circuitpython/py/emitnx86.c
Damien George cc2bd63c57 py/emitnative: Implement yield and yield-from in native emitter.
This commit adds first class support for yield and yield-from in the native
emitter, including send and throw support, and yields enclosed in exception
handlers (which requires pulling down the NLR stack before yielding, then
rebuilding it when resuming).

This has been fully tested and is working on unix x86 and x86-64, and
stm32.  Also basic tests have been done with the esp8266 port.  Performance
of existing native code is unchanged.
2018-10-01 13:31:11 +10:00

77 lines
2.1 KiB
C

// x86 specific stuff
#include "py/mpconfig.h"
#include "py/runtime0.h"
#if MICROPY_EMIT_X86
// This is defined so that the assembler exports generic assembler API macros
#define GENERIC_ASM_API (1)
#include "py/asmx86.h"
// Word indices of REG_LOCAL_x in nlr_buf_t
#define NLR_BUF_IDX_LOCAL_1 (5) // ebx
#define NLR_BUF_IDX_LOCAL_2 (7) // esi
#define NLR_BUF_IDX_LOCAL_3 (6) // edi
// x86 needs a table to know how many args a given function has
STATIC byte mp_f_n_args[MP_F_NUMBER_OF] = {
[MP_F_CONVERT_OBJ_TO_NATIVE] = 2,
[MP_F_CONVERT_NATIVE_TO_OBJ] = 2,
[MP_F_NATIVE_SWAP_GLOBALS] = 1,
[MP_F_LOAD_NAME] = 1,
[MP_F_LOAD_GLOBAL] = 1,
[MP_F_LOAD_BUILD_CLASS] = 0,
[MP_F_LOAD_ATTR] = 2,
[MP_F_LOAD_METHOD] = 3,
[MP_F_LOAD_SUPER_METHOD] = 2,
[MP_F_STORE_NAME] = 2,
[MP_F_STORE_GLOBAL] = 2,
[MP_F_STORE_ATTR] = 3,
[MP_F_OBJ_SUBSCR] = 3,
[MP_F_OBJ_IS_TRUE] = 1,
[MP_F_UNARY_OP] = 2,
[MP_F_BINARY_OP] = 3,
[MP_F_BUILD_TUPLE] = 2,
[MP_F_BUILD_LIST] = 2,
[MP_F_LIST_APPEND] = 2,
[MP_F_BUILD_MAP] = 1,
[MP_F_STORE_MAP] = 3,
#if MICROPY_PY_BUILTINS_SET
[MP_F_BUILD_SET] = 2,
[MP_F_STORE_SET] = 2,
#endif
[MP_F_MAKE_FUNCTION_FROM_RAW_CODE] = 3,
[MP_F_NATIVE_CALL_FUNCTION_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW] = 3,
[MP_F_CALL_METHOD_N_KW_VAR] = 3,
[MP_F_NATIVE_GETITER] = 2,
[MP_F_NATIVE_ITERNEXT] = 1,
[MP_F_NLR_PUSH] = 1,
[MP_F_NLR_POP] = 0,
[MP_F_NATIVE_RAISE] = 1,
[MP_F_IMPORT_NAME] = 3,
[MP_F_IMPORT_FROM] = 2,
[MP_F_IMPORT_ALL] = 1,
#if MICROPY_PY_BUILTINS_SLICE
[MP_F_NEW_SLICE] = 3,
#endif
[MP_F_UNPACK_SEQUENCE] = 3,
[MP_F_UNPACK_EX] = 3,
[MP_F_DELETE_NAME] = 1,
[MP_F_DELETE_GLOBAL] = 1,
[MP_F_NEW_CELL] = 1,
[MP_F_MAKE_CLOSURE_FROM_RAW_CODE] = 3,
[MP_F_ARG_CHECK_NUM_SIG] = 3,
[MP_F_SETUP_CODE_STATE] = 4,
[MP_F_SMALL_INT_FLOOR_DIVIDE] = 2,
[MP_F_SMALL_INT_MODULO] = 2,
[MP_F_NATIVE_YIELD_FROM] = 3,
};
#define N_X86 (1)
#define EXPORT_FUN(name) emit_native_x86_##name
#include "py/emitnative.c"
#endif