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GH-91432: Specialize FOR_ITER (GH-91713)

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* Adds FOR_ITER_LIST and FOR_ITER_RANGE specializations.

* Adds _PyLong_AssignValue() internal function to avoid temporary boxing of ints.
This commit is contained in:
Dennis Sweeney 2022-06-21 06:19:26 -04:00 • committed by GitHub
parent c735d54534
commit 5fcfdd87c9
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22 changed files with 447 additions and 282 deletions
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Objects/frameobject.c
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@ -278,7 +278,7 @@ mark_stacks(PyCodeObject *code_obj, int len)
{
int64_t target_stack = pop_value(next_stack);
stacks[i+1] = push_value(next_stack, Object);
j = get_arg(code, i) + i + 1;
j = get_arg(code, i) + 1 + INLINE_CACHE_ENTRIES_FOR_ITER + i;
assert(j < len);
assert(stacks[j] == UNINITIALIZED || stacks[j] == target_stack);
stacks[j] = target_stack;