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GH-109369: Exit tier 2 if executor is invalid (GH-111657)

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Mark Shannon 2023-11-09 11:19:51 +00:00 • committed by GitHub
parent 6046aec377
commit 25c4956488
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11 changed files with 348 additions and 230 deletions
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7
Python/optimizer.c
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@ -472,8 +472,8 @@ translate_bytecode_to_trace(
} \
reserved = (n); // Keep ADD_TO_TRACE / ADD_TO_STUB honest
// Reserve space for main+stub uops, plus 2 for _SET_IP and _EXIT_TRACE
#define RESERVE(main, stub) RESERVE_RAW((main) + (stub) + 2, uop_name(opcode))
// Reserve space for main+stub uops, plus 3 for _SET_IP, _CHECK_VALIDITY and _EXIT_TRACE
#define RESERVE(main, stub) RESERVE_RAW((main) + (stub) + 3, uop_name(opcode))
// Trace stack operations (used by _PUSH_FRAME, _POP_FRAME)
#define TRACE_STACK_PUSH() \
@ -503,8 +503,9 @@ translate_bytecode_to_trace(
top: // Jump here after _PUSH_FRAME or likely branches
for (;;) {
RESERVE_RAW(2, "epilogue"); // Always need space for _SET_IP and _EXIT_TRACE
RESERVE_RAW(3, "epilogue"); // Always need space for _SET_IP, _CHECK_VALIDITY and _EXIT_TRACE
ADD_TO_TRACE(_SET_IP, INSTR_IP(instr, code), 0);
ADD_TO_TRACE(_CHECK_VALIDITY, 0, 0);
uint32_t opcode = instr->op.code;
uint32_t oparg = instr->op.arg;