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gh-120619: Optimize through _Py_FRAME_GENERAL (GH-124518)

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* Optimize through _Py_FRAME_GENERAL

* refactor
This commit is contained in:
Ken Jin 2024-10-03 01:10:51 +08:00 • committed by GitHub
parent 8cc5aa47ee
commit b84a763dca
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GPG key ID: B5690EEEBB952194
3 changed files with 54 additions and 47 deletions
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24
Python/optimizer_analysis.c
View file

@ -385,6 +385,30 @@ get_code(_PyUOpInstruction *op)
return co; return co;
} }
static PyCodeObject *
get_code_with_logging(_PyUOpInstruction *op)
{
PyCodeObject *co = NULL;
uint64_t push_operand = op->operand;
if (push_operand & 1) {
co = (PyCodeObject *)(push_operand & ~1);
DPRINTF(3, "code=%p ", co);
assert(PyCode_Check(co));
}
else {
PyFunctionObject *func = (PyFunctionObject *)push_operand;
DPRINTF(3, "func=%p ", func);
if (func == NULL) {
DPRINTF(3, "\n");
DPRINTF(1, "Missing function\n");
return NULL;
}
co = (PyCodeObject *)func->func_code;
DPRINTF(3, "code=%p ", co);
}
return co;
}
/* 1 for success, 0 for not ready, cannot error at the moment. */ /* 1 for success, 0 for not ready, cannot error at the moment. */
static int static int
optimize_uops( optimize_uops(

39
Python/optimizer_bytecodes.c
View file

@ -575,25 +575,13 @@ dummy_func(void) {
PyCodeObject *co = NULL; PyCodeObject *co = NULL;
assert((this_instr + 2)->opcode == _PUSH_FRAME); assert((this_instr + 2)->opcode == _PUSH_FRAME);
uint64_t push_operand = (this_instr + 2)->operand; co = get_code_with_logging((this_instr + 2));
if (push_operand & 1) { if (co == NULL) {
co = (PyCodeObject *)(push_operand & ~1); ctx->done = true;
DPRINTF(3, "code=%p ", co); break;
assert(PyCode_Check(co));
}
else {
PyFunctionObject *func = (PyFunctionObject *)push_operand;
DPRINTF(3, "func=%p ", func);
if (func == NULL) {
DPRINTF(3, "\n");
DPRINTF(1, "Missing function\n");
ctx->done = true;
break;
}
co = (PyCodeObject *)func->func_code;
DPRINTF(3, "code=%p ", co);
} }
assert(self_or_null != NULL); assert(self_or_null != NULL);
assert(args != NULL); assert(args != NULL);
if (sym_is_not_null(self_or_null)) { if (sym_is_not_null(self_or_null)) {
@ -619,12 +607,17 @@ dummy_func(void) {
} }
op(_PY_FRAME_GENERAL, (callable, self_or_null, args[oparg] -- new_frame: _Py_UOpsAbstractFrame *)) { op(_PY_FRAME_GENERAL, (callable, self_or_null, args[oparg] -- new_frame: _Py_UOpsAbstractFrame *)) {
/* The _Py_UOpsAbstractFrame design assumes that we can copy arguments across directly */ (void)(self_or_null);
(void)callable; (void)(callable);
(void)self_or_null; PyCodeObject *co = NULL;
(void)args; assert((this_instr + 2)->opcode == _PUSH_FRAME);
new_frame = NULL; co = get_code_with_logging((this_instr + 2));
ctx->done = true; if (co == NULL) {
ctx->done = true;
break;
}
new_frame = frame_new(ctx, co, 0, NULL, 0);
} }
op(_PY_FRAME_KW, (callable, self_or_null, args[oparg], kwnames -- new_frame: _Py_UOpsAbstractFrame *)) { op(_PY_FRAME_KW, (callable, self_or_null, args[oparg], kwnames -- new_frame: _Py_UOpsAbstractFrame *)) {

38
Python/optimizer_cases.c.h generated
View file

@ -1663,15 +1663,18 @@
_Py_UopsSymbol *self_or_null; _Py_UopsSymbol *self_or_null;
_Py_UopsSymbol *callable; _Py_UopsSymbol *callable;
_Py_UOpsAbstractFrame *new_frame; _Py_UOpsAbstractFrame *new_frame;
args = &stack_pointer[-oparg];
self_or_null = stack_pointer[-1 - oparg]; self_or_null = stack_pointer[-1 - oparg];
callable = stack_pointer[-2 - oparg]; callable = stack_pointer[-2 - oparg];
/* The _Py_UOpsAbstractFrame design assumes that we can copy arguments across directly */ (void)(self_or_null);
(void)callable; (void)(callable);
(void)self_or_null; PyCodeObject *co = NULL;
(void)args; assert((this_instr + 2)->opcode == _PUSH_FRAME);
new_frame = NULL; co = get_code_with_logging((this_instr + 2));
ctx->done = true; if (co == NULL) {
ctx->done = true;
break;
}
new_frame = frame_new(ctx, co, 0, NULL, 0);
stack_pointer[-2 - oparg] = (_Py_UopsSymbol *)new_frame; stack_pointer[-2 - oparg] = (_Py_UopsSymbol *)new_frame;
stack_pointer += -1 - oparg; stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS()); assert(WITHIN_STACK_BOUNDS());
@ -1771,23 +1774,10 @@
(void)callable; (void)callable;
PyCodeObject *co = NULL; PyCodeObject *co = NULL;
assert((this_instr + 2)->opcode == _PUSH_FRAME); assert((this_instr + 2)->opcode == _PUSH_FRAME);
uint64_t push_operand = (this_instr + 2)->operand; co = get_code_with_logging((this_instr + 2));
if (push_operand & 1) { if (co == NULL) {
co = (PyCodeObject *)(push_operand & ~1); ctx->done = true;
DPRINTF(3, "code=%p ", co); break;
assert(PyCode_Check(co));
}
else {
PyFunctionObject *func = (PyFunctionObject *)push_operand;
DPRINTF(3, "func=%p ", func);
if (func == NULL) {
DPRINTF(3, "\n");
DPRINTF(1, "Missing function\n");
ctx->done = true;
break;
}
co = (PyCodeObject *)func->func_code;
DPRINTF(3, "code=%p ", co);
} }
assert(self_or_null != NULL); assert(self_or_null != NULL);
assert(args != NULL); assert(args != NULL);