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py: Replace POP_BLOCK and POP_EXCEPT opcodes with POP_EXCEPT_JUMP.

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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
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py/vmentrytable.h
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@@ -76,8 +76,7 @@ static const void *const entry_table[256] = {
[MP_BC_GET_ITER] = &&entry_MP_BC_GET_ITER,
[MP_BC_GET_ITER_STACK] = &&entry_MP_BC_GET_ITER_STACK,
[MP_BC_FOR_ITER] = &&entry_MP_BC_FOR_ITER,
[MP_BC_POP_BLOCK] = &&entry_MP_BC_POP_BLOCK,
[MP_BC_POP_EXCEPT] = &&entry_MP_BC_POP_EXCEPT,
[MP_BC_POP_EXCEPT_JUMP] = &&entry_MP_BC_POP_EXCEPT_JUMP,
[MP_BC_BUILD_TUPLE] = &&entry_MP_BC_BUILD_TUPLE,
[MP_BC_BUILD_LIST] = &&entry_MP_BC_BUILD_LIST,
[MP_BC_BUILD_MAP] = &&entry_MP_BC_BUILD_MAP,