TonBERRY/micropython
3
0
Fork 0
Code Pull Requests Activity

py: Replace POP_BLOCK and POP_EXCEPT opcodes with POP_EXCEPT_JUMP.

Browse Source 
POP_BLOCK and POP_EXCEPT are now the same, and are always followed by a
JUMP.  So this optimisation reduces code size, and RAM usage of bytecode by
two bytes for each try-except handler.
This commit is contained in:
Damien George
2019-02-15 12:18:59 +11:00
parent 6f9e3ff719
commit 5a2599d962
11 changed files with 35 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
py/emit.h
View File

@@ -134,8 +134,7 @@ typedef struct _emit_method_table_t {
void (*get_iter)(emit_t *emit, bool use_stack);
void (*for_iter)(emit_t *emit, mp_uint_t label);
void (*for_iter_end)(emit_t *emit);
void (*pop_block)(emit_t *emit);
void (*pop_except)(emit_t *emit);
void (*pop_except_jump)(emit_t *emit, mp_uint_t label, bool within_exc_handler);
void (*unary_op)(emit_t *emit, mp_unary_op_t op);
void (*binary_op)(emit_t *emit, mp_binary_op_t op);
void (*build)(emit_t *emit, mp_uint_t n_args, int kind);
@@ -232,8 +231,7 @@ void mp_emit_bc_end_finally(emit_t *emit);
void mp_emit_bc_get_iter(emit_t *emit, bool use_stack);
void mp_emit_bc_for_iter(emit_t *emit, mp_uint_t label);
void mp_emit_bc_for_iter_end(emit_t *emit);
void mp_emit_bc_pop_block(emit_t *emit);
void mp_emit_bc_pop_except(emit_t *emit);
void mp_emit_bc_pop_except_jump(emit_t *emit, mp_uint_t label, bool within_exc_handler);
void mp_emit_bc_unary_op(emit_t *emit, mp_unary_op_t op);
void mp_emit_bc_binary_op(emit_t *emit, mp_binary_op_t op);
void mp_emit_bc_build(emit_t *emit, mp_uint_t n_args, int kind);