Path: utzoo!attcan!uunet!husc6!ukma!gatech!amdcad!tim
From: tim@amdcad.AMD.COM (Tim Olson)
Newsgroups: comp.arch
Subject: Re: RISC machines and scoreboarding
Message-ID: <22196@amdcad.AMD.COM>
Date: 23 Jun 88 21:08:44 GMT
References: <1082@nud.UUCP> <22147@amdcad.AMD.COM> <1095@nud.UUCP>
Reply-To: tim@delirun.amd.com (Tim Olson)
Organization: Advanced Micro Devices
Lines: 23
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In article <1095@nud.UUCP> tom@nud.UUCP (Tom Armistead) writes:
| [ Concerning different method of handling stale registers ]
| >value to be written into the register file.  This method has the benefit
| >of integrating closely with the forwarding logic.
| 
|     The scoreboard method can allow register forwarding also.
| -- 
| Just a few more bits in the stream.
| 
| The Sneek

Can you elaborate a bit?  Forwarding requires that you also know which
functional unit(s) to forward from -- don't you need other hardware than
the scoreboard bits for this?

	-- Tim Olson
	Advanced Micro Devices
	(tim@delirun.amd.com)

-- 
	-- Tim Olson
	Advanced Micro Devices
	(tim@delirun.amd.com)