On Thu, 5 Dec 2013 14:54:38 -0800
Joe Perches <j...@perches.com> wrote:
> +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
> + u32 fold = ((*(const u32 *)addr1) ^ (*(const u32 *)addr2)) |
> + ((*(const u16 *)(addr1 + 4)) ^ (*(const u16 *)(addr2 + 4)));
> +
> + return fold == 0;
Why the temporary variable. You can just do:
return ((*(const u32 *)addr1) ^ (*(const u32 *)addr2)) |
((*(const u16 *)(addr1 + 4)) ^ (*(const u16 *)(addr2 + 4))) != 0;
Or
return !!((*(const u32 *)addr1) ^ (*(const u32 *)addr2)) |
((*(const u16 *)(addr1 + 4)) ^ (*(const u16 *)(addr2 + 4))));
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