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[RISCV] Support __riscv_v_fixed_vlen for vbool types. #76551

Merged
merged 3 commits into from
Jan 25, 2024
Merged

[RISCV] Support __riscv_v_fixed_vlen for vbool types. #76551

merged 3 commits into from
Jan 25, 2024

Commits on Dec 29, 2023

  1. [RISCV] Support __riscv_v_fixed_vlen for vbool types. 

    This adopts a similar behavior to AArch64 SVE, where bool vectors
are represented as a vector of chars with 1/8 the number of elements.
This ensures the vector always occupies a power of 2 number of bytes.

A consequence of this is that vbool64_t, vbool32_t, and vool16_t
can only be used with a vector length that guarantees at least 8 bits.
    @topperc
    topperc committed Dec 29, 2023
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  2. fixup! clang-format

    @topperc
    topperc committed Dec 29, 2023
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Commits on Jan 15, 2024

  1. fixup! update release notes.

    @topperc
    topperc committed Jan 15, 2024
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