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gh-128563: A new tail-calling interpreter (GH-128718)

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Co-authored-by: Garrett Gu <garrettgu777@gmail.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
This commit is contained in:
Ken Jin 2025-02-06 23:21:57 +08:00 • committed by GitHub
parent 555dc50c81
commit cb640b659e
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GPG key ID: B5690EEEBB952194
16 changed files with 3883 additions and 623 deletions
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23
Python/ceval.c
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@ -768,13 +768,18 @@ _PyObjectArray_Free(PyObject **array, PyObject **scratch)
#define PY_EVAL_C_STACK_UNITS 2
#ifdef Py_TAIL_CALL_INTERP
#include "opcode_targets.h"
#include "generated_cases.c.h"
#endif
PyObject* _Py_HOT_FUNCTION
_PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int throwflag)
{
_Py_EnsureTstateNotNULL(tstate);
CALL_STAT_INC(pyeval_calls);
#if USE_COMPUTED_GOTOS
#if USE_COMPUTED_GOTOS && !defined(Py_TAIL_CALL_INTERP)
/* Import the static jump table */
#include "opcode_targets.h"
#endif
@ -782,10 +787,11 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
#ifdef Py_STATS
int lastopcode = 0;
#endif
#ifndef Py_TAIL_CALL_INTERP
uint8_t opcode; /* Current opcode */
int oparg; /* Current opcode argument, if any */
_PyInterpreterFrame entry_frame;
#endif
_PyInterpreterFrame entry_frame;
if (_Py_EnterRecursiveCallTstate(tstate, "")) {
assert(frame->owner != FRAME_OWNED_BY_INTERPRETER);
@ -845,7 +851,11 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
next_instr = frame->instr_ptr;
stack_pointer = _PyFrame_GetStackPointer(frame);
monitor_throw(tstate, frame, next_instr);
#ifdef Py_TAIL_CALL_INTERP
return _TAIL_CALL_error(frame, stack_pointer, tstate, next_instr, 0);
#else
goto error;
#endif
}
#if defined(_Py_TIER2) && !defined(_Py_JIT)
@ -854,9 +864,12 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
const _PyUOpInstruction *next_uop = NULL;
#endif
#ifdef Py_TAIL_CALL_INTERP
return _TAIL_CALL_start_frame(frame, NULL, tstate, NULL, 0);
#else
goto start_frame;
#include "generated_cases.c.h"
# include "generated_cases.c.h"
#endif
#ifdef _Py_TIER2