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Article #1896Re: Motorola's gcc diffs?
From: Jeff Enderwick
Date: Wed, 23 Dec 1992 23:21
Date: Wed, 23 Dec 1992 23:21
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> >you will find the complete... >This version seems to work all right, but it generates illegal instruction >sequences. I was informed by Motorola that there is a post-optimizer >that is required, and that this code was not made freely available. >Although I was able to hack up a simple peephole optimizer to get rid >of the illegal instructions, the gcc code is very inefficient. >I threw the whole thing away. Perhaps Motorola worked very hard >on their optimizer and it does miraculous things. Perhaps not. This is all news to me. The post-optimizer isn't required, and it isn't based on FSF source. Jeff Enderwick jeff@dsp.sps.mot.com
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Newsgroups: comp.dsp Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!oakhill!oakhill!jeff From: jeff@dsp.sps.mot.com (Jeff Enderwick) Subject: Re: Motorola's gcc diffs? In-Reply-To: moshier@world.std.com's message of Wed, 23 Dec 1992 23:02:38 GMT Message-ID: <JEFF.92Dec23232131@dsp.sps.mot.com> Sender: news@oakhill.sps.mot.com Nntp-Posting-Host: 223.10.249.92 Organization: Motorola DSP Compilers References: <1992Dec21.221938.14602@cheops.qld.tne.oz.au> <ANTSU.92Dec22230440@vega.utu.fi> <BzqIoE.35o@world.std.com> Date: 23 Dec 92 23:21:31 Lines: 14