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GH-117062: Make _JUMP_TO_TOP a general absolute jump (GH-120854)

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Brandt Bucher 2024-06-24 08:35:10 -07:00 • committed by GitHub
parent ce1064e4c9
commit a47abdb45d
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5 changed files with 7 additions and 12 deletions
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4
Python/bytecodes.c
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@ -4149,9 +4149,7 @@ dummy_func(
}
op(_JUMP_TO_TOP, (--)) {
#ifndef _Py_JIT
next_uop = &current_executor->trace[1];
#endif
JUMP_TO_JUMP_TARGET();
}
tier2 op(_SET_IP, (instr_ptr/4 --)) {

4
Python/executor_cases.c.h generated
View file

@ -4302,9 +4302,7 @@
}
case _JUMP_TO_TOP: {
#ifndef _Py_JIT
next_uop = &current_executor->trace[1];
#endif
JUMP_TO_JUMP_TARGET();
break;
}

5
Python/optimizer.c
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@ -1059,6 +1059,11 @@ prepare_for_execution(_PyUOpInstruction *buffer, int length)
buffer[i].jump_target = 0;
}
}
if (opcode == _JUMP_TO_TOP) {
assert(buffer[0].opcode == _START_EXECUTOR);
buffer[i].format = UOP_FORMAT_JUMP;
buffer[i].jump_target = 1;
}
}
return next_spare;
}