Remove obsolete emitthumb.c (now use emitnative.c).

1 files changed, 0 insertions, 778 deletions

diff --git a/py/emitthumb.c b/py/emitthumb.c
deleted file mode 100644
index ef79854eba..0000000000
--- a/py/emitthumb.c
+++ /dev/null
@@ -1,778 +0,0 @@
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-#include "misc.h"
-#include "mpyconfig.h"
-#include "lexer.h"
-#include "parse.h"
-#include "scope.h"
-#include "runtime.h"
-#include "emit.h"
-#include "asmthumb.h"
-
-#if MICROPY_EMIT_THUMB
-
-#define REG_LOCAL_1 (REG_R4)
-#define REG_LOCAL_2 (REG_R5)
-#define REG_LOCAL_3 (REG_R6)
-#define REG_TEMP    (REG_R7)
-#define REG_LOCAL_NUM (3)
-
-typedef enum {
-    NEED_TO_PUSH_NOTHING,
-    NEED_TO_PUSH_REG,
-    NEED_TO_PUSH_I32,
-} need_to_push_t;
-
-struct _emit_t {
-    int pass;
-    int stack_start;
-    int stack_size;
-    bool last_emit_was_return_value;
-    need_to_push_t need_to_push;
-    int last_reg;
-    int32_t last_i32;
-
-    scope_t *scope;
-
-    asm_thumb_t *as;
-    bool do_native_types;
-};
-
-emit_t *emit_thumb_new(uint max_num_labels) {
-    emit_t *emit = m_new(emit_t, 1);
-    emit->as = asm_thumb_new(max_num_labels);
-    emit->do_native_types = false;
-    return emit;
-}
-
-static void emit_thumb_set_native_types(emit_t *emit, bool do_native_types) {
-    emit->do_native_types = do_native_types;
-}
-
-static void emit_thumb_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
-    emit->pass = pass;
-    emit->stack_start = 0;
-    emit->stack_size = 0;
-    emit->last_emit_was_return_value = false;
-    emit->need_to_push = NEED_TO_PUSH_NOTHING;
-    emit->scope = scope;
-
-    asm_thumb_start_pass(emit->as, pass);
-
-    // entry to function
-    int num_locals = 0;
-    if (pass > PASS_1) {
-        num_locals = scope->num_locals - REG_LOCAL_NUM;
-        if (num_locals < 0) {
-            num_locals = 0;
-        }
-        emit->stack_start = num_locals;
-        num_locals += scope->stack_size;
-    }
-    asm_thumb_entry(emit->as, num_locals);
-
-    // initialise locals from parameters
-    for (int i = 0; i < scope->num_params; i++) {
-        if (i == 0) {
-            asm_thumb_mov_reg_reg(emit->as, REG_LOCAL_1, REG_ARG_1);
-        } else if (i == 1) {
-            asm_thumb_mov_reg_reg(emit->as, REG_LOCAL_2, REG_ARG_2);
-        } else if (i == 2) {
-            asm_thumb_mov_reg_reg(emit->as, REG_LOCAL_3, REG_ARG_3);
-        } else if (i == 3) {
-            asm_thumb_mov_local_reg(emit->as, i - REG_LOCAL_NUM, REG_ARG_4);
-        } else {
-            // TODO not implemented
-            assert(0);
-        }
-    }
-
-    asm_thumb_mov_reg_i32(emit->as, REG_R7, (machine_uint_t)rt_fun_table);
-}
-
-static void emit_thumb_end_pass(emit_t *emit) {
-    if (!emit->last_emit_was_return_value) {
-        asm_thumb_exit(emit->as);
-    }
-    asm_thumb_end_pass(emit->as);
-
-    // check stack is back to zero size
-    if (emit->stack_size != 0) {
-        printf("ERROR: stack size not back to zero; got %d\n", emit->stack_size);
-    }
-
-    if (emit->pass == PASS_3) {
-        py_fun_t f = asm_thumb_get_code(emit->as);
-        rt_assign_native_code(emit->scope->unique_code_id, f, asm_thumb_get_code_size(emit->as), emit->scope->num_params);
-    }
-}
-
-static bool emit_thumb_last_emit_was_return_value(emit_t *emit) {
-    return emit->last_emit_was_return_value;
-}
-
-static int emit_thumb_get_stack_size(emit_t *emit) {
-    return emit->stack_size;
-}
-
-static void emit_thumb_set_stack_size(emit_t *emit, int size) {
