Re: duplicated modulo

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On Fri, 01 Apr 2011 11:41:13 +0200, Nicolas Kaiser wrote:
I'm curious: a duplicated modulo operation can't possibly make
any difference, can it?

diff -u -p ./arch/powerpc/platforms/powermac/nvram.c /tmp/nothing/arch/powerpc/platforms/powermac/nvram.c --- ./arch/powerpc/platforms/powermac/nvram.c 2011-03-31 09:52:41.674292401 +0200
+++ /tmp/nothing/arch/powerpc/platforms/powermac/nvram.c
@@ -246,7 +246,6 @@ static u32 core99_calc_adler(u8 *buffer)
 	high = 0;
 	for (cnt=0; cnt<(NVRAM_SIZE-CORE99_ADLER_START); cnt++) {
 		if ((cnt % 5000) == 0) {
-			high  %= 65521UL;
 			high %= 65521UL;
 		}
 		low += buffer[cnt];

It's not just a module.  It's also an assignment.

--
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michal "mina86" Nazarewicz    (o o)
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