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`NOT_TAKEN` instructions need to be added after optimization · Issue #128533 · python/cpython · GitHub

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NOT_TAKEN instructions need to be added after optimization #128533

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NOT_TAKEN instructions need to be added after optimization#128533
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interpreter-core(Objects, Python, Grammar, and Parser dirs)type-featureA feature request or enhancement

Description

markshannon
opened on Jan 6, 2025

The NOT_TAKEN instruction is added during code gen, but can be left when jumps are removed by the optimizer.

We should probably add the NOT_TAKEN instructions in the assembler after optimization, as suggested in #122564 (comment)

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  1. picnixz
    added
    type-featureA feature request or enhancement
    interpreter-core(Objects, Python, Grammar, and Parser dirs)
    on Jan 6, 2025
  2. markshannon
    changed the title [-]`NOT_TAKEN` instructions need to added after optimization[/-] [+]`NOT_TAKEN` instructions need to be added after optimization[/+] on Jan 6, 2025
  3. markshannon
    added a commit that references this issue on Jan 6, 2025

    GH-128533: Add `NOT_TAKEN` instruction after bytecode optimization. (G…

    2434fd2
  4. markshannon
    closed this as completedon Jan 7, 2025
  5. srinivasreddy
    added a commit that references this issue on Jan 8, 2025

    pythonGH-128533: Add `NOT_TAKEN` instruction after bytecode optimizat…

    c48285e
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