-    emit->stack_size = size;
-}
-
-static void adjust_stack(emit_t *emit, int stack_size_delta) {
-    emit->stack_size += stack_size_delta;
-    assert(emit->stack_size >= 0);
-    if (emit->pass > PASS_1 && emit->stack_size > emit->scope->stack_size) {
-        emit->scope->stack_size = emit->stack_size;
-    }
-}
-
-static void stack_settle(emit_t *emit) {
-    switch (emit->need_to_push) {
-        case NEED_TO_PUSH_NOTHING:
-            break;
-
-        case NEED_TO_PUSH_REG:
-            asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size, emit->last_reg);
-            adjust_stack(emit, 1);
-            break;
-
-        case NEED_TO_PUSH_I32:
-            asm_thumb_mov_reg_i32_optimised(emit->as, REG_R0, emit->last_i32);
-            asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size, REG_R0);
-            adjust_stack(emit, 1);
-            break;
-    }
-    emit->need_to_push = NEED_TO_PUSH_NOTHING;
-}
-
-static void emit_pre_raw(emit_t *emit, int stack_size_delta) {
-    adjust_stack(emit, stack_size_delta);
-    emit->last_emit_was_return_value = false;
-}
-
-static void emit_pre(emit_t *emit) {
-    stack_settle(emit);
-    emit_pre_raw(emit, 0);
-}
-
-static void emit_pre_pop_reg(emit_t *emit, int reg_dest) {
-    switch (emit->need_to_push) {
-        case NEED_TO_PUSH_NOTHING:
-            asm_thumb_mov_reg_local(emit->as, reg_dest, emit->stack_start + emit->stack_size - 1);
-            emit_pre_raw(emit, -1);
-            break;
-
-        case NEED_TO_PUSH_REG:
-            emit_pre_raw(emit, 0);
-            if (emit->last_reg != reg_dest) {
-                asm_thumb_mov_reg_reg(emit->as, reg_dest, emit->last_reg);
-            }
-            break;
-
-        case NEED_TO_PUSH_I32:
-            emit_pre_raw(emit, 0);
-            asm_thumb_mov_reg_i32_optimised(emit->as, reg_dest, emit->last_i32);
-            break;
-    }
-    emit->need_to_push = NEED_TO_PUSH_NOTHING;
-}
-
-static void emit_pre_pop_reg_reg(emit_t *emit, int rega, int regb) {
-    emit_pre_pop_reg(emit, rega);
-    asm_thumb_mov_reg_local(emit->as, regb, emit->stack_start + emit->stack_size - 1);
-    adjust_stack(emit, -1);
-}
-
-static void emit_pre_pop_reg_reg_reg(emit_t *emit, int rega, int regb, int regc) {
-    emit_pre_pop_reg(emit, rega);
-    asm_thumb_mov_reg_local(emit->as, regb, emit->stack_start + emit->stack_size - 1);
-    asm_thumb_mov_reg_local(emit->as, regc, emit->stack_start + emit->stack_size - 2);
-    adjust_stack(emit, -2);
-}
-
-static void emit_post(emit_t *emit) {
-}
-
-static void emit_post_push_reg(emit_t *emit, int reg) {
-    emit->need_to_push = NEED_TO_PUSH_REG;
-    emit->last_reg = reg;
-}
-
-static void emit_post_push_i32(emit_t *emit, int32_t i32) {
-    emit->need_to_push = NEED_TO_PUSH_I32;
-    emit->last_i32 = i32;
-}
-
-static void emit_post_push_reg_reg(emit_t *emit, int rega, int regb) {
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size, rega);
-    emit->need_to_push = NEED_TO_PUSH_REG;
-    emit->last_reg = regb;
-    adjust_stack(emit, 1);
-}
-
-static void emit_post_push_reg_reg_reg(emit_t *emit, int rega, int regb, int regc) {
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size, rega);
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size + 1, regb);
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size + 2, regc);
-    adjust_stack(emit, 3);
-}
-
-static void emit_post_push_reg_reg_reg_reg(emit_t *emit, int rega, int regb, int regc, int regd) {
