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GH-105229: Replace some superinstructions with single instruction equivalent. (GH-105230)

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Mark Shannon 2023-06-05 11:07:04 +01:00 • committed by GitHub
parent e8ecb9ee6b
commit 0689340366
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17 changed files with 731 additions and 686 deletions
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32
Python/bytecodes.c
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@ -201,6 +201,15 @@ dummy_func(
GETLOCAL(oparg) = NULL;
}
inst(LOAD_FAST_LOAD_FAST, ( -- value1, value2)) {
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
value1 = GETLOCAL(oparg1);
value2 = GETLOCAL(oparg2);
Py_INCREF(value1);
Py_INCREF(value2);
}
inst(LOAD_CONST, (-- value)) {
value = GETITEM(frame->f_code->co_consts, oparg);
Py_INCREF(value);
@ -210,10 +219,22 @@ dummy_func(
SETLOCAL(oparg, value);
}
super(LOAD_FAST__LOAD_FAST) = LOAD_FAST + LOAD_FAST;
inst(STORE_FAST_LOAD_FAST, (value1 -- value2)) {
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
SETLOCAL(oparg1, value1);
value2 = GETLOCAL(oparg2);
Py_INCREF(value2);
}
inst(STORE_FAST_STORE_FAST, (value2, value1 --)) {
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
SETLOCAL(oparg1, value1);
SETLOCAL(oparg2, value2);
}
super(LOAD_FAST__LOAD_CONST) = LOAD_FAST + LOAD_CONST;
super(STORE_FAST__LOAD_FAST) = STORE_FAST + LOAD_FAST;
super(STORE_FAST__STORE_FAST) = STORE_FAST + STORE_FAST;
super(LOAD_CONST__LOAD_FAST) = LOAD_CONST + LOAD_FAST;
inst(POP_TOP, (value --)) {
@ -386,8 +407,7 @@ dummy_func(
// At the end we just skip over the STORE_FAST.
op(_BINARY_OP_INPLACE_ADD_UNICODE, (left, right --)) {
_Py_CODEUNIT true_next = next_instr[INLINE_CACHE_ENTRIES_BINARY_OP];
assert(true_next.op.code == STORE_FAST ||
true_next.op.code == STORE_FAST__LOAD_FAST);
assert(true_next.op.code == STORE_FAST);
PyObject **target_local = &GETLOCAL(true_next.op.arg);
DEOPT_IF(*target_local != left, BINARY_OP);
STAT_INC(BINARY_OP, hit);
@ -3484,5 +3504,3 @@ dummy_func(
}
// Future families go below this point //
family(store_fast) = { STORE_FAST, STORE_FAST__LOAD_FAST, STORE_FAST__STORE_FAST };