Path: utzoo!attcan!uunet!husc6!bloom-beacon!tut.cis.ohio-state.edu!mailrus!ames!amdahl!pyramid!prls!mips!keith From: keith@mips.COM (Keith Garrett) Newsgroups: comp.arch Subject: Re: separate integer and float register Message-ID: <2823@obiwan.mips.COM> Date: 17 Aug 88 16:13:29 GMT References: <2724@wright.mips.COM> <6800002@modcomp> Reply-To: keith@obiwan.UUCP (Keith Garrett) Organization: MIPS Computer Systems, Sunnyvale, CA Lines: 13 In article <6800002@modcomp> joe@modcomp.UUCP writes: > >Special floating point registers also slow down context switching, due >to the extra time needed to save/restore them. This can be an important >factor in real-time or communication applications that have high context >switch rates. At MipsCo loads and stores to fp registers take the same amount of time as for integer registers. -- Keith Garrett "This is *MY* opinion, OBVIOUSLY" UUCP: keith@mips.com or {ames,decwrl,prls}!mips!keith USPS: Mips Computer Systems,930 Arques Ave,Sunnyvale,Ca. 94086