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size, rega);
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size + 1, regb);
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size + 2, regc);
-    asm_thumb_mov_local_reg(emit->as, emit->stack_start + emit->stack_size + 3, regd);
-    adjust_stack(emit, 4);
-}
-
-static void emit_get_stack_pointer_to_reg_for_pop(emit_t *emit, int reg_dest, int n_pop) {
-    asm_thumb_mov_reg_local_addr(emit->as, reg_dest, emit->stack_start + emit->stack_size - 1);
-    adjust_stack(emit, -n_pop);
-}
-
-static void emit_get_stack_pointer_to_reg_for_push(emit_t *emit, int reg_dest, int n_push) {
-    asm_thumb_mov_reg_local_addr(emit->as, reg_dest, emit->stack_start + emit->stack_size + n_push - 1);
-    adjust_stack(emit, n_push);
-}
-
-static void emit_call(emit_t *emit, rt_fun_kind_t fun_kind) {
-    asm_thumb_bl_ind(emit->as, rt_fun_table[fun_kind], fun_kind, REG_R3);
-}
-
-static void emit_call_with_i32_arg(emit_t *emit, rt_fun_kind_t fun_kind, int32_t arg_val, int arg_reg) {
-    asm_thumb_mov_reg_i32_optimised(emit->as, arg_reg, arg_val);
-    asm_thumb_bl_ind(emit->as, rt_fun_table[fun_kind], fun_kind, REG_R3);
-}
-
-static void emit_thumb_load_id(emit_t *emit, qstr qstr) {
-    emit_common_load_id(emit, &emit_thumb_method_table, emit->scope, qstr);
-}
-
-static void emit_thumb_store_id(emit_t *emit, qstr qstr) {
-    emit_common_store_id(emit, &emit_thumb_method_table, emit->scope, qstr);
-}
-
-static void emit_thumb_delete_id(emit_t *emit, qstr qstr) {
-    emit_common_delete_id(emit, &emit_thumb_method_table, emit->scope, qstr);
-}
-
-static void emit_thumb_label_assign(emit_t *emit, int l) {
-    asm_thumb_label_assign(emit->as, l);
-}
-
-static void emit_thumb_import_name(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_import_from(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_import_star(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_load_const_tok(emit_t *emit, py_token_kind_t tok) {
-    emit_pre(emit);
-    py_obj_t o;
-    switch (tok) {
-        case PY_TOKEN_KW_NONE: o = py_const_none; break;
-        case PY_TOKEN_KW_FALSE: o = py_const_false; break;
-        case PY_TOKEN_KW_TRUE: o = py_const_true; break;
-        default: assert(0); o = 0; // shouldn't happen
-    }
-    emit_post_push_i32(emit, (machine_uint_t)o);
-}
-
-static void emit_thumb_load_const_small_int(emit_t *emit, int arg) {
-    emit_pre(emit);
-    if (emit->do_native_types) {
-        emit_post_push_i32(emit, arg);
-    } else {
-        emit_post_push_i32(emit, (arg << 1) | 1);
-    }
-}
-
-static void emit_thumb_load_const_int(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_load_const_dec(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_load_const_id(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-
-static void emit_thumb_load_const_str(emit_t *emit, qstr qstr, bool bytes) {
-    emit_pre(emit);
-    emit_call_with_i32_arg(emit, RT_F_LOAD_CONST_STR, qstr, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_load_const_verbatim_start(emit_t *emit) {
-    assert(0);
-}
-static void emit_thumb_load_const_verbatim_int(emit_t *emit, int val) {
-    assert(0);
-}
-static void emit_thumb_load_const_verbatim_str(emit_t *emit, const char *str) {
-    assert(0);
-}
-static void emit_thumb_load_const_verbatim_strn(emit_t *emit, const char *str, int len) {
-    assert(0);
-}
-static void emit_thumb_load_const_verbatim_quoted_str(emit_t *emit, qstr qstr, bool bytes) {
-    assert(0);
