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| author | Brandt Bucher <brandt@python.org> | 2022-02-03 10:14:44 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-03 10:14:44 (GMT) |
| commit | e0433c1e70254d4d0357a9e14596929a04bdf769 (patch) | |
| tree | e265580fff66d3ea4248b274e52cc23dd1644fbf | |
| parent | b4bd1e1422997de61faf506b4916e83013bc7d21 (diff) | |
| download | cpython-e0433c1e70254d4d0357a9e14596929a04bdf769.zip cpython-e0433c1e70254d4d0357a9e14596929a04bdf769.tar.gz cpython-e0433c1e70254d4d0357a9e14596929a04bdf769.tar.bz2 | |
bpo-45773: Remove invalid peephole optimizations (GH-31066)
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-02-01-14-30-56.bpo-45773.Up77LD.rst | 1 | ||||
| -rw-r--r-- | Python/compile.c | 2 |
2 files changed, 1 insertions, 2 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-02-01-14-30-56.bpo-45773.Up77LD.rst b/Misc/NEWS.d/next/Core and Builtins/2022-02-01-14-30-56.bpo-45773.Up77LD.rst new file mode 100644 index 0000000..45da511 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-02-01-14-30-56.bpo-45773.Up77LD.rst @@ -0,0 +1 @@ +Remove two invalid "peephole" optimizations from the bytecode compiler. diff --git a/Python/compile.c b/Python/compile.c index 1d2d567..cecd6a5 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -8757,7 +8757,6 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts) switch (target->i_opcode) { case JUMP_ABSOLUTE: case JUMP_FORWARD: - case JUMP_IF_FALSE_OR_POP: i -= jump_thread(inst, target, POP_JUMP_IF_FALSE); } break; @@ -8765,7 +8764,6 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts) switch (target->i_opcode) { case JUMP_ABSOLUTE: case JUMP_FORWARD: - case JUMP_IF_TRUE_OR_POP: i -= jump_thread(inst, target, POP_JUMP_IF_TRUE); } break; |