diff options
| author | Ken Jin <kenjin4096@gmail.com> | 2022-06-03 16:41:18 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-03 16:41:18 (GMT) |
| commit | d52ffc1d1f14576605195e4ed3a4d5d63497c3e3 (patch) | |
| tree | 12016895476caabdc350c7a4f92c130842cfa8c5 /Objects/frameobject.c | |
| parent | d8f40ead92b5a973cff3a30482a7659d3b46b1ba (diff) | |
| download | cpython-d52ffc1d1f14576605195e4ed3a4d5d63497c3e3.zip cpython-d52ffc1d1f14576605195e4ed3a4d5d63497c3e3.tar.gz cpython-d52ffc1d1f14576605195e4ed3a4d5d63497c3e3.tar.bz2 | |
gh-93382: Cache result of `PyCode_GetCode` in codeobject (GH-93383)
Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
Diffstat (limited to 'Objects/frameobject.c')
| -rw-r--r-- | Objects/frameobject.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Objects/frameobject.c b/Objects/frameobject.c index a448ba3..545c1b6 100644 --- a/Objects/frameobject.c +++ b/Objects/frameobject.c @@ -458,22 +458,30 @@ _PyFrame_GetState(PyFrameObject *frame) static void add_load_fast_null_checks(PyCodeObject *co) { + int changed = 0; _Py_CODEUNIT *instructions = _PyCode_CODE(co); for (Py_ssize_t i = 0; i < Py_SIZE(co); i++) { switch (_Py_OPCODE(instructions[i])) { case LOAD_FAST: case LOAD_FAST__LOAD_FAST: case LOAD_FAST__LOAD_CONST: + changed = 1; _Py_SET_OPCODE(instructions[i], LOAD_FAST_CHECK); break; case LOAD_CONST__LOAD_FAST: + changed = 1; _Py_SET_OPCODE(instructions[i], LOAD_CONST); break; case STORE_FAST__LOAD_FAST: + changed = 1; _Py_SET_OPCODE(instructions[i], STORE_FAST); break; } } + if (changed) { + // invalidate cached co_code object + Py_CLEAR(co->_co_code); + } } /* Setter for f_lineno - you can set f_lineno from within a trace function in |