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Revert "GH-128914: Remove conditional stack effects from bytecodes.c and the code generators (GH-128918)" (GH-129202)

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The commit introduced a ~2.5-3% regression in the free threading build.

This reverts commit ab61d3f430.
This commit is contained in:
Sam Gross
2025-01-23 04:26:25 -05:00
committed by GitHub
parent d7d066c3ab
commit a10f99375e
44 changed files with 1679 additions and 1460 deletions
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4
Python/optimizer_analysis.c
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@@ -109,10 +109,10 @@ convert_global_to_const(_PyUOpInstruction *inst, PyObject *obj)
return NULL;
}
if (_Py_IsImmortal(res)) {
inst->opcode = _LOAD_CONST_INLINE_BORROW;
inst->opcode = (inst->oparg & 1) ? _LOAD_CONST_INLINE_BORROW_WITH_NULL : _LOAD_CONST_INLINE_BORROW;
}
else {
inst->opcode = _LOAD_CONST_INLINE;
inst->opcode = (inst->oparg & 1) ? _LOAD_CONST_INLINE_WITH_NULL : _LOAD_CONST_INLINE;
}
inst->operand0 = (uint64_t)res;
return res;