diff options
| author | Damien George <damien.p.george@gmail.com> | 2019-02-15 12:18:59 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2019-03-05 16:09:58 +1100 |
| commit | 5a2599d96299ad37cda954f1de345159f9acf11c (patch) | |
| tree | 13e82197f7494090b98a72f85f5aec3425d7cfa3 /py/showbc.c | |
| parent | 6f9e3ff719917616f163d3d671d6abe9472ba6ff (diff) | |
py: Replace POP_BLOCK and POP_EXCEPT opcodes with POP_EXCEPT_JUMP.
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.
Diffstat (limited to 'py/showbc.c')
| -rw-r--r-- | py/showbc.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/py/showbc.c b/py/showbc.c index 3deb18cd3..b9024b716 100644 --- a/py/showbc.c +++ b/py/showbc.c @@ -401,14 +401,9 @@ const byte *mp_bytecode_print_str(const byte *ip) { printf("FOR_ITER " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start)); break; - case MP_BC_POP_BLOCK: - // pops block and restores the stack - printf("POP_BLOCK"); - break; - - case MP_BC_POP_EXCEPT: - // pops block, checks it's an exception block, and restores the stack, saving the 3 exception values to local threadstate - printf("POP_EXCEPT"); + case MP_BC_POP_EXCEPT_JUMP: + DECODE_ULABEL; // these labels are always forward + printf("POP_EXCEPT_JUMP " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start)); break; case MP_BC_BUILD_TUPLE: |