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| author | Sam Gross <colesbury@gmail.com> | 2025-01-23 09:26:25 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-01-23 09:26:25 (GMT) |
| commit | a10f99375e7912df863cf101a38e9703cfcd72f1 (patch) | |
| tree | 7909c7896fe256427c1149d2416fb7912ad3ba48 /Tools/cases_generator/optimizer_generator.py | |
| parent | d7d066c3ab6842117f9e0fb1c9dde4bce00fa1e3 (diff) | |
| download | cpython-a10f99375e7912df863cf101a38e9703cfcd72f1.zip cpython-a10f99375e7912df863cf101a38e9703cfcd72f1.tar.gz cpython-a10f99375e7912df863cf101a38e9703cfcd72f1.tar.bz2 | |
Revert "GH-128914: Remove conditional stack effects from `bytecodes.c` and the code generators (GH-128918)" (GH-129202)
The commit introduced a ~2.5-3% regression in the free threading build.
This reverts commit ab61d3f4303d14a413bc9ae6557c730ffdf7579e.
Diffstat (limited to 'Tools/cases_generator/optimizer_generator.py')
| -rw-r--r-- | Tools/cases_generator/optimizer_generator.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Tools/cases_generator/optimizer_generator.py b/Tools/cases_generator/optimizer_generator.py index 7ebeff7..5cfec4b 100644 --- a/Tools/cases_generator/optimizer_generator.py +++ b/Tools/cases_generator/optimizer_generator.py @@ -48,13 +48,19 @@ def declare_variables(uop: Uop, out: CWriter, skip_inputs: bool) -> None: for var in reversed(uop.stack.inputs): if var.used and var.name not in variables: variables.add(var.name) - out.emit(f"{type_name(var)}{var.name};\n") + if var.condition: + out.emit(f"{type_name(var)}{var.name} = NULL;\n") + else: + out.emit(f"{type_name(var)}{var.name};\n") for var in uop.stack.outputs: if var.peek: continue if var.name not in variables: variables.add(var.name) - out.emit(f"{type_name(var)}{var.name};\n") + if var.condition: + out.emit(f"{type_name(var)}{var.name} = NULL;\n") + else: + out.emit(f"{type_name(var)}{var.name};\n") def decref_inputs( |