Newsgroups: comp.arch
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: 16 & 32 bit vs 32 bit only instructions for RISC.
Message-ID: <1988Mar22.202304.3077@utzoo.uucp>
Organization: U of Toronto Zoology
References: <9651@steinmetz.steinmetz.UUCP>
Date: Tue, 22 Mar 88 20:23:04 GMT

> how hard/expensive is it to decode 16 & 32 bit instructions vs 32 bit only?

Of course, if you cache decoded instructions, as some machines do, the
decoding overhead becomes considerably less important.