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Path: sserve!manuel!munnari.oz.au!news.hawaii.edu!ames!elroy.jpl.nasa.gov!swrinde!news.dell.com!james From: james@raid.dell.com (James Van Artsdalen) Newsgroups: comp.unix.bsd Subject: Re: 386BSD: Anyone using gcc-2.x on 0.1? Message-ID: <1992Jul30.174031.26600@raid.dell.com> Date: 30 Jul 92 17:40:31 GMT References: <1992Jul29.155631.21213@thyme.jpl.nasa.gov> Reply-To: james@raid.cactus.org (James Van Artsdalen) Organization: Dell Computer Co Lines: 27 In <1992Jul29.155631.21213@thyme.jpl.nasa.gov>, kaleb@thyme.jpl.nasa.gov (Kaleb Keithley) wrote: > I'm highly interested in moving to the latest version of gcc-2.x, > (currently 2.2.2) because: > a) I'd like to take advantage of it's ability to emit 486 specific > code (instruction scheduling, primarily) gcc 2 does no insn scheduling for the 386 / 486. With -m486, it chooses slightly different instruction sequences, and aggressively aligns loops on cache line boundaries. > b) Its ability to emit PIC (Position Independent Code) seems to be > a pre-requisite for shared libraries. The PIC scheme it uses is intended for SysVr4, which I am told is similar to the SunOS scheme. > Has anyone else "bootstrapped" up to 2.2.2 yet? Has anyone who > has, rebuilt the kernel with it yet? Compiling machdep.o with gcc2 causes the kernel to crash during bootstrapping for some reason. I hope to look into it this weekend. -- -- James R. Van Artsdalen james@bigtex.cactus.org "Live Free or Die" Dell Computer Co 9505 Arboretum Blvd Austin TX 78759 512-338-8789