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gh-116760: Fix pystats for trace attempts (GH-116761)

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There are now at least two bytecodes that may attempt to optimize,
JUMP_BACK, and more recently, COLD_EXIT.

Only the JUMP_BACK was counting the attempt in the stats.
This moves that counter to uop_optimize itself so it should
always happen no matter where it is called from.
This commit is contained in:
Michael Droettboom 2024-03-13 18:13:33 -04:00 • committed by GitHub
parent 8c6db45ce3
commit cef0ec1a3c
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3 changed files with 1 additions and 2 deletions
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Python/bytecodes.c
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@ -2349,7 +2349,6 @@ dummy_func(
// Use '>=' not '>' so that the optimizer/backoff bits do not effect the result.
// Double-check that the opcode isn't instrumented or something:
if (offset_counter >= threshold && this_instr->op.code == JUMP_BACKWARD) {
OPT_STAT_INC(attempts);
_Py_CODEUNIT *start = this_instr;
/* Back up over EXTENDED_ARGs so optimizer sees the whole instruction */
while (oparg > 255) {