From: Nicolas Kaiser <nikai@nikai.net>
To: linux-c-programming@vger.kernel.org
Subject: duplicated modulo
Date: Fri, 1 Apr 2011 11:41:13 +0200 [thread overview]
Message-ID: <20110401114113.6e2e91af@absol.kitzblitz> (raw)
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];
Best regards,
Nicolas Kaiser
next reply other threads:[~2011-04-01 9:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-01 9:41 Nicolas Kaiser [this message]
2011-04-01 9:50 ` duplicated modulo Michal Nazarewicz
2011-04-01 10:19 ` Nicolas Kaiser
2011-04-01 9:30 ` Bogdan Cristea
2011-04-01 10:28 ` Bastian Bloessl
2011-04-01 11:20 ` Michal Nazarewicz
2011-04-04 8:26 ` Hendrik Visage
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