Re: [Qemu-devel] [PATCH] decodetree: Fix comparison of Field

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 6/4/19 5:42 PM, Richard Henderson wrote:
> Typo comparing the sign of the field, twice, instead of also comparing
> the mask of the field (which itself encodes both position and length).
> 
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  scripts/decodetree.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/decodetree.py b/scripts/decodetree.py
> index 81874e22cc..d7a59d63ac 100755
> --- a/scripts/decodetree.py
> +++ b/scripts/decodetree.py
> @@ -184,7 +184,7 @@ class Field:
>          return '{0}(insn, {1}, {2})'.format(extr, self.pos, self.len)
>  
>      def __eq__(self, other):
> -        return self.sign == other.sign and self.sign == other.sign
> +        return self.sign == other.sign and self.mask == other.mask

Argh

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

>  
>      def __ne__(self, other):
>          return not self.__eq__(other)
>