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morello atomic: Trim gcvalue from the spin loop of arithmetic atomics #2249

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Commits on Nov 15, 2024

  1. morello atomic: Trim gcvalue from the spin loop of arithmetic atomics

    Use a ptraddr_t as the input that can be assigned to the register
    constraint as is done for RISC-V.  This allows the compiler to either
    hoist the gcvalue out of the loop, or to just use the x portion of the
    relevant register.
    bsdjhb committed Nov 15, 2024
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