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gh-148211: decompose [_POP_CALL_X/_SHUFFLE_2]_LOAD_CONST_INLINE_BORROW in JIT (GH-148313)

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Neko Asakura 2026-04-10 21:57:01 +08:00 • committed by GitHub
parent d3b7b93cbb
commit aea0b91d65
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8 changed files with 1040 additions and 1411 deletions
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Python/optimizer_analysis.c
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@ -657,9 +657,6 @@ const uint16_t op_without_push[MAX_UOP_ID + 1] = {
[_POP_TOP_LOAD_CONST_INLINE] = _POP_TOP,
[_POP_TOP_LOAD_CONST_INLINE_BORROW] = _POP_TOP,
[_POP_TWO_LOAD_CONST_INLINE_BORROW] = _POP_TWO,
[_POP_CALL_ONE_LOAD_CONST_INLINE_BORROW] = _POP_CALL_ONE,
[_POP_CALL_TWO_LOAD_CONST_INLINE_BORROW] = _POP_CALL_TWO,
[_SHUFFLE_2_LOAD_CONST_INLINE_BORROW] = _POP_CALL_ONE_LOAD_CONST_INLINE_BORROW,
};
const bool op_skip[MAX_UOP_ID + 1] = {
@ -679,15 +676,12 @@ const uint16_t op_without_pop[MAX_UOP_ID + 1] = {
[_POP_TOP_LOAD_CONST_INLINE_BORROW] = _LOAD_CONST_INLINE_BORROW,
[_POP_TWO] = _POP_TOP,
[_POP_TWO_LOAD_CONST_INLINE_BORROW] = _POP_TOP_LOAD_CONST_INLINE_BORROW,
[_POP_CALL_TWO_LOAD_CONST_INLINE_BORROW] = _POP_CALL_ONE_LOAD_CONST_INLINE_BORROW,
[_POP_CALL_ONE_LOAD_CONST_INLINE_BORROW] = _POP_CALL_LOAD_CONST_INLINE_BORROW,
[_POP_CALL_TWO] = _POP_CALL_ONE,
[_POP_CALL_ONE] = _POP_CALL,
};
const uint16_t op_without_pop_null[MAX_UOP_ID + 1] = {
[_POP_CALL] = _POP_TOP,
[_POP_CALL_LOAD_CONST_INLINE_BORROW] = _POP_TOP_LOAD_CONST_INLINE_BORROW,
};
@ -739,9 +733,9 @@ remove_unneeded_uops(_PyUOpInstruction *buffer, int buffer_size)
}
}
else if (last->opcode == _PUSH_NULL) {
// Handle _POP_CALL and _POP_CALL_LOAD_CONST_INLINE_BORROW separately.
// Handle _POP_CALL separately.
// This looks for a preceding _PUSH_NULL instruction and
// simplifies to _POP_TOP(_LOAD_CONST_INLINE_BORROW).
// simplifies to _POP_TOP.
last->opcode = _NOP;
opcode = buffer[pc].opcode = op_without_pop_null[opcode];
assert(opcode);