Re: [patch 1/13] Qsort

[Richard Henderson]

On Sat, Jan 22, 2005 at 01:00:24PM -0800, vlobanov wrote:
> #define SWAP(a, b, size)			\
>     do {					\
> 	register size_t __size = (size);	\
> 	register char * __a = (a), * __b = (b);	\
> 	do {					\
> 	    *__a ^= *__b;			\
> 	    *__b ^= *__a;			\
> 	    *__a ^= *__b;			\
> 	    __a++;				\
> 	    __b++;				\
> 	} while ((--__size) > 0);		\
>     } while (0)
> 
> What do you think? :)

I think you'll confuse the compiler and get worse results.


r~
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