py/runtime: Optimise to not create temp float for int to power negative.

6 years ago · 1754c71f45
1 changed files with 1 additions and 2 deletions
--- a/py/runtime.c
+++ b/py/runtime.c
@ -456,8 +456,7 @@ mp_obj_t mp_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) {
                case MP_BINARY_OP_INPLACE_POWER:
                    if (rhs_val < 0) {
                        #if MICROPY_PY_BUILTINS_FLOAT
-                        lhs = mp_obj_new_float(lhs_val);
-                        goto generic_binary_op;
+                        return mp_obj_float_binary_op(op, lhs_val, rhs);
                        #else
                        mp_raise_ValueError("negative power with no float support");
                        #endif