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GH-113710: Improve _SET_IP and _CHECK_VALIDITY (GH-115248)

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Mark Shannon 2024-02-13 16:28:19 +00:00 • committed by GitHub
parent de07941729
commit 681778c56a
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7 changed files with 79 additions and 35 deletions
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Python/optimizer.c
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@ -432,9 +432,8 @@ translate_bytecode_to_trace(
top: // Jump here after _PUSH_FRAME or likely branches
for (;;) {
target = INSTR_IP(instr, code);
RESERVE_RAW(3, "epilogue"); // Always need space for _SET_IP, _CHECK_VALIDITY and _EXIT_TRACE
ADD_TO_TRACE(_SET_IP, target, 0, target);
ADD_TO_TRACE(_CHECK_VALIDITY, 0, 0, target);
RESERVE_RAW(2, "epilogue"); // Always need space for _SET_IP, _CHECK_VALIDITY and _EXIT_TRACE
ADD_TO_TRACE(_CHECK_VALIDITY_AND_SET_IP, 0, (uintptr_t)instr, target);
uint32_t opcode = instr->op.code;
uint32_t oparg = instr->op.arg;