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gh-91719: Reload opcode on unknown error so that C can optimize the dispatching in ceval.c #94364

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Merged
gvanrossum merged 9 commits into from
Jun 30, 2022
Merged

gh-91719: Reload opcode on unknown error so that C can optimize the dispatching in ceval.c #94364

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f6833ca
Load opcode via next_instr
neonene Jun 28, 2022
70a1a9f
Comment
neonene Jun 28, 2022
a4c9722
Do the opcode reloading always, not just on Windows.
gvanrossum Jun 29, 2022
ba84e68
📜🤖 Added by blurb_it.
blurb-it[bot] Jun 29, 2022
fa090e5
fix NEWS
neonene Jun 29, 2022
3ba3bf2
update NEWS
neonene Jun 30, 2022
a341d5e
update comment
neonene Jun 30, 2022
db0a6b3
Change NEWS to mention non-MSVC
neonene Jun 30, 2022
0ce3859
make comment generic
neonene Jun 30, 2022
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2 changes: 2 additions & 0 deletions Python/ceval.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5705,6 +5705,8 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
_unknown_opcode:
#else
EXTRA_CASES // From opcode.h, a 'case' for each unused opcode
/* Load opcode for MSVC to optimize switch(opcode) separately */
opcode = _Py_OPCODE(*next_instr);
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#endif
fprintf(stderr, "XXX lineno: %d, opcode: %d\n",
_PyInterpreterFrame_GetLine(frame), opcode);
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