Re: Mark bitrevX() functions as const

From: Linus Torvalds
Date: Mon Dec 11 2006 - 11:06:26 EST




On Mon, 11 Dec 2006, David Howells wrote:
>
> Mark the bit reversal functions as being const as they always return the same
> output for any given input.

Well, we should mark the argument const too, no?

Does anythign actually improve from this? Also, we should actually use
"__attribute_const__" instead (which works with other compilers), not the
gcc'ism. That "__attribute__((const))" thing is a horrible syntax anyway
(and has apparently slipped into <linux/log2.h> too - Damn.

Linus
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