Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!tut.cis.ohio-state.edu!purdue!bu-cs!husc6!endor!siegel From: siegel@endor.harvard.edu (Rich Siegel) Newsgroups: comp.sys.mac Subject: Re: Think C4 68881/2 concurrency optimization??? Message-ID: <3451@husc6.harvard.edu> Date: 19 Dec 89 15:02:39 GMT References: <8912181511.AA12614@cscwam.umd.edu> Sender: news@husc6.harvard.edu Reply-To: siegel@endor.UUCP (Rich Siegel) Distribution: usa Organization: Symantec Language Products Group Lines: 27 In article <8912181511.AA12614@cscwam.umd.edu> rick@wam.umd.edu (Frederick E. Brown) writes: >Hi! Does anyone know how well Think C 4.0 optimizes 68881/2 instructions for >concurrency? If the compiler does a pretty good job then I won't need to >waste my time hand coding fpu instructions in assembly. It doesn't. In fact, no Mac-based compiler that I know of optimizes the 68882 instructions for concurrency. (The 68882 is the only one of the two chips that supports instruction concurrency.) R. ~~~~~~~~~~~~~~~ Rich Siegel Staff Software Developer Symantec Corporation, Language Products Group Internet: siegel@endor.harvard.edu UUCP: ..harvard!endor!siegel "When someone who makes four hundred and fifty dollars an hour wants to tell you something for free, it's a good idea to listen." ~~~~~~~~~~~~~~~