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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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11
Python/optimizer_cases.c.h generated
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@ -126,6 +126,12 @@
break;
}
case _POP_ITER: {
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
break;
}
case _END_SEND: {
JitOptSymbol *val;
val = sym_new_not_null(ctx);
@ -1557,8 +1563,13 @@
case _GET_ITER: {
JitOptSymbol *iter;
JitOptSymbol *index_or_null;
iter = sym_new_not_null(ctx);
index_or_null = sym_new_not_null(ctx);
stack_pointer[-1] = iter;
stack_pointer[0] = index_or_null;
stack_pointer += 1;
assert(WITHIN_STACK_BOUNDS());
break;
}