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GH-132554: "Virtual" iterators (GH-132555)

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* FOR_ITER now pushes either the iterator and NULL or leaves the iterable and pushes tagged zero

* NEXT_ITER uses the tagged int as the index into the sequence or, if TOS is NULL, iterates as before.
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Mark Shannon 2025-05-27 15:59:45 +01:00 • committed by GitHub
parent 9300a596d3
commit f6f4e8a662
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25 changed files with 713 additions and 618 deletions
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4
Python/optimizer_bytecodes.c
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@ -840,7 +840,7 @@ dummy_func(void) {
value = sym_new_unknown(ctx);
}
op(_FOR_ITER_GEN_FRAME, (unused -- unused, gen_frame: _Py_UOpsAbstractFrame*)) {
op(_FOR_ITER_GEN_FRAME, (unused, unused -- unused, unused, gen_frame: _Py_UOpsAbstractFrame*)) {
gen_frame = NULL;
/* We are about to hit the end of the trace */
ctx->done = true;
@ -914,7 +914,7 @@ dummy_func(void) {
}
}
op(_ITER_NEXT_RANGE, (iter -- iter, next)) {
op(_ITER_NEXT_RANGE, (iter, null_or_index -- iter, null_or_index, next)) {
next = sym_new_type(ctx, &PyLong_Type);
}