Messages in this thread | | | Date | Mon, 16 Oct 2000 15:05:00 -0500 | From | Bill Wendling <> | Subject | Re: Patch to remove undefined C code |
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Also sprach Abramo Bagnara: } } Isn't this more efficient? } n = (x>>32) | (x<<32); } n = ((n & 0x0000ffff0000ffffLL)<<16) | (n & 0xffff0000ffff0000LL)>>16; } n = ((n & 0x00ff00ff00ff00ffLL)<<8) | (n & 0xff00ff00ff00ff00LL)>>8; } } 6 shift } 4 and } 3 or } Plus 3 assigns...but they may get optimized out. :)
} instead of } } 8 shift } 8 and } 7 or }
-- || Bill Wendling wendling@ganymede.isdn.uiuc.edu - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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