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py: Add "default" to switches to allow better code flow analysis.

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This helps compiler produce smaller code.  Saves 124 bytes on stmhal and
bare-arm.
This commit is contained in:
Damien George
2015-01-14 21:32:42 +00:00
parent 65ef6b768c
commit d2d64f00fb
7 changed files with 19 additions and 26 deletions
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3
py/emitglue.c
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@@ -110,6 +110,7 @@ mp_obj_t mp_make_function_from_raw_code(mp_raw_code_t *rc, mp_obj_t def_args, mp
mp_obj_t fun;
switch (rc->kind) {
case MP_CODE_BYTECODE:
no_other_choice:
fun = mp_obj_new_fun_bc(rc->scope_flags, rc->n_pos_args, rc->n_kwonly_args, def_args, def_kw_args, rc->u_byte.code);
break;
#if MICROPY_EMIT_NATIVE
@@ -128,7 +129,7 @@ mp_obj_t mp_make_function_from_raw_code(mp_raw_code_t *rc, mp_obj_t def_args, mp
default:
// raw code was never set (this should not happen)
assert(0);
return mp_const_none;
goto no_other_choice; // to help flow control analysis
}
// check for generator functions and if so wrap in generator object