8000 gh-104909: Implement conditional stack effects for macros by gvanrossum · Pull Request #105748 · python/cpython · GitHub
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gh-104909: Implement conditional stack effects for macros #105748

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Merged
merged 14 commits into from
Jun 14, 2023
Merged

gh-104909: Implement conditional stack effects for macros #105748

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4291adf
Fix types and bug for pseudos
gvanrossum Jun 12, 2023
eee069c
Example: macrofy _LOAD_GLOBAL_BUILTIN
gvanrossum Jun 13, 2023
3bb5557
Fix conditional stack output effect metadata
gvanrossum Jun 13, 2023
035d13b
Attempt adding conditionals to mac.stack
gvanrossum Jun 13, 2023
c4b88a9
Fix macros with conditional output effect
gvanrossum Jun 13, 2023
457e501
Revert "Example: macrofy _LOAD_GLOBAL_BUILTIN"
gvanrossum Jun 13, 2023
dec34ef
Regenerate after reverting example
gvanrossum Jun 13, 2023
b82c4b8
Merge remote-tracking branch 'origin/main' into cond-effect-2
gvanrossum Jun 13, 2023
63e498e
Rename unconditional to init_null (with reverted sense)
gvanrossum Jun 13, 2023
f9e11e0
Add test; fix stack effect bug
gvanrossum Jun 14, 2023
958e9f1
Merge branch 'main' into cond-effect-2
gvanrossum Jun 14, 2023
fb905d7
Make the test more thorough
gvanrossum Jun 14, 2023
846a161
Better way to solve the 'init_null' problem
gvanrossum Jun 14, 2023
3551576
Merge branch 'main' into cond-effect-2
gvanrossum Jun 14, 2023
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Make the test more thorough
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@gvanrossum
gvanrossum committed Jun 14, 2023
commit fb905d7fb36a862f1c329dc73e3d861f5a033c7e
11 changes: 8 additions & 3 deletions Tools/cases_generator/test_generator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -435,10 +435,10 @@ def test_cond_effect():

def test_macro_cond_effect():
input = """
op(A, (left, right --)) {
op(A, (left, middle, right --)) {
# Body of A
}
op(B, (-- extra if (oparg), res)) {
op(B, (-- deep, extra if (oparg), res)) {
# Body of B
}
macro(M) = A + B;
Expand All @@ -447,22 +447,27 @@ def test_macro_cond_effect():
TARGET(M) {
PyObject *_tmp_1 = stack_pointer[-1];
PyObject *_tmp_2 = stack_pointer[-2];
PyObject *_tmp_3 = stack_pointer[-3];
{
PyObject *right = _tmp_1;
PyObject *left = _tmp_2;
PyObject *middle = _tmp_2;
PyObject *left = _tmp_3;
# Body of A
}
{
PyObject *deep;
PyObject *extra = NULL;
PyObject *res;
# Body of B
_tmp_3 = deep;
if (oparg) { _tmp_2 = extra; }
_tmp_1 = res;
}
STACK_SHRINK(1);
STACK_GROW((oparg ? 1 : 0));
stack_pointer[-1] = _tmp_1;
if (oparg) { stack_pointer[-2] = _tmp_2; }
stack_pointer[-3] = _tmp_3;
DISPATCH();
}
"""
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