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Date: Sun, 13 Jan 2002 12:12:20 -0800
From: Andrew Morton <akpm@zip.com.au>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Oliver.Neukum@lrz.uni-muenchen.de, linux-kernel@vger.kernel.org
Subject: Re: ugly warnings with likely/unlikely
In-Reply-To: <16PjOb-0oLbCCC@fwd11.sul.t-online.com> from "Oliver Neukum" at Jan 13, 2002 01:05:13 PM <E16PmEA-0007Ai-00@the-village.bc.nu>
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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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