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GH-109214: Convert _SAVE_CURRENT_IP to _SET_IP in tier 2 trace creation. (GH-110755)

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Mark Shannon 2023-10-12 10:34:32 +01:00 • committed by GitHub
parent fb7843ee89
commit 19b7ead5eb
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8 changed files with 22 additions and 59 deletions
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12
Python/bytecodes.c
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@ -803,7 +803,6 @@ dummy_func(
}
macro(RETURN_VALUE) =
_SET_IP + // Tier 2 only; special-cased oparg
_SAVE_CURRENT_IP + // Sets frame->prev_instr
_POP_FRAME;
@ -828,7 +827,6 @@ dummy_func(
macro(RETURN_CONST) =
LOAD_CONST +
_SET_IP + // Tier 2 only; special-cased oparg
_SAVE_CURRENT_IP + // Sets frame->prev_instr
_POP_FRAME;
@ -3099,7 +3097,6 @@ dummy_func(
_CHECK_FUNCTION_EXACT_ARGS +
_CHECK_STACK_SPACE +
_INIT_CALL_PY_EXACT_ARGS +
_SET_IP + // Tier 2 only; special-cased oparg
_SAVE_CURRENT_IP + // Sets frame->prev_instr
_PUSH_FRAME;
@ -3109,7 +3106,6 @@ dummy_func(
_CHECK_FUNCTION_EXACT_ARGS +
_CHECK_STACK_SPACE +
_INIT_CALL_PY_EXACT_ARGS +
_SET_IP + // Tier 2 only; special-cased oparg
_SAVE_CURRENT_IP + // Sets frame->prev_instr
_PUSH_FRAME;
@ -3948,17 +3944,13 @@ dummy_func(
}
op(_SET_IP, (--)) {
TIER_TWO_ONLY
frame->prev_instr = ip_offset + oparg;
}
op(_SAVE_CURRENT_IP, (--)) {
#if TIER_ONE
TIER_ONE_ONLY
frame->prev_instr = next_instr - 1;
#endif
#if TIER_TWO
// Relies on a preceding _SET_IP
frame->prev_instr--;
#endif
}
op(_EXIT_TRACE, (--)) {