Re: [PATCH] riscv/atomic: Do proper sign extension also for unsigned in arch_cmpxchg

[Andreas Schwab]

On Jan 30 2025, Alexandre Ghiti wrote:

> a2 is used as it is passed by the calling function, so we can't be sure a2
> is sign extended to me, what am I missing?

32-bit scalar arguments are guaranteed to be sign extended on entry.

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Andreas Schwab, SUSE Labs, schwab@xxxxxxx
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