diff options
| -rw-r--r-- | Python/ceval.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index c6e0470..f2d79e7 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -645,9 +645,18 @@ eval_frame(PyFrameObject *f) A successful prediction saves a trip through the eval-loop including its two unpredictable branches, the HASARG test and the switch-case. + + If collecting opcode statistics, turn off prediction so that + statistics are accurately maintained (the predictions bypass + the opcode frequency counter updates). */ +#ifdef DYNAMIC_EXECUTION_PROFILE +#define PREDICT(op) if (0) goto PRED_##op +#else #define PREDICT(op) if (*next_instr == op) goto PRED_##op +#endif + #define PREDICTED(op) PRED_##op: next_instr++ #define PREDICTED_WITH_ARG(op) PRED_##op: oparg = (next_instr[2]<<8) + \ next_instr[1]; next_instr += 3 |