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Add support for target details (CPUs and their supported features) #3927

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wants to merge 26 commits into from
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Add support for target details (CPUs and their supported features) #3927

wants to merge 26 commits into from

Commits on Jan 16, 2020

  1. Create initial target details infrastructure

    @layneson
    layneson committed Jan 16, 2020
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  2. Update term feature deps -> subfeatures

    @layneson
    layneson committed Jan 16, 2020
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  3. Add parseArchTag and fix parseArchSub

    @layneson
    layneson committed Jan 16, 2020
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  4. Fix CPU and feature defs

    @layneson
    layneson committed Jan 16, 2020
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  5. Make targets cmd able to list CPUs and features

    @layneson
    layneson committed Jan 16, 2020
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  6. Fix spacing in main.cpp

    @layneson
    layneson committed Jan 16, 2020
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  7. Switch CPU/features to simple format

    @layneson
    layneson committed Jan 16, 2020
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  8. Remove llvm_name from features

    @layneson
    layneson committed Jan 16, 2020
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  9. Add cpu/feature specification to cmndline

    @layneson
    layneson committed Jan 16, 2020
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  10. Add cpu/feature to cache hash

    @layneson
    layneson committed Jan 16, 2020
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  11. Add build.zig cpu and feature options

    @layneson
    layneson committed Jan 16, 2020
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  12. Filter out non-features

    @layneson
    layneson committed Jan 16, 2020
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  13. Rename subfeatures -> dependencies

    @layneson
    layneson committed Jan 16, 2020
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  14. Add llvm_name to feature defs

    @layneson
    layneson committed Jan 16, 2020
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  15. Add TargetDetails abstraction

    @layneson
    layneson committed Jan 16, 2020
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  16. Add builtin.zig support

    @layneson
    layneson committed Jan 16, 2020
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  17. Add defaut feature support

    @layneson
    layneson committed Jan 16, 2020
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  18. Make sure llvm strings are null-terminated

    @layneson
    layneson committed Jan 16, 2020
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  19. Only enable requested features

    @layneson
    layneson committed Jan 16, 2020
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  20. No allocations for n.t. empty strings

    @layneson
    layneson committed Jan 16, 2020
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Commits on Jan 17, 2020

  1. Remove features/cpus not in LLVM v9

    @layneson
    layneson committed Jan 17, 2020
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  2. Enable 64bit feature for riscv64

    @layneson
    layneson committed Jan 17, 2020
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  3. Fix sentinel mismatch in llvm strings 

    Previously, buffers were used with toOwnedSlice() to create c strings
for LLVM cpu/feature strings. However, toOwnedSlice() shrinks the
string memory to the buffer's length, which cuts off the null terminator.
Now toSliceConst() is used instead, and the buffer is not deinited
so that the string memory is not freed.
    @layneson
    layneson committed Jan 17, 2020
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  4. Pass target details to c compiler

    @layneson
    layneson committed Jan 17, 2020
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  5. Allow target details with no LLVM support

    @layneson
    layneson committed Jan 17, 2020
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  6. Pass target_details to child CodeGens

    @layneson
    layneson committed Jan 17, 2020
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