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Title: gh-143732: Add tier2 specialization for TO_BOOL by eendebakpt · Pull Request #148271 · python/cpython · GitHub

Open Graph Title: gh-143732: Add tier2 specialization for TO_BOOL by eendebakpt · Pull Request #148271 · python/cpython

X Title: gh-143732: Add tier2 specialization for TO_BOOL by eendebakpt · Pull Request #148271 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: See discussion at #148113. (description updated after refactoring) This PR adds two tier2 opcodes for specialization of TO_BOOL. The *args and **kwargs arguments are marked in tier2 as tuple and di...

X Description: See discussion at #148113. (description updated after refactoring) This PR adds two tier2 opcodes for specialization of TO_BOOL. The *args and **kwargs arguments are marked in tier2 as tuple and di...

Opengraph URL: https://github.com/python/cpython/pull/148271

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Merge branch 'main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/3984a318e2c2e55c2e17884195149a251be8903c
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April 22, 2026 21:52https://github.com/python/cpython/pull/148271#event-24773296851
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April 30, 2026 22:34https://github.com/python/cpython/pull/148271#commits-pushed-578a6e0
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Merge branch 'to_bool_specialization_v2' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/578a6e0143709205d700f8c23e26eb34596aa9c8
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Merge remote-tracking branch 'origin/main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/1e018513de61f003e60e15a5910d7aafb56c405a
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Apr 30, 2026 https://github.com/python/cpython/pull/148271#ref-pullrequest-4205879271
gh-143732: Add specialization for TO_BOOL #148113 https://github.com/python/cpython/pull/148113
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April 30, 2026 23:41https://github.com/python/cpython/pull/148271#commits-pushed-bb35e19
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fix merge conflicts and add recording uophttps://github.com/python/cpython/pull/148271/commits/bb35e19b6bcdaf04406a8b47e033ffda02a50a43
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Merge remote-tracking branch 'origin/main' into to_bool_specializatio…https://github.com/python/cpython/pull/148271/commits/ee0325cffa16de15ce455932d7053ea5f2830a21
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Restore test_opt.py from origin/main, re-applying TO_BOOL testshttps://github.com/python/cpython/pull/148271/commits/c7daa032ae801e962f2badb13ae72056e9c4e7f4
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add more tests, remove defensive codehttps://github.com/python/cpython/pull/148271/commits/e9a1e9a419db97a7e70deb6fc6a7df68f37d5d9b
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May 1, 2026 11:38https://github.com/python/cpython/pull/148271#commits-pushed-c64d69d
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Merge remote-tracking branch 'origin/main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/c64d69df8bc6cefe977c76948c7d595ae533a9be
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Merge branch 'main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/06247eb0e7ea4c6c33f2c96f2fde18a80855de67
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Merge branch 'main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/a30ca62543bbf9b4c193d6d702285593549bad5e
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Merge branch 'main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/fa17d1d0452cee8efb5cd5e2f85dd39415beec67
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May 3, 2026 https://github.com/python/cpython/pull/148271#ref-issue-4372954630
JIT can trigger assert(uop_buffer_remaining_space(trace) > space_needed); for widened uops #149335 https://github.com/python/cpython/issues/149335
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May 18, 2026 https://github.com/python/cpython/pull/148271#pullrequestreview-4307832510
View reviewed changes https://github.com/python/cpython/pull/148271/files/fa17d1d0452cee8efb5cd5e2f85dd39415beec67
Python/optimizer_bytecodes.chttps://github.com/python/cpython/pull/148271/files/fa17d1d0452cee8efb5cd5e2f85dd39415beec67#diff-e5bd2b14b0b10f0f47786e26306d689ed1361c3dc3b11dcc3ea52b8a2422ff64
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May 18, 2026 09:34https://github.com/python/cpython/pull/148271#commits-pushed-cd540b8
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Merge branch 'main' into pr-148271https://github.com/python/cpython/pull/148271/commits/cd540b87d6e0a23d31349686c03d0dcfd3c06cad
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add frozendicthttps://github.com/python/cpython/pull/148271/commits/729ecc99ffd742a45ef687816f342eb57bc60d7b
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Merge branch 'main' into to_bool_specializationhttps://github.com/python/cpython/pull/148271/commits/5d3090ad0670ec9a89226e5fbc882b9414d86c1d
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Lib/test/test_capi/test_opt.pyhttps://github.com/python/cpython/pull/148271/files/5d3090ad0670ec9a89226e5fbc882b9414d86c1d#diff-67b5bd915e37f77df79907865982648172c27d3b96fbb072b30a73c6a2735439
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refactor testshttps://github.com/python/cpython/pull/148271/commits/43c54d4a1006eb4f69b99b32bade7d162ee4a623
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