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Simplify DISPATCH by hoisting eval_breaker ahead of time. (gh-12243)

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Eric Snow 2019-03-08 17:25:54 -07:00 committed by GitHub
parent d5a70c6b03
commit 7bda9de550
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
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Python/ceval.c
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@ -602,6 +602,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
PyObject **fastlocals, **freevars; PyObject **fastlocals, **freevars;
PyObject *retval = NULL; /* Return value */ PyObject *retval = NULL; /* Return value */
PyThreadState *tstate = _PyThreadState_GET(); PyThreadState *tstate = _PyThreadState_GET();
_Py_atomic_int *eval_breaker = &_PyRuntime.ceval.eval_breaker;
PyCodeObject *co; PyCodeObject *co;
/* when tracing we set things up so that /* when tracing we set things up so that
@ -687,7 +688,7 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
#define DISPATCH() \ #define DISPATCH() \
{ \ { \
if (!_Py_atomic_load_relaxed(&_PyRuntime.ceval.eval_breaker)) { \ if (!_Py_atomic_load_relaxed(eval_breaker)) { \
FAST_DISPATCH(); \ FAST_DISPATCH(); \
} \ } \
continue; \ continue; \
@ -989,7 +990,7 @@ main_loop:
async I/O handler); see Py_AddPendingCall() and async I/O handler); see Py_AddPendingCall() and
Py_MakePendingCalls() above. */ Py_MakePendingCalls() above. */
if (_Py_atomic_load_relaxed(&_PyRuntime.ceval.eval_breaker)) { if (_Py_atomic_load_relaxed(eval_breaker)) {
opcode = _Py_OPCODE(*next_instr); opcode = _Py_OPCODE(*next_instr);
if (opcode == SETUP_FINALLY || if (opcode == SETUP_FINALLY ||
opcode == SETUP_WITH || opcode == SETUP_WITH ||