-}
-static void emit_thumb_load_const_verbatim_end(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_load_fast(emit_t *emit, qstr qstr, int local_num) {
-    emit_pre(emit);
-    if (local_num == 0) {
-        emit_post_push_reg(emit, REG_LOCAL_1);
-    } else if (local_num == 1) {
-        emit_post_push_reg(emit, REG_LOCAL_2);
-    } else if (local_num == 2) {
-        emit_post_push_reg(emit, REG_LOCAL_3);
-    } else {
-        asm_thumb_mov_reg_local(emit->as, REG_R0, local_num - 1);
-        emit_post_push_reg(emit, REG_R0);
-    }
-}
-
-static void emit_thumb_load_name(emit_t *emit, qstr qstr) {
-    emit_pre(emit);
-    emit_call_with_i32_arg(emit, RT_F_LOAD_NAME, qstr, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_load_global(emit_t *emit, qstr qstr) {
-    emit_pre(emit);
-    emit_call_with_i32_arg(emit, RT_F_LOAD_GLOBAL, qstr, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_load_deref(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_load_closure(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-
-static void emit_thumb_load_attr(emit_t *emit, qstr qstr) {
-    emit_pre_pop_reg(emit, REG_ARG_1); // arg1 = base
-    emit_call_with_i32_arg(emit, RT_F_LOAD_ATTR, qstr, REG_ARG_2); // arg2 = attribute name
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_load_method(emit_t *emit, qstr qstr) {
-    emit_pre_pop_reg(emit, REG_ARG_1); // arg1 = base
-    emit_get_stack_pointer_to_reg_for_push(emit, REG_ARG_3, 2); // arg3 = dest ptr
-    emit_call_with_i32_arg(emit, RT_F_LOAD_METHOD, qstr, REG_ARG_2); // arg2 = method name
-}
-
-static void emit_thumb_load_build_class(emit_t *emit) {
-   assert(0);
-} // basically load __build_class__ from builtins
-
-static void emit_thumb_store_fast(emit_t *emit, qstr qstr, int local_num) {
-    if (local_num == 0) {
-        emit_pre_pop_reg(emit, REG_LOCAL_1);
-    } else if (local_num == 1) {
-        emit_pre_pop_reg(emit, REG_LOCAL_2);
-    } else if (local_num == 2) {
-        emit_pre_pop_reg(emit, REG_LOCAL_3);
-    } else {
-        emit_pre_pop_reg(emit, REG_R0);
-        asm_thumb_mov_local_reg(emit->as, local_num - 1, REG_R0);
-    }
-    emit_post(emit);
-}
-
-static void emit_thumb_store_name(emit_t *emit, qstr qstr) {
-    emit_pre_pop_reg(emit, REG_ARG_2);
-    emit_call_with_i32_arg(emit, RT_F_STORE_NAME, qstr, REG_ARG_1); // arg1 = name
-    emit_post(emit);
-}
-
-static void emit_thumb_store_global(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-
-static void emit_thumb_store_deref(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_store_attr(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_store_locals(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_store_subscr(emit_t *emit) {
-    emit_pre_pop_reg_reg_reg(emit, REG_ARG_2, REG_ARG_1, REG_ARG_3); // index, base, value to store
-    emit_call(emit, RT_F_STORE_SUBSCR);
-}
-
-static void emit_thumb_delete_fast(emit_t *emit, qstr qstr, int local_num) {
-    assert(0);
-}
-static void emit_thumb_delete_name(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_delete_global(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_delete_deref(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_delete_attr(emit_t *emit, qstr qstr) {
-    assert(0);
-}
-static void emit_thumb_delete_subscr(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_dup_top(emit_t *emit) {
-    emit_pre_pop_reg(emit, REG_R0);
-    emit_post_push_reg_reg(emit, REG_R0, REG_R0);
-}
-
-static void emit_thumb_dup_top_two(emit_t *emit) {
