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Add a macro for "inlining" new frames (GH-99490)

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Brandt Bucher 2022-11-17 11:36:03 -08:00 • committed by GitHub
parent a0d940d6ac
commit 6f8b0e781c
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 28 additions and 86 deletions
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52
Python/bytecodes.c
View file

@ -467,13 +467,8 @@ dummy_func(
for (int i = 2; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_BINARY_SUBSCR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
// stack effect: (__0 -- )
@ -1938,13 +1933,8 @@ dummy_func(
for (int i = 1; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_ATTR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
// error: LOAD_ATTR has irregular stack effect
@ -1979,13 +1969,8 @@ dummy_func(
for (int i = 2; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_ATTR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
// stack effect: (__0, __1 -- )
@ -2685,18 +2670,14 @@ dummy_func(
DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, FOR_ITER);
STAT_INC(FOR_ITER, hit);
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
_PyFrame_SetStackPointer(frame, stack_pointer);
frame->yield_offset = oparg;
JUMPBY(INLINE_CACHE_ENTRIES_FOR_ITER + oparg);
assert(_Py_OPCODE(*next_instr) == END_FOR);
frame->prev_instr = next_instr - 1;
_PyFrame_StackPush(gen_frame, Py_NewRef(Py_None));
gen->gi_frame_state = FRAME_EXECUTING;
gen->gi_exc_state.previous_item = tstate->exc_info;
tstate->exc_info = &gen->gi_exc_state;
gen_frame->previous = frame;
frame = cframe.current_frame = gen_frame;
goto start_frame;
JUMPBY(INLINE_CACHE_ENTRIES_FOR_ITER + oparg);
assert(_Py_OPCODE(*next_instr) == END_FOR);
DISPATCH_INLINED(gen_frame);
}
// stack effect: ( -- __0)
@ -2978,13 +2959,8 @@ dummy_func(
if (new_frame == NULL) {
goto error;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
cframe.current_frame = frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
PyObject *res;
@ -3032,7 +3008,6 @@ dummy_func(
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
STAT_INC(CALL, hit);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func);
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -3041,12 +3016,8 @@ dummy_func(
new_frame->localsplus[i] = NULL;
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
DISPATCH_INLINED(new_frame);
}
// stack effect: (__0, __array[oparg] -- )
@ -3067,7 +3038,6 @@ dummy_func(
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
STAT_INC(CALL, hit);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func);
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -3081,12 +3051,8 @@ dummy_func(
new_frame->localsplus[i] = NULL;
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
DISPATCH_INLINED(new_frame);
}
// stack effect: (__0, __array[oparg] -- )

10
Python/ceval.c
View file

@ -712,6 +712,16 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
DISPATCH_GOTO(); \
}
#define DISPATCH_INLINED(NEW_FRAME) \
do { \
_PyFrame_SetStackPointer(frame, stack_pointer); \
frame->prev_instr = next_instr - 1; \
(NEW_FRAME)->previous = frame; \
frame = cframe.current_frame = (NEW_FRAME); \
CALL_STAT_INC(inlined_py_calls); \
goto start_frame; \
} while (0)
#define CHECK_EVAL_BREAKER() \
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY(); \
if (_Py_atomic_load_relaxed_int32(eval_breaker)) { \

52
Python/generated_cases.c.h generated
View file

@ -461,13 +461,8 @@
for (int i = 2; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_BINARY_SUBSCR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
TARGET(LIST_APPEND) {
@ -1942,13 +1937,8 @@
for (int i = 1; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_ATTR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
TARGET(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN) {
@ -1982,13 +1972,8 @@
for (int i = 2; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_ATTR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
TARGET(STORE_ATTR_INSTANCE_VALUE) {
@ -2692,18 +2677,14 @@
DEOPT_IF(gen->gi_frame_state >= FRAME_EXECUTING, FOR_ITER);
STAT_INC(FOR_ITER, hit);
_PyInterpreterFrame *gen_frame = (_PyInterpreterFrame *)gen->gi_iframe;
_PyFrame_SetStackPointer(frame, stack_pointer);
frame->yield_offset = oparg;
JUMPBY(INLINE_CACHE_ENTRIES_FOR_ITER + oparg);
assert(_Py_OPCODE(*next_instr) == END_FOR);
frame->prev_instr = next_instr - 1;
_PyFrame_StackPush(gen_frame, Py_NewRef(Py_None));
gen->gi_frame_state = FRAME_EXECUTING;
gen->gi_exc_state.previous_item = tstate->exc_info;
tstate->exc_info = &gen->gi_exc_state;
gen_frame->previous = frame;
frame = cframe.current_frame = gen_frame;
goto start_frame;
JUMPBY(INLINE_CACHE_ENTRIES_FOR_ITER + oparg);
assert(_Py_OPCODE(*next_instr) == END_FOR);
DISPATCH_INLINED(gen_frame);
}
TARGET(BEFORE_ASYNC_WITH) {
@ -2983,13 +2964,8 @@
if (new_frame == NULL) {
goto error;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
cframe.current_frame = frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
PyObject *res;
@ -3038,7 +3014,6 @@
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
STAT_INC(CALL, hit);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func);
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -3047,12 +3022,8 @@
new_frame->localsplus[i] = NULL;
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
DISPATCH_INLINED(new_frame);
}
TARGET(CALL_PY_WITH_DEFAULTS) {
@ -3072,7 +3043,6 @@
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize), CALL);
STAT_INC(CALL, hit);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, func);
CALL_STAT_INC(inlined_py_calls);
STACK_SHRINK(argcount);
for (int i = 0; i < argcount; i++) {
new_frame->localsplus[i] = stack_pointer[i];
@ -3086,12 +3056,8 @@
new_frame->localsplus[i] = NULL;
}
STACK_SHRINK(2-is_meth);
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_CALL);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
goto start_frame;
DISPATCH_INLINED(new_frame);
}
TARGET(CALL_NO_KW_TYPE_1) {