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[avr-gcc-list] Optimization for easy division


From: Michael Tsao
Subject: [avr-gcc-list] Optimization for easy division
Date: Thu, 11 Jul 2002 16:44:57 -0700

Does avr-libc automatically turn this:

uint8_t a = 8, b = 2, c = 0;
c = a / b; /* slow */

into this:

uint8_t a = 8, b = 2, c = 0;
c = a >> 1; /* fast */

?

Or should I keep hardcoding shifts for speed as I've done much of my programming life?

--
Mike Tsao
http://www.sowbug.com/tqw/


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