-    emit_pre_pop_reg_reg(emit, REG_R0, REG_R1);
-    emit_post_push_reg_reg_reg_reg(emit, REG_R1, REG_R0, REG_R1, REG_R0);
-}
-
-static void emit_thumb_pop_top(emit_t *emit) {
-    emit_pre_pop_reg(emit, REG_R0);
-    emit_post(emit);
-}
-
-static void emit_thumb_rot_two(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_rot_three(emit_t *emit) {
-    emit_pre_pop_reg_reg_reg(emit, REG_R0, REG_R1, REG_R2);
-    emit_post_push_reg_reg_reg(emit, REG_R0, REG_R2, REG_R1);
-}
-
-static void emit_thumb_jump(emit_t *emit, int label) {
-    emit_pre(emit);
-    asm_thumb_b_label(emit->as, label);
-    emit_post(emit);
-}
-
-static void emit_thumb_pop_jump_if_false(emit_t *emit, int label) {
-    if (emit->do_native_types) {
-        emit_pre_pop_reg(emit, REG_RET);
-        asm_thumb_cmp_reg_bz_label(emit->as, REG_RET, label);
-        emit_post(emit);
-    } else {
-        emit_pre_pop_reg(emit, REG_ARG_1);
-        emit_call(emit, RT_F_IS_TRUE);
-        asm_thumb_cmp_reg_bz_label(emit->as, REG_RET, label);
-        emit_post(emit);
-    }
-}
-
-static void emit_thumb_pop_jump_if_true(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_jump_if_true_or_pop(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_jump_if_false_or_pop(emit_t *emit, int label) {
-    assert(0);
-}
-
-static void emit_thumb_setup_loop(emit_t *emit, int label) {
-    emit_pre(emit);
-    emit_post(emit);
-}
-
-static void emit_thumb_break_loop(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_continue_loop(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_setup_with(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_with_cleanup(emit_t *emit) {
-    assert(0);
-}
-static void emit_thumb_setup_except(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_setup_finally(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_end_finally(emit_t *emit) {
-    assert(0);
-}
-static void emit_thumb_get_iter(emit_t *emit) {
-    assert(0);
-} // tos = getiter(tos)
-static void emit_thumb_for_iter(emit_t *emit, int label) {
-    assert(0);
-}
-static void emit_thumb_for_iter_end(emit_t *emit) {
-    assert(0);
-}
-static void emit_thumb_pop_except(emit_t *emit) {
-    assert(0);
-}
-
-static void emit_thumb_unary_op(emit_t *emit, rt_unary_op_t op) {
-    emit_pre_pop_reg(emit, REG_ARG_2);
-    emit_call_with_i32_arg(emit, RT_F_UNARY_OP, op, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_build_tuple(emit_t *emit, int n_args) {
-    assert(0);
-}
-
-static void emit_thumb_build_list(emit_t *emit, int n_args) {
-    emit_pre(emit);
-    emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_2, n_args); // pointer to items in reverse order
-    emit_call_with_i32_arg(emit, RT_F_BUILD_LIST, n_args, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET); // new list
-}
-
-static void emit_thumb_list_append(emit_t *emit, int list_index) {
-    assert(0);
-}
-
-static void emit_thumb_build_map(emit_t *emit, int n_args) {
-    emit_pre(emit);
-    emit_call_with_i32_arg(emit, RT_F_BUILD_MAP, n_args, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET); // new map
-}
-
-static void emit_thumb_store_map(emit_t *emit) {
-    emit_pre_pop_reg_reg_reg(emit, REG_ARG_2, REG_ARG_3, REG_ARG_1); // key, value, map
-    emit_call(emit, RT_F_STORE_MAP);
-    emit_post_push_reg(emit, REG_RET); // map
-}
-
-static void emit_thumb_map_add(emit_t *emit, int map_index) {
-    assert(0);
-}
-
-static void emit_thumb_build_set(emit_t *emit, int n_args) {
