Re: ugly warnings with likely/unlikely

Andrew Morton (akpm@zip.com.au)
Sun, 13 Jan 2002 12:12:20 -0800

Alan Cox wrote:
>
> > if (likely(stru->pointer))
> >
> > results in an ugly warning about using pointer as int.
> > Is there something that could be done against that ?
>
> if (likely(stru->pointer == NULL))
>

-#define likely(x) __builtin_expect((x),1)
-#define unlikely(x) __builtin_expect((x),0)
+#define likely(x) __builtin_expect((x)!=0,1)
+#define unlikely(x) __builtin_expect((x)!=0,0)

?
-
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