diff options
-rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-06-29-22-18-36.gh-issue-91719.3APYYI.rst | 2 | ||||
-rw-r--r-- | Python/ceval.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-06-29-22-18-36.gh-issue-91719.3APYYI.rst b/Misc/NEWS.d/next/Core and Builtins/2022-06-29-22-18-36.gh-issue-91719.3APYYI.rst new file mode 100644 index 0000000..0d085e8 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-06-29-22-18-36.gh-issue-91719.3APYYI.rst @@ -0,0 +1,2 @@ +Reload ``opcode`` when raising ``unknown opcode error`` in the interpreter main loop,
+for C compilers to generate dispatching code independently.
diff --git a/Python/ceval.c b/Python/ceval.c index 946e997..4fcdf9b 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -5706,6 +5706,9 @@ handle_eval_breaker: #else EXTRA_CASES // From opcode.h, a 'case' for each unused opcode #endif + /* Tell C compilers not to hold the opcode variable in the loop. + next_instr points the current instruction without TARGET(). */ + opcode = _Py_OPCODE(*next_instr); fprintf(stderr, "XXX lineno: %d, opcode: %d\n", _PyInterpreterFrame_GetLine(frame), opcode); _PyErr_SetString(tstate, PyExc_SystemError, "unknown opcode"); |