+DEF(      add_float, 1, 2, 1, none)
 DEF(            sub, 1, 2, 1, none)
+DEF(      sub_float, 1, 2, 1, none)
 DEF(            pow, 1, 2, 1, none)
 DEF(            shl, 1, 2, 1, none)
 DEF(            sar, 1, 2, 1, none)
diff --git a/source/quickjs.c b/source/quickjs.c
index a7c433de..4b4bd0e5 100644
--- a/source/quickjs.c
+++ b/source/quickjs.c
@@ -13049,6 +13049,13 @@ static JSValue JS_CallInternal_OLD(JSContext *caller_ctx, JSValueConst func_obj,
 #define CASE(op)        case op
 #define DEFAULT         default
 #define BREAK           break
+#define SWITCH_OPCODE(new_op, target_label) do { \
+    const uint8_t *instr_ptr = pc-1; \
+    uint8_t *bc = (uint8_t *)b->byte_code_buf; \
+    size_t instr_idx = instr_ptr - b->byte_code_buf; \
+    bc[instr_idx] = new_op; \
+    goto target_label; \
+} while(0)
 #else
     static const void * const dispatch_table[256] = {
 #define DEF(id, size, n_pop, n_push, f) && case_OP_ ## id,