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Optimize layout of function arguments in the Rust ABI - take 2 #97559

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Optimize layout of function arguments in the Rust ABI - take 2 #97559

wants to merge 12 commits into from

Commits on Jul 5, 2022

  1. Simplify the code of fixup by making it's code flow more natural

    @Urgau
    Urgau committed Jul 5, 2022
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  2. Don't aggregate homogeneous floats in the Rust ABI

    @Urgau
    Urgau committed Jul 5, 2022
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  3. Test that target feature mix up with homogeneous floats is sound 

    This is basically is ripoff of src/test/ui/simd/target-feature-mixup.rs
but for floats and without #[repr(simd)]
    @Urgau
    Urgau committed Jul 5, 2022
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  4. Fix some codegen tests

    @Urgau
    Urgau committed Jul 5, 2022
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  5. Use simpler heuristic for determining if a layout only floats

    @Urgau
    Urgau committed Jul 5, 2022
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  6. Use nbdd0121 suggestion for reducing the perf impact

    @Urgau
    Urgau committed Jul 5, 2022
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  7. Remove undefined unlikely! macro

    @Urgau
    Urgau committed Jul 5, 2022
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  8. Revert "Use nbdd0121 suggestion for reducing the perf impact" 

    This reverts commit 2e0cf271285089316db55b995312712638126245.
    @Urgau
    Urgau committed Jul 5, 2022
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  9. Let LLVM also handle small aggregate

    @Urgau
    Urgau committed Jul 5, 2022
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  10. Revert "Revert "Use nbdd0121 suggestion for reducing the perf impact"" 

    This reverts commit e136c3a9348200c261b9b3c1c50a2f6f6a68b4bd.
    @Urgau
    Urgau committed Jul 5, 2022
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  11. Retry with the homogeneous aggregate concept

    @Urgau
    Urgau committed Jul 5, 2022
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  12. Revert max_by_val_size * 2

    @Urgau
    Urgau committed Jul 5, 2022
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