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Newsgroups: comp.arch, comp.lang.c
From: j...@panix.com (Joe keane)
Date: Wed, 25 Apr 2012 20:08:32 +0000 (UTC)
Local: Wed, Apr 25 2012 4:08 pm
Subject: Re: ffs16
In article <9kmj69-hhi2....@ntp6.tmsw.no>,
Terje Mathisen <"terje.mathisen at tmsw.no"> wrote: >This is sort of the same as the scan for first/last set bit: You might That's the problem. I don't see how to write it so the compiler will
>very well have hw opcodes to do this efficiently, and the compiler might >be capable of generating it if you use the proper idiom? say 'oh he's trying to do a FFS' and spit out appropriate code. You must Sign in before you can post messages.
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