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GH-128914: Remove conditional stack effects from bytecodes.c and the code generators (GH-128918)

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Mark Shannon 2025-01-20 17:09:23 +00:00 • committed by GitHub
parent 0a6412f9cc
commit ab61d3f430
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44 changed files with 1460 additions and 1679 deletions
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19
Objects/frameobject.c
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@ -1261,27 +1261,18 @@ mark_stacks(PyCodeObject *code_obj, int len)
stacks[next_i] = next_stack;
break;
case LOAD_GLOBAL:
{
int j = oparg;
next_stack = push_value(next_stack, Object);
if (j & 1) {
next_stack = push_value(next_stack, Null);
}
stacks[next_i] = next_stack;
break;
}
case LOAD_ATTR:
{
assert(top_of_stack(next_stack) == Object);
int j = oparg;
if (j & 1) {
next_stack = pop_value(next_stack);
next_stack = push_value(next_stack, Object);
next_stack = push_value(next_stack, Null);
}
stacks[next_i] = next_stack;
break;
}
case LOAD_METHOD:
assert(top_of_stack(next_stack) == Object);
next_stack = push_value(next_stack, Null);
stacks[next_i] = next_stack;
break;
case SWAP:
{
int n = oparg;