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GH-131798: Optimize _GUARD_TOS_SLICE (GH-144470)

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Sacul 2026-02-09 02:08:26 +08:00 • committed by GitHub
parent d73634935c
commit cfeede85a7
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7
Python/optimizer_bytecodes.c
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@ -1374,6 +1374,13 @@ dummy_func(void) {
}
}
op(_GUARD_TOS_SLICE, (tos -- tos)) {
if (sym_matches_type(tos, &PySlice_Type)) {
ADD_OP(_NOP, 0, 0);
}
sym_set_type(tos, &PySlice_Type);
}
op(_GUARD_NOS_NULL, (null, unused -- null, unused)) {
if (sym_is_null(null)) {
ADD_OP(_NOP, 0, 0);

6
Python/optimizer_cases.c.h generated
View file

@ -370,6 +370,12 @@
}
case _GUARD_TOS_SLICE: {
JitOptRef tos;
tos = stack_pointer[-1];
if (sym_matches_type(tos, &PySlice_Type)) {
ADD_OP(_NOP, 0, 0);
}
sym_set_type(tos, &PySlice_Type);
break;
}