Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!cprice
From: cprice@mips.com (Charlie Price)
Newsgroups: comp.sys.mips
Subject: Re: Integer Multiply and Divide Times
Message-ID: <1894@spim.mips.COM>
Date: 4 Apr 91 19:59:24 GMT
References: <7819@polstra.UUCP>
Sender: news@mips.COM
Organization: MIPS Computer Systems, Inc
Lines: 16
Nntp-Posting-Host: lloyd.mips.com

In article <7819@polstra.UUCP> jdp@polstra.UUCP (John Polstra) writes:
>Could somebody give me an idea of the execution times (in cycles) for
>the MULT, MULTU, DIV, and DIVU instructions on the R3000?

The number of cycles required between a MULT, MULTU, DIV, or DIVU
operation and a subsequent MFHI or MFLO operation in order that no
interlock or stall occurs is:

	MULT	MULTU	DIV	DIVU

R2000	12	12	35	35
R3000	12	12	35	35
R6000	17	18	38	37
-- 
Charlie Price    cprice@mips.mips.com        (408) 720-1700
MIPS Computer Systems / 928 Arques Ave.  MS 1-03 / Sunnyvale, CA   94086-23650