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gh-148211: decompose _SHUFFLE_3_LOAD_CONST_INLINE_BORROW in JIT (GH-148816)

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Neko Asakura 2026-04-28 20:48:23 +08:00 • committed by GitHub
parent be968c7210
commit 2b6a13710f
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7 changed files with 1029 additions and 1167 deletions
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7
Python/bytecodes.c
View file

@ -6107,13 +6107,6 @@ dummy_func(
value = PyStackRef_FromPyObjectBorrow(ptr);
}
tier2 op(_SHUFFLE_3_LOAD_CONST_INLINE_BORROW, (ptr/4, callable, null, arg -- res, a, c)) {
res = PyStackRef_FromPyObjectBorrow(ptr);
a = arg;
c = callable;
INPUTS_DEAD();
}
tier2 op(_START_EXECUTOR, (executor/4 --)) {
#ifndef _Py_JIT
assert(current_executor == (_PyExecutorObject*)executor);

100
Python/executor_cases.c.h generated
View file

@ -22337,106 +22337,6 @@
break;
}
case _SHUFFLE_3_LOAD_CONST_INLINE_BORROW_r03: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef arg;
_PyStackRef callable;
_PyStackRef res;
_PyStackRef a;
_PyStackRef c;
arg = stack_pointer[-1];
callable = stack_pointer[-3];
PyObject *ptr = (PyObject *)CURRENT_OPERAND0_64();
res = PyStackRef_FromPyObjectBorrow(ptr);
a = arg;
c = callable;
_tos_cache2 = c;
_tos_cache1 = a;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(3);
stack_pointer += -3;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _SHUFFLE_3_LOAD_CONST_INLINE_BORROW_r13: {
CHECK_CURRENT_CACHED_VALUES(1);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef arg;
_PyStackRef callable;
_PyStackRef res;
_PyStackRef a;
_PyStackRef c;
_PyStackRef _stack_item_0 = _tos_cache0;
arg = _stack_item_0;
callable = stack_pointer[-2];
PyObject *ptr = (PyObject *)CURRENT_OPERAND0_64();
res = PyStackRef_FromPyObjectBorrow(ptr);
a = arg;
c = callable;
_tos_cache2 = c;
_tos_cache1 = a;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(3);
stack_pointer += -2;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _SHUFFLE_3_LOAD_CONST_INLINE_BORROW_r23: {
CHECK_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef arg;
_PyStackRef callable;
_PyStackRef res;
_PyStackRef a;
_PyStackRef c;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
arg = _stack_item_1;
callable = stack_pointer[-1];
PyObject *ptr = (PyObject *)CURRENT_OPERAND0_64();
res = PyStackRef_FromPyObjectBorrow(ptr);
a = arg;
c = callable;
_tos_cache2 = c;
_tos_cache1 = a;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(3);
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _SHUFFLE_3_LOAD_CONST_INLINE_BORROW_r33: {
CHECK_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef arg;
_PyStackRef callable;
_PyStackRef res;
_PyStackRef a;
_PyStackRef c;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
_PyStackRef _stack_item_2 = _tos_cache2;
arg = _stack_item_2;
callable = _stack_item_0;
PyObject *ptr = (PyObject *)CURRENT_OPERAND0_64();
res = PyStackRef_FromPyObjectBorrow(ptr);
a = arg;
c = callable;
_tos_cache2 = c;
_tos_cache1 = a;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _START_EXECUTOR_r00: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());

5
Python/optimizer_bytecodes.c
View file

@ -2330,7 +2330,10 @@ dummy_func(void) {
goto error;
}
if (_Py_IsImmortal(temp)) {
ADD_OP(_SHUFFLE_3_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)temp);
ADD_OP(_SWAP, 2, 0);
optimize_pop_top(ctx, this_instr, null);
ADD_OP(_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)temp);
ADD_OP(_SWAP, 3, 0);
}
res = sym_new_const(ctx, temp);
Py_DECREF(temp);

20
Python/optimizer_cases.c.h generated
View file

@ -4514,11 +4514,13 @@
case _CALL_LEN: {
JitOptRef arg;
JitOptRef null;
JitOptRef callable;
JitOptRef res;
JitOptRef a;
JitOptRef c;
arg = stack_pointer[-1];
null = stack_pointer[-2];
callable = stack_pointer[-3];
res = sym_new_type(ctx, &PyLong_Type);
Py_ssize_t length = sym_tuple_length(arg);
@ -4544,7 +4546,10 @@
goto error;
}
if (_Py_IsImmortal(temp)) {
ADD_OP(_SHUFFLE_3_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)temp);
ADD_OP(_SWAP, 2, 0);
optimize_pop_top(ctx, this_instr, null);
ADD_OP(_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)temp);
ADD_OP(_SWAP, 3, 0);
}
res = sym_new_const(ctx, temp);
CHECK_STACK_BOUNDS(-2);
@ -5497,19 +5502,6 @@
break;
}
case _SHUFFLE_3_LOAD_CONST_INLINE_BORROW: {
JitOptRef res;
JitOptRef a;
JitOptRef c;
res = sym_new_not_null(ctx);
a = sym_new_not_null(ctx);
c = sym_new_not_null(ctx);
stack_pointer[-3] = res;
stack_pointer[-2] = a;
stack_pointer[-1] = c;
break;
}
case _START_EXECUTOR: {
break;
}