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gh-119689: generate stack effect metadata for pseudo instructions (#119691)

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Irit Katriel 2024-05-29 10:47:56 +01:00 • committed by GitHub
parent 7ca74a760a
commit c1e9647107
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10 changed files with 112 additions and 73 deletions
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24
Python/bytecodes.c
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@ -213,7 +213,7 @@ dummy_func(
}
}
pseudo(LOAD_CLOSURE) = {
pseudo(LOAD_CLOSURE, (-- unused)) = {
LOAD_FAST,
};
@ -259,7 +259,7 @@ dummy_func(
SETLOCAL(oparg, value);
}
pseudo(STORE_FAST_MAYBE_NULL) = {
pseudo(STORE_FAST_MAYBE_NULL, (unused --)) = {
STORE_FAST,
};
@ -2393,12 +2393,12 @@ dummy_func(
#endif /* _Py_TIER2 */
}
pseudo(JUMP) = {
pseudo(JUMP, (--)) = {
JUMP_FORWARD,
JUMP_BACKWARD,
};
pseudo(JUMP_NO_INTERRUPT) = {
pseudo(JUMP_NO_INTERRUPT, (--)) = {
JUMP_FORWARD,
JUMP_BACKWARD_NO_INTERRUPT,
};
@ -2895,19 +2895,27 @@ dummy_func(
ERROR_IF(res == NULL, error);
}
pseudo(SETUP_FINALLY, (HAS_ARG)) = {
pseudo(SETUP_FINALLY, (-- unused), (HAS_ARG)) = {
/* If an exception is raised, restore the stack position
* and push one value before jumping to the handler.
*/
NOP,
};
pseudo(SETUP_CLEANUP, (HAS_ARG)) = {
pseudo(SETUP_CLEANUP, (-- unused, unused), (HAS_ARG)) = {
/* As SETUP_FINALLY, but push lasti as well */
NOP,
};
pseudo(SETUP_WITH, (HAS_ARG)) = {
pseudo(SETUP_WITH, (-- unused), (HAS_ARG)) = {
/* If an exception is raised, restore the stack position to the
* position before the result of __(a)enter__ and push 2 values
* before jumping to the handler.
*/
NOP,
};
pseudo(POP_BLOCK) = {
pseudo(POP_BLOCK, (--)) = {
NOP,
};