Thread View: comp.lang.asm370
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Started by Kevin Hardman -- Personal Accoun...
Thu, 13 Aug 1992 04:28
Re: ICM vs. L and LTR
Author: Kevin Hardman -- Personal Accoun...
Date: Thu, 13 Aug 1992 04:28
Date: Thu, 13 Aug 1992 04:28
22 lines
1391 bytes
1391 bytes
>> L Rx,AREA >> LTR Rx,Rx >> BNZ SOMEWHERE >>and I was wondering if >> ICM Rx,15,AREA >> BNZ SOMEWHERE > >>would be faster? It looks to me like the two code segments Sorry, I can't supply references, but I read an article recently that discussed the very issue and several related myths. According to the article the L, LTR was actually faster in older (much older) machines, but in since like the 370/168 the ICM is actually faster. If it's really important I could see if I could dig up the article. --Kevin +=====================================+=====================================+ | B. Kevin Hardman | Internet: hard@rock.concert.net | +-------------------------------------+-------------------------------------+ | No Affiliations, No Disclaimers, No Apologies |
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