diff options
Diffstat (limited to 'py/emitnative.c')
-rw-r--r-- | py/emitnative.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/py/emitnative.c b/py/emitnative.c index e8e3754e17..6e8a37bdea 100644 --- a/py/emitnative.c +++ b/py/emitnative.c @@ -1799,14 +1799,19 @@ STATIC void emit_native_end_finally(emit_t *emit) { emit_post(emit); } -STATIC void emit_native_get_iter(emit_t *emit) { +STATIC void emit_native_get_iter(emit_t *emit, bool use_stack) { // perhaps the difficult one, as we want to rewrite for loops using native code // in cases where we iterate over a Python object, can we use normal runtime calls? vtype_kind_t vtype; emit_pre_pop_reg(emit, &vtype, REG_ARG_1); assert(vtype == VTYPE_PYOBJ); - assert(0); // TODO allocate memory for iter_buf + if (use_stack) { + emit_get_stack_pointer_to_reg_for_push(emit, REG_ARG_2, sizeof(mp_obj_iter_buf_t) / sizeof(mp_obj_t)); + } else { + // mp_getiter will allocate the iter_buf on the heap + ASM_MOV_IMM_TO_REG(emit->as, 0, REG_ARG_2); + } emit_call(emit, MP_F_GETITER); emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET); } @@ -1822,10 +1827,13 @@ STATIC void emit_native_for_iter(emit_t *emit, mp_uint_t label) { emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET); } -STATIC void emit_native_for_iter_end(emit_t *emit) { +STATIC void emit_native_for_iter_end(emit_t *emit, bool use_stack) { // adjust stack counter (we get here from for_iter ending, which popped the value for us) emit_native_pre(emit); adjust_stack(emit, -1); + if (use_stack) { + adjust_stack(emit, -(sizeof(mp_obj_iter_buf_t) / sizeof(mp_obj_t))); + } emit_post(emit); } |