Re: [gnugo-devel] gnugo-3.8 bug report

[Gunnar Farnebäck]

Just turn off the warning or ignore it? This is clearly a false 
positive. Even the variable name indicates that xor is intended.

/Gunnar

On 9/7/22 17:32, David Binderman wrote:
> Hello there,
>
> Gcc has recently been extended with the warning for xor
> used as pow. So:
>
> 1.
>
> mkpat.c:1939:51: warning: result of '2^2' is 0; did you mean '1 << 2' (4)? 
> [-Wxor-used-as-pow]
>
> Source code is
>
>       int xor_att = (el[k].color == color ? ATT_O ^ ATT_O : ATT_O ^ ATT_X);
>
> I assume you meant
>
>       int xor_att = (el[k].color == color) ? (ATT_O ^ ATT_O) : (ATT_O ^ ATT_X);
>
> 2.
>
> mkpat.c:2005:55: warning: result of '2^1' is 3; did you mean '1 << 1' (2)? 
> [-Wxor-used-as-pow]
>
> Duplicate.
>
> Regards
>
> David Binderman
>
>
>
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