-    emit_pre(emit);
-    emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_2, n_args); // pointer to items in reverse order
-    emit_call_with_i32_arg(emit, RT_F_BUILD_SET, n_args, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET); // new set
-}
-
-static void emit_thumb_set_add(emit_t *emit, int set_index) {
-    assert(0);
-}
-static void emit_thumb_build_slice(emit_t *emit, int n_args) {
-    assert(0);
-}
-static void emit_thumb_unpack_sequence(emit_t *emit, int n_args) {
-    assert(0);
-}
-static void emit_thumb_unpack_ex(emit_t *emit, int n_left, int n_right) {
-    assert(0);
-}
-
-static void emit_thumb_make_function(emit_t *emit, scope_t *scope, int n_dict_params, int n_default_params) {
-    assert(n_default_params == 0 && n_dict_params == 0);
-    emit_pre(emit);
-    emit_call_with_i32_arg(emit, RT_F_MAKE_FUNCTION_FROM_ID, scope->unique_code_id, REG_ARG_1);
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_make_closure(emit_t *emit, scope_t *scope, int n_dict_params, int n_default_params) {
-    assert(0);
-}
-
-static void emit_thumb_call_function(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
-    assert(n_keyword == 0 && !have_star_arg && !have_dbl_star_arg);
-    if (n_positional == 0) {
-        emit_pre_pop_reg(emit, REG_ARG_1); // the function
-        emit_call(emit, RT_F_CALL_FUNCTION_0);
-    } else if (n_positional == 1) {
-        emit_pre_pop_reg_reg(emit, REG_ARG_2, REG_ARG_1); // the single argument, the function
-        emit_call(emit, RT_F_CALL_FUNCTION_1);
-    } else if (n_positional == 2) {
-        emit_pre_pop_reg_reg_reg(emit, REG_ARG_3, REG_ARG_2, REG_ARG_1); // the second argument, the first argument, the function
-        emit_call(emit, RT_F_CALL_FUNCTION_2);
-    } else {
-        assert(0);
-    }
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_call_method(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
-    assert(n_keyword == 0 && !have_star_arg && !have_dbl_star_arg);
-    if (n_positional == 0) {
-        emit_pre_pop_reg_reg(emit, REG_ARG_2, REG_ARG_1); // the self object (or NULL), the method
-        emit_call(emit, RT_F_CALL_METHOD_1);
-    } else if (n_positional == 1) {
-        emit_pre_pop_reg_reg_reg(emit, REG_ARG_3, REG_ARG_2, REG_ARG_1); // the first argument, the self object (or NULL), the method
-        emit_call(emit, RT_F_CALL_METHOD_2);
-    } else {
-        assert(0);
-    }
-    emit_post_push_reg(emit, REG_RET);
-}
-
-static void emit_thumb_pop_block(emit_t *emit) {
-    emit_pre(emit);
-    emit_post(emit);
-}
-
-static void emit_thumb_binary_op(emit_t *emit, rt_binary_op_t op) {
-    if (emit->do_native_types) {
-        emit_pre_pop_reg_reg(emit, REG_ARG_2, REG_ARG_1);
-        asm_thumb_add_reg_reg_reg(emit->as, REG_RET, REG_ARG_1, REG_ARG_2);
-        emit_post_push_reg(emit, REG_RET);
-    } else {
-        emit_pre_pop_reg_reg(emit, REG_ARG_3, REG_ARG_2);
-        emit_call_with_i32_arg(emit, RT_F_BINARY_OP, op, REG_ARG_1);
-        emit_post_push_reg(emit, REG_RET);
-    }
-}
-
-static void emit_thumb_compare_op(emit_t *emit, rt_compare_op_t op) {
-    if (emit->do_native_types) {
-        emit_pre_pop_reg_reg(emit, REG_ARG_2, REG_ARG_1);
-        asm_thumb_cmp_reg_reg(emit->as, REG_ARG_1, REG_ARG_2);
-        asm_thumb_ite_ge(emit->as);
-        asm_thumb_movs_rlo_i8(emit->as, REG_RET, 0); // if r0 >= r1
-        asm_thumb_movs_rlo_i8(emit->as, REG_RET, 1); // if r0 < r1
-        emit_post_push_reg(emit, REG_RET);
-    } else {
