8000 gh-131798: JIT: Split CALL_STR_1 into several uops by tomasr8 · Pull Request #132849 · python/cpython · GitHub
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gh-131798: JIT: Split CALL_STR_1 into several uops #132849

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Merged
merged 6 commits into from
Apr 24, 2025
Merged

gh-131798: JIT: Split CALL_STR_1 into several uops #132849

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1866028
Split up CALL_STR_1
tomasr8 Apr 22, 2025
04b236b
Add news entry
tomasr8 Apr 23, 2025
1ccfa7f
More optimizations
tomasr8 Apr 24, 2025
3138c77
Must be const
tomasr8 Apr 24, 2025
0a96b3a
Simplify code
tomasr8 Apr 24, 2025
bf9ff1f
Update test
tomasr8 Apr 24, 2025
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Simplify code
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@tomasr8
tomasr8 committed Apr 24, 2025
commit 0a96b3a14fb8805da18a83584e02f069a2cf84cb
7 changes: 3 additions & 4 deletions Python/optimizer_bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -856,10 +856,9 @@ dummy_func(void) {
}

op(_CALL_STR_1, (unused, unused, arg -- res)) {
if (sym_matches_type(arg, &PyUnicode_Type) && sym_is_const(ctx, arg)) {
// e.g. str('foo') or str(foo) where foo is known to be a string const
PyObject *value = sym_get_const(ctx, arg);
res = sym_new_const(ctx, value);
if (sym_matches_type(arg, &PyUnicode_Type)) {
// e.g. str('foo') or str(foo) where foo is known to be a string
res = arg;
}
else {
res = sym_new_type(ctx, &PyUnicode_Type);
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5 changes: 2 additions & 3 deletions Python/optimizer_cases.c.h
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