-        emit_pre_pop_reg_reg(emit, REG_ARG_3, REG_ARG_2);
-        emit_call_with_i32_arg(emit, RT_F_COMPARE_OP, op, REG_ARG_1);
-        emit_post_push_reg(emit, REG_RET);
-    }
-}
-
-static void emit_thumb_return_value(emit_t *emit) {
-    emit_pre_pop_reg(emit, REG_RET);
-    emit->last_emit_was_return_value = true;
-    //asm_thumb_call_ind(emit->as, 0, REG_R0); to seg fault for debugging with gdb
-    asm_thumb_exit(emit->as);
-}
-
-static void emit_thumb_raise_varargs(emit_t *emit, int n_args) {
-    assert(0);
-}
-static void emit_thumb_yield_value(emit_t *emit) {
-    assert(0);
-}
-static void emit_thumb_yield_from(emit_t *emit) {
-    assert(0);
-}
-
-const emit_method_table_t emit_thumb_method_table = {
-    emit_thumb_set_native_types,
-    emit_thumb_start_pass,
-    emit_thumb_end_pass,
-    emit_thumb_last_emit_was_return_value,
-    emit_thumb_get_stack_size,
-    emit_thumb_set_stack_size,
-
-    emit_thumb_load_id,
-    emit_thumb_store_id,
-    emit_thumb_delete_id,
-
-    emit_thumb_label_assign,
-    emit_thumb_import_name,
-    emit_thumb_import_from,
-    emit_thumb_import_star,
-    emit_thumb_load_const_tok,
-    emit_thumb_load_const_small_int,
-    emit_thumb_load_const_int,
-    emit_thumb_load_const_dec,
-    emit_thumb_load_const_id,
-    emit_thumb_load_const_str,
-    emit_thumb_load_const_verbatim_start,
-    emit_thumb_load_const_verbatim_int,
-    emit_thumb_load_const_verbatim_str,
-    emit_thumb_load_const_verbatim_strn,
-    emit_thumb_load_const_verbatim_quoted_str,
-    emit_thumb_load_const_verbatim_end,
-    emit_thumb_load_fast,
-    emit_thumb_load_name,
-    emit_thumb_load_global,
-    emit_thumb_load_deref,
-    emit_thumb_load_closure,
-    emit_thumb_load_attr,
-    emit_thumb_load_method,
-    emit_thumb_load_build_class,
-    emit_thumb_store_fast,
-    emit_thumb_store_name,
-    emit_thumb_store_global,
-    emit_thumb_store_deref,
-    emit_thumb_store_attr,
-    emit_thumb_store_locals,
-    emit_thumb_store_subscr,
-    emit_thumb_delete_fast,
-    emit_thumb_delete_name,
-    emit_thumb_delete_global,
-    emit_thumb_delete_deref,
-    emit_thumb_delete_attr,
-    emit_thumb_delete_subscr,
-    emit_thumb_dup_top,
-    emit_thumb_dup_top_two,
-    emit_thumb_pop_top,
-    emit_thumb_rot_two,
-    emit_thumb_rot_three,
-    emit_thumb_jump,
-    emit_thumb_pop_jump_if_true,
-    emit_thumb_pop_jump_if_false,
-    emit_thumb_jump_if_true_or_pop,
-    emit_thumb_jump_if_false_or_pop,
-    emit_thumb_setup_loop,
-    emit_thumb_break_loop,
-    emit_thumb_continue_loop,
-    emit_thumb_setup_with,
-    emit_thumb_with_cleanup,
-    emit_thumb_setup_except,
-    emit_thumb_setup_finally,
-    emit_thumb_end_finally,
-    emit_thumb_get_iter,
-    emit_thumb_for_iter,
-    emit_thumb_for_iter_end,
-    emit_thumb_pop_block,
-    emit_thumb_pop_except,
-    emit_thumb_unary_op,
-    emit_thumb_binary_op,
-    emit_thumb_compare_op,
-    emit_thumb_build_tuple,
-    emit_thumb_build_list,
-    emit_thumb_list_append,
-    emit_thumb_build_map,
-    emit_thumb_store_map,
-    emit_thumb_map_add,
-    emit_thumb_build_set,
-    emit_thumb_set_add,
-    emit_thumb_build_slice,
-    emit_thumb_unpack_sequence,
-    emit_thumb_unpack_ex,
-    emit_thumb_make_function,
-    emit_thumb_make_closure,
-    emit_thumb_call_function,
-    emit_thumb_call_method,
-    emit_thumb_return_value,
-    emit_thumb_raise_varargs,
-    emit_thumb_yield_value,
-    emit_thumb_yield_from,
-};
-
-#endif // MICROPY_EMIT_THUMB